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石墨填料塔的结构特性及塔径计算
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石墨填料塔的结构特性及塔径计算

2019-08-23      阅读:

甘肃快三走势图 ZAIHUAGONG、YIYAO、SHIYOUHUAGONG、YEJIN、QINGGONG、SHIPIN、FANGZHIYIJIGUOFANG、DIANZI、SANFEIZHILIDENGGUOMINJINGJIZHONGDUOLINGYU,YOUYUJIEZHIDEQIANGFUSHIXING,YAOQIUZHIZUOSHEBEIDECAILIAO,JIYAONENGFANGFUSHI,YOUYAOYOULIANGHAODECHUANREXINGNENG。SHIMOCAILIAOJIUCHENGWEILIXIANGDESHEBEIJIEGOUCAILIAO,SHEBEIXINGSHIYOUYUANYOUDEHUANREQI、SANHEYIHECHENGLU,ZHUBUFAZHANDAOXIANZAIDETIANLIAOTA、JINGLIUTA、SHIMOJIAOBANFU、JILENGTADENG。

1 石墨填料塔的工作原理

填料塔是以塔内的填料作为气液两相间接触构件的传质设备。塔身是一直立式圆筒,底部装有填料支承板,填料以乱堆或整砌的方式放置在支承板上。填料的上方安装填料压板,以防被上升气流吹动。液体从塔顶经液体分布器喷淋到填料上,并沿填料表面流下。气体从塔底送入,经气体分布装置(小直径塔一般不设气体分布装置)分布后,与液体呈逆流。

甘肃快三走势图 QIYELIANGXIANGLIANXUTONGGUOTIANLIAOCENGDEKONGXI,ZAITIANLIAOBIAOMIANSHANG,TONGGUOMIQIEJIECHUJINXINGCHUANZHI。TIANLIAOTASHUYULIANXUJIECHUSHIQIYECHUANZHISHEBEI,LIANGXIANGZUCHENGYANTAGAOLIANXUBIANHUA,ZAIZHENGCHANGCAOZUOZHUANGTAIXIA,QIXIANGWEILIANXUXIANG,YEXIANGWEIFENSANXIANG。

DANGYETIYANTIANLIAOCENGXIANGXIALIUDONGSHI,YOUZHUJIANXIANGTABIJIZHONGDEQUSHI,SHIDETABIFUJINDEYELIULIANGZHUJIANZENGDA,ZHEIZHONGXIANXIANGCHENGWEIBILIU。BILIUXIAOYINGZAOCHENGQIYELIANGXIANGZAITIANLIAOCENGZHONGFENBUBUJUN,CONGERSHICHUANZHIXIAOLVXIAJIANG。YINCI,DANGTIANLIAOCENGJIAOGAOSHI,XUYAOJINXINGFENDUAN,ZHONGJIANSHEZHIZAIFENBUZHUANGZHI。YETIZAIFENBUZHUANGZHIBAOKUOYETISHOUJIQIHEYETIZAIFENBUQI2BUFEN,SHANGCENGTIANLIAOLIUXIADEYETIJINGYETISHOUJIQISHOUJIHOU,SONGDAOYETIZAIFENBUQI,JINGZHONGXINFENBUHOUPENLINDAOXIACENGTIANLIAOSHANG。

2 石墨填料塔的结构特性

甘肃快三走势图 SHIMOTIANLIAOTAYOUTATI、PENLINZHUANGZHI、TIANLIAOJIQIZHICHENGBAN、ZAIFENBUQI、JINCHUKOUDENGBUJIANZUCHENG。

GAITIANLIAOTAJIEGOUJIANDAN,LIYONGSHANGXIAJINSHUGAIBANZUOLIANJIEFALAN,YONGZHANGLUOSHUANSHANGXIAJIANGSUOYOUTAJIEJINGUWEIYITI,XIANGLINLIANGTAJIEYONGHUOTAOFALANLIANJIE,TAJIEJIANDEMIFENGXINGSHIWEIAOTUMIAN,DIANPIANCAILIAOCAIYONGSIFUMIFENGDAI。

TADEDINGBUZHUANGSHEDEPENLINZHUANGZHI,ZHUYAOFENWEIGUANSHI、PANSHI、LIANPENGSHIHECAOSHI4ZHONG,YIBIANYETIFENBUJUNYUN,CHONGFENSHIRUNTIANLIAODEBIAOMIAN,YONGYIDADAOJIAOGAODECHUANZHIXIAOLV。ERTAZHONGBUSHEZHIDEZAIFENBUZHUANGZHI,SHIWEILEBIMIANDINGBUPENLINXIALAIDEYETIXIANGTATINEICEPIANLIU,CONGERYINGXIANGTAXIAOLV。

填料作为气液接触的主要构件,必须满足比表面积大、自由体积小、机构强度足够等要求,通常情况下采用石墨拉西环甘肃快三走势图。填料支撑件大部分由浸渍石墨板加工成多孔板形式。

3 石墨填料塔液泛现象

YEFANSHITANEILIUTILIUDONGDEYIZHONGXIANXIANG。DANGQIYELIANGXIANGZAITIANLIAOTANEIZUONILIULIUDONG,LIANGXIANGZHIJIANDEXIANGDUISUDUCHAOGUOMOUYIXIANZHIHOU,QITIYALIJIANGJIJUSHANGSHENG,YETIBUNENGCHANGTONGDEXIANGXIALIUDONG,TIANLIAODINGBUYOUYETIJICUN,ZHEISHIQITIZHINENGGUPAOTONGGUOYECENG,YINWUMOJIADAIYANZHONG,SHENZHICHANSHENGQIYEBENGFAXIANXIANG,CHUANZHIXIAOGUOEHUA,BUNENGWEICHITADEZHENGCHANGSHENGCHAN。

KONGZHIJINLIAOLIANGYIJIHUILIULIANG,WENDINGTAFUJIAREZHENGQIYALI,WEICHITAFUYEWEIYUYIDINGBODONGFANWEI,ZUOHAOTADING、TADIYALIJIANCEJILUDENGFANGFADOUSHIYOUXIAODEYUFANGSHIMOTIANLIAOTAYEFANDECUOSHI。

4 石墨填料塔塔径估算

石墨填料塔塔径估算已知条件见表1。
石墨填料塔的结构特性及塔径计算

CAIYONGAIKETE(Eckert)TONGYONGGUANLIANTUJISUANFANDIANQISU。

气相质量流量为WV甘肃快三走势图=4 122 kg/h

液相质量流量为WL=24 676 kg/h

甘肃快三走势图 EckertTONGYONGGUANLIANTUDEHENGZUOBIAOWEI

TONGGUOCHAEckertGUANLIANTUDE

查填料因子表得:φF=252(φ50陶瓷阶梯环填料);μL甘肃快三走势图≈0.76cp=0.000 76 Pa·s

g=9.81 m/s2

ZEFANDIANQISUWEI:

空塔气速:取u=0.85uF=0.941 m/s

≈1.1(m)

甘肃快三走势图 YUANZHENGTAJING,QUD=1.1 m(ANFANDIANQISUXIAOHEJISHIJIGONGCHENGJINGYANGUIZHENGQUZHI)。FANDIANSULVXIAOHE:

填料规格校核

甘肃快三走势图 YETIPENLINMIDUXIAOHE:

取最小湿润率:(LWmin=0.08 m3/m2·h

CHAXIANGGUANSHUJUSHOUCEDE:

α1=124 m2/m3

Umin1·(LWmin=124×0.08=9.92(m3/m2·h)

式中:α1—填料比表面积。

JINGSHANGSHUXIAOHEKEZHI,TIANLIAOTAZHIJINGXUANYONGD=1 100 mm。

5 结论

(1)BENWENJIANDANDEJIESHAOSHIMOTIANLIAOTADEYIXIEJIBENYUANLIYIJICHUBUDETAJINGGUSUAN,ZAISHIJIDESHEBEIXUANXINGJISUANZHONGHAIXUYAOZONGHEKAOLVTATIDEYALIJIANG、TIANLIAOCENGGAODU、TIANLIAOGUIGE、SHEBEIQIANGDUDENGYINSU。

甘肃快三走势图 (2)SHIMOTIANLIAOTATONGGUOJINIANDESHIJIYUNXING,DUIYANSUAN、LIUSUANDENGFUSHIXINGJIEZHIDEXISHOU、JIEXI、NONGSUODENGDANYUANCAOZUOJUYOUKECAOZUOXING。

(3)SHIMOTIANLIAOTAJIEGOUJIANDAN,ZHIZAOFANGBIAN,SHIYINGXINGQIANG,DUIYUCHULIZHANXING、REMINXINGXIAODEFUSHIXINGWULIAOHUOCHUANZHISULVYOUQIXIANGKONGZHIDEWULIAO,YINGYONGGUANGFAN。

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