CN219415704U - Gas circuit purging device for measuring temperature of high-temperature furnace - Google Patents
Gas circuit purging device for measuring temperature of high-temperature furnace Download PDFInfo
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- CN219415704U CN219415704U CN202320089599.5U CN202320089599U CN219415704U CN 219415704 U CN219415704 U CN 219415704U CN 202320089599 U CN202320089599 U CN 202320089599U CN 219415704 U CN219415704 U CN 219415704U
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Abstract
The utility model discloses a gas path purging device for measuring temperature of a high-temperature furnace, which comprises a furnace body, wherein a furnace cover is fixed at the top end of the furnace body, and a furnace body inner cavity is arranged in the furnace cover. According to the utility model, the support is fixed in the furnace cover center, the optical temperature measuring probe is fixed at the top end of the support, then the upper temperature measuring air duct is fixed at the bottom end of the optical temperature measuring probe, and then the argon air inlet pipe is arranged outside the top end of the upper temperature measuring air duct, so that argon is conveyed into the upper temperature measuring air duct through the argon air inlet pipe, and the bottom end of the upper temperature measuring air duct is arranged inside the volatile smoke deposition path in the furnace chamber in the lower temperature measuring pipe, so that argon in the upper temperature measuring air duct enters the lower temperature measuring pipe, so that smoke formed by volatile in the lower temperature measuring pipe is discharged through the volatile smoke deposition path in the furnace chamber by the argon, and the fact that volatile matters are condensed near the temperature measuring points and the difference between the measured temperature and the actual temperature is large is avoided.
Description
Technical Field
The utility model relates to the technical field of gas path purging for temperature measurement of a high-temperature furnace, in particular to a gas path purging device for temperature measurement of the high-temperature furnace.
Background
The high-temperature furnace is mainly used for heating and heat treatment in industrial and mining enterprises, scientific research institutions laboratories and laboratories, is an indispensable instrument and equipment in various laboratories, and is generally provided with a temperature measuring device for monitoring the temperature inside the high-temperature furnace.
On vertical atmosphere protection high temperature graphitization stove equipment, because the furnace temperature is more than 3000 ℃, consequently, can only open the temperature measurement hole from the bell top and adopt optical temperature measurement probe temperature measurement, generally with temperature measurement probe with the support fixed in temperature measurement hole top, then install the ball valve at temperature measurement hole top, light-transmitting glass is installed on the ball valve top, then set up the argon gas air inlet in being close to the below of ball valve, then install the argon gas intake pipe inside the argon gas air inlet for argon gas intake pipe and last temperature measurement air duct intercommunication, the rethread goes up the temperature measurement air duct and flows into in the stove, but find after inventor makes labor effort still to have following inadequately:
the existing gas circuit purging device for measuring the temperature of the high-temperature furnace only utilizes the gas guide pipe to guide argon into the furnace body, when the temperature in the furnace rises to a certain value, products in the furnace are heated to generate certain volatile matters to form smoke which is emitted from the lower temperature measuring pipe, the smoke can shield the temperature measuring point to emit infrared light, so that the accuracy of temperature measurement is affected, and part of volatile matters can be condensed on the lower temperature measuring pipe near the temperature measuring point, so that the measured temperature is greatly different from the actual temperature, and the temperature in the high-temperature furnace cannot be measured.
Disclosure of Invention
The utility model aims to provide a gas circuit purging device for measuring the temperature of a high-temperature furnace, which aims to solve the problems that the existing gas circuit purging device for measuring the temperature of the high-temperature furnace only utilizes a gas guide pipe to guide argon into a furnace body, when the temperature in the furnace rises to a certain value, a certain volatile matter can be generated by heating a product in the furnace to form smoke which is emitted from a lower temperature measuring pipe, the smoke can shield infrared light emitted from the temperature measuring point, so that the accuracy of temperature measurement is affected, and part of volatile matter can even be condensed on the lower temperature measuring pipe near the temperature measuring point, so that the measured temperature is greatly different from the actual temperature, and the temperature in the high-temperature furnace cannot be measured.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gas circuit purging device of high temperature furnace temperature measurement, includes the furnace body, the top of furnace body is fixed with the bell, the inside of bell is provided with the furnace body inner chamber, just the inside of bell center department is provided with the support, the top of support is fixed with optical temperature measurement probe, optical temperature measurement probe's bottom is provided with the temperature measurement air duct, the externally mounted on temperature measurement air duct top has the argon gas intake pipe, the outside on temperature measurement air duct top is close to the argon gas intake pipe top and is provided with the ball valve, just go up temperature measurement air duct's inside is provided with gas purge route, just the outside of going up temperature measurement air duct bottom extends into the inside furnace chamber of lower temperature measurement pipe and volatilizees smoke and dust deposit route inboard to the argon gas intake pipe is with the argon gas through last temperature measurement air duct transport to the inside of lower temperature measurement pipe.
Further, as a technical scheme of the utility model, the bottom end of the furnace body is provided with the supporting legs, and the bottom end inside the furnace body is provided with the fireproof heat-insulating bottom layer so that the supporting legs support the furnace body.
Further, as a technical scheme of the utility model, the upper surface of the fireproof heat-insulating bottom layer is provided with the fireproof heat-insulating cylinder layer, and the inner part of the fireproof heat-insulating cylinder layer is provided with the carbon black heat-insulating layer so as to install the fireproof heat-insulating cylinder layer on the upper surface of the fireproof heat-insulating bottom layer.
Further, as a technical scheme of the utility model, a graphite crucible is arranged in the carbon black heat preservation layer, and a top heat preservation cover is fixed in the top end of the carbon black heat preservation layer so as to seal and preserve heat to the top end of the carbon black heat preservation layer through a ball valve.
Further, as a technical scheme of the utility model, a high temperature resistant base is fixed at the bottom end, close to the top heat preservation cover, inside the carbon black heat preservation layer, a heat preservation frame is installed inside the high temperature resistant base, and a temperature measuring point is arranged at the bottom of the center of the heat preservation frame so as to fix the heat preservation frame at the top of the inner side of the carbon black heat preservation layer through the high temperature resistant base.
Further, as a technical scheme of the utility model, a lower temperature measuring pipe is arranged in the top heat preservation cover, and a volatile smoke deposition path in the furnace chamber is arranged in the lower temperature measuring pipe, so that smoke formed by the volatile is discharged through the volatile smoke deposition path in the furnace chamber.
Compared with the prior art, the utility model has the beneficial effects that: through fixing the inside that goes out at the bell center with the support, fix the top at the support with optical temperature measurement probe, then fix the bottom at optical temperature measurement probe with last temperature measurement air duct, install the outside at last temperature measurement air duct top with the argon gas intake pipe again, make the argon gas carry the inside of going up temperature measurement air duct through the argon gas intake pipe, through install the bottom of going up temperature measurement air duct inside the inside furnace chamber of lower temperature measurement pipe volatile smoke deposition path inboard, make the inside argon gas of going up temperature measurement air duct enter into the inside of lower temperature measurement pipe, so that the argon gas will go up the inside volatile smoke deposition path discharge of volatile formation of furnace chamber, avoid the volatile to condense near the temperature measurement point, lead to measuring temperature and actual temperature phase difference great, thereby can't carry out accurate measurement to the temperature in the high temperature furnace.
Drawings
FIG. 1 is a schematic diagram of the front external structure of the present utility model;
FIG. 2 is a schematic diagram of the front internal structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
In the figure: 1. a furnace body; 2. a furnace cover; 3. a bracket; 4. a temperature-measuring air duct is arranged on the upper part; 5. an optical temperature measurement probe; 6. a gas purge path; 7. a volatile smoke deposition path in the furnace chamber; 8. a ball valve; 9. an argon inlet pipe; 10. an inner cavity of the furnace body; 11. a lower temperature measuring tube; 12. a temperature measuring point; 13. support legs; 14. a fire-resistant heat-insulating bottom layer; 15. a refractory insulation cylinder layer; 16. a carbon black heat-insulating layer; 17. a high temperature resistant base; 18. a top insulating cover; 19. a heat preservation frame; 20. graphite crucible.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a gas circuit purge device of high temperature furnace temperature measurement, including furnace body 1, furnace body 1's top is fixed with bell 2, the inside of bell 2 is provided with furnace body inner chamber 10, and the inside in bell 2 center department is provided with support 3, the top of support 3 is fixed with optical temperature measurement probe 5, the bottom of optical temperature measurement probe 5 is provided with upper temperature measurement air duct 4, the outside on upper temperature measurement air duct 4 top is installed argon gas intake pipe 9, the outside on upper temperature measurement air duct 4 top is close to argon gas intake pipe 9 top and is provided with ball valve 8, and the inside of upper temperature measurement air duct 4 is provided with gas purge route 6, and the outside of upper temperature measurement air duct 4 bottom extends into the inside of the inside furnace chamber volatile smoke deposit route 7 of lower temperature measurement pipe 11;
when the device is used, the support 3 is fixed in the inner part of the center of the furnace cover 2, the optical temperature measuring probe 5 is fixed at the top end of the support 3, then the upper temperature measuring air duct 4 is fixed at the bottom end of the optical temperature measuring probe 5, the argon air inlet pipe 9 is arranged outside the top end of the upper temperature measuring air duct 4, so that argon is conveyed into the upper temperature measuring air duct 4 through the argon air inlet pipe 9, and the bottom end of the upper temperature measuring air duct 4 is arranged at the inner side of a volatile smoke deposition path 7 in a furnace cavity in the lower temperature measuring pipe 11, so that argon in the upper temperature measuring air duct 4 enters the lower temperature measuring pipe 11, and smoke formed by volatile matters in the lower temperature measuring pipe 11 is discharged through the volatile smoke deposition path 7 in the furnace cavity;
as one embodiment of the utility model, the bottom end of the furnace body 1 is provided with supporting legs 13, and the bottom end inside the furnace body 1 is provided with a fireproof heat-insulating bottom layer 14;
when in use, three groups of supporting legs 13 are arranged outside the bottom end of the furnace body 1, so that the furnace body 1 stands through the supporting legs 13;
as one embodiment of the utility model, the upper surface of the fireproof heat-insulating bottom layer 14 is provided with a fireproof heat-insulating cylinder layer 15, and the inner part of the fireproof heat-insulating cylinder layer 15 is provided with a carbon black heat-insulating layer 16;
when in use, the upper temperature measuring air duct 4 is fixed at the bottom end of the inside of the furnace body 1, so that the refractory heat preservation cylinder layer 15 is fixed in the inside of the furnace body 1 through the refractory heat preservation bottom layer 14;
as one embodiment of the present utility model, a graphite crucible 20 is provided inside the carbon black insulating layer 16, and a top insulating cover 18 is fixed inside the top end of the carbon black insulating layer 16;
when the device is used, the graphite crucible 20 is arranged in the carbon black heat preservation layer 16, and the top heat preservation cover 18 is arranged at the top end in the carbon black heat preservation layer 16, so that the carbon black heat preservation layer 16 and the top heat preservation cover 18 preserve heat of the graphite crucible 20, and the graphite crucible 20 is prevented from radiating rapidly, so that the energy consumption of a high-temperature furnace is positive;
as one implementation mode of the utility model, a high temperature resistant base 17 is fixed at the bottom end of the carbon black heat insulation layer 16, which is close to a top heat insulation cover 18, a heat insulation frame 19 is arranged at the inner side of the high temperature resistant base 17, and a temperature measuring point 12 is arranged at the bottom of the center of the heat insulation frame 19;
when the oven is used, the volatile smoke deposition path 7 in the oven cavity is fixed at the bottom end of the top heat preservation cover 18 in the carbon black heat preservation layer 16, so that the heat preservation frame 19 is fixed in the carbon black heat preservation layer 16 by the high-temperature resistant base 17;
as one embodiment of the utility model, the inside of the top heat preservation cover 18 is provided with a lower temperature measuring pipe 11, and the inside of the lower temperature measuring pipe 11 is provided with a volatile smoke deposition path 7 in the furnace chamber;
in use, the lower temperature measuring tube 11 is fixed in the top heat insulation cover 18, and the volatile smoke deposition path 7 in the oven cavity is arranged in the lower temperature measuring tube 11, so that smoke formed by the volatile is discharged through the volatile smoke deposition path 7 in the oven cavity.
When the embodiment of the application is used, the following steps are adopted: firstly, the supporting legs 13 are fixed outside the bottom end of the furnace body 1, the supporting legs 13 support the furnace body 1 to stand, the fireproof heat-insulating cylinder layer 15 is fixed inside the furnace body 1 through the fireproof heat-insulating bottom layer 14, the carbon black heat-insulating layer 16 is arranged inside the fireproof heat-insulating cylinder layer 15, the graphite crucible 20 is fixed at the bottom end inside the carbon black heat-insulating layer 16, then the heat-insulating frame 19 is fixed at the position, close to the top end, inside the carbon black heat-insulating layer 16 through the high-temperature-resistant base 17, the top end of the carbon black heat-insulating layer 16 is sealed through the top heat-insulating cover 18, the furnace cover 2 is fixed at the top end of the furnace body 1, the support 3 is fixed inside the center of the furnace cover 2, the optical temperature measuring probe 5 is fixed at the top end of the support 3, then fix last temperature measurement air duct 4 in the bottom of optics temperature measurement probe 5, install the outside on last temperature measurement air duct 4 top with argon gas intake pipe 9 again for the argon gas is carried to the inside of last temperature measurement air duct 4 through argon gas intake pipe 9, through install the bottom of going up temperature measurement air duct 4 in the inside furnace chamber volatile smoke deposition path 7 inboard of lower temperature measurement pipe 11, make the inside argon gas of last temperature measurement air duct 4 enter into the inside of lower temperature measurement pipe 11, so that the argon gas discharges the smog that the inside volatile matter formed of lower temperature measurement pipe 11 passes through the inside volatile matter smoke deposition path 7 of furnace chamber, avoid the volatile matter to condense near temperature measurement point 12, thereby accomplish the operation of the gas circuit purge device of a high temperature furnace temperature measurement.
The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.
Claims (6)
1. The utility model provides a gas circuit of high temperature furnace temperature measurement sweeps device, includes furnace body (1), its characterized in that: the top of furnace body (1) is fixed with bell (2), the inside of bell (2) is provided with furnace body inner chamber (10), just the inside of bell (2) center department is provided with support (3), the top of support (3) is fixed with optics temperature probe (5), the bottom of optics temperature probe (5) is provided with temperature measurement air duct (4), the externally mounted on temperature measurement air duct (4) top has argon gas intake pipe (9), the outside on temperature measurement air duct (4) top is close to argon gas intake pipe (9) top and is provided with ball valve (8), just the inside of going up temperature measurement air duct (4) is provided with gas purge route (6), just the outside of going up temperature measurement air duct (4) bottom extends into the inside furnace chamber of lower temperature measurement pipe (11) and volatilizees smoke deposit route (7) inboard.
2. The gas circuit purge device for measuring temperature of a high temperature furnace according to claim 1, wherein: the bottom of the furnace body (1) is provided with supporting legs (13), and the bottom inside the furnace body (1) is provided with a fireproof heat-insulating bottom layer (14).
3. The gas circuit purge device for measuring temperature of a high temperature furnace according to claim 2, wherein: the upper surface of fire-resistant heat preservation bottom (14) is provided with fire-resistant heat preservation barrel layer (15), the inside of fire-resistant heat preservation barrel layer (15) sets up carbon black heat preservation (16).
4. A gas path purge apparatus for measuring temperature of a high temperature furnace according to claim 3, wherein: the inside of carbon black heat preservation (16) is provided with graphite crucible (20), and the inside on carbon black heat preservation (16) top is fixed with top heat preservation lid (18).
5. A gas path purge apparatus for measuring temperature of a high temperature furnace according to claim 3, wherein: the bottom end, close to the top heat preservation cover (18), inside of the carbon black heat preservation (16) is fixed with a high temperature resistant base (17), a heat preservation frame (19) is installed on the inner side of the high temperature resistant base (17), and a temperature measuring point (12) is arranged at the bottom of the center of the heat preservation frame (19).
6. The gas path purging device for measuring temperature of a high temperature furnace according to claim 4, wherein: the inside of top heat preservation lid (18) is provided with down temperature tube (11), be provided with temperature measurement point (12) below lower temperature tube (11) bottom, just the inside of lower temperature tube (11) is provided with in the furnace chamber volatile smoke and dust deposition path (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320089599.5U CN219415704U (en) | 2023-01-31 | 2023-01-31 | Gas circuit purging device for measuring temperature of high-temperature furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320089599.5U CN219415704U (en) | 2023-01-31 | 2023-01-31 | Gas circuit purging device for measuring temperature of high-temperature furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219415704U true CN219415704U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320089599.5U Active CN219415704U (en) | 2023-01-31 | 2023-01-31 | Gas circuit purging device for measuring temperature of high-temperature furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219415704U (en) |
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2023
- 2023-01-31 CN CN202320089599.5U patent/CN219415704U/en active Active
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