CN214422679U - A temperature measurement car for refining furnace temperature measurement - Google Patents
A temperature measurement car for refining furnace temperature measurement Download PDFInfo
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- CN214422679U CN214422679U CN202023308991.XU CN202023308991U CN214422679U CN 214422679 U CN214422679 U CN 214422679U CN 202023308991 U CN202023308991 U CN 202023308991U CN 214422679 U CN214422679 U CN 214422679U
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- refining furnace
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Abstract
The utility model provides a temperature measurement car for temperature measurement of refining furnace belongs to temperature measurement equipment technical field, including the removal temperature measurement car body of installing optic fibre infrared thermometer, the temperature measurement car body is located the track that sets up around the refining furnace, and its one end welding has the fender radiation board, and the nitrogen gas purging pipe that the installation has the inner tube on the fender radiation board, and nitrogen gas purging pipe skin weld has nitrogen gas to sweep the entry, and infrared thermometer's fiber lens is installed in nitrogen gas purging pipe one end. The temperature measuring vehicle can move around the refining furnace through the track, is very convenient to use, and cannot influence the operation of operators. The temperature measuring vehicle utilizes the nitrogen purging pipe to block flue gas, high-pressure nitrogen is introduced into a semi-closed space structure between the nitrogen purging pipe and the inner pipe through the nitrogen purging inlet, the flue gas above the liquid level of the molten steel is further purged, and the temperature measurement accuracy is guaranteed. The utility model discloses can be according to the stroke of the molten steel liquid level control nitrogen gas purge pipe of refining furnace to realize accurate measurement, use more in a flexible way.
Description
Technical Field
The utility model belongs to the technical field of temperature measuring equipment, especially, relate to a temperature measurement car for refining furnace temperature measurement.
Background
In the steel-making process of each steel plant, a refining furnace is required to refine molten steel so as to improve the quality of the molten steel, and in the process, the temperature of the refining furnace is required to be measured. However, because the refining furnace is electrified by adopting a graphite electrode to carry out electric arc heating steelmaking, a large amount of flue gas can be generated in the refining furnace in the steelmaking process, and the flue gas contains various unidentified components, and the direct temperature measurement of the flue gas cannot be overcome by adopting the traditional infrared temperature measurement mode; and the refining furnace has short working time, and operators need to work around the refining furnace in the alternate period, so the temperature measuring instrument cannot be fixedly installed. Therefore, there is a need for a temperature measuring device that can be moved during operation and is not interfered by smoke.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a temperature measuring vehicle for measuring the temperature of a refining furnace, which can freely move around the refining furnace, is convenient to use and can not influence the operation of operators; meanwhile, the temperature measuring vehicle utilizes the nitrogen purging pipe and the inner pipe to block flue gas, the flue gas above the liquid level of the molten steel is purged, the temperature measurement is accurate, the distance between the nitrogen purging pipe and the liquid level of the molten steel is adjustable, and the flexibility of the temperature measuring vehicle is further improved.
The utility model discloses a realize above-mentioned technical purpose through following technological means.
A temperature measuring vehicle for measuring the temperature of a refining furnace comprises a movable temperature measuring vehicle body positioned on a track around the refining furnace, wherein an infrared thermometer is installed on the movable temperature measuring vehicle body, and a radiation baffle is welded at one end of the movable temperature measuring vehicle body; the temperature measurement vehicle further comprises a nitrogen purging pipe, the nitrogen purging pipe is installed on the linear sliding table, the linear sliding table is connected with the fixed block in a clamped mode, the fixed block is installed on the adjusting support, the adjusting support is installed on the radiation blocking plate, and a plurality of screw holes used for fixing are formed in the fixed block.
Further, the infrared thermometer is an optical fiber infrared thermometer, an optical fiber lens of the optical fiber infrared thermometer is installed at one end of the nitrogen purging pipe close to the radiation baffle, and the optical fiber lens is connected to the infrared thermometer through an optical fiber.
Furthermore, an inner pipe is arranged in the nitrogen purging pipe, and a semi-closed space structure with an opening at the bottom is formed between the nitrogen purging pipe and the inner pipe.
The utility model discloses following beneficial effect has:
the utility model provides a temperature measurement car passes through the track and realizes at the peripheral removal of refining furnace, can remove the temperature measurement car to the refining furnace next door when the refining furnace begins to make steel and need carry out the temperature measurement, when operating personnel is in the peripheral operation of refining furnace, through the track with the temperature measurement car put aside can, it is very convenient to use, can not influence operating personnel's operation. The temperature measuring vehicle utilizes the nitrogen purging pipe to obstruct a part of smoke, and simultaneously introduces high-pressure nitrogen into the semi-closed space structure between the nitrogen purging pipe and the inner pipe, so that the smoke above the liquid level of the molten steel can be further purged, and the accuracy of temperature measurement is effectively ensured.
The utility model discloses can also realize the regulation of distance between nitrogen gas purge pipe and the molten steel liquid level, according to the stroke of the molten steel liquid level control nitrogen gas purge pipe of refining furnace to realize accurate measurement, use more in a flexible way.
At present, domestic steel mill that has hundreds of families utilizes the temperature measurement car, can satisfy the requirement that high-end user development updated better variety steel, be favorable to promoting trade technical progress, energy saving and consumption reduction improves production efficiency, reduces the equipment maintenance cost, can create fine economic value for the enterprise.
Drawings
FIG. 1 is a schematic view of the temperature measuring cart of the present invention;
FIG. 2 is a schematic view of the connection between the radiation shielding plate and the nitrogen purging pipe according to the present invention;
FIG. 3 is a schematic view of the internal structure of the nitrogen purge tube of the present invention;
fig. 4 is a cross-sectional view taken along line C-C in fig. 2.
In the figure: 1-a refining furnace; 2-furnace cover; 3-nitrogen purging pipe; 4-radiation shielding plate; 5, moving the temperature measuring vehicle body; 6-infrared thermometer; 7-an optical fiber; 8-orbit; 9-nitrogen purge inlet; 10-liquid level of molten steel; 11-an inner tube; 12-linear slide; 13-fixing block; 14-adjusting the stent; 15-screw hole.
Detailed Description
The invention will be further described with reference to the drawings and the following examples, but the scope of the invention is not limited thereto.
In the description of the present invention, it should be understood that the terms "mounted" and "connected" should be interpreted broadly, for example, they may be fixedly connected, detachably connected, or integrally connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements; the specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in figure 1, a temperature measurement car for refining furnace temperature measurement, including removing temperature measurement car body 5, infrared radiation thermometer 6, keeping off radiation shield 4, nitrogen gas purge pipe 3. A track 8 is arranged around the refining furnace 1, the movable temperature measuring vehicle body 5 is positioned on the track 8, and can move on the track 8 through wheels at the bottom of the movable temperature measuring vehicle body. An infrared thermometer 6 is installed on the movable temperature measuring vehicle body 5, and in this embodiment, preferably, the infrared thermometer 6 is an optical fiber infrared thermometer 6 and is installed on the movable temperature measuring vehicle body 5 through a bolt.
As shown in fig. 2 to 4, a radiation baffle 4 is welded at one end of a movable temperature measuring vehicle body 5, and a nitrogen purging pipe 3 is installed on the radiation baffle 4; specifically, an inner pipe 11 is arranged in the nitrogen purging pipe 3, and a semi-closed space structure with an opening at the bottom is formed between the nitrogen purging pipe 3 and the inner pipe 11 for the circulation of purging gas; the nitrogen purging pipe 3 is installed on the linear sliding table 12, the linear sliding table 12 is clamped with the fixing block 13, the fixing block 13 is installed on the adjusting support 14, and the adjusting support 14 is installed on the radiation baffle 4. Be equipped with a plurality of screw holes 15 on the fixed block 13, be convenient for utilize the screw to fix fixed block 13 and sharp slip table 12, keep nitrogen gas purge pipe 3 stable.
A nitrogen purging inlet 9 is welded on the surface of the nitrogen purging pipe 3 close to the radiation baffle 4; an optical fiber lens of the infrared thermometer 6 is arranged at one end of the nitrogen purging pipe 3 close to the radiation baffle 4, and the optical fiber lens is connected to the infrared thermometer 6 through an optical fiber 7 and used for measuring the temperature of the refining furnace 1.
During the in-service use, remove temperature measurement car body 5 and remove to refining furnace 1 side through guide rail 8, open refining furnace 1 bell 2, prepare the temperature measurement. The linear sliding table 12 is moved, the nitrogen purging pipe 3 is driven to move, the linear sliding table 12 and the fixing block 13 are fixed by screws after the nitrogen purging pipe 3 is moved to a proper position, the nitrogen purging pipe 3 is stably fixed at a specified height above the molten steel liquid level 10, and a part of smoke can be separated through the nitrogen purging pipe 3. Meanwhile, high-pressure nitrogen is introduced into a semi-closed space structure formed between the nitrogen purging pipe 3 and the inner pipe 11 through the nitrogen purging inlet 9, and the high-pressure nitrogen is finally blown out from the bottom of the nitrogen purging pipe 3 to further blow off smoke on the surface of the molten steel liquid level 10, so that the infrared thermometer 6 is not influenced by the smoke, and accurate temperature measurement is carried out. When an operator works around the refining furnace 1, the temperature measuring vehicle is moved away along the track 8, so that the whole temperature measuring vehicle is more convenient and flexible to use.
The embodiment is a preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and any obvious improvement, replacement or modification which can be made by those skilled in the art without departing from the essence of the present invention belongs to the protection scope of the present invention.
Claims (3)
1. The temperature measuring vehicle for measuring the temperature of the refining furnace is characterized by comprising a movable temperature measuring vehicle body (5) positioned on a track (8) around the refining furnace (1), wherein an infrared temperature measuring instrument (6) is installed on the movable temperature measuring vehicle body (5), and one end of the movable temperature measuring vehicle body (5) is welded with a radiation baffle plate (4); the temperature measuring vehicle further comprises a nitrogen purging pipe (3), the nitrogen purging pipe (3) is installed on the linear sliding table (12), the linear sliding table (12) is connected with the fixing block (13) in a clamped mode, the fixing block (13) is installed on the adjusting support (14), the adjusting support (14) is installed on the radiation blocking plate (4), and a plurality of screw holes (15) used for fixing are formed in the fixing block (13).
2. The temperature measuring vehicle for measuring the temperature of the refining furnace according to claim 1, wherein the infrared thermometer (6) is an optical fiber infrared thermometer (6), an optical fiber lens of the optical fiber infrared thermometer (6) is installed at one end of the nitrogen purging pipe (3) close to the radiation baffle (4), and the optical fiber lens is connected to the infrared thermometer (6) through an optical fiber (7).
3. The temperature measuring trolley for measuring the temperature of the refining furnace according to claim 1, wherein an inner pipe (11) is arranged in the nitrogen purging pipe (3), and a semi-closed space structure with an open bottom is formed between the nitrogen purging pipe (3) and the inner pipe (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023308991.XU CN214422679U (en) | 2020-12-31 | 2020-12-31 | A temperature measurement car for refining furnace temperature measurement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202023308991.XU CN214422679U (en) | 2020-12-31 | 2020-12-31 | A temperature measurement car for refining furnace temperature measurement |
Publications (1)
Publication Number | Publication Date |
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CN214422679U true CN214422679U (en) | 2021-10-19 |
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CN202023308991.XU Active CN214422679U (en) | 2020-12-31 | 2020-12-31 | A temperature measurement car for refining furnace temperature measurement |
Country Status (1)
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CN (1) | CN214422679U (en) |
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2020
- 2020-12-31 CN CN202023308991.XU patent/CN214422679U/en active Active
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