一、保鲜用品5％的高锰酸钾水溶液、5％的漂白粉溶液、燃烧后的蜂窝煤球残渣或活性炭、塑料编织袋。二、保鲜技术1．保鲜剂制备。用5％的高锰酸钾溶液浸泡蜂窝煤燃烧后的残渣或活性炭数小时，然后将其捞出，沥去溶液置阴暗通风处晾至半干，制成小块或小颗粒，即为保鲜剂。2塑料 First, the preservation supplies 5% potassium permanganate solution, 5% bleach solution, after burning briquettes residue or activated carbon, plastic woven bags. Second, preservation technology Preservatives preparation. 5% potassium permanganate solution soak honeycomb coal combustion residues or activated carbon for several hours, and then remove it, drain the solution to the dark and ventilated place to dry to semi-dry, made of small pieces or small particles, that is, preservative . 2 plastic