本文選題：功能助劑 + 新技術(shù)�。� 參考：《浙江理工大學(xué)》2017年碩士論文

【摘要】：現(xiàn)今由于人們環(huán)保意識的日益增強,箱紙板作為可再生綠色環(huán)保材料,代替了部分塑料、金屬、玻璃等包裝材料,成為更理想的包裝選擇,銅版紙、白卡紙、新聞紙均已產(chǎn)能過剩,而箱紙板的市場需求相對較高,因此大量投建箱紙板生產(chǎn)線是目前大勢所趨。為提高箱板紙廠的市場競爭力,重點針對箱板紙廠實際生產(chǎn)中功能助劑的應(yīng)用情況進行跟蹤,分析討論,探索功能助劑的適宜使用工藝。主要探究應(yīng)用的功能助劑有:助留助濾劑、干強劑、表面施膠劑及消泡劑等,并對紙機運用的新技術(shù)進行介紹。在牛皮箱紙板生產(chǎn)期間對助留助濾劑進行跟蹤,紙機所用助留助濾劑為CPAM/膨潤土微粒助留助濾體系,在試驗期間,保持CPAM噸紙用量不變觀察噸紙膨潤土使用量的變化對系統(tǒng)助留助濾效果的影響,保持膨潤土噸紙使用量不變觀察噸紙CPAM使用量的變化對系統(tǒng)助留助濾效果的影響,最終綜合成紙質(zhì)量指標、成本等因素,確定CPAM噸紙使用量為0.25~0.35kg·t-1,膨潤土噸紙使用量為1~2kg·t-1。在牛皮箱板紙干強劑工藝中,試驗了聚丙烯酰胺系列干強劑(以下簡稱PAM)添加使用效果,在原工藝條件不變的情況下,逐漸增加PAM的添加用量,觀察成紙層間結(jié)合力、耐折度、耐破指數(shù)等物理指標變化,以及對首程留著率、白水PCD、電導(dǎo)率進行跟蹤,觀察添加PAM后對濕部系統(tǒng)的影響,保證紙機運行效率。期間還試驗了兩性木薯淀粉取代干強劑的實驗,保持干強劑小量添加,改變兩性木薯淀粉添加量觀察成紙物理指標的變化。最終確定使用PAM作為干強劑使用,噸紙使用量在10~20kg·t-1。在牛皮箱紙板表面施膠工藝中,對正在使用的華吉-08施膠劑與貝克吉利尼-532以及可思克-718型施膠劑進行效果對比,節(jié)約成本。在生產(chǎn)105g·m-2紅杉期間試驗貝克吉利尼-532后對比發(fā)現(xiàn),在同樣工藝條件下,達到同樣成紙質(zhì)量指標下貝克吉利尼-532噸紙使用量為1.1~1.5kg·t-1,華吉-08噸紙使用量為5.0kg·t-1。在生產(chǎn)100g·m-2T紙期間使用可思克-718后對比發(fā)現(xiàn),在同樣工藝條件,達到同樣成紙質(zhì)量指標下可思克718噸紙使用量為1.0~1.6kg·t-1,華吉-08噸紙使用量為2.7kg·t-1。該生產(chǎn)線采用了Voith企業(yè)的制漿線和metso企業(yè)的紙機線,配套的DCS和QCS遠程控制系統(tǒng),實現(xiàn)自動化控制;引進芬頓氧化技術(shù)對造紙廢水進行深度處理,廢水大量回收利用;企業(yè)建有自己的熱電廠,實現(xiàn)了熱電聯(lián)產(chǎn)。
[Abstract]:Nowadays, due to the increasing awareness of environmental protection, carton board, as a renewable green material, has replaced some packaging materials such as plastic, metal and glass, and has become a more ideal packaging choice, coated paper, white card paper, etc. Newsprint has overcapacity, and the market demand of carton board is relatively high, so a large number of carton paperboard production line is the trend of the times. In order to improve the market competitiveness of the paperboard factory, the application of functional auxiliaries in the actual production of the paperboard factory was tracked, analyzed and discussed, and the suitable process for the use of functional additives was explored. The main functional aids are: retention and drainage aid, dry strength agent, surface sizing agent and defoaming agent, etc. The retention and drainage aid was tracked during the production of Kraft box paperboard. The retention and drainage aid used in the paper machine was CPAM/ bentonite particle retention and drainage system. The influence of the amount of bentonite on the retention and drainage effect of the system was observed by keeping the amount of CPAM ton paper unchanged, and the effect of the change of the amount of CPAM used on the retention and drainage effect of the system was observed by keeping the amount of bentonite per ton paper unchanged. Finally, by synthesizing the quality index and cost of the finished paper, it is determined that the usage of CPAM ton paper is 0.25~0.35kg t-1, and that of bentonite ton paper is 1~2kg t-1. The effect of adding polyacrylamide series dry strength agent (pam) was tested in the process of Kraft carton paperboard dry strength agent. Under the condition that the original process conditions were unchanged, the addition amount of PAM was gradually increased, and the interlaminar adhesion and folding resistance of the paper were observed. The change of physical indexes such as breaking resistance index, and the tracking of the first process retention rate, white water PCDs and electrical conductivity, the effect of adding PAM on the wet end system is observed to ensure the efficiency of the paper machine. The experiment of amphoteric cassava starch replacing dry strength agent was also carried out to keep a small amount of dry strength agent and change the amount of amphoteric cassava starch to observe the change of paper physical index. Finally, PAM was used as dry strength agent, and the amount of paper per ton was used in 10~20kg t-1. In the process of surface sizing of Kraft carton, the effect of Waggy-08 sizing agent in use is compared with that of Becky-532 and Kosk-718 sizing agent, which saves cost. During the production of 105g m-2 Sequoia sequoia, the results showed that under the same technological conditions, the amount of baker Gillie -532 ton paper was 1.1~1.5kg t-1 and Huagi -08 ton paper was 5.0kg t-1 under the same technological conditions. After using Cosco 718 during the production of 100g m-2T paper, it was found that under the same technological conditions, the amount of Cosik 718 ton paper was 1.0~1.6kg t-1, and that of Huagi -08 ton paper was 2.7kg t-1 under the same conditions. In this production line, the pulping line of Voith enterprise and the paper machine line of metso enterprise are adopted, and the remote control system of DCS and QCS is used to realize automatic control, and the advanced treatment of papermaking wastewater is carried out by Fenton oxidation technology, and the waste water is recovered and utilized in large quantities. The enterprise has its own thermal power plant, to achieve the cogeneration of heat and power.
【學(xué)位授予單位】：浙江理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TS727

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