CN106040405A - Pre-grinding vertical mill united semi-finish grinding system with built-in powder concentrator - Google Patents
Pre-grinding vertical mill united semi-finish grinding system with built-in powder concentrator Download PDFInfo
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- CN106040405A CN106040405A CN201610592289.XA CN201610592289A CN106040405A CN 106040405 A CN106040405 A CN 106040405A CN 201610592289 A CN201610592289 A CN 201610592289A CN 106040405 A CN106040405 A CN 106040405A
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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
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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
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/001—Air flow directing means positioned on the periphery of the horizontally rotating milling surface
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/30—Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
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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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/34—Passing gas through crushing or disintegrating zone gas being recirculated to crushing or disintegrating zone
-
- 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
- B02C2015/002—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs combined with a classifier
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a pre-grinding vertical mill united semi-finish grinding system with a built-in powder concentrator. A material prepared by a metering and burdening mechanism is fed into a pre-grinding vertical mill through a lifting conveyor mechanism for grinding; large-particle materials ground by the pre-grinding vertical mill are discharged from a slag discharging opening, and then are conveyed into the pre-grinding vertical mill through the lifting conveyor mechanism for grinding again; powdered materials ground by the pre-grinding vertical mill are sorted by a powder sorting device arranged in the pre-grinding vertical mill, and semi-finished products separated by the powder sorting device are discharged from the pre-grinding vertical mill and then are fed into a ball grinder through a conveying mechanism for grinding; qualified fine powder meeting the requirement enters a dust collector and is used as finished products; the pre-grinding vertical mill is connected with the dust collector through a pipeline; the dust collector is connected with a fan through a pipeline. According to the pre-grinding vertical mill united semi-finish grinding system with the built-in powder concentrator, the process is simplified, the production efficiency is improved, and the number of fault points of the system is reduced; the fineness of the products can be conveniently and quickly adjusted, and the system is easier to operate; the pre-grinding vertical mill can be located in the open air and is convenient to maintain.
Description
Technical field:
The present invention relates to a kind of Inorganic Non-metallic Materials grinding technology equipment, the pre-powder particularly relating to a kind of built-in powder concentrator stands
Mill associating half final grinding system.
Background technology:
At present, the widely used roll squeezer of cement industry forms Joint grinding system with ball mill, carries out the materials such as pulverizing cement, thing
Expecting to be broken up by elevating conveyor mechanism feeding V-type powder concentrator, sorted after roll squeezer extrudes, coarse fodder falls into the lotus above roll squeezer
Weight storehouse, then the extruding of feeding roller press, fines is brought into rotoclone collector and is collected as semi-finished product feeding ball mill grinding again；
Going out the material of ball mill to sort through vortex powder selecting machine, qualified products are collected by bag collector, and coarse powder is returned serve grinding machine grinding again, thing
Material broken up, sort rely on roll squeezer and ball mill each with blower fan wind regime is provided.But it is multiple to there is technological process in this system
The shortcoming such as miscellaneous, equipment failure rate is high, system running rate is low.
It addition, in various milling production lines generally using roll squeezer as pre-grinding, Comparatively speaking with roll squeezer as pre-powder
Mill has the material after many shortcomings, one, roll squeezer grinding, and its granular size cannot be screened in mill, is all logical
Overground other outer screening installations screen, and so will result in the waste of electric power and manpower, make the efficiency of whole production line
Reduce.Its two, roll squeezer with the highest ratio pressure work, cause wear-resistant roller surface life-span only about 3000h be accomplished by repair, safeguard
Costly, and the edge fail that both sides material leakage is brought causes mill efficiency to reduce by 20～30%, and circulating load increases, and specific energy consumption increases
Greatly, additionally high specific pressure design causes roll squeezer maximization difficulty bigger.
Summary of the invention:
The technical problem to be solved is: overcome the deficiencies in the prior art, it is provided that a kind of reasonable in design, compact conformation,
The pre-powder Vertical Mill of the built-in powder concentrator that capacity usage ratio is high and maintenance cost is low combines half final grinding system.
The technical scheme is that
The pre-powder Vertical Mill of a kind of built-in powder concentrator combines half final grinding system, including batching mechanism, elevating conveyor, pre-powder
Vertical Mill, ball mill, dust-precipitator and blower fan, the material of described batching mechanism preparation feeds institute through described elevating conveyor mechanism
Stating pre-powder Vertical Mill and carry out grinding, the large granular materials after described pre-powder vertical mill grinding is discharged by slag-drip opening, more defeated by described lifting
Sending machine mechanism to send into described pre-powder Vertical Mill and carry out grinding again, the granular material after described pre-powder vertical mill grinding is stood by described pre-powder
Grinding built-in powder selection device to sort, the semi-finished product under being selected by described powder selection device discharge described pre-powder Vertical Mill, then through conveying
Mechanism feeds described ball mill and carries out grinding, meets the qualified fine powder described dust-precipitator of entrance required and collects as finished product, described
Pre-powder Vertical Mill connects described dust-precipitator through pipeline, and described dust-precipitator connects described blower fan through pipeline.
Pre-powder Vertical Mill includes base, mill transmission device, grinding machine shell, grinding roller and charger, described grinding machine shell
Inner chamber bottom is provided with mill, and the upper surface edge of described mill is provided with striker plate, and described mill surrounding is provided with air channel,
Being provided with blast pipe on described air channel, the upper end in described air channel is provided with vane, and the top of described grinding machine shell is provided with blanking
Chute, the upper end of described grinding machine shell is provided with powder selection device, and described powder selection device includes selecting powder housing and selecting powder actuating device,
Being provided with guider in the described inner chamber selecting powder housing, the described line shaft selecting powder actuating device is connected with rotor, described choosing
The lower end of powder shell is provided with inner cone bucket, and the lower end of described inner cone bucket is provided with inner cone bucket feeding chute.
Material is fallen in the middle of described mill by described feeding chute, and material is uniform to institute under the effect of mill centrifugal force
State striker plate side shifting, material through described mill and grinding roller roll district after, material by the striker plate at mill edge from
Scattering under mental power function on vane, the dust granules falling vane is broken up by wind from bottom to top that enter from described air inlet
Blowing afloat and bring described powder selection device into, the particle diameter coarse granule more than 0.3mm drops down onto in air channel, scrapes to discharge port to discharge through material scraping plate and grinds
Machine, the qualified fine powder of particle diameter≤50 μm is directly selected as finished product by described powder selection device, and the particle diameter under powder selection device choosing is at 50 μ
The relatively coarse granule of m～0.3mm falls in the inner cone bucket below rotor, then discharges grinding machine by inner cone bucket feeding chute, the most again
Enter pulverizing mill grinding.
Feeding chute at described inner cone bucket feeding chute and described blast pipe all with air valve, and, described blanking
Chute top connects rotary feeder, it is ensured that grinding machine inner chamber is for sealing space.
Described striker plate is adjustable height structure, and its height adjustable scope is 190～300mm, the steel plate of described vane
On have hole, hot blast will fall the material scattering of top by the hole on the steel plate of described vane.
Described inner cone bucket feeding chute and angle of inclination >=45 ° of horizontal direction；Described feeding chute and horizontal direction
Angle of inclination >=50 °, the shaft centre line of described grinding roller and horizontal direction angle are 10 °～20 °, the central diameter of described grinding roller and mill
Effective diameter ratio be 0.5～0.9.
Described select powder actuating device to include motor and speed reducer, described motor are frequency conversion motor, it is possible to change described rotor
Rotating speed, and then obtain the finished product of different fineness.
Described blast pipe has two and is distributed on the both sides of grinding machine, and hot blast is passed through from grinding machine both sides, makes grinding machine internal gas pressure more
Adding stable, the lower section of one of them described blast pipe is provided with blast pipe feeding chute.
Described grinding roller is cone shape, and described mill is flat shape, and described grinding roller can under the effect turning over roller arrangement
Rout up grinding machine around rocker arm shaft center in grinding machine, make described grinding roller center be perpendicular to horizontal direction, convenient maintenance, institute
State rocking arm to be at least connected with a load cylinder in charger.
The invention has the beneficial effects as follows:
1, Simplified flowsheet of the present invention, makes production line compacter, reduces the power consumption of whole production line simultaneously, saves labour force, carries
High efficiency, makes system failure point reduce simultaneously, and system running rate is higher；Can convenient, fast regulation product fineness etc., system
It is more easy to operation；Vertical Mill can outdoor be arranged, easy to maintenance.
2, the material of variable grain can be screened in mill by the present invention, it is not necessary to extra selects powder equipment, simplifies
Technique, reduces maintenance cost, makes production line reduce specific energy consumption 15～more than 20% for comparing roll squeezer.
3, mill edge of the present invention is provided with striker plate, and for the qualifier bed of material, striker plate is layering, can regulate height
Degree (adjustable extent 190～300mm), striker plate, by regulating height thus instrumentality thickness of feed layer, is so conducive to finding
Material thickness during good mill efficiency.
4, having hole on the steel plate of vane of the present invention, hot blast can fall the material scattering of top by the hole of vane,
Additionally the chute on inner cone bucket and the feeding chute at blast pipe are all with air valve, and feeding chute top connects revolution blanking
Device, it is ensured that for sealing space in mill.
5, grinding roller of the present invention can be routed up mill around rocker arm shaft bearing under the effect turning over roller arrangement in mill, makes grinding roller
Center is perpendicular to horizontal direction, convenient maintenance.
6, the present invention selects powder actuator motor to be frequency conversion motor, can regulate rotating speed, thus regulate rotor speed, pass through
Regulation rotor speed can obtain the finished product of different fineness.
7, the present invention pre-powder Vertical Mill makes gas become hot gas at the heat that grinding produces, after dust-precipitator filters, and one
Dividing hot gas to be again introduced into pre-powder Vertical Mill to recycle with material drying, a part is by row, energy efficient outside chimney.
8, the present invention is reasonable in design, compact conformation, capacity usage ratio high and maintenance cost is low, and it is applied widely, it is easy to
Promotion and implementation, economic benefit is obvious.
Accompanying drawing illustrates:
Fig. 1 is the structural representation that the pre-powder Vertical Mill of built-in powder concentrator combines half final grinding system；
Fig. 2 is the structural representation of pre-powder Vertical Mill in Fig. 1.
Detailed description of the invention:
Embodiment: see Fig. 1 and Fig. 2, in figure, 1-base；2-mill transmission device；3-blast pipe feeding chute；4-blast pipe；
5-air channel；6-vane；7-striker plate；8-mill；9-grinding machine shell；10-feeding chute；11-selects powder actuating device；12-guides
Device (has another name called: stator blade)；13-rotor；14-selects powder housing；15-inner cone bucket；16-inner cone bucket feeding chute；17-grinding roller；18-
Rocking arm；19-support；20-charger；21-turns over roller arrangement, 31-batching mechanism, 32-pre-powder Vertical Mill, 33-semi-finished product,
34-ball mill, 35-dust-precipitator, 36-blower fan, 37-chimney, 38-circulated air, 39-finished product.
The pre-powder Vertical Mill of built-in powder concentrator combines half final grinding system, including batching mechanism 31, elevating conveyor, pre-
Powder Vertical Mill 32, ball mill 34, dust-precipitator 35 and blower fan 36, wherein: the material boosted conveyer machine of batching mechanism 1 preparation
Structure feeds pre-powder Vertical Mill 32 and carries out grinding, and the large granular materials after pre-powder Vertical Mill 32 grinding is discharged by slag-drip opening, more defeated by promoting
Sending machine mechanism to send into pre-powder Vertical Mill 32 and carry out grinding again, the granular material after pre-powder Vertical Mill 32 grinding is built-in by pre-powder Vertical Mill 32
Powder selection device sort, discharged pre-powder Vertical Mill 32 by the semi-finished product 33 that powder selection device choosing is lower, then through conveying mechanism feeding ball
Grinding machine 34 carries out grinding, meets the qualified fine powder required and enters dust-precipitator 35 and collect as finished product 39, and pre-powder Vertical Mill 32 is through pipeline
Connecting dust-precipitator 35, dust-precipitator 35 is through pipeline connecting fan 36.Pre-powder Vertical Mill 32 makes gas become heat at the heat that grinding produces
Gas, after dust-precipitator 35 filters, a part of hot gas is again introduced into pre-powder Vertical Mill 32 and recycles with material drying, a part
By the outer row of chimney 37, energy efficient.
Pre-powder Vertical Mill includes base 1, mill transmission device 2, grinding machine shell 9, grinding roller 17 and charger 20, grinding machine shell
The inner chamber bottom of 9 is provided with mill 8, and the upper surface edge of mill 8 is provided with striker plate 7, and mill 8 surrounding is provided with air channel 5,
Being provided with blast pipe 4 on air channel 5, the upper end in air channel 5 is provided with vane 6, and the top of grinding machine shell 9 is provided with feeding chute 10,
Wherein: the upper end of grinding machine shell 9 is provided with powder selection device, powder selection device includes selecting powder housing 14 and selecting powder actuating device 11, choosing
The inner chamber of powder housing 14 is provided with guider 12, selects the line shaft of powder actuating device 11 to be connected with rotor 13, select powder shell
The lower end of 14 is provided with inner cone bucket 15, and the lower end of inner cone bucket 15 is provided with inner cone bucket feeding chute 16, and material passes through feeding chute
10 fall in the middle of mill 8, and material is uniformly to striker plate 7 side shifting under the effect of mill 8 centrifugal force, and material is through mill 8 He
Grinding roller 17 roll district after, material is scattered on vane 6, from air intake by the striker plate 7 at mill 8 edge under centrifugal action
The dust granules fallen on vane 6 is broken up to blow afloat and is brought powder selection device into by wind that mouth 4 enters from bottom to top, and particle diameter is more than 0.3mm
Coarse granule drop down onto in air channel 5, scrape through material scraping plate and discharge grinding machine to discharge port, and be again introduced into grinding machine by outer circulation elevator
Carry out grinding；The qualified fine powder of particle diameter≤50 μm is directly selected as finished product by powder selection device, and the particle diameter under powder selection device choosing exists
The relatively coarse granule of 50 μm～0.3mm falls in rotor 13 inner cone bucket 15 below, then discharges mill by inner cone bucket feeding chute 16
Machine, then enters back into pulverizing mill grinding.
Blast pipe feeding chute 3 at inner cone bucket feeding chute 16 and blast pipe 4 all with air valve, and, blanking chute
Groove 10 top connects rotary feeder, it is ensured that grinding machine inner chamber is for sealing space.
Striker plate 7 is adjustable height structure, and its height adjustable scope is 190～300mm, and the steel plate of vane 6 has
Hole, hot blast will fall the material scattering of top by the hole on the steel plate of vane 6.
Inner cone bucket feeding chute 16 and angle of inclination >=45 ° of horizontal direction；Feeding chute 10 and the inclination of horizontal direction
Angle >=50 °, the shaft centre line of grinding roller 17 and horizontal direction angle are 10 °～20 °, and the central diameter of grinding roller 17 is effective with mill 8
Diameter ratio is 0.5～0.9.
Selecting powder actuating device 11 to include motor and speed reducer, motor is frequency conversion motor, it is possible to changes the rotating speed of rotor 13, enters
And obtain the finished product of different fineness.Blast pipe 4 has two and is distributed on the both sides of grinding machine, and hot blast is passed through from grinding machine both sides, makes mill
Machine internal gas pressure is more stable, and the lower section of one of them blast pipe 4 is provided with blast pipe feeding chute 3.
Grinding roller 17 is cone shape, and mill 8 is flat shape, and grinding roller 17 can be from grinding machine under the effect turning over roller arrangement 21
The interior axle center around rocking arm 18 is routed up outside grinding machine, makes grinding roller 17 center be perpendicular to horizontal direction, convenient maintenance, rocking arm 18
At least it is connected with a load cylinder in charger 20.
Simplified flowsheet of the present invention, makes production line compacter, reduces the power consumption of whole production line simultaneously, saves labour force,
Improving production efficiency, make system failure point reduce simultaneously, system running rate is higher；Can convenient, fast regulation product fineness etc., be
System is more easy to operation；Vertical Mill can outdoor be arranged, easy to maintenance.
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 (9)
1. the pre-powder Vertical Mill of built-in powder concentrator combines half final grinding system, including batching mechanism, elevating conveyor, pre-
Powder Vertical Mill, ball mill, dust-precipitator and blower fan, is characterized in that: the material of described batching mechanism preparation promotes conveying through described
Machine mechanism feeds described pre-powder Vertical Mill and carries out grinding, and the large granular materials after described pre-powder vertical mill grinding is discharged by slag-drip opening, then
Sent into described pre-powder Vertical Mill by described elevating conveyor mechanism and carry out grinding again, the granular material after described pre-powder vertical mill grinding
The powder selection device built-in by described pre-powder Vertical Mill sorts, and the semi-finished product under being selected by described powder selection device are discharged described pre-powder and stood
Mill, then carry out grinding through the conveying mechanism described ball mill of feeding, meet the qualified fine powder described dust-precipitator of entrance required and collect work
For finished product, described pre-powder Vertical Mill connects described dust-precipitator through pipeline, and described dust-precipitator connects described blower fan through pipeline.
The pre-powder Vertical Mill of built-in powder concentrator the most according to claim 1 combines half final grinding system, it is characterized in that: described pre-
Powder Vertical Mill includes base, mill transmission device, grinding machine shell, grinding roller and charger, and the inner chamber bottom of described grinding machine shell sets
Being equipped with mill, the upper surface edge of described mill is provided with striker plate, and described mill surrounding is provided with air channel, on described air channel
Being provided with blast pipe, the upper end in described air channel is provided with vane, and the top of described grinding machine shell is provided with feeding chute, described mill
The upper end of casing body is provided with powder selection device, and described powder selection device includes selecting powder housing and selects powder actuating device, described selects powder shell
Being provided with guider in the inner chamber of body, the described line shaft selecting powder actuating device is connected with rotor, described selects under powder shell
End is provided with inner cone bucket, and the lower end of described inner cone bucket is provided with inner cone bucket feeding chute.
The pre-powder Vertical Mill of built-in powder concentrator the most according to claim 2 combines half final grinding system, it is characterized in that: material leads to
Crossing described feeding chute and fall in the middle of described mill, material is uniform to described striker plate sidesway under the effect of mill centrifugal force
Dynamic, material through described mill and grinding roller roll district after, material is spread under centrifugal action by the striker plate at mill edge
Fall on vane, the wind entered from described air inlet from bottom to top the dust granules falling vane is broken up blow afloat bring into described
Powder selection device, particle diameter drops down onto in air channel more than the coarse granule of 0.3mm, scrapes to discharge port through material scraping plate and discharges grinding machine, described selects powder
The qualified fine powder of particle diameter≤50 μm is directly selected as finished product by device, and the particle diameter under powder selection device choosing is at 50 μm～0.3mm
Relatively coarse granule falls in the inner cone bucket below rotor, then discharges grinding machine by inner cone bucket feeding chute, then enters back into whole grinding
Machine grinding.
The pre-powder Vertical Mill of built-in powder concentrator the most according to claim 2 combines half final grinding system, it is characterized in that: in described
Cone bucket feeding chute and described blast pipe at blast pipe feeding chute all with air valve, and, described feeding chute top
Connect and have rotary feeder, it is ensured that grinding machine inner chamber is for sealing space.
The pre-powder Vertical Mill of built-in powder concentrator the most according to claim 2 combines half final grinding system, it is characterized in that: described gear
Flitch is adjustable height structure, and its height adjustable scope is 190～300mm, and the steel plate of described vane has hole, and hot blast leads to
Cross the hole on the steel plate of described vane and will fall the material scattering of top.
The pre-powder Vertical Mill of built-in powder concentrator the most according to claim 2 combines half final grinding system, it is characterized in that: in described
Cone bucket feeding chute and angle of inclination >=45 ° of horizontal direction；Described feeding chute and angle of inclination >=50 ° of horizontal direction,
The shaft centre line of described grinding roller and horizontal direction angle are 10 °～20 °, and the central diameter of described grinding roller with the effective diameter ratio of mill is
0.5～0.9.
The pre-powder Vertical Mill of built-in powder concentrator the most according to claim 2 combines half final grinding system, it is characterized in that: described choosing
Powder actuating device includes that motor and speed reducer, described motor are frequency conversion motor, it is possible to changes the rotating speed of described rotor, and then obtains
The finished product of different fineness.
The pre-powder Vertical Mill of built-in powder concentrator the most according to claim 2 combines half final grinding system, it is characterized in that: described in enter
Airduct has two and is distributed on the both sides of grinding machine, and hot blast is passed through from grinding machine both sides, makes grinding machine internal gas pressure more stable, one of them
The lower section of described blast pipe is provided with blast pipe feeding chute.
The pre-powder Vertical Mill of built-in powder concentrator the most according to claim 2 combines half final grinding system, it is characterized in that: described mill
Roller is cone shape, and described mill is flat shape, and described grinding roller can be around shaking in grinding machine under the effect turning over roller arrangement
Arm axle center is routed up outside grinding machine, makes described grinding roller center be perpendicular to horizontal direction, convenient maintenance, described rocking arm at least with add
The load cylinder carried in putting connects.
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| CN201610592289.XA CN106040405A (en) | 2016-07-26 | 2016-07-26 | Pre-grinding vertical mill united semi-finish grinding system with built-in powder concentrator |
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| CN201610592289.XA CN106040405A (en) | 2016-07-26 | 2016-07-26 | Pre-grinding vertical mill united semi-finish grinding system with built-in powder concentrator |
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| CN107570302A (en) * | 2017-07-13 | 2018-01-12 | 北方重工集团有限公司 | A kind of portable grinding station system and technique |
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| CN110075974A (en) * | 2019-05-10 | 2019-08-02 | 江苏吉达机械制造有限公司 | A kind of powder concentrator of milling online |
| CN110218013A (en) * | 2019-06-17 | 2019-09-10 | 长沙紫宸科技开发有限公司 | With the method and apparatus of modified vertical mill system production ardealite building gypsum plaster |
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| CN111825359A (en) * | 2020-08-27 | 2020-10-27 | 重庆三颗草科技有限公司 | A crushing pre-combustion furnace device for co-processing semi-solid waste in cement kilns |
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| CN107469944A (en) * | 2017-09-25 | 2017-12-15 | 桂林鸿程矿山设备制造有限责任公司 | Raymond machine fine powder, coarse powder and sand are integrally machined system |
| CN108187827A (en) * | 2018-02-01 | 2018-06-22 | 先拓宏儒新材料（江苏）有限公司 | A kind of slag fine powder mill vertical mill for removing RO phase mineral |
| CN108927275A (en) * | 2018-08-13 | 2018-12-04 | 南京凯盛国际工程有限公司 | Combined type cement grinding system and method suitable for high moisture content material |
| CN109107736A (en) * | 2018-10-19 | 2019-01-01 | 四川亿欣新材料有限公司 | A kind of superfine calcium carbonate powder process units and method |
| CN109759212A (en) * | 2019-01-23 | 2019-05-17 | 宁波北新建材有限公司 | A kind of preparation facilities preparing coagulant using waste gypsum plate |
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| CN110218013B (en) * | 2019-06-17 | 2021-12-31 | 长沙紫宸科技开发有限公司 | Method and equipment for producing phosphogypsum building gypsum powder by using improved vertical mill system |
| CN110732382A (en) * | 2019-11-26 | 2020-01-31 | 天津水泥工业设计研究院有限公司 | machine-made sand vertical mill and production process system thereof |
| CN111825359A (en) * | 2020-08-27 | 2020-10-27 | 重庆三颗草科技有限公司 | A crushing pre-combustion furnace device for co-processing semi-solid waste in cement kilns |
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