MVR (mechanical vapor recompression) evaporator convenient for discharging crystalline salt

The invention discloses an MVR evaporator convenient to discharge crystalline salt, the MVR evaporator comprises a damping opening and closing assembly and a condensation part, a vibration heating mechanism assembled by bolts is arranged above the side of the damping opening and closing assembly, and a bearing feeding assembly sleeved by bolts is arranged on the inner side of the vibration heating mechanism; and a mixing and stripping mechanism sleeved by a bolt is arranged on the inner side of the upper part of the bearing and feeding assembly. According to the device disclosed by the invention, a vibration motor on the vibration heating mechanism outputs power to drive an output end to operate, so that an eccentric wheel group in a vibration cylinder operates to generate vibration force; the device can be matched with an upper shock absorber to be used, the device is started by generating vibration in cooperation with an upper shock absorption opening and closing assembly, and after starting, crystal salt i