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Maintenance

64

6.7 Furnace cleaning brush - replacing

CAUTION

C22.0076

Scalding/burns

Hot furnace / combustion tube / analyzer parts



Parts of the analyzer can be very hot.

•

Use heat protecting gloves.

The furnace is equipped with an auto-cleaning system. This mechanism contains a brush, which
cleans the quartz tube (combustion tube).
For replacing the brush during working time, it is advisable to set the power switch to position 1.
If the replacement is done during a long maintenance break, the power switch can be of course
at position 0.

Fig. 36: Furnace cleaning brush-replacing
•

Loosen the cover knobs and remove the cover.

•

Open the furnace.

•

Remove the knurled nuts (1).

•

Unscrew the wing nuts (2).

•

Loosen the nuts (3) and detach the tubes (4).

•

Remove the furnace cleaning system, by lifting up the mounting (5).

•

Hold tight the brush holder (8) and unscrew the heat shield (9), together with its brass
ring.

•

Remove and replace the brush (10).

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Содержание CS-2000

Страница 1: ... Eltra GmbH 42781 Haan Retsch Allee 1 5 Germany 12 05 2017 Version 0001 Manual Carbon and Sulfur Analyzer CS 2000 Translation ...

Страница 2: ...2 Copyright Copyright by Eltra GmbH Retsch Allee 1 5 42781 Haan Germany ...

Страница 3: ...nduction furnace 26 5 2 Analysis example 27 5 2 1 Combustion peak 27 5 2 2 Combustion double peak 27 5 3 Work breaks 28 5 4 Crucibles preheating 28 5 4 1 Operating the pre heating furnace optional 29 5 5 TIC determination optional 30 5 5 1 TIC module 30 5 5 2 TIC analysis 30 5 5 3 TIC module Operation procedure 32 5 6 Applications 33 5 6 1 Induction furnace 33 5 6 2 Resistance furnace 37 5 6 2 1 C...

Страница 4: ...ing 74 6 12 Pedestal removing 74 6 13 Heating elements replacing 75 6 14 Gas leaks checking 76 6 14 1 Leaks in the furnace inlet system 77 6 14 2 Leaks in the furnace 77 6 14 3 Leaks in the furnace outlet system 77 7 Function description 78 7 1 System overview 78 7 2 Measuring principle 78 7 3 Gas flow system 79 7 4 Infrared cell 81 7 5 Furnace 82 7 5 1 Induction furnace 82 7 5 2 Resistance furnac...

Страница 5: ...5 ...

Страница 6: ...tents This technical documentation is meant to be a tutorial and a reference The individual chapters are self contained Knowledge of the relevant chapters for the respective target groups defined according to areas is a prerequisite for the safe and correct use of the device This Operating Manual contains no repair instructions In the event of any faults or necessary repair work please contact you...

Страница 7: ...rsonal injury Source of danger Possible consequences if the dangers are not observed Instructions on how the dangers are to be avoided We also use the following signal word box in the text or in the instructions on action to be taken WARNING Moderate or mild injury may result from not following these safety warnings We give you the following warnings and corresponding content CAUTION Type of dange...

Страница 8: ...Notes on the Manual 8 Instructions on how the dangers are to be avoided We also use the following signal word in the text or in the instructions on action to be taken NOTICE ...

Страница 9: ...e relevant target group for them Operating personnel have access at all times to the technical documentation of this analyzer New personnel are familiarised with the safe and intended use of the analyzer before starting work on it by means of a verbal introduction by a competent person and using this technical documentation Incorrect operation can result in injury and damage to property You are re...

Страница 10: ...2 3 Explanation of signs and symbols Number Symbol Reference Meaning 12 Danger high voltage electric shock 13 IEC 60417 5041 Caution hot surface 14 ISO 7000 0434B General hazards see documentation BGV A8 W27 Risk of crushing ...

Страница 11: ...epending on the application the sample weights accelerator s and settings on the analyzer can significantly influence the accuracy and precision of the measured values Use is only permitted in the laboratory by appropriately trained and briefed personnel All other applications are prohibited in particular the use in non industrial areas 3 4 Conditions for the Installation Site Requirements regardi...

Страница 12: ...l components may be damaged Only connect the device to a power supply system that is consistent with the data on the type plate Fluctuations of the mains supply voltage up to 10 The device must be operated in accordance with overvoltage category II and pollution category 2 DIN EN 61010 1 Industrial environment in accordance with DIN EN 61010 1 ...

Страница 13: ...nect the device only to mains supply matching the values on the type plate Fig 1 Type plate 1 Device designation 2 Serial number 3 Year of manufacture 4 Voltage definition 5 Amps 6 Power 7 Manufacturer s address 8 Item number 9 Mains frequency 10 Protection type 11 Disposal label 12 CE mark Please quote the device designation 1 the serial number 2 of the device and the item number 7 if you have an...

Страница 14: ... suitable clothing Keep the work environment clear of all materials that could catch fire NOTICE Installation of the machine It must be possible to disconnet the machine from the mains at any time Install the machine such that the connection for the mains cable is easily accessible WARNUNG W2 0023 High temperature Burning of the skin Hot combustion tube When the analyzer HTF resistance furnace is ...

Страница 15: ...lyzer s operating environment does not necessarily need to be air conditioned it is advisable to keep the room temperature between 18 C and 30 C Under no conditions should the device be exposed to direct sunshine Avoid places exposed to the wind of air conditioners or to the wind blowing through open windows or doors 4 2 Front panel illustration Fig 3 Induction furnace Front view 2 4 5 6 7 13 12 1...

Страница 16: ...10 Cover attachment knobs 11 Furnace cover 12 H2O trap 13 Compressed air gauge norm 5 bar 14 Dust filter cartridge 15 SO3 trap Fig 4 Resistance furnace Front view 16 Resistance furnace 17 Furnace entrance 18 Platform for combustion boats 19 Temperature display 20 Actual temperature set point switch 21 Set point adjustment 22 Power switch 23 Furnace input flow meter 24 Adjustment for 23 25 Moisture...

Страница 17: ...t is driven immediately Please check this Since the infrared cell requires about 1 hour to reach a stable operation temperature it is advisable to connect the analyzer to the mains power first immediately switch it on before further installation work is carried out This waiting time is only necessary when switching on the analyzer from cold condition It is then normally not switched completely off...

Страница 18: ...r the infrared detectors to have time to stabilize their temperature while cable connections and software start are made NOTICE Never plug the furnace plug 9 into the triple socket on the rear panel of the analyzer 4 4 Data Interface Fig 6 Data interfaces 1 Spare serial interface 2 PC connection serial interface COM port 3 Analog input output signals 4 Digital input output signals 5 Autoloader con...

Страница 19: ...equired tubes are included in the delivery See diagram above One tube for Oxygen supply with 5 meters length and fitting One tube for the compressed air with 5 meters length and fitting One black tube of 0 8 meters length for the resistance furnace inlet One white tube of 0 8 meters length for the resistance furnace outlet The 5m long tubes are delivered with fittings for pressure regulators with ...

Страница 20: ...g of the skin Hot combustion tube When the analyzer HTF resistance furnace is switched on again after switching off the adjusted set point is driven immediately Please check this Depending on the material the necessary temperature of the resistance furnace may be different See chapter Applications resistance furnace The procedure of adjusting the resistance furnace temperature is described below F...

Страница 21: ...N C4 0076 Scalding burns Hot furnace combustion tube analyzer parts Parts of the analyzer can be very hot Use heat protecting gloves Fig 9 the gas purification furnace The tube from the pressure regulator is connected to the lower fitting of the gas purification furnace optional and the tube 1 is connected on its place See above diagram 1 ...

Страница 22: ...nch space is mounted above the area where the balance PC and consumables are normally placed The crucibles positions on the loader are easily accessible to the operator even from sitting position The controlling of the auto loader including sample weight storage and out of sequence samples are performed by the same PC controlling the CS 2000 The PC software also includes all features needed For in...

Страница 23: ...could catch fire CAUTION C5 0093 Hot crucibles A hot crucible can cause injuries or damage to property on contact or if it falls down Adapt the Post waiting time so that the crucible can cool down sufficiently Take care that no flammable materials are situated below the furnace opening Caution C6 0096 Eye injury Hot combustion tube Eye damage Avoid looking directly into the hot combustion tube For...

Страница 24: ...way work can be continued without loss of time If necessary after a sample weight transfer an accelerator can be added With coal samples accelerators are normally not necessary There are samples however that contain hard to burn components In such cases about 500 mg FePO4 is recommended Remark Only the sample weight must be read under no circumstances the weight of the accelerator The combustion b...

Страница 25: ...is the following message appears in the status window of the software Waiting for stability Only after this message disappears and the message Analysis appears in its place the combustion boat can be entered into the furnace Remark The sample weights are in reasonable range when they are appropriate to the sensitivities of the IR cells and to the path IR lengths If not the analysis condition can b...

Страница 26: ... on operating the PC software refer to the Help function of the software The crucible is placed on the pedestal and the analysis is started F5 The furnace closes ANALYSIS appears in the status window of the software indicating that the analysis cycle is running The analysis now runs by itself so that nothing more needs to be done manually The signals from the infrared cells are monitored on the gr...

Страница 27: ...le doesn t contain enough iron or the sample is made of metal powder In this case take 2g tungsten instead of 1 5g If the combustion still provides double peaks or there is yellow dust on the inner surface of the crucible after the analysis take 1g tungsten 500mg pure Iron accelerator and 500mg sample In case of metal analysis the dust trap has to be cleaned and the moisture trap has to be replace...

Страница 28: ...t analysis Air and any moisture which has entered the analyzer are purged by the oxygen flow The minor influence which the oxygen flow has on the temperature of the infrared cell is compensated by the thermostatic control The analyzer is designed for long term use so that no damage results The induction furnace should always be kept closed during work breaks so that no moisture can enter Only the ...

Страница 29: ...ir carbon impurities will be largely eliminated The remaining blank value therefore will be very low and it will remain fairly identical for each crucible This is important for keeping results deviations low 5 4 1 Operating the pre heating furnace optional Fig 16 Operating the pre heating furnace NOTICE Do not move more than 4 crucibles at a time into the furnace Otherwise the combustion tube may ...

Страница 30: ... module for Total Inorganic Carbon TIC can be placed between the resistance furnace and the analyzer For the TIC determination the sample is treated with acid in the TIC module TIC and Total Carbon TC can be alternatively analyzed without the necessity of modifying the analyzer 5 5 2 TIC analysis The sample is treated with acid in an Erlenmeyer flask inside the TIC module The acid decomposes the c...

Страница 31: ...k 7 Heater with magnetic stirrer 8 Elevator with variable height 9 Acid bottle with dispenser 10 Furnace 11 Analyzer 12 Position adjustment 13 Moisture trap 16 TIC TC toggle 14 Analyzer inlet see below rear view 15 Furnace outlet see below rear view Fig 18 Installation of TIC Module Rear view ...

Страница 32: ...tach the flask to the distributor 3 5 Raise the adjustable platform to support the flask Check and if necessary readjust the flask so that its bottom lies flat on the heated platform 6 Switch to TIC mode with the TIC TC toggle 16 7 Start analysis F5 or click START 8 Inject acid in two or three doses when the word Analyzing appears 9 When all the CO2 has been released from the sample the analyzer s...

Страница 33: ... 1 0g 0 2g Tungsten 200mg 100mg Sample 1 0g 0 2g Iron LC HC LS HS 13 7 S BaSO4 13 7 S Lead pieces 100s Comparator level 1 2 5g 0 2g Tungsten 2 0g 0 1g Sample LC 0 1 Steel 60ppm C HC LS 0 1 S Steel 100ppm S HS Lead powder 100s Comparator level 1 2 5g 0 2g Tungsten 800mg 100g Sample LC 0 1 Steel 60ppm C HC LS 0 1 S Steel 100ppm S HS Soil 60s 1 8g 0 2g Tungsten 250mg 50mg Sample 0 7g 0 1g Iron LC 0 0...

Страница 34: ...ple 0 6g 0 1g Iron LC 0 1 C Steel 0 02 C HC LS 0 1 S 0 025 S HS Limestone 60s 1 8 0 1g Tungsten 250mg 50mg Sample 0 8g 0 1g Iron LC 0 048 C Steel HC 1 3 C Steel 1 5 C LS 0 13 S 0 11 S HS Cobalt 50s 1 8 0 2g Tungsten 350mg 50mg Sample 0 3g 0 1g Iron LC 0 048 C Steel HC 1 3 C Steel 1 5 C LS 0 13 S 0 11 S HS Coal and coke 50s 1 5 0 2g Tungsten 50mg 10mg Sample 0 5g 0 1g Iron LC HC 3 0 C Cast ironl 70...

Страница 35: ... Tungsten 250mg 50mg Sample 0 9g 0 1g Iron LC 0 1 C Steel 0 2 C HC 3 0 C Cast iron 6 0 C LS 0 1 S Steel 0 3 S HS Fly ash 60s 2 2g 0 1g Tungsten 100mg 20mg Sample 0 3g 0 05g Iron LC 0 048 C Steel HC 6 08 C BaCO3 10 C LS 0 13 S Cast iron 0 3 S HS Gypsum 60s 0 8g 0 1g Tungsten 200mg 50mg Sample 0 8g 0 1g Iron LC HC 12 C CaCO3 LS HS 13 7 S BaSO4 18 S Ores 60s 1 0g 0 2g Tungsten 130mg 30mg Sample 1 0g ...

Страница 36: ...1 C Steel 0 1 C HC 3 0 C Cast iron 6 C LS 0 1 S Steel 0 3 S HS Titanium 50s 1 4g 0 2g Tungsten 500mg 100mg Sample 0 6g 0 1g Iron LC 0 1 C Steel 0 016 C HC LS 0 1 S Steel 10ppm S HS Titanium oxide 60s 2 2g 0 2g Tungsten 300mg 50mg Sample 0 6g 0 1g Iron LC 0 048 C Steel HC LS 0 013 S Cast iron 23ppm S HS Titanium oxide 60s 2 0g 0 2g Tungsten 220mg 20mg Sample LC 0 048 C Steel 0 230 C HC LS HS Tungst...

Страница 37: ...stion boats available Fig 19 Combustion boat types Due to the front shape of the combustion boat type 2 it should be carefully pushed up to the boat stop otherwise it may slide into the boat stop Stop pushing as soon as the boat stop is reached The combustion boat 1 is reusable 10 20 30 analyses or more The combustion boat 2 can only be used once 5 6 2 2 Oil plastics asphalt and rubber analysis Fo...

Страница 38: ...after the peak comes down to a low level then the boat should be pushed into the hot zone 5 6 2 3 Ash analysis Adjust the furnace temperature to 1450 C Take 200 mg sample weight The weight can also be much higher depending on the C and S concentrations and on the sensitivity of the IR cells After starting the analysis push the sample up to the middle of the hot zone resp up to the boat stop Ash co...

Страница 39: ...r analysis in cement we recommend to use the induction furnace 5 6 2 8 Gypsum and desulfurization products from power plants analysis Carbon determination For carbon determination only deactivate the sulfur range s Adjust the furnace temperature to 1250 C Take 300 to 1000mg sample weight depending on the C content and the sensitivity of the IR cell Enter the boat directly up to the boat stop Sulfu...

Страница 40: ...to enter the combustion area The air contains some CO2 which is detected by the carbon cell As the CO2 concentration resp the air flow entering the furnace is not necessarily constant the varying CO2 of the air will lead to a corresponding variations of the base line Using high carbon analysis in range resp for high carbon IR cells the CO2 of the entering air practically doesn t have any influence...

Страница 41: ...esistance furnace has to be restricted Using high carbon analysis in range resp for high carbon IR cells the CO2 of the entering air practically doesn t have any influence on the results The combustion boats that are used are the slim quartz boats They have to be used not only because the bigger ceramic boats cannot pass through the restricting attachment but also because the quartz boats have muc...

Страница 42: ...of the low carbon attachment are turned clockwise up to the end Use 4mm socket wrench 2 Attach the device to the furnace inlet so that the pins 3 and 4 fit into the furnace inlet 3 Loosen the two screws 2 until the front ring holds the device firmly in place 4 The combustion boat 5 can now be moved in and out the furnace ...

Страница 43: ...ass wool unless it is penetrated by dust and particles from the magnesium perchlorate Remark The above is related to coal analyses 6 1 2 Induction furnace operation The maintenance example mentioned below is related to steel analyses and oxygen 99 5 pure Maintenance every 100 analyses Or at least once a month Replace the magnesium perchlorate after the metal filter See chapter Reagent tubes fillin...

Страница 44: ...indicator grey coloration when saturated The glass tubes and the O rings should only be greased with high vacuum grease Ordinary silicon grease is inadequate It is up to the user to test common materials The analyzer will not be damaged When however problems appear proper quality materials should be used which are in absolutely unsaturated condition before technical service is called The chemical ...

Страница 45: ...and removing I The reagent tubes are first lifted then swung to one side detached diagonally downwards and emptied NOTICE The dimensions for filling the glass tubes given in the schematic of the chapter Reagent tubes filling should be respected in all cases When for example there is not enough quartz wool in the bottom of the glass tube it is possible that dust from magnesium perchlorate can fall ...

Страница 46: ...st only be held at the ends CAUTION V0076 Scalding burns Hot furnace combustion tube analyzer parts Parts of the analyzer can be very hot Use heat protecting gloves Fig 22 Reagent tubes installing and removing II A Normal position during operation B The quartz tube 1 of the furnace 2 is raised as far as possible C It is then swung out together with the furnace 2 D The quartz tube 1 is pulled downw...

Страница 47: ... ring 4 is properly pressed on the inner surface of the glass tube 5 Remark The O ring imprint on the whole circle length of the glass tube should be of about 2 mm width 6 3 Reagent tubes filling 6 3 1 Chemicals CAUTION C13 0076 Scalding burns Hot furnace combustion tube analyzer parts Parts of the analyzer can be very hot Use heat protecting gloves WARNING W9 0017 Danger of toxication and persona...

Страница 48: ...nt of glass wool be less than that shown in the following schematics Otherwise fine particles of magnesium perchlorate can pass through the glass wool layer blocking the hole of the fitting underneath It should be pointed out that magnesium perchlorate is a very strong oxidizing material NOTICE There are qualities of chemicals such as Anhydrone ascarite copper oxide Schuetze reagent tungsten granu...

Страница 49: ...al injuries Danger from glass splitters Injuries in the form of cuts can be caused by damaged glasware and glass splitters Replace damaged glassware reagent tubes Do not touch glass splitters with your hands WARNING W10 0017 Danger of toxication and personal injuries Some chemicals may cause a fatal toxication or dangerous skin corrosion Refer to the material safety data sheet of the used substanc...

Страница 50: ... rings and the sealing surfaces of the tubes should be greased with silicon grease This simplifies the fitting and particularly the removal of the tube and ensures proper sealing The O rings must be cleaned Both the O rings as well as the sealing areas of the tube must be greased with high vacuum silicon grease This will be easier to assemble or disassemble and further it improves the sealing of t...

Страница 51: ...eep a tolerance of about 20 of the filling lengths of the drawing Material Part No 1 Quartz wool 90330 2 Anhydrone 90200 3 Sodium hydroxide 90210 4 Copper oxide 90290 5 Cotton wool 90340 6 Metal filter 11105 7 Paper filter 11185 8 Glass wool 90331 ...

Страница 52: ...nal injuries Danger from glass splitters Injuries in the form of cuts can be caused by damaged glasware and glass splitters Replace damaged glassware reagent tubes Do not touch glass splitters with your hands WARNING W11 0017 Danger of toxication and personal injuries Some chemicals may cause a fatal toxication or dangerous skin corrosion Refer to the material safety data sheet of the used substan...

Страница 53: ...Maintenance 53 Fig 25 Moisture trap filling Keep the shown filling sizes with a tolerance of about 20 Material Part No 1 Glass wool 90331 2 Magnesium perchlorat anhydrone 90200 3 Free empty ...

Страница 54: ... furnace quartz tube filling optional Fig 26 Oxygen purification furnace glass tube Keep a tolerance of about 20 of the filling lengths of the drawing No Material Part No 1 Quartz wool 90330 2 Copper oxide 90290 210 255 210 1 2 1 21120 6 2 3 ...

Страница 55: ...gen trap The glass tube must be filled with halogen trap material If the customer orders an analyzer pointing out that he has to analyze materials containing halogens the analyzer will be delivered with a halogen trap tube attached to the left panel of the analyzer Keep a tolerance of about 20 to the filling lengths of the drawing ...

Страница 56: ...enance 56 Fig 28 Halogen trap filling No Material Part No 1 Glass wool 90331 2 Halogen trap metal 90235 3 Halogen trap material 90234 4 Glass tube 09090 40 60 50 50 20 10 20 40 30 1 1 1 1 2 2 3 10 30 4 8 1 2 ...

Страница 57: ...placed on the filter holder 2 and folded over E The filter holder 2 with the new filter 5 is pushed carefully back into the reagent tube 4 6 5 Dust filter cartridge replacing The dust filter cartridge filters smallest dust particles from the combustion gases Its saturation depends on the sample material and its combustion characteristics The filtering material of a new cartridge is white Replace t...

Страница 58: ...ings replacement CAUTION C21 0076 Scalding burns Hot furnace combustion tube analyzer parts Parts of the analyzer can be very hot Use heat protecting gloves CAUTION V0062 Injuries in the form of cuts and other personal injuries Danger from glass splitters Injuries in the form of cuts can be caused by damaged sample flasks and glass splitters Replace damaged sample flasks Do not touch glass splitte...

Страница 59: ...ce 59 When the analyzer HTF resistance furnace is switched on again after switching off the adjusted set point is driven immediately Please check this Fig 31 furnace details 17 11 12 10 13 9 8 7 16 15 14 2 5 4 1 ...

Страница 60: ...e nuts 4 and detach tubes 5 Remove the furnace cleaning system by pulling up the mounting 6 Unscrew the nut 7 and detach the tube 8 Unscrew the wing nuts 9 and pull down lower furnace lock 10 Now the O rings 11 and or 12 can be removed and replaced Apply a thin layer of grease on the inner surface of the new O rings before mounting them Apply a thin layer of grease on the outer surface of the comb...

Страница 61: ...k 10 Remove and replace the O rings 11 do not grease the O rings Reinstall in reverse order The O rings are only replaced when they can no longer adequately seal due to a damage or age When removing the old O rings be ensure that the sealing areas of the fittings are not damaged The sealing surfaces of the o rings on the rods and inside the furnace lock 10 must be cleaned to be free of grease and ...

Страница 62: ...nance 62 Fig 33 Resistance furnace The small O rings for sealing the top of the induction furnace should also not be greased Fig 34 Induction furnace The O ring for sealing the cone should also not be greased ...

Страница 63: ...Maintenance 63 Fig 35 Induction furnace Cone ...

Страница 64: ...time it is advisable to set the power switch to position 1 If the replacement is done during a long maintenance break the power switch can be of course at position 0 Fig 36 Furnace cleaning brush replacing Loosen the cover knobs and remove the cover Open the furnace Remove the knurled nuts 1 Unscrew the wing nuts 2 Loosen the nuts 3 and detach the tubes 4 Remove the furnace cleaning system by lift...

Страница 65: ...ed on again after switching off the adjusted set point is driven immediately Please check this 6 8 1 Dust trap cleaning Induction furnace The dust from the furnace is trapped in the metal dust filter 2 The dust filter needs to be cleaned after about 100 analyses Make sure that the filter is absolutely dry after ultrasonic cleaning The porosity of the filter is 10 microns only and it is impossible ...

Страница 66: ...witch 1 can stay at position 3 The oxygen does not need to be turned off but only the furnace has to be opened The heat shield 4 and the pedestal 5 can occasionally be cleaned Remove the dust trap 2 as follows Fig 38 Dust trap removing 4 5 2 1 ...

Страница 67: ...er housing 3 and the lower O ring 4 The upper end of the filter housing 2 and the O ring of the upper sealing mechanism should remain clean and absolutely free of grease Thorough cleaning once every 1000 analyses when using tungsten accelerator once every 500 analyses when using tungsten and Iron Fig 40 Dust trap disassembling Remove the metal filter out of the filter housing Perform a preliminary...

Страница 68: ...g 42 Dust trap Resistance furnace Remove the two screws 1 Remove the cover 2 using a screw driver if necessary Remove the dust from the inside of the dust trap 4 using the brush 5 Do the assembling in reverse order Remark The two screws 1 should be properly tighten to make sure that the system is sealed ...

Страница 69: ... in the form of cuts and other personal injuries Before installing the new reagent tubes check if they are damaged Wear protective gloves and safety glasses when installing removing the reagent tubes CAUTION V0095 Injuries in the form of cuts and other personal injuries Danger from glass splitters Injuries in the form of cuts can be caused by damaged glasware and glass splitters Replace damaged gl...

Страница 70: ...4 Nut for gas inlet tube 5 Gas inlet tube 6 Mounting 7 Nut for gas outlet tube 8 Gas outlet tube 9 Wing nuts 10 Lower furnace lock 11 Upper o ring for combustion tube 12 Lower o ring for combustion tube 13 O ring for lower furnace lock 14 Combustion tube 15 Induction coil 17 11 12 10 13 9 8 7 16 15 14 5 4 1 2 ...

Страница 71: ...e mounting 6 Unscrew the nut 7 and the detach tube 8 Unscrew the wing nuts 9 and pull down lower furnace lock 10 Pull off the lower O ring 12 from the combustion tube remove the combustion tube 14 by pulling it up remove the upper O ring 11 Apply a thin layer of grease on the inner surface of the new O rings 11 and 12 before mounting them Apply a thin layer of grease on the outer surface of the co...

Страница 72: ...t is driven immediately Please check this Fig 44 Removing the combustion tube CAUTION Unplug the mains power cable before opening this device 1 Switch off the furnace and disconnect the power plug 2 Remove the oxygen tube 1 3 Remove the plastic tube from the dust box D at the furnace outlet 4 Dismantle the dust box by removing the screws 10 and remove the cover 11 using a screw driver 12 if necess...

Страница 73: ...r with the combustion tube 6 out of the rear of the furnace 10 Remove the old combustion tube 8 install the new one Fig 46 Front view combustion tube with boat stop NOTICE Slide the new combustion tube very slowly and perfectly horizontal into the furnace otherwise the heating elements may break 11 Slide the boat stop 9 into the combustion tube 8 and ensure that it is positioned according to this ...

Страница 74: ... the replacement of the combustion coil a separate manual is available Please contact the service see Chapter 1 contact information 6 12 Pedestal removing Fig 47 Pedestal removing A Remove the pedestal 1 from the furnace closing cone by lifting B If the pedestal cannot be easily lifted unscrew with a 24 mm wrench the nut 2 from the cone 3 C This will give access to the bottom off the pedestal allo...

Страница 75: ...e ceramic tube 4 Pull the dust trap 10 with the ceramic combustion tube out of the furnace 5 Unscrew and remove the four screws 4 6 Remove the front stainless panel 15 7 Unscrew and remove the four screws and 11 8 Remove the rear stainless cover 16 9 Remove the clamps 8 and 12 from the heating elements 10 Remove the ceramic spacers 9 and 13 11 Remove the heating elements 14 12 Re assemble in rever...

Страница 76: ...leakage in the gas flow system The leakage test is completed The gas system is seal In case there is a continuous pressure drop then release the button 43 open the furnace Then press and hold the button 43 again If the pressure remains constant after an initial drop then the fault is in the furnace area including the metal dust filter If the pressure still decreases then the leakage is somewhere i...

Страница 77: ...ollowing above instructions close the furnace squeeze tight the tube 9 press and hold the button 43 observe the pressure gauge 12 If the pressure drops then the furnace is leaking Check whether the O rings 16 17 and 18 are dirty or defective See chapter O Rings replacing Check whether the combustion tube 15 is broken or cracked See chapter Combustion tube replacing If the pressure remains constant...

Страница 78: ... in the resistance furnace The sample temperature in the induction furnace depends on the kind of sample and accelerators as well as on their quantity Usual temperatures are between 1800 C and 2000 C Combustion is obtained by supplying oxygen which at the same time acts as carrier gas An electronic flow regulator keeps the flow quantity at a constant level of 180 l h unless the analyser is a speci...

Страница 79: ...icient pressure in the furnace and whether the furnace is closed in order to start the analysis cycle The combustion gases from the furnace flow first thru a dust trap and then through a H2O absorber Via the bypass valve they reach the electronic controlled flow regulating valve V6 which is the adjusting element of the electronic flow regulation Then the gases pass through the SO2 selective cells ...

Страница 80: ...Function description 80 Fig 51 Gas flow system ...

Страница 81: ...t correspond to the IR wavelength which is absorbed by the gas which is to be measured The loss of intensity of the radiation on the IR sensor after this filter corresponds to the concentration of this gas in the absorption path The electrical signal given by the sensor corresponds to the intensity of the radiation and therefore to the gas concentration in the absorption paths Since the beam is in...

Страница 82: ...rbon and sulfur analyzers with induction furnaces know that dust accumulates during the combustion mainly of iron and tungsten oxides in the combustion chamber The CS 2000 induction furnace is cleaned automatically after each analysis thus ensuring repeatable and accurate results The cleaning mechanism is mechanically attached to the furnace open close system to ensure that the cleaning brush will...

Страница 83: ...nt temperature The furnace requires approximately 10 to 15 minutes to reach its operating temperature Combustion efficiency The design of the furnace boat stop guaranties that the oxygen carrier gas enters the combustion boat ensuring efficient combustion This design eliminates the need of fragile lances and honeycomb boat stops which tend to block easily with ash Additionally the boat stop protec...

Страница 84: ...furnace tube and they remain preheated in the tube until needed Each time a crucible is needed a new one is inserted into the tube and a preheated crucible falls out the other end of the furnace tube The recommended pre heating temperature is between 1250 C and 1350 C For preheating crucibles the boat stop is removed ...

Страница 85: ...11170 Dust cartridge 11390 Oxygen solenoid valve 11400 Pressure outlet solenoid valve 11415 Oxygen stop solenoid valve 11430 Purge solenoid valve 11440 Bypass solenoid valve 11492 Pressure regulator 11492 Inlet pressure regulator 11495 Purge pressure regulator 12016 Gas flow and furnace control board HF 42 12044 Transformer ...

Страница 86: ...s flow regulating valve 11390 Oxygen solenoid valve 11400 Pressure outlet solenoid valve 11415 Oxygen stop solenoid valve 11415 Lance valve 11430 Purge solenoid valve 11440 Bypass solenoid valve 11490 Pressure regulator 11492 Inlet pressure regulator 11495 Purge pressure regulator 12016 Gas flow and furnace control board HF 42 12044 Transformer 15268 Pump control board PC 15270 Gas pump ...

Страница 87: ...5336 Attenuator volume 8 1 3 Right side Fig 57 Right side Part No Description 11190 Exhaust muffler 13850 Centrifugal blower 11376 Fixing plate for 11822 77050 TRIAC 11492 Pressure regulator 77135 Capacitor 11822 Pnematic valve block 12100 12080 77050 270V 0V 240V 220V 12045 11492 RC 11190 V10 V8 V7 13850 11376 13009 11822 B9 1 5 ...

Страница 88: ...ription 26319 Hollow screw 26618 Valve block 60234 Pneumatic valve 60240 Silencer 60513 Fiting 60522 Fiting 60631 Closure 60635 Seal 60234 26319 60635 60631 60635 60631 60635 60631 60635 V7 V8 V10 60552 26618 Piston 60558 26618 26319 26618 60522 60522 Cushioning 60234 Coil cooling 60234 26319 60635 60240 60240 60513 ...

Страница 89: ...ort 13090 Upper coil connector 13100 Lower coil connector 13110 Anode connector 13122 Capacitor connector 13130 Capacitor connector 13140 Ground connector 13150 Anode heat sink 13160 Coil heat sink 13170 Radiation shield 13175 Insulator 13210 Grid choke 13220 Anode choke 13250 Chassis support 13260 High voltage filter 13270 Resistor ...

Страница 90: ...90 77140 HF filter 77210 Oscillator tube 77322 Capacitorr 77330 Capacitor 77335 Capacitor 77333 Filter 77345 13261 13262 77340 77341 77342 Capacitor 77350 Capacitor 100 nF 77489 Bracket 77600 Resistor 77610 Resistor ...

Страница 91: ...Miscellaneous 91 8 1 6 Furnace Fig 60 Furnace 71031 71010 ...

Страница 92: ...14110 Threaded rod 14120 Furnace cover 14130 Combustion tube 14150 Lower log 14160 Upper log 14161 Lower knurled nut 14165 Upper knurled nut 14168 Pedestal 14170 Pedestal mount 14180 Furnace closure 14185 Tray 14200 Metal tube 14210 Threaded rod 14220 Cylinder support 70380 O ring 70390 O ring 71010 Cleaning brush for pedestal 71031 Cleaning brush for radiation shield 76003 Wing nut 76005 Knurled ...

Страница 93: ... No Description 14014 Complete furnace cleaning assembly unit 14021 Upper furnace lock 14045 Cleaning brush for combustion tube 14051 Brush holder 14072 Ceramic heat shield for brush 14080 Cleaning mechanism Rod 14160 Upper log 70120 O ring 75122 Spring 75130 Safety spring 75150 Metal tube ...

Страница 94: ...Miscellaneous 94 8 1 8 Gas purification furnace Fig 62 Gas purification furnace Part No Description 21010 Heather section 21120 Quartz tube 70380 O Ring ...

Страница 95: ...n 09090 Reagent tube 11480 Adjustable restrictor 15095 Flow display 600l h 35355 Lower reagent tube connector 36445 Platform 36700 Upper reagent tube connector 36730 White tube 36735 Black tube 70320 O ring 78010 Mains power switch 8 1 10 Restistance furnace details Fig 64 Resistance furnace details ...

Страница 96: ...p 36665 Spring 36799 Cooling fan 36907 Temperature control board TH 43 TH 44 36908 Cable for TH 43 TH 44 36914 Thermocouple 36975 LCD display DVM 2 70380 O ring 70410 O ring 75140 Coil spring washer 77450 Temperature switch 77500 Heating elements 4 pcs 77505 Ceramic spacer 4pcs 90155 Combustion boats 90162 Combustion tube Remark 36907 temperature control board TH43 is an older version 36904 Temper...

Страница 97: ...Miscellaneous 97 8 1 11 Furnace tube cleaning Fig 65 Gas outlet tube Part No Description 36720 Furnace outlet tube 36725 Cleaning tube ...

Страница 98: ...Miscellaneous 98 8 1 12 Tic module Fig 66 TIC module 35543 9008 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ...

Страница 99: ...r 38200 6 50 ml glass flask 90900 7 Heater with magnetic stirrer 71070 8 Support with variable height 38400 9 O ring 9 3 70230 10 Lower moisture trap connector 11045 11 Geared mechanism 38850 12 Glass stopper connection to the furnace 38227 13 Glass stopper connection to the acid supply 38220 14 Glass support 38340 15 Dispenser Assimat 71065 16 Acid bottle 71060 17 Bottle support 38677 ...

Страница 100: ...rough transportation Especially the foam where the analyzer is placed on is very important It should neither be too hard nor too soft When the foam is too soft the analyzer will practically touch the wood Fix the foam on the bottom of the wooden case by gluing The analyzer and the furnace should be wrapped in plastic foil especially when you use chips or any other kind of material in small pieces ...

Страница 101: ...ace the analyzer directly on the pallet with the right side towards the middle of the pallet because the furnace and the transformer are the heaviest parts of the analyzer Fig 69 Packing Top view Shift the analyzer to the exactly required position ...

Страница 102: ...er to the furnace side and place a piece of foam at the right position Fig 71 Packing Foam II Tilt the analyzer to the other side and place the second piece of foam at the right place If necessary a third piece of plastic foam can be placed on to the pallet ...

Страница 103: ...itable clothing Keep the work environment clear of all materials that could catch fire Following requirements apply when installing the analyzer Carrier gas Oxygen 99 5 pure 2 4bar 30 60psi Compressed air 4 6 bar 60 90psi Mains power supply Analyzer 230VAC 10 50 60Hz 16A fuse CEE Plug 230V 16A Resistance Furnace 230 VAC 10 50 60 Hz 20A fuse CEE Plug 230V 32A Analyzer dimension 560 x 780 x 600 mm W...

Страница 104: ...ions The supplied tubes carry a connector with G inner diameter Fig 72 Carrier gas tube Connections for compressed air The tubes supplied together with the analyzer carry a connector with G inner diameter Fig 73 Compressed air tube ...

Страница 105: ...kel CS 800 CS 2000 ON 900 OH 900 ONH 2000 ASTM E 1409 2013 N O Titanium and Titanium Alloys ON 900 OH 900 ONH 2000 ASTM E 1569 2009 O Tantalum ON 900 OH 900 ONH 2000 ASTM E 1447 2009 H Titanium and Titanium Alloys OH 900 ONH 2000 ASTM E1915 13 C S Metal Bearing Ores and Related Materials i e tailings waste rock CS 580 CS 800 CS 2000 UOP703 09 C Catalysts CS 800 CS 2000 ASTM E 1941 2010 C Refractor...

Страница 106: ...ementrac packaging Please refer to your country s packaging disposal guidelines and if applicable your company s packaging guidelines Please observe the respective statutory requirements with respect to disposal Information on disposal of electrical and electronic machines in the European Community Within the European Community the disposal of electrically operated devices is regulated by national...

Страница 107: ...ea to which this product is classified may no longer be disposed of with municipal or household waste To document this they have the following label Fig 74 Disposal label Since the disposal regulations within the EU may differ from country to country we would request you to consult your supplier ...

Страница 108: ...Resistance furnace 68 E Electrical connection 13 Electrical connection 12 Explanation of signs and symbols 10 Explanations of the safety instructions 7 External fuse 11 F Figure Auto loader 22 Cleaning mechanism details 61 Crucibles preheating 29 Dust filter cartridge inserting 58 Dust trap 66 disassembling 67 fast cleaning 67 outer and inner o rings 68 removing 66 Example of installation 15 Furna...

Страница 109: ...ngs replacement 58 Oxygen purification furnace quartz tube filling optional 54 P Packaging 11 Packing 100 Paper filter changing 57 Pedestal removing 74 plastics 37 Power supply system 12 Preheating furnace 83 pre heating furnace operating 29 Pre installation guide 103 property damage 7 Protection type 13 R Reagent tube filling 49 52 Reagent tubes filling 47 Reagent tubes removing and installing 44...

Страница 110: ...Copyright Copyright by Eltra GmbH Retsch Allee 1 5 42781 Haan Germany ...

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