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A sewer installation structure and dredging method

An installation structure and sewer technology, applied in the field of municipal drainage, can solve the problems of unfavorable sewer replacement and maintenance, and difficulty in disassembly, and achieve the effects of convenient and quick dredging, convenient disassembly and assembly, and easy maintenance.

Active Publication Date: 2019-11-12
温州市城南市政建设维修有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] like figure 1 It is a sewer installation structure, including a connecting pipe 112, the two ends of the connecting pipe 112 are inserted into the conveying pipe 111, and the conveying pipe 111 and the connecting pipe 112 are fixedly connected by welding. The sewer installed in this installation method needs to be removed for part of the sewer. When replacing or maintaining, it is difficult to disassemble, which is not conducive to the replacement and maintenance of the sewer

Method used

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  • A sewer installation structure and dredging method
  • A sewer installation structure and dredging method
  • A sewer installation structure and dredging method

Examples

Experimental program
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Effect test

Embodiment 1

[0035] The invention discloses a sewer installation structure, such as figure 2 , image 3 As shown, it includes a transmission pipeline 1, the lower end of the transmission pipeline 1 is connected with an intermediate pipeline 2, and the transmission pipeline 1 and the intermediate pipeline 2 are in clearance fit.

[0036] Such as image 3 , Figure 4 As shown, the outer side of the transmission pipe 1 near its upper and lower ends is provided with an annular deepening groove inwardly, and a deepening block 3 corresponding to the deepening groove is formed inside the transmission pipe 1 .

[0037] Such as Figure 4 , Figure 5 As shown, the inner side of the middle pipe 2 near its upper and lower ends is convexly provided with an annular control chamber 6 to the outside, and a control block 5 corresponding to the control chamber 6 is formed outside the middle pipe 2. The axial length of the control chamber 6 is the same as that of the control chamber 6. The axial length...

Embodiment 2

[0048] A sewer dredging method, the method is used to dredge the sewer adopting the installation structure of embodiment one,

[0049] Step 1: If Figure 4 shown. Supply water to the flushing nozzle 17 in the intermediate pipeline 2 so that the flushing nozzle 17 performs fixed-point flushing on the passage surrounded by each deepening block 3;

[0050] Step 2: Turn off the water supply to the flushing nozzle 17 in the intermediate pipeline 2, and use a large-diameter high-pressure nozzle to flush and dredge the entire sewer;

[0051] Step 3: water is supplied to the flushing nozzle 17 in the middle pipeline 2 again, and the channel surrounded by the deepening block 3 is flushed and cleaned.

[0052] Because the diameter of the channel surrounded by the deepening block 3 is too small, when the channel surrounded by the deepening block 3 is blocked, the blockage is more compact and difficult to clean than other places in the sewer. It is easy to flush with an ordinary large-d...

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Abstract

The invention discloses a sewer mounting structure and a dredging method. The technical scheme mainly includes that the sewer mounting structure comprises a conveying pipeline and an intermediate pipeline; deepening blocks are fixed to the inner sides of the upper end and the lower end of the conveying pipeline, annular grooves which correspond to the deepening blocks are formed in the outer sidesof the upper end and the lower end of the conveying pipeline, control cavities are arranged at the upper end and the lower end of the inner side of the intermediate pipeline, two clamp blocks which are symmetric with each other relative to the center of an inner cavity of the intermediate pipeline and are in the shapes of semicircular rings are arranged on the control cavities and can be driven by transmission mechanisms to slide along the radial direction of the inner cavity to be clamped into the annular grooves, and washing spray nozzles are mounted in the intermediate pipeline. Water is supplied to the washing spray nozzles at first when sewers with the sewer mounting structure are about to be dredged, and channels enclosed by deepening pipelines are preliminarily dredged, then the sewers can be dredged by large-aperture high-pressure spray nozzles, and the channels enclosed by the deepening pipelines can be ultimately flushed by the aid of the washing spray nozzles. The sewer mounting structure and the dredging method have the advantage that the sewers are convenient to disassemble and can be conveniently, quickly and thoroughly dredged.

Description

technical field [0001] The invention relates to the field of municipal drainage, more specifically it relates to a sewer installation structure and a dredging method. Background technique [0002] In the municipal drainage system of the city, the sewer is an indispensable and important part, and it is the basic unit and connection hub in the water supply and drainage network system. [0003] Such as figure 1 It is a sewer installation structure, including a connecting pipe 112, the two ends of the connecting pipe 112 are inserted into the conveying pipe 111, and the conveying pipe 111 and the connecting pipe 112 are fixedly connected by welding. The sewer installed in this installation method needs to be removed for part of the sewer. When replacing or maintaining, it is difficult to disassemble, which is not conducive to the replacement and maintenance of the sewer. Contents of the invention [0004] In view of the deficiencies in the prior art, one purpose of the prese...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E03F3/04E03F9/00
CPCE03F3/04E03F9/00
Inventor 金袁陈建盈李荡项晓李培秋
Owner 温州市城南市政建设维修有限公司