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Air Fresher

Air fresher used in laboratory

1. What is air fresher?
    1.1 Feature of air fresher
    1.2 Application of air fresher
2. History of air fresher
3. Working principle of air fresher
    3.1 Technical parameters of air fresher
4. Type of air fresher
    4.1 Passive adsorption filtration air fresher
    4.2 Active air fresher
    4.3 Dual air fresher
5. How to buy air fresher?

What is air fresher?

Air fresher, also known as air purifier, air cleaner, or purifier, refers to the ability to adsorb, decompose or transform a variety of air pollutants (generally including PM2.5, dust, pollen, odor, formaldehyde, and other renovation pollution, bacteria, allergens, etc.), effectively improve the cleanliness of the air products, mainly divided into household, commercial, industrial, building, and building.

Laboratory air fresher (also known as laboratory air purifier or laboratory clean screen) is mainly used for the adsorption of harmful aerosols generated during experimental operations such as centrifugation, stirring, mixing, and violent shaking to reduce the concentration of aerosols in the air and protect the safety of experimental operators.

Several different technologies and media in air freshers enable them to provide clean and safe air to the user. Commonly used air purification technologies are adsorption technology, negative (positive) ion technology, catalytic technology, photocatalyst technology, super structured light mineralization technology, HEPA high-efficiency filtration technology, electrostatic dust collection technology, etc.; material technology mainly includes: photocatalyst, activated carbon, synthetic fiber, HEAP high-efficiency material, negative ion generator, etc. The existing air purifier is mostly adopted as a compound type, that is, a variety of purification technology and material media are used at the same time.

Laboratory air fresher (air clean screen), also known as aerosol adsorber, medical air purifier, etc. It is the use of an air filtration system to constantly put the gas in the external space through the air inlet with a filter and air purification filter after purification treatment, and then put it back into the air, which has achieved the effect of keeping the air in the space clean. The cleanliness of the air-clean screen outlet can reach class 100.

Laboratory air fresher is different from conventional air fresher because the air clean screen generally uses the catalytic decomposition and adsorption purification principle, which has no electrostatic field effect and does not produce harmful gases such as ozone.

Feature of air fresher

a. Easy to achieve a dust-free and germ-free clean space, and non-toxic and non-hazardous gas generation, to ensure the coexistence of human and machine, safer and more secure.

b. Equipped with fan voltage display unit, system working light, and high safety performance.

c. According to different needs, high, medium, and low wind speeds can be adjusted.

d. Adopt HEPA high-efficiency filter approved by medical industry authority: its filtration efficiency of 0.3 microns and above micro-particles reaches more than 99.99%, and non-standard design of filter material is available according to site conditions.

e. Imported advanced centrifugal fan design, energy saving, durable, low noise.

f. Practical, new patented ultra-thin appearance design.

g. Remote control function, which is more convenient and faster.

h. Advanced timing function, which can realize 1h, 2h, and 4h different time period timing and more energy-saving.

Application of air fresher

Air fresher is used in a wide range of applications. It can be applied in various departments and corridors of hospitals where microorganisms, bacteria, and viruses are easily spread and bred, etc. Or be applied to centrifugation, stirring, mixing, violent shaking, and other laboratory operations in the experimental operations prone to aerosol generation. Or be used in libraries, museums, banks, etc., where cultural relics and antiquities are susceptible to corrosion by chemical pollutants in the air. Or be applied to dust particles breeding, pungent odor, harmful gases dense industrial and mining workplaces, etc. To sum up, almost as long as indoor of human activities need the protection of air clean screens. Therefore, the main scope of the air clean screen is applicable to the following.

a. Hospitals, including operating rooms, preparation rooms, ICU/CCU wards, supply room sterile areas, burn wards, infant rooms, premature babies and delivery rooms, post-operative recovery rooms, etc.

b. Food, chemical and pharmaceutical plants, including aseptic rooms, laboratories, locker rooms, drug manufacturing, growth point culture, breeding, sterile animals, electronic parts assembly, etc.

c. Museums (memorials), including cultural relics repositories, cultural preservation centers, cultural relics restoration laboratories, exhibition halls, etc.

d. Archives, including archival repository, archival restoration, archival finishing, archival microfilm reproduction, and other departments.

e. Library, including antiquarian library, special collection library, antiquarian literature imitation and restoration, microfilm reproduction, reading room, data room, and exhibition.

f. Banks, including vaults, cash consolidation rooms, cash clearing consolidation rooms, re-count rooms, archives, copy rooms, etc.

g. Workplaces of industrial and mining enterprises, including work shops, warehouses, offices, etc.

h. Family room, including living room, bedroom, study, nursery, collection room, etc.

i. Learning and working places, including kindergartens, nurseries, schools, offices, conference rooms, lecture halls, etc.

j. Leisure and entertainment venues: restaurants, hotels, bars, indoor activity rooms, etc.

k. Township health centers and clinics, including waiting rooms, consultation rooms, etc.

History of air fresher

Air freshers originated for firefighting purposes. In 1823, John and Charles Dean invented a new smoke protection device that allowed firefighters to avoid smoke while fighting fires.

In 1854, a man named Johns Tenhouse built on the invention of his predecessors: through several attempts, he learned that adding charcoal to an air filter could filter out harmful and toxic gases from the air.

During World War II, the U.S. government began research into radioactive materials, and they needed to develop a way to filter out all the harmful particles to keep the air clean enough for scientists to breathe, so the HEPA filter was born. HEPA filters were very popular for a time in the 1950s and 1960s and were very popular with air-raid shelter designers and builders.

As we entered the 1980s, the focus on air purification shifted to air purification methods such as home air purifiers. While the filters of the past were very good at removing malodors, toxic chemicals, and toxic gases from the air, but not mold spores, viruses, or bacteria, the new air purifiers for homes and office rooms not only clean the air of toxic gases but also purify the air and remove airborne bacteria, viruses, dust, pollen, mold spores, etc.

Working principle of air fresher

With the continuous development of science and technology, laboratories and laboratories have a variety of testing methods, resulting in the continuous increase of pollutants in the hospital air environment. Especially in recent years, the spread of various easily infectious viruses (such as the SARS virus, avian influenza virus, etc.) has led to the gradual deterioration of the hospital environment. The harmful aerosols in the air can directly endanger the health of medical staff and patients.

Air fresher (aerosol adsorber) is developed for the deteriorating hospital environment. It can easily achieve in a short time to make the local space of the polluted air away from medical staff and patients. Therefore, it can be widely used in the working environment of medical units to purify the air and protect the health of medical staff and patients. The air filtration system is the main system to ensure the performance of this equipment. It consists of an air inlet pre-filter, air inlet fan, air duct, purified air filter and UV sterilization device. The main function of the air filtration system is to continuously purify the gas in the external space through the pre-filter and air purification filter and then put it back into the air. The air filtration system can ensure that the cleanliness of the air outlet at the center of the main filter, 420mm long, 270mm wide, and 550mm downstream from the main filter is within the critical plane of the wind speed.

Technical parameters of air fresher

FunctionTechnical parameters
Relative humidity≤75%
Atmospheric pressure75 kPa~106 KPa
PowerAC 220V±22V, 50Hz

Type of air fresher

Passive adsorption filtration air fresher

The main principle of passive air fresher is that the air is pumped into the machine by the fan and filtered through the built-in filter, which can mainly play the role of filtering dust, odor, and c gas and killing some bacteria.

The filter is divided into dust collection filter, formaldehyde filter, deodorization filter, HEPA filter, etc. Among them, the higher cost is the HEPA filter, which is very effective in filtering particles and can play a role in decomposing toxic gases and sterilization. Therefore, it can inhibit secondary air pollution. The quality of the fan and filter of these products determines the effect of air purification. The location of the machine and the layout of the room also affect the purification effect, too.

Active air fresher

The fundamental difference between the principle of active air fresher and passive air purification principle is that active air purifier gets rid of the limitation of a fan and filter, instead of passively waiting for indoor air to be pumped into the purifier for filtration and purification, it effectively and actively releases purification and sterilization factors into the air, and through the feature that air will diffuse, it reaches all corners of the room to purify the air without dead ends.

The main technologies of purification and sterilization factors in the market are silver ion technology, negative ion technology, low-temperature plasma technology, photocatalyst technology, and plasma cluster ion technology.

Dual air fresher

This type of air fresher is actually a combination of passive purification technology and active purification type of technology.

How to buy air fresher?

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If you are interested in our air fresher or have any questions, please write an e-mail to, we will reply to you as soon as possible.

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