Press-in tube type counterflow dew point indirect evaporative cooling and mechanical refrigeration combined air conditioning unit

Abstract

The invention discloses an air conditioning unit combining forced ventilation, pipe type counter-current dew point indirect evaporative cooling and mechanical refrigeration. The air conditioning unit comprises a unit casing, wherein a fresh air outlet and an air supply outlet are respectively formed in the opposite two side walls of the unit casing, a filter, a forced ventilator and a pipe type counter-current dew point indirect evaporative cooler are sequentially arranged in the unit casing in the flowing direction of fresh air entering the unit casing, an evaporator is arranged between the pipe type counter-current dew point indirect evaporative cooler and the air supply outlet, a condenser is arranged above the pipe type counter-current dew point indirect evaporative cooler, and the evaporator is sequentially connected with a compressor, the condenser and a throttling valve through a water-through pipe so as to form a closed loop; an air return opening is formed in the top wall of the corresponding unit casing above the forced ventilator, and a secondary air outlet is formed in the top wall of the corresponding unit casing above the condenser. The air conditioning unit runs based on the combination of dew point indirect evaporative cooling and mechanical refrigeration, meets indoor air-conditioning, heat supply and ventilation requirements all the year around and has the characteristics of energy conservation, environment friendliness, economy and stable running.

Description

technical field [0001] The invention belongs to the technical field of air-conditioning and refrigeration equipment, and in particular relates to a combined air-conditioning unit of a press-in tube type countercurrent dew point indirect evaporative cooling and mechanical refrigeration. Background technique [0002] At present, my country's energy consumption is relatively large, and energy shortages have occurred to varying degrees. In summer, in order to create a cool environment, people need to turn on the air conditioner to meet the indoor temperature and humidity requirements. Traditional air conditioners use mechanical compression refrigeration, mainly using refrigerants such as Freon, which not only harms the environment, but also consumes a lot of electricity when working. In summer, many provinces in our country have experienced different degrees of "power cuts" phenomenon, and the pressure on urban power supply is tense. In addition, the traditional air conditione...

AI Technical Summary

Problems solved by technology

Among them, the cross-flow dew-point indirect evaporative cooler is easier to realize and has a good heat transfer effect; while the counter-flow dew-point indirect evaporative cooler has the best heat transfer effect, but it is not easy to realize

The dew point indirect evaporative cooling air-conditioning technology has a large cooling capacity, but it is affected by the outdoor environment to a certain extent, and the working process has certain instability

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