CN110296765A - A kind of extraordinary non-homogeneous electrical heating elements of total temperature field measurement formula and manufacturing method - Google Patents
A kind of extraordinary non-homogeneous electrical heating elements of total temperature field measurement formula and manufacturing method Download PDFInfo
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- CN110296765A CN110296765A CN201910491978.5A CN201910491978A CN110296765A CN 110296765 A CN110296765 A CN 110296765A CN 201910491978 A CN201910491978 A CN 201910491978A CN 110296765 A CN110296765 A CN 110296765A
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- optical fiber
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- temperature sensor
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- heating tube
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 100
- 238000005259 measurement Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000013307 optical fiber Substances 0.000 claims abstract description 72
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 16
- 239000010949 copper Substances 0.000 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000009826 distribution Methods 0.000 claims abstract description 11
- 239000012212 insulator Substances 0.000 claims description 29
- 239000000835 fiber Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 5
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 239000003758 nuclear fuel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009828 non-uniform distribution Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Radiation Pyrometers (AREA)
Abstract
A kind of extraordinary non-homogeneous electrical heating elements of total temperature field measurement formula, including sequentially connected nickel stick, heating tube, nickel tube and copper pipe, temperature element group is provided in the heating tube, and the temperature element group sequentially passes through the nickel tube and the through-hole, the temperature element group includes that several are axially arranged and in the high-temperature resistant optical fiber temperature sensor and a coaxial high-temperature resistant optical fiber temperature sensor of even circumferential distribution along heating tube, the coaxial high-temperature resistant optical fiber temperature sensor is the shaft core position that the heating tube is arranged in, it mutually insulate between the high-temperature resistant optical fiber temperature sensor and between the high-temperature resistant optical fiber temperature sensor and the coaxial high-temperature resistant optical fiber temperature sensor.The present invention provides a kind of extraordinary non-homogeneous electrical heating elements of total temperature field measurement formula, and measurement accuracy and reliability are higher, and the service life is longer.
Description
[technical field]
The present invention relates to a kind of electrical heating elements, specifically a kind of extraordinary non-homogeneous electric heating of total temperature field measurement formula
Element and manufacturing method.
[background technique]
Fuel assembly field in nuclear industry, fuel assembly for nuclear reactor are one of key components of nuclear reactor, combustion
Material component is to prevent nuclear fuel and fission product from generating the first barrier of leakage.After reactor builds up and puts into operation, core is anti-
It answers in the operating cost of heap, the consumption and replacement of fuel assembly occupy sizable a part, and countries in the world are paid much attention to out
Open up the research and development of Advanced fuel assembly.
Different according to the heating temperature distribution mode of electrical heating elements, extraordinary electrical heating elements include uniform electrical heating elements
With non-homogeneous electrical heating elements.The temperature element for the extraordinary electrical heating elements that current each research institution uses for armoured thermocouple,
Breakdown failure easily occurs in it under forceful electric power magnetic environment, and entire element is caused to be scrapped, thus material lifetime is shorter, the proportion of goods damageds very
Greatly, and armoured thermocouple is relatively large in diameter, and extraordinary electrical heating elements can at most arrange 7, obtains the temperature of 7 measuring points, and 7
A measuring point is difficult unanimously at a distance from fever tube wall, and must maintain a certain distance between fever tube wall, causes measured data
Have partially with truth；In addition, the lower conductive nickel plated copper pipe of extraordinary electric heating part uses " deep hole small―gap suture nickel, copper rod silver brazing "
Technique, technical difficulty is big, yield rate is low, and effective contact area between copper pipe and nickel tube is difficult to cause contact electricity more than 50%
It hinders larger, easily burns.
[summary of the invention]
In order to solve deficiency in the prior art, the present invention provides a kind of extraordinary non-homogeneous electric heating of total temperature field measurement formula
Element and manufacturing method, measurement accuracy and reliability are higher, and the service life is longer.
To achieve the goals above, the present invention use the specific scheme is that
A kind of extraordinary non-homogeneous electrical heating elements of total temperature field measurement formula, including sequentially connected nickel stick, heating tube, nickel tube
And copper pipe, temperature element group is provided in heating tube, and temperature element group sequentially passes through the nickel tube and the copper pipe, feature
Be: temperature element group includes that several are axially arranged and in the high-temperature resistant optical fiber temperature sensing of even circumferential distribution along heating tube
The axle center position of heating tube is arranged in device and a coaxial high-temperature resistant optical fiber temperature sensor, coaxial high-temperature resistant optical fiber temperature sensor
Set, between high-temperature resistant optical fiber temperature sensor and high-temperature resistant optical fiber temperature sensor and coaxial high-temperature resistant optical fiber temperature sensor it
Between mutually insulate.
Preferably, heating tube has super slenderness ratio, and the wall thickness of heating tube is consecutive variations.
Preferably, several insulators being uniformly arranged along axial direction, the fixed setting of temperature element group are provided in heating tube
On insulator.
Preferably, the material of insulator is set as ceramics.
Preferably, along heating tube, axially the quantity of setting and the high-temperature resistant optical fiber temperature sensor in even circumferential distribution can
It is configured 4-32 as needed.
Preferably, axially it is arranged along heating tube and is close to completely in the high-temperature resistant optical fiber temperature sensor of even circumferential distribution
Inside pipe wall arrangement is heated, gap is not stayed.
Preferably, insulator is cylindrical, and the outer wall of insulator and the inner wall of heating tube fit, high-temperature resistant optical fiber temperature
Sensor both passes through the insulator.
Preferably, the material of heating tube is nickel-base alloy or austenitic stainless steel.
Preferably, the probe diameter of high-temperature resistant optical fiber temperature sensor and coaxial high-temperature resistant optical fiber temperature sensor is settable
For 0.2mm~0.4mm, fibre diameter may be configured as 0.1mm~0.2mm.
A kind of manufacturing method of the extraordinary non-homogeneous electrical heating elements of total temperature field measurement formula, includes the following steps:
S1, internal diameter is chosen from 5.4mm to 8.7mm by design requirement consecutive variations, the nickel-base alloy that outer diameter is 9.5mm or Austria
Family name's body stainless steel pipe is as heating tube；
S2, will axially be arranged along heating tube and in the high-temperature resistant optical fiber temperature sensor of even circumferential distribution and coaxial resistance to height
Warm fibre optic temperature sensor is placed in the insulator of segmented according to design requirement；
S3, the ceramics insulator for placing fibre optic temperature sensor is inserted into heating tube；
S4, heating tube is docked completely with nickel stick, and is welded using upset butt welding technology；
S5, heating tube is docked completely with nickel tube；
S6, by adjusting making to completely attach between nickel tube and copper pipe；
S7, S4 is docked completely with two parts of S5.
In the use of the present invention, by single coaxial high-temperature resistant optical fiber temperature sensor to the temperature of heating tube axle center measuring point
It measures, can get heating tube radial direction by being close to the more high-temperature resistant optical fiber temperature sensors that heating inside pipe wall is evenly arranged
The temperature field of arbitrary section circumferential direction；Coaxial high-temperature resistant optical fiber temperature sensor provides high-precision, temperature change responds fast benchmark
Temperature, by being axially arranged along heating tube and in the high-temperature resistant optical fiber temperature sensor and the resistance to height of single coaxial of even circumferential distribution
The sensed data of warm fibre optical sensor combines, and accurate temperature measurement result can be obtained.Also, the present invention uses high temperature resistant
Fibre optic temperature sensor and coaxial high-temperature resistant optical fiber temperature sensor, optical fiber are insulators, and forceful electric power magnetic environment is to its performance without shadow
It rings, compared with existing armoured thermocouple formula electrical heating elements, can effectively avoid occur puncturing under forceful electric power magnetic environment from asking
Topic, measurement accuracy and reliability are higher, and the service life is longer.
[Detailed description of the invention]
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the view in transverse section of heating tube of the present invention；
Fig. 3 is heating tube longitdinal cross-section diagram of the present invention.
Appended drawing reference: 1- nickel stick, 2- heating tube, 3- nickel tube, 4- copper pipe, 5- insulator, 6- temperature element group, 7- high temperature resistant
Fibre optic temperature sensor, the coaxial high-temperature resistant optical fiber temperature sensor of 8-
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the use of the present invention, according to production needs, can be made uniform non-homogeneous two kinds of electrical heating elements,
Accordingly, it is only necessary to change along the axial setting of heating tube 2 and in the high-temperature resistant optical fiber temperature sensor 7 of even circumferential distribution and together
The axis of heating tube 2 is arranged in the distribution mode of axis high-temperature resistant optical fiber temperature sensor 8, coaxial high-temperature resistant optical fiber temperature sensor 8
Heart position, high-temperature resistant optical fiber temperature sensor 7 and coaxial high-temperature resistant optical fiber temperature sensor 8 are substantially same fiber optic temperatures
Sensor, but in the present invention because there are the differences of position.
In the present embodiment, it is a kind of non-homogeneous electrical heating elements, please refers to Fig. 1 and 2, Fig. 1 is whole knot of the invention
Structure schematic diagram, Fig. 2 are the view in transverse section of temperature element of the present invention, and Fig. 3 is heating tube longitdinal cross-section diagram of the present invention.
A kind of extraordinary non-homogeneous electrical heating elements of total temperature field measurement formula, including sequentially connected nickel stick 1, heating tube 2, nickel
Pipe 3 and copper pipe 4 are provided with temperature element group 6 in heating tube 2, and temperature element group 6 sequentially passes through nickel tube 3 and copper pipe 4, thermometric
Element group 6 includes several along the axial setting of heating tube 2 and in the high-temperature resistant optical fiber temperature sensor 7 and one of even circumferential distribution
A coaxial high-temperature resistant optical fiber temperature sensor 8, more precisely, coaxial high-temperature resistant optical fiber temperature sensor 8 are that setting is being heated
The shaft core position of pipe 2 mutually insulate between high-temperature resistant optical fiber temperature sensor 7, high-temperature resistant optical fiber temperature sensor 7 with it is coaxial
Mutually insulated between high-temperature resistant optical fiber temperature sensor 8.
Further, the outer diameter of the diameter of nickel stick 1, the outer diameter of heating tube 2 and nickel tube 3 is equal, and respectively less than copper pipe 4 is outer
Diameter.So that the outer dimension of electrical heating elements is identical as nuclear fuel rod, the accuracy of experimental result is improved.
In the use of the present invention, high-temperature resistant optical fiber temperature sensor 7 feels the temperature in the multiple orientation of 2 inner wall of heating tube
It answers, coaxial high-temperature resistant optical fiber temperature sensor 8 provides high-precision, temperature change responds fast fiducial temperature, passes through high temperature resistant light
The sensed data of fine temperature sensor 7 and the sensed data of coaxial high-temperature resistant optical fiber temperature sensor 8 combine, and standard can be obtained
True heating result.Also, the present invention uses high-temperature resistant optical fiber temperature sensor 7 and coaxial high-temperature resistant optical fiber temperature sensor 8,
Optical fiber is insulator, forceful electric power magnetic environment on its performance without influence, it is particularly suitable in the environment of with strong-electromagnetic field, such as nuclear power
Environment can effectively avoid occurring puncturing under forceful electric power magnetic environment compared with existing armoured thermocouple formula electrical heating elements
Problem, measurement accuracy, reliability and the service life is longer.
Further, insulator 5 is evenly arranged in heating tube 2, temperature element group 6 is fixed on insulator 5.Absolutely
Edge body 5 can guarantee between high-temperature resistant optical fiber temperature sensor 7 and high-temperature resistant optical fiber temperature sensor 7 and coaxial high-temperature resistant optical fiber
Insulation performance between temperature sensor 8, and can be to high-temperature resistant optical fiber temperature sensor 7 and coaxial high-temperature resistant optical fiber temperature
Sensor 8 is reinforced.The material of insulator 5 is set as ceramics in the present embodiment, in other embodiments, can also replace
For other materials with similar performance.
In addition, in the present embodiment, high-temperature resistant optical fiber temperature sensor 7 is set as eight, be respectively arranged at 0 °, 45 °,
90 °, 135 °, 180 °, 225 °, 270 °, 315 ° of orientation be evenly arranged on the inner wall of heating tube 2, it is circumferential that 2 inner wall of heating tube can be directly obtained
The actual temperature in eight orientation.In other embodiments, 4 to 32 high-temperature resistant optical fibers can be set according to temperature sensing demand
Temperature sensor 7, or even can be circumferentially arranged by the way of non-uniform Distribution according to the design of 2 inner wall of heating tube.
Further, due to using fibre optic temperature sensor 7 resistant to high temperature, in the state of preferable in setting
High-temperature resistant optical fiber temperature sensor 7 can be tightly attached to 2 inner wall of heating tube arrangement completely, or can be arranged apart from heating tube
Temperature of position of 2 inner walls less than 0.2mm so as to more accurately acquisition 2 inner wall of heating tube, high-temperature resistant optical fiber temperature sensor 7
Because optical fiber itself is insulator, its performance will not be had an impact in forceful electric power magnetic environment to can guarantee that high-temperature resistant optical fiber temperature passes
Sensor 7 can work normally under forceful electric power magnetic environment.
Further, the periphery of insulator 5 and the inner wall of heating tube 2 fit, high-temperature resistant optical fiber temperature sensor 7 and same
Axis high-temperature resistant optical fiber temperature sensor 8 is arranged in insulator 5.Correspondingly, offering eight and high temperature resistant light on insulator 5
The one-to-one first through hole of fine temperature sensor 7 and a coaxial high-temperature resistant optical fiber temperature sensor 8 corresponding second are logical
Hole, first through hole and the second through-hole are along the axially extending of insulator 5.
Further, the material of heating tube 2 is nickel-base alloy or austenitic stainless steel；The outer diameter of heating tube 2 is 9.5mm,
Length is usually between 1.5m~5.0m；2 inner wall of heating tube is in consecutive variations, the symbol of 2 inner wall of heating tube variation in the present embodiment
Truncation cosine curve is closed, therefore consecutive variations are presented in the wall thickness of heating tube 2, and specific non-uniform heating effect may be implemented,
In other embodiments, the inner wall shape curve of heating tube 2 can be also configured according to demand.
In the present embodiment, high-temperature resistant optical fiber temperature sensor 7 and coaxial 8 probe diameter of high-temperature resistant optical fiber temperature sensor
It can be 0.2mm~0.4mm, fibre diameter may be configured as 0.1mm~0.2mm.By the smaller size of fibre optic temperature sensor, originally
Invention can more easily carry out the general layout of temperature measuring point, in other words, since fibre optic temperature sensor size is smaller,
In the limited space of 2 inner wall of heating tube, it can arrange more fibre optic temperature sensors, imply that and can get more Temperature Quantities
Measuring point obtains richer measuring temp data.
Assemble method of the invention is as follows.
S1, selection internal diameter are Ni-based for the super slenderness ratio of 9.5mm by design requirement consecutive variations, outer diameter from 5.4mm to 8.7mm
Alloy or Austenitic stainless steel pipe material are as heating tube 2.
S2, high-temperature resistant optical fiber temperature sensor 7 and coaxial high-temperature resistant optical fiber temperature sensor 8 are placed according to design requirement
In in the insulator 5 of segmented.
S3, the ceramics insulator 5 for placing fibre optic temperature sensor is inserted into heating tube 2.
S4, heating tube 2 is docked completely with nickel stick 1, and is welded using upset butt welding technology.
S5, heating tube 2 is docked completely with nickel tube 3.
S6, by adjusting making to completely attach between nickel tube 3 and copper pipe 4.
S7, S4 is docked completely with two parts of S5.
In above-mentioned assemble method, the changeover portion of heating tube 2 and copper pipe 4 has been all made of the continuous balanced specially-shaped work squeezed
Skill, the reliability for simplifying manufacturing process flow, improving product.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of extraordinary non-homogeneous electrical heating elements of total temperature field measurement formula, including sequentially connected nickel stick (1), heating tube (2),
Nickel tube (3) and copper pipe (4), the heating tube (2) is interior to be provided with temperature element group (6), and the temperature element group (6) is successively worn
Cross the nickel tube (3) and the copper pipe (4), it is characterised in that: the temperature element group (6) includes several along heating tube (2)
It is axial to be arranged and in the high-temperature resistant optical fiber temperature sensor (7) and a coaxial high-temperature resistant optical fiber temperature sensing of even circumferential distribution
Device (8), between the high-temperature resistant optical fiber temperature sensor (7) and the high-temperature resistant optical fiber temperature sensor (7) with it is described coaxial
High-temperature resistant optical fiber temperature sensor mutually insulate between (8).
2. the extraordinary non-homogeneous electrical heating elements of a kind of total temperature field measurement formula as described in claim 1, it is characterised in that: described
Heating tube (2) has super slenderness ratio, and the wall thickness of the heating tube (2) is consecutive variations.
3. the extraordinary non-homogeneous electrical heating elements of a kind of total temperature field measurement formula as claimed in claim 2, it is characterised in that: described
Several insulators (5) being uniformly arranged along axial direction are provided in heating tube (2), the temperature element group (6) is fixed at
On the insulator (5).
4. the extraordinary non-homogeneous electrical heating elements of a kind of total temperature field measurement formula as claimed in claim 3, it is characterised in that: described
The material of insulator (5) is set as ceramics.
5. the extraordinary non-homogeneous electrical heating elements of a kind of total temperature field measurement formula as claimed in claim 3, it is characterised in that: described
The quantity of high-temperature resistant optical fiber temperature sensor (7) can be configured 4-32 as needed.
6. the extraordinary non-homogeneous electrical heating elements of a kind of total temperature field measurement formula as claimed in claim 5, it is characterised in that: described
High-temperature resistant optical fiber temperature sensor (7) is close to the heating tube (2) inner wall arrangement completely, does not stay gap.
7. the extraordinary non-homogeneous electrical heating elements of a kind of total temperature field measurement formula as claimed in claim 4, it is characterised in that: described
Insulator (5) is cylindrical, and the outer wall of the insulator (5) and the inner wall of the heating tube (2) fit, the high temperature resistant light
Fine temperature sensor (7) and the coaxial high-temperature resistant optical fiber temperature sensor (8) both pass through the insulator (5).
8. the extraordinary non-homogeneous electrical heating elements of a kind of total temperature field measurement formula as described in claim 1, it is characterised in that: described
The material of heating tube (2) is nickel-base alloy or austenitic stainless steel.
9. the extraordinary non-homogeneous electrical heating elements of a kind of total temperature field measurement formula as described in claim 1, it is characterised in that: described
High-temperature resistant optical fiber temperature sensor (7) and the probe diameter of the coaxial high-temperature resistant optical fiber temperature sensor (8) may be configured as
0.2mm~0.4mm, fibre diameter may be configured as 0.1mm~0.2mm.
10. being applied to the non-homogeneous electrical heating elements of a kind of total temperature field measurement formula special type described in claim 1~9 Arbitrary Term
Manufacturing method, characterized by the following steps:
S1, selection internal diameter consecutive variations, nickel-base alloy or Austenitic stainless steel pipe material that outer diameter is 9.5mm from 5.4mm to 8.7mm
As heating tube (2)；
S2, high-temperature resistant optical fiber temperature sensor (7) and coaxial high-temperature resistant optical fiber temperature sensor (8) are placed according to design requirement
In in the insulator (5) of segmented；
S3, the ceramics insulator (5) for placing fibre optic temperature sensor is inserted into heating tube (2)；
S4, heating tube (2) is docked completely with nickel stick (1)；
S5, heating tube (2) is docked completely with nickel tube (3)；
S6, by adjusting making to completely attach between nickel tube (3) and copper pipe (4)；
S7, S4 is docked completely with two parts of S5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910491978.5A CN110296765A (en) | 2019-06-06 | 2019-06-06 | A kind of extraordinary non-homogeneous electrical heating elements of total temperature field measurement formula and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910491978.5A CN110296765A (en) | 2019-06-06 | 2019-06-06 | A kind of extraordinary non-homogeneous electrical heating elements of total temperature field measurement formula and manufacturing method |
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| Publication Number | Publication Date |
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| CN110296765A true CN110296765A (en) | 2019-10-01 |
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ID=68027633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910491978.5A Pending CN110296765A (en) | 2019-06-06 | 2019-06-06 | A kind of extraordinary non-homogeneous electrical heating elements of total temperature field measurement formula and manufacturing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111194107A (en) * | 2020-03-17 | 2020-05-22 | 中国核动力研究设计院 | High-power electric heating rod using optical fiber for temperature measurement at high temperature and high pressure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793806A (en) * | 2004-12-22 | 2006-06-28 | 日立电线株式会社 | Optical fiber temperature sensor, temperature measor chip and temperature measuring method |
| US20090092173A1 (en) * | 2007-09-07 | 2009-04-09 | Ulrich Glombitza | Method for monitoring the state of a tube for a coating in a system of pipes or ducts |
| CN104517656A (en) * | 2013-09-30 | 2015-04-15 | 中国核动力研究设计院 | Long and thin non-uniform heating element and processing method thereof |
| CN105007641A (en) * | 2015-07-29 | 2015-10-28 | 中科华核电技术研究院有限公司 | Heating rod used for critical heat flux density test |
| CN210268948U (en) * | 2019-06-06 | 2020-04-07 | 深圳市合众清洁能源研究院 | Full-temperature-field measurement type special non-uniform electric heating element |
-
2019
- 2019-06-06 CN CN201910491978.5A patent/CN110296765A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793806A (en) * | 2004-12-22 | 2006-06-28 | 日立电线株式会社 | Optical fiber temperature sensor, temperature measor chip and temperature measuring method |
| US20090092173A1 (en) * | 2007-09-07 | 2009-04-09 | Ulrich Glombitza | Method for monitoring the state of a tube for a coating in a system of pipes or ducts |
| CN104517656A (en) * | 2013-09-30 | 2015-04-15 | 中国核动力研究设计院 | Long and thin non-uniform heating element and processing method thereof |
| CN105007641A (en) * | 2015-07-29 | 2015-10-28 | 中科华核电技术研究院有限公司 | Heating rod used for critical heat flux density test |
| CN210268948U (en) * | 2019-06-06 | 2020-04-07 | 深圳市合众清洁能源研究院 | Full-temperature-field measurement type special non-uniform electric heating element |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111194107A (en) * | 2020-03-17 | 2020-05-22 | 中国核动力研究设计院 | High-power electric heating rod using optical fiber for temperature measurement at high temperature and high pressure |
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