T¨®m t?t£ºCh¨²ng ta ??u bi?t c¨® r?t nhi?u ph? th?i c?n ???c x? l? b?ng m¨¢y nghi?n trong c¨¢c ng¨¤nh luy?n kim, khai th¨¢c m?, h¨®a ch?t, xi m?ng v¨¤ c¨¢c ng¨¤nh c?ng nghi?p kh¨¢c.
Ch¨²ng ta ??u bi?t c¨® r?t nhi?u ph? th?i c?n ???c x? l? b?ng m¨¢y nghi?n trong c¨¢c ng¨¤nh luy?n kim, khai th¨¢c m?, h¨®a ch?t, xi m?ng v¨¤ c¨¢c ng¨¤nh c?ng nghi?p kh¨¢c. L¨¤ thi?t b? kh?ng th? thi?u trong s?n xu?t v?t li?u x?y d?ng.
As early as the primitive era, there had appeared simple crushing equipment. With the development of human civilization, this simple crusher has also experienced the evolution from manual to steam era to mechanical intelligence. That’s to say there is a modern industrial evolution on crusher.
As early as 2,000 B.C, China had the most smashing tool —Chu Jiu, a major cereal husking tool. And it evolved into a pedal (200 B.C to 100 B.C) later. Although these tools can't come up with current electric equipment, they have the prototype of crusher and their way of breaking is still intermittent.
±·³ó¨¤ m¨¢y nghi?n ??ng v?t was continuously crushing tools as crusher used by the humanity in the earliest period. The other is roll milling (appearing later than animal’s).
Hai tr?m n?m sau, d?a tr¨ºn hai c?ng c? n¨¤y, Du Yu, m?t ng??i Trung Qu?c c? ??i, ?? ph¨¢t tri?n c?i xay n??c v?i s?c m?nh th?y l?c l¨¤m ??ng l?c ?? c?i thi?n hi?u qu? nghi?n l¨ºn m?t t?m cao m?i. Ngo¨¤i vi?c ???c s? d?ng ?? ch? bi?n ng? c?c, nh?ng c?ng c? n¨¤y d?n d?n ???c m? r?ng sang vi?c nghi?n c¨¢c v?t li?u kh¨¢c.
±·³ó¨¤ m¨¢y nghi?n ??ng v?t
Tr??c th? k? 19, c¨¢c qu?c gia tr¨ºn th? gi?i v?n s? d?ng ph??ng ph¨¢p th? c?ng ban ??u ?? nghi?n v¨¤ s¨¤ng v?t li?u. C¨´ng v?i s? ti?n b? c?a x? h?i v¨¤ c?ng ngh?, ph??ng ph¨¢p th? c?ng ban ??u n¨¤y ?? kh?ng c¨°n ?¨¢p ?ng ???c nhu c?u ph¨¢t tri?n s?n xu?t.
Nh?ng s? ra ??i c?a th?i ??i h?i n??c v¨¤ ?i?n ?? thay ??i m?i th?.
Con ng??i b?t ??u hi?u bi?t v? m¨¢y m¨®c v¨¤ b?t ??u ph¨¢t tri?n c¨¢c thi?t b? nghi?n v¨¤ s¨¤ng ?? thay th? lao ??ng th? c?ng.
N?m 1806, m¨¢y nghi?n b?ng x¨ªch ???c v?n h¨¤nh b?ng ??ng c? h?i n??c ?? xu?t hi?n.
K? nguy¨ºn h?i n??c c?a m¨¢y nghi?n trong cu?c ?ua
N?m 1858, E.W. Black, ng??i M?, ?? ph¨¢t minh ra m¨¢y nghi?n h¨¤m cho ?¨¢ v?.
M¨¢y nghi?n h¨¤m ??u ti¨ºn tr¨ºn th? gi?i ???c thi?t k? v¨¤ s?n xu?t b?i ng??i M? E.W. Black
Jaw crusher’s structure is double bracket type (simple swing type). Since it has advantages of simple structure, easy manufacture and maintenance, reliable work, small volume and height, it is still widely used in crushing various materials, such as a variety of ore, solvent, slag, building stone, and marble and so on.
??n n?m 1878, ng??i M? ?? ph¨¢t minh ra ph??ng ph¨¢p nghi?n li¨ºn t?c b?ng m¨¢y nghi?n quay; hi?u su?t s?n xu?t c?a n¨® cao h?n nhi?u so v?i ph??ng ph¨¢p nghi?n gi¨¢n ?o?n b?ng m¨¢y nghi?n h¨¤m.
M¨¢y nghi?n quay do M? ph¨¢t minh
N?m 1895, ng??i M? William ?? ph¨¢t minh ra m¨¢y nghi?n va ??p v?i m?c ti¨ºu th? n?ng l??ng th?p h?n.
C¨´ng v?i s? ph¨¢t tri?n li¨ºn t?c c?a n?ng su?t, m¨¢y nghi?n h¨¤m kh?ng ?¨¢p ?ng ??y ?? nhu c?u c?a c?ng ngh? nghi?n. Do ?¨®, con ng??i ?? thi?t k? m¨¢y nghi?n va ??p hi?u qu? h?n.
S? ph¨¢t tri?n c?a m¨¢y nghi?n va ??p c¨® th? ???c truy ngu?n t? nh?ng n?m 1950, khi c?u tr¨²c c?a m¨¢y nghi?n ???c...
Cho ??n n?m 1924, ng??i ??c l?n ??u ti¨ºn ph¨¢t tri?n m¨¢y nghi?n va ??p m?t v¨¤ hai rotor.
N?m 1942, d?a tr¨ºn c¨¢c ??c ?i?m c?u tr¨²c v¨¤ nguy¨ºn l? ho?t ??ng c?a m¨¢y nghi?n l?ng s¨®c, Andreson ?? ph¨¢t minh ra d¨°ng m¨¢y nghi?n va ??p AP, t??ng t? nh? m¨¢y nghi?n va ??p hi?n ??i.
M¨¢y c¨® th? x? l? v?t li?u t??ng ??i l?n v?i hi?u su?t s?n xu?t cao. C?u tr¨²c ??n gi?n c?a n¨® thu?n l?i h?n cho vi?c b?o tr¨¬, do ?¨® lo?i m¨¢y nghi?n va ??p n¨¤y ?? ph¨¢t tri?n nhanh ch¨®ng.
??n n?m 1948, m?t c?ng ty M? ?? ph¨¢t tri?n m¨¢y nghi?n n¨®n th?y l?c, t? ?¨® ?? ???c s? d?ng trong c¨¢c l?nh v?c c?ng nghi?p cho ??n ng¨¤y nay.
M¨¢y nghi?n h¨¬nh n¨®n ??u ti¨ºn tr¨ºn th? gi?i ???c t?o ra b?i anh em Symons (m¨¢y nghi?n h¨¬nh n¨®n Symons). Tr?c ch¨ªnh ???c l?p v¨¤o c¨¢c v¨°ng kh¨®a l?ch t?m v¨¤ ???c ?i?u khi?n b?i c¨¢c v¨°ng kh¨®a l?ch t?m ?? di chuy?n h¨¬nh n¨®n di ??ng. B?ng c¨¢ch h¨¬nh n¨®n di ??ng di chuy?n qua l?i, ?¨¢ qu?ng ???c nghi?n v¨¤ u?n li¨ºn t?c trong bu?ng nghi?n.
M¨¢y Nghi?n H¨¬nh N¨®n Th?y L?c
V?i s? ho¨¤n thi?n ng¨¤y c¨¤ng t?ng c?a l? thuy?t nghi?n v¨¤ s? ph¨¢t tri?n h?n n?a c?a khoa h?c v¨¤ c?ng ngh?, nhi?u lo?i m¨¢y nghi?n hi?u su?t cao ra ??i, c?i thi?n ?¨¢ng k? hi?u qu? nghi?n.
C¨¢c ng¨¤nh c?ng nghi?p kh¨¢c nhau c¨® y¨ºu c?u s?n ph?m kh¨¢c nhau, do ?¨® ?? xu?t hi?n nhi?u lo?i m¨¢y nghi?n kh¨¢c nhau d?a tr¨ºn c¨¢c nguy¨ºn l? ho?t ??ng kh¨¢c nhau, ch?ng h?n nh? m¨¢y nghi?n rung, m¨¢y nghi?n c¨¢t v¨¤ m¨¢y nghi?n keo.
Ngay t? nh?ng n?m 1970, c¨¢c m¨¢y nghi?n quay l?n v?i c?ng su?t 5.000 t?n m?i gi? v¨¤ ???ng k¨ªnh v?t li?u 2.000 milim¨¦t ?? ???c ph¨¢t tri?n.
??ng th?i, ?? n?ng cao t¨ªnh c? ??ng c?a m¨¢y nghi?n, nh¨¤ m¨¢y nghi?n v¨¤ s¨¤ng di ??ng ?? ???c ph¨¢t tri?n, c¨® th? ho?t ??ng linh ho?t trong l?nh v?c v?n chuy?n nhanh v¨¤ c?c k? ph? bi?n.
China didn't start having crusher until the 1950s. Domestic impact crushers were limited to medium and hard materials such as coal and limestone before1980s. Until the end of 1980s, China introduced KHD type hard rock impact crusher, which filled the domestic blank of crusher. But it’s still behind many in developed countries for more than 20 years.
D¨°ng s?n xu?t s¨¤ng nghi?n c? ??nh trong n??c
Tuy nhi¨ºn, sau th? k? 21, thi?t b? nghi?n c?a Trung Qu?c b??c v¨¤o m?t giai ?o?n ph¨¢t tri?n c?c k? nhanh ch¨®ng v¨¤ kho?ng c¨¢ch gi?a Trung Qu?c v¨¤ tr¨¬nh ?? ti¨ºn ti?n qu?c t? ?ang d?n thu h?p. Trung Qu?c
T? v?n
Nh?n gi?i ph¨¢p