CN204974227U - Skirt pendulum -type dry powder material grader - Google Patents
Skirt pendulum -type dry powder material grader Download PDFInfo
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- CN204974227U CN204974227U CN201520548242.4U CN201520548242U CN204974227U CN 204974227 U CN204974227 U CN 204974227U CN 201520548242 U CN201520548242 U CN 201520548242U CN 204974227 U CN204974227 U CN 204974227U
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Abstract
The utility model relates to a skirt pendulum -type dry powder material grader. Include the actuating mechanism that constitutes by motor and speed reducer, by the transmission main shaft and the hierarchical mechanism of spilling mechanism that the charging tray parts form, forming by conical shell, multilayer material distributing plate and multilayer aviation baffle, the top equipartition of conical shell is equipped with the feed inlet, and the tangential air inlet duct more than two is evenly arranged to the outer circumference of casing, is equipped with the governing valve of the adjustable amount of wind and wind direction on every air inlet duct, the top of conical shell is located to the exhaust passage, the bottom of conical shell is located in the middlings export. The utility model has the characteristics of upper portion transmission, upper portion feed, force to shed, tower skirt formula cloth, wind -force sorting, upper portion air -out, the bottom middlings ejection of compact, realized that the material dispersion is even, the classification efficiency is high, and separation effect is good, easy abrasion part protects easily, and vulnerable part replacement cycle is long, changes easy maintenance, area is little, the mounted position is nimble, and is strong to the suitability of technology, easy operation, saving energy consumption.
Description
Technical field
The utility model belongs to the sorting technology field of the dry material of the industries such as chemical industry, building materials, mine, pharmacy, rare metal, is 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.
Utility model content
In order to optimize grinding process, reducing system energy consumption, save producing cost, the utility model provides a kind of train of dress 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 train of dress 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 cone uncovered bottom top seal, and top 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 15; 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 uncovered side, bottom of conical shell 2 is communicated with meal feed opening 1, and opposite side is communicated with exhaust passage 13.
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 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 15 along the tangential air intake of whole cone bus, blast pipe 15 is provided with air quantity and the adjustable control valve 16 of wind direction.
Described control valve 16 is louver valve.
The top of the excircle of described conical shell 2 is laid with four bearings 14, and described bearing 14 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 utility model embodies in the following areas:
1. the utility model 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 utility model 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 utility model 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 the utility model structural profile schematic diagram;
Fig. 2 is the top view after Fig. 1 removes transmission device;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is the B-B sectional view of Fig. 1.
Sequence number in upper figure: meal feed opening 1, conical 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, transmission main shaft 10, driving mechanism 11, shaft coupling 12, exhaust passage 13, bearing 14, blast pipe 15, control valve 16.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the utility model is further described.
Embodiment
See Fig. 1, a kind of train of dress formula dry material grader comprises the classification mechanism that the driving mechanism 11 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.
See Fig. 2, conical shell 2 is cone uncovered bottom top seal, and top is laid with four spouts 9.See Fig. 1, five layers of material distribution grid 3 and five layers of corresponding wind deflector 5 fix welded and installed from top to bottom successively in conical shell 2, 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 five layers of wind deflector 5 form a 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.See Fig. 1, 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 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 driving mechanism 11 by shaft coupling 12; 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 spreading liner plate 8, 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 the utility model vulnerable part can reach more than 2 years.
See Fig. 3, uniformly on the excircle of conical shell 2 be provided with four blast pipes 15 along the tangential air intake of whole cone bus, each blast pipe 15 is provided with air quantity and the adjustable control valve 16 of wind direction, control valve 16 is louver valve.The top of the excircle of conical shell 2 is laid with four bearings 14, and bearing 14 is in ladder shape.
See Fig. 1, the uncovered side, bottom of conical shell 2 is communicated with meal feed opening 1, and opposite side is communicated with exhaust passage (13).
Operation principle of the present utility model 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 13 of grader finished product because of airflow function along wind deflector 5, vortex spiral power is formed in the exhaust passage 13 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 13 as grader finished product.
Claims (10)
1. a train of dress 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 cone uncovered bottom top seal, and top 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 (15); 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 uncovered side, bottom of conical shell (2) is communicated with meal feed opening (1), and opposite side is communicated with exhaust passage (13).
2. a kind of train of dress 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 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 train of dress 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 train of dress 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 train of dress 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 (15) along the tangential air intake of whole cone bus, blast pipe (15) is provided with air quantity and the adjustable control valve (16) of wind direction.
6. a kind of train of dress formula dry material grader according to claim 5, is characterized in that: described control valve (16) is louver valve.
7. a kind of train of dress 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 (14), and described bearing (14) is in ladder shape.
8. a kind of train of dress 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 train of dress formula dry material grader according to claim 8, 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 train of dress 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 |
|---|---|---|---|
| CN201520548242.4U CN204974227U (en) | 2015-07-27 | 2015-07-27 | Skirt pendulum -type dry powder material grader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548242.4U CN204974227U (en) | 2015-07-27 | 2015-07-27 | Skirt pendulum -type dry powder material grader |
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| Publication Number | Publication Date |
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| CN204974227U true CN204974227U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520548242.4U Active CN204974227U (en) | 2015-07-27 | 2015-07-27 | Skirt pendulum -type dry powder material grader |
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Cited By (3)
| 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 |
| CN111974523A (en) * | 2020-08-04 | 2020-11-24 | 吉林亚泰水泥有限公司 | Shaping and screening system applied to recycled aggregate |
| CN112871477A (en) * | 2021-01-12 | 2021-06-01 | 南京航空航天大学 | High-efficiency separator based on built-in channel and method thereof |
-
2015
- 2015-07-27 CN CN201520548242.4U patent/CN204974227U/en active Active
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 |
| 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 |
| CN111974523A (en) * | 2020-08-04 | 2020-11-24 | 吉林亚泰水泥有限公司 | Shaping and screening system applied to recycled aggregate |
| CN112871477A (en) * | 2021-01-12 | 2021-06-01 | 南京航空航天大学 | High-efficiency separator based on built-in channel and method thereof |
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