CN104109759B - High titanium slag wet processing system and processing method - Google Patents
High titanium slag wet processing system and processing method Download PDFInfo
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Abstract
The present invention relates to high titanium slag wet processing system and processing method, belong to metallurgical technology field.This system includes smelting furnace, granulation system, grain slag piece-rate system, pulverizing and filtration system and water circulation system; not only save the advance of prior art; also introduced the mode that wet method is slagged tap simultaneously; slag is allowed to be the formation of in cooling procedure granular; solve a large amount of dust of broken generation needed for tradition chunk products and noise problem, also solve the problem producing dust during powder process simultaneously.The present invention adopts the system approach of wet treatment titanium smelting furnace high titanium slag, and use medium is water, and it is cracking agent, is again coolant, or grinding aid, improves production efficiency and solves environmental issue.
Description
Technical field
The invention belongs to metallurgical technology field, be specifically related to high titanium slag wet processing system.
Background technology
The domestic demand to titanium greatly irritates the enthusiasm for production of Liao Tai smeltery at present, makes titanium production capacity constantly increase.Still traditional production procedure of domestic main employing, some has introduced advanced foreign technology, but still there is the problem that production process dust is too much and noise is big.
Especially in the production procedure of prior art, as shown in Figure 1, the titanium slag liquid of high melt flows directly in slag chute car, it is cooled to slag temperature drop to after the quick-fried temperature of quenching of ferrum through air, continuation of could spraying water is lowered the temperature, the slag that this type of cooling obtains is all in big block, it is necessary to after carrying out crushing in technique subsequently, sieving, magneticly elect scum, again pulverizing, could prepare qualified powdery high titanium slag product.Not only technological process length, need investment disintegrating apparatus, and the broken dust produced and noise also pollute surrounding.Therefore how overcoming the deficiencies in the prior art is the problem that current metallurgical technology field needs solution badly.
Summary of the invention
The invention aims to solve the deficiencies in the prior art, a kind of high titanium slag wet processing system is provided, this system not only saves the advance of prior art, also introduced the mode that wet method is slagged tap simultaneously, slag is allowed to be formed in cooling procedure granular, solve a large amount of dust of broken generation needed for tradition chunk products and noise problem, the dust problem produced when simultaneously also solving powder process.
The technical solution used in the present invention is as follows:
High titanium slag wet processing system; including smelting furnace, granulation system, grain slag piece-rate system, pulverizing and filtration system and water circulation system; described smelting furnace, granulation system, grain slag piece-rate system, pulverizing and filtration system are sequentially connected; described granulation system includes pelletizer; described grain slag piece-rate system includes slag bath, slag chute and driving grab bucket; slag bath is connected with slag chute, and slag bath is connected with pelletizer；Described pulverizing and filtration system include the wet grinding, medial launder and the filter that are sequentially connected, and described wet grinding is connected with slag chute；Described water circulation system includes circulating water pool and water pipe, and described granulation system, slag bath, wet grinding and filter are all connected with circulating water pool, and described slag chute can drainage with valve and valve.
Described pelletizer includes the cell body with slag inlet, water under high pressure spout and slag notch; wherein slag inlet is positioned at above water under high pressure spout; cell body top sets top cover and constitutes sealing cell body; the top sealing cell body is provided with spray thrower and steam (vapor) outlet; so that after the high titanium slag moment making inflow under high-pressure water jet effect dispels and cooling solidification becomes fine particle; together discharging from slag notch with water, lowered the temperature by spray thrower reinforcement simultaneously, the steam of generation is got rid of from steam (vapor) outlet.
Being provided with bottom described cell body and form, with horizontal plane, the slope that angle of inclination is 5～7 °, and water under high pressure spout is positioned on the cell body sidewall that slope is high-end, slag notch is positioned on another sidewall of cell body of slope low side, in order to the granule grain slag of formation slides to slag notch along slope.
Being provided with inclination slag road in described cell body, the upper end tilting slag road is connected with slag inlet, and lower end extends in cell body, and slag inlet is located at top cover side.
Described slag notch connects with adjacent slag bath, in order to the granule grain slag of formation enters in slag bath through slag notch.
Described water under high pressure spout is provided with the giant connecting feed pipe, and feed pipe is provided with control valve, in order to the water under high pressure sprayed into is regulated and controled.
Described spray thrower with on it with control valve feed pipe connect, in order to regulate and control water spray.
Pelletizer of the present invention must surrounding airtight because spray water under high pressure process in, in molten state high titanium slag exist a small amount of ferrum can miniature blast, so must airtight, simultaneously adopt spray equipment reduce explode power and cool down further.
Further, also including drying system, described drying system is connected with the filter in pulverizing and filtration system.
It is further preferred that described drying system includes drying kiln.
Further, also including magnetic separation system, described magnetic separation system is connected between grain slag piece-rate system and pulverizing and filtration system.
It is further preferred that described magnetic separation system includes magnetic separator, being arranged on slag chute, slag tap middle abrasive grit with magnetic separation, carry out wet grinding afterwards again, the abrasive grit magneticly elected returns to and continues in smelting furnace to smelt.
The present invention also provides for a kind of high titanium slag wet treatment method, uses above-mentioned high titanium slag wet processing system, comprises the steps:
Step (1); after molten state high titanium slag in smelting furnace is released from cinder notch; flow in the pelletizer in granulation system; by grain slag mass ratio 6-10:1; under the effect that water under high pressure and spray thrower are sprayed water, liquid slag it is granulated and cools down, forming grain slag mixed liquor; having a small amount of steam to be discharged by the steam (vapor) outlet of pelletizer, the temperature of described grain slag mixed liquor is at 60-80 DEG C simultaneously；
Step (2), the grain slag mixed liquor that step (1) obtains enters grain slag piece-rate system, initially enters slag bath, with driving grab bucket, demersal slag is caught in slag chute, the water filtered through slag chute is back in slag bath, and the water in slag bath is pumped to water circulation system, and filtering residue is put into pulverizing and filtration system；
Step (3), filtering residue that step (2) obtains sends into wet milk and from water circulation system diversion, water is added in the ratio of grain slag mass ratio 3-3.5:1, grind, grind equal granularity to reach the qualified slurry of 80-150 order and put into medial launder, enter filter afterwards, be under-0.02MPa in vacuum, carry out separating of water and slag；The water filtered out reenters water circulation system, and slag is directly used in titanium white production or produces for Titanium.
Slag described in technical solution of the present invention is for concretely comprising the following steps that Titanium produces: slag enters drying system, first it is enter drying kiln to dry, with smelting exhaust as thermal source, pan tank cooling is entered after being dried by slag, after carry out finished product packing, obtain high titanium slag powder, i.e. the raw materials for production of Titanium titanium sponge.
A small amount of dust that in technical solution of the present invention, drying course produces is by, after bag type dust collection, sending into pan tank.
The filtering residue obtained in step (2) in technical solution of the present invention first passes through magnetic separation system and enters back into pulverizing and filtration system；Filtering residue enters magnetic separator and slags tap middle abrasive grit with magnetic separation, enters back into pulverizing and filtration system afterwards, and the abrasive grit magneticly elected returns to and continues in smelting furnace to smelt.
In technical solution of the present invention, it is further preferred that in the grain slag mixed liquor described in step (1), slag is 0.5-5mm granule.
The task of water circulation system is to provide the raw water of whole wet production system, and the water yield is 5 times of overall process water consumption.Wherein water under high pressure be used as to be granulated in pelletizer with cool down, pulp water remakes raw water circulation after separating, if temperature height also needs to cool down with cooling tower, and the water and cross drainage and use also into blood circulation of sizing mixing of wet grinding.
Compared with prior art, it has the beneficial effect that the present invention(1) high titanium slag wet processing system of the present invention, not only save the advance of prior art, also introduced the mode that wet method is slagged tap simultaneously, slag is allowed to be the formation of in cooling procedure granular, solve a large amount of dust of broken generation needed for tradition chunk products and noise problem, the problem producing dust when simultaneously also solving powder process；(2) present invention adopts the system approach of wet treatment titanium smelting furnace high titanium slag, and use medium is water, and it is cracking agent, is again coolant, or grinding aid；(3) present invention improves production efficiency, and the cool time of traditional method, up to 5-6 hour, uses instead after wet method slags tap, and cool time is with regard to a few minutes and solves environmental issue, and the slag tap noise of ball mill of dry method reaches 120 decibels, wet grinding then only 80 decibels；The air-borne dust of dry method is up to 300mg/Nm3, wet method is then lower than 10mg/Nm3。
Accompanying drawing explanation
Fig. 1 is the flow sheet of prior art；
Fig. 2 is the schematic diagram of high titanium slag wet processing system of the present invention；
Fig. 3 is the schematic diagram of another high titanium slag wet processing system of the present invention；
Fig. 4 is the structural representation of pelletizer of the present invention；
Wherein, 1-water circulation system, 2-pulverizing and filtration system, 3-grain slag piece-rate system, 4-slag inlet, 5-tilts slag road, 6-top cover, the 7-feed pipe with controlling valve, 8-spray thrower, 9-steam (vapor) outlet, another sidewall of 10-, 11-slag bath, 12-slag notch, 13-slope, 14-cell body, 15-water under high pressure spout, 16-giant, 17-sidewall.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail with embodiment.
As shown in Figure 2; high titanium slag wet processing system; including smelting furnace, granulation system, grain slag piece-rate system 3, pulverizing and filtration system 2 and water circulation system 1; described smelting furnace, granulation system, grain slag piece-rate system 3, pulverizing and filtration system 2 are sequentially connected; described granulation system includes pelletizer; described grain slag piece-rate system 3 includes slag bath, slag chute and driving grab bucket, and slag bath is connected with slag chute, and slag bath is connected with pelletizer；Described pulverizing and filtration system 2 include the wet grinding, medial launder and the filter that are sequentially connected, and described wet grinding is connected with slag chute；Described water circulation system includes circulating water pool and water pipe, and described granulation system, slag bath, wet grinding and filter are all connected with circulating water pool；Described slag chute can drainage with valve and valve.High titanium slag wet processing system also includes drying system, and described drying system is connected with the filter in pulverizing and filtration system, and described drying system includes revolution drying kiln.
As it is shown on figure 3, high titanium slag wet processing system also includes magnetic separation system, described magnetic separation system is connected between grain slag piece-rate system 3 and pulverizing and filtration system 2.Described magnetic separation system includes magnetic separator, is arranged on slag chute, slags tap middle abrasive grit with magnetic separation, carries out wet grinding afterwards again, and the abrasive grit magneticly elected returns to and continues in smelting furnace to smelt.
As shown in Figure 4, described pelletizer includes band slag inlet 4, the cell body 14 of water under high pressure spout 15 and slag notch 12, wherein slag inlet 4 is positioned at above water under high pressure spout 15, cell body 14 top sets top cover 6 and constitutes sealing cell body, the top sealing cell body is provided with spray thrower 8 and steam (vapor) outlet 9, it is provided with bottom cell body 14 and the slope 13 at 5～7 ° of angle of inclination of horizontal plane formation, and water under high pressure spout 15 is positioned on slope 13 high-end cell body 14 sidewall 17, slag notch 12 is positioned at bottom another sidewall 10 of cell body 14 of slope 13 low side, inclination slag road 5 it is provided with in cell body 14, the upper end tilting slag road 5 is connected with slag inlet 4, lower end extends in cell body 14, slag inlet 4 is located at top cover 6 side；Described slag notch 12 connects with adjacent slag bath 11, in order to the granule grain slag of formation enters in slag bath 11 through slag notch 12；Described water under high pressure spout 15 is provided with the giant 16 connecting feed pipe, and feed pipe is provided with control valve, in order to the water under high pressure sprayed into is regulated and controled；Described spray thrower 8 with on it with control valve feed pipe 7 connect, in order to regulation and control water spray.
Embodiment 1
A kind of high titanium slag wet treatment method, uses above-mentioned high titanium slag wet processing system, comprises the steps:
Step (1); after molten state high titanium slag in smelting furnace is released from cinder notch; flow in the pelletizer in granulation system; by grain slag mass ratio 6:1; under the effect that water under high pressure and spray thrower are sprayed water, liquid slag it is granulated and cools down, forming grain slag mixed liquor; having a small amount of steam to be discharged by the steam (vapor) outlet of pelletizer, the temperature of described grain slag mixed liquor is 60 DEG C simultaneously；In wherein said grain slag mixed liquor, slag is 0.5-5mm granule；
Step (2), the grain slag mixed liquor that step (1) obtains enters grain slag piece-rate system, initially enters slag bath, with driving grab bucket, demersal slag is caught in slag chute, the water filtered through slag chute is back in slag bath, and the water in slag bath is pumped to water circulation system, and filtering residue is put into pulverizing and filtration system；
Step (3), filtering residue that step (2) obtains sends into wet grinding and from water circulation system diversion, water is added in the ratio of grain slag mass ratio 3:1, grind, grind equal granularity to reach the qualified slurry of 80-150 order and put into medial launder, enter filter afterwards, be under-0.02MPa in vacuum, carry out separating of water and ground-slag；The water filtered out reenters water circulation system, and ground-slag is directly used in titanium white production or produces for Titanium.
Ground-slag described in technical solution of the present invention produces for Titanium and concretely comprises the following steps: ground-slag enters drying system, is first enter drying kiln, with smelting exhaust as thermal source, pan tank cooling is entered after being dried by ground-slag, after carry out finished product packing, obtain high titanium slag powder, i.e. the raw materials for production of Titanium.
Wherein, a small amount of dust that drying course produces is by, after bag type dust collection, sending into pan tank.
Embodiment 2
A kind of high titanium slag wet treatment method, uses above-mentioned high titanium slag wet processing system, comprises the steps:
Step (1); after molten state high titanium slag in smelting furnace is released from cinder notch; flow in the pelletizer in granulation system; by grain slag mass ratio 10:1; under the effect that water under high pressure and spray thrower are sprayed water, liquid slag it is granulated and cools down, forming grain slag mixed liquor; having a small amount of steam to be discharged by the steam (vapor) outlet of pelletizer, the temperature of described grain slag mixed liquor is 80 DEG C simultaneously；In wherein said grain slag mixed liquor, slag is 0.5-5mm granule；
Step (2), the grain slag mixed liquor that step (1) obtains enters grain slag piece-rate system, initially enters slag bath, with driving grab bucket, demersal slag is caught in slag chute, the water filtered through slag chute is back in slag bath, and the water in slag bath is pumped to water circulation system, and filtering residue is put into pulverizing and filtration system；
Step (3), filtering residue that step (2) obtains sends into wet grinding and from water circulation system diversion, water is added in the ratio of grain slag mass ratio 3.5:1, grind, grind equal granularity to reach the qualified slurry of 80-150 order and put into medial launder, enter filter afterwards, be under-0.02MPa in vacuum, carry out separating of water and ground-slag；The water filtered out reenters water circulation system, and ground-slag is directly used in titanium white production or produces for Titanium.
Ground-slag described in technical solution of the present invention produces for Titanium and concretely comprises the following steps: ground-slag enters drying system, is first enter drying kiln, with smelting exhaust as thermal source, pan tank cooling is entered after being dried by ground-slag, after carry out finished product packing, obtain high titanium slag powder, i.e. the raw materials for production of Titanium.
Wherein, a small amount of dust that drying course produces is by, after bag type dust collection, sending into pan tank.
Embodiment 3
A kind of high titanium slag wet treatment method, uses above-mentioned high titanium slag wet processing system, comprises the steps:
Step (1); after molten state high titanium slag in smelting furnace is released from cinder notch; flow in the pelletizer in granulation system; by grain slag mass ratio 8:1; under the effect that water under high pressure and spray thrower are sprayed water, liquid slag it is granulated and cools down, forming grain slag mixed liquor; having a small amount of steam to be discharged by the steam (vapor) outlet of pelletizer, the temperature of described grain slag mixed liquor is 70 DEG C simultaneously；In wherein said grain slag mixed liquor, slag is 0.5-5mm granule；
Step (2), the grain slag mixed liquor that step (1) obtains enters grain slag piece-rate system, initially enters slag bath, with driving grab bucket, demersal slag is caught in slag chute, the water filtered through slag chute is back in slag bath, and the water in slag bath is pumped to water circulation system, and filtering residue is put into pulverizing and filtration system；
Step (3), filtering residue that step (2) obtains sends into wet grinding and from water circulation system diversion, water is added in the ratio of grain slag mass ratio 3.2:1, grind, grind equal granularity to reach the qualified slurry of 80-150 order and put into medial launder, enter filter afterwards, be under-0.02MPa in vacuum, carry out separating of water and ground-slag；The water filtered out reenters water circulation system, and ground-slag is directly used in titanium white production or produces for Titanium.
Ground-slag described in technical solution of the present invention produces for Titanium and concretely comprises the following steps: ground-slag enters drying system, is first enter drying kiln, with smelting exhaust as thermal source, pan tank cooling is entered after being dried by ground-slag, after carry out finished product packing, obtain high titanium slag powder, i.e. the raw materials for production of Titanium.
Wherein, a small amount of dust that drying course produces is by, after bag type dust collection, sending into pan tank.
Embodiment 4
A kind of high titanium slag wet treatment method, uses above-mentioned high titanium slag wet processing system, comprises the steps:
Step (1); after molten state high titanium slag in smelting furnace is released from cinder notch; flow in the pelletizer in granulation system; by grain slag mass ratio 8:1; under the effect that water under high pressure and spray thrower are sprayed water, liquid slag it is granulated and cools down, forming grain slag mixed liquor; having a small amount of steam to be discharged by the steam (vapor) outlet of pelletizer, the temperature of described grain slag mixed liquor is 70 DEG C simultaneously；In wherein said grain slag mixed liquor, slag is 0.5-5mm granule；
Step (2), the grain slag mixed liquor that step (1) obtains enters grain slag piece-rate system, initially enter slag bath, with driving grab bucket, demersal slag is caught in slag chute, the water filtered through slag chute is back in slag bath, water in slag bath is pumped to water circulation system, and filtering residue first passes through magnetic separation system and enters back into pulverizing and filtration system；Filtering residue enters magnetic separator and slags tap middle abrasive grit with magnetic separation, enters back into pulverizing and filtration system afterwards, and the abrasive grit magneticly elected returns to and continues in smelting furnace to smelt；
Step (3), filtering residue that step (2) obtains sends into wet grinding and from water circulation system diversion, water is added in the ratio of grain slag mass ratio 3.2:1, grind, grind equal granularity to reach the qualified slurry of 80-150 order and put into medial launder, enter filter afterwards, be under-0.02MPa in vacuum, carry out separating of water and ground-slag；The water filtered out reenters water circulation system, and ground-slag is directly used in titanium white production or produces for Titanium.
Ground-slag described in technical solution of the present invention produces for Titanium and concretely comprises the following steps: ground-slag enters drying system, is first enter drying kiln, with smelting exhaust as thermal source, pan tank cooling is entered after being dried by ground-slag, after carry out finished product packing, obtain high titanium slag powder, i.e. the raw materials for production of Titanium.
Wherein, a small amount of dust that drying course produces is by, after bag type dust collection, sending into pan tank.
Claims (10)
1. high titanium slag wet processing system; it is characterized in that including smelting furnace, granulation system, grain slag piece-rate system, pulverizing and filtration system and water circulation system; described smelting furnace, granulation system, grain slag piece-rate system, pulverizing and filtration system are sequentially connected; described granulation system includes pelletizer; described grain slag piece-rate system includes slag bath, slag chute and driving grab bucket; slag bath is connected with slag chute, and slag bath is connected with pelletizer；Described pulverizing and filtration system include the wet milk, medial launder and the filter that are sequentially connected, and described wet milk is connected with slag chute；Described water circulation system includes circulating water pool and water pipe, and described granulation system, slag bath, wet milk and filter are all connected with circulating water pool, and described slag chute can drainage with valve and valve；
Described pelletizer includes the cell body with slag inlet, water under high pressure spout and slag notch; wherein slag inlet is positioned at above water under high pressure spout; cell body top sets top cover and constitutes sealing cell body; the top sealing cell body is provided with spray thrower and steam (vapor) outlet; so that after the high titanium slag moment making inflow under high-pressure water jet effect dispels and cooling solidification becomes fine particle; together discharging from slag notch with water, lowered the temperature by spray thrower reinforcement simultaneously, the steam of generation is got rid of from steam (vapor) outlet.
2. high titanium slag wet processing system according to claim 1, it is characterized in that being provided with bottom described cell body and form, with horizontal plane, the slope that angle of inclination is 5～7 °, and water under high pressure spout is positioned on the cell body sidewall that slope is high-end, slag notch is positioned on another sidewall of cell body of slope low side, in order to the granule grain slag of formation slides to slag notch along slope；
Being provided with inclination slag road in described cell body, the upper end tilting slag road is connected with slag inlet, and lower end extends in cell body, and slag inlet is located at top cover side；
Described slag notch connects with adjacent slag bath, in order to the granule grain slag of formation enters in slag bath through slag notch；
Described water under high pressure spout is provided with the giant connecting feed pipe, and feed pipe is provided with control valve, in order to the water under high pressure sprayed into is regulated and controled；
Described spray thrower with on it with control valve feed pipe connect, in order to regulate and control water spray.
3. high titanium slag wet processing system according to claim 1, it is characterised in that also including drying system, described drying system is connected with the filter in pulverizing and filtration system.
4. high titanium slag wet processing system according to claim 3, it is characterised in that described drying system includes drying kiln.
5. high titanium slag wet processing system according to claim 1, it is characterised in that also including magnetic separation system, described magnetic separation system is connected between grain slag piece-rate system and pulverizing and filtration system.
6. high titanium slag wet processing system according to claim 5, it is characterised in that described magnetic separation system includes magnetic separator, is arranged on slag chute, slags tap middle abrasive grit with magnetic separation, carries out wet grinding afterwards again.
7. a high titanium slag wet treatment method, uses the high titanium slag wet processing system described in claim 1 or 2, it is characterised in that comprise the steps:
Step (1); after molten state high titanium slag in smelting furnace is released from cinder notch; flow in the pelletizer in granulation system; by grain slag mass ratio 6-10:1; under the effect that water under high pressure and spray thrower are sprayed water, liquid slag it is granulated and cools down, forming grain slag mixed liquor; having a small amount of steam to be discharged by the steam (vapor) outlet of pelletizer, the temperature of described grain slag mixed liquor is at 60-80 DEG C simultaneously；
Step (2), the grain slag mixed liquor that step (1) obtains enters grain slag piece-rate system, initially enters slag bath, with driving grab bucket, demersal slag is caught in slag chute, the water filtered through slag chute is back in slag bath, and the water in slag bath is pumped to water circulation system, and filtering residue is put into pulverizing and filtration system；
Step (3), filtering residue that step (2) obtains sends into wet grinding and from water circulation system diversion, water is added in the ratio of grain slag mass ratio 3-3.5:1, grind, grind equal granularity to reach the qualified slurry of 80-150 order and put into medial launder, enter filter afterwards, be under-0.02MPa in vacuum, carry out separating of water and ground-slag；The water filtered out reenters water circulation system, and ground-slag is directly used in titanium white production or produces for Titanium.
8. high titanium slag wet treatment method according to claim 7, it is characterized in that described ground-slag produces for Titanium to concretely comprise the following steps: ground-slag enters drying system, first it is enter drying kiln, with smelting exhaust as thermal source, pan tank cooling is entered after being dried by ground-slag, after carry out finished product packing, obtain high titanium slag powder, i.e. the raw materials for production of Titanium；
A small amount of dust that drying course produces is by, after bag type dust collection, sending into pan tank.
9. high titanium slag wet treatment method according to claim 7, it is characterised in that the filtering residue obtained in step (2) first passes through magnetic separation system and enters back into pulverizing and filtration system；Filtering residue enters magnetic separator and slags tap middle abrasive grit with magnetic separation, enters back into pulverizing and filtration system afterwards, and the abrasive grit magneticly elected returns to and continues in smelting furnace to smelt.
10. high titanium slag wet treatment method according to claim 7, it is characterised in that in the grain slag mixed liquor described in step (1), slag is 0.5-5mm granule.
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| CN105463192A (en) * | 2016-02-01 | 2016-04-06 | 攀钢集团攀枝花钢铁研究院有限公司 | Titanium slag cooling treatment method |
| CN105907904B (en) * | 2016-06-01 | 2017-08-25 | 重庆大学 | A kind of titanium-containing blast furnace slag dry granulation and methane carbonization puies forward titanium processing unit and method |
| CN106498109B (en) * | 2016-11-23 | 2017-08-29 | 昆明理工大学 | A kind of method of grade titanium slag in use vanadium titano-magnetite concentrate production |
| CN109518010A (en) * | 2018-11-23 | 2019-03-26 | 宜宾天原集团股份有限公司 | A kind of fine fraction rich-titanium material prilling process |
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| CN201265014Y (en) * | 2008-01-23 | 2009-07-01 | 四川龙蟒集团有限责任公司 | Titanium-enriched graining processing unit |
| CN102399998B (en) * | 2011-11-18 | 2014-03-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Method for reducing and smelting titania slag by utilizing vanadium-titanium-iron ore concentrates in molten state |
| CN102534236A (en) * | 2012-02-20 | 2012-07-04 | 武汉科技大学 | Method for recovering valuable metal from metallurgical slag materials |
| CN102633447A (en) * | 2012-04-23 | 2012-08-15 | 王开玺 | Process method for preparing palletized blast-furnace titanium slag into active slag powder |
| CN102690909B (en) * | 2012-05-31 | 2013-12-18 | 四川川润股份有限公司 | Gas breaking and granulating device for high-temperature liquid state blast-furnace slag |
| CN103305640B (en) * | 2013-05-21 | 2014-10-29 | 河北钢铁股份有限公司承德分公司 | Slag treatment method of blast furnace for smelting vanadium-titanium magnetic iron ores and water granulated slag flushing box |
| CN203360462U (en) * | 2013-05-21 | 2013-12-25 | 河北钢铁股份有限公司承德分公司 | Furnace slag granulation device of blast furnace for smelting vanadium titano-magnetite |
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2014
- 2014-08-12 CN CN201410392578.6A patent/CN104109759B/en not_active Expired - Fee Related
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