Modulating Ceramic Ball Valve for Lime Solution Transport in Polycrystalline Silicon Applications

Product Description

This ceramic ball valve is optimized for handling an 8% calcium hydroxide solution in silicon powder transportation processes within the polycrystalline silicon industry. Designed for precise flow modulation, the valve delivers reliable performance in managing corrosive and abrasive media.

Application Details:

• Medium: 8% Lime Solution (Calcium Hydroxide)
• Temperature: Operates at 40ºC.
• Pressure:
  • Inlet pressure: 0.7 MPa
  • Outlet pressure: 0.2 MPa
  • Pressure differential: 0.8 MPa
• Material:
  • Valve body: WCB carbon steel for strength and durability.
  • Valve stem: 17-4PH special steel for corrosion and wear resistance.
• Actuation and Control:
  • Type: Pneumatic spring return with manual override (PL).
  • Function: Modulating control (C) for precision flow adjustment.

This valve is engineered to provide outstanding performance and durability in harsh conditions, ensuring long-term operational reliability. Its robust construction and advanced features make it an essential component for challenging applications in the polycrystalline silicon industry.

The FCCV1 Ceramic Ball Valve is a cutting-edge solution designed to meet the rigorous demands of various industrial applications. Engineered with advanced structural ceramics, this valve combines exceptional durability, high performance, and superior corrosion resistance to deliver unmatched reliability in the harshest environments.
 

Ceramic Construction: Except for the valve stem, all wetted parts are made of high-quality ceramics, ensuring excellent wear and corrosion resistance.

High-Performance Sealing: The valve seat and ball core are ceramic-to-ceramic hard seals, providing tight shutoff and zero leakage performance that meets ANSI Class VI standards. Some parts of the FCCV1 also include sealing rings for enhanced airtightness.
 

Superior Durability: Structural ceramics used in the FCCV1 are designed to withstand high temperatures and severe wear conditions, significantly extending the valve's service life compared to traditional metal valves.

Precision Engineering: The valve's components are meticulously crafted to ensure optimal performance, with each part pair-ground to achieve perfect sealing and smooth operation.

Low Operating Resistance: The smooth ceramic surfaces and optimized flow path minimize flow resistance, reducing operational costs and enhancing system efficiency.

Fully Symmetrical Design: The completely symmetrical design makes installation easy and ensures reliable operation in various configurations.

 

• Energy and Environmental Protection: Desulfurization, denitrification, three-waste treatment, fly ash slag removal, zero wastewater discharge.
• Hydrometallurgy and Casting: Ore mining and dressing, non-ferrous smelting, molding sand transportation, slag slurry regulation.
• Steel Metallurgy: Blast furnace coal injection, ash removal, sintering machine desulfurization, electric furnace carbon injection, molten iron pretreatment.
• Petrochemical: Catalytic cracking, drilling mud, acidic mixtures.

 

• Coal Chemical: Fly ash/water slurry transportation, black water/grey water/quenching water and slag water regulation, synthesis/conversion systems.
• Salt Chemical: Carbide slag slurry, salt mud, lime milk, ammonium salt water, sulfuric acid, hydrochloric acid, liquid chlorine.
• Silicon Chemical: Silicon powder transportation/venting, slag slurry/residual liquid treatment, fine powder tank venting.
• Mining and Smelting: Tailings backfill, ore slurry/sand transportation, cyanidation/smelting/electrolysis.