CN214299984U - Coking furnace flame path flame on-line monitoring system - Google Patents
Coking furnace flame path flame on-line monitoring system Download PDFInfo
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- CN214299984U CN214299984U CN202022671628.8U CN202022671628U CN214299984U CN 214299984 U CN214299984 U CN 214299984U CN 202022671628 U CN202022671628 U CN 202022671628U CN 214299984 U CN214299984 U CN 214299984U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 39
- 238000004939 coking Methods 0.000 title claims abstract description 26
- 239000013307 optical fiber Substances 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims abstract description 4
- 239000000571 coke Substances 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 14
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000011896 sensitive detection Methods 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Control Of Combustion (AREA)
Abstract
The utility model discloses a coking furnace flame path flame on-line monitoring system, which is characterized in that the coking furnace flame path flame on-line monitoring system comprises a field end and a central control room end, wherein the field end comprises a flame path detection unit and a local control box, the flame path detection unit comprises a video monitoring module arranged in a furnace wall observation hole, and the central control room end comprises a control cabinet, an operation table and a display large screen; the video monitoring module is internally provided with a camera and a photosensitive Hall element, the local control box is internally provided with a PLC component module, a power supply module, a network module and an optical fiber module, the network module and the optical fiber module are used for communication, and the video monitoring module and the photosensitive Hall element are mutually communicated with the control cabinet through the PLC component module. The Hall element is adopted to replace manual observation, and the device has sensitive detection capability on ultraviolet light generated by flame combustion; combining with video analysis, triggering image alarm on a fire path in which combustion occurs in real time, and recording video to realize event traceability and query; and the PLC is used for controlling the air valve to close the air inlet in real time to prevent combustion, so that the safety is ensured.
Description
Technical Field
The utility model provides a coking furnace flame path flame monitoring technology, specific coking furnace flame path flame on-line monitoring system that says so.
Background
With the development of the coal coking industry in China, the coal coking industry becomes an indispensable part in the national industrial process, and meanwhile, in combination with the national environmental protection requirements, the traditional coking furnaces with the energy production of less than 5 million tons gradually get rid of, and at present, the newly built coking furnaces in China start to be 20 million tons.
Coal coking is taken as an important link in coal deep processing, a manual observation fire way hole is adopted in the coking furnace at present, whether a mixing chamber in the furnace burns or not is judged according to experience, and the manual observation fire way hole has the following defects: the requirements on the experience of technicians are high; the manual inspection has potential safety hazards, firstly, the temperature of an observation platform is high, and in addition, the observation area is a gas area, so that the possibility of gas leakage exists; from the problem found by technicians to the solution of the feedback control chamber, time is needed, and in an extreme state, if gas is ignited and explodes, casualties are easily caused.
Based on this, the utility model discloses a coking furnace flame way flame on-line monitoring system.
SUMMERY OF THE UTILITY MODEL
The method aims to comprehensively solve the problems that the manual observation flame path hole has the following defects: the requirements on the experience of technicians are high; the manual inspection has potential safety hazards, firstly, the temperature of an observation platform is high, and in addition, the observation area is a gas area, so that the possibility of gas leakage exists; from technical staff discovery problem to the feedback control room solution needs time, under extreme state, if coal gas has been lighted and has exploded, causes current problems such as casualties easily, the utility model provides a coking furnace flame way flame on-line monitoring system.
In order to achieve the above object, the utility model adopts the following technical means:
the on-line monitoring system for the flame of the flame path of the coking furnace is characterized by comprising a field end and a central control room end, wherein the field end comprises a flame path detection unit and a local control box;
the video monitoring module is internally provided with a camera and a photosensitive Hall element, the local control box is internally provided with a PLC component module, a power supply module, a network module and an optical fiber module, the network module and the optical fiber module are used for communication, and the video monitoring module and the photosensitive Hall element are mutually communicated with the control cabinet through the PLC component module.
As further explained, the camera adopts an explosion-proof high-temperature resistant assembly, has strong high temperature resistance and long service life, and can normally work under severe temperature conditions.
As a further explanation, the PLC module is further used to control the opening and closing operations of the air valve of the coke oven, so as to control the valve in time, adjust and control the combustion state of the coke oven, and prevent accidents.
As further explained, the operating platform is provided with a configuration human-machine module and a monitoring operation module, so that the monitoring control of the combustion condition of the coke oven can be conveniently carried out among operators in the control room.
As a further description, the control cabinet is provided with an optical fiber module, a network module, a video server, an application server, a decoding server, and a power distribution unit.
As further explained, the camera is a digital camera, and the digital camera and the photosensitive hall element are electrically connected with each other, so that the digital camera and the photosensitive hall element can work cooperatively and provide working efficiency.
The utility model discloses coking furnace flame path flame on-line monitoring system's beneficial effect:
1. the utility model adopts the Hall element to replace the artificial naked eye to observe the flame, and the Hall element has extremely sensitive detection capability to the ultraviolet light generated by the flame combustion;
2. the utility model combines the video analysis technology, triggers image alarm in real time for the fire path where burning occurs, records the video and realizes event traceability and enquiry;
3. the utility model can control the air valve to close the air inlet in real time to prevent combustion by combining the PLC control component, thereby ensuring absolute safety;
4. the system can replace manual inspection, reduce labor cost, improve monitoring efficiency through real-time monitoring, facilitate finding problems in time and greatly reduce the probability of personal injury of personnel; the gas leakage-proof linkage pipeline valve is not influenced by environmental factors such as overhigh temperature and gas leakage, has an explosion-proof function, and can immediately close an air inlet when being ignited in a flame path, prevent combustion and reduce accidents caused by delayed operation.
Drawings
FIG. 1 is a schematic view of the overall framework of an on-line monitoring system for the flame of a flue of a coke oven;
FIG. 2 is a schematic view of the installation state of the on-line monitoring system for the flame of the flue of the coke oven of the utility model;
FIG. 3 is a schematic diagram of the circuit connection structure of the photosensitive Hall element and the camera of the flame on-line monitoring system of the coke oven flue.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in the figures 1-2 of the drawings,
the on-line monitoring system for the flame of the flame path of the coking furnace is characterized by comprising a field end and a central control room end, wherein the field end comprises a flame path detection unit and a local control box;
the video monitoring module is internally provided with a camera and a photosensitive Hall element, the local control box is internally provided with a PLC component module, a power supply module, a network module and an optical fiber module, the network module and the optical fiber module are used for communication, and the video monitoring module and the photosensitive Hall element are mutually communicated with the control cabinet through the PLC component module.
The camera adopts an explosion-proof high-temperature-resistant assembly, is strong in high temperature resistance and long in service life, and can normally work under severe temperature conditions. The PLC component module is also used for controlling the opening and closing operations of an air valve of the coking furnace, so that the valve can be conveniently and timely controlled, the combustion state of the coking furnace can be adjusted and controlled, and accidents can be prevented. The operating platform is provided with a configuration man-machine module and a monitoring operation module, so that the combustion condition of the coking furnace can be conveniently monitored and controlled among operators in the control room. The control cabinet is internally provided with an optical fiber module, a network module, a video server, an application server, a decoding server and a power distribution unit. The camera adopts a digital camera, and the digital camera and the photosensitive Hall element are mutually electrically connected, so that the cooperative work is facilitated, and the working efficiency is improved.
The utility model adopts the Hall element to replace the artificial naked eye to observe the flame, and the Hall element has extremely sensitive detection capability to the ultraviolet light generated by the flame combustion; the utility model combines the video analysis technology, triggers image alarm in real time for the fire path where burning occurs, records the video and realizes event traceability and enquiry; the utility model can control the air valve to close the air inlet in real time to prevent combustion by combining the PLC control component, thereby ensuring absolute safety; the system can replace manual inspection, reduce labor cost, improve monitoring efficiency through real-time monitoring, facilitate finding problems in time and greatly reduce the probability of personal injury of personnel; the gas leakage-proof linkage pipeline valve is not influenced by environmental factors such as overhigh temperature and gas leakage, has an explosion-proof function, and can immediately close an air inlet when being ignited in a flame path, prevent combustion and reduce accidents caused by delayed operation.
When the device is used, when the flame detection unit detects that open fire is generated in a furnace, a signal is sent to the PLC system, the system gives an alarm to the central control room application server, the video server extracts the point position of the alarm and sends an instruction to the decoding server, a channel generating the open fire is displayed on a large screen in a full screen mode, and the device can be manually closed after confirmation of field workers. All channels can be superposed with the information of the channel, and specific observation holes can be clearly seen on a configuration interface, so that personnel in a control room can quickly find the corresponding channel. The PLC device triggers the switch to control the air valve to close. As shown in fig. 3, when a flame is generated, ultraviolet light emitted by the flame is monitored by the photosensitive hall element, namely, the control panel of the fire detection unit is triggered, the switching value output is triggered, and meanwhile, the digital camera transmits a real-time image to a large screen of a rear-end central control room.
The system can replace manual inspection, reduce labor cost, improve monitoring efficiency through real-time monitoring, facilitate finding problems in time and greatly reduce the probability of personal injury of personnel; the gas leakage-proof linkage pipeline valve is not influenced by environmental factors such as overhigh temperature and gas leakage, has an explosion-proof function, and can immediately close an air inlet when being ignited in a flame path, prevent combustion and reduce accidents caused by delayed operation.
The present invention is illustrated by way of example and not by way of limitation. It will be apparent to those skilled in the art that other variations and modifications of the present invention can be made in light of the above teachings, and it is not necessary or necessary to exhaustively enumerate all embodiments herein, and it is intended that all such obvious variations and modifications are within the scope of the present invention.
Claims (6)
1. The on-line monitoring system for the flame of the flame path of the coking furnace is characterized by comprising a field end and a central control room end, wherein the field end comprises a flame path detection unit and a local control box;
the video monitoring module is internally provided with a camera and a photosensitive Hall element, the local control box is internally provided with a PLC component module, a power supply module, a network module and an optical fiber module, the network module and the optical fiber module are used for communication, and the video monitoring module and the photosensitive Hall element are mutually communicated with the control cabinet through the PLC component module.
2. The on-line monitoring system for the flame of the fire channel of the coking furnace as claimed in claim 1, wherein the camera adopts an explosion-proof high-temperature resistant component.
3. The on-line monitoring system for the flame of the fire channel of the coking furnace as claimed in claim 1, wherein the PLC component module is also used for controlling the opening and closing operations of an air valve of the coking furnace.
4. The on-line monitoring system for the flame of the fire channel of the coking furnace as claimed in claim 1, wherein a configuration man-machine module and a monitoring operation module are arranged on the operation platform.
5. The on-line monitoring system for the flame of the coke oven flue of claim 1, wherein the control cabinet is provided with a fiber module, a network module, a video server, an application server, a decoding server and a power distribution unit.
6. The on-line monitoring system for the flame of the fire channel of the coking furnace as claimed in claim 1, wherein the camera is a digital camera, and the digital camera is electrically connected with the photosensitive Hall element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022671628.8U CN214299984U (en) | 2020-11-18 | 2020-11-18 | Coking furnace flame path flame on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022671628.8U CN214299984U (en) | 2020-11-18 | 2020-11-18 | Coking furnace flame path flame on-line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214299984U true CN214299984U (en) | 2021-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022671628.8U Expired - Fee Related CN214299984U (en) | 2020-11-18 | 2020-11-18 | Coking furnace flame path flame on-line monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214299984U (en) |
-
2020
- 2020-11-18 CN CN202022671628.8U patent/CN214299984U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210928 |