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1、消聲(sheng)(sheng)(sheng)性(xing)(xing)能(neng):鍍(du)鋅薄鋼(gang)板(ban)(ban)風(feng)管(guan)(guan)(guan)(guan)(guan):無(wu)消聲(sheng)(sheng)(sheng)性(xing)(xing)能(neng),自身(shen)震動會(hui)產生聲(sheng)(sheng)(sheng)音(yin)(yin),必(bi)(bi)須加裝(zhuang)消聲(sheng)(sheng)(sheng)器(qi)(qi)(qi)。無(wu)機玻璃鋼(gang)風(feng)管(guan)(guan)(guan)(guan)(guan):無(wu)消聲(sheng)(sheng)(sheng)性(xing)(xing)能(neng),隔聲(sheng)(sheng)(sheng)性(xing)(xing)能(neng)優于鍍(du)鋅薄鋼(gang)板(ban)(ban)風(feng)管(guan)(guan)(guan)(guan)(guan),必(bi)(bi)須加裝(zhuang)消聲(sheng)(sheng)(sheng)器(qi)(qi)(qi)。復合玻纖板(ban)(ban)風(feng)管(guan)(guan)(guan)(guan)(guan):其(qi)管(guan)(guan)(guan)(guan)(guan)壁是(shi)一(yi)(yi)種(zhong)多孔性(xing)(xing)吸(xi)聲(sheng)(sheng)(sheng)材(cai)料,可省去專(zhuan)用(yong)消聲(sheng)(sheng)(sheng)器(qi)(qi)(qi)。纖維織(zhi)物風(feng)管(guan)(guan)(guan)(guan)(guan):其(qi)管(guan)(guan)(guan)(guan)(guan)壁為(wei)柔(rou)性(xing)(xing)纖維織(zhi)物,本身(shen)就(jiu)是(shi)聲(sheng)(sheng)(sheng)音(yin)(yin)的不(bu)良導(dao)(dao)體和(he)吸(xi)收體,自身(shen)不(bu)會(hui)產生聲(sheng)(sheng)(sheng)音(yin)(yin),還可以一(yi)(yi)定(ding)程度(du)上吸(xi)收設備噪聲(sheng)(sheng)(sheng),隨著(zhu)管(guan)(guan)(guan)(guan)(guan)道的延長,效果更為(wei)明顯,可省去專(zhuan)用(yong)消聲(sheng)(sheng)(sheng)器(qi)(qi)(qi)。2、保(bao)(bao)溫(wen)(wen)(wen)性(xing)(xing)能(neng):鍍(du)鋅薄鋼(gang)板(ban)(ban)風(feng)管(guan)(guan)(guan)(guan)(guan):導(dao)(dao)熱系(xi)數(shu)(shu)很(hen)大(da)(為(wei)60.4 W/m?K),無(wu)保(bao)(bao)溫(wen)(wen)(wen)性(xing)(xing)能(neng),必(bi)(bi)須另(ling)外加包保(bao)(bao)溫(wen)(wen)(wen)層及保(bao)(bao)護層。無(wu)機玻璃鋼(gang)風(feng)管(guan)(guan)(guan)(guan)(guan):導(dao)(dao)熱系(xi)數(shu)(shu)大(da)(為(wei)0.5W/m?K),無(wu)保(bao)(bao)溫(wen)(wen)(wen)性(xing)(xing)能(neng)。復合玻纖板(ban)(ban)風(feng)管(guan)(guan)(guan)(guan)(guan):導(dao)(dao)熱系(xi)數(shu)(shu)小(xiao)(平(ping)均溫(wen)(wen)(wen)度(du)24℃時小(xiao)于1W/m?K),有一(yi)(yi)定(ding)保(bao)(bao)溫(wen)(wen)(wen)性(xing)(xing)能(neng),不(bu)加裝(zhuang)保(bao)(bao)溫(wen)(wen)(wen)。
一、對通風管道制作的要求進行檢查:檢查通風管道穿越防護密閉墻、密閉墻的預埋密閉穿墻短管。通風預埋密閉短管采用厚度不小于3mm鋼板機械卷制成形(其厚度還應根據預埋管管徑大小確定,使預埋管不致變形),值得信賴的鍍鋅通風管防爆超壓排氣活門的預埋短管其厚度為6mm,密閉短管中間應設密閉肋,密閉肋厚度為5mm,密閉肋高度為50mm,密閉肋與短管應雙面滿焊、焊縫嚴密。密閉穿墻短管兩端深處墻面的長度應大于100mm,管道內外部除與混凝土接觸部分外均應刷兩道防銹漆。二、對風管連接處制作的要求進行檢查,萬州廠家對(dui)染毒區的(de)通(tong)風(feng)(feng)(feng)管道連(lian)(lian)(lian)接(jie)方法(fa)及密(mi)(mi)(mi)封進行(xing)檢查。如無設(she)計要求,其(qi)風(feng)(feng)(feng)管厚度(du)應(ying)(ying)采(cai)用(yong)大(da)于(yu)(yu)等于(yu)(yu)3mm的(de)鋼板焊接(jie)制(zhi)作而成。風(feng)(feng)(feng)管與風(feng)(feng)(feng)管連(lian)(lian)(lian)接(jie)應(ying)(ying)采(cai)用(yong)焊接(jie)連(lian)(lian)(lian)接(jie)。通(tong)風(feng)(feng)(feng)管道與密(mi)(mi)(mi)閉閥門(men)的(de)連(lian)(lian)(lian)接(jie)應(ying)(ying)采(cai)用(yong)帶密(mi)(mi)(mi)封槽的(de)法(fa)蘭(lan)連(lian)(lian)(lian)接(jie),其(qi)法(fa)蘭(lan)面(mian)應(ying)(ying)經機(ji)床車削加(jia)工(gong),保證接(jie)觸應(ying)(ying)平(ping)整(zheng)(zheng)(zheng),法(fa)蘭(lan)面(mian)有(you)1~2mm深的(de)90°密(mi)(mi)(mi)封槽;風(feng)(feng)(feng)管與設(she)備(bei)連(lian)(lian)(lian)接(jie)法(fa)蘭(lan)之間應(ying)(ying)采(cai)用(yong)整(zheng)(zheng)(zheng)體(ti)橡膠法(fa)蘭(lan)墊(dian)圈(quan),防爆(bao)超壓(ya)排氣活門(men)法(fa)蘭(lan)連(lian)(lian)(lian)接(jie)填料采(cai)用(yong)5mm整(zheng)(zheng)(zheng)張(zhang)橡膠墊(dian)圈(quan)密(mi)(mi)(mi)封(不得(de)有(you)拼縫(feng)),其(qi)他染毒區風(feng)(feng)(feng)管連(lian)(lian)(lian)接(jie)及法(fa)蘭(lan)與設(she)備(bei)連(lian)(lian)(lian)接(jie)采(cai)用(yong)4~5mm整(zheng)(zheng)(zheng)張(zhang)橡膠墊(dian)圈(quan)密(mi)(mi)(mi)封(不得(de)有(you)拼縫(feng)),連(lian)(lian)(lian)接(jie)處不得(de)有(you)漏縫(feng)現象。
1、通(tong)風(feng)(feng)機(ji)(ji)(ji)安(an)裝(zhuang)(zhuang)(zhuang)應符合下(xia)列規定(1)風(feng)(feng)機(ji)(ji)(ji)試運轉時(shi),葉輪旋(xuan)轉方向正確,經不(bu)(bu)少于(yu)2H運轉后,滑動軸承(cheng)溫(wen)升不(bu)(bu)超(chao)過(guo)(guo)(guo)(guo)35度(du),高(gao)溫(wen)度(du)不(bu)(bu)超(chao)過(guo)(guo)(guo)(guo)70度(du);滾動軸承(cheng)溫(wen)升不(bu)(bu)超(chao)過(guo)(guo)(guo)(guo)40度(du),高(gao)溫(wen)度(du)不(bu)(bu)超(chao)過(guo)(guo)(guo)(guo)80度(du)。(2)離心(xin)風(feng)(feng)機(ji)(ji)(ji)與減(jian)震(zhen)(zhen)臺座(zuo)接(jie)觸緊(jin)密(mi),螺栓擰緊(jin),并有防松裝(zhuang)(zhuang)(zhuang)置。(3)管道風(feng)(feng)機(ji)(ji)(ji)采用(yong)減(jian)震(zhen)(zhen)吊架(jia)安(an)裝(zhuang)(zhuang)(zhuang)時(shi),風(feng)(feng)機(ji)(ji)(ji)與減(jian)震(zhen)(zhen)吊架(jia)連(lian)接(jie)緊(jin)密(mi),牢(lao)固(gu)可靠(kao);采用(yong)支(zhi)(zhi)拖(tuo)架(jia)安(an)裝(zhuang)(zhuang)(zhuang)時(shi),風(feng)(feng)機(ji)(ji)(ji)與減(jian)震(zhen)(zhen)器(qi)(qi)(qi)及(ji)支(zhi)(zhi)架(jia)、托(tuo)架(jia)連(lian)接(jie)緊(jin)密(mi),穩固(gu)可靠(kao)。2、過(guo)(guo)(guo)(guo)濾器(qi)(qi)(qi)、紙除塵(chen)器(qi)(qi)(qi)、過(guo)(guo)(guo)(guo)濾器(qi)(qi)(qi)吸收器(qi)(qi)(qi)安(an)裝(zhuang)(zhuang)(zhuang)應符合下(xia)列規定(1)各種設備(bei)(bei)的(de)型號、規格(ge)、額定風(feng)(feng)量必(bi)須(xu)符合設計(ji)要求(qiu)。(2)各種設備(bei)(bei)的(de)安(an)裝(zhuang)(zhuang)(zhuang)方向必(bi)須(xu)正確。(3)設備(bei)(bei)與管路連(lian)接(jie)時(shi),宜采用(yong)整體性(xing)的(de)橡膠軟管接(jie)頭,并不(bu)(bu)得漏氣;固(gu)定支(zhi)(zhi)架(jia)應平(ping)正穩定。(4)過(guo)(guo)(guo)(guo)濾器(qi)(qi)(qi)的(de)安(an)裝(zhuang)(zhuang)(zhuang)應固(gu)定牢(lao)固(gu),過(guo)(guo)(guo)(guo)濾器(qi)(qi)(qi)與框(kuang)架(jia)、框(kuang)架(jia)與維護結(jie)構(gou)之間無明顯縫隙。(5)紙除塵(chen)器(qi)(qi)(qi)和過(guo)(guo)(guo)(guo)濾器(qi)(qi)(qi)的(de)安(an)裝(zhuang)(zhuang)(zhuang),應固(gu)定牢(lao)固(gu),位置準確,連(lian)接(jie)嚴(yan)密(mi)。
一、通風(feng)(feng)(feng)(feng)與(yu)空(kong)(kong)(kong)(kong)(kong)調(diao)(diao)(diao)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)組成(cheng)與(yu)類別(一)通風(feng)(feng)(feng)(feng)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)組成(cheng),包括(kuo):進氣(qi)處(chu)(chu)理(li)(li)設(she)(she)備(bei)(bei),如(ru)空(kong)(kong)(kong)(kong)(kong)氣(qi)過濾設(she)(she)備(bei)(bei)、熱濕(shi)處(chu)(chu)理(li)(li)設(she)(she)備(bei)(bei)和空(kong)(kong)(kong)(kong)(kong)氣(qi)凈化(hua)設(she)(she)備(bei)(bei)等(deng)(deng)(deng);送(song)(song)(song)風(feng)(feng)(feng)(feng)機(ji)或(huo)排(pai)風(feng)(feng)(feng)(feng)機(ji);風(feng)(feng)(feng)(feng)道(dao)系(xi)(xi)統(tong)(tong)(tong)(tong),如(ru)風(feng)(feng)(feng)(feng)管、送(song)(song)(song)風(feng)(feng)(feng)(feng)口(kou)、排(pai)風(feng)(feng)(feng)(feng)口(kou)、排(pai)氣(qi)罩等(deng)(deng)(deng);排(pai)氣(qi)處(chu)(chu)理(li)(li)設(she)(she)備(bei)(bei),如(ru)除塵器、有害氣(qi)體凈化(hua)設(she)(she)備(bei)(bei)、風(feng)(feng)(feng)(feng)帽(mao)等(deng)(deng)(deng)。2.通風(feng)(feng)(feng)(feng)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)類別有:(二)空(kong)(kong)(kong)(kong)(kong)調(diao)(diao)(diao)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)組成(cheng)——空(kong)(kong)(kong)(kong)(kong)氣(qi)處(chu)(chu)理(li)(li)設(she)(she)備(bei)(bei)、熱源和冷(leng)源、空(kong)(kong)(kong)(kong)(kong)調(diao)(diao)(diao)風(feng)(feng)(feng)(feng)系(xi)(xi)統(tong)(tong)(tong)(tong)、水系(xi)(xi)統(tong)(tong)(tong)(tong)、控制(zhi)、調(diao)(diao)(diao)節(jie)(jie)裝置(zhi)(1)空(kong)(kong)(kong)(kong)(kong)氣(qi)處(chu)(chu)理(li)(li)設(she)(she)備(bei)(bei):空(kong)(kong)(kong)(kong)(kong)氣(qi)加(jia)熱或(huo)冷(leng)卻(que)設(she)(she)備(bei)(bei)、空(kong)(kong)(kong)(kong)(kong)氣(qi)加(jia)濕(shi)或(huo)去濕(shi)設(she)(she)備(bei)(bei)和空(kong)(kong)(kong)(kong)(kong)氣(qi)凈化(hua)設(she)(she)備(bei)(bei)等(deng)(deng)(deng);其作(zuo)用是將(jiang)送(song)(song)(song)風(feng)(feng)(feng)(feng)空(kong)(kong)(kong)(kong)(kong)氣(qi)處(chu)(chu)理(li)(li)到一定的(de)狀態。(2)熱源和冷(leng)源:常(chang)用的(de)熱源有提供熱水或(huo)蒸(zheng)汽的(de)鍋爐、電加(jia)熱器等(deng)(deng)(deng)。(3)空(kong)(kong)(kong)(kong)(kong)調(diao)(diao)(diao)風(feng)(feng)(feng)(feng)系(xi)(xi)統(tong)(tong)(tong)(tong):由風(feng)(feng)(feng)(feng)機(ji)和風(feng)(feng)(feng)(feng)管系(xi)(xi)統(tong)(tong)(tong)(tong)組成(cheng)。(4)水系(xi)(xi)統(tong)(tong)(tong)(tong):包括(kuo)將(jiang)冷(leng)凍水(或(huo)熱水)從(cong)制(zhi)冷(leng)系(xi)(xi)統(tong)(tong)(tong)(tong)(或(huo)熱源)輸送(song)(song)(song)到空(kong)(kong)(kong)(kong)(kong)氣(qi)處(chu)(chu)理(li)(li)設(she)(she)備(bei)(bei)的(de)水系(xi)(xi)統(tong)(tong)(tong)(tong)和制(zhi)冷(leng)設(she)(she)備(bei)(bei)的(de)冷(leng)卻(que)水系(xi)(xi)統(tong)(tong)(tong)(tong),由水泵和水管系(xi)(xi)統(tong)(tong)(tong)(tong)組成(cheng)。(5)控制(zhi)、調(diao)(diao)(diao)節(jie)(jie)裝置(zhi):裝置(zhi)的(de)作(zuo)用是調(diao)(diao)(diao)節(jie)(jie)空(kong)(kong)(kong)(kong)(kong)調(diao)(diao)(diao)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)冷(leng)量、熱量、風(feng)(feng)(feng)(feng)量等(deng)(deng)(deng),使空(kong)(kong)(kong)(kong)(kong)調(diao)(diao)(diao)系(xi)(xi)統(tong)(tong)(tong)(tong)的(de)工作(zuo)適應(ying)空(kong)(kong)(kong)(kong)(kong)調(diao)(diao)(diao)工況的(de)變化(hua),從(cong)而將(jiang)室內空(kong)(kong)(kong)(kong)(kong)氣(qi)狀況控制(zhi)在(zai)要求的(de)范(fan)圍(wei)內。
(1)風(feng)(feng)管(guan)(guan)布置(zhi)應(ying)(ying)盡(jin)量(liang)采用沿(yan)墻壁(bi)鋪設(she)的(de)方(fang)法,這樣(yang)在(zai)終裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)修時可(ke)形成凹(ao)凸頂結(jie)(jie)構,既保持(chi)了室內的(de)凈高,又使(shi)風(feng)(feng)管(guan)(guan)得到屏蔽,可(ke)以起到較(jiao)好的(de)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)修效果;(2)風(feng)(feng)管(guan)(guan)在(zai)布置(zhi)時應(ying)(ying)盡(jin)量(liang)短,彎(wan)頭不(bu)(bu)宜過(guo)多,轉角半徑不(bu)(bu)宜過(guo)小,并盡(jin)量(liang)避免管(guan)(guan)道(dao)突變徑,以減少(shao)沿(yan)程壓力的(de)損失(shi);(3)風(feng)(feng)管(guan)(guan)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)時不(bu)(bu)應(ying)(ying)破壞原有建筑的(de)結(jie)(jie)構,特別是承(cheng)重結(jie)(jie)構;(4)風(feng)(feng)管(guan)(guan)穿過(guo)墻壁(bi)處,其孔洞四周的(de)縫隙,應(ying)(ying)使(shi)用彈性材料填(tian)充密實;(5)為了降低噪聲,風(feng)(feng)管(guan)(guan)的(de)始端(與送(song)風(feng)(feng)機(ji)連接處)不(bu)(bu)宜急彎(wan),必要時,彎(wan)頭和(he)三通支管(guan)(guan)等(deng)處應(ying)(ying)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)設(she)導流葉片;(6)風(feng)(feng)管(guan)(guan)的(de)連接應(ying)(ying)嚴格(ge)按照(zhao)規(gui)范進(jin)行,粘貼應(ying)(ying)牢固(gu)、鋪設(she)應(ying)(ying)平整、綁扎應(ying)(ying)緊密,無(wu)滑動、松弛與斷(duan)裂現象,防止漏冷(熱(re));(7)輸送(song)易產生冷凝水空氣的(de)風(feng)(feng)管(guan)(guan),一定要按設(she)計要求的(de)坡度(du)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang);(8)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)要牢固(gu),所(suo)有吊、支、托架不(bu)(bu)得妨礙風(feng)(feng)口、閥門(men)、控制系統及檢查(cha)門(men)的(de)操作(zuo),并作(zuo)良好的(de)防銹處理(li);(9)新風(feng)(feng)管(guan)(guan)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)除應(ying)(ying)遵守送(song)風(feng)(feng)管(guan)(guan)道(dao)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)規(gui)定外,還應(ying)(ying)按設(she)計要求作(zuo)有坡度(du)安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)(坡向新風(feng)(feng)口);(10)新風(feng)(feng)口要有防雨和(he)過(guo)濾網罩(zhao),安(an)(an)裝(zhuang)(zhuang)(zhuang)(zhuang)(zhuang)位置(zhi)應(ying)(ying)選在(zai)空氣不(bu)(bu)受污染的(de)地方(fang)且(qie)便(bian)于檢修。
防(fang)火(huo)(huo)(huo)(huo)閥(fa)是用來(lai)阻斷來(lai)自火(huo)(huo)(huo)(huo)災(zai)區的(de)(de)(de)煙氣及(ji)(ji)火(huo)(huo)(huo)(huo)焰通過,并在(zai)(zai)一(yi)定時(shi)間內能滿足耐火(huo)(huo)(huo)(huo)穩定性和耐火(huo)(huo)(huo)(huo)完整性要(yao)求的(de)(de)(de)閥(fa)門(men)。為了將(jiang)火(huo)(huo)(huo)(huo)災(zai)引起的(de)(de)(de)損失減少到(dao)小程度,就必須采取有效的(de)(de)(de)防(fang)火(huo)(huo)(huo)(huo)、防(fang)排(pai)煙措(cuo)施,以控制火(huo)(huo)(huo)(huo)勢蔓延,而防(fang)火(huo)(huo)(huo)(huo)閥(fa)在(zai)(zai)通風、空調及(ji)(ji)防(fang)排(pai)煙系統(tong)中的(de)(de)(de)合理設置(zhi),則(ze)起到(dao)了重要(yao)的(de)(de)(de)作用。防(fang)火(huo)(huo)(huo)(huo)閥(fa)的(de)(de)(de)結構(gou)(gou)和工作原理,防(fang)火(huo)(huo)(huo)(huo)閥(fa)主要(yao)由閥(fa)體和執(zhi)行(xing)(xing)機(ji)構(gou)(gou)組成。閥(fa)體由殼體、法蘭、葉(xie)(xie)片(pian)(pian)及(ji)(ji)葉(xie)(xie)片(pian)(pian)聯動(dong)(dong)機(ji)構(gou)(gou)等組成。執(zhi)行(xing)(xing)機(ji)構(gou)(gou)由外(wai)殼、葉(xie)(xie)片(pian)(pian)調節機(ji)構(gou)(gou)、離合器(qi)、溫度熔斷器(qi)等組成。防(fang)火(huo)(huo)(huo)(huo)閥(fa)的(de)(de)(de)執(zhi)行(xing)(xing)機(ji)構(gou)(gou)是通過金屬易熔片(pian)(pian)和離合器(qi)機(ji)構(gou)(gou)來(lai)控制葉(xie)(xie)片(pian)(pian)的(de)(de)(de)轉動(dong)(dong)。