Sedimentation tank for sewage treatment

By installing adjustable-angle baffles and a hydraulically driven cleaning mechanism in the sedimentation tank, the problem of impurities floating up during sludge cleaning is solved, achieving efficient wastewater treatment and water quality protection.

CN224024343UActive Publication Date: 2026-03-24LIAONING SHUANGLIN ENVIRONMENTAL PROTECTION EQUIP MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing sewage treatment ponds, the scraper operation during sludge removal can easily disturb the sediment, causing some impurities to float to the upper layer of clear water, polluting the water quality, affecting the treatment effect, and increasing the time required.

Method used

A partition mechanism is installed in the sedimentation tank, which uses a motor-driven baffle to adjust the angle and create stratified partitions. It is also equipped with a hydraulically driven cleaning mechanism that uses push plates and rods to scrape away impurities, reducing water disturbance and pollution.

Benefits of technology

This effectively prevents impurities from floating and contaminating the upper layer of clear water, improving the cleaning efficiency and water quality of the sedimentation tank and reducing cleaning time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sedimentation tank for sewage treatment, which comprises a sedimentation tank main body and a partition mechanism, the partition mechanism is arranged in the sedimentation tank main body, the partition mechanism comprises a mounting rack, a bearing, a rotating shaft, a baffle, a motor, a speed reducer, a transmission shaft, a chain wheel and a chain belt, the mounting rack is welded on the side edge of the sedimentation tank main body, and the bearing is welded on the mounting rack. Bearings are embedded in the side, away from the mounting frame, of the inner wall of the sedimentation tank body and the corresponding position of the inner wall of the mounting frame, rotating shafts are movably connected through the bearings, a motor drives a transmission shaft to rotate through a speed reducer, then the rotating shafts are driven to rotate synchronously through chain wheels and chain belt transmission assemblies, and the angles of baffles are adjusted to be in the horizontal state when the rotating shafts rotate. The baffles are mutually attached and aligned after being adjusted in place to form a partition plate structure to partition the interior of the sedimentation tank main body, and when sediments at the bottom end of the interior of the sedimentation tank main body are cleaned, disturbed sediment impurities can be reduced from floating up to an upper water body, and secondary pollution of the water body is avoided.
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Description

Technical Field

[0001] This utility model relates to the technical field of sewage treatment equipment, and in particular to a sedimentation tank for sewage treatment. Background Technology

[0002] Sedimentation tanks are structures widely used in wastewater and water supply treatment. Their main function is to remove suspended particles from water through gravity settling or coagulation sedimentation, thereby purifying the water. They are an indispensable unit in the water treatment process, effectively separating mud and water, clarifying the mixed liquor and concentrating the sludge, and have a wide range of applications in wastewater treatment.

[0003] Existing wastewater treatment ponds have the following drawbacks: During use, the sludge and impurities that accumulate in the pond will sink to the bottom and need to be cleaned regularly. When using scrapers to remove the sediment in existing sedimentation ponds, the sediment is disturbed, causing some impurities to float to the upper layer of clear water inside the sedimentation pond, polluting the upper layer of clear water and affecting the treatment effect of the sediment. At the same time, it increases the time required for wastewater sedimentation. Therefore, we propose a sedimentation pond for wastewater treatment. Utility Model Content

[0004] The main purpose of this utility model is to provide a sedimentation tank for sewage treatment. By setting a partition mechanism inside the sedimentation tank body, the angle of the baffle can be adjusted according to different usage conditions. When cleaning impurities, the baffle can separate the tank body into layers to prevent disturbed impurities from contaminating the upper clear water, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A sedimentation tank for wastewater treatment includes a sedimentation tank body and a partition mechanism. The partition mechanism is installed inside the sedimentation tank body and includes a mounting frame, bearings, a rotating shaft, a baffle, a motor, a reducer, a drive shaft, sprockets, and a chain belt. The mounting frame is welded to the side of the sedimentation tank body. Bearings are embedded in the inner wall of the sedimentation tank body away from the mounting frame and at corresponding positions on the inner wall of the mounting frame, and the rotating shaft is movably connected to the bearings. The baffle is fixed to the outer periphery of the rotating shaft by bolts. A motor is installed on the surface of the mounting frame away from the sedimentation tank body, and a reducer is installed at the power output end of the motor. The drive shaft is installed at the power output end of the reducer and inserted into the mounting frame. The outer periphery of the rotating shaft located inside the mounting frame and the outer periphery of the drive shaft are fixed with corresponding sprockets by flat keys. Adjacent sprockets between the drive shafts are connected by chain belts.

[0007] Further, the cleaning mechanism is also included, the bottom end of the sediment tank body is provided with a cleaning mechanism, the cleaning mechanism includes a fixed tube, a hollow rubber column, a plug rod, a hydraulic cylinder, an end ring, a connecting rod and a push plate, the side edge of the sediment tank body is welded with the fixed tube and the inside of the fixed tube is bonded with the hollow rubber column, the inside of the hollow rubber column is horizontally inserted with the plug rod and the outer wall of the plug rod is attached to the inner wall of the hollow rubber column, the bottom of the sediment tank body is fixed with the hydraulic cylinder through the hanger on the side close to the fixed tube, the power output end of the hydraulic cylinder is welded with the end ring and the connecting rod is welded between the surface of the end ring and the end of the plug rod, and the end of the plug rod inside the sediment tank body is welded with the push plate; in the normal use state of the sediment tank body, the push plate is located at the end of the sediment tank body close to the fixed tube, and the power end of the hydraulic cylinder is in the extended state, when the sediment in the sediment tank body needs to be cleaned, the hydraulic cylinder is controlled to operate through the external hydraulic control assembly, so that the power end is retracted, the horizontal movement of the plug rod is driven by the end ring and the connecting rod in the retraction process, so that the end of the plug rod pushes the push plate in the sediment tank body, the impurities on the bottom and the side of the bottom end of the sediment tank body are scraped off by the push plate and pushed into the slag bucket for convenient centralized discharge, and the outer wall of the plug rod is attached to the inner wall of the hollow rubber column in the movement process of the plug rod, so that the leakage of water body is reduced as much as possible.

[0008] Further, the bottom side of the sediment tank body is welded with a slag bucket which is connected with the inside of the sediment tank body; the impurities in the inside of the sediment tank body can be collected through the slag bucket, so that the impurities can be conveniently discharged and cleaned.

[0009] Further, the inside of the sediment tank body close to the mounting bracket side is embedded with a shaft seal corresponding to the position of the rotating shaft, the rotating shaft penetrates the inside of the shaft seal, and the outer periphery of the baffle is bonded with a rubber strip; the shaft seal structure plays a connecting and sealing role at the connection between the sediment tank body and the rotating shaft, so as to avoid the water from penetrating into the mounting bracket; when the baffles are in the butt joint state, the rubber strips are attached to each other, so as to improve the sealing performance of the connection.

[0010] Further, the surface of the push plate towards the end of the plug rod is bonded with a rubber ring located at the outer periphery of the plug rod, and a groove is formed in the inside of the rubber ring, and the inner diameter specification of the groove corresponds to the outer diameter specification of the hollow rubber column; when the push plate is reset to the position close to the end of the fixed tube, the groove structure in the inside of the rubber ring is just clamped into the outer periphery of the end of the hollow rubber column, so as to play a sealing role at the connection, and further improve the sealing performance.

[0011] Further, the side edge of the sediment tank body is welded with a fixed bracket at the top position of the fixed tube, and a sleeve is welded with the fixed bracket away from the sediment tank body, and the plug rod penetrates the inside of the sleeve; the sleeve keeps its position fixed through the fixed bracket, and the plug rod penetrating the inside of the sleeve can play a limiting and auxiliary supporting role on the plug rod by the sleeve.

[0012] Compared with the prior art, the utility model have following beneficial effect: the inside of sedimentation tank main part is installed with baffle structure through pivot, when sedimentation tank main part carries out normal sedimentation treatment operation, the inside angle of baffle is in the state of inclination, so that the sedimentation impurity in the inside of sedimentation tank main part can normally fall into the inside bottom end of sedimentation tank main part, when needing to clean the inside of sedimentation tank main part, control motor operation, the rotation of transmission shaft is driven through speed reducer by motor, and then the synchronous rotation of each group of pivot is driven through chain wheel and chain belt transmission assembly, the angle of baffle is adjusted to horizontal state when pivot rotates, and the baffle is mutually attached and aligned after adjustment, and the inside of sedimentation tank main part is cut off by the baffle structure, when the deposit in the bottom end of the inside of sedimentation tank main part is cleaned, the sedimentation impurity that can reduce disturbance floats to the upper water body, avoid the secondary pollution of water body, improve the cleaning quality of the inside of sedimentation tank main part, in the normal use state of sedimentation tank main part, the push plate is located in the inside of sedimentation tank main part close to one end of fixed pipe, the power end of hydraulic cylinder is in the state of extension, when needing to clean the deposit in the inside of sedimentation tank main part, the operation of hydraulic cylinder is controlled through external hydraulic control assembly, so that the power end is retracted, the horizontal movement of insertion rod is driven through end ring and connecting rod in the retraction process, and then the end of insertion rod pushes the push plate in the inside of sedimentation tank main part, the impurity on the bottom and the side of bottom end of sedimentation tank is scraped off by the push plate and is pushed into the slag pocket for convenient centralized discharge, the hollow rubber column is attached to the outer wall of insertion rod in the movement process of insertion rod, and the leakage of water body can be reduced as much as possible. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is an overall structure schematic view of the sedimentation tank for sewage treatment.

[0014] Figure 2 It is an inside structure schematic view of the sedimentation tank main part and mounting frame of the sedimentation tank for sewage treatment.

[0015] Figure 3 It is a structure schematic view of the baffle in the inside of the sedimentation tank main part of the sedimentation tank for sewage treatment in the state of inclination.

[0016] Figure 4 It is a structure schematic view of the baffle in the inside of the sedimentation tank main part of the sedimentation tank for sewage treatment in the state of horizontal paving.

[0017] In the figure: 1, the main body of the sedimentation tank; 2, the partition mechanism; 201, the slag hopper; 202, the mounting bracket; 203, the bearing; 204, the rotating shaft; 205, the shaft seal; 206, the baffle; 207, the rubber strip; 208, the motor; 209, the speed reducer; 210, the transmission shaft; 211, the chain wheel; 212, the chain belt; 3, the cleaning mechanism; 301, the fixed tube; 302, the hollow rubber column; 303, the insertion rod; 304, the hydraulic cylinder; 305, the end ring; 306, the connecting rod; 307, the push plate; 308, the rubber ring; 309, the groove; 310, the fixing frame; 311, the sleeve. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application will be further described in conjunction with the specific embodiments.

[0019] As shown in Figures 1-4 A sedimentation tank for sewage treatment, including the main body of the sedimentation tank 1, still includes partition mechanism 2, the inside of the main body of the sedimentation tank 1 is provided with partition mechanism 2, the partition mechanism 2 includes mounting bracket 202, bearing 203, rotating shaft 204, baffle 206, motor 208, speed reducer 209, transmission shaft 210, chain wheel 211 and chain belt 212, the side of the main body of the sedimentation tank 1 is welded with mounting bracket 202, the inner wall of the main body of the sedimentation tank 1 away from the mounting bracket 202 side and the mounting bracket 202 inner wall corresponding position are all embedded with bearing 203 and are movably connected with rotating shaft 204 through bearing 203, the outer periphery of the rotating shaft 204 is fixedly connected with baffle 206 through bolts, the surface of the mounting bracket 202 away from the main body of the sedimentation tank 1 side is installed with motor 208 and the power output end of motor 208 is installed with speed reducer 209, the power output end of the speed reducer 209 is installed with transmission shaft 210 inserted into the inside of the mounting bracket 202, the outer periphery of the rotating shaft 204 located in the inside of the mounting bracket 202 one end and the outer periphery of the transmission shaft 210 are all fixedly connected with position corresponding chain wheel 211 through keys, the adjacent chain wheels 211 between the transmission shaft 210 are connected through chain belt 212.

[0020] The cleaning mechanism 3 is arranged at the bottom end of the sedimentation tank body 1, and the cleaning mechanism 3 comprises a fixed pipe 301, a hollow rubber column 302, a plug rod 303, a hydraulic cylinder 304, an end ring 305, a connecting rod 306 and a push plate 307; the fixed pipe 301 is welded to the side edge of the sedimentation tank body 1, and the hollow rubber column 302 is bonded in the fixed pipe 301; the plug rod 303 is inserted into the hollow rubber column 302 in the horizontal direction, and the outer wall of the plug rod 303 is attached to the inner wall of the hollow rubber column 302; the hydraulic cylinder 304 is fixed to the bottom of the sedimentation tank body 1 near one side of the fixed pipe 301 through a hanger; the end ring 305 is welded to the power output end of the hydraulic cylinder 304, and the connecting rod 306 is welded between the surface of the end ring 305 and the end portion of the plug rod 303; and the push plate 307 is welded to one end of the plug rod 303 inside the sedimentation tank body 1.

[0021] The slag hopper 201 is welded to one side of the bottom of the sedimentation tank body 1 and is connected to the inside of the sedimentation tank body 1; the shaft seal 205 corresponding to the position of the rotating shaft 204 is embedded in the inside of the sedimentation tank body 1 near the mounting bracket 202; the rotating shaft 204 penetrates the inside of the shaft seal 205; and the rubber strips 207 are bonded to the outer periphery of the baffle plates 206.

[0022] The surface of the push plate 307 is bonded with a rubber ring 308 located at the outer periphery of the insertion rod 303 at one end of the insertion rod 303, and the rubber ring 308 is internally provided with a groove 309, the inner diameter specification of the groove 309 corresponds to the outer diameter specification of the hollow rubber column 302, a fixed frame 310 is welded at the top position of the fixed tube 301 at the side edge of the sedimentation tank body 1, and a sleeve 311 is welded at the end away from the sedimentation tank body 1 of the fixed frame 310, and the insertion rod 303 penetrates the inside of the sleeve 311; when the push plate 307 is reset to the position close to the end of the fixed tube 301, the groove 309 structure in the rubber ring 308 is just clamped into the outer periphery of the end of the hollow rubber column 302, which can play a sealing role on the connection, further improve the sealing performance, the sleeve 311 keeps its position fixed through the fixed frame 310, and the insertion rod 303 penetrating the inside of the sleeve 311 can play a limiting and auxiliary supporting role on the insertion rod 303 through the sleeve 311.

[0023] It should be noted that the utility model is a kind of sedimentation tank for sewage treatment, when using, the inside of sedimentation tank body 1 is provided with baffle 206 structure by pivot 204, when sedimentation tank body 1 carries out normal sedimentation treatment operation, baffle 206 is in the inside of sedimentation tank body 1 Angle is in the state of inclination, so that the sedimentation impurities in the inside of sedimentation tank body 1 can normally fall into the inside bottom end of sedimentation tank body 1, when needing to clean the inside of sedimentation tank body 1, control motor 208 operation, motor 208 drives the rotation of transmission shaft 210 by speed reducer 209, then by sprocket 211 and chain 212 transmission assembly drives the synchronous rotation of each group of pivots 204, pivot 204 rotates and adjusts the angle of baffle 206 to horizontal state, after adjustment, baffle 206 is mutually attached and aligned, and forms partition plate structure to partition the inside of sedimentation tank body 1, when cleaning the sediment in the bottom end of the inside of sedimentation tank body 1, the disturbance of the sediment impurities floating to the upper layer of water can be reduced, secondary pollution of water body is avoided, and the cleaning quality in the inside of sedimentation tank body 1 is improved;In the normal use state of sedimentation tank body 1, push plate 307 is located at the end of fixed tube 301 in the inside of sedimentation tank body 1, the power end of hydraulic cylinder 304 is in the state of extension, when needing to clean the sediment in the inside of sedimentation tank body 1, the power end is retracted by controlling the operation of hydraulic cylinder 304 by external hydraulic control assembly, the horizontal movement of insertion rod 303 is driven by end ring 305 and connecting rod 306 in the retraction process, then the end of insertion rod 303 moves push plate 307 in the inside of sedimentation tank body 1, the impurities on the bottom and the side of the bottom of sedimentation tank are scraped off by push plate 307 and pushed into hopper 201 for convenient centralized discharge, in the movement process of insertion rod 303, the inner wall of hollow rubber column 302 is attached to the outer wall of insertion rod 303, which can reduce the leakage of water body as much as possible.

[0024] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A sedimentation tank for wastewater treatment, comprising a sedimentation tank body (1), characterized in that, It also includes a partition mechanism (2). The main body (1) of the sedimentation tank is equipped with a partition mechanism (2). The partition mechanism (2) includes a mounting frame (202), a bearing (203), a rotating shaft (204), a baffle (206), a motor (208), a reducer (209), a transmission shaft (210), a sprocket (211), and a chain belt (212). The main body (1) of the sedimentation tank is welded with a mounting frame (202). The inner wall of the sedimentation tank (1) away from the mounting frame (202) and the corresponding position of the inner wall of the mounting frame (202) are both embedded with bearings (203), and the rotating shaft (204) is movably connected through the bearings (203). A baffle (206) is fixedly connected to the outer periphery of the rotating shaft (204) by bolts. A motor (208) is installed on the side of the mounting frame (202) away from the sedimentation tank body (1), and a reducer (209) is installed at the power output end of the motor (208). A drive shaft (210) inserted into the mounting frame (202) is installed at the power output end of the reducer (209). A sprocket (211) with corresponding positions is fixed to the outer periphery of the rotating shaft (204) inside the mounting frame (202) and the outer periphery of the drive shaft (210) by a flat key. Adjacent sprockets (211) between the drive shafts (210) are connected by a chain belt (212).

2. A sedimentation tank for wastewater treatment according to claim 1, characterized in that: It also includes a cleaning mechanism (3). The bottom of the sedimentation tank body (1) is provided with a cleaning mechanism (3). The cleaning mechanism (3) includes a fixed pipe (301), a hollow rubber column (302), an insert rod (303), a hydraulic cylinder (304), an end ring (305), a connecting rod (306), and a push plate (307). The fixed pipe (301) is welded to the side of the sedimentation tank body (1), and a hollow rubber column (302) is bonded inside the fixed pipe (301). The hollow rubber column (302) contains water. A rod (303) is inserted horizontally and the outer wall of the rod (303) is attached to the inner wall of the hollow rubber column (302). A hydraulic cylinder (304) is fixed to the bottom of the sedimentation tank body (1) near the fixed pipe (301) by a bracket. An end ring (305) is welded to the power output end of the hydraulic cylinder (304), and a connecting rod (306) is welded between the surface of the end ring (305) and the end of the rod (303). A push plate (307) is welded to one end of the rod (303) inside the sedimentation tank body (1).

3. A sedimentation tank for wastewater treatment according to claim 1, characterized in that: The sedimentation tank body (1) has a slag hopper (201) welded to one side of its bottom, which is connected to the interior of the sedimentation tank body (1).

4. A sedimentation tank for wastewater treatment according to claim 1, characterized in that: The sedimentation tank body (1) has a shaft seal (205) embedded inside the side near the mounting frame (202) that corresponds to the position of the rotating shaft (204). The rotating shaft (204) passes through the inside of the shaft seal (205). The baffle (206) has rubber strips (207) glued to its outer periphery.

5. A sedimentation tank for wastewater treatment according to claim 2, characterized in that: The push plate (307) has a rubber ring (308) attached to one end of the insertion rod (303) facing the surface of the push plate (307), and a groove (309) is provided inside the rubber ring (308). The inner diameter of the groove (309) corresponds to the outer diameter of the hollow rubber column (302).

6. A sedimentation tank for wastewater treatment according to claim 2, characterized in that: A fixing frame (310) is welded to the side of the sedimentation tank body (1) at the top of the fixing pipe (301), and a sleeve (311) is welded to the end of the fixing frame (310) away from the sedimentation tank body (1). The insertion rod (303) penetrates the inside of the sleeve (311).