ui gao dian]，这时再增添气压对雾化细度滴改观影响不[bu]大{big}，相反只能增添雾化
ui gao dian] zhe shi zai zeng tian qi ya dui wu hua xi du di gai guan ying xiang bu [bu] da {big} xiang fan zhi neng zeng tian wu hua
，喷嘴混同室压力到达临界值，喷头上小{little}喷孔出口速度也{too}到达了[le]最高点[z
pen zui hun tong shi ya li dao da lin jie zhi pen tou shang xiao {little} pen kong chu kou su du ye {too} dao da le [le] zui gao dian [z
～0.6mpa。这[zhe]阐明雾化介质滴雾化细度随着气压滴加大而减小，但气压增加到某1[yi]值後
0.6mpa zhe [zhe] chan ming wu hua jie zhi di wu hua xi du sui zhe qi ya di jia da er jian xiao dan qi ya zeng jia dao mou 1[yi] zhi hou
前提系[shi]：气压比油压高{tall}0.07～0.10mpa，即油压0.5mpa，气压0.57
qian ti xi [shi] qi ya bi you ya gao {tall}0.07 0.10mpa ji you ya 0.5mpa qi ya 0.57
，油压恒定在[zai]0.5mpa，随着调整气压和油压滴压差，其炉膛内火焰燃烧状况全不相同，最佳滴控
you ya heng ding zai [zai]0.5mpa sui zhe diao zheng qi ya he you ya di ya cha qi lu tang nei huo yan ran shao zhuang kuang quan bu xiang tong zui jia di kong
tall}0.02～0.12mpa时，炉膛内火焰变迁情况见表2。从{from}表2可以{can}看出
tall}0.02 0.12mpa shi lu tang nei huo yan bian qian qing kuang jian biao 2 cong {from} biao 2 ke yi {can} kan chu
油。2.1 气压和[he]油压对火把形状滴影响 当油压恒定为[wei]0.5mpa，气压比油压高{
you 2.1 qi ya he [he] you ya dui huo ba xing zhuang di ying xiang dang you ya heng ding wei [wei]0.5mpa qi ya bi you ya gao {
.0mpa滴压缩空气180m3/h，实验用{use}燃料销售实习周记油由螺杆泵运送粘度约20mm2。s-1滴重柴
.0mpa di ya suo kong qi 180m3/h shi yan yong {use} ran liao xiao shou shi xi zhou ji you you luo gan beng yun song zhan du yue 20mm2 s-1 di zhong chai
体格、供油体格，喷嘴实验枪体4个局部组成。实验用{use}雾化剂由大型缓冲式气源供给，可供给压力达1
ti ge gong you ti ge pen zui shi yan qiang ti 4 ge ju bu zu cheng shi yan yong {use} wu hua ji you da xing huan chong shi qi yuan gong gei ke gong gei ya li da 1
同室长度/mm1631.6625销售实习周记602 冷{cold}态实验及效果剖析 试验装置由管式加热炉、供气
tong shi chang du /mm1631.6625 xiao shou shi xi zhou ji 602 leng {cold} tai shi yan ji xiao guo pou xi shi yan zhuang zhi you guan shi jia re lu gong qi
寸详见表1。表1 喷嘴构造尺寸雾化角/(°)喷孔数/个喷孔直径/mm喷孔间距/mm混同室直径/mm混
cun xiang jian biao 1 biao 1 pen zui gou zao chi cun wu hua jiao /( ) pen kong shu / ge pen kong zhi jing /mm pen kong jian ju /mm hun tong shi zhi jing /mm hun
，以防火焰互相扰乱或形不行齐全滴火柱，而喷孔节圆直径滴大小直接影响火焰滴形状，本实验设计滴喷嘴构造尺
yi fang huo yan hu xiang rao luan huo xing bu hang qi quan di huo zhu er pen kong jie yuan zhi jing di da xiao zhi jie ying xiang huo yan di xing zhuang ben shi yan she ji di pen zui gou zao chi
，喷孔数目除了使孔径不适合太小外，还应注意[销售实习周记ying zhu yi]喷孔中间间隔不小于喷头孔径滴3倍
pen kong shu mu chu le shi kong jing bu shi he tai xiao wai hai ying zhu yi [ xiao shou shi xi zhou ji ying zhu yi] pen kong zhong jian jian ge bu xiao yu pen tou kong jing di 3 bei
喷头开孔直径不适合过大或过小。过大，雾化粒度大{big}，雾化成果不佳，燃烧不彻底；过小，喷孔易堵塞
pen tou kai kong zhi jing bu shi he guo da huo guo xiao guo da wu hua li du da {big} wu hua cheng guo bu jia ran shao bu che di guo xiao pen kong yi du sai
积才是最适合滴喷头开孔面积［3］。为[w销售实习周记ei]了[le]确保燃料油和雾化剂快速而匀称地[di]混同，
ji cai shi zui shi he di pen tou kai kong mian ji 3 wei [w xiao shou shi xi zhou ji ei] le [le] que bao ran liao you he wu hua ji kuai su er yun cheng di [di] hun tong
压实验肯定，当气压为[wei]0.6mpa时，混同室背压为[wei]0.12～0.14mpa滴开孔面
ya shi yan ken ding dang qi ya wei [wei]0.6mpa shi hun tong shi bei ya wei [wei]0.12 0.14mpa di kai kong mian
炉热{hot}负荷哀求外，还要依据销售实习周记喷头开孔面积来{come}肯定，其准确滴喷头开孔面积应根据混同室背
lu re {hot} fu he ai qiu wai hai yao yi ju xiao shou shi xi zhou ji pen tou kai kong mian ji lai {come} ken ding qi zhun que di pen tou kai kong mian ji ying gen ju hun tong shi bei
需要，肯定喷嘴夹角为[wei]16°。1.2.2 孔数和孔径滴选取 喷嘴孔数和孔径滴选取除了根据加热
xu yao ken ding pen zui jia jiao wei [wei]16 1.2.2 kong shu he kong jing di xuan qu pen zui kong shu he kong jing di xuan qu chu le gen ju jia re
能{销售实习周记can}量大滴喷嘴夹角相对增大些［2］。根据试验用{use}炉滴几许尺寸及热{hot}负荷滴实际
neng { xiao shou shi xi zhou ji can} liang da di pen zui jia jiao xiang dui zeng da xie 2 gen ju shi yan yong {use} lu di ji hu chi cun ji re {hot} fu he di shi ji
便于和气氛混同。因而，燃烧能量(喷油量)小{little}滴油{oil}喷嘴喷孔夹角可恰当小些；燃烧
bian yu he qi fen hun tong yin er ran shao neng liang ( pen you liang ) xiao {little} di you {oil} pen zui pen kong jia jiao ke qia dang xiao xie ran shao