Pump station mud-water separation device

By combining a three-layer filter and a shafted screw conveyor, the pump station mud-water separation device achieves efficient and low-pollution dredging, solving the problems of low efficiency and high pollution of traditional dredging methods. It is suitable for pump stations, streets, roads and other places.

CN223914905UActive Publication Date: 2026-02-17SHANGHAI QIAOZHI TECH CO LTD
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Patent Information

Application Number
CN202520315756.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-02-17
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Traditional pump station dredging methods are inefficient, polluting, and costly, and existing equipment cannot meet the demand for efficient mud-water separation.

Method used

A three-layer filtration system is adopted, including a bar screen filter and two layers of quartz sand filter, combined with a shafted screw conveyor and a backwash pump, to achieve mud-water separation and timely discharge of solids. The purified wastewater is then returned to the deep well.

Benefits of technology

It improves wastewater treatment efficiency, reduces pollution and costs, and has a simple structure, small size, and is easy to move, making it suitable for various working conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a mud-water separation device for a pump station. The mud-water separation device comprises an exhaust port, a water storage tank, a magnetic turning plate liquid level meter, a water inlet III, a filter material tank II, a filter material tank I, a filter material filling port, a mud inlet, a shaft screw conveyor, a grating, a water inlet I, a water outlet I, a water outlet II, a water inlet II, a water outlet III, an electric cabinet, a backwashing pump, a water outlet IV and a water outlet V. Solid substances filtered by the three layers are discharged in time through the shaft screw conveyor and stored in a special recycling bag, the working mode of discharging while sucking is adopted, the sewage treatment efficiency is high, and the sewage treatment effect is good.
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Description

Technical Field

[0001] This utility model relates to the field of mud-water separation technology, specifically to a mud-water separation device for a pumping station. Background Technology

[0002] Urban drainage systems are crucial infrastructure for modern cities, exerting a comprehensive and leading influence on urban economic development. They are the backbone of urban water pollution control, drainage, flood prevention, and disaster relief. With continuous economic and social development, people's demands for building new ecologically civilized cities are constantly increasing, and the problems exposed in the urban drainage sector are becoming increasingly prominent. Poor drainage can, at best, affect residents' daily lives, and at worst, disrupt the normal rhythm of the entire city. However, over time, on the one hand, the health of pipelines in old urban areas is deteriorating, and on the other hand, new urban areas are rapidly expanding, resulting in a rapid increase in the number of drainage pipe networks requiring maintenance. Pumping stations are important nodes in the drainage pipe network, and the quality and efficiency of pumping station dredging play a vital role in ensuring smooth pipe flow.

[0003] Traditional dredging methods involve using sewage pumps to pump the mud-water mixture from deep wells into specialized tank trucks, which then transport it to designated discharge points for disposal. This process is inefficient, highly polluting, and costly. Therefore, developing a mud-water separation device that can replace tank truck transportation is an urgent need for the development of municipal engineering technology and for building modern, civilized cities.

[0004] Patent document CN215352262U discloses an integrated pump station treatment device, including a pump station body, an inlet, a sludge storage tank, a filter screen, a guide plate, a sludge storage pool, a centrifugal pump, a sludge pumping pipe, a sludge conveying pipe, a sewage pump, a water pumping pipe, a water outlet pipe, and a sludge cleaning device. However, this patent cannot completely solve the existing technical problems, nor can it meet the needs of this utility model. Utility Model Content

[0005] In view of the deficiencies in the existing technology, the purpose of this utility model is to provide a pump station mud-water separation device.

[0006] The pump station mud-water separation device provided by this utility model includes: an exhaust port, a water storage tank, a magnetic flap level gauge, a third inlet, a second filter media box, a first filter media box, a filter media filling port, a mud inlet, a shafted screw conveyor, a bar screen, a first inlet, a first outlet, a second outlet, a second inlet, a third outlet, an electrical control box, a backwash pump, a fourth outlet, and a fifth outlet.

[0007] The exhaust port is welded to the water storage tank;

[0008] The magnetic level gauge is fixed to the external bracket of the water storage tank by bolts;

[0009] The three water inlets are welded to the upper part of the water storage tank;

[0010] The filter media boxes are welded inside the water storage tank;

[0011] The filter media box one is connected to the water storage tank and the filter media box two by welding;

[0012] The filter media filling port and the upper part of the water storage tank are connected together by bolts;

[0013] The mud inlet is fixed to the side of the water storage tank by bolts and connected to the suction pipe by a ring clamp.

[0014] The outer casing of the shafted screw conveyor is connected to the bottom of the water storage tank by welding.

[0015] The grille is intermittently welded to the inner wall of the water storage tank.

[0016] The water inlet is welded to the lower part of the filter media box;

[0017] The first drain outlet and the second drain outlet are bolted to the external support of the water storage tank.

[0018] The second water inlet is welded to the upper part of the filter media box;

[0019] The three drain outlets are fixed to the side of the water storage tank with bolts.

[0020] The electrical control box is fixed to the side of the water storage tank by bolts;

[0021] The backwash pump is fixed to a bracket on the side of the water storage tank by bolts;

[0022] The drain outlets four and five are fixed to the side of the water storage tank by welding.

[0023] Preferably, the exhaust port is made of 4-inch carbon steel pipe.

[0024] Preferably, the water storage tank is constructed of 6mm carbon steel welded together and the entire structure is sealed and corrosion-resistant.

[0025] Preferably, the three water inlets are made of 304 stainless steel, and there are a total of 8 inlets, which are evenly arranged and welded to the upper part of the water storage tank.

[0026] The water inlet is made of 4-inch 304 stainless steel pipe, a total of 8, which are evenly arranged and welded to the bottom of the filter media box.

[0027] The second water inlet uses eight 4-inch 304 stainless steel pipes, which are evenly arranged and welded to the upper part of the first filter media box. The water filtered by the first filter media box enters the second filter media box through the pressure difference.

[0028] Preferably, the filter media box is made of 5mm 304 stainless steel and welded together, and the whole box is sealed. The inside of the box is filled with filter media and the top is fitted with a filter screen.

[0029] The filter media box is made of 5mm 304 stainless steel and is welded together. The whole box is sealed. The filter media is installed inside the box and the filter screen is installed on the top.

[0030] Preferably, the mud inlet is made of 4-inch stainless steel pipe.

[0031] Preferably, the shafted screw conveyor uses a 2.2KW AC motor with a voltage of 380V.

[0032] Preferably, the grille has a mesh structure and is made of 304 stainless steel.

[0033] Preferably, both drain outlet one and drain outlet two are made of 4-inch 304 stainless steel pipe.

[0034] The drain outlet three is made of 4-inch 304 stainless steel pipe;

[0035] Both drain outlet four and drain outlet five are made of 3-inch 304 stainless steel pipe.

[0036] Compared with the prior art, the present invention has the following beneficial effects:

[0037] This solution provides a sludge-water separation device for pump stations. The solids filtered through three layers are promptly discharged via a shafted screw conveyor and stored in a dedicated recycling bag. It adopts a simultaneous suction and discharge working mode, resulting in high sewage treatment efficiency and good effect. It is also highly versatile, with a simple structure, small size, and easy mobility, and can meet the sewage treatment needs of all pump stations, streets, roads, and other various working conditions. Attached Figure Description

[0038] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0039] Figure 1 This is a schematic diagram of the mud-water separation device in the pumping station.

[0040] Figure 2 This is a schematic diagram of the mud-water separation device in the pumping station.

[0041] 1-Exhaust port; 2-Water storage tank; 3-Magnetic level gauge; 4-Inlet 3; 5-Filter media box 2; 6-Filter media box 1; 7-Filter media filling port; 8-Sludge inlet; 9-Shaped screw conveyor; 10-Grate; 11-Inlet 1; 12-Drainage port 1; 13-Drainage port 2; 14-Inlet 2; 15-Drainage port 3; 16-Electrical control box; 17-Backwash pump; 18-Drainage port 4; 19-Drainage port 5. Detailed Implementation

[0042] The present invention will now be described in detail with reference to specific embodiments. These embodiments will help those skilled in the art to further understand the present invention, but do not limit the present invention in any way. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all fall within the protection scope of the present invention.

[0043] Example

[0044] This utility model provides a pump station mud-water separation device that uses a three-layer filtration method to treat mud-water mixtures: a bar screen filter and two layers of quartz sand filters. First, the bar screen effectively separates flexible materials such as nylon, plastic bags, stones, and bricks, as well as larger blocky materials from the mud-water. Second, large quartz sand is used as the filter medium to filter large particles of solids from the mud-water. Finally, small quartz sand is used as the filter medium to filter the remaining small particles of solids from the mud-water. This three-layer filtration method effectively intercepts and removes suspended solids, organic matter, colloidal particles, and flocculated objects from the wastewater, ultimately reducing water turbidity and purifying the water quality. The separated water is discharged back into the deep well through the drain outlet.

[0045] Specifically, the pump station mud-water separation device of this scheme consists of an exhaust port 1, a water storage tank 2, a magnetic flap level gauge 3, a third inlet 4, a second filter media box 5, a first filter media box 6, a filter media packing port 7, a mud inlet 8, a shafted screw conveyor 9, a bar screen 10, a first inlet 11, a first outlet 12, a second outlet 13, a second inlet 14, a third outlet 15, an electrical control box 16, a backwash pump 17, a fourth outlet 18, and a fifth outlet 19. Exhaust port 1 uses a 4-inch carbon steel pipe to maintain the pressure balance inside and outside the mud-water separation device, ensuring smoother flow of the mud-water mixture during operation. Exhaust port 1 is welded to water storage tank 2. Water storage tank 2 is constructed of 6mm carbon steel and is entirely sealed for corrosion protection. Magnetic level gauge 3 is used for level measurement and control in the mud-water separation device. Magnetic level gauge 3 is bolted to a pre-installed bracket on the outside of water storage tank 2. Water inlet 3 4 is made of 304 stainless steel, with a total of 8 inlets, evenly arranged and welded to the upper part of water storage tank 2, facilitating the smooth entry of the final filtered water into the water storage tank. Filter media tank 2 5 is constructed of 5mm 304 stainless steel and is entirely sealed. The tank contains filter media, and a filter screen is installed at the top to prevent filter media leakage. This filter media tank 2 5 is welded to the water storage tank. Inside tank 2, the final separation of the mud-water mixture is performed. Filter media tank 6 is constructed of 5mm 304 stainless steel and is fully sealed. The tank contains filter media, with a filter screen at the top to prevent leakage. It is welded to water storage tank 2 and filter media tank 5, enabling secondary separation of the mud-water mixture. Filter media filling port 7 is used for adding and replacing filter media. Long-term use can lead to residue buildup in the filter media, affecting filtration efficiency. Regular replacement of the filter media is necessary. Filter media filling port 7 is bolted to the top of water storage tank 2. The mud inlet 8 is a 4-inch stainless steel pipe, bolted to the side of water storage tank 2 and connected to the suction pipe via a ring clamp. The mud-water mixture enters the mud-water separation device through this inlet. The shafted screw conveyor 9 has a power of 2...A 2KW 380V AC motor is installed, with its casing welded to the bottom of the water storage tank 2 to facilitate the discharge of solids separated from the mud-water mixture. The grid 10, made of 304 stainless steel with a mesh structure, is intermittently welded to the inner wall of the water storage tank 2, effectively separating flexible materials such as plastic bags and nylon, as well as large solid particles such as stones and bricks from the mud-water mixture. Inlet 11 consists of eight 4-inch 304 stainless steel pipes, evenly arranged and welded to the lower part of filter media box 6, allowing water filtered by the grid 10 to smoothly enter the filter media box 6 for secondary filtration through pressure difference. Outlets 12 and 13, both made of 4-inch 304 stainless steel pipes, are bolted to the external support of the water storage tank 2 to promptly discharge small solid particles after secondary filtration. Inlet 14 consists of eight 4-inch 304 stainless steel pipes, evenly arranged and welded to the upper part of filter media box 6. Water filtered through filter media tank 6 flows smoothly into filter media tank 5 via pressure difference for final filtration. Drain outlet 3 (15) uses a 4-inch 304 stainless steel pipe, bolted to the side of water storage tank 2, to discharge the final filtered water back into the well. The electrical control box 16 integrates the electrical control components of the entire mud-water separation device, including seven high-voltage switches and related control, measurement, signal, protection, and regulation equipment, bolted to the side of water storage tank 2. The backwash pump 17 periodically flushes the filter media in filter media tanks 5 and 6, removing impurities and ensuring effective filtration. This backwash pump 17 is bolted to a bracket on the side of water storage tank 2. Drain outlets 4 (18) and 5 (19) both use 3-inch 304 stainless steel pipes to discharge impurities backwashed from filter media tanks 5 and 6, welded to the side of water storage tank 2.

[0046] By activating the electrical control box 16, the exhaust port 1 and the sludge inlet 8 are opened. The mud-water mixture enters the mud-water separation device through the sludge inlet 8. First, the plastic bags, nylon, and other flexible materials, as well as large solid particles such as stones and bricks, are separated from the mud-water mixture by the grid 10. The separated solids are discharged through the sludge outlet of the shafted screw conveyor 9 and stored in a dedicated recycling bag. The mud-water mixture after the first filtration enters the filter media box 6 through the water inlet 11. After filtration by the filter media box 6, smaller particles and suspended solids in the mud-water mixture are separated. The filtered mud-water mixture enters the filter media box 5 through the water inlet 2 14 and is filtered again by the filter media box 5. The filtered mud-water mixture enters the water storage tank 2 through the water inlet 3 4 and is finally discharged through the drain outlet 3 15. A small amount of wastewater in the filter media box 5 and the filter media box 6 can be discharged through the drain outlet 1 12 and the drain outlet 2 13. After repeated use, residual waste will accumulate in the filter media of the mud-water separation device. The filter media in the filter media tank 25 and filter media tank 16 can be repeatedly washed by the backwash pump 17. The wastewater is discharged through the drain outlet 418 and the drain outlet 519.

[0047] In the description of this application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "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 application 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 this application.

[0048] The specific embodiments of this utility model have been described above. It should be understood that this utility model is not limited to the specific embodiments described above, and those skilled in the art can make various changes or modifications within the scope of the claims, which do not affect the substantive content of this utility model. Unless otherwise specified, the embodiments and features described in this application can be arbitrarily combined with each other.

Claims

1. A slurry-water separation device for a pumping station, characterized in that, include: Exhaust port (1), water storage tank (2), magnetic flap level gauge (3), water inlet three (4), filter media box two (5), filter media box one (6), filter media filling port (7), mud inlet (8), shafted screw conveyor (9), bar screen (10), water inlet one (11), drain outlet one (12), drain outlet two (13), water inlet two (14), drain outlet three (15), electrical control box (16), backwash pump (17), drain outlet four (18) and drain outlet five (19); The exhaust port (1) is connected to the water storage tank (2); The magnetic level gauge (3) is fixed to the external bracket of the water storage tank (2) by bolts; The water inlet three (4) is connected to the upper part of the water storage tank (2); The filter media box (5) is connected inside the water storage tank (2); The filter media box 1 (6) is connected to the water storage tank (2) and the filter media box 2 (5); The filter media filling port (7) and the upper part of the water storage tank (2) are connected together by bolts; The mud inlet (8) is fixed to the side of the water storage tank (2) by bolts and is connected to the suction pipe by a ring clamp; The outer casing of the shafted screw conveyor (9) is connected to the bottom of the water storage tank (2); The grille (10) is connected to the inner wall of the water storage tank (2); The water inlet (11) is connected to the lower part of the filter media box (6); The first drain outlet (12) and the second drain outlet (13) are bolted to the external support of the water storage tank (2): The second water inlet (14) is connected to the upper part of the filter media box (6); The drain outlet three (15) is fixed to the side of the water storage tank (2) by bolts; The electrical control box (16) is fixed to the side of the water storage tank (2) by bolts; The backwash pump (17) is fixed to the bracket on the side of the water storage tank (2) by bolts; The drain outlet four (18) and drain outlet five (19) are fixed to the side of the water storage tank (2).

2. The pump station sludge-water separation device according to claim 1, characterized in that, The exhaust port (1) is made of 4-inch carbon steel pipe.

3. The pump station mud-water separation device according to claim 1, characterized in that, The water storage tank (2) is made of 6mm carbon steel and is sealed and corrosion-resistant.

4. The pump station mud-water separation device according to claim 1, characterized in that, The three inlets (4) are made of 304 stainless steel, a total of 8, which are evenly arranged and welded to the upper part of the water storage tank (2); The first inlet (11) is made of 4-inch 304 stainless steel pipe, a total of 8, which are evenly arranged and welded to the lower part of the filter media box (6); The second inlet (14) is made of 4-inch 304 stainless steel pipe, a total of 8, which are evenly arranged and welded to the upper part of the first filter media box (6). The water filtered by the first filter media box (6) enters the second filter media box (5) through the pressure difference.

5. The pump station mud-water separation device according to claim 1, characterized in that, The filter media box (5) is made of 5mm 304 stainless steel and is welded together. The whole box is sealed. The inside of the box is filled with filter media and the top is filled with filter screen. The filter media box (6) is made of 5mm 304 stainless steel and is welded together. The whole box is sealed. The inside of the box is filled with filter media and the top is filled with filter screen.

6. The pump station mud-water separation device according to claim 1, characterized in that, The mud inlet (8) is made of 4-inch stainless steel pipe.

7. The pump station mud-water separation device according to claim 1, characterized in that, The shafted screw conveyor (9) uses a 2.2KW AC motor with a voltage of 380V.

8. The pump station mud-water separation device according to claim 1, characterized in that, The grille (10) adopts a mesh structure and is made of 304 stainless steel.

9. The pump station mud-water separation device according to claim 1, characterized in that, Both the first drain outlet (12) and the second drain outlet (13) are made of 4-inch 304 stainless steel pipes. The drain outlet three (15) is made of 4-inch 304 stainless steel pipe; Both the fourth (18) and the fifth (19) drain outlets are made of 3-inch 304 stainless steel pipes.

Citation Information

Patent Citations

  • Integrated pump station treatment device

    CN215352262U