build a new "lithium" process! Wanlong Electric Helps Qinghai Salt Lake 40000 Lithium Salt Integration Project

, when the crystal-clear salt grains of Chaerhan Salt Lake met with cutting-edge lithium battery technology, a benchmark project carrying the national new energy strategy rose. Recently, the 40000-ton/year basic lithium salt integration project of Qinghai Salt Lake Industry Co., Ltd. has successfully passed the acceptance and officially entered a new stage of commercial operation. In this super project with an estimated investment of more than 6 billion yuan and a comprehensive lithium yield of 82.4, more than 1000 ST420H2-TCP(MODBUS-TCP agreement) low-voltage microcomputer line protection devices provided by Suzhou Wanlong Electric are perfectly coordinated with Siemens SIMATIC Pcs7 V10.0 SP1 control system to build a solid electrical safety defense line for the project.

, as the core hub of Qinghai's world-class salt lake industrial base, the estimated investment of the project exceeds 6 billion yuan, involving many sets of complex process units such as adsorption lithium extraction, membrane separation, electrochemical deintercalation, etc., which puts forward strict requirements on the stability, compatibility and safety of the electrical control system. Suzhou Wanlong Electric relies on 39 years of technical accumulation in the industrial electrical field. Its independently developed ST420H2-MODBUS-TCP microcomputer protection device is perfectly integrated into the PCS7 V10.0 SP1 control system. It realizes millisecond data interaction with the system through MODBUS-TCP industrial Ethernet protocol, and cooperates with Siemens standard communication library configuration to complete the automatic control of the whole process of protection setting value distribution, real-time operation status monitoring and fault information uploading of more than 1000 equipment. In the continuous full-load trial operation, the whole system has zero communication interruption, zero protection misoperation, and the data transmission accuracy rate is 100, which fully verifies the ultra-high adaptability of Wanlong products and Siemens system.

this time are intelligent terminals specially customized for industrial heavy-duty scenarios, and have three core advantages to adapt to lithium extraction conditions in salt lakes:

• extreme compatibility: for the communication protocol specification of PCS7 V10.0 SP1, it is equipped with MODBUS-TCP industrial Ethernet communication protocol, customized and developed data interaction interface, optimized byte order conversion and data mapping logic, and ensured "plug and play" with the system; With the help of redundant communication configuration supported by the system, dual-link communication backup of equipment is realized, and communication reliability is further improved.
• Wide-range adaptability: resistant to -20 ℃ ~ 60 ℃ extreme temperature difference and high salt spray environment, the use of high sealing shell and anti-corrosion coating process to ensure stable and reliable operation of products in salt lake extreme climate.
• High reliability: Adapted to the enhanced security policy of PCS7 V10.0 SP1, equipment operation records are synchronized to the system audit tracking module in real time, meeting the strict requirements of the project on industrial network security and compliance, and realizing traceability of the entire operation. Using modular design and multiple redundancy mechanism, the overload capacity of 40In is allowed to run for 1s, which perfectly matches the high stability requirements of 24-hour continuous production of the project.

Under the guidance of the "double carbon" goal, lithium resources are the core lifeline of the new energy industry, and its development efficiency directly affects the development of downstream industries such as power batteries and energy storage. Wanlong Electric will take this cooperation as an opportunity to continue to iterate the intelligent protection scheme adapted to the new energy scenario, deepen the layout in the fields of salt lake lithium, photovoltaic, energy storage, hydrogen energy, etc., and help China's new energy industry chain to upgrade safely with the hard core strength of domestic industrial electrical equipment.