Shanghai Haozhuang solves the common problems in the operation of ultra-clean workbench for you
Shanghai Haozhuang Instrument Co., Ltd. has developed the LNB brand ultra-clean workbench, which is energy-saving and environmentally friendly, leading the country. Professional manufacturing is more secure and affordable
Precautions for use: The ultra-clean platform power supply mostly uses three-phase four-wire, one of which has a neutral wire, which is connected to the machine shell, and should be firmly connected to the ground wire. The other three wires are all phase wires, and the working voltage is 380V. There is a certain sequence in the three-wire access circuit. If the wire end is connected incorrectly, the wind will reverse. At this time, the sound is normal or slightly abnormal. There is no wind on the front of the ultra-clean platform (the alcohol lamp flame can be used to observe the movement and should not be tried for a long time). Just cut off the power supply in time, and just replace any two phases of the wire and then connect it to solve the problem. If the three-phase line is only connected to two phases, or one of the three phases is in poor contact, the machine sound is very abnormal, and you should immediately cut off the power supply and carefully repair it, otherwise it will burn the motor. These common senses should be clearly explained to the staff when starting to use the ultra-clean platform, so as to avoid accidents and losses. The air inlet of the ultra-clean platform is under the back or front, and there is a common foam plastic sheet or non-woven fabric in the metal mesh cover to block large particles of dust. It should be checked, removed and washed frequently. If the foam plastic is aging, replace it in time. In addition to the air inlet, if there are air leakage holes, they should be plugged tightly, such as sticking adhesive tape, stuffing cotton, sticking glue paper, etc. Inside the metal mesh cover on the front of the workbench is a super filter. The super filter can also be replaced. If it is used for a long time, the dust particles are clogged and the wind speed is reduced. When the aseptic operation cannot be guaranteed, you can replace it with a new one. The service life of the ultra-clean bench is related to the cleanliness of the air. In the temperate zone, the ultra-clean bench can be used in general laboratories. However, in tropical or sub-tropical areas, where the pollen contained in the atmosphere, or in dusty areas, the ultra-clean bench should be placed in a better indoor with double doors . Under no circumstances should the air inlet hood of the ultra-clean platform be placed against an open door or window, so as not to affect the service life of the filter. The aseptic room should be regularly sprayed with 70% alcohol or 0.5% phenol for dust reduction and disinfection. Use 2% Xin Jie Er to wipe off the countertops and utensils (70% alcohol is also available). Use formalin (40% formaldehyde) plus a small amount of regular closed fumigation , Cooperate with ultraviolet sterilization lamp (more than 15 minutes at a time) and other disinfection and sterilization methods, so that the sterile room can always maintain the degree of sterility. The inside of the inoculation box should also be equipped with an ultraviolet lamp. Turn on the lamp for more than 15 minutes before use to irradiate the sterilization, but there are bacteria in the place where the irradiation is not possible. When the UV lamp is on for a long time, it can stimulate the oxygen molecules in the air to form ozone molecules. This kind of gas has a strong sterilization effect and can produce a sterilization effect on the corners where the ultraviolet rays do not directly shine. Because ozone is harmful to health, the UV lamp should be turned off before entering the operation, and you can enter it after more than ten minutes. Ultraviolet lamps can also be hung on the ultra-clean workbench, but they should be installed outside the lampshade, and the arrangement of the lamps should be staggered so that the lighting will not be hindered during work. It is useless if the ultraviolet lamp is installed in the lighting lampshade (glass plate), because ultraviolet light cannot penetrate the glass, its lamp tube is quartz glass, not silicate glass. The inoculation room strives for simplicity, and all items that are not directly related to the work of this room should not be placed in order to maintain sterility. The air in the inoculation room should be absolutely isolated from the outside air, and the reserved ventilation holes should be sealed as far as possible. The ventilation holes can be equipped with upper and lower air windows. The area of ​​the air window should be slightly larger. It needs to be covered with 4 layers of gauze for simple dust filtering. After a day's work, you can open the window to fully ventilate, and then close it. In short, it is clean, dust-free and sterile, and the air is fresh, suitable for work. The gauze covering the ventilation window should be changed frequently. However, the above-mentioned measures are only ideal design schemes, which are often difficult to achieve in an all-round way. In fact, only aseptic procedures are strictly enforced. In the room with open doors and windows, there is an ultra-clean platform for protection. The pollution rate of inoculation is still controllable in production level.
Shanghai Haozhuang Instrument Co., Ltd. is a professional manufacturer of ultra-clean workbenches. It provides ultra-clean workbenches for medical and sanitary, pharmaceutical preparations, purification engineering and other fields and laboratories. For more information, please consult Shanghai Haozhuang Instrument Co., Ltd., and look forward to your inquiry!
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