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Ring die mechanism of ring die granulator

A technology of granulator and ring die, which is applied in the fields of die extrusion granulation, feed, food science, etc. Convenience, waste avoidance, easy assembly and disassembly effect

Pending Publication Date: 2019-06-07
BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing ring die structure of the granulator has the following problems: 1. Most of them are in the form of one piece, and the material is single; 2. As a wearing part, the ring die needs to be replaced as a whole once it is partially worn, resulting in waste of cost ;3. When the ring die is blocked, it is inconvenient to clean; 4. The quality of the pellets is poor;

Method used

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  • Ring die mechanism of ring die granulator
  • Ring die mechanism of ring die granulator
  • Ring die mechanism of ring die granulator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] A ring die mechanism of a ring die granulator, comprising a first die disc 1, a second die disc 2 and a third die disc 3; the first die disc 1 includes a first flange 11 and a first cylinder 12, The inner ring of the first flange 11 is processed with a first outer through hole 111 and a first inner through hole 112 , and the end surface of the first cylinder 12 away from the first flange 11 is processed with a first installation hole 121; the second mold plate 2 includes a second flange 21 and a second cylinder 22, the inner ring of the second flange 21 is processed with a second through hole 211, and the second cylinder 22 is away from the second flange 21 is processed with a second mounting hole 221 on one side; the third mold plate 3 includes a third flange 31 and a third cylinder 32, and the third flange 31 is processed with a third through hole 311, and the third A third mounting hole 321 is processed on the end face of the cylinder 32 away from the third flange 31...

Embodiment 2

[0054] A ring die mechanism of a ring die granulator as described in Example 1, the difference is that the pre-tightening hole 322 is a conical hole of 30° to 45°; the length of the second forming hole 222 is the 2.5-6.5 times the length of the pre-tightening hole 322, the length of the first forming hole 122 is 1.5-4.5 times the length of the pre-tightening hole 322; the diameter of the second forming hole 222 is 0.6 times the minimum diameter of the pre-tightening hole 322 ~1 times, the diameter of the first forming hole 122 is 0.4~1 times the minimum diameter of the pre-tightening hole 322 .

Embodiment 3

[0056] A ring die mechanism of a ring die granulator as described in Example 1, the difference is that the pre-tightening hole 322 is a 40° conical hole; the length of the second forming hole 222 is the length of the pre-tightening hole 5.5 times of the length of 322, the length of the first forming hole 122 is 2.5 times of the length of the pre-tightening hole 322; the diameter of the second forming hole 222 is 1 time of the minimum diameter of the pre-tightening hole 322, and the first The diameter of the forming hole 122 is 0.6 times the minimum diameter of the pre-tightening hole 322 .

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Abstract

The invention discloses a ring die mechanism of a ring die granulator. The ring die mechanism comprises a first die disc, a second die disc and a third die disc. Mounting hole through holes and mounting holes are respectively formed in the three layers of mold discs. A pre-tightening hole is formed in the third cylinder, the pre-tightening hole is conical in shape and the diameter of the pre-tightening hole is gradually reduced from inside to outside. A second forming hole is machined in the second cylinder, and the diameter of the second forming hole is smaller than or equal to the minimum diameter of the pre-tightening hole. A first forming hole is machined in the first cylinder, and the diameter of the first forming hole is smaller than or equal to that of the second forming hole. Compared with the prior art, the mold has the beneficial effects that the thickness of the single-layer mold plate is reduced, and the mold hole structure of the single-layer mold plate is simplified; Themold disc is convenient to replace, the granulation requirement of complex feed raw materials can be met, and feed particles with different hardness requirements can be extruded; the feed quality is improved, and the circular mold operation efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of feed processing and relates to a ring die mechanism of a ring die pellet mill. Background technique [0002] Feed is the material basis for the development of modern animal husbandry and aquaculture, is an important part of the modern agricultural industry system, and plays an extremely important role in the national economy (Ding Qiang, Wang Zhengnan. The status and influence of the feed industry in the national economy [J ]. Feed Research, 2010 (2): 13-14). my country's feed industry started late, but has a large demand and rapid development. In 2016, the total national feed output was about 210 million tons, and it has become the most important feed producer in the world (National Animal Husbandry Central Station. 2016 National Feed Industry Statistics [J]. China Feed, 2017(13): 1~2). [0003] As the main machine of feed production, the ring die pellet mill is a typical extrusion molding equipment wit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J2/22A23N17/00
Inventor 彭飞方芳黄志刚刘玉德
Owner BEIJING TECHNOLOGY AND BUSINESS UNIVERSITY