Preparation method of formaldehyde-purifying negative oxygen ion environment-friendly shaving board

Abstract

The invention relates to a preparation method of a formaldehyde-purifying negative oxygen ion environment-friendly shaving board which comprises the steps: carrying out chipping and screening; spraying water to a wet wood shaving material bin after flaking by a flaking machine; then carrying out preheating and drying; carrying out material distribution after drying; conveying qualified surface layer wood shavings to a surface layer material bin through a three-layer wood shaving sieve by a conveyor; conveying first qualified core layer wood shavings to a core layer wood shaving material bin through the conveyor; conveying second qualified core layer wood shavings to a grinding machine through the conveyor; conveying the ground surface layer wood shavings qualified by screening to a surface layer dry wood shaving material bin through the conveyor; and enabling overlarge wood shavings to enter the core layer wood shaving material bin. The ratio of the surface layer wood shavings to ion synthesis mineral powder is 98%: 2% through a central controller; a soybean protein adhesive is uniformly coated on the large wood shavings by an adhesive applying device; after the wood shavings subjected to adhesive application are paved into even and flat plate blanks, the plate blanks enter a multi-layer hot press, then are conveyed to a plate unloading machine, and are subjected to edge cutting, stacking, sanding, sorting and warehousing; and through improvement of the preparation method, the preparation efficiency is improved, and the percent of pass is increased.

Description

technical field [0001] The invention relates to the technical field of particleboard preparation, in particular to a preparation method for purifying formaldehyde negative oxygen ion environment-friendly particleboard. Background technique [0002] The existing technology is that the small-diameter wood or branch firewood is chipped by a chipper into small pieces of about 5cm-8cm in thickness and about 2cm-3cm in thickness, and then transported to the shavings by the conveyor after being stored by the intermediate conveyor In the machine, the wood chips are fed and sliced ​​through the shavings to form machine-made shavings. The machine-made shavings are transported to the shaving sieve by the conveyor for screening. material. The general process is to transport the wood powder to the wood powder silo for later incineration. The qualified surface shavings enter the surface silo, and the qualified core shavings enter the core silo. Generally, the amount of surface material c...

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Problems solved by technology

[0004] For this reason, the present invention provides a kind of preparation method of the environment-friendly particleboard of purifying formaldehyde negative oxygen ion, in order to overcome the lack of a method in the prior art that can calculate the finished product parameters of the prepared rough according to the surface roughness and flatness of the rough. , by adjusting the amount of water sprayed in the wet particleboard silo or the hot rollers of the multi-layer hot press during the preparation process, it is difficult to improve the static bending strength and overall structural performance of the particleboard. The problem of the preparation method

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