Sealed type air flotation machine
A kind of air flotation machine, sealed technology, applied in the field of air flotation machine, can solve the problem of secondary pollution, etc., to achieve the effect of less gas loss
Inactive Publication Date: 2017-10-13
湖南美奕机电科技有限公司
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Problems solved by technology
Traditional air flotation devices are all open-air installations, and the presence of foul odors and toxic gases can easily cause secondary pollution
Method used
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Embodiment 1
[0024] Such as figure 1 As shown, a sealed air flotation machine provided by the present invention includes an air flotation tank, a slag scraping device 7, a circulating fan 10, a bubble release 9 and a dissolved air system; the air flotation tank is a sealed box structure, and the air flotation tank is provided There are a first partition 5 and a second partition 6, the first partition 5 and the second partition 6 divide the air flotation tank into a contact tank 1, a separation tank 2 and a clean tank 3; the upper part of the separation tank 2 is provided with Scum pool 4.
[0025] The bottom of the separation tank 2 is provided with a clean water pipe 8, which is a tubular structure extending along the length of the separation tank 2. A plurality of small holes are uniformly provided at the bottom of the clean water pipe 8, and one end of the clean water pipe 8 is closed. The other end passes through the second partition 6 to communicate with the clean water tank 3.
[0026] ...
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The invention relates to a sealed type air flotation machine. The sealed type air flotation machine comprises an air floatation tank, a residue scraping device, a circulating blower, a bubble releaser and a gas dissolving system. The air floatation tank is of a sealed tank body structure, and a contact tank, a separation tank, a clean water tank and a scum tank are arranged in the air floatation tank. A clean water pipe is arranged at the bottom of the separation tank and communicates with the clean water tank. The gas dissolving system comprises a reflux pump, a gas dissolving tank and an air compressor, one end of the reflux pump is connected with the clean water tank, the other end of the reflux pump is connected with a water inlet of the gas dissolving tank, a water outlet of the gas dissolving tank communicates with the bubble releaser mounted at the bottom of the contact tank, and a gas inlet of the gas dissolving tank is connected with the air compressor. The circulating blower is connected with the gas dissolving tank and the air floatation tank so as to blow fetid or toxic gases generated inside the air floatation tank into the gas dissolving tank, gas-dissolved water formed again enters the contact tank, and thus, the fetid or toxic gases are not directly exhausted into air, so that no secondary pollution is caused; the gas loss is low and is close to zero loss.
Description
Technical field [0001] The invention relates to the field of sewage treatment equipment, and more specifically to an air flotation machine. Background technique [0002] At present, the pollution caused by industrialization has greatly deteriorated the living environment of mankind. Various water sources are polluted to a certain degree. People use the air flotation process to remove suspended solids, colloids, grease and other impurities in the sewage in the process sections such as tap water pretreatment and municipal sewage upgrading and discharge. [0003] The air flotation process is a method that relies on the formation of tiny bubbles in the water and carries the floccules up to the liquid surface to purify the water. The condition is that the bubbles attached to the particles can form air particles and carry them. The difference in inter-density increases, and the diameter of the gas particles is large, so replacing the original particle density with the gas particle dens...
Claims
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IPC IPC(8): C02F1/24C02F1/40
CPCC02F1/24C02F1/40
Inventor 张艳玲邓梁
Owner 湖南美奕机电科技有限公司