船上一(yi)般(ban)是(shi)(shi)组(zu)合式的，即废(fei)气燃油(you)(you)组(zu)合锅炉(lu)。开航时(shi)(shi)(shi)用主(zhu)机废(fei)气加热，停航时(shi)(shi)(shi)用燃油(you)(you)。用途：加热燃油(you)(you)，生(sheng)活用水，做饭等等。2w吨那你(ni)应该看说明(ming)书啊，每条船不同，你(ni)已然在船，那一(yi)定是(shi)(shi)轮机的，三管(guan)轮办(ban)(ban)理(li)锅炉(lu)，主(zhu)要吧(ba)燃烧器办(ban)(ban)理(li)好便(bian)行。附(fu)一(yi)张问题(ti)排除(chu)办(ban)(ban)法吧(ba)：辅锅炉(lu)点(dian)不着火(huo)时(shi)(shi)(shi)，一(yi)般(ban)先查看什么部件(jian)，怎样查看，一(yi)般(ban)先清洁(jie)喷(pen)油(you)(you)嘴、点(dian)火(huo)电(dian)(dian)极(ji)、供油(you)(you)滤(lv)网、火(huo)焰探测器，重新(xin)调整电(dian)(dian)极(ji)的相对位置，再(zai)试点(dian)火(huo)看有否(fou)火(huo)花。进一(yi)步可再(zai)查看布风(feng)(feng)器是(shi)(shi)否(fou)脏堵，风(feng)(feng)油(you)(you)比例是(shi)(shi)否(fou)调整正确，回油(you)(you)电(dian)(dian)磁阀是(shi)(shi)否(fou)动(dong)作(zuo)，燃油(you)(you)循环温(wen)度是(shi)(shi)否(fou)正常(chang)，油(you)(you)压力是(shi)(shi)否(fou)足够。