System for refrigerating by utilizing power generation waste heat of methanol recombination hydrogen production fuel cell

• Main Authors: WU YONG, HUANG MINJIE, WANG CHENWU
• Format: Patent
• Language: Chinese; English
• Published: 30.05.2023
• Subjects: BASIC ELECTRIC ELEMENTS; BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; ELECTRICITY; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; WEAPONS

The invention provides a system for refrigerating by utilizing power generation waste heat of a methanol recombination hydrogen production fuel cell. The system comprises a methanol recombination unit and a fuel cell unit which can provide waste heat, and a circulating unit, a heat exchange unit, a heating unit and a refrigerating unit which are connected in series through a heating circulating line, according to the system, cooling liquid heat of the fuel cell unit, exhaust smoke waste heat of the methanol recombination unit and exhaust gas heat energy of the fuel cell unit are fully recycled through the two stages of heating units, the temperature of heating water of a generator of the refrigeration supply unit is effectively increased through gradient heating, and the heat utilization efficiency is improved. 本申请提供了一种利用甲醇重组产氢燃料电池发电余热制冷的系统，其包括能够提供余热的甲醇重组单元和燃料电池单元，以及通过加热循环线路串联的循环单元，换热单元，加热单元和制冷单元；该系统通过两级加热单元，将燃料电池单元的冷却液热量、甲醇重组单元的排烟废热和燃料电池单元的乏气热能充分回收，通过梯度加热有效地提高了制冷供应单元发生器加热水的温度，增加了热利用效率。