CN201262285Y - High-foaming plastic composited thermal insulation pipe - Google Patents
High-foaming plastic composited thermal insulation pipe Download PDFInfo
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- CN201262285Y CN201262285Y CNU2008200646752U CN200820064675U CN201262285Y CN 201262285 Y CN201262285 Y CN 201262285Y CN U2008200646752 U CNU2008200646752 U CN U2008200646752U CN 200820064675 U CN200820064675 U CN 200820064675U CN 201262285 Y CN201262285 Y CN 201262285Y
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- plastic tube
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- high foaming
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Abstract
The utility model relates to a plastic composite tube, in particular to a high foaming plastic composite insulating tube. The composite tube is provided with an outer plastic tube body and is characterized in that an inner layer plastic tube body is coaxially arranged in the outer plastic tube body; the inner wall of the outer plastic tube body is fixedly connected with the outer wall of the inner layer plastic tube body through at least three reinforcing ribs; a material accommodating cavity is arranged between the inner wall of the outer plastic tube body and the outer wall of the inner layer plastic tube body; and the material accommodating cavity is filled with a high foaming plastic material and forms a high foaming plastic material layer to coat the outer wall of the inner layer plastic tube body. The product fully utilizes the excellent heat insulation performance of high foaming plastic and has the advantage of obvious heat insulation performance; the tube product has excellent corrosion-resistant, impact-resistant and shock-resistant performance; the coefficient of heat conductivity is low; and the weight is light. The plastic composite tube with the advantages of wide application field, simple manufacturing process and easy production is suitable for mass industrial production.
Description
Technical field
The utility model relates to delivery pipeline and heat preservation technology, is the pipeline of a kind of delivering hot water or other liquid medium that need be incubated, and specifically is a kind of high foaming plastics composite insulating pipe.
Background technique
Existing thermal insulation pipe can normally carry out for the conveying that guarantees high-temp liquid or gas material, reduce heat energy loss, must carry out insulation antiseptic on the accumulating pipeline handles, what adopt usually at present is that steel pipe is the thermal insulation pipe that the material of main part outside adds thermal insulation layer, make thermal insulation pipe integral body very heavy like this, be difficult for transportation and installation, the easy rust corrosion of steel pipe, be unsuitable for long-time use, inwall is also rough, the thermal transmission coefficient of steel pipe is several times of plastics, has in time added thermal insulation layer and has also caused heat to run off easily, and heat loss is bigger.
Simultaneously; existing thermal insulation pipe adopts asbestos, burlap, sponge foam or other thermal-protective material as thermal insulating material usually; by being wrapped in the metallic conduit surface; reach the insulation purpose; the outside does not have seal protection layer like this; in practical process,, influenced the quality of heat supply conveyance conduit owing to suction, corrosion or other the destruction of thermal insulating material.Disclose a kind of novel composite thermal insulation pipe in patent CN2505673Y, mixed thermal insulation layer in the pipeline body surface recombination one deck ball silicon and the polyurethane foam of steel, the thermal insulation layer outside is the preserving and sealing protective layer, has protected thermal insulating material to a certain extent.But this method complex manufacturing, outer seal protection layer heat-insulating capability is poor, and the protection effect is unsatisfactory.Therefore, existing insulation pipe exists not enough, need improve.
The model utility content
The purpose of this utility model is to improve on the structure of existing thermal insulation pipe, a kind of high-performance heat-insulation and heat-preservation is provided, effectively prevents that heat loss in the course of conveying, preparation process are simple, low production cost and can meet the height foaming plastics composite insulating pipe of national energy-saving and emission-reduction policy.
A kind of high foaming plastics composite insulating pipe of the present utility model, has outer plastic tube body, it is characterized in that the coaxial inner plastic body that is provided with in the described outer plastic tube body, fixedly connected by at least three stiffening ribs between described outer plastic tube body inwall and the inner plastic tube wall, have the material receiving cavity between described outer plastic tube body inwall and the inner plastic tube wall, in described material receiving cavity, be filled with high expanded plastic material and constitute the foam plastic, thermal-insulation layer occurred frequently that the inner plastic tube wall is wrapped up.
Fixedly connected by at least three stiffening ribs between outer plastic tube body inwall described in the utility model and the inner plastic tube wall, be meant that promptly described stiffening rib can be for more than three or three, both can be four stiffening ribs, also can be five or six or seven or eight stiffening ribs or the like, make for convenience, also, recommend to use six stiffening ribs in order to play best stiffening effect and to consider from the fabricating cost aspect.The thickness of described stiffening rib can be between 2～8mm.
The material of outer plastic tube body and stiffening rib described in the utility model can constitute for the modifier of one or more or they of rigid polyvinyl chloride (UPVC), polyethylene (PE), polypropylene (PP), acrylonitrile/butadiene/styrene terpolymer plastics such as (ABS); The material of described inner plastic body is the modifier formation of one or more or they of refractory polyethylene (PE-RT), atactic copolymerized polypropene (PPR), polybutylene (PB), crosslinked polyethylene (PEX), poly-inclined to one side chlorine PVC (PVDC) plastics of etc.ing; Described foam plastic, thermal-insulation layer occurred frequently is one or more formations of foamed plastics such as PVC (PVC), polyurethane (PU), polystyrene (PS), polyethylene (PE), polypropylene (PP), phenolic aldehyde, epoxy and unsaturated polyester.
A kind of high its external diameter of foaming plastics composite insulating pipe of the present utility model can be between Φ 50-500mm, accordingly, outer plastic tube body thickness can be between 2～10mm, and the inner layer plastic tube body thickness can be between 5～50mm, and high foaming plastic material layer thickness can be between 10～50mm.
A kind of high foaming plastics composite insulating pipe of the present utility model can be made by following mode: pass through plastic extruder, with the design mould extrude respectively in, outer plastic tube, wherein stiffening rib is attached to outer inside of plastic tubes extruding and moulding, described outer plastic tube body and stiffening rib are connected as a single entity, then interior plastic tube is inserted in the outer plastic tube, again with prefabricated high expanded plastic material, be PVC (PVC), polyurethane (PU), polystyrene (PS), polyethylene (PE), polypropylene (PP), phenolic aldehyde, one or more of foamed plastics such as epoxy and unsaturated polyester, fully in the closely knit space that is filled between the stiffening rib, obtain this plastic composite pipe product.Certainly, can also pass through plastic extruder, mould with design is extruded inside and outside plastic tube respectively, wherein stiffening rib is attached to outer inside of plastic tubes extruding and moulding, described outer plastic tube body and stiffening rib are connected as a single entity, and then interior plastic tube are inserted in the outer plastic tube, will be used for the space of reaction foaming monomer injection stiffening ribs such as polyurethane, expandable plastic foam-in-places such as polyurethane are full of the space, obtain this plastic composite pipe product.
A kind of high foaming plastics composite insulating pipe of the present utility model is conceived so substantially and is got: in the northerly heating engineering, hot water passes through line transportation, because transmission of heat, radiation cause a large amount of heat dissipations, quality is carried in influence, causes a large amount of wastes of the energy.Therefore the pipeline outside generally all will coat the polyurethane foam thermal insulation layer, and the polyurethane insulation coating generation hydrolysis that absorbs water easily produces the acidic materials corrosion pipeline, influence pipeline life, and general outer sealing layers seal protection effect is unsatisfactory.And the utility model product is a three-decker, and interior plastic tube adopts the plastics of Good Heat-resistance to make, and resistance to high temperature is good, thermal conductivity low (good heat preservation performance), and resistance to water-flow is little, and is in light weight, and acid-alkali-corrosive-resisting is good, and physical life prolongs greatly.In the middle of the inner and outer pipes is high polyurethane foam packed layer, and the thermal and insulating performance excellence can effectively prevent scattering and disappearing of heat.Outer plastic tube adopts rigid polyvinyl chloride (UPVC) usually, and heat-transfer coefficient is low, and intensity is good, and the acid-alkali-corrosive-resisting ability is strong, can effectively protect polyurethane insulation coating and interior conveying body.According to special applicable cases, outer plastic pipe also can be selected other plastic materials, and is good as PE pipeline toughness, flexibility and shock resistance, can prevent certain geology settlement influence simultaneously, can be used for the delivery system of the multiple band of earthquake.
The utility model does not need to adopt complex apparatus and technology in the production process, makes fabricating cost significantly reduce, and helps large-scale industrial production.
Compared with the aforementioned existing similar products, a kind of high foaming plastics composite insulating pipe of the present utility model, made full use of the thermal insulation property of high expandable plastic excellence and plastic tube corrosion-resistant, thermal conductivity is low, advantage such as in light weight, compare with existing similar tubing, heat insulation effect is with the obvious advantage, meets the policy of national energy-saving and emission-reduction; The shock resistance of tubing simultaneously, shockproof properties are given prominence to.Therefore application is wide, can replace the existing heat-insulating pipe in market, has vast market prospect.The utility model manufacturing process is simple, produces easily, is fit to large-scale industrial production.
Content of the present utility model further illustrates with the following Examples, but content of the present utility model is not limited only to content related among the embodiment.
Description of drawings
Fig. 1 is the structural representation of a kind of high foaming plastics composite insulating pipe among the embodiment 1.
Fig. 2 is the structural representation that removes among Fig. 1 behind the high foaming plastic material layer.
Fig. 3 is the structural representation that removes among Fig. 2 behind the inner plastic body.
Embodiment
Shown in Fig. 1～3, a kind of high foaming plastics composite insulating pipe in the present embodiment has outer plastic tube body 1, it is characterized in that the coaxial inner plastic body 2 that is provided with in the described outer plastic tube body 1, fixedly connected by six stiffening ribs 3,4,5,6,7,8 between described outer plastic tube body 1 inwall and inner plastic body 2 outer walls, have material receiving cavity 9 between described outer plastic tube body 1 inwall and inner plastic body 2 outer walls, in described material receiving cavity 9, be filled with high expanded plastic material and constitute the height foaming plastic material layer 10 that inner plastic body 2 outer walls are wrapped up.Outer plastic tube body 1 described in the present embodiment is the outer plastic tube body of rigid polyvinyl chloride, described inner plastic body 2 is a refractory polyethylene inner plastic body, described stiffening rib 3,4,5,6,7,8 is the rigid polyvinyl chloride stiffening rib, and described high foaming plastic material layer 10 is the high foaming of a polyurethane plastic material layer.Outer plastic tube body 1 described in the present embodiment and six stiffening ribs 3,4,5,6,7,8 are connected as a single entity, the 2 independent moulding of inner plastic body.
Claims (3)
1, a kind of high foaming plastics composite insulating pipe, has outer plastic tube body, it is characterized in that the coaxial inner plastic body that is provided with in the described outer plastic tube body, fixedly connected by at least three stiffening ribs between described outer plastic tube body inwall and the inner plastic tube wall, have the material receiving cavity between described outer plastic tube body inwall and the inner plastic tube wall, in described material receiving cavity, be filled with high expanded plastic material and constitute the foam plastic, thermal-insulation layer occurred frequently that the inner plastic tube wall is wrapped up.
2, a kind of high foaming plastics composite insulating pipe as claimed in claim 1 is characterized in that fixedlying connected by six stiffening ribs between described outer plastic tube body inwall and the inner plastic tube wall.
3, a kind of high foaming plastics composite insulating pipe as claimed in claim 1 or 2, it is characterized in that described outer plastic tube body is that described outer plastic tube body is the outer plastic tube body of rigid polyvinyl chloride, described stiffening rib is the rigid polyvinyl chloride stiffening rib, described inner plastic body is a refractory polyethylene inner plastic body, and described foam plastic, thermal-insulation layer occurred frequently is the high foaming of a polyurethane plastic material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200646752U CN201262285Y (en) | 2008-08-12 | 2008-08-12 | High-foaming plastic composited thermal insulation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200646752U CN201262285Y (en) | 2008-08-12 | 2008-08-12 | High-foaming plastic composited thermal insulation pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201262285Y true CN201262285Y (en) | 2009-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200646752U Expired - Fee Related CN201262285Y (en) | 2008-08-12 | 2008-08-12 | High-foaming plastic composited thermal insulation pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201262285Y (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102563223A (en) * | 2012-02-03 | 2012-07-11 | 广东联塑机器制造有限公司 | Multilayer co-extruded polyurethane plastic thermal insulation pipe and production method for same |
| CN102568281A (en) * | 2011-12-29 | 2012-07-11 | 四川大学 | Adiabatic compression measuring method for air's specific heat capacity ratio |
| CN102809023A (en) * | 2012-08-22 | 2012-12-05 | 柳州宇特能源科技有限公司 | Composite insulating pipe |
| CN103453281A (en) * | 2013-01-04 | 2013-12-18 | 李宏江 | Normal soft-rigid heat insulation pipeline and manufacturing method thereof |
| CN103982712A (en) * | 2014-05-28 | 2014-08-13 | 宁夏华泰塑料管业有限公司 | Polyurethane rigid foam PP-R (Polypropylene) thermal insulation anticorrosion pipeline |
| CN104482319A (en) * | 2014-11-11 | 2015-04-01 | 贵州黔南科技塑业有限公司 | Heat insulation plastic pipe |
| CN106764112A (en) * | 2016-12-29 | 2017-05-31 | 重庆中迪水处理技术有限公司 | A kind of pressure-resistant insulation running water pipe |
| CN106885058A (en) * | 2017-03-01 | 2017-06-23 | 江苏南荣科技有限公司 | A kind of metallic combination pipeline |
| CN107061932A (en) * | 2016-09-11 | 2017-08-18 | 深圳市博新美纳米科技有限公司 | Novel nano antibacterial heat-insulating pipe and its manufacture method |
| CN108071877A (en) * | 2018-02-06 | 2018-05-25 | 苏州市万年通管业有限公司 | A kind of enhanced insulating tube |
| CN108895248A (en) * | 2018-05-24 | 2018-11-27 | 林丽钗 | Multilayer insulation heat-insulating pipe, the device for processing the multilayer insulation heat-insulating pipe |
| CN108908974A (en) * | 2018-05-24 | 2018-11-30 | 林丽钗 | Composite plastic pipe, the equipment for producing the composite plastic pipe |
| CN109027439A (en) * | 2018-10-17 | 2018-12-18 | 安徽豪家管业有限公司 | A kind of three layers of composite intensifying tube |
| CN109944988A (en) * | 2017-12-21 | 2019-06-28 | 北京中石大石化科技发展有限公司 | A kind of abrasion resistant polyurethane double layer innerliner pipeline and the preparation method and application thereof |
| CN110030438A (en) * | 2019-05-07 | 2019-07-19 | 广东联塑科技实业有限公司 | A kind of plastic pipe preventing high temperature deformation |
| CN111336326A (en) * | 2020-03-09 | 2020-06-26 | 天津市中通管道保温有限公司 | Flame-retardant type heat-insulation pipe with hollow interlayer |
| CN114484092A (en) * | 2020-11-12 | 2022-05-13 | 中国石油化工股份有限公司 | Non-metal heat-insulation composite pipe |
-
2008
- 2008-08-12 CN CNU2008200646752U patent/CN201262285Y/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568281A (en) * | 2011-12-29 | 2012-07-11 | 四川大学 | Adiabatic compression measuring method for air's specific heat capacity ratio |
| CN102563223A (en) * | 2012-02-03 | 2012-07-11 | 广东联塑机器制造有限公司 | Multilayer co-extruded polyurethane plastic thermal insulation pipe and production method for same |
| CN102563223B (en) * | 2012-02-03 | 2014-01-15 | 广东联塑机器制造有限公司 | Multilayer co-extruded polyurethane plastic thermal insulation pipe and production method for same |
| CN102809023A (en) * | 2012-08-22 | 2012-12-05 | 柳州宇特能源科技有限公司 | Composite insulating pipe |
| CN103453281A (en) * | 2013-01-04 | 2013-12-18 | 李宏江 | Normal soft-rigid heat insulation pipeline and manufacturing method thereof |
| CN103982712A (en) * | 2014-05-28 | 2014-08-13 | 宁夏华泰塑料管业有限公司 | Polyurethane rigid foam PP-R (Polypropylene) thermal insulation anticorrosion pipeline |
| CN104482319A (en) * | 2014-11-11 | 2015-04-01 | 贵州黔南科技塑业有限公司 | Heat insulation plastic pipe |
| CN104482319B (en) * | 2014-11-11 | 2017-03-22 | 贵州黔南科技塑业有限公司 | Heat insulation plastic pipe |
| CN107061932A (en) * | 2016-09-11 | 2017-08-18 | 深圳市博新美纳米科技有限公司 | Novel nano antibacterial heat-insulating pipe and its manufacture method |
| CN106764112A (en) * | 2016-12-29 | 2017-05-31 | 重庆中迪水处理技术有限公司 | A kind of pressure-resistant insulation running water pipe |
| CN106885058A (en) * | 2017-03-01 | 2017-06-23 | 江苏南荣科技有限公司 | A kind of metallic combination pipeline |
| CN109944988A (en) * | 2017-12-21 | 2019-06-28 | 北京中石大石化科技发展有限公司 | A kind of abrasion resistant polyurethane double layer innerliner pipeline and the preparation method and application thereof |
| CN108071877A (en) * | 2018-02-06 | 2018-05-25 | 苏州市万年通管业有限公司 | A kind of enhanced insulating tube |
| CN108895248A (en) * | 2018-05-24 | 2018-11-27 | 林丽钗 | Multilayer insulation heat-insulating pipe, the device for processing the multilayer insulation heat-insulating pipe |
| CN108908974A (en) * | 2018-05-24 | 2018-11-30 | 林丽钗 | Composite plastic pipe, the equipment for producing the composite plastic pipe |
| CN109027439A (en) * | 2018-10-17 | 2018-12-18 | 安徽豪家管业有限公司 | A kind of three layers of composite intensifying tube |
| CN110030438A (en) * | 2019-05-07 | 2019-07-19 | 广东联塑科技实业有限公司 | A kind of plastic pipe preventing high temperature deformation |
| CN111336326A (en) * | 2020-03-09 | 2020-06-26 | 天津市中通管道保温有限公司 | Flame-retardant type heat-insulation pipe with hollow interlayer |
| CN114484092A (en) * | 2020-11-12 | 2022-05-13 | 中国石油化工股份有限公司 | Non-metal heat-insulation composite pipe |
| CN114484092B (en) * | 2020-11-12 | 2024-06-14 | 中国石油化工股份有限公司 | Nonmetallic heat-insulating composite pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Kangtai Plastic Science & Technology Group Co., Ltd. Assignor: Lin Yunqing Contract record no.: 2010510000028 Denomination of utility model: High-foaming plastic composited thermal insulation pipe Granted publication date: 20090624 License type: Exclusive License Record date: 20100604 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090624 Termination date: 20120812 |