Suspended type waste salt heat treatment device

一种悬浮式废盐热处理装置

Abstract

The invention discloses a suspended type waste heat treatment device which comprises a fluidized bed preheating dryer, a smashing separation tower, a multistage pyrolysis incinerator, a turbulence bed heating incinerator and a fast fluidizing roasting bed. Compared with the prior art, the suspended type waste heat treatment device has the following beneficial effects that heating and warming are conducted in a segmented manner, and the comprehensive energy utilization rate of kinetic energy and heat energy of flue gas is comprehensively utilized; oxygen-rich high-temperature air is directly supplied to the multistage pyrolysis incinerator through a combustor, salt particles are scoured repeatedly by high-temperature air among multiple stages of cyclone separators, the flowing direction is changed multiple times, organic matter stuck to the surfaces of salt particles is scraped, the contact area between the surfaces of the salt particles and the high-temperature air is enlarged in a multiplied manner, and the salt particles are easily gasified or decomposed; and the heating temperature of the turbulence bed heating incinerator is stable, the staying time is long, and treatment can be more sufficient.
本发明公开了一种悬浮式废盐热处理装置,包括流化床预热干燥器、粉碎分选塔、多级热解焚烧器,湍流床加热焚烧器和快速流化煅烧床。本发明相比现有技术具有以下优点:分段加热升温,综合利用烟气的动能与热能能量利用率高;多级热解焚烧器由燃烧器直接提供富含氧气的高温空气,盐粒在多级旋风分离器之间反复被高温空气冲刷,并多次改变流向,将盐粒表面粘连的有机物刮落,使其与高温空气的接触面积成倍增加,易于气化或者分解;湍流床加热焚烧器加热温度稳定且停留时间长,能够使得处理更为充分。

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