External cylindrical vibrating screen for screening ore pulp material
A technology of material sieve and vibrating screen, which is applied in the direction of sieving, solid separation, grid, etc., can solve the problems of low sieving rate, short service life, low classification efficiency, etc., to improve the sieving rate and classification efficiency, extend the The effect of long service life and simple structure
Inactive Publication Date: 2019-02-19
HUBEI XINYING ENVIRONMENTAL TECH
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Problems solved by technology
[0003] The purpose of the present invention is to solve the problems of low sieving rate, short service life and low classification efficiency in existing cylindrical sieves, and to provide an external cylindrical vibrating screen for pulp material screening
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[0018] see Figure 1-5 , the present embodiment provides an external cylindrical vibrating screen for screening pulp materials, including a frame 1, a screen box 2 and a screen cylinder 3 built in the screen box 2, and the outer wall of the screen cylinder 3 is mounted There is a screen 4, and a coaxially arranged main shaft 5 is arranged inside the screen cylinder 3, and one end of the main shaft 5 protrudes from the screen box 2 and is connected with the driving mechanism; a coaxially arranged squirrel-cage transmission cylinder is arranged on the inner side of the screen cylinder 3 6. Two vibrating discs 7 coaxially arranged at both ends of the transmission cylinder 6 are installed, and the left and right sides of each vibrating disc 7 are equipped with vibrating motors 8 arranged coaxially, wherein the vibrating motors 8 adopt High-frequency low-amplitude wall-mounted vibration motor with fully sealed structure, the output shaft of the vibration motor 8 is coaxially connec...
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The invention discloses an external cylindrical vibrating screen for screening an ore pulp material. The external cylindrical vibrating screen comprises a rack, a screen box, a screen drum and a screen mesh, wherein a main shaft is arranged in the screen drum, and one end of the main shaft extends out of the screen box and is connected to a driving mechanism; a transmission drum is coaxially arranged at the inner side of the screen drum; a vibration disc is arranged along the central axis of the transmission drum; vibration motors are arranged at the left side and right side of the vibration disc; output shafts of the vibration motors are coaxially connected to the main shaft; the vibration disc is connected to the screen drum through spring supporting parts which are arranged in a radialdirection; a feed hopper is arranged on the rack; an annular stop opening is formed at the port of the feeding end of the screen drum; and an oversize collecting hopper and a sieve residue collectinghopper are arranged at the lower side of the rack. The external cylindrical vibrating screen solves the problem that the pulp material stagnates and stick on the screen mesh of the high-speed rotatingcylindrical vibrating screen by carrying out the high-frequency shock excitation on the screen mesh of the cylindrical vibrating screen in the rotating process, thus, the sieving rate and classification efficiency of the cylindrical vibrating screen are effectively improved, and the service life of the cylindrical vibrating screen is prolonged.
Description
technical field [0001] The invention relates to a cylindrical sieve, in particular to an external cylindrical vibrating screen used for screening pulp materials. Background technique [0002] At present, cylindrical screens are usually used to classify ultrafine pulp materials. This type of cylindrical screen is equipped with a main shaft rigidly connected directly to the screen surface, and the rotation of the cylindrical screen is controlled by the drive system through the main shaft. When working, the working speed of this cylindrical screen should not be too high, otherwise the slurry material will stick to the screen surface, and the negative stagnation of the slurry material on the screen surface will cause the movement of the screened material on the screen surface to be biased. Slow, the screening rate is low; this also accelerates the premature wear of the screen surface of the cylinder screen; at the same time, the processing capacity of the cylinder screen per uni...
Claims
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IPC IPC(8): B07B1/26B07B1/42B07B1/46
CPCB07B1/26B07B1/42B07B1/46B07B2230/01
Inventor 洪镇波周国春胡水洋殷浩东梅求文程慧敏莫江洲易红春
Owner HUBEI XINYING ENVIRONMENTAL TECH
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