Negative-pressure-resistant adsorption filter plate
A technology of adsorption filtration and negative pressure, which is applied in the direction of filtration separation, fixed filter element filter, chemical instrument and method, etc., which can solve the problems of equipment treatment water reduction and flat slag easy to block, etc.
Pending Publication Date: 2020-09-15
JIANGSU ZHAOSHENG ENVIRONMENTAL PROTECTION TECH CO LTD
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Problems solved by technology
[0004] The present invention aims at the disadvantages of the above-mentioned existing flat-surface filter plate that the flat slag is easy to clog during the process of sewage treatment, which leads to a decrease in the amount of water treated by the equipment, and provides a negative-pressure-resistant adsorption filter plate with a simple and reasonable structure.
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Embodiment Construction
[0022] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.
[0023] Such as figure 1 and figure 2 As shown, the anti-negative pressure adsorption filter plate of the present invention is fixed on the frame 6 by a plurality of filter plates 1 through bolt fixing parts 5, thus forming a filter screen assembly 8, and a sealing strip 7 is arranged around the filter screen assembly 8 , The filter screen assembly 8 is located at the lower end of the side facing the water and is provided with a slag lifting plate 4 . Such as Figure 1 to Figure 4 As shown, there are several conical filter holes 3 on the filter plate 1, and the diameter of the filter holes 3 located on the upstream surface is smaller than that located on the reverse surface, so that impurities with larger particles larger than the diameter of the upstream surface will not enter the cone holes to form blockages , the protrusions 2 are ar...
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The invention discloses a negative-pressure-resistant adsorption filter plate. A plurality of filter holes are formed in the filter plate, a plurality of protrusions are arranged in the area, locatedamong the filter holes, of the surface of the filter plate, in the working state, one side of the protrusions of the filter plate is located on the upstream face, and the diameters of the protrusionsare smaller than or equal to the hole diameters of the filter holes. By adopting the technical scheme, the filter plate enters the sewage working surface, the grid slag is enriched on the surface of the filter plate, a large amount of sewage can penetrate through the filter plate from the filter holes, the water passing amount is increased, the protrusions on the surface of the filter plate enablethe grid slag and the filter plate to form a cavity, flat or planar grid slag is not prone to adsorption, the filter plate blocking rate is reduced, the grid slag falls more easily when the filter screen assembly lifts to perform flushing and deslagging, and the sewage treatment efficiency is greatly improved.
Description
technical field [0001] The invention relates to the technical field of sewage purification devices, in particular to an anti-negative pressure adsorption filter plate. Background technique [0002] The filter plate of the existing non-metallic filter plate grid is a porous filter plate, and the shape of a single filter hole generally adopts a circular or quasi-circular through hole. There are mainly two types of filter plates. The first type is a plastic porous filter plate with a mold as the main processing method. The single piece is small in size and fixed by bolts, slots or central shafts. The filter plate is formed by splicing. and filter components. The second type is to use modern processing methods to punch out corresponding filter apertures on plastic plates to form filter orifice plates, and finally use bolts, slots and other fixing methods to splice them into filter screen components. [0003] The plane structure of the existing non-metallic filter plates is gen...
Claims
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IPC IPC(8): B01D29/03B01D29/66
CPCB01D29/03B01D29/66
Inventor 周震球荣杰
Owner JIANGSU ZHAOSHENG ENVIRONMENTAL PROTECTION TECH CO LTD