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VSHM series new ring roller mill is developed by Dongguan Vsunny Machinery Co., Ltd. drawing on the same type of ring roller mills at home and abroad, in combination with its practical problems encountered in using this type of flour mill to process powder. It is ring roller mill equipment which is characterized by more practical, greater yield, and longer life of wear parts. Without the drying system, it can grind all kinds of qualified non-metallic mineral powder materials with moisture less than 8%.
The series of ring roller mill can process marble, calcite, gypsum, barite, talc, pyrophyllite, kaolin, bentonite, illite, vermiculite, sepiolite, potassium ore and other minerals. The fineness of finished powder is between 600 and 3000 meshes.
Ring roller mills crush materials by impact, extrusion and grinding. There is plenty of moving clearance between the grinding roller mounted on the turntable and the axis pin. When the turntable revolves round the main shaft, the grinding roller will be stretched out to the grinding ring by centrifugal force, and press the grinding ring inner wall and rotate round the axis pin. Through the clearance between the grinding roller and the grinding ring, the material will crushed by the impact, extrusion and grinding of the grinding roller. The material is ground by the first layer of the grinding roller and grinding ring, then will fall into the second layer of the grinding roller be ground again as per the same principle, followed by the third and fourth layers. After the material is ground by the grinding roller in the last layer, it will fall onto the turntable under gravity and stretched out to the lowermost milling equipment, and brought to the interlayer between the inner and outer walls of the cylinder by negative pressure airstream, and once again rise to the top air classification system for separation. Qualified fine powder will pass through the classifier and enter into the pulse dust collector; coarse materials will be directly knocked to the grinding table and resettle in the pulverizing room for pulverization. The turntable is distributed in multiple layers. Thus, the material is sufficiently crushed to reach the desired fineness.
Technological advantages of new intelligent ring roller mill
1.Using the PLC-controlled thermostat system enables ground barite to dry without coal, which can save a large sum of drying costs, greatly save costs and increase profits.
2.As the constant temperature control system is used and process design is improved, our ring roller mill can flexibly add various additives to greatly enlarge the application range of powder.
3.Roller beads, pins and stents are made up of vertical mill casting materials; the working life extends from 11~18 days to around 35 days when the currently common ring roller mill is used to continuously grind barite powder (acid pickling mine) of 1800~2500 mesh. When wear-resistant parts reach the maximum actual production days, the control system will automatically prompt to replace wear-resistant parts, thus reducing maintenance time and increasing service life, and greatly improving the profit margins of the plant.
4.The casting technology that uses vertical mill casting reduces loss of our ring roller mill, and through the multi-channel iron removal device, the impurity content of the ground powder is decreased, and the ground powder whiteness is not reduced, which has changed the traditional shortcoming that "milling lowers whiteness" by common ring roller mills.
6.Touch-screen PLC control system is used, which can both real-time monitor the temperature, pressure, electric current and wind speed of various parts and make the operation more convenient, intuitive.
7.It is installed with a control system that automatically shuts down if there is no feed in thirty seconds, so ring roller mills will no longer produce large particles due to a sudden stop.
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Established in 2012, Dongguan Vsunny Machinery Co., Ltd. is a high-tech enterprise that has been engaging in research and development, design, manufacturing of ultrafine powder vertical roller mills, new ring roller mills, coarse powder vertical grinding mills, turbo air classifiers, activation modify and coating machines, feed extruders, automatic packaging machines and chemical additives.
The company is located in the economic center Changping Town in the east of Dongguan City in Guangdong Province. The plant area reaches 15,000 square meters. After many years of research and development, it has already earned more than ten patented technologies and assessed as the " Private Scientific And Technological Enterprise in Dongguan” by the Dongguan Municipal Government and in September 2015 it passed ISO9001: 2008, an international standard for quality management system. In March 2016, we also passed ISO14001:2004 environmental management system certification. At the same time, our company is the only business that can produce single and dual hydraulic vertical mills. Since its inception, under the business goal of “technology is changing the quality, excellence comes from professionalism”, our company has taken the lead in developing and designing a national brand for high-end vertical mill equipment.
We are focused on providing all types of powder manufacturers with a turnkey project comprising a whole set of ultrafine powder production lines, from crushing, transportation, grinding, classifying to the design, manufacturing, installation, commissioning, training of the whole plant equipment, as well as delivering excellent after-sales services and technical support. Because the production process is automatically controlled and has reached the international leading level, we have such advantages as more stable production lines, more environmentally friendly production environment and more exemplary product quality. In addition, we have a patch of experienced, high-quality technical and management talents with over 100 employees, of which technical personnel account for 80% and R&D personnel occupy 10%. Over the years, we continue to explore grinding areas, makes in-depth research of the most advanced grinding, classifying and modifying techniques home and abroad, insist on research and development and innovation, thereby forming a set of mature ultrafine powder production with independent intellectual property rights for vertical mill, classifying, modifying and activation processes and to be used in the production of ultrafine powder.
In order to better serve customers, our company set a vertical mill production line in Pinggui District, Hezhou City, Guangxi, with a full set of secondary and tertiary classifying systems and modifying machine production lines. We also possess MALVERN-2000 laser diffraction particle size analyzer which was imported from the UK, ore whole composition analyzer and a full set of imported equipment. Concurrently we are building a modern, multi-functional key laboratory in Changping, Dongguan, with the purpose of providing customers with on-site grinding experiments and testing experiments regarding calcium carbonate, talcum powder, barium sulfate, wollastonite, dolomite, waste ceramic tiles, and pyrophyllite, etc.
A variety of equipment we produce has been widely used in preparing various kinds of ultrafine powder in different fields, including marble, calcite, talc, barite, dolomite, kaolin, wollastonite, limestone, feldspar, mica, gypsum, pyrophyllite, ceramic, aluminum hydroxide and magnesium hydrate. Our products are well received by customers nationwide.
Based on China, Vsunny will strive to reach out to the world!