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Double-disc pelletizer for manufacturing double-layer pellets and method for controlling granularity of pellets by using double-disc pelletizer

A technology of pelletizing machine and double discs, which is applied in the direction of program control, program control, general control system, etc. in the sequence/logic controller, can solve the problem that the pelletizing machine cannot be used to produce double-layer pellets.

Active Publication Date: 2021-11-12
CENT SOUTH UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention aims to solve the technical problem that the existing pelletizing machine cannot be used to produce double-layer pellets. Based on the original disc pelletizing machine, a new type of double-disc pelletizing machine is provided for the production of technical innovation. Double-layer pellets and method for controlling pellet size

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  • Double-disc pelletizer for manufacturing double-layer pellets and method for controlling granularity of pellets by using double-disc pelletizer
  • Double-disc pelletizer for manufacturing double-layer pellets and method for controlling granularity of pellets by using double-disc pelletizer

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Embodiment Construction

[0032] Such as figure 1 , figure 2 As shown, the double-disk pelletizer for manufacturing double-layer pellets disclosed in this embodiment has the following structural composition and working principle:

[0033] The main structure includes small-diameter disc 1, large-diameter disc 2, pelletizing machine base 3, two pelletizing machine support platforms 4, two sets of hydraulic lifting drive devices 5, two sets of rotating drive devices, and inner ball chute 25. Double-layer ball chute 26, dripper 14, mist water sprayer 15, four sets of scraper sets, and two sets of pellet particle size collection and analysis devices.

[0034] The pelletizing machine base 3 is fixed on the ground and is used to support the entire pelletizing equipment. The small diameter disk 1 makes the inner layer of the double-layer pellets, and the large diameter disk 2 makes the outer layer of the double-layer pellets.

[0035] The two pelletizing machine support platforms 4 are arranged left and ri...

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Abstract

The invention discloses a double-disc pelletizer for manufacturing double-layer pellets and a method for controlling the granularity of pellets by using the double-disc pelletizer. Two pelletizing discs with different diameters are arranged on the pelletizer, a small-diameter disc is used for manufacturing the inner layer of the double-layer pellets, and a large-diameter disc is used for manufacturing the outer layer of the double-layer pellets. The two discs are each provided with a lifting driving device and a rotating driving device. Inclination angle adjustment of a support platform is achieved through telescopic movement of a lifting device, so that inclination angle adjustment of the discs is achieved, and rotation of the discs is achieved through the rotating driving devices. The two discs are each provided with the lifting driving device and the rotating driving device, and the inclination angles and the rotating speeds of the lifting driving devices and the rotating driving devices can be independently adjusted, so that double-layer pellets with variable inner and outer layer thicknesses can be produced. Meanwhile, the pellet granularity acquisition and analysis device and the rotation driving device are associated to change the rotating speed and the inclination angle in real time, so that the accuracy of the inner and outer layer thicknesses and the total alkalinity of the double-layer pellets is improved. The double-disc pelletizer and method are suitable for manufacturing the double-layer pellets with high strength and uniform granularity in batches.

Description

technical field [0001] The invention relates to the technical field of pelletizing machines, in particular to a double-disc pelletizing machine for manufacturing double-layer pellets and a method for controlling the particle size of the pellets. Background technique [0002] The most widely used pelletizers are disc pelletizers, cylinder pelletizers, cone pelletizers, etc. These pelletizers are used to make fine-grained powdery materials into spherical materials whose particle size meets the requirements of the next operation. Pelletizing equipment is widely used in iron and steel, nonferrous metallurgy, cement, fertilizer and other industrial fields. [0003] In the related art, all known types of pelletizers are mainly used to produce pellets (granules) with uniform composition, that is, the chemical composition of the inner and outer layers of the pellets is basically the same. This production mode is very mature and widely used in various industries, but the existing pe...

Claims

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Application Information

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IPC IPC(8): B01J2/14G05B19/05H04N5/225C22B1/24
CPCB01J2/14G05B19/05G05B19/058C22B1/2406H04N23/55
Inventor 陈凤杨凌志王帅刘阔郭宇峰刘雅婧
Owner CENT SOUTH UNIV
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