CN203131333U - Heavy oil pipe buried under ground and passing through road - Google Patents
Heavy oil pipe buried under ground and passing through road Download PDFInfo
- Publication number
- CN203131333U CN203131333U CN201320106651XU CN201320106651U CN203131333U CN 203131333 U CN203131333 U CN 203131333U CN 201320106651X U CN201320106651X U CN 201320106651XU CN 201320106651 U CN201320106651 U CN 201320106651U CN 203131333 U CN203131333 U CN 203131333U
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- heavy oil
- road
- pipe
- passes
- oil pipeline
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Abstract
The utility model relates to a heavy oil pipe buried under the ground and passing through the road. The heavy oil pipe buried under the ground and passing through the road comprises an inner pipe, an insulation layer and a tracing pipe, wherein the inner pipe is coated by the insulation layer, and the tracing pipe is arranged in the insulation layer. The heavy oil pipe buried under the ground and passing through the road further comprises a plurality of positioning plates which are arranged in the radial direction of the inner pipe on the outer surface of the inner pipe and in the insulation layer. By arranging the positioning plates, insulation materials are protected and the inner pipe is guided and positioned.
Description
Technical field
The utility model relates to petrochemical industry, particularly relates to a kind of buried heavy oil pipeline that passes through road.
Background technique
In petrochemical plant, when passing through road for the single heavy oil pipeline, should not adopt built on stilts and in-duct installation mode, be optimal selection and adopt the buried-pipe laying mode.Because heavy oil solidifies than being easier at normal temperatures, so such pipeline all adopts insulation companion hot compress to establish mode usually.Production behaviour in service according to present state inside thermal conservation material, no matter be which kind of thermal insulating material contacts with soil when it for a long time, just inevitably can be subjected to influences such as soil moisture, corrosivity, thereby reduction heat insulation effect, waste energy, if untimelyly pinpoint the problems and deal with problems, even can have influence on device long period, safe, stable operation.
Carrying out the design of the heavy oil pipeline that passes through road, make insulation companion heat reach optimum efficiency, avoid thermal insulating material too much to absorb the moisture of soil, the corrosive environment of opposing soil complexity, is the key of guaranteeing petrochemical plant device long period, safe handling.
Because the defective that the above-mentioned existing buried heavy oil pipeline that passes through road exists, the utility model people is based on being engaged in practical experience and the professional knowledge that this type of product specification manufacturing is enriched for many years, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of new buried heavy oil pipeline that passes through road, can improve the general existing buried heavy oil pipeline that passes through road, make it have more practicability.Through constantly research, design, and through after studying sample and improvement repeatedly, create the utility model that has practical value finally.
Summary of the invention
Main purpose of the present utility model is; overcome the defective that the existing buried heavy oil pipeline that passes through road exists; and provide a kind of buried heavy oil pipeline that passes through road of new structure; technical problem to be solved is the setting by positioning plate; the protection thermal insulating material; and internally pipe plays the guide-localization effect, is very suitable for practicality.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.According to the buried heavy oil pipeline that passes through road that the utility model proposes, comprise interior pipe, thermal insulation layer and TRACER, this thermal insulation layer is coated on outside this interior pipe, this TRACER is located in this thermal insulation layer, it also comprises a plurality of positioning plates, and those positioning plates are arranged on along interior caliber to direction on this inner tube outer surface and in this thermal insulation layer.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
The aforesaid buried heavy oil pipeline that passes through road, wherein the quantity of this positioning plate is 3 or 4.
The aforesaid buried heavy oil pipeline that passes through road, wherein those positioning plates are for being arranged on equally spacedly on this inner tube outer surface
The aforesaid buried heavy oil pipeline that passes through road, it also comprises jacket pipe, this jacket pipe is arranged on the outside of this thermal insulation layer.
The aforesaid buried heavy oil pipeline that passes through road, wherein this jacket pipe in part above ground level arranges rain visor.
The aforesaid buried heavy oil pipeline that passes through road wherein in this jacket pipe position above ground level 1 meter, arranges rain visor.
The aforesaid buried heavy oil road that passes through road wherein has 45 ° of angles between this rain visor and interior pipe.
The aforesaid buried heavy oil road that passes through road, wherein this rain visor and jacket pipe spacing are 10mm, between eaves and jacket pipe 30mm are arranged under the rain visor.
By technique scheme, a kind of buried heavy oil pipeline that passes through road of the utility model has following advantage and beneficial effect at least:
1. the setting of positioning plate both played a protective role to thermal insulating material, and internally pipe plays the guide-localization effect again;
2. the thermal insulation pipe outside is sealed with jacket pipe, and the corrosion rate of pipe has reduced the loss of TRACER road heat to greatest extent in delaying, and takes full advantage of heat, reduces the power consumption of device;
3. the setting of rain visor has prevented the erosion of rainwater to greatest extent, reduces the maintenance frequency of pipeline.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the buried radial section schematic representation that passes through the heavy oil pipeline of road of the present utility model.
Fig. 2 is the buried axial section schematic representation that passes through the heavy oil pipeline of road of the present utility model.
Fig. 3 is the thin portion in A portion chuck end schematic representation among Fig. 2.
Embodiment
Be to reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to according to a kind of buried its embodiment of heavy oil pipeline, structure, method, step, feature and the effect thereof of passing through road that the utility model proposes, describe in detail as after.
See also Fig. 1 and Fig. 2, in one embodiment, the buried heavy oil pipeline that passes through road of the present utility model, pipe 1, thermal insulation layer 2, a plurality of positioning plate 3 and TRACER 4 in it comprises, those positioning plates 3 are arranged on along interior caliber to direction in this on outer surface of pipe 1 and in this thermal insulation layer 2, are typically chosen in even setting; And more preferably, the quantity of those positioning plates is 3 or 4, most preferably is 4, and namely angle is 90 ° between each positioning plate; More preferably, this heavy oil pipeline also comprises jacket pipe 5, and this jacket pipe 5 is arranged on the outside of this thermal insulation layer 2.The damage that this positioning plate can prevent thermal insulating material is set.
More preferably, in the overhead position of this jacket pipe, preferred position above ground level about 1 meter arranges rain visor, and as shown in Figures 2 and 3, in this embodiment, 1 of this rain visor 6 and interior pipe have 45 ° of angles, so that rainwater is in time drained; Spacing should guarantee 10mm～20mm between rain visor 6 and the jacket pipe 5, preferred 10mm, and eaves and sleeve pipe should guarantee 30mm under the rain visor.
The aforesaid buried method for embedding that passes through the heavy oil pipeline of road of the present utility model specifically may further comprise the steps:
(1) ground, oil pipe road is prefabricated: the buried heavy oil pipeline that passes through road is grouping, welds according to drawing and related specifications on the ground, and is integral prefabricated to the ground more than 1.5 meters.Welded joint that will be hidden is carried out 100% radiographic inspection, all qualified;
(2) making of positioning plate: after the heavy oil pipe prefabrication finishes, weld positioning plate by drawing at pipeline external surface.The position of positioning plate, spacing, the orientation should be according to drawing making, the influence when the positioning plate size on the standpipe direction should consider also that the heat in oil pipe road rises.Positioning plate carries out the hydrostatic test to this part heavy oil pipeline integral body after all welding finishes, and enters next procedure after qualified.The positioning plate design form sees Fig. 1 for details, in this embodiment, positioning plate be inner tube outer surface along interior caliber to spaced set totally 4 parallel positioning plates, in other embodiments, also 3 parallel positioning plates can be set in the same manner;
(3) companion's heat, the insulation of heavy oil pipeline: after the heavy oil pipeline pressure test is qualified, accompany heat, insulation to make.TRACER 4 and thermal insulating material should conscientiously be tied up by the related specifications requirement, with Drop-proof.TRACER also should be carried out the hydrostatic test after making and finishing, and guarantees ne-leakage after the TRACER ordinary production of buried part;
(4) jacket pipe 5 is made: jacket pipe 5 and elbow are paralleled to the axis the incision back to being buckled on the interior pipe 1 of carrying out insulation, cut directions along jacket pipe 5 then jacket pipe 5 is docked, welds.Will note internally managing thermal insulation layer 2 in the time of jacket pipe 5 welding and protect, the high temperature that produces when preventing from welding damages thermal insulation layer.After jacket pipe is made and finished, carry out outside surface anticorrosion by designing requirement and handle; This step is nonessential step, in other embodiments, also jacket pipe can unnecessaryly be set;
(5) integral hoisting is in place, hidden: in lifting, hidden process, note the quality protection to jacket pipe outside surface anticorrosion layer.
More preferably, said method further comprises: the making of (6) rain visor: jacket pipe 5 is made 1 meter to the ground, and the end is sealed with pipe cap, and available waterproof is located in the slit of heavy oil pipeline and pipe cap, incombustible material is clogged.At pipe cap top welding rain visor 6, rain visor 6 and the 100% airtight welding of heavy oil pipeline can use the thick steel plate field fabrication of 6mm.Rain visor 6 guarantees 45 ° of angles with interior pipe 1, so that rainwater is in time drained.Rain visor 6 should guarantee 10～20mm with the spacing of jacket pipe 5, and preferred 10mm, 6 times eaves of rain visor and jacket pipe 5 should guarantee about 30mm that concrete size is seen Fig. 2 and Fig. 3.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. buried heavy oil pipeline that passes through road, comprise interior pipe, thermal insulation layer and TRACER, this thermal insulation layer is coated on outside this interior pipe, this TRACER is located in this thermal insulation layer, it is characterized in that it also comprises a plurality of positioning plates, those positioning plates are arranged on along interior caliber to direction on this inner tube outer surface and in this thermal insulation layer.
2. the buried heavy oil pipeline that passes through road according to claim 1, the quantity that it is characterized in that those positioning plates is 3 or 4.
3. the buried heavy oil pipeline that passes through road according to claim 1 and 2 is characterized in that those positioning plates are for being arranged on equally spacedly on this inner tube outer surface.
4. the buried heavy oil pipeline that passes through road according to claim 3 is characterized in that it also comprises jacket pipe, and this jacket pipe is arranged on the outside of this thermal insulation layer.
5. the buried heavy oil pipeline that passes through road according to claim 4 is characterized in that at this jacket pipe of part above ground level rain visor being set.
6. the buried heavy oil pipeline that passes through road according to claim 5 is characterized in that in this jacket pipe position above ground level 1 meter rain visor being set.
7. according to claim 5 or the 6 described buried heavy oil pipelines that pass through road, it is characterized in that having 45 ° of angles between this rain visor and interior pipe.
8. according to claim 5 or the 6 described buried heavy oil pipelines that pass through road, it is characterized in that spacing is 10mm between this rain visor and the jacket pipe, between eaves and jacket pipe 30mm is arranged under the rain visor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320106651XU CN203131333U (en) | 2013-03-08 | 2013-03-08 | Heavy oil pipe buried under ground and passing through road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320106651XU CN203131333U (en) | 2013-03-08 | 2013-03-08 | Heavy oil pipe buried under ground and passing through road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203131333U true CN203131333U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320106651XU Expired - Fee Related CN203131333U (en) | 2013-03-08 | 2013-03-08 | Heavy oil pipe buried under ground and passing through road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203131333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836308A (en) * | 2013-03-08 | 2014-06-04 | 洛阳瑞泽石化工程有限公司 | Buried through road heavy oil pipe and buried method of buried through road heavy oil pipe |
-
2013
- 2013-03-08 CN CN201320106651XU patent/CN203131333U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103836308A (en) * | 2013-03-08 | 2014-06-04 | 洛阳瑞泽石化工程有限公司 | Buried through road heavy oil pipe and buried method of buried through road heavy oil pipe |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20170308 |