CN203069288U - Novel thermocouple - Google Patents
Novel thermocouple Download PDFInfo
- Publication number
- CN203069288U CN203069288U CN201320088168.3U CN201320088168U CN203069288U CN 203069288 U CN203069288 U CN 203069288U CN 201320088168 U CN201320088168 U CN 201320088168U CN 203069288 U CN203069288 U CN 203069288U
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- CN
- China
- Prior art keywords
- layer protective
- sleeve pipe
- thermopair
- thermocouple
- protective casing
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- 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.)
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Abstract
The utility model relates to the technical field of temperature measurement and specifically discloses a novel thermocouple. The novel thermocouple includes a thermocouple wire, an inner-layer protective sleeve and an outer-layer protective sleeve, wherein the outer-layer protective sleeve is arranged outside the inner-layer protective sleeve; the inner-layer protective sleeve and the outer-layer protective sleeve are in interference fit; and the thermocouple wire is installed in an inner cavity of the inner-layer protective sleeve. By adopting the above technical scheme, the high-temperature-resisting performance of the novel thermocouple can be improved further and the novel thermocouple can be protected from erosion. And the two metal sleeves made of different materials are combined together according to the utility model, so that the inner-layer sleeve and the outer-layer sleeve form a tight integral body. Metal interfaces of pipe bodies made of different materials can be utilized for blocking the continuous expansion of a crystal boundary and advantages of the inner-layer sleeve and the outer-layer sleeve can be exploited to the full, so that the comprehensive performance of the sleeves is improved.
Description
Technical field
The utility model relates to the temperature survey field, relates in particular to a kind of blast furnace special utility thermopair.
Background technology
Current, the cupola well furnace bottom is the worst zone of blast furnace working environment, fire resistive material in this zone is subjected to the washing away of high temperature sludge molten iron, chemical erosion, high temperature and thermal stress damage all the time, hearth breakout will directly cause blast furnace generation stove labour termination blowing out overhaul, so most important to the temperature monitoring of blast furnace hearth and bottom.
Generally speaking, in refractory brick punching thermopair being packed into after blast furnace is built by laying bricks or stones and finished seals after sleeve pipe stretches into refractory brick, because of the restriction of refractory brick punching and casing size CS (20-40mm), will certainly destroy the structure of refractory brick, influences the performance of refractory brick.And used thermopair all is common thermopair, even can be high temperature resistant, also can oxidized, carbonization in the refractory brick environment, and during blast furnace opening, refractory brick and furnace shell can misplace, and general thermopair also can be because of tension, anti-ly cut ability and damage.
The utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model provides a kind of New-type thermocouple, can further improve the resistance to elevated temperatures of thermopair, and the protection thermopair does not weather, and guarantees the destruction of refractory brick is reached minimum.
The utility model for achieving the above object, by the following technical solutions:
The utility model provides a kind of New-type thermocouple; comprise: thermocouple wire, internal layer protective casing, outer layer protection sleeve pipe; wherein said internal layer protective casing is outside equipped with described outer layer protection sleeve pipe; described internal layer protective casing and described outer layer protection sleeve pipe are interference fit, and described internal layer protective casing inner chamber is equipped with described thermocouple wire.
Comparatively preferred, described thermopair also comprises filler, and described filler is filled between described internal layer protective casing and the described thermocouple wire.
Comparatively preferred, the outside of described thermopair also is provided with high temperature resistant sleeve pipe, and the temperature-sensitive front end of described thermopair is provided with described high temperature resistant sleeve pipe, tamps and seals with described filler between described thermopair and the described high temperature resistant sleeve pipe.
Comparatively preferred, described outer layer protection sleeve pipe adopts high temperature resistant, anti-carbonization, anti-oxidation metal.
Comparatively preferred, that described internal layer protective casing adopts is high temperature resistant, stretch-proof, anti-shearing metal.
Comparatively preferred, described thermopair adopts compound mode with described outer layer protection sleeve pipe and described internal layer protective casing, and makes described outer layer protection sleeve pipe and described internal layer protective casing become an integral body closely.
Comparatively preferred, described thermopair adopts compound sheathed structure, and the diameter of described thermopair is 4-6mm.
The beneficial effects of the utility model are:
The utility model can further improve the resistance to elevated temperatures of thermopair; and the protection thermopair does not weather; and this thermopair is combined with each other two kinds of different metals sleeve pipes; make its inside and outside two-layer sleeve pipe become an integral body closely; can utilize the continuous expansion of the metal interface blocking-up crystal boundary of two-layer unlike material body; give full play to the advantage separately of internal and external casing, thereby improve the combination property of sleeve pipe.The thermopair that the utility model provides is in the laying process, each transversal section refractory brick is left groove (width is 4-6mm) in the cupola well zone, the length of groove depends on the size of blast furnace diameter, groove after burying underground fills to guarantee sealing with special packing material, guarantees the destruction of refractory brick is reached minimum.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the structural representation of the New-type thermocouple that provides of the utility model embodiment.
Embodiment
The purpose of this utility model provides a kind of New-type thermocouple; it can further improve the resistance to elevated temperatures of thermopair; and the protection thermopair does not weather; and this thermopair is combined with each other two kinds of different metals sleeve pipes; make its inside and outside two-layer sleeve pipe become an integral body closely; can utilize the continuous expansion of the metal interface blocking-up crystal boundary of two-layer unlike material body, give full play to the advantage separately of internal and external casing, thereby improve the combination property of sleeve pipe.The thermopair that the utility model provides is in the laying process, each transversal section refractory brick is left groove (width is 4-6mm) in the cupola well zone, the length of groove depends on the size of blast furnace diameter, groove after burying underground fills to guarantee sealing with special packing material, guarantees the destruction of refractory brick is reached minimum.
Below in conjunction with specific embodiment and accompanying drawing the utility model is elaborated:
Figure 1 shows that the structural representation of blast furnace special utility thermopair, comprise thermocouple wire 1, filler 2, internal layer protective casing 3, outer layer protection sleeve pipe 4, high temperature resistant sleeve pipe 5.
Wherein, the internal layer protective casing 3 outer outer layer protective sleeve pipes 4 that are set with; internal layer protective casing 3 and outer layer protection sleeve pipe 4 interference fit; at internal layer protective casing 3 inner chambers thermocouple wire 1 is housed; and fill filler 2 between internal layer protective casing 3 and the thermocouple wire 1, described filler is specifically as follows magnesium oxide, aluminium oxide etc.
The skin of the blast furnace special utility thermopair that the utility model provides is equipped with high temperature resistant sleeve pipe 5, tamps and seals with filler between thermopair and the high temperature resistant sleeve pipe 5, can further improve the resistance to elevated temperatures of galvanic couple like this, and the protection thermopair does not weather.The outer layer protection sleeve pipe adopts high temperature resistant, anti-carbonization, anti-oxidation metal.That the internal layer protective casing adopts is high temperature resistant, stretch-proof, anti-shearing metal.
In addition, the blast furnace special electric thermo-couple is combined with each other two kinds of different metals sleeve pipes, make its inside and outside two-layer integral body closely that becomes, can utilize the continuous expansion of the metal interface blocking-up crystal boundary of two-layer unlike material body, give full play to the advantage separately of internal and external casing, thereby improve the combination property of sleeve pipe.
Tamp and seal with filler between thermopair and the high temperature resistant sleeve pipe, can further improve the resistance to elevated temperatures of galvanic couple, and the protection thermopair does not weather.
And the New-type thermocouple that the utility model provides is in the laying process, each transversal section refractory brick is left groove (width is 4-6mm) in the cupola well zone, the length of groove depends on the size of blast furnace diameter, groove after burying underground fills to guarantee sealing with special packing material, guarantees the destruction of refractory brick is reached minimum.
Though the utility model with preferred embodiment openly as above, they are not to limit the utility model, and the content that protection domain of the present utility model should be defined with the application's claim protection domain is as the criterion.Anyly have the knack of the art person, in not breaking away from spirit and scope of the present utility model, various variations of doing or be equal to replacement all should belong to protection domain of the present utility model.
Claims (7)
1. New-type thermocouple; it is characterized in that; comprise: thermocouple wire, internal layer protective casing, outer layer protection sleeve pipe; wherein said internal layer protective casing is outside equipped with described outer layer protection sleeve pipe; described internal layer protective casing and described outer layer protection sleeve pipe are interference fit, and described internal layer protective casing inner chamber is equipped with described thermocouple wire.
2. a kind of New-type thermocouple as claimed in claim 1 is characterized in that, described thermopair also comprises filler, and described filler is filled between described internal layer protective casing and the described thermocouple wire.
3. a kind of New-type thermocouple as claimed in claim 2, it is characterized in that, the outside of described thermopair also is provided with high temperature resistant sleeve pipe, and the temperature-sensitive front end of described thermopair is provided with described high temperature resistant sleeve pipe, tamps and seals with described filler between described thermopair and the described high temperature resistant sleeve pipe.
4. a kind of New-type thermocouple as claimed in claim 1 is characterized in that, described outer layer protection sleeve pipe adopts high temperature resistant, anti-carbonization, anti-oxidation metal.
5. as claim 1 or 4 described a kind of New-type thermocouples, it is characterized in that that described internal layer protective casing adopts is high temperature resistant, stretch-proof, anti-shearing metal.
6. a kind of New-type thermocouple as claimed in claim 1; it is characterized in that; described thermopair adopts compound mode with described outer layer protection sleeve pipe and described internal layer protective casing, and makes described outer layer protection sleeve pipe and described internal layer protective casing become an integral body closely.
7. a kind of New-type thermocouple as claimed in claim 1 is characterized in that, described thermopair adopts compound sheathed structure, and the diameter of described thermopair is 4-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320088168.3U CN203069288U (en) | 2013-02-27 | 2013-02-27 | Novel thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320088168.3U CN203069288U (en) | 2013-02-27 | 2013-02-27 | Novel thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069288U true CN203069288U (en) | 2013-07-17 |
Family
ID=48768064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320088168.3U Expired - Lifetime CN203069288U (en) | 2013-02-27 | 2013-02-27 | Novel thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470408A (en) * | 2018-05-09 | 2019-11-19 | 特索纳有限责任两合公司 | Shield thermocouple |
-
2013
- 2013-02-27 CN CN201320088168.3U patent/CN203069288U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470408A (en) * | 2018-05-09 | 2019-11-19 | 特索纳有限责任两合公司 | Shield thermocouple |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
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| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Patents of Beijing Beike Yili Technology Co.,Ltd. The person in charge Document name: Notice of Patent Termination |