Speaking of the whole heat exchanger may be stranger to everyone, if you replace it with a method called ventilation fan, you may be familiar with it. Yes, the whole heat exchanger is an evolution of the heat exchanger. So what is a total heat exchanger? What is the principle of the total heat exchanger? Let's take a look at the decoration home decoration network Xiaobian.
What is a total heat exchanger?
The total heat exchanger usually refers to a fresh air and exhaust ventilation device that contains a full heat exchange core. In small household air conditioners or VRV air conditioning systems, indoor air quality is poor due to no fresh air. A heat recovery unit is required in the system. The total heat exchanger is an energy-efficient heat recovery device that preheats or pre-cools the fresh air introduced into the air conditioning system by recovering the residual heat in the exhaust gas before the fresh air enters the room or the air cooler of the air conditioning unit performs heat and moisture treatment. , reduce ( increase ) the fresh wind devaluation. Effectively reduce the load of the air conditioning system, save energy consumption and operating costs of the air conditioning system, effectively solve the contradiction between improving indoor air quality and air conditioning energy saving, and has an irreplaceable role in the field of air conditioning system energy saving.
What is the principle of the total heat exchanger?
When the total heat exchanger is working, when the indoor exhaust air and the fresh air flow through the heat exchanger core in a positively intersecting manner, there is a temperature difference and a steam partial pressure difference due to the airflow on both sides of the air flow partition plate, and when the two air flows pass through the partition plate The phenomenon of heat and mass transfer is presented, causing a full heat exchange process. During the summer operation, the fresh air obtains the cooling capacity from the air conditioning exhaust, which lowers the temperature, and is dried by the air conditioner to reduce the moisture content of the fresh air. In the winter operation, the fresh air obtains heat from the air conditioning room and the temperature rises. In this way, the fresh air is recovered from the air conditioning exhaust by the total heat exchange process of the heat exchange core.
Which is better for the total heat exchanger?
1, a rotary total heat exchanger: aluminum, aluminum alloy, or fiber paper sheet as the base material, dip-coated lithium chloride moisture absorbent, made of a flat plate and a corrugated plate arranged alternately, honeycomb cross-section, showing the shape A wheel-shaped heat exchanger that simultaneously performs sensible heat and latent heat exchange. It is often used to preheat the fresh air by using the air conditioning and ventilation system. The wheels work in a rotating manner. When the wheel core turns to the lower part, the exhaust air passes, so that the runner is heated in winter and cooled in summer. When the wheel core turns to the upper part, the fresh air flows, the winter is heated by the wheel core, and the summer is cooled. Set up a community at the upper and lower junctions to clean the wheel core with fresh air. If no moisture absorbent is applied to its base material, it becomes a rotary sensible heat exchanger.
2, plate-fin heat exchanger full: a total heat exchanger plate fin main internal structure of a plate fin heat exchanger, and a general plate fin heat exchanger different, which is a plate-fin separator and special Thin paper of material with good heat and moisture permeability and not breathable. When there is a difference between the wet and the water vapor pressure on both sides of the intake and exhaust, heat and moisture exchange occurs to achieve full heat recovery.
The above is what Xiaobian brings to you. What is a total heat exchanger? What is the principle of the total heat exchanger? For the whole content, I believe that everyone has a basic understanding of the total heat exchanger after reading this article. If you want to know more about the decoration consultation, please click to enter the decoration knowledge channel .
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