The 2 QC Slide Gate Plate System is designed for reliable molten steel flow control in steelmaking and continuous casting operations. Installed in compatible ladle slide gate mechanisms, the refractory plates regulate the discharge of molten steel by controlling the alignment and opening of the flow passages. This helps steel plants manage casting operations, improve process stability, and maintain consistent flow-control performance.
The slide gate plates are manufactured using carefully selected refractory raw materials, including high-purity alumina, corundum, zirconia-containing materials, magnesia, spinel, and carbon. Different material formulations can be selected according to steel grade, molten steel temperature, slag chemistry, casting conditions, and required service life.
Xintai Refractory provides Al-C, Al-Zr-C, Mg-C, and Spinel-C slide gate plate solutions with customized dimensions and material specifications. These refractory compositions are designed to balance mechanical strength, thermal shock resistance, and resistance to molten steel erosion and chemical corrosion.
The 2 QC Slide Gate Plate System can be manufactured according to customer drawings and the requirements of compatible slide gate mechanisms. Bore dimensions, plate thickness, external profiles, and other machining details can be specified to suit different ladle capacities and steelmaking processes.
For steel plants seeking dependable refractory components for demanding molten steel flow-control applications, Xintai offers material selection and customized manufacturing support to meet specific operating requirements.
Technical Specifications
| Ladle Slide Gate Plate Physical and Chemical Performance Index | ||||
|---|---|---|---|---|
| Brand Items | HBLT80 | HBLT75 | HBLT70 | |
| Al2O3(%) ≥ | 80 | 75 | 70 | |
| C(%) ≥ | 2 | 3 | 3 | |
| Cold Crushing Strength(MPa) ≥ | Non impregnation | 80 | 70 | 60 |
| Impregnation | 100 | 90 | 80 | |
| Apparent porosity(%) ≤ | Non impregnation | 13 | 13 | 13 |
| Impregnation | 10 | 10 | 10 | |
| Bulk Density(g/cm³) ≥ | Non impregnation | 2.9 | 2.85 | 2.75 |
| Impregnation | 2.95 | 2.9 | 2.85 | |
Key Features
Reliable Molten Steel Flow Control: Precisely machined refractory plates support controlled opening, closing, and adjustment of molten steel discharge when installed in a compatible slide gate mechanism.
High Thermal Shock Resistance: Carefully selected refractory compositions help the plates withstand rapid temperature changes during ladle preparation, steel tapping, and continuous casting.
Resistance to Corrosion and Erosion: Alumina-carbon, aluminum-zirconium-carbon, magnesia-carbon, and spinel-carbon formulations can be selected to address different molten steel and slag conditions.
High Mechanical Strength: Dense refractory structures help resist mechanical loading, surface wear, and damage during installation and operation.
Controlled Apparent Porosity: Suitable material grades offer low apparent porosity to help limit molten steel and slag penetration and support refractory integrity.
Extended Service Life: Appropriate material selection, forming processes, and quality control help reduce premature wear and unplanned refractory replacement.
Multiple Material Options: Different refractory compositions allow steel plants to select plate materials according to steel grade, refining process, slag chemistry, and service conditions.
Customized Dimensions and Machining: External profiles, plate thickness, bore diameter, and other dimensional details can be manufactured according to approved drawings and equipment requirements.
Compatibility with Specified Equipment: Plate geometry can be tailored to the customer’s designated 2 QC slide gate mechanism, subject to dimensional verification and technical confirmation.
Typical Applications
The 2 QC Slide Gate Plate System is designed for refractory flow-control applications in the steelmaking industry, including:
Steelmaking ladles
Ladle refining furnaces
Continuous casting operations
Tundish flow-control systems
Basic oxygen furnace (BOF) steelmaking
Electric arc furnace (EAF) steelmaking
Secondary metallurgy processes
RH, VD, and VOD refining operations
Molten steel discharge and casting flow regulation
The appropriate refractory grade and plate configuration depend on equipment design, ladle capacity, casting conditions, molten steel chemistry, and the required operating life. Customers can provide technical drawings and operating parameters for product evaluation and customization.
Production Details
Xintai Refractory applies controlled manufacturing procedures to produce refractory slide gate plates for demanding steelmaking environments.
Raw Material Selection: Refractory raw materials are selected according to the specified chemical composition, particle grading, and intended operating conditions.
Precision Forming: Suitable pressing and forming processes are used to achieve the required plate geometry and dimensional consistency.
Heat Treatment and Processing: Thermal treatment, machining, and other production steps are selected according to the material formulation and product requirements.
Dimensional Inspection: Critical dimensions, including plate thickness, bore position, and external profile, can be checked against approved drawings.
Quality Control: Chemical composition and physical performance are evaluated according to the applicable product specifications and inspection requirements.
Customized Manufacturing: Product dimensions, material grades, and machining requirements can be discussed based on customer drawings and equipment specifications.
Packing and Shipping Details
Packaging: Export-standard wooden pallets or wooden cases with suitable protective materials, according to product dimensions and shipping requirements.
Port of Dispatch: China.
Delivery Time: Subject to material availability, order quantity, manufacturing schedule, and customization requirements.
Payment Terms: T/T, L/C, D/P, or other mutually agreed payment terms.
Shipping: International sea freight and other suitable shipping arrangements can be discussed according to the destination and order requirements.
Order Information: Customers are encouraged to provide drawings, required material grades, quantities, and target delivery dates when requesting a quotation.
Frequently Asked Questions (FAQ)
Q1: What is a 2 QC Slide Gate Plate System?
A 2 QC Slide Gate Plate System is a refractory plate solution intended for molten steel flow control in compatible slide gate equipment. The plates move relative to one another within the mechanism to regulate or shut off the flow passage during steelmaking and casting operations. The exact configuration should be confirmed against the relevant equipment drawing.
Q2: What materials are available for 2 QC slide gate plates?
Available material options may include alumina-carbon (Al-C), aluminum-zirconium-carbon (Al-Zr-C), magnesia-carbon (Mg-C), and spinel-carbon. The most suitable composition depends on molten steel conditions, slag chemistry, operating temperature, and required service life.
Q3. Can Xintai customize the size of 2 QC slide gate plates?
Yes. Customized manufacturing can be discussed according to customer drawings and technical specifications. Important details include outer dimensions, thickness, bore diameter, bore position, plate profile, and dimensional tolerances.
Q4: How do I choose the right refractory material?
Material selection should consider steel grade, molten steel temperature, slag composition, casting duration, thermal cycling, and existing equipment design. Xintai can evaluate the customer’s operating conditions to help identify a suitable material grade.
Q5: How can the service life of slide gate plates be improved?
Service life depends on refractory composition, plate machining accuracy, installation quality, preheating procedures, casting conditions, and operational maintenance. Selecting a compatible material grade and following the equipment manufacturer’s operating procedures can help reduce premature wear.
Q6: Are 2 QC slide gate plates suitable for continuous casting?
They may be suitable for continuous casting applications when the plate design, material composition, and dimensions match the installed slide gate mechanism and operating conditions. Equipment compatibility should be verified before ordering.
