CN210216637U - Double-pipe pressure sewage delivery system node capable of realizing maintenance without stopping water supply - Google Patents
Double-pipe pressure sewage delivery system node capable of realizing maintenance without stopping water supply Download PDFInfo
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- CN210216637U CN210216637U CN201920626157.3U CN201920626157U CN210216637U CN 210216637 U CN210216637 U CN 210216637U CN 201920626157 U CN201920626157 U CN 201920626157U CN 210216637 U CN210216637 U CN 210216637U
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Abstract
The utility model discloses a can realize not stopping the double-barrelled pressure sewage water delivery system node that the water overhauld, including the node shell to and two sewage raceway of parallel arrangement of each other. Wherein each sewage delivery pipe is provided with two maintenance gate valves; the two sewage water pipes are communicated by a sewage conveying communicating pipe; the position where the sewage conveying communicating pipe is connected with the two sewage conveying pipes is located between the two corresponding overhauling gate valves of the sewage conveying pipes, and a connecting gate valve is arranged. The utility model discloses be applied to double-barrelled sewage water delivery system of pressure, realized that the intensification combination arranges convenient to overhaul, intercommunication setting and keeps the water delivery ability, does not take the water work to ensure important functions such as sewage zero release environmental protection ecology when maintainer safety, maintenance.
Description
Technical Field
The utility model relates to a sewage drainage pipe network builds technical field, in particular to can realize not stopping water and overhaul's double-barrelled pressure sewage water delivery system node.
Background
In the prior art, the construction of a pressurized sewage delivery system generally adopts the following methods: firstly, most pressure sewage water delivery systems are constructed by adopting a single water delivery pipe.
Secondly, the communication, drainage and maintenance node arrangement of the double-pipe pressure sewage delivery system engineering is dispersed, and the technical measures of zero pollution emission during maintenance can not be set;
the above two methods have the following defects:
(1) once accidents such as pipeline breakage and the like occur in the single-pipe pressure sewage delivery system, the system is definitely shut down on the whole line, and the system is paralyzed, and the drainage pollution can only be discharged to the surrounding environment during maintenance, so that the environmental pollution is directly caused.
(2) The method has the advantages that the two-pipe pressure sewage delivery system is communicated, drained and maintained, nodes are distributed dispersedly, conventional routing inspection and emergency repair are not facilitated, and the drainage pollution emission to the surrounding environment and the direct environmental pollution during maintenance are inevitably caused by the zero-emission pollution technology during maintenance.
Therefore, there is a need for an improved sewage delivery system that overcomes the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model provides a can realize the double-barrelled pressure sewage water delivery system node that does not cut off the water supply and overhaul, one of the purposes of realization is applied to the double-barrelled sewage water delivery system of pressure, has realized that intensive combination arranges easy access, intercommunication setting and keeps the water delivery ability, does not take the operation to ensure important functions such as maintainer safety, sewage zero release environmental protection ecology when overhauing.
In order to achieve the purpose, the utility model discloses a can realize not stopping the double-barrelled pressure sewage water delivery system node that the water overhauld, including the node shell to and two sewage raceway of parallel arrangement of each other.
Wherein each sewage delivery pipe is provided with two maintenance gate valves;
the two sewage water pipes are communicated by a sewage conveying communicating pipe;
the position where the sewage conveying communicating pipe is connected with the two sewage conveying pipes is located between the two maintenance gate valves of the corresponding sewage conveying pipes;
and the sewage conveying communicating pipe is provided with a connecting gate valve.
Preferably, the positions, corresponding to the two sewage pipes penetrating into and out of the node shell, of the node shell are provided with drainage wells, and each drainage well is communicated with the corresponding maintenance drainage pipe arranged between the penetrating end and the penetrating end of the sewage pipe.
More preferably, each maintenance drain pipe is provided with a maintenance drain valve.
Preferably, the sewage conveying communicating pipe is provided with a pressure drainage interface.
Preferably, the node shell is provided with manholes, and each manhole is provided with a ladder.
Preferably, each sewage conduit is provided with a conduit pipe inspection opening at the position in front of and behind the two maintenance gate valves, and each conduit pipe inspection opening is vertically arranged and is opened at the upper part.
Preferably, the bottom of the node shell is provided with a ground made of plain concrete.
More preferably, the ground is provided with a sump.
Preferably, the upper part of the node shell correspondingly covers the four parts of the maintenance gate valves, and a strip-shaped cover plate made of concrete is arranged on the upper part of the node shell.
The utility model has the advantages that:
the utility model discloses be applied to double-barrelled sewage water delivery system of pressure, realized that the intensification combination arranges convenient to overhaul, intercommunication setting and keeps the water delivery ability, does not take the water work to ensure important functions such as sewage zero release environmental protection ecology when maintainer safety, maintenance.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 shows a schematic structural diagram of an embodiment of the present invention.
Fig. 2 shows a schematic cross-sectional view at AA of fig. 1 according to the present invention.
Fig. 3 shows a schematic cross-sectional view at BB in fig. 1 according to the present invention.
Fig. 4 is a schematic cross-sectional view of fig. 1 of the present invention.
Detailed Description
Examples
As shown in fig. 1 to 4, the double-pipe pressure sewage delivery system node capable of realizing non-water-cut-off maintenance comprises a node shell 9 and two sewage delivery pipes 1 arranged in parallel.
Wherein, each sewage conduit pipe 1 is provided with two maintenance gate valves 2;
the two sewage water pipes 1 are communicated by a sewage conveying communicating pipe 4;
the positions where the sewage conveying communicating pipes 4 are connected with the two sewage conveying pipes 1 are both positioned between the two maintenance gate valves 2 of the corresponding sewage conveying pipes 1;
the sewage conveying communicating pipe 4 is provided with a connecting gate valve 3.
The principle of the utility model lies in: set up many sewage water delivery system nodes along the line at double-barrelled pressure sewage water delivery house steward, every department sets up 4 maintenance gate valves 2 and 1 connecting gate valve 3 communicating pipe node, can keep apart arbitrary treating maintenance sewage water delivery pipe 1 when using, guarantees that the water delivery system still can keep the transport capacity more than 75% when overhauing.
In some embodiments, drainage wells 7 are arranged in the node shell 9 at positions corresponding to the penetration and penetration positions of the two sewage pipes 1, and each drainage well 7 is communicated with the corresponding sewage pipe 1 through a maintenance drainage pipe 6.
In some embodiments, a service drain valve 61 is provided on each service drain pipe 6.
In some embodiments, the sewage conveying communicating pipe 4 is provided with a pressure drain port 41.
When in actual application, the maintenance drain valve 61 between the sewage conduit pipe 1 and the drainage well 7 is in a normally closed state, when a certain section of pressure sewage pipe needs maintenance, a maintenance person can close the corresponding maintenance gate valve 2 of the section of sewage pipe firstly, then open the maintenance drain valve 61 of the corresponding pipe section, and drain sewage flow in the pipe into the drainage well 7.
Then, the maintainer places the suction pipe of the mobile submersible pump or the mobile pump truck in the drainage well 7, the water outlet pipe is connected with the DN150 type pressure drainage interface 41 on the sewage conveying communicating pipe 4, and the mobile submersible pump or the mobile pump truck is used for discharging the sewage in the drainage well 7 into a sewage conveying system through the pressure drainage interface 41, so that the zero discharge of the sewage during the overhauling of the pressure sewage pipe is realized.
After the sewage in the sewage conveying pipe 1 to be overhauled is emptied, the maintainer can overhaul the sewage conveying pipe 1 to be overhauled through the pipeline inspection hole 5 on the sewage conveying pipe 1 to be maintained, so that the maintenance staff or equipment can operate without water.
Most of the sewage delivery system nodes are buried underground, and only the manhole 8 and the drainage well 7 protrude out of the ground, so that the ground landscape requirement is ensured.
In some embodiments, manholes 8 are provided in the node housing 9, and each manhole 8 is provided with a ladder 81.
In some embodiments, each sewage conduit pipe 1 is provided with a conduit pipe inspection opening 5 at a position before and after the two service gate valves 2, and each conduit pipe inspection opening 5 is vertically arranged and is opened at the upper side.
In some embodiments, the bottom of the node casing 9 is provided with a ground 92 made of plain concrete.
In some embodiments, the floor 92 is provided with a sump 93.
In some embodiments, the upper portion of the node case 9, corresponding to the portion covering the four service gate valves 2, is provided with a bar-shaped cover plate 91 made of concrete.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. The double-pipe pressure sewage conveying system node capable of realizing maintenance without stopping water comprises a node shell (9) and two sewage conveying pipes (1) which are arranged in parallel; the method is characterized in that:
each sewage delivery pipe (1) is provided with two maintenance gate valves (2);
the two sewage water pipes (1) are communicated by a sewage conveying communicating pipe (4);
the positions where the sewage conveying communicating pipes (4) are connected with the two sewage conveying pipes (1) are located between the two maintenance gate valves (2) of the corresponding sewage conveying pipes (1);
and a connecting gate valve (3) is arranged on the sewage conveying communicating pipe (4).
2. The double-pipe pressure sewage delivery system node capable of realizing continuous water supply overhaul according to claim 1, characterized in that drainage wells (7) are arranged in the node shell (9) corresponding to the penetrating and penetrating positions of the two sewage delivery pipes (1), and an overhaul drainage pipe (6) is arranged between each drainage well (7) and the corresponding penetrating end and penetrating end of the sewage delivery pipe (1) for communication.
3. The double-pipe pressure sewage delivery system node capable of realizing continuous water supply overhaul according to claim 2, wherein each overhaul drain pipe (6) is provided with an overhaul drain valve (61).
4. The double-pipe pressure sewage conveying system node capable of realizing continuous water overhaul according to claim 1, wherein a pressure drainage connector (41) is arranged on the sewage conveying communicating pipe (4).
5. The double-pipe pressure sewage delivery system node capable of realizing continuous water overhaul according to claim 1, wherein a manhole (8) is arranged on the node shell (9), and each manhole (8) is provided with a ladder (81).
6. The double-pipe pressure sewage delivery system node capable of realizing continuous water supply overhaul according to claim 1, wherein each sewage delivery pipe (1) is provided with a delivery pipe pipeline inspection opening (5) at the position before and after the two overhaul gate valves (2), and each delivery pipe pipeline inspection opening (5) is vertically arranged and is opened at the upper part.
7. The double pipe pressure sewage delivery system node capable of continuous water service according to claim 1, wherein the bottom of the node housing (9) is provided with a ground (92) made of plain concrete.
8. Double pipe pressure sewage delivery system node capable of continuous water service according to claim 7, characterised in that the ground (92) is provided with a sump (93).
9. The double pipe pressure sewage delivery system node capable of realizing maintenance without stopping water supply according to claim 1, wherein the upper part of the node housing (9) corresponding to the part covering four maintenance gate valves (2) is provided with a strip-shaped cover plate (91) made of concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920626157.3U CN210216637U (en) | 2019-05-05 | 2019-05-05 | Double-pipe pressure sewage delivery system node capable of realizing maintenance without stopping water supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920626157.3U CN210216637U (en) | 2019-05-05 | 2019-05-05 | Double-pipe pressure sewage delivery system node capable of realizing maintenance without stopping water supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210216637U true CN210216637U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920626157.3U Active CN210216637U (en) | 2019-05-05 | 2019-05-05 | Double-pipe pressure sewage delivery system node capable of realizing maintenance without stopping water supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210216637U (en) |
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2019
- 2019-05-05 CN CN201920626157.3U patent/CN210216637U/en active Active
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