GB1217276A - Improvements in or relating to falling film evaporators - Google Patents

Improvements in or relating to falling film evaporators

Info

Publication number
GB1217276A
GB1217276A GB2630968A GB2630968A GB1217276A GB 1217276 A GB1217276 A GB 1217276A GB 2630968 A GB2630968 A GB 2630968A GB 2630968 A GB2630968 A GB 2630968A GB 1217276 A GB1217276 A GB 1217276A
Authority
GB
United Kingdom
Prior art keywords
tube
liquid
film
duct
outlet
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
GB2630968A
Inventor
Keith Henry Garrett
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.)
BRITISH LAUNDERERS RES ASS
DYERS AND CLEANERS RES ORGANIS
Original Assignee
BRITISH LAUNDERERS RES ASS
DYERS AND CLEANERS RES ORGANIS
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 BRITISH LAUNDERERS RES ASS, DYERS AND CLEANERS RES ORGANIS filed Critical BRITISH LAUNDERERS RES ASS
Priority to GB2630968A priority Critical patent/GB1217276A/en
Publication of GB1217276A publication Critical patent/GB1217276A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

1,217,276. Evaporators, film-type. BRITISH LAUNDERERS' RESEARCH ASSOCIATION AND DYERS & CLEANERS RESEARCH ORGANISATION Ltd. 29 April, 1969 [31 May, 1968], No. 26309/68. Heading B1B. Liquid is evaporated by feeding it through inlet 11 into the evaporator shown, wherein the liquid flows through vertical slots in weir 8 and then flows in film-form down the inner surface of vertical tube 1 which is heated by steam-jacket 2 and leads to an outlet duct 20, 21 forming a U-tube with tube 1. A predetermined level of liquid is maintained in tube 1 by opening the valve 22-25 located at the corresponding level of duct 21, e.g. liquidlevel 29 corresponds to valve 24 being open. Some of the liquid is evaporated from the falling-film, and some from the body of liquid in the lower part of tube 1. As a result, any unevaporated droplets fall to the gottom of tube 1 and are subject to a further evaporation process. The vapours pass through steel-mesh demister 12 and outlet-duct 15 to a condenser. Unevaporated liquid is discharged through outlet 28. An example relates to a feed mixture comprising perchloroethylene containing 3% oily soil and 0.4% of a detergent.
GB2630968A 1968-05-31 1968-05-31 Improvements in or relating to falling film evaporators Expired GB1217276A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2630968A GB1217276A (en) 1968-05-31 1968-05-31 Improvements in or relating to falling film evaporators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2630968A GB1217276A (en) 1968-05-31 1968-05-31 Improvements in or relating to falling film evaporators

Publications (1)

Publication Number Publication Date
GB1217276A true GB1217276A (en) 1970-12-31

Family

ID=10241622

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2630968A Expired GB1217276A (en) 1968-05-31 1968-05-31 Improvements in or relating to falling film evaporators

Country Status (1)

Country Link
GB (1) GB1217276A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2354961A1 (en) * 1976-06-18 1978-01-13 Bertrams Ag Hch MULTI-STAGE APPARATUS FOR CONCENTRATING SULFURIC ACID AND PROCESS FOR ITS IMPLEMENTATION

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2354961A1 (en) * 1976-06-18 1978-01-13 Bertrams Ag Hch MULTI-STAGE APPARATUS FOR CONCENTRATING SULFURIC ACID AND PROCESS FOR ITS IMPLEMENTATION

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