CN105755190B - The device that a kind of hot steel slag quickly cools down - Google Patents
The device that a kind of hot steel slag quickly cools down Download PDFInfo
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- CN105755190B CN105755190B CN201610303403.2A CN201610303403A CN105755190B CN 105755190 B CN105755190 B CN 105755190B CN 201610303403 A CN201610303403 A CN 201610303403A CN 105755190 B CN105755190 B CN 105755190B
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- slag
- water
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
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- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses the device that a kind of hot steel slag quickly cools down, including vexed slag bath (1), the sidepiece of vexed slag bath (1) is provided with small sump (2), bottom in vexed slag bath (1) is provided with collecting gutter (3), collecting gutter (3) is connected by water return pipeline (4) with small sump (2), the top of the collecting gutter (3) is less than the bottom of vexed slag bath (1), and the bottom of small sump (2) is less than the bottom of collecting gutter (3).The present invention, which has, builds that less input, and water-saving efficient, operation cost is relatively low, the characteristics of job safety and preferable slag separating effect.
Description
Technical field
The present invention relates to steelmaking technical field, device that particularly a kind of hot steel slag quickly cools down.
Background technology
Preprocess method in pretreatment of slag part has：Hot application method, heat vexed method, drum process, autoclave method and wind quenching method
It is exactly hot application method and the vexed method of heat Deng, the preprocess method being generally used now.Hot application method, it is exactly briefly hot application place
On hot melt slag, the method by fetching water, be allowed to quick cooling and part efflorescence, but because floor space is larger, and adopt
With open work, the problem of airborne dust and high alkalinity water pollution can be produced.The vexed method of heat is the pretreatment of slag work just having the nearly more than ten years
Skill；Because the vexed method operation of heat is carried out in workshop, pollution of the dust to the external world is greatly reduced, vexed slag bath has closed circuit plumbing
System, it also avoid the pollution of high alkalinity water.
As depicted in figs. 1 and 2, the vexed slag system in 4,000,000 tons of steel/years of a set of matching, there is 6 vexed slag baths (1 '), each vexed
Slag bath (1 ') has a collecting gutter (2 '), and the drainage pipeline (3 ') that collecting gutter (2 ') shares with 6 vexed slag baths (1 ') is connected, and arranges
Waterpipe (3 ') and it is connected with one big sump (4 '), vexed slag bath (1 '), drainage pipeline (3 ') and big sump (4 ') are
Reinforced concrete structure.It is very big to build input more than 30,000,000 for expense needed for such 6 vexed slag baths and its auxiliary facility.
6 vexed slag baths of the above carry out rebasing, dress slag, fetch water, vexed slag and slag tap successively, so recycle；The job stream
Cheng Caiyong is fetched water from above, and the vapor that water becomes 100 DEG C is drained, while takes away the heat of slag, hot gas below early stage of fetching water
On gush, water oozes under being not easy, and to the middle and later periods, it is most of ooze under water after and flows away in vain；While fetching water again backwater, fetch water
Amount is typically in hundreds of tons of even upper kilotons, and backwater amount also at hundreds of tons, at 1.2 tons or so fetch water by the water of slag consumption per ton
The vexed slag used time 20 is more than hour, time-consuming and water wasting；In cyclic process, for slag cooling velocity faster, primary slag is often turned over, also
Hot slag turn over excavator and dialled, it is released substantial amounts of heat so that operation cost is higher.
The existing vexed method of heat is fetched water, the method sprayed using all standing, melting more than 1,000 degrees Celsius of (highest in slag bath
1600 DEG C) slag, be all poured onto less than 100 degrees Celsius without red slags with water.Fetch water process, especially to the middle and later periods, have 2/
More than 3 water carries the ash content and DDGS in more slag, flows to big sump by collecting gutter, drainage pipeline, bottom of pond is such as
Fruit has ponding, and hot slag, which is sprinkled into, to live water cover, cause the no small blast of power.Due to the backwater amount in system described above
Larger, containing the ash content that largely deposits in the water returned, the ash content that is carried in backwater easily blocks water return pipeline, and water return pipeline
Cleaning work can increase the operation cost of system again.During hot slag is fetched water in pond, can emerge substantial amounts of steam,
Influence the operation of other slag baths in workshop；Close the lid when fetching water, fuel gas is accumulated certain in pond in the gap of slag
After amount, it can be lighted by following warm sludge and the very big blast of power occurs, danger coefficient is higher.
Therefore, the cooling of hot steel slag at present, exist construction input it is larger, water consumption is larger, operation cost it is higher and danger
The problem of dangerous coefficient is larger.
The content of the invention
It is an object of the present invention to provide the device that a kind of hot steel slag quickly cools down, and it has construction, and less input, section
Water is efficient, and operation cost is relatively low, the characteristics of job safety and preferable slag separating effect.
Technical scheme：The device that a kind of hot steel slag quickly cools down, including vexed slag bath, the sidepiece of vexed slag bath are set
There is a small sump, the bottom in vexed slag bath is provided with collecting gutter, and collecting gutter is connected by water return pipeline with small sump；It is described to catchment
The top of ditch is less than the bottom of vexed slag bath, and the bottom of small sump is less than the bottom of collecting gutter.
In the device that foregoing hot steel slag quickly cools down, small sump one end of the water return pipeline is provided with water discharging valve
And feed pipe.
In the device that foregoing hot steel slag quickly cools down, the top of the vexed slag bath is provided with lid, and lid is provided with cigarette
Cylinder connector.
In the device that foregoing hot steel slag quickly cools down, ventilating opening is additionally provided with the lid, through ventilation at ventilating opening
Pipe is connected with air-introduced machine.
In the device that foregoing hot steel slag quickly cools down, the bottom of the small sump is connected with through drainpipe draws water
Pump.
In the device that foregoing hot steel slag quickly cools down, the inwall of the vexed slag bath is provided with inner steel lining.
In the device that foregoing hot steel slag quickly cools down, the collecting gutter is provided with iron double-edged fine-toothed comb.
In the device that foregoing hot steel slag quickly cools down, the collecting gutter is arranged on the centre of vexed slag bath bottom.
In the device that foregoing hot steel slag quickly cools down, described water discharging valve includes cross bar, and cross bar is arranged on water supply
Guan Shang, one end of cross bar are provided with weight, and the other end of cross bar is hinged with pull bar, and the end of pull bar is hinged with valve catch, valve
Catch is located at the discharge outlet of water return pipeline.
In the device that foregoing hot steel slag quickly cools down, the water return pipeline tilts between collecting gutter and small sump
Set, one end of water return pipeline is arranged on the bottom of collecting gutter, and one end that water return pipeline is connected with collecting gutter is higher than catchments with small
One end of well connection.
Compared with prior art, more small sumps in vexed slag bath of the invention, and lacked in traditional vexed slag bath
Drainage pipeline is built with sump two is beaten so that building cost reduces more than 2/3, uses the vexed slag bath in 6 present invention
And its total cost of auxiliary facility has within 10,000,000 and builds the characteristics of less input.The present invention is used from vexed slag bath bottom
Portion fetches water to be cooled down to hot steel slag, the water not flowed away when fetching water, after water becomes 100 DEG C of vapor, most of water
Steam will also pass through from hot melt slag, continue to heat up, decompose, and this process can take away more heats in slag, on the water surface
After being raised to more than the top of the slag, whole pond slag by boiling water boiling, is advantageous to the efflorescence of slag, and the vexed slag process used time of fetching water is few, few with water,
The characteristics of with water-saving efficient.After hot steel slag being injected in the vexed slag bath of the present invention, it is only necessary to simple smooth, nothing is done to hot steel slag
Cost power and turn over and dial, while during being fetched water under, the water surface slowly rises, and slag will not be washed away and caused in water containing a large amount of
Ash content, last backwater amount is also seldom, and water return pipeline be used to supply water simultaneously and backwater, each backwater are deposited on interior a small amount of ashes
Point, rinsed well when can be fetched water by next time again, be substantially not present the problem of water return pipeline blocks, without clearing up water return pipeline, tool
There is the characteristics of operation cost is relatively low.Vapor caused by being fetched water under the present invention continuously can up emit, being produced in slag
Fuel gas dilute and extrude away, due to being watered not from above, above with the presence of heating red slag before completion of fetching water so that dilute
Releasing inadequate thoroughly fuel gas, upon emerging, will be burnt by red slag point above, nowhere accumulate, thoroughly solve flammable
The danger of gas burst, there is the characteristics of job safety.The vexed slag bath of the present invention has the process of boiling water slag, and steel can be caused by boiling slag
Slag breaks up more preferable, while the slag boiled, close to 100 DEG C, easily moisture evaporation is dried after now slag is dug out, Bu Huiyin
Slag overly moist and influence follow-up magnetic separation, there is the characteristics of preferable to the separating effect of slag iron in slag.Fetched water under the present invention
Structure, blast, and the gas temperature discharged are not only avoid, significantly larger than using the gas temperature for discharge of above fetching water so that
Recovery in slag cooling procedure to waste heat is possibly realized.
In addition, the collecting gutter in the present invention is arranged on the centre position of vexed slag bath bottom, there is the characteristics of conveniently fetching water；Collection
Iron double-edged fine-toothed comb on ditch can block slag and only allow water to flow away；Water return pipeline is tilted between collecting gutter and small sump and set
Put, facilitate the water in collecting gutter to be smoothly discharged into small sump；Because backwater amount is smaller, thus it is smaller using the power of suction pump,
The power of suction pump is only that the vexed big sump of slag bath of tradition draws water less than the 1/5 of pump power；The present invention water discharging valve by weight,
Cross bar, pull bar and valve catch are formed, it is only necessary to by controlling the action of weight can control valve catch, have user
Just, the characteristics of simple in construction.Therefore, less input with construction by the present invention, and water-saving efficient, operation cost is relatively low, job safety
With slag separating effect it is preferable the characteristics of.
Brief description of the drawings
Fig. 1 is the structure top view of the vexed slag system in 4,000,000 tons of steel/years in the prior art；
Fig. 2 is the structure right view of vexed slag bath in the prior art；
Fig. 3 is the structure top view of the vexed slag bath of the present invention；
Fig. 4 is the structure right view of the vexed slag bath of the present invention；
Fig. 5 is the flow chart of the vexed slag technique of the present invention.
Mark in accompanying drawing for：The vexed slag baths of 1-, the small sumps of 2-, 3- collecting gutters, 4- water return pipelines, 5- water discharging valves, 6-
Feed pipe, 7- drainpipes, 8- suction pumps, 9- lids, 10- ventilating openings, 11- chimney connectors, 12- ventilation ducts, 13- air-introduced machines,
14- inner steel linings, 15- iron double-edged fine-toothed combs, 16- cross bars, 17- weights, 18- pull bars, 19- valve catch, 1 '-vexed slag bath, 2 '-catchment
Ditch, 3 '-drainage pipeline, 4 '-big sump.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Embodiment.Enter exemplified by the vexed slag bath of pretreatment of slag of the independent backwater built up below from applicant in Tangshan
Row explanation, the length of vexed slag bath is 6m, width 6m, depth 5.5m；The depth of vexed slag bath underdrain ditch is 6m, small to catchment
The depth of well is 10m.
The device that a kind of hot steel slag quickly cools down, form as shown in Figure 3 and Figure 4, including vexed slag bath 1, the side of vexed slag bath 1
Portion is provided with small sump 2, and the bottom in vexed slag bath 1 is provided with collecting gutter 3, and collecting gutter 3 is connected by water return pipeline 4 and small sump 2
It is logical；The top of the collecting gutter 3 is less than the bottom of vexed slag bath 1, and the bottom of small sump 2 is less than the bottom of collecting gutter 3.Described time
One end of small sump 2 of waterpipe 4 is provided with water discharging valve 5 and feed pipe 6.The top of the vexed slag bath 1 is provided with lid 9, lid 9
It is provided with chimney connector 11.It is additionally provided with ventilating opening 10 on the lid 9, air-introduced machine is connected with through ventilation duct 12 at ventilating opening 10
13.The bottom of the small sump 2 is connected with suction pump through drainpipe 7.The inwall of the vexed slag bath 1 is provided with inner steel lining
14.The collecting gutter 3 is provided with iron double-edged fine-toothed comb 15.The collecting gutter 3 is arranged on the centre of the vexed bottom of slag bath 1.Described draining valve
Door 5 includes cross bar 16, and cross bar 16 is arranged on feed pipe 6, and one end of cross bar 16 is provided with weight 17, and the other end of cross bar 17 is hinged
There is pull bar 18, the end of pull bar 18 is hinged with valve catch 19, and valve catch 19 is located at the discharge outlet of water return pipeline 4.It is described
Water return pipeline 4 is obliquely installed between collecting gutter 3 and small sump 2, and one end of water return pipeline 4 is arranged on the bottom of collecting gutter 3,
One end that water return pipeline 4 is connected with collecting gutter 3 is higher than the one end being connected with small sump 2.
Wherein, the thickness of inner steel lining is 220mm.The initial temperature for heating slag is 1000~1600 DEG C.
The application method of the present invention is as shown in figure 5, comprise the following steps：
1st, it is rebasing：
(a) with suction pump by the thorough Hui Jing of ponding in vexed slag bath；
(b) with dry converter slag or hot melt slag, the bottom of pond of whole vexed slag bath is not left blank scarce whole place mats.
2nd, slag is filled：
Before folding falls the first tank hot slag, live vexed slag bath bottom situation is confirmed, there are ponding or wet slag in such as vexed slag bath bottom, it is necessary to
Using converter slag or heat the scattered slag place mat again of slag.
Hot steel slag is poured into vexed slag bath, the dress quantity of slag is 110~170m3, and it is 120~130m3 preferably to fill the quantity of slag；Often to
Vexed slag bath introversion is finished down a hot steel slag, will be to the hot steel slag stirring in vexed slag bath once；It is right after slag is completed to fill
Covered on vexed slag bath, the lid of vexed slag bath is provided with chimney connector, for connecting chimney, facilitates and is arranged outside steam；The lid of vexed slag bath
Son is provided with ventilating opening, air-introduced machine is connected with through ventilation duct at ventilating opening, for accelerating discharge of steam；Set on the inwall of vexed slag bath
There is inner steel lining, inner steel lining is provided with fixed bolt hole, and after hot steel slag fills vexed slag bath, the highest face of hot steel slag must not
More than the fixed bolt hole on inner steel lining.
3rd, fetch water：
The upper cover buckle of vexed slag bath is good；The chimney connector of upper lid and chimney are tightly connected.Water discharging valve is closed, is opened
Water supply valve, feed pipe are fetched water from vexed slag bath bottom, not backwater during fetching water, until making whole vexed slag bath.Make whole
It is 1.2~1.8 hours the time required to vexed slag bath, preferably 1.5~1.8 hours, water consumption was 80~90 tons, preferably 80~85
Ton.
4th, slag is boiled：
After making water in vexed slag bath, the amount of fetching water being turned down, keeping in vexed slag bath full-water level all the time, boiling is carried out to slag, if
The emission behaviour and pool inner water amount of steam are undesirable, reopen water supply valve again, water and slag temperature in regulating reservoir
Degree, to meeting the requirements.The time of fetching water of small water, water consumption was 40~50 tons, excellent for 6~7 hours, preferably 6.5~7 hours
Elect 45~50 tons as.
5th, cut off the water vexed slag：
When in vexed slag bath there is no being arranged outside steam, now pond internal water accumulation can still proceed with holding fluidized state, and stopping is beaten
Water, into vexed scoriform state of cutting off the water；Normal vexed slag phenomenon is that vapor is all arranged outside chimney, the lid ventilating opening on vexed slag bath
Place, have in wind direction pond and flow, at vexed slag initial stage of fetching water, the discharge that air-introduced machine accelerates steam can be started.
Vexed scoriform state keeps dropping to less than 90 DEG C stoppings to hot steel slag temperature, stops at preferably 80~85 DEG C；It is total to use
Water is below 0.4 ton/ton slag；It is 9~12 hours from the total time that terminates to vexed slag of starting to fetch water, preferably 10.5~11.5
Hour.
Wherein it is to the runoff investigation process for stopping fetching water from starting to fetch water：When just starting, ensureing the vexed normal work of slag bath
In the state of work, water is first given to maximum, then according to the ponding situation in vexed slag bath, water is progressively turned down, keeps vexed slag
All the time full-water level in pond, when in vexed slag bath there is no arranging outside steam, stop fetching water.
6th, slag tap：
(a) draining；Water supply valve is closed, opens water discharging valve, starts suction pump, the ponding in vexed slag bath is sent into water storage
Pond, backwater amount is below 50 tons；
(b) uncap；Open the lid of vexed slag bath；
(c) slag tap；The slag in vexed slag bath is transferred in conveying equipment with excavating equipment, completes a working cycles.
More small sumps in the vexed slag bath of the present invention, and lacked the drainage pipeline in traditional vexed slag bath and beaten and catchmented
Two buildings of well so that building cost reduces more than 2/3, uses the total of the vexed slag bath and its auxiliary facility in 6 present invention
Expense has within 10,000,000 and builds the characteristics of less input.The present invention fetches water come to hot steel using from vexed slag bath bottom
Slag is cooled down, the water not flowed away when fetching water, and after water becomes 100 DEG C of vapor, most of vapor will also be from hot melt steel
Passed through in slag, continue to heat up, decompose, this process can take away more heats in slag, whole after the water surface rises to more than the top of the slag
Pond slag by boiling water boiling, is advantageous to the efflorescence of slag, and the vexed slag process used time of fetching water is few, few with water, has the spy of water-saving efficient
Point.After hot steel slag being injected in the vexed slag bath of the present invention, it is only necessary to hot steel slag is done simple smooth, dialled without laborious turn over, simultaneously
During being fetched water under, the water surface slowly rises, and slag will not be washed away and to contain a large amount of ash contents, last backwater amount in water
Also seldom, water return pipeline be used to supply water simultaneously and backwater, each backwater are deposited on interior a small amount of ash contents, can fetched water next time again
When rinse well, be substantially not present the problem of water return pipeline blocks, without clearing up water return pipeline, there is the relatively low spy of operation cost
Point.Vapor caused by being fetched water under the present invention continuously can up be emitted, and caused fuel gas in slag is diluted and squeezed
Extrusion is gone, due to being watered not from above, above with the presence of the red slag of hot melt before completion of fetching water so that the inadequate thoroughly combustible gas of dilution
Body will be burnt by red slag point above upon emerging, nowhere accumulate, thoroughly solve the danger of flammable gas explosion, tool
There is the characteristics of job safety.The vexed slag bath of the present invention has the process of boiling water slag, and boiling slag can cause slag to break up more preferable, simultaneously
The slag boiled is close to 100 DEG C, and easily moisture evaporation is dried after now slag is dug out, and will not be influenceed because of slag overly moist follow-up
Magnetic separation, there is the characteristics of preferable to the separating effect of slag iron in slag.The lower water fetching structure of the present invention, not only avoid quick-fried
Gas temperature that is fried, and discharging, significantly larger than using the gas temperature for discharge of above fetching water so as to remaining in slag cooling procedure
The recovery of heat is possibly realized.
In addition, the collecting gutter in the present invention is arranged on the centre position of vexed slag bath bottom, there is the characteristics of conveniently fetching water；Collection
Iron double-edged fine-toothed comb on ditch can block slag and only allow water to flow away；Water return pipeline is tilted between collecting gutter and small sump and set
Put, facilitate the water in collecting gutter to be smoothly discharged into small sump；Because backwater amount is smaller, thus it is smaller using the power of suction pump,
The power of suction pump is only that the vexed big sump of slag bath of tradition draws water less than the 1/5 of pump power；The present invention water discharging valve by weight,
Cross bar, pull bar and valve catch are formed, it is only necessary to by controlling the action of weight can control valve catch, have user
Just, the characteristics of simple in construction.Therefore, less input with construction by the present invention, and water-saving efficient, operation cost is relatively low, job safety
With slag separating effect it is preferable the characteristics of.
Hot slag is sprinkled lives to explode in the place for having ponding water cover, and inexplosive reason of being fetched water below hot slag
It is：Blast is within the extremely short time, discharges big energy, produces high temperature, and releases a large amount of gases, in the medium of surrounding
The chemical reaction of high pressure is produced, there is extremely strong destructiveness；Hot slag is sprinkled in the place for having ponding, and water is covered suddenly, hot melt
Slag fall with water intimate contact, oneself enough heat energy, almost (very short time) is transmitted to following water simultaneously, and water becomes simultaneously
Steam expansion (state change), then an explosion occurred；When being fetched water under and, during water surface rising approaches hot slag, water meeting
Quilt priority (rather than simultaneously) boiling vaporization is baked, water be able to not can be easy to pass through heat with hot slag intimate contact, caused vapor
Slag is discharged.Described hot slag is hot steel slag.
Claims (9)
- A kind of 1. device that hot steel slag quickly cools down, it is characterised in that：Including vexed slag bath (1), the sidepiece of vexed slag bath (1) is provided with Small sump (2), the bottom in vexed slag bath (1) are provided with collecting gutter (3), and collecting gutter (3) passes through water return pipeline (4) and small sump (2) connect；The top of the collecting gutter (3) is less than the bottom of vexed slag bath (1), and the bottom of small sump (2) is less than collecting gutter (3) Bottom；Small sump (2) one end of the water return pipeline (4) is provided with water discharging valve (5) and feed pipe (6)；The present apparatus uses Fetched water from vexed slag bath bottom to be cooled down to hot steel slag.
- 2. the device that hot steel slag according to claim 1 quickly cools down, it is characterised in that：The top of the vexed slag bath (1) Portion is provided with lid (9), and lid (9) is provided with chimney connector (11).
- 3. the device that hot steel slag according to claim 2 quickly cools down, it is characterised in that：Also set on the lid (9) There is ventilating opening (10), ventilating opening (10) place is connected with air-introduced machine (13) through ventilation duct (12).
- 4. the device that hot steel slag according to claim 1 quickly cools down, it is characterised in that：The small sump (2) Bottom is connected with suction pump (8) through drainpipe (7).
- 5. the device that hot steel slag according to claim 1 quickly cools down, it is characterised in that：The vexed slag bath (1) it is interior Wall is provided with inner steel lining (14).
- 6. the device that hot steel slag according to claim 1 quickly cools down, it is characterised in that：Set on the collecting gutter (3) There is iron double-edged fine-toothed comb (15).
- 7. the device that hot steel slag according to claim 1 quickly cools down, it is characterised in that：The collecting gutter (3) is set In the centre of vexed slag bath (1) bottom.
- 8. the device that hot steel slag according to claim 1 quickly cools down, it is characterised in that：Described water discharging valve (5) Including cross bar (16), cross bar (16) is arranged on feed pipe (6), and one end of cross bar (16) is provided with weight (17), cross bar (16) The other end is hinged with pull bar (18), and the end of pull bar (18) is hinged with valve catch (19), and valve catch (19) is located at return pipe At the discharge outlet in road (4).
- 9. the device that hot steel slag according to any one of claim 1 to 8 quickly cools down, it is characterised in that：Described time Waterpipe (4) is obliquely installed between collecting gutter (3) and small sump (2), and one end of water return pipeline (4) is arranged on collecting gutter (3) bottom, one end that water return pipeline (4) is connected with collecting gutter (3) are higher than the one end being connected with small sump (2).
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| CN201610303403.2A CN105755190B (en) | 2016-05-09 | 2016-05-09 | The device that a kind of hot steel slag quickly cools down |
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| CN112680554B (en) * | 2020-12-09 | 2022-08-19 | 凉山瑞京环保资源开发有限公司 | Method for improving hot stuffiness efficiency of steel slag and hot stuffiness device |
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| WO2001088206A1 (en) * | 2000-05-19 | 2001-11-22 | Oksoo Oh | Method for recovering useful metal from slag generated in steel-making process while treating the slag |
| CN101698892A (en) * | 2009-11-09 | 2010-04-28 | 广东省韶关钢铁集团有限公司 | Hot stuffy processing device for steel slag |
| CN203741355U (en) * | 2014-03-19 | 2014-07-30 | 武钢集团昆明钢铁股份有限公司 | Circulating water cooling system capable of quickly cooling slag |
| CN104818356A (en) * | 2015-05-14 | 2015-08-05 | 新兴铸管股份有限公司 | Slag-disintegrating pool for steelmaking |
| CN205774611U (en) * | 2016-05-09 | 2016-12-07 | 浙江哈斯科节能技术有限公司 | The equipment that hot steel slag quickly cools down |
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|---|---|
| CN105755190A (en) | 2016-07-13 |
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