The 100,000-ton granular silicon project of the Leshan base is a new 100,000-ton

granular silicon single project that adopts the design idea of "systematization,

standardization, digitization, integration, intelligence and modularization".

At present, the Leshan GCL granular silicon project has entered a good state of stable operation,

and various parameters such as product quality, production efficiency, process technology,

and cost control have reached or even exceeded the predetermined target value.

After the project is put into production, it will effectively alleviate the strong market

demand for GCL-FBR granular silicon and promote the realization of the global energy "carbon neutrality" goal.

Yokogawa Electric (China) Co., Ltd. won the bid in the centralized bidding of DCS control system for

the construction project of GCL-Poly Silicon Materials Division in September 2021.

Yokogawa provided a variety of system hardware, software and technical services for the project,

including the CENTUM VP distributed control system (DCS) and the PRM plant resource management system.

Yokogawa's DCS is a truly open-structured system that combines real-time, reliability, and stability.

PRM transforms field equipment maintenance from regular and preventive maintenance to predictive maintenance.

In addition, the remote operation solution configuration provided by Yokogawa Electric (China) Co.,

Ltd. includes the WAC (Wide Area Network Communication Router) remote operation and monitoring solution,

which can complete the operation and monitoring of field devices in the central control room hundreds of kilometers away.

In this project, Yokogawa Electric (China) Co., Ltd. adopted advanced, mature and reliable integrated solutions,

which enabled the system to have obvious advantages in design, engineering,

information management, control, security, etc., and improved the system's performance. overall performance.

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