CN215930963U - Temperature and liquid level online monitoring device for titanium sponge reduction furnace - Google Patents
Temperature and liquid level online monitoring device for titanium sponge reduction furnace Download PDFInfo
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- CN215930963U CN215930963U CN202122028884.XU CN202122028884U CN215930963U CN 215930963 U CN215930963 U CN 215930963U CN 202122028884 U CN202122028884 U CN 202122028884U CN 215930963 U CN215930963 U CN 215930963U
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Abstract
The utility model relates to the technical field of metallurgical production equipment, in particular to an online monitoring device for the temperature and the liquid level of a titanium sponge reduction furnace; the device comprises a reduction furnace and a reduction reactor arranged in the reduction furnace, wherein an infrared imaging lens is arranged on the side wall of the reduction furnace, and a detection head of the infrared imaging lens faces the reduction reactor; the infrared imaging lens is communicated with the infrared imager. The reduction reaction of titanium tetrachloride and liquid magnesium is exothermic reaction and is carried out on the liquid level of the liquid magnesium, so the position with the highest temperature is the position of the liquid level, the liquid magnesium is a good heat conductor, the temperature distribution of the liquid magnesium is reacted on the outer wall of the reduction reactor, the temperature distribution of the outer wall of the reactor can be known by carrying out infrared imaging on the outer wall of the reactor, and the position with the highest temperature is the reaction liquid level, so the temperature and the liquid level can be detected simultaneously.
Description
Technical Field
The utility model belongs to the technical field of metallurgical production equipment, and particularly relates to an online monitoring device for the temperature and the liquid level of a titanium sponge reduction furnace.
Background
The reduction process is one of the important stages of producing titanium sponge by a magnesium thermal method, the control of the liquid level and the temperature in the reactor is the main factor influencing the whole reduction process during the reduction process, and the overhigh or overlow liquid level and temperature in the reactor can seriously influence the product quality and the production efficiency during the reduction reaction.
At present, measure liquid level in the reactor in the production process, cause the scale to burn the different degree of red degree and carry out level measurement through liquid level and non-liquid level space difference in the reactor, but high-temperature gas blowout, liquid magnesium splash appear easily in the measurement process, cause the scald scheduling problem. Through the utility model patent of retrieving discovery publication number CN207675268U, it sets up the liquid level pipe in the reactor to disclose, feeds back the liquid level through laser level measurement appearance, because the difference of density leads to the level measurement inaccurate. The temperature inside the reactor is usually indirectly estimated by placing a thermocouple on the outer wall of the reactor, but the measurement accuracy of this method is easily affected by the cooling wind. Further, as disclosed in patent application No. CN201810729243.7, there is disclosed a method of measuring the liquid surface temperature by using a thermocouple array in a protective sleeve, and determining the liquid surface position by analyzing the difference in temperature near the liquid surface, but the provision of a sleeve in the reactor affects the shape of titanium sponge lumps, which is disadvantageous in respect of protrusion, and also the reusability of the sleeve and thermocouple at high temperatures is not great.
SUMMERY OF THE UTILITY MODEL
The utility model provides an online monitoring device for the temperature and the liquid level of a titanium sponge reduction furnace, aiming at solving the technical problem of inaccurate liquid level measurement caused by the adoption of the prior art.
The device for monitoring the temperature and the liquid level of the titanium sponge reduction furnace on line comprises a reduction furnace and a reduction reactor arranged in the reduction furnace, wherein an infrared imaging lens is arranged on the side wall of the reduction furnace, and a detection head of the infrared imaging lens faces the reduction reactor; the infrared imaging lens is communicated with the infrared imager.
The reduction reaction of titanium tetrachloride and liquid magnesium is exothermic reaction and is carried out on the liquid level of the liquid magnesium, so the position with the highest temperature is the position of the liquid level, the liquid magnesium is a good heat conductor, the temperature distribution of the liquid magnesium is reacted on the outer wall of the reduction reactor, the temperature distribution of the outer wall of the reactor can be known by carrying out infrared imaging on the outer wall of the reactor, and the position with the highest temperature is the reaction liquid level, so the temperature and the liquid level can be detected simultaneously.
Further, the infrared imaging lens is arranged at a position far away from the electric heating wire and the cooling air duct. Thereby avoiding the influence of the electric heating wire and the cooling air on the temperature measurement.
Further, the device also comprises a driving mechanism and a transmission mechanism which are used for driving the infrared imaging lens to move back and forth between the top and the bottom of the reduction furnace. The infrared imaging lens is driven by the driving mechanism and the transmission mechanism to move back and forth between the top and the bottom of the reduction furnace, so that the accurate detection of the liquid level is realized, and the problem that the detection surface which cannot be detected by the infrared imaging lens cannot completely cover the changeable reaction liquid level is avoided.
Preferably, the driving mechanism and the transmission mechanism are screw linear modules; the top and one end close to the bottom of the side wall of the reduction furnace are both provided with a mounting plate, and a lead screw linear module is mounted between the two mounting plates; the infrared imaging lens is installed on the sliding table of the lead screw linear module, and a detection head of the infrared imaging lens faces the reduction reactor. The infrared imaging lens is driven by the lead screw linear module to move back and forth at the top and at one end close to the bottom of the reduction furnace, so that the detection surface of the infrared imaging lens can perfectly adapt to changeable reaction liquid level, and the detection precision is improved.
The lead screw linear module is made of materials capable of working in a temperature environment higher than 800 ℃.
The infrared imaging lens is made of high-temperature-resistant materials and can normally work in the temperature environment of more than 800 ℃.
The lead screw linear module and the infrared imaging lens are made of materials capable of normally working in a temperature environment of more than 800 ℃; the material capable of normally working in the environment with the temperature of above 800 facilities is a material with the melting point of above 800 ℃, and the optimal selection is that the melting point is 1000 facilities ℃; for example, materials for making reduction furnaces.
Compared with the prior art, the utility model has the beneficial effects that: 1. the utility model realizes the detection of liquid level and temperature through infrared imaging. And the infrared imaging lens is arranged at the position far away from the electric heating wire and the cooling air opening, so that the influence of the electric heating wire and the cooling air opening on the detection precision is avoided.
2. The infrared imaging lens is driven by the transmission mechanism and the driving mechanism to move back and forth between the top and the bottom of the reduction furnace, so that the detection surface of the infrared imaging lens can perfectly adapt to changeable reaction liquid level, and the detection precision is improved.
3. The monitoring device is arranged on the outer wall of the reducing furnace, so that the shape of the titanium sponge lump cannot be influenced, and the ejection cannot be influenced.
Drawings
FIG. 1 is a schematic view of the monitoring principle of the present invention;
FIG. 2 is a schematic view of the overall mechanism of the present invention;
description of reference numerals: 1. a reduction furnace; 2. a lead screw linear module; 3. an infrared imaging lens; 4. a reactor; 5. the reaction liquid level; 6. an infrared imager; 7. and (7) mounting the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the device for monitoring the temperature and the liquid level of a titanium sponge reduction furnace 1 on line comprises the reduction furnace 1 and a reduction reactor 4 arranged in the reduction furnace 1, wherein an infrared imaging lens 3 is arranged on the side wall of the reduction furnace 1, and a detection head of the infrared imaging lens 3 faces the reduction reactor 4; the infrared imaging lens 3 is in communication with an infrared imager 6.
The reduction reaction of titanium tetrachloride and liquid magnesium is exothermic reaction and is carried out on the liquid level of the liquid magnesium, so the position with the highest temperature is the position of the liquid level, the liquid magnesium is a good heat conductor, the temperature distribution of the liquid magnesium is reacted on the outer wall of the reduction reactor 4, the temperature distribution of the outer wall of the reactor 4 can be known by carrying out infrared imaging on the outer wall of the reactor 4, and the position with the highest temperature is the reaction liquid level, so the temperature and the liquid level can be detected simultaneously.
The infrared imaging lens 3 is arranged at a position far away from the electric heating wire and the cooling air duct. Thereby avoiding the influence of the electric heating wire and the cooling air on the temperature measurement.
Referring to fig. 2, mounting plates 7 are arranged at the top and one end close to the bottom of the side wall of the reduction furnace 1, and a lead screw linear module 2 is arranged between the two mounting plates 7; the infrared imaging lens 3 is arranged on the sliding table of the lead screw linear module 2, and a detection head of the infrared imaging lens 3 faces the reduction reactor 4. The infrared imaging lens 3 is driven by the lead screw linear module 2 to move back and forth at the top and at one end close to the bottom of the reduction furnace 1, so that the detection surface of the infrared imaging lens 3 can perfectly adapt to the changeable reaction liquid level 5, and the detection precision is improved.
The motor driving the linear screw module to operate adopts the existing high-temperature-resistant motor capable of working in the temperature environment above 800 ℃.
The lead screw linear module 2 is made of a material capable of working in a temperature environment of more than 800 ℃.
The infrared imaging lens 3 is made of high-temperature-resistant materials and can normally work in a temperature environment higher than 800 ℃.
The lead screw linear module 2 and the infrared imaging lens 3 are made of materials capable of normally working in a temperature environment of more than 800 ℃; the material capable of normally working in the environment with the temperature of above 800 facilities is a material with the melting point of above 800 ℃, and the optimal selection is that the melting point is 1000 facilities ℃; for example, a material for the reduction furnace 1.
When the temperature in the reduction reactor 4 and the reaction liquid level 5 are monitored, the lead screw linear module 2 can be started at fixed time intervals to drive the infrared imaging lens 3 to move back and forth between the top and the bottom of the reduction furnace 1, the infrared imager 6 is used for observing an imaging image and parameters on the infrared imager 6 to determine the reaction liquid level 5, and the lead screw linear module 2 is used for driving the infrared imaging lens 3 to move to the position corresponding to the reaction liquid level 5 for continuous monitoring. Of course, the control method of the present invention is not limited to the above-described control method, and a logical control method having positive effects on the detection of the temperature of the reaction liquid surface 5 and the temperature of the reduction furnace 1 may be employed. The above control modes are all generated by logical derivation according to actual situations, and therefore, the present invention is not described in detail.
Referring to fig. 2, in the moving process of the infrared imaging lens 3, when the infrared imaging lens is moved to a position close to the bottom of the reduction furnace 1, the detected temperature is affected by the heating resistance wire; since the installation position of the heating resistance wire is fixed, the accurate judgment of the position of the liquid level after the imaging information of the infrared imager 6 is obtained by the technicians in the field is not influenced under the condition that the position of the resistance wire is fixed.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The device for monitoring the temperature and the liquid level of the titanium sponge reduction furnace on line is characterized by comprising a reduction furnace (1) and a reduction reactor (4) arranged in the reduction furnace (1), wherein an infrared imaging lens (3) is arranged on the side wall of the reduction furnace (1), and a detection head of the infrared imaging lens (3) faces the reduction reactor (4); the infrared imaging lens (3) is communicated with the infrared imager (6).
2. The device for monitoring the temperature and the liquid level of the titanium sponge reduction furnace on line according to claim 1, wherein the infrared imaging lens (3) is arranged at a position far away from the electric heating wire and the cooling air duct.
3. The device for monitoring the temperature and the liquid level of the titanium sponge reduction furnace on line according to claim 2, characterized by further comprising a driving mechanism and a transmission mechanism for driving the infrared imaging lens (3) to move back and forth between the top and the bottom of the reduction furnace (1).
4. The device for monitoring the temperature and the liquid level of the titanium sponge reduction furnace on line according to claim 3, wherein the driving mechanism and the transmission mechanism are a lead screw linear module (2); the top and one end close to the bottom of the side wall of the reduction furnace (1) are respectively provided with a mounting plate (7), and a screw linear module (2) is arranged between the two mounting plates (7); the infrared imaging lens (3) is installed on the sliding table of the lead screw linear module (2), and a detection head of the infrared imaging lens (3) faces the reduction reactor (4).
5. The device for monitoring the temperature and the liquid level of the titanium sponge reduction furnace on line according to claim 4, wherein the lead screw linear module (2) is made of a material capable of working in a temperature environment of more than 800 ℃.
6. The device for monitoring the temperature and the liquid level of the titanium sponge reduction furnace on line according to any one of claims 1 to 5, wherein the infrared imaging lens (3) is made of a high-temperature-resistant material and can normally work in a temperature environment of more than 800 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028884.XU CN215930963U (en) | 2021-08-26 | 2021-08-26 | Temperature and liquid level online monitoring device for titanium sponge reduction furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028884.XU CN215930963U (en) | 2021-08-26 | 2021-08-26 | Temperature and liquid level online monitoring device for titanium sponge reduction furnace |
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| Publication Number | Publication Date |
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| CN215930963U true CN215930963U (en) | 2022-03-01 |
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| CN202122028884.XU Active CN215930963U (en) | 2021-08-26 | 2021-08-26 | Temperature and liquid level online monitoring device for titanium sponge reduction furnace |
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2021
- 2021-08-26 CN CN202122028884.XU patent/CN215930963U/en active Active
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