防(Fang)腐(Fu)蒸(Zheng)汽(Qi)保(Bao)温(Wen)管(Guan) 预(Yu)制(Zhi)直(Zhi)埋(Mai)防(Fang)腐(Fu)保(Bao)温(Wen)钢(Gang)管(Guan)厂(Chang)家(Jia)

保(Bao)温(Wen)钢(Gang)管(Guan)（(?)Heat preservation pipe）(?)是(Shi)经(Jing)过(Guo)保(Bao)温(Wen)工(Gong)艺(Yi)加(Jia)工(Gong)处(Chu)理(Li)后(Hou)，(?)在(Zai)不(Bu)同(Tong)工(Gong)作(Zuo)环(Huan)境(Jing)和(He)外(Wai)介(Jie)质(Zhi)的(De)作(Zuo)用(Yong)下(Xia)保(Bao)证(Zheng)工(Gong)作(Zuo)钢(Gang)管(Guan)内(Nei)温(Wen)度(Du)与(Yu)表(Biao)面(Mian)温(Wen)度(Du)符(Fu)合(He)或(Huo)达(Da)到(Dao)使(Shi)用(Yong)要(Yao)求(Qiu)的(De)钢(Gang)制(Zhi)管(Guan)道(Dao)。(?)

保(Bao)温(Wen)管(Guan)道(Dao)广(Guang)泛(Fan)用(Yong)于(Yu)液(Ye)体(Ti)、(?)气(Qi)体(Ti)的(De)输(Shu)送(Song)管(Guan)网(Wang)，(?) 化(Hua)工(Gong)管(Guan)道(Dao)保(Bao)温(Wen)工(Gong)程(Cheng)石(Shi)油(You)、(?)化(Hua)工(Gong)、(?)集(Ji)中(Zhong)供(Gong)热(Re)热(Re)网(Wang)、(?)中(Zhong)央(Yang)空(Kong)调(Diao)通(Tong)风(Feng)管(Guan)道(Dao)、(?)市(Shi)政(Zheng)工(Gong)程(Cheng)等(Deng)。(?)

保(Bao)温(Wen)钢(Gang)管(Guan)是(Shi)影(Ying)响(Xiang)节(Jie)能(Neng)的(De)重(Zhong)要(Yao)因(Yin)素(Su)，(?)保(Bao)温(Wen)钢(Gang)管(Guan)的(De)研(Yan)制(Zhi)与(Yu)应(Ying)用(Yong)越(Yue)来(Lai)越(Yue)受(Shou)到(Dao)世(Shi)界(Jie)各(Ge)国(Guo)的(De)普(Pu)遍(Bian)重(Zhong)视(Shi)。(?)20世(Shi)纪(Ji)70年(Nian)代(Dai)后(Hou)，(?)国(Guo)外(Wai)普(Pu)遍(Bian)重(Zhong)视(Shi)保(Bao)温(Wen)钢(Gang)管(Guan)的(De)和(He)应(Ying)用(Yong)，(?)力(Li)求(Qiu)大(Da)幅(Fu)度(Du)减(Jian)少(Shao)能(Neng)源(Yuan)的(De)消(Xiao)耗(Hao)量(Liang)，(?)从(Cong)而(?)减(Jian)少(Shao)环(Huan)境(Jing)污(Wu)染(Ran)和(He)温(Wen)室(Shi)效(Xiao)应(Ying)。(?)国(Guo)外(Wai)保(Bao)温(Wen)工(Gong)业(Ye)已(Yi)经(Jing)有(You)很(Hen)长(Chang)的(De)历(Li)史(Shi)，(?)而(?)新(Xin)型(Xing)保(Bao)温(Wen)材(Cai)料(Liao)也(Ye)正(Zheng)在(Zai)不(Bu)断(Duan)地(Di)涌(Yong)现(Xian)。(?) 1980年(Nian)以(Yi)前(Qian)，(?)我(Wo)国(Guo)保(Bao)温(Wen)钢(Gang)管(Guan)的(De)发(Fa)展(Zhan)十(Shi)分(Fen)缓(Huan)慢(Man)，(?)为(Wei)数(Shu)不(Bu)多(Duo)的(De)保(Bao)温(Wen)厂(Chang)只(Zhi)能(Neng)少(Shao)量(Liang)地(Di)下(Xia)直(Zhi)埋(Mai)保(Bao)温(Wen)钢(Gang)管(Guan)，(?)但(Dan)中(Zhong)国(Guo)保(Bao)温(Wen)工(Gong)业(Ye)经(Jing)过(Guo)30多(Duo)年(Nian)的(De)努(Nu)力(Li)，(?)特(Te)别(Bie)是(Shi)经(Jing)过(Guo)近(Jin)10年(Nian)的(De)高(Gao)速(Su)发(Fa)展(Zhan)，(?)不(Bu)少(Shao)产(Chan)品(Pin)从(Cong)无(Wu)到(Dao)有(You)，(?)从(Cong)单(Dan)一(Yi)到(Dao)多(Duo)样(Yang)化(Hua)，(?)质(Zhi)量(Liang)从(Cong)低(Di)到(Dao)高(Gao)，(?)应(Ying)用(Yong)越(Yue)来(Lai)越(Yue)普(Pu)遍(Bian)。(?)聚(Ju)氨(An)酯(Zhi)材(Cai)料(Liao)是(Shi)国(Guo)际(Ji)上(Shang)最(Zui)常(Chang)用(Yong)的(De)保(Bao)温(Wen)材(Cai)料(Liao)。(?)硬(Ying)质(Zhi)聚(Ju)氨(An)酯(Zhi)具(Ju)有(You)很(Hen)多(Duo)优(You)异(Yi)性(Xing)能(Neng)，(?)在(Zai)欧(Ou)美(Mei)广(Guang)泛(Fan)用(Yong)于(Yu)保(Bao)温(Wen)隔(Ge)热(Re)领(Ling)域(Yu)。(?)欧(Ou)美(Mei)等(Deng)发(Fa)达(Da)的(De)保(Bao)温(Wen)材(Cai)料(Liao)中(Zhong)约(Yue)有(You)49%为(Wei)聚(Ju)氨(An)酯(Zhi)材(Cai)料(Liao)，(?)而(?)在(Zai)中(Zhong)国(Guo)这(Zhe)一(Yi)比(Bi)例(Li)尚(Shang)不(Bu)足(Zu)20%。(?)因(Yin)此(Ci)，(?)聚(Ju)氨(An)酯(Zhi)材(Cai)料(Liao)保(Bao)温(Wen)钢(Gang)管(Guan)在(Zai)中(Zhong)国(Guo)还(Huan)有(You)很(Hen)大(Da)的(De)发(Fa)展(Zhan)空(Kong)间(Jian)。(?)