CN112867188B - Carbon fiber heating pipe - Google Patents
Carbon fiber heating pipe Download PDFInfo
- Publication number
- CN112867188B CN112867188B CN202110077543.3A CN202110077543A CN112867188B CN 112867188 B CN112867188 B CN 112867188B CN 202110077543 A CN202110077543 A CN 202110077543A CN 112867188 B CN112867188 B CN 112867188B
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- fiber heating
- reinforcing
- wire
- pipe
- 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.)
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 71
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 66
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 66
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000012783 reinforcing fiber Substances 0.000 claims abstract description 16
- 239000011810 insulating material Substances 0.000 claims abstract description 5
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 31
- 229910052802 copper Inorganic materials 0.000 claims description 31
- 239000010949 copper Substances 0.000 claims description 31
- 230000003014 reinforcing effect Effects 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 abstract description 10
- 238000005452 bending Methods 0.000 abstract description 5
- 238000005485 electric heating Methods 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229920000271 Kevlar® Polymers 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 210000002489 tectorial membrane Anatomy 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Resistance Heating (AREA)
Abstract
The invention relates to the technical field of electric heating, in particular to a carbon fiber heating pipe which comprises a main pipeline wrapped by a thermosetting insulating material. According to the carbon fiber heating pipe, the pipe wall of the main pipe is designed to be corrugated, so that the pipe can be bent and deformed, the radius of a coiled circle is reduced, and the storage and the transportation are convenient; the inside spiral carbon fiber heater strip that is provided with of trunk line, the parcel of the carbon fiber heater strip outside has pipeline reinforcing fiber, and the symmetry is provided with built-in insulated wire and vertical reinforcing fiber's strengthening rib on the trunk line outer wall, has improved the pressure-bearing ability and the bending resistance ability of heating pipe.
Description
Technical Field
The invention relates to the technical field of electric heating and the field of oil transportation, in particular to a carbon fiber heating pipeline.
Background
The carbon fiber heating pipe is a high-tech product different from traditional electric heating pipes such as metal wires and halogens, and has the excellent performances of long service life, high electric heating conversion efficiency, far infrared radiation, health, environmental protection and the like. The base material of the heating body of the product is imported carbon fiber felt and carbon fiber yarn, and has the advantages of large power allowance, high temperature resistance, strong high heat capacity, long service life, random power adjustment and the like.
In the prior art, for example, a carbon fiber heating pipe (application number: cn201420095184.x), a plurality of carbon fibers are mutually independently controlled to improve the heating efficiency, and although the temperature is conveniently controlled, the heating pipe is made of common metal, so that the heating pipe is poor in pressure-bearing performance and cannot be bent, and the problem that heating and pressure-bearing cannot be simultaneously achieved exists.
In addition, in the prior art, for example, a heating pipe (application number: CN201920492603.6) with two ends densely wound with spiral carbon fibers is connected in parallel by using a connection rod, although the temperature can be controlled, the heating pipe is inflexible and needs to be connected manually, and the pipe cannot be bent when being fixed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems existing in the background technology, an improved carbon fiber heating pipe is provided, and the problems that the heating pipeline in the current market is uneven in heating, poor in temperature controllability, low in heating efficiency, and incapable of considering both heating and pressure bearing are solved.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a carbon fiber heating pipe, includes the trunk line by thermosetting insulating material parcel, the trunk line pipe wall be the ripple design, the inside spiral carbon fiber heating wire that is provided with of trunk line, carbon fiber heating wire outside parcel have pipeline reinforcing fiber, trunk line outer wall left and right sides all be provided with a strengthening rib, strengthening rib internally mounted have vertical reinforcing fiber, the left strengthening rib internally mounted of trunk line put insulating wire with the left side that the positive pole of power is connected, the strengthening rib internally mounted on trunk line right side put insulating wire with the right side that the power negative pole is connected, carbon fiber heating wire lateral surface interval connection have a copper wiring festival, left side put insulating wire and right side put insulating wire and form parallel circuit through the copper wiring festival on carbon fiber heating wire.
Furthermore, in order to enhance the pressure bearing performance and the bending resistance, a reinforcing groove is formed in the reinforcing rib, a wire groove used for installing a right-arranged insulated wire is formed in one side, located in the reinforcing groove, of the reinforcing rib, the right-arranged insulated wire is fixedly connected with the reinforcing rib through inserting the wire groove, and the longitudinal reinforcing fibers are fixedly connected with the reinforcing rib through inserting the reinforcing groove.
Further, in order to heat and bear pressure uniformly, the two reinforcing ribs are symmetrically arranged on the outer wall of the main pipeline.
Furthermore, in order to play a role in reflecting and insulating infrared rays of the carbon fibers, the outer side of the main pipeline is wrapped with a metal aluminum foil coating.
Furthermore, in order to facilitate connection, the copper connection section comprises a first copper pipe sleeved on the right-arranged insulating lead, a second copper pipe sleeved and fixed on the carbon fiber heating wire, and a copper connecting rod used for connecting the first copper pipe and the second copper pipe.
The invention has the beneficial effects that:
(1) according to the carbon fiber heating pipe, the pipe wall of the main pipeline is corrugated, so that the pipeline can be bent and deformed, the radius of a disc circle is reduced, and the carbon fiber heating pipe is convenient to store and transport;
(2) the spiral carbon fiber heating wire is arranged in the main pipeline, the pipeline reinforcing fibers are wrapped outside the carbon fiber heating wire, and reinforcing ribs with built-in insulated wires and longitudinal reinforcing fibers are symmetrically arranged on the outer wall of the main pipeline, so that the pressure bearing performance and the bending resistance of the heating pipe are improved;
(3) copper connection sections are connected to the outer side surfaces of the carbon fiber heating wires at intervals, and the left-placed insulating wire and the right-placed insulating wire form a parallel circuit on the carbon fiber heating wires through the copper connection sections, so that each section of the carbon fiber heating wires are respectively connected with a power supply for electrifying and heating under the condition that the carbon fiber heating wires are not disconnected, and the heating is controllable;
(4) the metal aluminum foil film is wrapped outside the main pipeline, and the infrared rays of the carbon fiber heating wire are reflected and insulated.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a partial schematic view of a copper junction of the present invention.
Fig. 3 is a partial schematic view of a reinforcing bar according to the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Fig. 1, a carbon fiber heating pipe shown in fig. 2 and fig. 3, include trunk line 1 by thermosetting insulating material parcel, 1 pipe wall of trunk line is the ripple design, 1 inside spiral carbon fiber heater strip 2 that is provided with of trunk line, 2 outside parcels of carbon fiber heater strip have pipeline reinforcing fiber 3, 1 outer wall left and right sides of trunk line all is provided with a strengthening rib 4, 4 internally mounted of strengthening rib have vertical reinforcing fiber 6, 1 left strengthening rib 4 internally mounted of trunk line has the left side that is connected with the power positive pole to put insulating wire 13, 4 internally mounted of strengthening rib on 1 right side of trunk line have the right side that is connected with the power negative pole to put insulating wire 5, 2 lateral surface interval connection of carbon fiber heater strip has copper wiring festival 7, left side is put insulating wire 13 and right side is put insulating wire 5 and is formed parallel circuit on carbon fiber heater strip 2 through copper wiring festival 7.
Furthermore, in order to enhance the pressure bearing performance and the bending resistance, a reinforcing groove 8 is formed in the reinforcing rib 4, a wire groove 9 for installing the right-side insulated wire 5 is formed in one side, located on the reinforcing groove 8, of the reinforcing rib 4, the right-side insulated wire 5 is fixedly connected with the reinforcing rib 4 through the wire groove 9, and the longitudinal reinforcing fibers 6 are fixedly connected with the reinforcing rib 4 through the reinforcing groove 8.
Further, for heating and pressure-bearing even, two 4 symmetries of strengthening rib set up on 1 outer wall of trunk line, and further, for the infrared ray to the carbon fiber plays reflection heat preservation effect, 1 outside parcel of trunk line has the metal aluminium foil tectorial membrane.
Further, in order to facilitate connection, the copper connection node 7 includes a first copper pipe 10 sleeved on the right-side insulation wire 5, a second copper pipe 11 sleeved and fixed on the carbon fiber heating wire 2, and a copper connection rod 12 for connecting the first copper pipe 10 and the second copper pipe 11.
Example (b): this heating pipe is flexible stereoplasm carbon fiber heating pipe, 1 equipartition spiral carbon fiber heater strip 2 along the trunk line, it puts insulating wire 13 and puts insulating wire 5 in the right side to be provided with a left side at 1 outer wall symmetry of trunk line, it puts insulating wire 13 and is connected with the power positive pole to put a left side, it is connected with the power negative pole to put insulating wire 5 in the right side, the insulating layer of insulating wire 5 is peeled off at a certain distance apart, be connected copper wiring festival 7 with carbon fiber heater strip 2, it forms parallel circuit through copper wiring festival 7 to put insulating wire 13 and put insulating wire 5 in the right side on carbon fiber heater strip 2 to put a left side, guaranteeing like this under the condition that carbon fiber heater strip 2 does not break off, every section equidistance carbon fiber heater strip 2 connects the power respectively, until the purpose of ohmic heating. The outer side of the carbon fiber heating wire 2 is wrapped with the pipeline reinforced fiber 3 (such as Kevlar non-conductive fiber) so as to improve the bearing pressure of the main pipeline 1, the whole main pipeline 1 is wrapped by thermosetting insulating material, and the outermost side of the main pipeline 1 is coated with the metal aluminum thin film to play a role in reflecting and insulating infrared rays of the carbon fiber heating wire 2. The carbon fiber heating wire 2 is positioned at the inner side or the outer side of the pipeline reinforcing fiber 3 according to the priority of pipeline heat preservation and pressure, the inner side is of a heating priority type, and the outer side is of a pressure bearing priority type. The wire diameter of the wire changes according to the power change. The product is used by matching with a temperature controller to tightly control the temperature of the carbon fiber heating wire 2 and prevent the pipe wall from being burnt out.
According to the carbon fiber heating pipe, the pipe wall of the main pipe 1 is corrugated, so that the pipe can be bent and deformed, the radius of a disc circle is reduced, and the carbon fiber heating pipe is convenient to store and transport; a spiral carbon fiber heating wire 2 is arranged in the main pipeline 1, pipeline reinforcing fibers 3 wrap the outer side of the carbon fiber heating wire 2, and reinforcing ribs 4 with built-in insulated wires and longitudinal reinforcing fibers 6 are symmetrically arranged on the outer wall of the main pipeline 1, so that the pressure bearing performance and the bending resistance of the heating pipe are improved; copper wiring joints 7 are connected to the outer side surfaces of the carbon fiber heating wires 2 at intervals, and the left insulating wire 1 and the right insulating wire 5 form a parallel circuit on the carbon fiber heating wires 2 through the copper wiring joints 7, so that each section of the carbon fiber heating wires 2 is respectively connected with a power supply for heating in a power-on mode under the condition that the carbon fiber heating wires 2 are not disconnected, and heating is controllable; the metal aluminum foil film is wrapped outside the main pipeline 1, and the infrared rays of the carbon fiber heating wire 2 are reflected and insulated.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides a carbon fiber heating pipe, includes trunk line (1) by thermosetting insulating material parcel, characterized by: the pipe wall of the main pipeline (1) is designed to be corrugated, a spiral carbon fiber heating wire (2) is arranged in the main pipeline (1), the outer side of the carbon fiber heating wire (2) is wrapped with pipeline reinforcing fiber (3), the left side and the right side of the outer wall of the main pipeline (1) are respectively provided with a reinforcing rib (4), the reinforcing ribs (4) are internally provided with longitudinal reinforcing fibers (6), the reinforcing ribs (4) on the left side of the main pipeline (1) are internally provided with a left-arranged insulated lead (13) connected with the anode of a power supply, a right-arranged insulated lead (5) connected with the negative pole of the power supply is arranged in the reinforcing rib (4) at the right side of the main pipeline (1), the outer side surface of the carbon fiber heating wire (2) is connected with copper connecting joints (7) at intervals, the left-placed insulated wire (13) and the right-placed insulated wire (5) form a parallel circuit on the carbon fiber heating wire (2) through the copper connecting joint (7).
2. The carbon fiber heating pipe according to claim 1, wherein: the reinforcing rib (4) inside reinforcing groove (8) of having seted up, reinforcing rib (4) inside be located reinforcing groove (8) one side and seted up wire casing (9) that are used for installing right side and put insulated wire (5), right side put insulated wire (5) through inserting wire casing (9) and reinforcing rib (4) fixed connection, vertical reinforcing fiber (6) through inserting reinforcing groove (8) and reinforcing rib (4) fixed connection.
3. The carbon fiber heating pipe according to claim 1, wherein: the two reinforcing ribs (4) are symmetrically arranged on the outer wall of the main pipeline (1).
4. The carbon fiber heating pipe according to claim 1, wherein: the outer side of the main pipeline (1) is wrapped with a metal aluminum foil film.
5. The carbon fiber heating pipe according to claim 1, wherein: the copper connection joint (7) comprises a first copper pipe (10) sleeved on the right-arranged insulated wire (5), a second copper pipe (11) sleeved and fixed on the carbon fiber heating wire (2) and a copper connecting rod (12) used for connecting the first copper pipe (10) and the second copper pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110077543.3A CN112867188B (en) | 2021-01-20 | 2021-01-20 | Carbon fiber heating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110077543.3A CN112867188B (en) | 2021-01-20 | 2021-01-20 | Carbon fiber heating pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112867188A CN112867188A (en) | 2021-05-28 |
| CN112867188B true CN112867188B (en) | 2022-07-12 |
Family
ID=76008351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110077543.3A Active CN112867188B (en) | 2021-01-20 | 2021-01-20 | Carbon fiber heating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112867188B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3568722A (en) * | 1968-09-17 | 1971-03-09 | Ppg Industries Inc | Longitudinally reinforced flexible duct |
| CH561389A5 (en) * | 1974-03-29 | 1975-04-30 | Kabel Metallwerke Ghh | Insulated duct for hot fluids - duct comprises inner and outer corrugated welded seam tubes with mineral insulation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6932116B2 (en) * | 2002-03-14 | 2005-08-23 | Insituform (Netherlands) B.V. | Fiber reinforced composite liner for lining an existing conduit and method of manufacture |
| PL1589270T3 (en) * | 2004-04-20 | 2010-08-31 | Salver S P A | Multi-layer duct |
-
2021
- 2021-01-20 CN CN202110077543.3A patent/CN112867188B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3568722A (en) * | 1968-09-17 | 1971-03-09 | Ppg Industries Inc | Longitudinally reinforced flexible duct |
| CH561389A5 (en) * | 1974-03-29 | 1975-04-30 | Kabel Metallwerke Ghh | Insulated duct for hot fluids - duct comprises inner and outer corrugated welded seam tubes with mineral insulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112867188A (en) | 2021-05-28 |
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