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什(shen)么是(shi)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan),常見風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)有哪些類(lei)型,風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)主要(yao)(yao)指中央空(kong)調系統(tong)的(de)通風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)道(dao),它(ta)(ta)常常被忽視,但卻是(shi)空(kong)調系統(tong)的(de)重要(yao)(yao)組成(cheng)部分(fen)(fen)。風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)是(shi)由薄鋼(gang)(gang)板(ban)、鋁板(ban)、硬聚氯乙(yi)烯板(ban)、玻璃(li)(li)鋼(gang)(gang)以及其它(ta)(ta)復合材(cai)料(liao)等制成(cheng)的(de),用于輸送空(kong)氣和空(kong)氣混合物(wu)的(de)各種管(guan)(guan)(guan)(guan)(guan)道(dao)的(de)總稱(cheng)。1、按照材(cai)質可分(fen)(fen)為(wei):金(jin)屬風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)、非(fei)金(jin)屬風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)。其中:(1)金(jin)屬風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)又可分(fen)(fen)為(wei):鋼(gang)(gang)板(ban)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)、鋁板(ban)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)、不銹鋼(gang)(gang)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)等;(2)非(fei)金(jin)屬風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)可以分(fen)(fen)為(wei):硬聚氯乙(yi)烯風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)、有機(ji)玻璃(li)(li)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)、無機(ji)玻璃(li)(li)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)、玻璃(li)(li)鋼(gang)(gang)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)以及其它(ta)(ta)復合材(cai)料(liao)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)等;2、按照風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)外形(xing)可分(fen)(fen)為(wei):圓形(xing)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)、矩形(xing)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan);3、按照通風(feng)(feng)(feng)(feng)(feng)(feng)(feng)空(kong)調系統(tong)工作壓(ya)力(li)可分(fen)(fen)為(wei):高(gao)壓(ya)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)、中壓(ya)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)、低(di)壓(ya)風(feng)(feng)(feng)(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)(guan)三個類(lei)別,
1、想要讓(rang)排(pai)水(shui)管能(neng)夠(gou)很好的(de)(de)(de)排(pai)水(shui),我們(men)就需要注意(yi)在安裝排(pai)水(shui)管的(de)(de)(de)時候,讓(rang)排(pai)水(shui)管能(neng)夠(gou)有一個輕(qing)微的(de)(de)(de)斜坡,這樣就不(bu)會出(chu)(chu)現排(pai)水(shui)管有可能(neng)過高而出(chu)(chu)現當中央空調(diao)停止工作時,內機的(de)(de)(de)水(shui)會出(chu)(chu)現倒流的(de)(de)(de)情況,這樣就會將吊(diao)頂(ding)泡壞。2、還需要注意(yi)的(de)(de)(de)是(shi)在安裝排(pai)水(shui)管的(de)(de)(de)時候要對排(pai)水(shui)管的(de)(de)(de)外部(bu)做(zuo)一層保溫處理,如果不(bu)做(zuo)保溫,那么就會在制冷時間長后,排(pai)水(shui)管的(de)(de)(de)表面會出(chu)(chu)現滴水(shui)的(de)(de)(de)情況,這樣對吊(diao)頂(ding)是(shi)有著(zhu)一定(ding)的(de)(de)(de)損壞的(de)(de)(de)。所(suo)以(yi)要使用(yong)一些保溫材料,將排(pai)水(shui)管的(de)(de)(de)保溫做(zuo)好。
1.冷(leng)(leng)(leng)(leng)(leng)(熱(re)(re)(re))水(shui)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)基本(ben)工(gong)作過程是(shi):室(shi)(shi)(shi)外(wai)的(de)(de)(de)(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)(leng)(leng)(leng)機(ji)(ji)(ji)組(zu)(zu)對(dui)冷(leng)(leng)(leng)(leng)(leng)(熱(re)(re)(re))媒水(shui)進(jin)行制(zhi)冷(leng)(leng)(leng)(leng)(leng)降(jiang)溫(或加熱(re)(re)(re)升溫),然后(hou)由水(shui)泵將降(jiang)溫后(hou)的(de)(de)(de)(de)(de)(de)(de)(de)冷(leng)(leng)(leng)(leng)(leng)媒(熱(re)(re)(re))水(shui)輸(shu)送(song)到安裝(zhuang)在(zai)室(shi)(shi)(shi)內(nei)(nei)(nei)的(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)機(ji)(ji)(ji)盤管(guan)(guan)機(ji)(ji)(ji)組(zu)(zu)中(zhong),由風(feng)(feng)機(ji)(ji)(ji)盤管(guan)(guan)機(ji)(ji)(ji)組(zu)(zu)采(cai)取就地回風(feng)(feng)的(de)(de)(de)(de)(de)(de)(de)(de)方式(shi)與室(shi)(shi)(shi)內(nei)(nei)(nei)空(kong)(kong)(kong)(kong)氣(qi)進(jin)行熱(re)(re)(re)交(jiao)換(huan)實現對(dui)室(shi)(shi)(shi)內(nei)(nei)(nei)空(kong)(kong)(kong)(kong)氣(qi)處理的(de)(de)(de)(de)(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)(de)(de)(de)(de)。2.風(feng)(feng)管(guan)(guan)(道(dao))式(shi)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)基本(ben)工(gong)作過程是(shi):供冷(leng)(leng)(leng)(leng)(leng)時,室(shi)(shi)(shi)外(wai)的(de)(de)(de)(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)(leng)(leng)(leng)機(ji)(ji)(ji)組(zu)(zu)吸(xi)收來(lai)(lai)自室(shi)(shi)(shi)內(nei)(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)(leng)(leng)(leng)劑蒸(zheng)氣(qi)經壓縮(suo)、冷(leng)(leng)(leng)(leng)(leng)凝后(hou)向(xiang)(xiang)各室(shi)(shi)(shi)內(nei)(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)輸(shu)送(song)液體制(zhi)冷(leng)(leng)(leng)(leng)(leng)劑。供熱(re)(re)(re)時,室(shi)(shi)(shi)外(wai)的(de)(de)(de)(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)(leng)(leng)(leng)機(ji)(ji)(ji)組(zu)(zu)吸(xi)收來(lai)(lai)自冷(leng)(leng)(leng)(leng)(leng)凝器的(de)(de)(de)(de)(de)(de)(de)(de)制(zhi)冷(leng)(leng)(leng)(leng)(leng)劑蒸(zheng)氣(qi)經壓縮(suo)后(hou)向(xiang)(xiang)各室(shi)(shi)(shi)內(nei)(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)輸(shu)送(song)汽體制(zhi)冷(leng)(leng)(leng)(leng)(leng)劑,室(shi)(shi)(shi)內(nei)(nei)(nei)機(ji)(ji)(ji)組(zu)(zu)通過布置在(zai)天花(hua)板上(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)(de)回風(feng)(feng)口將空(kong)(kong)(kong)(kong)氣(qi)吸(xi)入(ru),進(jin)行熱(re)(re)(re)交(jiao)換(huan)后(hou)送(song)入(ru)安裝(zhuang)在(zai)室(shi)(shi)(shi)內(nei)(nei)(nei)各房間(jian)天花(hua)板中(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)風(feng)(feng)管(guan)(guan)(道(dao))內(nei)(nei)(nei),并通過出風(feng)(feng)口上(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)(de)散流(liu)器向(xiang)(xiang)室(shi)(shi)(shi)內(nei)(nei)(nei)各房間(jian)輸(shu)送(song)空(kong)(kong)(kong)(kong)氣(qi)。在(zai)風(feng)(feng)管(guan)(guan)(道(dao))上(shang)(shang)設計有新(xin)風(feng)(feng)門(men)和排風(feng)(feng)門(men),可以(yi)按一(yi)定(ding)比例置換(huan)空(kong)(kong)(kong)(kong)氣(qi),以(yi)保證室(shi)(shi)(shi)內(nei)(nei)(nei)空(kong)(kong)(kong)(kong)氣(qi)的(de)(de)(de)(de)(de)(de)(de)(de)質(zhi)量。
一、對(dui)通(tong)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)制(zhi)(zhi)作的(de)(de)要求進行檢查(cha):檢查(cha)通(tong)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)穿(chuan)(chuan)(chuan)越防(fang)護密(mi)(mi)(mi)閉墻、密(mi)(mi)(mi)閉墻的(de)(de)預埋(mai)密(mi)(mi)(mi)閉穿(chuan)(chuan)(chuan)墻短(duan)(duan)管(guan)(guan)(guan)(guan)(guan)(guan)。通(tong)風(feng)預埋(mai)密(mi)(mi)(mi)閉短(duan)(duan)管(guan)(guan)(guan)(guan)(guan)(guan)采(cai)(cai)用(yong)(yong)厚度(du)不(bu)小(xiao)于3mm鋼板機(ji)械卷制(zhi)(zhi)成形(xing)(其(qi)(qi)厚度(du)還應(ying)(ying)根據預埋(mai)管(guan)(guan)(guan)(guan)(guan)(guan)管(guan)(guan)(guan)(guan)(guan)(guan)徑大小(xiao)確定,使預埋(mai)管(guan)(guan)(guan)(guan)(guan)(guan)不(bu)致變形(xing)),防(fang)爆(bao)超(chao)壓排(pai)(pai)氣活門(men)的(de)(de)預埋(mai)短(duan)(duan)管(guan)(guan)(guan)(guan)(guan)(guan)其(qi)(qi)厚度(du)為6mm,密(mi)(mi)(mi)閉短(duan)(duan)管(guan)(guan)(guan)(guan)(guan)(guan)中間應(ying)(ying)設密(mi)(mi)(mi)閉肋(lei),密(mi)(mi)(mi)閉肋(lei)厚度(du)為5mm,密(mi)(mi)(mi)閉肋(lei)高度(du)為50mm,密(mi)(mi)(mi)閉肋(lei)與(yu)短(duan)(duan)管(guan)(guan)(guan)(guan)(guan)(guan)應(ying)(ying)雙(shuang)面(mian)滿焊(han)、焊(han)縫(feng)(feng)(feng)嚴(yan)密(mi)(mi)(mi)。密(mi)(mi)(mi)閉穿(chuan)(chuan)(chuan)墻短(duan)(duan)管(guan)(guan)(guan)(guan)(guan)(guan)兩(liang)(liang)端深處墻面(mian)的(de)(de)長度(du)應(ying)(ying)大于100mm,管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)內(nei)外部除與(yu)混凝土接(jie)(jie)(jie)觸部分(fen)外均(jun)應(ying)(ying)刷兩(liang)(liang)道(dao)(dao)(dao)防(fang)銹漆(qi)。二、對(dui)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)連(lian)接(jie)(jie)(jie)處制(zhi)(zhi)作的(de)(de)要求進行檢查(cha),對(dui)染毒區的(de)(de)通(tong)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)連(lian)接(jie)(jie)(jie)方法及密(mi)(mi)(mi)封進行檢查(cha)。如無設計(ji)要求,其(qi)(qi)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)厚度(du)應(ying)(ying)采(cai)(cai)用(yong)(yong)大于等于3mm的(de)(de)鋼板焊(han)接(jie)(jie)(jie)制(zhi)(zhi)作而成。風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)與(yu)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)連(lian)接(jie)(jie)(jie)應(ying)(ying)采(cai)(cai)用(yong)(yong)焊(han)接(jie)(jie)(jie)連(lian)接(jie)(jie)(jie)。通(tong)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)(dao)(dao)與(yu)密(mi)(mi)(mi)閉閥門(men)的(de)(de)連(lian)接(jie)(jie)(jie)應(ying)(ying)采(cai)(cai)用(yong)(yong)帶密(mi)(mi)(mi)封槽的(de)(de)法蘭(lan)(lan)連(lian)接(jie)(jie)(jie),其(qi)(qi)法蘭(lan)(lan)面(mian)應(ying)(ying)經機(ji)床(chuang)車削加工(gong),保(bao)證接(jie)(jie)(jie)觸應(ying)(ying)平整,法蘭(lan)(lan)面(mian)有(you)(you)1~2mm深的(de)(de)90°密(mi)(mi)(mi)封槽;風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)與(yu)設備連(lian)接(jie)(jie)(jie)法蘭(lan)(lan)之(zhi)間應(ying)(ying)采(cai)(cai)用(yong)(yong)整體橡(xiang)膠法蘭(lan)(lan)墊圈,防(fang)爆(bao)超(chao)壓排(pai)(pai)氣活門(men)法蘭(lan)(lan)連(lian)接(jie)(jie)(jie)填料采(cai)(cai)用(yong)(yong)5mm整張(zhang)橡(xiang)膠墊圈密(mi)(mi)(mi)封(不(bu)得(de)有(you)(you)拼縫(feng)(feng)(feng)),其(qi)(qi)他(ta)染毒區風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)連(lian)接(jie)(jie)(jie)及法蘭(lan)(lan)與(yu)設備連(lian)接(jie)(jie)(jie)采(cai)(cai)用(yong)(yong)4~5mm整張(zhang)橡(xiang)膠墊圈密(mi)(mi)(mi)封(不(bu)得(de)有(you)(you)拼縫(feng)(feng)(feng)),連(lian)接(jie)(jie)(jie)處不(bu)得(de)有(you)(you)漏縫(feng)(feng)(feng)現象。
消防排(pai)(pai)煙風(feng)機(ji)(ji)首先應該(gai)滿足(zu)溫(wen)(wen)(wen)(wen)度和時間的(de)(de)特性(xing),即國家規定280℃/0.5h;其次,在一般(ban)環境溫(wen)(wen)(wen)(wen)度下,可(ke)以保證有(you)效的(de)(de)排(pai)(pai)煙控制量(liang)。此外還要求(qiu)消防排(pai)(pai)煙風(feng)機(ji)(ji)能(neng)夠進行周期性(xing)的(de)(de)實驗,能(neng)夠發現其中(zhong)的(de)(de)不(bu)足(zu),并加以改進;可(ke)以適用(yong)(yong)(yong)各種通風(feng)要求(qiu)的(de)(de)管道,便(bian)(bian)于安(an)裝與使用(yong)(yong)(yong)。消防排(pai)(pai)煙風(feng)機(ji)(ji)的(de)(de)性(xing)能(neng)優良(liang)、耐高溫(wen)(wen)(wen)(wen)性(xing)能(neng)良(liang)好、效率高、占(zhan)地比離心風(feng)機(ji)(ji)少、高溫(wen)(wen)(wen)(wen)性(xing)能(neng)優良(liang)。消防排(pai)(pai)煙風(feng)機(ji)(ji)能(neng)在300℃高溫(wen)(wen)(wen)(wen)條(tiao)件(jian)下連續運(yun)行60分(fen)鐘以上(shang),100℃溫(wen)(wen)(wen)(wen)度條(tiao)件(jian)下連續20小時不(bu)損壞(huai),應用(yong)(yong)(yong)范圍廣(guang),可(ke)根據高級(ji)民用(yong)(yong)(yong)建筑的(de)(de)不(bu)同要求(qiu),采用(yong)(yong)(yong)變速(su)或多速(su)的(de)(de)驅動型式,消防排(pai)(pai)煙風(feng)機(ji)(ji)廣(guang)泛應用(yong)(yong)(yong)于高級(ji)民用(yong)(yong)(yong)建筑、烤箱、地下車庫、隧道等(deng)場合。安(an)裝方便(bian)(bian),可(ke)直接和墻壁安(an)裝,安(an)裝可(ke)采用(yong)(yong)(yong)垂直式、水平(ping)式或吊(diao)裝式,很大(da)程度上(shang)節省了占(zhan)地面積。
(1)防火閥使用及安裝(a) 安裝前必須檢查防火閥外觀質量、控制性能和閥門動作,確認正常后配鉆法蘭連接孔。(b) 安裝時防火閥的方向位置應正確,熔斷器(易熔片)應先于葉片軸接觸熱氣流(即位于葉片的迎風側)。自重式防火閥要注意葉片的上下方向氣流方向標志,不得倒置。(c) 防火閥應牢靠地固定在設定的位置上,確保當發生火災時不致因管道變形下塌而影響工作性能,風機批發必要時應設吊架。(d) 具有風量調節功能的防火閥,應在調試過程中調定閥門開度。(e) 當設計防火閥為吊頂安裝或靠近墻體安裝時,要保證防火閥周圍貿有足夠空間。(f) 安裝防火閥后的施工過程中,要注意值得信賴的風機不(bu)得使閥(fa)體、操作(zuo)裝置等受到損(sun)傷、變形,以免影響其工作(zuo)性能(g) 安裝后應對(dui)防火閥(fa)清(qing)掃檢查,閥(fa)體內不(bu)得有雜物,并進行操作(zuo)試驗,確保(bao)閥(fa)體正常工作(zuo)。