In the construction industry, twin shaft concrete mixers have played a crucial role. These machines are not only essential for mixing but also widely applicable across various construction projects. To ensure optimal performance, they must be tailored to the specific terrain conditions and aligned with the design specifications of the machine and its components. This makes machine technology, including modifications, enhancements, and automation, extremely important. The automation system needs to be highly adaptable to meet different operational demands.
1. Mixers
To ensure safe and reliable operation, control systems are designed to manage tasks effectively. These include motor and mixer closed-loop control mechanisms. For models like the JS500 concrete mixer, the tank cover is controlled indirectly. Modern mixers are equipped with advanced sensors, such as microwave humidity sensors and temperature sensors, to monitor and adjust the mixing process in real time.
2. Concrete Management
Concrete handling involves equipment such as silos, conveyors, and screw feeders, which are controlled by inverters. Radar or sensor-based systems are used to measure material levels inside the silos. To manage dust, air filters and vibration systems are installed to automatically remove airborne particles. Additionally, pressure sensors help protect the silo from overpressure issues.
3. Transporting Sand
Sand transportation is monitored using strain sensors on conveyor belts or during unloading. If gravel trucks are used, position sensors at the inverter terminal and secure location ensure accurate delivery. Sand silos often use vibration systems to maintain precise material flow. In more demanding scenarios, radar sensors are employed to measure sand levels, and in some cases, they can even detect moisture content in the sand, ensuring accurate data collection for the mixing process.
4. Measuring Water
Water measurement is typically handled by two control valves, with one used for initial measurement and another paired with a flow meter for greater accuracy. This dual approach ensures precise water dosing, which is critical for achieving the right concrete consistency.
5. Adding Accessories
Depending on the application, different ingredients may be added during the concrete production process. Today, it's nearly impossible to imagine a concrete plant without auxiliary pumps and metering systems that help introduce additional materials. These accessories play a vital role in customizing the mix to meet specific project requirements.
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