CN217713957U - Crosslinked polyethylene thermal insulation pipe - Google Patents

Abstract

The utility model provides a crosslinked polyethylene insulating tube belongs to the insulating tube field. Include sealed water pipe, heat preservation, polyethylene layer and protective layer from inside to outside in proper order, just sealed water pipe, heat preservation, polyethylene layer and protective layer between fixed through the viscose, the heat preservation in be equipped with compressive structures, compressive structures include that a plurality of is the bracing piece that the annular array placed, heat preservation and sealed water pipe and heat preservation between be equipped with additional strengthening respectively. Its advantage is in that the polyethylene layer makes the pipeline resist low temperature lactic acid alkali corrosion, and throws away under low temperature environment and keeps the compliance, and electrical insulation is high, and the protective layer is located the outermost circle of pipeline for protection pipeline and polyethylene layer prevent external environment wearing and tearing polyethylene layer. The heat preservation is used for reducing and even completely cuts off the inside and outside heat exchange of pipeline, makes the temperature in the sealed water pipe not receive external disturbance as far as possible, and compressive structures increases the compressive capacity of pipeline, prevents that the sealed water pipe that pipeline pressurized deformation leads to from receiving the extrusion and reducing or even the shutoff.

Description

Crosslinked polyethylene thermal insulation pipe

Technical Field

The utility model belongs to the insulating tube field especially relates to a crosslinked polyethylene insulating tube.

Background

The polyethylene PE has excellent physical, chemical and mechanical properties, good toughness, flexibility and buffering performance, electrical insulation, heat insulation and other properties, and is widely applied to the fields of packaging, chemical engineering, buildings and the like.

At present, the underground pipeline applied to liquid medium transmission is corroded by underground severe environment, is easy to corrode and has poor strength.

In addition, various water heating apparatuses used at home, particularly, solar water heaters and the like are installed at a high floor position. In cold seasons, when hot water is used, the hot water generally needs to flow a long distance, during which the water temperature is easily lowered. In order to reduce the heat loss phenomenon, people often wrap a layer of sponge outside the transmission pipeline, but after a long service life, the sponge is easily damaged.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a crosslinked polyethylene insulating tube.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a crosslinked polyethylene insulating tube, includes sealed water pipe, heat preservation, polyethylene layer and protective layer from inside to outside in proper order, just sealed water pipe, heat preservation, polyethylene layer and protective layer between fixed through the viscose, the heat preservation in be equipped with compressive structures, compressive structures include that a plurality of is the bracing piece that the annular array placed, heat preservation and sealed water pipe and heat preservation between be equipped with additional strengthening respectively.

In foretell crosslinked polyethylene insulating tube, the heat preservation include two-layer rock wool layer and one deck sponge layer, the sponge layer press from both sides between two rock wool layers, just compressive structures set up between two rock wool layers and run through the sponge layer.

In the crosslinked polyethylene heat-insulating pipe, two ends of the supporting rod are respectively arranged on the two rock wool layers.

In the crosslinked polyethylene heat-insulating pipe, the reinforcing structure between the heat-insulating layer and the sealing water pipe comprises a plurality of first reinforcing strips which are arranged on the surface of the outer ring of the sealing water pipe in a protruding mode, the first reinforcing strips extend into the rock wool layer located on the inner ring, and the outer surface of the first reinforcing strips is covered with the viscose.

In foretell crosslinked polyethylene insulating tube, heat preservation and polyethylene layer between additional strengthening include that a plurality of archs set up the second reinforcing bar at the rock wool layer surface that is located the outer lane, the second reinforcing bar extend to be located the polyethylene in situ, the viscose cover at second reinforcing bar surface.

In the cross-linked polyethylene thermal insulation pipe, the cross sections of the first reinforcing strip and the second reinforcing strip are semicircular.

In foretell crosslinked polyethylene insulating tube, first enhancement strip be the heliciform winding and set up at the sealed water pipe surface of tubes, the second enhancement strip be the heliciform winding and set up on the rock wool layer surface that is located the outer lane.

In the crosslinked polyethylene heat-insulating pipe, the protective layer is a corrugated pipe, and the outer surface of the corrugated pipe is in a spiral or node type.

In the cross-linked polyethylene heat-insulating pipe, two ends of the supporting rod are respectively provided with a supporting block, and the width of each supporting block is greater than that of the supporting rod.

In the cross-linked polyethylene heat-insulating pipe, the joint between the supporting block and the supporting rod is arc-shaped.

Compared with the prior art, the utility model has the advantages of:

1. the polyethylene layer makes the pipeline resist low temperature and lactic acid and alkali corrosion, and throws away under low temperature environment and keeps the compliance, and electrical insulation is high, and the protective layer is located the outermost circle of pipeline for protection pipeline and polyethylene layer prevent external environment wearing and tearing polyethylene layer. The heat preservation is used for reducing and even completely cuts off the inside and outside heat exchange of pipeline, makes the temperature in the sealed water pipe not receive external disturbance as far as possible, and compressive structures increases the compressive capacity of pipeline, prevents that the sealed water pipe that pipeline pressurized deformation leads to from receiving the extrusion and reducing or even the shutoff.

2. Set compression structure between two rock wool layers and run through the sponge layer, not only increase the compressive strength of pipeline itself, can also protect rock wool layer and sponge layer not receive the extrusion.

Drawings

Fig. 1 is a front schematic view of the present invention.

In the figure: the sealing water pipe comprises a sealing water pipe 10, a heat insulation layer 11, a polyethylene layer 12, a protective layer 13, a compression-resistant structure 14, a reinforcing structure 15, a rock wool layer 16, a sponge layer 17, a support rod 18, a first reinforcing strip 19, a second reinforcing strip 20 and a support block 21.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Combine figure 1 to show, a crosslinked polyethylene insulating tube includes sealed water pipe 10, heat preservation 11, polyethylene layer 12 and protective layer 13 from inside to outside in proper order, just sealed water pipe 10, heat preservation 11, polyethylene layer 12 and protective layer 13 between fixed through the viscose, heat preservation 11 in be equipped with compressive structures 14, compressive structures 14 include that a plurality of is the bracing piece 18 that annular array placed, heat preservation 11 and sealed water pipe 10 and heat preservation 11 between be equipped with additional strengthening 15 respectively.

In this embodiment, the thermal insulation pipe has a multi-layer structure, the polyethylene layer 12 makes the pipe resistant to low temperature and acid-base corrosion, and keeps flexibility in low temperature environment, the electrical insulation is high, the protective layer 13 is located at the outermost ring of the pipe for protecting the pipe and the polyethylene layer 12, and preventing the polyethylene layer 12 from being worn by external environment. Insulating layer 11 is used for reducing and even completely cuts off the inside and outside heat exchange of pipeline, makes the temperature in the sealed water pipe 10 not receive external disturbance as far as possible, and compressive structure 14 increases the compressive capacity of pipeline, prevents that the sealed water pipe that the pipeline pressurized deformation leads to from receiving the extrusion and dwindling even shutoff, and additional strengthening 15 is used for increasing insulating layer 11 and sealed water pipe 10 and insulating layer 11's compactness of being connected.

The heat preservation 11 include two-layer rock wool layer 16 and one deck sponge layer 17, sponge layer 17 press from both sides between two rock wool layer 16, just compression-resistant structure 14 set up between two rock wool layer 16 and run through sponge layer 17.

In this embodiment, rock wool layer 16 is used for keeping warm, and the further heat preservation that keeps warm of sponge layer 17 between rock wool layer 16, because rock wool layer 16 and sponge layer 17's intensity is relatively weak, consequently sets up compression-resistant structure 14 between two rock wool layers 16 and runs through sponge layer 17, not only increases the compressive strength of pipeline itself, can also protect rock wool layer 16 and sponge layer 17 not to receive the extrusion.

The compression-resistant structure 14 comprises a plurality of support rods 18 arranged in an annular array, and two ends of each support rod 18 are respectively arranged on two rock wool layers 16.

In this embodiment, the support rod 18 is disposed between two rock wool layers 16, and is placed evenly between two rock wool layers 16 in a circular array, and plays a role in supporting and protecting.

The reinforcing structure 15 between the heat preservation layer 11 and the sealing water pipe 10 comprises a plurality of first reinforcing strips 19 which are arranged on the surface of the outer ring of the sealing water pipe 10 in a protruding mode, the first reinforcing strips 19 extend into the rock wool layer 16 located on the inner ring, and the outer surface of the first reinforcing strips 19 is covered with the viscose glue.

In this embodiment, the first reinforcing strip 19 increases the contact area with the rock wool layer 16, and the adhesive is matched to increase the adhesive strength.

The additional strengthening 15 between heat preservation 11 and the polyethylene layer 12 include that a plurality of archs set up the second reinforcing bar 20 at the rock wool layer 16 surface that is located the outer lane, second reinforcing bar 20 extend into and be located polyethylene layer 12, the viscose cover at second reinforcing bar 20 surface.

In this embodiment, the second reinforcing strip 20 extends into the polyethylene layer 12, increasing the contact area with the polyethylene layer 12, and the adhesive is matched to increase the adhesive strength.

The first reinforcing strip 19 and the second reinforcing strip 20 are semicircular in cross section.

In this embodiment, the first reinforcing strips 19 and the second reinforcing strips 20 do not have sharp water caltrops, preventing internal abrasion.

First enhancement strip 19 be the heliciform winding and set up at sealed water pipe 10 surface, second enhancement strip 20 be the heliciform winding and set up on the rock wool layer 16 surface that is located the outer lane.

In the present example, the helical shape has a greater torsional strength than the linear shape.

The protective layer 13 is a corrugated pipe, and the outer surface of the corrugated pipe is in a spiral or node type.

In this embodiment, the bellows increases the housing protective strength.

Two ends of the support bar 18 are respectively provided with a support block 21, and the width of the support block 21 is larger than that of the support bar 18.

In this embodiment, the contact area between the support rods 18 and the two rock wool layers 16 is increased, and the compressive strength is increased.

The connection between the supporting block 21 and the supporting rod 18 is arc-shaped.

In the present embodiment, the supporting block 21 and the supporting rod 18 are integrally formed, and the joint between the supporting block 21 and the supporting rod 18 has no diamond.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the sealed water pipe 10, the insulating layer 11, the polyethylene layer 12, the protective layer 13, the pressure-resistant structure 14, the reinforcing structure 15, the rock wool layer 16, the sponge layer 17, the support rods 18, the first reinforcing strips 19, the second reinforcing strips 20, the support blocks 21, etc., are used more extensively herein, these terms are used only for the convenience of describing and explaining the essence of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.

Claims (10)

1. The utility model provides a crosslinked polyethylene insulating tube, its characterized in that includes sealed water pipe (10), heat preservation (11), polyethylene layer (12) and protective layer (13) from inside to outside in proper order, just sealed water pipe (10), heat preservation (11), polyethylene layer (12) and protective layer (13) between fixed through the viscose, heat preservation (11) in be equipped with compressive structures (14), compressive structures (14) be bracing piece (18) that annular array placed including a plurality of, heat preservation (11) and sealed water pipe (10) and heat preservation (11) between be equipped with additional strengthening (15) respectively.

2. The pipe according to claim 1, wherein the insulation layer (11) comprises two rock wool layers (16) and a sponge layer (17), the sponge layer (17) is sandwiched between the two rock wool layers (16), and the compression-resistant structure (14) is disposed between the two rock wool layers (16) and penetrates through the sponge layer (17).

3. The insulating pipe as claimed in claim 2, characterized in that the compression-resistant structure (14) comprises a plurality of support rods (18) arranged in an annular array, the support rods (18) being arranged at two ends on two rock wool layers (16), respectively.

4. The cross-linked polyethylene thermal insulation pipe according to claim 3, wherein the reinforcing structure (15) between the thermal insulation layer (11) and the sealing water pipe (10) comprises a plurality of first reinforcing strips (19) which are arranged on the surface of the outer ring of the sealing water pipe (10) in a protruding mode, the first reinforcing strips (19) extend into the rock wool layer (16) located on the inner ring, and the adhesive covers the outer surface of the first reinforcing strips (19).

5. The insulating pipe as claimed in claim 4, characterized in that the reinforcing structure (15) between the insulating layer (11) and the polyethylene layer (12) comprises a plurality of second reinforcing bars (20) protruding from the outer surface of the rock wool layer (16) of the outer ring, said second reinforcing bars (20) extending into the polyethylene layer (12), said glue covering the outer surface of the second reinforcing bars (20).

6. The insulating tube of claim 5, wherein the first (19) and second (20) reinforcing strips are semi-circular in cross-section.

7. The insulating pipe as claimed in claim 6, wherein the first reinforcing strips (19) are spirally wound on the outer surface of the sealing water pipe (10), and the second reinforcing strips (20) are spirally wound on the outer surface of the rock wool layer (16) on the outer ring.

8. The crosslinked polyethylene thermal insulation pipe according to claim 7, wherein the protective layer (13) is a corrugated pipe, and the outer surface of the corrugated pipe is spiral or corrugated.

9. The thermal insulation pipe of crosslinked polyethylene according to claim 3, wherein the supporting bar (18) is provided at both ends thereof with a supporting block (21), and the supporting block (21) has a width larger than that of the supporting bar (18).

10. The insulating tube of claim 9, wherein the joints between the supporting blocks (21) and the supporting rods (18) are arc-shaped.

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