CN117110554B - Thermal power enterprise greenhouse gas terminal emission monitoring system and method - Google Patents
Thermal power enterprise greenhouse gas terminal emission monitoring system and method Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 217
- 239000005431 greenhouse gas Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000007789 gas Substances 0.000 claims abstract description 371
- 238000004891 communication Methods 0.000 claims abstract description 58
- 238000001514 detection method Methods 0.000 claims description 57
- 230000002093 peripheral effect Effects 0.000 claims description 22
- 239000002360 explosive Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 3
- 241000894007 species Species 0.000 claims description 3
- 230000001988 toxicity Effects 0.000 claims description 3
- 231100000419 toxicity Toxicity 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000669618 Nothes Species 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0067—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display by measuring the rate of variation of the concentration
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- G—PHYSICS
- G01—MEASURING; TESTING
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- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
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Abstract
The invention relates to the technical field of gas emission monitoring methods, in particular to a thermal power enterprise greenhouse gas terminal emission monitoring system and a thermal power enterprise greenhouse gas terminal emission monitoring method, wherein the system comprises a gas monitoring module, a gas information reference module, a control module and a communication module; the control module calculates a predicted total monitoring frequency reference coefficient according to the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmful reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, calculates actual total monitoring frequency according to the predicted total monitoring frequency reference coefficient and the number of the gas types to be detected, and transmits information of the actual total monitoring frequency to the communication module; the communication module transmits information of the actual monitoring total times to the user side. When the gas concentration in a certain time period needs to be obtained, the accuracy of monitoring can be improved through multiple monitoring, and the problems of excessive monitoring and too little monitoring quantity are avoided by limiting the actual total monitoring times.
Description
Technical Field
The invention relates to the technical field of gas emission monitoring methods, in particular to a thermal power enterprise greenhouse gas terminal emission monitoring system and method.
Background
The thermal power enterprise is a factory for producing electric energy by using coal, petroleum and natural gas as fuel, and the basic production process is as follows: the fuel is combusted in the boiler to heat water to form steam, chemical energy of the fuel is converted into heat energy, steam pressure pushes the turbine to rotate, heat energy is converted into mechanical energy, and then the turbine drives the generator to rotate, so that the mechanical energy is converted into electric energy.
In the process of producing electric energy by thermal power enterprises, greenhouse gases such as nitrogen oxides, carbon dioxide, sulfur dioxide, carbon monoxide, sulfur hexafluoride and the like are generated, and the partial gases can cause certain harm to human bodies and the environment, so that the discharged gases need to be effectively monitored.
Many monitoring systems have been developed, and through extensive searching and reference, the prior art has been found to have monitoring systems as disclosed in publication nos. CN111289312A, CN104101686A, CN106706474A, CN101782562a and CN116324862a, which generally include a sensing module for detecting the concentration of a gas and transmitting to a statistics module for outputting a concentration value of the corresponding gas.
However, in the prior art, the actual value of a certain monitoring is taken for the concentration value of the gas, and because the monitored environment can change slightly in a certain time period, the concentration value of the gas is difficult to accurately reflect through the actual value of a certain monitoring, so that a certain error occurs in the monitoring.
Disclosure of Invention
The invention aims to improve the monitoring accuracy and provides a system and a method for monitoring the tail end emission of greenhouse gases of a thermal power enterprise aiming at the defects.
The invention adopts the following technical scheme:
the system comprises a gas monitoring module, a gas information reference module, a control module and a communication module, wherein the gas monitoring module, the gas information reference module and the communication module are all in communication connection with the control module;
the gas monitoring module is used for monitoring gas, storing information of the number of gas types to be detected and transmitting the information to the control module;
the gas information reference module is used for storing information of the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmfulness reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, and transmitting the information to the control module;
the control module calculates a predicted total monitoring frequency reference coefficient according to the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmful reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, calculates actual total monitoring frequency according to the predicted total monitoring frequency reference coefficient and the number of the gas types to be detected, and transmits information of the actual total monitoring frequency to the communication module;
The communication module transmits information of the actual monitoring total times to a user side;
the gas monitoring module comprises a gas detector and a gas type information storage sub-module;
the gas detector is used for monitoring gas and obtaining information of the number of the gas types to be detected, and transmitting the information of the number of the gas types to be detected to the gas type information storage sub-module;
the gas type information storage sub-module is in communication connection with the control module and is used for storing information of the number of gas types to be detected and transmitting the information to the control module.
Optionally, when the control module calculates the actual total monitoring times, the following formula is satisfied:
；
；
wherein,for the actual monitoring of the total number of times +.>As a maximum function>For the number of the gas species to be measured, +.>A reference coefficient for estimating the total monitoring times;
for the corrosive reference index of the gas to be measured, +.>The values of->Or->When->The gas to be tested is not corrosive when +.>When the gas to be detected is corrosive +.>For the reference index of the pollution of the gas to be measured, +.>The values of- >Or->When->The gas to be measured has no pollution to the environment, when +.>When the gas to be measured has pollution to the environment, < >>Is the reference index of the toxicity of the gas to be tested, +.>The values of->Or->When->When the air to be detected is not harmful to human body, when +.>When the air to be detected has harm to human body, < >>For the explosive reference index of the gas to be measured, +.>The values of->Or->When->When the gas to be detected is not inflammable and explosive gas, when +.>And the gas to be detected belongs to inflammable and explosive gas.
Optionally, the gas monitoring module further comprises a gas concentration information storage sub-module, and the gas concentration information storage sub-module is in communication connection with the gas detector and the control module;
the gas detector also obtains a gas detectorDetecting information of concentration value of the gas to be detected and transmitting the information to a gas concentration information storage sub-module;
the gas concentration information storage submodule is used for storing the first gas detectorInformation of the concentration value of the gas to be detected is detected for the second time and transmitted to the control module;
the system also comprises an external factor monitoring module which is in communication connection with the control module;
The external factor monitoring module is used for monitoring related temperature value, pressure value, flow value and humidity value, and storing external factor influence index, number of days of use of the temperature sensor, temperature factor weight index and temperature sensor firstTemperature value of circumference of gas detector during secondary detection, theoretical temperature value corresponding to normal operation of gas detector, number of days of use of pressure sensor, weight index of pressure factor, and pressure sensor->Pressure value of gas detector circumference side during secondary detection, theoretical pressure value corresponding to gas detector normal operation, usage days of flow sensor, flow factor weight index, and flow sensorThe flow value of the circumference side of the gas detector during secondary detection, the theoretical flow value corresponding to the normal operation of the gas detector, the number of days of use of the first humidity sensor, the number of days of use of the second humidity sensor, the humidity factor weight index, the theoretical humidity value corresponding to the normal operation of the gas detector, the first humidity sensor->The humidity value of the peripheral side of the gas detector and the second humidity sensor are +.>The information of the humidity value of the peripheral side of the gas detector during secondary detection is transmitted to the control module;
The control module calculates the calculated concentration value of the gas to be detected according to the related information and transmits the calculated concentration value to the communication module;
and the communication module transmits information of the calculated concentration value of the gas to be detected to the user side.
Optionally, the external factor monitoring module comprises an external factor information storage sub-module, a temperature monitoring sub-module, a pressure monitoring sub-module, a flow monitoring sub-module and a humidity monitoring sub-module, and the external factor information storage sub-module, the temperature monitoring sub-module, the pressure monitoring sub-module, the flow monitoring sub-module and the humidity monitoring sub-module are all in communication connection with the control module;
the external factor information storage sub-module is used for storing information of external factor influence indexes and transmitting the information to the control module;
the temperature monitoring submodule is used for monitoring related temperature values and storing the number of days of use of the temperature sensor, the weight index of the temperature factors and the first temperature sensorThe temperature value of the circumference side of the gas detector during secondary detection and the information of the theoretical temperature value corresponding to the normal operation of the gas detector are transmitted to the control module;
the pressure monitoring submodule is used for monitoring related pressure values and storing the number of days of use of the pressure sensor, the weight index of the pressure factor and the first pressure sensor The information of the pressure value of the peripheral side of the gas detector and the corresponding theoretical pressure value of the gas detector during normal operation is transmitted to the control module during secondary detection;
the flow monitoring submodule is used for monitoring related flow values and storing the number of days of use of the flow sensor, the flow factor weight index and the first flow sensorThe information of the flow value of the peripheral side of the gas detector and the corresponding theoretical flow value of the gas detector during normal operation is transmitted to the control module during secondary detection;
the humidity monitoring submodule is used for monitoring related humidity values and storing the number of days of use of the first humidity sensor, the number of days of use of the second humidity sensor, a humidity factor weight index, a theoretical humidity value corresponding to the normal operation of the gas detector and the first humidity sensorThe humidity value of the peripheral side of the gas detector and the second humidity sensor are +.>And the information of the humidity value of the circumference side of the gas detector in secondary detection is transmitted to the control module.
Optionally, the temperature monitoring submodule comprises a temperature sensor and a temperature-related information storage unit, and the temperature sensor and the temperature-related information storage unit are both in communication connection with the control module;
The temperature sensor is used for monitoring the related temperature value and obtaining the first temperature sensorInformation of the temperature value of the circumference side of the gas detector during secondary detection is transmitted to the control module;
the temperature related information storage unit is used for storing the information of the number of days of use of the temperature sensor, the temperature factor weight index and the theoretical temperature value corresponding to the normal operation of the gas detector, and transmitting the information to the control module.
Optionally, the pressure monitoring sub-module comprises a pressure sensor and a pressure related information storage unit, and the pressure sensor and the pressure related information storage unit are both in communication connection with the control module;
the pressure sensor is used for monitoring the related pressure value and obtaining the first pressure sensorInformation of the pressure value at the periphery of the gas detector during secondary detection is transmitted to the control module;
the pressure related information storage unit is used for storing the information of the number of days of use of the pressure sensor, the pressure factor weight index and the corresponding theoretical pressure value when the gas detector works normally, and transmitting the information to the control module.
Optionally, the flow monitoring submodule comprises a flow sensor and a flow related information storage unit, and the flow sensor and the flow related information storage unit are both in communication connection with the control module;
The flow sensor is used for monitoring the related flow value and obtaining the first flow sensorThe information of the flow value at the periphery of the gas detector during secondary detection is transmitted to the control module;
the flow related information storage unit is used for storing the information of the number of days of use of the flow sensor, the flow factor weight index and the theoretical flow value corresponding to the normal operation of the gas detector, and transmitting the information to the control module.
Optionally, the humidity monitoring submodule comprises a first humidity sensor, a second humidity sensor and a humidity related information storage unit, and the first humidity sensor, the second humidity sensor and the humidity related information storage unit are all in communication connection with the control module;
the first humidity sensor is used for monitoring the related humidity value and obtaining the first humidity sensorThe information of the humidity value of the peripheral side of the gas detector during secondary detection is transmitted to the control module;
the second humidity sensor is used for monitoring the related humidity value and obtaining the second humidity sensorGas detector for secondary detectionThe information of the humidity value at the periphery is transmitted to the control module;
the humidity related information storage unit is used for storing information of the number of days of use of the first humidity sensor, the number of days of use of the second humidity sensor, the humidity factor weight index and a theoretical humidity value corresponding to the gas detector in normal operation, and transmitting the information to the control module.
Optionally, when the control module calculates the calculated concentration value of the gas to be measured, the following formula is satisfied:
；
；
；
wherein,calculating a concentration value for the gas to be measured,/->For gas detector->The concentration value of the gas to be measured is detected for the second time,for external factors influence index->Is->External factor influence coefficient during secondary detection;
is a temperature sensorDay of use,/->Is the weight index of temperature factors, +.>Is the temperature sensorTemperature value of the circumference of the gas detector during the secondary detection,/->Is the theoretical temperature value corresponding to the normal operation of the gas detector,for the number of days of use of the pressure sensor, +.>Weight index for stress factor->For the pressure sensor->Pressure value of the circumference of the gas detector during the secondary detection,/->For the theoretical pressure value corresponding to the normal operation of the gas detector,/->For the number of days of use of the flow sensor, < >>Weight index for flow factor, +.>For flow sensor->Flow around gas detector during secondary detectionMagnitude of->For the theoretical flow value corresponding to the normal operation of the gas detector,/->For the number of days of use of the first humidity sensor, the first humidity sensor wraps a waterproof breathable film for the corresponding sensing head, and the sensing head is attached to the sensing head>For the number of days of using the second humidity sensor, the second humidity sensor is a corresponding sensing head which is not wrapped with a waterproof breathable film, and the sensing head is a sensing head which is not wrapped with a waterproof breathable film >Weight index for humidity factor, ++>Is->Average humidity value of circumference side of gas detector at secondary detection,/->The theoretical humidity value corresponding to the normal operation of the gas detector;
for the first humidity sensor +>Humidity value of the peripheral side of the gas detector during secondary detection,/->For the second humidity sensor +>The humidity value of the circumference of the gas detector at the time of secondary detection.
The invention also provides a thermal power enterprise greenhouse gas terminal emission monitoring method, which is applied to the thermal power enterprise greenhouse gas terminal emission monitoring system and comprises the following steps:
s1: the gas monitoring module monitors gas, stores information of the number of gas types to be detected, and transmits the information to the control module;
s2: the gas information reference module stores information of the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmfulness reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, and transmits the information to the control module;
s3: the control module calculates a predicted total monitoring frequency reference coefficient according to the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmful reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, calculates actual total monitoring frequency according to the predicted total monitoring frequency reference coefficient and the number of the gas types to be detected, and transmits information of the actual total monitoring frequency to the communication module;
S4: the communication module transmits information of the actual monitoring total times to the user side.
The beneficial effects obtained by the invention are as follows:
1. different types of greenhouse gases can be generated by thermal power enterprises, so that the actual total monitoring times are correspondingly calculated according to the characteristics of the different types of gases, when the gas concentration in a certain time period needs to be acquired, the accuracy of monitoring can be improved through multiple monitoring, and the problems of excessive monitoring and too small monitoring quantity are avoided by limiting the actual total monitoring times;
2. the accuracy of the air pressure detector can be influenced by temperature, air pressure, humidity and flow, so that the control module calculates the calculated concentration value of the air to be detected according to the related information and transmits the calculated concentration value to the communication module, the user side can obtain the concentration of the air close to the actual concentration, the monitoring accuracy and the monitoring accuracy are improved, and the production safety is improved.
For a further understanding of the nature and the technical aspects of the present invention, reference should be made to the following detailed description of the invention and the accompanying drawings, which are provided for purposes of reference only and are not intended to limit the invention.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a temperature monitoring sub-module according to the present invention;
FIG. 3 is a schematic diagram of a pressure monitoring sub-module according to the present invention;
FIG. 4 is a schematic diagram of a flow monitoring sub-module according to the present invention;
FIG. 5 is a schematic view of a humidity monitoring sub-module according to the present invention;
FIG. 6 is a flow chart of the present invention;
fig. 7 is a calculation flow chart of the control module in the second embodiment of the invention.
Detailed Description
The following embodiments of the present invention are described in terms of specific examples, and those skilled in the art will appreciate the advantages and effects of the present invention from the disclosure herein. The invention is capable of other and different embodiments and its several details are capable of modification and variation in various respects, all without departing from the spirit of the present invention. The drawings of the present invention are merely schematic illustrations, and are not drawn to actual dimensions, and are stated in advance. The following embodiments will further illustrate the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
Embodiment one: the embodiment provides a greenhouse gas end emission monitoring system of a thermal power enterprise, which is shown in combination with fig. 1 to 6.
The system comprises a gas monitoring module, a gas information reference module, a control module and a communication module, wherein the gas monitoring module, the gas information reference module and the communication module are all in communication connection with the control module;
the gas monitoring module is used for monitoring gas, storing information of the number of gas types to be detected and transmitting the information to the control module;
the gas information reference module is used for storing information of the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmfulness reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, and transmitting the information to the control module;
the control module calculates a predicted total monitoring frequency reference coefficient according to the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmful reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, calculates actual total monitoring frequency according to the predicted total monitoring frequency reference coefficient and the number of the gas types to be detected, and transmits information of the actual total monitoring frequency to the communication module;
the communication module transmits information of the actual monitoring total times to a user side;
The gas monitoring module comprises a gas detector and a gas type information storage sub-module;
the gas detector is used for monitoring gas and obtaining information of the number of the gas types to be detected, and transmitting the information of the number of the gas types to be detected to the gas type information storage sub-module;
the gas type information storage sub-module is in communication connection with the control module and is used for storing information of the number of gas types to be detected and transmitting the information to the control module.
Optionally, when the control module calculates the actual total monitoring times, the following formula is satisfied:
；
；
wherein,for the actual monitoring of the total number of times +.>As a maximum function>For the number of the gas species to be measured, +.>A reference coefficient for estimating the total monitoring times;
for the corrosive reference index of the gas to be measured, +.>The values of->Or->When->The gas to be tested is not corrosive when +.>When the gas to be detected is corrosive +.>For the reference index of the pollution of the gas to be measured, +.>The values of->Or->When->The gas to be measured has no pollution to the environment, when +. >When the gas to be measured has pollution to the environment, < >>Is the reference index of the toxicity of the gas to be tested, +.>The values of->Or->When->When the air to be detected is not harmful to human body, when +.>When the air to be detected has harm to human body, < >>For the explosive reference index of the gas to be measured, +.>The values of->Or->When->When the gas to be detected is not inflammable and explosive gas, when +.>And the gas to be detected belongs to inflammable and explosive gas.
Optionally, the gas monitoring module further comprises a gas concentration information storage sub-module, and the gas concentration information storage sub-module is in communication connection with the gas detector and the control module;
the gas detector also obtains a gas detectorDetecting information of concentration value of the gas to be detected and transmitting the information to a gas concentration information storage sub-module;
the gas concentration information storage submodule is used for storing the first gas detectorInformation of the concentration value of the gas to be detected is detected for the second time and transmitted to the control module;
the system also comprises an external factor monitoring module which is in communication connection with the control module;
the external factor monitoring module is used for monitoring related temperature value, pressure value, flow value and humidity value, and storing external factor influence index, number of days of use of the temperature sensor, temperature factor weight index and temperature sensor first Temperature value of circumference of gas detector during secondary detection, theoretical temperature value corresponding to normal operation of gas detector, number of days of use of pressure sensor, weight index of pressure factor, and pressure sensor->Pressure value of gas detector circumference side during secondary detection, theoretical pressure value corresponding to gas detector normal operation, usage days of flow sensor, flow factor weight index, and flow sensorThe flow value of the circumference side of the gas detector during secondary detection, the theoretical flow value corresponding to the normal operation of the gas detector, the number of days of use of the first humidity sensor, the number of days of use of the second humidity sensor, the humidity factor weight index, the theoretical humidity value corresponding to the normal operation of the gas detector, the first humidity sensor->The humidity value of the peripheral side of the gas detector and the second humidity sensor are +.>The information of the humidity value of the peripheral side of the gas detector during secondary detection is transmitted to the control module;
the control module calculates the calculated concentration value of the gas to be detected according to the related information and transmits the calculated concentration value to the communication module;
and the communication module transmits information of the calculated concentration value of the gas to be detected to the user side.
Optionally, the external factor monitoring module comprises an external factor information storage sub-module, a temperature monitoring sub-module, a pressure monitoring sub-module, a flow monitoring sub-module and a humidity monitoring sub-module, and the external factor information storage sub-module, the temperature monitoring sub-module, the pressure monitoring sub-module, the flow monitoring sub-module and the humidity monitoring sub-module are all in communication connection with the control module;
The external factor information storage sub-module is used for storing information of external factor influence indexes and transmitting the information to the control module;
the temperature monitoring submodule is used for monitoring related temperature values and storing the number of days of use of the temperature sensor, the weight index of the temperature factors and the first temperature sensorThe temperature value of the circumference side of the gas detector during secondary detection and the information of the theoretical temperature value corresponding to the normal operation of the gas detector are transmitted to the control module;
the pressure monitoring submodule is used for monitoring related pressure values and storing the number of days of use of the pressure sensor, the weight index of the pressure factor and the first pressure sensorThe information of the pressure value of the peripheral side of the gas detector and the corresponding theoretical pressure value of the gas detector during normal operation is transmitted to the control module during secondary detection;
the flow monitoring submodule is used for monitoring related flow values and storing the number of days of use of the flow sensor, the flow factor weight index and the first flow sensorThe information of the flow value of the peripheral side of the gas detector and the corresponding theoretical flow value of the gas detector during normal operation is transmitted to the control module during secondary detection;
the humidity monitoring submodule is used for monitoring related humidity values and storing the number of days of use of the first humidity sensor, the number of days of use of the second humidity sensor, a humidity factor weight index, a theoretical humidity value corresponding to the normal operation of the gas detector and the first humidity sensor The humidity value of the peripheral side of the gas detector and the second humidity sensor are +.>And the information of the humidity value of the circumference side of the gas detector in secondary detection is transmitted to the control module.
Optionally, the temperature monitoring submodule comprises a temperature sensor and a temperature-related information storage unit, and the temperature sensor and the temperature-related information storage unit are both in communication connection with the control module;
the temperature sensor is used for monitoring the related temperature value and obtaining the first temperature sensorInformation of the temperature value of the circumference side of the gas detector during secondary detection is transmitted to the control module;
the temperature related information storage unit is used for storing the information of the number of days of use of the temperature sensor, the temperature factor weight index and the theoretical temperature value corresponding to the normal operation of the gas detector, and transmitting the information to the control module.
Optionally, the pressure monitoring sub-module comprises a pressure sensor and a pressure related information storage unit, and the pressure sensor and the pressure related information storage unit are both in communication connection with the control module;
the pressure sensor is used for monitoring the related pressure value and obtaining the first pressure sensorInformation of the pressure value at the periphery of the gas detector during secondary detection is transmitted to the control module;
The pressure related information storage unit is used for storing the information of the number of days of use of the pressure sensor, the pressure factor weight index and the corresponding theoretical pressure value when the gas detector works normally, and transmitting the information to the control module.
Optionally, the flow monitoring submodule comprises a flow sensor and a flow related information storage unit, and the flow sensor and the flow related information storage unit are both in communication connection with the control module;
the flow sensor is used for monitoring the related flow value and obtaining the first flow sensorThe information of the flow value at the periphery of the gas detector during secondary detection is transmitted to the control module;
the flow related information storage unit is used for storing the information of the number of days of use of the flow sensor, the flow factor weight index and the theoretical flow value corresponding to the normal operation of the gas detector, and transmitting the information to the control module.
Optionally, the humidity monitoring submodule comprises a first humidity sensor, a second humidity sensor and a humidity related information storage unit, and the first humidity sensor, the second humidity sensor and the humidity related information storage unit are all in communication connection with the control module;
the first humidity sensor is used for monitoring the related humidity value and obtaining the first humidity sensor The information of the humidity value of the peripheral side of the gas detector during secondary detection is transmitted to the control module;
the second humidity sensor is used for monitoring the related humidity value and obtaining a second humidity valueHumidity sensor NoThe information of the humidity value of the peripheral side of the gas detector during secondary detection is transmitted to the control module;
the humidity related information storage unit is used for storing information of the number of days of use of the first humidity sensor, the number of days of use of the second humidity sensor, the humidity factor weight index and a theoretical humidity value corresponding to the gas detector in normal operation, and transmitting the information to the control module.
Optionally, when the control module calculates the calculated concentration value of the gas to be measured, the following formula is satisfied:
；
；
；
wherein,calculating a concentration value for the gas to be measured,/->For gas detector->The concentration value of the gas to be measured is detected for the second time,for external factors influence index->Is->External factor influence coefficient during secondary detection;
for days of use of the temperature sensor, < >>Is the weight index of temperature factors, +.>Is the temperature sensorTemperature value of the circumference of the gas detector during the secondary detection,/->Is the theoretical temperature value corresponding to the normal operation of the gas detector,for the number of days of use of the pressure sensor, +.>Weight index for stress factor- >For the pressure sensor->Pressure value of the circumference of the gas detector during the secondary detection,/->For the theoretical pressure value corresponding to the normal operation of the gas detector,/->For the number of days of use of the flow sensor, < >>Weight index for flow factor, +.>For flow sensor->Flow value of the gas detector on the circumference side during the secondary detection,/->For the theoretical flow value corresponding to the normal operation of the gas detector,/->For the number of days of use of the first humidity sensor, the first humidity sensor wraps a waterproof breathable film for the corresponding sensing head, and the sensing head is attached to the sensing head>For the number of days of using the second humidity sensor, the second humidity sensor is a corresponding sensing head which is not wrapped with a waterproof breathable film, and the sensing head is a sensing head which is not wrapped with a waterproof breathable film>Weight index for humidity factor, ++>Is->Average humidity value of circumference side of gas detector at secondary detection,/->The theoretical humidity value corresponding to the normal operation of the gas detector;
for the first humidity sensor +>Humidity value of the peripheral side of the gas detector during secondary detection,/->For the second humidity sensor +>The humidity value of the circumference of the gas detector at the time of secondary detection.
Specifically, the external factor influence index is preset by the staff according to experience, for example, when the staff judges that the temperature value, the pressure value, the flow value and the humidity value are extreme, the second condition is when the staff judges that the temperature value, the pressure value, the flow value and the humidity value are normal, and the value of the external factor influence index corresponding to the first condition is larger than that of the external factor influence index corresponding to the second condition, and the extreme value and the normal value are set by the staff; the temperature factor weight index, the pressure factor weight index, the flow factor weight index and the humidity factor weight index are all related to the model of the gas detector, for example, if a certain gas detector is sensitive to temperature and insensitive to pressure, flow and humidity, the corresponding temperature factor weight index is larger than the pressure factor weight index, the flow factor weight index and the humidity factor weight index.
According to the embodiment, the problem that the traditional monitoring system is too large or too small in monitoring quantity is solved, and specifically, thermal power enterprises can generate different types of greenhouse gases, so that the actual total monitoring times are correspondingly calculated according to the characteristics of the different types of gases, and when the gas concentration in a certain time period needs to be obtained, the problems of excessive monitoring and too small monitoring quantity are avoided by limiting the actual total monitoring times.
In addition, the accuracy of the air pressure detector can be influenced by temperature, air pressure, humidity and flow, so that the control module calculates the calculated concentration value of the air to be detected according to the related information and transmits the calculated concentration value to the communication module, the user side can obtain the concentration of the air closer to the actual air, the monitoring accuracy and the monitoring accuracy are improved, and the production safety is improved.
The embodiment also provides a thermal power enterprise greenhouse gas terminal emission monitoring method, which is applied to the thermal power enterprise greenhouse gas terminal emission monitoring system and comprises the following steps:
s1: the gas monitoring module monitors gas, stores information of the number of gas types to be detected, and transmits the information to the control module;
s2: the gas information reference module stores information of the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmfulness reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, and transmits the information to the control module;
S3: the control module calculates a predicted total monitoring frequency reference coefficient according to the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmful reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, calculates actual total monitoring frequency according to the predicted total monitoring frequency reference coefficient and the number of the gas types to be detected, and transmits information of the actual total monitoring frequency to the communication module;
s4: the communication module transmits information of the actual monitoring total times to the user side.
The monitoring method is simple and convenient, and the information of the actual total monitoring times can be obtained through the control module.
Embodiment two: the embodiment includes the whole content of the first embodiment, and provides a greenhouse gas end emission monitoring system of a thermal power enterprise, which is shown in fig. 7.
The control module is also based on the gas detectorThe method comprises the steps of detecting the concentration value of the gas to be detected, actually monitoring the total times and calculating the concentration value of the gas to be detected, calculating the ratio of the average concentration value of the gas to be detected to the calculated concentration value of the gas to be detected by a gas detector, obtaining alarm information according to the ratio of the average concentration value of the gas to be detected to the calculated concentration value of the gas to be detected by the gas detector, and transmitting the alarm information to a communication module;
The communication module transmits the alarm information to the user side.
When the control module calculates the ratio of the average concentration value of the gas to be detected by the gas detector to the calculated concentration value of the gas to be detected, the following formula is satisfied:
；
wherein,the ratio of the average concentration value of the gas to be detected to the calculated concentration value of the gas to be detected is detected for the gas detector.
When the control module calculates the alarm information, the following formula is satisfied:
；
wherein,for alarm information->For the gas detector to detect the selection threshold value of the ratio of the average concentration value of the gas to be detected and the calculated concentration value of the gas to be detected, when +.>When the ratio is normal, no alarm is needed, when +.>If the ratio is abnormal, an alarm is required.
The problem that traditional monitoring system lacks the warning is solved to this embodiment, specifically, control module calculates the ratio of gas detector to detect the average concentration value of gas and the calculated concentration value of gas that awaits measuring, when above-mentioned ratio is less than the gas detector and detects the selection threshold value of the average concentration value of gas and the calculated concentration value of gas that awaits measuring, then can learn that the gas detector detects the average concentration value of gas and the numerical value phase difference between the calculated concentration value of gas that awaits measuring is great, need the staff to intervene the problem of checking relevant sensor to appear this moment, above-mentioned precision that helps improving the monitoring, the condition that appears great error when reducing the monitoring.
The foregoing disclosure is only a preferred embodiment of the present invention and is not intended to limit the scope of the invention, so that all equivalent technical changes made by the application of the present invention and the accompanying drawings are included in the scope of the invention, and in addition, the elements in the invention can be updated with the technical development.
Claims (9)
1. The greenhouse gas terminal emission monitoring system for the thermal power enterprise is characterized by comprising a gas monitoring module, a gas information reference module, a control module and a communication module, wherein the gas monitoring module, the gas information reference module and the communication module are all in communication connection with the control module;
the gas monitoring module is used for monitoring gas, storing information of the number of gas types to be detected and transmitting the information to the control module;
the gas information reference module is used for storing information of the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmfulness reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, and transmitting the information to the control module;
the control module calculates a predicted total monitoring frequency reference coefficient according to the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmful reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, calculates actual total monitoring frequency according to the predicted total monitoring frequency reference coefficient and the number of the gas types to be detected, and transmits information of the actual total monitoring frequency to the communication module;
The communication module transmits information of the actual monitoring total times to a user side;
the gas monitoring module comprises a gas detector and a gas type information storage sub-module;
the gas detector is used for monitoring gas and obtaining information of the number of the gas types to be detected, and transmitting the information of the number of the gas types to be detected to the gas type information storage sub-module;
the gas type information storage sub-module is in communication connection with the control module, and is used for storing information of the number of gas types to be detected and transmitting the information to the control module; when the control module calculates the actual monitoring total times, the following formula is satisfied:
；
；
wherein,for the actual monitoring of the total number of times +.>As a maximum function>For the number of the gas species to be measured, +.>A reference coefficient for estimating the total monitoring times;
for the corrosive reference index of the gas to be measured, +.>The values of->Or->When->The gas to be tested is not corrosive when +.>When the gas to be detected is corrosive +.>For the reference index of the pollution of the gas to be measured, +.>The values of- >Or->When->When the gas to be measured has no pollution to the environmentWhen the gas to be measured has pollution to the environment, < >>Is the reference index of the toxicity of the gas to be tested, +.>The values of->Or->When->When the air to be detected is not harmful to human body, when +.>When the gas to be measured has the effect of having the effect ofHarmful property (Leptoradix et rhizoma Rhei)>For the explosive reference index of the gas to be measured, +.>The values of->Or (b)When->When the gas to be detected is not inflammable and explosive gas, when +.>And the gas to be detected belongs to inflammable and explosive gas.
2. The greenhouse gas end emission monitoring system of a thermal power enterprise according to claim 1, wherein the gas monitoring module further comprises a gas concentration information storage sub-module, and the gas concentration information storage sub-module is in communication connection with the gas detector and the control module;
the gas detector also obtains a gas detectorDetecting information of concentration value of the gas to be detected and transmitting the information to a gas concentration information storage sub-module;
the gas concentration information storage submodule is used for storing the first gas detectorInformation of the concentration value of the gas to be detected is detected for the second time and transmitted to the control module;
the system also comprises an external factor monitoring module which is in communication connection with the control module;
The external factor monitoring module is used for monitoring related temperature value, pressure value, flow value and humidity value, and storing external factor influence index, number of days of use of the temperature sensor, temperature factor weight index and temperature sensor firstTemperature value of circumference of gas detector during secondary detection, theoretical temperature value corresponding to normal operation of gas detector, number of days of use of pressure sensor, weight index of pressure factor, and pressure sensor->Pressure value of gas detector circumference side during secondary detection, theoretical pressure value corresponding to gas detector normal operation, usage days of flow sensor, flow factor weight index, flow sensor>The flow value of the circumference side of the gas detector during secondary detection, the theoretical flow value corresponding to the normal operation of the gas detector, the number of days of use of the first humidity sensor, the number of days of use of the second humidity sensor, the humidity factor weight index, the theoretical humidity value corresponding to the normal operation of the gas detector, the first humidity sensor->The humidity value of the peripheral side of the gas detector and the second humidity sensor are +.>The information of the humidity value of the peripheral side of the gas detector during secondary detection is transmitted to the control module;
The control module calculates the calculated concentration value of the gas to be detected according to the related information and transmits the calculated concentration value to the communication module;
and the communication module transmits information of the calculated concentration value of the gas to be detected to the user side.
3. The greenhouse gas terminal emission monitoring system of a thermal power enterprise according to claim 2, wherein the external factor monitoring module comprises an external factor information storage sub-module, a temperature monitoring sub-module, a pressure monitoring sub-module, a flow monitoring sub-module and a humidity monitoring sub-module, and the external factor information storage sub-module, the temperature monitoring sub-module, the pressure monitoring sub-module, the flow monitoring sub-module and the humidity monitoring sub-module are all in communication connection with the control module;
the external factor information storage sub-module is used for storing information of external factor influence indexes and transmitting the information to the control module;
the temperature monitoring submodule is used for monitoring related temperature values and storing the number of days of use of the temperature sensor, the weight index of the temperature factors and the first temperature sensorThe temperature value of the circumference side of the gas detector during secondary detection and the information of the theoretical temperature value corresponding to the normal operation of the gas detector are transmitted to the control module;
the pressure monitoring submodule is used for monitoring related pressure values and storing the number of days of use of the pressure sensor, the weight index of the pressure factor and the first pressure sensor The information of the pressure value of the peripheral side of the gas detector and the corresponding theoretical pressure value of the gas detector during normal operation is transmitted to the control module during secondary detection;
the flow monitoring submodule is used for monitoring related flow values and storing the number of days of use of the flow sensor, the flow factor weight index and the first flow sensorThe information of the flow value of the peripheral side of the gas detector and the corresponding theoretical flow value of the gas detector during normal operation is transmitted to the control module during secondary detection;
the humidity monitoring submodule is used for monitoring phasesThe off humidity value is used for storing the number of days of use of the first humidity sensor, the number of days of use of the second humidity sensor, the humidity factor weight index, the theoretical humidity value corresponding to the gas detector in normal operation, and the first humidity sensorThe humidity value of the peripheral side of the gas detector and the second humidity sensor are +.>And the information of the humidity value of the circumference side of the gas detector in secondary detection is transmitted to the control module.
4. A thermal power plant greenhouse gas end emission monitoring system as claimed in claim 3, wherein the temperature monitoring submodule comprises a temperature sensor and a temperature-related information storage unit, and the temperature sensor and the temperature-related information storage unit are both in communication connection with the control module;
The temperature sensor is used for monitoring the related temperature value and obtaining the first temperature sensorInformation of the temperature value of the circumference side of the gas detector during secondary detection is transmitted to the control module;
the temperature related information storage unit is used for storing the information of the number of days of use of the temperature sensor, the temperature factor weight index and the theoretical temperature value corresponding to the normal operation of the gas detector, and transmitting the information to the control module.
5. The greenhouse gas end emission monitoring system of a thermal power enterprise according to claim 4, wherein the pressure monitoring sub-module comprises a pressure sensor and a pressure related information storage unit, and the pressure sensor and the pressure related information storage unit are in communication connection with the control module;
the pressure sensor is used for monitoring the related pressure value and obtaining the first pressure sensorInformation of the pressure value at the periphery of the gas detector during secondary detection is transmitted to the control module;
the pressure related information storage unit is used for storing the information of the number of days of use of the pressure sensor, the pressure factor weight index and the corresponding theoretical pressure value when the gas detector works normally, and transmitting the information to the control module.
6. The greenhouse gas end emission monitoring system of thermal power enterprises according to claim 5, wherein the flow monitoring submodule comprises a flow sensor and a flow related information storage unit, and the flow sensor and the flow related information storage unit are in communication connection with the control module;
The flow sensor is used for monitoring the related flow value and obtaining the first flow sensorThe information of the flow value at the periphery of the gas detector during secondary detection is transmitted to the control module;
the flow related information storage unit is used for storing the information of the number of days of use of the flow sensor, the flow factor weight index and the theoretical flow value corresponding to the normal operation of the gas detector, and transmitting the information to the control module.
7. The greenhouse gas end emission monitoring system of thermal power enterprises according to claim 6, wherein the humidity monitoring submodule comprises a first humidity sensor, a second humidity sensor and a humidity related information storage unit, and the first humidity sensor, the second humidity sensor and the humidity related information storage unit are all in communication connection with the control module;
the first humidity sensor is used for monitoring the related humidity value and obtaining the first humidity sensorHumidity of circumference of gas detector during secondary detectionInformation of the value is transmitted to the control module;
the second humidity sensor is used for monitoring the related humidity value and obtaining the second humidity sensorThe information of the humidity value of the peripheral side of the gas detector during secondary detection is transmitted to the control module;
The humidity related information storage unit is used for storing information of the number of days of use of the first humidity sensor, the number of days of use of the second humidity sensor, the humidity factor weight index and a theoretical humidity value corresponding to the gas detector in normal operation, and transmitting the information to the control module.
8. The system for monitoring the emission of greenhouse gases from a thermal power plant as claimed in claim 7, wherein the control module calculates the calculated concentration value of the gas to be measured so as to satisfy the following equation:
；
；
；
wherein,calculating a concentration value for the gas to be measured,/->For gas detector->Detecting the concentration value of the gas to be detected for the second time, +.>For external factors influence index->Is->External factor influence coefficient during secondary detection;
for days of use of the temperature sensor, < >>Is the weight index of temperature factors, +.>For temperature sensor->Temperature value of the circumference of the gas detector during the secondary detection,/->Is the theoretical temperature value corresponding to the normal operation of the gas detector,/->For the number of days of use of the pressure sensor, +.>Weight index for stress factor->For the pressure sensor->Pressure value of the circumference of the gas detector during the secondary detection,/->For the theoretical pressure value corresponding to the normal operation of the gas detector,/->For the number of days of use of the flow sensor, < > >Weight index for flow factor, +.>For flow sensor->Flow value of the gas detector on the circumference side during the secondary detection,/->For the theoretical flow value corresponding to the normal operation of the gas detector,/->For the number of days of use of the first humidity sensor, the first humidity sensor wraps a waterproof breathable film for the corresponding sensing head, and the sensing head is attached to the sensing head>For the number of days of using the second humidity sensor, the second humidity sensor is a corresponding sensing head which is not wrapped with a waterproof breathable film, and the sensing head is a sensing head which is not wrapped with a waterproof breathable film>Weight index for humidity factor, ++>Is the firstAverage humidity value of circumference side of gas detector at secondary detection,/->The theoretical humidity value corresponding to the normal operation of the gas detector;
for the first humidity sensor +>Humidity value of the peripheral side of the gas detector during secondary detection,/->For the second humidity sensor +>The humidity value of the circumference of the gas detector at the time of secondary detection.
9. A thermal power enterprise greenhouse gas terminal emission monitoring method, which is applied to the thermal power enterprise greenhouse gas terminal emission monitoring system according to any one of claims 1-8, and is characterized by comprising the following steps:
s1: the gas monitoring module monitors gas, stores information of the number of gas types to be detected, and transmits the information to the control module;
s2: the gas information reference module stores information of the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmfulness reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, and transmits the information to the control module;
S3: the control module calculates a predicted total monitoring frequency reference coefficient according to the corrosiveness reference index of the gas to be detected, the pollution reference index of the gas to be detected, the harmful reference index of the gas to be detected and the explosiveness reference index of the gas to be detected, calculates actual total monitoring frequency according to the predicted total monitoring frequency reference coefficient and the number of the gas types to be detected, and transmits information of the actual total monitoring frequency to the communication module;
s4: the communication module transmits information of the actual monitoring total times to the user side.
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