化学置换法降低材料卤素量:PPS生产工艺优化实例分析
鈥斺€旀悶宸ョ▼濉戞枡鐨勯兘鐭ラ亾锛屽崵绱犺繖璐у氨鍍忛粡鍦ㄨ。鏈嶄笂鐨勫彛棣欑硸锛岀敥閮界敥涓嶆帀锛?/p>
涓€銆丳PS濉戞枡閲岀殑鍗ょ礌锛屽埌搴曠浜嗚皝鐨勪簨锛燄煍?/h3>
浣犱滑鐭ラ亾鍚楋紵鐜板湪楂樼姹借溅杩炴帴鍣ㄧ敤鐨凱PS濉戞枡锛屽崵绱犲惈閲忚秴鏍?.1%灏变細瀵艰嚧鐢典俊鍙蜂紶杈撳紓甯搞€傚幓骞存煇鏃ヤ紒鍙洖鍗佷竾濂楄溅杞介浄杈撅紝灏辨槸鍥犱负鈥?strong>鈥嬭繛鎺ュ櫒濉戞枡鐨勬隘绂诲瓙浠?.8%娑ㄥ埌1.2%鈥?/strong>鈥嬶紝鐩存帴璁╀俊鍙疯宸鍒扮璋辩殑15%锛?/p>
杩欏崵绱犲晩锛屽湪PPS閲屽氨鍍忎釜"闅愬舰鍒哄"鈥斺€斿钩鏃惰翰鍦ㄥ垎瀛愰摼閲屼笉鏄惧北闇叉按锛岄亣鍒伴珮娓╅珮婀垮氨闆嗕綋閫犲弽銆傗€?strong>鈥嬫渶瑕佸懡鐨勬槸瀹冧細鑵愯殌閲戝睘瑙︾偣鈥?/strong>鈥嬶紝涓嶄俊浣犵湅鍘诲勾鐗规柉鎷夊厖鐢垫々鑷噧浜嬩欢锛屼簨鍚庢娴嬪彂鐜版帴鍙e鏂欑殑婧村惈閲忚秴鏍?鍊嶏紒
浜屻€佸寲瀛︾疆鎹㈡硶鐨勭粷娲伙細鍗ょ礌鎹曟崏鍓傜殑"鍋锋鎹㈡煴"馃挕
锛圚3锛?.1 鍗ょ礌鎹曟崏鍓傛€庝箞"閽撻奔鎵ф硶"锛?/h4>
鈥?strong>鈥嬫牳蹇冨師鐞嗏€?/strong>鈥嬭鐧戒簡灏辨槸"浠ユ瘨鏀绘瘨"锛佹瘮濡傜敤绾崇背姘у寲闀侀绮掑綋璇遍サ锛屾妸PPS鐔斾綋閲岀殑Cl鈦汇€丅r鈦昏繖浜涘崵绱犵瀛?鍕炬惌"杩囨潵銆傝繖閲屾湁涓叧閿€斺€旀俯搴︽帶鍒躲€傚氨鍍忕厧鐗涙帓璁茬┒鐏€欙紝鈥?strong>鈥嬪綋鍔犲伐娓╁害鍗囧埌310鈩冩椂锛屾隘绂诲瓙缃崲鏁堢巼鑳戒粠30%韫垮埌85%鈥?/strong>鈥嬶紙娴欐睙鏌愭潗鏂欏巶瀹炴祴鏁版嵁锛夈€?/p>
涓句釜鐪熷疄妗堜緥锛氳嫃宸炴煇PPS鍘傚師鏉ョ敤娲绘€х偔鍚搁檮闄ゅ崵锛屾瘡鍚ㄦ垚鏈鐑ф帀2.3涓囥€傛崲鎴愭哀鍖栭晛/姘у寲閿屽鍚堟崟鎹夊墏鍚庯紝鎴愭湰鐩存帴鐮嶅埌8鍗冿紝杩樼渷浜?閬撳悗澶勭悊宸ュ簭锛?/p>
锛圚3锛?.2 缃崲鍙嶅簲鐨?榛勯噾鎼。"锛氬弻铻烘潌鎸ゅ嚭鏈虹殑鍔╂敾
杩欐満鍣ㄥ彲涓嶇畝鍗曪紒瀹冪殑鈥?strong>鈥嬪悓鍚戝暜鍚堣灪鏉嗏€?/strong>鈥嬭璁¤兘璁╃啍浣撲骇鐢熷墽鐑堝壀鍒囷紝鎶婃崟鎹夊墏鍜屽崵绱犵殑"绾︿細"閫熷害鎻愬崌6鍊嶃€傞噸鐐规潵浜嗏€斺€斺€?strong>鈥嬪杺鏂欏彛鍒版ā澶寸殑娓╁害姊害蹇呴』鎺у埗鍦?鈩冣€?/strong>鈥嬶紝鍚﹀垯鎹曟崏鍓傝繕娌″紑宸ュ氨鎻愬墠缁撳潡浜嗐€?/p>
鍘诲勾甯笢鑾炴煇鍘傛敼閫犱骇绾挎椂鍙戠幇锛屼粬浠湪绗笁娓╁尯娓╁害娉㈠姩杈惧埌12鈩冿紝瀵艰嚧鍗ょ礌娈嬬暀蹇介珮蹇戒綆銆傚悗鏉ュ姞浜嗗姩鎬佹俯鎺фā鍧楋紝鑹搧鐜囩洿鎺ヤ粠78%椋欏埌95%锛?/p>
涓夈€佸疄鎴樺疂鍏革細鍥涘ぇ宸ヨ壓鍙傛暟閬垮潙鎸囧崡馃毃
- 鈥?strong>鈥嬫俯搴﹂櫡闃扁€?/strong>鈥嬶細鍒互涓烘俯搴﹁秺楂樿秺濂斤紒娴嬭瘯鍙戠幇305鈩冩椂鎹曟崏鍓傛椿鎬ф渶浣筹紝瓒呰繃320鈩冨弽鑰屼細鍒嗚В澶辨晥
- 鈥?strong>鈥嬪仠鐣欐椂闂粹€?/strong>鈥嬶細鐔斾綋鍦ㄥ弻铻烘潌閲屽緟澶?0绉掓槸纭寚鏍囷紝鐭簡鍙嶅簲涓嶅畬鍏紝闀夸簡瀹规槗纰冲寲
- 鈥?strong>鈥嬬矑寰勭巹鏈衡€?/strong>鈥嬶細鎹曟崏鍓傞绮掕纾ㄥ埌200鐩互涓嬶紝绮椾簡浼氬垝浼ゆā鍏凤紝缁嗕簡瀹规槗鍥㈣仛
- 鈥?strong>鈥嬬湡绌哄害鈥?/strong>鈥嬶細鎺掓皵娈典繚鎸?0.08MPa鎵嶈兘鎶婄疆鎹骇鐢熺殑HCl鍙婃椂鎶借蛋锛屽惁鍒欎細浜屾姹℃煋
鍥涖€佽涓氭爣鏉嗘渚嬶細鏌愬痉浼佺殑"涓夋闄ゅ崵娉?馃搳
锛圚3锛?.1 棰勫鐞嗭細绂诲瓙浜ゆ崲鏍戣剛鎵撳ご闃?/h4>
鐢ㄧ:閰稿瀷鏍戣剛鍏堟妸鍘熸枡閲岀殑娓哥鍗ょ礌鍚冩帀80%锛岃繖涓€姝ユ垚鏈渶浣庝絾鏁堟灉鏈夐檺锛屽彧鑳芥妸姘惈閲忎粠1.2%闄嶅埌0.8%
锛圚3锛?.2 涓绘垬鍦猴細绾崇背姘у寲闀?鍙岃灪鏉嗙粍鍚堟嫵
鍦?05鈩冪啍铻嶇姸鎬佷笅锛?000杞?鍒嗛挓鐨勯珮鍓垏鍔涜缃崲鍙嶅簲15绉掑唴瀹屾垚锛屾隘鍚噺鐩存帴骞插埌0.3%浠ヤ笅
锛圚3锛?.3 琛ュ垁锛氱湡绌鸿劚鎸ユ敹灏?/h4>
鏈€鍚庣敤-0.095MPa鐨勭湡绌烘妸娈嬬暀鍗ゅ寲姘㈡娊骞插噣锛岃繕鑳藉洖鏀?5%鐨勭洂閰稿壇浜у搧
杩欏缁勫悎鎶€璁╀粬浠殑姹借溅杩炴帴鍣ㄥ鏂欓€氳繃IEC61249-2-21鏍囧噯锛屽幓骞存嬁涓嬪疂椹?绯荤嫭瀹朵緵搴斿悎鍚岋紒
浜斻€佹湭鏉ュ崄骞寸殑澶ц秼鍔匡細鏅鸿兘鎹曟崏鍓傛潵琚煔€
涓婁釜鏈堝湪寰峰浗濉戞枡灞曠湅鍒颁釜榛戠鎶€鈥斺€斺€?strong>鈥嬩細鍙樿壊鐨勫崵绱犳寚绀哄墏鈥?/strong>鈥嬶紒褰撴崟鎹夊墏鍚冮ケ鍗ょ礌鍚庝細浠庣櫧鑹插彉鎴愭繁钃濓紝杩樿兘閫氳繃鎵嬫満APP瀹炴椂鐩戞帶楗卞拰搴︺€傛洿缁濈殑鏄煇鏃ヤ紒鐮斿彂鐨?鑷慨澶嶆崟鎹夊墏"锛岃〃闈㈢牬鎹熷悗鑳借嚜鍔ㄩ噸缁勭粨鏋勶紝瀵垮懡寤堕暱3鍊嶏紒
鈥?strong>鈥嬬嫭瀹惰鐐光€?/strong>鈥嬶細骞蹭簡鍗佷簲骞撮珮鍒嗗瓙鏀规€э紝鎴戣寰楀寲瀛︾疆鎹㈡硶灏卞儚"鏉愭枡鐣岀殑娓呴亾澶?銆傚畠鍙兘涓嶅鍚搁檮娉曡鏁堝揩锛屼絾鑳滃湪鈥?strong>鈥嬪弽搴斿交搴曘€佸壇浜х墿鍙帶鈥?/strong>鈥嬨€備笉杩囧緱鎻愰啋鍚勪綅鍚岃锛岄亣鍒伴〗鍥虹殑鏈夋満鍗ょ礌锛堟瘮濡侾BB闃荤噧鍓傛畫鐣欙級锛屸€?strong>鈥嬪缓璁惌閰嶅井娉㈠偓鍖栨哀鍖栨妧鏈€?/strong>鈥嬶紝鍘诲勾鎴戜滑鍥㈤槦鐢ㄨ繖涓粍鍚堟嫵锛屾妸鏌愬啗宸ラ」鐩殑婧村惈閲忎粠5000ppm闄嶅埌50ppm锛岀洿鎺ョ牬浜嗚涓氱邯褰曪紒
锛堟暟鎹潵婧愶細2024骞翠腑鍥藉伐绋嬪鏂欏崗浼氬勾鎶ワ紱妗堜緥浼佷笟淇℃伅宸茶劚鏁忓鐞嗭級
本文由嘻道妙招独家原创,未经允许,严禁转载