CN105057123B - A kind of tower skirt formula dry material grader - Google Patents
A kind of tower skirt formula dry material grader Download PDFInfo
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- CN105057123B CN105057123B CN201510445088.2A CN201510445088A CN105057123B CN 105057123 B CN105057123 B CN 105057123B CN 201510445088 A CN201510445088 A CN 201510445088A CN 105057123 B CN105057123 B CN 105057123B
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- conical shell
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Abstract
The present invention relates to a kind of tower skirt formula dry material grader.The classification mechanism constituted including the drive mechanism being made up of motor and speed reducer, deployed to ensure effective monitoring and control of illegal activities with mechanism that spreading disk part is constituted, by multilayer conical material by transmission main shaft plate and corresponding multilayer wind deflector;The equally distributed spout in shell body top;Shell body even circumferential arranges configuration air quantity and the adjustable regulating valve of wind direction on the outside of two or four tangent air inlet, air inlet;Exhaust passage is arranged at the top of equipment;Coarse powder outlet is arranged on bottom.The present invention has upper transmission, top feeding, forces to shed, the characteristics of tower skirt formula cloth, pneumatic separating, top air-out, bottom coarse powder discharge, and summarizes the advantage of scattering grader and V-type powder concentrator;Realize material dispersion uniform;Classification efficiency is high, good separation effect;Position easy to wear is easily protected, and the consumable accessory replacement cycle is long, and repair and replacement are convenient;Floor space is small, installation site is flexible, to the strong applicability of technique;Simple to operate, saving energy consumption.
Description
Technical field
The invention belongs to the sorting technology field of the dry material of the industries such as chemical industry, building materials, mine, pharmacy, rare metal,
The specifically related to classifying equipoment of cement industry unit or polynary component dry material.
Background technology
Cement grinding technology passes through the fast development of more than 20 years, and grinding process develops into the present by the pre- grinding process of early stage
It is based on combination grinding and semi-finish grinding process.Current domestic roller press grinding system raw material and cement grinding application
Through tending to be ripe, roll squeezer raw material final grinding system and the finished cement joint constituted using roll squeezer, ball mill as capital equipment
Grinding process, semi-finish grinding process system will represent the development of grinding system within today and quite a long time later
Direction, is seized of important position.
At present, the technique that roller press grinding system is typically taken in cement slurry grinding is:
1. the open-circuit grinding system that roll squeezer+V-type powder concentrator or dynamic V-type powder concentrator+dust-precipitator are constituted;
2. the open-circuit grinding system that roll squeezer+V-type powder concentrator+high-efficient powder concentrator+dust-precipitator is constituted.
The technique that roller press grinding system is typically taken in finished cement grinding is:
1. the opening a way of roll squeezer+V-type powder concentrator or scattering grader+ball mill composition, closed circuit Joint grinding system or half
Final grinding system;
2. the opening a way of roll squeezer+V-type powder concentrator+dynamic high-efficiency powder concentrator+ball mill composition, closed circuit Joint grinding system or
Half final grinding system.
Above-mentioned technique is the prevailing technology of current roller press grinding system, but there is also defect in each system.Break up
There is serious wear in grader, vulnerable part changes frequently shortcoming, and scattering grader is beaten in the application of large-scale roller press system
The replacing for dissipating disk and classification mechanism is typically less than 1 year, few to be accomplished by changing in half a year;And apply and deposited in V-type powder concentrator system
In material skewness, grinding efficiency is generally lower than 50% shortcoming.
The content of the invention
In order to optimize grinding process, reduction system energy consumption, save producing cost, the present invention provides a kind of tower skirt formula dry powder thing
Expect grader, substitute the grader of function like device in traditional grinding process system, to adapt to manufacture of cement resource comprehensive profit
With with energy-saving development trend.
Specific technical solution is as follows:
A kind of tower skirt formula dry material grader include be made up of motor and speed reducer drive mechanism, by transmission main shaft 10
The spreading mechanism that is constituted with spreading liner plate 8 and by conical shell 2, more than three layers of material distribution grid 3 and corresponding more than three layers
Wind deflector 5 constitute classification mechanism;The conical shell 2 is the open inverted cone in top seal bottom, the centre at top
For exhaust passage 14, more than two spouts 9 are laid with the top of the periphery of exhaust passage 14;Described more than three layers of material distribution
Plate 3 and corresponding more than three layers of wind deflector 5 are from top to bottom fixed in conical shell 2 successively, conical shell 2 it is cylindrical
More than two blast pipes 17 are laid with week;The spreading mechanism is located at the top in conical shell 2;The drive mechanism
Outside positioned at the top of conical shell 2, and the output end of drive mechanism is connected to the transmission main shaft of spreading mechanism;Conical shell 2
Bottom open-mouth be connected to bucket-shaped discharging opening 1.
The material distribution grid 3 is conial ring shape, the distribution fixed plate 4 that every layer of material distribution grid 3 passes through uniform strip
It is fixedly connected the inwall of conical shell 2;The wind deflector 5 is conial ring shape, between neighbouring wind deflector 5 by four with
The wind-guiding fixed plate 6 of upper strip is fixedly connected, and the side of every wind-guiding fixed plate 6 is supported on the circumferential edge of material distribution grid 3
At edge, more than three layers of wind deflector 5 is constituted a pineal cone suspension and be fixed in conical shell 2;One block of material
Distribution grid 3 and corresponding one piece of wind deflector 5 formation inverted eight like state.
The top of conical shell 2 is laid with four spouts 9.
The spreading liner plate 8 is annular shape, and the inner periphery of spreading liner plate 8 is fixedly connected described by uniform spoke bar
The bottom of transmission main shaft 10, the top of transmission main shaft 10 is connected to the output of the reductor of the drive mechanism by shaft coupling
Axle;Spout 9 more than described two is located on the same circumference at the top of conical shell 2, and spreading liner plate 8 is located at more than two
The underface of spout 9.
Four blast pipes along the whole tangential air intake of cone bus are laid with the excircle of the conical shell 2
17, blast pipe 17 is provided with air quantity and the adjustable regulating valve of wind direction.
The regulating valve is louver valve.
The top of the excircle of the conical shell 2 is laid with four bearings 16, and the bearing 16 is in ladder shape.
The uniform beating lining plate 7 for being installed by welding with arc on the inwall of conical shell 2 corresponding with the circumference of spreading liner plate 8.
The beating lining plate 7, the material of spreading liner plate 8 are metal wear resistant material.
The metal material that the material distribution grid 3, the material of wind deflector 5 are handled for metal wear resistant material or by surface abrasion resistance
Material.
The advantageous effects of the present invention embody in the following areas:
1. the present invention absorbs the advantage of V-type powder concentrator, scattering grader, dynamic powder concentrator, using force to shed material,
The structure of pneumatic separating, make material as far as possible before classification disperse, abandon scattering grader break up disk it is small, processing inventory
Greatly, the shortcoming of serious wear, makes material dispersion evenly.V-type powder concentrator plane air intake is changed to circumferential cut by air classification structure
To air intake, increase selects powder product, material distribution is more uniformly dispersed;The characteristics of making full use of sorting, become through type selection by winnowing into
Helix wind is sorted, and powder effect is selected in increase, and grinding efficiency reaches more than 70%.
2. the position beating lining plate 7 easy to wear of the present invention, spreading liner plate 8, material distribution grid 3, wind deflector 5, can be multiple resistance to
Mill protection is done together, and vulnerable part replacement cycle length was up to more than 2 years, and repair and replacement are convenient.
3. the present invention uses negative-pressure operation, environmental protection is without airborne dust point, and production environment is friendly.
4. present apparatus floor space is small, installation site flexible, to the strong applicability of technique;It is simple to operate, save energy consumption, right
Material wide adaptability.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is Fig. 1 sectional plan views.
Fig. 3 is the top view that Fig. 2 removes transmission device.
Fig. 4 is Fig. 2 A-A sectional views.
Fig. 5 is Fig. 2 B-B sectional views.
Sequence number in upper figure:Feed opening 1, cone shell 2, material distribution grid 3, distribution fixed plate 4, wind deflector 5, wind-guiding fixed plate
6th, beating lining plate 7, spreading liner plate 8, spout 9, drive shaft system 10, transmission device support 11, transmission device 12, shaft coupling 13,
Exhaust passage 14, spreading disk 15, bearing 16, air inlet 17, regulating valve 18.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is further described by embodiment.
Embodiment
Referring to Fig. 1 and Fig. 2, a kind of tower skirt formula dry material grader includes the driving machine being made up of motor and speed reducer
Structure, the spreading mechanism being made up of transmission main shaft 10 and spreading liner plate 8 and by conical shell 2, five layers of material distribution grid 3 and corresponding
The classification mechanism that five layers of wind deflector 5 is constituted.
Conical shell 2 is the open inverted cone in top seal bottom, and drive mechanism is located at the outer of the top of conical shell 2
Side.Referring to Fig. 3, the centre at the top of conical shell 2 is to be laid with four feedings at the top of exhaust passage 14, the periphery of exhaust passage 14
Mouth 9, four spouts 9 are located on same circumference.Five layers of material distribution grid 3 of classification mechanism and corresponding five layers of wind deflector 5 exist
In conical shell 2, material distribution grid 3 is conial ring shape, and five layers of material distribution grid 3 from top to bottom fix welded and installed in cone successively
In shape housing 2, every layer of material distribution grid 3 is fixedly connected in conical shell 2 by the distribution fixed plate 4 of uniform strip
Wall;Wind deflector 5 is to be fixedly connected between conial ring shape, neighbouring wind deflector 5 by the wind-guiding fixed plate 6 of six roots of sensation strip, and
The side of every wind-guiding fixed plate 6 is supported at the circumferential edges of material distribution grid 3, five layers of wind deflector 5 is constituted pine
The cone suspension of fruit shape is fixed in conical shell 2;One piece of material distribution grid 3 and corresponding one piece of wind deflector 5 formation fall eight
Word state.The bottom open-mouth of conical shell 2 below classification mechanism is welded to connect bucket-shaped discharging opening 1.
Uniformly four are provided with referring to Fig. 1 and Fig. 5, on the excircle of conical shell 2 along whole cone bus tangentially to enter
The regulating valve 18 of adjustable air volume and wind direction is installed, regulating valve 18 is louver valve on the blast pipe 17 of wind, blast pipe 17.
Referring to Fig. 1 and Fig. 2, spreading mechanism is located at the top in conical shell 2.Spreading liner plate 8 is annular shape, spreading liner plate
8 inner periphery is fixedly connected the bottom of transmission main shaft 10 by uniform spoke bar, and the top of transmission main shaft 10 passes through shaft coupling
Device is connected to the output shaft of the reductor of drive mechanism.Spreading liner plate 8 is located at the underface of four spouts 9.
The uniform beating lining plate 7 for being installed by welding with arc on the inwall of conical shell 2 corresponding with the circumference of spreading liner plate 8,
The material of beating lining plate 7 is metal wear resistant material.Material distribution grid 3, the material of wind deflector 5 are metal wear resistant material.Spreading is served as a contrast
Plate 8, beating lining plate 7, distribution grid 3, wind deflector 5 are vulnerable part, the service life of vulnerable part of the present invention up to 2 years with
On.
Referring to Fig. 1 and Fig. 4, the top of the excircle of conical shell 2 is uniformly provided with four bearings 16, and bearing 16 is in ladder
Shape;On the one hand play a part of to increase Area of bearing, be on the other hand easy to operate the operation up and down of maintainer.
The operation principle of the present invention is described as follows:
Material enters classification mechanism through four spouts 9, in the case where the spreading liner plate Final 8 system of rotation is shed, tangential force, from
Under mental and physical efforts and the collective effect of gravity, beating lining plate 7 is hit with parabolic path, under gravity and the guiding function of beating lining plate 7,
Freely it drop on the material distribution grid 3 circumferentially arranged at a certain angle, change vertical landing direction uniformly drops down onto air-flow and led to
In road, material is cleaned first;Wrapped folder fine grain material stream and continued to drop on next layer of material distribution grid 3,
Uniformly dropped down onto after changing direction in second-order gas channel, carrying out second to material cleans, the like, i.e., material is often down to
During next layer of material distribution grid 3, a gas channel is put into, dust-laden material is once cleaned, until material is down to
Discharging opening 1 completes the sorting of large or fine granule;Fine lighter particle along wind deflector 5 enters grader because of airflow function in material
The exhaust passage 14 of finished product, forms vortex spiral power, to the material of the fine lighter particle of entrance in the exhaust passage 14 of finished product
Further sorting, wherein larger particles are met with lower stream of airflow, sieved repeatedly because of centrifugal force and the decline of gravity collective effect
Choosing, the discharging opening 1 of the coarse powder of bottom is finally dropped down onto compared with coarse granule, and fine lighter particle enters the conduct of exhaust passage 14 with air-flow
Grader finished product enters collecting device.
Claims (9)
1. a kind of tower skirt formula dry material grader, it is characterised in that:Including be made up of motor and speed reducer drive mechanism, by
Transmission main shaft(10)With spreading liner plate(8)The spreading mechanism of composition and by conical shell(2), more than three layers of material distribution grid
(3)With corresponding more than three layers of wind deflector(5)The classification mechanism of composition;The material distribution grid(3)For conial ring shape, every layer
Material distribution grid(3)Pass through the distribution fixed plate of uniform strip(4)It is fixedly connected conical shell(2)Inwall;It is described to lead
Aerofoil(5)For conial ring shape, neighbouring wind deflector(5)Between by more than four strips wind-guiding fixed plate(6)It is fixed to connect
Connect, and every wind-guiding fixed plate(6)Side be supported on material distribution grid(3)Circumferential edges at, make more than three layers of wind-guiding
Plate(5)Constitute a pineal cone suspension and be fixed on conical shell(2)It is interior;One piece of material distribution grid(3)With it is corresponding
One piece of wind deflector(5)Form inverted eight like state;The conical shell(2)For the inverted cone that top seal bottom is open, top
Centre be exhaust passage(14), exhaust passage(14)More than two spouts are laid with the top of periphery(9);Described three layers with
On material distribution grid(3)With corresponding more than three layers of wind deflector(5)From top to bottom it is fixed at successively in conical shell(2)
It is interior, conical shell(2)Excircle on be laid with more than two blast pipes(17);The spreading mechanism is located at conical shell
(2)Interior top;The drive mechanism is located at conical shell(2)The outside at top, and the output end of drive mechanism is connected to spread
Expect the transmission main shaft of mechanism;Conical shell(2)Bottom open-mouth be connected to bucket-shaped discharging opening(1).
2. a kind of tower skirt formula dry material grader according to claim 1, it is characterised in that:The conical shell(2)
Top is laid with four spouts(9).
3. a kind of tower skirt formula dry material grader according to claim 1, it is characterised in that:The spreading liner plate(8)
For annular shape, spreading liner plate(8)Inner periphery the transmission main shaft is fixedly connected by uniform spoke bar(10)Bottom,
Transmission main shaft(10)Top be connected to by shaft coupling the drive mechanism reductor output shaft;More than described two
Spout(9)Positioned at conical shell(2)On the same circumference at top, spreading liner plate(8)Positioned at more than two spouts(9)'s
Underface.
4. a kind of tower skirt formula dry material grader according to claim 1, it is characterised in that:The conical shell(2)
Excircle on be laid with four blast pipes along the whole tangential air intake of cone bus(17), blast pipe(17)It is provided with wind
Amount and the adjustable regulating valve of wind direction.
5. a kind of tower skirt formula dry material grader according to claim 4, it is characterised in that:The regulating valve is blinds
Valve.
6. a kind of tower skirt formula dry material grader according to claim 1, it is characterised in that:The conical shell(2)
The top of excircle be laid with four bearings(16), the bearing(16)In ladder shape.
7. a kind of tower skirt formula dry material grader according to claim 1, it is characterised in that:With spreading liner plate(8)'s
The corresponding conical shell of circumference(2)The uniform beating lining plate for being installed by welding with arc on inwall(7).
8. a kind of tower skirt formula dry material grader according to claim 7, it is characterised in that:The beating lining plate(7)、
Spreading liner plate(8)Material be metal wear resistant material.
9. a kind of tower skirt formula dry material grader according to claim 1, it is characterised in that:The material distribution grid
(3), wind deflector(5)Material for metal wear resistant material or by surface abrasion resistance handle metal material.
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CN201510445088.2A CN105057123B (en) | 2015-07-27 | 2015-07-27 | A kind of tower skirt formula dry material grader |
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CN105057123B true CN105057123B (en) | 2017-07-25 |
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CN106975609B (en) * | 2017-04-13 | 2024-01-26 | 绵阳蓝奥重型机械制造有限公司 | Sorting grating and powder concentrator adopting same for sorting |
CN107755270A (en) * | 2017-11-13 | 2018-03-06 | 盐城吉达环保设备有限公司 | A kind of multichannel feeds grader |
CN108328953B (en) * | 2018-01-30 | 2022-12-09 | 中建材(合肥)粉体科技装备有限公司 | Continuous operation powdery material homogenizing and mixing device |
CN108745571A (en) * | 2018-06-22 | 2018-11-06 | 南京西普水泥工程集团有限公司 | A kind of material dispersing device |
CN110143408B (en) * | 2019-06-20 | 2024-05-31 | 江苏徐工工程机械研究院有限公司 | Throwing device and material throwing machine |
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DE3626044A1 (en) * | 1986-08-08 | 1988-02-04 | Uralsky Politekhn Inst | WINIFIFIER FOR SEPARATING SCHUETTES |
CN2142758Y (en) * | 1992-12-23 | 1993-09-29 | 国家建筑材料工业局合肥水泥研究设计院 | Combined multi-stage high-efficiency air powder-selecting machine |
JP2807875B2 (en) * | 1996-06-12 | 1998-10-08 | エム・エルエンジニアリング株式会社 | Fine powder removal device for synthetic resin pellets |
CN1607040A (en) * | 2003-10-15 | 2005-04-20 | 何正凯 | Combined powder selector with double wheel differential motion |
CN1781616A (en) * | 2003-11-25 | 2006-06-07 | 高根树 | External circulation needle wheel rotor powder sorter |
RU2379119C1 (en) * | 2008-11-10 | 2010-01-20 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный университет инженерной экологии" | Centrifugal separator |
CN102836822A (en) * | 2012-08-22 | 2012-12-26 | 计伟 | Water-cooled internal circulation type high-efficiency powder concentrator |
CN202778960U (en) * | 2012-09-18 | 2013-03-13 | 山东华特磁电科技股份有限公司 | Vertical purification efficient airflow grader |
CN204170955U (en) * | 2014-10-11 | 2015-02-25 | 江苏维尔思环境工程有限公司 | A kind of modified O-Sepa high-efficient powder concentrator |
CN204486264U (en) * | 2015-03-30 | 2015-07-22 | 梅县梅雁旋窑水泥有限公司 | Cement powders select powder grading plant |
CN204892149U (en) * | 2015-07-27 | 2015-12-23 | 中建材(合肥)粉体科技装备有限公司 | Tower skirt formula dry powder material grader |
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