How to debug the purification project of the clean room_Company News_News_sz-pharma1
1. Air volume distribution: The air volume distribution is to adjust the supply air volume, return air volume, fresh air volume and exhaust air volume of each clean room to the design air volume according to the design requirements. Because a clean room may have multiple air-conditioning supply and exhaust systems, or one air-conditioning supply system should be responsible for the supply of multiple clean rooms. Therefore, the air volume distribution and debugging work is a heavy workload, long time, patient and meticulous work. The air volume distribution and debugging work is also the key work of the whole debugging work. The commonly used air volume distribution and debugging method adopts the standard tuyere method. Standard tuyere method: a clean room may have several or dozens of air-conditioning supply air vents and return air vents. Because they are all connected, when adjusting the air volume of one air outlet, the air volume of other air outlets will also change with it. Therefore, the standard tuyere method is used. The so-called standard air outlet method is to find the most unfavorable high-efficiency air outlet (the efficient air outlet with the smallest air supply volume) among all the air supply outlets when all valves are opened to the maximum before the air volume distribution. as a standard outlet. A monitoring instrument is installed on the standard tuyere to test the change of the air volume of the standard tuyere at any time. Then adjust the air volume of all other air outlets. Because when adjusting the air volume of any tuyere, it will affect the change of the air volume of the adjusted tuyere; therefore, when adjusting the air volume of any tuyere, the current air volume of the standard tuyere must be used as the reference air volume, so that the air volume of all the adjusted tuyere will follow the same direction. The air volume of the standard tuyere changes synchronously. When a purification air-conditioning system is responsible for multiple clean room air conditioners, the debugging should be carried out in units of clean rooms from the end to the main pipe. For each clean room, first adjust the relative relationship of its air supply volume, and then use the system's The total valve is used to adjust the air supply volume of each air outlet and each clean room to the real design air supply volume. 2. The linkage debugging of the purification project of the clean room is carried out after the adjustment of the air volume and the test run of the single machine. Linkage debugging will purify the air conditioning system and all systems that serve the purification air conditioning system, namely: cooling system (refrigerator, cooling tower, water pump and all accessories on the cooling system), heating system (boiler, water pump and heating system) All accessories), power supply system (distribution box, inverter...) and automatic control system are all put into operation, and the comprehensive performance and linkage performance of each system are assessed. When necessary, artificially set a certain amount of load in the clean room to check whether the linkage of temperature and humidity probes, intermediate instruments and actuators is sensitive and coordinated; check whether the temperature and humidity probes are accurate and their accuracy is qualified.
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