Sludge cleaning device for river sewage treatment
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
- Publication Date
- 2021-04-20
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Abstract
Description
technical field
[0001] The invention belongs to the field of sludge cleaning devices, in particular to a sludge cleaning device for river sewage treatment. Background technique
[0002] With the continuous development of industry and production, more and more factories have sprung up. Many companies choose the factory site in the suburbs near the river because of the cheap land price and the convenient discharge environment of the treated waste gas and wastewater. However, some of them are not good. Enterprises and companies will discharge untreated or treated wastewater that has not reached the standard into rivers for economic benefits. There are still a large number of organic pollutants and heavy metal pollutants in untreated wastewater. These pollutants are difficult to degrade and have relatively high toxicity. If it is large, it will not only cause a large number of algae plants to multiply on the river, but also cause the oxygen content in the river to drop, which wi...