Cleaning device for effluent weir of secondary sedimentation tank

Abstract

The utility model discloses a cleaning device for an effluent weir of a secondary sedimentation tank, which comprises a tank body, an effluent weir, a mud scraper and a fixed column positioned at the axis of the tank body are fixedly mounted in the tank body, a driving device is arranged on the fixed column and used for controlling the mud scraper to rotate along the inner peripheral wall of the tank body, and a pipeline is arranged in the tank body and used for driving the mud scraper to rotate along the inner peripheral wall of the tank body. A water inlet of the pipeline is formed in the position close to the fixing column, the pipeline extends to the edge of an outlet of the effluent weir in the radial direction, and a water spraying pipe and a nozzle are embedded in the pipeline and used for flushing the outlet of the effluent weir and the surrounding area. The cleaning device mainly achieves automatic cleaning of the effluent weir and the surrounding area of the effluent weir by integrating the mud scraper and the water spraying cleaning system. The sludge scraper rotates along the inner peripheral wall of the tank body under the control of the driving device on the fixed column, so that sludge is effectively scraped; meanwhile, the water spraying pipes and the nozzles in the pipeline wash the outlet of the effluent weir and the surrounding area, and the water spraying pipes and the nozzles work cooperatively, so that the cleaning efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the field of sewage treatment process equipment, and specifically relates to a cleaning device for the effluent weir of a secondary sedimentation tank. Background Art

[0002] In the sewage treatment process, the secondary sedimentation tank is an important part of the process structure. Since the effluent quality of the secondary sedimentation tank is good and contains nutrients such as nitrogen and phosphorus, algae and other substances are likely to grow on the effluent weir and effluent channel, and floating sludge accumulates, affecting the sense. During the operation and maintenance of the effluent weir and effluent channel, frequent cleaning is required. However, the effluent weir is usually located in sewage treatment facilities such as secondary sedimentation tanks. The working environment of these facilities is often complex and harsh, with various potential safety hazards, and various toxic gases such as hydrogen sulfide (H2S) are generated during the sewage treatment process, posing a serious threat to the health of workers and even endangering their lives.

[0003] In addition, cleaning the effluent weir is often limited by the physical strength, endurance and operation skills of workers, making it difficult to achieve efficient and thorough cleaning effects, and increasing the cost of cleaning work.

[0004] In view of this, the present utility model is specifically proposed. Content of the Utility Model

[0005] The technical problem to be solved by the present utility model is to overcome the deficiencies of the prior art and provide a cleaning device for the effluent weir of a secondary sedimentation tank.

[0006] To solve the above technical problems, the specific technical solutions adopted by the present utility model are as follows:

[0007] A cleaning device for the effluent weir of a secondary sedimentation tank, comprising:

[0008] A pool body, in which an effluent weir, a sludge scraper, and a fixed column located at the axis of the pool body are fixedly installed;

[0009] Wherein, a driving device is arranged on the fixed column for controlling the sludge scraper to rotate along the inner peripheral wall of the pool body;

[0010] Wherein, a pipeline is arranged in the pool body, and the water inlet of the pipeline is located on one side of the fixed column;

[0011] Wherein, the pipeline extends radially to the outlet edge of the effluent weir, and a spray pipe and a spray head are embedded in the pipeline for flushing the outlet of the effluent weir.

[0012] Further, the sludge scraper is connected to the fixed column through a transmission device.

[0013] Further, a slip ring is arranged on the fixed column in the pool body for supplying power from the fixed column to the sludge scraper during the rotation of the sludge scraper.

[0014] Furthermore, a high-pressure pump is further included in the pool body, and the high-pressure pump is arranged on the transmission device of the sludge scraper.

[0015] Furthermore, the number of the spray heads is set to be two or more; and / or

[0016] The spray head is an adjustable inclination angle spray head.

[0017] Furthermore, the spray heads are distributed radially along the pipeline, and comprehensively cover the outlet of the water outlet weir and the surrounding area.

[0018] Furthermore, a filter screen is arranged in the water spray pipe of the pipeline;

[0019] The pipeline is made of self-cleaning material; and / or

[0020] A pressure regulating device is equipped in the spray head for regulating the pressure of the flushing water flow.

[0021] Furthermore, the cleaning device further includes: a timing control device arranged on the fixed column for automatically adjusting the flushing time and the interval time of the sludge scraper operation according to a preset program or manually setting a first time interval.

[0022] Furthermore, the cleaning device further includes: a safety protection system, and the safety protection system includes a leakage protection device, an overload protection device and an emergency stop device.

[0023] Furthermore, the cleaning device further includes: an audible and visual alarm device for emitting an audible and visual alarm when the current is overloaded or the water pressure is abnormal.

[0024] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art.

[0025] By designing an automatic cleaning device integrating a sludge scraper and a water spraying and cleaning system, the utility model realizes the automatic cleaning of the water outlet weir and the surrounding area. The sludge scraper can rotate along the inner peripheral wall of the pool body under the control of the driving device on the fixed column, effectively scraping the sludge; at the same time, the water spray pipes and spray heads in the pipeline flush the outlet of the water outlet weir and the surrounding area, and the two work together, greatly improving the cleaning efficiency.

[0026] Manual cleaning often has problems such as incomplete and uneven cleaning, which affects the water quality of the effluent. Through a precisely designed water spraying system and a nozzle with adjustable angle in this utility model, it can comprehensively cover the outlet and the surrounding area of the effluent weir, and adjust the spraying angle and pressure according to actual needs to achieve precise cleaning, ensure the cleanliness of the effluent weir area, and thus improve the sewage treatment effect. In addition, when workers enter the sewage treatment facility for cleaning operations, they face various potential safety hazards, such as poisoning, slipping and falling, etc. Through the design of an automated cleaning device in this utility model, workers are liberated from the dangerous working environment, reducing the safety risks faced by manual cleaning. At the same time, the built-in safety protection system of the device further ensures the safety of the equipment and operators.

[0027] The cleaning device in this utility model adopts a modular design, and the connection between each component is tight and easy to disassemble and replace, which not only improves the reliability and stability of the equipment, but also facilitates daily maintenance and repair work. At the same time, the design of setting a filter screen in the water spraying pipe or using self-cleaning materials also reduces the risk of impurity blockage of the nozzle and extends the service life of the equipment.

[0028] The following further describes the specific implementation manners of this utility model in conjunction with the accompanying drawings. Description of the Drawings

[0029] The accompanying drawings, as a part of this utility model, are used to provide a further understanding of this utility model. The schematic embodiments and descriptions thereof of this utility model are used to explain this utility model, but do not constitute an improper limitation to this utility model. Obviously, the accompanying drawings in the following description are only some embodiments, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts. In the drawings:

[0030] Figure 1 is a cross-sectional view of a cleaning device for the effluent weir of a secondary sedimentation tank of this utility model.

[0031] In the figure: 1, tank body; 2, sludge scraper; 21, transmission device; 3, fixed column; 4, driving device; 5, pipeline; 51, nozzle; 6, slip ring; 7, high-pressure pump; 8, effluent weir.

[0032] It should be noted that these drawings and textual descriptions are not intended to limit the scope of the concept of this utility model in any way, but to illustrate the concept of this utility model to those skilled in the art by referring to specific embodiments. Specific Embodiments

[0033] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments in conjunction with the accompanying drawings in the embodiments of the present utility model. The following embodiments are used to illustrate the present utility model but are not intended to limit the scope of the present utility model.

[0034] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0035] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0036] Embodiment

[0037] As Figure 1 shown, a cleaning device for the effluent weir of a secondary sedimentation tank includes: a tank body 1, in which an effluent weir 8, a sludge scraper 2, and a fixed column 3 located at the center of the tank body are fixedly installed;

[0038] Among them, a driving device 4 is arranged on the fixed column 3 for controlling the sludge scraper 2 to rotate along the inner peripheral wall of the tank body 1; among them, a pipeline 5 is arranged in the tank body 1, and the water inlet of the pipeline 5 is located on one side of the fixed column 3; among them, the pipeline 5 extends radially to the outlet edge of the effluent weir 8, and a spray pipe and a nozzle 51 are embedded in the pipeline for flushing the outlet of the effluent weir 8.

[0039] In this embodiment, the pool body 1 serves as the bearing foundation of the entire system, and its inner wall is smooth, facilitating subsequent cleaning. In addition, the surface of the weir 8 is made of corrosion-resistant and easily washable materials, reducing the accumulation of biofilms and dirt. The weir 8 is arranged at the upper edge of the pool body 1, and its design not only ensures the stability of the effluent water quality but also facilitates cleaning and maintenance. The sludge scraper 2 realizes automatic operation through the driving device 4 on the fixed column 3. This driving device adopts an energy-efficient motor or hydraulic driving method, which can precisely control the sludge scraper 2 to rotate along the inner peripheral wall of the pool body 1, effectively scraping the sludge deposited at the bottom of the pool. The sludge scraper 2 is designed with an adaptive adjustment function, which can automatically adjust the scraping depth according to the thickness of the sludge at the bottom of the pool, improving the cleaning efficiency.

[0040] In a feasible embodiment, the spray heads 51 are provided with two or more; and / or the spray heads 51 are adjustable inclination spray heads.

[0041] In this embodiment, in order to further improve the cleaning effect of the weir 8, the pipeline 5 is specially arranged in the pool body 1. The pipeline 5 extends radially from one side of the fixed column 3 to the outlet edge of the weir 8. The pipeline is embedded with an advanced spray pipe and the precisely arranged spray heads 51. The spray heads adopt high-pressure water mist technology, which can accurately aim at the outlet of the weir 8 for all-round and dead-angle-free flushing, effectively removing the dirt, biofilms and suspended matters attached to the surface of the weir, and ensuring that the effluent water quality is clear and transparent.

[0042] In this embodiment, the cleaning device further includes: a slip ring 6. The slip ring 6 is arranged on the fixed column 3 in the pool body 1 and is used to supply power from the fixed column 3 to the sludge scraper 2 during the rotation of the sludge scraper 2. The traditional cable power supply method is prone to safety accidents or equipment shutdown due to cable winding, abrasion or breakage during the rotation process. In this application, the slip ring 6 is provided to allow the sludge scraper 2 to rotate freely in the pool body 1 without worrying about cable winding or power supply interruption problems.

[0043] Reduce maintenance costs:

[0044] In a feasible embodiment, the sludge scraper 2 is connected to the fixed column 3 through a transmission device 21. The transmission device 21 in this application can efficiently and stably transmit the power provided by the driving device on the fixed column 3 to the sludge scraper 2, ensuring that the sludge scraper 2 can obtain continuous and stable power support during operation. In addition, the design of the transmission device 21 enables the running speed and scraping depth of the sludge scraper to be adjusted according to actual needs. This flexibility helps to adapt to the cleaning requirements under different working conditions and improve the cleaning efficiency.

[0045] In a feasible implementation, a high-pressure pump 7 is further included in the pool body 1, and the high-pressure pump 7 is arranged on the transmission device 21 of the sludge scraper. In this application, the high-pressure pump 7 is arranged on the transmission device 21 to achieve an integrated design of the equipment, reduce the floor area, and make more efficient use of the internal space of the pool body 1. In addition, the high-pressure pump 7 can be quickly started and deliver high-pressure water flow to a designated position through the transmission device 21, improving the cleaning efficiency.

[0046] In a feasible implementation, a filter screen is arranged in the water spraying pipe of the pipeline 5;

[0047] The pipeline 5 is made of self-cleaning material; and / or a pressure regulating device is equipped in the nozzle 51 for regulating the pressure of the flushing water flow. For the convenience of maintenance and to minimize the impact on the stability of the support of the sludge scraper 2, preferably, the water inlet of the pipeline 5 is arranged near the fixed column 3.

[0048] In this implementation, the nozzles 51 are distributed radially along the pipeline 5 to fully cover the outlet and the surrounding area of the weir 8. Preferably, the spraying angle of the nozzles 51 is large enough to cover the weir, and the sprayed water is in a columnar or sheet shape with a certain pressure.

[0049] In this implementation, the radial distribution and the large spraying angle of the nozzles 51 ensure full coverage of the outlet and the surrounding area of the weir 8, achieving cleaning without dead corners. This helps to thoroughly remove dirt, biofilm, and suspended matter attached to the weir 8, keeping the weir 8 clean and unobstructed.

[0050] In a feasible implementation, the cleaning device further includes: a timing control device arranged on the fixed column 3 for automatically adjusting the flushing time and the interval time of the operation of the sludge scraper 2 according to a preset program or manually setting a first time interval. The user can set the precise interval time between the flushing time and the operation of the sludge scraper 2 according to actual needs, realizing a fully automated cleaning operation process. In this application, the intelligent timing control device is introduced, enabling the cleaning operation to be automatically carried out according to the preset program without frequent manual intervention, greatly improving the work efficiency and the automation level.

[0051] In a feasible implementation, the cleaning device further includes: to ensure operation safety, the cleaning device has comprehensively upgraded its safety protection system, which includes a leakage protection device, an overload protection device, and an emergency stop device. The leakage protection device, the overload protection device, and the emergency stop device work together to monitor the operation status of the equipment in real time. Once an abnormal situation is detected, corresponding protection measures are immediately triggered to effectively prevent potential dangers such as electrical faults and mechanical overloads.

[0052] In a feasible embodiment, to further enhance the safety of the device and the fault response speed, the cleaning device is further provided with an audible and visual alarm device, which is used to emit an audible and visual alarm when the current is overloaded or the water pressure is abnormal, immediately emitting a prominent audible and visual alarm to remind the operator to take measures in time to avoid the situation from expanding.

[0053] Adding the audible and visual alarm device enables the device to quickly emit an alarm when a fault occurs, reminding the operator to pay attention and handle it in time. This rapid response mechanism helps to reduce the fault downtime and lower the maintenance cost. The timing control device not only realizes the automation of the cleaning operation but also provides convenience for the regular maintenance and servicing of the device. The operator can reasonably arrange the maintenance plan according to the set time interval to ensure that the device is always in the best operating state.

[0054] The above are only the preferred embodiments of the present utility model and do not impose any form of limitation on the present utility model. Although the present utility model has been disclosed above with the preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art of this patent, without departing from the scope of the technical solution of the present utility model, may make some changes or modifications using the technical content prompted above into equivalent embodiments of equivalent changes. The implementation schemes in the above embodiments can also be further combined or replaced. However, as long as it does not depart from the content of the technical solution of the present utility model, any simple modification, equivalent change, and modification made to the above embodiments according to the technical essence of the present utility model still fall within the scope of the present utility model's solution.

Claims

1. A cleaning device for a secondary sedimentation tank outlet weir, characterized in that: include: A tank body (1), wherein a water outlet weir (8), a mud scraper (2), and a fixed column (3) located at the axis of the tank body are fixedly installed in the tank body (1); Wherein, a driving device (4) is arranged on the fixed column (3) for controlling the scraper (2) to rotate along the inner peripheral wall of the pool body (1); Wherein, a pipeline (5) is arranged in the pool body (1), and a water inlet of the pipeline (5) is located on one side of the fixing column (3); The pipe (5) radially extends to the outlet edge of the water outlet weir (8), and a water spray pipe and a spray head (51) are embedded in the pipe for flushing the outlet of the water outlet weir (8).

2. The cleaning device for the secondary sedimentation tank outlet weir according to claim 1, characterized in that: The mud scraper (2) is connected to the fixed column (3) via a transmission device (21).

3. The cleaning device for the secondary sedimentation tank outlet weir according to claim 1, characterized in that: Also includes: A slipping electric ring (6) is arranged on the fixed column (3) in the pool body (1) and is used to supply power from the fixed column (3) to the scraper (2) during the rotation of the scraper (2).

4. A cleaning device for a secondary sedimentation tank outlet weir according to claim 3, characterized in that: The tank body (1) also includes a high-pressure pump (7), and the high-pressure pump (7) is arranged on the transmission device (21) of the mud scraper.

5. The cleaning device for the secondary sedimentation tank outlet weir according to claim 1, characterized in that: The nozzles (51) are arranged in two or more forms; and / or The spray head (51) is an adjustable inclination spray head.

6. A cleaning device for a secondary sedimentation tank outlet weir according to claim 5, characterized in that: The nozzles (51) are distributed along the radial direction of the pipeline (5) to fully cover the outlet of the water outlet weir (8) and the surrounding area.

7. A cleaning device for a secondary sedimentation tank outlet weir according to claim 6, characterized in that: A filter screen is arranged inside the water spray pipe of the pipeline (5); The pipeline (5) is made of a self-cleaning material; and / or The nozzle (51) is equipped with a pressure regulating device for regulating the pressure of the flushing water flow.

8. A cleaning device for a secondary sedimentation tank outlet weir according to any one of claims 1 to 7, characterized in that: The cleaning device also includes: A timing control device is arranged on the fixed column (3) and is used to automatically adjust the flushing time and the interval time of the operation of the scraper (2) according to a preset program or a manually set first time interval.

9. A cleaning device for a secondary sedimentation tank outlet weir according to any one of claims 1 to 7, characterized in that: The cleaning device also includes: A safety protection system, which includes a leakage protection device, an overload protection device and an emergency stop device.

10. A cleaning device for a secondary sedimentation tank outlet weir according to claim 9, characterized in that: The cleaning device also includes: The invention discloses an audible and visual alarm device, which is used to send out an audible and visual alarm when the current is overloaded or the water pressure is abnormal.

Images