Method and plant for pneumatic transport of solid particles
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United States of America Patent
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Sep 10, 2002
Grant Date -
N/A
app pub date -
Jul 10, 2000
filing date -
Jan 9, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a method and plant for the pneumatic transportation of solid particles in the form of a diluted phase through a conduit (1), with which the transport air in said conduit is given a velocity which is at most equal to the air velocity chosen for a maximum particle load level. The free flow from the pressurized air source (3) is regulated on the basis of measured air velocity or on the basis of a state corresponding thereto, such as air pressure in the conduit, and an established relationship between the free flow and the said measured velocity of the air or a state (pressure) corresponding thereto, essentially independently of the particle load. There is thus maintained in the conduit a preferably constant transport air velocity with all different occurring levels of particle load.
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