Portable sterilizer manufacturer: What are the uses and methods of sterilizers?
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Summary: Many people are familiar with sterilizers, but do you know how to use them? What are their uses? Below, a hand-held sterilizer manufacturer introduces some related content, hoping to help everyone:
Many people are familiar with sterilizers, but do you know how to use them and what their purposes are? Below, a portable sterilizer manufacturer introduces relevant information to help you:
Saturated steam sterilization is a commonly used physical method for killing organisms because high temperatures have a significant lethal effect on bacteria. The portable sterilizer manufacturer states that high temperatures cause bacterial protein denaturation and coagulation, inactivating enzymes, and thus leading to bacterial death. Thermal sterilization chambers are currently widely applied, reliable, and mature sterilization methods. There are usually two methods: moist heat and dry heat.
Suitable for medical and health institutions, scientific research, agriculture, and other units, it is an ideal device for sterilizing medical devices, dressings, glassware, and culture media solutions. Portable sterilizers are essential testing equipment for food factories and drinking water plants to obtain QS and HACCP certifications. Dry heat sterilizers also have precedents for new uses in the medical field, such as drying respirator tubes.
Sterilization Methods:
(1) High-pressure steam sterilizer
A high-pressure steam sterilizer is a double-layered metal cylinder with water between the two layers. The outer layer is solid, with a thick metal lid and screws on the side of the lid to tightly seal the lid, preventing steam from escaping, increasing steam pressure, and raising the temperature accordingly.
It is equipped with an exhaust valve and a safety valve to regulate steam pressure. It has a thermometer and a pressure gauge to indicate the internal temperature and pressure, and contains a perforated metal shelf for placing items to be sterilized.
Using the Steam Sterilizer
Add water to the outer cylinder and place the sterilized items in the inner cylinder. Cover the sterilizer, tighten the screws to ensure it's sealed. Heat the sterilizer using gas or an electric stove, simultaneously opening the exhaust valve to remove cold air; otherwise, the pressure indicated on the pressure gauge will not be entirely steam pressure, and sterilization will be incomplete.
After all the cold air is expelled, close the exhaust valve. Continue heating. When the pressure gauge gradually rises to the required pressure, adjust the heat source to maintain the pressure and temperature (be careful not to exceed it, to avoid accidents) for 15-30 minutes. After the sterilization time is reached, stop heating. When the pressure drops to zero, slowly open the exhaust valve to remove residual gas and open the lid to remove the items. Do not suddenly open the exhaust valve when the pressure has not dropped to zero, to prevent the liquid inside the sterilizer from spraying out.
The portable sterilizer manufacturer indicates that high-pressure steam sterilization is a moist heat sterilization method with three advantages: First, bacterial proteins are easily denatured during moist heat sterilization; second, moist heat has strong penetration; third, when steam turns into water, it releases a large amount of heat, enhancing the sterilization effect; therefore, it is an excellent sterilization method. All items that can withstand high temperatures and humidity, such as culture media, physiological saline, clothing, gauze, cotton, dressings, glass equipment, and infectious waste, can be sterilized using this method. Currently, portable sterilizers are simple to operate and safe to use.
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