EP0140075A3 - Coal dust burner - Google Patents

Coal dust burner Download PDF

Info

Publication number
EP0140075A3
EP0140075A3 EP84110743A EP84110743A EP0140075A3 EP 0140075 A3 EP0140075 A3 EP 0140075A3 EP 84110743 A EP84110743 A EP 84110743A EP 84110743 A EP84110743 A EP 84110743A EP 0140075 A3 EP0140075 A3 EP 0140075A3
Authority
EP
European Patent Office
Prior art keywords
coal dust
discharge openings
metering apparatus
dust burner
hot
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.)
Granted
Application number
EP84110743A
Other languages
German (de)
Other versions
EP0140075B1 (en
EP0140075A2 (en
Inventor
Hans Luttger
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.)
RUHRKOHLE-CARBORAT GmbH
Original Assignee
RUHRKOHLE-CARBORAT 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 RUHRKOHLE-CARBORAT GmbH filed Critical RUHRKOHLE-CARBORAT GmbH
Priority to AT84110743T priority Critical patent/ATE31360T1/en
Publication of EP0140075A2 publication Critical patent/EP0140075A2/en
Publication of EP0140075A3 publication Critical patent/EP0140075A3/en
Application granted granted Critical
Publication of EP0140075B1 publication Critical patent/EP0140075B1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/003—Injection of pulverulent coal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F23K3/02—Pneumatic feeding arrangements, i.e. by air blast

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles (AREA)
  • Processing Of Solid Wastes (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

1. Dust introduction system into a hot zone, especially into a shaft furnace or pulverized coal burner for hot water or steam boilers or hot gas generators, comprising a metering apparatus, the metering apparatus consisting of a jet conveyor having a distributor head and at least two discharge openings (10), characterized in that the discharge openings (10) are orientated parallel and are each equipped with a single and independently adjustable valve cone (11), the valve cones (11) being also constructed as injectors.
EP84110743A 1983-10-19 1984-09-08 Dust introduction into a hot zone Expired EP0140075B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84110743T ATE31360T1 (en) 1983-10-19 1984-09-08 DUST ENTRY IN A HOT ZONE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833337972 DE3337972A1 (en) 1983-10-19 1983-10-19 CARBON DUST BURNER
DE3337972 1983-10-19

Publications (3)

Publication Number Publication Date
EP0140075A2 EP0140075A2 (en) 1985-05-08
EP0140075A3 true EP0140075A3 (en) 1985-09-25
EP0140075B1 EP0140075B1 (en) 1987-12-09

Family

ID=6212214

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84110743A Expired EP0140075B1 (en) 1983-10-19 1984-09-08 Dust introduction into a hot zone

Country Status (3)

Country Link
EP (1) EP0140075B1 (en)
AT (1) ATE31360T1 (en)
DE (2) DE3337972A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU86034A1 (en) * 1985-08-05 1987-03-06 Wurth Paul Sa METHOD AND DEVICE FOR INJECTING, BY PNEUMATIC ROUTE, QUANTITIES OF POWDERED MATERIALS INTO A VARIABLE PRESSURE ENCLOSURE
DE3612682A1 (en) * 1986-04-15 1987-10-22 Krupp Polysius Ag Burner arrangement
CN103140713A (en) * 2010-09-16 2013-06-05 勒舍有限公司 Solid-fuel-fired hot gas generator having an extended control range

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR648588A (en) * 1927-02-15 1928-12-11 Method and device for distributing the atomized fuel in two or more conduits
DE562321C (en) * 1930-07-10 1932-10-24 Andre Labat Camy Device for distributing dust-like material to a conveying gas which continues it through a conveying line
US1943376A (en) * 1931-06-04 1934-01-16 Dilling Harvey Newell Stoker for pulverized fuel
FR790009A (en) * 1935-05-06 1935-11-12 Iron Fireman Mfg Co Automatic loader for boilers
DE1128808B (en) * 1957-11-21 1962-04-26 Simon Ltd Henry Pneumatic conveyor system
GB1310886A (en) * 1969-11-25 1973-03-21 Coal Industry Patents Ltd Apparatus for distributing particulate material
US4250816A (en) * 1976-12-16 1981-02-17 Pullman Incorporated, Pullman Swindell Division Particulate solid fuel combustion system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR648588A (en) * 1927-02-15 1928-12-11 Method and device for distributing the atomized fuel in two or more conduits
DE562321C (en) * 1930-07-10 1932-10-24 Andre Labat Camy Device for distributing dust-like material to a conveying gas which continues it through a conveying line
US1943376A (en) * 1931-06-04 1934-01-16 Dilling Harvey Newell Stoker for pulverized fuel
FR790009A (en) * 1935-05-06 1935-11-12 Iron Fireman Mfg Co Automatic loader for boilers
DE1128808B (en) * 1957-11-21 1962-04-26 Simon Ltd Henry Pneumatic conveyor system
GB1310886A (en) * 1969-11-25 1973-03-21 Coal Industry Patents Ltd Apparatus for distributing particulate material
US4250816A (en) * 1976-12-16 1981-02-17 Pullman Incorporated, Pullman Swindell Division Particulate solid fuel combustion system

Also Published As

Publication number Publication date
DE3468070D1 (en) 1988-01-21
EP0140075B1 (en) 1987-12-09
DE3337972A1 (en) 1985-05-09
ATE31360T1 (en) 1987-12-15
EP0140075A2 (en) 1985-05-08

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