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SM2000 stabilized soil plant mixing equipment control system
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Application Range
Automatically controls the entire production process of stabilized soil and achieves production data management of stabilized soil.
System Composition
The system adopts a distributed control mode, achievable computer centralized management and control → Batching Controller Independent control → Variable frequency Speed regulation The device directly controls the three-level control, preventing production from being affected by failures in the batching management system. This maximizes the stability and reliability of the entire system. Main The equipment mainly consists of powder delivery system, aggregate delivery system, aggregate belt, mixing device, and finished product conveying and storage system. There is one set of powder delivery system and five sets of aggregate delivery system. In addition, there are water supply system, air supply equipment and loading device, etc.
Functions and Features
The entire system has automatic batching, continuous mixing, manual unloading and loading, etc., and the system also has manual control function and on-site machine-side safety control.
1. Aggregate Batching: Can be composed of 4-6 variable frequency speed regulating belt scales, and can use SM40-2005 or SM40-2000Y belt scale controller to control the frequency converter to adjust the feeding. 。
2. Powder Batching: Using continuous loss-in-weight scale or electronic spiral scale metering method, the control instrument uses SM40-SG loss-in-weight scale controller. The loss-in-weight scale is a new type of quantitative feeding scale, which uses static metering to achieve dynamic flow measurement, and its metering accuracy is basically close to static scale.
3. Water addition control can be achieved, the water addition is measured by the flow meter, and adjusted according to the set value.
4. According to the process flow and equipment layout, the starting sequence and delay time of each batching scale can be selected to ensure that the materials enter the mixer at the same time, reduce the mixing time, and improve the mixing efficiency.
5. The host computer has process flow animation display and parameter modification functions.
6. The software has recipe library management, historical data storage, automatic batch reports, daily reports, monthly reports, annual reports, statistics and printing functions.
7. The host computer software sets two-level password protection: operation password and important parameter modification password.
8. SM40-CW The batching manager has batching start/stop timing control, scale group definition, recipe management, quantitative management, and miniature printing management.
Technical Indicators
1. System applicable range: 300-600 series stabilized soil mixing system
2. Accuracy of aggregate, soil, lime and fly ash : Closed-loop control is better than 1% , open-loop control is better than 2% , volumetric control is better than 3%
3. Cement metering accuracy : ≤ 1%
4. Instrument and host computer operating power supply: AC 220V±15% 50Hz 1000W
5. Ambient temperature: -10~55℃ Relative humidity: < 90%RH (no condensation)
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