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地(di)址:重慶市江津區(qu)雙福新區(qu)福星大道937號鑫(xin)成瑞暖通廠區(qu)
1、消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)能(neng)(neng)(neng):鍍(du)鋅(xin)薄(bo)鋼(gang)板風(feng)(feng)(feng)(feng)管(guan)(guan):無(wu)(wu)(wu)消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)能(neng)(neng)(neng),自身(shen)震(zhen)動會產(chan)(chan)生聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音,必須加裝(zhuang)(zhuang)消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)。無(wu)(wu)(wu)機玻(bo)璃鋼(gang)風(feng)(feng)(feng)(feng)管(guan)(guan):無(wu)(wu)(wu)消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)能(neng)(neng)(neng),隔聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)性(xing)能(neng)(neng)(neng)優于(yu)鍍(du)鋅(xin)薄(bo)鋼(gang)板風(feng)(feng)(feng)(feng)管(guan)(guan),必須加裝(zhuang)(zhuang)消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)。復(fu)合(he)玻(bo)纖(xian)板風(feng)(feng)(feng)(feng)管(guan)(guan):其管(guan)(guan)壁(bi)(bi)是(shi)一種多(duo)孔性(xing)吸(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)材料(liao),可省(sheng)去(qu)專用消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)。纖(xian)維織物風(feng)(feng)(feng)(feng)管(guan)(guan):其管(guan)(guan)壁(bi)(bi)為(wei)(wei)柔性(xing)纖(xian)維織物,本身(shen)就(jiu)是(shi)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音的不良導(dao)體(ti)和吸(xi)(xi)收(shou)體(ti),自身(shen)不會產(chan)(chan)生聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)音,還可以一定程度(du)上吸(xi)(xi)收(shou)設(she)備噪聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng),隨著管(guan)(guan)道(dao)的延長,效果更為(wei)(wei)明顯,可省(sheng)去(qu)專用消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)。2、保溫(wen)性(xing)能(neng)(neng)(neng):鍍(du)鋅(xin)薄(bo)鋼(gang)板風(feng)(feng)(feng)(feng)管(guan)(guan):導(dao)熱系(xi)數(shu)很大(為(wei)(wei)60.4 W/m?K),無(wu)(wu)(wu)保溫(wen)性(xing)能(neng)(neng)(neng),必須另外(wai)加包保溫(wen)層(ceng)及保護層(ceng)。無(wu)(wu)(wu)機玻(bo)璃鋼(gang)風(feng)(feng)(feng)(feng)管(guan)(guan):導(dao)熱系(xi)數(shu)大(為(wei)(wei)0.5W/m?K),無(wu)(wu)(wu)保溫(wen)性(xing)能(neng)(neng)(neng)。復(fu)合(he)玻(bo)纖(xian)板風(feng)(feng)(feng)(feng)管(guan)(guan):導(dao)熱系(xi)數(shu)小(平均溫(wen)度(du)24℃時小于(yu)1W/m?K),有一定保溫(wen)性(xing)能(neng)(neng)(neng),不加裝(zhuang)(zhuang)保溫(wen)。
1. 技術背景(jing),在(zai)焊(han)(han)(han)接(jie)(jie)接(jie)(jie)頭(tou)中(zhong)由于焊(han)(han)(han)接(jie)(jie)所引起的(de)(de)(de)各(ge)種(zhong)(zhong)裂紋(wen)(wen)(wen),統稱焊(han)(han)(han)接(jie)(jie)裂紋(wen)(wen)(wen)。焊(han)(han)(han)接(jie)(jie)裂紋(wen)(wen)(wen)在(zai)焊(han)(han)(han)縫金屬與熱(re)影響(xiang)區中(zhong)都(dou)可能(neng)產(chan)(chan)生,是(shi)(shi)焊(han)(han)(han)接(jie)(jie)凝固冶金和固相(xiang)冶金過程(cheng)(cheng)中(zhong)產(chan)(chan)生為(wei)危(wei)險(xian)的(de)(de)(de)一種(zhong)(zhong)缺陷(xian)。焊(han)(han)(han)接(jie)(jie)結構產(chan)(chan)生的(de)(de)(de)破壞事故大(da)部(bu)分(fen)都(dou)是(shi)(shi)焊(han)(han)(han)接(jie)(jie)裂紋(wen)(wen)(wen)所引起的(de)(de)(de)。隨著現(xian)代(dai)工(gong)業的(de)(de)(de)發展,焊(han)(han)(han)接(jie)(jie)結構也(ye)趨(qu)向大(da)型化、大(da)容(rong)量(liang)和高參數(shu)發展。有(you)的(de)(de)(de)在(zai)低溫、腐(fu)蝕(shi)介質下工(gong)作(zuo),也(ye)有(you)的(de)(de)(de)在(zai)高溫高壓下工(gong)作(zuo),廣泛都(dou)用到各(ge)種(zhong)(zhong)高合(he)金鋼、不銹鋼,以及種(zhong)(zhong)種(zhong)(zhong)合(he)金材(cai)料。這(zhe)些材(cai)料往往都(dou)對裂紋(wen)(wen)(wen)十分(fen)敏感,而裂紋(wen)(wen)(wen)卻又是(shi)(shi)大(da)多重大(da)事故的(de)(de)(de)誘因,必(bi)須(xu)十分(fen)重視。焊(han)(han)(han)接(jie)(jie)裂紋(wen)(wen)(wen)種(zhong)(zhong)類繁多,產(chan)(chan)生的(de)(de)(de)條件和原因各(ge)不相(xiang)同。有(you)些裂紋(wen)(wen)(wen)在(zai)焊(han)(han)(han)后立即(ji)產(chan)(chan)生了,有(you)些在(zai)焊(han)(han)(han)后延(yan)續一定時間再(zai)產(chan)(chan)生,甚至在(zai)使用過程(cheng)(cheng)中(zhong),在(zai)一定的(de)(de)(de)外(wai)界條件誘發下再(zai)產(chan)(chan)生。裂紋(wen)(wen)(wen)既出(chu)現(xian)在(zai)焊(han)(han)(han)縫和熱(re)影響(xiang)區表面,也(ye)產(chan)(chan)生在(zai)其內部(bu)。它對焊(han)(han)(han)接(jie)(jie)結構的(de)(de)(de)危(wei)害有(you)以下幾點。
風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)是(shi)(shi)(shi)(shi)依靠輸入(ru)的(de)(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)能(neng),提高氣(qi)(qi)體(ti)壓(ya)(ya)力(li)并排(pai)送(song)氣(qi)(qi)體(ti)的(de)(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie),它是(shi)(shi)(shi)(shi)一種從動(dong)的(de)(de)(de)流體(ti)機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)。風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)是(shi)(shi)(shi)(shi)我國對氣(qi)(qi)體(ti)壓(ya)(ya)縮(suo)(suo)和(he)(he)(he)氣(qi)(qi)體(ti)輸送(song)機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)的(de)(de)(de)習慣簡稱,通(tong)常所說(shuo)的(de)(de)(de)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)包括(kuo)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji),鼓(gu)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji),壓(ya)(ya)縮(suo)(suo)機(ji)(ji)(ji)(ji)(ji)(ji)以及羅茨鼓(gu)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji),離心式風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji),回轉(zhuan)(zhuan)式風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji),水環式風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji),但是(shi)(shi)(shi)(shi)不包括(kuo)活塞壓(ya)(ya)縮(suo)(suo)機(ji)(ji)(ji)(ji)(ji)(ji)等容(rong)積式鼓(gu)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)和(he)(he)(he)壓(ya)(ya)縮(suo)(suo)機(ji)(ji)(ji)(ji)(ji)(ji)。氣(qi)(qi)體(ti)壓(ya)(ya)縮(suo)(suo)和(he)(he)(he)氣(qi)(qi)體(ti)輸送(song)機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)是(shi)(shi)(shi)(shi)把(ba)旋轉(zhuan)(zhuan)的(de)(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)轉(zhuan)(zhuan)換為氣(qi)(qi)體(ti)壓(ya)(ya)力(li)能(neng)和(he)(he)(he)動(dong)能(neng),并將(jiang)氣(qi)(qi)體(ti)輸送(song)出去的(de)(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)械(xie)(xie)。風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)主要由風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)葉(xie)、百葉(xie)窗(chuang)、開(kai)窗(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)構、電機(ji)(ji)(ji)(ji)(ji)(ji)、皮帶輪、進風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)罩、內框架(jia)、機(ji)(ji)(ji)(ji)(ji)(ji)殼、安全網等部(bu)件(jian)組(zu)成(cheng)。開(kai)機(ji)(ji)(ji)(ji)(ji)(ji)時(shi)由電機(ji)(ji)(ji)(ji)(ji)(ji)驅動(dong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)葉(xie)旋轉(zhuan)(zhuan),并使開(kai)窗(chuang)機(ji)(ji)(ji)(ji)(ji)(ji)構打開(kai)百葉(xie)窗(chuang)排(pai)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)。停機(ji)(ji)(ji)(ji)(ji)(ji)時(shi)百葉(xie)窗(chuang)自動(dong)關(guan)閉(bi)。風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)廣泛用(yong)于工(gong)廠、礦(kuang)井、隧道、冷卻(que)塔(ta)、車輛、船舶和(he)(he)(he)建筑物的(de)(de)(de)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)、排(pai)塵和(he)(he)(he)冷卻(que);鍋爐和(he)(he)(he)工(gong)業爐窯的(de)(de)(de)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)和(he)(he)(he)引風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng);空氣(qi)(qi)調節(jie)設備(bei)和(he)(he)(he)家用(yong)電器設備(bei)中(zhong)的(de)(de)(de)冷卻(que)和(he)(he)(he)通(tong)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng);谷(gu)物的(de)(de)(de)烘干和(he)(he)(he)選送(song);風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)洞風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)源和(he)(he)(he)氣(qi)(qi)墊(dian)船的(de)(de)(de)充氣(qi)(qi)和(he)(he)(he)推進等。
現(xian)階(jie)段是(shi)很多雞(ji)舍都(dou)配(pei)備了通(tong)風(feng)(feng)管,我(wo)是(shi)2013年開(kai)始用(yong)(yong)的通(tong)風(feng)(feng)管,在(zai)使(shi)用(yong)(yong)過(guo)程(cheng)中,曾經出(chu)(chu)現(xian)過(guo)很多問題(ti),現(xian)總結一下,歡迎拍磚交流。一,通(tong)風(feng)(feng)管的作(zuo)用(yong)(yong)。1降(jiang)低(di)操作(zuo)負(fu)壓(ya)。冬(dong)季(ji)沒安裝通(tong)風(feng)(feng)管的雞(ji)舍,使(shi)用(yong)(yong)小窗通(tong)風(feng)(feng),尤其是(shi)跨度大的雞(ji)舍為了導風(feng)(feng)合(he)(he)理安全,使(shi)用(yong)(yong)高(gao)負(fu)壓(ya)通(tong)風(feng)(feng)。而使(shi)用(yong)(yong)通(tong)風(feng)(feng)管道,由于進(jin)風(feng)(feng)在(zai)管道內基(ji)本不(bu)擴散(san)(san),低(di)負(fu)壓(ya)下都(dou)是(shi)按照風(feng)(feng)管方(fang)向(xiang),依(yi)次(ci)從開(kai)口處出(chu)(chu)風(feng)(feng)。2位(wei)置高(gao),出(chu)(chu)風(feng)(feng)均勻。進(jin)風(feng)(feng)雖然在(zai)管道內沒有預熱,但下落位(wei)置高(gao),向(xiang)下擴散(san)(san)時間就是(shi)預熱過(guo)程(cheng)。3跟風(feng)(feng)機配(pei)合(he)(he)合(he)(he)理配(pei)置,在(zai)初始開(kai)啟風(feng)(feng)機階(jie)段,由于設計問題(ti)導致進(jin)風(feng)(feng)窗使(shi)用(yong)(yong)不(bu)安全,可以(yi)利用(yong)(yong)通(tong)風(feng)(feng)管過(guo)渡。
防火閥:采用70℃溫度熔斷器自動關閉(防火).可輸出聯動訊號,用于通風空調系統風管內,值得信賴的風機防止火勢沿風管蔓延。排煙防火閥:電訊號開啟,手動開啟,輸出動作電訊號.用于排煙風機吸入口管道或排煙支管上。風機采(cai)用280℃溫(wen)度熔斷器重新關(guan)閉。防火閥(fa)——通風(feng)空(kong)調系(xi)統(tong)70℃:風(feng)管(guan)穿越防火分區(qu)、隔墻樓(lou)板、水平風(feng)管(guan)的(de)水平管(guan)段上(系(xi)統(tong)獨立設(she)置可不設(she))、公共建(jian)筑(zhu)豎向排(pai)(pai)(pai)風(feng)管(guan)支管(guan);150℃:公共建(jian)筑(zhu)廚房排(pai)(pai)(pai)油煙(yan)管(guan)支管(guan);排(pai)(pai)(pai)煙(yan)防火閥(fa)——消(xiao)防排(pai)(pai)(pai)煙(yan)系(xi)統(tong)280℃:消(xiao)防排(pai)(pai)(pai)煙(yan)管(guan)道;