A semi-dry airflow forming process for fiberboard

A technology of air forming and preparation process, which is applied in the directions of fiberboard, non-fiber pulp addition, fiber raw material processing, etc., can solve the problems of difficult to ensure product uniformity, difficult to control uniform constant value, and high fiber moisture content, and achieves improved dispersion. effect, adjust the breaking depth, improve the effect of fiber combing

Active Publication Date: 2021-09-28
南通跃香拉链有限公司
View PDF13 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the production of semi-dry fiberboard, because the fiber has not been dried, the moisture content of the fiber is high, and it is difficult to control to a uniform constant value. The fiber is easy to agglomerate during molding and preparation. If the agglomerated fiber is not broken up, it will cause product damage. Uniformity is difficult to guarantee

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A semi-dry airflow forming process for fiberboard
  • A semi-dry airflow forming process for fiberboard
  • A semi-dry airflow forming process for fiberboard

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] see Figure 1-2 , a semi-dry airflow forming preparation process of fiberboard, comprising the following steps:

[0049] S1. Fiber separation: steam the wood chip raw material, send it to a thermal mill to make wood fiber, and then gas-explode the wood fiber into fiber filaments after thermal grinding for standby;

[0050] S2. Slurry treatment: mix fiber filaments with additives and pure water to obtain fiber slurry. The additives in S2 include paraffin emulsion, waterproofing agent, preservative, and fire-resistant agent. The paraffin emulsion, waterproofing agent, and preservative , The mass ratio of the refractory agent is 3:0.5:0.3:0.2, the preservative is selected from pentachlorophenol, and the refractory agent is selected from MgNH4PO4 to improve the excellent performance of the finished product;

[0051] S3, semi-dry airflow group breaking treatment:

[0052] S31. Pour the fiber slurry into the mold for paving and smoothing, and set up a plurality of guide rod...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
Login to view more

Abstract

The invention discloses a semi-dry airflow forming preparation process of fiberboard, which belongs to the field of fiberboard preparation technology. A plurality of guide rods are set up on the mold, and the guide rods are movably sleeved with air-guiding overflow rubber balls, which are interrupted to both ends of the mold. On the one hand, the introduced air flow is conducive to the preliminary dispersal of the agglomerated fibers; The agglomeration member breaks up the agglomerated fibers mechanically during the movement, further improving the fiber carding effect, and intermittently applies a magnetic field under the mold to make the magnetic deagglomeration member reciprocate up and down, which not only effectively adjusts the breaking depth, but also realizes Under pressure, with the overflow of the rubber material and airflow, the rubber material is evenly attached to the fiber filaments, which improves the adhesive molding effect, and the air bubbles formed at the air guide overflow rubber ball are easy to blow away the small agglomerates.

Description

technical field [0001] The invention relates to the field of fiberboard preparation technology, more specifically, relates to a semi-dry airflow forming preparation technology of fiberboard. Background technique [0002] Fiberboard is a wood-based panel made of wood fiber or other plant fiber, applied with urea-formaldehyde resin or other suitable adhesives. The production process of fiberboard is divided into three types: wet method, dry method and semi-dry method. The wet production process uses water as the carrier of fiber transportation. Its mechanism is to make use of the friction force generated by the interweaving of fibers, the bonding force generated between the surface molecules of the fibers and the cementing force generated by the fiber content to make a certain strength. fiberboard. The dry production process uses air as the fiber transport carrier. The fiber preparation is a one-time separation method. Generally, no fine grinding is required, and adhesives n...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): D21J1/00D21J1/04D21H21/16D21H21/36D21H21/14D21H17/60
CPCD21H17/60D21H21/14D21H21/16D21H21/36D21J1/00D21J1/04
Inventor 赖铭
Owner 南通跃香拉链有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap