Kuthiwani Ngokukhiqizwa Kwe-Basalt Aggregate Yakuphakeme?

Summary: Le ndaba ibonisa yonke inqubo yomkhiqizo ophezulu we-basalt aggregate, kusukela ekulawuleni izinto eziphathekayo, ukugumbuqwa, ukwakha, nokuhlolwa ukuze kuqinisekiswe ukuhlanzeka, ihlola ukuthi isikhala ngasinye siwumthelela kanjani ekubeni umkhiqizo ungcono kanye namaphuzu abalulekile okuphatha umkhiqizo, inikeza isikhombandlela sezinga lokulawula ikhwalithi ngokohlelo kubashayeli bokukhiqiza be-basalt aggregate....

IBasalt, ngenxa yamandla ayo amakhulu okucindezela, ukumelana okuhle nokugqokwa, kanye nezakhi zofuzo eziqotho ezingaguquki, yindawo ebalulekile yomthombo wokuhlanganisa izindlela zomgwaqo, izindlela zephepha eliphezulu, amaphrojekthi wombuso wentuthuko yamahlathi, kanye nekhonkrithi enamandla aphezulu. Kodwa-ke, i-ore kamonakalo osebenzayo ibhasalt ophuma kuyona ingakwazi ukukhipha imikhiqizo ephumelele ngokwekhwalithi evame ukuba ihlukile kakhulu ukusuka emothikweni wokukhiqiza ohlukile. Isidingo semakethe semikhiqizo ephakeme ye-basalt siqhubeka ngokukhula, kodwa-ke, izindlela zokukhiqiza ezikwazi ukuhlinzeka njalo ngemikhiqizo ye-basalt ephezulu azikho eziningi. Isizathu asikho efekishini yeglasi, kodwa kumazinga kontrolwe kuwo wonke umzuzu wokukhiqiza. Ngakho-ke, kubhalwa, kanjani i-basalt ephezulu yekhwalithi ikhiqizwa?

I. Iyini Ingqikithi Ephezulu Ye-Basalt Aggregate?

Referring to GB/T 14685-2022 Pebble and Crushed Stone for Construction, high-quality basalt aggregate (Class I) should meet the following core indicators:

Phakathi kwalezi zinkomba, indawo yamagiwane anyibilikayo futhi ayinde futhi isimo seganese sawo siyona esisebenza kakhulu ekuhlukaniseni amazinga okusebenza okukhiqizwa. Ibanga phakathi kwe-aggregate yekhwalithi ephezulu neyokujwayelekile ligxilwe kulezi zinkomba ezimbili.

II. Ukulawulwa kwezinto zokusetshenziswa ezingavuthiwe: I-Basalt eziphezulu zokusebenza zisuka ezintweni zokusetshenziswa ezingavuthiwe emayini

Abashayeli abaningi babeka izinkinga zokuhlanganisa ikhwalithi indawo kumagobolondo, kodwa empeleni, ikhwalithi yezinto ezingavuthiwe iyisici esibalulekile esahlukweni sokuthola ikhwalithi yokugcina ye-aggregate. Noma ngabe uthini umshini wokuphusha, awukwazi ukuguqula izinto ezingavuthiwe ezigugule kakhulu zibe i-aggregate yekilasi I yekhwalithi ephezulu.

Ukwakheka kwe-Blast

Imiphumela yokubhula yona eqondile ithinta yonke inqubo yokukhiqiza ehambisana nayo:

Uma usayizi wezigaba zokubhomba luphakathi kakhulu, ukusetshenziswa kwamandla okuqhaqha kuyakhula futhi ukugqoka kwe-liner kukhula; uma luphansi kakhulu, isimo sezinga lokungena kwama-fines siyoba phezulu. Ukuqhumisa ngokweqile kukhiqiza umthamo omkhulu womile kanye notshani lwamatshe, okwandisa ukuminyana kwe-fines nokucindezela kokuhlanganisa uthuli ngemva kokungena ohlwini lwezokukhiqiza.

Ukumba Okukhethiwe

Izindawo zokugcina i-basalt zihlala zinezona zindawo zemvula ezisebenzayo. I-basalt ezindaweni zemvula inomfutho ongaphansi kakhulu wokucindezela kanye nomkhuba ophakeme wokuba nezicucu eziphukile, okwenza ingafaneleki njengezinto zokusebenza ezisezingeni eliphezulu. Ukwenza izinto ezisezingeni eliphezulu ze-basalt kufanele kusetshenzwe ukumba okukhethiwe:

· Izinto ezingavuthiwe zomkhiqizo ophansi zihlanjululwe zihlukaniswe ziye zisebenziswe ukuze kugcwalwe izisekelo zomgwaqo noma njengengxenye yokungena kwezinto ezisezingeni eliphansi;

· Ibhulashi elijulile le-basalt lingena umugqa wokukhiqiza ama-aggregate asezingeni eliphezulu;

· Ngesikhathi sononophelo, umhlabathi ukhululeka ukufakwa phezulu ngenxa yezimo zezulu; ukuhlolwa ngaphambili nokuwasha kufanele kube ngamandla ngesikhathi sokuphakela.

3. Ukugcinwa Kweziphuzo Ezithengekayo

Izinto zokwakha ezivela ku-basalt ezivuywayo kufanele zigcinwe ngendlela efanele:

· Umhlabathi wokugcina impahla kumele uqine ukuze uvimbe umhlabathi ukuba ungaxubani phansi;

· Izinto zokusetshenziswa ezingafani zenziwa zibe yizindawo ezihlukene ukuze kugwemeke ukuxuba izinto ezomisiwe nezinto eziyinqaba zokusetshenziswa;

· Izinto eziyinqaba zilandela ukuphuma kokuqala nokufika kokuqala. Ubuso obude bokugcina i-basalt buzozonda umswakama nokushisa, kuthinte ukuhlanzeka kwama-aggregates.

III. Isigaba Sokucindezela: Ungawulawula kanjani ikhwalithi ye-Basalt Aggregate?

IBasalt inamandla amakhulu okucaba nokugqikiza okukhulu. Isigaba sokucindezela i-aggregate yekhwalithi ephezulu ngokuvamile sisetshenziswa ngokuhlanganisa ukucindezela okukhulu + ukucindezela kwesibili/nesithathu. Isenzo ngasinye sokucindezela sithinta ukwenza kwemingcele, ukuhleleka, nokuwela kwezincwajana zomkhiqizo ophumayo. Ukuze kube nemikhiqizo ye-basalt yekhwalithi ephezulu, kufanele kugxilwe emthethweni wokuthinta komthelela wesigaba ngasinye sokucindezela ekubeni kuhlangabezane nezidingo kanye nokulawulwa okufanele kube khona.

Ukuqhuma Okuyinhloko: Ukwela Isisekelo seBhikodi ephezulu yeBasalt

Ukuqhuma okukhulu kuqothula itshe elihlabayo eliwuhlaba lube usayizi wezicucu zosayizi ophakathi, kudala izimo zokuhlinzeka zokuphindaphinda ukucupha kwesibili/nokukhulisa okwesithathu kanye nokubeka isisekelo sekhwalithi kuyo yonke umugqa wokukhiqiza.

· Usayizi wezinhlayiyana ohlala ugcwele: Uhlukaniso lwezigameko zokukhishwa kwamandla okuqala lubeka izimo zokufuya eziyisekelayo zokuphakela okuphindaphindiwe/okwesithathu. Uma ukukhishwa kuhlala kumile futhi ukusabalalisa kwamakhulu kunganabuthakathaka, ukuphakela okuphindaphindiwe/okwesithathu kungasebenza ngaphansi kwezimo ezizinzile. Ukuze kuvelwe iziqephu ezisezingeni eliphezulu, isigaba sokuqala sokuphakela kufanele siqinisekise ukuthi ukuvala komnyango wokukhishwa kuhlala kumile nokulawula usayizi wezigaba zokukhishwa.

· Control clay content at the source: High-quality basalt aggregate requires clay content ≤0.5%. Once clay enters downstream, it ultimately adheres to the finished product surface, raising clay content indicators, and removal costs increase. Configuring pre-screening equipment at the feeding stage is a low-cost and most direct method for clay content control.

Ukuphahlazeka okuphakathi/okuphakeme: Isisekelo somqondo wekhwalithi ye-aggregate ye-basalt

Ukugeleza kwesibili/nokusinda kwesithathu uyisisekelo sokukhiqiza ugodo lwe-basalt. Ukwabi kosayizi lwezinkuni kanye nesimo sesikhumba sezibalo zomkhiqizo ophelile kuncike kakhulu kulesi sikhathi. Ukuze kukhiqizwe ugodo oluphezulu, ukuvulwa kokukhulula ukungena kwesibili/nokungena kwesithathu kufanele kusethwe ngokufanele, ukukhishwa kufanele kube nesimo esimile, nosayizi wezibalo zokukhishwa kufanele zigxile ngaphakathi komkhawulo wokuhanjiswa kokushaywa nokuhlolwa okwenzeka ngendlela efanele.

Ukuqiqa kwesibili/nokwesithathu kwe-basalt ngokuvamile kusetshenziswa ama-cone crushers. Ukusebenza kahle kwemfundiso ye-laminated kuye kuncike emhubheni wempahla oqukethwe ngaphakathi kwekhabhishi lokuqhuma. Ngesikhathi ukudla kukhona futhi kuqhubeka, ukucindezela phakathi kwezinsimbi kuhlangene kahle futhi isimo sezingxenye siyafana ngokulinganayo. Ngakolunye uhlangothi, ukungazinzi kwesimo sezinsimbi kungahle kube khona, kanye nokushiswa kwe-liner okusheshayo. Ngokuphumelela kokukhiqiza, isimo somshini kumele silubhekwe ngokushesha, amapharamitha ashintshwe ngesikhathi, futhi izingxenye ezisongakalayo zifakwe esikhundleni ukuze kuzuzwe ukukhipha okuphezulu kwesimo sokushisa okwesibili/nokwesithathu.

IV. Ukwakheka Kwempahla: Okubalulekile Ukusuka Kwikhwalithi Ephakeme kuya Kwisipho Esisezingeni Eliholo Le-Basalt

Uma izigaba zokucindezisa zixazulula inkinga ye-"material efanelekile," khona-ke isigaba sokubumba sisebenzisa ukuxazulula inkinga ye-"ikhwalithi ehehayo." Izitshalo ezisezingeni eliphezulu zokuhlukanisa i-basalt ngokuvamile zinezigaba zokubumba.

Kungani Ukubumba Kubalulekile Ekukhiqizeni Umkhiqizo Wesikhwephe Se-Basalt?

Umkhiqizo wezinto ezivela ekucwecweni kwekoni yesibili/nendawo yesithathu awuhlangabezani ngokuphelele nezindinganiso zokugcina zepulasitiki ezisezingeni eliphezulu. Ingxenye enkulu yezinqwaba zizobonisa izimo eziphukile nezinolwandle, ezivame ukunciphisa ubukhulu begcekeikhilimu nobukhulu bokwakha. Inhloso yokumisa ukufaka izinto eziphukile nezinolwandle ngokufaka izimo ezikhowe ngokulahla, kwehlisa iqukethe yezinqwaba eziphukile nezinolwandle ukuze kuhlangabezane kangcono nezidingo zepulasitiki ezisezingeni eliphezulu.

Ukuqina ngokuvamile kusetshenziswa umqhubi we-VSI. Ukuze kusebenzise isimiso sokuphonsa imayini phezu komayini: izinto zisheshiswa nge-rotor esheshayo futhi zilahla phezulu, zidabula izinto eziqukethwe phansi kwakha udonga lokuphonsa, kufezwa ukuphonswa phakathi kwezinhlayiya. Kulolu hlelo, izingxenye zensimbi eziguga azibandakanyi ngokuqondile ekuqiweni, kuholela ekutheni izindleko zokuguga zibe sezingeni eliphansi, kufanelekile wezinto ezitolika kakhulu njengobukhulu be-basalt.

Amaphuzu Okulawula Ekhasi Yephutha Lakwa-Shaping

· Ukuhlinzwa kosayizi wobuningi bokudla Ukudla okukhulu kakhulu kungena esigabeni sokuma kungadala ukuchichima komjikelezi nesiphumo esincane sokuphuma. Ukukhishwa kwe-crushing yesibili/nyesithathu kumele kuqala kuhluze, futhi impahla efanelekile ithunyelwe kumshini wokumisa nokuphuma okungefani kubuyiselwe ku-crusher yokuqhubeka nokuphinda ubhidlizwe.

· Speed control. Ukuma kahle kusekelwe esivinini somphumela womphini. Isivinini esiphezulu sisho amandla amakhulu okuphonsa impahla angahambisani nokusatshalaliswa, ukuqhumisa okungcono okuphelele kokuphonsa, nemiphumela yokwenza ubuso obuhle. Kodwa isivinini esiphezulu kakhulu futhi kusho ukusetshenziswa kwamandla okuphezulu nokuphuma kwezingxenye ezenziwe zibe buthakathaka ngokushesha. Ezimweni zangempela zokusebenza, isivinini kufanele silungiswe ngendlela efanele futhi ngokuguquguquka kuye ngezimo zokufaka kanye nomumo wohlamvu olufunwayo.

· Throughput control. Ukwumba kwezinto akusikho nje ukuphumela ngaphambili kanye. Izinga elifanele lokunisela liholela ekutheni ubuningi bezozimo ezingaphezu kwamandla endaweni yokucindezela, kuqhuba amandla okuthonya ngokweqile futhi kuholele ekuhlupheni kokuma; izinga lokunisela elinganele lihlala lilahlwa amandla. Indlela efanele ukufaka ukulawulwa kwezinga lokunisela phakathi komkhawulo ophakathi kwamandla okusebenza kwemishini, ukuqinisekisa ukuthi wonke uqanda lwemoleki luthola amandla okuthonya afanele ngokushesha.

Ngezinhlelo zokukhiqiza iqoqo le-basalt ezibheke izindlela zomgwaqo, izigubhu zamabhasi ezihamba ngesivinini esiphezulu, kanye ne-concrete enamandla aphezulu, isigaba sokumisa ngumsebenzi owenzeka ngokomthetho.

V. Isigaba Sokuhlolwa: Ukuvikelwa Kokwehlukaniswa Kohlelo Lwe-Basalt Osolwayo Olukhulu

Ekuveleni kwe-basalti, isigaba sokuhlunga sizobe sihlela isigaba sokuhlela umkhiqizo ophelile.

Ukulungiswa Kwe-Mesh Yesikrini

Ukubunjwa kwe-basalt yekhwalithi ephezulu ngokuvamile kudinga ukukhiqizwa kwezigaba eziningi ngesikhathi esisodwa. Ngakho-ke, ukuvulwa kwenethwe kusihlungi kumele kuhlangabezane ngokugcwele nezidingo zokuhlunga eziqondiwe. Ngasikhathi sinye, izinhlobo zezihlungi nombala wesifunda sokuhlunga kumele kuhlelwe ngendlela efanele ngokwezinga lokucubungula; ukungabi khona kwesifunda sokuhlunga esanele kuholela ekwehleni kwemisebenzi yokuhlunga.

2. Ukuhlolwa kwe-Circuit Evaluation engavaliwe

Oo projekthi bokukhiqiza i-basalt aggregate yekhwalithi ephezulu, ivamise ukufakwa umjikelezo wokuhlunga ocikekile ngemva kokubhula okwesibili/kwesithathu. Isikrini esivuthayo sihlanganisa ngesikhathi esisodwa izinto ezifanele njengezinto ezifakiwe zomkhiqizo ophelile futhi sibuyele izinto ezingafanele emshinini wokubhula, kuqinisekile ngokuphelele ukusebenza kahle kokuhlunga nokwahlukaniswa komkhiqizo ophelile.

VI. Indlela Ukuqinisekisa Ukuqukethwe Kwamafutha Ezithombo Ezinciphisiwe ze-Basalt Uhambisana Nezindinganiso?

Basalt contains 45%–52% SiO₂, making the fine dust generated during crushing a respirable crystalline silica hazard. The crushing process also produces fine dust that must be controlled to meet specifications. Dust adhering to aggregate surfaces causes fines content to exceed standards. This is a key indicator for evaluating high-quality aggregate. Dust collection processes can be reasonably configured in production stages to reduce aggregate fines content.

Inqubo Yokuqoqwa Kothuli Olomileyo

Lungisa izinhlelo zokuhlanganisa uthuli ezindaweni eziyaziwa ngokukhupha uthuli njengezindawo zokudlela, zokucubungula, nokuhlunga.

· Ukushaya umsesho wamanzi ophakeme kakhulu: kulungele amaphuzu ane-konsethrethini ephansi yomquba womsi

· Ukuqoqwa komthofu wempuphu: ifanele amaphuzu anokuthuthuva okuphezulu kwegesi enkulu

Inqubo Yokuwasha Okomile

Kwezitshalo zokuhlanganisa i-basalt esezingeni eliphezulu ezinezimfuneko eziqinile zokuhlanzeka kwamafutha, ukuqoqa uthuli olomile akugcinwa ngendlela enqunyiwe ukuze kuqinisekiswe ukuhambisana okuqinile, kuyodingeka ukwengeza isigaba sokuhlanza:

· Umshini wokucoca umquba ophendulwayo noma umshini wokucoca umquba osebenzisa ugobolondo ukususwa komthambo omncane onamathele phezulu kwempahla enkulu;

· Iziphroshelakazi zokubuyisa ithufu elimile kufanele zifakwe emva kokuwasha ukuze zincipise ukulahleka kwezinto ezincane zokufaka.

· Ukukhiqiza okomile udinga uhlelo lokuhlanza amanzi asemva, nokuphinda usebenzise amanzi ukuze kuqinisekiswe ukuzinza kwemvelo.

Ngokufingqa, ukukhiqizwa kwe-aggregate ye-basalt yekhwalithi ephezulu akuyona impumelelo esigabeni esisodwa, kodwa ukuphathwa ngokuhlelelekayo nokulawulwa kuwo wonke amanyathelo okukhiqiza. Izinto ezisemqoka yizinto eziyisisekelo, ukuqhekeka kuyisigaba esibalulekile, ukumisa ukuqina kwakha umumo obalulekile, ukuhlunga kugcina ukuhlukaniswa kahle, nokuhlanzeka kwe-aggregate kuyisisekelo sezinga lekhwalithi. Ngokuvumela ukulawulwa kuwo wonke amanyathelo okukhiqiza, okhusa inqwaba izimvula eziphezulu zesikhungo, futhi ekugcineni kusebenzela izimiso zemakethe yezinga eliphezulu lezidingo ze-aggregate.

Ukuze ufunde ngezixazululo zokukhiqiza okuphezulu kwe-basalt aggregate, sicela uxhumane ne-SBM.

I-SBM ingenele ngokujulile embonini yokukhiqiza izingcezu ze-basalt iminyaka engaphezu kwamashumi amathathu, inexperience ocebile emisebenzini yomhlaba wonke. Xhumana nathi ukuthola isixazululo esenziwe ngokwezifiso esisodwa.