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  • 2021

    4-29

    臺式(shi)離(li)(li)(li)心(xin)(xin)(xin)(xin)機(ji)是利用(yong)離(li)(li)(li)心(xin)(xin)(xin)(xin)力,分(fen)離(li)(li)(li)液(ye)(ye)體(ti)(ti)(ti)與(yu)固(gu)(gu)體(ti)(ti)(ti)顆(ke)粒或(huo)(huo)液(ye)(ye)體(ti)(ti)(ti)與(yu)液(ye)(ye)體(ti)(ti)(ti)的(de)混合物(wu)中(zhong)各組分(fen)的(de)機(ji)械。臺式(shi)離(li)(li)(li)心(xin)(xin)(xin)(xin)機(ji)的(de)工(gong)作原理(li)及(ji)用(yong)途臺式(shi)離(li)(li)(li)心(xin)(xin)(xin)(xin)機(ji)是利用(yong)離(li)(li)(li)心(xin)(xin)(xin)(xin)力,分(fen)離(li)(li)(li)液(ye)(ye)體(ti)(ti)(ti)與(yu)固(gu)(gu)體(ti)(ti)(ti)顆(ke)粒或(huo)(huo)液(ye)(ye)體(ti)(ti)(ti)與(yu)液(ye)(ye)體(ti)(ti)(ti)的(de)混合物(wu)中(zhong)各組分(fen)的(de)機(ji)械。臺式(shi)離(li)(li)(li)心(xin)(xin)(xin)(xin)機(ji)主要用(yong)于將懸(xuan)浮液(ye)(ye)中(zhong)的(de)固(gu)(gu)體(ti)(ti)(ti)顆(ke)粒與(yu)液(ye)(ye)體(ti)(ti)(ti)分(fen)開;或(huo)(huo)將乳(ru)濁液(ye)(ye)中(zhong)兩(liang)種密(mi)(mi)度(du)(du)不(bu)(bu)同(tong),又互不(bu)(bu)相溶的(de)液(ye)(ye)體(ti)(ti)(ti)分(fen)開(例(li)如(ru)(ru)從牛奶(nai)中(zhong)分(fen)離(li)(li)(li)出奶(nai)油(you));它(ta)也(ye)可用(yong)于排除濕(shi)固(gu)(gu)體(ti)(ti)(ti)中(zhong)的(de)液(ye)(ye)體(ti)(ti)(ti),例(li)如(ru)(ru)用(yong)洗衣(yi)機(ji)甩干濕(shi)衣(yi)服;特(te)殊的(de)超速管式(shi)分(fen)離(li)(li)(li)機(ji)還可分(fen)離(li)(li)(li)不(bu)(bu)同(tong)密(mi)(mi)度(du)(du)的(de)氣體(ti)(ti)(ti)混合物(wu);利用(yong)不(bu)(bu)同(tong)密(mi)(mi)度(du)(du)或(huo)(huo)粒度(du)(du)的(de)固(gu)(gu)體(ti)(ti)(ti)顆(ke)粒在液(ye)(ye)體(ti)(ti)(ti)中(zhong)沉降(jiang)速度(du)(du)不(bu)(bu)同(tong)的(de)特(te)點,有的(de)沉降(jiang)臺式(shi)離(li)(li)(li)...

  • 2021

    4-26

    臺(tai)式離心機(ji)運轉(zhuan)(zhuan)前應先(xian)切(qie)斷電源(yuan)并先(xian)松開(kai)離心機(ji)剎車(che),可(ke)以手試(shi)轉(zhuan)(zhuan)動(dong)轉(zhuan)(zhuan)鼓,看有(you)(you)無(wu)咬煞情況。檢(jian)查其(qi)他部位有(you)(you)無(wu)松動(dong)及不正(zheng)常情況。接通電源(yuan)依順時(shi)(shi)針(zhen)方向(xiang)開(kai)車(che)啟動(dong)(通常從靜止狀態(tai)到正(zheng)常運轉(zhuan)(zhuan)約需(xu)40-60秒左右(you))。通常每臺(tai)設(she)備到廠后均須(xu)空車(che)運轉(zhuan)(zhuan)3小時(shi)(shi)左右(you),無(wu)異常情況即可(ke)工(gong)作(zuo)。物料(liao)盡(jin)可(ke)能要放置均勻。必(bi)(bi)須(xu)專人操(cao)作(zuo),容量(liang)不得超(chao)過額(e)定量(liang)。嚴禁機(ji)器(qi)超(chao)速(su)運轉(zhuan)(zhuan),以免影響(xiang)機(ji)器(qi)使(shi)用(yong)壽命。機(ji)器(qi)開(kai)動(dong)后,若有(you)(you)異常情況必(bi)(bi)須(xu)停車(che)檢(jian)查,必(bi)(bi)要時(shi)(shi)需(xu)予以拆(chai)洗(xi)修(xiu)理。臺(tai)式離心機(ji)工(gong)作(zuo)時(shi)(shi)是高速(su)運轉(zhuan)(zhuan),因此切(qie)不可(ke)用(yong)身體觸及其(qi)轉(zhuan)(zhuan)鼓,以防(fang)意(yi)外。濾...

  • 2021

    4-23

    大(da)(da)容(rong)(rong)(rong)量(liang)(liang)(liang)(liang)離(li)(li)心(xin)(xin)(xin)(xin)(xin)(xin)機(ji)顧名思義就(jiu)是它的(de)(de)(de)(de)容(rong)(rong)(rong)量(liang)(liang)(liang)(liang)比(bi)普通(tong)的(de)(de)(de)(de)離(li)(li)心(xin)(xin)(xin)(xin)(xin)(xin)機(ji)大(da)(da),主(zhu)要(yao)(yao)的(de)(de)(de)(de)區別(bie)在于(yu)(yu)單個(ge)轉子(zi)的(de)(de)(de)(de)容(rong)(rong)(rong)量(liang)(liang)(liang)(liang)或者總容(rong)(rong)(rong)量(liang)(liang)(liang)(liang)比(bi)較大(da)(da),這就(jiu)對離(li)(li)心(xin)(xin)(xin)(xin)(xin)(xin)機(ji)的(de)(de)(de)(de)技術和轉子(zi)有了(le)更高(gao)的(de)(de)(de)(de)要(yao)(yao)求,一般大(da)(da)容(rong)(rong)(rong)量(liang)(liang)(liang)(liang)離(li)(li)心(xin)(xin)(xin)(xin)(xin)(xin)機(ji)都是低速的(de)(de)(de)(de),但(dan)離(li)(li)心(xin)(xin)(xin)(xin)(xin)(xin)機(ji)技術逐(zhu)漸(jian)成熟,也有大(da)(da)容(rong)(rong)(rong)量(liang)(liang)(liang)(liang)高(gao)速離(li)(li)心(xin)(xin)(xin)(xin)(xin)(xin)機(ji)。大(da)(da)容(rong)(rong)(rong)量(liang)(liang)(liang)(liang)離(li)(li)心(xin)(xin)(xin)(xin)(xin)(xin)機(ji)由于(yu)(yu)自(zi)身的(de)(de)(de)(de)轉速很高(gao),在操作(zuo)的(de)(de)(de)(de)時(shi)候(hou)為避免(mian)一些事故發生,盡(jin)可能的(de)(de)(de)(de)做到(dao)以下幾點:先將大(da)(da)容(rong)(rong)(rong)量(liang)(liang)(liang)(liang)離(li)(li)心(xin)(xin)(xin)(xin)(xin)(xin)機(ji)所(suo)配離(li)(li)心(xin)(xin)(xin)(xin)(xin)(xin)管(guan)加(jia)入需分離(li)(li)的(de)(de)(de)(de)物(wu)資(zi),分別(bie)掛于(yu)(yu)離(li)(li)心(xin)(xin)(xin)(xin)(xin)(xin)頭掛鉤上,每支離(li)(li)心(xin)(xin)(xin)(xin)(xin)(xin)管(guan)所(suo)加(jia)物(wu)質(zhi)的(de)(de)(de)(de)質(zhi)量(liang)(liang)(liang)(liang)必須基本(ben)相等,合上蓋板,接通(tong)電(dian)源,打開(kai)箱體后部(bu)總電(dian)源開(kai)關,按選(xuan)擇鍵,用▲▼選(xuan)擇你(ni)所(suo)需要(yao)(yao)的(de)(de)(de)(de)速度和工...

  • 2021

    4-21

    一般采(cai)用(yong)(yong)(yong)的是微(wei)電腦控制,自動失衡檢(jian)測(ce)技術(shu),以滿足用(yong)(yong)(yong)戶對實(shi)驗(yan)的要求(qiu)。可用(yong)(yong)(yong)于(yu)血液血清學,血型(xing)常規檢(jian)測(ce),紅細(xi)胞(bao)(bao)洗(xi)滌,微(wei)柱凝(ning)膠免疫檢(jian)測(ce)實(shi)驗(yan)等。發(fa)展過程:隨著(zhu)世(shi)界生物學工程技術(shu)的迅猛發(fa)展,微(wei)柱凝(ning)膠免疫檢(jian)測(ce)技術(shu)從傳統的血型(xing)血清學常規檢(jian)測(ce)中(zhong)脫穎而出,它以其操作簡便,結果清晰,可辨迅速的特點被世(shi)界一些國家所采(cai)用(yong)(yong)(yong),取代了(le)應(ying)用(yong)(yong)(yong)100年的傳統血凝(ning)試驗(yan)。微(wei)柱凝(ning)膠免疫檢(jian)測(ce)技術(shu)*微(wei)柱凝(ning)膠卡(ka),而檢(jian)測(ce)微(wei)柱凝(ning)膠卡(ka)必須具有(you)配(pei)備用(yong)(yong)(yong)卡(ka)架的離(li)心(xin)機(ji),但進口離(li)心(xin)機(ji)的價格昂貴且有(you)諸多不便。用(yong)(yong)(yong)途:1.紅細(xi)胞(bao)(bao)實(shi)驗(yan):紅細(xi)胞(bao)(bao)血型(xing)定...

  • 2021

    4-16

    離(li)(li)心(xin)(xin)機(ji)(ji)就是利用(yong)離(li)(li)心(xin)(xin)力使得需要分(fen)離(li)(li)的(de)不同物料(liao)得到(dao)加(jia)速分(fen)離(li)(li)的(de)機(ji)(ji)器。冷凍(dong)離(li)(li)心(xin)(xin)機(ji)(ji)有分(fen)為(wei)低速、高速冷凍(dong)離(li)(li)心(xin)(xin)機(ji)(ji),以(yi)及(ji)超速分(fen)析(xi)、制(zhi)備兩用(yong)冷凍(dong)離(li)(li)心(xin)(xin)機(ji)(ji)等多種型(xing)號。轉(zhuan)速一般不超過4000rpm,最大容量(liang)為(wei)2—4L,是實驗室(shi)常(chang)用(yong)于大量(liang)初(chu)級分(fen)離(li)(li)提取生(sheng)物大分(fen)子、沉淀物等。其轉(zhuan)頭多用(yong)鋁合金制(zhi)的(de)甩平(ping)式和(he)(he)角式兩種,離(li)(li)心(xin)(xin)管(guan)有硬質(zhi)玻璃、聚乙烯(xi)硬塑料(liao)和(he)(he)不銹鋼管(guan)多種型(xing)號。離(li)(li)心(xin)(xin)機(ji)(ji)裝配有驅動電機(ji)(ji)、定時器、調整器(速度指示)和(he)(he)制(zhi)冷系統(溫度可(ke)調范(fan)圍為(wei)-20—+40℃),可(ke)根(gen)據離(li)(li)心(xin)(xin)物質(zhi)所需,更換(huan)不同容量(liang)和(he)(he)不同型(xing)號轉(zhuan)速的(de)轉(zhuan)頭...

  • 2021

    4-14

    離心機(ji)(ji)是廣泛用于(yu)(yu)血(xue)(xue)(xue)液血(xue)(xue)(xue)清(qing)(qing)學(xue),血(xue)(xue)(xue)型常(chang)規(gui)(gui)(gui)檢(jian)(jian)測,紅細(xi)胞(bao)洗滌(di)(di)(di),微柱凝膠免疫(yi)檢(jian)(jian)測實(shi)(shi)驗(yan)(yan)等(deng)的器械(xie),對試驗(yan)(yan)和分析具有重大意義(yi)。基本結(jie)構離心機(ji)(ji),為血(xue)(xue)(xue)型檢(jian)(jian)測,血(xue)(xue)(xue)液血(xue)(xue)(xue)清(qing)(qing)學(xue)等(deng)各(ge)種實(shi)(shi)驗(yan)(yan)設定(ding)了標準(zhun)程序,使(shi)實(shi)(shi)驗(yan)(yan)檢(jian)(jian)測和研究(jiu)(jiu)都標準(zhun)化(hua),規(gui)(gui)(gui)范化(hua)。離心機(ji)(ji)通常(chang)由控(kong)制系統、離心腔、驅(qu)動系統、轉子和安全保護裝置等(deng)組成。應(ying)用適(shi)用于(yu)(yu)血(xue)(xue)(xue)型血(xue)(xue)(xue)清(qing)(qing)學(xue)常(chang)規(gui)(gui)(gui)檢(jian)(jian)測;紅細(xi)胞(bao)洗滌(di)(di)(di)(洗滌(di)(di)(di)12支(zhi)試管(guan)如(ru)同洗滌(di)(di)(di)單支(zhi)試管(guan)一樣簡單);微柱凝膠免疫(yi)檢(jian)(jian)測實(shi)(shi)驗(yan)(yan)等(deng)。應(ying)用于(yu)(yu)血(xue)(xue)(xue)站(zhan)、、科(ke)等(deng)血(xue)(xue)(xue)型血(xue)(xue)(xue)清(qing)(qing)學(xue)工作中,也適(shi)應(ying)于(yu)(yu)微生(sheng)(sheng)物學(xue)、生(sheng)(sheng)物化(hua)學(xue)等(deng)常(chang)規(gui)(gui)(gui)檢(jian)(jian)測及研究(jiu)(jiu)工作。特點經(jing)濟(ji)實(shi)(shi)用:...

  • 2021

    4-12

    常見(jian)(jian)故(gu)(gu)障(zhang)電機(ji)達不到額定轉(zhuan)速故(gu)(gu)障(zhang)原(yuan)(yuan)因(yin)軸(zhou)(zhou)(zhou)承損(sun)壞或(huo)(huo)轉(zhuan)動(dong)受阻,軸(zhou)(zhou)(zhou)承內缺油(you)(you)或(huo)(huo)軸(zhou)(zhou)(zhou)承內有污垢(gou)引起(qi)摩擦(ca)阻力(li)增(zeng)大(da)簡易排除方法1.清洗及加潤滑(hua)油(you)(you),或(huo)(huo)更(geng)換軸(zhou)(zhou)(zhou)承2.清理整流子及電刷,使其接觸良好(hao),或(huo)(huo)者更(geng)換3.重新繞制(zhi)線圈常見(jian)(jian)故(gu)(gu)障(zhang)機(ji)體震(zhen)動(dong)劇烈,響聲異常故(gu)(gu)障(zhang)原(yuan)(yuan)因(yin)1.離心管重量不平衡(heng),放置不對稱(cheng)2.轉(zhuan)頭(tou)孔(kong)內有異物,負荷不平衡(heng)3.轉(zhuan)軸(zhou)(zhou)(zhou)上(shang)端固(gu)定螺(luo)帽(mao)松(song)動(dong),轉(zhuan)軸(zhou)(zhou)(zhou)帽(mao),或(huo)(huo)更(geng)換轉(zhuan)軸(zhou)(zhou)(zhou)摩擦(ca)或(huo)(huo)彎曲簡易排除方法1.正確操作2.清除孔(kong)內異物3.擰緊轉(zhuan)軸(zhou)(zhou)(zhou)上(shang)端螺(luo)帽(mao),或(huo)(huo)更(geng)換轉(zhuan)軸(zhou)(zhou)(zhou)常見(jian)(jian)故(gu)(gu)障(zhang)轉(zhuan)頭(tou)的損(sun)壞故(gu)(gu)障(zhang)原(yuan)(yuan)因(yin)轉(zhuan)頭(tou)可因(yin)金屬疲勞、超速、過應力(li)化(hua)...

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