The JZR-3D environmentally friendly sandblasting machine is a large-scale high-altitude surface sandblasting equipment specially developed according to the requirements of special anti-corrosion remote or ultra-high-altitude sandblasting construction. With the powerful function of ultra-long-range operation of 50 meters, the JZR-3D dust-free sandblasting machine is widely used in the fields of ship repair, sandblasting and rust removal without cleaning in the dock warehouse, large elevated bridges, chimneys, steam cabinets, high-altitude anti-corrosion, water conservancy engineering gates, mining, petroleum, chemical industry, metallurgy, port machinery, etc. It is one of the ideal equipment for high-altitude remote dust-free sandblasting and special sandblasting of large workpieces.