雷氏沸煮箱(xiang)是(shi)符合(he)GB/T1346及(ji)業標準JC/T955-2005《水泥標準稠度用水量、凝結(jie)時間,安全性檢(jian)驗方法(fa)(fa)》標準要(yao)求。雷氏沸煮箱(xiang)對水泥安定性能進行(xing)雷氏法(fa)(fa)及(ji)試餅法(fa)(fa)兩(liang)種測(ce)定。雷氏沸煮箱(xiang)對升溫(wen)保溫(wen)均能自(zi)動控制,也可人(ren)工(gong)控制。是(shi)水泥生(sheng)產、施工(gong)、科研、教學單位設備之一。
1、有效容積:410×240×310mm
2、試驗容量:雷氏法(fa)25組 試餅法(fa)30—40只(zhi)
3、加熱時間:30±5min
4、恒溫(wen)時間:180±5min
5、加熱功率:4000W
6、恒溫功率(lv):1000W
7、電源電壓:交(jiao)流220V
8、凈重:約20Kg
9、接線:壹火(huo)壹零 箱體接地
1.根據用戶要求試餅法和雷氏(shi)法同時(shi)使(shi)用,以對比水泥安(an)定試驗結果,特(te)將篦(bi)(bi)板高度降低,為此請用戶使(shi)用篦(bi)(bi)板時(shi)(包括只做雷氏(shi)夾法)務必(bi)置于試餅架之(zhi)上。
2.沸煮箱(xiang)(xiang)(xiang)(xiang)(xiang)內(nei)(nei)(nei)(nei)充水(shui)(shui)180mm(以內(nei)(nei)(nei)(nei)箱(xiang)(xiang)(xiang)(xiang)(xiang)體底部起算)將經過養護的(de)試(shi)餅(bing)或雷(lei)氏夾由玻璃板(ban)上(shang)取下來平放在(zai)試(shi)餅(bing)架或者雷(lei)氏夾兩(liang)指(zhi)針(zhen)朝(chao)上(shang),試(shi)模橫放于(yu)篦板(ban)上(shang)。 3.接通電(dian)(dian)氣控(kong)制箱(xiang)(xiang)(xiang)(xiang)(xiang)電(dian)(dian)源,啟(qi)動(dong)(dong)“自(zi)(zi)動(dong)(dong)”開關(guan),沸煮箱(xiang)(xiang)(xiang)(xiang)(xiang)內(nei)(nei)(nei)(nei)的(de)水(shui)(shui)于(yu)30分鐘(zhong)左右后沸騰,一組(zu)3kW電(dian)(dian)熱(re)器自(zi)(zi)動(dong)(dong)停止(zhi)工(gong)(gong)作,指(zhi)示(shi)燈滅。再煮3h沸煮箱(xiang)(xiang)(xiang)(xiang)(xiang)內(nei)(nei)(nei)(nei)另一組(zu)1kW電(dian)(dian)熱(re)器自(zi)(zi)動(dong)(dong)停止(zhi)工(gong)(gong)作,指(zhi)示(shi)燈滅。此時(shi)數字顯示(shi)為210 min,電(dian)(dian)氣控(kong)制箱(xiang)(xiang)(xiang)(xiang)(xiang)內(nei)(nei)(nei)(nei)蜂鳴(ming)器發出(chu)聲(sheng)響,表示(shi)工(gong)(gong)作結束。煮畢將水(shui)(shui)由電(dian)(dian)熱(re)水(shui)(shui)咀放出(chu),打開箱(xiang)(xiang)(xiang)(xiang)(xiang)蓋(gai)待箱(xiang)(xiang)(xiang)(xiang)(xiang)體冷卻(que)至(zhi)室(shi)溫(wen),取出(chu)試(shi)件進行檢測(ce)。 4.如沸煮箱(xiang)(xiang)(xiang)(xiang)(xiang)內(nei)(nei)(nei)(nei)充水(shui)(shui)溫(wen)度低于(yu)20℃時(shi),可先將電(dian)(dian)氣控(kong)制箱(xiang)(xiang)(xiang)(xiang)(xiang)上(shang)手(shou)動(dong)(dong)自(zi)(zi)動(dong)(dong)切(qie)換開關(guan)放在(zai)手(shou)動(dong)(dong)位置(zhi)(zhi)、升(sheng)溫(wen)恒溫(wen)開關(guan)放在(zai)升(sheng)溫(wen)位置(zhi)(zhi)。將水(shui)(shui)升(sheng)溫(wen)至(zhi)20℃左右,將手(shou)動(dong)(dong)、自(zi)(zi)動(dong)(dong)開關(guan)切(qie)換到自(zi)(zi)動(dong)(dong)位置(zhi)(zhi)即可自(zi)(zi)動(dong)(dong)運行。 5.沸煮箱(xiang)(xiang)(xiang)(xiang)(xiang)內(nei)(nei)(nei)(nei)必(bi)須用潔(jie)凈淡水(shui)(shui),本設(she)備久用后,箱(xiang)(xiang)(xiang)(xiang)(xiang)內(nei)(nei)(nei)(nei)可能累積水(shui)(shui)垢,用戶可酌情定期清洗。
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