One of the new detection technologies for formaldehyde release from the motherland scientists was independently developed. It is superior to the table control method used in various countries in the world in terms of detection accuracy, energy consumption reduction, and price detection. At present, this technology has obtained national patents for discovery and utility models, and in March this year, it won the first prize for scientific and technological progress in Beijing.
Formaldehyde is used in the production of wood-based panels, construction materials, paints, and light industrial products. There are currently no alternative materials, but excessive amounts of formaldehyde can pollute the environment and endanger health. In the world, limiting the amount of formaldehyde released is a long-term concern and technical problem in various countries. The motherland is a world leader in man-made board production. It is of great significance to strengthen the detection of formaldehyde-containing products and limit the volatilization of formaldehyde.
In the past fifteen years, the detection technologies used by various countries in the world have been form control methods discovered by German scientists, commonly known as dew point methods. The detection method of this method is relatively complicated, and it is difficult to achieve the desired detection accuracy of people.
In this context, during the "10th Five-Year Plan" period, Zhou Yucheng, a researcher at the Chinese Academy of Forestry's Wood Industry Research Institute, led the task force and conducted research on the dynamic precision control technology for formaldehyde release detection environment.
At present, the research group has studied and built a system dynamics model to achieve dynamic and accurate control of the temperature and humidity of the volatiles detection environment. The accuracy of temperature and humidity detection is improved by 40% and 60% respectively compared to the table control method, and the energy consumption is reduced by 50%. , and the test price is only about 1/7 of the imported product. In March 2009, this research achievement won the Beijing Science and Technology Progress Award.
The research results for the first time put forward and formed a technical system with independent intellectual property rights, obtained national patents for discovery and utility models, and won the Mao Yisheng Science and Technology Award—the special prize for wood research. This achievement has been certified by the National Standards Substances Research Center, and it has obtained national key new product certificates, state-level Spark Plan project certificates, and Beijing New Product Certificate.
It is reported that the dynamic environment model and the proposed tracking control method developed by the research group have theoretically solved the dynamic and precise control problems of the detection environment, making the control system of the formaldehyde release detection environment an online or complex nonlinear situation. All can be tracked and controlled, and the theoretical control effect can achieve any desired accuracy. In terms of precision control, the table control method is incomparable.
According to researcher Zhou Yucheng, the research results have been used by nearly 100 units in more than 20 provinces (autonomous regions and municipalities). The National Board of Quality Supervision and Inspection Center, Furniture Quality Inspection Station, Wood-based Panel Inspection Agency, Physical and Chemical Experience Center, Both the disease control center and the university use this technology to detect and supervise the release of formaldehyde from biomass materials. This achievement has also been used to detect the harmful volatile content of building materials, textiles, chemical products, and the quality inspection of entry and exit products. Scientific research units also rely on this technology to conduct scientific experiments, and colleges and universities use it for teaching demonstrations.
From 2002 to 2005, over 75% of the total output value of wood-based panels in the motherland was sampled using this research result. Relying on this technical achievement, the motherland also issued the implementation of the forestry industry standard - "1m3 climate chamber for detection of formaldehyde release". The standard provides scientific guarantees for the implementation of the national mandatory standard "Interior decoration materials - Formaldehyde release limits for wood-based panels and their products".
Zhou Yucheng said that if the biomass material production enterprise adopts this technology in a timely manner, it can detect and control the origin of production containing formaldehyde products, which can save a lot of manpower, material resources, and funds, and avoid huge capital cost. According to the previous method, if the product is to be tested after it is finished, it is found that the amount of formaldehyde released from the product is unqualified, and that the scrapped product is tens of thousands, resulting in hundreds of thousands of cubic meters of product.
At present, this research result is being applied step by step to the national biomass material manufacturers, and an intelligent monitoring network for detecting formaldehyde has been established at the corresponding manufacturers to control all aspects of the product to minimize formaldehyde content. Excessive product production.
Formaldehyde is used in the production of wood-based panels, construction materials, paints, and light industrial products. There are currently no alternative materials, but excessive amounts of formaldehyde can pollute the environment and endanger health. In the world, limiting the amount of formaldehyde released is a long-term concern and technical problem in various countries. The motherland is a world leader in man-made board production. It is of great significance to strengthen the detection of formaldehyde-containing products and limit the volatilization of formaldehyde.
In the past fifteen years, the detection technologies used by various countries in the world have been form control methods discovered by German scientists, commonly known as dew point methods. The detection method of this method is relatively complicated, and it is difficult to achieve the desired detection accuracy of people.
In this context, during the "10th Five-Year Plan" period, Zhou Yucheng, a researcher at the Chinese Academy of Forestry's Wood Industry Research Institute, led the task force and conducted research on the dynamic precision control technology for formaldehyde release detection environment.
At present, the research group has studied and built a system dynamics model to achieve dynamic and accurate control of the temperature and humidity of the volatiles detection environment. The accuracy of temperature and humidity detection is improved by 40% and 60% respectively compared to the table control method, and the energy consumption is reduced by 50%. , and the test price is only about 1/7 of the imported product. In March 2009, this research achievement won the Beijing Science and Technology Progress Award.
The research results for the first time put forward and formed a technical system with independent intellectual property rights, obtained national patents for discovery and utility models, and won the Mao Yisheng Science and Technology Award—the special prize for wood research. This achievement has been certified by the National Standards Substances Research Center, and it has obtained national key new product certificates, state-level Spark Plan project certificates, and Beijing New Product Certificate.
It is reported that the dynamic environment model and the proposed tracking control method developed by the research group have theoretically solved the dynamic and precise control problems of the detection environment, making the control system of the formaldehyde release detection environment an online or complex nonlinear situation. All can be tracked and controlled, and the theoretical control effect can achieve any desired accuracy. In terms of precision control, the table control method is incomparable.
According to researcher Zhou Yucheng, the research results have been used by nearly 100 units in more than 20 provinces (autonomous regions and municipalities). The National Board of Quality Supervision and Inspection Center, Furniture Quality Inspection Station, Wood-based Panel Inspection Agency, Physical and Chemical Experience Center, Both the disease control center and the university use this technology to detect and supervise the release of formaldehyde from biomass materials. This achievement has also been used to detect the harmful volatile content of building materials, textiles, chemical products, and the quality inspection of entry and exit products. Scientific research units also rely on this technology to conduct scientific experiments, and colleges and universities use it for teaching demonstrations.
From 2002 to 2005, over 75% of the total output value of wood-based panels in the motherland was sampled using this research result. Relying on this technical achievement, the motherland also issued the implementation of the forestry industry standard - "1m3 climate chamber for detection of formaldehyde release". The standard provides scientific guarantees for the implementation of the national mandatory standard "Interior decoration materials - Formaldehyde release limits for wood-based panels and their products".
Zhou Yucheng said that if the biomass material production enterprise adopts this technology in a timely manner, it can detect and control the origin of production containing formaldehyde products, which can save a lot of manpower, material resources, and funds, and avoid huge capital cost. According to the previous method, if the product is to be tested after it is finished, it is found that the amount of formaldehyde released from the product is unqualified, and that the scrapped product is tens of thousands, resulting in hundreds of thousands of cubic meters of product.
At present, this research result is being applied step by step to the national biomass material manufacturers, and an intelligent monitoring network for detecting formaldehyde has been established at the corresponding manufacturers to control all aspects of the product to minimize formaldehyde content. Excessive product production.
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