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Condenser and cooler of plate heat exchanger

Views:5     Author:Site Editor     Publish Time: 2021-04-28      Origin:Site

Condenser and cooler are now one of the important parts of plate heat exchanger equipment in refrigeration equipment. Many people use it more. But what is the difference between condenser and cooler? Condenser and cooling What are the differences in the design of the condenser? One of the differences between the condenser and the cooler is whether there is a phase change. As the name implies, the condenser will condense and transform the gas phase into a liquid phase. The cooling water of the cooler is only for cooling, there is no phase change, just a pure temperature change ; In addition, the cooling medium they use is also different. The purpose is also different. The cooler is used to cool the material without phase change. The condenser is used to cool and condense the gas phase, with phase change. It can be said that the difference lies in whether there is a phase change.Condenser and cooler of plate heat exchanger - GUPHE

Condenser and cooler are now one of the important parts of plate heat exchanger equipment in refrigeration equipment. Many people use it more. But what is the difference between condenser and cooler? Condenser and cooling What are the differences in the design of the condenser? One of the differences between the condenser and the cooler is whether there is a phase change. As the name implies, the condenser will condense and transform the gas phase into a liquid phase.

 The cooling water of the cooler is only for cooling, there is no phase change, just a pure temperature change ; In addition, the cooling medium they use is also different. The purpose is also different. The cooler is used to cool the material without phase change. The condenser is used to cool and condense the gas phase, with phase change. It can be said that the difference lies in whether there is a phase change. The second difference between condenser and cooler design is the difference in heat transfer coefficient. Generally speaking, since the heat transfer film coefficient of the condensation process is much greater than that of the cooling process without phase change, the total heat transfer coefficient of the condenser is generally larger than that of the simple cooling process. There are many, sometimes an order of magnitude larger. Condenser is generally used to cool gas into liquid. 

Condenser generally has a very hot shell. The concept of cooler is relatively broad. It mainly refers to a plate type conversion that converts the hot cold medium to room temperature or a lower temperature. Heater equipment. The difference between condenser design and cooler III. The series plate heat exchanger distinguishes the two series plate heat exchangers. How should the condenser and the cooler be distinguished? Under normal circumstances, the condenser with a large inlet and a small outlet is the condenser. Coolers with the same caliber are generally coolers, which can be easily seen from the shape of the equipment. In addition, when two plate heat exchangers are connected in series, under the same mass flow rate, since the latent heat is much higher than the sensible heat, the plate heat exchanger has a larger area under the same type of plate heat exchanger. The condenser is the condenser, that is, the larger one should be the condenser! The condenser is a plate heat exchanger device that condenses into a liquid material by absorbing the heat of the vaporous material. There are phase changes, and the changes are quite meditative.   

The cooling medium can directly or indirectly absorb heat from the condensed medium, but there is no change in phase change. The cooler only reduces the temperature of the cooled medium without phase change. In the cooler, the cooling medium and the cooled medium are generally not in direct contact, and the heat is transferred by tube or jacket. In addition, the general cooler has a more complicated structure than the condenser. Personally think that when designing the condenser, we should consider the flow rate, the limitation of the inlet flow rate, and the pressure drop of the cooler. Of course, the same equipment can be used as both a condenser and a cooler, depending on the suitability of the working conditions. Based on the above information, the difference between the condenser and the cooler is summarized 

1) The cooler has no phase change, but the condenser has a phase change, and the pipeline entering and leaving the cooler does not change. Generally, the inlet and outlet of the pipe diameter are different, and the condenser enters and exits. The diameter of the tube varies greatly, and it is easier to see.

 2) Generally, there is a difference in the setting of the baffle between the two. The condenser is set up and down, and the cooler is set up and down. The heat transfer coefficient is also different. 

3) There is a liquid level gauge and a liquid level control port on the intercooler but not on the condenser;

 the steam inlet and outlet on the intercooler are both in the upper part of the container and the pipe diameter is basically the same, while the condenser liquid outlet They are all at the bottom of the container, and the pipe diameter and the air inlet are quite different; the inlet and outlet of the intercooled ammonia liquid are under the container, but the inlet and outlet of the condenser are not. The vertical type is generally one up and down, and horizontal. Style at one end of the container. The condenser with phase change is the condenser, otherwise it is the cooler; because the gas enters the condenser from the upper part, the condenser has a condensation surface, and after the gas enters, it is all concentrated on the upper part of the condensation surface, so the baffle should be installed on the left and right. Let the condensed liquid extend the residence time and continue to cool down; after the cooler is fed, in order to effectively use the area of the plate heat exchanger, the baffles should be set up and down to fill the cooler with the medium that needs to be cooled.


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