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E-mail
wuym@winsafety.com
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Phone
18520228916
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Address
Room 301, Huangpu Trade Plaza, No. 680 Guangxin Road, Huangpu District, Guangzhou City, Guangdong Province
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Guangzhou Mingle Instrument Co., Ltd
Online monitoring system for flue gas emissions
NegotiableUpdate on 03/08
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Overview
The online monitoring system for flue gas emissions consists of four mandatory subsystems: monitoring of gaseous pollutants (SO2, NOX, 02, etc.), monitoring of particulate matter, monitoring of flue gas parameters (temperature, pressure, flow rate, humidity, etc.), and data acquisition and processing. The monitoring of gaseous pollutants in $r $n adopts the extraction condensation method, which uses the ultraviolet differential method to measure the SO2 and NOX content in the flue gas, measures the wet oxygen content through electrochemical method, and then calculates the dry flue gas concentration of SO2, NOX, and 02 through dry wet conversion.
Product Details
Online monitoring system for flue gas emissions
IIIEquipment parameters
3.1monitoring parameters
Online monitoring factors:SO2、NOx、O2、Temperature, pressure, flow rate, humidity, smoke and dust
3.2monitoring method
At the bottomSmoke sampling method: extractive cold dry method
At the bottomSO2TheNOXMonitoring method: UV differential optical absorption spectroscopy
At the bottomO2Monitoring method: electrochemical method
At the bottomSmoke and dust measurement method: laser backscatter method
At the bottomTemperature measurement method: Temperature sensor (platinum resistance)
At the bottomPressure measurement method: pressure sensor
At the bottomFlow velocity measurement method: differential pressure method (pitot tube)
At the bottomHumidity measurement method: Resistance capacitance method
3.3Installation location
Exhaust gas sampling point: chimney total emission outlet
Analysis instrument: Outdoor air conditioning station building
3.4publicengineering conditions
Instrument air: Two channels0.4～0.6MPa， Clean, oil-free, and waterless instrument air (dew point ≤ 0 ℃).
electricity Source: Single channel220V AC 50HZ 6KWUsed for equipment power supply.
This device is an integrated set of analysis and control equipment that includes mechanical, electrical, and instrumentation components. Including sampling probe, probe blowback, sampling pipeline, preprocessing unit, cabinetPLC control unit, dust analyzer, temperature and pressure flow, etc;The overall system adopts analysiscabinetType structure, complete set of equipment analyzed bycabinetComponents and sampling probe components installed on the process pipeline.
3.5.1Electric heat tracing automatic temperature control integrated sampling probe assembly
including:
a. Special stainless steel electric tracing automatic temperature control sampling probe
b. Specialized probe filter
c. Specialized electric heat tracing automatic temperature control sampling transmission pipeline component
d. Equipped with a built-in blowback unit for periodic blowing of the sampling section
Complete on-site collection, transportation, and first stage filtration of sample gas, and then send it to the preprocessing unit;The temperature of the sampling probe isAdjustable at 150 ℃, the temperature of the heat tracing pipeline can be adjusted at 150 ℃.
3.5.2Online monitoring system for flue gas emissionsAnalyze the cabinetcomponent
The analysis cabinet contains the following units:
a.Preprocessing Unit
The preprocessing unit consists of a condenser, peristaltic pump, solenoid valve, suction pump, needle valve, fine filter, flow meter, etc; Its function is to complete the purification, dust removal, voltage stabilization, and flow stabilization of the sample gas, with a filtration accuracy of up to0.1um. Finally, clean and stable flow of the tested gas that meets the requirements of the analyzer is continuously fed into the analytical instrument, ensuring its accuracy and long-term reliability.
To accelerate response time, the system is equipped with a bypass flow path; For the convenience of regular analyzer calibration, the system is equipped with an analyzer calibration flow path.
b.Analysis Unit
The analyzer adopts the ultraviolet differential method forSO2TheNOXMeasure using electrochemical methodO2Take measurements.
c.control unit
This system adopts automatic sampling, automatic blowback and other working methods, and has a system fault alarm function, all of which pass throughPLC control implementation.
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