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An intermittent air flotation water purification equipment

A water purification equipment and air flotation technology, which is applied in flotation water/sewage treatment, water treatment parameter control, water/sludge/sewage treatment, etc., and can solve problems such as complex structure, high maintenance and operation requirements

Active Publication Date: 2021-05-25
TIANJIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the structure of the traditional dissolved air flotation system is relatively complex, and the requirements for maintenance and operation are relatively high

Method used

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  • An intermittent air flotation water purification equipment
  • An intermittent air flotation water purification equipment

Examples

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Embodiment Construction

[0017] One example is listed below to illustrate the effects of the present invention, but the scope of claims of the present invention is not limited thereto.

[0018] Such as figure 1 As shown, an intermittent air flotation water purification equipment includes an air compressor 1, a dissolved air tank 2, a circulating water pump 3, a pressure sensor 4, a nozzle 5, an air release device 6, an air flotation column 7, an agitator 8, and a stirring paddle 9. The first water pump 10, the second water pump 16, the first liquid level sensor T1, the second liquid level sensor T2, the third liquid level sensor T3, the first solenoid valve V1, the second solenoid valve V2, and the third solenoid valve V3 , fourth solenoid valve V4, fifth solenoid valve V5, sixth solenoid valve V6, seventh solenoid valve V7, eighth solenoid valve V8, first metering pump 19, second metering pump 20, coagulant tank 21, flocculation Agent tank 22 and automatic control device. The stirring paddle 9 is p...

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Abstract

The invention provides an intermittent air flotation water purification device, which is used for treating suspended substances in water. The equipment consists of air compressor, dissolved air tank, circulating water pump, pressure sensor, nozzle, degasser, air flotation column, agitator, stirring paddle, water pump, liquid level sensor, solenoid valve, metering pump, coagulant tank, It is composed of flocculant tank and automatic control device. It integrates stirring and air flotation, which reduces the equipment footprint. At the same time, the weak swirl formed in the air flotation column promotes the reverse diffusion and mixing of dissolved air water and water to be treated, prolonging the contact time between air bubbles and particles. Improved processing efficiency. It has the characteristics of strong adaptability, compact structure, easy maintenance and good treatment effect.

Description

technical field [0001] The invention relates to an air flotation water purification device, in particular to an intermittent water purification device based on dissolved air flotation technology. Background technique [0002] Dissolved air flotation technology (Dissolved air flotation, DAF) is a solid-liquid separation technology, using a large number of micro-bubbles to adhere to suspended solids in water, forming bubble-floc aggregates with a specific gravity smaller than water and floating to the water surface, so as to achieve liquid The purpose of solid separation (water purification). It has the characteristics of high processing efficiency and fast start-up, and is often used in primary or tertiary processing. [0003] For water quality with large flow and low load, the dissolved air flotation system with continuous operation has great advantages. However, for water quality with small flow and medium-to-high load or with large load fluctuations, the treatment effici...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/24C02F1/52
CPCC02F1/24C02F1/52C02F2209/005C02F2209/03C02F2209/42C02F2209/44
Inventor 张文晖翁良宇
Owner TIANJIN UNIV OF SCI & TECH
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