Which non-metallic mine prospects are good in the next three years? Where do you encourage development? What technology needs to be solved?

So today, the Powder Technology Network will share with you, which non-metallic mine prospects are good in the next three years? Where do you encourage development? What technology needs to be solved?

Non-metallic minerals are important basic materials for modern industry, as well as raw and auxiliary materials supporting modern high-tech industries and functional materials such as energy conservation, environmental protection and ecology. Under the requirements of environmental protection, safety and green recycling, efficient comprehensive utilization and deep processing are the only way to develop and utilize non-metallic minerals, while functionalization is the theme of non-metallic mineral materials development.

In September 2016, the Ministry of Industry and Information Technology issued the “ Building Industry Development Plan (2016-2020) ”, clearly stating that it is necessary to develop advanced and applicable technologies and equipment to improve the mining rate of non-metallic mineral resources, the recovery rate of mineral processing and the comprehensive utilization rate. Actively promote the application of mineral functional materials, focusing on the development of mineral functional materials based on non-metallic minerals for energy-saving fire protection, filling coating, environmental protection, energy storage and insulation.

Mineral Functional Materials Development Action

(1) Graphite: Develop high-purity graphite, isostatic graphite, fluorinated graphite, silicon-infiltrated graphite, sealing materials, graphite heat-dissipating/thermal-conducting materials, polymer composite materials, etc. used in electronics, new energy, national defense and military industries.

(2) Quartz: Developed high-purity quartz, fused silica and products for the fields of electronics, photovoltaic/photothermal, aerospace, defense and military, and functional fillers for silicon micropowder.

(3) Diatomaceous earth: Develop high-performance filter aids, pesticide carriers, air purification adsorption materials, water treatment filter materials, energy-saving insulation materials, etc. for environmental protection and medical treatment.

(4) Wollastonite: Development of high aspect ratio wollastonite powder, modified wollastonite powder, high-performance metallurgical protective slag materials for rubber, plastics, papermaking, metallurgy and other fields.

(5) Bentonite: Develop high-efficiency activated clay, nano-bentonite, organic bentonite, bentonite inorganic gel, bentonite for alcohol-based coating, sand-fixing vegetation material, bentonite adsorption material, etc. for environmental protection, chemical industry, metallurgy and other fields.

(6) Kaolin: Develop high-efficiency catalyst carriers, functional fillers, coating pigments, and adsorbent materials for papermaking, chemical, environmental protection, national defense and military industries.

(7) Sepiolite: The development of air purification materials, molecular sieves, water treatment materials, soil amendments, functional fillers, etc. used in environmental protection, medical treatment, food and other fields.

(8) Attapulgite clay: Development of decolorizers, catalyst carriers, functional fillers, water treatment adsorption materials, soil improvement and repair materials, and automobile exhaust gas purification materials for food, chemical, environmental protection and other fields.

(9) Mica: Developed ultra-fine mica, high-performance mica paper, mica board, and filler for functional coatings used in chemical and electronic fields.

(10) Talc: Development of functional fillers, glazes, coating materials, etc. for rubber, ceramics, paper, food, medicine and other fields.

China's non-metallic mineral resources are relatively concentrated, and some resource-preferred areas have formed a large-scale mining, processing, and application industries, such as the capital of heavy calcium - Hezhou, the capital of the crystal - Jiangsu Donghai, the capital of the earth - Jiangsu The hometown of bentonite - Zhejiang Anji, the hometown of talc - Liaoning Haicheng, the capital of graphite - Heilongjiang Jixi and so on.

Policy is the orientation and the trend. In the development of regional non-metallic mineral industry, the support and guidance of local governments is of paramount importance .

" Building Material Industry Development Plan (2016-2020) " proposes to cultivate regional characteristic industries: coordinating resource endowments, environmental capacity, transportation logistics, market demand and other factors, adapting to local conditions, supporting resources in areas with comparative advantages or planning construction areas. Develop special non-metallic mineral mining and deep processing industries, rationally cultivate regional characteristic building materials industry, and form a number of production bases with distinctive characteristics and industrial agglomeration.

Regional characteristic industry cultivation action

(1) North China

Beijing-Tianjin-Hebei coordinated development to realize the comprehensive utilization of industrial resources, promote the use of tailings resources to produce building materials, and cultivate graphene materials. Hebei raises the level of the glass industry and regulates the development of the insulation materials industry.

Shanxi has built a base of basalt fiber and refractory materials.

Inner Mongolia relies on the advantages of graphite resources to develop deep processing of graphite.

(2) Northeastern region

Liaoning develops deep processing industries of magnesite, talc, wollastonite and bentonite, and accelerates the upgrading of ceramics.

Jilin develops diatomite, wollastonite deep processing industry, comprehensive utilization of agricultural and forestry residues, carbon fiber and composite materials.

Heilongjiang focuses on the development of graphite and deep processing industries, and expands new materials industries such as graphene.

(3) East China

Shanghai has accelerated the development of advanced inorganic non-metallic materials.

Jiangsu focuses on the development of carbon fiber and composite materials, graphene materials, attapulgite, and kaolin deep processing industry.

Zhejiang develops high-performance fiber and composite materials, graphene materials, bentonite deep processing industry.

Anhui focuses on the development of industrial glass and upgrades the silicon industry base.

Jiangxi develops glass fiber and composite materials, ceramics, wollastonite, black talc deep processing industry.

Shandong develops industrial ceramics, glass processing, graphene, talc deep processing, high-performance fiber and composite materials industries.

Fujian promotes the transformation and upgrading of ceramics, stone and other industries, and makes excellent and strong glass and kaolin deep processing industries.

(4) Central South Region

Henan develops superhard materials and upgrades refractory materials.

Based on the advantages of water transport, Hubei develops deep processing of stone and builds a central stone distribution center.

Hunan develops the components needed for prefabricated buildings, promotes the upgrading of the glass industry, and develops the deep processing industry of sepiolite and cryptocrystalline graphite.

Guangdong further develops and strengthens the construction of sanitary ceramics, glass, kaolin deep processing and other industries.

Guangxi has built a demonstration base for talc, calcium carbonate and kaolin deep processing industry, and has undertaken the transfer of sanitary ceramics in the eastern building.

Hainan develops offshore cement and products, industrial glass and deep processing.

(5) Southwest Region

Chongqing promotes the development of glass deep processing, graphene and other industries, and develops the glass fiber and composite materials industry.

Sichuan will expand and strengthen high-performance fiber and composite materials to promote ceramic transformation and upgrading.

Guizhou uses the advantages of resources to build a stone industry base.

Yunnan focuses on the development of silica sand, deep processing of glass and parts and components required for wood structures.

Tibet develops new green building materials.

(6) Northwest Territories

Based on high-quality granite and marble resources, Shaanxi builds a stone industry base and builds a mineral functional material industrial park with barite deep processing.

The Gansu region uses wind power to develop high-energy energy products such as silicon carbide and sapphire.

Qinghai develops sapphire crystals, glass deep processing and high-strength gypsum powder industries, and appropriately expands the scale of refractory materials.

Xinjiang makes full use of bentonite, andalusite and other resources to develop intensive processing of mineral products, undertake the transfer of stone industry, and build a characteristic industrial base.

In January 2017, the State Council issued the “ 13th Five-Year Plan for Promoting the Development of Ethnic Areas and Small Populations ”, clearly stating that in the construction of demonstration zones for mineral functional materials in ethnic areas, energy conservation, environmental protection, soil management, and ecological restoration should be The demand for modern agriculture is traction, and the scientific development support for non-metallic mineral resources is increased to create a number of characteristic non-metallic mineral industrial parks.

Develop advanced and applicable technologies and equipment, improve the mining of non-metallic mineral resources, recovery rate of mineral processing and comprehensive utilization rate, and build a batch of non-metallic mineral deep processing demonstration zones with near-zero emissions of tailings .

Focusing on advanced minerals such as graphite, bentonite, kaolin, diatomaceous earth and mica, we will vigorously promote new technologies and new products and cultivate 20 mineral functional materials industry demonstration bases .

In October 2017, the Ministry of Industry and Information Technology issued the “ Guidelines for the Development of Key Industrial Technologies (2017) ”, which proposed 174 key industrial common technologies that have important impacts on the industry and bottlenecks, and which need to be resolved in the short term and can achieve breakthroughs. The metal mining industry has the following seven items:

(1) Non-metallic mineral mining and deep processing technology and equipment

Main technical content:

• Large-scale, mechanized, intelligent, specialized mining, processing technology and equipment;

• Selective crushing and grading dry purification technology;

• Non-metallic ore "near zero tailings" processing and utilization technology;

• Large-scale tailings scale high-end utilization technology;

• Mineral processing and purification of low grade and associated minerals and product application technology;

• Mineral homogenization, mineral material structure and crystal design techniques;

• Technologies such as mineral purification, modification, and multi-mineral functional compounding;

• Atmospheric controllable calcination process and equipment;

• Superconducting magnetic, microwave activation, photoelectric selection application technology;

• Ultra-fine pulverization and classification technology based on mineral structure.

(2) Deep processing technology of mineral functional materials for industrial wastewater treatment

Main technical content:

• Modification and modification technology of mineral functional materials such as bentonite;

• Techniques for increasing the specific surface area of ​​mineral functional materials and adjusting surface charge;

• Application technology of mineral functional materials in industrial wastewater treatment.

(3) Preparation technology of new inorganic non-metallic materials for purifying air filter materials

Main technical content:

• Selection, purification and processing technology of sepiolite and attapulgite with adsorption properties, materials such as tourmaline, rare earth minerals and nano silica;

• Suitable for the selection of binders;

• Formulation and formulation process of the coating slurry;

• a composite process of coating a slurry with a PET fiber layer;

• New inorganic non-metallic purification air filter material forming process.

(4) Sustainable preparation technology of quartz glass

Main technical content:

• High quality quartz mineral development technology;

• High purity quartz raw material purification technology;

• High-purity quartz raw material particle size grading and morphology, and melting process (electrofusion and gasification, etc.) adaptability technology;

• Comprehensive utilization technology for non-chlorinated raw materials for high performance quartz glass;

• High performance quartz glass rapid deposition equipment and deposition technology;

• High performance quartz glass stabilization treatment technology;

• Preparation technology for high performance doped quartz glass.

(5) Finishing, surface modification and application technology of wollastonite ore fiber

Main technical content:

• Wollastonite ore selection technology;

• Wollastonite ore finishing technology;

• Wollastonite mineral fiber surface modification technology;

• Wollastonite mineral fiber as a functional reinforcement material in the plastics, rubber, paper and other industries;

• Wollastonite is used as a substitute for short fiber asbestos in construction materials, insulator materials, friction materials and other fields;

• Wollastonite as a white pigment application technology;

• Comprehensive utilization technology of wollastonite tailings;

• Wollastonite is used as a soil conditioner.

(6) Key technologies for efficient material utilization of typical non-metallic tailings resources

Main technical content:

• High-efficiency separation and extraction technology of typical non-metallic tailings such as graphite and kaolin;

• Mineral dry-wet method super-segmentation technology;

• A variety of mineral modification composite technology;

• Energy efficient dehydration drying technology;

• Low temperature calcination activation technology;

• Tailings materialization preparation technology.

(7) High-precision synthetic diamond and cubic boron nitride material production technology

Main technical content:

• Six-sided top press large-scale technology;

• Synthetic process measurement and control precision technology;

• Large particle single crystal and nano powder functional application technology;

• Crystal purification and activation technology;

• Improve techniques such as quality stability.

In general, China is a large mineral resource country with a special functional effect and abundant mineral resources that can be used to prepare functional materials. Cultivate and strengthen mineral functional materials, develop advanced applicable technologies and equipment, improve the exploitation rate of non-metallic mineral resources, mineral recovery rate and comprehensive utilization rate, and promote the cross-border integration of upstream and downstream of the industrial chain by strengthening the synergy effect between demand traction and innovation. Currently the most desirable road to industrial development.