Temperature control system for palladium tube purifier in methanol-water hydrogen production machine and temperature control method thereof

Abstract

The invention relates to a temperature control system for a palladium tube purifier in a methanol-water hydrogen production machine. The temperature control system comprises a methanol water fuel tank, a pump, an evaporator, a combustion chamber, a buffer chamber and a palladium tube purifier temperature control box which are connected in sequence, and further comprises a temperature monitoring assembly used for monitoring the temperature of all positions of the palladium tube purifier temperature control box so as to prevent an overheat point and an overcold point from being generated. And the combustion chamber is connected with a fan. According to the temperature control system for the palladium tube purifier in the methanol-water hydrogen production machine, the palladium tube purifieris uniformly heated in the use process, an overheat point and an overcold point cannot be generated, and the service life of the palladium tube purifier is prolonged.

Description

technical field [0001] The invention relates to the technical field of methanol water hydrogen generators, in particular to a temperature control system and a temperature control method for a palladium tube purifier in a methanol water hydrogen generator. Background technique [0002] Due to the advantages of green environmental protection, good environmental adaptability, and long service life of fuel cells, fuel cells have begun to be applied in communication base stations and other fields. [0003] At present, hydrogen production in the world mainly comes from fossil resources such as coal, natural gas and methanol to produce hydrogen, and the produced hydrogen contains CO. 2 , CO and CH 4 Such impurity gases cannot be directly supplied to the fuel cell and require further separation and purification. The main hydrogen separation methods are pressure swing adsorption, cryogenic separation and membrane separation. Among them, membrane separation technology has the advant...

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Problems solved by technology

[0004] As a form of palladium membrane, the palladium tube has been widely used in hydrogen separation, but the working temperature of the palladium tube is about 400 ℃, and the palladium tube needs to be heated to reach the separation working temperature. The conventional heating methods are electric heating and direct fire Burning the palladium tube, the two heating methods are easy to produce hot spots and super cold spots, supercooling will reduce the separation efficiency of the palladium tube, and the expected separation effect will not be achieved, and overheating will easily damage the palladium tube

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