Pit oven usage:
Pit oven mainly used for large, long length workpiece heat treatment. At the condition to meeting technical requirements, also can save the workplace.
Features of pit oven:
1, Pit oven adopts open the door at the top, there are a variety of open forms of hydraulic, pneumatic, electric, etc.,. Door lifting and down limit detection
components adopt proximity switch, while the door in place there is stretch pin for protection. There is maintenance door at oven side, in order technican to
access easy to maintenance .
2, Higher pit oven using upper, middle and lower 3-zones for partition temperature control, and using different hot air circulation according to different
3, Use imported temperature control instrument, the use of three-phase voltage regulator to control electric heating power, paperless recorder records the
furnace temperature. And through logging devices, displays multi-point temperature inside.
4, Can be designed and manufactured according to customer needs.
Pit furnace is a kind of periodic operation furnace, suitable for rod type, long length shaft parts heating treatment. Pit furnace structure: furnace body is cylindrical shape deep pit, workpiece loaded by a dedicated vertical crane into the furnace for heating. The fuel used as gas and fuel oil generally. If with electricity as heat source, called as resistance furnace (pit type tempering furnace). Pit furnace is generally placed below ground level, there are also placed above ground level or above and under ground level each half. Pit furnace have: pit forced convection oven, natural convection pit furnace, pit gas carburizing furnace.
Pit furnace be heated gas or liquid fuel, can also be heated electrically. When using gaseous fuel, typically a plurality of small energy burners, installed along the inner wall of the furnace tangential direction, at the height of a hierarchical or spirally arranged uniformly, in order to avoid the direct flame erosion to workpiece, to ensure a uniform furnace temperature.