CN109991138B - Wind tunnel system testing method by using dust - Google Patents
Wind tunnel system testing method by using dust Download PDFInfo
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- CN109991138B CN109991138B CN201910278397.3A CN201910278397A CN109991138B CN 109991138 B CN109991138 B CN 109991138B CN 201910278397 A CN201910278397 A CN 201910278397A CN 109991138 B CN109991138 B CN 109991138B
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Abstract
The invention discloses a test method by utilizing a dust wind tunnel system, which comprises the following steps: selecting the type of dust: adding dust; connecting a tested dust meter; starting a dust wind tunnel system to control a power supply; setting running time parameters of the fan; starting a fan; starting a preparation time; a condition preparation time; judging a stable fan running state; running in a stable judgment time; running in a condition preparation time; performing secondary judgment; secondary condition preparation time operation; running comparison in condition preparation time; stopping the fan; the time of the stable discrimination stage; data integration time; exporting data; detecting and circulating; the invention has the technical effects that the invention provides the method for testing the wind tunnel system by utilizing the dust, which can change the defects of the existing detection technology of the dust meter, change the situation of long-term dependence on a parallelism detection comparison method in the prior art, and simultaneously change the situation of uncertain effect of installation and debugging of the dust meter.
Description
Technical Field
The invention relates to a dust testing method, in particular to a testing method utilizing a dust wind tunnel system.
Background
In the prior art, a test method and an effectiveness method of a dust meter are generally detected by adopting a parallelism detection comparison method, and the final data of the flue gas can be obtained only after the dust detected by the dust meter is weighed; the data obtained after the data passes through a dust meter for detection has deviation; or the method of installing and debugging at the installation site is needed, the effect of the dust meter is finally formed, in the process of the parallelism detection comparison method, the method depends on the skills of detection personnel and the detection environment, the field effect is not accurate, and meanwhile, the method has no timeliness and is troublesome to operate, in case that the dust meter is unqualified, a new dust meter needs to be installed, the operation is inconvenient, and if the detection and the effect of the dust meter are finished before the dust meter leaves a factory, the dust wind tunnel system test method needs to be utilized.
Disclosure of Invention
The invention aims to realize a method for testing a wind tunnel system by using dust according to the defects of the prior art, which is characterized by comprising the following steps of:
step S10: selecting the type of dust: determining the type of dust according to the tested dust meter; proceeding to step S20;
step S20: adding dust: adding the dust selected in the step S10 to a dust feeding device; proceeding to step S30;
step S30: connecting the tested dust meter: connecting a test probe rod of a tested dust instrument with a detection port of a dust wind tunnel system, and connecting an analog quantity acquisition sensor on the test probe rod with an analog quantity acquisition channel in an analog quantity input module of the dust wind tunnel system;
step S40: starting a dust wind tunnel system control power supply: opening a control power supply of the dust wind tunnel system control system, and entering the step after the control power supply is completed;
step S41: selecting the test type: selecting the test type as a dust test or a smoke test; after the selection is completed, the flow proceeds to step S42;
step S42: selecting a test pipeline: selecting high, medium and low flow velocity pipelines in a dust wind tunnel system; after the selection is completed, the process proceeds to step S43;
step S43: setting an operation file: selecting a test specification file on a file interface of a dust wind tunnel system: inputting test file information after the selection is finished; after completion, the flow proceeds to step S44:
step S44: setting parameters: setting flow speed, temperature and humidity on a parameter setting interface of a dust wind tunnel system control system; after the setting is completed, the flow proceeds to step S50;
step S50: setting a test time parameter of a control system: setting the starting preparation stage time, the condition preparation stage time, the stability judgment stage time, the measurement interval time, the stability judgment time and the data integration time in sequence; after the storage, the process proceeds to step S60;
step S60: starting a fan: pressing a fan starting button, starting the fan, and after starting, entering step S70:
step S70: starting an air compressor: pressing an air compressor button, starting, and then entering step S80;
step S80: starting a dust feeder: starting a control unit of the dust feeder, and setting the dust output speed; after completion, the flow proceeds to step S90:
step S90: the system enters the time of a starting preparation stage, and the stable system running state is judged: when the startup preparatory phase time ends, the flow proceeds to step S91, step S91: the system enters the condition preparation stage time, the dust wind tunnel system judges whether the temperature, the humidity and the flow rate of the dust wind tunnel system meet the parameter requirements, if yes, the step S100 is executed; judging that the temperature, the humidity and the wind speed of the dust wind tunnel system do not meet the parameter requirements by the dust wind tunnel system; step S110 is entered:
step S100: and (3) running at a stable judgment time: the system operates according to the stability judgment time; after the stability judgment time is finished, the subsequent stability judgment time is not operated, and the fan operation enters the step S150;
step S110: run-time-to-Condition preparation: the fan runs according to the condition preparation time; when the condition preparation time is equal to the stabilization determination time again, the process proceeds to step S120;
step S120: and (4) secondary judgment: the dust wind tunnel system judges the temperature, the humidity, the wind speed and the concentration parameters of the dust particles of the dust wind tunnel system again, if so, the step S130 is carried out; if not, go to step S140;
step S130: secondary conditioning run-time: the fan does not finish the rest condition preparation time any more, and the step S150 is directly carried out;
step S140: run-time comparison of Condition preparation: the fan operates again according to the remaining condition preparation time, if the remaining condition preparation time is larger than the stability judgment time, the step S110 is returned, and the circulation is repeated; if the remaining condition preparation time is less than the stability determination time, go to step 145;
step S145: stopping the fan: the fan is shut down, and the dust wind tunnel system gives an alarm to prompt the dust parameter fault of the dust wind tunnel system;
step S150: time of the stable discrimination stage: the fan operates in the stable judging stage, and the dust wind tunnel system judges that the temperature, the humidity, the wind speed and the dust particle concentration parameter of the dust wind tunnel system meet the parameter requirement, and then the operation goes to step S160; in the time of the stable judging stage, if the dust wind tunnel system judges that the temperature, the humidity, the wind speed and the concentration parameter of the dust particles of the dust wind tunnel system do not meet the parameter requirement; step S110 is entered:
step S160: data integration time: the dust wind tunnel system enters data integration time, and when the measurement interval time is equal to the data integration time; the dust wind tunnel system records data of the dust wind tunnel system and the tested dust instrument and stores the data; after the data integration time is finished, the step S170 is executed;
step S170: and (3) exporting data: judging whether the tested dust instrument meets the detection requirements or not according to the data of the dust wind tunnel system and the tested dust instrument collected by the dust wind tunnel system; after the completion, the process goes to step S180;
step S180: and (3) detection circulation: the dust parameters of the next tested dust meter are the same; returning to the step S90 when the dust wind tunnel system operates; if the dust parameters of the next tested dust meter are different, the process goes to step S190;
step S190: the fan process is stopped: stopping the fan; the operation of the dust wind tunnel system returns to step S10.
Further, the condition preparation time is longer than the stability determination time; the time of the stable judging stage is longer than the stable judging time;
further, the starting preparation time, the condition preparation time and the stability discrimination stage time are manually and sequentially entered into the starting preparation time, the condition preparation time and the stability discrimination stage time in the dust wind tunnel system, and the remaining starting preparation time, the condition preparation time and the stability discrimination stage time are directly skipped over.
Further, the measured dust meter also comprises a smoke particulate matter emission continuous monitoring system, a turbidity meter and a dust measuring sensor.
The technical effect of the invention is that the invention provides a test method by using a dust wind tunnel system, which can change the defects of the existing detection technology of the dust meter, change the situation of long-term dependence on a parallelism detection comparison method in the prior art, and simultaneously change the situation of debugging uncertain effect while installing the dust meter.
Drawings
FIG. 1 is a flow chart of the detection method of the present invention;
FIG. 2 is a probe connection diagram of the apparatus to be tested according to the present invention;
fig. 3 is a data acquisition mode of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With reference to fig. 1, the embodiment discloses a method for testing a wind tunnel system by using dust, which includes the following steps:
a test method by utilizing a dust wind tunnel system is characterized by comprising the following steps:
step S10: selecting the type of dust: determining the type of dust according to the tested dust meter; proceeding to step S20;
step S20: adding dust: adding the dust selected in the step S10 to a dust feeding device; proceeding to step S30;
step S30: connecting the tested dust meter: connecting a test probe rod of a tested dust instrument with a detection port of a dust wind tunnel system, and connecting an analog quantity acquisition sensor on the test probe rod with an analog quantity acquisition channel in an analog quantity input module of the dust wind tunnel system;
step S40: starting a dust wind tunnel system control power supply: turning on a control power supply of the dust wind tunnel system control system, and entering step 41 after the control power supply is turned on;
step S41: selecting the test type: selecting the test type as a dust test or a smoke test; after the selection is completed, the flow proceeds to step S42;
step S42: selecting a test pipeline: selecting high, medium and low flow velocity pipelines in a dust wind tunnel system; after the selection is completed, the process proceeds to step S43;
step S43: setting an operation file: selecting a test specification file on a file interface of a dust wind tunnel system: inputting test file information after the selection is finished; after completion, the flow proceeds to step S44:
step S44: setting parameters: setting flow speed, temperature and humidity on a parameter setting interface of a dust wind tunnel system control system; after the setting is completed, the flow proceeds to step S50; step S50: setting a test time parameter of a control system: setting the starting preparation stage time, the condition preparation stage time, the stability judgment stage time, the measurement interval time, the stability judgment time and the data integration time in sequence; after the storage, the process proceeds to step S60;
step S60: starting a fan: pressing a fan starting button, starting the fan, and after starting, entering step S70:
step S70: starting an air compressor: pressing an air compressor button, starting, and then entering step S80;
step S80: starting a dust feeder: starting a control unit of the dust feeder, and setting the dust output speed; after completion, the flow proceeds to step S90:
step S90: the system enters the time of a starting preparation stage, and the stable system running state is judged: when the startup preparatory phase time ends, the flow proceeds to step S91, step S91: the system enters the condition preparation stage time, the dust wind tunnel system judges whether the temperature, the humidity and the flow rate of the dust wind tunnel system meet the parameter requirements, if yes, the step S100 is executed; judging that the temperature, the humidity and the wind speed of the dust wind tunnel system do not meet the parameter requirements by the dust wind tunnel system; step S110 is entered:
step S100: and (3) running at a stable judgment time: the system operates according to the stability judgment time; after the stability judgment time is finished, the subsequent stability judgment time is not operated, and the fan operation enters the step S150;
step S110: run-time-to-Condition preparation: the fan runs according to the condition preparation time; when the condition preparation time is equal to the stabilization determination time again, the process proceeds to step S120;
step S120: and (4) secondary judgment: the dust wind tunnel system judges the temperature, the humidity, the wind speed and the concentration parameters of the dust particles of the dust wind tunnel system again, if so, the step S130 is carried out; if not, go to step S140;
step S130: secondary conditioning run-time: the fan does not finish the rest condition preparation time any more, and the step S150 is directly carried out;
step S140: run-time comparison of Condition preparation: the fan operates again according to the remaining condition preparation time, if the remaining condition preparation time is larger than the stability judgment time, the step S110 is returned, and the circulation is repeated; if the remaining condition preparation time is less than the stability determination time, go to step 145;
step S145: stopping the fan: the fan is shut down, and the dust wind tunnel system gives an alarm to prompt the dust parameter fault of the dust wind tunnel system;
step S150: time of the stable discrimination stage: the fan operates in the stable judging stage, and the dust wind tunnel system judges that the temperature, the humidity, the wind speed and the dust particle concentration parameter of the dust wind tunnel system meet the parameter requirement, and then the operation goes to step S160; in the time of the stable judging stage, if the dust wind tunnel system judges that the temperature, the humidity, the wind speed and the concentration parameter of the dust particles of the dust wind tunnel system do not meet the parameter requirement; step S110 is entered:
step S160: data integration time: the dust wind tunnel system enters data integration time, and when the measurement interval time is equal to the data integration time; the dust wind tunnel system records data of the dust wind tunnel system and the tested dust instrument and stores the data; after the data integration time is finished, the step S170 is executed;
step S170: and (3) exporting data: judging whether the tested dust instrument meets the detection requirements or not according to the data of the dust wind tunnel system and the tested dust instrument collected by the dust wind tunnel system; after the completion, the process goes to step S180;
step S180: and (3) detection circulation: the dust parameters of the next tested dust meter are the same; returning to the step S90 when the dust wind tunnel system operates; if the dust parameters of the next tested dust meter are different, the process goes to step S190;
step S190: the fan process is stopped: stopping the fan; the operation of the dust wind tunnel system returns to step S10.
In this embodiment, the detected dust meter is exemplified by an explosion-proof ultra-low dust meter model SBF800EX, a low-concentration smoke particulate matter emission continuous monitoring system (model SBF 800), a smoke continuous monitoring system, a dust meter SBF800ES, a turbidity meter, and other devices; but is not limited to the aforementioned dust meter device.
Step S10: selecting the type of dust: the powder is 10 um; proceeding to step S20;
step S20: adding dust: adding 10um powder into a dust feeding device; proceeding to step S30;
step S30: connecting the tested dust meter: connecting a test probe rod of the tested dust meter (explosion-proof ultra-low dust meter SBF800EX type, low-concentration smoke particulate matter emission continuous monitoring system (SBF800 type), smoke dust continuous monitoring system, dust meter SBF800ES, turbidity meter and other instrument devices) with a detection port of a dust wind tunnel system, and connecting an analog quantity acquisition sensor on the test probe rod with an analog quantity acquisition channel in an analog quantity input module of the dust wind tunnel system; as shown in fig. 2 and fig. 3, 3 connection modes are a drawing type connection mode 1, a back scattering type connection mode 2 and a penetrating type connection mode 3; and the analog quantity acquisition sensor 4 on the test probe rod is connected with an analog quantity acquisition channel in an analog quantity input module 5 of the dust wind tunnel system.
Step S40: starting a dust wind tunnel system control power supply: turning on a control power supply of the dust wind tunnel system control system, and entering step 41 after the control power supply is turned on;
step S41: selecting the test type: selecting the test type as a dust test; after the selection is completed, the flow proceeds to step S42;
step S42: selecting a test pipeline: selecting a high-flow-speed pipeline in a dust wind tunnel system; after the selection is completed, the process proceeds to step S43;
step S43: setting an operation file: selecting a test specification file on a file interface of a dust wind tunnel system: inputting test file information after the selection is finished; after completion, the flow proceeds to step S44:
step S44: setting parameters: setting the flow rate at 25m/s, the temperature at 50 ℃ and the humidity at 50% on a parameter setting interface of a dust wind tunnel system control system; after the setting is completed, the flow proceeds to step S50;
step S50: setting a test time parameter of a control system: setting a starting preparation stage time of 10min, a condition preparation stage time of 10min, a stability discrimination stage time of 50min, a measurement interval time of 4min, a stability judgment time of 2min and a data integration time of 2min in sequence; after the storage, the process proceeds to step S60;
step S60: starting a fan: pressing a fan starting button, starting the fan, and after starting, entering step S70:
step S70: starting an air compressor: pressing an air compressor button, starting, and then entering step S80;
step S80: starting a dust feeder: starting a control unit of the dust feeder, and setting the dust output speed to be 5 revolutions per minute; after completion, the flow proceeds to step S90:
step S90: the system enters the time of a starting preparation stage, and the stable system running state is judged: when the startup preparatory phase time ends, the flow proceeds to step S91, step S91: the system enters a condition preparation stage time, the dust wind tunnel system judges whether the flow rate of the dust wind tunnel system is 25m/S, the temperature is 50 ℃ and the humidity is 50%, and if the flow rate of the dust wind tunnel system is up, the step S100 is executed; the dust wind tunnel system judges that the flow velocity of the dust wind tunnel system is 25m/s, the temperature is 50 ℃ and the humidity is 50 percent and does not meet the parameter requirements; step S110 is entered:
step S100: and (3) running at a stable judgment time: the system operates according to the stability judgment time of 2 min; after the operation is finished within the stability judgment time of 2min, the operation is not performed within the time of 48min in the subsequent stability judgment stage, and the operation of the fan enters the step S150;
step S110: run-time-to-Condition preparation: the fan runs for 10min according to the condition preparation time; when the condition preparation time is again equal to the stabilization judgment time 2min, the process proceeds to step S120;
step S120: and (4) secondary judgment: the dust wind tunnel system judges the flow velocity of 25m/S, the temperature of 50 ℃ and the humidity of 50% again, if yes, the step S130 is carried out; if not, go to step S140;
step S130: secondary conditioning run-time: the fan does not finish the rest condition preparation time for 6min any more, and the step S150 is directly carried out;
step S140: run-time comparison of Condition preparation: the fan operates again for 6min according to the remaining condition preparation time, if the remaining condition preparation time 6min is greater than the stability determination time 2min, the step S110 is returned, and the circulation is repeated; if the remaining condition preparation time is less than the stability determination time 2min, go to step 145;
step S145: stopping the fan: the fan is shut down, and the dust wind tunnel system gives an alarm to prompt the dust parameter fault of the dust wind tunnel system;
step S150: time of the stable discrimination stage: the fan operates for 50min in the stable judging stage, and the dust wind tunnel system judges that the temperature and the flow rate of the dust wind tunnel system are 25m/S, the temperature is 50 ℃ and the humidity is 50% and meets the parameter requirements, and then the step S160 is executed; in the time of the stable judging stage, if the dust wind tunnel system judges that the flow rate of the dust wind tunnel system is 25m/s, the temperature is 50 ℃ and the humidity is 50 percent, the parameter requirement is not met; step S110 is entered:
step S160: data integration time: the time for the dust wind tunnel system to enter data integration is 2min, and when the measurement interval time is equal to the data integration time 2 min; the dust wind tunnel system records data of the dust wind tunnel system and the tested dust instrument and stores the data; after the data integration time is finished, the step S170 is executed;
step S170: and (3) exporting data: judging whether the tested dust instrument meets the detection requirements or not according to the data of the dust wind tunnel system and the tested dust instrument collected by the dust wind tunnel system; the measured data is qualified in the interval of 25m/S +/-0.2 m/S of flow rate, 50 +/-0.5 ℃ of temperature and 50% +/-0.5% of humidity, otherwise, the data is unqualified, and the step S180 is executed after the data is finished;
step S180: and (3) detection circulation: the dust parameters of the next tested dust meter are the same; returning to the step S90 when the dust wind tunnel system operates; if the dust parameters of the next tested dust meter are different, the process goes to step S190;
step S190: the fan process is stopped: stopping the fan; the operation of the dust wind tunnel system returns to step S10.
Of course, the embodiment only takes the explosion-proof ultra-low dust meter SBF800EX model, the low-concentration smoke particulate matter emission continuous monitoring system (SBF800 model), the smoke dust continuous monitoring system, the dust meter SBF800ES, the turbidity meter and other instrument devices as examples; the measured dust meter also comprises a smoke particulate matter emission continuous monitoring system, a turbidity meter, a dust measuring sensor and other devices and instruments.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A test method by utilizing a dust wind tunnel system is characterized by comprising the following steps:
step S10: selecting the type of dust: determining the type of dust according to the tested dust meter; proceeding to step S20;
step S20: adding dust: adding the dust selected in the step S10 to a dust feeding device; proceeding to step S30;
step S30: connecting the tested dust meter: connecting a test probe rod of a tested dust instrument with a detection port of a dust wind tunnel system, and connecting an analog quantity acquisition sensor on the test probe rod with an analog quantity acquisition channel in an analog quantity input module of the dust wind tunnel system;
step S40: starting a dust wind tunnel system control power supply: turning on a control power supply of the dust wind tunnel system control system, and after the control power supply is turned on, entering step S41;
step S41, selecting a test type, wherein the test type is a dust test or a smoke test; after the selection is completed, the flow proceeds to step S42;
step S42: selecting a test pipeline: selecting high, medium and low flow velocity pipelines in a dust wind tunnel system; after the selection is completed, the process proceeds to step S43;
step S43: setting an operation file: selecting a test specification file on a file interface of a dust wind tunnel system: inputting test file information after the selection is finished; after completion, the routine proceeds to step S44;
step S44: setting parameters: setting flow speed, temperature and humidity on a parameter setting interface of a dust wind tunnel system control system; after the setting is completed, the flow proceeds to step S50;
step S50: setting a test time parameter of a control system: setting the starting preparation stage time, the condition preparation stage time, the stability discrimination stage time, the measurement interval time, the stability discrimination time and the data integration time in sequence; after the storage, the process proceeds to step S60;
step S60: starting a fan: pressing a fan starting button, starting the fan, and entering step S70 after starting;
step S70: start-up preparatory phase time: the system enters the time of a starting preparation stage, and the stable system running state is judged: when the startup preparation stage time ends, proceed to step S80;
step S80: conditioning preparation phase time: when the system enters the condition preparation stage time, the dust wind tunnel system judges whether the parameters of the temperature, the humidity and the flow rate of the dust wind tunnel system meet the set parameter requirements, if so, the step S90 is executed; judging that the temperature, the humidity and the wind speed of the dust wind tunnel system do not meet the set parameter requirements by the dust wind tunnel system; step S110 is entered;
step S90: starting an air compressor: pressing an air compressor button, starting, and then entering step S91;
step S91, starting the dust feeder: starting a control unit of the dust feeder, and setting the dust output speed; after completion, the process proceeds to step S100;
step S100: and (3) running at a stable judgment time: the system operates according to the stability judgment time; after the stability judgment time is finished, the subsequent stability judgment time is not operated, and the fan operation enters the step S150;
step S110: run-time-to-Condition preparation: the fan runs according to the condition preparation time; when the condition preparation time is equal to the stabilization determination time again, the process proceeds to step S120;
step S120: and (4) secondary judgment: the dust wind tunnel system judges the temperature, the humidity, the wind speed and the concentration parameters of the dust particles of the dust wind tunnel system again, if so, the step S130 is carried out; if not, go to step S140;
step S130: secondary conditioning run-time: the fan does not finish the rest condition preparation time any more, and the step S150 is directly carried out;
step S140: run-time comparison of Condition preparation: the fan operates again according to the remaining condition preparation time, if the remaining condition preparation time is larger than the stability judgment time, the step S110 is returned, and the circulation is repeated; if the remaining condition preparation time is less than the stability determination time, go to step 145;
step S145: stopping the fan: the fan is shut down, and the dust wind tunnel system gives an alarm to prompt the dust parameter fault of the dust wind tunnel system;
step S150: time of the stable discrimination stage: the fan operates in the stable judging stage, and the dust wind tunnel system judges that the temperature, the humidity, the wind speed and the dust particle concentration parameter of the dust wind tunnel system meet the set parameter requirement, and then the operation goes to step S160; in the time of the stable judging stage, if the dust wind tunnel system judges that the temperature, the humidity, the wind speed and the concentration parameter of the dust particles of the dust wind tunnel system do not meet the set parameter requirement; step S110 is entered;
step S160: data integration time: the time for the dust wind tunnel system to enter data integration; the dust wind tunnel system records data of the dust wind tunnel system and the tested dust instrument and stores the data; after the data integration time is finished, the step S170 is executed;
step S170: the data is exported, namely the data of the dust wind tunnel system and the tested dust instrument collected by the dust wind tunnel system is used for judging whether the tested dust instrument meets the detection requirement; after the completion, the process goes to step S180;
step S180, detection circulation: the dust parameters of the next tested dust meter are the same; returning to the step S80 when the dust wind tunnel system operates; if the dust parameters of the next dust meter to be measured are different, the process proceeds to step S43.
2. A test method using a dust wind tunnel system according to claim 1, wherein said condition preparation time is longer than said stability determination time; the stable judging stage time is longer than the stable judging time.
3. The method as claimed in claim 1, wherein the start preparation phase time, the condition preparation time and the stability discrimination phase time are manually entered into the dust wind tunnel system in sequence, and the rest of the start preparation phase time, the condition preparation time and the stability discrimination phase time are directly skipped.
4. The method as claimed in claim 1, wherein the tested dust meter further comprises a smoke particulate matter emission continuous monitoring system, a turbidity meter, and a dust measuring sensor.
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