CN106040404A - Grinding, sorting and refining treatment system and method for steel slag - Google Patents
Grinding, sorting and refining treatment system and method for steel slag Download PDFInfo
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- CN106040404A CN106040404A CN201610592285.1A CN201610592285A CN106040404A CN 106040404 A CN106040404 A CN 106040404A CN 201610592285 A CN201610592285 A CN 201610592285A CN 106040404 A CN106040404 A CN 106040404A
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- grinding
- slag
- mill
- steel slag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/004—Shape or construction of rollers or balls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
- B07B1/24—Revolving drums with fixed or moving interior agitators
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a grinding, sorting and refining treatment system and a grinding, sorting and refining treatment method for steel slag. Steel slag raw materials are conveyed to a drum sieve device through a metering device and a belt conveyer for screening; large-particle materials are directly collected as admixtures, and small-particle materials are conveyed to a vertical steel slag mill through the belt conveyer for grinding; ground fine powder enters a powder collector for collection, and then is conveyed into a steel slag powder bin through an inclined chute and used as cement mixing materials; large blocks and iron-containing materials which are obtained by grinding are thrown out under centrifugal force of a grinding disk and are subjected to deironing twice; the large-particle materials subjected to deironing are conveyed to a lifter and are directly collected as admixtures; iron powder and the iron-containing materials which are separated out are used for re-sintering or re-making steel; a material layer prepressing device or/and a concentrated material falling device is/are arranged in an inner cavity of the vertical steel slag mill. According to the grinding, sorting and refining treatment system for the steel slag, deironing, screening and fine powder collection are carried out on the steel slag treated by a ball grinder or a rod mill after the steel slag is ground the vertical steel slag mill, so that the steel slag can be classified and used more efficiently.
Description
Technical field:
The present invention relates to the reuse method of a kind of industry slag garbage, particularly relate to a kind of steel slag grinding sorting and become more meticulous
Processing system and method.
Background technology:
Slag is that current iron and steel enterprise utilizes one of worst large solid waste, the slag after overheated vexed, hot application, broken, screening
In addition to extracting part metals ferrum therein, major part is not utilized effectively.In steel tailings after fully selecting ferrum
Also have the residual metallic iron of about 3%, and containing more higher bivalent metal ion than clinker.So most of tailings can not
Remove direct grinding, low value can only utilize or store up, causing slag volume of cargo in storage increasing.At present, domestic slag uses
Processing mode is also limited to and ball milling and rod milling stage, can not be more efficient by abundant for slag classified use.
It addition, slag Vertical Mill is a kind of important milling equipment in grinding technology field, it is desirable to be that material is uniformly scattered
To mill, grinding under the rolling of grinding roller.Can solution material uniformly be scattered on mill and form the problem of the bed of material, is steel
One key technology of slag Vertical Mill.Water injector in existing Stabilizing Materials bed device mainly mill, in mill, water spray can play steady
Determine the effect of the bed of material, but water spray can cause the increase drying heat.
Summary of the invention:
The technical problem to be solved is: overcome the deficiencies in the prior art, it is provided that one is reasonable in design, classification is fine,
High and raising steel slag utilization rate the steel slag grinding of work efficiency sorts process of refinement system and method.
The technical scheme is that
A kind of steel slag grinding sorting process of refinement system, including metering device, slag Vertical Mill, elevator, deironing device of pipeline, height
Effect permanent magnetic pulley tramp iron separator and dust-precipitator, slag raw material is transported to drum sieve device through described metering device and belt conveyor
Sieving, after screening, large granular materials is directly used as admixture collection, and after screening, small particles material is defeated through belt conveyor
Delivering to slag Vertical Mill and carry out grinding, the fine powder after grinding enters powder collector and is collected, then is delivered to steel-making slag powder storehouse by skewed slot,
Use as cement additive；Bulk and ferrous material after grinding throw away described slag Vertical Mill by the centrifugal force of mill,
Carry out except ferrum by described deironing device of pipeline and efficient permanent magnet cylinder tramp iron separator again, except the large granular materials after ferrum is delivered to described
Elevator, is directly used as admixture and collects, and isolated iron powder and ferrous material enter and connect metal trough, is used as to return sintering or back mixing
Steel；The interior intracavity of described slag Vertical Mill is provided with bed of material prepressing device or/and concentrate doffer.
A kind of steel slag grinding sorting process of refinement method, comprises the following steps:
A, slag raw material is transported to drum sieve device through described metering device and belt conveyor sieves, big after screening
Granule materials is directly used as admixture and collects, and after screening, small particles material is delivered to slag Vertical Mill through belt conveyor and carries out powder
Mill；
B, the fine powder after grinding is entered powder collector it is collected, then be delivered to steel-making slag powder storehouse by skewed slot, as cement mixing
Materials'use；Bulk and ferrous material after grinding throw away described slag Vertical Mill by the centrifugal force of mill, then by described pipe
Road tramp iron separator and efficient permanent magnet cylinder tramp iron separator carry out except ferrum, except the large granular materials after ferrum is delivered to described elevator, directly
Collect as admixture；
C, isolated iron powder and ferrous material are entered connect metal trough, be used as to return sintering or back mixing steel；At described slag Vertical Mill
Interior intracavity is provided with bed of material prepressing device or/and concentrate doffer.
Described bed of material prepressing device contains milling roller, and the two ends of described milling roller are provided with rotary shaft, and described rotary shaft is led to
Crossing bearing and bearing block is connected with connecting rod, described connecting rod is connected with bracing frame, and support frame as described above is fixed on slag Vertical Mill
On inner chamber body wall, and, support frame as described above is in the inner chamber of described slag Vertical Mill between two adjacent grinding rollers.
Described milling roller is hollow conical drum, and, the conical surface of described conical drum is arranged at intervals with resistance to
Mill projection；Support frame as described above is triangular structure, and, support frame as described above is provided with bar hole, or is arranged at intervals with bolt
Hole, it is possible to change the setting height(from bottom) of support frame as described above.
Described concentration doffer, the lower end of the blanking inner cone bucket containing extension tube, the upper end of described extension tube and Vertical Mill
Connecting, the inner chamber bottom of described extension tube is provided with fixed plate, and described fixed plate is connected with the top of connecting plate, described connecting plate
Bottom be connected with material scraping plate, leave gap between lower surface and the mill of described Vertical Mill of described material scraping plate.
Described fixed plate and connecting plate are bolted, and, described fixed plate and connecting plate arrange bar hole, or
Person interval arranges bolt hole, it is possible to change the connection height of the two；Described material scraping plate is rectangle and quantity is one, described in scrape
Flitch does not moves, and described mill moves in a circle, and described extension tube, fixed plate, connecting plate and material scraping plate all use metal material
Make.
Described drum sieve device contains feeding belt conveyer, and the discharging opening of described feeding belt conveyer passes through charge pipe
Entering cylinder round sifter, slag isolates qualified material and bulk materials and foreign material through described cylinder round sifter, described qualified
Material is entered by qualified material chute and is stacked into by foreign material discharge pipe into mill belt conveyor, described bulk materials and foreign material
Storeroom；Described cylinder round sifter includes frame, and described frame is provided with motor and cylinder, and the two is by drive mechanism even
Connecing, described cylinder is provided with screen cloth, slag is entered from one end of described cylinder by described charge pipe, another of described cylinder
End connects with described foreign material discharge pipe.
Described cylinder round sifter tilting is arranged, and its front end is higher than rear end, the aperture 8mmX8mm of described screen cloth, described rolling
The inclination angle of cylinder is 58 °, roll surface speed 55 65m/min of described cylinder；Lifting blade is set in described cylinder and breaks
Broken hammer, described lifting blade uses spiral design and is fixed on inner wall of rotary drum, and described quartering hammer uses tup and the knot of hammer stem
Structure, described hammer stem is fixed on the central rotating shaft of described cylinder, and the length of described hammer stem is not quite similar.
The invention has the beneficial effects as follows:
1, the present invention by by ball mill or the rod slag that processed of machine again by after slag vertical mill grinding except ferrum, screening,
Collect fine powder, by classified use more efficient for slag.
2, slag of the present invention is broadly divided into steel-making slag powder, coarse aggregate and three kinds of materials of ferrum, wherein steel-making slag powder-mix as cement
Condensation material use, can save grog in manufacture of cement, realize high grade cement target, raising intensity at a specified future date, have good making
With performance and with the compatibility of concrete admixture.Granule materials after coarse aggregate-screening is applied to as mineral admixture
Concrete has preferable filling effect, active effect, micro aggregate effect, the performance of concrete can be improved so that concrete
More closely knit, porosity is low, good endurance.Ferrum-taste Iron concentrate more than 50% returns sintering；Sample the particle steel 90%
With fritter steel back mixing steel.
3, the present invention uses physical method to tile in advance, is compacted the principle of the bed of material, and the pre-compacted carrying out material stabilizes material
Layer, decreases grinding machine vibration, improves mill efficiency, and in can coordinating or replace mill, water injector is to stablize the bed of material, reduces and dries
Xeothermic amount consumption, thus overcome the essence shortcoming that old-fashioned slag Vertical Mill Stabilizing Materials layer method exists.
4, the present invention uses physical method tiling and compacting material, material chemical property or product quality will not be produced shadow
Ring, and, passively being rotated by contacting material, it is not necessary to actuating device, energy consumption is low；Additionally by regulation cylinder and mill away from
From, grinding different material and different compacted depthes can be realized, on cylinder, additionally set wear resistant lug preferably to engage material.
5, the present invention concentrates doffer due to the addition of extension tube, shortens the distance between inner cone bucket and mill, has
Effect reduces coarse-fine aggregate in dropping process and disperses isolation, it is possible to effectively solution material thing discharging point is in tremie pipe dropping process
Offseting, blanking point is not in the problem at mill center.
6, the present invention is by mill rotating band animal movement, and after fixing material scraping plate, passive is broken up and shakeout, and changes
Become material in mill running, freely isolated under centrifugal action；The material shakeout passes through material scraping plate and mill
Between clearance control, the isolation of material can effectively be controlled.
7, on fixed plate of the present invention and connecting plate, bar hole is set, or interval arranges bolt hole, it is possible to change the two
Connecting height, thus reach the purpose changing material scraping plate with the spacing of mill, additionally connecting plate and material scraping plate are vertically arranged, and carry
High blanking effect, the two is welded and fixed, and bulk strength is high, is difficult to be destroyed.
8, the present invention relies on the rotation screening materials carrying of cylinder, as long as the angle of inclination of control cylinder and speed of gyration are properly
Scope, can obtain good screening effect, the most also be avoided that the blocking to screen cloth of bulk materials and foreign material.
9, arranging lifting blade and quartering hammer in cylinder of the present invention, materials overturning and kicking up can be improved screening by lifting blade
Effect, bulk slag can be crushed by quartering hammer, improves the utilization rate of slag, and additionally the qualified material through screening is passed through into mill
Belt conveyor enters slag Vertical Mill, further pulverizing, forms continuous print processes process, and efficiency is high, laborsaving saves time.
10, the present invention is reasonable in design, classification is fine, work efficiency is high and improves steel slag utilization rate, and it is applied widely, easily
In promotion and implementation, economic benefit is obvious.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of steel slag grinding sorting process of refinement system；
Fig. 2 is one of partial structurtes schematic diagram of slag Vertical Mill shown in Fig. 1；
Fig. 3 is the structural representation of bed of material prepressing device shown in Fig. 2；
Fig. 4 is the operating diagram of bed of material prepressing device shown in Fig. 2；
Fig. 5 is the two of the partial structurtes schematic diagram of slag Vertical Mill shown in Fig. 1；
Fig. 6 is the sectional view of A-A in Fig. 5；
Fig. 7 is the structural representation of drum sieve device shown in Fig. 1.
Detailed description of the invention:
Embodiment: see Fig. 1--Fig. 7, in figure, 1-bracing frame, 2-milling roller, 3-abrasive material, 4-mill body, 5-frame, 6-grinding roller, 7-
Blanking inner cone bucket, 8-mill, 9-extension tube, 10-fixed plate, 11-connecting plate, 12-material scraping plate, 21-feeding belt conveyer,
22-cylinder round sifter, 23-foreign material discharge pipe, 24-qualified material chute, 25-enters to grind belt conveyor, and 26-charge pipe, 27-is miscellaneous
Thing chute, 51-metering device, 52-belt conveyor, 53-drum sieve device, 54-elevator, 55-belt conveyor；56-steel
Slag Vertical Mill, 57-tramp iron separator, 58-efficient permanent magnet cylinder tramp iron separator, 59-powder collector, 60-skewed slot, 61-steel-making slag powder storehouse.
Steel slag grinding sorting process of refinement system and method: slag raw material is through metering device 51 and belt conveyor 52
Being transported to drum sieve device 53 sieve, after screening, large granular materials is directly used as admixture collection, small particle after screening
Material is delivered to slag Vertical Mill 56 through belt conveyor 55 and carries out grinding, and the fine powder after grinding enters powder collector 59 and is collected,
It is delivered to steel-making slag powder storehouse 61 by skewed slot 60 again, uses as cement additive；Bulk and ferrous material after grinding pass through
The centrifugal force of mill throws away slag Vertical Mill 56, then is carried out except ferrum by deironing device of pipeline 56 and efficient permanent magnet cylinder tramp iron separator 57,
Except the large granular materials after ferrum is delivered to elevator 54, being directly used as admixture and collect, isolated iron powder and ferrous material enter
Enter to connect metal trough, be used as to return sintering or back mixing steel；The interior intracavity of slag Vertical Mill 56 is provided with bed of material prepressing device or/and concentrate blanking
Device.
Bed of material prepressing device contains milling roller 2, wherein: the two ends of milling roller 2 are provided with rotary shaft, and rotary shaft passes through bearing
Being connected with connecting rod with bearing block, connecting rod is connected with bracing frame 1, and bracing frame 1 is fixed on the inner chamber body wall of slag Vertical Mill 4,
Further, bracing frame 1 between two adjacent grinding rollers 6, is frame 5 below slag Vertical Mill 4 in the inner chamber of slag Vertical Mill 4.
Preferred version: milling roller 2 is hollow conical drum, and, the conical surface of conical drum is arranged at intervals with
Wear resistant lug (is not drawn in figure).
Bracing frame 1 is triangular structure, and steadiness is good, and, bracing frame 1 is provided with bar hole, or is arranged at intervals with
Bolt hole, it is possible to change the setting height(from bottom) of bracing frame 1, and then change the milling roller 2 distance from the mill of slag Vertical Mill 4.
The height of conical drum is adjusted by adjusting the position of bracing frame 1.Need mill thing in view of conical drum
Material engagement rotates and extrudes, and material can produce heavy wear to it simultaneously, thus devises abrasion resistant convex on the surface of conical drum
Block.
Present invention employs physical method to tile in advance, be compacted the principle of the bed of material, the pre-compacted that material is carried out, stabilize material
Layer, decreases grinding machine vibration, improves mill efficiency, can coordinate or replace the interior water injector of mill to stablize the bed of material, less or
Stop the water impact on material, thus overcome the essence shortcoming that old-fashioned slag Vertical Mill Stabilizing Materials layer method exists.
Doffer is concentrated to contain extension tube 9, wherein: the upper end of extension tube 9 connects with the lower end of the blanking inner cone bucket 7 of Vertical Mill
Connecing, the inner chamber bottom of extension tube 9 is provided with fixed plate 10, and fixed plate 10 is connected with the top of connecting plate 11, connecting plate 11 times
Portion is connected with material scraping plate 12, leaves gap between lower surface and the mill 8 of Vertical Mill of material scraping plate 12.
Preferred version: fixed plate 10 and connecting plate 11 are bolted, and, fixed plate 10 and connecting plate 11 are arranged
Bar hole (or interval arranges bolt hole), it is possible to change the connection height of the two.
Material scraping plate 12 is one for rectangle and quantity, and material scraping plate 12 does not moves, and mill 8 moves in a circle, extension tube 9,
Fixed plate 10, connecting plate 11 and material scraping plate 12 all use metal material to make.
Due to the fact that the addition of extension tube 9, shorten the distance between blanking inner cone bucket 7 and mill 8, under effectively reducing
During falling, coarse-fine aggregate disperses isolation, it is possible to effectively solves material thing discharging point and occurs in tremie pipe dropping process partially
Moving, blanking point is not in the problem at mill center
Drum sieve device 53 is containing feeding belt conveyer 21, wherein: the discharging opening of belt conveyor 21 is entered by charge pipe 26
Entering cylinder round sifter 22, slag isolates qualified material and bulk materials and foreign material through cylinder round sifter 22, and qualified material is led to
Cross qualified material chute 24 to enter into mill belt conveyor 25, bulk materials and foreign material by foreign material chute 27 and foreign material discharge pipe
23 are stacked into storeroom, it is also possible to being discharged in dumper, car is the most directly transported；Cylinder round sifter 22 includes frame, in frame
Being provided with motor and cylinder, the two is connected by drive mechanism, and cylinder is provided with screen cloth, and slag passes through charge pipe 26 from rolling
One end of cylinder enters, and the other end of cylinder connects with foreign material discharge pipe 23.
Drum-inclined formula is arranged, and its front end is higher than rear end, the aperture 8mmX8mm of screen cloth, and the inclination angle of cylinder is 58 °,
Roll surface speed 55 65m/min of cylinder.
Arranging lifting blade and quartering hammer (being not drawn in figure) in cylinder, lifting blade uses spiral design and is fixed on cylinder
On inwall, quartering hammer uses tup and the structure of hammer stem, and hammer stem is fixed on the central rotating shaft of described cylinder, and the length of hammer stem is not
The most identical.
The present invention relies on the rotation screening materials carrying of cylinder, as long as the angle of inclination of control cylinder and speed of gyration are at suitable model
Enclose, good screening effect can obtained, the most also be avoided that the blocking to screen cloth of bulk materials and foreign material.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, all
It is based on any simple modification, equivalent variations and modification that above example is made by the technical spirit of the present invention, all still falls within
In the range of technical solution of the present invention.
Claims (10)
1. steel slag grinding sorting a process of refinement system, including metering device, slag Vertical Mill, elevator, deironing device of pipeline,
Efficient permanent magnet cylinder tramp iron separator and dust-precipitator, is characterized in that: slag raw material carries through described metering device and belt conveyor
Sieving to drum sieve device, after screening, large granular materials is directly used as admixture collection, and after screening, small particles material passes through
Belt conveyor is delivered to slag Vertical Mill and carries out grinding, and the fine powder after grinding enters powder collector and is collected, more defeated by skewed slot
Deliver to steel-making slag powder storehouse, use as cement additive；Bulk and ferrous material after grinding are thrown away by the centrifugal force of mill
Described slag Vertical Mill, then carry out except ferrum by described deironing device of pipeline and efficient permanent magnet cylinder tramp iron separator, except the bulky grain after ferrum
Material is delivered to described elevator, is directly used as admixture and collects, and isolated iron powder and ferrous material enter and connect metal trough, are used as
Return sintering or back mixing steel；The interior intracavity of described slag Vertical Mill is provided with bed of material prepressing device or/and concentrate doffer.
Steel slag grinding the most according to claim 1 sorting process of refinement system, is characterized in that: described bed of material prepressing device
Containing milling roller, the two ends of described milling roller are provided with rotary shaft, and described rotary shaft is connected with connecting rod by bearing and bearing block
Connecing, described connecting rod is connected with bracing frame, and support frame as described above is fixed on the inner chamber body wall of slag Vertical Mill, and, described support
Frame is in the inner chamber of described slag Vertical Mill between two adjacent grinding rollers.
Steel slag grinding the most according to claim 2 sorting process of refinement system, is characterized in that: described milling roller is hollow
Conical drum, and, the conical surface of described conical drum is arranged at intervals with wear resistant lug；Support frame as described above is triangle
Structure, and, support frame as described above is provided with bar hole, or is arranged at intervals with bolt hole, it is possible to change the peace of support frame as described above
Dress height.
Steel slag grinding the most according to claim 1 sorting process of refinement system, is characterized in that: described concentration blanking fills
Putting, containing extension tube, the upper end of described extension tube is connected, under the inner chamber of described extension tube with the lower end of the blanking inner cone bucket of Vertical Mill
Portion is provided with fixed plate, and described fixed plate is connected with the top of connecting plate, and the bottom of described connecting plate is connected with material scraping plate, described
Gap is left between lower surface and the mill of described Vertical Mill of material scraping plate.
Steel slag grinding the most according to claim 4 sorting process of refinement system, is characterized in that: described fixed plate and connection
Plate is bolted, and, described fixed plate and connecting plate arrange bar hole, or interval arranges bolt hole, it is possible to change
Become the connection height of the two；Described material scraping plate is rectangle and quantity is one, and described material scraping plate does not moves, and described mill does circle
Zhou Yundong, described extension tube, fixed plate, connecting plate and material scraping plate all use metal material to make.
Steel slag grinding the most according to claim 1 sorting process of refinement system, is characterized in that: described drum sieve device contains
Having feeding belt conveyer, the discharging opening of described feeding belt conveyer enters cylinder round sifter by charge pipe, and slag passes through
Described cylinder round sifter isolates qualified material and bulk materials and foreign material, and described qualified material is entered by qualified material chute
Entering and grind belt conveyor, described bulk materials and foreign material are stacked into storeroom by foreign material discharge pipe；Described cylinder round sifter bag
Including rack, described frame is provided with motor and cylinder, and the two is connected by drive mechanism, and described cylinder is provided with sieve
Net, slag is entered from one end of described cylinder by described charge pipe, and the other end of described cylinder is with described foreign material discharge pipe even
Logical.
Steel slag grinding the most according to claim 6 sorting process of refinement system, is characterized in that: described cylinder round sifter inclines
Inclined is arranged, and its front end is higher than rear end, and the aperture 8mmX8mm of described screen cloth, the inclination angle of described cylinder is 58 °, described rolling
Roll surface speed 55 65m/min of cylinder；Arranging lifting blade and quartering hammer in described cylinder, described lifting blade uses spiral
Designing and be fixed on inner wall of rotary drum, described quartering hammer uses tup and the structure of hammer stem, and described hammer stem is fixed on described cylinder
Central rotating shaft on, the length of described hammer stem is not quite similar.
8. a steel slag grinding sorting process of refinement method, comprises the following steps:
A, slag raw material is transported to drum sieve device through described metering device and belt conveyor sieves, big after screening
Granule materials is directly used as admixture and collects, and after screening, small particles material is delivered to slag Vertical Mill through belt conveyor and carries out powder
Mill；
B, the fine powder after grinding is entered powder collector it is collected, then be delivered to steel-making slag powder storehouse by skewed slot, as cement mixing
Materials'use；Bulk and ferrous material after grinding throw away described slag Vertical Mill by the centrifugal force of mill, then by described pipe
Road tramp iron separator and efficient permanent magnet cylinder tramp iron separator carry out except ferrum, except the large granular materials after ferrum is delivered to described elevator, directly
Collect as admixture；
C, isolated iron powder and ferrous material are entered connect metal trough, be used as to return sintering or back mixing steel；At described slag Vertical Mill
Interior intracavity is provided with bed of material prepressing device or/and concentrate doffer.
Steel slag grinding the most according to claim 8 sorting process of refinement method, is characterized in that: described bed of material prepressing device
Containing milling roller, the two ends of described milling roller are provided with rotary shaft, and described rotary shaft is connected with connecting rod by bearing and bearing block
Connecing, described connecting rod is connected with bracing frame, and support frame as described above is fixed on the inner chamber body wall of slag Vertical Mill, and, described support
Frame is in the inner chamber of described slag Vertical Mill between two adjacent grinding rollers.
Steel slag grinding the most according to claim 8 sorting process of refinement system, is characterized in that: described concentration blanking fills
Putting, containing extension tube, the upper end of described extension tube is connected, under the inner chamber of described extension tube with the lower end of the blanking inner cone bucket of Vertical Mill
Portion is provided with fixed plate, and described fixed plate is connected with the top of connecting plate, and the bottom of described connecting plate is connected with material scraping plate, described
Gap is left between lower surface and the mill of described Vertical Mill of material scraping plate.
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| CN109046707A (en) * | 2018-07-06 | 2018-12-21 | 德兴市龙兴钙业有限公司 | A kind of process units of powdered whiting |
| CN111167586A (en) * | 2020-03-03 | 2020-05-19 | 亿诚（天津）建筑安装有限公司 | Superfine steel slag treatment system and method |
| CN112169973A (en) * | 2020-09-10 | 2021-01-05 | 成都建筑材料工业设计研究院有限公司 | Steel slag integrated efficient grinding and iron recovery system and method |
| CN112275434A (en) * | 2020-10-19 | 2021-01-29 | 稷山县华越建材有限公司 | Production process convenient for manufacturing slag micro powder |
| CN112624637A (en) * | 2020-12-18 | 2021-04-09 | 天津水泥工业设计研究院有限公司 | High-activity steel slag micro powder preparation system |
| CN115569710A (en) * | 2022-12-09 | 2023-01-06 | 济南老来寿生物集团股份有限公司 | Grinding device and grinding process for producing spina date seed, gastrodia elata and schisandra chinensis capsules |
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| CN111167586A (en) * | 2020-03-03 | 2020-05-19 | 亿诚（天津）建筑安装有限公司 | Superfine steel slag treatment system and method |
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| CN112624637A (en) * | 2020-12-18 | 2021-04-09 | 天津水泥工业设计研究院有限公司 | High-activity steel slag micro powder preparation system |
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