The "Pulse Strong Light Sterilization" Technology of Zhongwu Optoelectronic Sterilization

Release time:

2023/03/20

The technical team of Zhongwu Optoelectronics Sterilization, a national level technology enterprise incubator and a incubating enterprise of Zhongwu Science and Technology Park in the national level innovation space, has developed and finalized a pulse strong light sterilization system with independent intellectual property rights through the incubation support of Zhongwu Science and Technology Park. It has become the world's third and the first pulse strong light sterilization system provider in China that integrates independent research and development, production, and sales.
The so-called "pulsed strong light" refers to a world leading light source technology that utilizes pulse engineering technology of instantaneous discharge and special inert gas lamps to excite strong white light in the form of pulses, with a spectral distribution similar to sunlight, but light intensity equivalent to thousands or even tens of thousands of times the intensity of sunlight reaching the Earth's surface.
The sterilization principle of pulsed strong light: Pulsed strong light produces extremely high peak pulsed light, with a wavelength ranging from the ultraviolet region to the white light in the near-infrared region. The sterilization effect is mainly ultraviolet, and other bands have synergistic effects, which can completely destroy the cell wall and nucleic acid structure of microorganisms. Therefore, it has a lethal effect on most microorganisms, such as mold, Bacillus subtilis, Escherichia coli, yeast, etc Microorganisms such as Staphylococcus aureus.
Comparison between pulsed strong light and commonly used sterilization methods:

Method	Basic Principles	Advantages	Disadvantages
Chlorine sterilization	Can enter the interior of bacteria. Due to the oxidation of chlorine atoms, bacteria die	Low cost and long protection time	Highly affected by the environment, with too many by-products of production and residual odors
ozone sterilization	Decomposition in water	Quick sterilization effect, while removing odor, color, iron, manganese, etc	Unstable, requires immediate preparation, increases costs, and produces carcinogenic substance bromate
Ultraviolet sterilization	Changing the internal structure of microorganisms, disrupting their normal physiological functions, until death	Low investment, low energy consumption, and short contact time	Weak penetration ability, greatly affected by voltage, produces nitrate ions, and long-term consumption can lead to methemoglobinemia
pulsed light	See sterilization principle above	Good sterilization effect and low energy consumption	Not promoted

Comparison of Pulse Strong Light and Packaging Material Sterilization Series: For a simple example of the difference between the two - sunlight and lightning. When sunlight shines on a mouse, it may not cause any harm for a year, but lightning is different. The energy output in a single shot may only be a small part of the total output of sunlight in a year, but due to its instantaneous output, it will kill the mouse. This is the difference between continuous ultraviolet and pulsed strong light.
After research by authoritative institutions both domestically and internationally, it has been proven that the fluid sterilization module, as a new generation of cold sterilization technology that is currently being vigorously launched internationally, belongs to a physical light sterilization method. It is pollution-free, fast (nanosecond level), and highly efficient, especially for areas where conventional sterilization techniques such as Aspergillus niger cannot effectively kill or chemical methods may cause residual problems or require cold sterilization without changing taste. It is an extremely ideal sterilization alternative solution. Internationally, it has been widely used in various fields such as sterilization of dairy packaging materials, food, air, drinking water, and sewage treatment.
Since its establishment in the Zhongwu Science and Technology Park, Zhongwu Optoelectronics Sterilization has not only accumulated a group of outstanding experts in the fields of optics, electronics, mechanics, and other related fields, but also created a passionate and pioneering high-level operation team. It has also developed and finalized the pulse strong light sterilization system with independent intellectual property rights as described in the article, which has been highly recognized by industry leading enterprises and has been high-frequency used in the production lines of domestic and foreign dairy giants, Breaking foreign monopolies has provided an important means for China to achieve high standards of food safety. At present, the business site of Zhongwu Optoelectronic Sterilization has increased to 2000 square meters, and more than 200 sets of optoelectronic sterilization equipment have been produced and sold nationwide and overseas.

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