A flue gas pretreatment system and method for a portable flue gas analyzer
By detecting and analyzing the internal and external flue gas pipelines of the portable flue gas analyzer, the environmental compliance index and the operation safety compliance index are calculated, and pre-treatment and adjustments are made based on the detection results, the shortcomings of flue gas pretreatment systems in the existing technology are solved. The problem of the analyzer improves the environmental efficiency and operational safety of the analyzer.
Patent Information
- Application Number
- CN202411457946.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2044-10-18
AI Technical Summary
The flue gas pretreatment system of the existing portable flue gas analyzer has shortcomings in the environmental compliance index and operational safety compliance index of internal and external flue gas pipelines, resulting in inaccurate measurement results, increased pollutant generation and increased risk of pipeline accidents.
The system adopts a system including an internal flue gas pipeline detection module, an internal flue gas pipeline analysis module, an external flue gas pipeline detection module and an external flue gas pipeline analysis module, and the portable flue gas analyzer is used to make the flue gas analyzer through the flue gas quality meter and electrochemical flue gas sensor. Internal and external flue gas pipelines are inspected and analyzed, and the environmental compliance index is calculated and the operational safety compliance index is calculated, and pre-processed and adjusted according to the detection results.
The environmental protection efficiency and energy utilization efficiency of the internal flue gas pipeline of the flue gas analyzer are improved, and pollutant generation is reduced. At the same time, the operation safety of the external flue gas pipeline is improved and the incidence of pipeline accidents is reduced.
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Figure CN118980733B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of portable flue gas analyzers, and in particular to a flue gas pretreatment system and method for a portable flue gas analyzer. Background Art
[0002] With the continuous advancement of technology, the design of flue gas analyzers is becoming more portable and easy to carry to different measurement sites for rapid testing. It can display measurement data in real time, allowing users to take immediate action. However, since the temperature and humidity of the external environment affect the accuracy and stability of the sensor, it is not possible to accurately measure the flue gas, and flue gas pretreatment of portable flue gas analyzers is necessary.
[0003] The existing flue gas pretreatment technology for portable analyzers can meet the basic requirements, but there are also some potential defects and challenges, which are specifically reflected in the following aspects:
[0004] 1. The research on the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer in the prior art is not in-depth enough. The amount of fly ash, the amount of unburned carbon particles and the sulfur content in the internal flue gas duct have a crucial impact on the flue gas treatment of the portable flue gas analyzer. Since the flue gas analyzer is easily contaminated during the measurement process, the accuracy of the measurement result is affected, and the problem of interference of the sulfur content on the measurement result is increased. The environmental protection effect of the portable flue gas treatment cannot be reflected in time, thereby reducing the environmental protection efficiency of the flue gas, reducing the energy utilization efficiency and increasing the generation of pollutants.
[0005] 2. In the prior art, insufficient attention is paid to the operational safety compliance index of the external smoke duct of the portable smoke analyzer, resulting in the inability to effectively identify the gap value of the external smoke duct of the portable smoke analyzer, affecting the safe operation of the external smoke duct, thereby increasing the occurrence of problems with damaged points in the external smoke duct, reducing the operating efficiency of the duct, and increasing the incidence of duct accidents. Summary of the invention
[0006] The purpose of the present invention is to provide a flue gas pretreatment system and method for a portable flue gas analyzer, which solves the problems existing in the background technology.
[0007] To solve the above technical problems, the present invention adopts the following technical solutions: In the first aspect, a flue gas pretreatment system of a portable flue gas analyzer, the method comprising the following modules: an internal flue gas duct detection module: used to detect the internal flue gas duct of the portable analyzer through a flue gas mass spectrometer, and then obtain the detection data of the internal flue gas duct of the portable flue gas analyzer, wherein the detection data of the internal flue gas duct includes internal flue combustion detection data and internal flue gas detection data.
[0008] Internal smoke duct analysis module: based on the obtained detection data of the internal smoke duct of the portable smoke analyzer, analyze the environmental compliance index of the internal smoke duct of the portable smoke analyzer.
[0009] External smoke duct detection module: used to detect the external smoke duct of the portable smoke analyzer through electrochemical smoke sensors and scanners, and then obtain the temperature, humidity, pressure, gap value, depression value and current attenuation value of the external smoke duct of the portable smoke analyzer in each time period, and analyze the appearance safety performance index and appearance function qualification performance index of the external smoke duct of the portable smoke analyzer.
[0010] External smoke duct analysis module: Based on the obtained appearance safety performance index and appearance function qualification performance index of the external smoke duct of the portable smoke analyzer, the operation safety compliance index of the external smoke duct of the portable smoke analyzer is analyzed.
[0011] Flue gas duct pretreatment adjustment: Based on the obtained concentration compliance index of the internal flue gas duct of the portable flue gas analyzer and the operational safety compliance index of the external flue gas duct of the portable flue gas analyzer, the portable analyzer is pretreated and adjusted.
[0012] Furthermore, the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer is analyzed by a specific analysis method: internal flue combustion detection data and internal flue gas detection data are extracted from the detection data of the internal flue gas duct of the portable flue gas analyzer, wherein the internal flue combustion detection data includes the amount of fly ash and the amount of unburned carbon particles in each time period, and the internal flue gas detection data includes the sulfur content and nitrogen value in each time period, and the combustion qualification index and gas content compliance index of the internal flue gas duct of the portable flue gas analyzer are analyzed.
[0013] The specific formula for analyzing the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer is: ,in Expressed as the combustion acceptance index of the internal flue gas duct of the portable flue gas analyzer, Expressed as a compliance index for the gas content of the internal flue gas duct of a portable flue gas analyser.
[0014] Furthermore, the combustion compliance index of the internal flue gas duct of the portable flue gas analyzer is specifically analyzed by obtaining the reference amount of fly ash and the reference amount of unburned carbon particles in the internal flue gas duct from the database, and based on the obtained fly ash amount of the internal flue gas duct of the portable flue gas analyzer in each time period, analyzing the floating smoke compliance index of the internal flue gas duct of the portable flue gas analyzer, and the specific calculation formula is: ,in Expressed as a reference quantity of fly ash for the internal flue gas duct of a portable flue gas analyser, Indicates the number of internal flue gas ducts of portable flue gas analyzers. The amount of fly ash in a time period, , The number of time periods expressed as internal flue gas ducting.
[0015] Based on the floating smoke compliance index of the internal flue gas duct of the portable flue gas analyzer, the combustion compliance index of the internal flue gas duct of the portable flue gas analyzer is analyzed, and the specific formula is: ,in Expressed as the floating smoke compliance index of the internal smoke duct of the portable smoke analyzer, Expressed as the downdraft smoke compliance index for the internal flue gas duct of a portable flue gas analyser.
[0016] Furthermore, the specific analysis method of the compliance index of the sinking smoke dust of the internal smoke duct of the portable smoke analyzer is as follows: based on the obtained number of unburned carbon particles in each time period of the internal smoke duct of the portable smoke analyzer, the compliance index of the sinking smoke dust of the internal smoke duct of the portable smoke analyzer is analyzed, and the specific calculation formula is: ,in Expressed as a reference number of unburned carbon particles in the internal flue gas duct of a portable flue gas analyser, Indicates the number of internal flue gas ducts of portable flue gas analyzers. The number of unburned carbon particles in a certain period of time.
[0017] Furthermore, the gas content of the internal flue gas duct of the portable flue gas analyzer conforms to the index, and the specific analysis method is: obtaining the sulfur content of the internal flue gas duct of the portable flue gas analyzer in each time period from the database, screening the maximum sulfur content and the minimum sulfur content of the internal flue gas duct of the portable flue gas analyzer, and then constructing a reference range of the sulfur content of the internal flue gas duct of the portable flue gas analyzer.
[0018] The sulfur content of the internal flue gas duct of the portable flue gas analyzer at each time period is compared with the sulfur content reference range of the internal flue gas duct of the portable flue gas analyzer. If the sulfur content of the internal flue gas duct of the portable flue gas analyzer at a certain time period is within the sulfur content reference range, the chemical reaction qualified index of the internal flue gas duct of the portable flue gas analyzer at that time period is recorded as , otherwise, it is recorded as , get the qualified index of active chemical reaction at each time point of the internal flue gas duct of the portable flue gas analyzer ,in The value of or , .
[0019] Similarly, analyze the chemical reaction qualification index of the internal flue gas duct of the portable flue gas analyzer at each time point. .
[0020] The gas content of the internal flue gas duct of the portable flue gas analyzer meets the index, and the specific formula is: .
[0021] Furthermore, the analysis of the operational safety compliance index of the external smoke duct of the portable smoke analyzer is specifically performed by: based on the obtained temperature, humidity, pressure, gap value, depression value and current attenuation value of the external smoke duct of the portable smoke analyzer in each time period, analyzing the appearance safety performance index and appearance function qualified performance index of the external smoke duct of the portable smoke analyzer, and then analyzing the operational safety compliance index of the external smoke duct of the portable smoke analyzer, and the specific formula is: ,in Expressed as the external smoke duct appearance safety performance index of the portable smoke analyzer, Expressed as an acceptable performance index for the appearance function of the external flue gas duct of a portable flue gas analyser.
[0022] Furthermore, the appearance safety performance index of the external smoke duct of the portable smoke analyzer is specifically analyzed by obtaining the reference temperature, reference humidity and reference pressure of the external smoke duct of the portable smoke analyzer from the database, and analyzing the appearance safety performance index of the external smoke duct of the portable smoke analyzer. The specific calculation formula is: ,in , , Expressed as the reference temperature, reference humidity, and reference pressure of the external flue gas duct of the portable flue gas analyzer, , , The external flue gas duct of the portable flue gas analyzer Temperature, humidity, pressure in a certain period of time, , The number of time periods expressed as external flue gas ducting.
[0023] Furthermore, the appearance function qualified performance index of the external smoke duct of the portable smoke analyzer is specifically analyzed by: obtaining the reference gap value and reference depression value of the external smoke duct of the portable smoke analyzer from the database, and analyzing the surface conformity index of the external smoke duct of the portable smoke analyzer based on the detected gap value and depression value of the external smoke duct of the portable smoke analyzer in each time period, and the specific calculation formula is: ,in , Expressed as the reference gap value and reference depression value of the external flue gas duct of the portable flue gas analyzer, , The external flue gas duct of the portable flue gas analyzer The gap value and depression value of each time period.
[0024] Based on the detected current attenuation values of the external smoke duct of the portable smoke analyzer in each time period, the current attenuation values of the external smoke duct of the portable smoke analyzer in each time period are averaged to obtain the average current attenuation value of the external smoke duct of the portable smoke analyzer, and the average current attenuation value of the external smoke duct of the portable smoke analyzer is compared with the qualified interval of the average current attenuation value of the external smoke duct of the portable smoke analyzer in the database. If the average current attenuation value of the external smoke duct of the portable smoke analyzer is within the qualified interval of the average current attenuation value, the damage point index of the external smoke duct of the portable smoke analyzer is recorded as , otherwise, record it as , get the damage point index of the external flue gas duct of the portable flue gas analyzer at each time period , The value of or ,in .
[0025] Analyze the appearance function qualified performance index of the external flue gas duct of the portable flue gas analyzer. The specific calculation formula is: .
[0026] Furthermore, the preprocessing adjustment of the portable analyzer is performed, and its specific analysis method is: obtaining the environmental compliance index threshold of the internal flue gas duct of the portable flue gas analyzer from the database, and comparing the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer with the predefined environmental compliance index threshold of the internal flue gas duct of the portable flue gas analyzer; if the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer is less than the predefined environmental compliance index threshold, adjusting the internal flue gas duct of the portable analyzer to remind the staff to remove particulate matter from the portable analyzer.
[0027] The operational safety compliance index threshold of the external smoke duct of the portable flue gas analyzer is obtained from the database, and the operational safety compliance index of the external smoke duct of the portable flue gas analyzer is compared with the predefined operational safety compliance index threshold of the external smoke duct of the portable flue gas analyzer. If the operational safety compliance index of the external smoke duct of the portable flue gas analyzer is less than the operational safety compliance index threshold, the operational safety compliance index difference of the external smoke duct of the portable flue gas analyzer is obtained, and the difference is multiplied by the content of desiccant corresponding to the unit operational safety compliance index difference stored in the database to obtain the required content of desiccant for the portable flue gas analyzer, and then the external smoke duct of the portable analyzer is adjusted.
[0028] A second aspect of the present invention provides a method for executing a flue gas pretreatment system of a portable flue gas analyzer, comprising: step one, internal flue gas duct detection: used to detect the internal flue gas duct of the portable analyzer through a flue gas mass spectrometer, and then obtain detection data of the internal flue gas duct of the portable flue gas analyzer, wherein the detection data of the internal flue gas duct includes internal flue combustion detection data and internal flue gas detection data.
[0029] Step 2: Internal smoke duct analysis: Based on the obtained detection data of the internal smoke duct of the portable smoke analyzer, analyze the environmental compliance index of the internal smoke duct of the portable smoke analyzer.
[0030] Step 3. External smoke duct detection: It is used to detect the external smoke duct of the portable smoke analyzer through the electrochemical smoke sensor and the scanner, and then obtain the temperature, humidity, pressure, gap value, depression value and current attenuation value of the external smoke duct of the portable smoke analyzer in each time period, and analyze the appearance safety performance index and appearance function qualification performance index of the external smoke duct of the portable smoke analyzer.
[0031] Step 4: External smoke duct analysis: Based on the obtained appearance safety performance index and appearance function qualification performance index of the external smoke duct of the portable smoke analyzer, analyze the operation safety compliance index of the external smoke duct of the portable smoke analyzer.
[0032] Step 5, flue gas duct pretreatment adjustment: based on the obtained concentration compliance index of the internal flue gas duct of the portable flue gas analyzer and the operational safety compliance index of the external flue gas duct of the portable flue gas analyzer, pretreatment adjustment is performed on the portable analyzer.
[0033] The beneficial effects of the present invention are: 1. In the internal flue gas duct analysis module, based on the obtained internal flue combustion detection data and internal flue gas detection data, the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer is analyzed, thereby reducing the problem of interference of sulfur content on the measurement results, and timely reflecting the environmental protection effect of portable flue gas treatment, thereby improving the flue gas environmental protection efficiency, improving energy utilization efficiency and reducing the occurrence of pollutant generation.
[0034] 2. In the external flue gas duct analysis module, based on the appearance safety performance index and appearance function qualification performance index of the external flue gas duct of the portable flue gas analyzer, the operation safety compliance index of the external flue gas duct of the portable flue gas analyzer is analyzed, which reduces the occurrence of problems with damaged points in the external flue gas duct, improves the operation efficiency of the duct, and thereby reduces the incidence of duct accidents. BRIEF DESCRIPTION OF THE DRAWINGS
[0035] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0036] Figure 1 It is a schematic diagram of the system structure connection of the present invention.
[0037] Figure 2 The present invention is a schematic flow chart of the steps for implementing the method. DETAILED DESCRIPTION
[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0039] Reference Figure 1 As shown, the present invention provides a flue gas pretreatment system for a portable flue gas analyzer, comprising: an internal flue gas duct detection module, an internal flue gas duct analysis module, an external flue gas duct detection module, an external flue gas duct analysis module and a flue gas duct pretreatment adjustment.
[0040] It should be noted that the internal smoke duct detection module is connected to the internal smoke duct analysis module, the external smoke duct detection module is connected to the external smoke duct analysis module, the internal smoke duct analysis module is connected to the smoke duct pretreatment adjustment, the internal smoke duct analysis module is connected to the database, the external smoke duct analysis module is connected to the smoke duct pretreatment adjustment, and the external smoke duct analysis module is connected to the database.
[0041] It should be noted that the database is used to store the reference amount of fly ash, the reference amount of unburned carbon particles, the sulfur content, the nitrogen value of the internal flue gas duct, and the temperature, humidity, pressure, gap value, depression value, and current attenuation value of the external flue gas duct at each time period.
[0042] Internal flue gas duct detection module: used to detect the internal flue gas duct of the portable analyzer through a flue gas mass spectrometer, and then obtain the detection data of the internal flue gas duct of the portable flue gas analyzer, wherein the detection data of the internal flue gas duct includes internal flue combustion detection data and internal flue gas detection data.
[0043] Internal smoke duct analysis module: based on the obtained detection data of the internal smoke duct of the portable smoke analyzer, analyze the environmental compliance index of the internal smoke duct of the portable smoke analyzer.
[0044] In the above embodiment, the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer is analyzed by a specific analysis method as follows: internal flue combustion detection data and internal flue gas detection data are extracted from the detection data of the internal flue gas duct of the portable flue gas analyzer, wherein the internal flue combustion detection data includes the amount of fly ash and the amount of unburned carbon particles in each time period, and the internal flue gas detection data includes the sulfur content and nitrogen value in each time period, and the combustion qualification index and gas content compliance index of the internal flue gas duct of the portable flue gas analyzer are analyzed.
[0045] The specific formula for analyzing the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer is: ,in Expressed as the combustion acceptance index of the internal flue gas duct of the portable flue gas analyzer, Expressed as a compliance index for the gas content of the internal flue gas duct of a portable flue gas analyser.
[0046] In the above embodiment, the combustion compliance index of the internal flue gas duct of the portable flue gas analyzer is specifically analyzed by obtaining the reference amount of fly ash and the reference amount of unburned carbon particles in the internal flue gas duct from the database, and based on the obtained fly ash amount of the internal flue gas duct of the portable flue gas analyzer in each time period, analyzing the floating smoke compliance index of the internal flue gas duct of the portable flue gas analyzer, and the specific calculation formula is: ,in Expressed as a reference quantity of fly ash for the internal flue gas duct of a portable flue gas analyser, Indicates the number of internal flue gas ducts of portable flue gas analyzers. The amount of fly ash in a time period, , The number of time periods expressed as internal flue gas ducting.
[0047] Based on the floating smoke compliance index of the internal flue gas duct of the portable flue gas analyzer, the combustion compliance index of the internal flue gas duct of the portable flue gas analyzer is analyzed, and the specific formula is: ,in Expressed as the floating smoke compliance index of the internal smoke duct of the portable smoke analyzer, Expressed as the downdraft smoke compliance index for the internal flue gas duct of a portable flue gas analyser.
[0048] In the above embodiment, the sinking smoke dust compliance index of the internal smoke duct of the portable smoke analyzer is analyzed by a specific analysis method: based on the obtained number of unburned carbon particles in each time period of the internal smoke duct of the portable smoke analyzer, the sinking smoke dust compliance index of the internal smoke duct of the portable smoke analyzer is analyzed, and the specific calculation formula is: ,in Expressed as a reference number of unburned carbon particles in the internal flue gas duct of a portable flue gas analyser, Indicates the number of internal flue gas ducts of portable flue gas analyzers. The number of unburned carbon particles in a certain period of time.
[0049] In the above embodiment, the gas content of the internal flue gas duct of the portable flue gas analyzer conforms to the index, and the specific analysis method is: obtaining the sulfur content of the internal flue gas duct of the portable flue gas analyzer in each time period from the database, screening the maximum sulfur content and the minimum sulfur content of the internal flue gas duct of the portable flue gas analyzer, and then constructing a reference range of the sulfur content of the internal flue gas duct of the portable flue gas analyzer.
[0050] The sulfur content of the internal flue gas duct of the portable flue gas analyzer at each time period is compared with the sulfur content reference range of the internal flue gas duct of the portable flue gas analyzer. If the sulfur content of the internal flue gas duct of the portable flue gas analyzer at a certain time period is within the sulfur content reference range, the chemical reaction qualified index of the internal flue gas duct of the portable flue gas analyzer at that time period is recorded as , otherwise, it is recorded as , get the qualified index of active chemical reaction at each time point of the internal flue gas duct of the portable flue gas analyzer ,in The value of or , .
[0051] Similarly, analyze the chemical reaction qualification index of the internal flue gas duct of the portable flue gas analyzer at each time point. .
[0052] The gas content of the internal flue gas duct of the portable flue gas analyzer meets the index, and the specific formula is: .
[0053] In the internal flue gas duct analysis module, based on the internal flue combustion detection data and internal flue gas detection data obtained, the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer is analyzed, reducing the problem of interference of sulfur content on the measurement results, and timely reflecting the environmental protection effect of portable flue gas treatment, thereby improving the flue gas environmental protection efficiency, improving energy utilization efficiency and reducing the occurrence of pollutant generation.
[0054] External smoke duct detection module: used to detect the external smoke duct of the portable smoke analyzer through electrochemical smoke sensors and scanners, and then obtain the temperature, humidity, pressure, gap value, depression value and current attenuation value of the external smoke duct of the portable smoke analyzer in each time period, and analyze the appearance safety performance index and appearance function qualification performance index of the external smoke duct of the portable smoke analyzer.
[0055] External smoke duct analysis module: Based on the obtained appearance safety performance index and appearance function qualification performance index of the external smoke duct of the portable smoke analyzer, the operation safety compliance index of the external smoke duct of the portable smoke analyzer is analyzed.
[0056] In the above embodiment, the operation safety compliance index of the external smoke duct of the portable smoke analyzer is analyzed by a specific analysis method: based on the obtained temperature, humidity, pressure, gap value, depression value and current attenuation value of the external smoke duct of the portable smoke analyzer in each time period, the appearance safety performance index and appearance function qualified performance index of the external smoke duct of the portable smoke analyzer are analyzed, and then the operation safety compliance index of the external smoke duct of the portable smoke analyzer is analyzed, and the specific formula is: ,in Expressed as the external smoke duct appearance safety performance index of the portable smoke analyzer, Expressed as an acceptable performance index for the appearance function of the external flue gas duct of a portable flue gas analyser.
[0057] In the above embodiment, the appearance safety performance index of the external smoke duct of the portable smoke analyzer is specifically analyzed by obtaining the reference temperature, reference humidity and reference pressure of the external smoke duct of the portable smoke analyzer from the database, and analyzing the appearance safety performance index of the external smoke duct of the portable smoke analyzer. The specific calculation formula is: ,in , , Expressed as the reference temperature, reference humidity, and reference pressure of the external flue gas duct of the portable flue gas analyzer, , , The external flue gas duct of the portable flue gas analyzer Temperature, humidity, pressure in a certain period of time, , The number of time periods expressed as external flue gas ducting.
[0058] In the above embodiment, the appearance function qualified performance index of the external smoke duct of the portable smoke analyzer is specifically analyzed by: obtaining the reference gap value and reference depression value of the external smoke duct of the portable smoke analyzer from the database, and analyzing the surface conformity index of the external smoke duct of the portable smoke analyzer based on the detected gap value and depression value of the external smoke duct of the portable smoke analyzer in each time period. The specific calculation formula is: ,in , Expressed as the reference gap value and reference depression value of the external flue gas duct of the portable flue gas analyzer, , The external flue gas duct of the portable flue gas analyzer The gap value and depression value of each time period.
[0059] Based on the detected current attenuation values of the external smoke duct of the portable smoke analyzer in each time period, the current attenuation values of the external smoke duct of the portable smoke analyzer in each time period are averaged to obtain the average current attenuation value of the external smoke duct of the portable smoke analyzer, and the average current attenuation value of the external smoke duct of the portable smoke analyzer is compared with the qualified interval of the average current attenuation value of the external smoke duct of the portable smoke analyzer in the database. If the average current attenuation value of the external smoke duct of the portable smoke analyzer is within the qualified interval of the average current attenuation value, the damage point index of the external smoke duct of the portable smoke analyzer is recorded as , otherwise, record it as , get the damage point index of the external flue gas duct of the portable flue gas analyzer at each time period , The value of or ,in .
[0060] Analyze the appearance function qualified performance index of the external flue gas duct of the portable flue gas analyzer. The specific calculation formula is: .
[0061] In the external flue gas duct analysis module, based on the appearance safety performance index and appearance function qualification performance index of the external flue gas duct of the portable flue gas analyzer, the operation safety compliance index of the external flue gas duct of the portable flue gas analyzer is analyzed, which reduces the occurrence of problems with damaged points in the external flue gas duct, improves the operation efficiency of the duct, and thereby reduces the incidence of duct accidents.
[0062] Flue gas duct pretreatment adjustment: Based on the obtained concentration compliance index of the internal flue gas duct of the portable flue gas analyzer and the operational safety compliance index of the external flue gas duct of the portable flue gas analyzer, the portable analyzer is pretreated and adjusted.
[0063] In the above embodiment, the pre-processing adjustment of the portable analyzer is performed, and its specific analysis method is: obtaining the environmental compliance index threshold of the internal flue gas duct of the portable flue gas analyzer from the database, and comparing the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer with the predefined environmental compliance index threshold of the internal flue gas duct of the portable flue gas analyzer; if the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer is less than the predefined environmental compliance index threshold, the internal flue gas duct of the portable analyzer is adjusted to remind the staff to remove particulate matter from the portable analyzer.
[0064] The operational safety compliance index threshold of the external smoke duct of the portable flue gas analyzer is obtained from the database, and the operational safety compliance index of the external smoke duct of the portable flue gas analyzer is compared with the predefined operational safety compliance index threshold of the external smoke duct of the portable flue gas analyzer. If the operational safety compliance index of the external smoke duct of the portable flue gas analyzer is less than the operational safety compliance index threshold, the operational safety compliance index difference of the external smoke duct of the portable flue gas analyzer is obtained, and the difference is multiplied by the content of desiccant corresponding to the unit operational safety compliance index difference stored in the database to obtain the required content of desiccant for the portable flue gas analyzer, and then the external smoke duct of the portable analyzer is adjusted.
[0065] It should be noted that the operational safety compliance index difference of the external smoke duct of the portable smoke analyzer is obtained by subtracting the operational safety compliance index of the external smoke duct of the portable smoke analyzer from the predefined operational safety compliance index threshold of the external smoke duct of the portable smoke analyzer.
[0066] Reference Figure 2 As shown, the second aspect of the present invention provides a method for executing a flue gas pretreatment system of a portable flue gas analyzer, comprising: step one, internal flue gas duct detection: used to detect the internal flue gas duct of the portable analyzer through a flue gas mass spectrometer, and then obtain the detection data of the internal flue gas duct of the portable flue gas analyzer, wherein the detection data of the internal flue gas duct includes internal flue combustion detection data and internal flue gas detection data.
[0067] Step 2: Internal smoke duct analysis: Based on the obtained detection data of the internal smoke duct of the portable smoke analyzer, analyze the environmental compliance index of the internal smoke duct of the portable smoke analyzer.
[0068] Step 3. External smoke duct detection: It is used to detect the external smoke duct of the portable smoke analyzer through the electrochemical smoke sensor and the scanner, and then obtain the temperature, humidity, pressure, gap value, depression value and current attenuation value of the external smoke duct of the portable smoke analyzer in each time period, and analyze the appearance safety performance index and appearance function qualification performance index of the external smoke duct of the portable smoke analyzer.
[0069] Step 4: External smoke duct analysis: Based on the obtained appearance safety performance index and appearance function qualification performance index of the external smoke duct of the portable smoke analyzer, analyze the operation safety compliance index of the external smoke duct of the portable smoke analyzer.
[0070] Step 5, flue gas duct pretreatment adjustment: based on the obtained concentration compliance index of the internal flue gas duct of the portable flue gas analyzer and the operational safety compliance index of the external flue gas duct of the portable flue gas analyzer, pretreatment adjustment is performed on the portable analyzer.
[0071] The above contents are merely examples and explanations of the concept of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the concept of the invention or exceed the scope defined by the present invention, they shall all fall within the protection scope of the present invention.
Claims
1. A flue gas pretreatment system for a portable flue gas analyzer, characterized in that: include: Internal smoke duct detection module: used to detect the internal smoke duct of the portable analyzer through the smoke gas mass spectrometer, and then obtain the detection data of the internal smoke duct of the portable smoke analyzer, wherein the detection data of the internal smoke duct includes internal smoke duct combustion detection data and internal smoke duct gas detection data; Internal smoke duct analysis module: based on the obtained detection data of the internal smoke duct of the portable smoke analyzer, analyze the environmental compliance index of the internal smoke duct of the portable smoke analyzer; Extracting internal flue combustion detection data and internal flue gas detection data from the detection data of the internal flue gas duct of the portable flue gas analyzer, wherein the internal flue combustion detection data includes the amount of fly ash and the amount of unburned carbon particles in each time period, and the internal flue gas detection data includes the sulfur content and nitrogen value in each time period, and analyzing the combustion qualified index and gas content compliance index of the internal flue gas duct of the portable flue gas analyzer; The specific formula for analyzing the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer is: ,in Expressed as the combustion acceptance index of the internal flue gas duct of the portable flue gas analyzer, Expressed as a compliance index for the gas content of the internal flue gas duct of a portable flue gas analyzer The reference amount of fly ash and the reference amount of unburned carbon particles in the internal flue gas duct are obtained from the database, and based on the obtained fly ash amount in each time period of the internal flue gas duct of the portable flue gas analyzer, the floating smoke compliance index of the internal flue gas duct of the portable flue gas analyzer is analyzed. The specific calculation formula is: ,in Expressed as a reference quantity of fly ash for the internal flue gas duct of a portable flue gas analyser, Indicates the number of internal flue gas ducts of portable flue gas analyzers. The amount of fly ash in a time period, , The number of time periods expressed as internal flue gas ducts; Based on the floating smoke compliance index of the internal flue gas duct of the portable flue gas analyzer, the combustion compliance index of the internal flue gas duct of the portable flue gas analyzer is analyzed, and the specific formula is: ,in Expressed as the floating smoke compliance index of the internal smoke duct of the portable smoke analyzer, Expressed as the downdraft smoke compliance index for the internal flue gas duct of a portable flue gas analyser; Based on the obtained number of unburned carbon particles in each time period of the internal flue gas duct of the portable flue gas analyzer, the sinking smoke compliance index of the internal flue gas duct of the portable flue gas analyzer is analyzed, and the specific calculation formula is: ,in Expressed as a reference number of unburned carbon particles in the internal flue gas duct of a portable flue gas analyser, Indicates the number of internal flue gas ducts of portable flue gas analyzers. The number of unburned carbon particles in a time period; Obtain the sulfur content of the internal flue gas duct of the portable flue gas analyzer at each time period from the database, screen the maximum sulfur content and the minimum sulfur content of the internal flue gas duct of the portable flue gas analyzer, and then construct a reference range of the sulfur content of the internal flue gas duct of the portable flue gas analyzer; The sulfur content of the internal flue gas duct of the portable flue gas analyzer at each time period is compared with the sulfur content reference range of the internal flue gas duct of the portable flue gas analyzer. If the sulfur content of the internal flue gas duct of the portable flue gas analyzer at a certain time period is within the sulfur content reference range, the chemical reaction qualified index of the internal flue gas duct of the portable flue gas analyzer at that time period is recorded as , otherwise, it is recorded as , get the qualified index of active chemical reaction at each time point of the internal flue gas duct of the portable flue gas analyzer ,in The value of or , ; Similarly, analyze the chemical reaction qualification index of the internal flue gas duct of the portable flue gas analyzer at each time point. ; The gas content of the internal flue gas duct of the portable flue gas analyzer meets the index, and the specific formula is: ; External smoke duct detection module: used to detect the external smoke duct of the portable smoke analyzer through an electrochemical smoke sensor and a scanner, and then obtain the temperature, humidity, pressure, gap value, depression value and current attenuation value of the external smoke duct of the portable smoke analyzer at each time period, and analyze the appearance safety performance index and appearance function qualified performance index of the external smoke duct of the portable smoke analyzer; External smoke duct analysis module: based on the obtained appearance safety performance index and appearance function qualified performance index of the external smoke duct of the portable smoke analyzer, analyze the operation safety compliance index of the external smoke duct of the portable smoke analyzer; Flue gas duct pretreatment adjustment: Based on the obtained concentration compliance index of the internal flue gas duct of the portable flue gas analyzer and the operational safety compliance index of the external flue gas duct of the portable flue gas analyzer, the portable analyzer is pretreated and adjusted.
2. A flue gas pretreatment system for a portable flue gas analyzer according to claim 1, characterized in that: The specific analysis method for analyzing the operational safety compliance index of the external flue gas duct of the portable flue gas analyzer is as follows: Based on the obtained temperature, humidity, pressure, gap value, depression value and current attenuation value of the external smoke duct of the portable smoke analyzer in each time period, the appearance safety performance index and appearance function qualified performance index of the external smoke duct of the portable smoke analyzer are analyzed, and then the operation safety compliance index of the external smoke duct of the portable smoke analyzer is analyzed. The specific formula is: ,in Expressed as the external smoke duct appearance safety performance index of the portable smoke analyzer, Expressed as an acceptable performance index for the appearance function of the external flue gas duct of a portable flue gas analyser.
3. A flue gas pretreatment system for a portable flue gas analyzer according to claim 2, characterized in that: The specific analysis method of the appearance safety performance index of the external flue gas duct of the portable flue gas analyzer is as follows: The reference temperature, reference humidity and reference pressure of the external smoke duct of the portable smoke analyzer are obtained from the database, and the appearance safety performance index of the external smoke duct of the portable smoke analyzer is analyzed. The specific calculation formula is: ,in , , Expressed as the reference temperature, reference humidity, and reference pressure of the external flue gas duct of the portable flue gas analyzer, , , The external flue gas duct of the portable flue gas analyzer Temperature, humidity, pressure in a certain period of time, , The number of time periods expressed as external flue gas ducting.
4. A flue gas pretreatment system for a portable flue gas analyzer according to claim 2, characterized in that: The specific analysis method of the appearance function qualified performance index of the external flue gas duct of the portable flue gas analyzer is as follows: The reference gap value and reference depression value of the external smoke duct of the portable smoke analyzer are obtained from the database. Based on the detected gap value and depression value of the external smoke duct of the portable smoke analyzer in each time period, the surface compliance index of the external smoke duct of the portable smoke analyzer is analyzed. The specific calculation formula is: ,in , Expressed as the reference gap value and reference depression value of the external flue gas duct of the portable flue gas analyzer, , The external flue gas duct of the portable flue gas analyzer Gap value and depression value of each time period; Based on the detected current attenuation values of the external smoke duct of the portable smoke analyzer in each time period, the current attenuation values of the external smoke duct of the portable smoke analyzer in each time period are averaged to obtain the average current attenuation value of the external smoke duct of the portable smoke analyzer, and the average current attenuation value of the external smoke duct of the portable smoke analyzer is compared with the qualified interval of the average current attenuation value of the external smoke duct of the portable smoke analyzer in the database. If the average current attenuation value of the external smoke duct of the portable smoke analyzer is within the qualified interval of the average current attenuation value, the damage point index of the external smoke duct of the portable smoke analyzer is recorded as , otherwise, record it as , get the damage point index of the external flue gas duct of the portable flue gas analyzer at each time period , The value of or ,in ; Analyze the appearance function qualified performance index of the external flue gas duct of the portable flue gas analyzer. The specific calculation formula is: 。 5. The flue gas pretreatment system of a portable flue gas analyzer according to claim 1, characterized in that: The specific analysis method of the portable analyzer for pre-processing adjustment is as follows: Obtaining an environmental compliance index threshold of an internal flue gas duct of a portable flue gas analyzer from a database, comparing the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer with a predefined environmental compliance index threshold of the internal flue gas duct of the portable flue gas analyzer, and if the environmental compliance index of the internal flue gas duct of the portable flue gas analyzer is less than the predefined environmental compliance index threshold, adjusting the internal flue gas duct of the portable analyzer, and reminding the staff to remove particulate matter from the portable analyzer; The operational safety compliance index threshold of the external smoke duct of the portable flue gas analyzer is obtained from the database, and the operational safety compliance index of the external smoke duct of the portable flue gas analyzer is compared with the predefined operational safety compliance index threshold of the external smoke duct of the portable flue gas analyzer. If the operational safety compliance index of the external smoke duct of the portable flue gas analyzer is less than the operational safety compliance index threshold, the operational safety compliance index difference of the external smoke duct of the portable flue gas analyzer is obtained, and the difference is multiplied by the content of desiccant corresponding to the unit operational safety compliance index difference stored in the database to obtain the required content of desiccant for the portable flue gas analyzer, and then the external smoke duct of the portable analyzer is adjusted.
6. A method for executing the flue gas pretreatment system of the portable flue gas analyzer according to any one of 1 to 5, characterized in that: include: Step 1: Internal flue gas duct detection: for detecting the internal flue gas duct of the portable analyzer by using a flue gas mass spectrometer, thereby obtaining detection data of the internal flue gas duct of the portable flue gas analyzer, wherein the detection data of the internal flue gas duct includes internal flue combustion detection data and internal flue gas detection data; Step 2, internal smoke duct analysis: based on the obtained detection data of the internal smoke duct of the portable smoke analyzer, analyzing the environmental compliance index of the internal smoke duct of the portable smoke analyzer; Step 3: External smoke duct detection: It is used to detect the external smoke duct of the portable smoke analyzer through an electrochemical smoke sensor and a scanner, and then obtain the temperature, humidity, pressure, gap value, depression value and current attenuation value of the external smoke duct of the portable smoke analyzer at each time period, and analyze the appearance safety performance index and appearance function qualified performance index of the external smoke duct of the portable smoke analyzer; Step 4: External smoke duct analysis: Based on the obtained appearance safety performance index and appearance function qualified performance index of the external smoke duct of the portable smoke analyzer, analyze the operation safety compliance index of the external smoke duct of the portable smoke analyzer; Step 5, flue gas duct pretreatment adjustment: based on the obtained concentration compliance index of the internal flue gas duct of the portable flue gas analyzer and the operational safety compliance index of the external flue gas duct of the portable flue gas analyzer, pretreatment adjustment is performed on the portable analyzer.
Citation Information
Patent Citations
Continuous online flue gas monitoring system
CN218524680U