CN205966113U - Powder in advance of built -in selection powder machine stands to grind unites half whole grinding system - Google Patents

Powder in advance of built -in selection powder machine stands to grind unites half whole grinding system Download PDF

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CN205966113U
CN205966113U CN201620789886.7U CN201620789886U CN205966113U CN 205966113 U CN205966113 U CN 205966113U CN 201620789886 U CN201620789886 U CN 201620789886U CN 205966113 U CN205966113 U CN 205966113U
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powder
mill
grinding
built
vertical mill
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王纪中
赵化冲
屈志杰
赵化科
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XINXIANG GREAT WALL MACHINERY CO Ltd
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XINXIANG GREAT WALL MACHINERY CO Ltd
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Abstract

The utility model discloses a powder in advance of built -in selection powder machine stands to grind unites half whole grinding system, material that its measurement batching mechanism prepared through promote the feeding of conveyer mechanism in advance the powder found sand -in line grinding, the large granule material that stands after the crocus grinds of powder is discharged by row cinder notch in advance, again by it sends into to promote conveyer mechanism the powder founds sand -in line grinding once more in advance, in advance the powder stand after the crocus grinds the powdery material by the powder founds the whitewashed device of the built -in selection of mill and selects separately the quilt in advance semi -manufactured goods under selection powder device selects are discharged the powder stands and grinds in advance, again through the conveying mechanism feeding the ball mill carries out the grinding, and the qualified farine that meets the demands gets into the dust collector is collected as the finished product, the powder stands and grinds through the pipe connection in advance the dust collector, the dust collector is through the pipe connection the fan. The utility model discloses simplifying processing improves production efficiency, reduces system failure point, regulation product fineness that can convenient and fast etc. And the system changes the operation, but the powder stands and grinds outdoor arrangement, easy maintenance in advance.

Description

Pre- powder Vertical Mill joint half final grinding system of built-in powder concentrator
Technical field:
The utility model is related to a kind of Inorganic Non-metallic Materials grinding technology equipment, more particularly to a kind of built-in powder concentrator Pre- powder Vertical Mill joint half final grinding system.
Background technology:
At present, the widely used roll squeezer of cement industry and ball mill form Joint grinding system, carry out the things such as pulverizing cement Material, material is broken up, is sorted by elevating conveyor mechanism feeding V-type powder concentrator after roll squeezer extruding, and coarse fodder falls on roll squeezer The loading storehouse of side, then feed roll squeezer extruding, fines is brought into rotoclone collector and is collected as semi-finished product feeding ball mill Grinding again;Go out the material of ball mill to sort through vortex powder selecting machine, qualified products are collected by bag collector, meal is returned serve grinding machine again Grinding, material is broken up, is sorted the blower fan offer wind regime that dependence roll squeezer and ball mill respectively come with.But there is technique in this system Flow process is complicated, equipment failure rate is high, the low shortcoming of system running rate.
In addition, generally using roll squeezer as pre- grinding in various milling production lines, Comparatively speaking using roll squeezer as pre- powder Mill has many shortcomings, first, the material after roll squeezer grinding, its granular size cannot be screened in mill, is all logical Overground other outer screening installations are screened, and so will result in the waste of electric power and manpower, make the efficiency of whole production line Reduce.Second, roll squeezer is with very high ratio pressure work, lead to wear-resistant roller surface life-span only 3000h about be accomplished by repair, safeguard Costly, and the edge fail that both sides material leakage is brought lead to mill efficiency reduce by 20~30%, internal circulating load increase, specific energy consumption increase Greatly, in addition high specific pressure design leads to roll squeezer maximization difficulty larger.
Utility model content:
Technical problem to be solved in the utility model is:Overcome the deficiencies in the prior art, a kind of reasonable in design, knot is provided Pre- powder Vertical Mill joint half final grinding system of the built-in powder concentrator that structure is compact, capacity usage ratio is high and maintenance cost is low.
The technical solution of the utility model is:
A kind of pre- powder Vertical Mill joint half final grinding system of built-in powder concentrator, including batching mechanism, elevating conveyor, Pre- powder Vertical Mill, ball mill, dust-precipitator and blower fan, the material that described batching mechanism prepares is fed through described elevating conveyor mechanism Enter described pre- powder Vertical Mill and carry out grinding, the large granular materials after described pre- powder vertical mill grinding are discharged by slag-drip opening, then are carried by described Rise the conveyor mechanism described pre- powder Vertical Mill of feeding and carry out grinding again, the granular material after described pre- powder vertical mill grinding is by described pre- The built-in powder selection device of powder Vertical Mill is sorted, and the semi-finished product under being selected by described powder selection device discharge described pre- powder Vertical Mill, then warp Conveying mechanism feeds described ball mill and carries out grinding, meets the qualified fine powder requiring and enters described dust-precipitator collection 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, Blast pipe is provided with 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 selects powder transmission device, It is provided with guider, the described line shaft selecting powder transmission device is connected with rotor, described choosing in the described inner chamber selecting powder housing The lower end of powder housing is provided with interior cone bucket, and the lower end of described interior cone bucket is provided with interior cone bucket feeding chute.
Material is fallen in the middle of described mill by described feeding chute, and material is in the presence of mill centrifugal force uniformly to institute State striker plate side shifting, material through described mill and grinding roller roll area after, material pass through the striker plate at mill edge from Scatter under mental power function on vane, the dust granules fallen vane are broken up by wind from bottom to top that enter from described blast pipe Blow afloat and bring described powder selection device into, the coarse granule that particle diameter is more than 0.3mm drops down onto in air channel, scrape through material scraping plate and discharge mill to discharge port 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 in 50 μ The relatively coarse granule of m~0.3mm falls in the interior cone bucket below rotor, then discharges grinding machine, Ran Houzai by interior cone bucket feeding chute Enter pulverizing mill grinding.
Feeding chute at described interior cone bucket feeding chute and described blast pipe is all with air valve, and, described blanking Chute top is connected with rotary feeder it is ensured that grinding machine inner chamber is 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 interior 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 than for 0.5~0.9.
Described select powder transmission device to include motor and speed reducer, described motor be variable-frequency motor, described rotor can be changed 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 Plus stable, the lower section of one of 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 in the presence of turning over roller arrangement Rout up grinding machine around rocker arm shaft center in grinding machine, make described grinding roller center perpendicular to horizontal direction, convenient maintenance, institute State rocking arm to be at least connected with a load cylinder in charger.
The beneficial effects of the utility model are:
1st, the utility model Simplified flowsheet, makes production line compacter, reduces the power consumption of whole production line simultaneously, saves labor Power, improve production efficiency, so that system failure point is reduced, system running rate is higher simultaneously;Can convenient, fast regulation product fineness Deng system is more easy to operate;Vertical Mill can outdoor be arranged, easy to maintenance.
2nd, the utility model can be screened it is not necessary to extra selects powder equipment to the material of variable grain in mill, Simplified flowsheet, reduces maintenance cost, makes production line reduce specific energy consumption more than 15~20% for comparing roll squeezer.
3rd, the utility model mill edge is provided with striker plate, material bed for limiting, and striker plate is layering, can adjust Section height(Adjustable extent 190~300mm), striker plate pass through adjust height thus instrumentality thickness of feed layer, be so conducive to looking for To material thickness during optimal mill efficiency.
4th, have hole on the steel plate of the utility model vane, the material falling top can be beaten by hot blast by the hole of vane Dissipate, in addition, all with air valve, feeding chute top is connected with revolution for the chute in interior cone bucket and the feeding chute at blast pipe Blanking device is it is ensured that be sealing space in mill.
5th, the utility model grinding roller can be routed up mill around rocker arm shaft bearing in the presence of turning over roller arrangement in mill, makes Grinding roller center, perpendicular to horizontal direction, is conveniently maintained.
6th, the utility model selects powder actuator motor is variable-frequency motor, can adjust rotating speed, thus adjusting rotor speed, The finished product of different fineness can be obtained by adjusting rotor speed.
7th, the heat that the utility model pre- powder Vertical Mill produces in grinding makes gas be changed into hot gas, after filtering through dust-precipitator, A part of hot gas is again introduced into pre- powder Vertical Mill and recycles with material drying, and a part is by row, saving energy consumption outside chimney.
8th, the utility model is reasonable in design, compact conformation, capacity usage ratio are high and maintenance cost is low, and it is applied widely, Enforcement easy to spread, economic benefit is obvious.
Brief description:
Fig. 1 is the structural representation of pre- powder Vertical Mill joint half final grinding system of built-in powder concentrator;
Fig. 2 is the structural representation of pre- powder Vertical Mill in Fig. 1.
Specific embodiment:
Embodiment:Referring to Fig. 1 and Fig. 2, in figure, 1- base;2- mill transmission device;3- blast pipe feeding chute;4- enters Airduct;5- air channel;6- vane;7- striker plate;8- mill;9- grinding machine shell;10- feeding chute;11- selects powder transmission device;12- Guider(Also known as:Stator blade);13- rotor;14- selects powder housing;Cone bucket in 15-;Cone bucket feeding chute in 16-;17- grinds Roller;18- rocking arm;19- support;20- charger;21- turns over roller arrangement, 31- batching mechanism, 32- pre- powder Vertical Mill, 33- half Finished product, 34- ball mill, 35- dust-precipitator, 36- blower fan, 37- chimney, 38- circulated air, 39- finished product.
Pre- powder Vertical Mill joint half final grinding system of built-in powder concentrator, includes batching mechanism 31, elevating conveyor, in advance Powder Vertical Mill 32, ball mill 34, dust-precipitator 35 and blower fan 36, wherein:The material boosted conveyer machine that batching mechanism 1 prepares Structure feeds pre- powder Vertical Mill 32 and carries out grinding, and the large granular materials after pre- powder Vertical Mill 32 grinding are discharged by slag-drip opening, more defeated by being lifted Song Ji mechanism sends into pre- powder Vertical Mill 32 and carries out grinding again, and the granular material after pre- powder Vertical Mill 32 grinding is built-in by pre- powder Vertical Mill 32 Powder selection device sorted, discharged pre- powder Vertical Mill 32 by the lower semi-finished product 33 of powder selection device choosing, then through conveying mechanism feeding ball Grinding machine 34 carries out grinding, meets the qualified fine powder requiring and enters dust-precipitator 35 and collects as finished product 39, and pre- powder Vertical Mill 32 is through pipeline Connect dust-precipitator 35, dust-precipitator 35 is through pipeline connecting fan 36.The heat that pre- powder Vertical Mill 32 produces in grinding makes gas be changed into heat Gas, after filtering through dust-precipitator 35, a part of hot gas is again introduced into pre- powder Vertical Mill 32 and recycles with material drying, a part Arrange by chimney 37 is outer, saving energy consumption.
Pre- powder Vertical Mill includes base 1, mill transmission device 2, grinding machine shell 9, grinding roller 17 and charger 20, grinding machine shell 9 inner chamber bottom 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, Blast pipe 4 is provided with 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, and powder selection device includes selecting powder housing 14 and selects powder transmission device 11, choosing It is provided with guider 12 in the inner chamber of powder housing 14, select the line shaft of powder transmission device 11 to be connected with rotor 13, select powder housing 14 lower end is provided with interior cone bucket 15, and the lower end of interior cone bucket 15 is provided with interior cone bucket feeding chute 16, and material passes through feeding chute 10 fall in the middle of mill 8, and, uniformly to striker plate 7 side shifting in the presence of mill 8 centrifugal force, material is through mill 8 He for material Grinding roller 17 roll area after, material scatters on vane 6, from air intake by the striker plate 7 at mill 8 edge under the action of the centrifugal force The dust granules fallen on vane 6 are broken up to blow afloat and are brought powder selection device into by wind that pipe 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 grinding machine is again introduced into 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 the interior cone bucket 15 below rotor 13, then discharges mill by interior cone bucket feeding chute 16 Machine, then enters back into pulverizing mill grinding.
Blast pipe feeding chute 3 at interior cone bucket feeding chute 16 and blast pipe 4 is all with air valve, and, blanking chute Groove 10 top is connected with rotary feeder it is ensured that grinding machine inner chamber is 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, the material scattering of top will be fallen in the hole that hot blast passes through on the steel plate of vane 6.
Interior 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 is than for 0.5~0.9.
Powder transmission device 11 is selected to include motor and speed reducer, motor is variable-frequency motor, can change the rotating speed of rotor 13, enter 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 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 in the presence of turning over roller arrangement 21 The interior axle center around rocking arm 18 is routed up outside grinding machine, makes grinding roller 17 center perpendicular to horizontal direction, convenient maintenance, rocking arm 18 At least it is connected with a load cylinder in charger 20.
The utility model Simplified flowsheet, makes production line compacter, reduces the power consumption of whole production line simultaneously, saves work Power, improve production efficiency, so that system failure point is reduced, system running rate is higher simultaneously;Can convenient, fast regulation product fineness Deng system is more easy to operate;Vertical Mill can outdoor be arranged, easy to maintenance.
The above, be only preferred embodiment of the present utility model, not the utility model is made any formal Restriction, every any simple modification above example made according to technical spirit of the present utility model, equivalent variations with Modify, all still fall within the range of technical solutions of the utility model.

Claims (9)

1. pre- powder Vertical Mill joint half final grinding system of a kind of built-in powder concentrator, includes batching mechanism, elevating conveyor, in advance Powder Vertical Mill, ball mill, dust-precipitator and blower fan, is characterized in that:The material that described batching mechanism prepares is through described lifting conveying Machine mechanism feeds described pre- powder Vertical Mill and carries out grinding, and the large granular materials after described pre- powder vertical mill grinding are discharged by slag-drip opening, then Described pre- powder Vertical Mill is sent into by described elevating conveyor mechanism and carries out grinding again, the granular material after described pre- powder vertical mill grinding Sorted by the built-in powder selection device of described pre- powder Vertical Mill, 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 described dust-precipitator of qualified fine powder entrance requiring and collect work For finished product, through the pipeline described dust-precipitator of connection, described dust-precipitator is through the pipeline described blower fan of connection for described pre- powder Vertical Mill.
2. pre- powder Vertical Mill joint half final grinding system of built-in powder concentrator according to claim 1, 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 It is 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 It is 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 transmission device, described selects powder shell It is provided with guider in the inner chamber of body, the described line shaft selecting powder transmission device is connected with rotor, described select under powder housing End is provided with interior cone bucket, and the lower end of described interior cone bucket is provided with interior cone bucket feeding chute.
3. pre- powder Vertical Mill joint half final grinding system of built-in powder concentrator according to claim 2, is characterized in that:Material leads to Cross described feeding chute and fall in the middle of described mill, material is in the presence of mill centrifugal force uniformly to described striker plate sidesway Dynamic, material through described mill and grinding roller roll area after, material is spread under the action of the centrifugal force by the striker plate at mill edge Fall on vane, the wind entering from described blast pipe from bottom to top the dust granules fallen vane are broken up blow afloat bring into described Powder selection device, the coarse granule that particle diameter is more than 0.3mm drops down onto in air channel, scrapes through material scraping plate and discharges grinding machine to discharge port, 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 50 μm~0.3mm's Fall in the interior cone bucket below rotor compared with coarse granule, then grinding machine is discharged by interior cone bucket feeding chute, then enter back into whole grinding Machine grinding.
4. pre- powder Vertical Mill joint half final grinding system of built-in powder concentrator according to claim 2, is characterized in that:Described interior Blast pipe feeding chute at cone bucket feeding chute and described blast pipe is all with air valve, and, described feeding chute top It is connected with rotary feeder it is ensured that grinding machine inner chamber is sealing space.
5. pre- powder Vertical Mill joint half final grinding system of built-in powder concentrator according to claim 2, 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.
6. pre- powder Vertical Mill joint half final grinding system of built-in powder concentrator according to claim 2, is characterized in that:Described interior 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.
7. pre- powder Vertical Mill joint half final grinding system of built-in powder concentrator according to claim 2, is characterized in that:Described choosing Powder transmission device includes motor and speed reducer, and described motor is variable-frequency motor, can change the rotating speed of described rotor, and then obtain The finished product of different fineness.
8. pre- powder Vertical Mill joint half final grinding system of built-in powder concentrator according to claim 2, is characterized in that:Described 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 The lower section of described blast pipe is provided with blast pipe feeding chute.
9. pre- powder Vertical Mill joint half final grinding system of built-in powder concentrator according to claim 2, 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 in the presence of turning over roller arrangement Arm axle center is routed up outside grinding machine, makes described grinding roller center perpendicular to horizontal direction, convenient maintain, described rocking arm at least with plus The load cylinder carrying in putting connects.
CN201620789886.7U 2016-07-26 2016-07-26 Powder in advance of built -in selection powder machine stands to grind unites half whole grinding system Active CN205966113U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106040405A (en) * 2016-07-26 2016-10-26 新乡市长城机械有限公司 Pre-grinding vertical mill united semi-finish grinding system with built-in powder concentrator
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
CN110433940A (en) * 2018-05-04 2019-11-12 北新建材(嘉兴)有限公司 A kind of efficient coagulant preparation system and technique
CN115888948A (en) * 2022-11-16 2023-04-04 成武金利宏新能源有限公司 Preparation method of slag micro powder

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106040405A (en) * 2016-07-26 2016-10-26 新乡市长城机械有限公司 Pre-grinding vertical mill united semi-finish grinding system with built-in powder concentrator
CN110433940A (en) * 2018-05-04 2019-11-12 北新建材(嘉兴)有限公司 A kind of efficient coagulant preparation system and technique
CN110433940B (en) * 2018-05-04 2022-02-25 北新建材(嘉兴)有限公司 Efficient coagulant preparation system and process
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
CN115888948A (en) * 2022-11-16 2023-04-04 成武金利宏新能源有限公司 Preparation method of slag micro powder

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