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Page 45

17. Maintenance

The HygroMatik steam injection humidifier is easy to maintain.

However, inadequate or improper maintenance can lead to oper-

ational malfunctions. Regular maintenance is essential so that

your steam injection humidifier achieves a long, trouble free life

span.

Warning:

when performing maintenance work please note:

•

The steam injection humidifier is only to be serviced by

qualified and authorised personnel.

•

Follow safety instructions.

•

Switch off the humidifier and protect against re-start. Allow

the humidifier to cool down.

•

After performing maintenance work have the steam injec-

tion humidifier checked for safe operation by qualified per-

sonnel.

The steam injection humidifier‘s performance and maintena nce

intervals d epend primarily upo n t he steam q uality and the

humidification volume sin ce the last maintena nce. Different

steam quality can shorten or lengthen maintenance intervals.

17.1 Maintenance work

recommendations on maint enance intervals are b ased exclu-

sively upon typical, empirically established values.

17.2 Strainer

Warning:

before beginning any maintenance procedure make

sure that the feed and drain are shut off and that the unit is cool

and not under pressure.

Maintenance „DDS Type A“

Loosen the screws (M12/M16) on the flange connection

(D) at the steam entry point.

Warning:

steam supply

and DDSystem should be fixed according to the

assembly instructions

Steam supply pipes should be pulled free of the entry

flange if possible.

If there is not enough room to exchange the filter then

de-install the separator.

Exchange filter (C) and seal (B).

Re-connect the flange with seal to the steam entry

point.

Check the flange for leakage after re-starting the sys-

tem.

See next section for maintenance materials

A B C D

Содержание DDS20

Страница 1: ...Steam Injection Humidifiers DDS for existing steam nets DDS ENZ DDS EN Manual...

Страница 2: ...installation and servicing of the electrical components of this unit to be performed by qualified electricians only Disconnect power supply before installation and servicing Copyright HygroMatik GmbH...

Страница 3: ...up safety switch 14 9 Steam Lances 15 9 1 Technical Data 16 9 2 Number of steam lances 16 10 Pressure Gauge Station 18 11 Ball Float Steam Trap 19 11 1 Function 19 11 2 Technical Data 20 11 2 1 KS Con...

Страница 4: ...Installation Examples 39 15 8 Steam Lance Heating System 41 15 9 Check List 42 16 Initial Operation 43 17 Maintenance 45 17 1 Maintenance work 45 17 2 Strainer 45 17 3 Ball float condensate drain 46...

Страница 5: ...Mail info badgermeter ch 1 1 Directions for Use Your HygroMatik steam injection humidifier makes use of exist ing live steam for humidification purposes Proper usage involves strict ad herence to ou...

Страница 6: ...ferences to other parts of the manual 2 1 Operational Safety Instructions Overview In the case of malfunction shut off steam supply and make sure it cannot be o pened by unauthorised pe rsonnel Correc...

Страница 7: ...ion Steam pipes are hot and care must be taken accord ingly Attention use only steam without chemical additives Attention S team su pply must be dimension ed so that the steam velocity does not exceed...

Страница 8: ...in special protective wrappings 3 2 Temporary storage The steam injection humidifier must be stored in a dr y and frost free area 3 3 Checking for correct and complete delivery On delivery please chec...

Страница 9: ...s reached ap prox 80 C Now th e main portion of the steam flo ws throug h the control valve 7 The amount of steam is reg ulated over the operation switch 11 Steam lances n 8 are flanged or screwed ont...

Страница 10: ...m flows through the inlet in the cylindrical version t ype C or the conical strainer type A and through the holes to the exit Foreign matter is retained by the strainer 5 1 Technical Data Strainer 12...

Страница 11: ...densate return This prevents droplets from being transported by the steam Steam is conveyed into the upper part of the separator chamber via a supply pipe 4 or directly to the valve A certain amount o...

Страница 12: ...e The control valve regu lates the steam quantity by means of the valve lift When the valve is closed the valve con e rests against the valve face When the valve rods lift the cone there is a resul ta...

Страница 13: ...safe function so that in the case of a power failure the control valve is reset into a safe position fully closed Pneumatic Actuator Pneumatic Actuators are controlled using compressed air e g 0 2 1ba...

Страница 14: ...is reached If the temperature remains below this level the fail safe function is triggered Pneumatic Start up safety switch The pn eumatic start up safety switch keep s an exhaust va lve open for co...

Страница 15: ...er have a n optimum heating effect on the steam lances With less pressu re the pre heating and re evaporation times may be lengthened Re evaporation In some cases condensate remains in the steam lance...

Страница 16: ...mm Weight kg h mm j mm Weight kg 1 218 338 0 88 218 345 1 54 1 5 392 512 1 14 392 519 1 97 2 568 688 1 40 568 695 2 39 3 838 958 1 80 838 965 3 03 4 1148 1268 2 26 1148 1275 3 78 5 1408 1528 2 65 1408...

Страница 17: ...ters such as pre def ined steam output existing or desired absorbtion distance or rise in humidity the inst allation of ad ditional lances may improve effi ciency Steam lance piping for multiple steam...

Страница 18: ...ps or fluctuations The HygroMatik Pressure gau ge st ation consist s of an u p to 200 C temperat ure tested tubular sprin g pre ssure g auge 0 6bar a T junction and a dual nipple Pressure gauge shut o...

Страница 19: ...condensate closes the thermost atic extractor but the con densate can continue to flow out through the valve Steam If steam enters the thermost atic extractor closes and the float descends until the v...

Страница 20: ...1 Stainless steel 1 4404 Float 2 Stainless Steel 1 4404 Flange seal 3 Soft seal 4 Adjust screw 5 Stainless Steel 1 4404 Housing 6 Stainless Steel 1 4404 Type Spirax Sarco FT14 4 5 Nominal pressure set...

Страница 21: ...in a cold condition Steam If condensate temperature app roaches st eam saturation tem perature due to the steam proximity capsule pressure becomes higher than the surrounding condensate The capsule ex...

Страница 22: ...max operating temperature 210 C Dimensions A 50 m m B 45 mm Materials Housing 1 Stainless Steel 1 4305 Cover 2 Stainless Steel1 4057 Capsule 3 Stainless Steel 1 4541 Spring 4 Stainless Steel 1 4300 Sp...

Страница 23: ...umidification output The grap hs he lp to de termine wheth er a T ype 20 or T ype 40 should be selected Type 20 up to approx 270 kg h Type 40 up to approx 770 kg h 13 2 Determining the control valve K...

Страница 24: ...um Kv Wert of the inst allation on the vertical axis The minimum Kvs Value for selcting the control valve is Kv 5 2 m h 10 Kvs 5 7 m h If this value is not present in table 6 4 then it is recommended...

Страница 25: ...Page 25 13 3 Separator Type 20 with one steam lance KVS Value m h Pressure bar Steam Output kg h Lance code...

Страница 26: ...Page 26 13 4 Separator Type 20 with multiple steam lances KVS Value m h Pressure bar steam output kg h Lance code...

Страница 27: ...Page 27 13 5 Separator Type 40 with one steam lance KVS Value m h Pressure bar steam output kg h Lance code...

Страница 28: ...Page 28 13 6 Separator Type 40 with multiple steam lances steam output kg h KVS Value m h Pressure bar Lance code...

Страница 29: ...rameters 3 0 normal absorption distance m 1 0m 2 8m s absorption distance ad 1 25m 2 0 2 5 1 0 0 5 1 5 result nr of steam lances 1 3 5 2 0 humidity sensor fine mesh filter downstream obstructions fact...

Страница 30: ...following writ ten pe rmission b y th e manufactu rer otherwise all guaran tees are null and void Individual packing should be opened at the installation site This can prevent damage to individual ite...

Страница 31: ...state of the art methods Steam pip ing must be inst alled inclined They must be fitted using a suitable pitch and suitable materials The piping holders must allow for la teral movement In more lengthy...

Страница 32: ...humification control is required for the operation of the humidi fier Th is is to be inst alled accord ing to the man ufacturers instructions We recommend the use of a Max Hygrost at in the safety cha...

Страница 33: ...uired It must be guaranteed the steam supplying the steam humidifier is as dry as possible Check that the steam supply lines are equipped with the necessary condensate drains The supply line for the s...

Страница 34: ...t an uncontrolled over humidification in the case of a power failure Dirt between the valve face and cone pre vent p roper closing Therefore install a filter directly in front of the separator Warning...

Страница 35: ...piece with a 1 2 exit in the condensate piping in front of the condensate drain A T piece with a 1 8 exit isalso installed in the control air piping A temperature sensor is screwed into the T piece i...

Страница 36: ...ultiple lance system position the lances so that there is an e ven steam d istribution o ver the d uct cross section and ensuring that the necessary duct wall distance is guaranteed HygroMatik can sup...

Страница 37: ...reduced by the difference m 30mm After the lance is positioned an angle is positioned on the oppo site duct wall side at the same height The screws are self tap ping Then the necessary threaded bar le...

Страница 38: ...necessary parts thereto are to be supplied on site After the lance has been in stalled the gap between duct outer wall and lance is closed using the two cover plates as supplied with the steam lances...

Страница 39: ...Page 39 15 7 Installation Examples Note If lan ces are positioned vertically th en the steam sup ply piping should have a n add itional float con trolled condensate drain...

Страница 40: ...nst all the lances p ointing vertically do wnwards T his would cause condensate to co llect in the st eam lance heating system On the other hand a ve rtical inst allation pointing upwards is possible...

Страница 41: ...etter heating heating effect Installation of the steam lance heating system follows the instal lation of the steam injection system including steam lances In accordance with the dimensions of the humi...

Страница 42: ...densate lines properly connected and secure Has th e entire steam supply line up to the contro l valve been checked for leaks Is the specified system pressure present Is the re a prop er filter fitted...

Страница 43: ...the steam injection humififier it is essential to know how to switch it off Close shut off valve on the steam supply to the separator If applicable also close the shut off valve to the separate steam...

Страница 44: ...ulated condensate in the steam supply is forced into the separator where it is fed into the condensate net work via the ball float steam trap Some of the dry steam in the top top part of the separator...

Страница 45: ...uality and the humidification volume sin ce the last maintena nce Different steam quality can shorten or lengthen maintenance intervals 17 1 Maintenance work recommendations on maint enance intervals...

Страница 46: ...d lock down with nut without damaging the seal Re fit cone and seal and fix at the separator base using C clamp Position new flange seal F at the bottom and fix with screw clamp to the separator Screw...

Страница 47: ...efore b eginning an y mainte nance operat ion make sure that the feed and drain are shut off and that the unit is cool under not under pressure Replacing Capsule Element Set When the unit is cold unsc...

Страница 48: ...s between valve cone and face prevent valve from closing properly Defective or falsely set Hygrostat or humidity sensor Actuator does not close properly Residual condensate evaporates in the steam lan...

Страница 49: ...t work properly Defective orunsuitable thermostatic capsule condensate drain attached to steam lance heating system Steam heating for steam lance hea ting system insufficient Install condensate drain...

Страница 50: ...nd disposed of following the in stallation procedures in reverse order Warning Dismantling the unit may only be done by trained and qualified personnel the electrical dismantling by trained electro pe...

Страница 51: ...System dimensions and Installation Schematic Steam injection system Type A stainless steel Steam Injection system Type C Mixed materials all dimensions in mm Standard dimensions 300 and 500 other grad...

Страница 52: ...ts f or M ST 2 1 X X E 4111800 ball float steam trap FT14 4 5TV female thread 1 2 cast iron E 4111794 ball float steam trap FTS14 4 5TV female thread 1 2 stainless steel X X E 4111804 seal graphite fo...

Страница 53: ...6 steam lance 40 Code 8 2317 mm fitting lenght X X E 4111068 steam lance 40 Code 9 2627 mm fitting lenght X X E 4111070 steam lance 40 Code 10 2937 mm fitting lenght X X E 4111072 steam lance 40 Code...

Страница 54: ...elivery quickly as possible in Weeks Delivery Address if different __________________________ __________________________ __________________________ __________________________ Please be sure to state u...

Страница 55: ......

Страница 56: ...12 2004...

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