Vacuum refining system and method for molten steel
A vacuum refining and vacuuming system technology, applied in the field of molten steel vacuum refining system in the field of metallurgy, can solve the problems of high energy consumption, environmental pollution, poor impurity removal effect, etc., and achieve low energy consumption, simple equipment, and small footprint Effect
Active Publication Date: 2009-12-09
西安迈特瑞冶金设备技术有限公司
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Problems solved by technology
[0012] The object of the present invention is to provide a molten steel refining system and method, which solves the technical problems of high energy consumption, poor impurity removal effect and environmental pollution in the background technology
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[0048] see attached figure 1, a molten steel vacuum refining system, including a vacuum tank, a vacuum system and an outlet pipe 7 arranged between the vacuum tank and the vacuum system, the vacuum tank includes a vacuum tank 1, a vacuum tank arranged on the top of the vacuum tank 1 The cover 2, the ladle 6 arranged in the vacuum tank 1, the oxygen system 3 arranged at the top of the vacuum tank and the argon gas system 4 at the bottom of the vacuum tank, the vacuum pumping system includes at least one vacuum mechanical pump group 8; molten steel vacuum refining system It also includes an impurity removal and treatment system 9 arranged on the gas outlet pipe 7; the impurity removal and treatment system 9 includes an annular cavity 12 and a filter cloth 13 arranged at the air outlet of the annular cavity, and the bottom of the annular cavity 12 is also An impurity collection channel 14 is provided; the molten steel vacuum refining system also includes a computer control system...
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The invention relates to a molten steel vacuum extraction system and a method thereof. The vacuum extraction system comprises a vacuum tank, a vacuum-pumping system and an exhaust pipeline arranged between the vacuum tank and the vacuum-pumping system, wherein, the vacuum tank comprises a vacuum tank body, a vacuum tank cover arranged at the top of the vacuum tank body, a ladle arranged inside the vacuum tank body, an oxygen system positioned at the top of the vacuum tank and an argon system arranged at the bottom of the vacuum tank body, and also comprises at least a vacuum mechanical pumps group and a impurity removal and treatment system arranged on the exhaust pipeline. The invention solves the technical problems of high energy consumption, poor impurity removal effect and environmental pollution in the background technology and adopts the vacuum mechanical pump group with good control of degree of vacuum and sound molten steel refining and substantial cost reduction.
Description
technical field [0001] The invention relates to a molten steel vacuum refining system and method, in particular to a molten steel vacuum refining system and method in the metallurgical field. Background technique [0002] In the field of metallurgical steelmaking, vacuum refining of molten steel requires vacuuming. At present, the vacuuming system of steam flow vacuum pump is used for vacuuming. It is produced by the boiler combustion to generate water vapor, the water vapor is sprayed in the pipeline to form jet gas, and the jet gas takes out the gas through the upper port of the vacuum tank to complete the vacuuming. [0003] The vacuum pumping system of the steam flow vacuum pump generally consists of a vacuum tank body, a ladle, a vacuum tank cover, an oxygen blowing system, a boiler, a jet pump group, an argon blowing system and a multi-stage water pool. The gas after the system passes through the gas outlet is a mixed gas. This mixed gas includes water vapor, carbon m...
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IPC IPC(8): C21C7/10
Inventor 张作俭
Owner 西安迈特瑞冶金设备技术有限公司