CN204879457U - High temperature oil pipeline's exothermic structure - Google Patents
High temperature oil pipeline's exothermic structure Download PDFInfo
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- CN204879457U CN204879457U CN201520625756.5U CN201520625756U CN204879457U CN 204879457 U CN204879457 U CN 204879457U CN 201520625756 U CN201520625756 U CN 201520625756U CN 204879457 U CN204879457 U CN 204879457U
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- transport pipeline
- oil transport
- ventilation pipe
- oil pipeline
- high temperature
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Abstract
The utility model discloses a high temperature oil pipeline's exothermic structure, including tuber pipe structure and insulation construction. The tuber pipe structure includes the longitudinal ventilation pipe and inverts L shape ventilation pipe, invert L shape ventilation pipe bottom with elevating above the soil in the perpendicular connection of longitudinal ventilation pipe, top, follows the distribution of longitudinal ventilation pipe length direction has a plurality ofly invert L shape ventilation pipe, two the tuber pipe structure sets up in the oil pipeline both sides, longitudinal ventilation pipe with oil pipeline is parallel, insulation construction includes heat preservation and socle heated board, and the heat preservation parcel is outside at oil pipeline, and the oil pipeline lower part is arranged in to the socle heated board, along the oil pipeline wide bed. The utility model discloses can be effectual heat among the messenger oil pipeline pass through the tuber pipe structure and scatter and disappear to the atmosphere in to through insulation construction separation and the thermal entering of reduction, guarantee the ever -frozen ground and distinguish the long term stability of oil pipeline structure.
Description
Technical field
The utility model relates to Crude Oil Transportation equipment manufacturing technology field, especially a kind of heat radiation structure of high temperature oil transport pipeline.
Background technique
Permafrost Area oil transport pipeline Major Diseases melts by Near Pipelines permafrost the subsidence, pipe trench ponding, the pipe trench soil body that cause to split sunken etc.Research shows, current Sino-Russian oil transport pipeline oil temperature higher (oil temperature of 2011 and 2012 monitorings is at 0.42 DEG C to 16.2 DEG C), when burying underground by permafrost, hot-fluid is constantly by pipeline soil body diffusion towards periphery, break original thermal equilibrium, facilitated the thawing of permafrost, Upper Limit of Permafrost is constantly declined, cause the sedimentation of the pipeline soil body, make pipeline configuration loses stability.For ensureing oil transport pipeline structure stability, the thermostability of the permafrost of pipeline must be ensured, namely take a series of engineering measure that pipeline permafrost is not degenerated.Traditional method takes pipe insulating layer to carry out insulation process to pipeline, reduces heat transmission to transport velocity in permafrost.Field monitoring data show, compared with the oil transport pipeline without measure, the heat insulation measures soil temperature lower same period is lower, but Upper Limit of Permafrost still has remarkable reduction.Heat insulation measures reduces density of heat flow rate, slow down the speed of the heat soil body diffusion towards periphery in oil transport pipeline, this passive heat insulation measures can not effectively ensure that permafrost is not degenerated for a long time, and other measures must be adopted to ensure the bottom frozen soil long-term thermal stability of oil transport pipeline.
Transversal ventilation pipe, as a kind of cheap and significant measure of cooling-down effect, is widely used in highway, railway bed, forms active cooling roadbed, ensure the thermostability of roadbed bottom permafrost.In a freezing and thawing cycle, the cold energy entered in the permafrost of roadbed bottom is greater than the heat energy of absorption, and cold energy remains, and makes frozen soil " cooling ", does not degenerate, ensure that the thermostability of permafrost.Oil Transportation Pipeline Engineering and road engineering are all linear engineerings, but the buried underground of pipeline, adopt transversal ventilation pipe to carry out heavy excavation, comparatively serious to the destruction of frozen soil environment, and forced-convection heat transfer cannot be utilized to cool the carrying out of frozen soil.
Model utility content
The utility model is for the deficiencies in the prior art, a kind of heat radiation structure of high temperature oil transport pipeline is proposed, the heat in oil transport pipeline can be effectively made to be lost in air by ventilation duct, intercept and reduce the heat entering frozen soil around, avoid permafrost degradation, ensure the long time stability of oil transport pipeline structure.
In order to realize above-mentioned model utility object, the utility model provides following technological scheme:
A kind of heat radiation structure of high temperature oil transport pipeline, comprise air duct structure, described air duct structure comprises longitudinal ventilation pipe and is inverted L shape ventilation duct, described inversion L shape ventilation duct bottom and described longitudinal ventilation pipe be vertical to be connected, elevate above the soil in top, some described inversion L shape ventilation ducts are had along described longitudinal ventilation length of tube directional spreding
Two described air duct structures are arranged at oil transport pipeline both sides, and described longitudinal ventilation pipe is parallel with described oil transport pipeline.
Further, described inversion L shape ventilation duct top bending direction is vertical with the bearing of trend of longitudinal ventilation pipe.
Further, the overbending direction of adjacent on same described longitudinal ventilation pipe two described inversion L shape ventilation ducts is contrary.
Further, the top kink of described inversion L shape ventilation duct is arc, and described kink port is downward.
Further, below described oil transport pipeline, be provided with bottom holding plates,
Described bottom holding plates is horizontally disposed with, and length is corresponding with described oil transport pipeline length, and the distance between width with two described air duct structures is corresponding.
Further, thermal insulation layer is had in described oil transport pipeline outer wrap.
The heat radiation structure of a kind of high temperature oil transport pipeline of the utility model, the heat in oil transport pipeline can be effectively made to be lost in air by ventilation duct, intercept and reduce the heat entering frozen soil around, avoiding permafrost degradation, ensureing the long time stability of oil transport pipeline structure.
Accompanying drawing explanation
Fig. 1 is the schematic front view of the heat radiation structure of a kind of high temperature oil transport pipeline described in the utility model;
Fig. 2 is the schematic perspective view of the heat radiation structure of a kind of high temperature oil transport pipeline described in the utility model.
Embodiment
Be described in detail the utility model below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should not have any restriction to protection domain of the present utility model.
The heat radiation structure of a kind of high temperature oil transport pipeline as illustrated in fig. 1 and 2, comprise air duct structure, air duct structure comprises longitudinal ventilation pipe 3 and is inverted L shape ventilation duct 6, be inverted L shape ventilation duct 6 bottom and longitudinal ventilation pipe 3 vertical be connected and be communicated with, top elevates above the soil from soil 5, longitudinally ventilation duct 3 length direction is distributed with some inversion L shape ventilation ducts 6
Two air duct structures are arranged at oil transport pipeline 1 both sides, and longitudinal ventilation pipe 3 is parallel with oil transport pipeline 1.
Be inverted L shape ventilation duct 6 top bending direction vertical with the bearing of trend of longitudinal ventilation pipe 3.
Two adjacent on same longitudinal ventilation pipe 3 overbending directions being inverted L shape ventilation duct 6 are contrary.
The top kink 6 being inverted L shape ventilation duct 6 is arc, and kink 6 port is downward.
Bottom holding plates 2 is provided with below oil transport pipeline 1,
Bottom holding plates 2 is horizontally disposed with, and length is corresponding with oil transport pipeline 1 length, and the distance between width with two air duct structures is corresponding.
Thermal insulation layer 7 is had in described oil transport pipeline 1 outer wrap.
Each parts make material and related data parameter is:
Thermal insulation layer 7, its material is plastic, thermal-insulation material, and thermal conductivity is not more than 0.03W.m
-1.K
-1, thickness is 5cm to 10cm.
Bottom holding plates 2, its material is plastic, thermal-insulation material, and thermal conductivity is not more than 0.03W.m
-1.K
-1, thickness is 8cm to 15cm, distance pipe insulating layer 7 external diameter 10cm to 30cm.
Longitudinal ventilation pipe 3 material is concrete or steel, and external diameter is 20cm to 60cm, if concrete, then its thickness of pipe wall is 5cm to 10cm, if steel, then its wall thickness is 5mm to 10mm, and longitudinal ventilation pipe 3 is 10cm to 40cm with the external diameter spacing of thermal insulation layer 7.
Be inverted the material of L shape ventilation duct 6 and the consistent of longitudinal ventilation pipe 3, external diameter is 20cm to 40cm, if concrete, then its thickness of pipe wall is 3cm to 6cm, if steel, then its wall thickness is 5mm to 10mm; Adjacent two inversion L shape ventilation duct 6 spacing are 5m to 20m, and it is 0.5m to 1.5m that top exceeds natural surface height.
Concrete setting method is as follows:
After natural surface is excavated to designed elevation, the end, hole lay 30cm thick in, coarse sand carries out changing filling out, more longitudinally laying depth is 8cm, the wide bottom holding plates 2 for 3m, and lays the thick fine sand of 10cm thereon, buried depth 2.65m bottom bottom holding plates 2.
Oil transport pipeline 1 external diameter 813mm, wall thickness 16mm, thick at its outer wall parcel is the thermal insulation layer 7 of 8cm, places it in afterwards on fine sand layer, wherein thermal insulation layer 7 top buried depth 1.5m.
Longitudinal ventilation pipe 3 makes at the scene, external diameter 40cm, wall thickness 5cm, often long 5 to the 10m of joint, parallel with oil transport pipeline 1, and two joint longitudinal ventilation pipes 3 symmetries are placed, and is 10cm respectively with the level interval of thermal insulation layer 7 external diameter; Space fine sand between longitudinal ventilation pipe 3 and thermal insulation layer 7 is filled.
Be inverted L shape ventilation duct 6 to make at the scene, external diameter 20cm, wall thickness 3cm, be connected with longitudinal ventilation pipe 3, and the spacing that adjacent company is inverted between L shape ventilation duct 6 is 5m, and top exceeds natural surface 0.5m.
The heat radiation structure of a kind of high temperature oil transport pipeline of the utility model, the heat in oil transport pipeline can be effectively made to be lost in air by ventilation duct, intercept and reduce the heat entering frozen soil around, avoiding permafrost degradation, ensureing the long time stability of oil transport pipeline structure.
Its advantage is: the first, in longitudinal direction, even if the strong convection heat exchange that longitudinal ventilation pipe winter also can be formed under the very little temperature difference i.e. " high stack effect "; The second, in transverse direction, inversion L shape ventilation duct mouth of pipe interlaced arrangement is conducive to the forced-convection heat transfer under different wind direction effect; 3rd, the downward mouth of pipe can avoid Snow dritf or soil sand etc. to enter blocking ventilation duct.
Component materials involved by the utility model is common earth working material, and cost is low, and working procedure is few, and later maintenance is simple.During total construction, carry out with oil transport pipeline excavation construction simultaneously; Thermal insulation layer and pipe trench bottom holding plates material are plastic, thermal-insulation material, directly can install at the scene, lay after produce in factory; Longitudinal ventilation pipe and inverted L shape chimney material can be concrete or steel, can be prefabricated at the construction field (site), then carry out assembled.
Claims (6)
1. the heat radiation structure of a high temperature oil transport pipeline, it is characterized in that, comprise air duct structure, described air duct structure comprises longitudinal ventilation pipe and is inverted L shape ventilation duct, described inversion L shape ventilation duct bottom and described longitudinal ventilation pipe be vertical to be connected, elevate above the soil in top, some described inversion L shape ventilation ducts are had along described longitudinal ventilation length of tube directional spreding
Two described air duct structures are arranged at oil transport pipeline both sides, and described longitudinal ventilation pipe is parallel with described oil transport pipeline.
2. the heat radiation structure of a kind of high temperature oil transport pipeline as claimed in claim 1, it is characterized in that, described inversion L shape ventilation duct top bending direction is vertical with the bearing of trend of longitudinal ventilation pipe.
3. the heat radiation structure of a kind of high temperature oil transport pipeline as claimed in claim 2, is characterized in that, the overbending direction of two adjacent on same described longitudinal ventilation pipe described inversion L shape ventilation ducts is contrary.
4. as described in as arbitrary in claims 1 to 3, a kind of heat radiation structure of high temperature oil transport pipeline, is characterized in that, the top kink of described inversion L shape ventilation duct is arc, and described kink port is downward.
5. the heat radiation structure of a kind of high temperature oil transport pipeline as claimed in claim 1, is characterized in that, below described oil transport pipeline, be provided with bottom holding plates,
Described bottom holding plates is horizontally disposed with, and length is corresponding with described oil transport pipeline length, and the distance between width with two described air duct structures is corresponding.
6. the heat radiation structure of a kind of high temperature oil transport pipeline as claimed in claim 1, is characterized in that there is thermal insulation layer in described oil transport pipeline outer wrap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520625756.5U CN204879457U (en) | 2015-08-19 | 2015-08-19 | High temperature oil pipeline's exothermic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520625756.5U CN204879457U (en) | 2015-08-19 | 2015-08-19 | High temperature oil pipeline's exothermic structure |
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| Publication Number | Publication Date |
|---|---|
| CN204879457U true CN204879457U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520625756.5U Expired - Fee Related CN204879457U (en) | 2015-08-19 | 2015-08-19 | High temperature oil pipeline's exothermic structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065916A (en) * | 2015-08-19 | 2015-11-18 | 中国科学院寒区旱区环境与工程研究所 | Heat release structure of high-temperature oil conveying pipeline |
| NL2025795A (en) * | 2019-06-20 | 2020-09-25 | Northwest Inst Of Eco Environment And Resources Chinese Academy Of Sciences | Cooling System for High-Temperature Transportation Pipeline in Frozen Soil Region |
| CN114812355A (en) * | 2022-05-06 | 2022-07-29 | 江苏清源管道技术有限公司 | Parallel section construction process for oil pipeline |
-
2015
- 2015-08-19 CN CN201520625756.5U patent/CN204879457U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065916A (en) * | 2015-08-19 | 2015-11-18 | 中国科学院寒区旱区环境与工程研究所 | Heat release structure of high-temperature oil conveying pipeline |
| NL2025795A (en) * | 2019-06-20 | 2020-09-25 | Northwest Inst Of Eco Environment And Resources Chinese Academy Of Sciences | Cooling System for High-Temperature Transportation Pipeline in Frozen Soil Region |
| CN114812355A (en) * | 2022-05-06 | 2022-07-29 | 江苏清源管道技术有限公司 | Parallel section construction process for oil pipeline |
| CN114812355B (en) * | 2022-05-06 | 2024-02-09 | 江苏清源管道技术有限公司 | Parallel section construction process of oil pipeline |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20190819 |
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| CF01 | Termination of patent right due to non-payment of annual fee |