空水壓機(ji)適(shi)用現場普遍會(hui)整套搭配儲氣(qi)罐,每的個(ge)(ge)儲氣(qi)罐都(dou)標著(zhu)相關的的體積(ji),讓冷空標準氣(qi)減小(xiao)(xiao)機(ji)一個(ge)(ge)人向儲氣(qi)罐集中供熱(re),表明充汽到所檢定水壓的日期可計(ji)算的出(chu)冷空標準氣(qi)減小(xiao)(xiao)機(ji)的排(pai)量。
水汽壓(ya)縮視頻機水比熱容換算(suan)表格函數推演(yan)如下所(suo)示:
PV=nRT
中間n 、R 為汽體(ti)常數,T為千萬溫差。
減小及(ji)充(chong)罐(guan)方式當(dang)做等(deng)溫方式則有:P1V1=P2V2= P3V3
假設空(kong)氣(qi)(qi)壓(ya)(ya)(ya)縮機(ji)排(pai)量為(wei)v,吸氣(qi)(qi)絕(jue)(jue)對壓(ya)(ya)(ya)力為(wei)P0=0.1MPa (大氣(qi)(qi)壓(ya)(ya)(ya)),儲氣(qi)(qi)罐(guan)標(biao)定容積(ji)為(wei)Vg,空(kong)氣(qi)(qi)壓(ya)(ya)(ya)縮機(ji)排(pai)氣(qi)(qi)絕(jue)(jue)對壓(ya)(ya)(ya)力為(wei)Pg(空(kong)氣(qi)(qi)壓(ya)(ya)(ya)縮機(ji)標(biao)牌所標(biao)定的壓(ya)(ya)(ya)力為(wei)表(biao)壓(ya)(ya)(ya),變為(wei)絕(jue)(jue)對壓(ya)(ya)(ya)力時(shi)要加上大氣(qi)(qi)壓(ya)(ya)(ya)),用(yong)空(kong)氣(qi)(qi)壓(ya)(ya)(ya)縮機(ji)打(da)氣(qi)(qi)充(chong)罐(guan)到(dao)空(kong)氣(qi)(qi)壓(ya)(ya)(ya)縮機(ji)標(biao)定壓(ya)(ya)(ya)力所需時(shi)間為(wei)t,按上述(shu)面積(ji)來計算公式則有:
P0vt=PgVg
推(tui)行 v=(PgVg)/(P0t) 或 t=(PgVg)/(P0v)
例(li)一:一氣(qi)氛當中縮(suo)減機校驗排氣(qi)氛各種壓力力為0.8MPa,排量為10 m3/min;用氣(qi)氛當中縮(suo)減機為一溶量為10m3的儲氣(qi)罐充汽到0.8MPa(表壓)要有(you)多少(shao)時(shi)間?
B------- t=(PgVg)/(P0v)
由上確知(zhi) P0=0.1MPa
Pg=(0.8+0.1)MPa
Vg=10 m3 v=10 m3/min
將以上所述要求融入(ru)B式有:
t=(0.9x10)/(0.1x10)=9
必需時(shi)長(chang)為 t=9min
例二:下有熱自(zi)然(ran)(ran)空(kong)氣的縮短的機標記(ji)排(pai)風負荷為(wei)0.8MPa,但誰知排(pai)量。用熱自(zi)然(ran)(ran)空(kong)氣的縮短的機為(wei)一容量為(wei)12.5m3的儲氣罐(guan)充(chong)氣墊(dian)到(dao)0.7MPa(表壓)要(yao)8.5min,求熱自(zi)然(ran)(ran)空(kong)氣的縮短的機排(pai)量。
A------- v=(PgVg)/(P0t)
由上而定 P0=0.1MPa
Pg=(0.7+0.1)MPa
Vg=12.5 m3 t=8.5min
將(jiang)給出的條件帶進A式有:v=(0.8x12.5)/(0.1x8.5)=11.8
故新鮮空壓力表縮機(ji)排量為 v=11.8 m3/min
螺絲桿(gan)暖(nuan)(nuan)空(kong)的(de)空(kong)風壓(ya)力縮機從(cong)點(dian)火到很順利(li)事情約(yue)有5分鐘的(de)整個(ge)過程(cheng),在充氣式時要暖(nuan)(nuan)空(kong)的(de)空(kong)風壓(ya)力縮機很順利(li)才準備充。