Filter screen cleaning mechanism of sewage filter device

Abstract

The filter screen cleaning mechanism of the sewage filtering device comprises a sewage filtering box body, a rotation driving assembly is rotationally installed in the center of the sewage filtering box body, an inclined filter screen is installed on the rotation driving assembly and located in the sewage filtering box body, and the rotation driving assembly and the inclined filter screen are rotationally installed; a cleaning scraping plate is further fixedly installed on the rotation driving assembly, the bottom of the cleaning scraping plate is movably attached to the upper surface of the inclined filter screen, a drain outlet is formed in the side wall of the sewage filtering box body, and a movable sealing mechanism is installed at the drain outlet of the sewage filtering box body; according to the utility model, stains on the inclined filter screen are scraped and cleaned through the movable matching of the inclined filter screen which is obliquely arranged and the cleaning scraper, the stains can flow to the drain outlet through the inclined surface, the drain outlet is opened and closed through the movable notch, and the filter screen can be cleaned without disassembling the filter screen; and the filter screen is convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of filter screen cleaning of sewage filtering devices, in particular to a filter screen cleaning mechanism of sewage filtering devices. Background Art

[0002] Sewage treatment is the process of purifying sewage to meet the water quality requirements for drainage into a water body or reuse. Sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, catering, etc., and is increasingly entering the daily lives of ordinary people.

[0003] The sewage filtration and cleaning in the prior art usually requires the filtration device to filter through the filter net, but a large amount of stains will adhere to the filter net. If these stains are not handled in time, the filter net will be clogged, and the quality of sewage filtration will be affected. In addition, the disassembly steps of multiple filter nets are relatively cumbersome.

[0004] Therefore, in view of the shortcomings of the prior art, it is necessary to provide a filter screen cleaning mechanism for a sewage filtering device to solve the shortcomings of the prior art. Utility Model Content

[0005] The utility model aims to avoid the deficiencies of the prior art and to provide a filter screen cleaning mechanism for a sewage filter device. The filter screen cleaning mechanism of the sewage filter device scrapes and cleans the stains on the inclined filter screen by movably cooperating with an inclined filter screen installed obliquely and a cleaning scraper. The stains can flow to the sewage outlet through the inclined surface. The sewage outlet is opened and closed through the movable groove. The filter screen can be cleaned without disassembling the filter screen, and the filter screen cleaning is relatively convenient.

[0006] The above-mentioned purpose of the utility model is achieved through the following technical means.

[0007] Provided is a filter screen cleaning mechanism for a sewage filter device, comprising a sewage filter box body, a rotary drive assembly rotatably mounted at the center of the sewage filter box body, an inclined filter screen mounted on the rotary drive assembly inside the sewage filter box body, the rotary drive assembly and the inclined filter screen rotatably mounted, a cleaning scraper fixedly mounted on the rotary drive assembly, the bottom of the cleaning scraper movably fits with the upper surface of the inclined filter screen, a sewage outlet is arranged on the side wall of the sewage filter box body, and a movable sealing mechanism is mounted on the sewage filter box body at the sewage outlet;

[0008] The movable sealing mechanism includes a movable slot, which is arranged at the sewage outlet of the sewage filter box body, and two slideways are arranged on both sides of the movable slot, on which a movable sealing plate is slidably installed to movably fit with the sewage outlet of the movable slot, and two first positioning screw holes are arranged on the sewage filter box body above and below the sewage outlet, and two second positioning screw holes are arranged on the movable sealing plate, and the first positioning screw hole and the second positioning screw hole are locked and matched by bolt seals.

[0009] Specifically, the height of the inclined filter screen decreases from the center to both sides, and the bottom of the movable notch is inclined downward from the inside to the outside.

[0010] Specifically, the bolt seal comprises a locking screw which is spirally matched with the first positioning screw hole and the second positioning screw hole. A locking ring is fixedly mounted on the locking screw, and the locking ring is movably fitted with the movable sealing plate.

[0011] Specifically, the rotating drive assembly includes a driving motor and a reducer installed below the sewage filter box body and matching each other. The output end of the reducer extends to the interior of the sewage filter box body and is connected to a cleaning shaft. A cleaning scraper is fixedly installed on the cleaning shaft. A conical drainage block is fixedly installed on the top of the cleaning shaft. A water inlet is opened on the top of the sewage filter box body, and the conical drainage block is installed below the water inlet.

[0012] Specifically, an outer protective shell is bolted onto the sewage filter box body outside the movable slot.

[0013] The utility model scrapes and cleans the stains on the inclined filter screen by the movably coordinated cooperation of the inclined filter screen and the cleaning scraper. The stains can flow to the sewage outlet through the inclined surface. The sewage outlet is opened and closed by the movable groove. The filter screen can be cleaned without disassembling the filter screen, and the filter screen is cleaned conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further described with reference to the accompanying drawings, but the contents in the accompanying drawings do not constitute any limitation to the present invention.

[0015] Figure 1 The utility model is a side cross-sectional schematic diagram of a filter screen cleaning mechanism of a sewage filtering device.

[0016] Figure 2 The utility model is a three-dimensional structural schematic diagram of a movable notch of a filter screen cleaning mechanism of a sewage filtering device.

[0017] Figure 3 It is an enlarged schematic diagram of point A of a filter screen cleaning mechanism of a sewage filtering device of the utility model.

[0018] Figure 4The utility model is a three-dimensional structural schematic diagram of a movable sealing plate of a filter screen cleaning mechanism of a sewage filtering device.

[0019] from Figures 1 to 4 Including:

[0020] 1. Sewage filter box body;

[0021] 2. Rotate the drive assembly;

[0022] 21. driving motor, 22. speed reducer, 23. cleaning shaft, 24. cone drainage block;

[0023] 3. Tilt the filter;

[0024] 4. Clean the scraper;

[0025] 5. Sewage outlet;

[0026] 6. Movable sealing mechanism;

[0027] 61. movable notch, 62. slideway, 63. movable sealing plate, 64. first positioning screw hole, 65. second positioning screw hole, 66. bolt sealing member;

[0028] 661, locking screw, 662, locking ring;

[0029] 7. Water inlet;

[0030] 8. Outer protective shell. DETAILED DESCRIPTION

[0031] The utility model is further described in conjunction with the following embodiments.

[0032] Example 1.

[0033] like Figure 1-4 As shown, a filter screen cleaning mechanism of a sewage filtering device, the present application is used for cleaning the filter screen of the sewage treatment equipment, comprising a sewage filter box body 1, a rotation drive assembly 2 is rotatably installed in the center of the sewage filter box body 1, an inclined filter screen 3 is installed on the rotation drive assembly 2 inside the sewage filter box body 1, the rotation drive assembly 2 and the inclined filter screen 3 are rotatably installed, a cleaning scraper 4 is also fixedly installed on the rotation drive assembly 2, the bottom of the cleaning scraper 4 is movably fitted with the upper surface of the inclined filter screen 3, the cleaning scraper 4 is driven by the rotation drive assembly 2 to rotate so as to scrape off the stains attached to the surface of the inclined filter screen 3, a sewage outlet 5 is provided on the side wall of the sewage filter box body, and a movable sealing mechanism 6 is installed at the sewage filter box body at the sewage outlet 5, the cleaned stains are discharged through the sewage outlet 5, and the bottom of the sewage outlet 5 is higher than the same height as the upper surface of the inclined filter screen 3 at the corresponding position.

[0034] The movable sealing mechanism 6 includes a movable notch 61, which is provided at the sewage outlet 5 of the sewage filter box body 1. The movable notch 61 is convenient for movable sealing of the sewage outlet 5. Two slideways 62 are provided on both sides of the movable notch 61. A movable sealing plate 63 that movably fits with the sewage outlet 5 of the movable notch 61 is slidably mounted on the slideway 62. The movable sealing plate 63 can be slid open when the inclined filter net 3 is being cleaned and discharged. Two first positioning screw holes 64 are provided on the sewage filter box body 1 above and below the sewage outlet 5. Two second positioning screw holes 65 are provided on the movable sealing plate 63. The first positioning screw hole 64 and the second positioning screw hole 65 are locked and matched by a bolt seal 66. Through the locking and matching of the bolt seal 66 with the first positioning screw hole 64 and the second positioning screw hole 65, the movable sealing plate 63 can be tightly fitted on the movable notch 61, thereby achieving the sealing of the sewage outlet 5.

[0035] The height of the inclined filter screen 3 decreases from the center to both sides, and the bottom of the movable groove 61 is inclined downward from the inside to the outside. When cleaning, the inclined filter screen 3 can collect cleaning liquid from the top of the sewage filter box body 1, and then rotate and clean it through the cleaning scraper 4, and use the inclined surface mouth to flow out from the sewage outlet 5.

[0036] The bolt seal 66 includes a locking screw 661, which is spirally engaged with the first positioning screw hole 64 and the second positioning screw hole 65. A locking ring 662 is fixedly installed on the locking screw 661. The locking ring 662 is movably fitted with the movable sealing plate 63. The bolt seal 66 fixes the height of the movable sealing plate 63 through the locking screw 661, and seals the movable sealing plate 63 and the sewage outlet 5 of the movable groove 61 through the locking ring 662.

[0037] The rotation drive assembly 2 includes a driving motor 21 and a reducer 22 installed below the sewage filter box body 1 and matched with each other. The output end of the reducer 22 extends to the interior of the sewage filter box body 1 and is connected to a cleaning shaft 23. A cleaning scraper 4 is fixedly installed on the cleaning shaft 23. The rotation drive assembly 2 drives the cleaning shaft 23 to rotate through the output of the driving motor 21 and the reducer 22, thereby driving the cleaning scraper 4 to clean the surface of the inclined filter screen 3. A cone drainage block 24 is fixedly installed on the top of the cleaning shaft 23. A water inlet 7 is opened on the top of the sewage filter box body 1. The cone drainage block 24 is installed below the water inlet 7. The sewage can be drained through the cone drainage pipe to prevent the sewage from being retained on the top of the cleaning shaft 23.

[0038] An outer protective shell 8 is bolted to the outside of the movable notch 61 on the sewage filter box body 1 , and the outer protective shell 8 can prevent the movable notch 61 from being damaged by external forces.

[0039] The utility model scrapes and cleans the stains on the inclined filter screen 3 through the movably coordinated cooperation between the inclined filter screen 3 and the cleaning scraper 4, and the stains can flow to the sewage outlet 5 through the inclined surface. The sewage outlet 5 is opened and closed through the movable groove 61, and the filter screen can be cleaned without disassembling the filter screen, which is relatively convenient to clean.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit the protection scope of the utility model. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A filter screen cleaning mechanism for a sewage filtering device, characterized in that: It comprises a sewage filter box body, a rotation drive assembly is rotatably mounted at the center of the sewage filter box body, an inclined filter screen is mounted on the rotation drive assembly inside the sewage filter box body, the rotation drive assembly and the inclined filter screen are rotatably mounted, a cleaning scraper is also fixedly mounted on the rotation drive assembly, the bottom of the cleaning scraper is movably fitted with the upper surface of the inclined filter screen, a sewage outlet is arranged on the side wall of the sewage filter box body, and a movable sealing mechanism is mounted on the sewage filter box body at the sewage outlet; The movable sealing mechanism includes a movable slot, which is arranged at the sewage outlet of the sewage filter box body, and two slideways are arranged on both sides of the movable slot, on which a movable sealing plate that movably fits with the sewage outlet of the movable slot is slidably mounted, and two first positioning screw holes are arranged on the sewage filter box body above and below the sewage outlet, and two second positioning screw holes are arranged on the movable sealing plate, and the first positioning screw hole and the second positioning screw hole are locked and matched by bolt seals.

2. The filter screen cleaning mechanism of a sewage filtering device according to claim 1, characterized in that: The height of the inclined filter screen decreases from the center to both sides, and the bottom of the movable notch is inclined downward from the inside to the outside.

3. The filter screen cleaning mechanism of a sewage filtering device according to claim 2, characterized in that: The bolt seal comprises a locking screw which is spirally matched with the first positioning screw hole and the second positioning screw hole. A locking ring is fixedly mounted on the locking screw, and the locking ring is movably fitted with the movable sealing plate.

4. The filter screen cleaning mechanism of a sewage filtering device according to claim 3, characterized in that: The rotary drive assembly includes a driving motor and a reducer installed below the sewage filter box body and matching each other. The output end of the reducer extends to the interior of the sewage filter box body and is connected to a cleaning shaft. The cleaning scraper is fixedly installed on the cleaning shaft. A conical drainage block is fixedly installed on the top of the cleaning shaft. A water inlet is opened on the top of the sewage filter box body, and the conical drainage block is installed below the water inlet.

5. The filter screen cleaning mechanism of a sewage filtering device according to claim 4, characterized in that: An outer protective shell is bolted to the outside of the movable notch on the sewage filter box body.

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