Name: SiC Ceramic Slurry Pumps
Brand: Shijiazhuang First Pump Factory Co., Ltd.

SiC Ceramic Slurry Pumps

Silicon Carbide (SiC) is a technologically mature and widely utilized wear-resistant material, recognized for its exceptional combination of properties derived from its covalent bonding and tetrahedral crystal structure, which is analogous to diamond. Composed of silicon and carbon, this non-metallic ceramic exhibits a three-dimensional network structure, resulting in high intrinsic strength, superior hardness (second only to diamond), excellent thermal stability, and outstanding electrical insulation.

Key Advantages and Properties of SiC Ceramic Slurry Pumps

Exceptional Abrasion and Wear Resistance: SiC possesses extreme hardness, making it highly resistant to abrasion. Comparative tests demonstrate its wear resistance is 3 to 5 times greater than that of high-chromium wear-resistant steel (e.g., Cr30), ensuring prolonged service life in demanding slurry applications.
Superior Corrosion and Chemical Resistance: The material exhibits remarkable chemical stability. It is resistant to nearly all inorganic acids, organic acids, alkalis, and various chemicals, and offers excellent oxidation resistance. The only notable exceptions are hydrofluoric acid and hot, concentrated alkalis.
High Mechanical Strength and Impact Resistance: SiC's robust covalent bond structure provides high mechanical strength and enables it to withstand significant impact from large solid particles and grinding media, such as steel balls, without failure.
Excellent Thermal Properties: As an ultra-high-temperature ceramic, SiC maintains high strength and performance at elevated temperatures. It features a high thermal conductivity and a broad operational temperature range, suitable for long-term use from -40°C to 90°C, with a maximum service temperature of up to 110°C.
Cost-Effectiveness and Long Service Life: The synergy of its high abrasion resistance, corrosion resistance, and mechanical robustness translates into significantly extended component lifespan and reduced maintenance downtime, leading to a lower total cost of ownership across various industrial applications.

Application Fields of SiC Ceramic Slurry Pumps

SiC ceramics, including nitride-bonded and resin-bonded composite forms, are ideally suited for harsh environments involving highly abrasive, corrosive, and erosive media. Key applications include:

Mineral Processing & Tailings:

Applications: Mill cyclones, cyclone feed pumps, tailings delivery pumps, concentrate pumps, thickener underflow pumps, filter feed pumps.
Recommended Products: TAH Series Ceramic Pumps, TZJ Series Ceramic Pumps, STP Series Vertical Ceramic Pumps.

Environmental Protection, Coal-Fired Power & Metallurgy:

Applications: Flue gas desulfurization (FGD) slurry circulation pumps, mill slurry pumps, limestone slurry pumps, gypsum discharge pumps, emergency pumps, agitator pumps, sump pumps, hydrometallurgical slurry pumps, ammonia-based desulfurization pumps.
Recommended Products: LC Series Ceramic Pumps, SPT Series Vertical Ceramic Pumps.

Chemical Industry:

Applications: Processes in salt, alkali, and phosphate chemistry involving highly corrosive media, and other chemical mineral processing transfer pumps.
Recommended Products: LC Series Ceramic Pumps, SPT Series Vertical Ceramic Pumps.

The performance of high-grade SiC ceramics is critically dependent on the fine microstructure achieved through advanced powder preparation, which is a fundamental step in manufacturing these high-performance components.

TAH Series Ceramic Slurry Pumps

Design: Metal casing with internal SiC ceramic lining.

Application: Ideal for mining, metallurgy, power, coal, and chemical industries to transport solid-laden and corrosive slurries.

Model Example: TAH 250-813 (Outlet diameter: 250mm; Impeller diameter: 813mm)

Performance Range:

Flow: 50–2916 m³/h
Head: 11–85 m
Power: 7.5–800 kW

TZJ Series Ceramic Slurry Pumps

Type: Single-stage, single-suction centrifugal pumps with metal casing and SiC ceramic lining.

Features: Interchangeable with metal and rubber pumps; optimized for corrosive and abrasive slurries.

Performance Range:

Flow: 10–2408 m³/h
Head: 11–147 m
Power: 7.5–710 kW

LC Series Ceramic Desulfurization Pumps

Application: Designed for flue gas desulfurization (FGD) in coal-fired power plants, steel sintering, ammonia-based desulfurization, and wet smelting.

Structural Features:

Axial adjustment mechanism to maintain impeller clearance and efficiency.
"Rear-pull" design for easy maintenance without disassembling pipelines.
Large-diameter shaft and rigid bearing assembly for enhanced stability.
All wetted parts made of SiC ceramic.

Performance Range:

Flow: 5–16,000 m³/h
Head: 2–80 m
Outlet Diameter: 25–900 mm

SPT Series Vertical Ceramic Pumps

SPT Series Vertical Ceramic Pumps

Type: Submerged vertical centrifugal pumps.

Application: Suitable for abrasive, coarse-particle, high-concentration slurries in mining, coal, and desulfurization sump applications.

Features:

No shaft seal or sealing water required.
SiC ceramic wetted parts for wear and corrosion resistance.
Adjustable impeller-guard plate gap for sustained efficiency.

Performance Range:

Flow: 5–1089 m³/h
Head: 2–45 m
Outlet Diameter: 40–300 mm

Bearing Design and Transmission

Bearing Options:

Grease-Lubricated Bearing Assembly: Compact, easy maintenance, suitable for series connection.

Grease-Lubricated Bearing Assembly

Horizontal Split Oil-Lubricated Bearing Assembly: Robust design with water cooling for high-load and harsh conditions.

Horizontal Split Oil-Lubricated Bearing Assembly

Modular Oil-Lubricated Bearing Assembly: Combines compact size with high reliability.

Modular Oil-Lubricated Bearing Assembly

Transmission

Drive Configurations:

Direct coupling (DC)
Belt drive (CV, ZVZ)
Geared transmission (CRZ)

Sic Ceramic Slurry Pumps

Industrial Applications of SiC Ceramic Slurry Pumps

Industry	Applications	Recommended Series
Mineral Processing	Mill pump, cyclone feed pump, tailings transport	TAH, TZJ, SPT (Vertical)
Environmental Protection	Desulfurization slurry circulation, mill slurry pump	LC Series
Coal-Fired Power	Limestone slurry pump, gypsum discharge pump	LC Series
Steel & Smelting	Emergency pump, pulse suspension pump, sump pump	SPT, LC Series
Chemical Industry	Salt, alkali, phosphorus processing, and highly corrosive mineral slurries	LC, TZJ, SP

SiC ceramic slurry pumps represent a breakthrough in material science and hydraulic engineering. By leveraging the superior properties of reaction-sintered silicon carbide, our pumps deliver unmatched durability, efficiency, and cost-effectiveness across the most demanding industrial environments. With a full range of modular designs and customizable drive options, we provide reliable and maintenance-friendly solutions tailored to specific operational needs.