Building energy conservation mainly aims at reducing energy consumption including building heating, air conditioning, hot water, lighting and various electrical appliances used in buildings, and takes distributed energy including energy-saving projects such as roof photovoltaic and combined cooling and heating as means to save resources to the maximum extent, improve energy utilization efficiency, reduce pollution, and provide people with healthy, applicable and efficient use space and a building environment in harmony with nature. More than 99% of the 2 billion square meters of newly built houses in China are high-energy buildings; Of the existing buildings of about 50 billion square meters, only 4% have adopted energy-saving measures. Existing building energy-saving renovation and new building energy-saving system engineering are the main demand points of building energy-saving market, and the future building energy-saving market is promising. Shenzhen energy group, a member of the alliance, is committed to developing clean energy and environmental protection industries, and is an expert in comprehensive energy utilization in industrial parks and large buildings. Its main business areas are: the power of rooftop photovoltaic power generation system is about 0/00W per square meter/kloc-0, and the annual power generation per watt is 0.8- 1.6 kWh. The project has the following advantages: (65,438+0) Enterprises or building managers use it for their own use, which can greatly reduce the cost of electricity purchase. (2) Photovoltaic power generation can reduce users' electricity purchase and help users achieve the goal of energy saving and emission reduction. At the same time, there is no noise pollution during photovoltaic power generation, and it will not pollute air and water. (3) During the peak period of power consumption in summer, users are faced with power rationing, which will have a serious impact on production and daily work. Photovoltaic power generation can effectively alleviate the power shortage. (4) Photovoltaic power generation projects usually use roofs and idle land to generate electricity, thus alleviating the land shortage; It can also achieve heat insulation and sunshade for buildings, especially in summer, which can effectively reduce the utilization rate of air conditioners, play a good energy-saving effect, and also prolong the service life of buildings themselves. (5) Photovoltaic power generation can be sold 100% on the Internet, or it can be used for its own use. Power generation and electricity consumption coexist, and the access mode is flexible. Cold, heat, electricity and other energy supply (1) centralized steam supply. Large coal-fired power enterprises provide steam for nearby industrial parks, tourism centralized service areas, ecological parks, comprehensive commercial groups and important public buildings (such as hospitals, schools, shopping malls, high-end hotels, etc.). This way can give full play to the great advantages of coal-fired power, such as high efficiency, energy saving and leading environmental protection. Compared with the transformation of natural gas, central steam supply and heating has lower price, higher efficiency and better environmental protection. According to the calculation, the steam consumption cost of small coal-fired boilers is 544.9-594.5 yuan/ton, and the centralized steam supply cost of power plants is lower than that of 200 yuan/ton (in principle, the greater the demand, the lower the unit price). Centralized steam supply has a stable steam source, which has the functions of optimizing resource allocation, avoiding repeated investment, improving environmental quality and promoting energy conservation and emission reduction. (2) Combined cooling, heating and power supply. For long-distance and small-scale users, the mode of combined cooling, heating and power supply is generally adopted. The project is arranged near users, with gas as the primary energy for power generation, and the residual heat generated after power generation is used for cooling or heating, and at the same time, electric energy and heat (cooling) are output to users. The project is safe and reliable, with mature technology, and can provide uninterrupted energy supply in case of power grid accident/failure; At the same time, because the project uses the waste heat after power generation for cooling/heating, it saves the consumption of primary energy and is cleaner and more efficient than the conventional system. Among the members of pure water supply alliance, the total design of demineralized water system in Heyuan Power Plant of Shenzhen Energy Group is 2×75m? The water yield is large, and there is room for equipment expansion and transformation. The system adopts "full membrane" water treatment process, including flocculation and sedimentation, V-type filter, self-cleaning filter (AF), ultrafiltration device (UF), reverse osmosis device (RO), electric desalting device (CEDI) and its auxiliary systems. The water quality of the system (conductivity < < 0.055us/cm, silica < 3. It can be used in electronics, medical care, food and other industries. Among the members of the wastewater treatment alliance, Heyuan Power Plant of Shenzhen Energy Group has a set of wastewater treatment technology with independent intellectual property rights, which is the first in China to realize zero discharge of wastewater from power plants. The system adopts the advanced treatment technology of desulfurization wastewater with evaporation and crystallization process. 20 10 passed the acceptance organized by the Ministry of Environmental Protection, and was awarded "Key New Technologies and New Products for Energy Conservation and Emission Reduction in China" by China Environmental Protection Federation. Experts from the Environmental Protection Industry Association believe that "this technology has filled the domestic gap and reached the international advanced level, and it is recommended to be popularized and applied in the treatment of desulfurization wastewater from coal-fired power plants and high-salinity wastewater from other industries". At present, the zero-discharge wastewater system has been in operation for 7 years, which has fulfilled the environmental protection promise of "not discharging a drop of wastewater to Dongjiang" and achieved remarkable demonstration effect. Heyuan Power Plant has also developed high-efficiency water-saving technology, and the circulating water runs at a high concentration ratio (the concentration ratio reaches 10.5, which is greater than the domestic conventional 3.5-5), achieving daily water saving of more than 1 10,000 tons. Among the members of the waste incineration power generation alliance, Shenzhen Energy Group Environmental Protection Company actively develops the energy and environmental protection industry. Is a state-level high-tech enterprise, with the first-class certificate of R&D, design, equipment manufacturing, construction and operation of pollution control facilities operation service capability and solid waste treatment industrial chain capability evaluation. It is recognized as a leading enterprise in technology and management in the domestic industry, with 47 national technology patents and the National Science and Technology Progress Award and many other world and China science and technology awards. At present, five waste incineration power plants, including Nanshan in Wuhan, Yantian, Baoan, Baoan Phase II and Xingou, have been completed and put into operation, and Longyan waste incineration power plant in Fujian has been successfully acquired, and the technical consulting service project of waste incineration power generation in Chaoyang District of Beijing and the bot project of waste incineration power generation in Guilin of Guangxi have been successfully obtained, among which Baoan waste incineration power plant (4,200 tons/day) is the largest and highest standard waste incineration power plant in China. Comprehensive Energy Services Shenzhen Energy Group is committed to providing customers with safe, economical, high-quality and environmentally-friendly professional power services, and vigorously developing power demand side management, contract energy management, comprehensive energy supply mainly based on electric heating and cold water, power engineering, smart grid construction, distributed power investment, and microgrid construction in mature industrial parks. Among them, the direct power supply transaction has been tried first and made substantial progress. Users who participate in direct power supply not only ensure priority power supply, but also enjoy certain preferential prices. The preferential price difference of 20 16 years is lowered on the basis of industrial electricity price 1.2 cents/kwh. With the gradual liberalization of the electricity market, the direct purchase price is determined by both parties through consultation, which will become an important source for large users to cut operating costs. While vigorously expanding the main power industry, Shenzhen Energy adheres to the highest environmental protection standards and actively develops the energy and environmental protection industry based on the garbage disposal industry, initially forming a strategic pattern of comprehensive development of energy and electricity-oriented, energy and environmental protection and other related industries. The main business indicators have been ranked among the top in the same industry in China for many years, and they have been selected as the top 500 industrial enterprises in China for many years, and have established a good image of "honesty, Excellence, standardization and environmental protection" in the industrial market and capital market. We are willing to open up a broader cooperation space with the park and large and medium-sized industrial and commercial users with a hundred times enthusiasm.
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