COD monitoring mechanism based on water environment monitoring

By designing a COD monitoring mechanism with tiered filtration and stirring blades, the problem of pretreatment and synchronous monitoring difficulties required by existing equipment was solved, achieving high-precision COD detection in water bodies.

CN223841884UActive Publication Date: 2026-01-27常州市生态环境监控中心(常州市生态环境宣教中心)
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Patent Information

Application Number
CN202423205695.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2026-01-27
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing COD monitoring equipment requires water pretreatment to remove large particulate impurities and is not convenient for simultaneous monitoring of the same water sample, resulting in large errors and low accuracy in the test results.

Method used

A COD monitoring mechanism based on water environment monitoring was designed, which includes a multi-stage filtration component and a stirring blade. The water is filtered in stages through a multi-stage filtration cylinder, and the stirring blade stirs the water and the reagent in the detection cylinder to ensure uniform mixing.

Benefits of technology

It improves the accuracy of COD detection in water bodies, reduces detection errors, and enables simultaneous monitoring and accurate results for samples from the same water body.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a COD (Chemical Oxygen Demand) monitoring mechanism based on water environment monitoring, which comprises a base, the top of the base is fixedly provided with a filter cartridge bracket, the filter cartridge bracket is internally provided with a plurality of filter cartridge clamping positions, the inner walls of the filter cartridge clamping positions are matched and inserted with filter assemblies, the filter assemblies comprise filter cartridges, and the filter cartridges are arranged in the filter cartridge bracket. A plurality of filter cartridges are arranged, filter elements are mounted on the inner walls of the filter cartridges, the output end of the filter cartridge at the tail end is connected with a detection assembly through a second guide pipe, the detection assembly comprises a detection cartridge, stirring blades are mounted in the detection cartridge, and a filling cartridge is mounted at the top of the detection cartridge. The water body is subjected to graded filtration by arranging the filter assembly, and the filtered water body is guided into the multiple different detection cylinders as required for independent detection, so that the precision of a result of monitoring the COD of the water body is conveniently improved, and the detection error is reduced.
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Description

Technical Field

[0001] This utility model relates to the technical field of COD monitoring agencies, specifically a COD monitoring agency based on water environment monitoring. Background Technology

[0002] As people pay increasing attention to environmental protection, water environment monitoring has become a crucial link. Chemical oxygen demand (COD) is one of the key indicators for measuring the degree of water pollution. Accurate and efficient monitoring of COD is of great significance for timely understanding of water quality and formulating reasonable pollution control measures. However, when existing COD monitoring equipment detects water samples from the water environment, it usually requires pretreatment of the water by other equipment to remove other large particulate impurities in the water, thereby reducing the error of the detection results. At the same time, it is inconvenient to set up a control group to conduct simultaneous monitoring of the same water sample, which is not conducive to improving the accuracy of monitoring results. Utility Model Content

[0003] The purpose of this invention is to provide a COD monitoring agency based on water environment monitoring to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A COD monitoring device based on water environment monitoring includes a base, a filter cartridge support fixedly mounted on the top of the base, a plurality of filter cartridge slots in the filter cartridge support, filter components being inserted and installed into the inner walls of the filter cartridge slots, the filter components including filter cartridges, a plurality of filter cartridges, filter elements installed on the inner walls of the filter cartridges, and a detection component connected to the output end of the end filter cartridge via a second conduit, the detection component including a detection cartridge, a stirring blade installed inside the detection cartridge, and a filling cylinder installed on the top of the detection cartridge.

[0006] In a preferred embodiment of this utility model, the top of the filter cylinder at the starting end is fixedly connected to the funnel via a water inlet pipe, and a first valve is fixedly installed on the outer wall of the water inlet pipe.

[0007] In a preferred embodiment of this utility model, the filter element pore size in the multiple filter cartridges is distributed in a sequentially decreasing manner, and the top of the filter cartridge is sealed with a top cover.

[0008] In a preferred embodiment of this utility model, the bottom of the filter cylinder is threadedly sealed to the bottom cover, and adjacent bottom covers and top covers are connected by a first conduit.

[0009] In a preferred embodiment of this utility model, a mounting bracket is fixedly installed on the outer wall of the filter cartridge, and the mounting bracket is engaged with the filter cartridge in a snap-fit ​​connection.

[0010] In a preferred embodiment of this utility model, the bottom end of the detection cylinder is fixedly connected to a second conduit, a three-way pipe is installed on the outer wall of the second conduit, and the bottom end of the three-way pipe is fixedly connected to a third conduit.

[0011] In a preferred embodiment of this utility model, a second valve is fixedly installed on the outer wall of the third conduit, a fourth conduit is threadedly sealed to the outer wall of the bottom end of the third conduit, and a detection cylinder is fixedly connected to the outer wall of the bottom end of the fourth conduit.

[0012] In a preferred embodiment of this utility model, the bottom end of the detection cylinder is fixedly connected to a base plate, the detection cylinder is made of transparent material, a servo motor is fixedly installed on the bottom outer wall of the base plate, and the bottom end of the detection cylinder is supported on the top of the base by a support leg.

[0013] In a preferred embodiment of this utility model, the servo motor output shaft is fixedly mounted with a stirring blade, the bottom outer wall of the base plate is fixedly mounted with a drain pipe, and the outer wall of the drain pipe is fixedly mounted with a second valve.

[0014] In a preferred embodiment of this utility model, a connecting end cap is inserted into the top of the filling cylinder, a handle is fixedly installed on the top of the end cap, and a clean water inlet pipe is fixedly installed on the top of the filling cylinder. The clean water inlet pipe is used to introduce cleaning fluid into the filling cylinder for cleaning.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

[0016] 1. By setting up a filtration assembly to perform staged filtration of water, the filtered water can be introduced into multiple different detection tubes for independent testing as needed, thereby improving the accuracy of COD monitoring results and reducing detection errors;

[0017] 2. By installing stirring blades on the inner wall of the detection cylinder to stir the water and reagents, the water and reagents are mixed evenly, thus improving the accuracy of the detection results. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of the main structure of a COD monitoring agency based on water environment monitoring.

[0020] Figure 2 This is a schematic diagram of the rear view structure in a COD monitoring agency based on water environment monitoring.

[0021] Figure 3 This is a schematic diagram of the filter structure in a COD monitoring agency based on water environment monitoring;

[0022] Figure 4 This is a schematic cross-sectional view of the detection chamber in a COD monitoring agency based on water environment monitoring.

[0023] In the diagram: filter cartridge 100, filter element 101, bottom cover 110, top cover 120, funnel 130, water inlet pipe 131, first valve 132, bracket 140, first guide tube 150, second guide tube 160, tee pipe 161, third guide tube 162, second valve 163, filter cartridge support 170, detection cartridge 200, fourth guide tube 210, end cover 211, filling cylinder 220, support leg 230, servo motor 240, stirring blade 241, drain pipe 250, third valve 251. Detailed Implementation

[0024] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0025] Example 1: As Figures 1-4 The system includes a base 1, a filter cartridge bracket 170 fixedly mounted on the top of the base 1, a plurality of filter cartridge slots in the filter cartridge bracket 170, filter components being installed by inserting into the inner wall of the filter cartridge slots, the filter components including filter cartridges 100, a plurality of filter cartridges 100, filter elements 101 installed on the inner wall of the filter cartridges 100, the output end of the end filter cartridges 100 being connected to a detection component through a second conduit, the detection component including a detection cartridge 200, a stirring blade 241 installed inside the detection cartridge 200, and a filling cartridge 220 installed on the top of the detection cartridge 200.

[0026] The specific application scenario of this embodiment is as follows: by setting up a filter assembly to perform graded filtration of water, the filtered water is introduced into multiple different detection cylinders 200 for independent detection as needed, thereby facilitating the improvement of the accuracy of COD monitoring results and reducing detection errors. By installing stirring blades 241 on the inner wall of the detection cylinder 200 to stir the water and the reagent, the water and the reagent are uniformly mixed, thereby improving the accuracy of the detection results.

[0027] Example 2: As Figure 1 and Figure 2The top of the starting filter cylinder 100 is fixedly connected to the funnel 130 through the water inlet pipe 131. The outer wall of the water inlet pipe 131 is fixedly installed with the first valve 132. The filter elements 101 in the multiple filter cylinders 100 are distributed with decreasing pore sizes. The top of the filter cylinder 100 is sealed and connected to the top cover 120. The bottom of the filter cylinder 100 is threaded and sealed and connected to the bottom cover 110. The adjacent bottom cover 110 and top cover 120 are connected through the first conduit 150. The outer wall of the filter cylinder 100 is fixedly installed with the retainer 140, and the retainer 140 is engaged and connected with the filter cylinder.

[0028] The specific application scenario of this embodiment is as follows: by setting a detachable filter cartridge 100, it is convenient to replace the filter element inside the filter cartridge 100. By setting filter elements 101 with different pore sizes, it can perform graded filtration of impurities in the water.

[0029] Example 3: As Figure 3 and Figure 4 The bottom end of the end detection cylinder 200 is fixedly connected to the second conduit 160. A tee pipe 161 is installed on the outer wall of the second conduit 160. The bottom end of the tee pipe 161 is fixedly connected to the third conduit 162. A second valve 163 is fixedly installed on the outer wall of the third conduit 162. A fourth conduit 210 is threadedly sealed to the outer wall of the bottom end of the third conduit 162. The bottom end of the fourth conduit 210 is fixedly connected to the detection cylinder 200. The bottom end of the detection cylinder 200 is fixedly connected to the base plate. The detection cylinder 200 is made of transparent material. A servo motor 240 is fixedly installed on the bottom outer wall of the base plate. The bottom end of the detection cylinder 200 is supported on the top of the base 1 by a support leg 230. A stirring blade 241 is fixedly installed on the output shaft of the servo motor 240. A drain pipe 250 is fixedly installed on the bottom outer wall of the base plate. A third valve 251 is fixedly installed on the outer wall of the drain pipe 250.

[0030] The specific application scenario of this embodiment is as follows: by setting a three-way pipe 161 to introduce the water in the second conduit 160 into multiple detection cylinders 200 respectively, it is convenient for the same sample of water to react with different reagents, thereby reducing the error of water monitoring, facilitating the separate monitoring of different pollutants in the water, and improving the accuracy of monitoring results. A stirring blade 241 is set to stir the water and reagents.

[0031] The working principle of this utility model is as follows: In use, water collected from the aquatic environment is introduced into the filter cylinder 100 at the starting end through the funnel 130. The filter elements 101 in multiple filter cylinders 100 sequentially filter the impurities in the collected water, thereby removing impurities and reducing the error of the COD detection result. Then, by opening the second valve 163, the filtered water is introduced into the detection cylinder 200. By opening the end cap 211, the reagent used to react with the water to check COD is introduced into the detection cylinder 200. By turning on the servo motor 240 to drive the stirring blade 241 to stir the water and reagent evenly, the range of COD can be obtained by observing the reaction between the water and the reagent, thereby judging the degree of water pollution.

[0032] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A COD monitoring mechanism based on water environment monitoring, comprising a base (1), wherein a filter cartridge bracket (170) is fixedly mounted on the top of the base (1), and the filter cartridge bracket (170) is provided with a plurality of filter cartridge slots, characterized in that, The filter cartridge is fitted with the inner wall of the filter assembly and the filter assembly includes a filter cartridge (100). There are several filter cartridges (100). The inner wall of the filter cartridge (100) is fitted with a filter element (101). The output end of the end filter cartridge (100) is connected to the detection assembly through a second conduit. The detection assembly includes a detection cartridge (200). The inside of the detection cartridge (200) is fitted with a stirring blade (241). The top of the detection cartridge (200) is fitted with a filling cartridge (220).

2. The COD monitoring agency based on water environment monitoring according to claim 1, characterized in that, The top of the starting end filter cylinder (100) is fixedly connected to the funnel (130) through the water inlet pipe (131), and the first valve (132) is fixedly installed on the outer wall of the water inlet pipe (131).

3. A COD monitoring agency based on water environment monitoring according to claim 2, characterized in that, The filter elements (101) in the multiple filter cartridges (100) have pore sizes that decrease sequentially, and the top of the filter cartridges (100) is sealed with a top cover (120).

4. A COD monitoring agency based on water environment monitoring according to claim 3, characterized in that, The bottom of the filter cartridge (100) is threadedly sealed to the bottom cover (110), and the adjacent bottom cover (110) and top cover (120) are connected by a first conduit (150).

5. A COD monitoring agency based on water environment monitoring according to claim 4, characterized in that, The outer wall of the filter cartridge (100) is fixedly mounted with a bracket (140), and the bracket (140) is engaged with the filter cartridge for a snap-fit ​​connection.

6. A COD monitoring agency based on water environment monitoring according to claim 1, characterized in that, The bottom end of the detection tube (200) is fixedly connected to the second conduit (160), and a three-way pipe (161) is installed on the outer wall of the second conduit (160). The bottom end of the three-way pipe (161) is fixedly connected to the third conduit (162).

7. A COD monitoring agency based on water environment monitoring according to claim 6, characterized in that, The second valve (163) is fixedly installed on the outer wall of the third conduit (162), and the fourth conduit (210) is threadedly sealed to the outer wall of the bottom end of the third conduit (162). The detection cylinder (200) is fixedly connected to the outer wall of the bottom end of the fourth conduit (210).

8. A COD monitoring agency based on water environment monitoring according to claim 7, characterized in that, The bottom end of the detection cylinder (200) is fixedly connected to the base plate. The detection cylinder (200) is made of transparent material. A servo motor (240) is fixedly installed on the bottom outer wall of the base plate. The bottom end of the detection cylinder (200) is supported on the top of the base (1) by a support leg (230).

9. A COD monitoring agency based on water environment monitoring according to claim 8, characterized in that, The output shaft of the servo motor (240) is fixedly mounted with a stirring blade (241), the bottom outer wall of the base plate is fixedly mounted with a drain pipe (250), and the outer wall of the drain pipe (250) is fixedly mounted with a third valve (251).

10. A COD monitoring agency based on water environment monitoring according to claim 1, characterized in that, The top of the filling cylinder (220) is connected to the end cap (212), the top of the end cap (212) is fixedly installed with a handle, and the top of the filling cylinder (220) is fixedly installed with a clean water inlet pipe. The clean water inlet pipe is used to introduce cleaning fluid into the filling cylinder (220) for cleaning.