CN216726329U

CN216726329U - High-efficient automatically cleaning air filter equipment in front of pump

Info

Publication number: CN216726329U
Application number: CN202220226657.XU
Authority: CN
Inventors: 李学龙; 赵连娜
Original assignee: Henan Longsen Purification Equipment Co ltd
Current assignee: Henan Longsen Purification Equipment Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-06-14
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a high-efficiency self-cleaning air filtering device in front of a pump, which comprises a device shell, wherein two clapboards are arranged inside the device shell, the two clapboards divide the inside of the device shell into an air outlet cavity, a filtering cavity and an air inlet cavity which are sequentially arranged from top to bottom, a filter element assembly is arranged in the filtering cavity, an annular back-blowing pipe is arranged in the air outlet cavity, the bottom of the annular back-blowing pipe is connected with an output end, and a dust removal assembly is arranged in the air inlet cavity. According to the utility model, through the matching arrangement of the air supply source, the air supply pipe, the annular blowback pipe and the nozzle, the air supply source supplies air to the annular blowback pipe, the air is blown out through the output end and acts on the filter element assembly to remove dust accumulated on the filter element assembly, and workers do not need to clean and replace the filter element regularly, so that the working efficiency is improved.

Description

High-efficient automatically cleaning air filter equipment in front of pump

Technical Field

The utility model relates to the technical field of air filtering equipment, in particular to a high-efficiency self-cleaning air filtering device in front of a pump.

Background

The vacuum pump is a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method, the vacuum pump for compressing or processing air to generate vacuum needs to filter air, a filter is used for removing solid particles and impurities in the air, and the pollution of the pump can affect the efficiency, abrasion, tearing and service life of the machine, and even lead to the overall damage of the pump in serious cases.

The filter core that current pump was preceding usually adopted special processing filters the air to obtain pure gas, when the filter core was used for a long time, the solid particle of its surface interception constantly increased, and then influenced filtering quality, consequently needed the staff regularly to clear up the filter core and changed, led to work efficiency's reduction, for this reason, proposed a high-efficient automatically cleaning air filter before the pump and solved above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a high-efficiency self-cleaning air filtering device in front of a pump, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-efficiency self-cleaning air filtering device before a pump comprises a device shell, wherein the bottom and the top of the device shell are respectively provided with an air inlet and an air outlet, the top of the device shell is provided with a cover plate, the inside of the device shell is provided with two clapboards, the two clapboards divide the inside of the device shell into an air outlet cavity, a filter cavity and an air inlet cavity which are sequentially arranged from top to bottom, the air inlet is communicated with the air inlet cavity, the air outlet is communicated with the air outlet cavity, a filter element assembly is arranged in the filter cavity, an annular back-blowing pipe is arranged in the air outlet cavity, the bottom of the annular back-blowing pipe is connected with an output end, the output end corresponds to the filter element assembly, one side of the annular back-blowing pipe is communicated with an air supply pipe, one end of the air supply pipe is connected with an air supply source, the bottom of the device shell is provided with a sealing box, and the bottom of the air inlet cavity is provided with a dust outlet, one end of the dust outlet extends to the inside of the sealing box, a dust removal assembly is arranged inside the air inlet cavity, and a first valve, a second valve and a third valve are respectively arranged on the air inlet, the air outlet and the air supply pipe.

Preferably, the filter element assembly comprises a plurality of filter cylinders which are uniformly distributed and have two open ends, two ports of the plurality of filter cylinders are respectively communicated with the air outlet cavity and the air inlet cavity, and the output ends of the annular blowback pipe are the same as the filter cylinders in number and are positioned right above the filter cylinders.

Preferably, the annular blowback pipes are provided with two, the circle centers of the two annular blowback pipes are overlapped, and a communicating pipe is arranged between the two annular blowback pipes.

Preferably, the dust removal assembly comprises an annular air duct, the annular air duct is arranged on the inner side wall of the device shell, a nozzle is arranged on the lower surface of the annular air duct, the dust removal assembly further comprises a fan arranged on the device shell, and the output part of the fan is communicated with the annular air duct.

Preferably, the device shell is provided with a cylindrical part and a conical part, the filter cavity and the air outlet cavity are arranged in the cylindrical part, the air inlet cavity is arranged in the conical part, the annular air duct is arranged on the cylindrical part, and the nozzle inclines to a position close to the central axis of the device shell and acts on the inner side wall of the conical part.

Preferably, the inside of the seal box is movably connected with a dust collection box, and the dust collection box is arranged below the dust outlet.

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

according to the utility model, through the matching arrangement of the air supply source, the air supply pipe, the annular back-blowing pipe and the nozzle, the air supply source supplies air to the annular back-blowing pipe, and blows out air from the output end to act on the filter element assembly so as to remove dust accumulated on the filter element assembly, thereby ensuring the normal use of the filter element assembly, avoiding the need of workers to regularly clean and replace the filter element, improving the working efficiency, and through the installation of the dust removal assembly in the device shell, the air can be blown to the inner side wall of the device shell, thereby accelerating the dust sedimentation and preventing the dust from accumulating in the device shell.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic diagram of a partial top view cross-sectional structure of the present invention.

In the figure: 1. a device housing; 2. an air inlet; 3. an air outlet; 4. a cover plate; 5. a partition plate; 6. an air outlet cavity; 7. a filter chamber; 8. an air inlet cavity; 9. a filter element assembly; 10. an annular blowback pipe; 11. an output end; 12. a gas supply pipe; 13. an air supply source; 14. a sealing box; 15. a dust outlet; 16. a dust removal assembly; 161. an annular air duct; 162. a nozzle; 163. a fan; 17. a first valve; 18. a second valve; 19. a third valve; 20. a communicating pipe; 21. a dust collecting box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The utility model provides a high-efficiency self-cleaning air filtering device in front of a pump, which comprises a device shell 1, wherein the bottom and the top of the device shell 1 are respectively provided with an air inlet 2 and an air outlet 3, the top of the device shell 1 is provided with a cover plate 4, the interior of the device shell 1 is provided with two partition plates 5, the interior of the device shell 1 is divided into an air outlet cavity 6, a filter cavity 7 and an air inlet cavity 8 which are sequentially arranged from top to bottom by the two partition plates 5, the air inlet 2 is communicated with the air inlet cavity 8, the air outlet 3 is communicated with the air outlet cavity 6, the filter cavity 7 is internally provided with a filter core assembly 9, an annular back-blowing pipe 10 is arranged in the air outlet cavity 6, the bottom of the annular back-blowing pipe 10 is connected with an output end 11, the output end 11 corresponds to the filter core assembly 9, one side of the annular back-blowing pipe 10 is communicated with an air supply pipe 12, one end of the air supply pipe 12 is connected with an air supply source 13, the bottom of the device shell 1 is provided with a sealing box 14, the bottom end of the air inlet cavity 8 is provided with a dust outlet 15, one end of the dust outlet 15 extends to the inside of the sealing box 14, the inside of the air inlet cavity 8 is provided with a dust removing assembly 16, and the air inlet 2, the air outlet 3 and the air supply pipe 12 are respectively provided with a first valve 17, a second valve 18 and a third valve 19.

The air inlet 2 should be connected to the container to be evacuated, and the air outlet 3 should be connected to the vacuum pump, so that when the container to be evacuated is evacuated by the vacuum pump, the air in the container to be evacuated first passes through the filter element assembly 9 to filter out the impurity particles, thereby preventing the impurity particles from entering the vacuum pump.

The air supply source 13 is a compressed air generating device for supplying air to the annular blowback pipe 10, and it can be understood that, when the vacuum pump is in operation, the third valve 19 on the air supply pipe 12 should be in a closed state, the first valve 17 and the second valve 18 on the air inlet 2 and the air outlet 3 are in an open state, when the vacuum pump stops operating, or the filter element assembly 9 needs to be cleaned, the first valve 17 and the second valve 18 are closed, the third valve 19 is opened, the air supply source 13 supplies air to the annular blowback pipe 10, and acts on the filter element assembly 9 through the output end 11, so as to clean the filter element assembly 9.

In some embodiments of the present invention, the filter element assembly 9 includes a plurality of filter cartridges which are uniformly distributed and have two open ends, two ends of the plurality of filter cartridges are respectively communicated with the air outlet cavity 6 and the air inlet cavity 8, and the number of output ends 11 arranged at the bottom of the annular blowback pipe 10 is the same as the number of filter cartridges and is located right above the filter cartridges.

In some embodiments of the present invention, two annular blowback pipes 10 are provided, the centers of the two annular blowback pipes 10 coincide, and a communication pipe 20 is provided between the two annular blowback pipes 10.

In order to facilitate the assembly and disassembly of the annular blowback pipe 10, a placing rack can be arranged inside the device shell 1, the placing rack is provided with a placing seat matched with the radian of the annular blowback pipe 10, the annular blowback pipe 10 is accommodated in the placing seat, in addition, a gas pipe connecting piece is arranged at the joint of the annular blowback pipe 10 and the gas supply pipe 12, so that the gas supply pipe 12 is detachably connected with the annular blowback pipe 10, and the two annular blowback pipes 10 and the communicating pipe 20 are regarded as a whole.

In some embodiments of the present invention, the dust removing assembly 16 includes an annular air duct 161, the annular air duct 161 is installed on the inner side wall of the device housing 1, the nozzle 162 is installed on the lower surface of the annular air duct 161, and a blower 163 is installed on the device housing 1, and an output portion of the blower 163 is communicated with the annular air duct 161.

In some embodiments of the utility model, the device housing 1 has a cylindrical portion and a conical portion, the filter chamber 7 and the outlet chamber 6 being disposed in the cylindrical portion, the inlet chamber 8 being disposed in the conical portion, the annular air duct 161 being mounted on the cylindrical portion, and the nozzle 162 being inclined towards the central axis of the device housing 1 and acting on the inner side wall of the conical portion.

In order to ensure that the wind energy from the fan 163 uniformly acts on the inner side wall of the device case 1, the fan 163 may be provided in plural, and the plural fans 163 should be uniformly distributed along the outer circumference of the device case 1.

In some embodiments of the present invention, a dust collecting box 21 is movably connected to the inside of the sealing box 14, and the dust collecting box 21 is disposed below the dust outlet 15.

One side of the sealing box 14 should be open, and a box door is hinged at the opening, so that the sealing box 14 can be opened and closed by a worker conveniently, and the dust collecting box 21 in the sealing box 14 can be taken out and cleaned conveniently.

The working principle is as follows: when the vacuum pump works, the first valve 17 and the second valve 18 are opened, the air in the container is pumped into the device shell 1 through the air inlet 2, the air passes through the filter element assembly 9, solid particles and impurities doped in the air are intercepted, so as to obtain purified air, the purified air is pumped out through the air outlet 3 by the vacuum pump, after the device is used for a period of time, more impurities are accumulated on the surface of the filter element assembly 9, at the moment, the third valve 19 is opened, the first valve 17 and the second valve 18 are closed, the air supply source 13 is opened to supply air to the annular blowback pipe 10, the air acts on the filter element assembly 9 through the output end 11, the impurities on the filter element assembly 9 are swept, and finally fall into the dust collection box 21 through the dust outlet 15, part of the impurities are attached to the inner wall of the device shell 1, at the moment, the fan 163 is opened, and the air is blown up to the inner wall through the annular air duct 161 and the nozzle 162, the impurities are blown off and collected in the dust collection box 21, and after the filter element assembly 9 is cleaned, the dust collection box 21 is taken out by workers to uniformly treat the impurities in the dust collection box.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient automatically cleaning air filter equipment before pump, includes device casing (1), the bottom and the top of device casing (1) are provided with air inlet (2) and gas outlet (3) respectively, the top of device casing (1) is provided with apron (4), its characterized in that: the device comprises a device shell (1), wherein two clapboards (5) are arranged inside the device shell (1), the clapboards (5) divide the inside of the device shell (1) into an air outlet cavity (6), a filter cavity (7) and an air inlet cavity (8) which are sequentially arranged from top to bottom, an air inlet (2) is communicated with the air inlet cavity (8), an air outlet (3) is communicated with the air outlet cavity (6), a filter element assembly (9) is arranged in the filter cavity (7), an annular back-blowing pipe (10) is arranged in the air outlet cavity (6), the bottom of the annular back-blowing pipe (10) is connected with an output end (11), the output end (11) is corresponding to the filter element assembly (9), an air supply pipe (12) is communicated with one side of the annular back-blowing pipe (10), one end of the air supply pipe (12) is connected with an air supply source (13), a sealing box (14) is arranged at the bottom of the device shell (1), the bottom in chamber (8) admits air is provided with out dirt mouth (15), the one end of going out dirt mouth (15) extends to the inside of seal box (14), the internally mounted in chamber (8) admits air has dust removal subassembly (16), install first valve (17), second valve (18) and third valve (19) on air inlet (2), gas outlet (3) and air supply pipe (12) respectively.

2. A high efficiency self-cleaning air filtration device before pump as claimed in claim 1 wherein: the filter element assembly (9) comprises a plurality of filter cylinders which are uniformly distributed and have two open ends, two ports of the plurality of filter cylinders are respectively communicated with the air outlet cavity (6) and the air inlet cavity (8), the number of output ends (11) arranged at the bottom of the annular blowback pipe (10) is the same as that of the filter cylinders, and the filter elements are positioned right above the filter cylinders.

3. A high efficiency self-cleaning air filtration device as recited in claim 1, wherein: the annular back-blowing pipe (10) is provided with two, the circle centers of the two annular back-blowing pipes (10) are overlapped, and a communicating pipe (20) is arranged between the two annular back-blowing pipes (10).

4. A high efficiency self-cleaning air filtration device as recited in claim 1, wherein: the dust removal assembly (16) comprises an annular air duct (161), the annular air duct (161) is installed on the inner side wall of the device shell (1), a nozzle (162) is installed on the lower surface of the annular air duct (161), the dust removal assembly further comprises a fan (163) installed on the device shell (1), and the output portion of the fan (163) is communicated with the annular air duct (161).

5. A high efficiency self-cleaning air filtration device before pump as claimed in claim 4 wherein: the device shell (1) is provided with a cylindrical part and a conical part, the filter cavity (7) and the air outlet cavity (6) are arranged in the cylindrical part, the air inlet cavity (8) is arranged in the conical part, the annular air duct (161) is arranged on the cylindrical part, and the nozzle (162) inclines to a position close to the central axis of the device shell (1) and acts on the inner side wall of the conical part.

6. A high efficiency self-cleaning air filtration device as recited in claim 1, wherein: the inside of the sealing box (14) is movably connected with a dust collecting box (21), and the dust collecting box (21) is arranged below the dust outlet (15).