PL124161B1 - Method of dehydration of granular material,especially of granular blast-furnace slag and apparatus therefor - Google Patents
Method of dehydration of granular material,especially of granular blast-furnace slag and apparatus therefor Download PDFInfo
- Publication number
- PL124161B1 PL124161B1 PL1978210680A PL21068078A PL124161B1 PL 124161 B1 PL124161 B1 PL 124161B1 PL 1978210680 A PL1978210680 A PL 1978210680A PL 21068078 A PL21068078 A PL 21068078A PL 124161 B1 PL124161 B1 PL 124161B1
- Authority
- PL
- Poland
- Prior art keywords
- water
- bucket wheel
- thickener
- solids
- filter
- Prior art date
Links
- 239000002893 slag Substances 0.000 title claims description 61
- 238000000034 method Methods 0.000 title claims description 22
- 239000008187 granular material Substances 0.000 title claims description 21
- 230000018044 dehydration Effects 0.000 title 1
- 238000006297 dehydration reaction Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 112
- 239000007787 solid Substances 0.000 claims description 49
- 239000002562 thickening agent Substances 0.000 claims description 48
- 239000004576 sand Substances 0.000 claims description 39
- 238000007790 scraping Methods 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 32
- 239000013590 bulk material Substances 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 18
- 238000007667 floating Methods 0.000 claims description 13
- 238000005352 clarification Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 230000008719 thickening Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims description 2
- 230000032258 transport Effects 0.000 description 13
- 239000010802 sludge Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 241000405425 Hura Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2749143A DE2749143C2 (de) | 1977-11-03 | 1977-11-03 | Vorrichtung zum Entwässern von körnigem Schüttgut, insbesondere von Schlackensand |
| DE19782807441 DE2807441A1 (de) | 1978-02-22 | 1978-02-22 | Verfahren und vorrichtung zum entwaessern von granulat, insbesondere von granulierter hochofenschlacke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL210680A1 PL210680A1 (pl) | 1979-10-22 |
| PL124161B1 true PL124161B1 (en) | 1982-12-31 |
Family
ID=25773015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1978210680A PL124161B1 (en) | 1977-11-03 | 1978-11-03 | Method of dehydration of granular material,especially of granular blast-furnace slag and apparatus therefor |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT363969B (de) |
| AU (1) | AU532442B2 (de) |
| BR (1) | BR7807231A (de) |
| FR (1) | FR2407729A1 (de) |
| GB (2) | GB2088233B (de) |
| IT (1) | IT1100451B (de) |
| LU (1) | LU80440A1 (de) |
| NL (1) | NL7810971A (de) |
| PL (1) | PL124161B1 (de) |
| SE (2) | SE443357B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0496915B1 (de) * | 1991-01-31 | 1994-07-13 | Heiner Dipl.-Ing. Dr. Kreyenberg | Verfahren zum Aufbereiten von Ablagerungen |
| CN112704948B (zh) * | 2021-01-04 | 2022-05-24 | 湖南东安湘江科技股份有限公司 | 一种焊剂熔炼焊渣多级过滤装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1208261B (de) * | 1964-06-24 | 1966-01-05 | Stichweh K G Maschinenfabrik | Kiesentwaesserungsvorrichtung |
| JPS5411946B2 (de) * | 1974-04-25 | 1979-05-18 |
-
1978
- 1978-10-30 LU LU80440A patent/LU80440A1/xx unknown
- 1978-11-01 GB GB8124486A patent/GB2088233B/en not_active Expired
- 1978-11-01 GB GB7842742A patent/GB2007519B/en not_active Expired
- 1978-11-01 BR BR7807231A patent/BR7807231A/pt unknown
- 1978-11-02 FR FR7831050A patent/FR2407729A1/fr active Granted
- 1978-11-02 SE SE7811366A patent/SE443357B/sv not_active IP Right Cessation
- 1978-11-02 AU AU41273/78A patent/AU532442B2/en not_active Expired
- 1978-11-02 AT AT785078A patent/AT363969B/de not_active IP Right Cessation
- 1978-11-03 PL PL1978210680A patent/PL124161B1/pl unknown
- 1978-11-03 IT IT2941378A patent/IT1100451B/it active
- 1978-11-03 NL NL7810971A patent/NL7810971A/xx not_active Application Discontinuation
-
1984
- 1984-02-07 SE SE8400627A patent/SE8400627D0/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| SE8400627L (sv) | 1984-02-07 |
| SE443357B (sv) | 1986-02-24 |
| GB2088233A (en) | 1982-06-09 |
| GB2007519B (en) | 1982-10-27 |
| GB2088233B (en) | 1983-01-19 |
| IT1100451B (it) | 1985-09-28 |
| BR7807231A (pt) | 1979-06-12 |
| FR2407729B1 (de) | 1984-03-16 |
| AU4127378A (en) | 1979-05-17 |
| LU80440A1 (fr) | 1979-03-19 |
| IT7829413A0 (it) | 1978-11-03 |
| AU532442B2 (en) | 1983-09-29 |
| SE7811366L (sv) | 1979-05-04 |
| AT363969B (de) | 1981-09-10 |
| ATA785078A (de) | 1981-02-15 |
| SE8400627D0 (sv) | 1984-02-07 |
| PL210680A1 (pl) | 1979-10-22 |
| FR2407729A1 (fr) | 1979-06-01 |
| NL7810971A (nl) | 1979-05-07 |
| GB2007519A (en) | 1979-05-23 |
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