CN202803389U - Screening and magnetic selection system of waste steel and steel dreg - Google Patents
Screening and magnetic selection system of waste steel and steel dreg Download PDFInfo
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- CN202803389U CN202803389U CN 201220410625 CN201220410625U CN202803389U CN 202803389 U CN202803389 U CN 202803389U CN 201220410625 CN201220410625 CN 201220410625 CN 201220410625 U CN201220410625 U CN 201220410625U CN 202803389 U CN202803389 U CN 202803389U
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Abstract
The utility model discloses a screening and magnetic selection system of waste steel and steel dreg, comprising a mixture hopper, wherein an efficient vibration grid sieve is arranged above an opening of the upper part of the mixture hopper; a variable-frequency electric vibration feeder and a belt type conveyor are arranged below a material leaking opening at the lower part; the belt type conveyor is obliquely arranged; the lower end of the belt type conveyor is located below the variable-frequency electric vibration feeder and the higher end of the belt type conveyor is provided with an adjustable magnetic core type permanent-magnetic rotary drum; a flow divider is arranged below the adjustable magnetic core type permanent-magnetic rotary drum; the flow divider is formed by two funnels; one funnel is a fine powder and iron block funnel and the other funnel is a non-metal funnel; and an electric vibration sieving net is arranged below the fine powder and iron block funnel. With the adoption of the technical scheme, traditional steel (iron) dreg magnetic selection process and equipment are greatly simplified and the installation cost is reduced; and the effect is quick and the aims of improving the production efficiency, reducing the labor strength of workers and reducing the production cost are achieved.
Description
Technical field
The utility model belongs to the technical field that metallurgical industry is produced, and relates to the treatment technology of steel scrap, slag, and more particularly, the utility model relates to the sub-sieve magnetic separation system of a kind of steel scrap, slag.
Background technology
The mixture of the iron-holder such as the steel scrap that steel-making, cast tube and other metallurgical production units produce in process of production (iron), slag more than about 40%, and the shape size of mixture differs, as recycling without magnetic separation.
But in the prior art, the slag disposal ability of steel-making section is limited, can't carry out magnetic separation to this part mixture, thereby causes a large amount of scrap metals to pile up waste.
The utility model content
The utility model provides the sub-sieve magnetic separation system of a kind of steel scrap, slag, its objective is the production efficiency that improves steel scrap, slag processing.
To achieve these goals, the technical scheme taked of the utility model is:
The sub-sieve magnetic separation system of steel scrap provided by the utility model, slag, the sub-sieve magnetic separation system of described steel scrap, slag comprises the mixture hopper; Establish the high-efficiency vibration diagrid above the upper opening of described mixture hopper, frequency conversion type electromagnetic vibration feeder and band conveyor are established in the below of the leakage material mouth of its underpart; Described band conveyor is obliquely installed, and a lower end is positioned at the below of described frequency conversion type electromagnetic vibration feeder, and a higher end adopts adjustable magnetic-core type permanent magnetic pulley; Establish current divider below described adjustable magnetic-core type permanent magnetic pulley, described current divider is two funnels, and one of them is fine powder, iron block funnel, and another is nonmetal funnel; Below described fine powder, iron block funnel, establish the electric vibrating screen net.
Described electric vibrating screen net is obliquely installed; Below described electric vibrating screen net, establish the fine powder hopper, below the lower side outside of described electric vibrating screen net, establish the iron block hopper.
Below described fine powder hopper, establish the fine powder ribbon conveyer; Below described iron block hopper, establish the iron block ribbon conveyer.
Outside the described mixture hopper upper opening, establish discharging opening, jaw crusher is established in the below of described discharging opening; The next door of described mixture hopper, if belt-type cycle feeder, described belt-type cycle feeder is for being obliquely installed, the below of described jaw crusher, by hopper with mass transport to the lower end of described belt-type cycle feeder, the end that described belt-type cycle feeder is higher, by hopper with mass transport to the material inlet belt conveyor; The discharge end of described material inlet belt conveyor is located at the top of described high-efficiency vibration diagrid.
Described mixture hopper is installed on the steel structure frame; And a plurality of compressed spring type dampers are arranged between the bearing-surface of described steel structure frame and mixture hopper.
Described frequency conversion type electromagnetic vibration feeder is installed on the described steel structure frame by a plurality of Extension Spring-type dampers.
The leakage material mouth of the bottom of described mixture hopper is established manual bulkhgead gate.
The end that described band conveyor is lower is established the adjusting screw mandrel, is connected with the cylinder of band conveyor.
The mutually close end of described fine powder ribbon conveyer, iron block ribbon conveyer is equipped with the adjusting screw mandrel, is connected with the cylinder of conveyer.
The electrical control part of the sub-sieve magnetic separation system of described steel scrap, slag comprises:
Engineer station, post operation station, network line concentrator, Programmable Logic Controller, master operating station, controller slave station, oscillating feeder frequency converter, belt conveyor frequency converter, vibratory sieve batcher frequency converter;
Described engineer station, post operation station, network line concentrator, Programmable Logic Controller connect by ethernet line;
Described master operating station is connected with Programmable Logic Controller by control signal wire;
Described controller slave station, oscillating feeder frequency converter, belt conveyor frequency converter, vibratory sieve batcher frequency converter are connected with described Programmable Logic Controller by communication bus;
Described controller slave station is connected with the local operation case by control signal wire;
Described oscillating feeder frequency converter is connected with the oscillating feeder motor by control signal wire; Described belt conveyor frequency converter is connected with the belt conveyor motor by control signal wire; Described vibratory sieve batcher frequency converter is connected with vibratory sieve batcher motor by control signal wire;
Described oscillating feeder motor is the drive motors of described frequency conversion type electromagnetic vibration feeder; Described belt conveyor motor is the drive motors of described band conveyor; Described vibratory sieve batcher motor is the drive motors of described electric vibrating screen net.
In order to realize the invention identical with technique scheme, the utility model also provides the sub-sieve magnetic selection method of the sub-sieve magnetic separation system of above-mentioned steel scrap, slag, and the process of described sub-sieve magnetic selection method is:
1, with mixture by material inlet belt conveyor or feed leakage bucket, be transported to the high-efficiency vibration diagrid, by screening, the mixture of diameter≤200mm is leaked into the mixture hopper; Send the bulk mixture of diameter 〉=200mm to the jaw crusher fragmentation by discharging opening, return the high-efficiency vibration diagrid by the belt-type cycle feeder again, enter the mixture hopper;
2, by frequency conversion type electric vibrating feeder and adjustment type buffer, control delivery rate and feeding coal make compound be layered on equably on the band conveyor;
With the THICKNESS CONTROL of the compound on the belt in 10mm; Regulate the rotating speed of belt roller by frequency control, the linear velocity that the belt roller of band conveyor is rotated is adjusted into 300mm/s～500mm/s;
3, when compound arrives the position of adjustable magnetic-core type permanent magnetic pulley, by regulating the magnetic flux of its magnetic core, reach best magnetic separation position, by the current divider of adjustable magnetic-core type permanent magnetic pulley below, with iron-holder 40%(quality) and above fine powder, scrap iron piece, shunt with nonmetallic substance;
4, by the electric vibrating screen net fine powder is separated with the scrap iron piece again;
Fine powder enters the fine powder hopper by the eyelet of electric vibrating screen net, then falls on the belt of fine powder ribbon conveyer;
The scrap iron piece imports the iron block hopper, then falls on the belt of iron block ribbon conveyer;
5, by two band conveyors, respectively fine powder and scrap iron piece are transported to storing area separately.
The utility model adopts technique scheme, and the technology and equipment of traditional steel (iron) slag magnetic separation is simplified greatly, reduces installation cost; It is very fast to take effect, and has reached and has improved production efficiency, has reduced worker's labour intensity, has reduced the production cost purpose.
Description of drawings
The below briefly explains the expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic top plan view of structure shown in Figure 1;
Fig. 3 is the category filter structural representation in the utility model;
Fig. 4 is the electric system structural representation in the utility model.
Be labeled as among Fig. 1 to Fig. 3:
1, high-efficiency vibration diagrid, 2, discharging opening, 3, the mixture hopper, 4, the frequency conversion type electromagnetic vibration feeder, 5, band conveyor, 6, adjustable magnetic-core type permanent magnetic pulley, 7, current divider, 8, the electric vibrating screen net, 9, fine powder ribbon conveyer, 10, iron block ribbon conveyer, 11, steel structure frame, 12, the compressed spring type damper, 13, Extension Spring-type damper, 14, adjusting screw, 15, manual bulkhgead gate, 16, jaw crusher, 17, material inlet belt conveyor, 18, belt-type cycle feeder, 19, the fine powder hopper, 20, the iron block hopper.
Being labeled as among Fig. 4:
1, engineer station, 2, the post operation station, 3, ethernet line, 4, Programmable Logic Controller, 5, the controller slave station, 6, the oscillating feeder frequency converter, 7, belt conveyor frequency converter, 8, vibratory sieve batcher frequency converter, 9, communication bus, 10, control signal wire, 11, the oscillating feeder motor, 12, the belt conveyor motor, 13, vibratory sieve batcher motor, 14, master operating station, 15, the local operation case, 16, network line concentrator.
The specific embodiment
The below contrasts accompanying drawing, by the description to embodiment, the specific embodiment of the present utility model is described in further detail, and to help those skilled in the art inventive concept of the present utility model, technical scheme is had more complete, accurate and deep understanding.
The following stated is the expressed structure of the present utility model of Fig. 1, Fig. 2 and Fig. 3, is the sub-sieve magnetic separation system of a kind of steel scrap, slag.
In order to solve the problem that prior art exists and to overcome its defective, realize improving the goal of the invention of the production efficiency of steel scrap, slag processing, the technical scheme that the utility model is taked is:
As shown in Figure 1 to Figure 3, the sub-sieve magnetic separation system of steel scrap provided by the utility model, slag, the sub-sieve magnetic separation system of described steel scrap, slag comprises mixture hopper 3; Establish high-efficiency vibration diagrid 1 above the upper opening of described mixture hopper 3, frequency conversion type electromagnetic vibration feeder 4 and band conveyor 5 are established in the below of the leakage material mouth of its underpart; Described band conveyor 5 is obliquely installed, and a lower end is positioned at the below of described frequency conversion type electromagnetic vibration feeder 4, and a higher end adopts adjustable magnetic-core type permanent magnetic pulley 6; Establish current divider 7 below described adjustable magnetic-core type permanent magnetic pulley 6, described current divider 7 is two funnels, and one of them is fine powder, iron block funnel, and another is nonmetal funnel; Below described fine powder, iron block funnel, establish electric vibrating screen net 8.
Adjustable magnetic-core type permanent magnetic pulley 6 is installed in exit side with band conveyor 5 belts, current divider 7 is installed in the below, according to the position of current divider 7, magnetic core is adjusted to the optimum position, principle is that nonmetal material (iron-holder about 40% below) is separated with metal charge.
In a side that distributes metal charge electric vibrating screen net 8 is installed.The order number of screen cloth customizes according to technological requirement, and purpose is to shunt out for the fine powder of sintering with for the heavy scrap of steel-making.
Described electric vibrating screen net 8 is obliquely installed; Below described electric vibrating screen net 8, establish fine powder hopper 19, below the lower side outside of described electric vibrating screen net 8, establish iron block hopper 20.
Below described fine powder hopper 19, establish fine powder ribbon conveyer 9; Below described iron block hopper 20, establish iron block ribbon conveyer 10.
Namely fine powder ribbon conveyer 9 is installed in the below of electric vibrating screen net 8, will transfers to a side for the sintering fine powder and pile up.Iron block ribbon conveyer 10 is installed in the outlet side of electric vibrating screen net 8, will transfers to opposite side for the steel-making heavy scrap and pile up.
Outside described mixture hopper 3 upper openings, establish discharging opening 2, jaw crusher 16 is established in the below of described discharging opening 2; The next door of described mixture hopper 3, if belt-type cycle feeder 18, described belt-type cycle feeder 18 is for being obliquely installed, the below of described jaw crusher 16, by hopper with mass transport to the lower end of described belt-type cycle feeder 18, the end that described belt-type cycle feeder 18 is higher, by hopper with mass transport to material inlet belt conveyor 17; The discharge end of described material inlet belt conveyor 17 is located at the top of described high-efficiency vibration diagrid 1.
Send into jaw crusher 16 fragmentations for the bulk material that high-efficiency vibration diagrid 1 sifts out by discharging opening 2, again broken material is sent into material inlet belt conveyor 17 by belt-type cycle feeder 18, and then to carry out sub-sieve by high-efficiency vibration diagrid 1, realize the circular treatment of material, so that the material processing is more thorough and abundant.
Described mixture hopper 3 is installed on the steel structure frame 11; And a plurality of compressed spring type dampers 12 are arranged between the bearing-surface of described steel structure frame 11 and mixture hopper 3.
The complete iron steel structure frame 11 of doing according to hopper and same volume is placed on mixture hopper 3 on the steel structure frame 11, and the advantage of this type of installation form is less demanding to the place.
High-efficiency vibration diagrid 1 is installed to hopper 3 tops by compressed spring type damper 12.Compressed spring type damper 12 alleviates its vibration to the impact of mixture hopper 3 and whole fuselage.
Described frequency conversion type electromagnetic vibration feeder 4 is installed on the described steel structure frame 11 by a plurality of Extension Spring-type dampers 13.
By Extension Spring-type damper 13 and adjusting screw 14 frequency conversion type electromagnetic vibration feeder 4 is suspended on hopper 3 belows.Extension Spring-type damper 13 alleviates its vibration to the impact of whole fuselage.
The leakage material mouth of the bottom of described mixture hopper 3 is established manual bulkhgead gate 15.Manually bulkhgead gate 15 can be controlled the Lou size of material amount.
The end that described band conveyor 5 is lower is established and is regulated screw mandrel 14, is connected with the cylinder of band conveyor 5.The effect of regulating screw mandrel 14 is the degree of tightness of regulating band conveyor 5 belts.
The mutually close end of described fine powder ribbon conveyer 9, iron block ribbon conveyer 10 is equipped with and regulates screw mandrel 14, is connected with the cylinder of conveyer.Its effect also is for the degree of tightness of regulating belt.
The utility model is simplified the technology and equipment of traditional steel (iron) slag magnetic separation greatly by the system of the above efficient magnetic separation classification that provides, and installation cost is very low, and it is very fast to take effect.Adopt technique scheme, reached and greatly improved production efficiency, reduced worker's labour intensity, reduced the production cost purpose.
In order to realize the invention identical with technique scheme, the utility model also provides the sub-sieve magnetic selection method of the sub-sieve magnetic separation system of above-mentioned steel scrap, slag, and the process of described sub-sieve magnetic selection method is:
1, with mixture by material inlet belt conveyor 17 or feed leakage bucket, be transported to high-efficiency vibration diagrid 1, by screening, the mixture of diameter≤200mm is leaked into mixture hopper 3; Send the bulk mixture of diameter 〉=200mm to jaw crusher 16 fragmentations by discharging opening 2, return high-efficiency vibration diagrid 1 by belt-type cycle feeder 18 again, enter mixture hopper 3;
2, by frequency conversion type electric vibrating feeder 4 and adjustment type buffer, control delivery rate and feeding coal are layered on the band conveyor 5 compound equably;
Be to guarantee the magnetic separation effect, generally with the THICKNESS CONTROL of the compound on the belt in 10mm; Regulate the rotating speed of belt roller by frequency control, the linear velocity that the belt roller of band conveyor 5 is rotated is adjusted into 300mm/s～500mm/s;
3, when compound arrives the position of adjustable magnetic-core type permanent magnetic pulley 6, by regulating the magnetic flux of its magnetic core, reach best magnetic separation position, by the current divider 7 of adjustable magnetic-core type permanent magnetic pulley 6 belows, with iron-holder 40%(quality) and above fine powder, scrap iron piece, shunt with nonmetallic substance;
4, by electric vibrating screen net 8 fine powder is separated with the scrap iron piece again;
Fine powder enters fine powder hopper 19 by the eyelet of electric vibrating screen net 8, then falls on the belt of fine powder ribbon conveyer 9;
The scrap iron piece imports iron block hopper 20, then falls on the belt of iron block ribbon conveyer 10;
5, by two band conveyors, respectively fine powder and scrap iron piece are transported to storing area separately.
Below be the explanation that contrast Fig. 4 carries out:
The electrical control part of the sub-sieve magnetic separation system of described steel scrap, slag comprises:
Described engineer station 1, post operation station 2, network line concentrator 16, Programmable Logic Controller 4 connect by ethernet line 3;
Described master operating station 14 is connected with Programmable Logic Controller 4 by control signal wire 10;
Described controller slave station 5, oscillating feeder frequency converter 6, belt conveyor frequency converter 7, vibratory sieve batcher frequency converter 8 are connected with described Programmable Logic Controller 4 by communication bus 9;
Described controller slave station 5 is connected with local operation case 15 by control signal wire 10;
Described oscillating feeder frequency converter 6 is connected with oscillating feeder motor 11 by control signal wire; Described belt conveyor frequency converter 7 is connected with belt conveyor motor 12 by control signal wire; Described vibratory sieve batcher frequency converter 8 is connected with vibratory sieve batcher motor 13 by control signal wire;
Described oscillating feeder motor 11 is the drive motors of described frequency conversion type electromagnetic vibration feeder 4; Described belt conveyor motor 12 is the drive motors of described band conveyor 5; Described vibratory sieve batcher motor 13 is the drive motors of described electric vibrating screen net 8.
Described network line concentrator is the HUB hub.
Technique scheme has realized the networking control of whole system, the programming Control that adopts the PLC programmable controller and the VFC of motor, to satisfy the requirement of different operating requirement, the speed governing of friction speed continuous stepless.Realized that accuracy, the centralization and decentralization controlled combine and the requirement of auto-control.
The above has carried out exemplary description to the utility model by reference to the accompanying drawings; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (10)
1. the sub-sieve magnetic separation system of a steel scrap, slag, it is characterized in that: the sub-sieve magnetic separation system of described steel scrap, slag comprises mixture hopper (3); High-efficiency vibration diagrid (1) is established in top at the upper opening of described mixture hopper (3), and frequency conversion type electromagnetic vibration feeder (4) and band conveyor (5) are established in the below of the leakage material mouth of its underpart; Described band conveyor (5) is obliquely installed, and a lower end is positioned at the below of described frequency conversion type electromagnetic vibration feeder (4), and a higher end adopts adjustable magnetic-core type permanent magnetic pulley (6); Establish current divider (7) in the below of described adjustable magnetic-core type permanent magnetic pulley (6), described current divider (7) is two funnels, and one of them is fine powder, iron block funnel, and another is nonmetal funnel; Below described fine powder, iron block funnel, establish electric vibrating screen net (8).
2. according to the sub-sieve magnetic separation system of steel scrap claimed in claim 1, slag, it is characterized in that: described electric vibrating screen net (8) is obliquely installed; Establish fine powder hopper (19) in the below of described electric vibrating screen net (8), in the lower below, a side outside of described electric vibrating screen net (8), establish iron block hopper (20).
3. according to the sub-sieve magnetic separation system of steel scrap claimed in claim 2, slag, it is characterized in that: establish fine powder ribbon conveyer (9) in the below of described fine powder hopper (19); Establish iron block ribbon conveyer (10) in the below of described iron block hopper (20).
4. according to the sub-sieve magnetic separation system of steel scrap claimed in claim 1, slag, it is characterized in that: outside described mixture hopper (3) upper opening, establish discharging opening (2), jaw crusher (16) is established in the below of described discharging opening (2); The next door of described mixture hopper (3), if belt-type cycle feeder (18), described belt-type cycle feeder (18) is for being obliquely installed, the below of described jaw crusher (16), by hopper with mass transport to the lower end of described belt-type cycle feeder (18), the end that described belt-type cycle feeder (18) is higher, by hopper with mass transport to material inlet belt conveyor (17); The discharge end of described material inlet belt conveyor (17) is located at the top of described high-efficiency vibration diagrid (1).
5. according to the sub-sieve magnetic separation system of steel scrap claimed in claim 1, slag, it is characterized in that: described mixture hopper (3) is installed on the steel structure frame (11); And a plurality of compressed spring type dampers (12) are arranged between the bearing-surface of described steel structure frame (11) and mixture hopper (3).
6. according to the sub-sieve magnetic separation system of steel scrap claimed in claim 5, slag, it is characterized in that: described frequency conversion type electromagnetic vibration feeder (4) is installed on the described steel structure frame (11) by a plurality of Extension Spring-type dampers (13).
7. according to the sub-sieve magnetic separation system of steel scrap claimed in claim 1, slag, it is characterized in that: the leakage material mouth of the bottom of described mixture hopper (3), establish manual bulkhgead gate (15).
8. according to the sub-sieve magnetic separation system of steel scrap claimed in claim 3, slag, it is characterized in that: the end that described band conveyor (5) is lower, establish and regulate screw mandrel (14), be connected with the cylinder of band conveyor (5).
9. according to the sub-sieve magnetic separation system of steel scrap claimed in claim 3, slag, it is characterized in that: the mutually close end of described fine powder ribbon conveyer (9), iron block ribbon conveyer (10), be equipped with and regulate screw mandrel (14), be connected with the cylinder of conveyer.
10. according to the sub-sieve magnetic separation system of each described steel scrap, slag in the claim 1 to 9, it is characterized in that: the electrical control part of the sub-sieve magnetic separation system of described steel scrap, slag comprises:
Engineer station (1), post operation station (2), network line concentrator (16), Programmable Logic Controller (4), master operating station (14), controller slave station (5), oscillating feeder frequency converter (6), belt conveyor frequency converter (7), vibratory sieve batcher frequency converter (8);
Described engineer station (1), post operation station (2), network line concentrator (16), Programmable Logic Controller (4) connect by ethernet line (3);
Described master operating station (14) is connected with Programmable Logic Controller (4) by control signal wire (10);
Described controller slave station (5), oscillating feeder frequency converter (6), belt conveyor frequency converter (7), vibratory sieve batcher frequency converter (8) are connected with described Programmable Logic Controller (4) by communication bus (9);
Described controller slave station (5) is connected with local operation case (15) by control signal wire (10);
Described oscillating feeder frequency converter (6) is connected with oscillating feeder motor (11) by control signal wire; Described belt conveyor frequency converter (7) is connected with belt conveyor motor (12) by control signal wire; Described vibratory sieve batcher frequency converter (8) is connected with vibratory sieve batcher motor (13) by control signal wire;
Described oscillating feeder motor (11) is the drive motors of described frequency conversion type electromagnetic vibration feeder (4); Described belt conveyor motor (12) is the drive motors of described band conveyor (5); Described vibratory sieve batcher motor (13) is the drive motors of described electric vibrating screen net (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410625 CN202803389U (en) | 2012-08-16 | 2012-08-16 | Screening and magnetic selection system of waste steel and steel dreg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410625 CN202803389U (en) | 2012-08-16 | 2012-08-16 | Screening and magnetic selection system of waste steel and steel dreg |
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| Publication Number | Publication Date |
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| CN202803389U true CN202803389U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220410625 Expired - Fee Related CN202803389U (en) | 2012-08-16 | 2012-08-16 | Screening and magnetic selection system of waste steel and steel dreg |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102806143A (en) * | 2012-08-16 | 2012-12-05 | 芜湖新兴铸管有限责任公司 | Screening and magnetic separation system for waste steel and steel slag and screening and magnetic separation method thereof |
| CN104909178A (en) * | 2015-06-10 | 2015-09-16 | 长兴新源机械设备科技有限公司 | Automatic quantitative lead slag conveyor |
| CN109772511A (en) * | 2019-02-01 | 2019-05-21 | 葛洲坝兴业再生资源有限公司 | Equipment for handling waste steel recycling |
| CN111450973A (en) * | 2020-04-14 | 2020-07-28 | 国宏联绿(北京)科技发展有限公司 | Preparation method of active micro-powder containing roller method steel slag and directly-discharged fly ash |
| CN111450972A (en) * | 2020-04-14 | 2020-07-28 | 国宏联绿(北京)科技发展有限公司 | Ultrafine sand prepared from steel slag by drum method and method |
-
2012
- 2012-08-16 CN CN 201220410625 patent/CN202803389U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102806143A (en) * | 2012-08-16 | 2012-12-05 | 芜湖新兴铸管有限责任公司 | Screening and magnetic separation system for waste steel and steel slag and screening and magnetic separation method thereof |
| CN102806143B (en) * | 2012-08-16 | 2015-06-17 | 芜湖新兴铸管有限责任公司 | Screening and magnetic separation system for waste steel and steel slag and screening and magnetic separation method thereof |
| CN104909178A (en) * | 2015-06-10 | 2015-09-16 | 长兴新源机械设备科技有限公司 | Automatic quantitative lead slag conveyor |
| CN109772511A (en) * | 2019-02-01 | 2019-05-21 | 葛洲坝兴业再生资源有限公司 | Equipment for handling waste steel recycling |
| CN111450973A (en) * | 2020-04-14 | 2020-07-28 | 国宏联绿(北京)科技发展有限公司 | Preparation method of active micro-powder containing roller method steel slag and directly-discharged fly ash |
| CN111450972A (en) * | 2020-04-14 | 2020-07-28 | 国宏联绿(北京)科技发展有限公司 | Ultrafine sand prepared from steel slag by drum method and method |
| CN111450973B (en) * | 2020-04-14 | 2021-12-28 | 国宏联绿(北京)科技发展有限公司 | Preparation method of active micro-powder containing roller method steel slag and directly-discharged fly ash |
| CN111450972B (en) * | 2020-04-14 | 2021-12-28 | 国宏联绿(北京)科技发展有限公司 | Ultrafine sand prepared from steel slag by drum method and method |
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Granted publication date: 20130320 Termination date: 20150816 |
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