Dust removing and preventing device and ultrafine pulverizing processing device

The embodiment of the invention discloses a dust removing and preventing device and an ultrafine pulverizing processing device. The dust removing and preventing device comprises a dust cover and a dust removing pipe, the dust cover comprises a closing end and a flaring end, the flaring end is used for being buckled to a feeding port of the ultrafine pulverizing processing device, a discharging port of a dust remover and a cyclone collecting port, the other end of the dust removing pipe is connected to the closing end. According to the dust removing and preventing device, through the arrangement of the dust cover and the dust removing pipe, dust generated in the ultrafine pulverizing processing is collected, and influences of environmental pollution easily caused by raise dust on the physical and mental health of processing personnel are prevented. 本发明的实施例公开了种除尘防尘装置及超细粉碎加工设备，除尘防尘装置包括防尘罩及除尘管，所述防尘罩包括收口端及扩口端，所述扩口端用于扣设在超细粉碎加工设备的加料口、除尘器下料口及旋风收集口上，所述除尘管的另端连接于所述收口端。该除尘防尘装置通过防尘罩及除尘管的设置对超细粉碎加工过程中产生的灰尘进行收集，防止扬尘易引发环境污染，影