Well type thermal treatment furnace for ring piece

Abstract

The invention discloses a well type thermal treatment furnace for a ring piece. The thermal treatment furnace is arranged in a laid foundation below a horizon line of a workshop. A furnace bottom channel which can facilitate maintenance of the thermal treatment furnace is arranged between a furnace body of the treatment furnace and the foundation; a middle barrel is arranged in the furnace body; furnace linings are arranged on both the inner wall of the furnace body and the outer wall of the middle barrel and are respectively tightened and fixed through stainless steel and round steel; a plurality of heating elements positioned by high-aluminum porcelain nails are hung on the furnace linings; a furnace cover with heat insulation property and sealing property is also arranged at the top end of the furnace body; and a lifting mechanism and a moving mechanism are arranged on the furnace cover. The well type thermal treatment furnace is simple in structure and convenient to manufacture, is generally used for performing thermal treatment such as hardening, normalization, quenching, annealing and tempering on medium and large size metal ring pieces and is relatively professional periodic thermal treatment equipment which is more energy-saving.

Description

technical field [0001] The invention belongs to the technical field of industrial furnaces, and in particular relates to a well-type heat treatment furnace for quenching and tempering normalizing, quenching, annealing, tempering and other heat treatments of large and medium-sized metal rings. Background technique [0002] At present, most of the heat treatment furnaces for ring parts are box-type or desktop box-type heat treatment furnaces, and some well-type heat treatment furnaces are also used. No matter whether gas, natural gas or electric heating is used, such heat treatment furnaces generally have uneven heating, Heating makes the deformation of the parts larger. Since the middle space of the ring is large, if the heating is completed in the furnace body, it will not only waste energy, but also the heating will be uneven and the sealing performance will be poor. Therefore, the requirements for the sealing and heat preservation of the furnace body are very high. And...

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Problems solved by technology

[0002] At present, most of the heat treatment furnaces for ring parts are box-type or desktop box-type heat treatment furnaces, and some well-type heat treatment furnaces are also used. No matter whether gas, natural gas or electric heating is used, such heat treatment furnaces generally have uneven heating, Heating causes large deformation of the parts. Since the middle space of the ring is large, if the heating is completed in the furnace body, it will not only waste energy, but also the heating will be uneven and the sealing performance will be poor. Therefore, the requirements for the sealing and heat preservation of the furnace body are very high. And because the furnace cover is heavy, there are certain disadvantages in moving and opening the furnace cover.

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