Pretreatment device for water quality detection

Abstract

The utility model discloses a pretreatment device for water quality detection, which belongs to the technical field of water treatment.The pretreatment device for water quality detection comprises a treatment box, a treatment tank is fixedly connected in the treatment box, a water inlet pipe is fixedly connected to the top of the treatment tank, and a pretreatment mechanism is arranged at the top of the treatment tank; a filter disc is fixedly connected to the interior of the treatment tank, a sedimentation tank is installed in the treatment box, a drainage pipe is fixedly connected to the outer wall of the sedimentation tank, and a sampling assembly is arranged in the treatment box. A driving motor and a rotating shaft are used for driving a scraping strip, a cutting blade, a crushing block and a scraping plate to synchronously rotate, and the scraping strip is driven to scrape the inner wall of the treatment tank while impurities in a detected water body are crushed, so that the subsequent step of specially cleaning the inner wall is omitted, and the impurities are prevented from blocking a filter disc; the subsequent water body filtering process is influenced.

Description

Technical Field

[0001] This utility model relates to the field of water treatment technology, and in particular to a pretreatment device for water quality testing. Background Technology

[0002] Water is the source of life and is closely related to human life and production activities. With the acceleration of industrialization and urbanization, water pollution has become increasingly serious. Large amounts of industrial wastewater, domestic sewage, and agricultural non-point source pollution are discharged, resulting in a continuous increase in the types and contents of pollutants in natural water bodies. Water quality testing, as an important means of assessing water quality and monitoring the water environment, is of vital importance for protecting human health, maintaining ecological balance, and promoting industrial development.

[0003] If water samples are tested directly without pretreatment, impurities and interfering substances in the water will seriously affect the test results, leading to inaccurate results. Traditional pretreatment devices, due to their simple structure, can only perform basic filtration of the water. However, when there are too many impurities and large particles in the water, these impurities and particles will clog the filter components inside the pretreatment device, preventing the device from filtering the water and affecting subsequent sampling. Moreover, these devices require cleaning of the inner walls after a period of operation, which requires manual cleaning or the use of specialized tools, consuming a lot of manpower and time.

[0004] Therefore, there is an urgent need to provide pretreatment equipment for water quality testing to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a pretreatment device for water quality testing.

[0006] To solve the above-mentioned technical problems, the present invention provides a pretreatment device for water quality testing, including a treatment box, a treatment tank fixedly connected inside the treatment box, an inlet pipe fixedly connected to the top of the treatment tank, an inlet switch installed on the outer wall of the inlet pipe, a pretreatment mechanism provided on the top of the treatment tank, a filter disc fixedly connected inside the treatment tank, a slag discharge pipe fixedly connected to the bottom of the treatment tank, a waste residue box fixedly connected to the bottom of the slag discharge pipe, and a waste residue drawer slidably connected inside the waste residue box.

[0007] The processing box contains a sedimentation tank, the outer wall of which is fixedly connected to a drain pipe, and the outer wall of which is fixedly connected to a drain valve. The processing box contains a sampling assembly, and a protective plate is slidably connected to the front end of the processing box.

[0008] The present invention is further configured such that: the pretreatment mechanism includes a mounting block installed on the top of the treatment tank, a drive motor is installed inside the mounting block, a rotating shaft is fixedly connected to the output end of the drive motor, a plurality of fixing strips are fixedly connected to the outer wall of the rotating shaft, a scraper is fixedly connected between every two fixing strips, a plurality of cutting blades are fixedly connected to the outer wall of the rotating shaft, a crushing block is fixedly connected to the bottom position of the outer wall of the rotating shaft, two crushing racks are fixedly connected to the outer wall of the crushing block, and a plurality of scrapers are fixedly connected to the outer wall of the rotating shaft near the crushing block.

[0009] With the above technical solution, after the drive motor installed inside the mounting block starts, the output end of the drive motor will generate rotational power, which is transmitted to the rotating shaft, causing the rotating shaft to rotate around its own axis. When the rotating shaft rotates, it drives the fixed strips on the outer wall to rotate together, and the scraper between every two fixed strips also rotates. The scraper can scrape the inner surface of the processing tank. Multiple cutting blades fixed on the outer wall of the rotating shaft rotate with the rotating shaft. The rotating cutting blades can cut impurities that enter their cutting range, and can cut larger objects into smaller pieces or flakes. Driven by the rotating shaft, when the impurities reach the location of the crushing block and crushing rack, the crushing rack squeezes, shears and grinds the impurities, further crushing the impurities into smaller particles. Driven by the rotating shaft, the rotating scraper can discharge the cut and crushed waste from the filter disc to the inside of the slag discharge pipe.

[0010] The present invention is further configured such that the outer walls of both scrapers are attached to and slide against the inner wall of the processing tank.

[0011] The above technical solution can effectively scrape off the waste residue adhering to the inner wall of the treatment tank, avoid material residue accumulation, reduce the workload and difficulty of manually cleaning the inner wall of the treatment tank, and reduce maintenance costs and time.

[0012] The present invention is further configured such that: multiple cutting blades are mounted in a cross pattern on a rotating shaft to form a cross blade array structure around the rotating shaft.

[0013] Through the above technical solution, the cross-shaped blade layout allows the blade to cover a wider area when rotating, which can effectively increase the cutting area and make it easier for impurities to be contacted by the blade after entering the cutting area, thereby improving cutting efficiency.

[0014] The present invention is further configured such that the filter holes at the top of the filter disc have a special structure with a large center and a small periphery, and the filter holes are evenly distributed on the filter disc.

[0015] With the above technical solution, when the crushed slag falls onto the filter holes with smaller diameter, it will be intercepted by the filter holes and scraped into the large channel holes by the scraper. When it falls onto the filter holes with larger diameter, it will enter the slag discharge pipe below through the filter disc.

[0016] The present invention is further configured such that: a filter hole is provided at the top of the slag discharge pipe, and the diameter of the filter hole is smaller than the diameter of the filter hole at the top of the filter disc.

[0017] Through the above technical solution, after the waste residue is treated, some water will still enter the slag discharge pipe through the filter disc, and the water will be discharged into the sedimentation tank through the filter holes of the slag discharge pipe.

[0018] The present invention is further configured such that: the sampling assembly includes a connecting pipe installed on the outer wall of the sedimentation tank, an electronic valve is installed on the outer wall of the connecting pipe, a sampling tank is installed at the other end of the connecting pipe, a sampling pipe is fixedly connected to the outer wall of the sampling tank, and a sampling valve is installed on the outer wall of the sampling pipe.

[0019] With the above technical solution, under normal conditions, the sampling tank will be connected to the settled test water through the connecting pipe. When sampling and testing are required, the testing personnel only need to open the sampling valve and collect the required test water through the sampling pipe.

[0020] The beneficial effects of this utility model are as follows:

[0021] 1. This utility model designs a pretreatment mechanism that uses a drive motor and rotating shaft to drive the scraper, cutting blade, crushing block and scraper to rotate synchronously. While crushing the impurities inside the water body, it also drives the scraper to scrape the inner wall of the treatment tank, eliminating the need for subsequent cleaning of the inner wall and preventing impurities from clogging the filter disc and affecting the subsequent water filtration process.

[0022] 2. By designing a sampling component, this utility model allows operators to complete the sampling operation simply by controlling the valve's opening and closing, eliminating the need for complicated procedures, thus improving work efficiency and saving significant time and labor costs. Attached Figure Description

[0023] Figure 1 This is a perspective view of the present utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of the processing box of this utility model;

[0025] Figure 3 This is a schematic diagram of the processing tank structure of this utility model;

[0026] Figure 4This is a schematic diagram of the pretreatment mechanism of this utility model;

[0027] Figure 5 This is a schematic diagram of the filter disc structure of this utility model.

[0028] In the diagram: 1. Processing box; 2. Processing tank; 3. Inlet pipe; 4. Inlet switch; 5. Pretreatment mechanism; 501. Mounting block; 502. Drive motor; 503. Rotating shaft; 504. Fixing strip; 505. Scraper; 506. Cutting blade; 507. Crushing block; 508. Crushing rack; 509. Scraper; 6. Filter plate; 7. Slag discharge pipe; 8. Waste residue box; 9. Waste residue drawer; 10. Sedimentation tank; 11. Drain pipe; 12. Drain valve; 13. Connecting pipe; 14. Electronic valve; 15. Sampling tank; 16. Sampling tube; 17. Sampling valve; 18. Protective plate. Detailed Implementation

[0029] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the scope of protection of the present invention.

[0030] Please see Figure 1 - Figure 3 A water quality testing pretreatment device includes a treatment box 1, a treatment tank 2 fixedly connected inside the treatment box 1, an inlet pipe 3 fixedly connected to the top of the treatment tank 2, and an inlet switch 4 installed on the outer wall of the inlet pipe 3.

[0031] like Figure 4 and Figure 5As shown, a pretreatment mechanism 5 is provided on the top of the treatment tank 2. The pretreatment mechanism 5 includes a mounting block 501 installed on the top of the treatment tank 2. A drive motor 502 is installed inside the mounting block 501. A rotating shaft 503 is fixedly connected to the output end of the drive motor 502. Multiple fixing strips 504 are fixedly connected to the outer wall of the rotating shaft 503. A scraper 505 is fixedly connected between every two fixing strips 504. The outer walls of the two scrapers 505 slide against the inner wall of the treatment tank 2, which can effectively scrape off the waste residue attached to the inner wall of the treatment tank 2, avoid material residue accumulation, reduce the workload and difficulty of manually cleaning the inner wall of the treatment tank 2, and reduce maintenance costs and time. Multiple cutting blades 506 are fixedly connected to the outer wall of the rotating shaft 503. The multiple cutting blades 506 are installed in a cross pattern on the rotating shaft 503, forming a cross blade array structure around the rotating shaft 503. The cross blade layout allows the blades to cover a wider area when rotating, which can effectively increase the cutting area and make it easier for impurities to be contacted by the blades after entering the cutting area, thereby improving the cutting efficiency. A crushing block 507 is fixedly connected to the outer wall of the rotating shaft 503 near the bottom. Two crushing racks 508 are fixedly connected to the outer wall of the crushing block 507. Multiple scrapers 509 are fixedly connected to the outer wall of the rotating shaft 503 near the crushing block 507.

[0032] like Figure 4 and Figure 5 As shown, after the drive motor 502 installed inside the mounting block 501 is started, the output end of the drive motor 502 generates rotational power, which is transmitted to the rotating shaft 503, causing the rotating shaft 503 to rotate around its own axis. When the rotating shaft 503 rotates, it drives the fixing strips 504 on the outer wall to rotate together, and the scraper strips 505 between every two fixing strips 504 also rotate accordingly. The scraper strips 505 can scrape the inner surface of the processing tank 2. The multiple cutting blades 506 fixed on the outer wall of the rotating shaft 503 rotate with the rotating shaft 503. The rotating cutting blade 506 can cut impurities that enter its cutting range, and can cut larger objects into smaller pieces or flakes. Driven by the rotating shaft 503, it rotates. When the impurities reach the position of the crushed block 507 and the crushing rack 508, the crushing rack 508 squeezes, shears and grinds the impurities, further crushing them into smaller particles. Driven by the rotating shaft 503, the rotating scraper 509 can discharge the cut and crushed waste from the filter plate 6 into the slag discharge pipe 7.

[0033] like Figure 1 - Figure 3As shown, a filter disc 6 is fixedly connected inside the processing tank 2. The filter holes on the top of the filter disc 6 have a special structure with a large center and a small periphery, and the filter holes are evenly distributed on the filter disc 6. When the crushed residue falls onto the smaller diameter filter holes, it will be intercepted by the filter holes and scraped into the larger holes by the scraper 509. When it falls onto the larger diameter filter holes, it will pass through the filter disc 6 and enter the slag discharge pipe 7 below. The bottom of the processing tank 2 is fixedly connected to the slag discharge pipe 7, and the top of the slag discharge pipe 7 has filter holes, and the filter holes are straight. The diameter is smaller than the diameter of the filter holes at the top of the filter plate 6. After the waste residue treatment is completed, some water will still enter the slag discharge pipe 7 through the filter plate 6. The water will be discharged into the sedimentation tank 10 through the filter holes of the slag discharge pipe 7. The bottom of the slag discharge pipe 7 is fixedly connected to the waste residue box 8. The waste residue drawer 9 is slidably connected inside the waste residue box 8. The sedimentation tank 10 is installed inside the treatment box 1. The outer wall of the sedimentation tank 10 is fixedly connected to the drain pipe 11. The outer wall of the drain pipe 11 is fixedly connected to the drain valve 12.

[0034] like Figure 1 and 2 As shown, the processing tank 1 is equipped with a sampling assembly, which includes a connecting pipe 13 installed on the outer wall of the sedimentation tank 10. An electronic valve 14 is installed on the outer wall of the connecting pipe 13. A sampling tank 15 is installed at the other end of the connecting pipe 13. A sampling pipe 16 is fixedly connected to the outer wall of the sampling tank 15. A sampling valve 17 is installed on the outer wall of the sampling pipe 16. A protective plate 18 is slidably connected to the front end of the processing tank 1. Under normal conditions, the sampling tank 15 will be connected to the test water that has completed sedimentation through the connecting pipe 13. When sampling and testing are required, the testing personnel only need to open the sampling valve 17 and collect the required test water through the sampling pipe 16.

[0035] In use, the operator opens the water inlet switch 4 to discharge the water to be tested into the treatment tank 2. At this time, the pretreatment mechanism 5 will also start operating. As the water passes through the treatment tank 2, the drive motor 502 will start operating, driving the rotating shaft 503 to rotate. The rotating shaft 503 will simultaneously drive the scraper 505, the cutting blade 506, the crushing block 507, and the scraper plate 509 to rotate synchronously. The scraper 505 will continuously scrape away impurities from the inner wall of the treatment tank 2. The cutting blade 506 and the crushing block 507 work together to continuously switch and crush the impurities in the water. The crushed waste residue is carried away by the water flow. The waste water that falls onto the filter plate 6 is intercepted by the filter plate 6. Smaller waste residues will fall directly into the slag discharge pipe 7 and be transported into the waste slag drawer 9 for collection. Larger waste residues will fall into the slag discharge pipe 7 through the filter holes in the center of the filter plate 6 under the action of the scraper 509, and will also be collected by the waste slag drawer 9. The water that has completed the waste residue treatment will enter the sedimentation tank 10 for sedimentation treatment. The connecting pipe 13 will discharge the test water that has completed the sedimentation treatment into the sampling tank 15, where it will be stored and await sampling by the staff through the sampling pipe 16. The remaining test water in the sedimentation tank 10 will be discharged through the drain pipe 11.

[0036] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A pretreatment device for water quality testing, comprising a treatment tank (1), characterized in that: The processing tank (1) is fixedly connected to the processing tank (2). The top of the processing tank (2) is fixedly connected to the water inlet pipe (3). The outer wall of the water inlet pipe (3) is equipped with a water inlet switch (4). The top of the processing tank (2) is provided with a pretreatment mechanism (5). The processing tank (2) is fixedly connected to the filter plate (6). The bottom of the processing tank (2) is fixedly connected to the slag discharge pipe (7). The bottom of the slag discharge pipe (7) is fixedly connected to the waste slag box (8). The waste slag box (8) is slidably connected to the inside of the waste slag drawer (9). The processing box (1) is equipped with a sedimentation tank (10) inside. A drain pipe (11) is fixedly connected to the outer wall of the sedimentation tank (10). A drain valve (12) is fixedly connected to the outer wall of the drain pipe (11). A sampling component is provided inside the processing box (1). A protective plate (18) is slidably connected to the front end of the processing box (1).

2. The pretreatment device for water quality testing according to claim 1, characterized in that: The pretreatment mechanism (5) includes a mounting block (501) installed on the top of the treatment tank (2). A drive motor (502) is installed inside the mounting block (501). A rotating shaft (503) is fixedly connected to the output end of the drive motor (502). Multiple fixing strips (504) are fixedly connected to the outer wall of the rotating shaft (503). A scraper (505) is fixedly connected between every two fixing strips (504). Multiple cutting blades (506) are fixedly connected to the outer wall of the rotating shaft (503). A crushing block (507) is fixedly connected to the bottom of the outer wall of the rotating shaft (503). Two crushing racks (508) are fixedly connected to the outer wall of the crushing block (507). Multiple scrapers (509) are fixedly connected to the outer wall of the rotating shaft (503) near the crushing block (507).

3. The pretreatment device for water quality testing according to claim 2, characterized in that: The outer walls of both scrapers (505) are attached to and slide against the inner wall of the treatment tank (2).

4. The pretreatment device for water quality testing according to claim 2, characterized in that: Multiple cutting blades (506) are mounted in a cross pattern on the rotating shaft (503) to form a cross blade array structure around the rotating shaft (503).

5. The pretreatment device for water quality testing according to claim 1, characterized in that: The filter holes at the top of the filter disc (6) have a special structure with a large center and a small periphery, and the filter holes are evenly distributed on the filter disc (6).

6. The pretreatment device for water quality testing according to claim 5, characterized in that: The top of the slag discharge pipe (7) is provided with filter holes, and the diameter of the filter holes is smaller than the diameter of the filter holes at the top of the filter disc (6).

7. The pretreatment device for water quality testing according to claim 1, characterized in that: The sampling assembly includes a connecting pipe (13) installed on the outer wall of the sedimentation tank (10), an electronic valve (14) installed on the outer wall of the connecting pipe (13), a sampling tank (15) installed at the other end of the connecting pipe (13), a sampling pipe (16) fixedly connected to the outer wall of the sampling tank (15), and a sampling valve (17) installed on the outer wall of the sampling pipe (16).

Images