CN219150342U

CN219150342U - Air flow superfine pulverizer

Info

Publication number: CN219150342U
Application number: CN202320110009.2U
Authority: CN
Inventors: 陈雄飞; 陈思远
Original assignee: Lianyungang Phillips Pharmaceutical Equipment Co ltd
Current assignee: Lianyungang Phillips Pharmaceutical Equipment Co ltd
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-06-09
Anticipated expiration: 2033-01-17

Abstract

The airflow superfine pulverizer comprises a frame, a pulverizing chamber is arranged on the frame, a material input pipeline which is obliquely arranged is fixedly communicated with one side of the top of the pulverizing chamber, a material input port and a compressed air input port I are arranged on the material input pipeline, and a venturi nozzle is also arranged on the material input pipeline; a distribution chamber is fixedly sleeved outside the crushing chamber, a distribution cavity is reserved between the distribution chamber and the crushing chamber, a unidirectional nozzle is arranged in the circumferential direction of the crushing chamber, and a compressed air input port II is arranged on the distribution chamber; the frame is also provided with a compressed air supply mechanism which comprises an air compressor, the air compressor is communicated with the compressed air input I and the compressed air input II through a compressed air conveying pipeline, and the compressed air conveying pipeline is also provided with a cooler, an air storage tank and a dryer. The application handles the compressed air of input, can effectively improve the crushing effect to the material, satisfies actual crushing requirement.

Description

Air flow superfine pulverizer

Technical Field

The utility model relates to an airflow pulverizer, in particular to an airflow ultrafine pulverizer.

Background

The jet mill consists of a series of parts which are connected with each other, and the jet mill is used for treating dry powder to obtain particles with very small particle size distribution interval, and the core of the jet mill is that the grinding of the materials is realized according to the self-grinding principle of the materials, the grinding power is air, so that the input air and how the input air are very critical, the existing jet mill generally directly inputs the generated compressed air, the oil removal and dehumidification are not carried out, the grinding effect of the materials is affected, the air pressure is not stable enough, the input uniformity is also not enough, the grinding effect cannot meet the actual use requirement more and more, and particularly, the superfine grinding requirement of the materials is difficult to meet.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an airflow ultrafine pulverizer capable of treating input compressed air so as to be beneficial to improving the pulverizing effect and meeting the pulverizing requirement.

The technical problems to be solved by the utility model are realized by the following technical proposal. The utility model relates to an airflow ultrafine pulverizer, which comprises a frame, wherein a pulverizing chamber for pulverizing materials is arranged on the frame, a material input pipeline which is obliquely arranged is fixedly communicated with one side of the top of the pulverizing chamber, a material input port and a compressed air input port I are arranged on the material input pipeline, a material feeder is communicated with the material input port, and a venturi nozzle is also arranged on the material input pipeline; a distribution chamber is fixedly sleeved outside the crushing chamber, a distribution cavity is reserved between the distribution chamber and the crushing chamber, a plurality of unidirectional nozzles communicated with the distribution cavity are arranged in the circumferential direction of the crushing chamber, and a compressed air input port II communicated with the distribution cavity is arranged on the distribution chamber;

the frame is also provided with a compressed air supply mechanism which comprises an air compressor, the air compressor is communicated with the compressed air input I and the compressed air input II through a compressed air conveying pipeline, and the compressed air conveying pipeline is also provided with a cooler, an air storage tank and a dryer;

the cyclone separator is also installed on the frame, a central outlet pipe is arranged in the middle of the top of the crushing chamber, and an input port of the cyclone separator is communicated with the central outlet pipe.

The technical problem to be solved by the utility model can be further solved by the following technical scheme, and for the airflow superfine pulverizer, the inclination angle of the material input pipeline is 30-45 degrees.

The technical problem to be solved by the utility model can be further solved by the following technical scheme, and the material input pipeline of the airflow superfine pulverizer is fixedly sleeved with a silencing layer made of silencing materials.

The technical problem to be solved by the utility model can be further solved by the following technical scheme, and for the airflow ultrafine grinder, 6 or 8 unidirectional nozzles are arranged, and 6 or 8 unidirectional nozzles are uniformly distributed along the circumferential direction of the grinding chamber.

The technical problem to be solved by the utility model can be further solved by the following technical scheme, and for the airflow ultrafine grinder, the included angle between the jet direction of the unidirectional nozzle and the outer wall of the grinding chamber is arranged at an acute angle.

The technical problem to be solved by the utility model can be further solved by the following technical scheme, and for the airflow superfine pulverizer, the surface of the inner wall of the pulverizing chamber is an uneven wear-resistant surface.

The technical problem to be solved by the utility model can be further solved by the following technical scheme, and the air jet superfine pulverizer is provided with a pressure gauge on the air storage tank.

The technical problem to be solved by the utility model can be further solved by the following technical scheme, and for the airflow superfine pulverizer, the material feeder is a double-screw feeder.

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

1. the air compressor of the application sends out compressed air with a certain temperature, the compressed air is cooled by the cooler and then is pressed into the air storage tank, then the air storage tank is subjected to oil removal and water removal treatment in the dryer to form pure normal-temperature compressed air, the pure normal-temperature compressed air is divided into two paths, one path of compressed air enters the material input pipeline to enable material particles to enter the crushing chamber in an accelerating way, and the other path of compressed air enters the crushing chamber to increase the power for crushing materials, so that the crushing effect is effectively ensured;

2. the design through air tank and distribution room can enough guarantee compressed air's atmospheric pressure stability, can guarantee the homogeneity in the compressed air input crushing room again to effectively drive the material and carry out collision each other, friction, shearing and smash in the crushing room, reach superfine crushing effect.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, an airflow ultrafine pulverizer comprises a frame 1, wherein a pulverizing chamber 2 for pulverizing materials is arranged on the frame 1, a material input pipeline 3 which is obliquely arranged is fixedly communicated with one side of the top of the pulverizing chamber 2, and specifically, the inclination angle of the material input pipeline 3 is 30-45 degrees; the material input pipeline 3 is provided with a material input port and a compressed air input port I, the material input port is communicated with a material feeder 4, the material input port is used for inputting materials, the compressed air input port I is used for inputting compressed air, so that the materials can be conveniently and rapidly input into the crushing chamber 2 by using the compressed air, the crushing treatment of the materials can be conveniently realized, the material input pipeline 3 is also provided with a Venturi nozzle 5, the input speed of the materials can be further increased, the materials can be conveniently input into the crushing chamber 2 at a higher speed, and the crushing of the materials can be better realized; the material feeder 4 is used for inputting materials into the material input pipeline 3, and preferably, the material feeder 4 is a double-screw feeder;

in order to reduce the noise of material input, a silencing layer made of silencing materials is fixedly sleeved on the material input pipeline 3 and used for playing a role in sound insulation and noise reduction;

a distribution chamber 6 is fixedly sleeved outside the crushing chamber 2, a distribution cavity is reserved between the distribution chamber 6 and the crushing chamber 2, a plurality of unidirectional nozzles 7 communicated with the distribution cavity are arranged in the circumferential direction of the crushing chamber 2, and a compressed air input port II communicated with the distribution cavity is arranged on the distribution chamber 6; the distribution cavity and the unidirectional nozzle 7 are arranged to be matched with each other, so that high-speed air flow is conveniently and uniformly input into the crushing chamber 2, and materials are conveniently driven to do circular motion, so that the material particles and the machine body and the material particles are mutually impacted, collided and rubbed to be crushed, and the crushing effect is ensured;

preferably, 6 or 8 unidirectional nozzles 7 are arranged, and 6 or 8 unidirectional nozzles 7 are uniformly distributed along the circumferential direction of the crushing chamber 2, so that compressed air can be conveniently and comprehensively and uniformly input into the crushing chamber 2, the crushing effect of materials can be conveniently improved, and the superfine crushing requirement can be met;

in order to enable the compressed air in the input crushing chamber 2 to drive the material particles to rotate better, the power is improved for crushing the material particles, the included angle between the spraying direction of the unidirectional nozzle 7 and the outer wall of the crushing chamber 2 is set at an acute angle, so that after the compressed air is input into the crushing chamber 2, the material particles and the crushing chamber 2 as well as the material particles can be crushed by mutual impact, collision and friction, the crushing effect is improved, and the superfine crushing requirement is achieved.

In order to further improve the crushing effect of the material, the surface of the inner wall of the crushing chamber 2 is an uneven wear-resistant surface, so that better crushing effect can be achieved when the material particles collide with the wear-resistant surface, and the service life of the crushing chamber 2 is prolonged.

The frame 1 is also provided with a compressed air supply mechanism, the compressed air supply mechanism comprises an air compressor 8, the air compressor 8 is communicated with a compressed air input I and a compressed air input II through a compressed air conveying pipeline, and the compressed air conveying pipeline is also provided with a cooler 9, an air storage tank 10 and a dryer 11; the air compressor 8 is used for generating compressed air, the cooler 9 is used for cooling the generated compressed air, so that the compressed air is conveniently pressed into the air storage tank 10, the dryer 11 is used for drying the compressed air so as to achieve the purposes of removing oil and water, so that pure normal-temperature compressed air is conveniently obtained, the influence on materials is avoided, and the crushing effect of the materials is ensured; the arrangement of the air storage tank 10 helps to ensure that the air pressure of the compressed air is relatively stable, so that the crushing stability of the subsequent material particles is ensured; the air storage tank 10 is also provided with a pressure gauge 13 which is convenient for controlling the air pressure of the compressed air in real time so as to ensure the air pressure stability of the compressed air grid.

The frame 1 is also provided with a cyclone separator 12, the middle part of the top of the crushing chamber 2 is provided with a central outlet pipe, and the input port of the cyclone separator 12 is communicated with the central outlet pipe. The cyclone separator 12 is configured to separate the crushed material particles, collect the crushed fine powder, and discharge the remaining exhaust gas.

When the cyclone separator is used, materials to be crushed are input into the material input pipeline 3 from the material input port, compressed air is input into the material input pipeline 3 from the compressed air input port I, the compressed air is converged and accelerated to supersonic speed by the Venturi nozzle 5 to be introduced into the crushing chamber 2, meanwhile, the other path of compressed air enters the distribution chamber 6 through the inlet, the distribution chamber 6 is communicated with the crushing chamber 2, the compressed air flow generates supersonic speed even thousands of meters per second when passing through the unidirectional nozzle 7 under the self pressure, and is input into the crushing chamber 2, the unidirectional nozzle 7 forms an acute angle with the crushing chamber 2, so that the jet rotational flow enters the crushing chamber 2 and drives the materials to circularly move in the crushing chamber 2, the material particles and the inner wall of the crushing chamber 2 and the material particles generate mutual impact, collision and friction to be crushed, coarse powder is thrown to the peripheral wall of the crushing chamber 2 under the centrifugal force to circularly crush, the fine particles are introduced into the central outlet pipe of the crushing chamber 2 to be trapped by the cyclone separator 12, finally, the fine particles move spirally in the cyclone separator 12 to slowly descend into the storage hopper, and then the rest waste gas is discharged outwards by the discharge pipe of the cyclone separator 12.

Claims

1. An airflow superfine pulverizer is characterized in that: the device comprises a frame, wherein a crushing chamber for crushing materials is arranged on the frame, a material input pipeline which is obliquely arranged is fixedly communicated with one side of the top of the crushing chamber, a material input port and a compressed air input port I are arranged on the material input pipeline, a material feeder is communicated with the material input port, and a venturi nozzle is further arranged on the material input pipeline; a distribution chamber is fixedly sleeved outside the crushing chamber, a distribution cavity is reserved between the distribution chamber and the crushing chamber, a plurality of unidirectional nozzles communicated with the distribution cavity are arranged in the circumferential direction of the crushing chamber, and a compressed air input port II communicated with the distribution cavity is arranged on the distribution chamber;

2. The airflow ultrafine pulverizer as set forth in claim 1, wherein: the inclination angle of the material input pipeline is 30-45 degrees.

3. The jet mill according to claim 1 or 2, characterized in that: and a silencing layer made of silencing material is fixedly sleeved on the material input pipeline.

4. The airflow ultrafine pulverizer as set forth in claim 1, wherein: the unidirectional nozzles are provided with 6 or 8 unidirectional nozzles, and the 6 or 8 unidirectional nozzles are uniformly distributed along the circumferential direction of the crushing chamber.

5. The jet mill according to claim 1 or 4, wherein: the included angle between the jet direction of the unidirectional nozzle and the outer wall of the crushing chamber is an acute angle.

6. The airflow ultrafine pulverizer as set forth in claim 1, wherein: the surface of the inner wall of the crushing chamber is an uneven wear-resistant surface.

7. The airflow ultrafine pulverizer as set forth in claim 1, wherein: a pressure gauge is also arranged on the air storage tank.

8. The airflow ultrafine pulverizer as set forth in claim 1, wherein: the material feeder is a double-screw feeder.