CN202744566U - Steel-making desulfurized slag treatment system - Google Patents
Steel-making desulfurized slag treatment system Download PDFInfo
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- CN202744566U CN202744566U CN2012203499200U CN201220349920U CN202744566U CN 202744566 U CN202744566 U CN 202744566U CN 2012203499200 U CN2012203499200 U CN 2012203499200U CN 201220349920 U CN201220349920 U CN 201220349920U CN 202744566 U CN202744566 U CN 202744566U
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The utility model discloses a steel-making desulfurized slag treatment system which comprises a screening device, a first shot blasting slag-iron separation chamber, a first separator, a second shot blasting slag-iron separation chamber and a second separator, wherein the screening device is used for dividing desulfurized slag into fine pellets and rough pellets; the rough pellets are transmitted into the first shot blasting slag-iron separation chamber, and the first shot blasting slag-iron separation chamber is provided with a rough pellet classifier and a fine pellet collector; the fine pellets are transmitted into the first separator; the rough pellets coming from the rough pellet classifier of the first shot blasting slag-iron separation chamber are transmitted into the second shot blasting slag-iron separation chamber; and the fine pellets coming from the fine pellet collector of the first shot blasting slag-iron separation chamber are transmitted into are transmitted into the second separator. A shot blasting device is used for causing the fine pellets coming from the first separator and the rough pellets coming from the screening device to have high-speed collision in the first shot blasting slag-iron separation chamber and causing the fine pellets coming from the second separator and the rough pellets coming from the first shot blasting slag-iron separation chamber to have high-speed collision in the second shot blasting slag-iron separation chamber.
Description
Technical field
The utility model belongs to the smelting field of steel-making, relates to a kind of steel desulfurization slag disposal system, specifically, relates to a kind of quality that can improve the steel desulfurization slag with the steel desulfurization slag disposal system of the recycling that benefits desulfurization slag.
Background technology
In the process for making process in order to reduce the sulphur content in the steel, on steelmaking process, all to adopt sulfur removal technology, therefore, iron and steel enterprise will produce a large amount of desulfurization slag every year, in desulfurization slag is processed, mostly adopt simple sieve classification treatment process in the prior art or mix with other steel slag and separate, be used for anti-steel-making with the steel that will reclaim.
Yet these treatment process Main Problems of the prior art have: (1) produces dust in treating processes, on the surrounding enviroment impact greatly; (2) the bulk residue iron surface after the processing adheres to a large amount of sulfur-bearing Graphite Powder 99s, if directly will adhere to sulfur-bearing bulk slag iron back mixing steel, then can have a negative impact to the control of steel-making sulphur; (3) graphite carbon that contains in the desulfurization slag is not effectively recycled.
The utility model content
Each side of the present utility model can resolve at least one or more of the problems as set forth in the prior art, thereby the steel desulfurization slag disposal system of the recycling of a kind of quality that can improve the steel desulfurization slag to benefit desulfurization slag is provided.
One side of the present utility model provides a kind of steel desulfurization slag disposal system, and described steel desulfurization slag disposal system comprises: screening plant is divided into thin ball material and thick ball material with desulfurization slag; The first ball blast slag iron separate chamber, thick ball material is transferred to the first ball blast slag iron separate chamber, and the first ball blast slag iron separate chamber has thick ball material sorter and thin ball material collector; The first separator, thin ball material is transferred to the first separator, with the dust separation that contains in the thin ball material out; The second ball blast slag iron separate chamber is transferred to the second ball blast slag iron separate chamber from the thick ball material of the thick ball material sorter of the first ball blast slag iron separate chamber; The second separator is transferred to the second separator from the thin ball material of the thin ball material collector of the first ball blast slag iron separate chamber, with the dust separation that will contain in the thin ball material out.The thin ball material that is transferred to the first separator is transported to the first ball blast slag iron separate chamber, and utilize peener to make from the thin ball material of the first separator and thick ball material from screening plant and in the first ball blast slag iron separate chamber, carry out high-speed impact, the thin ball material that is transferred to the second separator is transported to the second ball blast slag iron separate chamber, and utilizes peener to make from the thin ball material of the second separator and thick ball material from the first ball blast slag iron separate chamber and carry out high-speed impact in the second ball blast slag iron separate chamber.
According on the other hand of the present utility model, the particle diameter of thin ball material can be less than 5mm, and the particle diameter of thick ball material can be greater than 5mm.
According on the other hand of the present utility model, described system also can comprise pre-screening plant, to remove particle diameter greater than the desulfurization slag of 150-300mm.
According on the other hand of the present utility model, described system also can comprise cleaning apparatus, cleaning apparatus can be collected respectively from the dust of screening plant, the first ball blast slag iron separate chamber, the first separator, the second ball blast slag iron separate chamber and the second separator, and the graphite carbon in the recyclable dust.
According on the other hand of the present utility model, the second ball blast slag iron separate chamber can have thin ball material collector, thereby ball blast slag iron separated product can be divided into a steel and bulk steel.
According on the other hand of the present utility model, thick ball material sorter can comprise magnetic separation roller.
Description of drawings
By the description to embodiment of carrying out below in conjunction with accompanying drawing, above-mentioned and/or other purpose of the present utility model and advantage will become apparent, wherein:
Fig. 1 is the synoptic diagram according to the steel desulfurization slag disposal system of the utility model exemplary embodiment;
Fig. 2 is the synoptic diagram according to the steel desulfurization slag disposal system of another exemplary embodiment of the utility model.
Embodiment
Describe below with reference to accompanying drawings the utility model in detail.Exemplary embodiment of the present utility model shown in the drawings, however it will be appreciated by those skilled in the art that and provide these accompanying drawings so that the disclosure will be thoroughly and completely, rather than for the restriction the purpose of this utility model.Therefore, the embodiment shown in the accompanying drawing is illustrative, and should not be interpreted as limiting scope of the present utility model.
Fig. 1 is the synoptic diagram according to the steel desulfurization slag disposal system of the utility model exemplary embodiment.With reference to Fig. 1, can comprise according to the steel desulfurization slag disposal system 100 of an exemplary embodiment of the utility model: screening plant 110 is divided into thin ball material and thick ball material with desulfurization slag; The first ball blast slag iron separate chamber 120, thick ball material is transferred to 120, the first ball blast slag iron separate chambers 120, the first ball blast slag iron separate chamber and has thick ball material sorter (not shown) and thin ball material collector (not shown); The first separator 130, thin ball material is transferred to the first separator 130, with the dust separation that will contain in the thin ball material out; The second ball blast slag iron separate chamber 140 is transferred to the second ball blast slag iron separate chamber 140 from the thick ball material of the thick ball material sorter of the first ball blast slag iron separate chamber 120; The second separator 150 is transferred to the second separator 150 from the thin ball material of the thin ball material collector of the first ball blast slag iron separate chamber 120.The thin ball material that is transferred to the first separator 130 is transported to the first ball blast slag iron separate chamber 120, and utilize the peener (not shown) to make from the thin ball material of the first separator 130 and thick ball material from screening plant and in the first ball blast slag iron separate chamber 120, carry out high-speed impact, the thin ball material that is transferred to the second separator 150 is transported to the second ball blast slag iron separate chamber 140, and utilizes the peener (not shown) to make from the thin ball material of the second separator 150 and thick ball material from the first ball blast slag iron separate chamber 120 and carry out high-speed impact in the second ball blast slag iron separate chamber 140.Can be recovered to product pond 160 through the steel after the separation of twice bump slag iron, behind centralized recovery, to be used for anti-steel-making.
According to an embodiment of the present utility model, screening plant 110 can be vibratory screening apparatus, yet the utility model is not limited to this, can use such as trommel screen etc. to be suitable for other screening plant with the feed separation of different-grain diameter.The sieve aperture of screening plant can be 5mm, thus with desulfurization slag screening for particle diameter less than the thin ball material of 5mm and the particle diameter thick ball material more than or equal to 5mm.
According to an embodiment of the present utility model, the thin ball material collector of the first ball blast slag iron separate chamber 120 can be arranged on the receiving tank of bottom, separate chamber.Thin ball material can drop in the receiving tank along the slit between the thick ball material after clashing into thick ball material.The thin ball material that e Foerderanlage (for example, screw feeder) will collect can be set in receiving tank be delivered to the second separator 150.Yet the utility model is not limited to this, can collect thin ball material in the first ball blast slag iron separate chamber 120 with other thin ball material collection device, and the thin ball material that will collect is delivered to the second separator 150.
According to an embodiment of the present utility model, the thick ball material sorter of the first ball blast slag iron separate chamber 120 can be magnetic separation roller, and magnetic separation roller can be with the iron sucking-off in the thick ball material, and it is delivered to the second ball blast slag iron separate chamber 140 to be further processed.
The first separator 130 and the second separator 150 can be used for the dust separation that will contain in the thin ball material out.In addition, the first separator 130 and the second separator 150 also can be separated the particle diameter that is mixed with in the thin ball material greater than the ball material of 5mm, and diameter can be directly as product-collecting greater than the ball material of 5mm.Isolated dust can be delivered to dust-removal system to carry out dedusting and recovery graphite carbon wherein.
Peener can be peener or shotblast unit commonly used in the prior art, thereby can be with the surface of the thick ball material in thin ball material high-velocity jet to the first ball blast slag iron separate chamber 120 or the second ball blast slag iron separate chamber 140.Thereby can utilize friction, collision between thin ball material and the thick ball material iron in the desulfurization slag to be separated with slag, and can remove the sulfur-bearing dust (for example, Graphite Powder 99) that iron surface adheres to.Desulfurization slag can make most of iron and slag separate after processing through the first ball blast slag iron separate chamber 120, then, Tie Tong crosses thick ball material sorter and is transported to the second ball blast slag iron separate chamber 140, and after carrying out for the second time Shot Blasting, further remove the foreign material such as various slags that iron surface adheres to, dust, thereby can reclaim the higher iron of degree of cleaning.After twice slag iron separated, bulk high purity slag iron was out collected as product, and dust all enters fly-ash separator and processes, to carry out dedusting and recovery graphite carbon wherein.
According to an embodiment of the present utility model, desulfurization slag treatment system 100 also can comprise the cleaning apparatus (not shown), cleaning apparatus is collected respectively from the dust of screening plant 110, the first ball blast slag iron separate chamber 120, the first separator 130, the second ball blast slag iron separate chamber 140 and the second separator 150, and reclaims the graphite carbon in the dust.
Fig. 2 is the synoptic diagram according to the steel desulfurization slag disposal system of another embodiment of the utility model.With reference to Fig. 2, can comprise according to the steel desulfurization slag disposal system 200 of this exemplary embodiment of the utility model: pre-screening plant 201, remove the larger desulfurization slag of particle diameter; Screening plant 210 is divided into thin ball material and thick ball material with desulfurization slag; The first ball blast slag iron separate chamber 220, thick ball material is transferred to 220, the first ball blast slag iron separate chambers 220, the first ball blast slag iron separate chamber and has thick ball material sorter (not shown) and thin ball material collector (not shown); The first separator 230, thin ball material are transferred to the first separator 230 with the dust separation that will contain in the thin ball material out; The second ball blast slag iron separate chamber 240 is transferred to the second ball blast slag iron separate chamber 240 from the thick ball material of the thick ball material sorter of the first ball blast slag iron separate chamber 220; The second separator 250 is transferred to the second separator 250 from the thin ball material of the thin ball material collector of the first ball blast slag iron separate chamber 220.The thin ball material that is transferred to the first separator 230 is transported to the first ball blast slag iron separate chamber 220, and utilize the peener (not shown) to make from the thin ball material of the first separator 230 and thick ball material from screening plant and in the first ball blast slag iron separate chamber 220, carry out high-speed impact, the thin ball material that is transferred to the second separator 250 is transported to the second ball blast slag iron separate chamber 240, and utilizes the peener (not shown) to make from the thin ball material of the second separator 250 and thick ball material from the first ball blast slag iron separate chamber 220 and carry out high-speed impact in the second ball blast slag iron separate chamber 240.Wherein, also can in the second ball blast slag iron separate chamber 240, thin ball material collection device be set, thereby thin ball material is collected together, so that ball blast slag iron separated product is divided into a steel and bulk steel.
Except pre-screening plant 201 be arranged on the thin ball material collection device in the second ball blast slag iron separate chamber 240, can be basic identical with the steel desulfurization slag disposal system 100 according to previous embodiment according to the steel desulfurization slag disposal system 200 of this exemplary embodiment.Therefore for for the purpose of concise and to the point, will omit being repeated in this description same parts.
The thin ball material collection device that arranges in the second ball blast slag iron separate chamber 240 can be collected thin ball material together, thereby grain steel and bulk steel can be separated.According to an embodiment of the present utility model, but thin ball material collection device collection cut size less than the steel grit of 10mm, thereby will be delivered to less than the steel grit of 10mm product zone 270, and will be delivered to greater than the bloom of 10mm product pond 260.Steel grit less than 10mm can be used as sintering process, can be used for steel-making greater than the bloom of 10mm.According to an embodiment of the present utility model, can carry out classification by using the 10mm diagrid, thereby product is divided into particle diameter less than the steel grit of 10mm and the particle diameter bloom greater than 10mm.
Utilize steel desulfurization slag disposal system of the present utility model desulfurization slag can be divided into thick ball material and thin ball material, and by collision, friction between thick ball material and the thin ball material, steel and slag in the desulfurization slag are separated.And steel desulfurization slag disposal system of the present utility model can be classified as the steel after separating bulk steel and the steel grit below the 10mm (iron fine powder) more than the 10mm.Bulk steel surface sulfur-bearing and graphite carbon are less, can be directly used in steel-making, and steel grit can be used for sintering.In addition, the dust that produces in the effectively collection and treatment process of the utility model, and the graphite carbon that comprises in the recyclable dust economize on resources thereby can improve the desulfurization slag treatment effect and reclaim.
According to an embodiment of the present utility model, can utilize magnetic separation roller and receiving tank to collect respectively thick ball material and thin ball material, to carry out the step that thin ball material and thick ball material Re-isolation are opened.In addition, collecting for the second time, the step of the rear product that obtains of bump also comprises the step that slag iron separated product is divided into a steel and bulk steel.
Although described in conjunction with the specific embodiments the utility model, yet those of ordinary skills are to be understood that, in the situation that does not break away from spirit and scope of the present utility model, can carry out various modifications and change to these embodiment, scope of the present utility model is limited by claims and equivalent thereof.
Claims (6)
1. steel desulfurization slag disposal system is characterized in that described steel desulfurization slag disposal system comprises:
Screening plant is divided into thin ball material and thick ball material with desulfurization slag;
The first ball blast slag iron separate chamber, thick ball material is transferred to the first ball blast slag iron separate chamber, and the first ball blast slag iron separate chamber has thick ball material sorter and thin ball material collector;
The first separator, thin ball material is transferred to the first separator, with the dust separation that will contain in the thin ball material out;
The second ball blast slag iron separate chamber is transferred to the second ball blast slag iron separate chamber from the thick ball material of the thick ball material sorter of the first ball blast slag iron separate chamber; And
The second separator is transferred to the second separator from the thin ball material of the thin ball material collector of the first ball blast slag iron separate chamber, with the dust separation that will contain in the thin ball material out,
Wherein, the thin ball material that is transferred to the first separator is transported to the first ball blast slag iron separate chamber, and utilize peener to make from the thin ball material of the first separator and thick ball material from screening plant and in the first ball blast slag iron separate chamber, carry out high-speed impact, the thin ball material that is transferred to the second separator is transported to the second ball blast slag iron separate chamber, and utilizes peener to make from the thin ball material of the second separator and thick ball material from the first ball blast slag iron separate chamber and carry out high-speed impact in the second ball blast slag iron separate chamber.
2. steel desulfurization slag disposal system as claimed in claim 1 is characterized in that, the particle diameter of thin ball material is less than 5mm, and the particle diameter of thick ball material is greater than 5mm.
3. steel desulfurization slag disposal system as claimed in claim 1 is characterized in that described steel desulfurization slag disposal system also comprises pre-screening plant, and to remove particle diameter greater than the desulfurization slag of preset value, wherein, the sieve aperture of pre-screening plant is 150-300mm.
4. steel desulfurization slag disposal system as claimed in claim 1, it is characterized in that described steel desulfurization slag disposal system also comprises cleaning apparatus, cleaning apparatus is collected respectively from the dust of screening plant, the first ball blast slag iron separate chamber, the first separator, the second ball blast slag iron separate chamber and the second separator, and reclaims the graphite carbon in the dust.
5. steel desulfurization slag disposal system as claimed in claim 1 is characterized in that, the second ball blast slag iron separate chamber has thin ball material collector, thereby ball blast slag iron separated product is divided into a steel and bulk steel.
6. steel desulfurization slag disposal system as claimed in claim 1 is characterized in that, thick ball material sorter comprises magnetic separation roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203499200U CN202744566U (en) | 2012-07-19 | 2012-07-19 | Steel-making desulfurized slag treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203499200U CN202744566U (en) | 2012-07-19 | 2012-07-19 | Steel-making desulfurized slag treatment system |
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| Publication Number | Publication Date |
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| CN202744566U true CN202744566U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012203499200U Withdrawn - After Issue CN202744566U (en) | 2012-07-19 | 2012-07-19 | Steel-making desulfurized slag treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766704A (en) * | 2012-07-19 | 2012-11-07 | 莱芜钢铁集团泰东实业有限公司 | Steelmaking desulfurization slag treatment system and steelmaking desulfurization slag treatment method |
| JP2017137532A (en) * | 2016-02-04 | 2017-08-10 | 新日鐵住金株式会社 | Low-phosphorus and low-sulfur steel manufacturing method |
-
2012
- 2012-07-19 CN CN2012203499200U patent/CN202744566U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766704A (en) * | 2012-07-19 | 2012-11-07 | 莱芜钢铁集团泰东实业有限公司 | Steelmaking desulfurization slag treatment system and steelmaking desulfurization slag treatment method |
| JP2017137532A (en) * | 2016-02-04 | 2017-08-10 | 新日鐵住金株式会社 | Low-phosphorus and low-sulfur steel manufacturing method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20140910 |
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| RGAV | Abandon patent right to avoid regrant |