CN217164768U

CN217164768U - Rotary collision type air flow crusher

Info

Publication number: CN217164768U
Application number: CN202220525303.5U
Authority: CN
Inventors: 王勇强; 朱晓东
Original assignee: Langfang Xinlongli Machinery Manufacturing Co ltd
Current assignee: Langfang Xinlongli Machinery Manufacturing Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-08-12
Anticipated expiration: 2032-03-11

Abstract

The utility model provides a rotatory clash formula fluid energy mill, include transmission chamber (27) by lower supreme setting gradually, smash room (30), feed chamber (14), hierarchical room (28), transmission chamber (27) are including hollow main shaft (3), driving motor (24), speed reducer (25) and belt pulley (26), driving motor (24) are connected speed reducer (25), speed reducer (25) are connected with hollow main shaft (3) through belt pulley (26), hollow main shaft (3) bottom is connected with rotary joint (2), smash room (30) including gas-distributing pipe (6), smash room casing (9) and internal cavity, internal cavity overlaps and puts in smashing room casing (9), it has nozzle seat (7) to smash the equipartition on room casing (9) circumferencial direction. The inner cavity rotates along with the crushing chamber, so that energy consumption is fully utilized, a good crushing effect is realized, the capacity is improved, and the production cost is reduced.

Description

Rotary collision type air flow crusher

Technical Field

The utility model relates to an air flow crusher, more specifically the formula air flow crusher that says so relates to a rotatory clash belongs to powder processing equipment technical field.

Background

The existing jet mills are of various types such as target type, disc type, collision type, circulating pipe type and fluidized bed type, and all the jet mills have the advantages and disadvantages, and the jet mills of the two types are most widely applied to the jet mills of the collision type of the fluidized bed in consideration of multiple angles such as energy consumption, capacity, fineness and the like. The traditional fluidized bed collision type jet mill sprays supersonic airflow from a fixed spray pipe to drive materials to collide with each other so as to realize crushing, but because the spray pipe has collision dead corners, the movement speed of the materials is low, and good collision crushing cannot be realized; even the materials in the dead angle can not be effectively crushed all the time, thereby influencing the improvement of the performance and the productivity of the equipment.

Disclosure of Invention

An object of the utility model is to provide a rotatory clash formula fluid energy mill to the above-mentioned problem that exists among the prior art.

In order to achieve the above object, the technical solution of the present invention is: a rotary collision type airflow crusher comprises a transmission chamber, a crushing chamber, a feeding chamber and a grading chamber which are sequentially arranged from bottom to top, wherein the transmission chamber comprises a hollow main shaft, a driving motor, a speed reducer and a belt pulley, the driving motor is connected with the speed reducer, the speed reducer is connected with the hollow main shaft through the belt pulley, a rotary joint is connected to the bottom end of the hollow main shaft, the transmission chamber penetrates out of the upper portion of the hollow main shaft, the crushing chamber comprises a gas distribution pipe, a crushing chamber shell and an inner cavity, the inner cavity is sleeved in the crushing chamber shell, the inner cavity is connected with the top end of the hollow main shaft through a grading chamber nut, nozzle seats are uniformly distributed in the circumferential direction of the crushing chamber shell, spray pipes are mounted in the nozzle seats, spaced spray holes are arranged on the circumference of the inner cavity corresponding to the nozzle seat ring, and an outer cavity is sleeved outside the upper portion of the hollow main shaft, and the hollow main shaft is evenly distributed with through holes at intervals in the circumferential direction of the upper part, the bottom of the gas distribution pipe is communicated with an outer cavity, the top of the gas distribution pipe is connected with a nozzle seat, the feeding chamber comprises a feeding chamber shell and a feeding pipe, the feeding pipe is welded and fixed on the feeding chamber shell, the grading chamber comprises a grading wheel, a grading motor and a grading chamber shell, the grading motor is arranged on the grading chamber shell, and the grading wheel is arranged on the grading motor through a grading wheel gland.

And a bearing is arranged between the hollow main shaft and the transmission chamber upper cover.

The bearing is arranged on the bearing seat.

And a sound-proof shield is arranged outside the crushing chamber shell and is fixed by an upper flange of the sound-proof shield at the upper part and a lower flange of the sound-proof shield at the lower part.

The feeding chamber shell is connected with the upper flange of the sound-proof cover through the lower flange of the feeding chamber.

The top of the grading chamber shell is provided with a grading chamber upper flange, and the bottom of the grading chamber shell is connected with the feeding chamber through a grading chamber lower flange.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an inside cavity is rotatory along with smashing the room together, effectively eliminates the collision dead angle problem that exists among the prior art for the energy consumption obtains make full use of, has realized better crushing effect, has improved the productivity, has reduced manufacturing cost.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the device comprises a bottom frame 1, a rotary joint 2, a hollow main shaft 3, a bearing seat 4, a bearing 5, a gas distribution pipe 6, a nozzle pipe seat 7, a nozzle 8, a crushing chamber shell 9, a sound-proof cover 10, a sound-proof cover flange 11, a feeding chamber lower flange 12, a feeding pipe 13, a feeding chamber 14, a feeding chamber upper flange 15, a grading chamber lower flange 16, a grading wheel 17, a discharging port 18, a grading chamber upper flange 19, a grading wheel pressing cover 20, a grading motor 21, a grading chamber nut 22, a manhole 23, a driving motor 24, a speed reducer 25, a belt pulley 26, a transmission chamber 27, a grading chamber 28, a sound-proof cover lower flange 29, a crushing chamber 30, a feeding chamber shell 31 and a grading chamber shell 32.

Detailed Description

The invention is described in further detail below with reference to the following description of the drawings and the detailed description.

Referring to fig. 1, a rotary collision type jet mill comprises a transmission chamber 27, a crushing chamber 30, a feeding chamber 14 and a grading chamber 28 which are arranged in sequence from bottom to top. The transmission chamber 27 comprises a hollow main shaft 3, a driving motor 24, a speed reducer 25 and a belt pulley 26, the driving motor 24 is connected with the speed reducer 25, the speed reducer 25 is connected with the hollow main shaft 3 through the belt pulley 26, the driving motor 24 is connected with the speed reducer 25, and the speed reducer 25 drives the hollow main shaft 3 to rotate through the belt pulley 26; the bottom end of the hollow main shaft 3 is connected with a rotary joint 2, and the upper part of the hollow main shaft 3 penetrates out of the transmission chamber 27. The crushing chamber 30 comprises a gas distribution pipe 6, a crushing chamber shell 9 and an internal cavity, the internal cavity is sleeved in the crushing chamber shell 9, and the internal cavity is connected with the top end of the hollow main shaft 3 through a grading chamber nut 22 and drives the internal cavity to rotate. Spray pipe seats 7 are uniformly welded on the circumference of the crushing chamber shell 9, spray pipes 8 are arranged in the spray pipe seats 7, and spray holes at intervals are arranged on the circumference of the inner cavity corresponding to the spray pipe seats 7 in a surrounding manner; an outer cavity is sleeved outside the upper part of the hollow main shaft 3, through holes are uniformly distributed in the circumferential direction of the upper part of the hollow main shaft 3 at intervals, the bottom of the gas distribution pipe 6 is communicated with the outer cavity, and the top of the gas distribution pipe 6 is connected with the nozzle seat 7 in a fast assembly mode. The feed chamber 14 comprises a feed chamber shell 31 and a feed pipe 13, and the feed pipe 13 is welded and fixed on the feed chamber shell 31. The grading chamber 28 comprises a grading wheel 17, a grading motor 21 and a grading chamber shell 32, the grading motor 21 is mounted on the grading chamber shell 32 through a bolt, and the grading wheel 17 is mounted on the grading motor 21 through a grading wheel gland 20.

Referring to fig. 1, a bearing 5 is arranged between the hollow main shaft 3 and the upper cover of the transmission chamber 27.

Referring to fig. 1, the bearing 5 is mounted on a bearing housing 4.

Referring to fig. 1, a sound-proof housing 10 is arranged outside the housing 9 of the pulverizing chamber, the sound-proof housing 10 is fixed by an upper sound-proof housing flange 11 at the upper part and a lower sound-proof housing flange 29 at the lower part, and the sound-proof housing 10 is connected with the transmission chamber 27 by the lower sound-proof housing flange 29.

Referring to fig. 1, the feed chamber housing 31 is connected to the soundproof cover upper flange 11 via the feed chamber lower flange 12, so that the feed chamber housing 31 is connected to the soundproof cover 10.

Referring to fig. 1, the top of the classifying chamber shell 32 is provided with a classifying chamber upper flange 19 for sealing, and the bottom of the classifying chamber shell 32 is connected with the feeding chamber 14 through a classifying chamber lower flange 16.

Referring to fig. 1, when the device works, the hollow spindle 3 is driven to rotate by the driving motor 24 and the speed reducer 25 in the transmission chamber 27, and the hollow spindle 3 drives the inner cavity to rotate; external compressed air enters the hollow main shaft 3 from the rotary adapter 2 and enters each spray pipe 8 through the gas distribution pipe 6. The materials enter the feeding chamber 14 from the feeding pipe 13, settle to the crushing chamber 30 under the action of self-generated gravity, and are driven by supersonic airflow sprayed from the spray pipe 8 to collide with each other to realize crushing. The collided materials rise to a grading chamber 28 under the action of external negative pressure, the materials meeting the particle size requirement are discharged through a discharge hole 18 after being graded by a grading wheel 17, and the materials with overlarge particle sizes sink to a crushing chamber 30 under the action of centrifugal force of the grading wheel and self-generated gravity and are crushed again; finally, the collision function of the selected nozzle is realized, the feeding position is unchanged, and the collision dead angle is eliminated.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, above-mentioned structure should all be regarded as belonging to the utility model discloses a protection scope.

Claims

1. A rotary collision type jet mill is characterized in that: comprises a transmission chamber (27), a crushing chamber (30), a feeding chamber (14) and a grading chamber (28) which are sequentially arranged from bottom to top, wherein the transmission chamber (27) comprises a hollow main shaft (3), a driving motor (24), a speed reducer (25) and a belt pulley (26), the driving motor (24) is connected with the speed reducer (25), the speed reducer (25) is connected with the hollow main shaft (3) through the belt pulley (26), the bottom end of the hollow main shaft (3) is connected with a rotary joint (2), the upper part of the hollow main shaft (3) penetrates out the transmission chamber (27), the crushing chamber (30) comprises a gas distribution pipe (6), a crushing chamber shell (9) and an internal cavity, the internal cavity is sleeved in the crushing chamber shell (9), the internal cavity is connected with the top end of the hollow main shaft (3) through a grading chamber nut (22), and spray pipe seats (7) are uniformly distributed on the circumference of the crushing chamber shell (9), a spray pipe (8) is arranged in the spray pipe seat (7), the circumference of the inner cavity is provided with spray holes at intervals corresponding to the spray pipe seat (7) in a surrounding way, the outer part of the upper part of the hollow main shaft (3) is sleeved with an outer cavity, through holes are uniformly distributed on the upper part of the hollow main shaft (3) at intervals in the circumferential direction, the bottom of the gas distribution pipe (6) is communicated with the outer cavity, the top of the gas distribution pipe (6) is connected with a nozzle base (7), the feeding chamber (14) comprises a feeding chamber shell (31) and a feeding pipe (13), the feeding pipe (13) is welded and fixed on the feeding chamber shell (31), the grading chamber (28) comprises a grading wheel (17), a grading motor (21) and a grading chamber shell (32), the grading motor (21) is arranged on the grading chamber shell (32), and the grading wheel (17) is arranged on the grading motor (21) through a grading wheel gland (20).

2. A rotary opposed jet mill according to claim 1, characterized in that: and a bearing (5) is arranged between the hollow main shaft (3) and the upper cover of the transmission chamber (27).

3. A rotary opposed jet mill according to claim 2, characterized in that: the bearing (5) is arranged on the bearing seat (4).

4. A rotary opposed jet mill according to claim 1, characterized in that: and a sound-proof shield (10) is arranged outside the crushing chamber shell (9), and the sound-proof shield (10) is fixed by an upper sound-proof shield flange (11) at the upper part and a lower sound-proof shield flange (29) at the lower part.

5. A rotary opposed jet mill according to claim 1, characterized in that: the feeding chamber shell (31) is connected with the upper flange (11) of the sound-proof cover through the lower flange (12) of the feeding chamber.

6. A rotary opposed jet mill according to claim 1, characterized in that: the top of the grading chamber shell (32) is provided with a grading chamber upper flange (19), and the bottom of the grading chamber shell (32) is connected with the feeding chamber (14) through a grading chamber lower flange (16).