Tertiary dust control process and system for use in the machine

Details Tertiary dust control process and system for use in the machine Tertiary dust control process and system for use in the machine

1998-06-08

2000-03-07

Joyce, Harold

Ventilation

Having both inlet and outlet airways

With air pump means

454 49, F24F 7007

Patent

active

060333030

ABSTRACT:
A process and system (60) for controlling the concentration of dust levels in a room (20) within which a paper-making, or finishing, machine (24) is housed involves a ventilation scheme which withdraws air from the room by way of ceiling vents (52) disposed generally above the tissue-making machine and directs fresh air into the room by way of inlet displacement modules (64) located adjacent the walls of the room which creates a moving wall of fresh air through the room. The flow of air being withdrawn from the room is coordinated with the flow of fresh air directed into the room so that a controlled air migration pattern is established and so that the fresh air displaces, rather than is diluted by, the room air. Along with this flow of room air, heat and humidity-generating vapors which are released by the tissue-making machine during operation are also pushed out of the room through the ceiling vents ahead of the fresh air. Consequently, areas surrounding the tissue-making machine at which machine operators are expected to work are appreciably free of dust, heat and vapors released by the tissue-making machine.

REFERENCES:
patent: 242264 (1881-05-01), Bullymore
patent: 1841957 (1932-01-01), Kelly
patent: 4460389 (1984-07-01), Baum et al.
patent: 5314376 (1994-05-01), Kuramarohit
patent: 5791983 (1998-08-01), Robertson

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