1. Imeko yangoku yokusetyenziswa kobutyebi be-slag yensimbi:

I-steel slag powder sele ifakwe kumgangatho wesizwe njengomxube wesamente.Inani elikhulu leemvavanyo ezithelekisayo libonise ukuba: Xa indawo ethile yendawo ye-steel slag powder ingaphezulu kwe-420m2 / kg, umsebenzi wayo ufana ne-blast furnace slag.Ukuxutywa komxube we-slag powder kunye nomgubo we-slag akunakuphucula ngakumbi umlinganiselo we-slag powder kwi-composite powder, kodwa ukwandise ukutshintshwa komgubo odibeneyo kwisamente ngesiseko sokuqinisekisa ukusebenza kwekhonkrithi, ukuze uqhube phambili. ukunciphisa iindleko zokulungiselela ikhonkrithi.Kunokunciphisa ngokucacileyo ukuguqulwa kwe-shrinkage ye-binder kunye nokuphucula ukuchasana kokuqhekeka kwe-binder.Oku kubonisa ukuba iimveliso zensimbi ze-slag zinethemba elihle lokuthengisa.Okwangoku, ukuzinza kwevolumu ye-slag yensimbi kuncitshiswa ngenxa yobukho be-CaO kunye ne-MgO yamahhala.Umxholo ophezulu we-iron oxide wandisa ubunzima bokugaya, ukusetyenziswa kwamandla aphezulu kwi-toni ye-slag powder, kunye nobunzima bokucubungula i-steel slag powder.Ngoko ke, umthamo wentengiso ye-steel slag powder market incinci, eyenza ukuba i-steel slag powder ibe yimarike ekhulayo ukuba iphuhliswe.

2. ukuxuba ikhonkrithi kunika indawo yokusetyenziswa kwe-ultrafine steel slag yokusila:

Ukuxubana okusembindini wekhonkrithi lutshintsho olukhulu kwindlela yokuvelisa iiprojekthi zokwakha, kwaye umlinganiselo wezicelo zekhonkrithi ezisele zixutyiwe uphawula inqanaba lemveliso yekhonkrithi kwilizwe.Uqheliselo lubonisa ukuba ukusetyenziswa kwekhonkrithi esele ixutyiwe kunokunyusa imveliso yabasebenzi ngaphezu kokuphindwe kabini, ukonga isamente 10% ~ 15%, ukunciphisa iindleko zeprojekthi malunga ne-5%, kwaye kunokuqinisekisa umgangatho weprojekthi, ukonga umhlaba wokwakha, ukunciphisa ungcoliseko lothuli, ukuze ukufezekisa ukwakhiwa okuluhlaza.Ukuphuhliswa kwekhonkrithi yezorhwebo kukhuthaza ukuphuhliswa kwemveliso ye-slag powder kunye nokwandisa imarike yeemfuno ze-slag powder.Iplanti yokuxuba esele ixutyiwe yaseTshayina yasekwa ngeminyaka yoo-1980, ekuqaleni eShanghai, eJiangsu nakwezinye iindawo, ngenxa yokwanda okuqhubekayo kwesikali sokwakha, ngakumbi ngenxa yophuhliso olukhawulezayo lolwakhiwo lwezixeko ezikunxweme olusemzantsi-mpuma, ludityaniswa ne uthotho lwemigaqo-nkqubo exhasayo kunye namanyathelo athatyathwe ngabasemagunyeni bokwakha, ukuze ikhonkrithi esele ixutyiwe yesixeko inyuke nge-15% ngonyaka.Ngenxa yokuba ixabiso le-slag kunye ne-slag yensimbi iphantsi kwe-samente, ikhonkrithi exutywe ne-slag kunye ne-slag yensimbi inoqoqosho kwaye ifanelekile ukusetyenziswa kwikhonkrithi yorhwebo exutywe kakhulu.Ikhonkrithi eyenziwe ngokuxuba i-slag kunye ne-slag yensimbi kunye ne-samente, ilitye kunye nesanti ephuzi ineenzuzo zamandla aphezulu emva kwexesha, ukushisa okuphantsi kwe-hydration, ukunyanzeliswa kakuhle kokugqoka kunye nokunyanzeliswa kokubambisana okuphezulu kunye nemivalo yensimbi.Ilungele ngokukodwa izakhiwo eziphakamileyo, i-DAMS, izikhululo zeenqwelo-moya, iziseko ezinkulu ezinzulu kunye neeprojekthi eziphantsi kwamanzi.Okwangoku, ikhonkrithi yamandla aphezulu kakhulu ilungiswa ngokuxutywa kwe-silica ash kunye ne-agent ephezulu yokunciphisa amanzi, kodwa ukungabikho kwe-silica ash ekrwada kunye ne-agent ephezulu yokunciphisa amanzi kubiza kakhulu, okukhokelela kwixabiso eliphezulu lekhonkrithi.Ngeemfuno eziphezulu kunye neziphezulu zeempawu zekhonkrithi kwiiprojekthi ezikhethekileyo ezinkulu, ukunyuka kwemfuno yekhonkrithi yezorhwebo kuye kwavula imarike ebanzi yokusetyenziswa ngokubanzi kwe-slag kunye ne-steel slag powder.Ukuqonda kwabantu iimpawu ze-slag kunye ne-steel slag powder, into entsha yokwakha, nayo inzulu.Ngokukhuthazwa kunye nokusetyenziswa kwekhonkrithi yezorhwebo kweli lizwe kunye nokuphunyezwa kwemigangatho yelizwe enxulumene ne-slag kunye ne-steel slag powder iimveliso, kunye nokuphunyezwa kwemigaqo-nkqubo efana nokuthintela ngokungqongqo ukuxuba ikhonkrithi kwiindawo zokwakha kwiindawo zasezidolophini, imarike ye-slag kunye nentsimbi. I-powder ye-slag iya kuba nkulu kwaye ibe nkulu, kwaye ukusetyenziswa kwayo kuya kutsala ingqalelo ngakumbi nangakumbi.

3. inkqubo yokulungiselela kunye nezixhobo ze-steel slag micro-powder yokugaya ngokuthe nkqo iye yathandwa kwaye yasetyenziswa.

Okwangoku, iteknoloji yokugaya i-vertical grinding isetyenziselwa ukugaya i-steel slag micro-powder kunye nokuvelisa iimveliso ezithatha indawo ye-cement clinker ene-energy, eyeyeteknoloji yokuvelisa phambili kwishishini.Kwixesha elidlulileyo, ngokuqhelekileyo i-slag, i-slag yensimbi kunye ne-cement clinker, i-gypsum, njl.Ngenxa ye-grainability engalunganga ye-slag kunye ne-slag yensimbi, ukugaya akukwazi ukucolwa kakhulu xa kuxutywe ne-samente clinker, ukusebenza kwayo akunakuphuhliswa ngokupheleleyo, kwaye ubungakanani kunye nokusetyenziswa kwe-slag kunye ne-slag yensimbi kulinganiselwe kwinqanaba elithile.Ekulungiseleleni i-ultrafine powder kwi-slag yensimbi yodwa, i-Jiangsu iron kunye namashishini ensimbi ahamba phambili.Amashishini entsimbi aliqela amelwe yiChangzhou Zhongtian Iron kunye neNsimbi azakhele imigca yemveliso ekhethekileyo yentsimbi ethe nkqo yokusila.Njengomenzi wesixhobo sokusila esithe nkqo sentsimbi, oomatshini beHCM babonelela ngenkxaso yobuchwephesha kwindlela yokusila yentsimbi ye-ultrafine kunye nesixhobo sokusila esithe nkqo.Iimpawu zayo zobugcisa ikakhulu le miba ilandelayo: ukukhethwa kwelitye lokusila elithe nkqo lokusila umgubo we-slag, kunye nobuchwepheshe obuphezulu, imveliso ethembekileyo, iimpawu eziphezulu zemveliso yabasebenzi, kunye nelitye elithe nkqo ukuvelisa itoni yendawo ethile ye-400m2 / kg ~ 500m2 / kg. i-slag, i-steel slag powder, kunemveliso yebhola yemveli yobunzima obufanayo bombane wokonga umbane 30% ~ 50%;I-powder ecocekileyo ye-slag kunye ne-slag yensimbi ixutywe ngokuthe ngqo kwikhonkrithi, egcina inani le-samente kwaye ngaloo ndlela igcina ukusetyenziswa kwamandla kwimveliso yesamente.I-Slag, inkqubo ye-slag yensimbi yokugaya, inokulungelelanisa ngokuguquguqukayo ukucolwa kweemveliso ngokweemfuno zemarike.Ngokunyuka kokongezwa kwe-slag kunye ne-slag yensimbi kwikhonkrithi, ukushisa kwe-hydration kunye nomxholo wamacandelo anobungozi bekhonkrithi kunokunciphisa, okwenza iimeko ezifanelekileyo zokuphucula ukusebenza kwekhonkrithi kunye nokusetyenziswa kwamandla aphantsi.I-slag yentsimbi igutyungelwa ngumgubo wokusila ngokuthe nkqo, kwaye izinto zigutyungelwa kwindawo efumileyo kwiqondo lobushushu eliphezulu (100℃ ~ 300℃).Uninzi lwe-calcium oxide yasimahla kunye ne-magnesium oxide yasimahla kwi-steel slag micro-powder ifakwe emanzini kwi-calcium hydroxide esebenzayo kakhulu kunye ne-magnesium hydroxide.Ukongezelela, ngenxa yokufakwa kwe-slag kunye ne-slag yensimbi kwikhonkrithi, ukuphendulwa kwe-alkali aggregate kunokunciphisa ngokufanelekileyo, i-micro-cracks yekhonkrithi inokuthintelwa, kwaye ubomi bezakhiwo bunokwandiswa.Ngoko ke, ikhonkrithi exutywe kunye ne-slag powder yamkelwa ngushishino lokwakha kwiipropati zayo ezizodwa.Ukugaya i-slag yensimbi yodwa ingasetyenziselwa njengemveliso yemveliso yekhonkrithi kunye nokuxuba ngokweemfuno zemarike, kwaye inokulungelelaniswa ngokwesidingo sokulungelelanisa ukucolwa kunye nokuxuba ubungakanani obulungiselelwe kwisamente yokuthengisa.

Iron and steel enterprises can take advantage of the existing regional location of steel mills, and the source of raw materials is fully guaranteed; The steel mill has advanced and strict scientific management experience, and has experienced technical team and staff team, which provides the guarantee of organization, technology and production management for the implementation of the project and market development; Steel plant power supply, water supply source reliable, convenient transportation, good cooperation conditions, construction conditions are very superior. To sum up, the construction of steel slag micro-powder projects in iron and steel enterprises can not only turn waste into treasure, improve the added value of steel making, create considerable economic benefits for iron and steel enterprises, but also protect the environment, in line with the policy direction of steel and cement industry structural adjustment. The development of steel enterprises layout steel slag powder project is a good thing to benefit the country and the people, has a broad future and is of great significance, and will play a positive role in promoting the construction of "waste free city" and promoting the sustainable development of the steel industry. If you have ultrafine steel slag grinding project needs, welcome to leave a message:hcmkt@hcmilling.com