CN101941074A - Milling production line of steel slag micro powder - Google Patents
Milling production line of steel slag micro powder Download PDFInfo
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- CN101941074A CN101941074A CN201010264200XA CN201010264200A CN101941074A CN 101941074 A CN101941074 A CN 101941074A CN 201010264200X A CN201010264200X A CN 201010264200XA CN 201010264200 A CN201010264200 A CN 201010264200A CN 101941074 A CN101941074 A CN 101941074A
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Abstract
The invention belongs to a milling production line of steel slag micro powder. The invention is characterized in that the milling production line is arranged according to a steel slag micro powder process flow; the milling production line mainly comprises a raw material hopper, a weighter, a belt conveyer, an iron remover, a metal detector, a three-way material dividing valve A, a horizontal type roller mill, a dump bin, a hoister, a three-way material dividing valve B, a powder concentrator, a powder return belt conveyer, a magnetic separator, a metal bin, a temporary material hopper, a finished powder collector, a fan, a regulating valve and a finished powder collecting library. The invention has reasonable design and compact structure, improves the production efficiency and the steel slag milling quality, overcomes the defect of low energy utilization ratio of a ball mill, solves the problem of complicated process flows of a roll squeezer and the ball mill and ensures that the milling process is simple and easy to apply. In addition, metal in the steel slag is sorted out through the magnetic separator after the metal is milled and then renewedly subjected to steel making, thus the economic value is high, and the production line has the advantages of energy saving, convenient mounting and manufacture, small occupied area, low investment expense, convenient operation and use, and the like.
Description
Technical field
The invention belongs to the slag grinding production equipment in the metallurgical industry, particularly be suitable for a kind of slag micro powder grinding production line of suitability for industrialized production.
Background technology
At present, the known milling equipment that is used for metallurgical steel slag, adopting with ball mill usually is that tube mill is the grinding process equipment of nucleus equipment, owing to contain the solid metallic composition in the metallurgical steel slag, very difficult mill causes the capacity usage ratio of grinding operation very low, and output is also low; In recent years also by adopting the production process equipment of being made up of roll squeezer and ball mill, though capacity usage ratio increases, this technological process and equipment thereof is bulky complex comparatively but, and Ji is not easy to that installation is made and investment cost is higher.
Summary of the invention
The present invention is intended to the shortcoming and defect part that exists in above-mentioned technology, and provide not only reasonable in design, compact conformation, Ji increases production efficiency, improve slag grinding quality again, and have energy savings, be convenient to install and make, take up an area of few, investment cost and manipulate a kind of very easily slag micro powder grinding production line.
The objective of the invention is to adopt following technical scheme to realize: described slag micro powder grinding production line is characterized in that: press slag micro powder grinding process installing grinding production line; Described grinding production line is mainly collected the storehouse by former hopper, weigher, belt conveyor, tramp iron separator, metal detector, first threeway material distributing valve, horizontal roll grinder, ash can, elevator, second threeway material distributing valve, powder concentrator, time bean sheet jelly band conveyer, magnetic separator, metal box, interim feed bin bucket, finished powder gatherer, blower fan, control valve and finished powder and is formed; Send into former hopper by raw material storage through the slag raw material of going into to grind that conveying equipment ships,, install belt conveyor below the weigher, install tramp iron separator, metal detector in regular turn at belt conveyor import to port of export end face at former hopper bottom installing weigher; Be provided with first threeway material distributing valve below the belt conveyor outlet, make the belt conveyor port of export aim at a side of first threeway material distributing valve end face import, the opposite side of first threeway material distributing valve end face import is aimed at back the port of export of bean sheet jelly band conveyer; This port of export also is connected with an end of metallic particles effuser, and the other end of metallic particles effuser is connected on the metal box; And return bean sheet jelly band conveyer outlet section above the magnetic separator of installing letter sorting metallic particles; One discharging opening of first threeway material distributing valve bottom is communicated with ash can with carrier pipe and joins, another discharging opening of first threeway material distributing valve bottom is aimed at the first material mouth of horizontal roll grinder one side, the second material mouth of horizontal roll grinder opposite side is connected with the end mouth of first carrier pipe, and the top mouth of first carrier pipe is connected at the bottom of the powder concentrator on the mouth; The outlet of roller abrasive dust and the second material mouth homonymy of horizontal roll grinder bottom, the outlet of roller abrasive dust is connected by the import of second carrier pipe with the elevator bottom; The outlet at elevator top is communicated with the import of second threeway material distributing valve end face by third carrier pipe and joins; One outlet of second threeway material distributing valve bottom is connected in a side of powder concentrator end face by pipeline, another outlet of second threeway material distributing valve bottom is connected with interim feed bin bucket end face by pipeline, the outlet at bottom of interim feed bin bucket connects discharge nozzle, and the end mouth of discharge nozzle is aimed at back the entrance point of bean sheet jelly band conveyer; On the powder concentrator between powder concentrator and time bean sheet jelly band conveyer, be provided with back the powder effuser; Central authorities are provided with central outlets at the powder concentrator end face; This central outlets connects an end of air shooter, and the other end of air shooter is connected first and carries on the pipeline section; On the air shooter pipeline section, install finished powder gatherer, blower fan and control valve in regular turn, qualified finished powder is transported to the conveying mechanism that finished powder is collected the storehouse in the installing of the bottom of finished powder gatherer; And the chimney that installing is discharged sky on the air shooter pipeline section between blower fan and the control valve.
Be equipped with on the described line segments with powder concentrator end face opposite side and be communicated with the branch pipeline that joins.
Hand sluice valve, rotary feeder are housed on the described discharging pipeline section from top to bottom in regular turn.
The conveying mechanism of described finished powder collecting box is formed by collecting storehouse body, efferent duct, revolution discharger and conveyer, an end that connects the finished powder outlet in the collection tank bottom, the other end of finished powder outlet is connected with the entrance point of conveyer by pipeline, and the port of export of conveyer is connected finished powder by pipeline and collects on the storehouse.
Described horizontal roll grinder is made up of cylindrical shell, motor and the reduction box of interior dress running roller.
Principle of the present invention and operation are described below:
Because the slag raw material of going into to grind among the present invention is to send into former hopper through the metering of weigher and be transported to material transfer equipment by raw material storage, in the mill feed material course of conveying through tramp iron separator deironing, metal detector check; Tramp iron separator wherein, to be sorted out by the ferromagnetic metal material in the slag of grinding, and pass through metal detector and detect whether also had the non-ferromagnetic metal foreign matter in the slag material of grinding once more, if do not have, directly entered a roller abrasive dust mill by the slag material of grinding; If have, then metal detector sends signal, threeway powder valve events, and the material section that will contain metallic foreign body is discharged outside the horizontal roller mill; Then through the tramp iron separator deironing, the slag raw material of going into to grind after the metal detector check enters horizontal roll grinder by the threeway tripper, mill feed material is in horizontal roll grinder under the common mating reaction by centrifugal force and material propeller and scraper, formed evenly, stable material bed, pressure roller and liner form the grinding track, material on the grinding track by grinding, because the material bed of horizontal roller mill is the thickest a kind of in all material bed grindings equipments, so the material bed of horizontal roller mill can comprise the bigger solid metallic particle of granularity, and the bigger solid metallic particle of granularity that is unlikely to comprise in pressure roller and the material bed produces " confront the tough with toughnees " and causes pressure roller to damage, this point be vertical mill and roll squeezer can not reach.Because the material bed of Vertical Mill can not form the sector region of " face " shape as tube roller mill, and be one " line " basically, in Vertical Mill " extruding of line line " grinding process, the one, can not form the stable material bed that can contain solid metallic, this material bed needs certain thickness, and the 2nd, solid metallic can directly produce " very stiff and demanding consequence; aggravation wearing and tearing, even cause grinding roller to damage to grinding roller and mill in " extruding of line line " grinding process.So, when the more slag of grinding solid metallic content, horizontal roller mill is desirable grinding equipment, utilize the thick material bed of its formation, can contain the bigger solid metallic of granularity, and can play the cushioning effect that prevents to produce between grinding roller and the mill " confronting the tough with toughnees ", this is that other all grindings are equipped not available characteristic.Slag behind the grinding is discharged horizontal roller mill by natural gravity, is promoted to external powder concentrator by external elevator again and carries out sorting classifying, and finished particle enters the finished powder gatherer along with the sorting air-flow and is collected, and is delivered to the warehouse for finished product storage by the finished product conveying equipment.Enter powder concentrator by the grinding slag through the defective work after the sorting, another outlet by powder concentrator is discharged, by returning powder conveyor delivery and process magnetic separator iron removal by magnetic separation, promptly so-called " mill back deironing ", a solid metallic particle that is included in by being sorted out in the steel slag particle behind the grinding, through tube roller abrasive dust mill is selected, concentrated to be recovered to carry behind the metal box to be used for steel-making; Be mixed together to enter and continue grinding in the horizontal roll grinder, so analogize, operate again and again and produce qualified slag micro powder in enormous quantities and divide powder after the selection to continue mill feed material with raw material storage.
Combine the above technical scheme of being taked, realize purpose of the present invention.
Compared with prior art, the present invention is reasonable in design, compact conformation had both overcome the very low problem of ball mill capacity usage ratio, has solved the technological process that roll squeezer adds the complexity of ball mill again, makes the slag micro powder grinding process simple.Be wrapped in solid metallic in addition, sorted out steel-making again by magnetic plant behind the grinding in the slag, through just being exposed behind the horizontal roller abrasive dust mill, the economic worth height, the system capacity utilization rate is improved.
Therefore, the present invention is not only reasonable in design, compact conformation, and Ji increases production efficiency, improves slag grinding quality again, and has energy savings, is convenient to install to make, and takes up an area of fewly, and investment cost is low and manipulate very convenient or the like advantage.
Description of drawings
The present invention has a width of cloth accompanying drawing.Wherein:
Accompanying drawing 1 is the main TV structure schematic diagram of specific embodiments of the invention.
Among the figure: 1, former hopper, 2, weigher, 3, belt conveyor, 4, tramp iron separator, 5, metal detector, 6, first threeway material distributing valve, 7, horizontal roll grinder, 8, ash can, 9, elevator, 10, second threeway material distributing valve, 11, powder concentrator, 12, return bean sheet jelly band conveyer, 13, magnetic separator, 14, metal box, 15, interim feed bin bucket, 16, hand sluice valve, 17, rotary feeder, 18, the finished powder gatherer, 19, the revolution discharger, 20, conveyer, 21, blower fan, 22, control valve, 23, finished powder is collected storehouse, 24, first material mouth, 25, second material mouth, 26, the first carrier pipe, 27, the outlet of roller abrasive dust, 28, the second carrier pipe, 29, third carrier pipe, 30, pipeline, 31, discharge nozzle, 32, return the powder effuser, 33, central outlets, 34, air shooter, 35, chimney, 36, the metallic particles effuser, 37, motor, 38, reduction box, 39;
The specific embodiment
Shown in Figure 1 is specific embodiments of the invention, and it is the slag micro powder grinding production line of installing in smelting iron and steel factory; Its structure comprises: press slag micro powder grinding process installing grinding production line; Described grinding production line is mainly collected the storehouse by former hopper 1, weigher 2, belt conveyor 3, tramp iron separator 4, metal detector 5, first threeway material distributing valve 6, horizontal roll grinder 7, ash can 8, elevator 9, second threeway material distributing valve 10, powder concentrator 11, time bean sheet jelly band conveyer 12, magnetic separator 13, metal box 14, interim feed bin bucket 15, finished powder gatherer 18, blower fan, control valve and finished powder and is formed; Send into former hopper 1 by raw material storage through the slag raw material of going into to grind that conveying equipment ships, at former hopper 1 bottom installing weigher 2, weigher 2 following installing belt conveyors 3 are installed tramp iron separator 4, metal detector 5 in regular turn at belt conveyor 3 imports to port of export end face; Be provided with first threeway material distributing valve 6 below belt conveyor 3 outlets, make belt conveyor 3 ports of export aim at the right side of first threeway material distributing valve 6 end face imports, the port of export of bean sheet jelly band conveyer 12 is aimed at back in the left side of first threeway material distributing valve 3 end face imports; This port of export also is connected with an end of metallic particles effuser 36, and the other end of metallic particles effuser 36 is connected on the metal box 14; And return bean sheet jelly band conveyer 12 outlet sections above the magnetic separator 13 of installing letter sorting metallic particles; The right side discharging opening of first threeway material distributing valve 6 bottoms is communicated with ash can 8 by carrier pipe and joins; The left side discharging opening of first threeway material distributing valve 6 bottoms is aimed at the first material mouth 24 on horizontal roll grinder 7 right sides, and described horizontal roll grinder 7 is made up of cylindrical shell, motor 37 and the reduction box 38 of interior dress running roller; The second material mouth 25 in the left side of horizontal roll grinder 7 is connected with the end mouth of first carrier pipe 26, and the top mouth of first carrier pipe 26 is connected on 11 end of the powder concentrator mouth; The outlet 27 of roller abrasive dust and second material mouth 25 homonymies of horizontal roll grinder 7 bottoms, the outlet 27 of roller abrasive dust is connected with the import of elevator 9 bottoms by second carrier pipe 28; The outlet at elevator 9 tops is communicated with the import of second threeway material distributing valve 10 end faces with the third second carrier pipe 29 and joins; The right side outlet of second threeway material distributing valve 10 bottoms is connected in the right side of powder concentrator 11 end faces with pipeline, the left side outlet of second threeway material distributing valve 10 bottoms is connected with interim feed bin bucket 15 end faces with pipeline 30, the outlet at bottom of interim feed bin bucket 15 connects discharge nozzle 31, the end mouth of discharge nozzle 31 is aimed at back the entrance point of bean sheet jelly band conveyer 12, is equipped with on 30 sections of the described pipelines with powder concentrator 11 end faces left side to be communicated with the branch pipeline 39 that joins; On 31 sections of the described discharge nozzles hand sluice valve 16, rotary feeder 17 are housed in regular turn from top to bottom; On the powder concentrator 11 between powder concentrator 11 and time bean sheet jelly band conveyer 12, be provided with back powder effuser 32; 11 end face central authorities are provided with central outlets 33 at powder concentrator; This central outlets 33 connects an end of air shooter 34, and the other end of air shooter 34 is connected first and carries on the pipeline section 26; On air shooter 34 pipeline sections, install finished powder gatherer 18, blower fan 21 and control valve 22 in regular turn, in the installing of the bottom of finished powder gatherer 18 qualified finished powder is transported to the conveying mechanism that finished powder is collected storehouse 23, the conveying mechanism of described finished powder collecting box is made up of the conveyer 20 of collecting storehouse body, efferent duct, revolution discharger 19 and disc type; And the chimney 35 that installing is discharged sky on air shooter 34 pipeline sections between blower fan 21 and the control valve 22.
The above; it only is the preferable specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; all are familiar with those skilled in the art in technical scope disclosed by the invention, are equal to replacement or change and all should be encompassed within protection scope of the present invention according to technical scheme of the present invention and design of the present invention thereof.
Claims (5)
1. a slag micro powder grinding production line is characterized in that: press slag micro powder grinding process installing grinding production line; Described grinding production line is mainly by former hopper (1), weigher (2), belt conveyor (3), tramp iron separator (4), metal detector (5), first threeway material distributing valve (6), horizontal roll grinder (7), ash can (8), elevator (9), second threeway material distributing valve (10), powder concentrator (11), return bean sheet jelly band conveyer (12), magnetic separator (13), metal box (14), interim feed bin bucket (15), finished powder gatherer (18), blower fan (21), control valve (22) and finished powder are collected storehouse (23) and are formed; Send into former hopper (1) by raw material storage through the slag raw material of going into to grind that conveying equipment ships, at former hopper (1) bottom installing weigher (2), installing belt conveyor (3) is installed tramp iron separator (4), metal detector (5) in regular turn at belt conveyor (3) import to port of export end face below the weigher (2); Below belt conveyor (3) outlet, be provided with first threeway material distributing valve (6), make belt conveyor (3) port of export aim at a side of first threeway material distributing valve (6) end face import, the opposite side of first threeway material distributing valve (6) end face import is aimed at back the port of export of bean sheet jelly band conveyer (12); This port of export also is connected with an end of metallic particles effuser (36), and the other end of metallic particles effuser (36) is connected on the metal box (14); And at the magnetic separator (13) of the top installing letter sorting metallic particles that returns bean sheet jelly band conveyer (12) outlet section; One discharging opening of first threeway material distributing valve (6) bottom is communicated with ash can (8) with carrier pipe and joins, another discharging opening of first threeway material distributing valve (6) bottom is aimed at the first material mouth (24) of horizontal roll grinder (7) one sides, the second material mouth (25) of horizontal roll grinder (7) opposite side is connected with the end mouth of first carrier pipe (26), and the top mouth of first carrier pipe (26) is connected on powder concentrator (11) end mouth; The roller abrasive dust outlet (27) and second material mouth (25) homonymy of horizontal roll grinder (7) bottom, roller abrasive dust outlet (27) is connected by the import of second carrier pipe (28) with elevator (9) bottom; The outlet at elevator (9) top is communicated with the import of second threeway material distributing valve (10) end face by third carrier pipe (29) and joins; One outlet of second threeway material distributing valve (10) bottom is connected in a side of powder concentrator (11) end face by pipeline, another outlet of second threeway material distributing valve (10) bottom is connected with interim feed bin bucket (15) end face by pipeline (30), the outlet at bottom of interim feed bin bucket (15) connects discharge nozzle (31), and the end mouth of discharge nozzle (31) is aimed at back the entrance point of bean sheet jelly band conveyer (12); On the powder concentrator (11) between powder concentrator (11) and time bean sheet jelly band conveyer (12), be provided with back powder effuser (32); End face central authorities are provided with central outlets (33) at powder concentrator (11); This central outlets (33) connects an end of air shooter (34), and the other end of air shooter (34) is connected on first carrier pipe (26) section; On air shooter (34) pipeline section, install finished powder gatherer (18), blower fan (21) and control valve (22) in regular turn, qualified finished powder is transported to the conveying mechanism that finished powder is collected storehouse (23) in the installing of the bottom of finished powder gatherer (18); And the chimney (35) that installing is discharged sky on air shooter (34) pipeline section between blower fan (21) and the control valve (22).
2. by the described slag micro powder grinding of claim 1 production line, it is characterized in that: be equipped with on described pipeline (30) section with powder concentrator (11) end face opposite side and be communicated with the branch pipeline (39) that joins.
3. by the described slag micro powder grinding of claim 1 production line, it is characterized in that: hand sluice valve (16), rotary feeder (17) are housed on described discharge nozzle (31) section from top to bottom in regular turn.
4. by the described slag micro powder grinding of claim 1 production line, it is characterized in that: the conveying mechanism of described finished powder collecting box is formed by collecting storehouse body, efferent duct, revolution discharger (19) and conveyer (20), an end that connects the finished powder outlet in the collection tank bottom, the other end of finished powder outlet is connected by the entrance point of pipeline with conveyer (20), and the port of export of conveyer (20) is connected finished powder by pipeline and collects on the storehouse (23).
5. by the described slag micro powder grinding of claim 1 production line, it is characterized in that: described horizontal roll grinder (7) is made up of cylindrical shell, motor (37) and the reduction box (38) of interior dress running roller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010264200XA CN101941074B (en) | 2010-08-25 | 2010-08-25 | Milling production line of steel slag micro powder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010264200XA CN101941074B (en) | 2010-08-25 | 2010-08-25 | Milling production line of steel slag micro powder |
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| CN101941074A true CN101941074A (en) | 2011-01-12 |
| CN101941074B CN101941074B (en) | 2012-07-18 |
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| CN201010264200XA Active CN101941074B (en) | 2010-08-25 | 2010-08-25 | Milling production line of steel slag micro powder |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102531418A (en) * | 2011-12-30 | 2012-07-04 | 中信重工机械股份有限公司 | Steel slag grinding production technology and system |
| CN103041904A (en) * | 2012-12-25 | 2013-04-17 | 鞍山钢铁集团公司 | Steel slag powder producing method employing roller press |
| CN103127978A (en) * | 2011-12-02 | 2013-06-05 | 贵阳铝镁设计研究院有限公司 | Bauxite grinding system equipment and grinding process |
| CN105312142A (en) * | 2015-11-26 | 2016-02-10 | 鞍山钢铁集团公司矿渣开发公司 | Method for final powder grinding of metallurgical steel slag and production line thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201357092Y (en) * | 2009-02-23 | 2009-12-09 | 中国第一重型机械股份公司 | Large-scale horizontal roller mill revolving drum body |
| CN101628250A (en) * | 2009-02-23 | 2010-01-20 | 中国第一重型机械股份公司 | Grinding method |
-
2010
- 2010-08-25 CN CN201010264200XA patent/CN101941074B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201357092Y (en) * | 2009-02-23 | 2009-12-09 | 中国第一重型机械股份公司 | Large-scale horizontal roller mill revolving drum body |
| CN101628250A (en) * | 2009-02-23 | 2010-01-20 | 中国第一重型机械股份公司 | Grinding method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103127978A (en) * | 2011-12-02 | 2013-06-05 | 贵阳铝镁设计研究院有限公司 | Bauxite grinding system equipment and grinding process |
| CN102531418A (en) * | 2011-12-30 | 2012-07-04 | 中信重工机械股份有限公司 | Steel slag grinding production technology and system |
| CN103041904A (en) * | 2012-12-25 | 2013-04-17 | 鞍山钢铁集团公司 | Steel slag powder producing method employing roller press |
| CN105312142A (en) * | 2015-11-26 | 2016-02-10 | 鞍山钢铁集团公司矿渣开发公司 | Method for final powder grinding of metallurgical steel slag and production line thereof |
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| Publication number | Publication date |
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| CN101941074B (en) | 2012-07-18 |
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