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Among the main features of quality Tissue paper there are certainly a high bulkiness and softness. How can this be achieved by using a conventional configuration with a single press nip and, at the same time, decrease energy consumption? The answer is our A.Celli X-Roll solution.

The demands of the Tissue industry

Tissue paper producers all over the world are constantly looking for solutions that allow them to offer high quality products without possibly increasing production costs, among which those linked to energy consumption certainly stand out. In fact, as highlighted in the previous article about water management in a Tissue plant, we recall that the final evaporation eliminates a relatively small part of the total water present in the fibers, but involves a considerable waste of thermal energy supplied by steam boilers (for the operation of the Yankee Dryer) and by an aerothermal system.

With this in mind, a series of studies conducted on pilot lines led to the conclusion that the key to obtaining the best results in terms of bulk without negatively affecting consumption could be represented not so much by the pressing phase that takes place in the nip between the suction press roll and the Yankee Dryer, but from the previous pre-drying phase carried out by means of the suction sector of the press roll itself located immediately before the nip.

The results of the studies described above show, in fact, that a significant impact on the output of the production process is due to the degree of dryness of the felt and, therefore, by the ability of the latter to absorb water from the Tissue paper. Starting from this, A.Celli has developed a solution to optimize the configuration with a single press nip in order to obtain Tissue paper of equal quality and, at the same time, a reduction in energy consumption associated with the drying area.

Conventional configuration with a single press nip

Let's analyze the operation of a conventional Tissue machine with a single press:

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In this case, the pressing that takes place in the nip formed by the suction press roll and the Yankee Dryer will be contextual to the action of the vacuum sector inside the suction press roll itself. The latter consists of a perforated cylinder equipped with a metal shell and covered in synthetic material, and the holes have the task of retaining the water drained by the pressing action. Inside the shell there is a suction box whose task is to create a depression inside the press itself by connecting to a vacuum pump, thus sucking the air present in the holes in order to allow the water to be housed inside them. This water will then be extracted by centrifugation as soon as the effect of the vacuum itself disappears..

In this configuration it is also possible to use a steam box, positioned in correspondence with the suction press roll and just before the nip, whose purpose is to increase the water temperature and therefore decrease its viscosity. In this way, during the pressing phase the water is able to flow better into the felt and into the holes of the suction press roll.

However, the positioning of the steam box is not optimized from the point of view of efficiency as it acts in a point where the Tissue paper still has a high amount of water. In addition to this, the case thus positioned is subject to clogging due to the fiber fragments expelled by centrifugal force from the felt during the passage on the suction press roll. The consequence is that these fragments, once the steam box is activated, will be thrown at high speed against the Tissue paper, causing breakages.

A.Celli X-Roll 

As we have said, A.Celli X-Roll's goal is to combine the quality of Tissue paper obtainable using the traditional configuration with a lower total energy consumption.

To achieve this result, the goal was to ensure a high degree of dryness of the felt before the pressing phase, so as to reduce the power to be supplied in the drying section during the subsequent evaporation phase. While the conventional configuration first envisages the combined action of the steam box and the vacuum followed by the action exerted by the nip, A.Celli X-Roll uses in succession a suction roll, a steam box and a blind press:

  • In the first place we will have the action of vacuum by means of the suction roll. By doing so, a part of water will be eliminated, thus increasing the degree of dryness of the felt before the next two phases.
  • In this way the steam box, positioned between the suction roll and the press nip, and a flat vacuum box will act in a point where the felt has already been partially dried by the previous process, increasing the temperature of the sheet more efficiently and eliminating the risk of clogging of the steam box itself.
  • Finally, the action of the nip between the Yankee Dryer and the blind press will ensure that the sheet proceeds towards the evaporation area of the Tissue machine with a high degree of dryness and with the same bulkiness obtainable using a conventional configuration.

In terms of energy savings, we were able to detect, from tests performed on a pilot line, that the A.Celli X-Roll solution leads to a 4% increase in the degree of dryness of the paper exiting the pressing process compared to the conventional configuration,which translates into an energy saving of over 16% in the drying phase.

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Aktül Kağıt is a company that produces tissue paper from 100% virgin wood pulp, managing Private Label products for the main local and foreign chains. It also supplies high quality jumbo rolls for numerous converting facilities, located both in Turkey and abroad.

The collaboration between A.Celli Paper and Aktül Kağıt started at the beginning of September since the Turkish company was looking for a customizable, plug-and-play cutting solution, perfectly adaptable and compatible with any standard rewinding system or complete tissue line.

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To meet the needs and requirements of the Tissue producer, A.Celli Paper showed its E-WIND® T80S solution: a latest generation, modular and fully automated rewinder, running at 1.000 mpm, with built-in electrical cabinets and capable of managing products that involve a specific volume, diameter and cutting format while also guaranteeing extra capacity during production peaks.

To confirm the great versatility of the machine, suffice it to say that it only took our customer 2 weeks to start up the machine, from the date of arrival of the shipment to the day the rewinder started to process paper. Moreover, in addition to this extraordinary record, with an additional week we were also able to reach the guaranteed contractual productions.

Thanks to this supply A.Celli Paper has offered its customer a considerable leap in quality built on three pillars: the minimization of installation times; cost containment and the achievement of long-term performance.

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How to keep the performance of your machinery at design levels thanks to the A.Celli original spare parts supply service.

Why is it important to rely on A.Celli for the supply of original spare parts?

First of all, it is important to emphasize the importance of relying on original spare parts over aftermarket ones. If it is true that by purchasing the latter you could find yourself incurring a lower expense in the very short term, it is also true that these parts cannot guarantee the achievement and maintenance of the machine design performance, with a consequent potential loss of productivity and therefore profitability in the long run.

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By contacting A.Celli for spare parts you can also take advantage of the precious know-how of our technical office for customization operations. In this way you will have the certainty that the spare part in question is studied and designed specifically for your machinery, according to your production needs and the characteristics of the finished product you want to obtain.

Thanks to the preparation and experience of the A.Celli design department we will be able to recommend the most suitable spare part for your needs by managing the entire process for you, from the search for new suppliers on your request to the installation, thus guaranteeing the achievement of an optimal final result and in line with the performance of a machine that has just come off the production line.

Which services I have access to by purchasing original spare parts ?

The purchase of original spare parts through A.Celli allows the access to a series of exclusive services. First of all, we can offer you a guaranteed 24/7 assistance service by our specialized technicians. Thanks to their experience in the field of spare parts and the machines on which they are installed, they will be able to solve any type of problem quickly and efficiently, guaranteeing an excellent final result and minimizing any downtime.

Always with a view to reducing downtime, our warehouse will always be supplied with spare parts considered critical for the various machines, in order to be able to ship the original spare part as quickly as possible.

And finally, before shipment, we will carry out a quality control of the requested piece by qualified inspectors.

How can I get my Original Spare Parts List?

When purchasing a new machine or an upgrade for an existing machine, the back office of the A.Celli Customer Care department will undertake to provide you with a list of original spare parts in order of criticality.

Furthermore, through the service offered by the My Spare portal (always included with the purchase of a new machine or an upgrade) you will be able to view on screen the 3D rendering of your machinery and individual components, such as commercial and customized spare parts.

Would you like to know more? Contact the A.Celli Customer Service now for a consultation!

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We are pleased to learn that in the 2020-2021 edition of the "Directory of Tissue Paper & Disposable Products" published by China Paper Association, A.Celli Paper SpA is among the top three suppliers of Tissue Machines with Crescent Former for the Chinese market in the 1988-2019 period.

The introduction of this type of technologically advanced production lines has considerably increased production capacity in the Chinese tissue paper industry.

According to the China Paper Association study, by the end of 2019, 175 new Tissue Machines equipped with the Crescent Former technology were imported and started up in China for a total capacity of 7.006 million tons per year.

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A.Celli Tissue Machines have always based the formation of the tissue sheet on this technology, which involves the bonding of wire and felt immediately downstream of the headbox. This technique favors the separation of water from the fiber, ensuring a high quality product characterized by its softness and favoring substantial savings in terms of energy and materials.

A.Celli Paper currently has several projects underway in China for double format Tissue Machines, some of which are requested with Shoe Press, as well as several Tissue Rewinders.

The Shoe Press is also a device, placed immediately before the Yankee Dryer, able to greatly increase the removal of moisture, with the double advantage of reducing energy consumption, necessary during the drying phase, and the possibility of obtaining papers of excellent quality with greater thickness, and therefore softer.

A.Celli Paper is pleased to support its customers in choosing the products that best suit their needs, in an atmosphere of professionalism and a deep spirit of partnership.

Contact us for further information: our sales department will be happy to give you all the detailed information!

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Papermaking, is one of the main business of Shanying Huazhong Paper Industry Co., Ltd and enjoys certain popularity and influence in the industry.

The company introduced their papermaking production equipment for the domestic and international market in order to build an industrial packaging paper production base with waste paper as raw material.

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At the beginning of 2019 Shanying Huazhong Paper Industry Co., Ltd entrusted A.Celli Paper with the supply of two latest generation E-WIND® P100 rewinders for the mill located in Jingzhou District, China. During September 2020, Shanying Huazhong Paper officially completed the commissioning and start-up of the machineries and this event is certainly a reason for success, in connection with the next contractual steps.

The E-WIND® P100 Paper Rewinders, highly developed in terms of design, have a paper width of 7960 mm, they guarantee a maximum production speed of 2500 mpm (design speed) and they are able to accommodate large reels on the unwinder with diameters up to 3800 mm and a weight of about 65 t.

The machines will allow the Chinese group to process high-quality flat-paper and Test-Liner paper of the lowest grammage (from 50 to 110 gsm).

With this supply, A.Celli Paper offers its customer a considerable qualitative leap aimed at important and ambitious production goals, in the spirit of partnership, in an extremely demanding market such as the Chinese paper one.

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The Turkish Tissue producer chooses A.Celli Paper for its new investment

Aktül Kağıt is a company that produces one of the softest toilet paper and most absorbent paper towel in Turkey with eco-friendly production practices. Aktül Kağıt started to produce tissue paper from 100% virgin wood pulp in September 2011. Currently it produces private label products for leading local and abroad chains markets and also supply quality jumbo rolls for many converting facilities, located both in Turkey and abroad.

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So it is with extreme satisfaction that A.Celli Paper S.p.A. announces the start of a precious collaboration with Aktül Kağıt through the agreement for the supply of a latest-generation E-WIND® T80S rewinder for the production of tissue.

A.Celli Paper E-WIND® T80S is a modular and fully automated rewinder, running at 1000 mpm, with built-in electrical cabinets and capable of managing products that involve a specific volume, diameter and cutting format while also guaranteeing extra capacity during production peaks.

It is customisable, plug-and-play, perfectly adaptable and compatible with any standard rewinding system or complete line in the tissue sector.

Yet another confirmation for A.Celli Paper technology which is even more present and able to meet the needs of different customers, responding promptly and flexibly to the variegate production variables.

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A.Celli Paper Spa, a company specializing in technological solutions for the manufacturing of Tissue plants and winders but with an ever-increasing presence in all sectors of the paper industry, announces the appointment of Valter Canelli as the new Sales Director.

After graduating in Mechanical Engineering at the Polytechnic University of Turin, Valter grows professionally in Beloit where he holds various professional positions ranging from the design, research and development of new products and applications, up to consolidating his role as Sales Director of PMT in Pinerolo. In his thirty years of experience he has gained countless international experiences in the paper industry both from a technical and a commercial point of view.

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"It is a source of great pride for me to start this new phase in my professional career by joining a company that, for almost a century now, has been a real reference point in the paper industry" – says Valter Canelli, a few weeks after joining the company – “Despite the difficulties related to the current health emergency situation, I see great potential and as many development opportunities for an historic Italian company. I am sure that, thanks to the dynamism of A.Celli Paper, we will be able to strengthen and extend our presence as a strategic partner for paper producers"

The entire team of the A.Celli group wishes Valter a "welcome aboard" with a view to important goals to be achieved together.

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Friday, 04 September 2020 12:55

A.CELLI PAPER ACQUIRES PMT ITALIA

With this operation, A.Celli Paper acquires the intellectual property of the historic Piedmontese company, becoming the main player in the sector, lead by a 100% Italian ownership.

A.CELLI PAPER SPA, main affiliate of ITALIA TECHNOLOGY ALLIANCE group, announces the acquisition of PMT ITALIA - PAPER MACHINERY TECHNOLOGY, a company operating in the production of machinery for tissue and paper industry.

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PMT ITALIA, based in Pinerolo, was born in 2000 but shares a long tradition of expertise and success as former subsidiary of Beloit Corporation. It was in fact, for over 50 years, the main European headquarters of the American group with the name of Beloit Italia. Thanks to its consolidated know-how and skills, PMT ITALIA has successfully operated in the tissue and paper market for a further twenty years.

With the entry of A.CELLI PAPER SPA, PMT ITALIA’s range of products will get fresh impetus through synergies with the organization and know-how of A.CELLI PAPER SPA. The specific and cutting edge technologies developed in the field of packaging papers, cardboard, printing, will be available for the group worldwide customers, and the Customer Service division will be restructured and strengthened as well, in order to guarantee continuity and reliability to customers operating with ex-Beloit / PMT ITALIA machineries.

«With this operation, carried out in a period of general uncertainty, we want to demonstrate the desire to guarantee cutting-edge technologies and timely assistance for Italian and foreign companies operating in the strategic sector of paper and tissue.» states Mauro Celli, shareholder of ITALIA TECHNOLOGY ALLIANCE «Maintaining this heritage in Italy is an important step that will bring benefit to the entire paper supply chain, including the district of Lucca.»

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The over ten-year collaboration between the two companies continues after the three A.Celli rewinders purchased for the Xiaogan plant at the beginning of the year.

The Asian Pulp and Paper (APP) Group, one of the largest and most important companies in the world as regards the production of paper, tissue and packaging materials, has signed the purchase contract for three A.Celli E-WIND® tissue rewinders T200S shaftless for the Gold Hongye Paper production plant located in Nantong, in the Chinese province of Jiangsu.

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The supply will be used to process mother rolls with diameter of 3000 mm and a paper width of 5.6 m, with basis weights varying from 10.5 to 45 gsm, and with a maximum operating speed of 1100 mpm. Particularly noteworthy is that two of the rewinders are equipped with unwinders with the addition of the calender as an optional.

After the purchase of three E-WIND® T-200S for the Chinese factory located in Xiaogan and the order for the tissue rewinders supplied in 2017 to APP Indonesia, this last agreement definitively confirms the customer's trust and satisfaction with the solutions and services provided by A.Celli Paper and A.Celli Shanghai.

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One of the most critical parts of the paper and tissue production line is the slitter rewinder, a machine that has traditionally required direct operator contact in order to manually set the knives and operate the core handling system.

However, companies often use obsolete systems that are unable to maximize production and are not equipped with adequate safety features. One company that discovered the benefits of the said upgrade was Kimberly-Clark Professional Malaysia. Thanks to this, they achieved a significant reduction in downtime, as well as greater safety and productivity. Here is their story.

Kimberly-Clark Professional Malaysia’s paper slitter rewinder upgrade

Kimberly-Clark Professional Malaysia is a leading producer of leading-edge hygiene and cleaning solutions for the workplace and washrooms, such as facial and toilet tissue, paper towel, napkins, wipes, skincare and sanitizers, under brands like Kleenex® and Scott®.

One area of the plant that Kimberly-Clark specifically wanted to work on was the slitting section of their slitter rewinder. The company wanted to achieve certain results; among these, the most critical ones were:

  • The improvement of cut precision and knife quality 
  • The reduction of maintenance time of the slitting section
  • The reduction of the cycle time of the core handling system
  • The improvement of the slitting section operators’ safety and the reduction of the hazards around the shaft puller 

Case study slitter rewinder upgrade KCC

After setting these goals, Kimberly-Clark contacted A.Celli to inquire about a new slitting system, and we were more than happy to provide a technical consultation to further understand their specific needs.

The project and the final results

After the aforementioned assessment, A.Celli’s proposal was to perform a technological upgrade consisting of the most up-to-date knife holders with top of the line material blades and a faster and easier blocking system.

Another significant part of the supply was the new semi-automatic cantilever shaft-puller, which replaced their old manual steel rope shaft-puller. Our solution operates by extracting the expandable reel spool from the jumbo roll and placing it into the core located on the V platform. This is done by a single operator, who uses the mill air pressure hose to manually inflate/deflate the expandable reel spool, eliminating the need to touch the roll or the reel spool.

Once the new paper slitting system was up and running, Kimberly-Clark saw immediate results, which included:

  • Better cut quality, particularly on the edges of the finished reels
  • Longer blade life
  • Easier knife holder dismantling and reassembly
  • Significantly quicker core handling and shaft puller cycle time
  • Significantly reduced need for manual operations
  • Increased operators’ safety

A.Celli’s configurations for the slitter rewinder upgrade 

When it comes to upgrading the slitter rewinder, A.Celli is the best choice. By relying on us, in fact, you have the possibility to choose from four different configurations:

  1. Manual positioning
  2. Manual positioning with a measuring device
  3. Automatic positioning web out (SLITTOMATIC®)
  4. Automatic positioning web in (SLITTOMATIC®)

Kimberly-Clark is just one example of what can happen when a company choose our upgrades. 

The end result, that is, a superior product manufactured in less time and higher productivity, will ultimately increase a company’s bottom line. Add to this an increased operator satisfaction and the slitter rewinder upgrade is well worth the investment.

If you want  to know more, contact us today for a free and non-binding consultation!

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