cooling device for catalytic reactor of methanation of Carbon dioxide

The device (10) of the reactor for cooling (105) catalytic carbon dioxide methanation comprises: - at least one tube (110) of cooling through the reactor comprising: - an inlet (115) and - an outlet (120) positioned at a higher elevation than the inlet, - a ball (125) of water supplied to the tube by gravity, comprising: - an output (130) of water connected to the inlet of the tube; - an inlet (135) of water and steam connected to the output of the tube; - an output (140) of steam and - an inlet (145) of water supply, - means (150) for measuring the temperature in the catalytic reactor, and - means (155) for controlling a level of water in the water tank configured to supply the water tank water to maintain a predetermined water level in the flask.