This is an on-site gas generation device that generates hydrogen using natural gas as the main raw material, utilizing a reformer developed independently by our company.
1. Achieving the industry's smallest NG raw material unit By adopting a highly efficient heat recovery, heat utilization, and hydrogen purification process, we have achieved the industry's smallest NG raw material unit of 0.34 Nm3/Nm3-H2 (expected value). ■ Unique reformer tube heating structure and integration of high-temperature processes (hot box) Our unique reformer tube heating structure enables uniform reforming efficiency, and by integrating high-temperature processes into a hot box, we achieve efficient heat utilization. ■ Thorough heat recovery process We employ a process that allows for thorough heat recovery. Additionally, by recovering off-gas from the PVSA, we minimize the fuel consumption of natural gas. ■ Purification technology Hydrogen purification is achieved through the vacuum swing adsorption method (PVSA), improving the recovery rate from the usual 70-80% to over 90%. 2. Environmental aspects Compared to our conventional model "VH," we have reduced CO2 emissions per unit of hydrogen by 10%, contributing to the reduction of CO2, a greenhouse gas.
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basic information
◆Device Lineup 1. VHR-100N Generation Capacity (Operating Range): 100Nm3/hr (40–100) Product Purity: 99–99.999% or higher, Dew Point below -60℃ 2. VHR-200N Generation Capacity (Operating Range): 200Nm3/hr (80–200) Product Purity: 99–99.999% or higher, Dew Point below -60℃ 3. VHR-300N Generation Capacity (Operating Range): 300Nm3/hr (120–300) Product Purity: 99–99.999% or higher, Dew Point below -60℃ 4. VHR-400N Generation Capacity (Operating Range): 400Nm3/hr (160–400) Product Purity: 99–99.999% or higher, Dew Point below -60℃ ◆Utilities Natural Gas: 13A, LNG Pressure 0.03MPa–0.99MPa Water Supply: Drinking water level Pressure 0.2MPa or higher Electricity: AC200/400 V (50/60 Hz) Cooling Water: 5–32℃ Pressure 0.2–0.3MPa Instrument Air: Dew Point -20℃ Pressure 0.5–0.7 MPa Nitrogen: Pressure 0.7MPaG or higher
Applications/Examples of results
The Air Water Group is one of Japan's leading hydrogen manufacturers, with nine on-site hydrogen gas supply bases and eleven compressed hydrogen production bases across the country, supplying hydrogen gas to users. From cylinders and cardles to trailers and on-site supply, we support stable and safe hydrogen supply with a consistent responsibility system from manufacturing to transportation and sales, tailored to the optimal supply form based on customer usage and location. *For more details, please feel free to contact us.
Company information
Starting with the supply of industrial gases, we expand our business to deliver a variety of products and services, including industrial gases and chemicals that thrive in manufacturing environments, medical supplies that support people's lives, energy and agriculture/food related to daily living, as well as logistics, seawater, aerosols, and more.
