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GB2477562B - Grate mechanism - Google Patents

Grate mechanism

Info

Publication number
GB2477562B
GB2477562B GB1002069.1A GB201002069A GB2477562B GB 2477562 B GB2477562 B GB 2477562B GB 201002069 A GB201002069 A GB 201002069A GB 2477562 B GB2477562 B GB 2477562B
Authority
GB
United Kingdom
Prior art keywords
grate
bar
bars
alternate
grate bars
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 - Fee Related
Application number
GB1002069.1A
Other versions
GB201002069D0 (en
GB2477562A (en
Inventor
David Pike
Mark Degg
James Desmond Mitchell
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.)
O GEN UK Ltd
Original Assignee
O GEN UK 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 O GEN UK Ltd filed Critical O GEN UK Ltd
Priority to GB1002069.1A priority Critical patent/GB2477562B/en
Publication of GB201002069D0 publication Critical patent/GB201002069D0/en
Publication of GB2477562A publication Critical patent/GB2477562A/en
Application granted granted Critical
Publication of GB2477562B publication Critical patent/GB2477562B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C10J3/20—Apparatus; Plants
    • C10J3/34—Grates; Mechanical ash-removing devices
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C10J3/20—Apparatus; Plants
    • C10J3/22—Arrangements or dispositions of valves or flues
    • C10J3/24—Arrangements or dispositions of valves or flues to permit flow of gases or vapours other than upwardly through the fuel bed
    • C10J3/26—Arrangements or dispositions of valves or flues to permit flow of gases or vapours other than upwardly through the fuel bed downwardly
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C10J3/20—Apparatus; Plants
    • C10J3/34—Grates; Mechanical ash-removing devices
    • C10J3/40—Movable grates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H1/00—Grates with solid bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H11/00—Travelling-grates
    • F23H11/06—Travelling-grates with the bars movable relatively to one another
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0916—Biomass
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0916—Biomass
    • C10J2300/092—Wood, cellulose
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0956—Air or oxygen enriched air

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Incineration Of Waste (AREA)

Abstract

A grate mechanism 20, suitable for use in a gasifier, comprises a multiplicity of grate bars 10, 18 arranged side-by-side in a common plane, alternate gate bars 10 being movable lengthwise so as to move relative to adjacent gate bars 18, and wherein each grate bar defines a multiplicity of recesses 14 along both sides of the bar, recesses on one side of the bar being arranged alternately with recesses on the opposite side of the bar along the length of the bar. Preferably, the alternate grate bars are connected to a linking mechanism whereby the alternate grate bars can be moved simultaneously. The linking mechanism can ensure that lengthwise movement of alternate grate bars does not subject the grate bars to tension. The upper surfaces of all the grate bars may be provided with upwardly projecting teeth ( 12, Fig. 1). A processing plant incorporating the gate mechanism is also claimed.
GB1002069.1A 2010-02-09 2010-02-09 Grate mechanism Expired - Fee Related GB2477562B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1002069.1A GB2477562B (en) 2010-02-09 2010-02-09 Grate mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1002069.1A GB2477562B (en) 2010-02-09 2010-02-09 Grate mechanism

Publications (3)

Publication Number Publication Date
GB201002069D0 GB201002069D0 (en) 2010-03-24
GB2477562A GB2477562A (en) 2011-08-10
GB2477562B true GB2477562B (en) 2013-11-06

Family

ID=42082677

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1002069.1A Expired - Fee Related GB2477562B (en) 2010-02-09 2010-02-09 Grate mechanism

Country Status (1)

Country Link
GB (1) GB2477562B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201015544D0 (en) * 2010-09-17 2010-10-27 O Gen Uk Ltd Biomass gasifier and gasification plant
GB201206454D0 (en) * 2012-04-12 2012-05-30 Arada Ltd Fuel burning stove
JP5976940B2 (en) * 2012-09-05 2016-08-24 アルカン、ゼキARIKAN, Zeki Pellet boiler with removable grate
FR3016867B1 (en) * 2014-01-27 2016-07-15 Areva Renouvelables DEVICE FOR DISCHARGING BULK MATERIAL AND INSTALLATION COMPRISING A CONTAINER PROVIDED WITH SUCH A DISCHARGE DEVICE
CN106439854B (en) * 2016-12-23 2018-07-27 杨虎 A kind of fire grate device and small refuse incinerator suitable for small refuse incinerator
CN108716679B (en) * 2018-06-20 2021-09-10 绿色动力环保集团股份有限公司 Grate of reverse-pushing garbage incinerator and multi-drive reverse-pushing garbage incinerator

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191000546A (en) *
FR474734A (en) * 1913-07-05 1915-03-04 Jacob Archenhold Bar for mobile grilles and others
GB279439A (en) * 1926-10-20 1928-04-12 Paul Leveque Improvements in grate bars for furnaces
GB329052A (en) * 1929-02-25 1930-05-15 Charles Henry Evans Improvements in or relating to the fire-grates of furnaces and the like
US4450952A (en) * 1980-12-24 1984-05-29 Widmer & Ernst Ag Fire grate for a combustion furnace
CN2900532Y (en) * 2006-04-29 2007-05-16 王忠国 Movable furnace grating and gas generating fornace equipped with movable furnace grating
WO2009034509A1 (en) * 2007-09-10 2009-03-19 Babcock & Wilcox Vølund A/S Stepped combustion grate
WO2010109077A1 (en) * 2009-03-26 2010-09-30 Hannu Laajala Grate construction

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191000546A (en) *
FR474734A (en) * 1913-07-05 1915-03-04 Jacob Archenhold Bar for mobile grilles and others
GB279439A (en) * 1926-10-20 1928-04-12 Paul Leveque Improvements in grate bars for furnaces
GB329052A (en) * 1929-02-25 1930-05-15 Charles Henry Evans Improvements in or relating to the fire-grates of furnaces and the like
US4450952A (en) * 1980-12-24 1984-05-29 Widmer & Ernst Ag Fire grate for a combustion furnace
CN2900532Y (en) * 2006-04-29 2007-05-16 王忠国 Movable furnace grating and gas generating fornace equipped with movable furnace grating
WO2009034509A1 (en) * 2007-09-10 2009-03-19 Babcock & Wilcox Vølund A/S Stepped combustion grate
WO2010109077A1 (en) * 2009-03-26 2010-09-30 Hannu Laajala Grate construction

Also Published As

Publication number Publication date
GB201002069D0 (en) 2010-03-24
GB2477562A (en) 2011-08-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20180209