Common problems of unqualified clean engineering acceptance

Common problems of unqualified clean engineering acceptance

When the cleaning project is over, the factory will entrust a third-party testing company to carry out acceptance testing of the decoration project, and it can only be used after passing the test. According to previous acceptance experience, the number of unqualified acceptance tests is relatively small. The reason why the acceptance failed is because the cleanliness and fresh air ventilation in the clean room cannot meet the standard requirements. Let's learn about the two major problems in the acceptance.

There are two main reasons why the cleanliness does not meet the standard during the acceptance inspection: one is that the quality of air-conditioning equipment such as filters is not up to standard; the other is that the quality of clean room decoration and construction is not up to standard. If the quality of air conditioning equipment such as filters is not up to standard, just replace it. If the quality of the decoration construction is not up to standard, the clean engineering decoration company needs to re-check the construction project, troubleshoot and solve the problem, which will take a lot of time and cost.

There will also be a problem of insufficient air volume and speed during acceptance. Insufficient air supply will directly lead to the failure of the number of air changes in the clean clean room modular or the cross-sectional wind speed of the laminar flow clean clean room modular, which is an important parameter of the clean room. In the final analysis, the clean clean room modular should control the dust concentration in the indoor air within the corresponding range to achieve the corresponding cleanliness.

The main reasons for insufficient air volume and wind speed are as follows. First, the air-conditioning air supply system is not tightly sealed, resulting in gas leakage during the transmission process. The second is that the number of air inlets and outlets is insufficient or the air change frequency of the air outlets is too low. When determining the decoration plan of the clean project, the designer needs to determine the appropriate air volume and speed according to the production situation of the factory workshop. When the design is unreasonable, there will be insufficient air inlet and outlet. Case.

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