A closed-loop double-pump preheating and dehumidification indoor heating supply system

Abstract

The invention discloses a closed ring double-pump type preheating dehumidifying indoor hot air supply system. The closed ring double-pump type preheating dehumidifying indoor hot air supply system comprises a preheating outer machine case, a dehumidifying outer machine case, a heating inner machine case, a primary condenser, a secondary condenser, a primary evaporator, a secondary evaporator, a primary compressor, a secondary compressor, a primary one-way valve, a secondary one-way valve, an inlet and outlet air waste heat recycling device and an air amount variable terminal heat supply device. A here-case body double-pump double-refrigerant loop structure is adopted, outdoor wet and cold air is preheated by the preheating outer machine case first so that a dew point is increased; then, dehumidifying is performed through the dehumidifying outer machine case, so that very good dehumidifying and drying effects can be achieved; and moreover, a relatively high temperature can be retained,so that the heating of the heating inner machine case is facilitated, and the efficiency and the heat utilization rate are improved.

Description

technical field [0001] The invention relates to an air conditioning system, in particular to a closed-loop double-pump type preheating and dehumidifying indoor heating supply system. Background technique [0002] At present, there is no collective supply of ducted heating in the south. The heating method is the electric heating integrated in the air conditioner, which is the heating mode in the heating and cooling air conditioner. In the traditional heating and cooling air conditioner, when cooling, the compressor compresses the gaseous refrigerant into a high-temperature and high-pressure gaseous refrigerant, and then sends it to the condenser (outdoor unit) to dissipate heat and becomes a liquid refrigerant at room temperature and high pressure, so the outdoor unit blows What comes out is hot air. Then it goes to the capillary tube and enters the evaporator (indoor unit). Since the space suddenly increases and the pressure decreases after the refrigerant reaches the evapo...

AI Technical Summary

Problems solved by technology

The traditional cold and hot air conditioner is used for heating in winter and spring in the south. There are mainly the following deficiencies. Because the indoor and outdoor units operate relatively independently, when heating, only the fan of the indoor unit transfers the indoor air from the evaporator of the indoor unit. (The heating mode is the function of the condenser) and then it is blown into the room after being heated, and the internal circulation is used for heating and heating. However, the winter and spring in the south are humid and cold even with plum rain, and the air is extremely humid. The internally circulated air is used for heating and heating, except that there is no fresh air In addition to causing stuffiness, it will also produce heat and humidity. Although the indoor temperature has risen, it is still humid, which makes people feel very uncomfortable. Moreover, the air with high temperature and high moisture content will encounter low-temperature objects (such as floors, desktop or even bedding, etc.) will adhere to form water droplets, resulting in the phenomenon of returning to the southern sky

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