| After-sales Service: | Send Engineer Installation and Teach Craft |
|---|---|
| Warranty: | 2 Years |
| Output Type: | AC Three Phase |
| Gas Source: | Gas |
| Certification: | CE |
| Power: | 50-200kW |
| Customization: |
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With the continuous development of economy and society, the requirements for energy cleanliness and high efficiency are becoming more and more prominent.
The energy structure is urgent. Hydrogen has been widely used for a long time due to its wide source, high calorific value and zero pollution.
It is considered to be one of the clean energy sources with the most development potential, and hydrogen energy has also become an important way to adjust the energy structure.
Among them, hydrogen fuel cell stack is an important application field of hydrogen energy.
In terms of hydrogen requirements for hydrogen fuel cell stacks, it is in line with the hydrogen standard GB/T of general industrial industries.
3634.2-2011 is very different. As shown in the figure below, GB/T 37244-2018 "Proton Exchange Membrane Fuel Cell Gas
Vehicle Fuel Hydrogen", in terms of hydrogen purity, 99.99% of high-purity hydrogen can meet the requirements of 99.97% of fuel hydrogen.
It should be noted that CO≤0.2ppm is required.
| GB/T37244-2018 "Hydrogen Fuel for Proton Exchange Membrane Fuel Cell Vehicles" | |
| Project name | Index |
| Hydrogen purity (molar fraction) | 99.97% |
| Total non-hydrogen gas | 300μmol/mol |
| Maximum concentration of single type impurities | |
| Water (H2O) | 5μmol/mol |
| Total hydrocarbons (as methane) * | 2μmol/mol |
| Oxygen (O2) | 5μmol/mol |
| Helium (He) | 300μmol/mol |
| Total Nitrogen (N2) and Argon (Ar) | 100μmol/mol |
| Carbon Dioxide (CO2) | 2μmol/mol |
| Carbon Monoxide (CO) | 0.2μmol/mol |
| Total Sulfur (as H2S) | 0.004μmol/mol |
| Formaldehyde (HCHO) | 0.01μmol/mol |
| Formic acid (HCOOH) | 0.2μmol/mol |
| Ammonia (NH3) | 0.1μmol/mol |
| Total halogen compounds (as halide ions) | 0.05μmol/mol |
| Maximum particle concentration | 1mg/kg |
| * When the methane concentration exceeds 2 μmol/mol, the total concentration of methane, argon and nitrogen is not allowed to exceed 100 μmol/mol. | |
The fuel cell power station adopts PEMFC fuel cell technology, which directly converts hydrogen into electrical energy through chemical reaction and simultaneously generates a certain amount of heat energy, which gets rid of the limitation of Carnot cycle of traditional combustion reaction, and has the advantages of high power generation efficiency, small size, quietness and zero carbon emission. , full operating conditions and other advantages.
The main advantages of fuel cell technology are as follows:
(1) High power generation efficiency:
Fuel cell power generation is not limited by the Carnot cycle. Theoretically, its power generation efficiency can reach 85% ~ 90%, but due to the limitations of various polarizations during operation, the current power conversion efficiency of fuel cells is about 40% ~ 60%. If the combined heat and power supply is realized, the total utilization rate of fuel can be as high as 90% or more.
(2) Small environmental pollution:
Because the fuel gas of the fuel cell must be desulfurized before the reaction, and electricity is generated according to the electrochemical principle, there is no high-temperature combustion process, so almost no nitrogen and sulfur oxides are emitted, which reduces the pollution to the atmosphere.
(3) Less radiation
The fuel cell has a simple structure, less radiation and less loss. Even in the vicinity of a fuel cell power plant of the 11MW class, the measured radiation is very small.
(4) High reliability
When the load of the fuel cell changes, it will respond quickly (10%-100% load change within 15s). Regardless of overload operation above rated power or operation below rated power, it can withstand with little change in efficiency. Due to the highly reliable operation of fuel cells, they can be used as various emergency power sources and uninterruptible power sources.
(5) Easy to construct
The fuel cell has an assembled structure, which is convenient for installation and maintenance, and does not require many auxiliary facilities. The design and manufacture of fuel cell power plants are quite convenient.
SINOPED is a professional manufacturer and supplier machinery and equipment in China,We belong to SINOPED International Group.
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