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一、火(huo)災自(zi)動(dong)報(bao)警(jing)(jing)系統:對(dui)消防火(huo)災報(bao)警(jing)(jing)控(kong)制器進(jin)(jin)(jin)(jin)行(xing)自(zi)檢(jian)(jian)(jian)(jian)功能檢(jian)(jian)(jian)(jian)查(cha):對(dui)可測量相關參數進(jin)(jin)(jin)(jin)行(xing)查(cha)看和記錄,如回路電(dian)(dian)(dian)(dian)流等(deng);公(gong)共場(chang)所(suo)煙感(gan)器、溫感(gan)器安(an)裝(zhuang)(zhuang)(zhuang)檢(jian)(jian)(jian)(jian)查(cha),與底座接觸是(shi)(shi)否(fou)(fou)良好,外觀(guan)是(shi)(shi)否(fou)(fou)潔凈完好;每次(ci)(ci)隨(sui)機抽取不低于5%的(de)煙感(gan)或溫感(gan),噴煙或加熱后查(cha)視報(bao)警(jing)(jing)是(shi)(shi)否(fou)(fou)正確;手動(dong)報(bao)警(jing)(jing)按鈕(niu)(niu)(niu),檢(jian)(jian)(jian)(jian)查(cha)安(an)裝(zhuang)(zhuang)(zhuang)是(shi)(shi)否(fou)(fou)牢固(gu),有無破(po)損及丟(diu)失;每次(ci)(ci)隨(sui)機抽取不低于5%的(de)手動(dong)報(bao)警(jing)(jing)按鈕(niu)(niu)(niu),進(jin)(jin)(jin)(jin)行(xing)模擬報(bao)警(jing)(jing),測試報(bao)警(jing)(jing)功能是(shi)(shi)否(fou)(fou)正常;對(dui)樓層內各模塊箱進(jin)(jin)(jin)(jin)行(xing)外觀(guan)檢(jian)(jian)(jian)(jian)查(cha),外接線是(shi)(shi)否(fou)(fou)固(gu)定良好;對(dui)聯動(dong)控(kong)制柜(ju)上的(de)按鈕(niu)(niu)(niu)每次(ci)(ci)按10%的(de)比例(li)進(jin)(jin)(jin)(jin)行(xing)功能試驗,控(kong)制功能正常。對(dui)火(huo)災報(bao)警(jing)(jing)控(kong)制柜(ju)、聯動(dong)控(kong)制柜(ju)等(deng)進(jin)(jin)(jin)(jin)行(xing)清掃除(chu)塵。線路松動(dong),應進(jin)(jin)(jin)(jin)行(xing)緊(jin)固(gu)。對(dui)自(zi)檢(jian)(jian)(jian)(jian)、消音(yin)、復(fu)位(wei)功能檢(jian)(jian)(jian)(jian)查(cha),主電(dian)(dian)(dian)(dian)源與備用電(dian)(dian)(dian)(dian)源切換、報(bao)警(jing)(jing)檢(jian)(jian)(jian)(jian)查(cha)。二(er)、應急(ji)照明及疏散(san)指(zhi)示(shi)(shi)燈每3個(ge)月進(jin)(jin)(jin)(jin)行(xing)一次(ci)(ci)備用電(dian)(dian)(dian)(dian)池亮燈(半個(ge)小時),使電(dian)(dian)(dian)(dian)池放電(dian)(dian)(dian)(dian)后再充電(dian)(dian)(dian)(dian),延長電(dian)(dian)(dian)(dian)池壽命;檢(jian)(jian)(jian)(jian)查(cha)出口(kou)(kou)指(zhi)示(shi)(shi)燈玻璃面(mian)板有無劃傷或破(po)裂(lie)現象;出口(kou)(kou)指(zhi)示(shi)(shi)燈電(dian)(dian)(dian)(dian)源指(zhi)示(shi)(shi)燈是(shi)(shi)否(fou)(fou)亮,如不亮,應立(li)即修(xiu)理;檢(jian)(jian)(jian)(jian)查(cha)出口(kou)(kou)指(zhi)示(shi)(shi)燈安(an)裝(zhuang)(zhuang)(zhuang)是(shi)(shi)否(fou)(fou)牢固(gu);針對(dui)檢(jian)(jian)(jian)(jian)查(cha)中發現的(de)缺陷取下來進(jin)(jin)(jin)(jin)行(xing)修(xiu)復(fu),再裝(zhuang)(zhuang)(zhuang)回原位(wei);燈箱外殼及面(mian)板擦抹干凈。
消(xiao)防(fang)排(pai)(pai)(pai)煙(yan)風機(ji)首先應該(gai)滿足溫度(du)和時(shi)間(jian)的(de)特性(xing),即國家規定280℃/0.5h;其(qi)次,在一般環(huan)境溫度(du)下,可(ke)以(yi)(yi)(yi)保證(zheng)有(you)效的(de)排(pai)(pai)(pai)煙(yan)控(kong)制量。此外還要求消(xiao)防(fang)排(pai)(pai)(pai)煙(yan)風機(ji)能夠進行周期(qi)性(xing)的(de)實驗,能夠發現其(qi)中(zhong)的(de)不(bu)足,并加以(yi)(yi)(yi)改進;可(ke)以(yi)(yi)(yi)適(shi)用(yong)(yong)(yong)(yong)各種通風要求的(de)管道,便于安(an)裝與使用(yong)(yong)(yong)(yong)。消(xiao)防(fang)排(pai)(pai)(pai)煙(yan)風機(ji)的(de)性(xing)能優良、耐高溫性(xing)能良好、效率(lv)高、占(zhan)地比離(li)心風機(ji)少、高溫性(xing)能優良。消(xiao)防(fang)排(pai)(pai)(pai)煙(yan)風機(ji)能在300℃高溫條件(jian)下連續(xu)運行60分鐘以(yi)(yi)(yi)上,100℃溫度(du)條件(jian)下連續(xu)20小時(shi)不(bu)損(sun)壞(huai),應用(yong)(yong)(yong)(yong)范圍廣,可(ke)根據高級民用(yong)(yong)(yong)(yong)建筑的(de)不(bu)同要求,采用(yong)(yong)(yong)(yong)變速(su)或多速(su)的(de)驅動(dong)型式(shi),消(xiao)防(fang)排(pai)(pai)(pai)煙(yan)風機(ji)廣泛應用(yong)(yong)(yong)(yong)于高級民用(yong)(yong)(yong)(yong)建筑、烤箱、地下車庫、隧道等場合(he)。安(an)裝方便,可(ke)直接和墻壁安(an)裝,安(an)裝可(ke)采用(yong)(yong)(yong)(yong)垂直式(shi)、水平式(shi)或吊裝式(shi),很(hen)大(da)程度(du)上節省了占(zhan)地面積。
1.冷(leng)(leng)(熱(re))水(shui)機(ji)組(zu)(zu)的(de)(de)基(ji)本工(gong)作過(guo)(guo)程是:室(shi)(shi)(shi)外(wai)的(de)(de)制(zhi)冷(leng)(leng)機(ji)組(zu)(zu)對冷(leng)(leng)(熱(re))媒水(shui)進(jin)行制(zhi)冷(leng)(leng)降溫(或(huo)加熱(re)升溫),然后(hou)由水(shui)泵將降溫后(hou)的(de)(de)冷(leng)(leng)媒(熱(re))水(shui)輸送到安裝在室(shi)(shi)(shi)內(nei)(nei)(nei)(nei)(nei)的(de)(de)風(feng)(feng)(feng)機(ji)盤管(guan)(guan)機(ji)組(zu)(zu)中(zhong),由風(feng)(feng)(feng)機(ji)盤管(guan)(guan)機(ji)組(zu)(zu)采取就(jiu)地回風(feng)(feng)(feng)的(de)(de)方式與室(shi)(shi)(shi)內(nei)(nei)(nei)(nei)(nei)空(kong)氣(qi)進(jin)行熱(re)交換實現(xian)對室(shi)(shi)(shi)內(nei)(nei)(nei)(nei)(nei)空(kong)氣(qi)處理(li)的(de)(de)目的(de)(de)。2.風(feng)(feng)(feng)管(guan)(guan)(道)式機(ji)組(zu)(zu)的(de)(de)基(ji)本工(gong)作過(guo)(guo)程是:供冷(leng)(leng)時(shi),室(shi)(shi)(shi)外(wai)的(de)(de)制(zhi)冷(leng)(leng)機(ji)組(zu)(zu)吸(xi)收(shou)來自室(shi)(shi)(shi)內(nei)(nei)(nei)(nei)(nei)機(ji)組(zu)(zu)的(de)(de)制(zhi)冷(leng)(leng)劑(ji)(ji)蒸氣(qi)經(jing)壓(ya)縮、冷(leng)(leng)凝后(hou)向(xiang)(xiang)各室(shi)(shi)(shi)內(nei)(nei)(nei)(nei)(nei)機(ji)組(zu)(zu)輸送液體(ti)制(zhi)冷(leng)(leng)劑(ji)(ji)。供熱(re)時(shi),室(shi)(shi)(shi)外(wai)的(de)(de)制(zhi)冷(leng)(leng)機(ji)組(zu)(zu)吸(xi)收(shou)來自冷(leng)(leng)凝器的(de)(de)制(zhi)冷(leng)(leng)劑(ji)(ji)蒸氣(qi)經(jing)壓(ya)縮后(hou)向(xiang)(xiang)各室(shi)(shi)(shi)內(nei)(nei)(nei)(nei)(nei)機(ji)組(zu)(zu)輸送汽體(ti)制(zhi)冷(leng)(leng)劑(ji)(ji),室(shi)(shi)(shi)內(nei)(nei)(nei)(nei)(nei)機(ji)組(zu)(zu)通過(guo)(guo)布置在天(tian)花板上的(de)(de)回風(feng)(feng)(feng)口將空(kong)氣(qi)吸(xi)入,進(jin)行熱(re)交換后(hou)送入安裝在室(shi)(shi)(shi)內(nei)(nei)(nei)(nei)(nei)各房(fang)間(jian)天(tian)花板中(zhong)的(de)(de)風(feng)(feng)(feng)管(guan)(guan)(道)內(nei)(nei)(nei)(nei)(nei),并通過(guo)(guo)出(chu)風(feng)(feng)(feng)口上的(de)(de)散流器向(xiang)(xiang)室(shi)(shi)(shi)內(nei)(nei)(nei)(nei)(nei)各房(fang)間(jian)輸送空(kong)氣(qi)。在風(feng)(feng)(feng)管(guan)(guan)(道)上設計有新風(feng)(feng)(feng)門和排風(feng)(feng)(feng)門,可(ke)以(yi)按(an)一定比(bi)例置換空(kong)氣(qi),以(yi)保證室(shi)(shi)(shi)內(nei)(nei)(nei)(nei)(nei)空(kong)氣(qi)的(de)(de)質量。
消防排煙風機風量與送風機風量計算方法是根據建筑面積來確定的,每個防煙分區都需要獨立計算其排煙量,當排煙風機擔負一個防煙分區的時候可按平方米面積不小于60m3/h計算,擔負多個防煙分區則按平方米面積不小于120m3/h計算。送風量按排煙量的50%計算。每個防煙分區不應大于500平方。常見的消防防排煙系統中,排煙量一般根據大防煙分區面積500*120等于60000立方每小時計算,在消防通風設備設計排煙量的時候要注意漏風量,一般可按小漏風量10%計算。例如:當建筑面積為1000平方時,消防通風設備廠家需要設置兩個(ge)防煙分區,每(mei)個(ge)防煙分區的大(da)面積為(wei)500平方,排煙量是500*1203/h=600003/h,再加上小漏風(feng)量10%為(wei)60003/h,總排煙量應為(wei)660003/h,其中(zhong)送風(feng)量為(wei)排煙量的50%應為(wei)330003/h。
1、 薄鋼板(ban)矩(ju)形(xing)(xing)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)的(de)(de)剛度(du)不夠,表現形(xing)(xing)式:風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)的(de)(de)大邊上(shang)下有不同程度(du)的(de)(de)下沉,兩(liang)側面小邊稍向(xiang)外凸出,有明顯的(de)(de)變形(xing)(xing)。對(dui)產生(sheng)(sheng)的(de)(de)原因(yin)分析:① 制作風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)的(de)(de)鋼板(ban)厚(hou)度(du)不符(fu)合施工及驗收(shou)規范的(de)(de)要求;② 咬口的(de)(de)形(xing)(xing)式選擇不當;③ 沒有按(an)照《施工及驗收(shou)規范》要求,對(dui)于邊長≥630 mm或保(bao)溫風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)≥800 mm,其(qi)管(guan)(guan)(guan)(guan)長在1 200mm以上(shang),均應采取加固措施。2 、薄鋼板(ban)矩(ju)形(xing)(xing)風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)扭曲、翹角(jiao),表現形(xing)(xing)式:風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)表面不平;對(dui)角(jiao)線不相(xiang)(xiang)等(deng);相(xiang)(xiang)鄰表面互不垂(chui)直;兩(liang)相(xiang)(xiang)對(dui)表面不平行及兩(liang)管(guan)(guan)(guan)(guan)端平面不平行等(deng)。產生(sheng)(sheng)的(de)(de)原因(yin)分析:① 矩(ju)形(xing)(xing)板(ban)料下料后,未對(dui)四(si)個(ge)(ge)角(jiao)進行嚴格(ge)的(de)(de)角(jiao)方測(ce)量;② 風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)的(de)(de)大邊或小邊的(de)(de)兩(liang)個(ge)(ge)相(xiang)(xiang)對(dui)面的(de)(de)板(ban)料長度(du)和寬度(du)不相(xiang)(xiang)等(deng);③ 風(feng)(feng)(feng)管(guan)(guan)(guan)(guan)的(de)(de)四(si)個(ge)(ge)角(jiao)處(chu)的(de)(de)咬口寬度(du)不相(xiang)(xiang)等(deng);④ 手(shou)工咬口合縫受力不均。
排煙(yan)防火閥(fa)(fa)在火災(zai)發(fa)生(sheng)時起到(dao)重要(yao)的保護作用(yong),因此其(qi)安全及耐高溫性能要(yao)好。那么大家對(dui)其(qi)還有(you)哪些了(le)解呢?下(xia)面就跟(gen)隨簡要(yao)了(le)解下(xia)其(qi)主(zhu)要(yao)功能及相(xiang)關優(you)(you)勢吧。這款排煙(yan)防火閥(fa)(fa)輸入DC24V電(dian)(dian)信(xin)號,電(dian)(dian)磁鐵(tie)動作、閥(fa)(fa)門敏(min)捷敞(chang)開;手(shou)動封(feng)閉(bi),手(shou)動復(fu)位敞(chang)開;可輸出閥(fa)(fa)門開封(feng)閉(bi)信(xin)號及聯(lian)鎖(suo)操控(kong)信(xin)號;0°~90°范圍內(nei)手(shou)動調(diao)理(li)葉片敞(chang)開度;(調(diao)理(li)型(xing))。其(qi)主(zhu)要(yao)優(you)(you)勢有(you):1.漏風量低、氣密功能好;2.電(dian)(dian)動敞(chang)開耗費電(dian)(dian)流小;3.防腐功能強,運(yun)用(yong)壽(shou)命長;4.執(zhi)行機構驅動靈敏(min),反應、聯(lian)鎖(suo)信(xin)號精確。