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Backwash water recovery equipment

A technology for backwashing water and equipment, applied in the field of water treatment, can solve the problems of large floor space and difficult recycling of backwashing wastewater, and achieve the effects of small floor space, increased pretreatment effect, and long cleaning cycle.

Pending Publication Date: 2022-07-22
NAT ENG RES CENT OF URBAN WATER RESOURCE +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a backwash water recovery equipment, which is used to solve the problems of difficult recovery of filter backwash wastewater in the water treatment process of waterworks and large floor space

Method used

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Effect test

Embodiment 1

[0021] A kind of backwash water recovery equipment of the present embodiment, which includes a two-way flow inclined plate sedimentation tank 1, a membrane tank 2, a clean water tank 3, a blower 4, a production water pump 5 and a backwash pump 6;

[0022] The two-way flow inclined plate sedimentation tank 1 is provided with a liquid inlet, the water outlet of the two-way flow inclined plate sedimentation tank 1 is connected with the water inlet of the membrane tank 2 through a pipeline, and the bottom of the two-way flow inclined plate sedimentation tank 1 is provided with a liquid inlet. Mud discharge port; the gas inlet of described membrane pool 2 is communicated with the air outlet of blower 4 through pipelines; the bottom of membrane pool 2 is provided with a mud discharge port and a sewage outlet; the water produced after the filtration of membrane pool 2 passes through the production water pump 5 is pumped into the clean water tank 3; the water outlet of the clean water ...

Embodiment 2

[0026] A kind of backwash water recovery equipment of the present embodiment, which includes a two-way flow inclined plate sedimentation tank 1, a membrane tank 2, a clean water tank 3, a blower 4, a production water pump 5 and a backwash pump 6;

[0027] The two-way flow inclined plate sedimentation tank 1 is provided with a liquid inlet, the water outlet of the two-way flow inclined plate sedimentation tank 1 is connected with the water inlet of the membrane tank 2 through a pipeline, and the bottom of the two-way flow inclined plate sedimentation tank 1 is provided with a liquid inlet. Mud discharge port; the gas inlet of described membrane pool 2 is communicated with the air outlet of blower 4 through pipelines; the bottom of membrane pool 2 is provided with a mud discharge port and a sewage outlet; the water produced after the filtration of membrane pool 2 passes through the production water pump 5 is pumped into the clean water tank 3; the water outlet of the clean water ...

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Abstract

The invention discloses backwashing water recovery equipment, relates to the field of water treatment, and aims to solve the problems that backwashing wastewater of a filter tank is difficult to recover and the occupied area is large in a water treatment process of a waterworks. The equipment comprises a bidirectional flow inclined plate sedimentation tank, a membrane tank, a clear water tank, an air blower, a water producing pump and a backwashing pump, the bidirectional flow inclined plate sedimentation tank is composed of a dosing unit and a sedimentation unit; the membrane pool unit consists of a backwashing water pump, an aeration pump and a separation membrane; the separation membrane mainly adopts a gravity type pollution-resistant ceramic separation membrane. According to the invention, the pretreatment effect can be improved, the membrane pollution is reduced, the cleaning period is prolonged, the ceramic membrane element has a catalytic effect, the cleaning period is long, the water production of equipment is stable, the water yield is large, direct modification can be carried out on the basis of the original waterworks process, the investment cost and the operation cost are low, and the application prospect is wide.

Description

technical field [0001] The invention relates to the field of water treatment, in particular to a backwash water recovery equipment. Background technique [0002] The filter backwash wastewater in the water treatment process of the water plant is the main source of the wastewater in the water plant, accounting for 5% to 10% of the daily water output of the water plant. Due to the gradual increase in the number of water plants and the scale of water production in my country, this part of the water is huge. If it can be recycled and utilized, it will not only save the cost of raw water resources and water delivery projects, but also reduce the environmental pollution caused by wastewater discharge. sustainable development and efficient use. my country is a big water-using country. The annual water supply in my country is as high as 600 billion tons. By promoting backwash water recycling equipment to save water, the water saving can reach up to 18 billion tons to 60 billion tons...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/08C02F1/32C02F1/52C02F1/44
CPCC02F9/00C02F1/32C02F1/52C02F1/44C02F2209/11
Inventor 马军张瑛洁武睿王晶惠程喜全王凯徐美庆朱彦磊高新磊刘鹏程
Owner NAT ENG RES CENT OF URBAN WATER RESOURCE
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