Electrolytic tank group and alkali liquor electrolysis hydrogen production system

The invention relates to an electrolytic bath group and an alkali liquor electrolysis hydrogen production system, the electrolytic bath group comprises a plurality of electrolytic baths and a plurality of alkali liquor tanks communicated with the electrolytic baths in a one-to-one correspondence mode, and the alkali liquor tanks comprise at least one main alkali liquor tank with a heat tracing structure and a plurality of auxiliary alkali liquor tanks; the electrolytic bath set further comprises a first alkali liquor circulation loop and a second alkali liquor circulation loop, the first alkali liquor circulation loop is used for conveying part of alkali liquor in the main alkali liquor tank to the multiple auxiliary alkali liquor tanks and enabling part of alkali liquor in the multiple auxiliary alkali liquor tanks to flow back into the main alkali liquor tank, and the second alkali liquor circulation loop is used for conveying part of alkali liquor in the multiple auxiliary alkali liquor tanks to the main a