Flo Fab FFWP Series Скачать руководство пользователя страница 11 | Manualshive

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Flo Fab FFWP Series Скачать руководство пользователя страница 11

SINCE 1981

10

PLATE AND FrAME - HEAT ExCHANgErS

3.4 Storage

If the heat exchanger is to be placed in long term storage, the following steps should be taken;

• Store heat exchanger in a closed room at 60 to 70 degrees F

• The heat exchanger tightening bolts and plate pack shall be completely un-tightened and

stress free.

• The heat exchanger should be totally covered in black plastic to prevent light and dirt from

adversely affecting the gaskets.

• Avoid heat, ultraviolet and welding light.

• Apply a rust preventative to all machined carbon steel parts including bolts and flanged faces.

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Содержание FFWP Series

Страница 1: ...SINCE 1981 www flofab com 001 iom 2017 heffwp Heat Exchangers Series FFWP FFWPDW Operation Maintenance Installation Manual...

Страница 2: ...fabrication designs and patterns from IDEALCO a manufacturer of shell and tube type heat exchangers The after sales services sales engineering R D production quality control accounting and administrat...

Страница 3: ...e retaining frame and compressed to form two separate systems of channels for two media to flow in a countercurrent direction The lattice structure causes vigorous turbulence thus ensuring maximum hea...

Страница 4: ...ing in one piece no seams or welds Most plates have four holes punched one in each corner The last plate in a single pass unit has no holes so the fluid flow is reversed or turned Multiple pass heat e...

Страница 5: ...sistance and also forms a liquid stream that is subject to extensive tur bulence resulting in a high heat transfer coefficient as well as reducing the risk of deposits on the heat transfer surface The...

Страница 6: ...nged in an alternating pattern of left hand flow and right hand flow to direct the fluids in an opposing direction within the in the heat exchanger The completed assembly of all the plates and gaskets...

Страница 7: ...plate pack in which the two heat exchanging media flow in a counter current direction The circular portion of the gasket stops the fluid from going across the heat transfer plate and sends it to the n...

Страница 8: ...d be strong enough so no settling occurs that can cause a loading strain on the connections The heat exchanger must be Installed with clea rance on both sides for maintenance Under spe cial circumstan...

Страница 9: ...plate heat exchanger is installed in a situation having zero tolerance for process fluids being on the floor a liquid retaining drip pan with a volume capacity equal to the heat exchanger shall be mou...

Страница 10: ...changer has connections on the moveable cover there are special piping The moveable cover is not fixed so it s nozzles can withstand less loading than the nozzles on the fixed cover The unit may be su...

Страница 11: ...oom at 60 to 70 degrees F The heat exchanger tightening bolts and plate pack shall be completely un tightened and stress free The heat exchanger should be totally covered in black plastic to prevent l...

Страница 12: ...the valve located at the outlet connection 3 Open the vent valve 4 Start the pump 5 Open the valve between the pump and the inlet to the heat exchanger very slowly 6 When all the air is bled from the...

Страница 13: ...epeat this procedure for the other fluid side If the heat exchanger is to be out of service for an extended period of time or requires mainte nance vent and drain the heat exchanger Prior to storage r...

Страница 14: ...hide or other equivalent grease for lubri cation 3 Remove the safety shield from the unit 4 To keep the plates in the proper order when re moving them they can either be sequentially mar ked as they a...

Страница 15: ...ow removed as follows Move the bottom end of the heat transfer plate diagonally back until it s lower end is clear of the lower guide bar Rotate the bottom end of the plate outward until it s side is...

Страница 16: ...lti pass plate arrangement 1 Check that all sealing surfaces are clean 2 Check that the sealing surface at the connections are smooth and free from burrs or debris 3 Install the plates one at a time w...

Страница 17: ...bolt pairs contra ry to the opening procedure During the tightening process the distance between the fixed and mo veable cover measured at all points shall differ more than to 8 During tightening chec...

Страница 18: ...foreign materials remain that could cause the gasket to seat im properly 3 Secure the new gasket to the plate by sliping the gas ket tabs under the edge of the plate Note that there are two tabs at ea...

Страница 19: ...ket up with the groove and press it in 9 A gasket s dimensions may change slightly after forming If gaskets are too short they must be stretched by pulling prior to installation and gaskets that are l...

Страница 20: ...ged plate typically must be removed from the heat exchanger and either repaired or replaced Mark the leaking plate open the heat exchanger in accordance with Section 5 1 remove the plate and replace i...

Страница 21: ...on If the unit is piped up incorrectly immediate cross contamination or mixing of fluids will occur SOLUTION Check the setting plan of the heat exchanger to verify it is piped correctly Shut down the...

Страница 22: ...ks or leaks The damaged connections should be either repaired or replaced Close up the heat exchanger in accordance with section 5 2 SYMPTOM The pressure drop across the heat exchanger is higher than...

Страница 23: ...a tions of calcium carbonate calcium sulphate and or silicates in the water SOLUTION The scale build up can be removed by either chemically cleaning in place CIP or by opening the heat exchanger and p...

Страница 24: ...based solvent such as kerosene and then rinsed with water Thegaskets can be damaged by exposure to these solvents so limit cleaning time to one half hour or less FOULING TYPE GROSS Plugging or gross...

Страница 25: ...han 300 ppm Gaskets will be harmed if fluids such as ketones halogenated hydrocarbons aromatics and esters are used as cleaning agents 7 3 Cleaning In Place One method of keeping a unit prone to clogg...

Страница 26: ...Place CIP with cleaning agents is recomended for applications where frequent fouling of the heat transfer plates occurs When the application is extremely corrosive cleaning in place can prolong the li...

Страница 27: ...d Heat Exchanger Model Serial Number Complete Plate Pack Required Yes No Complete Gasket Set Yes No or No Plates Required No Gaskets Required If individual heat transfer plates or gaskets are required...

Страница 28: ...e Worth Florida USA 33467 5749 Toronto Canada Tel 1 647 544 2995 www flofab com SERVICE 24 7 parts flofab com Rutgers University Apartments 604 Bartholomew Road Piscataway NJ 08854 Cit du Nouveau Mond...

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