Silo Control, Silo Protection and Silo Monitoring Systems

In industries that handle large volumes of dry bulk materials in powdered or granular form, effective and reliable storage is essential for preserving product quality and ensuring smooth operations. Bulk storage silos provide a dependable solution by protecting valuable raw materials from contamination, moisture, and environmental exposure.

Bulk material silos, manufactured by Polimak with high-quality materials and advanced engineering, optimize space management while maintaining the quality and integrity of stored products over extended periods. Effective handling during both filling and discharging processes is essential not only to guarantee the safety of the industrial plant and its operators but also to minimize material loss, reduce dust emissions, and prevent environmental pollution. Proper silo management contributes to more environmentally friendly 

Polimak offers comprehensive Silo Control, Silo Protection, and Silo Monitoring Systems that include a wide range of dry bulk material handling equipment, advanced automation, and software solutions designed to operate and protect silos in the most efficient and reliable manner.

Polimak designs, manufactures, and delivers one of the industry’s most sophisticated silo control, monitoring, and protection systems, enabling plant owners to efficiently monitor and manage their silos whether at a single site or across multiple locations worldwide. This advanced centralized control helps optimize operations, enhance safety, minimize downtime, and enhance plant productivity.

Reliable and safe handling of bulk materials depends on effective silo control and protection systems. These systems, equipped with PLC-based automation, enable continuous monitoring and precise control of silo operations, ensuring the safety of both equipment and personnel across the plant.

Complete control of a silo system is not limited to the silo alone but also covers all related upstream (e.g., pneumatic conveyors) and downstream (e.g., rotary valves, screw conveyors) equipment. These systems coordinate the operation of bulk material loading mechanisms, which may include mechanical conveyors such as bucket elevators or screw conveyors, as well as pneumatic conveying systems (both dilute and dense phase) or bulk tanker trucks.

The silo can experience hazardous conditions including overfilling, overpressurization, and underpressurization. The control system actively prevents these risks by continuously processing signals from various sensors such as pressure transmitters, level detectors, temperature sensors, and filter differential pressure switches. Neglecting these risks can lead to structural damage, equipment failure, or even explosions due to dust ignition or pressure buildup.

The system not only performs real-time monitoring but also tracks the condition and functionality of essential components such as pressure relief valves, level switches, air pads, and silo venting filters. This constant and comprehensive supervision is maintained through continuous diagnostics and routine performance assessments.

A key safety feature of the Polimak Silo Control System is the automated self-testing function. This mechanism runs both periodically and before each filling operation to provide system reliability. This automated testing process ensures all safety devices and system logic are functioning correctly before bulk material is transferred into the silo.

Our silo control systems integrate control, protection, and predictive maintenance features to improve operational efficiency, minimize downtime, reduce the risk of accidents, and help protect the environment, making them indispensable components in modern bulk material handling facilities.

Bulk material loading and discharging in storage silos can present several safety risks, including overfilling, excessive internal pressure, and combustible dust explosions. These hazards can pose serious threats to the integrity of the silo, the safety of plant personnel, and the continuity of operations.

A silo control system manages these risks by continuously monitoring and processing signals from multiple sensors installed on and around the silo. The system processes the received data and takes necessary automated actions to protect the silo and its surroundings. These actions include halting material flow, activating alarms, or venting excess pressure.

In this silo safety and protection system, critical components such as pressure relief valves, level sensors, temperature probes, and dust collection systems are monitored in real time. If any malfunction or abnormal condition is detected, plant operators are immediately alerted for corrective action.

In addition to active, real-time protection, the system also supports predictive maintenance by tracking the health and status of key equipment. This proactive approach helps minimize unplanned downtime and enhances overall operational efficiency.

Polimak silo safety and control system provides an integrated and effective safety solution, ensuring the protection of the silo structure, plant workers, and the plant environment, not only by preventing hazards but also by promoting sustainability.

Operating a reliable system requires proactive and sustained testing. This process begins at the system level and extends down to individual components. This approach not only ensures functional integrity but also enhances resilience by enabling early detection of potential issues. In industrial settings, bulk solids silos function as key infrastructure for the safe storage of raw materials. These silos are equipped with multiple pieces of equipment working in coordination to maintain safe, efficient, sustainable and dependable storage conditions.

Preventing equipment failures that could disrupt operations or pose safety risks is the primary function of the Silo Equipment Health Monitoring System, engineered and manufactured by Polimak. The system is specifically designed to monitor the operational health and performance of key components installed on storage silos—such as level sensors, temperature probes, pressure relief valves, dust collectors, and mechanical discharge devices. Continuous monitoring of these components allows the Silo Equipment Health Monitoring System to detect irregularities, signs of wear, or malfunctions at an early stage.

Polimak’s long years of experience in bulk material handling have enabled the development of the Industrial IOT Based Silo Level Monitoring and Inventory System. The system is designed to accurately track the level or weight of bulk solids stored within silos. It provides plant operators with critical information to efficiently manage raw material inventories. The quantity of powdered material inside a silo is measured using a combination of level sensors and load cells, which provide precise data on the material’s volume and weight.

These sensors are fully integrated with Polimak’s Politrace Inventory Monitoring Platform, a cloud-based solution that centralizes data collection and analysis. Sensor readings are transmitted securely via industrial IoT gateways, ensuring data integrity and protection against cyber threats. This setup enables real-time monitoring of silo inventories, allowing users to access up-to-date information through a web-based user interface.

The platform supports both local and remote monitoring, giving users the flexibility to track their material stocks anytime and from anywhere in the world. This enhanced monitoring capability helps optimize inventory management, reduces the risk of stockouts or overstocking, and supports better operational decision-making.

Silo monitoring provides access to various data points, customized to suit the specific operational needs and the nature of the stored material, such as:

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