CN219994770U - Heavy-calibre thick wall seamless steel pipe for natural gas line low temperature station yard - Google Patents
Heavy-calibre thick wall seamless steel pipe for natural gas line low temperature station yard Download PDFInfo
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- CN219994770U CN219994770U CN202321665222.6U CN202321665222U CN219994770U CN 219994770 U CN219994770 U CN 219994770U CN 202321665222 U CN202321665222 U CN 202321665222U CN 219994770 U CN219994770 U CN 219994770U
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- pipeline
- natural gas
- steel pipe
- seamless steel
- wall seamless
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 239000003345 natural gas Substances 0.000 title claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 23
- 239000010959 steel Substances 0.000 title claims abstract description 23
- 239000004429 Calibre Substances 0.000 title claims abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 239000010935 stainless steel Substances 0.000 claims description 12
- 238000005260 corrosion Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 abstract description 13
- 239000007789 gas Substances 0.000 abstract description 5
- 238000012790 confirmation Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 10
- 239000011241 protective layer Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Pipeline Systems (AREA)
Abstract
The utility model discloses a large-caliber thick-wall seamless steel pipe for a low-temperature station of a natural gas pipeline, and relates to the field of natural gas transmission. This natural gas line low temperature station is seamless steel pipe of heavy-calibre thick wall for yard is through setting up protective tube and connecting block for the protective tube protects the junction of pipeline, and the protective tube wraps up flange inboard simultaneously, the sealing baffle of cooperation both sides makes the protective tube inboard form airtight space, realize the protection, reduce the influence and the damage of external environment to junction, through setting up detection box, natural gas detector and wireless transmission module, after the protective tube lid closes in the junction, utilize the gas content of natural gas detector monitoring protective tube inboard, when the junction takes place to leak, can in time be detected out, and utilize wireless transmission module with the detection information transmission to the remote end, personnel can in time discover to leak, and accurate confirmation leak location, the practicality is improved.
Description
Technical Field
The utility model relates to the technical field of natural gas transportation, in particular to a large-caliber thick-wall seamless steel pipe for a low-temperature station of a natural gas pipeline.
Background
With the rapid development of the natural gas market and the expansion of the consumer market, large-scale gas supply systems are built in many places at present, and compared with other modes for transporting natural gas, the natural gas pipeline has unique advantages through pipeline transportation, and the world petroleum and natural gas pipeline construction has obtained a great deal of development.
For example, publication number CN216555749U discloses a stainless steel seamless steel pipe with high temperature resistance and corrosion resistance for natural gas, comprising a first pipe, a second pipe, a joint, a stainless steel outer pipe, a stainless steel inner pipe, a connecting frame, an inner cavity and a bump, wherein a second pipe is arranged on one side surface of the first pipe, a joint is arranged between the first pipe and the second pipe, and the joint is wrapped on the outer side surfaces of one ends of the first pipe and the second pipe; the inner side surface of the first pipeline or the second pipeline is welded with a stainless steel outer pipe, wherein the inner side surface of the stainless steel outer pipe is connected with a stainless steel inner pipe through a connecting frame, and an inner cavity is arranged between the stainless steel outer pipe and the stainless steel inner pipe; the outer side face of the joint is welded with bumps, and the bumps are provided with four. According to the utility model, the first pipeline, the second pipeline and the joint are arranged, so that the safety protection is strong, natural gas is not easy to leak, the use is convenient, the service life is prolonged, the disassembly and the installation are convenient, and the deformation is not easy to occur under the high-temperature condition.
The high-temperature-resistant corrosion-resistant stainless steel seamless steel pipe for natural gas in the patent is exposed to the outside all the time, and the joint is not protected and can be easily damaged to cause the disassembly to be more troublesome, and can also cause natural gas leakage, and a small amount of leakage can not be detected in time, leads to the practicality to be insufficient.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a large-caliber thick-wall seamless steel pipe for a low-temperature station of a natural gas pipeline, which solves the problem that an interface is not protected.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: including first pipeline, the rear end of first pipeline is provided with the second pipeline, both ends are equal fixed mounting in front and back of first pipeline and second pipeline have flange, flange's the outside is provided with the protection pipe, the surface in the protection pipe outside is provided with the connecting block, the inboard of protection pipe is provided with the detection box, the lower extreme fixed mounting of detection box has the natural gas detector, the inboard fixed mounting of detection box upper end has wireless transmission module.
Preferably, the first pipeline and the second pipeline are detachably connected through a connecting flange, and the first pipeline and the second pipeline are identical in structure.
Preferably, the wireless transmission module is connected with the natural gas detector through wires, and the natural gas detector and the flange are mutually matched.
Preferably, the protection pipe comprises an upper pipe and a lower pipe, the upper pipe and the lower pipe are detachably connected through a connecting block, a detection box is arranged at the lower end of the upper pipe, and the protection pipe is made of stainless steel materials.
Preferably, the front end and the rear end of the upper pipeline and the lower pipeline are fixedly connected with sealing baffles, the inner sides of the sealing baffles are in fit connection with the first pipeline and the second pipeline, and sealing gaskets are arranged on the inner sides of the sealing baffles.
Preferably, the first pipeline comprises a protection layer, an insulation layer is arranged on the inner side of the protection layer, an anti-corrosion layer is arranged on the inner side of the insulation layer, an inner wall is arranged on the inner side of the anti-corrosion layer, the protection layer is made of an insulating material, and the insulation layer is made of a polyurethane material.
Advantageous effects
The utility model provides a large-caliber thick-wall seamless steel pipe for a natural gas pipeline low-temperature station. Compared with the prior art, the method has the following beneficial effects:
1. this natural gas line low temperature station is seamless steel pipe of heavy-calibre thick wall for yard is through setting up protective tube and connecting block for the protective tube protects the junction of pipeline, and the protective tube when dismantling, through the connecting block to the connection installation of last pipeline and lower pipeline, conveniently dismantle and maintain, the protective tube wraps up flange inboard simultaneously, the sealing baffle of cooperation both sides makes the protective tube inboard form airtight space, realizes the protection, reduces the influence and the damage of external environment to joint department, has improved the practicality.
2. This natural gas line low temperature station is heavy-calibre thick wall seamless steel pipe for field through setting up detection box, natural gas detector and wireless transmission module, after the protection pipe lid closes in the junction, utilizes the gas content of natural gas detector monitoring protection pipe inboard, when the junction takes place to leak, can in time be detected to utilize wireless transmission module to send detection information to the remote end, personnel can in time discover to leak, and accurate confirmation leak location has improved the practicality.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of a pipe joint according to the present utility model;
FIG. 3 is a cross-sectional view of a protective tube according to the present utility model;
fig. 4 is a schematic view of the internal structure of the pipeline according to the present utility model.
In the figure: 1. a first pipe; 2. a protective tube; 3. a lower pipeline; 4. an upper pipeline; 5. a connecting block; 6. a second pipe; 7. a connecting flange; 8. a detection box; 9. a wireless transmission module; 10. a natural gas detector; 11. an inner wall; 12. an anti-corrosion layer; 13. a heat preservation layer; 14. a protective layer; 201. a sealing baffle; 202. and a sealing gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a natural gas line low temperature is heavy-calibre thick wall seamless steel pipe for station, including first pipeline 1, the rear end of first pipeline 1 is provided with second pipeline 6, the front and back both ends of first pipeline 1 and second pipeline 6 all are fixed mounting flange 7, first pipeline 1 and second pipeline 6 pass through flange 7 and dismantle the connection, the outside of flange 7 is provided with protection pipe 2, protection pipe 2 is stainless steel material, the inboard of protection pipe 2 is provided with detection box 8, the front and back both ends of protection pipe 2 left and right sides all are fixed mounting has connecting block 5, protection pipe 2 includes upper pipeline 4 and lower pipeline 3, upper pipeline 4 and lower pipeline 3 pass through connecting block 5 and can dismantle the connection, the front and back both ends of upper pipeline 4 and lower pipeline 3 all are fixed connection has sealing baffle 201, sealing baffle 201's inboard and first pipeline 1, second pipeline 6 laminating are connected, sealing baffle 201's inboard is provided with sealing washer 202, protect the junction of pipeline through protection pipe 2, and protection pipe 2 is when dismantling, connection through connecting block 5 to upper pipeline 4 and lower pipeline 3 is dismantled, the convenience is dismantled and is installed;
the inner side of the lower end of the upper pipeline 4 is fixedly provided with a detection box 8, the detection box 8 is positioned at the upper end of the joint of the connecting flange 7 of the first pipeline 1 and the second pipeline 6, the lower end of the detection box 8 is fixedly provided with a natural gas detector 10, the upper end of the inner side of the detection box 8 is fixedly provided with a wireless transmission module 9, the wireless transmission module 9 is connected with the natural gas detector 10 through wires, the natural gas detector 10 and the connecting flange 7 are mutually matched, the gas content of the inner side of the protection pipe 2 is monitored by the natural gas detector 10, when leakage occurs at the joint, the detection information can be timely detected, and the wireless transmission module 9 is utilized to send the detection information to a remote end, so that personnel can timely find the leakage, accurately confirm the leakage position, and the practicability is improved;
the first pipeline 1 is the same with the structure of the second pipeline 6, the first pipeline 1 includes the protective layer 14, the medial surface of protective layer 14 is provided with heat preservation 13, the medial surface of heat preservation 13 is provided with anticorrosive coating 12, the medial surface of anticorrosive coating 12 is provided with inner wall 11, the protective layer 14 in the pipeline outside is made for insulating material, can be better prevent that the pipeline from meetting static, avoid static to make natural gas burn lead to the pipeline explosion, protective layer 14 is made for polyurethane material, can effectively keep pipeline temperature in the place that the temperature is low, prevent that the pipeline from freezing then breaking, the material of anticorrosive coating 12 is selected according to the service environment, anticorrosive coating 12 can effectively prevent that the pipeline from being corroded by chemical substance and damaging, reduce live time, form effective protection.
During operation, carry out fixed connection with first pipeline 1 and second pipeline 6 through flange 7 with the bolt, protect the junction of pipeline through protection tube 2, and protection tube 2 is when dismantling, through the connection installation of connecting block 5 to last pipeline 4 and lower pipeline 3, conveniently dismantle and maintain, and sealing baffle 201 can laminate first pipeline 1 and second pipeline 6, form sealed protection, thereby utilize natural gas detector 10 to monitor the inboard gas content of protection tube 2, when the junction takes place to leak, can in time be detected, and utilize wireless transmission module 9 to send the detection information to the remote end, personnel can in time discover to leak, and accurately confirm leaking the position, the practicality has been improved, and pipeline structure is provided with protective layer 14 and heat preservation 13, thereby prevent that the pipeline that can be better runs into static, avoid static to make natural gas burning lead to the pipeline explosion, and keep warm and isolate.
And all that is not described in detail in this specification is well known to those skilled in the art.
Claims (6)
1. The utility model provides a natural gas line low temperature station is heavy-calibre thick wall seamless steel pipe for field, includes first pipeline (1), its characterized in that: the rear end of first pipeline (1) is provided with second pipeline (6), both ends all fixed mounting have flange (7) around first pipeline (1) and second pipeline (6), the outside of flange (7) is provided with protection pipe (2), the surface in protection pipe (2) outside is provided with connecting block (5), the inboard of protection pipe (2) is provided with detection box (8), the lower extreme fixed mounting of detection box (8) has natural gas detector (10), the inboard fixed mounting of detection box (8) upper end has wireless transmission module (9).
2. The heavy caliber thick wall seamless steel pipe for a natural gas pipeline low temperature station yard according to claim 1, wherein the heavy caliber thick wall seamless steel pipe is characterized in that: the first pipeline (1) and the second pipeline (6) are detachably connected through the connecting flange (7), and the structures of the first pipeline (1) and the second pipeline (6) are identical.
3. The heavy caliber thick wall seamless steel pipe for a natural gas pipeline low temperature station yard according to claim 1, wherein the heavy caliber thick wall seamless steel pipe is characterized in that: the wireless transmission module (9) is connected with the natural gas detector (10) through wires, and the natural gas detector (10) and the connecting flange (7) are mutually matched.
4. The heavy caliber thick wall seamless steel pipe for a natural gas pipeline low temperature station yard according to claim 1, wherein the heavy caliber thick wall seamless steel pipe is characterized in that: the protection pipe (2) comprises an upper pipeline (4) and a lower pipeline (3), the upper pipeline (4) and the lower pipeline (3) are detachably connected through a connecting block (5), a detection box (8) is fixedly arranged at the lower end of the upper pipeline (4), and the protection pipe (2) is made of stainless steel.
5. The large-caliber thick-wall seamless steel pipe for a natural gas pipeline low-temperature station yard according to claim 4, wherein the large-caliber thick-wall seamless steel pipe comprises the following components: the sealing device is characterized in that sealing baffles (201) are fixedly connected to the front end and the rear end of the upper pipeline (4) and the lower pipeline (3), the inner side of the sealing baffles (201) is connected with the first pipeline (1) and the second pipeline (6) in a fitting mode, and sealing gaskets (202) are arranged on the inner side of the sealing baffles (201).
6. The heavy caliber thick wall seamless steel pipe for a natural gas pipeline low temperature station yard according to claim 1, wherein the heavy caliber thick wall seamless steel pipe is characterized in that: the first pipeline (1) comprises a protection layer (14), an insulation layer (13) is arranged on the inner side of the protection layer (14), an anti-corrosion layer (12) is arranged on the inner side of the insulation layer (13), an inner wall (11) is arranged on the inner side of the anti-corrosion layer (12), the protection layer (14) is made of an insulating material, and the insulation layer (13) is made of a polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321665222.6U CN219994770U (en) | 2023-06-28 | 2023-06-28 | Heavy-calibre thick wall seamless steel pipe for natural gas line low temperature station yard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321665222.6U CN219994770U (en) | 2023-06-28 | 2023-06-28 | Heavy-calibre thick wall seamless steel pipe for natural gas line low temperature station yard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219994770U true CN219994770U (en) | 2023-11-10 |
Family
ID=88610053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321665222.6U Active CN219994770U (en) | 2023-06-28 | 2023-06-28 | Heavy-calibre thick wall seamless steel pipe for natural gas line low temperature station yard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219994770U (en) |
-
2023
- 2023-06-28 CN CN202321665222.6U patent/CN219994770U/en active Active
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