Multi-stage sewage separation device
A mud-water separation and sludge technology, which is applied in the directions of filtration and separation, separation methods, chemical instruments and methods, etc., can solve the problem of increasing the distance of sewage suction vehicles to transport sewage, increasing the water consumption of sewage suction vehicles, changing water time and cost, and affecting suction. The utilization rate and work efficiency of sewage vehicles can improve the filtration capacity and reduce the resistance.
Inactive Publication Date: 2014-12-24
WUHAN UNIV OF SCI & TECH
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Problems solved by technology
This kind of comprehensive sewage suction truck with high-pressure flushing and vacuum flushing functions is easy to use and easy to operate, but this kind of sewage suction truck can only complete a single-cycle operation, that is, when a tank of clean water is used up and a tank of sewage is sucked, it will be exhausted. Can no longer continue to work, you must pour out the sewage in the tank and replace it with clean water before continuing to work
It is very difficult to treat a tank of inhaled sewage. The sewage cannot be directly poured into the sewer, but must be transported to the sewage treatment station for treatment. Most of the sewage treatment stations are located on the edge of the city, which increases the distance for the sewage suction truck to transport sewage and increases the It reduces the water consumption, water change time and cost of the sewage suction truck, and also affects the utilization rate and work efficiency of the sewage suction truck
Method used
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[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, which are not intended to limit the protection scope thereof.
[0017] A multi-stage sewage separation device, its structure is as follows figure 1 and figure 2 As shown, between the front support plate 2 provided with the sludge outlet 16 and the rear support plate 8 provided with the sewage inlet 10, the screw shaft 7 is fixed by the nut 17, and the secondary filter cartridge 5 is fixed by the bolt 9. 15 support; primary filter cartridge 6 is supported by bearing 14, sealing ring 13 and large gear plate 4, driven by transmission 1 with pinion 3.
[0018] Such as figure 1 and figure 2 As shown, the screw shaft 7 is composed of a shaft and a screw blade. The outer diameter of the screw blade is tapered along the axial direction;
[0019] Such as figure 1 and figure 2 As shown, the surface of the primary filter cartridge 6 is conical, wit...
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The invention relates to a multi-stage sewage separation device. The invention adopts the technical scheme that a front supporting plate and a rear supporting plate are fixed together with a spiral shaft through nuts and are fixed together with a secondary filter cartridge through bolts, wherein a sludge outlet is formed in the front supporting plate; a sewage inlet is formed in the rear supporting plate; a primary filter cartridge is supported by a bearing, a sealing ring and a gearwheel disk; gear driving is driven by a speed changer. The inner wall of the conical surface of the primary filter cartridge with filter holes is matched with the spiral shaft to form primary separation; spiral blades are arranged on the outer wall of the conical surface of the primary filter cartridge and are matched with the cylindrical secondary filter cartridge with small filter holes to form secondary separation. The multi-stage sewage separation device is simple in structure and convenient to install; the separated sewage of a sewage suction truck can be recycled; the working efficiency is improved.
Description
technical field [0001] The invention belongs to the field of sewage separation of sewage suction trucks, and in particular relates to a multistage sewage separation device. Background technique [0002] Sewage suction trucks have been widely used in the cleaning and dredging of urban sewer pipes. Modern sewage suction trucks mostly use high-pressure water pumps to push the clear water in the water tank of the sewage suction truck through the nozzle to the sediment in the sewer pipe to loosen the sediment. And mix it with water, and then use the vacuum pump to suck the dirt and sewage washed out of the sewer pipe into the water tank through the water tank. This kind of comprehensive sewage suction truck with high-pressure flushing and vacuum flushing functions is easy to use and easy to operate, but this kind of sewage suction truck can only complete a single-cycle operation, that is, when a tank of clean water is used up and a tank of sewage is sucked, it will be exhausted. ...
Claims
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IPC IPC(8): B01D36/02
Inventor 张洪汛金贵林高俊
Owner WUHAN UNIV OF SCI & TECH