CN217450575U

CN217450575U - Jet mill separation device

Info

Publication number: CN217450575U
Application number: CN202123217339.1U
Authority: CN
Inventors: 张力; 田佳豪; 陈彦彬
Original assignee: Beijing Easpring Material Technology Co Ltd
Current assignee: Beijing Easpring Material Technology Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-09-20
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to an air current grinds equipment technical field, specific theory is an air current grinds separator. The separation device comprises a cyclone separator and a turbulence component connected to the lower part of the cyclone separator through a pipeline, and the turbulence component is an intermittent turbulence component. The turbulent flow component intermittently feeds air to the cyclone separator, so that the air pressure and material balance at the bottom of the turbulent flow component are broken, the output of ultrafine powder is reduced, and the production cost is saved.

Description

Jet mill separation device

Technical Field

The utility model relates to an air current grinds equipment technical field, specific theory is an air current grinds separator.

Background

The existing jet mill comprises an air compressor, an air source purification system, a feeding system, a mill body, a finished product collection system and a control cabinet, wherein the finished product collection system comprises a cyclone separator and a bag type dust collector, the mill body crushes materials, generated particle materials are brought into the cyclone separator by inlet gas to be subjected to gas-solid separation, most of the particle materials fall down due to the action of gravity and are collected by a discharge hole at the bottom of the cyclone separator, a small part of superfine powder is carried into the bag type dust collector by outlet gas at the top of the cyclone separator to be filtered, and the filtered clean gas is recycled.

However, the particle materials generated by the milling body enter the cyclone separator at a high speed along with the inlet gas, the particle materials and the gas form a spiral flow field in the cyclone separator, and a part of the particle materials collide with each other in the high-speed rotation process and are continuously crushed into ultrafine powder, so that excessive ultrafine powder enters the bag filter along with the outlet gas, the materials are wasted, the service life of the bag filter is shortened, the filter needs to be stopped for cleaning or replacing, the stable operation time of the jet mill is shortened, the jet mill is not beneficial to continuous production, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air current grinds separator not only can reduce the superfine powder quantity that generates in the cyclone, but also can reduce the superfine powder that the export gas carried.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

an air-flow mill separation device comprising:

the cyclone separator is provided with a feed inlet on the side surface of the upper part, an air outlet on the top and a discharge outlet on the bottom, and the air outlet is connected with an exhaust pipe inserted into the cyclone separator to a certain depth;

and the turbulence component is an intermittent turbulence component and is connected to the lower part of the cyclone separator through a pipeline.

One end, far away from the cyclone separator, of the turbulence assembly is connected with an air compressor.

Preferably, the flow disturbance assembly is an intermittent air intake flow disturbance assembly.

More preferably, the vortex subassembly includes flow control device, pressure adjusting device and the electron pulse equipment that connects gradually, flow control device establishes and is close to cyclone separator one end, the electron pulse equipment sets up and is keeping away from cyclone separator's one end.

The flow regulating device can comprise a manual regulating valve, an electric regulating valve and a pneumatic regulating valve.

The pressure regulating device includes a pressure regulating valve.

The utility model discloses a theory of operation does:

particle materials (containing ultrafine powder) generated by the grinding body and inlet gas enter the cyclone separator from the feed inlet of the cyclone separator in a tangential manner at a high-speed linear speed, a downward rotating outward cyclone flow is formed in an annular space between the outer wall of the cyclone separator and the exhaust pipe, the particle materials are thrown to the outer wall of the cyclone separator under the action of centrifugal force, lose inertia after contacting with the outer wall, fall to the bottom of the cyclone separator under the action of gravity, and are collected by the discharge outlet to serve as products. During the high-speed rotation process, a part of particle materials are continuously collided to generate ultrafine powder. The outer cyclone airflow which rotates and descends continuously flows into the central part of the cyclone separator in the descending process to form centripetal radial airflow, the airflow is bent upwards to form inner cyclone airflow when reaching the bottom of the cyclone separator, the superfine powder which does not fall down under the action of gravity is converged with the ascending inner cyclone airflow, and the superfine powder enters the exhaust pipe and is discharged through the exhaust port.

The vortex subassembly is started, air compressor produces the vortex air, electron pulse equipment intermittent type formula control vortex air gets into cyclone bottom through vortex trachea way, frequently break cyclone bottom pressure balance and the stress balance of granule material, make the outer vortex air current that drives the high-speed rotation of granule material receive the vortex effect, reduce the high-speed collision between the granule material, reduce the production of superfine powder, make the superfine powder difficult for being rolled up by interior vortex air current to rise and get into the blast pipe simultaneously, but discharge from the lower part bin outlet more easily, the superfine powder that export gas was taken away has been reduced.

The flow and pressure of the turbulent air entering the cyclone separator are adjusted by the flow adjusting device and the pressure adjusting device.

The parameters of the turbulence component are adjusted as required, the electronic pulse equipment controls the air inlet frequency and time of turbulence air, the flow regulating device regulates the flow of the turbulence air, the pressure regulating device regulates the pressure of the turbulence air, and the three realize the synergistic effect, so that the turbulence air generates a better turbulence effect on the outer and inner cyclone air flows in the cyclone separator, the collision of particle materials in the high-speed rotation process is reduced, and the generation of ultrafine powder is reduced.

Compared with the prior art, the utility model has the advantages of as follows:

the utility model has simple structure and reliable control, breaks the air pressure and the material balance at the bottom of the cyclone separator through intermittent air inlet, not only can reduce the quantity of ultrafine powder generated by material collision in the cyclone separator, increase the yield of qualified particle size materials, save materials, improve the yield and save the production cost; and the ultrafine powder carried by the gas at the outlet can be reduced, the filtering capacity of the bag filter is reduced, the service life of the bag filter is prolonged, the effective running time of the jet mill is prolonged, and the cost and the yield are reduced.

Drawings

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

In the figure: 1-cyclone separator, 2-feeding inlet, 3-air outlet, 4-exhaust pipe, 5-discharging outlet, 6-air compressor, 7-flow regulator, 8-pressure regulator and 9-electronic pulse equipment.

Detailed Description

The terms as used herein:

"prepared from … …" is synonymous with "comprising". The terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "containing," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, process, method, article, or apparatus.

When an amount, concentration, or other value or parameter is expressed as a range, preferred range, or as a range of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when the range "1 ~ 5" is disclosed, the ranges described should be interpreted to include the ranges "1 ~ 4", "1 ~ 3", "1 ~ 2 and 4 ~ 5", "1 ~ 3 and 5", and the like. When a range of values is described herein, unless otherwise stated, the range is intended to include the endpoints thereof and all integers and fractions within the range.

"and/or" is used to indicate that one or both of the illustrated conditions may occur, e.g., a and/or B includes (a and B) and (a or B).

The technical solutions of the present invention will be described in detail with reference to specific examples, but those skilled in the art will understand that the following examples are only illustrative of the present invention and should not be construed as limiting the scope of the present invention.

Example 1

As shown in fig. 1, a jet mill separation device includes:

the cyclone separator 1 is provided with a feeding hole 2 on the side surface of the upper part, an air outlet 3 on the top and a discharge hole 5 on the bottom, wherein the air outlet 3 is connected with an exhaust pipe 4 inserted into the cyclone separator to a certain depth;

and the intermittent turbulence assembly is connected to the cyclone separator 1 through a pipeline.

One end of the intermittent turbulence assembly, which is far away from the cyclone separator 1, is connected with an air compressor 6.

The intermittent burbling assembly is an intermittent air intake burbling assembly and comprises a flow regulating device 7, a pressure regulating device 8 and an electronic pulse device 9 which are connected in sequence.

In the present embodiment, the flow rate adjusting device 7 is a manual adjusting valve.

The pressure regulating device 8 is a pressure regulating valve.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Claims

1. A jet mill separation device comprises a cyclone separator and is characterized by also comprising a turbulence component connected to the lower part of the cyclone separator through a pipeline; the turbulent flow component is an intermittent turbulent flow component; the flow disturbing assembly comprises a flow regulating device, a pressure regulating device and an electronic pulse device which are connected in sequence.

2. The separation device of claim 1, wherein the flow perturbation assembly is an intermittent air intake flow perturbation assembly.

3. The separation device of claim 1, wherein the flow regulating device comprises a manual regulating valve.

4. The separation device of claim 1, wherein the flow regulating device comprises an electrically operated regulating valve.

5. The separation device of claim 1, wherein the flow regulating device comprises a pneumatic regulating valve.

6. The separation device of claim 1, wherein the pressure regulating device comprises a pressure regulating valve.

7. The separation device of claim 1, wherein an air compressor is connected to an end of the baffle assembly remote from the cyclonic separator.

8. The separation device of claim 1, wherein the cyclone separator is provided with a feed inlet at the upper side, an air outlet at the top and a discharge outlet at the bottom, and the air outlet is connected with an exhaust pipe inserted into the cyclone separator to a certain depth.