CN113339777A - Hearth with infrared detection device and coking detection method thereof - Google Patents
Hearth with infrared detection device and coking detection method thereof Download PDFInfo
- Publication number
- CN113339777A CN113339777A CN202110462126.0A CN202110462126A CN113339777A CN 113339777 A CN113339777 A CN 113339777A CN 202110462126 A CN202110462126 A CN 202110462126A CN 113339777 A CN113339777 A CN 113339777A
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- detection device
- infrared
- infrared detection
- hearth
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/38—Determining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers
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- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention provides a hearth with an infrared detection device and a coking detection method thereof, wherein a plurality of burners are arranged in the hearth, the burners are uniformly distributed along the height direction of the inner wall of the hearth, the infrared detection device is fixedly arranged on one side of each burner, the infrared detection devices and the burners are arranged in a one-to-one correspondence mode, the infrared detection devices are used for emitting infrared rays and receiving infrared rays, and the infrared detection devices are arranged in a matrix mode.
Description
Technical Field
The invention belongs to the technical field of hearth coking detection, and particularly relates to a hearth with an infrared detection device and a coking detection method thereof.
Background
At present, coking detection of a power station boiler mainly comprises two types, one type is carried out on-site visual observation through a fire observation hole arranged on a boiler wall, but the method has higher requirements on experience of personnel, and meanwhile, if a hearth is under a positive pressure or micro-positive pressure working condition, high-temperature flame in the hearth is sprayed out, so that burning and scalding are easy to occur, and great potential safety hazards are caused. The other method is to perform visual observation through a boiler flame detection television picture, but the method only can observe the coking condition around the fire detection device, cannot comprehensively master the overall coking condition of the hearth, and has poor representativeness.
Disclosure of Invention
The invention provides a hearth with an infrared detection device and a coking detection method thereof, which can improve the observation of the overall coking condition of the hearth.
The technical scheme of the invention is realized as follows: the utility model provides a furnace with infrared detection device, is provided with a plurality of combustors in this furnace, and the setting is equallyd divide to the direction of height of combustor inner wall, and one side of combustor is fixed and is provided with infrared detection device, and infrared detection device and combustor one-to-one set up, and infrared detection device is used for transmitting infrared ray and receiving infrared ray, and infrared detection device is the matrix and arranges the setting.
A detection method for furnace coking with an infrared detection device comprises the following steps:
step 3, the infrared detection device sends an infrared signal C towards the infrared detection device on the corresponding oblique side of the matrix type, and after receiving the infrared signal C, the infrared detection device on the corresponding oblique side transmits the traveling time C for receiving the infrared signal C to a PLC system which is arranged on the outer side of the hearth and is electrically connected with the infrared detection device;
and 4, the PLC system carries out statistical analysis on paths and traveling time of the infrared rays transmitted and received by different infrared detection devices, comprehensively monitors the shape of the space of the boiler hearth and finds the coking condition of the hearth in time.
Therefore, the invention has the following advantages:
1. the invention can manually adjust the infrared emission frequency, and complete the time reservation and even real-time monitoring of the coking condition in the boiler furnace according to the requirement.
2. The invention can realize the shape monitoring of the full coverage of the inner part of the boiler furnace and realize the comprehensive coking monitoring through the matrix combination and the numerical simulation of the infrared device.
3. The invention can digitally store the detection result of the hearth shape, is convenient for tracing historical data and analyzing big data.
4. The invention greatly reduces the labor intensity of personnel and improves the safety of monitoring the coking condition of the hearth.
5. The invention has strong expansibility, can be applied to other various boilers of non-power station pulverized coal furnaces, and can realize effective and comprehensive monitoring on other parameters such as a temperature field in a boiler furnace and the like by adding a software algorithm.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a top view of a front and rear wall opposed boiler furnace;
FIG. 2 is a front view of a front and rear wall opposed-fired boiler furnace;
FIG. 3 is a top view of a furnace of a tangential boiler with four corners;
FIG. 4 is a front view of a four corner tangential boiler furnace.
In the figure, 1-infrared detection means; 2-a burner.
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.
According to shown in fig. 1-4, a furnace with infrared detection device is provided with a plurality of combustors 2 in this furnace, and the setting is equallyd divide along the direction of height of furnace inner wall to combustor 2, and the fixed infrared detection device 1 that is provided with in one side of combustor 2, infrared detection device 1 and the setting of combustor 2 one-to-one, infrared detection device 1 are used for the transmission infrared ray and receive the infrared ray, and infrared detection device 1 is the matrix and arranges the setting.
A detection method for furnace coking with an infrared detection device 1 comprises the following steps:
step 3, the infrared detection device 1 sends an infrared signal C to the infrared detection device 1 on the corresponding oblique side of the matrix type, and after receiving the infrared signal C, the infrared detection device 1 on the corresponding oblique side transmits the traveling time C for receiving the infrared signal C to a PLC system which is arranged on the outer side of the hearth and is electrically connected with the infrared detection device 1;
and 4, the PLC system carries out statistical analysis on paths and traveling time of the infrared rays transmitted and received by the different infrared detection devices 1, comprehensively monitors the shape of the space of the boiler hearth and finds the coking condition of the hearth in time.
Therefore, the invention has the following advantages:
1. the invention can manually adjust the infrared emission frequency, and complete the time reservation and even real-time monitoring of the coking condition in the boiler furnace according to the requirement.
2. The invention can realize the shape monitoring of the full coverage of the inner part of the boiler furnace and realize the comprehensive coking monitoring through the matrix combination and the numerical simulation of the infrared device.
3. The invention can digitally store the detection result of the hearth shape, is convenient for tracing historical data and analyzing big data.
4. The invention greatly reduces the labor intensity of personnel and improves the safety of monitoring the coking condition of the hearth.
5. The invention has strong expansibility, can be applied to other various boilers of non-power station pulverized coal furnaces, and can realize effective and comprehensive monitoring on other parameters such as a temperature field in a boiler furnace and the like by adding a software algorithm.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a furnace with infrared detection device, its characterized in that is provided with a plurality of combustors in this furnace, the setting is equallyd divide along the direction of height of furnace inner wall to the combustor, the fixed infrared detection device that is provided with in one side of combustor, infrared detection device and combustor one-to-one set up, infrared detection device is used for transmitting infrared ray and receiving infrared ray, infrared detection device is the matrix and arranges the setting.
2. A detection method for furnace coking with an infrared detection device is characterized by comprising the following steps:
step 1, the infrared detection device sends an infrared signal A to an adjacent infrared detection device, and after the adjacent infrared detection device receives the infrared signal A, the travel time A used for receiving the infrared signal A is transmitted to a PLC system which is arranged outside a hearth and is electrically connected with the infrared detection device;
step 2, the infrared detection device sends an infrared signal B to the infrared detection device on the opposite side corresponding to the matrix type of the infrared detection device, and after the infrared detection device on the opposite side receives the infrared signal B, the travel time B used for receiving the infrared signal B is transmitted to a PLC system which is arranged on the outer side of the hearth and is electrically connected with the infrared detection device;
step 3, the infrared detection device sends an infrared signal C towards the infrared detection device on the corresponding oblique side of the matrix type, and after receiving the infrared signal C, the infrared detection device on the corresponding oblique side transmits the traveling time C for receiving the infrared signal C to a PLC system which is arranged on the outer side of the hearth and is electrically connected with the infrared detection device;
and 4, the PLC system carries out statistical analysis on paths and traveling time of the infrared rays transmitted and received by different infrared detection devices, comprehensively monitors the shape of the space of the boiler hearth and finds the coking condition of the hearth in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110462126.0A CN113339777A (en) | 2021-04-27 | 2021-04-27 | Hearth with infrared detection device and coking detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110462126.0A CN113339777A (en) | 2021-04-27 | 2021-04-27 | Hearth with infrared detection device and coking detection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113339777A true CN113339777A (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110462126.0A Pending CN113339777A (en) | 2021-04-27 | 2021-04-27 | Hearth with infrared detection device and coking detection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960035A (en) * | 2021-09-29 | 2022-01-21 | 北京科林佰德环保有限公司 | Hearth detection equipment and hearth detection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4903009A (en) * | 1988-05-18 | 1990-02-20 | Eastman Kodak Company | Intrusion detection device |
| JPH07325162A (en) * | 1994-06-01 | 1995-12-12 | Sekisui Jushi Co Ltd | Snowfall detector |
| JP2004137416A (en) * | 2002-10-21 | 2004-05-13 | Nippon Steel Corp | Method and apparatus for detecting coking of wall surface of carbonization chamber in coke oven |
| CN102322960A (en) * | 2011-08-11 | 2012-01-18 | 刘建松 | A kind of infrared thermometry device and set up the method in coal-burning boiler temperature field |
| US20170343666A1 (en) * | 2016-04-15 | 2017-11-30 | Alessandro Manneschi | Detector of unauthorised objects or materials concealed in a shoe |
-
2021
- 2021-04-27 CN CN202110462126.0A patent/CN113339777A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4903009A (en) * | 1988-05-18 | 1990-02-20 | Eastman Kodak Company | Intrusion detection device |
| JPH07325162A (en) * | 1994-06-01 | 1995-12-12 | Sekisui Jushi Co Ltd | Snowfall detector |
| JP2004137416A (en) * | 2002-10-21 | 2004-05-13 | Nippon Steel Corp | Method and apparatus for detecting coking of wall surface of carbonization chamber in coke oven |
| CN102322960A (en) * | 2011-08-11 | 2012-01-18 | 刘建松 | A kind of infrared thermometry device and set up the method in coal-burning boiler temperature field |
| US20170343666A1 (en) * | 2016-04-15 | 2017-11-30 | Alessandro Manneschi | Detector of unauthorised objects or materials concealed in a shoe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960035A (en) * | 2021-09-29 | 2022-01-21 | 北京科林佰德环保有限公司 | Hearth detection equipment and hearth detection method |
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Application publication date: 20210903 |
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