發布時間:2026-04-14 21:48:07 人氣:268354 來源:
1.檢漏原理
wuluncaiyongnazhongjianloufangfa,bixulijietadejibenyuanli。xieloujiancefangfashejideneirongjiaoguang,jizhongfanyinglegezhongjiliangheceshijishu。duixuduojiancefangfadeyuanlidounengxiangxilijieshiburongyide。
2.靈敏度
檢jian漏lou方fang法fa的de靈ling敏min度du可ke以yi用yong該gai方fang法fa可ke檢jian的de最zui小xiao泄xie漏lou率lv來lai表biao示shi。選xuan擇ze撿jian漏lou方fang法fa時shi應ying考kao慮lv各ge種zhong方fang法fa的de靈ling敏min度du,即ji采cai用yong哪na種zhong方fang法fa可ke以yi檢jian測ce出chu哪na一yi級ji的de泄xie漏lou率lv。例li如ru,要yao檢jian測ce10-5cm3/s 的泄漏率時,采用靈敏度為10-2cm3/s的方法就毫無竟義。反之,檢測102cm3/s的泄漏率時,采用靈敏度為10-5cm3/s的方法,原理上也許可行,但實際上可能是不經濟的。
3.響應時間
buluncaiyongshenmefangfa,shuajiancechuxieloulv,zongyaohuafeiyidingdeshijian。xiangyingshijiandechangduankenenghuiyingxiangjianloudejingduhelingmindu。tongchang,yanchangjianceshijian,huitigaolingmindu,danshi,jianceshijianguochang,youyuhuanjingtiaojiandegaibian,kenengjiangdijiancejingdu。xiangyingshijianbaokuojianceyiqibenshendeyingdashijian,qitiliudongdezhihoushijianhegezhongzhunbeisuoxudeshijian。xuanzejianloufangfashi,bixukaolvdaozheyidian。
4.泄漏點的判斷
youxiejianloufangfajinjinkeyipanduanchuxitongyouwuxielou,danwufaquedingxieloudianzaihechu,youdejianloufangfabujinkeyiquedingxieloudian,erqiekeyiquedingxieloulvdedaxiao。ruguojinjinshiweilenongqingzhuangzhishifouhegeshi,kecaiyongqianyizhongfangfa;在進行維修或要找出泄漏原因時,就必須采用後一種方法,采用後一種方法有時也會出現漏檢的情況。
5.一致性
對有些檢漏方法來說,不管檢測人員是否熟練,所得到的檢測結果都基本相同;youxiefangfazeshineixinghewaixingshiyong,qijieguoquanranbutong。kenengdeqingkuangxia,yingcaiyongbuxuyaoshuliandezhuanmenjishujiunengzhengquejiancedefangfa。meizhongfangfadouyoubutongdejishuguanjian,butongdejianlourenyuanweibinengdechuyizhidejianloujieguo。
6.穩定性
泄xie漏lou檢jian測ce是shi一yi種zhong計ji量liang和he測ce試shi的de綜zong合he技ji術shu。如ru果guo測ce試shi得de到dao的de數shu據ju不bu穩wen定ding,就jiu毫hao無wu意yi義yi。正zheng確que的de泄xie漏lou檢jian測ce不bu僅jin需xu要yao檢jian測ce儀yi器qi具ju有you穩wen定ding性xing,而er且qie需xu要yao檢jian測ce方fang法fa本ben身shen也ye具ju有you較jiao好hao的de穩wen定ding性xing。
7.可靠性
weijiancechuxieloubingbudengyujiushimeiyouxielou,duiciyingjinxingpanduan。caiyongmouzhongfangfajinxingjianloushi,yinggailejiegaifangfashifoukekao。jianloujieguodekekaoxingyushangmianjieshaodefangfadeyizhixing、穩定性等多種因素有關。
8.經濟性
經濟性是選擇檢漏方法的關鍵之一。單考慮檢漏方法本身的經濟性比較容易,但要從所需的檢漏設備、人員技術素養、檢漏結果等方麵綜合評價檢漏方法的經濟性則較困難。
例li如ru,塗tu肥fei皂zao液ye檢jian漏lou是shi一yi種zhong很hen經jing濟ji的de方fang法fa,但dan是shi,使shi用yong這zhe種zhong方fang法fa無wu法fa檢jian查zha出chu較jiao小xiao的de漏lou孔kong,因yin而er,無wu法fa用yong於yu對dui泄xie漏lou要yao求qiu較jiao高gao的de場chang合he。使shi用yong價jia格ge昂ang貴gui的de氦hai質zhi譜pu檢jian漏lou儀yi時shi,很hen快kuai就jiu能neng檢jian測ce出chu多duo處chu較jiao小xiao的de泄xie漏lou。因yin此ci,很hen難nan籠long統tong地di說shuo,上shang述shu兩liang種zhong方fang法fa中zhong,哪na種zhong經jing濟ji,哪na種zhong不bu經jing濟ji?
可見,選擇檢漏方法時,除了要考慮其經濟性外,還必須對靈敏度、響應時間、檢測要求等作全麵評價,使所選擇的檢漏方法既滿足檢漏要求,又經濟合理。