Sterile Laboratory Air Supply System

Sterile Air Supply System

gas supply system can be divided into distributed gas supply and centralized gas supply according to its supply method. Dispersed gas supply is to place gas cylinders or gas generators in each instrument analysis room, close to the gas point of the instrument, and easy to use , Save gas, less investment, but because the gas cylinder is placed in the laboratory, the gas cylinder cabinet...

Text label: sterile laboratory air supply system, clean laboratory design and construction

Sterile Gas Supply System

gas supply system can be divided into distributed gas supply and centralized gas supply according to its supply method. Dispersed gas supply is to place gas cylinders or gas generators in each instrument analysis room, close to the gas point of the instrument, and easy to use , save gas, less investment, but because the gas cylinders are placed in the laboratory, the gas cylinder cabinet should be equipped with gas cylinder safety warning signs and gas cylinder safety fixtures. Centralized gas supply is to place all kinds of gas cylinders required by various experimental analysis instruments in independent gas cylinder rooms outside the laboratory for centralized management. The gas of the instrument is required to be delivered to different experimental instruments in each laboratory; the whole system includes the gas source collection pressure control part, the secondary pressure regulating and shunt part and the terminal part connected to the instrument. The whole system requires good air tightness , high cleanliness, durability and safety and reliability, can meet the requirements of experimental instruments for the uninterrupted and continuous use of various gases, and during use, the overall or specific gas pressure and flow can be adjusted according to the working conditions of the experimental instrument. Meet the requirements of different experimental conditions.

When moving and storing gas cylinders, a shockproof gasket should be installed, and the safety cap should be tightened to protect the on-off valve, prevent it from turning accidentally and reduce collision; when transporting gas cylinders filled with gas, a special stretcher is generally used Or trolley, it can also be lifted horizontally or rotated vertically by hand, but it is not allowed to move the switch valve by hand; pressure gas cylinders must be stored in separate locations, and should be securely fixed when placed upright. Gas cylinders should be kept away from heat sources, exposure and strong vibration. The amount of gas cylinders stored in the laboratory should not exceed 2. Pressure gas cylinders that are not suitable for storage in the building should be stored in the gas cylinder room outside the building, but be sure to pay attention. Classified and stored in separate locations; in order to avoid confusion when using various cylinders, the cylinders are often painted with different colors, and the name of the gas in the cylinder is written; the pressure reducer selected on the pressure cylinder should be classified for special use

, the screw should be tightened during installation to prevent leakage. When opening and closing the pressure reducer and the opening and closing valve, the action should be slow. When using, the opening and closing valve should be rotated first, then the pressure reducing device should be opened, and the opening and closing valve should be closed after use. , after exhausting the remaining gas, turn off the pressure reducer, not only the pressure reducer, but not the on-off valve; when using a pressure gas cylinder, the operator should stand in a position perpendicular to the gas cylinder interface, and it is strictly forbidden to knock during operation impact, and often check for air leakage, pay attention to the pressure gauge reading. Gas cylinders should be used exclusively for gas cylinders, and other types of gases cannot be arbitrarily modified. Gas cylinders must be placed upright when stored and used. When the work place is not fixed and the movement is frequent, they should be fixed on a special trolley to prevent tipping. It is forbidden to use lying down. . Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for laboratories, clean laboratories, and GMP laboratories.

A manual or automatic switching system is installed between the gas cylinder and the spare gas cylinder. All gas pipelines should be made of high-quality, seamless stainless steel. The oxygen pipelines should be completely cleaned to make them suitable for oxygen use; the gas pipelines need There are safety pressure release valves, pressure regulating valves, and pressure gauges to indicate gas pressure. All pressure reducing valves need to be connected to an exhaust line leading out of the gas storage area; Toughness, can be in the form of coil or hose; safety relief valves must be marked with pressure relief levels, all valves, regulators, and pressure gauges are made of high-quality stainless steel and are standard accessories; all pipes The gas connection is marked on the road, with suitable grounding protection. The material of the flange gasket in the gas pipeline shall be determined according to the medium conveyed in the pipeline; the connection of the gas pipeline shall be in the form of welding or flange connection, the hydrogen pipeline shall not be connected by threads, and the high-purity gas pipeline shall be socket welded; The connection between the gas pipeline and equipment, valves and other accessories should be flanged and threaded; the bracket of the gas pipeline requires corrosion resistance and can be made of stainless steel or other suitable engineering plastics.

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