Circulating type aerobe reactor for treating organic waste

Abstract

The disclosed aerobic jet-loop compactreactor (JLCR) for organic sewage treatment comprises an inside-outside jacket jet pipe and a draft tube on bottom, blends all of the jet aeration, biological fluid bed and deep-well aeration, improves the material mixing and transfer, oxygenates the sewage repeatedly, has stable effect with cost less than two thirds of common technique, and has wide application.

Description

technical field [0001] The invention relates to a loop type aerobic bioreactor (aerobic jet-loop compactreactor, JLCR) for treating organic wastewater, which belongs to the technical field of wastewater treatment. Specifically, it is a high-intensity aerobic bioreactor capable of treating high-concentration organic wastewater such as chemical, pharmaceutical, pesticide, printing and dyeing, and biochemical wastewater. Background technique [0002] Since the reform and opening up, my country's economy has achieved unprecedented sustained high-speed growth. However, due to the rapid expansion of resource development and the rapid growth of energy consumption, my country's ecological damage and environmental pollution have reached a very serious level. In order to realize the sustainable development of our country's economy and society, we must resolve the contradiction between development and environmental protection. [0003] At present, due to the rapid increase of populati...

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Problems solved by technology

[0004] Sewage aerobic biological treatment is the main method and common means of wastewater treatment, and it is widely used in the purification and treatment projects of urban sewage and industrial wastewater. These technologies have relatively mature design theory, actual operation management, etc. However, these technologies still have serious defects in terms of mass transfer efficiency, operation management, operating load and energy consumption.

Until now, problems such as high infrastructure investment, high energy consumption in operation, large floor area, and adverse impact on the environment caused by open design of wastewater treatment projects still plague us. Many towns and factories cannot afford to build sewage plants or can afford them. It doesn't work

The reason is that the essence is still the low mass transfer efficiency and unreasonable structure of the existing sewage treatment process and technical facilities: the low mass transfer efficiency makes the sewage stay in the reactor for too long, which greatly increases The design volume of the sewage treatment structure is reduced, resulting in a huge waste of engineering construction investment; the low mass transfer efficiency makes the oxygenation efficiency of the blower and other aeration equipment low, resulting in a huge loss of power consumption, which greatly increases the burden of operating costs; the mass transfer efficiency Low, it is difficult to fully meet the needs of microorganisms in the reactor for oxygen and substrate, resulting in a decrease in microbial activity and affecting the quality of effluent after treatment

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