Heat exchange equipment for waste heat recovery

The utility model provides heat exchange equipment for waste heat recovery. Heat exchange area is large, the blockage of the heat exchange device is effectively prevented; heat exchange efficiency isimproved, the heat exchanger comprises a heat exchanger cylinder body, the heat exchanger cylinder comprises a hot fluid inlet and a hot fluid outlet. Wherein a cold fluid inlet and a cold fluid outlet are formed in the heat exchanger cylinder body, two spiral channels formed by rolling two metal plates are arranged in the heat exchanger cylinder body, one spiral channel in the two spiral channelsis a closed spiral channel, and the two ends of the closed spiral channel are connected with the cold fluid inlet and the cold fluid outlet respectively. 本实用新型提供一种余热回收的换热设备，其换热面积大，有效防止了换热装置的堵塞，提高了换热效率，其包括换热器筒体，换热器筒体包括热流体进口和热流体出口，换热器筒体上设置冷流体进口和冷流体出口，换热器筒体内设置有两张金属板卷制成两个螺旋形通道，两个所述螺旋形通道中一个螺旋通道为封闭螺旋通道，封闭螺旋通道两端分别连接所述冷流体进口和所述冷流体出口。