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混凝土快速養護箱

  • 混凝土加速養護箱施工中通過不同加速養護法,預測出7天,28天令期混凝土抗壓,抗折強度,適用于科研院校的實驗及建工,建材,預制構件等單位的質量控制,是必不可少的專用設備.......
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混凝土加速養護箱施工中通(tong)過(guo)不(bu)同(tong)加速養護法,預測出7天(tian)、28天(tian)令期混(hun)凝(ning)土抗(kang)壓、抗(kang)折強度,適(shi)用于科研院校的實驗及建(jian)工、建(jian)材、預制構件(jian)等(deng)單位的質量控制,是必不(bu)可少的專用設(she)備(bei)。


技術參數:


  1、箱內容量:


  A型 150 試模 1組3個


  B型 150 試模 2組6個


  C型 150 試模 3組9個


  2、電(dian)源:380V


  3、加熱功率:3*3KW


  4、控溫范圍:0-100℃可調(diao)


  混(hun)凝(ning)土(tu)加速養(yang)(yang)護(hu)箱施工中通(tong)過不同加速養(yang)(yang)護(hu)法,預(yu)測出7天(tian)、28天(tian)令期混(hun)凝(ning)土(tu)抗壓、抗折強度(du),適(shi)用于科研院校的實驗(yan)及建(jian)工、建(jian)材、預(yu)制構件等單位的質量控制,是必(bi)不可(ke)少(shao)的專用設備。


技術參數:


  1、箱內容量:


  A型 150 試(shi)模 1組3個


  B型 150 試模 2組6個


  C型 150 試模 3組(zu)9個


  2、電源:380V


  3、加熱功率:3*3KW


  4、控(kong)溫范圍(wei):0-100℃可調

目前,國家現有(you)(you)的(de)(de)(de)產品中(zhong),很多類型號的(de)(de)(de)40B標(biao)(biao)準水泥(ni)混(hun)凝土(tu)恒(heng)(heng)(heng)溫(wen)(wen)(wen)恒(heng)(heng)(heng)濕(shi)(shi)養護箱(xiang)(xiang)存在(zai)(zai)著保(bao)溫(wen)(wen)(wen)性能差(cha)(cha)、溫(wen)(wen)(wen)度(du)(du)(du)控(kong)(kong)制(zhi)(zhi)(zhi)差(cha)(cha)、濕(shi)(shi)度(du)(du)(du)無琺達到標(biao)(biao)準的(de)(de)(de)缺點(dian),如控(kong)(kong)制(zhi)(zhi)(zhi)恒(heng)(heng)(heng)溫(wen)(wen)(wen)時(shi),大(da)(da)部(bu)分采用兩(liang)個(ge)(ge)溫(wen)(wen)(wen)度(du)(du)(du)控(kong)(kong)制(zhi)(zhi)(zhi)儀(yi),一(yi)個(ge)(ge)控(kong)(kong)制(zhi)(zhi)(zhi)加(jia)(jia)溫(wen)(wen)(wen),另(ling)一(yi)個(ge)(ge)控(kong)(kong)制(zhi)(zhi)(zhi)降(jiang)(jiang)溫(wen)(wen)(wen),由于實驗要求(qiu)的(de)(de)(de)標(biao)(biao)準溫(wen)(wen)(wen)度(du)(du)(du)是(shi)20℃,溫(wen)(wen)(wen)差(cha)(cha)越大(da)(da)越影(ying)響檢(jian)測(ce)(ce)結(jie)果(guo),所以(yi)溫(wen)(wen)(wen)差(cha)(cha)越小越好·因此(ci)在(zai)(zai)調(diao)節器的(de)(de)(de)兩(liang)個(ge)(ge)溫(wen)(wen)(wen)度(du)(du)(du)控(kong)(kong)制(zhi)(zhi)(zhi)儀(yi)時(shi),由于溫(wen)(wen)(wen)度(du)(du)(du)控(kong)(kong)制(zhi)(zhi)(zhi)儀(yi)本身的(de)(de)(de)誤差(cha)(cha),往(wang)往(wang)會造(zao)成溫(wen)(wen)(wen)差(cha)(cha)加(jia)(jia)大(da)(da)或加(jia)(jia)溫(wen)(wen)(wen)降(jiang)(jiang)溫(wen)(wen)(wen)同時(shi)進(jin)行,從而失(shi)(shi)去(qu)控(kong)(kong)制(zhi)(zhi)(zhi)溫(wen)(wen)(wen)度(du)(du)(du)的(de)(de)(de)效(xiao)果(guo)。另(ling)一(yi)種控(kong)(kong)制(zhi)(zhi)(zhi)恒(heng)(heng)(heng)溫(wen)(wen)(wen)的(de)(de)(de)辦法是(shi):用一(yi)個(ge)(ge)溫(wen)(wen)(wen)度(du)(du)(du)控(kong)(kong)制(zhi)(zhi)(zhi)儀(yi)控(kong)(kong)制(zhi)(zhi)(zhi)兩(liang)個(ge)(ge)繼電(dian)器一(yi)個(ge)(ge)繼電(dian)器控(kong)(kong)制(zhi)(zhi)(zhi)加(jia)(jia)溫(wen)(wen)(wen),另(ling)一(yi)個(ge)(ge)繼電(dian)器控(kong)(kong)制(zhi)(zhi)(zhi)降(jiang)(jiang)溫(wen)(wen)(wen),兩(liang)個(ge)(ge)繼電(dian)器在(zai)(zai)控(kong)(kong)制(zhi)(zhi)(zhi)面板上分別由兩(liang)個(ge)(ge)開(kai)關控(kong)(kong)制(zhi)(zhi)(zhi),這樣雖然控(kong)(kong)制(zhi)(zhi)(zhi)溫(wen)(wen)(wen)度(du)(du)(du)的(de)(de)(de)精度(du)(du)(du)高些,但(dan)是(shi)操作稍(shao)有(you)(you)失(shi)(shi)誤,不(bu)是(shi)都(dou)(dou)不(bu)工作就是(shi)加(jia)(jia)熱和降(jiang)(jiang)溫(wen)(wen)(wen)同時(shi)進(jin)行,這樣也會失(shi)(shi)去(qu)恒(heng)(heng)(heng)溫(wen)(wen)(wen)效(xiao)果(guo)。另(ling)外標(biao)(biao)準水泥(ni)(砼(tong))恒(heng)(heng)(heng)溫(wen)(wen)(wen)恒(heng)(heng)(heng)濕(shi)(shi)養護箱(xiang)(xiang)的(de)(de)(de)標(biao)(biao)準濕(shi)(shi)度(du)(du)(du)要求(qiu)是(shi)90-95%。現有(you)(you)的(de)(de)(de)技(ji)術都(dou)(dou)沒有(you)(you)加(jia)(jia)濕(shi)(shi)控(kong)(kong)制(zhi)(zhi)(zhi)和顯示(shi)裝置(zhi),只是(shi)在(zai)(zai)養護箱(xiang)(xiang)內(nei)淋水來增加(jia)(jia)濕(shi)(shi)度(du)(du)(du)。不(bu)能直接測(ce)(ce)出(chu)箱(xiang)(xiang)內(nei)濕(shi)(shi)度(du)(du)(du)的(de)(de)(de)大(da)(da)小,也不(bu)能自控(kong)(kong),這樣試體的(de)(de)(de)養護結(jie)果(guo)可能不(bu)準確(que)。


40B水泥混凝土恒溫恒濕(shi)養(yang)護箱(xiang)的開發(fa)成功,為建(jian)材、建(jian)筑行業提供了(le)一種能夠達到(dao)(dao)實(shi)驗要求的自(zi)控設備。操作簡單方便,溫濕(shi)度自(zi)控并(bing)有直觀數(shu)字顯示,溫度采用加(jia)熱與壓(ya)縮機降溫來達到(dao)(dao)標準要求,濕(shi)嗖采用超聲(sheng)波加(jia)濕(shi)器保證要求,全(quan)自(zi)動功能控制(zhi)只需打(da)開電源,便能達到(dao)(dao)您所(suo)需要的目的。箱(xiang)內(nei)壁采用進口不(bu)銹(xiu)鋼板制(zhi)成,內(nei),外箱(xiang)體(ti)之間用聚氨(an)脂(zhi)泡沫塑料做保溫材料,以(yi)改正老產(chan)品(pin)中用礦(kuang)渣綿做保溫層(ceng)的缺點,使(shi)內(nei)外箱(xiang)體(ti)形成一體(ti),同時也(ye)防止(zhi)了(le)外箱(xiang)殼鐵板生銹(xiu)腐蝕


混凝土標準(zhun)養(yang)護箱(xiang)結構和工(gong)作(zuo)原理:


1、結構


      箱(xiang)(xiang)體(ti)(ti)采(cai)用(yong)內(nei)(nei)外兩(liang)層,由(you)外箱(xiang)(xiang)體(ti)(ti)和內(nei)(nei)箱(xiang)(xiang)體(ti)(ti),外箱(xiang)(xiang)體(ti)(ti)采(cai)用(yong)*冷軋(ya)鋼(gang)板(ban)(ban),內(nei)(nei)箱(xiang)(xiang)體(ti)(ti)采(cai)用(yong)不(bu)銹鋼(gang)板(ban)(ban),擱板(ban)(ban)采(cai)用(yong)不(bu)銹鋼(gang)型材制(zhi)(zhi)成,防腐(fu)蝕(shi)性好(hao)。內(nei)(nei)箱(xiang)(xiang)體(ti)(ti)下邊的(de)水(shui)箱(xiang)(xiang)用(yong)于加(jia)(jia)熱及(ji)輔助增(zeng)濕(shi)(shi)(shi),增(zeng)濕(shi)(shi)(shi)系(xi)統以(yi)超聲波增(zeng)濕(shi)(shi)(shi)儀為(wei)主(zhu),水(shui)加(jia)(jia)熱蒸發(fa)為(wei)輔,自動控制(zhi)(zhi)系(xi)統由(you)控溫(wen)儀及(ji)控濕(shi)(shi)(shi)儀表按給定的(de)溫(wen)、濕(shi)(shi)(shi)度(du)制(zhi)(zhi)冷,加(jia)(jia)熱以(yi)及(ji)增(zeng)濕(shi)(shi)(shi)實(shi)行(xing)自動切換,箱(xiang)(xiang)內(nei)(nei)溫(wen)、濕(shi)(shi)(shi)度(du)由(you)儀表數(shu)字顯示。


2、工作原理


        溫(wen)控(kong):當箱(xiang)內溫(wen)度低(di)于(yu)溫(wen)控(kong)儀(yi)下限給定值(zhi)(zhi)時,溫(wen)控(kong)儀(yi)輸出加熱信號指令電(dian)熱原件(jian)開始(shi)工作,反之溫(wen)度高于(yu)上限給定值(zhi)(zhi)時,溫(wen)控(kong)儀(yi)指令制冷系統(tong)工作,當箱(xiang)內溫(wen)度達到所需要(yao)求(qiu)時,即自動(dong)停止加熱或制冷。


濕(shi)(shi)(shi)(shi)控:采用超聲波(bo)加濕(shi)(shi)(shi)(shi)器(qi)增濕(shi)(shi)(shi)(shi),能保證箱內(nei)濕(shi)(shi)(shi)(shi)度(du)達到≥95%,由溫控儀(yi)(yi)自動(dong)控制(zhi)增濕(shi)(shi)(shi)(shi)裝置,當濕(shi)(shi)(shi)(shi)度(du)<95%時,溫控儀(yi)(yi)指令增濕(shi)(shi)(shi)(shi)器(qi)工作,達到回差值后,自動(dong)停(ting)止工作,回差值應(ying)調在0-1℃,不易過大。


操作規程


1、箱(xiang)體(ti)就(jiu)位后須靜止24小時開(kai)機(待壓縮(suo)機內制冷和油分離后)。開(kai)機前調正水平(ping),向水箱(xiang)內加(jia)清潔(jie)自來水,水位超過(guo)加(jia)熱管3公分即可,并將濕度傳感器塑料盒(he)加(jia)滿蒸(zheng)餾水,將傳感器的紗布(bu)一端放入(ru)小孔內,使其有效接觸到水。


2、打開(kai)(kai)側門取出下增(zeng)濕(shi)器(qi)透(tou)明塑料(liao)水(shui)箱,將水(shui)箱底(di)蓋擰開(kai)(kai)加(jia)滿清潔(jie)自來水(shui)。如自來水(shui)是地下水(shui)堿性重(硬水(shui)),須改(gai)用蒸餾(liu)水(shui)(軟水(shui))。以(yi)免(mian)結水(shui)垢造成換(huan)能(neng)片損(sun)壞而不能(neng)增(zeng)濕(shi),水(shui)箱加(jia)滿水(shui)后須將底(di)蓋擰緊,否(fou)則滴水(shui)使(shi)水(shui)位升(sheng)高造成水(shui)面與(yu)水(shui)箱底(di)部(bu)的風道堵塞,霧產生而不能(neng)送入箱內,加(jia)濕(shi)器(qi)長時間不能(neng)工作容易損(sun)壞。水(shui)箱就(jiu)位后將軟管噴嘴按(an)放(fang)在(zai)霧噴道口(kou)號上。打開(kai)(kai)增(zeng)濕(shi)器(qi)開(kai)(kai)關(guan),將霧量旋鈕(niu)調節至*大位置(zhi)(詳細查看(kan)增(zeng)濕(shi)說(shuo)明書)。


3、通(tong)電后先檢查溫、濕度(du)上下限設(she)定(ding)值,出廠設(she)定(ding)值溫度(du)上限21.0℃,下限19.0℃,濕度(du)90%(89%加濕、92%恒(heng)溫)如不對則利用《設(she)定(ding)》、《置數》、《移(yi)位》鍵作調整(zheng)。


4、打開(kai)工作開(kai)關(guan),使儀表進(jin)行(xing)控制(zhi),待(dai)箱內溫(wen)、濕度達到控制(zhi)值后,重(zhong)復一(yi)次恒溫(wen)后,再放入試件


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