A device for preheating a recovered fiber material to be dispersed

A technology for recycling fibers and heating devices, which is applied in the directions of fiber raw materials, fiber raw material processing, paper recycling, etc., can solve problems such as expensive costs, and achieve the effects of easy maintenance, simple structure, and simple structure

Active Publication Date: 2016-08-17
VALMET TECH OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the number of individual devices, the problem with the devices used for decentralization corresponding to the prior art is the expensive and cost-intensive construction which also requires considerably a lot of space

Method used

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  • A device for preheating a recovered fiber material to be dispersed
  • A device for preheating a recovered fiber material to be dispersed
  • A device for preheating a recovered fiber material to be dispersed

Examples

Experimental program
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Embodiment Construction

[0031] according to figure 1 The device according to the invention is part of the dispersing process and is placed between the concentrating screw 100 and the disperser 200 during the process. The task of the device 10 is to heat the recycled fiber material to be flowed to the disperser from a temperature of about 20° C. to a temperature of about 100° C. or even 120° C. in order to decompose impurities from the recycled fiber. When recycled fiber material is mentioned in this context, OCC and DIP recycled fibers are preferably meant. The device according to the invention may also be referred to as a preheating facility.

[0032] according to figure 1 , the device 10 is equipped with a frame 12, a heating device 18, a conveying screw 24 and a mixing device 20, within which the Figure 2b Volume 14 of recycled fibrous material. The mixing device 20 is provided in the longitudinal direction with the shaft 22 of the frame 12, with flanking elements 23 arranged on the shaft for...

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PUM

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Abstract

The invention relates to a device for preheating a recovered fiber material to be dispersed. The device is provided with a channel-shaped frame (12) in which the volume (14) of the recovered fiber material (16) is confined, a heating device (18) used for heating the recovered fiber material (16) with vapor, a conveying screw (24) used for conveying the recovered fiber material (16) forward and used for forming a fiber material sealing part (26) preventing the vapor from leaking, and a mixing apparatus (20) disposed in the frame (12). The mixing apparatus (20) is behind the conveying screw (24) at the advancing direction of the recovered fiber material (16), and is provided with a shaft (22) of the frame along the longitudinal direction and a side wing element (23) disposed on the shaft (22). The side wing element (23) is used for disassembling and continuously conveying fiber bundles of the recovered fiber material (16). The conveying screw (24) and the mixing apparatus (20) are coaxially disposed.

Description

technical field [0001] The invention relates to a device for preheating recycled fiber material to be dispersed, which is provided with: [0002] a channel-like frame inside which limits the volume of said recycled fiber material; [0003] heating means for heating the recycled fiber material located in said frame by means of steam; [0004] a conveying screw for forwardly conveying said recycled fibrous material and for constituting a fibrous material containment for preventing escape of steam masses; [0005] A mixing device arranged in the frame, the mixing device is behind the conveying screw along the traveling direction of the recycled fiber material, and is used for mixing the recycled fiber material and for intensifying heating, the mixing device is provided along the frame a shaft in longitudinal direction, flanking elements arranged on said shaft for dismantling and further conveying said fiber bundles of recycled fibrous material; [0006] In this device, the con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21B1/32D21B1/34
CPCD21B1/32D21D1/004D21B1/327D21B1/345D21B1/34D21C5/02Y02W30/64D21B1/026
Inventor 约尔马·哈拉
Owner VALMET TECH OY
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