Gas plasma sterilizer

The principle of operation

Hydrogen peroxide has a strong oxidizing effect, when it enters
into the sterilization chamber under vacuum is in the gaseous
state and spreads quickly. Subjected to a strong electric field in
the presence of water decomposes in many active free radicals
and spreads on the surfaces and in the inner parts. Gas
molecules active (they are essentially free electrons and ions),
kill bacteria and microorganisms.
After the sterilization process, the pressure back to atmospheric,
the particles are recombined into water and oxygen, also
with the aid of UV disintegrants, without any residue in the
surrounding environment.

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The advantages

VitroSteril LK/MJG adopts a system of computerized control
of all phases of sterilization, has LCD touch screen that
provides a platform for man-machine conversation. Floor
models have a biological incubator easy to operate, to cultivate
and recognize automatically the biological result, all models are
also able to store and print the reports of sterilization parameters
in all its phases.

Features of the sterilization chamber

Hydrogen peroxide is very sensitive to the temperature difference in the sterilization chamber. For this reason the chamber was made of aluminum, metal that possesses a good thermal conductivity and allows to keep the temperature constant. Which ensures less sterilization times, uniformity of chemical treatment and no residue. The thickness of the chamber wall is 8 mm. and anti-oxidant, its life span is more than 10 years.

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Fields of application

With plasma systems can be sterilized: stainless steel, aluminum, bronze, titanium and other metals, non-metals such as glass, plastic, in particular, poly-acetates, ethenyl, styrene resins, ethylene, poly methyl methacrylate, nonwoven fabric, polyurethane, polyvinyl chloride, nylon, polymers and polycarbonate, as well as electronics, optics, cameras, endoscopes and ultrasound probes equivalent. Not be put in the sterilization chamber: documents, pads and articles hygroscopic, floury products, dust, water in bottles, oil, cellulose.

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Air sterilization using gas plasma

The PLASMA, is known as the fourth state of matter, widely distributed throughout the universe, consists of free ions and charged particles, also is a super conductor of electricity that affects electromagnetic fields. In a nutshell it is a gas with large internal energy to power band that emits neutral free radicals when the outer electrons vengoni affected by electromagnetic discharges.

 

Effects of plasma

a) Chemical effects: the free radicals in the plasma can easily have a chemical reaction with contaminated materials, leading to infertility
b) Biological effect: the plasma sterilization by electrons that destroy the cell wall of bacteria, viruses and other microorganisms
c) Physical effects: massive amounts of positive and negative ions collide with the foreign particles contained in the air, transforming them into charged particles that are forced to polymerize and to settle under the influence of strong electromagnetic field, eventually they will be retained by filters.

 

System configuration

initial filter + filter effect of the plasma generator means + + + absorption filter polymers and negative ions + HEPA filter
Description of the process
The dirty air, driven by a circulation fan, through the initial filter that removes large particles such as dust, then passes through the filter means so as to remove additional dust particles and substances thinner.
The air thus filtered enters into the “Plasma Sterilization Area“, where free radicals plasma kill all microorganisms remained together with contaminated particles in the air. Finally, the HEPA filter provides to further improve air quality retaining even the dead bacteria
.

Fields of application

Hospitals: applicable in most cases in class II and III which OT, rooms for patients, maternity, pediatrics, departments burns, etc.
Production equipment: cleanrooms, laboratories, etc.
Manufacturers food and drinks: production centers, centers of bagging, clean rooms, etc.
Public places: meeting rooms, hotels, entertainment areas, offices, shelters etc.

Benefits

Allows to sterilization even in the presence of people and then 24 h 24 h
System with low energy consumption
Sliding panel, the front panel opens during sterilization to separate the polluted air from the sterile, improving airflow with greater benefits for environmental quality.