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Air floatation device

An equipment and air flotation technology, which is applied in the fields of flotation water/sewage treatment, grease/oily substance/float removal device, liquid separation, etc., which can solve the problems of hindering promotion and application, large power consumption, etc., and achieve the improvement effect. , good adsorption, improve the effect of dissolved gas efficiency

Inactive Publication Date: 2012-11-07
BEIJING ZHONGNONG TIANLU MICRO NANO BUBBLE WATER S&T
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to its large power consumption, it hinders its wide-scale promotion and application.

Method used

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Embodiment 1

[0033] An embodiment of the present invention provides an air flotation device, which is a high-efficiency air flotation and oil removal device, and can be applied to the fields of wastewater treatment and flotation, such as figure 1 As shown, the equipment includes: micro-nano bubble generator 2, micro-nano bubble generator 4, gas control valve 7 and air flotation tank 6 (or flotation tank);

[0034] Wherein, the micro-nano bubble generating device is provided with a water inlet pipe 11, an air inlet pipe 12 and an outlet pipe 13, the water inlet pipe 11 is used to introduce water, the air inlet pipe 12 is connected with a gas control valve 7, and the gas control valve 7 is provided for connecting with the gas source. The opening connected by 14 controls the flow of air introduced by the gas control valve 7, and the outlet pipe 13 is connected with the micro-nano bubble generator 4; the micro-nano bubble generator 4 is provided with a water outlet, and the micro-nano bubble ge...

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Abstract

The invention discloses an air floatation device and belongs to the field of water treating equipment. The air floatation device comprises a micro nanometer bubble generation device, a micro nanometer bubble generator, an air control valve and an air floatation tank, wherein a water inlet tube, an air inlet tube and a water outlet tube are arranged on the micro nanometer bubble generation device, the water inlet tube is used for leading in water, the air control valve is connected onto the air inlet tube, an opening for being connected with an air source is arranged on the air control valve, and the water outlet tube is connected with the micro nanometer bubble generator. A water inlet is arranged on the micro nanometer bubble generator which is arranged in the air floatation tank. The air floatation device is a forcing dissolved gas air floatation device, uses the micro nanometer bubble generator to produce small bubble water and improves air dissolution efficiency. Simultaneously produced small bubbles have negative charge, have good adsorption effect on greasy dirt and particles and greatly improve air floatation effect. The whole device does not need to increase extra operating cost, and the air floatation device is a revolutionary improvement compared with a traditional air floatation method.

Description

technical field [0001] The invention relates to the field of water treatment and circular economy, in particular to a new type of high-efficiency air flotation equipment that can be used in the water treatment process of petroleum wastewater, kitchen wastewater, oily sewage and other air flotation to remove oil or particulate matter. Background technique [0002] At present, the air flotation method is mostly used to treat oily wastewater, and the air flotation method includes the following types: [0003] (1) Pressurized dissolved air flotation method: [0004] It is the most widely used at home and abroad, and almost all refineries use this method to treat emulsified oil in wastewater and obtain better treatment results. The oil content of the effluent can be below 10-25mg / L. The pressurized dissolved air flotation method is to dissolve the air in the waste water to a saturated state under pressurized conditions, and then suddenly reduce it to normal pressure. At this ti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/24C02F1/40
Inventor 吴迪金强张天柱赵咏梅
Owner BEIJING ZHONGNONG TIANLU MICRO NANO BUBBLE WATER S&T
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