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      雙語丨浙江首個“不拆瓦”建筑光伏一體化項目在舟山投運

      作者:鮑群薇 陳炯

      2022-01-21 09:03:22 來源:英大傳媒網  瀏覽量:

      字號
        2022年1月18日,由浙江舟山供電公司自主研發建造的浙江省首個“不拆瓦”光伏建筑一體化屋頂光伏項目正式投運,該項目既能提升屋頂面積利用率,又能保留屋頂彩鋼瓦以節約施工成本,有效降低高空作業風險,極具推廣建設潛力。
        On January 18, 2022, the first "no tile removal" building-photovoltaic integrated project in Zhejiang Province, independently developed and constructed by State Grid Zhoushan Power Supply Company, officially put into operation. This project can not only improve the utilization rate of roof area, but also retain color steel tiles on the rooftop, effectively reduce the risk of working at heights and has widely promotion potential.
        據悉,該項目位于舟山市萬邦船舶重工有限公司,在整體并網后預計每年發電可達650萬千瓦時,相當于節省原煤消耗2626噸、減少二氧化碳近5148噸,每年可幫助企業節約電費302.7萬元,為舟山清潔能源發展貢獻力量。
        The project is located in IMC Shipping (Zhoushan) Co.,Ltd..And after the grid connection, it is expected to generate 6.5 million kWh of electricity per year, which is equivalent to saving 2,626 tons of raw coal consumption and nearly 5,148 tons of carbon dioxide emission, save over 3 million yuan in electricity bills every year for the enterprise, and contribute to the development of clean energy in Zhoushan.
        舟山擁有1300多小時的太陽能年利用時間,是浙江日照條件最好的地區之一。歷經多次技術變革與工藝進化,光伏發電在舟山已成為構建新型電力系統的重要清潔能源。
        Zhoushan has more than 1,300 hours of annual solar energy utilization, one of the best sunshine conditions in Zhejiang. After several round of technological evolution, photovoltaic power generation has become an important clean energy source for building the new type of power system in Zhoushan.
        據了解,傳統的太陽能光伏發電系統需附著在建筑物屋頂,通過砌筑水泥墩,安裝固定光伏板支架,對建筑屋頂承重能力有較高要求。據統計,一平方米太陽能光伏發電系統光伏板需砌筑2個水泥墩合計重量超過500斤,在此基礎上疊加光伏板及其支架的自身重量,累計重量約600斤,這極大程度地限制了屋頂光伏的應用范圍。
        The traditional photovoltaic power generation system needs to be attached to the rooftop of the building, by building cement piers and installing photovoltaic panel brackets, which requires high load-bearing capacity of the building rooftop. According to statistics, one square meter of photovoltaic panels needs to build two cement piers with a total weight of more than 250 kg. On this basis, the weight of the photovoltaic panels and their brackets is about 300 kg, which greatly limits the application scope of rooftop photovoltaics.
        與時俱進,建筑光伏一體化系統應運而生。該技術利用光伏組件代替部分建筑材料,將光伏系統支撐結構與建筑物結構巧妙結合、融為一體,在提升光伏設施安全穩定性的基礎上,促進建筑構件材料保溫隔熱功能與光伏發電功能有機融合,通過吸收太陽能轉換為電能,起到降低屋頂墻面升溫、改善室內溫度、減少建筑能耗等節能環保的積極作用。同時,建筑光伏一體化系統設有一套完整的屋頂排水系統,讓建筑屋頂與光伏組件實現同等產品壽命,確保在自然條件下25年以上的使用年限,進一步減少屋頂彩鋼瓦維修更換費用。此外,建筑光伏一體化系統采用光伏板平鋪屋面的方式,促進屋頂面積利用率提高70%以上,成倍式增加發電裝機容量,顛覆了光伏板傾斜式安裝模式,進一步提升建筑物外部結構的一體化美感。
        Keeping pace with the times, the building-photovoltaic integrated system came into being. This technology uses photovoltaic modules to replace certain building materials, and combines the photovoltaic system support structure with the building structure. On the basis of improving the safety and stability of photovoltaic facilities, it promotes the integration of thermal insulation components of the building and photovoltaic power generation functions. By absorbing solar energy and converting it into electrical energy, it can play an active role in energy conservation and environmental protection such as reducing the temperature of roofs and walls, improving indoor temperature, and reducing building energy consumption. At the same time, the building-photovoltaic integrated system is equipped with a complete roof drainage system, so that the building roof and photovoltaic modules can achieve the same product life, ensure a service life of more than 25 years under natural conditions, to further reduce the maintenance and replacement costs of roof color steel tiles. In addition, the building-photovoltaic integrated system adopts the method of tiling the photovoltaic panels on the rooftop, which increases the utilization rate by more than 70%, doubles the installed capacity of power generation, compared to the traditional inclined installation mode, and further beautifies the external image of the building.
        相比新建建筑鋪設新型光伏屋頂的長期性經濟優勢,對于已建廠房而言,建筑光伏一體化系統前期準備工作中原彩鋼瓦屋頂的拆除費用也不容小覷。以舟山萬邦船廠為例,10560平方米屋頂面積,彩鋼瓦拆除費用約100萬,在整體項目中費用占比12.7%。這也直接導致建筑光伏一體化系統在市場推廣過程中困難重重。
        Compared with the long-term economic advantages of laying a new photovoltaic rooftop in new buildings, the cost of removing the original color steel tiles on the rooftop is expensive. Taking IMC Shipping (Zhoushan) Co.,Ltd. as an example, with a roofop area of 10,560 square meters, the cost of removing color steel tiles is about 1 million yuan, about 12.7% of the overall project cost, which is frequently encountered difficulty in the market promotion of building-photovoltaic integrated systems.
        直擊痛點,浙江舟山供電公司創新研發“不拆瓦”建筑光伏一體化系統安裝工藝,以“填平”的彩鋼瓦屋頂為基礎鋪設排水系統,并利用穿透彩鋼瓦,將光伏板支架與屋頂鋼結構牢固連接。一方面,能有效節省約30%的安裝成本,提升建筑光伏一體化項目整體經濟性、適用性;另一方面,“不拆瓦”意味著大幅降低高空作業的安全風險,不僅減少了施工難度,而且避免了企業停工進行建筑光伏一體化項目作業的損失,促進屋頂光伏項目簽約率持續提升。
        Thus, State Grid Zhoushan Power Supply Company innovatively developed the "no tile removal" building-photovoltaic integrated system installation method, which is to lay a drainage system based on the "filled-in" color steel tile roofop, and install the photovoltaic panels by penetrating color steel tiles to make the bracket firmly connected to the rooftop steel structure. On the one hand, it can save about 30% of the installation cost; on the other hand, "no tile removal" means that not only the reduction of safety risks of working at heights and the difficulties of construction work, and also avoid the loss of the enterprises during the construction process, which will greatly promote the rooftop photovoltaic projects in Zhoushan.
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