What technology does the application of building water-saving technology mainly refer to?

Building a green building surface with a height of 632m for a building in Xia Hai embodies the principles of caring for culture, strengthening saving capital and increasing efficiency, and ensuring intelligence and convenience. By comprehensively saving energy and new energy, saving rain and pollution, saving materials and using green building materials, controlling indoor air pollution and improving indoor environmental quality, the efficient and green operation of the whole life cycle of the building will be realized, and the first double-certified green super-high-rise building will be created.

(1) technical principle

1) Establish a friendly relationship between buildings and urban environment, improve the utilization rate of soil resources, and build a high cost-effective, healthy and high-quality microclimate environment. The indoor environment compliance rate is 100%.

2) Combining the unique climate environment and the characteristics of the building itself, optimize the energy-saving design of the building, charge and reuse the energy, reasonably realize the cascade utilization of energy, and improve the comprehensive energy-saving rate of the building by 60%.

3) By reducing reuse and emissions, the utilization rate of water resources is improved, and the utilization rate of non-traditional water resources in office shopping malls is less than 40% and that in hotels is less than 25%.

4) Based on the optimization idea of green building materials with local materials, the utilization rate of 3R building materials is improved, and the utilization rate of recycled materials exceeds 65,438+00%.

5) Strengthen the restriction of management technology innovation in engineering construction department, reduce the waste of resources, reduce the negative impact of construction environment and realize green construction.

6) Build a comprehensive supervision platform for energy and environmental information, improve the intelligent level of operation management and property management, and finally achieve the goal of building energy conservation and emission reduction.

(2) Technical measures

Technical measures to implement green building in Haisha mainly include:

1) cloth energy utilization technology The comprehensive utilization technology of cloth energy system has the characteristics of close to users, cascade utilization, high energy utilization efficiency, environmental friendliness and reliable energy supply. Cloth energy system has attracted the attention of governments, enterprises, manufacturers and operators all over the world. Independent buildings use CCHP, which is one of its ten important types. The gas CCHP system of this project is a gas energy cogeneration system. In summer, direct-drive absorption refrigerator provides refrigeration; The energy utilization rate is about 40% higher than that of using waste heat to provide hot water, and the quantity is about 80% higher, saving energy.

2) VAV air conditioning technology VAV air conditioning system meets the load change by changing the air supply in the air conditioning area. Compared with fixed air supply system, various air conditioning systems have advantages in energy saving. ① Reduce the operation energy consumption of air-conditioning fans, and the overall average power consumption of air-conditioning fans will be reduced by 50%. ② Use outdoor fresh air as cold source to reduce the energy consumption of refrigeration system. (3) The energy state transfer charge considers the instantaneous load and the required air supply value of each section of the internal and external heat balance system. The former accounts for 7%. 0% ~ 90% significantly reduces the total air supply of the system. At present, VAV air conditioning systems mainly include single duct VAV system, double duct VAV system and VAV outlet of VAV terminal VAV box.

3) Hot air is exported from buildings, operation processes, hotels and offices, especially Xia Hai 24, which is a direct business space and an open garden. In summer, the hot air gathering temperature is high. The hot air from the heat recovery technology department is collected by a heat pump water heater, and the hotel provides hot water. Xia Hai water source heat pump system is designed with fan coil with ECM motor.

4) Source heat pump technology uses shallow heat source for heating, refrigeration and environmental protection air conditioning system. In winter, soil heat is used for indoor heating. In summer, indoor heat is taken and released, which is environmentally friendly and pollution-free when burning. There is no need to use cooling tower to remove heat; The operating efficiency of water source heat pump damaged by pumping water is 40% higher than that of traditional air conditioning system, and the pollutant emission of source heat pump is 40% lower than that of air source heat pump and 70% lower than that of electric heating.

5) Turbine wind power generation technology Wind power generation has advantages: Wind power generation is a clean self-energy source; Second, wind power technology is becoming more and more mature, and safety depends on energy; Third, the economic benefit of wind power generation is improved, and its power generation is close to coal power and lower than oil power and nuclear power; The construction period of wind power generation is short, and the installation of a single unit takes only a few weeks. Windmills are divided into two main types according to the rotation axis: horizontal axis to vertical axis. Compared with the vertical shaft, the design of the rotating shaft perpendicular to the wind direction is simpler, and it is necessary to change the rotating direction with the wind and adjust the rotating direction of the blades, depending on the resistance difference acting on the downwind and upwind blades. Haisha adopts vertical axis rotating turbine generator.

6) Rainwater collection and treatment technology: Rainwater is collected from resources through the collection system and used for flower irrigation, toilet flushing, building interior cleaning, equipment cooling, etc. So as to reduce the use of rainwater collection and utilization technology, including collection, storage, purification and utilization. The waste material flow in the process of collection and the interception before storage all reduce the running load of water treatment facilities, which affects my research and setting up necessary waste material flow interception facilities and improves the utilization efficiency.

7) Green construction technology Green construction refers to the basic requirements of engineering construction, such as quality and safety, general management technology schedule limitation, resource conservation and reduction of negative impact on the environment. Specifically, the four-stage construction management of environmental protection is effective, and environmental protection, material saving and material resource utilization, water saving and water resource utilization, energy saving and energy utilization, and construction protection are strengthened.