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層(ceng)高(gao)(gao)(gao)過高(gao)(gao)(gao)如何提(ti)高(gao)(gao)(gao)制冷效果(guo),解(jie)決方案:較之(zhi)(zhi)于常(chang)規層(ceng)高(gao)(gao)(gao)的(de)(de)房屋(wu)(一般為(wei)2.6-2.7米(mi)(mi)左(zuo)右)。別(bie)(bie)墅(shu)的(de)(de)層(ceng)高(gao)(gao)(gao)一般都為(wei)3米(mi)(mi)甚至以上的(de)(de)高(gao)(gao)(gao)度。此前提(ti)下(xia)中央空調制冷和(he)采暖的(de)(de)配比較之(zhi)(zhi)于一般層(ceng)高(gao)(gao)(gao)的(de)(de)房屋(wu)會(hui)更高(gao)(gao)(gao)。如一般平(ping)(ping)(ping)層(ceng)的(de)(de)配比為(wei)200w/平(ping)(ping)(ping)方。別(bie)(bie)墅(shu)為(wei)230-280w/平(ping)(ping)(ping)方。空調外(wai)機(ji)需(xu)要(yao)如何擺放較為(wei)合(he)理,解(jie)決方案:別(bie)(bie)墅(shu)由于面(mian)積較大(da),較之(zhi)(zhi)于平(ping)(ping)(ping)層(ceng)一般外(wai)機(ji)的(de)(de)功率較大(da)。體積也就較之(zhi)(zhi)平(ping)(ping)(ping)層(ceng)會(hui)更大(da)。一般的(de)(de)擺放位(wei)(wei)置(zhi)位(wei)(wei)于本身建(jian)筑(zhu)的(de)(de)自留機(ji)位(wei)(wei)或(huo)者位(wei)(wei)于門口或(huo)者陽(yang)臺(tai)花園(yuan)的(de)(de)平(ping)(ping)(ping)臺(tai)之(zhi)(zhi)上。鋪設可(ke)供平(ping)(ping)(ping)衡(heng)的(de)(de)水泥臺(tai)面(mian)即可(ke)。
1、 薄(bo)鋼板(ban)矩形(xing)(xing)(xing)(xing)風(feng)(feng)管(guan)(guan)(guan)的(de)剛度(du)不(bu)夠,表(biao)(biao)現形(xing)(xing)(xing)(xing)式(shi):風(feng)(feng)管(guan)(guan)(guan)的(de)大(da)邊(bian)(bian)(bian)上下(xia)(xia)有(you)不(bu)同程度(du)的(de)下(xia)(xia)沉,兩側(ce)面(mian)(mian)小邊(bian)(bian)(bian)稍向外凸出,有(you)明顯的(de)變形(xing)(xing)(xing)(xing)。對(dui)產(chan)生(sheng)的(de)原因分析(xi):① 制(zhi)作風(feng)(feng)管(guan)(guan)(guan)的(de)鋼板(ban)厚度(du)不(bu)符合施(shi)工(gong)(gong)及驗收(shou)規(gui)范的(de)要求(qiu);② 咬口的(de)形(xing)(xing)(xing)(xing)式(shi)選擇不(bu)當;③ 沒有(you)按照(zhao)《施(shi)工(gong)(gong)及驗收(shou)規(gui)范》要求(qiu),對(dui)于邊(bian)(bian)(bian)長(chang)≥630 mm或保(bao)溫風(feng)(feng)管(guan)(guan)(guan)≥800 mm,其(qi)管(guan)(guan)(guan)長(chang)在1 200mm以上,均(jun)應采取加固措施(shi)。2 、薄(bo)鋼板(ban)矩形(xing)(xing)(xing)(xing)風(feng)(feng)管(guan)(guan)(guan)扭曲、翹角,表(biao)(biao)現形(xing)(xing)(xing)(xing)式(shi):風(feng)(feng)管(guan)(guan)(guan)表(biao)(biao)面(mian)(mian)不(bu)平(ping)(ping);對(dui)角線(xian)不(bu)相(xiang)等;相(xiang)鄰表(biao)(biao)面(mian)(mian)互不(bu)垂直;兩相(xiang)對(dui)表(biao)(biao)面(mian)(mian)不(bu)平(ping)(ping)行(xing)及兩管(guan)(guan)(guan)端平(ping)(ping)面(mian)(mian)不(bu)平(ping)(ping)行(xing)等。產(chan)生(sheng)的(de)原因分析(xi):① 矩形(xing)(xing)(xing)(xing)板(ban)料下(xia)(xia)料后,未對(dui)四個角進行(xing)嚴格的(de)角方測(ce)量;② 風(feng)(feng)管(guan)(guan)(guan)的(de)大(da)邊(bian)(bian)(bian)或小邊(bian)(bian)(bian)的(de)兩個相(xiang)對(dui)面(mian)(mian)的(de)板(ban)料長(chang)度(du)和(he)寬度(du)不(bu)相(xiang)等;③ 風(feng)(feng)管(guan)(guan)(guan)的(de)四個角處的(de)咬口寬度(du)不(bu)相(xiang)等;④ 手(shou)工(gong)(gong)咬口合縫(feng)受力(li)不(bu)均(jun)。
風機分類可以按氣體流動的方向,分為離心式、軸流式、斜流式和橫流式等類型。這種風機分類的機器有:離心風機工作時,動力機(主要是電動機)驅動葉輪在蝸形機殼內旋轉,空氣經吸氣口從葉輪中心處吸入。由于通風管葉片對氣體的動力作用,氣體壓力和速度得以提高,并在離心力作用下沿著葉道甩向機殼,推薦通風管從排氣(qi)口(kou)排出。因(yin)氣(qi)體在葉輪(lun)內(nei)的(de)流動主(zhu)要(yao)(yao)是在徑(jing)向平(ping)面內(nei),故又(you)稱(cheng)徑(jing)流風機(ji)。離心(xin)風機(ji)主(zhu)要(yao)(yao)由(you)葉輪(lun)和機(ji)殼組成(cheng),小(xiao)型(xing)風機(ji)的(de)葉輪(lun)直接(jie)裝在電(dian)動機(ji)上中、大型(xing)風機(ji)通過聯軸器或皮帶輪(lun)與電(dian)動機(ji)聯接(jie)。離心(xin)風機(ji)一(yi)般為單側進氣(qi),用(yong)單級葉輪(lun);流量大的(de)可(ke)雙側進氣(qi),用(yong)兩個(ge)背靠背的(de)葉輪(lun),又(you)稱(cheng)為雙吸式離心(xin)風機(ji)。
(1)風(feng)(feng)(feng)管(guan)(guan)(guan)布(bu)置(zhi)應(ying)(ying)盡(jin)量(liang)采用沿墻壁鋪設的(de)(de)(de)(de)方(fang)法,這樣(yang)在(zai)終裝(zhuang)(zhuang)修時可形成凹凸頂結構,既保持了室內(nei)的(de)(de)(de)(de)凈高,又(you)使風(feng)(feng)(feng)管(guan)(guan)(guan)得到屏蔽,可以起到較好(hao)的(de)(de)(de)(de)裝(zhuang)(zhuang)修效(xiao)果;(2)風(feng)(feng)(feng)管(guan)(guan)(guan)在(zai)布(bu)置(zhi)時應(ying)(ying)盡(jin)量(liang)短,彎(wan)頭不宜過(guo)多(duo),轉角半(ban)徑(jing)(jing)不宜過(guo)小(xiao),并(bing)盡(jin)量(liang)避(bi)免管(guan)(guan)(guan)道(dao)突變徑(jing)(jing),以減少沿程壓力的(de)(de)(de)(de)損失;(3)風(feng)(feng)(feng)管(guan)(guan)(guan)安(an)(an)(an)裝(zhuang)(zhuang)時不應(ying)(ying)破壞原有建筑的(de)(de)(de)(de)結構,特別是(shi)承重結構;(4)風(feng)(feng)(feng)管(guan)(guan)(guan)穿過(guo)墻壁處,其孔(kong)洞四周的(de)(de)(de)(de)縫隙,應(ying)(ying)使用彈性材(cai)料(liao)填(tian)充密實;(5)為了降低噪聲,風(feng)(feng)(feng)管(guan)(guan)(guan)的(de)(de)(de)(de)始(shi)端(duan)(與(yu)(yu)送(song)(song)風(feng)(feng)(feng)機連(lian)接處)不宜急(ji)彎(wan),必要(yao)(yao)時,彎(wan)頭和(he)(he)三通支(zhi)管(guan)(guan)(guan)等處應(ying)(ying)裝(zhuang)(zhuang)設導流葉片;(6)風(feng)(feng)(feng)管(guan)(guan)(guan)的(de)(de)(de)(de)連(lian)接應(ying)(ying)嚴格按(an)照規(gui)范(fan)進(jin)行(xing),粘貼(tie)應(ying)(ying)牢固、鋪設應(ying)(ying)平整、綁(bang)扎應(ying)(ying)緊密,無滑動、松弛與(yu)(yu)斷裂現象(xiang),防(fang)止(zhi)漏冷(熱(re));(7)輸送(song)(song)易產生(sheng)冷凝水空氣的(de)(de)(de)(de)風(feng)(feng)(feng)管(guan)(guan)(guan),一定要(yao)(yao)按(an)設計(ji)要(yao)(yao)求(qiu)的(de)(de)(de)(de)坡(po)(po)(po)度安(an)(an)(an)裝(zhuang)(zhuang);(8)安(an)(an)(an)裝(zhuang)(zhuang)要(yao)(yao)牢固,所有吊、支(zhi)、托(tuo)架(jia)不得妨礙風(feng)(feng)(feng)口(kou)、閥門、控制系統及檢(jian)查(cha)門的(de)(de)(de)(de)操作,并(bing)作良好(hao)的(de)(de)(de)(de)防(fang)銹處理(li);(9)新風(feng)(feng)(feng)管(guan)(guan)(guan)安(an)(an)(an)裝(zhuang)(zhuang)除應(ying)(ying)遵守送(song)(song)風(feng)(feng)(feng)管(guan)(guan)(guan)道(dao)安(an)(an)(an)裝(zhuang)(zhuang)規(gui)定外(wai),還(huan)應(ying)(ying)按(an)設計(ji)要(yao)(yao)求(qiu)作有坡(po)(po)(po)度安(an)(an)(an)裝(zhuang)(zhuang)(坡(po)(po)(po)向新風(feng)(feng)(feng)口(kou));(10)新風(feng)(feng)(feng)口(kou)要(yao)(yao)有防(fang)雨和(he)(he)過(guo)濾(lv)網(wang)罩(zhao),安(an)(an)(an)裝(zhuang)(zhuang)位置(zhi)應(ying)(ying)選在(zai)空氣不受污染(ran)的(de)(de)(de)(de)地方(fang)且(qie)便于檢(jian)修。
防(fang)(fang)(fang)火閥(fa):采(cai)用(yong)(yong)70℃溫度熔斷(duan)器自(zi)動(dong)關閉(防(fang)(fang)(fang)火).可(ke)輸(shu)(shu)出聯動(dong)訊(xun)號(hao)(hao),用(yong)(yong)于通(tong)風(feng)空調系(xi)統風(feng)管(guan)(guan)(guan)內(nei),防(fang)(fang)(fang)止火勢沿風(feng)管(guan)(guan)(guan)蔓延。排煙(yan)防(fang)(fang)(fang)火閥(fa):電訊(xun)號(hao)(hao)開啟,手動(dong)開啟,輸(shu)(shu)出動(dong)作(zuo)電訊(xun)號(hao)(hao).用(yong)(yong)于排煙(yan)風(feng)機吸入口管(guan)(guan)(guan)道(dao)或排煙(yan)支(zhi)管(guan)(guan)(guan)上。采(cai)用(yong)(yong)280℃溫度熔斷(duan)器重新關閉。防(fang)(fang)(fang)火閥(fa)——通(tong)風(feng)空調系(xi)統70℃:風(feng)管(guan)(guan)(guan)穿越防(fang)(fang)(fang)火分區(qu)、隔墻樓板、水平風(feng)管(guan)(guan)(guan)的水平管(guan)(guan)(guan)段上(系(xi)統獨立(li)設置可(ke)不(bu)設)、公(gong)共(gong)建筑(zhu)豎向排風(feng)管(guan)(guan)(guan)支(zhi)管(guan)(guan)(guan);150℃:公(gong)共(gong)建筑(zhu)廚房(fang)排油(you)煙(yan)管(guan)(guan)(guan)支(zhi)管(guan)(guan)(guan);排煙(yan)防(fang)(fang)(fang)火閥(fa)——消(xiao)防(fang)(fang)(fang)排煙(yan)系(xi)統280℃:消(xiao)防(fang)(fang)(fang)排煙(yan)管(guan)(guan)(guan)道(dao);
防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)的(de)(de)外觀,防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)應(ying)(ying)外觀完好無損(sun),機(ji)械部分(fen)外表無銹蝕、變形或(huo)(huo)機(ji)械損(sun)傷。在其明顯部位(wei)(wei)設(she)(she)置(zhi)永久(jiu)性(xing)(xing)標(biao)(biao)(biao)牌,標(biao)(biao)(biao)明產品(pin)名(ming)稱、型號、規格、耐火(huo)(huo)性(xing)(xing)能(neng)及(ji)商標(biao)(biao)(biao)、生(sheng)產單位(wei)(wei)(制造商)名(ming)稱和廠址、出(chu)日期(qi)及(ji)產品(pin)生(sheng)產批號、執行標(biao)(biao)(biao)準等,內(nei)(nei)容清晰,設(she)(she)置(zhi)牢靠(kao)。防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)的(de)(de)安(an)裝(zhuang)位(wei)(wei)置(zhi)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)主要安(an)裝(zhuang)在風(feng)(feng)管(guan)(guan)(guan)靠(kao)近(jin)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分(fen)隔(ge)(ge)(ge)處,暗(an)裝(zhuang)時,安(an)裝(zhuang)部位(wei)(wei)應(ying)(ying)設(she)(she)置(zhi)方便維護的(de)(de)檢(jian)修口。具體檢(jian)查要求為(wei):(1)通風(feng)(feng)、空(kong)調(diao)(diao)系(xi)統(tong)的(de)(de)風(feng)(feng)管(guan)(guan)(guan),在以下(xia)部位(wei)(wei)應(ying)(ying)設(she)(she)置(zhi)公(gong)(gong)稱動(dong)作(zuo)溫度為(wei)70℃的(de)(de)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa):①穿越防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分(fen)區處;②穿越通風(feng)(feng)、空(kong)調(diao)(diao)機(ji)房的(de)(de)房間(jian)隔(ge)(ge)(ge)墻(qiang)(qiang)和樓板處;③穿越重要或(huo)(huo)火(huo)(huo)災(zai)危險性(xing)(xing)大的(de)(de)房間(jian)隔(ge)(ge)(ge)墻(qiang)(qiang)和樓板處;④穿越防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分(fen)隔(ge)(ge)(ge)處的(de)(de)變形縫兩側;⑤豎向風(feng)(feng)管(guan)(guan)(guan)與每(mei)層(ceng)水平風(feng)(feng)管(guan)(guan)(guan)交(jiao)接(jie)(jie)處的(de)(de)水平管(guan)(guan)(guan)段(duan)上。當(dang)建筑內(nei)(nei)每(mei)個防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分(fen)區的(de)(de)通風(feng)(feng)、空(kong)調(diao)(diao)系(xi)統(tong)均獨立設(she)(she)置(zhi)時,水平風(feng)(feng)管(guan)(guan)(guan)與豎向總(zong)管(guan)(guan)(guan)的(de)(de)交(jiao)接(jie)(jie)處可不設(she)(she)置(zhi)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)。(2)公(gong)(gong)共建筑的(de)(de)浴室、衛生(sheng)間(jian)和廚(chu)房的(de)(de)豎向排(pai)風(feng)(feng)管(guan)(guan)(guan),應(ying)(ying)采(cai)取防(fang)(fang)(fang)(fang)(fang)止回流措施,并宜在支(zhi)管(guan)(guan)(guan)上設(she)(she)置(zhi)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)。(3)公(gong)(gong)共建筑內(nei)(nei)廚(chu)房的(de)(de)排(pai)油煙管(guan)(guan)(guan)道,宜按防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)分(fen)區設(she)(she)置(zhi),且在與豎向排(pai)風(feng)(feng)管(guan)(guan)(guan)連接(jie)(jie)的(de)(de)支(zhi)管(guan)(guan)(guan)處應(ying)(ying)設(she)(she)置(zhi)防(fang)(fang)(fang)(fang)(fang)火(huo)(huo)閥(fa)(fa)。