DE59903515D1 - Process for dewatering ash - Google Patents

Process for dewatering ash

Info

Publication number
DE59903515D1
DE59903515D1 DE59903515T DE59903515T DE59903515D1 DE 59903515 D1 DE59903515 D1 DE 59903515D1 DE 59903515 T DE59903515 T DE 59903515T DE 59903515 T DE59903515 T DE 59903515T DE 59903515 D1 DE59903515 D1 DE 59903515D1
Authority
DE
Germany
Prior art keywords
ash
dewatering
sump
furnace
dewatering ash
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 - Lifetime
Application number
DE59903515T
Other languages
German (de)
Inventor
Karl Bleckmann
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.)
Babcock Borsig Service GmbH
Original Assignee
BBP Service GmbH
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 BBP Service GmbH filed Critical BBP Service GmbH
Application granted granted Critical
Publication of DE59903515D1 publication Critical patent/DE59903515D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J1/00—Removing ash, clinker, or slag from combustion chambers
    • F23J1/02—Apparatus for removing ash, clinker, or slag from ash-pits, e.g. by employing trucks or conveyors, by employing suction devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/26—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by reciprocating or oscillating conveyors propelling materials over stationary surfaces; with movement performed by reciprocating or oscillating shelves, sieves, or trays
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2700/00—Ash removal, handling and treatment means; Ash and slag handling in pulverulent fuel furnaces; Ash removal means for incinerators
    • F23J2700/001—Ash removal, handling and treatment means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
    • F23J2900/01005—Mixing water to ash

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing Of Solid Wastes (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Saccharide Compounds (AREA)

Abstract

Ash from a powdered coal - fired furnace is cooled on leaving the furnace, in a wet sump (2) and the ash, containing up to 50% w/w moisture, is removed from the sump and dewatered in a vibratory sieve unit (14) prior to discharging for further processing.
DE59903515T 1998-07-10 1999-07-02 Process for dewatering ash Expired - Lifetime DE59903515D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19830943A DE19830943B4 (en) 1998-07-10 1998-07-10 Process for dewatering ash

Publications (1)

Publication Number Publication Date
DE59903515D1 true DE59903515D1 (en) 2003-01-09

Family

ID=7873613

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19830943A Expired - Fee Related DE19830943B4 (en) 1998-07-10 1998-07-10 Process for dewatering ash
DE59903515T Expired - Lifetime DE59903515D1 (en) 1998-07-10 1999-07-02 Process for dewatering ash

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19830943A Expired - Fee Related DE19830943B4 (en) 1998-07-10 1998-07-10 Process for dewatering ash

Country Status (6)

Country Link
EP (1) EP0971170B1 (en)
AT (1) ATE228630T1 (en)
DE (2) DE19830943B4 (en)
DK (1) DK0971170T3 (en)
ES (1) ES2188066T3 (en)
PT (1) PT971170E (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005048960B4 (en) * 2005-10-13 2007-12-06 Schauenburg Maschinen- Und Anlagen-Bau Gmbh Process for dewatering an ash / water mixture and dewatering plant
DE102005048959B4 (en) * 2005-10-13 2008-04-10 Schauenburg Maschinen- Und Anlagen-Bau Gmbh Process for processing ash
CN102287838B (en) * 2011-08-08 2013-03-20 鞍钢集团矿业公司 Slag removal box of heavy frame chain slag remover
CN104162479A (en) * 2014-06-12 2014-11-26 煤炭工业济南设计研究院有限公司 Movable sieve waste rock discharge system slime water treatment process and device
WO2017092777A1 (en) 2015-12-03 2017-06-08 Kronos International, Inc. Method and device for improved solid-liquid filtration of filter cakes
RU191125U1 (en) * 2019-03-19 2019-07-25 Федеральное государственное бюджетное образовательное учреждение высшего образования "Ульяновский государственный аграрный университет имени П.А. Столыпина" DEVICE FOR GRAIN DRYING

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2325923C2 (en) * 1970-01-22 1982-04-01 Deutsche Babcock Ag, 4200 Oberhausen Wet ashtray for coal dust combustion chambers
DE2812003A1 (en) * 1978-03-18 1979-09-20 Ver Kesselwerke Ag Hot slat, esp. from waste incinerator, is cooled in trough - with water recycled back to trough after cooling and filtering
DE2856431A1 (en) 1978-12-28 1980-07-31 Schauenburg Masch Sand dewatering and desliming - in Dorrtyde thickener and vibratory dewatering screen
CA1145617A (en) * 1979-11-16 1983-05-03 Combustion Engineering, Inc. Pretreatment to dewater bottom ash from a stem generator firing solid fuels
DE3013668C2 (en) * 1980-04-09 1982-11-18 Schauenburg Maschinen- und Anlagen-Bau GmbH, 4330 Mülheim Device for the wet processing and dewatering of sand
US4503783A (en) * 1983-07-11 1985-03-12 General Kinematics Corporation Furnace ash air seal
DE4041381C1 (en) * 1990-12-21 1992-01-09 Martin Gmbh Fuer Umwelt- Und Energietechnik, 8000 Muenchen, De Slag dewatering chute - has water acting as pusher with fitted disbalancing generator
JPH1038250A (en) * 1996-07-24 1998-02-13 Mitsui Eng & Shipbuild Co Ltd Thermally decomposed residue separating device in waste treatment equipment

Also Published As

Publication number Publication date
EP0971170A3 (en) 2000-03-01
DE19830943B4 (en) 2010-09-09
ES2188066T3 (en) 2003-06-16
PT971170E (en) 2003-04-30
DK0971170T3 (en) 2003-03-10
EP0971170A2 (en) 2000-01-12
EP0971170B1 (en) 2002-11-27
ATE228630T1 (en) 2002-12-15
DE19830943A1 (en) 2000-01-13

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: BABCOCK BORSIG SERVICE GMBH, 46049 OBERHAUSEN, DE