Looking at the development of filter press from history

        In China, everyone is not unfamiliar with the term “filter”. Why do you say that? In ancient times, when filtering medicine residues, gauze was used to cover the outlet of the medicine tank, and then the medicine was poured into a bowl, so that the medicine residues could be filtered. This is a simple filtering method. In ancient times, such as paper making, some filtering methods were also used. However, these are not filters, but simple filters. So, what is the history of the development of filters in China?

1. Modern upgraded filter
After the Opium War, with the investment of foreign machines, certain machines were also available in China, and the filter was one of them. How is the filter at this time? It already has a certain power, although it still needs manual assistance to roll (gravity filter) to separate objects, but the range it touches is increasing, and the power is also increasing. For older filters, it is a high-end filter. The filter at this time has now begun to have the characteristics of a modern filter.
2. Modern filters
After the founding of New China, following the recovery of China’s economy, the filter has also undergone new development, and its breakthrough development still began after the reform and opening up. With the continuous expansion of China’s industrial scope, filters have become accustomed to the development of the age and become diverse, with different shapes and different principles. Filters gradually show their own functions in different categories.
The above is the whole process of the development history of the filter. From ancient filters, to modern upgraded filters, to modern filters of all kinds, the development of filters reflects the changes in China’s productivity, and also allows us to learn more about the development of filters, and let us know more about filtration The machine has some assistance.
3. The ancient crude filter
In ancient times, due to the low level of productivity, the filter in the modern sense did not occur-it was just a simple filter. Why do you say that? This is because these utensils used for filtering are usually simplified manually, they cannot complete the entire filtering process by themselves, and are usually made up of several utensils. In addition, they can only be filtered manually, and these filters can only filter paper residue, medicine residue, etc., so they cannot be called “filters.”

Daoyang Co., Ltd. produces: vacuum filters, vacuum drum filters, drum vacuum filters, desulfurization vacuum filters, sulfur foam filters, folding belt drum vacuum filters and other products. The company has a scientific management system, Strong scientific and technological strength, complete equipment and perfect testing methods.

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