Magnesium carbonate is a widely used inorganic compound available in light, heavy, and basic forms. It is extensively applied in food additives, pharmaceutical excipients, rubber fillers, cosmetic bases, high-end flame retardants, building materials, and other fields. Requirements for particle size distribution, purity, whiteness, and hygiene grade vary significantly across different applications. Meanwhile, magnesium carbonate’s tendency to form soft agglomerates, hygroscopic caking in certain grades, and thermal sensitivity (decomposition above 110°C) bring numerous challenges to the screening process.

With over 40 years of expertise in the screening industry, national-level "Little Giant Enterprise" certification, more than 500 national patents, and practical experience serving over 10,000 customers worldwide, GAOFU Machinery has developed customized vibrating screening solutions specifically for magnesium carbonate. These solutions accurately meet screening demands for magnesium carbonate of 80–800 mesh, balancing production capacity and product quality, acting as a reliable "quality gatekeeper" for customers across industries.

I. Core Pain Points in Magnesium Carbonate Screening — Solved Precisely by GAOFU

Due to differences in form and application scenarios, magnesium carbonate screening faces multiple industry challenges that severely restrict production efficiency and product qualification rates:

Frequent soft agglomeration and screen clogging: Both light and heavy magnesium carbonate easily form soft agglomerates that block screen openings and interrupt screening. Traditional equipment requires frequent shutdowns for cleaning, wasting time and labor.

Strict hygiene requirements: Food and pharmaceutical-grade magnesium carbonate demand extremely high standards for equipment material, contact surface finish, and dead-corner-free design to eliminate material contamination and residue.

Overlooked thermal sensitivity: Magnesium carbonate decomposes easily at temperatures exceeding 110°C, losing its original properties. Heat generated by high-speed operation in conventional screening equipment may damage material activity.

Dust pollution and moisture absorption risks: Open screening causes fine powder dispersion, polluting the environment and endangering operators. Meanwhile, materials readily absorb moisture from the air and cake, reducing product purity.

Insufficient particle classification accuracy: Varying fineness requirements across scenarios make it difficult for standard equipment to precisely control particle size distribution.

II. Core Equipment — Customized Units for All Types of Magnesium Carbonate Screening

Based on the different characteristics and application scenarios of magnesium carbonate, GAOFU has created dedicated screening equipment combinations, covering everything from basic grading to precision screening.

Hygienic Rotary Vibrating Screen — For Food & Pharmaceutical-Grade Magnesium Carbonate

Specially designed for food and pharmaceutical-grade magnesium carbonate, all material-contact parts are made of 304/316 stainless steel with mirror polishing, featuring no sanitary dead corners and easy cleaning and disinfection, fully complying with food-contact and pharmaceutical industry standards. Equipped with a bouncing ball anti-clogging device, the unit effectively breaks up soft agglomerates and prevents screen blockage. A low-energy vibration source controls operating heat to avoid thermal decomposition of materials, supporting stable and efficient screening of 80–325 mesh.

Ultrasonic Rotary Vibrating Screen — Core Equipment for Precision Classification

Designed for precision screening of pharmaceutical-grade and high-end flame-retardant magnesium carbonate, it integrates an intelligent ultrasonic cleaning system that removes adsorbed fine powder from the screen surface in real time via high-frequency vibration, completely solving soft agglomeration clogging. Screening accuracy is improved by 5% and can reach 99.9%, enabling precise control of particle size distribution. The modular design allows quick and efficient screen changes, greatly enhancing production flexibility for small-batch, high-precision screening.

Explosion-Proof Enclosed Linear Vibrating Screen — For Industrial-Grade High-Capacity Production

Suitable for high-capacity screening of industrial-grade magnesium carbonate in rubber, building materials, and other fields. Driven by dual motors, it provides strong and adjustable vibration force to meet different batch production needs. The fully enclosed structure with high-performance seals prevents dust leakage and material caking from moisture absorption. Certified to national explosion-proof standards (CNEX), it adapts to hazardous chemical workshop environments. A low-heat design ensures stable material performance, ideally suited for industrial screening of 200–400 mesh.

III. Four Core Technical Advantages — Building a Solid Line of Defense for Screening Quality

Anti-Agglomeration, Anti-Clogging & Low-Temperature Protection for Material Integrity

Dual solutions of bouncing ball anti-clogging and ultrasonic screen cleaning adapt to materials of different agglomeration levels, completely resolving screen blockage.

Low-energy vibration sources and optimized heat dissipation keep operating temperature ≤95°C, preventing thermal decomposition of magnesium carbonate and preserving material activity.

Hygienic-Grade Materials & Design for High-End Applications

304/316 stainless steel with mirror polishing ensures residue-free and easy cleaning, meeting strict hygiene standards in food and pharmaceutical industries.

Fully enclosed contact screening eliminates external contamination, safeguarding product purity and whiteness.

Precise Classification & Flexible Adaptation for Full-Scenario Coverage

Multi-level adjustable accuracy, optimized via vibration force and screen combinations, precisely matches particle size requirements across industries.

Modular design allows quick parameter adjustment based on material type (light/heavy/basic) and capacity needs, delivering strong versatility.

Explosion-Proof, Dust-Proof & Durable for Reduced Production Risks

Explosion-proof certification combined with fully enclosed structure suits chemical workshop environments, eliminating dust explosion and leakage risks while meeting environmental regulations.

Wear-resistant, corrosion-resistant materials and optimized structural design ensure low failure rates, long-term continuous operation, and reduced maintenance costs.

About GAOFU

Winning Customer Trust with Strength, Impressing Clients with Technology

Partial Client List (in no particular order):

Zhongtai Chemical, Wanhua Chemical, Yuntianhua, Kingfa Technology, Formosa Plastics, Pingmei Shenma, Kemai Co., Ltd., Luxi Chemical, Liby, Oriental Yuhong, CAGO Waterproof, Chenming Group, Guanhao High-Tech, Kaifei Chemical, Shangshun Chemical, Weilin Co., Ltd., Xuyang Group, Taishan Fiberglass, Hanguang Electronics (CSSC), AkzoNobel, Silberline, NICE, 3TREES, Maydos, Jianye Chemical, Bloomage Biotech, Jetion Holdings, Zhenao Biotech, Chenguang Biotech

Xinxiang GAOFU Machinery Co., Ltd. was originally founded in the 1980s. After more than 40 years of development, it has become a National-level Specialized, Sophisticated, Unique and New Little Giant Enterprise, a National-level Green Factory, a National-level High-Tech Enterprise, a National-level Intellectual Property Advantage Enterprise, and Chairman Unit of the China Vibration Engineering Society.

The company also hosts the Henan Provincial Industrial Design Center, the Henan Provincial Engineering Technology Research Center for Intelligent Online Screening Systems, and the Xinxiang Engineering Technology Research Center for Fine Screening. It has been granted over 500 invention, utility model, and design patents, received the Science and Technology Achievement Award issued by the Ministry of Industry and Information Technology, and participated in the drafting and formulation of 4 national standards.

GAOFU’s product range covers hundreds of models across multiple series: vibrating screening equipment, conveying equipment, coal crushing equipment, filtering equipment, and automated material handling systems. Core products include vibrating screens, rotary vibrating screens, ultrasonic vibrating screens, linear screens, air flow sieves, gyratory screens, roller screens, dewatering screens, bar screens, vacuum conveyors, dust-free feeding stations, jumbo bag unloading stations, feeding systems, automatic powder feeding systems, automatic residue discharge filters, leaf filters, earth filters, toothed roll crushers, and coal crushers.

These products are widely used in food, pharmaceutical, chemical, metallurgical, building materials, mining, thermal power, environmental protection, and other industries, earning the trust and praise of more than 10,000 customers worldwide.

Upholding the mission of “Enhancing material quality and efficiency to meet customer needs”, the company grows alongside clients for win-win cooperation. GAOFU is currently an approved supplier to many Fortune Global 500 enterprises, including CNPC, Sinopec, Sinochem Group, China Resources Group, Sinopharm Group, COFCO, China National Building Material Group, China Aerospace Science and Technology Corporation, and Jinchuan Group.