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防腐木花架的常压处理方法有哪些?

来源:http://www.jnajgc.com 时间:2021-07-19

1、对干燥木材的处理方法。
1. Treatment of dry wood.
①常规处理,主要包括了喷淋、喷雾、涂刷以及浸渍这几种方法。和其他的方法相比,这些方法中,防腐剂的保持量以及渗入深度都不会很大。适合使用在较为容易渗透的木材上,即使这样效果也不会很好。
(1) conventional treatment mainly includes spray, spray, brushing and impregnation. Compared with other methods, the preservative retention and penetration depth of these methods are not very large. It is suitable for use on wood which is easy to penetrate, even if the effect is not very good.
②热冷槽处理。在常压下这种方法的效果好,采用的是热胀冷缩产生的压力差。
② Hot and cold bath treatment. Under normal pressure, the effect of this method is good, using the pressure difference caused by thermal expansion and cold contraction.
2、对潮湿木材的处理方法。
2. Treatment of wet wood.
①扩散法。这种方法是利用的分子扩散规律,主要是利用的木材之中的水分。水载防腐剂会从高浓度向低浓度进行扩散,让防腐剂成分能够被输送到木材之中。
① Diffusion method. This method is to use the law of molecular diffusion, mainly the use of moisture in the wood. Water borne preservatives will diffuse from high concentration to low concentration, so that preservative components can be transported to wood.
这种方法有几个必须的条件:
There are several necessary conditions for this method
(1)木材中水分含量必须要高;
(1) The moisture content of wood must be high;
(2)防腐剂在水中的溶解度要高;
(2) The solubility of preservative in water is higher;
(3)防腐剂在木材之中的固着速度较慢;
(3) The fixation speed of preservative in wood is slow;
(4)环境温度较高。
(4) The ambient temperature is high.
②输液置换。这种方法适用范围较窄,只适用于刚刚采伐下来的原木或者是活立木。同时,还要求防腐剂的水溶性好。
② Transfusion replacement. This method has a narrow scope of application and is only suitable for logs or standing trees that have just been cut. At the same time, the water solubility of preservatives should be good.
总之,对于园林用木材的防腐处理防腐有很多,不仅仅使用防腐剂来进行处理,还可以通过其他多种方法来进行处理。对于园林用木材防腐处理的工艺研究可以更好地为园林建设提供支持。
In short, there are a lot of preservative treatment for garden wood, not only using preservatives to deal with, but also through a variety of other methods to deal with. The research on the technology of preservative treatment of landscape wood can provide better support for landscape construction.