Completion performance acceptance of clean engineering system
Completion performance acceptance of clean engineering system
The air duct production of the air system shall be checked and accepted by items in the clean project, which shall be carried out separately according to the material, process, type and aerosol contained in the conveyed air; the thickness, corrosion resistance of the air duct and its insulation performance, should meet the requirements of fire protection regulations; conveying contains ...
Text label: Completion acceptance of clean project, performance test of purification system
Completion performance acceptance of clean engineering system
The air duct production of the air system shall be checked and accepted by items in the clean project, which shall be carried out separately according to the material, process, type and aerosol contained in the conveyed air; the thickness, corrosion resistance of the air duct and its insulation The performance should meet the requirements of fire protection regulations; the air ducts containing harmful biological aerosols should not have openings on the air ducts. If the air ducts must be provided with openings or connecting ports, they should be located in the negative pressure pollution area. The length dimension of the inner edge of the frame opening where the high-efficiency filter is installed shall not have a positive deviation, and the allowable negative deviation shall not be greater than 3mm.
The frame of the high-efficiency filter installed in the clean project should be flat, and the allowable deviation of the flatness of the installation frame is 1mm; after installation to before the comprehensive performance measurement, it is not suitable to install the diffuser plate and decorative layer; install the high-efficiency filter in each independent clean environment The resistance of the filter should be reasonably allocated. For a one-way flow clean room environment, the difference between the rated resistance of each filter and the average value of the rated resistance of each filter should be less than 5% between the filters on the same air outlet or air supply surface. The measured value of the high-efficiency filter product should be checked; about the number of detections, random inspection should be carried out according to 20% of the number of unidirectional flow outlets or air supply surfaces where multiple filters are installed, and the maximum should not be less than 1 air supply outlet or air supply surface; The high-efficiency filter device with dynamic air flow seal with differential pressure gauge should be tested for air supply, and the reading of differential pressure gauge should be above 10Pa. All air outlets with differential pressure gauge should be tested during the test and observation. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean engineering and purification system engineering.
Completion acceptance includes design conformity confirmation, installation confirmation, and operation confirmation. Among them, the following items should be adjusted and tested for operation confirmation: detection of fan revolutions, air volume and outlet static pressure; measurement and balance of system and room air volume ; Automatic adjustment system linkage operation, precise setting and adjustment; detection and adjustment of static pressure difference between the same clean room modular areas; temperature and humidity setting and adjustment; scanning leak detection of all high-efficiency filter installation frames and filter element bodies; Level; switching inspection for different operating conditions specified in the design. The acceptance of the clean project should be carried out through a comprehensive assessment of the comprehensive performance of the clean room, performance inspection and performance confirmation, and the performance acceptance should be realized after the performance confirmation is qualified; the air cleanliness test, the biological clean room should be tested for the concentration of planktonic bacteria and sedimentary bacteria; Differential pressure test; wind speed or air volume test.
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