貴陽推薦廚房排煙管道批發

什么是(shi)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，常(chang)見風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)有哪些(xie)類型，風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)主要指(zhi)中(zhong)(zhong)央(yang)空(kong)(kong)調系統(tong)的(de)(de)通風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道，它常(chang)常(chang)被忽視，但卻是(shi)空(kong)(kong)調系統(tong)的(de)(de)重要組成部分(fen)。風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)是(shi)由薄鋼(gang)板、鋁(lv)板、硬(ying)聚氯乙(yi)烯(xi)板、玻(bo)璃(li)鋼(gang)以(yi)(yi)及其(qi)它復合(he)(he)材(cai)(cai)料等(deng)制成的(de)(de)，用(yong)于輸送空(kong)(kong)氣(qi)和空(kong)(kong)氣(qi)混合(he)(he)物的(de)(de)各種管(guan)(guan)(guan)(guan)(guan)(guan)(guan)道的(de)(de)總稱。1、按(an)照(zhao)材(cai)(cai)質可(ke)分(fen)為(wei)：金(jin)(jin)屬(shu)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、非金(jin)(jin)屬(shu)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。其(qi)中(zhong)(zhong)：（1）金(jin)(jin)屬(shu)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)又(you)可(ke)分(fen)為(wei)：鋼(gang)板風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、鋁(lv)板風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、不(bu)銹鋼(gang)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)；（2）非金(jin)(jin)屬(shu)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)可(ke)以(yi)(yi)分(fen)為(wei)：硬(ying)聚氯乙(yi)烯(xi)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、有機(ji)玻(bo)璃(li)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、無機(ji)玻(bo)璃(li)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、玻(bo)璃(li)鋼(gang)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)以(yi)(yi)及其(qi)它復合(he)(he)材(cai)(cai)料風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)；2、按(an)照(zhao)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)外形(xing)可(ke)分(fen)為(wei)：圓形(xing)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、矩(ju)形(xing)風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)；3、按(an)照(zhao)通風(feng)(feng)(feng)(feng)(feng)空(kong)(kong)調系統(tong)工(gong)作壓力可(ke)分(fen)為(wei)：高壓風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、中(zhong)(zhong)壓風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、低壓風(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)三個類別，

在(zai)(zai)了解空(kong)(kong)(kong)調(diao)(diao)壓(ya)(ya)(ya)縮(suo)(suo)機的(de)(de)(de)工(gong)作(zuo)原理之前，先來認識下空(kong)(kong)(kong)調(diao)(diao)壓(ya)(ya)(ya)縮(suo)(suo)機的(de)(de)(de)工(gong)作(zuo)回路。空(kong)(kong)(kong)調(diao)(diao)壓(ya)(ya)(ya)縮(suo)(suo)機的(de)(de)(de)工(gong)作(zuo)回路分為(wei)蒸(zheng)發(fa)(fa)區(qu)(qu)和冷(leng)(leng)(leng)(leng)凝區(qu)(qu)，空(kong)(kong)(kong)調(diao)(diao)壓(ya)(ya)(ya)縮(suo)(suo)機在(zai)(zai)空(kong)(kong)(kong)調(diao)(diao)制(zhi)冷(leng)(leng)(leng)(leng)劑(ji)回路中(zhong)(zhong)起(qi)壓(ya)(ya)(ya)縮(suo)(suo)驅動制(zhi)冷(leng)(leng)(leng)(leng)劑(ji)的(de)(de)(de)作(zuo)用。空(kong)(kong)(kong)調(diao)(diao)制(zhi)冷(leng)(leng)(leng)(leng)時(shi)，中(zhong)(zhong)央空(kong)(kong)(kong)調(diao)(diao)壓(ya)(ya)(ya)縮(suo)(suo)機把制(zhi)冷(leng)(leng)(leng)(leng)劑(ji)從低壓(ya)(ya)(ya)區(qu)(qu)抽取來經(jing)(jing)緊縮(suo)(suo)后送到(dao)(dao)高(gao)(gao)壓(ya)(ya)(ya)區(qu)(qu)冷(leng)(leng)(leng)(leng)卻(que)(que)凝結，經(jing)(jing)過(guo)散(san)(san)熱(re)(re)片分發(fa)(fa)出熱(re)(re)量到(dao)(dao)空(kong)(kong)(kong)氣(qi)(qi)中(zhong)(zhong)，制(zhi)冷(leng)(leng)(leng)(leng)劑(ji)也從氣(qi)(qi)態變(bian)成(cheng)液態，壓(ya)(ya)(ya)力升高(gao)(gao)。制(zhi)冷(leng)(leng)(leng)(leng)劑(ji)再從高(gao)(gao)壓(ya)(ya)(ya)區(qu)(qu)流向(xiang)低壓(ya)(ya)(ya)區(qu)(qu)，經(jing)(jing)過(guo)毛細管放射到(dao)(dao)蒸(zheng)發(fa)(fa)器中(zhong)(zhong)，壓(ya)(ya)(ya)力驟降(jiang)，液態制(zhi)冷(leng)(leng)(leng)(leng)劑(ji)立(li)刻(ke)變(bian)成(cheng)氣(qi)(qi)態，經(jing)(jing)過(guo)散(san)(san)熱(re)(re)片吸收空(kong)(kong)(kong)氣(qi)(qi)中(zhong)(zhong)大(da)量的(de)(de)(de)熱(re)(re)量。這樣循環(huan)應(ying)用就完成(cheng)了制(zhi)冷(leng)(leng)(leng)(leng)系統。壓(ya)(ya)(ya)縮(suo)(suo)機通過(guo)節流裝置節流之后，通入到(dao)(dao)蒸(zheng)發(fa)(fa)器中(zhong)(zhong)，將(jiang)所需要冷(leng)(leng)(leng)(leng)卻(que)(que)的(de)(de)(de)媒(mei)介冷(leng)(leng)(leng)(leng)卻(que)(que)換(huan)(huan)熱(re)(re)。例如將(jiang)蒸(zheng)發(fa)(fa)器連(lian)接(jie)到(dao)(dao)樓里的(de)(de)(de)各(ge)個房(fang)(fang)間(jian)，蒸(zheng)發(fa)(fa)器內的(de)(de)(de)蛇行(xing)管將(jiang)同空(kong)(kong)(kong)氣(qi)(qi)進(jin)行(xing)換(huan)(huan)熱(re)(re)，再通過(guo)鼓風將(jiang)冷(leng)(leng)(leng)(leng)氣(qi)(qi)吹(chui)向(xiang)房(fang)(fang)間(jian)的(de)(de)(de)空(kong)(kong)(kong)氣(qi)(qi)當中(zhong)(zhong)。而(er)蒸(zheng)發(fa)(fa)器蛇行(xing)管內的(de)(de)(de)冷(leng)(leng)(leng)(leng)凍劑(ji)換(huan)(huan)熱(re)(re)后變(bian)成(cheng)低壓(ya)(ya)(ya)蒸(zheng)氣(qi)(qi)回到(dao)(dao)壓(ya)(ya)(ya)縮(suo)(suo)機，再被壓(ya)(ya)(ya)縮(suo)(suo)機壓(ya)(ya)(ya)縮(suo)(suo)，這樣循環(huan)利用就完成(cheng)了制(zhi)冷(leng)(leng)(leng)(leng)系統。

1.通風(feng)、空(kong)氣調(diao)節(jie)系(xi)統的(de)(de)(de)(de)(de)(de)(de)(de)風(feng)管(guan)(guan)(guan)(guan)在下(xia)列部位應(ying)(ying)設(she)置(zhi)(zhi)(zhi)公稱動(dong)作溫(wen)度為(wei)(wei)70℃的(de)(de)(de)(de)(de)(de)(de)(de)防(fang)(fang)火(huo)閥。①穿越(yue)(yue)防(fang)(fang)火(huo)分(fen)(fen)(fen)(fen)區(qu)處(chu)(chu)(chu)。②穿越(yue)(yue)通風(feng)空(kong)調(diao)機(ji)房(fang)(fang)(fang)的(de)(de)(de)(de)(de)(de)(de)(de)房(fang)(fang)(fang)間(jian)隔(ge)墻(qiang)和(he)樓(lou)板處(chu)(chu)(chu)。③穿越(yue)(yue)重要或火(huo)災危險性大的(de)(de)(de)(de)(de)(de)(de)(de)場(chang)所(suo)的(de)(de)(de)(de)(de)(de)(de)(de)房(fang)(fang)(fang)間(jian)隔(ge)墻(qiang)和(he)樓(lou)板處(chu)(chu)(chu)。④穿越(yue)(yue)防(fang)(fang)火(huo)分(fen)(fen)(fen)(fen)隔(ge)處(chu)(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)變形(xing)縫兩側。⑤豎(shu)向(xiang)風(feng)管(guan)(guan)(guan)(guan)與每層水平風(feng)管(guan)(guan)(guan)(guan)交(jiao)(jiao)接處(chu)(chu)(chu)的(de)(de)(de)(de)(de)(de)(de)(de)水平管(guan)(guan)(guan)(guan)段上(shang)，當建筑內每個防(fang)(fang)火(huo)分(fen)(fen)(fen)(fen)區(qu)的(de)(de)(de)(de)(de)(de)(de)(de)通風(feng)、空(kong)氣調(diao)節(jie)系(xi)統均獨立設(she)置(zhi)(zhi)(zhi)時，水平風(feng)管(guan)(guan)(guan)(guan)與豎(shu)向(xiang)總管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)(de)交(jiao)(jiao)接處(chu)(chu)(chu)可不設(she)置(zhi)(zhi)(zhi)防(fang)(fang)火(huo)閥。2.公共(gong)建筑的(de)(de)(de)(de)(de)(de)(de)(de)浴室、衛(wei)生(sheng)間(jian)和(he)廚房(fang)(fang)(fang)的(de)(de)(de)(de)(de)(de)(de)(de)豎(shu)向(xiang)排(pai)(pai)風(feng)管(guan)(guan)(guan)(guan)，應(ying)(ying)采(cai)取防(fang)(fang)止回流(liu)措施并宜在支管(guan)(guan)(guan)(guan)上(shang)設(she)置(zhi)(zhi)(zhi)公稱動(dong)作溫(wen)度為(wei)(wei)70℃的(de)(de)(de)(de)(de)(de)(de)(de)防(fang)(fang)火(huo)閥。公共(gong)建筑內廚房(fang)(fang)(fang)的(de)(de)(de)(de)(de)(de)(de)(de)排(pai)(pai)油煙管(guan)(guan)(guan)(guan)道宜按防(fang)(fang)火(huo)分(fen)(fen)(fen)(fen)區(qu)設(she)置(zhi)(zhi)(zhi)，且在與豎(shu)向(xiang)排(pai)(pai)風(feng)管(guan)(guan)(guan)(guan)連接的(de)(de)(de)(de)(de)(de)(de)(de)支管(guan)(guan)(guan)(guan)處(chu)(chu)(chu)應(ying)(ying)設(she)置(zhi)(zhi)(zhi)公稱動(dong)作溫(wen)度為(wei)(wei)150℃的(de)(de)(de)(de)(de)(de)(de)(de)防(fang)(fang)火(huo)閥。 3.排(pai)(pai)煙防(fang)(fang)火(huo)閥（280℃）的(de)(de)(de)(de)(de)(de)(de)(de)設(she)置(zhi)(zhi)(zhi)場(chang)所(suo)：①排(pai)(pai)煙管(guan)(guan)(guan)(guan)進入排(pai)(pai)風(feng)機(ji)房(fang)(fang)(fang)處(chu)(chu)(chu)；②穿越(yue)(yue)防(fang)(fang)火(huo)分(fen)(fen)(fen)(fen)區(qu)的(de)(de)(de)(de)(de)(de)(de)(de)排(pai)(pai)煙管(guan)(guan)(guan)(guan)道上(shang)；③排(pai)(pai)煙系(xi)統的(de)(de)(de)(de)(de)(de)(de)(de)支管(guan)(guan)(guan)(guan)上(shang)；

風機廣泛地應用于各個工業部門，一般講，離心式風機適用于小流量、高壓力的場所，而軸流式風機則常用于大流量、低壓力的情況，廚房排煙管道批發應根據不同的情況選有不同的風機分類。1鍋爐用風機,鍋爐用風機根據鍋爐的規格可選用離心式或軸流式。又按廚房排煙管道它的作(zuo)用(yong)分為鍋(guo)(guo)爐風(feng)(feng)機(ji)—向鍋(guo)(guo)爐內(nei)輸送空氣(qi)(qi)；鍋(guo)(guo)爐引風(feng)(feng)機(ji)把鍋(guo)(guo)爐內(nei)的煙氣(qi)(qi)抽走。2通(tong)風(feng)(feng)換氣(qi)(qi)用(yong)風(feng)(feng)機(ji),這類風(feng)(feng)機(ji)一般是(shi)供工廠(chang)及(ji)各(ge)種建筑物通(tong)風(feng)(feng)換氣(qi)(qi)及(ji)采暖通(tong)風(feng)(feng)用(yong)，要(yao)求壓力不高，但噪(zao)聲要(yao)求要(yao)低，可采用(yong)離心式(shi)或軸流式(shi)風(feng)(feng)機(ji)。

1. 技術背景(jing),在(zai)(zai)焊(han)(han)(han)接接頭中(zhong)由(you)于焊(han)(han)(han)接所(suo)引起(qi)的(de)(de)(de)(de)(de)(de)各種(zhong)(zhong)裂(lie)(lie)紋(wen)，統稱焊(han)(han)(han)接裂(lie)(lie)紋(wen)。焊(han)(han)(han)接裂(lie)(lie)紋(wen)在(zai)(zai)焊(han)(han)(han)縫(feng)金屬(shu)與熱(re)影響(xiang)(xiang)區中(zhong)都可能(neng)產(chan)生(sheng)，是焊(han)(han)(han)接凝固(gu)冶(ye)金和固(gu)相(xiang)冶(ye)金過程(cheng)中(zhong)產(chan)生(sheng)為(wei)危險的(de)(de)(de)(de)(de)(de)一(yi)種(zhong)(zhong)缺陷。焊(han)(han)(han)接結(jie)構產(chan)生(sheng)的(de)(de)(de)(de)(de)(de)破壞(huai)事故大(da)(da)部分都是焊(han)(han)(han)接裂(lie)(lie)紋(wen)所(suo)引起(qi)的(de)(de)(de)(de)(de)(de)。隨著現代工(gong)業的(de)(de)(de)(de)(de)(de)發(fa)展(zhan)，焊(han)(han)(han)接結(jie)構也趨向(xiang)大(da)(da)型化、大(da)(da)容量和高(gao)參數發(fa)展(zhan)。有(you)的(de)(de)(de)(de)(de)(de)在(zai)(zai)低溫、腐蝕(shi)介質下(xia)工(gong)作，也有(you)的(de)(de)(de)(de)(de)(de)在(zai)(zai)高(gao)溫高(gao)壓下(xia)工(gong)作，廣泛都用(yong)(yong)到各種(zhong)(zhong)高(gao)合金鋼(gang)、不(bu)銹鋼(gang)，以及種(zhong)(zhong)種(zhong)(zhong)合金材(cai)料(liao)。這些(xie)材(cai)料(liao)往往都對(dui)裂(lie)(lie)紋(wen)十分敏感(gan)，而裂(lie)(lie)紋(wen)卻又是大(da)(da)多重大(da)(da)事故的(de)(de)(de)(de)(de)(de)誘因，必(bi)須十分重視。焊(han)(han)(han)接裂(lie)(lie)紋(wen)種(zhong)(zhong)類繁(fan)多，產(chan)生(sheng)的(de)(de)(de)(de)(de)(de)條件和原因各不(bu)相(xiang)同。有(you)些(xie)裂(lie)(lie)紋(wen)在(zai)(zai)焊(han)(han)(han)后立即產(chan)生(sheng)了，有(you)些(xie)在(zai)(zai)焊(han)(han)(han)后延續(xu)一(yi)定時(shi)間再產(chan)生(sheng)，甚至在(zai)(zai)使用(yong)(yong)過程(cheng)中(zhong)，在(zai)(zai)一(yi)定的(de)(de)(de)(de)(de)(de)外(wai)界條件誘發(fa)下(xia)再產(chan)生(sheng)。裂(lie)(lie)紋(wen)既出現在(zai)(zai)焊(han)(han)(han)縫(feng)和熱(re)影響(xiang)(xiang)區表面(mian)，也產(chan)生(sheng)在(zai)(zai)其(qi)內部。它對(dui)焊(han)(han)(han)接結(jie)構的(de)(de)(de)(de)(de)(de)危害有(you)以下(xia)幾(ji)點。