I-Dezhou Zhongke yethula usimende wekhabhoni ephansi ukuze kutholakale ukungathathi hlangothi kwekhabhoni.

Kwadalwa ngo 07.17

I-Dezhou Zhongke yethula usimende onenkaboni ephansi ukuze kutholakale ukungathathi hlangothi kwekhabhoni.

Isingeniso: Inselele Yekhabhoni Ekukhiqizweni Kukasimende

Imboni kasimende ibangela cishe u-7% wokukhishwa kwe-CO₂ emhlabeni wonke, okwenza kube ngenye yezimboni ezinkulu kakhulu ezifaka isandla ekushintsheni kwesimo sezulu. Njengoba ohulumeni emhlabeni wonke beqinisa izinhloso zabo zokungathathi hlangothi ngekhabhoni, ingcindezi kubakhiqizi bezinto zokwakha yokunciphisa ukukhishwa kwekhabhoni ifinyelele ezingeni elingakaze libonwe. Ezinkampanini zokwakha, ukukhetha izinto ezisimeme akuseyona nje into yemvelo kodwa sekuyisidingo somthetho nesimakethe. Kulesi simo, izindaba zikasimende ziye zagxila kakhulu emikhiqizweni eyingqophamlando enganikeza kokubili ukusebenza nokusimama. I-Dezhou Zhongke New Materials Co., Ltd., inkampani yezobuchwepheshe obuphezulu eyasungulwa ngo-2003, iphendule ngosimende wayo omusha wekhabhoni ephansi onciphisa kakhulu ukukhishwa kwekhabhoni ngaphandle kokunciphisa amandla noma izindleko. Lesi sihloko sinikeza ukuhlaziywa okuningiliziwe kwezinselele zemvelo, isixazululo senkampani, kanye nezinzuzo ezingokoqobo zochwepheshe bezokwakha. Abafundi abalandela izindaba zikasimende bazokuthola lokhu kusungula kubalulekile njengoba imboni ijaha izindlela zokukhiqiza eziluhlaza.

Inselele Yemvelo Yekukhiqizwa Kukasimende Kwendabuko

Ukukhiqizwa kwesimanje kukasimende we-Portland ngokwemvelo kunomthelela omkhulu ekukhishweni kwekhabhoni, kukhishwa cishe ithani elilodwa le-CO₂ ngetani ngalinye likasimende elikhiqizwayo. Umthombo oyinhloko walokhu kukhishwa ukubola kwamakhemikhali kwe-limestone (i-calcium carbonate) kube yi-calcium oxide ne-CO₂, inqubo engenakugwenywa ekukhiqizweni kwe-clinker evamile. Ukwengeza, amafutha ezinto ezimbiwa phansi avutha iziko lokushisa elingaphezu kuka-1,400°C anomthelela omkhulu ekukhishweni kwekhabhoni iyonke. Lezi zici ezihlanganisiwe zenza ukukhiqizwa kukasimende kube ngomunye wemikhakha yezimboni okunzima kakhulu ukunciphisa ikhabhoni, kodwa ukuphuthuma koshintsho akukaze kube kukhulu kangaka. Abakhiqizi abakhulu emhlabeni wonke, okuhlanganisa nezinkampani ze-Holcim, bamemezele izinhlela zokunciphisa ukukhishwa kwekhabhoni futhi batshala izigidi zamabhili ekuthwebuleni ikhabhoni nasezintweni ezihlukile. Okhathalelayo, izindaba zakamuva ze-jaiprakash associates limited zibonisa ukuguquka kwamasu kwezindlela ezisimeme emakethe yaseNdiya, okubonisa umkhuba obanzi wezimboni. Kubatshali-zimali, ukulandelela intengo yamasheya e-jsw cement namuhla kunikeza ukuqonda ukuthi izimakethe zivuza kanjani izinkampani ezamukela ukusungula okunciphisa ikhabhoni. Isizathu semvelo sokwakhiwa kwezinye izinhlobo zikasimende sicacile, futhi isidingo sezixazululo ezikhulayo sikhula ngokushesha.

Izinselelo azigcini nje ekukhishweni kwe-CO₂ ngqo, kodwa zihlanganisa nokusetshenziswa kwamandla, ukuncipha kwezinto zokusetshenziswa, kanye nokusetshenziswa kwamanzi. Ukumbiwa kwe-limestone kuphazamisa imvelo, futhi ukuthuthwa kwezinto ezisindayo ezingavuthiwe kwengeza izindleko ezengeziwe zemvelo. Izinhlelo zokulawula ezifana ne-European Union’s Carbon Border Adjustment Mechanism (CBAM) ziya ngokuya zijezisa ukungeniswa kwempahla enekhabhoni ephezulu, okwenza usimende olwa ne-carbon ube yisidingo esibalulekile ekuhwebeni komhlaba wonke. Izinkampani zokwakha ezehluleka ukuzivumelanisa zingabhekana nezindleko eziphakeme, ukungafinyeleli ezimakethe, kanye nokulimala kwesithunzi. Kulesi simo, izindaba ze-cement zivame ukuqokomisa izinto ezintsha ezingasiza imboni ukuthi iguquke. Ukuvela kwe-supplementary cementitious materials (SCMs) kanye nokuhlanganiswa kwamandla ahlanzekile kunikeza indlela esebenzayo, futhi i-Dezhou Zhongke izibeke phambili kulolu shintsho.

I-Dezhou Zhongke New Materials: Iphayona Izixazululo Zikasimende Onenkaboni Ephansi

I Dezhou Zhongke New Materials Co., Ltd., enhloko-dolobha yayo iseSifundazweni saseShandong, eChina, isakhe igama njengomholi wobuchwepheshe obuphezulu ezintweni zokwakha ezihlanganisa ukhonkolo kanye nezinto zokwakha ezithuthukile kusukela yasungulwa ngo-2003. Umkhiqizo omusha wenkampani wekhabhoni ephansi usombulu ubhekana ngqo nenkinga yokukhishwa kwe-CO₂ ngokunciphisa isilinganiso se-clinker ngokusebenzisa ngobuchule izinto zokuhlanganisa ezifana ne-fly ash, i-slag, nama-pozzolans emvelo. Le ndlela ayigcini nje ngokunciphisa ukukhishwa kwe-CO₂ ekuwohlokeni kwe-limestone kodwa futhi iphinde isebenzise imikhiqizo yezimboni engabe ilahlwa. Ngaphezu kwalokho, i-Dezhou Zhongke ihlanganise imithombo yamandla ahlanzekile—okuhlanganisa ilanga ne-biomass—ezikhungweni zayo zokukhiqiza, okunciphisa ngisho nangokwengeziwe ubukhulu bekhabhoni ekukhiqizeni. Umphumela uwumkhiqizo kasimende oletha umkhondo wekhabhoni oncishisiwe ngama-40% uma uqhathaniswa nosimende wendabuko we-Portland kuyilapho ugcina ukusebenza okulinganayo noma okungcono kwezokwenza. Ukuze uthole ulwazi oluningi ngomlando wenkampani, izitifiketi, namandla okucwaninga nokuthuthukisa, vakashela i-MAYELANA NATHI ikhasi.

Inqubo yokuthuthukisa ibandakanya ucwaningo olunzulu ukuze kutholakale inhlanganisela ekahle ye-SCM kanye nokusabalalisa kobukhulu bezinhlayiyana okuthuthukisa ukuminyana kokupakisha kanye ne-hydration kinetics. Ngokulinganisa ngokucophelela ukwakheka kwamakhemikhali, onjiniyela base-Dezhou Zhongke bazuze umkhiqizo ohlangabezana namazinga omhlaba wonke amandla, isikhathi sokuqina, kanye nokuqina. Inkampani iphinde yatshala imali emishinini ethuthukile yokugaya nokuxuba ukuze iqinisekise ikhwalithi engaguquki kuwo wonke amabhantshi okukhiqiza. Lobu uchwepheshe bezobuchwepheshe yingakho izinkundla zezindaba zikasimende ziqaphele impumelelo ye-Dezhou Zhongke njengesilinganiso semboni. Ukuze uthole umbono ophelele wohlu lomkhiqizo, okuhlanganisa ama-polycarboxylate superplasticizers nezinye izithasiselo, hlolaIMIKHIGIZO ikhasi.

Izinzuzo Eziyinhloko Zikasimende Wekhabhoni Ephansi Wase-Dezhou Zhongke

I-Cement enekhabhoni ephansi yakwa-Dezhou Zhongke inikeza ukuncishiswa okungamaphesenti angu-40 ekukhishweni kwekhabhoni uma iqhathaniswa nesimende esijwayelekile sasePortland, ukuthuthuka okuguquguqukayo okusiza izinkampani zokwakha ukuthi zifeze izinhloso zokusimama ngaphandle kokudela ukusebenza kahle. Naphezu kokuqukethwe kwe-clinker okuncishisiwe, umkhiqizo ufinyelela amandla okucindezela alinganayo noma aphezulu ngokupakishwa kwezinhlayiyana okulungiselelwe kanye nokusetshenziswa kwezithako zamakhemikhali ezithuthukisiwe ezakhiwe ngaphakathi. Ukonga izindleko kungenye inzuzo ebalulekile: ukusetshenziswa kwemikhiqizo eyinsalela yezimboni kuvame ukwehlisa izindleko zezinto zokusetshenziswa, futhi ukuhambisana komkhiqizo nemiklamo ekhona yokuxuba kusho ukuthi akukho zinguquko ezinkulu ezidingekayo emishinini noma ezinqubweni. Leli simende libuye lihlangabezane nezindinganiso ezinkulu zezitifiketi zokwakha eziluhlaza, okuhlanganisa i-LEED, i-BREEAM, kanye ne-Chinese Green Building Evaluation Standard, okunika abathuthukisi amaphuzu abalulekile ezitifiketi. Emabhizinisini aqapha izitayela zemakethe, intengo yamasheya ye-jsw cement namuhla ikhombisa ukwethemba kwabatshalizimali ezinkampanini ezibeka phambili ukusimama, okuqinisa isizathu sezomnotho sezinto zokwakha ezinekhabhoni ephansi.

Ngaphezu kwezinzuzo zemvelo nezindleko, usimende unikeza ukusebenza okuphezulu ngokunciphisa ukudinga kwamanzi, okuholela ekupheleni kwekhwalithi engcono nokungena kwamanzi okuphansi. Ukushisa okuphansi kokufakwa kwamanzi kunciphisa ukuqhekeka okubangelwa ukushisa ezakhiweni zikakhonkolo omkhulu, kunwebe isikhathi sokusebenza sezakhiwo ezinjengamadamu, izisekelo, namapulangwe amakhulu. Ukuqina ekuhlaselweni kwe-sulfate, ukungena kwe-chloride, nokushintshana kwe-freeze-thaw nakho kuyathuthukiswa, kunciphisa izindleko zokulungisa phakathi nokuphila kwephrojekthi. Lezi zinzuzo zobuchwepheshe zenza isixazululo sika-Dezhou Zhongke sifanelekele kokubili izinhlelo ezijwayelekile nezisebenza kahle kakhulu. Njengoba izinkampani ze-Holcim nezinye izinkampani zomhlaba zisheshisa izinhlelo zazo zokunciphisa ikhabhoni, ingcindezi yokuncintisana yokusebenzisa lezi zinto izokhula kuphela. Osonkontileka abakhetha usimende wekhabhoni ephansi namuhla bathola izinzuzo zokuqala ekukhangiseni, ekuthobeleni imithetho, nokwehlukanisa iphrojekthi.

Ukusetshenziswa Okuhlukahlukene Embonini Yezokwakha

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I-Dezhou Zhongke's usimende wekhabhoni ephansi uklanyelwe uhla olubanzi lwezinsiza ezingqalasizinda nezokwakha, okuhlanganisa imigwaqo, amabhuloho, izakhiwo zezentengiselwano, izindawo zokuhlala, nezinto zikakhonkolo ezenziwe ngaphambilini. Emakhiweni omgwaqo, amandla okuqala aphezulu kasimende avumela ukususwa kwesikhungo sokubumba ngokushesha kanye nemijikelezo emfushane yokwakha, kuyilapho ukumelana kwawo nosawoti wokuncibilikisa iqhwa kanye nemijikelezo yokushisa nokubanda kuqinisekisa ukuqina kwesikhathi eside. Emaphrojekthi amabhuloho nezakhiwo eziphakeme, ubuqotho obuphezulu bokwakheka kwento kanye nokuncipha kokuhlehla kwezinto kufaka isandla ekwakheni izakhiwo eziphephile neziqhubeka isikhathi eside. Ukuhambisana kasimende nezinhlanganisela ezijwayelekile zikakhonkolo kusho ukuthi ukwamukelwa kwakhe akudingi ukuqeqeshwa okunabile noma ukushintshwa kwemishini, okwehlisa umgoqo wokungena kosomqhinga. Ukuze uthole izifundo zakamuva zamaphrojekthi kanye nezibuyekezo zomkhakha, vakashela i-IZINDABA ikhasi.

Imboni yokwakha ngokhonkolo olwenziwe ngaphambilini iyindawo ethembisayo kakhulu yokusebenzisa, ngoba izimo ezilawulwa yizimboni zivumela ukulungiswa okunembile nokuqinisekiswa kwekhwalithi. Usimende onenkaboni ephansi unikeza izikhathi zokumisa ezihambisanayo nokukhula kwamandla, okwenza abakhiqizi be-precast bakwazi ukugcina ukusebenza kahle kwezimboni ngenkathi behlisa umthelela wabo emvelweni. Ngaphezu kwalokho, ukuncipha kwesidingo samanzi somkhiqizo kuthuthukisa ukusetshenziswa kwezikhungo zokubumba nekhwalithi yokuqedwa kwendawo. Izindaba zakamuva ze-Jaiprakash Associates Limited zivame ukuqokomisa amaphrojekthi ezingqalasizinda angazuza ezintweni ezinjalo ezisimeme, okugcizelela isidingo esikhulayo emikhakheni yomphakathi neyizinkampani ezizimele. Njengoba izindaba zikasimende ziqhubeka zibika ngokuncishiswa kwekhabhoni ekwakheni, abasebenzisi bokuqala bemikhiqizo efana nosimende onenkaboni ephansi we-Dezhou Zhongke bazobe sezimeni ezinhle zokuhlangabezana nemithethonqubo yesikhathi esizayo nokuthandwa yimakethe. Ukuze uthole umbono ophelele wamandla enkampani nezinketho zokuxhumana, qala kokuthiIKHASI ikhasi.

Isenzo Sokubiza: Hlanganyela neDezhou Zhongke ngekusasa Eliluhlaza

I-Dezhou Zhongke New Materials Co., Ltd. imema izinkampani zokwakha, abathuthukisi, abakhiqizi be-precast, kanye nabasabalalisi bezinto zokwakha ukuthi bahlole izinzuzo zikasimende walo wekhabhoni ephansi emaphrojekthini azayo. Inkampani inikeza amasampula amahhala okuhlola, amanani ancintisanayo ahambisana nosayizi wephrojekthi, kanye nokusekelwa okugcwele kwezobuchwepheshe ekwakhiweni kwengxube nokuhlahlela kokusetshenziswa. Ngokukhetha isixazululo esisha sika-Dezhou Zhongke, ufaka isandla ngqo emgomweni womhlaba wonke wokungathathi hlangothi kwekhabhoni ngenkathi uthola inzuzo ephathekayo yokuncintisana emakethe yezakhiwo eziluhlaza ekhula ngokushesha. Umkhiqizo unomkhondo wekhabhoni ophansi ngamaphesenti angu-40, amandla alinganayo noma aphezulu, kanye nokonga izindleko, okwenza kube ukukhetha okuhlakaniphile kunoma iyiphi inhlangano ebhekele ukusimama. Ngosizo olusheshayo, xhumana nathi ku-Ukusekela ithimba ngocingo noma ngefomu lokubuza eliku-inthanethi.

Izivakashi zingafunda kabanzi ngomlando wenkampani, uhlu lwemikhiqizo, kanye nezitifiketi zekhwalithi ku-IKHASI LASEKHAYA ikhasi. Ukuze ucele isilinganiso sezindleko, uhlele ukubonisana ngobuchwepheshe, noma uthole imibhalo enemininingwane yomkhiqizo, xhumana nathi namuhla. Ushintsho ekwakhiweni kwe-low-carbon seluvele luqalile, futhi i-Dezhou Zhongke ilungele ukukusiza ukuthi uhole lolu shintsho. Shayela [inombolo yocingo] noma thumela umbuzo wakho ku-inthanethi ukuze uqale uhambo lwakho olubheke engqalasizinda esimeme kakhulu. Ungalindi—yenza manje ukuze uvikele ikusasa elihlanzekile, elinenzuzo enkulu ebhizinisini lakho nasemhlabeni wonke.

Imibuzo Ejwayelekile (FAQ)

1. Yini eyenza usimende we-low-carbon we-Dezhou Zhongke wehluke kusimende wendabuko?

Usimende we-low-carbon we-Dezhou Zhongke ubeka esikhundleni sengxenye enkulu ye-clinker ngezinto ezingezelelwe ze-simentitious ezifana ne-fly ash ne-slag, kunciphisa ukukhishwa kwe-CO₂ ngokufinyelela ku-40% uma kuqhathaniswa nosimende ojwayelekile we-Portland. Umkhiqizo futhi uhlanganisa amandla ahlanzekile ekukhiqizeni kanye nezithako ezithuthukisiwe ukuze kugcinwe amandla nokuqina. Lokhu kuhlanganiswa kokuqamba okusha kwezinto kanye nokukhiqiza okuluhlaza kukwehlukanisa njengenye indlela ephambili esimeme ezindabeni zosimende.

2. Ingabe usimende okhipha ikhabhoni encane unamandla afanayo nosimende wendabuko we-Portland?

Yebo, usimende okhipha ikhabhoni encane ufinyelela amandla okucindezela alinganayo noma aphezulu ngokusebenzisa ukuhlelwa kwezinhlayiyana okuthuthukisiwe kanye nobuchwepheshe bezithako zamakhemikhali. Ukuhlolwa okubanzi kuqinisekisile ukuthi uyahlangabezana noma udlula amazinga omhlaba wonke wokusetshenziswa kukakhonkolo wesakhiwo, okuhlanganisa imigwaqo, amabhuloho, nezakhiwo. Izici zokusebenza zomkhiqizo ziyafana nosimende we-Portland wezinga eliphezulu.

3. Yiliphi iphesenti lokunciphisa umkhondo wekhabhoni elishiwo yi-Dezhou Zhongke?

Usimende wekhabhoni ephansi wakwa-Dezhou Zhongke unciphisa umkhondo wekhabhoni ngama-40% uma uqhathaniswa nosimende ojwayelekile we-Portland. Lokhu kunciphisa kuvela kokusetshenziswa kwezinto ezihlukile ezinokukhishwa okuphansi kwenqubo kanye nokuhlanganiswa kwemithombo yamandla ahlanzekile ekukhiqizeni, okwenza kube ngesinye sezixazululo ezinomthelela omkhulu kakhulu ezimakethe.

4. Ingabe lolu simende luhlangabezana namazinga ezitifiketi zokwakhiwa okuluhlaza?

Yebo, umkhiqizo wenzelwe ukuhlangabezana nezitifiketi ezinkulu zokwakhiwa okuluhlaza okuhlanganisa i-LEED, i-BREEAM, kanye ne-Chinese Green Building Evaluation Standard. Ukusebenzisa usimende wekhabhoni ephansi wakwa-Dezhou Zhongke kungasiza amaphrojekthi ukuthi athole amaphuzu afinyelela ezitifiketini, ikakhulukazi ezigabeni ezihlobene nezinto zokwakha nezinsiza, kanye nokusungula ekwakhiweni okusimeme.

5. Ingabe usimende onenkaboni ephansi ungena izindleko uma uqhathaniswa nezinketho zendabuko?

Yebo, ukusetshenziswa kwemikhiqizo eyinsalela yezimboni njengokushintsha ingxenye ye-clinker kuvame ukwehlisa izindleko zezinto zokusetshenziswa, futhi ukuhambisana komkhiqizo nemiklamo ekhona yokuxuba kugwema izindleko ezengeziwe zongxiwankulu. Kuhlanganiswe nokonga okungenzeka emijikelezweni yokwakha esheshayo nokunciphisa ukunakekela, isimo sezomnotho siqine emaphrojekthini amaningi.

6. Yiziphi izinhlobo zamaphrojekthi lapho lolu simende lufaneleka kakhulu?

Usimende ulungele izinhlelo eziningi ezahlukene okubalwa kuzo imigwaqo, amabhuloho, izakhiwo eziphakeme, izakhiwo zokuhlala, kanye nezinto zikakhonkolo ezenziwe ngaphambilini. Ukuqina kwawo okuphezulu, ukushisa okuphansi kokuhlanganisa, kanye nokumelana nokuhlaselwa kwemvelo kumenza abe nenzuzo ikakhulukazi kukhonkolo omkhulu nengqalasizinda echayeke ezimweni ezinzima.

7. IZiniso zokuqinisekisa ikhwalithi ezingaguquki ekukhiqizeni usimende wekhabhoni ephansi yiDezhou Zhongke?

IDezhou Zhongke isebenzisa imishini ethuthukile yokugaya nokuhlanganisa kanye nokuhlolwa okuqinile kokulawula ikhwalithi kokwakheka kwamakhemikhali, ukusabalalisa kobukhulu bezinhlayiya, nokusebenza kwemishini. Inkampani inolwazi olungaphezu kweminyaka engamashumi amabili kuma-admixtures kakhonkolo futhi igcina izitifiketi ze-ISO ukuze iqinisekise ukungaguquki kwebhaji ngebhaji.

8. Ngingathola amasampula noma ibhaji lokuhlola ngaphambi kokuzibophezela ku-oda eligcwele?

Yebo, iDezhou Zhongke inikeza amasampula amahhala okuhlola nokuhlola. Inkampani futhi inikeza ukwesekwa kwezobuchwepheshe ukusiza ukuthuthukisa imiklamo yokuxuba ngezidingo ezithile zephrojekthi. Xhumana ne-Ukusekela ithimba ukucela amasampula noma ukuhlela ukubonisana.

9. Ngingathola kanjani isilinganiso sezindleko noma ukufaka i-oda le-simende ye-low-carbon ye-Dezhou Zhongke?

Ungacela isilinganiso sezindleko ngokushayela [inombolo yocingo] noma ngokugcwalisa ifomu lokuxhumana eliku-inthanethi ku-Ukusekela ikhasi. Ithimba lezokuthengisa lizophendula ngokushesha ngezilinganiso zezindleko, izinketho zokulethwa, kanye nemibhalo yobuchwepheshe ehambisana nezidingo zephrojekthi yakho.

10. Kubaluleke ngani ukulandelela intengo yamasheya we-jsw cement namuhla kanye nezinkampani ze-Holcim group maqondana nosimende we-low-carbon?

Ukulandelela intengo yamasheya e-jsw cement namuhla kunikeza ukuqonda kokuthi izimakethe zezimali zibahlola kanjani amakampani kasimende atshala imali ekusimameni nobuchwepheshe obukhipha ikhabhoni encane. Ngokufanayo, ukulandela izinkampani ze-Holcim group kuveza izitayela zomhlaba wonke zokuzibophezela ekufinyeleleni i-net-zero kanye nokwamukelwa kwezinto ezihlukile. Lezi zinkomba zisiza amabhizinisi ukuthi aqonde isimo sokuncintisana kanye nesidingo esikhulayo semakethe sezinto zokwakha eziluhlaza.

Xhumana nathi

Shiya imininingwane yakho futhi sizokuxhumana nawe.

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