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Title:
MESH BELT PLANE GYRATORY SCREEN WITH FUNCTION OF REMOVING LARGE IMPURITIES FIRST, AND GRAIN IMPURITY REMOVAL METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/091335
Kind Code:
A1
Abstract:
Disclosed are a mesh belt plane gyratory screen with the function of removing large impurities first, and a grain impurity removal method thereof. The mesh belt plane gyratory screen comprises a screen frame (1), wherein a screen box (2) is suspended in the screen frame via rocker rods (9), swing rods or steel wire ropes; the screen box (2) is internally provided with a large- and medium-impurity mesh belt screen (3) and a small-impurity mesh belt screen (4); the screen box (2) is connected to a plane gyratory motion mechanism (5); the plane gyratory motion mechanism (5) provides the screen box (2) with a power source for performing a circular motion; two sides of the large- and medium-impurity mesh belt screen (3) and/or the small-impurity mesh belt screen (4) are connected to a side plate (22) via a sealing structure (6); a lower portion of the large- and medium-impurity mesh belt screen (3) is provided with a grain-guiding mechanism (7); an inlet of the small-impurity mesh belt screen (4) is located at the lower end of the grain-guiding mechanism (7); and the large- and medium-impurity mesh belt screen (3) and the small-impurity mesh belt screen (4) are both connected to a driving mechanism (8). With the above structure, the efficiency of impurity removal is improved, the impurity removal is more sufficient, and the quality is higher.

Inventors:
LIU, Quanyi (No.26 Donghu Street, Jizhong District Yingbin Road, Development Zon, Harbin Heilongjiang 8, 150078, CN)
Application Number:
CN2018/113573
Publication Date:
May 16, 2019
Filing Date:
November 02, 2018
Export Citation:
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Assignee:
LIU, Quanyi (No.26 Donghu Street, Jizhong District Yingbin Road, Development Zon, Harbin Heilongjiang 8, 150078, CN)
International Classes:
B07B1/10; B07B1/38
Attorney, Agent or Firm:
HARBIN ORIENT LAW PATENT & TRADEMARK OFFICE (CHEN, Xiaoguang2F, Unit 1/2F, Unit 2, No.299, Dongdazhi Road, Nangang Distric, Harbin Heilongjiang 1, 150001, CN)
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