CN100439804C

CN100439804C - Air-cooled (heat pump) air conditioner machine set with wet curtain precooling device

Info

Publication number: CN100439804C
Application number: CNB2005100322542A
Authority: CN
Inventors: 梅保胜; 彭建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-17
Filing date: 2005-10-17
Publication date: 2008-12-03
Anticipated expiration: 2025-10-17
Also published as: CN1952504A

Abstract

The invention relates to a wind cooling air-conditioner unit with wet curtain precooling device. The wet curtain precooling device is set at the wind inlet of air-conditioner unit. Cooling air of air-conditioner unit is preprocessed by simple and cheap wet curtain cooling technology. When the fan of air-conditioner drafts or blows air outside high-temperature air is compelled through wet curtain and becomes cooling air with high humidity and cooling air enters into air-conditioner and cools the condensator. In this way, in summer with heat climate high-temperature decreases about 5-15DEG C. The consumption of high pressure compressor decreased notably, refrigerant quality increased and good energy-saving performance are accomplished by air-conditioner with wet curtain preprocessing cooling water.

Description

Air-cooled (heat pump) air-conditioning unit of band wet curtain precooling device

Technical field

The present invention relates to a kind of air-conditioning unit, especially a kind of air-cooled (heat pump) air-conditioning unit that has wet curtain precooling device.

Technical background

Existing air-cooled air-conditioning comprises the family expenses split-type air conditioner, commercial air-cooled air-conditioning and big-and-middle-sized air-cooled heat-pump air-conditioner group, and in the hot time in summer, cooling effect is generally bad, the condensation temperature height, air conditioner energy consumption height, fault is many, inefficiency.

The Wet-curtain temperature reducing technology is a kind of air cooling-down technology of novel cheap and simple: the Wet-curtain temperature reducing system is made up of wet curtain, blower fan and water system.Its cool principle is: the moisture content that water system provides moistening cascade to need, when fan operation, produce pressure reduction on wet curtain both sides, and make air flow through the moistening wet curtain of porous.Water on the wet curtain bore area evaporates under adiabatci condition, and the air of the wet curtain of being flowed through is again taken away, and has taken away a large amount of heats simultaneously, thereby has reduced the temperature of air self.Forced the dry-bulb temperature of curtain air to reduce to the wet-bulb temperature that approaches the machine outer air, its temperature difference is bigger, and cooling-down effect is good more.

Though there is very significant cooling-down effect in the Wet-curtain temperature reducing system, because the air humidity after the cooling is big, and be not suitable for being directly used in the adjustment in the human movable space of life.Also improper for enclosure space.

Summary of the invention

Technical scheme of the present invention is, air inlet at the air-conditioning unit is installed wet curtain precooling device, the Wet-curtain temperature reducing technology that adopts cheap and simple is that the cooling air of air-conditioning unit is done preliminary treatment, when the fan exhausting of air-conditioning unit or air blast, force the external high temperature air earlier by wet curtain, cooling becomes the cold air of high humility, and cold air enters in the air conditioner again, and condenser is cooled off.So, can make the high temperature air temperature under the hot climate in summer reduce by 5～15 ℃, adopt the wet pretreated air-cooled air-conditioning unit of curtain, can obtain good energy-saving effect.

Compare with the similar techniques of direct water atomizing spray condenser, wet curtain technology is simple, and long-term the use can not make condenser fin fouling and rotten yet, and the waste of water is few.It is the new technology of a simple ripe practicality and high efficiency.

Description of drawings

Fig. 1 is wet curtain structure and operation principle schematic diagram.

The condenser work in combination schematic diagram of wet curtain of Fig. 2 and air-cooled air-conditioning unit.

Fig. 3 is embodiment 1, is the family expenses split-type air conditioner machine off-premises station of band wet curtain precooling device.

Fig. 4 is embodiment 2, is the large-sized wind cooling heat pump water chiller-heater unit of band wet curtain precooling device.

In Fig. 1, Fig. 2, Fig. 3 and Fig. 4,1 is wet curtain.In Fig. 2, Fig. 3 and Fig. 4,2 is that condenser, 3 is blower fan.In Fig. 3 and Fig. 4,4 is feed pipe.

The specific embodiment

Below in conjunction with drawings and Examples the present invention is elaborated.

Fig. 1 is wet curtain structure and operation principle schematic diagram, the 1st, and wet curtain, it is tabular that profile is, constitute by hydrophilic unconsolidated material cellular or lamination corrugated paper shape, generally be that the macromolecular material fibrous material is made through special process.During work, water is flowed out by feed pipe, infiltration from the aperture of the wet curtain inside of wet curtain upper end edge and areola and descending.The air of high temperature enters wet curtain 1 from a side under the effect of blower fan, in wet curtain 1 inside, take away the water vapour on wet curtain material top layer, and constantly evaporation is additional for the moisture content in the feasible wet curtain.Because water evaporates need absorb a large amount of latent heat, and air is unique material that heat can be provided, therefore, the air of process can be by moistening and lowering temperature.Temperature by air is high more, and is dry more, and then cooling-down effect is good more, and the highest cooling can reach 15 ℃.

Fig. 2 is the air-conditioning condenser fundamental diagram that has wet curtain precooling device, the 1st, and wet curtain, the 2nd, condenser, the 3rd, condensation fan.Condensation fan 3 outside exhausting cause negative pressure in the machine, and outside air enters in the air conditioner from the outside of wet curtain 1.Because wet curtain 1 is an air must the pathway warp, the cooling that is cooled through wet curtain 1 time of the air of high heat enters the mezzanine space of wet curtain 1 and condenser 2, enters condenser 2 cooling refrigeration agent again.Because it is low to enter the air themperature of condenser 2, therefore, air conditioner can obtain favorable cooling effect.

Fig. 3 is embodiment 1, is that the family (merchant) that has wet curtain precooling device uses the split-type air conditioner off-premises station.To wet curtain top, water permeates moistening from top to bottom feed pipe 4 with water droplet.Condenser fan 3 is exhausting laterally, causes negative pressure in the machine, and the external high temperature air enters in the machine from wet curtain 1 one sides.When the wet curtain of hot-air process 1 inside, water on the feasible wet curtain 1 endoporus table is by adiabatic evaporation, a large amount of sensible heats that absorb air, thereby air themperature is reduced, after the air after the cooling comes out in the wet curtain 1, then enter condenser 3, strengthened condenser 3 effects greatly, thereby improved the efficient of air conditioner.

Fig. 4 is embodiment 2, is large-sized wind cooling (heat pump) the hot and cold water unit that has wet curtain precooling device.Wet curtain 1 is installed on the unit air inlet outside, and blower fan 3 is installed on the unit top, and condenser 2 is on unit top.Blower fan 3 updrafts make the inner negative pressure that forms of unit, and outside air enters unit from wet curtain 1.Behind wet curtain 1, temperature reduces, and then enters condenser 3 cooling refrigeration agent.

Claims

1. air-cooled heat-pump air-conditioner group that has wet curtain precooling device, comprise a cover air-cooled heat-pump air-conditioner group and a wet curtain precooling device, it is characterized in that: wet curtain precooling device is installed on the condenser air inlet of air-cooled heat-pump air-conditioner group, and the air intake of all condensers must be earlier by just entering the condenser of air-conditioning unit after the wet curtain precooling device precooling.

2. air-conditioning unit according to claim 1 is characterized in that: wet curtain precooling device is made of wet curtain, feed pipe, water pump, cleaner and wet curtain fixed frame.

3. air-conditioning unit according to claim 1 is characterized in that: wet curtain precooling device is made of wet curtain, feed pipe, cleaner and wet curtain fixed frame.

4. air-conditioning unit according to claim 1 is characterized in that: wet curtain precooling device is made of wet curtain, feed pipe and wet curtain fixed frame.

5. according to claim 2,3 or 4 described air-conditioning units, it is characterized in that: wet curtain is to adopt the corrugated fiber quires compound of speciality polymer material through specially treated.

6. according to claim 2,3 or 4 described air-conditioning units, it is characterized in that: wet curtain is the tabular object that is made of loose porous water wetted material.

7. air-conditioning unit according to claim 1 is characterized in that: the air-cooled heat-pump air-conditioner group is the off-premises station of split-type air conditioner.

8. air-conditioning unit according to claim 1 is characterized in that: the air-cooled heat-pump air-conditioner group is the steam compression type air-cooled heat pump water chiller-heater units.

9. air-conditioning unit according to claim 1 is characterized in that: the air-cooled heat-pump air-conditioner group is the air-cooled condensation unit of steam compression type.