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地址:重(zhong)慶(qing)市江津區雙福(fu)新區福(fu)星(xing)大道937號鑫成瑞暖通廠(chang)區
風(feng)機(ji)(ji)(ji)分類可以(yi)按氣(qi)(qi)(qi)體流(liu)動(dong)(dong)(dong)的(de)(de)方向,分為離心式、軸(zhou)流(liu)式、斜(xie)流(liu)式和(he)橫流(liu)式等(deng)類型(xing)。這種風(feng)機(ji)(ji)(ji)分類的(de)(de)機(ji)(ji)(ji)器有:離心風(feng)機(ji)(ji)(ji)工作(zuo)時,動(dong)(dong)(dong)力(li)機(ji)(ji)(ji)(主(zhu)要(yao)(yao)是(shi)電(dian)動(dong)(dong)(dong)機(ji)(ji)(ji))驅(qu)動(dong)(dong)(dong)葉(xie)輪(lun)(lun)在(zai)蝸(gua)形機(ji)(ji)(ji)殼(ke)內旋轉(zhuan),空(kong)氣(qi)(qi)(qi)經吸氣(qi)(qi)(qi)口從葉(xie)輪(lun)(lun)中心處吸入。由于葉(xie)片對氣(qi)(qi)(qi)體的(de)(de)動(dong)(dong)(dong)力(li)作(zuo)用(yong)(yong),氣(qi)(qi)(qi)體壓力(li)和(he)速度得(de)以(yi)提高,并在(zai)離心力(li)作(zuo)用(yong)(yong)下(xia)沿著葉(xie)道甩向機(ji)(ji)(ji)殼(ke),從排(pai)氣(qi)(qi)(qi)口排(pai)出(chu)。因氣(qi)(qi)(qi)體在(zai)葉(xie)輪(lun)(lun)內的(de)(de)流(liu)動(dong)(dong)(dong)主(zhu)要(yao)(yao)是(shi)在(zai)徑向平面內,故又(you)稱徑流(liu)風(feng)機(ji)(ji)(ji)。離心風(feng)機(ji)(ji)(ji)主(zhu)要(yao)(yao)由葉(xie)輪(lun)(lun)和(he)機(ji)(ji)(ji)殼(ke)組成,小型(xing)風(feng)機(ji)(ji)(ji)的(de)(de)葉(xie)輪(lun)(lun)直(zhi)接(jie)裝在(zai)電(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)上中、大型(xing)風(feng)機(ji)(ji)(ji)通(tong)過聯(lian)軸(zhou)器或皮帶輪(lun)(lun)與(yu)電(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)聯(lian)接(jie)。離心風(feng)機(ji)(ji)(ji)一般(ban)為單側進氣(qi)(qi)(qi),用(yong)(yong)單級葉(xie)輪(lun)(lun);流(liu)量大的(de)(de)可雙側進氣(qi)(qi)(qi),用(yong)(yong)兩個背靠背的(de)(de)葉(xie)輪(lun)(lun),又(you)稱為雙吸式離心風(feng)機(ji)(ji)(ji)。
鑒于(yu)軸流風(feng)(feng)機(ji)(ji)(ji)有紊流區(qu)(qu)的(de)(de)(de)性能特點,在(zai)(zai)(zai)選型(xing)和使用(yong)(yong)時(shi),需要注意以下(xia)兩點:建(jian)議使用(yong)(yong)在(zai)(zai)(zai)空(kong)曠環境中(zhong)(zhong),軸流風(feng)(feng)機(ji)(ji)(ji)的(de)(de)(de)輸入(ru)功率(lv)隨系統(tong)靜壓的(de)(de)(de)增(zeng)(zeng)大而增(zeng)(zeng)大,而在(zai)(zai)(zai)紊流區(qu)(qu),輸入(ru)功率(lv)的(de)(de)(de)增(zeng)(zeng)大幅度會更大。因此,軸流風(feng)(feng)機(ji)(ji)(ji)一(yi)般多應用(yong)(yong)在(zai)(zai)(zai)有較(jiao)大空(kong)曠環境的(de)(de)(de)場合下(xia),可以使其工(gong)作在(zai)(zai)(zai)靜壓較(jiao)低的(de)(de)(de)環境下(xia),降(jiang)低功耗,保證穩定性和壽命。定期(qi)清理(li)風(feng)(feng)道(dao),當(dang)軸流風(feng)(feng)機(ji)(ji)(ji)應用(yong)(yong)在(zai)(zai)(zai)較(jiao)為封閉的(de)(de)(de)風(feng)(feng)道(dao)系統(tong)中(zhong)(zhong)時(shi),長(chang)期(qi)運(yun)行(xing)后(hou)風(feng)(feng)道(dao)中(zhong)(zhong)的(de)(de)(de)積灰、垃圾逐漸(jian)(jian)變(bian)多,會使風(feng)(feng)道(dao)內的(de)(de)(de)靜壓逐漸(jian)(jian)增(zeng)(zeng)加(jia),使得風(feng)(feng)機(ji)(ji)(ji)的(de)(de)(de)運(yun)行(xing)工(gong)況點逐漸(jian)(jian)左(zuo)移。這不(bu)僅會降(jiang)低風(feng)(feng)機(ji)(ji)(ji)性能,更重(zhong)要的(de)(de)(de)是會增(zeng)(zeng)加(jia)軸流風(feng)(feng)機(ji)(ji)(ji)進(jin)入(ru)紊流區(qu)(qu)的(de)(de)(de)風(feng)(feng)險。因此必須要定期(qi)清理(li)風(feng)(feng)道(dao),保證風(feng)(feng)機(ji)(ji)(ji)工(gong)況點不(bu)產生較(jiao)大偏移。
(1)風(feng)(feng)管(guan)(guan)(guan)布置應(ying)(ying)(ying)(ying)盡量采用沿(yan)墻壁鋪設的方法,這(zhe)樣在(zai)終裝(zhuang)(zhuang)(zhuang)修時(shi)可(ke)形成凹凸頂結(jie)構,既保持了室內的凈高,又使風(feng)(feng)管(guan)(guan)(guan)得到屏蔽(bi),可(ke)以(yi)起到較好的裝(zhuang)(zhuang)(zhuang)修效果(guo);(2)風(feng)(feng)管(guan)(guan)(guan)在(zai)布置時(shi)應(ying)(ying)(ying)(ying)盡量短(duan),彎頭(tou)(tou)不宜過多,轉角半徑(jing)(jing)不宜過小,并盡量避免管(guan)(guan)(guan)道突變(bian)徑(jing)(jing),以(yi)減少沿(yan)程(cheng)壓力的損失;(3)風(feng)(feng)管(guan)(guan)(guan)安(an)(an)裝(zhuang)(zhuang)(zhuang)時(shi)不應(ying)(ying)(ying)(ying)破壞原(yuan)有(you)(you)建(jian)筑的結(jie)構,特別是承重結(jie)構;(4)風(feng)(feng)管(guan)(guan)(guan)穿過墻壁處,其孔洞四周的縫隙,應(ying)(ying)(ying)(ying)使用彈性(xing)材(cai)料填充(chong)密實;(5)為了降低噪(zao)聲,風(feng)(feng)管(guan)(guan)(guan)的始(shi)端(與送風(feng)(feng)機連接處)不宜急彎,必(bi)要時(shi),彎頭(tou)(tou)和三(san)通支管(guan)(guan)(guan)等(deng)處應(ying)(ying)(ying)(ying)裝(zhuang)(zhuang)(zhuang)設導流葉片;(6)風(feng)(feng)管(guan)(guan)(guan)的連接應(ying)(ying)(ying)(ying)嚴(yan)格按(an)照(zhao)規范(fan)進行,粘貼應(ying)(ying)(ying)(ying)牢(lao)固、鋪設應(ying)(ying)(ying)(ying)平整(zheng)、綁扎應(ying)(ying)(ying)(ying)緊密,無滑動(dong)、松弛(chi)與斷裂(lie)現象,防止漏冷(leng)(熱(re));(7)輸(shu)送易產生冷(leng)凝水(shui)空(kong)氣的風(feng)(feng)管(guan)(guan)(guan),一定要按(an)設計(ji)要求(qiu)的坡度(du)安(an)(an)裝(zhuang)(zhuang)(zhuang);(8)安(an)(an)裝(zhuang)(zhuang)(zhuang)要牢(lao)固,所(suo)有(you)(you)吊、支、托架不得妨礙風(feng)(feng)口(kou)、閥(fa)門、控(kong)制系統(tong)及檢查門的操(cao)作,并作良好的防銹處理;(9)新風(feng)(feng)管(guan)(guan)(guan)安(an)(an)裝(zhuang)(zhuang)(zhuang)除應(ying)(ying)(ying)(ying)遵(zun)守送風(feng)(feng)管(guan)(guan)(guan)道安(an)(an)裝(zhuang)(zhuang)(zhuang)規定外,還應(ying)(ying)(ying)(ying)按(an)設計(ji)要求(qiu)作有(you)(you)坡度(du)安(an)(an)裝(zhuang)(zhuang)(zhuang)(坡向新風(feng)(feng)口(kou));(10)新風(feng)(feng)口(kou)要有(you)(you)防雨和過濾網(wang)罩,安(an)(an)裝(zhuang)(zhuang)(zhuang)位置應(ying)(ying)(ying)(ying)選(xuan)在(zai)空(kong)氣不受(shou)污染的地(di)方且便于(yu)檢修。
排(pai)煙(yan)防(fang)火(huo)閥在火(huo)災(zai)發生時起到重要(yao)(yao)的保(bao)護作(zuo)用,因此其(qi)(qi)安全及(ji)(ji)耐(nai)高溫性能要(yao)(yao)好。那么大家(jia)對其(qi)(qi)還有(you)(you)哪(na)些(xie)了解呢(ni)?下面就(jiu)跟隨簡要(yao)(yao)了解下其(qi)(qi)主要(yao)(yao)功(gong)能及(ji)(ji)相關(guan)優勢吧。這款排(pai)煙(yan)防(fang)火(huo)閥輸入DC24V電(dian)(dian)信(xin)號,電(dian)(dian)磁鐵動(dong)(dong)(dong)作(zuo)、閥門敏捷敞開(kai)(kai);手動(dong)(dong)(dong)封(feng)閉,手動(dong)(dong)(dong)復位敞開(kai)(kai);可輸出閥門開(kai)(kai)封(feng)閉信(xin)號及(ji)(ji)聯鎖操控信(xin)號;0°~90°范圍(wei)內手動(dong)(dong)(dong)調理葉片(pian)敞開(kai)(kai)度;(調理型)。其(qi)(qi)主要(yao)(yao)優勢有(you)(you):1.漏風(feng)量(liang)低、氣密功(gong)能好;2.電(dian)(dian)動(dong)(dong)(dong)敞開(kai)(kai)耗費(fei)電(dian)(dian)流小;3.防(fang)腐功(gong)能強(qiang),運用壽命(ming)長;4.執行機構驅動(dong)(dong)(dong)靈敏,反應(ying)、聯鎖信(xin)號精(jing)確。
消聲器是利用聲的吸收、反射、干涉等原理,降低通風與空調系統中氣流噪聲的裝置。畢節不銹鋼通風管根據消聲原理的不同可以分為阻性、抗性、共振型和復合型等。一、阻性消聲器,阻性消聲器利用吸聲材料的吸聲作用而消聲的。其構造是把吸聲材料固定在氣流流動的管道內壁,推薦不銹鋼通風管或按一(yi)(yi)定方式排列在(zai)管道(dao)或殼體內構成阻(zu)性消聲器,吸聲材料能(neng)夠(gou)把入射在(zai)其上(shang)的(de)(de)聲能(neng)部分(fen)地吸收(shou)掉。聲能(neng)之所(suo)以能(neng)被吸收(shou),是由于吸聲材料的(de)(de)多孔性和松散性。當聲波進入孔隙,引起孔隙中的(de)(de)空(kong)氣(qi)和材料產生微小的(de)(de)振動,由于摩擦(ca)和粘滯(zhi)阻(zu)力。使相當一(yi)(yi)部分(fen)聲能(neng)化(hua)為熱能(neng)而被吸收(shou)掉。
風(feng)(feng)(feng)管(guan)(guan)主(zhu)要指中央空調系(xi)統的通風(feng)(feng)(feng)管(guan)(guan)道(dao),它常(chang)常(chang)被忽視,但(dan)卻(que)是空調系(xi)統的重要組成部分,目前(qian)常(chang)見的風(feng)(feng)(feng)管(guan)(guan)主(zhu)要有(you)四種:1)鍍(du)鋅薄鋼板(ban)風(feng)(feng)(feng)管(guan)(guan);2)無(wu)(wu)機玻璃鋼風(feng)(feng)(feng)管(guan)(guan);3)復合(he)(he)玻纖(xian)板(ban)風(feng)(feng)(feng)管(guan)(guan);4)纖(xian)維織物風(feng)(feng)(feng)管(guan)(guan)。鍍(du)鋅薄鋼板(ban)風(feng)(feng)(feng)管(guan)(guan):早使用(yong)的風(feng)(feng)(feng)管(guan)(guan),采用(yong)鍍(du)鋅薄鋼板(ban)制(zhi)(zhi)作(zuo),適(shi)合(he)(he)含濕(shi)量小的一般性(xing)氣(qi)體的輸送,有(you)易生銹,無(wu)(wu)保(bao)溫(wen)和消(xiao)聲(sheng)(sheng)功能,制(zhi)(zhi)作(zuo)安裝周(zhou)期長的特點。無(wu)(wu)機玻璃鋼風(feng)(feng)(feng)管(guan)(guan):較(jiao)新的風(feng)(feng)(feng)管(guan)(guan)類型,采用(yong)玻璃纖(xian)維增強無(wu)(wu)機材料(liao)制(zhi)(zhi)作(zuo),遇火(huo)不燃、耐腐蝕、份(fen)量重,硬度大但(dan)較(jiao)脆,受自重影響易變(bian)形酥裂,無(wu)(wu)保(bao)溫(wen)和消(xiao)聲(sheng)(sheng)性(xing)能,制(zhi)(zhi)作(zuo)安裝周(zhou)期長。