CN116045662A - Temperature monitoring system of industrial high-temperature rotary furnace - Google Patents
Temperature monitoring system of industrial high-temperature rotary furnace Download PDFInfo
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- CN116045662A CN116045662A CN202310225598.3A CN202310225598A CN116045662A CN 116045662 A CN116045662 A CN 116045662A CN 202310225598 A CN202310225598 A CN 202310225598A CN 116045662 A CN116045662 A CN 116045662A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/0014—Devices for monitoring temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The invention belongs to the field of temperature monitoring of rotary furnaces, relates to a data analysis technology, and is used for solving the problem that the existing high-temperature rotary furnace cannot continuously and accurately monitor the temperature, in particular to a temperature monitoring system of an industrial high-temperature rotary furnace, which comprises a parameter optimization module, a temperature monitoring module, an operation monitoring module and a storage module; the parameter optimization module, the temperature monitoring module and the operation monitoring module are sequentially in communication connection, and the parameter optimization module and the operation monitoring module are both in communication connection with the storage module; the invention can monitor and analyze the combustion state of the high-temperature rotary furnace, comprehensively analyze the released heat of combustion and the light temperature value acquired by the optical pyrometer, mark the combustion state when the measurement accuracy of the optical pyrometer is affected, mark the smoke concentration value corresponding to the combustion state as a smoke switching value, and automatically switch the switching mode through the smoke concentration value in the subsequent temperature monitoring process.
Description
Technical Field
The invention belongs to the field of temperature monitoring of rotary furnaces, relates to a data analysis technology, and particularly relates to a temperature monitoring system of an industrial high-temperature rotary furnace.
Background
Rotary kiln has existed as a conventional kiln type for hundreds of years, but is large or ultra-large, and is mainly applied to primary rough processing of powder or mineral materials, such as firing and calcining of cement clinker; the kaolin is used for preparing titanium dioxide, processing in rare earth industry and the like, and the defects of large temperature difference, low temperature control precision, incapability of sealing, realization of accurate atmosphere control and the like exist in spite of large yield.
The existing high-temperature rotary furnace temperature monitoring methods have a plurality of defects, for example, the contact-time temperature measuring method can rapidly and accurately collect the temperature of the rotary furnace, but the slip ring and the electric brush system fixed on the furnace body need to be replaced when being seriously worn, and the thermocouple protection tube has very short service life when being impacted, corroded and worn, so that the contact-time temperature measuring method is frequently forced to stop replacing parts when being executed; when the optical pyrometer is used for non-contact temperature measurement, although the temperature measuring element is not worn or impacted, the monitoring precision of the temperature measuring element is seriously reduced along with the increase of the optical pollution severity along with the increase of the running time of the rotary furnace; therefore, how to continuously and precisely monitor the temperature of the high-temperature rotary furnace is a technical problem which needs to be solved in the field.
Aiming at the technical problems, the application provides a solution.
Disclosure of Invention
The invention aims to provide a temperature monitoring system of an industrial high-temperature rotary furnace, which is used for solving the problem that the existing high-temperature rotary furnace cannot monitor the temperature continuously and with high precision;
the technical problems to be solved by the invention are as follows: how to provide a temperature monitoring system capable of continuously and precisely monitoring the temperature of a high-temperature rotary kiln.
The aim of the invention can be achieved by the following technical scheme:
the temperature monitoring system of the industrial high-temperature rotary furnace comprises a parameter optimizing module, a temperature monitoring module, an operation monitoring module and a storage module; the parameter optimization module, the temperature monitoring module and the operation monitoring module are sequentially in communication connection, and the parameter optimization module and the operation monitoring module are both in communication connection with the storage module;
the parameter optimization module comprises a combustion monitoring unit, a light temperature monitoring unit and a smoke analysis unit;
the combustion monitoring unit is used for monitoring and analyzing the combustion state of the high-temperature rotary furnace: marking the high-temperature rotary furnace with the combustion state monitored as an analysis object, acquiring a combustion coefficient of the analysis object and sending the combustion coefficient to a smoke analysis unit;
the optical temperature monitoring unit is used for acquiring the temperature value inside the combustion chamber of the analysis object by adopting an optical pyrometer and marking the temperature value as the optical temperature value of the analysis object, and the optical temperature monitoring unit sends the optical temperature value of the analysis object to the smoke analysis unit;
the smoke analysis unit is used for analyzing the measurement accuracy of the optical pyrometer, obtaining a smoke switching value and sending the smoke switching value to the temperature monitoring module;
the temperature monitoring module is used for monitoring and analyzing the combustion temperature of the high-temperature rotary furnace: marking a high-temperature rotary furnace for monitoring the combustion temperature as a monitoring object, adopting a non-contact mode to monitor the temperature when the monitoring object starts to work, simultaneously acquiring the smoke concentration value in a combustion cavity of the monitoring object in real time, and adopting a contact mode to monitor the temperature when the smoke concentration value reaches a smoke switching value;
the operation monitoring module is used for monitoring and analyzing the operation state of the high-temperature rotary furnace.
As a preferred embodiment of the present invention, the process of acquiring the combustion coefficient of the analysis object includes: when an analysis object works, disulfide data, two-carbon data and one-carbon data in a combustion cavity of the analysis object are obtained; the disulfide data in the combustion chamber of the analysis object is the concentration value of sulfur dioxide gas in the combustion chamber, the two-carbon data in the combustion chamber of the analysis object is the concentration value of carbon dioxide gas in the combustion chamber, and the one-carbon data in the combustion chamber of the analysis object is the concentration value of carbon monoxide gas in the combustion chamber; and obtaining the combustion coefficient of the combustion chamber of the analysis object by carrying out numerical calculation on the disulfide data, the two-carbon data and the one-carbon data.
As a preferred embodiment of the present invention, the specific process of analyzing the measurement accuracy of the optical pyrometer by the smoke analysis unit includes: establishing a rectangular coordinate system by taking the running time of an analysis object as an X axis and the combustion coefficient RS of the analysis object as a Y axis, drawing a combustion curve and a light temperature curve of the analysis object in the rectangular coordinate system, making two rays parallel to the Y axis in a first quadrant of the rectangular coordinate system, wherein the endpoint coordinate of one ray is (0, 0), the endpoint coordinate of the other ray is (L1, 0), forming an open area by two rays, translating the two rays to the right side at a uniform speed when the running time of the analysis object is greater than L1, forming a closed graph by the open area, the combustion curve and the light temperature curve in the translation process, marking the area value of the closed graph as the light temperature deviation value of the analysis object, acquiring a light Wen Pianli threshold value by a storage module, and comparing the light temperature deviation value of the analysis object with the light temperature deviation threshold value: if the light temperature deviation value is smaller than the Yu Guangwen deviation threshold value, judging that the measurement accuracy of the optical pyrometer of the analysis object meets the requirement; if the light temperature deviation value is equal to or greater than the light Wen Pianli threshold value, it is determined that the measurement accuracy of the optical pyrometer of the analysis object does not meet the requirement, the endpoint abscissa value of the ray positioned on the left side is marked as a switching time, and the smoke concentration value in the combustion chamber of the analysis object is acquired at the switching time and marked as a smoke switching value.
As a preferred embodiment of the present invention, the specific process of performing temperature monitoring in the contactless mode includes: the optical pyrometer is adopted to collect the temperature value in the combustion chamber of the monitored object and mark the temperature value as the monitored value of the monitored object, and the temperature monitoring module sends the monitored value of the monitored object to the display module for display.
As a preferred embodiment of the present invention, the specific process of temperature monitoring in the contact mode includes: and inserting a temperature sensing element in the radial direction at a position on the axis of the monitored object, which is required to be measured, measuring the temperature by the temperature sensing element, marking the acquired temperature value as the monitored value of the monitored object, and sending the monitored value of the monitored object to a display module for display.
As a preferred embodiment of the invention, the specific process of monitoring and analyzing the operation state of the high-temperature rotary furnace by the operation monitoring module comprises the following steps: when the smoke concentration value in the combustion chamber of the monitoring object reaches a smoke switching value, marking a difference value between the current moment and the operation starting moment of the monitoring object as operation duration, marking a difference value between the switching moment and the operation starting moment of the analysis object as analysis duration, marking an absolute value of the difference value between the operation duration and the analysis duration as an operation deviation value, acquiring an operation deviation threshold value through a storage module, and comparing the operation deviation value with the operation deviation threshold value: if the running deviation value is smaller than the running deviation threshold value, judging that the running state of the monitored object meets the requirement; if the running deviation value is greater than or equal to the running deviation threshold value, judging that the running state of the monitored object does not meet the requirement, and simultaneously sending a running abnormal signal to the parameter optimization module and the mobile phone terminal of the manager by the running monitoring module; after receiving the abnormal operation signal, the mobile phone terminal of the manager sequentially performs fault detection on the fuel quality, the smoke concentration acquisition element and the optical pyrometer; and the parameter optimization module receives the abnormal operation signal and performs parameter optimization analysis.
As a preferred embodiment of the invention, the specific process of the parameter optimization module for performing parameter optimization analysis comprises the following steps: acquiring the times of abnormal operation signals received by a parameter optimization module in the last L2 days, marking the times as CS, acquiring the shortest time difference value when the abnormal operation signals are continuously received by the parameter optimization module in the last L2 days, marking the shortest time difference value as SC, and obtaining an optimization coefficient by carrying out numerical calculation on CS and SC; acquiring an optimization threshold value through a storage module, and judging that the smoke switching value does not need to be optimized if the optimization coefficient is smaller than the optimization threshold value; if the optimization coefficient is greater than or equal to the optimization threshold, judging that the smoke switching value needs to be optimized, re-acquiring the smoke switching value through the combustion monitoring unit, the optical monitoring unit and the smoke analysis unit, replacing the original smoke switching value by the obtained smoke switching value, and sending the replaced smoke switching value to the temperature monitoring module.
As a preferred embodiment of the present invention, the method for operating the temperature monitoring system of the industrial high temperature rotary kiln comprises the steps of:
step one: monitoring and analyzing the combustion state of the high-temperature rotary furnace to obtain the combustion coefficient of an analysis object, collecting the temperature value in the combustion chamber of the analysis object through an optical pyrometer, and analyzing the measurement accuracy of the optical pyrometer to obtain a smoke switching value;
step two: monitoring and analyzing the combustion temperature of the high-temperature rotary furnace: marking a high-temperature rotary furnace for monitoring the combustion temperature as a monitoring object, performing temperature monitoring in a non-contact mode when the monitoring object starts to work, and performing temperature monitoring in a contact mode when the smoke concentration value reaches a smoke switching value;
step three: and monitoring and analyzing the running state of the high-temperature rotary furnace, obtaining a running deviation value, and judging whether the running state of the monitored object meets the requirement or not according to the numerical value of the running deviation value.
The invention has the following beneficial effects:
1. the combustion state of the high-temperature rotary furnace can be monitored and analyzed through the parameter optimization module, the combustion state when the measurement accuracy of the optical pyrometer is affected is marked through comprehensive analysis of the combustion released heat and the optical temperature value acquired by the optical pyrometer, so that the smoke concentration value corresponding to the combustion state is marked as a smoke switching value, and the switching mode can be automatically switched through the smoke concentration value in the subsequent temperature monitoring process;
2. the combustion temperature of the high-temperature rotary furnace can be monitored and analyzed through the temperature monitoring module, a contact mode and a non-contact mode are adopted for carrying out cooperative temperature measurement, so that the high-precision monitoring of the temperature of the high-temperature rotary furnace is ensured, meanwhile, the fault probability of a contact temperature measuring element is reduced, the service life of the contact temperature measuring element is prolonged, and meanwhile, the continuity of the temperature monitoring process is ensured;
3. the operation monitoring module can monitor the operation state of the high-temperature rotary furnace according to the temperature measurement mode switching time of the high-temperature rotary furnace, meanwhile, the parameter optimizing module analyzes the switching necessity of the smoke switching value, and the value of the smoke switching value is optimized and updated when necessary, so that the temperature measurement mode switching control can be more accurately performed when the subsequent high-temperature rotary furnace works.
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In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a system block diagram of a first embodiment of the present invention;
fig. 2 is a flowchart of a method according to a second embodiment of the invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, a temperature monitoring system of an industrial high-temperature rotary furnace comprises a parameter optimization module, a temperature monitoring module, an operation monitoring module and a storage module; the parameter optimization module, the temperature monitoring module and the operation monitoring module are sequentially in communication connection, and the parameter optimization module and the operation monitoring module are all in communication connection with the storage module.
The parameter optimization module comprises a combustion monitoring unit, a light temperature monitoring unit and a smoke analysis unit.
The combustion monitoring unit is used for monitoring and analyzing the combustion state of the high-temperature rotary furnace: marking a high-temperature rotary furnace with combustion state monitoring as an analysis object, and acquiring disulfide data EL, two-carbon data ET and one-carbon data YT in a combustion cavity of the analysis object when the analysis object works; the disulfide data EL in the combustion chamber of the analysis object is the concentration value of sulfur dioxide gas in the combustion chamber, the two-carbon data ET in the combustion chamber of the analysis object is the concentration value of carbon dioxide gas in the combustion chamber, and the one-carbon data YT in the combustion chamber of the analysis object is the concentration value of carbon monoxide gas in the combustion chamber; obtaining a combustion coefficient RS of the combustion chamber of the analysis object through a formula RS=α1El+α2ET+α3YT, wherein α1, α2 and α3 are proportionality coefficients, and α3 is larger than α2 and larger than α1 is larger than 1; the combustion monitoring unit sends the combustion coefficient RS of the analysis object combustion chamber to the smoke analysis unit.
The optical temperature monitoring unit is used for acquiring the temperature value inside the combustion chamber of the analysis object by adopting the optical pyrometer and marking the temperature value as the optical temperature value of the analysis object, and the optical temperature monitoring unit sends the optical temperature value of the analysis object to the smoke analysis unit:
the smoke analysis unit is used for analyzing the measurement accuracy of the optical pyrometer: establishing a rectangular coordinate system by taking the running time of an analysis object as an X axis and the combustion coefficient RS of the analysis object as a Y axis, drawing a combustion curve and a light temperature curve of the analysis object in the rectangular coordinate system, and making two rays parallel to the Y axis in a first quadrant of the rectangular coordinate system, wherein the endpoint coordinate of one ray is (0, 0), the endpoint coordinate of the other ray is (L1, 0), the two rays form an open area, L1 is a numerical constant, and the numerical value of L1 is set by a manager; when the running time of the analysis object is longer than L1, translating the two rays to the right at a uniform speed, forming a closed graph by the open area, the combustion curve and the light temperature curve in the translation process, marking the area value of the closed graph as the light temperature deviation value of the analysis object, acquiring a light Wen Pianli threshold value through a storage module, and comparing the light temperature deviation value of the analysis object with the light temperature deviation threshold value: if the light temperature deviation value is smaller than the Yu Guangwen deviation threshold value, judging that the measurement accuracy of the optical pyrometer of the analysis object meets the requirement; if the light temperature deviation value is greater than or equal to the light Wen Pianli threshold value, judging that the measurement accuracy of the optical pyrometer of the analysis object does not meet the requirement, marking the end point abscissa value of the ray positioned at the left side as a switching moment, acquiring the smoke concentration value in the combustion chamber of the analysis object at the switching moment and marking the smoke concentration value as a smoke switching value; the smoke analysis unit sends the smoke switching value to the temperature monitoring module; the combustion state of the high-temperature rotary furnace is monitored and analyzed, the combustion state when the measurement accuracy of the optical pyrometer is affected is marked by comprehensively analyzing the combustion released heat and the optical temperature value acquired by the optical pyrometer, so that the smoke concentration value corresponding to the combustion state is marked as a smoke switching value, and the switching mode can be automatically switched through the smoke concentration value in the subsequent temperature monitoring process.
The temperature monitoring module is used for monitoring and analyzing the combustion temperature of the high-temperature rotary furnace: marking a high-temperature rotary furnace for monitoring the combustion temperature as a monitoring object, adopting a non-contact mode to monitor the temperature when the monitoring object starts to work, simultaneously acquiring the smoke concentration value in a combustion cavity of the monitoring object in real time, and adopting a contact mode to monitor the temperature when the smoke concentration value reaches a smoke switching value; the specific process of temperature monitoring in the non-contact mode comprises the following steps: the method comprises the steps that an optical pyrometer is adopted to collect the temperature value in a combustion chamber of a monitored object and mark the temperature value as the monitored value of the monitored object, and a temperature monitoring module sends the monitored value of the monitored object to a display module for display; the specific process of temperature monitoring in the contact mode comprises the following steps: inserting a temperature sensing element along the radial direction at a position on the axis of the monitored object, which is required to be measured, measuring the temperature by the temperature sensing element, marking the acquired temperature value as the monitored value of the monitored object, and sending the monitored value of the monitored object to a display module for display; the combustion temperature of the high-temperature rotary furnace is monitored and analyzed, a contact mode and a non-contact mode are adopted for carrying out cooperative temperature measurement, high-precision monitoring on the temperature of the high-temperature rotary furnace is guaranteed, meanwhile, the fault probability of a contact temperature measuring element is reduced, the service life of the contact temperature measuring element is prolonged, and meanwhile, the continuity of a temperature monitoring process is guaranteed.
The operation monitoring module is used for monitoring and analyzing the operation state of the high-temperature rotary furnace: when the smoke concentration value in the combustion chamber of the monitoring object reaches a smoke switching value, marking a difference value between the current moment and the operation starting moment of the monitoring object as operation duration, marking a difference value between the switching moment and the operation starting moment of the analysis object as analysis duration, marking an absolute value of the difference value between the operation duration and the analysis duration as an operation deviation value, acquiring an operation deviation threshold value through a storage module, and comparing the operation deviation value with the operation deviation threshold value: if the running deviation value is smaller than the running deviation threshold value, judging that the running state of the monitored object meets the requirement; if the running deviation value is greater than or equal to the running deviation threshold value, judging that the running state of the monitored object does not meet the requirement, and simultaneously sending a running abnormal signal to the parameter optimization module and the mobile phone terminal of the manager by the running monitoring module; after receiving the abnormal operation signal, the mobile phone terminal of the manager sequentially performs fault detection on the fuel quality, the smoke concentration acquisition element and the optical pyrometer; the parameter optimization module receives the abnormal operation signal and performs parameter optimization analysis: acquiring the times of abnormal operation signals received by a parameter optimization module in the last L2 days, marking the times as CS, acquiring the shortest time difference value when the abnormal operation signals are continuously received by the parameter optimization module in the last L2 days, marking the shortest time difference value as SC, and obtaining an optimization coefficient YH through a formula YH=β1CS- β2SC, wherein β1 and β2 are both proportionality coefficients, and β1 is larger than β2 and larger than 1; acquiring an optimization threshold value YHmax through a storage module, and judging that the smoke switching value does not need to be optimized if the optimization coefficient YH is smaller than the optimization threshold value YHmax; if the optimization coefficient YH is greater than or equal to the optimization threshold value YHmax, judging that the smoke switching value needs to be optimized, re-acquiring the smoke switching value through the combustion monitoring unit, the optical monitoring unit and the smoke analysis unit, replacing the original smoke switching value by the obtained smoke switching value, and sending the replaced smoke switching value to the temperature monitoring module; the operation state of the high-temperature rotary furnace is monitored according to the temperature measurement mode switching time of the high-temperature rotary furnace, meanwhile, the switching necessity of the smoke switching value is analyzed through the parameter optimization module, and the value of the smoke switching value is optimally updated when necessary, so that the temperature measurement mode switching control can be more accurately performed when the subsequent high-temperature rotary furnace works.
Example two
As shown in fig. 2, a temperature monitoring method of an industrial high-temperature rotary furnace comprises the following steps:
step one: monitoring and analyzing the combustion state of the high-temperature rotary furnace to obtain the combustion coefficient of an analysis object, collecting the temperature value in the combustion chamber of the analysis object through an optical pyrometer, and analyzing the measurement accuracy of the optical pyrometer to obtain a smoke switching value;
step two: monitoring and analyzing the combustion temperature of the high-temperature rotary furnace: marking a high-temperature rotary furnace for monitoring the combustion temperature as a monitoring object, performing temperature monitoring in a non-contact mode when the monitoring object starts to work, and performing temperature monitoring in a contact mode when the smoke concentration value reaches a smoke switching value;
step three: and monitoring and analyzing the running state of the high-temperature rotary furnace, obtaining a running deviation value, and judging whether the running state of the monitored object meets the requirement or not according to the numerical value of the running deviation value.
The temperature monitoring system of the industrial high-temperature rotary furnace monitors and analyzes the combustion state of the high-temperature rotary furnace to obtain the combustion coefficient of an analysis object, acquires the internal temperature value of the combustion chamber of the analysis object through an optical pyrometer, and analyzes the measurement accuracy of the optical pyrometer to obtain a smoke switching value; marking a high-temperature rotary furnace for monitoring the combustion temperature as a monitoring object, performing temperature monitoring in a non-contact mode when the monitoring object starts to work, and performing temperature monitoring in a contact mode when the smoke concentration value reaches a smoke switching value; and monitoring and analyzing the running state of the high-temperature rotary furnace, obtaining a running deviation value, and judging whether the running state of the monitored object meets the requirement or not according to the numerical value of the running deviation value.
The formulas are all formulas obtained by collecting a large amount of data for software simulation and selecting a formula close to a true value, and coefficients in the formulas are set by a person skilled in the art according to actual conditions; such as: formula rs=α1×el+α2×et+α3×yt; collecting a plurality of groups of sample data by a person skilled in the art and setting a corresponding combustion coefficient for each group of sample data; substituting the set combustion coefficient and the acquired sample data into a formula, forming a ternary one-time equation set by any three formulas, screening the calculated coefficient, and taking an average value to obtain values of alpha 1, alpha 2 and alpha 3 which are respectively 4.47, 3.25 and 2.86;
the size of the coefficient is a specific numerical value obtained by quantizing each parameter, so that the subsequent comparison is convenient, and the size of the coefficient depends on the number of sample data and the corresponding combustion coefficient is preliminarily set for each group of sample data by a person skilled in the art; as long as the proportional relationship of the parameter and the quantized value is not affected, for example, the combustion coefficient is proportional to the value of the disulfide data.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention.
Claims (7)
1. The temperature monitoring system of the industrial high-temperature rotary furnace is characterized by comprising a parameter optimizing module, a temperature monitoring module, an operation monitoring module and a storage module; the parameter optimization module, the temperature monitoring module and the operation monitoring module are sequentially in communication connection, and the parameter optimization module and the operation monitoring module are both in communication connection with the storage module;
the parameter optimization module comprises a combustion monitoring unit, a light temperature monitoring unit and a smoke analysis unit;
the combustion monitoring unit is used for monitoring and analyzing the combustion state of the high-temperature rotary furnace: marking the high-temperature rotary furnace with the combustion state monitored as an analysis object, acquiring a combustion coefficient of the analysis object and sending the combustion coefficient to a smoke analysis unit;
the optical temperature monitoring unit is used for acquiring the temperature value inside the combustion chamber of the analysis object by adopting an optical pyrometer and marking the temperature value as the optical temperature value of the analysis object, and the optical temperature monitoring unit sends the optical temperature value of the analysis object to the smoke analysis unit;
the smoke analysis unit is used for analyzing the measurement accuracy of the optical pyrometer, obtaining a smoke switching value and sending the smoke switching value to the temperature monitoring module;
the temperature monitoring module is used for monitoring and analyzing the combustion temperature of the high-temperature rotary furnace: marking a high-temperature rotary furnace for monitoring the combustion temperature as a monitoring object, adopting a non-contact mode to monitor the temperature when the monitoring object starts to work, simultaneously acquiring the smoke concentration value in a combustion cavity of the monitoring object in real time, and adopting a contact mode to monitor the temperature when the smoke concentration value reaches a smoke switching value;
the operation monitoring module is used for monitoring and analyzing the operation state of the high-temperature rotary furnace.
2. The system for monitoring the temperature of an industrial high-temperature rotary kiln according to claim 1, wherein the process of obtaining the combustion coefficient of the analysis object comprises: when an analysis object works, disulfide data, two-carbon data and one-carbon data in a combustion cavity of the analysis object are obtained; the disulfide data in the combustion chamber of the analysis object is the concentration value of sulfur dioxide gas in the combustion chamber, the two-carbon data in the combustion chamber of the analysis object is the concentration value of carbon dioxide gas in the combustion chamber, and the one-carbon data in the combustion chamber of the analysis object is the concentration value of carbon monoxide gas in the combustion chamber; and obtaining the combustion coefficient of the combustion chamber of the analysis object by carrying out numerical calculation on the disulfide data, the two-carbon data and the one-carbon data.
3. A temperature monitoring system of an industrial high temperature rotary kiln according to claim 2, characterized in that the specific process of analyzing the measurement accuracy of the optical pyrometer by the smoke analysis unit comprises: establishing a rectangular coordinate system by taking the running time of an analysis object as an X axis and the combustion coefficient RS of the analysis object as a Y axis, drawing a combustion curve and a light temperature curve of the analysis object in the rectangular coordinate system, making two rays parallel to the Y axis in a first quadrant of the rectangular coordinate system, wherein the endpoint coordinate of one ray is (0, 0), the endpoint coordinate of the other ray is (L1, 0), forming an open area by two rays, translating the two rays to the right side at a uniform speed when the running time of the analysis object is greater than L1, forming a closed graph by the open area, the combustion curve and the light temperature curve in the translation process, marking the area value of the closed graph as the light temperature deviation value of the analysis object, acquiring a light Wen Pianli threshold value by a storage module, and comparing the light temperature deviation value of the analysis object with the light temperature deviation threshold value: if the light temperature deviation value is smaller than the Yu Guangwen deviation threshold value, judging that the measurement accuracy of the optical pyrometer of the analysis object meets the requirement; if the light temperature deviation value is equal to or greater than the light Wen Pianli threshold value, it is determined that the measurement accuracy of the optical pyrometer of the analysis object does not meet the requirement, the endpoint abscissa value of the ray positioned on the left side is marked as a switching time, and the smoke concentration value in the combustion chamber of the analysis object is acquired at the switching time and marked as a smoke switching value.
4. The system for monitoring the temperature of an industrial high-temperature rotary kiln according to claim 1, wherein the specific process of monitoring the temperature in a non-contact mode comprises: the optical pyrometer is adopted to collect the temperature value in the combustion chamber of the monitored object and mark the temperature value as the monitored value of the monitored object, and the temperature monitoring module sends the monitored value of the monitored object to the display module for display.
5. The system for monitoring the temperature of an industrial high-temperature rotary kiln according to claim 1, wherein the specific process of monitoring the temperature in the contact mode comprises: and inserting a temperature sensing element in the radial direction at a position on the axis of the monitored object, which is required to be measured, measuring the temperature by the temperature sensing element, marking the acquired temperature value as the monitored value of the monitored object, and sending the monitored value of the monitored object to a display module for display.
6. A temperature monitoring system for an industrial high temperature rotary kiln according to claim 3, wherein the specific process of monitoring and analyzing the operation state of the high temperature rotary kiln by the operation monitoring module comprises: when the smoke concentration value in the combustion chamber of the monitoring object reaches a smoke switching value, marking a difference value between the current moment and the operation starting moment of the monitoring object as operation duration, marking a difference value between the switching moment and the operation starting moment of the analysis object as analysis duration, marking an absolute value of the difference value between the operation duration and the analysis duration as an operation deviation value, acquiring an operation deviation threshold value through a storage module, and comparing the operation deviation value with the operation deviation threshold value: if the running deviation value is smaller than the running deviation threshold value, judging that the running state of the monitored object meets the requirement; if the running deviation value is greater than or equal to the running deviation threshold value, judging that the running state of the monitored object does not meet the requirement, and simultaneously sending a running abnormal signal to the parameter optimization module and the mobile phone terminal of the manager by the running monitoring module; after receiving the abnormal operation signal, the mobile phone terminal of the manager sequentially performs fault detection on the fuel quality, the smoke concentration acquisition element and the optical pyrometer; and the parameter optimization module receives the abnormal operation signal and performs parameter optimization analysis.
7. The system for monitoring the temperature of an industrial high-temperature rotary furnace according to claim 6, wherein the specific process of performing the parameter optimization analysis by the parameter optimization module comprises: acquiring the times of abnormal operation signals received by a parameter optimization module in the last L2 days, marking the times as CS, acquiring the shortest time difference value when the abnormal operation signals are continuously received by the parameter optimization module in the last L2 days, marking the shortest time difference value as SC, and obtaining an optimization coefficient by carrying out numerical calculation on CS and SC; acquiring an optimization threshold value through a storage module, and judging that the smoke switching value does not need to be optimized if the optimization coefficient is smaller than the optimization threshold value; if the optimization coefficient is greater than or equal to the optimization threshold, judging that the smoke switching value needs to be optimized, re-acquiring the smoke switching value through the combustion monitoring unit, the optical monitoring unit and the smoke analysis unit, replacing the original smoke switching value by the obtained smoke switching value, and sending the replaced smoke switching value to the temperature monitoring module.
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