CN201875292U - Multi-course composite plastic heating tubular product - Google Patents
Multi-course composite plastic heating tubular product Download PDFInfo
- Publication number
- CN201875292U CN201875292U CN201020571521XU CN201020571521U CN201875292U CN 201875292 U CN201875292 U CN 201875292U CN 201020571521X U CN201020571521X U CN 201020571521XU CN 201020571521 U CN201020571521 U CN 201020571521U CN 201875292 U CN201875292 U CN 201875292U
- Authority
- CN
- China
- Prior art keywords
- course
- composite plastic
- tubular product
- plastic heating
- annular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Thermal Insulation (AREA)
Abstract
The utility model discloses a multi-course composite plastic heating tubular product, which comprises an inner tube, an insulating course, and an outer bushing; the insulating course is made from PU (polyurethane) foaming materials, and is filled between the inner tube and the outer bushing; the inner tube comprises five courses of structures which consist of an inner PE-RT (polyethylene of raised temperature resistance) course a middle EVOH (ethylene vinyl alcohol) course, an outer PE-RT course, a fiber course, and a PE-RT coating course. The five courses of structures are closely stuck together to form a hard composite plastic tube; an HDPE (high-density polyethylene) material is adopted as the outer bushing; a plurality of annular salients and annular grooves are alternated to form a surface structure of the outer bushing; moreover, the annular salients and the annular grooves are of circular ring shape or spiral ring shape. As a multi-course plastic composite structure is adopted by the plastic heating tubular product, the strength is large and the pressure durability is good; therefore, the construction requirements can be completely satisfied; joints are reduced during construction; and generation of damage accidents is reduced; moreover, the multi-course composite plastic heating tubular product has the advantages of good thermal insulation property, corrosion resistance and long service life, can replace an insulating steel tube, and has broad application prospects.
Description
Technical field
The utility model belongs to plastics heating tubing, is specifically related to a kind of multilayer composite plastic heating tubing.
Background technique
The heating aqueduct that the city central heating is used, many employing steel pipes are main, in order to solve the insulation problem of steel pipe, coat one deck thermal insulating material in the steel pipe outside, there is following defective in the hot duct of this structure, 1. adopt steel pipe because of main pipe, main pipe is embedded in underground for a long time, is easy to be corroded and damages, and therefore the working life of this hot duct is short; 2. steel are good conductors of heat, in order to reduce heat waste, must increase the thickness of thermal insulating material, the cost height; 3. make several meters long pipe section when this hot duct is produced, when construction, again the plurality of conduits section is connected, expend lot of manpower and material resources, and joining place is damaged easily, directly the working life of influence heating aqueduct.
The plastic tube long service life, environment infiltration, anti-extrusion, shock resistance, stretch-proof, counter-bending, corrosion-resistant, good antiscale property can be prevented, environmental protection low-carbon (LC) effect can be reached.In water transfer pipe network, more and more come into one's own, in recent years, public supply mains are registered one's residence and are partly generally adopted plastic tube.It will be trend of the times that hot duct adopts plastic tube, but the simple plastic tube that adopts replaces steel pipe and inadvisable, because the plastics hot duct requires that enough big intensity is arranged, good thermal insulation property and convenient construction etc.
Summary of the invention
In order to solve the problems referred to above that the prior art field exists, the purpose of this utility model is, a kind of multilayer composite plastic heating tubing is provided, and compressive strength is big, long service life, easy to use.
The multilayer composite plastic heating tubing that the utility model provides, it comprises interior pipe, thermal insulation layer, outer sleeve, and thermal insulation layer is made for the PU foam material, and thermal insulation layer is filled between interior pipe and the outer sleeve.Pipe comprises 5 layers of structure in described, is followed successively by PE-RT internal layer, EVOH mesosphere, PE-RT skin, layer of fibers, PE-RT clad from inside to outside, and described 5 layers of airtight sticking together of structure form the hard composite plastic pipe.Described outer sleeve is the HDPE material, and its surface structure is that some annular protrusions are alternate with annular groove, and described annular protrusion and annular groove are toroidal or whorl shape.For to be wound into a dish by winder, by unreeling the stretching use of inspection machine, the length of a coil pipe material was according to its external diameter difference during construction when this tubing dispatched from the factory, diameter 50-90mm, and generally at 300 meters to 600 meters, diameter 110-150mm is generally at 100 meters to 400 meters.
Wherein HDPE is a high density polyethylene (HDPE), and PU is a polyurethane, and PE-RT is a heat-proof polythene, and POY is a terylene, and EVOH is vinyl alochol-copolymer.
The multilayer composite plastic heating tubing that the utility model provides, its beneficial effect is, this plastics heating tubing adopts the laminated plastics composite structure, intensity is big, resistance to pressure good, can satisfy construction requirement fully, and joint is few during construction, reduced the generation of damaged accident, and good heat insulating, corrosion-resistant, the life-span is long, can substitute insulating steel tube, have a extensive future.
Description of drawings
Fig. 1 is an embodiment's of the utility model a broken section structural representation.
Mark among the figure:
1.HDPE outer sleeve; 2.PU thermal insulation layer; 3.PE-RT clad; 4.POY layer of fibers; 5.PE-RT it is outer; 6.EVOH mesosphere; 7.PE-RT internal layer.
Embodiment
With reference to the accompanying drawings, in conjunction with an embodiment, the multilayer composite plastic heating tubing that the utility model is provided is described in detail.
Embodiment
With reference to Fig. 1, the multilayer composite plastic of present embodiment heating tubing, it comprises interior pipe, PU thermal insulation layer 2, HDPE outer sleeve 1, and thermal insulation layer is made for the PU foam material, and thermal insulation layer is filled between interior pipe and the outer sleeve.Pipe comprises 5 layers of structure in described, is followed successively by PE-RT internal layer 7, EVOH mesosphere 6, PE-RT skin 5, POY layer of fibers 4, PE-RT clad 3 from inside to outside, and described 5 layers of airtight sticking together of structure form the hard composite plastic pipe.Described outer sleeve is the HDPE material, and its surface structure is that some annular protrusions are alternate with annular groove, and described annular protrusion and annular groove are the whorl shape.
When this tubing is produced, earlier with three layers of compound interior pipe pipe of three retable material extruder coextrusion molds, after the cooling oven dry, twine the POY fiber by winding machine on the three-layer composite pipe surface, coat very thin one deck PE-RT clad by a retable material extruder then, the POY fiber is fixed, and the tube outside is finished the moulding and the foaming of HDPE outer sleeve, PU thermal insulation layer again by foaming machine, plastic extruder in 5 layers then.By winder tube-rolling is become a dish at last, by unreeling the stretching use of inspection machine, the length of a coil pipe material is according to its external diameter difference during construction, diameter 50-90mm, and generally at 300 meters to 600 meters, diameter 110-150mm is generally at 100 meters to 400 meters.The heating pipe diameter 120mm of present embodiment, rolling length is 300 meters.
Claims (3)
1. multilayer composite plastic heating tubing, it is characterized in that: it comprises interior pipe, thermal insulation layer, outer sleeve, thermal insulation layer is made for the PU foam material, in thermal insulation layer is filled between pipe and the outer sleeve.
2. multilayer composite plastic heating tubing according to claim 1, it is characterized in that: pipe comprises 5 layers of structure in described, be followed successively by PE-RT internal layer, EVOH mesosphere, PE-RT skin, layer of fibers, PE-RT clad from inside to outside, described 5 layers of airtight sticking together of structure form the hard composite plastic pipe.
3. multilayer composite plastic heating tubing according to claim 1 and 2, it is characterized in that: described outer sleeve is the HDPE material, its surface structure is that some annular protrusions are alternate with annular groove, and described annular protrusion and annular groove are toroidal or whorl shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020571521XU CN201875292U (en) | 2010-10-16 | 2010-10-16 | Multi-course composite plastic heating tubular product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020571521XU CN201875292U (en) | 2010-10-16 | 2010-10-16 | Multi-course composite plastic heating tubular product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201875292U true CN201875292U (en) | 2011-06-22 |
Family
ID=44163209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020571521XU Expired - Fee Related CN201875292U (en) | 2010-10-16 | 2010-10-16 | Multi-course composite plastic heating tubular product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201875292U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705591A (en) * | 2012-06-29 | 2012-10-03 | 宁夏青龙塑料管材有限公司 | Heat-resistant and pressure-resistant polyethylene composite pipe |
| CN108302261A (en) * | 2018-01-25 | 2018-07-20 | 合肥中科富华新材料有限公司 | One kind having excellent heat-insulating property plastic tube and preparation method thereof |
-
2010
- 2010-10-16 CN CN201020571521XU patent/CN201875292U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705591A (en) * | 2012-06-29 | 2012-10-03 | 宁夏青龙塑料管材有限公司 | Heat-resistant and pressure-resistant polyethylene composite pipe |
| CN102705591B (en) * | 2012-06-29 | 2015-07-15 | 宁夏青龙塑料管材有限公司 | Heat-resistant and pressure-resistant polyethylene composite pipe |
| CN108302261A (en) * | 2018-01-25 | 2018-07-20 | 合肥中科富华新材料有限公司 | One kind having excellent heat-insulating property plastic tube and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201672170U (en) | Structured-wall pipe molded and wound from fibrous composite material | |
| EP3067609B1 (en) | Thermosetting bamboo sand composite pressure pipe | |
| CN104613243B (en) | A kind of resin base composite sandwich structural pipe and synchronization thereof are wound around manufacture method | |
| CN104613242B (en) | A kind of resin base composite sandwich structural pipe and secondary thereof are wound around manufacture method | |
| CN101153674A (en) | Continuously reinforced plastic heat-preserving composite pipeline used for oil field ground and its manufacturing technique | |
| CN106195464A (en) | A kind of bamboo is wound around composite pressure pipe | |
| CN104006229A (en) | Stainless steel belt composite pipe and manufacturing method thereof | |
| CN201875292U (en) | Multi-course composite plastic heating tubular product | |
| CN101881356B (en) | Steel wire enhanced bell and spigot composite plastic tube and fabrication process thereof | |
| CN211344279U (en) | Continuous glass fiber tape polyethylene composite pipe | |
| CN205048007U (en) | Continuous fibers side pipe strengthening rib heavy -calibre pipeline under pressure | |
| CN101463930A (en) | Corrugated continuous reinforced plastics heat-preserving composite pipe | |
| CN102059799A (en) | Production method for multilayer composite plastic pipes and production line thereof | |
| CN201715118U (en) | Steel-wire enhanced socket composite plastic tube | |
| CN201872346U (en) | Complete production unit of multi-layer composite plastic pipes | |
| CN212564779U (en) | Novel low-temperature prefabricated cold insulation pipe | |
| CN108638271B (en) | Preparation method of bamboo-wound reducer pipe and reducer pipe prepared by using same | |
| CN102518899A (en) | Novel electrofusion-jointing bell and spigot structure of polyethylene-wound structural wall pipe | |
| CN206386572U (en) | A kind of bamboo winds composite pressure pipe | |
| CN108119705A (en) | A kind of reducing bamboo winding pipe structure and preparation method thereof | |
| CN201827529U (en) | Steel plate enhancement type socket composite plastic pipe | |
| CN208605750U (en) | A kind of reducer pipe | |
| CN202001739U (en) | Double-wall twined pipe made from HDPE (high density polyethylene) steel strip | |
| CN211925056U (en) | Large-caliber glass fiber reinforced winding forming pressure pipe | |
| CN204477520U (en) | A kind of polyethylene foamed composite pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20111016 |