CN207830745U - A kind of heat tracing RTP tube - Google Patents
A kind of heat tracing RTP tube Download PDFInfo
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- CN207830745U CN207830745U CN201721828981.4U CN201721828981U CN207830745U CN 207830745 U CN207830745 U CN 207830745U CN 201721828981 U CN201721828981 U CN 201721828981U CN 207830745 U CN207830745 U CN 207830745U
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- rtp
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- heat tracing
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Abstract
The utility model is related to a kind of heat tracing RTP tube, including the RTP inner tubes 1 set gradually from the inside to the outside, RTP enhancement layers 2 and RTP outer tubes 3, it further include the insulating layer 4 for being socketed on 3 outer surface of RTP outer tubes, the outer surface of insulating layer 4 is enclosed with external protection 5, it include thermometric heating device in insulating layer 4, thermometric heating device includes along pipeline axially equally distributed one group of temperature-measuring optical fiber and one group of heating tape, temperature-measuring optical fiber includes at least temperature-measuring optical fiber internal layer and temperature-measuring optical fiber outer layer, thermometric internal layer is cylindric continuous temperature sensitive optical fiber 6, temperature sensitive optical fiber outer wall is socketed with temperature-measuring optical fiber outer layer, temperature-measuring optical fiber outer layer be temperature sensitive optical fiber can inside free-moving ferrule 7.The utility model can integrate heat preservation, heat tracing, temperature measurement on-line, leak detection.
Description
Technical field
The utility model is related to a kind of heat tracing RTP tube, belong to pipeline processing field.
Background technology
According to the applicant understood, currently, for predominantly two kinds of RTP tube road heat preservation conveying, one is traditional simple heat preservations
Layer heat preservation, such as the patent No. 201420013765.4, publication date is that flexible compound disclosed in the patent document of 2014.01.09 is protected
Warm pipeline by calculating thermal insulation material thickness control and velocity of medium the temperature loss of pipeline inlet and outlet, and then passes through
Inlet temperature and heat preservation thickness are adjusted to achieve the purpose that convey under medium certain temperature；Another kind is by online heat tracing, such as
A kind of patent No. 201620719442.6, novel pipeline heat tracing form disclosed in the patent document of publication date 2016.3.22, passes through
Once add heating device along pipeline is laid with, to ensure that pipeline internal medium constant temperature conveys, but the problem of this pipeline is that control is adopted
It is open type control system, has lacked temperature feedback link, causes control accuracy insufficient, pipeline local temperature cannot be obtained effectively
To control.
Utility model content
The shortcomings that technical problem to be solved in the utility model is, overcomes the prior art, provide one kind can collect heat preservation,
The heat tracing RTP tube that heat tracing, temperature measurement on-line, leak detection are integrated.
In order to solve the above technical problems, the utility model provides a kind of heat tracing RTP tube, including set gradually from the inside to the outside
RTP inner tubes 1, RTP enhancement layers 2 and RTP outer tubes 3, RTP inner tubes 1, RTP enhancement layers 2 and RTP outer tubes 3 are combined as standard thermoplastic
Property nonmetallic enhancing multilayer composite pipeline, be the main carriers of medium conveying, can play and resist pressure medium and ensure medium flow field
Logical purpose.The utility model further includes the insulating layer 4 for being socketed on 3 outer surface of RTP outer tubes, and the outer surface of insulating layer 4 is enclosed with
External protection 5, includes thermometric heating device in insulating layer 4, and thermometric heating device includes along pipeline axially equally distributed one
Group temperature-measuring optical fiber and one group of heating tape, temperature-measuring optical fiber include at least temperature-measuring optical fiber internal layer and temperature-measuring optical fiber outer layer, and thermometric internal layer is
Cylindric continuous temperature sensitive optical fiber 6, temperature sensitive optical fiber outer wall are socketed with temperature-measuring optical fiber outer layer, and temperature-measuring optical fiber outer layer is that temperature sensitive optical fiber can be
Interior free-moving ferrule 7.
The technical solution that the utility model further limits is：
Further, heating tape includes at least heating tape internal layer and heating tape outer layer, and heating tape internal layer is electrical heating heat tracing
Band 8, electrical heating heating tape outer wall are socketed with heating tape outer layer, and heating tape outer layer is protection sleeve pipe 9.Heating tape is in conduit running mistake
The constant temperature conveying for ensureing medium in journey, can adjust heat tracing temperature in real time according to the temperature measurement result of temperature-measuring optical fiber at any time.
Further, the material of ferrule is high-density polyethylene material, and casing is during optical fiber is embedded to pipeline
It plays a protective role.
Further, protection sleeve pipe 9 is continuous Steel Casing or is wrapped in electrical heating heat tracing with certain predetermined winding angle
Metal coating band with outer wall, plays the protective effect to electrical heating heating tape.
Further, RTP inner tubes 1 are continuous homogenizing structure is had using high-density polyethylene material continuous extrusion
The features such as wearability, anti-corrosive properties, anti-permeability, high transfer efficiency.
Further, RTP enhancement layers 2 are that the composite band being wrapped on RTP outer wall of inner tube with predetermined winding angle is constituted.
Further, composite band includes one group along the axial uniformly distributed pre-tensioned reinforcing fiber prepreg tape side by side of inner tube, is increased
Polyethylene can be selected in the host material of strong fiber prepreg tape, and the number of plies and winding angle of composite band can be according to pipeline medium pressures
Power determines that winding angle is 50 ° ± 5 ° under normal circumstances, and pressure medium is led to by fibre strength, fiber number and winding outer diameter
It crosses calculating synthesis to determine, between generally 20bar~200bar.
Further, the material of reinforcing fiber prepreg tape is aramid fiber, polyester fiber, glass fibre or carbon fiber.
Further, RTP outer tubes 3 are polythene material continuous extrusion, play the role of protection inner tube and enhancement layer.
Further, insulating layer 4 is that polyurethane foam is molded or is wrapped on RTP outer tube outer walls with certain predetermined winding angle
Insulation belt, play the role of insulation during conduit running；External protection 5 is to be wrapped in 4 outer surface of insulating layer
The polyethylene protective layer of continuous extrusion, plays a protective role to pipe insulating layer and internal layer.
The utility model has the beneficial effects that：1) heating tape can guarantee pipeline while temperature-constant operation in the utility model
Realize that temperature accurately controls to carrying out real time temperature detection along pipeline and feeding back by temperature-measuring optical fiber；2) when pipeline locally goes out
When existing leakage phenomenon, temperature-measuring optical fiber can perceive local temperature jump, to realize the leakage monitoring function of pipeline.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model one embodiment.
Fig. 2 is the surface chart of Fig. 1.
Fig. 3 is the schematic diagram for keeping the temperature heat tracing control system.
Wherein：1, RTP inner tubes；2, RTP enhancement layers；3, RTP outer tubes；4, insulating layer；5, external protection；6, temperature-measuring optical fiber；
7, ferrule；8, heating tape；9, heating tape casing.
Specific implementation mode
Embodiment 1
A kind of heat tracing RTP tube provided in this embodiment, structure referring to Fig. 1 and Fig. 2, including are set gradually from the inside to the outside
RTP inner tubes 1, RTP enhancement layers 2 and RTP outer tubes 3, RTP inner tubes 1, RTP enhancement layers 2 and RTP outer tubes 3 are combined as standard thermoplastic
Nonmetallic enhancing multilayer composite pipeline is the main carriers of medium conveying, can play and resist pressure medium and ensure flow of media
Purpose.The utility model further includes the insulating layer 4 for being socketed on 3 outer surface of RTP outer tubes, and the outer surface of insulating layer 4 is enclosed with outside
Protective layer 5, includes thermometric heating device in insulating layer 4, and thermometric heating device includes along axially equally distributed one group of pipeline
Temperature-measuring optical fiber and one group of heating tape, temperature-measuring optical fiber include at least temperature-measuring optical fiber internal layer and temperature-measuring optical fiber outer layer, and thermometric internal layer is circle
The continuous temperature sensitive optical fiber 6 of column, temperature sensitive optical fiber outer wall are socketed with temperature-measuring optical fiber outer layer, temperature-measuring optical fiber outer layer be temperature sensitive optical fiber can including
Free-moving ferrule 7.Heating tape includes at least heating tape internal layer and heating tape outer layer, and heating tape internal layer is electrical heating companion
The torrid zone 8, electrical heating heating tape outer wall are socketed with heating tape outer layer, and heating tape outer layer is protection sleeve pipe 9.Heating tape is in conduit running
The constant temperature conveying for ensureing medium in the process, can adjust heat tracing temperature in real time according to the temperature measurement result of temperature-measuring optical fiber at any time.
The material of ferrule is high-density polyethylene material, and casing plays a protective role during optical fiber is embedded to pipeline.Protection
Casing 9 is continuous Steel Casing or is wrapped in the metal coating band of electrical heating heating tape outer wall with certain predetermined winding angle, is risen
To the protective effect to electrical heating heating tape.RTP inner tubes 1 are continuous homogenizing structure, are continuously squeezed using high-density polyethylene material
Go out molding, has the characteristics that wearability, anti-corrosive properties, anti-permeability, transfer efficiency are high.RTP enhancement layers 2 are to be twined with predetermined winding angle
The composite band being wound on RTP outer wall of inner tube is constituted.Composite band includes one group along the axial uniformly distributed pre-tensioned enhancing side by side of inner tube
Polyethylene can be selected in the host material of fiber prepreg tape, reinforcing fiber prepreg tape, and the number of plies and winding angle of composite band can bases
Pipeline pressure medium determines that winding angle is 50 ° ± 5 ° under normal circumstances, and pressure medium is by fibre strength, fiber number
And winding outer diameter is determined by calculating synthesis, between generally 20bar~200bar.The material of reinforcing fiber prepreg tape is virtue
Synthetic fibre fiber, polyester fiber, glass fibre or carbon fiber.RTP outer tubes 3 are polythene material continuous extrusion, are played in protection
The effect of pipe and enhancement layer.Insulating layer 4 is that polyurethane foam is molded or is wrapped on RTP outer tube outer walls with certain predetermined winding angle
Insulation belt, play the role of insulation during conduit running；External protection 5 is to be wrapped in 4 outer surface of insulating layer
The polyethylene protective layer of continuous extrusion, plays a protective role to pipe insulating layer and internal layer.
The operation principle of the utility model is referring to Fig. 3, in actual use, first will heat preservation heating device port and temperature
The degree external mouth of control system is connected, and medium conveying operation is normally carried out in pipe-line transportation system and is led in temperature control system
The processing to optical fiber temperature transmission data is crossed, temperature profile along pipeline is recorded and formed to temperature along pipeline, point
It analyses pipe temperature to be distributed and adjust heating tape heating temperature in time, realizes the constant temperature conveying of medium at a certain temperature.Simultaneously such as
Occur abnormal point, temperature jump or discontinuous point along fruit pipeline in temperature profile, then can determine whether that the zone duct is likely to occur
Leakage phenomenon, and checked in time, purging line problem.
In addition to the implementation, the utility model can also have other embodiment.It is all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, the protection domain of the requires of the utility model is all fallen within.
Claims (10)
1. a kind of heat tracing RTP tube, including the RTP inner tubes (1), RTP enhancement layers (2) and the RTP outer tubes that set gradually from the inside to the outside
(3), it is characterised in that：Further include the insulating layer (4) for being socketed on RTP outer tubes (3) outer surface, the outer surface of the insulating layer (4)
It is enclosed with external protection (5), includes thermometric heating device in the insulating layer (4), the thermometric heating device includes along pipe
Axially equally distributed one group of temperature-measuring optical fiber and one group of heating tape, the temperature-measuring optical fiber include at least temperature-measuring optical fiber internal layer and survey in road
Warm fiber outer layer, the thermometric internal layer are cylindric continuous temperature sensitive optical fiber (6), and the temperature sensitive optical fiber outer wall is socketed with temperature-measuring optical fiber
Outer layer, the temperature-measuring optical fiber outer layer be temperature sensitive optical fiber can inside free-moving ferrule (7).
2. a kind of heat tracing RTP tube according to claim 1, it is characterised in that：The heating tape includes at least in heating tape
Layer and heating tape outer layer, the heating tape internal layer are electrical heating heating tape (8), and the electrical heating heating tape outer wall is socketed with heat tracing
Band outer layer, the heating tape outer layer are protection sleeve pipe (9).
3. a kind of heat tracing RTP tube according to claim 1, it is characterised in that：The material of the ferrule is high density
Polythene material.
4. a kind of heat tracing RTP tube according to claim 2, it is characterised in that：The protection sleeve pipe (9) is continuous steel
Casing or the metal coating band that electrical heating heating tape outer wall is wrapped in certain predetermined winding angle.
5. a kind of heat tracing RTP tube according to claim 1, it is characterised in that：The RTP inner tubes (1) are continuous homogenizing knot
Structure.
6. a kind of heat tracing RTP tube according to claim 1, it is characterised in that：The RTP enhancement layers (2) are to be twined with predetermined
The composite band on RTP outer wall of inner tube is wrapped in around angle to constitute.
7. a kind of heat tracing RTP tube according to claim 6, it is characterised in that：The composite band includes one group along inner tube axis
To pre-tensioned reinforcing fiber prepreg tape uniformly distributed side by side.
8. a kind of heat tracing RTP tube according to claim 7, it is characterised in that：The material of the reinforcing fiber prepreg tape is
Aramid fiber, polyester fiber, glass fibre or carbon fiber.
9. a kind of heat tracing RTP tube according to claim 1, it is characterised in that：The RTP outer tubes (3) are polythene material
Continuous extrusion.
10. a kind of heat tracing RTP tube according to claim 1, it is characterised in that：The insulating layer (4) is polyurethane foam
Molding is wrapped in the insulation belt on RTP outer tube outer walls with certain predetermined winding angle；The external protection (5) is to be wrapped in heat preservation
The polyethylene protective layer of the continuous extrusion of layer (4) outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721828981.4U CN207830745U (en) | 2017-12-25 | 2017-12-25 | A kind of heat tracing RTP tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721828981.4U CN207830745U (en) | 2017-12-25 | 2017-12-25 | A kind of heat tracing RTP tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207830745U true CN207830745U (en) | 2018-09-07 |
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ID=63389204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721828981.4U Active CN207830745U (en) | 2017-12-25 | 2017-12-25 | A kind of heat tracing RTP tube |
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| CN (1) | CN207830745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738960A (en) * | 2021-08-11 | 2021-12-03 | 临海伟星新型建材有限公司 | Intelligent conveying pipeline capable of displaying pipeline blockage position |
-
2017
- 2017-12-25 CN CN201721828981.4U patent/CN207830745U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738960A (en) * | 2021-08-11 | 2021-12-03 | 临海伟星新型建材有限公司 | Intelligent conveying pipeline capable of displaying pipeline blockage position |
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