工(gong)藝和(he)管道(dao)(dao)(dao)互相融(rong)合，在設(she)(she)計時密不可(ke)分(fen)(fen)。國內(nei)外有些設(she)(she)計單位工(gong)藝和(he)管道(dao)(dao)(dao)仍是同(tong)一個專(zhuan)業，稱作(zuo)“工(gong)藝管道(dao)(dao)(dao)”專(zhuan)業，有些設(she)(she)計單位分(fen)(fen)為工(gong)藝專(zhuan)業和(he)管道(dao)(dao)(dao)專(zhuan)業。無論如何(he)分(fen)(fen)工(gong)，作(zuo)為壓力(li)管道(dao)(dao)(dao)專(zhuan)業，應首先(xian)理解透徹工(gong)藝專(zhuan)業圖紙(zhi)文(wen)件，明(ming)白工(gong)藝原(yuan)理，才能(neng)保證(zheng)壓力(li)管道(dao)(dao)(dao)專(zhuan)業設(she)(she)計質量和(he)工(gong)作(zuo)效率(lv)。

  石油(you)化工工程(cheng)(cheng)建(jian)(jian)(jian)(jian)設項目具有(you)(you)(you)一定的周期性，有(you)(you)(you)些(xie)年份(fen)煉油(you)裝(zhuang)置(zhi)建(jian)(jian)(jian)(jian)設工程(cheng)(cheng)較(jiao)(jiao)多(duo)，有(you)(you)(you)些(xie)年份(fen)煤制(zhi)(zhi)油(you)煤化工裝(zhuang)置(zhi)建(jian)(jian)(jian)(jian)設工程(cheng)(cheng)較(jiao)(jiao)多(duo)，有(you)(you)(you)些(xie)年份(fen)化工裝(zhuang)置(zhi)建(jian)(jian)(jian)(jian)設工程(cheng)(cheng)較(jiao)(jiao)多(duo)，有(you)(you)(you)些(xie)年份(fen)電力輕(qing)工等(deng)裝(zhuang)置(zhi)建(jian)(jian)(jian)(jian)設工程(cheng)(cheng)較(jiao)(jiao)多(duo)，在(zai)這(zhe)種市場經濟主導的大環境下，設計(ji)單位能(neng)中標的裝(zhuang)置(zhi)類(lei)型也在(zai)變(bian)化。需要壓(ya)(ya)力管道設計(ji)人員熟練(lian)設計(ji)煉油(you)（常減(jian)壓(ya)(ya)、催化重整、加氫等(deng)）、化工（乙烯、化肥、LNG、LPG、PP、苯乙烯等(deng)）、煤制(zhi)(zhi)油(you)等(deng)各(ge)種裝(zhuang)置(zhi)。

  實踐證明，無論是化(hua)工裝(zhuang)置(zhi)(zhi)(zhi)、煉(lian)油裝(zhuang)置(zhi)(zhi)(zhi)，還是制藥裝(zhuang)置(zhi)(zhi)(zhi)的(de)(de)(de)壓(ya)(ya)力(li)管(guan)(guan)道設(she)(she)計，僅是工藝(yi)專業(ye)設(she)(she)計內容不(bu)同(tong)，對于壓(ya)(ya)力(li)管(guan)(guan)道專業(ye)設(she)(she)計人(ren)員，設(she)(she)計原理和內容是相(xiang)同(tong)的(de)(de)(de)，壓(ya)(ya)力(li)管(guan)(guan)道設(she)(she)計人(ren)員掌(zhang)握了管(guan)(guan)廊、塔、容器、反應器、換熱設(she)(she)備(bei)、加熱爐、泵、壓(ya)(ya)縮(suo)機(ji)、罐(guan)等(deng)設(she)(she)備(bei)、設(she)(she)施(shi)及(ji)其有關管(guan)(guan)道的(de)(de)(de)配管(guan)(guan)設(she)(she)計原理和好(hao)的(de)(de)(de)設(she)(she)計做法，就可(ke)以較好(hao)地(di)完成(cheng)這些不(bu)同(tong)類型裝(zhuang)置(zhi)(zhi)(zhi)的(de)(de)(de)設(she)(she)備(bei)設(she)(she)施(shi)的(de)(de)(de)壓(ya)(ya)力(li)管(guan)(guan)道設(she)(she)計。本(ben)章節簡(jian)要講述一(yi)些裝(zhuang)置(zhi)(zhi)(zhi)的(de)(de)(de)工藝(yi)及(ji)布置(zhi)(zhi)(zhi)。