CN113984445A - Molten iron temperature measuring and sampling device and using method thereof - Google Patents
Molten iron temperature measuring and sampling device and using method thereof Download PDFInfo
- Publication number
- CN113984445A CN113984445A CN202111238117.XA CN202111238117A CN113984445A CN 113984445 A CN113984445 A CN 113984445A CN 202111238117 A CN202111238117 A CN 202111238117A CN 113984445 A CN113984445 A CN 113984445A
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- China
- Prior art keywords
- temperature measuring
- rod
- molten iron
- sampling
- sleeve
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 138
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 69
- 238000005070 sampling Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000523 sample Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/12—Thermometers specially adapted for specific purposes combined with sampling devices for measuring temperatures of samples of materials
- G01K13/125—Thermometers specially adapted for specific purposes combined with sampling devices for measuring temperatures of samples of materials for siderurgical purposes
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- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a molten iron temperature measurement sampling device and a using method thereof, and the device comprises: the operating rod is connected with the sleeve in a sliding manner, the front end of the operating rod is connected with the arc-shaped elbow, one end of the elbow is connected with the sampling rod, the front end of the sampling rod is connected with the sampling probe, the other end of the elbow is connected with the temperature measuring rod, the front end of the temperature measuring rod is connected with the temperature measuring probe, and the upper section of the operating rod is connected with the adjusting mechanism; the lower part of the sleeve is connected with a universal shaft, and the lower end of the universal shaft is rotatably connected with the supporting seat. The method comprises the following steps: according to the constant height of the molten iron liquid level, the constant position of the short sleeve on the operating rod is adjusted; the front ends of the sampling rod and the temperature measuring rod are positioned on the same horizontal plane; the sampling probe and the temperature measuring probe are simultaneously contacted with the molten iron liquid level; and (5) holding the operating handle to wait for the required temperature measuring time. The invention can conveniently and simultaneously measure the temperature and sample the molten iron in the iron ladle without being limited by factory conditions, thereby reducing the use cost and improving the working efficiency.
Description
Technical Field
The invention belongs to the technical field of metallurgy, and particularly relates to a molten iron temperature measuring and sampling device and a using method thereof.
Background
For converter steelmaking, the temperature and composition of molten iron charged into the converter must meet certain requirements. At present, most of molten iron required by smelting in a steel enterprise converter is transported by a torpedo ladle, and the torpedo ladle can be placed into a furnace for smelting after being turned over. The method is influenced by comprehensive factors such as long torpedo ladle transportation time, large slag carrying amount of molten iron, ladle-to-ladle operation, molten iron ladle condition and the like, so that fluctuation of temperature and components of molten iron entering a converter is easily caused, further, the process parameters of converter smelting operation and the structural proportion of scrap steel are frequently adjusted, the operation rate and the production organization efficiency of the converter are influenced, the quality of the molten steel is reduced, and even accidents are possibly caused. In order to well grasp the temperature and the components of the molten iron in the iron ladle after the molten iron pouring operation of the torpedo ladle, the temperature of the molten iron in the iron ladle needs to be measured and sampled.
The chinese patent specification discloses a molten iron temperature measurement sampling device (publication No. CN204286643U), and specifically discloses the following: the lifting pulley block is fixed at the top of the lifting support, and the lifting trolley is arranged on the side part of the lifting support; the temperature measuring gun is fixed at the end part of the gun rod, and a temperature measuring probe is arranged at the gun head of the temperature measuring gun; the sampling gun is fixed on the side wall of the gun rod, and a sampling probe is arranged on the gun head of the sampling gun; the gun rod is fixed on the lifting trolley, the steel wire rope bypasses a pulley of the lifting pulley block to enable one end of the steel wire rope to be connected with the lifting trolley, and the other end of the steel wire rope is connected with the lifting winch device. The device adopts the temperature measurement rifle that has temperature probe and the sampling gun of sampling probe to once only accomplish temperature measurement, sample work. However, the molten iron temperature measuring and sampling device is relatively complex in structure, high in investment cost, and easily restricted by the structure and height of a factory building, and brings great limitation to popularization and use.
Disclosure of Invention
The invention provides a molten iron temperature measuring and sampling device and a using method thereof, and aims to solve the technical problems that: the temperature measuring device is not limited by factory conditions, so that the molten iron in the iron ladle can be conveniently measured and sampled at the same time, the use cost is reduced, and the working efficiency is improved.
In order to achieve the above object, the present invention adopts the following technical solutions.
The device of the invention comprises:
the operating rod is inserted into the sleeve and is in sliding connection with the sleeve, the front end of the operating rod is connected with the arc-shaped elbow, one end of the elbow is connected with the sampling rod, the front end of the sampling rod is connected with the sampling probe, the other end of the elbow is connected with the temperature measuring rod, the front end of the temperature measuring rod is connected with the temperature measuring probe, the upper section of the operating rod is connected with the adjusting mechanism, and the tail end of the operating rod is connected with the operating handle; the lower part of the sleeve is connected with a universal shaft, and the lower end of the universal shaft is rotatably connected with the supporting seat.
Furthermore, the adjusting mechanism comprises a short sleeve and an adjusting bolt, the short sleeve is sleeved on the operating rod, a threaded through hole is formed in the upper wall of the short sleeve, the adjusting bolt is in threaded connection with the threaded through hole, and the front end of the adjusting bolt can be abutted against the operating rod.
Further, an included angle phi between the sleeve and the upper section of the universal shaft is 120 degrees.
Further, the operating rod is provided with a scale value.
The method comprises the following steps:
a. adjusting the constant position of the short sleeve on the operating rod according to the constant height of the molten iron liquid level in the iron ladle, then screwing an adjusting bolt, erecting a universal shaft and enabling the upper end of the sleeve to be in contact with the short sleeve;
b. rotating the operating handle to make the front ends of the sampling rod and the temperature measuring rod on the same horizontal plane;
c. the operating handle is pulled upwards, so that the sampling probe and the temperature measuring probe are simultaneously contacted with the molten iron liquid level in the iron ladle;
d. the operating handle is held by hand to wait for the required temperature measurement time until the temperature display displays the measured temperature;
e. the operating rod is rapidly pulled upwards to ensure that the sampling probe and the temperature measuring probe are separated from the molten iron liquid level simultaneously, thereby completing the sampling and temperature measuring work.
In the step a, when the liquid level of the molten iron exceeds a constant height, the adjusting short sleeve moves towards the front end of the operating rod, then the adjusting bolt is screwed, the universal shaft is erected, and the upper end of the sleeve is abutted against the short sleeve.
In the step a, when the liquid level of the molten iron is lower than the constant height, the adjusting short sleeve moves towards the rear end of the operating rod, then the adjusting bolt is screwed, the universal shaft is erected, and the upper end of the sleeve is enabled to be abutted against the short sleeve.
The molten iron temperature measuring and sampling device and the using method thereof can conveniently measure and sample molten iron in an iron ladle at the same time without being limited by factory conditions, reduce the using cost and improve the working efficiency.
Drawings
Fig. 1 is a schematic view of the present invention in partial section from the front.
Fig. 2 is a partial structural schematic diagram of the present invention.
Fig. 3 is a schematic top view of the structure of fig. 2.
Detailed Description
The present invention will be described in further detail below with reference to the attached drawings so as to be more clearly understood by those skilled in the art.
As shown in fig. 1, 2, and 3, the apparatus of the present invention includes:
the device comprises an operating rod 1, a sleeve 2 and a temperature measuring rod 5, wherein the operating rod is inserted into the sleeve and is in sliding connection with the sleeve, the front end of the operating rod is connected with an arc-shaped elbow 3, one end of the elbow is connected with a sampling rod 4, the front end of the sampling rod is connected with a sampling probe, the other end of the elbow is connected with the temperature measuring rod 5, the front end of the temperature measuring rod is connected with the temperature measuring probe, the upper section of the operating rod is connected with an adjusting mechanism, and the tail end of the operating rod is connected with an operating handle 6; the lower part of the sleeve is connected with a universal shaft 7, and the lower end of the universal shaft is rotatably connected with a supporting seat 8.
Furthermore, the adjusting mechanism comprises a short sleeve 9 and an adjusting bolt 10 which are sleeved on the operating rod, the upper wall of the short sleeve is provided with a threaded through hole, the adjusting bolt is in threaded connection with the threaded through hole, and the front end of the adjusting bolt can be abutted against the operating rod.
The distance between the front end of the operating rod and the molten iron liquid level can be adjusted through the adjusting mechanism so as to adapt to temperature measurement and sampling of molten iron liquid levels with different heights.
Further, an included angle phi between the sleeve and the upper section of the universal shaft is 120 degrees.
The universal shaft is adopted to lead the operating rod to flexibly and freely carry out multi-point temperature measurement and sampling on the liquid level of the molten iron. The included angle phi between the sleeve and the upper section of the universal shaft is 120 degrees, and the purpose is to enable the operating rod to have a proper inclination angle, so that the temperature measurement and sampling of operators are facilitated.
Further, the operating rod is provided with a scale value so as to provide numerical reference for an operator when the adjusting mechanism is adjusted.
The method comprises the following steps:
example one
a. When the height of the liquid level of molten iron in the iron ladle is 300mm, adjusting the constant position of the short sleeve on the operating rod, screwing the adjusting bolt, erecting the universal shaft and enabling the upper end of the sleeve to be abutted against the short sleeve;
b. the operating handle is rotated to enable the front ends of the sampling rod and the temperature measuring rod to be positioned on the same horizontal plane so as to ensure that the depths of the sampling probe and the temperature measuring probe entering the molten iron liquid level are consistent;
c. the operating handle is pulled upwards, so that the sampling probe and the temperature measuring probe are simultaneously contacted with the molten iron liquid level in the iron ladle;
d. the operating handle is held by hand to wait for the required temperature measurement time until the temperature display displays the measured temperature;
e. the operating rod is rapidly pulled upwards to ensure that the sampling probe and the temperature measuring probe are separated from the molten iron liquid level simultaneously, thereby completing the sampling and temperature measuring work.
Example two
a. When the height of the liquid level of molten iron in the iron ladle is 400mm, adjusting the short sleeve to move 200mm to the front end of the operating rod on a base point of a constant position according to a sine theorem, then screwing an adjusting bolt, erecting a universal shaft and enabling the upper end of the sleeve to be abutted against the short sleeve;
b. the operating handle is rotated to enable the front ends of the sampling rod and the temperature measuring rod to be positioned on the same horizontal plane so as to ensure that the depths of the sampling probe and the temperature measuring probe entering the molten iron liquid level are consistent;
c. the operating handle is pulled upwards, so that the sampling probe and the temperature measuring probe are simultaneously contacted with the molten iron liquid level in the iron ladle;
d. the operating handle is held by hand to wait for the required temperature measurement time until the temperature display displays the measured temperature;
e. the operating rod is rapidly pulled upwards to ensure that the sampling probe and the temperature measuring probe are separated from the molten iron liquid level simultaneously, thereby completing the sampling and temperature measuring work.
EXAMPLE III
a. When the height of the liquid level of molten iron in the iron ladle is 200mm, adjusting the short sleeve to move 200mm towards the rear end of the operating rod on a base point of a constant position according to a sine theorem, then screwing an adjusting bolt, erecting a universal shaft and enabling the upper end of the sleeve to be abutted against the short sleeve;
b. the operating handle is rotated to enable the front ends of the sampling rod and the temperature measuring rod to be positioned on the same horizontal plane so as to ensure that the depths of the sampling probe and the temperature measuring probe entering the molten iron liquid level are consistent;
c. the operating handle is pulled upwards, so that the sampling probe and the temperature measuring probe are simultaneously contacted with the molten iron liquid level in the iron ladle;
d. the operating handle is held by hand to wait for the required temperature measurement time until the temperature display displays the measured temperature;
e. the operating rod is rapidly pulled upwards to ensure that the sampling probe and the temperature measuring probe are separated from the molten iron liquid level simultaneously, thereby completing the sampling and temperature measuring work.
The molten iron temperature measuring and sampling device and the using method thereof can conveniently measure and sample molten iron in an iron ladle at the same time without being limited by factory conditions, reduce the using cost and improve the working efficiency.
The present invention is not limited to the above-mentioned embodiments, and various modifications made by those skilled in the art according to the concept of the present invention should fall within the scope of the claimed invention.
Claims (7)
1. The utility model provides a molten iron temperature measurement sampling device, includes action bars (1), its characterized in that: the operating rod is inserted into the sleeve (2) and is in sliding connection with the sleeve, the front end of the operating rod is connected with an arc-shaped elbow (3), one end of the elbow is connected with a sampling rod (4), the front end of the sampling rod is connected with a sampling probe, the other end of the elbow is connected with a temperature measuring rod (5), the front end of the temperature measuring rod is connected with the temperature measuring probe, the upper section of the operating rod is connected with an adjusting mechanism, and the tail end of the operating rod is connected with an operating handle (6); the lower part of the sleeve is connected with a universal shaft (7), and the lower end of the universal shaft is rotatably connected with a supporting seat (8).
2. The molten iron temperature measuring and sampling device according to claim 1, characterized in that: the adjusting mechanism comprises a short sleeve (9) and an adjusting bolt (10), the short sleeve is sleeved on the operating rod, a threaded through hole is formed in the upper wall of the short sleeve, the adjusting bolt is in threaded connection with the threaded through hole, and the front end of the adjusting bolt can be abutted against the operating rod.
3. The molten iron temperature measuring and sampling device according to claim 1 or 2, characterized in that: and the included angle phi between the sleeve and the upper section of the universal shaft is 120 degrees.
4. The molten iron temperature measuring and sampling device according to claim 3, characterized in that: the operating rod is provided with a scale value.
5. The use method of the molten iron temperature measuring and sampling device based on the multiple claims is characterized by comprising the following steps:
a. adjusting the constant position of the short sleeve on the operating rod according to the constant height of the molten iron liquid level in the iron ladle, then screwing an adjusting bolt, erecting a universal shaft and enabling the upper end of the sleeve to be in contact with the short sleeve;
b. rotating the operating handle to make the front ends of the sampling rod and the temperature measuring rod on the same horizontal plane;
c. the operating handle is pulled upwards, so that the sampling probe and the temperature measuring probe are simultaneously contacted with the molten iron liquid level in the iron ladle;
d. the operating handle is held by hand to wait for the required temperature measurement time until the temperature display displays the measured temperature;
e. the operating rod is rapidly pulled upwards to ensure that the sampling probe and the temperature measuring probe are separated from the molten iron liquid level simultaneously, thereby completing the sampling and temperature measuring work.
6. Use according to claim 4, characterized in that: in the step a, when the liquid level of the molten iron exceeds a constant height, the adjusting short sleeve moves towards the front end of the operating rod, then the adjusting bolt is screwed, the universal shaft is erected, and the upper end of the sleeve is abutted against the short sleeve.
7. Use according to claim 4, characterized in that: in the step a, when the liquid level of the molten iron is lower than the constant height, the adjusting short sleeve moves towards the rear end of the operating rod, then the adjusting bolt is screwed, the universal shaft is erected, and the upper end of the sleeve is enabled to be abutted against the short sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111238117.XA CN113984445B (en) | 2021-10-25 | 2021-10-25 | Molten iron temperature measurement sampling device and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111238117.XA CN113984445B (en) | 2021-10-25 | 2021-10-25 | Molten iron temperature measurement sampling device and use method thereof |
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| Publication Number | Publication Date |
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| CN113984445A true CN113984445A (en) | 2022-01-28 |
| CN113984445B CN113984445B (en) | 2024-02-02 |
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| JPS63103970A (en) * | 1986-10-21 | 1988-05-09 | Nippon Steel Corp | Method and device for automatically sampling molten metal |
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| CN208921492U (en) * | 2018-09-17 | 2019-05-31 | 河钢股份有限公司承德分公司 | A kind of refinement outside-furnace molten steel automatic detection device |
| CN209162112U (en) * | 2018-11-26 | 2019-07-26 | 华北理工大学 | A kind of converter slag specimen extraction element |
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| CN210736805U (en) * | 2019-11-11 | 2020-06-12 | 吴有林 | Blast furnace molten iron temperature measuring equipment |
| CN211235067U (en) * | 2019-10-12 | 2020-08-11 | 山西经济管理干部学院 | Molten steel temperature measurement sampling device |
| CN213068019U (en) * | 2020-07-04 | 2021-04-27 | 武安市裕华钢铁有限公司 | Molten steel simultaneous temperature measurement sampling device |
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2021
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| JPS63103970A (en) * | 1986-10-21 | 1988-05-09 | Nippon Steel Corp | Method and device for automatically sampling molten metal |
| JPH0534079A (en) * | 1991-07-26 | 1993-02-09 | Nkk Corp | Molten metal temperature measuring and device for sampling small-sized smelting furnace |
| JPH05148527A (en) * | 1991-11-29 | 1993-06-15 | Kawasaki Steel Corp | Sampling device for molten steel |
| JPH09157727A (en) * | 1995-11-30 | 1997-06-17 | Kawasaki Steel Corp | Instrument for measuring temperature and sampling used to converter |
| JPH09316514A (en) * | 1996-05-24 | 1997-12-09 | Nisshin Steel Co Ltd | Method for estimating carbon and chromium contents in molten steel in converter process of chromium-containing steel and device therefor and method for tapping molten steel thereof |
| JPH10267762A (en) * | 1997-03-27 | 1998-10-09 | Kawasaki Steel Corp | Sampling method and device in measuring temperature of molten metal |
| US6220748B1 (en) * | 1999-01-15 | 2001-04-24 | Alcoa Inc. | Method and apparatus for testing material utilizing differential temperature measurements |
| JP2001107117A (en) * | 1999-10-04 | 2001-04-17 | Okumura Mach Corp | Temperature-measuring and sampling device of molten metal in furnace |
| CN2407014Y (en) * | 2000-01-24 | 2000-11-22 | 首钢总公司 | Temperature sampler for converter |
| US6260633B1 (en) * | 2000-03-06 | 2001-07-17 | Michael D. Machek | Soil sampling apparatus removably attachable to a vehicle |
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| CN201242512Y (en) * | 2008-08-12 | 2009-05-20 | 武汉钢铁(集团)公司 | Novel apparatus for sampling molten steel |
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| KR20140017723A (en) * | 2012-07-31 | 2014-02-12 | 현대제철 주식회사 | Device for sampling molten metal |
| CN202830074U (en) * | 2012-09-29 | 2013-03-27 | 武汉钢铁(集团)公司 | Tilted sublance driving device |
| CN205719641U (en) * | 2016-06-23 | 2016-11-23 | 安阳钢铁股份有限公司 | A kind of lightweight molten iron temperature detecting, sampling composite probe |
| CN108152081A (en) * | 2017-11-15 | 2018-06-12 | 江苏弘烨精密铸造有限公司 | For the multisection type sampler of molten iron detection |
| CN107764594A (en) * | 2017-11-20 | 2018-03-06 | 中国重型机械研究院股份公司 | A kind of VOD swing types molten steel automatic temperature measurement sampler |
| CN208921492U (en) * | 2018-09-17 | 2019-05-31 | 河钢股份有限公司承德分公司 | A kind of refinement outside-furnace molten steel automatic detection device |
| CN209162112U (en) * | 2018-11-26 | 2019-07-26 | 华北理工大学 | A kind of converter slag specimen extraction element |
| CN210108524U (en) * | 2019-07-31 | 2020-02-21 | 湖南华菱涟源钢铁有限公司 | Temperature measurement sampling gun |
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| CN210736805U (en) * | 2019-11-11 | 2020-06-12 | 吴有林 | Blast furnace molten iron temperature measuring equipment |
| CN213068019U (en) * | 2020-07-04 | 2021-04-27 | 武安市裕华钢铁有限公司 | Molten steel simultaneous temperature measurement sampling device |
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| Publication number | Publication date |
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| CN113984445B (en) | 2024-02-02 |
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