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Discussion History

Primary Air System

Assembly

Hot primary air plenum, throat nozzle ring lifting fines, and the spout rejecting tramp iron and pyrite. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Primary Air System parts and their functions

7 top-level parts · 8 parts in total · full bill of materials below
Primary Air System parts diagram: 1 air plenum, 2 air throat ring, 3 nozzle ring, 4 primary air damper, 5 pyrite reject spout, 6 pyrite reject gate, 7 air duct expansion joint. 8 parts in 7 top-level items.
Primary Air System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Air Plenum 1× Hot air inlet plenum under the bowl
2 Air Throat Ring 1× Annular air throat around the bowl
3 Nozzle Ring 1× Vaned nozzle ring accelerating primary air
4 Primary Air Damper 1× Hot and tempering air control damper
5 Pyrite Reject Spout 1× Pyrite and tramp iron reject spout
6 Pyrite Reject Gate 1× Reject hopper discharge gate
7 Air Duct Expansion Joint 2× Air duct expansion joints

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

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Bill of materials for Primary Air System

7 top-level lines · 7 rows shown · 8 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Air Plenum coal-pulverizer-mill-air-plenum 1× 1 · part
2 Air Throat Ring coal-pulverizer-mill-throat-ring 1× 1 · part
3 Nozzle Ring coal-pulverizer-mill-nozzle-ring 1× 1 · part
4 Primary Air Damper coal-pulverizer-mill-air-damper 1× 1 · part
5 Pyrite Reject Spout coal-pulverizer-mill-pyrite-spout 1× 1 · part
6 Pyrite Reject Gate coal-pulverizer-mill-pyrite-gate 1× 1 · part
7 Air Duct Expansion Joint coal-pulverizer-mill-expansion-joint 2× 2 · part

Where the primary air system is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Coal Pulverizer Mill

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Flex (Singapore)
flex.com ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks
🇮🇳Dixon Technologies
dixoninfo.com ↗ 		Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
🇨🇳BYD Electronics
bydelectronic.com ↗ 		Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗ 		Singapore Electronics contract mfg 1,000 pcs 6–10 wks