CN216638160U

CN216638160U - Dry method vacuum dust-collecting system

Info

Publication number: CN216638160U
Application number: CN202122910302.0U
Authority: CN
Inventors: 石亮成; 王富; 丁继中
Original assignee: Qinghai Lihao Semiconductor Material Co ltd
Current assignee: Qinghai Lihao Semiconductor Material Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-05-31
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a dry vacuum dust collection system, and relates to the field of dry dust collection. The dry vacuum cleaning system comprises: the air inlet pipe and the connecting pipe are respectively arranged on two sides of the first dust collection box; the side wall of the second dust collection box is fixedly connected with the connecting pipe, a filter layer is arranged inside the second dust collection box, the inside of the second dust collection box is divided into a clean air bin and a dust collection bin through the filter layer, a plurality of dust collection cloth bags are arranged inside the dust collection bin, and an exhaust pipe is fixedly connected to the top of the second dust collection box. This dry process vacuum dust collection system through first dust collection box and second dust collection box, dual collection to greatly increased the collection volume of silica flour, compared with current hydrologic cycle silica flour vacuum pump, reduced the production water consumption, sewage treatment volume reduces the power consumption, has solved the silica flour pump problem of preventing frostbite in winter, has reduced reduction dismouting stove work load, raises the efficiency.

Description

Dry vacuum dust collection system

Technical Field

The utility model relates to the technical field of dry dust collection, in particular to a dry vacuum dust collection system.

Background

In the prior art, silicon powder is pumped by using a water circulation silicon powder vacuum pump, a reduction water circulation vacuum pump needs to consume a large amount of water in the process of vacuumizing, but the production of water and the discharge of production water are difficult, the production water needed by water circulation silicon powder pumping is about 2-4 tons per day, the wastewater treatment cost is also high, the silicon powder pump needs to be started for freezing prevention in 24 hours in winter, the power consumption is high, the power consumption of a whole plant is increased, and the cost is increased, so that a dry vacuum dust collection system is provided for replacing the existing water circulation silicon powder vacuum pump technology.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention discloses a dry vacuum cleaning system to solve the problems set forth in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a dry vacuum cleaning system comprising:

the dust collecting device comprises a first dust collecting box, a second dust collecting box and a dust collecting device, wherein an air inlet pipe and a connecting pipe are respectively arranged on two sides of the first dust collecting box, and the bottom of the first dust collecting box is conical;

the side wall of the second dust collection box is fixedly connected with the connecting pipe, a filter layer is arranged inside the second dust collection box, the inside of the second dust collection box is divided into a gas purification bin and a dust collection bin through the filter layer, a plurality of dust collection cloth bags are arranged inside the dust collection bin, an exhaust pipe is fixedly connected to the top of the second dust collection box, and the bottom of the second dust collection box is conical.

Preferably, the air intake duct is equipped with a fan.

Preferably, a first dust outlet is fixed at the bottom of the first dust collection box, and a second dust outlet is fixed at the bottom of the second dust collection box.

Preferably, the outer surface of the second dust collecting box is fixedly connected with an air storage tank, and the air storage tank is fixedly connected with a plurality of air injection pipes.

Preferably, the bottom of each air injection pipe is fixedly connected with a plurality of air injection heads, and the plurality of air injection heads penetrate through the filter layer respectively and are inserted into the top ends of the plurality of dust collecting cloth bags.

The utility model discloses a dry vacuum dust collection system, which has the following beneficial effects:

1. the dry vacuum dust collection system comprises a fan, wherein gas rich in silicon powder is pumped into a first dust collection box, the gas rich in silicon powder impacts the inner wall of the first dust collection box, larger silicon powder particles move downwards under the action of gravity, the large silicon powder particles are gathered at the bottom of the first dust collection box, small silicon powder particles enter a second dust collection box and then are attached to the outer surfaces of a plurality of dust collection cloth bags, a gas storage tank injects gas towards a plurality of gas injection pipes, the gas in the gas injection pipes is sprayed out through a plurality of gas injection heads to vibrate the plurality of dust collection cloth bags, so that the silicon powder particles attached to the outer surfaces of the plurality of dust collection cloth bags fall downwards until all the silicon powder particles are gathered at the bottom of the second dust collection box, at the moment, a first dust outlet at the bottom of the first dust collection box and a second dust outlet at the bottom of the second dust collection box are opened, and the larger particles and the smaller silicon powder particles are collected, the dual collection greatly increases the collection amount of the silicon powder, reduces the production water consumption and the sewage treatment amount compared with the existing water circulation silicon powder vacuum pump, reduces the power consumption, solves the problem of the anti-freezing of the silicon powder pump in winter, reduces the workload of the reduction dismantling furnace, and improves the efficiency.

2. According to the dry vacuum dust collection system, after small-particle silicon powder enters the second dust collection box, the air flow flows upwards, then the small-particle silicon powder is attached to the outer surfaces of the plurality of dust collection cloth bags, then the air flow continues upwards, the air flow is in contact with the filter layer, the silicon powder particles cannot pass through the filter layer and fall downwards, the air flow passes through the filter layer and moves upwards to enter the clean air bin, and then the air flow is discharged through the exhaust pipe.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: 1. a first dust collecting box; 2. a second dust collecting box; 3. an air inlet pipe; 4. a connecting pipe; 5. a filtering layer; 6. a gas purification bin; 7. a dust collection bin; 8. a dust collecting cloth bag; 9. an exhaust pipe; 10. a fan; 11. a first dust outlet; 12. a first dust outlet; 13. a gas storage tank; 14. a gas ejector tube; 15. a gas showerhead.

Detailed Description

The embodiment of the utility model discloses a dry vacuum dust collection system.

Referring to fig. 1, the method includes:

the dust collecting device comprises a first dust collecting box 1, wherein an air inlet pipe 3 and a connecting pipe 4 are respectively arranged on two sides of the first dust collecting box 1, and the bottom of the first dust collecting box 1 is conical;

the side wall of the second dust collection box 2 is fixedly connected with a connecting pipe 4, a filter layer 5 is arranged inside the second dust collection box 2, the inside of the second dust collection box 2 is divided into a clean air bin 6 and a dust bin 7 through the filter layer 5, a plurality of dust collection cloth bags 8 are arranged inside the dust bin 7, an exhaust pipe 9 is fixedly connected to the top of the second dust collection box 2, the bottom of the second dust collection box 2 is conical, and a fan 10 is assembled on the air inlet pipe 3;

through the fan 10 that sets up, the gaseous suction of the rich silica flour is to first dust collection box 1, and on the gas impact of the rich silica flour was to the inner wall of first dust collection box 1, the silica flour of great granule moved down under the effect of gravity, and the silica flour gathering of big granule is in the bottom of first dust collection box 1, and the silica flour of small granule enters into second dust collection box 2 back, attaches to the surface of a plurality of collection dirt sack 8.

A first dust outlet 11 is fixed at the bottom of the first dust collection box 1, a second dust outlet 12 is fixed at the bottom of the second dust collection box 2, an air storage tank 13 is fixedly connected to the outer surface of the second dust collection box 2, and a plurality of air injection pipes 14 are fixedly connected to the air storage tank 13;

gas holder 13 injects into gas towards a plurality of gas-jet pipes 14, the gas in the gas-jet pipe 14 is spout via a plurality of gas-jet heads 15, from producing the vibration to a plurality of collection dirt sack 8, make the surface silica flour granule attached to a plurality of collection dirt sacks 8 fall downwards, until whole gathering in the bottom of second dust collection box 2, open the first dust outlet 11 of first dust collection box 1 bottom and the second dust outlet 12 of second dust collection box 2 bottom this moment, collect the silica flour of great granule and less granule, double collection, thereby greatly increased the collection volume of silica flour.

The bottom of the plurality of air injection pipes 14 is fixedly connected with a plurality of air injection heads 15, and the plurality of air injection heads 15 respectively penetrate through the filter layer 5 and are inserted into the top ends of the plurality of dust collecting cloth bags 8.

The working principle is as follows: in the using process, the air rich in silicon powder is pumped into the first dust collection box 1 through the arranged fan 10, the air rich in silicon powder impacts the inner wall of the first dust collection box 1, the large-particle silicon powder moves downwards under the action of gravity, then the large-particle silicon powder is gathered at the bottom of the first dust collection box 1, and the small-particle silicon powder enters the connecting pipe 4 along with the air flow and then enters the second dust collection box 2;

after the small-particle silicon powder enters the second dust collection box 2, the airflow flows upwards, then the small-particle silicon powder is attached to the outer surfaces of the plurality of dust collection cloth bags 8, then the airflow continues upwards, the airflow is in contact with the filter layer 5, the silicon powder particles cannot fall downwards after passing through the filter layer 5, and the airflow passes through the filter layer 5 to move upwards and enter the clean air bin 6 and then is discharged through the exhaust pipe 9;

after the fan 10 stops pumping air, a large amount of silicon powder particles are attached to the outer surfaces of the plurality of dust collecting cloth bags 8 at the moment, the air storage tank 13 injects air towards the plurality of air injection pipes 14, the air in the air injection pipes 14 is sprayed out through the plurality of air injection heads 15 to vibrate the plurality of dust collecting cloth bags 8, so that the silicon powder particles attached to the outer surfaces of the plurality of dust collecting cloth bags 8 fall downwards until all the silicon powder particles are gathered at the bottom of the second dust collecting box 2, at the moment, the first dust outlet 11 at the bottom of the first dust collecting box 1 and the second dust outlet 12 at the bottom of the second dust collecting box 2 are opened, the silicon powder with larger particles and smaller particles is collected and doubly collected, thereby the collection amount of the silicon powder is greatly increased, compared with the existing water circulation silicon powder vacuum pump, the production water consumption and the sewage treatment amount are reduced, the electricity consumption is reduced, the anti-freezing problem of the silicon powder pump in winter is solved, and the workload of the reduction dismantling furnace is reduced, the efficiency is improved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A dry vacuum cleaning system, comprising:

the dust collection box comprises a first dust collection box (1), wherein an air inlet pipe (3) and a connecting pipe (4) are respectively arranged on two sides of the first dust collection box (1), and the bottom of the first dust collection box (1) is conical;

the dust collecting device comprises a second dust collecting box (2), wherein the side wall of the second dust collecting box (2) is fixedly connected with a connecting pipe (4), a filter layer (5) is arranged inside the second dust collecting box (2), the inner part of the second dust collecting box (2) is a gas purifying bin (6) and a dust collecting bin (7) through the filter layer (5), a plurality of dust collecting cloth bags (8) are arranged inside the dust collecting bin (7), an exhaust pipe (9) is fixedly connected to the top of the second dust collecting box (2), and the bottom of the second dust collecting box (2) is conical.

2. The dry vacuum cleaning system according to claim 1, characterized in that: the air inlet pipe (3) is provided with a fan (10).

3. The dry vacuum cleaning system according to claim 1, characterized in that: a first dust outlet (11) is fixed at the bottom of the first dust collection box (1), and a second dust outlet (12) is fixed at the bottom of the second dust collection box (2).

4. The dry vacuum cleaning system according to claim 1, characterized in that: the outer surface of the second dust collection box (2) is fixedly connected with a gas storage tank (13), and the gas storage tank (13) is fixedly connected with a plurality of gas injection pipes (14).

5. The dry vacuum cleaning system according to claim 4, characterized in that: the bottom of the plurality of air injection pipes (14) is fixedly connected with a plurality of air injection heads (15), and the plurality of air injection heads (15) respectively penetrate through the filter layer (5) and are inserted into the top ends of the plurality of dust collection cloth bags (8).