The dilution water slurry box is the core component of paper machines, which is used to accurately control the quantitative distribution of paper webs and banners. It is a key equipment for the production of various types of paper in modern paper industry, and also has specific applications in a few non paper industry fields. Its application scenarios can be divided into two categories: core paper industry applications and expanded industrial field applications:
1、 Core applications in the papermaking industry
The dilution water slurry box, based on the innovative principle of concentration adjustment, has replaced the traditional lip adjustment method and can accurately control the quantitative deviation of paper and banner. It has been widely used in the production of different types of paper, including:
Cultural paper types: news paper, writing paper, lightweight coated paper, advanced overpressure paper, etc. These types of paper have high requirements for printing adaptability and surface uniformity. The dilution water slurry box can control the quantitative deviation of the banner within ± 10 g/m ² to avoid uneven ink color during printing.
Household paper: Thin paper (such as facial tissue and toilet paper), with low weight and thin thickness. The micrometer level precision adjustment of the dilution water jet box can ensure uniform thickness of the paper, improve softness and user experience.
Packaging paper: corrugated core paper, multi-layer cardboard, hanging cardboard, low weight and high-strength corrugated paper, etc. These types of paper have strict requirements for strength and structural uniformity. The full flow structure of the flow box can solve the problem of pulp decay, and at the same time, the compression and burst resistance of the cardboard can be improved through precise pulp distribution.
Different types of dilution water headboxes are also suitable for paper machines of different scales: for example, Allimand's FP headbox is mostly used for medium-sized specialty paper machines, while Metso's OptiFlo headbox is suitable for large high-speed paper machines, which can meet the large-scale production needs of newspapers, packaging paper, and other materials.
2、 Expanded industrial applications
In addition to papermaking, the mixing and concentration control characteristics of diluted water flow pulp boxes are also applied in a few non paper industry scenarios:
In the field of mining and metallurgy, it is used to transport slurry containing solid particles. The slurry concentration and viscosity are adjusted by diluting water to ensure the stability of slurry transportation, thereby improving the recovery rate of useful components in the beneficiation and smelting processes and reducing equipment wear.
In the field of chemical engineering, it is used for the transportation and mixing of various chemical slurries, controlling the concentration of slurries to ensure the uniformity of chemical reactions. It is suitable for the production process of slurry products such as coatings and adhesives, and improves product quality stability.

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