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Equipment for injecting chemical components into a stream of loose wood material

A technology for wood materials and chemical components, which is applied in the pretreatment of molding materials, wood processing appliances, household components, etc., and can solve problems such as the inability to guarantee crushing and homogenization.

Active Publication Date: 2016-02-24
IMAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If such precipitates break away from time to time, falling into the mixer, then there is no guarantee that they will be crushed and homogenized in the processed paste, thus accompanied by the formation of waste products
[0009] These aspects limit the use possibilities and application flexibility of this type of system

Method used

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  • Equipment for injecting chemical components into a stream of loose wood material
  • Equipment for injecting chemical components into a stream of loose wood material
  • Equipment for injecting chemical components into a stream of loose wood material

Examples

Experimental program
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Embodiment Construction

[0019] Referring to the drawings, reference numeral 1 generally indicates an apparatus for injecting chemical components into a stream of loose wood material.

[0020] In particular, in plants producing slats of chipboard, MDF (medium density fibreboard), OSB (oriented strand board), etc., the device 1 can be used to realize the combination of generally binding substances and additives with wood material particles (chips, chips , fiber, etc.) premix.

[0021] The apparatus 1 comprises a tubular body 2 extending along a longitudinal axis A, having at least one inlet 3 and at least one outlet 4, and inside said tubular body a flow of loose wood material passes from the inlet towards the outlet, in the figures the The flow of loose wood material is indicated by arrows indicated with the letter F.

[0022] In operating conditions, the device 1 is positioned with its longitudinal axis A not horizontal and preferably vertical, so that the inlet 3 is arranged above the outlet 4 and ...

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PUM

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Abstract

An apparatus (1) for injecting chemical components into a flow of loose wooden material, comprising a tubular body (2) which is provided with at least one inlet (3), which can be associated with means (D) for feeding loose wooden material, and with at least one outlet (4), which can be associated with a mixer (M), and which is crossed internally by a flow (F) of the loose wooden material from the inlet (3) toward the outlet (4), and means (5) for injecting at least one chemical component toward the flow (F) of loose wooden material, which are associated internally with respect to the tubular body (2). Scraper means (8) being provided which are associated with the internal wall (7) of the tubular body (2) and can move tangentially with respect to it, means (9) being further provided for actuation with a relative motion of at least one of the tubular body (2) and the scraper means (8) with respect to each other.

Description

technical field [0001] The invention relates to an apparatus for injecting chemical constituents into a stream of loose woody material. Background technique [0002] The known process of manufacturing lath from particles of wood material (chipboard, MDF, OSB, etc.) involves mixing a predetermined amount of loose wood material with suitable doses of chemical components (i.e. usually binders and additives). step, which usually precedes the step of forming the mat and subsequent pressing in order to obtain the planks. [0003] This mixing step homogenizes the distribution of the chemical components in the mass of loose wood material in a special mixer in order to obtain a smooth paste. [0004] The injection of the chemical constituents can take place directly inside the mixer, or more preferably upstream of the inlet into the mixer, so as to obtain a pre-mixing of the wood material particles with the chemical constituents. [0005] A method and system for carrying out this p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27N1/02
CPCB27N1/0263
Inventor 保罗·贝内代蒂
Owner IMAL
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