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With the hot summer coming, many areas have opened the "baking" mode, and the high temperature of more than 30 degrees makes people sweat when they go out. In the face of such a hot temperature, every family must have one or even several kinds of summer resort artifact. Usually everyone installs air conditioner at home, but some people use air-conditioner, so what's the difference between them?

In addition to the TV, the air-conditioner and electric fan are used more frequently in summer than the TV, but which one is better? Only by understanding such problems can we know what kind of air-conditioner and electric fan is better. In addition, the quality of the air-conditioner is more. If it is not selected properly, it is useless. Therefore, what are the quality of the home air-conditioner, Only when we understand such problems can we know what is good to buy and what is appropriate.

1. The water tank and condenser of the new car are clean, so there is no need to worry, but the second-hand car is different. Many cars have the problem of dirty water tank condenser, and even if the car manufacturer renovates, they will not clean the water tank and condenser

After long-term use, the condenser is easy to form scale in the pipeline. If it is not treated in time, the scale will affect the heat exchange effect, resulting in the increase of the condensing temperature of the unit, thus reducing the cooling capacity and increasing the power consumption of the unit, as shown in the following figure. Therefore, the condenser should be cleaned frequently.

Shell and tube heat exchanger is also called tube and tube heat exchanger. The wall of the tube bundle enclosed in the shell is used as the inter wall heat exchanger of the heat transfer surface. The heat exchanger has the advantages of simple structure, low cost, wide flow section, easy cleaning scale, but low heat transfer coefficient and large floor area. It can be made of various structural materials (mainly metal materials) and can be used under high temperature and high pressure. It is a widely used type at present. [1] there are several types of shell and tube heat exchanger, such as fixed tube sheet steam water heat exchanger, shell and tube steam water heat exchanger with expansion joint, floating head steam water heat exchanger, U-shaped shell and tube steam water heat exchanger, wave joint shell and tube steam water heat exchanger and segmented water water heat exchanger. The main control parameters of shell and tube heat exchanger are heating area, hot water flow, heat exchange, heat medium parameters, etc.