The twin-shaft concrete mixer plays a crucial role in construction projects. It is also widely applicable across various other construction scenarios. Therefore, it must be adapted to the specific terrain conditions and designed according to the machine's requirements and component specifications. A key function of the machine technology involves modifications, additions, and extensions, with a highly flexible automation system being essential.
1. Mixers
To ensure safe and reliable operation, the control system must be designed to manage tasks effectively. This typically involves motor and mixer closed-loop control mechanisms. The tank cover of the JS500 concrete mixer is indirectly driven and controlled as well. Today, the most commonly used systems include not only stirring functions but also moisture measurement, which is achieved through microwave sensors and temperature sensors integrated into the system.
2. Concrete Management
Concrete handling equipment includes silos, conveyors, and screw feeders controlled by inverters. Material levels in the silos are measured using radar or optical sensors. To minimize dust, the mixer is equipped with an air filter system that uses vibration technology to automatically remove airborne particles. Additionally, pressure sensors protect the silo from overfilling and excessive internal pressure.
3. Transporting Sand
Sand is weighed either during unloading or via strain sensors on conveyor belts. If gravel trucks are used, they are equipped with position sensors at both the inverter and secure terminals. Sand silos use vibration systems to ensure accurate material dispensing. In more complex applications, radar sensors are used to measure sand levels. These sensors can also detect water content in the sand when needed, ensuring precise data collection during the mixing process.
4. Measuring Water Amount
Water is measured using two control valves for initial measurement, while a weighing system and flow meter are used for more accurate readings. This ensures the correct proportion of water is added during the mixing process.
5. Adding Accessories
Concrete production often requires additional ingredients depending on the application. It is now nearly impossible to imagine a concrete production line without auxiliary pumps and metering systems that help in adding these components accurately. These accessories are essential for achieving the desired mix quality and performance.
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