DL-XH—0642石油產品(pin)自燃點測定(ding)儀 一(yi)、概述 本(ben)儀器是根據石油(you)行業標準SH/T0642《液(ye)體(ti)(ti)石油(you)和(he)石油(you)化工(gong)產品自燃(ran)(ran)(ran)點測(ce)定法》的(de)要求設計(ji)制造的(de)。適(shi)用于(yu)對自燃(ran)(ran)(ran)點有(you)要求的(de)液(ye)體(ti)(ti)石油(you)和(he)石油(you)化工(gong)產品,例如:熱傳(chuan)導液(ye)、難(nan)燃(ran)(ran)(ran)液(ye)壓(ya)液(ye)、難(nan)燃(ran)(ran)(ran)汽輪機油(you)、難(nan)燃(ran)(ran)(ran)變壓(ya)器油(you)等。 該儀(yi)器(qi)(qi)(qi)由金屬坩(gan)堝爐、爐體高精度智(zhi)能(neng)控溫儀(yi)、電控箱、瓶(ping)內(nei)溫度檢測儀(yi)、計時器(qi)(qi)(qi)、氣泵、爐面上方反(fan)光鏡、注射針、燒瓶(ping)等部件組(zu)成。符合(he)該標準(zhun)對儀(yi)器(qi)(qi)(qi)的要求。 DL-XH—0642石油產品自(zi)燃點測定儀 二、技術(shu)參數 1、輸入電壓:AC 220V±10% 50Hz 2、使用溫度范圍:100~600℃ 可隨意(yi)設置 3、控溫精度:±1℃。 4、加熱(re)功率:3800W 5、氣泵:18W 6、計時器:10分鐘計時報(bao)訊,也可以任意(yi)設置其它所需時間 7、使用環境溫度(du):5~35℃ 8、相對濕度:<85%RH DL-XH—0642石(shi)油產品自燃點測定儀 三、使(shi)用方法 1、將(jiang)(jiang)(jiang)儀(yi)器(qi)放在(zai)通風櫥內(nei)工作臺上(shang)(shang)后(hou),將(jiang)(jiang)(jiang)爐體電(dian)(dian)源插頭(tou)插到(dao)控(kong)制箱插座上(shang)(shang),將(jiang)(jiang)(jiang)熱(re)(re)電(dian)(dian)偶(ou)傳感器(qi)分別(bie)接到(dao)各自(zi)的(de)接線(xian)(xian)柱上(shang)(shang)(紅接正),裸露的(de)熱(re)(re)電(dian)(dian)偶(ou)測瓶(ping)內(nei)溫度(du)。將(jiang)(jiang)(jiang)吹風管插到(dao)儀(yi)器(qi)后(hou)部的(de)管嘴上(shang)(shang)。將(jiang)(jiang)(jiang)燒瓶(ping)固定到(dao)爐蓋上(shang)(shang),放到(dao)爐膛內(nei)。固定好熱(re)(re)電(dian)(dian)偶(ou)。連接好后(hou)將(jiang)(jiang)(jiang)電(dian)(dian)源線(xian)(xian)插頭(tou)插到(dao)室內(nei)電(dian)(dian)源插座上(shang)(shang)。(注意! 三芯電(dian)(dian)源插座的(de)中間孔為(wei)接地線(xian)(xian), 必(bi)須(xu)可靠接地, 以確保人身安全。左孔為(wei)零(ling)線(xian)(xian),右孔為(wei)火線(xian)(xian)。) 2、撥動“電源”開關,上部(bu)數顯表顯示爐體溫(wen)度(du),下部(bu)數顯表顯示瓶(ping)內溫(wen)度(du)。 3、按動上部爐體(ti)溫(wen)(wen)(wen)度(du)表 功能鍵,溫(wen)(wen)(wen)控表顯示SP字符,再按動▲鍵和▼鍵,設置所需溫(wen)(wen)(wen)度(du),(注(zhu):設置控溫(wen)(wen)(wen)溫(wen)(wen)(wen)度(du)比(bi)瓶內設定(ding)溫(wen)(wen)(wen)度(du)約高(gao)10℃)。再按動 功(gong)能(neng)鍵(jian),儀(yi)器(qi)開始加(jia)熱,“快升”指示(shi)(shi)燈(deng)和“加(jia)熱”指示(shi)(shi)燈(deng)亮,待加(jia)熱到(dao)接(jie)近恒(heng)溫(wen)(wen)(wen)時,“快升”指示(shi)(shi)燈(deng)滅,“加(jia)熱”指示(shi)(shi)燈(deng)閃動(dong)(dong),表示(shi)(shi)爐體(ti)已經(jing)進入恒(heng)溫(wen)(wen)(wen)點(dian)(dian)。(本控(kong)溫(wen)(wen)(wen)儀(yi)控(kong)溫(wen)(wen)(wen)參(can)數在出廠時已設(she)(she)定在*點(dian)(dian),用戶可以不必另(ling)行設(she)(she)置)。按(an)動(dong)(dong)下部瓶(ping)內(nei)溫(wen)(wen)(wen)度(du)表功(gong)能(neng)鍵(jian),溫(wen)(wen)(wen)控(kong)表顯(xian)示(shi)(shi)SP字符,再按(an)動(dong)(dong)▲鍵(jian)和▼鍵(jian),設(she)(she)置超(chao)溫(wen)(wen)(wen)報警溫(wen)(wen)(wen)度(du),(注:設(she)(she)置超(chao)溫(wen)(wen)(wen)報警溫(wen)(wen)(wen)度(du)比zui高自燃點(dian)(dian)溫(wen)(wen)(wen)度(du)約高10℃)。再按(an)動(dong)(dong)功(gong)能(neng)鍵(jian),儀(yi)器(qi)進入測溫(wen)(wen)(wen)顯(xian)示(shi)(shi)狀(zhuang)態(tai)。 當瓶(ping)內溫(wen)(wen)度恒(heng)(heng)定(ding)(ding)后,根據(ju)顯示溫(wen)(wen)度與預計(ji)自燃(ran)點設(she)定(ding)(ding)溫(wen)(wen)度的(de)差數(shu)再(zai)修改爐體(ti)控溫(wen)(wen)表(biao)的(de)設(she)定(ding)(ding)值,使瓶(ping)內溫(wen)(wen)度恒(heng)(heng)定(ding)(ding)在所(suo)需溫(wen)(wen)度上。當溫(wen)(wen)度恒(heng)(heng)定(ding)(ding)后,即可按(an)照(zhao)試驗(yan)方法標準第六章的(de)試驗(yan)步驟進行測定(ding)(ding)。 4、請將(jiang)計時(shi)(shi)器(qi)設(she)置為(wei)10:00分(fen)鐘。撥動(dong)“計時(shi)(shi)”開關,計時(shi)(shi)器(qi)清零,開始(shi)(shi)計時(shi)(shi)。按(an)“停(ting)止(zhi)”鍵,停(ting)止(zhi)計時(shi)(shi)。注(zhu)入試樣后,立即按(an)“啟動(dong)”鍵,開始(shi)(shi)顯示“著(zhu)火延遲(chi)時(shi)(shi)間”。發現著(zhu)火,立即按(an)“停(ting)止(zhi)”鍵,記錄“著(zhu)火延遲(chi)時(shi)(shi)間”。若(ruo)到10分(fen)鐘報(bao)訊(xun)時(shi)(shi),仍未著(zhu)火,則(ze)升高瓶內溫度30℃后再測(ce),直到得出結(jie)果。 5、撥(bo)動(dong)“氣泵”開(kai)關,進行更換試(shi)樣時吹(chui)氣。 |