螺旋风(feng)管安(an)装是(shi)十分重(zhong)要的(de)(de)环(huan)节，通风、空(kong)调工(gong)(gong)(gong)(gong)(gong)(gong)程的(de)(de)主要工(gong)(gong)(gong)(gong)(gong)(gong)作集中在风管的(de)(de)安(an)(an)装(zhuang)上。因(yin)此要做好(hao)掌握多功能(neng)消声管的(de)(de)技术特性，熟悉施(shi)工(gong)(gong)(gong)(gong)(gong)(gong)图，了(le)解土建和其它(ta)专(zhuan)业(ye)工(gong)(gong)(gong)(gong)(gong)(gong)种(zhong)同本工(gong)(gong)(gong)(gong)(gong)(gong)种(zhong)的(de)(de)相关(guan)情况(kuang)，核(he)实风管系统(tong)的(de)(de)标(biao) 高，轴线、预留(liu)孔洞，预埋件(jian)等是(shi)否(fou)符合安(an)(an)装(zhuang)条件(jian)。备足(zu)安(an)(an)装(zhuang)用的(de)(de)各(ge)类辅助材料，准备好(hao)吊装(zhuang)机具(ju)和安(an)(an)装(zhuang)用的(de)(de)其它(ta)工(gong)(gong)(gong)(gong)(gong)(gong)具(ju)，对风管系统(tong)划线定位(wei)等工(gong)(gong)(gong)(gong)(gong)(gong)作。

风管的组对：将成品或预制好的风管运至安(an)装地点(dian)，结合实际情况进(jin)行检查(cha)、复(fu)核，再按编(bian)号进(jin)行排列，风(feng)管(guan)系统的各(ge)部分(fen)尺寸和角(jiao)度(du)确认(ren)准确无误(wu)后(hou)，即开始(shi)风(feng)管(guan)组(zu)对(dui)工作。风(feng)管(guan)各(ge)管(guan)段之间(jian)的连接采用(yong)法兰(lan)连接，接口处(chu)要求(qiu)严密不漏(lou)风(feng)。

一(yi)(yi)次吊(diao)(diao)(diao)(diao)(diao)装(zhuang)(zhuang)(zhuang)风(feng)管(guan)(guan)(guan)的(de)(de)(de)长(zhang)度要根据(ju)建筑物的(de)(de)(de)条件，风(feng)管(guan)(guan)(guan)的(de)(de)(de)壁厚，吊(diao)(diao)(diao)(diao)(diao)装(zhuang)(zhuang)(zhuang)方法和吊(diao)(diao)(diao)(diao)(diao)装(zhuang)(zhuang)(zhuang)机(ji)具(ju)配备情况(kuang)确(que)(que)定(ding)(ding)，组对好的(de)(de)(de)风(feng)管(guan)(guan)(guan)可把(ba)两端的(de)(de)(de)法兰(lan)做为(wei)基(ji)准(zhun)点，以中间(jian)法兰(lan)为(wei)测点，拉线测量风(feng)管(guan)(guan)(guan)的(de)(de)(de)连 接是(shi)否平直，偏差大(da)时要进行(xing)调整，吊(diao)(diao)(diao)(diao)(diao)装(zhuang)(zhuang)(zhuang)前(qian)，要对风(feng)管(guan)(guan)(guan)支(zhi)(zhi)、吊(diao)(diao)(diao)(diao)(diao)架，吊(diao)(diao)(diao)(diao)(diao)装(zhuang)(zhuang)(zhuang)机(ji)具(ju)，选用吊(diao)(diao)(diao)(diao)(diao)装(zhuang)(zhuang)(zhuang)机(ji)具(ju)的(de)(de)(de)支(zhi)(zhi)、吊(diao)(diao)(diao)(diao)(diao)点，是(shi)否正(zheng)确(que)(que)、牢固进行(xing)检(jian)查(cha)，起吊(diao)(diao)(diao)(diao)(diao)前(qian)要仔细(xi)检(jian)查(cha)，把(ba)杆、 滑轮、绳索(suo)等(deng)是(shi)否 固定(ding)(ding)，绑扎可靠并(bing)要清除吊(diao)(diao)(diao)(diao)(diao)装(zhuang)(zhuang)(zhuang)范围内的(de)(de)(de)各种不安全因(yin)素。起吊(diao)(diao)(diao)(diao)(diao)时，首先要进行(xing)试吊(diao)(diao)(diao)(diao)(diao)，当(dang)离地200-300毫米时，停止(zhi)起升，再(zai)一(yi)(yi)次对吊(diao)(diao)(diao)(diao)(diao)装(zhuang)(zhuang)(zhuang)机(ji)具(ju)进行(xing)一(yi)(yi)次全面检(jian)查(cha)，确(que)(que)认无误后，继续起升到所需高(gao)度。把(ba)风(feng)管(guan)(guan)(guan)固定(ding)(ding)在支(zhi)(zhi)、吊(diao)(diao)(diao)(diao)(diao)架上之(zhi)后，才能解开绳索(suo)，拆移吊(diao)(diao)(diao)(diao)(diao)装(zhuang)(zhuang)(zhuang) 机(ji)具(ju)。

水(shui)平(ping)(ping)干(gan)管(guan)经找(zhao)(zhao)平(ping)(ping)找(zhao)(zhao)正并固定(ding)在支(zhi)、吊架上后(hou)，就可(ke)(ke)进行支(zhi)管(guan)的安(an)(an)装(zhuang)(zhuang)(zhuang)。立(li)管(guan)可(ke)(ke)在水(shui)平(ping)(ping)干(gan)管(guan)安(an)(an)装(zhuang)(zhuang)(zhuang)前(qian)进行安(an)(an)装(zhuang)(zhuang)(zhuang)，支(zhi)架间距不(bu)(bu)(bu)应(ying)(ying)大(da)(da)于(yu)4米(mi)(mi)，每(mei)根立(li)管(guan)固定(ding)件(jian)不(bu)(bu)(bu)应(ying)(ying)少于(yu)二(er)个(ge)。风(feng)管(guan)水(shui)平(ping)(ping)安(an)(an)装(zhuang)(zhuang)(zhuang)，水(shui)平(ping)(ping)度的允许偏(pian)差每(mei)米(mi)(mi)不(bu)(bu)(bu)应(ying)(ying)大(da)(da)于(yu)3毫(hao)米(mi)(mi)，总偏(pian)差不(bu)(bu)(bu)应(ying)(ying)大(da)(da)于(yu)20毫(hao)米(mi)(mi)，风(feng)管(guan)垂(chui) 直安(an)(an)装(zhuang)(zhuang)(zhuang)，垂(chui)直度的允许偏(pian)差每(mei)米(mi)(mi)不(bu)(bu)(bu)应(ying)(ying)大(da)(da)于(yu)2毫(hao)米(mi)(mi)，总偏(pian)差不(bu)(bu)(bu)应(ying)(ying)大(da)(da)于(yu)20毫(hao)米(mi)(mi)。