Ventilation and air conditioning systems are an integral part of every building, which keeps fresh air and removes polluted air. In addition, the ventilation and air conditioning systems are used for a variety of purposes such as maintaining moisture and stabilizing temperatures, removing dirt, allergens, supplying, exchange of O2 and CO2.
Ventilation and air conditioning systems
I. Ventilation system
A. General overview of ventilation system
Ventilation system (V in HVAC) is the process of "changing" or replacing air in any space to provide high quality air for the inside area (ie to control the temperature, supplement oxygen, remove moisture, odor, smoke, dust, heat, airborne bacteria, carbon dioxide).
The main task of the ventilation system: to remove unpleasant odors and excessive moisture, to bring in outside air, maintain air circulation in buildings, to prevent maintenance. stagnation of the air inside.
Currently, the ventilation system is divided into natural systems and mechanical systems. In particular, natural ventilation systems depend on the conditions of the atmosphere, their structure includes: sockets above the roof, doors placed below the building. These locations help bring out the old air and welcome new air into the house, this repetition creates a cool, comfortable for people living inside the building.
For mechanical ventilation systems, their task is to filter and circulate air. This system actively drains fresh air and expels old air. Besides, it also has the heating and cooling function (often used in high-rise buildings). Common types of mechanical ventilation systems: heating, ventilation and air conditioning (HVAC).
B. Cnectdots Company provides ventilation system design service including
Ventilation system, exhaust air intake
System to create pressures, stairs, corridors, buffer rooms
Exhaust system for corridors, lobbies, commercial areas
Types of ventilation fans: axial fans, wall mounted, centrifugal, ceiling mounted, suspended ...
Piping system and distribution system for supply, return and exhaust air: ducts, flow control valves, air vents, fire valves, check valves, check valves with engine control, air inlet and exhaust wind.
Sound-proof, heat-proof and safe fire-proof materials.
Cnectdots' prestigious ventilation and air conditioning system design service
C. Design standards for ventilation
TCVN 5687: 2010: Ventilation-air conditioning - Design standards / Design standards for ventilation - air conditioning
TCVN 4605 - 1988: Heating techniques - Insulating components - Design standard. Thermal engineering - Structure of enclosure - Design standards
QCXDVN 02: 2009 / BXD Vietnam Building code - Natural Physical & Climatic Data for Construction / on natural weather physical condition for construction industry.
QCXDVN 05: 2009 / BTNMT - National technical regulation on ambient air quality / National technical regulation on ambient air quality.
QCXDVN 06-2010 BXD: Vietnam National Technical Regulation on Fire Safety of Buildings & structure / National technical regulation on fire safety for houses and buildings.
QCXDVN 26: 2010 / BTNMT National Technical Regulation on Noise / National Technical Regulation on Noise
2009 ASHRAE Handbook - Fundamentals / Basic handbook for heating, ventilation and air conditioning.
ASHRAE 62.1-2010 Ventilation for acceptable indoor air quality / Ventilation for indoor air quality is acceptable
QCXDVN 02: 2009 / BXD Vietnam Building code - Natural Physical & Climatic Data for Construction / on natural weather physical condition for construction industry.
QCXDVN 05: 2009 / BTNMT - National technical regulation on ambient air quality / National technical regulation on ambient air quality
