Continuous casting machine tundish submerged nozzle baking furnace

Abstract

The invention relates to the field of metallurgical equipment, in particular to a continuous casting machine tundish submersed nozzle baking furnace. The continuous casting machine tundish submersed nozzle baking furnace comprises a furnace body, wherein two baking chambers are arranged in the furnace body, each baking chamber is provided with a spraying nozzle, each spraying nozzle is connected with a mixing valve, each mixing valve is connected with an air inlet pipe and a fuel gas inlet pipe, each air inlet pipe and each fuel gas inlet pipe are respectively provided with a control hand valve, an installation plate is arranged at the top of each baking chamber, a clamping groove is formed in each installation plate to fix a submersed nozzle, the furnace body is provided with a furnace door, a heat-preservation layer is arranged at the inner side of the furnace door, a flame retardant layer is arranged on the inner wall of each baking chamber, a heat preservation plate is formed at the top of the furnace body and provided with openings matched with the submersed nozzles, pulleys are arranged at the bottom of the furnace body, and pothooks are arranged at the top of the furnace body. The continuous casting machine tundish submersed nozzle baking furnace has the advantages of being safe to operate, capable of meeting production requirements, capable of guaranteeing baking quality and convenient to move and transport, saving energy and the like.

Description

technical field [0001] The invention relates to the field of metallurgical equipment, in particular to a continuous casting machine tundish submerged nozzle baking furnace. Background technique [0002] The submerged nozzle is located between the continuous casting tundish and the mold, and is a guide pipe for molten steel to flow from the tundish to the mold. Its function is to prevent secondary oxidation of molten steel, control the flow state and injection speed of molten steel, promote the floating of inclusions, prevent mold slag and non-metallic inclusions from being involved in molten steel, etc. With the development of science and technology, the requirements for steel properties are becoming increasingly stringent. The submerged nozzle has become one of the most important functional refractory materials to prevent secondary oxidation of the injection flow from the tundish to the crystallizer and improve the cleanliness of steel. In the process of using the submerge...

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Problems solved by technology

[0003] At present, most of the existing immersion nozzle ovens are equipped with exhaust ducts in the oven to discharge the burned gas. The advantage is that it can ensure that the nozzles are baked under airtight conditions and achieve the purpose of making full use of energy. , but approaching the equipment under the condition of insufficient gas combustion is likely to cause CO poisoning and personal injury; in addition, most of the existing immersion nozzle baking furnaces only have one baking chamber in the furnace body. When the production volume is large or In the event of an emergency, once a fault occurs and needs maintenance, it will have a great impact on production; in addition, most of the existing immersion nozzle baking furnaces cannot control the concentration of gas in the combustion mixture during the baking process. Adjustment will adversely affect the baking temperature on the surface of the submerged nozzle, thereby affecting the final baking effect, which is the deficiency in the prior art

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