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一(yi)、風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)及部件安(an)(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)有(you)關(guan)規定(ding)1.風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)安(an)(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)強制(zhi)規定(ding),當(dang)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)穿過需(xu)要封閉的(de)(de)(de)(de)防火、防爆(bao)墻(qiang)體或(huo)(huo)樓(lou)板(ban)時(shi),應設預埋管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)或(huo)(huo)防護(hu)(hu)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)。套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)鋼(gang)板(ban)厚度不應小于1.6mm,風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)與防護(hu)(hu)套(tao)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)之間應用(yong)不燃且對人體無害的(de)(de)(de)(de)柔(rou)性材料封堵,風(feng)道應安(an)(an)裝(zhuang)(zhuang)設防火閥。風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)內嚴(yan)禁各種管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)道、電(dian)線(xian)敷設及穿越(yue);輸(shu)送含有(you)易(yi)(yi)燃易(yi)(yi)爆(bao)氣體或(huo)(huo)安(an)(an)裝(zhuang)(zhuang)在易(yi)(yi)燃易(yi)(yi)爆(bao)環境(jing)的(de)(de)(de)(de)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)系統,應有(you)良好(hao)的(de)(de)(de)(de)接(jie)地,通過生活區、生產(chan)房(fang)間時(shi)必須嚴(yan)密,不得設接(jie)口;室(shi)外主管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)固定(ding)拉索嚴(yan)禁拉在避(bi)雷(lei)針或(huo)(huo)避(bi)雷(lei)網上。輸(shu)送溫度高(gao)于80℃的(de)(de)(de)(de)空氣的(de)(de)(de)(de)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),應按(an)設計要求采取防護(hu)(hu)措(cuo)施。2.風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)安(an)(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)一(yi)般規定(ding)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)安(an)(an)裝(zhuang)(zhuang)宜(yi)在建筑圍護(hu)(hu)結構施工(gong)完畢、場所清理后(hou)進(jin)行。凈化空調風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)應在安(an)(an)裝(zhuang)(zhuang)部位(wei)地面做好(hao),墻(qiang)面抹灰工(gong)序完畢,室(shi)內無飛塵(chen)或(huo)(huo)有(you)防塵(chen)措(cuo)施后(hou)進(jin)行。安(an)(an)裝(zhuang)(zhuang)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)前(qian)應清除管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)內外雜物,并做好(hao)清潔和保護(hu)(hu)工(gong)作,風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)安(an)(an)裝(zhuang)(zhuang)的(de)(de)(de)(de)位(wei)置(zhi)(zhi)、標(biao)高(gao)和走向等(deng)應符合(he)設計要求,現場風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)接(jie)口的(de)(de)(de)(de)配置(zhi)(zhi)不得縮小有(you)效截面。
排煙防(fang)火(huo)閥(fa)在火(huo)災發生時起到重要(yao)的保護作(zuo)用,因此(ci)其(qi)(qi)安(an)全(quan)及(ji)耐高溫性能要(yao)好。那么大家對其(qi)(qi)還(huan)有哪些了(le)(le)解(jie)呢?下面就跟隨(sui)簡要(yao)了(le)(le)解(jie)下其(qi)(qi)主要(yao)功(gong)能及(ji)相(xiang)關優勢吧(ba)。這款排煙防(fang)火(huo)閥(fa)輸入DC24V電(dian)信(xin)號(hao),電(dian)磁(ci)鐵(tie)動(dong)作(zuo)、閥(fa)門(men)敏(min)捷敞(chang)開;手(shou)動(dong)封閉,手(shou)動(dong)復位敞(chang)開;可輸出閥(fa)門(men)開封閉信(xin)號(hao)及(ji)聯鎖操(cao)控(kong)信(xin)號(hao);0°~90°范圍內手(shou)動(dong)調理葉(xie)片敞(chang)開度;(調理型)。其(qi)(qi)主要(yao)優勢有:1.漏風量低、氣密功(gong)能好;2.電(dian)動(dong)敞(chang)開耗費電(dian)流小;3.防(fang)腐功(gong)能強,運用壽命長;4.執行(xing)機構驅動(dong)靈敏(min),反應(ying)、聯鎖信(xin)號(hao)精確。
消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器是利用(yong)聲(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)吸(xi)(xi)(xi)收、反射(she)、干涉等原(yuan)理(li),降低通風與(yu)空(kong)調系統(tong)中(zhong)氣(qi)流噪聲(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)裝置。根據消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)原(yuan)理(li)的(de)(de)不同可以分(fen)為阻(zu)(zu)性(xing)、抗性(xing)、共振(zhen)型(xing)和(he)復合型(xing)等。一(yi)、阻(zu)(zu)性(xing)消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器,阻(zu)(zu)性(xing)消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器利用(yong)吸(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)料的(de)(de)吸(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)作(zuo)用(yong)而消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)。其構造(zao)是把吸(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)料固定在(zai)氣(qi)流流動(dong)的(de)(de)管道內壁(bi),或(huo)按一(yi)定方式排列(lie)在(zai)管道或(huo)殼體內構成阻(zu)(zu)性(xing)消(xiao)(xiao)聲(sheng)(sheng)(sheng)(sheng)(sheng)器,吸(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)料能(neng)夠把入射(she)在(zai)其上(shang)的(de)(de)聲(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)部(bu)分(fen)地吸(xi)(xi)(xi)收掉。聲(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)之(zhi)所以能(neng)被吸(xi)(xi)(xi)收,是由于吸(xi)(xi)(xi)聲(sheng)(sheng)(sheng)(sheng)(sheng)材(cai)料的(de)(de)多孔(kong)性(xing)和(he)松散性(xing)。當聲(sheng)(sheng)(sheng)(sheng)(sheng)波進入孔(kong)隙,引(yin)起(qi)孔(kong)隙中(zhong)的(de)(de)空(kong)氣(qi)和(he)材(cai)料產生微(wei)小的(de)(de)振(zhen)動(dong),由于摩擦和(he)粘滯阻(zu)(zu)力。使相(xiang)當一(yi)部(bu)分(fen)聲(sheng)(sheng)(sheng)(sheng)(sheng)能(neng)化為熱能(neng)而被吸(xi)(xi)(xi)收掉。
一、通風與空調系統的組成與類別(一)通風系統的組成,包括:進氣處理設備,如空氣過濾設備、熱濕處理設備和空氣凈化設備等;送風機或排風機;風道系統,如風管、送風口、排風口、排氣罩等;排氣處理設備,如除塵器、有害氣體凈化設備、風帽等。2.通風系統的類別有:(二)空調系統的組成——空氣處理設備、熱源和冷源、空調風系統、水系統、控制、調節裝置(1)空氣處理設備:空氣加熱或冷卻設備、空氣加濕或去濕設備和空氣凈化設備等;值得信賴的通風管其作用是將送風空氣處理到一定的狀態。(2)熱源和冷源:常用的熱源有提供熱水或蒸汽的鍋爐、電加熱器等。(3)空調風系統:由風機和風管系統組成。(4)水系統:包括將冷凍水(或熱水)從制冷系統(或熱源)輸送到空氣處理設備的水系統和制冷設備的冷卻水系統,由水泵和水管系統組成。(5)控制、調節裝置:通風管裝置的(de)作用是(shi)調(diao)節空(kong)(kong)調(diao)系統的(de)冷量、熱量、風量等,使空(kong)(kong)調(diao)系統的(de)工作適應空(kong)(kong)調(diao)工況(kuang)(kuang)的(de)變化,從而(er)將室內(nei)空(kong)(kong)氣狀況(kuang)(kuang)控制在要求的(de)范圍內(nei)。
1.冷(leng)(熱(re)(re))水(shui)(shui)機(ji)(ji)組(zu)的(de)基(ji)本工作過程是:室(shi)外的(de)制(zhi)冷(leng)機(ji)(ji)組(zu)對冷(leng)(熱(re)(re))媒水(shui)(shui)進行制(zhi)冷(leng)降溫(或(huo)加熱(re)(re)升溫),然后由(you)水(shui)(shui)泵將降溫后的(de)冷(leng)媒(熱(re)(re))水(shui)(shui)輸(shu)送(song)到安(an)裝在室(shi)內(nei)(nei)(nei)(nei)的(de)風(feng)機(ji)(ji)盤管(guan)機(ji)(ji)組(zu)中,由(you)風(feng)機(ji)(ji)盤管(guan)機(ji)(ji)組(zu)采(cai)取就地(di)回(hui)風(feng)的(de)方式與室(shi)內(nei)(nei)(nei)(nei)空(kong)氣進行熱(re)(re)交換實現對室(shi)內(nei)(nei)(nei)(nei)空(kong)氣處理的(de)目的(de)。2.風(feng)管(guan)(道(dao))式機(ji)(ji)組(zu)的(de)基(ji)本工作過程是:供冷(leng)時,室(shi)外的(de)制(zhi)冷(leng)機(ji)(ji)組(zu)吸收來(lai)自室(shi)內(nei)(nei)(nei)(nei)機(ji)(ji)組(zu)的(de)制(zhi)冷(leng)劑(ji)(ji)蒸氣經壓(ya)(ya)縮、冷(leng)凝后向(xiang)各(ge)(ge)室(shi)內(nei)(nei)(nei)(nei)機(ji)(ji)組(zu)輸(shu)送(song)液(ye)體制(zhi)冷(leng)劑(ji)(ji)。供熱(re)(re)時,室(shi)外的(de)制(zhi)冷(leng)機(ji)(ji)組(zu)吸收來(lai)自冷(leng)凝器(qi)(qi)的(de)制(zhi)冷(leng)劑(ji)(ji)蒸氣經壓(ya)(ya)縮后向(xiang)各(ge)(ge)室(shi)內(nei)(nei)(nei)(nei)機(ji)(ji)組(zu)輸(shu)送(song)汽體制(zhi)冷(leng)劑(ji)(ji),室(shi)內(nei)(nei)(nei)(nei)機(ji)(ji)組(zu)通過布置在天花板上(shang)(shang)的(de)回(hui)風(feng)口(kou)將空(kong)氣吸入,進行熱(re)(re)交換后送(song)入安(an)裝在室(shi)內(nei)(nei)(nei)(nei)各(ge)(ge)房間天花板中的(de)風(feng)管(guan)(道(dao))內(nei)(nei)(nei)(nei),并通過出風(feng)口(kou)上(shang)(shang)的(de)散(san)流器(qi)(qi)向(xiang)室(shi)內(nei)(nei)(nei)(nei)各(ge)(ge)房間輸(shu)送(song)空(kong)氣。在風(feng)管(guan)(道(dao))上(shang)(shang)設計有新(xin)風(feng)門和排風(feng)門,可(ke)以(yi)按一(yi)定比(bi)例置換空(kong)氣,以(yi)保證室(shi)內(nei)(nei)(nei)(nei)空(kong)氣的(de)質量。