CN210462178U - Pipeline heat preservation sliding support - Google Patents

Abstract

The utility model provides a pipeline heat-insulation sliding support, which comprises a prefabricated pipe and a support body, wherein the support body comprises a support, a first sliding plate, a second sliding plate and a bottom plate which are sequentially stacked, the first sliding plate and the second sliding plate can slide relatively, a heat-insulation sleeve is sleeved on the surface of the support, and one end of the support, which is far away from the first sliding plate, is connected with the outer wall of the prefabricated pipe; the prefabricated pipe is directly connected with the heat distribution pipeline, so that the heat insulation surface layer of the heat distribution pipeline is prevented from being damaged, and the heat insulation sleeve is sleeved on the surface of the support, so that the heat loss of fluid in the heat distribution pipeline can be effectively reduced; through setting up range upon range of first sliding plate and second sliding plate in support below, when thermal pipeline produced stress when flexible because of expend with heat and contract with cold, drive the support and remove, the support drives the relative second sliding plate of first sliding plate and slides to offset the support and follow the displacement of thermal pipeline axial direction, reduce the pipeline and keep warm sliding support and attach the thrust for steelframe or pipeline buttress, improve the stability of steelframe or pipeline buttress.

Description

Pipeline heat preservation sliding support

Technical Field

The utility model relates to a pipe connection technical field especially relates to a pipeline heat preservation sliding support.

Background

At present, common thermal pipeline supports are all manufactured by welding metal steel plates, the upper parts of the pipeline supports are welded on the pipeline, the lower parts of the pipeline supports are directly placed on a metal support or a metal embedded part, and because the temperature of fluid conveyed in the thermal pipeline is high, the metal heat conductivity coefficient is high, heat conducted through the pipeline supports accounts for a certain proportion, and fluid heat loss is caused. At present, only the thermal pipeline is insulated, and the heat dissipated through the support is easy to be ignored. However, the thermal pipeline has a long conveying distance and a large number of pipeline supports, and the total heat dissipated through the pipeline supports cannot be small. On one hand, the heat loss of the fluid can cause that the temperature of the fluid at the tail end of the heat distribution pipeline is too low to meet the requirement of heat supply; on the other hand, the energy loss is large in the fluid conveying process, so that the energy waste is serious, and the requirement of energy conservation cannot be met.

In addition, what the heat pipe in utility tunnel generally adopted is that high density polyethylene protects tub rigid polyurethane foam prefabricated insulating tube outward, lays in the overhead in utility tunnel's heating power storehouse, and every welding pipeline support all need destroy the heat preservation, has not only destroyed the whole thermal insulation performance of heat pipe, leads to fluidic heat loss increase, still increases the construction work volume, increases the construction degree of difficulty.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a pipeline heat preservation sliding support.

In order to realize the purpose of the utility model, the utility model provides a support which comprises a prefabricated pipe and a support body;

the support body comprises a support, a first sliding plate, a second sliding plate and a bottom plate which are sequentially stacked, the first sliding plate and the second sliding plate can slide relatively, a heat insulation sleeve is sleeved on the outer surface of the support, and one end, far away from the first sliding plate, of the support is connected with the outer wall of the prefabricated pipe.

As a further improvement of the technical scheme, the heat-insulating sleeve comprises a shell and a heat-insulating layer, and the heat-insulating layer is positioned between the shell and the surface of the bracket.

As a further improvement of the technical scheme, the heat-insulating layer is a heat-insulating concrete layer.

As a further improvement of the above technical solution, the bracket is connected to the prefabricated pipe by welding.

As a further improvement of the technical scheme, the prefabricated pipe comprises a steel pipe, an outer protecting pipe and a heat preservation pipe, and the heat preservation pipe and the outer protecting pipe are sequentially sleeved on the outer wall of the steel pipe from inside to outside.

As a further improvement of the above technical solution, the first sliding plate is a teflon plate; the second sliding plate is a polytetrafluoroethylene plate.

As a further improvement of the above technical solution, the housing includes a connecting plate and a side wall connected to the connecting plate, an opening for inserting the bracket is provided at an end of the side wall away from the connecting plate, and a surface of the connecting plate away from the side wall is connected to the first sliding plate.

As a further improvement of the above technical solution, a first cavity and a second cavity are provided in the housing, the first cavity is communicated with the opening, and a cross-sectional area of the first cavity is smaller than a cross-sectional area of the second cavity.

As a further improvement of the above technical solution, the connecting plate is connected with the first sliding plate by means of a bolt connection.

As a further improvement of the above technical solution, the second sliding plate is connected with the bottom plate by means of bolt connection.

The utility model has the advantages that:

the utility model provides a pipeline heat-insulation sliding support, which comprises a prefabricated pipe and a support body, wherein the support body comprises a support, a first sliding plate, a second sliding plate and a bottom plate which are sequentially stacked, the first sliding plate and the second sliding plate can slide relatively, a heat-insulation sleeve is sleeved on the surface of the support, and one end of the support, which is far away from the first sliding plate, is connected with the outer wall of the prefabricated pipe; the prefabricated pipe connected with the support body is directly connected with the heat distribution pipeline, so that the heat insulation surface layer of the heat distribution pipeline can be prevented from being damaged, the loss of fluid heat in the heat distribution pipeline is reduced, the heat energy utilization rate is improved, the construction difficulty is reduced, and the purpose of saving cost is achieved; the heat insulation sleeve is sleeved on the surface of the support, so that the heat insulation sleeve can effectively prevent the heat of fluid in the heat distribution pipeline from being transferred to the steel frame or the pipeline buttress through the support to cause heat loss; through set up range upon range of first sliding plate and second sliding plate below the support, because first sliding plate can form the glide plane with the second sliding plate, consequently, when thermal power pipeline produces stress because of expend with heat and contract with cold and stretches out and draws back, drive the support and remove along thermal power pipeline axial direction, the support drives the relative second sliding plate of first sliding plate and slides, thereby offset the support along thermal power pipeline axial direction's displacement, and then reduce the pipeline and keep warm sliding support and attach the thrust for steelframe or pipeline buttress, improve the stability of steelframe or pipeline buttress.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 shows a schematic view of a longitudinal section of the pipeline heat-insulating sliding support of the utility model.

Description of the main element symbols:

100. prefabricating a pipe; 200. a support body; 210. a support; 220. a housing; 221. a connecting plate; 222. a side wall; 223. a first cavity; 224. a second cavity; 230. a heat-insulating layer; 240. a first sliding plate; 250. a second sliding plate; 260. a base plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the present invention provides a sliding support for thermal insulation of pipeline, which includes a prefabricated pipe 100 and a support body 200;

the support body 200 comprises a support 210, a first sliding plate 240, a second sliding plate 250 and a bottom plate 260 which are sequentially stacked, the first sliding plate 240 and the second sliding plate 250 can slide relatively, a heat insulation sleeve is sleeved on the surface of the support 210, and one end of the support 210, which is far away from the first sliding plate 240, is connected with the outer wall of the prefabricated pipe 100.

When the pipeline thermal insulation support is installed, the pipe orifice of the prefabricated pipe 100 is connected with the pipe orifice of the thermal pipeline, and one surface of the bottom plate 260, which is far away from the second sliding plate 250, is connected with the embedded steel plate or the steel frame of the pipeline buttress, so that the pipeline thermal insulation sliding support is fixed below the thermal pipeline and plays a role in supporting the thermal pipeline.

It can be understood that, the prefabricated pipe 100 connected to the support body 200 is directly connected to the heat distribution pipeline, so as to avoid damaging the heat preservation surface layer of the heat distribution pipeline, reduce the loss of fluid heat in the heat distribution pipeline, improve the heat energy utilization rate, reduce the construction difficulty, and achieve the purpose of saving cost.

Meanwhile, the heat insulation sleeve is sleeved on the outer surface of the support 210 of the support body 200, and the heat insulation sleeve can effectively prevent heat of fluid in the heat distribution pipeline from being dissipated due to the fact that the heat is transmitted to the steel frame or the pipeline buttress through the support 210.

In addition, through setting up first sliding plate 240 and the second sliding plate 250 of range upon range of in support 210 below, first sliding plate 240 and second sliding plate 250 can relatively slide and form the glide plane, therefore, after the fluid in the heating power pipeline heaies up or cools down, the heating power pipeline expend with heat and contract with cold and can produce stress and stretch out and draw back, drive support 210 and remove along heating power pipeline axial direction, make first sliding plate 240 slide relative second sliding plate 250, thereby offset support 210 along the displacement of heating power pipeline axial direction, and then reduce the pipeline and keep warm the thrust that sliding support adds for steelframe or pipeline buttress, reach the purpose that improves the stability of steelframe or pipeline buttress.

The pipeline heat-insulation sliding support has the characteristics of large bearing capacity, impact resistance, small friction force, corrosion resistance and aging resistance.

Preferably, the first sliding plate 240 is a teflon plate; the second sliding plate 250 is a teflon plate.

It can be understood that the polytetrafluoroethylene board itself has high lubrication characteristic for can form the glide plane between the polytetrafluoroethylene board of range upon range of setting, thereby can be fine offset because the support 210 that thermal power pipeline expend with heat and contract with cold and lead to follows the displacement of thermal power pipeline axial direction, and then reduce the pipeline and keep warm sliding support and attach the thrust for steelframe or pipeline buttress, reach the purpose that improves the stability of steelframe or pipeline buttress.

Specifically, the prefabricated pipe 100 and the heat distribution pipeline are usually connected by welding, in order to avoid heat loss caused by heat transfer from the fluid in the heat distribution pipeline to the external through the welding port, a thermal insulation sleeve can be sleeved on the surface of the welding port, and the thermal insulation sleeve can be made of conventional rigid polyurethane foam.

Specifically, the bottom plate 260 is connected with the embedded steel plate or the steel frame of the pipeline buttress in the same welding mode, so that the pipeline heat-insulation sliding support is stably installed on the embedded steel plate or the steel frame of the pipeline buttress.

The inner diameter of the prefabricated pipe 100 is equal to that of the thermal pipeline, and the shape of the prefabricated pipe is the same, so that a smooth and closed conveying channel can be formed after the prefabricated pipe 100 is welded with the thermal pipeline.

Specifically, the heat distribution pipeline is a high-density polyethylene outer protective pipe rigid polyurethane foam prefabricated heat insulation pipe, and has a good heat insulation effect, so that heat loss of fluid in the heat distribution pipeline is reduced.

Optionally, the thermal insulation sleeve includes a shell 220 and an insulation layer 230, and the insulation layer 230 is located between the shell 220 and the surface of the bracket 210.

It can be understood that, by sleeving the bracket 210 in the housing 220, a gap exists between the housing 220 and the bracket 210, and the gap is filled with a heat insulating material to form the heat insulating layer 230, so that the housing 220 bears the bracket 210, and the heat insulating layer 230 forms a heat insulating layer, thereby preventing heat loss caused by the fact that heat of fluid in a thermal pipeline is transferred to the housing 220 through the bracket 210.

Optionally, the housing 220 is a metal housing, and can perform a good bearing and covering function on the bracket 210.

Optionally, the insulating layer 230 is a heat insulating concrete layer. The heat insulating concrete is also called aerated concrete, foam concrete and foamed concrete, belongs to the field of heat insulating material, and is special concrete with certain physical and mechanical properties, which is covered on the surface of thermal equipment and pipeline to prevent or reduce heat exchange with the outside and reduce heat dissipation.

In this embodiment, the thermal insulation concrete has good adhesion and thermal insulation, and the thermal insulation concrete covers the surface of the bracket 210 to form a thermal insulation concrete layer, and is tightly combined with the bracket 210 and the housing 220, so that the bracket 210 is stably installed in the housing 220, and the bracket 210 is prevented from directly contacting the housing 220, thereby preventing or reducing heat exchange between the bracket 210 and the housing 220, and avoiding heat loss caused by the heat of the fluid in the thermal pipeline being transferred to the housing 220 through the bracket 210.

Optionally, the housing 220 includes a connecting plate 221 and a side wall 222 connected to the connecting plate 221, an end of the side wall 222, which is away from the connecting plate 221, is provided with an opening, the bracket 210 is inserted into the housing 220 through the opening, and a side of the connecting plate 221, which is away from the side wall 222, is connected to the first sliding plate 240.

Optionally, a first cavity 223 and a second cavity 224 penetrating through the housing 220 are disposed inside the housing 220, the first cavity 223 is communicated with the opening, and a cross-sectional area of the first cavity 223 is smaller than a cross-sectional area of the second cavity 224.

It can be appreciated that the cross-sectional area of the second cavity 224 is larger than that of the first cavity 223, so that the housing 220 is formed in a shape with a small top and a large bottom, and can firmly support the bracket 210.

Specifically, the shape of the cross section of the housing 220 may be rectangular, circular or other irregular shapes, and the specific shape is set according to the needs of site operation, and is not limited herein.

Specifically, the shape of the cross section of the bracket 210 may be rectangular, circular or other irregular shapes, and the specific shape is set according to the needs of site operation, which is not limited herein.

Optionally, the bracket 210 is a metal bracket, has good rigidity and strength, and can support the prefabricated pipe 100.

Optionally, the prefabricated pipe 100 includes a steel pipe, an outer protection pipe and a heat preservation pipe, the heat preservation pipe and the outer protection pipe are sequentially sleeved on the outer wall of the steel pipe from inside to outside.

As mentioned above, the material of the outer sheath can be conventional high density polyethylene or glass fiber reinforced plastic material.

The material of the heat preservation pipe can be rigid polyurethane foam plastic, and the rigid polyurethane foam plastic has low heat conductivity coefficient and low water absorption rate.

Therefore, the prefabricated pipe 100 can play a good role of corrosion prevention because the heat preservation pipe is tightly adhered to the outer skin of the steel pipe to isolate the infiltration of air and water, and the foaming holes of the prefabricated pipe are closed, so that the prefabricated pipe has low water absorption, and the high-density polyethylene outer protection pipe and the glass fiber reinforced plastic outer protection pipe have good corrosion prevention, insulation and mechanical properties. Therefore, the prefabricated pipe 100 has excellent heat insulation and corrosion resistance, and can reduce heat loss of fluid when being connected with a heat pipe for conveying fluid.

Since the housing 220 is exposed to the external environment, the housing 220 is easily corroded, and the sliding support for pipe insulation is damaged. Therefore, in this embodiment, an anticorrosive layer may be disposed on the surface of the outer shell 220, and the anticorrosive layer is formed by coating an anticorrosive paint, where the anticorrosive paint is a conventional commercially available anticorrosive paint.

Optionally, the bottom plate 260 is a steel plate, and the steel plate has the characteristics of high strength, wear resistance and easy material availability.

Optionally, the shape of the bottom plate 260 is rectangular, circular or other irregular shapes, and the specific shape is set according to the needs of on-site construction, which is not limited herein.

Alternatively, the connecting plate 221 and the first sliding plate 240 are connected by means of bolts.

Specifically, the connecting plate 221 is provided with a plurality of first through holes, the first sliding plate 240 is provided with a plurality of second through holes, and the second through holes are arranged corresponding to the first through holes. The connecting plate 221 and the first sliding plate 240 are connected together by a bolt passing through the first through hole and the second through hole and then being locked by a nut.

The connection plate 221 and the first sliding plate 240 can be firmly connected by using bolts, and are convenient to detach and install.

Optionally, the number of the first through holes and the number of the second through holes may be 3, 4, 5, etc., and the specific number is set according to the size of the connecting plate 221 and the first sliding plate 240, which is not limited herein.

Optionally, the second sliding plate 250 is connected to the bottom plate 260 by means of bolts.

Specifically, the second sliding plate 250 is provided with a plurality of third through holes, the bottom plate 260 is provided with a plurality of fourth through holes, and the third through holes and the fourth through holes are correspondingly arranged. The bottom plate 260 and the second sliding plate 250 are connected together by bolts passing through the third through holes and the fourth through holes and then being locked by nuts.

The bolt connection can be used to firmly connect the bottom plate 260 and the second sliding plate 250, and is convenient to detach and install.

Optionally, the number of the third through holes and the number of the fourth through holes may be 3, 4, 5, and the like, and the specific number is set according to the size of the bottom plate 260 and the second sliding plate 250, which is not limited herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A pipeline heat-insulation sliding support is characterized by comprising a prefabricated pipe and a support body;

the support body comprises a support, a first sliding plate, a second sliding plate and a bottom plate which are sequentially stacked, the first sliding plate and the second sliding plate can slide relatively, a heat insulation sleeve is sleeved on the outer surface of the support, and one end, far away from the first sliding plate, of the support is connected with the outer wall of the prefabricated pipe.

2. The pipe thermal slide mount of claim 1, wherein said thermal jacket comprises an outer shell and an insulating layer, said insulating layer being located between said outer shell and said bracket surface.

3. The pipe thermal sliding support according to claim 2, wherein the thermal insulation layer is a thermal insulation concrete layer.

4. The conduit insulation shoe of claim 1 wherein said bracket is attached to said preformed tube by welding.

5. The pipeline heat-insulating sliding support according to claim 1, wherein the prefabricated pipe comprises a steel pipe, an outer protecting pipe and a heat-insulating pipe, and the heat-insulating pipe and the outer protecting pipe are sequentially sleeved on the outer wall of the steel pipe from inside to outside.

6. The pipe thermal slide support of claim 1, wherein said first sliding plate is a teflon plate; the second sliding plate is a polytetrafluoroethylene plate.

7. The conduit insulating sliding support of claim 2, wherein the housing comprises a connecting plate and a side wall connected to the connecting plate, wherein an end of the side wall remote from the connecting plate is provided with an opening for insertion of the bracket, and a side of the connecting plate remote from the side wall is connected to the first sliding plate.

8. The conduit insulating sliding support according to claim 7, wherein a first cavity and a second cavity are provided in the housing, the first cavity is communicated with the opening, and the cross-sectional area of the first cavity is smaller than that of the second cavity.

9. The conduit insulation shoe of claim 7 wherein said connecting plate is bolted to said first sliding plate.

10. The conduit thermal slide mount of claim 1 wherein said second sliding plate is bolted to said bottom plate.

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