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一、通風(feng)(feng)(feng)(feng)與空(kong)(kong)(kong)調(diao)(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)組(zu)成與類別(一)通風(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)組(zu)成,包(bao)(bao)括:進(jin)氣(qi)(qi)(qi)處(chu)理(li)(li)設(she)備(bei)(bei),如(ru)空(kong)(kong)(kong)氣(qi)(qi)(qi)過濾設(she)備(bei)(bei)、熱(re)(re)(re)(re)濕(shi)處(chu)理(li)(li)設(she)備(bei)(bei)和(he)(he)(he)空(kong)(kong)(kong)氣(qi)(qi)(qi)凈化(hua)設(she)備(bei)(bei)等(deng)(deng);送(song)風(feng)(feng)(feng)(feng)機或(huo)排(pai)風(feng)(feng)(feng)(feng)機;風(feng)(feng)(feng)(feng)道系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong),如(ru)風(feng)(feng)(feng)(feng)管(guan)、送(song)風(feng)(feng)(feng)(feng)口、排(pai)風(feng)(feng)(feng)(feng)口、排(pai)氣(qi)(qi)(qi)罩等(deng)(deng);排(pai)氣(qi)(qi)(qi)處(chu)理(li)(li)設(she)備(bei)(bei),如(ru)除塵(chen)器、有(you)害氣(qi)(qi)(qi)體凈化(hua)設(she)備(bei)(bei)、風(feng)(feng)(feng)(feng)帽等(deng)(deng)。2.通風(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)類別有(you):(二)空(kong)(kong)(kong)調(diao)(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)組(zu)成——空(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)理(li)(li)設(she)備(bei)(bei)、熱(re)(re)(re)(re)源(yuan)(yuan)和(he)(he)(he)冷(leng)源(yuan)(yuan)、空(kong)(kong)(kong)調(diao)(diao)風(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)、水(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)、控制(zhi)、調(diao)(diao)節裝置(1)空(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)理(li)(li)設(she)備(bei)(bei):空(kong)(kong)(kong)氣(qi)(qi)(qi)加(jia)(jia)熱(re)(re)(re)(re)或(huo)冷(leng)卻設(she)備(bei)(bei)、空(kong)(kong)(kong)氣(qi)(qi)(qi)加(jia)(jia)濕(shi)或(huo)去濕(shi)設(she)備(bei)(bei)和(he)(he)(he)空(kong)(kong)(kong)氣(qi)(qi)(qi)凈化(hua)設(she)備(bei)(bei)等(deng)(deng);其(qi)作用(yong)是將(jiang)送(song)風(feng)(feng)(feng)(feng)空(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)理(li)(li)到一定的(de)(de)(de)狀(zhuang)態。(2)熱(re)(re)(re)(re)源(yuan)(yuan)和(he)(he)(he)冷(leng)源(yuan)(yuan):常用(yong)的(de)(de)(de)熱(re)(re)(re)(re)源(yuan)(yuan)有(you)提供熱(re)(re)(re)(re)水(shui)(shui)(shui)或(huo)蒸汽的(de)(de)(de)鍋爐、電加(jia)(jia)熱(re)(re)(re)(re)器等(deng)(deng)。(3)空(kong)(kong)(kong)調(diao)(diao)風(feng)(feng)(feng)(feng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong):由風(feng)(feng)(feng)(feng)機和(he)(he)(he)風(feng)(feng)(feng)(feng)管(guan)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)組(zu)成。(4)水(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong):包(bao)(bao)括將(jiang)冷(leng)凍水(shui)(shui)(shui)(或(huo)熱(re)(re)(re)(re)水(shui)(shui)(shui))從制(zhi)冷(leng)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)(或(huo)熱(re)(re)(re)(re)源(yuan)(yuan))輸送(song)到空(kong)(kong)(kong)氣(qi)(qi)(qi)處(chu)理(li)(li)設(she)備(bei)(bei)的(de)(de)(de)水(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)和(he)(he)(he)制(zhi)冷(leng)設(she)備(bei)(bei)的(de)(de)(de)冷(leng)卻水(shui)(shui)(shui)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong),由水(shui)(shui)(shui)泵和(he)(he)(he)水(shui)(shui)(shui)管(guan)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)組(zu)成。(5)控制(zhi)、調(diao)(diao)節裝置:裝置的(de)(de)(de)作用(yong)是調(diao)(diao)節空(kong)(kong)(kong)調(diao)(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)冷(leng)量(liang)、熱(re)(re)(re)(re)量(liang)、風(feng)(feng)(feng)(feng)量(liang)等(deng)(deng),使空(kong)(kong)(kong)調(diao)(diao)系(xi)(xi)(xi)(xi)統(tong)(tong)(tong)(tong)的(de)(de)(de)工作適應空(kong)(kong)(kong)調(diao)(diao)工況(kuang)的(de)(de)(de)變化(hua),從而(er)將(jiang)室內空(kong)(kong)(kong)氣(qi)(qi)(qi)狀(zhuang)況(kuang)控制(zhi)在要(yao)求的(de)(de)(de)范圍(wei)內。
1、70℃防(fang)(fang)火(huo)(huo)(huo)閥(fa)用在(zai)空(kong)調(diao)送風(feng)、通(tong)風(feng)系(xi)統管(guan)道(dao)上;平時(shi)(shi)(shi)常開,發生(sheng)火(huo)(huo)(huo)災時(shi)(shi)(shi)關閉(bi)(bi)(bi),聯(lian)(lian)鎖風(feng)機(ji)(ji),使風(feng)機(ji)(ji)關閉(bi)(bi)(bi);2、280℃防(fang)(fang)火(huo)(huo)(huo)閥(fa)用在(zai)排(pai)煙(yan)(yan)(yan)系(xi)統管(guan)道(dao)上,平時(shi)(shi)(shi)常開,發生(sheng)火(huo)(huo)(huo)災時(shi)(shi)(shi)排(pai)煙(yan)(yan)(yan),當(dang)(dang)煙(yan)(yan)(yan)氣溫(wen)度(du)達(da)到(dao)280度(du)時(shi)(shi)(shi),防(fang)(fang)火(huo)(huo)(huo)閥(fa)關閉(bi)(bi)(bi),聯(lian)(lian)鎖風(feng)機(ji)(ji)關閉(bi)(bi)(bi);3、280℃防(fang)(fang)火(huo)(huo)(huo)閥(fa)應為(wei)常開,又叫(jiao)高(gao)溫(wen)防(fang)(fang)火(huo)(huo)(huo)閥(fa),一般安裝(zhuang)在(zai)有高(gao)溫(wen)環境(jing)的(de)通(tong)風(feng)管(guan)道(dao)中,當(dang)(dang)溫(wen)度(du)到(dao)達(da)280℃后(hou)易熔合金熔化,閥(fa)門關閉(bi)(bi)(bi),同時(shi)(shi)(shi)可(ke)以用24V電(dian)(dian)信(xin)號(hao)控制。如果說是(shi)280排(pai)煙(yan)(yan)(yan)防(fang)(fang)火(huo)(huo)(huo)閥(fa)應為(wei)常閉(bi)(bi)(bi),安裝(zhuang)在(zai)排(pai)煙(yan)(yan)(yan)管(guan)道(dao)中發生(sheng)火(huo)(huo)(huo)災時(shi)(shi)(shi)控制中心給出電(dian)(dian)信(xin)號(hao)使其打(da)開排(pai)煙(yan)(yan)(yan),當(dang)(dang)溫(wen)度(du)到(dao)達(da)280時(shi)(shi)(shi)易熔合金熔化閥(fa)門關閉(bi)(bi)(bi),是(shi)一種二(er)次動作的(de)閥(fa)門。
常用的(de)(de)消防(fang)排(pai)煙(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)結(jie)構型(xing)(xing)(xing)(xing)式有(you)內(nei)冷(leng)(leng)(leng)卻(que)(que)電(dian)(dian)(dian)風(feng)(feng)葉(xie)(xie)(xie)輪的(de)(de)型(xing)(xing)(xing)(xing)式、吸(xi)入冷(leng)(leng)(leng)卻(que)(que)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)氣(qi)(qi)流(liu)的(de)(de)型(xing)(xing)(xing)(xing)式、前(qian)(qian)導加動葉(xie)(xie)(xie)型(xing)(xing)(xing)(xing)式的(de)(de)低速吸(xi)入冷(leng)(leng)(leng)卻(que)(que)風(feng)(feng)的(de)(de)消防(fang)排(pai)煙(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)等,它們的(de)(de)特點和(he)(he)效(xiao)果有(you)所不同。 3.1內(nei)冷(leng)(leng)(leng)卻(que)(que)電(dian)(dian)(dian)風(feng)(feng)葉(xie)(xie)(xie)輪的(de)(de)型(xing)(xing)(xing)(xing)式,這(zhe)種排(pai)煙(yan)(yan)(yan)風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)主流(liu)道(dao)的(de)(de)煙(yan)(yan)(yan)氣(qi)(qi)溫(wen)(wen)度高可(ke)達到(dao)280℃,煙(yan)(yan)(yan)氣(qi)(qi)裝在(zai)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)上(shang)的(de)(de)葉(xie)(xie)(xie)輪輸送,再電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)原來(lai)裝設(she)冷(leng)(leng)(leng)卻(que)(que)葉(xie)(xie)(xie)輪的(de)(de)地方,重新(xin)設(she)計了用于冷(leng)(leng)(leng)卻(que)(que)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)風(feng)(feng)扇,與機(ji)(ji)(ji)(ji)(ji)(ji)(ji)匣上(shang)開的(de)(de)進風(feng)(feng)口(kou)和(he)(he)出風(feng)(feng)口(kou)相(xiang)連(lian),并通(tong)過電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)與風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)輪組成的(de)(de)簡通(tong)道(dao)冷(leng)(leng)(leng)卻(que)(que)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)。此型(xing)(xing)(xing)(xing)式的(de)(de)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)冷(leng)(leng)(leng)卻(que)(que)通(tong)道(dao)可(ke)以保證(zheng)在(zai)主流(liu)通(tong)道(dao)的(de)(de)溫(wen)(wen)度達到(dao)300℃時,機(ji)(ji)(ji)(ji)(ji)(ji)(ji)殼的(de)(de)溫(wen)(wen)度可(ke)以保持在(zai)130℃左右,在(zai)此環境溫(wen)(wen)度下(xia),采(cai)用一(yi)般(ban)的(de)(de)絕緣等級的(de)(de)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)就可(ke)以達到(dao)效(xiao)果,沒有(you)必(bi)要采(cai)用高溫(wen)(wen)的(de)(de)絕緣電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji),從而(er)可(ke)以大大的(de)(de)降低風(feng)(feng)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)制作(zuo)成本。這(zhe)種型(xing)(xing)(xing)(xing)式的(de)(de)軸流(liu)消防(fang)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)設(she)計,國家鑒定已經下(xia)批(pi),已經投(tou)入到(dao)生產(chan)當中,并且獲得了良好的(de)(de)經濟收(shou)益,目(mu)前(qian)(qian)是在(zai)進一(yi)步(bu)的(de)(de)研發(fa)和(he)(he)改造當中,從而(er)能更好的(de)(de)提高工作(zuo)效(xiao)率(lv),降低制造成本。
1) 送(song)(song)風(feng),包括通氣(qi)(qi)(qi),如(ru)送(song)(song)鮮風(feng)和排氣(qi)(qi)(qi),這個范圍很廣,如(ru)工(gong)廠車間,生(sheng)產(chan)(chan)場(chang)地空氣(qi)(qi)(qi),由于有(you)害(hai)氣(qi)(qi)(qi)體產(chan)(chan)生(sheng)需要(yao)排出室(shi)外,又需要(yao)把(ba)室(shi)外空氣(qi)(qi)(qi)輸(shu)送(song)(song)至(zhi)室(shi)內(nei)。這時就要(yao)使(shi)(shi)用(yong)流量大而(er)壓力小的(de)(de)(de)空氣(qi)(qi)(qi)輸(shu)送(song)(song)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao),螺(luo)旋風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)就適(shi)用(yong),一般情況(kuang)下使(shi)(shi)用(yong)鍍(du)鋅鐵(tie)管(guan)(guan)(guan)(guan)(guan)(guan),有(you)腐蝕(shi)性及特別潮濕場(chang)所使(shi)(shi)用(yong)不銹鋼管(guan)(guan)(guan)(guan)(guan)(guan)。2) 送(song)(song)冷風(feng)。常見的(de)(de)(de)是(shi)中(zhong)(zhong)央(yang)空調的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao),這種管(guan)(guan)(guan)(guan)(guan)(guan)道(dao)需要(yao)加保溫(wen)材(cai)料(liao)。螺(luo)旋風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)可內(nei)貼保溫(wen)材(cai)料(liao),外表看來美觀。3) 排油煙(yan)。飯(fan)店(dian)、酒樓、賓館的(de)(de)(de)廚(chu)房均(jun)有(you)大量油煙(yan)產(chan)(chan)生(sheng),需要(yao)排出,使(shi)(shi)用(yong)圓形的(de)(de)(de)風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)就是(shi)油煙(yan)囪。在這里,螺(luo)旋風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)該叫(jiao)做油煙(yan)管(guan)(guan)(guan)(guan)(guan)(guan)。4) 除塵(chen)。有(you)些工(gong)廠生(sheng)產(chan)(chan)車間很多塵(chen)埃,需要(yao)專門的(de)(de)(de)除塵(chen)裝置(zhi),其中(zhong)(zhong)量較大的(de)(de)(de)管(guan)(guan)(guan)(guan)(guan)(guan)道(dao),可使(shi)(shi)用(yong)螺(luo)旋風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)。5) 散(san)裝物料(liao)輸(shu)送(song)(song)。有(you)些工(gong)廠的(de)(de)(de)生(sheng)產(chan)(chan)過程中(zhong)(zhong),需要(yao)輸(shu)送(song)(song)松(song)散(san)的(de)(de)(de)顆粒,特別是(shi)比重(zhong)不大的(de)(de)(de)如(ru)發泡(pao)塑料(liao)粒之(zhi)類的(de)(de)(de)使(shi)(shi)用(yong)螺(luo)旋風(feng)管(guan)(guan)(guan)(guan)(guan)(guan)造(zao)價低、效果好。
1,通風風管安裝在支架上,應設托座。2,通風風管如有穿出屋面外部分,應設置防雨罩。3,通風風管采用無法蘭連時,接口處應嚴密牢固。通風風管連接兩平面應平直,不得錯位及扭曲。4,輸送易產生冷凝水的通風風管,安裝應設計坡度。通風風管底部不能有縱向的接縫, 如通風管必須有接縫,則應采用密封方式。通風管道安裝完畢后,應進行嚴密性試驗,如通風管廠家發現異常情況,通風管道的(de)制作、安裝(zhuang)、檢(jian)驗和試驗,是一個連貫(guan)的(de)工程(cheng)(cheng),做到(dao)安全適用,經濟合理,方便施工,確(que)保通風管道的(de)工程(cheng)(cheng)質量。