Efficient plane filter screen self-cleaning type cleaning device

Abstract

The invention relates to the technical field of filter screen cleaning, in particular to an efficient plane filter screen self-cleaning type cleaning device which comprises a cleaning box and a dust filtering box which are vertically stacked, a rectangular cavity is formed between the interior of the cleaning box and the interior of the dust filtering box, and a filtering assembly is arranged in the rectangular cavity. The filter assembly comprises a top plate, a bottom plate and a plurality of mounting frames connected between the top plate and the bottom plate, filter screens are arranged in the mounting frames, the filter assembly is connected with a lifting component, and after the lifting component controls the filter assembly to descend, two spaces which are isolated up and down are formed between the cleaning box and the dust filtering box through the top plate; after the lifting component controls the filtering assembly to ascend, the bottom plate enables two spaces which are vertically isolated to be formed between the cleaning box and the dust filtering box, residual pollution existing in the dust filtering box can be effectively reduced, falling dust and dirt are prevented from directly entering the subsequent air treatment link easily, and the air treatment efficiency is improved. And the situation that the cleaned filter screen is easily and rapidly polluted by falling dust and dirt is also avoided.

Description

Technical Field

[0001] The invention relates to the technical field of filter screen cleaning, in particular to a high-efficiency self-cleaning cleaning device for a flat filter screen. Background Art

[0002] In order to improve the quality of compressed air, the air inlet of the air compressor station is usually equipped with a filter that can intercept pollutants such as dust and dirt. The filter will accumulate more pollutants after long-term use, so it needs to be cleaned regularly.

[0003] For example, a Chinese patent with publication number CN114033650A discloses a smart energy-saving air compressor station and its management system, which includes a total pressure tank, an air compressor, multiple pressure tanks and a self-adjusting filter device connected in sequence, wherein the self-adjusting filter device includes a dust filter box, a cleaning box arranged on the top of the dust filter box, multiple filter plates arranged in the dust filter box, a lifting component arranged on the top of the cleaning box, and a cleaning component arranged on the outer wall of the cleaning box. One end of the dust filter box is connected to the fan through a pipeline, and the exhaust end of the fan is connected to multiple air compressors through a pipeline. When the filter plate is cleaned, the lifting component moves the filter plate into the cleaning box, then water is passed through the cleaning box to rinse the filter plate, and then ventilation is performed to dry it, and finally waste water and waste gas are discharged to achieve self-cleaning of the filter.

[0004] However, during the self-cleaning process of the self-adjusting filter device of the above-mentioned air compressor station, when the lifting component controls the filter to move upward into the cleaning box, the dust and dirt accumulated on the filter tend to fall to the bottom of the dust filter box. On the one hand, the fallen dust and dirt tend to directly enter the subsequent air treatment links, resulting in a decrease in the quality of the compressed air. On the other hand, the fallen dust and dirt tend to cause the cleaned filter to be quickly contaminated. Summary of the invention

[0005] In order to solve the problems existing in the prior art, the present application provides a high-efficiency self-cleaning cleaning device for a flat filter.

[0006] The present invention provides a high-efficiency self-cleaning cleaning device for a flat filter screen, which adopts the following technical solutions:

[0007] A high-efficiency flat filter self-cleaning cleaning device comprises a cleaning box and a dust filter box stacked up and down, a rectangular cavity is formed between the cleaning box and the interior of the dust filter box, a filter assembly is arranged in the rectangular cavity, the filter assembly comprises a top plate, a bottom plate and a plurality of mounting frames arranged between the top plate and the bottom plate, a filter mesh is arranged in each of the plurality of mounting frames, the filter assembly is connected to a lifting component, when the lifting component controls the filter assembly to descend, the top plate forms two spaces separated from each other from top to bottom between the cleaning box and the dust filter box, when the lifting component controls the filter assembly to rise, the bottom plate forms two spaces separated from each other from top to bottom between the cleaning box and the dust filter box.

[0008] Preferably, the mounting frame includes a frame body, a base and a door panel, the lower end of the frame body is open, the base is arranged at the lower end of the frame body, the filter net is arranged between the base and the frame body, the door panel is rotated around a horizontal axis and is arranged at the lower end of the frame body and is located below the base, the door panel is connected to a control motor, when the filter assembly is in the dust filter box, the door panel rotates to a vertical state and closes the bottom of the mounting frame, and when the filter assembly is in the cleaning box, the door panel rotates to an inclined state.

[0009] Preferably, sliders are provided at the left and right ends of the base, and slide grooves are respectively opened on the opposite surfaces of the lower end of the frame body, and the two sliders are respectively slidably set in the two slide grooves, and the filter net is detachably set on the base, and a spring is connected between the slider and the end of the slide groove, and the spring makes the base have a tendency to move downward.

[0010] Preferably, the dust filter box is provided with an air inlet and an air outlet, the air inlet and the air outlet are arranged opposite to each other, and the cleaning box is provided with a water inlet and a water outlet, the water inlet is located above the air outlet, and the water outlet is located above the air inlet.

[0011] Preferably, the mesh diameters of the plurality of filter screens decrease sequentially along the airflow direction; when the filter assembly rises into the cleaning box for cleaning, the inclination angle of the door panel at the bottom of the mounting frame decreases sequentially along the flushing direction.

[0012] Preferably, during the rotation of the door panel, the bottom of the base always abuts against the upper end of the door panel.

[0013] Preferably, the upper end and the lower end of the door panel are both configured to have rounded corners.

[0014] Preferably, the rectangular cavity is embedded with an annular sealing ring at the junction of the cleaning box and the dust filter box. When the filter assembly is lowered into the dust filter box, the top plate of the filter assembly fits with the sealing ring. When the filter assembly rises to the cleaning box, the bottom plate of the filter assembly fits with the sealing ring.

[0015] Preferably, one side wall of the cleaning box is provided with a plurality of openable and closable transparent windows along the spacing direction of the filter screen.

[0016] Preferably, the lifting component includes a drive box and a cylinder, the drive box is arranged below the dust filter box, the cylinder is arranged in the drive box, and the upper end of the cylinder passes through the bottom of the dust filter box and is connected to the bottom plate of the filter assembly.

[0017] The beneficial effects of the present invention are:

[0018] 1. Since the bottom plate rises and falls synchronously with the filter, even if the dust and dirt on the filter falls on the bottom plate during the lifting process, the bottom plate will bring the fallen dust and dirt into the cleaning box, ensuring that the dust and dirt on the filter will be cleaned out in the cleaning box, effectively reducing the residual pollution in the dust filter box, and ultimately preventing the fallen dust and dirt from easily entering the subsequent air treatment links directly, and also preventing the fallen dust and dirt from easily causing the cleaned filter to be quickly contaminated;

[0019] 2. When the filter assembly is in the cleaning box, the door panel at the bottom of the installation frame is rotated to an inclined state to ensure that the sewage can pass through the bottom of the installation frame to facilitate the drainage of the sewage;

[0020] 3. When the filter assembly is cleaned in the cleaning box, as the door panel tilts, the base will have space to move up and down. At this time, the base and the filter will vibrate up and down under the impact of water and the elasticity of the spring, so that the accumulated dust and dirt can be easily vibrated off during flushing, and finally the cleaning effect can be improved by combining vibration and water washing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a cross-sectional view of the cleaning device in the filtering state according to the embodiment of the present application;

[0022] Figure 2 is a cross-sectional view of the cleaning device in the cleaning state according to the embodiment of the present application;

[0023] Figure 3 It is a schematic diagram of the structure of the installation frame and the filter screen in the embodiment of the present application;

[0024] Figure 4 It is a cross-sectional view of the mounting frame and the filter screen in the embodiment of the present application.

[0025] Explanation of the reference numerals: 1. dust filter box; 11. air inlet; 12. air outlet; 2. cleaning box; 21. water inlet; 22. water outlet; 31. top plate; 32. bottom plate; 4. mounting frame; 41. filter screen; 42. frame body; 43. base; 44. door panel; 45. control motor; 46. slider; 47. spring; 5. sealing ring; 6. transparent window; 7. drive box; 71. cylinder. DETAILED DESCRIPTION

[0026] The following will be combined Figure 1-Figure 4 The present invention is further illustrated by the following embodiments.

[0027] This embodiment discloses a high-efficiency self-cleaning cleaning device for a flat filter.

[0028] Reference Figure 1 and Figure 2 The high-efficiency flat filter self-cleaning cleaning device includes a stacked dust filter box 1 and a cleaning box 2, the cleaning box 2 is located above the dust filter box 1, and a rectangular cavity is formed between the cleaning box 2 and the interior of the dust filter box 1. The cleaning box 2 is provided with a water inlet 21 and a water outlet 22, and the dust filter box 1 is provided with an air inlet 11 and an air outlet 12. A filter assembly is arranged between the cleaning box 2 and the dust filter box 1, and the filter assembly includes a top plate 31 and a bottom plate 32 movably arranged in a vertical direction in a rectangular cavity, and a plurality of mounting frames 4 arranged between the top plate 31 and the bottom plate 32, and the plurality of mounting frames 4 are arranged at intervals between the air inlet 11 and the air outlet 12, and a filter screen 41 is arranged in each of the plurality of mounting frames 4. Further, the filter assembly is connected with a lifting component, and the top plate 31 and the bottom plate 32 are all in contact with the inner wall of the rectangular cavity. When the lifting component controls the filter assembly to descend, the top plate 31 forms two spaces isolated from each other between the cleaning box 2 and the dust filter box 1, and at this time, the plurality of filter screens 41 can filter gas in the dust filter box 1 to improve the quality of compressed air in the air compressor station. When the lifting component controls the filter assembly to rise, the bottom plate 32 forms two spaces isolated from each other between the cleaning box 2 and the dust filter box 1, and at this time, the plurality of filter screens 41 can be cleaned in the cleaning box 2 to remove dust and dirt accumulated on the filter screens 41. It should be noted that in the present invention, since the bottom plate 32 rises and falls synchronously with the filter, even if the dust and dirt of the filter 41 fall onto the bottom plate 32 during the raising process, the bottom plate 32 will bring the fallen dust and dirt into the cleaning box 2, ensuring that the dust and dirt on the filter 41 will be cleaned out in the cleaning box 2, effectively reducing the residual pollution in the dust filter box 1, and ultimately preventing the fallen dust and dirt from easily entering the subsequent air treatment links directly, and also preventing the fallen dust and dirt from easily causing the cleaned filter 41 to be quickly contaminated.

[0029] Reference Figure 1 and Figure 2 A rectangular cavity is embedded with an annular sealing ring 5 at the junction of the cleaning box 2 and the dust filter box 1. When the filter assembly descends into the dust filter box 1, the top plate 31 of the filter assembly fits with the sealing ring 5, thereby improving the sealing effect at the top plate 31 and preventing gas from entering the cleaning box 2; when the filter assembly rises to the cleaning box 2, the bottom plate 32 of the filter assembly fits with the sealing ring 5, thereby improving the sealing effect at the bottom plate 32 and preventing sewage from entering the dust filter box 1.

[0030] Reference Figures 1 to 4 The mounting frame 4 includes a frame body 42, a base 43 and a door panel 44. The frame body 42 is concave, and includes a horizontal bar and two vertical bars parallel to each other. The upper ends of the two vertical bars are fixedly connected to the left and right ends of the horizontal bar respectively, and the base 43 is connected between the lower ends of the two vertical bars. The filter screen 41 is arranged between the base 43 and the frame body 42, and the door panel 44 is arranged between the two vertical bars for rotation around a horizontal axis. A control motor 45 is arranged inside the lower end of one of the vertical bars, and the output shaft of the control motor 45 is connected to the door panel 44 and controls the door panel 44 to rotate. When the filter assembly is in the dust filter box 1, the door panel 44 rotates to a vertical state and closes the bottom of the mounting frame 4 to ensure that the gas passes through the position of the filter screen 41. At this time, the upper end of the door panel 44 is pressed against the base 43 of the mounting frame 4 and the lower end is pressed against the bottom plate 32 of the filter assembly; when the filter assembly is in the cleaning box 2, the door panel 44 rotates to an inclined state to ensure that the sewage can pass through the bottom of the mounting frame 4 to facilitate the drainage of the sewage.

[0031] Reference Figures 1 to 4The base 43 is slidably connected between the two vertical rods of the frame 42 along the vertical direction. Specifically, sliders 46 are provided at the left and right ends of the base 43. Slide grooves are respectively provided on the opposite surfaces of the two vertical rods. The two sliders 46 are respectively slidably provided in the two slide grooves to realize the sliding connection of the base 43 between the two vertical rods. Furthermore, the bottom of the filter 41 is plugged into the base 43 and fixed by screws. A spring 47 is connected between the slider 46 and the end of the slide groove. The spring 47 makes the base 43 have a tendency to move downward. Through the above arrangement, on the one hand, when the filter assembly is filtering in the dust filter box 1, the base 43 can be pressed against the upper end of the door panel 44 under the action of the spring 47 to improve the sealing performance. On the other hand, when the filter assembly is cleaned in the cleaning box 2, as the door panel 44 tilts, the base 43 will have space for upward and downward movement. At this time, the base 43 and the filter screen 41 will vibrate up and down under the impact of water and the elastic action of the spring 47, so that the accumulated dust and dirt can be easily vibrated off during flushing, and finally the cleaning effect can be improved by combining vibration and water washing. It should be noted that the bottom of the base 43 needs to always abut against the upper end of the door panel 44 to ensure that when the door panel 44 is turned from the inclined state to the vertical state, the door panel 44 can push the base 43 upward and reset again. Further, the upper and lower ends of the door panel 44 are both set to rounded corners, so that the contact action of the door panel 44 when switching states is smoother.

[0032] Reference Figure 1 and Figure 2 In this embodiment, the water inlet 21 is located above the air outlet 12, and the water outlet 22 is located above the air inlet 11, so that the flushing direction of the filter assembly in the cleaning box 2 is opposite to the airflow direction of the filter assembly in the dust filter box 1, so that the filter assembly is backwashed in the cleaning box 2, so that the pollutants intercepted by the filter screen 41 can be easily washed off. In addition, a plurality of transparent windows 6 that can be opened and closed are provided on one side wall of the cleaning box 2 along the spacing direction of the filter screen 41. The transparent windows 6 are convenient for the staff to observe whether the filter screen 41 is cleaned in time, and when the machine washing is not thorough enough, the staff can open the transparent windows 6 for manual cleaning.

[0033] Reference Figure 1 and Figure 2In the filter components of some air compressor stations, the mesh diameters of the multiple filter screens 41 are successively reduced along the airflow direction, so that the filtering capacity of the multiple filter screens 41 is successively enhanced along the airflow direction, in order to allow some pollutants with smaller particle sizes to pass through the front row of filter screens 41, thereby avoiding excessive filtering pressure of the front row of filter screens 41. For such filter components, the cleaning device of the present invention further makes the following improvements. Specifically, when the filter assembly rises to the cleaning box 2 for cleaning, the inclination angle of the door panel 44 at the bottom of the mounting frame 4 is successively reduced along the flushing direction, and the opening degree of the door panel 44 is successively increased. On the one hand, since the aperture of the filter 41 in the air intake direction is successively reduced, the size of the pollutants intercepted by the filter 41 in the flushing direction will also be successively increased. By successively increasing the opening degree of the door panel 44, it can be ensured that the pollutants on the filter 41 can smoothly pass through the door panel 44. On the other hand, by limiting the space for the up and down movement of the rear-row filter 41 in the air intake direction, the vibration amplitude of the rear-row filter 41 can be reduced, and the vibration frequency of the rear-row filter 41 can be increased, ensuring that the fine pollutants adhering to the rear-row filter 41 can also be smoothly vibrated off, thereby improving the cleaning effect.

[0034] Reference Figure 1 and Figure 2 In this embodiment, the lifting component includes a driving box 7 and a cylinder 71. The driving box 7 is arranged below the dust filter box 1, and the cylinder 71 is arranged in the driving box 7. The cylinder 71 includes a cylinder body fixedly arranged at the bottom of the driving box 7 and a telescopic rod telescopically arranged at the top of the cylinder body. The telescopic rod passes through the bottom of the dust filter box 1 upward and is connected to the bottom plate 32 of the filter assembly. Finally, the lifting and lowering control of the filter assembly is realized by the telescopic movement of the cylinder 71.

[0035] The above are all preferred embodiments of the present invention, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A high-efficiency self-cleaning cleaning device for a flat filter, characterized in that: The invention comprises a cleaning box (2) and a dust filter box (1) which are stacked up and down, wherein a rectangular cavity is formed between the cleaning box (2) and the dust filter box (1), wherein a filter assembly is arranged in the rectangular cavity, wherein the filter assembly comprises a top plate (31), a bottom plate (32) and a plurality of mounting frames (4) arranged between the top plate (31) and the bottom plate (32), wherein a filter screen (41) is arranged in each of the plurality of mounting frames (4), and wherein the filter assembly is connected to a lifting component, wherein when the lifting component controls the filter assembly to descend, the top plate (31) forms two spaces which are isolated from each other in the upper and lower parts between the cleaning box (2) and the dust filter box (1), and when the lifting component controls the filter assembly to ascend, the bottom plate (32) forms two spaces which are isolated from each other in the upper and lower parts between the cleaning box (2) and the dust filter box (1).

2. A high-efficiency self-cleaning cleaning device for a flat filter according to claim 1, characterized in that: The installation frame (4) comprises a frame body (42), a base (43) and a door panel (44); the frame body (42) is open at the lower end; the base (43) is arranged at the lower end of the frame body (42); the filter screen (41) is arranged between the base (43) and the frame body (42); the door panel (44) is arranged at the lower end of the frame body (42) and is located below the base (43) so as to rotate around a horizontal axis; the door panel (44) is connected to a control motor (45); when the filter assembly is in the dust filter box (1), the door panel (44) rotates to a vertical state and closes the bottom of the installation frame (4); when the filter assembly is in the cleaning box (2), the door panel (44) rotates to a tilted state.

3. A high-efficiency self-cleaning cleaning device for a flat filter according to claim 2, characterized in that: Slide blocks (46) are provided at the left and right ends of the base (43), and slide grooves are respectively provided on the opposite surfaces of the lower end of the frame (42). The two slide blocks (46) are respectively slidably arranged in the two slide grooves. The filter screen is detachably arranged on the base (43), and a spring (47) is connected between the slide block (46) and the end of the slide groove. The spring (47) enables the base (43) to have a tendency to move downward.

4. A high-efficiency self-cleaning cleaning device for a flat filter according to claim 3, characterized in that: The dust filter box (1) is provided with an air inlet (11) and an air outlet (12), the air inlet (11) and the air outlet (12) being arranged opposite to each other, and the cleaning box (2) is provided with a water inlet (21) and a water outlet (22), the water inlet (21) being located above the air outlet (12), and the water outlet (22) being located above the air inlet (11).

5. A high-efficiency self-cleaning cleaning device for a flat filter according to claim 4, characterized in that: The mesh diameters of the plurality of filter screens (41) are reduced in sequence along the airflow direction; when the filter assembly is raised into the cleaning box (2) for cleaning, the inclination angle of the door panel (44) at the bottom of the installation frame (4) is reduced in sequence along the flushing direction.

6. A high-efficiency self-cleaning cleaning device for a flat filter according to claim 5, characterized in that: During the rotation of the door panel (44), the bottom of the base (43) always abuts against the upper end of the door panel (44).

7. The high-efficiency self-cleaning cleaning device for a flat filter according to claim 5, characterized in that: The upper end and the lower end of the door panel (44) are both configured with rounded corners.

8. The high-efficiency self-cleaning cleaning device for a flat filter according to claim 1, characterized in that: The rectangular cavity is embedded with an annular sealing ring (5) at the junction of the cleaning box (2) and the dust filter box (1); when the filter assembly descends into the dust filter box (1), the top plate (31) of the filter assembly fits with the sealing ring (5); when the filter assembly rises to the cleaning box (2), the bottom plate (32) of the filter assembly fits with the sealing ring (5).

9. The high-efficiency self-cleaning cleaning device for a flat filter according to claim 1, characterized in that: One side wall of the cleaning box (2) is provided with a plurality of openable and closable transparent windows (6) along the spacing direction of the filter screen (41).

10. The high-efficiency self-cleaning cleaning device for a flat filter according to claim 1, characterized in that: The lifting component comprises a drive box (7) and a cylinder (71); the drive box (7) is arranged below the dust filter box (1); the cylinder (71) is arranged inside the drive box (7); the upper end of the cylinder (71) passes through the bottom of the dust filter box (1) and is connected to the bottom plate (32) of the filter assembly.

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