Sannuo Successfully Delivers High-End Tabular Alumina Production Line to Empower Refractory Industry Upgrading

Shandong Sannuo Electromechanical Technology Co., Ltd. has successfully completed the engineering, manufacturing, and commissioning of a high-end Tabular Alumina Production Line, which is now running stably at the customer’s site. Designed with a focus on high purity, high bulk density, low porosity, energy saving and environmental protection, this line mainly serves premium refractory and advanced ceramic applications, meeting the standards of leading global producers.

As a key raw material for high-performance refractories, Tabular Alumina requires very strict control of process parameters and equipment quality. This production line is fully engineered by Sannuo and covers the complete process flow, including raw material preparation, forming, pre-firing, tabular alumina calcination, cooling & crushing, screening & storage, and automatic packing, providing customers with a truly turnkey EPC solution from raw material to finished products.

1. Line Overview

• Designed Capacity: approx. 10,000–15,000 tons/year of tabular alumina (customizable)

• Typical Product Index:

• Al₂O₃ ≥ 99.5 %

• Bulk density ≥ 3.54 g/cm³

• Apparent porosity ≤ 4.8 %

• Main Applications: high-grade castables, slide gate plates, ladle refractories, advanced ceramics, and critical refractory parts for steel, petrochemical and other high-temperature industries.

2. Process and Equipment Highlights

1. Optimized Firing Process
   The line adopts a high-temperature rotary kiln or shaft kiln with precisely controlled temperature curves, ensuring complete α-Al₂O₃ transformation and sufficient crystal growth to form dense tabular structures.

2. Automatic Batching & Smart Control
   Equipped with automatic weighing and batching systems, belt weigh feeders, and online monitoring, the production line is centrally controlled by Siemens PLC and HMI. This guarantees accurate dosing, transparent process visualization, and complete historical data traceability.

3. Efficient Crushing and Precise Classification
   Through multi-stage crushing and classification, the system provides flexible particle size distributions (fines and various granular sizes) tailored to customer recipes, delivering stable particle-size curves and improved refractory performance.

4. Environmental Protection and Energy Efficiency
   Bag filters and negative-pressure dust collection systems are applied throughout the line to meet local and international emission standards. Waste heat recovery and advanced insulation design significantly reduce energy consumption and help customers achieve their energy-saving and emission-reduction targets.

3. One-Stop EPC and Global Service

Beyond single machines, Sannuo provides complete process design, equipment supply, installation & commissioning, training, and technical services as a one-stop EPC provider. For overseas customers, we offer:

• Remote technical support and on-site service

• Spare parts and wear parts packages

• Electrical, environmental and safety designs adapted to local regulations

• Assistance in project planning, investment evaluation and future line upgrading

The successful delivery of this Tabular Alumina Production Line marks an important step for Sannuo in the high-end refractory equipment sector and offers global partners a competitive choice for high value-added production lines.

We warmly welcome customers from the refractory, metallurgy, petrochemical and advanced materials industries worldwide to contact us and explore cooperation opportunities for tabular alumina production lines and related projects.

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Sannuo is an EPC contractor for tabular alumina production lines serving global refractory manufacturers.

Tabular Alumina Production Line | EPC Refractory Solution | Sannuo