Production process of rock wool
2025-09-28
The production process of rock wool mainly includes melting system, fiber forming system, product solidification and production control system. The specific steps are as follows:
Melting system: Natural rocks (such as basalt, dolomite, etc.) are melted at high temperatures in a blast furnace or other melting furnace, with a production capacity of 3.0 tons/hour. The furnace is equipped with oxygen rich, high-temperature combustion air system, and exhaust gas treatment heat exchange system to improve the yield, uniformity, and stability of the melt.
Fiber forming system: The molten magma is centrifuged into fibers at high speed by a centrifuge, which is designed in the form of a small car. Each centrifuge has four rollers, each driven by a separate electric motor, with different speeds ranging from 4000 to 6000 r/min. Under the high-speed operation of the roller, the flowing stock is fiberized to form rock wool fibers.
Product solidification and production control system: During the fibrosis process, a certain amount of adhesive, dust-proof oil, hydrophobic agent and other additives are sprayed, collected by a cotton collector, and cured and cut by the pendulum method or three-dimensional method to form rock wool products of different specifications and uses. The electrical control of the rock wool production line adopts a combination of centralized and decentralized methods to ensure the stability of the production process and product quality.
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