Tooth-profile-variable grinding disc for cylindrical pulping machine

A cylindrical refiner technology, applied in pulp beating/refining methods, textiles and papermaking, fiber raw material processing, etc., can solve the problem of little or no change in tooth shape of grinding teeth, small adjustment range of refining quality, Restricting the effect of refining and other issues, to achieve the effect of facilitating adjustment, improving the function of grinding and refining, and improving the quality of pulping

Pending Publication Date: 2021-02-05
丹东鸭绿江磨片有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the current prior art, all the grinding teeth and grooves in these refining areas and the generatrix cut-in angle α of the grinding disc are set to be arranged at the same fixed angle, and the width of the grinding teeth and grooves It is also always equal in the entire refining area of ​​the refining disc, and the tooth profile of the grinding teeth has lit...

Method used

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  • Tooth-profile-variable grinding disc for cylindrical pulping machine
  • Tooth-profile-variable grinding disc for cylindrical pulping machine
  • Tooth-profile-variable grinding disc for cylindrical pulping machine

Examples

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Embodiment Construction

[0025] figure 1 A cylindrical refiner 10 structure is shown. The structure of the cylindrical refiner 10 includes a body casing 11, a frame 12, a rotor 13, a slide plate 14, a pulp inlet channel 16, and a pulp outlet channel 17, etc. The rotor 13 and the slide plate 14 are used together. The rotor 13 is supported and fixed by the frame 12 and bearings at both ends. One end 13' is powered by an external power source to make it rotate, and the other end 13" has a hollow structure inside as a passage 16 for pulp raw materials. The pulp raw materials are transported by pipelines and then enter the rotor. 13 The hollow channel 16 overflows radially from several overflow holes 24 provided at about the middle of the rotor 13, and enters the gap between two pairs of four groups of grinding discs 1, 1' installed on the left and right sides of the overflow hole 24 along the axial direction. Among them, the two pairs of four groups of grinding discs 1, 1' are composed of rotor grinding...

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Abstract

The invention relates to a tooth-profile-variable grinding disc for a cylindrical pulping machine. The grinding disc comprises 4-8 rotor grinding discs fixed on a rotor of the pulping machine and 4-8stator grinding discs fixed on a sliding block of a shell of the pulping machine. The grinding disc further comprises an inlet end, a pulping area and an outlet end, wherein the inlet end, the pulpingarea and the outlet end are all provided with grinding teeth and grooves, and the grinding teeth and the grooves at the inlet end, the grinding area and the outlet end are different in number, shape,width or cut-in angle. The grinding disc of the invention adopts grinding teeth and groove structures with various parameters such as variable shapes, widths, angles and the like, so paper pulp raw materials can enter the pulp grinding area, the comprehensive pulp grinding function of the grinding disc is enhanced, and pulping quality and economic benefits are improved.

Description

technical field [0001] The invention relates to a refiner disc in the paper-making and pulping industry, in particular to a cylindrical refiner disc with variable tooth shape. Background technique [0002] The refiner is the main equipment for paper pulping. There are double disc and cone refiners, as well as cylindrical refiners. The structure of the cylindrical refiner is mainly composed of an organic casing, a frame, a rotor, a slide plate, a pulp inlet channel, and a pulp outlet channel. One end of the rotor is the power end, which is powered by an external power source to make it rotate. The other end of the rotor is hollow inside, which is used as a passage for pulp raw materials. The pulp raw materials are transported by the front-end pipeline and then enter the hollow passage of the rotor, at about the middle of the rotor. The overflow hole overflows into the grinding discs installed on both sides of the hole along the axial direction. There is a refining area on t...

Claims

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Application Information

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IPC IPC(8): D21D1/34
CPCD21D1/34
Inventor 臧田良臧秉清施晓刚燕玉春
Owner 丹东鸭绿江磨片有限公司
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