CN106000615A - Hot air circulation powder selecting device with adjustable wind speed - Google Patents

Hot air circulation powder selecting device with adjustable wind speed Download PDF

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Publication number
CN106000615A
CN106000615A CN201610528526.6A CN201610528526A CN106000615A CN 106000615 A CN106000615 A CN 106000615A CN 201610528526 A CN201610528526 A CN 201610528526A CN 106000615 A CN106000615 A CN 106000615A
Authority
CN
China
Prior art keywords
clamping rings
hot air
wind speed
mill
latch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610528526.6A
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Chinese (zh)
Inventor
谢雄
许丽娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUZHOU FENGSHENG NEW MATERIAL Co Ltd
Original Assignee
HUZHOU FENGSHENG NEW MATERIAL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUZHOU FENGSHENG NEW MATERIAL Co Ltd filed Critical HUZHOU FENGSHENG NEW MATERIAL Co Ltd
Priority to CN201610528526.6A priority Critical patent/CN106000615A/en
Publication of CN106000615A publication Critical patent/CN106000615A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/001Air flow directing means positioned on the periphery of the horizontally rotating milling surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/007Mills with rollers pressed against a rotary horizontal disc
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24Passing gas through crushing or disintegrating zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24Passing gas through crushing or disintegrating zone
    • B02C23/26Passing gas through crushing or disintegrating zone characterised by point of gas entry or exit or by gas flow path
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24Passing gas through crushing or disintegrating zone
    • B02C23/30Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24Passing gas through crushing or disintegrating zone
    • B02C23/32Passing gas through crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24Passing gas through crushing or disintegrating zone
    • B02C23/34Passing gas through crushing or disintegrating zone gas being recirculated to crushing or disintegrating zone

Abstract

The invention discloses a hot air circulation powder selecting device with the adjustable wind speed. The device comprises a wind speed adjusting device and a hot air circulating powder selecting device body, wherein the wind speed adjusting device and the hot air circulating powder selecting device body are arranged on an air inlet of a rolling machine; a fixed ring and an adjusting plate are arranged between a grinding disc and the inner wall of the rolling machine, and therefore the wind speed inside the rolling machine is improved, and the device can adapt to different materials with different fineness degrees; and through dust collection of a dust collector, hot air rolls into a hot air pipe again to be circularly utilized through a draught fan, and therefore the utilization rate of heat energy is improved, and meanwhile, the phenomenon that hot air is directly exhausted to affect the surrounding environment can be prevented.

Description

A kind of wind speed adjustable hot air circulation powder selection device
Technical field
The present invention relates to a kind of wind speed adjustable hot air circulation powder selection device.
Background technology
Vertical roll grinder is called for short Vertical Mill, a kind of for cement slurry, clinker, slag and coal Ground-slag mill processing, has simple in construction, a feature that manufacturing cost and use cost is low.Including body, Millstone device and actuating device, be provided with between body and millstone device and determine determining of the centre of gyration Core structure, the bottom of millstone device is fixedly installed circular guideway, and millstone device is led by revolution Rail is rotatable to be supported on body, and millstone device is connected with drive.Owing to transmission fills Putting weight and the contour axial load of pressure of milling being not subject to mill, therefore actuating device can use General reductor, thus there is structure and configure compact, the advantage of reliable operation, can shorten and stop mill Time, reduce the operation and maintenance cost of equipment.
Vertical roll grinder operation principle: motor is rotated by reductor band movable grinding disc, material Falling in mill central authorities from charging aperture through lock feeding device, hot blast enters in mill from air inlet simultaneously. Along with mill rotates, material, under centrifugal action, moves to mill edge, on mill Rolled by grinding roller during cannelure and pulverize, crushing rear material at mill edge by vane high speed gas Stream takes up, and bulky grain falls directly on mill grinding again, and in air-flow, material separates through top During device, under rotor effect, coarse powder falls mill grinding again, qualified fine powder from cone bucket Trip out mill with air-flow one, collected by dust arrester installation, be product, containing moisture material with Thermal current contact process is oven-dried, by regulation hot blast temperature, different humidity material can be met Requirement, reaches required product moisture.By adjusting separator, needed for can reach different product Fineness degree.
Roller mill after carrying out material grinding, need heat blow in powder selection device, and different The different material of fineness degree, needs different size of hot blast to blow process to complete this, if wind-force Excessive, the defective material that some are thicker can be blown in powder selection device, if wind-force is too small, nothing Qualified material is blown in powder selection device by method, and the material obtained after selecting powder needs to pass through dust-precipitator Absorb, after dust-precipitator absorbs, by the hot blast discharged in roller mill also has bigger heat, If this heat is directly discharged in air, not only waste a part of heat energy, also can pollute simultaneously Air, long-time discharge affects the environment of periphery.
Summary of the invention
For the problems referred to above, the invention provides a kind of adjustable hot air circulation of wind speed and select powder to fill Put, thus regulate the wind speed of air inlet according to the different product of different thicknesses degree at any time, in order to more Effectively qualified material is blown in powder selection device, and by the heat after dust-precipitator gathers dust Wind is circulated utilization, thus improves heat utilization rate, prevents heat energy from producing disadvantageous to environment Impact.
The technical solution used in the present invention is:
A kind of wind speed adjustable hot air circulation powder selection device, selects powder including be arranged in roller mill Device, warm-air pipe outside mill bottom roller mill, roller mill top is above powder selection device Hot-blast outlet, described hot-blast outlet and a dust-precipitator be connected, the gas outlet of described dust-precipitator It is connected with warm-air pipe by pipeline, is provided with one between described dust-precipitator and warm-air pipe by heat Wind blows to the blower fan of warm-air pipe from dust-precipitator, in roller mill between mill and roller mill inwall One circle clamping rings, the warm-air pipe of described roller mill is positioned at the lower section of clamping rings, described fixing The outside cambered surface of annulus fits fixing with the inwall of roller mill, the inside arc of described clamping rings Leave gap between the outside cambered surface of face and mill, described clamping rings offers multiple in The vent of circumference uniform distribution, described vent is fixed with the tune being rotationally connected with clamping rings Joint plate.
By arranging clamping rings and adjustable plate between mill and the inwall of roller mill, thus adjust Wind speed in joint roller mill, to adapt to the different material of different thicknesses degree, gathers dust through dust-precipitator After, hot blast again proceeds to warm-air pipe by blower fan and is circulated utilization such that it is able to improve heat energy Utilization rate, be prevented from simultaneously its directly discharge affect surrounding enviroment.
As preferably, described vent body ringwise, the radian of described annular solid is 10-100 °, the shape of described adjustable plate matches with vent, and described adjustable plate is at fixing circle Ring be radially fixed with a rotating shaft, described clamping rings offers a pair with rotating shaft mutually The shaft hole joined, described powder selection device include rotating below cage, and fixing rotation cage with Rotating the inner cone that cage is coaxial, the diameter of one end that described inner cone is thicker is more than rotating the straight of cage Footpath, and the thicker one end of inner cone upward, thinner one end down, the rotation of described rotation cage Axle in the vertical direction.
By vent and the adjustable plate of body ringwise, it is possible to maximally utilise fixing circle Ring so that the draught area of vent maximizes.
As preferably, one end of the inherent regulation plate of described vent is fixed with a pin, described At clamping rings radially, the minimum point of described pin is less than the peak of rotating shaft, institute for pin State clamping rings and have multiple pin hole, described pin hole and a latch in the opened above of rotating shaft Matching, described rotation cage includes upper ring and a lower ring, and supports the upper ring of connection and lower ring Multiple support bars, the middle part of described rotation cage is up/down perforation, and described inner cone is to wait wall thickness Hollow round table, the up/down perforation of described hollow round table, the bottom of described inner cone is coaxially fixed Connect the torus having a up/down perforation.
It is not parallel with clamping rings that the design of pin makes adjustable plate be in heeling condition all the time, this Sample, when hot blast is come in, relies on wind-force, and the adjustable plate part below pin is directed away from gear automatically The direction of bar rotates, and meanwhile, under the stop of latch, adjustable plate is fixed on certain position, So that vent is in certain openings of sizes.
Material is after grinding, and qualified product relies on hot blast to be blown to along the outer wall of inner cone Rotating outside the cambered surface of cage, when rotating cage and rotating, product is through the gap support bar upwards Enter hot-blast outlet, and enter in dust-precipitator, by controlling to rotate the rotating speed of cage, can select The product of different thicknesses degree, rotating speed is the fastest, and the product of selection is the thinnest, and rotating speed is the slowest, selection Product is the thickest.
As preferably, described latch includes latch body, and is fixed on latch body one end Compression spring, one end of described compression spring and latch body are fixing to be connected, the other end towards The end being close with latch body, the length of described latch body is less than clamping rings radially On length, more than vent length diametrically.
Latch uses the structure of latch body and compression spring so that latch can be from vent Middle part is installed, to adapt to be arranged in roller mill.
As preferably, the top of described roller mill is installed with one and drives rotation cage to rotate Rotate cage motor.
Beneficial effect of the present invention has:
By arranging clamping rings and adjustable plate between mill and the inwall of roller mill, thus adjust Wind speed in joint roller mill, to adapt to the different material of different thicknesses degree, gathers dust through dust-precipitator After, hot blast again proceeds to warm-air pipe by blower fan and is circulated utilization such that it is able to improve heat energy Utilization rate, be prevented from simultaneously its directly discharge affect surrounding enviroment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the side structure schematic diagram of Fig. 1;
Fig. 3 is the structural representation of clamping rings;
In figure: 1. roller mill, 2. mill, 3. warm-air pipe, 4. hot-blast outlet, 5. rotate cage, 6. Inner cone, 7. blower, 8. clamping rings, 9. vent, 10. adjustable plate, 11. grinding rollers, 12. cranks, 13. oil hydraulic cylinders, 14. knock-pins, 15. inflow pipelines, 16. nitrogen pipelines, 17. is high Pressure nitrogen capsule group, 18. low pressure nitrogen air bag groups, 19. low pressure oil inlet valves, 20. high pressure oil inlet valves, 21. nitrogen valves, 22. rotating shafts, ring on 23., 24. times rings, 25. support bars, 26. torus, 27. pins, 28. pin holes, 29. latch body, 30. compression springs, 31. rotate cage motor.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing and the present invention is done further retouch in detail State.
Embodiment 1
As shown in Figure 1, 2, 3, a kind of wind speed adjustable hot air circulation powder selection device, including setting Put the powder selection device in roller mill 1, warm-air pipe 3 outside mill 2 bottom roller mill 1, Roller mill 1 top hot-blast outlet 4 above powder selection device, described hot-blast outlet 4 and Dust-precipitator is connected, and the gas outlet of described dust-precipitator is connected with warm-air pipe 3 by pipeline, described The wind that hot blast is blowed to warm-air pipe 3 it is provided with from dust-precipitator between dust-precipitator and warm-air pipe 3 Machine, in roller mill 1 between mill 2 and roller mill 1 inwall one circle clamping rings 8, institute The warm-air pipe 3 stating roller mill 1 is positioned at the lower section of clamping rings 8, outside described clamping rings 8 Side cambered surface fits fixing with the inwall of roller mill 1, the inner side cambered surface of described clamping rings 8 with Leave gap between the outside cambered surface of mill 2, described clamping rings 8 offers multiple in The vent 9 of circumference uniform distribution, described vent 9 is fixed with and rotates even with clamping rings 8 The adjustable plate 10 connect.
Described vent 9 body ringwise, the radian of described annular solid is 10-100 °, described The shape of adjustable plate 10 matches with vent 9, and described adjustable plate 10 is at clamping rings 8 Radially it is fixed with a rotating shaft 22, described clamping rings 8 offers a pair and rotating shaft 22 The shaft hole matched, described powder selection device includes rotating cage 5, and fixing rotation cage Inner cone 6 coaxial with rotating cage 5 below 5, the diameter of one end that described inner cone 6 is thicker More than rotating the diameter of cage 5, and the thicker one end of inner cone 6 upward, thinner one end down, The rotary shaft in the vertical direction of described rotation cage 5.
One end of the described inherent regulation plate of vent 9 10 is fixed with a pin 27, described gear At clamping rings 8 radially, the minimum point of described pin 27 is less than rotating shaft 22 for bar 27 Peak, described clamping rings 8 has multiple pin hole 28, institute in the opened above of rotating shaft 22 The pin hole 28 stated matches with a latch, and described rotation cage 5 includes ring 23 and lower ring 24, and support the multiple support bars 25 connecting upper ring 23 with lower ring 24, described rotation cage 5 Middle part be up/down perforation, described inner cone 6 be wait wall thickness hollow round table, described hollow The up/down perforation of round platform, the bottom of described inner cone 6 has been fixedly and coaxially connected a up/down perforation Torus 26.
Described latch includes latch body 29, and is fixed on the pressure of latch body 29 one end Contracting spring 30, one end of described compression spring 30 is fixing with latch body 29 to be connected, another End is towards the end being close with latch body 29, and the length of described latch body 29 is less than solid Determine annulus 8 length diametrically, more than vent 9 length diametrically.
The top of described roller mill 1 is installed with one and drives the rotation cage rotating cage 5 rotation Motor 31.
Embodiment 2
As shown in Figure 1, 2, 3, the adjustable hot blast of grinding roller pressure that a kind of back-blowing seals follows Ring roll mill apparatus, it is characterised in that include the powder selection device being arranged in roller mill 1, roller mill Warm-air pipe 3 outside mill 2 bottom machine 1, roller mill 1 top is above powder selection device Hot-blast outlet 4, described hot-blast outlet 4 is connected with a dust-precipitator, giving vent to anger of described dust-precipitator Mouth is connected with warm-air pipe 3 by pipeline, is provided with one between described dust-precipitator and warm-air pipe 3 The individual blower fan that hot blast blows to warm-air pipe 3 from dust-precipitator, described powder selection device includes rotating cage Inner cone 6 coaxial with rotating cage 5 below 5, and fixing rotation cage 5, described inner cone The diameter of one end that body 6 is thicker is more than the diameter of rotation cage 5, and one end that inner cone 6 is thicker Upward, thinner one end down, the rotary shaft in the vertical direction of described rotation cage 5, described In the roller mill 1 interstitial site between top outer and the inwall of roller mill 1 rotating cage 5 Be fixed with a circle blower 7, the blowing mouth of described blower 7 down, described blower 7 Air inlet and an air pump are connected, setting between mill 2 and roller mill 1 inwall in roller mill 1 Being equipped with a circle clamping rings 8, the warm-air pipe 4 of described roller mill 1 is positioned at clamping rings 8 times Side, the outside cambered surface of described clamping rings 8 fits fixing with the inwall of roller mill 1, described Leaving gap between inner side cambered surface and the outside cambered surface of mill 2 of clamping rings 8, described consolidates Determine on annulus 8, to offer the most uniform multiple vent 9, solid on described vent 9 Surely there is the adjustable plate 10 being rotationally connected with clamping rings 8;Also include grinding roller 11 and drive The crank 12 that dynamic grinding roller 11 rotates, described crank 12 is relative to the other end of grinding roller 11 Being connected with the knock-pin 14 of oil hydraulic cylinder 13 front end, described oil hydraulic cylinder 13 is entered by two Oil-piping 15 gas outlet with two groups of nitrogen capsules respectively is connected, going out of described two groups of nitrogen capsules QI KOU is connected by nitrogen pipeline 16, and two groups of described nitrogen capsules are the high pressure that pressure is different Nitrogen capsule group 17 and low pressure nitrogen air bag group 18, described be connected with elevated pressure nitrogen air bag group 17 A high pressure oil inlet valve 20, described and low pressure nitrogen air bag group 18 it is in series with on inflow pipeline 15 A low pressure oil inlet valve 19, described nitrogen tube it is in series with on the inflow pipeline 15 being connected Road 16 is in series with a nitrogen valve 21.
Described vent 9 body ringwise, the radian of described annular solid is 10-100 °, described The shape of adjustable plate 10 matches with vent 9, and described adjustable plate 10 is at clamping rings 8 Radially it is fixed with a rotating shaft 22, described clamping rings 8 offers a pair and rotating shaft 22 The shaft hole matched, described blowing mouth is to be distributed on the circle blowing bottom blower 7 Eye, the diameter of described blowing eye is not more than between rotation cage 5 top outer and roller mill 1 inwall Spacing, described elevated pressure nitrogen air bag group 17 includes the high pressure nitrogen that two gas outlets are connected Capsule, described low pressure nitrogen air bag group 18 includes the low pressure nitrogen air bag that two gas outlets are connected.
Described rotation cage 5 includes ring 23 and lower ring 24, and supports the upper ring 23 of connection With multiple support bars 25 of lower ring 24, the middle part of described rotation cage 5 is up/down perforation, described Inner cone 6 be wait wall thickness hollow round table, the up/down perforation of described hollow round table, described in The bottom of cone 6 is fixedly and coaxially connected the torus 26 of a up/down perforation, and described is logical One end of the inherent regulation plate in air port 9 10 is fixed with a pin 27, and described pin 27 is fixing Radially, the minimum point of described pin 27 is less than the peak of rotating shaft 22, described for annulus 8 Clamping rings 8 has multiple pin hole 28, described pin hole 28 in the opened above of rotating shaft 22 Matching with a latch, described elevated pressure nitrogen air bag and the gas outlet of low pressure nitrogen air bag are the most down.
Described latch includes latch body 29, and is fixed on the pressure of latch body 29 one end Contracting spring 30, one end of described compression spring 30 is fixing with latch body 29 to be connected, another End is towards the end being close with latch body 29, and the length of described latch body 29 is less than solid Determine annulus 8 length diametrically, more than vent 9 length diametrically, described blows Airduct 7 is positioned at the top of ring 23, and the inwall of described blower 7 and roller mill 1 is fixed Together, between the external diameter of described blower 7 is more than between upper ring 23 and roller mill 1 inwall Away from, the top of described roller mill 1 is installed with one and drives the rotation cage rotating cage 5 rotation Motor 31.

Claims (5)

1. a wind speed adjustable hot air circulation powder selection device, it is characterised in that include being arranged on roller Powder selection device in grinding machine (1), roller mill (1) bottom heat in mill (2) outside Airduct (3), roller mill (1) top hot-blast outlet (4) above powder selection device, Described hot-blast outlet (4) is connected with a dust-precipitator, and the gas outlet of described dust-precipitator is passed through Pipeline is connected with warm-air pipe (3), arranges between described dust-precipitator and warm-air pipe (3) There is a blower fan that hot blast is blowed to warm-air pipe (3) from dust-precipitator, in roller mill (1) Circle clamping rings (8) between interior mill (2) and roller mill (1) inwall, described The warm-air pipe (3) of roller mill (1) is positioned at the lower section of clamping rings (8), described fixing The outside cambered surface of annulus (8) fits fixing with the inwall of roller mill (1), described solid Determine to leave gap between the inner side cambered surface of annulus (8) and the outside cambered surface of mill (2), The most uniform multiple vent (9) is offered on described clamping rings (8), The adjustable plate being rotationally connected with clamping rings (8) it is fixed with on described vent (9) (10)。
A kind of wind speed adjustable hot air circulation powder selection device the most according to claim 1, it is special Levying and be, described vent (9) body ringwise, the radian of described annular solid is 10-100 °, the shape of described adjustable plate (10) matches with vent (9), described Adjustable plate (10) is radially fixed with a rotating shaft (22), institute at clamping rings (8) The shaft hole matched with rotating shaft (22) is offered a pair on the clamping rings (8) stated, Described powder selection device includes rotating cage (5), and fixing rotation cage (5) lower section The inner cone (6) coaxial with rotating cage (5), one end that described inner cone (6) is thicker Diameter more than rotating the diameter of cage (5), and the thicker one end of inner cone (6) upward, Thinner one end down, the rotary shaft in the vertical direction of described rotation cage (5).
A kind of wind speed adjustable hot air circulation powder selection device the most according to claim 2, it is special Levying and be, one end of described vent (9) inherent regulation plate (10) is fixed with a gear Bar (27), described pin (27) at clamping rings (8) radially, described pin (27) minimum point is less than the peak of rotating shaft (22), and described clamping rings (8) exists The opened above of rotating shaft (22) has multiple pin hole (28), described pin hole (28) Matching with a latch, described rotation cage (5) includes ring (23) and lower ring (24), And support the multiple support bars (25) connecting upper ring (23) with lower ring (24), institute The middle part stating rotation cage (5) is up/down perforation, and described inner cone (6) is for waiting wall thickness Hollow round table, the up/down perforation of described hollow round table, the bottom of described inner cone (6) It is fixedly and coaxially connected the torus (26) of a up/down perforation.
A kind of wind speed adjustable hot air circulation powder selection device the most according to claim 3, it is special Levying and be, described latch includes latch body (29), and is fixed on latch body (29) compression spring (30) of one end, one end of described compression spring (30) is with slotting Pin body (29) is fixing connects, and the other end is close towards with latch body (29) End, the length of described latch body (29) is less than clamping rings (8) diametrically Length, more than vent (9) length diametrically.
A kind of wind speed adjustable hot air circulation powder selection device the most according to claim 4, it is special Levying and be, the top of described roller mill (1) is installed with one and drives rotation cage (5) Rotation cage motor (31) rotated.
CN201610528526.6A 2016-06-30 2016-06-30 Hot air circulation powder selecting device with adjustable wind speed Pending CN106000615A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610528526.6A CN106000615A (en) 2016-06-30 2016-06-30 Hot air circulation powder selecting device with adjustable wind speed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610528526.6A CN106000615A (en) 2016-06-30 2016-06-30 Hot air circulation powder selecting device with adjustable wind speed

Publications (1)

Publication Number Publication Date
CN106000615A true CN106000615A (en) 2016-10-12

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Family Applications (1)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4653699A (en) * 1984-02-04 1987-03-31 Evt Engergie-Und Verfahrensteckhnik Gmbh Coal-mill classifier
CN102123798A (en) * 2008-08-12 2011-07-13 勒舍有限公司 Process for sifting a mixture of a milled material and a fluid, and mill sifter
CN102430453A (en) * 2010-09-29 2012-05-02 莱歇研磨机械制造(上海)有限公司 Polygonal adjustable air ring for roll mill
CN103381387A (en) * 2012-05-02 2013-11-06 阿尔斯通技术有限公司 Adjustable mill classifier
CN103406186A (en) * 2013-08-09 2013-11-27 成都建筑材料工业设计研究院有限公司 Technology and device for baking and grinding high-moisture chalk through vertical mill
CN103639018A (en) * 2013-12-17 2014-03-19 临沂市博信机械有限公司 Self-adaptive vibration accumulation and energy supply high-efficiency vertical roller mill
CN206008967U (en) * 2016-06-30 2017-03-15 湖州丰盛新材料有限公司 A kind of adjustable hot air circulation powder selection device of wind speed

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4653699A (en) * 1984-02-04 1987-03-31 Evt Engergie-Und Verfahrensteckhnik Gmbh Coal-mill classifier
CN102123798A (en) * 2008-08-12 2011-07-13 勒舍有限公司 Process for sifting a mixture of a milled material and a fluid, and mill sifter
CN102430453A (en) * 2010-09-29 2012-05-02 莱歇研磨机械制造(上海)有限公司 Polygonal adjustable air ring for roll mill
CN103381387A (en) * 2012-05-02 2013-11-06 阿尔斯通技术有限公司 Adjustable mill classifier
CN103406186A (en) * 2013-08-09 2013-11-27 成都建筑材料工业设计研究院有限公司 Technology and device for baking and grinding high-moisture chalk through vertical mill
CN103639018A (en) * 2013-12-17 2014-03-19 临沂市博信机械有限公司 Self-adaptive vibration accumulation and energy supply high-efficiency vertical roller mill
CN206008967U (en) * 2016-06-30 2017-03-15 湖州丰盛新材料有限公司 A kind of adjustable hot air circulation powder selection device of wind speed

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Application publication date: 20161012