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Energy-saving dissolved air flotation device and system

An air-dissolving and energy-saving technology, applied in chemical instruments and methods, flotation water/sewage treatment, water/sewage treatment, etc., can solve problems such as limitations, and achieve the effect of increasing the amount of bubbles and small volume

Pending Publication Date: 2021-03-26
浙江帕尔环境科技有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

The dissolved air flotation technology currently used in the market mainly relies on increasing the dissolved air pressure to increase the amount of dissolved air. The water produced by air flotation needs to be pressurized to the dissolved air pressure. This is most of the energy consumption of the air flotation process, and it also makes the air flotation process usually It is 2-3 times of the energy consumption of the precipitation process, so that the application and popularization of air flotation is limited due to energy consumption

Method used

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  • Energy-saving dissolved air flotation device and system
  • Energy-saving dissolved air flotation device and system
  • Energy-saving dissolved air flotation device and system

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Embodiment Construction

[0032] Refer to attached figure 1 , 4 . The dissolved air flotation system includes a flocculation device 1 and a dissolved air flotation tank 2 . The dissolved air flotation tank 2 is equipped with a slag scraper 21, an inflow chamber 22, a separation chamber 23, a scum tank 24, and a water collection pipe 25; the flocculation device 1 is equipped with a flocculant dosing device 11, a mixer 12, and a flocculation reaction chamber 13 ; the flocculation reaction chamber 13 communicates with the inflow chamber 22 , the upper part of the inflow chamber 22 communicates with the separation chamber 23 , and the lower part of the separation chamber 23 communicates with the produced water collection pipe 25 .

[0033] The energy-saving dissolved air type air flotation device provided by the present invention comprises a dissolved air tank 6 and an air compressor 8. The dissolved air tank 6 is a high-pressure dissolved air. Compressed gas is injected into the gas tank 6 for dissolv...

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Abstract

The invention provides an energy-saving dissolved air flotation device and air flotation system. The device comprise a dissolved air tank, an air compressor, a dissolved air water conveying pipeline,an air-liquid conveying pipeline and a bubble releaser, which form a dissolved air loop and a bubble releasing loop. The device and the system have the technical characteristics of energy saving, high-efficiency gas dissolving and convenient gas filling.

Description

technical field [0001] The invention relates to an energy-saving dissolved air type air flotation device and system. Background technique [0002] Such as Figure 4 As shown, in the current dissolved air type air flotation system, in order to enhance the air flotation effect, part of the air flotation produced water is pressurized and dissolved in air and then returns to the inlet. The return flow usually accounts for 10-50% of the air flotation inlet water flow, and the pressure is About 0.5-0.6MPa. The dissolved air flotation technology currently used in the market mainly relies on increasing the dissolved air pressure to increase the amount of dissolved air. The water produced by air flotation needs to be pressurized to the dissolved air pressure. This is most of the energy consumption of the air flotation process, and it also makes the air flotation process usually It is 2-3 times of the energy consumption of the precipitation process, so that the application and popula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/24
CPCC02F1/24C02F2201/002
Inventor 张希建陈杭英张言陈文斌翁加明楼康康
Owner 浙江帕尔环境科技有限公司
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