Ecological sludge treatment system

Abstract

An ecological sludge treatment system is characterized by comprising the following processing steps: collecting fresh sludge, placing the sludge in air for aerobic digestion, putting the sludge subjected to aerobic digestion into sealed equipment for anaerobic composting, putting the treated sludge into an integrated ecological sludge treatment device, pouring earthworms into the integrated ecological sludge treatment device, conducting earthworm, earthworm cast and sludge separation on the sludge fermented by the earthworms, conducting secondary fermentation and airing on the earthworm cast and the sludge into an organic fertilizer, airing the cleaned earthworms, and draining water on the earthworms. Through the addition of the earthworms into the sludge, the sludge degradation capability can be improved, poisonous substances in the sludge are absorbed and digested by the earthworms, and the generated earthworm cast can continuously ferment the sludge, so that the content of beneficial bacteria in the sludge is increased, and the sludge is fermented into the organic fertilizer.

Description

technical field [0001] The invention relates to a sludge treatment system, in particular to a sludge ecological treatment system. Background technique [0002] At present, many water treatment plants need to carry out wastewater treatment. Wastewater contains a large amount of sludge. When treating wastewater, sludge often needs to be precipitated. These precipitated sludge contain a large amount of harmful substances and water. Many water treatment plants The sludge is treated by burial, which causes soil pollution. The place where the sludge is buried is often smelly, and there is no way to grow food crops around it, resulting in a large area of ​​land being wasted and left unused. , also brought an impact on the local groundwater. The harmful substances in the sludge will seep into the groundwater, and the harmful substances may be exposed to people, which affects the health of the surrounding residents and the surrounding ecological environment, which is not conducive to...

AI Technical Summary

Problems solved by technology

[0002] At present, many water treatment plants need to carry out wastewater treatment. Wastewater contains a large amount of sludge. When treating wastewater, sludge often needs to be precipitated. These precipitated sludge contain a large amount of harmful substances and water. Many water treatment plants The sludge is treated by burial, which causes soil pollution. The place where the sludge is buried is often smelly, and there is no way to grow food crops around it, resulting in a large area of ​​land being wasted and left unused. , also brought an impact on the local groundwater. The harmful substances in the sludge will seep into the groundwater, and the harmful substances may be exposed to people, which affects the health of the surrounding residents and the surrounding ecological environment, which is not conducive to environmental protection

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