[Editor’s note]2month24On the morning of 6179_6198|, the State Administration of China organized a meeting of central state agencies2012Annual Energy and Resources Conservation Work Conference. The leaders in charge of central state agencies, ministries and commissions, and the leaders in charge of relevant universities400Multiple people are participating in the meeting. A total of four units were arranged to introduce their experiences at the conference. w88 casino was identified as the only university speaking unit. Vice President Hu Fuyin of w88 casino gave a speech and introduced the w88 casino’s situation of “building a conservation-oriented campus and building a green and low-carbon university”.
The full text is as follows:
Building a conservation-minded campus and creating a green and low-carbon university
w88 casino
1. Brief overview of the green campus construction of the w88 casino
w88 casino attaches great importance to the construction of a green and low-carbon campus.20078408_844520088473_850720108535_85672010National Advanced College in Energy Conservation Management of the Year”.2009Year128670_87262010Year3In March, the front page of China Education News published a report entitled "w88 casino saves energy and reduces emissions to create a green campus";2010Year48884_8918
20042004Since the year, w88 casino has implemented a total of22energy saving and emission reduction projects. Beijing Chengxin Energy Environmental Technology Co., Ltd. to w88 casino22Energy conservation and emission reduction projects were audited, and the audit results of the "Energy Audit Report" show that22Energy saving projects, eachYears of water saved3610,000 tons, save water bills14410,000 yuan; natural gas can be saved every year441.4110,000 cubic meters, saving natural gas costs828.4910,000 yuan; can save electricity every year399.4Wandu,Save electricity bills192.91Ten thousand yuan.22The total savings equivalent to standard coal for each project5757.41tons, saving money every year1240.67Ten thousand yuan, can reduce carbon emissions every year13242.05tons, significantly reducing greenhouse gas emissions, playing a positive role in environmental protection, and achieving good economic, social and educational benefits.
2. Main measures taken to build green universities
(1) Strengthen water-saving transformation and save water to the maximum extent
w88 casino is in2004Start the reclaimed water treatment station construction project in the middle of this year, in2005Year1The monthly built-up daily sewage treatment capacity is1000ton of gray water treatment station. The main sources of sewage in the reclaimed water treatment station are bathing water collected from student bathrooms, collected rainwater, washing water from some dormitory buildings and sewage from the pipe network. In order to avoid secondary pollution of water, we chose "physical+Biochemical" method is used to treat raw gray water. In the past five years, we have regularly conducted sampling and evaluation of the treated gray water, and all indicators are in line with the national water quality standards for urban sewage recycling. The treated gray water is mainly used for flushing toilets, greening water and landscape water. At present, w88 casino70%’s office buildings, teaching buildings and student dormitories use gray water for toilet flushing,Whole w88 casino30%Green space (approx.30,000square meters) Use gray water for irrigation. Through construction water reuse,Rainwater recovery system, improve greening and irrigation system, improve grass species, renovate bathrooms and boiling water roomsICCard and other water-saving measures, strengthen daily management of water-saving,w88 casino’s water conservation work has achieved great results.2003The average annual water consumption per capita in the w88 casino is33.12cubic meters，2010The annual per capita water consumption is19.01cubic meters, per capita water consumption decreased39.12%, the water saving effect is very significant. According to statistics,2010The annual per capita water consumption of Beijing universities is30ton.
(2) Actively carry out energy-saving transformation to achieve low-carbon emission reduction
1.Renovation of the water balance control system of the heating pipe network.200513853_13947Provide heat to achieve scientific and reasonable allocation of thermal energy supply and improve thermal efficiency utilization,Effectively achieve energy conservation and emission reduction. After the system is put into use, the annual standard coal saving833.87tons, save money124Ten thousand yuan.
2.Solar hot water system modification.w88 casino has installed solar collector panels4990square meters, daily production45℃The amount of hot water is383.2tons, the bathing water in the student dormitories, some domestic hot water, and the dishwashing water in the canteen are all heated by solar energy. Annual savings after energy audit3420.62tons of standard coal, saving costs624.5Ten thousand yuan.
3.Use solar energy to preheat and boil water.Using solar energy to preheat and then boil water, which saves the use of natural gas and greatly reduces the usage of natural gas. In the past, the daily cost of boiling water with natural gas was3500yuan, after switching to solar preheating and using electricity to boil water, the cost of boiling water every day is only510yuan, the required expenditure is one-seventh of that before the renovation.
4.Boiler flue gas waste heat recovery.w88 casino transformed the original gas boiler into a condensing waste heat recovery boiler. By using advanced heat pipe condenser equipment, the boiler exhaust smoke was reduced to a high temperature150degrees of waste heat is recovered and used for heating and circulating water back to48After about 16406 degrees, it enters the water supply system again, which indirectly increases the thermal efficiency of natural gas and reduces the usage of natural gas.Energy audit can save money every year80Ten thousand yuan.
5.Building exterior wall insulation renovation.w88 casino carried out exterior wall insulation renovation on the main teaching building built in the 1980s. The original steel windows were transformed into heat-insulating aluminum alloy windows, and exterior wall insulation materials were added. The insulation effect inside the building was significantly enhanced, and natural gas was saved annually10.5910,000 cubic meters, saving costs24.14Ten thousand yuan.
2004The equivalent annual gas consumption per capita of the w88 casino300.26Kilogram of standard coal,2010The equivalent annual gas consumption per capita in the w88 casino196.11Kilogram of standard coal. According to statistics, the per capita annual natural gas consumption in Beijing universities is equivalent to286Kilogram of standard coal.
(3) Comprehensively carry out scientific use of electricity and save electricity
200618644_18669
1.Replace all indoor lighting in the w88 casino with energy-saving lamps. In public areas of teaching buildings, office buildings, and student dormitories, human body sensors are used to control lighting equipment, so that lights turn off when people leave and turn on when people come, thus avoiding waste of electricity.
2.Smart meters are installed in student apartments and teaching buildings, and household metering transformation is implemented to achieve one meter for each household and one meter for each room, and encourage teachers and students to save electricity through management.
3.Carry out energy-saving renovations to each power distribution room in the w88 casino, replace transformers with large power losses and low efficiency with new high-energy-efficiency transformers, optimize the power configuration of each power distribution room, install an intelligent power dispatching and monitoring management system, and significantly reduce the power consumption of the equipment itself.
4.Install power-saving equipment in the lighting circuit of the power distribution room, and perform power-saving control from the transmission source. The power-saving device changes the lighting voltage from220volt drop200V, realizing reduced voltage lighting.
5.Change campus street lights to solar street lights to save electricity. w88 casino420street lamp (840light tubes) are all replaced with solar street lights, and wind-powered street lights are added in areas with suitable wind volume.
After the completion of the above power-saving projects, the annual electricity bill will be saved192.91Ten thousand yuan.2007w88 casino per capita annual electricity consumption equivalent72.77KilogramStandard coal,2010Annual per capita electricity consumption equivalent67.98KilogramStandard coal. Per capita electricity consumption has decreased compared with before the implementation of power-saving measures6.58%. According to statistics, the per capita electricity consumption in Beijing’s colleges and universities is equivalent to84KilogramStandard coal.
(4) Actively use new energy to build a green and low-carbon campus
w88 casino is building a new library (the building area is25,000square meters) The project uses a groundwater source heat pump air conditioning system, which extracts groundwater heat and cold sources for heating in winter and cooling in summer. Therefore, there is no need to use natural gas for heating and install a conventional air conditioning system, basically achieving zero emissions. After the library adopts a water-source heat pump air-conditioning system, the temperature remains within a comfortable range for the human body all year round. It is known as the most comfortable study and office space in w88 casino. According to statistics, after using water source heat pump cooling and heating, annual electricity consumption18.57Wandu, save natural gas20.3210,000 cubic meters, saving costs30.62Ten thousand yuan.
The scientific research building built last year (construction area22,470square meters) A ground source heat pump and an ecological air conditioning system at the end of the capillary network are used to provide cold and heat sources for the building to meet indoor heating in winter and cooling in summer. According to estimates, the scientific research building uses ground source heat pumps for heating and cooling, which can save electricity every year17.76Wandu, save natural gas18.2110,000 cubic meters, saving cost20.52Ten thousand yuan.
Three, some experiences
(1) Leadership attention is the key。Energy conservation and emission reduction, and building green and low-carbon campuses are inevitable requirements for colleges and universities to implement the Scientific Outlook on Development. They are also the social responsibilities of our country’s colleges and universities. Summarizing the work of w88 casino’s conservation-oriented campus construction in recent years, we feel that the key to energy conservation and emission reduction and building green and low-carbon campuses lies in leadership. If w88 casino leaders attach great importance to it and actively promote it, results will be achieved.
(2) Support and guidance from relevant national competent authorities is a guarantee。200425452_25496
(3) Green and low-carbon campus construction has important educational significance for students。The construction of green and low-carbon campuses can cultivate students' good habits of cherishing resources and caring for the environment, and will have an immeasurable impact on students' conscious implementation of the Scientific Outlook on Development after graduation and employment.
(4) Colleges and universities should attach great importance to it。The construction of green and low-carbon campuses is beneficial to the country and the people, and is a major event related to future generations. Colleges and universities should attach great importance to it.
