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Initial rainwater source catch basin

A technology of initial rainwater and interception wells, which is applied in the field of interception wells, can solve problems such as heavy pollution, and achieve the effects of reducing complexity, quantity, and pipe diameter

Active Publication Date: 2014-04-30
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still some problems in the diversion drainage system, mainly in the control of the heavily polluted initial rainwater

Method used

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  • Initial rainwater source catch basin
  • Initial rainwater source catch basin
  • Initial rainwater source catch basin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1, see figure 1 and figure 2 , image 3 :

[0018] As can be seen from the figure, the intercepting well is mainly composed of a well cover 12, a well body 13, a vent pipe 4, a well neck 14, a ladder 15, an intermediate partition 2, and an initial rainwater intercepting pipe 7. The well body can be designed as a circle or a rectangle according to the needs, and it is divided into upper and lower wells 1 and 3 by the middle partition 2. The connection of the upper and lower layers of pipes and the access of branch pipes are based on the middle partition. Connect the sewage pipes and canals, the upper well 1 is connected to the rainwater pipes and canals, and a ventilation pipe 4 is provided on the middle partition to connect the upper and lower floors, so as to realize the normal ventilation and safe operation of the lower well. The top of the ventilation pipe should be higher than the design water depth of the upper well. In order to ensure the normal ventil...

Embodiment 2

[0019] Example 2, see figure 2 and figure 1 , image 3 :

[0020] As shown in the figure, the basic form and composition of the interception well are the same as figure 1 The one shown is similar, but the difference is that the upper well space of the intercepting well is separated by a vertical wall into an overflow control room 16, and a float valve mechanism 9 (including a float valve and spring, etc.) is arranged in the control room. There is a clean rainwater overflow hole 8 connected to another part of the upper well at a certain height. The overflow hole can be normally open, or can be opened and closed by a float valve to realize the overflow of clean rainwater. flow to ensure safety. Moreover, a drain hole 10 is provided at the bottom of the upper layer of the interception well to be connected with the downhole layer, and the drain hole can be communicated with the interceptor pipe. This hole is used for the discharge of the bottom rainwater when the upper layer...

Embodiment 3

[0021] Example 3, see image 3 and figure 1 , figure 2 :

[0022] It can be seen from the figure that the interception well is in figure 2 On the basis of the intercepting well shown, the position of the discharge hole 10 is changed, and the discharge hole is opened on the vertical wall, directly leading to the lower layer well of the interception well. compared to figure 2 The interception well can realize that the discharge hole and the overflow hole are controlled by a float valve at the same time, and can make the flushing effect of the upper well better. In addition, an automatic opening and closing control device 11 is installed in the initial rainwater interception structure 6 at the top of the interception pipe to control the opening and closing of the interception pipe, so that the interception amount of the initial rainwater can be accurately controlled, and the interception pipe is closed later to make the rainwater clean in the middle and late stages It is ...

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Abstract

The invention requests to protect an initial rainwater source catch basin. A partition plate capable of being opened and closed is arranged inside the catch basin and is used for dividing the catch basin into upper and lower layers, wherein an interceptor tube which is directly connected with a rainwater hole connecting tube is connected to the lower layer of the catch basin for carrying out interceptor control on the initial rainwater. The initial rainwater source catch basin mainly has three forms as follows: firstly, the interceptor tube is directly connected with the rainwater hole connecting tube for continuously online intercepting; secondly, based on the first form, the upper layer of the catch basin partition plate is provided with a floating ball valve liquid level control deice and a clean rainwater overflow water, so as to achieve the overflowing of the clean rainwater at a medium stage, and improve the safety; and thirdly, based on the second form, an automatic opening and closing device is arranged on the rainwater hole connecting tube, so that the rainwater at medium and rear stages enters a rainwater pipeline. The interceptor tube of the catch basin is directly connected with one or more rainwater hole connecting tubes, so that source control for initial runoff pollution is achieved.

Description

technical field [0001] The invention belongs to the technical fields of urban drainage system and environmental protection, and in particular relates to an intercepting well in the field of urban or community drainage. Background technique [0002] The interception well is a basic and key auxiliary structure in the urban drainage system, which can be used to intercept the heavily polluted initial rainwater, so as to facilitate the resource utilization of clean rainwater in the middle and late stages or directly discharge it into the water body, reducing the impact on urban sewage treatment plants. Shock and impact on the environment. [0003] At present, there are two main types of drainage systems in the field of urban drainage: confluence system and diversion system. The former is to discharge rainwater and sewage in the same pipeline, and the latter is to transport and discharge rainwater and sewage separately in two pipelines. , my country's "Outdoor Drainage Design Code...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E03F5/10
Inventor 姜文超樊晓晨吕念南张连强吉娜梁团团
Owner CHONGQING UNIV
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