CN209264135U - Furnace of calcium carbide thermocouple probe and its thermocouple - Google Patents
Furnace of calcium carbide thermocouple probe and its thermocouple Download PDFInfo
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- CN209264135U CN209264135U CN201822236270.9U CN201822236270U CN209264135U CN 209264135 U CN209264135 U CN 209264135U CN 201822236270 U CN201822236270 U CN 201822236270U CN 209264135 U CN209264135 U CN 209264135U
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- thermocouple
- corundum
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- sapphire
- furnace
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Abstract
The utility model discloses a kind of furnace of calcium carbide thermocouple probe and its thermocouples, the thermocouple probe include before end closure armouring shell and the thermocouple wire that is arranged in armouring shell, wherein, the wear-resistant pipe that the armouring shell is successively socketed from outside to inside, alundum tube and sapphire pipe group, the temperature measuring point of the thermocouple wire front end is located at the outside of the sapphire pipe group, centre is serially connected in the sapphire pipe group, rear end is for connecting terminal box, the thermocouple includes the thermocouple probe and multi-stage sealed mechanism, with long service life, good airproof performance, the advantages of preventing leakage.
Description
Technical field
The utility model relates to Thermocouples Technology fields, more particularly to a kind of furnace of calcium carbide thermocouple probe and its thermoelectricity
It is even.
Background technique
Armoured thermocouple is usually mating with temperature transmitter, adjuster and display instrument etc. as sensor for measuring temperature
It uses, anabolic process control system, directly to measure or control fluid in various production processes within the scope of 0-1800 DEG C, steam
The temperature such as vapour and gas medium and the surface of solids.The operation in high-temperature acidic gaseous environment of the sheathed structure of pure metal material
When, armouring silk is easily corroded, the sheathed structure of pure ceramic material not wash away by mechanical, all haves the defects that certain, both materials
The armouring of matter is not suitable for furnace of calcium carbide.
Utility model content
The purpose of this utility model is not suitable in furnace of calcium carbide for the armouring of single material existing in the prior art
Environment, and provide a kind of furnace of calcium carbide thermocouple probe, which pops one's head in corrosion-resistant and resistance to erosion；
The another object of the utility model is to provide furnace of calcium carbide thermocouple, this thermocouple uses the electroheat pair of composite construction
Pop one's head in Multi-level sealing structure, have the advantages that it is good prevent reveal.
It is for technical solution used by realization the purpose of this utility model:
A kind of furnace of calcium carbide thermocouple probe, armouring shell including preceding end closure and the thermoelectricity being arranged in armouring shell
Thermo wires, wherein wear-resistant pipe, alundum tube, sapphire pipe and the sapphire inner tube that the armouring shell is successively socketed from outside to inside, institute
The temperature measuring point for stating thermocouple wire front end is located at outside the sapphire inner tube and is located in the sapphire pipe, the thermocouple wire
Centre is serially connected in the sapphire inner tube, and rear end is pierced by from the thermocouple probe.
In the above-mentioned technical solutions, the sapphire inner tube is the indigo plant formed that is connected together by least two sapphire bead strings
Jewel bead string.
In the above-mentioned technical solutions, ceramic fibre is filled in the gap that the wear-resistant pipe front end and alundum tube front end are formed
Felt.
In the above-mentioned technical solutions, magnesia powder is filled in the gap that the alundum tube and sapphire pipe are formed.
In the above-mentioned technical solutions, it is formed on each sapphire pearl logical there are two being passed through for the thermocouple wire
Hole.
The another aspect of the utility model, a kind of furnace of calcium carbide thermocouple, including the thermocouple probe, terminal box and
Interconnecting piece for being connected to the thermocouple probe in terminal box.
In the above-mentioned technical solutions, the interconnecting piece includes connecting sleeve and rear sealing structure, before the connecting sleeve
End connects the terminal box by the rear sealing structure for connecting the thermocouple probe, rear end, in which:
The connecting sleeve includes corundum outer protection tube, is in one knot with the alundum tube in the thermocouple probe from outside to inside
The corundum connecting tube of structure and corundum core for wearing the thermocouple wire, the front end of the corundum outer protection tube with it is described resistance to
The rear end of mill pipe is connected, and the front end of the corundum core is connected with the sapphire bead string.
In the above-mentioned technical solutions, the front end of the corundum outer protection tube and the rear end of the wear-resistant pipe are connected through a screw thread,
And the position that the front end of the corundum outer protection tube is connected with the rear end of the wear-resistant pipe is additionally provided with pad.
In the above-mentioned technical solutions, after described sealing structure include for seal the primary seal of the corundum connecting tube,
Three-level sealing for sealing the secondary seal of the corundum core and for sealing the thermocouple wire.
In the above-mentioned technical solutions, the rear end of the corundum outer protection tube is provided with tubular connection, the tubulose connection
Even head connector is connected through a screw thread outside the rear end of part, the idol head connector is connected in terminal box by locknut；
Manufacture has the first inner stopper in the tubular connection, and it is close to be embedded with alundum tube in first inner stopper
Packing, the alundum tube gasket compress female compress by the tetrafluoro being threadedly coupled with the tubular connection and realize and to institute
State primary seal and the support positioning of corundum connecting tube；
The tetrafluoro, which compresses back-end manufacturing in mother, the second inner stopper, is embedded in second inner stopper polytetrafluoroethylsealed sealed
Pad, the polytetrafluoroethylsealed sealed pad are pressed on the corundum company by compressing the sealing cold end connector that box thread is connect with the tetrafluoro
The rear end of adapter tube forms and positions to the secondary seal of the corundum core and support；
The rear end of the corundum core is inserted into the sealing cold end connector, filled with sealing in the sealing cold end connector
To form the three-level sealing to the thermocouple wire, the rearmost end of the thermocouple wire is connect glue with the terminal box.
Compared with prior art, the utility model has the beneficial effects that
1. the armouring that metal and Ceramic bond are formed has the advantages that acid resistance corrosion and mechanical are washed away, in furnace of calcium carbide
When the thermocouple probe of work uses metal armouring, the service life is generally 2 months, and the thermocouple service life of the sheathed structure is 6-
8 months.
It, can be according to the length of thermocouple probe, needed for rotating freely 2. the sapphire that sapphire bead string is formed protects structure
The number of sapphire pearl, convenient for being assembled into the thermocouple probe of different length.
3. the setting of multi-stage sealed mechanism can effectively prevent revealing, safety coefficient is high.
Detailed description of the invention
Fig. 1 show the structural schematic diagram (enlarged drawing of B in Fig. 2) of the thermocouple probe of the utility model.
Fig. 2 show the structural schematic diagram of the thermocouple of the utility model.
Fig. 3 show the structural schematic diagram (enlarged drawing of A in Fig. 2) of rear sealing structure.
In figure: 1- terminal box, 2- locknut, 3- idol head connector, 4- sealing cold end connector, 5- tetrafluoro compress mother, and 6- tetrafluoro is close
Packing, 7- alundum tube gasket, 8- corundum outer protection tube, 9- corundum core, 10- alundum tube, 11- sapphire pipe, 12- sapphire
Pearl, 13- wear-resistant pipe, 14- ceramic fiber blanket, 15- magnesia powder, 16- through-hole, 17- thermocouple wire, 18- corundum connecting tube, 19-
Connector, 20- temperature measuring point.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
Embodiment 1
Using the temperature measuring point of thermocouple probe as front end, using junction box part as rear end.
A kind of furnace of calcium carbide thermocouple probe, armouring shell including preceding end closure and the thermoelectricity being arranged in armouring shell
Thermo wires 17, wherein wear-resistant pipe 13, alundum tube 10, sapphire pipe 11 and the indigo plant that the armouring shell is successively socketed from outside to inside are precious
Stone inner tube, the temperature measuring point 20 of 17 front end of thermocouple wire are located at outside the sapphire inner tube and are located at the sapphire pipe 11
Interior, the centre of the thermocouple wire 17 is serially connected in the sapphire inner tube, and rear end is pierced by from the thermocouple probe.
Wear-resistant pipe 13 uses metal material, and alundum tube 10 is ceramic material, and the two, which combines, is greatly improved armouring shell
Wearability and corrosion resistance.Sapphire pipe 11 and sapphire inner tube have effects that double-layer wear-resistant.
It is preferred that the sapphire inner tube is the indigo plant treasured formed that is serially connected by least two sapphire pearls 12
Stone bead string.The structure that multiple sapphire pearls 12 are connected in series, can be in assembly, needed for freely being adjusted according to the length of thermocouple probe
The number of sapphire pearl 12.In addition, when thermocouple assembles vertically, the structure that the structure of a beading is compared to entire inner tube can be with
Reduce stress, effective protection thermocouple wire 17.
It is preferred that being filled with ceramic fibre in the gap that 13 front end of wear-resistant pipe and 10 front end of alundum tube are formed
Felt 14.The ceramic fiber blanket 14 is for the gap between seal wear-resistant pipe 13 and alundum tube 10.
It is preferred that being filled with magnesia powder 15 in the gap that the alundum tube 10 and sapphire pipe 11 are formed.Institute
Magnesia powder 15 is stated for sealing the gap between alundum tube 10 and sapphire pipe 11.
It is preferred that being formed on each sapphire pearl 12, there are two the through-holes passed through for the thermocouple wire 17
16.Sapphire pearl 12 is a solid pearl, is only simply formed with two through-holes 16 passed through for thermocouple wire 17 on the solid pearl.
Embodiment 2
Using thermocouple probe as front end, using terminal box as rear end.
A kind of furnace of calcium carbide thermocouple, from including thermocouple probe as described in Example 1, terminal box 1 and for by institute
State the interconnecting piece that thermocouple probe is connected in terminal box.Thermocouple probe described in embodiment 1 is assembled to by interconnecting piece
Entire thermocouple is formed in terminal box 1.
It is preferred that the interconnecting piece includes connecting sleeve and rear sealing structure, the front end of the connecting sleeve is used
The terminal box 1 is connected by rear sealing structure in connecting the thermocouple probe, rear end, in which:
The connecting sleeve includes that the alundum tube 10 in corundum outer protection tube 8 and the thermocouple probe is in one from outside to inside
The corundum connecting tube 18 of body structure and corundum core 9 for wearing the thermocouple wire 17, before the corundum outer protection tube 8
End is connected with the rear end of the wear-resistant pipe 13, and the front end of the corundum core 9 is connected with the sapphire bead string.Corundum knot
The connecting sleeve of structure has good corrosion resistant effect, and the periphery of the corundum outer protection tube 8 is used for mounting flange, passes through method
Blue disk assembles this thermocouple in furnace of calcium carbide.The length of wear-resistant pipe 13 is 300mm or so, the rear end of ring flange and wear-resistant pipe 13
Spacing is 100mm or so.The channel passed through there are two being formed in the corundum core 9 for the thermocouple wire 17.From sapphire
The thermocouple wire drawn in bead string enters in the channel of corundum core 9.
It is preferred that the front end of the corundum outer protection tube 8 and the rear end of the wear-resistant pipe 13 are connected through a screw thread, and
The position that the front end of the corundum outer protection tube 8 is connected with the rear end of the wear-resistant pipe 13 is additionally provided with pad.Be threadedly coupled and
Welding combines, better tightness.
It is preferred that sealing structure includes for sealing the primary seal of the corundum connecting tube 18, using after described
It is sealed in the secondary seal of the sealing corundum core 9 and the three-level for sealing the thermocouple wire 17.
The rear end of the corundum outer protection tube is provided with tubular connection 19, leads to outside the rear end of the tubular connection 19
It crosses and is threaded with even head connector 3, the idol head connector 3 is connected in terminal box 1 by locknut 2；
Manufacture has the first inner stopper in the tubular connection 19, is embedded with alundum tube in first inner stopper
Gasket 7, the alundum tube gasket 7 compress mother 5 by the tetrafluoro being threadedly coupled with the tubular connection 19 and compress in fact
Existing and primary seal and support positioning to the corundum connecting tube 18；
The tetrafluoro, which compresses back-end manufacturing in mother 5, the second inner stopper, is embedded in second inner stopper polytetrafluoroethylsealed sealed
Pad 6, the polytetrafluoroethylsealed sealed pad 6 are pressed on described rigid by the sealing cold end connector 4 being threadedly coupled with the tetrafluoro compression mother 5
The rear end of beautiful connecting tube 18 forms and positions to the secondary seal of the corundum core 9 and support；
The rear end of the corundum core 9 is inserted into the sealing cold end connector 4, is filled in the sealing cold end connector 4
To form the three-level sealing to the thermocouple wire 17, the rearmost end of the thermocouple wire 17 and the terminal box 1 connect sealant
It connects.
In the seal assembly, alundum tube gasket 7 plays the role of sealing corundum connecting tube 18, so that wear-resistant pipe 13 is sent out
It when raw abrasion, will not reveal, polytetrafluoroethylsealed sealed pad 6 plays the role of sealing corundum core 9, so that when alundum tube 10 is worn
It will not reveal, the sealing is played the role of sealing thermocouple wire 17, so that sapphire pipe 11 will not be revealed when wearing.
The spatially relative terms such as "upper", "lower", "left", "right" have been used in embodiment for ease of explanation, have been used for
Relationship of the elements or features relative to another elements or features shown in explanatory diagram.It should be understood that in addition to figure
Shown in except orientation, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device be squeezed, the element for being stated as being located at other elements or feature "lower" will be located into other elements or feature "upper".
Therefore, exemplary term "lower" may include both upper and lower orientation.Device, which can be positioned in other ways, (to be rotated by 90 ° or position
In other orientation), it can be interpreted accordingly used herein of the opposite explanation in space.
Moreover, the relational terms of such as " first " and " second " or the like are used merely to one with another with identical
The component of title distinguishes, without necessarily requiring or implying between these components there are any this actual relationship or
Sequentially.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (11)
1. a kind of furnace of calcium carbide thermocouple probe, which is characterized in that armouring shell and setting including preceding end closure are outside armouring
Thermocouple wire in shell, wherein wear-resistant pipe, alundum tube, sapphire pipe and the indigo plant that the armouring shell is successively socketed from outside to inside
Jewel inner tube, the temperature measuring point of the thermocouple wire front end are located at outside the sapphire inner tube and are located in the sapphire pipe, institute
The centre for stating thermocouple wire is serially connected in the sapphire inner tube, and rear end is pierced by from the thermocouple probe.
2. furnace of calcium carbide thermocouple probe as described in claim 1, which is characterized in that the sapphire inner tube is by least two
A sapphire bead string is connected together the sapphire bead string to be formed.
3. furnace of calcium carbide thermocouple probe as described in claim 1, which is characterized in that before the wear-resistant pipe front end and alundum tube
It holds and is filled with ceramic fiber blanket in the gap formed.
4. furnace of calcium carbide thermocouple probe as described in claim 1, which is characterized in that the alundum tube and sapphire pipe are formed
Gap in be filled with magnesia powder.
5. furnace of calcium carbide thermocouple probe as claimed in claim 2, which is characterized in that be formed on each sapphire pearl
Two through-holes passed through for the thermocouple wire.
6. a kind of furnace of calcium carbide thermocouple, which is characterized in that including the thermocouple as described in any one of claim 1 or 3 or 4
Probe, terminal box and the interconnecting piece for being connected to the thermocouple probe in terminal box.
7. a kind of furnace of calcium carbide thermocouple, which is characterized in that including thermocouple probe as claimed in claim 2, terminal box and
Interconnecting piece for being connected to the thermocouple probe in terminal box.
8. furnace of calcium carbide thermocouple as claimed in claim 7, which is characterized in that the interconnecting piece includes connecting sleeve and rear close
The front end of seal structure, the connecting sleeve connects institute by the rear sealing structure for connecting the thermocouple probe, rear end
State terminal box, in which:
The connecting sleeve includes that the alundum tube in corundum outer protection tube and the thermocouple probe is in integral structure from outside to inside
Corundum connecting tube and corundum core for wearing the thermocouple wire, the front end of the corundum outer protection tube and the wear-resistant pipe
Rear end be connected, the front end of the corundum core is connected with the sapphire bead string.
9. furnace of calcium carbide thermocouple as claimed in claim 8, which is characterized in that the front end of the corundum outer protection tube with it is described resistance to
The rear end of mill pipe is connected through a screw thread, and the position that the front end of the corundum outer protection tube is connected with the rear end of the wear-resistant pipe is also
Equipped with pad.
10. furnace of calcium carbide thermocouple as claimed in claim 8, which is characterized in that sealing structure includes for sealing after described
The primary seal of the corundum connecting tube, the secondary seal for sealing the corundum core and for sealing the thermocouple wire
Three-level sealing.
11. furnace of calcium carbide thermocouple as claimed in claim 10, which is characterized in that the rear end of the corundum outer protection tube is arranged
There is tubular connection, even head connector has been connected through a screw thread outside the rear end of the tubular connection, the idol head connector passes through
Locknut is connected in terminal box；
Manufacture has the first inner stopper in the tubular connection, and alundum tube sealing is embedded in first inner stopper
Pad, the alundum tube gasket compress female compress by the tetrafluoro being threadedly coupled with the tubular connection and realize and to described
The primary seal of corundum connecting tube and support positioning；
The tetrafluoro, which compresses back-end manufacturing in mother, the second inner stopper, and polytetrafluoroethylsealed sealed pad, institute are embedded in second inner stopper
The polytetrafluoroethylsealed sealed pad stated is pressed on the corundum connecting tube by compressing the sealing cold end connector that box thread is connect with the tetrafluoro
Rear end, formed and the secondary seal of the corundum core and support positioned；
The rear end of the corundum core is inserted into the sealing cold end connector, in the sealing cold end connector filled with sealant with
It is formed and the three-level of the thermocouple wire is sealed, the rearmost end of the thermocouple wire is connect with the terminal box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822236270.9U CN209264135U (en) | 2018-12-28 | 2018-12-28 | Furnace of calcium carbide thermocouple probe and its thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822236270.9U CN209264135U (en) | 2018-12-28 | 2018-12-28 | Furnace of calcium carbide thermocouple probe and its thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209264135U true CN209264135U (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822236270.9U Active CN209264135U (en) | 2018-12-28 | 2018-12-28 | Furnace of calcium carbide thermocouple probe and its thermocouple |
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| CN (1) | CN209264135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543544A (en) * | 2020-11-18 | 2022-05-27 | 北京石墨烯研究院 | Tube furnace temperature measuring device |
-
2018
- 2018-12-28 CN CN201822236270.9U patent/CN209264135U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543544A (en) * | 2020-11-18 | 2022-05-27 | 北京石墨烯研究院 | Tube furnace temperature measuring device |
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