CN213809249U - Heat-resistant polyethylene flexible composite pipe - Google Patents
Heat-resistant polyethylene flexible composite pipe Download PDFInfo
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- CN213809249U CN213809249U CN202022513160.XU CN202022513160U CN213809249U CN 213809249 U CN213809249 U CN 213809249U CN 202022513160 U CN202022513160 U CN 202022513160U CN 213809249 U CN213809249 U CN 213809249U
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Abstract
The utility model belongs to the technical field of the pipeline technique and specifically relates to a flexible compound pipe of polyethylene of heat-resistant type, which comprises a pipe body, the body includes first polyethylene flexible pipe, first polyethylene flexible pipe is inside to be equipped with the second polyethylene flexible pipe with the axle center cover, the fixed wire mesh hose that is equipped with of common suit between second polyethylene flexible pipe and the first polyethylene flexible pipe, the fixed heat-resistant layer that is equipped with on the intraductal lateral wall of second polyethylene flexible pipe, the heat-resistant layer is including high temperature resistant layer and insulating layer, the fixed setting in high temperature resistant layer is between insulating layer and the intraductal lateral wall of second polyethylene flexible pipe, high temperature resistant layer includes glass fiber layer, fluorine silica gel layer and mica layer, the fluorine silica layer is fixed to be set up between glass fiber layer and mica layer, the fluorine silica layer is fixed on the intraductal lateral wall of second polyethylene flexible pipe. The utility model discloses under the combined action of insulating layer and high temperature resistant layer, let this heat-resistant type's flexible composite pipe of polyethylene have good heat resistance.
Description
Technical Field
The utility model relates to the technical field of pipelines, especially, relate to a flexible compound pipe of polyethylene of heat-resistant type.
Background
The flexible composite polyethylene pipe is produced with two kinds of polyethylene resin in different density and through simultaneous plasticizing and melting in two extruders, extruding the molten material into one mold capable of forming composite pipe, and forming the composite flexible polyethylene pipe. The existing polyethylene flexible composite pipe has poor heat resistance, and when the polyethylene flexible composite pipe is used for conveying high-temperature gas or high-temperature liquid, the inner wall of the polyethylene flexible composite pipe is easily damaged by the high-temperature gas or the high-temperature liquid, so that the requirement is met by the heat-resistant polyethylene flexible composite pipe.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming of poor heat resistance of the flexible compound pipe of polyethylene who exists among the prior art, and the flexible compound pipe of polyethylene of a heat-resistant type who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a heat-resistant polyethylene flexible composite pipe, includes the body, the body includes first polyethylene flexible pipe, first polyethylene flexible pipe inside is equipped with the second polyethylene flexible pipe with the axle center cover, the fixed wire net hose that is equipped with of common suit between second polyethylene flexible pipe and the first polyethylene flexible pipe, fixed heat-resistant layer that is equipped with on the inside wall of second polyethylene flexible pipe, heat-resistant layer includes high temperature resistant layer and insulating layer, high temperature resistant layer is fixed to be set up between insulating layer and the inside wall of second polyethylene flexible pipe, high temperature resistant layer includes glass fiber layer, fluorine silica gel layer and mica layer, the fluorine silica gel layer is fixed to be set up between glass fiber layer and mica layer, the fluorine silica gel layer is fixed on the inside wall of second polyethylene flexible pipe, the insulating layer is fixed on the insulating layer.
Preferably, the heat insulation layer comprises a rock wool layer, an aluminum silicate layer and a microporous calcium silicate layer, the aluminum silicate layer is fixedly arranged between the rock wool layer and the microporous calcium silicate layer, and the rock wool layer is fixed on the mica layer.
Preferably, a second connecting ring is fixedly sleeved on the outer side wall on one end of the pipe body, a fluorosilicone rubber ring is fixedly arranged on the top end of the pipe body on one side of the second connecting ring, bolts are arranged on the second connecting ring in an equidistant and penetrating manner, a first fixing ring is vertically and fixedly arranged on the other end of the pipe body, the outer diameter of the first fixing ring is larger than that of the pipe body, the inner diameter of the first fixing ring is smaller than that of the pipe body, a second fixing ring is fixedly arranged on the side face, opposite to the pipe body, of the first fixing ring coaxially, the outer diameter of the second fixing ring is equal to that of the first fixing ring, the inner diameter of the second fixing ring is larger than that of the first fixing ring, a first connecting ring is fixedly arranged on the side face, opposite to the first fixing ring, of the second fixing ring and the first connecting ring coaxially, and the inner diameter of the first connecting ring is equal to that of the second fixing ring, the outer diameter of the first connecting ring is larger than that of the second fixing ring, and threaded holes corresponding to the bolts are formed in the side faces, back to back, of the first connecting ring and the second fixing ring.
Preferably, the inside coaxial axle center of the fixed ring of second is equipped with spacing ring, spacing ring one end is fixed on first fixed ring, and the internal diameter of first fixed ring equals spacing ring's internal diameter, spacing ring's external diameter is less than the internal diameter of the fixed ring of second.
Preferably, the two ends inside the pipe body are symmetrically fixed and inserted with guide rings, and one end of one of the guide rings is fixed on the side surface of the first fixed ring.
The utility model provides a flexible compound pipe of polyethylene of heat-resistant type, beneficial effect lies in: this flexible compound pipe of polyethylene of heat-resistant type is when using, the glass fiber layer, fluorine silica gel layer and mica layer all have good high temperature resistance, consequently by the glass fiber layer, the high temperature resistant layer that fluorine silica gel layer and mica layer are constituteed can let the body have good high temperature resistance, in addition the insulating layer can prevent the high-temperature gas of transportation in the body or the heat of high-temperature liquid passes through high temperature resistant layer and transmits for the second polyethylene flexible pipe, under the combined action on insulating layer and high temperature resistant layer, let this flexible compound pipe of polyethylene of heat-resistant type have good heat resistance.
Drawings
Fig. 1 is a schematic structural diagram of a heat-resistant polyethylene flexible composite pipe provided by the present invention;
fig. 2 is an enlarged view of a heat-resistant polyethylene flexible composite pipe shown in fig. 1 at a;
fig. 3 is a schematic view of a part of the structure of the heat-resistant layer of the heat-resistant polyethylene flexible composite pipe according to the present invention;
fig. 4 is a left side view of a heat-resistant polyethylene flexible composite pipe according to the present invention;
fig. 5 is a schematic structural diagram illustrating an assembly of a heat-resistant polyethylene flexible composite pipe according to the present invention.
In the figure: body 1, first polyethylene flexible pipe 2, wire mesh hose 3, second polyethylene flexible pipe 4, heat-resistant layer 5, glass fiber layer 6, fluorine silica gel layer 7, mica layer 8, rock wool layer 9, aluminium silicate layer 10, micropore calcium silicate layer 11, high temperature resistant layer 12, insulating layer 13, first fixed ring 14, the fixed ring 15 of second, spacing ring 16, first connection ring 17, screw hole 18, water conservancy diversion ring 19, fluorine silica rubber circle 20, second connection ring 21, bolt 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1-4, a heat-resistant polyethylene flexible composite pipe comprises a pipe body 1, the pipe body 1 comprises a first polyethylene flexible pipe 2, a second polyethylene flexible pipe 4 coaxially sleeved inside the first polyethylene flexible pipe 2, a steel wire mesh hose 3 fixedly sleeved between the second polyethylene flexible pipe 4 and the first polyethylene flexible pipe 2, a heat-resistant layer 5 fixedly arranged on the inner side wall of the second polyethylene flexible pipe 4, the heat-resistant layer 5 comprising a high temperature-resistant layer 12 and a thermal insulation layer 13, the high temperature-resistant layer 12 fixedly arranged between the thermal insulation layer 13 and the inner side wall of the second polyethylene flexible pipe 4, the high temperature-resistant layer 12 comprising a glass fiber layer 6, a fluorosilicone layer 7 and a mica layer 8, the fluorosilicone layer 7 fixedly arranged between the glass fiber layer 6 and the mica layer 8, the fluorosilicone layer 7 fixed on the inner side wall of the second polyethylene flexible pipe 4, the mica layer 8 fixed on the thermal insulation layer 13, the heat insulation layer 13 comprises a rock wool layer 9, an aluminum silicate layer 10 and a microporous calcium silicate layer 11, the aluminum silicate layer 10 is fixedly arranged between the rock wool layer 9 and the microporous calcium silicate layer 11, and the rock wool layer 9 is fixed on the mica layer 8. The rock wool layer 9, the aluminum silicate layer 10 and the microporous calcium silicate layer 11 all have good heat insulation properties, so the heat insulation layer 13 consisting of the rock wool layer 9, the aluminum silicate layer 10 and the microporous calcium silicate layer 11 also has good heat insulation properties.
When the heat-resistant polyethylene flexible composite pipe is used, the glass fiber layer 6, the fluorosilicone layer 7 and the mica layer 8 have good high-temperature resistance, so the high-temperature resistant layer 12 consisting of the glass fiber layer 6, the fluorosilicone layer 7 and the mica layer 8 can enable the pipe body to have good high-temperature resistance, in addition, the heat-insulating layer 13 can prevent the heat of high-temperature gas or high-temperature liquid transported in the pipe body 1 from being transferred to the second polyethylene flexible pipe 4 through the high-temperature resistant layer 12, and under the combined action of the heat-insulating layer 13 and the high-temperature resistant layer 12, the heat-resistant polyethylene flexible composite pipe has good heat resistance.
Example 2
In embodiment 1, both ends of the heat-resistant type polyethylene flexible composite pipe are not provided with a connecting mechanism, which is very inconvenient for connecting two heat-resistant type polyethylene flexible composite pipes together, referring to fig. 1, 3 and 5, as another preferred embodiment of the present invention, the difference from embodiment 1 is that a second connecting ring 21 is fixedly sleeved on the outer side wall of one end of the pipe body 1 coaxially, a fluorosilicone rubber ring 20 is fixedly arranged on the top end of the pipe body 1 at one side of the second connecting ring 21, bolts 22 are equidistantly arranged and penetratingly mounted on the second connecting ring 21, a first fixing ring 14 is vertically fixedly arranged on the other end of the pipe body 1, the outer diameter of the first fixing ring 14 is larger than the outer diameter of the pipe body 1, the inner diameter of the first fixing ring 14 is smaller than the inner diameter of the pipe body 1, a second fixing ring 15 is fixedly arranged coaxially on the side surface of the first fixing ring 14 opposite to the pipe body 1, the outer diameter of the second fixed ring 15 is equal to the outer diameter of the first fixed ring 14, the inner diameter of the second fixed ring 15 is larger than the inner diameter of the first fixed ring 14, the first connecting ring 17 is fixedly arranged on the side surface of the second fixed ring 15, which is opposite to the first fixed ring 14, coaxially, the inner diameter of the first connecting ring 17 is equal to the inner diameter of the second fixed ring 15, the outer diameter of the first connecting ring 17 is larger than the outer diameter of the second fixed ring 15, the side surface of the first connecting ring 17, which is opposite to the second fixed ring 15, is provided with a threaded hole 18 corresponding to the bolt 22, the inner part of the second fixed ring 15 is coaxially provided with a limiting ring 16, one end of the limiting ring 16 is fixed on the first fixed ring 14, the inner diameter of the first fixed ring 14 is equal to the inner diameter of the limiting ring 16, and the outer diameter of the limiting ring 16 is smaller than the inner diameter of the second fixed ring 15, the two ends inside the pipe body 1 are symmetrically fixed and inserted with guide rings 19, and one end of one guide ring 19 is fixed on the side surface of the first fixed ring 14. The cavity inside the guide ring 19 is in an inverted circular truncated cone shape, and the diameter of the end, opposite to the cavity inside the two guide rings 19, of each guide ring 19 is larger than the diameter of the end, opposite to the cavity inside the two guide rings 19, of each guide ring 19, so that the arrangement of the guide rings 19 does not cause obstruction to the flowing of high-temperature gas or high-temperature liquid in the pipe body 1 by the aid of the first fixing rings 14.
When two heat-resistant polyethylene flexible composite pipes are connected together, one end of one heat-resistant polyethylene flexible composite pipe, which is provided with the fluorosilicone rubber ring 20, is inserted between the second fixed ring 15 and the limiting ring 16 on the other heat-resistant polyethylene flexible composite pipe, so that the bolt 22 on one heat-resistant polyethylene flexible composite pipe is in threaded installation in the threaded hole 18 on the other heat-resistant polyethylene flexible composite pipe, after the bolt 22 is installed in the threaded hole 18, the top end of the fluorosilicone rubber ring 20 on one heat-resistant polyethylene flexible composite pipe is in close contact with the side face of the first fixed ring 14 on the other heat-resistant polyethylene flexible composite pipe, and the connection tightness of the two heat-resistant polyethylene flexible composite pipes can be further ensured.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a flexible compound pipe of polyethylene of heat-resistant type, includes body (1), its characterized in that, body (1) includes first polyethylene flexible pipe (2), first polyethylene flexible pipe (2) inside is with axle center cover second polyethylene flexible pipe (4) is equipped with, common suit is fixed between second polyethylene flexible pipe (4) and first polyethylene flexible pipe (2) is equipped with wire net hose (3), fixed heat-resistant layer (5) that is equipped with on second polyethylene flexible pipe (4) inside wall, heat-resistant layer (5) include high temperature resistant layer (12) and insulating layer (13), high temperature resistant layer (12) are fixed to be set up between insulating layer (13) and second polyethylene flexible pipe (4) inside wall, high temperature resistant layer (12) include glass fiber layer (6), fluorine silica gel layer (7) and mica layer (8), fluorine silica gel layer (7) are fixed to be set up between glass fiber layer (6) and mica layer (8), the fluorine silica gel layer (7) is fixed on the inner side wall of the second polyethylene flexible pipe (4), and the mica layer (8) is fixed on the heat insulation layer (13).
2. The heat-resistant polyethylene flexible composite pipe according to claim 1, wherein the thermal insulation layer (13) comprises a rock wool layer (9), an aluminum silicate layer (10) and a microporous calcium silicate layer (11), the aluminum silicate layer (10) is fixedly arranged between the rock wool layer (9) and the microporous calcium silicate layer (11), and the rock wool layer (9) is fixed on the mica layer (8).
3. The heat-resistant polyethylene flexible composite pipe according to claim 1, wherein a second connecting ring (21) is fixedly sleeved on the outer side wall of one end of the pipe body (1) coaxially, a fluorosilicone rubber ring (20) is fixedly arranged on the top end of the pipe body (1) on one side of the second connecting ring (21), bolts (22) are installed on the second connecting ring (21) equidistantly and in a penetrating manner, a first fixing ring (14) is vertically and fixedly arranged on the other end of the pipe body (1), the outer diameter of the first fixing ring (14) is larger than that of the pipe body (1), the inner diameter of the first fixing ring (14) is smaller than that of the pipe body (1), a second fixing ring (15) is fixedly arranged coaxially on the opposite side surfaces of the first fixing ring (14) and the pipe body (1), and the outer diameter of the second fixing ring (15) is equal to that of the first fixing ring (14), the inner diameter of the second fixed ring (15) is greater than the inner diameter of the first fixed ring (14), the first connecting ring (17) is fixedly arranged on the side face of the second fixed ring (15) opposite to the side face of the first fixed ring (14) with the axis, the inner diameter of the first connecting ring (17) is equal to the inner diameter of the second fixed ring (15), the outer diameter of the first connecting ring (17) is greater than the outer diameter of the second fixed ring (15), and the threaded holes (18) corresponding to the bolts (22) are formed in the side faces of the first connecting ring (17) opposite to the side face of the second fixed ring (15).
4. A heat-resistant flexible polyethylene composite pipe according to claim 3, wherein a limiting ring (16) is coaxially arranged inside the second fixing ring (15), one end of the limiting ring (16) is fixed on the first fixing ring (14), the inner diameter of the first fixing ring (14) is equal to the inner diameter of the limiting ring (16), and the outer diameter of the limiting ring (16) is smaller than the inner diameter of the second fixing ring (15).
5. A heat-resistant flexible polyethylene composite pipe as claimed in claim 1, wherein flow guide rings (19) are symmetrically fixed and inserted at two ends of the inside of the pipe body (1), and one end of one of the flow guide rings (19) is fixed on the side surface of the first fixed ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022513160.XU CN213809249U (en) | 2020-11-04 | 2020-11-04 | Heat-resistant polyethylene flexible composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022513160.XU CN213809249U (en) | 2020-11-04 | 2020-11-04 | Heat-resistant polyethylene flexible composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213809249U true CN213809249U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022513160.XU Active CN213809249U (en) | 2020-11-04 | 2020-11-04 | Heat-resistant polyethylene flexible composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213809249U (en) |
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2020
- 2020-11-04 CN CN202022513160.XU patent/CN213809249U/en active Active
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