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  • Laboratory design principles and requirements

    Laboratory design principles and requirements

    Aug 19, 2022

    1. The selection, design and construction of the laboratory must comply with national and local construction plans and biosafety considerations. The laboratory design should meet the control of biological, chemical, physical, radiation and other dangerous protection levels to a certain extent to prevent harm to the environment. Therefore, the design of the laboratory should comply with the regulations and requirements of environmental protection and building technical specifications. 2. The design of the laboratory should pay attention to whether the operation is convenient, whether the experimental process is reasonable, and whether the personnel are comfortable. The floor, wall, ceiling, pipeline, laboratory furniture, etc. of the laboratory should adopt the requirements of easy cleaning, anti-dust accumulation, anti-seepage temperature, etc., and should also be reasonably considered from environmental protection, energy saving, safety, economy and other aspects. Choose building materials that meet national standards. 3. Environmental parameters such as temperature and humidity, illumination, cleanliness, and noise in the laboratory must meet the work requirements. From the perspective of safety, it must meet the work needs of the experimenters and fully meet the requirements of energy conservation and environmental protection. The safety and environmental protection issues of the laboratory must comply with the safety management regulations and requirements of the relevant state departments for the corresponding level of the laboratory. It is also necessary to have a risk assessment of improper use of chemicals and confidential information, etc., and take relevant physical precautions. Ensure the safe transfer, collection, handling and disposal of hazardous materials. 4. The corridors and passages of the laboratory should not hinder the passage of people and items. Emergency exits should be set up with obvious signs. The laboratory should be used for the same experiment according to the room and should be disabled. Appropriate warnings and entry replication measures should be taken as required in different states such as disinfection and maintenance. such as warning signs. Warning lights, warning lines, access control, etc. The doors of the laboratory are equipped with door locks as required. Door locks should allow for quick internal opening. Dedicated to laboratory projects,laboratory equipment and laboratory furniture, etc.

  • How to choose the main materials for clean room decoration

    How to choose the main materials for clean room decoration

    Aug 19, 2022

    In the process of clean room decoration, the selection of materials is an important process, which is divided into the selection of pipe materials, the selection of color steel purification materials and the selection of clean floor materials. 1. Selection of air duct materials The new GMP classifies cleanliness classes using the new WHO and EU classification standards A, B, C and D. The cleanliness of the clean room is generally Class C, local Class A or Class B. It is required that the air ducts of the clean air-conditioning system should be made of galvanized steel with good quality and performance. The galvanized steel sheet should have a uniform galvanized layer without obvious oxide layer, and the galvanized layer should be free of pinholes, pitting, scaling, blistering and falling off. Coat hangers, connecting bolts and rivets should be galvanized. The air duct flange can be processed with ordinary angle steel, but the rust removal and anti-rust paint work should be done well. The external insulation of the air duct generally adopts rubber and plastic insulation, and the air duct of the smoke prevention and exhaust system adopts glass wool insulation. 2. Selection of materials for cleanroom sandwich panel purification In order to meet the requirements that the clean room is not easy to accumulate, the enclosure structure of the clean workshop adopts non-combustible purification color steel plate. Purification wall panels should be corrosion-resistant, dust-proof, smooth, high-strength, and have a good sealing effect. Generally, 50 (76) and 100 metal wall panels are used. The panel material is polyester color steel plate, the inside is gypsum board, and the outside is moisture-proof galvanized steel plate. Purification ceiling requires good toughness, good smoothness and high strength. Generally, 55 type magnesium lined paper honeycomb purification color steel plate ceiling is used. The ceiling is made of polyester coated color steel sheet, 5 mm thick magnesium board, paper honeycomb panel and 5 mm thick magnesium board, glued together. Through this reinforcement structure and reliable hoisting, the walking load of maintenance personnel can be satisfied. Food grade sealant is used to seal the gap between the cleaned color steel plates to reduce the dust accumulation area. 3. Selection of clean floor materials The clean floor of the clean room is usually composed of epoxy mortar self-flowing platform and PVC floor. Ordinary epoxy self-flowing platform is mainly composed of mortar and surface coating. The epoxy mortar system consists of epoxy resin, amine curing agent and graded aggregate mixed with inorganic pigments. According to the construction requirements, the construction thickness of the system is 36 mm. Welcome to inquiry for clean room sliding doors、aluminium ceilings and modular partition wall systems etc.

  • The pharmaceutical factory gmp clean workshop project should be controlled by division

    The pharmaceutical factory gmp clean workshop project should be controlled by division

    Jul 13, 2022

    1. Clean area In the layout design of the gmp clean workshop of the pharmaceutical factory, to meet the corresponding cleanliness requirements, the general clean area can be divided into four levels: Class A: It is a high-risk operation area. In the sterile assembly or connection operation area, it is necessary to use a one-way flow operation table to maintain the environmental state of the place. The one-way flow system wind speed control, only in a closed isolation operation area, or gloves In the box, lower wind speed can be used; Class B: generally refers to the background area where the Class A clean area is located for high-risk operations such as aseptic preparation and filling. Classes C and D: generally refer to the clean areas of less critical steps in the production of sterile drug products. 2. Production area Aiming at the pollution problem of the gmp clean workshop of the pharmaceutical factory, it is necessary to carry out a formal and reasonable design and layout of the clean workshop according to the properties of the drug, the technological process and the cleanliness requirements. 1. According to the properties, process, use, production facilities and equipment of the drug, determine the workshop and make corresponding assessments; 2. For the production of special drugs, special or independent workshops, production facilities and equipment should be used, and reasonable purification treatment should be adopted for the exhaust gas, and attention should be paid to the exhaust vents, which should be kept away from the air inlets of other air purification systems; 3. The production of certain amide structure drugs or hormone products requires special facilities and equipment, and is strictly separated from other drug production areas; 4. In the production of cytotoxic and highly active chemicals, special facilities and equipment should be used. In special cases, protective measures should be taken and necessary verifications should be carried out. Such pharmaceutical preparations can be produced in stages and share the same production facilities and equipment; 5. The pharmaceutical gmp factory shall not be used for the production of non-medical products that have a bad influence on the quality of the medicines. 3. Storage area 1. The storage area of the pharmaceutical gmp factory shall have sufficient space to ensure the orderly storage of various materials and products such as raw and auxiliary materials, packaging materials, intermediate products, products to be packaged and finished products that are pending inspection, qualified, unqualified, returned or recalled. 2. The storage area should be able to meet the storage conditions of materials or products (such as temperature and humidity, avoid light) and the requirements for safe storage, and be inspected and monitored. Storage areas should be designed and constructed to ensure good storage conditions, with ventilation and lighting. 3. The layout and facilities of the receiving ...

  • Installation and construction of FFU ceiling grid system in clean room

    Installation and construction of FFU ceiling grid system in clean room

    Jul 13, 2022

    The clean room ceiling grid system is designed according to the characteristics of the clean room, with simple processing, convenient assembly and disassembly, and convenient daily maintenance after the clean room is completed. The modular design of the ceiling system has great plasticity, which can be factory-produced and can be cut on site, greatly reducing the pollution of processing and construction, and the system has high strength, which can be walked on, especially suitable for high-clean areas, such as electronics, semiconductors, medicine industry. Ceiling keel system composition: 1.T-bar: 1) T-shaped structure, dry ceiling, anodized aluminum material, surface electrophoresis treatment. 2) T-bar cross joints can be installed with wires for sprinkler heads, smoke detectors and lighting lamps 3) Cleanroom teardrop lighting can be installed under the T-bar. 2. Connector: 1) The connectors include cross joints, T-shaped joints, corner joints, and zinc alloy materials. The whole system is connected by screw threads to form a whole. 2) Galvanized full wire boom with adjuster to adjust the height of the ceiling, connected by clips and nuts. 3) The screws and nuts are all galvanized materials 3. System expandability: It is convenient to install high-efficiency filter, FFU, etc. 1. Check the reference line - check the reference elevation line - hanger prefabrication - lofting hanger installation - hanger installation - ceiling grid prefabrication - ceiling grid installation - ceiling grid level adjustment - ceiling grid positioning - cross reinforcement piece installation - measurement of deformed zero keel Dimensions—Interface trimming—ceiling grid gland installation—level adjustment of ceiling grid. 2. Check the baseline a. Familiarize yourself with the drawings carefully, and confirm the construction area and the position of the cross reference line according to the relevant information. b. Check the ceiling reference line with theodolite and laser level. 3. Check the benchmark elevation line a. Determine the elevation of the ceiling according to the ground or raised floor. 4. Boom prefabrication a. According to the storey height, calculate the length of the hanger rod required for each ceiling height, and then carry out the cutting process. b. After processing, the boom that meets the requirements is pre-assembled with accessories such as square adjusters. 6. Boom installation: After the stakeout boom is installed, start the installation of a large area of the boom according to the position of the boom, and fix it on the airtight ceiling keel through the flange anti-slip nut. 7. Ceiling keel prefabrication When the keel is prefabricated, the protective film cannot be removed, the hexagon socket head screws need to be tightened, and the prefabrication area is moderate. 8. Ceiling keel installation Hoist the prefabricated ceiling keel as a whole on the pre-assembled T-screw of the hanger rod. The square adjuster is offset from the center of the...

  • The use characteristics of HPL panel

    The use characteristics of HPL panel

    Jun 21, 2022

    In the past, wood played a very important role in the building decoration industry, and architects usually inevitably used wood. However, with the development of industry and the advancement of technology, the various excellent qualities of HPL fireproof panels make It has become a favorite decorative material for interior designers. As a new type of artificial board, HPL fireproof panel can be mainly used as an engineering material for interior decoration. The surface decoration performance of the fireproof board is excellent, and the wood grain finish is the more popular decorative design series on the market. The wood grain surface of the fireproof board with wood grain finish is clear. In addition to the textures we often see in daily life, such as peach wood grain and log grain, the wood grain style can also be pressed by high temperature and high pressure machines to produce various rare and unique grain textures. Make the space look luxurious and elegant, and reproduce the natural style. In addition, the texture style of the fireproof board is controllable. From the color change, the texture texture can be used to make different styles of surface decoration. In addition to the wood grain fireproof board, Ruimeijia also has solid color, leather grain, stone grain, metal There are many series of fireproof boards with different styles, with 50+ surface treatment effects. Different series and different surface treatment textures show different styles and atmospheres in the space. There is no need for too much decoration, and the surface of the board is various. Various colors and textures give each space a different charm, full of elegance and taste, revealing more and wider life connotations, catering to the ever-changing needs of modern people. Fireproof board is a special and magical decorative board product. Its performance is related to the safety of the entire home. Its rich styles directly decorate spaces with different styles. It is economical and practical, and is favored by more and more customers. As a man-made construction engineering material, the performance of the fireproof board will become more and more superior, and the practicability will be stronger in the future. Welcome to inquiry the HPL panel、HPL panel engineering and HPL for clean room.

  • Laboratory purification engineering

    Laboratory purification engineering

    Jun 17, 2022

    The laboratory purification project is a systematic project that applies air cleaning technology to control the living and living environment to meet the requirements of the cleanliness level of the indoor environment. It mainly includes two parts: air purification system and air supply and exhaust system. This entry is reviewed by the "Science China" Science Encyclopedia Encyclopedia Entry Compilation and Application Work Project. Introduction Laboratory purification engineering is a system engineering that uses air cleaning technology to control the living and living environment to meet the requirements of the cleanliness level of the indoor environment. It mainly includes two parts, the air purification system and the air supply and exhaust system Classification Laboratory purification projects can be divided into the following three categories according to their uses and scope of application: (1) sterile laboratory purification; (2) air purification of biological safety cabinets (biological safety cabinets); (3) high-purity electronic industry use Gas and special gas treatment Scope of application 1. Medical industry: surgical ICU ward, etc. 2. Pharmaceutical industry: GMP car drug inspection institute 3. Food processing industry 4. Cosmetics manufacturing 5. Precision machinery manufacturing 6. Scientific research and teaching 7. Other places that need to be purified

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