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Press die cover for biomass granulator

A granulator and biomass technology, applied in the direction of extrusion and granulation of the mold, can solve the problems of cracking and damage of the die cover, and the screws of the die cover are easily damaged, so as not to crack, ensure normal use, and overcome thermal expansion. Effects of shrinkage problems

Inactive Publication Date: 2013-02-06
LIYANG ZHENYANG MACHINERY PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its main disadvantages: after thermal expansion and cold contraction, the die cover will crack and be damaged, and the screws of the die cover are easily damaged

Method used

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  • Press die cover for biomass granulator
  • Press die cover for biomass granulator
  • Press die cover for biomass granulator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0021] Such as Figure 1 ~ Figure 3 As shown, a die cover for a biomass granulator includes an outer side A3 and an inner cover A4, and the outer side A3 and the inner cover A4 are fixedly connected together. A first notch 1 is formed on the outer side A3, and the first notch 1 extends from the outer side to the inner side of the outer side A3 and does not contact the inner cover A4. The inner cover A4 is provided with a second notch 2, and the second notch 2 extends from the inner side to the outer side of the inner cover A4 and does not touch the outer side A3.

[0022] There is at least one first notch 1, preferably four; at least one second notch 2, preferably four; the first notch 1 and the second notch 2 are evenly spaced.

[0023] When the die cover for biomass granulator is deformed due to thermal expansion and contraction, the deformation will act on the first notch 1 and the second notch 2, so the die cover for biomass granulator can effectively overcome thermal exp...

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PUM

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Abstract

The invention relates to a granulator, in particular to a press die protective cover for a biomass ring die granulator. The technical scheme includes that the press die cover for the biomass granulator comprises an outer edge (3) and an inner cover A (4) which are fixedly connected, a first notch (1) is reserved on the outer edge A (3) and extends from the outer side of the outer edge (3) to the inner side of the same and does not contact with the inner cover A (4). By above technical scheme, the problem about expansion caused by heat and contraction caused by cold is solved, and a screw of the press die cover is not prone to damage.

Description

technical field [0001] The invention relates to a granulator, in particular to a mold protective cover for a biomass ring die granulator. Background technique [0002] The working principle of the ring die pellet mill is to use the strong extrusion of the ring die and the pressure roller to gradually squeeze the biomass into the die hole of the ring die and form it in the die hole. Extrusion, the formed material is continuously discharged from the die hole in a columnar shape, and then cut into particles of required length by a cutter. [0003] The ring die granulator is mainly composed of a motor, a transmission empty shaft, a die and a press roller. For the ring die granulator driven by the pulley, the motor drives the drive shaft to rotate through the pulley, and the drive shaft drives the die or / and the pressure roller to rotate. For the gear-driven ring die granulator, the motor drives the transmission idle shaft to rotate through the gear, and the transmission idle ...

Claims

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Application Information

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IPC IPC(8): B01J2/22
Inventor 杨永君
Owner LIYANG ZHENYANG MACHINERY PLANT