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GB1406690A - Apparatus for removing water from fine particulate material - Google Patents

Apparatus for removing water from fine particulate material

Info

Publication number
GB1406690A
GB1406690A GB5931972A GB5931972A GB1406690A GB 1406690 A GB1406690 A GB 1406690A GB 5931972 A GB5931972 A GB 5931972A GB 5931972 A GB5931972 A GB 5931972A GB 1406690 A GB1406690 A GB 1406690A
Authority
GB
United Kingdom
Prior art keywords
valve
discs
drum
coal
zone
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
GB5931972A
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB5931972A priority Critical patent/GB1406690A/en
Priority to AU63721/73A priority patent/AU6372173A/en
Priority to DE2363302A priority patent/DE2363302A1/en
Publication of GB1406690A publication Critical patent/GB1406690A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
    • 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
    • B01D33/58—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
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/74—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
    • 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
    • B01D33/808—Accessories integrally combined with devices for controlling the filtration by pressure measuring
    • 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
    • B01D33/809—Accessories integrally combined with devices for controlling the filtration by temperature measuring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

1406690 Rotary filter with drying means COAL INDUSTRY (PATENTS) LTD 22 Dec 1972 59319/72 Heading BID [Also in Division F4] Coal slurry is picked up from a bath on an inward flow rotary filter drum or array of filter discs and carried thereon through a steam hood 4 to dry the coal, and the temperature of filtrate drawn out of the drum or discs above the slurry level is monitored and controls the steam supply to avoid wastage. The drum or discs are divided internally into sectors which are successively connected through zones 40-43 of valve 39 and flexible pipes 44, 46 with suction source 45 (zones 40, 41), atmosphere (zone 43) and reverse flow air supply (zone 42). Mercury in steel thermometer 62 extends into zone 41 of the valve, where filtrate drawn from sectors above the slurry level is collected, and is connected to temperature recorder 65 which controls main steam valve 27 via pneumatic signal line 66. The signal is cut by valve 67 if pressure monitor 72 detects a loss of suction in line 45, thus closing valve 27 if the filter drum/discs or coal coating thereon break. Meter 11 monitors the steam flow and cuts the supply to individual axially spaced sectors of the hood if the total flow is insufficient to dry all the coal layer. The reverse flow air supply to zone 42 of valve 39 is through pneumatically controlled valve (55), which is opened briefly, as each sector of the drum/discs moves wholly into the blow-off zone, by a pneumatic valve (47) controlled by a rotary disc (49) geared to the drum/discs. This action and scraper blade (61) removes the dried coal which falls onto a belt (59) whence it is removed by a reciprocating blade (60) (Fig 1 not shown). The flexible pipes (44, 46, 56) allow some angular adjustment of valve 39 to vary the positions of zones 40-43. Reference has been directed by the comptroller to Specification 1096164.
GB5931972A 1972-12-22 1972-12-22 Apparatus for removing water from fine particulate material Expired GB1406690A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB5931972A GB1406690A (en) 1972-12-22 1972-12-22 Apparatus for removing water from fine particulate material
AU63721/73A AU6372173A (en) 1972-12-22 1973-12-17 Removing water from fin particulate material
DE2363302A DE2363302A1 (en) 1972-12-22 1973-12-19 Steam heated rotary filter for coal slurries - dewatering improved by raising temp with steam, flow being controlled and steam box well sealed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5931972A GB1406690A (en) 1972-12-22 1972-12-22 Apparatus for removing water from fine particulate material

Publications (1)

Publication Number Publication Date
GB1406690A true GB1406690A (en) 1975-09-17

Family

ID=10483528

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5931972A Expired GB1406690A (en) 1972-12-22 1972-12-22 Apparatus for removing water from fine particulate material

Country Status (1)

Country Link
GB (1) GB1406690A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160435A (en) * 1984-06-19 1985-12-24 Simonacco Ltd A process for dewatering a coal slurry
WO2018036973A1 (en) * 2016-08-23 2018-03-01 Andritz Kmpt Gmbh Vacuum and/or pressure drum filter device
CN107963913A (en) * 2017-11-10 2018-04-27 中国天辰工程有限公司 The wash mill and washing methods of a kind of ulexite

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160435A (en) * 1984-06-19 1985-12-24 Simonacco Ltd A process for dewatering a coal slurry
WO2018036973A1 (en) * 2016-08-23 2018-03-01 Andritz Kmpt Gmbh Vacuum and/or pressure drum filter device
CN107963913A (en) * 2017-11-10 2018-04-27 中国天辰工程有限公司 The wash mill and washing methods of a kind of ulexite

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees