Wollastonite grinding mill adopts Raymond mill to produce wollastonite powder mesh in the range of 80-400 mesh, and HLMX ultra-fine vertical mill is usually used to produce ultra-fine wollastonite powder, such as 400 mesh wollastonite powder, 800 mesh Mesh wollastonite powder, 1250 mesh wollastonite powder and 2000 mesh wollastonite powder.
1. What are the advantages of using wollastonite in the paper industry
Wollastonite is a naturally occurring chain-mounted calcium metasilicate mineral. Pure wollastonite is bright white, and when mixed with other impurities, it is gray-gray brown. Naturally produced wollastonite is usually needle-shaped, radial, fibrous or plate-shaped, with a Mohs hardness of 4.5-5.5, a density of 2.75-3.10g/cm3, and a melting point of 1540°C. Wollastonite is ground into an ultrafine powder known as "mineral fiber". 1250 mesh wollastonite is used in papermaking as a paper-making filler, which can replace 25% to 35% of wood pulp, and the modified wollastonite can significantly reduce pulp consumption. To a large extent, it can save the addition of plant fibers, indirectly reduce the felling and utilization of forest resources, and has the functions of reducing production costs and maintaining ecological balance.
2. The application and development trend of wollastonite in papermaking
The reserves of wollastonite are very abundant, and the price is relatively cheap. At present, wollastonite is used to replace plant pulp in papermaking, and the realization of ore papermaking has been promoted one after another. Adding the original pulp of wollastonite ultrafine powder, the whiteness of the paper is higher, and it has better chemical and thermal stability. And in practical applications, it can take advantage of the characteristics of high flame retardancy, high electrical resistance and low dielectric constant, so as to improve its heat resistance and corrosion resistance.
In addition, wollastonite has good adsorption properties, which is beneficial to reduce suspended solids in water and effectively reduce the cost of white water treatment. The application in the paper industry presents a good development trend and fully improves the production quality of the paper industry.
3. Help wollastonite to be used in papermaking
The use of wollastonite in papermaking requires grinding wollastonite into ultra-fine powder below 1250 mesh to improve the activity of wollastonite. We have been committed to the grinding and utilization of wollastonite, and have made in-depth explorations in the fields of wollastonite papermaking, plastics, rubber, asbestos substitutes, paints and coatings, and continue to work hard for the country to save energy and realize green mines.
The HLMX ultra-fine vertical mill is a large-scale high-fine vertical mill developed by Guilin Hongcheng that is suitable for the development requirements of my country's non-metallic mineral industry. It breaks through the bottleneck of ultra-fine powder processing capacity and can replace imported equipment. Ideal equipment for large-scale production of limestone ultrafine powder. Manufactured with ingenuity, it has won high praise from customers and the market. The production capacity can achieve 1-50 tons of production. It is the best choice for the production of wollastonite ultrafine powder.
The wollastonite grinding mill chooses the HLMX ultra-fine vertical mill to increase production and efficiency. Welcome to leave a message for more details.