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What are the requirements for a clean room ultra-clean workbench, transfer window, and hepa box?
What are the requirements for a clean room ultra-clean workbench, transfer window, and hepa box?The ultra-clean workbench can maintain high cleanliness and local purification on the operating table according to product requirements or other uses. The ultra-clean workbench can form a sterile and dust-free local purification in the local space of the operating table. Its main components include pre-filters, high-efficiency filters, fan units, shells, static pressure boxes, countertops, and supporting electrical components. wait.The transfer window is mainly suitable for transferring small goods between clean areas and non-clean areas, or between clean rooms. It can effectively reduce the number of openings of the clean room door and reduce the degree of pollution in the clean area. According to the usage requirements, the surface of the transfer window box can be sprayed with plastic, and the inner tank can be made of stainless steel, with a beautiful appearance. The two doors of the transfer window adopt electronically controlled interlocking or mechanical interlocking devices, which can effectively prevent dust from the low cleanliness level area from being brought into the high cleanliness area. It is a purification workshop equipment. High-efficiency air outlet: The high-efficiency air supply outlet products are rated at 10,000-level, the 100,000-level turbulent flow clean room is newly built, and the terminal air supply device of the purification air-conditioning system in the renovation project is available. It can be widely used in purification and air conditioning systems in the electronics industry, precision machinery, metallurgy, chemical industry, and other industries as well as medical, pharmaceutical, food, and other departments. This device is mainly composed of a static pressure box, high-efficiency filter, aluminum alloy diffusion plate, standard flange interface, etc. It has a beautiful appearance, simple structure, and reliable use. This air supply outlet is bottom-mounted, which has the advantage of being convenient to install and replace the filter in the clean room. The high-efficiency filter adopts mechanical compression or liquid tank sealing device to ensure that the air outlet is installed without leakage, the sealing is reliable, and the purification effect is good. Generally speaking, materials entering the clean room should be cleaned and purified with necessary high-efficiency air outlets and FFU before being transported into the clean room to reduce the amount of dust generated by the materials in the clean room. Small items entering the clean room generally enter the ultra-clean workbench through the transfer window between the clean room and the outer corridor or between clean rooms (adjacent rooms with different cleanliness levels). The development of clean rooms is closely related to modern industry and technology. Due to the environmental requirements of the precision machinery industry (such as gyroscopes, micro bearings, etc. processing) and the semiconductor industry (such as large-scale integrated circuit production), the development of cleanroom technology has been promoted. Domestic statistics have shown that the pass rate of MOS circuit dies produced in an environment without clean level requirements is only 10% to 15%, and the 64-bit memory is only 2%. At present, the application of clean rooms in precision machinery, semiconductors, aerospace, atomic energy, and other industries has become quite common. |
