Garbage landfill aerobiotic ecological restoration system and method

Abstract

The invention discloses a garbage landfill aerobiotic ecological restoration system. The system comprises the steps that an air injection subsystem injects air, oxygen or a mixture of the air and theoxygen into a garbage heap body; an air drawing subsystem draws landfill gas in the garbage heap body and feeds the landfill gas into a landfill gas combustion subsystem to be combusted; a leachate drawing regulation and storage subsystem collects and stores garbage leachate in the garbage heap body; a leachate irrigation subsystem draws the garbage leachate and injects the garbage leachate into the garbage heap body again; and a monitoring subsystem monitors the operation condition of the system. According to the system, the aerobic biology reaction treatment technology is taken as a body, the air or oxygen, the leachate and the like are added to a landfill through a controllable manner according to the biology degradation needs of garbage in the landfill, the landfill garbage biology degradation and stability rate is accelerated, leachate reinjection fully utilizes various microorganisms and water, degrading of organic matter in the garbage is accelerated, the treatment cost is reduced, meanwhile, the landfill torch combustion technology is utilized, the landfill gas is treated in a centralized manner, and emission of greenhouse gas is reduced.

Description

technical field [0001] The invention belongs to the technical field of waste landfill management, and in particular relates to an aerobic ecological restoration system and method for a waste landfill. Background technique [0002] The amount of domestic waste generated in our country is huge, and with the continuous acceleration of the urbanization process in our country and the continuous improvement of people's living standards, the output of urban domestic waste has increased sharply. According to the statistics of the National Environmental Protection Agency, the annual output of urban waste in my country was 152 million tons in 2010, and it will reach 210 million tons by 2020, with an annual increase of 8% to 10%. The continuous growth of garbage has brought many problems to urban construction and other aspects. Domestic garbage seems insignificant, but if it is not managed and handled properly, it will undoubtedly have many negative effects, and it has become a bottlen...

AI Technical Summary

Problems solved by technology

However, there are few studies and examples of aerobic ventilation in landfills in my country, and the systems and processes are not perfect. Aerobic treatment is difficult to achieve uniform distribution of air in the garbage dump, and it is still not possible to completely realize the harmless treatment of garbage. Simple disposal after extraction is difficult to ensure that no secondary pollution occurs, and the degree of ventilation during the aerobic process is difficult to control, resulting in low efficiency and increased costs

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