CN205966026U - Whitewashed roll -type is ground in advance with automatic selection powder function - Google Patents
Whitewashed roll -type is ground in advance with automatic selection powder function Download PDFInfo
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- CN205966026U CN205966026U CN201620789864.0U CN201620789864U CN205966026U CN 205966026 U CN205966026 U CN 205966026U CN 201620789864 U CN201620789864 U CN 201620789864U CN 205966026 U CN205966026 U CN 205966026U
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Abstract
The utility model discloses a whitewashed roll -type is ground in advance with automatic selection powder function, through -put unloading chute is fallen in the middle of the mill, the process the back is distinguished in rolling of mill and grinding roller, on the marginal striker plate of through -put mill spills under the centrifugal force effect and falls the wind ring, and the follow wind that the air -supply line got into will be fallen dust particle on the wind ring from bottom to top and break up to blow afloat and bring selection powder device into, and the coarse grain that the particle diameter is greater than 0.3mm falls in the wind channel, scrape to discharge opening discharge mill through scraping the flitch, selection powder device directly is picked out particle diameter <= qualified farine of 50 mu m and regard as the finished product, particle diameter under the whitewashed device of selection selects 50 mu m~0.3mm than the coarse grain through interior awl fill unloading chute discharge mill, and then get into whole flour mill grinding. The utility model discloses can be in grinding filtering the material of different granules, not needing extra selection powder equipment, simplifying processing reduces maintenance cost, compares the roll squeezer and makes production line reduction specific power consumption 15~more than 20%.
Description
Technical field：
The utility model is related to milling equipment in the industries such as a kind of cement building material, coal, iron and steel, thermal power generation, particularly
Be related to a kind of with the pre- powder roller mill automatically selecting powder function.
Background technology：
At present, in various milling production lines generally using roll squeezer as pre- grinding, Comparatively speaking use 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
Structure is compact, capacity usage ratio is high and maintenance cost is low with the pre- powder roller mill automatically selecting powder function.
The technical solution of the utility model is：
A kind of with the pre- powder roller mill automatically selecting powder function, including base, mill transmission device, grinding machine shell, grinding roller
And charger, the inner chamber bottom of described grinding machine shell is provided with mill, and the upper surface edge of described mill is provided with backgauge
Plate, described mill surrounding is provided with air channel, and described air channel is provided with blast pipe, and the upper end in described air channel is provided with vane, institute
The top stating grinding machine shell is provided with feeding chute, and the upper end of described grinding machine shell is provided with powder selection device, described powder selection device
Including selecting powder housing and select powder transmission device, in the described inner chamber selecting powder housing, it is provided with guider, described select powder transmission dress
The line shaft put is connected with rotor, and the described lower end selecting powder shell is provided with interior cone bucket, in the lower end of described interior cone bucket is provided with
Cone bucket feeding chute, material is fallen in the middle of described mill by described feeding chute, and material is equal in the presence of mill centrifugal force
Even to described striker plate side shifting, material through described mill and grinding roller roll area after, material passes through the backgauge at mill edge
Plate scatters on vane under the action of the centrifugal force, and the wind entering from described blast pipe will fall the dust vane from bottom to top
Grain is broken up to blow afloat and is brought described powder selection device into, and the coarse granule that particle diameter is more than 0.3mm drops down onto in air channel, scrapes to discharge port through material scraping plate
Discharge grinding machine, the qualified fine powder of particle diameter≤50 μm is directly selected as finished product, the grain under powder selection device choosing by described powder selection device
Footpath falls in the interior cone bucket below rotor in the relatively coarse granule of 50 μm～0.3mm, then discharges grinding machine by interior cone bucket feeding chute,
Then enter back into 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.
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 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 with the pre- powder roller mill automatically selecting powder function.
Specific embodiment：
Embodiment：Referring to Fig. 1, 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 transmission device；12- guides
Device（Also known as：Stator blade）；13- rotor；14- selects powder housing；Cone bucket in 15-；Cone bucket feeding chute in 16-；17- grinding roller；18-
Rocking arm；19- support；20- charger；21- turns over roller arrangement.
Carrying selects the pre- powder roller mill of powder function to include base 1, mill transmission device 2, grinding machine shell 9, grinding roller 17 automatically
With charger 20, the inner chamber bottom of grinding machine shell 9 is provided with mill 8, and the upper surface edge of mill 8 is provided with striker plate 7,
Mill 8 surrounding is provided with air channel 5, and air channel 5 is provided with blast pipe 4, and the upper end in air channel 5 is provided with vane 6, grinding machine shell 9
Top 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 select powder transmission device 11, it is provided with guider 12 in the inner chamber selecting powder housing 14, select the line shaft of powder transmission device 11
It is connected with rotor 13, select the lower end of powder shell 14 to be provided with interior cone bucket 15, the lower end of interior cone bucket 15 is provided with interior cone bucket blanking chute
Groove 16, material is fallen in the middle of mill 8 by feeding chute 10, and material is in the presence of mill 8 centrifugal force uniformly to striker plate 7 side
Mobile, material through mill 8 and grinding roller 17 roll area after, material passes through the striker plate 7 at mill 8 edge under the action of the centrifugal force
Scatter on vane 6, the dust granules fallen vane 6 are broken up to blow afloat to carry and are selected in by wind from bottom to top that enter from blast pipe 4
Powder device, the coarse granule that particle diameter is more than 0.3mm drops down onto in air channel 5, scrapes through material scraping plate and discharges grinding machine to discharge port, and by following outward
Ring elevator is again introduced into grinding machine and carries out grinding；Powder selection device directly selects the qualified fine powder of particle diameter≤50 μm as finished product,
Particle diameter under powder selection device choosing is in the interior cone bucket 15 that the relatively coarse granule of 50 μm～0.3mm falls into below rotor 13, then passes through interior
Cone bucket feeding chute 16 discharges grinding 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.Powder selection device is through pipeline even
Connect dust-precipitator, collect finished product, dust-precipitator is through pipeline connecting fan.The heat producing in grinding makes gas be changed into hot gas, through receiving
After dirt device filters, a part of hot gas is again introduced into grinding machine and recycles with material drying, and a part, by arranging outside chimney, is saved
Energy consumption.
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 in mill, the material of variable grain can be screened it is not necessary to extra selects powder equipment, letter
Metallization processes, reduce maintenance cost, make production line reduce specific energy consumption more than 15～20% for comparing roll squeezer.And simplify work
Skill, makes production line compacter, reduces the power consumption of whole production line simultaneously, saves labour, improve production efficiency.
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 (7)
1. a kind of with the pre- powder roller mill automatically selecting powder function, including base, mill transmission device, grinding machine shell, grinding roller and
Charger, the inner chamber bottom of described grinding machine shell is provided with mill, and the upper surface edge of described mill is provided with striker plate,
Described mill surrounding is provided with air channel, and described air channel is provided with blast pipe, and the upper end in described air channel is provided with vane, described mill
The top of casing body is provided with feeding chute, it is characterized in that：The upper end of described grinding machine shell is provided with powder selection device, described selects powder
Device includes selecting powder housing and selects powder transmission device, is provided with guider in the described inner chamber selecting powder housing, described selects powder to pass
The line shaft of dynamic device is connected with rotor, and the described lower end selecting powder shell is provided with interior cone bucket, the lower end setting of described interior cone bucket
There is interior cone bucket feeding chute, material is fallen in the middle of described mill by described feeding chute, and material is in the effect of mill centrifugal force
Lower uniformly to described striker plate side shifting, material through described mill and grinding roller roll area after, material passes through mill edge
Striker plate scatters on vane under the action of the centrifugal force, and the wind entering from described blast pipe will fall the powder vane from bottom to top
Dirt particle is broken up to blow afloat and is brought described powder selection device into, and the coarse granule that particle diameter is more than 0.3mm drops down onto in air channel, scrapes to unloading through material scraping plate
Material mouth discharges grinding machine, and the qualified fine powder of particle diameter≤50 μm is directly selected as finished product by described powder selection device, under powder selection device choosing
Particle diameter in the interior cone bucket that the relatively coarse granule of 50 μm～0.3mm falls into below rotor, then by interior cone bucket feeding chute discharge
Grinding machine, then enters back into pulverizing mill grinding.
2. according to claim 1 with the pre- powder roller mill automatically selecting powder function, it is characterized in that：Described interior cone bucket blanking
Blast pipe feeding chute at chute and described blast pipe is all with air valve, and, described feeding chute top is connected with back
Turn blanking device it is ensured that grinding machine inner chamber is sealing space.
3. according to claim 1 with the pre- powder roller mill automatically selecting powder function, it is characterized in that：Described striker plate is height
Degree adjustable structure, its height adjustable scope is 190～300mm, and the steel plate of described vane has hole, and hot blast passes through described wind
The material scattering of top will be fallen in hole on the steel plate of ring.
4. according to claim 1 with the pre- powder roller mill automatically selecting powder function, it is characterized in that：Described interior cone bucket blanking
Chute and angle of inclination >=45 ° of horizontal direction；Described feeding chute and angle of inclination >=50 ° of horizontal direction, described grinding roller
Shaft centre line and horizontal direction angle be 10 °～20 °, the central diameter of described grinding roller and the effective diameter of mill than for 0.5～
0.9.
5. according to claim 1 with the pre- powder roller mill automatically selecting powder function, it is characterized in that：Described select powder transmission dress
Put including motor and speed reducer, described motor is variable-frequency motor, can change the rotating speed of described rotor, and then obtain different fineness
Finished product.
6. according to claim 1 with the pre- powder roller mill automatically selecting powder function, it is characterized in that：Described blast pipe has two
Both sides that are individual and being distributed on grinding machine, hot blast is passed through from grinding machine both sides, makes grinding machine internal gas pressure more stable, one of described air intake
The lower section of pipe is provided with blast pipe feeding chute.
7. according to claim 1 with the pre- powder roller mill automatically selecting powder function, it is characterized in that：Described grinding roller is circular cone
Shape, described mill is flat shape, and described grinding roller can be around rocker arm shaft center in grinding machine in the presence of turning over roller arrangement
Rout up outside grinding machine, make described grinding roller center perpendicular to horizontal direction, convenient maintain, described rocking arm at least with charger in
Load cylinder connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620789864.0U CN205966026U (en) | 2016-07-26 | 2016-07-26 | Whitewashed roll -type is ground in advance with automatic selection powder function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620789864.0U CN205966026U (en) | 2016-07-26 | 2016-07-26 | Whitewashed roll -type is ground in advance with automatic selection powder function |
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| Publication Number | Publication Date |
|---|---|
| CN205966026U true CN205966026U (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620789864.0U Active CN205966026U (en) | 2016-07-26 | 2016-07-26 | Whitewashed roll -type is ground in advance with automatic selection powder function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216029A (en) * | 2016-07-26 | 2016-12-14 | 新乡市长城机械有限公司 | Automatically powder method is selected with the pre-powder roller mill and pre-powder roller mill automatically selecting powder |
| CN109046612A (en) * | 2018-08-23 | 2018-12-21 | 南京中材粉体工程科技有限公司 | A kind of Vertical Mill coarse powder pre-separate device |
| CN110545919A (en) * | 2017-03-13 | 2019-12-06 | 通用电气技术有限公司 | system and method for adjusting material bed depth in a pulverizer mill |
-
2016
- 2016-07-26 CN CN201620789864.0U patent/CN205966026U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106216029A (en) * | 2016-07-26 | 2016-12-14 | 新乡市长城机械有限公司 | Automatically powder method is selected with the pre-powder roller mill and pre-powder roller mill automatically selecting powder |
| CN110545919A (en) * | 2017-03-13 | 2019-12-06 | 通用电气技术有限公司 | system and method for adjusting material bed depth in a pulverizer mill |
| CN110545919B (en) * | 2017-03-13 | 2023-02-21 | 通用电气技术有限公司 | System and method for adjusting material bed depth in a pulverizer mill |
| CN109046612A (en) * | 2018-08-23 | 2018-12-21 | 南京中材粉体工程科技有限公司 | A kind of Vertical Mill coarse powder pre-separate device |
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