Vortex mixer for three phases

A mixer and three-phase technology, applied in chemical instruments and methods, flotation water/sewage treatment, water/sewage treatment, etc., can solve the problems of low floc formation efficiency, uneven mixing of bubbles, etc., and reduce equipment investment and running cost effects

Pending Publication Date: 2019-09-17
WUHAN INSTITUTE OF TECHNOLOGY
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  • Abstract
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  • Application Information

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Problems solved by technology

The vortex three-phase mixer is mainly used in the air flotation water purification device, but the ex

Method used

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  • Vortex mixer for three phases
  • Vortex mixer for three phases
  • Vortex mixer for three phases

Examples

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Embodiment

[0031] During wastewater operation, use a high-pressure water inlet pump to flow the sewage from the sewage delivery pipe through the water inlet 4 into the annular channel 3 of the three-phase mixer, and form a vortex therein. Then, the sewage is dispersed through the through hole 8 under the action of water pressure, and is divided into fine streams and flows into the mixing chamber 7 . At the same time, the compressed air is delivered to the mixing chamber 7 through the air inlet 5, where it is directly dissolved in the influent sewage. During the whole process, the chemical agent is directly added to the sewage through the dosing port 10, and enters the mixing chamber 7 along with the sewage, where the three-phase mixing of the chemical agent, the polluted particles, water and gas is completed. Since there is an included angle between the axis of the through hole 8 and the tangent of the inner cylinder, a vortex will be formed when the nozzle enters the mixing chamber. At...

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Abstract

The invention provides a vortex mixer for three phases including sewage, air and a chemical agent. The mixer comprises a main body, the main body is formed by embedding an inner cylinder with two sealed ends into an outer shell with two sealed ends, wherein the inner cylinder and the outer shell are respectively arranged vertically, an annular passage is formed between the inner side of the outer shell and the outer side of the inner cylinder, and the upper part of the side wall of the outer shell is provided with a water inlet communicating with the annular passage; the upper end of the main body is provided with an air inlet, the lower end is provided with a water outlet, and the air inlet and the water outlet respectively communicate with a mixing chamber in the inner cylinder; and through holes communicating with annular passage and the mixing chamber are uniformly distributed in the side wall of the inner cylinder. According to the vortex mixer having a unique structure for the three phases including the sewage, the chemical agent and the air provided by the invention, a water flow automatically forms a vortex, the vortex is dispersed and sufficiently mixed with the air in the inner chamber under the action of the through holes, so that the mixing efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of waste water treatment, and in particular relates to a vortex three-phase mixer. Background technique [0002] There are many types of oily wastewater, and the pollutants contained are also relatively complex, and the components vary greatly. Oily wastewater containing surfactants is one of the most difficult types of oily wastewater systems to treat. [0003] Air flotation water purification refers to trying to introduce or generate a large number of fine air bubbles in the water to make them adhere to the impurity flocs, resulting in a state of density lower than that of water, and rely on buoyancy to make them float to the water surface, thereby achieving solid-liquid separation. The vortex three-phase mixer is mainly used in the air flotation water purification device, but the existing vortex three-phase mixer often has uneven bubble mixing and low floc formation efficiency. Contents of the inventio...

Claims

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Application Information

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IPC IPC(8): C02F1/24C02F1/52
CPCC02F1/24C02F1/5281
Inventor 喻九阳孟观林汪威林纬徐建民郑小涛马琳伟
Owner WUHAN INSTITUTE OF TECHNOLOGY
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