Air pollution in industrial enterprises

Airborne pumps

basic principle of ventilation

Centrifugal exhaust veshilyatory

Determination of air exchange

dust control

Exhaust System

Forced ventilation on confectionery

Hourly values

mist of water vapor

pressure loss in the flare emissions

radioactive dust

scheme of the central pressure inlet system

Special prechamber

temperature gradient

Ventilation at bakeries

Ventilation in the Confectionery Factory

ventilation when dealing with heat

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lifting height of exhaust pipes

Lifting height of exhaust pipes on the building ridge sometimes limited by aesthetic considerations. Indeed, the beam pipe above the roof - it is ugly. For such cases it is recommended to display the pipe through the roof of the concentration and decorate them by constructing a common box, the circuit is shown in Fig. 50.

When placing... read more >>

Guidance on design temperature evaporation

Standards and guides, recommending a significant increase in the estimated surface for wet rough material, do not give any indication of the design temperature of evaporation. Use the data for the quiet surface of the liquid in this case correctly, as the evaporating temperature will be lower, but how much is hard to say because it depends... read more >>

Hammer crushers

Hammer mills and disintegrants recommended supply bypass pipe connecting the filling and discharging heat. This is done for decompression at the bottom of the machine, created by their moving parts. Dedusting of hammer crushers is usually achieved by aspiration of the type SIOT shelters that are installed on conveyors, receiving fragmented... read more >>

heat dissipation bakery ovens

Heat of baking ovens are made up of heat from heated surfaces of heat, bursting with oven gases and heat cooling shapes and baked bread. Determine the heat calculation is very complicated, they are taken on the basis of experimental data. Table. 32 shows the total heat from the furnaces in the main hall (or in the bakery department, if... read more >>

heat release

Heat and they create excess heat in the room the most common harmful. Although the well-being in a strong degree of envy of the temperature conditions, yet because of the body's ability to thermoregulation person is relatively easy to adapt to "an abnormal temperature. However, prolonged exposure to high temperatures worsen health and reduce... read more >>

Hourly values

In ventilation technology always operate with the hourly mean values. To this we can also resort to calculate flare emissions, taking into account the maximum speed is not "ripple" of wind, and some average. For most areas the maximum speed "pulsing" the wind can be assumed to be 5 m / sec. Consequently, the average settlement rate is equal... read more >>

Humidification of dusty materials

The chemical industry, along with ventilation and aspiration is widely used wetting dusty materials and gidroobespylivanie. This particularly applies to the processing of materials that emit toxic dust.

However gidroobespylivanie, and the more moisture is not always possible. On some production materials may be processed only in the... read more >>

Jaw Crushers

Jaw Crushers create significant dust formation, mainly in the exit site of the crushed material. Zev crusher dusts less. Typically, the crushed material enters the conveyor belt on which the shelter is installed with side vented chambers type SIOT. From this shelter is sucking air. The upper part of the crusher is equipped with a capacious... read more >>