Experts in the industry generally believe that to determine whether a piece of mahogany furniture is top grade, how much is its moisture content is the key to the investigation. When furniture that has not been dried or does not meet the moisture content standard is used in homes, it will not withstand the test of climate change, and is prone to shrinkage, cracking, and moldy wood grain. The wood wax cooking and drying technology independently developed by Bo Ji Classical Furniture Factory can solve these technical problems that have plagued the development of the industry, and has attracted widespread attention in the industry. This technology may promote the technical revolution of mahogany drying.
On-site: New technology greatly reduces drying time
Bo Ji Classical Furniture Factory is a mahogany furniture manufacturing company located in Shaxi, Zhongshan. Recently, the reporter went to the factory to find out exactly, how to achieve wax cooking technology?
Entering the workshop of mahogany wood drying, Wu Jianbo, chairman of Boji Classical Furniture Factory, showed reporters the blue rectangular iron box he independently researched and developed. This is the boiler for cooking wood. The hot wax water inside has been cooked, and the worker starts the crane and puts a batch of wood that has been cut into wax oil. Then start the power system, continue to warm the wax oil, and cook the wood. During the cooking process, the wax will squeeze out the water in the wood, and even some of the wood's fat will be cooked out, and the wax will penetrate the wood from the pores of the wood little by little. After the wood is cooked, it can be taken out directly, without drying and drying. The traditional drying method generally takes about 18 days, and using this technology, it only takes three or four days to complete the drying.
Wu Jianbo showed reporters two pieces of wood, one piece of wood after wax cooking and the other piece of wood treated with traditional drying methods. Using a water content test instrument, the reporter saw that the former had a water content of 6%, while the latter had a water content of 12%, which was twice the difference. Moreover, the wood treated with wax cooking and drying technology feels good oily, the texture is not affected by white wax, and it is still vivid and clear.
Technology: Electric heating wax is the industry's first
The traditional drying method is to put the wood into the drying room or dry it naturally, but this does not completely prevent the deformation of the furniture. The large difference in temperature and humidity between the north and the south also makes many woods from south to north or from From north to south, cracking and other problems occur, which limits the sales scope of many furniture brands . Cantonese-style furniture also dropped a negative statement of "but Jiang".
How to solve this technical difficulty? Wu Jianbo started to study this problem two years ago and made various attempts. He told reporters that in ancient China, there was a technique of wood wax boiling, and there are records in the historical materials of the Forbidden City. The ancient method used an open flame to cook wax, but this method is more dangerous and the temperature is difficult to control. If it makes mistakes, it may cause wood Deformed or burst, or even fire. Since it is impossible to use an open flame, Wu Jianbo thought, will it be possible to use electricity? After repeated tests, Wu Jianbo and his technical team measured the temperature required for the wax cooking technology, and then used modern electrothermal technology to process the heating link, so as to achieve the requirement of maintaining a constant temperature. "This special" boiler "is still designed by ourselves, and it is made by welding, which is not available in the market." Wu Jianbo said with a smile.
According to reports, the drying treatment of mahogany wood generally has natural drying method and old-style drying kiln. This type of drying method is a physical drying method, which changes the moisture contained in the wood by adjusting the temperature. Wax boiling drying technology is a chemical drying method, which uses inorganic compound solution or steam as a drying medium to heat and dry wood. The boiling point of paraffin liquid is higher than the boiling point of water. Wood can be heated in a solution higher than 100 degrees Celsius, and quickly squeeze out water in a boiling state, so as to achieve the effect of rapid drying.
"This technical process is very strict. The time and temperature of the wax should be controlled very accurately. At present, the wood we cook can maintain the elasticity of the wood. The wax we use in this technology is domestic. White wax, so it is very safe for the human body. At the same time, after cooking the wax, we will shave off the wax on the surface of the wood, which has no effect on the color of the wood. "Wu Jianbo said.
Advantage: Not affected by air humidity
Wu Jianbo told reporters that the cooked wood can not only fully meet the requirements of traditional drying and promote the oily release of wood, but also further seal the pores of the wood and shape the wood so that it will not deform under most conditions. In order to break through the barrier caused by humidity on mahogany furniture.
Wu Jianbo has done experiments, put the wood cooked in wax into the environment below zero degrees Celsius to freeze, and took it out one day later, the wood has no deformation. "In this way, during the production process, I don't worry about the second moisture of the wood, and I don't worry about the dry climate when transported to the north. These precious mahogany furniture can also be sold to the north." Wu Jianbo said. According to industry insiders, this technology may be the most effective drying method in the industry at this stage.
At the same time, the technology has flaws that are too expensive, and it is difficult to promote it in the industry. According to reports, generally one ton and a half of wax needs to be put into the wood once, and nearly two hundred kilograms will be consumed once. "Of course, this technology is committed to creating high-quality fine products, and many experts are appointed mahogany furniture that requires wax cooking technology." Wu Jianbo told reporters.
During the interview, the reporter asked if the technology had applied for a patent, and Wu Jianbo answered the reporter with a smile: "No, don't worry about being plagiarized. Everyone learns better together and promotes industry technological innovation."
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