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Clayton Steam Generator model EO-100-1M

PAGE 21 / 70

Instruction Manual, doc.nr.: MAN18206 Rev A PSC

6.4

STARTING THE BURNER

•

Start burner. Switch

[S01]

in position burner. After a 10 seconds prepurge time the burner should

ignite. If no flame is detected, the generator will be stopped and a manual reset by switch

[S2]

will be

necessary.

•

After burner is ignited, allow steam generator to come up to operating steam pressure. With the coil
and separator full of water, open separator drain valve

[32]

until first pressure drop shows on

steamtrap pressure gauge

[41].

•

When steam pressure has reached maximum, put control switch

[S01]

in position "HIGH FIRE" and

gradually open steam discharge valve.

•

Check stack for burner smoke. If smoke is noticed regulate the air supply to the burner to eliminate
the smoke and prevent sooting.

•

When the plant has reached full pressure and temperature after initial start, record feed pressure for use
in determining degree of coil restriction.

6.5

AUTOMATIC OPERATION

When steam pressure rises to approximately

XX

bar

)

, the modulating pressure switch

[F22]

will cut burner

capacity to low-fire operation.

On light steam demands or when no steam is required, the steam pressure switch

[F20]

will cut out and stop

the burner when steam pressure rises to working pressure .It will automatically restart the burner when
pressure drops about 1 bar below maximum. The burner will thus cycle between on and off during light
steam demands.

. If the steam demand increases, high-fire operation of the burner will be re-established by means of the
modulating pressure switch

[F22]

when steam pressure drops to +-1 bar below maximum

.

With moderate to

heave steam demands, the burner will cycle between high and low-fire operation, or operate on high fire
continuously, depending on the steam demand

During on/off or low-fire/high-fire operation of the pump will operate by means of the 2 speed motor

.

6.6

SHUTTING DOWN THE GENERATOR

PURPOSE AND SCOPE

The purpose of conserving generators, exhaust gas boilers or any other installation is to protect the
installation against in- and outside corrosion and/or freezing during periods of shutdown.
Protection of generators, exhaust gas boilers or others parts during fabrication and/or storage,

(that is before

they are incorporated in an installation)

is described in a Clayton procedure

BASE AND REFERENCE DOCUMENTS

-- Clayton installation manual
-- Clayton instruction manual

WARNING :

Start the burner only when the water pump has been properly deaerated and

when the generator is completely filled with water

NOTE :

Pressures given in the following text are typical for a unit adjusted for a maximum

operating pressure of 10 bar. The pressure ranges given in parenthesis are the values that have to be
substracted from the maximum operation pressure if the unit is adjusted for other pressures.

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Содержание EO-100-1M

Страница 1: ...mannstraβe 75 F 77170 Brie Comte Robert D 40237 Düsseldorf France Germany Tel 33 0 1 64053824 Tel 49 0 211 2339790 Fax 33 0 1 64052437 Fax 49 0 211 23397922 E mail lavapeur clayton fr E mail info clayton deutschland de www clayton fr www clayton deutschland de CLAYTON NEDERLAND B V p a CLAYTON THERMAL PRODUCTS Ltd Rijksweg 30 5 Boleyn Court B 2880 Bornem Manor Park Industrial Estate Belgium Runcor...

Страница 2: ...IC BURNER MODULATION 15 3 5 BURNER MANIFOLD 15 CHAPTER 4 ELECTRICAL SYSTEM MAIN COMPONENTS 16 4 1 DESCRIPTION OF MAIN COMPONENTS 16 4 2 OPERATION 16 CHAPTER 5 INITIAL FIRING 18 5 1 BEFORE FIRING 18 5 2 CONDITIONING OF NEW INSTALLATIONS OR INSTALLATIONS WITH A NEW COIL 18 CHAPTER 6 OPERATION SHUTTING DOWN 20 6 1 GENERAL 20 6 2 BEFORE STARTING 20 6 3 STARTING PLANT 20 6 4 STARTING THE BURNER 21 6 5 ...

Страница 3: ... BURNER 61 9 7 CONFIGURATION OF TEMPERATURE INDICATOR JUMO 0202485 62 9 8 STEAM PRESSURE SWITCH F20 63 9 9 MODULATION PRESSURE SWITCH F22 63 9 10 LIMIT PRESSURE SWITCH F21 64 9 11 AIR PRESSURE SWITCH F81 FIG 8 22 64 9 12 AIR PRESSURE SWITCH HIGH FIRE F82 FIG 8 22 64 CHAPTER 10 RECOMMENDED OILS FOR CLAYTON WATERPUMPS 65 10 1 PURPOSE AND SCOPE 65 10 2 OIL SPECIFICATIONS 65 10 3 OILS FOR FOOD INDUSTR...

Страница 4: ...Clayton Steam Generator model EO 100 1M PAGE 4 70 Instruction Manual doc nr MAN18206 Rev A PSC TECHNICAL SPECIFICATIONS ...

Страница 5: ...hat the equipment is safely and correctly installed operated and serviced from the beginning Keep this manual available at all times for the operating and servicing personnel Record all important information such as operating conditions including feedwater treatment analyses alarms service interventions in a logbook All activities mounting installation operation and service work etc must be perfor...

Страница 6: ... on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure DANGER Indicates an imminently hazardous situation which if not avoided could result in death serious injury or equipment or environment dammage WARNING Indicates a potentially hazardous situation which if not avoided could result in death serious injury or equipment or envir...

Страница 7: ...temporary ventilation through openings in the wall or ventilators with sufficient capacity The generator must be able to function normally during ventilation Insufficient oxygen can lead to poisonous CO gas Frost supercooling exhaustion Wear warm clothing Contact with cold metals can lead to stiff and hence less sensitive hands creating a bigger chance for hand injury Rotating or moving parts inju...

Страница 8: ...rts with pre stressed springs can cause injuries by a sudden position change of the parts Check out how these parts are interlinked first Use accessories such as pins to disassemble parts with pre stressed springs Parts not strong enough to support heavy weights Some parts can bend or break with overloads Parts can never be used as a platform support or connector Use ladders or platforms Electrica...

Страница 9: ...sure gauge can be installed on this flange to monitor the calibration of the different measuring devices Frost Do maintenance if a generator is not used during cold periods Be aware of the fact that in cold periods the water in the coil separator can be icy Parts sticking out are present Difference in height and obstacles The coil is mounted vertically Use ladders or platforms during maintenance o...

Страница 10: ...at the coil outlet in the chimney or when inspecting the inlet of the blower Parts not strong enough to support body weight the protective screen at the air blower entry Electrical parts Make sure to cut the power from all the motors ventilators and oil pumps Automation Generator fuel and air hook up can be started via remote control 2 4 5 CERTIFICATION The Clayton steam generator is designed and ...

Страница 11: ...Clayton Steam Generator model EO 100 1M PAGE 11 70 Instruction Manual doc nr MAN18206 Rev A PSC CHAPTER 3 DESCRIPTION Flow diagram WATER STEAM Drawing HE 2528 C ...

Страница 12: ...h the steamtrap 3 2 2 WATERPUMP The diaphragm type waterpump is designed to deliver sufficient water to maintain a wet coil at all operating conditions The pump is driven by a electric motor and contains no stuffing boxes The diaphragms are operated through hydraulic oil which is displaced by reprocicating pistons Corrosion resistant springs discs and seats are used in the check valve housings Tub...

Страница 13: ... these figures can be checked to assure the operator that the generator is operating properly If the steam generator is connected to an open system where the feedwater temperature is 90 to 95 C the steam trap should be open approximately 10 to 15 minutes accumulated of each hour at high fire operation At steady half fire the accumulated time should be half this amount By checking and recording the...

Страница 14: ...Clayton Steam Generator model EO 100 1M PAGE 14 70 Instruction Manual doc nr MAN18206 Rev A PSC Flow diagram FUEL OIL HE 2673 C ...

Страница 15: ...ally operated three position off low fire and high fire main gas valve with an adjustable low fire position When steam pressure rises to the adjusted modulation point F22 the gas valve will close to the low fire position When the burner modulates the solenoid operated automatic damper restricts the burner air supply to maintain oil fuel ratio The unit will automatically return to high fire operati...

Страница 16: ...itch F20 to combustion controller initiating the start up of the burner Now the ignition transformer is energized Burner should ignite within 2 and the flame detected by the UV B3 flame scanner Now the burner operates at low fire Combustion air rate and waterpump rate are at 50 Waterpump runs at low speed and MOTOR AIR DAMPER M83 is energized 4 2 3 BURNER MODULATION S01 Position high fire When S01...

Страница 17: ... reset with button S02 The unit is equipped with the following alarms H 10 stops the unit in case of generator motor overload or wrong oil level in waterpump crankcase H 21 stops the unit in case of excessive steam pressure H29 stops the unit in case of coil temperature H 31 stops the unit in case of high steam temperature H 81 stops the unit in case of insufficient combustion air pressure or flam...

Страница 18: ...overheating protection be tested after the generator has been initially started and brought up to operating steam pressure The sensor thermocouple or PT 100 should be tested periodically to ensure continuous protection After proper firing rate has been established check coil feed pressure at high fire Record steam pressure and coil feed pressure for future reference 5 2 CONDITIONING OF NEW INSTALL...

Страница 19: ...close coil drain valve 5 2 3 STEP 2 Mix another solution of tri sodium phosphate this time using 2 5 kg 5 lbs of commercial tri sodium phosphate or 1 25 kg 2 lbs pure anhydrous tri sodium phosphate per m 250 gallons water Again ratio the volume to fill the applicable coil separator receiver Add this solution to the receiver and allow the plant to operate normally for 10 to 12 hours Blowdown the pl...

Страница 20: ...me loosen intake valve cap two turns wrench furnished to eliminate air then retighten When plant is started initially or if it has been idle for a long time remove intake and discharge valves from feedwaterpump housings and wipe the discs and seats with a clean cloth to ensure proper seating Be sure check valves are installed into the same port from which they were removed If pump fails to prime a...

Страница 21: ...e burner when pressure drops about 1 bar below maximum The burner will thus cycle between on and off during light steam demands If the steam demand increases high fire operation of the burner will be re established by means of the modulating pressure switch F22 when steam pressure drops to 1 bar below maximum With moderate to heave steam demands the burner will cycle between high and low fire oper...

Страница 22: ...uges Drain blowdown tanks See to it that no water can enter the system from drains If necessary create vacuum breaks on drain lines When restarting the installation and the boiler after long dry shutdown adapt watertreatment in order to rebuild protecting magnetite layer To restart fill up pressure vessels hotwells accumulators and or separators with water Circulate water over boiler for two hours...

Страница 23: ...let valves do not create overpressure Fill up system with water using feedpumps Check oxygen scavenger level in system on a weekly basis If oxygen scavenger level drops below normal working level add oxygen scavenger to feedwater and run feedpumps for two hours Whenever feedtank is refilled check alkalinity If needed bring alkalinity up to normal level while running feedpumps and or circulation pu...

Страница 24: ...o hours Whenever feedtank is refilled check alkalinity If needed bring alkalinity up to normal level while running feedpumps Do release nitrogen pressure before running pumps and re establish nitrogen pressure at 2 bars after pumps are stopped Check nitrogen pressure weekly If nitrogen pressure drops below one bar check nitrogen supply Check for leakages in system Reestablish nitrogen pressure at ...

Страница 25: ... strainer plugged Wateroutlet hotwell plugged Waterpump solenoid sticking Clean and inspect valves See installation manual Prime pump Close or replace drain valve Be sure oil is maintained at proper level On installations where there are sudden heavy steam demands a back pressure regulator should be installed to retain a normal pressure in the separator during these periods Check water level in ho...

Страница 26: ...n in heating coil comparison of feed press with normal value Steam pressure discharge gauge reaches zero pressure Steam trap closed Pressure gauge defect Ensure waterpump is discharging at normal capacity Blowdown valve partially open Close blowdown valve Check for possible malfunc tioning of steam trap Replace pressure gauge 7 2 FUEL SYSTEM OIL FIRED UNITS TROUBLE POSSIBLE CAUSE REMEDY Fuel press...

Страница 27: ...anifold Check for burned out solenoid coil Replace solenoid Smoke from flue outlet to prevent sooting of heating coil and burner this condition must be corrected immediately Improper air supply to burner Fuel pressure not adjusted properly Carboned loose or worn burner nozzle Heating coil sooted Dirt or sludge in fuel oil or wrong grade of fuel used Check air adjustment Clean cupped sides of blowe...

Страница 28: ...pipe is installed correctly Remove soot with sootblower Install duct from outside air to blower Check adjustment Remove and clean nozzle Generator shuts off before maximum pressure is reached One of the safety devices interrupts safety circuit Check which safety device has stopped generator Correct cause Partial or improper operation causing low steam pressure at normal load Fuel pressure too low ...

Страница 29: ...ailure caused by poor contact pressure dirt arcing or low voltage Replace coil Replace contactor Magnetic contact fails to disconnect Welded contacts due to arc or mechanical binding Replace contactor Motor noisy or running hot Motor running single phase Insufficient lubrification of bearing failure Check for blown fuse in feeder lines Lubricate bearings and check for worn bearings Magnetic contac...

Страница 30: ...eck if UV cell B3 is properly seated in its socket no pilot flame low combustion air pressure too high combustion air pressure blowing out pilot flame check oil supply to pilot burner pilot solenoid valves pilot oil pressure regulator check air supply to pilot burner check ignition electrode cable and transformer check air damper air oil ratio no main flame too high combustion air pressure blowing...

Страница 31: ...Clayton Steam Generator model EO 100 1M PAGE 31 70 Instruction Manual doc nr MAN18206 Rev A PSC ...

Страница 32: ...Clayton Steam Generator model EO 100 1M PAGE 32 70 Instruction Manual doc nr MAN18206 Rev A PSC ...

Страница 33: ...Clayton Steam Generator model EO 100 1M PAGE 33 70 Instruction Manual doc nr MAN18206 Rev A PSC End Chapter 7 ...

Страница 34: ...EAM PRESSURE AND TEMPERATURE Record feed water pressure and steam temperature By comparing the measured values with those recorded at initial start up coil restrictions can be noted 8 3 3 STEAM TRAP TIMING Check the operation time of the steam trap via manometer 41 under normal conditions malfunctioning of the generator can be noted If a component such as the water pump which has a fixed pumping r...

Страница 35: ...PECTION Check for leaks unusual noise stack smoke etc Hot lines on manual blow down discharge is an indication of valve leakage 8 3 7 TEST OF BURNER SAFETY CONTROLS Press S2 for activation the operator presence With burner in operation either 8 4 WEEKLY MAINTENANCE Partially drain hotwell Open drain valve for 1 minute this can be done during normal operation water level should be kept in sight in ...

Страница 36: ...ter treatment is adequate and is being used properly and consistently Feed water treatment must be consistent and continuous Blow down the plant more frequently It is sometimes necessary to blow down more often than specified in this manual to remove solids which are precipitated in the form of sludge The blow down operation is not a cure of all but it will remove scale and thereby delay coil rest...

Страница 37: ...photocell Remove nozzle only when smoke from flue outlet can not be avoided by other means 8 6 SERVICE ANNUAL OR SEMI ANNUAL FOR SEVERE SERVICE These inspections are preferably executed by an authorized Clayton technician Replace burner nozzle Replace oil in crankcase Drain and refill water pump crankcase with new hydraulic oil chapter10 Inspect water pump check valves Replace seats and discs if w...

Страница 38: ...control and safety devices as defined in EN 12952 7 8 are required for both the steam generator assembly and for the steam installation essentially to monitor and lock out the generator when the limits are exceeded See paragraphs 8 7 2 Clayton of Belgium offers 3 different options of steam generator equipment for the different modes of operation 1 EN AT Attended operation this generator assembly i...

Страница 39: ...elief valves should be checked by a qualified Clayton technician a Any periodic testing should be carefully planned preferably simultaneously with the official periodic testing and inspection as required by the national legislation on steam plants supervision b All periodic inspections and tests of safety devices shall be recorded on the maintenance log sheets or in the generator log book or other...

Страница 40: ...from light Self checking type approved device if 24 hr continuous operation else any burner shall be stopped every 24 hours Exhaust All B95 Temperature element TSZ A Max temperature limiter Max exhaust temperature M S O O O V F D 1W Check and record temperature readings at full load and compare with previous readings With controller in panel Can be used as an alternative F32 TAH in combination wit...

Страница 41: ...F 6M 6M Check horizontal position of float switch Force it to go in upward or downward direction till generator shuts down Protection against ingress of pump oil in system or water in oil carter works in 2 directions for pumps with oil carter Table 8 7 2 Installation devices for different modes of operation and their periodic testing Col 7 Actions of the provided devices A pressure accessory C ope...

Страница 42: ...e 19 Disc valve check 34 Stud 5 Housing valve check 20 Spring intake 35 Cap bearing 6 Plug 1 4 npt 21 gasket cap vlv ck hi pres 36 Seal oil 7 Crankcase pump 22 Cap valve check 37 Piston link assy pump 8 Stud 3 8 16 x 23 Spring discharge 38 Crankshaft wp belt drive 9 Cock drain 24 Gskt cap brg 0 015 thick 39 Bearing roller Timken 10 Nut hex 25 Gskt cap brg 0 010 thick 11 Stud pump 26 Gskt cap brg 0...

Страница 43: ...lved thoroughly flush parts with water Open drain cock and flush pump columns 9 1 2 REPLACING WATER PUMP VALVE SEATS FIG 8 2 To replace the valve seats it will be necessary to use a special seat puller part nr UH 25257 and a special seat driving tool part nr UH 18389 Adjust puller stem counterclockwise until jaws can be retracted into the body Unscrew body nut sufficiently to allow retracted jaws ...

Страница 44: ...8 1 Position diaphragms washers and springs to pump case and install pump heads Tighten stud nuts as described below Be sure springs and diaphragm washers remain in correct position during assembly fig 8 3 Torqueing sequence pump starting position Apply torque as indicated in the table through 6cycles using the above sequence for tightening Fill pump crankcase with hydraulic oil to proper level 1 ...

Страница 45: ... Inspect pistons and cylinder walls for worn or scored condition Inspect valve discs and seats for scores or pits Inspect springs for distortion or damage Free length of discharge springs should be 25 mm free length of intake springs should be 19 mm If not within 1mm replace spring Also replace broken or distorted springs Inspect oil seals and packing s for worn or deteriorated sealing members 9 1...

Страница 46: ... one of the bearing caps and add or remove gaskets to compensate and bring end play within the accepted tolerance Install gasket top plate and oil level switch to pump Install diaphragms and add oil as instructed Reconnect pump After starting plant inspect for leaks and tighten if necessary Watch plant carefully for the first few hours of operation to be sure pump is maintaining a fully charged sy...

Страница 47: ...e to lower pressure adjustment turn screw counterclockwise Secure adjustment screw with locknut after adjustment Fully open coil feed valve Inspect relief valve for leakage during normal operation 9 1 6 2 Repair Loosen adjusting screw 1 and unscrew housing 3 form body 10 Inspect disc 8 and seat 9 for scored or damaged condition Replace damaged seat If disc is scored it may be resurfaced by rubbing...

Страница 48: ...ssembly lubricate the new insert with glycerin do not use oil to allow it to be pushed into the retainer and bottom housing 1 Housing 2 Rubber insert 3 Insert retainer Fig 8 6 Waterpump intake snubber 9 1 8 WATERPUMP DISCHARGE SNUBBER Rubber insert type This type is non adjustable If replacement of the rubber insert is necessary the old insert must be cut away from the retainer 2 To facilitate ass...

Страница 49: ...ter outer cover 2 Heater inner cover 3 Upper clamp band 4 Soot blower deflector 5 Outer shell 6 Lower clamp band 7 Burner base 8 Burner manifold 9 Volute in burner base 10 Bolt Anchor 11 Burner base insulations 12 Water wall 13 Air passage 14 Heating coil 15 Coil insulation cloth 16 Coil insulation blok 17 Lifting eye 18 Sensor coil temp ...

Страница 50: ...9 2 1 REMOVAL OF SCALE FROM RESTRICTED HEATING COIL FIG 8 8 An authorized Clayton technician should supervise this operation Obtain a 200 l container heat resistant not galvanized and place it near the feedwaterpump If possible provide a pipe outlet DN 50 at 50 mm above the bottom of the container for acid suction Elevate the container to provide about 30cm gravity feed to the feedwaterpump Close ...

Страница 51: ...be necessary to wash the coil with water to remove the excessive soot accumulation Set S01 in position 2 pump and let the generator running for about 15 minutes to cool the unit before the washing is started Disconnect and remove stack section immediately above the heater cover Remove the burner manifold Provide a trough under the burner volute opening to drain off the water used for washing the c...

Страница 52: ...h attach separator to bracket on coil Disassemble removable section of exhaust stack above heater cover 1 Remove upper and lower clamb band 3 and 6 Remove outer and inner heater cover 1 and 2 Unscrew sheet metal screws from outer shell and remove both halves Remove hold down bolts 17 located at the bottom of the shell at each support channel and lift coil and shell assembly complete from burner ba...

Страница 53: ...Remove the heating coil Repair small breaks in the insulation with a mortar of high temperature refractory cement and water If complete replacement is necessary proceed as follows Break up and remove refractory from burner base Vermiculite insulation may be reused if kept clean Mix castable insulation with enough water to make a damp not wet pliable mixture Fill burner base bottom with this mixtur...

Страница 54: ...ion cement Clayton part number M018506 2 kg 4 kg Refractory cement Clayton part number M011297 15 kg 65 kg Fig 8 9 Burner base 1 Heating coil 5 Insulation retaining ring 9 Burner base 2 Coil insulation 6 Plastic vermiculite insulation 10 Coil spacer 3 Coil shell 7 Refractory insulation 4 Plastic vermiculite insulation 8 Choke ring ...

Страница 55: ...ive fuel pressure will cause the burner to smoke and result in sooting of the heating coil If fuel pressure is too low the plant will be slow in coming up to pressure and will not maintain adequate steam pressure during periods of maximum steam demand For maximum steam output the pressure regulator setting may range from bar fuel pressure See QC 1039 test sheet 1 Cap 2 Locknut 3 Adjusting screw fi...

Страница 56: ...r pressure Avoid raising pressure to a point which will cause overfiring and thermostat interruption After adjustment fasten locknut and replace cap WARNING The maximum burner capacity should not be exceeded It is very important to maintain an balance between fuel water and air is maintained under all load conditions The burner capacity depends also on the combustion air pressure Check this pressu...

Страница 57: ...6 Rev A PSC Fig 8 13 a Oil burner Sectional view Drawing 0160555 1 Cone assy burner manifold 10 Plate assy manifold 2 Stem assy burner manifold 11 Spacer manifold burner 5 Electrode ignition E 100 Nozzle 9 5GPH 90 qty 1 6 Nut lock electrode E 100 Nozzle 4 5 GPH 80 qty 2 FOR THIS ORDER ...

Страница 58: ...Clayton Steam Generator model EO 100 1 PAGE 58 70 Instruction Manual doc nr MAN18206 Rev A PSC Fig 8 13 a Oil burner ignition electrodes Drawing 0160555 ...

Страница 59: ...ctrodes If electrode has to be replaced adjust ignition electrodes to conform to dimensions given in Burner drawing in binder The gap must be positioned as accurately as possible so that it is at the immediate edge of the nozzle spray Electrodes may be raised lowered or rotated by loosening the lock nuts attaching them to the mounting plate Install burner manifold to burner volute and tighten nuts...

Страница 60: ...N18206 Rev A PSC 9 4 AIR DAMPER ADJUSTMENT E 100 9 4 1 SECONDARY AIR DAMPER 1 2 3 Y 4 SPARE Part nr 0204920 FIG 001 1 See parts catalog 2 Bearing 3 0 90 90 0 DO NOT RETURN SCREW leave on Nr 0 4 Mounting plate motor E 100 MOUTING PLATE UB70330 5 Belimo motor 24v 0204920 2 3 4 5 1 ...

Страница 61: ...low fire Turning the screw clockwise increases pressure counterclockwise decreases 9 6 START BURNER Flue gas sampling should be taken from the centre and just below the cone in the stack adapter on the heater cover of the generator Drill a hole in the stack to allow the sampling tube to be inserted at this position Adjust the low fire adjustment screw until the measured CO O2 and NOx and soot fact...

Страница 62: ...6 P 1 C116 Display measurement 7 P 0 C117 Logic input not used 8 P 0 C118 Display remains on 9 P 0 C119 Pre alarm not used 10 P 100 AL LO 11 P 300 AL HI 12 P 0 OFFS 13 P 2 0 HYST1 14 P xxx AL Temp Alarm 15 P 10 ALD Diff temp alarm only for separator 16 P 0 6 DF Digital filter NOTE 1 adjust parameters with or keys to desired value Confirm by either waiting 1 second display blinks once or by pressin...

Страница 63: ...ired pressure See fig 8 21 9 9 MODULATION PRESSURE SWITCH F22 The modulating pressure switch is normally adjusted to modulate burner to low fire operation when steam pressure reaches 1 bar below maximum and return the burner to high fire operation when steam pressure drops about 0 8 bar below that point This adjustment can be raised or lowered in relation to maximum steam pressure but should never...

Страница 64: ...ternal ring with scale to the value which corresponds to 80 of normal blower pressure An indication arrow is provided on the internal ring With plant operating at high fire put a piece of carton over blower inlet until pressure decreases 20 Normally generator operation should be stopped If not adjust switch 1 External ring 2 Internal ring with indication arrow Fig 8 22 Air pressure switch 9 12 AIR...

Страница 65: ...s BEL RAY MOLYKOTE 0205812 SHELL TELLUS S3M NO TOX GEAR OIL 80 or L 0510FG Clayton PN 0202955 partnumber for 18 9 liter barrel ANTI WEAR LUBRICANT 30 drain pump thoroughly when drained oil is heavily polluted fill up pump with replacement oil operate pump at low capacity and low pressure for one hour and drain oil fill up pump with replacement oil and operate pump at normal condition for one week ...

Страница 66: ...ings The instructions contained in this document should be read and used together with the specific operation maintenance and safety instructions applicable to steam and or hot water and or high pressure units Consequently these instructions can also be applied to pipe connections and tubes to the users of the pressure equipment 11 1 2 SPECIFICATIONS AND DESIGN DATA Please refer to final QC docume...

Страница 67: ... the pressure equipment shall be made by qualified welders according to qualified procedures and those welds shall be inspected and tested per local Regulations or Codes Bolted connections shall be diametrically and gradually tightened with a calibrated torque wrench and torque load shall be appropriate for the bolt size and type Pre start up cleaning of the pressure equipment may be required prio...

Страница 68: ...quipment and every person working the area of this equipment must be trained to understand and use your facility s Energy Control Lockout Tagout Procedures Refresher training should be done periodically Local Regulations for operation of pressure equipment shall be observed 11 4 2 INITIAL START UP To minimise stresses thermal or other and to minimise or avoid water hammer initial cold start up sha...

Страница 69: ... Owner User inspector shall not perform inspections on equipment for which he has operation or maintenance responsibilities 11 6 2 IN SERVICE INSPECTION PROGRAM The Owner User Quality Control System shall include provisions to ensure that inspections are carried out in accordance with written procedures These procedures must delineate all sources and references of pertinent information to be furni...

Страница 70: ...fter performing maintenance Re install all guards shields covers and other safety devices Install all fasteners provided for attaching these devices to prevent accidental or unauthorized removal Make sure all guards shields covers and other protective devices i e electrical interlock or alarm have been installed before removing lockout protection Be sure all safety devices are in place when the eq...

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