Paint & Coatings Industry - March 2009 - (Page 46) Ink Production Plant Rebuilt lobe disc actively counteracts product flow using a “triple screw” effect. Because temperatures can rise significantly when grinding very viscous materials, like those used in the publication gravure process, the large cooling surfaces of the LME mill protect the integrity of the product. By keeping temperatures down, the materi- als’ properties are not altered. A dynamic cartridge media separator pre-classifies beads 0.1 mm to 5 mm and centrifuges them away from the screen. This prevents compaction of the beads, resulting in high power draw and therefore high product temperature, which can degrade the resin in the ink and change the pigment shade. The PSI mixer, an inline disperser, achieves homogeneous, fine dispersions using a controlled process. Netzsch was challenged to optimize the speed (rpm) of each PSI unit on each line to deal with the characteristic differences for each pigment. Black pigment, for instance, is hard to break down but easy to handle, while red is easier to process but difficult to handle. The combination of vacuum dispersing, shearing and pressure wetting proved successful, giving Sun excellent results and reproducible quality. Additionally, a vacuum feeding system eliminated emissions-related hazards. The system has very low dust emission, reduces solvent emissions and the waste of solvents. It is environmentally friendly because it degasses during mixing in a totally closed system. Doing so helps the plant meet the United Kingdom’s ATEX directives for workplace health and safety. But the vacuum system also provides a production advantage: it disperses agglomerates so that each particle is encapsulated. This improves efficiency and total throughput. Coatings Value Protection. Safeguard and enhance your polymer’s performance… and your brand value…with Kyowa Hakko intermediates. • Monomers Diacetone Acrylamide Adipic Dihydrazide • Diols 1,3-Butylene Glycol 2-Ethyl-1,3-Hexanediol 2-Butyl-2-Ethyl-1,3-Propanediol PD-9 (2,4-Diethyl-1,5-Pentanediol) • Squaric Acid • Synthetic Fatty Acids Isononanoic Acid 2-Ethylhexanoic Acid • Oxo Alcohols • Solvents Glycol Ethers Ketones Esters Concept to Power-Up in 48 Weeks With less than a year to have the plant up and running, Netzsch arrived at the site in October 2005 to supervise installation of the plant under CDM regulations. “We were on site for every hour of the construction to ensure that work was completed safely and on time,” said Scott Stephenson, Netzsch project manager. “We were responsible for the safety of up to 50 contractors working alongside each other.” The delivery and erection of the first mezzanine support steelwork occurred in stages that coincided with the arrival of 32 machines from the Netzsch production facility in Germany. Within eight weeks, steel was built around all of the Netzsch machinery. At the same time, pipe work and the tank farm phases of the construction were underway. The installation of 21 bulk storage tanks with capacities ranging from 65,000 liters to 120,000 liters in two bounded areas – one for raw, the other for finished goods – went successfully. By late December, the team completed positioning all major plant items and all materials necessary to complete the installation of the process plant, and ancillary services were on site. Within one month, workers installed internal pipe-work manifolds in sections, with the process valves, and erected interconnecting tank farm pipe work and supports. Kyowa Hakko U.S.A.,Inc. 767 Third Ave,19th Floor New York,NY 10017 Tel. 212-319-5353 Fax 212-421-1283 Kyowa Hakko Europe GmbH Am Wehrhahn 50, D-40211 Dusseldorf, Germany Tel : +49-(0)211-17545-0 Web-site : www.kyowa.eu Visit us on the Web at www.kyowa-usa.com Visit us at ECS - Hall 10, Stand 130 Visit ads.pcimag.com 46 MARCH 2009 | W W W . P C I M A G . C O M http://www.kyowa-usa.com http://www.kyowa.eu http://www.kyowa-usa.com http://ads.pcimag.com http://WWW.PCIMAG.COM
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