聚丙烯酰胺廠家聚(ju)丙烯酰胺(an)作為潤滑劑、懸浮(fu)劑、粘土穩定劑、驅油劑、降失水劑和增稠劑,在鉆井(jing)、酸化(hua)、壓裂、堵水、固井(jing)及二次采油、三次采油中得到了廣泛(fan)應用,是一種極為重要的油田化(hua)學品(pin)。
聚丙烯酰胺廠家【聚(ju)丙(bing)烯(xi)(xi)酰(xian)(xian)胺(an)(an)】為白(bai)色粉末或者(zhe)小顆粒狀(zhuang)物,密(mi)度(du)為1.32g/cm3(23度(du)),玻璃(li)化溫度(du)為188度(du),軟化溫度(du)近于210度(du),一般方法(fa)干(gan)(gan)(gan)燥(zao)(zao)時含有少(shao)量(liang)的(de)水,干(gan)(gan)(gan)時又會很快從環(huan)境中吸取水分(fen)(fen)(fen)(fen)(fen),用冷凍干(gan)(gan)(gan)燥(zao)(zao)法(fa)分(fen)(fen)(fen)(fen)(fen)離的(de)均聚(ju)物是(shi)白(bai)色松(song)軟的(de)非結晶固體,但是(shi)當從溶液中沉淀并干(gan)(gan)(gan)燥(zao)(zao)后則為玻璃(li)狀(zhuang)部分(fen)(fen)(fen)(fen)(fen)透明的(de)固體,完(wan)全干(gan)(gan)(gan)燥(zao)(zao)的(de)聚(ju)丙(bing)烯(xi)(xi)酰(xian)(xian)胺(an)(an)PAM是(shi)脆性(xing)的(de)白(bai)色固體,商品聚(ju)丙(bing)烯(xi)(xi)酰(xian)(xian)胺(an)(an)干(gan)(gan)(gan)燥(zao)(zao)通(tong)常是(shi)在(zai)適度(du)的(de)條件下干(gan)(gan)(gan)燥(zao)(zao)的(de),一般含水量(liang)為5%~15%,澆鑄在(zai)玻璃(li)板上制備的(de)高(gao)分(fen)(fen)(fen)(fen)(fen)子膜,則是(shi)透明、堅硬、易碎的(de)固體。聚(ju)丙(bing)烯(xi)(xi)酰(xian)(xian)胺(an)(an)聚(ju)丙(bing)烯(xi)(xi)酰(xian)(xian)胺(an)(an)是(shi)一種(zhong)線型高(gao)分(fen)(fen)(fen)(fen)(fen)子聚(ju)合(he)物,產(chan)品主(zhu)要分(fen)(fen)(fen)(fen)(fen)為干(gan)(gan)(gan)粉和膠體兩種(zhong)形式。按其平均分(fen)(fen)(fen)(fen)(fen)子量(liang)可分(fen)(fen)(fen)(fen)(fen)為低分(fen)(fen)(fen)(fen)(fen)子量(liang)(<100 萬(wan))、中分(fen)(fen)(fen)(fen)(fen)子量(liang)(200~400 萬(wan))和高(gao)分(fen)(fen)(fen)(fen)(fen)子量(liang)(>700萬(wan))三類。
聚丙烯酰胺按其(qi)結構又可(ke)分為非離(li)(li)(li)子(zi)(zi)(zi)型(xing)、陰(yin)離(li)(li)(li)子(zi)(zi)(zi)型(xing)和(he)陽(yang)離(li)(li)(li)子(zi)(zi)(zi)型(xing)。陰(yin)離(li)(li)(li)子(zi)(zi)(zi)型(xing)多(duo)為PAM 的(de)(de)(de)(de)水(shui)(shui)解(jie)體(HPAM)。聚(ju)(ju)(ju)丙(bing)烯(xi)(xi)(xi)酰(xian)(xian)胺(an)(an)的(de)(de)(de)(de)主鏈(lian)上(shang)帶有大(da)量的(de)(de)(de)(de)酰(xian)(xian)胺(an)(an)基,化學(xue)活性(xing)很高,可(ke)以(yi)改性(xing)制取(qu)許多(duo)聚(ju)(ju)(ju)丙(bing)烯(xi)(xi)(xi)酰(xian)(xian)胺(an)(an)的(de)(de)(de)(de)衍生(sheng)物,產品已廣(guang)泛應用(yong)(yong)(yong)(yong)于造(zao)(zao)紙(zhi)、選(xuan)礦、采(cai)油、冶金、建材、污(wu)(wu)水(shui)(shui)處(chu)理(li)等(deng)行(xing)業。 聚(ju)(ju)(ju)丙(bing)烯(xi)(xi)(xi)酰(xian)(xian)胺(an)(an)離(li)(li)(li)子(zi)(zi)(zi)度(du)是(shi)聚(ju)(ju)(ju)丙(bing)烯(xi)(xi)(xi)酰(xian)(xian)胺(an)(an)分子(zi)(zi)(zi)鏈(lian)所帶的(de)(de)(de)(de) 電(dian)荷(he)(electric charge)密(mi)(mi)度(du)(單(dan)位:g/cm3或kg/m3)。離(li)(li)(li)子(zi)(zi)(zi)度(du)的(de)(de)(de)(de) 選(xuan)擇(ze)往往會決定污(wu)(wu)泥(ni)脫(tuo)水(shui)(shui)效果(guo)(guo)(guo)。不同(tong)行(xing)業產生(sheng)污(wu)(wu)水(shui)(shui) 污(wu)(wu)泥(ni)不一(yi)樣(yang),因此(ci)所選(xuan)用(yong)(yong)(yong)(yong)的(de)(de)(de)(de) 聚(ju)(ju)(ju)丙(bing)烯(xi)(xi)(xi)酰(xian)(xian)胺(an)(an)離(li)(li)(li)子(zi)(zi)(zi)度(du)也不一(yi)樣(yang)。離(li)(li)(li)子(zi)(zi)(zi)度(du)過(guo)低(di),污(wu)(wu)泥(ni)絮(xu)團(tuan)不夠緊密(mi)(mi),如果(guo)(guo)(guo)離(li)(li)(li)子(zi)(zi)(zi)度(du)過(guo)高,則污(wu)(wu)泥(ni)絮(xu)團(tuan)會有過(guo)量電(dian)荷(he)而排斥。比如城(cheng)市污(wu)(wu)水(shui)(shui)應為有機物高,常(chang)選(xuan)用(yong)(yong)(yong)(yong)高離(li)(li)(li)子(zi)(zi)(zi)度(du)聚(ju)(ju)(ju)丙(bing)烯(xi)(xi)(xi)酰(xian)(xian)胺(an)(an),50度(du),60度(du)效果(guo)(guo)(guo)較佳。造(zao)(zao)紙(zhi)廠則選(xuan)用(yong)(yong)(yong)(yong)20度(du) ,30度(du)聚(ju)(ju)(ju)丙(bing)烯(xi)(xi)(xi)酰(xian)(xian)胺(an)(an)就可(ke)以(yi)。此(ci)外脫(tuo)泥(ni)設備(shèbèi)往往也會對(dui)(dui)聚(ju)(ju)(ju)丙(bing)烯(xi)(xi)(xi)酰(xian)(xian)胺(an)(an)有所要求,脫(tuo)泥(ni)離(li)(li)(li)心機比壓濾機對(dui)(dui)離(li)(li)(li)子(zi)(zi)(zi)度(du)要求稍高。 污(wu)(wu)水(shui)(shui)處(chu)理(li)廠壓泥(ni)用(yong)(yong)(yong)(yong)聚(ju)(ju)(ju)丙(bing)烯(xi)(xi)(xi)酰(xian)(xian)胺(an)(an)分子(zi)(zi)(zi)量大(da)不意(yi)味(wei)著性(xing)能(neng)就好,分子(zi)(zi)(zi)量小也不意(yi)味(wei)著性(xing)能(neng)就差,主要還(huan)是(shi)要看用(yong)(yong)(yong)(yong)途(tu),如果(guo)(guo)(guo)在污(wu)(wu)水(shui)(shui)處(chu)理(li)領域用(yong)(yong)(yong)(yong)來脫(tuo)泥(ni),還(huan)得(de)結合脫(tuo)泥(ni)設備和(he)污(wu)(wu)泥(ni)性(xing)質,如果(guo)(guo)(guo)是(shi)用(yong)(yong)(yong)(yong)在傳(chuan)統的(de)(de)(de)(de) 履帶式壓濾機,分子(zi)(zi)(zi)量很高可(ke)能(neng)會導致(zhi)(cause)濾布阻塞(sai),脫(tuo)水(shui)(shui)性(xing)差等(deng)問(wen)題(ti)(Emerson),影響(influence)脫(tuo)水(shui)(shui)效果(guo)(guo)(guo),一(yi)般采(cai)用(yong)(yong)(yong)(yong)離(li)(li)(li)子(zi)(zi)(zi)度(du)30-40度(du)聚(ju)(ju)(ju)丙(bing)烯(xi)(xi)(xi)酰(xian)(xian)胺(an)(an);如果(guo)(guo)(guo)用(yong)(yong)(yong)(yong)在離(li)(li)(li)心式脫(tuo)泥(ni)機,因其(qi)工作原理(li)不同(tong),分子(zi)(zi)(zi)量要求就要高一(yi)點,要求產生(sheng)的(de)(de)(de)(de) 絮(xu)團(tuan)能(neng)盡(jin)量耐剪切,也可(ke)以(yi)理(li)解(jie)為絮(xu)團(tuan)要足夠結實,所以(yi)要選(xuan)擇(ze)分子(zi)(zi)(zi)量在50度(du)以(yi)上(shang)的(de)(de)(de)(de) 產品。