CN214916842U

CN214916842U - Particle size homogeneous type jet milling device

Info

Publication number: CN214916842U
Application number: CN202120844236.9U
Authority: CN
Inventors: 李军; 沈东华; 陈飞
Original assignee: Liyang Zhongnan Chemical Industry Co ltd
Current assignee: Liyang Zhongnan Chemical Industry Co ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-30
Anticipated expiration: 2031-04-23

Abstract

The utility model relates to a particle size homogeneous type fluid energy mill belongs to the field of crushing apparatus technique, and it includes the organism, be provided with crushing room in the organism, the intercommunication has the inlet pipe on the lateral wall of crushing room, the top intercommunication of crushing room has the discharging pipe, the discharging pipe is close to the one end of crushing room is provided with the shake filter mechanism that is used for carrying out the screening to the material granule of taking out, shake filter mechanism and include filtering component and shake subassembly, filtering component sets up in the one end that the discharging pipe is close to crushing room, shake the subassembly and be used for controlling the shaking of filtering component on being fixed in the discharging pipe. This application has the effect that discharged material granule can be more even.

Description

Particle size homogeneous type jet milling device

Technical Field

The application relates to the technical field of crushing equipment, in particular to a uniform-particle-size airflow crushing device.

Background

A pulverizer is a device that pulverizes large-sized solid raw materials to a desired size, and achieves the purpose of pulverization in the form of high-speed impact. The jet mill is one of crushers, and a jet mill is needed to crush raw materials in the production process of pesticides.

In the related technology, compressed air is filtered and dried, and then is injected into a crushing cavity at a high speed through a nozzle, materials at the intersection point of a plurality of high-pressure air flows are repeatedly collided, rubbed and sheared to be crushed, under the action of strong centrifugal force generated by a grading turbine rotating at a high speed, the thick and thin materials are separated, and fine particles which meet the particle size requirement and are positioned in the middle of the crushing cavity are discharged through negative pressure and collected.

In view of the above-mentioned related technologies, the inventor believes that collecting fine materials in the middle of the crushing cavity directly by negative pressure is easy to suck out coarse materials in the crushing cavity together, so that the collected materials are difficult to ensure uniform particle size.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the material granularity of collecting is difficult to be even, the application provides a granularity homogeneous type jet mill device.

The application provides a particle size homogeneous type jet mill device adopts following technical scheme:

the utility model provides a particle size homogeneous type fluid energy mill, includes the organism, be provided with crushing room in the organism, the intercommunication has the inlet pipe on crushing room's the lateral wall, the top intercommunication of crushing room has the discharging pipe, the discharging pipe is close to the one end of crushing room is provided with the shake filter mechanism that is used for carrying out the screening to the material granule of taking out, shake filter mechanism and include filtering component and shake subassembly, filtering component sets up in the one end that the discharging pipe is close to crushing room, the shake subassembly is fixed in and is used for controlling the shaking of filtering component on the discharging pipe.

By adopting the technical scheme, the materials enter the crushing chamber through the feeding pipe, the granular materials are crushed in the crushing chamber through the air flow, then the crushed materials are discharged through the discharging pipe, when the materials are discharged, in order to reduce the existence of large granular materials in the discharged materials, when the material is discharged through the discharge pipe, the material is firstly filtered through the filtering component, so that the discharged material particles can be more uniform, meanwhile, the filter assembly is shaken by the shaking assembly, so that the accumulation of materials on the filter assembly is reduced, if large materials are difficult to pass through the filter assembly and negative pressure material particles are accumulated on the filter assembly, the distance between the large material particles is difficult to control, and the material particles passing through the filter assembly can be easily kept in a uniform state, because of the arrangement of the shaking assembly, the uniformity of the discharged particles of the materials is further improved.

Optionally, the filtering component comprises a filter screen and a fixed frame, the fixed frame is wrapped by the filter screen, and the fixed frame and the side wall of the discharge pipe are detachably arranged.

Through adopting above-mentioned technical scheme, after the material is smashed through smashing the room, when discharging through the discharging pipe, filter through the filter screen earlier, discharge in the tiny particle follow filter screen, the large granule drops to smashing indoor portion through gravity, smashes once more. Can dismantle between fixed frame and the discharging pipe and be connected, the clearance can be dismantled to the filter screen of being convenient for.

Optionally, a plurality of mounting grooves are vertically formed in the inner wall surface of one end, facing the crushing chamber, of the discharging pipe, the mounting grooves are distributed along the circumferential direction of the discharging pipe, a pair of locking grooves is transversely formed in two sides of one end, far away from the crushing chamber, of each mounting groove, and the locking grooves and the mounting grooves are communicated;

the fixing frame is fixed with a plurality of installation pieces towards the one side of smashing the room, and is a plurality of the installation piece one-to-one inserts and locates a plurality of mounting grooves, the circumference of installation piece is provided with a pair of latch segment, two the latch segment slides and inserts and locates the installation piece and leave one side dorsad, two the latch segment is inserted and is located two locking grooves, and every is provided with the piece that resets between two latch segments.

Through adopting above-mentioned technical scheme, when installing fixed frame, at first compress tightly two latch segments towards relative direction, then insert the installation piece that has the latch segment and locate the mounting groove in, slide the installation piece along the length direction of locking groove, when the installation piece is located the position of locking groove, two latch segments are because the effect of piece that resets, with the direction propelling movement that two latch segments deviate from towards mutually, thereby can get into the locking groove with the latch segment propelling movement, can establish with fixed frame card on the discharging pipe.

Optionally, the inner wall of the discharge pipe close to one end of the crushing chamber is provided with a step surface, and one surface of the fixing frame far away from the mounting block is abutted to the step surface.

Through adopting above-mentioned technical scheme, the setting of step face can be spacing to the position of fixed frame on the one hand, and on the other hand can block the clearance between fixed frame and the discharging pipe lateral wall through the step face to reduce the granule material and discharge between the lateral wall of fixed frame and discharging pipe.

Optionally, the filter screen sets up to the elastic material, the shake subassembly includes a plurality of eccentric wheels and controls a plurality of eccentric wheel pivoted driving piece, the arc lateral wall and the filter screen laminating of eccentric wheel set up.

Through adopting above-mentioned technical scheme, rotate through driving piece drive eccentric wheel, when the eccentric wheel rotated, the distance between the rotation center of eccentric wheel and the filter screen changed to can produce the shake to the filter screen, thereby can make filter screen and material granule break away from the connection.

Optionally, the initial distance between the rotation center of the eccentric wheels and the filter screen is in a decreasing trend.

Through adopting above-mentioned technical scheme, can produce the shake of irregularity to the filter screen to break away from the connection between material and the filter screen.

Optionally, a plurality of first holes and a plurality of second holes have been seted up on the lateral wall of smashing the room, and is a plurality of clockwise slope distributes along the circumference of smashing the room in first hole, and is a plurality of the second hole is followed smash the anticlockwise slope of room circumference and distribute, and is a plurality of first hole and a plurality of the second hole is followed smash the axial distribution of room.

Through adopting above-mentioned technical scheme, can be convenient for collision each other between the material, make comminuted more thorough.

Optionally, a plurality of third holes have been seted up on the lateral wall of crushing room, and is a plurality of the third hole sets up along the circumference of crushing room, every the third hole sets up towards the bottom surface slope of crushing room.

Through adopting above-mentioned technical scheme, can further be convenient for the mutual collision between the material, make comminuted more thorough.

Optionally, a plurality of fourth holes are formed in the side wall of the crushing chamber, the fourth holes are arranged along the circumferential direction of the crushing chamber, and each fourth hole is obliquely arranged towards the discharge pipe.

Through adopting above-mentioned technical scheme, can make the material smash the indoor mixed and disorderly collision of portion to the crushing of material.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the filtering component and the shaking component, the effect of improving the uniformity of the particles discharged by the material can be achieved;

2. the filter screen is convenient to detach and clean by detachably arranging the fixing frame and the feed pipe;

3. through the setting in first hole, second hole, third hole and fourth hole, can play the more thorough effect that makes comminuted.

Drawings

FIG. 1 is a schematic view of the overall structure of the pulverizing chamber and its associated structure in an embodiment of the present application;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of a dithering assembly in an embodiment of the present application;

FIG. 4 is a schematic view of a crushing chamber and its associated structure in full section in an embodiment of the present application;

FIG. 5 is an enlarged schematic view of the portion B of FIG. 4;

fig. 6 is an enlarged schematic view of the portion C in fig. 1.

Description of reference numerals: 1. a body; 11. a crushing chamber; 111. a first hole; 112. a second hole; 113. a third aperture; 114. a fourth aperture; 12. a discharge pipe; 121. mounting grooves; 122. a locking groove; 123. a step surface; 13. a feed pipe; 14. a first high pressure gas inlet pipe; 15. a second high-pressure gas inlet pipe; 2. a shaking filtering mechanism; 21. a dithering component; 211. an eccentric wheel; 212. a drive member; 22. a filter assembly; 221. a filter screen; 222. a fixing frame; 2221. mounting blocks; 2222. a locking block; 2223. a reset member; 2224. an accommodation hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses particle size homogeneous type jet milling device. Referring to fig. 1 and 2, a particle size uniformity type jet mill includes a mill body 1, a milling chamber 11 is provided on the mill body 1, a discharge pipe 12 is provided on the top of the milling chamber 11, a feed pipe 13 and a first high-pressure air inlet pipe 14 are provided on the side wall of the milling chamber 11, and the material and air flow entering the milling chamber 11 from the feed pipe 13 and the first high-pressure air inlet pipe 14 are both spiral. A second high-pressure air inlet pipe 15 is communicated with the feeding pipe 13, and the materials are crushed in the crushing chamber 11 in a spiral mode through the second high-pressure air inlet pipe 15. Set up shake filter mechanism 2 on discharging pipe 12, shake filter mechanism 2 and include filtering component 22 and shake subassembly 21, when the material passes through discharging pipe 12 and discharges, filter through filtering component 22, shake filtering component 22 through shake subassembly 21 simultaneously, make the material be difficult to the adhesion on filtering component 22 to can make the even filtering component 22 that passes through of material.

Referring to fig. 3, the filter assembly 22 includes a filter screen 221 and a fixing frame 222 wrapped around the filter screen 221. The filter screen 221 is made of an elastic material, and in this embodiment, the filter screen 221 is made of a TPE material. A plurality of mounting blocks 2221 are fixed to one surface of the filter frame facing the crushing chamber 11, the mounting blocks 2221 are arranged along the circumferential direction of the fixing frame 222, a receiving hole 2224 is formed in each mounting block 2221 along the circumferential direction of the fixing frame 222, a pair of locking blocks 2222 are arranged on each mounting block 2221 and located in the receiving hole 2224, each pair of two locking blocks 2222 are respectively inserted into two ends of the receiving hole 2224, a reset piece 2223 is arranged between each pair of two locking blocks 2222, and in this embodiment, the reset piece 2223 is a spring. The pair of mounting blocks 2221 are inserted into the receiving hole 2224 in the direction of the spring when the spring is compressed, and the pair of mounting blocks 2221 are respectively inserted into both ends of the receiving hole 2224 when the spring is extended again.

Referring to fig. 4 and 5, a plurality of mounting grooves 121 are vertically formed in the inner wall surface of one end, facing the crushing chamber 11, of the discharge pipe 12, the mounting grooves 121 are distributed along the circumferential direction of the discharge pipe 12, a step surface 123 is arranged on the discharge pipe 12 and at a position where one end, facing the step surface 123, of the mounting grooves 121 is far away from one end of the crushing chamber 11, a pair of locking grooves 122 are arranged at positions, facing the step surface 123, of each mounting groove 121, and the two locking grooves 122 are communicated with the mounting grooves 121. The mounting block 2221 is inserted into the mounting groove 121 and slides along the mounting groove 121 in a direction away from the crushing chamber 11, and finally the locking block 2222 is inserted into the locking groove 122 through the restoring member 2223, so that the fixing frame 222 can be mounted on the discharging pipe 12.

Referring to fig. 2, the shaking assembly 21 includes a plurality of eccentrics 211 and a driving member 212 for controlling the rotation of the plurality of eccentrics 211, an initial distance between a rotation center of the plurality of eccentrics 211 and the filter screen 221 is decreasing, in this embodiment, the driving member 212 is a micro motor, an output shaft of the micro motor is fixed to the rotation center of the eccentrics 211, and a mechanical seal is disposed between the output shaft of the micro motor and the discharge pipe 12 to reduce material leakage. The driving members 212 drive the eccentrics 211 to rotate in a one-to-one correspondence. Because the distance between the rotation center of the eccentric wheel 211 and the filter screen 221 is different and because the filter screen 221 has elasticity, after the driving member 212 is started, the eccentric wheel 211 can apply different forces to the filter screen 221, so that the filter screen 221 shakes. The shaking assembly 21 is arranged, so that the materials can be separated from the filter screen 221 conveniently, and the materials can be discharged more uniformly. Because the inside negative pressure that is of discharging pipe 12, the negative pressure is to the material suction, because filter screen 221 self is the elastic component, when the pressure of negative pressure is great, the big granule material blocks up easily inside the mesh of filter screen 221, makes filter screen 221 warp to can make the mesh area of filter screen 221 inhomogeneous, lead to the discharged material to produce inhomogeneous phenomenon, consequently shake subassembly 21 and can reduce the condition that filter screen 221 takes place to warp.

Referring to fig. 6, a plurality of third holes 113, a plurality of first holes 111, a plurality of second holes 112, and a plurality of fourth holes 114 are formed in the side wall of the pulverization chamber 11 in this order from top to bottom. The third holes 113 are distributed along the circumferential direction of the crushing chamber 11 and are inclined toward the bottom surface, the first holes 111 are inclined clockwise along the circumferential direction of the crushing chamber 11, the second holes 112 are inclined counterclockwise along the circumferential direction of the crushing chamber 11, and the fourth holes 114 are inclined in the circumferential direction of the crushing chamber 11 and are inclined toward the discharge pipe 12. First hole 111, second hole 112, third hole 113 and fourth hole 114 all advance the pipe 14 intercommunication with first high-pressure draught, advance the pipe 14 through first high-pressure draught and get into towards first hole 111, second hole 112, third hole 113 and fourth hole 114 and let in high-pressure draught, make the different direction spiral rotations of orientation of air current, produce the collision between the material, make the comminuted more thorough.

The implementation principle of the uniform-particle-size airflow crushing device in the embodiment of the application is as follows: high-pressure airflow is introduced through the first high-pressure airflow inlet pipe 14 and the second high-pressure airflow inlet pipe 15, and enters the crushing chamber 11 to generate spiral airflow in different directions. The material gets into crushing room 11 inside through inlet pipe 13, through the impact force of air current, makes collision each other smash between the material, and the material of big granule is located crushing room 11 inner wall periphery through centrifugal force effect, and the material of fine particle is located crushing room 11 central point. The fine material particles are discharged from the discharge pipe 12 by negative pressure, and when the fine material particles are discharged, the fine material particles are filtered by the filter screen 221 and then discharged, so that the discharged material particles are more uniform.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a particle size homogeneous type jet mill device, includes organism (1), be provided with in organism (1) and smash room (11), the intercommunication has inlet pipe (13) on the lateral wall of smashing room (11), the top intercommunication of smashing room (11) has discharging pipe (12), its characterized in that: discharging pipe (12) are close to the one end of smashing room (11) is provided with and is used for carrying out the shake filter mechanism (2) that sieves to the material granule that takes out, shake filter mechanism (2) including filtering component (22) and shake subassembly (21), filtering component (22) set up in discharging pipe (12) and are close to the one end of smashing room (11), shake subassembly (21) and be fixed in on discharging pipe (12) and be used for controlling the shake of filtering component (22).

2. A uniform particle size jet mill apparatus according to claim 1, wherein: the filter assembly (22) comprises a filter screen (221) and a fixing frame (222), the fixing frame (222) is wrapped by the filter screen (221), and the fixing frame (222) and the side wall of the discharge pipe (12) are detachably arranged.

3. A uniform particle size jet mill apparatus according to claim 2, wherein: a plurality of mounting grooves (121) are vertically formed in the inner wall surface of one end, facing the crushing chamber (11), of the discharge pipe (12), the mounting grooves (121) are distributed along the circumferential direction of the discharge pipe (12), a pair of locking grooves (122) are transversely formed in two sides of one end, far away from the crushing chamber (11), of each mounting groove (121), and the locking grooves (122) and the mounting grooves (121) are communicated;

fixed frame (222) are fixed with a plurality of installation pieces (2221) towards the one side of smashing room (11), and are a plurality of installation piece (2221) one-to-one inserts and locates in a plurality of mounting grooves (121), the circumference of installation piece (2221) is provided with a pair of latch segment (2222), two latch segment (2222) slide and insert and locate installation piece (2221) one side dorsad, two latch segment (2222) are inserted and are located in two locking grooves (122), are provided with reset piece (2223) between every two latch segment (2222).

4. A uniform particle size jet mill apparatus according to claim 3, wherein: the inner wall of one end, close to the crushing chamber (11), of the discharge pipe (12) is provided with a step surface (123), and one surface, far away from the mounting block (2221), of the fixing frame (222) is abutted to the step surface (123).

5. A uniform particle size jet mill apparatus according to claim 2, wherein: the utility model discloses a shaking device, including shaking subassembly (21), filter screen (221) set up to elastic material, shaking subassembly (21) include a plurality of eccentric wheels (211) and control a plurality of eccentric wheels (211) pivoted driving piece (212), the arc lateral wall and the filter screen (221) laminating setting of eccentric wheel (211).

6. A uniform particle size jet mill apparatus according to claim 5, wherein: the initial distance between the rotation center of the eccentric wheels (211) and the filter screen (221) is in a decreasing trend.

7. A uniform particle size jet mill apparatus according to claim 1, wherein: the side wall of the crushing chamber (11) is provided with a plurality of first holes (111) and a plurality of second holes (112), the first holes (111) are distributed along the circumferential direction of the crushing chamber (11) in a clockwise inclined mode, the second holes (112) are distributed along the circumferential direction of the crushing chamber (11) in an anticlockwise inclined mode, and the first holes (111) and the second holes (112) are distributed along the axial direction of the crushing chamber (11).

8. A uniform particle size jet mill apparatus according to claim 7, wherein: a plurality of third holes (113) are formed in the side wall of the crushing chamber (11), the third holes (113) are arranged along the circumferential direction of the crushing chamber (11), and each third hole (113) is obliquely arranged towards the bottom surface of the crushing chamber (11).

9. A uniform particle size jet mill apparatus according to claim 8, wherein: a plurality of fourth holes (114) are formed in the side wall of the crushing chamber (11), the fourth holes (114) are arranged along the circumferential direction of the crushing chamber (11), and each fourth hole (114) is obliquely arranged towards the direction of the discharge pipe (12).