are cleanroom air shower effectiveness

In the design and operation of modern cleanrooms, the role of the air shower as an important auxiliary equipment cannot be ignored. In this article, we will analyze the necessity of air showers from various aspects, and discuss their structural design, working principle and application in various industries.

I, the role of the air shower

The air shower is mainly used to remove dust, microorganisms and other pollutants into the clean room personnel and the surface of the goods. Through the impact of strong airflow, the air shower can significantly reduce the degree of pollution into the clean room, so as to effectively maintain the air quality of the clean room, to ensure product safety and reliability. In many industries, the air shower is not only the entrance barrier of the clean room, but also an important means of realizing clean environment control.

II, the air shower structure design

The design of the air shower should give full consideration to its functionality and efficiency, the following are its main structural components:

1. primary filter

primary filters are used to intercept large particles of dust and to protect subsequent high efficiency filters from premature clogging. This component is usually made of fiber material, which can effectively extend the service life of the whole system and reduce maintenance costs.

2. Fans

The fan is one of the core components of an air shower and is responsible for generating a powerful airflow to remove surface contaminants. Fans should be selected based on parameters such as airflow, noise and energy efficiency to ensure that they provide the necessary air flow during the operation of the cleanroom.

3. High Efficiency Filters

A high efficiency filter (hepa or ULPA) captures micron-sized particles and ensures that the quality of air entering the cleanroom is up to standard. This filter is a critical part of the air shower and its performance directly affects the overall purification of the cleanroom.

4. Nozzles

The design of the nozzle is critical, usually using a 360-degree rotating nozzle to ensure that the airflow is uniformly covered, so as to effectively remove the contaminated surface. Nozzle spray speed can be adjusted to 30m/s, can produce a strong wind shower effect in a short period of time.

III, the working principle of the air shower

The working principle of the air shower room is relatively simple, but its efficiency is extremely high. Air containing dust enters the air shower through the return air outlet, and first passes through the primary filter to remove large particles. The air is then accelerated by a special centrifugal fan and flows to a high efficiency filter for further purification. The treated air is sprayed out at high pressure through nozzles to form a strong airflow, which can effectively blow down the dust on the surface of people or objects. The particles that have been blown off are again drawn into the return air channel and filtered through the cycle to achieve efficient air purification. The cycle time of the process can be adjusted according to actual needs, usually set between 0-99 seconds.

IV, the application of air shower in various industries

Air shower is widely used in Electronics, pharmaceutical, food, aerospace and hospitals and many other industries. In the electronics industry, the air shower is used to prevent the impact of static electricity and dust on sensitive components; in the Pharmaceutical industry, it is vital to ensure the sterility of the drug production environment; the food industry needs to control microbial contamination, to ensure food safety; and in hospitals, the air shower is an important device to prevent cross-infection.

Taken together, the role of the air shower in the clean room is obvious, it is not only effective in removing potential contaminants, to ensure the stability and reliability of the Clean room environment, but also to protect product quality and safety of important equipment. Therefore, in the design and operation of the clean room, the installation of air shower is an indispensable link.