GB863393A - Controlling scale formation in evaporators - Google Patents

Controlling scale formation in evaporators

Info

Publication number
GB863393A
GB863393A GB3151358A GB3151358A GB863393A GB 863393 A GB863393 A GB 863393A GB 3151358 A GB3151358 A GB 3151358A GB 3151358 A GB3151358 A GB 3151358A GB 863393 A GB863393 A GB 863393A
Authority
GB
United Kingdom
Prior art keywords
soaking
heat exchange
valves
section
plant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3151358A
Inventor
Peter Frost Hoddinott
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Davey Paxman and Co Ltd
Original Assignee
Davey Paxman and Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Davey Paxman and Co Ltd filed Critical Davey Paxman and Co Ltd
Priority to GB3151358A priority Critical patent/GB863393A/en
Publication of GB863393A publication Critical patent/GB863393A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G5/00—Cleaning by distortion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/0082—Regulation; Control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition

Abstract

<PICT:0863393/III/1> A multiple-effect evaporating plant of the vapour compression type is divided into a plurality of sections connected in parallel between a source of liquid to be evaporated and the inlet of a vapour compressor, and is provided with heat exchange elements connected in parallel with the outlet of the vapour compressor, means being provided for selectively isolating the sections and descaling the heat exchange element of an isolated section by cold-shocking or soaking without interrupting the operation of the entire plant. In the plant shown, for the distillation of pre-heated sea-water, the sections 1 are connected in parallel to each of lines 2, 3, 4 and 5 for brine suction, hot sea water feed, cold sea water feed, and drainage respectively. Each section 1 contains a heat exchange coil 8 between line 9 leading from the outlet of the compressor 7 and line 10 leading to a distilled water collector. The steam produced in each section is led off by line 6 to be compressed and utilized to heat the next charge of liquor before being removed from the plant. When any section is to be shocked valve 14 is opened and valves 15, 11, and 12 are closed. Valves 16, 13 and 14 are then operated to effect the shocking, after which a fresh charge of hot sea water is introduced and heated by heat exchange element 17 through which exhaust gases from a diesel or other engine are passed. Soaking is effected by closing valves 11, 12, 14, 15 and 16 and leaving a coil 8 to soak, after which element 17 restores the water to operating temperature. Soaking may precede shocking, if desired. Where soaking only need be effected the cold sea water feed 4 and valves 14 are omitted.
GB3151358A 1958-10-02 1958-10-02 Controlling scale formation in evaporators Expired GB863393A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3151358A GB863393A (en) 1958-10-02 1958-10-02 Controlling scale formation in evaporators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3151358A GB863393A (en) 1958-10-02 1958-10-02 Controlling scale formation in evaporators

Publications (1)

Publication Number Publication Date
GB863393A true GB863393A (en) 1961-03-22

Family

ID=10324198

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3151358A Expired GB863393A (en) 1958-10-02 1958-10-02 Controlling scale formation in evaporators

Country Status (1)

Country Link
GB (1) GB863393A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2211432A (en) * 1987-10-23 1989-07-05 Zabrzanskie Gwarectwo Weglowe Desalinating water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2211432A (en) * 1987-10-23 1989-07-05 Zabrzanskie Gwarectwo Weglowe Desalinating water

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