Partner Client
China National Building Material Group Co., Ltd.(CNBM)
Project Location
Anhui Province, Eastern China
Application industries
Building Materials
Year of Cooperation
Since 2023
Client Overview
China National Building Material Group Co., Ltd. (CNBM), the world’s largest comprehensive building materials producer, operates extensive cement and aggregates production facilities across China. With an annual cement clinker capacity exceeding 500 million tons and a strong presence in Eastern China, CNBM continually seeks reliable solutions to optimize its high-volume material handling processes while advancing sustainability and operational efficiency.
Project Background
Since 2023, BAO has partnered with CNBM on multiple cement production facilities in Anhui Province, Eastern China—a key hub featuring advanced plants and research institutes like the Hefei Cement Research & Design Institute. In these demanding environments, conveyor systems transport abrasive raw materials (such as limestone and aggregates) and high-temperature clinker from kilns to cooling and storage areas.
Client Challenges
Severe Abrasion
Sharp-edged limestone, aggregates, and hot clinker rapidly wore down belt covers, leading to frequent replacements and unplanned downtime.
High Temperatures
Clinker often reached surface temperatures up to 180°C, causing standard belts to harden, crack, or degrade prematurely.
Heavy Loads and Dust
Continuous heavy-duty operation in dusty conditions increased maintenance needs and risked production interruptions in a 24/7 facility.
Cost and Sustainability Pressures
Frequent belt failures raised operational costs and conflicted with CNBM's goals for greener, low-carbon manufacturing.
These challenges not only impacted daily throughput but also frustrated on-site engineers who needed dependable equipment to maintain tight production schedules.
BAO's Tailored Solution
Through detailed technical exchanges, comprehensive review of CNBM’s operating conditions, and in-depth analysis of their material handling requirements, BAO proposed customized high-performance EP fabric core conveyor belts designed specifically for cement applications:
Heat Resistance
T3-grade belts with high-performance EPDM/Butyl blend cover rubber, capable of handling continuous material temperatures up to 150°C and peak surface temperatures of 180°C.
Superior Abrasion Resistance
Cover compounds achieving abrasion loss <150 mm³ (target grade), far exceeding DIN 22102 standards for durability against sharp aggregates and clinker.
Strength and Adhesion
EP 200–630 N/mm tensile strength ranges, with ply adhesion >4.5 N/mm and overall tensile strength >18 MPa, ensuring stability under heavy loads.
Customization
Belts optimized for long-distance inclines and heavy-impact zones, with anti-static properties to manage dust in explosive-prone areas.
BAO’s technical team worked closely with CNBM engineers throughout the selection and specification process, providing detailed performance data, sample testing support, and tailored recommendations to ensure seamless integration into existing systems.
Implementation and Support
Following specification approval, BAO delivered the customized belts with precise timing to minimize production disruption. Our service team provided comprehensive installation guidance and on-site commissioning support, along with specialized training for CNBM’s maintenance personnel on optimal belt tracking, tensioning, and preventive care.
Results and Impact
The implementation delivered measurable improvements:
Extended Belt Life
Service life increased by over 30%, significantly reducing replacement frequency and downtime.
Efficiency Gains
Material handling stability improved, boosting overall line throughput by approximately 15–20% in targeted sections.
Cost Savings
Lower maintenance and replacement expenses contributed to substantial annual savings for the facilities.
Sustainability Benefits
Longer belt lifespan and reduced waste aligned perfectly with CNBM's low-carbon and circular economy initiatives.
This successful partnership reflects BAO’s expertise in delivering high-quality, standards-exceeding conveyor solutions tailored to the unique needs of industry leaders like CNBM. We continue to support their operations and look forward to expanding collaboration across additional facilities in their nationwide network.
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