Filter element with raw material supply regulator for hydraulic squeezing
A technology of filter elements and regulators, applied in the fields of filtration and separation, chemical instruments and methods, separation methods, etc.
Inactive Publication Date: 2015-05-20
张民良
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Problems solved by technology
[0008] In the flexible pipe press of the published patent application No. 2010102458340, there are the following problems: the structural design of the permeable plate is not optimized, and the manufacture and installation are relatively complicated
[0010] In the existing public information, we have not found any similar information about the use of hydraulic pressing and flexible tube presses for extruding mud cakes
Method used
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[0070] The filter element of the present invention will be further described below in conjunction with the accompanying drawings.
[0071] exist Figures 1 to 15 , 17 and 20, a general embodiment 1 of the filter element of the present invention and its installation in a flexible tube press is shown.
[0072] exist figure 1 The flexible tube press mainly includes pumping device, filter assembly, pressure-bearing device, dry sludge conveying device, filtrate discharge system, pipeline system and control system, and is integrated into a complete set of mechanical and electrical integration automatic solid-liquid separation comprehensive treatment The pressure-bearing device includes a compression assembly and a pressure-bearing structure; the pressure-bearing structure includes a pressure plate 7, a frame guide rail 3, a frame 1 and a pressure-bearing plate, and the pressure-bearing plate includes an intermediate pressure-bearing plate and a final pressure-bearing plate 2; fi...
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The invention relates to a filter element for discharging mud cakes by virtue of hydraulic squeezing and extrusion for solid-liquid treatment of viscous and fine grained materials. Along the direction of squeezing force, a group of filter elements are clamped in a pressure bearing structure of a flexible pipe squeezer, wherein each filter element comprises an upper flange, a lower flange and a filter pipe unit; the upper flange comprises a raw material inlet, an upper filter chamber sealing structure and a traveling mechanism; each filter element is provided with at least one water permeation plate in a filter chamber, the front and rear surfaces of the water permeation plate are water-permeable filter surfaces, a raw material supply regulator is arranged on the upper flange, and the other end of the raw material inlet is communicated with the filter chamber by virtue of the raw material supply regulator; and the raw material supply regulator comprises at least one regulating valve. According to the filter element disclosed by the invention, because each filter element is provided with the raw material supply regulator, the distribution of raw materials in the filter chamber can be effectively controlled, thin-layer pressure filtration can be more easily met, the retention of the raw materials in the filter chamber can be avoided, and the moisture of filter cakes can be greatly reduced; and compared with a plate-and-frame filter press and a belt filter, the energy consumption of each filter element disclosed by the invention for filter chamber sealing is minimum, and the filter efficiency can be improved.
Description
technical field [0001] The invention relates to a filter element with a feed material regulator for hydraulic pressing for solid-liquid treatment of viscous and fine-grained substances, especially suitable for papermaking wastewater treatment, sludge treatment, river dredging mud treatment, and hydrometallurgy Dehydration in waste water treatment, coal washing waste water treatment and livestock and poultry breeding pollutant treatment. Background technique [0002] The filter element proposed by the present invention is the improvement of the filter element of the flexible pipe press that adopts hydraulic pressing and extruding mud cake that I propose or is used as a general filter element of this type of squeezing device. With a little improvement, it can replace the traditional filter element. The plate and frame filter element of the plate and frame press machine can also replace the diaphragm plate and frame filter element of the plate and frame diaphragm press. [00...
Claims
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IPC IPC(8): B01D25/02B01D25/30
Inventor 张民良
Owner 张民良