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氢气发生器
1,代替了代价高昂的危险气瓶
2,显著地节省气瓶
3,安装简单，无特殊要求
4,复杂的控制和安全系统
5,具有自动转换开关
6,满足所有的标准和法规

Hydrogen-Generators

Eliminates costly dangerous gas cylinders
Significant savings over cylinders
Simple installation, no special requirements
Constant purity with no fall off in performance
Sophisticated control and safety system
with automatic changeover switch
Meets all standards and regulations

Hydrogen generating in ultra high purity

The HG series hydrogen generator produces pure hydrogen (ａnd oxygen as a byproduct) by the electrolysis of water. The hydrogen (uhp quality 99,99999%) output flow is dependａnd on the model purchased, and it will generate the exact amount of hydrogen flow at a preset pressure (0…4 barg) as required by the attached application.

Technical Details

The key element of the generator is an electrochemical cell assembly which contains a solid polymer electrolyte. The solid electrolyte material is in the form of a sheet of plastic. There are no free acids or alkalines used. Deionized, destilled water is the only liquid contained in the unit; this must be periodically replenished as it is consumed. The generated hydrogen gas is accumulated in the hydrogen/water reservoir and the desiccant housing. The pressure is controlled through the use of a pressure transducer and adjusted at the front of the unit by service menu. The LC-display indicates the output pressure, and the hydrogen flow. The gas is dried by passing it through a drying nafion-tube and a desiccant tower. The water flows from the internal water tanks to the electrochemical cell assembly. Inside the cell assembly, electrolysis occurs, and positively charged hydrogen ions are transported across the solid polymer electrolyte along with excess water molecules. Negatively charged oxygen ions recombine to form molecular oxygen. The oxygen saturated water is fed into a water/oxygen separator vent, where the water is returned to the water tank, and the oxygen is vented to the atmosphere. The positively charged hydrogen ions recombine to form molecular hydrogen. The generated hydrogen is made available at the output port of the system. Residual hydrogen is vented to the atmosphere, and excess water is returned to the water tank.

The quantity of hydrogen generated is directly proportional to the flow of current across the cell module. This current is carefully modulated by the electronic control circuitry that is an important part of the generator. The electrical power supplied to the cell is regulated to provide just enough power to create the required flow rate of hydrogen. The hydrogen generators can be installed in the laboratory and do not classify the surrounding area as dangerous.

Technical data

Type		HG 200
Output Pressure		0…4 bar (optional 0…6 bars)
Maximum Flow Rate		200 ml/min
Electrical Requirements		230V/50Hz optional 110 V
Power consumption		250 W
Deionized Water (quality)		< 10 µS / cm
Ambient temperature		+5°…+35°C
Outlet Port		1/8 "
Dimensions W x H x D		45 x 26 x 50 cm
Shipping Weight		approx. 45 kg

H2 Generator Models for large volume of H2

	Flow	Power consumption
HG 300	300 ml/min	350 W
HG 600	600 ml/min	750 W
HG 1200	1200 ml/min	1250 W

All Hydrogen Generators in 19"-housing available.

Shipping weights

HG 300
50 kg

HG 600
55 kg

HG 1200
65 kg

Sizes of housings

Desktop version
19"-rack-version

Options

Failure indication and alarm by gas- and watersupply failure
Failure indication and alarm by powersupply failure
Automatic gasline switch to cylinders by system failure

Maintenance and spare parts

The primary routine maintenance required for the hydrogen generators are

Replacing or regenerating the silicagel desiccant when indicated by colour change
Replacing the deionizer bags inside the generator (for your own safety, we recommend the change once a year)

Article		Deionizer bag
Part No.		HPSA 020

Water consumption

It is possible to produce 1,2 m³ hydrogen out of 1 ltr. deionized water (55,6 mol H2O). To supply a GC-FID a volume of 30…40ml/min. of carrier gas is needed. The supply of 6 FID's with 2 ltrs. of water is for one week by 24-hours-working possible.

Download Specification

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