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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supply plant

Supply plant, serving the firing room, usually beskalorifernaya heated outdoor air due to internal mixing. Warm air is usually taken from the upper zone of the main shop on the furnaces. In this case, is formed in the combustion compartment pressurization, which is permissible in view of the complete isolation of the room. All incoming air... read more >>

sizes suction panel

Sizes suction panels, slotted suction hopper or selected depending on the nature of the pollutant release and the extent of "front" of the selection. Any of the suction should be located as close as possible to the center of the selection hazards. The term "close" we mean the location of slit suction hopper or at a distance of 150-200 mm... read more >>

slope of the

Based on the experience of ventilation hydrometallurgical (electrolysis) plants with considerable heat and moisture found in the room up to 5 m in the motion in the upper zone crane - beam temperature gradient barely reaches 0,5-0.6 feeding fresh air into the work zone . For higher space gradient is unlikely to be greater. Note that the... read more >>

Some cases of air purification from toxic hazards

Sometimes when deleting local exhaust significant amounts of toxic hazards is necessary to clean the air before throwing it out. In practice, ventilation, such cases relatively few, as opposed to process emissions are rarely! high concentrations of harmful substances.

Questions on cleaning ventilation emissions of gases, fumes and aerosols... read more >>

Special prechamber

If you allow the technology, rationally arrange the ends of the oven or dryer (where there are openings for entry and exit of the material) the special pre-combustion chamber from which the exhaust air. Prechamber provided with similar openings, which have a stove or dryer. Performed prechamber of any material, in particular of steel sheet.... read more >>

specific localization of dust emission

As already mentioned, the effective control of dust emission is possible only with the help of local suction.

Of the above types of local shelters and suction for dust control is almost completely excluded umbrellas. They can give effect only when the dust is associated naughty. A small amount of light dust in the intensive heat flow... read more >>

specificity of ventilation-rise buildings

Corps of industrial enterprises, usually involving konstrktorsko and design offices, skilled and semi installation, research laboratories and ancillary buildings are almost always located in multistory buildings. In these same buildings are usually the central laboratories of industrial enterprises. High-rise buildings with lots of medium-sized... read more >>

suction ducts exhaust systems

Suction ducts exhaust systems are usually grouped in several pieces and displayed in the upper technical floor, where they are connected to the exhaust fan coming through the floor ducts easily decorated, especially if they are near the step and partitions. Plaster channels are not recommended because they are only used for the extraction... read more >>

suction of the suspended hopper

In some cases, suction of the suspended hopper through casing Truck scales. For treatment of aching removes air, usually used Suction Cloth filters.

Under certain conditions, flour dust is explosive, but since the observed concentrations of dust in bakeries explosion is virtually eliminated, then the blast special measures there is usually... read more >>