CN220380625U - Thermocouple for measuring temperature of fused salt furnace hearth - Google Patents
Thermocouple for measuring temperature of fused salt furnace hearth Download PDFInfo
- Publication number
- CN220380625U CN220380625U CN202321411765.5U CN202321411765U CN220380625U CN 220380625 U CN220380625 U CN 220380625U CN 202321411765 U CN202321411765 U CN 202321411765U CN 220380625 U CN220380625 U CN 220380625U
- Authority
- CN
- China
- Prior art keywords
- thermocouple
- protection tube
- outer loop
- molten salt
- loop platform
- 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
- 150000003839 salts Chemical class 0.000 title claims abstract description 31
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 5
- 238000005299 abrasion Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910000510 noble metal Inorganic materials 0.000 description 3
- PXXKQOPKNFECSZ-UHFFFAOYSA-N platinum rhodium Chemical compound [Rh].[Pt] PXXKQOPKNFECSZ-UHFFFAOYSA-N 0.000 description 3
- LIXXICXIKUPJBX-UHFFFAOYSA-N [Pt].[Rh].[Pt] Chemical compound [Pt].[Rh].[Pt] LIXXICXIKUPJBX-UHFFFAOYSA-N 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000629 Rh alloy Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model relates to the technical field of molten salt furnace temperature measurement, in particular to a thermocouple for measuring the temperature of a hearth of a molten salt furnace. The utility model has reasonable and compact structure, the protection tube can protect the thermocouple body, prevent molten salt in the molten salt furnace from being attached to the outer side of the measuring section of the thermocouple body for a long time, so that the thermocouple measuring section is deformed and damaged, and the maintenance cost can be reduced.
Description
Technical Field
The utility model relates to the technical field of molten salt furnace temperature measurement, in particular to a thermocouple for measuring the temperature of a hearth of a molten salt furnace.
Background
The platinum rhodium thermocouple series is a noble metal thermocouple. The diameter of the coupling wire is regulated to be 0.5mm, the allowable deviation is-0.015 mm, the nominal chemical composition of the positive electrode (RP) is platinum-rhodium alloy, rhodium is contained in the alloy and is 10%, platinum is contained in the alloy and is 90%, the negative electrode (RN) is pure platinum, the maximum long-term use temperature is 1300 ℃, and the maximum short-term use temperature is 1600 ℃.
The platinum-rhodium thermocouple series has the advantages of highest accuracy, best stability, wide temperature measuring area, long service life and the like in the thermocouple series. The material has good physical and chemical properties, thermoelectric stability and oxidation resistance at high temperature, and is suitable for oxidizing and inert atmospheres.
The furnace chamber temperature of the molten salt furnace uses an S-shaped platinum-rhodium-platinum noble metal thermocouple, and the thermowell is made of ceramic. However, in the actual use process, there are mainly problems: 1. the temperature in the molten salt furnace is too high, the thermocouple is frequently damaged due to the influence of high temperature, and the thermowell is easy to break and damage, so that the metal wire in the thermocouple measuring section directly contacts with the high-temperature molten salt to generate faults; 2. the material of the thermowell does not meet the use requirement of the current technology, and the ceramic material is easy to embrittle when meeting Gao Wenhou; 3. the thermowell measurement section is not wear resistant and is prone to failure.
Disclosure of Invention
The utility model provides a thermocouple for measuring the temperature of a fused salt furnace hearth, which overcomes the defects of the prior art, and can effectively solve the problem that the measuring end of an S-shaped platinum-rhodium-platinum noble metal thermocouple for measuring the temperature of the fused salt furnace hearth is not wear-resistant and is easy to fail.
The technical scheme of the utility model is realized by the following measures: the utility model provides a thermocouple for molten salt furnace temperature measurement, includes thermocouple body, protection tube and outer loop platform, and thermocouple body measurement section outside fixed mounting has the protection tube, and protection tube lower extreme fixed mounting has upper end opening lower extreme confined tubular wear-resisting pipe, and the wear-resisting pipe outside is equipped with the wearing layer, and protection tube upper portion outside fixed mounting has outer loop platform, and outer loop platform upper end has a plurality of mounting hole that link up from top to bottom along circumference interval equipartition, and outer loop platform lower extreme face is equipped with the annular, and the tight cover is equipped with the heat insulating pad that the lower extreme is located outer loop platform below in the annular.
The following are further optimizations and/or improvements to the above-described inventive solution:
the thickness of the protective tube may be 7mm to 10mm.
The section of the protective tube can be in a spindle shape with two narrow sides and a wide middle.
The length of the wear-resistant pipe can be 20cm to 50cm.
The utility model has reasonable and compact structure, the protection tube can protect the thermocouple body, prevent molten salt in the molten salt furnace from being attached to the outer side of the measuring section of the thermocouple body for a long time, so that the thermocouple measuring section is deformed and damaged, and the maintenance cost can be reduced.
Drawings
Fig. 1 is a schematic view of a partially sectioned structure from the front view of the first embodiment.
Fig. 2 is a schematic top sectional view of a protective tube according to a third embodiment.
The codes in the drawings are respectively: the thermocouple comprises a thermocouple body 1, a protection tube 2, an outer ring platform 3, a mounting hole 4, a heat insulation pad 5, a wear-resistant tube 6 and a wear-resistant layer 7.
Detailed Description
The present utility model is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situations of the present utility model.
In the present utility model, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of the front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The utility model is further described below with reference to examples and figures:
embodiment one: as shown in figure 1, this thermocouple for molten salt furnace temperature measurement includes thermocouple body 1, protection tube 2 and outer loop platform 3, thermocouple body 1 measurement section outside fixed mounting has protection tube 2, protection tube 2 lower extreme fixed mounting has upper end open-ended lower extreme confined tubular wear-resisting pipe 6, wear-resisting pipe 6 outside is equipped with wearing layer 7, protection tube 2 upper portion outside fixed mounting has outer loop platform 3, outer loop platform 3 upper end has a plurality of mounting hole 4 that link up from top to bottom along circumference interval equipartition, outer loop platform 3 lower extreme face is equipped with the annular, tightly the cover is equipped with the insulating pad 5 that the lower extreme is located outer loop platform 3 below in the annular.
According to the requirement, the material of the protection tube 2 and the material of the wear-resistant layer 7 can be the prior known heat-resistant alloy, and the protection tube 2 is not easy to be fragile and broken relative to the ceramic material. In the use, through setting up protection tube 2, can protect thermocouple body 1, prevent that the fused salt in the fused salt stove from attaching in the measuring section outside of thermocouple body 1 for a long time and leading to the measuring section of thermocouple body 1 to take place to warp and damage, can reduce maintenance cost, through setting up wearing layer 7, can reduce the risk that the measuring section was damaged when fused salt flows in by the fused salt stove, through setting up outer loop platform 3 and heat insulating pad 5, can avoid being scalded by the high temperature gas in the fused salt stove when the installation, reduce the safe risk, the utility model is rational in infrastructure and compact, convenient to use, and has safe, laborsaving, simple and convenient, efficient characteristics.
The thermocouple for measuring the temperature of the hearth of the molten salt furnace can be further optimized or/and improved according to actual needs:
embodiment two: as an optimization of the above embodiment, the thickness of the protection tube 2 is 7mm to 10mm as shown in fig. 1. The thickness of the protective tube 2 may be 8mm, as required. In the use process, through the arrangement, the high temperature resistance of the protection tube 2 can be further improved, and the thermocouple body 1 is prevented from being damaged.
Embodiment III: as an optimization of the above embodiment, as shown in fig. 1 and 2, the cross section of the protection tube 2 is in a spindle shape with two narrow sides and a wide middle. In the use, through such setting, install the thermocouple on the molten salt stove after, the molten salt can flow to the outside that the middle part is wider along the narrower outside of protection tube 2 lower part, then flow to the narrower outside in protection tube 2 upper portion, the streamline outline of thermocouple can avoid causing the influence to the flow of molten salt in the molten salt stove, can also avoid protection tube 2 single face to be heated, increase of service life.
Embodiment four: as an optimization of the above embodiment, the length of the wear-resistant pipe 6 is 20cm to 50cm as shown in fig. 1. Through such an arrangement, the risk of damage to the measuring section when it is flowed by molten salt in the molten salt furnace can be reduced during use.
The technical characteristics form the embodiment of the utility model, have stronger adaptability and implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the requirements of different situations.
Claims (2)
1. The utility model provides a thermocouple for molten salt furnace temperature measurement, a serial communication port includes thermocouple body, protection tube and outer loop platform, thermocouple body measuring section outside fixed mounting has the protection tube, protection tube lower extreme fixed mounting has upper end opening lower extreme confined tubular wear-resisting pipe, the wear-resisting pipe outside is equipped with the wearing layer, protection tube upper portion outside fixed mounting has outer loop platform, outer loop platform upper end has a plurality of mounting hole that link up from top to bottom along circumference interval equipartition, outer loop platform lower terminal surface is equipped with the annular, tightly the cover is equipped with the heat insulating pad that the lower extreme is located outer loop platform below in the annular, the thickness of protection tube is 7mm to 10mm, the cross-section of protection tube is the broad spindle shape in the middle of both sides narrow.
2. The thermocouple for measuring the temperature of a hearth of a molten salt furnace according to claim 1, wherein the length of the abrasion resistant tube is 20cm to 50cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411765.5U CN220380625U (en) | 2023-06-05 | 2023-06-05 | Thermocouple for measuring temperature of fused salt furnace hearth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411765.5U CN220380625U (en) | 2023-06-05 | 2023-06-05 | Thermocouple for measuring temperature of fused salt furnace hearth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220380625U true CN220380625U (en) | 2024-01-23 |
Family
ID=89573014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321411765.5U Active CN220380625U (en) | 2023-06-05 | 2023-06-05 | Thermocouple for measuring temperature of fused salt furnace hearth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220380625U (en) |
-
2023
- 2023-06-05 CN CN202321411765.5U patent/CN220380625U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101808962B1 (en) | Apparatus for use in direct resistance heating of platinum-containing vessels | |
| US8269131B2 (en) | Nickel-containing flanges for use in direct resistance heating of platinum-containing vessels | |
| US20040206747A1 (en) | Ceramic heater for semiconductor manufacturing/inspecting apparatus | |
| CN116506985A (en) | Heater, apparatus for producing glass article, and method for producing glass article | |
| CN220380625U (en) | Thermocouple for measuring temperature of fused salt furnace hearth | |
| JPS5920605B2 (en) | hearth electrode assembly | |
| KR100856147B1 (en) | Ceramic electrochemical corrosion potential sensor probe with increased lifetime | |
| CN201892576U (en) | Special multiple-point temperature thermocouple for photovoltaic industry | |
| CA1181792A (en) | Apparatus for fusion electrolysis and electrode therefor | |
| CN204807219U (en) | Wear -resisting sensor of removable formula | |
| CN208532882U (en) | A kind of bell furnace of volume inner core multi-point Temperature Collection | |
| CN215638776U (en) | Tubular heating furnace body with internal supporting structure | |
| US4451926A (en) | Composite electrode for arc furnace | |
| CN210006833U (en) | Fuel cell system and insulating seal member thereof | |
| EP0014089B1 (en) | Exhaust gas sensor | |
| EP3348116A1 (en) | High temperature tubular heaters | |
| CN105466590A (en) | Thermocouple specially for high temperature | |
| CN219455332U (en) | Integrated temperature measuring device | |
| CN215468058U (en) | Novel early warning air brick | |
| CN113932936B (en) | Temperature measuring device and glass substrate production method | |
| CN217504371U (en) | Electrode cooling device and kiln | |
| CN2212245Y (en) | Black body rediate source | |
| CN220788902U (en) | Be provided with device that generates heat's side pipe carbonization stove | |
| CN215073013U (en) | Heating rod easy to control temperature | |
| CN217849710U (en) | Silicon carbide rod with cold end holes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |