CN214222383U - Go out ground vertical section waterproof construction of prefabricated direct-burried heat preservation steam conduit - Google Patents
Go out ground vertical section waterproof construction of prefabricated direct-burried heat preservation steam conduit Download PDFInfo
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- CN214222383U CN214222383U CN202022651120.1U CN202022651120U CN214222383U CN 214222383 U CN214222383 U CN 214222383U CN 202022651120 U CN202022651120 U CN 202022651120U CN 214222383 U CN214222383 U CN 214222383U
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Abstract
The utility model discloses a prefabricated direct-burried heat preservation steam conduit's play ground vertical section waterproof construction has solved the problem that current prefabricated direct-burried steam conduit's play ground vertical section takes place the rainwater easily and gets into the heat preservation. The anti-rain-proof device comprises a ground vertical section inner pipe (1) and an above-ground connecting section inner pipe (4), wherein a heat-insulating layer and an outer protective sleeve are arranged outside the two inner pipes, an upper port of the ground vertical section inner pipe (1) is in butt joint with a lower port of the above-ground connecting section inner pipe (4), a sealing compensation corrugated pipe (9) is connected between a lower port of the above-ground connecting section outer protective sleeve (6) and an upper port of the above-ground vertical section outer protective sleeve (3), an annular gap (7) formed by butt joint is sealed by the sealing compensation corrugated pipe (9), and an annular rain-proof eaves (10) is arranged on the outer side wall of the above-ground connecting section outer protective sleeve (6) above the sealing compensation corrugated pipe (9). The operation energy consumption and the water consumption of the direct-buried steam pipeline are reduced, and the economical efficiency of the system operation is improved.
Description
Technical Field
The utility model relates to a prefabricated direct-burried heat preservation steam conduit, in particular to prefabricated direct-burried heat preservation steam conduit's play ground vertical section waterproof construction.
Background
The prefabricated direct-buried steam pipeline is used for conveying steam, and structurally comprises an inner pipe, a heat insulation layer and an outer protection barrel, wherein the heat insulation layer wraps the outer part of the inner pipe for conveying steam, and the outer protection barrel is arranged outside the heat insulation layer; because the temperature of the steam conveyed in the inner pipe is higher, a fit clearance is generally arranged between the heat-insulating layer and the outer protective cylinder so as to meet the requirement of high-temperature expansion of the inner pipe; the prefabricated direct-buried steam pipeline is buried in the ground, after the vertical section of the prefabricated direct-buried steam pipeline embedded in the underground soil is excavated, the prefabricated direct-buried steam pipeline is butted with a connecting pipeline on the ground, at the butt joint position, a ring-shaped gap is formed at the butt joint position between an outer protecting cylinder of the connecting pipeline on the ground and an outer protecting cylinder of the vertical section of the pipeline embedded in the underground soil, in order to prevent rainwater from entering a heat insulation layer in the protecting cylinder through the ring-shaped gap, a ring-shaped rain-proof brim is generally welded on the outer protecting cylinder above the ring-shaped gap, however, after the prefabricated direct-buried steam pipeline is put into operation, high-temperature steam in an inner pipe can often expand the inner pipe to cause the radial displacement of the prefabricated direct-buried steam pipeline, the ring-shaped gap formed at the butt joint position is displaced to the outside of the ring-shaped rain-proof brim, the rainwater enters the polyurethane heat insulation layer to cause the increase of the heat dissipation capacity of the steam pipeline and the increase of heat loss, the hydrophobic quantity is increased, the energy consumption and the water consumption of the system operation are large, and explosion accidents can also occur in serious conditions.
Disclosure of Invention
The utility model provides a prefabricated direct-burried heat preservation steam conduit's play ground vertical section waterproof construction has solved the technical problem that the rainwater got into the heat preservation takes place easily for the play ground vertical section of current prefabricated direct-burried steam conduit.
The utility model discloses a solve above technical problem through following technical scheme:
a waterproof structure of a ground-out vertical section of a prefabricated direct-buried heat-insulation steam pipeline comprises a ground-out vertical section pipe and an above-ground connecting section pipe, wherein a ground-out vertical section heat-insulation layer is arranged outside the ground-out vertical section pipe, a ground-out vertical section protective sleeve is arranged outside the ground-out vertical section heat-insulation layer, an annular gap in the ground-out vertical section pipe is arranged between the ground-out vertical section protective sleeve and the ground-out vertical section heat-insulation layer, a sealing sleeve is sleeved on an upper port of the ground-out vertical section protective sleeve, an above-ground connecting section heat-insulation layer is arranged outside the above-ground connecting section pipe, an above-ground connecting section protective sleeve is arranged outside the above-ground connecting section heat-insulation layer, an annular sealing plate is arranged at the top end of the ground-out vertical section heat-insulation layer, the annular sealing plate is welded on the outer side wall of the ground-out vertical section pipe, the upper port of the ground-out vertical section pipe is butt-welded with the lower port of the above-ground connecting section pipe, the ground connecting section protects a lap joint on the annular seal plate, the lower port of a sealing cylinder and the outer side wall of a ground vertical section protecting cylinder are welded together, a sealing compensation corrugated pipe is connected between the upper port of the sealing cylinder and the outer side of the annular seal plate, an annular gap in the ground vertical section protecting cylinder is sealed by the sealing compensation corrugated pipe, and an annular rain-proof eaves is arranged on the outer side wall of the ground connecting section protecting cylinder above the sealing compensation corrugated pipe.
The included angle between the annular rain-proof eaves and the outer side wall of the outer protective cylinder at the overground connecting section is 85 degrees.
The utility model discloses effectively prevented that prefabricated direct-burried heat preservation steam conduit's the heat preservation in the perpendicular section of play ground from intaking, reduced direct-burried steam conduit operation energy consumption, water consumption, the economic nature of improvement system operation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
a waterproof structure of a ground-out vertical section of a prefabricated direct-buried heat-insulation steam pipeline comprises a ground-out vertical section pipe 1 and an above-ground connecting section pipe 4, wherein a ground-out vertical section heat-insulation layer 2 is arranged outside the ground-out vertical section pipe 1, a ground-out vertical section protection barrel 3 is arranged outside the ground-out vertical section heat-insulation layer 2, an above-ground connecting section heat-insulation layer 5 is arranged between the ground-out vertical section protection barrel 3 and the ground-out vertical section heat-insulation layer 2, an annular gap 11 in the ground-out vertical section pipe is arranged, a sealing barrel 7 is sleeved at the upper port of the ground-out vertical section protection barrel 3, an above-ground connecting section heat-insulation layer 5 is arranged outside the above-ground connecting section pipe 4, an above-ground connecting section protection barrel 6 is arranged outside the above-ground connecting section heat-insulation layer 5, an annular sealing plate 8 is arranged at the top end of the ground-out vertical section heat-insulation layer 2, the annular sealing plate 8 is welded on the outer side wall of the ground-out vertical section pipe 1, the upper port of the ground-out vertical section pipe 1 is butt-out vertical section pipe 1 and welded with the lower port of the above-ground connecting section pipe 4, the ground connecting section protecting cylinder 6 is lapped on an annular sealing plate 8, the lower port of a sealing cylinder 7 is welded with the outer side wall of the ground vertical section outer protecting cylinder 3, a sealing compensation corrugated pipe 9 is connected between the upper port of the sealing cylinder 7 and the outer side of the annular sealing plate 8, an annular gap 11 in the ground vertical section pipe is sealed by the sealing compensation corrugated pipe 9, and an annular rain-proof eave 10 is arranged on the outer side wall of the ground connecting section protecting cylinder 6 above the sealing compensation corrugated pipe 9; the sealing compensation corrugated pipe 9 and the sealing cylinder 7 are used for connecting and sealing the annular sealing plate 8 and the ground vertical section protection cylinder 3 into a whole, rainwater outside the pipe cannot enter the heat preservation, the corrugation of the sealing compensation corrugated pipe 9 can also effectively compensate the radial displacement of the inner pipe generated by high-temperature steam, the effect of flexibly connecting the annular sealing plate 8 and the ground vertical section protection cylinder 3 is achieved, and the annular rain-proof eaves 10 above the sealing compensation corrugated pipe 9 plays a role in protecting the sealing compensation corrugated pipe 9.
The included angle between the annular rain-proof eaves 10 and the outer side wall of the ground connecting section protection cylinder 6 is 85 degrees.
Claims (2)
1. A waterproof structure of a ground-outlet vertical section of a prefabricated direct-buried heat-insulation steam pipeline comprises a ground-outlet vertical section pipe (1) and a ground-outlet connecting section pipe (4), wherein a ground-outlet vertical section heat-insulation layer (2) is arranged outside the ground-outlet vertical section pipe (1), a ground-outlet vertical section protection barrel (3) is arranged outside the ground-outlet vertical section heat-insulation layer (2), an annular gap (11) in the ground-outlet vertical section protection barrel is arranged between the ground-outlet vertical section protection barrel (3) and the ground-outlet vertical section heat-insulation layer (2), a sealing barrel (7) is sleeved on an upper port of the ground-outlet vertical section protection barrel (3), a ground-outlet connecting section heat-insulation layer (5) is arranged outside the ground-outlet vertical section heat-insulation layer (5), a ground-outlet vertical section heat-insulation layer (2) is provided with an annular sealing plate (8), the sealing structure is characterized in that a sealing compensation corrugated pipe (9) is connected between the upper port of the sealing cylinder (7) and the outer side wall of the annular sealing plate (8), the sealing compensation corrugated pipe (9) seals an annular gap (11) in the ground vertical section pipe, and an annular rain-proof brim (10) is arranged on the outer side wall of the ground connection section protection cylinder (6) above the sealing compensation corrugated pipe (9).
2. The vertical section of the prefabricated direct-burried heat-preservation steam pipeline that goes out of ground waterproof construction of claim 1, characterized in that, the angle between the annular rain-proof eaves (10) and the lateral wall of the section of protecting a section of thick bamboo (6) on the ground is 85 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022651120.1U CN214222383U (en) | 2020-11-16 | 2020-11-16 | Go out ground vertical section waterproof construction of prefabricated direct-burried heat preservation steam conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022651120.1U CN214222383U (en) | 2020-11-16 | 2020-11-16 | Go out ground vertical section waterproof construction of prefabricated direct-burried heat preservation steam conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214222383U true CN214222383U (en) | 2021-09-17 |
Family
ID=77697574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022651120.1U Active CN214222383U (en) | 2020-11-16 | 2020-11-16 | Go out ground vertical section waterproof construction of prefabricated direct-burried heat preservation steam conduit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214222383U (en) |
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2020
- 2020-11-16 CN CN202022651120.1U patent/CN214222383U/en active Active
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