Sludge concentration meter pretreatment device

By setting up a stirring device and lifting system near the sludge concentration meter detection head, the problem of flocculant interference during the sludge concentration meter detection process is solved, the detection accuracy and adaptability are improved, and the sewage treatment is smooth.

CN222324333UInactive Publication Date: 2025-01-10CHONGQING THREE GORGES WATER CO LTD
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Patent Information

Application Number
CN202421120205.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-01-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

During the detection process, the sludge concentration meter is easily affected by the flocculant added to the efficient precipitation tank, resulting in inaccurate detection results.

Method used

A pretreatment device for sludge concentration meter is designed, including a stirring tray and a flexible brush head outside the connecting rod connected to the detection head. The stirring tray and the stirring tray are driven by a motor to fully stir the sludge around the detection head, and combine it with lifting and lowering. The design of the rod and threaded cylinder realizes the lifting and lowering adjustment of the detection head to ensure uniform mixing of sludge and water.

Benefits of technology

Effectively eliminate the interference of sludge deposition on the detection results, improve the accuracy of the sludge concentration meter, ensure the smooth progress of the sewage treatment process, and adapt to the detection needs of different sedimentation tank depths.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sludge detection, and provides a sludge concentration meter pretreatment device which comprises a sedimentation tank, a fixing plate is fixedly arranged on the edge of the outer wall of one side of the sedimentation tank, an L-shaped plate is arranged on one side wall of the fixing plate, a concentration meter is fixedly arranged on the top face of the L-shaped plate, and a wire is fixedly arranged in the middle of one side wall of the concentration meter. A lifting rod is fixedly arranged at one end of the wire and movably inserted into the edge of the top face of the L-shaped plate, a connecting rod is fixedly arranged at the lower end of the lifting rod, a detection head is fixedly arranged at the lower end of the connecting rod, a stirring disc movably sleeves the outer side of the connecting rod, and a stirring rod is fixedly arranged on the edge of the bottom face of the stirring disc. According to the sludge concentration meter, after a flocculating agent is added into the efficient sedimentation tank to cause sludge deposition, the sludge around the detection head can be fully stirred by utilizing the stirring disc and the stirring rod, so that the interference of sludge deposition is eliminated, the accuracy of a detection result of the sludge concentration meter is improved, and smooth sewage treatment work is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of sludge detection technology, specifically a sludge concentration meter pretreatment device. Background Technology

[0002] Sludge concentration meters are online analytical instruments designed to measure the concentration of suspended solids during the treatment of municipal sewage or industrial wastewater. Whether it is assessing activated sludge and the entire biological treatment process, analyzing the wastewater discharged after purification treatment, or detecting the sludge concentration at different stages, sludge concentration meters can provide continuous and accurate measurement results.

[0003] Currently, sludge testing involves placing the testing head into a high-efficiency sedimentation tank. However, the sedimentation tank requires the addition of flocculants, which causes sludge to settle. After the sludge settles, the concentration meter readings are interfered with, affecting the accuracy of the sludge concentration meter.

[0004] Therefore, a sludge concentration meter pretreatment device is needed that is unaffected by sludge deposition and ensures the accuracy of the test results. Utility Model Content

[0005] To address the aforementioned issues, this invention proposes a sludge concentration meter pretreatment device that can fully agitate activated sludge, eliminate interference from flocculants added in high-efficiency sedimentation tanks on the sludge concentration meter, and improve the accuracy of the sludge concentration meter.

[0006] To achieve the above objectives, the present invention proposes the following specific solutions:

[0007] A sludge concentration meter pretreatment device includes a sedimentation tank. A fixing plate is fixedly mounted on the outer edge of one side of the sedimentation tank. A threaded groove is provided in the middle of the middle of the middle of the middle of the middle of the middle of the threaded groove. A fixing screw is threadedly connected to the inner side of the threaded groove. An L-shaped plate is movably sleeved on the outer side of one end of the fixing screw. A concentration meter is fixedly mounted on the top surface of the L-shaped plate. A wire is fixedly mounted on the middle of the middle of the middle of the middle of the middle of the middle of the wire. A lifting rod is fixedly mounted on one end of the wire. The lifting rod is movably inserted into the top edge of the L-shaped plate and passes through the L-shaped plate. A connecting rod is fixedly mounted on the lower end of the lifting rod. A detection head is fixedly mounted on the lower end of the connecting rod. The detection head is located in the sedimentation tank. Inside the sedimentation tank, a stirring disc is movably sleeved on the outer side of the connecting rod. A second ring gear is fixedly mounted on the center of the top surface of the stirring disc, and the second ring gear is movably sleeved on the outer side of the connecting rod. A motor box is fixedly mounted on the lower outer wall of the lifting rod. A fourth rotating hole is provided on the bottom edge of the motor box. A motor is fixedly mounted on the top edge of the inner side of the motor box. A rotating shaft is fixedly mounted on the lower end of the motor. The rotating shaft passes through the fourth rotating hole. A second gear is fixedly mounted on the lower end of the rotating shaft. The second gear meshes with the second ring gear. A stirring rod is fixedly mounted on the bottom edge of the stirring disc. A flexible brush head is fixedly mounted on the lower end of the stirring rod.

[0008] As a preferred technical solution of the sludge concentration meter pretreatment device of this utility model, the top surface of the L-shaped plate is provided with a first rotating hole, and a threaded cylinder is movably sleeved inside the first rotating hole. The threaded cylinder is located on one side of the lifting rod. A first ring gear is fixedly sleeved on the outer wall of the top end of the threaded cylinder. The first ring gear is located above the L-shaped plate. A limiting ring is fixedly sleeved on the outer wall of the lower end of the threaded cylinder. The limiting ring is located below the L-shaped plate. A lifting screw is threadedly connected inside the threaded cylinder. A connecting plate is fixedly provided at the lower end of the lifting screw. One end of the connecting plate is fixedly connected to the outer wall of the lifting rod.

[0009] As a preferred technical solution of the sludge concentration meter pretreatment device of this utility model, a first support plate is fixedly provided on the top surface of the L-shaped plate. The first support plate is located on one side of the lifting screw. A second rotating hole is provided on the side wall of the first support plate. A rotating rod is movably inserted into the inner side of the second rotating hole. A first gear is fixedly provided at one end of the rotating rod. The first gear meshes with a first ring gear. A second support plate is fixedly provided on the side surface of the L-shaped plate. A third rotating hole is provided on the side wall of the second support plate. The other end of the rotating rod is movably inserted into the inner side of the third rotating hole. A turntable is fixedly provided at the other end of the rotating rod. The turntable is located on one side of the second support plate. A handle is fixedly provided on the side wall of one side of the turntable.

[0010] As a preferred technical solution of the sludge concentration meter pretreatment device of this utility model, a fifth rotating hole is provided in the middle of the top surface of the stirring plate, and the connecting rod is movably sleeved inside the fifth rotating hole.

[0011] As a preferred technical solution of the sludge concentration meter pretreatment device of this utility model, a sealing ring is fixedly provided on the bottom edge of the motor box, and the sealing ring is movably sleeved on the outside of the rotating shaft. The sealing ring is made of flexible material.

[0012] As a preferred technical solution of the sludge concentration meter pretreatment device of this utility model, a connecting hole is provided on the other side of the top surface of the L-shaped plate, and the lifting rod is movably inserted into the inner side of the connecting hole.

[0013] As a preferred technical solution of the sludge concentration meter pretreatment device of this utility model, the bottom edge of the concentration meter is fixedly provided with a support leg, and the lower end of the support leg is fixedly connected to the top surface of the L-shaped plate.

[0014] As a preferred technical solution of the sludge concentration meter pretreatment device of this utility model, the L-shaped plate has a fixing hole on one side wall, and the fixing screw is movably sleeved inside the fixing hole.

[0015] Compared with existing technologies, this utility model has the following advantages:

[0016] This invention features a stirring disc movably sleeved on the outside of the connecting rod connected to the detection head. A stirring rod is located on the bottom edge of the stirring disc, and a flexible brush head is located at the lower end of the stirring rod. By starting a motor, the second gear rotates, driving the second ring gear to rotate, which in turn drives the stirring disc to rotate. The stirring disc and stirring rod can thoroughly stir the deposited sludge around the detection head, ensuring a uniform mixture of sludge and water, thus guaranteeing the accuracy of the sludge concentration meter. The flexible brush head prevents the stirring rod from touching the bottom of the sedimentation tank and causing damage. This design improves the accuracy of the sludge concentration meter and ensures the smooth operation of wastewater treatment.

[0017] The lifting screw of this invention is connected to the lifting rod via a connecting plate. When the lifting screw rises or falls, it can drive the lifting rod to rise and fall simultaneously. By rotating the turntable, the rotating rod is driven to rotate, causing the first gear to drive the first ring gear to rotate, which in turn rotates the threaded cylinder, thereby causing the lifting screw to rise and fall. The lifting rod of this design allows the detection head to be adjusted in the sedimentation tank, making the use of the sludge concentration meter unaffected by the depth of the sedimentation tank and improving its adaptability. Attached Figure Description

[0018] To better describe the technical solution of this utility model in detail, the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 This is a three-dimensional view of the overall structure provided by this utility model;

[0020] Figure 2 This is a three-dimensional sectional view of the present invention;

[0021] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 This utility model Figure 2 Enlarged view of point B in the middle;

[0023] Figure 5 This utility model Figure 2 Enlarged diagram of point C in the middle.

[0024] In the diagram: 1. Sedimentation tank; 11. Fixing plate; 111. Threaded groove; 112. Fixing screw; 2. L-shaped plate; 21. Connecting hole; 22. First rotating hole; 23. Threaded cylinder; 231. First ring gear; 232. Limiting ring; 24. Lifting screw; 241. Connecting plate; 25. First support plate; 251. Second rotating hole; 26. Rotating rod; 261. First gear; 262. Turntable; 263. Handle; 27. Second support Support plate; 271, third rotating hole; 28, fixing hole; 3, concentration meter; 31, support leg; 32, wire; 33, lifting rod; 331, connecting rod; 34, detection head; 35, motor box; 351, fourth rotating hole; 352, sealing ring; 36, motor; 361, rotating shaft; 362, second gear; 37, stirring plate; 371, stirring rod; 372, flexible brush head; 373, fifth rotating hole; 374, second ring gear. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] Example

[0027] Please see Figure 1-5 As shown, the present invention provides the following technical solution: a sludge concentration meter pretreatment device, including a sedimentation tank 1, a fixing plate 11 fixedly provided on the outer side of one side of the sedimentation tank 1, the sedimentation tank 1 is used to store and settle sludge in sewage, and the fixing plate 11 can ensure the stability of the concentration meter 3 during installation and use, and prevent the concentration meter 3 from shaking.

[0028] Reference Figure 1 , Figure 2 and Figure 3As shown, specifically, a concentration meter 3 is fixedly installed on the top surface of the L-shaped plate 2 (the concentration meter 3 and the detection head 34 are existing technologies; their specific operation and principle can be found in existing sludge concentration detectors, which are controlled by an external power supply, so they are not described in detail here). A support leg 31 is fixedly installed on the bottom edge of the concentration meter 3 to support and fix the concentration meter 3. The lower end of the support leg 31 is fixedly connected to the top surface of the L-shaped plate 2. A wire 32 is fixedly installed in the middle of one side wall of the concentration meter 3 for transmitting detection data. A lifting rod 33 is fixedly installed at one end of the wire 32 to drive the detection head 34 to rise and fall. The lifting rod 33 is movably inserted into the edge of the top surface of the L-shaped plate 2 and passes through the L-shaped plate 2. A connection hole 2 is provided on the other side of the top surface of the L-shaped plate 2. 1. To facilitate the lifting and lowering movement of the lifting rod 33, the lifting rod 33 is movably inserted into the inner side of the connecting hole 21. A connecting rod 331 is fixedly provided at the lower end of the lifting rod 33 for connecting the detection head 34 and the stirring plate 37. The detection head 34 is fixedly provided at the lower end of the connecting rod 331 for detecting sludge concentration. The detection head 34 is located inside the sedimentation tank 1. The stirring plate 37 is movably sleeved on the outer side of the connecting rod 331 for stirring the sludge. A fifth rotating hole 373 is provided in the middle of the top surface of the stirring plate 37 to facilitate the rotation of the stirring plate 37. The connecting rod 331 is movably sleeved inside the fifth rotating hole 373. A second ring gear 374 is fixedly provided in the middle of the top surface of the stirring plate 37 for driving the stirring plate 37 to rotate. The second ring gear 374 is movably sleeved. On the outer side of the connecting rod 331, a motor box 35 is fixedly installed on the lower outer wall of the lifting rod 33 to protect the motor 36 and prevent water from entering it. A fourth rotating hole 351 is provided on the bottom edge of the motor box 35 to facilitate the rotation of the rotating shaft 361. A motor 36 is fixedly installed on the top edge of the inner side of the motor box 35 (the motor 36 is connected to an external power source via wiring and is controlled by the external power source; the wiring is not shown in the figure, and the method of connecting the motor 36 to the power source via wiring is existing technology and therefore not described in detail). A rotating shaft 361 is fixedly installed at the lower end of the motor 36 to drive the second gear 362 to rotate. The rotating shaft 361 passes through the fourth rotating hole 351. A sealing ring 352 is fixedly installed on the bottom edge of the motor box 35 to prevent water from entering. Wastewater enters the motor box 35 through the fourth rotating hole 351. The sealing ring 352 is movably sleeved on the outside of the rotating shaft 361. The sealing ring 352 is made of flexible material. A second gear 362 is fixedly installed at the lower end of the rotating shaft 361 to drive the second ring gear 374 to rotate. The second gear 362 meshes with the second ring gear 374. A stirring rod 371 is fixedly installed on the bottom edge of the stirring plate 37 to more fully stir the deposited sludge. A flexible brush head 372 is fixedly installed at the lower end of the stirring rod 371 to prevent the stirring rod 371 from touching the bottom of the sedimentation tank 1 and causing damage. This solution can fully stir the sludge around the detection head 34, effectively eliminate the influence of sludge deposition on the detection results, and improve the accuracy of sludge concentration detection.

[0029] Reference Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, specifically, the top surface of the L-shaped plate 2 is provided with a first rotating hole 22 for the rotation of the threaded cylinder 23. The threaded cylinder 23 is movably sleeved inside the first rotating hole 22, and is used to drive the lifting screw 24 to adjust its height by rotation. The threaded cylinder 23 is located on one side of the lifting rod 33. A first ring gear 231 is fixedly sleeved on the outer wall of the top end of the threaded cylinder 23 for driving the threaded cylinder 23 to rotate. The first ring gear 231 is located above the L-shaped plate 2. A limiting ring 23 is fixedly sleeved on the outer wall of the lower end of the threaded cylinder 23. 2. To prevent the threaded cylinder 23 from disengaging from the first rotating hole 22, the limiting ring 232 is located below the L-shaped plate 2. A lifting screw 24 is threadedly connected to the inner side of the threaded cylinder 23 to drive the lifting rod 33 to move up and down. A connecting plate 241 is fixedly provided at the lower end of the lifting screw 24 to connect the lifting screw 24 and the lifting rod 33. One end of the connecting plate 241 is fixedly connected to the outer wall of the lifting rod 33. A first support plate 25 is fixedly provided on the top surface of the L-shaped plate 2 to support the rotating rod 26. The first support plate 25 is located below the lifting screw. On one side of the first support plate 25, a second rotating hole 251 is provided on the side wall to facilitate the rotation of the rotating rod 26. The rotating rod 26 is movably inserted into the inner side of the second rotating hole 251 to drive the first gear 261 to rotate. The first gear 261 is fixedly mounted on one end of the rotating rod 26 to drive the first ring gear 231 to rotate. The first gear 261 meshes with the first ring gear 231. A second support plate 27 is fixedly mounted on the top edge of the L-shaped plate 2 to support the rotating rod 26. A third rotating hole 271 is provided on the side wall for rotating the rotating rod 26. The other end of the rotating rod 26 is movably inserted into the inner side of the third rotating hole 271. A turntable 262 is fixedly provided on the other end of the rotating rod 26 to drive the rotating rod 26 to rotate. The turntable 262 is located on one side of the second support plate 27. A handle 263 is fixedly provided on one side wall of the turntable 262 to facilitate rotating the turntable 262. This solution can adapt to different sedimentation tank depths 1, ensuring the smooth detection of sludge concentration and has good adaptability.

[0030] Reference Figure 1 , Figure 2 and Figure 5 As shown, specifically, a threaded groove 111 is provided in the middle of one side wall of the fixing plate 11. A fixing screw 112 is threadedly connected to the inner side of the threaded groove 111. The fixing screw 112 is screwed into the inner side of the threaded groove 111 to fix the L-shaped plate 2. The L-shaped plate 2 is movably sleeved on the outer side of one end of the fixing screw 112 to support the concentration meter 3 and other structures, ensuring the stability of the detection process. A fixing hole 28 is provided on one side wall of the L-shaped plate 2 for connecting the fixing screw 112. The fixing screw 112 is movably sleeved on the inner side of the fixing hole 28. In this solution, the L-shaped plate 2 and the fixing plate 11 are fixedly connected by the fixing screw 112, which has the feature of easy disassembly.

[0031] The working principle and usage process of this utility model:

[0032] In use, by holding the handle 263, rotating the turntable 262, the rotating rod 26 is rotated, which in turn drives the first gear 261 to rotate, and then the first ring gear 231 to rotate, thereby causing the threaded cylinder 23 to rotate. The lifting screw 24 moves up and down, driving the lifting rod 33 to move up and down. The lifting rod 33 moves the detection head 34 to the depth to be detected in the sedimentation tank 1. Then, the motor 36 is started, and the rotating shaft 361 drives the second gear 362 to rotate, which in turn drives the second ring gear 374 to rotate, thereby causing the stirring plate 37 to drive the stirring rod 371 to rotate, fully stirring the sedimented sludge around the detection head 34. Then, the detection head 34 detects the sludge concentration, and the detection result is displayed through the concentration meter 3.

[0033] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A sludge concentration meter pretreatment device, comprising a sedimentation tank (1), characterized in that: A fixing plate (11) is fixedly provided at the edge of the outer wall of one side of the sedimentation tank (1), a thread groove (111) is provided in the middle of one side wall of the fixing plate (11), a fixing screw (112) is threadedly connected to the inner side of the thread groove (111), an L-shaped plate (2) is movably sleeved on the outer side of one end of the fixing screw (112), a concentration meter (3) is fixedly provided on the top surface of the L-shaped plate (2), a wire (32) is fixedly provided at the middle of one side wall of the concentration meter (3), a lifting rod (33) is fixedly provided at one end of the wire (32), the lifting rod (33) is movably plugged into the edge of the top surface of the L-shaped plate (2), the lifting rod (33) passes through the L-shaped plate (2), a connecting rod (331) is fixedly provided at the lower end of the lifting rod (33), a detection head (34) is fixedly provided at the lower end of the connecting rod (331), the detection head (34) is located on the inner side of the sedimentation tank (1), and the outer side of the connecting rod (331) is movably sleeved on the outer side of the fixing screw (112). A stirring disc (37) is movably sleeved, a second ring gear (374) is fixedly provided in the middle of the top surface of the stirring disc (37), and the second ring gear (374) is movably sleeved on the outside of the connecting rod (331); a motor box (35) is fixedly provided on the outer wall of the lower end of the lifting rod (33), a fourth rotating hole (351) is provided on the bottom edge of the motor box (35), a motor (36) is fixedly provided on the inner top edge of the motor box (35), a rotating shaft (361) is fixedly provided at the lower end of the motor (36), the rotating shaft (361) passes through the fourth rotating hole (351), a second gear (362) is fixedly provided at the lower end of the rotating shaft (361), and the second gear (362) is meshed with the second ring gear (374); a stirring rod (371) is fixedly provided on the bottom edge of the stirring disc (37), and a flexible brush head (372) is fixedly provided at the lower end of the stirring rod (371).

2. A sludge concentration meter pretreatment device according to claim 1, characterized in that: The top surface of the L-shaped plate (2) is provided with a first rotating hole (22), the inner side of the first rotating hole (22) is movably sleeved with a threaded barrel (23), the threaded barrel (23) is located on one side of the lifting rod (33), the top outer wall of the threaded barrel (23) is fixedly sleeved with a first ring gear (231), the first ring gear (231) is located above the L-shaped plate (2), the lower outer wall of the threaded barrel (23) is fixedly sleeved with a limiting ring (232), the limiting ring (232) is located below the L-shaped plate (2), the inner side of the threaded barrel (23) is threadedly connected with a lifting screw rod (24), the lower end of the lifting screw rod (24) is fixedly provided with a connecting plate (241), one end of the connecting plate (241) is fixedly connected to the outer wall of the lifting rod (33).

3. A sludge concentration meter pretreatment device according to claim 2, characterized in that: A first support plate (25) is fixedly provided on the top surface of the L-shaped plate (2), the first support plate (25) is located on one side of the lifting screw rod (24), a second rotating hole (251) is provided on the side wall edge of the first support plate (25), a rotating rod (26) is movably inserted in the inner side of the second rotating hole (251), a first gear (261) is fixedly provided on one end of the rotating rod (26), the first gear (261) is meshed with the first ring gear (231), a second support plate (27) is fixedly provided on the top surface edge of the L-shaped plate (2), a third rotating hole (271) is provided on the side wall edge of the second support plate (27), the other end of the rotating rod (26) is movably inserted in the inner side of the third rotating hole (271), a rotating disk (262) is fixedly provided on the other end of the rotating rod (26), the rotating disk (262) is located on one side of the second support plate (27), and a handle (263) is fixedly provided on the side wall edge of the rotating disk (262).

4. A sludge concentration meter pretreatment device according to claim 3, characterized in that: A fifth rotating hole (373) is provided in the middle of the top surface of the stirring plate (37), and the connecting rod (331) is movably sleeved inside the fifth rotating hole (373).

5. A sludge concentration meter pretreatment device according to claim 4, characterized in that: A sealing ring (352) is fixedly provided on the bottom edge of the motor box (35), and the sealing ring (352) is movably sleeved on the outside of the rotating shaft (361). The sealing ring (352) is made of a flexible material.

6. A sludge concentration meter pretreatment device according to claim 5, characterized in that: A connecting hole (21) is provided on the other side of the top surface of the L-shaped plate (2), and the lifting rod (33) is movably inserted into the inner side of the connecting hole (21).

7. A sludge concentration meter pretreatment device according to claim 6, characterized in that: A support leg (31) is fixedly provided on the edge of the bottom surface of the concentration meter (3), and the lower end of the support leg (31) is fixedly connected to the top surface of the L-shaped plate (2).

8. A sludge concentration meter pretreatment device according to claim 7, characterized in that: A fixing hole (28) is provided on one side wall of the L-shaped plate (2), and the fixing screw rod (112) is movably sleeved inside the fixing hole (28).