PAPERmaking! FROM THE PUBLISHERS OF PAPER TECHNOLOGY Volume 2, Number 1, 2016
PIGGING TECHNOLOGY FOR CHEMICAL TRANSFER
As technology provider for formulation industries such as lubricant and paint manufacturing, Cellier Activity of ABB France has developed pigging technology as a standard for the transfer of liquid raw materials and finished products. Considering that paper manufacturing could benefit from this technology in terms of production flexibility as well as reduction of operational costs and effluents, Cellier Activity now enhances its offer of chemical delivery systems with the pigging technology. The pigging technology consists in moving a scraper inside a pipe. The scraper, otherwise known as a pig, fits exactly the internal surface of the pipe in order to: x completely empty the pipe of all the liquid contents, x clean the pipe with a quantity of cleaning fluid transferred through the pipe between two scrapers, x transfer different fluids through the same pipe without cross-contamination. Implementing this technology leads to the reduction of the number of installed pipes by using the same line for both product transfer and product recovery and yields a reduction in the quantity of flushing water. In the paper industry it can be used for the transfer of liquid raw materials, slurries and coating colours over short or long distances. With more than forty years’ expe rience in various formulation industries, ABB offer a wide range of patented components enabling the design and supply of a pigging system adapted to your plant specifications and budget. Of sturdy construction and designed without retention zones, the pigging components are easy to install, operate and maintain.
Picture 1 – Two scrapers separating different fluids through the same pipe
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