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Control process for preventing large wood shavings from being damaged through PB board

A shaving and breakage technology, which is applied in the direction of manufacturing tools, flat products, wood processing appliances, etc., can solve the problems of large shavings breakage, long shavings, etc., and achieve the effects of preventing glue cracking, strong viscosity, and ensuring integrity

Active Publication Date: 2021-08-31
佳诺威集团(河南)新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the shavings used for particleboard preparation are thin and long in the prior art, and the large shavings will inevitably be damaged during the preparation process, and propose a control process for preventing large shavings from being damaged by PB boards

Method used

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  • Control process for preventing large wood shavings from being damaged through PB board

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of PB board that the present invention proposes prevents the control process of large shavings from being damaged, comprising the following steps:

[0023] S1. Prefer fir wood as the main raw material, cut it to obtain a cutting material with a size of 1cm, immerse the cutting material in the treatment solution for soaking treatment, control the temperature of the soaking solution at 38 ° C, control the soaking time at 1 hour, and then dry it for treatment Material, the treatment solution is obtained by compounding ammonium sulfite, trisodium citrate, polyether amine and 30% ethanol aqueous solution with a mass ratio of 2:5:1:12;

[0024] S2. Send the processed material dried in step S1 into a shaving machine to make shavings of the required size, use high-temperature flue gas drying technology, control the drying temperature to 420°C, and dry the shavings until the moisture content is 3%;

[0025] S3. According to the mass ratio of 7:1, the wood shavings obtain...

Embodiment 2

[0028] A kind of PB board that the present invention proposes prevents the control process of large shavings from being damaged, comprising the following steps:

[0029] S1. Prefer fir wood as the main raw material, cut it to obtain a cutting material with a size of 50cm, immerse the cutting material in the treatment solution for soaking treatment, control the temperature of the soaking solution at 48 °C, control the soaking time at 2 hours, and then dry it for treatment Material, the treatment liquid is obtained by compounding ammonium sulfite, trisodium citrate, polyether amine and 40% ethanol aqueous solution with a mass ratio of 2:5:1:12;

[0030] S2. Send the treatment material obtained by drying in step S1 into a shaving machine to make shavings of the required size, use high-temperature flue gas drying technology, control the drying temperature to 440°C, and dry the shavings until the moisture content is 4.5%;

[0031] S3. According to the mass ratio of 8.5:1, the wood...

Embodiment 3

[0034] A kind of PB board that the present invention proposes prevents the control process of large shavings from being damaged, comprising the following steps:

[0035] S1. Cedar wood is preferred as the main raw material, and it is cut to obtain a cutting material with a size of 100 cm. The cutting material is immersed in the treatment solution for soaking treatment. The temperature of the soaking solution is controlled at 58 ° C, the soaking time is controlled at 3 hours, and then dried for treatment. Material, the treatment solution is obtained by compounding ammonium sulfite, trisodium citrate, polyether amine and 50% aqueous ethanol solution with a mass ratio of 2:5:1:12;

[0036] S2. Send the processed material dried in step S1 into a shaving machine to make shavings of the required size, use high-temperature flue gas drying technology, control the drying temperature to 460°C, and dry the shavings until the moisture content is 6%;

[0037] S3. According to the mass rat...

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Abstract

The invention belongs to the technical field of artificial board manufacturing, and particularly relates to a control process for preventing large wood shavings from being damaged through a PB board. The problems that the wood shavings for shaving board preparation are thin and long, and the large wood shavings are inevitably damaged in the operation process of a preparation process in the prior art are solved. The control process for preventing the large wood shavings from being damaged through the PB board comprises the following steps that cedar wood is cut, soaked and dried; the cedar wood is fed into a wood shaving machine to prepare a wood shaving material, the dried wood shaving material is uniformly mixed with a mixed adhesive, the mixture is paved to obtain a board blank, the board blank is subjected pre-pressing, hot-pressing, cooling, trimming and sanding treatment and then dried to obtain the required PB board. According to the control process for preventing the large wood shavings from being damaged through the PB board, the integrity of the large wood shavings in the preparation process can be effectively guaranteed, and the situation that the large wood shavings are damaged is avoided; an obtained shaving board is good in toughness, high in strength, not prone to cracking and deformation and capable of being widely applied.

Description

technical field [0001] The invention relates to the technical field of artificial board manufacturing, in particular to a control process for preventing large shavings from being damaged by a PB board. Background technique [0002] PB board refers to the use of crushed wood or wood fiber as the main raw material, cutting the main raw material into pieces of a certain size, drying, mixing with rubber, hardener, waterproofing agent, etc., and pressing it under a certain temperature and pressure. Wood-based panels, also known as particle boards, particle boards, particle boards, particle boards, bagasse boards, etc. PB boards are mainly used in the furniture and construction industries, as well as in the manufacture of trains and car carriages. [0003] China's PB board production has gone through a repeated process of rising in the 1980s, falling in the 1990s, and rising again in 2000. After PB boards were abandoned by the market due to poor quality and other reasons, many P...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27L11/02B27N1/00B27N1/02B27N3/02
CPCB27L11/02B27N1/00B27N1/0209B27N3/02Y02W30/91
Inventor 祁振生
Owner 佳诺威集团(河南)新材料有限公司
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