a crushing system

Abstract

The invention discloses a pulverization system, comprising a cryogenic gas generator, a pulverizer and a gas-liquid separator. The cryogenic gas generator is used to produce nitrogen and liquid nitrogen; the pulverizer includes a pulverizing device and an airflow device, and the pulverizing device There are at least two stages, all the crushing devices are connected in sequence, the input end of the air flow device is connected to the cryogenic air generator, the output end of the air flow device is connected to the crushing device of the first stage, and any two stages There is a communication mechanism between the crushing devices, and the communication mechanism can accelerate the particle flow discharged from the crushing device of the previous stage and send it into the crushing device of the next stage; the gas-liquid separator and the final stage The crushing device communicates with and is used for separating the particles and nitrogen gas at the output end of the crushing device. The crushing system can effectively increase the flow velocity of the particle flow in the crushing device on the basis of the existing equipment, thereby intensifying the collision intensity of the particles in the particle flow, and improving the crushing efficiency and productivity.

Description

technical field [0001] The invention relates to the field of pulverizers, in particular to a pulverization system. Background technique [0002] Currently, the technology for producing ultra-fine powders is widely used from the field of food technology to the field of material technology. The technology of finely pulverizing solid particles and screening out particles with uniform particle size from pulverized powder has become a key technology. [0003] How to realize ultra-fine powder technology, generally adopt ultra-fine pulverizer to realize. The ultra-fine pulverizer is a powder manufacturing device. The powder pulverized into a certain particle size by other pulverization methods is added to the pulverization chamber. Here, a thin waist nozzle is used to inject gas at a supersonic speed at a high speed. Generally, an inert gas is preferably used. Like helium, nitrogen is also used, and in the case of materials that do not oxidize, air is also used. When the existin...

AI Technical Summary

Problems solved by technology

However, the crushing head is generally driven by a motor. If it is to increase the speed of the crushing head, it is obviously necessary to replace the motor with a higher speed to drive the crushing mechanism. At the same time, the entire production cost will continue to increase; Obviously, a compressor with a larger power and a supporting gas storage system are required to adapt, so such a solution will also increase the overall production cost, and at the same time, increasing the flow rate of the high-speed airflow will also provide a test for the existing pulverizer and supporting equipment

Images