High-temperature resistant air cooling smoke gate device

Abstract

The invention provides a high-temperature resistant air cooling smoke gate device which comprises an air cooling gate plate, a gate plate seat, a blowing mechanism and a drive mechanism, wherein the gate plate is made of unformed refractory materials, and the inner part of the gate plate adopts a plurality of hollow steel pipes connected in parallel as a cooling air passage of the gate plate and an anchoring and supporting skeleton of the gate plate; outlets of the steel pipes are exposed outside the gate plate and connected with the blowing mechanism and the drive mechanism; and two bush roller chains drive the gate plate to participate in the pressure control of a furnace cavity by taking a drive cylinder as a power source. The high-temperature resistant air cooling smoke gate device has the advantages of novel design, reliable operation, convenient installation, low operation cost, easy maintenance and high operability and practicability and can be widely applied to various flame furnaces including an aluminum melting furnace, a heat preserving furnace or a mixing furnace in the electrolytic aluminum or aluminum processing industry.

Description

technical field [0001] The invention relates to a novel smoke gate device, in particular to a high-temperature-resistant air-cooled smoke gate device used on high-temperature exhaust pipes of aluminum smelting furnaces, holding furnaces and mixing furnaces. Background technique [0002] The smelting furnaces, holding furnaces and mixing furnaces used in the aluminum industry all have some high-temperature flue gases that are directly discharged. This requires the use of smoke gates. The smoke gates are installed on the exhaust flue, and the flue gas is discharged through the flue. The opening degree can adjust the smoke emission. [0003] The current general practice is that the gate is made of heat-resistant castings, the installation direction is perpendicular to the smoke exhaust direction of the flue, and the gate is driven by a motor, electric actuator or cylinder. In the production process of aluminum, refining agent and slagging agent need to be added, so a large amo...

AI Technical Summary

Problems solved by technology

[0004] To sum up, the existing technology has the following disadvantages: ①The life of the ram is short; ②The ram is easy to fall off and the flue is blocked; ③It is inconvenient to replace; ④The operation and maintenance costs are high;

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