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A filter tank

A filter tank and filter chamber technology, applied in the field of water treatment, can solve the problem of not having bubble size segmentation, and achieve the effect of ensuring the effect of backwashing, uniform distribution, and improving the effect of backwashing

Active Publication Date: 2008-11-12
ZHEJIANG DEAN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing long-handle filter head is generally a hollow tube with a filter cap on one end, which does not have the function of dividing the size of the air bubbles. Obviously, the smaller the backwash air bubbles, the more uniform the distribution, and the better the washing effect on the filter material. significantly

Method used

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Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0018] Such as figure 1 and figure 2 As shown, the filter tank includes two symmetrically arranged filter chambers 1 separated by double-layer intermediate channels arranged on upper and lower layers, a water inlet tank 2 above the filter chamber 1, and a sunshade covering the filter chamber 1. 12. The filter chamber 1 includes filter material blocking device 3, filter layer 4, filter material supporting device 5 and air-water chamber 6 from top to bottom. The double-layer middle channel is the backwash water distribution device, and the upper layer is the The backwash drainage tank 7 adjacent to the filter material device 3, the lower floor is an air-water distribution channel 8 connected with the air-water chamber 6, and an air distribution hole 8a is arranged on both sides of the middle part of the air-water distribution channel 8, and th...

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Abstract

The invention discloses a filter tank, comprising filter chamber (1), water inlet tank (2) above said chamber and backwash water distributing device on side; said filter chamber includes up and down filtering material fending device (3), filtering layer (4), filtering material carrying device (5) and air-water chamber (6); the upper layer of said backwash water distributing device is backwash discharge tank (7) near to filtering material fending device, and lower layer is air-water water distributing ditch (8) connected to air-water chamber; said filtering material fending device is inclined installed above said filtering layer and extends to edge of backwash discharge tank. The backwash water flows into backwash discharge tank after overflowing from filtering materialfending device, and will not retent on filtering material fending device, which avoids impurity substance settling and clogging on filtering material fending device.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a filter tank. Background technique [0002] Filter tanks play a very important role in urban water supply treatment, industrial water supply treatment, industrial circulating water treatment, sewage treatment and other fields. At present, the most commonly used filter tanks are mostly composed of tank body, filter material filter layer, filter material support device and water distribution device for backwashing filter material. The filter material is generally made of quartz sand, anthracite or fiber filter material. Material, as the patent No. is ZL200510049755.1 (publication number is CN1712096A) Chinese invention patent "a kind of fiber filter pond" just discloses a kind of filter pond that adopts fiber filter material, and it comprises filter chamber, filter chamber top inlet The backwashing water distribution device on the side of the water tank and the filter cha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D24/24B01D24/46
Inventor 俞建德洪积深马立峰王建峰
Owner ZHEJIANG DEAN TECH
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