CN103353464A - Thermal shock experimental device for carbon material - Google Patents
Thermal shock experimental device for carbon material Download PDFInfo
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- CN103353464A CN103353464A CN 201310312519 CN201310312519A CN103353464A CN 103353464 A CN103353464 A CN 103353464A CN 201310312519 CN201310312519 CN 201310312519 CN 201310312519 A CN201310312519 A CN 201310312519A CN 103353464 A CN103353464 A CN 103353464A
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Abstract
The invention relates to a thermal shock experimental device for carbon material, which comprises a cooling chamber and a heating chamber, wherein an air delivering combination used for feeding inert gas is connected with the cooling chamber and the heating chamber respectively; the thermal shock experimental device further comprises a sample cabin loaded with the carbon material in reciprocating movement between the cooling chamber and the heating chamber under the drive of a power-driven combination. The thermal shock experimental device for the carbon material provided by the invention can effectively avoid the problem that the carbon material can be oxidized in the whole process of warming, cooling and the like, thereby providing condition for more accurately testing the thermal shock resistance of the carbon material to facilitate the thermal shock research of the carbon material being developed more scientifically. Besides, the thermal shock experimental device for the carbon material can carry out automatic control through a control panel, then freely adjust the condition needed by the thermal shock experiment, and realize the intelligent operation.
Description
Technical field
The present invention relates to the thermal shock experiment, relate more specifically to a kind of thermal shock experimental provision of carbon materials.
Background technology
Thermal shock experiment refers in the experimental temperature and heat eliminating medium of regulation, and the sample of definite shape and size is tested the experiment of the cycle index of the rapid heating and cooling that its end face breakage of being heated experiences after the temperature jump that stands rapid heating and cooling.
Carbon materials has occupied consequence in scientific research and engineering field, and especially at key areas such as Aeronautics and Astronautics and nuclear reactors, therefore, the thermal shock of carbon materials experiment is extremely important.
At present, China industry standard YB/T376 " refractory product thermal shock resistance experimental technique " has only stipulated the technical conditions that the thermal shock experiment should be satisfied, and structure and the automaticity of thermal shock experimental provision itself are not all done unified regulation, manufacturer there is not unified technical manual yet, therefore, each unit of check numerous and confused self design thermal shock experimental provision causes the lack of standardization of management thus.In addition, existing thermal shock experimental provision usually for be the oxide sample, it need not consider the problem that sample is oxidized.When utilizing existing thermal shock experimental provision to test the carbon materials sample, the following shortcoming of ubiquity: (1) carbon materials is oxidized easily in temperature-rise period; (2) carbon materials in temperature-fall period by abrupt oxidization; (3) owing to do not consider the sealing of device so that carbon materials is oxidized.In addition, the automaticity of existing thermal shock experimental provision is lower, can not realize automatic control, and the manufacturing cost of device is larger.
Summary of the invention
The easy oxidized problem of carbon materials that exists in order to solve above-mentioned prior art, the present invention aims to provide a kind of thermal shock experimental provision of carbon materials.
The thermal shock experimental provision of carbon materials of the present invention comprises cooling chamber and heating chamber, the combination of supplying gas that is used for passing into inert gas links to each other with described heating chamber with described cooling chamber respectively, and this thermal shock experimental provision also is included under the driving of electric assembling the reciprocating sample chamber that is mounted with described carbon materials between described cooling chamber and described heating chamber.
Described electric assembling comprises motor and material bar, and an end of described material bar is connected with described sample chamber, and the other end of described material bar is fixedly connected with a balladeur train, and described balladeur train is slidingly matched along the screw mandrel of described motor.
Described electric assembling also comprises the optical axis that is parallel to described screw mandrel extension, extends the director element that forms described balladeur train thereby described optical axis runs through described balladeur train.
Described sample chamber bottom is provided with the aperture for heat radiation.
Described heating chamber has the heat resisting pipe of accommodating described sample chamber, the two ends of described heat resisting pipe respectively with described cooling chamber be connected the combination sealing of supplying gas and be connected.
The two ends of described cooling chamber link to each other with described cooling chamber sealing with described electric assembling respectively.
Described cooling chamber also has the air intake opening that is communicated with the described combination of supplying gas.
Described cooling chamber has be used to the cooling chamber cap that picks and places described carbon materials.
Described cooling chamber also has the water inlet that is communicated with water tank.
Described cooling chamber, described heating chamber and the described combination of supplying gas are fixedly installed on the grate.
Fixed installation is useful on the control panel of regulating the thermal shock experiment condition on the described grate.
Owing to adopted above-mentioned technical solution, the thermal shock experimental provision of carbon materials of the present invention can avoid carbon materials that the problem of oxidation occurs in the whole processes such as intensification and cooling effectively, thereby for the thermal shock resistance of testing more exactly carbon materials provides condition, so that launch the thermal shock research of carbon materials more scientificly.In addition, the thermal shock experimental provision of carbon materials of the present invention can be controlled automatically by control panel, and then freely regulates the required condition of thermal shock experiment, realizes intelligentized operation.And the thermal shock experimental provision of this carbon materials is simple in structure, cheap for manufacturing cost.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the thermal shock experimental provision of carbon materials according to a preferred embodiment of the present invention;
Fig. 2 is the structural representation of electric assembling of the thermal shock experimental provision of carbon materials according to a preferred embodiment of the present invention;
Fig. 3 is the structural representation of heating chamber of the thermal shock experimental provision of carbon materials according to a preferred embodiment of the present invention;
Fig. 4 is the structural representation of cooling chamber of the thermal shock experimental provision of carbon materials according to a preferred embodiment of the present invention;
Fig. 5 is the structural representation of supplying gas and making up of the thermal shock experimental provision of carbon materials according to a preferred embodiment of the present invention;
Fig. 6 is the structural representation of grate of the thermal shock experimental provision of carbon materials according to a preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, and be described in detail.
The thermal shock experimental provision of carbon materials according to a preferred embodiment of the present invention comprises electric assembling 1, heating chamber 2, cooling chamber 3, water tank 4, ebullator 5, the combination 6 and grate 7 of supplying gas as shown in Figure 1.Wherein, this electric assembling 1, heating chamber 2, cooling chamber 3, water tank 4, ebullator 5 and the combination 6 of supplying gas all are fixedly installed on the grate 7, and be simple and compact for structure.
Fig. 2 shows electric assembling 1 according to a preferred embodiment of the present invention, comprises material bar 103, balladeur train 104, the motor 105 with screw mandrel 106, optical axis 107 and bearing bracket stand 108.Wherein, an end of material bar 103 is connected the carbon materials sample 101 that sample chamber 102 interior loadings are to be detected with sample chamber 102.The other end of material bar 103 is fixedly connected with balladeur train 104.Optical axis 107 be arranged in parallel with screw mandrel 106, and optical axis 107 is fixedly installed on the grate 7 by bearing bracket stand 108.Balladeur train 104 has respectively through hole in the position corresponding to optical axis 107 and screw mandrel 106, so that optical axis 107 and screw mandrel 106 extend through by this through hole respectively.Because optical axis 107 is fixedly installed on the grate 7 by bearing bracket stand 108, balladeur train 104 is slidingly matched along screw mandrel 106 under the guiding of optical axis 107, moves thereby drive material bar 103.In order to ensure the heat radiation of carbon materials sample 101, stay the hole about 0.5-2mm between preferred sample and the sample, and sample chamber 102 bottoms are drilled with aperture, be convenient to carbon materials sample 101 and dispel the heat faster.In addition, the temperature of sample chamber 102 is measured in real time by thermopair 109.
Fig. 3 shows heating chamber 2 according to a preferred embodiment of the present invention, comprises the heat resisting pipe 201 with accommodating sample chamber 102.One end of heat resisting pipe 201 has the first steel pipe flange 202, and this first steel pipe flange 202 links to each other with cooling chamber 3 sealings, so that sample chamber 102 can directly stretch into heating chamber 2 from cooling chamber 3.The other end of heat resisting pipe 201 has the second steel pipe flange 203, and this second steel pipe flange 203 links to each other with combination 6 sealings of supplying gas, so that inert gas can directly enter heating chamber 2.In one embodiment, the length of heat resisting pipe 201 is 700mm, and internal diameter is 100mm, and external diameter is 108mm, its two side flange 202,203 thick 10mm, and inert gas is Ar or N
2, heating chamber 2 is warming up to rapidly 500～1000 ℃ with the speed of 20～40 ℃/min, insulation 1～10min, and then sample chamber 102 enters cooling chamber 3, cooling 1～10min.
Fig. 4 shows cooling chamber 3 according to a preferred embodiment of the present invention.One end of cooling chamber 3 has the first cooling chamber flange 304, this first cooling chamber flange 304 and 103 dynamic seal (packing)s of material bar.The other end of cooling chamber 3 has the second cooling chamber flange 305, and this second cooling chamber flange 305 links to each other with 202 sealings of the first steel pipe flange, so that sample chamber 102 can directly stretch into heating chamber 2 from cooling chamber 3.Cooling chamber 3 also has water inlet 301 and water delivering orifice, so that cooling chamber 3 forms a recirculated water path with water tank 4, ebullator 5 provides the power of water circulation.In addition, cooling chamber 3 also has air intake opening 302 and gas outlet 303, so that cooling chamber 3 forms an airway path with the combination 6 of supplying gas.The top of cooling chamber 3 also has for the cooling chamber cap 307 that picks and places carbon materials sample 101 from sample chamber 102.The temperature of cooling chamber 3 is measured in real time by another thermopair 306.In one embodiment, the rate of temperature fall in the cooling chamber 3 is about 160 ℃/min.In this temperature-fall period, heating chamber 2 still keeps constant temperature, and after cooling finished, sample chamber 102 was then sent into heating chamber 2 automatically, carries out and so forth the thermal shock experiment.
Fig. 5 shows the combination 6 of supplying gas according to a preferred embodiment of the present invention, comprises the flange 601 of supplying gas, gas-tpe fitting 602, solenoid valve 603 and vacuum meter 604.Wherein, the flange 601 of supplying gas is connected with heating chamber 2.The inert gas of the combination transfer of supplying gas divides two-way, and one the tunnel sends into heating chamber 2 by gas-tpe fitting 602, solenoid valve 603 and vacuum meter 604 successively, and wherein, gas-tpe fitting 602 is the brass material; Cooling chamber 3 is directly sent on another road.
Fig. 6 shows grate 7 according to a preferred embodiment of the present invention.Above-mentioned electric assembling 1, heating chamber 2, cooling chamber 3, water tank 4, ebullator 5 and the combination 6 of supplying gas all are fixedly installed on the grate 7.Fixed installation is useful on the control panel 701 of regulating the thermal shock experiment condition on this grate 7, thereby utilizes the parameter of these control panel 701 input thermal shock experiments.
Below by an experiment embodiment concrete use procedure of the present invention is described: with ready carbon materials sample 101(such as pyrocarbon coating material, graphite material, carbon/carbon compound material, composite material of silicon carbide etc.) put into sample chamber 102, keep staying between the sample hole about 0.5-2mm; From control panel 701 input experiment parameters, such as 800 ℃ of heating-up temperatures, 30 ℃/min of heating rate, temperature retention time 5min, temperature fall time 5min, cycle index 100 times; Running experiment start program, solenoid valve 603 are opened automatically, and inert gas (nitrogen, argon gas, helium etc.) passes into heating chamber 2 and cooling chamber 3, and sample chamber 102 is sent into heating chamber 2 simultaneously automatically, and system is warming up to 800 ℃ with the speed of 30 ℃/min; Behind the insulation 5min, sample chamber 102 automated movements are to cooling chamber 3, and recirculated water also passes into cooling chamber 3 automatically, carbon materials sample 101 fast cooling 5min; Recirculated water autoshutdown, sample chamber 102 are sent into heating chamber 2 more again automatically; After repeating 100 thermal shocks experiment, electric assembling 1 resets, and sample chamber 102 moves to initial position (cooling chamber 3), and experiment finishes.
Above-described, be preferred embodiment of the present invention only, be not to limit scope of the present invention, the above embodiment of the present invention can also make a variety of changes.Be that simple, the equivalence that every claims according to the present patent application and description are done changes and modification, all fall into the claim protection domain of patent of the present invention.The present invention not detailed description be the routine techniques content.
Claims (11)
1. the thermal shock experimental provision of a carbon materials, comprise cooling chamber (3) and heating chamber (2), it is characterized in that, the combination (6) of supplying gas that is used for passing into inert gas links to each other with described heating chamber (2) with described cooling chamber (3) respectively, and this thermal shock experimental provision also is included under the driving of electric assembling (1) the reciprocating sample chamber (102) that is mounted with described carbon materials between described cooling chamber (3) and described heating chamber (2).
2. the thermal shock experimental provision of carbon materials according to claim 1, it is characterized in that, described electric assembling (1) comprises motor (105) and material bar (103), one end of described material bar (103) is connected with described sample chamber (102), the other end of described material bar (103) is fixedly connected with a balladeur train (104), and described balladeur train (104) is slidingly matched along the screw mandrel (106) of described motor (105).
3. the thermal shock experimental provision of carbon materials according to claim 2, it is characterized in that, described electric assembling (1) also comprises the optical axis (107) that is parallel to described screw mandrel (106) extension, and described optical axis (107) runs through described balladeur train (104) thereby extends the director element that forms described balladeur train (104).
4. the thermal shock experimental provision of carbon materials according to claim 1 is characterized in that, described sample chamber (102) bottom is provided with the aperture for heat radiation.
5. the thermal shock experimental provision of carbon materials according to claim 1, it is characterized in that, described heating chamber (2) has the heat resisting pipe (201) of accommodating described sample chamber (102), and the two ends of described heat resisting pipe (201) are tightly connected with described cooling chamber (3) and the described combination (6) of supplying gas respectively.
6. the thermal shock experimental provision of carbon materials according to claim 5 is characterized in that, sealing links to each other with described cooling chamber (3) with described electric assembling (1) respectively at the two ends of described cooling chamber (3).
7. according to claim 1 or the thermal shock experimental provision of 6 described carbon materialses, it is characterized in that described cooling chamber (3) also has the air intake opening (302) that is communicated with the described combination (6) of supplying gas.
8. the thermal shock experimental provision of carbon materials according to claim 1 is characterized in that, described cooling chamber (3) has be used to the cooling chamber cap (307) that picks and places described carbon materials.
9. the thermal shock experimental provision of carbon materials according to claim 1 is characterized in that, described cooling chamber (3) also has the water inlet (301) that is communicated with water tank (4).
10. the thermal shock experimental provision of carbon materials according to claim 1 is characterized in that, described cooling chamber (3), and described heating chamber (2) and the described combination (6) of supplying gas are fixedly installed on the grate (7).
11. the thermal shock experimental provision of carbon materials according to claim 1 is characterized in that, the upper fixed installation of described grate (7) is useful on the control panel (701) of regulating the thermal shock experiment condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310312519 CN103353464A (en) | 2013-07-23 | 2013-07-23 | Thermal shock experimental device for carbon material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310312519 CN103353464A (en) | 2013-07-23 | 2013-07-23 | Thermal shock experimental device for carbon material |
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| CN103353464A true CN103353464A (en) | 2013-10-16 |
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| CN 201310312519 Withdrawn CN103353464A (en) | 2013-07-23 | 2013-07-23 | Thermal shock experimental device for carbon material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486085A (en) * | 2016-01-20 | 2016-04-13 | 济南大学 | Split type thermal shock furnace and thermal shock resistance type experiment device |
| CN105675429A (en) * | 2016-01-19 | 2016-06-15 | 中国科学院力学研究所 | Thermal shock experimental apparatus and experimental method thereof |
-
2013
- 2013-07-23 CN CN 201310312519 patent/CN103353464A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675429A (en) * | 2016-01-19 | 2016-06-15 | 中国科学院力学研究所 | Thermal shock experimental apparatus and experimental method thereof |
| CN105486085A (en) * | 2016-01-20 | 2016-04-13 | 济南大学 | Split type thermal shock furnace and thermal shock resistance type experiment device |
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Application publication date: 20131016 |