Description
The standard humidifier unit contains an independent sub-system that allowing for fuel or oxidant humidification only. As the fuel or oxidant gas enters the corresponding sub-system of the humidifier, it passes through a diffuser that disperses the gas stream into a train of bubbles. The bubbles then travel up through a column of heated deionized water (evaporator), thus humidifying the gas. The space above the deionized water in the evaporator column is known as the headspace. The headspace may optionally be equipped with a heater and temperature controller. After passing through the evaporator column, the gas stream exits the humidifier.
The temperature of the deionized water in each sub-system can be set by the user in the range from ambient to below Tb, where Tb is the boiling point of the water at the reactant gas pressure. The maximum water temperature for the unit is 115°C.
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EVAPORATORS |
Two water columns equipped with temperature controlled 500 Watt heaters, and gas diffusers |
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EVAPORATOR OUTLET PRESSURE |
50 psi |
| EVAPORATOR TANK VOLUME | 2 Liters |
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TEMPERATURE RANGE OF CONTROL |
Ambient to below the boiling temperature of water at the fuel cell gas pressure. DO NOT EXCEED 115°C. |
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TEMPERATURE CONTROLLERS |
PID Control with Modbus communication |
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HEADSPACE HEATERS (optional) |
100 Watt band heaters |
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DEIONIZED WATER PRESSURIZING PUMP |
Optional. Pressurizes water to 100 psi. |
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EXTERNAL RESERVOIR CAPACITY |
2 Liters, Optional. |
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OVER PRESSURE RELIEF VALVE |
Set at 75 psi |
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OVER TEMPERATURE RELAY |
Set at 120°C (250°F) |
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TEMPERATURE INPUTS |
PT100 Sensors |
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CONNECTIONS |
¼” Ham-Let 316 SS |
HEATED TRANSFER LINE SPECIFICATIONS
| LENGTH | 1m |
| INTERNAL DIAMETER | 1/4 inch (6.35mm) |
| MATERIAL |
Flexible SS316 Hose
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| ISOLATION |
Knitted Ceramic and Glass Wool
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| TEMPERATURE SENSORS |
PT100
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| OPERATING VOLTAGE |
110-120V or 220-250 VAC 50-60 Hz
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| HEATING POWER |
300W
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| FITTINGS |
Humidifier side: 10mm double ferrule fitting
Cell Side: 1/4 double ferrule fitting
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| MAX WORKING TEMPERATURE |
200°C
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| MAX PRESSURE |
25bar @20°C
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| SENSOR and POWER CONNECTOR | SP16-04 IP68 PA66 connector |
SOFTWARE
| COMMUNICATION |
RS485 MODBUS ASCII and RTU
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| 3rd PARTY SOFTWARE INTEGRATION |
One can easily integrate the humidifier controls to any software capable of MODBUS communication.
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| SOFTWARE SUPPLIED |
A fully functional Computer Software is supplied for humidifier control. The software is DEMO marked but fully functional for the humidifier. If the customer wants to extend the software for other functions like (addition of gas flow controls, additional temperature controls, pressure measurement, and control), the software must be purchased.
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