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Water purification and filtration system capable of reducing backwashing water consumption

A technology of backwashing water and filtration system, applied in the directions of filtration separation, filtration loop, separation method, etc., can solve the problems of poor backwashing effect, large backwashing water consumption, incomplete washing of filter tank, etc., to avoid the quality of effluent. Instability, reducing water consumption, avoiding the effect of incomplete rinsing

Pending Publication Date: 2020-02-21
HUALAN DESIGN GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some existing filters have problems such as large backwash water consumption, incomplete filter flushing, and poor backwash effect

Method used

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  • Water purification and filtration system capable of reducing backwashing water consumption
  • Water purification and filtration system capable of reducing backwashing water consumption
  • Water purification and filtration system capable of reducing backwashing water consumption

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A water purification and filtration system for reducing backwash water consumption, comprising a filter pool 1, the number of the filter pools 1 is two, and the two filter pools are arranged in parallel; the upper front end of the filter pool 1 is provided with a water inlet pool 9. The lower part of the front end is provided with an empty pool 5; the upper part of the water inlet pool 9 is connected with the water inlet pipe 8 from the sedimentation tank, and the lower part of the water inlet pool 9 is connected with the filter pool 1 through the water inlet butterfly valve 7; the bottom of the empty pool 5 is provided with The drain pipe 12; the bottom of the filter tank 1 is equipped with a filter plate 28 through the filter plate support beam 13 provided with a plurality of uniform water holes 30, and a plurality of short handle filter heads 27 are installed on the filter plate 28, and the top of the filter plate 28 is placed There is a filter material layer 29; a U-...

Embodiment 2

[0032]A water purification and filtration system for reducing backwash water consumption, comprising a filter pool 1, the number of the filter pools 1 is two, and the two filter pools are arranged in parallel; the upper front end of the filter pool 1 is provided with a water inlet pool 9. The lower part of the front end is provided with an empty pool 5; the upper part of the water inlet pool 9 is connected with the water inlet pipe 8 from the sedimentation tank, and the lower part of the water inlet pool 9 is connected with the filter pool 1 through the water inlet butterfly valve 7; the bottom of the empty pool 5 is provided with The drain pipe 12; the bottom of the filter tank 1 is equipped with a filter plate 28 through the filter plate support beam 13 provided with a plurality of uniform water holes 30, and a plurality of short handle filter heads 27 are installed on the filter plate 28, and the top of the filter plate 28 is placed There is a filter material layer 29; a U-s...

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Abstract

A water purification and filtration system capable of reducing backwashing water consumption comprises filter tanks; a water inlet tank and an emptying tank are arranged at the front end of each filter tank; each water inlet tank communicates with a water inlet pipe and communicates with the corresponding filter tank through a water inlet butterfly valve; each emptying tank is provided with a drainage pipe; a filter plate is mounted at the lower part of each filter tank through a filter plate supporting beam, a plurality of short-handle filter heads are mounted on each filter plate, and a filter material layer is placed on each filter plate; a U-shaped drainage channel is arranged above the filter material layers and communicates with the emptying tanks through drainage butterfly valves; awater outlet pipe is arranged below the rear end of each filter tank; a backwashing operation room, a water collecting tank and a water outlet water sealing well are arranged at the rear end of eachfilter tank; each water outlet water sealing well communicates with a water collecting tank; each water collecting tank is provided with a clear water pipe and a backwashing water supply pipe; each water outlet water seal well communicates with the water outlet pipe through a water outlet valve and a water passing pipe; each water outlet pipe is connected with a backwashing water inlet pipe through a water inlet valve; the lower part of each filter tank communicates with a backwashing gas inlet pipe. The system ensures that the water quality is stable and reaches the standard and saves backwashing water at the same time.

Description

technical field [0001] The invention relates to the technical field of water treatment in water plants, in particular to a water purification and filtration system used in small water purification plants to reduce backwash water consumption and improve flushing effect. Background technique [0002] The water production process of a water plant generally consists of flocculation-sedimentation-filtration-disinfection, etc. Among them, the filter is the last process of routine treatment of water purification structures, and the operation of the filter directly affects the quality of the effluent of the water plant. With the promulgation of new standards for drinking water quality by the Ministry of Health and the Ministry of Construction, all domestic water supply companies will improve the quality of effluent water as a top priority. In the purification process of drinking water, filtration is not only to further reduce the turbidity of water, but also to partially remove orga...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D36/02
CPCB01D36/02
Inventor 李满桃潘能志韦舜毅杨洁杨耀宗
Owner HUALAN DESIGN GRP CO LTD
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