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Method and apparatus for gluing particles

A technology of granules and equipment, applied in the field of glued granules, which can solve problems such as agglomeration, damage to equipment parts, and high glue consumption

Active Publication Date: 2019-04-23
DIEFFENBACHER GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

20% glue can be saved by gluing in the descending forehearth, e.g. in the production of particle boards. However, lumps can occur in the swirl zone of the nozzle where the glue is sprayed
These agglomerates lead to high glue consumption and damage subsequent plant components when dropped

Method used

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  • Method and apparatus for gluing particles
  • Method and apparatus for gluing particles

Examples

Experimental program
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Embodiment Construction

[0032] exist figure 1 A device for gluing granules 1 is shown schematically in , starting with a metering device 11 and ending with a mixing device 10 with a simplified representation of the downcomer 4 placed between them. Here, the granules 1 are fed by means of a discharge device into a dosing device 11, which usually consists of a granule silo, where they are weighed (the weighing device shown is below a circulating conveyor belt) and controlled by a conventional belt (in the figure not shown) is quantified into the descending channel 4. There, the particle stream 12 or the particles 1 hit the scattering device 3 . Spreading or distributing may also involve the formation of a plurality of particle curtains 5 . The spreading device here preferably comprises at least one spiked roller 8 , which produces a curtain of particles 5 in the falling direction 13 by means of rapid rotation.

[0033] The particle curtain 5 is sprayed and glued with the adhesive 6 in the falling di...

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PUM

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Abstract

The invention relates to a method and to an apparatus for gluing particles (1), which, at least in part, consist of fibers and / or chips suitable for the production of material boards, comprising a metering apparatus (11) for metering the particles (1), a substantially vertical drop shaft (4), a loosening apparatus (3) arranged therebetween, and preferably a mixing apparatus (10) connected substantially horizontally downstream of the drop shaft (4). According to the invention pivotable plates (2) which can be pivoted by means of at least one actuating device (18) from a first operating position into a second cleaning position are arranged at least as parts of the drop shaft (4). In particular, it is intended to be possible, in the second cleaning position, to clean the plates (2) by means of the particles (1) flowing in the falling direction (13). In the second cleaning position, means for cleaning, such as cleaning nozzles (7), can also be opened, which clean parts of the plates (2) and / or the nozzles (14) that spray the binder (6). (1459)

Description

technical field [0001] The present invention relates to a method and a device for gluing granules at least partially composed of fibers and / or chips suitable for the production of material boards. Background technique [0002] The production of material panels from eg chips or medium density fibers or other flowable materials is currently an automated process and has been used in many countries for many years. The pressing of the treated chips or fibers is either a cyclic pressing or a continuous pressing, as is known. Here, in addition to the plant components located before and after the press, the production of the spreading mat with the aid of the spreading machine plays an important role, however, in addition to the quality of the raw material, the quality of the produced spreading mat is an important factor . In the large-scale industrial production of wood-based panels, continuous working presses are used for production, but some are still single-stage or multi-stage...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27N1/02
CPCB27N1/029
Inventor D·克罗尔G·冯 哈斯R·施威
Owner DIEFFENBACHER GMBH & CO KG