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When the air content of the water system rises, the level of the slurry tank will fluctuate up and down, which will cause the flushing tank to have no overflow and sometimes a large overflow. This unstable overflow fluctuation is particularly easy to carry a large amount of air into the slurry water system and improve The air content of the slurry brings a series of chain reactions such as running failure, retention efficiency and dehydration efficiency, paper bubbles or perforations, reduced speed of production, reduced production efficiency, increased defoaming agent dosage (even affecting the sizing effect, increasing chemical cost). . Generally, the control logic of the level of the slurry tank is as follows: the operation and quality problems caused by the unstable liquid level of the slurry tank, the quantitative determination of the paper along the MD direction, the thickness, the moisture fluctuation, the two dilutions of the slurry tank at the water leg, the slurry concentration Dilute from about 3% to about 5-1%, white water increases the overall flow by 3-6 times, so the fluctuation of white water level will be very obvious in the final slurry concentration, concentration fluctuation will inevitably cause the slurry along the MD The difference in direction, thickness, moisture, and various paper strengths. Laser laser film self-adhesive label Multi-color product label universal label paper, suitable for high-standard information labels for stationery and decorations. The slag remover concentration and the recoil effect are poor. The rinsing tank often provides the concentrated water and backflushing of the slag remover. For example, if the booster pump is equipped, the liquid level fluctuation will affect the slag removal. The concentration of the device (when the slag separation effect is deteriorated at ≥1%) and the recoil effect (the backlash is caused by the tail slag blocking or the fiber recovery efficiency is lowered). Cause white water and clean water waste When the liquid level of the slurry tank drops, it is necessary to increase the amount of supplementary water (usually clear water). When the liquid level of the slurry tank is too high, the excess overflow of white water passes through the net white pool, multiple discs, and clear filtrate. Pool, clean water tower, and finally overflow into the trench. Touch the positive Mao Zedong head, the national emblem, the name of the “People’s Bank of Chinaâ€, the decorative group flower, the denomination number, the braille denomination mark, and touch the main scene pattern on the back. If it is a real banknote, you will feel a special kind. The familiar bump feels gently across the fingers, like touching the relief, and touching the silk, giving a sense of security and solidity, and of course full of happiness. It doesn't matter, continue to reduce the number of stacking layers. When I finally piled up to the third floor, Zengmenxiu began to use the stretch film to lay the foundation. This time, the carton was finally fixed. If the machine feed and positioning mechanism is improperly adjusted or maintained, it is easy to cause errors in the paper and corrugated board. At present, the main scenes of the front and back of the world's banknotes, such as figures, landscapes, buildings, artifacts, etc., are mostly printed with the unique engraved gravure inks printed in the field of printing. The principle of a common hot air system is shown in Figure 1. The contact position of the paper-coated steel strip on the opposite side of the paper is not suitable or the gap is too large, which does not play a role in slowing the inertial force of the cardboard during high-speed movement. Faced with this problem, Xie Donglin, manager of Dongguan Zenglong Carton Co., Ltd., after more than a month of scrutiny, came up with a clever way to pack with stretch film. After the purchase of new machines, if the factory's own technical conditions are limited, and the production operators cannot be trained by themselves, the equipment supplier should be sent to the technicians to train the equipment operators to ensure that the machines can be used correctly and function properly after purchase. The front gauge on the upper/lower chain appears loose, causing an impact on the paper edge during paper feeding. Be flat on uneven, curled cardboard. Furthermore, the carton wrapped around the film can also protect against moisture in rainy weather. When you receive a RMB, if you do not have a money detector at hand, what to do if you determine the authenticity. In addition, the transparent nature of the stretch film is also conducive to the recognition of the carton style. In this regard, the gap of the upper/lower rolling rolls should be adjusted to match the thickness of the cardboard to be applied, so that the pressure of the paperboard is moderate, so as to prevent the problem of quality problems of foaming, degumming or corrugation. In the mid-eighteenth century, the Austrian bank tried to make banknotes with a harder and more wear-resistant steel gravure.
So Minera applied the coloring material on the engraving plate, wiped off the color of the non-recessed part of the plate, and then applied the paper with heavy pressure to transfer the color material in the groove to the paper, which was beautiful and unique. The prints have a special bumpy feel and the anti-counterfeiting effect is obvious, which greatly inspires the printing of banknotes. Of course, in addition to the concave and convex texture, the bright colors formed by the bumps and the lines, and the beautiful patterns, also add a special beauty to the banknotes. Moreover, the tapered working area is optimized, and the new nozzle reduces the "Coanda effect" of the airflow, so that more airflow "impacts" the paper web, increases the heat and moisture exchange efficiency, and improves the drying efficiency.
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