Design and construction of clean workshop in electronic industry
Introduction: with the continuous development and progress of science and technology, advanced electronic products also emerge in an endless stream, and the precision of electronic products is also getting higher and higher, the quality is getting better and better, more and more complex components and functions. This also makes the production of electronic products face higher requirements. In the production process of electronic products, the clean workshop is the main place for the production and storage of electronic products. If the temperature and humidity conditions and cleanliness of the clean workshop can not reach the standard of the production process of electronic products, the quality of the electronic products produced in this environment will be seriously affected. Therefore, in the construction process of the clean workshop in the electronics industry, the construction personnel must strictly abide by the construction standards, to ensure that the standards of the electronic clean workshop to meet the standard.This paper first introduces the characteristics of electronic industry clean workshop, including its structure, ventilation and clean; and then for the electronics industry all clean plant construction, including decoration, HVAC, electrical and automation as well as the construction sequence, the article put forward main points and specific measures, so as to ensure the construction quality, ensure the quality of the electronic industry clean workshop.
2 electronic industry clean workshop ventilation: electronic industry clean workshop with a high number of ventilation, fresh air supply characteristics. Because in the production process of electronic products, will produce a lot of heat, acid, alkali and other organic products, need to exhaust air greatly can maintain normal flow and process, to prevent the electronics industry clean workshop indoor environmental pollution, affecting the quality of the electronic products. Therefore, it is necessary to set up a variety of technical ventilation devices to meet the needs of different types of ventilation in the electronics industry. At the same time, in order to ensure the cleanliness of the electronic factory, the clean air circulation of the clean workshop in the electronics industry should reach a certain level.
Two, do a good job in the construction of clean room
1, HVAC professional: good temperature and humidity control is an important requirement in the electronics industry clean workshop. Only accurate and effective temperature and humidity control to ensure the quality of electronic products. To carry out the temperature and humidity control of the clean workshop in the electronics industry, on the one hand, we should do a good job of insulation measures, another important aspect is to set up a reasonable and effective heating and ventilating equipment, in order to effectively adjust the indoor temperature and humidity. First of all, to choose the appropriate HVAC equipment. The electronics industry clean workshop structure, space size, production of electronic products of different specifications and models of temperature and humidity requirements are also different, in the selection process of HVAC equipment should consider its own situation, and the need to control the temperature and humidity, choose suitable HVAC equipment; secondly, to build a warm ventilation pipe should also be cautious seriously, with the structure of electronic industry clean workshop building, consolidate the adequacy and effectiveness of humidity control. At the same time, attention should be paid to the cleanliness and tightness of the interior of the duct, because the dust may penetrate into the working environment of the electronic products, which affect the quality of the products.
2, decorate major: electronic industry clean workshop another important requirement is cleanness. Therefore, in the electronics industry, the construction process of clean workshop, we must control the structure and materials, as far as possible to make the electronics industry clean workshop from decorative materials. In the electronics industry clean workshop material selection, selection of dust material, which can effectively prevent dust accumulation, ensure that the electronic products in the production process of clean; in the construction of the electronic industry clean workshop, pay attention to sealing structure, which can guarantee the electronic industry clean workshop from outside the dust, can also play a certain role of adiabatic temperature, maintain indoor appropriate production and preservation of electronic products.
In the production of electronic products, very little dust will seriously affect the quality of electronic products. Therefore, the electronics industry clean workshop to meet the stringent standards of cleaning. In addition, to ensure uniform indoor air distribution is also an important aspect to consider in the construction of clean industry. If the indoor air is not stable, so the air will be fast production of dust into electronic products, affect the quality of electronic products. The electronics industry clean workshop cleanliness level is divided into 9 levels, 1? 5 airflow level for vertical or horizontal unidirectional flow clean room, 6? 9 with non unidirectional flow is turbulent. Uniform air flow distribution is the main role of limiting and reducing dust on the workpiece or work area pollution. The structure of the clean workshop in the electronic industry is the decisive factor of the indoor air distribution. In the design and construction, the influence of the results on the air flow should be taken into consideration.
3, electrical and automatic control: electronic industry clean plant electrical facilities and automatic control equipment is also an important part of the construction process. The electrical facility is the core of the clean workshop in the electronics industry. In the installation process of electrical facilities must be considered in the electronics industry line clean plant total power and line structure, selection and reasonable installation; and automatic control equipment should be specifically considered clean workshop of electronic industry, reasonable selection and installation. In addition, we should pay attention to the rationality and timeliness of automatic control equipment, pay attention to energy saving.
Clean air conditioning system is an important electrical facilities clean workshop in the electronics industry, is the key to control the indoor temperature and humidity, airflow velocity and pressure gradient of the filters in the system is to bear the important task of dust. Therefore, in the construction of clean air conditioning system, we must pay attention to the quality of each equipment to ensure the effectiveness of the whole system. After the completion of construction, but also to test the effect of their work to ensure that the electronics industry to meet the standards of clean plant.
4, pay attention to the coordination between the various processes in the construction process: in the electronic industry clean workshop construction process, in order to follow the principle of the first, the first after the second principle. If the construction plan is not reasonable, the construction sequence of chaos, will seriously affect the quality of construction, for the future production of electronic products inconvenience and adverse effects. Therefore, the construction plan of construction of electronic industry clean workshop should be reasonable, fully consider the relationship between the various aspects of construction and influence each other, to ensure the construction process reasonable and orderly; secondly, in the construction process, should pay attention to the protection of the construction project to complete; at the same time, in the construction process should pay attention to clean, as far as possible may avoid a lot of dust, ensure the indoor environment clean.
Three, the conclusion
The closed structure electronic factory enclosure, clean room cleanliness, quality and effective degree of temperature and humidity control and electrical equipment is an important index of electronic industry clean workshop, will affect the quality of indoor production and storage of electronic products. Therefore, in the electronics industry, the construction process of clean plant should pay special attention to these aspects of construction quality, to ensure that the electronics industry clean workshop can provide a suitable environment for the production and storage of electronic products.
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