GB1291770A - Method of and apparatus for drying filter cake in rotary vacuum filter apparatus - Google Patents

Method of and apparatus for drying filter cake in rotary vacuum filter apparatus

Info

Publication number
GB1291770A
GB1291770A GB61082/70A GB6108270A GB1291770A GB 1291770 A GB1291770 A GB 1291770A GB 61082/70 A GB61082/70 A GB 61082/70A GB 6108270 A GB6108270 A GB 6108270A GB 1291770 A GB1291770 A GB 1291770A
Authority
GB
United Kingdom
Prior art keywords
slurry
filter
steam
cake
foam
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
GB61082/70A
Other languages
English (en)
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.)
Envirotech Corp
Original Assignee
Envirotech Corp
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 Envirotech Corp filed Critical Envirotech Corp
Publication of GB1291770A publication Critical patent/GB1291770A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B01D33/66—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating
    • B01D33/663—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating by direct contact with a fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/68—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/804—Accessories integrally combined with devices for controlling the filtration
    • B01D33/807—Accessories integrally combined with devices for controlling the filtration by level measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/18—Heating or cooling the filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/38—Preventing rewetting of the filter cake on the filter media

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Sludge (AREA)
  • Drying Of Solid Materials (AREA)
  • Filtration Of Liquid (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
GB61082/70A 1970-01-05 1970-12-23 Method of and apparatus for drying filter cake in rotary vacuum filter apparatus Expired GB1291770A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69270A 1970-01-05 1970-01-05

Publications (1)

Publication Number Publication Date
GB1291770A true GB1291770A (en) 1972-10-04

Family

ID=21692631

Family Applications (1)

Application Number Title Priority Date Filing Date
GB61082/70A Expired GB1291770A (en) 1970-01-05 1970-12-23 Method of and apparatus for drying filter cake in rotary vacuum filter apparatus

Country Status (10)

Country Link
US (1) US3592341A (enExample)
JP (1) JPS5039251B1 (enExample)
BR (1) BR7100025D0 (enExample)
CA (1) CA943077A (enExample)
DE (1) DE2064138C3 (enExample)
FR (1) FR2074317A5 (enExample)
GB (1) GB1291770A (enExample)
NO (1) NO128099B (enExample)
SE (1) SE369676B (enExample)
ZA (1) ZA708417B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU666227B2 (en) * 1992-11-06 1996-02-01 Andritz-Patentverwaltungs-Gmbh Process and installation for the separation of solid-liquid-mixtures

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969247A (en) * 1975-06-20 1976-07-13 Envirotech Corporation Vacuum filtration process
DE2558794C3 (de) * 1975-12-24 1981-06-25 Bergwerksverband Gmbh, 4300 Essen Verfahren zum Entwässern von Suspensionen mittels mit Unterdruck arbeitender Filter und Filter zur Durchführung des Verfahrens
US4134835A (en) * 1977-03-31 1979-01-16 Envirotech Corporation Steam injection assembly for disc filter
US4293411A (en) * 1978-10-05 1981-10-06 Envirotech Corporation Steam seal for disc filter
DE3803370A1 (de) * 1988-02-05 1989-08-17 Aqualon Gmbh & Co Kg Verfahren zum abtrennen von celluloseethern aus einer celluloseethersuspension
DE4238087C3 (de) * 1992-11-11 1997-12-04 Bokela Ing Gmbh Verfahren zur mechanischen Entfeuchtung eines Filterkuchens und Vorrichtung zur Durchführung des Verfahrens
US6409929B2 (en) * 1992-11-11 2002-06-25 Bokela Ingenieurgesellschaft Fur Mechanische Verfahrenstechnik Mbh Steam drying of rotary filter cakes without crack formation
FI96580C (fi) * 1994-04-19 1996-07-25 Outokumpu Mintec Oy Laite suodatuskakun käsittelemiseksi
CN101637676B (zh) * 2009-03-26 2011-04-27 云南大红山管道有限公司 一种提高陶瓷过滤机过滤系数的工艺方法
CN104174204A (zh) * 2014-08-26 2014-12-03 陈亚锋 一种流体过滤方法和装置
CN105233616B (zh) * 2015-07-09 2018-02-02 江苏华星电力环保设备有限公司 一种脱硫石膏浆液的分离装置
DE102016115577A1 (de) * 2016-08-23 2018-03-01 Andritz Kmpt Gmbh Vakuum- und/oder Druck-Trommelfiltervorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1177572B (de) * 1963-05-16 1964-09-10 Harpener Bergbau Ag Verfahren und Vorrichtung zum Entwaessern von Kohlenschlaemmen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU666227B2 (en) * 1992-11-06 1996-02-01 Andritz-Patentverwaltungs-Gmbh Process and installation for the separation of solid-liquid-mixtures

Also Published As

Publication number Publication date
NO128099B (enExample) 1973-10-01
DE2064138C3 (de) 1974-08-01
SE369676B (enExample) 1974-09-16
CA943077A (en) 1974-03-05
BR7100025D0 (pt) 1973-03-08
ZA708417B (en) 1971-09-29
JPS5039251B1 (enExample) 1975-12-16
US3592341A (en) 1971-07-13
FR2074317A5 (enExample) 1971-10-01
DE2064138B2 (de) 1974-01-10
DE2064138A1 (de) 1971-07-22

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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