Coal Powder Distributor (Steel Plant, Power Plant) DN125/DN40-6

The coal powder distributor (DN125/DN40-6) is a critical equipment in blast furnace pulverized coal injection systems in steel plants and coal pulverizing systems in power plant boilers. It is primarily used to evenly distribute coal powder to multiple injection branch pipes, ensuring combustion stability. Below are its core parameters and features:
Technical Parameters
Nominal Diameter: DN125 (main pipe), DN40-6 (branch pipe)

Applicable Medium: Dry coal powder, operating temperature ≤80°C, pressure 1.6 MPa
Distribution Accuracy: Coal injection volume error per tuyere ≤ ±3%
Structural Design
Body Type: Cone type, disc type, or bottle type options available. Cone-type branch pipes adopt an elevation angle distribution (90° or 120°) to optimize airflow.

Wear-Resistant Material: Inner wall lined with wear-resistant alloy, ceramic, or stainless steel coating to extend service life.
Installation Method: Vertically connected to the coal powder main pipe, requiring only 2~3m in height, facilitating tuyere platform layout.
Application Advantages
Uniform Distribution: Reduces vortex and prevents powder accumulation through the cone inner cavity structure, ensuring consistency in multi-pipe injection.

Energy Efficiency and Environmental Protection: Lowers the risk of combustion deviation caused by uneven distribution, reducing energy consumption and pollution.
Compatibility: Compatible with single-pipeline coal injection systems, with customizable number of branch pipes (6~35 pipes).
Typical Scenarios
Steel Plants: Used in blast furnace pulverized coal injection systems to ensure uniform combustion in the furnace hearth.
Power Plants: Distributes coal powder to boiler burners in direct-firing pulverizing systems, preventing flame deviation.
For models equipped with purging devices or specific installation dimensions, manufacturer technical documentation can be further provided.