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On the surface sizing of paper

The remaining reduced, but increased more breaking penetration. This is only a theoretical discussion. Because in normal operation, the negative CD is usually the same. Rubber and rubber weir depth of the absorption time of contact paper. Weir depth increases, the amount of coating increased. Low-speed paper machine,[link widoczny dla zalogowanych], coating arrangement to increase more significantly. Increase the weir deep, high-end department baffle to be added by the structure and roll diameter sizing press restrictions. If you leave the applied shear roller uneven tension when the sheet would lead to uneven migration within the starch in the paper. If the starch feed shortage and uneven, the coating weight on the uniform. In addition, the feed system must be properly designed to ensure easy feeding to avoid pipeline Peise. Page of paper machine speed directly affects the absorption of the region in the pressure of time. The greater the speed, the more starch liquid feed, thereby increasing local pressure to make the paper more starch fluid pressure. Therefore, the speed increases. Tu amount of change, and depends on a major factor. Table 1. T test capsule threads set Chao Tu ● Membership Committee】 cars 'speed of a fishery the total amount of suction applied wet Chong Wong mPalm/min1g: g / mg / = 2g / =' r1421OI7.53.50.921.918l8317.52.22 .021.733 l21017.50.3 '3 .621.4 '76 Abstract O17.50.09. O26.5 When the rate of new large-speed operation, the amount of wet coating howl with the absorption in the l-l9 mantis Zhejiang Paper \Pulp and paper mills in the cooking liquid in the application of paper mill Cheng Freeman, left, an overview of base station is a new mix of: c plant indigo blue dyestuff by-product, the main ingredient is potassium hydroxide (KOH), sodium hydroxide (NaOH), also mixed with other impurities, alkali concentration of 10 or so, the plant every day, a reduction in between. At some point, the hydraulic capacity as a major factor, and with the increase of speed, so the amount of wet coating has a minimum value. The minimum amount of coating depends on the speed when the number of factors, including viscosity and hope lake 3 kinds of paper. Speed is low, the amount of wet coating is mainly uptake. At this point Viscosity is low, wet or high-speed high volume, high Liao glue stick, coating thickness, coating volume. Apply a defined mechanism into the plastic sheet and wet Branch weir has a very small time difference. When the paper. Page moist, the absorption begins. Uptake depends on the absorption time (weir depth and speed),[link widoczny dla zalogowanych], Viscosity, and porous paper grades and internal sizing. Wetting time of absorption time, and with the sheet surface smoothness and dryness on the sheet. Within the compound weir,[link widoczny dla zalogowanych], when the roll sheet close to the sizing zone, hydraulic increases, the glue is pressed into the paper pores. Paper sheet is compressed air is squeezed out leaving. The pressure zone, sheet expansion, absorbing like a sponge glue. See paper porosity, permeability, and Viscosity of compression, as is to determine the absorption factor. When the paper web to leave the sizing rollers, the rollers and paper in the crevice formed between the surface of the liquid slag. The gap depends on paper and glue roller relative surface roughness. The more the surface roughness of the dog, the thicker coating. Thus, the surface roughness is also determined by ancestral sizing press nip thickness of lake 3 hope the important factor. 1998 4 \, ,20-30 tons of mixed base station discharged to the river discharge over the past secretly, or a few friends to sell a number of less demanding users, this is not only a waste of valuable resources, but also to make the river a few years seriously damaged the ecological and environmental pollution. However, the supply of paper mills has become tighter for caustic soda, in the pressure zone outlet, the liquid film between the roller and the paper is divided into two layers. Layer formation on paper coating, a layer away from the roll formed in the glue roller ring. In addition, the liquid layer, if the film is too thick, plastic coated paper will peel force in z under the action to become uneven. Viscosity big, big speed, pressure area load is small, the coating thickens, the situation becomes more serious. Shear viscosity of the sizing of the hydraulic press pressure of the role of great influence on the region. Viscosity, the greater the rotation of the weir in the pressure from the larger roll. Great speed,[link widoczny dla zalogowanych], the weir will occur within the glue beat, speed is too large, you may generate enough pressure to the glue spill weir. Therefore, the speed is large,[link widoczny dla zalogowanych], glue roller diameter should be large. Because the large diameter roller, the pressure zone sets rope slowly, slowly increase the pressure, rubber dam is easy and stable. Size Press Department of Culture there are many operational factors, some of which Pat is determined by equipment and operations. Of the mills, the master roll of paper into the glue to ensure that the selected pages of features and quality and performance of glue applied, you can get great benefits. References 1. Peterdeclerck. \\19912, Liu translation. \ More articles related to topics：

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[link widoczny dla zalogowanych]

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