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BIBO (Bag In Bag Out) HEPA Filter

BIBO (Bag In Bag Out) HEPA Filter

The bag in and bag out filter (hereinafter collectively referred to as BIBO) is a safety protection filter system, which is generally connected with the exhaust system to prevent the leakage of harmful pollutants. The replacement of air filters or chemical filters used in hazardous environments provides a safe and reliable replacement method. The replacement of the filter is carried out in the protective bag, which can prevent the gas in the box from contacting the outside, thereby protecting the safety of the operator and the environment. The protective bag is equipped with gloves to facilitate the replacement operation of the staff.

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Introduction:

The bag in and bag out filter is a commonly used exhaust device in the pharmaceutical industry and biosafety laboratories. It adopts a fully enclosed bag in bag out design, which can effectively isolate radioactive gases, pathogens and chemical pollution. The box effectively prevents secondary air pollution and ensures the safety of operators.

Characteristic:

The most important feature of the bag in bag out filter is that the installation, replacement and detection of the filter are all carried out under the protection of a PVC bag (or high temperature bag). The filter unit does not contact with the outside air completely, so as to ensure the safety of personnel and the environment and make the replacement process convenient and fast.

Composition and construction:

Bag in and bag out filter is similar to the composition of modular air conditioning unit, it is assembled in the bag in/bag out Housing (Bibo Housing) after combination of different functional unit according to user’s requirements. Common functional units include: Pre-filter, High Efficiency Particle Filter, High Efficiency Gas Adsorption Filter (HEGA), Precision Scan test Sections, etc.

Under normal circumstances, the filter of the bag in/bag out consists of two parts, filter unit and detection unit. The most simple filtration unit contains only efficient particle filter, if the air is not filtered before entering the BIBO system, pre-filters must be used to protect the efficient particle filter. If the inlet air need adsorption filtration, then high efficiency air adsorption filter is needed; Detection unit refers to an automatic (or manual) fine scanning detection device.

In addition to the above main components, there are some supporting equipment on the filter box of BIBO system, such as pressure gauge, pressure hole, quick connection port, etc.. Micro high efficiency particle filters are used between these components and the BIBO housing, to ensure good isolation effect from the outside. Bag in and bag out filter and the air tight isolation dampers constitute a complete air filtration and isolation system, which is called “Containment Systems” in North America.