CN105057123A - Tower skirt type dry powder material classifier - Google Patents
Tower skirt type dry powder material classifier Download PDFInfo
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- CN105057123A CN105057123A CN201510445088.2A CN201510445088A CN105057123A CN 105057123 A CN105057123 A CN 105057123A CN 201510445088 A CN201510445088 A CN 201510445088A CN 105057123 A CN105057123 A CN 105057123A
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- conical shell
- spreading
- tower skirt
- distribution grid
- wind deflector
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Abstract
The invention relates to a tower skirt type dry powder material classifier. The tower skirt type dry powder material classifier comprises a drive mechanism, a mechanism and a classification mechanism. The drive mechanism is composed of a motor and a speed reducer. The mechanism is composed of a transmission main shaft and a scattering plate part. The classification mechanism is composed of multiple layers of conical material distribution plates and multiple layers of corresponding air guide plates. Feed ports are evenly distributed in the upper portion of an outer shell. Two or four tangent air inlets are evenly distributed in the circumference of the outer shell. Regulating valves with adjustable air volumes and adjustable air directions are arranged outside the air inlets. An air outlet duct is arranged on the top of the device. A coarse powder outlet is formed in the bottom of the device. The tower skirt type dry powder material classifier has the characteristics of upper transmission, upper feeding, forced throwing, tower skirt type material distribution, wind power separation, upper air discharge and bottom coarse powder discharge and gathers the beneficial effects of scatter classifiers and V-shaped powder concentrators. Materials are evenly scattered. The classification efficiency is high. The separation effect is good. Parts prone to abrasion are easy to protect. The replacement cycle of parts prone to damage is long. Replacement and maintenance are convenient. The occupied area is small. The installation position is flexible. Adaptability to the process is high. Operation is easy. The energy consumption is reduced.
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, be specifically related to the classifying equipoment of cement industry unit or polynary component dry material.
Background technology
Cement grinding technology is through the fast development of two more than ten years, and grinding process develops into today based on combination grinding and half whole grinding process by early stage pre-grinding process.Current domestic roller press grinding system has been tending towards ripe in the application of raw material and cement grinding, roll squeezer raw material final grinding system and the finished cement combination grinding technique formed for capital equipment with roll squeezer, ball mill, half whole grinding process system will represent the developing direction of grinding system within today and quite a long time later, be seized of important position.
At present, the technique that roller press grinding system is generally taked in cement slurry grinding is:
The open-circuit grinding system of 1. roll squeezer+V-type powder concentrator or dynamically V-type powder concentrator+dust-precipitator composition;
The open-circuit grinding system of 2. roll squeezer+V-type powder concentrator+high-efficient powder concentrator+dust-precipitator composition.
The technique that roller press grinding system is generally taked in finished cement grinding is:
1. roll squeezer+V-type powder concentrator or the scattering grader+open circuit of ball mill composition, closed circuit Joint grinding system or half final grinding system;
2. roll squeezer+V-type powder concentrator+dynamic high-efficiency powder concentrator+the open circuit of 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 in each system also existing defects.There is serious wear in scattering grader, vulnerable part changes shortcoming frequently in the application of large-scale roller press system, and scattering grader breaks up the replacing of dish and classification mechanism generally less than 1 year, and few just needed to change in half a year; And apply in V-type powder concentrator system and there is material skewness, grinding efficiency generally all lower than 50% shortcoming.
Summary of the invention
In order to optimize grinding process, reducing system energy consumption, save producing cost, the invention provides a kind of tower skirt formula dry material grader, substitute the grader of functional similarity equipment in traditional grinding process system, to adapt to manufacture of cement comprehensive utilization of resources and energy-saving and cost-reducing development trend.
Concrete technical solution is as follows:
The classification mechanism that a kind of tower skirt formula dry material grader comprises the driving mechanism be made up of motor and speed reducer, the spreading mechanism be made up of transmission main shaft 10 and spreading liner plate 8 and is made up of the material distribution grid 3 of conical shell more than 2, three layers and the wind deflector 5 of more than three layers of correspondence; Described conical shell 2 is inverted cone uncovered bottom top seal, and the centre at top is exhaust passage 14, and the top of periphery, exhaust passage 14 is laid with plural spout 9; Material distribution grid 3 and the corresponding wind deflector 5 of more than three layers of described more than three layers are from top to bottom fixed at successively in conical shell 2, the excircle of conical shell 2 are laid with plural blast pipe 17; Described spreading mechanism is positioned at the top of conical shell 2; Described driving mechanism is positioned at the outside at conical shell 2 top, and the output of driving mechanism is connected to the transmission main shaft of spreading mechanism; The bottom open-mouth of conical shell 2 is connected to bucket-shaped discharging opening 1.
Described material distribution grid 3 is conial ring shape, and every layer of material distribution grid 3 is fixedly connected the inwall of conical shell 2 by the distribution fixed head 4 of uniform strip; Described wind deflector 5 is conial ring shape, be fixedly connected with by the wind-guiding fixed head 6 of more than four strips between neighbouring wind deflector 5, and the side of every root wind-guiding fixed head 6 is supported on the circumferential edges place of material distribution grid 3, makes the wind deflector 5 of more than three layers form a pineal cone suspension and be fixed in conical shell 2; One piece of material distribution grid 3 and one piece of corresponding wind deflector 5 form the state of falling the Eight characters.
Described conical shell 2 top is laid with four spouts 9.
Described spreading liner plate 8 is circular, and the inner periphery of spreading liner plate 8 is fixedly connected the bottom of described transmission main shaft 10 by uniform spoke bar, the top of transmission main shaft 10 is connected to the output shaft of the reductor of described driving mechanism by shaft coupling; Described plural spout 9 is positioned at the circumferentially same of conical shell 2 top, and spreading liner plate 8 is positioned at immediately below plural spout 9.
The excircle of described conical shell 2 is laid with four blast pipes 17 along the tangential air intake of whole cone bus, blast pipe 17 is provided with air quantity and the adjustable control valve of wind direction.
Described control valve is louver valve.
The top of the excircle of described conical shell 2 is laid with four bearings 16, and described bearing 16 is in ladder shape.
The uniform beating lining plate 7 being installed by welding with arc on conical shell 2 inwall corresponding with the circumference of spreading liner plate 8.
The material of described beating lining plate 7, spreading liner plate 8 is metal wear resistant material.
The material of described material distribution grid 3, wind deflector 5 is metal wear resistant material or the metal material through surface abrasion resistance process.
Advantageous Effects of the present invention embodies in the following areas:
1. the present invention absorbs the advantage of V-type powder concentrator, scattering grader, dynamic powder concentrator, adopt the structure of forcing to shed material, pneumatic separating, material is disperseed as much as possible before classification, that abandons scattering grader breaks up that little, the handled thing doses of dish is large, the shortcoming of serious wear, make material dispersion evenly.Air classification structure changes V-type powder concentrator plane air intake as the tangential air intake of circumference into, and increase is selected powder area, material distribution is uniformly dispersed more; Make full use of the feature of sorting, straightening general formula selection by winnowing is helix wind sorting, and increase and select powder effect, grinding efficiency reaches more than 70%.
2. position easy to wear of the present invention beating lining plate 7, spreading liner plate 8, material distribution grid 3, wind deflector 5, can do by multiple wear Protection together, and vulnerable part replacement cycle length can reach more than 2 years, and repair and replacement are convenient.
3. the present invention adopts negative-pressure operation, and environmental protection is without airborne dust point, and production environment is friendly.
4. this plant area area is little, installation site flexible, strong to the applicability of technique; Simple to operate, save energy consumption, to material wide adaptability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is Fig. 1 sectional plan view.
Fig. 3 is the top view that Fig. 2 removes transmission device.
Fig. 4 is the A-A sectional view of Fig. 2.
Fig. 5 is the B-B sectional view of Fig. 2.
Sequence number in upper figure: feed opening 1, cone shell 2, material distribution grid 3, distribution fixed head 4, wind deflector 5, wind-guiding fixed head 6, 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, control valve 18.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the present invention is further described.
Embodiment
See Fig. 1 and Fig. 2, a kind of tower skirt formula dry material grader comprises the classification mechanism that the driving mechanism be made up of motor and speed reducer, the spreading mechanism be made up of transmission main shaft 10 and spreading liner plate 8 and five layers of wind deflector 5 by conical shell 2, five layers of material distribution grid 3 and correspondence are formed.
Conical shell 2 is inverted cone uncovered bottom top seal, and driving mechanism is positioned at the outside at conical shell 2 top.See Fig. 3, the centre at conical shell 2 top is exhaust passage 14, and the top of periphery, exhaust passage 14 is laid with four spouts, 9, four spouts 9 and is positioned at circumferentially same.Five layers of material distribution grid 3 of classification mechanism and five layers of corresponding wind deflector 5 are in conical shell 2, material distribution grid 3 is conial ring shape, five layers of material distribution grid 3 fix welded and installed from top to bottom successively in conical shell 2, and every layer of material distribution grid 3 is fixedly connected the inwall of conical shell 2 by the distribution fixed head 4 of uniform strip; Wind deflector 5 is conial ring shape, be fixedly connected with by the wind-guiding fixed head 6 of six roots of sensation strip between neighbouring wind deflector 5, and the side of every root wind-guiding fixed head 6 is supported on the circumferential edges place of material distribution grid 3, makes five layers of wind deflector 5 form a pineal cone suspension and be fixed in conical shell 2; One piece of material distribution grid 3 and one piece of corresponding wind deflector 5 form the state of falling the Eight characters.The bottom open-mouth of the conical shell 2 below classification mechanism is welded to connect bucket-shaped discharging opening 1.
See Fig. 1 and Fig. 5, uniformly on the excircle of conical shell 2 be provided with four blast pipes 17 along the tangential air intake of whole cone bus, blast pipe 17 is provided with the control valve 18 of adjustable air volume and wind direction, control valve 18 is louver valve.
See Fig. 1 and Fig. 2, spreading mechanism is positioned at the top of conical shell 2.Spreading liner plate 8 is circular, and the inner periphery of spreading liner plate 8 is fixedly connected the bottom of transmission main shaft 10 by uniform spoke bar, the top of transmission main shaft 10 is connected to the output shaft of the reductor of driving mechanism by shaft coupling.Spreading liner plate 8 is positioned at immediately below four spouts 9.
The uniform beating lining plate 7 being installed by welding with arc on conical shell 2 inwall corresponding with the circumference of spreading liner plate 8, the material of beating lining plate 7 is metal wear resistant material.The material of material distribution grid 3, wind deflector 5 is metal wear resistant material.Spreading liner plate 8, beating lining plate 7, distribution grid 3, wind deflector 5 are vulnerable part, and the service life of vulnerable part of the present invention can reach more than 2 years.
See Fig. 1 and Fig. 4, the top of the excircle of conical shell 2 is uniform is provided with four bearings 16, and bearing 16 is in ladder shape; Play a part on the one hand to increase Area of bearing, the operation up and down of convenient operation maintainer on the other hand.
Operation principle of the present invention is described as follows:
Material enters classification mechanism through four spouts 9, under the spreading liner plate Final 8 system rotated is shed, under the acting in conjunction of tangential force, centrifugal force and gravity, beating lining plate 7 is hit with parabolic path, under gravity and beating lining plate 7 guiding function, free-falling, on the material distribution grid 3 circumferentially arranged at a certain angle, changes vertical landing direction and evenly drops down onto in gas channel, clean first material; Fine grain material flow of wrapped folder continues to drop on the material distribution grid 3 of lower one deck, evenly drop down onto in second-order gas channel after changing direction, second time cleaning is carried out to material, the like, namely when the material distribution grid 3 of lower one deck is often down to by material, just enter a gas channel, dust-laden material is once cleaned, until the sorting that discharging opening 1 completes large or fine granule is down to by material; In material, fine lighter particle to enter the exhaust passage 14 of grader finished product because of airflow function along wind deflector 5, vortex spiral power is formed in the exhaust passage 14 of finished product, to the further sorting of material of the fine lighter particle entered, wherein larger particles is because of centrifugal force and gravity acting in conjunction decline, meet with lower stream of airflow, carry out repeated screening, finally drop down onto the discharging opening 1 of the meal of bottom compared with coarse granule, fine lighter particle enters collecting device along with air-flow enters exhaust passage 14 as grader finished product.
Claims (10)
1. a tower skirt formula dry material grader, is characterized in that: the classification mechanism comprising the driving mechanism be made up of motor and speed reducer, the spreading mechanism be made up of transmission main shaft (10) and spreading liner plate (8) and be made up of conical shell (2), the material distribution grid (3) of more than three layers and the wind deflector (5) of more than three layers of correspondence; Described conical shell (2) is inverted cone uncovered bottom top seal, and the centre at top is exhaust passage (14), and the top of exhaust passage (14) periphery is laid with plural spout (9); Material distribution grid (3) and the corresponding wind deflector (5) of more than three layers of described more than three layers are fixed at from top to bottom successively in conical shell (2), the excircle of conical shell (2) are laid with plural blast pipe (17); Described spreading mechanism is positioned at the top of conical shell (2); Described driving mechanism is positioned at the outside at conical shell (2) top, and the output of driving mechanism is connected to the transmission main shaft of spreading mechanism; The bottom open-mouth of conical shell (2) is connected to bucket-shaped discharging opening (1).
2. a kind of tower skirt formula dry material grader according to claim 1, it is characterized in that: described material distribution grid (3) is conial ring shape, every layer of material distribution grid (3) is fixedly connected the inwall of conical shell (2) by the distribution fixed head (4) of uniform strip; Described wind deflector (5) is conial ring shape, be fixedly connected with by the wind-guiding fixed head (6) of more than four strips between neighbouring wind deflector (5), and the side of every root wind-guiding fixed head (6) is supported on the circumferential edges place of material distribution grid (3), makes the wind deflector of more than three layers (5) form a pineal cone suspension and be fixed in conical shell (2); One piece of material distribution grid (3) and one piece of corresponding wind deflector (5) form the state of falling the Eight characters.
3. a kind of tower skirt formula dry material grader according to claim 1 and 2, is characterized in that: described conical shell (2) top is laid with four spouts (9).
4. a kind of tower skirt formula dry material grader according to claim 1, it is characterized in that: described spreading liner plate (8) is for circular, the inner periphery of spreading liner plate (8) is fixedly connected the bottom of described transmission main shaft (10) by uniform spoke bar, the top of transmission main shaft (10) is connected to the output shaft of the reductor of described driving mechanism by shaft coupling; Described plural spout (9) is positioned at the circumferentially same of conical shell (2) top, and spreading liner plate (8) is positioned at immediately below plural spout (9).
5. a kind of tower skirt formula dry material grader according to claim 1, it is characterized in that: the excircle of described conical shell (2) is laid with four blast pipes (17) along the tangential air intake of whole cone bus, blast pipe (17) is provided with air quantity and the adjustable control valve of wind direction.
6. a kind of tower skirt formula dry material grader according to claim 1, is characterized in that: described control valve is louver valve.
7. a kind of tower skirt formula dry material grader according to claim 1, is characterized in that: the top of the excircle of described conical shell (2) is laid with four bearings (16), and described bearing (16) is in ladder shape.
8. a kind of tower skirt formula dry material grader according to claim 1, is characterized in that: the uniform beating lining plate (7) being installed by welding with arc on conical shell (2) inwall corresponding with the circumference of spreading liner plate (8).
9. a kind of tower skirt formula dry material grader according to claim 1, is characterized in that: the material of described beating lining plate (7), spreading liner plate (8) is metal wear resistant material.
10. a kind of tower skirt formula dry material grader according to claim 1, is characterized in that: the material of described material distribution grid (3), wind deflector (5) is metal wear resistant material or the metal material through surface abrasion resistance process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
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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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| CN105057123A true CN105057123A (en) | 2015-11-18 |
| CN105057123B CN105057123B (en) | 2017-07-25 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975609A (en) * | 2017-04-13 | 2017-07-25 | 绵阳蓝奥重型机械制造有限公司 | A kind of sorting grid and the powder concentrator sorted using sorting grid |
| 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 |
| CN108328953A (en) * | 2018-01-30 | 2018-07-27 | 中建材（合肥）粉体科技装备有限公司 | One kind is worked continuously powdered material homogenizing mixing arrangement |
| 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 |
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| 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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| DE3626044A1 (en) * | 1986-08-08 | 1988-02-04 | Uralsky Politekhn Inst | WINIFIFIER FOR SEPARATING SCHUETTES |
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| JPH10620A (en) * | 1996-06-12 | 1998-01-06 | M L Eng Kk | Apparatus for removing fine powder of synthetic rest pellet |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975609A (en) * | 2017-04-13 | 2017-07-25 | 绵阳蓝奥重型机械制造有限公司 | A kind of sorting grid and the powder concentrator sorted using sorting grid |
| 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 |
| CN108328953A (en) * | 2018-01-30 | 2018-07-27 | 中建材（合肥）粉体科技装备有限公司 | One kind is worked continuously powdered material homogenizing mixing arrangement |
| 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 |
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