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Coal Chemical Industry
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Coal Chemical Industry

Coal Chemical Industry

Valves play vital roles in coal conversion processes with these key applications:

Coal Gasification Systems

High-temperature lock-hopper valves (up to 450°C)

Slag discharge valves with abrasion-resistant coatings

Syngas control valves (H₂+CO mixture service)

Coal Liquefaction Processes

High-pressure slurry valves (6.0-20MPa)

Hydrogenation reactor feed valves

Solid particle handling ball valves

Key Process Requirements

Wear-resistant trim (hardened alloys/ceramics)

Anti-coking design for heavy oil service

High-cycle fatigue resistance (>500,000 cycles)

Special Service Conditions

Coal dust containment valves

High-pressure letdown valves

Quench water control valves

Technical Features:
• Pressure ratings to ANSI Class 2500
• Temperature range -196°C to 800°C
• Fugitive emission Class AH (ISO 15848)
• Fire-safe to API 607/6FA standards

These valves must meet GB/T national standards and specific coal chemical industry requirements to ensure reliable operation under extreme coal-derived media conditions.