CN218156544U - Temperature sensing device in high-temperature heating furnace - Google Patents
Temperature sensing device in high-temperature heating furnace Download PDFInfo
- Publication number
- CN218156544U CN218156544U CN202121888355.0U CN202121888355U CN218156544U CN 218156544 U CN218156544 U CN 218156544U CN 202121888355 U CN202121888355 U CN 202121888355U CN 218156544 U CN218156544 U CN 218156544U
- Authority
- CN
- China
- Prior art keywords
- thermocouple
- temperature
- furnace
- sleeve pipe
- interior sleeve
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model provides a temperature sensing device in hot stove of high temperature, including outer tube, interior sleeve pipe, thermocouple and plug, interior sleeve pipe suit in the outer tube, the thermocouple hold in interior sleeve pipe in and through the wire with plug electric connection, it has the insulator to fill between interior sleeve pipe and the thermocouple. Adopt the technical scheme of the utility model, adopt interior sleeve pipe and outer tube bilayer structure to go on the thermocouple to through adopting electric smelting technology to make magnesium oxide with the thermocouple is dissolved and is cast integratively, makes the thermocouple surface all around wrapped up completely, has promoted the protecting effect to the metal material that ductility is better is chooseed for use to materials such as outer tube, insulators, is difficult for appearing the fracture after being heated, is favorable to prolonging its life, reduces the change frequency of thermocouple, has reduced the maintenance cost in the use.
Description
Technical Field
The utility model relates to a measuring device technical field especially indicates a temperature sensing device in hot stove of high temperature.
Background
The present invention relates to a method for heating components or raw materials of products by using various high temperature heating furnaces in various industrial enterprises, and more particularly, to a method for heating components or raw materials of products by using various high temperature heating furnaces, which is characterized in that the components or raw materials of products are heated, for example, when being subjected to heat treatment, the components need to be heated to more than 1000 ℃, the temperatures in the high temperature heating furnaces are extremely high, in order to measure and control the temperatures in the high temperature heating furnaces, the installation structure of corresponding temperature sensors needs to be improved, so that the components or raw materials of the products can resist high temperatures, most of the existing temperature sensors cannot resist high temperatures, in order to resist high temperatures, in the prior art, a protective sleeve is usually wrapped on the outer surface of the temperature sensors, and the material of the protective sleeve is made of high temperature resistant ceramics, however, the ceramic materials are easily cracked or even broken under high temperature conditions, so that the temperature sensors are burnt, the measurement and the control of the temperatures in the high temperature heating furnaces are affected, and the protective sleeve made of the ceramic materials is inconvenient to be assembled and disassembled, and the application cost is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a temperature sensing device in hot stove of high temperature.
The utility model discloses a following technical scheme can realize.
The utility model provides a temperature sensing device in hot stove of high temperature, including outer tube, interior sleeve pipe, thermocouple and plug, interior sleeve pipe suit in the outer tube, the thermocouple hold in interior sleeve pipe in and through the wire with plug electric connection, it has the insulator to fill between interior sleeve pipe and the thermocouple.
The insulator is made of magnesium oxide, and the magnesium oxide and the thermocouple are integrally cast in a melting mode through an electric melting process.
And an end plug is also arranged at the opening of the outer sleeve or the inner sleeve.
The material of the end sealing plug is platinum rhodium platinum.
The thermocouple is an S-shaped thermocouple.
The inner sleeve is made of non-metal.
The outer sleeve is made of stainless steel.
The temperature sensing device in the high-temperature hot-pressing furnace is suitable for a hot isostatic pressing furnace or a high-temperature durable furnace.
The beneficial effects of the utility model reside in that: adopt the technical scheme of the utility model, adopt interior sleeve pipe and outer tube bilayer structure to go on the thermocouple to through adopting electric smelting technology make magnesium oxide with the thermocouple is dissolved and is cast as an organic whole, makes the thermocouple surface all around wrapped up completely, has promoted the protecting effect to the metal material that ductility is better is chooseed for use to materials such as outer tube, insulator, is difficult for appearing the fracture after being heated, is favorable to prolonging its life, reduces the change frequency of thermocouple, has reduced the maintenance cost in the use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-outer sleeve, 2-inner sleeve, 3-thermocouple, 4-plug, 5-lead, 6-insulator and 7-end sealing plug.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, the utility model provides a temperature sensing device in hot stove of high temperature, including outer tube 1, interior sleeve pipe 2, thermocouple 3 and plug 4, interior sleeve pipe 2 suit is in outer tube 1, and thermocouple 3 holds in interior sleeve pipe 2 and through wire 5 and plug 4 electric connection, and it has insulator 6 to fill between interior sleeve pipe 2 and the thermocouple 3.
Further, the material of the insulator 6 is preferably magnesium oxide, and the magnesium oxide and the thermocouple 3 are melted and cast into a whole by adopting an electric melting process. The electric smelting process adopts natural high-quality magnesite, brucite, light-burned magnesia, dead-burned magnesia, seawater magnesia and the like as raw materials, and adopts a three-phase arc furnace, wherein the temperature is controlled to be more than 2800 ℃, so that the magnesia is molten and then condensed into a solid state, is an alkaline oxide, has the general property of the alkaline oxide and belongs to a cementing material. Is white or grey white powder, odorless, tasteless and nontoxic, and is a typical alkaline earth metal oxide, with the chemical formula of MgO. The melting point is 2852 ℃ and the boiling point is 3600 ℃, so that the magnesium oxide has extremely excellent high-temperature resistance, and in addition, the magnesium oxide has high fireproof and insulating properties. Burning at 1000 deg.C to convert into crystal, and heating to 1500-2000 deg.C to obtain dead-burned magnesia or sintered magnesia.
In addition, a sealing end plug 7 is arranged at the pipe orifice of the outer sleeve 1 or the inner sleeve 2. The material of the end plug 7 is platinum rhodium platinum. Platinum rhodium platinum is a platinum-based rhodium-containing binary alloy that is a continuous solid solution at high temperatures. Rhodium can improve the thermoelectric potential, oxidation resistance and acid corrosion resistance of the alloy to platinum. There are alloys such as PtRh5, ptRhl0, ptRhl3, ptRh30 and PtRh 40. Greater than 20% Rh, the alloy is insoluble in aqua regia. And (4) smelting by using a high-frequency furnace or an intermediate frequency furnace under the protection of argon. The alloy containing 20% or less of Rh can be cold-worked into a product; an alloy containing more than 20% of Rh is formed into a material by hot working and cold working; the PtRh70 alloy is all hot worked into a material. Platinum-rhodium-platinum has excellent high-temperature resistance, and is a metal alloy material, so that the platinum-rhodium-platinum alloy has good ductility and is not easy to break when used under high-temperature conditions.
Further, it is preferable that the thermocouple 3 is an S-type thermocouple 3. The material of the inner jacket tube 2 is non-metallic. The outer sleeve 1 is made of stainless steel. The temperature sensing device in the high-temperature hot isostatic pressing furnace is suitable for a hot isostatic pressing furnace or a high-temperature durable furnace.
Adopt the technical scheme of the utility model, adopt interior sleeve pipe and outer tube bilayer structure to go on the thermocouple to make magnesium oxide and thermocouple melt through adopting electric smelting technology and cast as an organic whole, make the thermocouple surface all around wrap up completely, promoted the protecting effect, and the material such as outer tube, insulator chooses for use the metal material that ductility is better, is difficult for appearing the fracture after being heated, is favorable to prolonging its life, reduces the change frequency of thermocouple, has reduced the maintenance cost in the use.
Claims (8)
1. A temperature sensing device in a high-temperature heating furnace is characterized in that: the thermocouple comprises an outer sleeve (1), an inner sleeve (2), a thermocouple (3) and a plug (4), wherein the inner sleeve (2) is sleeved in the outer sleeve (1), the thermocouple (3) is accommodated in the inner sleeve (2) and is electrically connected with the plug (4) through a lead (5), and an insulator (6) is filled between the inner sleeve (2) and the thermocouple (3).
2. The temperature sensing apparatus in a high temperature furnace of claim 1, wherein: the insulator (6) is made of magnesium oxide, and the magnesium oxide and the thermocouple (3) are melted and cast into a whole by adopting an electric melting process.
3. The apparatus for sensing temperature within a high temperature furnace of claim 1 wherein: and the pipe orifice of the outer sleeve (1) or the inner sleeve (2) is also provided with an end sealing plug (7).
4. The apparatus for sensing temperature within a high temperature furnace of claim 3 wherein: the material of the end sealing plug (7) is platinum, rhodium and platinum.
5. The apparatus for sensing temperature within a high temperature furnace of claim 1 wherein: the thermocouple (3) is an S-shaped thermocouple (3).
6. The apparatus for sensing temperature within a high temperature furnace of claim 1 wherein: the material of the inner sleeve (2) is non-metal.
7. The temperature sensing apparatus in a high temperature furnace of claim 1, wherein: the outer sleeve (1) is made of stainless steel.
8. The apparatus for sensing temperature within a high temperature furnace of claim 1 wherein: the temperature sensing device in the high-temperature hot-pressing furnace is suitable for a hot isostatic pressing furnace or a high-temperature durable furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121888355.0U CN218156544U (en) | 2021-08-10 | 2021-08-10 | Temperature sensing device in high-temperature heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121888355.0U CN218156544U (en) | 2021-08-10 | 2021-08-10 | Temperature sensing device in high-temperature heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218156544U true CN218156544U (en) | 2022-12-27 |
Family
ID=84549099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121888355.0U Active CN218156544U (en) | 2021-08-10 | 2021-08-10 | Temperature sensing device in high-temperature heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218156544U (en) |
-
2021
- 2021-08-10 CN CN202121888355.0U patent/CN218156544U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101892434A (en) | Ultra-high temperature electrothermal alloy and preparation method thereof | |
| CA2807856C (en) | Device for measuring the temperature in molten metal | |
| CN101597700A (en) | The additive and the methods for making and using same thereof that are used for smelting aluminium alloy | |
| CN103184357B (en) | Method of non-vacuum melting and casting copper-chromium-zirconium alloy | |
| GB2498610A (en) | Distillation equipment for producing sponge titanium | |
| CN218156544U (en) | Temperature sensing device in high-temperature heating furnace | |
| CN208532948U (en) | A kind of fused salt electrolysis apparatus preparing titanium silicon | |
| CN106567004A (en) | Electric heating material for tempered glass furnace and preparation method thereof | |
| CN202442590U (en) | Crucible type high-temperature salt-bath heat-treatment electric furnace | |
| CN206208000U (en) | A kind of electromagnetic induction aluminium melting furnace | |
| CN104894525B (en) | One kind is for vacuum magnetic-control sputtering platinum-rhodium alloy target and preparation method thereof | |
| CN202066345U (en) | Smelting furnace suitable for copper alloy furnace liner | |
| JP2006242601A (en) | Probe device for temperature measurement | |
| JP4384727B2 (en) | Manufacturing method of heat-resistant molded parts | |
| CN206420314U (en) | One kind can temperature control crucible | |
| CN206244636U (en) | A kind of top insertion electrode for heat top kiln | |
| WO2011027858A1 (en) | Copper alloy and method for producing same | |
| JP7342626B2 (en) | Temperature measurement equipment | |
| CA2384211A1 (en) | Refractory nozzle | |
| CN102206085A (en) | Novel furnace lining material used for smelting copper alloy and preparation method thereof | |
| CN220083657U (en) | Roasting furnace for high-titanate slag | |
| Mansurov et al. | Carbonaceous refractory materials on SHS-technology | |
| CN107449278B (en) | A kind of crucible type aluminium alloy melting furnace | |
| JPS6058296B2 (en) | heat resistant material | |
| CN106517737A (en) | Top-inserted electrode for hot top kiln |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |