Patent ID: 7553398

Claim:
A plant for decomposition of water by electrolysis comprising: lines for supplying water and electrolyte and for extracting electrolysis products; an electrolyzer having a body installed on a shaft connected to a drive and incorporating ducts for supplying electrolyte solution and extracting the electrolysis products as well as an electrolyte solution drain duct; short-circuited electrodes—one electrode installed on the shaft and the other one formed by the internal surface of the body; and a heat exchanger; top and bottom bearing units holding a vertical shaft; an external electrolyte solution circulation path containing an electrolyte solution ring chamber with a helix-shaped internal surface which is fixed to the top bearing unit; an electrolyte solution sensor is installed, and an electrolyte solution mixer is connected to water and electrolyte supply lines as well as to the electrolyte solution supply duct; the electrolyzer body is made of electrically conducting material and is provided with bottom and top covers made of electrically conducting material; an electrolyte solution extraction channel is located in the top cover and is equipped with an adjustable valve connected to the electrolyte solution ring chamber; the water supply line is equipped with a water flow regulator; the electrolysis products extraction line is provided with an electrolysis products pumping device; the heat exchanger is located in the external electrolyte solution circulation path; the electrolyte solution sensor is connected to the water flow regulator and the shaft drive.