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E-mail
service@greensgrace.com
- Phone
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Address
3rd Floor, Building 9, Jiuxiangling Industrial Zone, Xinwei Community, Xili Street, Nanshan District, Shenzhen
Shenzhen Green En Environmental Protection Technology Co., Ltd
service@greensgrace.com
3rd Floor, Building 9, Jiuxiangling Industrial Zone, Xinwei Community, Xili Street, Nanshan District, Shenzhen
The GR-CEMS fixed pollution source flue gas continuous monitoring system consists of a sampling system, a monitoring system, a calibration system, and a data acquisition and transmission system. The sampling system includes a flue gas sampling unit, a blowback unit, a drying and filtering unit, and a flow monitoring unit. The monitoring system includes an infrared spectrometer, an electrochemical oxygen analyzer, a light scattering smoke analyzer, and a temperature, pressure, and flow rate monitor. The calibration system includes an automatic calibration control unit, a manual calibration unit, and a standard gas; The data acquisition and transmission system includes a data acquisition instrument, an industrial computer, a data transmission module, and terminal control software.
Standard modular design, easy to upgrade and expand;
Real time transmission of on-site data, remote monitoring and fault diagnosis;
Multiple technical patents, high system stability, and low operating costs;
Adopting three-level water removal, the gas composition remains unchanged, improving detection accuracy;
Adopting a single beam method without the need to adjust optical balance, easy to maintain;
Adapt to various transmission methods, compatible with various transmission protocols, and can achieve multi-level networking;
Both gas sampling and gas transportation adopt controllable heat tracing methods to avoid pipeline pollution and blockage;
The unique probe blowing method that combines internal and external reverse blowing reduces the risk of blockage in the sampling circuit under high dust conditions.
project |
Technical Requirements |
|
methodological basis |
HJ/T76-2007 |
|
|
particulate matter CEMS |
measurement method |
Backscattering method |
zero drift |
≤±2%F.S |
|
Span Drift |
≤±2%F.S |
|
correlation coefficient |
≥0.85 |
|
Half width of confidence interval |
≤±10% |
|
Allow interval half width |
≤25% |
|
accuracy |
When ≤ 50mg/m3, the absolute error is ≤± 15mg/m3 |
|
Sulfur dioxide CEMS |
measurement method |
Non dispersive infrared method |
zero drift |
≤±2.5%F.S |
|
Span Drift |
≤±2.5%F.S |
|
linear error |
≤±5% |
|
Relative accuracy |
When ≥ 715mg/m3, ≤ 15% |
|
response time |
≤200s |
|
Nitrogen oxide CEMS |
measurement method |
Non dispersive infrared method |
zero drift |
≤±2.5%F.S |
|
Span Drift |
≤±2.5%F.S |
|
linear error |
≤±5% |
|
Relative accuracy |
When ≥ 513mg/m3, ≤ 15% |
|
response time |
≤200s |
|
Oxygen CEMS |
measurement method |
Zirconia method |
zero drift |
≤±2.5%F.S |
|
Span Drift |
≤±2.5%F.S |
|
linear error |
≤±5% |
|
Relative accuracy |
≤15% |
|
response time |
≤200s |
|
Continuous flow velocity measurement system |
measurement method |
S-shaped Pitot Tube Method |
precision |
≤5% |
|
relative error |
When ≥ 10m/s, ≤ 10% |
|
Continuous temperature measurement system |
measurement method |
Platinum resistance method |
precision |
0~300℃ |
|
relative error |
≤±3℃ |
|