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High temperature gas adsorption analyzer for hydrogen storage CIQTEK EASY-H 2210 and 2420
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High temperature gas adsorption analyzer for hydrogen storage CIQTEK EASY-H 2210 and 2420
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EASY-H 2210 and EASY-H 2420 high-pressure high-temperature gas adsorption analyzers are high-performance adsorption and desorption isotherm testing instruments independently developed by CIQTEK, which adopts the static volumetric method.
Features:
- Built-in test computer, safe and stable. 10-inch capacitive touch screen, can be controlled by tablet.
- Micro-welded stainless steel sample tube and metal surface of the VCR are sealed and connected to ensure reliable sealing under high temperature and high pressure; high-precision test data can still be obtained with a small sample loading.
- Safety protection door can prevent accidents caused by accidental contact with low-temperature liquid nitrogen and eliminate the influence of environmental factors on the test.
- Heating units up to 550°C (1022°F) for easy use; The higher temperature heating device can be equipped with a rigid heating furnace with built-in ceramic fiber.
- The built-in ball screw lifting system controlled by a stepper motor eliminates the disadvantages of the common screw types that are easy to jam, etc.
- For EASY-H 2210: Two independent sample processing ports can be performed simultaneously with sample testing, improving the testing efficiency.
Technical Specifications:
Test Principle:
Static Volumetric Method
Main Functions:
Measuring adsorption/desorption isotherms at any temperature from room temperature to 550°C (1022°F), measuring supercritical Gibbs adsorption; Measuring the adsorption and desorption rate of gas (i.e. adsorption-desorption kinetics); PCT isotherm measurement, desorption platform measurement with TPD temperature and hydrogen emission temperature programming, hydrogen absorption platform and injection pressure measurement, hydrogen absorption and discharge cycle experiment (fatigue test); Coal adsorption and analytical capacity measurement, adsorption rate and resolution measurement; Gas adsorption constant values a and b; Adjustable adsorption and desorption capacity measurement function under constant pressure coal simulation.
Test accuracy:
Repeatability error is less than ±3%.
Test temperature:
Room temperature to 550°C (1022°F) (higher temperature can be set); -196°C (-320.8°F) to room temperature (optional for low temperature test function module).
Temperature control:
The temperature control range can reach any temperature from room temperature to 550 ℃ (1022 ° F) with a temperature control accuracy of 0.1 ℃ (32.18 ° F);
The software includes a PID temperature control function, which allows precise control of any multi-stage heating rate;
The temperature control process is set and executed automatically through the software interface, without the need for an external thermometer, which eliminates tedious manual operation and possible failures in the operation of multi-stage temperature control and improves the automation of the instrument.
Test pressure:
Continuous adsorption and desorption in the vacuum pressure range of ~ 200 Bar; The number of experimental equilibrium pressure points and the pressure value can be flexibly set by the software.
Data processing:
Langmuir model regression isotherm, measurement of Langmuir maximum adsorption constant L and adsorption pressure constant B (carbon adsorption a and b values); Loading Correlation Regression (LCR) isotherm of Langmuir correction model; three-parameter Langmuir regression isotherm.
Sample numbers:
For EASY-H 2210: Two samples are tested alternately, and two analysis ports and two analysis ports can perform cycling test/TPD test/hydrogen uptake and desorption kinetics tests; Degassing treatment of two samples.
For EASY-H 2420: Four analysis ports and two analysis ports can perform cycling test/TPD test/hydrogen uptake and desorption kinetics tests.
Sample tube:
Standard 10ml stainless steel microwelding sample tube. Other volume sample tubes can be customized.
Test gas:
High purity nitrogen, CO2 or others (Ar, Kr, H2, CH4, etc. optional)
Pipeline structure:
316L stainless steel thick-walled pipeline, high-pressure microwelding pipeline system, the main pipeline using microwelding technology to seal the joint, effectively reduce the dead volume and improve the testing accuracy;
All-metal VCR joint, safe and reliable, easy to install or remove the pipeline joint.
Vacuum pump:
Two-stage vacuum pump, optional molecular pump.
Control system:
High pressure pneumatic valve with VCR interface realizes automatic on/off control in the pressure range of 200Bar, tightness up to 1x10-10 Pa.m3/s, service life up to 5 million times;
Programmable logic controller system with high integration and strong anti-interference ability improves the stability and service life of the instrument.
Protection measures:
Equipped with external protective door, eliminating the high temperature injury to the experimental operator. More importantly, it effectively reduces the influence of external air flow changes on the test, greatly improving the test stability and accuracy of the instrument.
Safety measures:
The original EASY-H progressive inflation and deflation technology realizes automatic gas inflation and deflation, safe and reliable, eliminating the danger of manual control of high-pressure gas supply and reducing the damage caused by the impact of large pressure difference to the pressure sensor.