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Unified air flotation

Unified air flotation

Country/Region china
Company Yixing Aoerwei Environmental Protection Co., Ltd
Categories Chemical Dosing Equipment
Update 2017-05-27 16:53:41
ICP License Issued by the Chinese Ministry
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Unified air flotation

advantage

"YF unified gas tank device", and other works, although flotation device is basically the same principle, but there are major changes in the structure, it has the following advantages:

- Integrated Device

Usually flotation systems, they are separate flotation tank, dosing equipment, dissolved gas cylinders, dissolved air pumps, air compressors, water pumps, thus adding to install a long time, inconvenience management, large area. YF gas tank to separate these devices combined organic whole, is generally adjusted sewage PH value, just plug out of the water spout, etc., can be immediately put to use, and does not require a foundation.

- Automatic operation of

YF flotation Once commissioning is completed, normally without expert management, operation can be achieved Automatic management of unmanned state.

Scope

1, electroplating wastewater heavy metals such as chromium, zinc, copper, nickel, lead and total content of 50PPM or less, and removal can be found in about 70%, about 90% of suspended solids removal.

2, printing and dyeing wastewater color removal rate of about 90%, COD removal efficiency of about 60-70%, BOD removal rate of about 50%.

3, slaughter and food tannery wastewater COD removal efficiency of about 70%, about 90% of suspended solids removal.

4, oil refinery wastewater, can be reduced to 10 mg / liter or less, clarified wastewater can reach the degree.

5, the chemical waste water and paint pigment, COD removal efficiency of 74%, about 93% of color removal.

6, White Water fiber recovery rate can reach about 95%, COD removal efficiency of about 86.7%, with fresh water reuse.

7, large pool shower water turbidity can be stabilized at below 10 degrees, the water of bacteria have a greater rate of decline.

8, drinking water and industrial turbidity can be purified to below 5 degrees, while the chroma oxygen consumption with good results.

working principle

After flotation device works is that under certain conditions, a large amount of air dissolved in water to form a dissolved gas and water, as the working medium, by releasing the device sudden decompression, quick release, a large amount of fine bubbles adhered to the through coagulation reaction the wastewater "alum", the so floc floating to remove contaminants in the water quickly, achieve the purpose of water purification.

Process Description

YF flotation divided into four parts:

(A) dosing flocculating section, (ii) an aqueous reflux gas release portion, (c) flotation section, and (iv) the electrical control.

(A) dosing flocculating part:

Sewage from the sewage pump sewage tank pumped to the vortex reactor. Commonly used in sewage pump before dosing. This allows the liquid through the sewage and wastewater pump impeller rotation and fully mixed. Liquid is supplied from Dosing system. Increase over drug sewage into the vortex reactor effluent fully polybrene. (Such as the user needs to be changed to other forms of polybrene)

(B) an aqueous reflux gas release portion:

Flotation effect is good or bad, depending on the gas and releasing an aqueous reflux effect. The flotation using energy-efficient equipment and release of dissolved air. And the compressed air compressor after processing by pressurized pump back water tank sufficiently mixed and dissolved in a solvent to form water containing dissolved gas.Dissolved gas cylinders working pressure is generally 2-3.5kg / cm2.

(C) flotation part:

By dosing coagulation of sewage into the flotation tank, the tank dissolved in water containing dissolved gas in the lower part of the mouth out of the water by the sudden release of dissolved air pressure, air dissolved in the water by the sudden release of pressure and a lot of micro bubble. Microbubbles encountered during ascent sewage has polybrene suspension, microbubbles attached to the suspension to make it go up very quickly, so that the sewage disposed of all the suspended solids floating on top. And then through the upper part of the flotation foam blowing machine to scrape them discharged sludge tank and the bottom of the pool water through the discharge process.

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