
2025-11-17 01:07:57
攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)度(du)(du)(du)(du)(du)(du)(du)和(he)時(shi)間(jian)對醇酸樹(shu)脂(zhi)(zhi)(zhi)的(de)(de)以下性(xing)(xing)能(neng)影響較(jiao)大(da):分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)量(liang)(liang)及(ji)其分(fen)(fen)(fen)(fen)(fen)(fen)(fen)布攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)度(du)(du)(du)(du)(du)(du)(du):攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)度(du)(du)(du)(du)(du)(du)(du)適中(zhong)(zhong)時(shi),能(neng)使反(fan)(fan)(fan)應物充分(fen)(fen)(fen)(fen)(fen)(fen)(fen)混合,分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)鏈(lian)增(zeng)(zeng)長(chang)均(jun)勻,分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)量(liang)(liang)分(fen)(fen)(fen)(fen)(fen)(fen)(fen)布較(jiao)窄,樹(shu)脂(zhi)(zhi)(zhi)性(xing)(xing)能(neng)穩定。若速(su)度(du)(du)(du)(du)(du)(du)(du)過(guo)(guo)快,可(ke)(ke)能(neng)產(chan)生(sheng)較(jiao)大(da)剪切力使分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)鏈(lian)斷(duan)裂(lie),導致分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)量(liang)(liang)降(jiang)低、分(fen)(fen)(fen)(fen)(fen)(fen)(fen)布變(bian)寬;速(su)度(du)(du)(du)(du)(du)(du)(du)過(guo)(guo)慢則反(fan)(fan)(fan)應物混合不(bu)(bu)均(jun),局部反(fan)(fan)(fan)應過(guo)(guo)度(du)(du)(du)(du)(du)(du)(du),也(ye)會(hui)使分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)量(liang)(liang)分(fen)(fen)(fen)(fen)(fen)(fen)(fen)布不(bu)(bu)均(jun)勻1。攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)時(shi)間(jian):時(shi)間(jian)過(guo)(guo)短,反(fan)(fan)(fan)應不(bu)(bu)完(wan)全,分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)量(liang)(liang)達不(bu)(bu)到預期,分(fen)(fen)(fen)(fen)(fen)(fen)(fen)布也(ye)不(bu)(bu)均(jun)勻。適當延長(chang)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)時(shi)間(jian),有利于(yu)反(fan)(fan)(fan)應充分(fen)(fen)(fen)(fen)(fen)(fen)(fen)進行,使分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)量(liang)(liang)增(zeng)(zeng)加且分(fen)(fen)(fen)(fen)(fen)(fen)(fen)布更合理,但(dan)時(shi)間(jian)過(guo)(guo)長(chang)可(ke)(ke)能(neng)引發(fa)過(guo)(guo)度(du)(du)(du)(du)(du)(du)(du)交聯等副反(fan)(fan)(fan)應,導致分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)量(liang)(liang)異常增(zeng)(zeng)大(da),性(xing)(xing)能(neng)變(bian)差。粘(zhan)度(du)(du)(du)(du)(du)(du)(du)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)度(du)(du)(du)(du)(du)(du)(du):較(jiao)高(gao)的(de)(de)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)度(du)(du)(du)(du)(du)(du)(du)可(ke)(ke)使樹(shu)脂(zhi)(zhi)(zhi)分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)鏈(lian)在(zai)體系中(zhong)(zhong)更好(hao)地舒展和(he)相互(hu)作用(yong),增(zeng)(zeng)加分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)間(jian)的(de)(de)摩擦(ca)和(he)纏結,從(cong)而使粘(zhan)度(du)(du)(du)(du)(du)(du)(du)升高(gao)。但(dan)如果速(su)度(du)(du)(du)(du)(du)(du)(du)過(guo)(guo)高(gao)導致分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)鏈(lian)斷(duan)裂(lie),粘(zhan)度(du)(du)(du)(du)(du)(du)(du)則可(ke)(ke)能(neng)下降(jiang)。攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)度(du)(du)(du)(du)(du)(du)(du)過(guo)(guo)低,分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)鏈(lian)間(jian)的(de)(de)相互(hu)作用(yong)較(jiao)弱,粘(zhan)度(du)(du)(du)(du)(du)(du)(du)會(hui)相對較(jiao)低。攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)時(shi)間(jian):隨著攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)時(shi)間(jian)的(de)(de)增(zeng)(zeng)加,樹(shu)脂(zhi)(zhi)(zhi)的(de)(de)聚合反(fan)(fan)(fan)應不(bu)(bu)斷(duan)進行,分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)鏈(lian)逐(zhu)漸增(zeng)(zeng)長(chang),粘(zhan)度(du)(du)(du)(du)(du)(du)(du)通常會(hui)逐(zhu)漸上(shang)升。不(bu)(bu)過(guo)(guo),當反(fan)(fan)(fan)應達到一定程度(du)(du)(du)(du)(du)(du)(du)后繼續延長(chang)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)時(shi)間(jian),若發(fa)生(sheng)過(guo)(guo)度(du)(du)(du)(du)(du)(du)(du)交聯,樹(shu)脂(zhi)(zhi)(zhi)的(de)(de)結構變(bian)得更加緊密和(he)剛(gang)性(xing)(xing),分(fen)(fen)(fen)(fen)(fen)(fen)(fen)子(zi)(zi)(zi)(zi)(zi)鏈(lian)的(de)(de)運動(dong)能(neng)力下降(jiang),粘(zhan)度(du)(du)(du)(du)(du)(du)(du)可(ke)(ke)能(neng)會(hui)急劇增(zeng)(zeng)大(da),甚(shen)至出現凝(ning)膠化現象。用(yong)取樣分(fen)(fen)(fen)(fen)(fen)(fen)(fen)析評(ping)估粘(zhan)稠物料攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)效(xiao)果時(shi),取樣點應如何科學設置?浙江噴(pen)漿(jiang)池(chi)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)器(qi)市場價(jia)

攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)器的(de)(de)(de)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)(su)(su)(su)(su)度(du)(du)(du)對(dui)不(bu)飽和(he)(he)樹(shu)脂(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)生(sheng)產(chan)效(xiao)(xiao)(xiao)率(lv)有以下幾方面(mian)影(ying)響:加(jia)(jia)(jia)速(su)(su)(su)(su)(su)傳質(zhi)(zhi)過(guo)程:提高(gao)(gao)(gao)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)(su)(su)(su)(su)度(du)(du)(du)能加(jia)(jia)(jia)快(kuai)物(wu)料(liao)(liao)(liao)體系中的(de)(de)(de)傳質(zhi)(zhi)過(guo)程,使反(fan)(fan)(fan)應(ying)(ying)(ying)(ying)物(wu)之間(jian)充分(fen)接觸,加(jia)(jia)(jia)速(su)(su)(su)(su)(su)離子擴(kuo)散。例如在(zai)不(bu)飽和(he)(he)樹(shu)脂(zhi)(zhi)(zhi)(zhi)生(sheng)產(chan)中,能讓(rang)引發劑(ji)、促進(jin)(jin)劑(ji)等添加(jia)(jia)(jia)劑(ji)更均勻(yun)地分(fen)散在(zai)樹(shu)脂(zhi)(zhi)(zhi)(zhi)體系中,與樹(shu)脂(zhi)(zhi)(zhi)(zhi)分(fen)子充分(fen)接觸并發生(sheng)反(fan)(fan)(fan)應(ying)(ying)(ying)(ying),從而(er)提高(gao)(gao)(gao)反(fan)(fan)(fan)應(ying)(ying)(ying)(ying)速(su)(su)(su)(su)(su)率(lv),縮短生(sheng)產(chan)周期。促進(jin)(jin)傳熱(re)均勻(yun):攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)(su)(su)(su)(su)度(du)(du)(du)增加(jia)(jia)(jia)有助于(yu)反(fan)(fan)(fan)應(ying)(ying)(ying)(ying)體系內熱(re)量(liang)(liang)均勻(yun)分(fen)布。不(bu)飽和(he)(he)樹(shu)脂(zhi)(zhi)(zhi)(zhi)生(sheng)產(chan)過(guo)程中往往伴隨著熱(re)量(liang)(liang)變(bian)化(hua),適當的(de)(de)(de)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)(su)(su)(su)(su)度(du)(du)(du)可及時移除反(fan)(fan)(fan)應(ying)(ying)(ying)(ying)產(chan)生(sheng)的(de)(de)(de)熱(re)量(liang)(liang)或為反(fan)(fan)(fan)應(ying)(ying)(ying)(ying)提供所需熱(re)量(liang)(liang),維(wei)持反(fan)(fan)(fan)應(ying)(ying)(ying)(ying)溫(wen)度(du)(du)(du)穩(wen)定(ding)。溫(wen)度(du)(du)(du)的(de)(de)(de)穩(wen)定(ding)有利于(yu)保證反(fan)(fan)(fan)應(ying)(ying)(ying)(ying)按預定(ding)方向進(jin)(jin)行(xing),避(bi)免因(yin)溫(wen)度(du)(du)(du)過(guo)高(gao)(gao)(gao)或過(guo)低導致(zhi)副反(fan)(fan)(fan)應(ying)(ying)(ying)(ying)增加(jia)(jia)(jia),從而(er)提高(gao)(gao)(gao)生(sheng)產(chan)效(xiao)(xiao)(xiao)率(lv)和(he)(he)產(chan)品(pin)(pin)質(zhi)(zhi)量(liang)(liang)。優化(hua)混(hun)合(he)(he)效(xiao)(xiao)(xiao)果(guo):攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)(su)(su)(su)(su)度(du)(du)(du)會影(ying)響物(wu)料(liao)(liao)(liao)的(de)(de)(de)混(hun)合(he)(he)程度(du)(du)(du)。速(su)(su)(su)(su)(su)度(du)(du)(du)過(guo)低,物(wu)料(liao)(liao)(liao)混(hun)合(he)(he)不(bu)均勻(yun),會出現(xian)局部(bu)反(fan)(fan)(fan)應(ying)(ying)(ying)(ying)過(guo)度(du)(du)(du)或不(bu)足(zu)的(de)(de)(de)情況,影(ying)響產(chan)品(pin)(pin)質(zhi)(zhi)量(liang)(liang)和(he)(he)生(sheng)產(chan)效(xiao)(xiao)(xiao)率(lv);適當提高(gao)(gao)(gao)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)(su)(su)(su)(su)度(du)(du)(du),可使物(wu)料(liao)(liao)(liao)混(hun)合(he)(he)得(de)更加(jia)(jia)(jia)均勻(yun),避(bi)免出現(xian)分(fen)層或局部(bu)濃度(du)(du)(du)過(guo)高(gao)(gao)(gao)的(de)(de)(de)現(xian)象(xiang),使反(fan)(fan)(fan)應(ying)(ying)(ying)(ying)更充分(fen)、更均勻(yun)地進(jin)(jin)行(xing),提高(gao)(gao)(gao)生(sheng)產(chan)效(xiao)(xiao)(xiao)率(lv)。但攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)(su)(su)(su)(su)度(du)(du)(du)過(guo)高(gao)(gao)(gao)也可能會帶來(lai)一些(xie)負面(mian)問題,如打入空(kong)氣,進(jin)(jin)而(er)影(ying)響樹(shu)脂(zhi)(zhi)(zhi)(zhi)顏色及其他指標,**終影(ying)響樹(shu)脂(zhi)(zhi)(zhi)(zhi)品(pin)(pin)質(zhi)(zhi),反(fan)(fan)(fan)而(er)降低生(sheng)產(chan)效(xiao)(xiao)(xiao)率(lv)。對(dui)于(yu)高(gao)(gao)(gao)粘(zhan)度(du)(du)(du)的(de)(de)(de)不(bu)飽和(he)(he)樹(shu)脂(zhi)(zhi)(zhi)(zhi),過(guo)高(gao)(gao)(gao)的(de)(de)(de)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)速(su)(su)(su)(su)(su)度(du)(du)(du)還可能導致(zhi)分(fen)子鏈斷裂等問題。浙(zhe)江苯酐預處理(li)釜(fu)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)器參考(kao)價選用強度(du)(du)(du)高(gao)(gao)(gao)的(de)(de)(de)耐磨(mo)材料(liao)(liao)(liao)制作攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)器槳葉,可有效(xiao)(xiao)(xiao)減少設備(bei)磨(mo)損并降低能耗。

攪拌(ban)器的(de)(de)(de)(de)(de)轉(zhuan)(zhuan)(zhuan)速(su)(su)(su)(su)(su)對(dui)藥(yao)(yao)品(pin)(pin)(pin)加(jia)工有什(shen)么影(ying)響(xiang)?混(hun)(hun)合(he)(he)(he)效果(guo)轉(zhuan)(zhuan)(zhuan)速(su)(su)(su)(su)(su)過(guo)(guo)低:藥(yao)(yao)品(pin)(pin)(pin)各成分(fen)(fen)(fen)無法充分(fen)(fen)(fen)接觸和混(hun)(hun)合(he)(he)(he),可(ke)能(neng)(neng)(neng)導致混(hun)(hun)合(he)(he)(he)不(bu)均(jun)勻(yun),出(chu)現(xian)局部濃度(du)過(guo)(guo)高(gao)(gao)或(huo)過(guo)(guo)低的(de)(de)(de)(de)(de)情況。比(bi)如(ru)在(zai)制(zhi)備復方藥(yao)(yao)物(wu)(wu)制(zhi)劑時,不(bu)同藥(yao)(yao)物(wu)(wu)成分(fen)(fen)(fen)不(bu)能(neng)(neng)(neng)均(jun)勻(yun)混(hun)(hun)合(he)(he)(he),會使藥(yao)(yao)品(pin)(pin)(pin)在(zai)不(bu)同部位的(de)(de)(de)(de)(de)藥(yao)(yao)效不(bu)一(yi)致,影(ying)響(xiang)***效果(guo)。轉(zhuan)(zhuan)(zhuan)速(su)(su)(su)(su)(su)過(guo)(guo)高(gao)(gao):雖然(ran)能(neng)(neng)(neng)加(jia)快混(hun)(hun)合(he)(he)(he)速(su)(su)(su)(su)(su)度(du),但(dan)可(ke)能(neng)(neng)(neng)會產生(sheng)過(guo)(guo)度(du)攪拌(ban)的(de)(de)(de)(de)(de)問題,對(dui)于(yu)一(yi)些有特(te)殊要求的(de)(de)(de)(de)(de)藥(yao)(yao)品(pin)(pin)(pin),可(ke)能(neng)(neng)(neng)會破(po)壞其(qi)結構(gou)或(huo)形態,同樣影(ying)響(xiang)藥(yao)(yao)品(pin)(pin)(pin)質(zhi)量(liang)(liang)和療效。合(he)(he)(he)適轉(zhuan)(zhuan)(zhuan)速(su)(su)(su)(su)(su):能(neng)(neng)(neng)使藥(yao)(yao)品(pin)(pin)(pin)中的(de)(de)(de)(de)(de)各種(zhong)成分(fen)(fen)(fen)充分(fen)(fen)(fen)且(qie)均(jun)勻(yun)地混(hun)(hun)合(he)(he)(he),保(bao)(bao)證藥(yao)(yao)品(pin)(pin)(pin)的(de)(de)(de)(de)(de)均(jun)一(yi)性,確(que)保(bao)(bao)每一(yi)片藥(yao)(yao)劑或(huo)每一(yi)毫升溶(rong)液中的(de)(de)(de)(de)(de)成分(fen)(fen)(fen)比(bi)例準確(que),從而使藥(yao)(yao)品(pin)(pin)(pin)的(de)(de)(de)(de)(de)藥(yao)(yao)效穩定(ding)且(qie)可(ke)靠。反(fan)(fan)應(ying)(ying)(ying)速(su)(su)(su)(su)(su)率(lv)(lv)轉(zhuan)(zhuan)(zhuan)速(su)(su)(su)(su)(su)過(guo)(guo)低:反(fan)(fan)應(ying)(ying)(ying)物(wu)(wu)之間(jian)的(de)(de)(de)(de)(de)接觸頻率(lv)(lv)和碰(peng)撞幾率(lv)(lv)較(jiao)低,反(fan)(fan)應(ying)(ying)(ying)進行得(de)緩慢,導致生(sheng)產周(zhou)期延長。例如(ru)在(zai)某些藥(yao)(yao)物(wu)(wu)合(he)(he)(he)成反(fan)(fan)應(ying)(ying)(ying)中,攪拌(ban)轉(zhuan)(zhuan)(zhuan)速(su)(su)(su)(su)(su)低會使反(fan)(fan)應(ying)(ying)(ying)物(wu)(wu)分(fen)(fen)(fen)子(zi)擴(kuo)散慢,反(fan)(fan)應(ying)(ying)(ying)不(bu)能(neng)(neng)(neng)充分(fen)(fen)(fen)進行,產物(wu)(wu)收率(lv)(lv)降低。轉(zhuan)(zhuan)(zhuan)速(su)(su)(su)(su)(su)過(guo)(guo)高(gao)(gao):可(ke)能(neng)(neng)(neng)使反(fan)(fan)應(ying)(ying)(ying)體系(xi)過(guo)(guo)于(yu)劇烈,導致局部過(guo)(guo)熱(re)或(huo)反(fan)(fan)應(ying)(ying)(ying)失控,引(yin)發(fa)副反(fan)(fan)應(ying)(ying)(ying)增(zeng)加(jia),降低產品(pin)(pin)(pin)的(de)(de)(de)(de)(de)純(chun)度(du)和質(zhi)量(liang)(liang)。特(te)別是對(dui)于(yu)一(yi)些對(dui)溫度(du)和反(fan)(fan)應(ying)(ying)(ying)條件敏感的(de)(de)(de)(de)(de)藥(yao)(yao)品(pin)(pin)(pin)合(he)(he)(he)成反(fan)(fan)應(ying)(ying)(ying),這種(zhong)影(ying)響(xiang)更為明顯。合(he)(he)(he)適轉(zhuan)(zhuan)(zhuan)速(su)(su)(su)(su)(su):能(neng)(neng)(neng)提(ti)供(gong)恰到好處(chu)的(de)(de)(de)(de)(de)反(fan)(fan)應(ying)(ying)(ying)物(wu)(wu)接觸和能(neng)(neng)(neng)量(liang)(liang)傳遞,加(jia)快反(fan)(fan)應(ying)(ying)(ying)速(su)(su)(su)(su)(su)率(lv)(lv),使反(fan)(fan)應(ying)(ying)(ying)在(zai)預(yu)定(ding)的(de)(de)(de)(de)(de)時間(jian)內達到較(jiao)高(gao)(gao)的(de)(de)(de)(de)(de)轉(zhuan)(zhuan)(zhuan)化率(lv)(lv),提(ti)高(gao)(gao)生(sheng)產效率(lv)(lv)的(de)(de)(de)(de)(de)同時保(bao)(bao)證產品(pin)(pin)(pin)質(zhi)量(liang)(liang)。
攪(jiao)拌槳(jiang)(jiang)(jiang)(jiang)葉(xie)形(xing)(xing)狀和剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)力(li)(li)的(de)(de)關(guan)系是(shi)什(shen)么(me)?一、葉(xie)片(pian)(pian)角(jiao)度(du)(du)(du):決定流(liu)場方向(xiang)(xiang)與剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)強(qiang)度(du)(du)(du)葉(xie)片(pian)(pian)與旋轉(zhuan)平(ping)面(mian)的(de)(de)夾(jia)角(jiao)是(shi)影響剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)力(li)(li)的(de)(de)關(guan)鍵因素。直(zhi)葉(xie)槳(jiang)(jiang)(jiang)(jiang)(葉(xie)片(pian)(pian)垂直(zhi)于旋轉(zhuan)平(ping)面(mian))旋轉(zhuan)時(shi)(shi),主(zhu)要(yao)推(tui)動物(wu)料(liao)產(chan)生(sheng)(sheng)徑向(xiang)(xiang)流(liu),物(wu)料(liao)高速(su)沖擊槳(jiang)(jiang)(jiang)(jiang)葉(xie)邊(bian)緣與罐壁,形(xing)(xing)成強(qiang)剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)作(zuo)用,適(shi)合(he)(he)需(xu)高剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)的(de)(de)場景,如(ru)顏料(liao)分(fen)(fen)散;斜葉(xie)槳(jiang)(jiang)(jiang)(jiang)(葉(xie)片(pian)(pian)傾斜30°-45°)則同時(shi)(shi)產(chan)生(sheng)(sheng)徑向(xiang)(xiang)流(liu)與軸向(xiang)(xiang)流(liu),物(wu)料(liao)與葉(xie)片(pian)(pian)接觸時(shi)(shi)沖擊力(li)(li)度(du)(du)(du)減弱,剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)力(li)(li)較(jiao)直(zhi)葉(xie)槳(jiang)(jiang)(jiang)(jiang)降低,更適(shi)配需(xu)溫和剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)的(de)(de)固體(ti)懸(xuan)浮場景,如(ru)礦石漿混(hun)合(he)(he)。二、葉(xie)片(pian)(pian)邊(bian)緣形(xing)(xing)態:影響局(ju)(ju)部(bu)湍(tuan)流(liu)與剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)分(fen)(fen)布葉(xie)片(pian)(pian)邊(bian)緣的(de)(de)光滑(hua)度(du)(du)(du)與結構(gou)差異會(hui)改變局(ju)(ju)部(bu)剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)效(xiao)果(guo)。光滑(hua)邊(bian)緣槳(jiang)(jiang)(jiang)(jiang)葉(xie)旋轉(zhuan)時(shi)(shi),物(wu)料(liao)流(liu)動平(ping)穩(wen),剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)力(li)(li)分(fen)(fen)布均(jun)勻,適(shi)合(he)(he)對(dui)剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)敏感(gan)的(de)(de)物(wu)料(liao)混(hun)合(he)(he),如(ru)生(sheng)(sheng)物(wu)制劑;帶齒(chi)形(xing)(xing)或缺口的(de)(de)槳(jiang)(jiang)(jiang)(jiang)葉(xie)(如(ru)渦輪齒(chi)形(xing)(xing)槳(jiang)(jiang)(jiang)(jiang)),旋轉(zhuan)時(shi)(shi)會(hui)在齒(chi)口處產(chan)生(sheng)(sheng)局(ju)(ju)部(bu)湍(tuan)流(liu),形(xing)(xing)成集中且更強(qiang)的(de)(de)剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)力(li)(li),能(neng)快速(su)打(da)破固體(ti)顆粒(li)團聚(ju)體(ti),常見(jian)于油墨、涂料(liao)等(deng)需(xu)分(fen)(fen)散細顆粒(li)的(de)(de)生(sheng)(sheng)產(chan)。三、槳(jiang)(jiang)(jiang)(jiang)葉(xie)數(shu)(shu)量:關(guan)聯剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)頻次與均(jun)勻度(du)(du)(du)相同轉(zhuan)速(su)下,槳(jiang)(jiang)(jiang)(jiang)葉(xie)數(shu)(shu)量越(yue)(yue)多(duo),物(wu)料(liao)在單位時(shi)(shi)間內(nei)被槳(jiang)(jiang)(jiang)(jiang)葉(xie)切(qie)(qie)(qie)(qie)割、推(tui)動的(de)(de)頻次越(yue)(yue)高,剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)力(li)(li)分(fen)(fen)布更均(jun)勻。例如(ru)4葉(xie)槳(jiang)(jiang)(jiang)(jiang)在低轉(zhuan)速(su)時(shi)(shi)剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)力(li)(li)易集中于槳(jiang)(jiang)(jiang)(jiang)葉(xie)附近,而6葉(xie)槳(jiang)(jiang)(jiang)(jiang)可讓剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie)作(zuo)用覆蓋更廣區(qu)域(yu),適(shi)合(he)(he)大容(rong)積罐體(ti)內(nei)的(de)(de)均(jun)勻剪(jian)(jian)(jian)(jian)切(qie)(qie)(qie)(qie),如(ru)化工(gong)反應釜的(de)(de)固液(ye)混(hun)合(he)(he)。 化工(gong)生(sheng)(sheng)產(chan)中固液(ye)混(hun)合(he)(he)或是(shi)液(ye)液(ye)混(hun)合(he)(he)對(dui)攪(jiao)拌設計要(yao)求有哪些(xie)區(qu)別(bie)?

斜(xie)(xie)葉(xie)(xie)渦(wo)(wo)輪(lun)槳與(yu)(yu)直(zhi)葉(xie)(xie)渦(wo)(wo)輪(lun)槳相比(bi),在固(gu)液混合(he)(he)(he)(he)(he)中各(ge)具(ju)備哪些優勢(shi)?直(zhi)葉(xie)(xie)渦(wo)(wo)輪(lun)槳的(de)關鍵優勢(shi)直(zhi)葉(xie)(xie)渦(wo)(wo)輪(lun)槳以徑向流(liu)為主,剪切力(li)強,適(shi)(shi)合(he)(he)(he)(he)(he)細顆(ke)粒(li)(li)、低黏(nian)度(du)固(gu)液體(ti)系。其(qi)一(yi),分散(san)(san)效率高(gao)(gao)(gao),高(gao)(gao)(gao)速(su)旋轉(zhuan)時(shi)產生(sheng)的(de)強剪切能(neng)(neng)快速(su)打破固(gu)體(ti)顆(ke)粒(li)(li)團聚體(ti)(如(ru)顏料(liao)、納(na)米(mi)粉體(ti)),讓固(gu)體(ti)顆(ke)粒(li)(li)均勻(yun)分散(san)(san)在液體(ti)中,常見于涂料(liao)、油墨等需高(gao)(gao)(gao)分散(san)(san)度(du)的(de)生(sheng)產;其(qi)二,攪(jiao)拌(ban)均勻(yun)性(xing)好,在低黏(nian)度(du)固(gu)液混合(he)(he)(he)(he)(he)(如(ru)水性(xing)懸浮(fu)液)中,徑向流(liu)可(ke)(ke)帶動(dong)物料(liao)沿罐(guan)壁快速(su)循(xun)環,減(jian)少局部固(gu)粒(li)(li)堆(dui)積,混合(he)(he)(he)(he)(he)均勻(yun)度(du)比(bi)普通(tong)槳葉(xie)(xie)提升(sheng)明顯;其(qi)三(san),適(shi)(shi)配高(gao)(gao)(gao)轉(zhuan)速(su)工(gong)況,結(jie)構強度(du)穩定(ding),在1000r/min以上(shang)轉(zhuan)速(su)下仍能(neng)(neng)保持(chi)穩定(ding)運(yun)行,適(shi)(shi)合(he)(he)(he)(he)(he)小容(rong)積、快節奏的(de)固(gu)液混合(he)(he)(he)(he)(he)需求(如(ru)實驗(yan)室小型分散(san)(san)罐(guan))。斜(xie)(xie)葉(xie)(xie)渦(wo)(wo)輪(lun)槳的(de)關鍵優勢(shi)斜(xie)(xie)葉(xie)(xie)渦(wo)(wo)輪(lun)槳因葉(xie)(xie)片傾斜(xie)(xie)(通(tong)常30°-45°),兼具(ju)徑向流(liu)與(yu)(yu)軸向流(liu),適(shi)(shi)合(he)(he)(he)(he)(he)粗顆(ke)粒(li)(li)、易沉降(jiang)固(gu)液體(ti)系。其(qi)一(yi),固(gu)體(ti)懸浮(fu)能(neng)(neng)力(li)強,軸向流(liu)可(ke)(ke)推動(dong)液體(ti)上(shang)下循(xun)環,將(jiang)罐(guan)底沉降(jiang)的(de)粗顆(ke)粒(li)(li)(如(ru)礦石粉、石英砂)持(chi)續帶起,避免(mian)顆(ke)粒(li)(li)沉積堵塞槳葉(xie)(xie),適(shi)(shi)配礦石漿、農藥懸浮(fu)劑等場景;其(qi)二,能(neng)(neng)耗更低,相比(bi)直(zhi)葉(xie)(xie)渦(wo)(wo)輪(lun)槳,斜(xie)(xie)葉(xie)(xie)推動(dong)物料(liao)流(liu)動(dong)時(shi)阻力(li)更小,相同懸浮(fu)效果下能(neng)(neng)耗可(ke)(ke)降(jiang)低15%-20%,適(shi)(shi)合(he)(he)(he)(he)(he)大規模、長時(shi)間運(yun)行的(de)固(gu)液混合(he)(he)(he)(he)(he)(如(ru)發酵罐(guan)固(gu)體(ti)培養基混合(he)(he)(he)(he)(he));其(qi)三(san),對設備友(you)好。 根據攪(jiao)拌(ban)罐(guan)尺寸定(ding)制(zhi)攪(jiao)拌(ban)器(qi),結(jie)合(he)(he)(he)(he)(he)多(duo)層槳葉(xie)(xie)設計(ji),能(neng)(neng)消除(chu)混合(he)(he)(he)(he)(he)死角。山東化工(gong)攪(jiao)拌(ban)器(qi)銷售價格
制藥行(xing)業的無(wu)菌攪拌需求(qiu),在設(she)備材質(zhi)與結構設(she)計上需要滿足哪些特殊要求(qiu)?浙江噴漿池攪拌器市場價(jia)
攪(jiao)拌(ban)器用于高(gao)壓(ya)(ya)與(yu)(yu)真空(kong)(kong)環(huan)(huan)境時(shi),密(mi)(mi)(mi)封(feng)(feng)材(cai)質(zhi)(zhi)(zhi)的(de)耐(nai)壓(ya)(ya)性(xing)(xing)與(yu)(yu)抗滲透(tou)性(xing)(xing)選(xuan)(xuan)擇(ze)(ze)有何關(guan)鍵(jian)(jian)差異?一(yi)、耐(nai)壓(ya)(ya)性(xing)(xing)選(xuan)(xuan)擇(ze)(ze):壓(ya)(ya)力(li)(li)(li)方(fang)向(xiang)決定材(cai)質(zhi)(zhi)(zhi)“抗變(bian)形(xing)需(xu)(xu)求”高(gao)壓(ya)(ya)環(huan)(huan)境中,攪(jiao)拌(ban)器內(nei)部壓(ya)(ya)力(li)(li)(li)遠高(gao)于外(wai)部,材(cai)質(zhi)(zhi)(zhi)耐(nai)壓(ya)(ya)性(xing)(xing)關(guan)鍵(jian)(jian)需(xu)(xu)應(ying)對**“向(xiang)外(wai)的(de)壓(ya)(ya)力(li)(li)(li)沖擊與(yu)(yu)擠壓(ya)(ya)”:需(xu)(xu)優(you)先(xian)選(xuan)(xuan)擇(ze)(ze)“高(gao)抗擠壓(ya)(ya)強(qiang)度(du)”材(cai)質(zhi)(zhi)(zhi),避免(mian)因高(gao)壓(ya)(ya)導致密(mi)(mi)(mi)封(feng)(feng)件變(bian)形(xing)、密(mi)(mi)(mi)封(feng)(feng)面(mian)(mian)分離。例如(ru)動環(huan)(huan)常用碳化(hua)鎢、氮化(hua)硅等硬質(zhi)(zhi)(zhi)合金(抗壓(ya)(ya)強(qiang)度(du)可達2000MPa以上),靜(jing)環(huan)(huan)選(xuan)(xuan)用浸銻石墨(兼具硬度(du)與(yu)(yu)韌性(xing)(xing),抗擠壓(ya)(ya)不易碎裂),密(mi)(mi)(mi)封(feng)(feng)圈則需(xu)(xu)耐(nai)高(gao)壓(ya)(ya)的(de)氟(fu)橡膠、全(quan)氟(fu)醚橡膠(在(zai)30MPa以內(nei)壓(ya)(ya)力(li)(li)(li)下仍(reng)能保(bao)持結構穩定,不出現過度(du)壓(ya)(ya)縮變(bian)形(xing))。真空(kong)(kong)環(huan)(huan)境中,內(nei)部為低氣(qi)壓(ya)(ya)、外(wai)部為常壓(ya)(ya),材(cai)質(zhi)(zhi)(zhi)耐(nai)壓(ya)(ya)性(xing)(xing)關(guan)鍵(jian)(jian)需(xu)(xu)應(ying)對“向(xiang)內(nei)的(de)壓(ya)(ya)力(li)(li)(li)擠壓(ya)(ya)與(yu)(yu)塌(ta)陷(xian)”:重點(dian)要求材(cai)質(zhi)(zhi)(zhi)“抗負壓(ya)(ya)塌(ta)陷(xian)能力(li)(li)(li)”,避免(mian)常壓(ya)(ya)空(kong)(kong)氣(qi)擠壓(ya)(ya)導致密(mi)(mi)(mi)封(feng)(feng)結構失效。此時(shi)金屬材(cai)質(zhi)(zhi)(zhi)更具優(you)勢(shi),如(ru)316L不銹鋼(剛性(xing)(xing)強(qiang),在(zai)真空(kong)(kong)負壓(ya)(ya)下不易形(xing)變(bian))、焊接金屬波紋(wen)管(整體成(cheng)型無拼接,抗塌(ta)陷(xian)同時(shi)保(bao)證密(mi)(mi)(mi)封(feng)(feng)行程);非金屬材(cai)質(zhi)(zhi)(zhi)需(xu)(xu)選(xuan)(xuan)高(gao)度(du)聚四(si)氟(fu)乙烯(拉伸(shen)強(qiang)度(du)≥20MPa),避免(mian)因負壓(ya)(ya)導致密(mi)(mi)(mi)封(feng)(feng)件“吸扁(bian)”破壞密(mi)(mi)(mi)封(feng)(feng)面(mian)(mian)貼合度(du)。二、抗滲透(tou)性(xing)(xing)選(xuan)(xuan)擇(ze)(ze):密(mi)(mi)(mi)封(feng)(feng)目標決定材(cai)質(zhi)(zhi)(zhi)“阻(zu)隔方(fang)向(xiang)”高(gao)壓(ya)(ya)環(huan)(huan)境下,密(mi)(mi)(mi)封(feng)(feng)關(guan)鍵(jian)(jian)是(shi)“防(fang)內(nei)部介質(zhi)(zhi)(zhi)外(wai)泄”。 浙江噴(pen)漿池攪(jiao)拌(ban)器市場價