Sewage treatment filter convenient for internal cleaning

Abstract

The utility model relates to the technical field of sewage treatment devices, and discloses a sewage treatment filter convenient for internal cleaning. The sewage treatment filter convenient for internal cleaning comprises a columnar shell, a sealing end cover and a filter basket, an annular stepped bulge matched with the filter basket is arranged on the inner wall of the columnar shell, and the device has the advantages that when only a small amount of materials exist in the filter basket, the outer wall of the filter basket is flushed to dredge sieve pores, so that the filter basket can clean the materials conveniently; the problems that in the prior art, a filtering basket is arranged in a basket type filter, sewage enters the filtering basket through materials of the basket type filter, the end cover at the top of the basket type filter is opened, the filtering basket is taken out, then the filtering basket is taken out, and the materials are poured out are solved, but in the using process, the filtering basket is taken out, and the material cleaning frequency is reduced. Only a small amount of materials exist in the filtering basket, and suspended solids are adhered to the inner wall of the filtering basket or particulate matters are clamped into the inner wall of the filtering basket, so that the sewage passing rate is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment devices, in particular to a sewage treatment filter which is easy to clean inside. Background Art

[0002] A blue filter is a common water treatment device used to remove particulate matter and suspended solids from water. In wastewater treatment, it plays a pre-treatment role, helping to protect subsequent treatment systems, such as pumps, valves, and other equipment, from damage by large particles.

[0003] In the prior art, a filter basket is installed inside a basket filter, and sewage enters the filter basket through the basket filter material. The top end cover of the basket filter is opened to remove the filter basket, and then the filter basket is removed and the material is poured out. However, during use, there is only a small amount of material in the filter basket, and the inner wall of the filter basket is adhered to suspended matter or stuck with particulate matter, thereby affecting the sewage passing rate. Opening the end cover to remove the filter basket and clean the material is too frequent and cumbersome. Subsequently, a sewage treatment filter with easy internal cleaning is proposed to solve the above problem. Utility Model Content

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the utility model provides a sewage treatment filter which is easy to clean internally. The utility model has the advantages that when there is only a small amount of material in the filter basket, the sieve holes can be unblocked by flushing the outer wall of the filter basket, and the frequency of opening the end cover to take out the filter basket to clean the material can be reduced. The utility model solves the problem in the prior art that a filter basket is installed inside a blue filter, sewage enters the filter basket through the blue filter material, the top end cover of the blue filter is opened to take out the filter basket, and then the filter basket is taken out and the material is poured out. However, during use, there is only a small amount of material in the filter basket, and the inner wall of the filter basket is adhered to suspended matter or stuck with particulate matter, thereby affecting the sewage passing rate, and opening the end cover to take out the filter basket to clean the material is too frequent and cumbersome.

[0006] (2) Technical solution

[0007] The utility model provides a technical solution to the above-mentioned technical problems as follows: a sewage treatment filter which is easy to clean internally, comprising a cylindrical shell, a sealing end cover and a filter basket, the inner wall of the cylindrical shell being provided with an annular stepped protrusion adapted to the filter basket, the annular stepped protrusion dividing the cylindrical shell from top to bottom into a sewage chamber and a clean water chamber, the left side of the cylindrical shell being fixedly connected with a water inlet pipe communicating with the sewage chamber, the right side of the cylindrical shell being fixedly connected with a drain pipe communicating with the clean water chamber, the bottom of the cylindrical shell being provided with a water supply assembly extending therein, the bottom of the annular stepped protrusion being fixedly connected with a support ring, the inner side of the support ring being rotatably connected with a self-rotating flushing assembly located outside the filter basket and communicating with the water supply assembly.

[0008] The beneficial effects of the utility model are:

[0009] The sewage treatment filter with easy internal cleaning has high-pressure water connected to a water supply component. When there is only a small amount of material in the filter basket and the sewage passing rate is low, the sewage is stopped from passing through the device to drain the water inside the cylindrical shell. The water supply component is opened, and the high-pressure water flows into the self-rotating flushing component through the water supply component and is then sprayed onto the outer surface of the filter basket through the self-rotating flushing component. During this process, the reaction force generated by the injection of high-pressure water drives the self-rotating flushing component to rotate outside the filter basket, thereby rotating around the filter basket and flushing. This has the advantage of clearing the sieve holes by flushing the outer wall of the filter basket when there is only a small amount of material in the filter basket, thereby reducing the frequency of opening the sealing end cover to remove the filter basket for cleaning material.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the water supply assembly includes a rotary joint and a valve, the bottom of the cylindrical shell is fixedly connected to the rotary joint with its rotating end extending therein, and the interface end of the rotary joint is fixedly connected to the valve in communication therewith;

[0012] Furthermore, the self-rotating flushing assembly includes a support ring, an L-shaped elbow, a diverter cover and a perforation. The inner side of the support ring is rotatably connected to the support ring. The bottom of the support ring is fixedly connected to the L-shaped elbows distributed in a circular array and located outside the filter basket. The end of the L-shaped elbow away from the support ring is fixedly connected to the same diverter cover located below the filter basket. The diverter cover is connected to the L-shaped elbow, and the diverter cover is fixedly connected and connected to the rotating end of the rotary joint. Perforations distributed vertically at equal distances are provided on the outside of the L-shaped elbow, and the angle between the perforation opening and the line connecting the axes of the filter basket and the L-shaped elbow is 30°.

[0013] The beneficial effect of adopting the above further solution is that when high-pressure water is connected to the valve, when there is only a small amount of material in the filter basket and the sewage pass rate is low, the sewage is stopped from passing through the device, the water inside the cylindrical shell is emptied, and the valve is opened. The high-pressure water flows into the diverter cover through the valve and the rotary joint, and then flows into the L-shaped elbow and is sprayed onto the outer surface of the filter basket through the perforations. During this process, because the perforation opening is at an angle of 30° to the line connecting the axes of the filter basket and the L-shaped elbow, the reaction force generated by the high-pressure water ejected through the perforations pushes the L-shaped elbow to rotate outside the filter basket, thereby rotating around the filter basket and flushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2This is a schematic diagram of the appearance structure of the utility model;

[0016] Figure 3 This is a top sectional view of the L-shaped elbow of the utility model;

[0017] Figure 4 This is an enlarged schematic diagram of the structure at point a of the utility model;

[0018] Figure 5 This is an enlarged schematic diagram of the structure at point b of the utility model;

[0019] Figure 6 It is an enlarged schematic diagram of the structure at point c of the present invention.

[0020] In the figure: 1. Columnar shell; 2. Sealing end cover; 3. Filter basket; 4. Annular stepped protrusion; 5. Sewage chamber; 6. Clean water chamber; 7. Water inlet pipe; 8. Drain pipe; 9. Water supply assembly; 901. Rotary joint; 902. Valve; 10. Support ring; 11. Self-rotating flushing assembly; 111. Support ring; 112. L-shaped elbow; 113. Diverter hood; 114. Perforation. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] In the embodiment, Figure 1-6 A sewage treatment filter that is easy to clean internally is given. The utility model includes a cylindrical shell 1, a sealing end cover 2 and a filter basket 3. The inner wall of the cylindrical shell 1 is provided with an annular stepped protrusion 4 adapted to the filter basket 3. The annular stepped protrusion 4 divides the cylindrical shell 1 from top to bottom into a sewage chamber 5 and a clean water chamber 6. The left side of the cylindrical shell 1 is fixedly connected to a water inlet pipe 7 communicating with the sewage chamber 5, and the right side of the cylindrical shell 1 is fixedly connected to a drain pipe 8 communicating with the clean water chamber 6. The bottom of the cylindrical shell 1 is provided with a water supply assembly 9 extending therein, and the bottom of the annular stepped protrusion 4 is fixedly connected to a support ring 10. The inner side of the support ring 10 is rotatably connected to a self-rotating flushing assembly 11 located on the outside of the filter basket 3 and connected to the water supply assembly 9;

[0023] The water supply assembly 9 includes a rotary joint 901 and a valve 902. The bottom of the cylindrical housing 1 is fixedly connected to the rotary joint 901 with its rotating end extending therein, and the interface end of the rotary joint 901 is fixedly connected to the valve 902 in communication therewith.

[0024] The self-rotating flushing assembly 11 includes a support ring 111, an L-shaped elbow 112, a diverter cover 113 and a perforation 114. The inner side of the support ring 10 is rotatably connected to the support ring 111. The bottom of the support ring 111 is fixedly connected to the L-shaped elbow 112 distributed in a ring array and located on the outside of the filter basket 3. The end of the L-shaped elbow 112 away from the support ring 111 is fixedly connected to the same diverter cover 113 located below the filter basket 3. The diverter cover 113 is connected to the L-shaped elbow 112. The diverter cover 113 is fixedly connected and connected to the rotating end of the rotary joint 901. The outside of the L-shaped elbow 112 is provided with perforations 114 distributed vertically at equal distances. The opening of the perforations 114 is 30° from the line connecting the axes of the filter basket 3 and the L-shaped elbow 112.

[0025] High-pressure water is connected to valve 902. When only a small amount of material remains in filter basket 3 and the sewage flow rate is low, the sewage is stopped from passing through the device to drain the water inside cylindrical housing 1. Valve 902 is then opened, and the high-pressure water flows through valve 902 and rotary joint 901 into diverter hood 113, then into L-shaped elbow 112, and is ejected through perforations 114 onto the outer surface of filter basket 3. During this process, because the opening of perforations 114 is at an angle of 30° to the line connecting the axes of filter basket 3 and L-shaped elbow 112, the reaction force generated by the high-pressure water ejected through perforations 114 pushes L-shaped elbow 112 to rotate outside filter basket 3, thereby rotating around filter basket 3 and flushing it.

[0026] Working principle:

[0027] Step 1: Connect high-pressure water to valve 902. When there is only a small amount of material in the filter basket 3 and the sewage passing rate is low, stop the sewage from passing through the device to drain the water inside the cylindrical shell 1 and open valve 902.

[0028] Step 2: High-pressure water flows into the diverter cover 113 through the valve 902 and the rotary joint 901, then flows into the L-shaped elbow 112 and is sprayed through the perforations 114 onto the outer surface of the filter basket 3;

[0029] Step 3: During the second step, since the angle between the opening of the perforation 114 and the axis connecting the filter basket 3 and the L-shaped elbow 112 is 30 degrees, the reaction force generated by the high-pressure water ejected through the perforation 114 pushes the L-shaped elbow 112 to rotate outside the filter basket 3, thereby rotating around the filter basket 3 and flushing, clearing the sieve holes of the filter basket 3, and reducing the frequency of opening the sealing end cover 2 to remove the filter basket 3 for cleaning materials.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sewage treatment filter that is easy to clean internally, comprising a cylindrical housing (1), a sealing end cover (2) and a filter basket (3), characterized in that: The inner wall of the columnar shell (1) is provided with an annular stepped protrusion (4) adapted to the filter basket (3), and the annular stepped protrusion (4) divides the columnar shell (1) from top to bottom into a sewage chamber (5) and a clean water chamber (6). The left side of the columnar shell (1) is fixedly connected to a water inlet pipe (7) communicating with the sewage chamber (5), and the right side of the columnar shell (1) is fixedly connected to a drain pipe (8) communicating with the clean water chamber (6). The bottom of the columnar shell (1) is provided with a water supply assembly (9) extending therein, and the bottom of the annular stepped protrusion (4) is fixedly connected to a support ring (10), and the inner side of the support ring (10) is rotatably connected to a self-rotating flushing assembly (11) located outside the filter basket (3) and communicating with the water supply assembly (9).

2. A sewage treatment filter that is easy to clean internally according to claim 1, characterized in that: The water supply assembly (9) comprises a rotary joint (901) and a valve (902); the bottom of the columnar housing (1) is fixedly connected to the rotary joint (901) with its rotary end extending therein; the interface end of the rotary joint (901) is fixedly connected to the valve (902) in communication therewith.

3. A sewage treatment filter that is easy to clean internally according to claim 2, characterized in that: The self-rotating flushing assembly (11) comprises a support ring (111), an L-shaped elbow (112), a diversion cover (113) and a perforation (114); the inner side of the support ring (10) is rotatably connected to the support ring (111); the bottom of the support ring (111) is fixedly connected to the L-shaped elbow (112) distributed in a circular array and located outside the filter basket (3); the end of the L-shaped elbow (112) away from the support ring (111) is fixedly connected to the same A flow divider (113) is provided below the filter basket (3), the flow divider (113) is connected to the L-shaped elbow (112), the flow divider (113) is fixedly connected to and connected to the rotating end of the rotary joint (901), and the outer side of the L-shaped elbow (112) is provided with perforations (114) distributed at equal distances in the vertical direction, and the opening direction of the perforations (114) is 30 degrees with respect to the axis connecting the filter basket (3) and the L-shaped elbow (112).

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