CN203748033U - Heat tracing cable - Google Patents
Heat tracing cable Download PDFInfo
- Publication number
- CN203748033U CN203748033U CN201320882520.0U CN201320882520U CN203748033U CN 203748033 U CN203748033 U CN 203748033U CN 201320882520 U CN201320882520 U CN 201320882520U CN 203748033 U CN203748033 U CN 203748033U
- Authority
- CN
- China
- Prior art keywords
- cable
- heating
- joint
- heat
- accompanying heat
- 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 - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 69
- 239000004020 conductor Substances 0.000 claims abstract description 23
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- 239000011810 insulating material Substances 0.000 claims description 11
- 239000000565 sealant Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 8
- 239000012774 insulation material Substances 0.000 abstract 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract 2
- 238000007789 sealing Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 239000004327 boric acid Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Sealing Material Composition (AREA)
Abstract
The utility model relates to a heat tracing cable which comprises a heating cable, heat emitting conductors, insulation material, a protection pipe, a cold-end joint, a non-heating section, a cable joint, a sealing layer, a flame-retardant wire and a grounding wire. The heating cable is internally provided with more than one heat emitting conductor. The insulation material is filled between the heating cable and the heat emitting conductors. The protection pipe is arranged outside one end of the heating cable. The other end of the heating cable is connected with the cold-end joint and the non-heating section. The non-heating section is connected with the cable joint. The sealing layer is arranged on the cable joint. The cable joint is connected with the flame-retardant wire and the grounding wire. According to the heat tracing cable of the utility model, a plurality of heat emitting conductors are additionally arranged in the heating cable and the insulation material is filled, when the fluid medium in the pipe needs to be heated, the heat tracing cable is energized to make a heating body emit heat so as to enable heat to be generated in the pipe, the fluid medium in the pipe is ensured to be kept within a safe temperature range, and the safety of nuclear power plants is ensured.
Description
Technical field
The utility model relates to a kind of accompanying heat cable, relates in particular to a kind of electric heating accompanying heat cable for nuclear power station special process pipeline.
Background technology
The design of nuclear power station boric acid pipeline, sodium solution pipeline, chilled water, gauge pipe and other special process pipeline tracing power and companion's thermoelectricity heating cable equipment, it is the key of those special process pipeline tracing systems technologies, by the correct design of companion's thermal power and companion's thermoelectricity heating cable equipment are successfully developed, can guarantee in pipeline that solution is all the time under good environment, maintain the circulation of fluid, prevent the crystallization of boric acid, sodium solution and other fluid media (medium) or freeze, making pipeline inner fluid medium when preventing nuclear power station generation serious accident, play the effect of extremely important key.
Building in nuclear power station boric acid pipeline, sodium solution pipeline, chilled water, gauge pipe and other special process pipe of current domestic operation, does not have a kind of accompanying heat cable that metastable companion's heat can be provided, and has enough safety guarantee in the time of cannot guaranteeing nuclear power station generation major accident.
Utility model content
The utility model object is that a kind of temperature that can maintain solution in pipeline is provided in order to overcome the deficiencies in the prior art, guarantees the accompanying heat cable of nuclear power station security of operation.
For achieving the above object, the technical solution adopted in the utility model is: a kind of accompanying heat cable, comprises heating cable, heating conductor, insulating material, protection tube, cold junction joint, the not section of heating, cable joint, sealant, fire-retardant wire and earth connection; In described heating cable, be provided with more than one heating conductor; Between described heating cable and heating conductor, be filled with insulating material; Described heating cable is provided with protection tube outside one end; The described heating cable other end is connected with cold junction joint and the section of heating not; The described not section of heating is connected with cable joint; Described cable joint is provided with sealant; On described cable joint, be also connected with fire-retardant wire and earth connection.
Preferably, the material of described protection tube is stainless steel.
Preferably, the material of described heating conductor is nickel
40copper
60alloy.
Preferably, described heating cable is armored heating cable.
Preferably, the quantity of described heating conductor is one or two.
Preferably, described insulating material is magnesium oxide.
Preferably, described sealant is epoxy resin.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
A kind of accompanying heat cable of the utility model scheme, in heating cable, set up heating conductor, and completed by filling insulating material, like this when needs heat pipeline, accompanying heat cable energising, heater heating, makes generation heat in pipeline, guaranteed that the fluid media (medium) in pipeline maintains in safe temperature range, guaranteed safe handling and the operation of nuclear power station.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
The structural representation that accompanying drawing 1 is accompanying heat cable of the present utility model;
Accompanying drawing 2 is the part sectioned view of A in accompanying drawing 1;
Wherein: 1, heating cable; 2, heating conductor; 3, insulating material; 4, protection tube; 5, cold junction joint; 6, the section of heating not; 7, cable joint; 8, sealant; 9, fire-retardant wire; 10, earth connection.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Described in the utility model a kind of accompanying heat cable as shown in accompanying drawing 1-2, comprises heating cable 1, heating conductor 2, insulating material 3, protection tube 4, cold junction joint 5, the not section of heating 6, cable joint 7, sealant 8, fire-retardant wire 9 and earth connection 10; In described heating cable 1, be provided with more than one heating conductor 2; Between described heating cable 1 and heating conductor 2, be filled with insulating material 3; Described heating cable is provided with protection tube 4 outside 1 one end; Described heating cable 1 other end is connected with cold junction joint 5; On described cold junction joint 5, be connected with the section 6 of not generating heat; The described not section of heating 6 is connected with cable joint 7; Described cable joint 7 is provided with sealant 8; On described cable joint 7, be also connected with fire-retardant wire 9 and earth connection 10; The material of described protection tube 4 is stainless steel; The material of described heating conductor 2 is nickel
40copper
60alloy; Described heating cable 1 is armored heating cable; The quantity of described heating conductor 2 is two; Described insulating material 3 is magnesium oxide; Described sealant 8 is epoxy resin.
Accompanying heat cable described in the utility model, described accompanying heat cable is to produce according to accompanying heat cable power designs.
Accompanying heat cable described in the utility model, before bringing into use, earth connection is connected with ground wire, cable joint is provided with fire-retardant wire, make heating cable run into high temperature nonflammable, coefficient of safety is high, when accompanying heat cable is switched on, heating conductor energising produces heat, provide heat to the process pipe in nuclear power station, the temperature that has guaranteed like this fluid media (medium) in pipeline maintains in safe scope, guaranteed the safe operation of nuclear power station, heating cable one end is connected with cold junction joint, make the temperature of heating cable by after cold junction joint, its temperature declines, then be connected to the not section of heating, can be convenient for people to accompanying heat cable to carry out operation and installation, the section of heating is not connected with cable joint inside conductor.
Above-mentioned accompanying heat cable, cable joint adopts epoxy resin to seal.
Above-mentioned accompanying heat cable, the material of protection tube is stainless steel, has guaranteed that the safety of accompanying heat cable heating is carried out.
Accompanying heat cable of the present utility model, it is simple to operation, has well guaranteed the temperature of body inner fluid medium, has guaranteed the normal operation of nuclear power station.
Below be only concrete exemplary applications of the present utility model, protection range of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, within all dropping on the utility model rights protection scope.
Claims (7)
1. an accompanying heat cable, is characterized in that: comprise heating cable, heating conductor, insulating material, protection tube, cold junction joint, the not section of heating, cable joint, sealant, fire-retardant wire and earth connection; In described heating cable, be provided with more than one heating conductor; Between described heating cable and heating conductor, be filled with insulating material; Described heating cable is provided with protection tube outside one end; The described heating cable other end is connected with cold junction joint and the section of heating not; The described not section of heating is connected with cable joint; Described cable joint is provided with sealant; On described cable joint, be also connected with fire-retardant wire and earth connection.
2. accompanying heat cable according to claim 1, is characterized in that: the material of described protection tube is stainless steel.
3. accompanying heat cable according to claim 2, is characterized in that: the material of described heating conductor is nickel
40copper
60alloy.
4. accompanying heat cable according to claim 3, is characterized in that: described heating cable is armored heating cable.
5. accompanying heat cable according to claim 3, is characterized in that: the quantity of described heating conductor is one or two.
6. according to the accompanying heat cable described in claim 4 or 5, it is characterized in that: described insulating material is magnesium oxide.
7. accompanying heat cable according to claim 6, is characterized in that: described sealant is epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882520.0U CN203748033U (en) | 2013-12-30 | 2013-12-30 | Heat tracing cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320882520.0U CN203748033U (en) | 2013-12-30 | 2013-12-30 | Heat tracing cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203748033U true CN203748033U (en) | 2014-07-30 |
Family
ID=51347780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320882520.0U Expired - Lifetime CN203748033U (en) | 2013-12-30 | 2013-12-30 | Heat tracing cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203748033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103687110A (en) * | 2013-12-30 | 2014-03-26 | 苏州市东仪自控设备有限公司 | Heat tracing cable |
-
2013
- 2013-12-30 CN CN201320882520.0U patent/CN203748033U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103687110A (en) * | 2013-12-30 | 2014-03-26 | 苏州市东仪自控设备有限公司 | Heat tracing cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Wuzhong District Mudu town of Suzhou city in Jiangsu province 215101 Golden Bridge Industrial Park in the Southern District (Wood Road) Patentee after: SUZHOU EAST INSTRUMENT ELECTRIC TECHNOLOGY Co.,Ltd. Address before: Suzhou City, Jiangsu province 215101 Suzhou Mudu Bridge Industrial Park Wood Road No. 309 Suzhou East Instrument Automation Equipment Co Ltd Patentee before: SUZHOU EAST-INSTRUMENT AUTOMATIC CONTROL EQUIPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |