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Two 4000-Ton Steel Silo in Angola

Project country:Angola
Store materials:Soybean steel silo
Silo capacity:Two 4000-Ton
Installation: Engineers guide the installation on site


As an important country in southern Africa, Angola has made significant progress in infrastructure and industrial development in recent years. To further enhance the national grain reserve capacity and ensure food security, the Angolan government decided to construct a batch of high-capacity steel silo in key areas. This case involves the installation of two 4000-ton steel silo to meet the growing storage needs.

Two 4000-Ton Steel Silo in Angola

Project Overview

The core objective of this project is to install two 4000-ton steel silo, each featuring advanced design and efficient storage capacity. The project is located in central Angola, a major grain-growing region. Its strategic location optimizes logistics and grain storage management. To ensure the project’s smooth progress, a team of experienced engineers was invited to guide the on-site installation.

Design and Preparation

At the initial stage of the project, the engineering team conducted a detailed survey and design of the project site. Considering Angola’s climate characteristics and geological conditions, the design of the steel silo needed to be highly durable, moisture-resistant, and corrosion-resistant. Ensuring the stability of the 4000-ton steel silo was crucial, so a deep foundation and multi-point support structure were used to withstand potential geological changes and natural disasters.

After finalizing the design, the engineering team held multiple technical exchanges with the local construction team to ensure every detail was executed properly. Before construction, all steel materials and components underwent strict quality inspections to meet international standards.

Installation Process

During the installation, the engineering team provided on-site guidance to ensure each step was executed according to design requirements. First, the foundation was constructed with multiple layers of concrete pouring and reinforced steel to ensure the base’s solidity. Next came the assembly and welding of the steel plates, a critical part of the installation process. To ensure the overall strength of the 4000-ton steel silo, automatic welding technology was used, complemented by rigorous quality checks to ensure defect-free welds.

Attention to detail was paramount during installation. For instance, given Angola’s humid and hot climate, the steel plates were treated with multiple layers of anti-corrosion coating. Additionally, to prevent condensation inside the silos, advanced ventilation and temperature control systems were designed and installed, effectively ensuring the quality of grain storage.
Two 4000-Ton Steel Silo in Angola

Quality Control and Acceptance

Strict quality control and testing were applied at each stage of the installation. Especially for welding and anti-corrosion treatment, the engineering team used advanced techniques such as ultrasonic testing and coating thickness testing to ensure every detail of the 4000-ton steel silo met the standards.

As the project neared completion, a comprehensive acceptance check was conducted. The foundation, steel plates, welding, anti-corrosion, and ventilation systems of each silo were meticulously inspected. This ensured that both 4000-ton steel silo complied with design specifications and quality criteria, deeming them operational.

Outcomes and Impact

The successful installation of the two 4000-ton steel silo significantly enhanced Angola’s grain reserve and management capabilities. The high capacity of the 4000-ton steel silos effectively alleviated storage pressure and improved the efficiency of grain storage and management. Also, the superior ventilation and temperature management systems safeguarded the grain’s quality and safety, minimizing weather-related losses.

Moreover, this project provided valuable experience and technical training for the local construction teams and technicians in Angola, enhancing their execution capabilities and technical skills in large-scale engineering projects. This laid a solid foundation for the future implementation of similar projects.


The successful setup of Angola’s twin 4000-ton steel silo owes to the pros’ advice and the local crew’s teamwork. This project not only improved Angola’s grain reserve capacity but also provided valuable experience and reference for similar projects in other regions. Ongoing technological advancements and applications are driving the promotion and adoption of 4000-ton steel silo. Thus, the silos are set to enhance global food security in more areas.

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