Isiphetho:Isihlahla semvelo sibonakala kakhulu ngenxa yokuthinta kwamandla emvelo, kodwa ngenxa yokuvikela impilo yendawo kanye nezinye izizathu, inani lesihlabathi semvelo liyaqhubeka likhuphuka, futhi alikhonanga ukufinyelela izidingo eziqhubekayo zemarkethi. Kuleli qhinga, isihlabathi esenziwe yimishini saqala ukusetshenziswa futhi sesetshenziswa kakhulu.

Izinhlobo zeSihlabathi zini?

Isihlahla singahlolisiswa ngokwahlukanisa phakathi kwesihlabathi semvelo kanye nasesenziwe yimishini:

Umlambo wemihlambi: Izicucu zeqhwa ezinezilinganiso ezincane kunama-5mm, ezenziwe yimikhuba yemvelo (ikakhulukazi ukubola kwezindlwana), zibizwa ngokuthi umlambo wemihlambi wemvelo.

Umlambo owenziwe yimodeli: Izicucu zeqhwa, izitsha zomgodi noma izicucu zezibi zezinto ezisetshenziswa emisebenzini, ezilinganiselwe ezincane kunama-4.7mm, eyenziwe ngokucushwa nokwahlukaniswa ngemishini ngemva kokwelashwa kokususa umhlabathi, kodwa izicucu ezomile futhi ezimile azifakiwe.

Natural sand vs Manufactured sand

Izakhi zomsakazo owenziwe yimodeli

1. Isiqalo somlambo owenziwe yimodeli siqondisiwe futhi senza ngemva kokucishwa yizikhululo ezikhethekile zokucisha. Indlela yokwenza ngemishini iqinisekisa ukusebenza kahle

2. Umlomo womhlabathi wezintaba-mlonyane uvamise ukuba nolusu olukhulu ngemva kokushintshwa kwamanzi, kuyilapho umhlabathi oqeqeshwe yi-mashini unezindawo eziningi nolusu olukhulu, ngakho izicucu zomhlabathi ezenziwe yi-mashini zingcono ekuxhumaneni nezinye izinto ezifana ne-cementi.

3. Izinto zokwakha ezisetshenziswa ukwenza i-sand eyenziwe ngokomshini zingatholakala emidhlongweni ethile engahlanjululwa. Ngaleso sikhathi, ekwakheni izindawo zasemadolobheni nasekwaneni, inani elikhulu lempahla yokwakha engasetshenziswa lingaphunyezwa yi-mobile crusher ukuze kwenziwe futhi kusetshenziswe kabusha okwakhiwayo, okunganqamula ingxaki yezinsizakalo zokuqhekeza imvelo, kodwa futhi kukhulise isibalo sokusetshenziswa kwemithombo yemvelo.

4. Ngesikhathi sokwehla kwamabili emithombo yezinto ezisetshenziswa ekwakheni ngamanzi, nokuqina okukhulu kwezindleko zempahla yokuqala, izindleko zokukhiqiza zezinkampani zekhemikhali zinganciphisa futhi kuthinteke kancane indawo yokwakha.

Indlela yokukhiqiza isanti eyenziwe ngemishini?

(1) Ukukhethwa kwamaphahla okuqala

Ayonke impahla ayikwazi ukusetshenziswa ekukhiqizeni isanti yemishini. Ngesikhathi sokukhiqiza isanti yemishini, kukhona izidingo ezithile ezimayelana namaphahla okuqala, njengoba:

1. Uma izinto ezisetshenziswa ekukhiqizeni isanti eyenziwe ngemishini zinezidingo ezithile zokomelela okukhulayo, futhi izinto ezingakwazi ukusetshenziswa ngezinkinga ezingase zibe khona.

2. Umgodi: gweba ukusetshenziswa kwe-overburden ejulile, amanzi amaningi phakathi kwama-interlayer kanye nokuhlupheka kwemigodi emibi njengeziqathanga zezitsha.

3. Izinto zokwakha zeqhwa ezibonakalayo: uma iqhwa livalwe ngesisekelo somhlabathi noma lihlanganiswe nesisekelo esihlakazwayo, kufanele siqale sithathe izinto zokwakha zeqhwa phambi kokwenziwa umfutho.

Izinto zokwakha ezivamile zokwenza umfutho owenziwe ngokomshini: amaqanda, i-limestone, i-granite, i-basalt, i-andesite, i-sandstone, i-quartzite, i-diabase, i-tuff, i-marble, i-rhyolite, i-ore ye-iron; izinto zokwakha eziphukile, i-tailings, i-tunnel slag, njll. Ngokwemibala ye-rock, kukhona umehluko emandleni nokusetshenziswa.

(2) Indlela yokwenza

Indlela yokwenza umfutho owenziwe ngokomshini ingahahlukaniswa ngezigaba ezilandelayo: iqhwa le-block → ukucindezela okukhulu → okwesibili

production process of manufactured sand

(3) Ukukhethwa kwesikhululo sokwenza isihlahla

Ngokuya ngendlela yokwahlukanisa i-stone powder, isinqumo sokwenza isihlahla singahlelwa ngokuba "ukwenza isihlahla ngamanzi", "ukwenza isihlahla ngaphandle kwamanzi" kanye "nokuwenza ngamanzi okuningi"; ngokuya ngenqwaba yomsebenzi, kungahlelwa ngokuba "ukwenza isihlahla ngokwahlukana" nangokuba "ukwenza isihlahla ngokusebenzisana"; ngokuya ngokwakhiwo, kungahlelwa ngokuba "isimo somgodi" nangokuba "isimo lesithambiso."

Ukwenza isihlahla ngamanzi kusetjenziswa kakhulu kumagobbane kanye nangezinye izinto ezibangela inqwaba ye-mud, okuqondene nokwehlisa inqwaba ye-mud, kodwa ukwehla kwe-sand emihle kunzima.