ATA785078A - METHOD AND DEVICE FOR DRAINING GRANULES, ESPECIALLY GRANULATED BLAST FURNACE SLAG - Google Patents

METHOD AND DEVICE FOR DRAINING GRANULES, ESPECIALLY GRANULATED BLAST FURNACE SLAG

Info

Publication number
ATA785078A
ATA785078A AT785078A AT785078A ATA785078A AT A785078 A ATA785078 A AT A785078A AT 785078 A AT785078 A AT 785078A AT 785078 A AT785078 A AT 785078A AT A785078 A ATA785078 A AT A785078A
Authority
AT
Austria
Prior art keywords
draining
granules
blast furnace
furnace slag
granulated blast
Prior art date
Application number
AT785078A
Other languages
German (de)
Other versions
AT363969B (en
Original Assignee
Ajo Stahlbau
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
Priority claimed from DE2749143A external-priority patent/DE2749143C2/en
Priority claimed from DE19782807441 external-priority patent/DE2807441A1/en
Application filed by Ajo Stahlbau filed Critical Ajo Stahlbau
Publication of ATA785078A publication Critical patent/ATA785078A/en
Application granted granted Critical
Publication of AT363969B publication Critical patent/AT363969B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • C21B3/06—Treatment of liquid slag
    • C21B3/08—Cooling slag
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B01D21/2461—Positive-displacement pumps; Screw feeders; Trough conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2488—Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/022—Methods of cooling or quenching molten slag
    • C21B2400/024—Methods of cooling or quenching molten slag with the direct use of steam or liquid coolants, e.g. water
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/02—Physical or chemical treatment of slags
    • C21B2400/032—Separating slag from liquid, e.g. from water, after quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/05—Apparatus features
    • C21B2400/062—Jet nozzles or pressurised fluids for cooling, fragmenting or atomising slag
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2400/00—Treatment of slags originating from iron or steel processes
    • C21B2400/05—Apparatus features
    • C21B2400/066—Receptacle features where the slag is treated
    • C21B2400/072—Tanks to collect the slag, e.g. water tank

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Filtration Of Liquid (AREA)
  • Centrifugal Separators (AREA)
  • Treatment Of Sludge (AREA)
AT785078A 1977-11-03 1978-11-02 METHOD AND DEVICE FOR THE DRAINAGE OF GRANULES, ESPECIALLY GRANULATED STOVE SLAG AT363969B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2749143A DE2749143C2 (en) 1977-11-03 1977-11-03 Device for dewatering granular bulk material, in particular slag sand
DE19782807441 DE2807441A1 (en) 1978-02-22 1978-02-22 METHOD AND APPARATUS FOR DRAINING GRANULES, IN PARTICULAR GRANULATED FURNACE SLAG

Publications (2)

Publication Number Publication Date
ATA785078A true ATA785078A (en) 1981-02-15
AT363969B AT363969B (en) 1981-09-10

Family

ID=25773015

Family Applications (1)

Application Number Title Priority Date Filing Date
AT785078A AT363969B (en) 1977-11-03 1978-11-02 METHOD AND DEVICE FOR THE DRAINAGE OF GRANULES, ESPECIALLY GRANULATED STOVE SLAG

Country Status (10)

Country Link
AT (1) AT363969B (en)
AU (1) AU532442B2 (en)
BR (1) BR7807231A (en)
FR (1) FR2407729A1 (en)
GB (2) GB2088233B (en)
IT (1) IT1100451B (en)
LU (1) LU80440A1 (en)
NL (1) NL7810971A (en)
PL (1) PL124161B1 (en)
SE (2) SE443357B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0496915B1 (en) * 1991-01-31 1994-07-13 Heiner Dipl.-Ing. Dr. Kreyenberg Method for treating deposits
CN112704948B (en) * 2021-01-04 2022-05-24 湖南东安湘江科技股份有限公司 Welding flux smelting welding slag multistage filtering device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1208261B (en) * 1964-06-24 1966-01-05 Stichweh K G Maschinenfabrik Gravel drainage device
JPS5411946B2 (en) * 1974-04-25 1979-05-18

Also Published As

Publication number Publication date
AU4127378A (en) 1979-05-17
SE443357B (en) 1986-02-24
AT363969B (en) 1981-09-10
SE8400627L (en) 1984-02-07
PL124161B1 (en) 1982-12-31
SE7811366L (en) 1979-05-04
NL7810971A (en) 1979-05-07
PL210680A1 (en) 1979-10-22
SE8400627D0 (en) 1984-02-07
AU532442B2 (en) 1983-09-29
IT7829413A0 (en) 1978-11-03
FR2407729B1 (en) 1984-03-16
GB2088233A (en) 1982-06-09
BR7807231A (en) 1979-06-12
LU80440A1 (en) 1979-03-19
GB2088233B (en) 1983-01-19
GB2007519A (en) 1979-05-23
IT1100451B (en) 1985-09-28
GB2007519B (en) 1982-10-27
FR2407729A1 (en) 1979-06-01

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee