Efficient integrated distributed methanol reforming hydrogen production purification system

Abstract

The invention discloses an efficient integrated distributed methanol reforming hydrogen production purification system. The system comprises a methanol aqueous solution evaporator, a methanol steam reformer, a hydrogen purifier, a first shunting device and a second shunting device, the first flow dividing device is used for dividing methanol steam into at least two parts and respectively introducing the two parts into the methanol steam reformer; the second shunting device is used for converging reformed gas produced by the at least one methanol steam reformer and conveying the reformed gas into the at least one hydrogen purifier; a heating module is arranged in the hydrogen purifier, the methanol water solution evaporator completely or incompletely covers the methanol steam reformer, and the methanol steam reformer completely or incompletely covers the hydrogen purifier; the efficient integrated distributed methanol reforming hydrogen production purification system solves the problems that a small distributed methanol water reforming hydrogen production device is long in preheating time, slow in starting, not compact enough in system structure, low in energy utilization efficiency and the like.

Description

technical field [0001] The invention relates to the technical field of methanol water reforming hydrogen production equipment, in particular to an efficient and integrated distributed methanol reforming hydrogen production purification system. Background technique [0002] Methanol water evaporator, reformer and purifier are the key components in the hydrogen production system. In the commonly used ratio range, the temperature required for the evaporation of methanol aqueous solution is generally 70-80°C, the reforming reaction temperature is generally 200-300°C, the purifier operating temperature is generally 400°C, and the three units are all endothermic units . In order to minimize the external energy supply, a reasonable layout of the three units is required. In addition, in order to realize the production and use of hydrogen, the volume of the device should not be too large. The compact structure can make the system easier to control, and at the same time can improve h...

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Problems solved by technology

[0003] In order to solve the above technical problems, the present invention provides an efficient and integrated distributed methanol reforming hydrogen production purification system, which solves the problems of long warm-up time, slow startup and insufficient compact system structure of small distributed methanol water reforming hydrogen production devices. And energy utilization efficiency is not high

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