Combined ammonia nitrogen removal device and control method
A control method and combined technology, applied in the field of environmental engineering, can solve problems such as difficult operation and cumbersome regeneration process, and achieve the effect of increasing the reaction conversion rate
Pending Publication Date: 2016-11-16
LIAONING UNIVERSITY OF TECHNOLOGY
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Problems solved by technology
This method is only suitable for wastewater with low concentration of ammonia nitrogen. For wastewater with high concentration of ammonia nitrogen, it will be difficult to operate due to the cumbersome regeneration process.
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[0039] The present invention will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can implement it with reference to the text of the description.
[0040] It should be understood that terms such as "having", "including" and "including" used herein do not equate the presence or addition of one or more other elements or combinations thereof.
[0041] figure 1 An implementation form according to the present invention is shown. The combined ammonia nitrogen removal device includes: a water storage tank 110, a magnesization reaction tank 120, an alkali addition reaction tank 130, a liquid pump set, an intermediate water tank 150, a stripping tower 160, and a zeolite purification Pool 170.
[0042] The water storage tank 110 is a circular metal water storage tank. A stirring rod is fixed on the inner surface of the upper end cover, and the inner surface is coated with a corrosion-resistant coating. The liquid inlet, the out...
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The invention discloses a combined ammonia nitrogen removal device and a control method. The combined ammonia nitrogen removal device comprises a water storage tank, a magnesiation reaction tank, an alkalifying reaction tank, a middle water tank, an air stripping tower, and a zeolite purification tank, wherein ammonia-nitrogen wastewater and precipitant are fed into the water storage tank, and the water storage tank is used for uniformly mixing the ammonia-nitrogen wastewater and the precipitant; the magnesiation reaction tank is connected with the water storage tank and is used for performing chemical precipitation treatment on the mixing solution of the ammonia-nitrogen wastewater and the precipitant; the alkalifying reaction tank is connected with the magnesiation reaction tank and is used for regulating a pH value of a solution in the magnesiation reaction tank; the middle water tank is connected with the magnesiation reaction tank and is used for conveying the ammonia-nitrogen wastewater after the chemical precipitation treatment and regulates the concentration of the ammonia-nitrogen wastewater; the air stripping tower is connected with the middle water tank and is used for performing air stripping treatment on the ammonia-nitrogen wastewater; the zeolite purification tank is connected with a water outlet of the air stripping tower and is used for adsorbing the ammonia-nitrogen wastewater after the air-stripping treatment. The combined ammonia nitrogen removal device and the control method combine the chemical precipitation method, the air stripping method, and the physical adsorption method, thereby effectively removing ammonia and nitrogen in the wastewater.
Description
Technical field [0001] The invention relates to the field of environmental engineering. More specifically, the present invention relates to a combined ammonia nitrogen removal device and control method. Background technique [0002] Ammonia nitrogen wastewater mainly comes from chemical fertilizers, coking, petrochemicals, pharmaceuticals, food, landfills, etc. The discharge of a large amount of ammonia nitrogen wastewater into the water body not only causes the water body eutrophication, causes the water body black and odor, and makes the water treatment more difficult and costly, even It has a toxic effect on people and organisms, and the discharge into the earth not only pollutes groundwater but also causes damage to crops. Moreover, with the increasingly serious problem of eutrophication of water quality and the deepening of people's understanding of environmental quality, the treatment standards for ammonia nitrogen wastewater in wastewater treatment have become increasingl...
Claims
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Patent Timeline
Login to View More IPC IPC(8): C02F9/04G05B11/42C02F101/16
CPCG05B11/42C02F9/00C02F2301/08C02F2001/007C02F2101/16C02F2201/007C02F2209/06C02F1/5236C02F1/20
Inventor 孙洪军周爱鹏赵丽红曹宾
Owner LIAONING UNIVERSITY OF TECHNOLOGY