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Ventilation of the thermal workshop in Kostroma

  • Added: 12.02.2022
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Description

Ventilation of the thermal workshop in Kostroma

Project's Content

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Additional information

Contents

Introduction

1. Source Data

2. Design meteorological conditions of internal air

3. Identification of incoming hazards

4. Defining Air Exchanges

5. Air-heat balance

6. Calculation of local plenum ventilation systems

7. Aeration calculation

8. Selection of ventilation equipment

9. Calculation of air-heat curtain

10. Calorifer calculation

Conclusion

List of literature

Introduction

Ventilation is the main element in creating a favorable climate, designed to supply fresh air from the street and remove contaminated air from the premises.

Indoor air is an important factor that affects health, and, as a result, the ability to work of people in these premises.

Ventilation is one of the most important systems for ensuring normal human living conditions. If it acts together with other climatic systems, then a comfortable microclimate is maintained in the premises. Ventilation is a set of measures and devices used in organizing air exchange to ensure a given state of air in the room and at workplaces in accordance with construction standards. We are talking about fresh air, which should go into the room. It is for this purpose that ventilation systems are installed in the premises.

In all buildings there are central ventilation risers, a branch on each floor through which natural extracts from the kitchen and bathrooms are organized, and due to which the simplest natural air exchange in the room is organized: air leaves through ventilation grids, and gradually gets from the street through windows, doors, various leaking joints, etc.

To solve the problems of ventilation of premises for various purposes from apartments to industrial premises, there are a large number of ventilation systems where the necessary volume of air circulation is provided by fans of various capacities, in addition, in such systems there are usually additional air treatment sections: heating, filtration can be added humidification, cooling, etc., as necessary.

Source Data

Variant cipher: 91

Construction area: Kostroma

Number of people, n, person: 13 people. (number of machines + 2 people)

Version of the industrial building: No. 7. Thermal workshop Fig.1

Elevation Orientation: North

Design meteorological conditions of internal air

Air temperature in rooms is taken as follows:

a) for the warm period when designing ventilation in rooms with an excess of apparent heat - the maximum of permissible temperatures, and in the absence of excess heat - economically feasible within the limits of permissible temperatures;

b) for the cold and transition period of the year when designing ventilation for assimilation of excess apparent heat - economically feasible within the limits of permissible temperatures, and in the absence of excess heat - minimum of permissible temperatures (Table 1).

During the cold period of the year during non-working hours, the temperature of the internal air is taken below the normalized one, but not lower than 5 ° C, and it must be guaranteed that the normalized temperature is restored by the start of operation.

Conclusion

During this course work, we learned to determine the calculation of heat input from people, from artificial lighting sources, from equipment and from solar radiation through windows, and also selected VEROSA plenum chambers. Air exchange for each period, aerodynamic calculation, calorifer calculation were calculated.

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