CN203708745U - Fast cooling device for thermocouples - Google Patents
Fast cooling device for thermocouples Download PDFInfo
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- CN203708745U CN203708745U CN201420059719.8U CN201420059719U CN203708745U CN 203708745 U CN203708745 U CN 203708745U CN 201420059719 U CN201420059719 U CN 201420059719U CN 203708745 U CN203708745 U CN 203708745U
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- thermocouple
- platinum rhodium
- cooling device
- winding
- injection tube
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Abstract
The utility model discloses a fast cooling device for thermocouples, belonging to instrumentation and equipment. The fast cooling device for thermocouples comprises a square melting tank having a bottom. A front wall, a rear wall, a left wall and a right wall are respectively arranged around the bottom. The top of the melting tank is open. The melting tank is internally provided with a dual platinum rhodium thermocouple connected with a power supply and a temperature control system, and the dual platinum rhodium thermocouple penetrates through the right wall. The top of the melting tank is provided with an open glass window. A jetting pipe penetrates through the left wall. The position of the jetting pipe corresponds to that of the dual platinum rhodium thermocouple. One end of the jetting pipe is connected with a fluid nitrogen storage tank and the other end is closed. The closed end of the jetting pipe is provided with a plurality of jetting openings towards the dual platinum rhodium thermocouple. The technical problem of obtaining observation and measurement results in extreme cooling conditions is solved, and the fast cooling device for thermocouples is widely used in research on slag and glass in the metallurgical industry and the glass industry.
Description
Technical field
The utility model relates to a kind of cooling device, relates in particular to a kind of quickly cooling device of thermocouple, belongs to instrument and equipment technical field.
Background technology
The quantitative study of the Vitrea solidification phenomenon such as glass, metallurgical slag is used the method such as similar differential thermal analysis (DTA) method, insulation quench method conventionally.In the measurement of DTA, the stable material (reference substance) of any chemical reaction and physical change and the vitreum of equivalent do not occur under certain experimental temperature with certain compares constant speed alternating temperature in the situation that in equivalent environment, any chemistry of unknown material and variation physically, with compare with the temperature of its reference material in same environment, all to there is temporary transient increasing or reduce.Reduce and show as the endothermic reaction, increase and show as exothermic reaction.Infer concrete physicochemical change by the variation of these temperature, this kind of technology can only be well.And insulation quench method, refer at a series of temperature and be incubated, then quench, the sample after quenching, relate to line diffraction analysis or ESEM by X and analyze the content that whether obtains crystal or obtain crystal and be how many, but this kind of method wastes time and energy very much.But these technology can only be inferred by the variation of heat release and heat absorption in glass process of setting or result afterwards the behavior of solidifying of glass, and can not directly observe the behavior of solidifying of glass.In this case, a kind of take double platinum rhodium thermocouple as heating and the instrument (thermocouple instrument) of thermometric be developed, this instrument utilizes the resistance realization of thermocouple itself to heat simultaneously, meanwhile can carry out thermometric, add and there is no thermal resistance, therefore can realize and heat up fast and lower the temperature, can simulate well the rapid temperature rise and drop of actual industrial process, realize and carry out physical change in real-time observation glass simultaneously, infer other variation behavior with this.Advantage based on above-mentioned just, this technology has obtained a large amount of should having.But it must be noted that, this technology also has a series of problem in cooling procedure at present, most importantly can not realize supper-fast cooling, such as cooldown rate reach 200 ℃/more than s.Therefore, be necessary to develop a kind of new device assist realize supper-fast cooling, to meet the observation and the measurement result that are obtained under extreme cooling condition, for industrial expansion provides support.
Therefore, how rapid cooling thermal galvanic couple becomes a study hotspot and emphasis, the starting point that the present invention is accomplished especially and power place to meet the observation and the measurement result that are obtained under extreme cooling condition.
Utility model content
For many defects of above-mentioned existence, the inventor, through a large amount of further investigations, is paying after sufficient creative work, thereby is completing the present invention.
Particularly, technical problem to be solved in the utility model is: provide a kind of quickly cooling device of thermocouple, to meet the observation and the measurement result that are obtained under extreme cooling condition.
For solving the problems of the technologies described above, the technical solution of the utility model is to provide a kind of quickly cooling device of thermocouple, the quickly cooling device of described thermocouple comprises square molten groove, described molten groove has a bottom, the surrounding of described bottom is respectively arranged with antetheca, rear wall, Zuo Bi and You Bi, described molten groove open top, in described molten groove, be provided with the double platinum rhodium thermocouple that connects power supply and temperature control system, described double platinum rhodium thermocouple is through described right wall, the top of described molten groove is provided with the described uncovered windowpane of sealing, run through described left wall and be provided with injection tube, the position of described injection tube is corresponding with the position of described double platinum rhodium thermocouple, described injection tube one end connects the sealing of the nitrogen storage tank other end, one end of described injection tube sealing is provided with some winding-ups mouthful, described winding-up mouth is towards described double platinum rhodium thermocouple.
In the quickly cooling device of thermocouple of the present utility model, as a kind of optimal technical scheme, the end of described injection tube is provided with a center winding-up mouthful, and the winding-up mouth that is positioned at described center winding-up mouthful periphery is that center of circle annular array distributes take the center of circle of described center winding-up mouthful.
In the quickly cooling device of thermocouple of the present utility model, as a kind of optimal technical scheme, described antetheca, rear wall and bottom are set to one and are divided into outer casing and internal layer shell, between described outer casing and internal layer shell, be provided with cooling sandwith layer, described cooling sandwith layer connects described nitrogen storage tank by pipeline, and described pipeline is provided with break valve.
In the quickly cooling device of thermocouple of the present utility model, as a kind of optimal technical scheme, in described cooling sandwith layer, be provided with some dividing plates, it is that import one end is the circuitous channel of outlet that described cooling sandwith layer is separated into one end by described dividing plate, and described import connects described nitrogen storage tank.
Owing to having adopted technique scheme, the utility model has been obtained following useful technique effect:
1. due to the winding-up mouth being provided with towards double platinum rhodium thermocouple, winding-up mouth is arranged at the end of the injection tube that connects nitrogen storage tank, can in the time of the cooling double platinum rhodium thermocouple of needs, be communicated with nitrogen storage tank, utilize cooled with liquid nitrogen double platinum rhodium thermocouple, the surface temperature that can reduce fast double platinum rhodium thermocouple, improves cooldown rate greatly; Because the top of molten groove is provided with windowpane, can observe the physical change in course of reaction again in good time, infer other variation behavior with this.
2. because the center of circle of the winding-up Kou Yi center winding-up of center winding-up mouthful periphery mouthful is that center of circle annular array distributes, the air-flow that blows to double platinum rhodium thermocouple is evenly distributed, has further improved cooling effect.
3. connect the cooling sandwith layer of nitrogen storage tank owing to being provided with, the temperature that makes external shell also can fast reducing, has further improved cooldown rate, make cooldown rate can reach 200 ℃/more than s, form supper-fast cooling.
4. owing to being provided with circuitous channel, make the heat exchange of liquid nitrogen more abundant, further improved cooling effect.
Accompanying drawing explanation
Fig. 1 is the quickly cooling device structural representation of the thermocouple of the utility model embodiment;
Fig. 2 is the distribution map of winding-up mouth in the utility model;
Fig. 3 is the deployed configuration schematic diagram of molten groove in the utility model.
Wherein, in Fig. 1, Fig. 2 and Fig. 3, each number designation refers to respectively following concrete meaning, element or parts.
In figure: 1, Zuo Bi, 2, injection tube, 3, double platinum rhodium thermocouple, 4, import, 5, windowpane, 6, winding-up mouthful, 7, outer casing, 8, internal layer shell, 9, dividing plate, 10, cooling sandwith layer, 11, You Bi, 12, outlet.
Embodiment
Below in conjunction with accompanying drawing; by specific embodiment the utility model is elaborated; but the purposes of these property enumerated execution modes and object are only used for enumerating the utility model; not real protection scope of the present utility model is formed to any type of any restriction, more non-protection range of the present utility model is confined to this.
As Fig. 1, shown in Fig. 2 and Fig. 3 are common, the quickly cooling device of thermocouple of the present utility model, comprise square molten groove, molten groove has a bottom, the surrounding of bottom is respectively arranged with antetheca, rear wall, left wall 1 and right wall 11, molten groove open top, in molten groove, be provided with the double platinum rhodium thermocouple 3 that connects power supply and temperature control system, double platinum rhodium thermocouple 3 is through right wall 11, conventionally, on right wall 11, offer a through hole, double platinum rhodium thermocouple 3 is arranged on right wall 11 by a ceramic fixed cover, the top of molten groove is provided with the uncovered windowpane 5 of sealing, run through left wall 1 and be provided with injection tube 2, the position of injection tube 2 is corresponding with the position of double platinum rhodium thermocouple 3, injection tube 2 one end connect the shutoff of the nitrogen storage tank other end, one end of injection tube 2 shutoff is provided with some winding-ups mouths 6, winding-up mouth 6 is towards double platinum rhodium thermocouple 3, with ejection Speed High Speed Liquid Nitrogen, quick cooling double platinum rhodium thermocouple 3.In order to improve cooling effect, the end of injection tube 2 is provided with a center winding-up mouthful, the winding-up mouth that is positioned at described center winding-up mouth periphery is that center of circle annular array distributes take the center of circle of described center winding-up mouth, as shown in Figure 2, certainly, those skilled in the art can be according to the number of plies and the number of the diameter reasonable Arrangement winding-up mouth 6 of injection tube 2.
Antetheca, rear wall and bottom are set to one and are divided into outer casing 7 and internal layer shell 8, between outer casing 7 and internal layer shell 8, be provided with cooling sandwith layer 10, cooling sandwith layer 10 connects nitrogen storage tank by pipeline, pipeline is provided with break valve, in cooling sandwith layer 10, be provided with some dividing plates 9, it is that import 4 one end are the circuitous channel of outlet 12 that cooling sandwith layer 10 is separated into one end by dividing plate 9, import 4 connects nitrogen storage tank, import 4 is positioned on antetheca, and outlet 12 is arranged in (Fig. 3 dotted line is folding line) on rear wall.
When use, as required, can use separately injection tube 2, utilize winding-up mouth 6 to blow out liquid nitrogen, purge cooling to double platinum rhodium thermocouple 3, also can use cooling sandwith layer 10, the surrounding environment of double platinum rhodium thermocouple 3 is carried out cooling, can also use injection tube 2 and cooling sandwith layer 10 simultaneously, jointly cooling, realize supper-fast coolingly, those skilled in the art can select as required voluntarily.
Although for for example and the object of description, and introduce structure and processing procedure shown in above-mentioned execution mode of the present utility model and accompanying drawing.But these are not detailed descriptions, scope of the present utility model can not be confined to this.For a person skilled in the art, can make numerous modifications and variations to above-mentioned execution mode of the present utility model, and these all modifications and/or variation are all included in as within claim limited range of the present utility model, do not depart from the scope and spirit of the present utility model that limit as claim.
Claims (4)
1. the quickly cooling device of a thermocouple, comprise square molten groove, described molten groove has a bottom, the surrounding of described bottom is respectively arranged with antetheca, rear wall, Zuo Bi and You Bi, described molten groove open top, in described molten groove, be provided with the double platinum rhodium thermocouple that connects power supply and temperature control system, described double platinum rhodium thermocouple is through described right wall, it is characterized in that: the top of described molten groove is provided with the described uncovered windowpane of sealing, run through described left wall and be provided with injection tube, the position of described injection tube is corresponding with the position of described double platinum rhodium thermocouple, described injection tube one end connects the sealing of the nitrogen storage tank other end, one end of described injection tube sealing is provided with some winding-ups mouthful, described winding-up mouth is towards described double platinum rhodium thermocouple.
2. the quickly cooling device of thermocouple as claimed in claim 1, is characterized in that: the end of described injection tube is provided with a center winding-up mouthful, and the winding-up mouth that is positioned at described center winding-up mouthful periphery is that center of circle annular array distributes take the center of circle of described center winding-up mouthful.
3. the quickly cooling device of thermocouple as claimed in claim 1 or 2, it is characterized in that: described antetheca, rear wall and bottom are set to one and are divided into outer casing and internal layer shell, between described outer casing and internal layer shell, be provided with cooling sandwith layer, described cooling sandwith layer connects described nitrogen storage tank by pipeline, and described pipeline is provided with break valve.
4. the quickly cooling device of thermocouple as claimed in claim 3, it is characterized in that: in described cooling sandwith layer, be provided with some dividing plates, it is that import one end is the circuitous channel of outlet that described cooling sandwith layer is separated into one end by described dividing plate, and described import connects described nitrogen storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420059719.8U CN203708745U (en) | 2014-02-08 | 2014-02-08 | Fast cooling device for thermocouples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420059719.8U CN203708745U (en) | 2014-02-08 | 2014-02-08 | Fast cooling device for thermocouples |
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| CN203708745U true CN203708745U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420059719.8U Expired - Fee Related CN203708745U (en) | 2014-02-08 | 2014-02-08 | Fast cooling device for thermocouples |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373409A (en) * | 2021-05-18 | 2021-09-10 | 中国农业机械化科学研究院 | Temperature-control thermocouple protection tube and coating preparation method thereof |
-
2014
- 2014-02-08 CN CN201420059719.8U patent/CN203708745U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113373409A (en) * | 2021-05-18 | 2021-09-10 | 中国农业机械化科学研究院 | Temperature-control thermocouple protection tube and coating preparation method thereof |
| CN113373409B (en) * | 2021-05-18 | 2022-11-22 | 中国农业机械化科学研究院 | Temperature-control thermocouple protection tube and coating preparation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20200208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |