Waste gas separation device for air purification

Abstract

The utility model discloses a waste gas separation device for air purification, which comprises two separation tanks, molecular sieves are arranged in the two separation tanks, the two separation tanks are connected with the same main fan, and a particle filtering mechanism is arranged on an air outlet pipe of the main fan; the particle filtering mechanism comprises a filtering box body and further comprises a connecting pipe communicated with an air outlet pipe of the main fan, a first three-way pipe is arranged at the end of the connecting pipe and extends into the filtering box body, and a separation assembly for separating two branch pipes of the first three-way pipe is arranged in the filtering box body. The filter box body is divided into two filter chambers by a partition assembly; according to the waste gas separation device for air purification, impurities such as particulate matters in air sucked from the main fan can be filtered and separated through the arranged particle filtering mechanism, and the situation that the impurities such as the particulate matters in the air enter the waste gas separation device for air purification to cause pipeline blockage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification, in particular to a waste gas separation device for air purification. Background Art

[0002] According to the Chinese patent application number CN202321164978.2, a waste gas separation device for air purification is disclosed, including: a first separation tank, a second separation tank, a main fan, a vacuum pump and a heater; the first separation tank and the second separation tank are filled with molecular sieves, and the first separation tank is provided with a first air inlet and a first air outlet; the second separation tank is provided with a second air inlet and a second air outlet; the outlet of the main fan is connected to the first air inlet and the second air inlet through the first valve and the third valve respectively; the inlet of the vacuum pump is connected to the first air inlet and the second air inlet through the fifth valve and the sixth valve respectively; the inlet of the heater is connected to the atmosphere, and the outlet of the heater is connected to the first air outlet and the second air outlet through the seventh valve and the eighth valve respectively. The utility model can separate waste gas from large-flow air, and its cost is low, and it is suitable for skid-mounted structures. However, when the main fan draws gas into the waste gas separation device, the air will contain impurity particles such as particulate matter. If it enters the pipeline of the waste gas separation device, it may cause blockage, affecting the normal waste gas separation for air purification. Utility Model Content

[0003] In order to solve the defects in the prior art, the utility model provides an exhaust gas separation device for air purification.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses an exhaust gas separation device for air purification, comprising two separation tanks, both of which are provided with molecular sieves, the two separation tanks are connected to the same main fan, and the air outlet pipe of the main fan is provided with a particle filtering mechanism; the particle filtering mechanism comprises a filter box, and also comprises a connecting pipe connected with the air outlet pipe of the main fan, the end of the connecting pipe is provided with a first three-way pipe, the first three-way pipe extends into the interior of the filter box, the interior of the filter box is provided with a partition component for separating two branch pipes of the first three-way pipe, the filter box is divided into two filter chambers by the partition component, a second three-way pipe is connected to the air outlet of the filter box, the interiors of the two filter chambers are provided with a pull-out filter half-cylinder, a plurality of filter mesh holes are provided on the filter half-cylinder, and solenoid valves are installed on the two branch pipes of the first three-way pipe and the second three-way pipe.

[0006] As a preferred technical solution of the utility model, the partition assembly includes two U-shaped partition plates which are symmetrically arranged inside the filter box body, and a partition connecting plate is arranged between the two partition plates.

[0007] As a preferred technical solution of the utility model, the side plates of the two partition plates are provided with through holes for the two branch pipes of the first three-way pipe and the second three-way pipe to pass through respectively, and the through holes are sealed and bonded to the two branch pipes of the first three-way pipe and the second three-way pipe.

[0008] As a preferred technical solution of the utility model, the outer end of the filter semi-cylinder is provided with a pull-out handle, and the side wall of the filter box is provided with two sealed openings for pulling out the filter semi-cylinder.

[0009] As a preferred technical solution of the utility model, a sealing groove is provided at the sealing opening, a sealing gasket is provided at the sealing groove, and a sealing pressure ring is provided at the outer end of the filter semi-cylinder.

[0010] As a preferred technical solution of the utility model, the outer end of the filter semi-cylinder is provided with a spring latch, and the outer end of the filter box is provided with a limiting ring plate matching the pin rod of the spring latch.

[0011] As a preferred technical solution of the utility model, both the inner wall of the filter box and the partition connecting plate are provided with limiting support blocks for limiting the filter semi-cylinder.

[0012] The beneficial effects of the utility model are:

[0013] This exhaust gas separation device for air purification can filter and separate particulate matter and other impurities from the air drawn in from the main fan through the particle filtering mechanism, thereby preventing particulate matter and other impurities contained in the air from entering the exhaust gas separation device for air purification and causing pipe blockage. The air drawn in from the main fan enters the interior of the filter box through the connecting pipe and the first three-way pipe. When it is necessary to discharge the filtered particulate matter and other impurities, one of the solenoid valves can be closed to clean the filtered particulate matter and other impurities inside the filter chamber. The other solenoid valve is opened to discharge the filtered particulate matter and other impurities without affecting the normal exhaust gas separation work, thereby improving the efficiency of the exhaust gas separation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is a schematic structural diagram of a waste gas separation device for air purification of the utility model;

[0016] Figure 2 This is a cross-sectional view of a particle filter mechanism of an exhaust gas separation device for air purification of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of a filter semi-cylinder of an exhaust gas separation device for air purification of the utility model;

[0018] Figure 4 It is a partial enlarged view of a filter box of an exhaust gas separation device for air purification of the utility model.

[0019] In the figure: 1. separation tank; 2. molecular sieve; 3. main fan; 4. particle filtering mechanism; 5. filter box; 6. connecting pipe; 7. first three-way pipe; 8. partition assembly; 9. filter chamber; 10. second three-way pipe; 11. filter half cylinder; 12. solenoid valve; 13. partition plate; 14. partition connecting plate; 15. pull-out handle; 16. sealing opening; 17. sealing gasket; 18. sealing pressure ring; 19. spring latch; 20. limit ring plate; 21. limit support block. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0021] Example: Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the utility model is an exhaust gas separation device for air purification, including two separation tanks 1, the interiors of the two separation tanks 1 are both provided with molecular sieves 2, the two separation tanks 1 are connected to the same main fan 3, and the air outlet pipe of the main fan 3 is provided with a particle filtering mechanism 4; the particle filtering mechanism 4 includes a filter box 5, and also includes a connecting pipe 6 connected to the air outlet pipe of the main fan 3, the end of the connecting pipe 6 is provided with a first three-way pipe 7, the first three-way pipe 7 extends into the interior of the filter box 5, the interior of the filter box 5 is provided with a partition component 8 that separates the two branch pipes of the first three-way pipe 7, the filter box 5 is divided into two filter chambers 9 by the partition component 8, the air outlet of the filter box 5 is connected to a second three-way pipe 10, the interiors of the two filter chambers 9 are both provided with a pull-out filter semi-cylinder 11, and the filter semi-cylinder 11 has a filter element 8 on it. A plurality of filter mesh holes are provided, and solenoid valves 12 are installed on the two branch pipes of the first three-way pipe 7 and the second three-way pipe 10. Through the particle filtering mechanism 4, the air drawn in from the main fan 3 can be filtered and separated from impurities such as particulate matter, thereby avoiding the situation in which particulate matter and other impurities contained in the air enter the exhaust gas separation device of the air purification and cause pipeline blockage. The air drawn in from the main fan 3 enters the interior of the filter box 5 through the connecting pipe 6 and the first three-way pipe 7. When it is necessary to discharge the filtered particulate matter and other impurities, one of the solenoid valves 12 can be closed, and the particulate matter and other impurities filtered in the filter chamber 9 can be cleaned. The other solenoid valve 12 is opened to discharge the filtered particulate matter and other impurities without affecting the normal exhaust gas separation work, thereby improving the efficiency of the exhaust gas separation device.

[0022] Among them, the partition assembly 8 includes two U-shaped partition plates 13 which are symmetrically arranged inside the filter box 5, and a partition connecting plate 14 is arranged between the two partition plates 13. The side plates of the two partition plates 13 are provided with through holes for the two branch pipes of the first three-way pipe 7 and the second three-way pipe 10 to pass through respectively. The through holes are sealed and bonded to the two branch pipes of the first three-way pipe 7 and the second three-way pipe 10, which can play the role of dividing the chamber.

[0023] Among them, the outer end of the filter half-cylinder 11 is provided with a pulling handle 15, and the side wall of the filter box 5 is provided with two sealing openings 16 for pulling the filter half-cylinder 11, and the sealing opening 16 is provided with a sealing groove, and the sealing groove is provided with a sealing gasket 17. The outer end of the filter half-cylinder 11 is provided with a sealing pressure ring 18. The setting of the pulling handle 15 facilitates the pulling of the filter half-cylinder 11, and the sealing opening 16 facilitates the installation or disassembly of the filter half-cylinder 11. The sealing gasket 17 plays a good sealing role.

[0024] Among them, the outer end of the filter half-cylinder 11 is provided with a spring pin 19, and the outer end of the filter box 5 is provided with a limiting ring plate 20 matching the pin rod of the spring pin 19. After the filter half-cylinder 11 is installed, the pin rod of the spring pin 19 matches the limiting ring plate 20, thereby improving the installation stability of the filter half-cylinder 11.

[0025] The inner wall of the filter box 5 and the partition connecting plate 14 are both provided with a limiting support block 21 for limiting the filter semi-cylinder 11 .

[0026] When working, the exhaust gas separation device for air purification can filter and separate impurities such as particulate matter from the air drawn in from the main fan 3 through the particle filtering mechanism 4, thereby preventing particulate matter and other impurities contained in the air from entering the exhaust gas separation device for air purification and causing pipe blockage. The air drawn in from the main fan 3 enters the interior of the filter box 5 through the connecting pipe 6 and the first three-way pipe 7. When it is necessary to discharge the filtered particulate matter and other impurities, one of the solenoid valves 12 can be closed to clean the particulate matter and other impurities filtered in the filter chamber 9. The other solenoid valve 12 is opened to discharge the filtered particulate matter and other impurities without affecting the normal exhaust gas separation work, thereby improving the efficiency of the exhaust gas separation device.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An exhaust gas separation device for air purification, comprising two separation tanks (1), each of which is provided with a molecular sieve (2), and the two separation tanks (1) are connected to the same main fan (3), characterized in that: The air outlet pipe of the main fan (3) is provided with a particle filtering mechanism (4); The particle filtering mechanism (4) comprises a filter box (5), and also comprises a connecting pipe (6) connected to the air outlet pipe of the main fan (3); a first three-way pipe (7) is provided at the end of the connecting pipe (6); the first three-way pipe (7) extends into the interior of the filter box (5); a partition component (8) is provided inside the filter box (5) for separating two branch pipes of the first three-way pipe (7); the filter box (5) is divided into two filter chambers (9) by the partition component (8); a second three-way pipe (10) is connected to the air outlet of the filter box (5); a pull-out filter half cylinder (11) is provided inside the two filter chambers (9); a plurality of filter mesh holes are provided on the filter half cylinder (11); and solenoid valves (12) are installed on the two branch pipes of the first three-way pipe (7) and the second three-way pipe (10).

2. The waste gas separation device for air purification according to claim 1, characterized in that: The partition assembly (8) comprises two U-shaped partition plates (13) which are arranged symmetrically in the upper and lower parts of the filter box (5), and a partition connecting plate (14) is arranged between the two partition plates (13).

3. The waste gas separation device for air purification according to claim 2, characterized in that: The side plates of the two partition plates (13) are provided with through holes for respectively passing the two branch pipes of the first three-way pipe (7) and the second three-way pipe (10), and the through holes are sealed and bonded to the two branch pipes of the first three-way pipe (7) and the second three-way pipe (10).

4. The waste gas separation device for air purification according to claim 1, characterized in that: The outer end of the filter half cylinder (11) is provided with a pull-out handle (15), and the side wall of the filter box (5) is provided with two sealed openings (16) for pulling out the filter half cylinder (11).

5. The waste gas separation device for air purification according to claim 4, characterized in that: A sealing groove is provided at the sealing opening (16), a sealing gasket (17) is provided at the sealing groove, and a sealing pressure ring (18) is provided at the outer end of the filtering semi-cylinder (11).

6. The waste gas separation device for air purification according to claim 1, characterized in that: The outer end of the filter semi-cylinder (11) is provided with a spring latch (19), and the outer end of the filter box (5) is provided with a limiting ring plate (20) matching the pin rod of the spring latch (19).

7. The waste gas separation device for air purification according to claim 3, characterized in that: The inner wall of the filter box (5) and the partition connecting plate (14) are both provided with a limiting support block (21) for limiting the filter semi-cylinder (11).

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