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Mechanical stirring type co-coagulation flotation coupled two-layer horizontal sedimentation tank water purifying system and method thereof

A technology of mechanical stirring and copolymerization air flotation, which is applied in the direction of precipitation separation, separation methods, chemical instruments and methods, etc., can solve the problems that the treatment effect is not obvious and the effect is small, so as to improve the collision efficiency and adhesion efficiency and facilitate operation , the effect of reducing water loss

Inactive Publication Date: 2017-06-20
SHANDONG JIANZHU UNIV
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Problems solved by technology

[0005] At the same time, the traditional dissolved air flotation process only introduces air to produce ordinary air microbubbles. Although it has achieved some good results in the treatment of low-temperature, low-turbidity, and high-algae water bodies, compared with water bodies with high organic matter However, the treatment effect is not very obvious, especially in the treatment of water bodies with high concentrations of soluble organic matter, with little effect

Method used

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  • Mechanical stirring type co-coagulation flotation coupled two-layer horizontal sedimentation tank water purifying system and method thereof

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Effect test

Embodiment 1

[0043] A mechanical agitation type copolymerization air flotation coupling double-layer advection sedimentation tank water purification system for treating ordinary reservoir water. Connected treatment system, external ozonation dissolved air flotation device and release device, such as figure 1 Shown:

[0044] (1) Three-stage mechanical stirring copolymerization flocculation tank, including three coagulation chambers, which are coagulation 1 chamber 4, coagulation 2 chamber 5 and coagulation 3 chamber 6, coagulation 1 chamber 4 is equipped with two mechanical shafts 3 Coagulation 2 chamber 5 and coagulation 3 chamber 6 are equipped with a mechanical shaft 3, coagulation 1 chamber 4 is connected with water inlet pipe 1; water inlet pipe 1 is connected with dosing pipe 2, and is in the third-stage mechanical stirring copolymerization flocculation tank access at the lower front end. The installation of the mechanical shaft 3 should follow the following requirements: the top of...

Embodiment 2

[0051] A method for processing common reservoir water using the mechanically agitated copolymerized air flotation coupled double-layer advection sedimentation tank water purification system of Embodiment 1, that is, a method for copolymerizing air flotation coupled advection sedimentation water purification, specifically comprising the following steps:

[0052] 1) The raw water enters the three-stage mechanical agitation copolymerization flocculation tank from the lower end of the coagulation 1 chamber 4 pool body through the water inlet pipe 1, and at the same time, the flocculant is added with the raw water through the dosing pipe 2, and the water flows through the three coagulation tanks of the copolymerization mechanical flocculation tank in turn. The coagulation chamber is fully coagulated under the action of the mechanical shaft 3, and through the baffles set between each coagulation chamber, it prevents the short flow of incoming water and ensures sufficient coagulation. ...

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Abstract

The invention relates to a mechanical stirring type co-coagulation flotation coupled two-layer horizontal sedimentation tank water purifying system and a method thereof. Dissolved air flotation is organically combined with a two-layer horizontal sedimentation tank to form a novel floatation and sedimentation tank. Mechanical flocculation and the dissolved air floatation are organically combined through a co-coagulation flotation technology to form co-coagulation dissolved air floatation in order to enhance the stability of a bubble floc. The air floatation are organically combined with ozone oxidation to realize full contact with polluting substances in water in order to greatly enhance the ozone oxidation effect. Mechanical flocculation, co-coagulation flotation and two-layer horizontal sedimentation are organically combined, so the operation is convenient, and the stable bubble floc is formed while effectively controlling the rotating speed and reducing the water conservancy loss. The method has the advantages of flexible running manner, effective reduction of the running cost, high water quality change adaptability, simple structure, high efficiency, convenience in running, and wide application prospect.

Description

technical field [0001] The invention belongs to the technical field of air flotation water treatment, and relates to a copolymerization air flotation coupling advection sedimentation water purification process and method, in particular to a mechanical stirring type copolymerization air flotation coupling double layer advection sedimentation tank water purification system and method. Background technique [0002] At present, the problem of reservoir water pollution is becoming more and more serious, among which algae pollution is the most serious. At present, the reservoir water tends to show the characteristics of high algae and high organic matter in summer and low temperature and low turbidity in winter. As the degree of eutrophication in the water body increases year by year, the rate of algae proliferation is increasing. Especially in spring and autumn when the temperature changes greatly, algae outbreaks occur from time to time, which poses a great threat to the operati...

Claims

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Application Information

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IPC IPC(8): C02F1/24C02F1/78B01D21/04B01D21/08B01D21/00B01D21/28
CPCB01D21/0015B01D21/0033B01D21/04B01D21/08B01D21/286C02F1/24C02F1/78
Inventor 王永磊王文浩王宁王珊张克峰贾瑞宝宋武昌刘宝震徐学信薛舜许斐
Owner SHANDONG JIANZHU UNIV
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