CN108458207A - A kind of special tubing of heat-insulating integral solar energy and processing technology - Google Patents
A kind of special tubing of heat-insulating integral solar energy and processing technology Download PDFInfo
- Publication number
- CN108458207A CN108458207A CN201810337686.1A CN201810337686A CN108458207A CN 108458207 A CN108458207 A CN 108458207A CN 201810337686 A CN201810337686 A CN 201810337686A CN 108458207 A CN108458207 A CN 108458207A
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- CN
- China
- Prior art keywords
- layer
- extruder
- heat
- insulating
- solar energy
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/127—Rigid pipes of plastics with or without reinforcement the walls consisting of a single layer
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of special tubing of heat-insulating integral solar energy, including supervisor, the supervisor is three-layer composite structure, the innermost layer is insulating layer, the insulating layer selects heat-proof polythene material, the middle layer is thermal insulation layer, the thermal insulation layer selects PE expanded materials, the outermost layer is anti-aging layer, the anti-aging layer selects ethylene-vinyl acetate copolymer material, which has the characteristics that heat insulating ability, good weatherability, as the special tubing of warming solar energy, not only tubing bursting by freezing can be prevented, but also hot loss of energy can be effectively reduced.
Description
Technical field
The present invention relates to a kind of special tubing of heat-insulating integral solar energy, belong to tubing field.
Background technology
In recent years, Solar Heater Market has tended to be ripe, and market development foreground is larger, small height especially in engineering
Layer, housing for survivor and school dormitory, kindergarten, hotel, hospital etc. and rural area self-built housing demand increase, and mesh
Gradually from city to transfer of rural, solar water heater is widely used preceding development trend, and match the solar energy used therewith
Special tubing is kept the temperature, is also constantly being increased.
Traditional solar energy pipeline mostly uses thin-wall stainless steel, and coating steel pipe, aluminum plastic composite pipe, PPR pipe road etc. is deposited
In the problem that heat-insulating property is poor, and these products are in use, and there is also some other defects, such as construction connection is not square
Just, of high cost etc..Solar water heater lacks dedicated thermal-insulating type pipe material product with pipe, because solar energy pipe-line system often has
The directly exposed outdoor in more part, water transferring line such as heat-insulating property is poor, is unfavorable for protection and the hot-water line of tubing bursting by freezing
The energy conservation on road.
Invention content
The present invention proposes a kind of special tubing of heat-insulating integral solar energy, solve existing solar energy water transferring line heat-insulating property compared with
Difference, be unfavorable for tubing bursting by freezing protection and hot water line energy conservation the problem of.
In order to solve the above technical problems, the present invention proposes following technical scheme：
The present invention proposes a kind of special tubing of heat-insulating integral solar energy, and structure is three-layer composite structure, and the innermost layer is
Insulating layer, it is thermal insulation layer that the insulating layer, which selects heat-proof polythene material, the middle layer, and the thermal insulation layer selects PE foaming materials
Material, the outermost layer are anti-aging layer, the anti-aging layer selection ethylene-vinyl acetate copolymer material, and processing technology is：
Mixing raw materials → heating shearing plasticizing → insulating layer extrusion molding cooling → thermal insulation layer, anti-aging layer extrusion molding cooling (co-extrusion)
→ fixed length cutting → inspection storage, the specific steps are：
The first step, mixing raw materials, the material that proportioned raw material at all levels is put into corresponding extruder mix
In the feeding cylinder of collection device, batch mixing is carried out by material mixed collection device；
The material mixed is carried out heating plasticizing by second step, heating shearing plasticizing by extruder heating part；
Third walks, insulating layer extrusion molding cooling, carries out extrusion molding to raw material by extruder, and will be after extrusion molding
Internal layer cooled down；
4th step, thermal insulation layer, anti-aging layer extrusion molding cooling, by two extruders to raw material extrusion molding, and will
Thermal insulation layer after extrusion molding is cooled down with anti-aging layer；
5th step, fixed length cutting will cool down the product finished and be cut into corresponding size by cutting machine；
6th step examines storage, the product after cutting is tested, and qualified product packaging will be examined to be put in storage.
Preferably, the extruder quantity is 3, respectively insulating layer extruder, thermal insulation layer extruder and anti-aging layer
Extruder, shares the head of insulating layer extruder between extruder, and the head is equipped with machine head port mould, on the machine head port mould
It is coated with outer cladding mouth mold.
Preferably, the insulating layer extruder barrel temperature is 170~200 DEG C, and head temperature is 190~220 DEG C, is melted
190-200 DEG C of temperature.
Preferably, the thermal insulation layer extruder barrel front-end temperature is 140-180 DEG C, and back segment temperature is 70-120 DEG C.
Preferably, the anti-aging layer extruder barrel temperature is 150-170 DEG C.
Preferably, outer cladding mouth mold position temperature is 80-85 DEG C.
Preferably, the gas pressure general control of the thermal insulation layer extruder advantageously forms foaming times in 14-18MPa
Rate is suitable, the uniform PE foaming layers of foaming aperture.
Preferably, the thermal insulation layer uses the foam process that PE physical blowings are combined with chemical blowing, simple physics
Foamed products, foaming aperture is uneven, not of uniform size, and one side appearance unsightly, on the other hand can also influence heat-insulating property, tie
A small amount of chemical blowing is closed, foam bubble can be made to be evenly distributed, abscess is more careful, while apparent beautiful, it may have compared with
Good thermal and insulating performance.
By above technical scheme, advantageous effect of the present invention：The product has the characteristics that heat insulating ability, good weatherability, as
The special tubing of warming solar energy can not only prevent tubing bursting by freezing, but also can effectively reduce hot loss of energy.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
1, anti-aging layer；2, thermal insulation layer；3, insulating layer.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
A kind of special tubing of heat-insulating integral solar energy is produced by following processing technology, the specific steps are：
The first step, mixing raw materials, the material that proportioned raw material at all levels is put into corresponding extruder mix
In the feeding cylinder of collection device, batch mixing is carried out by material mixed collection device, wherein extruder quantity is 3, is respectively protected
Warm layer extruder, thermal insulation layer extruder and anti-aging layer extruder share the head of insulating layer extruder between extruder, described
Head is equipped with machine head port mould, is coated with outer cladding mouth mold on the machine head port mould, insulating layer extruder is put into heat-proof polythene
Material, thermal insulation layer extruder are put into PE materials, and anti-aging layer extruder is put into ethylene-vinyl acetate copolymer material.
The material mixed is carried out heating plasticizing by second step, heating shearing plasticizing by extruder heating part,
Third walks, insulating layer extrusion molding cooling, carries out extrusion molding to raw material by insulating layer extruder, and will squeeze out
Internal layer after molding is cooled down, and insulating layer extruder barrel temperature is 170~200 DEG C in process, and head temperature is
190~220 DEG C, 190-200 DEG C of melt temperature is usually no more than 220 DEG C
4th step, thermal insulation layer, anti-aging layer extrusion molding cooling, by dual stage extruder to raw material extrusion molding, and will
Thermal insulation layer after extrusion molding is cooled down with anti-aging layer；Wherein thermal insulation layer extruder barrel front-end temperature is 140-180 DEG C,
Back segment temperature is 70-120 DEG C.The anti-aging layer extruder cover barrel temperature be 150-170 DEG C, thermal insulation layer extruder with it is anti-ageing
Change layer extruder by head to be connected with outer cladding mouth mold, outer cladding mouth mold position temperature is 80-85 DEG C.
5th step, fixed length cutting will cool down the product finished and be cut into corresponding size by cutting machine；
6th step examines storage, by the product after cutting.
It is suitable to advantageously form expansion ratio in 14-18MPa for the gas pressure general control of the wherein described thermal insulation layer extruder
Preferably, the uniform PE foaming layers of foaming aperture, the thermal insulation layer use the foam process that PE physical blowings are combined with chemical blowing,
Simple physical blowing product, foaming aperture is uneven, not of uniform size, and one side appearance unsightly, on the other hand can also influence
Heat-insulating property can make foam bubble be evenly distributed in conjunction with a small amount of chemical blowing, and abscess is more careful, apparent beautiful same
When, it may have preferable thermal and insulating performance.
A kind of special tubing of heat-insulating integral solar energy produced by process above, structure is three-layer composite structure,
The innermost layer is insulating layer, and the middle layer is thermal insulation layer, and the outermost layer is anti-aging layer, and with heat insulating ability, resistance to
The features such as time property is good, as the special tubing of warming solar energy, can not only prevent tubing bursting by freezing, but also can effectively reduce the damage of thermal energy
It loses.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (8)
1. a kind of special tubing of heat-insulating integral solar energy, it is characterised in that：Its structure is three-layer composite structure, the innermost layer
For insulating layer, it is thermal insulation layer that the insulating layer, which selects heat-proof polythene material, the middle layer, and the thermal insulation layer selects PE foaming
Material, the outermost layer are anti-aging layer, and the anti-aging layer selects ethylene-vinyl acetate copolymer material, processing technology
For：Mixing raw materials → heating shearing plasticizing → insulating layer extrusion molding cooling → thermal insulation layer, anti-aging layer extrusion molding cooling are (altogether
Squeeze) → fixed length cutting → inspection storage, the specific steps are：
Proportioned raw material at all levels is put into the material mixed collection of corresponding extruder by the first step, mixing raw materials
In the feeding cylinder of device, batch mixing is carried out by material mixed collection device；
The material mixed is carried out heating plasticizing by second step, heating shearing plasticizing by corresponding extruder heating part；
Third walks, insulating layer extrusion molding cooling, carries out extrusion molding to raw material by extruder, and will be in after extrusion molding
Layer is cooled down；
4th step, thermal insulation layer, anti-aging layer extrusion molding cooling by two extruders to raw material extrusion molding, and will squeeze out
Thermal insulation layer after molding is cooled down with anti-aging layer；
5th step, fixed length cutting will cool down the product finished and be cut into corresponding size by cutting machine；
6th step examines storage, the product after cutting is tested, and qualified product packaging will be examined to be put in storage.
2. a kind of processing technology of the special tubing of heat-insulating integral solar energy according to claim 1, it is characterised in that：The first step
Middle extruder quantity is 3, respectively insulating layer extruder, thermal insulation layer extruder and anti-aging layer extruder, between extruder
The head of insulating layer extruder is shared, the head is equipped with machine head port mould, outer cladding mouth mold is coated on the machine head port mould.
3. a kind of processing technology of the special tubing of heat-insulating integral solar energy according to claim 2, it is characterised in that：The guarantor
Warm layer extruder barrel temperature is 170~200 DEG C, and head temperature is 190~220 DEG C, 190-200 DEG C of melt temperature.
4. a kind of processing technology of the special tubing of heat-insulating integral solar energy according to claim 2, it is characterised in that：It is described every
Thermosphere extruder barrel front-end temperature is 140-180 DEG C, and back segment temperature is 70-120 DEG C.
5. a kind of processing technology of the special tubing of heat-insulating integral solar energy according to claim 2, it is characterised in that：It is described anti-
It is 150-170 DEG C that aging layer extruder, which covers barrel temperature,.
6. according to a kind of processing technology of the special tubing of heat-insulating integral solar energy described in claim 2, it is characterised in that：The outsourcing
It is 80-85 DEG C to cover mouth mold position temperature.
7. a kind of processing technology of the special tubing of heat-insulating integral solar energy according to claim 2, it is characterised in that：It is described every
The gas pressure general control of thermosphere extruder is in 14-18MPa.
8. a kind of processing technology of the special tubing of heat-insulating integral solar energy according to claim 1, it is characterised in that：It is described every
Thermosphere uses the foam process that PE physical blowings are combined with chemical blowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810337686.1A CN108458207A (en) | 2018-04-16 | 2018-04-16 | A kind of special tubing of heat-insulating integral solar energy and processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810337686.1A CN108458207A (en) | 2018-04-16 | 2018-04-16 | A kind of special tubing of heat-insulating integral solar energy and processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108458207A true CN108458207A (en) | 2018-08-28 |
Family
ID=63234877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810337686.1A Pending CN108458207A (en) | 2018-04-16 | 2018-04-16 | A kind of special tubing of heat-insulating integral solar energy and processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108458207A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573895A (en) * | 2021-11-26 | 2022-06-03 | 浙江中财管道科技股份有限公司 | Heat-insulation integrated heat-resistant polyethylene pipe and preparation method thereof |
Citations (8)
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|---|---|---|---|---|
| CN1138150A (en) * | 1995-06-13 | 1996-12-18 | 王远声 | Ethylene-vinyl acetate copolymer modified polyethylene plastic pipe |
| CN2336949Y (en) * | 1998-04-18 | 1999-09-08 | 王守信 | Plastic three-layer co-extruding machines heads for tubes |
| CN2459511Y (en) * | 2000-12-15 | 2001-11-14 | 上海宝洋塑业有限公司 | Thermo-insulation foaming mateiral aluminium-plastic composite pipe |
| CN101839377A (en) * | 2010-05-14 | 2010-09-22 | 广东联塑科技实业有限公司 | Solar-powered hot water conveying pipeline and manufacturing method thereof |
| CN102059799A (en) * | 2010-10-16 | 2011-05-18 | 青岛亚桑机械有限公司 | Production method for multilayer composite plastic pipes and production line thereof |
| CN102167898A (en) * | 2010-11-29 | 2011-08-31 | 山东东大聚合物股份有限公司 | Environment-friendly composite material applied to heat preservation of pipeline and preparation method thereof |
| CN104045901A (en) * | 2014-07-02 | 2014-09-17 | 中国石油化工股份有限公司 | Ultra-high molecular weight polyethylene composition and process method for producing an ultra-high molecular weight polyethylene composition tubular product |
| CN104945777A (en) * | 2015-07-06 | 2015-09-30 | 江苏圣通环境工程有限公司 | Skinning low-foamed rigid PVC pipe and manufacturing technology thereof |
-
2018
- 2018-04-16 CN CN201810337686.1A patent/CN108458207A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1138150A (en) * | 1995-06-13 | 1996-12-18 | 王远声 | Ethylene-vinyl acetate copolymer modified polyethylene plastic pipe |
| CN2336949Y (en) * | 1998-04-18 | 1999-09-08 | 王守信 | Plastic three-layer co-extruding machines heads for tubes |
| CN2459511Y (en) * | 2000-12-15 | 2001-11-14 | 上海宝洋塑业有限公司 | Thermo-insulation foaming mateiral aluminium-plastic composite pipe |
| CN101839377A (en) * | 2010-05-14 | 2010-09-22 | 广东联塑科技实业有限公司 | Solar-powered hot water conveying pipeline and manufacturing method thereof |
| CN102059799A (en) * | 2010-10-16 | 2011-05-18 | 青岛亚桑机械有限公司 | Production method for multilayer composite plastic pipes and production line thereof |
| CN102167898A (en) * | 2010-11-29 | 2011-08-31 | 山东东大聚合物股份有限公司 | Environment-friendly composite material applied to heat preservation of pipeline and preparation method thereof |
| CN104045901A (en) * | 2014-07-02 | 2014-09-17 | 中国石油化工股份有限公司 | Ultra-high molecular weight polyethylene composition and process method for producing an ultra-high molecular weight polyethylene composition tubular product |
| CN104945777A (en) * | 2015-07-06 | 2015-09-30 | 江苏圣通环境工程有限公司 | Skinning low-foamed rigid PVC pipe and manufacturing technology thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114573895A (en) * | 2021-11-26 | 2022-06-03 | 浙江中财管道科技股份有限公司 | Heat-insulation integrated heat-resistant polyethylene pipe and preparation method thereof |
| CN114573895B (en) * | 2021-11-26 | 2023-08-29 | 浙江中财管道科技股份有限公司 | Heat-insulating integrated heat-resistant polyethylene pipe and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180828 |