Induction flow velocity primary rain diversion device

Abstract

The invention discloses an induction flow rate initial rain diversion device, which comprises a well body, on which a water inlet pipe and a water outlet pipe are arranged, a filter cartridge is fixed on the upper part of the inner wall of the well body, an isolation base is connected to the bottom of the filter cylinder, and the well below the isolation base is The inner wall encloses the initial rain collection chamber, and the isolation base is provided with a water passage connected with the initial rain collection chamber, and the filter cylinder above the isolation base is fixedly connected with a deflector, and the deflector is provided with a flow rate sensing structure and opened There is a connecting rope through hole, and a connecting rope is connected to the flow velocity sensing structure. One end of the connecting rope is fixedly connected to the flow velocity sensing structure, and the other end is fixedly connected to the sealing ball through the connecting rope through hole, and the sealing ball is sealed and matched with the water passage; The collection chamber is connected with the first rain abandonment flow pipe. The invention relies on the flow rate of the incoming water to determine whether to abandon the flow, the first rain abandons the flow fully, the whole process is hydraulically controlled, no external power is needed, the operation is simple, and it has the advantages of energy saving, durability and not easy to be blocked.

Description

technical field [0001] The invention relates to rainwater recovery and utilization technology, in particular to an induction flow velocity primary rain diversion device. Background technique [0002] With the increase of urban air pollution and ground pollution, the pollution of rainwater runoff is becoming more and more serious, especially the initial rainwater with more pollutants (referred to as initial rain). Numerous studies at home and abroad have shown that the initial rainwater quality of runoff is very poor. The highest value of rain pollutant indicators is much higher than that of typical urban domestic sewage. Therefore, the treatment and disposal of early rain is the key technology of rainwater recycling. If the initial rain is intercepted by the network system, it uses the interception pipe network system to intercept the initial rain to the sewage pipe and send it to the sewage treatment plant for purification treatment. The rainwater pollution in the later per...

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Problems solved by technology

[0002] With the increase of urban air pollution and ground pollution, the pollution of rainwater runoff is becoming more and more serious, especially the initial rainwater with more pollutants (referred to as initial rain). Numerous studies at home and abroad have shown that the initial rainwater quality of runoff is very poor. The highest value of rain pollutant indicators is much higher than that of typical urban domestic sewage. Therefore, the treatment and disposal of early rain is the key technology of rainwater recycling. If the initial rain is intercepted by the network system, it uses the interception pipe network system to intercept the initial rain to the sewage pipe and send it to the sewage treatment plant for purification treatment. The rainwater pollution in the later period of the rainfall is relatively light. After pretreatment, it is directly discharged into the natural environment. However, the current initial rainwater interception facilities have the following disadvantages: 1) The structure of the interception pipe network system is complex, and operation and maintenance are difficult; 2) The equipment is easy to be blocked during the pretreatment of the later rainwater before discharge; 3) Usually, it needs to pass Electric valves and weir gates are used to intercept the flow, which consumes a lot of energy and has a short service life

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