CN103604289A - Quick drying method for wooden plates - Google Patents

Abstract

The invention relates to a quick drying method for wooden plates. The method comprises the following steps: 1) vertically piling to-be-dried wooden plates in a wooden plate drying room in layers, wherein the wooden plates are cushioned through kiln furniture to form convection space, so that one ends of the wooden plates are located at a hot source of the drying room, the temperature of the wooden plate drying room is raised from room temperature to 75-95 DEG C within 4-10 hours, and steam in the wooden plate drying room is in a saturated state; 2) insulating the heat of the wooden plates for 3-6 hours and thoroughly heating the wooden plates, wherein the insulating time gradually increases according to thickness of the wooden plates; 3) extracting water vapor at the other ends of the wooden plates and quickly reducing the temperature of the wooden plate drying room; and 4) repeating the steps 1-3 for many times, wherein the time of temperature rise each time in the wooden plate drying room in the step 1 is 30 minutes, and the water content of the wooden plates is finally reduced to a required numerical value. According to the method provided by the invention, massive energy required for vaporizing water is saved, the energy consumption is greatly reduced, and the drying efficiency is improved.

Description

Wood-based planet quickly drying method

Technical field

The present invention relates to Wood Drying Technology, particularly relate to wood-based planet quickly drying method.

Background technology

At wood working industry, the drying and processing how timber being carried out is rapidly and efficiently perplexing insider always.Adopt stereoscopic multi-layer veneer lumber kiln according to thermal power transfer principle, pressure, the temperature by Boiler Steam force wood single-plate in the situation of being heated by the moisture evaporation of self, to reach dry effect.It is introduced, with traditional method contrast in the past, as long as 4 dry kilns just can be worth the glued board threshing ground of 10 mu, its appearance makes traditional timber Exposure to Sunlight operation become history.

Summary of the invention

The technical problem to be solved in the present invention is that providing a kind of can significantly reduce energy consumption, adds faster than dry speed, and can save the energy.Improved the wood-based planet quickly drying method of drying of wood efficiency.

The technical scheme adopting is:

Wood-based planet quickly drying method, comprises the following steps:

1) wood-based planet of processing to be dried is positioned in wood drying kiln by longitudinal layered heap, between its sheet metal layer, by kiln furnitures, pave and form fluid space, make wood-based planet one end be in the thermal source place of hothouse, make the temperature of wood drying kiln by room temperature, rise to 75 ℃～95 ℃ in 4～10 hours, and make the indoor steam of the drying of wood in saturation state:

2) make timber insulation 3～6 hours heat penetration, temperature retention time increases progressively by lumber thickness;

3) at the wood-based planet other end, extract water vapour, the temperature of fast reducing wood drying kiln: 4) repeating step 1～3 several times, wherein in step 1, the heating-up time of wood drying kiln is 30 minutes at every turn, makes the moisture content of timber finally be reduced to required numerical value.

The present invention adopts to be had directed mode of heating and drives longitudinally moisture content mode along plank, first moisture content is urged to plank external, keeping under certain moisture content prerequisite row vaporization moisture content again, reach the object of dry plank, saved the needed energy of a large amount of vaporization moisture content, greatly reduce energy consumption, improved drying efficiency.

Embodiment 1

Wood-based planet quickly drying method, comprise the following steps: the wood-based planet of processing to be dried is positioned in wood drying kiln by longitudinal layered heap, between its sheet metal layer, by kiln furnitures, pave and form fluid space, make wood-based planet one end be in the thermal source place of hothouse, make the temperature of wood drying kiln by room temperature, rise to 90 ℃ in 5 hours, and make the indoor steam of the drying of wood in saturation state: make timber insulation 6 hours heat penetration; At the wood-based planet other end, extract water vapour, the temperature of fast reducing wood drying kiln: repeat above-mentioned steps 1～3 several times, be wherein 30 minutes in the heating-up time of wood drying kiln at every turn, makes the moisture content of timber finally be reduced to required numerical value.

Embodiment 2

Wood-based planet quickly drying method, comprise the following steps: the wood-based planet of processing to be dried is positioned in wood drying kiln by longitudinal layered heap, between its sheet metal layer, by kiln furnitures, pave and form fluid space, make wood-based planet one end be in the thermal source place of hothouse, make the temperature of wood drying kiln by room temperature, rise to 80 ℃ in 5 hours, and make the indoor steam of the drying of wood in saturation state: make timber insulation 4 hours heat penetration; At the wood-based planet other end, extract water vapour, the temperature of fast reducing wood drying kiln: repeat above-mentioned steps 1～3 several times, be wherein 30 minutes in the heating-up time of wood drying kiln at every turn, makes the moisture content of timber finally be reduced to required numerical value.

Embodiment 3

Wood-based planet quickly drying method, comprise the following steps: the wood-based planet of processing to be dried is positioned in wood drying kiln by longitudinal layered heap, between its sheet metal layer, by kiln furnitures, pave and form fluid space, make wood-based planet one end be in the thermal source place of hothouse, make the temperature of wood drying kiln by room temperature, rise to 75 ℃ in 5 hours, and make the indoor steam of the drying of wood in saturation state: make timber insulation 6 hours heat penetration; At the wood-based planet other end, extract water vapour, the temperature of fast reducing wood drying kiln: repeat above-mentioned steps 1～3 several times, be wherein 30 minutes in the heating-up time of wood drying kiln at every turn, makes the moisture content of timber finally be reduced to required numerical value.

Claims (1)

1. wood-based planet quickly drying method, is characterized in that comprising the following steps:

1) wood-based planet of processing to be dried is positioned in wood drying kiln by longitudinal layered heap, between its sheet metal layer, by kiln furnitures, pave and form fluid space, make wood-based planet one end be in the thermal source place of hothouse, make the temperature of wood drying kiln by room temperature, rise to 75 ℃～95 ℃ in 4～10 hours, and make the indoor steam of the drying of wood in saturation state:

2) make timber insulation 3～6 hours heat penetration, temperature retention time increases progressively by lumber thickness;

3) at the wood-based planet other end, extract water vapour, the temperature of fast reducing wood drying kiln: 4) repeating step 1～3 several times, wherein in step 1, the heating-up time of wood drying kiln is 30 minutes at every turn, makes the moisture content of timber finally be reduced to required numerical value.