CN114495386A - Intelligent monitoring and early warning system and method for blast furnace gas diffusion - Google Patents
Intelligent monitoring and early warning system and method for blast furnace gas diffusion Download PDFInfo
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- CN114495386A CN114495386A CN202210155699.3A CN202210155699A CN114495386A CN 114495386 A CN114495386 A CN 114495386A CN 202210155699 A CN202210155699 A CN 202210155699A CN 114495386 A CN114495386 A CN 114495386A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 69
- 238000009792 diffusion process Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 claims abstract description 47
- 230000010287 polarization Effects 0.000 claims abstract description 35
- 230000003993 interaction Effects 0.000 claims abstract description 26
- 238000003384 imaging method Methods 0.000 claims abstract description 22
- 238000004364 calculation method Methods 0.000 claims abstract description 21
- 230000000007 visual effect Effects 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims description 14
- 238000012806 monitoring device Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 3
- 238000012549 training Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 239000000779 smoke Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 32
- 239000003034 coal gas Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000001931 thermography Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 231100000719 pollutant Toxicity 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
Abstract
The invention discloses an intelligent blast furnace gas emission monitoring and early warning system and method, which comprises monitoring equipment, a data interaction operation platform, an access terminal and an audible and visual alarm, wherein the monitoring equipment comprises an imaging module and an edge calculation module, the data interaction operation platform comprises a database, a data comparison module and a control signal output module, and the access terminal comprises a mobile terminal and a PC terminal. The blast furnace gas diffusion intelligent monitoring and early warning system and the method realize all-day and all-weather real-time monitoring and intelligent identification of the combustion state of the blast furnace gas diffusion tower, avoid the safety risk of missed detection and false detection, realize whole-course unmanned intelligent monitoring and early warning, improve the production safety and the working efficiency, adopt the infrared polarization camera to acquire the monitoring image of the gas diffusion port, ensure that the monitoring image can not be influenced by severe environments such as smoke, rain, snow, haze and the like, have clearer flame imaging, and further ensure that the monitoring result is more accurate.
Description
Technical Field
The invention relates to the technical field of smoke and fire monitoring, in particular to a blast furnace gas diffusion intelligent monitoring and early warning system and a blast furnace gas diffusion intelligent monitoring and early warning method.
Background
A large amount of coal gas can be generated in the metallurgical production process, if the diffusion combustion treatment is insufficient, environmental pollution and plant area coal gas standard exceeding can be caused, and serious safety production accidents can be caused in serious cases. In order to prevent these pollutants from entering the atmosphere, many industries use waste gas combustion flues to burn off excess waste gas by-products or flammable gases released by pressure relief valves, and to ensure production safety, the combustion state of the flammable gases needs to be monitored at all times.
Currently, the common scheme adopted in the industry is manual monitoring or monitoring of the diffused combustion of blast furnace gas by using an infrared thermal imager. The artifical monitoring can not in time discover to diffuse the tower burning unusual, the easy hourglass phenomenon of examining that appears, infrared thermal imager can judge whether blast furnace gas diffuses the system at normal combustion through the difference in temperature, but only rely on infrared thermal imager to carry out monitoring effect not good, and the image that obtains receives external environment influence easily, thereby cause the monitoring result inaccurate, the phenomenon of misstatement takes place easily, if take place the mistake report when firework burning is improper, can cause the production incident even, consequently need a blast furnace gas to diffuse intelligent monitoring early warning system and method and solve above-mentioned problem urgently.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an intelligent monitoring and early warning system and method for blast furnace gas diffusion, and solves the problems that the monitoring effect is poor, and the acquired image is easily influenced by the external environment, so that the monitoring result is inaccurate and the false alarm is easily caused.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a blast furnace gas diffusion intelligent monitoring early warning system and method comprises monitoring equipment, a data interaction operation platform, an access terminal and an audible and visual alarm;
the monitoring equipment comprises an imaging module, wherein the imaging module comprises an infrared polarization camera and a visible light camera which are respectively used for acquiring an infrared polarization image and a live image of a blast furnace gas diffusion port;
the monitoring equipment also comprises an edge calculation module which is used for identifying and processing the acquired infrared polarization image and the live image and converting the image information into data information;
the data interaction operation platform comprises a database and a data processing module, wherein the database is used for storing a set firework combustion efficiency threshold;
the data interaction operation platform also comprises a data comparison module and a control signal output module, wherein the control signal output module is used for sending out a control instruction according to the identification result;
the access terminal comprises a mobile terminal and a PC terminal and is used for setting a firework combustion rate alarm threshold, checking real-time monitoring and receiving an alarm signal.
Preferably, the output end of the monitoring device is connected with the input end of the data interaction operation platform, the output end of the data interaction operation platform is connected with the input end of the audible and visual alarm, and the data interaction operation platform is in bidirectional connection with the access terminal through a network.
Preferably, the output end of the imaging module is connected with the input end of the edge calculation module, and the output end of the database is connected with the input end of the data comparison module.
The invention also discloses an intelligent monitoring and early warning method for blast furnace gas diffusion, which specifically comprises the following steps:
s1, respectively acquiring an infrared polarization image and a live image of a blast furnace gas diffusion opening in real time by a polarization camera and a visible light camera in the imaging module, and then transmitting the infrared polarization image and the live image to the edge calculation module;
s2, processing the infrared polarization image by the edge calculation module to obtain the flame combustion efficiency at the current moment, and transmitting the flame combustion efficiency value and the live monitoring image to the data interaction operation platform by the monitoring equipment;
s3, the data comparison module compares the flame combustion efficiency threshold value in the database with the acquired flame combustion efficiency value at the current moment, when the firework combustion efficiency is lower than the set threshold value, the abnormal condition of the coal gas combustion at the diffusing port is explained, the data interaction operation platform controls the audible and visual alarm to send out audible and visual alarm, and meanwhile, the audible and visual alarm sends out an early warning signal to the access terminal to inform a worker of processing.
Preferably, the process of identifying and processing the image by the edge calculation module specifically includes the following steps:
t1, converting the infrared polarization image into an HIS color space through the color space, binarizing the original image, preprocessing the image through median filtering and mathematical morphology expansion operation, eliminating some noises and discrete points, and communicating some missed areas;
t2, training a flame recognition model by establishing a large number of flame combustion picture data sets, and recognizing the number of flames and the number of pixels in each flame region of the preprocessed infrared polarization image;
and T3, comparing the current flame area maximum pixel quantity with the current flame area maximum pixel quantity in the early historical flame data set, calculating the current flame combustion efficiency, and outputting the flame combustion number and the corresponding combustion efficiency.
(III) advantageous effects
The invention provides a blast furnace gas diffusion intelligent monitoring and early warning system and a blast furnace gas diffusion intelligent monitoring and early warning method. Compared with the prior art, the method has the following beneficial effects:
(1) according to the intelligent monitoring and early warning system and method for blast furnace gas diffusion, real-time monitoring of a gas diffusion port is acquired, images are processed, follow-up instructions are made according to recognition results, abnormal and timely early warning is found, all-weather real-time monitoring and intelligent recognition of the combustion state of the blast furnace gas diffusion tower are achieved, safety risks of missed detection and false detection are avoided, unmanned intelligent monitoring and early warning in the whole process are achieved, and production safety and working efficiency are improved.
(2) The blast furnace gas diffusion intelligent monitoring and early warning system and the blast furnace gas diffusion intelligent monitoring and early warning method have the advantages that the imaging module adopts the infrared polarization camera to acquire the monitoring image of the gas diffusion port, the monitoring image is not influenced by severe environments such as smoke, rain, snow and haze, the diffusion tower is attended in all weather, the anti-interference capability is high, flame imaging is clear, the monitoring result is accurate, meanwhile, the monitoring picture of the visible light camera can enable human eyes to see the combustion site environment of the blast furnace gas more visually, and the using effect is good.
(3) The blast furnace gas diffusion intelligent monitoring and early warning system and method compare a detection result with a set flame combustion efficiency threshold value, when the flame combustion efficiency is lower than the warning threshold value, an audible and visual alarm on a control site can give an alarm, and meanwhile, an early warning signal is sent to an access terminal, timely and automatic early warning is carried out when abnormality is found, unmanned and intelligent management in the flame combustion monitoring process is realized, an ignition signal can be timely sent out through a control signal output module when abnormality is found, gas leakage is reduced, and the working efficiency is higher.
(4) According to the intelligent monitoring and early warning system and method for blast furnace gas diffusion, the acquired infrared polarization image is processed by arranging the edge calculation module, the flame postures in different environments can be learned in a self-adaptive mode, the state of a torch of a diffusion tower under various conditions can be accurately identified, and the missing report and the false report are avoided.
Drawings
FIG. 1 is a schematic block diagram of the architecture of the system of the present invention;
FIG. 2 is a schematic block diagram of the construction of an imaging module according to the present invention;
FIG. 3 is a flow chart of a method of the present invention;
FIG. 4 is a flow chart of smoke and fire identification detection in the present invention;
fig. 5 is a schematic structural diagram of the present invention.
In the figure, 1 monitoring equipment, 11 imaging module, 111 infrared polarization camera, 112 visible light camera, 12 edge calculation module, 2 data interactive operation platform, 21 database, 22 data comparison module, 23 control signal output module, 3 access terminal, 31 mobile terminal, 32 PC terminal, 4 audible and visual alarm.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: the utility model provides a blast furnace gas intelligent monitoring early warning system that diffuses, adopts the distributed processing mode, has increased marginal calculation module 12 in 11 rear ends of every imaging module, and the firework image that directly gathers imaging device is discerned and is handled, integrates effectually, conveniently lays wire and field installation, including monitoring facilities 1, data interaction operation platform 2, access terminal 3 and audible-visual annunciator 4.
The imaging module 11 comprises an infrared polarization camera 111 and a visible light camera 112, which are respectively used for acquiring an infrared polarization image and a live image of a blast furnace gas diffusion port, the infrared polarization camera 111 is formed by adding a polarization optical filter in front of a traditional thermal imaging camera, so that a polarization thermal imaging channel is formed, the infrared polarization image of a blast furnace diffusion area can be acquired, the influence caused by infrared interference noise can be effectively reduced, the imaging of target flames is clearer, the visible light camera 112 can acquire the live image of a wide-angle blast furnace diffusion area, the real-time viewing of field conditions by workers is facilitated, and the operation and production safety is ensured.
The data interaction operation platform 2 comprises a database 21 for storing a set firework combustion efficiency threshold value, a data comparison module 22 and a control signal output module 23, wherein the control signal output module 23 is used for sending a control instruction according to an identification result, when the system monitors that the temperature of a diffusing port is higher but flame does not exist, the gas is not combusted, and at the moment, the control signal output module 23 sends an ignition signal to external ignition equipment to be re-ignited, so that the gas is prevented from being directly discharged into the air to cause atmosphere pollution.
The access terminal 3 comprises a mobile terminal 31 and a PC terminal 32, and is used for setting a firework combustion rate alarm threshold, checking real-time monitoring and receiving alarm signals.
Referring to fig. 5, the blast furnace gas diffusion intelligent monitoring and early warning system may include a plurality of monitoring devices 1, the specific number of the monitoring devices 1 is determined according to actual combustion monitoring points, one monitoring point may be provided with one monitoring device 1, or a plurality of monitoring devices 1 may be provided, the plurality of monitoring devices 1 implement distributed processing of the monitoring points, which may greatly reduce data processing pressure of the data interaction operation platform 2 (server side), and may satisfy data processing and centralized display of a plurality of monitoring points.
The output end of the monitoring device 1 is connected with the input end of the data interaction operation platform 2, the output end of the data interaction operation platform 2 is connected with the input end of the audible and visual alarm 4, the data interaction operation platform 2 is in bidirectional connection with the access terminal 3 through a network, the output end of the imaging module 11 is connected with the input end of the edge calculation module 12, and the output end of the database 21 is connected with the input end of the data comparison module 22.
A gigabit gateway is further arranged in the monitoring device 1, and therefore integration of a two-channel camera network port into a network port output can be achieved.
Referring to fig. 3, the invention also discloses an intelligent monitoring and early warning method for blast furnace gas emission, which specifically comprises the following steps:
s1, the infrared polarization camera 111 and the visible light camera 112 in the imaging module 11 respectively acquire the infrared polarization image and the live image of the blast furnace gas diffusion port in real time, and then the infrared polarization image and the live image are transmitted to the edge calculation module 12;
s2, the edge calculation module 12 processes the infrared polarization image to obtain the flame combustion efficiency at the current moment, and then the monitoring device 1 transmits the flame combustion efficiency value and the live monitoring image at the current moment to the data interaction operation platform 2;
s3, the data comparison module 22 compares the flame combustion efficiency threshold value in the database 21 with the acquired flame combustion efficiency value at the current moment, when the firework combustion efficiency is lower than the set threshold value, it is indicated that the coal gas at the diffusing port is abnormally combusted, the data interaction operation platform 2 controls the audible and visual alarm 4 to send out audible and visual alarm, and simultaneously sends out an early warning signal to the access terminal 3 to inform a worker of processing.
Referring to fig. 4, the process of identifying and processing the image by the edge calculation module 12 specifically includes the following steps:
t1, converting the infrared polarization image into an HIS color space through the color space, binarizing the original image, preprocessing the image through median filtering and mathematical morphology expansion operation, eliminating some noises and discrete points, and communicating some missed areas;
t2, training a flame recognition model by establishing a flame combustion picture data set, and recognizing the number of flames and the number of pixels in each flame area of the preprocessed infrared polarization image;
and T3, comparing the current flame area maximum pixel quantity with the current flame area maximum pixel quantity in the previous historical flame data set, calculating the current flame combustion efficiency, and outputting the flame combustion number and the corresponding combustion efficiency.
It is to be noted that 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A blast furnace gas diffusion intelligent monitoring and early warning system comprises monitoring equipment (1), a data interaction operation platform (2), an access terminal (3) and a sound-light alarm (4);
the monitoring device (1) comprises an imaging module (11), wherein the imaging module (11) comprises an infrared polarization camera (111) and a visible light camera (112) which are respectively used for acquiring an infrared polarization image and a live image of a blast furnace gas diffusion opening;
the monitoring device (1) further comprises an edge calculation module (12) for identifying and processing the acquired infrared polarization image and the live image, and converting image information into data information;
the data interaction operation platform (2) comprises a database (21) for storing set firework combustion efficiency threshold values;
the data interaction operation platform (2) further comprises a data comparison module (22) and a control signal output module (23), wherein the control signal output module (23) is used for sending out a control instruction according to the identification result;
the access terminal (3) comprises a mobile terminal (31) and a PC terminal (32) and is used for setting a firework combustion rate alarm threshold, checking real-time monitoring and receiving alarm signals.
2. The intelligent blast furnace gas emission monitoring and early warning system according to claim 1, characterized in that: the output end of the monitoring device (1) is connected with the input end of the data interaction operation platform (2), the output end of the data interaction operation platform (2) is connected with the input end of the audible and visual alarm (4), and the data interaction operation platform (2) is in bidirectional connection with the access terminal (3) through a network.
3. The intelligent blast furnace gas emission monitoring and early warning system according to claim 1, characterized in that: the output end of the imaging module (11) is connected with the input end of the edge calculation module (12).
4. The intelligent blast furnace gas emission monitoring and early warning system according to claim 1, characterized in that: the output end of the database (21) is connected with the input end of the data comparison module (22).
5. The blast furnace gas diffusion intelligent monitoring and early warning method is characterized by comprising the following steps of: the method specifically comprises the following steps:
s1, an infrared polarization camera (111) and a visible light camera (112) in the imaging module (11) respectively acquire an infrared polarization image and a live image of a blast furnace gas diffusion opening in real time, and then transmit the infrared polarization image and the live image to the edge calculation module (12);
s2, the edge calculation module (12) processes the infrared polarization image to obtain the flame combustion efficiency at the current moment, and then the monitoring equipment (1) transmits the flame combustion efficiency value and the live monitoring image at the current moment to the data interaction operation platform (2);
s3, the data comparison module (22) compares the flame combustion efficiency threshold value in the database (21) with the acquired flame combustion efficiency value at the current moment, when the firework combustion efficiency is lower than the set threshold value, it is shown that the gas combustion at the diffusing port is abnormal, the data interaction operation platform (2) controls the audible and visual alarm (4) to send out audible and visual alarm, and meanwhile, sends out an early warning signal to the access terminal (3) to inform a worker of processing.
6. The intelligent blast furnace gas emission monitoring and early warning method according to claim 5, characterized in that: the process of identifying and processing the image by the edge calculation module (12) specifically comprises the following steps:
t1, converting the infrared polarization image into an HIS color space through the color space, binarizing the original image, preprocessing the image through median filtering and mathematical morphology expansion operation, eliminating noise and discrete points, and communicating the omitted region;
t2, training a flame recognition model by establishing a large number of flame combustion picture data sets, and recognizing the number of flames and the number of pixels in each flame region of the preprocessed infrared polarization image;
and T3, comparing the current flame area maximum pixel quantity with the current flame area maximum pixel quantity in the previous historical flame data set, calculating the current flame combustion efficiency, and outputting the flame combustion number and the corresponding combustion efficiency.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115369199A (en) * | 2022-08-02 | 2022-11-22 | 南京金桓电子科技有限公司 | Artificial intelligence blast furnace system of patrolling and examining |
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