隨著國(guo)家對于農(nong)業轉型的扶持力度不斷加大,越來越多的農民開始涉足溫室(shi)大棚行業(ye),或(huo)是種植價值高的蔬菜瓜果,或(huo)是做農業(ye)采摘,生態餐廳(ting)等等。傳統(tong)的薄膜(mo)溫室(shi)被(bei)逐(zhu)漸摒棄,而pc陽光板在溫室大棚上的應用越來越多。那么,溫室大棚為什么要選用PC陽光板覆蓋呢?
事實上,在溫室(shi)覆(fu)蓋材料的選擇上,主(zhu)要基于陽(yang)光板(ban)以(yi)下不可替代的優勢:
一、良好的透光性
PC板(ban)溫(wen)(wen)室(shi)(shi)(shi)大(da)棚(peng)是采光(guang)(guang)(guang)建(jian)筑,因(yin)此建(jian)造PC板(ban)溫(wen)(wen)室(shi)(shi)(shi)大(da)棚(peng)時(shi)需要有良好的(de)透(tou)(tou)(tou)(tou)光(guang)(guang)(guang)效果,透(tou)(tou)(tou)(tou)光(guang)(guang)(guang)率(lv)(lv)是評價溫(wen)(wen)室(shi)(shi)(shi)透(tou)(tou)(tou)(tou)光(guang)(guang)(guang)性(xing)能的(de)一項基本指標(biao)。透(tou)(tou)(tou)(tou)光(guang)(guang)(guang)率(lv)(lv)是指透(tou)(tou)(tou)(tou)進溫(wen)(wen)室(shi)(shi)(shi)內的(de)光(guang)(guang)(guang)照量(liang)與室(shi)(shi)(shi)外(wai)光(guang)(guang)(guang)照量(liang)的(de)百分比。溫(wen)(wen)室(shi)(shi)(shi)透(tou)(tou)(tou)(tou)光(guang)(guang)(guang)率(lv)(lv)受溫(wen)(wen)室(shi)(shi)(shi)透(tou)(tou)(tou)(tou)光(guang)(guang)(guang)覆蓋材料(liao)透(tou)(tou)(tou)(tou)光(guang)(guang)(guang)性(xing)能和溫(wen)(wen)室(shi)(shi)(shi)骨架陰影率(lv)(lv)的(de)影響,而且隨著不同季節(jie)太(tai)陽輻(fu)射角度的(de)不同,溫(wen)(wen)室(shi)(shi)(shi)的(de)透(tou)(tou)(tou)(tou)光(guang)(guang)(guang)率(lv)(lv)也在隨時(shi)變化。
溫室透光率的(de)高低就成為作物(wu)生長和(he)選(xuan)擇種植作物(wu)品種的(de)直接(jie)影響(xiang)因(yin)素(su),而PC陽(yang)光(guang)板的透(tou)光(guang)率可媲美玻璃(li),優(you)質陽(yang)光(guang)板透(tou)光(guang)率可達(da)到85%以上(shang)。
二(er)、良(liang)好的(de)保(bao)溫(wen)性(xing)能
陽光板溫(wen)(wen)(wen)(wen)室(shi)大(da)(da)棚要(yao)注(zhu)意保(bao)(bao)溫(wen)(wen)(wen)(wen)性(xing)能(neng)(neng)(neng),提高溫(wen)(wen)(wen)(wen)室(shi)的保(bao)(bao)溫(wen)(wen)(wen)(wen)性(xing)能(neng)(neng)(neng),降(jiang)低能(neng)(neng)(neng)耗,是提高溫(wen)(wen)(wen)(wen)室(shi)生產效益(yi)的較(jiao)(jiao)直接手段。溫(wen)(wen)(wen)(wen)室(shi)的保(bao)(bao)溫(wen)(wen)(wen)(wen)比(bi)(bi)是衡(heng)量(liang)溫(wen)(wen)(wen)(wen)室(shi)保(bao)(bao)溫(wen)(wen)(wen)(wen)性(xing)能(neng)(neng)(neng)的一(yi)項基(ji)本指(zhi)標。溫(wen)(wen)(wen)(wen)室(shi)保(bao)(bao)溫(wen)(wen)(wen)(wen)比(bi)(bi)是指(zhi)熱(re)(re)阻(zu)較(jiao)(jiao)小的溫(wen)(wen)(wen)(wen)室(shi)透(tou)光材(cai)料覆蓋面積與熱(re)(re)阻(zu)較(jiao)(jiao)大(da)(da)的溫(wen)(wen)(wen)(wen)室(shi)圍護結構(gou)覆蓋面積同地面積之和的比(bi)(bi)。保(bao)(bao)溫(wen)(wen)(wen)(wen)比(bi)(bi)越(yue)大(da)(da),說明(ming)溫(wen)(wen)(wen)(wen)室(shi)的保(bao)(bao)溫(wen)(wen)(wen)(wen)性(xing)能(neng)(neng)(neng)越(yue)好。而PC中空陽光板(ban)因其特殊的中空結構,保(bao)溫性能更加優越,作用(yong)于溫室大棚項(xiang)目中更實用(yong)。
三、良好的(de)耐久性(xing)
PC陽光板溫室大(da)棚建(jian)設必須要考(kao)慮其耐久性,傳統的薄膜(mo)大(da)棚可(ke)能一年就得更換,但PC陽光板質量(liang)好的質保可(ke)達十年,用上十幾年不成(cheng)什么問(wen)題,大(da)大(da)幫助(zhu)客戶節省掉更換覆蓋材料的時間和人工。
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