CN211315807U - Experimental device for simulating leakage of underground water and gas delivery pipeline - Google Patents
Experimental device for simulating leakage of underground water and gas delivery pipeline Download PDFInfo
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- CN211315807U CN211315807U CN201922018140.2U CN201922018140U CN211315807U CN 211315807 U CN211315807 U CN 211315807U CN 201922018140 U CN201922018140 U CN 201922018140U CN 211315807 U CN211315807 U CN 211315807U
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Abstract
The utility model discloses an underground water and gas transmission pipeline simulation leakage experimental apparatus, including aboveground part and underground part, aboveground part is responsible for, pressure regulating valve, manometer, is responsible for manual valve, five bleeder and first installing support by the experiment, pressure regulating valve the manometer and be responsible for manual valve and all install on the experiment is responsible for, the one end that the experiment was responsible for is connected through first installing support the one end of bleeder. The utility model can test the leakage of underground water and gas pipelines with different soil qualities, different burial depths and different materials, and simulate the influence caused by the leakage under different conditions of pipeline test; the simulation pipeline can completely simulate the real leakage situation of the underground pipeline, can provide experimental conditions for the research of fluid impact rock soil, can also discover leakage vibration or acoustic characteristics under different conditions, and provides an effective way for leakage detection.
Description
Technical Field
The utility model relates to a water and gas transmission pipeline leakage experiment technical field especially relates to an underground water and gas transmission pipeline simulation leakage experimental apparatus.
Background
At present, gas or liquid injection tests of underground pipelines are required in many engineering occasions, and the influence of water leakage or gas leakage of the pipelines under certain pressure is required to be researched on the premise that the pipelines are directly buried. However, it is difficult to find a proper leak hole on the actual underground pipeline, the hole diameter and the spraying direction are not controllable, and an ideal test effect cannot be achieved.
The person skilled in the art is dedicated to solving the above technical drawbacks.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the technical purpose of the utility model is to solve and hardly find suitable small opening on the underground piping, pore diameter, injection direction are all uncontrollable, can't reach the experimental effect problem of ideal.
In order to realize the technical purpose, the utility model provides an underground water and gas transmission pipeline simulation leakage experimental device, including aboveground part and underground part, aboveground part is by experiment person in charge, pressure regulating valve, manometer, person in charge manual valve, person in charge relief valve and many bleeder pipes, pressure regulating valve, manometer, relief valve and person in charge manual valve all install on the experiment person in charge, the experiment person in charge with bleeder pipe seamless welding;
the underground part consists of a plurality of experimental branch pipes, nozzles and simulation pipelines, and the experimental branch pipes and the overground branch pipes are welded in a seamless mode.
Preferably, valves are installed on a plurality of the branch pipes.
Preferably, the number of the branch pipes and the number of the experiment branch pipes are respectively five, five experiment branch pipes are arranged in parallel, the lower ends of the five experiment branch pipes are respectively bent by 0 degree, 45 degrees, 90 degrees, 135 degrees and 180 degrees, and the lower ends of the five experiment branch pipes are positioned on an arc with the same circle center.
Preferably, the simulation pipeline is provided with openings matched with the pipe orifices of the plurality of experiment branch pipes, the pipe orifices of the plurality of experiment branch pipes are embedded into the plurality of openings, and the pipe orifices of the plurality of experiment branch pipes are provided with nozzles.
Preferably, five openings are one group, and three groups of openings are formed in the simulation pipeline.
The utility model has the advantages that:
due to the structural design, the utility model can carry out leakage test on underground water and gas pipelines with different soil qualities, different burial depths and different materials, and simulate the influence caused by leakage under different conditions of pipeline test; the simulation pipeline can completely simulate the real leakage situation of the underground pipeline, can provide experimental conditions for the research of fluid impact rock soil, can also discover leakage vibration or acoustic characteristics under different conditions, and provides an effective way for leakage detection.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a simulated pipeline according to the present invention;
FIG. 3 is a schematic structural view of five experimental branch pipes according to the present invention;
fig. 4 is a schematic partial structure diagram of the experimental branch pipe 1# in fig. 3 according to the present invention.
In the figure: the system comprises a main experiment pipe 1, a pressure regulating valve 2, a pressure gauge 3, a main pipe manual valve 4, a pressure release valve 5, a branch pipe 6, an experiment branch pipe 7, a nozzle 8 and a simulation pipeline 9.
Detailed Description
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.
Example (b):
as shown in fig. 1-4, the simulated leakage experiment device for the underground water and gas transmission pipeline comprises an overground part and an underground part, wherein the overground part comprises an experiment main pipe 1, a pressure regulating valve 2, a pressure gauge 3, a main pipe manual valve 4, a pressure relief valve 5 and a branch pipe 6, the pressure regulating valve 2, the pressure gauge 3, the main pipe manual valve 4 and the pressure relief valve 5 are all arranged on the experiment main pipe 1, and one end of the experiment main pipe 1 is seamlessly welded with one end of the branch pipe 6;
the underground part consists of a plurality of experimental branch pipes 7, nozzles 8 and simulation pipelines 9, and one ends of the plurality of branch pipes 6, which are far away from the experimental main pipe 1, are welded with the plurality of experimental branch pipes 7 in a seamless mode.
Specifically, all install the valve on a plurality of bleeder 6, the vertical part that the valve on five bleeder 6 exposes ground is no less than 0.5m, and the experimenter can control the switching of each experiment branch pipe 7 as required.
Specifically, the five experimental branch pipes 7 are arranged in parallel, the lower ends of the five experimental branch pipes 7 are respectively bent by 0 degrees, 45 degrees, 90 degrees, 135 degrees and 180 degrees, the lower ends of the five experimental branch pipes 7 are positioned on an arc with the same center of circle, and the vertical part of the five experimental branch pipes 7 buried in the soil is not less than 1m (the buried depth can be determined according to actual requirements).
Specifically, the simulated pipe 9 may be a seamless steel pipe with an inner diameter of 300 mm.
Specifically, offer on the simulation pipeline 9 with five experiment branch pipe 7 mouth of pipe assorted trompils, five experiment branch pipe 7 mouths of pipe imbed five trompils in, and five experiment branch pipe 7 mouths of pipe department all install the nozzle, spout aperture on the nozzle is 1 mm.
Specifically, five openings are a group, three groups of openings are formed in the simulation pipeline 9, the distance between each group of openings is not less than 1m (A, B, C groups in the figure), and nozzles (such as 3mm and 5 mm) with different apertures can be installed in the B, C groups according to experimental needs.
The working principle is as follows:
when the experiment needs to be carried out, firstly, an experiment pit with the length of 3m, the width of 0.5m and the depth of 1.5m is excavated on an experiment site, the underground part of the device is placed in the experiment pit, and then backfilling is carried out, and finally, the valve on the branch pipe 6 is exposed out of the ground by about 0.5 m. Let in external water source or air supply, use pressure regulating valve 2 and relief valve 5 to adjust pressure to experiment requirement pressure, install bleeder 6, open the valve on the bleeder that needs the experiment, open again and be responsible for manual valve 4, can simulate underground simulation pipeline 9 and produce the leakage effect of different aperture small openings in positions such as pipeline upper wall, lateral wall, bottom.
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 teachings of the present invention without undue experimentation. 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 (5)
1. The utility model provides an underground water and gas transmission pipeline simulation leakage experimental apparatus, includes aboveground part and underground part, its characterized in that: the overground part comprises an experiment main pipe (1), a pressure regulating valve (2), a pressure gauge (3), a main pipe manual valve (4), a pressure release valve (5) and a branch pipe (6), wherein the pressure regulating valve (2), the pressure gauge (3), the main pipe manual valve (4) and the pressure release valve (5) are all arranged on the experiment main pipe (1), and one end of the experiment main pipe (1) is welded with one end of the branch pipe (6) in a seamless mode;
the underground part consists of a plurality of experimental branch pipes (7), nozzles (8) and simulation pipelines (9), and one ends of the branch pipes (6) far away from the experimental main pipe (1) are welded with the experimental branch pipes (7) in a seamless mode.
2. The underground water and gas pipeline leakage simulation experiment device according to claim 1, wherein: valves are arranged on the branch pipes (6).
3. The underground water and gas pipeline leakage simulation experiment device according to claim 1, wherein: the number of the branch pipes (6) and the number of the experiment branch pipes (7) are respectively five, five experiment branch pipes (7) are arranged in parallel, the upper ends of the five experiment branch pipes (7) are exposed out of the ground, the lower ends of the five experiment branch pipes (7) are respectively bent by 0 degree, 45 degrees, 90 degrees, 135 degrees and 180 degrees, and the lower ends of the five experiment branch pipes (7) are positioned on an arc of the same circle center.
4. The underground water and gas pipeline leakage simulation experiment device according to claim 3, wherein: the simulation pipeline (9) is provided with a plurality of open holes matched with the pipe orifices of the experiment branch pipes (7), the pipe orifices of the experiment branch pipes (7) are embedded into the open holes, and the pipe orifices of the experiment branch pipes (7) are provided with nozzles.
5. The underground water and gas pipeline leakage simulation experiment device according to claim 4, wherein: five openings are a group, and three groups of openings are formed in the simulation pipeline (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922018140.2U CN211315807U (en) | 2019-11-21 | 2019-11-21 | Experimental device for simulating leakage of underground water and gas delivery pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922018140.2U CN211315807U (en) | 2019-11-21 | 2019-11-21 | Experimental device for simulating leakage of underground water and gas delivery pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN211315807U true CN211315807U (en) | 2020-08-21 |
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| CN201922018140.2U Active CN211315807U (en) | 2019-11-21 | 2019-11-21 | Experimental device for simulating leakage of underground water and gas delivery pipeline |
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Assignee: Shanghai Bohui Technology Co.,Ltd. Assignor: SHANGHAI URBAN CONSTRUCTION DESIGN RESEARCH INSTITUTE (Group) Co.,Ltd. Contract record no.: X2021980002709 Denomination of utility model: Experimental device for simulating leakage of underground water and gas pipelines Granted publication date: 20200821 License type: Common License Record date: 20210415 |