CN110496911A - A kind of transition structure special process method applied to extraordinary heating element - Google Patents
A kind of transition structure special process method applied to extraordinary heating element Download PDFInfo
- Publication number
- CN110496911A CN110496911A CN201910590133.1A CN201910590133A CN110496911A CN 110496911 A CN110496911 A CN 110496911A CN 201910590133 A CN201910590133 A CN 201910590133A CN 110496911 A CN110496911 A CN 110496911A
- Authority
- CN
- China
- Prior art keywords
- transition
- copper pipe
- nickel tube
- heating element
- method applied
- 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.)
- Granted
Links
- 230000007704 transition Effects 0.000 title claims abstract description 138
- 238000000034 method Methods 0.000 title claims abstract description 77
- 238000010438 heat treatment Methods 0.000 title claims abstract description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 112
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 56
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052802 copper Inorganic materials 0.000 claims abstract description 55
- 239000010949 copper Substances 0.000 claims abstract description 55
- 238000012360 testing method Methods 0.000 claims abstract description 22
- 238000007689 inspection Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 238000013461 design Methods 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000005242 forging Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 238000005219 brazing Methods 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 230000004907 flux Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Heating (AREA)
Abstract
A kind of transition structure special process method applied to extraordinary heating element, transition structure includes transition copper pipe and transition nickel tube, and one end of transition copper pipe extend into the inside of one end of transition nickel tube, method includes the following steps: S1, design and processes transition copper pipe and transition nickel tube；S2, cleaning and inspection transition copper pipe and transition nickel tube, and debug process equipment；S3, test processing is carried out to transition copper pipe and transition nickel tube using process equipment, obtains test finished product；S4, test finished product is verified, S5 is executed if being verified, otherwise returns to S1；S5, transition copper pipe and transition nickel tube are formally processed using process equipment, obtains transition structure.The present invention provides a kind of transition structure special process method applied to extraordinary heating element, and the transition structure stable connection processed, precision is high, function admirable.
Description
Technical field
The present invention relates to metalwork processing technique field, specifically a kind of transition knot applied to extraordinary heating element
Structure special process method.
Background technique
In fuel assembly thermal-hydraulic experiment, critical heat flux density tests the requirement highest to heating element, heating unit
Part needs to adapt to thermal environment identical with prototype core, and outer dimension is identical as nuclear fuel rod, and surface heat flux is higher.
The transition structure of the heating element by current transmission to fever section heat, it is desirable that changeover portion have low resistance and
The characteristics of highly reliable connection.Currently, the heating element transition structure, using silver brazing fixed nickel, copper rod, silver brazing not can guarantee
Two kinds of metals completely attach to, and cause changeover portion local electrical resistance to increase, have the risk of scaling loss, heating element is caused to be scrapped；And silver-colored pricker
It is welded with a possibility that falling off, causes Joint failure.And technical solution of the present invention uses continuous balanced extrusion process, instead of silver-colored pricker
The connection method of weldering greatly reduces contact resistance, and simplifies technique.
Summary of the invention
In order to solve deficiency in the prior art, it is special that the present invention provides a kind of transition structure applied to extraordinary heating element
Kind processing method, the transition structure stable connection processed, precision is high, function admirable.
To achieve the goals above, the present invention use the specific scheme is that achieve the goals above, what the present invention used
The specific scheme is that a kind of transition structure special process method applied to extraordinary heating element, the transition structure includes transition
Copper pipe and transition nickel tube, and one end of the transition copper pipe extend into the inside of one end of the transition nickel tube, the method packet
Include following steps:
S1, design and process the transition copper pipe and the transition nickel tube；
S2, cleaning and the inspection transition copper pipe and the transition nickel tube, and debug process equipment；
S3, test processing is carried out to the transition copper pipe and the transition nickel tube using the process equipment, is tested
Finished product；
S4, the test finished product is verified, S5 is executed if being verified, otherwise returns to S1；
S5, the transition copper pipe and the transition nickel tube are formally processed using the process equipment, is obtained described
Transition structure.
Preferably, in S2, the transition copper pipe and the transition nickel tube is cleared up and dries up or air-dries using compressed air, inspection
The outer diameter of the transition copper pipe and the internal diameter of the transition copper pipe, inspection institute are measured when testing the transition copper pipe using measuring tool
The outer diameter of the transition nickel tube and the internal diameter of the transition nickel tube are measured when stating transition nickel tube using measuring tool.
Preferably, it in S4, when being verified to the test finished product, is surveyed when verifying the transition copper pipe using measuring tool
Measure the interior of the outer diameter of the transition copper pipe, the internal diameter of the transition copper pipe, the outer diameter of the transition nickel tube and the transition nickel tube
Diameter.
Preferably, in S2, process equipment idle running 2-3 minutes is made when debugging the process equipment.
Preferably, it tests formally to process in processing and S5 in S3 and is all made of continuous equilibrium extrusion process.
Preferably, the continuous balanced extrusion process is the forging of middle hovering.
Preferably, the method also includes:
The size and resistance value of S6, the detection transition structure.
The present invention uses compared with original silver brazing technique, makes transition nickel tube deformation by external force, and then make transition nickel
Pipe is completely attached to transition copper pipe, is improved contact area, be ensure that low resistance and high conductivity, eliminates transition structure scaling loss
A possibility that.Also, the present invention passes through cleaning to transition copper pipe and transition nickel tube and inspection, to the debugging of process equipment and
Verifying to test finished product, can fully ensure that machining accuracy.
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 the schematic diagram of transition structure.
Appended drawing reference: 1- transition copper pipe, 2- transition nickel tube.
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.
Referring to Fig. 1, a kind of transition structure special process method applied to extraordinary heating element, transition structure included
Cross copper pipe 1 and transition nickel tube 3, and one end of transition copper pipe 1 extend into the inside of one end of transition nickel tube 3, method include S1 extremely
S5。
S1, design and transition copper pipe 1 and transition nickel tube 3 are processed, 1 excircle dimension φ 9mm of transition copper pipe, transition nickel tube 3
Hole size φ 9mm, design has appropriate fit clearance, 3 outer diameter of transition nickel tube between transition copper pipe 1 and transition nickel tube 3
φ 11.5mm, the outer diameter value of transition nickel tube 3 is φ 11mm after extruding.
S2, cleaning and inspection transition copper pipe 1 and transition nickel tube 3, and debug process equipment.
S3, test processing is carried out to transition copper pipe 1 and transition nickel tube 3 using process equipment, obtains test finished product.
S4, test finished product is verified, S5 is executed if being verified, otherwise returns to S1.
S5, transition copper pipe 1 and transition nickel tube 3 are formally processed using process equipment, respectively 0 °, 45 °, 90 °,
135 ° squeeze four times (ensuring that transition copper pipe 1 and transition nickel tube 3 completely attach to), and transition copper pipe 1 and 3 outer diameter of transition nickel tube are squeezed
To design size φ 11mm, transition structure is obtained.
The present invention uses compared with original silver brazing technique, makes 3 deformation of transition nickel tube by external force, and then make transition nickel
Pipe 3 and transition copper pipe 1 completely attach to, and improve contact area, ensure that low resistance and high conductivity, eliminate transition structure burning
A possibility that damage.Also, the present invention passes through to transition copper pipe 1 with the cleaning and inspection of transition nickel tube 3, to the debugging of process equipment
And the verifying to test finished product, it can fully ensure that machining accuracy.
Further, in S2, transition copper pipe 1 and transition nickel tube 3 is cleared up and dries up or air-dries using compressed air, was examined
Using the outer diameter of measuring tool measurement transition copper pipe 1 and the internal diameter of transition copper pipe 1 when crossing copper pipe 1, utilized when examining transition nickel tube 3
Measuring tool measures the outer diameter of transition nickel tube 3 and the internal diameter of transition nickel tube 3.It is authenticated when being verified to test finished product in S4
The measuring tool measurement outer diameter of transition copper pipe 1, the internal diameter of transition copper pipe 1, the outer diameter of transition nickel tube 3 and mistake are utilized when crossing copper pipe 1
Cross the internal diameter of nickel tube 3.Used measuring tool can be inside diameter caliper, indicating snap gauge and vernier caliper.
Further, in S2, make process equipment idle running 2-3 minutes when debugging process equipment.It, can by idle running
To ensure that each lubrication portion of process equipment can be evenly distributed with lubricant, guarantee the normal operation of process equipment, and improve and add
Work precision.
Further, it tests formally to process in processing and S5 in S3 and is all made of continuous equilibrium extrusion process.In the present embodiment
In, continuous balanced extrusion process is the forging of middle hovering, can also be using other with identical in other embodiments of the invention
The technique of function.
Further, method further includes S6.
S6, the size and resistance value for detecting transition structure.The electric property of transition structure can be verified by S6,
To guarantee the performance of final extraordinary heating element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
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 (7)
1. a kind of transition structure special process method applied to extraordinary heating element, the transition structure includes transition copper pipe
(1) and transition nickel tube (3), and one end of the transition copper pipe (1) extend into the inside of one end of the transition nickel tube (3),
Be characterized in that: described method includes following steps:
S1, design and process the transition copper pipe (1) and the transition nickel tube (3)；
S2, cleaning and the inspection transition copper pipe (1) and the transition nickel tube (3), and debug process equipment；
S3, test processing is carried out to the transition copper pipe (1) and the transition nickel tube (3) using the process equipment, is tried
Test finished product；
S4, the test finished product is verified, S5 is executed if being verified, otherwise returns to S1；
S5, the transition copper pipe (1) and the transition nickel tube (3) are formally processed using the process equipment, obtains institute
State transition structure.
2. a kind of transition structure special process method applied to extraordinary heating element as described in claim 1, feature exist
In: in S2, clears up the transition copper pipe (1) and the transition nickel tube (3) and dry up or air-dry using compressed air, described in inspection
Transition copper pipe (1) Shi Liyong measuring tool measures the outer diameter of the transition copper pipe (1) and the internal diameter of the transition copper pipe (1), inspection
Test transition nickel tube (3) the Shi Liyong measuring tool measure the transition nickel tube (3) outer diameter and the transition nickel tube (3) it is interior
Diameter.
3. a kind of transition structure special process method applied to extraordinary heating element as claimed in claim 2, feature exist
In: in S4, when being verified to the test finished product, verifies transition copper pipe (1) the Shi Liyong measuring tool and measure the mistake
Cross the outer diameter of copper pipe (1), the internal diameter of the transition copper pipe (1), the outer diameter of the transition nickel tube (3) and the transition nickel tube (3)
Internal diameter.
4. a kind of transition structure special process method applied to extraordinary heating element as described in claim 1, feature exist
In: in S2, process equipment idle running 2-3 minutes is made when debugging the process equipment.
5. a kind of transition structure special process method applied to extraordinary heating element as described in claim 1, feature exist
In: test formally to process being all made of continuous equilibrium extrusion process in S3 in processing and S5.
6. a kind of transition structure special process method applied to extraordinary heating element as claimed in claim 5, feature exist
In: the continuous balanced extrusion process is the forging of middle hovering.
7. a kind of transition structure special process method applied to extraordinary heating element as described in claim 1, feature exist
In: the method also includes:
The size and resistance value of S6, the detection transition structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910590133.1A CN110496911B (en) | 2019-07-02 | 2019-07-02 | Special machining method for transition structure applied to special electric heating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910590133.1A CN110496911B (en) | 2019-07-02 | 2019-07-02 | Special machining method for transition structure applied to special electric heating element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110496911A true CN110496911A (en) | 2019-11-26 |
| CN110496911B CN110496911B (en) | 2021-08-10 |
Family
ID=68585837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910590133.1A Expired - Fee Related CN110496911B (en) | 2019-07-02 | 2019-07-02 | Special machining method for transition structure applied to special electric heating element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110496911B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201791842U (en) * | 2010-06-25 | 2011-04-13 | 浙江毅力汽车空调有限公司 | Pipeline joint crimping tool |
| CN104438896A (en) * | 2014-09-30 | 2015-03-25 | 西安创新精密仪器研究所 | Technology for connecting same or different metal material pipes in rotary forging mode |
| JP2016165736A (en) * | 2015-03-09 | 2016-09-15 | 日新製鋼株式会社 | Joint pipe body and manufacturing method for the same |
| CN207402004U (en) * | 2017-08-21 | 2018-05-25 | 海隆管道工程技术服务有限公司 | A kind of lined composite steel tube socket joint welding system |
| JP2019005807A (en) * | 2017-06-27 | 2019-01-17 | 株式会社神戸製鋼所 | Member joining method and joint body |
| CN109226542A (en) * | 2018-11-19 | 2019-01-18 | 江阴市液压油管有限公司 | A kind of hydraulic oil pipe tube expanding joint component |
-
2019
- 2019-07-02 CN CN201910590133.1A patent/CN110496911B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201791842U (en) * | 2010-06-25 | 2011-04-13 | 浙江毅力汽车空调有限公司 | Pipeline joint crimping tool |
| CN104438896A (en) * | 2014-09-30 | 2015-03-25 | 西安创新精密仪器研究所 | Technology for connecting same or different metal material pipes in rotary forging mode |
| JP2016165736A (en) * | 2015-03-09 | 2016-09-15 | 日新製鋼株式会社 | Joint pipe body and manufacturing method for the same |
| JP2019005807A (en) * | 2017-06-27 | 2019-01-17 | 株式会社神戸製鋼所 | Member joining method and joint body |
| CN207402004U (en) * | 2017-08-21 | 2018-05-25 | 海隆管道工程技术服务有限公司 | A kind of lined composite steel tube socket joint welding system |
| CN109226542A (en) * | 2018-11-19 | 2019-01-18 | 江阴市液压油管有限公司 | A kind of hydraulic oil pipe tube expanding joint component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110496911B (en) | 2021-08-10 |
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Effective date of registration: 20230306 Address after: 518061 no.3688 Nanhai Avenue, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN University Address before: 518000 2112, building 1, Changfu Jinmao building, free trade zone, Futian District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Union Clean Energy Research Institute |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20210810 |