JP2003139424A - Air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To operate a compressor 21 and an expander 22 of an air conditioner 10 in a place unsupplied with electricity, and meet the social demand under energy diversification that the air conditioner 10 be operated on natural gas, LNG, kerosene, heavy oil and the like as a direct energy source. SOLUTION: The air conditioner 10 comprises an air cycle part 11 having the centrifugal compressor 21 for compressing air and the centrifugal expander 22 for expanding air, and a humidifying/dehumidifying mechanism 60 for humidifying and dehumidifying air. A centrifugal compression impeller of the centrifugal compressor 21 and a centrifugal expansion impeller of the centrifugal expander 22 are interconnected by the same rotary shaft 36. The rotary shaft 36 is rotatively driven by a gas turbine 37.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an air conditioner.

[0002]

2. Description of the Related Art In recent years, as interest in the global environment has increased, harmful effects of artificial synthetic refrigerants such as CFC refrigerants have been regarded as a problem, and an air cycle is used to perform air conditioning without using them. Attention is paid to the air conditioners that operate.

For example, Japanese Unexamined Patent Application Publication No. 11-106536 discloses an air conditioner that combines an air cycle and a dehumidifying / humidifying mechanism to improve comfort and COP.

Specifically, in the above air conditioner, the first system, which is an air cycle section, in which the expander, the first passage of the heat exchanger, and the compressor are sequentially connected, and both ends of the second passage of the heat exchanger. And a second system having a duct connected thereto. The first system takes in indoor air, heat-exchanges it, and then discharges it outdoors. The second system takes in outdoor air and indoor air, heat-exchanges them, and then supplies them indoors. Further, the air passage on the inlet side of the second system serves as a moisture absorbing portion of the dehumidifying / humidifying mechanism, and the air passage on the inlet side of the first system serves as a moisture releasing portion, and the rotor member having the solid adsorbent releases the moisture absorbing portion. It is arranged so as to straddle the wet part and is configured to rotate. Then, the second air flowing through the second system is dehumidified by the moisture absorbing portion and then supplied to the second passage of the heat exchanger.

According to this air conditioner, the dehumidifying / humidifying mechanism dehumidifies the second air and the air cycle section cools the second air, thereby independently adjusting the humidity and temperature of the second air. You can Therefore, both indoor temperature and humidity can be set to proper values, and indoor comfort can be improved. Further, since the dehumidifying / humidifying mechanism is provided, it is not necessary to cool the second air to below the dew point temperature for dehumidifying. Therefore, COP can be improved by reducing the input to the motor that drives the compressor and the expander.

[0006]

However, in the conventional air conditioner, the compressor and the expander are driven by the motor using the electric power as the energy source.
Therefore, in a place where electricity is not supplied, the compressor and the expander cannot be driven, and the air conditioner cannot be operated.

With the diversification of energy, there is a demand from society to operate an air conditioner using natural gas, LNG, kerosene, heavy oil, etc. as a direct energy source. However, as described above, since the motor of the conventional air conditioner is driven by electric power, it is not possible to meet the above request.

The present invention has been made in view of the above points, and an object of the present invention is to make it possible to operate a compressor and an expander of an air conditioner even in a place where electricity is not supplied. , Also natural gas, LNG,
The purpose is to operate the air conditioner using kerosene, heavy oil, etc. as a direct energy source.

[0009]

The first air conditioner comprises:
An air cycle unit having a compression unit for compressing air and an expansion unit for expanding the air, and a dehumidifying / humidifying unit for humidifying or dehumidifying the air are provided, and heating by the compressed air compressed by the compression unit is performed by the expansion unit. An air conditioner for performing air conditioning by cooling with expanded air that has been expanded, or by humidifying or dehumidifying by the dehumidifying / humidifying means, comprising a heat engine and a rotary shaft rotatably driven by the heat engine. Is a compressor having a compression impeller attached to the rotary shaft, and the expansion means is an expander having an expansion impeller attached to the rotary shaft.

Accordingly, the compression impeller of the compressor and the expansion impeller of the expander are mounted on the same rotary shaft and driven by the heat engine, so that no electric power is required to operate the compressor and the expander. . Therefore, it is possible to operate the compressor and the expander in a place where electricity is not supplied. Also, natural gas, LNG,
The air conditioner can be operated using kerosene, heavy oil, or the like as a direct energy source.

The second air conditioner further comprises a dehumidification passage through which the dehumidification target air flows and a dehumidification passage through which the dehumidification target air flows, and the dehumidification / humidification means allows the air to pass therethrough. Consisting of a solid adsorbent that absorbs or desorbs moisture when contacted,
A rotor member disposed over the dehumidifying passage and the moisture releasing passage; and a drive mechanism for rotating the rotor member such that the dehumidifying passage side portion and the moisture releasing passage side portion of the rotor member are switched. It is equipped.

As a result, the structure of the dehumidifying / humidifying means can be embodied by using the solid adsorbent.

In the third air conditioner, the air to be dehumidified flowing through the dehumidifying passage is compressed air whose temperature has risen due to being compressed by the compressor, or heated air heated by the compressed air. It is a thing.

As a result, the heat of the compressed air or the heated air can be used to make the air to be dehumidified hot.
The regeneration efficiency of the rotor member is improved.

The fourth air conditioner further heats the air before being compressed by the compressor, the compressed air compressed by the compressor, the air before being heated by the compressed air, or the heated air. It is equipped with heating means.

As a result, the air to be dehumidified becomes higher temperature air, and the regeneration efficiency of the rotor member is further improved.

The fifth air conditioner further includes heating means,
It is configured to perform heating using exhaust heat of the heat engine.

As a result, the exhaust heat discharged from the heat engine which generates heat can be effectively utilized, and the energy efficiency can be improved.

[0019]

According to the first air conditioner, since the compression impeller of the compressor and the expansion impeller of the expander are mounted on the same rotary shaft and are driven to rotate by the heat engine, electricity is supplied. It is possible to operate the compressor and expander in areas where there is no natural gas,
The air conditioner can be operated using LNG, kerosene, heavy oil, etc. as a direct energy source.

According to the second air conditioner, the dehumidifying / humidifying means can be embodied by using the solid adsorbent.

According to the third air conditioner, since the air to be dehumidified is composed of compressed air or heated air, the heat of the compressed air or heated air is used to turn the dehumidified air into high temperature air. Therefore, the regeneration efficiency of the rotor member is improved.

According to the fourth air conditioner, the air before being compressed by the compressor, the compressed air compressed by the compressor,
Since the air before being heated by the compressed air or the heating means for heating the heated air is provided, the air to be dehumidified becomes higher temperature air, and the regeneration efficiency of the rotor member is further improved.

According to the fifth air conditioner, since the heating means is configured to perform heating by using the exhaust heat of the heat engine, the exhaust heat exhausted from the heat engine accompanied with heat generation is effectively used. Therefore, the energy efficiency can be improved.

[0024]

BEST MODE FOR CARRYING OUT THE INVENTION (First Embodiment) As shown in FIG. 1, an air conditioner (10) of the present embodiment is configured to cool indoor air for cooling. The air conditioner (10) includes an air cycle unit (11) and a dehumidifying / humidifying mechanism (60) which is a dehumidifying / humidifying means.

The air cycle section (11) includes an internal heat exchanger (15), a centrifugal expander (22) as an expander, an indoor heat exchanger (30), and a centrifugal compressor (21 as a compressor. )When,
The heat recovery heat exchanger (25) and the heat recovery heat exchanger (25) are sequentially connected in a duct, and are configured to perform an air cycle operation involving expansion, compression, heating and cooling of air. In addition, below, the air which performs an air cycle operation is called heat absorption air. The air cycle section (11) includes an inlet duct (23) connected to the inlet side of the centrifugal expander (22) and an outlet duct (24) connected to the outlet side of the centrifugal compressor (21). ing. One end of the inlet duct (23) opens to the outside of the room to take in outdoor air as heat absorbing air, and the heat absorbing air taken in is centrifugally expanded (2
2) Supply to. One end of the outlet duct (24) opens to the outside of the room, and the heat absorbing air from the centrifugal compressor (21) is discharged to the outside of the room.

The internal heat exchanger (15) has a first passage (16).
And the second passage (17) are defined. The first passage (16) is connected between the inlet side of the inlet duct (23) and the centrifugal expander (22). This first passage (16)
The dehumidifying / humidifying mechanism (60) dehumidifies the centrifugal expander (22).
The endothermic air supplied to the flows. The second passage (17) is connected between the indoor heat exchanger (30) and the centrifugal compressor (21) in the air cycle section (11). In the second passage (17), the heat-absorbed air in a depressurized state that has exchanged heat with the room air in the room heat exchanger (30) flows. The internal heat exchanger (15) is configured to exchange heat between the heat absorbing air in the first passage (16) and the heat absorbing air in the second passage (17).

The centrifugal compressor (21) has a centrifugal compression impeller (not shown) as a compression impeller, and the centrifugal expander (22) has a centrifugal expansion impeller (not shown) as an expansion impeller. Have. The centrifugal compression impeller and the centrifugal expansion impeller are connected to each other by the same rotating shaft (36). This rotation axis (3
A gas turbine (37) as a heat engine is connected to 6). The gas turbine (37) includes a compressor, a combustor, and a turbine (not shown). Gas turbine (37)
Is a high-temperature, high-pressure gas generated by putting air compressed by a compressor and fuel such as natural gas in a combustor and burning it, and converting the thermal energy of the gas into work in a turbine to output it. I will get it. The centrifugal compressor impeller and the centrifugal expansion impeller are rotationally driven by this gas turbine (37).

The indoor heat exchanger (30) includes a heat absorption side passage (3
2) and the heat dissipation side passageway (31) are partitioned. One end of the heat absorption side passageway (32) is duct-connected to the centrifugal expander (22) and the other end thereof is connected to the second passageway (17) of the internal heat exchanger (15), and heat absorption air flows inside. The indoor heat exchanger (30) is configured to exchange heat between the heat absorbing air in the heat absorbing side passageway (32) and the room air flowing in the heat radiating side passageway (31) to cool the room air.

Further, a water introduction section (42) for spraying water is provided in the heat absorption side passageway (32) of the indoor heat exchanger (30). A water pipe (50) is connected to the water introducing part (42), and drain water generated by cooling the indoor air is supplied to the inside of the water pipe (50). In addition to drain water, other water such as tap water may be supplied to the water introducing section (42).

As described above, the water introducing section (42) supplies drain water or the like to the heat absorbing air in the heat absorbing side passageway (32). Then, in the heat absorption side passageway (32), the heat absorption air absorbs heat from the room air, and the drain water and the like supplied to the heat absorption air also absorbs the heat from the room air and evaporates. That is, the water introduction part (42)
Constitutes a water supply means for supplying drain water or the like to the heat absorbing air in the heat absorbing side passageway (32) in order to utilize the latent heat of vaporization for cooling the room air.

One flow path of the heat recovery heat exchanger (25) as a heating means is provided between the centrifugal compressor (21) and the outlet side of the outlet duct (24). Heat recovery heat exchanger (25)
A cooling water pipe (26) is connected to the other flow path of the. Both ends of the cooling water pipe (26) are connected to a gas turbine (37) which is an exhaust heat source, and cooling water for cooling the gas turbine (37) flows through the cooling water pipe (26). The heat recovery heat exchanger (25) exchanges heat between the endothermic air in the outlet duct (24) and the cooling water in the cooling water pipe (26), and absorbs the exhaust heat from the gas turbine (37) into the endothermic air. Is configured to supply. And a heat recovery heat exchanger (2
The endothermic air (5) heated by
The exhaust heat from the gas turbine (37) flowing through the moisture releasing section (63) of (0) is used to regenerate the solid adsorbent of the rotor member (61).

The dehumidifying / humidifying mechanism (60) is provided in the middle of the inlet duct (23) and the outlet duct (24). A part of the inlet duct (23) forms a moisture absorption section (62) through which air taken in from outside circulates. A part of the outlet duct (24) forms a moisture releasing part (63) through which the air flowing out from the heat recovery heat exchanger (25) flows. This dehumidifying and humidifying mechanism (60)
Is a moisture absorbing part (62) and a moisture releasing part (63), and a rotor member (6 arranged across the moisture absorbing part (62) and the moisture releasing part (63).
1) and are provided.

The rotor member (61) is disk-shaped and is formed to allow air to pass through in the thickness direction. The rotor member (61) is made of a solid adsorbent that adsorbs water,
Moisture absorption or desorption is performed by contact between the passing air and the solid adsorbent. Further, the rotor member (61) can be rotated, and an arbitrary portion of the rotor member (61) is rotated so as to move between the moisture absorbing portion (62) and the moisture releasing portion (63). The solid adsorbent of the rotor member (61) is composed mainly of a porous inorganic compound. The above inorganic compound,
For example, one having a pore size of about 0.1 to 20 nm and adsorbing water is selected.

In the moisture absorbing portion (62), the heat absorbing air in the inlet duct (23) passes through the rotor member (61), and the moisture in the heat absorbing air is adsorbed by the solid adsorbent of the rotor member (61).
As a result, the endothermic air is dehumidified.

In the moisture releasing section (63), the heat absorbing air in the outlet duct (24) passes through the rotor member (61) and the rotor member (6).
The water adsorbed on the solid adsorbent of 1) is desorbed and released into the endothermic air. This regenerates the solid adsorbent.

As described above, the rotor member (61) moves between the moisture absorbing portion (62) and the moisture releasing portion (63). Then, the portion of the rotor member (61) that has absorbed moisture from the heat absorbing air in the moisture absorbing portion (62) moves to the moisture releasing portion (63) as the rotor member (61) rotates. In the moisture releasing section (63), water is desorbed from the solid adsorbent of the rotor member (61) to regenerate the rotor member (61). That is, the rotor member (61) releases moisture to the heat absorbing air. After that, the regenerated part of the rotor member (61) is
It moves to the moisture absorption section (62) again. By repeating the above operation, the dehumidifying / humidifying mechanism (60) continuously dehumidifies the endothermic air.

Next, the operation of the air conditioner (10) of this embodiment will be described.

In the air cycle section (11), outdoor air is taken in as heat absorbing air from the inlet duct (23). The heat absorbing air is dehumidified by contacting the rotor member (61) in the moisture absorbing portion (62) of the dehumidifying / humidifying mechanism (60). Next, the heat absorbing air flows into the first passage (16) of the internal heat exchanger (15) through the inlet duct (23). In the internal heat exchanger (15), the heat absorbing air in the first passage (16) and the heat absorbing air in the second passage (17) exchange heat. The endothermic air is cooled while flowing through the first passage (16).

Next, the endothermic air is supplied to the centrifugal expander (22) through the inlet duct (23). Centrifugal expander (22)
Then, the endothermic air expands, and the temperature and the pressure decrease with the absolute humidity being constant. The heat absorbing air flows into the heat absorbing side passageway (32) of the indoor heat exchanger (30) and exchanges heat with the room air while flowing through the heat absorbing side passageway (32). Then, the endothermic air absorbs heat from the indoor air and the temperature rises, while the indoor air is cooled. Further, drain water or the like is supplied to the water introduction portion (42) of the heat absorption side passageway (32), and the room air is further cooled by latent heat of vaporization of the drain water or the like. The room is cooled by cooling the room air. Next, the endothermic air
It flows into the second passage (17) of the internal heat exchanger (15). As described above, in the internal heat exchanger (15), the heat absorbing air in the first passage (16) and the heat absorbing air in the second passage (17) exchange heat.
Then, the endothermic air is heated while flowing through the second passage (17). This endothermic air is supplied to the centrifugal compressor (21). In the centrifugal compressor (21), the endothermic air is compressed, and the temperature and pressure rise at a constant absolute humidity.

The endothermic air discharged from the centrifugal compressor (21) flows into the heat recovery heat exchanger (25) through the outlet duct (24). In the heat recovery heat exchanger (25), the exhaust heat from the gas turbine (37) is supplied to the endothermic air. Next, this endothermic air flows into the moisture releasing section (63) of the dehumidifying / humidifying mechanism (60). In the moisture releasing part (63), the heat absorbing air and the rotor member (61) come into contact with each other, and the rotor member (61) releases moisture to the heat absorbing air. Then, the endothermic air is discharged to the outside of the room through the outlet duct (24).

In the dehumidifying / humidifying mechanism (60), the rotor member (61)
Is driven to rotate. Then, the rotor member (61) moves between the moisture absorbing portion (62) and the moisture releasing portion (63), and the moisture absorbing portion (6
Repeat the moisture absorption in 2) and the moisture release in the moisture release section (63). As a result, the heat-absorbed air is continuously dehumidified.

In this embodiment, the centrifugal compression impeller of the centrifugal compressor (21) and the centrifugal expansion impeller of the centrifugal expander (22) are
Since it is driven by the gas turbine (37) that uses natural gas or the like as fuel, it does not require electric power. Therefore, the centrifugal compressor (21) and the centrifugal expander (22) can be operated in a place where electricity is not supplied.

Further, since the centrifugal expansion impeller of the centrifugal compressor (21) and the centrifugal expansion impeller of the centrifugal expander (22) are connected to the same rotary shaft (36), the centrifugal expansion impeller (22) The recovered expansion work can be used as the rotational driving force of the centrifugal compressor (21), and the input to the gas turbine (37) can be reduced to improve the COP.

Further, in this embodiment, the dehumidifying / humidifying mechanism (60)
Since the endothermic air supplied to the moisture releasing section (63) of the air is heated using the exhaust heat from the gas turbine (37) via the heat recovery heat exchanger (25), the moisture releasing section (63) ), The temperature of the air flowing therethrough can be increased, and the regeneration efficiency of the rotor member (61) can be improved. Further, since the exhaust heat can be used for the regeneration of the rotor member (61) and the exhaust heat exhausted from the gas turbine (37) accompanied with heat generation can be effectively used, the energy efficiency is improved. Can be achieved.

(Embodiment 2) As shown in FIG. 2, the air conditioner (10) of the present embodiment is configured to cool indoor air to perform cooling. The configuration different from that of the first embodiment will be described below.

The air cycle section (11) includes a centrifugal compressor (2
1), an internal heat exchanger (15), a centrifugal expander (22),
The indoor heat exchanger (30) is sequentially connected by a duct. The air cycle section (11) includes an inlet duct (23) connected to the inlet side of the centrifugal compressor (21) and an outlet duct (24) connected to the outlet side of the centrifugal expander (22). ing. One end of the inlet duct (23) opens to the outside of the room and takes in outdoor air as heat absorbing air, and supplies the taken heat absorbing air to the centrifugal compressor (21). One end of the outlet duct (24) opens to the outside of the room, and the heat absorbing air from the internal heat exchanger (15) is discharged to the outside of the room.

The internal heat exchanger (15) has a first passage (16).
And the second passage (17) are defined. The first passage (16) is connected between the centrifugal compressor (21) and the centrifugal expander (22) in the air cycle section (11). The endothermic air compressed by the centrifugal compressor (21) flows through the first passage (16). The second passage (17) is connected between the indoor heat exchanger (30) and the moisture releasing portion (63) of the outlet duct (24). The endothermic air absorbed in the indoor heat exchanger (30) flows through the second passage (17).

The air conditioner (10) of this embodiment operates substantially in the same manner as in the first embodiment. The operation different from that of the first embodiment will be described below.

In the air cycle section (11), outdoor air is taken in as heat absorbing air from the inlet duct (23). The heat absorbing air is dehumidified by contacting the rotor member (61) in the moisture absorbing portion (62) of the dehumidifying / humidifying mechanism (60). Next, the endothermic air is supplied to the centrifugal compressor (21) through the inlet duct (23). In the centrifugal compressor (21), the endothermic air is compressed, and the temperature and pressure rise at a constant absolute humidity.

Next, the endothermic air flows into the first passage (16) of the internal heat exchanger (15). Next, the endothermic air is supplied to the centrifugal expander (22). In the centrifugal expander (22), the endothermic air expands, and the temperature and the pressure drop at a constant absolute humidity.

Next, the heat absorbing air flows into the heat absorbing side passageway (32) of the indoor heat exchanger (30) and exchanges heat with the room air while flowing through the heat absorbing side passageway (32). Next, the endothermic air passes through the outlet duct (24) and flows into the second passage (17) of the internal heat exchanger (15). Next, the heat-absorbed air is transferred to the dehumidifying / humidifying mechanism (6
It flows into the moisture release part (63) of (0). Then the endothermic air
It is discharged to the outside through the outlet duct (24) again.

Therefore, also in this embodiment, the same effect as that of the first embodiment can be obtained.

(Embodiment 3) The air conditioner (10) of this embodiment has an air cycle portion (11) as shown in FIG.
And a dehumidifying / humidifying mechanism (60) that is a dehumidifying / humidifying means, and is configured to perform cooling. The air cycle section (11) is composed of a first system (20) and a second system (40). The configuration different from that of the first embodiment will be described below.

The first system (20) includes a centrifugal expander (22),
The indoor heat exchanger (30) and the centrifugal compressor (21) are connected in a duct in order, and are configured to perform an air cycle operation involving expansion, compression, heating, and cooling of air. The first system (20) includes a first inlet duct (27) connected to the inlet side of the centrifugal expander (22) and a first outlet duct (28) connected to the outlet side of the centrifugal compressor (21). ) And.
One end of the first inlet duct (27) is opened to the inside of the room to take in the indoor air as the first air and supply the taken-in first air to the centrifugal expander (22). The first outlet duct (28)
One end opens to the outside of the room and discharges the first air from the centrifugal compressor (21) to the outside of the room.

The second system (40) is constituted by connecting the second inlet duct (43) to the inlet side of the indoor heat exchanger (30) and connecting the second outlet duct (44) to the outlet side thereof. . The second inlet duct (43) is branched at one end into an outdoor branch duct (45) and an indoor branch duct (46). The outdoor branch duct (45) is open to the outside, and the indoor branch duct (46) is open to the room. And the second inlet duct (43)
Takes in the outdoor air from the outdoor branch duct (45) and the indoor air from the indoor branch duct (46) as the second air. One end of the second outlet duct (44) is opened to the inside of the room and guides the low temperature second air from the humidification cooler (90) described later into the room.

A humidification cooler (90) is provided in the middle of the second outlet duct (44), that is, on the downstream side of the indoor heat exchanger (30) in the second system (40). The humidification cooler (90) is constituted by a so-called water spray type humidification cooler. This humidification cooler (90) has a water pipe (50)
Are connected, and tap water or the like is supplied to the inside.

As described above, the water introducing section (51) supplies tap water or the like to the second air in the second outlet duct (44).
The tap water supplied to the second air also absorbs heat from the second air and evaporates. That is, the water introduction part (51) constitutes a water supply means for supplying tap water or the like to the second air of the second outlet duct (44) in order to utilize the latent heat of vaporization for cooling the second air. There is.

The indoor heat exchanger (30) includes a heat dissipation side passage (3
1) and the heat absorption side passageway (32) are sectioned. One end of the heat absorption side passageway (32) is duct-connected to the centrifugal expander (22) and the other end thereof is connected to the centrifugal compressor (21), and the inside is the first passage.
The air flows. A second inlet duct (43) is connected to one end and a second outlet duct (44) is connected to the other end of the heat radiation side passageway (31), and the second air flows inside. The indoor heat exchanger (30) is configured to exchange heat between the first air in the heat absorption side passageway (32) and the second air in the heat radiation side passageway (31) to cool the second air. There is.

The dehumidifying / humidifying mechanism (60) includes a first outlet duct (2
8) and the second inlet duct (43). The moisture absorbing section (62) is provided in the middle of the second inlet duct (43). In the moisture absorption section (62), the second inlet duct (4
The second air in 3) passes through the rotor member (61), and the water in the second air is adsorbed by the solid adsorbent of the rotor member (61). As a result, the second air is dehumidified. Moisture release part (6
3) is provided in the middle of the first outlet duct (28). In the moisture releasing part (63), the first outlet duct (28)
The air passes through the rotor member (61), moisture adsorbed by the solid adsorbent of the rotor member (61) is desorbed and released into the first air. This regenerates the solid adsorbent.

The air conditioner (10) of this embodiment operates substantially in the same manner as in the first embodiment. Hereinafter, the first embodiment
The operation different from that will be described.

In the first system (20), the first inlet duct (2
Room air is taken in as the first air from 7). The first air is supplied to the centrifugal expander (22) and expanded, and the temperature and pressure are reduced. The first air having a low temperature enters the indoor heat exchanger (30) and flows through the heat absorption side passageway (32), while exchanging heat with the second air and absorbing heat from the second air. Next, the first air is supplied to the centrifugal compressor (21), is compressed, and the temperature and pressure rise. The compressed first air flows in the first outlet duct (28), and the dehumidifying / humidifying mechanism (60).
The moisture is discharged to the outside after being contacted with the rotor member (61) by the moisture releasing section (63) to release the moisture.

In the second system (40), the outdoor branch duct (4
Outdoor air is taken in from 5) and indoor branch duct (46)
Room air is taken in from. The outdoor air and the indoor air join together in the second inlet duct (43), and this mixed air becomes the second air.
It is taken into the second system (40) as air. The second air flows to the moisture absorbing portion (62) of the dehumidifying / humidifying mechanism (60), comes into contact with the rotor member (61), and is dehumidified. The dehumidified second air flows into the indoor heat exchanger (30) and flows through the heat radiation side passageway (31), during which heat is exchanged with the first air to be cooled. The cooled second air is sprayed with tap water or the like in the humidification cooler (90), and the second air is further cooled by latent heat of vaporization of the tap water or the like. Then, the second air is supplied to the room through the second outlet duct (44).

Therefore, also in this embodiment, the same effect as that of the first embodiment can be obtained.

(Embodiment 4) The air conditioner (10) of the present embodiment has an air cycle portion (11) as shown in FIG.
And a dehumidifying / humidifying mechanism (60) that is a dehumidifying / humidifying means, and is configured to perform cooling. The air cycle section (11) is composed of a first system (20) and a second system (40). The air conditioner (10) of the present embodiment has substantially the same configuration as the air conditioner of the third embodiment. The configuration different from that of the third embodiment will be described below.

The first system (20) includes a centrifugal compressor (21),
The indoor heat exchanger (30) and the centrifugal expander (22) are connected in a duct in order, and are configured to perform an air cycle operation involving expansion, compression, heating and cooling of air. The first system (20) includes a first inlet duct (27) connected to the inlet side of the centrifugal compressor (21) and a first outlet duct (28) connected to the outlet side of the centrifugal expander (22). ) And.
The first inlet duct (27) has an outdoor branch duct (4
5) and the indoor branch duct (46). The outdoor branch duct (45) is open to the outside, and the indoor branch duct (46) is open to the room. Then, the first inlet duct (27) takes in the outdoor air from the outdoor branch duct (45) and the indoor air from the indoor branch duct (46) as the first air. One end of the first outlet duct (28) opens into the room and guides the low temperature first air from the centrifugal expander (22) into the room.

The second system (40) is constructed by connecting the second inlet duct (43) to the inlet side of the indoor heat exchanger (30) and connecting the second outlet duct (44) to the outlet side thereof. . One end of the second inlet duct (43) is open to the inside of the room to take in the indoor air as the second air. One end of the second outlet duct (44) opens to the outside of the room, and the high temperature second air from the indoor heat exchanger (30) is discharged to the outside of the room.

The indoor heat exchanger (30) has a heat dissipation side passage (3
1) and the heat absorption side passageway (32) are sectioned. The heat radiation side passageway (31) is duct-connected at one end to the centrifugal compressor (21) and at the other end to the centrifugal expander (22), and has a first inside.
The air flows. A second inlet duct (43) is connected to one end and a second outlet duct (44) is connected to the other end of the heat absorption side passageway (32), and the second air flows inside.

A humidification cooler (90) is provided in the middle of the second inlet duct (43) of the second system (40).

A heat recovery heat exchanger (25) as a heating means is provided in the middle of the second outlet duct (44) in the second system (40).

The air conditioner (10) of this embodiment operates substantially in the same manner as in the third embodiment. Hereinafter, the third embodiment
The operation different from that will be described.

In the first system (20), the outdoor branch duct (4
Outdoor air is taken in from 5) and indoor branch duct (46)
Room air is taken in from. The outdoor air and the indoor air join together in the first inlet duct (27), and this mixed air becomes the first
It is taken as air from the first inlet duct (27). The first air flows to the moisture absorbing portion (62) of the dehumidifying / humidifying mechanism (60) and comes into contact with the rotor member (61) to be dehumidified. The dehumidified first air is supplied to the centrifugal compressor (21) and compressed, and the temperature and pressure rise. The first air, which has reached a high temperature, enters the indoor heat exchanger (30) and flows through the heat radiation side passageway (31), during which heat is exchanged with the second air to be cooled. Next, the first air is supplied to the centrifugal expander (22) to be expanded and its temperature and pressure are reduced. The expanded first air flows through the first outlet duct (28) and is supplied into the chamber.

In the second system (40), room air is taken in as second air. This second air is supplied to the humidification cooler (9
In 0), tap water is sprayed, and the tap water is the second
It is cooled by evaporation in air. The cooled second air enters the indoor heat exchanger (30) and enters the heat absorption side passage (3
Flow through 2), during which heat is exchanged with the first air to absorb heat. The absorbed second air flows into the heat recovery heat exchanger (25) through the second outlet duct (44). In the heat recovery heat exchanger (25), the exhaust heat from the gas turbine (37) is supplied to the second air. The second air comes into contact with the rotor member (61) in the moisture releasing section (63) of the dehumidifying / humidifying mechanism (60) to release the moisture,
It is discharged to the outside through the second outlet duct (44).

Therefore, also in this embodiment, the same effect as that of the first embodiment can be obtained.

(Embodiment 5) The air conditioner (10) of the present embodiment has an air cycle portion (11) as shown in FIG.
And a dehumidifying / humidifying mechanism (60) that is a dehumidifying / humidifying means, and is configured to perform heating. The air cycle section (11) is composed of a first system (20) and a second system (40). The configuration different from that of the third embodiment will be described below.

The first system (20) includes a centrifugal expander (22),
An indoor heat exchanger (30), a centrifugal compressor (21), and a heat recovery heat exchanger (25) are sequentially connected in a duct to perform air cycle operation involving expansion, compression, heating, and cooling of air. Is configured. This first system (20) has a first inlet duct (27) connected to the inlet side of the centrifugal expander (22).
And a first outlet duct (28) connected to the outlet side of the centrifugal compressor (21). The first inlet duct (27) is
One end opens to the outside of the room to take in outdoor air as first air, and the taken in first air is supplied to the centrifugal expander (22). One end of the first outlet duct (28) opens into the room and discharges the first air from the centrifugal compressor (21) into the room.

A heat recovery heat exchanger (25) as a heating means is provided in the middle of the first outlet duct (28) in the first system (20).

The second system (40) is constituted by connecting the second inlet duct (43) to the inlet side of the indoor heat exchanger (30) and connecting the second outlet duct (44) to the outlet side thereof. . The second inlet duct (43) takes in indoor air as second air. One end of the second outlet duct (44) opens to the outside of the room and guides the low temperature second air from the indoor heat exchanger (30) to the outside of the room.

The air conditioner (10) of this embodiment operates substantially in the same manner as in the third embodiment. Hereinafter, the third embodiment
The operation different from that will be described.

In the first system (20), the first inlet duct (2
The outdoor air is taken in as the first air from 7). The first air is supplied to the centrifugal expander (22) and expanded, and the temperature and pressure are reduced. The first air having a low temperature enters the indoor heat exchanger (30) and flows through the heat absorption side passageway (32), during which heat is exchanged with the second air to rise in temperature. Next, the first air is supplied to the centrifugal compressor (21), is compressed, and the temperature and pressure rise. The compressed first air flows in the first outlet duct (28) and enters the heat recovery heat exchanger (25).
In the heat recovery heat exchanger (25), the first air and the cooling water from the gas turbine (37) exchange heat, and the first air is further heated. The heated first air is a dehumidifying / humidifying mechanism (60)
The moisture is contacted with the rotor member (61) in the moisture releasing section (63) to release moisture and then supplied to the room.

In the second system (40), room air is taken in as second air from the second inlet duct (43). The second air flows to the moisture absorbing portion (62) of the dehumidifying / humidifying mechanism (60), comes into contact with the rotor member (61), and is dehumidified. Dehumidified second
Air enters the indoor heat exchanger (30) and enters the heat dissipation side passage (31).
Through which heat is exchanged with the first air to be cooled. The cooled second air is discharged to the outside of the room through the second outlet duct (44).

Therefore, also in this embodiment, the same effect as that of the first embodiment can be obtained.

(Embodiment 6) The air conditioner (10) of this embodiment, as shown in FIG. 6, has an air cycle section (11) as a heat radiating means and a dehumidifying / humidifying mechanism (60) as a dehumidifying / humidifying means. And is configured to perform heating. The air cycle section (11) includes a first system (20) and a second system (4).
0) and. The air conditioner (10) of the present embodiment has substantially the same configuration as the air conditioner of the fourth embodiment. The configuration different from that of the fourth embodiment will be described below.

The first system (20) includes a centrifugal compressor (21),
The indoor heat exchanger (30) and the centrifugal expander (22) are sequentially connected by a duct, and the first air flows to perform an air cycle operation. The first system (20) includes a first inlet duct (27) connected to the inlet side of the centrifugal compressor (21) and a first inlet duct (27) connected to the outlet side of the centrifugal expander (22).
An outlet duct (28) is provided. First entrance duct (2
7) is open to the room. The first outlet duct (28)
One end opens to the outside of the room and guides the low temperature first air from the centrifugal expander (22) to the outside of the room.

The second system (40) is constituted by connecting the second inlet duct (43) to the inlet side of the indoor heat exchanger (30) and connecting the second outlet duct (44) to the outlet side thereof. . One end of the second inlet duct (43) is opened to the outside of the room to take in outdoor air as second air. One end of the second outlet duct (44) is open to the inside of the room, and the high temperature second air from the indoor heat exchanger (30) is discharged into the room.

The indoor heat exchanger (30) includes a heat dissipation side passage (3
1) and the heat absorption side passageway (32) are sectioned. The heat radiation side passageway (31) is duct-connected to the centrifugal expander (22) at one end and to the centrifugal compressor (21) at the other end, and has a first interior.
The air flows. A second inlet duct (43) is connected to one end and a second outlet duct (44) is connected to the other end of the heat absorption side passageway (32), and the second air flows inside. The indoor heat exchanger (30) is configured to exchange heat between the first air in the heat radiation side passage (31) and the second air in the heat absorption side passage (32). That is, in the indoor heat exchanger (30), the first air radiates heat to the second air.

A heat recovery heat exchanger (25) as a heating means is provided in the middle of the second outlet duct (44) of the second system (40).

The air conditioner (10) of this embodiment operates substantially in the same manner as in the fourth embodiment. Hereinafter, Embodiment 4
The operation different from that will be described.

In the first system (20), the first inlet duct (2
Room air is taken in as the first air from 7). The first air is supplied to the centrifugal compressor (21) after being contacted with the rotor member (61) and dehumidified by the moisture absorption section (62) of the dehumidification / humidification mechanism (60). The first air is compressed in the centrifugal compressor (21), and the temperature and pressure of the first air rise. The compressed first air flows into the indoor heat exchanger (30) and flows through the heat radiation side passageway (31), during which it is heat-exchanged with the second air to be cooled. The cooled first air expands in the centrifugal expander (22), and the temperature and pressure of the first air decrease. Then, the low temperature first air is discharged to the outside of the room through the first outlet duct (28).

In the second system (40), the second inlet duct (4
The outdoor air is taken in as the second air from 3). This second air flows into the indoor heat exchanger (30) and flows through the heat absorption side passageway (32), during which heat is exchanged with the first air to rise in temperature. After that, the second air passes through the second outlet duct (44).
To enter the heat recovery heat exchanger (25). In the heat recovery heat exchanger (25), the second air and the cooling water from the gas turbine (37) exchange heat, and the second air is further heated. The second air discharged from the heat recovery heat exchanger (25) passes through the second outlet duct (44) again and then enters the moisture releasing section (63) of the dehumidifying / humidifying mechanism (60). In the moisture releasing part (63), the second air comes into contact with the rotor member (61), and the solid adsorbent of the rotor member (61) is heated by the second air. Then, moisture is desorbed from the heated solid adsorbent, and moisture is released from the rotor member (61) to the second air. The second air that has received the water content of the rotor member (61) is again supplied to the room through the second outlet duct (44).

Therefore, also in this embodiment, the same effect as that of the first embodiment can be obtained.

In each of the above embodiments, the centrifugal compressor (21) is used as the compressor and the centrifugal expander (22) is used as the expander. However, the compression impeller and the expansion mounted on the same rotary shaft are used. The compressor and the expander having the impeller may be other compressors and expanders such as an axial flow compressor and an axial flow expander.

In each of the above embodiments, the gas turbine (37) is used as the heat engine, but another heat engine such as an engine may be used.

Further, in each of the above embodiments, the exhaust heat from the gas turbine (37) is transferred through the cooling water to the heat recovery heat exchanger (2
Although it is introduced into the heat recovery heat exchanger (25), it is not always necessary to intervene the cooling water. For example, the exhaust gas of the gas turbine (37) may be introduced into the heat recovery heat exchanger (25).

In each of the above embodiments, the dehumidifying / humidifying mechanism (60) is configured by using the solid adsorbent, but instead of this, the dehumidifying / humidifying mechanism (60) is configured by using the liquid absorbent. You may do it.

In each of the above embodiments, the air conditioner (10) has other accessory devices such as a fan and a pump (not shown), but in addition to the gas turbine (37), a generator or a generator. And if a separate storage device is provided,
They also do not require an external power supply, even for auxiliary equipment.
As a result, the air conditioner (10) can be operated in a place where electricity is not supplied.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing a configuration of an air conditioning apparatus according to a first embodiment.

FIG. 2 is a schematic configuration diagram showing a configuration of an air conditioner according to a second embodiment.

FIG. 3 is a schematic configuration diagram showing a configuration of an air conditioner according to a third embodiment.

FIG. 4 is a schematic configuration diagram showing a configuration of an air conditioner according to a fourth embodiment.

FIG. 5 is a schematic configuration diagram showing a configuration of an air conditioner according to a fifth embodiment.

FIG. 6 is a schematic configuration diagram showing a configuration of an air conditioner according to a sixth embodiment.

[Explanation of symbols]

(11) Air cycle section (21) Centrifugal compressor (compressor) (22) Centrifugal expander (expander) (25) Heat recovery heat exchanger (heating means) (30) Indoor heat exchanger (36) Rotation axis (37) Gas turbine (heat engine) (60) Dehumidifying / humidifying mechanism (dehumidifying / humidifying means) (62) Moisture absorption part (63) Moisture release section (90) Humidification cooler

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Manami Yoshimi             1304 Kanaoka-cho, Sakai City, Osaka Prefecture Daikin Industries             Sakai Plant Kanaoka Factory (72) Inventor Odai Idai             1304 Kanaoka-cho, Sakai City, Osaka Prefecture Daikin Industries             Sakai Plant Kanaoka Factory (72) Inventor Park Harunari             1304 Kanaoka-cho, Sakai City, Osaka Prefecture Daikin Industries             Sakai Plant Kanaoka Factory

Claims (5)

[Claims] 1. An air cycle part (11) having a compression means for compressing air and an expansion means for expanding the air, and a dehumidifying / humidifying means (60) for humidifying or dehumidifying the air. A heat engine (37), which is an air conditioner for performing air conditioning by heating by the compressed air thus cooled, cooling by the expanded air expanded by the expanding means, or humidifying or dehumidifying by the dehumidifying / humidifying means (60), A rotating shaft (36) driven to rotate by the heat engine (37).
And the compression means is constituted by a compressor (21) having a compression impeller attached to the rotary shaft (36), and the expansion means is an expansion blade attached to the rotary shaft (36). An air conditioner constituted by an expander (22) having a car. 2. A dehumidifying passage (23) through which air to be dehumidified flows.
And a dehumidifying passage (24) through which the air to be dehumidified flows, and the dehumidifying / humidifying means (60) is made of a solid adsorbent that absorbs or desorbs moisture by allowing the air to pass therethrough and contacting the air. The rotor member (61) disposed over the dehumidification passageway (23) and the moisture release passageway (24), and the dehumidification passageway side portion and the moisture release passageway side portion of the rotor member (61) are replaced with each other. The air conditioner according to claim 1, further comprising a drive mechanism that rotates the rotor member (61). 3. The moisture release target air flowing through the moisture release passageway (24) is compressed air whose temperature is increased by being compressed by the compressor (21) or heated air heated by the compressed air. Item 2. The air conditioner according to Item 2. 4. The air before being compressed by the compressor (21), the compressed air compressed by the compressor (21), the air before being heated by the compressed air, or the heating for heating the heated air. An air conditioner according to claim 3, comprising means (25). 5. The air conditioner according to claim 4, wherein the heating means (25) is configured to perform heating by using exhaust heat of the heat engine (37).