攪(jiao)拌(ban)(ban)(ban)(ban)(ban)速(su)(su)(su)度(du)(du)是如(ru)(ru)何影(ying)響溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)中(zhong)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)溶(rong)(rong)(rong)(rong)解(jie)(jie)(jie)度(du)(du)的(de)(de)(de)(de)(de)？攪(jiao)拌(ban)(ban)(ban)(ban)(ban)速(su)(su)(su)度(du)(du)主要通過(guo)(guo)影(ying)響氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)在(zai)(zai)(zai)溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)中(zhong)的(de)(de)(de)(de)(de)傳質(zhi)過(guo)(guo)程(cheng)(cheng)、溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)表(biao)面更(geng)新速(su)(su)(su)率以及(ji)體(ti)(ti)(ti)系(xi)的(de)(de)(de)(de)(de)溫度(du)(du)來影(ying)響氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)溶(rong)(rong)(rong)(rong)解(jie)(jie)(jie)度(du)(du)，具(ju)體(ti)(ti)(ti)如(ru)(ru)下(xia)：傳質(zhi)過(guo)(guo)程(cheng)(cheng)：氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)在(zai)(zai)(zai)溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)中(zhong)的(de)(de)(de)(de)(de)溶(rong)(rong)(rong)(rong)解(jie)(jie)(jie)是一(yi)(yi)個傳質(zhi)過(guo)(guo)程(cheng)(cheng)，攪(jiao)拌(ban)(ban)(ban)(ban)(ban)能加(jia)(jia)快這個過(guo)(guo)程(cheng)(cheng)。適當(dang)增加(jia)(jia)攪(jiao)拌(ban)(ban)(ban)(ban)(ban)速(su)(su)(su)度(du)(du)，會(hui)使溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)中(zhong)的(de)(de)(de)(de)(de)流體(ti)(ti)(ti)流動加(jia)(jia)劇，減少氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)分(fen)子在(zai)(zai)(zai)氣(qi)(qi)(qi)(qi)液(ye)(ye)(ye)(ye)(ye)界(jie)面處(chu)的(de)(de)(de)(de)(de)邊界(jie)層厚度(du)(du)，降低(di)(di)(di)傳質(zhi)阻力，從而使氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)更(geng)容易從氣(qi)(qi)(qi)(qi)相擴散(san)進入(ru)液(ye)(ye)(ye)(ye)(ye)相，提高(gao)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)溶(rong)(rong)(rong)(rong)解(jie)(jie)(jie)速(su)(su)(su)率。但當(dang)攪(jiao)拌(ban)(ban)(ban)(ban)(ban)速(su)(su)(su)度(du)(du)過(guo)(guo)高(gao)時，可能會(hui)導致氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)在(zai)(zai)(zai)溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)中(zhong)形成(cheng)大量(liang)微小氣(qi)(qi)(qi)(qi)泡并快速(su)(su)(su)上(shang)升(sheng)，使氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)在(zai)(zai)(zai)溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)中(zhong)的(de)(de)(de)(de)(de)停留(liu)時間(jian)縮(suo)短，不利于氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)充(chong)分(fen)溶(rong)(rong)(rong)(rong)解(jie)(jie)(jie)，反而降低(di)(di)(di)了(le)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)溶(rong)(rong)(rong)(rong)解(jie)(jie)(jie)度(du)(du)。溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)表(biao)面更(geng)新速(su)(su)(su)率：攪(jiao)拌(ban)(ban)(ban)(ban)(ban)會(hui)使溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)表(biao)面不斷更(geng)新，增加(jia)(jia)氣(qi)(qi)(qi)(qi)液(ye)(ye)(ye)(ye)(ye)接觸面積和接觸時間(jian)。較(jiao)快的(de)(de)(de)(de)(de)攪(jiao)拌(ban)(ban)(ban)(ban)(ban)速(su)(su)(su)度(du)(du)能讓溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)表(biao)面的(de)(de)(de)(de)(de)液(ye)(ye)(ye)(ye)(ye)體(ti)(ti)(ti)不斷被(bei)新的(de)(de)(de)(de)(de)液(ye)(ye)(ye)(ye)(ye)體(ti)(ti)(ti)替換，使氣(qi)(qi)(qi)(qi)液(ye)(ye)(ye)(ye)(ye)界(jie)面處(chu)的(de)(de)(de)(de)(de)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)分(fen)壓(ya)始終保持(chi)較(jiao)低(di)(di)(di)，有利于氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)溶(rong)(rong)(rong)(rong)解(jie)(jie)(jie)。根據(ju)亨(heng)利定律，在(zai)(zai)(zai)一(yi)(yi)定溫度(du)(du)下(xia)，氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)在(zai)(zai)(zai)液(ye)(ye)(ye)(ye)(ye)體(ti)(ti)(ti)中(zhong)的(de)(de)(de)(de)(de)溶(rong)(rong)(rong)(rong)解(jie)(jie)(jie)度(du)(du)與該氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)在(zai)(zai)(zai)氣(qi)(qi)(qi)(qi)相中(zhong)的(de)(de)(de)(de)(de)分(fen)壓(ya)成(cheng)正比，溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)表(biao)面氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)分(fen)壓(ya)的(de)(de)(de)(de)(de)降低(di)(di)(di)會(hui)促使更(geng)多(duo)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)溶(rong)(rong)(rong)(rong)解(jie)(jie)(jie)到(dao)溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)中(zhong)，以維持(chi)氣(qi)(qi)(qi)(qi)液(ye)(ye)(ye)(ye)(ye)平衡。體(ti)(ti)(ti)系(xi)溫度(du)(du)：攪(jiao)拌(ban)(ban)(ban)(ban)(ban)過(guo)(guo)程(cheng)(cheng)中(zhong)由于液(ye)(ye)(ye)(ye)(ye)體(ti)(ti)(ti)分(fen)子間(jian)的(de)(de)(de)(de)(de)摩擦(ca)以及(ji)攪(jiao)拌(ban)(ban)(ban)(ban)(ban)設(she)備與液(ye)(ye)(ye)(ye)(ye)體(ti)(ti)(ti)的(de)(de)(de)(de)(de)摩擦(ca)會(hui)產生熱(re)量(liang)，使溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)溫度(du)(du)升(sheng)高(gao)。一(yi)(yi)般(ban)來說，溫度(du)(du)升(sheng)高(gao)會(hui)降低(di)(di)(di)氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)在(zai)(zai)(zai)溶(rong)(rong)(rong)(rong)液(ye)(ye)(ye)(ye)(ye)中(zhong)的(de)(de)(de)(de)(de)溶(rong)(rong)(rong)(rong)解(jie)(jie)(jie)度(du)(du)，這是因為氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)溶(rong)(rong)(rong)(rong)解(jie)(jie)(jie)過(guo)(guo)程(cheng)(cheng)通常是放(fang)熱(re)的(de)(de)(de)(de)(de)。惰性氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)環境下(xia)，攪(jiao)拌(ban)(ban)(ban)(ban)(ban)器的(de)(de)(de)(de)(de)表(biao)面處(chu)理需要采用哪些特殊工藝？浙(zhe)江苯酐預處(chu)理釜(fu)攪(jiao)拌(ban)(ban)(ban)(ban)(ban)器廠(chang)家電話(hua)

為避(bi)免在(zai)(zai)使(shi)用攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)器攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)阿斯(si)(si)巴(ba)甜(tian)(tian)(tian)時(shi)發(fa)生降解反應(ying)(ying)，可(ke)(ke)從控(kong)(kong)(kong)制攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)參數、留意(yi)環(huan)境(jing)條件、選擇(ze)(ze)合適(shi)(shi)設備與操作方法(fa)等方面入手，具(ju)體(ti)(ti)(ti)措施如下：控(kong)(kong)(kong)制攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)參數選擇(ze)(ze)合適(shi)(shi)轉(zhuan)速(su)：根據具(ju)體(ti)(ti)(ti)的(de)(de)(de)(de)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)體(ti)(ti)(ti)系和(he)阿斯(si)(si)巴(ba)甜(tian)(tian)(tian)的(de)(de)(de)(de)用量(liang)，通過(guo)(guo)實(shi)驗(yan)(yan)確定(ding)(ding)合適(shi)(shi)的(de)(de)(de)(de)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)轉(zhuan)速(su)。一般來說，在(zai)(zai)能夠保證阿斯(si)(si)巴(ba)甜(tian)(tian)(tian)均(jun)勻溶解和(he)分(fen)散的(de)(de)(de)(de)前提下，盡(jin)量(liang)選擇(ze)(ze)較(jiao)低的(de)(de)(de)(de)轉(zhuan)速(su)。例如在(zai)(zai)實(shi)驗(yan)(yan)室小(xiao)規模攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)中(zhong)(zhong)(zhong)，轉(zhuan)速(su)可(ke)(ke)控(kong)(kong)(kong)制在(zai)(zai)100-300轉(zhuan)/分(fen)鐘；在(zai)(zai)工(gong)(gong)業生產中(zhong)(zhong)(zhong)，需根據反應(ying)(ying)釜的(de)(de)(de)(de)大小(xiao)和(he)具(ju)體(ti)(ti)(ti)工(gong)(gong)藝要求(qiu)，將(jiang)轉(zhuan)速(su)控(kong)(kong)(kong)制在(zai)(zai)合理范(fan)圍內，通常為50-200轉(zhuan)/分(fen)鐘。控(kong)(kong)(kong)制攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)時(shi)間(jian)：攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)時(shi)間(jian)不宜過(guo)(guo)長，達到使(shi)阿斯(si)(si)巴(ba)甜(tian)(tian)(tian)充分(fen)溶解和(he)混合的(de)(de)(de)(de)目的(de)(de)(de)(de)即可(ke)(ke)。比如在(zai)(zai)飲料調(diao)配中(zhong)(zhong)(zhong)，攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)時(shi)間(jian)一般控(kong)(kong)(kong)制在(zai)(zai)5-15分(fen)鐘，具(ju)體(ti)(ti)(ti)可(ke)(ke)通過(guo)(guo)觀(guan)察溶液的(de)(de)(de)(de)均(jun)勻程度(du)來確定(ding)(ding)，避(bi)免因過(guo)(guo)度(du)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)產生過(guo)(guo)多熱量(liang)導致(zhi)阿斯(si)(si)巴(ba)甜(tian)(tian)(tian)降解。控(kong)(kong)(kong)制環(huan)境(jing)條件控(kong)(kong)(kong)制溫度(du)：確保攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)過(guo)(guo)程中(zhong)(zhong)(zhong)的(de)(de)(de)(de)溫度(du)處于阿斯(si)(si)巴(ba)甜(tian)(tian)(tian)的(de)(de)(de)(de)穩定(ding)(ding)范(fan)圍內。阿斯(si)(si)巴(ba)甜(tian)(tian)(tian)在(zai)(zai)溫度(du)約(yue)為25℃、pH值(zhi)為4-6的(de)(de)(de)(de)環(huan)境(jing)中(zhong)(zhong)(zhong)比較(jiao)穩定(ding)(ding)。如果攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)過(guo)(guo)程中(zhong)(zhong)(zhong)溫度(du)有(you)上升趨勢，可(ke)(ke)采用夾套冷卻、循(xun)環(huan)冷卻等方式對(dui)(dui)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)容器進行降溫，使(shi)溫度(du)保持在(zai)(zai)合適(shi)(shi)區間(jian)。調(diao)節(jie)pH值(zhi)：將(jiang)溶液的(de)(de)(de)(de)pH值(zhi)調(diao)節(jie)并維(wei)持在(zai)(zai)阿斯(si)(si)巴(ba)甜(tian)(tian)(tian)穩定(ding)(ding)的(de)(de)(de)(de)范(fan)圍內。可(ke)(ke)使(shi)用pH調(diao)節(jie)劑，如檸檬(meng)酸、磷酸等酸性(xing)(xing)物質或氫氧化鈉等堿性(xing)(xing)物質來調(diao)節(jie)pH值(zhi)。河北化工(gong)(gong)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)器化工(gong)(gong)生產中(zhong)(zhong)(zhong)投料方式對(dui)(dui)攪(jiao)(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)設計(ji)有(you)哪些影響?

攪(jiao)(jiao)拌(ban)器的(de)攪(jiao)(jiao)拌(ban)速(su)(su)(su)度(du)(du)(du)(du)對不(bu)(bu)飽(bao)和(he)樹(shu)脂(zhi)(zhi)的(de)生(sheng)(sheng)產效率(lv)有(you)以下幾方(fang)面(mian)影(ying)響：加速(su)(su)(su)傳質過(guo)(guo)程(cheng)：提高(gao)(gao)(gao)攪(jiao)(jiao)拌(ban)速(su)(su)(su)度(du)(du)(du)(du)能加快物料(liao)體系(xi)中(zhong)的(de)傳質過(guo)(guo)程(cheng)，使(shi)反(fan)應(ying)(ying)(ying)物之間充(chong)分(fen)接觸，加速(su)(su)(su)離子擴散。例如(ru)在不(bu)(bu)飽(bao)和(he)樹(shu)脂(zhi)(zhi)生(sheng)(sheng)產中(zhong)，能讓(rang)引發劑(ji)、促(cu)進(jin)(jin)劑(ji)等添加劑(ji)更(geng)均(jun)勻(yun)地分(fen)散在樹(shu)脂(zhi)(zhi)體系(xi)中(zhong)，與樹(shu)脂(zhi)(zhi)分(fen)子充(chong)分(fen)接觸并發生(sheng)(sheng)反(fan)應(ying)(ying)(ying)，從而(er)提高(gao)(gao)(gao)反(fan)應(ying)(ying)(ying)速(su)(su)(su)率(lv)，縮短生(sheng)(sheng)產周期。促(cu)進(jin)(jin)傳熱均(jun)勻(yun)：攪(jiao)(jiao)拌(ban)速(su)(su)(su)度(du)(du)(du)(du)增加有(you)助于反(fan)應(ying)(ying)(ying)體系(xi)內熱量(liang)均(jun)勻(yun)分(fen)布。不(bu)(bu)飽(bao)和(he)樹(shu)脂(zhi)(zhi)生(sheng)(sheng)產過(guo)(guo)程(cheng)中(zhong)往(wang)(wang)往(wang)(wang)伴(ban)隨著熱量(liang)變(bian)化，適(shi)當的(de)攪(jiao)(jiao)拌(ban)速(su)(su)(su)度(du)(du)(du)(du)可(ke)及時移除反(fan)應(ying)(ying)(ying)產生(sheng)(sheng)的(de)熱量(liang)或(huo)(huo)為反(fan)應(ying)(ying)(ying)提供所需熱量(liang)，維持反(fan)應(ying)(ying)(ying)溫度(du)(du)(du)(du)穩定。溫度(du)(du)(du)(du)的(de)穩定有(you)利(li)于保證反(fan)應(ying)(ying)(ying)按預定方(fang)向進(jin)(jin)行，避免因溫度(du)(du)(du)(du)過(guo)(guo)高(gao)(gao)(gao)或(huo)(huo)過(guo)(guo)低(di)(di)導(dao)致副反(fan)應(ying)(ying)(ying)增加，從而(er)提高(gao)(gao)(gao)生(sheng)(sheng)產效率(lv)和(he)產品質量(liang)。優化混(hun)合(he)效果：攪(jiao)(jiao)拌(ban)速(su)(su)(su)度(du)(du)(du)(du)會影(ying)響物料(liao)的(de)混(hun)合(he)程(cheng)度(du)(du)(du)(du)。速(su)(su)(su)度(du)(du)(du)(du)過(guo)(guo)低(di)(di)，物料(liao)混(hun)合(he)不(bu)(bu)均(jun)勻(yun)，會出(chu)現局部反(fan)應(ying)(ying)(ying)過(guo)(guo)度(du)(du)(du)(du)或(huo)(huo)不(bu)(bu)足的(de)情況，影(ying)響產品質量(liang)和(he)生(sheng)(sheng)產效率(lv)；適(shi)當提高(gao)(gao)(gao)攪(jiao)(jiao)拌(ban)速(su)(su)(su)度(du)(du)(du)(du)，可(ke)使(shi)物料(liao)混(hun)合(he)得更(geng)加均(jun)勻(yun)，避免出(chu)現分(fen)層或(huo)(huo)局部濃(nong)度(du)(du)(du)(du)過(guo)(guo)高(gao)(gao)(gao)的(de)現象，使(shi)反(fan)應(ying)(ying)(ying)更(geng)充(chong)分(fen)、更(geng)均(jun)勻(yun)地進(jin)(jin)行，提高(gao)(gao)(gao)生(sheng)(sheng)產效率(lv)。但攪(jiao)(jiao)拌(ban)速(su)(su)(su)度(du)(du)(du)(du)過(guo)(guo)高(gao)(gao)(gao)也可(ke)能會帶來(lai)一些負面(mian)問題，如(ru)打入空氣，進(jin)(jin)而(er)影(ying)響樹(shu)脂(zhi)(zhi)顏(yan)色及其他指標，**終影(ying)響樹(shu)脂(zhi)(zhi)品質，反(fan)而(er)降低(di)(di)生(sheng)(sheng)產效率(lv)。對于高(gao)(gao)(gao)粘度(du)(du)(du)(du)的(de)不(bu)(bu)飽(bao)和(he)樹(shu)脂(zhi)(zhi)，過(guo)(guo)高(gao)(gao)(gao)的(de)攪(jiao)(jiao)拌(ban)速(su)(su)(su)度(du)(du)(du)(du)還可(ke)能導(dao)致分(fen)子鏈斷裂等問題。

高轉(zhuan)(zhuan)速攪(jiao)(jiao)拌(ban)可(ke)能會(hui)(hui)對油(you)(you)(you)(you)漆(qi)(qi)質量產生以下負面(mian)(mian)影響(xiang)：引入過(guo)(guo)多空(kong)氣(qi)：高轉(zhuan)(zhuan)速攪(jiao)(jiao)拌(ban)時(shi)，油(you)(you)(you)(you)漆(qi)(qi)會(hui)(hui)與(yu)空(kong)氣(qi)充(chong)分(fen)(fen)接觸，大(da)(da)(da)量空(kong)氣(qi)被(bei)卷(juan)入油(you)(you)(you)(you)漆(qi)(qi)中，形成微小氣(qi)泡。這(zhe)些(xie)氣(qi)泡如(ru)果在(zai)油(you)(you)(you)(you)漆(qi)(qi)干燥(zao)(zao)前未及時(shi)排(pai)出(chu)，會(hui)(hui)導致涂(tu)(tu)層(ceng)表面(mian)(mian)出(chu)現***、麻點等(deng)(deng)(deng)缺(que)陷，影響(xiang)涂(tu)(tu)層(ceng)的(de)(de)(de)(de)平整度(du)(du)(du)(du)和美觀(guan)度(du)(du)(du)(du)。同(tong)時(shi)，氣(qi)泡的(de)(de)(de)(de)存(cun)在(zai)還會(hui)(hui)降(jiang)低油(you)(you)(you)(you)漆(qi)(qi)的(de)(de)(de)(de)致密性，使(shi)其防護(hu)性能下降(jiang)，如(ru)耐水(shui)性、耐腐(fu)蝕性等(deng)(deng)(deng)會(hui)(hui)受到影響(xiang)。顏(yan)(yan)(yan)(yan)料(liao)顆粒(li)過(guo)(guo)度(du)(du)(du)(du)破(po)碎：高轉(zhuan)(zhuan)速攪(jiao)(jiao)拌(ban)產生的(de)(de)(de)(de)強大(da)(da)(da)剪(jian)(jian)切(qie)(qie)力(li)可(ke)能會(hui)(hui)使(shi)顏(yan)(yan)(yan)(yan)料(liao)顆粒(li)過(guo)(guo)度(du)(du)(du)(du)破(po)碎。一(yi)方面(mian)(mian)，過(guo)(guo)度(du)(du)(du)(du)破(po)碎的(de)(de)(de)(de)顏(yan)(yan)(yan)(yan)料(liao)顆粒(li)比表面(mian)(mian)積(ji)增(zeng)大(da)(da)(da)，表面(mian)(mian)能增(zeng)加(jia)，容(rong)易重新團聚，導致顏(yan)(yan)(yan)(yan)料(liao)分(fen)(fen)散不均(jun)勻，影響(xiang)油(you)(you)(you)(you)漆(qi)(qi)的(de)(de)(de)(de)顏(yan)(yan)(yan)(yan)色均(jun)勻性和穩定性。另一(yi)方面(mian)(mian)，顏(yan)(yan)(yan)(yan)料(liao)顆粒(li)的(de)(de)(de)(de)晶體結構(gou)可(ke)能被(bei)破(po)壞，從而(er)改(gai)變(bian)顏(yan)(yan)(yan)(yan)料(liao)的(de)(de)(de)(de)光(guang)學性能，如(ru)顏(yan)(yan)(yan)(yan)色飽和度(du)(du)(du)(du)、光(guang)澤(ze)度(du)(du)(du)(du)等(deng)(deng)(deng)，使(shi)油(you)(you)(you)(you)漆(qi)(qi)的(de)(de)(de)(de)外觀(guan)質量下降(jiang)。樹(shu)脂分(fen)(fen)子(zi)鏈斷(duan)裂(lie)：對于一(yi)些(xie)高分(fen)(fen)子(zi)樹(shu)脂基的(de)(de)(de)(de)油(you)(you)(you)(you)漆(qi)(qi)，高轉(zhuan)(zhuan)速攪(jiao)(jiao)拌(ban)產生的(de)(de)(de)(de)高剪(jian)(jian)切(qie)(qie)力(li)可(ke)能會(hui)(hui)使(shi)樹(shu)脂分(fen)(fen)子(zi)鏈斷(duan)裂(lie)。這(zhe)會(hui)(hui)導致樹(shu)脂的(de)(de)(de)(de)分(fen)(fen)子(zi)量降(jiang)低，分(fen)(fen)子(zi)量分(fen)(fen)布變(bian)寬，進而(er)影響(xiang)油(you)(you)(you)(you)漆(qi)(qi)的(de)(de)(de)(de)性能。例如(ru)，樹(shu)脂分(fen)(fen)子(zi)鏈斷(duan)裂(lie)可(ke)能使(shi)油(you)(you)(you)(you)漆(qi)(qi)的(de)(de)(de)(de)干燥(zao)(zao)速度(du)(du)(du)(du)變(bian)慢，干燥(zao)(zao)后的(de)(de)(de)(de)涂(tu)(tu)層(ceng)硬度(du)(du)(du)(du)、柔(rou)韌性、附著(zhu)力(li)等(deng)(deng)(deng)性能下降(jiang)，降(jiang)低油(you)(you)(you)(you)漆(qi)(qi)對物體表面(mian)(mian)的(de)(de)(de)(de)保護(hu)效果和使(shi)用壽命(ming)。溶劑揮發(fa)過(guo)(guo)快：高轉(zhuan)(zhuan)速攪(jiao)(jiao)拌(ban)會(hui)(hui)使(shi)油(you)(you)(you)(you)漆(qi)(qi)溫度(du)(du)(du)(du)升高，同(tong)時(shi)攪(jiao)(jiao)拌(ban)過(guo)(guo)程中油(you)(you)(you)(you)漆(qi)(qi)與(yu)空(kong)氣(qi)的(de)(de)(de)(de)接觸面(mian)(mian)積(ji)增(zeng)大(da)(da)(da)，這(zhe)會(hui)(hui)加(jia)速溶劑的(de)(de)(de)(de)揮發(fa)。粘(zhan)稠物料(liao)攪(jiao)(jiao)拌(ban)后，可(ke)通過(guo)(guo)哪些(xie)物理(li)指標評估其攪(jiao)(jiao)拌(ban)效果？

在(zai)(zai)(zai)增(zeng)(zeng)塑(su)(su)劑生(sheng)產(chan)中(zhong)(zhong)，攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)速(su)(su)(su)度(du)(du)(du)(du)(du)(du)和(he)(he)時(shi)(shi)(shi)間存在(zai)(zai)(zai)著(zhu)相互關聯、相互影響的(de)(de)(de)關系，具體如下：攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)速(su)(su)(su)度(du)(du)(du)(du)(du)(du)影響攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)時(shi)(shi)(shi)間：高(gao)(gao)速(su)(su)(su)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)：能(neng)使物(wu)料(liao)(liao)(liao)(liao)快速(su)(su)(su)混(hun)合和(he)(he)分(fen)散，加(jia)快反(fan)(fan)應(ying)速(su)(su)(su)率(lv)，縮短達到(dao)預期反(fan)(fan)應(ying)程度(du)(du)(du)(du)(du)(du)和(he)(he)混(hun)合均(jun)勻(yun)度(du)(du)(du)(du)(du)(du)所需(xu)的(de)(de)(de)時(shi)(shi)(shi)間。例如在(zai)(zai)(zai)一些需(xu)要(yao)(yao)(yao)快速(su)(su)(su)溶解或乳化(hua)(hua)的(de)(de)(de)增(zeng)(zeng)塑(su)(su)劑生(sheng)產(chan)步驟中(zhong)(zhong)，高(gao)(gao)速(su)(su)(su)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)可以在(zai)(zai)(zai)較(jiao)短時(shi)(shi)(shi)間內使增(zeng)(zeng)塑(su)(su)劑原料(liao)(liao)(liao)(liao)與(yu)其他添加(jia)劑充分(fen)混(hun)合均(jun)勻(yun)。但如果(guo)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)速(su)(su)(su)度(du)(du)(du)(du)(du)(du)過(guo)高(gao)(gao)，可能(neng)會(hui)導致(zhi)物(wu)料(liao)(liao)(liao)(liao)過(guo)度(du)(du)(du)(du)(du)(du)剪切、產(chan)生(sheng)過(guo)多熱(re)量(liang)或引(yin)入過(guo)多氣泡等(deng)問題(ti)，反(fan)(fan)而可能(neng)需(xu)要(yao)(yao)(yao)額外的(de)(de)(de)時(shi)(shi)(shi)間來(lai)解決這些問題(ti)，如進行(xing)脫氣處理等(deng)。低(di)速(su)(su)(su)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)：物(wu)料(liao)(liao)(liao)(liao)混(hun)合和(he)(he)反(fan)(fan)應(ying)速(su)(su)(su)度(du)(du)(du)(du)(du)(du)較(jiao)慢，需(xu)要(yao)(yao)(yao)較(jiao)長(chang)的(de)(de)(de)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)時(shi)(shi)(shi)間才能(neng)達到(dao)與(yu)高(gao)(gao)速(su)(su)(su)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)相同的(de)(de)(de)混(hun)合效(xiao)果(guo)和(he)(he)反(fan)(fan)應(ying)程度(du)(du)(du)(du)(du)(du)。比如在(zai)(zai)(zai)某(mou)些對剪切力(li)要(yao)(yao)(yao)求不高(gao)(gao)、需(xu)要(yao)(yao)(yao)溫(wen)和(he)(he)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)的(de)(de)(de)增(zeng)(zeng)塑(su)(su)劑生(sheng)產(chan)過(guo)程中(zhong)(zhong)，低(di)速(su)(su)(su)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)雖然(ran)可以避免對物(wu)料(liao)(liao)(liao)(liao)結構的(de)(de)(de)破(po)壞，但由于傳質(zhi)傳熱(re)效(xiao)率(lv)相對較(jiao)低(di)，就需(xu)要(yao)(yao)(yao)延(yan)長(chang)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)時(shi)(shi)(shi)間來(lai)保證反(fan)(fan)應(ying)充分(fen)進行(xing)。不過(guo)，攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)速(su)(su)(su)度(du)(du)(du)(du)(du)(du)過(guo)低(di)，可能(neng)使物(wu)料(liao)(liao)(liao)(liao)無法充分(fen)混(hun)合，導致(zhi)局部(bu)反(fan)(fan)應(ying)不足，即使延(yan)長(chang)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)時(shi)(shi)(shi)間也難以達到(dao)理想的(de)(de)(de)產(chan)品質(zhi)量(liang)。攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)時(shi)(shi)(shi)間制約攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)速(su)(su)(su)度(du)(du)(du)(du)(du)(du)的(de)(de)(de)選(xuan)擇(ze)：時(shi)(shi)(shi)間有(you)限時(shi)(shi)(shi)：若生(sheng)產(chan)工藝要(yao)(yao)(yao)求在(zai)(zai)(zai)較(jiao)短時(shi)(shi)(shi)間內完成增(zeng)(zeng)塑(su)(su)劑生(sheng)產(chan)，就需(xu)要(yao)(yao)(yao)選(xuan)擇(ze)較(jiao)高(gao)(gao)的(de)(de)(de)攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)速(su)(su)(su)度(du)(du)(du)(du)(du)(du)來(lai)加(jia)快物(wu)料(liao)(liao)(liao)(liao)混(hun)合和(he)(he)反(fan)(fan)應(ying)速(su)(su)(su)度(du)(du)(du)(du)(du)(du)，以在(zai)(zai)(zai)規定時(shi)(shi)(shi)間內達到(dao)預期的(de)(de)(de)產(chan)品質(zhi)量(liang)指標。例如在(zai)(zai)(zai)連續(xu)化(hua)(hua)生(sheng)產(chan)的(de)(de)(de)增(zeng)(zeng)塑(su)(su)劑生(sheng)產(chan)線中(zhong)(zhong)。準確計(ji)算攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)器的(de)(de)(de)功(gong)率(lv)輸出(chu)，在(zai)(zai)(zai)保證攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)效(xiao)果(guo)的(de)(de)(de)同時(shi)(shi)(shi)可減少能(neng)耗和(he)(he)磨損。江(jiang)蘇生(sheng)化(hua)(hua)池攪(jiao)(jiao)(jiao)拌(ban)(ban)(ban)(ban)器電話

如何通(tong)過攪拌參數優化(hua)減少化(hua)工結(jie)晶過程(cheng)中的晶型偏差(cha)？轉速梯度控(kong)制(zhi)是(shi)有效手段。浙江苯酐預處理釜攪拌器廠家電話

攪(jiao)拌(ban)器在(zai)糖(tang)(tang)(tang)漿脫色(se)(se)(se)(se)過(guo)程中(zhong)，速(su)度(du)調(diao)整(zheng)(zheng)(zheng)的頻(pin)率一(yi)(yi)(yi)(yi)(yi)般(ban)是多少？依據工藝階段(duan)(duan)初(chu)始混合(he)(he)階段(duan)(duan)：在(zai)脫色(se)(se)(se)(se)開(kai)始的5-10分(fen)(fen)鐘(zhong)內(nei)(nei)(nei)，可(ke)(ke)(ke)能需(xu)要每隔(ge)1-2分(fen)(fen)鐘(zhong)就(jiu)(jiu)觀(guan)察(cha)一(yi)(yi)(yi)(yi)(yi)下(xia)混合(he)(he)情(qing)況，并(bing)適(shi)(shi)當(dang)調(diao)整(zheng)(zheng)(zheng)攪(jiao)拌(ban)速(su)度(du)，使(shi)脫色(se)(se)(se)(se)劑(ji)(ji)與糖(tang)(tang)(tang)漿快(kuai)速(su)均勻混合(he)(he)。當(dang)觀(guan)察(cha)到(dao)(dao)脫色(se)(se)(se)(se)劑(ji)(ji)基(ji)本(ben)均勻分(fen)(fen)散在(zai)糖(tang)(tang)(tang)漿中(zhong)后，可(ke)(ke)(ke)降低(di)調(diao)整(zheng)(zheng)(zheng)頻(pin)率。反(fan)(fan)應進行階段(duan)(duan)：此后的20-30分(fen)(fen)鐘(zhong)內(nei)(nei)(nei)，一(yi)(yi)(yi)(yi)(yi)般(ban)每5-10分(fen)(fen)鐘(zhong)根據反(fan)(fan)應情(qing)況調(diao)整(zheng)(zheng)(zheng)一(yi)(yi)(yi)(yi)(yi)次(ci)即(ji)可(ke)(ke)(ke)。例(li)如(ru)使(shi)用活性炭脫色(se)(se)(se)(se)時，若發現顏(yan)色(se)(se)(se)(se)變化不明顯，可(ke)(ke)(ke)適(shi)(shi)當(dang)提高(gao)攪(jiao)拌(ban)速(su)度(du)；若顏(yan)色(se)(se)(se)(se)變化過(guo)快(kuai)，有過(guo)度(du)脫色(se)(se)(se)(se)趨(qu)勢，可(ke)(ke)(ke)降低(di)攪(jiao)拌(ban)速(su)度(du)。接近反(fan)(fan)應平衡時，調(diao)整(zheng)(zheng)(zheng)頻(pin)率可(ke)(ke)(ke)進一(yi)(yi)(yi)(yi)(yi)步降低(di)，每10-15分(fen)(fen)鐘(zhong)檢(jian)查調(diao)整(zheng)(zheng)(zheng)一(yi)(yi)(yi)(yi)(yi)次(ci)。收尾階段(duan)(duan)：在(zai)脫色(se)(se)(se)(se)即(ji)將完(wan)成的**后5-10分(fen)(fen)鐘(zhong)，通常只需(xu)要檢(jian)查一(yi)(yi)(yi)(yi)(yi)次(ci)攪(jiao)拌(ban)速(su)度(du)，確保維持基(ji)本(ben)的混合(he)(he)狀態，防止沉淀即(ji)可(ke)(ke)(ke)。依據物(wu)料特性糖(tang)(tang)(tang)漿黏度(du)：如(ru)果糖(tang)(tang)(tang)漿黏度(du)較(jiao)高(gao)，在(zai)加入脫色(se)(se)(se)(se)劑(ji)(ji)后，**初(chu)的10-15分(fen)(fen)鐘(zhong)內(nei)(nei)(nei)，可(ke)(ke)(ke)能需(xu)要每隔(ge)2-3分(fen)(fen)鐘(zhong)就(jiu)(jiu)調(diao)整(zheng)(zheng)(zheng)一(yi)(yi)(yi)(yi)(yi)次(ci)攪(jiao)拌(ban)速(su)度(du)，以找到(dao)(dao)合(he)(he)適(shi)(shi)的攪(jiao)拌(ban)力度(du)使(shi)脫色(se)(se)(se)(se)劑(ji)(ji)分(fen)(fen)散。隨(sui)著攪(jiao)拌(ban)的進行，可(ke)(ke)(ke)逐(zhu)漸(jian)延長調(diao)整(zheng)(zheng)(zheng)間隔(ge)，到(dao)(dao)后續(xu)(xu)每5-8分(fen)(fen)鐘(zhong)調(diao)整(zheng)(zheng)(zheng)一(yi)(yi)(yi)(yi)(yi)次(ci)。若糖(tang)(tang)(tang)漿黏度(du)較(jiao)低(di)，調(diao)整(zheng)(zheng)(zheng)頻(pin)率相對較(jiao)低(di)，開(kai)始時可(ke)(ke)(ke)能每3-5分(fen)(fen)鐘(zhong)觀(guan)察(cha)調(diao)整(zheng)(zheng)(zheng)一(yi)(yi)(yi)(yi)(yi)次(ci)，后續(xu)(xu)每8-10分(fen)(fen)鐘(zhong)調(diao)整(zheng)(zheng)(zheng)一(yi)(yi)(yi)(yi)(yi)次(ci)。糖(tang)(tang)(tang)漿濃度(du)：濃度(du)高(gao)的糖(tang)(tang)(tang)漿在(zai)脫色(se)(se)(se)(se)時，開(kai)始階段(duan)(duan)可(ke)(ke)(ke)能每2-4分(fen)(fen)鐘(zhong)就(jiu)(jiu)要調(diao)整(zheng)(zheng)(zheng)速(su)度(du)，使(shi)脫色(se)(se)(se)(se)劑(ji)(ji)充分(fen)(fen)滲透。浙江苯酐預處理釜攪(jiao)拌(ban)器廠家電話(hua)