CN204261943U - Stainless steel slag sorting unit - Google Patents
Stainless steel slag sorting unit Download PDFInfo
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- CN204261943U CN204261943U CN201420676658.XU CN201420676658U CN204261943U CN 204261943 U CN204261943 U CN 204261943U CN 201420676658 U CN201420676658 U CN 201420676658U CN 204261943 U CN204261943 U CN 204261943U
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- stainless steel
- steel slag
- powder
- powder concentrator
- cyclone dust
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Abstract
The utility model relates to metallurgy industry Technologies of Steel Slag Treatment field, discloses a kind of stainless steel slag sorting unit.It comprises hopper, bar screen, bucket elevator, powder concentrator, cyclone dust collector, sack cleaner, the external air blast of described powder concentrator, the bottom of described powder concentrator is provided with Pellet exit, and the side wall upper part opposite with described powder concentrator charging aperture is provided with powder outlet.The utility model is after tentatively sieving stainless steel slag raw material, in the working environment of tiny structure, by powder concentrator, sorting is carried out to stainless steel slag, be conducive to the enrichment of the larger pellet of granularity containing metalliferous material, the powder that granularity is less is collected by cyclone dust collectors, and sack cleaner can prevent dust from entering air; The utility model decreases the wearing and tearing of slag to equipment, extends the service life of equipment, reduces production cost, also reduces wet-treating water consumption and cost of water treatment simultaneously, achieves energy-saving and emission-reduction.
Description
Technical field
The utility model relates to metallurgy industry Technologies of Steel Slag Treatment field, specifically a kind of stainless steel slag sorting unit.
Background technology
Slag is the industrial solid waste residue produced in the process of iron and steel smelting, and the waste residue that steel mill smelts out is divided into two kinds because of process for cooling difference: dry slag and grain slag.Generally there are three kinds of compositions in slag: steel grit, iron powder and useless ash, select steel grit wherein and iron powder by rational technique, huge economic benefit can be produced.
First need to grind slag, to break the structure between their threes, make them separate.The equipment being used for grinding slag is ball mill, rod mill etc.
Domestic smelter adopts wet-treating usually to stainless steel slag process, first slag is evenly sent in ball mill and grind, steel after grinding, slag dissociate, sent in magnetic separator by belt conveyor, select steel grit wherein, or with conveyer the slag selecting steel grit sent in rod mill and carry out fine grinding, utilize floatation effectively can select weak magnetic stainless steel metal material.Remaining useless ash is then discharged by the waste material mouth of magnetic separator.Waste material mouth connects a conveyer, sends in useless ashpit, regularly clears up useless ashpit.Useless ash is a kind of good building material, can be sold to cement plant cement or building material factory.
Have the following disadvantages in wet-treating:
(1) a large amount of in stainless steel slag granular materials is separated without powder, grain with granular material, all enters in treatment facility, easily causes the wearing and tearing of milling apparatus, needs often to overhaul, change, and the investment of mill optional equipment is large, and production cost is high;
(2) stainless steel slag is in cool down, needs to water watering and cools, and causes water content in stainless steel slag wayward, and in the stainless steel slag in area that has a humid climate, water content is difficult to control especially, and stainless steel slag selection by winnowing cannot be realized;
(3) in the powder of granularity < 3mm, metal material content is very low, does not add separation and enters wet-treating together and can increase water consumption, also increases cost of water treatment simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of stainless steel slag sorting unit, and in wet-treating, there is equipment easily wear and tear to solve stainless steel slag, production cost is high, and the utility model is applicable to Arid Area stainless steel slag selection by winnowing.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of stainless steel slag sorting unit, it comprises hopper, the charging aperture of hopper is provided with bar screen, the discharging opening of described hopper is connected with the bottom of bucket elevator, the top of described bucket elevator is connected with the charging aperture of raw material cabin, the discharge outlet of described raw material cabin is provided with gas-tight silo, the discharging opening of described gas-tight silo is connected with powder concentrator, the bottom of described powder concentrator is provided with Pellet exit, the powder concentrator side wall upper part opposite with described powder concentrator charging aperture is provided with powder outlet, described powder outlet is connected with the arrival end of cyclone dust collector by air channel, the upper end outlet of described cyclone dust collector is connected with sack cleaner, described cyclone dust collector lower end is provided with ash disposal mouth.
As further improvement of the utility model, the external air blast of charging aperture of described powder concentrator.
Further improve as of the present utility model, described air blast is frequency conversion air blast, and the size of its absorbing quantity is determined according to the granularity of required screening powder.
Further improve as of the present utility model, the Pellet exit of described powder concentrator is connected with the bottom of pellet elevator, and the top of described pellet elevator is connected with the charging aperture in pellet storehouse.
Further improve as of the present utility model, described powder concentrator is V-type powder concentrator.
Further improve as of the present utility model, described cyclone dust collector is made up of two cyclone dust collectors, and cyclone dust collectors described in one of them are when discharging powder, and cyclone dust collectors described in another carry out powder and collect operation.
Further improve as of the present utility model, the granularity >=3mm of described pellet.
Further improve as of the present utility model, the granularity < 3mm of described powder.
Further improve as of the present utility model, the rod spacing of described bar screen is 180 ~ 250mm.
The technique utilizing the utility model to complete stainless steel slag sorting is:
Step one, utilize described bar screen tentatively to sieve former for stainless steel slag slag, the stainless steel slag after screening is promoted to the charging aperture being positioned at high-order described raw material cabin through described bucket elevator;
Step 2, stainless steel slag enter into the charging aperture of described powder concentrator through the gas-tight silo that described raw material cabin charging aperture place is arranged, by described powder concentrator, classification is carried out to stainless steel slag, described powder concentrator selects powder fineness to be regulated by described blower variable frequency, under the effect of described air blast, powder in stainless steel slag is by wind extremely described powder outlet place, enter through air channel in described cyclone dust collector, pellet containing metalliferous material drop to described Pellet exit place under gravity, is promoted in described pellet storehouse stores by described pellet elevator;
Step 3, described cyclone dust collector collect powder, and residue dust continues to enter described sack cleaner, is collected by described sack cleaner.
Because described powder concentrator is provided with external air blast, be therefore that tiny structure runs in equipment, the absorbing quantity of described sack cleaner is slightly larger than the maximum blow rate required of air blast.
The beneficial effects of the utility model are:
(1) bar screen is set in stainless steel slag feed hopper bottom, Preliminary screening is carried out to stainless steel slag raw material, the slag conformed with the regulations enters in treatment facility, and bulk slag sieves after needing to carry out fragmentation again, is conducive to reducing bulk materials in slag raw material to the wearing and tearing of powder concentrator;
(2) regulating the granularity of selection by winnowing powder by regulating the size of the external air blast of described powder concentrator and sack cleaner absorbing quantity, realizing the selection by winnowing of stainless steel slag reliably;
(3) pneumatic separation device inside described in the utility model is tiny structure running environment, and dust can not leak and be conducive to improving operating environment;
(4) selecting in powder process and metal can not being lost, the enrichment of the higher pellet of tenor is conducive to;
(5) stainless steel slag enters from charging aperture above described powder concentrator, slag under gravity, constantly break up the slag that plate clashes into conglomeration to be broken up with the ladder of powder concentrator inside, now loose slag is under airflow function, through deflector, pellet wherein and powder are carried out classification, decrease the wearing and tearing of slag to equipment selective grinding, extend the service life of equipment, reduce production cost;
(6) the utility model is to make production process continuous with adopting the order of two cyclone dust collectors, and cyclone dust collectors are when arranging powder operation, and another cyclone dust collectors are used for powder and collect operation; Adopt the amount of gathering dust that can also reduce sack cleaner of cyclone dust collectors, thus reduce the operating cost of sack cleaner;
(7) the utility model adopts existing mature technology to combine, reduce technical risk, what decrease deduster while reducing product dirt pits quantity removes dust quantity, thus reduce the cost of cleaner, decrease environmental pollution, also reduce wet-treating water consumption and cost of water treatment simultaneously, achieve energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1, hopper, 2, bucket elevator, 3, raw material cabin, 4, powder concentrator, 5, pellet elevator, 6, pellet storehouse, 7, cyclone dust collector, 9, sack cleaner.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of stainless steel slag sorting unit, it comprises hopper 1, the charging aperture of hopper 1 is provided with bar screen, the discharging opening of hopper 1 is connected with the bottom of bucket elevator 2, the top of bucket elevator 2 is connected with the charging aperture of raw material cabin 3, the discharge outlet of raw material cabin 3 is provided with gas-tight silo, and the discharging opening of gas-tight silo is connected with V-type powder concentrator 4; The external frequency conversion air blast of charging aperture of V-type powder concentrator 4, the size of its absorbing quantity is determined according to the granularity of required screening powder, the bottom of V-type powder concentrator 4 is provided with Pellet exit, and Pellet exit is connected with the bottom of pellet elevator 5, and the top of pellet elevator 5 is connected with the charging aperture in pellet storehouse 6; V-type powder concentrator 4 side wall upper part opposite with V-type powder concentrator 4 charging aperture is provided with powder outlet, powder outlet is connected by the arrival end of air channel with cyclone dust collector 7, cyclone dust collector 7 is made up of two cyclone dust collectors, one of them cyclone dust collectors is when discharging powder, another cyclone dust collectors carry out powder and collect operation, the upper end outlet of cyclone dust collector 7 is connected with sack cleaner 9, and cyclone dust collector 7 lower end is provided with ash disposal mouth.
Granularity >=the 3mm of pellet in the utility model, the granularity < 3mm of powder.The rod spacing of bar screen 1 is 180 ~ 250mm.
Utilize the utility model to carry out stainless steel slag sorting to comprise the following steps:
Step one, utilize bar screen 1 tentatively to sieve former for stainless steel slag slag, the stainless steel slag after screening is promoted to the charging aperture being positioned at high-order raw material cabin 3 through bucket elevator 2;
The gas-tight silo that step 2, stainless steel slag are arranged through raw material cabin 3 charging aperture place enters into the charging aperture of powder concentrator 4, carry out slag by powder concentrator 4 pairs of stainless steel slags, powder is separated, powder concentrator 4 selects powder fineness to be regulated by blower variable frequency, under the effect of air blast, powder in stainless steel slag by wind to powder outlet place, enter through air channel in cyclone dust collector 7, pellet containing metalliferous material drop to Pellet exit place under gravity, is promoted in pellet storehouse 6 stores by pellet elevator 5;
Step 3, cyclone dust collector 7 collect powder, and residue dust continues to enter sack cleaner 9, is collected by sack cleaner 9.
The utility model is after tentatively sieving stainless steel slag raw material, utilize the tiny structure working environment that the external air blast of powder concentrator causes, sorting is carried out to stainless steel slag, be conducive to the enrichment of the larger pellet of granularity containing metalliferous material, the powder that granularity is less is collected by cyclone dust collectors, and sack cleaner can prevent dust from entering air; The utility model adopts existing mature technology to combine, and reduces technical risk, decreases the wearing and tearing of equipment, extend the service life of equipment, reduce production cost, what decrease deduster while reducing product dirt pits quantity removes dust quantity, achieves energy-saving and emission-reduction.
Claims (9)
1. a stainless steel slag sorting unit, it is characterized in that: it comprises hopper (1), the charging aperture of hopper (1) is provided with bar screen, the discharging opening of described hopper (1) is connected with the bottom of bucket elevator (2), the top of described bucket elevator (2) is connected with the charging aperture of raw material cabin (3), the discharge outlet of described raw material cabin (3) is provided with gas-tight silo, the discharging opening of described gas-tight silo is connected with powder concentrator (4), the bottom of described powder concentrator (4) is provided with Pellet exit, powder concentrator (4) side wall upper part opposite with described powder concentrator (4) charging aperture is provided with powder outlet, described powder outlet is connected by the arrival end of air channel with cyclone dust collector (7), the upper end outlet of described cyclone dust collector (7) is connected with sack cleaner (9), described cyclone dust collector (7) lower end is provided with ash disposal mouth.
2. stainless steel slag sorting unit according to claim 1, is characterized in that: the external air blast of charging aperture of described powder concentrator (4).
3. stainless steel slag sorting unit according to claim 2, is characterized in that: described air blast is frequency conversion air blast, and the size of its blow rate required is determined according to the granularity of required screening powder.
4. stainless steel slag sorting unit according to claim 1 and 2, it is characterized in that: the Pellet exit of described powder concentrator (4) is connected with the bottom of pellet elevator (5), the top of described pellet elevator (5) is connected with the charging aperture of pellet storehouse (6).
5. stainless steel slag sorting unit according to claim 4, is characterized in that: described powder concentrator (4) is V-type powder concentrator.
6. stainless steel slag sorting unit according to claim 1, it is characterized in that: described cyclone dust collector (7) is made up of two cyclone dust collectors, cyclone dust collectors described in one of them are when discharging powder, and cyclone dust collectors described in another carry out powder and collect operation.
7. stainless steel slag sorting unit according to claim 1, is characterized in that: the granularity >=3mm of described pellet.
8. stainless steel slag sorting unit according to claim 1, is characterized in that: the granularity < 3mm of described powder.
9. stainless steel slag oven dry according to claim 1, pneumatic separation device, is characterized in that: the rod spacing of described bar screen is 180 ~ 250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420676658.XU CN204261943U (en) | 2014-11-13 | 2014-11-13 | Stainless steel slag sorting unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420676658.XU CN204261943U (en) | 2014-11-13 | 2014-11-13 | Stainless steel slag sorting unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204261943U true CN204261943U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420676658.XU Withdrawn - After Issue CN204261943U (en) | 2014-11-13 | 2014-11-13 | Stainless steel slag sorting unit |
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| CN (1) | CN204261943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399667A (en) * | 2014-11-13 | 2015-03-11 | 酒钢集团吉瑞再生资源开发有限责任公司 | Stainless steel slag sorting device and stainless steel slag sorting method |
-
2014
- 2014-11-13 CN CN201420676658.XU patent/CN204261943U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399667A (en) * | 2014-11-13 | 2015-03-11 | 酒钢集团吉瑞再生资源开发有限责任公司 | Stainless steel slag sorting device and stainless steel slag sorting method |
| CN104399667B (en) * | 2014-11-13 | 2017-05-03 | 酒钢集团吉瑞再生资源开发有限责任公司 | Stainless steel slag sorting device and stainless steel slag sorting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150415 Effective date of abandoning: 20170503 |