Rainwater pollutant interception well adopting cyclone separation

Abstract

The invention discloses a rainwater pollutant interception well adopting cyclone separation. The well comprises a shaft and is characterized in that a cyclone unit and a precipitation unit positioned under the cyclone unit are arranged in the shaft; the cyclone unit comprises a cyclone cylinder and an inner cylinder arranged in the cyclone cylinder; outer annular spaces for rainwater to pass through in a cyclone manner are reserved at intervals between the cyclone cylinder and the shaft; a water inlet pipe communicated with the outer annular spaces is connected to the shaft; inner annular spaces for the rainwater to pass through in the cyclone manner are reserved at intervals between the inner cylinder and the cyclone cylinder; a water outlet pipe communicated with the inner annular spaces is connected to the cyclone cylinder; and the precipitation unit comprises a funnel arranged below the inner cylinder and fixed with the inner wall of the shaft, and a storage tank positioned below the funnel. According to the well, the effect of separating pollutants in the rainwater is achieved through centrifugal force generated by a cyclone effect; and the well serving as a rainwater pretreatment device can greatly reduce the pollutants flowing into river channels to ensure the unobstruction of a downstream pipe network.

Description

technical field [0001] The invention belongs to the technical field of rain and sewage separation, and in particular relates to a rainwater interception well using cyclone separation. Background technique [0002] With the rapid development of the economy, the urban population is constantly increasing, which brings a lot of garbage and various pollutants. The pollutants enter the urban municipal or drainage pipes with the rainwater runoff during the rainfall process, and the ends of the pipes often lead to urban rivers. The water system will bring a large amount of pollutants into the receiving water body, resulting in changes or even deterioration of the physical, chemical and microbial characteristics of the water body, which has become the dominant factor affecting water quality today. [0003] Most of the pollutants in the river water body are composed of particulate debris or debris. However, the rainfall runoff flowing into the river carries a large amount of particula...

AI Technical Summary

Problems solved by technology

[0003] Most of the pollutants in the river water body are composed of particulate debris or debris. However, the rainfall runoff flowing into the river carries a large amount of particulate matter, including debris generated by traffic or residents' life, and sediment in the atmosphere, etc., and some particulate matter surface It also adsorbs a large number of toxic substances; in addition, the existence of motor vehicles makes the road runoff carry oily substances, heavy metals, etc. Due to the special physical and chemical properties of these substances, once they enter the rainwater pipes, they are difficult to be intercepted and eventually discharged to rivers cause more serious water pollution

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