Because ozone sterilization speed is fast, there is no ozone residue; It will be completely decomposed into oxygen after sterilization; So environmental protection; There is no need to add any other raw materials when using the ozone generator; So save energy!
Details: 1. Generally speaking, the clean areas are relatively large by the central air conditioning purification system in pharmaceutical factories. The central air conditioning purification system is used to complete the purification and disinfection of each clean area. The traditional disinfection method is fumigation with chemicals such as formaldehyde, which has many disadvantages. It is a good idea to use ozone disinfection equipment instead. The method is to install ozone disinfection equipment directly in the main supply and return air pipeline of air conditioning purification system or the air supply section behind the intermediate filter of combined air conditioning, which is called built-in ozone disinfection equipment. Ozone is sent into each clean area with the purification wind to disinfect the clean area. However, because oxygen evolution is an exothermic process, the thermal shock resistance of the generator dielectric material limits the heat accumulation generated when the ozone disinfection equipment works. Whether for the life of the generator itself or for the production of ozone, the lower the temperature of the generator, the better. The poor heat dissipation performance of the built-in ozone generator will lead to the ozone output being lower than the standard output and shorten the life of the generator. The ozone generator can be placed outside the supply and return air duct of the purification system, and the self-cleaning ozonated gas can be filled into the air duct of the HVAC system and then sent to the clean room. This form is called external ozone generator. The external ozone generator is easy to install and maintain, and can be used in explosion-proof environment, which meets the explosion-proof requirements, but the cost is slightly higher. According to the requirements of the disinfection standard of the Ministry of Health, the ozone concentration of air disinfection is 5 ~ 10 ppm, but in fact, the disinfection in clean areas not only disinfects the air, but also disinfects the surface of objects, so the designed concentration should be 20 ~ 30 ppm, which can completely replace ultraviolet irradiation and chemical fumigation. It only takes about 0.5 ~ 1h to sterilize the air once a day, which can achieve the sterilization purpose of the clean room and kill the miscellaneous bacteria and molds in the HVAC system. Practice has proved that ozone can also play the role of dissolving bacteria and dredging high-efficiency filters, and prolong their service life.
2. Disinfection of confined space Clean rooms outside the central purification air conditioning system, such as laboratories or other rooms that need disinfection, need to be disinfected separately. The method is to choose an appropriate type of ozone disinfection equipment, install it directly indoors, set the disinfection time according to the needs, and automatically shut down after disinfection, which is very convenient to use. For rooms with cleanliness requirements, filters are installed in the machine to make the ozone generator have self-cleaning function. The ozone concentration is designed to be 30 ~ 50 ppm. The ozone generator with large air volume can be used as the ozone machine; Send ozone to a high place and then spread it around; Whether the sterilization effect of ozone generator is good or not depends on whether the ozone generator has "two heights": one; Whether the ozone concentration generated by the ozone tube of the ozone generator is high; Second; Whether the ozone delivery capacity of the ozone generator is high;
3. Disinfection of pipeline containers In pharmaceutical production, various containers are widely used, and they are connected through pipelines and valves to form production units. Traditionally, it is sterilized by moist heat or other chemical methods. Reaction tanks and storage tanks are as small as one and a half tons and as large as ten tons and dozens of tons. Sterilization by wet heat or chemical method has high operating cost and environmental impact. Now it's much simpler to use ozone disinfection instead. The specific method is to pump high-concentration ozone directly into the pipeline container, and the requirements of disinfection and sterilization can be achieved by keeping the ozone tail gas at a certain concentration. Because the inner surface of the pipeline container is disinfected, the ozone concentration is higher, and the designed concentration is greater than 50ppm. The advantages of using ozone to disinfect pipeline containers are very obvious. The ozone generator can be used in a mobile way to disinfect different tanks, and each unit can be disinfected in time before each refueling, with high use efficiency and no need of alcohol, nitrogen and high-pressure steam in the traditional method. Therefore, it can be popularized in pharmaceutical factories.
4. Disinfection and sterilization of the surface of objects In the process of drug production, it is often necessary to disinfect the surfaces of raw and auxiliary materials, packaging utensils, packaging materials, work clothes, etc. , and often use disinfection cabinets and transfer windows. The traditional method is to irradiate with ultraviolet lamp, but the problem is that disinfection is not thorough, and it is possible in occasions with low requirements, but it is not as good as ozone disinfection equipment. The disinfection cabinet made of ozone disinfection equipment is reliable in pharmaceutical industry. All materials that are not afraid of ozone corrosion can be put into the cabinet for disinfection, and the ozone concentration can be designed to be higher, which can reach more than 100ppm. This equipment can also be made into negative pressure suction and positive pressure pulsation to promote ozonization gas infiltration sterilization.