It is understood that pressure filtration was applied to chemical production in the early 18th century and is still widely used in chemical, pharmaceutical, metallurgy, dyestuff, food, brewing, ceramics, and environmental protection industries. In the development and evolution of filter presses, from manual filter presses to mechanical filter presses, to hydraulic pressure filter presses, to today's automatic hydraulic pressure filter press, the filter press industry to meet the needs of the market , Continuously applying modern technology and technology, improving the level of equipment automation, reducing the dependence of industrial equipment on people, and more adapting to the industrial design of human-friendly equipment.
As a solid and liquid separation equipment, compared with other solid-liquid separation equipment, the filter cake after filtration has higher solid content and excellent separation effect. The basic principle of solid-liquid separation is that the mixture flows through the filter media (filter cloth), the solids stay on the filter cloth, and gradually deposit on the filter cloth to form a filter cake. The filtrate penetrates the filter cloth and becomes a solid-free clear solution.
It is worth noting that the filter plate of the filter press will have different degrees of damage during the working process. In serious cases, even a groove mark will be formed on the surface of the filter plate, which will affect the working efficiency of the device and the formation of filter cake. Therefore, many manufacturers have already noticed improvement from this aspect.
At present, the domestic pharmaceutical industry has a greater market demand for specialized and automated pressure filtration equipment. As a general-purpose equipment, the filter press has played an important role in domestic industrial production, and it is believed that it can certainly meet the development of the pharmaceutical industry. .