The safety of the inert gas protection jet mill is a major feature
The inert gas shielded jet mill is used in metal powder, easily oxidized raw materials, flammable and explosive raw materials, pharmaceutical ultrafine powder and other industries and raw materials that require inert gas protection. Typical materials are: cobalt powder, tungsten powder, iron powder, nickel powder, tantalum powder, selenium powder, fine spherical aluminum powder, neodymium iron boron, carbonyl iron powder, selenium powder, etc. The inert gas shielded airflow pulverizer is based on the fluidized bed airflow pulverization classifier, and uses nitrogen or carbon dioxide as the pulverizing working medium. It consists of nitrogen compression system, nitrogen filtration system, crushing system, classification system, collection system, feeding and unloading system, nitrogen purity test supplement system, nitrogen generation system and electrical control system.
The entire production line of the inert gas protection jet mill equipment adopts fully enclosed negative pressure operation, and there will never be dust and dust pollution on the production site. Using PLC programming control, safety measures are multi-pronged and work in parallel, and only one of the measures is effective to prevent potential safety hazards. In terms of safety, the nitrogen-protected crushing equipment has the following characteristics:
- Isolate oxygen. During the process, an oxygen content tester is used to continuously monitor the oxygen content in the airflow, and when it exceeds a certain level, it will immediately add nitrogen to keep the oxygen content within the safety production standard.
- Control the concentration of gas and powder: the feeding system of the equipment is a fully enclosed, uniform speed device, which is programmed and controlled by the control cabinet. Fully enclosed plays the role of isolating oxygen, and the uniform speed controls the concentration of the material inside the added equipment, and the feeding speed can be set arbitrarily.
- Discharge static electricity in time and eliminate ignition sources: The special filter material with carbon steel wire used for the pulse blowback collector can eliminate static electricity in time and ensure that the pulse dust is clean and thorough. The equipment is all metal components, all grounded, in order to release the powder static electricity as much as possible.
- Circulating cooling: explosion-proof and dust-proof, emergency shutdown.
The above is the introduction of the safety advantages of the inert gas shielded jet mill. It is precisely because of these performance characteristics that the inert gas shielded jet mill has been applied in more industries, bringing new opportunities for the powder processing industry.