VSR pre-turbulent regulator was employed in the gas pressurization unit at the roasting plant of SISG,therefore a steady-pressure regulation of gas flow rate and energy saving were realized.

• 韶钢焙烧厂煤气加压机安装使用了VSR气动预旋风调节装置；实现了对风机的等压力流量调节；并可节约电能.