Recently, by Hebei Yanming Chemical Equipment Co., Ltd. Delivered as a complete set Reconstruction and Expansion of the Lithium Hydroxide Production Line at Hainan Xingzhihai New Materials 1 Carbonation Tower Unit System for the Ten-Thousand-Ton Battery-Grade Lithium Carbonate Project The equipment commissioning, process optimization, and material‑based trial operation were successfully completed, enabling Hainan Mining’s Xingzhihai lithium‑battery production line to deliver its first batch of qualified battery‑grade lithium carbonate. With the entire process chain now seamlessly integrated, this milestone confirms that Yanming Chemical’s carbonation‑based complete set of equipment has been thoroughly validated in real‑world production for both process compatibility and operational stability, marking a benchmark implementation of the lithium‑hydroxide‑to‑lithium‑carbonate carbonation route.

Official announcement from Hainan Xingzhihai New Materials: [Following 6 month 30  Following the official commissioning of the daily carbonization line, 7  month 17  On [date], following preliminary equipment commissioning, process optimization, and trial‑run adjustments, Xingzhihai’s newly added carbonation line successfully produced its first batch of lithium carbonate, marking the smooth rollout of the initial output. This milestone signifies that the new production line’s process chain has been fully integrated, laying a solid foundation for stable operations and capacity ramp‑up going forward. Since the carbonation line was commissioned, Xingzhihai’s dedicated project team has continuously overseen final-stage efforts, including equipment break‑in, process refinement, and parameter tuning. Technical and production teams have maintained relentless momentum, striving for excellence by rigorously adhering to production standards and quality requirements, continually optimizing workflows, and systematically addressing key challenges—such as process alignment, equipment inter‑operation, and parameter stability—during trial runs. Through steady progress in line commissioning and fine‑tuning, they have ensured the orderly advancement of pilot production. Following phased, meticulous adjustments and material‑based trial runs, the line demonstrated stable operating conditions and seamless process flow, culminating in the successful production of the first batch of qualified lithium carbonate. This successful product rollout thoroughly validates the reliability of the carbonation line’s overall process and the stability of its equipment, firmly establishing a robust foundation for sustained, efficient trial production and gradual capacity expansion. As a core upstream raw material for lithium batteries, the lithium carbonate produced this time meets quality benchmarks and exhibits excellent performance. Leveraging the existing line’s flexible production capabilities for both lithium carbonate and lithium hydroxide, Xingzhihai will dynamically adjust its product mix in response to market demand, further enhancing its competitive edge.

This project is located in the Hainan Yangpu Petrochemical New Materials Industrial Park, an area characterized by extreme high-temperature and high-humidity conditions as well as salt-spray corrosion—typical tropical operating environments—which place significant demands on… Lithium-ion battery carbonization complete set of equipment Stringent requirements are imposed on corrosion resistance, continuous operational capability, and the level of automated control. Hebei Yanming Chemical, as a complete set… Carbonation Tower System An integrated solutions provider with many years of expertise in the manufacturing of battery-grade lithium carbonate equipment, offering solutions that are closely aligned with customers’ annual production capacities. 1 The demand for producing ten thousand tons of battery-grade lithium carbonate, from process design to the manufacturing of pressure vessel equipment, PLC The control system is integrated into the entire on-site technical service chain, enabling customized delivery of a complete lithium‑ion battery carbonization equipment package.

Robust carbonization equipment capabilities, tailored to the demanding production conditions of lithium‑ion battery saltation.

In accordance with the technical agreement for the carbonation tower unit signed by both parties, all core equipment of this complete carbonation system has been custom‑made. 304 Stainless steel construction, with mirror‑polished interiors for the tower body, buffer tank, and thickener; strictly adheres to lithium‑battery industry standards prohibiting copper and zinc, ensuring perfect compatibility with the corrosive media of concentrated lithium hydroxide solutions; the complete system… Carbonation tower production line Design operational flexibility 70%-110% ， Carbon dioxide Loss ratio control ≤10% , the regeneration cycle shall be no less than 20  Tian has achieved industry-leading levels in both energy consumption metrics and material conversion efficiency.

  The complete system includes a carbonization tower, a raw material preheater, an off-gas cooler, a material transfer pump, and a full suite of intelligent online instruments. PLC Automatic control system, accompanying stainless steel piping and steel structure, as well as skid-mounted integrated modules; equipment is configured according to… 30  Design life of years, year 7200  Designed to meet rigorous continuous-operation standards, it is equipped with a variable-frequency circulation system and intelligent temperature control. /  Pressure /  Online liquid-level monitoring and fully automated valve‑controlled interlock logic enable closed-loop, fully automated control across the entire process—feed, carbonation, discharge, and off‑gas treatment. In response to Hainan’s tropical marine corrosive environment, electrical and instrumentation equipment is selected… WF2 With an outdoor corrosion‑resistance rating and a fully stainless‑steel configuration for control cabinets, cable trays, and conduit, this system eliminates corrosion‑related failures at the hardware level, ensuring the long‑term, stable operation of lithium‑carbonation equipment. It is also supplied with a comprehensive set of standard spare parts and a two‑year maintenance‑spare‑parts inventory, with standardized kits for wear‑prone components such as pump mechanical seals and drive belts, significantly reducing downtime during post‑commissioning operations at lithium‑salt plants. Thanks to this highly reliable, turnkey carbonation system, the Xingzhihai project team successfully overcame challenges in the trial‑production phase—such as equipment interlock issues and fluctuations in process parameters—ensuring smooth production of qualified battery‑grade lithium carbonate.

Professional lithium salt carbonization technology, enabling end-to-end flexible production of lithium carbonate.

Hebei Yanming Chemical has been deeply engaged in the development of complete sets of equipment for lithium salt carbonation for many years, possessing mature design capabilities for producing battery-grade lithium carbonate via the lithium hydroxide carbonation process, and can meet the flexible switching requirements between lithium carbonate and lithium hydroxide production. During the project’s early stages, our technical team conducted in-depth alignment with the customer’s process parameters, integrating… Li₂O Concentration 45 g/L Feed conditions, 50℃ The feed temperature and the characteristics of high-solids materials have been incorporated into the specialized equipment optimization design for the carbonation tower. During the manufacturing phase, strict adherence to national standards for pressure vessels was ensured, with comprehensive multi‑stage inspections and tests— including material nondestructive testing, hydrostatic pressure testing, and factory‑level integrated commissioning—carried out throughout the process. A complete inspection and test plan was submitted, and the entire production process was subject to customer supervision, thereby guaranteeing zero defects upon delivery of the complete carbonation equipment set.

  During the on-site commissioning phase, it was demonstrated that the carbonation tower equipment can rapidly adapt to the operating conditions of lithium carbonate crystallization and efficiently meet the requirements of the heavy‑solution carbonation reaction for lithium hydroxide, with the discharged lithium carbonate concentration remaining stable and compliant. ≥10% According to the process standards, the quality and performance of the first batch of lithium carbonate products fully meet the required specifications, thereby demonstrating that Yanming’s integrated carbonization equipment and process solution is mature and reliable. This capability supports the large-scale, stable production of lithium‑battery raw materials, helping lithium‑salt producers respond flexibly to market demand and enhance their competitive edge.

End-to-end, one-stop, and attentive services ensure the successful implementation and commissioning of lithium‑battery projects.

Since the project’s inception, Yanming Chemical has implemented a dedicated end-to-end service system covering pre-sales, in-sales, and after-sales phases. It has also established a specialized task force for the lithium‑ion battery carbonization project to provide continuous oversight and support, working in full coordination with the Hainan Xingzhihai project team to overcome all challenges along the way.

Pre-sales customized solution services

Our technical engineers provide one‑on‑one, in‑depth support, tailoring an integrated carbonation tower system to meet the customer’s requirement for a 10,000‑ton‑per‑year lithium carbonate capacity expansion or upgrade. We also offer concurrent process‑optimization and rationalization recommendations, aligning the solution with the specific production conditions of lithium hydroxide carbonation.

End-to-end delivery service throughout the sales process

The design, manufacturing, and automation teams collaborated seamlessly to complete, on schedule, the fabrication of the complete carbonization equipment, its skid-mounted prefabrication, and factory‑level integrated commissioning, delivering the full package in parallel. PID Drawings, electrical schematics, PLC Complete technical documentation, including procedures and equipment operation and maintenance manuals, is provided alongside a full set of civil engineering deliverables covering foundation loads and equipment layout, ensuring that clients can concurrently advance the associated civil works and piping projects.

On-site technical support services

Our dedicated engineers maintain a long-term on-site presence at the Hainan Yangpu project, providing end-to-end support that includes installation technical briefings, equipment assembly guidance, pipeline connection, and commissioning of the automated control system. In parallel, we deliver customized training programs on operation and maintenance, equipping your production and O&M personnel with comprehensive knowledge of carbonation tower principles, process parameter adjustment, troubleshooting, and routine upkeep. Additionally, we collaborate closely with the Xingzhihai team to carry out continuous equipment break-in, process optimization, and parameter fine-tuning.

Long-term after-sales support services

Provided from the date of successful acceptance of the equipment’s self‑adjustment test. 12 One-month full-machine warranty, with scheduled on-site inspections during the warranty period; an ultra‑fast service response mechanism is in place, covering areas within a thousand kilometers. 12  Hours, out of province 24  Our on-site technicians arrived promptly and will provide preferential spare‑part supplies and ongoing technical support for lithium‑ion battery processes throughout the product’s lifecycle. The successful production of the first batch from this 10,000‑ton‑per‑year lithium carbonate carbonation line is the result of the two teams’ collaborative efforts, leveraging the robust capabilities of the carbonation equipment and the comprehensive, end-to-end professional services they jointly deliver.

Building on the successful implementation of Hainan Mining’s Xingzhihai 10,000‑ton lithium carbonate carbonation project, Hebei Yanming Chemical has fully demonstrated the comprehensive strengths of its integrated carbonation tower equipment—covering products, technology, and services—and is establishing a standardized demonstration project for lithium hydroxide carbonation production lines. Looking ahead, the company will continue to deepen its R&D and manufacturing efforts in flexible, turnkey production lines for battery‑grade lithium carbonate and lithium hydroxide, steadily iterating and optimizing corrosion‑resistant materials, intelligent automation control systems, and low‑carbon, energy‑efficient carbonation processes. By doing so, it aims to provide domestic new‑energy material enterprises with stable, high‑efficiency, cost‑effective, integrated carbonation solutions, thereby supporting the high‑quality development of the upstream lithium salt raw‑material sector in the new‑energy industry.

No. 155, Kuanting Street, Circular Chemical Industry Park, High-tech Industrial Development Zone, Shijiazhuang City, Hebei Province

Phone
+8619933006765

Email
ymequipment@ymhgsb.com