Multi-component gas analyser CO CO2 CH4 H2 CnHm O2 Heating Value biomass gasifications steel making process applications
A multi-component gas analyzer is an instrument designed to analyze the composition of gas mixtures by measuring the concentrations of multiple gas components simultaneously. It is widely used in various industries and applications where accurate gas analysis is essential.
Here are some key aspects and features of multi-component gas analyzers:
1. Gas Sampling System: The sampling system is responsible for extracting a representative gas sample from the process or ambient environment and delivering it to the analyzer for analysis. It may include filters, pumps, or other components to condition the gas sample and remove any contaminants or particulate matter.
2. Gas Analyzer: The gas analyzer is the core component of the system and employs different measurement techniques to detect and quantify the concentrations of multiple gas components. Some common measurement techniques used in multi-component gas analyzers include:
- Nondispersive Infrared (NDIR) Spectroscopy: NDIR spectroscopy measures the absorption of infrared light by different gas molecules, allowing for the identification and quantification of specific gases.They are commonly used for CO,CO2,CH4.
- Electrochemical Sensors: Electrochemical sensors use chemical reactions at electrodes to generate measurable signals proportional to the gas concentrations. They are commonly used for gases such as oxygen (O2) and various toxic gases.
- Paramagnetic or Thermal Conductivity: Similar to the syngas analyzer, paramagnetic or thermal conductivity techniques can be employed to measure the concentrations of certain gases based on their physical properties.They are commonly used for O2 or H2.
3. Calibration System: To ensure accurate and reliable measurements, multi-component gas analyzers require periodic calibration. The calibration system provides reference gases with known compositions to calibrate the analyzer and compensate for any drift or changes in measurement accuracy over time.
4. Data Acquisition and Control System: This system collects the measurement data from the gas analyzer, performs necessary calculations or conversions, and presents the results in a user-friendly format. It may include features such as data logging, trend analysis, and communication interfaces for integration with other control or monitoring systems.
5. Display and User Interface: Multi-component gas analyzers typically have a user-friendly interface that allows operators to configure settings, monitor gas concentrations in real-time, and access historical data. The display may show gas concentrations, alarms, diagnostic information, and calibration status.
6. Safety Features: Gas analyzers often incorporate safety features to protect operators and equipment. These may include explosion-proof enclosures, gas leak detection, and alarms to alert users in case of hazardous gas concentrations.
Multi-component gas analyzers are used in a wide range of applications, including environmental monitoring, industrial processes, safety monitoring, combustion control, and emissions measurement. They provide crucial information for process optimization, quality control, regulatory compliance, and ensuring the safety of personnel and equipment.
O2%+CO%+CO2%+CH4%+CnHm%+H2% All measurement in one unit
Applications
- coal chemical process
- steel making process as blast furnace, converter, coking, direct iron
- ore smelting reduction
- syngas production from Biomass and coal gas gasification processes
| Components |
Method |
Range |
Resolution |
Precision |
| CO2 |
NDIR |
0-5% to 100% |
0.01% |
≤2% |
| CO |
NDIR |
0-5% to 100% |
0.01% |
≤2% |
| H2 |
TCD |
0-5% to 100% |
0.01% |
≤3% |
| O2 |
ECD |
0-5% to 25% |
0.01% |
≤3% |
| CH4 |
NDIR |
0-5% to 100% |
0.01% |
≤2% |
| CnHm (optional) |
NDIR |
0-5% to 10% |
0.01% |
≤2% |
| Note: Measurement range can be customized by the requirement. Max: 6 components at the same time. |
| Response Time (TD+T90) |
<10s (NDIR) |
| Response Time |
15min |
| I/O port |
RS232 |
| Work temperature |
0～50℃ |
| Relative humidity |
5～85% |
| Ambient air pressure |
86～108kPa |
| Power supply |
AC 220±10%V 50Hz±1Hz |
| Weight |
About 3.5kg |
