Sewage filter screen convenient to replace

Abstract

The utility model discloses a sewage filter screen convenient to replace, which belongs to the field of sewage filter screens and comprises a sewage filter equipment shell, four mounting support plates are symmetrically mounted at the left end and the right end of the sewage filter equipment shell, and filter screen components are mounted on the sewage filter equipment shell and the four mounting support plates. The filter screen assembly is composed of an unwinding roller, an upper supporting roller, a lower supporting roller, a winding roller and a filter screen body, the unwinding roller and the winding roller are rotationally installed on the four installation supporting plates, the unwinding roller is located on the rear side of the sewage filtering equipment shell, and the winding roller is located on the front side of the sewage filtering equipment shell; according to the sewage filtering equipment, the mounting supporting plate is arranged on the sewage filtering equipment shell, and the filter screen assembly consisting of the filter screen main body, the unwinding roller, the upper supporting roller, the lower supporting roller and the winding roller is arranged on the sewage filtering equipment shell and the mounting supporting plate, so that the filter screen replacement step is relatively simple, and the filter screen replacement efficiency can be improved; therefore, the filter screen is more convenient to replace.

Description

Technical Field

[0001] The utility model relates to the field of sewage filter nets, in particular to a sewage filter net which is easy to replace. Background Art

[0002] Sewage filtration is an important part of the sewage treatment process. Its main purpose is to remove pollutants such as suspended matter, solid particles, organic matter, heavy metals, etc. in sewage through physical, chemical or biological methods. Filters are often used in sewage filtration devices to filter large particles of impurities in sewage. In order to ensure the normal operation and filtration effect of the sewage filtration device, the filter needs to be checked and replaced regularly. In the existing patent application with application number CN202222122494.3, a filter disassembly and assembly structure for a sewage filter for ecological environment governance is proposed. When disassembling and replacing the sewage filter, it is necessary to disassemble and assemble multiple bolts, which makes the replacement steps of the sewage filter more cumbersome and complicated, thereby reducing the efficiency of disassembly and replacement of the sewage filter, and ultimately causing inconvenience to the disassembly and replacement of the sewage filter. Therefore, a sewage filter that is easy to replace is needed. Utility Model Content

[0003] The main purpose of the utility model is to provide a sewage filter screen that is easy to replace, which can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A sewage filter that is easy to replace, comprises a sewage filter device shell, four mounting support plates are symmetrically installed at the left and right ends of the sewage filter device shell, a filter screen assembly is installed on the sewage filter device shell and the four mounting support plates, the filter screen assembly consists of a unwinding roller, an upper support roller, a lower support roller, a winding roller and a filter screen body, the unwinding roller and the winding roller are rotatably installed on the four mounting support plates, and the unwinding roller is located at the rear side of the sewage filter device shell, the winding roller is located at the front side of the sewage filter device shell, two of the upper support roller and the lower support roller are each provided, and the upper support roller and the lower support roller are both rotatably installed in the sewage filter device shell, the filter screen body is wound on the unwinding roller and the winding roller, and at the same time, the filter screen body bypasses the two upper support rollers and the two lower support rollers.

[0006] Preferably, two inlet and outlet slots are symmetrically provided on the walls on the front and rear sides of the sewage filtering equipment shell, eight mounting shaft holes are symmetrically provided on the walls on the left and right sides of the sewage filtering equipment shell, and a water outlet pipe is fixedly installed on the lower side of the rear end of the sewage filtering equipment shell.

[0007] Preferably, a water inlet structure is installed on the front side wall of the sewage filtering equipment housing, and the water inlet structure is also located above the filter screen assembly.

[0008] Preferably, the water inlet structure consists of a water inlet pipe and a water distribution hood, the water inlet pipe passes through the front side wall of the sewage filtering equipment shell, and the water inlet pipe is fixedly connected to the front side wall of the sewage filtering equipment shell, and the water distribution hood is fixedly installed at the lower end of the water inlet pipe and is simultaneously located in the sewage filtering equipment shell.

[0009] Preferably, an axial hole is provided on the mounting support plate, and the mounting support plate is fixedly connected to the housing of the sewage filtering equipment.

[0010] Preferably, the unwinding roller and the winding roller on the filter screen assembly are both rotatably mounted on the shaft hole opened on the mounting support plate, the upper support roller and the lower support roller are both rotatably mounted on the mounting shaft holes opened on the left and right side walls of the sewage filtering equipment housing, the filter screen body passes through the inlet and outlet grooves opened on the front and rear side walls of the sewage filtering equipment housing, and the filter screen body simultaneously bypasses the inner side of the upper support roller and the lower side of the lower support roller.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] By arranging an installation support plate on the sewage filter equipment shell, and arranging a filter mesh assembly consisting of a filter mesh main body, a unwinding roller, an upper support roller, a lower support roller and a winding roller on the sewage filter equipment shell and the installation support plate, when in use, it is only necessary to install a certain length of the filter mesh main body on the unwinding roller, and at the same time make one end of the filter mesh main body pass around the upper support roller and the lower support roller and then be wound and fixed on the winding roller. When it is necessary to replace the used part of the filter mesh main body, it is only necessary to rotate the winding roller, rewind the used part of the filter mesh main body onto the winding roller, and tear off the unused part of the filter mesh main body from the unwinding roller, so that the unused part of the filter mesh main body is finally placed under the water distribution cover. At this time, the replacement of the filter mesh is completed, and the replacement steps are relatively simple, thereby improving the efficiency of the filter mesh replacement, and making the filter mesh easier to replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the sewage filtering equipment housing and the mounting support plate of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure of the sewage filtering equipment housing after being cut away;

[0016] Figure 4 It is a structural schematic diagram of the filter screen assembly of the utility model.

[0017] In the figure: 1. Sewage filtration equipment shell; 2. Water inlet structure; 3. Installation support plate; 4. Filter mesh assembly; 5. Inlet and outlet slots; 6. Installation shaft hole; 7. Water outlet pipe; 8. Water inlet pipe; 9. Water distribution cover; 10. Filter mesh body; 11. Unwinding roller; 12. Upper support roller; 13. Lower support roller; 14. Rewinding roller. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a sewage filter that is easy to replace includes a sewage filter device housing 1, two inlet and outlet slots 5 are symmetrically opened on the walls on the front and rear sides of the sewage filter device housing 1, eight mounting shaft holes 6 are symmetrically opened on the walls on the left and right sides of the sewage filter device housing 1, a water outlet pipe 7 is fixedly installed on the lower side of the rear end of the sewage filter device housing 1, a water inlet structure 2 is installed on the front side wall of the sewage filter device housing 1, the water inlet structure 2 is also located above the filter screen assembly 4, the water inlet structure 2 is composed of a water inlet pipe 8 and a water distribution cover 9, the water inlet pipe 8 passes through the front side wall of the sewage filter device housing 1, and the water inlet pipe 8 is fixedly connected to the front side wall of the sewage filter device housing 1, and the water distribution cover 9 is fixedly installed at the lower end of the water inlet pipe 8 and is also located in the sewage filter device housing 1.

[0020] See also Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, four mounting support plates 3 are symmetrically installed at the left and right ends of the sewage filter housing 1, and a filter screen assembly 4 is installed on the sewage filter housing 1 and the four mounting support plates 3. The filter screen assembly 4 consists of a reel 11, an upper support roller 12, a lower support roller 13, a reel 14 and a filter screen body 10. The reel 11 and the reel 14 are rotatably installed on the four mounting support plates 3, and the reel 11 is located at the rear side of the sewage filter housing 1, and the reel 14 is located at the front side of the sewage filter housing 1. There are two upper support rollers 12 and two lower support rollers 13, and the upper support roller 11 and the lower support roller 13 are both provided with two. The upper support roller 12 and the lower support roller 13 are both rotatably mounted in the sewage filtering device housing 1, the filter body 10 is rolled up on the unwinding roller 11 and the winding roller 14, and the filter body 10 is bypassed from the two upper support rollers 12 and the two lower support rollers 13, an axial hole is opened on the mounting support plate 3, and the mounting support plate 3 is fixedly connected to the sewage filtering device housing 1, the unwinding roller 11 and the winding roller 14 on the filter assembly 4 are both rotatably mounted on the axial hole opened on the mounting support plate 3, and the upper support roller 12 and the lower support roller 13 are both rotatably mounted on the mounting axial holes opened on the left and right side walls of the sewage filtering device housing 1 6, the filter body 10 passes through the inlet and outlet slots 5 provided on the front and rear side walls of the sewage filter housing 1, and the filter body 10 bypasses the inner side of the upper support roller 12 and the lower side of the lower support roller 13 at the same time. By arranging the mounting support plate 3 on the sewage filter housing 1, the filter assembly 4 consisting of the filter body 10, the unwinding roller 11, the upper support roller 12, the lower support roller 13 and the winding roller 14 is arranged on the sewage filter housing 1 and the mounting support plate 3. When in use, only a certain length of the filter body 10 needs to be mounted on the unwinding roller 11, and the filter body 10 can be easily removed. One end of 10 is wound around the upper support roller 12 and the lower support roller 13 and then fixed on the winding roller 14. When the used part of the filter screen body 10 needs to be replaced, the winding roller 14 only needs to be rotated to wind up the used part of the filter screen body 10 onto the winding roller 14, and the unused part of the filter screen body 10 is pulled off from the unwinding roller 11, and finally the unused part of the filter screen body 10 is placed under the water distribution cover 9. At this time, the replacement of the filter screen is completed, and the replacement steps are relatively simple, thereby improving the efficiency of the filter screen replacement, and making the filter screen easier to replace.

[0021] It should be noted that the utility model is a sewage filter that is easy to replace. When in use, it is only necessary to install a certain length of the filter body 10 on the unwinding roller 11, and at the same time, one end of the filter body 10 is wound around the upper support roller 12 and the lower support roller 13 and then fixed on the winding roller 14. When filtering sewage, the sewage to be treated and filtered can be sent into the sewage filter device housing 1 through the water inlet structure 2, and the sewage entering the sewage filter device housing 1 will be filtered by the filter body 10, and then the filtered sewage will flow out from the outlet pipe 7; when it is necessary to replace the used part of the filter body 10, it is only necessary to rotate the winding roller 14, so that the used part of the filter body 10 is wound onto the winding roller 14, and the unused part of the filter body 10 is pulled off from the unwinding roller 11, and finally the unused part of the filter body 10 is placed below the water distribution cover 9, and the replacement of the used part of the filter body 10 is completed at this time.

[0022] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model. The protection scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A sewage filter that is easy to replace, comprising a sewage filter housing (1), characterized in that: Four mounting support plates (3) are symmetrically mounted on the left and right ends of the sewage filtering device housing (1); a filter screen assembly (4) is mounted on the sewage filtering device housing (1) and the four mounting support plates (3); the filter screen assembly (4) is composed of an unwinding roller (11), an upper support roller (12), a lower support roller (13), a winding roller (14) and a filter screen body (10); the unwinding roller (11) and the winding roller (14) are rotatably mounted on the four mounting support plates (3); and the unwinding roller (11) is located The invention relates to a sewage filter device, wherein the filter screen body (10) is wound on the unwinding roller (11) and the winding roller (14) is located on the front side of the sewage filter device body (1), and the upper support roller (12) and the lower support roller (13) are both provided with two, and the upper support roller (12) and the lower support roller (13) are both rotatably mounted in the sewage filter device body (1), and the filter screen body (10) is wound on the unwinding roller (11) and the winding roller (14), and the filter screen body (10) is wound around the two upper support rollers (12) and the two lower support rollers (13).

2. The easily replaceable sewage filter according to claim 1, characterized in that: Two inlet and outlet slots (5) are symmetrically provided on the walls on the front and rear sides of the sewage filter housing (1), eight mounting shaft holes (6) are symmetrically provided on the walls on the left and right sides of the sewage filter housing (1), and a water outlet pipe (7) is fixedly installed on the lower side of the rear end of the sewage filter housing (1).

3. The easily replaceable sewage filter according to claim 2, characterized in that: A water inlet structure (2) is installed on the front side wall of the sewage filtering equipment housing (1), and the water inlet structure (2) is also located above the filter screen assembly (4).

4. The easily replaceable sewage filter according to claim 3, characterized in that: The water inlet structure (2) is composed of a water inlet pipe (8) and a water distribution cover (9); the water inlet pipe (8) passes through the front side wall of the sewage filtering device housing (1), and the water inlet pipe (8) is fixedly connected to the front side wall of the sewage filtering device housing (1); the water distribution cover (9) is fixedly installed at the lower end of the water inlet pipe (8) and is simultaneously located in the sewage filtering device housing (1).

5. The easily replaceable sewage filter according to claim 4, characterized in that: An axial hole is provided on the mounting support plate (3), and the mounting support plate (3) is fixedly connected to the sewage filtering equipment housing (1).

6. The easily replaceable sewage filter according to claim 5, characterized in that: The unwinding roller (11) and the winding roller (14) on the filter screen assembly (4) are both rotatably mounted on the shaft hole provided on the mounting support plate (3); the upper support roller (12) and the lower support roller (13) are both rotatably mounted on the mounting shaft holes (6) provided on the left and right side walls of the sewage filtering device housing (1); the filter screen body (10) passes through the inlet and outlet slots (5) provided on the front and rear side walls of the sewage filtering device housing (1); and the filter screen body (10) simultaneously bypasses the inner side of the upper support roller (12) and the lower side of the lower support roller (13).

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