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Maintenance and replacement of High efficiency filter for Laminar Air supply in operating Room

clean-link.com.cn
2021-04-12

The particularity of the operating room, generally in junior high school normal replacement, it is recommended that no more than two years, if the frequency is high, the recommended time is shortened, after all, the good operation of high-efficiency filter in the operating room will reduce surgical infection a lot!There is the particularity of the operating room, it is generally recommended to replace it step by step, because the load of the general operating room is relatively large, there are more operations, and in the event of special circumstances, all must be opened immediately.

Maintenance and replacement of High efficiency filter for Laminar Air supply in operating Room

Maintenance of High efficiency filter for Laminar Air supply in operating Room. 

1. Test method: observe or wipe with white silk cloth. 

two。. For the high efficiency filter, the installation direction must be correct: the vertical connection between the air filter and the frame, leakage, deformation, damage and leakage are strictly prohibited, and the inner wall must be clean without floating dust, oil, corrosion and sundries after installation. 

3. Before installation, the high-efficiency filter is not allowed to tear up or open the packing bag or film by hand; the air filter should be stored strictly in accordance with the direction standard marked on the high-efficiency filter packing box; during the handling of the high-efficiency air filter, it should be handled and handled gently to avoid violent vibration and collision. The clean room must be thoroughly cleaned and cleaned. If there is dust in the air conditioning system, it should be cleaned and cleaned again to meet the cleaning requirements. If a high efficiency filter is installed in the technical interlayer or ceiling, the technical layer or ceiling should also be fully cleaned and cleaned. The package must be unpacked at the installation site for appearance inspection, including: whether the filter paper, sealant and frame are damaged; whether the side length, diagonal and thickness dimensions meet the requirements; whether the frame has burrs and rust spots (metal frame); whether there is a product certificate, whether the technical performance meets the design requirements.

4. The transportation and storage of high efficiency filters should be shelved in accordance with the direction of the factory logo. In the process of transportation, it should be handled gently to prevent severe vibration and collision, and can not be forcibly loaded and unloaded. 

5. When installing the high efficiency filter, the arrow on the outer frame should be consistent with the airflow direction; when it is installed vertically, the direction of the filter paper crease should be perpendicular to the ground. The installation of rough-effect flat plate or folding filter should make the galvanized mesh surface in the direction of the back of the air outlet. If the bag filter is installed, the length direction of the filter bag should be perpendicular to the ground, and the direction of the filter bag should not be installed parallel to the ground. 

6. When the equipment is running, generally do not change the filter; if the filter cannot be stopped and replaced because the replacement period has reached, the coarse and medium effect filter can only be replaced in the case of non-stop fan; the sub-high efficiency filter and the high efficiency filter can only be replaced after the air supply is stopped. 

7. The gasket between the high efficiency filter and the connecting frame must be tight and leak-free to ensure the filtering effect. 

Replacement of High efficiency filter for Laminar Air supply in operating Room. 

The high efficiency filter of laminar flow air supply in operating room is mainly used in operating room. The purifying laminar flow operating room can be divided into four levels: 100000, 10000, 1000 and 1004.Among them, the higher the number, the lower the purification level. When the resistance of the air supply ceiling high efficiency filter has exceeded the rated initial resistance of 160p, or equal to 2 × the initial resistance of design or operation for more than 2 years, it will be replaced at any time if it exceeds the standard. 

In hospitals, many operations require aseptic operation, and if you want to achieve aseptic operation, you can't do without the high-efficiency filter in the operating room, but the high-efficiency filter in the operating room requires that it be replaced every 2-3 years. 

Operating room laminar air supply ceiling high efficiency filter other filter replacement frequency: 

The resistance of crude low efficiency filter has exceeded the rated initial resistance by 60 Paa, or equal to 2 × design or operation initial resistance for 3-6 months, and can be replaced at any time if it exceeds the standard.

The resistance of the medium effect filter has exceeded the rated initial resistance by 80pa, or equal to 2 × design or operation initial resistance for 6-12 months, and can be replaced at any time if it exceeds the standard.

The resistance of the sub-high efficiency filter has exceeded the rated initial resistance of 100pa, or equal to 2 × design or operation initial resistance (3 times of the low resistance sub-high efficiency) for more than one year, and can be replaced at any time beyond the standard; how often does the supply ceiling high efficiency filter be replaced (about 1-2 years).

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