... -cooling stage. Secondly, deep-freezing stage. Independently speed control system, and the speed of the two meshbelts can be changed infinitely. 1 ... the particles would frozen and reach the temperature of 0 C. meanwhile, with the help of the striking chain, ... -12hours, last no more than 2hours each timeElectronical control cabinet, control the speed of the meshbelt,processing time,display the running ...