Energy-saving and environmentally-friendly kiln body and vanadium-nitrogen alloy high-temperature sintering kiln adopting energy-saving and environmentally-friendly kiln body

Abstract

An energy-saving and environmentally-friendly kiln body comprises a thermal insulation fire-proof layer, a calcining chamber, a graphite crucible, horizontal heating chambers and a sealing box, wherein the graphite crucible and the thermal insulation fire-proof layer are respectively arranged inside and outside the calcining chamber; the upper horizontal heating chamber and the lower horizontal heating chamber are respectively arranged above and under the graphite crucible; an upper horizontal heating body and a lower horizontal heating body that correspond to each other are horizontally arranged in the upper horizontal heating chamber and the lower horizontal heating chamber; one end of each horizontal heating body is arranged in each heating chamber, and the other end of the horizontal heating body passes through a side wall, the thermal insulation fire-proof layer and a furnace shell in sequence and then extends into the sealing box; high-temperature fibers are filled in gaps between the heating bodies and plug bricks; and a gas inlet port and a copper electrode are arranged on the sealing box. In a vanadium-nitrogen alloy high-temperature sintering kiln adopting the energy-saving and environmentally-friendly kiln body, a low-temperature segment, a transition segment and a high-temperature segment adopt different manufacturing materials and different heating bodies so as to adapt to calcining processes. According to the design, the unit energy consumption is lower, and the operation conditions are better; in addition, the process atmosphere and the calcining effect in the kiln are better, and the service life of the kiln is longer.

Description

technical field [0001] The invention relates to a kiln body for high-temperature sintering, in particular to an energy-saving and environment-friendly kiln body and a vanadium-nitrogen alloy high-temperature sintering kiln applied thereto, which are specifically suitable for reducing unit energy consumption and improving operating conditions. Background technique [0002] As a new type of steel additive, vanadium-nitrogen alloy can replace ferrovanadium for the production of microalloyed steel. Adding it to steel can improve the comprehensive mechanical properties of steel such as strength, toughness, ductility and thermal fatigue resistance, and make the steel have good weldability. Under the same strength, the addition of vanadium-nitrogen alloy can save 30%-40% of vanadium compared with the addition of vanadium, which reduces the cost. Vanadium-nitrogen alloys have been widely used by steel mills at home and abroad, and their production technology and production equipmen...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the defects and problems of high unit energy consumption and poor operating conditions in the prior art, to provide an energy-saving and environment-friendly kiln body with low unit energy consumption and good operating conditions and its application in Vanadium nitrogen alloy high temperature sintering kiln

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