Blast Furnace Structure
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Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Stack used in the Basic Metal Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.
A canonical Stack is characterized by the integration of Refractory Lining and Steel Shell/Casing. In industrial production environments, manufacturers listed on CNFX commonly emphasize Refractory Lined Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.
The vertical exhaust structure of a blast furnace that channels hot waste gases and particulates away from the furnace interior and working environment.
Technical details and manufacturing context for Stack
Commonly used trade names and technical identifiers for Stack.
This component is essential for the following industrial systems and equipment:
| pressure: | Near atmospheric (0-5 kPa gauge), negative pressure to prevent gas escape |
| flow rate: | 50-500 m³/s depending on furnace size |
| temperature: | 200-500°C (typical), up to 700°C with refractory lining |
| slurry concentration: | Not applicable - handles dry particulates and gases only |
Manufacturer profiles with relevant production capability in China
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The stack serves as the vertical exhaust structure that safely channels hot waste gases, fumes, and particulates away from the blast furnace interior and the surrounding working environment, maintaining operational safety and efficiency.
Blast furnace stacks are typically constructed with a steel shell or casing for structural integrity, lined internally with refractory materials to withstand extreme temperatures and corrosive gases, and include components like gas offtakes.
Refractory lining is crucial because it protects the steel structure from the extreme heat (often exceeding 1000°C) and corrosive nature of hot waste gases, ensuring durability, preventing structural failure, and maintaining efficient gas flow.
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