ZA708417B - Method and apparatus for steam drying filter cake - Google Patents

Method and apparatus for steam drying filter cake

Info

Publication number
ZA708417B
ZA708417B ZA708417A ZA708417A ZA708417B ZA 708417 B ZA708417 B ZA 708417B ZA 708417 A ZA708417 A ZA 708417A ZA 708417 A ZA708417 A ZA 708417A ZA 708417 B ZA708417 B ZA 708417B
Authority
ZA
South Africa
Prior art keywords
filter cake
steam drying
drying filter
steam
cake
Prior art date
Application number
ZA708417A
Other languages
English (en)
Inventor
R Emmett
D Dahlstrom
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 ZA708417B publication Critical patent/ZA708417B/xx

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)
  • Drying Of Solid Materials (AREA)
  • Treatment Of Sludge (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Filtration Of Liquid (AREA)
ZA708417A 1970-01-05 1970-12-14 Method and apparatus for steam drying filter cake ZA708417B (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
ZA708417B true ZA708417B (en) 1971-09-29

Family

ID=21692631

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA708417A ZA708417B (en) 1970-01-05 1970-12-14 Method and apparatus for steam drying filter cake

Country Status (10)

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

Families Citing this family (13)

* 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
AT398389B (de) * 1992-11-06 1994-11-25 Andritz Patentverwaltung Verfahren und anlage zur trennung von feststoff-flüssigkeit-mischungen
US6409929B2 (en) * 1992-11-11 2002-06-25 Bokela Ingenieurgesellschaft Fur Mechanische Verfahrenstechnik Mbh Steam drying of rotary filter cakes without crack formation
DE4238087C3 (de) * 1992-11-11 1997-12-04 Bokela Ing Gmbh Verfahren zur mechanischen Entfeuchtung eines Filterkuchens und Vorrichtung zur Durchführung des Verfahrens
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

Also Published As

Publication number Publication date
DE2064138B2 (de) 1974-01-10
DE2064138A1 (de) 1971-07-22
SE369676B (xx) 1974-09-16
NO128099B (xx) 1973-10-01
GB1291770A (en) 1972-10-04
JPS5039251B1 (xx) 1975-12-16
FR2074317A5 (xx) 1971-10-01
BR7100025D0 (pt) 1973-03-08
CA943077A (en) 1974-03-05
US3592341A (en) 1971-07-13
DE2064138C3 (de) 1974-08-01

Similar Documents

Publication Publication Date Title
CA921792A (en) Method and apparatus for making filter means
CA951190A (en) Method and apparatus for drying solvents
AU464423B2 (en) Method and apparatus for filtering solids
IL38210A (en) Method and apparatus for drying and sterilising excreta
ZA708417B (en) Method and apparatus for steam drying filter cake
JPS559794A (en) Method for drying tobacco and its device
AU468808B2 (en) Method for steam drying filter cake
ZA712764B (en) Filter apparatus with removable filter elements
AU3448871A (en) Drying apparatus
CA961777A (en) Apparatus for steam drying filter cake
HU174763B (hu) Sposob i apparat dlja sushenija zatora
ZA716459B (en) Freeze-drying process and apparatus
ZA715453B (en) Method and apparatus for cooking
ZA734799B (en) Method and apparatus for drying paper
CA965708A (en) Method for steam drying filter cake - ii
ZA703536B (en) Method and apparatus for filtering
AU424316B2 (en) Method and apparatus for drying solvents
ZA71715B (en) Process and apparatus for filtering suspensions
ZA722773B (en) Method and device for crush drying
AU466628B2 (en) Method and apparatus for steam drying filter cake
AU2317770A (en) Method and apparatus for steam drying filter cake
IL40546A0 (en) Methods and apparatus for making structural elements
IL36847A0 (en) An apparatus and process for preparing tobacco smoke filters
ZA717862B (en) Drying and sterilising apparatus
AU4420272A (en) Device for drying pulpy substances