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Circular-table-shaped device for realizing orderly water drainage and waterlogging prevention in cities

A city and anti-waterlogging technology, which is applied in the direction of water supply devices, sewage discharge, drainage structures, etc., can solve the problems of not being able to effectively limit the drainage rate of rainwater in high-lying areas and waterlogging disasters in low-lying areas, so as to eliminate or alleviate waterlogging disasters, avoid Low energy consumption and low investment

Inactive Publication Date: 2015-02-18
水利部产品质量标准研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the existing drainage methods cannot effectively limit the rainwater discharge speed in high terrain areas and easily cause waterlogging disasters in low terrain areas when the city encounters heavy rainfall, the present invention provides a method that can effectively limit the rainwater discharge speed in high terrain areas. A round table device that achieves priority discharge in low-lying areas and realizes urban orderly drainage and waterlogging prevention

Method used

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  • Circular-table-shaped device for realizing orderly water drainage and waterlogging prevention in cities
  • Circular-table-shaped device for realizing orderly water drainage and waterlogging prevention in cities
  • Circular-table-shaped device for realizing orderly water drainage and waterlogging prevention in cities

Examples

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Effect test

Embodiment 1

[0043] refer to figure 1 , Figure 2a to Figure 2e as well as Figure 7a and Figure 7b , to realize the waterlogging prevention method of urban orderly drainage, install the water flow spiral movement generating device 4 at the water outlet of the water collection well 2 of the underground pipe network 1 in the city; and install the water flow spiral movement at the water outlet of the water collection well at the high terrain The generating device has a higher vortex generating coefficient than the water flow spiral motion generating device installed at the water outlet of the water collection well at the low terrain 22 .

[0044] The special equipment for realizing the waterlogging prevention method of urban orderly drainage, including the underground pipe network 1 of the city, and the water collection well 2 connected with the underground pipe network 1, the underground pipe network 1 is connected with the main pipeline 3, and the A water flow spiral motion generating ...

Embodiment 2

[0050] refer to figure 1 , Figure 3a to Figure 3d , Figure 7a and Figure 7b , to realize the waterlogging prevention method of urban orderly drainage, install the water flow spiral movement generating device 4 at the water outlet of the water collection well 2 of the underground pipe network 1 in the city; and install the water flow spiral movement at the water outlet of the water collection well at the high terrain The generating device has a higher vortex generating coefficient than the water flow spiral motion generating device installed at the water outlet of the water collection well at the low terrain 22 .

[0051] The special equipment for realizing the waterlogging prevention method of urban orderly drainage, including the underground pipe network 1 of the city, and the water collection well 2 connected with the underground pipe network 1, the underground pipe network 1 is connected with the main pipeline 3, and the A water flow spiral motion generating device 4 ...

Embodiment 3

[0057] refer to figure 1 , Figure 4a to Figure 4d , Figure 7a and Figure 7b , to realize the waterlogging prevention method of urban orderly drainage, install the water flow spiral movement generating device 4 at the water outlet of the water collection well 2 of the underground pipe network 1 in the city; and install the water flow spiral movement at the water outlet of the water collection well at the high terrain The generating device has a higher vortex generating coefficient than the water flow spiral motion generating device installed at the water outlet of the water collection well at the low terrain 22 .

[0058] The special equipment for realizing the waterlogging prevention method of urban orderly drainage, including the underground pipe network 1 of the city, and the water collection well 2 connected with the underground pipe network 1, the underground pipe network 1 is connected with the main pipeline 3, and the A water flow spiral motion generating device 4 ...

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Abstract

The invention discloses a circular-table-shaped device for realizing orderly water drainage and waterlogging prevention in cities. The device comprises underground pipe networks for cities, and water collecting wells which are communicated with the underground pipe networks, wherein the underground pipe networks are connected with a main pipeline, and water flow spiral movement generating devices are mounted at water outlets of the water collecting wells; the water flow spiral movement generating devices are inclined circular-table-shaped casings and are provided with hollow inner cavities, the end surfaces with the small diameter of the casings face to the water outlets of the water collecting wells, the end surfaces with the large diameter are back to the water outlets of the water collecting wells and are arranged in the water collecting wells, the water flow spiral movement generating devices are provided with tangential water inlets and axial water outlets, and the tangential water inlets are used for guiding the water into the inner cavities in the tangential direction of the circumference of the side surface of the casings. The device can be used for effectively reducing the equivalent flow passing area of pipelines at the water outlets of the water collecting wells at high-elevation regions and the water flow speed of the inner parts of the pipelines, realizing the purpose of coordinating the water drainage flow amount in different regions, and contributing to relieving the waterlogging disasters caused by heavy rainfall in the cities.

Description

technical field [0001] The invention relates to a round table device for realizing orderly drainage and waterlogging prevention in cities. Background technique [0002] In the urban drainage system, the terrain differences in different regions significantly affect the drainage capacity of the drainage pipes in the corresponding region and the drainage effect in heavy rainfall. According to the relevant theories of fluid mechanics, under the action of the head pressure, the water flow rate in the pipeline increases with the increase of the head pressure. Therefore, when all the drainage pipes have the same pipe diameter, the pipes have a stronger drainage capacity due to the higher head pressure in the high-lying area. Quickly drain away; in low-lying areas, the head pressure is low, and the drainage capacity of the pipeline is relatively weak, so it is difficult to drain away rainwater in time and a large amount of rainwater is stagnant. At present, the layout of my countr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03F1/00E03F5/04
CPCE03F1/002E03F3/02E03F5/04Y02A30/60
Inventor 吴燕明程文韬任晟李桃李超陈小明郑寓
Owner 水利部产品质量标准研究所
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