For the dustless workshop, we should first understand the purpose of the workshop, the production process, and the cleanliness, temperature and humidity of the clean room. Secondly, we should fully understand the division of the functional areas of the dustfree workshop to determine the cleanliness level of each production process and the requirements of various control parameters.
The decoration of the wall panel and ceiling in the dustfree workshop should meet the following requirements:
The decoration surface of the dust-free workshop wall and ceiling shall be smooth, smooth, not dusty, avoid glare, facilitate dust removal and other requirements, and reduce concave convex surface.
Kick your feet should not highlight the wall.
It is not suitable to use masonry wall plaster walls in the dustless workshop. When the time is necessary to dry the work, the standard of high level plaster is adopted. Wall plaster should be painted on the surface of the paint, and should be difficult to burn, not cracking, clean, surface smooth, not easy to absorb water to mold the mold. The metope and ceiling surface of the dust-free workshop should be smooth and smooth. The technology interlayer in the ground shall be waterproof or moisture-proof and mildew proof.
The design of dust-free workshop is different from that of general industrial plants. Shenzhen qingshan purification system engineering equipment co., LTD. Is a brief summary of the main design features of the dustless workshop.
1. To determine the control objects and technical requirements of the design dustless workshop according to the categories and usage of products produced in the dust-free workshop. The control object is dust grains and microorganisms in the air. Different products or use of the dustless workshop, the level of air cleanliness, the amount of microorganism in the air and the concentration, pressure differential requirements are different.
2, in order to ensure the dust-free workshop need clean air, clean workshop involved in the design of various professional design are proper and reliable technology measures should be taken, to reduce or prevent the indoor dust and microbial breeding, production, to reduce or prevent the particles/microorganisms or may cause cross contamination of materials into dust-free workshop, effectively will indoor particle/microbial discharge, in order to reduce or prevent them from stranded in a dust-free workshop. Due to dust particles/microbial cross-contamination may do harm to the quality of the products or materials or personal safety, is safe and reliable technical measures should be taken to prevent cross infection, such as strict control of the static pressure differential between the different USES of dust-free workshop, rationally divided according to the requirement to purify the air conditioning air supply system and return air system, air system of proper design, etc.
3, dust-free workshop design is a combination of various industrial design technical requirements, especially dust-free workshop process design, architectural design, air purification and various special requirements of design technology of close coordination, mutual penetration and reasonable arrangement of integrated design. Dust-free workshop should be in accordance with the production process, choice of reasonable purification equipment and devices, and try our best to realize flow and logistics flow short express, air flow pattern choice is proper, purify the air conditioning system configuration is reasonable, all kinds of special requirements of technical measures properly, dust-free workshop plane, air conditioning layout is reasonable, reliable and economic operation of dust-free workshop facilities.
4. The design of the dustfree workshop should ensure safe production and meet the requirements of environmental protection. Dust-free workshop layout arrangement and the design of the facilities must accord with the requirement of fire protection, fire protection, should be designed according to the state's relevant standards, norms, because the dust-free workshop in the plane and space layout of the special and corridor twists and turns, in the technical facilities of the system design, equipment configuration and material when the choice, should pay special attention to choose out the conform to the requirements of the system, equipment and materials.
5, with the development of science and technology, the upgrading of industrial products quickly, people also more and more higher requirement for quality of life, industrial dust-free workshop, biological dust-free workshop building with each passing day, therefore, dust-free workshop design itself have the characteristics of high and new technology, in order to improve the dust-free workshop after the completion of the technical and economic benefits, we should try to as much as possible in the clean workshop design flexibility, so that after the completion of dust-free workshop can along with the development of science and technology, can be easily technical renovation or cleanliness level, to meet the requirements of product cycles or equipment update. In recent years, the microelectronics industry very large scale integrated circuit production, pharmaceutical factory dust-free workshop design, build, modular dust-free workshop, isolation device and the microenvironment of continuous research and development, and is widely applied, is a kind of can adapt to the development of the technology of flexible and comprehensive economical dust-free workshop design.
Construction scheme of WKK workshop:
1) ceiling of color plate: clean area with double-sided color plate, color with grey, thickness of 50mm clip core; Other area can also make light steel keel plasterboard or aluminous gusset plate smallpox, 600*600mm.
2) the partition part of the color steel plate: the enclosure of the double-sided color steel plate and the spacing, the packing column, the enclosure face to the ceiling; Clean corridor and workshop space make aluminum glass window, windowsill is 900mm, glass thickness 5mm, width 2000, high 1000mm; Double open the door height width (2100 mm), (1600 mm), aluminum window materials with special purification materials, 45 degrees of bevel edge, and compared with that of the ground and smallpox of yuan Yin Angle interface, conform to the requirements of the specification and sterilizing, the overall light, easy to clean, not easy to dye dust.
3) single door: 800X2100mm, glass observation window, and ball channel lock.
4) ground: the original cement floor needs to be smoothed down to make a 2mm thick EPOXY resin layer and wear resistant pressure. Other areas can be thickened by 0.5mm epoxy resin roll coating; The color is green. Clean and bright clean, easy to clean, sanitary, non-dusty bacteria, or laid PVC antistatic flooring.
5) pillar: the column is used to use the color steel plate to partition the material with the outer cylinder of the whole package.
6) lighting and distribution: using stainless steel side suction top type clean lamp plate 40WX2, working area > 300Lux, aisle area >100Lux; No dust room with uv - sterilization lamp, and lighting lamp branch design. Use an iron tube for a dark compress. Comply with fire protection and electricity specification.
7) the personnel shall be purified before entering, and shall have shoes, one, second dressing, hand-washing, drying, hand sanitizing and wind shower door.
8) the air circulation system composed of the exhaust air ensures the freshness and cleanliness of the indoor air. The water cooled or air-cooled unit is added to the pressurized air tank (including secondary effect filtration), and the end is filtered by the galvanized air duct to ensure the cleanliness of the air.
Purification parameters
Ventilation frequency: 100,000 or more than 15 times; The 10000 level is greater than 20. 30 1000 or greater. Pressure difference: the main workshop is more than 5Pa mean wind speed for adjacent rooms: 100.3-0.5m/s; Temperature 16 ℃; winter > Summer < 26 ℃; Fluctuation plus or minus 2 ℃.
Temperature 45-65%; The humidity of GMP powder workshop is about 50%. The electronic workshop humidity is slightly high to avoid static electricity.
Noise is less than 65dB (A); The new wind supplement is 10% to 30% of the total air supply. Illumination 300 lx
Purification principle
Airflow to early effect and purify air conditioning, the effect of purifying - fan air - pipe to efficiently purify tuyere, blow into the room to take away the dust particles such as bacteria, early return air shutter and purification Repeat the above process, can achieve purification.
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Clean room and clean area of clean area air