DE3263908D1 - Process for pneumatically injecting dosed quantities of finely divided solids into a vessel maintained at a variable pressure, and the application of this process to shaft furnaces - Google Patents

Process for pneumatically injecting dosed quantities of finely divided solids into a vessel maintained at a variable pressure, and the application of this process to shaft furnaces

Info

Publication number
DE3263908D1
DE3263908D1 DE8282108667T DE3263908T DE3263908D1 DE 3263908 D1 DE3263908 D1 DE 3263908D1 DE 8282108667 T DE8282108667 T DE 8282108667T DE 3263908 T DE3263908 T DE 3263908T DE 3263908 D1 DE3263908 D1 DE 3263908D1
Authority
DE
Germany
Prior art keywords
application
finely divided
variable pressure
divided solids
shaft furnaces
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
DE8282108667T
Other languages
German (de)
English (en)
Inventor
Leon Ulveling
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.)
Paul Wurth SA
Original Assignee
Paul Wurth SA
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 Paul Wurth SA filed Critical Paul Wurth SA
Application granted granted Critical
Publication of DE3263908D1 publication Critical patent/DE3263908D1/de
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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Manufacture Of Iron (AREA)
  • Blast Furnaces (AREA)
DE8282108667T 1981-10-02 1982-09-20 Process for pneumatically injecting dosed quantities of finely divided solids into a vessel maintained at a variable pressure, and the application of this process to shaft furnaces Expired DE3263908D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU83671A LU83671A1 (fr) 1981-10-02 1981-10-02 Procede d'injection de quantites dosees de matieres pulverulentes par voie pneumatique dans une enceinte se trouvant sous pression variable et application a un four a cuve

Publications (1)

Publication Number Publication Date
DE3263908D1 true DE3263908D1 (en) 1985-07-04

Family

ID=19729733

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282108667T Expired DE3263908D1 (en) 1981-10-02 1982-09-20 Process for pneumatically injecting dosed quantities of finely divided solids into a vessel maintained at a variable pressure, and the application of this process to shaft furnaces

Country Status (11)

Country Link
US (1) US4594028A (enExample)
EP (1) EP0077919B1 (enExample)
JP (1) JPS5874430A (enExample)
AU (1) AU557150B2 (enExample)
BR (1) BR8205766A (enExample)
CA (1) CA1219543A (enExample)
DE (1) DE3263908D1 (enExample)
ES (1) ES515334A0 (enExample)
IN (1) IN159561B (enExample)
LU (1) LU83671A1 (enExample)
ZA (1) ZA826264B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU85738A1 (fr) * 1985-01-24 1986-08-04 Wurth Paul Sa Procede et installation d'injection de quantites dosees de matieres pulverulentes par voie pneumatique dans une enceinte sous pression et application a un four a cuve
FI106704B (fi) * 1999-08-24 2001-03-30 Pyrox Oy Menetelmä kiintoaineen syöttämiseksi reaktiotilaan, jossa tapahtuvassa reaktiossa kiintoainetta kuluu
LU90585B1 (en) * 2000-04-26 2001-10-29 Wurth Paul Sa A device for discharging dust from a dry dust collector of a blast furnace
US7524146B2 (en) * 2006-11-30 2009-04-28 William Jeffrey Peet Pneumatic uneven flow factoring for particulate matter distribution system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5535762A (en) * 1978-09-06 1980-03-12 Hitachi Ltd Hydraulic transportation method and equipment of solid state material
LU81388A1 (fr) * 1979-06-15 1979-09-12 Wurth Paul Sa Procede et installation de dosage et de transport par voie pneumatique de matieres solides vers une enceinte sous pression
LU81519A1 (fr) * 1979-07-17 1979-10-31 Wurth Anciens Ets Paul Procede et installation d'injection de combustibles solides dans un four a cuve
LU82036A1 (fr) * 1979-12-27 1980-04-23 Wurth Anciens Ets Paul Procede et installation d'injection de quantites dosees de matieres pulverulentes par voie pneumatique dans une enceinte se trouvant sous pression variable et application a un four a cuve

Also Published As

Publication number Publication date
ES8307905A1 (es) 1983-08-01
EP0077919B1 (fr) 1985-05-29
LU83671A1 (fr) 1983-06-08
ZA826264B (en) 1983-09-28
IN159561B (enExample) 1987-05-23
JPS5874430A (ja) 1983-05-04
ES515334A0 (es) 1983-08-01
AU557150B2 (en) 1986-12-11
BR8205766A (pt) 1983-09-06
EP0077919A1 (fr) 1983-05-04
CA1219543A (en) 1987-03-24
AU8894082A (en) 1983-04-14
US4594028A (en) 1986-06-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee