Solutions to common problems with hydrogen generators
During the use of the hydrogen generator, sometimes there are various abnormal phenomena. How should we deal with it?
1. The hydrogen generator produces less than the predetermined pressure, and the hydrogen number is displayed above 500ml/min, that is, the instrument display amount exceeds the actual usage. The cause of the failure is:
(1) Air leakage from the pneumatic system; (2) The filter or filter upper cover is not tightened; (3) The hydrogen electrolytic cell is leak-proof.
Inspection method: Check the connection of each gas path with the leak detection fluid.
Remedy: (1) replace the gas leakage component; (2) tighten the leak point; (3) contact the manufacturer to replace the electrolytic cell.
Second, hydrogen generator hydrogen production exceeds the predetermined pressure of 0.1MPa
The cause of the failure: (1) The optical tracking device of the automatic tracking device is misaligned or dropped; (2) The photoelectric coupling is damaged.
Inspection methods: (1) visual inspection; (2) measurement circuit with a multimeter.
Remedy: (1) Turn off the power when the pressure on the front panel reaches 0.3MPa, install the light barrier in a reasonable position, turn on the power switch and gently tap the light barrier; (2) Replace the damaged optocoupler.
3. After the hydrogen generator is turned on, the hydrogen production rate increases slowly from tens of ml/min, and the pressure cannot reach 0.3 MPa in 5 inin time.
The cause of the malfunction: the electrolytic cell leaks.
Inspection method: visual inspection.
Remedy: (1) The electrolytic cell is clamped with a vise and tightened; (2) The seal is fixed with a flat sealant; (3) The mechanical damage cannot be repaired, and the electrolytic cell should be replaced.
4. After the hydrogen generator is turned on, the hydrogen production amount is less than 300ml/min or it takes a long time to reach.
The cause of the failure: (1) electrolyte failure; (2) the switch is not tightened, there is a gas leakage phenomenon.
Inspection method: (1) Observe whether the liquid level of the electrolyte is lower than the lower limit or the electrolyte is used for more than half a year; (2) Test leak.
Remedy: (1) Add double distilled water or deionized water in time. Or the newly configured cooled electrolyte (mother liquor) is poured into the liquid storage tank, and then the secondary distilled water or deionized water is added, and the water level is between the lower limit of the water level line (the concentration of the potassium hydroxide solution is about 10%). Screw on the cover and use it after 10 minutes; (2) Continue to tighten the switch to make the pressure and flow of the instrument reach the standard.
5. After the hydrogen generator is turned on, the hydrogen production cannot be stabilized and has been fluctuating within a small range.
Cause of failure: electrolyte failure.
Inspection method: Observe whether the liquid level of the electrolyte is lower than the lower limit or the electrolyte is used for more than half a year.
Remedy: Newly configure 10% potassium hydroxide electrolyte to replace or add water.
6. The drying tube has water:
The cause of the malfunction: 1. The quality of the silica gel is poor or not fully regenerated.
Inspection method: visual inspection
Remedy: 1, replace the good silicone or bake time is generally 120 ° C for 12 hours 2, replace the gas water separator or re-commission 3, contact the manufacturer in time
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