How about the cleaning effect of household dishwasher

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In contemporary kitchens, dishwashers have become standard in many homes. As a mature cleaning technology, what is its cleaning efficiency? This article will systematically analyze the cleaning efficiency of dishwashers from the aspects of cleaning degree, disinfection effect, drying technology and key influencing factors, helping you to understand how these 1 kitchen appliances can redefine clean standards with the help of science and technology.

(1)、Washing degree

1. strong ability to remove oil

The dishwasher adopts multi-directional high-pressure spray system, combined with the dual function of 75 ℃ high-temperature water flow and professional dishwashing powder, which can quickly decompose and peel off stubborn oil stains such as common edible oil, butter and even solidified animal fat. Its unique powerful washing program ensures that the surfaces of dishes and cookware are smooth and film-free by prolonging the high-temperature washing time, and even the heavy oil stains after Chinese stir-frying can be easily removed, thus truly making the dishes dry and non-sticky and restoring their luster as new.

2. thoroughly clean the gap

For details that are difficult to handle by hand, such as cup bottom grooves, fork gaps, or carved tableware, the three-dimensional water flow of the dishwasher can penetrate these subtleties and take away the residue. Experimental data show that the removal rate of common food residues can reach more than 99%, especially when dealing with drying and burnt stains, its effect is often better than traditional hand washing.

(2)、Disinfection effect

1. high temperature disinfection

Dishwashers excel in high-temperature disinfection. The washing water temperature can usually reach above 70 ℃. Under the continuous high temperature environment, the protein structure of most common bacteria and viruses (such as Escherichia coli and Staphylococcus aureus) will be destroyed, thus losing their activity. The entire washing process is equivalent to a thorough pasteurization, which can effectively kill more than 99% of harmful microorganisms on the surface of the tableware, ensure that the surface of the tableware reaches a hygienic and clean state, and ensure the safety of family meals.

2. reduce bacterial residues

The dishwasher's powerful cleaning mechanism significantly reduces bacterial biofilm and residue on the surface of the dishes. Combined with high temperature, long time high pressure water flow and chemical decomposition of special detergent, it can effectively remove grease and food residue, so as to remove the carrier of bacterial growth. Compared with hand washing, it can more thoroughly clean the dishes of complex shapes, and avoid cross-contamination caused by repeated use of sponges and rags, and ultimately greatly reduce the level of bacterial residues.

(3)、Drying effect

Modern dishwashers mainly use two drying technologies: condensation drying and hot air drying.

1. condensation drying

①. Principle

Condensation drying uses the residual heat of the tableware itself after the last rinse to evaporate the water and condense on the inner wall.

②. Features

This technology requires no additional heating elements, consumes less energy and runs quietly. Suitable for daily tableware processing, high cost performance.

2. hot air drying

①. Principle

Hot air drying through the built-in fan blowing heated air, accelerate the evaporation of moisture.

②. Features

Hot air drying can usually obtain a more thorough drying effect, especially for non-absorbent tableware such as plastic. Suitable for the pursuit of efficient drying, all kinds of tableware have higher requirements of the family.

(4)、Key variables affecting the cleaning effect

The cleaning effect is affected by many factors:

1. water temperature control: temperature directly affects the effectiveness of detergent active ingredients and the melting point of grease. The dissolution efficiency of most stains is significantly improved in water temperature above 55 ℃.

2. time parameters: The complete cleaning cycle usually takes 60-180 minutes, and the longer soaking and rinsing time is conducive to the softening and decomposition of stubborn stains.

3. tableware placement: reasonable space layout to ensure that the spray water can reach all the tableware surface without hindrance. Overcrowding or improper angle may form a clean corner.

4. tableware material characteristics: the thermal conductivity, surface energy and water adsorption of different materials affect the cleaning and drying efficiency. For example, the smooth surface of glazed ceramics is easier to clean than porous pottery.

5. stain type: protein, starch and oil stains have different chemical properties, which require corresponding enzyme preparations and surfactants for targeted treatment.

(5)、Operation suggestions for optimizing cleaning performance

In order to achieve the best working condition of the dishwasher, it is recommended to take the following measures:

1.Load the tableware according to the manufacturer's instructions, ensuring that the spray arm can rotate freely and maintain proper clearance between the tableware.

2.Regularly maintain the filter system, usually once a week to clean the filter residue, to prevent food residue clogging affect the water cycle.

3.Select the appropriate program according to the degree of stains, heavy oil stain is recommended to use strong program, light stains can choose energy saving fast program.

4.Use special dishwashing agent and add it according to the recommended amount. Different formulas are designed for different water quality and stain types.

5.Run a high-temperature air wash program once a month, and use a special detergent for the dishwasher to remove the grease and mineral deposits accumulated inside.

Conclusion

Dishwasher is not only a 1 tool to replace hand washing, it has achieved a qualitative leap in cleaning effect by virtue of its efficient decontamination ability, reliable disinfection effect and intelligent drying technology. Through reasonable control of water temperature, time, the correct placement of tableware and regular maintenance, can give full play to its performance potential, to ensure that every cleaning is clean and thorough, safe and worry-free.