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當前位置:首頁技術文章分享(xiang)氣體檢漏儀在使(shi)用(yong)前和使(shi)用(yong)后的操作步驟!

分享氣體檢漏儀在使用前和使用后的操作步驟!

更新時間:2021-08-03點擊次數:637
  進口氣體(ti)檢(jian)漏儀采(cai)用電子電路,經特殊設計,能滿足當前(qian)和(he)將來檢(jian)測(ce)多種開關、全封閉(bi)組合電器等裝置中SF6氣體(ti)的滲漏,儀器測(ce)試為定性(xing)分析。

  進口氣體檢漏(lou)儀(yi)的原理為:
  空(kong)氣(qi)中含有的(de)六氟化(hua)硫氣(qi)體(ti)濃(nong)度變化(hua)時,該混(hun)合氣(qi)體(ti)在高(gao)頻(pin)電磁場的(de)作用下其電離的(de)程度也將不同,通過(guo)檢測電離度即可(ke)反映六氟化(hua)硫濃(nong)度。
  本產品采用小型真空泵,探頭與主機為分體式。
  具(ju)有(you)體(ti)積小、重量輕、攜帶(dai)方便、靈敏(min)度(du)(du)高(gao)、穩定性好、響應速度(du)(du)快、探頭不會中(zhong)毒、不產生(sheng)有(you)毒氣體(ti)等特(te)點。并有(you)液晶顯示氣體(ti)濃度(du)(du),使儀器讀數更為方便準確。
  目前,本產(chan)品除了(le)克服(fu)國(guo)外產(chan)品的缺點,吸收其優(you)點外,還具有(you)靈敏度高(gao)、穩(wen)定(ding)性好(hao)、響應速度快、操作簡便、移動范圍大。
  氣體檢(jian)漏(lou)儀(yi)采用(yong)電子電路(lu),經(jing)特殊設計,能滿足當前和將來(lai)檢(jian)測多(duo)種(zhong)開關、全封閉組(zu)合電器(qi)等裝置中SF6氣體的滲漏(lou),儀(yi)器(qi)測試(shi)為定性分析。
  操作員(yuan)只需打開開關,該檢漏(lou)儀就會編程,馬上可以搜索多(duo)種(zhong)氣體。當滲漏(lou)的(de)(de)氣體挨近檢漏(lou)儀時,類似計算(suan)機的(de)(de)報(bao)警器(qi)就給出報(bao)警信號,報(bao)警速度(du)和頻率隨泄漏(lou)量增大而增強。
  在污(wu)染(ran)的大(da)氣(qi)環境中(zhong),該檢漏儀重(zhong)新標(biao)定極為迅(xun)速,可以(yi)防止給出(chu)錯誤讀(du)數。內置特殊的微型(xing)高效泵有助于減少滲漏響應(ying)時間。

 

  進口氣體檢漏儀的使用方法:
  1.進口(kou)氣體檢漏儀的開機(ji)步驟:
  ①將(jiang)氣體檢漏儀接(jie)入被檢容(rong)器;
  ②接通電(dian)源(yuan),打(da)開儀(yi)器電(dian)源(yuan)總開關,<2分鐘后檢漏系(xi)統啟動;
  ③點擊(ji)開始按鈕便可。
  2.開始檢漏:
  ①必須先由蒸(zheng)餾真(zhen)(zhen)空(kong)(kong)系統對(dui)反應器進行抽真(zhen)(zhen)空(kong)(kong),當真(zhen)(zhen)空(kong)(kong)度達到氣(qi)體(ti)(ti)檢漏儀(yi)起測點1000pa后,緩慢開(kai)啟氣(qi)體(ti)(ti)檢漏儀(yi)入氣(qi)口真(zhen)(zhen)空(kong)(kong)球閥,面板數(shu)據(ju)穩定以(yi)后方可開(kai)始(shi)檢漏;
  ②氣體(ti)檢漏儀(yi)本身(shen)也(ye)是一組由小型分子泵(beng)和機(ji)械泵(beng)組成(cheng)的(de)真空系統(tong),其(qi)開啟后也(ye)參與(yu)反應器(qi)的(de)抽氣工作;
  ③檢(jian)(jian)(jian)(jian)(jian)測人員可(ke)以(yi)采用(yong)氦(hai)氣(qi)(qi)(qi)對反應器所有接(jie)口法蘭(lan)及焊縫進(jin)(jin)行吹氣(qi)(qi)(qi),如(ru)果有漏(lou)(lou)(lou)點(dian)(dian)(dian)存在(zai)(zai),當氦(hai)氣(qi)(qi)(qi)經過此(ci)(ci)(ci)位(wei)置時(shi),就(jiu)會(hui)(hui)(hui)有少量的(de)(de)(de)氦(hai)氣(qi)(qi)(qi)隨同空(kong)氣(qi)(qi)(qi)進(jin)(jin)入(ru)爐體(ti),再由真空(kong)管路抽走,此(ci)(ci)(ci)時(shi),會(hui)(hui)(hui)有少量的(de)(de)(de)氦(hai)氣(qi)(qi)(qi)進(jin)(jin)入(ru)檢(jian)(jian)(jian)(jian)(jian)漏(lou)(lou)(lou)儀(yi)中,檢(jian)(jian)(jian)(jian)(jian)漏(lou)(lou)(lou)儀(yi)內部的(de)(de)(de)氦(hai)氣(qi)(qi)(qi)質譜儀(yi),就(jiu)會(hui)(hui)(hui)檢(jian)(jian)(jian)(jian)(jian)測到氦(hai)氣(qi)(qi)(qi)的(de)(de)(de)存在(zai)(zai),通過檢(jian)(jian)(jian)(jian)(jian)漏(lou)(lou)(lou)儀(yi)數值變大提(ti)示檢(jian)(jian)(jian)(jian)(jian)測人員在(zai)(zai)此(ci)(ci)(ci)位(wei)置附近存在(zai)(zai)泄漏(lou)(lou)(lou)點(dian)(dian)(dian)。當漏(lou)(lou)(lou)點(dian)(dian)(dian)較大發出報警此(ci)(ci)(ci)時(shi)應停止噴(pen)氣(qi)(qi)(qi)待檢(jian)(jian)(jian)(jian)(jian)漏(lou)(lou)(lou)儀(yi)把氦(hai)氣(qi)(qi)(qi)抽完(wan)數字(zi)恢復正常(chang)后(hou)或者(zhe)調零后(hou)數字(zi)穩定后(hou)方可(ke)繼續檢(jian)(jian)(jian)(jian)(jian)漏(lou)(lou)(lou)。同時(shi)對于多重(zhong)彎曲(qu)的(de)(de)(de)管道(dao)容(rong)器氦(hai)氣(qi)(qi)(qi)從泄漏(lou)(lou)(lou)點(dian)(dian)(dian)到達(da)檢(jian)(jian)(jian)(jian)(jian)漏(lou)(lou)(lou)儀(yi)需要(yao)一(yi)定時(shi)間因此(ci)(ci)(ci)一(yi)段(duan)噴(pen)氣(qi)(qi)(qi)后(hou)應等待約20秒觀察(cha)數字(zi)變化情況來確定此(ci)(ci)(ci)段(duan)工件是否漏(lou)(lou)(lou)氣(qi)(qi)(qi)。由于,氦(hai)氣(qi)(qi)(qi)的(de)(de)(de)密度(du)小,在(zai)(zai)大氣(qi)(qi)(qi)中其會(hui)(hui)(hui)向上飄散,故此(ci)(ci)(ci),在(zai)(zai)吹氣(qi)(qi)(qi)檢(jian)(jian)(jian)(jian)(jian)測時(shi),應從設備上部開始吹氣(qi)(qi)(qi),以(yi)便漏(lou)(lou)(lou)點(dian)(dian)(dian)的(de)(de)(de)位(wei)置確定。在(zai)(zai)進(jin)(jin)行雙層夾(jia)套的(de)(de)(de)檢(jian)(jian)(jian)(jian)(jian)漏(lou)(lou)(lou)時(shi),可(ke)以(yi)將夾(jia)套作為獨立的(de)(de)(de)腔體(ti)進(jin)(jin)行單(dan)獨抽真空(kong)檢(jian)(jian)(jian)(jian)(jian)漏(lou)(lou)(lou),實現對內外(wai)壁的(de)(de)(de)一(yi)次(ci)性檢(jian)(jian)(jian)(jian)(jian)測。檢(jian)(jian)(jian)(jian)(jian)查完(wan)后(hou)處理全部漏(lou)(lou)(lou)點(dian)(dian)(dian),并再次(ci)進(jin)(jin)行復檢(jian)(jian)(jian)(jian)(jian),確定所有的(de)(de)(de)漏(lou)(lou)(lou)點(dian)(dian)(dian)不(bu)漏(lou)(lou)(lou)或者(zhe)微微一(yi)點(dian)(dian)(dian)漏(lou)(lou)(lou)。方可(ke)終止檢(jian)(jian)(jian)(jian)(jian)漏(lou)(lou)(lou)。
  3.停機:
  ①停機前(qian)先關(guan)閉反應器真空球閥;
  ②再(zai)關閉面板上(shang)的停(ting)止鍵;
  ③關(guan)閉電源。

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