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Precise filter

A precision filter and filter area technology, applied in chemical instruments and methods, multi-stage water/sewage treatment, flocculation/sedimentation water/sewage treatment, etc., can solve the problem of stable control of no water, affecting filtration efficiency, and wasting filtration area and other problems, to prevent short circuit and bias current phenomenon, to ensure the effect of treatment, and to facilitate installation and replacement

Inactive Publication Date: 2007-11-07
宜兴市亿达工业成套设备有限公司
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AI Technical Summary

Problems solved by technology

The disadvantages are: 1. The sludge outlet is set on the flat bottom surface of the shell, and the sludge coming down from the settlement area does not have a good sludge collection device, which is not easy to settle down and easily mixed with coagulation water; 2. The water outlet is set on the clear water On one side of the area, there will be short-circuit and partial flow of water flow during operation, which wastes the filtration area and affects the filtration efficiency; 3. The water in and out of the equipment depends entirely on the valves on the water inlet and outlet pipes, and there is no stable control of water volume inside the equipment. It is easy to affect the comprehensive effect of flocculation, sedimentation and filtration during operation; 4. The upper end of the equipment is closed, and after a period of operation, the mesh or filter cap is difficult to maintain and replace

Method used

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Embodiment Construction

[0013] The precision filter includes a shell with an open top, and the shell is composed of mud collection area 1, flocculation area 2, sedimentation area 3, filtration area 4, and clear water area 5 from bottom to top:

[0014] The mud collecting area 1 is a conical mud collecting hopper, a flange cap 11 is placed on the top of the conical mud collecting hopper, and a regular slurry discharge system 15 is installed at the bottom of the conical mud collecting hopper. There is a muddy water inlet 12 connected to the flocculation area at the bucket port, an air inlet pipe 13 is connected to the top opening of the flange cap 11, and a return pipe 14 is also provided in the space of the flange cap of the conical mud collecting bucket;

[0015] The upper part of a central liquid inlet tank 6 is connected to the water inlet pipe 7, the top is connected to the exhaust pipe 8, and the bottom is fixed to the center of the flange cap 11, and a water outlet hole 9 is opened on the side wa...

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Abstract

The precise filter as one water purifying and recovering apparatus includes a casing, and a sludge collecting zone, a flocculating zone, a settling zone, a filtering zone and clear water zone communicated successively from the bottom to top. The sludge collecting zone is one conic sludge collecting bin with one flange cap, and one central liquid tank connected to the water inlet pipe is communicated to the flange cap. The precise filter is one multifunctional solid-liquid separator with integrated settling, filtering, slurry exhausting, washing and other functions, and has high sludge collecting capacity, smooth effluent, high filtering efficiency and other advantages.

Description

technical field [0001] The invention belongs to a water purification and recovery device, in particular to a precision filter integrating flocculation, sedimentation and filtration. Background technique [0002] Chinese patent application 99240225.5 discloses an "integrated sedimentation suspension filtration water purification device". The bottom of the device is a flocculation chamber and an air chamber, and the middle is a sedimentation zone. Suspended particles with a density smaller than that of the filtered liquid. The upper part of the filter material is a grid or filter cap, and the upper part of the grid is a clear water area. The disadvantages are: 1. The sludge outlet is set on the flat bottom surface of the shell, and the sludge coming down from the settlement area does not have a good sludge collection device, which is not easy to settle down and easily mixed with coagulation water; 2. The water outlet is set on the clear water On one side of the area, there wi...

Claims

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Application Information

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IPC IPC(8): C02F9/02C02F1/52
Inventor 吴宁兰吴伯良王景伦
Owner 宜兴市亿达工业成套设备有限公司
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