CN214535115U - Gas pipeline prevents leaking formula and freezes stifled dredge - Google Patents
Gas pipeline prevents leaking formula and freezes stifled dredge Download PDFInfo
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- CN214535115U CN214535115U CN202120308800.5U CN202120308800U CN214535115U CN 214535115 U CN214535115 U CN 214535115U CN 202120308800 U CN202120308800 U CN 202120308800U CN 214535115 U CN214535115 U CN 214535115U
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Abstract
The utility model discloses a gas pipeline leakage-proof type frozen blockage dredger, which comprises a T-shaped three-way ball valve, a dredging rod and a sealing flange, wherein both ends of the dredging rod are respectively provided with a rotating wheel and a copper shovel head, the dredging rod runs through from two openings of the T-shaped three-way ball valve, one opening of the T-shaped three-way ball valve, which is close to the rotating wheel, is connected with the sealing flange, the middle part of the sealing flange is screwed with a flange nut, and an O-shaped sealing ring is arranged between the flange nut and the dredging rod; and a blind flange is arranged at the other port of the T-shaped three-way ball valve. The utility model discloses simple structure convenient to use, when the connecting pipe takes place to block up, holds the runner this moment, and the dredging rod that slides from top to bottom, the ice-cube in the copper shovel head striking connecting pipe is dredged. After dredging is finished, the dredging rod is lifted upwards until the copper shovel head is lifted to be separated from the T-shaped three-way ball valve, the T-shaped three-way ball valve is rotated, the sealing flange is opened, the sealing flange and the dredging rod are taken out together, and gas leakage is avoided.
Description
The technical field is as follows:
the utility model relates to a freeze stifled dredge, especially relate to a stifled dredge is frozen to gas pipeline leakage-proof formula.
Background art:
in the natural gas conveying process, a main pipeline is laid underground, a connecting pipe communicated with the main pipeline is vertically buried outdoors when entering a user, the connecting pipe is turned to the ground from the underground, one end, turned to the ground, of the connecting pipe is plugged through a blind plate, and the middle of the connecting pipe is communicated with a house-entering pipe.
In the natural gas pipeline laying process, the condition that the pipeline is submerged by rainfall can appear, the accumulated water can not be discharged completely in the later period, and the accumulated water can be concentrated at the outlet with low point and large gas flow because of the trend of the airflow and the pipeline. Because of the northern winter is cold, the maximum thickness of frozen soil layer can reach 1 meter, and pipeline ponding can go upward along with the gas, and the gas that causes the user to use influences up to freezing the pipeline after going upward to frozen soil layer in the connecting pipe, consequently need study one kind can dredge the connecting pipe and freeze stifled and guarantee that the gas does not leak pull throughs.
The utility model has the following contents:
in order to solve the technical problem, an object of the utility model is to provide a stifled dredge is frozen to gas pipeline leakage-proof formula.
The utility model discloses by following technical scheme implement: the utility model provides a stifled dredge is frozen to gas pipeline leak-proof formula, its includes T type tee bend ball valve, dredge pole, sealing flange, the both ends of dredging pole are provided with runner and copper shovel head respectively, and copper shovel head can avoid producing the spark when the mediation. The dredging rod penetrates through the two through holes of the T-shaped three-way ball valve, a sealing flange is connected to one through hole, close to the rotating wheel, of the T-shaped three-way ball valve, a flange nut is connected to the middle of the sealing flange in a threaded mode, and an O-shaped sealing ring is arranged between the flange nut and the dredging rod;
and a blind flange is arranged at the other port of the T-shaped three-way ball valve.
Further, the T-shaped three-way ball valve further comprises a first pressure gauge, wherein the first pressure gauge is fixedly connected with the sealing flange, and the first pressure gauge is communicated with a through hole, close to the rotating wheel, of the T-shaped three-way ball valve.
And the T-shaped three-way ball valve further comprises a second pressure gauge which is fixedly connected with the blind flange and communicated with the through hole plugged by the blind flange.
The utility model has the advantages that: the utility model has simple structure and convenient use, when the user has no gas supply but the gas company ensures that the pipeline is not damaged, the blind plate at the upper part of the connecting pipe is opened, the T-shaped three-way ball valve is far away from the opening of the runner and the connecting pipe are connected through the flange, the number of the first pressure gauge is observed, if the first pressure gauge displays pressure, the inlet pipe is proved to be frozen and blocked, and then the heat tracing or the boiled water pouring pipe is added at the outer part of the inlet pipe to realize dredging; if the first pressure gauge shows no pressure, the connecting pipe is proved to be blocked, the runner is held by a hand at the moment, the dredging rod slides up and down, and the copper shovel head impacts the ice blocks in the connecting pipe to dredge.
After dredging is finished, the dredging rod is lifted upwards until the copper shovel head is lifted to be separated from the T-shaped three-way ball valve, the T-shaped three-way ball valve is rotated to enable the inner cavity of the connecting pipe to be communicated with a through hole, provided with a second pressure gauge, of the T-shaped three-way ball valve, the sealing flange is opened, the sealing flange and the dredging rod are taken out together, and fuel gas does not leak; and then the blind plate is used for plugging the through hole at the top of the T-shaped three-way ball valve. The T-shaped three-way ball valve is kept at the upper part of the connecting pipe, and the freezing and blocking conditions of the T-shaped three-way ball valve are monitored by utilizing the reading change of a second pressure meter.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a leak-proof type freezing and blocking dredger for a gas pipeline of the present invention;
FIG. 2 is a diagram of the use state of the anti-leakage type freezing and blocking dredger for a gas pipeline;
fig. 3 is an enlarged schematic view of a portion a of fig. 2.
In the figure: t type tee bend ball valve 1, dredge rod 2, sealing flange 3, runner 4, copper shovel head 5, flange nut 6, O type sealing washer 7, blind flange 8, first manometer 9, second manometer 10, connecting pipe 11, service pipe 12.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A leakage-proof type freezing and plugging dredger for a gas pipeline comprises a T-shaped three-way ball valve 1, a dredging rod 2 and a sealing flange 3, wherein both ends of the dredging rod 2 are respectively provided with a rotating wheel 4 and a copper shovel head 5, the dredging rod 2 penetrates through two through holes of the T-shaped three-way ball valve 1, the sealing flange 3 is connected to one through hole, close to the rotating wheel 4, of the T-shaped three-way ball valve 1, a flange nut 6 is screwed in the middle of the sealing flange 3, and an O-shaped sealing ring 7 is arranged between the flange nut 6 and the dredging rod 2;
and the other port of the T-shaped three-way ball valve 1 is provided with a blind flange 8.
The embodiment also comprises a first pressure gauge 9 and a second pressure gauge 10, wherein the first pressure gauge 9 is fixedly connected with the sealing flange 3, and the first pressure gauge 9 is communicated with a through hole of the T-shaped three-way ball valve 1 close to the rotating wheel 4; and the second pressure gauge 10 is fixedly connected with the blind flange 8 and is communicated with the through hole of the T-shaped three-way ball valve 1, which is plugged by the blind flange 8.
The working principle is as follows:
when a user does not supply gas but a gas company ensures that a pipeline is not damaged, a blind plate at the upper part of a connecting pipe 11 is opened, one through hole of a T-shaped three-way ball valve 1, which is far away from a rotating wheel 4, is connected with the connecting pipe 11 through a flange, the number of the first pressure gauge 9 is observed, if the first pressure gauge 9 displays pressure, the fact that a home pipe 12 is frozen and blocked is proved, and at the moment, heat tracing or a pouring pipe is added outside the home pipe 12 to realize dredging; if the first pressure gauge 9 shows no pressure, the connecting pipe 11 is proved to be blocked, the rotating wheel 4 is held by hand, the dredging rod 2 slides up and down, and the copper shovel head 5 impacts the ice blocks in the connecting pipe 11 to dredge.
After dredging is finished, the dredging rod 2 is lifted upwards until the copper shovel head 5 is lifted to be separated from the T-shaped three-way ball valve 1, the T-shaped three-way ball valve 1 is rotated, the inner cavity of the connecting pipe 11 is communicated with a through hole of the T-shaped three-way ball valve 1, which is provided with a second pressure gauge 10, the sealing flange 3 is opened, the sealing flange 3 and the dredging rod 2 are taken out together, and fuel gas does not leak; and then the blind plate is used for plugging the through hole at the top of the T-shaped three-way ball valve 1. The T-shaped three-way ball valve 1 is reserved at the upper part of the connecting pipe 11, and the freezing and blocking conditions of the T-shaped three-way ball valve are monitored by utilizing the number change of the second pressure gauge 10.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A leakage-proof type frozen blockage dredger for a gas pipeline is characterized by comprising a T-shaped three-way ball valve, a dredging rod and a sealing flange, wherein a rotating wheel and a copper shovel head are respectively arranged at two ends of the dredging rod, the dredging rod penetrates through two through holes of the T-shaped three-way ball valve, the sealing flange is connected to one through hole, close to the rotating wheel, of the T-shaped three-way ball valve, a flange nut is screwed in the middle of the sealing flange, and an O-shaped sealing ring is arranged between the flange nut and the dredging rod;
and a blind flange is arranged at the other port of the T-shaped three-way ball valve.
2. A gas pipeline leakage-proof type frozen block dredger as claimed in claim 1, further comprising a first pressure gauge, wherein the first pressure gauge is fixedly connected with the sealing flange, and the first pressure gauge is communicated with a through hole of the T-shaped three-way ball valve, which is close to the rotating wheel.
3. A gas pipeline leakage-proof type frozen block dredger as claimed in claim 1, further comprising a second pressure gauge, wherein the second pressure gauge is fixedly connected with the blind flange and is communicated with the through hole of the T-shaped three-way ball valve, which is blocked by the blind flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120308800.5U CN214535115U (en) | 2021-02-03 | 2021-02-03 | Gas pipeline prevents leaking formula and freezes stifled dredge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120308800.5U CN214535115U (en) | 2021-02-03 | 2021-02-03 | Gas pipeline prevents leaking formula and freezes stifled dredge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214535115U true CN214535115U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120308800.5U Active CN214535115U (en) | 2021-02-03 | 2021-02-03 | Gas pipeline prevents leaking formula and freezes stifled dredge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214535115U (en) |
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2021
- 2021-02-03 CN CN202120308800.5U patent/CN214535115U/en active Active
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