06
2020
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09
Air cooler manufacturers: Reference items and common problems of air coolers
Classification:
【Summary】Air-cooled cooler as a limited pressure vessel for hydraulic system heat dissipation, its function is of course heat dissipation, so the size of the heat dissipation capacity is an important indicator of its functionality, just like the parameters of the number of household air conditioners, determine the use effect; There is also an important parameter is the metal strength, for the cooler, these two are very necessary reference terms.
Air-cooled cooler as a limited pressure vessel for hydraulic system heat dissipation, its function is of course heat dissipation, so the size of the heat dissipation capacity is an important indicator of its functionality, just like the parameters of the number of household air conditioners, determine the use effect; There is also an important parameter is the metal strength, for the cooler, these two are very necessary reference terms.
1. What is the strength of metal?
Metal strength q refers to the metal unit time per kilogram of mass when the average temperature of the heat medium in the metal heat dissipation is 1 degree Celsius different from the indoor air temperature. The higher the q value, the less metal is used to emit the same amount of heat. This index can be used as an indicator to measure the energy saving and economy of the same material cooler. For coolers of different materials, they should be evaluated according to the metal thermal strength of the material.
2. What does the heat dissipation area mean?
The cooling area F of the air cooler refers to the total surface area of the cooling element of the cooler in contact with the indoor air, the higher the oil cooler of the ribbed system, the larger the F value, and the F value of the cascade air cooler is the largest of all kinds of products. However, please note that since the heat dissipation of the cooler Q=K.F.△T, in the case of a certain △T, the Q value must be large if the K.F product is large, that is, a single increase of F may not necessarily increase the Q value.
Core burst: the core burst of the air cooler is mainly because the hydraulic system oil return pressure is too large, and the pressure resistance of the cooler is too low. The reasons may be, one is improper selection, in the selection of the user as far as possible to put forward accurate parameters to the seller for parameter calculation, if the parameters are inaccurate or incomplete, will affect the judgment of the seller, resulting in improper selection. The second is that the quality of the hydraulic oil air cooler is not up to standard, or the pressure resistance written on the manual is not consistent with the actual.
2. Burning fan: If the quality of the fan is not good, it is easy to burn out for a long time, which happens from time to time.
3. The cooling effect of the air cooler decreases: many times it is because the user does not pay attention to keep the cooler clean. Because the cooler is used in more or less dust or other floating objects, the surface of the cooler will be grime for a long time, which greatly affects the cooling efficiency. Therefore, regular cleaning to prevent the accumulation of dirt, especially in the use of dusty environments, but also diligent cleaning.
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