一、概述 加快混凝土硬化,是现阶段发展混凝土制品工业最普遍和最有效的办法。养护时间占制品生产总时间的70～80％,养护对制品质量和企业的经济指标有很大影响。养护工艺应按适合的制度进行,因为慢养护将降低产量;过 I. Overview Accelerating the hardening of concrete is the most common and most effective method for the development of the concrete products industry at this stage. The maintenance time accounts for 70 to 80% of the total production time of products. Maintenance has a great influence on the quality of products and the economic indicators of enterprises. The conservation process should be carried out according to a suitable system, because slow maintenance will reduce production;