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Sampling probe for flue gas analysis system Gas cooler dual-channel gas condenser for CEMS applications
A sampling probe is a crucial component of a flue gas analysis system. It is responsible for extracting a representative sample of the flue gas from the combustion process being analyzed. The sampling probe should be designed to withstand the harsh conditions of the flue gas environment and ensure accurate and reliable measurements. Here are some key considerations for a sampling probe in a flue gas analysis system:
1. Material and Construction: The sampling probe should be
constructed from materials that can withstand high temperatures,
corrosive gases, and particulate matter present in the flue gas.
Stainless steel is a common choice due to its durability and
resistance to corrosion. The probe should be designed to minimize
the buildup of deposits or particulate matter that could affect the
accuracy of the analysis.
2. Probe Length and Diameter: The probe length and diameter should
be selected based on the specific application and the dimensions of
the flue gas duct. The probe should be long enough to reach into
the gas stream and extract a representative sample. The diameter
should be appropriate to ensure sufficient gas flow for accurate
measurement without excessive pressure drop.
3. Sampling Method: There are different sampling methods available
for flue gas analysis, such as extractive or in-situ sampling.
Extractive sampling probes extract a sample from the flue gas
stream and transport it to the analysis system through tubing.
In-situ sampling probes, on the other hand, directly analyze the
gas in the flue without extracting a separate sample. The choice of
sampling method depends on factors such as the type of analysis
being performed, the required accuracy, and the gas composition.
4. Probe Design: The probe design should minimize turbulence and
ensure a representative sample is captured. A common design feature
is a pitot tube or a multi-hole probe that allows for proper gas
flow measurement and sampling at different points within the flue
gas stream. The probe may also include filters or cyclones to
remove larger particles and ensure that only the gas sample reaches
the analysis system.
5. Temperature Control: Flue gases can be extremely hot, so the
sampling probe may include temperature control mechanisms to
protect the analysis system and maintain the gas within the desired
temperature range. This can be achieved through the use of cooling
systems, insulation, or temperature monitoring devices.
6. Safety Considerations: Flue gas analysis systems may involve
hazardous gases, so the sampling probe should incorporate safety
features such as isolation valves, pressure relief mechanisms, and
appropriate connections to prevent leaks or exposure to harmful
substances.
When selecting a sampling probe for a flue gas analysis system,
it's essential to consider the specific requirements of the
application, the gas composition, temperature range, and any
regulatory standards that must be met. It's recommended to consult
with manufacturers or suppliers who specialize in flue gas analysis
equipment to ensure you choose a sampling probe that is suitable
for your specific needs and provides accurate and reliable
measurements.
ESE230 Gas Cooler(Gas analyzer accessories) is a kind of compressed high efficiency moisture removing, used in gas pretreatment system of gas analysis system. It can protect moisture and corresponding corrosion to the gas analyser and guarantee the lifespan lifespan of gas analysers.
Specifications
Items | Descriptions |
Working ambient temperature | 5℃~50℃ |
Inlet gas temperature | ≤180℃ |
Inlet gas dew point | ≤80℃(@ 25℃) |
Outlet gas dew point | ≤4℃(@ 25℃) |
Condensing control temperature | Factory set at 3.0℃ |
Temperature controller fluctuation | 3.0℃±1.0℃(@ 25℃) |
Condensing method | fluoride-free compressor |
Gas condensing pipe | A+B glass heat exchange pipes, diameter * heightΦ40mm*150mm |
Inlet gas pressure | ≤3bar |
Allowed gas differential pressure range | ≤3mbar(gas flow 2NL/min) |
Gas capacity | 4NL/min |
Trouble alarm | Low temperature alarm, deviation alarm, power off alarm; alarm status dry contact output, capacity 250Vac/1A |
Peristaltic pump | 5r/min |
withstand voltage testing standard | AC1500V |
Leak current | ≤3.5mA |
Inlet gas connector | OD6mm |
Water drainage port | OD6mm |
Condensing working temperature | ≤30min |
Installation method | Wall-mounted plate installation |
Power supply | 220VAC 50Hz |
Power supply consumption | 400W |
Cabinet size(W×H×D) | 310*280*290mm |
Cabinet color | RAL7035 grey |
Weight | 18kg |
4-20mA output | optional |