MRS water purification equipment for preventing blockage of sludge pipe

CN224901022UActive Publication Date: 2026-10-27GUIZHOU GELIN ECOLOGICAL ENVIRONMENT ENG CO LTD
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Patent Information

Application Number
CN202522645740.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-14
Publication Date
2026-10-27
Estimated Expiration
2035-12-14

AI Technical Summary

Technical Problem

然而,由于污水中的杂质种类复杂、尺寸差异大,部分污垢杂质容易在管道内发生堆积,难以顺利向排污口方向移动,长期积累可能造成过滤效率下降甚至堵塞问题

Benefits of technology

本申请提供的排泥管防堵塞的MRS净水设备,通过设置螺旋排泥机构,利用螺旋件在排泥管内的转动,带动螺旋排料筋对管道内的杂质进行搅动和推送,有效防止杂质在管道内堆积,确保排泥顺畅,显著提升了排泥稳定性和系统可靠性,尤其适用于杂质含量高、水质波动大的污水处理环境,为工业废水、生活污水等领域的净化处理提供了更高效的解决方案。

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Abstract

The application discloses a kind of MRS water purification equipment of sludge discharge pipe anti-blocking, including water purification tank, water inlet pipe, sludge discharge pipe, multiple water distribution pipes and spiral sludge discharge mechanism.Water inlet pipe and sludge discharge pipe are partially located in filter layer, partially extend water purification tank, sludge discharge pipe position is lower than water inlet pipe, each water distribution pipe is set in filter layer, water distribution pipe is located between water inlet pipe and sludge discharge pipe, and water distribution pipe two ends are respectively connected water inlet pipe and sludge discharge pipe, and multiple water leakage holes are set on the pipe wall of water distribution pipe.Spiral sludge discharge mechanism includes spiral piece, spiral piece is at least partially located in sludge discharge pipe, spiral piece is rotatably arranged in sludge discharge pipe, and spiral piece includes rod body and spiral discharge rib arranged on rod body.The MRS water purification equipment of the application is provided with spiral sludge discharge mechanism, utilizes the rotation of spiral piece in sludge discharge pipe, drives spiral discharge rib to agitate and push the impurities in pipeline, effectively prevents the impurities from accumulating in pipeline, ensures that sludge is discharged smoothly, significantly improves sludge stability and system reliability.
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Description

Technical Field

[0001] This application relates to the field of wastewater treatment technology, and in particular to an MRS water purification device for preventing sludge discharge pipe from clogging. Background Technology

[0002] MRS (Microbial High-Efficiency Water Purification) technology is a novel wastewater treatment process that utilizes a bioreactor system constructed by combining microbial communities with sand to achieve highly efficient purification. Its core advantages include an eco-friendly design, low energy consumption, and ease of maintenance. The treated water meets the national Class A discharge standard. MRS technology uses microbial communities (such as aerobic and anaerobic bacteria) combined with sand to form a multi-layered bioreactor system. Pollutants are decomposed through microbial metabolism, and combined with plant-assisted purification, highly efficient decomposition is achieved.

[0003] MRS water purification systems typically consist of a tank and a multi-layered purification structure inside. From top to bottom, the purification layers include a planting layer, a filtration layer, a ventilation layer, a purification layer, and a collection layer. The filtration layer contains a distribution pipe, one end of which connects to the inlet pipe, and the other end to a sludge discharge pipe. The sludge discharge pipe is partially located within the filtration layer and partially extends out of the tank. After wastewater enters the distribution pipe from the inlet pipe, the liquid seeps out, while sludge and impurities are trapped in the pipe and eventually discharged periodically through the sludge discharge pipe and the drain outlet. However, due to the complexity and wide size variations of impurities in the wastewater, some dirt and impurities tend to accumulate inside the pipes, making it difficult for them to move smoothly towards the drain outlet. Long-term accumulation can lead to decreased filtration efficiency or even blockage.

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

[0005] To solve one of the above-mentioned technical problems, this utility model provides an MRS water purification device with anti-clogging sludge discharge pipe.

[0006] The present invention adopts the following technical solution: An MRS water purification device with anti-clogging sludge discharge pipe includes: A water purification tank has a cavity, in which a planting layer, a filter layer, a purification layer and a water collection layer are arranged sequentially from top to bottom. The planting layer, filter layer, purification layer and water collection layer are all arranged in the cavity, and are arranged sequentially from the top to the bottom of the tank. A water inlet pipe, part of which is located in the filter layer and part of which extends out of the water purification tank; A sludge discharge pipe, part of which is located in the filter layer and part of which extends out of the water purification tank, is positioned lower than the water inlet pipe; Multiple water distribution pipes are provided, each of which is disposed in the filter layer. The water distribution pipe is located between the water inlet pipe and the sludge discharge pipe, and both ends of the water distribution pipe are respectively connected to the water inlet pipe and the sludge discharge pipe. Multiple water leakage holes are provided on the pipe wall of the water distribution pipe. A spiral sludge discharge mechanism includes a spiral component, which is at least partially located inside the sludge discharge pipe. The spiral component is rotatably disposed in the sludge discharge pipe and includes a rod body and spiral discharge ribs disposed on the rod body.

[0007] Optionally, the spiral sludge discharge mechanism includes a driving component; The driving component is located on the outside of the water purification tank, and the driving component and the screw component are connected in a transmission connection to drive the screw component to rotate; The driving component is a crank handle, or the driving component includes a motor.

[0008] Optionally, the sludge discharge pipe is installed through the water purification tank; Both ends of the sludge discharge pipe extend out of the water purification tank; The driving component is located at one end of the mud discharge pipe along its length, and a mud discharge port is provided at the end of the mud discharge pipe opposite to the driving component.

[0009] Optionally, the MRS water purification equipment with anti-clogging sludge discharge pipe includes a spray mechanism; The sludge discharge pipe is equipped with a nozzle; The nozzle is connected to the inner cavity of the sludge discharge pipe; The water spraying mechanism includes a water spray pipe and a water pump, wherein the water spray pipe is connected to the nozzle and the water pump is connected to the water spray pipe.

[0010] Optionally, a plurality of nozzles are provided on the sludge discharge pipe, and each nozzle is arranged sequentially at intervals along the circumference of the sludge discharge pipe; The water spray pipe includes a main pipe and multiple branch pipes connected to the main pipe, and each branch pipe is connected to a corresponding nozzle. The water pump is connected to the main pipe.

[0011] Optionally, the nozzle is located outside the water purification tank and between the drive and the water purification tank.

[0012] Optionally, the nozzle includes an external connector and an internal nozzle; The external connector is located on the outer wall of the sludge discharge pipe; The internal nozzle is located inside the sludge discharge pipe, and the internal nozzle extends and bends away from the drive member. The external connector is connected to the internal nozzle, and the external connector is used to connect the branch pipe of the water spray pipe.

[0013] Optionally, the MRS water purification equipment with anti-clogging sludge discharge pipe includes a receiving hopper, which is detachably connected to the water purification tank. The receiving hopper has a material chamber, an inlet, and a discharge outlet; Both the inlet and outlet are connected to the material chamber; The end of the sludge discharge pipe facing away from the drive unit extends through the inlet into the material chamber, and the discharge port is connected to a sewage discharge pipe.

[0014] Optionally, the MRS water purification equipment with sludge discharge pipe anti-clogging includes a drain pipe; The drain pipe is partially located in the water collection layer and partially extends out of the water purification tank; The drain pipe is connected to the spray pipe.

[0015] Optionally, the sludge discharge pipe anti-clogging MRS water purification equipment includes at least two sludge discharge pipes; The sludge discharge pipes are spaced apart; Each sludge discharge pipe is connected to a different water distribution pipe; Each of the aforementioned sludge discharge pipes is equipped with a spiral sludge discharge mechanism.

[0016] By sampling the above-mentioned technical solutions, this application has the following beneficial effects: The MRS water purification equipment for preventing sludge discharge pipe blockage provided in this application, by setting up a spiral sludge discharge mechanism, uses the rotation of the spiral component in the sludge discharge pipe to drive the spiral discharge ribs to stir and push the impurities in the pipe, effectively preventing the accumulation of impurities in the pipe, ensuring smooth sludge discharge, significantly improving sludge discharge stability and system reliability, and is especially suitable for sewage treatment environments with high impurity content and large water quality fluctuations, providing a more efficient solution for the purification treatment of industrial wastewater, domestic sewage and other fields.

[0017] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0018] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments and descriptions of the present invention are used to explain the present invention, but do not constitute an undue limitation of the present invention. Obviously, the drawings described below are merely some embodiments; those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings: Figure 1 This shows a cross-sectional view of an MRS water purification device with anti-clogging sludge discharge pipe provided in an embodiment of the present disclosure; Figure 2This is a top view showing the location distribution of the inlet pipe, sludge discharge pipe, and water purification tank of the MRS water purification device with anti-clogging sludge discharge pipe provided in an embodiment of this disclosure (the planting layer, filter layer, purification layer, and water collection layer are hidden in the figure). Figure 3 This diagram illustrates the structural relationship between the sludge discharge pipe and the spiral sludge discharge mechanism of the MRS water purification equipment with anti-clogging sludge discharge pipe provided in an embodiment of the present disclosure.

[0019] In the diagram: 1. Water purification tank, 11. Planting layer, 12. Filter layer, 13. Purification layer, 14. Water collection layer, 2. Water inlet pipe, 3. Sludge discharge pipe, 31. Sludge discharge port, 4. Water distribution pipe, 51. Spiral component, 511. Rod body, 512. Spiral discharge rib, 53. Drive component, 6. Water spraying mechanism, 61. Nozzle, 61. External connector, 611. Internal nozzle, 612. Water spraying pipe, 62. Main pipe, 621. Branch pipe, 622. Water pump, 63. Material receiving bin, 7. Sewage discharge pipe, 8. Drainage pipe, 9.

[0020] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0022] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", etc., 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 this utility model and simplifying the description, and do not indicate or imply that the device or component 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 this utility model.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" 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 this utility model based on the specific circumstances.

[0024] like Figures 1 to 3As shown in the figure, this application provides an MRS water purification device with anti-clogging sludge discharge pipe, including a water purification tank 1, an inlet pipe 2, a sludge discharge pipe 3, multiple water distribution pipes 4, and a spiral sludge discharge mechanism. The water purification tank 1 has a cavity, in which a planting layer 11, a filter layer 12, a purification layer 13, and a water collection layer 14 are arranged sequentially from top to bottom. The planting layer 11, filter layer 12, purification layer 13, and water collection layer 14 are all disposed in the cavity, and are arranged sequentially from the top to the bottom of the tank.

[0025] The inlet pipe 2 is partially located in the filter layer 12 and partially extends out of the purified water tank 1. The sludge discharge pipe 3 is partially located in the filter layer 12 and partially extends out of the purified water tank 1. The sludge discharge pipe 3 is positioned lower than the inlet pipe 2. Each of the water distribution pipes 4 is located in the filter layer 12, between the inlet pipe 2 and the sludge discharge pipe 3, and both ends of the water distribution pipe 4 are connected to the inlet pipe 2 and the sludge discharge pipe 3, respectively. Multiple drainage holes are provided on the wall of the water distribution pipe 4. The spiral sludge discharge mechanism includes a spiral component 51, which is at least partially located inside the sludge discharge pipe 3. The spiral component 51 is rotatably disposed in the sludge discharge pipe 3. The spiral component 51 includes a rod body 511 and spiral discharge ribs 512 disposed on the rod body 511. It should be noted that... Figure 3 The wall of the mud discharge pipe 3 is partially hidden, and the spiral discharge ribs 512 on the spiral component 51 inside can be seen.

[0026] The MRS water purification equipment for preventing clogging of the sludge discharge pipe provided in this application operates as follows: When the equipment is running, wastewater enters the filter layer 12 through the inlet pipe 2 and is filtered through the drainage holes on the distribution pipe 4. The filtered water then enters the filter layer 12, while mud and impurities are trapped and deposited in the sludge discharge pipe 3. At this time, the drive component 53 drives the spiral component 51 to rotate, and the spiral discharge ribs 512 gradually push the deposited impurities towards the sludge discharge port 31 during rotation. Because the spiral component 51 operates continuously, even when encountering impurities with larger particle sizes or stronger viscosity, stable sludge discharge can be achieved through mechanical extrusion and conveying, avoiding the risk of partial blockage of the pipeline.

[0027] Furthermore, the water spray mechanism 6 further enhances the anti-clogging effect. The water pump 63 delivers external water to the nozzle 61 through the spray pipe 62. High-pressure water is sprayed from the internal nozzle 612 in a direction away from the drive component 53, creating a flushing effect on the inner wall of the sludge discharge pipe 3. This design not only helps loosen impurities attached to the pipe wall but also assists in moving impurities when the spiral sludge discharge mechanism is working, forming a dual guarantee of "mechanical pushing + water flushing". Especially after the equipment has been running for a long time, the water spray mechanism 6 can be activated periodically for self-cleaning, significantly reducing the frequency of manual maintenance.

[0028] The MRS water purification equipment for preventing clogging of the sludge discharge pipe provided in this application, by setting up a spiral sludge discharge mechanism, uses the rotation of the spiral component 51 in the sludge discharge pipe 3 to drive the spiral discharge rib 512 to stir and push the impurities in the pipe, effectively preventing the accumulation of impurities in the pipe, ensuring smooth sludge discharge, significantly improving sludge discharge stability and system reliability, and is especially suitable for sewage treatment environments with high impurity content and large water quality fluctuations, providing a more efficient solution for the purification treatment of industrial wastewater, domestic sewage and other fields.

[0029] The spiral component 51 is equipped with spiral discharge ribs 512, which are evenly distributed in a spiral shape on the surface of the spiral component 51. This ensures sufficient agitation of impurities while preventing some impurities from being effectively pushed out due to excessive spacing. When the spiral component 51 rotates, the spiral discharge ribs 512 act like miniature shovels, gradually scooping up the impurities deposited at the bottom of the sludge discharge pipe 3 and pushing them along the inner wall of the pipe towards the sludge discharge port 31, ensuring a continuous and stable sludge discharge process.

[0030] Furthermore, the structure of the screw component 51 can be similar to that of an auger on a screw conveyor. The outer diameter of the screw component 51 is slightly smaller than the inner diameter of the sludge discharge pipe 3, and the screw discharge rib 512 is close to but does not contact the inner wall of the sludge discharge pipe 3. When the screw component 51 is not rotating, it can also prevent sludge backflow.

[0031] In some possible implementations, such as Figure 3 As shown, the spiral sludge discharge mechanism includes a drive component 53, which is located on the outside of the water purification tank 1 and is connected to the spiral component 51 for driving the spiral component 51 to rotate. The drive component 53 can be a crank or include a motor. Positioning the drive component 53 on the outside of the water purification tank facilitates manual control by the operator (e.g., using a crank, not shown in the figure) and also allows for automated drive via a motor (when a motor is used). This design allows the equipment to adapt to different usage scenarios and operational needs. For example, in situations requiring flexible adjustment of the sludge discharge speed, the operator can directly control the rotation speed of the spiral component 51 using a crank. In large-scale wastewater treatment plants and other applications requiring long-term stable operation, a motor drive can be used to achieve automated control and continuous sludge discharge, improving treatment efficiency. Simultaneously, the drive component 53's location on the outside of the water purification tank 1 avoids direct contact with wastewater, reducing equipment failure rates and extending service life.

[0032] In some possible implementations, such as Figure 2As shown, the sludge discharge pipe 3 penetrates the purified water tank 1. Both ends of the sludge discharge pipe 3 extend out of the purified water tank 1. The drive component 53 is located at one end of the sludge discharge pipe 3 along its length, and a sludge discharge port 31 is provided at the end of the sludge discharge pipe 3 opposite to the drive component 53. This through-type design of the sludge discharge pipe 3 reduces bends and dead angles, making the sludge discharge process smoother. Impurities can be directly discharged from the sludge discharge port 31, reducing residue inside the tank. At the same time, the drive component 53 and the sludge discharge port 31 are located at opposite ends of the sludge discharge pipe 3, avoiding interference from the drive component 53 with the sludge discharge from the sludge discharge port 31, ensuring the stability and continuity of sludge discharge. In addition, this layout also facilitates the maintenance and repair of the sludge discharge pipe 3. When the sludge discharge pipe 3 becomes blocked or has other malfunctions, it can be easily inspected and dealt with from both ends, improving the maintainability of the equipment.

[0033] In some possible implementations, the MRS water purification equipment for preventing clogging of the sludge discharge pipe also includes a water spraying mechanism 6. A nozzle 61 is installed on the sludge discharge pipe 3, and the nozzle 61 communicates with the inner cavity of the sludge discharge pipe 3. The water spraying mechanism 6 includes a water spraying pipe 62 and a water pump 63. The water spraying pipe 62 is connected to the nozzle 61, and the water pump 63 is connected to the water spraying pipe 62. When the water spraying mechanism 6 is working, the water pump 63 pressurizes water from an external water source and delivers it to the nozzle 61 through the water spraying pipe 62. The high-pressure water jet is then sprayed from the nozzle 61 into the inner cavity of the sludge discharge pipe 3. This high-pressure water jet powerfully flushes the inner wall of the sludge discharge pipe 3, dislodging impurities attached to the pipe wall and allowing them to re-participate in the sludge discharge process. Furthermore, the flushing action of the water flow assists the spiral sludge discharge mechanism in better pushing impurities towards the sludge discharge port 31, further enhancing the sludge discharge effect and effectively preventing impurities from accumulating in the sludge discharge pipe 3 and causing blockages, ensuring the continuous and stable operation of the equipment.

[0034] In some possible implementations, the sludge discharge pipe 3 is provided with multiple nozzles 61, which are arranged sequentially at intervals along the circumference of the sludge discharge pipe 3. The water spray pipe 62 includes a main pipe 621 and multiple branch pipes 622 connected to the main pipe 621. Each branch pipe 622 is connected to a corresponding nozzle 61. The water pump 63 is connected to the main pipe 621. The design of multiple nozzles 61 arranged at intervals along the circumference of the sludge discharge pipe 3 can form an all-round, dead-angle-free flushing coverage. When the water pump 63 is started, the water flow is distributed to each branch pipe 622 through the main pipe 621, and finally sprayed synchronously from the nozzles 61 at different angles, ensuring that all areas of the inner wall of the sludge discharge pipe 3 are impacted by a uniform high-pressure water flow.

[0035] In some possible implementations, the nozzle 61 is located on the outside of the water purification tank 1, and between the drive component 53 and the water purification tank 1. This avoids or reduces contact between the nozzle 61 and the sewage, reducing the probability of malfunctions caused by impurities clogging or corrosion. Simultaneously, it facilitates installation and maintenance; operators can inspect or replace the nozzle 61 without entering the water purification tank 1, reducing maintenance difficulty and safety risks. Furthermore, when the spray mechanism 6 is working, high-pressure water is ejected from the nozzle 61 at this location, effectively flushing the inner wall of the sludge discharge pipe 3 without interfering with the normal operation of the drive component 53, ensuring the coordinated working effect of the spiral sludge discharge mechanism and the spray mechanism 6.

[0036] In some possible implementations, such as Figure 3 As shown, the nozzle 61 includes an external connector 611 and an internal nozzle 612. The external connector 611 is located on the outer wall of the sludge discharge pipe 3, and the internal nozzle 612 is located inside the sludge discharge pipe 3, extending in a curved manner away from the drive member 53. The external connector 611 and the internal nozzle 612 are connected, and the external connector 611 is used to connect to the branch pipe 622 of the water spray pipe 62. This nozzle 61 structure design allows the high-pressure water flow to form a specific spray angle when entering the sludge discharge pipe 3. The stable connection between the external connector 611 and the branch pipe 622 of the water spray pipe 62 ensures stable water flow transmission, while the curved extension design of the internal nozzle 612 optimizes the spray direction of the water flow. When the water flow is ejected from the internal nozzle 612, it is sprayed towards the sludge discharge port 31, which enhances the flushing effect. At the same time, it better pushes impurities towards the sludge discharge port 31, further enhancing the sludge discharge effect.

[0037] In some possible implementations, the MRS water purification equipment with anti-clogging sludge discharge pipe also includes a receiving chamber 7, which is detachably connected to the water purification tank 1. The receiving chamber 7 has a material cavity, an inlet, and a discharge port, both of which are connected to the material cavity. The end of the sludge discharge pipe 3 facing away from the drive member 53 extends through the inlet into the material cavity, and the discharge port is connected to a sewage discharge pipe 8. When the spiral sludge discharge mechanism pushes impurities to the end of the sludge discharge pipe 3, the impurities fall directly into the material cavity through the inlet for centralized collection, and are then uniformly discharged at an appropriate time and location.

[0038] Furthermore, the material chamber can adopt a conical structure that is wider at the top and narrower at the bottom (not shown in the figure), which can both increase the capacity of a single sludge discharge and prevent impurities from accumulating at the bottom and forming dead corners. The discharge port is located at the lowest point of the material chamber and is connected to an external collection device through a drain pipe 8. When impurities accumulate to a certain amount in the material chamber, they can be quickly discharged by opening the valve on the drain pipe 8. This design makes the entire sludge discharge process a closed-loop system of "push-collect-discharge", effectively preventing impurities from flowing back into the water purification equipment.

[0039] In some possible implementations, such as Figure 1 As shown, the MRS water purification equipment with anti-clogging sludge discharge pipe also includes a drain pipe 9. Part of the drain pipe 9 is located in the water collection layer 14, and part extends out of the water purification tank 1. The drain pipe 9 is connected to the spray pipe 62. The connection design between the drain pipe 9 and the spray pipe 62 enables the recycling of water resources. When the equipment is running, the purified water collected in the water collection layer 14 is partially discharged through the drain pipe 9, and a portion of the purified water is diverted to the spray pipe 62 as the rinsing water source for the spray mechanism 6. This design not only reduces dependence on external water sources and lowers operating costs, but also ensures that the spray mechanism 6 always uses clean water, avoiding clogging of the nozzles 61 or a decrease in rinsing effect due to water quality issues.

[0040] Furthermore, a flow regulating valve can be installed at the connection between the drain pipe 9 and the spray pipe 62 to flexibly adjust the amount of water entering the spray mechanism 6 according to actual needs, which ensures the flushing effect and avoids water waste.

[0041] In some possible implementations, the MRS water purification equipment with anti-clogging sludge discharge pipes includes at least two sludge discharge pipes 3. There is a gap between the two sludge discharge pipes 3, and each sludge discharge pipe 3 is connected to a different water distribution pipe 4. Each sludge discharge pipe 3 is equipped with a spiral sludge discharge mechanism. The design of multiple sludge discharge pipes 3 significantly improves the sludge discharge efficiency and processing capacity of the equipment.

[0042] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. An MRS water purification device with anti-clogging sludge discharge pipe, characterized in that, include: A water purification tank has a cavity, in which a planting layer, a filter layer, a purification layer and a water collection layer are arranged sequentially from top to bottom. The planting layer, filter layer, purification layer and water collection layer are all arranged in the cavity, and are arranged sequentially from the top to the bottom of the tank. A water inlet pipe, part of which is located in the filter layer and part of which extends out of the water purification tank; A sludge discharge pipe, part of which is located in the filter layer and part of which extends out of the water purification tank, is positioned lower than the water inlet pipe; Multiple water distribution pipes are provided, each of which is disposed in the filter layer. The water distribution pipe is located between the water inlet pipe and the sludge discharge pipe, and both ends of the water distribution pipe are respectively connected to the water inlet pipe and the sludge discharge pipe. Multiple water leakage holes are provided on the pipe wall of the water distribution pipe. A spiral sludge discharge mechanism includes a spiral component, which is at least partially located inside the sludge discharge pipe. The spiral component is rotatably disposed in the sludge discharge pipe and includes a rod body and spiral discharge ribs disposed on the rod body.

2. The MRS water purification equipment for preventing sludge discharge pipe blockage according to claim 1, characterized in that, The spiral sludge discharge mechanism includes a driving component; The driving component is located on the outside of the water purification tank, and the driving component and the screw component are connected in a transmission connection to drive the screw component to rotate; The driving component is a crank handle, or the driving component includes a motor.

3. The MRS water purification equipment for preventing sludge discharge pipe blockage according to claim 2, characterized in that, The sludge discharge pipe is installed through the water purification tank; Both ends of the sludge discharge pipe extend out of the water purification tank; The driving component is located at one end of the mud discharge pipe along its length, and a mud discharge port is provided at the end of the mud discharge pipe opposite to the driving component.

4. The MRS water purification equipment with anti-clogging sludge discharge pipe according to claim 3, characterized in that, Including water spray mechanism; The sludge discharge pipe is equipped with a nozzle; The nozzle is connected to the inner cavity of the sludge discharge pipe; The water spraying mechanism includes a water spray pipe and a water pump, wherein the water spray pipe is connected to the nozzle and the water pump is connected to the water spray pipe.

5. The MRS water purification equipment for preventing sludge discharge pipe blockage according to claim 4, characterized in that, Multiple nozzles are provided on the sludge discharge pipe, and each nozzle is arranged at intervals along the circumference of the sludge discharge pipe. The water spray pipe includes a main pipe and multiple branch pipes connected to the main pipe, and each branch pipe is connected to a corresponding nozzle. The water pump is connected to the main pipe.

6. The MRS water purification equipment for preventing sludge discharge pipe blockage according to claim 5, characterized in that, The nozzle is located on the outside of the water purification tank, and the nozzle is located between the drive unit and the water purification tank.

7. The MRS water purification equipment for preventing sludge discharge pipe blockage according to claim 6, characterized in that, The nozzle includes an external connector and an internal nozzle; The external connector is located on the outer wall of the sludge discharge pipe; The internal nozzle is located inside the sludge discharge pipe, and the internal nozzle extends and bends away from the drive member. The external connector is connected to the internal nozzle, and the external connector is used to connect the branch pipe of the water spray pipe.

8. The MRS water purification equipment for preventing sludge discharge pipe blockage according to claim 7, characterized in that, Includes a receiving hopper, which is detachably connected to the purified water tank; The receiving hopper has a material chamber, an inlet, and a discharge outlet; Both the inlet and outlet are connected to the material chamber; The end of the sludge discharge pipe facing away from the drive unit extends through the inlet into the material chamber, and the discharge port is connected to a sewage discharge pipe.

9. The MRS water purification equipment with anti-clogging sludge discharge pipe according to claim 4, characterized in that, Including drain pipes; The drain pipe is partially located in the water collection layer and partially extends out of the water purification tank; The drain pipe is connected to the spray pipe.

10. The MRS water purification equipment for preventing sludge discharge pipe blockage according to any one of claims 1-9, characterized in that, Includes at least two sludge discharge pipes; The sludge discharge pipes are spaced apart; Each sludge discharge pipe is connected to a different water distribution pipe; Each of the aforementioned sludge discharge pipes is equipped with a spiral sludge discharge mechanism.