Combustor combustion control method for reducing corrosion

Abstract

The invention provides a combustor combustion control method for reducing corrosion, which relates to the technical field of combustion control, and comprises the following steps: regularly detecting the wear condition of a combustor to obtain a first wear condition; key parameters and a combustion mode of the current fuel device are adjusted according to the obtained first abrasion condition; and the combustion operation condition is monitored in real time, and timely response is carried out when abnormity exists. The method comprises the following steps: adjusting key parameters and a combustion mode of a current fuel device through a first wear condition obtained by regularly detecting the wear condition of a combustor; the combustion operation condition is monitored in real time, and timely response is carried out when abnormity exists, so that the corrosion risk of the combustor is effectively reduced, and the durability of the combustor is improved.

Description

Technical Field

[0001] The invention relates to the technical field of combustion control, and in particular to a burner combustion control method for reducing corrosion. Background Art

[0002] In the prior art, during the operation of the burner, due to high temperature and incomplete combustion of fuel, the burner parts are often corroded, especially the key parts such as the water-cooled wall, which seriously affects the safety and economy of the boiler. Therefore, how to achieve effective control of combustion to reduce burner corrosion and improve the operating efficiency and safety of the boiler has become one of the current research centers.

[0003] Therefore, the present invention provides a burner combustion control method for reducing corrosion. Summary of the invention

[0004] The present invention provides a burner combustion control method for reducing corrosion, which is used to adjust the key parameters and combustion mode of the current fuel burner based on a first wear condition obtained by regularly detecting the wear condition of the burner; monitor the combustion operation condition in real time, and respond promptly when an abnormality occurs, thereby effectively reducing the corrosion risk of the burner and improving the durability of the burner.

[0005] The present invention provides a burner combustion control method for reducing corrosion, comprising:

[0006] Step 1: Regularly detect the wear condition of the burner to obtain a first wear condition;

[0007] Step 2: adjusting key parameters and combustion mode of the current fuel burner according to the acquired first wear condition;

[0008] Step 3: Monitor the combustion operation status in real time and respond promptly when abnormalities occur.

[0009] Preferably, the burner is regularly tested for wear status to obtain a first wear status, including:

[0010] Using a set camera to periodically photograph the combustion process of the burner to obtain a plurality of first images;

[0011] Classifying and dividing the first images to obtain a smoke image set and a flame image set;

[0012] Performing clarity analysis on the images in the smoke image set and the flame image set, selecting the image with the highest clarity from each image set as a key image, and marking the image category;

[0013] After performing image preprocessing on the key image, a target image is obtained;

[0014] Extracting features from the target image using a pre-established feature extraction model to obtain a first feature set;

[0015] A burner wear analysis is performed using a first feature set of a target image whose image categories are smoke emission and flame, to obtain an available wear coefficient;

[0016] Use the set detection method to regularly detect the wear of key parts of the burner to obtain the wear data of the parts;

[0017] Obtaining the wear coefficient of the key parts of the current burner according to the wear data of the parts;

[0018] Combining the available wear coefficient with the position wear coefficient to obtain a target wear coefficient;

[0019] Taking the target wear coefficient as a matching condition, a matching first wear level is obtained from the set coefficient range-wear level and output as a first wear condition.

[0020] Preferably, extracting the first feature set of the target image whose image category is smoke emission and flame to perform burner wear analysis to obtain the available wear coefficient includes:

[0021] Extracting color features and density features from a corresponding first feature set of the smoke-target image;

[0022] The color feature and density feature of the smoke-target image are respectively calculated with the first set danger color feature and the set danger density feature by using a set similarity algorithm to obtain a first similarity coefficient;

[0023] When the corresponding first similarity coefficients of the color feature and the density feature of the flue gas-target image are both greater than the corresponding set similarity threshold, it is determined that there is currently an abnormal flue gas emission condition and the burner is worn;

[0024] Perform weighted averaging on the corresponding first similarity coefficients of the color feature and the density feature of the smoke-target image to obtain the wear coefficient;

[0025] Extracting color features from the corresponding first feature set of the flame-target image and calculating similarity with the corresponding second set dangerous color features using a set similarity algorithm to obtain a second similarity coefficient;

[0026] When the second similarity coefficient is greater than the corresponding set similarity threshold, it is determined that there is currently an abnormal flame condition and the burner is worn;

[0027] The second similarity coefficient is regarded as a wear coefficient output;

[0028] If only the abnormal smoke emission condition or the abnormal flame condition currently exists, the wear coefficient corresponding to the abnormal condition is output as the available wear coefficient;

[0029] If there are both abnormal smoke emission and abnormal flame conditions, the wear coefficients of the two abnormal conditions are weighted averaged and output as the available wear coefficient;

[0030] If there is no abnormal smoke emission condition and abnormal flame condition at present, the available wear coefficient is regarded as 0 and outputted.

[0031] Preferably, the calculation formula of the target wear coefficient is as follows:

[0032] Where S1 represents the target wear coefficient of the current burner; Expressed as the wear coefficient of the current burner part; d i1 It is represented by the total defect area of ​​the i-th key part of the current burner, where i = 1, 2, 3, ..., n; n represents the total number of key parts of the burner; m i1 It is represented by the total number of defects in the i-th key part of the current burner; d i0 It is expressed as the area of ​​the i-th key part of the current burner; γ i It is represented as the contribution weight of the i-th key part of the current burner to the operation of the burner; σ is represented as the wear correlation factor; f1 is represented as the available wear coefficient of the current burner; e is represented as the natural base.

[0033] Preferably, adjusting the key parameters and combustion mode of the current fuel burner according to the acquired first wear condition includes:

[0034] Determining a first wear level of the current burner according to the acquired first wear condition;

[0035] Taking the first wear level as a matching condition, selecting a first mode and a first fuel that are compatible with each other from a set wear-fuel selection table;

[0036] When the first mode is inconsistent with the combustion mode of the current burner operation, the combustion mode of the current burner operation is replaced by the first mode;

[0037] Comparing the first fuel with the fuel of the current burner, and if they are inconsistent, replacing the fuel of the current burner with the first fuel;

[0038] Obtaining matching first parameter adjustment content from a set wear-adjustment table based on the first wear level;

[0039] When there is an air volume adjustment parameter in the acquired first parameter adjustment content, acquiring a first adjustment range of the air volume adjustment parameter in the first parameter adjustment content;

[0040] Analyze the first adjustment range to obtain a target adjustment amount;

[0041] Using the target adjustment amount to adjust the corresponding air volume adjustment parameter;

[0042] When the obtained first parameter adjustment content contains a fuel supply adjustment parameter, obtaining a supply adjustment amount of a current fuel supply adjustment in the first parameter adjustment content;

[0043] The fuel supply to the current fuel burner is adjusted using the supply adjustment amount.

[0044] Preferably, the air volume adjustment parameter refers to the air inlet valve adjustment angle and the fan adjustment speed.

[0045] Preferably, analyzing the first adjustment range to obtain a target adjustment amount includes:

[0046] Obtain the historical adjustment records of the air volume adjustment parameters of all burners of the same category as the current burner within a preset time period;

[0047] Filtering the first historical adjustment amount belonging to the current first adjustment range from the historical adjustment records;

[0048] When the first historical adjustment amount does not exist, the median value of the current first adjustment range is output as the target adjustment amount;

[0049] When there is a single first historical adjustment amount, an average value of the acquired first historical adjustment amount and the median value of the current first adjustment range is output as the target adjustment amount;

[0050] When there are multiple first historical adjustment amounts, obtaining the maximum adjustment amount among all current first historical adjustment amounts, and calculating the average adjustment amount of all first historical adjustment amounts;

[0051] Obtain a first adjustment difference of the maximum adjustment value minus the average adjustment value;

[0052] After adjusting the median value of the current first adjustment range using the first adjustment difference, a target adjustment value output is obtained.

[0053] Preferably, the combustion operation status is monitored in real time, and timely responses are made when abnormalities occur, including:

[0054] Using a setting data acquisition tool installed on the burner, real-time acquisition of combustion operation status is performed to obtain a first operation parameter;

[0055] Comparing the first operating parameter with a corresponding set operating threshold, if the first operating parameter is greater than the corresponding set operating threshold, marking the current first operating parameter as an abnormal parameter;

[0056] If the first operating parameter is not greater than the set operating threshold, and the absolute difference between the first operating parameter and the set operating threshold is less than the preset difference, the current first operating parameter is marked as a possible abnormal parameter;

[0057] If the first operating parameter is not greater than the set operating threshold, and the absolute difference between the first operating parameter and the set operating threshold is not less than the preset difference, the current first operating parameter is marked as a normal parameter;

[0058] If there are currently abnormal parameters, the abnormal processing strategy matching the abnormal parameters is extracted from the abnormal processing library to generate an abnormal report, which is sent to the maintenance personnel for abnormal processing;

[0059] If there is no abnormal parameter currently, obtaining a possible abnormality coefficient according to the possible abnormality marking of the current first operating parameter;

[0060] When the possible abnormality coefficient is greater than the set abnormality threshold, a maintenance report is generated based on the possible abnormality annotation of the current first operating parameter and sent to maintenance personnel for maintenance processing.

[0061] Compared with the prior art, the present invention has the following beneficial effects:

[0062] By obtaining the first wear condition based on regular wear condition detection of the burner, the key parameters and combustion mode of the current fuel burner are adjusted; the combustion operation condition is monitored in real time, and a timely response is made when an abnormality occurs, which effectively reduces the corrosion risk of the burner and improves the durability of the burner.

[0063] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0064] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0066] Figure 1 The present invention is a flowchart of a burner combustion control method for reducing corrosion in an embodiment of the present invention. DETAILED DESCRIPTION

[0067] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0068] The embodiment of the present invention provides a burner combustion control method for reducing corrosion, such as Figure 1 As shown, including:

[0069] Step 1: Regularly detect the wear condition of the burner to obtain a first wear condition;

[0070] Step 2: adjusting key parameters and combustion mode of the current fuel burner according to the acquired first wear condition;

[0071] Step 3: Monitor the combustion operation status in real time and respond promptly when abnormalities occur.

[0072] In this embodiment, the burner refers to a device that mixes and burns fuel and air (or oxygen) in a combustion chamber; the first wear condition refers to the wear level obtained after a wear analysis of the current burner, wherein the wear level includes four levels: slight, general, severe and extremely severe; the key parameters refer to the air volume adjustment parameters and the fuel supply adjustment parameters; the combustion mode refers to the operating mode of the burner, such as staged combustion and flue gas recirculation.

[0073] The beneficial effects of the above technical solution are: by obtaining the first wear condition based on regular wear condition detection of the burner, the key parameters and combustion mode of the current fuel burner are adjusted; the combustion operation condition is monitored in real time, and a timely response is made when an abnormality occurs, which effectively reduces the corrosion risk of the burner and improves the durability of the burner.

[0074] The embodiment of the present invention provides a burner combustion control method for reducing corrosion, which periodically detects the wear condition of the burner to obtain a first wear condition, including:

[0075] Using a set camera to periodically photograph the combustion process of the burner to obtain a plurality of first images;

[0076] Classifying and dividing the first images to obtain a smoke image set and a flame image set;

[0077] Performing clarity analysis on the images in the smoke image set and the flame image set, selecting the image with the highest clarity from each image set as a key image, and marking the image category;

[0078] After performing image preprocessing on the key image, a target image is obtained;

[0079] Extracting features from the target image using a pre-established feature extraction model to obtain a first feature set;

[0080] A burner wear analysis is performed using a first feature set of a target image whose image categories are smoke emission and flame, to obtain an available wear coefficient;

[0081] Use the set detection method to regularly detect the wear of key parts of the burner to obtain the wear data of the parts;

[0082] Obtaining the wear coefficient of the key parts of the current burner according to the wear data of the parts;

[0083] Combining the available wear coefficient with the position wear coefficient to obtain a target wear coefficient;

[0084] Taking the target wear coefficient as a matching condition, a matching first wear level is obtained from the set coefficient range-wear level and output as a first wear condition.

[0085] In this embodiment, the set camera refers to a device pre-installed at a designated position for photographing the flue gas emissions, combustion flames and burner parts of the burner; the first image is an image obtained by regularly photographing the burner using the set camera; the flue gas image set is composed of images showing the flue gas emissions in the first image; and the flame image set is composed of images showing the combustion flames in the first image.

[0086] In this embodiment, clarity is obtained by calculating a clarity index and performing weighted averaging, wherein the clarity index includes a gradient mean, a gradient variance and a Laplacian variance, which are obtained by calculating the gradient of the image in the horizontal and vertical directions using a Sobel operator and then calculating the gradient amplitude of each pixel, and then determining the index based on the gradient amplitude of the entire image; the weight assigned to the clarity index is obtained by solving a matrix constructed after pairwise comparison and relative importance scoring using a hierarchical analysis method; the image categories refer to two categories: smoke emission images and flame images; the target image is an image obtained after denoising the key image, wherein the key image refers to an image with the highest clarity screened out from a smoke image set and a flame image set; the feature extraction model is a model obtained by training a neural network using a training data set pre-established based on image data; the first feature set is obtained by extracting a feature set from the target image using a feature extraction model.

[0087] In this embodiment, the available wear coefficient is used to represent the degree of burner wear obtained based on the characteristic analysis of flue gas emissions and flames; the detection method is set to include measuring the thickness of key parts with an ultrasonic thickness gauge and magnetic particle inspection; the key parts include primary air elbows, wear plates, concentrators, central air ducts, and burner nozzles; the part wear data refers to the thickness data of the key parts and the defect positions, shapes, and sizes of the key parts; the part wear coefficient is used to describe the current degree of wear of the key parts, which is obtained by analyzing the defect area ratio and the number of defects in the key parts; the target wear coefficient is obtained by combining the available wear coefficient and the part wear coefficient, and is used to describe the actual degree of wear of the current burner; the set coefficient range-wear level is composed of the set wear coefficient range and the corresponding wear level, wherein the wear level includes four levels: slight, general, severe, and extremely severe; the first wear level is to obtain a matching wear level from the set coefficient range-wear level with the target wear coefficient as the matching condition; the first wear condition refers to the first wear level of the current burner.

[0088] The beneficial effect of the above technical solution is that by combining image processing and wear detection technology, a comprehensive and objective evaluation of the burner combustion process and wear condition is achieved, providing strong support for the maintenance and safety management of the burner.

[0089] The embodiment of the present invention provides a burner combustion control method for reducing corrosion, extracting a first feature set of a target image whose image category is flue gas emission and flame to perform burner wear analysis, and obtaining an available wear coefficient, including:

[0090] Extracting color features and density features from a corresponding first feature set of the smoke-target image;

[0091] The color feature and density feature of the smoke-target image are respectively calculated with the first set danger color feature and the set danger density feature by using a set similarity algorithm to obtain a first similarity coefficient;

[0092] When the corresponding first similarity coefficients of the color feature and the density feature of the flue gas-target image are both greater than the corresponding set similarity threshold, it is determined that there is currently an abnormal flue gas emission condition and the burner is worn;

[0093] Perform weighted averaging on the corresponding first similarity coefficients of the color feature and the density feature of the smoke-target image to obtain the wear coefficient;

[0094] Extracting color features from the corresponding first feature set of the flame-target image and calculating similarity with the corresponding second set dangerous color features using a set similarity algorithm to obtain a second similarity coefficient;

[0095] When the second similarity coefficient is greater than the corresponding set similarity threshold, it is determined that there is currently an abnormal flame condition and the burner is worn;

[0096] The second similarity coefficient is regarded as a wear coefficient output;

[0097] If only the abnormal smoke emission condition or the abnormal flame condition currently exists, the wear coefficient corresponding to the abnormal condition is output as the available wear coefficient;

[0098] If there are both abnormal smoke emission and abnormal flame conditions, the wear coefficients of the two abnormal conditions are weighted averaged and output as the available wear coefficient;

[0099] If there is no abnormal smoke emission condition and abnormal flame condition at present, the available wear coefficient is regarded as 0 and outputted.

[0100] In this embodiment, the smoke-target image refers to a target image whose image category is smoke emission; the first set dangerous color feature is pre-set, generally black; the set dangerous density feature is pre-set; the set similarity algorithm refers to the cosine similarity algorithm; the first similarity coefficient is used to express the similarity between the color feature of the smoke-target image and the set dangerous color feature, or the similarity between the density feature of the smoke-target image and the set dangerous density feature; the set similarity threshold is predetermined, generally 0.8; the second set dangerous color feature is pre-set, generally red and yellow; the second similarity coefficient is used to express the similarity between the color feature of the flame-target image and the second set dangerous color feature.

[0101] The beneficial effect of the above technical solution is that by analyzing the characteristics of the flue gas-target image and the flame-target image, abnormal flue gas emissions and flames can be discovered in a timely manner, thereby achieving an effective assessment of the wear condition of the burner.

[0102] The embodiment of the present invention provides a burner combustion control method for reducing corrosion, and the calculation formula of the target wear coefficient is as follows:

[0103] Where S1 represents the target wear coefficient of the current burner; Expressed as the wear coefficient of the current burner part; d i1 It is represented by the total defect area of ​​the i-th key part of the current burner, where i = 1, 2, 3, ..., n; n represents the total number of key parts of the burner; m i1 It is represented by the total number of defects in the i-th key part of the current burner; d i0 It is expressed as the area of ​​the i-th key part of the current burner; γ iIt is represented as the contribution weight of the i-th key part of the current burner to the operation of the burner; σ is represented as the wear correlation factor; f1 is represented as the available wear coefficient of the current burner; e is represented as the natural base.

[0104] In this embodiment, the key parts include the primary air elbow, the anti-wear plate, the concentrator, the central air duct and the burner nozzle; the contribution weights of the key parts to the burner operation are obtained by solving the matrix constructed after pairwise comparison and relative importance scoring using the hierarchical analysis method.

[0105] The beneficial effect of the above technical solution is that by calculating the wear coefficient of the parts, a strong data basis can be provided for accurately obtaining the current wear degree of the burner, laying the foundation for achieving effective control of combustion, thereby reducing burner corrosion.

[0106] An embodiment of the present invention provides a burner combustion control method for reducing corrosion, which adjusts key parameters and combustion mode of a current burner according to a first wear condition obtained, including:

[0107] Determining a first wear level of the current burner according to the acquired first wear condition;

[0108] Taking the first wear level as a matching condition, selecting a first mode and a first fuel that are compatible with each other from a set wear-fuel selection table;

[0109] When the first mode is inconsistent with the combustion mode of the current burner operation, the combustion mode of the current burner operation is replaced by the first mode;

[0110] Comparing the first fuel with the fuel of the current burner, and if they are inconsistent, replacing the fuel of the current burner with the first fuel;

[0111] Obtaining matching first parameter adjustment content from a set wear-adjustment table based on the first wear level;

[0112] When there is an air volume adjustment parameter in the acquired first parameter adjustment content, acquiring a first adjustment range of the air volume adjustment parameter in the first parameter adjustment content;

[0113] Analyze the first adjustment range to obtain a target adjustment amount;

[0114] Using the target adjustment amount to adjust the corresponding air volume adjustment parameter;

[0115] When the obtained first parameter adjustment content contains a fuel supply adjustment parameter, obtaining a supply adjustment amount of a current fuel supply adjustment in the first parameter adjustment content;

[0116] The fuel supply to the current fuel burner is adjusted using the supply adjustment amount.

[0117] In this embodiment, the first wear level is used to express the wear degree of the current burner; the set wear-fuel selection table is pre-established and consists of the wear level and the corresponding fuel type and combustion mode; the first mode refers to the combustion mode selected from the set wear-fuel selection table with the first wear level as the matching condition, such as staged combustion and flue gas recirculation; the first fuel refers to the fuel type selected from the set wear-fuel selection table with the first wear level as the matching condition; the set wear-adjustment table is pre-established and consists of the wear level and the corresponding parameter adjustment content, such as the air volume adjustment parameter and the fuel supply adjustment parameter; the first parameter adjustment content is the matching parameter adjustment content obtained from the set wear-adjustment table with the first wear level as the matching condition; the air volume adjustment parameter refers to the adjustment angle of the air inlet valve and the adjustment speed of the fan; the first adjustment range refers to the adjustment value range of the air volume adjustment parameter; the target adjustment amount is obtained by analyzing the first adjustment range; the fuel supply adjustment parameter refers to the fuel flow rate; the supply adjustment amount refers to the adjustment amount of the fuel flow rate.

[0118] The beneficial effects of the above technical solution are: by adjusting the combustion mode and fuel according to the wear conditions, and performing the parameter adjustment process, it is beneficial to optimize the burner performance, extend the equipment life, improve safety and stability, realize intelligent management and reduce the risk of burner corrosion.

[0119] An embodiment of the present invention provides a burner combustion control method for reducing corrosion, analyzing a first adjustment range to obtain a target adjustment amount, including:

[0120] Obtain the historical adjustment records of the air volume adjustment parameters of all burners of the same category as the current burner within a preset time period;

[0121] Filtering the first historical adjustment amount belonging to the current first adjustment range from the historical adjustment records;

[0122] When the first historical adjustment amount does not exist, the median value of the current first adjustment range is output as the target adjustment amount;

[0123] When there is a single first historical adjustment amount, an average value of the acquired first historical adjustment amount and the median value of the current first adjustment range is output as the target adjustment amount;

[0124] When there are multiple first historical adjustment amounts, obtaining the maximum adjustment amount among all current first historical adjustment amounts, and calculating the average adjustment amount of all first historical adjustment amounts;

[0125] Obtain a first adjustment difference of the maximum adjustment value minus the average adjustment value;

[0126] After adjusting the median value of the current first adjustment range using the first adjustment difference, a target adjustment value output is obtained.

[0127] In this embodiment, the preset time period is pre-set; the air volume adjustment parameter refers to the fan speed adjustment or the door valve adjustment angle adjustment; the historical adjustment record refers to the historical adjustment record of the air volume adjustment parameters of all burners of the same category as the current burner within the preset time period; the first historical adjustment amount refers to the historical adjustment amount of the air volume adjustment parameter in the historical adjustment record that belongs to the first adjustment range; the median value of the first adjustment range refers to the average value of the corresponding upper and lower adjustment limits of the first adjustment range; the first adjustment difference refers to the difference between the maximum adjustment amount and the corresponding average adjustment amount among multiple first historical adjustment amounts.

[0128] In this embodiment, for example, there are first historical adjustment amounts z1, z2, and z3, where z1 is the maximum adjustment amount among the first historical adjustment amounts z1, z2, and z3, and the current first adjustment range is [q1, q2];

[0129] At this time, the target adjustment amount in, is the median value of the current first adjustment range; is the average adjustment; is the first adjustment difference; e represents the natural base.

[0130] The beneficial effect of the above technical solution is that the air volume adjustment parameters can be accurately adjusted by calculating the target adjustment amount, which is beneficial to optimize burner performance, extend equipment life, improve safety and stability, realize intelligent management and reduce the risk of burner corrosion.

[0131] The embodiment of the present invention provides a burner combustion control method for reducing corrosion, which monitors the combustion operation status in real time and responds promptly when an abnormality occurs, including:

[0132] Using a setting data acquisition tool installed on the burner, real-time acquisition of combustion operation status is performed to obtain a first operation parameter;

[0133] Comparing the first operating parameter with a corresponding set operating threshold, if the first operating parameter is greater than the corresponding set operating threshold, marking the current first operating parameter as an abnormal parameter;

[0134] If the first operating parameter is not greater than the set operating threshold, and the absolute difference between the first operating parameter and the set operating threshold is less than the preset difference, the current first operating parameter is marked as a possible abnormal parameter;

[0135] If the first operating parameter is not greater than the set operating threshold, and the absolute difference between the first operating parameter and the set operating threshold is not less than the preset difference, the current first operating parameter is marked as a normal parameter;

[0136] If there are currently abnormal parameters, the abnormal processing strategy matching the abnormal parameters is extracted from the abnormal processing library to generate an abnormal report, which is sent to the maintenance personnel for abnormal processing;

[0137] If there is no abnormal parameter currently, obtaining a possible abnormality coefficient according to the possible abnormality marking of the current first operating parameter;

[0138] When the possible abnormality coefficient is greater than the set abnormality threshold, a maintenance report is generated based on the possible abnormality annotation of the current first operating parameter and sent to maintenance personnel for maintenance processing.

[0139] In this embodiment, the data acquisition tool is set to refer to a tool for real-time acquisition of the operating parameters of the burner, such as a temperature sensor, an oxygen content monitor, a nitrogen oxide monitor, etc.; the first operating parameter includes the burner temperature, the oxygen content and the nitrogen oxide content, etc.; the setting of the operating threshold is pre-set; the abnormal parameter refers to the first operating parameter greater than the corresponding set operating threshold; the possible abnormal parameter refers to the first operating parameter that is not greater than the set operating threshold, and the absolute difference between the parameter and the set operating threshold is less than the preset difference; the normal parameter refers to the first operating parameter that is not greater than the set operating threshold, and the absolute difference between the parameter and the set operating threshold is not less than the preset difference; the abnormal processing library is a database composed of abnormal parameters and corresponding abnormal processing strategies; the abnormal processing strategy refers to the abnormal processing strategy that matches the current abnormal parameters extracted from the abnormal processing library; the abnormal report is composed of abnormal parameters, abnormal processing strategies and abnormal detection time; the possible abnormal coefficient is obtained by weighted average of all possible abnormal parameters currently obtained, and is used to express the possibility of abnormality of the current burner; the setting of the abnormal threshold is pre-set; the maintenance report is composed of possible abnormal parameters, possible abnormal coefficients and possible abnormal detection time.

[0140] The beneficial effect of the above technical solution is: by collecting the operating parameters of the burner in real time, and combining the set operating threshold range and preset difference, the collected operating parameters can be accurately judged, so as to timely detect abnormal conditions of the burner and provide timely warning information to maintenance personnel, thereby helping to avoid potential safety risks and equipment damage and ensure the stable operation of the burner.

[0141] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A burner combustion control method for reducing corrosion, characterized in that: include: Step 1: Regularly detect the wear condition of the burner to obtain a first wear condition; Step 2: adjusting key parameters and combustion mode of the current fuel burner according to the acquired first wear condition; Step 3: Monitor the combustion operation status in real time and respond promptly when abnormalities occur.

2. A burner combustion control method for reducing corrosion according to claim 1, characterized in that: The burner is regularly tested for wear and tear to obtain a first wear and tear condition, including: Using a set camera to periodically photograph the combustion process of the burner to obtain a plurality of first images; Classifying and dividing the first images to obtain a smoke image set and a flame image set; Performing clarity analysis on the images in the smoke image set and the flame image set, selecting the image with the highest clarity from each image set as a key image, and marking the image category; After performing image preprocessing on the key image, a target image is obtained; Extracting features from the target image using a pre-established feature extraction model to obtain a first feature set; Using the first feature set of the target image whose image category is smoke emission and flame, burner wear analysis is performed to obtain an available wear coefficient; Use the set detection method to regularly detect the wear of key parts of the burner to obtain the wear data of the parts; Obtaining the wear coefficient of the key parts of the current burner according to the wear data of the parts; Combining the available wear coefficient with the position wear coefficient to obtain a target wear coefficient; Taking the target wear coefficient as a matching condition, a matching first wear level is obtained from the set coefficient range-wear level and output as a first wear condition.

3. A burner combustion control method for reducing corrosion according to claim 2, characterized in that: The first feature set of the target image whose image category is smoke emission and flame is extracted for burner wear analysis to obtain the available wear coefficient, including: Extracting color features and density features from a corresponding first feature set of the smoke-target image; The color feature and density feature of the smoke-target image are respectively calculated with the first set danger color feature and the set danger density feature by using a set similarity algorithm to obtain a first similarity coefficient; When the first similarity coefficients of the color feature and the density feature of the flue gas-target image are both greater than the corresponding set similarity threshold, it is determined that there is currently an abnormal flue gas emission condition and the burner is worn; Perform weighted averaging on the corresponding first similarity coefficients of the color feature and the density feature of the smoke-target image to obtain the wear coefficient; Extracting color features from the corresponding first feature set of the flame-target image and calculating similarity with the corresponding second set dangerous color features using a set similarity algorithm to obtain a second similarity coefficient; When the second similarity coefficient is greater than the corresponding set similarity threshold, it is determined that there is currently an abnormal flame condition and the burner is worn; The second similarity coefficient is regarded as a wear coefficient output; If only the abnormal smoke emission condition or the abnormal flame condition currently exists, the wear coefficient corresponding to the abnormal condition is output as the available wear coefficient; If there are both abnormal smoke emission and abnormal flame conditions, the wear coefficients of the two abnormal conditions are weighted averaged and output as the available wear coefficient; If there is no abnormal smoke emission condition and abnormal flame condition at present, the available wear coefficient is regarded as 0 and outputted.

4. A burner combustion control method for reducing corrosion according to claim 2, characterized in that: The calculation formula for the target wear coefficient is as follows: Where S1 represents the target wear coefficient of the current burner; Expressed as the wear coefficient of the current burner part; d i1 It is represented by the total defect area of ​​the i-th key part of the current burner, where i = 1, 2, 3, ..., n; n represents the total number of key parts of the burner; m i1 It is represented by the total number of defects in the i-th key part of the current burner; d i0 It is expressed as the area of ​​the i-th key part of the current burner; γ i It is represented as the contribution weight of the i-th key part of the current burner to the operation of the burner; σ is represented as the wear correlation factor; f1 is represented as the available wear coefficient of the current burner; e is represented as the natural base.

5. A burner combustion control method for reducing corrosion according to claim 1, characterized in that: According to the first wear condition obtained, key parameters and combustion mode of the current fuel burner are adjusted, including: Determining a first wear level of the current burner according to the acquired first wear condition; Taking the first wear level as a matching condition, selecting a first mode and a first fuel that are compatible with each other from a set wear-fuel selection table; When the first mode is inconsistent with the combustion mode of the current burner operation, the combustion mode of the current burner operation is replaced by the first mode; Comparing the first fuel with the fuel of the current burner, and if they are inconsistent, replacing the fuel of the current burner with the first fuel; Obtaining matching first parameter adjustment content from a set wear-adjustment table based on the first wear level; When there is an air volume adjustment parameter in the acquired first parameter adjustment content, acquiring a first adjustment range of the air volume adjustment parameter in the first parameter adjustment content; Analyze the first adjustment range to obtain a target adjustment amount; Using the target adjustment amount to adjust the corresponding air volume adjustment parameter; When the obtained first parameter adjustment content contains a fuel supply adjustment parameter, obtaining a supply adjustment amount of a current fuel supply adjustment in the first parameter adjustment content; The fuel supply to the current fuel burner is adjusted using the supply adjustment amount.

6. A burner combustion control method for reducing corrosion according to claim 5, characterized in that: The air volume adjustment parameters refer to the air inlet valve adjustment angle and the fan adjustment speed.

7. A burner combustion control method for reducing corrosion according to claim 5, characterized in that: The first adjustment range is analyzed to obtain a target adjustment amount, including: Obtain the historical adjustment records of the air volume adjustment parameters of all burners of the same category as the current burner within a preset time period; Filtering the first historical adjustment amount belonging to the current first adjustment range from the historical adjustment records; When the first historical adjustment amount does not exist, the median value of the current first adjustment range is output as the target adjustment amount; When there is a single first historical adjustment amount, an average value of the acquired first historical adjustment amount and the median value of the current first adjustment range is output as the target adjustment amount; When there are multiple first historical adjustment amounts, obtaining the maximum adjustment amount among all current first historical adjustment amounts, and calculating the average adjustment amount of all first historical adjustment amounts; Obtain a first adjustment difference of the maximum adjustment value minus the average adjustment value; After adjusting the median value of the current first adjustment range using the first adjustment difference, a target adjustment value output is obtained.

8. A burner combustion control method for reducing corrosion according to claim 1, characterized in that: Monitor combustion operation status in real time and respond promptly when abnormalities occur, including: Using a setting data acquisition tool installed on the burner, real-time acquisition of combustion operation status is performed to obtain a first operation parameter; Comparing the first operating parameter with a corresponding set operating threshold, if the first operating parameter is greater than the corresponding set operating threshold, marking the current first operating parameter as an abnormal parameter; If the first operating parameter is not greater than the set operating threshold, and the absolute difference between the first operating parameter and the set operating threshold is less than the preset difference, the current first operating parameter is marked as a possible abnormal parameter; If the first operating parameter is not greater than the set operating threshold, and the absolute difference between the first operating parameter and the set operating threshold is not less than the preset difference, the current first operating parameter is marked as a normal parameter; If there are currently abnormal parameters, the abnormal processing strategy matching the abnormal parameters is extracted from the abnormal processing library to generate an abnormal report, which is sent to the maintenance personnel for abnormal processing; If there is no abnormal parameter currently, obtaining a possible abnormality coefficient according to the possible abnormality marking of the current first operating parameter; When the possible abnormality coefficient is greater than the set abnormality threshold, a maintenance report is generated based on the possible abnormality annotation of the current first operating parameter and sent to maintenance personnel for maintenance processing.

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