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在没有煤气灯或酒精喷灯时,加工玻璃仪器或想获取高于普通酒精灯的温度时,下面介绍的一套自制加热设备可以得到满意的效果。这套加热设备,由微型鼓风机和小煤油灯两部分组成。微型鼓风机制作。材料:玩具微型电机一个,空鞋油盒(铁制,直径6厘米左右)一个,小开关一个,薄铁片若干(可用空罐头盒铁片),细绝缘导线20厘米左右,一号电池一节。制法:首先将鞋油盒的底部在中心打一个孔(0.5厘米左右),在盒底侧边打一个直径
In the absence of gas or alcohol torches, a self-manufactured heating device described below can achieve satisfactory results when processing glassware or when it is desired to obtain higher temperatures than conventional alcohol lamps. The heating equipment consists of a micro blower and a small kerosene lamp. Miniature blower production. Materials: One miniature toy motor, one empty shoe box (iron, about 6 cm in diameter), one small switch, several thin iron pieces (available empty tin box iron pieces), thin insulated wire about 20 cm, one battery section . Method of manufacture: First, make a hole in the center of the shoe box (about 0.5 centimeters), and make a diameter on the bottom side of the box.