Case study of moisture-proof, sealed, pneumatic conveying of lithium carbonate powder in Xiaogan, H
A company in Xiaogan, Hubei, invested in and built a lithium carbonate powder production line, facing challenges such as material moisture absorption, high dust from traditional conveying methods, and high losses. To facilitate production continuity and product quality, after extensive investigation and evaluation, Head Powder ultimately chose the moisture-proof, sealed pneumatic conveying turnkey solution provided by Head Powder.
Project Background and Customer Challenges

Lithium carbonate is a high-value, highly hygroscopic powder material. Prolonged exposure to air causes moisture absorption and clumping, affecting the stability of subsequent processes and the purity of the finished product. The customer's original mechanical conveying method suffered from poor sealing, severe dust dispersion, low conveying efficiency, and required frequent manual cleaning and maintenance, which not only increased operating costs but also restricted capacity release. Additionally, due to the compact space on site, there are high requirements for equipment space and layout.
Solutions and main features

After in-depth on-site research, the Head powder technical team customized a fully sealed, negative pressure conveying, moisture-proof, dust-proof pneumatic conveying system for the customer. This system adopts a modular design, integrating efficient dust removal, online moisture monitoring, and automatic reverse blowing and blockage clearance, fundamentally solving the problems of material moisture absorption and dust leakage. Key advantages include:
- Fully sealed conveying to prevent moisture intrusion:The pipeline system uses airtight welding and sealing flange connections, combined with nitrogen protection, which helps ensure that lithium carbonate powder is fully isolated from the outside air during transportation, with moisture increase controlled to an extremely low range.
- Low energy consumption, low loss:By optimizing the gas-solid ratio and pipeline paths, conveying efficiency is improved, system pressure loss is reduced, and energy consumption is reduced by about 20%; At the same time, the material residue rate is below 0.3%, reducing waste.
- Intelligent control, unattended operation:Equipped with a PLC automatic control system, it monitors parameters such as pressure, flow, temperature, and humidity in real time. It automatically alarms abnormal situations and adjusts operating parameters, ensuring 24-hour normal operation and reducing manual intervention.
- Compact layout, fast delivery:The system adopts a three-dimensional layout, occupying only 60% of the traditional solution, and all modules are pre-assembled and commissioned in the factory, shortening on-site installation cycles by 40%, helping customers start production sooner.
After the project was put into operation, customers reported no dust leakage during transportation, stable lithium carbonate powder quality, a significant reduction in production line failure rates, and a significant reduction in overall operating costs compared to before the renovation, all of which were highly recognized by the client.