jet air flotation device

A kind of air flotation and jet technology, which is used in grease/oily substance/float removal devices, flotation water/sewage treatment, separation methods, etc. Fast, increase the liquid inlet area, the effect of uniform oil discharge

Active Publication Date: 2022-07-12
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] One of the purposes of the present invention is to provide a jet air flotation device, so as to improve the problems in the prior art that the jet air flotation equipment requires a high liquid flow rate and a small amount of air flotation gas

Method used

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Embodiment Construction

[0030] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0031] Unless expressly stated otherwise, throughout the specification and claims, the term "comprising" or its conjugations such as "comprising" or "comprising" and the like will be understood to include the stated elements or components, and Other elements or other components are not excluded.

[0032] In this document, for convenience of description, spatially relative terms, such as "below", "below", "under", "above", "above", "over", etc., may be used to describe one element or feature with respect to another Relationship of elements or features in the drawings. It is to be understood that spatially relative terms are intended to encompass different orientations of items in use or operation in addition to the orien...

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Abstract

The invention discloses a jet air flotation device, which comprises: an air flotation chamber, an oil discharge port is arranged on the upper part of the side wall, and a liquid outlet is arranged on the lower part; a stirring chamber is arranged in the air flotation chamber, and the upper end of the stirring chamber is provided with There is a liquid inlet; a stirring device is arranged in the stirring chamber, and the stirring device includes: a rotating shaft, which is a hollow shaft, and the rotating shaft is communicated with the gas source; a plurality of tubular stirring paddles, which are radially outward from the rotating shaft and a plurality of primary jets, the suction ports of which are communicated with the end of the tubular stirring paddle; and a plurality of secondary jets, which are evenly distributed on the outside of the stirring chamber, and the secondary jets connect the stirring chamber with the gas The floating chamber is communicated, and the suction port of the secondary jet is communicated with the gas source. The jet air flotation device of the present invention has the characteristics of jet air flotation, impeller air flotation and dissolved air flotation through internal and external two-stage jets, thereby increasing the liquid flow rate and the air flotation gas volume, thereby enhancing the air flotation capability of the device.

Description

technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a jet air flotation device. Background technique [0002] In the water treatment industry, air flotation equipment is usually used to separate oily or light suspended solids in water. According to different methods of generating bubbles, air flotation treatment technology can be divided into electrolytic coagulation air flotation, dissolved air flotation, impeller air flotation and jet air flotation. The jet air flotation method uses the principle of the jet pump and uses sewage or purified water as the jet liquid. When the liquid is ejected from the nozzle at a high speed, a negative pressure is formed in the suction chamber of the nozzle, the gas is sucked into the suction chamber, and the liquid passes through the mixing section at a high speed. , the gas carried is sheared into fine bubbles, and in the flotation chamber, the bubbles float up and attach to oil drople...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/24C02F1/40
CPCC02F1/24C02F1/40C02F2201/002C02F2201/003
Inventor 程晓东马和旭王雪清马传军陈天佐
Owner CHINA PETROLEUM & CHEM CORP
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