Now the catering industry is very popular. A lot of restaurants need to clean so many tableware every day, which is no longer manual cleaning. Many of them are sent to professional cleaning companies or washed by themselves, which can not be separated from the ultrasonic cleaner. Although the cleaning problem has been solved, many customers still report that the ultrasonic cleaner is not clean.
The ultrasonic cleaning machine is not clean – it may be a problem of water quality
Whether the external pure water of the glass washer can reach the purity. For example, conductivity and resistance are a standard to measure the final pure water, but not the only standard. If the external tap water is underground well water, the final pure water can not be cleaned no matter how much purity it reaches, and white spots and watermarks often appear. The pure water resistivity of ordinary glass washer needs more than 14 trillion, and it needs to be regenerated once a month, or even in a shorter time. As for the factor of cleaning agent, the first or second tank of the glass washer will generally use cleaning agent. It is recommended to use two different solutions for cleaning. The cleaning agents of different manufacturers will also be different. Therefore, the selection of cleaning agent is also very important. Everyone has doubts about the powder detergent, and feels that it will bring white spots to the glass. However, the powder detergent is fully dissolved in pure water, so there is no evidence to prove that the white spots are caused by the powder detergent, and the liquid detergent will also have white spots.
The ultrasonic cleaning machine is not clean – related to the glass material
Glass material is also one of the factors affecting cleaning, such as tempering, flat grinding, etc. If there is no smooth grinding after tempering, it is easy to have fine potassium nitrate left after tempering that is not cleaned with hot water after tempering, and can not be observed with the naked eye at ordinary times. If the glass is not cleaned when it is white, it is taken away for tempering, causing dirt to be brought to the glass lens for tempering. Dust and dirt have solidified in the glass under high temperature, which is generally difficult to deal with.
The frequency and power of the ultrasonic vibration plate of the glass washer are generally recommended to be 40KHZ, but the solvent tank can be 28KHZ. There are also ultrasonic grooves of 28KHZ in the first groove, but the smaller the Hertz is, the greater the wavelength of rough washing is, on the contrary, the greater the possibility of strain. When purchasing a new glass washer, be sure to clean and dry clean the filter, tanks, connecting pipes and other internal parts, otherwise the cleaned products will not meet the standard; The filter shall also be cleaned or replaced frequently during daily maintenance.
It seems that buying an ultrasonic washing machine is not a once and for all thing. Like other passions, ultrasonic washing machines also need regular maintenance. At the same time, water quality and material quality are also issues that need to be considered. The main thing is to have a sense of hygiene, so that the hygiene of tableware can be guaranteed and customers can rest assured.
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