During the heat treatment process, many products will oxidize due to high temperatures. At this time, it is necessary to create an oxidation-free environment, and inert gas nitrogen is introduced into the heat treatment furnace to prevent oxidation and discoloration of the workpiece. Nitrogen is widely used in mesh belt furnaces, pit furnaces, bell furnaces, and many products will oxidize due to high temperature during heat treatment. At this time, it is necessary to create an oxidation-free environment, and inert gas nitrogen is introduced into the heat treatment furnace to prevent oxidation and discoloration of the workpiece.
Nitrogen is widely used in non-oxidation annealing of mesh belt furnaces, pit furnaces, bell furnaces, spheroidizing furnaces, multi-purpose furnaces, etc.
Product SpecificationsNitrogen output: 1~5000Nm3/hr
Nitrogen purity: 98%~99.999%
Nitrogen pressure: 0.6~0.9Mpa
Nitrogen dew point: -40°C~ -60°C
Application of nitrogen generator in heat treatment industry
The heat treatment processing mainly includes bright quenching, bright annealing, bright tempering, continuous casting, continuous rolling, and steel strip; Aluminum strip, aluminum thin rolling, etc. protect the heating and prevent the oxidation and decarburization of the product. The application of nitrogen generator in heat treatment processing has the following aspects:
1. Vacuum heat treatment: when nitrogen is used as a cooling medium for nitrogen-filled pressurized oil quenching, the nitrogen pressure of the nitrogen generator is adjusted to improve the hardenability of the steel parts and protect the electric heating element of the vacuum furnace;
2. Controllable atmosphere: nitrogen as dilution gas, can reduce the consumption of raw gas and reduce the formation of carbon black;
3. Carburizing and nitriding: The nitrogen produced by the nitrogen generator can be used for anti-oxidation cooling after carburizing, reducing the degree of internal oxidation of steel parts, and improving the decomposition rate of furnace gas and the fatigue strength and breaking resistance of parts;
4. Protective gas and safety gas: blowing and exhausting in the furnace, and sealing the air curtain of the furnace door; When the gas and power are cut off, the nitrogen produced by the nitrogen generator can be sent into the furnace to prevent the furnace gas from exploding.
