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Anti-clogging filter head with no handle applied to water treatment biological filter tank

A biological filter and anti-clogging technology, applied in the field of water treatment, can solve the problems of decreased flow capacity, easy blockage of air distribution holes and air distribution joints, increased loss of filter water head, etc., and achieve the effect of easy maintenance

Active Publication Date: 2017-07-25
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the filter head of the biological filter is easy to breed biofilm, not only the gap of the filter cap and the air distribution hole and the air distribution seam of the long handle are easily blocked, but also the inside of the filter handle with an inner diameter of about 20mm is often blocked due to the growth of organisms, which increases the filtration capacity. Head loss affects the uniformity of water distribution in the entire filter, and the flow capacity decreases

Method used

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  • Anti-clogging filter head with no handle applied to water treatment biological filter tank
  • Anti-clogging filter head with no handle applied to water treatment biological filter tank
  • Anti-clogging filter head with no handle applied to water treatment biological filter tank

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Embodiment Construction

[0032] In order to better understand the present invention, the present invention will be further described below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0033] Such as Figure 1 ~ Figure 4 As shown, the anti-clogging sessile filter head used in the water treatment biological filter includes an upper filter cap 1, a pre-embedded seat 2, a lower filter cap 3 and a self-cleaning bead 4; the pre-embedded seat 2 is fixed on the filter plate of the filter 11. The upper filter cap 1 is threadedly connected to the pre-embedded seat 2; the lower filter cap 3 is flexibly connected to the pre-embedded seat 2; multiple self-cleaning beads 4 are placed in the pre-embedded seat 2 between the upper filter cap 1 and the lower filter cap 2 In the cylindrical cavity of the embedded seat 2, the diameter of the cylindrical cavity in the embedded seat 2 is 45-50 mm, and the height is consistent with the thickness of th...

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Abstract

The invention discloses an anti-clogging filter head with no handle applied to a water treatment biological filter tank. The anti-clogging filter head with no handle comprises an upper filter cap, a pre-embedded base, a lower filter cap and self-cleaning balls, wherein the pre-embedded base is fixed on a filter plate of the filter tank; the upper filter cap is in threaded connection with the pre-embedded base; the lower filter cap is movably connected with the pre-embedded base; the self-cleaning balls adopt spherical shale ceramisites with diameters of phi 6mm-phi8 mm; the density of water-soaking particle of the spherical shale ceramisites is 0.95 + / -0.5g / cm<3>; and the particles are in a lightly floating state in water. The self-cleaning balls are arranged in a cylindrical cavity of a diameter of 45-50 mm in the pre-embedded base; when gas-water back washing is performed on the filter tank, the self-cleaning balls form resistance water distribution; and meanwhile, friction is fluidized to automatically clean the inner cavity of the filter head, so that attached aquatic organisms are prevented from affecting overflowing. During gas flushing, a gas distributing device is utilized for uniformly distributing air to the bottom of the filter plate, and gas is uniformly introduced in the neighborhood of the pre-embedded base and a gap in the bottom of the lower filter cap; and a single-hole membrane aeration tube of a biological aerated filter also can be mounted below the filter plate.

Description

technical field [0001] The invention relates to a filter head, in particular to an anti-blocking sessile filter head for evenly distributing water to a water treatment biological filter tank, and belongs to the field of water treatment. Background technique [0002] Filters used for water treatment often use filter heads and filter plates. The filter material is laid on the filter plate to form a filter bed, and multiple filter heads are evenly arranged throughout the filter plate to collect water flowing through the filter bed, or to collect water from the filter bed. The backwash air and water under the plate are evenly distributed to the filter bed. [0003] The filter head generally includes a filter cap, a pre-embedded seat and a filter handle. There are several gaps distributed on the filter cap, the gap width is about 0.5mm ~ 2mm, which are used to permeate water and prevent the leakage of filter material; the pre-buried seat is poured in the filter plate, and is thr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/02
CPCC02F3/02C02F2203/006Y02W10/10
Inventor 陆少鸣杨立
Owner SOUTH CHINA UNIV OF TECH
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