CN209841224U - Special thermocouple of carbon element factory flame path - Google Patents
Special thermocouple of carbon element factory flame path Download PDFInfo
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- CN209841224U CN209841224U CN201920552499.5U CN201920552499U CN209841224U CN 209841224 U CN209841224 U CN 209841224U CN 201920552499 U CN201920552499 U CN 201920552499U CN 209841224 U CN209841224 U CN 209841224U
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Abstract
The utility model discloses a thermocouple special for a carbon plant flame path, which comprises a thermocouple element, an insulating tube, an alloy tube, an installation fixing plate and a junction box; an insulating tube is arranged on the outer side of the thermocouple element, an alloy tube is arranged on the outer side of the insulating tube, an installation fixing plate is arranged on the alloy tube, the alloy tube is fixedly connected with a junction box, and the thermocouple element is connected in the junction box; the alloy pipe is divided into an upper alloy pipe and a lower alloy pipe, a protection pipe is arranged between the upper alloy pipe and the lower alloy pipe, and the installation fixing plate is positioned below the protection pipe; the protective tube is a double-layer protective tube, the protective tube comprises an inner protective tube and an outer protective tube, the outer protective tube is arranged on the periphery of the inner protective tube, a heat dissipation gap is reserved between the inner protective tube and the outer protective tube, and heat dissipation holes are formed in the inner protective tube and the outer protective tube. The electric thermocouple of the utility model can be used for the flame path of the carbon plant, and has high heat-resisting temperature; the heat dissipation protection is effective, and the service life is prolonged to 6 months; meanwhile, the replacement is convenient.
Description
Technical Field
The invention relates to the field of thermocouples, in particular to a thermocouple special for a flame path of a carbon plant.
Background
The thermocouple specially for carbon plant flame path is used widely in long term temperature measurement of carbon roaster flame path, and is especially suitable for old furnace type automatic combustion control system. At present, a high-temperature alloy material with high temperature resistance and oxidation resistance is adopted to manufacture an outer pipe and a lining ceramic pipe to form a composite pipe structure, a temperature sensing element is assembled and has 2 types of ceramic pipes, but the use period is short (1-3 months) due to the fact that the temperature of a roasting furnace is high, and meanwhile, due to the integrated design, online replacement cannot be achieved, and resource waste is caused.
Disclosure of Invention
In order to solve the problems, the invention discloses a thermocouple special for a flame path of a carbon plant, and the thermocouple well solves the problems through the improvement of the structure.
In order to achieve the above purpose, the invention provides the following technical scheme:
a thermocouple special for a carbon plant flame path comprises a thermocouple element, an insulating tube, an alloy tube, an installation fixing plate and a junction box; an insulating tube is arranged on the outer side of the thermocouple element, an alloy tube is arranged on the outer side of the insulating tube, an installation fixing plate is arranged on the alloy tube, the alloy tube is fixedly connected with a junction box, and the thermocouple element is connected in the junction box; the alloy pipe is divided into an upper alloy pipe and a lower alloy pipe, a protection pipe is arranged between the upper alloy pipe and the lower alloy pipe, and the installation fixing plate is positioned below the protection pipe; the protection tube is a double-layer protection tube, the protection tube comprises an inner protection tube and an outer protection tube, the outer protection tube is arranged on the periphery of the inner protection tube, a heat dissipation gap is reserved between the inner protection tube and the outer protection tube, and heat dissipation holes are formed in the inner protection tube and the outer protection tube.
Furthermore, the upper alloy pipe, the lower alloy pipe and the protection pipe are in threaded connection.
Furthermore, the arrangement positions of the heat dissipation holes in the outer protection cylinder are staggered with the arrangement positions of the heat dissipation holes in the inner protection cylinder. The radiating holes on the inner and outer protection cylinders are not on the same horizontal line and are arranged in a staggered manner, so that the radiating holes of the inner protection cylinder, the radiating gaps and the radiating holes of the outer protection cylinder form a circulation channel, and the radiating effect is good.
Furthermore, the heat dissipation holes in the outer protection cylinder are positioned above the heat dissipation holes in the inner protection cylinder.
Further, the insulating tube is an insulating ceramic tube.
Further, the thermocouple is an armored thermocouple. And the armor type is adopted, core pulling can be performed, and online replacement is realized.
The invention has the following advantages:
1. the electric thermocouple of the invention can be used for the flame path of a carbon plant and has high heat-resistant temperature.
2. The invention adopts the structure of the protective tube, so that the heat dissipation is effectively protected, and the service life is prolonged to 6 months; meanwhile, the replacement is convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an alloy tube of the present invention.
Wherein: thermocouple element 1, insulating tube 2, alloy tube 3, mounting fixing plate 4, junction box 5, upper alloy tube 31, lower alloy tube 32, protection tube 33, inner protection cylinder 331, outer protection cylinder 332, heat dissipation gap 333, heat dissipation hole 334.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
Example 1
As shown in fig. 1 and 2, the thermocouple specially used for the carbon plant flame path comprises a thermocouple element 1, an insulating tube 2, an alloy tube 3, a mounting fixing plate 4 and a junction box 5; the outer side of the thermocouple element is provided with an insulating tube, the outer side of the insulating tube is provided with an alloy tube, the alloy tube is provided with a mounting fixing plate, and the alloy tube is fixedly connected with a junction box. The fixing plate and the flame path are installed on the temperature detection port of the temperature to be detected, so that the installation and the use are convenient, and the installation is stable.
The thermocouple element is connected in the junction box; the alloy pipe is divided into an upper alloy pipe 31 and a lower alloy pipe 32, a protection pipe 33 is arranged between the upper alloy pipe and the lower alloy pipe, and the installation fixing plate is positioned below the protection pipe; the protection tube is a double-layer protection tube, and comprises an inner protection barrel 331 and an outer protection barrel 332, the outer protection barrel is arranged on the periphery of the inner protection barrel, a heat dissipation gap 333 is reserved between the inner protection barrel and the outer protection barrel, and heat dissipation holes 334 are formed in the inner protection barrel and the outer protection barrel.
In the embodiment, the upper alloy pipe, the lower alloy pipe and the protection pipe are connected through threads.
In this embodiment, the positions of the heat dissipation holes in the outer protection cylinder are staggered from the positions of the heat dissipation holes in the inner protection cylinder. The radiating holes on the inner and outer protection cylinders are not on the same horizontal line and are arranged in a staggered manner, so that the radiating holes of the inner protection cylinder, the radiating gaps and the radiating holes of the outer protection cylinder form a circulation channel, and the radiating effect is good.
In this embodiment, the heat dissipation holes on the outer protection cylinder are located above the heat dissipation holes on the inner protection cylinder.
In this embodiment, the insulating tube is an insulating ceramic tube.
In the present embodiment, the thermocouple is an armored thermocouple. And the armor type is adopted, core pulling can be performed, and online replacement is realized.
Example 2
Embodiment 1 a method for installing a thermocouple specifically for use in a flue of a carbon plant, including steps of manufacturing a thermocouple element, manufacturing a high temperature oxidation resistant alloy tube, welding an installation fixing plate to the alloy tube 2, disposing an insulating tube around the thermocouple element 1, placing the thermocouple element into the alloy tube 2, and connecting the thermocouple element to a junction box 4.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (5)
1. A special thermocouple of carbon element factory flame path which characterized in that: comprises a thermocouple element, an insulating tube, an alloy tube, an installation fixing plate and a junction box; an insulating tube is arranged on the outer side of the thermocouple element, an alloy tube is arranged on the outer side of the insulating tube, an installation fixing plate is arranged on the alloy tube, the alloy tube is fixedly connected with a junction box, and the thermocouple element is connected in the junction box; the alloy pipe is divided into an upper alloy pipe and a lower alloy pipe, a protection pipe is arranged between the upper alloy pipe and the lower alloy pipe, and the installation fixing plate is positioned below the protection pipe; the protection tube is a double-layer protection tube, the protection tube comprises an inner protection tube and an outer protection tube, the outer protection tube is arranged on the periphery of the inner protection tube, a heat dissipation gap is reserved between the inner protection tube and the outer protection tube, and heat dissipation holes are formed in the inner protection tube and the outer protection tube.
2. The special thermocouple for the carbon plant flame path as claimed in claim 1, wherein: the upper alloy pipe, the lower alloy pipe and the protection pipe are in threaded connection.
3. The special thermocouple for the carbon plant flame path as claimed in claim 1, wherein: the arrangement positions of the heat dissipation holes on the outer protection cylinder are staggered with those of the heat dissipation holes on the inner protection cylinder.
4. The special thermocouple for the carbon plant flame path as claimed in claim 3, wherein: the heat dissipation holes in the outer protection cylinder are positioned above the heat dissipation holes in the inner protection cylinder.
5. The special thermocouple for the carbon plant flame path as claimed in claim 1, wherein: the thermocouple is an armored thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920552499.5U CN209841224U (en) | 2019-04-23 | 2019-04-23 | Special thermocouple of carbon element factory flame path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920552499.5U CN209841224U (en) | 2019-04-23 | 2019-04-23 | Special thermocouple of carbon element factory flame path |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209841224U true CN209841224U (en) | 2019-12-24 |
Family
ID=68913033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920552499.5U Active CN209841224U (en) | 2019-04-23 | 2019-04-23 | Special thermocouple of carbon element factory flame path |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209841224U (en) |
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2019
- 2019-04-23 CN CN201920552499.5U patent/CN209841224U/en active Active
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