http://www.taiyi-machinery.com..../heat-treatment-furn Description:
Pit furnace is a periodic operation furnace, suitable for the heat treatment of rod and long shaft parts. The structure of the pit furnace is: the furnace body is a cylindrical deep well, and the workpiece is vertically loaded into the furnace by a special crane for heating. The fuels used are usually gas and oil. When electricity is used as a heat source, it is called a well-type resistance furnace. Pit furnaces are generally placed below the ground level of the workshop, and some are placed above the ground level, or half of the above ground level.
Taiyi pit furnaces are used for a variety of processes with and without retorts. Our pit furnaces are designed be versatile workhorses: they handle both large workpieces and small parts loaded in baskets. We provide designs for atmosphere and direct fired applications. We have manufactured various sizes of pit