Industrial ventilation – it is a process whose purpose is the technological and hygienic requirements in the production, including to the air in the workplace.
Design and installation of industrial ventilation systems can solve some problems, chief among them – the process of exchange. After the necessary calculations experts define the technical conditions in the production process, the volume and nature of emissions, and taking into account this information to design the ventilation system.
To Accurately determine the necessary data is almost impossible. Much here is played by knowledge and experience of the specialists: technologists, designers, and engineers. If to determine the quantity of exhaust from the room air correctly, even the most expensive and modern ventilation will not give the desired effect.
It – ensuring comfortable conditions of stay of the employees of this manufacturing plant. In addition, thanks to proper ventilation, provided with the necessary technological processes and storage requirements of a particular type of products.
With the aid of ventilation systems, the enterprises create optimal conditions in accordance with sanitary standards. They not only increase the production efficiency and labor productivity, but also improve the quality of products, reducing the percentage of defects.
In the process of ventilation of air in the workplace removes dust particles and excess moisture, set the optimum temperature. The air is cleaned from flammable, explosive and simply harmful substances.
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Industrial ventilation and air conditioning clean the air and neutralize the negative effects generated in the production of substances. For example, they successfully cope with excessive heat and flagovedeniya, give substance in vapor and gaseous form, including various toxins that are harmful to health.
Industrial ventilation solves the problem of excessive dusty areas, when the air particles of dust in quantities exceeding the maximum allowable value. The same applies to particles of smoke and aerosol substances. Finally, in the production process of the air concentrated in the smallest particles of the liquid in a mist or drops, hollow bubbles of gas.
These “harm” are carried by the air. A ventilation system that determines the desired flow of air, forming of the temperature field. It permanently removes contaminated air from outside, clean on the outside and pumps cool air. Such ventilation is accomplished by a special exhaust equipment.
So, industrial ventilation directly affects the work efficiency. Its correct calculation and functioning of many technical processes. So before you undertake installation of industrial ventilation specialists carefully calculate the intensity and frequency of updates of the air in the room. Here are some of the factors taken into account.
Industrial ventilation in Moscow and other major cities is subject to certain requirements. For example, in a small room whose area is less than 20 square metres, must be received at least 30 cubic meters of clean air per hour per person.
In the ventilation system there are two main types of equipment: extractor and inflow. For the removal of dirty air meets the extractor, or exhaust ventilation of industrial, and for the supply of clean – supply. They can work simultaneously or randomly. However, the amount of injection and the exhaust air is always the same.
Depending on the way of discharge of air, industrial ventilation divided into mechanical and natural. The latter is due to the natural movement of air indoors, due to the different pressure and the action of the winds. Mechanical ventilation, respectively, works by installed fans.
To enhance the safety of technical process ventilation, in some cases, mount the emergency or backup system.
So, the supply of industrial ventilation is to replace dirty air discharged from the room is clean, which is supplied from the outside. It is divided into two types: local and General.
This system cleans the air in the most polluted areas. The air is supplied in amounts sufficient to dilute harmful substances to the maximum permissible values. If we are talking about heat values, the temperature decreases to the limit to avoid excess heat.
Is used to create specific parameters in a well defined area. Technically it is implemented by using special designs, including:
So, General industrial ventilation only neutralizes the excess heat and reduces the concentration of harmful substances in the air. If in the production process there is a significant release of harmful gases, vapors and dust, is a mixed system, on the basis of General ventilation, local suction.
For enterprises with higher dust and gas to establish General dilution ventilation is not recommended. In this case, the more powerful the equipment, the more harmful substances will be posted on the production premises.
Today there are different types of fans. Here are the main ones.
Besides the usual, there are fans with special functions.
Industrial ventilation System – an important part of any production, and their design and installation should be done by competent professionals.
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