CN117272133A - Automatic monitoring and marking method and system for working conditions of environmental protection equipment - Google Patents
Automatic monitoring and marking method and system for working conditions of environmental protection equipment Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 62
- 230000007613 environmental effect Effects 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 54
- 230000002159 abnormal effect Effects 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 238000006477 desulfuration reaction Methods 0.000 claims description 26
- 230000023556 desulfurization Effects 0.000 claims description 26
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 22
- 238000004590 computer program Methods 0.000 claims description 19
- 239000002002 slurry Substances 0.000 claims description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 12
- 239000003546 flue gas Substances 0.000 claims description 12
- 229910021529 ammonia Inorganic materials 0.000 claims description 11
- 238000010790 dilution Methods 0.000 claims description 11
- 239000012895 dilution Substances 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 10
- 239000003245 coal Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
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- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The invention discloses a method and a system for automatically monitoring and marking the working condition of environmental protection equipment, which comprise the steps of acquiring environmental protection related working condition data in the working condition of a thermal power generating unit, classifying the environmental protection related working condition data, wherein the environmental protection related working condition data comprises production facility working condition data and pollution control facility working condition data; according to the classification result, combining abnormal working condition and normal working condition data of the thermal power generating unit, establishing start-stop constraint conditions of corresponding working condition states, and presetting a logic judgment model according to the constraint conditions; accessing the logic judgment model into real-time thermal power generating unit data, and carrying out logic judgment on the real-time data; and realizing the automatic monitoring and marking of the working condition of the environmental protection equipment according to the logic judgment result. The method can realize timely, time-saving and labor-saving automatic monitoring and automatic marking on the operation condition of the pollution treatment facility, and can also be transmitted to a pollution source automatic monitoring and management platform, so that the real-time performance and accuracy of the environmental protection department on important pollution source supervision are ensured.
Description
Technical Field
The invention relates to the technical field of automatic monitoring and marking of working conditions of environmental protection equipment, in particular to a method and a system for automatically monitoring and marking the working conditions of the environmental protection equipment.
Background
At present, the national environmental protection department transmits the emission of important pollutants generated by boiler combustion in the production process of a thermal power enterprise to an intelligent monitor through a CEMS (continuous monitoring system for flue gas emission) of the thermal power enterprise, and then the emission of important pollutants is transmitted to a pollution source monitoring platform of the environmental protection department for supervision through a telecommunication network by the intelligent monitor. Because the thermal power generating unit and the corresponding pollution treatment facilities thereof can change at working condition moment in the production process, for example, part of pollution treatment facilities cannot be normally put into operation during the start-up or sliding stop of the unit, and the facilities are out of order due to faults and the like, the pollutant data received by the environmental protection department can be abnormal to cause exceeding standards. Therefore, the thermal power enterprises need to make relevant records, the application for disclaimer is provided for the environmental protection department, and the environmental protection department also needs to send people to the site for checking and verifying.
The automatic marking function for automatically monitoring the working condition of the environmental protection equipment is mainly used for solving the problems that thermal power enterprises and environmental protection departments are out of standard for environmental protection data caused by abnormal working condition of the thermal power unit equipment, and feedback is not timely and wastes time and energy.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.
The present invention has been made in view of the above-described problems occurring in the prior art.
Therefore, the invention provides an environment-friendly equipment working condition automatic monitoring and marking method and system, which can solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme, namely an environment-friendly equipment working condition automatic monitoring and marking method, which comprises the following steps:
acquiring environmental protection related working condition data in working conditions of the thermal power generating unit, and classifying the environmental protection related working condition data, wherein the environmental protection related working condition data comprises production facility working condition data and pollution control facility working condition data;
according to the classification result, combining abnormal working condition data and normal working condition data of the thermal power generating unit, establishing a start-stop constraint condition of a corresponding working condition state, and presetting a logic judgment model according to the constraint condition;
accessing the logic judgment model into real-time thermal power generating unit data, and performing logic judgment on the real-time data;
and according to the logic judgment result, the automatic monitoring and marking of the working condition of the environmental protection equipment are realized.
As a preferable scheme of the environment-friendly equipment working condition automatic monitoring and marking method, the invention comprises the following steps: the environment-friendly related working condition data comprises first class working condition data and second class working condition data;
the first type of working condition data is production facility working condition data, and the first type of working condition data comprises a disconnection working condition, a shutdown working condition, a first shutdown working condition, a starting working condition, a grid connection/energy supply working condition and an accident working condition;
the second type of working condition data is pollution control facility working condition data, and the second type of working condition data comprises a first desulfurization operation working condition, a first desulfurization shutdown working condition, a first denitration operation working condition and a first denitration shutdown working condition.
As a preferable scheme of the environment-friendly equipment working condition automatic monitoring and marking method, the invention comprises the following steps: the method combines the abnormal working condition and the normal working condition data of the thermal power generating unit, and establishes the start-stop constraint conditions of the corresponding working condition states comprises,
when the unit state is monitored to be located between a first state node and a second state node, the working condition state is a disconnection working condition, the first state node is a state that the power of the thermal power unit is reduced to 50% or below, and the second state node is a state that the thermal power unit is disconnected from a power grid or the effective energy supply is stopped;
when the unit state is monitored to be located between the second state node and the third state node, the working condition state is a shutdown working condition, and the third state node is a state that the boiler/steam turbine is completely shut down;
when the unit state is monitored to be located between a third state node and a fourth state node, the working condition state is a first off-operation working condition, and the fourth state node is a state of restarting the boiler/turbine to stop operation completely;
when the condition that the unit state is located between a fourth state node and a fifth state node is monitored, the working condition state is a starting working condition, the fifth state node is a state of grid-connected power generation or effective energy supply of the unit, and the fifth state node comprises a normal ignition/impact rotation state of a boiler/steam turbine, and a test ignition/impact rotation state is debugged after overhaul or transformation;
when the unit state is monitored to be located between a fifth state node and a sixth state node, the working condition state is a grid-connected/energy-supplying working condition, and the sixth state node is a state that the boiler/steam turbine and the pollution control facility reach a normal running state;
when the unit state is monitored to be located between the sixth state node and the seventh state node, the working condition state is an accident working condition, and the seventh state node is a state that a production facility or a pollution control facility breaks down or an accident occurs.
As a preferable scheme of the environment-friendly equipment working condition automatic monitoring and marking method, the invention comprises the following steps: the method for establishing the start-stop constraint conditions of the corresponding working conditions by combining the abnormal working condition and the normal working condition data difference value of the thermal power generating unit further comprises the steps of,
monitoring the power value of the current thermal power unit, and if the power value of the current thermal power unit is smaller than 100MW, determining that the thermal power unit enters a disconnection working condition starting state;
if the occurrence of brake separation of the generator outlet breaker of the thermal power unit is monitored, the thermal power unit is determined to enter a disconnection working condition stopping state, and meanwhile enters a stopping working condition opening state, and the occurrence of brake separation of the generator outlet breaker of the thermal power unit is judged and identified according to real-time data;
when the coal mill of the thermal power unit is monitored to stop running and the rotating speed of the steam turbine is less than 800 revolutions per minute, the stop state of the shutdown working condition of the thermal power unit is determined, and meanwhile, the first shutdown working condition is started;
if the fact that the thermal power unit has the combustor operation signal is monitored, the thermal power unit is determined to enter a first stop working condition stop state, and meanwhile enters a start working condition start state.
As a preferable scheme of the environment-friendly equipment working condition automatic monitoring and marking method, the invention comprises the following steps: the method for establishing the start-stop constraint conditions of the corresponding working conditions by combining the abnormal working condition and the normal working condition data difference value of the thermal power generating unit further comprises the steps of,
if the situation that the circuit breaker at the generator outlet of the thermal power generating unit is switched on is monitored, the thermal power generating unit is determined to enter a starting working condition stopping state, and meanwhile, a grid-connected/energy supply working condition opening state is entered;
when all the oil angle valves of the thermal power unit are monitored to be fully closed and the current load of the thermal power unit is more than 300MW, the thermal power unit is considered to enter a grid-connected/energy supply working condition stop state;
when any important auxiliary machine shutdown signal or unit grid-connected signal of the thermal power unit is monitored, the thermal power unit is determined to enter an accident working condition starting state, when all important auxiliary machine operation signals are monitored, the thermal power unit is determined to enter the accident working condition stopping state, and the auxiliary machines comprise all equipment used in the first type of working conditions.
As a preferable scheme of the environment-friendly equipment working condition automatic monitoring and marking method, the invention comprises the following steps: the method for establishing the start-stop constraint conditions of the corresponding working conditions by combining the abnormal working condition and the normal working condition data difference value of the thermal power generating unit further comprises the steps of,
when all slurry circulating pumps or/and booster fans are/is monitored, determining that the thermal power unit desulfurization system enters a first desulfurization operation condition state, and when all slurry circulating pumps or/and booster fans are/is monitored, determining that the thermal power unit desulfurization system enters the first desulfurization operation condition state;
when the temperature of the inlet flue gas of the dilution fan or/and the denitration system is/are monitored to be greater than 320 ℃ or/and the ammonia supply quick closing valve is/are opened, the thermal power unit denitration system is determined to enter a first denitration operation working condition state, and when the temperature of the inlet flue gas of the dilution fan or/and the denitration system is monitored to be less than 320 ℃ or/and the ammonia supply quick closing valve is/are closed, the thermal power unit denitration system is determined to enter the first denitration operation working condition state.
The logical judgment model comprises the following components,
W d ＜100MW
D h ＝0 or D h ＝1
M z ＝0 or M z ＝1，Q z ＜800rad/min
Y j ＝0 or Y j ＝1，F y ＞300MW
R s ＝0 or R s ＝1
J y ＝0 and Z y ＝0 or J y ＝1 and Z y ＝1
X f ＝0 and T x ＜320℃ and G a ＝0 or X f ＝1 and T x ＞320℃ and G a ＝1
wherein W is d Represents the current thermal power unit power value, D h The state of a circuit breaker at the outlet of a generator of the thermal power generating unit is represented, when the state is 0, the state is represented by opening the brake, when the state is 1, the state is represented by closing the brake, and M z Indicating the running state of a coal mill of the thermal power unit, when the running state is 0, indicating the stop operation, when the running state is 1, indicating the running state, Q z Represents the rotating speed of a steam turbine of the thermal power machine, F y Represents the load of the thermal power unit, R s The method is characterized in that the method shows the operation state of the burner of the thermal power generating unit, when the burner is 0, the burner is operated, when the burner is 1, the burner is not operated, and Y j The state of the oil angle valve of the thermal power generating unit is represented by closing when 0, opening when 1, and any auxiliary machine state when 0,indicating a fault, when 1, indicating normal, J y Indicating that the slurry circulation pump is stopped when the slurry circulation pump is 0 and is operated when the slurry circulation pump is 1, Z y Indicating that the booster fan is stopped when being 0, and is operated when being 1, X f Indicating that the dilution fan is stopped when being 0, and is operated when being 1, T x Represents the temperature of flue gas at the inlet of the denitration system, G a The ammonia supply quick closing valve state is represented by closing when 0 and opening when 1.
An environmental protection equipment operating mode automatic monitoring and marking system, its characterized in that: comprises a data processing module, a model building module, a judging module and an automatic detection and marking module,
the data processing module is used for acquiring environmental protection related working condition data in working conditions of the thermal power generating unit and classifying the environmental protection related working condition data, wherein the environmental protection related working condition data comprises production facility working condition data and pollution control facility working condition data;
the model building module is used for building a start-stop constraint condition of a corresponding working condition state according to the classification result and combining abnormal working condition and normal working condition data of the thermal power generating unit, and presetting a logic judgment model according to the constraint condition;
the judging module is used for accessing the logic judging model into the real-time thermal power unit data and carrying out logic judgment on the real-time data;
and the marking module is used for realizing automatic monitoring and marking of the working condition of the environmental protection equipment according to the logic judgment result.
A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method as described above when executing the computer program.
A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method as described above.
The invention has the beneficial effects that: the invention provides an environment-friendly equipment working condition automatic monitoring and marking method and system, which are used for acquiring environment-friendly related working condition data in working conditions of a thermal power generating unit and classifying the environment-friendly related working condition data, wherein the environment-friendly related working condition data comprises production facility working condition data and pollution control facility working condition data; according to the classification result, combining abnormal working condition data and normal working condition data of the thermal power generating unit, establishing a start-stop constraint condition of a corresponding working condition state, and presetting a logic judgment model according to the constraint condition; accessing the logic judgment model into real-time thermal power generating unit data, and performing logic judgment on the real-time data; and according to the logic judgment result, the automatic monitoring and marking of the working condition of the environmental protection equipment are realized. The method can realize timely, time-saving and labor-saving automatic monitoring and automatic marking on the operation condition of the pollution treatment facility, and can also be transmitted to a pollution source automatic monitoring and management platform, so that the real-time performance and accuracy of the environmental protection department on important pollution source supervision are ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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. Wherein:
FIG. 1 is a flow chart of a method and system for automatically monitoring and marking environmental protection equipment conditions according to one embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating an exemplary embodiment of a method and system for automatically monitoring and marking operating conditions of an environmental protection device.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
While the embodiments of the present invention have been illustrated and described in detail in the drawings, the cross-sectional view of the device structure is not to scale in the general sense for ease of illustration, and the drawings are merely exemplary and should not be construed as limiting the scope of the invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Also in the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper, lower, inner and outer", etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements 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, or third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The terms "mounted, connected, and coupled" should be construed broadly in this disclosure unless otherwise specifically indicated and defined, such as: can be fixed connection, detachable connection or integral connection; it may also be a mechanical connection, an electrical connection, or a direct connection, or may be indirectly connected through an intermediate medium, or may be a communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1-2, a first embodiment of the present invention provides a method and a system for automatically monitoring and marking working conditions of environmental protection equipment, including:
acquiring environmental protection related working condition data in working conditions of the thermal power generating unit, and classifying the environmental protection related working condition data, wherein the environmental protection related working condition data comprises production facility working condition data and pollution control facility working condition data;
the environment-friendly related working condition data comprises first class working condition data and second class working condition data;
specifically, the first type of working condition data is production facility working condition data, and the first type of working condition data comprises a disconnection working condition, a shutdown working condition, a first shutdown working condition, a starting working condition, a grid connection/energy supply working condition and an accident working condition;
the second type of working condition data is pollution control facility working condition data, and the second type of working condition data comprises a first desulfurization operation working condition, a first desulfurization shutdown working condition, a first denitration operation working condition and a first denitration shutdown working condition.
In the embodiment of the invention, according to the classification result, the abnormal working condition and normal working condition data of the thermal power generating unit are combined, the start-stop constraint condition of the corresponding working condition state is established, and a logic judgment model is preset according to the constraint condition;
the method comprises the steps of establishing a corresponding working condition state start-stop constraint condition by combining abnormal working condition data and normal working condition data of the thermal power unit, wherein the working condition state is a disconnection working condition when the condition that the unit state is located between a first state node and a second state node is monitored, the first state node is a state that the power of the thermal power unit is reduced to 50% or below, and the second state node is a state that the thermal power unit is disconnected from a power grid or the effective energy supply is stopped;
further, when the unit state is monitored to be located between the second state node and the third state node, the working condition state is a shutdown working condition, and the third state node is a state that the boiler/steam turbine is completely shut down;
further, when the unit state is monitored to be located between the third state node and the fourth state node, the working condition state is a first outage working condition, and the fourth state node is a state of restarting the boiler/turbine to stop completely;
further, when the unit state is monitored to be located between a fourth state node and a fifth state node, the working condition state is a starting working condition, the fifth state node is a state of grid-connected power generation or effective energy supply of the unit, and the fifth state node comprises a normal ignition/flushing state of a boiler/steam turbine, and a test ignition/flushing state is debugged after overhaul or transformation;
further, when the unit state is monitored to be located between the fifth state node and the sixth state node, the working condition state is a grid-connected/energy-supplying working condition, and the sixth state node is a state that the boiler/steam turbine and the pollution treatment facility reach a normal operation state;
further, when the unit state is monitored to be located between the sixth state node and the seventh state node, the working condition state is an accident working condition, and the seventh state node is a state that a fault or accident occurs in the production facility or the pollution control facility.
In the embodiment of the invention, the method for establishing the start-stop constraint condition of the corresponding working condition state by combining the abnormal working condition and the normal working condition data difference value of the thermal power unit further comprises the steps of optionally monitoring the power value of the current thermal power unit, and if the power value of the current thermal power unit is less than 100MW, determining that the thermal power unit enters the start-up state of the disconnection working condition;
further, if the occurrence of brake separation of the generator outlet breaker of the thermal power unit is monitored, the thermal power unit is determined to enter a disconnection working condition stopping state, and meanwhile enters a shutdown working condition opening state, and the occurrence of brake separation of the generator outlet breaker of the thermal power unit is judged and identified according to real-time data;
further, when the coal mill of the thermal power unit is monitored to stop running and the rotating speed of the steam turbine is less than 800 revolutions per minute, the stop state of the stop working condition of the thermal power unit is determined, and meanwhile, the first stop working condition is started;
further, if the occurrence of a burner operation signal of the thermal power unit is monitored, the thermal power unit is determined to enter a first stop working condition stop state and enter a start working condition start state.
Further, if the situation that the circuit breaker at the generator outlet of the thermal power unit is switched on is monitored, the thermal power unit is determined to enter a starting working condition stopping state, and meanwhile, a grid-connected/energy supply working condition opening state is entered;
further, when all the oil angle valves of the thermal power unit are monitored to be fully closed and the current load of the thermal power unit is more than 300MW, the thermal power unit is determined to enter a grid connection/energy supply working condition stop state;
furthermore, when any important auxiliary machine shutdown signal or unit grid-connected signal of the thermal power unit is monitored, the thermal power unit is determined to enter an accident working condition starting state, when all important auxiliary machine operation signals are monitored, the thermal power unit is determined to enter the accident working condition stopping state, and the auxiliary machines comprise all equipment used in the first type of working conditions.
Further, when all slurry circulating pumps or/and booster fans are/is monitored to stop operation signals, the thermal power unit desulfurization system is determined to enter a first desulfurization stop operation condition state, and when all slurry circulating pumps or/and booster fans are/is monitored to start operation signals, the thermal power unit desulfurization system is determined to enter the first desulfurization operation condition state;
further, when the operation of the dilution fan or/and the temperature of the inlet flue gas of the denitration system is greater than 320 ℃ or/and the signal that the ammonia supply quick closing valve is opened is monitored, the denitration system of the thermal power unit is determined to enter a first denitration operation working condition state, and when the operation of the dilution fan or/and the temperature of the inlet flue gas of the denitration system is less than 320 ℃ or/and the signal that the ammonia supply quick closing valve is closed is monitored, the denitration system of the thermal power unit is determined to enter the first denitration operation working condition state.
In an embodiment of the present invention, the logical judgment model may include,
W d ＜100MW
D h ＝0or D h ＝1
M z ＝0or M z ＝1，Q z ＜800rad/min
Y j ＝0or Y j ＝1，F y ＞300MW
R s ＝0or R s ＝1
J y ＝0and Z y ＝0or J y ＝1and Z y ＝1
X f ＝0and T x ＜320℃and G a ＝0or X f ＝1and T x ＞320℃and G a ＝1
wherein W is d Represents the current thermal power unit power value, D h The state of a circuit breaker at the outlet of a generator of the thermal power generating unit is represented, when the state is 0, the state is represented by opening the brake, when the state is 1, the state is represented by closing the brake, and M z Indicating the running state of a coal mill of the thermal power unit, when the running state is 0, indicating the stop operation, when the running state is 1, indicating the running state, Q z Represents the rotating speed of a steam turbine of the thermal power machine, F y Represents the load of the thermal power unit, R s The method is characterized in that the method shows the operation state of the burner of the thermal power generating unit, when the burner is 0, the burner is operated, when the burner is 1, the burner is not operated, and Y j The oil angle valve state of the thermal power generating unit is represented by closing when 0, opening when 1, optional auxiliary machine state is represented by F, fault is represented by 0, normal is represented by 1, J y Indicating that the slurry circulation pump is stopped when the slurry circulation pump is 0 and is operated when the slurry circulation pump is 1, Z y Indicating that the booster fan is stopped when being 0, and is operated when being 1, X f Indicating that the dilution fan is stopped when being 0, and is operated when being 1, T x Represents the temperature of flue gas at the inlet of the denitration system, G a The ammonia supply quick closing valve state is represented by closing when 0 and opening when 1.
Optionally, the judgment logic may also include logic judgment criteria of other devices in the thermal power generating unit, but the use steps and logic are substantially the same as those of the application and are also within the protection scope of the application.
It should be noted that, combinations of various conditions or individual judgment conditions appearing in the above logical judgment model are all included in the scope of protection of the present application.
In the embodiment of the invention, the logic judgment model is accessed into the real-time thermal power generating unit data, and the logic judgment is carried out on the real-time data;
optionally, the real-time thermal power generating unit data can be collected by the sensor and then transmitted to the model, or directly connected to the model, or collected by the server and then transmitted to the model by the cloud.
Furthermore, the automatic monitoring and marking of the working condition of the environmental protection equipment are realized according to the logic judgment result.
It should be noted that, if the current thermal power unit power value is less than 100MW, the thermal power unit is determined to enter a disconnection working condition opening state, the state is marked as disconnection working condition opening, and real-time power is transmitted to the monitoring platform.
It should be noted that if the occurrence of disconnection of the circuit breaker at the generator outlet of the thermal power generating unit is monitored, the thermal power generating unit is determined to enter a disconnection working condition stopping state, and meanwhile enters a shutdown working condition opening state, the occurrence of disconnection of the circuit breaker at the generator outlet of the thermal power generating unit is judged and identified according to real-time data, the state is marked as the shutdown working condition opening state, and the state of the circuit breaker and the parameters of the circuit breaker are transmitted to a monitoring platform.
It should be noted that, when the stop operation of the coal mill of the thermal power unit is monitored and the rotating speed of the steam turbine is less than 800 revolutions per minute, the stop state of the shutdown working condition of the thermal power unit is determined, the first stop working condition opening state is entered, the state is marked as the first stop working condition opening state, and the rotating speed of the real-time steam turbine is transmitted to the monitoring platform.
It should be noted that, if the occurrence of a burner operation signal of the thermal power generating unit is monitored, the thermal power generating unit is considered to enter a first stop working condition stop state, and enters a start working condition start state at the same time, the state is marked as start working condition start, and the real-time burner operation parameters are transmitted to the monitoring platform.
It should be noted that if it is monitored that the circuit breaker at the generator outlet of the thermal power generating unit is switched on, the thermal power generating unit is determined to enter a starting working condition stopping state, and enters a grid-connected/energy supply working condition starting state at the same time, the state is marked as grid-connected/energy supply working condition starting, and the state of the circuit breaker and parameters of the circuit breaker in real time are transmitted to a monitoring platform.
It should be noted that when all the oil angle valves of the thermal power unit are monitored to be fully closed and the current load of the thermal power unit is greater than 300MW, the thermal power unit is considered to enter a grid-connected/energy supply working condition stopping state, the state is marked as grid-connected/energy supply working condition stopping, and the real-time breaker state and the breaker parameters are transmitted to a monitoring platform.
It should be noted that when any important auxiliary machine shutdown signal or unit grid-connected signal of the thermal power unit is monitored, the thermal power unit is considered to enter an accident condition starting state, the state is marked as the accident condition starting state, real-time auxiliary machine fault data are transmitted to the monitoring platform, when all important auxiliary machine operation signals are monitored, the thermal power unit is considered to enter the accident condition stopping state, the auxiliary machines comprise all equipment used by the first type of working condition, and the state is marked as the accident condition stopping state.
When all slurry circulating pump shutdown signals or/and booster fan shutdown signals are monitored, the desulfurization system of the thermal power unit is determined to enter a first desulfurization shutdown working condition state, the state is marked as a first desulfurization shutdown working condition, and real-time parameters of the desulfurization system are transmitted to a monitoring platform. When all slurry circulating pumps or/and booster fan starting signals are monitored, the desulfurization system of the thermal power unit is determined to enter a first desulfurization operation working condition state, the state is marked as the first desulfurization operation working condition, and real-time parameters of the desulfurization system are transmitted to a monitoring platform.
When the operation of the dilution fan or/and the temperature of the flue gas at the inlet of the denitration system is greater than 320 ℃ or/and the ammonia supply quick closing valve is/are/is detected to be opened, the denitration system of the thermal power unit is determined to enter a first denitration operation working condition state, the state is marked as the first denitration operation working condition, and real-time parameters of the denitration system are transmitted to the monitoring platform. When the shutdown of the dilution fan or/and the temperature of the flue gas at the inlet of the denitration system is less than 320 ℃ or/and the signal that the ammonia supply quick-closing valve is closed is monitored, the denitration system of the thermal power unit is determined to enter a first denitration shutdown working condition state, the state is marked as a first denitration shutdown working condition, and real-time parameters of the denitration system are transmitted to a monitoring platform.
In a preferred embodiment, the system for automatically monitoring and marking the working condition of the environmental protection equipment comprises a data processing module, a model building module, a judging module and an automatic detecting and marking module,
the data processing module is used for acquiring environment-friendly relevant working condition data in the working condition of the thermal power generating unit, classifying the environment-friendly relevant working condition data, wherein the environment-friendly relevant working condition data comprises production facility working condition data and pollution control facility working condition data;
the model building module is used for building a start-stop constraint condition of a corresponding working condition state according to the classification result and combining abnormal working condition and normal working condition data of the thermal power generating unit, and presetting a logic judgment model according to the constraint condition;
the judging module is used for accessing the logic judging model into the real-time thermal power unit data and carrying out logic judgment on the real-time data;
and the marking module is used for realizing automatic monitoring and marking of the working condition of the environmental protection equipment according to the logic judgment result.
The above unit modules may be embedded in hardware or independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above units.
In one embodiment, a computer device is provided, which may be a terminal, and the internal structure of which may be as shown in fig. 2. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless mode can be realized through WIFI, an operator network, NFC (near field communication) or other technologies. The computer program is executed by the processor to realize an environment-friendly equipment working condition automatic monitoring and marking method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, can also be keys, a track ball or a touch pad arranged on the shell of the computer equipment, and can also be an external keyboard, a touch pad or a mouse and the like.
In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring environmental protection related working condition data in working conditions of the thermal power generating unit, and classifying the environmental protection related working condition data, wherein the environmental protection related working condition data comprises production facility working condition data and pollution control facility working condition data;
according to the classification result, combining abnormal working condition and normal working condition data of the thermal power generating unit, establishing start-stop constraint conditions of corresponding working condition states, and presetting a logic judgment model according to the constraint conditions;
accessing the logic judgment model into real-time thermal power generating unit data, and carrying out logic judgment on the real-time data;
and realizing the automatic monitoring and marking of the working condition of the environmental protection equipment according to the logic judgment result.
Example 2
Referring to fig. 1-2, for one embodiment of the present invention, an environment-friendly device working condition automatic monitoring and marking method and system are provided, and in order to verify the beneficial effects of the present invention, scientific demonstration is performed through a comparative experiment.
TABLE 1 partial actual effect parameters in the process of automatically detecting and marking environmental protection equipment working condition in certain thermal power station unit
The invention provides an environment-friendly equipment working condition automatic monitoring and marking method and system, which are used for acquiring environment-friendly related working condition data in working conditions of a thermal power generating unit and classifying the environment-friendly related working condition data, wherein the environment-friendly related working condition data comprises production facility working condition data and pollution control facility working condition data; according to the classification result, combining abnormal working condition data and normal working condition data of the thermal power generating unit, establishing a start-stop constraint condition of a corresponding working condition state, and presetting a logic judgment model according to the constraint condition; accessing the logic judgment model into real-time thermal power generating unit data, and performing logic judgment on the real-time data; and according to the logic judgment result, the automatic monitoring and marking of the working condition of the environmental protection equipment are realized. The method can realize timely, time-saving and labor-saving automatic monitoring and automatic marking on the operation condition of the pollution treatment facility, and can also be transmitted to a pollution source automatic monitoring and management platform, so that the real-time performance and accuracy of the environmental protection department on important pollution source supervision are ensured.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application 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 solutions in the embodiments of the present application may be implemented in various computer languages, for example, object-oriented programming language Java, and an transliterated scripting language JavaScript, etc.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. 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.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (10)
1. An environment-friendly equipment working condition automatic monitoring and marking method is characterized in that: comprising the steps of (a) a step of,
acquiring environmental protection related working condition data in working conditions of the thermal power generating unit, and classifying the environmental protection related working condition data, wherein the environmental protection related working condition data comprises production facility working condition data and pollution control facility working condition data;
according to the classification result, combining abnormal working condition data and normal working condition data of the thermal power generating unit, establishing a start-stop constraint condition of a corresponding working condition state, and presetting a logic judgment model according to the constraint condition;
accessing the logic judgment model into real-time thermal power generating unit data, and performing logic judgment on the real-time data;
and according to the logic judgment result, the automatic monitoring and marking of the working condition of the environmental protection equipment are realized.
2. The environmental protection equipment working condition automatic monitoring and marking method as claimed in claim 1, wherein the method comprises the following steps: the environment-friendly related working condition data comprises first class working condition data and second class working condition data;
the first type of working condition data is production facility working condition data, and the first type of working condition data comprises a disconnection working condition, a shutdown working condition, a first shutdown working condition, a starting working condition, a grid connection/energy supply working condition and an accident working condition;
the second type of working condition data is pollution control facility working condition data, and the second type of working condition data comprises a first desulfurization operation working condition, a first desulfurization shutdown working condition, a first denitration operation working condition and a first denitration shutdown working condition.
3. The environmental protection equipment working condition automatic monitoring and marking method as claimed in claim 2, wherein the method comprises the following steps: the method combines the abnormal working condition and the normal working condition data of the thermal power generating unit, and establishes the start-stop constraint conditions of the corresponding working condition states comprises,
when the unit state is monitored to be located between a first state node and a second state node, the working condition state is a disconnection working condition, the first state node is a state that the power of the thermal power unit is reduced to 50% or below, and the second state node is a state that the thermal power unit is disconnected from a power grid or the effective energy supply is stopped;
when the unit state is monitored to be located between the second state node and the third state node, the working condition state is a shutdown working condition, and the third state node is a state that the boiler/steam turbine is completely shut down;
when the unit state is monitored to be located between a third state node and a fourth state node, the working condition state is a first off-operation working condition, and the fourth state node is a state of restarting the boiler/turbine to stop operation completely;
when the condition that the unit state is located between a fourth state node and a fifth state node is monitored, the working condition state is a starting working condition, the fifth state node is a state of grid-connected power generation or effective energy supply of the unit, and the fifth state node comprises a normal ignition/impact rotation state of a boiler/steam turbine, and a test ignition/impact rotation state is debugged after overhaul or transformation;
when the unit state is monitored to be located between a fifth state node and a sixth state node, the working condition state is a grid-connected/energy-supplying working condition, and the sixth state node is a state that the boiler/steam turbine and the pollution control facility reach a normal running state;
when the unit state is monitored to be located between the sixth state node and the seventh state node, the working condition state is an accident working condition, and the seventh state node is a state that a production facility or a pollution control facility breaks down or an accident occurs.
4. The environmental protection equipment working condition automatic monitoring and marking method as claimed in claim 3, wherein: the method for establishing the start-stop constraint conditions of the corresponding working conditions by combining the abnormal working condition and the normal working condition data difference value of the thermal power generating unit further comprises the steps of,
monitoring the power value of the current thermal power unit, and if the power value of the current thermal power unit is smaller than 100MW, determining that the thermal power unit enters a disconnection working condition starting state;
if the occurrence of brake separation of the generator outlet breaker of the thermal power unit is monitored, the thermal power unit is determined to enter a disconnection working condition stopping state, and meanwhile enters a stopping working condition opening state, and the occurrence of brake separation of the generator outlet breaker of the thermal power unit is judged and identified according to real-time data;
when the coal mill of the thermal power unit is monitored to stop running and the rotating speed of the steam turbine is less than 800 revolutions per minute, the stop state of the shutdown working condition of the thermal power unit is determined, and meanwhile, the first shutdown working condition is started;
if the fact that the thermal power unit has the combustor operation signal is monitored, the thermal power unit is determined to enter a first stop working condition stop state, and meanwhile enters a start working condition start state.
5. The method for automatically monitoring and marking the working condition of the environmental protection equipment according to claim 4, which is characterized in that: the method for establishing the start-stop constraint conditions of the corresponding working conditions by combining the abnormal working condition and the normal working condition data difference value of the thermal power generating unit further comprises the steps of,
if the situation that the circuit breaker at the generator outlet of the thermal power generating unit is switched on is monitored, the thermal power generating unit is determined to enter a starting working condition stopping state, and meanwhile, a grid-connected/energy supply working condition opening state is entered;
when all the oil angle valves of the thermal power unit are monitored to be fully closed and the current load of the thermal power unit is more than 300MW, the thermal power unit is considered to enter a grid-connected/energy supply working condition stop state;
when any important auxiliary machine shutdown signal or unit grid-connected signal of the thermal power unit is monitored, the thermal power unit is determined to enter an accident working condition starting state, when all important auxiliary machine operation signals are monitored, the thermal power unit is determined to enter the accident working condition stopping state, and the auxiliary machines comprise all equipment used in the first type of working conditions.
6. The method for automatically monitoring and marking the working condition of the environmental protection equipment according to claim 5, which is characterized in that: the method for establishing the start-stop constraint conditions of the corresponding working conditions by combining the abnormal working condition and the normal working condition data difference value of the thermal power generating unit further comprises the steps of,
when all slurry circulating pumps or/and booster fans are/is monitored, determining that the thermal power unit desulfurization system enters a first desulfurization operation condition state, and when all slurry circulating pumps or/and booster fans are/is monitored, determining that the thermal power unit desulfurization system enters the first desulfurization operation condition state;
when the temperature of the inlet flue gas of the dilution fan or/and the denitration system is/are monitored to be greater than 320 ℃ or/and the ammonia supply quick closing valve is/are opened, the thermal power unit denitration system is determined to enter a first denitration operation working condition state, and when the temperature of the inlet flue gas of the dilution fan or/and the denitration system is monitored to be less than 320 ℃ or/and the ammonia supply quick closing valve is/are closed, the thermal power unit denitration system is determined to enter the first denitration operation working condition state.
7. The method for automatically monitoring and marking the working condition of the environmental protection equipment according to claim 6, which is characterized in that: the logical judgment model comprises the following components,
W d ＜100MW
D h ＝0or D h ＝1
M z ＝0or M z ＝1，Q z ＜800rad/min
Y j ＝0or Y j ＝1，F y ＞300MW
R s ＝0or R s ＝1
J y ＝0and Z y ＝0or J y ＝1and Z y ＝1
X f ＝0and T x ＜320℃and G a ＝0or X f ＝1and T x ＞320℃and G a ＝1
wherein W is d Represents the current thermal power unit power value, D h The state of a circuit breaker at the outlet of a generator of the thermal power generating unit is represented, when the state is 0, the state is represented by opening the brake, when the state is 1, the state is represented by closing the brake, and M z Representing thermal powerThe running state of the unit coal mill is represented by stopping when 0 and representing running when 1, Q z Represents the rotating speed of a steam turbine of the thermal power machine, F y Represents the load of the thermal power unit, R s The method is characterized in that the method shows the operation state of the burner of the thermal power generating unit, when the burner is 0, the burner is operated, when the burner is 1, the burner is not operated, and Y j The oil angle valve state of the thermal power generating unit is represented by closing when 0, opening when 1, optional auxiliary machine state is represented by F, fault is represented by 0, normal is represented by 1, J y Indicating that the slurry circulation pump is stopped when the slurry circulation pump is 0 and is operated when the slurry circulation pump is 1, Z y Indicating that the booster fan is stopped when being 0, and is operated when being 1, X f Indicating that the dilution fan is stopped when being 0, and is operated when being 1, T x Represents the temperature of flue gas at the inlet of the denitration system, G a The ammonia supply quick closing valve state is represented by closing when 0 and opening when 1.
8. An environmental protection equipment operating mode automatic monitoring and marking system, its characterized in that: comprises a data processing module, a model building module, a judging module and an automatic detection and marking module,
the data processing module is used for acquiring environmental protection related working condition data in working conditions of the thermal power generating unit and classifying the environmental protection related working condition data, wherein the environmental protection related working condition data comprises production facility working condition data and pollution control facility working condition data;
the model building module is used for building a start-stop constraint condition of a corresponding working condition state according to the classification result and combining abnormal working condition and normal working condition data of the thermal power generating unit, and presetting a logic judgment model according to the constraint condition;
the judging module is used for accessing the logic judging model into the real-time thermal power unit data and carrying out logic judgment on the real-time data;
and the marking module is used for realizing automatic monitoring and marking of the working condition of the environmental protection equipment according to the logic judgment result.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1 to 7 when the computer program is executed.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 7.
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