| 摘要 |
The present invention relates to a procedure for controlling pressure in an electrolysis apparatus and to an electrolysis apparatus for producing hydrogen and oxygen. The electrolysis apparatus produces hydrogen and oxygen by decomposing electrolytic liquid with the aid of electric current. The apparatus comprises a closed pressurized electrolytic cell (10) for producing hydrogen and oxygen, a hydrogen line (23, 28) for conducting hydrogen out of the electrolytic cell (10) to a hydrogen storage (30), an oxygen line (22, 33) for conducting oxygen out of the electrolytic cell (10), and feed means (17, 18, 19, 20, 21) for supplying electrolytic liquid into the electrolytic cell. Between the pressure of the oxygen line (33) and the pressure of the hydrogen line (28) a given pressure difference is maintained by conducting the oxygen discharged from the system through one or more spring-loaded overflow valves (34) so that the pressure prevailing in the hydrogen line (28) is conducted to the spring side of the overflow valve (34). |
