CN204461151U - High-pressure natural gas vacuum furnace - Google Patents
High-pressure natural gas vacuum furnace Download PDFInfo
- Publication number
- CN204461151U CN204461151U CN201520131226.5U CN201520131226U CN204461151U CN 204461151 U CN204461151 U CN 204461151U CN 201520131226 U CN201520131226 U CN 201520131226U CN 204461151 U CN204461151 U CN 204461151U
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- Prior art keywords
- high pressure
- shell
- heat exchanger
- pipe
- natural gas
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000003345 natural gas Substances 0.000 title claims abstract description 25
- 239000000779 smoke Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000008676 import Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 4
- 239000010959 steel Substances 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 abstract description 3
- 238000009659 non-destructive testing Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the vacuum furnace that natural gas heats in petroleum industry, specifically a kind of high-pressure natural gas vacuum furnace.Comprise shell, flue, smoke pipe, heat exchanger, flue, smoke pipe to be arranged in shell and to be immersed in heat transfer medium water, and the top of flue and smoke pipe is provided with heat exchanger, and shell top is provided with vacuum valve; Described heat exchanger is the U-shaped pipe high pressure heat exchanger of the large radius U-bend that minor diameter seamless steel tube curves, described U-shaped pipe high pressure heat exchanger is separately installed with high pressure tubular plate type at the two ends of U-shaped pipe, and the import and export of heated medium is connected with described high pressure tubular plate type respectively by import and export high pressure flange.The utility model can reduce a large amount of posted sides pipeline butt welding, Non-Destructive Testing workload, reduces material consumption and manufacturing cost.
Description
Technical field
The utility model relates to the vacuum furnace that natural gas heats in petroleum industry, specifically a kind of high-pressure natural gas vacuum furnace.
Background technology
At present, the technique that petroleum industry natural gas extraction generally adopts is, high-pressure natural gas after extraction, needs first step-down from gas well, then carries out the purified treatment such as de-lighter hydrocarbons, dehydration, desulfurization, to reach the requirement of commercial natural gas.Due to exploit out in artesian well natural in containing the material such as certain water gaging, lighter hydrocarbons, implementing natural gas expansion step-down technique sharply can reduce because of natural gas temperature, and causes having solid water compound to produce in natural gas, and this material can block pipeline, valve.For avoiding the problems referred to above to produce, need to adopt heating furnace to carry out heat temperature raising to well producing natural gas as last in enforcement step-down.Gas heating furnace all adopts indirect heating manner, by gas-firing by the intermediate heat WATER AS FLOW MEDIUM heating in shell, intermediate medium water passes through the mode of water vapour condensation heat transfer or hot water different transfer of heat after absorbing heat, transfer heat to the heat exchange gas device being positioned at shell, by heated by natural gas.
The heat exchanger of conventional natural gas heating furnace generally adopts serpentine coil heat exchange structure, a kind of ultravacuum crude oil, gas heating furnace disclosed in CN 203837267 U.Adopt thick-wall elbow to connect between the coil pipe of coil heat exchanger, coil pipe external diameter is generally between 60mm-114mm; Because the well pressure of the natural gas well is very high, the design pressure of coil pipe also must very high (can reach more than 40MPa), contain the corrosive medium such as hydrogen sulfide, carbon dioxide in natural gas simultaneously, so also require the corrosion allowance of tube wall large (monolateral reach 4mm), cause the wall thickness of coil pipe very thick (20mm can be reached), cause contour size of the unit(s) large, floor space is large.Simultaneously for ensureing welding quality, the large divided edge structure of normal employing, adds welding difficulty, also increases welding job amount, and require that the gamma-rays of employing 100% detects, add manufacturing cost, extend the manufacturing cycle.
Utility model content
For the problems referred to above, the utility model provides a kind of high-pressure natural gas vacuum furnace.
The technical solution adopted in the utility model is:
A kind of high-pressure natural gas vacuum furnace, comprises shell, flue, smoke pipe, heat exchanger, and flue, smoke pipe to be arranged in shell and to be immersed in heat transfer medium water, and the top of flue and smoke pipe is provided with heat exchanger, and shell top is provided with vacuum valve; Described heat exchanger is the U-shaped pipe high pressure heat exchanger of the large radius U-bend that minor diameter seamless steel tube curves, described U-shaped pipe high pressure heat exchanger is separately installed with high pressure tubular plate type at the two ends of U-shaped pipe, and the import and export of heated medium is connected with described high pressure tubular plate type respectively by import and export high pressure flange.
During duty, flue and smoke pipe are immersed in the intermediate heat WATER AS FLOW MEDIUM in shell, and high pressure heat exchanger is positioned on the water surface; Heated medium enters high pressure heat exchanger by import high pressure flange, after the Steam Heating in shell, then enters outer defeated flow process by outlet high pressure flange; Operating pressure in operation in shell is all the time a little less than external atmosphere pressure.
Adopt the utility model of technique scheme, compared with prior art, its beneficial effect is:
Decrease the butt welding workload of a large amount of thick-walled pipes, reduce the labour intensity of workman; Reduce the appearance and size of heating furnace, reduce floor space; Reduce the expense of Non-Destructive Testing; Reduce material consumption and manufacturing cost; Shorten the manufacturing cycle.
As preferably, the utility model further technical scheme is:
Described U-shaped pipe high pressure heat exchanger is restrained by one group of U-shaped and is formed.
Described U-shaped pipe high pressure heat exchanger is restrained by two groups or more U-shaped and is formed, by serial connection pipe fitting series winding between U-shaped heat exchange of heat pipe.
Described U-shaped pipe is plugged in shell by shell afterbody end socket, for draw and insert-type assembles between U-shaped pipe and shell.
Described U-shaped pipe is plugged in shell by shell afterbody end socket, and is connected with shell afterbody end socket by the high pressure tubular plate type at its two ends, is fixed assembling between U-shaped pipe and shell.
Described smoke pipe is single flue structure or many flue structures.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model adopts single U tube high pressure heat exchanger;
Fig. 2 is the A direction view of Fig. 1;
Fig. 3 is the B-B direction view of Fig. 1;
Fig. 4 is that the utility model adopts two groups or more U-shaped to restrain the structural representation of high pressure heat exchanger;
Fig. 5 is the A direction view of Fig. 4;
In figure: 1-shell, 2-flue, 3-smoke pipe, 4-U shape pipe high pressure heat exchanger, 5-high pressure tubular plate type, 6-vacuum valve, 7-import high pressure flange, 8-exports high pressure flange, and 9-is connected in series pipe fitting.
Detailed description of the invention
Be described in detail to the utility model below in conjunction with embodiment, object is only better to understand the utility model content, the therefore restriction of the cited case not to the utility model content.
A kind of high-pressure natural gas vacuum furnace, see Fig. 1, Fig. 2, Fig. 3, primarily of shell 1, flue 2, smoke pipe 3, U-shaped pipe high pressure heat exchanger 4, high pressure tubular plate type 5, vacuum valve 6, import high pressure flange 7, outlet high pressure flange 8 forms, shell 1 is horizontal cylinder structure, flue 2 and smoke pipe 3 is provided with in shell 1 inside, smoke pipe 3 can be single flue also can be many smoke pipes, flue 2, smoke pipe 3 is immersed in the heat transfer medium water in shell 1, the top of flue 2 and smoke pipe 3 is provided with U-shaped pipe high pressure heat exchanger 4, and U-shaped pipe high pressure heat exchanger 4 is positioned on the heat transfer medium water surface, shell 1 top is provided with vacuum valve 6.
U-shaped pipe high pressure heat exchanger 4 is one group of large radius U-shaped pipe curved by minor diameter seamless steel tube, and the two ends of U-shaped pipe are separately installed with high pressure tubular plate type 5, and the U-shaped pipe mouth of pipe, through the pore on high pressure tubular plate type 5, firmly welds with high pressure tubular plate type 5 end face; The import and export of heated medium is connected and fixed by bolt with high pressure tubular plate type 5 respectively by import high pressure flange 7, outlet high pressure flange 8, and positiver sealing; Can assemble for draw and insert-type between U-shaped pipe high pressure heat exchanger 4 and shell 1, namely U-shaped pipe is plugged in shell 1 by shell 1 afterbody end socket, checks to facilitate and changes; Also permanent type between U-shaped pipe high pressure heat exchanger 4 and shell 1 can be adopted to fix encapsulate, namely U-shaped pipe is plugged in shell 1 by shell 1 afterbody end socket, and is connected and fixed with shell afterbody end socket by the high pressure tubular plate type 5 at its two ends.
The top of shell 1 is provided with vacuum valve 6, and when shell 1 internal pressure is higher than external environment atmospheric pressure, vacuum valve 6 can be open pressure release.
During duty, heated medium enters U-shaped pipe high pressure heat exchanger 4 by import high pressure flange 7, with the steam heat-exchanging in shell 1, then enters outer defeated flow process by outlet high pressure flange 8.
See Fig. 4, Fig. 5, according to heating furnace watt level, can install in the shell 1 of a heating furnace by two groups or more U-shaped restrain in the U-shaped pipe high pressure heat exchanger 4(figure formed be shown as group root), between U-shaped pipe by serial connection pipe fitting 9 contact; According to heating needs, often organize U-shaped pipe high pressure heat exchanger 4 and can be used alone, also can be connected by serial connection pipe fitting 28 is used.
The foregoing is only the better feasible embodiment of the utility model, not thereby interest field of the present utility model is limited to, the equivalent structure change that all utilization the utility model descriptions and accompanying drawing content are done, is all contained within interest field of the present utility model.
Claims (6)
1. a high-pressure natural gas vacuum furnace, comprises shell, flue, smoke pipe, heat exchanger, and flue, smoke pipe to be arranged in shell and to be immersed in heat transfer medium water, and the top of flue and smoke pipe is provided with heat exchanger, and shell top is provided with vacuum valve; It is characterized in that: described heat exchanger is the U-shaped pipe high pressure heat exchanger of the large radius U-bend that minor diameter seamless steel tube curves, described U-shaped pipe high pressure heat exchanger is separately installed with high pressure tubular plate type at the two ends of U-shaped pipe, and the import and export of heated medium is connected with described high pressure tubular plate type respectively by import and export high pressure flange.
2. high-pressure natural gas vacuum furnace according to claim 1, is characterized in that: described U-shaped pipe high pressure heat exchanger is restrained by one group of U-shaped and formed.
3. high-pressure natural gas vacuum furnace according to claim 1, is characterized in that: described U-shaped pipe high pressure heat exchanger is restrained by two groups or more U-shaped and formed, by serial connection pipe fitting series winding between U-shaped heat exchange of heat pipe.
4. the high-pressure natural gas vacuum furnace according to Claims 2 or 3, is characterized in that: described U-shaped pipe is plugged in shell by shell afterbody end socket, for draw and insert-type assembles between U-shaped pipe and shell.
5. the high-pressure natural gas vacuum furnace according to Claims 2 or 3, it is characterized in that: described U-shaped pipe is plugged in shell by shell afterbody end socket, and be connected with shell afterbody end socket by the high pressure tubular plate type at its two ends, be fixed assembling between U-shaped pipe and shell.
6. high-pressure natural gas vacuum furnace according to claim 1, is characterized in that: described smoke pipe is single flue structure or many flue structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520131226.5U CN204461151U (en) | 2015-03-09 | 2015-03-09 | High-pressure natural gas vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520131226.5U CN204461151U (en) | 2015-03-09 | 2015-03-09 | High-pressure natural gas vacuum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204461151U true CN204461151U (en) | 2015-07-08 |
Family
ID=53668024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520131226.5U Active CN204461151U (en) | 2015-03-09 | 2015-03-09 | High-pressure natural gas vacuum furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204461151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741167A (en) * | 2017-09-16 | 2018-02-27 | 深圳供电局有限公司 | Corrosion-resistant heat exchanger |
-
2015
- 2015-03-09 CN CN201520131226.5U patent/CN204461151U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741167A (en) * | 2017-09-16 | 2018-02-27 | 深圳供电局有限公司 | Corrosion-resistant heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200921 Address after: 100000 Beijing city Dongcheng District No. 16 Andrew Patentee after: PetroChina Company Limited Address before: 063200, 27, Xincheng Avenue, Caofeidian District, Hebei, Tangshan City Patentee before: TANGSHAN JIDONG PETROLEUM MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201010 Address after: No.10 Guoan Road, comprehensive bonded zone, Caofeidian Industrial Zone, Tangshan City, Hebei Province Patentee after: TANGSHAN JIDONG PETROLEUM MACHINERY Co.,Ltd. Patentee after: PetroChina Company Limited Address before: 100000 Beijing city Dongcheng District No. 16 Andrew Patentee before: PetroChina Company Limited |