High Accuracy Flue Emission Continuous Monitoring System, So2, Nox Analyzer, Ultra-Low Detection Limit, Easy Maintenance

• Customization: Available
• Warranty: 12 Months
• Brand: Yuan Zheng
• Model NO.: CEMS-5000L
• Customized: Customized
• Portable: Non Portable
• Gas: So2, Nox (No, No2) ,Co, CO2
• Type: UV Analyzer
• Measurement Technology: UV Differential Absorption Spectroscopy
• Indication Error: ≤±1% F.S.
• Zero Drift: ≤1%F.S./24hr
• Span Drift: ≤1%F.S./24hr
• Communication Interface: RS485, RS232, 4~20mA
• Working Temperature: -20ºC ~ 60ºC
• Power: 100VAC~240VAC,50Hz, 5000W
• Dimension: 800mm×600mm×1800mm
• Transport Package: Wooden Box Packing
• Specification: 300Kg
• Trademark: YUAN ZHENG
• Origin: China
• Production Capacity: 1000
• Package Size: 85.00cm * 65.00cm * 185.00cm
• Package Gross Weight: 350.000kg

Product Description

CEMS-5000L Continuous Emission Monitoring System (Ultra-low Hot-wet)

CEMS-5000L Continuous Emission Monitoring System (Ultra-low Hot-wet) is developed based on  UV differential absorption spectroscopy technique.
It is used for the online monitoring of SO₂, NO_x (NO, NO₂) and atmospheric particulate in the ultra-low emission of various fixed sources, and can expand the monitoring of CO, CO₂ and other pollutants.

The whole system is composed of four parts:

*   gaseous pollutant monitoring subsystem (O₂, NO_x (NO, NO₂))

*   atmospheric particulate monitoring subsystem,

*   flue gas parameter monitoring subsystem (temperature, pressure, flow rate, humidity, oxygen content),

*   system control and data collection and processing subsystem

 

Features

*  High integration, convenient maintenance.
     The flue gas directly enters the analyzer after passing through the probe and the heat tracing pipeline with the sampling pump.       Then the instrument will measure the gas concentration automatically.

*  Multiple gases can be measured.
     It can measure the CO₂,N₂O simultaneously. The result not been disturbed by the background gas.
 

*  High accuracy. Full-course high temperature heat companion.

     The sample gas composition is stable, ensure the accuracy of the measurement value

*  Low detection lower limit, fast response.
     The system is developed based on advanced UV differential absorption spectroscopy techniques. Long light range,
     high resolution. suitable for application in ultra-low field.

*  Self-developed core modules and algorithms.
     Effectively solves the error interference of spectral drift during the measurement.
     independent measurement of NO and NO₂, no need a nitrogen oxide converter

*  Suitable for application in harsh environment, including high temperature,
    high dust, and high humidity, high corrosion.
     The sampling probe uses dust filtration technology and timing anti-blowing technology,
     effectively prevent the probes from being easily blocked in harsh environment.

*  Modular design, Easy customization.
    Can be expanded with CO,CO₂ test module, etc.

Specification
 

Measurement technology:	UV differential absorption spectroscopy technique.
Measuring parameters:	SO2,NOx(NO/NO2), O2,atmospheric particles, temperature, humidity, pressure, flow velocity; CO, CO2 (option)
Measuring range:	SO2,NOx (NO/NO2), O2:  0~20μg/m3~200μg/m^3 (customizable) Flow velocity: 0 ~ 40m/s(customizable) Temperature: 0 ~ 300ºC(customizable) Pressure:  -10kPa ~ +10kPa(customizable)
Indication error:	≤±1% F.S.
Repeatability:	≤±1%
Stability:	≤±1%/1hr
Zero drift:	≤1%F.S./24hr
Span drift:	≤1%F.S./24hr
Response time:	≤90s (T90)
Power supply:	100VAC~240VAC,50Hz
Working temperature:	-20ºC ~ 60ºC
Heating temperature:	120ºC ~ 180ºC
Working humidity:	0~95%RH, no condensation
Dimension:	800mm×600mm×1800mm
Purge gas:	0.3MPa~0.8MPa industry nitrogen, air for instrument purification, etc

System Composition:


The CEMS-5000-L system is composed of four parts:
• gaseous pollutant monitoring subsystem (O2, NOx (NO, NO2))
• atmospheric particulate monitoring subsystem,
• flue gas parameter monitoring subsystem (temperature, pressure, flow rate, humidity, oxygen content)
• system control and data collection and processing subsystem

It can monitor not only SO2, NOx, O2, PM, temperature, pressure, velocity and humidity, but also can be extended to monitor HCl, HF, CO, CO2, NH3, H2S, Cl2, VOCS for specific occasions. The measured gas passes through sampling probe for dedusting, tracing pipe for sampling and then enters gas analysis module (UV-DOAS technology) for analysis and measurement.

The product effectively solves the technical problem that moisture and dust will interfere the measurement. Especially in ultra-low measurement occasions, it has unparalleled advantages.



Working principle:
The pretreatment system flow path adopts the extraction type heat and humidity method, the whole process is high temperature with heat companion, no cold end, no SO2 loss; The analyzer adopts White pool structure, has the advantages of low detection limit and fast response.

The sample gas is extracted into the pretreatment system through the high temperature pump. The dust is removed from the sample gas through the probe filter element.

After sampling the probe and heating the sample gas through the heating module, the sample gas is passed through Constant power heat pipe heat to about 120o C into the host cabinet, and then filtered by the secondary level filter and membrane filter. The final sample gas is sent to the analyzer for analyzing in the heating box.

The system can achieve periodical purge towards the probe through controlling the sampling solenoid valve and purge solenoid valve. In addition, the system is able to realize periodical auto zeroing function. The system is equipped with full-process calibration function.



1. Gaseous pollutant analyzer

Features:
(1). Constant temperature and heating companion, avoid the influence of temperature;
(2). Pulse light source, high stability, up to 10 years life;
(3). Advanced UV differential absorption spectroscopy technology, the lower monitoring limit as low as 0.1ppm, high sensitivity;
(4). The measurement pool adopts multi-circuit return technology, which has the advantages of low detection lower limit and accurate measurement.

Specification:

Working principle:	UV DOAS(SO2, NO2, NO); zirconia(O2)	Digital output:	6x digital output
Lineary:	2%F.S.	Analog output:	5x 4-20mAoutput, flexible configuration, maximum load: 800Ω
Repetitiveness:	≤2%	Analog input:	3x 4-20mAoutput, flexible configuration, 100Ω
Zero drift:	≤±2%F.S./7d	Communication:	RS485, RS232
Span drift:	≤±2%F.S./7d	Working temperature:	0~40oC
Response time:	≤60s(T90)	Working humidity:	0~95%RH
Relay output:	14x relay output, flexible configuration, DC30V 2A

2. Dust monitor
PT-100 Dust Monitor adopting laser backward scattering measuring technology with imported core components. It is mainly used for continuous monitoring of PM emission concentrations of various pollution sources. it can be used with CEMS continuous emission monitoring system, and can also be used separately or together with multiple dust monitors to form a dust monitoring network, sharing the same data collection and processing background.

PT-100 Dust Monitor is widely applied in enterprises including thermal power, ferrous metallurgy, petrochemical industry, cement production, potting, waste incineration; flue gas emission monitoring in all kinds of power generating boiler, industrial kiln, and
industrial boiler; monitoring and control in gas desulphurization and dust removal process.

Features:
(1). Supports online zero and span calibration and meets dust monitor principle;
(2). Automatic gain control function and temperature compensation;
(3). Convenient for installation, disassembly and cleaning with small and compact structure;
(4). Able to eliminate the influence of background stray light.

Specification:

Working principle:	Laser backward scattering	Analog output:	4-20mA, maximum load 800Ω
Measuring range:	0 ~ 200mg/m3, 0 ~ 10g/m3 (customizable)	COM interface:	RS485, 2 ×relay output, bluetooth
Indication error:	≤±20%	HMI:	IPC, APP
Indication repeatability:	10%	Weight:	4kg
Laser device:	650nm	Power:	< 3W
Medium temperature:	< 300ºC	Dimension:	158mm* 158mm*234mm (square)
Ambient Temperature:	-20 ~+ 45 ºC	Working temperature:	158mm* 158mm*273mm (circular
Stack diameter:	≥0.5m	Supply voltage	24VDC±10%

3. Temperature and pressure flow monitor


PT-500 is a split temperature and pressure flow monitor specially developed for low flow conditions. The instrument uses a high precision differential pressure / static pressure sensor and a unique Pitot tube structure design. It is combined with automatic calibration and automatic reflux technology, and can be widely used in various real-time continuous measurement occasions of flue gas temperature, pressure, flow rate and flow rate.

Features:
(1). Ultra-high precision differential pressure sensor, 1 m/s low flow rate measurement;
(2). LCD display, easy to use interface;
(3). Anti-blowing and zeroing interval can be set, Pitot tube parameters can be set;
(4). Different anti-corrosion material of Pitot tube can be choosed according to the different working conditions;
(5). Overvoltage protection, effectively avoid the damage to pressure sensors,operation cost is reduced;
(6). Strengthened output signal protection


Specification:

Accuracy:	±2% F.S.	Pitot tube material:	stainless steel 316L, stainless steel 2205(option), PTFE(option)
Response time:	< 1s	Power supply of anti-blowing solenoid valve :	220VAC 50Hz
External output:	4-20mA, RS485	Overvoltage limit of the differential voltage transmitter:	5 times overvoltage protection