CN201147712Y - Airflow anticentripetal powder mill - Google Patents
Airflow anticentripetal powder mill Download PDFInfo
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- CN201147712Y CN201147712Y CNU2008200856676U CN200820085667U CN201147712Y CN 201147712 Y CN201147712 Y CN 201147712Y CN U2008200856676 U CNU2008200856676 U CN U2008200856676U CN 200820085667 U CN200820085667 U CN 200820085667U CN 201147712 Y CN201147712 Y CN 201147712Y
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Abstract
The utility model discloses an air-stream centrifuge mill, which comprises a grinding-cavity shell, and a first grinding-cavity hood and a second grinding-cavity hood which are arranged at both sides of an inner cavity; wherein, the top of the grinding-cavity shell inner cavity is provided with a first particle selection module; the upper end of the grinding-cavity shell is connected with a return-flow cavity lower shell that is arranged above the first particle selection module; the side of the return-flow cavity lower shell is provided with a return-flow pipe, and the lower end of the return-flow pipe passes through and is communicated with the second grinding-cavity hood; the first grinding-cavity hood passes through and is communicated with a feeding pipe; the upper end of the return-flow cavity lower shell is communicated with a return-flow cavity upper shell; the inner cavity of the return-flow cavity upper shell is provided with a second particle selection module; the first grinding-cavity hood is communicated with a feeding pipe. The flow rate and the flow speed of the rising air-stream can be adjusted by adjusting the two particle selection devices, so that the granularity of the product can meet the different processing requirements. The return-flow pipe can directly return the particle that cannot reach the processing requirements to the grinding-cavity shell to be processed again, thereby improving the working efficiency.
Description
Technical field
The utility model belongs to the powder technology technology, and it relates to a kind of mechanical device that the fine powder of various materials is prepared, and relates in particular to the airflow centrifugal flour mill.
Background technology
Airflow centrifugal flour mill in the existing known technology generally comprises power transmission shaft, two negative pressure impeller, mill chamber, hopper, feed back pipe, screw input feeder, separator, stator water conservancy diversion gear ring.As Chinese patent " Mechanical Turbulence Mill ", Granted publication CN1295021C, January 17 2007 Granted publication day.This patent disclosure a kind of Mechanical Turbulence Mill, its structure is that grinding machine and separator and grader are formed jointly, both the charging aperture of grader and separator discharging opening flange connected, grader fine powder discharging opening connects with whirlwind collector and cloth bag collector by pipeline, two negative pressure impellers and bearing propeller shaft couplings in the mill chamber, screw input feeder is connected with mill chamber flange plate feed pipe, stator water conservancy diversion gear ring and mill chamber inner ring mount.The high turbulence field that the present invention utilizes two negative pressure impellers of particular design to produce in mill chamber makes material pulverize bump, autogenous grinding, shearing quickly and effectively, thereby makes material obtain effective refinement, is partly reached nanoscale by the material of refinement.Yet the efficient of this type of technical scheme still remains to be improved, and the manufacturing process more complicated.
Summary of the invention
Technical problem to be solved in the utility model is the present situation at prior art, and a kind of crush efficiency height is provided, and makes airflow centrifugal flour mill easy to maintenance.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the airflow centrifugal flour mill, comprise mill chamber housing and the first mill chamber cover and the second mill chamber cover that are installed in its inner chamber both sides, wherein: the top of mill chamber housing inner chamber is provided with the first grain sorting module; Mill chamber housing upper end is connected with the back cavity lower house that is positioned at first grain sorting module top; Back cavity lower house side is shaped on return duct, and the connection second mill chamber cover is run through in the return duct lower end; The first mill chamber cover runs through and is communicated with feed pipe; Back cavity lower house upper end is communicated with the back cavity upper shell, and back cavity upper shell inner chamber is provided with the second grain sorting module.Can regulate the flow and the flow velocity of ascending air by regulating two grain sorting devices, make the particle diameter of product can satisfy different processing requests.The particle that return duct can will not reach processing request directly is back into continuation processing processing in the mill chamber housing, has improved operating efficiency.
Be to optimize technique scheme, the technical measures of taking also comprise: the center of the second mill chamber cover is run through and is provided with power input mechanism, and its end is connected with impeller; The interface position that return duct is connected with the second mill chamber cover is positioned at the projection of impeller on the second mill chamber cover sidewall.The return duct that is in this position can directly suck the particle that does not reach processing request in the back cavity lower house mill chamber housing inner chamber, has effectively improved operating efficiency.
The first grain sorting module is most advanced and sophisticated pyramid-shaped or cone shape retaining device up; and the angle of this retaining device side and bottom surface is that 20 degree are to 75 degree; return the mill chamber housing inner chamber that glides back along the side at this angle material particles, be not easy to be deposited on the retaining device.
The second grain sorting module is connected and composed by upper cone parts and lower cone parts; The shape of upper cone parts is tip pyramid type or pyramid types up; Upper cone parts lower end is connected with most advanced and sophisticated pyramid type or conical lower cone parts down; The angle of upper cone side and bottom surface is that 20 degree are to 75 degree; The angle of lower cone side and bottom surface is that 60 degree are to 85 degree.The upper cone parts be difficult for to be piled up material particles, and the lower cone parts are when playing to the air flow guiding effect, the big material particles of upper punch can also be stopped and break-up shot to returning the powder plate.
The interface of the feed pipe and the first mill chamber cover is between the outer and the first mill chamber cover center of impeller disk.
The mill chamber housing be installed in the first mill chamber cover of its both sides and the junction of the second mill chamber cover is equipped with gear ring; Gear ring top is run through and is shaped on perforate, and perforate is positioned at gear ring top disalignment one side at least 10 degree, falls into mill chamber housing inner chamber after the large granular materials that is stopped by the first grain sorting module slips into this perforate.。
The side of impeller is equipped with at least three blades; Blade and impeller angle radially is that 25 degree are to 35 degree; Be shaped on groove on the blade, help forming circulating current.
Be shaped on back the powder plate in the back cavity lower house, and the angle that returns powder plate and horizontal plane be 40 degree to 85 degree, can efficiently the particle that does not reach processing request be led and slip into return duct.。
Back cavity upper shell top is connected with discharge nozzle; The mill chamber housing bottom is provided with base; The free end of power input mechanism can connect motor.
Because the technical program has adopted the top of mill chamber housing inner chamber to be provided with the first grain sorting module; Mill chamber housing upper end is connected with the back cavity lower house that is positioned at first grain sorting module top; Back cavity lower house side is shaped on return duct, and the connection second mill chamber cover is run through in the return duct lower end; The first mill chamber cover runs through and is communicated with feed pipe; Back cavity lower house upper end is communicated with the back cavity upper shell, and back cavity upper shell inner chamber is provided with the second grain sorting module; Run through on the first mill chamber cover and be communicated with feed pipe.Adopt said structure, can regulate the flow and the flow velocity of ascending air, make the particle diameter of product can satisfy different processing requests by regulating two grain sorting devices.The particle that the return duct of sidewall can will not reach processing request directly is back into continuation processing processing in the mill chamber housing, has improved operating efficiency.And parts are difficult for piling up material particles, have stable circulating current in the whole working cavity of machine.Airflow centrifugal flour mill that so the utility model is a kind of novel structure, efficient height, production capacity is big.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Figure grade explanation: mill chamber housing 1, the first mill chamber cover 2a, mill chamber cover 2b, gear ring 3, impeller 4, back cavity lower house 5, back cavity upper shell 6, discharge nozzle 7, power input mechanism 8, base 9, the first grain sorting module 11, feed pipe 21, perforate 31, blade 41, time powder plate 51, return duct 52, the second grain sorting module 61.
Embodiment: as shown in Figure 1, the airflow centrifugal flour mill comprises mill chamber housing 1 and the first mill chamber cover 2a and the second mill chamber cover 2b that are installed in its inner chamber both sides, and wherein: the top of mill chamber housing 1 inner chamber is provided with the first grain sorting module 11; Mill chamber housing 1 upper end is connected with the back cavity lower house 5 that is positioned at the first grain sorting module, 11 tops; Back cavity lower house 5 sides are shaped on return duct 52, and the connection second mill chamber cover 2b is run through in return duct 52 lower ends; The first mill chamber cover 2a runs through and is communicated with feed pipe 21; Back cavity lower house 5 upper ends are communicated with back cavity upper shell 6, and back cavity upper shell 6 inner chambers are provided with the second grain sorting module 61; Run through on the first mill chamber cover 2a and be communicated with feed pipe 21.
The center of the second mill chamber cover 2b is run through and is provided with power input mechanism 8, and its end is connected with impeller 4; The interface position that return duct 52 is connected with the second mill chamber cover 2b is positioned at the projection of impeller 4 on the second mill chamber cover 2b sidewall.
The first grain sorting module 11 is most advanced and sophisticated pyramid-shaped or cone shape retaining devices up, and the angle of this retaining device side and bottom surface is that 20 degree are to 75 degree.
The second grain sorting module 61 is connected and composed by upper cone parts and lower cone parts; The shape of upper cone parts is tip pyramid type or pyramid types up; Upper cone parts lower end is connected with most advanced and sophisticated pyramid type or conical lower cone parts down; The angle of upper cone side and bottom surface is that 20 degree are to 75 degree; The angle of lower cone side and bottom surface is that 60 degree are to 85 degree.
The interface of the feed pipe 21 and the first mill chamber cover 2a is between the outer and the first mill chamber cover 2a center of impeller 4 cards.
Mill chamber housing 1 be installed in the first mill chamber cover 2a of its both sides and the junction of the second mill chamber cover 2b is equipped with gear ring 3; Gear ring 3 tops are run through and are shaped on perforate 31, and perforate 31 is positioned at gear ring 3 top disalignments one side at least 10 degree.
The side of impeller 4 is equipped with at least three blades 41; Blade 41 is that 25 degree are to 35 degree with impeller 4 angle radially; Be shaped on groove on the blade 41.
Be shaped on back powder plate 51 in the back cavity lower house 5, and the angle of time powder plate 51 and horizontal plane is that 40 degree are to 85 degree.
Back cavity upper shell 6 tops are connected with discharge nozzle 7; Mill chamber housing 1 bottom is provided with base 9; The free end of power input mechanism 8 connects motor.
In the course of work, power input mechanism is impeller 4 rotation at a high speed under the drive of motor, and produces the air-flow that rises.The material that enters mill chamber housing 1 inner chamber from feed pipe 21 is pulverized under the bump of blade 41 and gear ring 3, and pass the back cavities motion that the perforate 31 that is shaped on the gear ring 3 is formed jointly to back cavity lower house 5 and back cavity upper shell 6 by the air-flow lifting, also have simultaneously the part bulky grain owing to inertia also by last bullet.The passage in transit first grain sorting module 11 can be kept off the bulky grain that goes a part not reach the processing granularity requirements.After 61 shuntings of the second grain sorting module, fine grained enters discharge nozzle 7 again, and the bulky grain that does not reach the processing granularity requirements then passes through back powder plate 51, return duct 52, is inhaled into mill chamber housing 1 inner chamber again and pulverizes once more, reaches requirement up to granularity.
Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.
Claims (9)
1, airflow centrifugal flour mill comprises mill chamber housing (1) and is installed in the first mill chamber cover (2a) and the second mill chamber cover (2b) of its inner chamber both sides that it is characterized in that: the top of described mill chamber housing (1) inner chamber is provided with the first grain sorting module (11); Described mill chamber housing (1) upper end is connected with the back cavity lower house (5) that is positioned at the first grain sorting module (11) top; Described back cavity lower house (5) side is shaped on return duct (52), and the described second mill chamber cover (2b) of connection is run through in described return duct (52) lower end; The described first mill chamber cover (2a) runs through and is communicated with feed pipe (21); Described back cavity lower house (5) upper end is communicated with back cavity upper shell (6), and described back cavity upper shell (6) inner chamber is provided with the second grain sorting module (61).
2, airflow centrifugal flour mill according to claim 1 is characterized in that: the center of the described second mill chamber cover (2b) is run through and is provided with power input mechanism (8), and its end is connected with impeller (4); The interface position that described return duct (52) is connected with the described second mill chamber cover (2b) is positioned at the projection of described impeller (4) on second mill chamber cover (2b) sidewall.
3, airflow centrifugal flour mill according to claim 1 is characterized in that: the described first grain sorting module (11) is most advanced and sophisticated pyramid-shaped or cone shape retaining device up, and the angle of this retaining device side and bottom surface is that 20 degree are to 75 degree.
4, airflow centrifugal flour mill according to claim 1 is characterized in that: the described second grain sorting module (61) is connected and composed by upper cone parts and lower cone parts; The shape of described upper cone parts is tip pyramid type or pyramid types up; Described upper cone parts lower end is connected with most advanced and sophisticated pyramid type or conical lower cone parts down; The angle of described upper cone side and bottom surface is that 20 degree are to 75 degree; The angle of described lower cone side and bottom surface is that 60 degree are to 85 degree.
5, airflow centrifugal flour mill according to claim 4 is characterized in that: the interface of the described feed pipe (21) and the first mill chamber cover (2a) is positioned between the outer and described first mill chamber cover (2a) center of described impeller (4) card.
6, airflow centrifugal flour mill according to claim 5 is characterized in that: described mill chamber housing (1) be installed in the first mill chamber cover (2a) of its both sides and the junction of the second mill chamber cover (2b) is equipped with gear ring (3); Described gear ring (3) top is run through and is shaped on perforate (31), and described perforate (31) is positioned at described gear ring (3) top disalignment one side at least 10 degree.
7, airflow centrifugal flour mill according to claim 6 is characterized in that: the side of described impeller (4) is equipped with at least three blades (41); Described blade (41) is that 25 degree are to 35 degree with described impeller (4) angle radially; Described blade is shaped on groove on (41).
8, airflow centrifugal flour mill according to claim 7 is characterized in that: be shaped on back powder plate (51) in the described back cavity lower house (5), and the angle of described time powder plate (51) and horizontal plane is that 40 degree are to 85 degree.
9, airflow centrifugal flour mill according to claim 8 is characterized in that: described back cavity upper shell (6) top is connected with discharge nozzle (7); Described mill chamber housing (1) bottom is provided with base (9); The free end of described power input mechanism (8) can connect motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200856676U CN201147712Y (en) | 2008-04-09 | 2008-04-09 | Airflow anticentripetal powder mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200856676U CN201147712Y (en) | 2008-04-09 | 2008-04-09 | Airflow anticentripetal powder mill |
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| Publication Number | Publication Date |
|---|---|
| CN201147712Y true CN201147712Y (en) | 2008-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200856676U Expired - Fee Related CN201147712Y (en) | 2008-04-09 | 2008-04-09 | Airflow anticentripetal powder mill |
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| CN (1) | CN201147712Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453939A (en) * | 2018-03-16 | 2018-08-28 | 贺州市宜居船木工艺装饰有限公司 | A kind of filling device of loraided bag wiredrawing machine |
| CN110353532A (en) * | 2019-07-19 | 2019-10-22 | 岳阳市祥腾智能科技研究所 | A kind of quickly mashing broken wall emulsifier unit |
-
2008
- 2008-04-09 CN CNU2008200856676U patent/CN201147712Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108453939A (en) * | 2018-03-16 | 2018-08-28 | 贺州市宜居船木工艺装饰有限公司 | A kind of filling device of loraided bag wiredrawing machine |
| CN110353532A (en) * | 2019-07-19 | 2019-10-22 | 岳阳市祥腾智能科技研究所 | A kind of quickly mashing broken wall emulsifier unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 Termination date: 20110409 |