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GB1167257A - Methods of and Apparatus for Degasifying Liquid Suspensions - Google Patents

Methods of and Apparatus for Degasifying Liquid Suspensions

Info

Publication number
GB1167257A
GB1167257A GB55490/67A GB5549067A GB1167257A GB 1167257 A GB1167257 A GB 1167257A GB 55490/67 A GB55490/67 A GB 55490/67A GB 5549067 A GB5549067 A GB 5549067A GB 1167257 A GB1167257 A GB 1167257A
Authority
GB
United Kingdom
Prior art keywords
chamber
suspension
pipe
outlet
degasifying
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
GB55490/67A
Inventor
Nils Anders Lennart Wikdahl
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 GB1167257A publication Critical patent/GB1167257A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/26—De-aeration of paper stock

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Physical Water Treatments (AREA)
  • Paper (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

1,167,257. Degassing liquid suspensions; flash evaporators. N. A. L. WIKDAHL. 6 Dec., 1967 [15 Dec., 1966], No. 55490/67. Headings BIB and B1M. A method for degasifying aqueous suspensions of cellulosic fibres comprises continuously supplying the suspension via pipe 16 to a degasifying chamber 5 and distributing it as a flowing continuous film over the internal surface of chamber 5, maintaining within the chamber by means of a vacuum pump connected to outlet 25 a vacuum sufficient to cause boiling of the suspension at its existing temperature e.g. 100-140‹F which vapourises a portion of the water and releases gases from the suspension, condensing at least some of the water vapour by contact with skirt 30 sprayed with cooling liquid from annular shower head 35, removing condensate via outlet 28, removmg released gases via outlet 25 and separately removing the degasified suspension via outlet 13. Flexible diaphragm 18 can be moved up or down by introducing or moving water via pipe 21 from chamber 20 to adjust the circumferential outlet slot 19 at the top of pipe 16. In the embodiment of Fig. 2 (not shown) an adjustable venturi is situated at the top of pipe 16.
GB55490/67A 1966-12-15 1967-12-06 Methods of and Apparatus for Degasifying Liquid Suspensions Expired GB1167257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE17181/66A SE331946B (en) 1966-12-15 1966-12-15

Publications (1)

Publication Number Publication Date
GB1167257A true GB1167257A (en) 1969-10-15

Family

ID=20303342

Family Applications (1)

Application Number Title Priority Date Filing Date
GB55490/67A Expired GB1167257A (en) 1966-12-15 1967-12-06 Methods of and Apparatus for Degasifying Liquid Suspensions

Country Status (14)

Country Link
US (1) US3494101A (en)
JP (1) JPS4936187B1 (en)
AT (1) AT278504B (en)
BE (1) BE707918A (en)
BG (1) BG15770A3 (en)
CH (1) CH459151A (en)
DE (1) DE1619942B2 (en)
ES (2) ES348323A1 (en)
FI (1) FI51906C (en)
FR (1) FR1549672A (en)
GB (1) GB1167257A (en)
NL (1) NL6717105A (en)
SE (1) SE331946B (en)
SU (1) SU660569A3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111632407A (en) * 2020-06-30 2020-09-08 南京保立隆包装机械有限公司 Liquid film maker and working method thereof

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4140500A (en) * 1977-11-30 1979-02-20 Enso-Gutzeit Osakeyhtio Means for separating gas from a liquid suspension
ES2743610T3 (en) * 2005-12-21 2020-02-20 Sulzer Management Ag Static degassing procedure of a liquid containing polymers
DE102007037941A1 (en) * 2007-08-11 2009-02-19 Tuchenhagen Dairy Systems Gmbh Degassing liquid food such as dairy milk, cream or ultra-high temperature milk, comprises supplying total flow of gas-loaded product to an inlet of distributing pipe, so that partial flow of gas-loaded product is converted and/or branched
DE202007019361U1 (en) 2007-08-11 2012-03-14 Gea Tds Gmbh Device for degassing a liquid product, in particular liquid food
DE102010003849A1 (en) 2010-04-12 2011-10-13 Voith Patent Gmbh Method for degassing liquid to fibrous material suspension in closed degassing container placed under vacuum, involves introducing oscillations into fibrous material suspension to be degassed by multiple vibrators
US8888898B1 (en) 2012-07-30 2014-11-18 Google Inc. Vacuum filling and degasification system
CN107313116B (en) * 2016-04-26 2023-04-07 兰州蓝星纤维有限公司 Exhaust device for wet spinning nozzle and using method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US945640A (en) * 1909-09-09 1910-01-04 Paul Thelen Apparatus for evaporating liquids.
US2428045A (en) * 1942-04-09 1947-09-30 Cornell Res Foundation Inc Liquid treating apparatus
US2751031A (en) * 1953-05-21 1956-06-19 Clark & Vicario Corp Conditioning paper-making stock
US2876860A (en) * 1956-11-13 1959-03-10 Clark & Vicario Corp De-aerating hydrocyclones
US3010692A (en) * 1959-11-20 1961-11-28 Robertson Co H H Expansible conical plug valve
US3214903A (en) * 1963-03-14 1965-11-02 Buehler Corp Jet boat nozzle
US3355364A (en) * 1965-09-22 1967-11-28 Hammond Roland Philip Plural conduit flash film evaporator for distilling and condensing sea water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111632407A (en) * 2020-06-30 2020-09-08 南京保立隆包装机械有限公司 Liquid film maker and working method thereof

Also Published As

Publication number Publication date
SE331946B (en) 1971-01-18
FI51906B (en) 1977-01-31
CH459151A (en) 1968-07-15
US3494101A (en) 1970-02-10
FI51906C (en) 1977-05-10
BE707918A (en) 1968-04-16
JPS4936187B1 (en) 1974-09-28
BG15770A3 (en) 1972-05-20
AT278504B (en) 1970-02-10
ES354797A1 (en) 1969-11-01
NL6717105A (en) 1968-06-17
FR1549672A (en) 1968-12-13
ES348323A1 (en) 1969-03-01
DE1619942A1 (en) 1970-09-24
SU660569A3 (en) 1979-04-30
DE1619942B2 (en) 1971-03-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee