Automatic cleaning device for continuous sand filter of sewage plant
By improving the sensor housing structure and the fixing method of the central sand lifting pipe, the problems of sensor accuracy and durability were solved, realizing high-precision monitoring of the sensor and convenient disassembly and assembly of the central sand lifting pipe, thereby improving the cleaning effect of the continuous sand filter in the sewage treatment plant.
Patent Information
- Application Number
- CN202423219457.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The existing automatic cleaning devices for continuous sand filters in wastewater treatment plants have sensors with low accuracy and poor durability, and the central sand lifting pipe is prone to wear and difficult to disassemble.
The sensor housing and bracket are fixed at three points using an upper and lower shell structure. The turbidity sensor has a through hole on the inner wall. The quick-release cylinder fixes the central sand lifting tube through the limiting head, limiting groove and connecting spring, simplifying disassembly and assembly.
The improved sensor accuracy and stability, along with the ease of disassembly and assembly of the central sand-lifting pipe, enhance the cleaning effect.
Smart Images
Figure CN223716470U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to continuous sand filter technology field, concretely relates to a kind of automatic cleaning device of sewage plant continuous sand filter. BACKGROUND
[0002] Continuous sand filter, also known as external circulation continuous sand filter, is a kind of high-efficiency filtration equipment for sewage treatment, and its working principle is to form sand bed by layering quartz sand, sea sand and other filtering materials, to filter particles, suspended solids and other impurities in sewage, so as to achieve the purpose of purifying sewage.
[0003] Automatic cleaning device will be installed incontinuous sand filter, but the existing automatic cleaning device has certain inconvenience when using;
[0004] Firstly, the existing automatic cleaning device is used in cooperation with turbidity sensor, and the existing sensor is mostly installed on the external shell, but the sensing accuracy of sensor is generally affected by water flow, and the durability and structural stability are general;
[0005] Secondly, the central sand lifting pipe of the existing automatic cleaning device is prone to wear and tear, and needs to be replaced after long-term use, and the existing central sand lifting pipe is fixed by support, and is not easy to disassemble.
[0006] Therefore, we propose a kind of automatic cleaning device of sewage plant continuous sand filter. CONTENT OF UTILITY MODEL
[0007] The main purpose of the utility model is to provide a kind of automatic cleaning device of sewage plant continuous sand filter, which can effectively solve the problems in the background art.
[0008] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows: an automatic cleaning device of sewage plant continuous sand filter, comprising an outer shell, a fixing sleeve is arranged in the middle of the outer shell, a central sand lifting pipe is arranged in the middle of the fixing sleeve, a quick release cylinder is detachably connected to the outer surface of the lower end of the fixing sleeve, a sand guide seat is detachably connected to the outer surface of one end of the central sand lifting pipe, a support is detachably connected to the outer surface of the upper end of the sand guide seat, a sensor housing and a sand guide head are arranged on the outer wall of the support, the sand guide head is located on one side of the sensor housing, a recess and a cable tie opening are arranged on the outer wall of the sensor housing, the cable tie opening is located on both sides of the recess, a turbidity sensor is arranged in the middle of the sensor housing, and a transparent acrylic disc is detachably connected to the middle of the turbidity sensor.
[0009] Preferably, the outer wall of the quick release cylinder is provided with a limiting groove, the outer wall of the central sand lifting pipe is provided with an embedded groove, a limiting head is arranged in the middle of the embedded groove, and a connecting spring is arranged between the limiting head and the embedded groove.
[0010] Preferably, the sensor shell and the groove are integrally formed, and the sensor shell is detachably connected with the support through the groove.
[0011] Preferably, the center sand lifting pipe penetrates the fixing sleeve and the quick release cylinder, and the inner wall of the sensor shell is provided with a through hole.
[0012] Preferably, the quick release cylinder and the limiting groove are integrally formed, and the limiting groove is in a symmetrical structure.
[0013] Preferably, the center sand lifting pipe and the built-in groove are integrally formed, and the limiting head is detachably connected with the built-in groove through the connecting spring.
[0014] Compared with the prior art, the utility model has the advantages of:
[0015] The sensor shell is provided with an upper shell and a lower shell, is fixed on the support in a three-point clamping mode, has high stability, and is provided with a through hole in the inner wall, so that the turbidity sensor is attached to the inner wall of the sensor shell, the sensing monitoring is facilitated, the sensor shell is not affected by water flow and other factors, has high precision, and the cleaning effect can be improved according to the monitoring data; the quick release cylinder is mainly used for fixing and mounting the center sand lifting pipe, the center sand lifting pipe is clamped into the limiting groove for fixation, and when disassembled, the limiting head is only needed to be pressed to compress the connecting spring, so that the quick release cylinder can be separated, and the disassembly and assembly are convenient. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is a whole structure schematic view of the utility model;
[0017] Fig. 2 It is an internal structure view of the sensor shell of the utility model;
[0018] Fig. 3 It is a sectional structure view of the quick release cylinder of the utility model.
[0019] In the drawing: 1, outer shell; 2, fixing sleeve; 3, center sand lifting pipe; 4, quick release cylinder; 5, sand guide base; 6, support; 7, sensor shell; 8, sand guide head; 9, groove; 10, cable tie opening; 11, turbidity sensor; 12, acrylic transparent disc; 13, limiting groove; 14, built-in groove; 15, limiting head; 16, connecting spring. DETAILED DESCRIPTION
[0020] In order to make the skilled in the art better understand the technical scheme of the utility model, the utility model will be further introduced in detail in combination with the drawings.
[0021] As Figs. 1-3As shown, the automatic cleaning device of the continuous sand filter tank of the sewage plant provided in the utility model embodiment comprises an outer shell 1, a fixed sleeve 2 is arranged at the middle part of the outer shell 1, a center sand lifting pipe 3 is arranged at the middle part of the fixed sleeve 2, a quick release cylinder 4 is detachably connected to the outer surface of the lower end of the fixed sleeve 2, a sand guide base 5 is detachably connected to the outer surface of one end of the center sand lifting pipe 3, a support 6 is detachably connected to the outer surface of the upper end of the sand guide base 5, a sensor shell 7 and a sand guide head 8 are arranged on the outer wall of the support 6, the sand guide head 8 is located at one side of the sensor shell 7, a groove 9 and a cable tie opening 10 are arranged on the outer wall of the sensor shell 7, the cable tie opening 10 is located at the two sides of the groove 9, a turbidity sensor 11 is arranged at the middle part of the sensor shell 7, and an acrylic transparent round piece 12 is detachably connected to the middle part of the turbidity sensor 11.
[0022] Specifically, in the embodiment, the automatic cleaning device of the continuous sand filter tank of the sewage plant comprises an outer shell 1, a fixed sleeve 2 is arranged at the middle part of the outer shell 1, a center sand lifting pipe 3 is arranged at the middle part of the fixed sleeve 2, a quick release cylinder 4 is detachably connected to the outer surface of the lower end of the fixed sleeve 2, a sand guide base 5 is detachably connected to the outer surface of one end of the center sand lifting pipe 3, a support 6 is detachably connected to the outer surface of the upper end of the sand guide base 5, a sensor shell 7 and a sand guide head 8 are arranged on the outer wall of the support 6, the sand guide head 8 is located at one side of the sensor shell 7, a groove 9 and a cable tie opening 10 are arranged on the outer wall of the sensor shell 7, the cable tie opening 10 is located at the two sides of the groove 9, a turbidity sensor 11 is arranged at the middle part of the sensor shell 7, and an acrylic transparent round piece 12 is detachably connected to the middle part of the turbidity sensor 11.
[0023] The automatic cleaning device of the continuous sand filter tank of the sewage plant provided in the utility model is provided with the sensor shell 7 which adopts an upper and lower shell structure when in use and is fixed on the support 6 in a three-point clamping mode, has high stability when in use, and is provided with a through hole in the inner wall of the sensor shell 7, so that the turbidity sensor 11 is attached to the inner wall of the sensor shell 7, sensing monitoring is facilitated, the device is not affected by water flow and other factors when in use, has high precision, and can improve the cleaning effect according to monitoring data.
[0024] In one embodiment of the utility model, the outer wall of the quick release cylinder 4 is provided with a limiting groove 13, the outer wall of the center sand lifting pipe 3 is provided with an embedded groove 14, the middle part of the embedded groove 14 is provided with a limiting head 15, a connecting spring 16 is arranged between the limiting head 15 and the embedded groove 14, and the quick release cylinder 4 is mainly used for fixing and installing the center sand lifting pipe 3 when in use, so that the center sand lifting pipe 3 is clamped into the limiting groove 13 for fixation, and when disassembled, the limiting head 15 is only needed to be pressed to compress the connecting spring 16, so that the quick release cylinder 4 can be separated, and the device is convenient to disassemble and assemble.
[0025] In another embodiment of the utility model, the sensor shell 7 and the groove 9 are integrally formed, the sensor shell 7 is detachably connected with the support 6 through the groove 9, and the groove 9 is mainly used for clamping the sensor shell 7 on the surface of the support 6.
[0026] In still another embodiment of the utility model, the center sand lifting pipe 3 penetrates the fixing sleeve 2 and the quick release cylinder 4, the inner wall of the sensor shell 7 is provided with a through hole, and the through hole is mainly used for facilitating the monitoring of the turbidity sensor 11.
[0027] In one embodiment of the utility model, the quick release cylinder 4 and the limiting groove 13 are integrally formed, the limiting groove 13 is in a symmetrical structure, and the limiting groove 13 is mainly used for fixing the limiting head 15 in use.
[0028] In another embodiment of the utility model, the center sand lifting pipe 3 and the built-in groove 14 are integrally formed, the limiting head 15 is detachably connected with the built-in groove 14 through the connecting spring 16, and the connecting spring 16 facilitates the contraction and rebound of the limiting head 15 in use.
[0029] It should be noted that the utility model is an automatic cleaning device for a continuous sand filter tank of a sewage plant, which can pass the center sand lifting pipe 3 through the quick release cylinder 4 in use, and when the limiting head 15 is contracted and inserted into the quick release cylinder 4 and is positioned in the limiting groove 13, the connecting spring 16 will pop out the limiting head 15 to fix it in the limiting groove 13, so that the positioning and installation of the center sand lifting pipe 3 are completed, and when disassembling, the limiting head 15 is only needed to be pressed to compress the connecting spring 16, so that the disconnection is completed, which is convenient for disassembling, the turbidity sensor 11 is externally provided with the sensor shell 7, the sensor shell 7 adopts an upper and lower shell structure and is fixed on the support 6 in a three-point clamping mode, then the strap is fixed by being inserted into the strap port 10, which is high in stability in use, the inner wall of the sensor shell 7 is provided with a through hole, the turbidity sensor 11 is attached to the inner wall of the sensor shell 7, the water source lifted from the center sand lifting pipe 3 is conveniently monitored, is not affected by water flow and other factors in use, is high in precision, can improve the cleaning effect according to the monitoring data, and is practical.
[0030] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.
Claims
1. An automatic cleaning device for a continuous sand filter of a sewage plant, comprising an outer housing (1), characterized in that: The middle part of the outer shell (1) is provided with a fixing sleeve (2), the middle part of the fixing sleeve (2) is provided with a center sand lifting pipe (3), the lower end outer surface of the fixing sleeve (2) is detachably connected with a quick release cylinder (4), the outer surface of one end of the center sand lifting pipe (3) is detachably connected with a sand guide seat (5), the upper end outer surface of the sand guide seat (5) is detachably connected with a support (6), the outer wall of the support (6) is provided with a sensor shell (7) and a sand guide head (8), the sand guide head (8) is located on one side of the sensor shell (7), the outer wall of the sensor shell (7) is provided with a groove (9) and a cable tie opening (10), the cable tie opening (10) is located on both sides of the groove (9), the middle part of the sensor shell (7) is provided with a turbidity sensor (11), and the middle part of the turbidity sensor (11) is detachably connected with an acrylic transparent disc (12).
2. The automatic cleaning device for continuous sand filter of sewage plant according to claim 1, characterized in that: The outer wall of the quick release cylinder (4) is provided with a limiting groove (13), the outer wall of the center sand lifting pipe (3) is provided with an embedded groove (14), the middle part of the embedded groove (14) is provided with a limiting head (15), and the limiting head (15) and the embedded groove (14) are provided with a connecting spring (16).
3. The automatic cleaning device for continuous sand filter of sewage plant according to claim 1, characterized in that: The sensor shell (7) and the groove (9) are an integral molding structure, and the sensor shell (7) is detachably connected with the support (6) through the groove (9).
4. The automatic cleaning device for continuous sand filter of sewage plant according to claim 1, characterized in that: The center sand lifting pipe (3) penetrates the fixing sleeve (2) and the quick release cylinder (4), and the inner wall of the sensor shell (7) is provided with a through hole.
5. The automatic cleaning device for continuous sand filter of sewage plant according to claim 2, characterized in that: The quick release cylinder (4) and the limiting groove (13) are an integral molding structure, and the limiting groove (13) is in a symmetrical structure.
6. The automatic cleaning device of a continuous sand filter of a sewage plant according to claim 2, characterized in that: The center sand lifting pipe (3) and the embedded groove (14) are an integral molding structure, and the limiting head (15) is detachably connected with the embedded groove (14) through the connecting spring (16).