CN114686628A - Blast furnace water temperature difference thermal load data detection system and method - Google Patents
Blast furnace water temperature difference thermal load data detection system and method Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 59
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- 230000004927 fusion Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000013507 mapping Methods 0.000 claims description 2
- 238000003723 Smelting Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 11
- 238000009826 distribution Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/10—Cooling; Devices therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
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- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
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- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
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Abstract
The invention belongs to the technical field of blast furnace smelting, and particularly relates to a blast furnace water temperature difference thermal load data detection system and a method, which comprise a client and a server; the client comprises: the data acquisition module is arranged on a blast furnace production site and comprises an acquisition unit and a conversion unit which are electrically connected; the data communication module comprises a protocol conversion gateway, a photoelectric converter and a switch which are in communication connection; the RS485 signal output by the conversion unit is subjected to multi-channel protocol conversion after passing through the protocol conversion gateway, so that Modbus-TCP signals are collected; the collected Modbus-TCP signals are converted into optical signals through the photoelectric converter and then transmitted to a main control building switch; the server side adopts a data processing module connected with the data communication module; a real-time and accurate data acquisition system is constructed based on the data acquisition sensor and the data communication network, and the speed and the accuracy of data transmission are improved.
Description
Technical Field
The invention belongs to the technical field of blast furnace smelting, and particularly relates to a blast furnace water temperature difference heat load data detection system and method.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
With the development of instrument detection and automatic control technology in the metallurgical industry, the monitoring of the production process of the blast furnace is more and more strict in order to improve the safety of the production of the blast furnace and increase the furnace life of the blast furnace. A blast furnace cooling water temperature difference heat load data monitoring system is a latest detection system of a blast furnace in recent years, and the detection system mainly comprises a data detection sensor, a data acquisition module, a data processing module and expert model software. The system is vital to the production of the blast furnace, so that the data acquisition system is required to have the characteristics of high stability, high reliability, high precision and the like.
According to the inventor, because the cooling water flow rate of the cooling wall of the blast furnace is high, the difference value of the water temperature difference of the adjacent cooling walls is small, and the requirement on the temperature detection precision is high, the conventional temperature and flow detection method is that a high-precision temperature sensor and a flow sensor are arranged on the cooling water branch pipe of the cooling wall of the blast furnace at present, 4-20mA analog signals are output and transmitted to a signal acquisition integration module, then the analog signals are transmitted to a heat load model server of the upper water temperature difference of a main control building of the blast furnace, the water temperature difference and the heat flow intensity change are monitored in real time, and further technical signals and technical parameters required by the production of the blast furnace are obtained through model calculation. The current data acquisition system is easily influenced by wire resistance, electromagnetic interference and the like in the data transmission process, so that data distortion is caused, and the calculation precision of a blast furnace water temperature difference heat load model and the production monitoring effect of a blast furnace are influenced.
Disclosure of Invention
In order to solve the problems, the present disclosure provides a blast furnace water temperature difference thermal load data detection system and method, which construct a real-time and accurate data acquisition system based on a data acquisition sensor and a data communication network, and improve the speed and accuracy of data transmission.
According to some embodiments, a first aspect of the present disclosure provides a blast furnace water temperature difference thermal load data detection system, which adopts the following technical solutions:
a blast furnace water temperature difference thermal load data detection system comprises a client; the client comprises:
the data acquisition module is arranged on a blast furnace production site and comprises an acquisition unit and a conversion unit which are electrically connected;
the data communication module comprises a protocol conversion gateway, a photoelectric converter and a switch which are in communication connection; the RS485 signal output by the conversion unit is subjected to multi-channel protocol conversion after passing through the protocol conversion gateway, so that Modbus-TCP signals are collected; and the collected Modbus-TCP signals are converted into optical signals by the photoelectric converter and then transmitted to the switchboard of the main control building.
As one or more embodiments, the blast furnace water temperature difference heat load data detection system further comprises a server side, and the server side adopts a data processing module connected with the data communication module.
In one or more embodiments, the collecting unit is arranged on a cooling water branch pipe at the inlet of each layer of the cooling wall of the blast furnace, a temperature sensor and a flow sensor are arranged on the first layer, and only the temperature sensor is arranged on the other layers.
Further, the conversion unit adopts an A/D converter; the A/D converter is used for converting analog quantity signals acquired by the temperature sensor and the flow sensor into RS485 digital signals, is arranged at the tail ends of the temperature sensor and the flow sensor, and is connected with the acquisition unit and the data communication module; the number of the A/D converters and the temperature sensors is kept consistent.
Further, a protocol conversion gateway far away from the A/D converter side is connected with the A/D converter through a cable, and the protocol conversion gateway performs multi-channel fusion on a protocol output by the A/D converter to obtain a Modbus-TCP signal.
In one or more embodiments, the signal is transmitted to the main control building switch through the optical fiber after passing through the photoelectric converter.
According to some embodiments, a second aspect of the present disclosure provides a method for detecting blast furnace water temperature difference thermal load data, which adopts the following technical solutions:
a blast furnace water temperature difference heat load data detection method adopts a blast furnace water temperature difference heat load data detection system provided in a first scheme, and comprises the following steps:
acquiring cooling water data of a blast furnace site;
converting the acquired data into an RS485 signal through a conversion unit;
the obtained RS485 signal is transmitted to a protocol conversion gateway through an RS485 communication line, and the multi-channel RS485 signal is converted into 1 path of Modbus-TCP signal to be output, so that multi-channel protocol conversion is realized;
the obtained Modbus-TCP signal is transmitted to a switch through a photoelectric converter and then transmitted to a server side through the switch; and realizing data acquisition and transmission of a blast furnace production field based on a server side.
As a further technical limitation, the specific process of the multi-channel protocol conversion is to input a 16-channel RS485 signal, convert the mapping relationship in the gateway through the protocol, register the data in the gateway, and read the field signal data through the IP address and the data register address by converting the Modbus-TCP data communication protocol.
According to some embodiments, a third aspect of the present disclosure provides a computer-readable storage medium, which adopts the following technical solutions:
a computer-readable storage medium, on which a program is stored, which when executed by a processor, implements the steps in the blast furnace water temperature difference thermal load data detection method according to the second aspect of the present disclosure.
According to some embodiments, a fourth aspect of the present disclosure provides an electronic device, which adopts the following technical solutions:
an electronic device comprises a memory, a processor and a program stored on the memory and capable of running on the processor, wherein the processor executes the program to realize the steps of the method for detecting the blast furnace water temperature difference heat load data according to the second aspect of the disclosure.
Compared with the prior art, the beneficial effect of this disclosure is:
the invention discloses a brand-new blast furnace water temperature difference heat load data detection system, discloses a new data acquisition method based on the constructed system, accurately acquires blast furnace water temperature difference heat load data in real time, and tracks and monitors required field blast furnace operation data in real time; a blast furnace water temperature difference heat load model is established based on the acquired data, the current operation situation of the blast furnace is monitored, the operation state of the blast furnace is predicted, the overall operation efficiency of the blast furnace is improved, energy is saved, consumption is reduced, production safety is facilitated, and good economic benefit and social value are created.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
FIG. 1 is a block diagram of a blast furnace water temperature difference thermal load data detection system according to a first embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a temperature sensor structure and installation according to a first embodiment of the disclosure;
fig. 3 is a flowchart of a blast furnace water temperature difference thermal load data detection method in the second embodiment of the present disclosure.
Detailed Description
The present disclosure is further described with reference to the following drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. For persons skilled in the art, the specific meanings of the above terms in the present disclosure can be determined according to specific situations, and are not to be construed as limitations of the present disclosure.
The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
Example one
The first embodiment of the disclosure introduces a blast furnace water temperature difference thermal load data detection system.
Fig. 1 and 2 show a blast furnace water temperature difference thermal load data detection system, which comprises a client and a server; the client comprises a data acquisition module and a data communication module.
The data acquisition module is arranged on a blast furnace production site and comprises an acquisition unit and a conversion unit which are electrically connected; the collecting unit is arranged on a cooling water branch pipe at the inlet of each layer of cooling wall of the blast furnace, and the first layer comprises a temperature sensor and a flow sensor; the other layers include only temperature sensors; the conversion unit adopts an A/D converter; the A/D converter is used for converting analog quantity signals acquired by the temperature sensor and the flow sensor into RS485 digital signals, is arranged at the tail ends of the temperature sensor and the flow sensor, and is connected with the acquisition unit and the data communication module; the number of the A/D converters and the temperature sensors is kept consistent; and the protocol conversion gateway far away from the A/D converter side is connected with the A/D converter through a cable, and the protocol conversion gateway performs multi-channel fusion on the protocol output by the A/D converter to obtain a Modbus-TCP signal.
The data communication module comprises a protocol conversion gateway, a photoelectric converter and a switch which are in communication connection; the RS485 signal output by the conversion unit is subjected to multi-channel protocol conversion after passing through a protocol conversion gateway, so that Modbus-TCP signals are collected; and the collected Modbus-TCP signals are transmitted to a main control building switch through an optical fiber after passing through a photoelectric converter.
In this embodiment, the hardware device of the blast furnace water temperature difference thermal load data detection system includes an integrated high-precision wired digital temperature sensor, a split electromagnetic flowmeter, a multi-channel protocol conversion gateway, an industrial-grade switch, a UPS power supply, a distribution box, a gateway protection box, a photoelectric converter, a water temperature difference thermal load model server, an optical fiber, a network cable, a power supply cable, and an RS485 communication cable. The temperature sensor is arranged on a cooling water branch pipe of the blast furnace wall, is installed by screw threads and can be replaced under pressure on line, and the installation drawing is shown in figure 2 in detail.
The integrated high-precision wired digital temperature sensor shown in fig. 2 comprises a PT1000 high-precision temperature measuring thermal resistor, a manual ball valve, a blocker and an A/D (analog-to-digital) conversion unit; the non-threaded end of the straight connector is welded on the cooling water pipeline, the manual ball valve is fixed on the straight connector through threads, and a valve handle of the manual valve is upward for operation. The barrier is used for waterproof sealing, and the temperature sensor can be replaced under pressure. The A/D analog-to-digital conversion unit and the PT1000 high-precision temperature measurement thermal resistor are integrally installed, analog signals are directly converted into digital signals to be output, and errors caused in the process of analog quantity transmission are avoided.
The data required by the blast furnace cooling water temperature difference thermal load model mainly comprise cooling water flow of the cooling wall and inlet and outlet cooling water temperature of each layer of cooling wall. The cooling water flow data detection sensor adopts a split type electromagnetic flowmeter, is arranged on a cooling water branch pipe at the inlet of a first section cooling wall of the blast furnace and is arranged on a flange; the transmitting display unit is arranged on the blast furnace platform nearby in a centralized manner, the transmitting display unit is powered by 220V AC, and RS485 digital signals are output. The temperature data detection sensor for the inlet and outlet cooling water of the cooling wall adopts an integrated high-precision wired digital temperature sensor, a thermal resistor and an A/D converter integrated structure (in the embodiment, the thermal resistor is a German Heley (Heraeus) M222 series PT1000 platinum resistor, and the measurement precision is +/-0.05 (10-60 ℃)); the temperature transmitting A/D conversion circuit element is integrally installed and placed on site, and is stable, reliable, high in precision, good in repeatability and anti-interference performance and low in temperature drift. 24 bit A/D conversion, precision is not less than 0.1 FS. The temperature transmitting A/D conversion module needs 24V DC power supply, the highest transmission rate of the output RS485 digital signal RS-485 data is 10Mbps, and the combination of a balanced driver and a differential receiver is adopted, so that the common-mode interference resistance is high, and the noise interference resistance is good.
The data communication network mainly comprises a protocol conversion gateway (RS485 converts Modbus-TCP), an industrial switch, a photoelectric converter, a network cable, a single-mode optical fiber and the like. The protocol conversion gateways are uniformly distributed at all positions of the blast furnace platform, RS485 signals output by the flow and temperature detection equipment enter the protocol conversion gateways nearby, data signals are transmitted to the switch (one is arranged on each layer of the blast furnace platform) through the network cable after being converted into Modbus-TCP signals, and finally, the acquired data are transmitted to the switch connected with the blast furnace cooling water temperature difference heat load model server of the blast furnace main control building from the local switch through single mode optical fibers, and the data are used for monitoring picture display and model calculation.
After the temperature and flow sensor detects the analog signal, the A/D conversion is carried out nearby on the spot, the analog quantity is converted into an RS485 digital signal, the digital signal is transmitted in the circuit, and the error caused in the transmission process of the analog signal is avoided.
In the embodiment, the German Heley (Heraeus) M222 series PT1000 platinum resistor is used for detecting the temperature, and the 24-bit analog/digital conversion unit with high precision, good repeatability and anti-interference performance and low temperature drift is combined, so that the temperature detection precision can meet the requirement of +/-0.05 (10-60 ℃). The RS485 signal output by the sensor enters the multichannel protocol conversion gateway nearby and is converted into a Modbus-TCP signal and then transmitted through the network cable, a large number of RS485 communication cables are saved, the data transmission speed is improved, and the real-time performance of data is guaranteed.
Example two
The second embodiment of the disclosure introduces a blast furnace water temperature difference thermal load data detection method based on the blast furnace water temperature difference thermal load data detection system introduced in the first embodiment.
As shown in fig. 3, a method for detecting blast furnace water temperature difference thermal load data includes the following steps:
acquiring cooling water data of a blast furnace site;
converting the acquired data into an RS485 signal through a conversion unit;
the obtained RS485 signal is transmitted to a protocol conversion gateway through an RS485 communication line, and the multi-channel RS485 signal is converted into 1 path of Modbus-TCP signal to be output, so that multi-channel protocol conversion is realized;
the obtained Modbus-TCP signal is transmitted to a switch through a photoelectric converter and then transmitted to a server side through the switch; and realizing data acquisition and transmission of a blast furnace production field based on a server side.
In the embodiment, the integrated high-precision wired digital temperature sensor is installed on a cooling water branch pipe of the furnace wall of the blast furnace by combining with the system hardware structure introduced in the first embodiment, the integrated high-precision wired digital temperature sensor is fixedly installed through threads, and the isolator can be replaced under online pressure. The protocol conversion gateway is installed in a gateway box and installed on site, one layer is arranged on a 3.7m platform of the blast furnace, the other layer is arranged on a 24.64m platform of the blast furnace, each layer is uniformly arranged at equal intervals, the temperature sensors output RS485 signals and enter the protocol conversion gateway nearby through RS485 special communication cables, and the gateway box is used for matching 24V DC power supplies for each temperature sensor. A gateway distribution box is arranged on each of the 3.7m platform and the 24.6m platform, a 220V AC power supply is distributed to the temperature sensor gateway boxes, a switch is arranged in each distribution box, Modbus-TCP signals output by the protocol conversion gateways of each layer of platform are collected, and then the Modbus-TCP signals are transmitted to a blast furnace main control building water temperature difference heat load model server through single-mode optical fibers.
The flowmeter is installed in a split mode, the sensor is installed on the cooling water branch pipe of the cooling wall through a flange, and one cooling wall detects the flow of the cooling water branch pipe. The flowmeter transmitting display unit is mounted at four corners of a 3.7m platform of the blast furnace in a centralized wall-hanging manner and displays in a centralized manner. The flowmeter transmitting display unit outputs RS485 signals, and the signals enter a protocol conversion gateway in the gateway box. And a flowmeter distribution box is arranged on the 3.7m platform, and a 220V AC power supply is distributed to the flowmeter transmission display unit.
The specific principle of data detection is as follows: the on-site temperature sensor PT1000 thermal resistor converts the temperature into a corresponding resistance value; a 24-bit A/D analog-to-digital conversion unit of the temperature sensor converts the thermal resistance signal into an RS485 signal for output; the RS485 signal is transmitted to a field protocol conversion gateway through an RS485 special communication cable, the gateway can receive a 16-channel RS485 data signal and convert the RS485 signal into 1 path of Modbus-TCP signals to be output; a 16-channel switch is arranged in a distribution box on each layer of platform, and Modbus-TCP signals output by the protocol conversion gateway are collected through a network cable; the connection between the optical fiber and the switch is realized through the photoelectric converter, and the data acquired on site by the blast furnace platform is transmitted to the switch of the main control room of the blast furnace main control building through the optical fiber; the blast furnace water temperature difference heat load model server is connected with a switch of a main control room through a network cable, data reading software is installed in the server, data collected on site are read and stored in a database for data monitoring display and model calculation.
On the basis of the brand-new blast furnace water temperature difference heat load data detection system constructed in the first embodiment, the on-site blast furnace operation data required by a blast furnace water temperature difference heat load model is accurately collected in real time, and the production of the blast furnace is tracked and monitored in real time; a blast furnace water temperature difference heat load model is established based on the acquired data, the current running situation of the blast furnace is monitored, the running state of the blast furnace is predicted, the overall running efficiency of the blast furnace is improved, energy is saved, consumption is reduced, production safety is facilitated, and good economic benefit and social value are created.
EXAMPLE III
The third embodiment of the disclosure provides a computer-readable storage medium.
A computer-readable storage medium, on which a program is stored, which, when executed by a processor, implements the steps in the blast furnace water temperature difference thermal load data detection method according to the second embodiment of the present disclosure.
The detailed steps are the same as those of the method for detecting the blast furnace water temperature difference thermal load data provided in the second embodiment, and are not described herein again.
Example four
The fourth embodiment of the disclosure provides an electronic device.
An electronic device comprises a memory, a processor and a program stored on the memory and capable of running on the processor, wherein the processor executes the program to realize the steps of the method for detecting the blast furnace water temperature difference heat load data according to the second embodiment of the disclosure.
The detailed steps are the same as those of the method for detecting the blast furnace water temperature difference thermal load data provided in the second embodiment, and are not described herein again.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (10)
1. A blast furnace water temperature difference thermal load data detection system is characterized by comprising a client; the client comprises:
the data acquisition module is arranged on a blast furnace production site and comprises an acquisition unit and a conversion unit which are electrically connected;
the data communication module comprises a protocol conversion gateway, a photoelectric converter and a switch which are in communication connection; the RS485 signal output by the conversion unit is subjected to multi-channel protocol conversion after passing through the protocol conversion gateway, so that Modbus-TCP signals are collected; and the collected Modbus-TCP signals are converted into optical signals by the photoelectric converter and then transmitted to the switchboard of the main control building.
2. The system for detecting the blast furnace water temperature difference heat load data as claimed in claim 1, further comprising a server side, wherein the server side adopts a data processing module connected with the data communication module.
3. The system for detecting blast furnace water temperature difference thermal load data as claimed in claim 1, wherein said collection unit is provided on a cooling water branch pipe at an inlet of a stave of each layer of the blast furnace, a temperature sensor and a flow sensor are provided on a first layer, and only temperature sensors are provided on other layers.
4. A blast furnace water temperature difference thermal load data detection system as claimed in claim 3, wherein said conversion unit employs an a/D converter; the A/D converter is used for converting analog quantity signals acquired by the temperature sensor and the flow sensor into RS485 digital signals, is arranged at the tail ends of the temperature sensor and the flow sensor, and is connected with the acquisition unit and the data communication module; the number of the A/D converters and the temperature sensors is kept consistent.
5. The system for detecting the blast furnace water temperature difference heat load data as claimed in claim 4, wherein a protocol conversion gateway at the side far away from the A/D converter is connected with the A/D converter through a cable, and the protocol conversion gateway performs multi-channel fusion on the protocols output by the A/D converter to obtain Modbus-TCP signals.
6. The system for detecting the blast furnace water temperature difference thermal load data as claimed in claim 1, wherein the signal is transmitted to the main control building exchanger through an optical fiber after passing through the photoelectric converter.
7. A blast furnace water temperature difference heat load data detection method adopts the blast furnace water temperature difference heat load data detection system of any one of claims 1 to 6, and is characterized by comprising the following steps:
acquiring cooling water data of a blast furnace site;
converting the acquired data into an RS485 signal through a conversion unit;
the obtained RS485 signal is transmitted to a protocol conversion gateway through an RS485 communication line, and the multi-channel RS485 signal is converted into 1 path of Modbus-TCP signal to be output, so that multi-channel protocol conversion is realized;
the obtained Modbus-TCP signal is transmitted to a main control building switch through a photoelectric converter and then transmitted to a server side through the switch; and realizing data acquisition and transmission of a blast furnace production field based on the server side.
8. The method for detecting the blast furnace water temperature difference heat load data as claimed in claim 7, wherein the specific process of the multi-channel protocol conversion is inputting 16-channel RS485 signals, converting the mapping relation in the gateway through the protocol, and storing the data in the gateway, and by converting Modbus-TCP data communication protocol, the upper computer can read the field signal data through an IP address and a data register address.
9. A computer-readable storage medium having a program stored thereon, wherein the program, when executed by a processor, implements the steps in the blast furnace water temperature difference thermal load data detection method according to any one of claims 7 to 8.
10. An electronic device comprising a memory, a processor and a program stored on the memory and executable on the processor, wherein the processor implements the steps of the method for detecting blast furnace water temperature difference heat load data according to any one of claims 7 to 8 when executing the program.
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