通過對幹氣提濃裝置的兩台羅茨真空泵機組的氣密、負荷試車、運行等過程的考察,兩台機組基本能夠滿足目前生產的需要,但能否滿足裝置長周期運轉的需要,還有待在以後生產過程中進一步考察:
①密封問題。
youyugongyijiezhideteshuyaoqiu,xuyaomifengjuyoujiaogaodekekaoxing,muqianzhezhongdebanfashizengjiadanfeng,zuoweitigaoluocibengdeshiyongxinglaishuozhuyaohaixuyaozaimifengxingshishangzuogaijin。weifangzhikongqixirubengneihuoguoduodedanqixirubengnei,zaihouxuliuchengzhongzengjialejiancedanqiheyangqidefenxiyibiao。
②泵體溫度。
影ying響xiang真zhen空kong泵beng體ti溫wen度du的de因yin素su較jiao多duo,無wu論lun什shen麼me原yuan因yin導dao致zhi泵beng體ti溫wen度du上shang升sheng,一yi旦dan出chu現xian事shi故gu苗miao頭tou時shi,尤you其qi是shi泵beng體ti局ju部bu溫wen度du升sheng高gao時shi,溫wen度du上shang升sheng極ji快kuai,泵beng出chu口kou溫wen度du又you來lai不bu及ji反fan映ying,泵beng可ke能neng已yi經jing發fa生sheng事shi故gu。建jian議yi在zai泵beng體ti上shang安an裝zhuang溫wen度du監jian測ce點dian,並bing增zeng加jia相xiang應ying的de停ting車che連lian鎖suo功gong能neng,避bi免mian發fa生sheng重zhong大da的de設she備bei事shi故gu。
③duiyuqilengshiluocizhenkongbeng,baozhengbengtidelengqueshiguanjian,duiyubenzhuangzhi,kaolvdaofuhedezhouqibianhua,yaobaozhengzhongjianlengqueqidelengquexiaoguo,youqishierjilengqueqidelengquexiaoguo,keyitongguoshidangzengjialengquemianji,quebaohuiliulengqueqitidewendubunengtaigao。
④級間止回閥問題。
鑒於級間止回閥的重要性,建議將此閥改為程控閥並用PLC程序控製,這樣可以在較大範圍內調節一級、二級泵之間的負荷,增加泵組對工況的適應性,或者根據現有工藝條件,更換一個阻力較小的單向閥,適當減少二級泵的負荷。
⑤由於變壓吸附工藝的特殊性,對羅茨真空泵的維護也(ye)提(ti)出(chu)了(le)更(geng)高(gao)的(de)要(yao)求(qiu),如(ru)泵(beng)在(zai)什(shen)麼(me)時(shi)候(hou)啟(qi)動(dong)負(fu)荷(he)最(zui)小(xiao),在(zai)什(shen)麼(me)時(shi)候(hou)切(qie)換(huan)對(dui)泵(beng)衝(chong)擊(ji)最(zui)小(xiao),運(yun)行(xing)過(guo)程(cheng)中(zhong),由(you)於(yu)噪(zao)音(yin)較(jiao)大(da),如(ru)何(he)去(qu)巡(xun)檢(jian)才(cai)能(neng)更(geng)有(you)效(xiao)地(di)發(fa)現(xian)問(wen)題(ti),這(zhe)些(xie)都(dou)與(yu)普(pu)通(tong)的(de)離(li)心(xin)泵(beng)、風機有較大的區別,需要不斷摸索。 |