T¨®m t?t£ºNhi?u nh¨¤ ??u t? c¨® ? ??nh ??u t? v¨¤o m¨¢y nghi?n ?¨¢ l¨¤m c¨¢t do ng¨¤nh v?t li?u x?y d?ng ph¨¢t tri?n nhanh trong nh?ng n?m g?n ??y.

C?n hi?u r? quy tr¨¬nh s?n xu?t c¨¢t nh?n t?o trong b?i c?nh c¨¢t nh?n t?o th? tr??ng ?ang n¨®ng. Nh? ch¨²ng ta ?? bi?t, quy tr¨¬nh s?n xu?t c¨¢t nh?n t?o ch? y?u bao g?m quy tr¨¬nh kh?, b¨¢n kh? v¨¤ ??t. Ng??i d¨´ng c¨® th? s?n xu?t c¨¢c lo?i c¨¢t nh?n t?o v?i k¨ªch th??c kh¨¢c nhau t¨´y thu?c v¨¤o quy tr¨¬nh s?n xu?t. Tuy nhi¨ºn, v?n c¨°n nhi?u ng??i ch?a quen thu?c v?i ba quy tr¨¬nh s?n xu?t c¨¢t n¨¤y, v¨¬ v?y ti?p theo ch¨²ng t?i s? gi?i thi?u m?t s? c?u h?i v? c¨¢c quy tr¨¬nh n¨¤y.

1. ?u ?i?m c?a ph??ng ph¨¢p s?n xu?t c¨¢t kh? l¨¤ g¨¬?

  • N?ng ?? n??c trong c¨¢t nh?n t?o s?n xu?t b?ng ph??ng ph¨¢p kh? th??ng nh? h?n 2%, v?a th??ng m?i ho?c v?a kh? c¨® th? ???c s? d?ng tr?c ti?p.
  • N?ng ?? b?t ?¨¢ trong c¨¢t ho¨¤n thi?n c¨® th? ???c ?i?u ch?nh v¨¤ t¨¢i ch? t?p trung, v¨¤ l??ng b?i ph¨¢t th?i c¨® th? ???c gi?m thi?u.
  • Quy tr¨¬nh s?n xu?t c¨¢t kh? c¨® th? ti?t ki?m t¨¤i nguy¨ºn n??c kh?ng ch? cho n??c (¨ªt ho?c kh?ng c?n n??c), m¨¤ c¨°n cho c¨¢c ngu?n t¨¤i nguy¨ºn thi¨ºn nhi¨ºn kh¨¢c.
  • ?i?u quan tr?ng ??i v?i ng??i d¨´ng l¨¤ ki?m so¨¢t m?t s? lo?i ho?t ??ng v?i ph??ng ph¨¢p kh?, ?i?u n¨¤y t?t cho vi?c th?c hi?n qu?n l? t? ??ng.
  • Quy tr¨¬nh s?n xu?t c¨¢t kh? kh?ng b? ?nh h??ng b?i ??a l?, h?n h¨¢n v¨¤ m¨´a ??ng l?nh.

2. T?i sao quy tr¨¬nh ??t ???c s? d?ng ¨ªt h?n?

  • Tr??c h?t, quy tr¨¬nh ??t c?n r?t nhi?u n??c.
  • ?? ?m c?a c¨¢t ho¨¤n thi?n cao, v¨¬ v?y c?n ph?i kh? n??c.
  • ?? m?n c?a c¨¢t ho¨¤n thi?n (b?ng quy tr¨¬nh ??t) th?, v¨¤ c¨® th? c¨® s? m?t c¨¢t m?n trong qu¨¢ tr¨¬nh r?a c¨¢t, d?n ??n s?n l??ng c¨¢t th?p.
  • S? c¨® m?t l??ng l?n b¨´n v¨¤ n??c th?i trong qu¨¢ tr¨¬nh s?n xu?t c¨¢t ??t, g?y ? nhi?m m?i tr??ng.
  • Qu¨¢ tr¨¬nh s?n xu?t ??t kh?ng th? ho?t ??ng b¨¬nh th??ng trong m¨´a kh? h?n, m?a ho?c r¨¦t ??m.

3. ??c ?i?m c?a qu¨¢ tr¨¬nh s?n xu?t c¨¢t b¨¢n kh?

Compared to wet sand production process, the finished sand made by semi-dry doesn’t need to be washed, so the water consumption is much less than that of wet process, the stone powder and water content of finished sand can be effectly reduced.

Chi ph¨ª ??u t? cho qu¨¢ tr¨¬nh s?n xu?t c¨¢t b¨¢n kh? cao h?n so v?i qu¨¢ tr¨¬nh s?n xu?t c¨¢t kh?, nh?ng th?p h?n so v?i qu¨¢ tr¨¬nh s?n xu?t c¨¢t ??t. H¨¤m l??ng b?t ?¨¢ trong c¨¢t ho¨¤n thi?n v¨¤ chi ph¨ª v?n h¨¤nh c?ng l¨¤ nh?ng y?u t? c?n xem x¨¦t.

4. Quy tr¨¬nh s?n xu?t c¨¢t kh?, ??t, b¨¢n kh?, ch?n lo?i n¨¤o?

(1) Ch?n theo y¨ºu c?u s?n xu?t

Tr??c h?t, ng??i d¨´ng n¨ºn mua m¨¢y nghi?n c¨¢t ph¨´ h?p v?i ngu?n n??c c?a khu v?c, y¨ºu c?u v? h¨¤m l??ng b?t v¨¤ h? s? m?n c?a c¨¢t s?n xu?t, c?ng nh? ?? s?ch c?a nguy¨ºn li?u.

G?i ? ng??i d¨´ng c¨® th? ch?n quy tr¨¬nh s?n xu?t c¨¢t kh? tr??c, quy tr¨¬nh b¨¢n kh? l¨¤ l?a ch?n th? hai, sau ?¨® ??n quy tr¨¬nh ??t.

(2) Chi ph¨ª s?n xu?t

T? quan ?i?m chi ph¨ª ??u v¨¤o thi?t b? c?a nh¨¤ m¨¢y s?n xu?t c¨¢t v¨¤ chi ph¨ª x? l? c¨¢t s?i, c?ng nh? kh¨® kh?n trong qu?n l? s?n xu?t c¨¢t, vi?c l?a ch?n ph??ng ph¨¢p kh? (sau ?¨® l¨¤ ph??ng ph¨¢p b¨¢n kh?, cu?i c¨´ng l¨¤ ph??ng ph¨¢p ??t) v?n ???c ?u ti¨ºn.

With 30 years’ experience of making sand, Â鶹Éç has introduced advanced foreign concepts, pushing out the VU Tower-like Sand-making System. The aggregate produced by VU Sand-making System always features excellent quality and the production process produces no sludge, waste water or dust, completely meeting the requirements for environmental protection. It has brought huge benefits and development opportunities for sand, dry mixing, commercial mixing, pipe pile, cement products and other industries.