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Spiral-flow biological aerated filter for industrial wastewater treatment

A biological aerated filter and industrial wastewater technology, which is applied in the direction of processing wastewater treatment, aerobic process treatment, biological water/sewage treatment, etc., can solve the problems of reducing the filtration efficiency of biological filters and shorten the time of backwashing , Increase the flushing area and improve the flushing effect

Pending Publication Date: 2021-12-31
郭万良
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The biological aerated filter is a kind of equipment that filters industrial wastewater through the biofilm between the fillers. After a long time of filtration, the fillers will be filled with impurities in the wastewater, so the fillers inside the equipment are cleaned by the backwashing device. Backwashing is performed to improve the processing capacity of the filler, but when the equipment is used to treat wastewater from a paper mill, the wastewater contains a large amount of paper wadding, which is intercepted by the filler after the initial filtration of the filter filler. After a long period of filtration, the paper wadding fibers will be entangled together to wrap the filler, making it difficult for the backwash device to wash the paper wadding away from the filler, reducing the gap where the filler needs to drop straight down, and increasing the number of backwashing , reducing the filtration efficiency of the biofilter

Method used

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  • Spiral-flow biological aerated filter for industrial wastewater treatment
  • Spiral-flow biological aerated filter for industrial wastewater treatment
  • Spiral-flow biological aerated filter for industrial wastewater treatment

Examples

Experimental program
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Effect test

Embodiment 1

[0028] as attached figure 1 to attach Figure 7 Shown:

[0029] The present invention provides a swirl biological aerated filter for industrial wastewater treatment, the structure of which includes a water inlet pump 1, a biological filter 2, and a ventilation filter 3, the rear side of the water inlet pump 1 is bonded to the outside of the biological filter 2, The lower end of the ventilation filter 3 is embedded and connected with the upper end of the biological filter 2, and the biological filter 2 includes a filter box 21, an observation window 22, and a water inlet pipe 23, and the upper end of the filter box 21 is embedded with the outer side of the observation window 22. The upper end of the water inlet pipe 23 is embedded and connected with the left end of the middle part of the filter box body 21.

[0030] Wherein, the filter box 21 includes a casing 211, a sewage outlet 212, a filter element 213, and an aeration pipe 214. The inner side of the upper left end of the...

Embodiment 2

[0038] as attached Figure 8 to attach Figure 9 Shown:

[0039] Wherein, the backwash pipeline 13b includes a fixed ring b1, a rotating ring b2, a rotating cylinder b3, and a fixed ring b4, the right side of the fixed ring b1 is embedded and connected to the left side of the rotating ring b2, and the right side of the rotating ring b2 is connected to the left side of the rotating ring b2. The left side of the rotating cylinder b3 is welded and connected, and the left side of the fixed ring b4 is embedded and connected with the right side of the rotating ring b2. The number of the rotating rings b2 is two, and they are symmetrically distributed around the rotating cylinder b3, so that the rotating cylinder The b3 can be rotated by the rotating ring b2, which increases the washing area of ​​the filling material a2 by the rotating cylinder b3.

[0040] Wherein, the rotating cylinder b3 includes a rotating fan b31, a cylinder wall b32, and an injection port b33. The outer side ...

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Abstract

The invention discloses a spiral-flow biological aerated filter for industrial wastewater treatment, which structurally comprises a water inlet pump, a biological filter and a ventilation filter. The rear side of the water inlet pump is bonded with the outer side of the biological filter. The lower end of the ventilation filter is fixedly connected with the upper end of the biological filter in an embedded mode. The biological filter comprises a filter box, an observation window and a water inlet pipe. The upper end of the filter box is fixedly connected with the outer side of the observation window in an embedded mode. A rotator is impacted and driven by entering waste water to rotate when the waste water is filtered, fluctuating blocks at the bottom fluctuate under the influence of rotation of the rotator, and a contact rod can disturb the filler, so that paper wadding is broken through continuous friction of the filler between partition plates, the paper wadding is prevented from being wrapped on the outer side of the filler, and the washing effect of the backwashing process is improved. A rotating cylinder rotates through rotating rings fixed through a fixing ring under the impact force of water, then water in the rotating cylinder is sprayed out from a spraying opening in the cylinder wall under the rotation of a rotating fan, the washing area of the water on the filler is increased, and the backwashing time is shortened.

Description

technical field [0001] The invention belongs to the field of industrial wastewater treatment, and more specifically relates to a cyclone aerated biological filter for industrial wastewater treatment. Background technique [0002] The biological aerated filter is a kind of equipment that filters industrial wastewater through the biofilm between the fillers. After a long time of filtration, the fillers will be filled with impurities in the wastewater, so the fillers inside the equipment are cleaned by the backwashing device. Backwashing is performed to improve the processing capacity of the filler, but when the equipment is used to treat wastewater from a paper mill, the wastewater contains a large amount of paper wadding, which is intercepted by the filler after the initial filtration of the filter filler. After a long period of filtration, the paper wadding fibers will be entangled together to wrap the filler, making it difficult for the backwash device to wash the paper wad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/02C02F103/28
CPCC02F3/02C02F2103/28C02F2203/006C02F2303/14C02F2303/16Y02W10/10
Inventor 郭万良
Owner 郭万良