JP2003227627A - Cogeneration system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the efficiency of a cogeneration system 11 in which a cogeneration apparatus 10 to which fuel is supplied to output power and heat, a humidity conditioner 20 and a hot water supply device 40 are combined. <P>SOLUTION: An adsorbent element 31 of the humidity conditioner 20 is provided with a humidity conditioning side passage 38 and a cooling side passage 39, whereby during the adsorption operation for adsorbing moisture in air flowing through the humidity conditioning side passage 38 to an adsorbent, a cooling fluid is let flow through the cooling side passage 39 to rub heat of adsorption generated in the humidity conditioning side passage 38. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a cogeneration system.

[0002]

2. Description of the Related Art 89, 90 of "Refrigeration and Air Conditioning Handbook New Edition, 5th Edition, 3 volumes, Air Conditioning Edition" issued by Japan Refrigeration Association
As disclosed in the page, there is known a cogeneration system that takes out both electric power and heat from supplied fuel to obtain high total thermal efficiency.

This cogeneration system is provided with a cogeneration device composed of a heat engine such as an engine or a gas turbine and a generator, and burns fuel in the heat engine to drive the generator, while The exhaust heat is used to perform heating and hot water supply. In recent years, a cogeneration system using a fuel cell has also been proposed.

Also, for example, Japanese Patent Laid-Open No. 2000-193966.
In the publication, by combining a humidity control device and a cogeneration device for dehumidifying or humidifying air using an adsorbent,
A cogeneration system has been proposed in which the adsorbent is regenerated by the heat generated by the cogeneration device.

This kind of cogeneration system is
Application to small-scale buildings such as small and medium-sized buildings and homes is under consideration.

[0006]

By the way, since the regeneration temperature of the adsorbent is high in the humidity control apparatus using the adsorbent, in the cogeneration system described in the above publication, the efficiency of heat recovery from the cogeneration apparatus is high. However, there is a problem that the efficiency of the cogeneration system becomes poor.

As a cogeneration system, a combination of a cogeneration system, a humidity control system and a hot water supply system can be considered. However, when the cogeneration system is small,
Considering the heat capacity of the water heater, the heat from the cogeneration device is mainly supplied to the water heater. Therefore, for example, when the demand for air conditioning is large and the demand for hot water supply is small, the efficiency is poor and the running cost is high. , The cogeneration system was difficult to spread.

Therefore, in a cogeneration system in which a cogeneration device, a humidity control device and a hot water supply device are combined, for example, the heat output from the cogeneration device is preferentially supplied to the humidity control device, In the operating mode of the system, a surplus heat that is not required in the above is supplied to the hot water supply device.

However, in such a case, as described above, since the efficiency of heat recovery in the humidity control device is poor,
There is a problem that the efficiency of the cogeneration system becomes poor.

The present invention has been made in view of such circumstances, and an object thereof is to improve the efficiency of a cogeneration system in which a cogeneration device, a humidity control device, and a hot water supply device are combined. It is in.

[0011]

In order to achieve the above object, the first solution provided by the present invention is a cogeneration device (1) which is supplied with fuel and outputs electric power and heat.
0), a humidity control device (20) that supplies the air to the room after dehumidifying or humidifying the air taken in by using the heat output from the cogeneration device (10), and the cogeneration device (10). For a cogeneration system equipped with a hot water supply device (40) that supplies hot water generated by the heat output by the user to the user side, the humidity control device (2
0) is supplied to the adsorption element (31) in which the humidity control side passage (38) for contacting the first and second air with the adsorbent is formed, and the humidity control side passage (38) of the adsorption element (31). And a heater (33) for heating the second air to be heated by the heat generated by the cogeneration device (10), and the first air is supplied to the humidity control passage (38) of the adsorption element (31). ) To adsorb the water in the first air to the adsorbent,
The second air heated by the heater (33) is introduced into the humidity adjusting side passageway (38) of the adsorption element (31) to perform a regeneration operation for desorbing water from the adsorbent. . Further, the adsorption element (31) is configured to have a cooling side passage (39) through which a cooling fluid that deprives the heat of adsorption generated in the humidity adjustment side passage (38) during the adsorption operation flows.

According to the first solution described above, when fuel is supplied to the cogeneration device (10), the cogeneration device (10) generates power and outputs power, and at the same time, The heat generated in is output as warm heat. Examples of the cogeneration device (10) include a device that drives a generator with an engine or a gas turbine, and a device that uses a fuel cell.

Further, the hot water supply device (40) generates hot water by the heat output from the cogeneration device (10) and supplies it to the user side.

On the other hand, the humidity controller (20) takes in the first air and the second air and adjusts the humidity of the air. The first air taken in is sent to the adsorption element (31) and comes into contact with the adsorbent. As a result, the water contained in the first air is adsorbed by the adsorbent, and the first air is dehumidified. The second air is heated in the heater (33). This heater (3
In 3), the second air is heated using the heat from the cogeneration device (10). The second air heated by the heater (33) is supplied to the adsorption element (31) and comes into contact with the adsorbent in the adsorption element (31). As a result, moisture is desorbed from the adsorbent to regenerate the adsorbent, and at the same time, the second air is humidified. Then, the humidity control apparatus (20) supplies the first air or the second air from the adsorption element (31) into the room. That is, if the dehumidified first air is supplied to the room, the room is dehumidified, and if the humidified second air is supplied to the room, the room is humidified.

The adsorption element (31) has a cooling side passageway (39). In the cooling side passageway (39), the cooling fluid flows during the adsorption operation. That is, when water vapor in the first air is adsorbed by the adsorbent, heat of adsorption is generated. When the temperature of the first air rises and the relative humidity of the first air decreases due to this heat of adsorption, the water vapor in the first air becomes difficult to be adsorbed by the adsorbent. Therefore, a cooling fluid is caused to flow through the cooling-side passage (39) of the adsorption element (31) so that the generated adsorption heat is absorbed by the cooling fluid. Then, the temperature rise of the first air is suppressed, the decrease of the relative humidity is suppressed, and the amount of water adsorbed by the adsorbent is secured.

In this way, in order to suppress the temperature rise of the first air during the adsorption operation, the regeneration temperature for regenerating the adsorption element (31) decreases during the regeneration operation of the adsorption element (31). Therefore, the cogeneration device (1
The temperature difference between the temperature of the heat generated by the (0) and the regeneration temperature of the adsorption element (31) becomes large, and the cogeneration device (1
The amount of the warm heat output by (0) in the heater (33) is increased, and the recovery efficiency is improved. Therefore, the efficiency of the cogeneration system is improved.

It should be noted that the heater (3
Since the heating amount in 3) also decreases, the cycle efficiency of the humidity control device (20) also increases.

A second solving means devised by the present invention is the same as the above first solving means, wherein the humidity control device (20) has a plurality of first and second adsorption elements (31a, 31b). , The first air is introduced into the humidity adjusting side passageway (38) of the first adsorbing element (31a) to perform an adsorbing operation, and at the same time, the humidity adjusting side passageway (38) of the second adsorbing element (31b) is introduced. The first operation of introducing the second air to perform the regeneration operation, and the first operation of introducing the first air into the humidity adjusting side passageway (38) of the second adsorption element (31b) to perform the adsorption operation, and at the same time to the first operation For introducing a second air into the humidity-control-side passage (38) of the adsorbing element (31a) of the second and performing a regenerating operation.
The operation and the operation are alternately performed.

The humidity control apparatus (20) of the second solving means is the first
The operation and the second operation are alternately performed. In the first operation, the adsorption operation is performed on the first adsorption element (31a) and the regeneration operation is performed on the second adsorption element (31b). On the other hand, in the second operation, contrary to the first operation, the adsorption operation is performed on the second adsorption element (31b) and the regeneration operation is performed on the first adsorption element (31a). At least two adsorption elements (31) may be provided, and three or more adsorption elements (31) may be provided.

As the humidity control device (20), for example, only one adsorption element (31) is provided, and the first air is introduced into the humidity adjustment side passageway (38) of this adsorption element (31). When the adsorption operation is performed, a second operation is performed in the humidity control side passageway (38) of the adsorption element (31).
The regeneration operation of introducing air may be intermittently and alternately performed.

A third solving means devised by the present invention is the substantially circular structure according to the first solving means, wherein the adsorption element (31c) is provided with the humidity adjusting side passageway (38) penetrating in the thickness direction. It is formed in a plate shape and is arranged so that one side portion across the central axis crosses the first air flow path, while the other side portion crosses the second air flow path. Then, the humidity control device (20) rotates the adsorption element (31c) around its central axis, and the humidity control side passageway (38) formed in one side portion of the adsorption element (31c).
At the same time as performing the adsorption operation by introducing the first air into
The regeneration operation is performed by introducing the second air into the humidity-control-side passage (38) formed in the other side portion of the adsorption element (31c).

In the third solving means, the adsorption element (31
c) is formed in a substantially disc shape, and the adsorption element (31
In c), a humidity adjusting side passageway (38) is formed so as to penetrate in the thickness direction. The adsorption element (31c) is arranged such that one side portion across the central axis crosses the first air flow path, while the other side portion crosses the second air flow path. It is driven to rotate around. In the adsorption element (31c), the first air flows through the humidity-control-side passage (38) in the one side portion that crosses the flow path of the first air, and the adsorption operation is performed. In addition, in the other side portion that crosses the flow path of the second air,
The second air flows through the humidity-control-side passage (38) to perform the regeneration operation. Then, by rotating the adsorption element (31c), the portion of the adsorption element (31c) that crosses the first air flow path and the portion that crosses the second air flow path are switched. In this way, the adsorption operation and the regeneration operation are repeated in each portion in the circumferential direction of the adsorption element (31c).

A fourth solving means taken by the present invention is, in the first solving means, a heat storage means (4) for storing the hot heat output from the cogeneration device (10) in the hot water supply device (40).
1), and is configured to generate hot water by utilizing the heat stored in the heat storage means (41).

According to the fourth solving means, the water heater (40)
Has a heat storage means (41), and the heat generated by the cogeneration device (10) is stored in the heat storage means (41). And the water heater (40) has this heat storage means (41).
Hot water is generated by using the warm heat stored in. In this way, by storing the warm heat output from the cogeneration device (10), it is possible to temporally deviate the output of electric power and heat from the cogeneration device (10) from the use of warm heat in the hot water supply device (40). Become. Therefore, the load of the cogeneration device (10) can be leveled and the capacity of the cogeneration device (10) can be reduced. Further, the utilization efficiency of the heat generated by the cogeneration device (10) is improved, and the efficiency of the cogeneration system is further improved.

According to a fifth solving means of the present invention, in the fourth solving means, the heat storage means (41) is constituted by a heat storage tank (41) filled with a high temperature latent heat storage material (42). is there.

Thus, by using the heat storage material (42) as the high temperature latent heat storage material, the heat storage tank (41) filled with the heat storage material (42) can be made compact.

A sixth solving means of the present invention is the cogeneration system (10) according to the first solving means.
The heat storage device (41) for storing the heat output by the heat storage device (41) is provided, and the humidity control device (20) dehumidifies or humidifies the air taken in by using the heat stored in the heat storage device (41). On the other hand, the hot water supply device (40) is configured to generate hot water by using the heat stored in the heat storage device ().

According to the sixth solving means, the heat energy output from the cogeneration device (10) is stored in the heat storage device (41), and the heat energy stored in the heat storage device (41) is converted into the humidity control device (20). ) And a water heater (40). Therefore,
The load of the cogeneration device (10) is leveled, and the capacity of the cogeneration device (10) is reduced. In addition, the heat stored in the heat storage device (41) is supplied to the humidity control device (2
By using both 0) and the water heater (40),
The utilization efficiency of the heat generated by the cogeneration device (10) is further improved, and the efficiency of the cogeneration system is further improved.

The seventh means for solving the problems of the present invention is to supply the heat generated by the cogeneration system (10) to the humidity control system (20) and the hot water supply system (40) by means of a heat medium. The medium is water, hydrofluorocarbon refrigerant, CO ₂ , or hydrocarbon refrigerant.

That is, in the present cogeneration system, various heat media can be used. In particular, when the heat medium is a hydrofluorocarbon type refrigerant or a hydrocarbon type refrigerant, the workability, maintainability and reliability of the cogeneration system can be improved.

An eighth solving means devised by the present invention is a cogeneration device (which is configured by branching to the humidity control device (20) side and the hot water supply device (40) side in the seventh solving means. 10) to the humidity control device (20) or hot water supply device (40)
Supply circuit (50) for transporting the heat medium to the heat exchanger, and a heat medium supplied to the humidity control device (20) side and a heat medium supplied to the hot water supply device (40) at the branch position of the supply circuit (50). A distribution means (53) for adjusting the distribution amount of the cogeneration device (10) is provided.
The heat medium from No. 1 is preferentially supplied to the humidity control device (20), while the surplus heat medium not required by the humidity control device (20) is supplied to the hot water supply device (40). It is a thing.

Here, "priority supply of heat medium to humidity control device (20)" means cogeneration device (10).
At least half of the total amount of heat output by the plant is supplied to the humidity control device (20), while the rest is supplied to the hot water supply device (40).
Means to supply to cogeneration equipment (1
It also means that all of the heat generated by 0) is supplied to the humidity control device (20).

That is, in the present solving means, even if the supply amount of the heat medium to the hot water supply device (40) is 0 (zero), the humidity control device (20) requires the humidity control device (20). To supply the heat medium. By doing so, the humidity control apparatus (20) can obtain the heat required for its operation, so that stable operation becomes possible. On the other hand, the hot water supply device (40) generates hot water by using the excess heat that is not required in the humidity control device (20). This will improve the total efficiency of the cogeneration system while ensuring indoor comfort.

In this way, the cogeneration device (1
The operation mode of the cogeneration system that preferentially supplies the heat output by (0) to the humidity control device (20) side is particularly effective when the air conditioning demand is large and the hot water supply demand is small, and the running cost is reduced. Is planned.

The ninth means for solving the problems according to the present invention is the cogeneration system (10) according to the seventh means.
A first supply circuit (54) for transferring the heat medium from the humidity control device (20) to the humidity control device (20) and a second supply circuit (55) for transferring the heat medium from the humidity control device (20) to the hot water supply device (40). Be prepared.

According to the ninth solution, the heat medium from the cogeneration system (10) is first supplied to the humidity control system (20) by the first supply circuit (54). As a result, the high temperature portion of the heat medium is used in the humidity control device (20). Then, by the second supply circuit (55), the humidity control device (2
The heat medium that has been used in 0) is supplied to the hot water supply device (40). That is, the heat generated by the cogeneration device (10) is preferentially supplied to the humidity control device (20) at the temperature level.

Therefore, the humidity controller (20) can obtain the heat required for its operation, and the humidity controller (20) can be stably operated. This ensures comfort in the room.

On the other hand, the water heater (40) is the humidity controller (20).
The heat that is not required in step 2 is supplied through the second supply circuit (50), and hot water is generated by using this surplus heat. Therefore, the total efficiency of the cogeneration system is improved.

A tenth solving means devised by the present invention is a cogeneration device (wherein the coordinating device (20) and the hot water supply device (40) are branched from each other in the above seventh solving means. 10) to the humidity control device (20) or hot water supply device (40)
A first supply circuit (56) for conveying the heat medium to the heat supply device and a branch position of the first supply circuit (56) to the heat medium supplied to the humidity control device (20) side and the hot water supply device (40) side. A distribution means (53) for adjusting a distribution amount of the heat medium to be supplied, and a second supply circuit (55) for conveying the heat medium from the humidity control device (20) to the hot water supply device (40) are provided. Distributing means (53)
While preferentially supplying the heat medium from the cogeneration device (10) to the humidity control device (20), the excess heat medium not required by the humidity control device (20) is supplied to the hot water supply device ( 40).

By the tenth solution means, the heat medium from the cogeneration device (10) is supplied to the first supply circuit (5
Humidity control device (20) via distribution means (53) in 6)
And the hot water supply device (40) are distributed and supplied to the humidity control device (2
The heat medium supplied to (0) is supplied to the water heater (40) by the second supply circuit (55).

Here, the distribution means (53) preferentially supplies the heat medium from the cogeneration device (10) to the humidity control device (20). As a result, the humidity control apparatus (20) obtains the heat required for its operation, which enables stable operation of the humidity control apparatus (20).

On the other hand, in the hot water supply device (40), an excess heat medium which is not required in the humidity control device (20) is distributed through the distribution means (53) of the first supply circuit (56) to the cogeneration device (10). ), And the heat medium after being used in the humidity control apparatus (20) is also supplied via the second supply circuit (55). Then, in the hot water supply device (40), hot water is generated using the heat of the heat medium. In this way, by providing the second supply circuit (55), the utilization efficiency of the heat is further improved, and while the indoor comfort is ensured, the total efficiency of the cogeneration system is further improved.

[0043]

As described above, according to the cogeneration system of the present invention, the adsorption element (31) of the humidity control device (20) has the cooling-side passage (39), and the cooling-side passage is provided during the adsorption operation. The regeneration temperature of the adsorption element (31) is lowered by causing the cooling fluid to flow through the (39) to suppress the temperature rise of the first air. Therefore, the heater (33) of the humidity control device (20)
The amount of recovery of the heat energy in is increased, and the recovery efficiency can be improved. Therefore, the efficiency of the cogeneration system can be improved.

In the fourth solution, the hot water supply device (40) is
The cogeneration device (10) has a heat storage means (41) for storing the warm heat output. As a result, it is possible to equalize the load and reduce the capacity of the cogeneration device (10). At the same time, the utilization efficiency of the heat generated by the cogeneration device (10) can be improved, and the efficiency of the cogeneration system can be further improved.

In the sixth solution means, a heat storage device (41) for storing the hot heat output from the cogeneration device (10) is provided, and the humidity control device (20) and the hot water supply device (40) are It is configured to use the heat stored in 41). As a result, the load of the cogeneration device (10) can be leveled and the capacity thereof can be reduced, and the utilization efficiency of the heat generated by the cogeneration device (10) can be improved. The efficiency of can be further improved.

In the eighth to ninth means, the heat generated by the cogeneration device (10) is preferentially supplied to the humidity control device (20). Thus, the humidity control apparatus (20) can be stably operated, and a running cost is reduced when the air conditioning demand is large and the hot water supply demand is small.

[0047]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

<First Embodiment> (Overall Configuration of Cogeneration System) FIG. 1 shows a cogeneration system (11) according to a first embodiment of the present invention, which is a cogeneration system (10). ), A humidity controller (20), and a hot water supply device (40).

While the cogeneration device (10) is supplied with fuel and outputs electric power and heat, the humidity control device (20) outputs heat and heat output by the cogeneration device (10). After dehumidifying or humidifying the air taken in by using the air, the hot water supply device (40) uses hot water generated by the heat output from the cogeneration device (10) on the use side. Is to be supplied to.

This cogeneration system (11)
Is configured in a small building such as a small building or a home.

The cogeneration system (10) comprises, for example, a heat engine such as a gas turbine / gas engine and a generator, or is equipped with a fuel cell.

For example, in the case where the cogeneration device (10) is composed of a heat engine and a generator, the heat engine receives supply of air and fuel, converts combustion energy of fuel into motive power, and generates electricity. Configured to drive the machine. The electric power generated by this generator is output, and the exhaust heat of the combustion exhaust gas of the heat engine is output as warm heat.

On the other hand, in the case where the cogeneration device (10) is equipped with a fuel cell, the fuel cell generates electric power to output the electric power, and hydrogen supplied to the fuel cell is reformed by the fuel. Exhaust heat of at least one of the reforming unit and the fuel cell that is generated is output as warm heat.

Then, the cogeneration device (1
The heat output from the (0) is generated by the heat transfer medium (2).
0) and the hot water supply device (40), respectively.

That is, the cogeneration device (1
0), the humidity control apparatus (20) and the hot water supply apparatus (40) are connected to each other by a supply circuit (50) that conveys a heat medium, and this supply circuit (50) is connected to the humidity control side supply circuit (50). The humidity control device (20) side and the hot water supply device (40) side are branched between the hot water supply side supply circuit (52) and the hot water supply side supply circuit (52). The supply circuit (50) is provided with a three-way valve (53) as a distributing means at the branch position. The three-way valve (53) is provided from the cogeneration device (10) to the humidity control side supply circuit (51).
The flow rate of the heat medium supplied to the hot water supply side and the flow rate of the heat medium supplied to the hot water supply circuit (52) are distributed and adjusted.

Further, the cogeneration device (10)
The humidity control device (20) and the hot water supply device (40) are connected to each other by the discharge circuit (60).
0) is the humidity control side discharge circuit (61) and the hot water supply side discharge circuit (6
2) Composed of and.

Thus, the cogeneration device (10)
The heat medium from the distribution means (5) in the supply circuit (50).
After being supplied to the humidity control device (20) and the hot water supply device (40) via the 3) and used in the humidity control device (20) and the hot water supply device (40), the Returned to the generation device (10). Therefore, the supply circuit (5
0) and the discharge circuit (60) form a circulation circuit that circulates the heat medium among the cogeneration device (10), the humidity control device (20), and the hot water supply device (40).

As the heat medium, for example, water, hydrofluorocarbons refrigerant, CO ₂ , or hydrocarbons refrigerant can be adopted. In particular, when a hydrofluorocarbon type refrigerant or a hydrocarbon type refrigerant is adopted, the workability, maintainability and reliability of the cogeneration system (11) can be improved.

The operation of the cogeneration system (11) will now be described. Since the cogeneration system (11) is small, both the humidity control device (20) and the hot water supply device (40) are It is not possible to output sufficient heat. Therefore, the humidity control device (20) is configured to be operated with priority over the hot water supply device (40). This is specifically the three-way valve (53) of the supply circuit (50)
By controlling the heat medium supplied to the humidity control device (20) side,
This is done by adjusting the distribution amount with the heat medium supplied to the water heater (40) side. At this time, the distribution amount is adjusted so that the temperature of the heat medium flowing through the supply circuit (50) is maintained at the temperature required for the humidity control device (20) or higher.
Here, the temperature required in the humidity control device (20) is
It is the temperature required for regeneration of the adsorption element (31) described later.

In this way, while the necessary amount of heat medium is supplied to the humidity control device (20), the hot water supply device (40) is supplied with the excess heat medium not required by the humidity control device (20). By supplying the heat, the humidity controller (20) is supplied with the heat required for its operation, so that the humidity controller (20) can be stably operated. As a result, the comfort of the room can be ensured. On the other hand, in the hot water supply device (40), hot water is generated by using the excess heat that is not required in the humidity control device (20), so that the total efficiency of the cogeneration system can be improved.

In this way, the operation mode of the cogeneration system (11) which preferentially supplies the heat output by the cogeneration device (10) to the humidity control device (20) side is when the air conditioning demand is large and the hot water supply demand is small. It is particularly effective and can reduce the running cost.

(Structure of Humidity Control Device) The humidity control device (20)
Is configured to take in outdoor air, adjust the humidity of the taken-in outdoor air, and then supply the indoor air.

That is, as shown in FIG. 2, the humidity controller (20) includes a main body (30), a first four-way valve (21a) and a second
It is equipped with a four-way valve (21b).

The end of the first introduction duct (22) and the end of the second introduction duct (23) are connected to the main body (30). The starting end of the first introduction duct (22) and the starting end of the second introduction duct (23) are respectively the first four-way valve (21a).
Are connected to different ports. Furthermore, the end of the inside air duct (24) and the end of the outside air duct (25) are connected to the first four-way valve (21a). Inside air duct (24)
Has an opening at the beginning thereof. Outside air duct (25)
Has a starting end open to the outside.

The first four-way valve (21a) is the outside air duct (25).
And the first introduction duct (22) and the inside air duct (24) and the second introduction duct (23) are communicated (state shown by a solid line in the figure), and the outside air duct (25) and the second The communication between the introduction duct (23) and the inside air duct (24)
The state is changed to a state in which the introduction duct (22) is in communication (a state indicated by a broken line in the figure).

Further, the main body portion (30) is connected to the starting end of the first lead-out duct (26) and the starting end of the second lead-out duct (27). The end of the first outlet duct (26) and the second
The end of the outlet duct (27) means the second four-way valve (21
connected to different ports in b). Further, the starting end of the supply duct (28) and the starting end of the discharge duct (29) are connected to the second four-way valve (21b). Supply duct (28)
Has its end open to the room. Exhaust duct (29)
Has its end open to the outside.

The second four-way valve (21b) allows the second outlet duct (27) and the discharge duct (29) to communicate with each other and the first outlet duct (26) and the supply duct (28) to communicate with each other (Fig. 2 in a solid line), the second outlet duct (27) and the supply duct (28) in communication with each other, and the first outlet duct (26) and the discharge duct (29) in communication (broken line in FIG. 2). State).

The main body (30) includes first and second adsorption elements (31a, 31b) as adsorption elements (31), a sensible heat exchanger (32) and a heater (33). A first passage (34) and a second passage (35) are formed.

The first passage (34) communicates with the first introducing duct (22) at the inlet end and the first outlet duct (26) at the outlet end.
Is in communication with. Outdoor air or indoor air is introduced into the first passage (34) as first air through the first introduction duct (22). On the other hand, the second passage (35) communicates with the second introduction duct (23) at the inlet end and communicates with the second outlet duct (27) at the outlet end. In this second passage (35), the second
Room air or outdoor air is second through the introduction duct (23).
Introduced as air.

The first and second adsorption elements (31a, 31)
In b), one of them is arranged on the first passage (34), while the other is arranged on the second passage (35). Further, the first and second adsorption elements (31a, 31b) are configured such that their arrangement positions can be interchanged. That is,
In the illustrated example, the first adsorption element (31a) is arranged on the first passage (34), while the second adsorption element (31b) is arranged on the second passage (35). However, from this state, the second adsorption element (31b) is arranged on the first passage (34) while the first adsorption element (31a) is arranged on the second passage (35). It is configured to be switchable.

As shown in FIG. 3, each of the adsorption elements (31a, 31b) is formed by alternately laminating a plurality of flat plate members (36) and a plurality of corrugated plate members (37). The corrugated plate member (37) is arranged so that the ridge directions of a pair of corrugated plate members (37) adjacent to each other in the stacking direction are orthogonal to each other. A portion of the corrugated plate member (37) sandwiched between the flat plate members in the adsorption element (31a, 31b) is configured as a humidity adjustment side passage (38) or a cooling side passage (39). The (38) and the cooling-side passages (39) are alternately formed in the stacking direction. Further, the humidity adjusting side passageway (38) opens in the adsorbing member on a pair of side surfaces facing each other in the ridge direction of the corresponding corrugated plate member (37), whereas the cooling side passageway (39) differs from this. An opening is formed in another pair of opposite side surfaces. That is, the humidity control side passage (38)
And the cooling-side passage (39) are formed in directions orthogonal to each other. Then, an adsorbent that adsorbs water is applied to the surface of the flat plate member (36) facing the humidity adjusting side passage (38) and the surface of the corrugated plate member (37) provided in the humidity adjusting side passage (38). Has been done. Examples of this type of adsorbent include silica gel,
Zeolites, ion exchange resins and the like can be mentioned.

In each of the adsorption elements (31a, 31b), the humidity-control-side passage (38) is oriented so that the humidity-control-side passage (38) is along the first passage (34) or the second passage (35). (34,35)
In the adsorption element (31a, 31b) arranged above and arranged on the first passage (34), the first air flowing through the first passage (34) flows through the humidity-control-side passage (38), At this time, the adsorbent adsorbs the water vapor contained in the first air. On the other hand, in the adsorption element (31a, 31b) arranged on the second passage (35), the second air flowing through the second passage (35) flows through the humidity adjusting side passage (38), and at this time, the adsorbent Water is desorbed from the.

A cooling fluid flows in the cooling side passage (39) of the adsorption element (31a, 31b) arranged on the first passage (34). As a result, the heat of adsorption generated in the humidity-control-side passage (38) is absorbed during the adsorption operation.

The sensible heat exchanger (32) is provided with the first passage (3) on the left side of each adsorption element (31a, 31b) in the figure.
4) and the second passage (35). That is, in the first passage (34), the sensible heat exchanger (3
2) is located downstream of the adsorption elements (31a, 31b), and the sensible heat exchanger (32) is disposed in the second passage (35) by the adsorption elements (31a, 31b).
Located upstream of b). The sensible heat heat exchanger (32) exchanges heat between the first air in the first passage (34) and the second air in the second passage (35).

The heater (33) is arranged in the second passage (35) between the sensible heat exchanger (32) and the adsorption elements (31a, 31b). A humidity control side supply circuit (51) and a humidity control side discharge circuit (61) are connected to the heater (33),
The heat medium from the cogeneration device (10) is fed. The heater (33) exchanges heat between the second air and the heat medium. That is, in the heater (33), the second air is heated by the heat held by the heat medium, that is, the heat generated by the cogeneration device (10).

Next, the operation of the humidity control apparatus (20) will be described with reference to FIGS. 2 and 4. In addition, FIG. 4 shows the dehumidification operation on the psychrometric chart.

-Dehumidifying Operation-When performing the dehumidifying operation, in the humidity controller (20), the first four-way valve (21a) and the second four-way valve (21b) are switched to the states shown by the solid lines in FIG. .

The outdoor air (dehumidified air) in the dot state is taken into the outdoor air duct (25). This outdoor air is
Flows through the introduction duct (22) and serves as the first air as the main body (30)
Is introduced into the first passage (34). Then, the first air passes through the first adsorption element (3) disposed on the first passage (34).
It is sent to the humidity control side passage (38). First adsorption element (3
In 1), the water contained in the first air is adsorbed by the adsorbent. At this time, the cooling fluid is flowing through the cooling-side passage (39) of the first adsorption element (31) and absorbs the heat of adsorption generated in the humidity-control-side passage (adsorption operation). As a result, if the adsorption heat is not absorbed by the cooling fluid during the adsorption operation, the first air in the state of the point changes along the isenthalpic line, the absolute humidity thereof decreases and the temperature rises. Then, by absorbing the heat of adsorption by the cooling fluid, the temperature rise of the first air is suppressed to the point 'state (see the broken line in the figure).

After that, the first air in this point 'state is
It flows through the first passage (34) and is sent to the sensible heat exchanger (32). In the sensible heat exchanger (32), the first air exchanges heat with the second air. As a result, the first air radiates heat to the second air, and the temperature of the first air is lowered to the point state. Then, the first air in the state of this point flows into the first outlet duct (26) from the first passage (34) and is supplied to the room through the supply duct (28).

On the other hand, room air in the state of dots (reproduction air)
Are taken into the inside air duct (24). The room air flows through the second introduction duct (23) and is introduced as the second air into the second passage (35) of the main body (30). The second air in the state of this point is sent to the sensible heat exchanger (32). In the sensible heat exchanger (32), the second air absorbs heat from the first air,
The temperature rises to a point 'state.

The second air in the state of the point 'is supplied to the second passage (3
It flows through 5) and is sent to the heater (33). In the heater (33), the second air exchanges heat with the heat medium from the cogeneration device (10). As a result, the temperature of the second air further rises and enters the state of point '.

The second air in this point 'state is sent to the humidity adjusting side passageway (38) of the second adsorbing element (31). This second
In the adsorption element (31), the second air comes into contact with the adsorbent.
As a result, moisture is desorbed from the adsorbent of the second adsorption element (31), and the adsorbent is regenerated. Due to the moisture released from the adsorbent, the absolute humidity of the second air rises and the temperature of the second air falls, resulting in a point state (regeneration operation). The second air in this state flows into the second outlet duct (27) from the second passage (35). Then, the second air is exhausted to the outside of the room through the exhaust duct (29).

In this way, the humidity control apparatus (20) can dehumidify the room and also ventilate the room.

Here, when the cooling by the cooling fluid is not performed during the adsorption operation in the first adsorption element (31), the second air moves from the state of the point to the point of Reach the state. On the other hand, when cooling is performed by the cooling fluid during the adsorption operation in the first adsorption element (31), the second air correspondingly changes from the point state to the point ', point'. After that, the state of dots is reached.
Therefore, the regeneration temperature of the adsorbent drops from point to point '. On the other hand, since the heat generated by the cogeneration device (10) is constant regardless of the presence or absence of cooling during the adsorption operation of the humidity control device (20), the regeneration temperature decreases, and thus the cogeneration device (10) ), The temperature difference between the heat output and the regeneration temperature becomes large. Therefore, the heater (3
The amount of heat recovery in 3) will increase, and recovery efficiency will improve. Therefore, by cooling during the adsorption operation, the efficiency of the cogeneration system (11) can be improved.

Also, when the amount of heat in the heater (33) is not cooled by the cooling fluid, the point from the point becomes the point by changing the point by the cooling fluid. 'become. That is, since the heating amount in the heater (33) is reduced, the cycle efficiency in the heater (33) is also improved.

If operation in this state is continued for a while,
The first adsorption element (31a) and the second adsorption element (31b)
And the first adsorption element (31a) is arranged on the second passage (35) while the second adsorption element (31b) is arranged on the first passage (34). In this state, the operation described above is performed. By doing so, the first air is introduced into the humidity adjusting side passageway (38) of the second adsorption element (31b) to perform the adsorption operation (at this time, the cooling of the second adsorption element (31b) is performed. Cooling fluid is caused to flow through the side passageway (39) for cooling,
The second air is introduced into the humidity-control-side passage (38) of the adsorption element (31a) to perform the regeneration operation.

Thus, the first and second adsorption elements (31
a, 31b) is a first operation which is an operation arranged on the first and second passages (34, 35) respectively, and the first and second adsorption elements (31a, 31b) are respectively second and The second operation, which is the operation arranged on the first passage (35, 34), is alternately performed.

-Humidifying operation-When performing the humidifying operation, in the humidity controller (20), the first four-way valve (21a) and the second four-way valve (21b) are switched to the states shown by the broken lines in FIG. .

The room air is taken into the room air duct (24). This indoor air flows through the first introduction duct (22),
The first air is introduced into the first passage (34) of the main body (30). Then, the first air passes through the first adsorption element (31
It is sent to the humidity control side passage (38) of a). In the first adsorption element (31a), the water contained in the first air is adsorbed by the adsorbent. At this time, as described above, the cooling fluid is caused to flow through the cooling side passageway (39) of the first adsorption element (31a),
It absorbs the heat of adsorption generated in the humidity-control-side passage (38) (adsorption operation).

After that, the first air passes through the first passage (34).
Flow to the sensible heat exchanger (32). In the sensible heat exchanger (32), the first air exchanges heat with the second air. As a result, the first air radiates heat to the second air, and its temperature drops. Then, the first air passes through the first passage (34).
Flows into the first outlet duct (26) from the exhaust duct (29)
Is discharged through the room.

On the other hand, the outdoor air is taken into the outdoor air duct (25). The outdoor air flows through the second introduction duct (23) and is introduced as the second air into the second passage (35) of the main body (30). This second air is sent to the sensible heat exchanger (32). In the sensible heat exchanger (32), the second air absorbs heat from the first air and its temperature rises.

After that, the second air passes through the second passage (35).
Flow to the heater (33). In the heater (33),
The second air exchanges heat with the heat medium from the cogeneration device (10). As a result, the temperature of the second air further rises.

Then, the second air is sent to the humidity adjusting side passageway (38) of the second adsorbing element (31b). In the second adsorption element (31b), the second air comes into contact with the adsorbent. By the contact with the second air, moisture is desorbed from the adsorbent of the second adsorption element (31), and the adsorbent is regenerated (regeneration operation). The moisture release of the adsorbent causes the absolute humidity and the temperature of the second air to rise. The second air in this state flows from the second passage (35) into the second outlet duct (27). Then, this second air is supplied to the room through the supply duct (28).

In this way, the humidity control apparatus (20) can humidify the room and can also ventilate the room.

If operation in this state is continued for a while,
The first adsorption element (31a) and the second adsorption element (31b)
And the first adsorption element (31a) is arranged on the second passage (35) while the second adsorption element (31b) is arranged on the first passage (34). Drive. By doing so, the first air is introduced into the humidity adjusting side passageway (38) of the second adsorption element (31b) to perform the adsorption operation (at this time, the cooling of the second adsorption element (31b) is performed. Side passage (3
A cooling fluid is supplied to 9) for cooling), and the second air is introduced into the humidity adjusting side passageway (38) of the first adsorption element (31a) to perform a regeneration operation.

Thus, the first and second adsorption elements (31
a, 31b) is a first operation which is an operation arranged on the first and second passages (34, 35) respectively, and the first and second adsorption elements (31a, 31b) are respectively second and The second operation, which is the operation arranged on the first passage (35, 34), is alternately performed.

The humidity control apparatus (20) is not limited to the above configuration, and depending on the specifications, the mixed air of the outdoor air and the indoor air may be the first air, and the mixed air of the indoor air and the outdoor air may be the first air. It may be 2 air.

(Structure of Hot Water Supply Device) The hot water supply device (40)
As shown in FIG. 5, is a heat storage tank (41) as heat storage means.
Is equipped with.

The high temperature latent heat storage material (42) is filled in the heat storage tank (41). As this heat storage material (42),
For example, erythritol or the like may be used.

Further, the heat storage tank (41) has two heat exchangers (43, 43) for exchanging heat with the heat storage material (42).
44) is provided, and the first heat exchanger (43) has a hot water supply side supply circuit (52) and a hot water supply side discharge circuit (62) that convey the heat medium from the cogeneration device (10). On the other hand, the second heat exchanger (44) is connected to the second heat exchanger (44), for example, a water supply pipe (45) that conveys water from a water supply or the like, and a hot water supply pipe (46) that conveys generated hot water to the user side. And are connected.

With this configuration, in the hot water supply device (40), the heat medium supplied from the cogeneration device (10) via the hot water supply side supply circuit (52) stores heat in the first heat exchanger (43). By exchanging heat with the material (42), the heat medium radiates heat to the heat storage material (42). Thus, the heat generated by the cogeneration device (10) is stored in the heat storage material (42).

On the other hand, in the second heat exchanger (44), the water supplied from the water supply pipe (45) exchanges heat with the heat storage material (42), and the heat storage material (42) with respect to the water. Dissipate heat. Hot water is thus generated, and the generated hot water is supplied to the hot water supply pipe (46).
It is supplied to the user side via.

As described above, the hot water supply device (40) has a heat storage tank (4
By providing 1), the heat generated by the cogeneration device (10) can be stored in the heat storage tank (41). This makes it possible to temporally shift the output of electric power and heat from the cogeneration device (10) from the use of heat in the hot water supply device (40). Therefore, the load of the cogeneration device (10) can be leveled and the capacity of the cogeneration device (10) can be reduced. Also,
The utilization efficiency of the heat generated by the cogeneration device (10) is improved, and the efficiency of the cogeneration system (11) can be further improved.

Further, by making the heat storage material (42) of the heat storage tank (41) a high temperature latent heat storage material, the heat storage tank (41) can be made compact.

As the hot water supply device (40), for example, a heater is provided on the hot water supply pipe (46), and the heater is used to heat the hot water as needed to supply hot water satisfying the temperature requirement. It may be supplied to the user side.

<Second Embodiment> FIG. 6 shows a cogeneration system (12) according to a second embodiment of the present invention. In the cogeneration system (12) according to the second embodiment, unlike the cogeneration system (11) according to the first embodiment, the cogeneration device (10) and the humidity control device (20) are first supplied. Circuit (54)
The humidity control device (20) and the hot water supply device (40) are connected to each other by the second supply circuit (55). The hot water supply device (40) and the cogeneration device (10) are connected by an exhaust circuit (60).

As a result, the cogeneration device (1
The heat medium from (0) is supplied to the humidity control device (20) via the first supply circuit (54), is used in this humidity control device (20), and then is supplied to the second supply circuit (55). It is supplied to the hot water supply device (40) via the. After being used in the hot water supply device (40), it is returned to the cogeneration device (10) via the discharge circuit (60). Therefore, the cogeneration system (10), the humidity control system (20), and the hot water supply system (4) are constituted by the first and second supply circuits (54, 55) and the discharge circuit (60).
A circulation circuit that circulates the heat medium between the first and the second) is configured.

In the cogeneration system (12) according to the second embodiment, the configurations of the cogeneration device (10), the humidity control device (20) and the hot water supply device (40) are substantially the same as those of the first embodiment. It is the same. For this reason,
The same members are designated by the same reference numerals, and detailed description thereof will be omitted.

However, in the humidity control device (20), the heater (3
The first supply circuit (54) and the second supply circuit (55) are connected to 3), and the first heat exchanger (43) in the water heater (40) has the second supply circuit (55). And the discharge circuit (60) are connected, which is different from the first embodiment.

In this cogeneration system (12), the heat medium from the cogeneration device (10) is the first
It is supplied to the humidity control apparatus (20) through the supply circuit (54). As a result, in the humidity control apparatus (20), the high temperature portion of the heat medium is used. And the second supply circuit (55)
The heat medium that has been used in the humidity control apparatus (20) is supplied to the hot water supply apparatus (40) via the. That is, the heat generated by the cogeneration device (10) is preferentially supplied to the humidity control device (20) at the temperature level.

As a result, the humidity control apparatus (20) can obtain the heat and heat required for the operation, and the humidity control apparatus (20) can be stably operated.

On the other hand, the hot water supply device (40) is supplied with excess heat which is not required in the humidity control device (20) via the second supply circuit (55). Thus, in the water heater (40),
This surplus warm heat is stored in the heat storage tank (41), and hot water is generated using the stored warm heat as needed. Therefore, the utilization efficiency of the heat generated by the cogeneration device (10) is improved, and the efficiency of the cogeneration system (12) is improved.

<Third Embodiment> FIG. 7 shows a cogeneration system (13) according to a third embodiment of the present invention. In the cogeneration system (13) according to the third embodiment, a cogeneration device (10),
The humidity control apparatus (20) and the hot water supply apparatus (40) are the humidity control apparatus (20) formed by the humidity control side supply circuit (51) and the hot water supply side supply circuit (52).
Side and the hot water supply device (40) side are connected to each other by a first supply circuit (56) configured to be branched, and a three-way valve (distributor) at a branch position of the first supply circuit (56) ( Five
3) is installed.

Further, a second supply circuit (55) for conveying the heat medium discharged from the humidity control device (20) to the hot water supply device (40) is provided, and the end of the second supply circuit (55) is , Is connected to the hot water supply side supply circuit (51).

Further, the hot water supply device (40) and the cogeneration device (10) are connected by the discharge circuit (60).

With this configuration, the heat medium from the cogeneration system (10) is supplied to the humidity control system (20) and the hot water supply system (40) through the distribution means (53) in the first supply circuit (56). To be done. The heat medium used in the humidity control apparatus (20) is supplied to the hot water supply apparatus (40) via the second supply circuit (55) and the hot water supply side supply circuit (52). Then, after being used in the hot water supply device (40), this heat medium is returned to the cogeneration device (10) via the discharge circuit (60). Therefore, the first and second supply circuits (5
6, 55) and the discharge circuit (60) form a circulation circuit that circulates the heat medium among the cogeneration device (10), the humidity control device (20), and the hot water supply device (40).

In the cogeneration system (13) according to the third embodiment, the configurations of the cogeneration device (10), the humidity control device (20) and the hot water supply device (40) are substantially the same as those of the first embodiment. It is the same. For this reason,
The same members are designated by the same reference numerals, and detailed description thereof will be omitted.

However, the heater (3
The humidity control side supply circuit (51) and the second supply circuit (55) are included in 3).
Is connected to the first heat exchanger (43) of the hot water supply device (40), and the hot water supply side supply circuit (52) and the discharge circuit (60).
The difference from the first embodiment is that and are connected.

Next, the operation of the cogeneration system (13) will be described. The first supply circuit (5) is controlled by the control of the three-way valve (53) of the first supply circuit (56).
6) Adjust the amount of heat medium supplied to the humidity control device (20) side and the amount of heat medium supplied to the hot water supply device (40) side so that the temperature of the heat medium flowing through 6) is maintained at or above a predetermined temperature. To do. Thus, from the cogeneration device (10) to the humidity control device (2
0) is supplied with a required amount of heat medium in the humidity control device (20), while the hot water supply device (40) is supplied with excess heat medium not required in the humidity control device (20). .

By doing so, the humidity control apparatus (20) can perform stable operation, and the comfort of the room can be secured.

On the other hand, the hot water supply device (40) is directly supplied with the heat medium from the cogeneration device (10) through the hot water supply side supply circuit (52), and the second supply circuit (55) and the hot water supply device. The heat medium from the humidity control device (20) is supplied through the side supply circuit (52). Then, in the hot water supply device (40), the heat of the supplied heat medium is stored in the heat storage tank (41), and if necessary, the heat stored in the heat storage tank (41) is used to generate hot water. In this way, the heat medium that has been used in the humidity control device (20) is also supplied to the hot water supply device (40) via the second supply circuit (55) and the heat is stored in the heat storage tank (41). Thus, the utilization efficiency of the heat generated by the cogeneration device (10) is improved. Therefore, the efficiency of the cogeneration system (13) can be further improved.

<Fourth Embodiment> The fourth embodiment is a mode different from the above-described embodiments with respect to the humidity control apparatus (20). In this case, the cogeneration system (11, 12,
The configuration of 13) may be any of the above-described first to third embodiments.

In the humidity control apparatus according to the fourth embodiment, as shown in FIG. 8, the main body (30) has the adsorption element (31) instead of the first and second adsorption elements (31a, 31b). The above desiccant rotor (31c) is provided.

As shown in FIG. 9, the desiccant rotor (31c) is formed in a donut shape or a thick cylindrical shape. In the desiccant rotor (31c), the humidity adjusting side passages (38) and the cooling side passages (39) are alternately defined in the circumferential direction. The humidity adjusting side passageway (38) penetrates the desiccant rotor (31c) in the axial direction, and opens on both axial side surfaces of the desiccant rotor (31c). An adsorbent is applied to the inner wall of the humidity-control-side passage (38).

On the other hand, the cooling side passageway (39) penetrates the desiccant rotor (31c) in the radial direction thereof, and opens at the outer peripheral surface and the inner peripheral surface of the desiccant rotor (31c), respectively.

Then, the desiccant rotor (31c)
As shown in FIG. 8, the first passage (34) and the second passage (3
It is placed in a position that crosses both 5). As a result, the first air flows through the humidity adjusting side passage (38) of the desiccant rotor (31c) in the first passage (34), and the second air flows in the second adjusting passage (35). ) Flow through. The desiccant rotor (31c) is driven by a motor (not shown) and is configured to rotate about its central axis.

Then, in the humidity control system (20) according to the fourth embodiment, the first air flowing through the first passage (34) introduced into the desiccant rotor (31c) comes into contact with the adsorbent here. The moisture contained therein is adsorbed by the adsorbent (adsorption operation). At this time, in the portion of the desiccant rotor (31c) that crosses the first passage (34), the cooling fluid is flowing in the cooling-side passage (39), and as a result, it is generated in the humidity-control-side passage (38). Absorbs heat of adsorption.

On the other hand, the second air flowing through the second passage (35) introduced into the desiccant rotor (31c) comes into contact with the adsorbent here, but since the desiccant rotor (31c) is rotating, The part of the desiccant rotor (31c) that has absorbed moisture from one air eventually moves to the second passage (35) side and comes into contact with the second air. By this contact with the second air,
Water is desorbed from the adsorbent of the desiccant rotor (31c),
The adsorbent is regenerated (regeneration operation).

<Other Embodiments> The present invention is not limited to the above-mentioned embodiments, and includes various other embodiments. That is, in the above embodiment, the humidity control apparatus (20) is a so-called batch type humidity control apparatus (20) or a rotor type humidity control apparatus (20), but the present invention is not limited to this, and for example, the adsorption element (31). The adsorption operation for introducing the first air into the humidity control side passage (38) of the adsorption element (31) and the second operation in the humidity control side passage (38) of the adsorption element (31). The humidity control device (20) may be configured to intermittently and alternately perform the regenerating operation of introducing air.

Further, as a cogeneration system, a heat storage device (41) for storing the hot heat output from the cogeneration device (10) is provided to store the humidity control device (20) in the heat storage device (41). It is configured to dehumidify or humidify the air taken in using the stored heat, while the water heater (40) is configured to generate hot water by using the heat stored in the heat storage device (41). You may do it. This heat storage device (41) may utilize the heat storage tank (41) of the hot water supply device (40) in each of the above embodiments.

By doing so, the heat generated by the cogeneration device (10) is stored in the heat storage device (41),
The heat stored in the heat storage device (41) is used as the humidity control device (2
0) and water heater (40). As a result, the load of the cogeneration device (10) can be leveled and the capacity of the cogeneration device (10) can be reduced. Further, by using the stored heat energy in both the humidity control device (20) and the hot water supply device (40), the utilization efficiency of the heat energy output from the cogeneration device (10) is improved, and the system efficiency is further improved. Can be improved.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a cogeneration system according to a first embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a humidity control apparatus.

FIG. 3 is a perspective view showing a configuration of an adsorption element.

FIG. 4 is a block diagram showing a configuration of a hot water supply device.

FIG. 5 is a psychrometric chart showing a dehumidifying operation of the humidity control apparatus.

FIG. 6 is a block diagram showing a configuration of a cogeneration system according to a second embodiment.

FIG. 7 is a block diagram showing a configuration of a cogeneration system according to a third embodiment.

FIG. 8 is a block diagram showing a configuration of a humidity control apparatus according to a fourth exemplary embodiment.

FIG. 9 is a perspective view showing a schematic configuration of a desiccant rotor.

[Explanation of symbols]

(10) Cogeneration device (11) ~ (13) Cogeneration system (20) Humidity control device (31) Adsorption element (31a) First adsorption element (31b) Second adsorption element (31c) Desiccant rotor (adsorption element) (33) Heater (38) Humidity side passage (39) Cooling side passage (40) Water heater (41) Heat storage tank (heat storage means, heat storage device) (42) Heat storage material (50) Supply circuit (53) Three-way valve (distribution means) (54) First supply circuit (55) Second supply circuit (56) First supply circuit

Claims (10)

[Claims] 1. A cogeneration device (10) which is supplied with fuel and outputs electric power and heat, and dehumidifying or humidifying the air taken in by using the heat output by the cogeneration device (10). A cogeneration system comprising a humidity control device (20) for supplying air to a room and a hot water supply device (40) for supplying hot water generated by the heat generated by the cogeneration device (10) to a user side. The humidity control apparatus (20) is an adsorption element (31) in which a humidity control side passage (38) for contacting the first and second air with the adsorbent is formed.
And a heater (33) for heating the second air supplied to the humidity-control-side passage (38) of the adsorption element (31) with the heat output from the cogeneration device (10). An adsorbing operation in which the first air is introduced into the humidity control side passageway (38) of the adsorbing element (31) to adsorb the moisture in the first air to the adsorbent, and the first heating by the heater (33) 2 The air is introduced into the humidity control side passageway (38) of the adsorption element (31) to perform a regeneration operation for desorbing water from the adsorbent, and the adsorption element (31) is configured to perform the adsorption operation. A cogeneration system characterized by having a cooling side passage (39) through which a cooling fluid that robs the adsorption heat generated in the humidity control side passage (38) at times flows. 2. The humidity control device (20) according to claim 1, wherein the first and second plurality of adsorption elements (31) are provided.
a, 31b), and the first adsorption element (31a) is provided with a first portion in the humidity-control-side passage (38).
A first operation in which air is introduced to perform a suction operation and at the same time a second air is introduced into the humidity adjusting side passageway (38) of the second suction element (31b) to perform a regeneration operation, and the second suction is performed. Element (31
b) The first air is introduced into the humidity-control-side passage (38) to perform the adsorption operation, and at the same time, the second air is introduced into the humidity-control-side passage (38) of the first adsorption element (31a) to regenerate it. A cogeneration system characterized by being configured to alternately perform a second operation for performing an operation. 3. The adsorption element (31c) according to claim 1, wherein the humidity adjusting side passage (38) is formed in a substantially disc shape having a penetrating in the thickness direction, and the central axis thereof is sandwiched. The one side portion is arranged so as to cross the first air flow path, while the other side portion is arranged so as to cross the second air flow path, and the humidity control device (20) has the adsorption element (31c) at its center. While rotating around the axis, the adsorption operation is performed by introducing the first air into the humidity adjusting side passageway (38) formed in one side portion of the adsorption element (31c), and at the same time, the adsorption element (31c). A cogeneration system characterized in that a regeneration operation is performed by introducing second air into the humidity-control-side passage (38) formed in the other side portion. 4. The hot water supply device (40) according to claim 1, having a heat storage means (41) for storing the heat generated by the cogeneration device (10), and the heat storage means (41) stores the heat. A cogeneration system characterized by being configured to generate hot water by utilizing warm heat. 5. The cogeneration system according to claim 4, wherein the heat storage means (41) is composed of a heat storage tank (41) filled with a high temperature latent heat storage material (42). 6. The heat storage device (41) according to claim 1, further comprising: a heat storage device (41) for storing the heat energy output from the cogeneration device (10), wherein the humidity control device (20) stores the heat energy stored in the heat storage device (41). While being configured to dehumidify or humidify the air taken in by using the hot water supply device (40), the hot water supply device (40) is configured to generate hot water by using the warm heat stored in the heat storage device (41). A cogeneration system characterized by: 7. The heat generation device according to claim 1, wherein the heat output from the cogeneration device (10) is supplied to the humidity control device (20) and the hot water supply device (40) by a heat medium, and the heat medium is water or hydrofluorocarbon. Refrigerant, C
A cogeneration system characterized by being O ₂ or a hydrocarbon type refrigerant. 8. The cogeneration device (10) according to claim 7, wherein the humidity control device (20) and the hot water supply device (40) are branched from each other. The supply circuit (50) that conveys the heat medium to the (40) and the humidity control device (20) at the branch position of the supply circuit (50).
The distribution means (53) for adjusting the distribution amount of the heat medium supplied to the hot water supply device (40) and the heat medium supplied to the hot water supply device (40) side is provided from the cogeneration device (10). The heat medium of No. 1 is preferentially supplied to the humidity control apparatus (20), while the surplus heat medium not required by the humidity control apparatus (20) is supplied to the hot water supply apparatus (40). A cogeneration system that is characterized by 9. The first supply circuit (54) for transporting a heat medium from the cogeneration device (10) to the humidity control device (20) according to claim 7, and the hot water supply device (40) from the humidity control device (20). ) Is provided with the 2nd supply circuit (55) which conveys a heat carrier to the cogeneration system. 10. The humidity control device (20) or the hot water supply device according to claim 7, wherein the humidity control device (20) and the hot water supply device (40) are branched to form a cogeneration device (10). A first supply circuit (56) for conveying a heat medium to (40), and a heat medium supplied to the humidity control device (20) side at the branch position of the first supply circuit (56) and the water heater (40). ) Side, and a second supply circuit (55) for conveying the heat medium from the humidity control device (20) to the hot water supply device (40). While the distribution means (53) preferentially supplies the heat medium from the cogeneration device (10) to the humidity control device (20), an excess of the heat medium not required by the humidity control device (20) is supplied. A cogeneration system characterized by being configured to supply a heat medium to the water heater (40). .