GB2088233B - Method and apparatus for draining of granulated blast-furnace slag - Google Patents

Method and apparatus for draining of granulated blast-furnace slag

Info

Publication number
GB2088233B
GB2088233B GB8124486A GB8124486A GB2088233B GB 2088233 B GB2088233 B GB 2088233B GB 8124486 A GB8124486 A GB 8124486A GB 8124486 A GB8124486 A GB 8124486A GB 2088233 B GB2088233 B GB 2088233B
Authority
GB
United Kingdom
Prior art keywords
draining
furnace slag
granulated blast
granulated
blast
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
GB8124486A
Other versions
GB2088233A (en
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.)
Ajo Stahlbau GmbH and Co KG
Original Assignee
Ajo Stahlbau GmbH and Co KG
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 GmbH and Co KG filed Critical Ajo Stahlbau GmbH and Co KG
Publication of GB2088233A publication Critical patent/GB2088233A/en
Application granted granted Critical
Publication of GB2088233B publication Critical patent/GB2088233B/en
Expired legal-status Critical Current

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)
GB8124486A 1977-11-03 1978-11-01 Method and apparatus for draining of granulated blast-furnace slag Expired GB2088233B (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
GB2088233A GB2088233A (en) 1982-06-09
GB2088233B true GB2088233B (en) 1983-01-19

Family

ID=25773015

Family Applications (2)

Application Number Title Priority Date Filing Date
GB7842742A Expired GB2007519B (en) 1977-11-03 1978-11-01 Method and apparatus for the draining of granular material particularly granulated blast-furnace slag
GB8124486A Expired GB2088233B (en) 1977-11-03 1978-11-01 Method and apparatus for draining of granulated blast-furnace slag

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB7842742A Expired GB2007519B (en) 1977-11-03 1978-11-01 Method and apparatus for the draining of granular material particularly granulated blast-furnace slag

Country Status (10)

Country Link
AT (1) AT363969B (en)
AU (1) AU532442B2 (en)
BR (1) BR7807231A (en)
FR (1) FR2407729A1 (en)
GB (2) GB2007519B (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
FR2407729B1 (en) 1984-03-16
SE8400627D0 (en) 1984-02-07
IT7829413A0 (en) 1978-11-03
GB2088233A (en) 1982-06-09
SE7811366L (en) 1979-05-04
AU4127378A (en) 1979-05-17
GB2007519B (en) 1982-10-27
LU80440A1 (en) 1979-03-19
GB2007519A (en) 1979-05-23
NL7810971A (en) 1979-05-07
ATA785078A (en) 1981-02-15
AT363969B (en) 1981-09-10
IT1100451B (en) 1985-09-28
BR7807231A (en) 1979-06-12
FR2407729A1 (en) 1979-06-01
PL124161B1 (en) 1982-12-31
AU532442B2 (en) 1983-09-29
SE8400627L (en) 1984-02-07
PL210680A1 (en) 1979-10-22
SE443357B (en) 1986-02-24

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Legal Events

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