CN113984445B - Molten iron temperature measurement sampling device and use method thereof - Google Patents
Molten iron temperature measurement sampling device and use method thereof Download PDFInfo
- Publication number
- CN113984445B CN113984445B CN202111238117.XA CN202111238117A CN113984445B CN 113984445 B CN113984445 B CN 113984445B CN 202111238117 A CN202111238117 A CN 202111238117A CN 113984445 B CN113984445 B CN 113984445B
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- China
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- rod
- molten iron
- sampling
- sleeve
- temperature measuring
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000005070 sampling Methods 0.000 title claims abstract description 59
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 50
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000523 sample Substances 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 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
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
Landscapes
- 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 use method thereof, which is used as a device and comprises the following steps: the front end of the operating rod is connected with an arc-shaped elbow, one end of the elbow is connected with a sampling rod, 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, 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 an adjusting mechanism; the lower part of the sleeve is connected with a universal shaft, and the lower end of the universal shaft is rotationally connected with the supporting seat. As a method, comprising: according to the constant height of the liquid level of the molten iron, 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 liquid level of the molten iron; and holding the operating handle to wait for the required temperature measurement time. The invention can conveniently and rapidly measure and sample the molten iron in the ladle at the same time 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 measurement sampling device and a use method thereof.
Background
For converter steelmaking, the temperature and the composition of molten iron fed into the converter must meet certain requirements. At present, most molten iron required by smelting in a steel rabbet converter is transported by a torpedo tank, and the torpedo tank is filled into a factory and then is subjected to ladle-to-ladle operation to be filled into the furnace for smelting. The method is influenced by comprehensive factors such as long transportation time of the torpedo ladle, large slag quantity of molten iron, ladle-down operation, molten iron condition and the like, and is easy to cause fluctuation of temperature and components of molten iron entering the furnace, so that the converter smelting operation process parameters and the scrap steel structure proportion are frequently adjusted, the converter operation rate and the production organization efficiency are influenced, the quality of the molten steel is reduced, and even accidents are possibly caused. In order to well master the temperature and the composition of the molten iron in the ladle after the pouring operation of the molten iron in the torpedo ladle, the temperature measurement and the sampling of the molten iron in the ladle are necessary.
The Chinese patent specification discloses a molten iron temperature measurement sampling device (publication No. CN 204286643U), and specifically discloses the following: the lifting pulley block is fixed at the top of the lifting bracket, and the lifting trolley is arranged at the side part of the lifting bracket; the temperature measuring gun is fixed at the end part of the gun rod, and the gun head of the temperature measuring gun is provided with a temperature measuring probe; the sampling gun is fixed on the side wall of the gun rod, and the gun head of the sampling gun is provided with a sampling probe; the gun rod is fixed on the lifting trolley, the steel wire rope bypasses the 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 a temperature measuring gun with a temperature measuring probe and a sampling gun with a sampling probe to finish temperature measurement and sampling at one time. However, the molten iron temperature measurement sampling device has relatively complex structure and high input cost, is easily restricted by the structure and the height of a factory building, and brings great limitation to popularization and use.
Disclosure of Invention
The invention provides a molten iron temperature measurement sampling device and a use method thereof, which aims to solve the technical problems that: the device is not limited by factory conditions, and can be used for conveniently and rapidly measuring and sampling the temperature of the molten iron in the ladle, so that 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 scheme.
The device according to the present 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 an 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 rotationally connected with the supporting seat.
Further, the adjusting mechanism comprises a short sleeve and an adjusting bolt, wherein the short sleeve and the adjusting bolt are 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 scale values.
As a method of the present invention, the method comprises the steps of:
a. according to the constant height of the molten iron liquid level in the ladle, regulating the constant position of the short sleeve on the operating rod, screwing the regulating bolt, erecting the universal shaft and enabling the upper end of the sleeve to be in contact with the short sleeve;
b. rotating the operating handle to enable the front ends of the sampling rod and the temperature measuring rod to be positioned on the same horizontal plane;
c. pulling the operating handle upwards to enable the sampling probe and the temperature measuring probe to simultaneously contact the liquid level of molten iron in the ladle;
d. holding the operating handle to wait for the required temperature measurement time until the temperature display displays the measured temperature;
e. the operating rod is rapidly pulled upwards, so that the sampling probe and the temperature measuring probe are simultaneously separated from the molten iron liquid level, and the sampling and temperature measuring work is completed.
In the step a, when the liquid level of the molten iron exceeds a constant height, the short sleeve is adjusted to move 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 a constant height, the short sleeve is adjusted to move 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 abutted against the short sleeve.
The device for measuring and sampling the molten iron and the using method thereof can measure and sample the molten iron in the ladle conveniently and simultaneously without being limited by factory conditions, thereby reducing the use cost and improving the working efficiency.
Drawings
Fig. 1 is a schematic view of a front view, partially cut-away, structure of the present invention.
Fig. 2 is a schematic view of a part of the structure of the present invention.
Fig. 3 is a schematic top view of fig. 2.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings so as to facilitate a more clear understanding to 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, wherein the operating rod is inserted into a 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.
Further, the adjusting mechanism comprises a short sleeve 9 and an adjusting bolt 10 which are 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.
The distance between the front end of the operating rod and the molten iron liquid level can be adjusted through the adjusting mechanism, so that the temperature measurement and sampling of the molten iron liquid levels with different heights can be adapted.
Further, an included angle phi between the sleeve and the upper section of the universal shaft is 120 degrees.
The universal shaft is adopted, so that the operating rod can flexibly and freely carry out multipoint 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, so that the operating rod has a proper inclination angle, and the temperature measurement and sampling of an operator are facilitated.
Further, the operating lever is provided with scale values so as to provide numerical references for operators when the adjusting mechanism is adjusted.
As a method of the present invention, the method comprises the steps of:
example 1
a. When the height of the molten iron liquid level in the ladle is 300mm, regulating the constant position of the short sleeve on the operating rod, screwing the regulating bolt, erecting the universal shaft and enabling the upper end of the sleeve to be in contact with the short sleeve;
b. rotating the operating handle 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. pulling the operating handle upwards to enable the sampling probe and the temperature measuring probe to simultaneously contact the liquid level of molten iron in the ladle;
d. holding the operating handle to wait for the required temperature measurement time until the temperature display displays the measured temperature;
e. the operating rod is rapidly pulled upwards, so that the sampling probe and the temperature measuring probe are simultaneously separated from the molten iron liquid level, and the sampling and temperature measuring work is completed.
Example two
a. When the height of the molten iron liquid level in the ladle is 400mm, according to the sine theorem, on a base point of a constant position, the short sleeve is adjusted to move by 200mm 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;
b. rotating the operating handle 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. pulling the operating handle upwards to enable the sampling probe and the temperature measuring probe to simultaneously contact the liquid level of molten iron in the ladle;
d. holding the operating handle to wait for the required temperature measurement time until the temperature display displays the measured temperature;
e. the operating rod is rapidly pulled upwards, so that the sampling probe and the temperature measuring probe are simultaneously separated from the molten iron liquid level, and the sampling and temperature measuring work is completed.
Example III
a. When the height of the molten iron liquid level in the ladle is 200mm, according to the sine theorem, on a base point of a constant position, the short sleeve is adjusted to move by 200mm 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 abutted against the short sleeve;
b. rotating the operating handle 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. pulling the operating handle upwards to enable the sampling probe and the temperature measuring probe to simultaneously contact the liquid level of molten iron in the ladle;
d. holding the operating handle to wait for the required temperature measurement time until the temperature display displays the measured temperature;
e. the operating rod is rapidly pulled upwards, so that the sampling probe and the temperature measuring probe are simultaneously separated from the molten iron liquid level, and the sampling and temperature measuring work is completed.
The device for measuring and sampling the molten iron and the using method thereof can measure and sample the molten iron in the ladle conveniently and simultaneously without being limited by factory conditions, thereby reducing the use cost and improving the working efficiency.
The present invention is not limited to the above-described embodiments, and various modifications to the technical solution thereof by those skilled in the art according to the inventive concept should fall within the scope of the claimed invention.
Claims (5)
1. The application method of the molten iron temperature measurement sampling device is characterized by comprising the following steps of:
a. according to the constant height of the molten iron liquid level in the ladle, regulating the constant position of the short sleeve on the operating rod, screwing the regulating bolt, erecting the universal shaft and enabling the upper end of the sleeve to be in contact with the short sleeve;
b. rotating the operating handle to enable the front ends of the sampling rod and the temperature measuring rod to be positioned on the same horizontal plane;
c. pulling the operating handle upwards to enable the sampling probe and the temperature measuring probe to simultaneously contact the liquid level of molten iron in the ladle;
d. holding the operating handle to wait for the required temperature measurement time until the temperature display displays the measured temperature;
e. the operating rod is rapidly pulled upwards, so that the sampling probe and the temperature measuring probe are simultaneously separated from the molten iron liquid level, and the sampling and temperature measuring work is completed;
the molten iron temperature measurement sampling device comprises an operating rod (1), wherein the operating rod is inserted into a 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 rotationally connected with a supporting seat (8); the adjusting mechanism comprises a short sleeve (9) and an adjusting bolt (10) which are 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.
2. The method of use according to claim 1, wherein: in the step a, when the liquid level of the molten iron exceeds a constant height, the short sleeve is adjusted to move 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.
3. The method of use according to claim 2, wherein: in the step a, when the liquid level of the molten iron is lower than a constant height, the short sleeve is adjusted to move 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 abutted against the short sleeve.
4. A method of use according to claim 3, wherein: the included angle phi between the sleeve and the upper section of the universal shaft is 120 degrees.
5. The method of use according to claim 4, wherein: the operating rod is provided with scale values.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113984445A CN113984445A (en) | 2022-01-28 |
| CN113984445B true CN113984445B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111238117.XA Active CN113984445B (en) | 2021-10-25 | 2021-10-25 | Molten iron temperature measurement sampling device and use method thereof |
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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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| 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 |
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| US6260633B1 (en) * | 2000-03-06 | 2001-07-17 | Michael D. Machek | Soil sampling apparatus removably attachable to a vehicle |
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| 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 |
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| 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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| 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 |
Also Published As
| Publication number | Publication date |
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| CN113984445A (en) | 2022-01-28 |
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