Background

A hydrogen production equipment company has produced a hydrogen consumption equipment with a fixed consumption of 5 Nm³/h. However, the output of the hydrogen production equipment they use is unstable and sometimes exceeds the amount of hydrogen required by the consuming equipment. In addition, the hydrogen flow of the consuming equipment cannot be controlled. Even if the hydrogen supply flow exceeds 5 Nm³/h, the consuming equipment will still use all the supplied hydrogen as long as the pressure does not exceed the standard. In order to ensure that consuming equipment always receives a stable supply of hydrogen while avoiding wasting hydrogen resources, the company needs a suitable hydrogen supply and emission solution.

Plan

The hydrogen supply and emission system mainly includes the following parts:

• Pressure control valve: Install a pressure control valve at the outlet of the hydrogen production equipment to ensure that the hydrogen output pressure is always within a safe range.

• Diverter Valve: Install a diverter valve downstream of the pressure control valve to split the hydrogen flow into two parts. One part flows directly into the consuming equipment, and the other part flows into the safety discharge system.

• Throttle device: Install fixed-diameter throttling devices at the two outlets of the diverter valve. Through precise calculations and experimental testing, a throttling device of appropriate diameter is selected to achieve the approximately required flow diversion. You need to do some experimentation and iteration to find the right caliber.

• Safety emission system: When the output of the hydrogen production equipment exceeds 5 Nm³/h, the excess hydrogen is discharged into the atmosphere through the safety emission system. Safety vent systems may include a high-pressure gas relief pipe and a mechanical pressure relief valve.

  
  

  Equipment selection

  Consider the following products:

  
  

• Pressure control valve: You can choose Fisher, Swagelok, Parker, etc.

  In addition, to ensure the stability and safety of the system, it is recommended to calibrate and maintain the pressure control valve, diverter valve and throttling device regularly.

  After the system was put into operation, the hydrogen supply and emission problems of hydrogen production equipment companies were effectively solved. Through the precise matching of the diverter valve and the throttling device, the system ensures that consuming equipment always receives a stable supply of hydrogen, while excess hydrogen is safely discharged. Although the accuracy and stability of this purely mechanical solution may not be comparable to that of electronic control systems, it can meet the needs of enterprises in simplifying systems and reducing costs.

  This case can provide reference for other hydrogen production equipment companies, helping them solve hydrogen supply and emission problems and optimize resource utilization. At the same time, it will also help promote technological innovation in the industry and provide support for the application of hydrogen energy in a wider range of fields.

• Pressure control valve: Install a pressure control valve at the outlet of the hydrogen production equipment to ensure that the hydrogen output pressure is always within a safe range.

• Diverter Valve: Install a diverter valve downstream of the pressure control valve to split the hydrogen flow into two parts. One part flows directly into the consuming equipment, and the other part flows into the safety discharge system.

• Throttle device: Install fixed-diameter throttling devices at the two outlets of the diverter valve. Through precise calculations and experimental testing, a throttling device of appropriate diameter is selected to achieve the approximately required flow diversion. You need to do some experimentation and iteration to find the right caliber.

• Safety emission system: When the output of the hydrogen production equipment exceeds 5 Nm³/h, the excess hydrogen is discharged into the atmosphere through the safety emission system. Safety vent systems may include a high-pressure gas relief pipe and a mechanical pressure relief valve.

If you are interested in the above hydrogen supply and emission system solutions and want to know more about hydrogen equipment and instrumentation, please visit our official website:Www.doweston.cn. As a manufacturer focusing on the field of hydrogen energy, we are committed to providing high-quality, high-performance hydrogen equipment and instrumentation to meet the various needs of our customers. Our phone number is +1 (314) 325-4420, if you have any questions or need help, please feel free to contact us. Thank you for your attention and we look forward to providing you with excellent products and services.