Modulating Ceramic Ball Valve for Chlorosilane and Fine Silicon Powder in Polycrystalline Silicon Processes

Product Description

This ceramic ball valve is meticulously designed for handling chlorosilane and fine silicon powder in silicon powder transportation systems, a critical application within the polycrystalline silicon industry. Engineered for high-pressure operations, it ensures precise modulation and reliable performance under demanding conditions.

Application Details:

• Medium: Chlorosilane with traces of fine silicon powder.
• Operating Temperature: 152.6ºC, designed for up to 190ºC.
• Pressure Specifications:
  • Differential Pressure: 0.05 MPa (Inlet: 3.42 MPa; Outlet: 3.37 MPa).
  • Shut-off Pressure Differential: 3.91 MPa for secure sealing.

Material Composition:

• Valve Body: WCB carbon steel, delivering superior strength and longevity under high-pressure and high-temperature conditions.
• Valve Stem: 17-4PH special steel, providing outstanding resistance to corrosion and wear, essential for handling aggressive chemical media.

Actuation and Control:

• Type: Pneumatic spring return actuation (PK) for efficient operation and safety.
• Control Mechanism: Modulating control (C), enabling precise flow adjustments to match process requirements.

This ceramic ball valve is tailored for challenging environments, combining robust materials and advanced technology to meet the specific demands of the polycrystalline silicon industry. Its design guarantees extended service life and reliability, even in abrasive and corrosive applications.

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.