Microwave-heated spouted fluidized decarbonization device

Abstract

The invention relates to a microwave-heated spouted fluidized decarbonization device. The device is provided with a circular fluidized bed body and a straight spouted fluidized pipe; a stirrer, a temperature sensor, a barometer and an outlet valve are arranged on the spouted fluidized pipe; the upper left part of the fluidized bed body is provided with a dust collector, and the peripheral side part is provided with an observation window and a microwave heater; the spouted fluidized pipe is made of a ceramic refractory material; the bottom left of the spouted fluidized pipe is communicated with blown fluidizing gas CO2+H2O, and the bottom right is communicated with N2+Ar inertia protective gas; fluidized powder in the spouted fluidized pipe is subjected to fluidized separation; and the fluidized bed is controlled by a complete program of an electric cabinet circuit microcomputer processor. The microwave-heated spouted fluidized decarbonization device has the advantages of advanced and reasonable design, compact structure, complete functions, safe, reliable and stable microwaving heating, convenient installation and use, good effect and high efficiency of decarbonization, desulfuration and dephosphorization, and the decarbonization rate of 70 to 90 percent, improves the efficiency by 90 percent compared with the prior art, and is an ideal spouted fluidized decarbonization device.

Description

technical field [0001] The invention relates to a microwave heating spray fluidized decarburization device, which belongs to the technical field of decarburization, desulfurization and dephosphorization equipment in solid state of ferrous metals. Background technique [0002] Ferromanganese, ferrochrome, and iron powder in ferrous metals all contain harmful substances such as carbon, sulfur, and phosphorus in varying degrees. These substances have disadvantages in the industrial application of ferrous metals, which greatly affect ferrous metals and other products. Chemical physical properties and mechanical properties. [0003] The removal of carbon, sulfur, phosphorus and other substances from ferrous metals has always been a subject of research in the field of metallurgical science and technology. Conventional methods include high-temperature heating decarburization, desulfurization, flue gas decarbonization Carbon, desulfurization, etc. Although these methods can also re...

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Problems solved by technology

[0003] The removal of carbon, sulfur, phosphorus and other substances from ferrous metals has always been a subject of research in the field of metallurgical science and technology. Conventional methods include high-temperature heating decarburization, desulfurization, flue gas decarbonization Carbon, desulfurization, etc. Although these methods can also remove carbon, sulfur, phosphorus, etc. in ferrous metals, there are some technical deficiencies, such as resistance heating, for powdery materials, the heat and mass transfer efficiency is low, and energy waste Large, serious pollution, low safety factor; some decarbonization and desulfurization processes are complex, long cycle, high cost; some decarbonization and desulfurization technology is simple, but the decarbonization and desulfurization rate is low, can not meet the technical requirements

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