Anaerobic slurry damping shock-absorption desanding device and method

Abstract

The invention provides an anaerobic slurry damping shock-absorption desanding device and method. The anaerobic slurry damping shock-absorption desanding device comprises a damping shock-absorption tank, a tee joint, a desanding feeding pipeline, a damping desanding tank, a desanding discharging pipeline, a sand discharging screw, a sand discharging pipe and a gravel collecting box; the desanding discharging pipeline is mounted at the top end of the damping desanding tank through a fourth gate valve; and the desanding discharging pipeline is positioned above the damping desanding tank, and is a pipeline which is obliquely arranged upwards. For a biogas slurry circulating system of a vertical anaerobic jar, the invention provides a method for fundamentally reducing vibration of a biogas slurry circulating pipeline, and meanwhile, calcium sandstones such as shells in the biogas slurry can be effectively removed, so that the problem of blockage of the bottom of the vertical anaerobic jar and the problem of vibration of the anaerobic circulating pipeline are fundamentally solved.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to an anaerobic slurry damping, shock absorption and sand removal device and method. Background technique [0002] With the improvement of living standards, the amount of food waste generated has also increased. Improper disposal of food waste has an increasingly serious impact on the environment. Food waste contains organic matter that can be recycled. Under the environment of global energy shortage, the country pays more and more attention to the recycling of food waste. [0003] The recycling of food waste is mainly to extract and use the organic matter in the food waste for anaerobic fermentation to prepare biogas, so as to realize the resource utilization of waste. Among them, anaerobic fermentation is to use anaerobic microorganisms to finally convert biodegradable components in the organic thick slurry mixture into biogas, realize resource utiliz...

AI Technical Summary

Problems solved by technology

[0004] At present, my country's garbage classification is in the initial rising stage. The level of garbage classification in different regions is different, and the level of garbage classification in urban and rural areas is different. Coupled with factors such as advanced technology and equipment, it is impossible to completely extract organic matter from kitchen waste and kitchen waste. Impurities are removed, and the composition of garbage varies greatly depending on the region. For example, the content of seafood shells in southern food waste is high, which eventually leads to high content of shellfish sand and gravel in anaerobic biogas slurry, which is easy to sink to the bottom in vertical anaerobic tanks. and plugged tank bottom

At the same time, the anaerobic cycle uses the plunger pump as the power. Due to the working characteristics of the plunger pump, the biogas slurry forms a pulse-like impact in the circulation pipeline, and the pipeline has large vibrations, thereby reducing the overall service life of the equipment.

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