Sampling equipment in sewage treatment process

By designing a multi-point sampling device, combined with positioning components and automated control, the problem of inaccurate single-point sampling in wastewater treatment was solved, enabling accurate multi-point sampling and long-sequence monitoring, and improving operational convenience and equipment maintenance efficiency.

CN223551401UActive Publication Date: 2025-11-14BEIJING JIUJIE QIRONG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423027157.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-11-14
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

In existing wastewater treatment processes, sampling is mostly done at single points, which is easily affected by the site conditions, making it difficult to achieve accurate sampling at multiple points and inconvenient to operate. Furthermore, the sampling devices are not suitable for long-term monitoring.

Method used

Design a sampling device comprising a sampling tube assembly, a positioning assembly, and a fixing connector assembly. The sampling tube assembly is spaced apart on the side wall of the sewage treatment tank. Combined with the positioning assembly and baffle, it enables multi-point sampling and is automatically controlled by a water pump and a sampling machine.

Benefits of technology

It achieves precise sampling at multiple points, ensuring sampling accuracy and convenient operation, supports long-sequence process monitoring, and the equipment is easy to install and maintain.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses sampling equipment in a sewage treatment process. The sampling equipment comprises a sampling pipe assembly arranged on the side wall of a sewage treatment pool, a pipeline connected to the top of the sampling pipe assembly, and a water suction pump and a sampling machine which are connected to the downstream of the pipeline, the sampling pipe assembly comprises an outer cylinder, an inner pipe arranged in the outer cylinder, a bottom pipe connected to the bottom of the inner pipe, a sampling pipe arranged between the outer cylinder and the inner pipe, a valve arranged on the sampling pipe and a baffle connected to the top of the outer cylinder. According to the utility model, through the combined arrangement of the sampling pipe assembly and the positioning assembly, the positioning and fixed-point sampling of the sampling pipe assembly is ensured, the sampling precision is ensured, and the process monitoring of a long sequence is facilitated; by arranging a plurality of sampling pipes, a bottom pipe and a plurality of groups of sampling pipe assemblies in the vertical direction, the multi-point process sampling in the sewage treatment tank is ensured; and through the arrangement of the baffle, the sampling pipe assembly can be integrally lapped and mounted on the fixing assembly, and replacement and maintenance are also facilitated.
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Description

Technical Field

[0001] This utility model belongs to the field of wastewater treatment sampling technology, and specifically relates to a sampling device in the wastewater treatment process. Background Technology

[0002] Wastewater sampling is a crucial method for measuring the pollutant content in water bodies at the time of sampling. In wastewater treatment, sampling is essential for better controlling parameters such as additives, aeration, and treatment time, and for optimizing the treatment process. Traditional sampling methods often employ single-point sampling, which is highly susceptible to site conditions, makes it difficult to control the sampling location, and the sampling devices are mostly disposable pull-out type, which is not conducive to long-term process monitoring at multiple points. Therefore, there is a need for the targeted design of multi-point, precise, and easy-to-operate sampling equipment. Utility Model Content

[0003] This utility model provides a sampling device for wastewater treatment, which solves technical problems such as sampling in wastewater treatment, sampling at different levels, and convenient switching of sampling positions.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A sampling device for wastewater treatment includes a sampling tube assembly disposed on the side wall of a wastewater treatment tank, a pipe connected to the top of the sampling tube assembly, and a water pump and a sampler connected downstream of the pipe.

[0006] The sampling tube assembly includes an outer cylinder, an inner tube disposed inside the outer cylinder, a bottom tube connected to the bottom of the inner tube, a sampling tube disposed between the outer cylinder and the inner tube, a valve disposed on the sampling tube, and a baffle connected to the top of the outer cylinder.

[0007] The sampling tubes are spaced apart along the height of the outer cylinder, and each sampling tube is set at a sampling elevation corresponding to the water body being treated, and is equipped with a sampling through hole.

[0008] Furthermore, the sewage treatment tank is a long concrete tank, and a foundation is provided on the top of the sewage treatment tank; the foundation is solid soil or concrete.

[0009] Furthermore, the bottom pipe is detachably connected to the bottom of the inner pipe, and the length of the bottom pipe is adapted to the sampling elevation of the bottom treated water body; the bottom pipe is also equipped with a valve.

[0010] Furthermore, the sampling tube is equipped with an anti-corrosion layer inside, and the valves on the sampling tube and the bottom tube are wireless automatic valves.

[0011] Furthermore, the positioning component includes a positioning plate and positioning holes provided on the positioning plate. The positioning plate is pre-connected to the inner wall of the sewage treatment tank and is spaced apart in the height direction; the positioning holes are provided corresponding to the diameter of the outer cylinder.

[0012] Furthermore, the baffle is a rectangular plate, and the length of the baffle is greater than the diameter of the positioning hole.

[0013] Furthermore, the fixed joint assembly includes a docking sleeve, a docking riser vertically connected to the bottom of the docking sleeve, a fixed base plate connected to the bottom end of the docking riser, and fixed bolts connected to the four corners of the fixed base plate, wherein the fixed base plate is connected to the foundation by the fixed bolts.

[0014] Furthermore, the connecting sleeve is a horizontal pipe with an inner diameter adapted to accommodate pipes on both sides. One side of the pipe connects to the sampling pipe assembly, and the other side connects to the water pump.

[0015] The beneficial effects of this utility model are reflected in:

[0016] 1) This utility model, through the joint arrangement of the sampling tube assembly and the positioning assembly, facilitates the positioning and sampling of the sampling tube assembly, ensuring sampling accuracy and facilitating long-sequence process monitoring.

[0017] 2) This utility model ensures process sampling at multiple points within the sewage treatment tank through the vertical arrangement of multiple sampling tubes, the arrangement of bottom tubes, and the arrangement of multiple sets of sampling tube assemblies.

[0018] 3) The baffle in this utility model not only facilitates the overall connection and positioning of the sampling tube assembly for installation, but also facilitates replacement and maintenance.

[0019] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention; the main objectives and other advantages of this invention may be realized and obtained by means of the methods particularly pointed out in the description. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the sampling equipment installation process during wastewater treatment;

[0021] Figure 2 This is a schematic diagram of the sampling tube assembly structure;

[0022] Figure 3 This is a schematic diagram of the fixed joint assembly and its connection structure;

[0023] Figure 4 This is a schematic diagram of the positioning components and their connection structure.

[0024] Attached reference numerals: 1-Sewage treatment tank, 2-Foundation, 3-Treatment water body, 4-Sampling pipe assembly, 41-Outer cylinder, 42-Inner pipe, 43-Bottom pipe, 44-Sampling pipe, 45-Valve, 46-Baffle, 5-Pipeline, 6-Sampling machine, 7-Water pump, 8-Fixed joint assembly, 81-Connecting sleeve, 82-Connecting riser, 83-Fixed base plate, 84-Fixed bolt, 9-Positioning assembly, 91-Positioning plate, 92-Positioning hole. Detailed Implementation

[0025] Taking a wastewater treatment tank sampling process as an example, wastewater treatment tank 1 is a long concrete tank, and a foundation 2 is set on top of wastewater treatment tank 1; foundation 2 is a solid soil or concrete foundation 2. For example... Figures 1 to 4 As shown, a sampling device for wastewater treatment includes a sampling tube 44 assembly 4 installed on the side wall of a wastewater treatment tank 1, a pipe 5 connected to the top of the sampling tube 44 assembly 4, and a water pump 7 and a sampler 6 connected downstream of the pipe 5.

[0026] In this embodiment, the sampling tube 44 assembly 4 includes an outer cylinder 41, an inner tube 42 disposed inside the outer cylinder 41, a bottom tube 43 connected to the bottom of the inner tube 42, a sampling tube 44 disposed between the outer cylinder 41 and the inner tube 42, a valve 45 disposed on the sampling tube 44, and a baffle 46 connected to the top of the outer cylinder 41; the outer cylinder 41 is a steel cylinder and has an anti-corrosion layer on its outer side. The inner tube 42 and the sampling tube 44 are steel pipes or plastic pipes; the inside of the sampling tube 44 and the inner tube 42 is provided with an anti-corrosion layer.

[0027] Sampling tubes 44 are spaced apart along the height of the outer cylinder 41, and each sampling tube 44 is set at a sampling elevation corresponding to the water body 3 being treated, and is provided with a sampling through hole.

[0028] In this embodiment, the bottom pipe 43 is detachably connected to the bottom of the inner pipe 42, and the length of the bottom pipe 43 is adapted to the sampling elevation of the bottom treated water body 3; the bottom pipe 43 is also equipped with a valve 45. The valves 45 on the sampling pipe 44 and the bottom pipe 43 are wireless automatic valves 45.

[0029] In this embodiment, the positioning component 9 includes a positioning plate 91 and positioning holes 92 provided on the positioning plate 91. The positioning plate 91 is pre-connected to the inner wall of the sewage treatment tank 1 and is spaced apart in the height direction. The positioning holes 92 are provided corresponding to the diameter of the outer cylinder 41. The baffle 46 is a rectangular plate, and the length of the baffle 46 is greater than the diameter of the positioning hole 92.

[0030] In this embodiment, the fixed joint assembly 8 includes a docking sleeve 81, a steel docking riser 82 vertically connected below the docking sleeve 81, a fixed base plate 83 connected to the bottom end of the docking riser 82, and fixing bolts 84 connected to the four corners of the fixed base plate 83. The fixed base plate 83 is a steel plate and is connected to the foundation 2 by the fixing bolts 84. The docking sleeve 81 is a horizontal steel pipe with an inner diameter adapted to accommodate pipes 5 passing through on both sides. One side of the pipe 5 connects to the sampling pipe 44 assembly 4, and the other side connects to the water pump 7.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sampling device for wastewater treatment, characterized in that, It includes a sampling tube assembly (4) installed on the side wall of the sewage treatment tank (1), a pipe (5) connected to the top of the sampling tube assembly (4), and a water pump (7) and a sampler (6) connected to the downstream of the pipe (5). The sampling tube assembly (4) includes an outer cylinder (41), an inner tube (42) disposed inside the outer cylinder (41), a bottom tube (43) connected to the bottom of the inner tube (42), a sampling tube (44) disposed between the outer cylinder (41) and the inner tube (42), a valve (45) disposed on the sampling tube (44), and a baffle (46) connected to the top of the outer cylinder (41). The sampling tubes (44) are spaced apart in the height direction of the outer cylinder (41), and each sampling tube (44) is set at the sampling elevation of the water body (3) and is provided with a sampling through hole.

2. The sampling device for wastewater treatment as described in claim 1, characterized in that, The sewage treatment tank (1) is a long concrete tank, and a foundation (2) is set on the top of the sewage treatment tank (1); the foundation (2) is a solid soil or concrete foundation (2).

3. The sampling device for wastewater treatment as described in claim 1, characterized in that, The bottom pipe (43) is detachably connected to the bottom of the inner pipe (42), and the length of the bottom pipe (43) is adapted to the sampling elevation of the bottom treated water body (3); the bottom pipe (43) is also equipped with a valve (45).

4. A sampling device for wastewater treatment as described in claim 3, characterized in that, The sampling tube (44) is equipped with an anti-corrosion layer inside, and the valves (45) on the sampling tube (44) and the bottom tube (43) are wireless automatic valves (45).

5. A sampling device for wastewater treatment as described in claim 1, characterized in that, The positioning component (9) includes a positioning plate (91) and positioning holes (92) provided on the positioning plate (91). The positioning plate (91) is pre-connected to the inner wall of the sewage treatment tank (1) and is spaced apart in the height direction. The positioning holes (92) are provided corresponding to the diameter of the outer cylinder (41).

6. The sampling device for wastewater treatment as described in claim 5, characterized in that, The baffle (46) is a rectangular plate, and the length of the baffle (46) is greater than the diameter of the positioning hole (92).

7. A sampling device for wastewater treatment as described in claim 1, characterized in that, The fixed joint assembly (8) includes a docking sleeve (81), a docking riser (82) vertically connected to the bottom of the docking sleeve (81), a fixed base plate (83) connected to the bottom of the docking riser (82), and fixed bolts (84) connected to the four corners of the fixed base plate (83). The fixed base plate (83) is connected to the foundation (2) by the fixed bolts (84).

8. A sampling device for wastewater treatment as described in claim 7, characterized in that, The connecting sleeve (81) is a horizontal pipe with an inner diameter adapted to the pipes (5) on both sides. One side of the pipe (5) is connected to the sampling pipe assembly (4), and the other side of the pipe (5) is connected to the water pump (7).