1. the unreasonable design of the project is mainly in the construction of some clean rooms with small cleaning requirements. Now the competition for purification is fierce. Some construction units have offered lower quotations for bidding in order to get the project.
2. using low grade products instead of high grade products in the application of clean room high efficiency filter, the state stipulates that the air purification treatment of 100 thousand grade or above 100 thousand levels should be adopted by the state, and the first, medium and high efficiency filter should be filtered by the three grade filter.
The 3. air supply pipe or filter seal is not well sealed this phenomenon is caused by the rough construction, in the acceptance of the same system will show a room or part of the same system is not qualified. The improved method is that the air supply tube is leaked by the leak test method. The filter uses particle counter to scan the broken surface, sealing glue and installation frame of the filter. Out of the leak position, carefully sealed.
4. the design and debugging of the air return pipe or air outlet is not good for the design of air purification engineering. Sometimes, because of the space limit, the number of "top feed side back" or back air outlet is not enough. After the reasons for design are excluded, the debug of the air outlet is also an important part of the industrial and industrial link. If the debugging is not good, the return air outlet resistance is too large, and the return air volume is less than the air supply volume.
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