1. Kuyimitsidwa kwa ndondomeko, mapulojekiti atsopano amagetsi a malasha ayenera kukwaniritsa ziro
Makampani amagetsi a malasha akugwiritsa ntchito malasha ngati zinthu zopangira, kudzera mukupanga mankhwala kuti apange malasha kukhala gasi, madzi, mafuta olimba komanso njira zama mankhwala.Gulu lamakampani amafuta a malasha amakampani azikhalidwe zamakemikolo a malasha ndi mafakitale atsopano amafuta a malasha.Traditional malasha makampani mankhwala anawagawa kupanga ammonia, urea, methanol, methanol, asidi acetic, calcium carbide, acetylene zotumphukira, etc.;latsopano malasha mankhwala makampani monga malasha kwa mafuta, malasha ku gasi, malasha kuti olefin, malasha kuti dimethyl etha, etc. New malasha mankhwala polojekiti kupanga ndi kumanga chilengedwe chilengedwe ndi mphamvu mgwirizano chitukuko monga nyimbo yaikulu, koma latsopano malasha mankhwala makampani. ndi kuchuluka kwa madzi, kugwiritsa ntchito madzi komanso kutulutsa kwamadzi onyansa ndikokwera kwambiri, ntchito yapano yaku China yamagetsi yama malasha imapanga pafupifupi matani 117 miliyoni amadzi onyansa chaka chilichonse, mafuta a malasha, malasha kupita ku olefin ndi gasi wamagetsi wamagetsi amamwa madzi pafupifupi 10,27,6 t motsatana, choncho pulojekitiyi nthawi zambiri imagawidwa m'magawo olemera a malasha ndi madzi.Choncho, kugwiritsidwa ntchito mopitirira muyeso ndi kuwonongeka kwa madzi kumatengedwa kuti ndilo vuto lalikulu kwambiri la chilengedwe lomwe makampani amagetsi amakumana nawo.
Boma lalimbitsanso mfundo zokhetsera madzi oyipa pamapulojekiti atsopano amafuta a malasha, zomwe zimafuna kuti madzi akuwonongeka apitirire 95% ndikukwaniritsa mulingo wa "zero discharge".
The njira mankhwala mapeto a malasha mankhwala otayidwa madzi makamaka zikuphatikizapo masitepe zotsatirazi: mkulu wosanganiza mchere mowa kutulutsidwa kutsogolo evaporation crystallization dongosolo kuti thanki yosungirako ndi kuyanika zipangizo kudzera mpope;mowa wosakaniza wamchere umatenthedwa mosalekeza ndi chotenthetsera chotenthetsera (nthunzi yamadzi kapena mpweya wotentha), chinyontho mumchere wosakhazikika ndi zonyansa zina;Nthunzi yachiwiri yomwe imatulutsidwa ndi kung'anima imalowetsedwa kudzera mu chipangizo cha mpweya wotulutsa mpweya, ndipo mpweya wotulutsa mpweya umayenerera.Pakali pano, zida zoyanika zachikhalidwe pamsika ndi zowumitsira ng'oma, chowumitsira chowumitsa, ketulo imodzi ya nthunzi, chowumitsira tower tower dryer ndi scraper film evaporator.
2. Chidziwitso cha zida zanthawi zonse zowumitsa madzi zonyansa
2.1 Drum scraper dryer
Drum scraper dryer ndi chipangizo chowumitsa chomwe chimamangiriridwa pa silinda yozungulira ngati njira yoyendetsera kutentha.Madzi amadzimadzi ndi chipangizo cha nsalu chimapanga filimu yakuthupi pakhoma lakunja la ng'oma yozungulira pa liwiro linalake lozungulira, lomwe limatenthedwa ndi khoma lotentha la ng'oma yotentha (nthunzi yamadzi kapena mafuta otentha), ndipo filimuyo ndi zouma ndi kukwapula pansi ndi chopala.
2.2 Chowumitsira mtundu wa Rake
Vacuum rake dryer ndi chowumitsira chowumitsa chovundikira chapakatikati, chonyowa pogwiritsa ntchito evaporation, chophatikizira chosakaniziracho chimachotsa zinthuzo pamtunda wotentha, ndikupanga kumayenda mozungulira mumtsuko, kusungunuka kwamadzi ndi pampu ya vacuum.Vacuum rake dryer imagwiritsidwa ntchito kwambiri pazinthu zomwe zatha komanso kuyanika mafuta pamakampani opanga mankhwala.
2.3 Sitima imodzi yokha
Yankho likatuluka mu evaporator, nthunzi yachiwiri yomwe imapangidwa ndi iyo sigwiritsidwanso ntchito, ndipo yankho silimayikidwanso mu evaporator yachiwiri, ndiye kuti, evaporator imodzi yokha imagwiritsidwa ntchito kumaliza ntchito ya evaporation, yomwe imatchedwa single- zotsatira evaporation.Zida zotulutsa mpweya pogwiritsa ntchito ketulo imodzi yotulutsa mpweya ndi ketulo imodzi ya nthunzi.
2.4 Utsi Wowumitsira
Chowumitsira utsi ndi njira yaukadaulo mwadongosolo yomwe imagwiritsidwa ntchito poyanika zakuthupi.Pambuyo pa atomization mu chipinda chowumitsira, pokhudzana ndi mpweya wotentha, madzi amatuluka mofulumira, ndiko kuti, mankhwala owuma.Njira imeneyi mwachindunji kupanga yankho, emulsion youma mu ufa kapena granular mankhwala, angapulumutse evaporation, kuphwanya ndi njira zina.
2.5 Chopukutira filimu yopyapyala
The scraper film evaporator ndi jekete la nthunzi yotentha kunja kwa chipolopolo, chomwe chimakhala ndi scraper yozungulira mkati, yomwe imayendetsedwa ndi shaft yozungulira pakati pa silinda.Pambuyo pa zopangira zamadzimadzi zimawonjezedwa tangentially kuchokera kumtunda kwa evaporator, pansi pa kayendetsedwe ka mphamvu yokoka ndi kuzungulira scraper, filimu yopyapyala imapangidwa pamodzi ndi khoma lamkati la chipolopolo.Madzi omalizidwa amachotsedwa pansi, ndipo nthunzi yachiwiri imatulutsidwa kuchokera kumtunda pambuyo pochotsa chithovu.
Pakali pano, izi miyambo kuyanika zipangizo si bwino ntchito makampani, amene sangathe kuthetsa kufunika ululu mfundo ya wosakaniza mayi mchere mowa kuyanika, ndipo kumabweretsa mavuto ntchito ntchito makasitomala ntchito, monga: sangathe ziume;mkulu zida kulephera mlingo, zosavuta ziwalo;kuyeretsa pafupipafupi, malo opanda ukhondo pamalopo;ndipo mphamvu zonse zotayika ndizochepa.Zotsatira za kafukufuku wokhudzana ndi msika zikuwonetsa kuti kuchuluka kwa zida zogwirira ntchito ndizochepera 30% ya voliyumu yopanga.Zabweretsa mavuto aakulu kwa makasitomala.Kugwiritsa ntchito mphamvu nthawi zambiri kumakhala kokwera, kuchuluka kwa ma automation siwokwera, ndipo kulowererapo kwa anthu ndikokulirapo.Izi ndi chifukwa cha kuzindikira kwathunthu kwa "ntchito yanzeru" ndi "makampani anzeru a fakitale" yamafakitale a malasha, mosakayikira sikungafanane.
Chifukwa chake, ndikuyembekeza kwa njira zonse zotulutsira ziro zamadzi otayira amafuta a malasha kuti apeze yankho la "mphamvu kwambiri, yanzeru" komanso yowuma bwino "yamadzi otayira amankhwala a malasha.
3. WSD chitetezo chilengedwe skid-wokwera mayi wamadzi kuyanika chipangizo
Pofuna kuthana ndi vuto la zero kukhetsedwa kwa madzi otayika amchere osakanikirana m'makampani amafuta a malasha, WSD Environmental Protection yadzipereka kwazaka zambiri za kafukufuku ndi luso, ndikupanga chipangizo chogwira ntchito bwino komanso chokhazikika chokwera kutentha kwa nthunzi.Kutengera chithandizo chatsiku ndi tsiku cha 5000L chamadzimadzi osakaniza amchere monga mwachitsanzo, zotsatirazi ndizofanizira pakati pa zida zoyanika zachikhalidwe ndi kutentha kwatsopano kotsika kwa nthunzi:
Makhalidwe a chipangizo chowumitsira madzi cha mayi
Chipangizo ndi skid-wokwera ndi yodziyimira payokha kamangidwe, amene angathe kuzindikira kuyanika zosiyanasiyana mchere mayi mowa kwambiri, ndi effluent zotsatira zabwino, palibe zinyalala kuipitsidwa kwa mpweya, kuipitsidwa matenthedwe ndi zochitika zina.Pa nthawi yomweyo, dongosolo ndi kulamulira basi, ndi makhalidwe a kumaliseche basi, kuyeretsa basi, zipangizo mtambo kasamalidwe nsanja ndi zina zotero.
Asanayeretsedwe
Kagwiritsidwe ntchito ka unit: Kutentha kwa tchire kumasinthasintha, ndipo kusinthasintha kumakulirakulira pambuyo podzaza pafupifupi malita 300 amtundu wakunja wamafuta osungunuka.Pambuyo pa nsonga iliyonse, kutentha kumatsika, ndiyeno kumakwera mosinthana, kugwedezeka mobwerezabwereza, zomwe zimapangitsa kuti chipangizocho chilephere kugwira ntchito bwino.
Tchati choyenda cha njira yowumitsa mowa wa mayi wa WSD
▲ pepala loyenda laumisiri
WSD kuteteza zachilengedwe malasha mankhwala otayidwa "zero discharge" tchati otaya njira
Pakati pa Disembala 2018, gawo lochotsa varnish la kampani yathu linasankhidwa.Zipangizozi zinagwiritsidwa ntchito kwa maola osachepera 24, ndipo zochitika za kusinthasintha kwa kutentha zinachepetsedwa.Kutentha kunatsika mpaka pafupifupi 85 ° C pasanathe mwezi umodzi, ndipo kutentha kwa zipangizozo kwakhala kokhazikika mpaka pano.Ntchitoyi yasungidwa pafupifupi 80 ° C, yomwe yathetsa mavuto akuluakulu a makasitomala.Mu Ogasiti 2019, kasitomala adagwiritsanso ntchito ma seti athu awiri ochotsa varnish pamagulu ena awiri akulu.
wamba
Makasitomala ndi mabizinesi adziko lonse amphamvu ndi mankhwala oyambira.The zida MVR wa choyambirira kapangidwe evaporation crystallization chipangizo alibe dongosolo yopuma, ndi mayi madzi kuyanika ndondomeko si lakonzedwa, zomwe zimachititsa kuti mosalekeza kufalitsidwa kwa madzi madzi mayi madzi mu dongosolo, chifukwa mu kulemeretsa zoipitsa ndi madzi amadzimadzi sangathe kuthandizidwa bwino.Makasitomala watsopano skid-wokwera kholo mowa kuyanika chipangizo (processing mphamvu matani 70 / tsiku), otsika kutentha nthunzi crystallization ndondomeko, ntchito pokonza malasha mankhwala makampani MVR evaporation crystallization dongosolo lakunja mchere kholo mowa, osati mogwira kuthetsa kasitomala ziro umuna. Vuto laukadaulo laukadaulo waukadaulo, komanso kuteteza chilengedwe, kupulumutsa madzi ndi chitukuko chokhazikika ndikofunikira kwambiri.Chitetezo cha chilengedwe cha WSD chimathandiza makasitomala kuthana ndi vuto la chithandizo chamankhwala amchere amchere wambiri, kupeza mchere wolimba wa crystalline, ndikuzindikira kutulutsa kwenikweni kwamadzi amchere amchere am'makampani amafuta amchere.
Kunshan WSD Environmental Protection Equipment Co., Ltd. idakhazikitsidwa mu 2009, ndi bizinesi yapamwamba kwambiri m'chigawo cha Jiangsu, malo opangira kafukufuku waukadaulo wamadzi otayirira, kuthandiza mabizinesi kuti atsegule "kilomita yomaliza" ya kutulutsa kwamadzi onyansa.
Ndi zaka zafukufuku ndi chitukuko ndi luso, ali ndi zovomerezeka zoposa 150 zovomerezeka, zomwe zimagwiritsidwa ntchito pochiza makampani a malasha, mafakitale abwino a mankhwala, mafakitale abwino a mankhwala ndi zinyalala zowopsa, milandu 600 + ya dziko lakale, zida zowonjezereka zogwiritsira ntchito 961,884 matani / chaka, ndi kutha koyendetsedwa ndi mphamvu zogwirira ntchito za matani 100,000 / chaka.
Pafupi ndi zosowa zamakasitomala, WSD imatha kupatsa makasitomala chithandizo chamadzi otayira makonda, kuphatikiza kufufuza momwe zinthu ziliri, kusanthula media, chithandizo chaukadaulo chisanachitike, kafukufuku ndi chitukuko, kupanga, kukhazikitsa, kutumiza, kutumiza, kutsatsa pambuyo potsatsa kuti atsatire mosalekeza. dongosolo lonse unyolo mabuku utumiki.
Nthawi yotumiza: Sep-27-2023