GB1395378A - Filmtype evaporator - Google Patents

Filmtype evaporator

Info

Publication number
GB1395378A
GB1395378A GB3592272A GB3592272A GB1395378A GB 1395378 A GB1395378 A GB 1395378A GB 3592272 A GB3592272 A GB 3592272A GB 3592272 A GB3592272 A GB 3592272A GB 1395378 A GB1395378 A GB 1395378A
Authority
GB
United Kingdom
Prior art keywords
tubes
packing
tube
water
evaporator
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
GB3592272A
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.)
Aqua Chem Inc
Original Assignee
Aqua Chem Inc
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 Aqua Chem Inc filed Critical Aqua Chem Inc
Publication of GB1395378A publication Critical patent/GB1395378A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D5/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
    • F28D5/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation in which the evaporating medium flows in a continuous film or trickles freely over the conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/04—Evaporators with horizontal tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/06—Arrangements for sealing elements into header boxes or end plates by dismountable joints
    • F28F9/14—Arrangements for sealing elements into header boxes or end plates by dismountable joints by force-joining
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/124—Water desalination

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

1395378 Coupling pipes to plates AQUACHEM Inc 1 Aug 1972 [2 Aug 1971] 35922/72 Heading F2G [Also in Division B1] In a film-type evaporator in which water-tobe-desalinated is sprayed from heads 20 on to a bundle of tubes 16 which are supplied through conduit 26 with hot water-vapour in order to vaporize water from the films flowing over the outside of the tubes, the ends of the tubes extend with clearance into holes 35 in tubesheets 17, 18, and the space between each tube and the circumference of the associated hole is occupied with fibrous packing 38 which absorbs water and swells to enhance the seal between the tube and the tube-sheet. The wall thickness of the dry packing may be 0À025 inch. The packing may comprise densely packed paper impregnated with a minor amount of water-insoluble resin or sizing. Vulcanized fibre tubing may also be used as packing. The evaporation may be carried out at temperatures up to 250‹ F., but is preferably carried out under reduced pressure. The evaporator may comprise part of a multiple-effect system. The tubes 16 may be fluted internally and externally (Fig. 6, not shown). Since the packing inhibits electrolytic corrosion between the tubes and the tube sheets, inexpensive metal such as plain carbon steels can be used as tube sheets in combination with tubes of copper alloy, titanium or stainless steel.
GB3592272A 1971-08-02 1972-08-01 Filmtype evaporator Expired GB1395378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16796971A 1971-08-02 1971-08-02

Publications (1)

Publication Number Publication Date
GB1395378A true GB1395378A (en) 1975-05-29

Family

ID=22609558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3592272A Expired GB1395378A (en) 1971-08-02 1972-08-01 Filmtype evaporator

Country Status (9)

Country Link
JP (1) JPS4848377A (en)
AU (1) AU459738B2 (en)
CA (1) CA968697A (en)
DE (1) DE2238045A1 (en)
ES (1) ES405465A1 (en)
FR (1) FR2149816A5 (en)
GB (1) GB1395378A (en)
IT (1) IT963626B (en)
NL (1) NL7210543A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150650A (en) * 1983-11-14 1985-07-03 Timber Res Dev Ass Sealing shroud
DE4101031A1 (en) * 1990-01-18 1991-07-25 El Allawy Mohamed Magdy Horizontal spray-film evaporator - evaporator tubes in tube bundles are easily withdrawn from evaporator housing
US8756944B2 (en) 2010-04-07 2014-06-24 Bestrong International Limited Means, method and system for heat exchange

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5713195Y2 (en) * 1977-06-03 1982-03-16
IT1144497B (en) * 1981-06-12 1986-10-29 Mc Quay Europa Spa DIRECT EXPANSION EVAPORATOR EASY TO CLEAN IN PARTICULAR FOR WATER REFRIGERATION

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2150650A (en) * 1983-11-14 1985-07-03 Timber Res Dev Ass Sealing shroud
DE4101031A1 (en) * 1990-01-18 1991-07-25 El Allawy Mohamed Magdy Horizontal spray-film evaporator - evaporator tubes in tube bundles are easily withdrawn from evaporator housing
US8756944B2 (en) 2010-04-07 2014-06-24 Bestrong International Limited Means, method and system for heat exchange

Also Published As

Publication number Publication date
FR2149816A5 (en) 1973-03-30
NL7210543A (en) 1973-02-06
AU459738B2 (en) 1975-04-10
ES405465A1 (en) 1975-07-16
AU4531772A (en) 1974-02-07
DE2238045A1 (en) 1973-02-15
CA968697A (en) 1975-06-03
IT963626B (en) 1974-01-21
JPS4848377A (en) 1973-07-09

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees