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雖然在(zai)商(shang)業(ye)建(jian)(jian)筑(zhu)與(yu)多(duo)種居住(zhu)房的(de)(de)(de)(de)(de)被動消防(fang)(fang)(fang)中(zhong)(zhong),防(fang)(fang)(fang)火(huo)(huo)(huo)閥(fa)是(shi)關鍵組件(jian),但在(zai)對(dui)建(jian)(jian)筑(zhu)和其居住(zhu)者(zhe)的(de)(de)(de)(de)(de)安(an)全保(bao)護(hu)中(zhong)(zhong),很多(duo)管理(li)者(zhe)沒有(you)意識到防(fang)(fang)(fang)火(huo)(huo)(huo)閥(fa)的(de)(de)(de)(de)(de)作用以及(ji)規定時間間隔(ge)(ge)內,防(fang)(fang)(fang)火(huo)(huo)(huo)閥(fa)的(de)(de)(de)(de)(de)檢測、清潔及(ji)維護(hu)的(de)(de)(de)(de)(de)重要意義。在(zai)商(shang)業(ye)建(jian)(jian)筑(zhu)中(zhong)(zhong)的(de)(de)(de)(de)(de)建(jian)(jian)造中(zhong)(zhong)我們總(zong)會遇到一些麻煩,試(shi)圖在(zai)能源效率與(yu)室(shi)內空(kong)氣質量之間尋求平(ping)衡(heng)就是(shi)其中(zhong)(zhong)。大多(duo)商(shang)業(ye)建(jian)(jian)筑(zhu)通(tong)過(guo)機械通(tong)風(feng)(feng)或空(kong)調系(xi)統解(jie)決(jue),能夠測量和控制整個(ge)建(jian)(jian)筑(zhu)的(de)(de)(de)(de)(de)空(kong)氣變(bian)化。在(zai)通(tong)風(feng)(feng)管道(dao)(dao)系(xi)統的(de)(de)(de)(de)(de)安(an)裝上(shang)就存(cun)在(zai)上(shang)面提到的(de)(de)(de)(de)(de)問(wen)題———如何(he)在(zai)延(yan)遲或阻止火(huo)(huo)(huo)災蔓延(yan)的(de)(de)(de)(de)(de)建(jian)(jian)筑(zhu)防(fang)(fang)(fang)火(huo)(huo)(huo)分隔(ge)(ge)與(yu)所允許空(kong)氣自由(you)流通(tong)的(de)(de)(de)(de)(de)需要之間達到平(ping)衡(heng)。滿足空(kong)氣自由(you)流通(tong)需要不可避免地再引(yin)入一條通(tong)道(dao)(dao),而這卻加快了火(huo)(huo)(huo)勢的(de)(de)(de)(de)(de)蔓延(yan)———利用通(tong)風(feng)(feng)管道(dao)(dao)系(xi)統使用的(de)(de)(de)(de)(de)通(tong)道(dao)(dao)。毫(hao)無疑問(wen),這中(zhong)(zhong)斷了防(fang)(fang)(fang)火(huo)(huo)(huo)分隔(ge)(ge),充(chong)當了建(jian)(jian)筑(zhu)被動消防(fang)(fang)(fang)護(hu)面的(de)(de)(de)(de)(de)“裂(lie)口(kou)”。
1) 送風,包括通氣,如送鮮風和排氣,這個范圍很廣,如工廠車間,生產場地空氣,由于有害氣體產生需要排出室外,又需要把中央空調室外空氣輸送至室內。這時就要使用流量大而壓力小的空氣輸送管道,螺旋風管就適用,九龍坡中央空調一般情況下使(shi)用(yong)(yong)鍍鋅鐵管(guan)(guan)(guan)(guan),有腐蝕(shi)性及(ji)特(te)別(bie)潮濕場所使(shi)用(yong)(yong)不銹鋼管(guan)(guan)(guan)(guan)。2) 送冷風(feng)(feng)。常見(jian)的(de)是(shi)中(zhong)(zhong)央空調的(de)管(guan)(guan)(guan)(guan)道,這種管(guan)(guan)(guan)(guan)道需(xu)(xu)要(yao)加保(bao)溫(wen)(wen)材料。螺旋(xuan)風(feng)(feng)管(guan)(guan)(guan)(guan)可(ke)內貼保(bao)溫(wen)(wen)材料,外表看來美觀(guan)。3) 排油(you)煙。飯店(dian)、酒樓、賓(bin)館的(de)廚(chu)房均有大量油(you)煙產生(sheng),需(xu)(xu)要(yao)排出,使(shi)用(yong)(yong)圓形的(de)風(feng)(feng)管(guan)(guan)(guan)(guan)就是(shi)油(you)煙囪(cong)。在這里(li),螺旋(xuan)風(feng)(feng)管(guan)(guan)(guan)(guan)該(gai)叫做油(you)煙管(guan)(guan)(guan)(guan)。4) 除塵(chen)(chen)(chen)。有些工廠生(sheng)產車(che)間很多塵(chen)(chen)(chen)埃,需(xu)(xu)要(yao)專門的(de)除塵(chen)(chen)(chen)裝(zhuang)置,其中(zhong)(zhong)量較大的(de)管(guan)(guan)(guan)(guan)道,可(ke)使(shi)用(yong)(yong)螺旋(xuan)風(feng)(feng)管(guan)(guan)(guan)(guan)。5) 散(san)裝(zhuang)物(wu)料輸送。有些工廠的(de)生(sheng)產過程(cheng)中(zhong)(zhong),需(xu)(xu)要(yao)輸送松散(san)的(de)顆粒(li),特(te)別(bie)是(shi)比(bi)重不大的(de)如發(fa)泡塑(su)料粒(li)之類(lei)的(de)使(shi)用(yong)(yong)螺旋(xuan)風(feng)(feng)管(guan)(guan)(guan)(guan)造(zao)價低、效(xiao)果好。
一、通風(feng)(feng)(feng)(feng)與空(kong)(kong)(kong)(kong)調系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)組(zu)(zu)成(cheng)與類別(一)通風(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)組(zu)(zu)成(cheng),包括:進(jin)氣(qi)(qi)處(chu)(chu)(chu)(chu)(chu)理(li)設(she)(she)備(bei)(bei)(bei),如空(kong)(kong)(kong)(kong)氣(qi)(qi)過濾設(she)(she)備(bei)(bei)(bei)、熱(re)濕(shi)處(chu)(chu)(chu)(chu)(chu)理(li)設(she)(she)備(bei)(bei)(bei)和空(kong)(kong)(kong)(kong)氣(qi)(qi)凈(jing)(jing)化(hua)(hua)設(she)(she)備(bei)(bei)(bei)等(deng);送(song)風(feng)(feng)(feng)(feng)機或排(pai)風(feng)(feng)(feng)(feng)機;風(feng)(feng)(feng)(feng)道(dao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong),如風(feng)(feng)(feng)(feng)管、送(song)風(feng)(feng)(feng)(feng)口(kou)、排(pai)風(feng)(feng)(feng)(feng)口(kou)、排(pai)氣(qi)(qi)罩等(deng);排(pai)氣(qi)(qi)處(chu)(chu)(chu)(chu)(chu)理(li)設(she)(she)備(bei)(bei)(bei),如除塵器(qi)、有害氣(qi)(qi)體凈(jing)(jing)化(hua)(hua)設(she)(she)備(bei)(bei)(bei)、風(feng)(feng)(feng)(feng)帽等(deng)。2.通風(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)類別有:(二)空(kong)(kong)(kong)(kong)調系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)組(zu)(zu)成(cheng)——空(kong)(kong)(kong)(kong)氣(qi)(qi)處(chu)(chu)(chu)(chu)(chu)理(li)設(she)(she)備(bei)(bei)(bei)、熱(re)源和冷(leng)(leng)源、空(kong)(kong)(kong)(kong)調風(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)、水(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)、控制、調節裝(zhuang)(zhuang)置(1)空(kong)(kong)(kong)(kong)氣(qi)(qi)處(chu)(chu)(chu)(chu)(chu)理(li)設(she)(she)備(bei)(bei)(bei):空(kong)(kong)(kong)(kong)氣(qi)(qi)加(jia)(jia)熱(re)或冷(leng)(leng)卻設(she)(she)備(bei)(bei)(bei)、空(kong)(kong)(kong)(kong)氣(qi)(qi)加(jia)(jia)濕(shi)或去濕(shi)設(she)(she)備(bei)(bei)(bei)和空(kong)(kong)(kong)(kong)氣(qi)(qi)凈(jing)(jing)化(hua)(hua)設(she)(she)備(bei)(bei)(bei)等(deng);其作(zuo)用(yong)(yong)是將(jiang)送(song)風(feng)(feng)(feng)(feng)空(kong)(kong)(kong)(kong)氣(qi)(qi)處(chu)(chu)(chu)(chu)(chu)理(li)到一定的(de)(de)(de)狀(zhuang)(zhuang)態。(2)熱(re)源和冷(leng)(leng)源:常用(yong)(yong)的(de)(de)(de)熱(re)源有提供熱(re)水(shui)(shui)(shui)或蒸汽的(de)(de)(de)鍋爐、電加(jia)(jia)熱(re)器(qi)等(deng)。(3)空(kong)(kong)(kong)(kong)調風(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong):由(you)風(feng)(feng)(feng)(feng)機和風(feng)(feng)(feng)(feng)管系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)組(zu)(zu)成(cheng)。(4)水(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong):包括將(jiang)冷(leng)(leng)凍(dong)水(shui)(shui)(shui)(或熱(re)水(shui)(shui)(shui))從(cong)制冷(leng)(leng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)(或熱(re)源)輸送(song)到空(kong)(kong)(kong)(kong)氣(qi)(qi)處(chu)(chu)(chu)(chu)(chu)理(li)設(she)(she)備(bei)(bei)(bei)的(de)(de)(de)水(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)和制冷(leng)(leng)設(she)(she)備(bei)(bei)(bei)的(de)(de)(de)冷(leng)(leng)卻水(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong),由(you)水(shui)(shui)(shui)泵和水(shui)(shui)(shui)管系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)組(zu)(zu)成(cheng)。(5)控制、調節裝(zhuang)(zhuang)置:裝(zhuang)(zhuang)置的(de)(de)(de)作(zuo)用(yong)(yong)是調節空(kong)(kong)(kong)(kong)調系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)冷(leng)(leng)量(liang)、熱(re)量(liang)、風(feng)(feng)(feng)(feng)量(liang)等(deng),使空(kong)(kong)(kong)(kong)調系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(tong)(tong)的(de)(de)(de)工作(zuo)適應空(kong)(kong)(kong)(kong)調工況的(de)(de)(de)變化(hua)(hua),從(cong)而(er)將(jiang)室內(nei)空(kong)(kong)(kong)(kong)氣(qi)(qi)狀(zhuang)(zhuang)況控制在要求(qiu)的(de)(de)(de)范圍(wei)內(nei)。
1、在設計靜(jing)壓(ya)箱(xiang)時(shi),如果(guo)按著(zhu)規定(ding)的(de)(de)(de)(de)風(feng)(feng)(feng)速成進行設計,箱(xiang)體(ti)將會(hui)很大(da)(da)(da);一(yi)(yi)般(ban)(ban)的(de)(de)(de)(de)靜(jing)壓(ya)箱(xiang)長邊(bian)(bian)要(yao)(yao)寬出風(feng)(feng)(feng)管邊(bian)(bian)400mm,高(gao)度(du)(du)(du)(du)要(yao)(yao)寬出風(feng)(feng)(feng)管高(gao)度(du)(du)(du)(du)400mm ;2、選(xuan)靜(jing)壓(ya)箱(xiang)的(de)(de)(de)(de)經驗(yan)是5~10db(a)/m,阻抗復合型(似乎空(kong)調通風(feng)(feng)(feng)系(xi)統一(yi)(yi)般(ban)(ban)都用這個)消聲(sheng)器10~15db(a)/m;3、控制風(feng)(feng)(feng)速 在2.5以內 若體(ti)積(ji)太大(da)(da)(da)可適當得提(ti)高(gao)一(yi)(yi)下風(feng)(feng)(feng)速 關于長度(du)(du)(du)(du)一(yi)(yi)般(ban)(ban)大(da)(da)(da)于1米(mi)沒有(you)其(qi)他得強制要(yao)(yao)求 ;4、高(gao)度(du)(du)(du)(du)×深度(du)(du)(du)(du)=靜(jing)壓(ya)箱(xiang)截(jie)面(mian)(mian)(mian)面(mian)(mian)(mian)積(ji),靜(jing)壓(ya)箱(xiang)截(jie)面(mian)(mian)(mian)面(mian)(mian)(mian)積(ji)×2.5m/s=風(feng)(feng)(feng)機風(feng)(feng)(feng)量(liang)(liang),至于高(gao)度(du)(du)(du)(du)和深度(du)(du)(du)(du)怎么(me)配,自(zi)己(ji)把握吧;5、用你機組的(de)(de)(de)(de)風(feng)(feng)(feng)量(liang)(liang)L÷3米(mi)/秒(miao),可得到你靜(jing)壓(ya)箱(xiang)一(yi)(yi)個面(mian)(mian)(mian)的(de)(de)(de)(de)面(mian)(mian)(mian)積(ji),然后你根據你房子(zi)的(de)(de)(de)(de)高(gao)度(du)(du)(du)(du),假如是4米(mi),可你的(de)(de)(de)(de)機組是2米(mi)高(gao),在減去軟接頭大(da)(da)(da)概0.5米(mi),上面(mian)(mian)(mian)留高(gao)0.5米(mi),那你的(de)(de)(de)(de)靜(jing)壓(ya)箱(xiang)只有(you)1米(mi)高(gao),那你就(jiu)可以確定(ding)寬度(du)(du)(du)(du)了(le)(le),有(you)了(le)(le)兩(liang)個數,第三個數也(ye)就(jiu)容易確定(ding)了(le)(le),這里(li)主要(yao)(yao)的(de)(de)(de)(de)是要(yao)(yao)看自(zi)己(ji)的(de)(de)(de)(de)空(kong)調機房夠(gou)(gou)不(bu)夠(gou)(gou)位置(zhi),如果(guo)夠(gou)(gou)位置(zhi)就(jiu)盡量(liang)(liang)的(de)(de)(de)(de)大(da)(da)(da)點!!長度(du)(du)(du)(du)的(de)(de)(de)(de)計算方法(fa)也(ye)是一(yi)(yi)樣的(de)(de)(de)(de),你知(zhi)道了(le)(le)寬度(du)(du)(du)(du),那么(me)你的(de)(de)(de)(de)寬度(du)(du)(du)(du)乘以長度(du)(du)(du)(du)不(bu)也(ye)是有(you)個面(mian)(mian)(mian)積(ji)嗎?這個面(mian)(mian)(mian)積(ji)也(ye)要(yao)(yao)等于L/3,不(bu)過(guo)在設計院里(li)的(de)(de)(de)(de)面(mian)(mian)(mian)風(feng)(feng)(feng)速是取(qu)用2m/s的(de)(de)(de)(de),如果(guo)夠(gou)(gou)空(kong)間,就(jiu)做(zuo)大(da)(da)(da)點吧;
1、想(xiang)要(yao)讓(rang)排(pai)(pai)水(shui)(shui)管(guan)(guan)能(neng)夠很好的(de)(de)(de)(de)排(pai)(pai)水(shui)(shui),我們就(jiu)(jiu)需(xu)要(yao)注意在安裝排(pai)(pai)水(shui)(shui)管(guan)(guan)的(de)(de)(de)(de)時(shi)候,讓(rang)排(pai)(pai)水(shui)(shui)管(guan)(guan)能(neng)夠有一(yi)(yi)個輕微的(de)(de)(de)(de)斜坡,這樣就(jiu)(jiu)不會(hui)出(chu)(chu)現(xian)(xian)排(pai)(pai)水(shui)(shui)管(guan)(guan)有可能(neng)過高而出(chu)(chu)現(xian)(xian)當中央空調(diao)停止(zhi)工作時(shi),內機的(de)(de)(de)(de)水(shui)(shui)會(hui)出(chu)(chu)現(xian)(xian)倒流(liu)的(de)(de)(de)(de)情況,這樣就(jiu)(jiu)會(hui)將(jiang)吊頂泡(pao)壞(huai)。2、還需(xu)要(yao)注意的(de)(de)(de)(de)是(shi)(shi)在安裝排(pai)(pai)水(shui)(shui)管(guan)(guan)的(de)(de)(de)(de)時(shi)候要(yao)對排(pai)(pai)水(shui)(shui)管(guan)(guan)的(de)(de)(de)(de)外(wai)部做(zuo)(zuo)一(yi)(yi)層保(bao)溫處(chu)理,如果不做(zuo)(zuo)保(bao)溫,那么就(jiu)(jiu)會(hui)在制冷時(shi)間長后,排(pai)(pai)水(shui)(shui)管(guan)(guan)的(de)(de)(de)(de)表面會(hui)出(chu)(chu)現(xian)(xian)滴水(shui)(shui)的(de)(de)(de)(de)情況,這樣對吊頂是(shi)(shi)有著一(yi)(yi)定的(de)(de)(de)(de)損壞(huai)的(de)(de)(de)(de)。所以要(yao)使用一(yi)(yi)些保(bao)溫材料,將(jiang)排(pai)(pai)水(shui)(shui)管(guan)(guan)的(de)(de)(de)(de)保(bao)溫做(zuo)(zuo)好。
鑒于軸(zhou)流(liu)(liu)(liu)風機(ji)有紊流(liu)(liu)(liu)區的(de)(de)(de)性(xing)能特點,在(zai)(zai)(zai)選(xuan)型和使用時(shi)(shi),需要(yao)注意(yi)以下(xia)兩點:建議使用在(zai)(zai)(zai)空曠環(huan)(huan)境中,軸(zhou)流(liu)(liu)(liu)風機(ji)的(de)(de)(de)輸(shu)入(ru)功(gong)率隨系統(tong)靜(jing)壓(ya)的(de)(de)(de)增(zeng)(zeng)大(da)而(er)增(zeng)(zeng)大(da),而(er)在(zai)(zai)(zai)紊流(liu)(liu)(liu)區,輸(shu)入(ru)功(gong)率的(de)(de)(de)增(zeng)(zeng)大(da)幅度會更大(da)。因(yin)此,軸(zhou)流(liu)(liu)(liu)風機(ji)一(yi)般多(duo)應用在(zai)(zai)(zai)有較大(da)空曠環(huan)(huan)境的(de)(de)(de)場(chang)合(he)下(xia),可以使其工(gong)作在(zai)(zai)(zai)靜(jing)壓(ya)較低(di)(di)的(de)(de)(de)環(huan)(huan)境下(xia),降低(di)(di)功(gong)耗,保證穩定性(xing)和壽(shou)命(ming)。定期清理風道,當軸(zhou)流(liu)(liu)(liu)風機(ji)應用在(zai)(zai)(zai)較為封閉的(de)(de)(de)風道系統(tong)中時(shi)(shi),長期運行后風道中的(de)(de)(de)積灰(hui)、垃圾逐(zhu)漸(jian)變多(duo),會使風道內的(de)(de)(de)靜(jing)壓(ya)逐(zhu)漸(jian)增(zeng)(zeng)加,使得風機(ji)的(de)(de)(de)運行工(gong)況點逐(zhu)漸(jian)左移。這不僅會降低(di)(di)風機(ji)性(xing)能,更重要(yao)的(de)(de)(de)是會增(zeng)(zeng)加軸(zhou)流(liu)(liu)(liu)風機(ji)進入(ru)紊流(liu)(liu)(liu)區的(de)(de)(de)風險。因(yin)此必(bi)須要(yao)定期清理風道,保證風機(ji)工(gong)況點不產(chan)生較大(da)偏移。