From September 23rd to 25th, the 2024 Titanium-Zirconium Industry Development Annual Conference was held in Chengdu, Sichuan. As a sponsor of the conference, Xinhai Mining attended the conference with its "Full Mining Industry Chain Service (EPCM+O)". Ms. Pan Jufen, a senior engineer of Xinhai Mining, gave a speech on "Sharing the Experience of Zirconium-Titanium Ore Finishing and Low-Grade Ilmenite Ore Dressing Technology" on site, and exchanged ideas with colleagues in the titanium-zirconium industry to jointly promote the healthy development of the titanium-zirconium industry!
(Xinhai Mining's senior engineer Pan Jufen gave a speech)
(Xinhai Mining's on-site booth)
Use the table of contents below to navigate through the guide:
01Existing problems in the recycling of titanium-zirconium ore resources
Titanium-zirconium ore, as a scarce strategic resource, is widely used in many key fields. my country's titanium-zirconium resources have problems such as low resource grade, high mining difficulty, and high external dependence. At present, most domestic zirconium-titanium processing companies have a low comprehensive recycling rate. They only recycle titanium concentrate, zirconium concentrate, and rutile. There is no comprehensive recycling of tourmaline, monazite, and garnet. The recycling cost is high, resulting in a waste of resources and putting pressure on the ecological environment.
02Xinhai Mining's titanium-zirconium ore technology innovation
(Shandong zirconium-titanium ore project)
In 2022, the Shandong 1 million TPA zircon-titanium ore project designed by Xinhai Mining will break through the limitations of the old domestic mineral processing methods, make full use of the original ore, accurately recover 15 kinds of useful minerals, and build a large-scale, automated, zero-emission zircon-titanium ore dressing plant in China.
Xinhai Mining's innovative titanium-zirconium ore comprehensive recovery design plan has also been widely recognized by the industry, and has successively taken over multiple titanium-zirconium and ilmenite projects in Guangxi, Hainan, Guangdong, Jiangsu, Xinjiang and Mozambique.
(Hainan titanium-zirconium ore project)
(Xinjiang ilmenite project)
(Mozambique titanium-zirconium ore project)
At present, Xinhai Mining has accumulated rich project experience in the processing and recycling of titanium-zirconium ore resources, and has achieved a combination of process innovation and equipment innovation, becoming an excellent domestic and foreign titanium-zirconium ore comprehensive processing project service provider. It has many unique features in production scale, product solutions, continuous production, automation, green and intelligent aspects.
03Seaside zircon-titanium ore finishing technology
1. 100% comprehensive recycling
100% comprehensive recycling, accurate recycling of useful minerals, no tailings discharge! Based on the traditional project that can only recycle ilmenite and zircon, the Shandong zircon-titanium ore project has optimized the process flow, using the differences in magnetism, specific gravity, particle size, and conductivity between minerals to accurately recycle 15 kinds of useful minerals, and realize the refined comprehensive recycling of all valuable minerals.
(Comprehensive recovery of minerals)
2. Automation and intelligence
Xinhai Mining has designed an automation system for the Shandong zircon-titanium ore project, which greatly reduces the labor intensity and operating errors of workers. At the same time, it has planned and designed centralized control rooms at the workshop level and the plant level, respectively, to monitor, analyze and operate the entire production process in real time, and improve the production automation and intelligence level of the ore dressing plant.
(Automatic batching monitoring system)
3. Intensive environmental protection design
The zircon-titanium ore dressing plant designed and constructed by Xinhai Mining adopts an intensive design, and the modern new steel structure plant is fast to construct, occupies less space, saves investment, and has a beautiful appearance. Water treatment, material transportation, dust and noise all adopt high-standard environmental protection design, green and low-carbon.
(Intensive plant area)
04Innovative technology for low-grade ilmenite
1. New crushing and grinding technology
Xinhai Mining replaced the conventional crusher with a high-pressure roller mill with large single processing capacity and high equipment operation rate, and grinded the ore to 1-0mm with high-pressure rollers, which truly achieved more crushing and less grinding in the ore dressing plant.
2. Ultra-fine powder ore dry separation technology
Xinhai Mining adopts ultra-fine powder ore dry separation technology, and the -1mm dry separation tailing rate reaches 50%, which not only reduces the amount of ore entering the mill and reduces the power consumption of the mill; it also reduces the pressure of the tailings pond stacking and reduces the area occupied by the tailings pond, making the mine green and environmentally friendly.
3. Titanium "strong magnetic + flotation" process
This process can enrich low-grade titanium to a floatable level before flotation, and then select it through a high-concentration flotation titanium process. The conventional flotation concentration is 30-40%, the high-concentration flotation concentration is 45%, and the ultra-high concentration flotation concentration used in this project is 50-60%, with good titanium selection effect and reliable technology.
4. Vertical mill regrinds titanium coarse concentrate
Vertical mill is a vertically installed fine grinding equipment with a stirring device. This equipment can grind finely and efficiently to prevent over-grinding; it is easy to install and occupies a small area; it has low vibration and low noise during operation, which can improve the working environment.
At present, opportunities and challenges coexist in the development and utilization of titanium-zirconium ore resources in my country. The titanium-zirconium ore industry should improve the level of industrial chain development as soon as possible and establish a sustainable development and guarantee system for titanium-zirconium mineral resources. With the help of the 2024 Titanium-Zirconium Industry Development Annual Conference platform, Xinhai Mining will further expand cooperation and exchanges with titanium-zirconium mining companies. Xinhai Mining's "Full Mining Industry Chain Service (EPCM+O)" can further provide domestic and foreign titanium-zirconium mining companies with intelligent, efficient and high-quality zirconium-titanium project construction solutions, create greater value for customers, and jointly promote the development and progress of the titanium-zirconium mining industry!
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