GB487236A - An improved method of operating an evaporator - Google Patents

An improved method of operating an evaporator

Info

Publication number
GB487236A
GB487236A GB34551/36A GB3455136A GB487236A GB 487236 A GB487236 A GB 487236A GB 34551/36 A GB34551/36 A GB 34551/36A GB 3455136 A GB3455136 A GB 3455136A GB 487236 A GB487236 A GB 487236A
Authority
GB
United Kingdom
Prior art keywords
steam
transfer
heat
per cent
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
GB34551/36A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB487236A publication Critical patent/GB487236A/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
    • B01D1/14—Evaporating with heated gases or vapours or liquids in contact with the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/0082—Regulation; Control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06—Flash distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

In an improved method of operating an evaporator, steam is introduced into the interior of externally heated tubes traversed by the solution to be evaporated, the quantity of steam being in excess of that necessary to raise the heat-transfer figure between the tube wall and the solution to the maximum attainable during steam injection, and the steam is then suddenly shut off. It is stated that after this the evaporator operates with a heat-transfer figure higher than the maximum attainable during steam injection. If the amount of steam injected is 8 per cent of the steam generated within the tube the heat-transfer figure rises about 50 per cent above the figure obtained in normal operation. This is the highest attainable with steam injection. If the amount of steam is increased to 59 per cent the heat-transfer figure falls but if the steam is shut off suddenly the transfer figure rises about 100 per cent above its value before steam injection.
GB34551/36A 1936-03-12 1936-12-16 An improved method of operating an evaporator Expired GB487236A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE487236X 1936-03-12

Publications (1)

Publication Number Publication Date
GB487236A true GB487236A (en) 1938-06-16

Family

ID=6543573

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34551/36A Expired GB487236A (en) 1936-03-12 1936-12-16 An improved method of operating an evaporator

Country Status (2)

Country Link
FR (1) FR819096A (en)
GB (1) GB487236A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3336967A (en) * 1963-12-23 1967-08-22 Procter & Gamble Soap drying process
US3409515A (en) * 1966-03-30 1968-11-05 Artisan Ind Method of stripping volatile constituents from a mixture
US4124438A (en) * 1974-09-11 1978-11-07 Ekono Oy Method of and apparatus for improving the heat exchange in natural-circulation and flow-through evaporators

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3336967A (en) * 1963-12-23 1967-08-22 Procter & Gamble Soap drying process
US3409515A (en) * 1966-03-30 1968-11-05 Artisan Ind Method of stripping volatile constituents from a mixture
US4124438A (en) * 1974-09-11 1978-11-07 Ekono Oy Method of and apparatus for improving the heat exchange in natural-circulation and flow-through evaporators

Also Published As

Publication number Publication date
FR819096A (en) 1937-10-09

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