CN107966468A - A kind of fuel pellet fusing point measuring device and method - Google Patents
A kind of fuel pellet fusing point measuring device and method Download PDFInfo
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- CN107966468A CN107966468A CN201711393138.2A CN201711393138A CN107966468A CN 107966468 A CN107966468 A CN 107966468A CN 201711393138 A CN201711393138 A CN 201711393138A CN 107966468 A CN107966468 A CN 107966468A
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- fusing point
- fuel pellet
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- 239000000446 fuel Substances 0.000 title claims abstract description 43
- 239000008188 pellet Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000005070 sampling Methods 0.000 claims abstract description 22
- 239000011159 matrix material Substances 0.000 claims description 14
- 238000005086 pumping Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical group C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000009834 vaporization Methods 0.000 abstract description 10
- 230000008016 vaporization Effects 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 8
- 230000001473 noxious effect Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 5
- 239000003758 nuclear fuel Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001672694 Citrus reticulata Species 0.000 description 1
- 241000196435 Prunus domestica subsp. insititia Species 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 241000013033 Triso Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/04—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of melting point; of freezing point; of softening point
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of fuel pellet fusing point measuring device and method.The fuel pellet fusing point measuring device includes：Vacuum chamber, be arranged on the heating container that sample to be tested is held in the vacuum chamber, the heating sample to be tested heating unit, be arranged on the gas sampling pipeline of the heating container periphery, be arranged on the outer temperature sensing device that the air extractor being evacuated is connected with the gas sampling pipeline and monitors the sample to be tested temperature of the vacuum chamber.The present invention in vacuum chamber by setting gas sampling pipeline, sample to be tested can timely be extracted out to be heated caused exhaust gas, vaporization at high temperature thing etc., thereby may be ensured that noxious material can be effectively handled, had easy to operate, can be repeated several times, it is applied widely the advantages that.
Description
Technical field
The present invention relates to fusing point testing field, more particularly to a kind of fuel pellet fusing point measuring device and method.
Background technology
Pellet fusing point is the important performance assessment criteria of nuclear fuel element, is the necessary important parameter of performance evaluation.At present, it is ripe
Two generations be subject to and three generations's water-water reactor nuclear power station, using UO2Pellet, UO2Performance obtained extensive research, its fusing point is about
2800℃.On March 11st, 2011, the Fukushima, Japan nuclear accident induced by earthquake overlap tsunami result in reactor core meltdown and radioactivity
The catastrophic effect of material long range diffusion.After Fukushima, Japan nuclear accident, the whole world focuses more on nuclear safety, and nuclear safety is also carried
Requirements at the higher level are gone out.In order to reduce the possibility of active service and the generation of new nuclear power station major accident, it is gentle to improve nuclear power station prevention
The ability of major accident is solved, the Nuclear Power circle has carried out extensive and deep discussion.U.S. Department of Energy is carried from government aspect first
It has and carries out accident fault tolerant fuel（ATF, Accident Tolerant Fuel）Research, major accident is resisted to improve nuclear fuel
Ability, and the nuclear fuel and involucrum of preferential development lifting fail- safe performance.It is main at present in terms of ATF fuel ball research and development
High density, high heat conductance fuel pellet direction are concentrated on, including：UN、U3Si2、FCM-UO2（SiC ceramic matrix disperse TRISO
Fuel）, oxide fuel containing additive（Mainly improve its thermal conductivity）Deng.
One of the important Testing index of fusing point as new fuel ball, the accuracy of its data pacify reactor operation
Have a major impact entirely.Fuel ball fusing point detects, due to widely used UO all the time2Pellet, its fusing point obtain widely
Accreditation, current domestic no associated mechanisms possess the ability of detection nuclear fuel fusing point；For ATF fuel balls, for example add
The oxide fuel of BeO, has stronger toxicity, and volatilization is serious at high temperature；ATF fuel balls are still in type selecting rank
Section, research direction are more, it is necessary to a kind of accurate, safe and efficient analysis means.
A kind of current existing detection method is to examine molten state method.By sample (such as UO2) be put into tungsten crucible, weld
Sealing is connect, then tungsten mandarin orange pot is heated to each different temperatures pre-estimated, keep the temperature three minutes, measure the black matrix on crucible cover
Hole temperature.After crucible cooling, check wherein whether sample melts one by one with x-ray detection instrument.After a series of heating, do not melting
Its fusing point is determined between the maximum temperature of change and the minimum temperature of fusing.Although this method test result is compared with accurate, process
Complexity, it is of high cost, it is not easy multi-pass operation.Some materials volatilize seriously at high temperature, if using the above method, sample is directly put
Enter in heater, volatile matter during high temperature can be largely deposited on observation window, severely impact temperature measurement accuracy.
The content of the invention
The technical problem to be solved in the present invention is, for the prior art measurement process it is complicated, of high cost the defects of, carry
For a kind of fuel pellet fusing point measuring device and method.
The technical solution adopted by the present invention to solve the technical problems is：A kind of fuel pellet fusing point measuring device is provided,
Including：Vacuum chamber, the heating dress for being arranged on the heating container that sample to be tested is held in the vacuum chamber, the heating sample to be tested
Put, be arranged on the gas sampling pipeline of the heating container periphery, be arranged on outside the vacuum chamber and the gas sampling pipeline
Connect the air extractor of pumping and the temperature sensing device of the monitoring sample to be tested temperature.
Preferably, the heating container includes the crucible of a side opening；The sample to be tested is arranged in the crucible.
Preferably, the open side of the crucible is provided with carbon fiber sealing.
Preferably, it is provided with observation window at the vacuum chamber position opposite with the crucible opening.
Preferably, the fuel pellet fusing point measuring device, which further includes, is arranged on outside the vacuum chamber, by the observation
Window shoots the camera device of the sample to be tested.
Preferably, the temperature sensing device includes being arranged on outside the vacuum chamber, senses the sample to be tested temperature
Infrared temperature sensor.
Preferably, the gas sampling pipeline is included in the collection conduit that the open side of the crucible is set；The collection
Capillary hole is provided with pipeline.
Preferably, the air extractor include be connected with the gas sampling pipeline filtration apparatus, be arranged on the mistake
The vacuum pumping pump of filter device rear end and the air exhausting device being connected with the vacuum pumping pump.
Preferably, the heating unit includes being arranged on the induction coil of the heating container periphery and is arranged on institute
State the control system that vacuum chamber is outer, connects and controls the induction coil to produce high frequency magnetic field.
The present invention also provides a kind of fuel pellet fusing point measuring method, comprise the following steps：
S1：Fuel pellet is fabricated to the sample to be tested with black matrix hole, is positioned in heating container；
S2：The sample to be tested is heated by heating unit；
S3：In the sample to be tested melted by heat, the sample to be tested is produced by gas sampling pipeline by air extractor
Raw exhaust gas carries out collected at suction；
S4：The temperature change of the sample to be tested is monitored by temperature sensing device, and is disappeared in the black matrix hole of the sample to be tested
The fusing point of the sample to be tested is recorded as during mistake.
The beneficial effects of the practice of the present invention is：The present invention, can be timely by setting gas sampling pipeline in vacuum chamber
Extraction sample to be tested be heated caused exhaust gas, vaporization at high temperature thing etc., thereby may be ensured that noxious material can effectively be located
Reason, have it is easy to operate, can be repeated several times, it is applied widely the advantages that.
Brief description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is the structure diagram of fuel pellet fusing point measuring device one embodiment of the present invention.
Embodiment
In order to which the technical features, objects and effects of the present invention are more clearly understood, now compare attached drawing and describe in detail
The embodiment of the present invention.
Fig. 1 shows fuel pellet fusing point measuring device one embodiment of the present invention, including vacuum chamber 11, heating container
12nd, heating unit, gas sampling pipeline 14, air extractor, temperature sensing device 16 etc., can be used for various fuel pellets
Fusing point measures, particularly the fuel pellet containing noxious material, can by setting gas sampling pipeline 14 in the vacuum chamber 11,
Sample to be tested 20 heated caused exhaust gas, vaporization at high temperature thing etc. can timely be extracted out, thereby may be ensured that noxious material can
To be effectively handled.
Wherein, which can be by fuel pellet to be fabricated to the sample to be tested 20 with black matrix hole 21, can be with
Judge whether fuel pellet melts by observing black matrix hole 21 and whether disappearing.Certainly, the shape of the sample to be tested 20, material
Deng can be made choice, designed according to actual needs.
The vacuum chamber 11 is disposed therein for heating container 12, heating unit, gas sampling pipeline 14 etc., there is provided vacuum is surveyed
Environment is measured, to improve measurement accuracy；Meanwhile fuel pellet and its vaporization at high temperature thing can be limited in it, so as to avoid pair
The pollution of environment.It should be understood that the shape of the vacuum chamber 11, size can be according to different fuel pellets size, shape
Etc. being designed.
The heating container 12 is arranged in vacuum chamber 11, for holding sample to be tested 20.In the present embodiment, container is heated
12 include the crucible of a side opening 121, particularly, can select tungsten crucible, naturally it is also possible to select other crucibles or high temperature resistant
Container made of material.Further, carbon fiber sealing 122 is provided with 121 side of opening of crucible, it is possible to reduce sample to be tested
A large amount of spillings of 20 vaporization at high temperature thing.
Sample to be tested 20 is placed in crucible, and the opening 121 by the black matrix hole 21 of its sample to be tested 20 against crucible,
In order to observe the fusing situation in black matrix hole 21.Further, for the ease of the fusing situation in observation black matrix hole 21, in vacuum chamber
Observation window 111 is provided with 11 positions opposite with crucible opening 121, consequently facilitating observation.
For the sample to be tested 20 in heating crucible, heating unit is set in vacuum chamber 11, is added using heating unit
Hot sample to be tested 20, and then measure its fusing point.In the present embodiment, which includes being arranged on 12 periphery of heating container
Induction coil 131 and the control system 132 being arranged on outside vacuum chamber 11.The induction coil 131 around the periphery for being located at crucible,
Induction coil 131 is controlled to produce high frequency magnetic field by control system 132, when the magnetic line of force in magnetic field treats test sample by being heated
During product 20, countless small vortex can be produced being heated in sample to be tested 20, so that being heated sample to be tested 20 itself at a high speed
Fever, so as to quickly reach its fusing point.
Certainly, which can also use other heating units, such as by crucible periphery or internal setting
Heater strip, heats the sample to be tested 20 in crucible by heater strip.
Meanwhile when sample to be tested 20 is heated, the temperature of sample to be tested 20 is monitored by temperature sensing device 16, into
And the fusing point of sample to be tested 20 can be measured.In the present embodiment, which includes being arranged on vacuum chamber 11
Outer infrared temperature sensor.By the way that infrared temperature sensor is aligned sample to be tested 20, to sense 20 temperature of sample to be tested, and
When disappearing in black matrix hole 21, the temperature of sample to be tested 20 is recorded, so as to accurately measure the fusing point of sample to be tested 20.
Further, in order to avoid sample to be tested 20 melts caused poisonous vaporization at high temperature thing diffusion or covers observation window
111, in the present embodiment, gas sampling pipeline 14 is arranged on 12 periphery of heating container, and air extractor is arranged on vacuum
Outside chamber 11, it is connected with gas sampling pipeline 14.Air extractor work pumping, is produced sample to be tested 20 by gas sampling pipeline 14
Raw vaporization at high temperature thing is quickly extracted out, so as to avoid the accumulation in vacuum chamber 11, so as to improve the accuracy of measurement, is protected at the same time
Demonstrate,prove personnel safety.
In the present embodiment, which is included in the collection conduit that 121 side of opening of crucible is set；Collect
Capillary hole is provided with pipeline.The collection conduit is connected by air extractor, in pumping, is formed at capillary hole negative
Pressure so that the vaporization at high temperature thing that sample to be tested 20 produces can be quickly inhaled into collection conduit, and is arranged by air extractor
Go out.Certainly, collection conduit can also be arranged as required to the optional position in vacuum chamber 11, quickly be taken away as long as can guarantee that
The vaporization at high temperature thing that sample to be tested 20 produces.
Further, in order to avoid the Substances Pollution environment of extraction, which further includes and gas sampling pipeline 14
The filtration apparatus 152 of connection, the vacuum pumping pump 151 for being arranged on 152 rear end of filtration apparatus and it is connected with vacuum pumping pump 151
Air exhausting device 153 etc..During work, vacuum pumping pump 151 is evacuated, and negative pressure is formed at the capillary hole of gas sampling pipeline 14, is inhaled
Enter the vaporization at high temperature thing of sample to be tested 20, filtered after allowing by filtration apparatus 152, then be discharged to by air exhausting device 153
In appropriate retracting device.
Further, for the ease of observing the state change of sample to be tested 20, which also wraps
Include and be arranged on the camera device 17 that vacuum chamber 11 shoots sample to be tested 20 outside, by observation window 111.The camera device 17 can lead to
The observation window 111 for crossing vacuum chamber 11 shoots sample to be tested 20, records its change procedure.Meanwhile temperature sense can be coordinated
Device 16 is answered to record the temperature value of change procedure, so as to more accurately measure the fusing point of sample to be tested 20 and each state
The temperature value of change point.Visually observed by imaging substitution, repeatable sight is looked into, and improves judgment accuracy.
When being measured using the fuel pellet fusing point measuring device, sample to be tested 20 is first made, specifically, by fuel
Pellet is fabricated to the sample to be tested 20 with black matrix hole 21, is positioned in heating container 12.
Then, sample to be tested 20 is heated by heating unit, in the present embodiment, is controlled by control system 132
Make to control induction coil 131 to produce high frequency magnetic field, can be in quilt when the magnetic line of force in magnetic field is by being heated sample to be tested 20
Heat and countless small vortex is produced in sample to be tested 20, generate heat at a high speed so that being heated sample to be tested 20 itself, so that quickly
Arrival its fusing point.
In 20 melted by heat of sample to be tested, sample to be tested 20 is produced by gas sampling pipeline 14 by air extractor
Exhaust gas carry out collected at suction.Meanwhile the temperature change of sample to be tested 20 is monitored by temperature sensing device 16, and treating test sample
The black matrix hole 21 of product 20 is recorded as the fusing point of sample to be tested 20 when disappearing.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (10)
- A kind of 1. fuel pellet fusing point measuring device, it is characterised in that including：Vacuum chamber, be arranged in the vacuum chamber and hold The heating container of sample to be tested, the heating unit of the heating sample to be tested, the exhaust gas receipts for being arranged on the heating container periphery Collection pipeline, be arranged on described in the outer air extractor that pumping is connected with the gas sampling pipeline of the vacuum chamber and monitoring and treat The temperature sensing device of sample temperature.
- 2. fuel pellet fusing point measuring device according to claim 1, it is characterised in that the heating container includes side The crucible of opening；The sample to be tested is arranged in the crucible.
- 3. fuel pellet fusing point measuring device according to claim 2, it is characterised in that the open side of the crucible is set There is carbon fiber sealing.
- 4. fuel pellet fusing point measuring device according to claim 2, it is characterised in that the vacuum chamber and the crucible It is open at opposite position and is provided with observation window.
- 5. fuel pellet fusing point measuring device according to claim 4, it is characterised in that the fuel pellet fusing point measurement Device, which further includes, is arranged on the camera device that the vacuum chamber shoots the sample to be tested outside, by the observation window.
- 6. fuel pellet fusing point measuring device according to claim 4, it is characterised in that the temperature sensing device includes It is arranged on outside the vacuum chamber, the infrared temperature sensor of the sensing sample to be tested temperature.
- 7. fuel pellet fusing point measuring device according to claim 2, it is characterised in that the gas sampling pipeline includes In the collection conduit that the open side of the crucible is set；Capillary hole is provided with the collection conduit.
- 8. fuel pellet fusing point measuring device according to claim 7, it is characterised in that the air extractor includes and institute The filtration apparatus of stating the connection of gas sampling pipeline, the vacuum pumping pump for being arranged on the filtration apparatus rear end and with it is described take out it is true The air exhausting device of sky pump connection.
- 9. according to claim 1-8 any one of them fuel pellet fusing point measuring devices, it is characterised in that the heating unit Including being arranged on the induction coil of the heating container periphery and being arranged on outside the vacuum chamber, connect and control the sense Coil is answered to produce the control system of high frequency magnetic field.
- 10. a kind of fuel pellet fusing point measuring method, it is characterised in that comprise the following steps：S1：Fuel pellet is fabricated to the sample to be tested with black matrix hole, is positioned in heating container；S2：The sample to be tested is heated by heating unit；S3：In the sample to be tested melted by heat, the sample to be tested is produced by gas sampling pipeline by air extractor Raw exhaust gas carries out collected at suction；S4：The temperature change of the sample to be tested is monitored by temperature sensing device, and is disappeared in the black matrix hole of the sample to be tested The fusing point of the sample to be tested is recorded as during mistake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393138.2A CN107966468A (en) | 2017-12-21 | 2017-12-21 | A kind of fuel pellet fusing point measuring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711393138.2A CN107966468A (en) | 2017-12-21 | 2017-12-21 | A kind of fuel pellet fusing point measuring device and method |
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| Publication Number | Publication Date |
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| CN107966468A true CN107966468A (en) | 2018-04-27 |
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|---|---|---|---|
| CN201711393138.2A Pending CN107966468A (en) | 2017-12-21 | 2017-12-21 | A kind of fuel pellet fusing point measuring device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024113333A1 (en) * | 2022-12-01 | 2024-06-06 | 中广核研究院有限公司 | Apparatus and method for measuring melting point of ultrahigh-temperature material |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6398405B1 (en) * | 1998-12-11 | 2002-06-04 | Agency Of Industrial Science And Technology | Fixed-point crucible, fixed-point temperature realizing apparatus using the crucible and temperature calibration method |
| CN1381719A (en) * | 2001-12-14 | 2002-11-27 | 朱德祥 | In-line simultaneous analysis method for setting point and cold filter point of diesel oil |
| CN1388368A (en) * | 2001-05-27 | 2003-01-01 | 中国科学院安徽光学精密机械研究所 | Real-time measuring method of solid-liquid interface structure in high-temperature melt process of crystal growth and high-temperature heating stage |
| JP2005349434A (en) * | 2004-06-10 | 2005-12-22 | Yaskawa Electric Corp | Apparatus for quickly cooling molten metal |
| CN203310785U (en) * | 2013-06-25 | 2013-11-27 | 天津市精拓仪器科技有限公司 | Video melting point meter |
| CN103594131A (en) * | 2012-08-15 | 2014-02-19 | 广东核电合营有限公司 | Measuring method and device for moderator temperature coefficient of million-kilowatt pressurized water reactor nuclear power station |
| CN103643305A (en) * | 2013-12-04 | 2014-03-19 | 北京华进创威电子有限公司 | Preparation method of TaC crucible for high-temperature gas phase method crystal growth |
| CN104567401A (en) * | 2015-01-09 | 2015-04-29 | 上海交通大学 | Melt medium-frequency induction and high-temperature heating device |
| CN107256726A (en) * | 2017-07-03 | 2017-10-17 | 中国工程物理研究院材料研究所 | A kind of preparation method of metal reinforced uranium dioxide fuel ball |
| CN207611000U (en) * | 2017-12-21 | 2018-07-13 | 广东核电合营有限公司 | A kind of fuel pellet fusing point measuring device |
-
2017
- 2017-12-21 CN CN201711393138.2A patent/CN107966468A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6398405B1 (en) * | 1998-12-11 | 2002-06-04 | Agency Of Industrial Science And Technology | Fixed-point crucible, fixed-point temperature realizing apparatus using the crucible and temperature calibration method |
| CN1388368A (en) * | 2001-05-27 | 2003-01-01 | 中国科学院安徽光学精密机械研究所 | Real-time measuring method of solid-liquid interface structure in high-temperature melt process of crystal growth and high-temperature heating stage |
| CN1381719A (en) * | 2001-12-14 | 2002-11-27 | 朱德祥 | In-line simultaneous analysis method for setting point and cold filter point of diesel oil |
| JP2005349434A (en) * | 2004-06-10 | 2005-12-22 | Yaskawa Electric Corp | Apparatus for quickly cooling molten metal |
| CN103594131A (en) * | 2012-08-15 | 2014-02-19 | 广东核电合营有限公司 | Measuring method and device for moderator temperature coefficient of million-kilowatt pressurized water reactor nuclear power station |
| CN203310785U (en) * | 2013-06-25 | 2013-11-27 | 天津市精拓仪器科技有限公司 | Video melting point meter |
| CN103643305A (en) * | 2013-12-04 | 2014-03-19 | 北京华进创威电子有限公司 | Preparation method of TaC crucible for high-temperature gas phase method crystal growth |
| CN104567401A (en) * | 2015-01-09 | 2015-04-29 | 上海交通大学 | Melt medium-frequency induction and high-temperature heating device |
| CN107256726A (en) * | 2017-07-03 | 2017-10-17 | 中国工程物理研究院材料研究所 | A kind of preparation method of metal reinforced uranium dioxide fuel ball |
| CN207611000U (en) * | 2017-12-21 | 2018-07-13 | 广东核电合营有限公司 | A kind of fuel pellet fusing point measuring device |
Non-Patent Citations (3)
| Title |
|---|
| 仲际春等: "高温材料熔点的测定", 《核动力工程》, no. 1, pages 51 - 55 * |
| 刘景良: "《大气污染控制工程》", 31 January 2012, 中国轻工业出版社, pages: 227 - 230 * |
| 翁瑞琪: "《现代实用电子手册》", 30 April 1997, 天津科学技术出版社, pages: 58 - 59 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024113333A1 (en) * | 2022-12-01 | 2024-06-06 | 中广核研究院有限公司 | Apparatus and method for measuring melting point of ultrahigh-temperature material |
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