Pulp Paper & Logistics


HEIMBA 19CH ANDRITZ


The Atromaxx.M design combines monofilament base module with coarse batt modules – ideal for packaging


An internal view of the new press felt production facility


reviewed in order to adapt as required to changing demands of paper and board producers. The team also ensures that the correct product is always supplied to each individual application. The operation is completed by a team of sales and service professionals located throughout China and beyond to ensure that customer needs remain at the forefront of Heimbach’s activities, and that the solutions it provides come with a guarantee of success.


A line up of star products Atromaxx – multiaxial, diagonal, optimal: Atromaxx multi-axial felts are a core component of the Heimbach press felt portfolio. These designs are modular, combining various base weaves consisting of woven monofilament and plied yarns. In multi-axial technology, top and bottom modules are set up with different angles against each other and the resulting diagonal structure makes the felt effectively incompressible. Under the Atromaxx.M brand modules from individual, relatively thick, monofilaments are combined with coarse batt modules. This, together with extremely high resistance to compression, also provides a very high void volume and open de-


watering channels. Atromaxx.M designs are,


therefore, ideal for packaging paper production, says Heimbach. In addition to handling very high amounts of water, paper makers also struggle with impurities in the de-inked pulp, which later progressively appears as sticky contamination on the felts. Atromaxx.M in this case provides a double benefit; while the high void volume and open structure ensure maximum dewatering, contaminants can also be washed out very easily through the open structure or the felt kept clean more efficiently with the help of high-pressure showers. Secolink.F – strong: The addition


of Secolink.F to Heimbach’s Suzhou manufacturing portfolio is in response to growing demand for a dryer fabric that successfully combines and maximises the key characteristics of high surface contact, easy cleaning and high resistance to wear. A manufacturing process is used in which closely-packed, squared spirals are linked together by cross-machine yarns and this accounts for many of the attributes associated with Secolink.F. As the surface of the fabric consists only of flat spirals the contact area is enlarged (more than 50 per cent), flat and parallel, which gives freedom from marking, as well as even moisture removal. Furthermore, the spiral construction means that there are no knuckles in the fabric, which


helps Secolink.F to keep clean – and to stay clean. Life potential is extended due to higher wear volume and the absence of any difference between fabric body and seam, says Heimbach. Secolink.F is available in a range of permeabilities, either filled or unfilled.


With this expansion Heimbach has invested heavily in its commitment to the Chinese and wider Asian markets. In addition to capacity and quality, approximately 6 per cent of the total has been invested in environmental technologies, which reinforces a further commitment to the environment. Heat recovery systems and on-site effluent treatment are just two examples of Heimbach’s efforts for a cleaner and greener planet.


Secolink.F: An extended contact area and even permeability across the whole fabric increase drying efficiency


January/February 2018


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