Cooling system for organic waste water aerobic biological treatment system
An aerobic biology and treatment system technology, applied in the field of cooling system, can solve the problem of high energy consumption
Inactive Publication Date: 2016-05-18
北京金泽环境能源技术研究股份有限公司
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Problems solved by technology
At present, the cooling method of the mixed liquid in almost all wastewater treatment projects is: the mixed liquid exchanges heat with the cooling water in the cooling tower through a plate heat exchanger, which consumes a lot of energy and is not a fundamental solution to the problem.
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[0041] Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The description of the exemplary embodiments is for the purpose of illustration only, and in no way limits the invention and its application or usage.
[0042] In the aerobic biological treatment system of organic wastewater, especially high-concentration organic wastewater, due to various reasons such as the heat brought in by the aeration pipeline in the biological tank, the heat generated by the biological reaction, the heat generated by the friction of the gas and the mixed liquid, etc., the biological tank The temperature of the mixed liquid is often higher than 38°C, even over 50°C, while the maximum temperature of the biological reaction in the aerobic tank generally cannot be higher than 38°C, so the mixed liquid in the biological pool of the aerobic biological treatment system needs to be cooled. Among the various factors that cause the ...
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Abstract
The invention discloses a cooling system for an organic waste water aerobic biological treatment system. The cooling system comprises an air type row tube cooler, a water type row tube cooler, a cooling tower, an aeration main pipe in-and-out device, a biological pool in-and-out device, a cooling tower water replenishing device, a cooling circulating device and a control device. The air type row tube cooler and the water type row tube cooler are arranged in the cooling tower. When the temperature of gas in the aeration main pipe in-and-out device is larger than an aeration temperature threshold value, the gas in the aeration main pipe in-and-out device is introduced into the air type row tube cooler as gas to be cooled. When the temperature of mixed liquid in the biological pool in-and-out device is larger than a liquid temperature threshold value, the mixed liquid in the biological pool in-and-out device is introduced into the water type row tube cooler as mixed liquid to be cooled, and then the control device controls a fan unit and the cooling circulating device to cool the to-be-cooled gas and / or the to-be-cooled mixed liquid entering the cooling tower. The cooling effect is good, energy consumption is low, and the investment of the cooling system is low.
Description
technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a cooling system for an aerobic biological treatment system of organic wastewater. Background technique [0002] The technical background related to the present invention will be described below, but these descriptions do not necessarily constitute the prior art of the present invention. [0003] In the high-concentration organic wastewater aerobic biological treatment system, the concentration of pollutants in the wastewater is very high, which requires a very large amount of aeration, and the temperature of the air at the outlet of the aeration fan is as high as 70-90°C, due to the heat brought in by the hot air in the biological pool The temperature of the mixed liquid in the biological pool is often higher than 38°C, or even exceeds 50°C, while the maximum temperature of the biological reaction in the aerobic pool is generally not higher than 38°C. ℃, so the mixed l...
Claims
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IPC IPC(8): F28C1/00F28F27/00C02F3/02
CPCC02F3/02C02F2209/02F28C1/00F28C2001/006F28F27/00Y02W10/10
Inventor 张国宇王艳芳任丹孙娜郭鹏辉王柳奎何明成
Owner 北京金泽环境能源技术研究股份有限公司