Crossflow type air flotation device based on electrocoagulation
A cross-flow, electrocoagulation technology, applied in flotation water/sewage treatment, water/sewage treatment, water/sludge/sewage treatment, etc., can solve the problem of high operating cost, achieve high treatment efficiency, no chemical residue, The effect of saving operating costs
Inactive Publication Date: 2011-01-26
江苏新龙鼎环保成套工程有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to solve the problem that the existing cross-flow air flotation device needs to invest a large amount of chemicals in the water treatment process to improve the treatment effect, resulting in high operating costs, and to design a device that can achieve the purpose of removing suspended impurities without adding chemicals Cross-flow air flotation device based on electrocoagulation
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[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0015] like figure 2 shown.
[0016] A cross-flow air flotation device based on electrocoagulation, which includes an air flotation tank 8, the air flotation tank 8 is divided into an air flotation reaction chamber 9, a water collection chamber 10 and a clean water chamber 11 through a partition installed in the pond, and the air flotation reaction chamber 9 The water inlet 1 and the dissolved air water inlet 2 are connected. The lower part of the water collection chamber 10 is provided with a perforated water collection pipe 3. The upper part of the water collection chamber 10 is equipped with a slag scraper 6 and a slag discharge tank 4. The water outlet of the perforated water collection pipe 3 end communicates with the clean water chamber 12, and the top of the clean water chamber 12 is provided with a water outlet 5, and in the air flotation ...
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The invention relates to a crossflow type air flotation device based on electrocoagulation, which comprises an air floating tank (8); the air floating tank (8) is divided into an air floating reaction chamber (9), a water collecting chamber (10) and a clean water chamber (11) by baffles arranged in the air floating tank, wherein the air floating reaction chamber (9) is connected with a water inlet (1) and a dissolved air water inlet (2); the lower part of the water collecting chamber (10) is provided with a perforated collector pipe (3); the water outlet end of the perforated collector pipe (3) is communicated with a clean water chamber (12); and the upper part of the clean water chamber (12) is provided with a water outlet (5). The crossflow type air flotation device is characterized in that an electrical coagulator (7) capable of generating flocculant by electrolysis is arranged on the dissolved air water inlet (2) side in the air floating reaction chamber. In the invention, aluminium hydroxide generated by utilizing an electrolytic principle is used for substituting for flocculant, the crossflow type air flotation device has the advantages of low cost, easy realization, operation cost saving of more than 60%, simple structure, high processing efficiency, and no medicament residue.
Description
technical field [0001] The invention relates to a water treatment device, in particular to a sewage treatment device with a specific gravity of suspended matter in water of about 1, in particular to a cross-flow air flotation device based on electrocoagulation. Background technique [0002] As we all know, air flotation equipment is a commonly used water treatment device for various water treatment processes. It is ideal for water purification with a specific gravity of suspended solids around 1. The structure of traditional air flotation equipment is as follows: figure 1 As shown, it includes an air flotation tank. A dosing device is installed at the water inlet 1 of the air flotation tank. The air flotation reaction chamber of the air flotation tank is connected with the dissolved air water inlet 2. The air flotation equipment mainly uses pressure water and pressure air. Fully mix in the gas-dissolving cylinder, and then suddenly depressurize and release. Numerous tiny bu...
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IPC IPC(8): C02F1/463C02F1/465
Inventor 王晓东陈东升姚奋洪杨俊杰蒋亚辉
Owner 江苏新龙鼎环保成套工程有限公司