CN211738249U - Hot rod type pipe frame with low-friction high-efficiency heat insulation pipe carrier - Google Patents
Hot rod type pipe frame with low-friction high-efficiency heat insulation pipe carrier Download PDFInfo
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- CN211738249U CN211738249U CN201922066339.2U CN201922066339U CN211738249U CN 211738249 U CN211738249 U CN 211738249U CN 201922066339 U CN201922066339 U CN 201922066339U CN 211738249 U CN211738249 U CN 211738249U
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Abstract
The utility model discloses a hot rod pipe support with a low-friction high-efficiency heat insulation pipe support, which comprises at least 2 pressure-bearing supporting pipes fixed in a foundation, wherein a supporting beam is arranged at the top end of each pressure-bearing supporting pipe, and a pipe support is arranged on each supporting beam and used for supporting a pipeline; the pipe bracket comprises a heat insulation layer, a moisture-proof protective layer and a metal rain-proof protective layer from inside to outside in sequence, and a reinforcing pipe clamp is arranged on the outer side of the metal rain-proof protective layer; the heat insulation layer is formed by overlapping an upper heat insulation block and a lower heat insulation block in a staggered way, and a labyrinth seal elastic cushion is filled in a gap formed by overlapping the two heat insulation blocks in the staggered way; the bottom of the pipe bracket is provided with a pipe bracket base which is arranged on a low-friction stress-reducing sliding pair fixed by a supporting beam to realize horizontal universal sliding of the pipe bracket; and a side sliding stop block is arranged on the supporting cross beam between the pipe bracket positioned at the outer side and the pressure-bearing supporting pipe. The utility model discloses can realize the low friction slip of horizontal direction, the bearing capacity is strong, the stress is fallen in the low friction, restricts adiabatic support lateral displacement simultaneously.
Description
Technical Field
The utility model relates to a take hot stick formula pipe support of high-efficient adiabatic conduit saddle of low friction, concretely relates to can eliminate medium pipeline such as oil transportation, gas transmission and ground and warp too big device of damage because of heaing up by a wide margin.
Background
With the deepening of the socialization process, the usage amount of fossil fuels is increased year by people, petroleum and natural gas pipeline engineering frequently goes up, more and more pipelines are developed in cold regions, and pipe frames for supporting the pipelines are generally buried on permafrost foundations, such as a Zhongrussian crude oil pipeline project, an American Alaska natural gas pipeline project, a Russian arctic circle Wankel oil field project and the like. In order to prevent the damage of secondary approach construction to the fragile frozen soil environment, the erection of 2 or even more pipelines on the pipe frame is a trend of pipeline engineering development. In summer, as the pipe frame is supported in a permafrost layer, the ground of the permafrost layer is influenced by the long-time radiation heat of the sun to melt and deform, and the pipe frame can be influenced destructively and even collapse; in high-altitude and high-latitude frozen soil areas, the construction difficulty is high due to climate reasons, the pipeline engineering is usually built in multiple stages, and the pressure of the pipe frame on the frozen soil layer changes in the early stage and the later stage, so that the inclination of the pipe frame can be caused. Therefore, the pipe frame in the frozen soil area at high altitude and high latitude needs to consider expansion with heat and contraction with cold, sedimentation deformation caused by ground melting and the like during design, so that the inclination risk is prevented.
The small deformation of the pipeline can not immediately damage the conveying pipeline, but if the pipeline is influenced by the lifting and the inclination of the pipe frame caused by the expansion caused by heat and the contraction caused by cold of the foundation for a long time, the pipeline is easy to generate metal fatigue, and the service life of the conveying pipeline is influenced. In addition, if the temperature of the foundation is excessively increased, the deformation of the foundation often exceeds the compensation allowance of the pipe frame, so that the pipeline generates deformation stress, and the damage process of the pipeline is accelerated. Therefore, overcoming foundation deformation is an effective means for solving the problem of safe long-term operation of the pipe frame.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a take high-efficient adiabatic conduit saddle's of low friction heat bar formula pipe support to the easy deformation along with the foundation that exists of the pipe support of current fluid conveying pipeline, the problem that causes the pipeline harm that appears inhomogeneous settlement deformation on the coexistence pipe support of many (2 at least) pipelines, provides one kind.
The utility model aims at realizing through the following technical scheme:
a hot rod type pipe support with a low-friction high-efficiency heat insulation pipe support comprises at least 2 pressure-bearing supporting pipes 7 with the lower ends fixed in a foundation, wherein the hot rod 1 with one end extending into a frozen soil foundation is installed; a supporting beam 4 is arranged at the top end of the pressure bearing supporting pipe 7, and the supporting beam 4 is positioned below the pipeline; the pipe bracket 2 is arranged on the supporting beam 4 and used for supporting a pipeline 10; the pipe bracket 2 sequentially comprises a high-strength low-heat-conduction heat insulation layer 25, a moisture-proof protection layer 24 and a metal rain-proof protection layer 23 from inside to outside, and a reinforcing pipe clamp 21 is arranged on the outer side of the metal rain-proof protection layer 23; the heat insulation layer 25 is formed by overlapping an upper heat insulation block and a lower heat insulation block in a staggered manner, and a labyrinth seal elastic cushion 26 is filled in a gap formed by overlapping the upper heat insulation block and the lower heat insulation block in a staggered manner to isolate the heat of the pipeline from dissipating from the gap; the bottom of the pipe bracket 2 is provided with a pipe bracket base 27, and the pipe bracket base 27 is arranged on a low-friction stress-reducing sliding pair 28 fixed by a supporting beam 4 to realize low-friction sliding of the pipe bracket in the horizontal direction; a lateral slide block 3 is arranged on a supporting beam 4 between the pipe bracket 2 positioned at the outer side and a pressure-bearing supporting pipe 6 to limit the lateral displacement of the pipe bracket.
The hot rod extends into the permafrost soil to be not less than 2.0m, and is determined according to the upper limit of the permafrost soil. The outer wall of the part of the hot rod 1 inserted into the foundation is provided with an anticorrosive coating, preferably a galvanized anticorrosive coating.
Heat tracing pipes 9 are respectively arranged along the top, the left side and the right side of the outer wall of the pipeline 10.
As the preferred technical scheme of the hot rod formula pipe support of high-efficient adiabatic conduit saddle of area low friction this scheme of pressure-bearing stay tube 7 in place 2 at least spacing rings 11, be equipped with 3 piece at least bracing pieces 12 at the 11 outer walls of spacing ring and make spacing ring 11 be fixed in 7 inner walls of pressure-bearing stay tube. For the convenience of assembly, the inner diameter of the limiting ring is larger than the outer diameter of the hot rod, preferably 10mm larger than the outer diameter of the hot rod, the limiting ring 11 is sleeved on the outer wall of the hot rod 1, the position of the hot rod is fixed through the limiting ring and the supporting rod, and the verticality of the hot rod is controlled to meet the design requirements of national standards.
Preferably, the support rod is respectively connected with the outer wall of the limit ring 11 and the inner wall of the pressure-bearing support pipe 7 into a whole through welding.
Preferably, 3 or 4 support rods 12 are arranged on the outer wall of each limit ring 11.
Preferably, the supporting beam 4 has an H-shaped section or a ] [ shaped section, and is preferably H-shaped steel, i-shaped steel or C-shaped steel.
Preferably, two sides of the upper part of the pressure-bearing supporting pipe 7 are respectively provided with 1 inverted-L-shaped supporting part 6, a vertical plate of each supporting part 6 is welded on the outer wall of the pressure-bearing supporting pipe 7, and a cross beam of each supporting part 6 is provided with a bolt hole; the cross beam of the supporting piece 6 is connected with the supporting cross beam 4 in a bolt riveting mode through the anti-loosening connecting piece 5.
The anti-loosening connecting piece 5 is a double-nut anti-loosening connecting piece and consists of a bolt and a double nut.
As this scheme of the preferred technique of the hot rod formula pipe support of high-efficient adiabatic conduit saddle of area low friction, pressure-bearing stay tube 7 be connected the structural stability in order to improve the pipe support through bearing diagonal beam 8 and supporting beam 4. The upper end of the inclined supporting beam 8 is connected with the supporting beam 4 through an anti-loosening connecting piece, and the lower end of the inclined supporting beam is welded with the pressure-bearing supporting tube 7.
The number of the pressure-bearing supporting pipes 7 can be more than 2 and 3. When the number of the pressure-bearing support pipes is 2, the 2 pressure-bearing support pipes 7 are positioned at two sides of the pipeline 10; when the number of the pressure-bearing supporting pipes is more than 3, 2 pressure-bearing supporting pipes 7 are positioned at two sides of the pipeline 10, and the rest pressure-bearing supporting pipes 7 are positioned below the middle part of the supporting beam, if the permafrost is of a high-temperature high-ice-content type, at least 1 hot rod needs to be arranged in each pressure-bearing supporting pipe, so that the stability of the permafrost foundation is ensured; if the permafrost is stable at low temperature, the hot rod is not needed.
The reinforcing pipe clamp 21 is tightly hooped by a self-tightening type anti-loose fastener 22, and the self-tightening type anti-loose fastener 22 is a combination of a bolt, a nut and a disc spring group.
The high-strength low-heat-conduction heat insulation block is formed by foaming, cutting and molding Polyurethane (PU) or Polyisocyanurate (PIR), a heat tracing pipe channel is reserved in the heat insulation block for installing a heat tracing pipe, and the upper half part and the lower half part are formed by adopting a numerical control integrated labyrinth, so that the rapid on-site lap joint installation is facilitated. Preferably, one end of each heat insulation block is protruded, the other end of each heat insulation block is recessed, and the heat insulation layer 25 is formed by overlapping concave-convex structures of the upper heat insulation block and the lower heat insulation block in a staggered mode.
When the total thickness of heat insulation layer 25 is more than 80mm, assemble the convenience when in order to the site operation, reduce the heat loss because of expend with heat and contract with cold simultaneously, heat insulation layer 25 multilayer concatenation make heat insulation layer 25's axial terminal surface be the step-like.
The labyrinth seal elastic pad 26 is made of a heat insulating material, preferably bridged polyethylene, superfine glass fiber felt, nano aerogel felt and the like.
The moisture-proof protective layer 24 is formed by wrapping a composite PAP aluminum foil outside the heat insulation layer.
The material of the metal rain-proof protective layer 23 is an aluminum-plated steel plate, a stainless steel plate, a galvanized steel plate.
The side slip blocks 3 are welded to the support beams 4.
Low friction stress reduction slip pair 28 by stainless steel mirror plate, two-layer polytetrafluoroethylene board, the tetrafluoro base plate is constituteed, stainless steel mirror plate welds in conduit saddle base 27 bottom, there is the polytetrafluoroethylene board stainless steel mirror plate bottom, the tetrafluoro base plate welds with supporting beam 4, bottom polytetrafluoroethylene board is inlayed or is sticky or sintering on the tetrafluoro base plate, it slides to realize the universal low friction of level through low friction stress reduction slip pair 28, adopt and reduce the horizontal friction that stress reduction slip pair can reduce every support from low friction, so the atress to the fixed point will fall down, thereby the stress of whole piping has been reduced, the security has been improved.
The utility model has the advantages that:
the utility model discloses take hot stick formula pipe support of high-efficient adiabatic conduit saddle of low friction has simple structure, suitability strong, and easy to assemble's advantage can thoroughly eliminate because of the foundation warp the damage of subsiding that causes to the pipeline, can promote simultaneously and move to the support of all kinds of pipelines in cold frozen soil district, is particularly suitable for the pipeline engineering of building in cold areas to be used for supporting 2 above pipelines simultaneously. The high-altitude heat-insulation pipe support is used for pipelines in industries such as petrochemical industry in high-altitude and high-latitude frozen soil areas, the temperature of a foundation can be reduced, the stability of the support is guaranteed, the pipelines are allowed to generate angular displacement and linear displacement within a certain range, and the high-efficiency heat-insulation pipe support can be always effectively supported, so that damage to the pipelines due to deformation is reduced or avoided.
Drawings
FIG. 1 is a schematic structural view of a hot rod pipe rack with a low-friction high-efficiency heat insulation pipe support according to the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of the installation of the stop collar;
FIG. 4 is a schematic structural view of a pipe bracket;
fig. 5 is a schematic view of the structure of the adiabatic block.
In the figure, 1-heat bar, 2-pipe support, 3-sideslip block, 4-crossbeam, 5-anti-loose connecting piece, 6-supporting piece, 7-bearing supporting pipe, 8-inclined supporting beam, 9-heat tracing pipe, 10-pipeline, 11-spacing ring, 12-supporting rod, 21-reinforcing pipe clamp, 22-self-tightening anti-loose fastener, 23-metal rain-proof protective layer, 24-moisture-proof protective layer, 25-heat insulating layer, 26-labyrinth seal elastic pad, 27-pipe support base and 28-low-friction stress-reduction friction pair.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and the detailed description.
Example 1
As shown in fig. 1-5, a heat bar type pipe frame with a low-friction high-efficiency heat insulation pipe bracket comprises 2 pressure-bearing support pipes 7 with lower ends fixed in a foundation, wherein the pressure-bearing support pipes 7 are positioned at two sides of a pipeline 10, 2 limit rings 11 are arranged in the pressure-bearing support pipes 7, 4 support rods 12 are welded between the outer walls of the limit rings 11 and the inner walls of the pressure-bearing support pipes 7, the inner diameters of the limit rings are 10mm larger than the outer diameter of a heat bar 1, the heat bar 1 is inserted into the pressure-bearing support pipes 7 and is merged into the ground, and the position of the heat bar is fixed through the limit; two sides of the upper part of the pressure-bearing supporting pipe 7 are respectively provided with 1 inverted L-shaped supporting part 6, a vertical plate of each supporting part 6 is welded on the outer wall of the pressure-bearing supporting pipe 7, a cross beam of each supporting part 6 is provided with a bolt hole, and the cross beam of each supporting part 6 is connected with a flange of the H-shaped supporting cross beam 4 in a bolt riveting mode through an anti-loosening connecting part 5; the supporting beam 4 is positioned below the pipeline, and the pipe bracket 2 is arranged on the supporting beam 4 and used for supporting the pipeline 10; the pipe bracket 2 sequentially comprises a high-strength low-heat-conduction heat insulation layer 25, a moisture-proof protection layer 24 and a metal rainproof protection layer 23 from inside to outside, a reinforcing pipe clamp 21 is arranged on the outer side of the metal rainproof protection layer 23, and the reinforcing pipe clamp 21 is tightly hooped through a self-tightening type anti-loosening fastener 22; the heat insulation layer 25 is formed by staggered overlapping of concave-convex structures of an upper heat insulation block and a lower heat insulation block (figure 5), and a labyrinth seal elastic cushion 26 is filled in a gap formed by the staggered overlapping of the two heat insulation blocks; the bottom of the pipe bracket 2 is provided with a pipe bracket base 27, and the pipe bracket base 27 is arranged on a low-friction stress-reducing sliding pair 28 fixed by a supporting beam 4 to realize low-friction sliding displacement of the pipe bracket in the horizontal direction; side sliding stoppers 3 are respectively welded on the supporting cross beams 4 between the left pipe bracket 2 and the left pressure-bearing supporting pipe 6 and between the right pipe bracket 2 and the right pressure-bearing supporting pipe 6 to limit the lateral displacement of the pipe brackets.
The supporting beam is made of H steel.
The anti-loose connecting piece 5 is a double-nut anti-loose fastener and comprises a bolt and double nuts. The self-tightening anti-loose fastener 22 is a combination of a bolt, a nut and a disc spring group.
The heat insulation block is formed by foaming, cutting and molding Polyurethane (PU) or Polyisocyanurate (PIR), a heat tracing pipe channel is reserved in the heat insulation block for installing a heat tracing pipe, the upper half and the lower half are formed by adopting a numerical control integrated labyrinth, and the outer side of one end of the heat insulation block is protruded and the outer side of the other end of the heat insulation block is recessed, so that the heat insulation block can be conveniently and rapidly installed in a lap joint manner.
The labyrinth seal elastic cushion 26 is made of bridging polyethylene, superfine glass fiber felt or nanometer aerogel felt and the like.
The moisture-proof protective layer 24 is formed by wrapping a composite PAP aluminum foil outside the heat insulation layer.
The material of the metal rain-proof protective layer 23 is an aluminum-plated steel plate, a stainless steel plate or a galvanized steel plate.
Low friction stress sliding pair 28 constitute by stainless steel mirror plate, two-layer polytetrafluoroethylene board, tetrafluoro base plate, stainless steel mirror plate welds in conduit saddle base 27 bottom, is equipped with the polytetrafluoroethylene board bottom stainless steel mirror plate, the tetrafluoro base plate welds with supporting beam 4, the bottom polytetrafluoroethylene board is inlayed and is realized the horizontal slip on the tetrafluoro base plate.
Example 2
On the basis of the hot rod type pipe support with the low-friction high-efficiency heat insulation pipe support in the embodiment 1, an inclined support beam 8 is arranged between a pressure bearing support pipe 7 and a support cross beam 4 to improve the structural stability of the pipe support, the upper end of the inclined support beam 8 is connected with the support cross beam 4 through an anti-loosening connecting piece, and the lower end of the inclined support beam is welded with the pressure bearing support pipe 7.
Example 3
On the basis of the hot rod pipe frame with the low-friction high-efficiency heat insulation pipe carrier in the embodiment 1, the axial end face of the heat insulation layer 25 is step-shaped.
Claims (10)
1. A hot rod type pipe support with a low-friction high-efficiency heat insulation pipe support is characterized by comprising at least 2 pressure-bearing supporting pipes fixed in a foundation, wherein a hot rod with one end extending into a permafrost foundation is installed in each pressure-bearing supporting pipe; a supporting beam is arranged at the top end of the pressure-bearing supporting pipe and is positioned below the pipeline; the supporting beam is provided with a pipe bracket for supporting a pipeline; the pipe bracket comprises a heat insulation layer, a moisture-proof protective layer and a metal rain-proof protective layer from inside to outside in sequence, and a reinforcing pipe clamp is arranged on the outer side of the metal rain-proof protective layer; the heat insulation layer is formed by overlapping two heat insulation blocks in a staggered way, and a labyrinth seal elastic cushion is filled in a gap formed by overlapping the two heat insulation blocks in the staggered way; the pipe bracket comprises a pipe bracket base, a low-friction stress-reducing sliding pair, a stainless steel mirror panel, two layers of polytetrafluoroethylene plates and a polytetrafluoroethylene substrate, wherein the pipe bracket base is arranged at the bottom of the pipe bracket and is arranged on the low-friction stress-reducing sliding pair fixed by a supporting cross beam to realize low-friction sliding of the pipe bracket in the horizontal direction; and a lateral sliding stop block is arranged on a supporting cross beam between the pipe bracket positioned on the outer side and the pressure-bearing supporting pipe to limit the lateral displacement of the pipe bracket.
2. The hot rod pipe support with the low-friction high-efficiency heat insulation pipe bracket according to claim 1, wherein at least 2 limiting rings are arranged in the pressure bearing support pipe, the limiting rings are sleeved on the outer wall of the hot rod, and at least 3 support rods are arranged on the outer wall of the limiting rings to fix the limiting rings on the inner wall of the pressure bearing support pipe.
3. The hot rod pipe support with the low-friction high-efficiency heat insulation pipe bracket according to claim 2, wherein the inner diameter of the limiting ring is larger than the outer diameter of the hot rod.
4. The heat rod pipe rack with low friction high efficiency heat insulation pipe bracket according to claim 1, characterized in that the supporting beam is H-shaped section or ] [ type section.
5. The hot rod type pipe frame with the low-friction high-efficiency heat insulation pipe bracket according to claim 1 is characterized in that inverted L-shaped supporting pieces are respectively arranged on two sides of the upper part of the pressure bearing supporting pipe, and vertical plates of the supporting pieces are welded on the outer wall of the pressure bearing supporting pipe; the cross beam of the supporting piece is connected with the supporting cross beam through the anti-loosening connecting piece.
6. The heat rod pipe frame with low friction high efficiency heat insulation pipe bracket according to claim 1, characterized in that the pressure bearing support pipe is connected with the support beam through an inclined support beam.
7. The heat rod type pipe frame with the low-friction high-efficiency heat insulation pipe bracket according to claim 1, wherein the heat insulation block is formed by foaming and cutting Polyurethane (PU) or Polyisocyanurate (PIR), a heat tracing pipe channel is reserved in the heat insulation block for installing a heat tracing pipe, the outer side of one end of the heat insulation block is protruded, the outer side of one end of the heat insulation block is recessed, and the heat insulation layer is formed by overlapping concave-convex structures of the upper heat insulation block and the lower heat insulation block in a staggered manner.
8. The heat rod pipe frame with low-friction high-efficiency heat insulation pipe bracket according to claim 1, wherein the axial end face of the heat insulation layer is stepped.
9. The heat rod type pipe frame with the low-friction high-efficiency heat insulation pipe bracket according to claim 1, wherein the labyrinth seal elastic cushion is made of bridging polyethylene, superfine glass fiber felt or nano aerogel felt.
10. The heat-rod pipe frame with the low-friction high-efficiency heat-insulation pipe bracket according to claim 1, wherein the moisture-proof protection layer is formed by wrapping a composite PAP aluminum foil outside the heat-insulation layer; the material of the metal rainproof protective layer is an aluminum-plated steel plate, a stainless steel plate and a galvanized steel plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922066339.2U CN211738249U (en) | 2019-11-26 | 2019-11-26 | Hot rod type pipe frame with low-friction high-efficiency heat insulation pipe carrier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922066339.2U CN211738249U (en) | 2019-11-26 | 2019-11-26 | Hot rod type pipe frame with low-friction high-efficiency heat insulation pipe carrier |
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| CN211738249U true CN211738249U (en) | 2020-10-23 |
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| CN201922066339.2U Active CN211738249U (en) | 2019-11-26 | 2019-11-26 | Hot rod type pipe frame with low-friction high-efficiency heat insulation pipe carrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022106607A (en) * | 2021-01-07 | 2022-07-20 | Ａｗｊ株式会社 | Pipe fixing base |
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2019
- 2019-11-26 CN CN201922066339.2U patent/CN211738249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022106607A (en) * | 2021-01-07 | 2022-07-20 | Ａｗｊ株式会社 | Pipe fixing base |
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