樹脂泵 樹脂乳化泵工作原理: 在目前環(huan)(huan)氧樹(shu)脂(zhi)(zhi)水(shui)(shui)(shui)(shui)性(xing)(xing)化(hua)(hua)的(de)幾種方(fang)(fang)法(fa)(fa)中,相反轉法(fa)(fa)以其有(you)效性(xing)(xing)而(er)越來越受重視(shi)。專家認為,相反轉法(fa)(fa)。未來將主導環(huan)(huan)氧樹(shu)脂(zhi)(zhi)水(shui)(shui)(shui)(shui)性(xing)(xing)化(hua)(hua)的(de)進程。水(shui)(shui)(shui)(shui)性(xing)(xing)環(huan)(huan)氧樹(shu)脂(zhi)(zhi)乳(ru)(ru)液(ye)的(de)制備方(fang)(fang)法(fa)(fa)環(huan)(huan)氧樹(shu)脂(zhi)(zhi)本身不(bu)溶于水(shui)(shui)(shui)(shui),不(bu)能(neng)直接加水(shui)(shui)(shui)(shui)進行乳(ru)(ru)化(hua)(hua),要制備穩定的(de)水(shui)(shui)(shui)(shui)性(xing)(xing)環(huan)(huan)氧樹(shu)脂(zhi)(zhi)乳(ru)(ru)液(ye),必須設法(fa)(fa)在其分(fen)子鏈中引入強親(qin)水(shui)(shui)(shui)(shui)鏈段或者在體系中加入親(qin)水(shui)(shui)(shui)(shui)親(qin)油組分(fen)。
產品關鍵詞:樹脂泵 樹脂乳化泵, ,轉相法環氧樹脂高速乳化機,環氧樹脂高剪切乳化機 水性環氧樹脂高速乳化機價格
(洽談:)
關(guan)于(yu)水性環氧樹脂:
環(huan)(huan)氧(yang)樹(shu)脂(zhi)自身(shen)為(wei)(wei)熱塑性(xing)(xing)(xing)的線型(xing)結構,受熱后固(gu)態(tai)變(bian)為(wei)(wei)液(ye)態(tai),高粘度變(bian)為(wei)(wei)低粘度,只有(you)與固(gu)化(hua)(hua)(hua)劑配合使用(yong)才具有(you)實用(yong)價值 (純正的單組分水(shui)性(xing)(xing)(xing)環(huan)(huan)氧(yang)體(ti)系(xi)也(ye)需加入潛伏型(xing)固(gu)化(hua)(hua)(hua)劑)。因此水(shui)性(xing)(xing)(xing)環(huan)(huan)氧(yang)體(ti)系(xi)應包含水(shui)性(xing)(xing)(xing)環(huan)(huan)氧(yang)樹(shu)脂(zhi)和水(shui)性(xing)(xing)(xing)環(huan)(huan)氧(yang)固(gu)化(hua)(hua)(hua)劑,同樣,它(ta)們(men)分別(bie)通過(guo)不同的水(shui)性(xing)(xing)(xing)化(hua)(hua)(hua)途徑可形成三種水(shui)分散形態(tai)。
樹脂(zhi)通過不同(tong)的水性化途徑(jing)可形成三種水分散形態:①水溶性;②膠(jiao)束(shu)分散型;③乳液。
不(bu)管選擇何種(zhong)形(xing)態的(de)(de)(de)水(shui)性(xing)環(huan)氧樹脂(zhi)(zhi)和水(shui)性(xing)環(huan)氧固(gu)(gu)化(hua)劑,zui終具有(you)(you)實(shi)際應(ying)用價值的(de)(de)(de)水(shui)性(xing)環(huan)氧體系(xi)是一種(zhong)分(fen)散多相結(jie)構,由(you)水(shui)性(xing)環(huan)氧樹脂(zhi)(zhi)、水(shui)性(xing)環(huan)氧固(gu)(gu)化(hua)劑、水(shui)等多相組成(cheng),其成(cheng)膜機理不(bu)同(tong)(tong)于一般的(de)(de)(de)聚(ju)合(he)物(wu)乳液如丙(bing)烯酸乳液的(de)(de)(de)成(cheng)膜(凝結(jie)成(cheng)膜,物(wu)理過程(cheng)),同(tong)(tong)時與溶(rong)劑型環(huan)氧的(de)(de)(de)成(cheng)膜也不(bu)*相同(tong)(tong),在(zai)(zai)溶(rong)劑型環(huan)氧體系(xi)中,環(huan)氧樹脂(zhi)(zhi)和固(gu)(gu)化(hua)劑均(jun)以(yi)分(fen)子形(xing)式溶(rong)解在(zai)(zai)有(you)(you)機溶(rong)劑中,形(xing)成(cheng)的(de)(de)(de)體系(xi)是均(jun)相的(de)(de)(de),固(gu)(gu)化(hua)反應(ying)在(zai)(zai)分(fen)子之(zhi)間進(jin)行,因(yin)而固(gu)(gu)化(hua)反應(ying)進(jin)行得比較(jiao)*,所形(xing)成(cheng)的(de)(de)(de)固(gu)(gu)化(hua)物(wu)也是均(jun)相的(de)(de)(de)。
樹脂泵 樹脂乳化泵工作原理:
在(zai)(zai)目(mu)前環(huan)氧樹(shu)脂水性(xing)化(hua)的(de)幾種方法(fa)(fa)(fa)中(zhong),相反(fan)轉法(fa)(fa)(fa)以其有效性(xing)而越(yue)來越(yue)受重視。專(zhuan)家認為(wei),相反(fan)轉法(fa)(fa)(fa)。未(wei)來將主(zhu)導環(huan)氧樹(shu)脂水性(xing)化(hua)的(de)進(jin)程。水性(xing)環(huan)氧樹(shu)脂乳液的(de)制備方法(fa)(fa)(fa)環(huan)氧樹(shu)脂本(ben)身不溶于(yu)水,不能直(zhi)接加水進(jin)行乳化(hua),要制備穩(wen)定的(de)水性(xing)環(huan)氧樹(shu)脂乳液,必須(xu)設法(fa)(fa)(fa)在(zai)(zai)其分子(zi)鏈(lian)中(zhong)引入強親水鏈(lian)段或者在(zai)(zai)體(ti)系中(zhong)加入親水親油(you)組分。根據制備方法(fa)(fa)(fa)的(de)不同,環(huan)氧樹(shu)脂水性(xing)化(hua)有以下3種方法(fa)(fa)(fa):
機械法(fa)(fa)(fa)(fa)、化(hua)學(xue)改性(xing)(xing)(xing)(xing)法(fa)(fa)(fa)(fa)和相(xiang)(xiang)反(fan)轉法(fa)(fa)(fa)(fa)。據專家(jia)介紹,機械法(fa)(fa)(fa)(fa)就(jiu)是將固體環(huan)(huan)氧(yang)樹(shu)(shu)(shu)脂預先磨成(cheng)(cheng)微(wei)米級的(de)(de)環(huan)(huan)氧(yang)樹(shu)(shu)(shu)脂粉(fen)末,在加熱的(de)(de)條(tiao)件下加入乳(ru)(ru)化(hua)劑(ji)水溶液(ye)(ye),通過激烈的(de)(de)機械攪拌(ban)即可(ke)制(zhi)得水性(xing)(xing)(xing)(xing)環(huan)(huan)氧(yang)樹(shu)(shu)(shu)脂乳(ru)(ru)液(ye)(ye),優點是工藝簡單,所需乳(ru)(ru)化(hua)劑(ji)用(yong)量較(jiao)少,但乳(ru)(ru)液(ye)(ye)中環(huan)(huan)氧(yang)樹(shu)(shu)(shu)脂分散相(xiang)(xiang)微(wei)粒(li)尺(chi)寸較(jiao)大(約(yue)50μm左右(you)),粒(li)子形(xing)狀不規則且尺(chi)寸分布(bu)(bu)較(jiao)寬,所配得的(de)(de)乳(ru)(ru)液(ye)(ye)穩定性(xing)(xing)(xing)(xing)差,粒(li)子之間(jian)容(rong)易(yi)相(xiang)(xiang)互(hu)碰撞而發生凝(ning)結現象(xiang),并且該乳(ru)(ru)液(ye)(ye)的(de)(de)成(cheng)(cheng)膜性(xing)(xing)(xing)(xing)能(neng)也欠佳(jia)。而化(hua)學(xue)改性(xing)(xing)(xing)(xing)法(fa)(fa)(fa)(fa)是通過對(dui)環(huan)(huan)氧(yang)樹(shu)(shu)(shu)脂分子進(jin)行(xing)改性(xing)(xing)(xing)(xing),改性(xing)(xing)(xing)(xing)后的(de)(de)高聚(ju)(ju)物加水進(jin)行(xing)乳(ru)(ru)化(hua)時,疏水性(xing)(xing)(xing)(xing)高聚(ju)(ju)物分子鏈就(jiu)會聚(ju)(ju)集成(cheng)(cheng)微(wei)粒(li),離(li)子基團(tuan)或極(ji)性(xing)(xing)(xing)(xing)基團(tuan)分布(bu)(bu)在這些微(wei)粒(li)的(de)(de)表面,只要滿足一(yi)定的(de)(de)動力學(xue)條(tiao)件就(jiu)可(ke)形(xing)成(cheng)(cheng)穩定的(de)(de)水性(xing)(xing)(xing)(xing)環(huan)(huan)氧(yang)樹(shu)(shu)(shu)脂乳(ru)(ru)液(ye)(ye)。用(yong)化(hua)學(xue)改性(xing)(xing)(xing)(xing)的(de)(de)方法(fa)(fa)(fa)(fa)制(zhi)備(bei)的(de)(de)水性(xing)(xing)(xing)(xing)環(huan)(huan)氧(yang)樹(shu)(shu)(shu)脂乳(ru)(ru)液(ye)(ye)中分散相(xiang)(xiang)粒(li)子的(de)(de)尺(chi)寸很小(約(yue)為幾十到幾百(bai)個(ge)納米),但化(hua)學(xue)改性(xing)(xing)(xing)(xing)法(fa)(fa)(fa)(fa)的(de)(de)制(zhi)備(bei)步驟不易(yi)控制(zhi),產(chan)品的(de)(de)成(cheng)(cheng)本也較(jiao)高。
相(xiang)(xiang)(xiang)(xiang)(xiang)反(fan)(fan)法(fa)一(yi)種制(zhi)備(bei)高分(fen)(fen)子樹(shu)脂(zhi)乳(ru)(ru)液較為有效的(de)(de)(de)方法(fa),幾(ji)乎可將(jiang)所有的(de)(de)(de)高分(fen)(fen)子樹(shu)脂(zhi)借助(zhu)(zhu)于(yu)外乳(ru)(ru)化(hua)(hua)(hua)(hua)(hua)劑的(de)(de)(de)作用并通過(guo)(guo)物理乳(ru)(ru)化(hua)(hua)(hua)(hua)(hua)的(de)(de)(de)方法(fa)制(zhi)得相(xiang)(xiang)(xiang)(xiang)(xiang)應的(de)(de)(de)乳(ru)(ru)液。中(zhong)國(guo)環(huan)(huan)氧(yang)(yang)(yang)(yang)樹(shu)脂(zhi)行(xing)業協會專(zhuan)家(jia)介紹說(shuo),相(xiang)(xiang)(xiang)(xiang)(xiang)反(fan)(fan)轉(zhuan)(zhuan)(zhuan)原指多組分(fen)(fen)體(ti)(ti)(ti)系(xi)(xi)如油(you)/水(shui)(shui)(shui)/乳(ru)(ru)化(hua)(hua)(hua)(hua)(hua)劑中(zhong)的(de)(de)(de)連續相(xiang)(xiang)(xiang)(xiang)(xiang)在(zai)(zai)一(yi)定(ding)(ding)條件下相(xiang)(xiang)(xiang)(xiang)(xiang)互轉(zhuan)(zhuan)(zhuan)化(hua)(hua)(hua)(hua)(hua)的(de)(de)(de)過(guo)(guo)程,如在(zai)(zai)油(you)/水(shui)(shui)(shui)/乳(ru)(ru)化(hua)(hua)(hua)(hua)(hua)劑體(ti)(ti)(ti)系(xi)(xi)中(zhong),其連續相(xiang)(xiang)(xiang)(xiang)(xiang)由(you)水(shui)(shui)(shui)相(xiang)(xiang)(xiang)(xiang)(xiang)向(xiang)油(you)相(xiang)(xiang)(xiang)(xiang)(xiang)或(huo)從油(you)相(xiang)(xiang)(xiang)(xiang)(xiang)向(xiang)水(shui)(shui)(shui)相(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)轉(zhuan)(zhuan)(zhuan)變(bian),在(zai)(zai)連續相(xiang)(xiang)(xiang)(xiang)(xiang)轉(zhuan)(zhuan)(zhuan)變(bian)區體(ti)(ti)(ti)系(xi)(xi)的(de)(de)(de)界面張力(li)很低,因而(er)分(fen)(fen)散相(xiang)(xiang)(xiang)(xiang)(xiang)的(de)(de)(de)尺(chi)寸很小。 用相(xiang)(xiang)(xiang)(xiang)(xiang)反(fan)(fan)轉(zhuan)(zhuan)(zhuan)法(fa)制(zhi)備(bei)水(shui)(shui)(shui)性(xing)(xing)環(huan)(huan)氧(yang)(yang)(yang)(yang)樹(shu)脂(zhi)乳(ru)(ru)液的(de)(de)(de)具體(ti)(ti)(ti)過(guo)(guo)程是(shi)在(zai)(zai)高速剪切(qie)作用下先將(jiang)外乳(ru)(ru)化(hua)(hua)(hua)(hua)(hua)劑和環(huan)(huan)氧(yang)(yang)(yang)(yang)樹(shu)脂(zhi)混合均勻(yun),隨后(hou)在(zai)(zai)一(yi)定(ding)(ding)的(de)(de)(de)剪切(qie)條件下緩慢地(di)向(xiang)體(ti)(ti)(ti)系(xi)(xi)中(zhong)加入蒸(zheng)餾水(shui)(shui)(shui),隨著加水(shui)(shui)(shui)量地(di)增加整個體(ti)(ti)(ti)系(xi)(xi)逐步由(you)油(you)包(bao)水(shui)(shui)(shui)向(xiang)水(shui)(shui)(shui)包(bao)油(you)轉(zhuan)(zhuan)(zhuan)變(bian),形(xing)成均勻(yun)穩定(ding)(ding)的(de)(de)(de)水(shui)(shui)(shui)可稀釋體(ti)(ti)(ti)系(xi)(xi)。在(zai)(zai)這過(guo)(guo)程中(zhong)水(shui)(shui)(shui)性(xing)(xing)環(huan)(huan)氧(yang)(yang)(yang)(yang)樹(shu)脂(zhi)乳(ru)(ru)液的(de)(de)(de)許多性(xing)(xing)質(zhi)會發生(sheng)突變(bian),如體(ti)(ti)(ti)系(xi)(xi)的(de)(de)(de)粘度、導電性(xing)(xing)和表面張力(li)等,通過(guo)(guo)測(ce)定(ding)(ding)體(ti)(ti)(ti)系(xi)(xi)乳(ru)(ru)化(hua)(hua)(hua)(hua)(hua)過(guo)(guo)程中(zhong)的(de)(de)(de)電導率和粘度的(de)(de)(de)變(bian)化(hua)(hua)(hua)(hua)(hua)就可判斷相(xiang)(xiang)(xiang)(xiang)(xiang)反(fan)(fan)轉(zhuan)(zhuan)(zhuan)是(shi)否*。中(zhong)國(guo)環(huan)(huan)氧(yang)(yang)(yang)(yang)樹(shu)脂(zhi)行(xing)業在(zai)(zai)線專(zhuan)家(jia)稱,該(gai)乳(ru)(ru)化(hua)(hua)(hua)(hua)(hua)過(guo)(guo)程可在(zai)(zai)室溫環(huan)(huan)境下進行(xing),對于(yu)固體(ti)(ti)(ti)環(huan)(huan)氧(yang)(yang)(yang)(yang)樹(shu)脂(zhi),則需要借助(zhu)(zhu)于(yu)少量有機溶劑或(huo)進行(xing)加熱(re)來降(jiang)低環(huan)(huan)氧(yang)(yang)(yang)(yang)樹(shu)脂(zhi)本體(ti)(ti)(ti)的(de)(de)(de)粘度,然后(hou)再(zai)進行(xing)乳(ru)(ru)化(hua)(hua)(hua)(hua)(hua)。
水性環氧(yang)為(wei)多相(xiang)體系,環氧(yang)樹脂和固(gu)(gu)化(hua)(hua)劑以分(fen)散相(xiang)形式分(fen)散在(zai)(zai)水相(xiang)中,交聯(lian)固(gu)(gu)化(hua)(hua)過(guo)程是(shi)在(zai)(zai)水分(fen)蒸(zheng)發的(de)過(guo)程中微(wei)粒之(zhi)間(jian)的(de)相(xiang)互滲(shen)透內部擴散交聯(lian)反應過(guo)程,因(yin)此水性環氧(yang)的(de)固(gu)(gu)化(hua)(hua)程度取決于以下四個因(yin)素(su):
a)相容(rong)性:水性環(huan)氧樹脂與(yu)水性環(huan)氧固(gu)(gu)化劑的相容(rong)性越好,越有利于(yu)固(gu)(gu)化劑微粒與(yu)環(huan)氧樹脂微粒相互內(nei)部擴散,有利于(yu)固(gu)(gu)化反(fan)應的進行;
b)粒徑:粒徑較(jiao)小(xiao)時,水性環(huan)氧(yang)樹脂與水性環(huan)氧(yang)固化(hua)劑分散相粒子能夠較(jiao)充分地(di)相互滲透(tou)到(dao)內(nei)核從而達到(dao)較(jiao)*的固化(hua)程(cheng)度(du);
c)親水(shui)(shui)(shui)親油平衡值(zhi)(zhi):水(shui)(shui)(shui)性(xing)(xing)環(huan)氧(yang)樹脂與水(shui)(shui)(shui)性(xing)(xing)環(huan)氧(yang)固化劑的(de)親水(shui)(shui)(shui)親油平衡值(zhi)(zhi)接(jie)近,在水(shui)(shui)(shui)相中達(da)到(dao)*的(de)共存(cun) 穩(wen)定狀(zhuang)態(tai),如果差異較大,親水(shui)(shui)(shui)性(xing)(xing)較強的(de)組分(fen)會逐漸聚集于(yu)水(shui)(shui)(shui)相中,從而導致(zhi)樹脂相和固化劑相分(fen)離(li);
d)分散均(jun)勻程(cheng)度:在(zai)多相分離的(de)狀態下,只有通過一定(ding)的(de)機械攪拌作用(yong), 才(cai)能(neng)將樹(shu)脂相和固(gu)(gu)化(hua)(hua)劑相均(jun)勻分布于水相中; (環氧(yang)(yang)在(zai)應用(yong)中攪拌混合均(jun)勻非常重(zhong)要(yao))(有些(xie)朋(peng)友(you)在(zai)使用(yong)油性(xing)環氧(yang)(yang)過程(cheng)中認為只要(yao)簡(jian)單攪拌甚至不攪拌也(ye)能(neng)成(cheng)膜,其實這(zhe)存在(zai)很大的(de)誤區,因為所使用(yong)的(de)油性(xing)環氧(yang)(yang)是由固(gu)(gu)體環氧(yang)(yang)溶(rong)解而成(cheng)如75%的(de)E-20,即使不加固(gu)(gu)化(hua)(hua)劑,溶(rong)劑揮發后(hou)可(ke)形成(cheng)很硬的(de)干膜狀態,但(dan)這(zhe)種干膜是未經固(gu)(gu)化(hua)(hua)劑交聯固(gu)(gu)化(hua)(hua)的(de),受熱后(hou)變成(cheng)液態,干膜毫(hao)無(wu)性(xing)能(neng)可(ke)言) 。
設備簡(jian)介
管線式(shi)高(gao)剪切分散乳化機是用(yong)(yong)于(yu)連續生(sheng)產(chan)或循環(huan)處(chu)理精細物(wu)(wu)料的(de)(de)高(gao)性(xing)能(neng)設備,在狹窄空(kong)間的(de)(de)腔體內,裝有(you)1組對(dui)偶咬合的(de)(de)多層定(ding)、轉子,轉子在高(gao)速旋轉時,產(chan)生(sheng)強(qiang)勁(jing)的(de)(de)軸向吸力將(jiang)物(wu)(wu)料吸入腔體并開(kai)始快速處(chu)理。 適(shi)用(yong)(yong)于(yu)無衛(wei)生(sheng)要(yao)求的(de)(de)工況。
設備原理(li)
物(wu)料進入設備腔(qiang)體后(hou)迅(xun)速(su)被定轉子進行分(fen)散、乳化、均質處理,粒徑分(fen)布(bu)范(fan)圍也顯著(zhu)變窄(zhai),物(wu)料混(hun)合(he)更(geng)均勻(yun)。
(洽談(tan):)
設備優(you)勢
處理量大,適合(he)工業化在(zai)線連續生產(chan)
粒(li)徑分布范圍窄,勻度高
省時、高效(xiao)、節約能耗
噪音低,運(yun)轉平穩(wen)
消除批次間生(sheng)產(chan)的品(pin)質差異(yi)
*,物料 通過(guo)分散(san)剪切
具有短距離、低揚程(cheng)輸送功(gong)能,可實現循環處(chu)理
操作簡單,維修方便
可實現自(zi)動化控制
設備選型表
型號 | 功(gong)率(kW) | 轉(zhuan)速(rpm) | A | E | C | D | 流(liu)量范圍(m³/h) |
SDX1/100 | 2.2 | 2900 | 575 | 330 | 32 | 40 | 0-3 |
SDX1/140 | 5.5 | 2900 | 743 | 406 | 40 | 50 | 0-5 |
SDX1/165 | 7.5 | 2900 | 743 | 406 | 40 | 50 | 0-8 |
SDX1/180 | 11 | 2900 | 900 | 460 | 50 | 65 | 0-12 |
SDX1/185 | 15 | 2900 | 900 | 460 | 50 | 65 | 0-18 |
SDX1/200 | 22 | 2900/1470 | 970 | 480 | 50 | 65 | 0-25 |
SDX1/210 | 30 | 2900/1470 | 1110 | 555 | 65 | 80 | 0-35 |
SDX1/230 | 45 | 2900/1470 | 1485 | 565 | 80/50 | 100/65 | 0-45 |
SDX1/245 | 55 | 1470 | 1800 | 600 | 80 | 100 | 0-75 |
SDX1/260 | 75 | 1470 | 1920 | 640 | 100 | 125 | 0-90 |
SDX1/280 | 90 | 1470 | 2050 | 650 | 100 | 125 | 0-110 |
SDX1/290 | 132 | 1470 | 2375 | 700 | 125 | 150 | 0-130 |
SDX1/300 | 160 | 1470 | 2495 | 710 | 150 | 175 | 0-140 |
SDX1/360 | 185 | 1470 | 2500 | 720 | 150 | 175 | 0-160 |
SDX1/380 | 200 | 1470 | 2510 | 730 | 150 | 175 | 0-180 |
SDX1/400 | 250 | 1470 | 2535 | 740 | 175 | 200 | 0-200 |
注(zhu)
* 表(biao)中流量范圍(wei)是指介質為“水”時測(ce)定的數(shu)據,表(biao)中所(suo)列型號(hao)的出(chu)口(kou)壓力≤0.15MPa;
* 如采用循環工藝(yi),建(jian)議與間(jian)歇(xie)式高剪切分散乳化機配(pei)合使用;
* 如有高(gao)溫、高(gao)壓、易(yi)燃易(yi)爆、腐蝕等(deng)特殊工況時(shi),須提供詳細(xi)準(zhun)確的參數(shu);
* 對(dui)流動性較(jiao)差(cha)的(de)介(jie)質(zhi),建議在入(ru)口處選(xuan)用流量相匹配(pei)的(de)泵輸送(song),輸送(song)泵的(de)壓力(li)≤0.3MPa;
* 本表數(shu)據如有更(geng)改(gai),恕不另行通知,正確參數(shu)以提供的(de)實物為準。