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  • The following points should be noted in Clean room cleaning

    The following points should be noted in Clean room cleaning

    Aug 11, 2020

    1. Cleaning of the clean room should be done before the end of the day and after the end of the process operation. 2. Cleaning should be carried out in the operation of clean room air conditioning system. 3. After cleaning, the air-conditioning system will continue to operate until the required cleanliness level is restored, generally not less than the self-cleaning time of the clean room. 4. Sweeping mops and rags should not be made of easy-to-remove fabrics. They can generally be made of long-fibre materials or polyurethane sponges. 5. In order to prevent cross-contamination, clean rooms with different cleanliness levels should have their own special cleaning supplies, and garbage should be put into dustproof bags (plastic bags) and taken out. 6. Clean room cleaning detergent can be prepared by adding 30 g neutral residual liquid detergent per liter of water. 7. Purified water should be used instead of tap water for cleaning high-level clean rooms. Disinfectants used should be replaced regularly to prevent microorganisms from developing resistance to antibiotics. 8. When large objects are moved into a clean room, they should be cleaned initially by vacuum cleaner in general environment, and then further treated by vacuum cleaner or wiping method in quasi-clean room. During the period when the clean room purification system stops operating, large objects are not allowed to be moved into the clean room. 9. Small items that need to be brought into the clean room should be wiped and cleaned in the quasi-clean room first, and then brought in through the transfer window or into the handling box. 10. Fire fighting equipment, safety doors and safety passages in the clean room should be clearly marked, and staff members should be familiar with their locations. Safety doors must be open at any time, and no debris should be piled up in safety passages. Safety fire protection facilities should be checked regularly. 11. When a fire alarm occurs in a clean room, an alarm should be issued immediately, the fan and all equipment in the clean room should be closed, and the power supply and flammable gas access should be cut off. (System and fire alarm equipped with fire valve or fire switch will automatically shut down the fan and need manual reset afterwards. Welcome inquiry clean room partition systems、cleanroom wall panels 、clean room false ceiling、clean room doors&windows etc.

  • Technical parameters of clean room

    Technical parameters of clean room

    Aug 11, 2020

    Clean room parameters are a more complicated issue. With the advancement of technology, more and more industries apply clean rooms. Clean rooms in different industries have different parameters, so there are more and more technical parameters. The microelectronics industry has higher requirements for the concentration of air-floating particles; the pharmaceutical industry has higher requirements for the concentration of air-floating bacteria; the precision measurement and precision processing industries have higher requirements for temperature and vibration. In view of the above situation, the technical parameters of the clean room can be divided into two categories: basic parameters and special parameters. Second, the basic parameters of the clean room 1. Cleanliness   Cleanliness is the most important and basic technical indicator of a clean room, and its unit is: the number of particles with a particle size not less than a certain scale per unit volume of air. The microelectronics industry has the highest requirements for cleanliness, followed by the optoelectronics industry.   2. Microbial concentration   Microbial concentration is another important technical indicator of a clean room. Its unit is: the number of microorganisms per unit volume of air. The bioengineering industry has the highest requirements for microbial concentration, followed by the medical, pharmaceutical, food, beverage, and cosmetic industries. There are many types of microorganisms, including viruses, bacteria, fungi, algae, spores, pollen, and mites. Microorganisms in the air are part of the airborne particles, to be precise the more harmful part. Usually the concentration of bacteria in the air is measured.   3 .temperature   Temperature is the basic working condition. Almost all clean rooms have clear requirements for temperature. Temperature will affect the scale of the object, thereby affecting the accuracy of processing, so precision processing has quite strict requirements on temperature. Temperature will affect the parameters of the instrument, resulting in measurement errors, so precision measuring instruments have higher requirements for temperature.   4. Humidity   Humidity is also a basic working condition. Almost all clean rooms have clear requirements for humidity. Excessive humidity will cause chemical reactions of many substances, which will affect the quality of products, and even cause equipment failure and product scrap. If the humidity is too low, many substances will be dehydrated and deformed and lose their original functions.   5. Wind speed and volume   Adequate wind speed and air volume are the guarantee of cleanliness. Excessive wind speed and air volume not only waste energy, but sometimes affect normal work.   6. Air pressure and pressure difference   Normal air pressure is the basic condition for normal work. The necessary pressure differe...

  • Clean room steel door

    Clean room steel door

    Aug 06, 2020

    The clean room steel door body panel adopts sandwich composite panel, and the panel has stainless steel wire drawing panel, color coated steel plate (mainly gray and white, the user can also specify), etc. Sandwich bedding materials include paper honeycomb, aluminum honeycomb, rock wool, resin, foam and so on. The product is manufactured in the factory, the finished product leaves the factory, the installation is fast, tightly closed, durable, and beautiful. Suitable for all kinds of clean rooms (clean rooms), this product is widely used in medical, pharmaceutical, biological, food, sanitation, agriculture and forestry, veterinary medicine, inspection and quarantine, electronics, electrical, aerospace, automobile manufacturing, precision instruments, Colleges and universities and research departments. And high-end office buildings and other places. The process shaping of the clean room steel door adopts special equipment and special molds for one-time stamping and forming, the surface is flat and smooth, and the line feel is clear and seamless. It is equipped with double-layer hollow tempered windows, domestic well-known brand stainless steel handle door locks, door closers, hinges (or customer-specified brand accessories). When the door cover is connected with the machine-made color steel plate wall, the double-fabric frame assembly connection method is adopted. When the door cover is connected with the hand-made color steel plate wall, the independent frame aluminum connection method is adopted. All the connections are specially designed and do not need to be repaired separately. The clean room steel doors and clean room glass windows are the company's summary of the construction and production practices over the years, and have widely adopted a large number of opinions and suggestions from other construction companies and users. The materials and production process equipment have been improved many times. Basically finalized, and recognized by well-known experts in the purification, environmental protection, construction, decoration and other industries, the successful adoption of the clean room steel door and clean room glass window plays a key role in the upgrade of the clean room and changes the original The solidity, air tightness, aesthetics, durability, corrosion resistance and other undesirable defects.

  •  Door and window structure of clean room

    Door and window structure of clean room

    Aug 06, 2020

    Treatment of gaps between clean room doors and windows:Generally speaking, clean room doors and windows have three types of structural gaps. The first type is the assembly and splicing gap between the door and the clean room door opening; the second type is the overlap gap between the door and the opening fan; the third type is the installation gap between the glass or other core boards. Generally speaking, the air leakage of the clean room door is nothing more than the problem caused by the above-mentioned three kinds of gaps. Among the three structural gaps, the first and third types are fixed gaps, and the second type is movable gaps. The nature is different and their proportions on the clean room doors and windows are also different. Therefore, the airtight measures adopted for the airtightness of clean room doors and windows are not completely the same. Treatment of fixed gaps:The installed gaps examined are not only relatively small in the number of doors and windows in each clean room today, but the combination of the door and the opening is relatively hidden after decoration, and it is a fixed gap that is easier to seal. The connection between the rib and the periphery of the hole should be firm, not only for airtight clean room doors and windows, but also for the general clean room door structure. Due to the strong and fierce force of the clean room door, special attention should be paid to the process and the fixing of the clean room door. Whether the fixed points around the opening are firm and stable, but for closed clean room doors and windows, it must also be emphasized that the gap between the chamber and the clean room door or the hole should be tightly filled, and then covered with indoor and outdoor wall decoration layers. Basically ensure the air tightness of this type of gap; the second type of fixed gap is the installation gap of glass or other core boards. The number of gaps in the door of an orange clean room is relatively small, but the structural gaps in the one chamber are often the main part. Especially for the outer universe, they are exposed to the atmosphere and affected by the outdoor climate. It must be handled carefully. On the one hand, it is necessary to minimize the installation gap of the core strip glass, and on the other hand, it is necessary to carefully choose the fortification structure. Handle the movement gap:How to overlap the opening fan and frame material of the clean room door is the key to the design of the clean room door seal. The gap at the lap joint is different from the fixed gap. Because the movable fan needs to be opened, the wood can take the "one-and-for-all" sealing measures. Compared with Zhou, the opening fan of the clean room door is larger, and the movable gap occupies a larger proportion in the total structural gap of the clean room door. The number of openings of the clean room door is much more frequent than that of the clean room. The working conditions of the gap around the door ...

  • 2020-2025 development prospects of clean room service market

    2020-2025 development prospects of clean room service market

    Jul 30, 2020

    1. The development potential of the clean room service market In recent years, with the continuous growth of my country's electronic information, medical and health, aerospace, precision instrument, chemical, food and other industries, my country's clean room engineering industry is ushering in a new period of development, and the scale of market demand continues to expand. In particular, the release of the new version of GMP-2010 and the implementation of medical reforms have greatly promoted the demand for clean rooms in the pharmaceutical manufacturing and food industries and the demand for medical controlled environments, thereby driving the expansion of the market scale of the entire clean room engineering industry, and the industry’s prosperity will Due to the strong market demand for clean rooms, the market has been maintained for a long time, and the continuous expansion of the industry's market scale provides industry-leading companies with huge development opportunities. 2. Prospects for the development of the clean room service market China's clean room engineering industry has made great progress from scratch. Some companies have reached or approached the international advanced level in some areas of the industry. However, as a whole, they still have a certain relationship with superior clean room engineering companies in Europe, America and Japan. gap. In terms of clean room engineering, the construction capacity of domestic companies has improved rapidly, but there is a certain gap between the scale and technical level of clean room construction and advanced countries. Only a few domestic manufacturers have mastered clean room construction technology with high cleanliness , Most companies are still mainly engaged in the construction of low-end clean rooms. In terms of the engineering service model, the companies in the clean room industry in our country have gone through the development stage of "simple traders-simple engineering services-overall solution providers" and have gradually grown stronger. It is foreseeable that with the increase in demand from downstream industries, my country's clean room industry will gain greater market space and will continue to maintain rapid development. 3. Analysis of the development prospects of clean room service sub-industries In recent years, due to the rapid development of China's pharmaceutical and downstream electronics industries, it has fully stimulated the development of China's clean room industry engineering. With the continuous sublimation of China's economic market system and the continuous expansion of economic scale, at the same time, China has since joined the international world trade After the organization, the competition situation of various industries in our country is becoming more and more fierce after the organization, and the market division of labor is becoming more and more refined, and due to the influence of the system, the competition pattern in China is gradually ch...

  • Clean room requirements

    Clean room requirements

    Jul 30, 2020

    The concentration of suspended particles in the clean room is controlled, and its construction and use method is to minimize the particles that enter, produce, and stay in the room; other indoor parameters, such as temperature, humidity, and air pressure, are controlled as needed. The first half of the definition basically describes what is clean, which is a room that minimizes the entry, generation, and retention of particles. To achieve this, first, a very large amount of supply air must be filtered through a high-efficiency filter. The purpose of this air supply is: (1)Dilute and remove particles and bacteria emitted by indoor personnel and equipment; (2) Pressurize the room to ensure that dirty air does not flow into the clean room. Secondly, the building materials of the clean room do not produce particles and are easy to clean. Finally, clean room personnel use clothing to cover their bodies to minimize the particles and microorganisms they emit. These measures and other similar measures to minimize the pollution introduced, generated, and retained using clean rooms. The clean room can also control temperature, humidity, sound, lighting, and vibration. But these characteristics are not exclusive to clean rooms. The clean room is a modern thing. Although the source of clean room design and management can be traced back to anti-infection measures in hospitals more than 100 years ago. However, the demand for a clean environment in the manufacturing industry was only put forward in modern society. The reason why the manufacturing industry needs a clean room is because people, production equipment, and buildings all produce pollution. As explained, people and equipment can produce millions of particles, and general building materials are also easily broken. But the clean room can control the spread of particles, so that the production can be carried out in a clean environment. We are clean room equipment manufacturers.Welcome inquiry.

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