WO2017114334A1 - Auto-régulation thermique de film de matériau polymère électriquement conducteur à coefficient de température positif composite et tuyau en matière plastique thermiquement isolé - Google Patents
Auto-régulation thermique de film de matériau polymère électriquement conducteur à coefficient de température positif composite et tuyau en matière plastique thermiquement isolé Download PDFInfo
- Publication number
- WO2017114334A1 WO2017114334A1 PCT/CN2016/111977 CN2016111977W WO2017114334A1 WO 2017114334 A1 WO2017114334 A1 WO 2017114334A1 CN 2016111977 W CN2016111977 W CN 2016111977W WO 2017114334 A1 WO2017114334 A1 WO 2017114334A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tube
- conductive polymer
- polymer material
- material film
- ptc conductive
- Prior art date
Links
Classifications
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/12—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit with one plug turning in another
-
- 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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/35—Ohmic-resistance heating
- F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
-
- 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
- F16L59/028—Composition or method of fixing a thermally insulating material
Definitions
- the present invention relates to a composite PTC conductive polymer material film self-regulating and heat-insulating plastic tube, belonging to the field of heat preservation tubes.
- the heating cable Since the heating cable is installed on the outer wall of the pipeline, it cannot be in good contact with the pipeline, the thermal resistance is increased, and the heat utilization rate of the heating cable is low, so that the power consumption is large, the ice-making performance is poor, and the application effect is changed. Poor, and often a fire, not safe enough.
- the venting type antifreeze device has the possibility of storing water due to the installation of the pipeline, so that the drainage of the pipeline is not smooth, and the problem of the frozen plug still occurs, so that its application is greatly restricted.
- the heating cable made of PTC conductive polymer material has been commercialized and marketed in China. However, PTC conductive polymer materials have not been used to make self-regulating and heat-insulating plastic tubes. technical problem
- Known pipes for solar water heaters are mostly aluminum-plastic composite pipes, plastic pipes, or materials such as metal pipes.
- the pipeline In the winter, when the pipeline is poorly insulated, the pipeline is often frozen. Moreover, due to the expansion of the pipeline, the water and sewage pipelines are often frozen and cracked, which may result in failure to use normally. For some organic chemicals, the temperature is low and the delivery is more difficult. Due to the insulation of the pipes, the ice inside the pipes is not easily degraded even if the temperature rises.
- a composite PTC conductive polymer material film self-controlled temperature and heat preservation plastic tube including an electric insulating tube, a PTC conductive polymer material film, an electrical connection wire electrode, a plastic tube.
- the material film is evenly distributed, and the extrusion coating is fixed on at least two wire electrodes to form a PTC conductive polymer material film which is well electrically connected to the wire electrode to wrap the tubular layer.
- a PTC conductive polymer material film heating circuit is constructed in parallel with a package of a PTC conductive polymer material film through at least two wire electrodes. Or on the outer wall of the electric insulating tube, a film of P TC conductive polymer material which is wrapped around the outer wall of the electric insulating tube is wrapped to wrap the tubular layer. After that, at least two wire electrodes are arranged, which are symmetrically distributed and fixed on the outer tube wall of the electric insulating tube, and the PTC conductive polymer material film is evenly distributed, and is extrusion-wrapped and fixed on at least two wire electrodes to form PTC conductive polymerization.
- the PTC conductive polymer material film having a good electrical connection between the material film and the wire electrode surrounds the tubular layer.
- a PTC conductive polymer material film heating circuit is constructed in parallel with the package of the PTC conductive polymer material film through at least two wire electrodes. Electrically connected to the wire electrode or coated with solder.
- the PTC conductive polymer material film wraps the tubular layer and the wire electrode, and at least closely wraps the electrically insulating air sandwich heat insulating plastic tube manufactured by the extrusion process.
- Extruded electrically insulated air interlayer The insulated plastic tube is a set of two tubes. Between the two tubes, there are at least two symmetrically distributed positioning support ribs.
- the metal conductor is electrically heated and insulated on the inner wall of the electric insulating tube of the plastic tube or combined with other tubes, the metal conductor is electrically heated to heat the plastic tube, and the outer tube wall of the annular hollow interlayer air heat insulating tube is combined with the heat insulating tube layer of other materials.
- a composite PTC conductive polymer material film self-heating and insulating plastic tube comprising an electric insulating tube, a PTC conductive polymer material film, an electrical connecting wire electrode, and a plastic tube.
- a composite PTC conductive polymer material film self-regulating and heat-insulating plastic tube on the outer wall of the electric insulating tube, at least two wire electrodes are arranged, symmetrically distributed and fixed on the outer tube wall of the electric insulating tube, PTC conductive polymerization
- the film of the material is evenly distributed, and the extrusion coating is fixed on at least two wire electrodes to form a PTC conductive polymer material film which is well electrically connected to the wire electrode of the PTC conductive polymer material film to wrap the tubular layer.
- a PTC conductive polymer material film heating circuit is constructed in parallel with the PTC conductive polymer material film through at least two wire electrodes. Or on the outer wall of the electric insulating tube, the PTC conductive polymer material film which is wrapped around the outer wall of the electric insulating tube is wrapped to wrap the tubular layer. After that There are two wire electrodes, which are symmetrically distributed and fixed on the outer tube wall of the electric insulating tube. The PTC conductive polymer material film is evenly distributed, and is extrusion-wrapped and fixed on at least two wire electrodes to form p TC conductive polymer. The PTC conductive polymer material film in which the material film is electrically connected to the wire electrode wraps the tubular layer.
- a PTC conductive polymer material film heating circuit is constructed in parallel with the PTC conductive polymer material film through at least two wire electrodes. Electrically connected to the wire electrode or coated with solder.
- the PTC conductive polymer material film is wrapped on the tubular layer and the wire electrode, and is laminated with an adhesive film layer.
- the adhesive film layer is at least tightly wrapped with an electrically insulating air interlayer insulating plastic tube manufactured by an extrusion process.
- the extruded electrically insulated air sandwich insulation plastic tube is a set of two tubes, and at least two symmetrically distributed positioning support ribs are disposed between the two tubes.
- the metal conductor is electrically heated and insulated on the inner wall of the electric insulating tube of the plastic tube or combined with other tubes, the metal conductor is electrically heated to heat the plastic tube, and the outer tube wall of the annular hollow interlayer air heat insulating tube is combined with a heat insulating tube layer of other materials.
- a composite PTC conductive polymer material film self-heating and insulating plastic tube comprises the following steps
- the PTC conductive polymer material is 60 to 70 parts by weight of a polypropylene matrix resin, 10 to 20 parts by weight of a fluororubber, 10 to 20 parts by weight of a carbon black, and an auxiliary agent.
- the composition is 5 to 10 parts by weight, and the components are weighed and added to an internal mixer for plasticization, and the plasticizing temperature is 180 to 200 ° C, and the mixing time is 5 to 10 minutes.
- the prepared electrically insulating plastic tube is wound on the outer wall of the electrically insulating plastic tube by a winding machine, and the tube head of the wound electrically insulated plastic tube is inserted into the screw extruder. In the die.
- the pellet of the step (2) is extruded together with an electrically insulating plastic tube wound with two tinned copper wires in a screw extruder to obtain a self-heating insulated tube.
- the PTC conductive polymer material film which is wrapped around the outer wall of the electric insulating tube is wrapped to wrap the tubular layer; the PTC conductive polymer material film on the tubular layer of the electrically insulating tube is passed through the winding machine
- the outer wall of the electrically insulated plastic tube is wound, and the tube head of the wound electrically insulated plastic tube is inserted into the die of the screw extruder.
- the pellet of the step (2) is extruded together with an electrically insulating plastic tube wound with two tinned copper wires in a screw extruder to obtain a self-heating thermal insulation tube.
- a composite PTC conductive polymer material film self-temperature-controlled heat-insulating plastic tube is composed of 65 parts by weight of a polypropylene matrix resin, 15 parts by weight of a fluororubber, 15 parts by weight of carbon black, and 8 weight of an auxiliary agent.
- a composite PTC conductive polymer material film self-temperature-controlled thermal insulation plastic tube the PTC conductive polymer material auxiliary agent is an antioxidant, a crosslinking sensitizer, a flame retardant, a stabilizer and a dispersant More than one species.
- the adhesive is a conventional adhesive or an oxygen barrier adhesive.
- the oxygen barrier adhesive is applied to the junction between at least one layer of the electric heating composite plastic heating pipe.
- the oxygen barrier adhesive is applied to the junction between the at least one layer of the tube of the electric heating heating composite heating pipe.
- a composite PTC conductive polymer material film self-regulating and heat-insulating plastic tube which is composited with a tube of other material on the inner surface of the electrically insulating plastic tube, firstly or directly coating the tube head of other material tubes After the adhesive is applied, it is inserted into a die of a screw extruder, and an electrically insulating plastic tube is extruded thereon.
- the pellet of the step (2) is extruded together with an electrically insulating plastic tube wound with two tinned copper wires in a screw extruder to obtain a self-heating thermal insulation tube.
- the self-controlled temperature heat preservation pipe head will be inserted into the die of the screw extruder, directly or after applying the adhesive glue, and then enter the die of the screw extruder to heat the temperature control.
- Irradiation cross-linking The self-controlled temperature and heat-insulating plastic tube obtained in the step (3) is irradiated and cross-linked by an electron accelerator to obtain a self-controlled temperature and heat-insulating plastic tube of the composite PTC conductive polymer material film.
- the other tube is a foaming material insulation tube, and the outer surface of the foam material insulation tube is self-skinning or a composite skin.
- the outer surface of the outer tube of the annular hollow interlayer air insulation tube is provided with a reflective film, or the outer surface of the outer surface of the annular hollow interlayer air insulation tube is provided with a reflective film, or the outer surface of the outer surface of the heat insulating material tube is provided with a reflective film.
- at least one of an outer surface of the annular hollow interlayer air heat insulating tube, an outer surface of the foamed material heat insulating tube, and an outer surface of the composite skin is coated with a reflective film, or a reflective film is laminated on the outer skin of each layer of the pipe .
- a composite PTC conductive polymer material film self-regulating and heat-insulating plastic tube can quickly and evenly heat the inner wall of the pipeline along the electric heating wire with a small amount of electric energy to form a liquid flow path, so that the inside of the pipeline
- the hot water flows down the entire pipe to rapidly reduce the ice.
- the control component can control the power of the power supply, so that the heat generated by the wire can keep the insulated pipe from freezing, and the water in the pipe can be maintained at a certain temperature by controlling the power supply to realize the snoring water.
- the function of hot water is produced at the mouth. The production process is mature and simple, and the strength of the pipeline is greatly improved. Because there is water in the pipeline, the electric heating is not easy to generate overheating.
- the power can be controlled, which represents the future development direction of the thermal insulation pipe.
- a composite PTC conductive polymer material film self-heating and insulating plastic tube comprising an electric insulating tube 1, a PTC conductive polymer material film 3, an electrical connection wire electrode 2.
- the material film 3 is evenly distributed, and is extrusion-wrapped and fixed on at least two wire electrodes 2 to form a PTC conductive polymer material film 3 and a wire electrode 2
- the electrically connected PTC conductive polymer material film 3 wraps the tubular layer; the extruded electrically insulating air interlayer insulating plastic tube is set together with the inner tube 4 of the heat insulating tube and the outer tube 6 of the heat insulating tube, and at least between the two tubes There are two symmetrically distributed positioning support ribs 5.
- the inner surface of the inner tube 4 of the heat insulating tube is provided with a reflective film 7, and the others are the same as those in FIG. 1 and FIG.
- the inner wall of the electric insulating tube 1 of the composite electric heating film with thermal insulation plastic tube is compounded with a plastic tube 8, and the other is equivalent to FIG. 1 and FIG.
- the composite insulating electric heating film is provided with a heat insulating tube layer on the outer wall of the insulating tube of the annular hollow interlayer air insulating tube.
- Others are equivalent to Figure 1 and Figure 2.
- the outer wall of the heat insulating tube of the annular hollow interlayer air heat insulating tube of the composite electric heating film heat-insulating plastic tube is composited with the heat insulating tube layer 9 and the composite electric heating film.
- the inner wall of the electrically insulating tube 1 of the thermal insulation plastic tube is compounded with a plastic tube 8, and the others are equivalent to those shown in Figs.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
L'invention concerne un auto-régulation de film de matériau polymère électriquement conducteur à coefficient de température positif composite et un tuyau en matière plastique thermiquement isolé, lequel comprend un tuyau électriquement isolé (1), un film de matériau polymère électriquement conducteur à coefficient de température positif (3), des électrodes conductrices de connexion électrique (2), un tuyau dans un tuyau thermiquement isolant (4), et un tuyau sur un tuyau thermiquement isolant (6). Sur la paroi externe du tuyau électriquement isolé sont disposées au moins deux électrodes conductrices, réparties de façon symétrique, enroulées, et fixées sur la paroi de tuyau externe du tuyau électriquement isolé, le film de matériau polymère électriquement conducteur à coefficient de température positif étant réparti de façon uniforme, extrudé, enroulé autour des au moins deux électrodes conductrices et fixé sur ces dernières, de façon à former une couche en forme de tuyau enroulée de film de matériau polymère électriquement conducteur à coefficient de température positif, le film de matériau polymère électriquement conducteur à coefficient de température positif ayant une connexion électrique importante avec les électrodes conductrices. Le tuyau en matière plastique thermiquement isolé par une couche d'air en sandwich électriquement isolante ainsi extrudé constitue le tuyau dans un tuyau thermiquement isolant et le tuyau sur un tuyau thermiquement isolant manchonnés l'un sur l'autre. Entre les deux tuyaux sont disposées de façon symétrique au moins deux nervures de support de positionnement réparties de façon régulière (5).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201511006262 | 2015-12-29 | ||
CN201511006262.X | 2015-12-29 |
Publications (1)
Publication Number | Publication Date |
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WO2017114334A1 true WO2017114334A1 (fr) | 2017-07-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2016/111977 WO2017114334A1 (fr) | 2015-12-29 | 2016-12-25 | Auto-régulation thermique de film de matériau polymère électriquement conducteur à coefficient de température positif composite et tuyau en matière plastique thermiquement isolé |
Country Status (2)
Country | Link |
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CN (1) | CN106594446A (fr) |
WO (1) | WO2017114334A1 (fr) |
Families Citing this family (1)
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DE102021104680A1 (de) * | 2021-02-26 | 2022-09-01 | Eberspächer Catem Gmbh & Co. Kg | Elektrische Heizvorrichtung |
Citations (5)
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WO2006097765A1 (fr) * | 2005-03-18 | 2006-09-21 | Heat Trace Limited | Ligne de fluide chauffée |
CN102620454A (zh) * | 2012-04-13 | 2012-08-01 | 许锋 | 太阳能热水器用自控温防冻管 |
CN103608170A (zh) * | 2011-04-19 | 2014-02-26 | 福士汽车配套部件责任有限公司 | 多层电加热介质管线 |
CN103759440A (zh) * | 2013-09-27 | 2014-04-30 | 安徽华印机电股份有限公司 | 一种用于太阳能管道防冻电伴热系统 |
CN103804778A (zh) * | 2012-11-13 | 2014-05-21 | 安邦电气集团有限公司 | 一种自控温伴热带的制备方法 |
Family Cites Families (5)
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CN2239556Y (zh) * | 1995-12-25 | 1996-11-06 | 淄博市临淄镭射技术研究所 | 多功能复合管 |
CN1173125C (zh) * | 2002-08-27 | 2004-10-27 | 浙江大学 | 自控温发热复合管 |
CN101769405A (zh) * | 2005-03-23 | 2010-07-07 | 徐宝安 | 一种电导线伴热保温复合塑胶管 |
US8559800B2 (en) * | 2009-02-13 | 2013-10-15 | The Gates Corporation | Heated fluid conduit end covers, systems and methods |
CN203585599U (zh) * | 2013-11-19 | 2014-05-07 | 开平市宝来塑胶制品有限公司 | 一种高压力pvc塑筋螺旋增强管 |
-
2016
- 2016-12-25 WO PCT/CN2016/111977 patent/WO2017114334A1/fr active Application Filing
- 2016-12-28 CN CN201611239015.9A patent/CN106594446A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006097765A1 (fr) * | 2005-03-18 | 2006-09-21 | Heat Trace Limited | Ligne de fluide chauffée |
CN103608170A (zh) * | 2011-04-19 | 2014-02-26 | 福士汽车配套部件责任有限公司 | 多层电加热介质管线 |
CN102620454A (zh) * | 2012-04-13 | 2012-08-01 | 许锋 | 太阳能热水器用自控温防冻管 |
CN103804778A (zh) * | 2012-11-13 | 2014-05-21 | 安邦电气集团有限公司 | 一种自控温伴热带的制备方法 |
CN103759440A (zh) * | 2013-09-27 | 2014-04-30 | 安徽华印机电股份有限公司 | 一种用于太阳能管道防冻电伴热系统 |
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CN106594446A (zh) | 2017-04-26 |
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