CN114280268B - Alot-based boiler internal coking condition management system and method - Google Patents
Alot-based boiler internal coking condition management system and method Download PDFInfo
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- CN114280268B CN114280268B CN202111334210.0A CN202111334210A CN114280268B CN 114280268 B CN114280268 B CN 114280268B CN 202111334210 A CN202111334210 A CN 202111334210A CN 114280268 B CN114280268 B CN 114280268B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000004939 coking Methods 0.000 title claims abstract description 27
- 239000000571 coke Substances 0.000 claims abstract description 294
- 239000003245 coal Substances 0.000 claims abstract description 243
- 239000002893 slag Substances 0.000 claims abstract description 152
- 238000012544 monitoring process Methods 0.000 claims abstract description 52
- 238000002485 combustion reaction Methods 0.000 claims abstract description 21
- 230000004044 response Effects 0.000 claims abstract description 18
- 238000005457 optimization Methods 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims abstract description 4
- 230000009897 systematic effect Effects 0.000 claims abstract description 4
- 239000003818 cinder Substances 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 15
- 238000007726 management method Methods 0.000 claims description 14
- 238000004148 unit process Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000009472 formulation Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000011335 coal coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The invention discloses a boiler internal coking condition management system and method based on Alot, comprising a data acquisition module, a data processing module, a temperature monitoring module, a task making module and an early warning response module, wherein the data acquisition module comprises a sample acquisition unit and an image acquisition unit, and is used for acquiring sample data of thickness of fire coal and coke slag in a boiler; the data processing module is used for performing systematic processing on the data acquired by the data acquisition module and obtaining a specific result; the temperature monitoring module is used for monitoring the change condition of the combustion of the coal in the boiler, which is influenced by the temperature; the task making module is used for making optimization schemes of different conditions in the boiler after the data processing module; the early warning response module is used for responding to the result signal of the data processing module in an alarm manner; the method is based on Alot acquisition data, a series of related coke residue treatment schemes and early warning responses are formulated, and coke residues in the boiler are reduced to the maximum extent.
Description
Technical Field
The invention relates to the technical field of coking treatment, in particular to a boiler internal coking condition management system and method based on Alot.
Background
The problem of boiler coking of the coal-fired power plant is commonly existed in the thermal power industry, the boiler coking is a difficult problem for restricting the economy and the safety of the thermal power industry, and the serious boiler coking not only affects the safety of a unit, but also severely restricts the load connection of the unit, thereby affecting the economy of the unit;
coal is one of the most important energy sources in the society at present, and is a fuel which is vital to heating power of thermal power companies and power generation of electric power companies. However, the characteristics of the coke residues generated by different types of coal after the volatile matters are measured are different, when the volatile matters are measured, the coke residues left after the volatile matters escape represent the cohesiveness of the coal under the condition of sudden heating, so that positive reference significance is provided for the selection of the coal for the boiler, and the different types of coal coke residues can influence the boiler to different degrees; the coal cinder with strong cohesiveness can be adhered in the boiler, the resistance of a coal layer is increased, ventilation is prevented, efficiency in the boiler can be reduced, coal required for reaching production indexes is increased, consumption of primary energy is increased, and economic benefits of thermal power companies are reduced.
Disclosure of Invention
The invention aims to provide a boiler coking condition management system and method based on Alot, which are used for solving the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: a boiler coking condition management system and method based on Alot comprises a data acquisition module, a data processing module, a temperature monitoring module, a task formulation module and an early warning response module; the data acquisition module is used for acquiring sample data of the thickness of the coal and the coke slag in the boiler and comprises a sample acquisition unit and an image acquisition unit; the data processing module is used for performing systematic processing on the data acquired by the data acquisition module and obtaining a specific result, and comprises a coal type processing unit, a coke residue area processing unit and a coke residue thickness processing unit; the temperature monitoring module is used for monitoring the change condition of the fire coal in the boiler, which is influenced by the temperature, and comprises a fire coal temperature monitoring unit; the task making module is used for making optimization schemes of different conditions in the boiler after the data processing module, and comprises a coal-fired optimization making unit and a coke residue management and control making unit; the early warning response module is used for carrying out alarm response on the result signals of the data processing module, and comprises an intelligent early warning unit.
Further, the sample collecting unit is used for collecting sample data of different types of fire coal, wherein the fire coal of different types is i, i is a positive integer greater than zero, and the sample data comprises the volume V of the fire coal before being fed into the furnace i The thickness H of the boiler itself in the case where no coke residue is generated in the boiler, and the surface area S of the boiler in the case where no coke residue is generated in the boiler.
Further, the image acquisition unit is used for acquiring images of different periods when different types of coal are combusted in the boiler, wherein the images of different periods are respectively an image when the coke residue is about to be generated and an image when the coke residue is generated. The images of different types of fire coals in the same period are calculated and compared, and the images of the same fire coals in different periods are compared transversely and longitudinally, so that the data are more abundant, and the result is more convincing; the coal temperature monitoring unit is used for monitoring the environmental temperature of different types of coal when no coke slag is generated, the environmental temperature of the coke slag to be generated and the environmental temperature of the coke slag generated; the fire coal temperature monitoring unit also has the function of regulating and controlling the temperature of the fire coal environment, and the fire coal temperature monitoring unit receives the signal of the intelligent early warning unit to regulate and control the temperature of the fire coal in the boiler.
A boiler coking condition management method based on Alot comprises the following steps:
step (1): the coal type processing unit processes basic data of different coals in the sample acquisition unit and coal temperature data of the coal temperature monitoring unit;
step (2): the coke residue area processing unit processes and calculates the area of the generated coke residue and judges the area;
step (3): the coke slag thickness processing unit calculates and processes the thickness of the coke slag and judges the thickness;
step (4): the coal-fired optimizing and formulating unit is used for formulating an optimizing scheme for the coal based on the data of the coal-fired type processing unit;
step (5): the coke residue pipe control unit performs early warning treatment on the coke residue based on the data of the coke residue area treatment unit and the coke residue thickness treatment unit;
step (6): the intelligent early warning control unit performs early warning on the coke slag in the coke slag area processing unit and the coke slag thickness processing unit, and is connected with the coal temperature monitoring unit in a feedback manner to perform intelligent regulation and control on the temperature environment of the coal.
Further, the specific steps in the step (1) are as follows:
step (1.1): the coal type processing unit respectively processes different types of coal data, and monitors the temperature value Q of the coal temperature monitoring unit when the coke slag is about to be generated ai The time to reach the temperature value and the volume W of the fire coal at the moment ai Respectively recording the time value of the time unit T from the beginning of combustion to the moment when the coke residue is about to be generated ai I is different kinds of fire coal, i is a positive integer greater than zero, Q ai 、T ai And W is ai All are data values when the coke residue is about to be generated under the same fire coal;
step (1.2): the coal type processing unit respectively processes different types of coal data and monitors the temperature value Q of the coal temperature monitoring unit when the coke slag is generated bi The time to reach the temperature value and the volume W of the fire coal at the moment bi Respectively recording the time value of the time unit T from the beginning of combustion to the generation of coke residues bi ，Q bi 、T bi And W is bi All are data values when the same kind of fire coal has generated coke residues;
step (1.3): the coal type processing unit compares different types of coal data, and the fixed cinder threshold value of different types of coal when cinder is generated is set as [ G, G ] 1 ]The threshold value of the coke residue is the lower limit value G of the coke residue to be generated and the upper limit value G of the coke residue already generated 1 Respectively comparing Q of different types of fire coal ai 、Q bi T is as follows ai 、T bi The method comprises the steps of carrying out a first treatment on the surface of the Then comparing W with different kinds of fire coal under the condition that the coke slag is about to be generated and the condition that the coke slag is generated ai And W is bi Is a data value of (2);
step (1.4): the coal type processing unit compares the different types of coal to select the maximum temperature and the maximum time required by the type of the coal and the residual volume W of the different types of coal when the coke slag is about to be produced and the coke slag is already produced ai -V i And a residual volume W when the coke residue has been generated bi -V i 。
Under the condition of data based on the sample acquisition unit and the coal temperature monitoring unit, the coal type processing unit compares the time and the temperature of combustion and the volume of the coal when the coke slag is generated by combustion, and transmits specific coal numerical value signals obtained by comparing a plurality of data to the coal optimizing and formulating unit to optimize and control the coal.
Further, the specific steps in the step (2) are as follows:
step (2.1): the coke residue area processing unit compares the image which is acquired by the image acquisition unit and has generated the coke residue with the surface area S of the boiler under the condition that the boiler does not generate the coke residue, and records the surface area S of the coke residue on the image which has generated the coke residue;
step (2.2): if the ratio of the surface area S of the generated coke slag to the surface area S of the boiler under the condition of no coke slag generation is larger than the area proportion threshold value set by the coke slag area processing unit, the coke slag area processing unit transmits a signal to the intelligent early warning unit to send an early warning signal to remind the coke slag to be cleaned.
The coke residue area processing unit calculates and compares the area of the generated coke residue with the area of the boiler when the coke residue is not combusted with the threshold value, and the obtained result is transmitted to the intelligent early warning unit for early warning response, so that the complexity of manually checking the coke residue is greatly reduced, and the labor cost is reduced.
Further, the specific steps in the step (3) are as follows:
step (3.1): the coke residue thickness processing unit compares the thickness H of the boiler body under the condition that the sample acquisition unit acquires the coke residue in the boiler and the image data acquired by the image acquisition unit, and records the thickness H of the coke residue on the image which is generated with the coke residue;
step (3.2): calculation ofIf the value of (2) is compared with the thickness ratio threshold set by the cinder thickness processing unit>And the thickness ratio threshold value is larger than or equal to the thickness ratio threshold value, and the coke residue thickness processing unit transmits a signal to the intelligent early warning unit to send out a signal to remind the coke residue to be removed.
The coke slag thickness processing unit also uses the thickness of the boiler as a reference, judges thickness data generated by the coke slag, sets an early warning value for comparison, and transmits signals to the intelligent early warning unit, so that the coke slag is processed at the initial easiest stage when being manually processed, and the danger caused by excessive thickness generated by the coke slag is avoided.
Further, the specific steps in the step (4) are as follows:
step (4.1): the coal optimizing and formulating unit utilizes the maximum value Max { Q } of the temperature of different types of coal under the condition of generating coke slag a1 ，Q a2 ，……，Q ai Sum time maximum Max { T } value a1 ，T a2 ，……，T ai -a }; maximum value Max { Q } of temperature of different kinds of coal under the condition of coke slag generation b1 ，Q b2 ，......，Q bi Sum time maximum Max { T } value b1 ，T b2 ，……，T bi }；
Step (4.2): the coal optimizing and formulating unit utilizes the coal types obtained in the coal type processing unit, and the minimum residual volume of different types of coal is the condition that the coke slag is about to be generated and the coke slag is already generatedMin{W a1 -V 1 ，W a2 -V 2 ，……，W ai -V i Sum Min { W } b1 -V 1 ，W b2 -V 2 ，……，W bi -V i }；
Step (4.3): the coal optimizing and formulating unit sets the priority of the preferable coal: the coal temperature is greater than the coal time and the volume of the coal is greater than the coal time, and the maximum value of the coal temperature required by different types of coal under the condition of producing coke slag is calculated respectively to obtain a preferred coal as a system preferred scheme; calculating the maximum value of the time of the fire coal required by different types of fire coal under the condition of producing the coke slag, and obtaining a preferred fire coal II as a system preferred scheme; calculating to obtain the minimum value of the volume difference of the fire coals required by different types of fire coals under the condition of producing coke slag, and obtaining a preferred fire coal III as a system preferred scheme; and carrying out level judgment according to the priority, storing data generated by related coke residues in each burning coal, and carrying out optimization reminding through a coal optimizing and formulating unit.
The coal optimizing and formulating unit makes a preferable scheme for the coal based on the data result of the coal type processing unit, so that the coal is convenient to store the information of the coal during combustion, and meanwhile, better quality coal is selected, thereby reducing the generation of coke slag and improving the combustion safety of the boiler.
Further, the specific steps in the step (5) are as follows:
step (5.1): coke residue threshold value [ G, G ] of coke residue pipe control unit 1 ]Judging when the actual cinder area reaches cinder threshold values G and G 1 When the corresponding coke residue area is reached, the coke residue pipe control unit transmits signals to the intelligent early warning unit;
step (5.2): coke residue threshold value [ G, G ] of coke residue pipe control unit 1 ]Judging when the actual coke slag thickness reaches the coke slag threshold values G and G 1 When the corresponding coke slag thickness is reached, the coke slag pipe control unit transmits signals to the intelligent early warning unit.
The coke slag pipe control unit respectively performs early warning response and cleaning on the thickness and the area of the coke slag based on the condition after the coke slag is generated, so that timely cleaning of the coke slag is achieved, and the risk after the coke slag is generated is reduced to the minimum.
Further, the specific steps in the step (6) are as follows:
step (6.1): the intelligent early warning unit sets early warning priority: the thickness of the coke slag is greater than the area of the coke slag; the intelligent early warning unit automatically carries out intelligent early warning on signals of the coke residue thickness processing unit and the coke residue area processing unit to remind related personnel to process coke residues;
step (6.2): the intelligent early-warning unit is provided with an intelligent connection coal-fired temperature monitoring unit, and when the intelligent early-warning unit receives signals of the coke residue control and setting unit, the intelligent early-warning unit judges according to signals of different thresholds of the coke residue; when the intelligent early warning unit receives a signal corresponding to the coking slag threshold G, the intelligent early warning unit transmits the signal to the coal-fired temperature monitoring unit to regulate and control the temperature; the intelligent early warning unit receives a corresponding cinder threshold G 1 When the intelligent early warning unit directly sends out early warning response, and provides relevant personnel for coke residue treatment.
The intelligent early warning unit is electrically connected with the coke slag area processing unit, the coke slag thickness processing unit and the coal-fired temperature monitoring unit, and the intelligent early warning unit transmits feedback signals to the coal-fired temperature monitoring unit so that the coal-fired temperature monitoring unit regulates and controls the temperature, so that the system is more intelligent, and meanwhile, the coke slag generation speed is reduced.
Compared with the prior art, the invention has the following beneficial effects: the Alot-based boiler internal coking condition management system and method effectively monitor the generation of coke slag, and early warn when the coke slag is generated, so that the safety of internal combustion of the boiler is improved; when the coke slag is about to be generated, the system can intelligently adjust to slow down the generation speed of the coke slag, and effectively control the generation speed of the coke slag to reduce the load of the boiler; and in addition, all different types of fire coal entering the boiler can be stored in the system to screen out high-quality fire coal, so that the combustion cost is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic block diagram of a system and method for managing coking conditions in a boiler based on Alot in accordance with the present invention;
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but 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.
Referring to fig. 1, the present invention provides the following technical solutions: a boiler coking condition management system and method based on Alot comprises a data acquisition module, a data processing module, a temperature monitoring module, a task formulation module and an early warning response module; the data acquisition module is used for acquiring sample data of the thickness of the coal and the coke slag in the boiler and comprises a sample acquisition unit and an image acquisition unit; the data processing module is used for performing systematic processing on the data acquired by the data acquisition module and obtaining a specific result, and comprises a coal type processing unit, a coke residue area processing unit and a coke residue thickness processing unit; the temperature monitoring module is used for monitoring the change condition of the fire coal in the boiler, which is influenced by the temperature, and comprises a fire coal temperature monitoring unit; the task making module is used for making optimization schemes of different conditions in the boiler after the data processing module, and comprises a coal-fired optimization making unit and a coke residue management and control making unit; the early warning response module is used for carrying out alarm response on the result signals of the data processing module, and comprises an intelligent early warning unit.
The sample collecting unit is used for collecting sample data of different types of fire coal, wherein the different types of fire coal are marked as i, i is a positive integer greater than zero, and the sample data comprise the volume V of the fire coal before being fed into the furnace i Thickness H of boiler itself in case of no coke residue generated in boiler and no coke residue generated in boilerThe surface area S of the boiler in this case.
The image acquisition unit is used for acquiring images of different periods when different types of coal burns in the boiler, wherein the images of different periods are respectively an image when the coke residue is about to be generated and an image when the coke residue is generated. The images of different types of fire coals in the same period are calculated and compared, and the images of the same fire coals in different periods are compared transversely and longitudinally, so that the data are more abundant, and the result is more convincing; the coal temperature monitoring unit is used for monitoring the environmental temperature of different types of coal when no coke slag is generated, the environmental temperature of the coke slag to be generated and the environmental temperature of the coke slag generated; the fire coal temperature monitoring unit also has the function of regulating and controlling the temperature of the fire coal environment, and the fire coal temperature monitoring unit receives the signal of the intelligent early warning unit to regulate and control the temperature of the fire coal in the boiler.
A boiler coking condition management method based on Alot comprises the following steps:
step (1): the coal type processing unit processes basic data of different coals in the sample acquisition unit and coal temperature data of the coal temperature monitoring unit;
step (2): the coke residue area processing unit processes and calculates the area of the generated coke residue and judges the area;
step (3): the coke slag thickness processing unit calculates and processes the thickness of the coke slag and judges the thickness;
step (4): the coal-fired optimizing and formulating unit is used for formulating an optimizing scheme for the coal based on the data of the coal-fired type processing unit;
step (5): the coke residue pipe control unit performs early warning treatment on the coke residue based on the data of the coke residue area treatment unit and the coke residue thickness treatment unit;
step (6): the intelligent early warning control unit performs early warning on the coke slag in the coke slag area processing unit and the coke slag thickness processing unit, and is connected with the coal temperature monitoring unit in a feedback manner to perform intelligent regulation and control on the temperature environment of the coal.
The specific steps in the step (1) are as follows:
step (1.1): the coal type treatment units are respectively arrangedDifferent kinds of fire coal data are processed, and the temperature value Q of the fire coal when the coke slag is about to be detected in the fire coal temperature monitoring unit is calculated ai The time to reach the temperature value and the volume W of the fire coal at the moment ai Respectively recording the time value of the time unit T from the beginning of combustion to the moment when the coke residue is about to be generated ai I is different kinds of fire coal, i is a positive integer greater than zero, Q ai 、T ai And W is ai All are data values when the coke residue is about to be generated under the same fire coal;
step (1.2): the coal type processing unit respectively processes different types of coal data and monitors the temperature value Q of the coal temperature monitoring unit when the coke slag is generated bi The time to reach the temperature value and the volume W of the fire coal at the moment bi Respectively recording the time value of the time unit T from the beginning of combustion to the generation of coke residues bi ，Q bi 、T bi And W is bi All are data values when the coke slag is generated under the same fire coal;
step (1.3): the coal type processing unit compares different types of coal data, and the fixed cinder threshold value of different types of coal when cinder is generated is set as [ G, G ] 1 ]The threshold of the coke residue is the lower limit value G of the coke residue to be generated and the upper limit value G1 of the coke residue to be generated, and Q of different types of fire coal are respectively compared ai 、Q bi T is as follows ai 、T bi The method comprises the steps of carrying out a first treatment on the surface of the Then comparing W with different kinds of fire coal under the condition that the coke slag is about to be generated and the condition that the coke slag is generated ai And W is bi Is a data value of (2);
step (1.4): the coal type processing unit compares the different types of coal to select the maximum temperature and the maximum time required by the type of the coal and the residual volume W of the different types of coal when the coke slag is about to be produced and the coke slag is already produced ai -V i And a residual volume W when the coke residue has been generated bi -V i 。
Recording the temperature Q of different coals when the coke residue is about to be produced and when the coke residue is produced ai 、Q bi And time T ai 、T bi The highest required combustion temperature and the longest time in different types of fire coal are selected, which indicates that the fire coal has slower speed of producing the coke slag, is beneficial to the combustion of the fire coal, and calculates the residual volume W of the fire coal under two conditions ai -V i And W is bi -V i The more the remainder is, the more fire resistant the fire coal is, which is more favorable for resource utilization and saves cost.
Under the condition of data based on the sample acquisition unit and the coal temperature monitoring unit, the coal type processing unit compares the time and the temperature of combustion and the volume of the coal when the coke slag is generated by combustion, and transmits specific coal numerical value signals obtained by comparing a plurality of data to the coal optimizing and formulating unit to optimize and control the coal.
The specific steps in the step (2) are as follows:
step (2.1): the coke residue area processing unit compares the image which is acquired by the image acquisition unit and has generated the coke residue with the surface area S of the boiler under the condition that the boiler does not generate the coke residue, and records the surface area S of the coke residue on the image which has generated the coke residue;
step (2.2): if the ratio of the surface area S of the generated coke slag to the surface area S of the boiler under the condition of no coke slag generation is larger than the area proportion threshold value set by the coke slag area processing unit, the coke slag area processing unit transmits a signal to the intelligent early warning unit to send an early warning signal to remind the coke slag to be cleaned.
The coke residue area processing unit calculates and compares the area of the generated coke residue with the area of the boiler when the coke residue is not combusted with the threshold value, and the obtained result is transmitted to the intelligent early warning unit for early warning response, so that the complexity of manually checking the coke residue is greatly reduced, and the labor cost is reduced.
The specific steps in the step (3) are as follows:
step (3.1): the coke residue thickness processing unit compares the thickness H of the boiler body under the condition that the sample acquisition unit acquires the coke residue in the boiler and the image data acquired by the image acquisition unit, and records the thickness H of the coke residue on the image which is generated with the coke residue;
step (3.2): calculation ofIf the value of (2) is compared with the thickness ratio threshold set by the cinder thickness processing unit>And the thickness ratio threshold value is larger than or equal to the thickness ratio threshold value, and the coke residue thickness processing unit transmits a signal to the intelligent early warning unit to send out a signal to remind the coke residue to be removed.
The coke slag thickness processing unit also uses the thickness of the boiler as a reference, judges thickness data generated by the coke slag, sets an early warning value for comparison, and transmits signals to the intelligent early warning unit, so that the coke slag is processed at the initial easiest stage when being manually processed, and the danger caused by excessive thickness generated by the coke slag is avoided.
The specific steps in the step (4) are as follows:
step (4.1): the coal optimizing and formulating unit utilizes the maximum value Max { Q } of the temperature of different types of coal under the condition of generating coke slag a1 ，Q a2 ，……，Q ai Sum time maximum Max { T } value a1 ，T a2 ，……，T ai -a }; maximum value Max { Q } of temperature of different kinds of coal under the condition of coke slag generation b1 ，Q b2 ，……，Q bi Sum time maximum Max { T } value b1 ，T b2 ，……，T bi }；
Step (4.2): the coal optimizing and formulating unit utilizes the minimum residual volume Min { W { under the condition that the coke slag is about to be produced and the coke slag is already produced by different types of coal obtained in the coal type processing unit a1 -V 1 ，W a2 -V 2 ，……，W ai -V i Sum Min { W } b1 -V 1 ，W b2 -V 2 ，……，W bi -V i }；
Step (4.3): the coal optimizing and formulating unit sets the priority of the preferable coal: the coal temperature is greater than the coal time and the volume of the coal is greater than the coal time, and the maximum value of the coal temperature required by different types of coal under the condition of producing coke slag is calculated respectively to obtain a preferred coal as a system preferred scheme; calculating the maximum value of the time of the fire coal required by different types of fire coal under the condition of producing the coke slag, and obtaining a preferred fire coal II as a system preferred scheme; calculating to obtain the minimum value of the volume difference of the fire coals required by different types of fire coals under the condition of producing coke slag, and obtaining a preferred fire coal III as a system preferred scheme; and carrying out level judgment according to the priority, storing data generated by related coke residues in each burning coal, and carrying out optimization reminding through a coal optimizing and formulating unit.
The coal optimizing and formulating unit makes a preferable scheme for the coal based on the data result of the coal type processing unit, so that the coal is convenient to store the information of the coal during combustion, and meanwhile, better quality coal is selected, thereby reducing the generation of coke slag and improving the combustion safety of the boiler.
The specific steps in the step (5) are as follows:
step (5.1): coke residue threshold value [ G, G ] of coke residue pipe control unit 1 ]Judging when the actual cinder area reaches cinder threshold values G and G 1 When the corresponding coke residue area is reached, the coke residue pipe control unit transmits signals to the intelligent early warning unit;
step (5.2): coke residue threshold value [ G, G ] of coke residue pipe control unit 1 ]Judging when the actual coke slag thickness reaches the coke slag threshold values G and G 1 When the corresponding coke slag thickness is reached, the coke slag pipe control unit transmits signals to the intelligent early warning unit.
The coke slag pipe control unit respectively performs early warning response and cleaning on the thickness and the area of the coke slag based on the condition after the coke slag is generated, so that timely cleaning of the coke slag is achieved, and the risk after the coke slag is generated is reduced to the minimum.
The specific steps in the step (6) are as follows:
step (6.1): the intelligent early warning unit sets early warning priority: the thickness of the coke slag is greater than the area of the coke slag; the intelligent early warning unit automatically carries out intelligent early warning on signals of the coke residue thickness processing unit and the coke residue area processing unit to remind related personnel to process coke residues;
step (6.2): intelligent early warning unit is provided with intelligent connection fire coal temperature monitoringThe intelligent early warning unit judges according to signals of different thresholds of the coke slag when receiving the signals of the coke slag control and setting unit; when the intelligent early warning unit receives a signal corresponding to the coking slag threshold G, the intelligent early warning unit transmits the signal to the coal-fired temperature monitoring unit to regulate and control the temperature; the intelligent early warning unit receives a corresponding cinder threshold G 1 When the intelligent early warning unit directly sends out early warning response, and provides relevant personnel for coke residue treatment.
The intelligent early warning unit is electrically connected with the coke slag area processing unit, the coke slag thickness processing unit and the coal-fired temperature monitoring unit, and the intelligent early warning unit transmits feedback signals to the coal-fired temperature monitoring unit so that the coal-fired temperature monitoring unit regulates and controls the temperature, so that the system is more intelligent, and meanwhile, the coke slag generation speed is reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An Alot-based boiler internal coking condition management system is characterized in that: the system comprises a data acquisition module, a data processing module, a temperature monitoring module, a task formulation module and an early warning response module; the data acquisition module is used for acquiring sample data of the thickness of the coal and the coke slag in the boiler and comprises a sample acquisition unit and an image acquisition unit; the data processing module is used for performing systematic processing on the data acquired by the data acquisition module and obtaining a specific result, and comprises a coal type processing unit, a coke residue area processing unit and a coke residue thickness processing unit; the temperature monitoring module is used for monitoring the change condition of the fire coal in the boiler, which is influenced by the temperature, and comprises a fire coal temperature monitoring unit; the task making module is used for making optimization schemes of different conditions in the boiler after the data processing module, and comprises a coal-fired optimization making unit and a coke residue management and control making unit; the early warning response module is used for responding to the result signal of the data processing module in an alarm mode and comprises an intelligent early warning unit;
the coal type processing unit respectively processes different types of coal data and monitors the temperature value Q of the coal temperature monitoring unit when the coke slag is about to be burnt ai The time to reach the temperature value and the volume W of the fire coal at the moment ai Respectively recording the time value of the time unit T from the beginning of combustion to the moment of coke residue generation ai I is different kinds of fire coal, i is a positive integer greater than zero, Q ai 、T ai And W is ai All are data values when the coke residue is about to be generated under the same fire coal;
the coal type processing unit respectively processes different types of coal data and monitors the temperature value Q of the coal temperature monitoring unit when the coke slag is generated bi The time to reach the temperature value and the volume W of the fire coal at the moment bi Recording the time value of the time unit T from the beginning of combustion to the generation of coke residues bi ，Q bi 、T bi And W is bi All when the coke residue is generated under the same fire coalA data value;
the coal type processing unit compares different types of coal data, and the fixed cinder threshold value of the different types of coal when cinder is generated is set as [ G, G ] 1 ]The threshold value of the coke residue is the lower limit value G of the coke residue to be generated and the upper limit value G of the generated coke residue 1 Respectively comparing Q of different types of fire coal ai 、Q bi T is as follows ai 、T bi The method comprises the steps of carrying out a first treatment on the surface of the Then comparing W with different kinds of fire coal under the condition that the coke slag is about to be generated and the condition that the coke slag is generated ai And W is bi Is a data value of (2);
the coal type processing unit compares different types of coal, and selects the maximum temperature and the maximum time required by the type of the coal and the residual volume W of the different types of coal when the coke slag is about to be generated and the coke slag is already generated ai -V i And a residual volume W when the coke residue has been generated bi -V i 。
2. The Alot-based boiler coking condition management system of claim 1, wherein: the sample acquisition unit is used for acquiring sample data of different types of fire coal, wherein the fire coal of different types is marked as i, i is a positive integer greater than zero, and the sample data is the volume V of the fire coal before entering the furnace i The sample collection unit is used for collecting the thickness H of the boiler itself in the case of no coke residue in the boiler and the surface area S of the boiler in the case of no coke residue in the boiler.
3. The Alot-based boiler coking condition management system of claim 1, wherein: the image acquisition unit is used for acquiring images of different periods when different types of coal burns in the boiler, wherein the different periods are respectively an image when the coke residue is about to be generated and an image when the coke residue is generated; the fire coal temperature monitoring unit is used for monitoring the environment temperature of different types of fire coal when no coke slag is generated, the environment temperature of the coke slag to be generated and the environment temperature of the coke slag generated.
4. A method for managing coking conditions in a boiler using the Alot-based system for managing coking conditions in a boiler according to any one of claims 1 to 3, characterized by: the method comprises the following steps:
step (1): the coal type processing unit processes basic data of different coals in the sample acquisition unit and coal temperature data of the coal temperature monitoring unit;
step (1.1): the coal type processing unit respectively processes different types of coal data and monitors the temperature value Q of the coal temperature monitoring unit when the coke slag is about to be burnt ai The time to reach the temperature value and the volume W of the fire coal at the moment ai Respectively recording the time value of the time unit T from the beginning of combustion to the moment of coke residue generation ai I is different kinds of fire coal, i is a positive integer greater than zero, Q ai 、T ai And W is ai All are data values when the coke residue is about to be generated under the same fire coal;
step (1.2): the coal type processing unit respectively processes different types of coal data and monitors the temperature value Q of the coal temperature monitoring unit when the coke slag is generated bi The time to reach the temperature value and the volume W of the fire coal at the moment bi Recording the time value of the time unit T from the beginning of combustion to the generation of coke residues bi ，Q bi 、T bi And W is bi All are data values when the coke slag is generated under the same fire coal;
step (1.3): the coal type processing unit compares different types of coal data, and the fixed cinder threshold value of the different types of coal when cinder is generated is set as [ G, G ] 1 ]The threshold value of the coke residue is the lower limit value G of the coke residue to be generated and the upper limit value G of the generated coke residue 1 Respectively comparing Q of different types of fire coal ai 、Q bi T is as follows ai 、T bi The method comprises the steps of carrying out a first treatment on the surface of the And then respectively comparing the situation that the coke slag is about to be generated and the situation that the coke slag is generated for different kinds of coalW ai And W is bi Is a data value of (2);
step (1.4): the coal type processing unit compares different types of coal, selects the maximum temperature and the maximum time required by the type of the coal under the conditions that the coke slag is about to be generated and the coke slag is generated, and calculates the W of different types of coal ai -V i And W is bi -V i Is a value of (2);
step (2): the coke residue area processing unit processes and calculates the area of the generated coke residue and judges the area;
step (3): the coke slag thickness processing unit calculates and processes the thickness of the coke slag and judges the thickness;
step (4): the coal optimizing and formulating unit is used for formulating an optimizing scheme for the coal based on the data of the coal type processing unit;
step (5): the coke slag pipe control unit performs early warning treatment on the coke slag based on the data of the coke slag area treatment unit and the coke slag thickness treatment unit;
step (6): the intelligent early warning control unit performs early warning on the coke slag in the coke slag area processing unit and the coke slag thickness processing unit, and performs feedback connection with the fire coal temperature monitoring unit to perform intelligent regulation and control on the temperature environment of fire coal.
5. The method for managing coking conditions in a boiler according to claim 4, wherein: the specific steps in the step (2) are as follows:
step (2.1): the coke residue area processing unit compares the image which is acquired by the image acquisition unit and has generated the coke residue with the surface area S of the boiler under the condition that the boiler does not generate the coke residue, and records the surface area S of the coke residue on the image which has generated the coke residue as S;
step (2.2): if the ratio of the surface area S of the generated coke slag to the surface area S of the boiler under the condition of no coke slag generation is larger than the area proportion threshold value set by the coke slag area processing unit, the coke slag area processing unit transmits a signal to the intelligent early warning unit to send an early warning signal to remind the coke slag to be removed.
6. The method for managing coking conditions in a boiler according to claim 5, wherein: the specific steps in the step (2) are as follows:
step (3.1): the coke residue thickness processing unit compares the thickness H of the boiler body under the condition that the sample acquisition unit acquires the coke residue in the boiler without generating the coke residue with the image data acquired by the image acquisition unit, and records the thickness H of the coke residue on the image with the coke residue generated;
step (3.2): calculation ofIf +.>And the thickness ratio threshold value is larger than or equal to the thickness ratio threshold value, and the coke residue thickness processing unit transmits a signal to the intelligent early warning unit to send out a signal to remind the removal of the coke residue.
7. The method for managing coking conditions in a boiler according to claim 6, wherein: the specific steps in the step (4) are as follows:
step (4.1): the coal optimizing and formulating unit utilizes the maximum value Max { Q { of the temperature of different types of coal under the condition of being about to produce coke slag a1 ，Q a2 ，......，Q ai Sum time maximum Max { T } value a1 ，T a2 ，......，T ai -a }; maximum value Max { Q } of temperature of different kinds of coal under the condition of coke slag generation b1 ，Q b2 ，......，Q bi Sum time maximum Max { T } value b1 ，T b2 ，......，T bi }；
Step (4.2): the coal optimizing and formulating unit utilizes the coal types obtained in the coal type processing unit, and the minimum residual volume Min { W ] of different types of coal under the conditions that the coke slag is about to be generated and the coke slag is generated a1 -V 1 ，W a2 -V 2 ，......，W ai -V i Sum Min { W } b1 -V 1 ，W b2 -V 2 ，......，W bi -V i }；
Step (4.3): the coal optimizing and formulating unit sets the priority of the preferable coal: the coal temperature is greater than the coal time and the volume of the coal is greater than the coal time, and the maximum value of the coal temperature required by different types of coal under the condition of producing coke slag is calculated respectively to obtain a preferred coal as a system preferred scheme; calculating the maximum value of the time of the fire coal required by different types of fire coal under the condition of producing the coke slag, and obtaining a preferred fire coal II as a system preferred scheme; calculating to obtain the minimum value of the volume difference of the fire coals required by different types of fire coals under the condition of producing coke slag, and obtaining a preferred fire coal III as a system preferred scheme; and carrying out level judgment according to the priority, storing data generated by related coke residues in each burning coal, and carrying out optimization reminding through the coal optimizing and formulating unit.
8. The method for managing coking conditions in a boiler according to claim 4, wherein: the specific steps in the step (5) are as follows:
step (5.1): the cinder pipe control unit is used for controlling the cinder threshold value [ G, G ] 1 ]Judging when the actual cinder area reaches cinder threshold values G and G 1 When the corresponding coke residue area is reached, the coke residue pipe control unit transmits a signal to the intelligent early warning unit;
step (5.2): the cinder pipe control unit is used for controlling the cinder threshold value [ G, G ] 1 ]Judging when the actual coke slag thickness reaches the coke slag threshold values G and G 1 When the corresponding coke slag thickness is reached, the coke slag pipe control unit transmits signals to the intelligent early warning unit.
9. The method for managing coking conditions in a boiler according to claim 4, wherein: the specific steps in the step (6) are as follows:
step (6.1): the intelligent early warning unit sets early warning priority: the thickness of the coke slag is greater than the area of the coke slag; the intelligent early warning unit automatically carries out intelligent early warning on signals of the coke residue thickness processing unit and the coke residue area processing unit to remind related personnel to process coke residues;
step (6.2): the intelligent early warning unit is arranged to be connected with the coal-fired temperature monitoring unit in an intelligent manner, and judges according to signals of different thresholds of the coke slag when the intelligent early warning unit receives the signals of the coke slag control and setting unit; when the intelligent early warning unit receives a signal corresponding to the coke residue threshold G, the intelligent early warning unit transmits a signal to the coal-fired temperature monitoring unit to regulate and control the temperature; the intelligent early warning unit receives a corresponding cinder threshold G 1 And (3) the intelligent early warning unit directly sends out early warning response to provide relevant personnel for coke residue treatment.
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