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Advantages of air supply and pipeline installation
Time：2016-12-04 Author： Hit：959
The new air system air supply pipe selection, flat tube to air (floor outlet) the obvious advantages of underfloor air supply air generally flush with the ground and installed on the baseboard of the center position, the ground to the overhead and lower space layout for slotted duct or used directly as plenum flat floor, fresh air through the pipeline into the room, and indoor air heat exchange from the upper part of the room (above the ceiling or work area) the timely discharge outlet.
Advantages of air supply and pipeline installation requirements
1, facilitate the renovation of the building and renovation of existing buildings
When the office use change, the need to re layout, decoration, arranged in the air outlet on the floor is easy to change, and the lower part of the floor space to convenient installation of power lines, communication lines, water pipes etc., which can greatly reduce the cost of renovation. According to the Japanese experience, only the labor force can be saved 32%. Underfloor air supply system can be used for building renovation, while heightening floor will encounter floors and stairs and elevator stop position adjustment, toilet ground elevation problems, but these problems can be solved through floor grooving. In addition, the installation process is a relatively simple process, the damage to other structures can be reduced to the minimum.
2, local climate environment of personal control
The plenum of underfloor air supply outlet wind, generally flush with the ground set or mounted on the baseboard, direct air diffuser to work. Users can not only control the air flow can also control the direction of the wind, it is obvious to improve the personal comfort. The use of static pressure tank to send the wind so that the concrete floor into a heat storage layer, thus reducing the temperature fluctuations and peak cooling load.
3, improve the air quality in the work area
Due to the air is arranged on the ceiling, the ceiling, under the airflow form and sent back, and help to remove the residual heat and humidity and pollutants from the use of space, so as to ensure the work area of high ventilation efficiency and air quality.
4, energy saving and environmental protection
The energy consumption of the floor air supply system is 34% of the energy consumption of the traditional air conditioning system, and its energy saving effect can be reflected in the following aspects:
(1) air supply temperature static pressure air supply system using high, research shows that in the same working environment temperature and humidity region, underfloor air system than the air temperature approximately 4 degrees C to send the conventional air conditioning system, which allows more air in the dry season, the high temperature and cooling coil the evaporator temperature, improve the chiller COP.
(2) as a result of the thermal stratification of the air supply system, the mixed zone of the air can be as long as it is in the area of the personnel to remain in the area. In this system, most from the installation produced in the ceiling lamp heat has not yet reached the ground was discharged, increase the exhaust temperature, reduce the total cooling load, reduce the capacity of the refrigeration unit, underfloor air supply system only needs the air conditioning room heat hot 64%.
(3) due to the large cross section of the air supply under the floor, the pressure loss is small, thus reducing the power of the air conveying and reducing the energy consumption of the fan;
(4) in the transitional season, the use of higher air temperature and prolonging the service time of the outdoor air, reducing the opening time of refrigerator.
(5) building floor air supply system, although the need to supply plenum, but does not require a larger space to accommodate the ceiling air supply pipeline and terminal device, and the traditional fan all air conditioning system compared with underfloor air supply system can reduce the floor height of 5% ~ 10%.
