Rainwater collecting device

A rainwater collection device and rainwater technology, applied in water supply devices, drinking water devices, waterway systems, etc., can solve the problems of clean rainwater pollution, pollutant leakage, uncoordinated valve opening and closing process and random fluctuation process of pollutant concentration, etc. , to achieve the effect of improving the collection effect

Inactive Publication Date: 2011-05-18
杨敏
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the prior art, the SS concentration detector installed at the valve detects the concentration value at a point upstream of the valve, without the function of coordinating the opening and closing process of the valve and the random fluctuation process of the pollutant concentration
In actual operation, the conversion valve may perform frequen

Method used

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Example Embodiment

[0022] The present invention will be further described below in conjunction with the drawings and embodiments.

[0023] Such as figure 1 versus figure 2 As shown, the rainwater collection device of the present invention includes a rectangular diversion groove 1 and an over-standard rainwater abandonment opening and closing mechanism arranged on the shell of the rectangular diversion groove 1, and a pollutant concentration detection device is provided in the rectangular diversion groove 1. 3. Excess rainwater abandonment opening and closing mechanism and pollutant concentration detection equipment 3 are connected with a control module 9, and a flow velocity detection device 2 and a water depth detection device 22 connected to the control module 9 are arranged in the rectangular diversion groove 1. The flow velocity detection device 2. The water depth detection device 22 and the pollutant concentration detection device 3 are set in front of the over-standard rainwater discarded flo...

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Abstract

The invention discloses a rainwater collecting device for discharging rainwater with high pollution concentration and then collecting clean rainwater, which can effectively discharge the rainwater with high pollutant concentration. The minimum water flow time from pollutant concentration detection equipment in the rainwater collecting device to a super-standard rainwater flow abandoning opening-closing mechanism is greater than or equal to the sum of the maximum opening time of the super-standard rainwater flow abandoning opening-closing mechanism, the maximum closing time of the super-standard rainwater flow abandoning opening-closing mechanism and the reaction time of a control module. The rainwater collecting device can ensure that high-concentration polluted rainwater is discharged from rainwater runoff in time and the clean rainwater is selectively collected so as to improve the clean water collecting effect, and is suitable for popularization and application.

Description

technical field [0001] The invention relates to a rainwater collection device, in particular to a rainwater collection device for selectively collecting clean rainwater after discharging rainwater with a relatively high pollutant concentration in surface rainwater runoff. Background technique [0002] During the rainfall process, due to the randomness of the rainfall process and the uncertainty of the accumulation of surface pollutants, the pollutant concentration changes caused by rainfall runoff scouring surface pollutants show obvious random fluctuation characteristics. Therefore, when collecting rainwater, it is necessary to The concentration of pollutants in the rainwater is detected, so that the rainwater with a large concentration of pollutants is excluded and only clean rainwater is collected. [0003] Existing equipment that can detect rainwater runoff and selectively collect clean rainwater includes an initial rainwater discharge pipe, a valve is arranged on the di...

Claims

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Application Information

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IPC IPC(8): E03B3/02E03F1/00
CPCY02A20/108
Inventor 杨敏
Owner 杨敏
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