Coronaviruses are a large family of viruses that are common in both humans and animals. There are currently seven strains of human coronaviruses that have been identified. Four of these strains are...
Problem Description: HVAC personnel reflect that the initial filter of the new fan is easy to accumulate dust, the cleaning is too frequent, and the service life of the primary filter is too short....
The HEPA filter should be replaced in any of the following cases:
Table 10-6 Clean air monitoring frequency of clean room
Cleanliness level
Test items
1~3
4~6
7
8, 9
Temperature
...
1. Objective: To establish a standard operating procedure for the replacement of primary, medium and HEPA air filtration treatments so that the air conditioning system is in compliance with the med...
Primary bag filter(also named bag primary filter or bag primary air filter),Mainly used for central air conditioning and centralized air supply systems. The primary bag filter is generally used for...
In most cases, the lower the wind speed, the better the use of the air filter. Because the diffusion of small particle size dust (Brownian motion) is obvious, the wind speed is low, the airflow sta...
