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当前位置:花开棋牌 > 技术文章 > 不同真空范围内抽气时间计算

不同真空范围内抽气时间计算

DIANJICISHU:1048 FABUSHIJIAN:2017/7/19 16:13:15

花开棋牌GENJUZHENKONGXITONGDESHIYONGMUDEERJUEDINGSUOXUDEZHENKONGDUHECHOUQISHIJIAN,RANHOUXUANZEHESHIDEZHENKONGBENG。BENJIEJIESHAOBUTONGZHENKONGFANWEINEIDECHOUQISHIJIANJISUAN。

1、大气压-低真空领域的抽气时间计算

  ZHEILISUOZHIDEDIZHENKONGLINGYU,SHIZHIZAI100 KPaZHI0.2 KPa,DIZHENKONGLINGYUZHENKONGQIANGTIHEBENGDELIANJIEGUANNEI,QITIFENZISHINIANXINGLIUSHI,CHOUQISHIJIANKEYITONGGUOCHUQIYAQIANGp1、DAODAYAQIANGp2、CHOUQISUDUSHERONGJIV(HANPEIGUAN)LAIJISUAN。

大气压-低真空领域的抽气时间计算

花开棋牌  SHIZHONG p1———CHUQIYAQIANG(DAQIYA)[Pa];

花开棋牌  p2———DAODAYAQIANG[Pa];

花开棋牌  t———CHOUQISHIJIAN[min];

花开棋牌  V———RONGJI[L];

花开棋牌  Se———SHIJICHOUQISUDU[L/min]。

花开棋牌  KAOLVDAODAOGUANHEFAMENDEPINGJINGXIAOYING,SHIJICHOUQISUDUDAZHIKEYIGUSUANWEILILUNCHOUQISUDUDE80%。

2、中真空领域的抽气时间计算

花开棋牌  ZHEILISUOZHIDEGAOZHENKONGZHICHAOGAOZHENKONGLINGYU,SHIZHIZHENKONGDUZAI200 Pa ZHI 0.2PaZHIJIAN,ZHONGZHENKONGLINGYUDAOGUANNEIDEQITIFENZI,CHUYUNIANXINGLIUHEFENZILIUDEZHONGJIANZHUANGTAI,BUNENGDANCHUNDIXIANGDIZHENKONGHUOXIAMIANDISANZHANGJIEJIANGJIEDEGAOZHENKONGNEIYANGJIANDANDIJISUAN。YIBANQINGKUANGXIA,TONGGUOLIANGZHONGFANGSHIFENBIEJISUANCHOUQISHIJIAN,RANHOUQUJISUANZHIJIAODADEJIEGUO。

  ZHENKONGCHOUQIYAOKAOLVDEYAOSU:

  (1)DAODAZHENKONGDU;

  (2)CHOUQISUDU;

  (3)DAOTONGLV;

花开棋牌  (4)SHIJICHOUQISUDU;

  (5)QITIFANGCHULV;

  (6)LOULV。

  YONGZHENKONGBENGDUIZHENKONGQIANGTICHOUQISHI,CHUQIANGTINEIDEYAQIANGXUNSUJIANGDI,DANSHIJINGGUOYIDUANSHIJIANHOUYAQIANGXIAJIANGBIANHUAN,BINGQIEQUYUYIGEHENGDINGZHI。DAOZHIZHEIZHONGXIANXIANGDEZHUYAOYUANYINSHI。RUTU1SUOSHI,YAQIANGBIANHUADEBUTONGLINGYU,FENBIECHENGZHIWEIKONGJIANCHOUQIHEBIAOMIANCHOUQI。WEILEJINYIBUTIGAOZHENKONGDU,TONGCHANGCAIYONGDEDUICERUXIA:

压强和排气时间的关系

花开棋牌TU1  YAQIANGHECHOUQISHIJIANDEGUANXI

花开棋牌  (1)XUANZEBIAOMIANFANGCHUQITISHAODECAILIAO;

花开棋牌  (2)TONGGUODIANJIEPAOGUANGDENGSHOUDUAN,JIANXIAOCAILIAOBIAOMIANJI,JIERJIANSHAOQITIFENZIDEXIFU

  JUTIKECANKAO:ZHENKONGCAILIAODEBIAOMIANJINGHUAHEPAOGUANG

  ;

花开棋牌  (3)DUIQIANGTIJINXINGHONGKAO,CUJINBIAOMIANXIFUQITIDEFANGCHU。

3、高真空-超高真空领域的抽气时间计算

  ZHEILISUOZHIDEGAOZHENKONGZHICHAOGAOZHENKONGLINGYU,SHIZHIZHENKONGDUZAI0.2PaYIXIA,DUIYUGAOZHENKONGLINGYU,YAOCHONGFENKAOLVRONGQIBIYIJIRONGQINEIWUTIDEQITIFANGCHU,YINCI,CHOUQISHIJIANHECHOUQISUDUDEJISUANFANGFAHEDIZHENKONGLINGYUBUTONG。

高真空-超高真空领域的抽气时间计算

  SHIZHONG p(t)———DAODAYAQIANG;

  Se———SHIJICHOUQISUDU;

花开棋牌  Ql———QIANGTILOUQILIANG;

花开棋牌  Qg(t)———QIANGTINEIBUFANGCHUQITILIANG;

花开棋牌  p0———CHUQIYAQIANG。

  QITIDEFANGCHULIANGQg(t)SUIZHESHIJIANtERJIANSHAO。JISUANKAISHISHI,JIADINGYIGECHOUQISHIJIAN,GENJUDANGSHIDEFANGQILIANGLAIQIUDEDAODADEZHENKONGDU。RUGUOJISUANJIEGUOp(t)HESUOXUDEZHENKONGDUBUYIZHI,ZEZHONGXINJIADINGSHIJIAN,GENJUXINJIASHESHIJIANDEQITIFANGCHULIANGZAICIJISUAN。BUDUANZHONGFU,ZHONGRANGp(t)ZAISUOXUDEZHENKONGFANWEINEI。

  GAOZHENKONGLINGYUDECHOUQISHIJIANJISUANYUANBIDIZHENKONGLINGYUFUZA。ZHENKONGQIANGTIDENEIBIAOMIANJINGGUOJIUJINGQINGXIHE150~200℃HONGKAOCHULIDELIANGZHONGQINGKUANGXIA,HOUZHEDEQITIFANGCHUHUIJIANSHAO10%ZUOYOU,YINCISHIYONGTONGYANGDECHOUQIBENGSUONENGDAODADEZHENKONGDUYEHUIGENGGAOYIXIE。

花开棋牌  ZHENKONGQIANGTINEIDEBUJIANXINGZHUANGHECAIZHIYEJIDADIYINGXIANGDAODADEZHENKONGDUHECHOUQISHIJIAN。RUGUOSHIYONGLESHUZHILEICAILIAO,ZEDAODADEZHENKONGDUHUIBIDANCHUNKAOLVJINSHUBIAOMIANDEQITIFANGCHUYAOCHA2~3GESHULIANGJI。NEIBUSHIYONGLUODINGSHI,LUOWENBUCANLIUDEQITISUIZHECHOUQISHIJIANHUANMANFANGCHU。WEILEJIASULUOWENBUDEQITIFANGCHU,YAOZAILUODINGZHONGXINCHUANKONG,HUOZAILUOWENCEMIANKAIYIGECHUQIKONG(TU2)。YINCI,NEIBUGOUZAOYUEFUZA,YINGXIANGZHENKONGDEYINSUJIUYUEDUO,YAOHUODEGAOZHENKONG,SHEJISHANGJIUGENGXUYAOJINGYAN。

螺纹部的排气示意图

花开棋牌TU2 LUOWENBUDECHOUQISHIYITU

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