CN106671224A - Cold-resistant anti-cracking treatment method of rosewood - Google Patents

Abstract

The invention discloses a cold-resistant anti-cracking treatment method of rosewood and aims to provide the treatment method capable of improving cold resistance strength of the wood, eliminating cracking or reducing cracks and deformation. According to the technical scheme, the treatment method is mainly characterized in that according to the principles that the water absorption rate of the trunk outer surface is higher than that of the trunk interior, and the closer to the appearance, the easier the wood cracks, a first process includes the steps that firstly, the wood is placed into water to be soaked or boiled, or soaked and boiled; a second process includes the steps that preservative-sodium chloride is added into the water, the adding quantity, which is generally 0.01-0.2, is determined according to the texture of the wood, then the wood is taken out of the water and dried, and the drying manner is determined according to structure differences of the wood and whether the wood is urgently needed; and in other words, cracking happens easily due to low density, manual drying, namely indoor baking or air drying, which has high-speed requirement is selected, and otherwise natural drying is selected. The wood treated through the above processes can improve cold resistance strength and deformation resistance strength and can also eliminate or reduce cracks of the wood.

Description

Redwood cold-resistant anticracking processing method

Technical field

The present invention relates to the processing method of timber, hold and be not related to the redwood after processing and can improve material and reach the scope of application a kind of higher and more durable method of wide and utilization rate.

Background technology

It is known that, wood usage is very wide, such as it is used for building house, manufacture furniture and the accessory in some utensils etc., due to timber be from mountain cut down and contain substantial amounts of moisture content, at most up to more than the 0.5 of its weight, therefore necessarily occur that volume contraction diminishes and weight saving after being dried, and the difference of the difference according to material and environment usually occurs deformation in dry run and ftractures, can become waste product when serious and cause to waste, its reason is that the natural drying cycle of timber is longer, several days at least, at most several months, to rise gentle cooling through being repeated several times in the process, the each position of its appearance of open air drying is shined upon degree and is differed, same position cuts in and out, when Strong when it is weak, fine day moisture content is reduced, rainy day moisture content increases；It is also changeable that room Inner is dried its temperature and air velocity.

The content of the invention

The present invention is to overcome above-mentioned deficiency, it is desirable to provide a kind of to improve timber cold-resistant dynamics and prevent to ftracture or reduce the processing method of crackle and deformation, employs the following technical solutions and is achieved.

According to trunk appearance water absorption rate more than inside and closer to appearance principle more easy to crack, first timber is positioned in water and is soaked or is boiled, or not only soak but also boil as mat woven of fine bamboo strips one procedure, and add preservative --- Sodium Chloride in water, addition depending on material, generally 0.01 --- 0.2, it is excessive without anti-, but can cause to waste, be that reduces cost can select industrial salt.Its water outlet is dried again, according to timber its structure difference and whether urgent need determining to select drying mode as the procedure of the mat woven of fine bamboo strips two, i.e., be easy to ftracture and require quickly to select artificial drying because density is relatively low --- baking disposed within is air-dried（Air-introduced machine）, instead then from natural drying.

As long as the timber in being in immersion or boiling can absorb certain moisture content, in its sodium chloride also enters therewith, because sodium chloride is soluble in water, its moisture content is evaporated in dry run, sodium chloride is left in timber, and the density i.e. weight for thus serving increase timber increased, and to increase, Strong is freeze proof and resistance to deformation dynamics provides a feasible property condition, its reason is that increase in density means harder, and sodium chloride is in itself that one kind does not freeze and incorrupt crystalline solid.

In sum, its main points of the technical solution adopted in the present invention are：Increase by an operation in dry run：Timber is positioned in water and is soaked or is boiled, or not only soaked but also boiled, and preservative --- Sodium Chloride is added in water.The addition of sodium chloride depending on material, generally 0.01 --- 0.2 or more.

Beneficial effects of the present invention are：One is the cracking that can eliminate or reduce timber in dry run and after being processed into finished product；Two is can to prevent or reduce it to deform because of contraction；Three has been to increase Strong cold hardinesses and the scope of application is wider；It is also equipped with more durable etc. the superiority because of the increase of hardness.

Claims (2)

1. a kind of redwood cold-resistant anticracking processing method, is characterized in that increasing one procedure in dry run：Timber is positioned in water and is soaked or is boiled, or not only soaked but also boiled, and preservative --- Sodium Chloride is added in water.

2. a kind of redwood cold-resistant anticracking processing method according to claim 1, is characterized in that the addition of sodium chloride depending on material, generally 0.01 --- 0.2 or more.