A vertical high-temperature sintering furnace temperature monitoring method and system

Abstract

The application discloses a vertical high-temperature sintering furnace temperature monitoring method and system, relates to the technical field of vertical high-temperature sintering furnaces, and comprises the following steps: after the accumulation of mineral materials in the sintering furnace is completed, heat exchange is started, and a temperature monitoring system measures the temperature of different layers in the furnace; the measured temperature is transmitted to a DCS control unit, the control unit judges the temperature based on a judgment program; according to the temperature judgment result, the mineral material is discharged and the air intake is adjusted, and the real-time measured temperature is fed back to the DCS control unit until the temperature returns to normal, and the monitoring is stopped. The application can judge the temperature distribution in the vertical sintering furnace, reduce the heat exchange imbalance in the furnace caused by the segregation of mineral materials and the wall effect and the long-time retention of part of the mineral materials, enable the vertical high-temperature sintering furnace to continuously, efficiently and stably operate, realize the efficient recycling of industrial waste energy, and improve the operation efficiency, economic efficiency and environmental efficiency of the vertical sintering furnace.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vertical high-temperature sintering furnace, in particular to a vertical high-temperature sintering furnace temperature monitoring method and system. BACKGROUND

[0002] As a typical long-process high-energy-consumption industry, the energy utilization rate of steel is only 30%-50%, especially the sintering waste heat recovery rate is only 22%, more than 70% of the waste heat is not utilized, and efficient recovery of industrial waste energy is a key link to achieve the goal of carbon peak and carbon neutral.

[0003] The structural design of the vertical sintering ore cooling furnace is based on the principle of dry quenching technology, adopts closed cycle of cooling gas and gas-solid countercurrent heat exchange technology, can fundamentally solve the system air leakage and environmental pollution problems in the traditional cooling process, greatly improves the energy recovery rate of high-temperature sintering ore and the heat quality of cooling gas, and the resistance characteristics and gas-solid heat transfer problems in the vertical cooling furnace are the two main aspects of studying the vertical furnace cooling, the segregation of the ore formed in the falling process of the sintering ore is the main factor affecting the gas-solid heat transfer process in the furnace, how to judge the pros and cons of heat exchange at different positions in the furnace, and realize stable and efficient heat exchange in the sintering furnace is the current key problem of vertical high-temperature sintering ore heat exchange. SUMMARY

[0004] In view of the problems existing in the prior art vertical high-temperature sintering furnace temperature monitoring method, the present application is proposed.

[0005] Therefore, the problem to be solved by the present application is how to provide a vertical high-temperature sintering furnace temperature monitoring method and system. At present, the heat exchange process in the existing vertical sintering furnace cannot be judged, especially the temperature distribution at different positions in the furnace, how to reduce the segregation and wall effect is the key problem that needs to be solved in the heat exchange process in the vertical sintering furnace at present, the existing operation process does not consider monitoring the parameters in the furnace, the segregation phenomenon can be reduced by monitoring the parameter data in the furnace, analyzing and judging, and controlling the distribution mode, the temperature distribution in the furnace can be obtained through the DCS control unit and the temperature detection system at different positions in the furnace, which provides a reference for adjusting the distribution mode and the cooling air input, and continuous, efficient and stable heat exchange in the vertical high-temperature sintering furnace can be realized.

[0006] To solve the above technical problems, the present application provides the following technical scheme:

[0007] In the first aspect, the embodiment of the present application provides a vertical high-temperature sintering furnace temperature monitoring method, which comprises: starting heat exchange after the accumulation of the mineral aggregate in the sintering furnace is completed, and measuring the temperature of the mineral aggregate at different layers in the sintering furnace by a temperature monitoring system; transmitting the measured temperature to a DCS control unit, and judging the temperature based on a judgment program; adjusting the amount of air intake according to the temperature judgment result, and feeding the mineral aggregate; and feeding back the real-time measured temperature to the DCS control unit until the temperature returns to normal, and stopping the monitoring.

[0008] As a preferred scheme of the vertical high-temperature sintering furnace temperature monitoring method, the judgment program comprises a sintering furnace internal gas-solid heat exchange condition judgment program and an overall hearth temperature balance judgment program; the sintering furnace internal gas-solid heat exchange condition judgment program comprises: when the sintering furnace is normally operated, the maximum error between the temperatures of the measuring points in the same layer reaction section is not more than 20 DEG C, the error of the temperature at the top of the sintering furnace is not more than 20 DEG C, and the temperature difference between the cooling section and the pre-storage section on the same side is below 40 DEG C; when the temperature difference between the measuring points in the pre-storage section exceeds 80 DEG C, the temperature difference between the measuring points in the cooling section also exceeds 80 DEG C, the highest temperature of the measuring points in the cooling section and the pre-storage section exceeds the normal operating temperature, appears on the same side of the sintering furnace, and the temperature change at the top of the sintering furnace is also relatively large, it is indicated that the internal partial heat exchange of the sintering furnace is incomplete, and the operator reduces the cooling air intake amount of the sintering furnace; when the lowest temperature is below the normal operating temperature, appears on the same side of the sintering furnace, and the temperature change at the top of the sintering furnace is also relatively large, it is indicated that the internal heat exchange of the sintering furnace is excessive, and the operator increases the cooling air intake amount of the sintering furnace.

[0009] As a preferred scheme of the vertical high-temperature sintering furnace temperature monitoring method, the overall hearth temperature balance judgment program comprises: when the sintering furnace is normally operated, the maximum error between the temperatures of the measuring points in the same layer cooling section is not more than 40 DEG C, and the temperature difference between the cooling section temperatures on the same side is below 80 DEG C; when the temperature difference between the measuring points in the cooling section 1 layer exceeds 100 DEG C, the temperature difference between the measuring points in the cooling section 2 layer also exceeds 100 DEG C, the highest temperature of the 1 layer and the 2 layer exceeds the normal operating temperature, and the measuring points appear on the same side of the sintering furnace, it is indicated that the internal mineral aggregate temperature of the sintering furnace is unbalanced, the operator reduces the same side of the sintering furnace, that is, the amount of the mineral aggregate falling from the side where the abnormal temperature appears, and adjusts the air intake amount of the cooling air to adjust the temperature in the sintering furnace; when the temperature difference between the measuring points in the cooling section 1 layer exceeds 100 DEG C, the temperature difference between the measuring points in the 2 layer also exceeds 100 DEG C, the lowest temperature of the 1 layer and the 2 layer is below the normal operating temperature, and the measuring points appear on the same side of the sintering furnace, it is indicated that the internal mineral aggregate temperature of the sintering furnace is unbalanced, the operator increases the same side of the sintering furnace, that is, the amount of the mineral aggregate falling from the side where the abnormal temperature appears, and adjusts the air intake amount of the cooling air to adjust the temperature in the sintering furnace.

[0010] In a second aspect, the embodiment of the present application provides a vertical high-temperature sintering furnace temperature monitoring system, which comprises: six-layer temperature detection units, including a sintering furnace cooling section temperature detection assembly T1, a sintering furnace cooling section temperature detection assembly T2, a sintering furnace pre-storage section temperature detection assembly T3, a sintering furnace pre-storage section temperature detection assembly T4, a sintering furnace cooling section outer wall surface temperature detection assembly T5, and a sintering furnace annular air duct outer wall surface temperature detection assembly T6; a sintering furnace top temperature detection unit, including a sintering furnace top temperature detection assembly T7; a cooling air inlet and outlet temperature detection unit, including a cooling air inlet temperature detection assembly T8 and a cooling air outlet temperature detection assembly T9; and a DCS control unit, including a microprocessor, and a built-in temperature judgment program for temperature judgment.

[0011] As a preferred scheme of the vertical high-temperature sintering furnace temperature monitoring system, the temperature detection assembly is composed of a plurality of temperature detection elements, and each temperature detection element is connected to the DCS control unit.

[0012] As a preferred scheme of the vertical high-temperature sintering furnace temperature monitoring system, the temperature detection elements of the sintering furnace cooling section temperature detection assembly T1, the sintering furnace cooling section temperature detection assembly T2, the sintering furnace pre-storage section temperature detection assembly T3, and the sintering furnace pre-storage section temperature detection assembly T4 penetrate the sintering furnace wall from bottom to top and are inserted into the sintering furnace at different heights; the temperature detection elements of the sintering furnace cooling section outer wall surface temperature detection assembly T5 and the sintering furnace annular air duct outer wall surface temperature detection assembly T6 are installed on the outer wall surface of the sintering furnace; the temperature detection elements in the cooling air inlet temperature detection assembly T8 are installed inside the air blower pipeline; and the temperature detection elements in the cooling air outlet temperature detection assembly T9 are installed inside the cooling air outlet pipeline.

[0013] As a preferred scheme of the vertical high-temperature sintering furnace temperature monitoring system, the temperature detection elements inside the sintering furnace are high-temperature-resistant and wear-resistant thermocouples; the temperature detection elements on the outer wall surface of the sintering furnace are high-temperature-resistant surface thermocouples; the temperature detection elements in the cooling air inlet temperature detection assembly T8 are high-temperature-resistant thermocouples; and the temperature detection elements in the cooling air outlet temperature detection assembly T9 are high-temperature-resistant and wear-resistant thermocouples.

[0014] As a preferred scheme of the vertical high-temperature sintering furnace temperature monitoring system, when the temperature of a measuring point is abnormally displayed as a too low value, the temperature of other measuring points on the same layer is normal, and the temperature of measuring points on another layer on the same side is also normal, it is indicated that the temperature detecting element of the measuring point has a problem, and maintenance personnel are suggested to repair the measuring point and replace the temperature detecting element; when the temperature change of the measuring point is abnormally slow, the temperature change of other measuring points on the same layer is normal, and the temperature change of measuring points on another layer on the same side is also normal, it is indicated that the response capability of the temperature detecting element of the measuring point has a problem; maintenance personnel are suggested to repair the measuring point and replace the temperature detecting element; when the measuring point has no signal output at all, other measuring points on the same layer have normal signal output, and measuring points on another layer on the same side also have normal signal output, it is indicated that the temperature detecting element of the measuring point has a fault; maintenance personnel are suggested to repair the measuring point and replace the temperature detecting element

[0015] In a third aspect, an embodiment of the present application provides a computer device, comprising a memory and a processor, and the memory stores a computer program, wherein the processor implements any step of the vertical high-temperature sintering furnace temperature monitoring method when executing the computer program.

[0016] In a fourth aspect, an embodiment of the present application provides a computer readable storage medium, which stores a computer program, wherein the computer program is executed by a processor to implement any step of the vertical high-temperature sintering furnace temperature monitoring method.

[0017] The present application has the beneficial effect that the temperature distribution in the vertical sintering furnace can be determined, so as to reduce the uneven heat exchange in the furnace caused by the segregation of the mineral material and the wall effect, and the long-time residence of part of the mineral material, and the vertical high-temperature sintering furnace can be continuously, efficiently and stably operated, the efficient recycling of industrial waste energy is realized, and the operation efficiency, economic efficiency and environmental efficiency of the vertical sintering furnace are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0019] Figure 1 The flowchart of the vertical high-temperature sintering furnace temperature monitoring method.

[0020] Figure 2 The structural diagram of the vertical high-temperature sintering furnace temperature monitoring system.

[0021] Figure 3It is a structure top view of a temperature monitoring system of a vertical high-temperature sintering furnace.

[0022] Figure 4 It is a sectional view of a cooling air inlet temperature detecting unit of a temperature monitoring system of a vertical high-temperature sintering furnace.

[0023] The figure marks: T11, T12, T13, T14, T15, T16 are respectively six temperature detecting elements in the temperature detecting assembly T1; T21, T22, T23, T24, T25, T26 are respectively six temperature detecting elements in the temperature detecting assembly T2; T31, T32, T33, T34, T35, T36 are respectively six temperature detecting elements in the temperature detecting assembly T3; T41, T42, T43, T44, T45, T46 are respectively six temperature detecting elements in the temperature detecting assembly T4; T51, T52, T53, T54 are respectively four temperature detecting elements in the temperature detecting assembly T5; T61, T62, T63, T64 are respectively four temperature detecting elements in the temperature detecting assembly T6; T71, T72, T73, T74 are respectively four temperature detecting elements in the temperature detecting assembly T7; T81, T82, T83, T84 are respectively four temperature detecting elements in the temperature detecting assembly T8; T91, T92, T93, T94 are respectively four temperature detecting elements in the temperature detecting assembly T9. DETAILED DESCRIPTION

[0024] In order to make the above objectives, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0025] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in other ways different from those described herein without departing from the spirit and scope of the present application, and those skilled in the art can make similar generalizations without departing from the spirit and scope of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0026] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments.

[0027] Embodiment 1

[0028] ReferenceFigure 1 For the first embodiment of the present application, the embodiment provides a vertical high-temperature sintering furnace temperature monitoring method, comprising:

[0029] S1: After the accumulation of the mineral aggregate in the sintering furnace is completed, heat exchange begins, and the temperature monitoring system measures the temperature at different layers.

[0030] S2: The measured temperature is transmitted to the DCS control unit, and the control unit judges the temperature based on the judgment program.

[0031] Specifically, the judgment program includes a sintering furnace gas-solid heat exchange condition judgment program and an overall furnace temperature balance judgment program. The sintering furnace gas-solid heat exchange condition judgment program includes that when the sintering furnace is working normally, the maximum error between the temperatures of the measuring points in the same layer reaction section is not more than 20℃, the temperature error at the top of the sintering furnace is not more than 20℃, and the temperature difference between the same side of the cooling section and the pre-storage section is below 40℃.

[0032] When the temperature difference between the measuring points in the pre-storage section exceeds 80℃, the temperature difference between the measuring points in the cooling section also exceeds 80℃, the highest temperature of the measuring points in the cooling section and the pre-storage section exceeds the normal operating temperature, and appears on the same side of the sintering furnace, and the temperature change at the top of the sintering furnace is also relatively large, it indicates that the internal partial heat exchange of the sintering furnace is incomplete, and the operator reduces the cooling air inlet amount of the sintering furnace.

[0033] When the lowest temperature is lower than the normal operating temperature, appears on the same side of the sintering furnace, and the temperature change at the top of the sintering furnace is also relatively large, it indicates that the internal heat exchange of the sintering furnace is excessive, and the operator increases the cooling air inlet amount of the sintering furnace.

[0034] The overall furnace temperature balance judgment program includes that when the sintering furnace is working normally, the maximum error between the temperatures of the measuring points in the same layer cooling section is not more than 40℃, and the temperature difference between the same side of the cooling section is below 80℃.

[0035] When the temperature difference between the measuring points in the cooling section 1 layer exceeds 100℃, the temperature difference between the measuring points in the cooling section 2 layer also exceeds 100℃, the highest temperature of 1 and 2 layers exceeds the normal operating temperature, and the measuring points appear on the same side of the sintering furnace, it indicates that the internal mineral aggregate temperature of the sintering is unbalanced, the operator reduces the same side of the sintering furnace, that is, the amount of mineral aggregate falling on the side of abnormal temperature, and adjusts the air inlet amount of the cooling air to adjust the temperature in the furnace.

[0036] When the temperature difference between the measuring points in the cooling section 1 layer exceeds 100℃, the temperature difference between the measuring points in the cooling section 2 layer also exceeds 100℃, the lowest temperature of 1 and 2 layers is lower than the normal operating temperature, and the measuring points appear on the same side of the sintering furnace, it indicates that the internal mineral aggregate temperature of the sintering is unbalanced, the operator increases the same side of the sintering furnace, that is, the amount of mineral aggregate falling on the side of abnormal temperature, and adjusts the air inlet amount of the cooling air to adjust the temperature in the furnace.

[0037] S3: According to the temperature judgment result, the mineral material is dropped and the air intake is adjusted, and the real-time measured temperature is fed back to the DCS control unit until the temperature returns to normal, and the monitoring is stopped.

[0038] Referring to Figures 2 to 4 , a vertical high-temperature sintering furnace temperature monitoring system is provided, comprising:

[0039] Six-layer temperature detection units, including sintering furnace cooling section temperature detection assembly T1, sintering furnace cooling section temperature detection assembly T2, sintering furnace pre-storage section temperature detection assembly T3, sintering furnace pre-storage section temperature detection assembly T4, sintering furnace cooling section outer wall surface temperature detection assembly T5 and sintering furnace annular air duct outer wall surface temperature detection assembly T6; sintering furnace top temperature detection unit, including sintering furnace top temperature detection assembly T7; cooling air inlet and outlet temperature detection unit, including cooling air inlet temperature detection assembly T8 and cooling air outlet temperature detection assembly T9; DCS control unit, including microprocessor, built-in temperature judgment program for temperature judgment. Based on the microprocessor, the main feature is to adopt the design principle of decentralized control function, centralized display operation, and comprehensive coordination.

[0040] The temperature detection assembly is composed of multiple temperature detection elements, and each temperature detection element is connected to the DCS control unit; the temperature detection elements of the sintering furnace cooling section temperature detection assembly T1, the sintering furnace cooling section temperature detection assembly T2, the sintering furnace pre-storage section temperature detection assembly T3 and the sintering furnace pre-storage section temperature detection assembly T4 are inserted into the sintering furnace interior at different heights from bottom to top; the temperature detection elements of the sintering furnace cooling section outer wall surface temperature detection assembly T5 and the sintering furnace annular air duct outer wall surface temperature detection assembly T6 are installed on the sintering furnace outer wall surface; the temperature detection elements in the cooling air inlet temperature detection assembly T8 are installed inside the air blower pipeline; the temperature detection elements in the cooling air outlet temperature detection assembly T9 are installed inside the cooling air outlet pipeline.

[0041] The temperature detection elements inside the sintering furnace are high-temperature and wear-resistant thermocouples; the sintering furnace outer wall surface temperature detection elements are high-temperature surface thermocouples; the temperature detection elements in the cooling air inlet temperature detection assembly T8 are high-temperature thermocouples; the temperature detection elements in the cooling air outlet temperature detection assembly T9 are high-temperature and wear-resistant thermocouples.

[0042] Temperature detection element fault detection: when the measured point temperature abnormally shows a too low value, while the temperatures of other measured points on the same layer are normal, and the temperatures of measured points on the same side of another layer are also normal, it indicates that there is a problem with the temperature detection element of the measured point, and the maintenance personnel is suggested to repair and replace the temperature detection element.

[0043] When the temperature change of the measuring point is abnormally slow, the temperature change of other measuring points in the same layer is normal, and the temperature change of measuring points in another layer on the same side is also normal, it means that the temperature detection element of the measuring point has a problem in response ability; it is suggested that the maintenance personnel overhaul the measuring point and replace the temperature detection element to ensure accurate temperature monitoring and control.

[0044] When the measuring point has no signal output at all, other measuring points in the same layer have normal signal output, and measuring points in another layer on the same side also have normal signal output, it indicates that the temperature detection element of the measuring point has a fault; it is suggested that the maintenance personnel overhaul the measuring point and replace the temperature detection element to ensure accurate temperature monitoring and control.

[0045] The embodiment also provides a computer device suitable for the vertical high-temperature sintering furnace temperature monitoring method, which comprises a memory and a processor; the memory is used to store computer executable instructions, and the processor is used to execute the computer executable instructions to realize all or part of the steps of the method according to the embodiment of the application.

[0046] The embodiment also provides a storage medium having a computer program stored thereon, and the computer program is executed by a processor to execute the method in any optional implementation manner of the above-mentioned embodiment. The storage medium can be realized by any type of volatile or non-volatile storage device or a combination thereof, such as a static random access memory (SRAM), an electrically erasable programmable read-only memory (EEPROM), an erasable programmable read-only memory (EPROM), a programmable read-only memory (PROM), a read-only memory (ROM), a magnetic memory, a flash memory, a magnetic disk or an optical disk.

[0047] The storage medium according to the embodiment and the data storage method according to the above-mentioned embodiment belong to the same inventive concept, and the technical details not described in the embodiment can be referred to the above-mentioned embodiment, and the embodiment has the same beneficial effects as the above-mentioned embodiment.

[0048] Embodiment 2

[0049] Referring to Table 1, the second embodiment of the application is provided on the basis of the first embodiment, and in order to verify the beneficial effects, the comparison between the application and the prior art is provided for scientific demonstration.

[0050] Table 1 Comparison of conventional technology and technical features of the present method

[0051]

[0052] As shown in the table, the present application can determine the temperature distribution in the vertical sintering furnace, so as to reduce the heat exchange imbalance in the furnace caused by the segregation of the mineral material and the wall effect, and the situation of the long-time residence of part of the mineral material, so that the vertical high-temperature sintering furnace can be continuously, efficiently and stably operated, the efficient recycling of industrial waste energy is realized, and the operation efficiency, economic efficiency and environmental efficiency of the vertical sintering furnace are improved.

[0053] It should be noted that the above examples are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A method of temperature monitoring for a vertical high-temperature sintering furnace, characterized by: Comprising, The temperature monitoring system measures the temperature of the different layers in the furnace after the heat exchange of the accumulated ore in the sintering furnace is completed; The measured temperature is transmitted to the DCS control unit, and the control unit judges the temperature based on the judgment program; According to the temperature judgment result, the ore is discharged and the air intake is adjusted, and the real-time measured temperature is fed back to the DCS control unit until the temperature returns to normal, and the monitoring is stopped; The judgment program includes a sintering furnace gas-solid heat exchange condition judgment program and a whole hearth temperature balance judgment program; the sintering furnace gas-solid heat exchange condition judgment program includes, When the sintering furnace is working normally, the maximum error between the temperatures of the measuring points in the same layer reaction section is not more than 20℃, the temperature error of the top of the sintering furnace is not more than 20℃, and the temperature difference between the same side of the cooling section and the pre-storage section is below 40℃; When the temperature difference between the measuring points in the pre-storage section exceeds 80℃, the temperature difference between the measuring points in the cooling section also exceeds 80℃, the highest temperature of the measuring points in the cooling section and the pre-storage section exceeds the normal operating temperature, appears in the same side of the sintering furnace, and the temperature change error of the top of the sintering furnace exceeds 20℃, it indicates that the internal partial heat exchange of the sintering furnace is incomplete, and the operator reduces the cooling air intake of the sintering furnace; When the lowest temperature is lower than the normal operating temperature, appears in the same side of the sintering furnace, and the temperature change error of the top of the sintering furnace exceeds 20℃, it indicates that the internal heat exchange of the sintering furnace is excessive, and the operator increases the cooling air intake of the sintering furnace; The whole hearth temperature balance judgment program includes, When the sintering furnace is working normally, the maximum error between the temperatures of the measuring points in the same layer cooling section is not more than 40℃, and the temperature difference between the same side of the cooling section is below 80℃; When the temperature difference between the measuring points in the cooling section 1 layer exceeds 100℃, the temperature difference between the measuring points in the cooling section 2 layer also exceeds 100℃, the highest temperature of 1 and 2 layers exceeds the normal operating temperature, and the measuring points appear in the same side of the sintering furnace, it indicates that the internal ore temperature of the sintering is unbalanced, the operator reduces the same side of the sintering furnace, that is, the amount of ore discharged on the side of abnormal temperature, and adjusts the air intake of the cooling air to adjust the temperature in the furnace; When the temperature difference between the measuring points in the cooling section 1 layer exceeds 100℃, the temperature difference between the measuring points in the 2 layer also exceeds 100℃, the lowest temperature of 1 and 2 layers is lower than the normal operating temperature, and the measuring points appear in the same side of the sintering furnace, it indicates that the internal ore temperature of the sintering is unbalanced, the operator increases the same side of the sintering furnace, that is, the amount of ore discharged on the side of abnormal temperature, and adjusts the air intake of the cooling air to adjust the temperature in the furnace.

2. A vertical high-temperature sintering furnace temperature monitoring system based on the vertical high-temperature sintering furnace temperature monitoring method of claim 1, characterized in that: Comprising, Six-layer temperature detection units, including a sintering furnace cooling section temperature detection assembly T1, a sintering furnace cooling section temperature detection assembly T2, a sintering furnace pre-storage section temperature detection assembly T3, a sintering furnace pre-storage section temperature detection assembly T4, a sintering furnace cooling section outer wall surface temperature detection assembly T5, and a sintering furnace annular air duct outer wall surface temperature detection assembly T6; A sintering furnace top temperature detection unit, including a sintering furnace top temperature detection assembly T7; A cooling air inlet and outlet temperature detection unit, including a cooling air inlet temperature detection assembly T8 and a cooling air outlet temperature detection assembly T9; The DCS control unit comprises a microprocessor and a temperature judgment program.

3. The vertical high-temperature sintering furnace temperature monitoring system of claim 2, wherein: The temperature detection assembly is composed of multiple temperature detection elements, and each temperature detection element is connected to the DCS control unit.

4. The vertical high-temperature sintering furnace temperature monitoring system of claim 3, wherein: The temperature detection elements of the sintering furnace cooling section temperature detection assembly T1, the sintering furnace cooling section temperature detection assembly T2, the sintering furnace pre-storage section temperature detection assembly T3 and the sintering furnace pre-storage section temperature detection assembly T4 are inserted into the sintering furnace at different heights from bottom to top; The temperature detection elements of the sintering furnace cooling section outer wall surface temperature detection assembly T5 and the sintering furnace annular air duct outer wall surface temperature detection assembly T6 are installed on the outer wall surface of the sintering furnace; The temperature detection elements of the cooling air inlet temperature detection assembly T8 are installed inside the air duct of the air blower; The temperature detection elements of the cooling air outlet temperature detection assembly T9 are installed inside the cooling air outlet duct.

5. The vertical high-temperature sintering furnace temperature monitoring system of claim 3, wherein: The temperature detection elements inside the sintering furnace are high-temperature-resistant and wear-resistant thermocouples, and the sintering furnace outer wall surface temperature detection elements are high-temperature-resistant surface thermocouples; The temperature detection elements of the cooling air inlet temperature detection assembly T8 are high-temperature-resistant thermocouples, and the temperature detection elements of the cooling air outlet temperature detection assembly T9 are high-temperature-resistant and wear-resistant thermocouples.

6. The vertical high-temperature sintering furnace temperature monitoring system of claim 4, wherein: Further comprising temperature detection element fault detection: When the temperature of the measuring point is abnormally displayed as a very low value, the temperatures of other measuring points on the same layer are normal, and the temperature of the measuring point on the same side of another layer is also normal, it indicates that the temperature detection element of the measuring point has a problem, and the maintenance personnel are suggested to repair and replace the temperature detection element of the measuring point; When the temperature change of the measuring point is abnormally slow, the temperature changes of other measuring points on the same layer are normal, and the temperature changes of the measuring points on the same side of another layer are also normal, it indicates that the response ability of the temperature detection element of the measuring point has a problem; the maintenance personnel are suggested to repair and replace the temperature detection element of the measuring point; When the measuring point has no signal output, other measuring points on the same layer have normal signal output, and the measuring point on the same side of another layer also has normal signal output, it indicates that the temperature detection element of the measuring point has a fault; the maintenance personnel are suggested to repair and replace the temperature detection element of the measuring point. 7.A computer device, comprising a memory and a processor, wherein the memory stores a computer program, and the computer device is characterized in that: The processor executes the computer program to realize the steps of the vertical high-temperature sintering furnace temperature monitoring method of claim 1.

8. A computer readable storage medium having stored thereon a computer program, characterized in that: The computer program is executed by the processor to realize the steps of the vertical high-temperature sintering furnace temperature monitoring method of claim 1.

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