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GB2254011A - Method of and apparatus for purifying a liquid - Google Patents

Method of and apparatus for purifying a liquid

Info

Publication number
GB2254011A
GB2254011A GB9104983A GB9104983A GB2254011A GB 2254011 A GB2254011 A GB 2254011A GB 9104983 A GB9104983 A GB 9104983A GB 9104983 A GB9104983 A GB 9104983A GB 2254011 A GB2254011 A GB 2254011A
Authority
GB
United Kingdom
Prior art keywords
vapour
fan
cooling coil
refrigeration circuit
liquid
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.)
Withdrawn
Application number
GB9104983A
Other versions
GB9104983D0 (en
Inventor
Gordon Edwin Littleford
Richard Andrew Cushing
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.)
Kerry Ultrasonics Ltd
Original Assignee
Kerry Ultrasonics 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 Kerry Ultrasonics Ltd filed Critical Kerry Ultrasonics Ltd
Publication of GB9104983D0 publication Critical patent/GB9104983D0/en
Publication of GB2254011A publication Critical patent/GB2254011A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/027—Condenser control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0033—Other features
    • B01D5/0039—Recuperation of heat, e.g. use of heat pump(s), compression
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0033—Other features
    • B01D5/0051—Regulation processes; Control systems, e.g. valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Physical Water Treatments (AREA)

Abstract

In a solvent recovery system, especially for use in ultrasonic cleaning systems, a contaminated liquid (12) is boiled in a sump by electric heating means (14), creating a vapour zone (16) in which a cooling coil (18) is positioned. The cooling coil is part of a refrigeration circuit which includes a heat exchanger (20) incorporating a fan (22). The vapour height is maintained substantially constant in operation by monitoring the temperature in the refrigeration circuit and/or vapour zone, e.g. at the inlet (25) and outlet (26) of the container, and controlling the operation of the fan (22) in response thereto.
GB9104983A 1989-07-13 1991-03-08 Method of and apparatus for purifying a liquid Withdrawn GB2254011A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898916081A GB8916081D0 (en) 1989-07-13 1989-07-13 Methods of and apparatus for purifying a liquid
PCT/GB1990/001085 WO1991000761A1 (en) 1989-07-13 1990-07-13 Method of and apparatus for purifying a liquid

Publications (2)

Publication Number Publication Date
GB9104983D0 GB9104983D0 (en) 1991-04-24
GB2254011A true GB2254011A (en) 1992-09-30

Family

ID=10660010

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898916081A Pending GB8916081D0 (en) 1989-07-13 1989-07-13 Methods of and apparatus for purifying a liquid
GB9104983A Withdrawn GB2254011A (en) 1989-07-13 1991-03-08 Method of and apparatus for purifying a liquid

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898916081A Pending GB8916081D0 (en) 1989-07-13 1989-07-13 Methods of and apparatus for purifying a liquid

Country Status (3)

Country Link
EP (1) EP0434805A1 (en)
GB (2) GB8916081D0 (en)
WO (1) WO1991000761A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634198A1 (en) * 1993-07-08 1995-01-18 Agfa-Gevaert N.V. Installation for controlling the underpressure in an evaporator apparatus
EP0979670A1 (en) * 1998-08-13 2000-02-16 Flair Filtration & Drying B.V. Apparatus for removing condensable material from a gas

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642583A (en) * 1970-08-03 1972-02-15 Anti Pollution Systems Treatment of sewage and other contaminated liquids with recovery of water by distillation and oxidation
DE2451361A1 (en) * 1974-10-29 1976-05-06 Jakob Coolant circulation in refrigerator of cold-storage plant - controlled drive-motor speeds maintain constant temperature at expansion valve
GB1573553A (en) * 1977-05-30 1980-08-28 Stevens C Apparatus for purifying a liquid
US4299663A (en) * 1980-04-21 1981-11-10 Mccord James W Vapor generating device
EP0236813A2 (en) * 1986-03-07 1987-09-16 EBRO Electronic GmbH Method and apparatus for the vacuum evaporation of a component mixture
GB2212604A (en) * 1987-11-13 1989-07-26 Toshiba Kk External heat exchange unit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642583A (en) * 1970-08-03 1972-02-15 Anti Pollution Systems Treatment of sewage and other contaminated liquids with recovery of water by distillation and oxidation
DE2451361A1 (en) * 1974-10-29 1976-05-06 Jakob Coolant circulation in refrigerator of cold-storage plant - controlled drive-motor speeds maintain constant temperature at expansion valve
GB1573553A (en) * 1977-05-30 1980-08-28 Stevens C Apparatus for purifying a liquid
US4299663A (en) * 1980-04-21 1981-11-10 Mccord James W Vapor generating device
EP0236813A2 (en) * 1986-03-07 1987-09-16 EBRO Electronic GmbH Method and apparatus for the vacuum evaporation of a component mixture
GB2212604A (en) * 1987-11-13 1989-07-26 Toshiba Kk External heat exchange unit

Also Published As

Publication number Publication date
WO1991000761A1 (en) 1991-01-24
GB8916081D0 (en) 1989-08-31
GB9104983D0 (en) 1991-04-24
EP0434805A1 (en) 1991-07-03

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)