1. Ukuqinisa umgaqo-nkqubo, iiprojekthi ezintsha zeekhemikhali zamalahle kufuneka zifezekise ukukhutshwa kwe-zero
Ishishini lemichiza yamalahle lisebenzisa amalahle njengemathiriyeli ekrwada, ngokusetyenzwa kweekhemikhali ukwenza amalahle abe yigesi, ulwelo, isibaso esiqinileyo kunye nenkqubo yemichiza.Ukuhlelwa koshishino lweekhemikhali zamalahle kushishino lweekhemikhali zamalahle zemveli kunye neshishini elitsha lemichiza yamalahle.Ishishini lemichiza yamalahle yemveli yahlulwe kwi-synthetic ammonia, urea, methanol, methanol, acetic acid, calcium carbide, acetylene derivatives, njl.;Ishishini elitsha lemichiza yamalahle libandakanya amalahle kwi-oyile, amalahle kwigesi yendalo, amalahle kwi-olefin, amalahle kwi-dimethyl ether, njl. njl. ukusetyenziswa kwamanzi aphezulu, ukusetyenziswa kwamanzi kunye nokukhutshwa kwamanzi amdaka kuphezulu ngokwentelekiso, iprojekthi yangoku yaseChina yemichiza yamalahle ivelisa malunga ne-117 yezigidi zeetoni zamanzi amdaka minyaka le, i-oyile yamalahle, amalahle ukuya kwi-olefin kunye neyunithi yegesi yamalahle imveliso yokusetyenziswa kwamanzi okuphakathi kwe-10,27,6 t ngokulandelelanayo, ngoko ke iprojekthi idla ngokusasazwa kubutyebi bamalahle atyebileyo kunye nemithombo yamanzi.Ke ngoko, ukusetyenziswa ngokugqithisileyo kunye nokutshatyalaliswa kobutyebi bamanzi kuthathwa njengeyona ngxaki inzima yokusingqongileyo ejongene neshishini lemichiza yamalahle.
Urhulumente ukwaqinise ngakumbi umgaqo-nkqubo wokulahlwa kwamanzi amdaka kwiiprojekthi ezintsha zemichiza yamalahle, efuna umlinganiselo wokusetyenziswa kwakhona kwamanzi amdaka ube ngaphezu kwama-95% kwaye ekugqibeleni ufikelele umgangatho "wokukhutshelwa ngaphandle kweqanda".
Inkqubo yokucoca isiphelo samanzi amdaka ekhemikhali yamalahle ikakhulu ibandakanya la manyathelo alandelayo: utywala obuxubeneyo obuphezulu betyuwa bukhutshwa kwi-front evaporation system crystallization system ukuya kwitanki yokugcina ukuya kwisixhobo sokumisa ngempompo;utywala obuxubeneyo betyuwa buhlala bufudumala ngokufudumeza (umphunga wamanzi okanye umoya oshushu), ukufuma kwityuwa ye-inorganic kunye nezinye izinto ezingcolileyo;i-steam yesibini ekhutshwe yi-flash ifunnwe ngesixhobo sokufunxa igesi yokukhupha, kwaye igesi yokukhupha ifanelekile.Okwangoku, izixhobo eziqhelekileyo zokomisa kwimarike sisixhobo sokomisa igubu, isomisi seharika, iketile yomphunga enye, isitshizi sentonga yesitshizi kunye ne-scraper film evaporator.
2. Intshayelelo kwizixhobo zokomisa amanzi amdaka eziqhelekileyo
2.1 Isixhobo esomisa igubu
I-drum scraper dryer sisixhobo sokumisa esifakwe kwi-cylinder ejikelezayo ngendlela yokushisa ukushisa.Ulwelo olubonakalayo kunye nesixhobo selaphu senza ifilimu ebonakalayo eludongeni olungaphandle lwegubu olujikelezayo ngesantya esithile sokujikeleza, esifudunyezwa ludonga olushushu lwesixhobo sokufudumeza (umphunga wamanzi okanye i-oyile eshushu), kunye nefilimu ebonakalayo. yomile kwaye yolulwe phantsi ngumkrwelo.
2.2 Rake-type dryer
Vacuum rake dryer yinoveli ethe tyaba intermittent vacuum isixhobo yokomisa, izinto ezimanzi ngokusebenzisa conduction evaporation, kunye scraper mixer rhoqo ukususa imathiriyeli kumphezulu oshushu, kwaye wenze umqukuqelo ojikelezayo kwisikhongozeli, ukuphuphuma kwamanzi ngempompo vacuum.I-vacuum rake dryer isetyenziswa kakhulu kwiimveliso ze-organic semi-finished kunye nomsebenzi wokomisa amafutha kwishishini lemichiza.
2.3 Umphunga omnye
Xa isisombululo siphuphuma kwi-evaporator, umphunga wesibini oveliswa yiyo awusasetyenziswa, kwaye isisombululo asisagxininisi kwi-evaporator yesibini, oko kukuthi, i-evaporator enye kuphela esetyenziselwa ukugqiba umsebenzi wokuphefumula, obizwa ngokuba yi-single- ukuphuphuma kwesiphumo.Isixhobo sokwenza umphunga sisebenzisa iketile enye yokuphuphuma komphunga yiketile yomphunga enye.
2.4 Isitshizi sosomisi
Isitshizi sokutshiza yindlela yobugcisa obucwangcisiweyo obusetyenziswa ukomisa izinto.Emva kwe-atomization kwigumbi lokumisa, ukudibana nomoya oshushu, amanzi aphuphuma ngokukhawuleza, oko kukuthi, imveliso eyomileyo.Le ndlela inokwenza ngokuthe ngqo isisombululo, i-emulsion yomile ibe yipowder okanye iimveliso ze-granular, inokugcina ukufudumala, ukutyumza kunye nezinye iinkqubo.
2.5 Khupha umphunga wefilimu obhityileyo
I-evaporator yefilimu ye-scraper yijacket ye-steam evuthayo ngaphandle kwegobolondo, exhotywe nge-scraper ejikelezayo ngaphakathi, eqhutywa yi-shaft ejikelezayo phakathi kwe-cylinder.Emva kokuba i-liquid ekrwada yongezwe ngokukrakra ukusuka kwindawo ephezulu ye-evaporator, phantsi kwe-drive of gravity kunye ne-scraper ejikelezayo, ifilimu encinci yenziwe kunye nodonga lwangaphakathi lwegobolondo.I-liquid egqityiweyo ikhutshwe phantsi, kwaye i-steam yesibini ikhutshwe kwindawo ephezulu emva kokukhupha i-foam.
Okwangoku, ezi zixhobo zokomisa zemveli azisetyenziswanga kakuhle kushishino, olungenako ukusombulula imfuno intlungu point of ityuwa exutyiweyo umama utywala omiswe, kwaye kuzisa iingxaki yokusebenza entsha kubathengi abasebenzayo, ezifana: abakwazi ukoma;izinga eliphezulu lokungaphumeleli kwezixhobo, kulula ukukhubazeka;ukucocwa rhoqo, imeko-bume yococeko ekwisiza;kunye nokusebenza kakuhle kokulahla kuphantsi.Iziphumo ezihambelanayo zophando lwemarike zibonisa ukuba umthamo wokusebenza kwezixhobo ungaphantsi kwe-30% yomthamo woyilo.Uzise ingxaki enkulu kubathengi.Ukusetyenziswa kwamandla ngokuqhelekileyo kuphezulu, iqondo lokuzenzekelayo alikho phezulu, kwaye ukungenelela komntu kuninzi.Oku kungenxa yofezekiso lwangoku olubanzi "lokusebenza ngobukrelekrele" kunye "nemizi-mveliso ekrelekrele" kushishino lwemichiza yamalahle, ngokungathandabuzekiyo ayinakuthelekiswa.
Ke ngoko, lulindelo lwazo zonke iinkqubo zokukhutshelwa kwe-zero zamanzi amdaka ekhemikhali yamalahle ukufuna isisombululo "sokusebenza okuphezulu, okukrelekrele" kunye nokomisa ngokupheleleyo "kumanzi amdaka ekhemikhali yamalahle.
3. Ukhuseleko lokusingqongileyo lwe-WSD isixhobo sokomisa ulwelo lukamama oluxhonywe kwiskid
Ukuze kulungiswe ingxaki yokukhutshwa kwe-zero yamanzi amdaka etyuwa exutywe kwishishini lemichiza yamalahle, i-WSD yoKhuseleko lweNdawo izinikele kwiminyaka emininzi yophando kunye nolutsha, kwaye yaphuhlisa isixhobo esisebenzayo nesizinzileyo se-skid-enyuswe kwiqondo lobushushu eliphantsi le-crystallization isixhobo.Ukuthatha unyango lwemihla ngemihla lwe-5000L oluphezulu oluxubeneyo oluxubeneyo lwetyuwa lolwelo njengomzekelo, oku kulandelayo luthelekiso phakathi kwezixhobo zokomisa zemveli kunye nekristali entsha yobushushu obuphantsi obuphantsi:
Iimpawu zesixhobo sokomisa ulwelo lukamama
Isixhobo sixhonywe ngokutyibilika kunye noyilo oluyimodyuli, olunokuqonda ukomiswa kotywala betyuwa obuyingxubevange ngowona mgangatho mkhulu, kwaye isiphumo samanzi amdaka silungile, akukho lungcoliseko lwerhasi, ungcoliseko lobushushu kunye nezinye izinto.Ngexesha elifanayo, inkqubo yokulawula ngokuzenzekelayo, kunye neempawu zokukhutshwa ngokuzenzekelayo, ukucoca ngokuzenzekelayo, ulawulo lweqonga lezixhobo zefu njalo njalo.
Ngaphambi kokucoca
Iimeko zokusebenza zeyunithi: Iqondo lokushisa leetyholo ezithwalayo liyaguquguquka, kwaye ukuguquguquka kuqina emva kokuzalisa malunga neelitha ezingama-300 zophawu lwangaphandle lweoli enyityilisiweyo.Emva kwencopho nganye, iqondo lokushisa liyehla, kwaye emva koko liphakame ngokutshintshana, likhubeka ngokuphindaphindiweyo, libangela ukuba iyunithi ingaphumeleli ukusebenza ngokuqhelekileyo.
Itshathi equkuqelayo yenkqubo yokomisa utywala kumama we-WSD
▲ iphepha lokuhamba kobunjineli
I-WSD yokhuseleko lokusingqongileyo ilahleko yeekhemikhali zamanzi amdaka "zero discharge" itshathi yokuhamba kwesisombululo
Phakathi kuDisemba ka-2018, iyunithi yethu yokususa ivanishi yenkampani yakhethwa.Esi sixhobo sasetyenziswa ngaphantsi kweeyure ezingama-24, kwaye le nto yokuguquguquka kobushushu yathotywa.Iqondo lobushushu lehla laya kutsho kuma-85°C ngaphantsi kwenyanga, kwaye ubushushu besixhobo buzinzile ukuza kuthi ga ngoku.Umsebenzi ugcinwe malunga ne-80 ° C, oye wasombulula iingxaki ezinkulu zabathengi.Ngo-Agasti ka-2019, umthengi wasebenzisa iiseti zethu ezimbini zokususa ivanishi kwakhona kwezinye iiyunithi ezimbini eziphambili.
imeko eqhelekileyo
Umthengi ngumbane wesizwe kunye nesiseko soshishino lwemichiza amashishini angundoqo.Izixhobo ze-MVR zesixhobo sokuqala sokuyilwa kwekristallisation evaporation ayinayo inkqubo esecaleni, kwaye inkqubo yokomisa ulwelo lukamama ayilwanga, nto leyo ekhokelela ekujikelezweni okuqhubekayo kolwelo lukamama kulwelo lukamama kwinkqubo, okukhokelela ekutyebiseni izinto ezingcolisayo kunye nenkqubo yokumisa ulwelo. Ulwelo lukamama alunakunyangwa ngokufanelekileyo.Umthengi entsha skid-inyuswe umzali isixhobo esomisa utywala (umthamo processing iitoni 70 / ngosuku), inkqubo yobushushu eliphantsi crystallization umphunga, esetyenziselwa inkqubo yamalahle imichiza inkqubo MVR evaporation crystallization inkqubo yotywala umzali ityuwa yangaphandle, hayi kuphela ngempumelelo ukusombulula umthengi zero ukukhutshwa. inkqubo yethekhnoloji yesiphelo sengxaki yengxaki, ngokunjalo kukhuseleko lokusingqongileyo lwengingqi, ukongiwa kwamanzi kunye nophuhliso oluzinzileyo kubaluleke kakhulu.Ukhuseleko lokusingqongileyo lwe-WSD lunceda abathengi ukuba basombulule ingxaki yonyango lwesiphelo samanzi amdaka anetyuwa eninzi, bafumane ityuwa eqinileyo yekristale, kwaye baqonde eyona ndawo yokwenyani yokukhutshwa kwamanzi anetyuwa eninzi kwishishini lemichiza yamalahle.
I-Kunshan WSD Environmental Protection Equipment Co., Ltd. yasekwa ngo-2009, lishishini lobugcisa obuphezulu kwiPhondo laseJiangsu, iziko lophando lobunjineli bobunjineli bobuchwephesha benkunkuma yamanzi amdaka, linceda amashishini ukuba avule "ikhilomitha yokugqibela" yokukhutshwa kwamanzi amdaka.
Ngeminyaka yophando kunye nophuhliso kunye nokuveliswa kwezinto ezintsha, inamalungelo awodwa omenzi angaphezulu kwe-150, ngokukodwa kunyango lweshishini lemichiza yamalahle, ishishini lemichiza elungileyo, ishishini lemichiza elungileyo kunye nenkunkuma enobungozi, iimeko ezingama-600 + zesizwe zakudala, amandla okusebenza kwezixhobo eziqokelelweyo ezingama-961,884 iitoni / ngonyaka, kunye nokulawulwa kokulahlwa kunye nomthamo wokusebenza we-100,000 yeetoni / ngonyaka.
Ngokusondeleyo kwiimfuno zabathengi, i-WSD inokubonelela abathengi ngeenkonzo zokucocwa kwamanzi amdaka, kubandakanya uphando lwemeko yokusebenza, uhlalutyo lwemithombo yeendaba, inkxaso yokuthengisa kwangaphambili, uphando kunye nophuhliso, ukuvelisa, ukufakwa, ukuthunyelwa, ukuhanjiswa, inkxaso emva kokuthengisa ukulandelelwa ngokuqhubekayo. inkqubo yenkonzo ebanzi yetsheyini yonke.
Ixesha lokuposa: Sep-27-2023