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Paper industry compressed air solutions

China's paper industry average production of one ton of paper needs to consume more than 500kg of standard coal, and the current energy consumption of vacuum pumps in the entire paper industry accounted for a very large proportion of the traditional water ring vacuum pumps with high energy consumption, and with the use of years of growth, the efficiency will also decline year by year. Therefore, the energy saving of vacuum pump is of great significance.

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2.24

million yuan

Save energy

36.36

Power saving rate

Industry information

The application of vacuum pumps in the process of pulp to finished paper is specified as follows

De-aeration system

Before the raw material enters the pulp mixing tank (headbox), the air in the raw material and the air in the dilution water is removed by the vacuum system.

Vacuum Filtration

Used to remove certain chemicals from the pulp, to recover lime sludge from the white water clarification process, and to filter non-combustible suspended particles from the “green liquor”.

Preheating material

Concentrates the black liquor produced during the cleaning process by vacuum evaporation for easy recycling.

Vacuum Dewatering

In the forming and press sections of the paper machine, the vacuum pump makes dewatering more effective by generating a vacuum to improve the dryness of the paper, which in turn affects the dewatering performance of the press section and the steam consumption of the drying section.

Vacuum Presses

The use of vacuum rolls or non-vacuum rolls to squeeze out moisture from the paper, while vacuum pulling can be used in the drawing process.

The process of textile air - jet loom

Solution

Xinlei technical team in-depth inspection of the customer site, the whole landing, fully understand the customer's actual use of the working conditions, according to the customer's production of gas volume customized program - respectively, with 3 sets of Xinlei magnetic levitation centrifugal vacuum pumps (XLMV300-40, XLMV400-55, XLMV400-60 each one) to replace the original 7 water ring vacuum pumps.