CN213364040U - High-temperature continuous temperature measuring device of graphitizing furnace - Google Patents
High-temperature continuous temperature measuring device of graphitizing furnace Download PDFInfo
- Publication number
- CN213364040U CN213364040U CN202022649542.5U CN202022649542U CN213364040U CN 213364040 U CN213364040 U CN 213364040U CN 202022649542 U CN202022649542 U CN 202022649542U CN 213364040 U CN213364040 U CN 213364040U
- Authority
- CN
- China
- Prior art keywords
- tube
- graphite
- temperature
- temperature measuring
- measuring device
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 63
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 63
- 239000010439 graphite Substances 0.000 claims abstract description 63
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 43
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 32
- 238000005087 graphitization Methods 0.000 claims abstract description 24
- 239000000498 cooling water Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims 1
- 238000007664 blowing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 25
- 239000011521 glass Substances 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Landscapes
- Radiation Pyrometers (AREA)
Abstract
The utility model provides a high-temperature continuous temperature measuring device of a graphitizing furnace, which comprises a graphite tube, a metal tube, a temperature measuring lens, an end cover, a cooling water jacket and a gas inlet pipe; the graphite tube is provided with an open end and a closed end, a cooling water jacket is arranged on the outer wall of the open end, both ends of the metal tube are open ends, the open end of the graphite tube is coaxially sleeved on the outer wall of the open end of the metal tube, the temperature measurement lens is arranged at the other end of the metal tube through an end cover in a sealing mode, a gas inlet tube is arranged on the section of the metal tube, and the tail end gas outlet of the gas inlet tube faces the temperature measurement lens. The utility model avoids the pollution of the temperature measurement lens by blowing gas to the temperature measurement lens, and ensures the accuracy of temperature measurement; the cooling water jacket prolongs the service life of the graphite pipe; the utility model provides a temperature measuring device is connected the back with fixed infrared equipment, can satisfy the temperature measurement more than 3000 ℃ in the graphite furnace, has guaranteed graphitization furnace temperature measurement's real-time and continuity.
Description
Technical Field
The utility model relates to a high-temperature continuous temperature measuring device of a graphitizing furnace.
Background
At present, graphite electrodes, lithium battery cathode materials, isostatic pressing graphite carbon materials and the like for domestic smelting are basically produced by using an Acheson graphitizing furnace or an inner series furnace for a graphitizing process, and along with the increasingly high requirements of the graphite application market, the requirements on the graphitizing process are increasingly strict.
To accurately control the graphitization degree of graphite products, the graphitization temperature in the furnace must be controlled. The prior graphitization process mostly measures the graphitization degree of the product by electric quantity, and the product quality difference is large because of being influenced by various factors such as raw materials, auxiliary materials and the like. In the prior art, although a temperature measurement graphite tube is arranged in a graphitization furnace, the sealing performance of the graphite tube is difficult to guarantee, temperature measurement glass is easily polluted by smoke and volatile matters in the furnace, and when an infrared temperature measuring instrument is used for measuring temperature, the error between the measured temperature and the actual temperature in the furnace is large, so that the purpose of measuring the temperature cannot be achieved. The prior art discloses a temperature measuring device of a high-temperature vacuum furnace, wherein a baffle is additionally arranged between the high-temperature vacuum furnace and temperature measuring glass to avoid the pollution of the temperature measuring glass, but after the baffle shields the temperature measuring glass, the continuity of temperature measurement is influenced. The prior art also discloses a temperature measuring device of the vacuum furnace, which avoids the pollution of temperature measuring glass by gas blowing, but the testing temperature is lower, and the temperature measurement of the graphite furnace at more than 3000 ℃ cannot be satisfied because the graphite tube is easy to be oxidized at high temperature.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a high temperature continuous temperature measuring device of graphitizing furnace for overcoming the not enough, the continuity of the degree of accuracy of graphitizing furnace temperature measurement receives the problem that influences, graphite pipe life-span are short among the prior art. The utility model provides a high temperature continuous temperature measuring device has the temperature measurement that can realize more than 3000 ℃, the temperature measurement is accurate, can continuous temperature measurement and graphite pipe long service life's advantage.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
a high-temperature continuous temperature measuring device of a graphitization furnace is characterized by comprising a graphite tube, a metal tube, a temperature measuring lens, an end cover, a cooling water jacket and an L-shaped gas inlet tube; the graphite tube is provided with an open end and a closed end, the cooling water jacket is arranged on the outer wall of the open end of the graphite tube, the two ends of the metal tube are both open ends, the open end of the graphite tube is coaxially sleeved on the outer wall of the open end of the metal tube, the temperature measurement lens is hermetically mounted at the other open end of the metal tube through the end cover, the gas inlet tube is arranged on the tube section of the metal tube, and the tail end gas outlet of the gas inlet tube faces the temperature measurement lens.
The length of the cooling water jacket is generally determined according to the surface temperature of the graphite pipe, and the surface temperature of the graphite pipe is ensured not to exceed 200 ℃ at the highest temperature of the graphitization furnace, for example, the length of the cooling water jacket is 200 mm.
The graphite tube is obtained by processing a blind hole at the position of the center of a circle for a graphite electrode rod with the diameter of 150mm and the length of 1800mm which is used conventionally.
The metal pipe can be an iron pipe or a steel pipe.
Preferably, the open end of the graphite tube is screwed to an outer wall of an open end of the metal tube, so as to facilitate removal or replacement of the graphite tube.
Preferably, a sealing ring is arranged between the temperature measuring lens and the end cover.
Preferably, the end cap is connected with the metal pipe through threads.
Preferably, the distance between the gas outlet at the tail end of the gas inlet pipe and the temperature measurement lens is 30-50 mm.
Preferably, the terminal gas outlet of the gas inlet pipe is arranged close to the inner wall of the metal pipe, and the inner hole radius of the metal pipe is larger than the outer diameter of the terminal gas outlet of the gas inlet pipe by more than 15mm, so that the gas inlet pipe is prevented from shielding the temperature measurement lens and influencing temperature measurement.
The high-temperature continuous temperature measuring device further comprises an infrared thermometer which is coaxial with the graphite tube and the metal tube according to the conventional method in the field, and the infrared thermometer is arranged outside the metal tube and positioned on one side of the temperature measuring lens.
When the high-temperature continuous temperature measuring device measures temperature:
the graphite pipe partially extends into the graphite furnace, the metal pipe is arranged outside the graphite furnace, and the length of the graphite pipe entering a furnace high-temperature area at one side of a furnace core of the graphite furnace is more than 200 mm;
inert gas is filled in the gas inlet pipe, and because the graphite pipe is of a porous structure and a sealing ring or a sealing gasket is not used at the threaded connection part of the graphite pipe and the metal pipe, a small amount of gas can overflow, so that the micro-positive pressure in the temperature measuring device can be ensured, smoke or volatile matters are prevented from entering, and meanwhile, exhaust holes do not need to be specially arranged, so that the using amount of the inert gas is saved;
the cooling water jacket is attached to a refractory brick wall of the graphite furnace, and the thickness of the refractory brick wall of the graphite furnace is 300-500 mm;
and putting the graphite pipe into the graphitization furnace through a wall hole reserved in the graphitization furnace.
The utility model discloses an actively advance the effect and lie in:
1. the utility model provides a temperature measuring device installs the intake pipe and sweeps the temperature measurement lens, avoids the pollution of temperature measurement lens, has guaranteed temperature measurement's accuracy;
2. after the temperature measuring device provided by the utility model is connected with the fixed infrared equipment, the real-time performance and the continuity of the temperature measurement of the graphitization furnace are ensured;
3. the temperature measuring device provided by the utility model has greatly improved testing temperature, and can meet the temperature measurement of more than 3000 ℃ in the graphite furnace;
4. the utility model provides a temperature measuring device has prolonged the life of graphite pipe.
Drawings
Fig. 1 is a schematic structural view of the temperature measuring device of the present invention.
Fig. 2 is a schematic view of the temperature measuring device of the present invention.
Description of reference numerals: 1. a graphite tube; 2. a cooling water jacket; 3. a metal tube; 4. a temperature measuring lens; 5. an end cap; 6. an air inlet pipe; 7. a graphitizing furnace refractory brick wall; 8. a thermal insulation material; 9. a high temperature zone in the furnace; 10. an infrared thermometer.
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
Example 1
As shown in figure 1, the utility model provides a high-temperature measuring device of a graphitizing furnace, which comprises a graphite pipe 1, a cooling water jacket 2, a metal pipe 3, a temperature measuring lens 4, an end cover 5 and an L-shaped gas inlet pipe 6. The two ends of the metal tube 3 are both open ends, the open end of the graphite tube 1 is coaxially sleeved on the outer wall of one open end of the metal tube 3, the temperature measurement lens 4 is hermetically installed at the other open end of the metal tube 3 through the end cover 5, the tube section of the metal tube 3 is provided with an L-shaped gas inlet tube 6, and the tail end gas outlet of the gas inlet tube 6 faces the temperature measurement lens 4.
The graphite tube 1 is generally obtained by processing a blind hole at the center of a circle by a graphite electrode rod with the diameter of 150mm and the length of 1800 mm. The outer wall of the open end of the graphite tube 1 is provided with a cooling water jacket 2, the length of the cooling water jacket 2 is 200mm, and the open end of the graphite tube 1 is cooled. The length of the cooling water jacket 2 is generally determined according to the surface temperature of the graphite tube 1, and the surface temperature of the graphite tube 1 is ensured not to exceed 200 ℃ at the highest temperature of the graphitization furnace. The cooling water jacket 2 can reduce the overheating oxidation of the graphite tube 1 at high temperature, prolong the service life of the graphite tube 1, and increase the use times of the graphite tube 1 from one furnace to more than five furnaces.
The metal tube 3 is generally an iron tube or a steel tube, and the open end of the graphite tube 1 is connected to the outer wall of one open end of the metal tube 3 by a prefabricated screw thread so as to facilitate the removal or replacement of the graphite tube 1.
A sealing ring is arranged between the temperature measuring lens 4 and the end cover 5.
The end cap 5 is screwed to the metal pipe 3.
The distance between the gas outlet at the tail end of the gas inlet pipe 6 and the temperature measurement lens 4 is 30-50 mm. The inner wall of the metal pipe 3 is attached to the tail end gas outlet of the gas inlet pipe 6, the inner hole radius of the metal pipe 3 is larger than the outer diameter of the tail end gas outlet of the gas inlet pipe 6 by more than 15mm, and therefore the gas inlet pipe 6 is prevented from shielding the temperature measurement lens 4 and the temperature measurement is prevented from being influenced.
The high-temperature continuous temperature measuring device also comprises an infrared thermometer which is coaxial with the graphite tube 1 and the metal tube 3, and the infrared thermometer is arranged outside the metal tube 3 and is positioned on one side of the temperature measuring lens 4.
As shown in FIG. 2, when the temperature in the graphitization furnace is measured, the graphite tube 1 of the high temperature continuous temperature measuring device is inserted into the graphitization furnace through a temperature measuring hole reserved in the wall of the graphitization furnace, and the minimum length of the high temperature zone 9 in the furnace, which enters the furnace core side in the graphitization furnace, is 200 mm. The air inlet pipe 6 is filled with inert gas, so that micro-positive pressure is kept inside the high-temperature continuous temperature measuring device, smoke or volatile matters are prevented from entering, and the temperature can be accurately measured by using the infrared thermometer 10. In addition, the graphite tube 1 is of a porous structure, and a sealing ring or a sealing gasket is not used at the threaded connection part of the graphite tube 1 and the metal tube 3, so that exhaust holes do not need to be specially arranged, and the use amount of inert gas is saved.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (8)
1. The high-temperature continuous temperature measuring device of the graphitization furnace is characterized by comprising a graphite pipe, a metal pipe, a temperature measuring lens, an end cover, a cooling water jacket and an L-shaped gas inlet pipe; the graphite tube is provided with an open end and a closed end, the cooling water jacket is arranged on the outer wall of the open end of the graphite tube, the two ends of the metal tube are both open ends, the open end of the graphite tube is coaxially sleeved on the outer wall of the open end of the metal tube, the temperature measurement lens is hermetically mounted at the other open end of the metal tube through the end cover, the gas inlet tube is arranged on the tube section of the metal tube, and the tail end gas outlet of the gas inlet tube faces the temperature measurement lens.
2. The continuous temperature measuring device for high temperature of graphitization furnace as claimed in claim 1, wherein the length of cooling water jacket is 200 mm.
3. The continuous temperature measuring device for the high temperature in the graphitization furnace as claimed in claim 1, wherein the graphite tube is obtained by machining a blind hole at the center of a circle for a graphite electrode rod, and the graphite electrode rod has a diameter of 150mm and a length of 1800 mm.
4. The continuous temperature measuring device for the high temperature of the graphitization furnace as claimed in claim 1, wherein the metal tube is an iron tube and/or a steel tube.
5. The high-temperature continuous temperature measuring device for the graphitization furnace as claimed in claim 1, wherein the open end of the graphite tube is screwed to the outer wall of one open end of the metal tube.
6. The continuous temperature measuring device for the high temperature of the graphitization furnace as claimed in claim 1, wherein a sealing ring is arranged between the temperature measuring lens and the end cover, and the end cover is connected with the metal pipe through threads.
7. The continuous temperature measuring device for the high temperature of the graphitization furnace as claimed in claim 1, wherein the distance between the gas outlet at the tail end of the gas inlet pipe and the temperature measuring lens is 30-50 mm.
8. The continuous temperature measuring device for the high temperature of the graphitization furnace as claimed in claim 1, wherein a tail gas outlet of the gas inlet pipe is arranged close to the inner wall of the metal pipe, and the inner hole radius of the metal pipe is more than 15mm larger than the outer diameter of the tail gas outlet of the gas inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022649542.5U CN213364040U (en) | 2020-11-16 | 2020-11-16 | High-temperature continuous temperature measuring device of graphitizing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022649542.5U CN213364040U (en) | 2020-11-16 | 2020-11-16 | High-temperature continuous temperature measuring device of graphitizing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213364040U true CN213364040U (en) | 2021-06-04 |
Family
ID=76135084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022649542.5U Active CN213364040U (en) | 2020-11-16 | 2020-11-16 | High-temperature continuous temperature measuring device of graphitizing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213364040U (en) |
-
2020
- 2020-11-16 CN CN202022649542.5U patent/CN213364040U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111362262B (en) | High-purity graphitization furnace | |
| CN213364040U (en) | High-temperature continuous temperature measuring device of graphitizing furnace | |
| US3864232A (en) | Apparatus for Monitoring the Oxygen Content of High Temperature Fluids | |
| CN110736343A (en) | submerged arc furnace with self baking electrode baking degree measuring device | |
| CN111351362A (en) | But continuous production's high temperature graphitization stove | |
| CN217516686U (en) | Continuous pre-graphitization furnace | |
| CN201867251U (en) | Infrared high-temperature measurement device | |
| CN202993885U (en) | Temperature measuring device of silicon carbide pressureless sintering kiln | |
| CN201210006Y (en) | Temperature measuring equipment for intermediate frequency furnace | |
| CN203231816U (en) | Cold-rolled steel working roll heat treatment temperature measuring device | |
| CN214503009U (en) | High-temperature molten metal sampler | |
| CN111020703B (en) | High-temperature vacuum furnace and semiconductor processing equipment | |
| CN212459004U (en) | Top-blown furnace slag temperature measurement sampling device | |
| CN211373236U (en) | But continuous production's high temperature graphitization stove | |
| CN110260670B (en) | Control device and control method for melting atmosphere in electric melting furnace | |
| CN219913970U (en) | Feeding seat, furnace body structure, graphitization furnace and battery production system | |
| CN212432753U (en) | Sample gas extraction device for testing total sulfur and effective sulfur content of nonmetal powder | |
| CN213364041U (en) | Continuous temperature measuring probe with sampling function for iron and steel smelting | |
| CN215843073U (en) | Quick firing electric heating device | |
| CN208345761U (en) | A kind of graphitization burner protective device | |
| RU2586108C1 (en) | Electrode assembly for gas-arc furnace | |
| CN204142679U (en) | A kind of sulphur meter with New Heating | |
| RU198256U1 (en) | ELECTRIC HOLDER FOR GAS ELECTRIC FURNACE | |
| CN219415704U (en) | Gas circuit purging device for measuring temperature of high-temperature furnace | |
| CN220418138U (en) | Thermocouple installation structure of Isa furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240513 Address after: Yunnan Shanshan New Materials Co., Ltd., Qinglongshao Area, Caopu Street, Anning, Kunming City, Yunnan Province, 650300 Patentee after: Yunnan Shanshan New Materials Co.,Ltd. Country or region after: China Address before: 201209 No. 3158 Golden Sea Road, Shanghai, Pudong New Area Patentee before: SHANGHAI SHANSHAN TECH Co.,Ltd. Country or region before: China |