Multifunctional gas-liquid comprehensive heat exchange device

Abstract

The invention discloses a multifunctional gas-liquid comprehensive heat exchange device. The device comprises a liquid disc, a liquid pump, a fan, a filler, a liquid pouring device and a heat exchanger; an inlet and an outlet of the heat exchanger are respectively connected with a heat exchange loop; the heat exchanger includes a heat exchanger I and a heat exchanger II serially connected with the heat exchanger I; the heat exchanger I is positioned on one side of the filler; the heat exchanger II is positioned in the liquid disc or the liquid pouring device; air blown out from the fan is blown to the heat exchanger I by the filler; the liquid pump is connected with the liquid disc; and in refrigeration, cooling liquid is pumped from the liquid disc, is poured onto the filler through the liquid pouring device, and flows back to the liquid disc. The device overcomes such technical problems as single function, low heat exchange efficiency, easy scaling of the heat exchanger and difficult maintenance in the prior art, can preferably solve multiple technical problems in application of a cooling tower type heat exchange device or an evaporation cooling heat exchange device in the prior art, and realizes the functional diversity and high efficiency of refrigeration or heating.

Description

technical field [0001] The invention relates to a heat exchange device, in particular to a multifunctional gas-liquid comprehensive heat exchange device. Background technique [0002] In the refrigeration and air conditioning or chemical industry, whether the heat exchange device can work efficiently and multi-functionally is one of the important factors to measure the technological advancement of the product. [0003] There are two types of existing similar technologies: cooling tower heat exchange device and evaporative cooling heat exchange device. [0004] When the cooling tower heat exchange device is working, the liquid pump sprays water onto the filler through the nozzle. Under the action of gravity, the water flows along the filler gap from top to bottom, and the water flows along the filler gap from top to bottom. During the process, under the action of the fan, the air is blown to the packing to realize the heat and mass transfer between air and water. The cooled ...

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Problems solved by technology

[0007] 2. The cooling tower heat exchange device is mainly used as a condensing device. Since water is easy to freeze under low temperature conditions in winter, the cooling tower heat exchange device is mainly suitable for use as a condenser, not suitable for use as an evaporator in heat pump air conditioners Crew on

This method will cause the outer surface of the heat exchanger to be wet when it is working, and the outer surface of the heat exchanger will dry out quickly when the heat exchanger stops working. This kind of dry and wet working phenomenon will easily lead to heat exchange Scale and dirt are formed on the outer surface of the heat exchange channel of the heat exchanger, thereby increasing the thermal resistance between the heat exchange tube and the water, and reducing the heat exchange capacity of the heat exchanger

[0015] 4. The evaporative cooling heat exchange device is similar to the cooling tower heat exchange device. The evaporative cooling heat exchange device is mainly used as a condensation device in the air conditioning system. Since water is easy to freeze under low temperature conditions in winter, the evaporative cooling heat exchange The device is also not suitable for use as an evaporator on heat pump air conditioning units

[0016] Due to the deficiencies in the above aspects, the heat exchange between the refrigerant and water and air in the known evaporative cooling heat exchange device is insufficient, thereby reducing the heat exchange performance of the evaporative condensation air conditioner unit and affecting the overall energy efficiency ratio of the air conditioner unit; And because water is easy to freeze under low temperature conditions in winter, the evaporative cooling type heat exchange device is mainly suitable for use as a condenser, and is not suitable for being used as an evaporator on a heat pump air conditioner unit; it can be seen from the above that the existing similar technology cooling tower type Heat exchange devices, evaporative cooling heat exchange devices not only have low heat exchange efficiency, but also have many technical obstacles in the application of heat pump air conditioners

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