Capsule pipeline pneumatic

Pipelines to transport soHds are called freight pipelines, of which three different types exist pneumatic pipelines, the use of which is known as pneumotransport or pneumatic conveying slurry pipelines, which may also be called hydrotransport or hydrauHc conveying and capsule pipelines. When air or inert gas is used to move the soHds in the pipeline, the system is called a pneumatic pipeline and often involves a wheeled vehicle inside the pipeline, propelled by air moving through the pipe (25). Slurry pipelines involve the transport of soHd particles suspended in water or another inert Hquid. HydrauHc capsule pipelines transport soHd material within cylindrical containers, using water flow through the pipeline for propulsion. 

With annually increasing volumes of various fossil fuels to be handled and/or transported an interest arises in the new economical and operationally safe kinds of transport, including the pipeline one. Preliminary investigation has shown that application of a special kind of pipeline installations can be very useful for solving the problem to supply different countries by fossil fuels from distant finding place [1,2]. The hydraulic, pneumatic and capsules pipeline transport systems may be successfully used to solve this task in the near future. Of course, the state of knowledge in the field of pipeline transport requires applying also experimental research beside a numerical... 

The second way is a capsule pipeline transport. Hydraulic capsule pipeline and pneumatic capsule pipeline is the transport of freight encapsulated to cylindrical or spherical bodies, so called capsules (with diameter only slightly less than the pipe), conveyed through pipeline by liquid or gas, respectively. Hodgson Charles [8] and Jensen [9,10] referred to capsule pipelining as the third generation of pipelining. 

Fig. 1 Pneumatic capsule pipeline capsules in circular and rectangular conduits. (Courtesy of Sumitomo Metal Industries, Ltd.) (View this art in color at WWW. dekker. com.)...

Kosugi, S. Pneumatic capsule pipelines in Japan and future development. Proceedings of the 1st International Symposium on Underground Freight Transport, Columbia, MO, Sep 2-3, 1999 Henry Liu, Ed. University of Missouri-Columbia Columbia, MO, 2000. 

Kosugi, S. Uchida, M. Pneumatic capsule pipelines for tunnel construction. Proceedings of the 8th International Symposium on Freight Pipelines, Pittsburgh, PA, 1995 Round, G., Ed. 

Kosugi, S. A Basic Study on the Design of the Pneumatic Capsule Pipeline System Ph.D. Dissertation, Department of Mechanical Engineering. Osaka University Osaka, Japan, 1985. 

Pneumatic capsule pipelines in Japan and future developments... 

This paper presents a review of development in the pneumatic capsule pipeline (PCP) system and its potential future developments. Two commercial PCP systems have been installed in Japan. One is to transport 2 million tons of limestone annually from the mine to the cement works. It has been in operation since 1983 without environmental pollution, with its availability being as high as 94 - 98 %. The other was commissioned for tunneling of Japan s bullet train from 1991 to 1994. This application is an epoch-making tunneling project with cleanliness and safety. Sumitomo Metal Industries, Ltd. (SMI) is also studying the application of the PCP system to municipal solid wastes, parcels, etc. It is anticipated that the 21st century will see widespread uses of the PCP system by virtue of its effectiveness without enviroiunental impacts. 

Kosugi, S., Uchida, M. and Kameda, M., Pneumatic Capsule Pipeline System for Tunnel Construction 8th International Freight Pipeline Society Symposium Proceedings, 1995. 

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