CN207609880U - Heat-resistant fireproof double-wall pipe - Google Patents
Heat-resistant fireproof double-wall pipe Download PDFInfo
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- CN207609880U CN207609880U CN201721782802.8U CN201721782802U CN207609880U CN 207609880 U CN207609880 U CN 207609880U CN 201721782802 U CN201721782802 U CN 201721782802U CN 207609880 U CN207609880 U CN 207609880U
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- wall pipe
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- ceramic fibre
- refractory ceramic
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Abstract
The utility model is related to double-wall pipe fields, and in particular to a kind of heat-resistant fireproof double-wall pipe, heat-resistant fireproof double-wall pipe, including thickness ratio are 1:3 internal layer hot melt adhesive layer and outer layer PE shrink wrap layers, which further includes volume being squeezed out with double-layer coextrusion form outside all outer layer PE shrink wrap layers, to be had cross-linking radiation inner insulating layer and LSOH anti-flaming cross-linking radiation insulating outer layer, further includes oxygen barrier layer, thermal insulation layer and the ethylene propylene diene rubber restrictive coating being adhered to outside insulating outer layer.The utility model high temperature resistance is good, flame retardant property is good, service life is long.
Description
Technical field
The utility model is related to double-wall pipe fields, more particularly to heat-resistant fireproof double-wall pipe.
Background technology
Double-wall pipe is that outer layer uses high-quality, soft crosslinked polyolefin materials, internal layer hot melt adhesive Compound Machining to form.Outer layer
Material has many advantages, such as that insulating corrosion, wear-resisting, internal layer have low melting point, waterproof, sealing and high adhesiveness.Double-wall pipe is wide
It is general applied to the wiring waterproof of electronic equipment, anti-gas-leak；The anti-corrosion protection of electric wire bifurcation, the repairing of electric wire, water pump and
The occasions such as the wiring waterproof of immersible pump.
In actual use, since electric wire connection point is also easy to produce open fire due to short circuit etc., fire spreading easily causes fire
Calamity, security risk is big, and the prior art does not have flame retarding function, and the high temperature meeting that fire generates for the double-wall pipe of electric wire connection point
Cause double-wall pipe serious aging, service life short.
Utility model content
To solve the above problems, the utility model provides, a kind of high temperature resistance is good, flame retardant property is good, with long service life
Heat-resistant fireproof double-wall pipe.
Technical solution used by the utility model is：Heat-resistant fireproof double-wall pipe, including thickness ratio are 1:3 internal layer heat
Melt layer and outer layer PE shrink wrap layers further include volume has spoke outside all outer layer PE shrink wrap layers with double-layer coextrusion form extrusion
According to cross linked insulation internal layer and LSOH anti-flaming cross-linking radiation insulating outer layer, further include be adhered to it is oxygen barrier outside insulating outer layer
Layer, thermal insulation layer and ethylene propylene diene rubber restrictive coating.
To being further improved as the ethylene propylene diene rubber restrictive coating is opened close to the side of thermal insulation layer for above-mentioned technical proposal
Equipped with several grooves, halogen-free flameproof particle is filled in groove.
To being further improved as the thermal insulation layer includes the warp refractory for being woven into longitude and latitude shape for above-mentioned technical proposal
Fiber and weft refractory ceramic fibre, the wave crest of the warp refractory ceramic fibre and the trough phase of weft refractory ceramic fibre
It hands over, the trough of the warp refractory ceramic fibre intersects with the wave crest of weft refractory ceramic fibre.
To being further improved as the warp refractory ceramic fibre and weft refractory ceramic fibre are equal for above-mentioned technical proposal
It is corrugated.
To being further improved as the internal layer hot melt adhesive layer is Transparent color, and outer layer PE shrink wrap layers are for above-mentioned technical proposal
It is red.
The beneficial effects of the utility model are：
1, on the one hand, it is made of internal layer hot melt adhesive layer and outer layer PE shrink wrap layer bilayers, and the two thickness ratio is 1：3, outer layer
PE shrink wrap layers are irradiated crosslinked polyalkene material, and internal layer hot melt adhesive layer is hot melt adhesive, and outer layer polyolefin insulation, fire-retardant, physics and chemistry is electric
Gas is had excellent performance, internal layer hot melt adhesive energy buffer mechanism strain and leakproofness it is strong, major function be insulation, sealing, waterproof, anti-corrosion,
Anti-gas-leak etc. is widely used in the fields such as the sealed insulation, waterproof and anticorrosion of all kinds of harness, electric wire and metal pipe bar etc., by
It is expanded after heat, cooling after-contraction, completion seals up at cable connector, and sealing effect is good.Second aspect further includes volume set on all
There are cross-linking radiation inner insulating layer and LSOH anti-flaming cross-linking radiation with double-layer coextrusion form extrusion outside outer layer PE shrink wrap layers
Insulating outer layer, inner insulating layer and insulating outer layer do not use the polyolefine material system of aluminium hydroxide and flame retardant of magnesium hydroxide
At, but the not cross-linking radiation inner insulating layer and LSOH anti-flaming of aluminium hydroxide and flame retardant of magnesium hydroxide irradiation is used to hand over
Connection insulating outer layer double-layer coextrusion is made, and using novel environment friendly Insulation Material and special processing process, makes inner insulating layer and insulating outer layer
Insulation performance enhancing, heat oxygen aging resistance and resistance to photooxidation resistance service life increase, safety and environmental protection, good flame retardation effect, and service life is long.
The third aspect is equipped with oxygen barrier layer, the oxygen in external environment is isolated by oxygen barrier layer so that anaerobic is remained inside double-wall pipe
Environment is unfavorable for fire and frees, and prevents the cable being located in double-wall pipe oxidation, good flame retardation effect.Fourth aspect is equipped with heat-insulated
Layer, absorptive thermal radiation wave improve the high temperature resistance of double-wall pipe, and service life is long.5th aspect, outside are ethylene-propylene-diene monomer
Plastic boot layer, ethylene propylene diene rubber are the terpolymers of ethylene, propylene and non-conjugated diene hydrocarbon, are had preferable ageing-resistant
Performance, prevents double-wall pipe due to temperature height and thermo-oxidative ageing, high temperature resistance are good, and service life is long.
2, ethylene propylene diene rubber restrictive coating offers several grooves close to the side of thermal insulation layer, and Halogen is filled in groove
Fire-retardant particle, on the one hand, the setting of groove increases the deformation space of double-wall pipe, improves its ability of anti-deformation, extends use
In the service life, second aspect, groove is interior to be filled with halogen-free flameproof particle, further enhances the flame retardant property of double-wall pipe, can effectively prevent
Only fire spreading, good flame retardation effect, service life is long, and safety and environmental protection.
3, thermal insulation layer includes the warp refractory ceramic fibre and weft refractory ceramic fibre for being woven into longitude and latitude shape, the warp
The wave crest of refractory ceramic fibre intersects with the trough of weft refractory ceramic fibre, the trough and latitude of the warp refractory ceramic fibre
The wave crest of line refractory ceramic fibre intersects.Using refractory ceramic fibre, there is fireproof high-temperature resistant ability, further improve double-walled
The high temperature resistance of pipe, and warp refractory ceramic fibre and weft refractory ceramic fibre are woven into longitude and latitude shape, increase fire resisting pottery
The surface area of porcelain fiber so that refractory ceramic fibre can be contacted more fully with heat wave, and it is new to further enhance this practicality
The high temperature resistance of type.
4, warp refractory ceramic fibre and weft refractory ceramic fibre are corrugated, relative to linear warp fire resisting
Ceramic fibre and weft refractory ceramic fibre, wave structure increase the surface area of refractory ceramic fibre so that refractory
Fiber can be more fully with electro-magnetic wave contacts, and blocks infrared radiation wave enters inside double-wall pipe, and it is new to further enhance this practicality
The high temperature resistance of type.
5, internal layer hot melt adhesive layer is Transparent color, and outer layer PE shrink wrap layers are red, will by the internal layer hot melt adhesive layer of transparence
Double-wall pipe monolithic stability is adhered at cable connection, and sealing effect is good, and plays harness mark action, convenient for distinguishing.
Description of the drawings
Fig. 1 is the structural schematic diagram of the heat-resistant fireproof double-wall pipe of the utility model；
Fig. 2 is the structural schematic diagram of the thermal insulation layer of the utility model.
Specific implementation mode
The utility model is further described below in conjunction with embodiment.
As depicted in figs. 1 and 2, the respectively structural schematic diagram and thermal insulation layer of the heat-resistant fireproof double-wall pipe of the utility model
Structural schematic diagram.
Heat-resistant fireproof double-wall pipe 100, including thickness ratio are 1:3 internal layer hot melt adhesive layer 110 and outer layer PE shrink wrap layers
120, further include volume has cross-linking radiation inner insulating layer outside all outer layer PE shrink wrap layers 120 with double-layer coextrusion form extrusion
130 and LSOH anti-flaming cross-linking radiation insulating outer layer 140, further include be adhered to oxygen barrier layer 150 outside insulating outer layer 140,
Thermal insulation layer 160 and ethylene propylene diene rubber restrictive coating 170.
Ethylene propylene diene rubber restrictive coating 170 offers several grooves 171 close to the side of shielded layer, is filled out in groove 171
Filled with halogen-free flameproof particle, on the one hand, the setting of groove 171 increases the deformation space of double-wall pipe 100, improves its anti-deformation energy
Power extends service life, and second aspect, groove 171 is interior to be filled with halogen-free flameproof particle, further enhances double-wall pipe 100
Flame retardant property, can effectively prevent fire spreading, good flame retardation effect, service life is long, and safety and environmental protection.
Thermal insulation layer 160 includes the warp refractory ceramic fibre 161 and weft refractory ceramic fibre 162 for being woven into longitude and latitude shape,
The wave crest of the warp refractory ceramic fibre 161 intersects with the trough of weft refractory ceramic fibre 162, the warp refractory
The trough of fiber 161 intersects with the wave crest of weft refractory ceramic fibre 162.Using refractory ceramic fibre, there is fireproof high-temperature resistant
Ability further improves the high temperature resistance of double-wall pipe 100, and warp refractory ceramic fibre 161 and weft refractory are fine
Dimension 162 is woven into longitude and latitude shape, increases the surface area of refractory ceramic fibre so that refractory ceramic fibre can more fully with hot spoke
Ejected wave contacts, and further enhances the high temperature resistance of the utility model.
Warp refractory ceramic fibre 161 and weft refractory ceramic fibre 162 are corrugated, relative to linear warp
Refractory ceramic fibre 161 and weft refractory ceramic fibre 162, wave structure increase the surface area of refractory ceramic fibre, make
Obtaining refractory ceramic fibre can be more fully with electro-magnetic wave contacts, and blocks infrared radiation wave enters inside double-wall pipe 100, further to increase
The strong high temperature resistance of the utility model.
Internal layer hot melt adhesive layer 110 is Transparent color, and outer layer PE shrink wrap layers 120 are red, pass through the internal layer hot melt adhesive of transparence
110 being adhered to 100 monolithic stability of double-wall pipe at cable connection of layer, sealing effect is good, and plays harness mark action, is convenient for
It distinguishes.
On the one hand, it is made of internal layer hot melt adhesive layer 110 and 120 bilayer of outer layer PE shrink wrap layers, and the two thickness ratio is 1：3,
Outer layer PE shrink wrap layers 120 are irradiated crosslinked polyalkene material, and internal layer hot melt adhesive layer 110 is hot melt adhesive, outer layer polyolefin insulation, resistance
Combustion, physical and chemical electrical performance are excellent, and the strain of internal layer hot melt adhesive energy buffer mechanism and leakproofness are strong, and major function is insulation, seals, is anti-
Water, anti-corrosion, anti-gas-leak etc. are widely used in sealed insulation, waterproof and anticorrosion of all kinds of harness, electric wire and metal pipe bar etc. etc.
Field expands after heated, and cooling after-contraction, completion seals up at cable connector, and sealing effect is good.Second aspect further includes volume
There is cross-linking radiation inner insulating layer 130 low with Halogen with double-layer coextrusion form extrusion outside all outer layer PE shrink wrap layers 120
The fire-retardant cross-linking radiation insulating outer layer 140 of cigarette, inner insulating layer 130 and insulating outer layer 140 are without using aluminium hydroxide and hydroxide
The polyolefine material of magnesium fire retardant is made, but uses in the not cross-linking radiation of aluminium hydroxide and flame retardant of magnesium hydroxide insulation
Layer 130 and 140 double-layer coextrusion of LSOH anti-flaming cross-linking radiation insulating outer layer be made, using novel environment friendly Insulation Material and it is special plus
Work technique makes the insulation performance of inner insulating layer 130 and insulating outer layer 140 enhance, and heat oxygen aging resistance and resistance to photooxidation resistance service life increase
Add, safety and environmental protection, good flame retardation effect, service life is long.The third aspect is equipped with oxygen barrier layer 150, is isolated by oxygen barrier layer 150 outer
Oxygen in boundary's environment so that remain oxygen-free environment inside double-wall pipe 100, be unfavorable for fire and free, prevent from being located at double-walled
Cable oxidation in pipe 100, good flame retardation effect.Fourth aspect, is equipped with thermal insulation layer 160, and absorptive thermal radiation wave improves double-wall pipe
100 high temperature resistance.5th aspect, outside are ethylene propylene diene rubber restrictive coating 170, and ethylene propylene diene rubber is ethylene, third
The terpolymer of alkene and non-conjugated diene hydrocarbon has preferable ageing-resistant performance, prevents double-wall pipe 100 due to temperature Gao Erre
Oxygen aging, high temperature resistance is good, and service life is long.
The manufacturing process of the utility model is：
Take hot melt sizing material and PE pyrocondensation material first, respectively at two feed mechanism feedings, then, then be transported to one it is compound
Head, using co-extrusion technology, the double-wall pipe 100 of extrusion molding internal layer hot melt adhesive layer 110 and the composition of outer layer PE shrink wrap layers 120, most
Cross-linking radiation inner insulating layer 130 and low smoke, zero halogen resistance are squeezed out using double-layer coextrusion form in 120 outer surface of outer layer PE shrink wrap layers afterwards
Cross-linking radiation insulating outer layer 140 is fired, finally sets gradually oxygen barrier layer 150, thermal insulation layer 160 and three in 140 outer surface of insulating outer layer
First EP rubbers restrictive coating 170 obtains the heat-resistant fireproof double-wall pipe 100 of the utility model.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. heat-resistant fireproof double-wall pipe, it is characterised in that：It is 1 including thickness ratio:3 internal layer hot melt adhesive layer and outer layer PE pyrocondensations
Layer further includes volume has cross-linking radiation inner insulating layer and nothing outside all outer layer PE shrink wrap layers with double-layer coextrusion form extrusion
Halogen low-smoke and flame retardant cross-linking radiation insulating outer layer further includes oxygen barrier layer, thermal insulation layer and the EPDM being adhered to outside insulating outer layer
Rubber sheath layer.
2. heat-resistant fireproof double-wall pipe according to claim 1, it is characterised in that：The ethylene propylene diene rubber restrictive coating leans on
The side of nearly thermal insulation layer offers several grooves, and halogen-free flameproof particle is filled in groove.
3. heat-resistant fireproof double-wall pipe according to claim 2, it is characterised in that：The thermal insulation layer includes being woven into longitude and latitude
The warp refractory ceramic fibre and weft refractory ceramic fibre of shape, wave crest and the weft fire resisting of the warp refractory ceramic fibre are made pottery
The trough of porcelain fiber intersects, and the trough of the warp refractory ceramic fibre intersects with the wave crest of weft refractory ceramic fibre.
4. heat-resistant fireproof double-wall pipe according to claim 3, it is characterised in that：The warp refractory ceramic fibre and latitude
Line refractory ceramic fibre is corrugated.
5. heat-resistant fireproof double-wall pipe according to claim 4, it is characterised in that：The internal layer hot melt adhesive layer is transparent
Color, outer layer PE shrink wrap layers are red.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782802.8U CN207609880U (en) | 2017-12-19 | 2017-12-19 | Heat-resistant fireproof double-wall pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782802.8U CN207609880U (en) | 2017-12-19 | 2017-12-19 | Heat-resistant fireproof double-wall pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207609880U true CN207609880U (en) | 2018-07-13 |
Family
ID=62799349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721782802.8U Expired - Fee Related CN207609880U (en) | 2017-12-19 | 2017-12-19 | Heat-resistant fireproof double-wall pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207609880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097962A (en) * | 2021-05-09 | 2021-07-09 | 东台市竹林高科技材料有限公司 | C-PVC power cable protection pipe |
-
2017
- 2017-12-19 CN CN201721782802.8U patent/CN207609880U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113097962A (en) * | 2021-05-09 | 2021-07-09 | 东台市竹林高科技材料有限公司 | C-PVC power cable protection pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180713 Termination date: 20181219 |