Misinị Ebe Nri Oji | Onu Egwe VSI maka Oji Osisi

Anyị wepụtara hammer crusher nke ha na-eji iji wepụta sand, ma tinye n’ime nke anyị—na-ewepụta fines n’ime 30% Ọ bụ otu concrete batching plant n’ime Thailand nke nwere ike ịdị mma n’ime ndị ọzọ nke ha na-eme iji wepụta sand. Hammer crusher nke ha nwere ike ịwepụta dust karịsịa, nke wakwa ihe ọjọọ nke concrete workability ma kwekọwe nke cement nke ha na-eji. Anyị wepụtara vertical-shaft impact sand making machine nke anyị n’ime cascade air flow system. N’ime mbụ: gradation nke sand wepụtara n’ime nke ha na-ekwu ọrụ. Fines content wepụtara n’ime 18% ruo n’ime 12%. Onye isi nke plant a kwuru anyị: "Anyị nwere ike ịgbanwe sand nke anyị n’ime natural sand n’ime ọrụ, ma anyị enweghị ike ịgbanwe aha." Otú ọrụ nke Indian Concrete Institute n’ime 2023 wepụtara na manufactured sand nke dị mma n’ime gradation nwere ike ịwepụta cement nke ha na-eji n’ime 8–10% n’ime standard mixes. Lab nke onye na-eme ọrụ anyị wepụtara ya n’ime ụbọchị iri.