CN216537419U

CN216537419U - Automatic cleaning filter screen device

Info

Publication number: CN216537419U
Application number: CN202123079145.XU
Authority: CN
Inventors: 何欢; 潘奕均; 李斌; 范俊
Original assignee: Jiangsu Nanyou Huannuo Environmental Protection Technology Co ltd
Current assignee: Jiangsu Nanyou Huannuo Environmental Protection Technology Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-17
Anticipated expiration: 2031-12-09

Abstract

The utility model relates to the technical field of automatic cleaning filter screens, and discloses an automatic cleaning filter screen device which comprises a main pipe, a centrifugal fan and a filter screen, wherein the left end of the main pipe is an air inlet, the right end of the main pipe is fixedly connected with an air inlet end of the centrifugal fan, an outlet at the upper end of the centrifugal fan is fixedly connected with an exhaust pipe, the upper end of the main pipe is fixedly connected with a branch pipe, one end of the branch pipe is fixedly connected with the outer wall of the exhaust pipe, the interior of the branch pipe is respectively communicated with the main pipe and the interior of the exhaust pipe, and the lower end of the middle part of the main pipe is provided with an opening. According to the automatic cleaning device, the working principle of the centrifugal fan is ingeniously utilized, the purpose of automatically cleaning the filter screen is realized through simple transformation and control of a pipeline and a valve, the frequency of manual inspection and cleaning is greatly reduced, the arranged notch can be replaced through the notch when the filter screen needs to be replaced, the operation is simple, the time for replacing the filter screen is greatly reduced, and the working efficiency of the device is improved.

Description

Automatic cleaning filter screen device

Technical Field

The utility model relates to the technical field of automatic cleaning filter screens, in particular to an automatic filter screen cleaning device.

Background

The centrifugal fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

However, after the existing centrifugal fan is used for a period of time, dust in the air and flying dust, impurities and the like generated in the working environment block the filter screen, so that the ventilation is not smooth, and the use function of the whole equipment is seriously affected, so that the existing centrifugal fan needs to be frequently checked, disassembled and cleaned, but in some specific occasions, such as high altitude and toxic and harmful environments, the existing centrifugal fan brings great inconvenience to the checking and cleaning work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic filter screen cleaning device to solve the problems that after an existing centrifugal fan is used for a period of time, dust in air and raised dust, impurities and the like generated in a working environment can block a filter screen, so that ventilation is not smooth, and the use function of the whole device can be affected seriously, so that the filter screen must be frequently checked, disassembled and cleaned, but in some specific occasions, such as high altitude and toxic and harmful environments, the inspection and cleaning work is greatly inconvenient.

In order to achieve the purpose, the utility model adopts the following technical scheme: automatic clean filter screen device, including being responsible for, centrifugal fan and filter screen, be responsible for the left end and be the air inlet, be responsible for right-hand member fixedly connected with centrifugal fan inlet end, centrifugal fan upper end export fixedly connected with blast pipe, be responsible for upper end fixedly connected with branch pipe, branch pipe one end and blast pipe outer wall fixed connection, the branch intraduct is linked together with being responsible for and blast pipe inside respectively.

As a still further scheme of the utility model: the lower end of the middle part of the main pipe is provided with a port, the port is fixedly connected with a valve A, the exhaust pipe is provided with a valve B, and the middle part of the branch pipe is provided with a valve C.

As a still further scheme of the utility model: the utility model discloses a centrifugal fan, including be responsible for the air inlet, be responsible for the right side lower extreme and seted up the mouth, fixedly connected with D valve on the mouth, the D valve is located between A valve and the centrifugal fan, be responsible for left side lower extreme and seted up the mouth, fixedly connected with E valve on the mouth, fixedly connected with F valve on the air inlet, the E valve is located branch pipe and F valve.

As a still further scheme of the utility model: the sliding device is characterized in that a notch is formed in the upper end of the middle of the main pipe, a sliding groove is formed in the middle of the outer wall of the main pipe in the horizontal direction, a sliding cover is connected to the sliding groove in a sliding fit mode, the outer side of the sliding cover is in a semicircular arc shape, and the inner wall of the sliding cover is attached to the outer wall of the main pipe.

As a still further scheme of the utility model: the filter screen is connected with through the pin cooperation in the notch, the filter screen is responsible for inside, the filter screen outer wall is responsible for the inner wall laminating with.

As a still further scheme of the utility model: the filter screen middle part fixedly connected with differential pressure sensor, differential pressure sensor can dismantle.

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

1. the utility model skillfully utilizes the working principle of the centrifugal fan, achieves the purpose of automatically cleaning the filter screen through simple transformation and control of the pipeline and the valve, and greatly reduces the frequency of manual inspection and cleaning.

2. According to the utility model, the arranged notch can be replaced through the notch when the filter screen needs to be replaced, the operation is simple, the time for replacing the filter screen is greatly reduced, and the working efficiency of the equipment is improved.

Drawings

FIG. 1 is a schematic structural view of an automatic cleaning filter screen device;

FIG. 2 is a schematic view of an expanded structure of the automatic cleaning filter screen device;

fig. 3 is a schematic view of a partially enlarged structure of a filter screen device for automatic cleaning in fig. 2.

In the figure: 1. a main pipe; 2. an air inlet; 3. a centrifugal fan; 4. an exhaust pipe; 5. a notch; 6. a chute; 7. a sliding cover; 8. filtering with a screen; 9. a differential pressure sensor; 10. a, a valve; 11. a valve B; 12. c, a valve; 13. a valve D; 14. an E valve; 15. and F, valve.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example (b): referring to fig. 1-3, in the embodiment of the present invention, the automatic cleaning filter screen apparatus includes a main pipe 1, a centrifugal fan 3, and a filter screen 8, the left end of the main pipe 1 is an air inlet 2, the right end of the main pipe 1 is fixedly connected with an air inlet end of the centrifugal fan 3, an outlet at the upper end of the centrifugal fan 3 is fixedly connected with an exhaust pipe 4, the upper end of the main pipe 1 is fixedly connected with a branch pipe 101, one end of the branch pipe 101 is fixedly connected with the outer wall of the exhaust pipe 4, and the interior of the branch pipe 101 is respectively communicated with the main pipe 1 and the interior of the exhaust pipe 4.

As a still further scheme of the utility model: the lower end of the middle part of the main pipe 1 is provided with a port, the port is fixedly connected with a valve A10, the exhaust pipe 4 is provided with a valve B11, and the middle part of the branch pipe 101 is provided with a valve C12.

As a still further scheme of the utility model: be responsible for 1 right side lower extreme and seted up the mouth, fixedly connected with D valve 13 on the mouth, D valve 13 is located between A valve 10 and centrifugal fan 3, is responsible for 1 left side lower extreme and has seted up the mouth, fixedly connected with E valve 14 on the mouth, fixedly connected with F valve 15 on the air inlet 2, and E valve 14 is located branch pipe 101 and F valve 15.

As a still further scheme of the utility model: be responsible for 1 middle part upper end and seted up notch 5, be responsible for 1 outer wall middle part horizontal direction and seted up spout 6, sliding fit is connected with sliding closure 7 in the spout 6, the outer semicircle arc of sliding closure 7, the laminating of sliding closure 7 inner wall and the 1 outer wall of being responsible for.

As a still further scheme of the utility model: be connected with filter screen 8 through the pin cooperation in the notch 5, filter screen 8 is being responsible for 1 inside, and the laminating of filter screen 8 outer wall and the 1 inner wall of being responsible for, filter screen 8 middle part fixedly connected with differential pressure sensor 9, differential pressure sensor 9 can be dismantled.

As a still further scheme of the utility model: when the dust and impurities on the filter screen 8 are excessive, the air quantity is influenced to pass, when the pressure difference sensor 9 detects that the internal and external pressure difference reaches a set value, an electric signal is sent to the control unit to control the A valve 10, the B valve 11 and the F valve 15 to be closed, the C valve 12, the D valve 13 and the E valve 14 to be opened in sequence, the centrifugal fan 3 sucks fresh air into the reverse blowing filter screen 8 through the D valve 13, and the dust and impurities adsorbed on the filter screen 8 are blown out through the E valve 14, so that the purpose of cleaning is achieved. When the pressure difference sensor 9 detects that the internal and external pressure difference values meet the design requirements, the electric signal is sent to the control unit again, the valve C12, the valve D13 and the valve E14 are closed in sequence, the valve A10, the valve B11 and the valve F15 are opened simultaneously, the centrifugal fan 3 enters a normal working mode, and when the filter screen 8 needs to be replaced, the sliding cover 7 slides through the sliding groove 6, and the filter screen 8 is taken out from the notch 5 to be replaced.

The working principle is as follows: under normal use conditions, the a valve 10, the B valve 11, and the F valve 15 are in a normally open state, and the C valve 12, the D valve 13, and the E valve 14 are in a normally closed state. When the dust and impurities on the filter screen 8 are excessive, the air quantity is influenced to pass, when the pressure difference sensor 9 detects that the pressure difference between the inside and the outside reaches a set value, an electric signal is sent to the control unit, the valve A10, the valve B11 and the valve F15 are controlled to be closed, the valve C12, the valve D13 and the valve E14 are sequentially opened, the centrifugal fan 3 sucks fresh air into the filter screen 8 through the valve D13 and blows the fresh air reversely, the dust and impurities adsorbed on the filter screen 8 are blown out through the valve E14, and the purpose of cleaning is achieved. When the pressure difference sensor 9 detects that the internal and external pressure difference values meet the design requirements, the electric signal is sent to the control unit again, the valve C12, the valve D13 and the valve E14 are closed in sequence, the valve A10, the valve B11 and the valve F15 are opened simultaneously, the centrifugal fan 3 enters a normal working mode, and when the filter screen 8 needs to be replaced, the sliding cover 7 slides through the sliding groove 6, and the filter screen 8 is taken out from the notch 5 to be replaced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. Automatic clean filter screen device, including being responsible for (1), centrifugal fan (3) and filter screen (8), its characterized in that, be responsible for (1) left end and be air inlet (2), be responsible for (1) right-hand member fixedly connected with centrifugal fan (3) inlet end, export fixedly connected with blast pipe (4) on centrifugal fan (3), be responsible for (1) upper end fixedly connected with branch pipe (101), branch pipe (101) one end and blast pipe (4) outer wall fixed connection, branch pipe (101) inside respectively with be responsible for (1) and blast pipe (4) inside be linked together.

2. The automatic cleaning filter screen device according to claim 1, wherein the lower end of the middle part of the main pipe (1) is provided with a port, the port is fixedly connected with an A valve (10), the exhaust pipe (4) is provided with a B valve (11), and the middle part of the branch pipe (101) is provided with a C valve (12).

3. The automatic cleaning filter screen device according to claim 2, wherein the main pipe (1) has a port at the lower right end, the port is fixedly connected with a D valve (13), the D valve (13) is located between the a valve (10) and the centrifugal fan (3), the main pipe (1) has a port at the lower left end, the port is fixedly connected with an E valve (14), the air inlet (2) is fixedly connected with an F valve (15), and the E valve (14) is located in the branch pipe (101) and the F valve (15).

4. The automatic cleaning filter screen device according to claim 1, wherein the main pipe (1) is provided with a notch (5) at the upper end of the middle part, the main pipe (1) is provided with a sliding groove (6) at the middle part of the outer wall in the horizontal direction, the sliding groove (6) is connected with a sliding cover (7) in a sliding fit manner, the sliding cover (7) is in an outer semi-circular arc shape, and the inner wall of the sliding cover (7) is attached to the outer wall of the main pipe (1).

5. The automatic cleaning filter screen device according to claim 4, wherein the slot (5) is connected with a filter screen (8) through a pin fit, the filter screen (8) is arranged inside the main pipe (1), and the outer wall of the filter screen (8) is attached to the inner wall of the main pipe (1).

6. The automatic cleaning filter screen device according to claim 5, wherein a differential pressure sensor (9) is fixedly connected to the middle of the filter screen (8), and the differential pressure sensor (9) is detachable.