The endothermic atmosphere refers to the atmosphere prepared by mixing the raw material gas and air in a certain proportion and passing through a reaction tank with a catalyst installed inside and heated externall.Its main components are CO,H₂,N₂,and trace amounts of H₂O,CO₂,CH₄,O₂etc.

Seriar Number	Model	Power	Maximum temperature galvanizing	Dimensions	Output
1	RX-40	30KW	1050	L2500xW1700xH3100	40m³Hm
2	RX-60	40KW	1050	L2800xW1700xH3100	60m³/Hm
3	RX-80	45KW	1050	L3200xW2300xH3100	80m³/Hm
4	RX-120	60KW	1050	L3700xW2300xH3100	120m³/Hm
5	RX-160	90KW	1050	L5200xW2300xH3100	160m³/Hm
6	RX-200	120KW	1050	L5200xW2300xH3100	200m³/Hm

CH₄+0.50₂+1.88N₂→CO+2H₂+1.88N₂

C₃ H₈+1.5O₂+5.64N₂→3CO+4H₂+5.64N₂

C₄ H1₀+2O₂+7.52N₂→4CO+H₂+7.52N₂

Molecular formula	Air/raw gas (mixture ratio)	atmospheric composition(%)
Molecular formula	Air/raw gas (mixture ratio)	co	H₂	N₂
CH₄	2.38	20.5	41.0	38.5
C₃H₈	7.14	23.7	31.6	44.7
C₄H₁₀	9.52	24.2	30.3	45.5

1. Sealing
To control the atmosphere and maintain the pressure within the furnace, the working space must be isolated from the outside air at all times to minimize air leakage and inhalation. Therefore, the furnace shell, masonry, furnace door, and all externally connected components, such as fans, thermocouples, radiant tubes, and feeders, must be sealed.

2. Automation
Various atmosphere furnaces require high sealing performance. Loading and unloading operations are complex, requiring a single furnace to serve multiple purposes. For large-scale production, large-scale combined heat treatment units or dual-purpose units are often used. Therefore, a high degree of mechanization and automation is required.

3. Explosion-Proof Devices
The mixing of reducing gas and air at a certain ratio and temperature can easily cause an explosion. Therefore, explosion-proof devices are installed in the front and rear chambers, quenching chamber, and slow cooling chamber of the furnace. The furnace's gas supply and exhaust control systems must also incorporate explosion-proof measures.

As the basic atmosphere for controllable atmosphere carburizing and the protective atmosphere for annealing, it has the characteristics of low operating cost and high degree of automation;compared with nitrogen- methanol atmosphere or methanol atmosphere,it can greatly improve the carburizing quality and effectively protect the decarburization of materials.It solves many atmosphere-related problems in the heat treatment process.

Professional manufacturing : Focusing on the research and development and production of heat treatment furnaces, our products include annealing furnaces, spheroidizing annealing furnaces, continuous annealing furnaces and gas generator furnaces.

Strong R&D : 15% of our employees are R&D personnel, and we are jointly developing atmosphere control and corrosion resistance technologies with Fudan University.

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High quality and environmental protection : Adhere to integrity, innovation and excellence, and provide energy-saving and environmentally friendly industrial furnace solutions.

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