Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1987-12-07
1989-04-11
Spitzer, Robert
Gas separation
Means within gas stream for conducting concentrate to collector
55 96, 55 97, B01D 3938
Patent
active
048203173
ABSTRACT:
The invention is concerned with pneumatic apparatus for removing fibers, dust and threads from industrial processes, particularly in the textile industry. In an arrangement in which there is a plurality of collecting heads each associated with a part of a machine from which dust, fibers or threads are likely to be emitted, each of these collectors leads into a common duct which in turn leads to a suction fan and filter.
The suction pressure (or any other physical characteristic of the air in the duct which relates to the suction pressure) is detected, and a signal from this detector is compared with a signal corresponding to a desired suction pressure and the output signal from the comparator used to control the speed of the driving motor for the suction fan. In this way, the suction pressure in the duct approximates to a constant pressure, despite variations due to the build-up of material on the filter or other factors such as the opening and closing of dampers controlling the flow of waste material into the duct. Consequently, the fan speed can be set at an optimum value, instead of having to set it at a value which will ensure operation of the system under the worst conditions. Hence, a large energy saving is possible.
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Adams, III W. Thad
Spitzer Robert
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