附錄1攪拌設(shè)備在工業(yè)生產(chǎn)中應(yīng)用范圍很廣，尤其是化學(xué)工業(yè)中，很多的生產(chǎn)都或多或少地應(yīng)用著攪拌操作化學(xué)工藝過程的種種化學(xué)變化，是以參加反應(yīng)物質(zhì)的充分混合為前提的對于加熱、冷卻和液體萃取以氣體吸收等物理變化過程，也往往要采用攪拌操作才能得到很好的效果攪拌設(shè)備在許多場合是作為反應(yīng)器來應(yīng)用的例如在三大合成材料的生產(chǎn)中，攪拌設(shè)備作為反應(yīng)器約占反應(yīng)器總數(shù)的90%其他如染料、醫(yī)藥、農(nóng)藥、油漆等行業(yè)，攪拌設(shè)備的使用亦很廣泛有色冶金部門對全國有色冶金行業(yè)中的攪拌設(shè)備做了調(diào)查及功率測定，結(jié)果是許多濕法車間的動力消耗50%以上是用在攪拌作業(yè)上攪拌設(shè)備的應(yīng)用范圍之所以這樣廣泛，還因攪拌設(shè)備操作條件（如溫度、濃度、停留時間等）的可控范圍較廣能適應(yīng)多樣化的生產(chǎn)攪拌設(shè)備的作用如下：1）使物料混合均勻；2）使氣體在液相中很好地分散；3）使固體粒子（如催化劑）在液相中均勻地懸??；4）使不相溶的另一液相均勻懸浮后充分乳化；5）強(qiáng)化相同的傳質(zhì)（如吸收等）；6）強(qiáng)化傳熱對于均相反應(yīng)，主要是1）、6）兩點(diǎn)混合的快慢、均勻程度和傳熱情況好壞，都會影響反應(yīng)結(jié)果至于非均相系統(tǒng)，則還影響到相界面的大小和相間的傳質(zhì)速度，情況就更復(fù)雜所以攪拌情況的改變，常常很敏感地影響到產(chǎn)品的質(zhì)量和產(chǎn)量，生產(chǎn)中的這種例子非常普遍。

在溶液聚合和本體聚合的液相反應(yīng)裝置中，攪拌的主要作用是：促進(jìn)釜內(nèi)物料流動使反應(yīng)器內(nèi)物料均勻分布，增大傳質(zhì)和傳熱系數(shù)在聚合反應(yīng)過程中，往往隨著轉(zhuǎn)化率的增加，聚合液的黏度也增加如果攪拌情況不好，就會造成傳熱系數(shù)下降或局部過熱，物料和催化劑分散不均勻，影響聚合產(chǎn)品的質(zhì)量，也容易導(dǎo)致聚合物粘壁，使聚合反應(yīng)操作不能很好地進(jìn)行下去在互不相溶的液體之間或液體與固體之間相互作用時，攪拌在加速反應(yīng)的進(jìn)行方面起著非常重要的作用因?yàn)樵黾右晃锵嗷烊肓硪晃锵嗟乃俣?，接觸面就會增大，物質(zhì)就以較大速度相互作用在某些情況下，攪拌是在反應(yīng)過程中創(chuàng)造良好條件的一個重要因素例如，使傳熱作用加強(qiáng)，減少局部過熱，以及加熱過程中物質(zhì)焦化等如高壓聚乙烯生產(chǎn)中，由于攪拌的作用，使物質(zhì)在反應(yīng)器內(nèi)有一定的停留時間，更重要的是使催化劑在器內(nèi)分布均勻，以防止局部猛烈的聚合作用而造成爆炸因此攪拌設(shè)備在工業(yè)生產(chǎn)中起著非常重要的作用攪拌設(shè)備在石油化工生產(chǎn)中被用于物料混合、溶解、傳熱、制備懸浮物、聚合反應(yīng)、制備催化劑等例如石油工業(yè)中，異種原油的混合調(diào)整和精制，汽油中添加四乙基鉛添加物而進(jìn)行混合使原料液或產(chǎn)品均勻化化工生產(chǎn)中，制造苯乙烯，苯胺染料和油漆顏料等工藝過程，都裝備著各種型式的攪拌設(shè)備。

在石油工業(yè)中因?yàn)榇罅繎?yīng)用催化劑、添加劑，所以對攪拌設(shè)備的需要量很大由于物料操作條件的復(fù)雜性、多樣性，對攪拌設(shè)備的要求也復(fù)雜化了如化工行業(yè)用到的硅鋁反應(yīng)器、打漿罐、鋇化反應(yīng)器、硫磷反應(yīng)釜、烴化反應(yīng)釜、白泥攪拌槽等都是裝有各種不同型式攪拌器的攪拌設(shè)備在造紙行業(yè)中，攪拌設(shè)備應(yīng)用及其廣泛，在制漿，堿回收等工藝過程都用到攪拌設(shè)備攪拌設(shè)備使用歷史悠久，應(yīng)用廣泛但對攪拌操作的科學(xué)研究卻很不夠攪拌操作看來似乎簡單，但實(shí)際上，他所涉及的因素卻極為復(fù)雜對于攪拌器型式的選擇從工藝的觀點(diǎn)以及力學(xué)觀點(diǎn)來說，迄今都研究得不夠隨著社會的進(jìn)步，科學(xué)技術(shù)的發(fā)展，對于攪拌設(shè)備的改進(jìn)和新型的設(shè)計(jì)會有很大的提高在近幾年來設(shè)備有大型化的發(fā)展趨勢，也要求攪拌設(shè)備大型化如國外聚合釜的容積已由最初的8~40m3擴(kuò)大到60~100m3,最大的已達(dá)到200m3采用大型聚合釜可大大減少操作和檢修人員，有利于自動化，減少投資，提高生產(chǎn)率，穩(wěn)定產(chǎn)品質(zhì)量隨著容積的大型化，釜型逐漸由細(xì)長型向矮胖型發(fā)展，而且采用底部攪拌的方式越來越多多用三葉后掠式攪拌器，三葉后掠式攪拌器是目前大型聚合釜采用的一種較好攪拌器因排出量大，釜內(nèi)液相循環(huán)充分，每分鐘可達(dá)5~10次，能促釜內(nèi)反應(yīng)均勻一致。

另外，經(jīng)實(shí)踐證明此槳葉必須配合擋板使用，以提高剪切力功能，才能更好地發(fā)揮作用攪拌也可以在管路中進(jìn)行，采用在管路中安裝裝置的辦法對氣—液系和液—液系進(jìn)行混合例如采用噴射泵對水及醋酸丁酯進(jìn)行混合在石油精制中，也采用使液體設(shè)置在管路中的銳孔板或擋板，以便使兩種液體進(jìn)行接觸還有在管路中放入攪拌器的，即所謂管道攪拌管道攪拌設(shè)備能連續(xù)輸送一切流體，也能輸送含有固體的流動化的半流體此種攪拌型式，相當(dāng)于攪拌設(shè)備的筒體部分，容積較小，液體在此停留時間極短的情況比較多在其內(nèi)部為了充分進(jìn)行混合分散或傳熱等需要極強(qiáng)的攪拌，由于管道攪拌設(shè)備空間很小，裝置小，可使攪拌力均勻作用，可減少過剩的攪拌，所以對整個液體減少了功率消耗對于連續(xù)化、自動化特別是對成本有嚴(yán)格要求的，要求特別小的形狀和高性能時，使用管道攪拌設(shè)備是很有效的正因?yàn)楣艿罃嚢柙O(shè)備有這些優(yōu)點(diǎn)，所以在石油精制、石油化工，化學(xué)纖維、食品等工業(yè)和水處理技術(shù)中廣泛被用于液—液混合、濃度調(diào)整、液—液萃取、油脂乳化、液—液稀釋溶解、固—液溶解、液—液和氣—液反應(yīng)等場合 40 -附錄2Mixing equipment in the industrial production of a wide range of applications, especially in the chemical industry, many production are more or less application of mixing operation. A variety of chemical changes in chemical process, is fully mixed in the reaction material premise. For the heating, cooling and liquid extraction with gas absorption physical process,also often used for mixing operation in order to get good results. Mixing equipment is used as reactor application on many occasions. For example,in the three major synthetic materials production, mixing equipment as the reactor accounted for about 90% of the total number of reactor. Other such as dyestuff, medicine, pesticide, paint and other industries, the use of mixing equipment is also very widely. Nonferrous Metallurgy Department of mixing equipment nationwide in non-ferrous metal metallurgy industry to do an investigation and determination of the power, is the result of power consumption of many wet workshop more than 50% is used in mixing operation. The scope of application of mixing equipment is so widely, but also because of the operating conditions (such as temperature,concentration of mixing equipment, the residence time of the controllablerange). To adapt to the diversification of production.The following mixing equipment: 1) the raw materials are mixed evenly; 2)to make the gas well dispersed in the liquid phase; 3) the solid particles(such as catalyst) evenly suspended in liquid phase; 4) the other liquidimmiscible phase homogeneous suspension after fully emulsified; 5)strengthen the same mass transfer (such as absorption); 6) heat transfer enhancement. For the homogeneous reaction, mainly 1, 6) 2). Mixingspeed, uniformity and heat transfer is good or bad, will affect the reaction results. As for the heterogeneous system, it also affects the mass transfer velocity of phase interface and the size of the phase, the situation is more complex. So the mixing conditions change, often very sensitive to affect the product quality and yield, production is very common in this example. Insolution polymerization and bulk polymerization of liquid phase reactiondevice, the main role is: to promote the stirring reactor material flow. The material is uniformly distributed in the reactor, increasing the mass and heat transfer coefficient. In the polymerization process, often with increasing the conversion rate, polymerization liquid viscosity also increased. If the mixing situation is not good, it will cause the drop of the heat transfer coefficient or local overheating, materials and catalysts is unevenly distributed, quality effect of polymerization product, also easily lead to polymer sticking to the wall, so that the polymerization reactionoperation cannot go down well.The interaction between immiscible liquid or liquid and solid, mixing plays a very important role in accele。