GB2007519B - Method and apparatus for the draining of granular material particularly granulated blast-furnace slag - Google Patents

Method and apparatus for the draining of granular material particularly granulated blast-furnace slag

Info

Publication number
GB2007519B
GB2007519B GB7842742A GB7842742A GB2007519B GB 2007519 B GB2007519 B GB 2007519B GB 7842742 A GB7842742 A GB 7842742A GB 7842742 A GB7842742 A GB 7842742A GB 2007519 B GB2007519 B GB 2007519B
Authority
GB
United Kingdom
Prior art keywords
draining
granular material
furnace slag
granulated blast
material particularly
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
GB7842742A
Other versions
GB2007519A (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 GB2007519A publication Critical patent/GB2007519A/en
Application granted granted Critical
Publication of GB2007519B publication Critical patent/GB2007519B/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
GB7842742A 1977-11-03 1978-11-01 Method and apparatus for the draining of granular material particularly granulated blast-furnace slag Expired GB2007519B (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
GB2007519A GB2007519A (en) 1979-05-23
GB2007519B true GB2007519B (en) 1982-10-27

Family

ID=25773015

Family Applications (2)

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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8124486A Expired GB2088233B (en) 1977-11-03 1978-11-01 Method and apparatus for draining of 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) 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
DE59102187D1 (en) * 1991-01-31 1994-08-18 Kreyenberg Heiner Process for the preparation of 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
GB2088233A (en) 1982-06-09
NL7810971A (en) 1979-05-07
GB2088233B (en) 1983-01-19
GB2007519A (en) 1979-05-23
FR2407729B1 (en) 1984-03-16
FR2407729A1 (en) 1979-06-01
AT363969B (en) 1981-09-10
PL124161B1 (en) 1982-12-31
PL210680A1 (en) 1979-10-22
SE8400627D0 (en) 1984-02-07
IT7829413A0 (en) 1978-11-03
SE7811366L (en) 1979-05-04
SE443357B (en) 1986-02-24
BR7807231A (en) 1979-06-12
LU80440A1 (en) 1979-03-19
IT1100451B (en) 1985-09-28
AU532442B2 (en) 1983-09-29
SE8400627L (en) 1984-02-07
ATA785078A (en) 1981-02-15
AU4127378A (en) 1979-05-17

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Legal Events

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