Sewage discharge COD (Chemical Oxygen Demand) real-time detection and compensation device

Abstract

The utility model discloses a sewage discharge COD real-time detection and compensation device in the technical field of COD detection, which comprises a detection cabinet, the side surface of the detection cabinet is fixedly connected with a sample through pipe, the sample through pipe is communicated with a to-be-detected tank, one side of the lower end of the to-be-detected tank is fixedly connected with a discharge pipe, the discharge pipe is communicated with a collection tank, and the collection tank is communicated with a sewage discharge pipe. The lower end of the to-be-detected tank is sleeved with a precipitation base plate in a threaded manner, and a tooth groove is formed in the outer surface of the precipitation base plate. According to the device, a crystal standing precipitation method is adopted, sediments are removed and cleaned regularly, blockage of a discharge valve is avoided, and a good cleaning effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of COD detection, and in particular relates to a real-time detection and compensation device for COD discharged from sewage. Background Art

[0002] COD testing is a common method of wastewater testing. It determines the amount of oxidants consumed by oxidized substances in the water to determine the content of pollutants in the water. Detection reagents with different oxidant contents reflect different colors. The depth of color is analyzed by instruments to determine the pollution status of the water.

[0003] Existing COD detectors have certain limitations when testing some coastal cities, where the water is rich in various impurities, which are prone to produce precipitation inside the test bottle and block the sample discharge valve, resulting in the inability to discharge the sample, affecting subsequent test results. Utility Model Content

[0004] The purpose of the utility model is to provide a real-time detection and compensation device for COD discharged from sewage, so as to solve the problem proposed in the above background technology that the existing COD detector has certain limitations when detecting some coastal cities where the water is rich in various impurities, which is easy to produce precipitation inside the detection bottle and easily block the discharge valve of the sample, thereby causing the sample to be unable to be discharged, affecting the subsequent detection results.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a real-time detection and compensation device for COD discharged from sewage, comprising a detection cabinet, a side of the detection cabinet is fixedly connected with a sample through pipe, the sample through pipe is connected to a tank to be detected, a lower end side of the tank to be detected is fixedly connected with a discharge pipe, the discharge pipe is connected to a collection tank, the lower end of the tank to be detected is threadedly sleeved with a sedimentation bottom plate, and the outer surface of the sedimentation bottom plate is provided with teeth and grooves.

[0006] Preferably, a through hole is fixedly opened on one side of the tank to be inspected, a plugging cover is sleeved on the inner thread of the through hole, and a filter screen is fixedly connected to one end of the plugging cover.

[0007] Preferably, the four corners of the lower end of the detection cabinet are fixedly connected with support columns, the lower end of the detection cabinet is provided with an I-shaped support plate, and the four corners of the I-shaped support plate are fixedly connected with universal wheels.

[0008] Preferably, both ends of the I-beam support plate are fixedly connected with limit sliding columns, the limit sliding columns are slidably sleeved on the bottom of the detection cabinet, the center of the I-beam support plate is rotatably connected with a threaded sleeve, the lower end of the threaded sleeve is fixedly connected with a rotating disk, the lower end of the detection cabinet is fixedly connected with a threaded column, and the threaded sleeve is threadedly sleeved on the outer surface of the threaded column.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The utility model adopts the crystal static sedimentation method to remove and clean the sediment regularly, thus avoiding the blockage of the discharge valve and achieving a good cleaning effect.

[0011] 2. The utility model is provided with a liftable universal wheel, which can be lifted up when moving and folded up when fixed, and fixedly supported by a support column, which is beneficial to protecting the universal wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the detection cabinet of the utility model;

[0014] Figure 3 This is a schematic diagram of the side structure of the detection cabinet of the utility model;

[0015] Figure 4 It is a structural schematic diagram of the I-shaped support plate of the utility model.

[0016] In the figure: 1. testing cabinet; 2. sample pipe; 3. tank to be tested; 4. discharge pipe; 5. collection tank; 6. sedimentation bottom plate; 7. tooth groove; 8. through hole; 9. filter screen; 10. plugging cover; 11. support column; 12. I-beam support plate; 13. universal wheel; 14. limit sliding column; 15. threaded sleeve; 16. rotating disk; 17. threaded column. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4 The utility model provides a technical solution: a real-time detection and compensation device for COD discharged from sewage, including a detection cabinet 1, a sample through pipe 2 is fixedly connected to the side of the detection cabinet 1, the sample through pipe 2 is connected to a tank to be detected 3, a discharge pipe 4 is fixedly connected to one side of the lower end of the tank to be detected 3, the discharge pipe 4 is connected to a collection tank 5, a sedimentation bottom plate 6 is threadedly sleeved at the lower end of the tank to be detected 3, and a tooth groove 7 is provided on the outer surface of the sedimentation bottom plate 6.

[0019] In the present embodiment, the wastewater sample is circulated to the interior of the tank to be tested 3 for testing through the sample through the set sample through the discharge pipe 4 to the interior of the collection tank 5 for collection. During the testing process, the chloride ion impurities generated in the water precipitate into crystals and settle inside the sedimentation bottom plate 6, which can be unscrewed by threads for regular cleaning. This design adopts the crystal static sedimentation method to regularly remove and clean the sediment, thereby avoiding clogging of the discharge valve and achieving a good cleaning effect.

[0020] Specifically, a through hole 8 is fixedly opened on one side of the tank 3 to be inspected, a plugging cover 10 is sleeved on the inner thread of the through hole 8 , and a filter screen 9 is fixedly connected to one end of the plugging cover 10 .

[0021] In this embodiment, the filter screen 9 is provided to filter floating objects in the water, and the filter screen 9 is cleaned by rotating and unscrewing the plug cover 10. This design method can filter floating objects in the water to avoid accumulation and blockage of floating objects, which may affect the detection of samples.

[0022] Specifically, the four corners of the lower end of the detection cabinet 1 are fixedly connected with support columns 11 , the lower end of the detection cabinet 1 is provided with an I-shaped support plate 12 , and the four corners of the I-shaped support plate 12 are fixedly connected with universal wheels 13 .

[0023] In this embodiment, the support column 11 is provided to facilitate supporting the whole, and the universal wheel 13 is provided to facilitate movement to avoid excessive weight in transportation.

[0024] Specifically, both ends of the I-beam support plate 12 are fixedly connected with limit sliding columns 14, and the limit sliding columns 14 are slidably sleeved on the bottom of the detection cabinet 1. The center of the I-beam support plate 12 is rotatably connected with a threaded sleeve 15, and the lower end of the threaded sleeve 15 is fixedly connected with a rotating disk 16. The lower end of the detection cabinet 1 is fixedly connected with a threaded column 17, and the threaded sleeve 15 is threadedly sleeved on the outer surface of the threaded column 17.

[0025] In this embodiment, when the rotating disk 16 is rotated and twisted, it undergoes threaded rotation with the threaded column 17, and the I-beam support plate 12 can only slide under the limitation of the limiting sliding columns 14 on both sides, so that the rotating disk 16 can only drive the I-beam support plate 12 to perform threaded lifting and lowering, thereby adjusting the height of the universal wheel 13. When moving is required, the universal wheel 13 is moved, and when fixed, the universal wheel 13 can be retracted and fixedly supported by the support column 11, avoiding the existing common fixed steering wheel, which is more harmful to the wheel when bearing weight and is easy to be damaged.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A real-time COD detection and compensation device for sewage discharge, comprising a detection cabinet (1), characterized in that: A sample through pipe (2) is fixedly connected to the side of the detection cabinet (1), the sample through pipe (2) is connected to a tank to be detected (3), a discharge pipe (4) is fixedly connected to one side of the lower end of the tank to be detected (3), the discharge pipe (4) is connected to a collection tank (5), a sedimentation bottom plate (6) is threadedly sleeved at the lower end of the tank to be detected (3), and a tooth groove (7) is provided on the outer surface of the sedimentation bottom plate (6).

2. The sewage discharge COD real-time detection and compensation device according to claim 1 is characterized by: A through hole (8) is fixedly provided on one side of the tank (3) to be tested, a plugging cover (10) is threadedly sleeved inside the through hole (8), and a filter screen (9) is fixedly connected to one end of the plugging cover (10).

3. The sewage discharge COD real-time detection and compensation device according to claim 1 is characterized by: The four corners of the lower end of the detection cabinet (1) are fixedly connected to support columns (11), the lower end of the detection cabinet (1) is provided with an I-shaped support plate (12), and the four corners of the I-shaped support plate (12) are fixedly connected to universal wheels (13).

4. The sewage discharge COD real-time detection and compensation device according to claim 3 is characterized by: The two ends of the I-shaped support plate (12) are fixedly connected to limit sliding columns (14), the limit sliding columns (14) are slidably sleeved on the bottom of the detection cabinet (1), the center of the I-shaped support plate (12) is rotatably connected to a threaded sleeve (15), the lower end of the threaded sleeve (15) is fixedly connected to a rotating disk (16), the lower end of the detection cabinet (1) is fixedly connected to a threaded column (17), and the threaded sleeve (15) is threadedly sleeved on the outer surface of the threaded column (17).

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