By Professor Dr.-Ing. Heinz Brauer, Professor Dr. Yalamanchili B. G. Varma (auth.)
This publication has arisen without delay from a path on Air and Water pollutants keep an eye on added by means of the 1st named writer on the Technical college of Berlin. Extractions of this path were awarded in Brazil, Turkey and India. It used to be on the Indian Institute of expertise of Madras the place the 1st named writer received involved with Professor Varma, who grew to become out to be a suggestive, cooperative coauthor. This ebook is addressed essentially to chemical, environmental and mechanical engineers, engaged within the layout and operation of apparatus for pollution keep an eye on. however it will surely be worthwhile to chemists and physicists faced with the answer of environmental difficulties. additionally it really is meant as a textual content ebook for engineering classes on environmental safeguard. The aim of the booklet is the presentation of data on layout and operation of apparatus appropriate to the abatement of damaging emissions into air. The know-how of pollution keep watch over is of fairly younger age, however it has already completed a excessive measure of functionality, because of the examine and increase ment paintings invested within the final a long time during this field.
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16): (= 24 Re range of application: 0::; Re;:s 1. (18) 49 2. Removal of Particulate Pollutants 10 3 • theoretical-numerical data • experimentat data 6 <\ 2 10 2 6 I'" <\ >-I' ~ :>: ~ c: ~ :S 2 10' 6 ~ ~ <\ l'~ 2 100 6 4 2 10 " ~ a I I> ,.. 5O laminar flow near surface R'j,r=3. 3. Friction factor of spherical particles : Curve a according to Eg . (16), and curve b according to Eg. (18) • theoretical-numerical data, 0 experimental data Substitution into Eq. (15) leads to: Re= Ar. (19) 18 The Archimedes number Ar is defined by : (20) where v=1]/p is the kinematic viscosity of the fluid.
The cyclone consists of entrance chamber, vortex chamber, dust collection chamber, and gas exit tube, the latter extending into the interior of the cyclone. The gas is introduced tangentially so that a rotational movement of gas and dust particles is obtained. Due to this rotational motion, centrifugal forces result which carry the dust particles toward the wall of entrance and vortex chamber. The cyclon separates the dust continuously. As an example of a typical adhesion force separator, a bag filter is selected.
Under the action of centrifugal forces, the dust particles are separated from the gas phase. Conventional adhesion force separators are bag and pocket filters. A typical electrical force separator is the plate precipitator. The three types of dry dust separators are schematically illustrated in Fig. 10. The cyclone consists of entrance chamber, vortex chamber, dust collection chamber, and gas exit tube, the latter extending into the interior of the cyclone. The gas is introduced tangentially so that a rotational movement of gas and dust particles is obtained.
Air Pollution Control Equipment by Professor Dr.-Ing. Heinz Brauer, Professor Dr. Yalamanchili B. G. Varma (auth.)