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什么是(shi)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan),常見風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)有哪(na)些類(lei)型,風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)主(zhu)要指中(zhong)央空(kong)(kong)調系統的(de)通風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)道,它常常被忽視(shi),但卻是(shi)空(kong)(kong)調系統的(de)重要組成(cheng)部(bu)分(fen)(fen)。風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)是(shi)由薄(bo)鋼(gang)板(ban)、鋁板(ban)、硬聚氯(lv)乙烯板(ban)、玻(bo)璃鋼(gang)以(yi)及其它復合材料(liao)等(deng)(deng)制(zhi)成(cheng)的(de),用(yong)于輸送空(kong)(kong)氣和(he)空(kong)(kong)氣混合物的(de)各種管(guan)(guan)(guan)(guan)道的(de)總(zong)稱(cheng)。1、按照(zhao)材質可(ke)分(fen)(fen)為:金(jin)屬(shu)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、非(fei)金(jin)屬(shu)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)。其中(zhong):(1)金(jin)屬(shu)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)又可(ke)分(fen)(fen)為:鋼(gang)板(ban)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、鋁板(ban)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、不銹(xiu)鋼(gang)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)等(deng)(deng);(2)非(fei)金(jin)屬(shu)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)可(ke)以(yi)分(fen)(fen)為:硬聚氯(lv)乙烯風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、有機(ji)玻(bo)璃風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、無機(ji)玻(bo)璃風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、玻(bo)璃鋼(gang)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)以(yi)及其它復合材料(liao)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)等(deng)(deng);2、按照(zhao)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)外形可(ke)分(fen)(fen)為:圓形風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、矩(ju)形風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan);3、按照(zhao)通風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)空(kong)(kong)調系統工作壓(ya)力(li)可(ke)分(fen)(fen)為:高壓(ya)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、中(zhong)壓(ya)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、低壓(ya)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)三個類(lei)別,
在葉(xie)輪(lun)運(yun)轉初期(qi)及所有(you)定期(qi)檢(jian)查的(de)(de)時(shi)候(hou),只要(yao)一(yi)有(you)機會,都必(bi)須(xu)檢(jian)查葉(xie)輪(lun)是(shi)否出現裂(lie)紋(wen)、磨損、積塵(chen)等(deng)缺陷。只要(yao)有(you)可(ke)能(neng),都必(bi)須(xu)使(shi)(shi)葉(xie)輪(lun)保持(chi)清(qing)潔狀(zhuang)(zhuang)態,并定期(qi)用(yong)鋼(gang)絲刷刷去(qu)上(shang)(shang)面的(de)(de)積塵(chen)和銹皮等(deng),因為隨(sui)著運(yun)行(xing)時(shi)間(jian)的(de)(de)加長,這些灰塵(chen)由于不可(ke)能(neng)均(jun)勻地(di)附著在葉(xie)輪(lun)上(shang)(shang),而造成(cheng)葉(xie)輪(lun)平(ping)衡(heng)破壞,以至引起轉子振(zhen)動(dong)。葉(xie)輪(lun)只要(yao)進行(xing)了修理,就需要(yao)對(dui)其再作(zuo)動(dong)平(ping)衡(heng)。如(ru)有(you)條件,可(ke)以使(shi)(shi)用(yong)便(bian)攜試動(dong)平(ping)衡(heng)儀在現場進行(xing)平(ping)衡(heng)。在作(zuo)動(dong)平(ping)衡(heng)之前,必(bi)須(xu)檢(jian)查所有(you)緊(jin)定螺(luo)栓(shuan)是(shi)否上(shang)(shang)緊(jin)。因為葉(xie)輪(lun)已經在不平(ping)衡(heng)狀(zhuang)(zhuang)態下(xia)運(yun)行(xing)了一(yi)段時(shi)間(jian),這些螺(luo)栓(shuan)可(ke)能(neng)已經松動(dong)。
它是近年新的(de)風管(guan)(guan)管(guan)(guan)材,以(yi)容重(zhong)64 kg / m3、厚度25 mm的(de)離心玻纖(xian)板為(wei)(wei)基材,內(nei)復玻璃絲布(bu)(bu),外復防(fang)(fang)潮鋁箔布(bu)(bu)(進口板材為(wei)(wei)內(nei)涂熱(re)敏(min)丙稀酸聚(ju)合物,外層(ceng)為(wei)(wei)稀紋(wen)布(bu)(bu) / 鋁箔 / 牛皮紙(zhi)),用專用防(fang)(fang)火粘結劑復合干燥(zao)后,再(zai)經切(qie)割、開槽、粘結加固等工(gong)藝而制成,采用特種密封膠(jiao)(jiao)、壓(ya)敏(min)膠(jiao)(jiao)帶、熱(re)敏(min)膠(jiao)(jiao)帶連接密封,根據風管(guan)(guan)斷面(mian)尺寸(cun)、風壓(ya)大小再(zai)采取適當的(de)加固措施。具有消聲、保溫、防(fang)(fang)火、防(fang)(fang)潮、漏風量小、經濟適用等優點,材質(zhi)輕,搬運吊掛容易,現場修改方便、易施工(gong),組裝便捷,需(xu)密封的(de)連接點少(shao),節省安裝空間,熱(re)效高,操作安靜,工(gong)作壽命長(chang),性能價格比優,綜合造價低,要(yao)防(fang)(fang)止被水長(chang)期(qi)浸泡。
風機是依靠輸入的機械能,提高氣體壓力并排送氣體的機械,它是一種從動的流體機械。風機是我國對氣體壓縮和氣體輸送機械的習慣簡稱,通常所說的風機包括通風機,鼓風機,壓縮機以及羅茨鼓風機,離心式風機,回轉式風機,水環式風機,但是通風設備價格不包括活塞壓縮機等容積式鼓風機和壓縮機。氣體壓縮和氣體輸送機械是把旋轉的機械轉換為氣體壓力能和動能,并將氣體輸送出去的機械。風機主要由風葉、百葉窗、開窗機構、電機、皮帶輪、進風罩、內框架、機殼、安全網等部件組成。開機時由電機驅動風葉旋轉,并使開窗機構打開百葉窗排風。通風設備停機時百葉(xie)窗自動關(guan)閉。風(feng)機廣泛用于工廠、礦井(jing)、隧(sui)道、冷卻塔、車(che)輛(liang)、船舶和(he)(he)(he)建筑物的(de)(de)通(tong)風(feng)、排塵和(he)(he)(he)冷卻;鍋爐(lu)和(he)(he)(he)工業爐(lu)窯的(de)(de)通(tong)風(feng)和(he)(he)(he)引風(feng);空(kong)氣(qi)調節(jie)設(she)備和(he)(he)(he)家用電器設(she)備中(zhong)的(de)(de)冷卻和(he)(he)(he)通(tong)風(feng);谷物的(de)(de)烘(hong)干(gan)和(he)(he)(he)選送;風(feng)洞風(feng)源和(he)(he)(he)氣(qi)墊船的(de)(de)充(chong)氣(qi)和(he)(he)(he)推進等。
防(fang)(fang)火(huo)(huo)閥(fa)(fa)是用來(lai)阻斷來(lai)自火(huo)(huo)災(zai)區的(de)(de)煙(yan)氣及(ji)火(huo)(huo)焰通過(guo),并在一定(ding)時間(jian)內能滿足耐火(huo)(huo)穩定(ding)性和耐火(huo)(huo)完整(zheng)性要求(qiu)的(de)(de)閥(fa)(fa)門。為了將火(huo)(huo)災(zai)引起的(de)(de)損失減少到小程度,就必(bi)須采取有(you)效的(de)(de)防(fang)(fang)火(huo)(huo)、防(fang)(fang)排煙(yan)措(cuo)施,以控(kong)制(zhi)(zhi)火(huo)(huo)勢蔓延,而防(fang)(fang)火(huo)(huo)閥(fa)(fa)在通風、空調(diao)及(ji)防(fang)(fang)排煙(yan)系統中的(de)(de)合(he)(he)理設置,則起到了重要的(de)(de)作用。防(fang)(fang)火(huo)(huo)閥(fa)(fa)的(de)(de)結構和工作原(yuan)理,防(fang)(fang)火(huo)(huo)閥(fa)(fa)主要由閥(fa)(fa)體和執(zhi)(zhi)行機(ji)(ji)(ji)構組(zu)成(cheng)。閥(fa)(fa)體由殼(ke)體、法蘭、葉(xie)(xie)片(pian)及(ji)葉(xie)(xie)片(pian)聯(lian)動機(ji)(ji)(ji)構等(deng)組(zu)成(cheng)。執(zhi)(zhi)行機(ji)(ji)(ji)構由外殼(ke)、葉(xie)(xie)片(pian)調(diao)節(jie)機(ji)(ji)(ji)構、離合(he)(he)器(qi)、溫度熔(rong)斷器(qi)等(deng)組(zu)成(cheng)。防(fang)(fang)火(huo)(huo)閥(fa)(fa)的(de)(de)執(zhi)(zhi)行機(ji)(ji)(ji)構是通過(guo)金(jin)屬(shu)易熔(rong)片(pian)和離合(he)(he)器(qi)機(ji)(ji)(ji)構來(lai)控(kong)制(zhi)(zhi)葉(xie)(xie)片(pian)的(de)(de)轉動。