Ukususwa kwe-Gypsurunization kuyinto i-gypsum yomkhiqizo yezezimboni etholwe yi-deselfurizing kanye nokuhlanza igesi ebikhiqizwa ngemuva kokuhlanganiswa kwamafutha esibabule nge-lime-lime. Ukwakheka kwalo kwamakhemikhali kuyafana nalokho kwemvelo ye-dihydrate gypsum yemvelo, ikakhulukazi i-Cato4 · 2h2o. Njengamanje, indlela yezwe lesizukulwane sezwe lami isabuswa amandla kagesi amalahle, kanye ne-SO2 ekhishwa ngamalahle ekwenzeni ama-Akhawunti we-Thermal Power Generation angaphezu kwama-50% okukhishwa kwaminyaka yonke kwezwe lami. Inani elikhulu le-Sulphur Dioxide Emission lidale ukungcoliswa okukhulu kwemvelo. Ukusetshenziswa kobuchwepheshe begesi ye-flue dessulfurization ukukhiqiza i-gypsurumided deselsurized kuyindlela ebalulekile yokuxazulula intuthuko yezobuchwepheshe yemikhakha ehlobene namalahle. Ngokusho kwezibalo ezingaphelele, ukuphuma kwe-gypsurum emanzi endaweni yami kudlule i-90 million t / a, futhi indlela yokucubungula ye-gypsururid deselsurized ihlanganiswe kuphela, kepha idala kuphela umhlaba, kodwa futhi ibangela ukungcola okukhulu kwezinsizakusebenza.
I-Gypsum inemisebenzi yesisindo esikhanyayo, ukuncishiswa komsindo, ukuvikela umlilo, ukufakwa komlilo, njll. Ingasetshenziswa ekukhiqizeni ngokonga, ukukhiqizwa kwe-gypsum yokwakha kanye nezinye izinkambu. Njengamanje, izazi eziningi ziye zacwaninga ngodaka oluphambayo. Ucwaningo lukhombisa ukuthi izinto zokuphakelwa kodaka zinokunwetshwa okuncane, ukusebenziseka okuhle kanye ne-plastiki, futhi kungathatha isikhundla sezinto zokufaka izintambo zokuhlobisa odongeni lwasendlini. Izifundo ezenziwa nguXu jianjun nabanye bakhombise ukuthi i-gypsum esetshenziselwe ukusetshenziselwa ukwenza izinto zodonga ezingasindi. Izifundo Nguwe Beihong nabanye bakhombisile ukuthi i-gypsum edalulwa ekhiqizwa yi-gypsurum esetshenzisiwe ingasetshenziselwa ungqimba olungaphakathi kodonga lwangaphandle, udonga oluhlukanisayo nophahla, futhi lungaxazulula izinkinga zekhwalithi ezivamile ezinjenge-shelling kanye nokuqhekeka kwe udaka lokufaka okomdabu. I-Gypsum engasindi elikhanyayo uhlobo olusha lwento yokufaka enobungane bemvelo. Kwenziwe nge-hemihydrate gypsum njengezinto eziphambili zokokhethi ngokungeza ama-aggregate angasindi kanye nama-admixture. Uma kuqhathaniswa nezinto zokufaka usimende wendabuko, akulula ukuqhekeka, zinamathele ukubopha okuhle, ukugcwala okuhle, ukuvikelwa okuluhlaza kanye nokuvikelwa kwemvelo. Ukusetshenziswa kwe-gypsururid depysurized ukukhiqiza i-hemihydrate gypsum akugcini nje ngokuxazulula inkinga yokuntuleka kwezinsiza zokwakha zemvelo ze-gypsum, kodwa futhi kubona ukusetshenziswa kwezinsizakusebenza kwe-gypsurum esetshenzisiwe futhi kufezekisa inhloso yokuvikela imvelo yemvelo. Ngakho-ke, ngokususelwa esifundweni se-gypsurum esetshenzisiwe, leli phepha livivinya isikhathi sokusetha, amandla aguqukayo namandla acindezelayo, ukutadisha izici ezithinta ukusebenza ngodaka lokuphamba okukhanyayo kwesisindo, futhi unikeze ngesisekelo se-theory ukuze kuthuthukiswe ukukhanya- Isisindo sokuphamba u-gelsurization gypsururization ngodaka.
1 Isivivinyo
1.1 Izinto ezingavuthiwe
Ukususwa kwe-gypsururization gypsum powder: I-hemihydrate gypsum ekhiqizwa futhi ifakwe yi-flue gesi dessulfurization Technology, i-aggreties yayo eyisisekelo ikhonjiswa kuThebula 1. Kusetshenziswa ama-microbeads awo atholakalayo, futhi ama-microbeads awo abonisiwe ahlanganiswa ngezilinganiso ezi-4 I-%, 8%, i-12%, no-16% ngokuya ngesilinganiso esikhulu sohlobo olubekwe ngodaka lwe-gypsuri olwenziwe nge-gypsurive.
I-Retarder: Sebenzisa i-sodium citrate, ukuhlaziya amakhemikhali okuhlanzekile kwe-reagent, i-sodium citrate kususelwa ekulinganiselweni kwesisindo sodaka lokufakelwa kosuku lokuhlaselwa kwe-gypsurization, kanye nesilinganiso sokuxubana kungu-0,2%, 0.3%.
I-Cellulose Ether: Sebenzisa i-Hydroxypropyllylylyl (HPMC), i-viscosity ingu-400, i-HPMC isuselwa ku-Isisindo se-Gitterios ngo-gtare olungiselelwe i-gypsurized ngo-gypsurized udaka, futhi isilinganiso sokuxuba singu-0, 0.1%, 0.4%.
1.2 Indlela yokuhlola
Ukusetshenziswa kwamanzi kanye nokusetha isikhathi sokuvumelana okujwayelekile kwe-gypsurum ehlehlisiwe kubhekiswe ku-GB / T17669.4-1999 "Ukufakwa kodaka oluhlaza odonswayo lwe-gpssuring" Ngo-2012 "kwenziwa ama-gypsum".
Amandla aguqukayo nawokucindezela ama-gypsurum asusiwe aqhutshwa ngokusho kwe-GB / T9776-2008 "yokwakha i-gypsum", kanye nezinhlamvu ezinosayizi we-40mm × 40mm x 160mm zilinganiswe ngokulandelana. Amandla aguqukayo futhi acindezelayo afakwe ku-gypsuring ngohlobo olukhanyayo lwe-gypsurized ngodonga ngokusho kwe-GB / T 28627-2012 "ama-gypsum" wokuphulukisa okungokwemvelo we-1D ne-28D alinganiswa ngokulandelana.
Imiphumela emi-2 Nengxoxo
2.1 Umphumela wokuqukethwe kwe-gypsum powder kwizakhiwo zemishini ze-gypsururization ekhanyayo
Inani eliphelele le-gypsum powder, i-limestone powder kanye nokuhlanganiswa okulula kuyi-100%, kanye nenani lokuhlanganiswa okukhanyayo nokuhlanganiswa okuguquliwe kuhlala kungashintshiwe. Lapho inani le-gypsum powder lingama-60%, 70%, ama-80%, nama-90%, ukufunwa kwemali kwemiphumela yamandla we-gypsum.
Amandla aguqukayo namandla acindezelayo wokukhanyisa udaka ngodaka olukhuphukile womabili olwenyuka nobudala, okukhombisa ukuthi izinga le-hydration le-gypsum liyanele ngokwengeziwe ngeminyaka. Ngokunyuka kwe-gypsurum ye-gypsurum ehlehlisiwe, amandla aguqukayo namandla acindezelayo akwa-gypsum alula Eminyakeni ye-1D, amandla aguqukayo we-gypsum powder ehlanganiswe ne-90% akhuphuke ngo-10,3% uma aqhathaniswa ne-60% gypsum powder, futhi amandla ahambisanayo acindezelwe anyuswe ngo-10.1%. Eminyakeni engu-28, amandla aguqukayo we-gypsum powder ehlanganiswe ne-90% akhuphuke ngo-80% uma iqhathaniswa ne-gypsum powder exutshwe nama-60%, futhi amandla ahambisanayo anciphisayo anyuswe ngo-2.6%. Ukufingqa, kungaphethwa ngokuthi inani le-gypsum powder linomthelela othe xaxa emandleni aguqukayo ukwedlula amandla acindezelayo.
2.2 Umphumela Wokuqukethwe okulinganiswe okulula kwezindawo ezisetshenziswayo zezakhiwo ezisindiwe ezisindile ezifuywayo
Inani eliphelele le-gypsum powder, i-limestone powder kanye nokuhlanganiswa okulula kuyi-100%, futhi inani le-gypsum powder elungisiwe nokuhlanganiswa kuhlala kungashintshiwe. Lapho inani lama-vitrofied microbeads lingu-4%, 8%, 12%, no-16%, imiphumela yocingo olukhanyayo luba khona ngamandla aguquguqukayo nangokucindezela kodaka lwe-gypsurized.
Ngasesikhathini esifanayo, amandla aguqukayo namandla acindezelayo wokukhanyisa okulungiselelwe udaka oluhlaza odonswa ngodaka lwe-gypsurized ngokwanda kokuqukethwe kwe-vitrified microbeads. Lokhu kungenxa yokuthi iningi lama-microbeads avikelekile anesakhiwo esingenalutho ngaphakathi futhi amandla abo aphansi, anciphisa amandla aguqukayo nawokucindezela ngodaka lwe-gypsum olungasindi. Eminyakeni eyi-1D, amandla aguqukayo angu-16% we-gypsum powder ancishisiwe ngo-35.3% uma kuqhathaniswa ne-4% gypsum powder, futhi amandla ahambisanayo ancishiswa ngu-16,3%. Eminyakeni engu-28, amandla aguqukayo angu-16% we-gypsum powder ancishiswa ngo-24.6% uma aqhathaniswa ne-4% gypsum powder, ngenkathi amandla ahambisanayo acindezelwa ancishiswa kuphela ngo-6.0%. Ukufingqa, kungaphethwa ngokuthi umphumela wokuqukethwe kwamagciwane avikelekile emandleni aguqukayo mkhulu kunalokho emandleni acindezelwe.
2.3 Umphumela wokuqukethwe kwe-retarder ekubekeni isikhathi sokukhanya kwe-gypsururid gypsurum
Umthamo ophelele we-gypsum powder, i-limestone powder kanye nokuhlanganiswa okulula kuyi-100%, kanye nomthamo we-gypsum powder ehleliwe, i-limestone powder, i-cellulose exher ihlala ingashintshiwe. Lapho umthamo we-sodium citrate ngu-0, 0.1%, u-0.2%, 0.3%, ukusetha imiphumela yesikhathi sodaka lwe-gypsuri olwenziwe ngodaka.
Isikhathi sokuqala sokusetha nesikhathi sokugcina sokugcina sokudla okulungiselelwe udaka ngodaka olukhuphukile womabili ngokwanda ngokuqukethwe kwe-sodium citte, kepha ukwanda kwesikhathi kuncane. Lapho okuqukethwe kwe-sodium citrate kungu-0,3%, isikhathi sokuqala sokusetha sidlula ama-28min, futhi isikhathi sokugcina sokugcina saqhubeka isikhathi ngo-33min. Ukunwetshwa kwesikhathi sokusetha kungahle kube ngenxa yendawo enkulu engaphezulu ye-gypsurum esetshenziselwe izinhlayiya ze-gypsum, ngaleyo ndlela kunciphise izinga lokuchithwa kwe-gypsum futhi kuvimbela ukuhluleka kwe-gypsum, okuholela ekungathembekeni kwe-gypsum slurry ukwakha uhlelo oluqinile lwesakhiwo. Yelula isikhathi sokubekwa kwe-gypsum.
2.4 Umphumela we-cellulose ether okuqukethwe kwizakhiwo zemishini ze-gypsurum engasindi
Umthamo ophelele we-gypsum powder, i-limestone powder kanye nokuhlanganiswa okulula kuyi-100%, kanye nomthamo we-gypsum powder elimisiwe, i-limestone powder, i-aggregader engasindi futhi i-restaarder ihlala ingashintshiwe. Lapho umthamo we-hydroxypropylllylylylys u-0, 0.1%, 0.2% no-0.4%, imiphumela yamandla yamandla eguquguqukayo neyokucindezela udaka ngodaka olubekiwe lwe-gypsurive.
Esikhathini esingu-1D, amandla aguqukayo okukhanya okulungiselelwe udaka ngohlobo lwe-gypsurized akhuphuke kuqala bese wehla ngokwanda kwe-hydroxypropylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylylloose methylcellulose; Esikhathini seminyaka engama-28D, amandla aguqukayo okukhanya ahlelwe ngodaka lwe-gypsuri asuswayo ekwandisweni kokuqukethwe kwe-hydroxypropylllylylylylylylylyllyllose, amandla aguqukayo akhombise umkhuba wokuncipha kokuqala, bese ekhuphuka. Lapho okuqukethwe kwe-hydroxypropyllllylyly methylcellose kungu-0,2%, amandla aguqukayo afinyelela phezulu, futhi adlula amandla ahambisanayo lapho okuqukethwe kwe-1D noma ama-clelsive of specis ahlelwe ngohlobo lwe-gypsurized Ukwanda kokuqukethwe okuqukethwe kwe-hydroxyproppropyllylylylylyllop, kanye nomkhuba ohambelana nokwehla kusobala kakhulu ku-28D. Lokhu kungenxa yokuthi i-cellulose ether inomphumela wokugcinwa kwamanzi nokuqina, futhi isidingo samanzi sokuvumelana okujwayelekile sizokwanda ngokwanda kwesilinganiso se-cellulose ether, ngaleyo ndlela sinciphise amandla ye-gypsum specimen.
3 Isiphetho
(1) Izinga le-hydration le-gypsurized desulfurized liyanele ngokwengeziwe ngeminyaka. Ngokukhuphuka kokuqukethwe kwe-gerumfurfised powder, amandla aguqukayo futhi acindezela ama-gypsum angasindi akhombisa ukuthambekela okuphezulu, kepha ukwanda kwakukuncane.
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Isikhathi sePosi: FEB-02-2023