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Hydrogen analyzer
INSTRUMENT TYPE: selective CHA hydrogen analyzer
Designed for the selective determination of hydrogen concentration in multicomponent gas streams using a proton-exchange membrane sensor with a platinum coating, insensitive to the presence of hydrocarbons and aggressive impurities.
SPECIFICATIONS
METROLOGICAL:
- Measured parameters: hydrogen content in gases
- Detector Type: Permeable Platinum Membrane
- Measuring Range: 0/10/100%;
- Accuracy: ± 2% of span
- Response Time: 1-2 minutes typically,
- It is entered in the State registry of SI of the Russian Federation No. 37375-08
OPERATIONAL:
- Explosion protection: 0ExiaIIСТ4, Certificate of Conformity No. TC. RU C-US.GB04.B.00191
- Sample temperature: 0 ... 50 ° C
- Pressure and flow rate: 0.5 ... 1.5 atm, 0.1 ... 1 l / min
- Signal Outputs: 4-20 mA
- Power Supply: 24 VDC current, 100 W
- Additional support: reference gas - hydrogen 100%, flow rate 25 ml / min
- Method and installation conditions: panel mounting with a sample preparation system
- Dimensions and weight: 508x610x305 mm, weight 8 kg
ADDITIONAL SECURITY
- Additional heater: 220, 120 V of alternating current, 500 W
- Relative hydrogen consumption: 50% H 2 residues N 2 20psig through the sensor cell: 25 cm 3 / min. 100% H 2 residues N 2 20psig through the sensor cell: 30 cm 3 / min.
- Calibration hydrogen consumption: 1% N 2 residues N 2 20psig through the sensor cell: 175 cm 3 / min. 100% N 2 residues N 2 20psig through the sensor cell: 500 cm 3 / min.
Isomerization - Determining the concentration of hydrogen in isomerization processes is important from several points of view. For example: optimizing the ratio of hydrogen concentration to hydrocarbon concentration provides a stoichiometric balance; there is an opportunity to determine when any violations occur in the production process; it is possible to determine the purity of the recycle gas from the point of view of eliminating leaks; control the purity of hydrogen; determine the degree of hydrogen absorption in adverse reactions with impurities, for example, in the case of gasoline saturation.
Polyolefin Production - The concentration of hydrogen in a reactor determines the molecular weight and, accordingly, the chemical and physical properties of polymers. Continuous monitoring of hydrogen concentration allows you to quickly switch from one polymer to another with minimal material loss.
Hydrogen Production - Continuous monitoring of hydrogen purity. CHA instantly detects any irregularities or deviations in the process that lead to a decrease in yield and / or a violation of purity.
Hydrogen cooling of power plants - The effectiveness and safety of a hydrotreating operation depends on high purity, which can lead to ventilation losses and the formation of a dangerous mixture of air with hydrogen.
Hydrotreating - Continuous monitoring of the concentration of hydrogen in the gas stream to the reactor enables the operator to control the chemical requirements and coke consumption.