CN204403617U - A kind of rubber oil hose possessing High Efficiency Thermal safeguard structure - Google Patents
A kind of rubber oil hose possessing High Efficiency Thermal safeguard structure Download PDFInfo
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- CN204403617U CN204403617U CN201420752965.1U CN201420752965U CN204403617U CN 204403617 U CN204403617 U CN 204403617U CN 201420752965 U CN201420752965 U CN 201420752965U CN 204403617 U CN204403617 U CN 204403617U
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Abstract
The utility model discloses a kind of rubber oil hose possessing High Efficiency Thermal safeguard structure, the described compounded rubber oil pipe with High Efficiency Thermal safeguard structure, comprise pipe, thermal-protective coating, high reflecting metal/fabric composite membrane in rubber, described thermal-protective coating is bonded in rubber inner tube outer surface by adhesive layer, and described high reflecting metal/fabric composite membrane is bonded in described thermal-protective coating surface.Described high reflecting metal/fabric composite membrane comprises fabric layer and high reflecting metal layer, and the fabric layer in described high reflecting metal/fabric composite membrane is connected with thermal-protective coating.The utility model prepares high reflection layer when not changing metallic tape layer material, by the reflecting coating of different reflectivity and the selection of different thermal conductivity thermal-protective material and design, the temperature on rubber pipe surface can be reduced to 80 ~ 100 DEG C, oil pipe is heightened to more than 15 days in the working life of the hot environments such as steel mill, the industries such as iron and steel, chemical industry, oil, shipbuilding, automobile making can be widely used in.
Description
Technical field
The utility model relates to the rubber oil hose possessing high-fire resistance energy, particularly relates to a kind of composite oil pipe of High Efficiency Thermal safeguard structure.
Background technique
Steel mill, the hydraulic rubber oil tube used under the hot environments such as power plant, rubber oil hose has good fatigue toughness, wear resistance, quality is light, corrosion-resistant, low price, adaptability is good, the advantage of good insulating, but due to the heat resisting temperature of rubber low (generally will lower than 200 DEG C), very easily agingly in hot environment (600 ~ 1200 DEG C) to break, hydraulic oil in pipe is flowed out, pressure system lost efficacy, cause the Comprehensive service life of oil pipe extremely low (generally at 1 ~ 2 day), greatly improve operation expense, the manufacturing efficiency of reduction equipment, add fire, the hidden danger of the safety such as contamination of products and production aspect.Existing application technology method is, the silastic-layer of glass fibre compound on the cover of the surface of original rubber pipe, can improve the high temperature resistant environmental performance of oil pipe within the specific limits, working life can be increased to 3 ~ 5 days.But not can solve actual application demand, at all main cause could not get on to deal with problems from thermal conduction study basic principle, simultaneously, the selected heat resistance of material own is better, but heat-shielding performance is not good, absorbed heat major part can continue across the protective coating on surface, passes to the surface of rubber material, cause the heat resistance of rubber pipe to reach to improve significantly, cannot meet the requirement of practical service environment.Therefore, from heat transfer principle, design and prepare that to have High Efficiency Thermal safeguard structure be the key technology improving hydraulic pressure high-pressure rubber oil pipe high temperature resistant environmental performance.
Model utility content
The purpose of this utility model be to provide a kind of efficiently, low cost, easy and simple to handle, be convenient to the rubber oil hose possessing High Efficiency Thermal safeguard structure produced in batches.
The described compounded rubber oil pipe with High Efficiency Thermal safeguard structure, comprise pipe, thermal-protective coating, high reflecting metal/fabric composite membrane in rubber, described thermal-protective coating is bonded in rubber inner tube outer surface by adhesive layer, and described high reflecting metal/fabric composite membrane is bonded in described thermal-protective coating surface.Described high reflecting metal/fabric composite membrane comprises fabric layer and high reflecting metal layer, and the fabric layer in described high reflecting metal/fabric composite membrane is connected with thermal-protective coating.
Described composite film thickness is 0.25-0.5mm, and wherein fabric layer thicknesses is 0.14-0.3mm.Described insulation thickness is 0.5-5.0cm.
The utility model has the advantage of:
(1) the utility model prepares high reflection layer when not changing metallic tape layer material, by the reflecting coating of different reflectivity and the selection of different thermal conductivity thermal-protective material and design, the temperature on rubber pipe surface can be reduced to 80 ~ 100 DEG C, oil pipe is heightened to more than 15 days in the working life of the hot environments such as steel mill.
(3) rubber oil hose of the present utility model, heat resistance significantly improves, and makes the life-span bring up to 2 ~ 3 times of original General Purpose Rubber oil pipe, good reliability.
(4) the utility model can prepare the rubber oil hose possessing High Efficiency Thermal safeguard structure in batches.
(5) described high reflecting metal/fabric composite membrane can reflect thermal radiation; Described thermal-protective coating can effectively reduce heat trnasfer and thermoconvection, is composite and fixed on rubber oil hose by the insulation material layer meeting size requirement, high reverse--bias composite membrane paving is overlayed on heat insulation felt surface, makes its good combination by adhesive.
(6) the rubber oil hose thermal protection efficiency that provides of the utility model is high, cost is low, has excellent mechanical property, heat-shielding performance, can be widely used in the industries such as iron and steel, chemical industry, oil, shipbuilding, automobile making.
Accompanying drawing explanation
Fig. 1 is the rubber oil hose structural drawing possessing High Efficiency Thermal safeguard structure in the utility model;
Fig. 2 is the packing technology schematic diagram of thermal-protective material in the utility model;
Fig. 3 is the packing technology schematic diagram of high reflecting metal paper tinsel/fabric composite membrane in the utility model;
Fig. 4 is the winding process schematic diagram of high reflecting metal paper tinsel/fabric composite membrane in the utility model.
In figure:
| 1. | Pipe in rubber; | 2. | Thermal-protective coating; | 3. | High reflecting metal/fabric composite membrane; |
| 301. | Fabric layer; | 302. | High reflecting metal layer; | 4. | Adhesive layer; |
Embodiment
Below in conjunction with the drawings and specific embodiments, set forth the utility model further.Should be understood that these embodiments are only not used in restriction protection domain of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various change or amendment to the utility model, and these equivalent form of values belong to the application's appended claims limited range equally after the content of reading the utility model instruction.
The utility model provides a kind of rubber oil hose possessing High Efficiency Thermal safeguard structure, as shown in Figure 1, described rubber oil hose comprises pipe 1 in rubber, thermal-protective coating 2, high reflecting metal/fabric composite membrane 3, as shown in Figure 2, described thermal-protective coating 2 is bonded in the outer surface of pipe 1 in rubber by adhesive layer 4, described high reflecting metal/fabric composite membrane comprises fabric layer 301 and high reflecting metal layer 302 is two-layer, described fabric layer 301 is connected with bonding way between high reflecting metal layer 302, and described fabric layer 301 is bonding with described thermal-protective coating.Described high reflecting metal layer 302 selects aluminium foil, Copper Foil or tinfoil paper.
Described composite film thickness is 0.25-0.5mm, and wherein fabric layer thicknesses is 0.14-0.3mm.Described insulation thickness is 0.5-5.0cm.
The described rubber oil hose possessing High Efficiency Thermal safeguard structure by the following method step prepares:
The first step, the preparation of pipe in rubber.
By mill, extruder and Stetch Wrapping Machine, prepare pipe in rubber, in rubber, pipe is divided into inner glue layer, enhancement layer and outer glue-line, wherein inner glue layer is the rubber with resistance to functional oil, comprises one or more in nitrile butadiene rubber (heatproof is less than 125 DEG C), acrylate rubber (heatproof 150-200 DEG C), fluorine rubber (heatproof 200-250 DEG C), chlorohydrin rubber (heatproof 100-150 DEG C), silicone rubber (heatproof 250-300 DEG C); Enhancement layer is braided fabric, comprise carbon fiber, glass fibre, basalt fibre, aramid fibre, wiry one or more; Outer glue-line is one deck rubber cover; there is good mechanical property; ageing-resistant; antifatigue, can be epichlorohydrin rubber, chlorohydrin rubber, hydrogenated nitrile-butadiene rubber, nitrile butadiene rubber, ethylene propylene rubber, neoprene one or more, outer glue-line can by extruding and moulding or Wrapping formed obtained; rubber bandwidth 5-10cm time wherein Wrapping formed; winding angle is 30-60 °, and winding tension is to be as the criterion with enhancement layer is closely sturdy, and interlayer gap is bonding with epoxy adhesive.Additive mainly contains vulcanzing agent, promoter, activator, age resister and bulking agent etc., and described vulcanzing agent comprises one or more in sulphur, sulfur-containing compound, metallic oxide, organic peroxide, polysulphide polymer, quinones, aminated compounds; Promoter, comprise aldehyde amines, guanidine class, thiurams, thiazoles, sulfenic acids class, Thiourea one or more; Activator, comprises one or more of Zinc Oxide, stearic acid, lead oxide, magnesium oxide and amine; Age resister, comprises one or more of thermo oxidative aging agent, antiozonant, harmful metal ion inhibitor, antifatigue, ultraviolet light absorber, freedom from cracking agent etc.; Bulking agent, comprises one or more of calcium carbonate, French chalk, carbon black etc., and relevant colorant processing aid relevant with other.
Second step, prepares high reflecting metal/fabric composite membrane.
High reflecting metal paper tinsel is realized smooth seamless bonding with fabric by adhesive, described fabric is fabric, comprise glass fibre, carbon fiber, basalt fibre fabrics one or more, weaving manner comprises one or more of plain weave, twill and satin weave, and fabric thickness is 0.14-0.3mm.Wherein, adopt rubber tree epoxy-type or synthetic rubber type adhesive, by fabric and metal foil bonding, bonding way comprises: 1. by special device heat pressure adhesive, solidifying pressure 0.6MPa, solidifies 3h at 120 DEG C of temperature; 2. vacuum-bag process method, the composite membrane scribbling adhesive is placed in and vacuum bag put into by flat board vacuumizes pressurization, solidify 3h at 70 DEG C of temperature, ensure seamless between the two, can obtain high reflecting metal/fabric composite membrane, described composite film thickness is 0.25-0.5mm.Described metal foil can select the metal that aluminium foil or Copper Foil or tinfoil paper isoreflectance are higher.
3rd step, prepares thermal-protective coating.
Insulating layer material chooses aerosil, rock wool blanket, blanket of glass wool, any one in alumina silicate felt, when 25 DEG C, the thermal conductivity of aerosil is less than 0.020W/ (mK), the thermal conductivity of rock wool blanket is 0.030-0.044W/ (mK), the thermal conductivity of blanket of glass wool is about 0.03W/ (mK), the thermal conductivity of alumina silicate felt is about 0.034W/ (mK), insulation thickness is depending on heat resisting temperature requirement and rubber pipe diameter, heat resistant requirements is high, when rubber pipe diameter is large, insulation thickness can be larger, too little being difficult to meets insulation requirement to thickness, thickness is unfavorable for too greatly the parcel of cost control and thermal-protective material, be advisable with 0.5-5.0cm thickness, in use thermal-protective coating keeps its original depth and gapless between retaining layer.
4th step, according to size requirement cutting thermal-protective coating and high reflecting metal/fabric composite membrane, and is spread successively to cover by the ply stacking-sequence shown in Fig. 1 and is fixed on rubber oil hose.
1, adopt the mode of parcel to be overlying on rubber oil hose by thermal-protective coating paving, when insulation thickness is less, also can adopt canoe, interlayer adopts Epoxy adhesive bonding.
2, adopt the mode of parcel or winding that high reflecting metal/fabric composite membrane paving is overlying on thermal-protective coating surface, wherein take-up strap width is 5-10cm, and winding angle is 30-60 °, and intersection is 1-2cm, and Tensity size is advisable with compress insulation thickness 5%; Parcel or winding interface adopt Epoxy adhesive bonding.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
embodiment 1
Method provided by the invention is adopted to prepare the rubber oil hose possessing High Efficiency Thermal safeguard structure, specific as follows:
The first step, prepares pipe in rubber.Choose the rubber material of inner glue layer and outer glue-line, carry out mixing on a mill until and add associated additives, for subsequent use.The rubber oil hose that production internal diameter is 10 ± 0.5mm, wall thickness is 10.5 ± 0.5mm (fluorine rubber inner glue layer thickness is 7mm, and enhancement layer thickness is 0.5mm, and the outer bondline thickness of epichlorohydrin rubber is 3mm), method step is as follows:
(1) fluorine rubber inner glue layer is extruded by extruder, and extrusion temperature is followed successively by 70 DEG C, 60 DEG C, 60 DEG C, 60 DEG C from head to screw rod;
(2) use aramid fibre braiding to produce enhancement layer, and be wrapped in inner glue layer surface, start to extrude outer glue-line.
(3) outer glue-line epichlorohydrin rubber: extrusion temperature is followed successively by 60 DEG C, 40 DEG C, 40 DEG C, 40 DEG C from head to screw rod.
(4) sulfidization molding process: adopt one step cure method, obtain pipe in rubber, wherein curing parameter: sulfurize temperature is 180 DEG C, cure time is 5min.
Second step, prepare high reflecting metal/fabric composite membrane: adopt satin weave basalt fibre fabrics and aluminium foil to realize good bonding by phenolic aldehyde-butyronitrile adhesive, by special hot pressing equipment heat pressure adhesive, solidifying pressure 0.6MPa, 3h is solidified at 120 DEG C of temperature, can obtain high reflecting metal/fabric composite membrane, its thickness is 0.25-0.5mm.
3rd step, chooses aerosil thermal-protective material as thermal-protective coating, and insulation thickness is 3.0 ± 0.2cm, and in use thermal-protective coating keeps its original depth and gapless between retaining layer.
4th step, according to size requirement cutting silica thermal-protective material and aluminium foil/satin weave basalt fibre fabrics composite membrane, and spread successively to cover by the ply stacking-sequence shown in Fig. 1 and be fixed on rubber oil hose, its concrete steps are:
(1) adopt the mode of parcel to be overlying on rubber oil hose by aerosil thermal-protective material paving, adopt Epoxy adhesive bonding.
(2) aluminium foil/satin weave basalt fibre fabrics composite membrane is wound around paving and is overlying on aerosil thermal-protective material surface (as shown in Figure 4), wherein take-up strap width is 6 ± 0.3cm, winding angle is about 30 °, intersection is for being about 2.5cm, Tensity size is advisable with compress thermal-protective material thickness 5%,, be wound around repeating part and adopt rubber-like adhesive bonding, the rubber oil hose of High Efficiency Thermal safeguard structure must be possessed.
Carry out testing property display to described rubber oil hose, the temperature on rubber pipe surface can be reduced to 80 ~ 100 DEG C by rubber oil hose provided by the invention, compared with existing rubber oil hose, improves 2 ~ 3 times working life.Oil pipe is heightened to more than 15 days in the working life of the hot environments such as steel mill.
embodiment 2
The first step, prepares pipe in rubber.The rubber of inner glue layer and outer glue-line is carried out mixing on a mill until and adds associated additives, for subsequent use.The rubber oil hose that production internal diameter is 10 ± 0.5mm, wall thickness is 10.5 ± 0.5mm (fluorine rubber inner glue layer thickness is 7mm, and enhancement layer thickness is 0.5mm, and the outer bondline thickness of epichlorohydrin rubber is 3mm), method step is as follows:
(1) fluorine rubber inner glue layer is extruded by extruder, and extrusion temperature is followed successively by 80 DEG C, 70 DEG C, 70 DEG C, 70 DEG C from head to screw rod;
(2) use aramid fibre braiding to produce enhancement layer, and be wrapped in inner glue layer surface, start to extrude outer glue-line.
(3) outer glue-line epichlorohydrin rubber: extrusion temperature is followed successively by 75 DEG C, 60 DEG C, 60 DEG C, 60 DEG C from head to screw rod.
(4) sulfidization molding process: adopt one step cure method, obtain pipe in rubber, wherein curing parameter: sulfurize temperature is 170 DEG C, cure time is 20min.
Second step, prepare high reflecting metal/fabric composite membrane, twill glasscloth and aluminium foil is adopted to realize good bonding by phenolic aldehyde-butyronitrile adhesive, by vacuum-bag process technique, the composite membrane scribbling adhesive is placed in and vacuum bag put into by flat board vacuumizes pressurization, solidify 3h at 70 DEG C of temperature, ensure seamless between the two, can obtain high reflecting metal/fabric composite membrane, its thickness is 0.25-0.5mm.
3rd step, aerosil thermal-protective material is as thermal-protective coating, and insulation thickness is 3.0 ± 0.2cm, and in use thermal-protective coating keeps its original depth and gapless between retaining layer.
4th step, according to size requirement cutting silica thermal-protective material and aluminium foil/twill glasscloth composite membrane, and spread successively to cover by the ply stacking-sequence shown in Fig. 1 and be fixed on rubber oil hose, its concrete steps are:
(1) adopt the mode of parcel to be overlying on rubber oil hose by aerosil thermal-protective material paving, adopt Epoxy adhesive bonding.
(2) aluminium foil/twill glasscloth composite membrane is wound around paving and is overlying on aerosil thermal-protective material surface (as shown in Figure 4), wherein take-up strap width is 6 ± 0.3cm, winding angle is about 30 °, intersection is for being about 2.5cm, Tensity size is advisable with compress thermal-protective material thickness 5%, being wound around repeating part adopts rubber-like adhesive bonding, must possess the rubber oil hose of High Efficiency Thermal safeguard structure.
embodiment 3
The first step, prepares pipe in rubber.The rubber of inner glue layer and outer glue-line is carried out mixing on a mill until and adds associated additives, for subsequent use.The rubber oil hose that production internal diameter is 10 ± 0.5mm, wall thickness is 10.5 ± 0.5mm (fluorine rubber inner glue layer thickness is 7mm, and enhancement layer thickness is 0.5mm, and the outer bondline thickness of neoprene is 3mm), method step is as follows:
(1) fluorine rubber inner glue layer is extruded by extruder, and extrusion temperature is followed successively by 85 DEG C, 75 DEG C, 70 DEG C, 70 DEG C from head to screw rod;
(2) use aramid fibre braiding to produce enhancement layer, and be wrapped in inner glue layer surface, start to extrude outer glue-line.
(3) outer glue-line epichlorohydrin rubber: extrusion temperature is followed successively by 85 DEG C, 70 DEG C, 60 DEG C, 60 DEG C from head to screw rod.
(4) sulfidization molding process: adopt one step cure method, obtain pipe in rubber, wherein curing parameter: sulfurize temperature is 170 DEG C, cure time is 25min.
Second step, prepare high reflecting metal/fabric composite membrane, satin weave basalt fibre fabrics and Copper Foil is adopted to realize good bonding by phenolic aldehyde-butyronitrile adhesive, by special device heat pressure adhesive, solidifying pressure 0.6MPa, solidify 3h at 120 DEG C of temperature, can obtain fabric composite membrane, its thickness is 0.25-0.5mm.
3rd step, rock wool blanket thermal-protective material is as thermal-protective coating, and insulation thickness is 3.5 ± 0.2cm, and in use thermal-protective coating keeps its thickness and gapless between retaining layer.
4th step, according to size requirement cutting rock wool blanket thermal-protective material and Copper Foil/satin weave basalt fibre fabrics composite membrane, and spread successively to cover by the ply stacking-sequence shown in Fig. 1 and be fixed on rubber oil hose, its concrete steps are:
(1) adopt the mode of parcel to be overlying on rubber oil hose by rock wool blanket thermal-protective material paving, adopt Epoxy adhesive bonding.
(2) Copper Foil/satin weave basalt fibre fabrics composite membrane is wrapped in rock wool blanket thermal-protective material surface (as shown in Figure 3), interface intersection is for being about 3cm, Tensity size is advisable with compress thermal-protective material thickness 5%, parcel repeating part adopts rubber-like adhesive bonding, must possess the rubber oil hose of High Efficiency Thermal safeguard structure.
Claims (6)
1. one kind possesses the rubber oil hose of High Efficiency Thermal safeguard structure, it is characterized in that: described rubber oil hose, comprise pipe, thermal-protective coating, high reflecting metal/fabric composite membrane in rubber, described thermal-protective coating is bonded in rubber inner tube outer surface by adhesive layer, and described high reflecting metal/fabric composite membrane is bonded in described thermal-protective coating surface.
2. a kind of rubber oil hose possessing High Efficiency Thermal safeguard structure according to claim 1, it is characterized in that: described high reflecting metal/fabric composite membrane comprises fabric layer and high reflecting metal layer, and the fabric layer in described high reflecting metal/fabric composite membrane is connected with thermal-protective coating.
3. a kind of rubber oil hose possessing High Efficiency Thermal safeguard structure according to claim 1, it is characterized in that: described composite film thickness is 0.25-0.5mm, wherein fabric layer thicknesses is 0.14-0.3mm; Described insulation thickness is 0.5-5.0cm.
4. a kind of rubber oil hose possessing High Efficiency Thermal safeguard structure according to claim 1, is characterized in that: in described rubber, pipe is divided into inner glue layer, enhancement layer and outer glue-line.
5. a kind of rubber oil hose possessing High Efficiency Thermal safeguard structure according to claim 2, is characterized in that: described high reflecting metal layer selects aluminium foil, Copper Foil or tinfoil paper.
6. a kind of rubber oil hose possessing High Efficiency Thermal safeguard structure according to claim 1, is characterized in that: described insulating layer material choose in aerosil, rock wool blanket, blanket of glass wool, alumina silicate felt any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420752965.1U CN204403617U (en) | 2014-10-30 | 2014-12-04 | A kind of rubber oil hose possessing High Efficiency Thermal safeguard structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420643390 | 2014-10-30 | ||
| CN201420643390X | 2014-10-30 | ||
| CN201420752965.1U CN204403617U (en) | 2014-10-30 | 2014-12-04 | A kind of rubber oil hose possessing High Efficiency Thermal safeguard structure |
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| CN204403617U true CN204403617U (en) | 2015-06-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104553089A (en) * | 2014-10-30 | 2015-04-29 | 河北西伯力特种橡胶有限公司 | Rubber oil pipe with efficient heat protection structure and preparation method of rubber oil pipe |
| CN105156779A (en) * | 2015-09-29 | 2015-12-16 | 江苏广通管业制造有限公司 | Corrugated tube |
| CN107217994A (en) * | 2016-03-22 | 2017-09-29 | 山东鸿盛石油化工装备有限公司 | A kind of heat-insulated tubing and casing of antivacuum prestressing force |
| CN109764193A (en) * | 2019-01-09 | 2019-05-17 | 吴宁 | A kind of rubber oil hose and preparation method thereof having efficient thermal protection structure |
-
2014
- 2014-12-04 CN CN201420752965.1U patent/CN204403617U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104553089A (en) * | 2014-10-30 | 2015-04-29 | 河北西伯力特种橡胶有限公司 | Rubber oil pipe with efficient heat protection structure and preparation method of rubber oil pipe |
| CN105156779A (en) * | 2015-09-29 | 2015-12-16 | 江苏广通管业制造有限公司 | Corrugated tube |
| CN107217994A (en) * | 2016-03-22 | 2017-09-29 | 山东鸿盛石油化工装备有限公司 | A kind of heat-insulated tubing and casing of antivacuum prestressing force |
| CN109764193A (en) * | 2019-01-09 | 2019-05-17 | 吴宁 | A kind of rubber oil hose and preparation method thereof having efficient thermal protection structure |
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| 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: 20150617 Termination date: 20161204 |