CN115232902A - System, method and device for monitoring refractory material of molten iron runner and electronic equipment - Google Patents
System, method and device for monitoring refractory material of molten iron runner and electronic equipment Download PDFInfo
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- CN115232902A CN115232902A CN202210711636.1A CN202210711636A CN115232902A CN 115232902 A CN115232902 A CN 115232902A CN 202210711636 A CN202210711636 A CN 202210711636A CN 115232902 A CN115232902 A CN 115232902A
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- temperature
- molten iron
- iron runner
- side wall
- detection device
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/14—Discharging devices, e.g. for slag
Abstract
The invention discloses a system, a method, a device and electronic equipment for monitoring a refractory material of an iron runner, wherein the system comprises: the temperature detection device is connected with the upper computer; the temperature detection device is arranged between a steel shell of the molten iron runner and a refractory material in the molten iron runner, and is paved on a first side wall, a second side wall and a bottom surface of the molten iron runner along the flowing direction of molten iron; the temperature detection device is used for collecting the highest temperature in the molten iron ditch, the upper computer is used for acquiring the highest temperature, and the temperature abnormity reminding is sent out when the highest temperature is judged to be higher than the preset safety temperature. The system obtains the temperature change conditions of the refractory materials at different positions in the molten iron runner by detecting the temperature of the refractory materials of the molten iron runner, thereby being capable of more accurately judging the erosion degree of the refractory materials of the molten iron runner.
Description
Technical Field
The invention relates to the technical field of blast furnace ironmaking, in particular to a system, a method and a device for monitoring refractory materials of a molten iron runner and electronic equipment.
Background
The blast furnace tapping process is an important process link in blast furnace iron making production, and is mainly used for separating and shunting iron slag discharged from a blast furnace and discharging the iron slag into a molten iron tank and a slag flushing pool which correspond to each other. In the tapping process, the transportation and the separation of the iron slag are mainly completed in the iron runner, and the iron slag can corrode the refractory material of the iron runner at high temperature, so that the refractory material layer in the iron runner is gradually thinned until the refractory material layer is completely damaged. If the leakage is not timely found, high-temperature molten iron can be leaked, so that the structure of the iron runner and equipment below the iron runner can be damaged, the production of the blast furnace is influenced, and even the personnel safety can be threatened. Therefore, the method has important significance in the process of guaranteeing the stability and high efficiency of the production of the blast furnace by monitoring the running state of the iron runner refractory.
At present, the corrosion detection of the iron hook refractory mainly depends on manual work and experience, for example, a metal rod is inserted into the lower part of an iron layer, the residual thickness of the refractory is sensed, and the service time of the refractory is predicted according to the iron amount. The condition that the direct observation cannot be carried out inevitably causes the missed judgment and the wrong judgment is difficult to be observed directly. Therefore, how to judge the erosion degree of the iron runner refractory scientifically and efficiently is a problem to be solved at present.
Disclosure of Invention
The embodiment of the application provides a system, a method and a device for monitoring a molten iron runner refractory material, and electronic equipment.
In a first aspect, the present invention provides the following technical solutions through an embodiment of the present invention:
a system for monitoring a hot runner refractory, comprising: the temperature detection device is connected with the upper computer; the temperature detection device is arranged between a steel shell of the molten iron runner and a refractory material in the molten iron runner, and is paved on a first side wall, a second side wall and a bottom surface of the molten iron runner along the flowing direction of molten iron; the temperature detection device is used for collecting the highest temperature in the molten iron channel, and the upper computer is used for acquiring the highest temperature and sending out abnormal temperature prompt when judging that the highest temperature is higher than a preset safety temperature.
Preferably, the temperature detection device is a heat sensitive cable.
Preferably, a plurality of heat-sensitive cables are laid on the first side wall, the second side wall and the bottom surface of the molten iron ditch.
Preferably, two thermosensitive cables are laid on the first side wall, the second side wall and the bottom surface of the molten iron ditch.
Preferably, the temperature measuring range of the thermosensitive cable is between 30 ℃ and 600 ℃.
Preferably, a protective layer is further poured between the temperature detection device and the refractory material in the molten iron runner and used for protecting the temperature detection device.
Preferably, the system further comprises a display, the upper computer is connected with the display, and the display is used for displaying the temperature data.
In a second aspect, the present invention provides the following technical solutions according to an embodiment of the present invention:
a method for monitoring a hot runner refractory, applied to the system of any one of the preceding first aspects, the method comprising: acquiring the highest temperature acquired by the temperature detection device; judging whether the highest temperature is higher than a preset safety temperature or not; if yes, a temperature abnormity prompt is sent.
In a third aspect, the present invention provides the following technical solutions according to an embodiment of the present invention:
an apparatus for monitoring a hot-metal runner refractory, comprising:
the acquisition module is used for acquiring the highest temperature acquired by the temperature detection device;
the judging module is used for judging whether the highest temperature is higher than a preset safety temperature or not;
and the abnormity reminding module is used for sending out temperature abnormity reminding when the highest temperature is determined to be higher than the preset safety temperature.
In a fourth aspect, the present invention provides the following technical solutions according to an embodiment of the present invention:
an electronic device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method of the second aspect when executing the program.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
according to the system provided by the embodiment of the invention, the temperature detection device is arranged on the steel shell of the molten iron runner, so that the temperature detection device is paved on the first side wall, the second side wall and the bottom surface of the molten iron runner along the flowing direction of molten iron in the molten iron runner, the temperature detection device is used for collecting the highest temperature in the molten iron runner, and the upper computer is used for collecting the highest temperature of refractory materials in the molten iron runner and sending out abnormal temperature prompt when judging that the highest temperature is higher than the preset safe temperature. Lay the temperature-detecting device in the below of resistant material, when resistant material is corroded the thickness and changes by the molten iron, can gather the highest temperature of resistant material through the temperature-detecting device, the temperature that the resistant material that changes of maximum thickness takes place promptly, this application is through laying the temperature-detecting device uninterruptedly along the flow direction of molten iron, can detect the resistant material erosion degree of the whole highway section that the molten iron flowed through in the molten iron ditch, in order to realize easily taking place to burn out the full coverage of position to the molten iron ditch, obtain the highest temperature on the different positions of molten iron ditch along the line, can realize detecting comparatively comprehensively with lower manufacturing cost like this.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a system for monitoring a refractory material of a molten iron runner according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a method for monitoring refractory materials in a molten iron runner according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an apparatus for monitoring a hot-metal runner refractory according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The embodiment of the application provides a system, a method, a device and electronic equipment for monitoring the refractory material of the molten iron runner, and the system obtains the temperature change conditions of the refractory material at different positions in the molten iron runner by detecting the temperature of the refractory material of the molten iron runner, so that the erosion degree of the refractory material of the molten iron runner can be accurately judged.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
a system for monitoring a hot runner refractory, comprising: the temperature detection device is connected with the upper computer; the temperature detection device is arranged between a steel shell of the molten iron runner and a refractory material in the molten iron runner, and is paved on a first side wall, a second side wall and a bottom surface of the molten iron runner along the flowing direction of molten iron; the temperature detection device is used for collecting the highest temperature in the molten iron ditch, and the upper computer is used for acquiring the highest temperature and sending out abnormal temperature prompt when judging that the highest temperature is higher than a preset safety temperature.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
In a first aspect, an embodiment of the present invention provides a system for monitoring a refractory material of an iron runner, as shown in fig. 1, including: the temperature detection device 20 is connected with the upper computer 40, and the temperature detection device 20 is arranged between the steel shell 10 of the molten iron runner and the refractory material in the molten iron runner and is paved on the first side wall, the second side wall and the bottom surface of the molten iron runner along the flowing direction of the molten iron.
It can be understood that, since the temperature detection device 20 is laid under the refractory material, when the refractory material is corroded to change the thickness of the refractory material, the temperature value detected by the temperature detection device 20 at the corresponding position changes, that is, the corrosion degree of the refractory material can be determined based on the temperature value detected by the temperature detection device 20.
The temperature detecting device 20 may be a thermal cable, the temperature measuring range of the thermal cable may be 30 ℃ to 600 ℃, and the upper Computer may be a Computer, a PC (Personal Computer), or the like.
In a specific embodiment, the heat-sensitive cable is fixed on the steel shell of the molten iron channel and is laid on the first side wall, the second side wall and the bottom surface of the molten iron channel along the flowing direction of the molten iron. For example: a first thermosensitive cable is laid on the first side wall of the molten iron ditch and used for detecting the erosion degree of the refractory material at the first side wall, a second thermosensitive cable is laid on the second side wall and used for detecting the erosion degree of the refractory material at the second side wall, and a third thermosensitive cable is laid on the bottom surface and used for detecting the erosion degree of the refractory material at the bottom surface.
Specifically, the first thermosensitive cable, the second thermosensitive cable and the third thermosensitive cable may be laid in a straight line along the flowing direction of the molten iron, and preferably, they are laid in the middle area of the corresponding plane, so as to achieve a better detection effect. Alternatively, the first temperature-sensitive cable and the third temperature-sensitive cable may be laid on the side wall at a position close to the bottom surface, i.e., below the side wall.
In addition, the first thermosensitive cable, the second thermosensitive cable and the third thermosensitive cable may be laid in a curved state along the flow direction of the molten iron, for example: in an "s" type, a "rectangular pulse" type, a "triangular pulse" type, etc., to achieve detection over a larger area.
Further, in order to more accurately detect the erosion condition of the refractory, a plurality of thermal cables are laid on the first side wall, the second side wall and the bottom surface of the molten iron runner, preferably, two thermal cables are laid on the first side wall, the second side wall and the bottom surface of the molten iron runner, namely, the first thermal cable and the second thermal cable are laid on the first side wall of the molten iron runner, the third thermal cable and the third thermal cable are laid on the bottom surface of the molten iron runner, and the fifth thermal cable and the sixth thermal cable are laid on the second side wall of the molten iron runner. Preferably, the first thermosensitive cable and the second thermosensitive cable, the third thermosensitive cable and the fourth thermosensitive cable, and the fifth thermosensitive cable and the sixth thermosensitive cable are laid on the corresponding surfaces at the same interval, so that a better detection effect is realized.
As shown in fig. 1, a cross section of the molten iron trough after two heat-sensitive cables are laid on the first side wall, the second side wall and the bottom surface is illustrated, and the cross section is a cross section perpendicular to the flow direction of the molten iron slag.
Of course, as other alternative embodiments, three thermal cables, four thermal cables, and the like can be laid on the bottom surface and the first and second side walls of the molten iron bath. Or two thermosensitive cables are laid on the bottom surface of the molten iron runner, three thermosensitive cables are laid on the first side wall and the second side wall, three thermosensitive cables are laid on the bottom surface, and two thermosensitive cables are laid on the first side wall and the second side wall.
Further, in order to prevent the thermal cable from being corroded by molten iron, a protective layer 30 is further poured between the thermal cable and the refractory material in the molten iron runner for protecting the thermal cable, wherein the thickness of the protective layer 30 can be determined according to actual conditions, and the application is not limited. Alternatively, the material of the protective layer 30 may be Al 2 O 3 -SiC-C。
In a specific embodiment, the thermosensitive cable is used for collecting the highest temperature in the molten iron runner, and the thermosensitive cable is laid on the first side wall, the second side wall and the bottom surface in the molten iron runner, so that the thermosensitive cable can detect temperature data along a road, and the highest temperatures of different positions along the molten iron runner are obtained.
The bottom surface of the molten iron ditch, the first side wall and the second side wall are paved with two thermosensitive cables as an example, the first thermosensitive cable to the sixth thermosensitive cable are connected with the upper computer 40, the upper computer 40 firstly obtains the highest temperatures respectively detected by the first thermosensitive cable to the sixth thermosensitive cable, and then judges whether the highest temperature is higher than a preset safety temperature.
Specifically, when a plurality of maximum temperatures are obtained, it is respectively determined whether each maximum temperature is higher than a preset safe temperature, and if the maximum temperature higher than the preset safe temperature exists, a temperature abnormality prompt is sent to alarm, for example, the preset safe temperature may be 300 ℃.
Further, in order to obtain the thickness condition of the refractory material in real time so as to take protective measures in time, after obtaining the maximum temperature collected by the thermal cable, the method may further include: and determining the thickness of the refractory material corresponding to the highest temperature based on the highest temperature. Specifically, under the condition that other conditions are not changed, the temperature values detected by the thermosensitive cables corresponding to the refractory materials when the refractory materials are different in thickness can be obtained through a test mode and recorded, so that the temperature values under different refractory material thicknesses can be obtained, and a correspondence table between the thicknesses and the temperatures can be established. In the formal measurement process, the established corresponding table is inquired based on the highest temperature, so that the thickness of the refractory material corresponding to the highest temperature can be determined.
For example, the manner of collection by experiment may be: the temperature is collected once when the thickness of the refractory material is reduced by 1 mm, or the thickness of the refractory material is collected once when the temperature value is monitored to be increased by 5 ℃.
In a specific embodiment, when the obtained maximum temperature is multiple, the thickness of the refractory material corresponding to each maximum temperature is sequentially determined, and the determining process is as follows: and inquiring the established corresponding table aiming at each highest temperature, and determining the thickness of the refractory material corresponding to each highest temperature.
Further, this application can also include the display, and the host computer is connected with the display, and the display is used for showing temperature data. Particularly, the highest temperature detected by the thermosensitive cable is transmitted back to a data collector of the upper computer and is transmitted into a display in a digital signal form, so that the temperature of the refractory material during the running of the molten iron runner is monitored.
The display can store and display the temperature data, and give an alarm when the highest temperature exceeds the preset safe temperature, for example, the alarm can be presented in a pop-up window mode, and finally the monitoring of the corrosion state of the refractory material of the molten iron runner is realized.
This application is through fixing the temperature detection device on the iron runner steel casing to cover the castable of anti iron corrosion on temperature detection device upper portion, wherein the temperature detection device contains the temperature sensing cable of different positions, and different positions temperature sensing cable all lays along the molten iron flow direction, in order to guarantee to easily take place to burn out the full coverage of position to the iron runner, obtains the highest temperature data on the different positions of iron runner along the line, realizes the control to the resistant material temperature of iron runner during operation. The monitoring method can monitor the temperature of the molten iron runner refractory material for a long time, can obtain the temperature change conditions of the refractory material at different positions in the molten iron flowing direction, and analyzes the corrosion state of the molten iron runner refractory material so as to realize automatic monitoring and alarming of the corrosion condition of the molten iron runner refractory material, reduce the artificial risk and improve the detection efficiency.
In a second aspect, based on the same inventive concept, the present embodiment provides a method for monitoring the erosion degree of the refractory material of the molten iron runner, as shown in fig. 2, including:
step S101, acquiring the highest temperature acquired by the temperature detection device;
step S102, judging whether the highest temperature is higher than a preset safe temperature;
and S102, if so, sending a temperature abnormity prompt.
The method for monitoring the erosion degree of the refractory material of the molten iron runner provided by the embodiment of the invention has the same implementation principle and technical effect as the system embodiment, and for brief description, corresponding contents in the system embodiment can be referred to where the method embodiment is not mentioned.
In a third aspect, based on the same inventive concept, the present embodiment provides a device for monitoring the erosion degree of a refractory material of an iron runner, as shown in fig. 3, including:
an obtaining module 401, configured to obtain a highest temperature collected by a temperature detecting device;
a judging module 402, configured to judge whether the highest temperature is higher than a preset safe temperature;
and an anomaly reminding module 403, configured to send a temperature anomaly reminding when it is determined that the highest temperature is higher than the preset safe temperature.
The embodiment of the invention provides a device for monitoring the erosion degree of a refractory material of a molten iron runner, which has the same implementation principle and the same technical effects as the embodiment of the system.
In a fourth aspect, based on the same inventive concept, the present embodiment provides an electronic device 500, as shown in fig. 4, including: a memory 501, a processor 502 and a computer program 503 stored in the memory and running on the processor, wherein the processor 502 implements the steps of the method for monitoring the erosion degree of the molten iron channel refractory according to the second aspect when executing the program.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A system for monitoring a hot runner refractory, comprising: the temperature detection device is connected with the upper computer;
the temperature detection device is arranged between a steel shell of the molten iron runner and a refractory material in the molten iron runner, and is paved on a first side wall, a second side wall and a bottom surface of the molten iron runner along the flowing direction of molten iron;
the temperature detection device is used for collecting the highest temperature in the molten iron ditch, and the upper computer is used for acquiring the highest temperature and sending out abnormal temperature prompt when judging that the highest temperature is higher than a preset safety temperature.
2. The system of claim 1, wherein the temperature sensing device is a thermal cable.
3. The system of claim 2, wherein the first side wall, the second side wall, and the bottom surface of the molten iron bath are provided with a plurality of thermal cables.
4. The system of claim 3, wherein the first side wall, the second side wall and the bottom surface of the molten iron bath are provided with two thermal cables.
5. The system of claim 2, wherein the temperature sensing cable measures between 30 ℃ and 600 ℃.
6. The system of claim 1, wherein a protective layer is further poured between the temperature detection device and the refractory material in the molten iron runner for protecting the temperature detection device.
7. The system of claim 1, further comprising a display, wherein the host computer is connected to the display, and wherein the display is configured to display the temperature data.
8. A method for monitoring the erosion degree of refractory of a molten iron runner, which is applied to the system according to any one of claims 1 to 7, the method comprising:
acquiring the highest temperature acquired by the temperature detection device;
judging whether the highest temperature is higher than a preset safety temperature or not;
if yes, a temperature abnormity prompt is sent.
9. A device for monitoring the erosion degree of refractory of a molten iron runner, which is applied to the system according to any one of claims 1 to 7, comprising:
the acquisition module is used for acquiring the highest temperature acquired by the temperature detection device;
the judging module is used for judging whether the highest temperature is higher than a preset safety temperature or not;
and the abnormity reminding module is used for sending out temperature abnormity reminding when the highest temperature is determined to be higher than the preset safety temperature.
10. An electronic device, comprising: memory, processor and computer program stored on the memory and executable on the processor, the processor implementing the steps of the method of any one of claim 8 when executing the program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210711636.1A CN115232902A (en) | 2022-06-22 | 2022-06-22 | System, method and device for monitoring refractory material of molten iron runner and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210711636.1A CN115232902A (en) | 2022-06-22 | 2022-06-22 | System, method and device for monitoring refractory material of molten iron runner and electronic equipment |
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| CN115232902A true CN115232902A (en) | 2022-10-25 |
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| CN202210711636.1A Pending CN115232902A (en) | 2022-06-22 | 2022-06-22 | System, method and device for monitoring refractory material of molten iron runner and electronic equipment |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2922810A1 (en) * | 1979-06-05 | 1980-12-18 | Beck & Kaltheuner Fa | Refractory linings for tapping gutters - using bricks made of one refractory resisting attack by molten iron, and second refractory resisting attack by molten slag |
| CN213652556U (en) * | 2020-07-31 | 2021-07-09 | 上海梅山钢铁股份有限公司 | Blast furnace tapping iron runner temperature measurement system |
| CN215517504U (en) * | 2021-09-27 | 2022-01-14 | 山东鲁冶瑞宝电气自动化有限公司 | Blast furnace iron runner |
-
2022
- 2022-06-22 CN CN202210711636.1A patent/CN115232902A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2922810A1 (en) * | 1979-06-05 | 1980-12-18 | Beck & Kaltheuner Fa | Refractory linings for tapping gutters - using bricks made of one refractory resisting attack by molten iron, and second refractory resisting attack by molten slag |
| CN213652556U (en) * | 2020-07-31 | 2021-07-09 | 上海梅山钢铁股份有限公司 | Blast furnace tapping iron runner temperature measurement system |
| CN215517504U (en) * | 2021-09-27 | 2022-01-14 | 山东鲁冶瑞宝电气自动化有限公司 | Blast furnace iron runner |
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