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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Toxicity released unhealthy

Estimated value of the velocity v is taken, depending on many factors, chief among them is the degree of toxicity of pollutant emitted, which determines the possibility or not a partial knockout hazards from the shelter. This is followed by the presence or absence of events, enabling ejection hazards. These include the phenomenon of mechanical... read more >>

temperature gradient for the kitchen space

The temperature gradient for the kitchen space Pirozhkova, etc. You can take a range of 1 to 1.2, but no more. Magnitude of the temperature gradient take depending on how the feed air supply and location of inlet nozzles or panels. The average temperature of the outgoing air are encouraged to take on 2-2,5 В° C above the working area.
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temperature gradient

In the same room temperature gradient is different for different points of the room. The values of A used by the calculations should be regarded as some average value.

Table. 16 shows the values of the temperature gradient and depending on the heat-stressed in the room and the height of the building. These figures should be seen as... read more >>

the need for special sealing pockets dust

Without touching until the volume removed by aspiration of air, we note the need for special sealing pockets in the dust of toxic dust. Closed vehicles - elevators, bacon, etc. - should have a maximum sealed casings, tightly connected to the chutes.

Pouring of any pipelines, if any, must necessarily be provided with shelter from the... read more >>

total multiplicity of exchange

There are more refined data relating to chemical industries. If the height of the room up to 6 g or conditional zone up to 6 m is recommended following total multiplicity of exchange under the joint action of constant and emergency exhaust:

at the maximum allowable pollutant concentration of 5 mg/m3 and higher multiplicity of exchange... read more >>

toxicity of the dust

In the fight against dust often ignored one of its essential properties - toxicity. In modern industries, in addition to silikoznoy dust, which can also be attributed to the toxic, there are dust with a distinct virulence, such as lead and lead oxides, mercury compounds, arsenic anhydride, and so and. Fighting like dust much more complicated;... read more >>