描述
紙漿洗選是制漿過程中十分重要的環(huán)節(jié)，洗選過程的目的是把紙漿中的黑液分離出來，并使纖維細(xì)胞壁及細(xì)胞腔中的蒸煮溶解物擴(kuò)散出來，從而得到較潔凈的紙漿。經(jīng)洗選后的漿料，其洗凈度對以后的紙漿造紙影響很大，未洗凈的漿料會產(chǎn)生較多的泡沫，從而降低篩選、凈化、濃縮效率，增加漂白和施膠等藥品的消耗，加大中段廢水排放的污染，影響紙成型的勻度和成紙質(zhì)量。因此，紙漿洗選具有洗凈漿料和在盡可能減少稀釋的前提下，最大限度的提取漿料中所含溶解物質(zhì)和化學(xué)藥品的雙重作用。
某造紙廠具有生產(chǎn)能力為300t/d真空洗選裝置，其中關(guān)鍵設(shè)備如除節(jié)機(jī)、一段壓力篩、二段壓力篩、洗節(jié)機(jī)、洗渣機(jī)、除砂器、節(jié)子磨機(jī)和主要漿泵均采用安德里茲（ANDRITZ）進(jìn)口產(chǎn)品。通過利用浙大中自SunyTDCS9200組建過程控制系統(tǒng)，使其生產(chǎn)工藝控制操作智能化、自動化，從而大大節(jié)約了運(yùn)行費(fèi)用，提高了產(chǎn)品質(zhì)量，該造紙廠從而取得了更多的經(jīng)濟(jì)效益。
產(chǎn)品廣泛應(yīng)用于：電力、石油、礦井提升、港口、供熱、燃?xì)?、供水、污水處理、冶金、造紙、紡織、化工、水利等現(xiàn)代化工業(yè)領(lǐng)域！
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主營：世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse（美國西屋）系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
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⑦estinghouse（西屋）：OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro（?？怂共_）：I/A Series系統(tǒng)，F(xiàn)BM（現(xiàn)場輸入/輸出模塊）
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余（TMR）
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
⑨Siemens(西門子)：Siemens MOORE，Siemens Simatic C1，Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth（博世力士樂）：Indramat，I/O模塊,PLC控制器,驅(qū)動模塊等。
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