Large-hearth annealing furnace
An annealing furnace and hearth technology, applied in the direction of furnaces, furnace types, heat treatment furnaces, etc., can solve problems affecting surface quality, scratches, limited diameter of furnace tubes, etc., and achieve the effect of ensuring surface quality and avoiding scratches
Inactive Publication Date: 2012-11-14
大连环新新材料科技有限公司
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[0010] Such as figure 1 As shown in the large hearth annealing furnace, a furnace 2 is installed in the heating furnace body 1. The cross section of the furnace 2 is oval, and the two ends of the furnace 2 are provided with inlets and outlets 3 to facilitate the passage of wires.
[0011] When in use, the wire passes through the furnace 2 at a constant speed to be heated to complete the heat treatment. The furnace 2 is filled with protective gas to prevent high-temperature oxidation of metals.
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The invention discloses a large-hearth annealing furnace. A hearth is installed inside a heating furnace body, and an inlet port and an outlet port are arranged on two end faces of the hearth. According to the furnace, the space of the hearth is large, friction between wire rods and the wall of the hearth is avoided in a heat processing furnace, scratches are avoided, and the surface quality is guaranteed.
Description
technical field [0001] The invention relates to the technical field of wire rods, in particular to a large furnace annealing furnace. Background technique [0002] The continuous annealing furnace is a commonly used equipment for wire annealing. The general structure is a plurality of furnace tubes with a certain diameter, generally less than 80mm in diameter, which run through the heating furnace body. The wire passes through the furnace tubes at a constant speed and is heated to complete the heat treatment. [0003] Due to the limited diameter of the furnace tube annealing furnace, the wire cannot be completely straight in the furnace tube, resulting in friction between the wire rod and the furnace tube wall during annealing, causing scratches and affecting the surface quality. Contents of the invention [0004] The object of the present invention is to overcome above-mentioned deficiency, provides a kind of large hearth annealing furnace. [0005] The technical solutio...
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Inventor 李向辉
Owner 大连环新新材料科技有限公司
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