Leaching mechanical-biological reactor for treating household garbage

Abstract

The invention relates to a leaching mechanical-biological reactor for treating household garbage. The leaching mechanical-biological reactor comprises a charging hole, a waste gas collecting hole and a liquid inlet box body, wherein a stirring mechanism, a filtering and deslagging mechanism, a grating clearing mechanism and a liquid collecting box are arranged in the box body; the filtering and deslagging mechanism comprises a grating set and a deslagging spiral feeder, wherein the grating set is connected with the box body; a connecting rod and more than three cutter bars are arranged on a blade supporting frame of the grating clearing mechanism; a drive shaft of a power driver arranged on the outer part of the box body extends into the box body and is connected with the blade supporting frame; more than three clearing blades on each cutter bar are arranged in a grating gap corresponding to the grating set and are higher than the end surfaces of grid bars; the liquid collecting box is arranged on the lower part of the box body; and the leaching spiral feeder is arranged on the bottom of the liquid collecting box. The leaching mechanical-biological reactor has a reasonable structure, a small volume, is stable in treatment, and can remove most of inorganic substances which are not easy to biodegrade; furthermore, the operation stability of the device can be improved; and moreover, when the organic substance serous fluid enters an anaerobic reactor, the treatment efficiency of the anaerobic reactor can be ensured.

Description

technical field [0001] The invention relates to a leaching mechanical bioreactor for treating domestic garbage, belonging to the technical field of garbage treatment. Background technique [0002] Landfill and incineration are usually used for domestic waste treatment. Landfill treatment has problems such as large leachate treatment volume, strong odor around the landfill, and large land occupation; if incineration is used, secondary waste will be generated due to insufficient combustion. Oxygens have brought secondary pollution to the atmosphere, and also consume a lot of energy for water evaporation. [0003] With the improvement of living standards, the proportion of organic matter in domestic waste is getting higher and higher, and the above-mentioned problems are also more prominent. The anaerobic digestion treatment process has become one of the mainstream treatment processes for domestic waste with high organic content. After anaerobic treatment, the organic matter i...

AI Technical Summary

Problems solved by technology

[0004] (1) The composition of domestic waste is complex, including a large amount of organic substances such as fibers, shells, glass, plastics, sand and gravel that are not easily degraded by biology. Therefore, it is necessary to remove floating light substances and sand well before entering the anaerobic reactor. Heavy objects such as stones are used to hydrolyze and acidify the organic matter in domestic waste, so separate beating equipment and hydrolysis acidification tank are required. On the one hand, more equipment is used, the area is large, and the treatment time is long, so the During the biodegradation process, the content of residual organic components is unstable, and the efficiency of hydrolysis and acidification is not high, which will affect the stability of the anaerobic reactor and greatly reduce the efficiency of treatment.

[0005] (2) Most of the non-biodegradable inorganic substances cannot be removed, and the organic matter slurry enters the anaerobic reactor, resulting in a large amount of residue after anaerobic digestion, a large amount of sludge after anaerobic digestion, and high treatment costs

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