Drying process

Ikeuchi provides a number of solutions for the drying process in the paper and pulp industry

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Paper and Pulp – Drying process

Paper drying process

The drying process in paper making is an important stage in the production of paper. The drying process reduces the moisture content of the paper web after it has been formed and pressed. The drying process also ensures that the paper attains the desired physical properties and quality for its intended use.

Highlights

Enhance the paper drying process with wear resistant spraying equipment

Pre-drying

The pre-drying process of paper, often referred to as the “wet end” of the papermaking process, involves several stages that prepare the paper web for the actual drying phase. In this phase, the paper is sprayed with a lubricant to ensure that the friction between the paper and the rolls is reduced. The BIM series nozzles are recommended for this particular task thanks to their fine fog flat or hollow cone spray pattern.

Size-press

After the pre-drying section, the paper is transferred in the size press where nozzles are spraying starch onto the wet web of paper. This process is required to enhance the binding of the paper fibers, making it stronger and durable. The nozzles that can assist with the spraying of starch are our AP and VP-series.

Dryer-canvas

After the size-press, the paper is transferred to the dryer canvas. Its primary function is to support the paper web as it passes through the drying cylinders, ensuring efficient and even drying while maintaining the quality and integrity of the paper. Within this section a series of nozzles is requested to be installed to ensure that the dryer canvas is kept clean. The BIM header nozzles are suitable for this type of operation, as they provide a uniform distribution. Moreover, the volume of spray can be controlled, which assist in reducing the amount of utilized spray. The paper is then transported to the drying section.

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We provide a guarantee for all hydraulic nozzles’ spray capacity and spray angle regarding the accuracy of +/- 5% and 5° at the time of installation