Sewage separation equipment

Abstract

The utility model relates to the technical field of sewage treatment equipment, and provides sewage separation equipment, which comprises a tank body and a drainage pipe, the tank body comprises a separation area and a settling area which are communicated with each other, the settling area is arranged below the separation area, and the side wall of the separation area is provided with a tangential inlet used for inputting sewage into the separation area; the drain pipe is arranged at the top of the separation area, two ends of the drain pipe are respectively connected with the inner wall surface of the separation area, and water inlet holes are formed in the periphery of the drain pipe; a water outlet is formed in the side wall of the separation area; at least one end of the water drainage pipe is communicated with the water outlet. The tangential inlet is formed in the side wall of the separation area, sewage enters the separation area to generate rotational flow, and particles in the sewage enter the settling area to be separated under the action of gravity and centrifugal force; separated supernatant liquid is collected into the water drainage pipe through the water inlet hole and is rapidly drained through the water drainage opening, and the upward water outlet flow speed can be reduced. Rapid sedimentation is achieved through rotational flow, the treatment time is shortened, manual operation is reduced, and safety is high.

Description

Technical Field

[0001] This utility model relates to the field of sewage treatment equipment technology, and in particular to a sewage separation device. Background Technology

[0002] In rural wastewater treatment, initial rainwater treatment, and upstream treatment at wastewater treatment plants, the treated water often contains a large number of tiny inorganic sand particles. If these tiny sand particles are not effectively separated, they will not only accelerate the wear and tear of pump equipment and shorten its lifespan once they enter subsequent pumping equipment, biological treatment units, or sludge treatment stages, but also reduce the effective volume of biological treatment and sludge treatment facilities, leading to decreased treatment efficiency and thus having a highly detrimental impact on the overall water purification process. Therefore, effectively separating these tiny sand particles is a crucial step in rural wastewater and rainwater treatment.

[0003] However, rural sewage and rainwater, especially initial rainwater, are characterized by small flow rates, large variation coefficients, and a wide range of inorganic sand particle sizes. This necessitates treatment equipment with strong resistance to shock loads and fine particle size separation characteristics. Traditional mechanical cyclone sand separators typically rely on agitators to promote cyclone formation and separate sand particles from the water. However, when faced with the common shock load variations in rural sewage and rainwater treatment, these devices require real-time adjustments to the agitator speed and blade angle to adapt to different flow conditions. This requirement for real-time adjustment not only increases the complexity of equipment operation but also demands a high level of technical expertise from on-site management personnel. Utility Model Content

[0004] This utility model provides a wastewater separation device to solve the problems of complex operation and low separation efficiency in the existing technology for separating sand particles from wastewater.

[0005] This utility model provides a wastewater separation device, comprising: a tank body, the tank body including a separation zone and a sedimentation zone that are interconnected, the sedimentation zone being located below the separation zone, and a tangential inlet being provided on the side wall of the separation zone for inputting wastewater into the separation zone; a drain pipe, the drain pipe being located at the top of the separation zone, the two ends of the drain pipe being respectively connected to the inner wall of the separation zone, and a water inlet being provided on the outer periphery of the drain pipe; and a drain outlet being provided on the side wall of the separation zone, with at least one end of the drain pipe communicating with the drain outlet.

[0006] According to the present invention, a wastewater separation device is provided, wherein there are multiple tangential inlets, and the multiple tangential inlets are spaced apart along the height direction of the separation zone.

[0007] According to the present invention, a wastewater separation device is provided, wherein there are multiple tangential inlets, and the multiple tangential inlets are spirally spaced along the axis of the separation zone.

[0008] According to the present invention, a wastewater separation device further includes a diversion component, which is disposed within the separation zone.

[0009] According to the present invention, a wastewater separation device is provided, wherein the diversion component includes a fixing member and a diversion member, the fixing member is coaxially arranged with the separation zone, and the diversion member is arranged along the outer periphery of the fixing member.

[0010] According to the present invention, a sewage separation device is provided, wherein there are multiple diversion elements, which are spaced apart along the height direction of the fixing element, and the height of at least one diversion element is consistent with the height of one of the tangential inlets.

[0011] According to the present invention, a sewage separation device is provided in which the top of the diversion member is connected to the outer wall of the fixing member, and the cross-sectional area of ​​the diversion member gradually increases from the top to the bottom.

[0012] According to the present invention, a wastewater separation device is provided, wherein there are multiple drain pipes, and at least one end of each drain pipe is connected to the drain outlet; or, the multiple drain pipes are interconnected, and at least one drain pipe is connected to the drain outlet.

[0013] According to the present invention, a wastewater separation device further includes a cover plate and an installation component. The cover plate is installed on the diversion assembly via the installation component. The cover plate is placed in the sedimentation zone, and there is a gap between the outer periphery of the cover plate and the inner wall of the sedimentation zone to form a fluid channel.

[0014] According to the present invention, a wastewater separation device is provided, wherein the separation zone includes a separation section and a transition section, the transition section is disposed between the separation section and the sedimentation zone, and the cross-sectional area of ​​the transition section gradually decreases from the bottom surface of the separation section to the top surface of the sedimentation zone.

[0015] The wastewater separation equipment provided by this utility model utilizes a tangential inlet on the side wall of the separation zone. Wastewater entering the separation zone generates a swirling flow, and particles in the wastewater, under the influence of gravity and centrifugal force, enter the sedimentation zone for separation. The separated supernatant is collected through the inlet into the drain pipe and quickly discharged through the outlet, reducing the upward flow velocity. This utility model utilizes swirling flow to achieve rapid sedimentation, reducing processing time, minimizing manual operation, and ensuring high safety. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a top view of the wastewater separation equipment provided by this utility model;

[0018] Figure 2 yes Figure 1 Schematic diagram of the cross section at point AA;

[0019] Figure 3 yes Figure 1 Schematic diagram of the cross section at point BB;

[0020] Figure label:

[0021] 1. Tank body; 11. Separation zone; 111. Separation section; 112. Transition section; 113. Tangential inlet; 114. Drain outlet; 12. Sedimentation zone; 2. Drain pipe; 3. Drainage assembly; 31. Fixing component; 32. Drainage component; 4. Cover plate; 5. Installation component; 6. Crossbeam. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.

[0024] In the description of the embodiments of this utility model, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0026] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0027] The following disclosure provides numerous different embodiments or examples for implementing various structures of the present invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples. Such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention; however, those skilled in the art will recognize the applicability of other processes and / or the use of other materials.

[0028] The following is combined with Figures 1-3 This invention describes a wastewater separation device.

[0029] The wastewater separation device provided in this embodiment includes a tank body 1 and a drain pipe 2. The tank body 1 includes a separation zone 11 and a sedimentation zone 12, which are connected. The sedimentation zone 12 is located below the separation zone 11, and its cross-sectional dimensions can be smaller than those of the separation zone 11 to allow the wastewater to settle naturally during the separation process, reducing interference from floating matter. A tangential inlet 113 is provided on the side wall of the separation zone 11, allowing wastewater to enter the separation zone 11 tangentially, where it generates a swirling flow.

[0030] In the actual wastewater treatment process, wastewater enters the separation zone 11 through the tangential inlet 113, forming a swirling flow. Under the action of gravity and centrifugal force, the solid particles in the wastewater quickly settle downwards. The settled wastewater enters the sedimentation zone 12, which can be equipped with a discharge outlet to periodically discharge the settled solid sludge.

[0031] Furthermore, a drain pipe 2 is provided at the top of the separation zone 11 for discharging the water separated from the upper part of the separation zone 11. Specifically, both ends of the drain pipe 2 are connected to the inner wall of the separation zone 11, and multiple water inlets are provided on the outer periphery of the drain pipe 2. The water separated from the separation zone 11 can enter the drain pipe 2 through the water inlets, which helps to reduce the upward outflow velocity and fully ensure the retention rate of small-diameter particles. A drain outlet 114 is provided on the side wall of the separation zone 11, and at least one end of the drain pipe 2 is connected to the drain outlet 114 to discharge the internal water. In one embodiment, the drain outlet is connected to the treatment equipment through a pipeline, and the wastewater separated from the separation zone 11 can enter the treatment equipment through the drain outlet 114 for subsequent treatment, avoiding excessively high water levels inside the tank 1. It should be noted that the height of the drain outlet 114 is not higher than the height of the drain pipe 2, which is conducive to the discharge of the upper clear liquid collected in the drain pipe 2.

[0032] The wastewater separation device provided in this embodiment utilizes a tangential inlet 113 on the side wall of the separation zone 11. Wastewater entering the separation zone 11 generates a swirling flow, and particles in the wastewater enter the sedimentation zone 12 under the influence of gravity and centrifugal force, achieving separation. The separated supernatant is collected through the inlet hole into the drain pipe 2 and quickly discharged through the drain outlet 114, reducing the upward flow velocity. This invention utilizes swirling flow to achieve rapid sedimentation, reducing processing time, minimizing manual operation, and ensuring high safety.

[0033] In this embodiment of the invention, the drain pipe 2 can move along the height direction of the separation zone 11 to adjust the height of the drain pipe 2 according to the amount of water in the separation zone, so that the upper clear liquid in the separation zone 11 can be discharged quickly.

[0034] To handle wastewater with varying flow rates, this embodiment of the invention designs multiple tangential inlets 113. This allows wastewater with higher flow rates to enter the separation zone 11 through multiple tangential inlets 113, effectively increasing treatment capacity. Simultaneously, multiple tangential inlets 113 ensure that the swirling flow velocity entering the separation zone 11 remains within a suitable range, thus avoiding treatment instability caused by excessive velocity variations at a single tangential inlet 113. This enhances the stability and reliability of the system, ensuring the high efficiency of the wastewater treatment process.

[0035] In one embodiment, multiple tangential inlets 113 are spaced apart along the height of the separation zone 11, making full use of the entire height of the separation zone 11 and improving the wastewater treatment capacity, enabling wastewater of different flow rates to be effectively treated. In another embodiment, multiple tangential inlets 113 are spirally spaced along the axis of the separation zone 11, which can further enhance the mixing and rotation effect of the fluid, optimize the flow path of the fluid in the separation zone 11, thereby improving sedimentation efficiency and reducing wastewater treatment time.

[0036] This utility model embodiment features multiple tangential inlets 113, which not only enhances the adaptability and processing capacity of the equipment but also provides technical support for the efficient separation of large-flow sewage, offering flexible solutions for sewage treatment plants of different sizes.

[0037] In addition, each tangential inlet 113 in this embodiment of the present invention is provided with a sealing cap, which can be used to seal one or more tangential inlets 113 when treating small flow rates of sewage.

[0038] To improve the sedimentation effect, this embodiment of the invention provides a flow guiding component 3 in the separation zone 11. The flow guiding component 3 is located in the separation zone 11 and is used to guide the flow of fluid.

[0039] like Figure 2 and Figure 3 As shown, the drainage assembly 3 includes a fixing member 31 and a drainage member 32. The fixing member 31 is coaxially arranged with the separation zone 11. The fixing member 31 can be fixed to the top of the separation zone 11, such as when a crossbeam 6 is provided at the top of the tank body 1, and the fixing member 31 is fixed to the crossbeam 6. In one embodiment, the crossbeam 6 is provided with a mounting hole, and the fixing member 31 is fixed in the mounting hole, such as when the top of the fixing member 31 is fixed in the mounting hole by a threaded connection, ensuring that it is stable and immovable. The fixing member 31 can be a fixing pipe with strong support and corrosion resistance to adapt to the sewage treatment environment.

[0040] The guide element 32 is inclined downward along the outer periphery of the fixing element 31 to guide the flow of solid particles. In one embodiment, the guide element 32 has a conical structure, and its cross-section gradually increases from top to bottom. When solid particles move on the guide element 32, they can obtain a better guiding effect and increase the interception rate. Guided by the guide element 32, solid particles can smoothly settle to the bottom of the separation zone 11 and enter the sedimentation zone 12, thereby improving the sedimentation effect.

[0041] Furthermore, to further optimize the performance of the flow guiding component 3, multiple flow channels can be provided on the upper wall of the flow guiding component 32 to enhance the fluid flowability and uniformity. The flow channels effectively reduce dead zones in the fluid, ensuring that solid particles are uniformly guided and settle smoothly. Meanwhile, the fixing component 31 and the flow guiding component 32 are made of corrosion-resistant and wear-resistant materials to extend the service life of the equipment and reduce maintenance frequency.

[0042] In this embodiment of the utility model, multiple diversion elements 32 can be provided. Multiple diversion elements 32 are arranged at intervals along the height direction of the fixing element 31, which can effectively increase the diversion and sedimentation efficiency of solid particles.

[0043] In a specific embodiment, the guide elements 32 can be arranged at preset intervals to form a multi-layered guiding structure. This not only enhances the flow guidance of solid particles within the separation zone 11 but also increases the contact area between the liquid and solid particles, thereby promoting sedimentation. Each guide element 32 can be a cone or other suitable shape, so that solid particles can be guided layer by layer during their descent, preventing them from agglomerating or clogging.

[0044] Furthermore, the tilt angle and shape of each guide element 32 can be adjusted according to actual needs to optimize the fluid flow path and the distribution of solid particles. By rationally setting the number and position of the guide elements 32, the processing efficiency of the sedimentation zone 12 can be further improved, making the solid particles more evenly distributed at the bottom of the sedimentation zone 12 and improving the overall separation effect.

[0045] Furthermore, the height of at least one guide element 32 is consistent with that of at least one tangential inlet 113, so that the fluid passing through the tangential inlet 113, after generating swirling flow, can be effectively guided by the guide element 32, thereby significantly improving the sedimentation effect. Figure 2 and Figure 3 As shown, two guide elements 32 and two tangential inlets 113 are provided. The distance between the two guide elements 32 is equal to the distance between the two tangential inlets 113, and the tangential inlets 113 and the guide elements 32 are set in a one-to-one correspondence. The swirling flow formed by the fluid entering the tangential inlet 113 can directly act on the corresponding guide element 32, so that the solid particles in the fluid are guided by the guide element 32 and quickly settle to the bottom of the separation zone 11.

[0046] This invention effectively reduces the residence time of fluid in the separation zone 11 and optimizes the overall fluid flow path. By rationally setting the height and spacing of the tangential inlet 113 and the guide element 32, a more stable and efficient sedimentation process can be achieved, providing a stronger guarantee for improving the performance of the wastewater treatment system. The coordinated design of the tangential inlet 113 and the guide element 32 makes the solid particle treatment in the entire separation zone 11 more efficient, helping to achieve the ideal sedimentation effect.

[0047] To achieve rapid drainage, multiple drainage pipes 2 can be used in this embodiment of the invention. These multiple drainage pipes 2 can be spaced apart along the width direction of the pool body 1; and / or, they can be spaced apart along the length direction of the pool body 1. The multiple drainage pipes 2 do not interfere with each other, and at least one end of each drainage pipe 2 is connected to a drain outlet 114 to discharge the upper layer of clear liquid collected in the drainage pipe 2. It should be noted that there can be one or multiple drain outlets 114; that is, multiple drainage pipes 2 can discharge through one drain outlet 114, or each drainage pipe 2 can be provided with a corresponding drain outlet 114 to meet different drainage needs.

[0048] In one embodiment, multiple drain pipes 2 are interconnected, and at least one drain pipe 2 is connected to a drain outlet 114 to discharge the upper clear liquid collected in the multiple drain pipes 2, thereby improving drainage efficiency and ensuring balanced flow in each pipe during drainage, thus avoiding pipe blockage.

[0049] like Figure 1 As shown, there are two drain pipes 2, which are perpendicular to each other and connected to each other. At least one end of the drain pipe 2 is connected to the drain outlet 114, or each drain pipe 2 can be connected to the drain outlet 114. When the intersection of the two or more drain pipes 2 is located at the center of the separation zone 11, the drain pipe 2 can be provided with a clearance hole for the fixing member 31 to pass through, thereby ensuring the stability of the structure and the effectiveness of the drainage function.

[0050] The drainage pipe 2 in this embodiment of the invention is flexibly designed and can be adjusted according to the actual shape of the tank 1 and usage requirements to optimize drainage and ensure rapid discharge of the upper clear liquid. Overall, it can significantly improve the drainage efficiency of the sewage treatment facility and reduce the difficulty of subsequent treatment caused by poor drainage.

[0051] In this embodiment of the invention, a cover plate 4 is also provided between the sedimentation zone 12 and the separation zone 11. The cover plate 4 is installed on the drainage assembly 3 via a mounting member 5, such as the bottom of the drainage member 32. The cover plate 4 is disposed within the sedimentation zone 12, separating the sedimentation zone 12 and the separation zone 11. In one embodiment, the cover plate 4 is placed at the boundary between the separation zone 11 and the sedimentation zone 12, such as... Figure 2 and Figure 3 As shown, the cross-sectional area of ​​the cover plate 4 is smaller than that of the sedimentation zone 12, meaning there is a gap between the outer periphery of the cover plate 4 and the inner wall of the sedimentation zone 12, forming a fluid channel for the flow of particulate matter. Under the action of gravity and centrifugal force, the particles gradually move along the fluid channel, eventually entering the sedimentation zone 12 and achieving separation. The cover plate 4 can prevent particles that have entered the sedimentation zone 12 from being carried out of the sedimentation zone 12 by the water flow, thereby further ensuring the particle retention rate and reducing the possibility of resuspension.

[0052] Furthermore, the addition of the cover plate 4 helps reduce the water flow velocity in the sedimentation zone 12, enhancing the sedimentation effect and improving the overall treatment capacity of the system. This invention, by optimizing the shape and layout of the cover plate 4, can further improve sedimentation efficiency and meet different water quality and treatment needs. In practical applications, this design ensures the stability and reliability of the sedimentation process, greatly enhancing equipment performance and providing a more efficient water treatment solution. Overall, the introduction of the cover plate 4 effectively improves the operating conditions of the sedimentation zone 12, providing a strong guarantee for the efficient separation and retention of particulate matter.

[0053] In this embodiment of the invention, the separation zone 11 includes a separation section 111 and a transition section 112. The transition section 112 is located between the separation section 111 and the sedimentation zone 12, serving as a connection and transition. The cross-sectional area of ​​the transition section 112 gradually decreases from the bottom surface of the separation section 111 to the top surface of the sedimentation zone 12, facilitating the movement of particles along the transition section 112 to the sedimentation zone 12 and improving separation efficiency.

[0054] Specifically, the cross-sectional area of ​​the transition section 112 gradually decreases, causing the fluid velocity to increase as it passes through this region. This increases the centrifugal force and gravity acting on the particles, making it easier for them to overcome the buoyancy of the fluid and settle downwards into the sedimentation zone 12. This optimizes the fluid flow path, reduces the residence time of particles in the separation section 111, and helps to improve the particle separation rate. In addition, the reduced-size structure of the transition section 112 also effectively reduces the formation of flow turbulence, lowering the risk of particle resuspension during the flow process.

[0055] This invention is applicable to rural sewage purification, initial rainwater treatment, and pretreatment in sewage treatment plants, and is particularly suitable for fluids with high impact loads.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A wastewater separation device, characterized in that, include: The tank body includes a separation zone and a sedimentation zone that are interconnected. The sedimentation zone is located below the separation zone. The side wall of the separation zone is provided with a tangential inlet for feeding wastewater into the separation zone. A drain pipe is provided at the top of the separation zone, with both ends of the drain pipe connected to the inner wall of the separation zone, and a water inlet hole provided on the outer periphery of the drain pipe. The sidewall of the separation zone is provided with a drain outlet, and at least one end of the drain pipe is connected to the drain outlet.

2. The wastewater separation equipment according to claim 1, characterized in that, There are multiple tangential inlets, which are spaced apart along the height direction of the separation zone.

3. The wastewater separation equipment according to claim 1, characterized in that, There are multiple tangential inlets, which are spirally spaced along the axis of the separation zone.

4. The wastewater separation equipment according to claim 1, characterized in that, It also includes a drainage component, which is located within the separation zone.

5. The wastewater separation equipment according to claim 4, characterized in that, The drainage assembly includes a fixing member and a drainage member. The fixing member is coaxially arranged with the separation area, and the drainage member is arranged along the outer periphery of the fixing member.

6. The wastewater separation equipment according to claim 5, characterized in that, There are multiple drainage elements, which are spaced apart along the height direction of the fixing element, and the height of at least one drainage element is the same as the height of one of the tangential inlets.

7. The wastewater separation equipment according to claim 5, characterized in that, The top of the drainage component is connected to the outer wall of the fixing component, and the cross-sectional area of ​​the drainage component gradually increases from the top to the bottom.

8. The wastewater separation equipment according to claim 1, characterized in that, There are multiple drain pipes, and at least one end of each drain pipe is connected to the drain outlet; Alternatively, multiple drain pipes may be interconnected, and at least one drain pipe may be connected to the drain outlet.

9. The wastewater separation equipment according to claim 4, characterized in that, It also includes a cover plate and a mounting component. The cover plate is mounted on the drainage assembly via the mounting component. The cover plate is placed in the sedimentation zone. There is a gap between the outer periphery of the cover plate and the inner wall of the sedimentation zone to form a fluid channel.

10. The wastewater separation equipment according to claim 1, characterized in that, The separation zone includes a separation section and a transition section. The transition section is located between the separation section and the sedimentation zone, and the cross-sectional area of ​​the transition section gradually decreases from the bottom surface of the separation section to the top surface of the sedimentation zone.

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