工(gong)(gong)藝和管道互相融合，在設(she)計時密不可分(fen)。國內外有(you)些(xie)設(she)計單(dan)位工(gong)(gong)藝和管道仍是同(tong)一個(ge)專(zhuan)(zhuan)業，稱作“工(gong)(gong)藝管道”專(zhuan)(zhuan)業，有(you)些(xie)設(she)計單(dan)位分(fen)為工(gong)(gong)藝專(zhuan)(zhuan)業和管道專(zhuan)(zhuan)業。無論如何分(fen)工(gong)(gong)，作為壓力管道專(zhuan)(zhuan)業，應首先理解透徹工(gong)(gong)藝專(zhuan)(zhuan)業圖紙(zhi)文件，明白(bai)工(gong)(gong)藝原理，才能保證壓力管道專(zhuan)(zhuan)業設(she)計質量和工(gong)(gong)作效率。

  石油(you)(you)化工(gong)(gong)(gong)工(gong)(gong)(gong)程建(jian)設(she)(she)項目具有一定的周期性，有些(xie)年份煉油(you)(you)裝(zhuang)(zhuang)置(zhi)建(jian)設(she)(she)工(gong)(gong)(gong)程較(jiao)多(duo)，有些(xie)年份煤(mei)制(zhi)油(you)(you)煤(mei)化工(gong)(gong)(gong)裝(zhuang)(zhuang)置(zhi)建(jian)設(she)(she)工(gong)(gong)(gong)程較(jiao)多(duo)，有些(xie)年份化工(gong)(gong)(gong)裝(zhuang)(zhuang)置(zhi)建(jian)設(she)(she)工(gong)(gong)(gong)程較(jiao)多(duo)，有些(xie)年份電(dian)力(li)輕工(gong)(gong)(gong)等裝(zhuang)(zhuang)置(zhi)建(jian)設(she)(she)工(gong)(gong)(gong)程較(jiao)多(duo)，在這種(zhong)市場經(jing)濟(ji)主導的大(da)環境下，設(she)(she)計單位(wei)能中標的裝(zhuang)(zhuang)置(zhi)類型也(ye)在變化。需要壓(ya)力(li)管道(dao)設(she)(she)計人(ren)員(yuan)熟練設(she)(she)計煉油(you)(you)（常減壓(ya)、催(cui)化重整、加氫等）、化工(gong)(gong)(gong)（乙烯(xi)、化肥、LNG、LPG、PP、苯乙烯(xi)等）、煤(mei)制(zhi)油(you)(you)等各種(zhong)裝(zhuang)(zhuang)置(zhi)。

  實踐證明，無論(lun)是(shi)化工裝(zhuang)(zhuang)置(zhi)(zhi)、煉油裝(zhuang)(zhuang)置(zhi)(zhi)，還是(shi)制藥裝(zhuang)(zhuang)置(zhi)(zhi)的(de)(de)(de)壓(ya)(ya)(ya)(ya)力(li)管(guan)(guan)道(dao)(dao)設(she)(she)計(ji)(ji)，僅是(shi)工藝(yi)專業(ye)設(she)(she)計(ji)(ji)內(nei)容不(bu)同，對于壓(ya)(ya)(ya)(ya)力(li)管(guan)(guan)道(dao)(dao)專業(ye)設(she)(she)計(ji)(ji)人(ren)員(yuan)，設(she)(she)計(ji)(ji)原理和內(nei)容是(shi)相同的(de)(de)(de)，壓(ya)(ya)(ya)(ya)力(li)管(guan)(guan)道(dao)(dao)設(she)(she)計(ji)(ji)人(ren)員(yuan)掌(zhang)握了管(guan)(guan)廊、塔、容器(qi)、反應器(qi)、換熱(re)設(she)(she)備、加(jia)熱(re)爐、泵、壓(ya)(ya)(ya)(ya)縮(suo)機(ji)、罐等設(she)(she)備、設(she)(she)施及(ji)其有關管(guan)(guan)道(dao)(dao)的(de)(de)(de)配(pei)管(guan)(guan)設(she)(she)計(ji)(ji)原理和好的(de)(de)(de)設(she)(she)計(ji)(ji)做法，就可以較好地完成(cheng)這些(xie)不(bu)同類型裝(zhuang)(zhuang)置(zhi)(zhi)的(de)(de)(de)設(she)(she)備設(she)(she)施的(de)(de)(de)壓(ya)(ya)(ya)(ya)力(li)管(guan)(guan)道(dao)(dao)設(she)(she)計(ji)(ji)。本(ben)章節簡要講述一(yi)些(xie)裝(zhuang)(zhuang)置(zhi)(zhi)的(de)(de)(de)工藝(yi)及(ji)布置(zhi)(zhi)。