How does the heating furnace work?

How does the heating furnace work? 1. Start the heating furnace: 1. Preparatory work before ignition (1) Wear labor protection supplies, and bring cotton yarn and adjustable wrench for backup. (2) Check the connection points of each part of the gas supply pipeline to ensure that the screws of each part are fully tightened, each gate switch is agile, and the gas supply valve should be in an open state. (3) The level gauge should be clean, complete and clear.Differences in vacuum heat treatment between aerospace blanks and parts (4) The safety valve must be intact and sensitive within the validity period, and the set pressure is 0.1MPa. Step shaft vacuum quenching heat treatment (5) Check the pressure gauge to ensure that the display is sensitive and accurate within the validity period.High speed steel vacuum heat treatment