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Centrifugal screen

A centrifugal sieve and sieving technology, applied in the field of centrifugal sieves, can solve the problems of large space in the sieving cabin, difficulty in controlling the conveying force, direct movement to the discharge port, etc., and achieve the goal of improving screening efficiency, increasing output, and improving efficiency Effect

Inactive Publication Date: 2011-04-06
江阴市鑫达药化机械制造有限公司
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AI Technical Summary

Problems solved by technology

If the technical means of simply improving the conveying force are adopted, corresponding problems will also arise: the space in the screening cabin is large, and it is difficult to improve the structure of the scraper to achieve the effect of significantly increasing the conveying force; if air conveying is used, the conveying force is difficult to control , Excessive conveying force will easily cause the material to move directly to the discharge port without being fully screened, that is, the screening efficiency will be reduced

Method used

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Embodiment Construction

[0016] See figure 1 The present invention comprises main shaft 6 and frame 19, blower 1 and screening cabin 10 are installed on the frame 19, the left end face of screening cabin 10 is provided with feeding port 17, and the right end face of screening cabin 10 is provided with discharge port 13. The main shaft 6 is connected with the motor 18 through the belt transmission device 3, the main shaft 6 is tubular, the left end of the main shaft 6 is connected with the blower 1 through the rotary joint 2, the main shaft 6 passes through the feeding port 17 and the screening cabin 10, and the right end of the main shaft 6 passes through the bearing The seat 12 is connected with the right end face of the screening cabin 10 . The feeding pipe 5 is connected to the left end surface of the screening cabin 10 and is docked with the feeding port 17; the feeding hopper 4 is connected to the upper part of the feeding pipe 5, and the part where the left section of the main shaft 6 passes thr...

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Abstract

The invention discloses a centrifugal screen, which is characterized by comprising a rack and a principal shaft, wherein a screening cabin is arranged on the rack; a scraping plate connected with the principal shaft is arranged in the screening cabin; the two end surfaces of the screening cabin are respectively provided with a material inlet and a material outlet; the material inlet of the screening cabin is connected with a material feeding pipe; the upper part of the material feeding pipe is connected with a material feeding hopper; the principal shaft passes through the material feeding pipe and the screening cabin; two screens are arranged on the lower part of the screening cabin; the screen close to the material inlet is thinner than the screen close to the material outlet; the two screens respectively correspond to material collecting mouths which are respectively connected with an exhaust fan; the shell of the screening cabin is provided with two air inlets; and the air inlet close to the material inlet is larger than the air inlet close to the material outlet. The centrifugal screen enhances the powder screening efficiency through the structure improvement.

Description

technical field [0001] The present invention relates to screening machinery, in particular to centrifugal sieves. Background technique [0002] In chemical, pharmaceutical and other related fields, it is often necessary to screen powdery or granular materials to ensure that the mesh size reaches a certain value. The main component in the centrifugal sieve is the scraper, which generates centrifugal force when the scraper rotates. At the same time, the structure of the scraper The design can make it generate axial conveying force while rotating, and the material is thrown to the screen under the action of centrifugal force, and the material with the required mesh number passes through the screen and is collected, and the remaining unqualified materials are continuously conveyed to the discharge Mouth recovery and reprocessing. [0003] The existing centrifugal sieve adopts the design of a single-stage screening cabin, and a screen is set according to the mesh number of the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07B7/08B07B11/06
Inventor 顾军顾洪
Owner 江阴市鑫达药化机械制造有限公司
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