CN1103667A - Air breaking and pelletizing technology and apparatus for slag - Google Patents
Air breaking and pelletizing technology and apparatus for slag Download PDFInfo
- Publication number
- CN1103667A CN1103667A CN93115409A CN93115409A CN1103667A CN 1103667 A CN1103667 A CN 1103667A CN 93115409 A CN93115409 A CN 93115409A CN 93115409 A CN93115409 A CN 93115409A CN 1103667 A CN1103667 A CN 1103667A
- Authority
- CN
- China
- Prior art keywords
- slag
- pelletizer
- pond
- tundish
- cinder
- 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.)
- Pending
Links
- 239000002893 slag Substances 0.000 title claims abstract description 62
- 238000005516 engineering process Methods 0.000 title description 4
- 238000005453 pelletization Methods 0.000 title description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000003818 cinder Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 16
- 238000005469 granulation Methods 0.000 claims description 15
- 230000003179 granulation Effects 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 11
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 8
- 240000005373 Panax quinquefolius Species 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000013049 sediment Substances 0.000 claims description 3
- 239000012798 spherical particle Substances 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims description 2
- 239000008188 pellet Substances 0.000 abstract 2
- 238000005507 spraying Methods 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 15
- 239000007789 gas Substances 0.000 description 12
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000002686 phosphate fertilizer Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
-
- 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
- C21B2400/022—Methods of cooling or quenching molten slag
- C21B2400/026—Methods of cooling or quenching molten slag using air, inert gases or removable conductive bodies
-
- 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)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Furnace Details (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Manufacture Of Iron (AREA)
Abstract
The said apparatus consists of tilter, slag ladle, tundish, pelletizer, water pit, slag-retaining wall, water spraying device for dedusting and cooling and air source. Liquid slag the tilter pours from slag ladle to tundish flows through the slag runner of the tundish and is crushed by high-pressure airflow, which is spurted from the U-shaped distributed holes in front of the pelletizer. Crushed liquid slag is cooled and coagulated in dedusting water curtain into slag pellets falling to the water pit. Slag pellets are to be dredged by grab for transportation.
Description
The present invention is relevant with the granulation of slag, especially relevant with the gas granulation technology of slag.
Existing metallurgical slag adopts water broken more, the treatment processs such as vexed, the hot application of heat or water-cooled waste.Japanese Patent discloses for No. 8120.061 the molten slag of converter has been blown with pressurized air, by the technology of water-cooled.Winding-up, water-cooled under the air pressure of 0.7mpa, granulation rate reaches 91%.
Chinese patent discloses a kind of Wind power granulating device for steel dross No. 88211276.7, it is characterized in that it is by tundish, pelletizer, and pond forms.The end and the chute of tundish have constant slope, and there is the spray orifice that is the arrangement of H shape in its front of pelletizer of using pressurized air to make source of the gas, and pelletizer can change winding-up angle by angle locating plate.The granulating steel slag technique that this patent embodies is simple, and reduced investment is suitable for medium and small converter steel factory and processes slag.But the enforcement of this patent that had the following disadvantages affect:
1. slag bag need be hung the tundish of tumbling with driving, and working conditions is severe, dangerous, and productivity is not high.
2. the spray orifice in pelletizer front is the arrangement of H shape, and air consumption is higher, and pressurized air utilization ratio is not high.
3. granulation source of the gas is air, makes residual molten steel oxidation serious during granulation.And need air compressor and gas supply line are installed, larger to the investment of source of the gas.
Between tundish chute and pond without safe barricade, there is under special circumstances potential safety hazard.
5. dust-removal system is not set, more serious to the pollution of environment during the broken operation of wind.
The object of this invention is to provide a kind of technique simple, reduced investment, easy to operate, safe and reliable, save energy, slag air granulation technique and device that productivity is high.
Technical process of the present invention is as follows:
(1). the Sheng cinder ladle that fills with liquid metallurgical slag is lifted on the resting support of tilting mechanism, starts tilting mechanism, Shengs cinder ladle is tumbled gradually, molten slag is poured into after tundish, and the effect of dependence gravity flows to before pelletizer from the slag trough of tundish.
(2). from the nitrogen of pelletizer high speed ejection or steam or other gas, liquid steel slag is smashed, due to capillary effect, make melt cinder after smashing drip to shrink very soon and be frozen into the spherical particle that granularity is 2mm left and right.
Source of the gas can be nitrogen or high compressed steam or pressurized air, in order to guarantee the safety of air feed and to stablize, on steam line, except being equipped with manual valve, repid cut-off valve and automatic regulation system for pressure is also housed.
(3) on pond, be provided with dustproof water curtain, the contraction that the melt cinder after smashing drips and process of setting mainly carry out in water curtain, have prevented dust pollution.Spherical slag particle after granulation, scatters in sediment pond cooling.
(4) with grab bucket, the slag particle in pond is pulled out, transported.
Device of the present invention, by tilting mechanism 1, is contained cinder ladle 2.Tundish 3, pelletizer 9, pond 4, slag blocking wall 7, dedusting cooling water jet unit 6, air supply system 8 forms.Source of the gas can utilize Metallurgical Factory's nitrogen more than needed or steam or pressurized air.The spray orifice 23 that pelletizer 9 has U-shaped or ㄩ shape to arrange over against stream slag one side (24).The aperture of spray orifice 23 is inconsistent, and aperture is at 4～14mm.Wherein higher value is got in the aperture of bottom transverse round.Tilting mechanism is mainly comprised of three major parts: supporting (10), tiltable frame (16) and the hydraulic pressure system of tumbling.In supporting (10), there is the support pad (12) that is positioned at upper end, tiltable frame has fulcrum (13) to be positioned at support pad (12), below tiltable frame, there are free bearing (18) and the piston rod of hydro-cylinder (19) to be hinged, the cylinder body of hydro-cylinder (19) and bearing (20) are hinged, tiltable frame (16) has positioning seat (17) above, contain on cinder ladle (2) and have axle (21), locating shaft (22), locating shaft (22) coordinates with positioning seat (17) support pad on tiltable frame.When Sheng cinder ladle is put on tiltable frame, whole tiltable frame is in the interior rotation of support pad 12.Reaching tumbles gradually contains the object of cinder ladle.Because support pad front end has projection, can guarantee to contain cinder ladle and in the process of tumbling, not depart from tilting mechanism.
Dedusting cooling water jet unit consists of the water pipe 11 that is arranged in pond 4 peripheries.On water pipe 11, be placed with spout hole.
Compared with the prior art the present invention has the following advantages:
1. technique is very simple, and floor space is little, invests little.Under the identical prerequisite of the treatment solution quantity of slag, the investment of main equipment used only quite has 1/10th to 1/tens of technique.
2. processing power is large, and granulation is thorough.Per minute can be processed slag 2-3.5t.Slag particle diameter after processing is 0.1-6mm, and most of particle is less than 2mm.The slag 95% going out from middle packet flow all can granulation.The easy efflorescence processing of slag particle after granulation.
3. water consumption is minimum, only need in pond, supplement the water yield consuming because of evaporation, without wastewater disposition, can not cause secondary pollution.
4. safe and reliable.Because pelletizer has certain safe distance apart from pond, be provided with slag blocking wall therebetween and tackle burst accident.Thoroughly eliminated the hidden danger that blast is hurted sb.'s feelings.Unique hydraulic tipping gear makes workman at the teletype control melt cinder of tumbling, and security is good, has improved labor condition and intensity.
5. air consumption is few.Energy consumption is low.Best air consumption is 40-60Nm
3/ t slag, and the air consumption of Japanese Fushan Steel Plant is 500-1000Nm
3/ t.Source of the gas can be used a large amount of nitrogen or the steams (also can use pressurized air) more than needed of metallurgical works.Use nitrogen or steam also can prevent the oxidation of residual metal in slag, not only can alleviate the pollution to environment, can improve again the rate of recovery of residual metal.Save energy, improves the comprehensive benefit of steel mill in a large number.
6. graining steel slag is convenient to comprehensive utilization.Be the desirable grog of producing cement, add a little Yi mill, be deeply subject to the welcome in cement mill.In addition, slag also can be done raw materials for sintering or blast furnace flux, after pre-slag wind is broken, also can do agricultural phosphate fertilizer.
Equipment of the present invention is simple, advanced design, and effect is remarkable.Hydraulic tipping gear and Sheng cinder ladle safety, reliable, improved labor condition, improved productivity.Have different pore size, and spray orifice to be the pelletizer design science that " U " or " ㄩ " shape arranges reasonable, no matter be that slag or metal liquid can make it safe granulation, disperse to fall into accumulated slag pond, air consumption is little, granulation rate is high.Slag blocking wall can occur have a power failure, and stops the supple of gas or steam and while waiting cas fortuit, thoroughly avoids slag chance water hidden peril of explosion.The cooling water curtain of dedusting has improved Working environment, has obviously reduced airborne dustiness.
Technique of the present invention and plant investment are economized, and productivity is high.Energy consumption is low, and overall economic efficiency and environment protecting are good, can be widely used in converter, the open hearth of metallurgy industry, the slag of electric furnace, blast furnace ironmaking slag, the processing of nonferrous smelting slag.
Fig. 1 is general arrangement of the present invention, has also embodied technical process of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is hydraulic tipping gear figure of the present invention.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 is for containing cinder ladle structure iron.
Fig. 6 is the pelletizer structure iron that spray orifice takes the shape of the letter U and arranges.
Fig. 7 is that spray orifice is the pelletizer structure iron that ㄩ shape is arranged.
Embodiments of the invention as follows.
Technical process of the present invention is as follows:
(melt cinder)/() contained pull out → transportation means of cinder ladle (hydraulic pressure is tumbled)/() tundish (slag trough)/() pelletizer → dustproof water curtain → cooling basin → grab bucket
Fill the Sheng cinder ladle 2 of slag; with traveling crane, be placed on and tumble in frame 1; primer fluid cylinder pressure 19; cinder ladle is tumbled gradually, and molten slag is poured into after tundish, relies on the effect of gravity to flow to pelletizer 9 the place aheads from middle packet flow slag chute 28; the high speed stream of nitrogen gas being ejected in pelletizer smashes; due to capillary effect, melt cinder after smashing is dripped shrink very to be soon frozen into the spherical particle that granularity is 2mm left and right, scatter in sediment pond.For preventing dust pollution, pond is provided with dustproof water curtain.
The operating pressure of compressed nitrogen is 0.2-0.6mpa
Air consumption is 30-100Nm
3./t
Processing slag ability is 2-3.5t/min
Device of the present invention, by tilting mechanism 1, is contained cinder ladle 2, tundish 3, and pelletizer 9, pond 4, slag blocking wall 7, dedusting cooling water jet unit 6, source of the gas 8 forms.
Source of the gas is used metallurgical works nitrogen (also can use steam or pressurized air) more than needed
The arrangement that takes the shape of the letter U of the spray orifice of pelletizer 9.(round footpath, end φ 10mm, vertical setting of types aperture, both sides φ 7mm or reduce gradually from φ 8mm-φ 6mm.Also injection diameter φ 12mm is arranged, both sides injection diameter φ 8mm or end row's injection diameter φ 8mm, both sides injection diameter φ 5mm in the end to the spray orifice of pelletizer.Or end row's injection diameter φ 14mm, both sides injection diameter φ 10mm.Or end row's injection diameter φ 8mm, both sides injection diameter φ 4mm.
Sheng cinder ladle 2, tundish 3, tilting mechanism 1 are positioned on a platform.The cylinder body of hydro-cylinder 19 is hinged with the bearing 20 that is positioned at melt pit.Pelletizer 9 is positioned under mesa sidewalls slag trough.
Claims (3)
1, slag air granulation technique, is comprised of following operation:
(1) the Sheng cinder ladle that fills with liquid metallurgical slag is lifted on the resting support of tilting mechanism, starts tilting mechanism, Shengs cinder ladle is tumbled gradually, melt cinder is poured into after tundish, the effect of dependence gravity from the slag trough of tundish flow to pelletizer before;
(2) the aperture that the U-shaped of the high pressure draft of source of the gas before pelletizer or Qian shape are arranged, spray stream slag is smashed, due to capillary effect, the melt cinder after smashing drips very soon and shrinks and be frozen into the spherical particle that granularity is very little,
(3) between slag trough and pond, there is certain distance, be provided with slag blocking wall therebetween.Pond periphery is provided with dustproof water curtain device.Cooling and the process of setting that melt cinder after smashing drips carries out in dustproof water curtain, has effectively prevented dust pollution.Spherical slag particle after granulation, scatters in sediment pond cooling.
(4) with grab bucket, the slag particle in pond is pulled out and transported.
2, according to the slag air granulation technique described in claim, it is characterized in that the operating pressure of source of the gas is 0.2-0.6Mpa, the air consumption of producing grain slag per ton is 30～100NM
3/ t.
3, slag air-crushing granulator, is characterized in that by tilting mechanism (1), contains cinder ladle (2), tundish (3), and pelletizer (9), pond (4), and slag blocking wall (7), dedusting cooling water jet unit (6), source of the gas (8) forms.Pelletizer (9) spray orifice (23) that (24) have U-shaped or ㄩ shape to arrange above, the aperture of spray orifice (23) is inconsistent, and aperture is at 4-14mm, and wherein, higher value is got in the aperture of bottom transverse round.Tilting mechanism is mainly comprised of three major parts: supporting (10), tiltable frame (16) and the hydraulic pressure system of tumbling.In supporting (10), there is the support pad (12) that is positioned at upper end, tiltable frame has fulcrum (13) to be positioned at support pad (12), below tiltable frame, there are free bearing (18) and the piston rod of hydro-cylinder (19) to be hinged, the cylinder body of hydro-cylinder (19) and bearing (20) are hinged, tiltable frame (16) has positioning seat (17) above, contain on cinder ladle (2) and have axle (21), locating shaft (22), locating shaft (22) coordinates with positioning seat (17) support pad on tiltable frame.Dedusting cooling water jet unit (6) consists of the water pipe (11) that is arranged in pond (4) periphery, and water pipe is placed with some spout holes on (11), after water sprays from hole, can form water curtain aloft.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93115409A CN1103667A (en) | 1993-12-11 | 1993-12-11 | Air breaking and pelletizing technology and apparatus for slag |
| PCT/CN1994/000098 WO1995015929A1 (en) | 1993-12-11 | 1994-12-09 | Slag granulation method and container by air crushing |
| AU11901/95A AU683520B2 (en) | 1993-12-11 | 1994-12-09 | Slag granulation method and container by air crushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93115409A CN1103667A (en) | 1993-12-11 | 1993-12-11 | Air breaking and pelletizing technology and apparatus for slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1103667A true CN1103667A (en) | 1995-06-14 |
Family
ID=4991034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93115409A Pending CN1103667A (en) | 1993-12-11 | 1993-12-11 | Air breaking and pelletizing technology and apparatus for slag |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1103667A (en) |
| AU (1) | AU683520B2 (en) |
| WO (1) | WO1995015929A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886149A (en) * | 2010-07-08 | 2010-11-17 | 无锡市东方环境工程设计研究所有限公司 | High temperature liquid slag recovery method |
| CN101886148A (en) * | 2010-07-08 | 2010-11-17 | 无锡市东方环境工程设计研究所有限公司 | Method for recovering high-temperature molten slag |
| CN101691620B (en) * | 2009-09-10 | 2011-06-08 | 河北理工大学 | Process and device for processing liquid steel slag |
| CN102329902A (en) * | 2011-10-15 | 2012-01-25 | 杜存斌 | Metallurgical gas-water continuous quenching equipment structure |
| CN101660012B (en) * | 2009-09-25 | 2012-07-18 | 阳谷祥光铜业有限公司 | Anhydrous granulating technique of metallurgical slag and device thereof |
| CN103710479A (en) * | 2014-01-17 | 2014-04-09 | 中冶华天工程技术有限公司 | Steel slag water quenching treatment system |
| CN115418420A (en) * | 2022-09-26 | 2022-12-02 | 马鞍山钢铁股份有限公司 | Treatment device and treatment method for improving wind breaking and slagging of steel slag |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279814A (en) * | 1979-06-27 | 1981-07-21 | Crompton & Knowles Corporation | Salicyl phenyl naphthyl trisazo di and trisulfonic developed direct black dyes |
| JPS5919532A (en) * | 1982-07-26 | 1984-02-01 | Nippon Steel Corp | Semi-solidified particle concentrator |
| JPS5943807A (en) * | 1982-09-03 | 1984-03-12 | Nippon Kokan Kk <Nkk> | Method for quantitatively supplying molten slag to tandate |
| CN88211276U (en) * | 1988-05-06 | 1988-12-21 | 马鞍山钢铁公司 | Wind power granulating device for steel dross |
-
1993
- 1993-12-11 CN CN93115409A patent/CN1103667A/en active Pending
-
1994
- 1994-12-09 AU AU11901/95A patent/AU683520B2/en not_active Ceased
- 1994-12-09 WO PCT/CN1994/000098 patent/WO1995015929A1/en not_active Ceased
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101691620B (en) * | 2009-09-10 | 2011-06-08 | 河北理工大学 | Process and device for processing liquid steel slag |
| CN101660012B (en) * | 2009-09-25 | 2012-07-18 | 阳谷祥光铜业有限公司 | Anhydrous granulating technique of metallurgical slag and device thereof |
| CN101886149A (en) * | 2010-07-08 | 2010-11-17 | 无锡市东方环境工程设计研究所有限公司 | High temperature liquid slag recovery method |
| CN101886148A (en) * | 2010-07-08 | 2010-11-17 | 无锡市东方环境工程设计研究所有限公司 | Method for recovering high-temperature molten slag |
| CN102329902A (en) * | 2011-10-15 | 2012-01-25 | 杜存斌 | Metallurgical gas-water continuous quenching equipment structure |
| CN102329902B (en) * | 2011-10-15 | 2016-09-07 | 杜天宇 | A kind of device structure of metallurgical gas-water continuous quenching |
| CN103710479A (en) * | 2014-01-17 | 2014-04-09 | 中冶华天工程技术有限公司 | Steel slag water quenching treatment system |
| CN103710479B (en) * | 2014-01-17 | 2016-05-18 | 中冶华天工程技术有限公司 | Steel slag water quenching treatment system |
| CN115418420A (en) * | 2022-09-26 | 2022-12-02 | 马鞍山钢铁股份有限公司 | Treatment device and treatment method for improving wind breaking and slagging of steel slag |
| CN115418420B (en) * | 2022-09-26 | 2023-07-25 | 马鞍山钢铁股份有限公司 | Treatment device and treatment method for improving wind-break slagging of steel slag |
Also Published As
| Publication number | Publication date |
|---|---|
| AU683520B2 (en) | 1997-11-13 |
| AU1190195A (en) | 1995-06-27 |
| WO1995015929A1 (en) | 1995-06-15 |
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