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Integrated air and water backwash filter head

A backwashing, integrated technology, applied in the field of water treatment, can solve problems such as the inability to ensure the comprehensive cleaning of the filter material, the aging and fracture of the sidewall of the filter cap, and the influence of the filtration water quality, etc., to reduce energy consumption, improve overall strength, and facilitate processing. Effect

Active Publication Date: 2016-07-06
ZHEJIANG LIANCHI WATER EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During the backwashing process, the gas impacts outward from the long slits on the filter cap, and only the side and top of the filter cap are cleaned. There is a cleaning dead angle between the bottom of the filter cap and the filter plate, which affects the quality of filtered water; and after the gases collide with each other , most of them move upwards, that is, it is impossible to ensure the complete cleaning of the filter material, and the filter head is loosened because the gas impacts on the top of the filter head; moreover, due to the impact of the gas from the side to the outside, after long-term use, the side wall of the filter cap will age. Fracture phenomenon, which in turn causes the filter material to enter the filter rod

Method used

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  • Integrated air and water backwash filter head
  • Integrated air and water backwash filter head
  • Integrated air and water backwash filter head

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Embodiment Construction

[0018] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0019] Such as Figure 1-4 As shown, the integrated air-water backwash filter head includes a filter seat 1, a filter cap 2, and a filter rod 3 connected to the filter cap on the lower end surface of the filter plate 11; the filter seat 1 is sleeved on the filter rod 3 In addition, the filter rod 3 is provided with a threaded section 32 that matches the filter seat, and the bottom of the filter rod 3 is provided with a strip-shaped air distribution groove 33 and an air inlet 34; specifically, the filter cap includes a filter cap located on the filter plate 11 The support seat 28 on the upper end surface and the strip filter discs 29 distributed on the support seat, a water fi...

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PUM

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Abstract

The invention discloses an integrated air-water backwashing filter head. The integrated air-water backwashing filter head comprises a filter base, a filter cap and a filter rod, wherein the filter base is arranged at the lower end surface of a filter plate; the filter cap is arranged at the upper end surface of the filter plate; the filter rod is communicated with the filter cap; the filter cap comprises a supporting base on the upper end surface of the filter plate and strip-shaped filter sheets distributed on the supporting base; a water filtering gap is formed between each two adjacent strip-shaped filter sheets; air holes convenient for air to impact the filter plate are formed in the supporting base; the supporting base, the strip-shaped filter sheets and the filter rod are of an integrally formed structure. The air holes are formed in the supporting base, so that air collides the top of the filter cap, then is used for backwashing downwards, and flows to the filter plate through the air holes, and therefore, the gap between the filter plate and the supporting plate is washed very well, and a cleaning dead corner is avoided; the technical requirement on the integrated structure enables the thickness and width of the strip-shaped filter sheets to be increased, so that a rupture phenomenon does not appear after long-term use, and the service life of the integrated air-water backwashing filter head is prolonged.

Description

technical field [0001] The invention belongs to the technical field of water treatment, and in particular relates to an integrated filter head of a water distribution and gas distribution system for a filter pool. Background technique [0002] In order to make the filter tank have an efficient and long-lasting purification function, the smooth and effective backwashing is the most critical link to restore the filterability of the filter head. The process of backwashing is to enter water from the bottom of the filter plate and impact the filter material layer on the filter plate; the curved surface of the filter cap of the backwash filter head is evenly opened with carefully processed long and thin slits, which can prevent the filter material from leaking out, It can also ensure uniform air distribution and water distribution; there is a small hole on the top of the filter rod, and there is an air intake slit near the bottom. After the compressed air enters the space under th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D24/46
Inventor 池万青
Owner ZHEJIANG LIANCHI WATER EQUIP
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