CN114877827B - Method and device for determining opening degree of baffle plate in thermal power plant - Google Patents
Method and device for determining opening degree of baffle plate in thermal power plant Download PDFInfo
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- CN114877827B CN114877827B CN202210482503.1A CN202210482503A CN114877827B CN 114877827 B CN114877827 B CN 114877827B CN 202210482503 A CN202210482503 A CN 202210482503A CN 114877827 B CN114877827 B CN 114877827B
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000000523 sample Substances 0.000 claims description 29
- 238000004590 computer program Methods 0.000 claims description 14
- 238000010977 unit operation Methods 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 10
- 238000004891 communication Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 239000000872 buffer Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000007822 coupling agent Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
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- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
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Abstract
The invention provides a method and a device for determining the opening degree of a baffle in a thermal power plant, wherein the method comprises the following steps: acquiring the width of a baffle blade of a boiler, and respectively acquiring distance values of two ends of the baffle blade from a reference surface of an airflow channel by using a range finder; and determining the angle of the baffle blade according to the width of the baffle blade and the distance value between the two ends of the baffle blade and the reference surface of the airflow channel, and taking the angle of the baffle blade as the opening of the baffle in the thermal power plant. The invention ensures that the angle displayed in the unit operation picture is consistent with the actual angle of the blade, and the problems of reducing the unit operation efficiency and stability such as secondary air volume deviation, flame center deflection and the like are avoided to the greatest extent, so that an operator can better know and control the unit operation, and the economic efficiency is improved.
Description
Technical Field
The invention relates to the technical field of baffle control in a thermal power plant, in particular to a method and a device for determining the opening degree of a baffle in a thermal power plant.
Background
In a thermal power plant, a damper (air door) is an indispensable component, of which horizontal and vertical dampers are most used. In the installation and debugging site or the unit operation, the opening of the baffle is required to be consistent with the display of the operation picture of the computer terminal unit. However, after the unit operates for a period of time, some baffles are inevitably inconsistent with the display of the computer end unit operation picture due to the reasons of thermal expansion and contraction, scouring and corrosion of media and the like, so that regular checking and maintenance are needed. The checking method is that an operator usually faces a machine set running picture, another person is on site, the actual angle of the blade is adjusted to be consistent with the picture display through the cooperation of the operator and the machine set running picture, and the angle of the blade of the baffle is usually obtained by visual inspection of the on-site personnel. However, unlike the horizontal baffle, the flow section where some vertical baffles are located is very narrow, the eyes are not clear, and the measuring tool cannot be contacted, so that the opening of the vertical baffle cannot be accurately displayed on a computer, and the poor regulation characteristic of the unit is caused, and even serious consequences are caused.
The prior art can calculate the opening degree which each layer of air door baffle plate of the coal gas mixed combustion boiler should reach, and can not determine whether the opening degree which needs to be reached is identical with the actual opening degree of the baffle plate. In the checking process of the opening of the vertical baffle, the actual angle of the blade is inaccurate in visual measurement, a measuring tool cannot contact the blade, and the opening of the vertical baffle cannot be quantitatively measured.
Disclosure of Invention
Aiming at the problems existing in the prior art, the main purpose of the embodiment of the invention is to provide a method and a device for determining the opening degree of a baffle in a thermal power plant, which can accurately determine the angle of a blade of the baffle so as to ensure that the angle displayed in a unit running picture is consistent with the actual angle of the blade.
In order to achieve the above object, an embodiment of the present invention provides a method for determining a baffle opening in a thermal power plant, the method including:
acquiring the width of a baffle blade of a boiler, and respectively acquiring distance values of two ends of the baffle blade from a reference surface of an airflow channel by using a range finder;
and determining the angle of the baffle blade according to the width of the baffle blade and the distance value between the two ends of the baffle blade and the reference surface of the airflow channel, and taking the angle of the baffle blade as the opening of the baffle in the thermal power plant.
Optionally, in an embodiment of the present invention, using a range finder to respectively obtain distance values of two ends of the baffle blade from a reference plane of the airflow channel includes: and respectively acquiring distance values of endpoints at two ends of the baffle blade from the reference surface of the airflow channel by using a laser range finder.
Optionally, in an embodiment of the present invention, using a range finder to obtain distance values between two ends of the baffle blade and a reference plane of the airflow channel, respectively further includes: and respectively acquiring distance values of symmetrical preset positions at two ends of the baffle blade from the reference surface of the airflow channel by using an ultrasonic range finder.
Optionally, in an embodiment of the present invention, determining the angle of the baffle blade according to the width of the baffle blade and the distance value between the two ends of the baffle blade and the reference plane of the airflow channel includes:
determining the difference value between the distance values corresponding to the two ends of the baffle blade respectively according to the distance values of the two ends of the baffle blade from the reference surface of the airflow channel;
and determining the angle of the baffle blade according to the width and the difference value of the baffle blade.
The embodiment of the invention also provides a device for determining the opening degree of the baffle in the thermal power plant, which comprises the following steps:
the data acquisition module is used for acquiring the width of the baffle blade of the boiler and respectively acquiring the distance values of the two ends of the baffle blade from the reference surface of the airflow channel by using the range finder;
and the baffle opening module is used for determining the baffle blade angle according to the width of the baffle blade and the distance value between the two ends of the baffle blade and the reference surface of the airflow channel, and taking the baffle blade angle as the baffle opening in the thermal power plant.
Optionally, in an embodiment of the present invention, the data acquisition module is further configured to: and respectively acquiring distance values of endpoints at two ends of the baffle blade from the reference surface of the airflow channel by using a laser range finder.
Optionally, in an embodiment of the present invention, the data acquisition module is further configured to: and respectively acquiring distance values of symmetrical preset positions at two ends of the baffle blade from the reference surface of the airflow channel by using an ultrasonic range finder.
Optionally, in an embodiment of the present invention, the baffle opening module includes:
the distance difference unit is used for determining the difference between the distance values corresponding to the two ends of the baffle blade respectively according to the distance values of the two ends of the baffle blade from the air flow channel reference surface;
and the blade angle unit is used for determining the blade angle of the plate according to the width of the baffle blade and the difference value.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the above method when executing the program.
The present invention also provides a computer readable storage medium storing a computer program for executing the above method.
The invention ensures that the angle displayed in the unit operation picture is consistent with the actual angle of the blade, and the problems of reducing the unit operation efficiency and stability such as secondary air volume deviation, flame center deflection and the like are avoided to the greatest extent, so that an operator can better know and control the unit operation, and the economic efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for determining the opening of a baffle in a thermal power plant according to an embodiment of the invention;
FIG. 2 is a flow chart of determining baffle blade angle in an embodiment of the present invention;
FIG. 3 is a schematic diagram of laser ranging positioning according to an embodiment of the present invention;
FIG. 4 is a schematic view of ultrasonic ranging and positioning according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a baffle opening determining device in a thermal power plant according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a baffle opening module according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the invention.
Detailed Description
The embodiment of the invention provides a method and a device for determining the opening degree of a baffle in a thermal power plant.
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.
Fig. 1 is a flowchart of a method for determining a baffle opening in a thermal power plant according to an embodiment of the present invention, where an execution subject of the method for determining a baffle opening in a thermal power plant according to an embodiment of the present invention includes, but is not limited to, a computer. The method shown in the figure comprises the following steps:
step S1, acquiring the width of a baffle blade of a boiler, and respectively acquiring distance values of two ends of the baffle blade from a reference surface of an airflow channel by using a range finder;
and S2, determining the angle of the baffle blade according to the width of the baffle blade and the distance value between the two ends of the baffle blade and the reference surface of the airflow channel, and taking the angle of the baffle blade as the opening of the baffle in the thermal power plant.
The baffle is installed in an air duct or a flue in a thermal power plant and is used for intercepting air or smoke, the opening and closing angle of the baffle is usually from 0 degrees to 90 degrees, and the air or smoke quantity is controlled by adjusting the opening of the baffle. The angle of the baffle plate refers to the included angle between the baffle plate and the air flow direction.
As one embodiment of the present invention, using a range finder to respectively obtain distance values of both ends of a baffle blade from a reference plane of an airflow channel includes: and respectively acquiring distance values of endpoints at two ends of the baffle blade from the reference surface of the airflow channel by using a laser range finder.
As an embodiment of the present invention, using a range finder to obtain distance values from the two ends of the baffle blade to the reference plane of the airflow channel, respectively, further includes: and respectively acquiring distance values of symmetrical preset positions at two ends of the baffle blade from the reference surface of the airflow channel by using an ultrasonic range finder.
As an embodiment of the present invention, as shown in fig. 2, determining the angle of the baffle blade according to the width of the baffle blade and the distance value between the two ends of the baffle blade and the reference plane of the airflow channel includes:
step S21, determining the difference value between the distance values corresponding to the two ends of the baffle blade respectively according to the distance values of the two ends of the baffle blade from the reference surface of the airflow channel;
step S22, determining the angle of the baffle blade according to the width of the baffle blade and the difference value.
Wherein, when the baffle blade can be observed, the positioning is performed by using a laser range finder. Specifically, the laser range finder is arranged on a reference plane perpendicular to the axial direction of the airflow channel, and the reference plane can be directly contacted by the laser range finder and is in the optimal measuring distance range of the laser range finder. And obtaining the width of the blade according to the design data, and respectively measuring the distance from the two ends of the blade to the reference surface by the laser range finder. And calculating the difference value between the distances from the two ends of the blade to the reference surface, further calculating the ratio of the difference value to the width of the blade, and determining the angle of the baffle blade according to the obtained ratio, namely the opening of the baffle in the thermal power plant.
Further, when the baffle blades cannot be directly observed, an ultrasonic range finder is used for positioning. Specifically, the ultrasonic probe is arranged on the end face of the airflow channel, and the connecting line of two measuring positions of the probe is vertical to the rotating shaft of the blade. And determining that the ultrasonic probes are symmetrically distributed on two sides of the rotating shaft, smearing a couplant between the ultrasonic transceiver integrated probe and the end face, connecting the probe to a first measuring position of the end face, and measuring a first distance from the blade to the reference surface. The probe is also connected to a second measurement location, and a second distance of the blade from the datum plane is measured. And calculating the difference value between the distances from the two ends of the blade to the reference surface, calculating the ratio between the distance between the ultrasonic probes and the difference value, and determining the angle of the baffle blade according to the obtained ratio, namely the opening of the baffle in the thermal power plant.
In one embodiment of the present invention, as shown in fig. 3, when the baffle blade can be observed, the positioning is performed by a laser ranging method, which comprises the following steps:
1) The laser distance measuring instrument 2 is arranged on a reference surface which is perpendicular to the axial direction of the air flow channel 1, and the reference surface can be directly contacted by the laser distance measuring instrument and is in the optimal measuring distance range of the laser distance measuring instrument.
2) The blade width b is found based on the design data.
3) The laser range finders respectively measure the distance s between the two ends of the blade and the reference plane 1 Sum s 2 。
4) Calculating a blade angle alpha:
in this embodiment, as shown in fig. 4, when the baffle blade cannot be directly observed, the positioning is performed by using an ultrasonic ranging method, and the specific process is as follows:
1) The ultrasonic probe 3 is arranged on the end face of the airflow channel 1, and the connecting line of two measuring positions of the probe is vertical to the rotating shaft of the blade.
2) The ultrasonic probes are determined to be symmetrically distributed on two sides of the rotating shaft, and the distance a between the ultrasonic probes and the rotating shaft is required to be satisfiedWherein alpha is p The estimated blade angle is marked according to the site.
3) Smearing coupling agent between the ultrasonic wave receiving and transmitting integrated probe and the end surface to connect the probe to the first measuring position of the end surface, and measuring the distance s between the blade and the reference surface 1 。
4) The probe is also connected to a second measuring position, and the distance s between the blade and the reference surface is measured 2 。
5) Calculating a blade angle alpha:
in this embodiment, for example, a numerical baffle is disposed in the axial air inlet duct of the burner, and when the blade can be observed, the laser rangefinder is used for positioning, and the procedure is as follows:
1) The laser range finder is arranged on a reference plane perpendicular to the axial direction of the airflow channel, and the reference plane can be directly contacted by the laser range finder and is in the optimal measuring distance range of the laser range finder.
2) And detecting the width of the blade to 20cm according to design data.
3) The distance from the two ends of the blade to the reference surface is 30cm and 20cm respectively measured by the laser range finder.
4) Calculating blade angle
Wherein, when vertical baffle blade can't be directly observed, adopt ultrasonic ranging appearance to fix a position, the process is as follows:
1) The ultrasonic probe is arranged on the end face of the airflow channel, and the connecting line of two measuring positions of the probe is vertical to the rotating shaft of the blade.
2) The ultrasonic probes are determined to be symmetrically distributed on two sides of the rotating shaft, and the distance a between the ultrasonic probes and the rotating shaft is 10cm, so that the requirement is met
3) And smearing a coupling agent between the ultrasonic wave receiving and transmitting integrated probe and the end surface, connecting the probe to a first measuring position of the end surface, and measuring the distance from the blade to the reference surface by 40cm.
4) The probe was also connected to a second measurement location and the blade to datum distance was measured to 30cm.
5) Calculating blade angle
The invention ensures that the angle displayed in the unit operation picture is consistent with the actual angle of the blade, and the problems of reducing the unit operation efficiency and stability such as secondary air volume deviation, flame center deflection and the like are avoided to the greatest extent, so that an operator can better know and control the unit operation, and the economic efficiency is improved.
Fig. 5 is a schematic structural diagram of a baffle opening determining device in a thermal power plant according to an embodiment of the present invention, where the device includes:
the data acquisition module 10 is used for acquiring the width of the baffle blade of the boiler and respectively acquiring the distance values of the two ends of the baffle blade from the reference surface of the airflow channel by using a range finder;
the baffle opening module 20 is configured to determine a baffle blade angle according to a baffle blade width and a distance value between two ends of the baffle blade and a reference plane of the airflow channel, and take the baffle blade angle as a baffle opening in the thermal power plant.
As an embodiment of the present invention, the data acquisition module 10 is further configured to: and respectively acquiring distance values of endpoints at two ends of the baffle blade from the reference surface of the airflow channel by using a laser range finder.
As an embodiment of the present invention, the data acquisition module 10 is further configured to: and respectively acquiring distance values of symmetrical preset positions at two ends of the baffle blade from the reference surface of the airflow channel by using an ultrasonic range finder.
As an embodiment of the present invention, as shown in fig. 6, the shutter opening module 20 includes:
a distance difference unit 21, configured to determine a difference between the distance values corresponding to the two ends of the baffle blade respectively according to the distance values of the two ends of the baffle blade from the reference plane of the airflow channel;
and a blade angle unit 22 for determining the baffle blade angle according to the baffle blade width and the difference.
The invention also provides a baffle opening determining device in the thermal power plant based on the same application conception as the baffle opening determining method in the thermal power plant. Because the principle of solving the problem of the baffle opening degree determining device in the thermal power plant is similar to that of the baffle opening degree determining method in the thermal power plant, the implementation of the baffle opening degree determining device in the thermal power plant can be referred to the implementation of the baffle opening degree determining method in the thermal power plant, and repeated parts are omitted.
The invention ensures that the angle displayed in the unit operation picture is consistent with the actual angle of the blade, and the problems of reducing the unit operation efficiency and stability such as secondary air volume deviation, flame center deflection and the like are avoided to the greatest extent, so that an operator can better know and control the unit operation, and the economic efficiency is improved.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the above method when executing the program.
The present invention also provides a computer readable storage medium storing a computer program for executing the above method.
As shown in fig. 7, the electronic device 600 may further include: a communication module 110, an input unit 120, an audio processing unit 130, a display 160, a power supply 170. It is noted that the electronic device 600 need not include all of the components shown in fig. 7; in addition, the electronic device 600 may further include components not shown in fig. 7, to which reference is made to the related art.
As shown in fig. 7, the central processor 100, sometimes also referred to as a controller or operational control, may include a microprocessor or other processor device and/or logic device, which central processor 100 receives inputs and controls the operation of the various components of the electronic device 600.
The memory 140 may be, for example, one or more of a buffer, a flash memory, a hard drive, a removable media, a volatile memory, a non-volatile memory, or other suitable device. The information about failure may be stored, and a program for executing the information may be stored. And the central processor 100 can execute the program stored in the memory 140 to realize information storage or processing, etc.
The input unit 120 provides an input to the central processor 100. The input unit 120 is, for example, a key or a touch input device. The power supply 170 is used to provide power to the electronic device 600. The display 160 is used for displaying display objects such as images and characters. The display may be, for example, but not limited to, an LCD display.
The memory 140 may be a solid state memory such as Read Only Memory (ROM), random Access Memory (RAM), SIM card, or the like. But also a memory which holds information even when powered down, can be selectively erased and provided with further data, an example of which is sometimes referred to as EPROM or the like. Memory 140 may also be some other type of device. Memory 140 includes a buffer memory 141 (sometimes referred to as a buffer). The memory 140 may include an application/function storage 142, the application/function storage 142 for storing application programs and function programs or a flow for executing operations of the electronic device 600 by the central processor 100.
The memory 140 may also include a data store 143, the data store 143 for storing data, such as contacts, digital data, pictures, sounds, and/or any other data used by the electronic device. The driver storage 144 of the memory 140 may include various drivers of the electronic device for communication functions and/or for performing other functions of the electronic device (e.g., messaging applications, address book applications, etc.).
The communication module 110 is a transmitter/receiver 110 that transmits and receives signals via an antenna 111. A communication module (transmitter/receiver) 110 is coupled to the central processor 100 to provide an input signal and receive an output signal, which may be the same as in the case of a conventional mobile communication terminal.
Based on different communication technologies, a plurality of communication modules 110, such as a cellular network module, a bluetooth module, and/or a wireless local area network module, etc., may be provided in the same electronic device. The communication module (transmitter/receiver) 110 is also coupled to a speaker 131 and a microphone 132 via an audio processor 130 to provide audio output via the speaker 131 and to receive audio input from the microphone 132 to implement usual telecommunication functions. The audio processor 130 may include any suitable buffers, decoders, amplifiers and so forth. In addition, the audio processor 130 is also coupled to the central processor 100 so that sound can be recorded locally through the microphone 132 and so that sound stored locally can be played through the speaker 131.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (4)
1. A method for determining opening of a baffle in a thermal power plant, the method comprising:
acquiring the width of a baffle blade of a boiler, and respectively acquiring distance values of two ends of the baffle blade from a reference surface of an airflow channel by utilizing ultrasonic range finders symmetrically arranged at two sides of a blade rotating shaft; the ultrasonic range finder comprises a blade rotating shaft, two probes, a first measuring position and a second measuring position, wherein the two probes of the ultrasonic range finder are respectively arranged at the first measuring position and the second measuring position, a connecting line of the first measuring position and the second measuring position is perpendicular to the blade rotating shaft, and a distance a between the first measuring position and the second measuring position is determined by using the following formula:
wherein b is the width of the baffle blade, alpha p The estimated blade angle is marked according to the site;
measuring the distance s1 between the baffle blade and the reference surface by using a probe connected to the first measuring position, measuring the distance s2 between the baffle blade and the reference surface by using a probe connected to the second measuring position, determining the baffle blade angle alpha according to the following formula, and taking the baffle blade angle as the baffle opening in the thermal power plant:
2. a baffle opening determining device in a thermal power plant, the device comprising:
the data acquisition module is used for acquiring the width of the baffle blade of the boiler and respectively acquiring the distance values of the two ends of the baffle blade from the reference surface of the airflow channel by utilizing ultrasonic range finders symmetrically arranged at the two sides of the rotating shaft of the blade; the ultrasonic range finder comprises a blade rotating shaft, two probes, a first measuring position and a second measuring position, wherein the two probes of the ultrasonic range finder are respectively arranged at the first measuring position and the second measuring position, a connecting line of the first measuring position and the second measuring position is perpendicular to the blade rotating shaft, and a distance a between the first measuring position and the second measuring position is determined by using the following formula:
wherein b is the width of the baffle blade, alpha p The estimated blade angle is marked according to the site;
the baffle opening degree module is used for measuring the distance s1 between the baffle blade and the reference surface by using the probe connected to the first measuring position, measuring the distance s2 between the baffle blade and the reference surface by using the probe connected to the second measuring position, determining the baffle blade angle alpha according to the following formula, and taking the baffle blade angle as the baffle opening degree in the thermal power plant:
3. an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of claim 1 when executing the computer program.
4. A computer readable storage medium, characterized in that the computer readable storage medium stores a computer program for executing the method of claim 1.
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| CN202210482503.1A CN114877827B (en) | 2022-05-05 | 2022-05-05 | Method and device for determining opening degree of baffle plate in thermal power plant |
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