Stainless steel slag treatment device and treatment method thereof

Abstract

The invention discloses a stainless steel slag treatment device and a treatment method thereof. The stainless steel slag treatment device comprises a slag pot arranged on a slag pot supporting seat, afixed frame arranged on a foundation, a dust removal cover with a dust removal opening, a swing arm, a hydraulic cylinder, a water supply pipe, a water supply control valve, an atomizing nozzle, a moving exhaust pipe, a fixed exhaust pipe and an air draft control valve, wherein one end of the swing arm is hinged to the fixed frame and the other end of the swing arm is fixedly connected with the outer side of the dust removal cover, the hydraulic cylinder is used for driving the swing arm to swing around a hinged point to realize that the dust removal cover covers and opens the slag pot, the water supply pipe is arranged on the fixed frame and the swing arm, the water supply control valve is arranged on the water supply pipe, the atomizing nozzle is arranged at the tail end of the water supply pipe and located on the inner side of the dust removal cover, the moving exhaust pipe is fixedly connected with the outer side of a dust removal opening, the fixed exhaust pipe butts against themoving exhaust pipe through a water sealing connector, and the air draft control valve is arranged on the fixed exhaust pipe. The stainless steel slag treatment device has a cooling effect, realizes synchronous collection of steam containing dust and poisonous gas, avoids leakage, and has high automation degree and simple structure.

Description

technical field [0001] The invention belongs to the field of metallurgical slag treatment, and in particular relates to a stainless steel slag treatment device and a treatment method thereof. Background technique [0002] Stainless steel is resistant to air, steam, water and other weak corrosive media or has stainless steel. In order to reduce the content of harmful elements such as C and S in stainless steel and improve the purity of stainless steel, it is necessary to add alkaline slag during the blowing process. Lime, thereby reducing SiO in slag 2 Activity and improve the recovery rate of Cr, about 270kg of slag will be produced for every 1 ton of stainless steel smelted, CaO, SiO in stainless steel slag 2 Mainly dicalcium silicate (2CaO SiO 2 ) exists in the form of stainless steel slag from molten state to cooling process, as the temperature decreases, 2CaO·SiO 2 Continuously undergoes a phase transition, transforming into γ-C at 850°C 2 S, the volume expansion of ...

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Problems solved by technology

Although the stainless steel slag after watering contains a certain amount of water, it plays a certain role in suppressing dust during the subsequent loading and unloading process, but the steam generated on the surface of the stainless steel slag during the water pumping process will carry dust and float in the air, resulting in steam in the factory building. It will not only affect the sight of the drivers in the workshop, but also accelerate the corrosion of the steel structure workshop, which will cause great harm to the health and personal safety of the workers.

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