How to build energy-saving cloud data center from the angle of architecture

Building energy saving is to save energy consumption of buildings, reduce energy loss and improve energy utilization. Building energy-saving technology to meet the comfort of the use of the premise, the use of new insulation structure, efficient heating air-conditioning, energy-saving lighting equipment and the use of http://www.aliyun.com/zixun/aggregation/17815.html "> Renewable energy to achieve the goal of conservation. According to the data center of cloud computing and the need of green energy-saving, many building energy-saving technologies can be used for reference and application in cloud computing data center construction, and promote green energy-saving and efficient in cloud computing data center.

First, building shape design energy-saving technology

Building shape design energy-saving including building pattern orientation, shape structure design, shape coefficient, surface area coefficient design. The figure coefficient of a building refers to the ratio of the outer area A (m2) to the volume V (M3) surrounded by the building and the outdoor atmosphere. Outside the surface area, does not include the ground and not heating stair spacing wall and door area. Under other conditions, the heat index of building material is increasing with the increase of the figure coefficient. The results showed that the energy consumption index increased by about 2.5% per 0.01. In favor of energy-saving, the figure coefficient should be as small as possible. In the same volume of buildings, the shape coefficient of the cube is the smallest.

Second, building envelope energy-saving technology

Wall with rock wool, glass wool, polystyrene plastic, polyurethane foam and polyethylene plastic, such as new high-performance insulation materials and composite wall, reduce the external wall heat transfer coefficient.

To improve the insulation of windows and doors, and to effectively block the heat conduction between indoor air and outdoor air, by increasing the number of window layers, adding transparent polyester film on the windows, sealing strips with windows and doors, using low-e glass, encapsulating glass and plastic windows with good adiabatic properties.

The use of efficient insulation materials insulation roofing, aerial insulation roofing, pumice sand insulation roofing and inverted-type insulation roofing and other energy-saving roofing. Roof shading technology is used in the South area and in the hot summer and cold winter area. The appropriate external shading for the

is more effective than the internal shading to reduce the heat of the day. Sometimes it can even reduce the 70%-80% of the daily heat. External shading can rely on a variety of sun visor, building occlusion, window side eaves, eaves and so on play a role.

Third, energy-saving control technology of HVAC system

The control technology of HVAC system is the key technology for energy-saving transformation of existing heat network system and building energy system, and realization of energy-saving control of optimal operation. There are three main ways: VWV (variable water), VAV (VAV) and VRV (variable capacity), the key technology is based on the "cold (hot) source-transmission system-terminal equipment" in the air conditioning system, the physical features of the various linksSexual control.

Four, heat pump technology

Heat Pump technology is the use of low-temperature low heat energy resources, the use of heat pump principle, through a small amount of high energy input, to achieve low heat energy transfer to the high heat of a technology, mainly air source heat pump technology and water (ground) source heat pump technology. It can provide heating and cooling to buildings, effectively reduce heating and cooling energy consumption of buildings, and reduce environmental pollution in the area.

Five, fresh air treatment and air conditioning system waste heat recovery technology

The amount of cooling required to change the fresh air quantity is less than 20% of the cooling capacity required for the minimum fresh air quantity. If the fresh air volume can be changed from minimum fresh air to full fresh air, it can save nearly 60% energy consumption in spring and autumn. For the size of fresh air volume, the need for comfort and health, economic and environmental protection and energy conservation between the balance point is the key to its energy conservation. The heat recovery of air conditioning system can be realized by hot and wet exchanging between air conditioning room and fresh air through heat exchanger.

(Responsible editor: The good of the Legacy)