JPS6078235A - Heat exchange system of partitioned space - Google Patents

Abstract

PURPOSE:To contrive to promote the efficiency of energy necessary for heating or cooling the interior of a partitioned space and at the same time obtain an economical heat exchange system with a low initial cost of the partitioned space by a method wherein liquid refrigerant is flowed directly onto the surface of the interior of the partitioned space. CONSTITUTION:Exterior members composed of a swimming chamber 11, that is, side walls 12a-12c on three sides consist in covering the surfaces of concretes having heat storage function and heat insulating function with tiles and the like. By starting a pump 21, the hot water 29 in a balancing water tank 18 is sent under pressure through a filter 22 and a feed water pipe 20 to a pool 15 and sprinkling pipes 19a-19c. The hot waters flowed in the respective pipes 19a-19c are jetted from small holes formed on the pipes 19a-19c against the respective side walls 12a-12c and fall down along the surfaces of the respective side walls. As a result, the surface of the side walls are heated and the interior of the swimming chamber 11 is heated by the radiation of heat from the surfaces of the side walls. The side walls are utilized as the heat exchange means for cooling the interior of the swimming chamber 11 by flowing down cooling water instead of the hot water.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a heat exchange system for a partitioned space that makes it possible to control the temperature inside the space by using the inner surface of the enclosed space, and more specifically, to hot water,
The present invention relates to a heat exchange system in which the inner surface of a partitioned space has a heat exchange function for heating or cooling by flowing a refrigerant such as cold water.

2. Description of the Related Art Conventionally, a system shown in FIG. 1 has been proposed as a heating system for heating the inside of a pool, for example, in an indoor heated pool.

In this Figure 1, 1 is a building that constitutes an indoor pool;
2 is a heated pool formed on the floor of the building 1, and a heating pipe 4 is installed in the concrete floor 3 on the side of the pool.
is laid in a meandering manner, and both ends of the pipe 4 are connected to the secondary side of the heat exchanger 5, and a pump 6 for refrigerant circulation is connected in series in the passage connecting the pipe 4 and the heat exchanger 5. Further, the primary side of the heat exchanger 5 is connected to the boiler 7.

In the heating system configured as described above, when the pump 6 is driven, the refrigerant in the pipe 4 is circulated in the direction of the arrow in FIG. 1 through the secondary side of the heat exchanger 5, thereby warming the floor where the pipe is buried. The surface temperature is raised and heat rays are emitted from the floor surface to heat the pool interior using so-called radiant heat.

This method is called a hot water floor panel heating method, and because it uses heated hot water as a refrigerant, it is effective in increasing the radiant average temperature, but it has the following problems.

a) The initial cost I. is high and the installation range is limited.

b) There is a risk of water leakage occurring in the installed pipes.

C) To increase the floor surface temperature indirectly from inside the concrete floor, in order to maintain the floor surface temperature required for radiant heating, the temperature of the hot water circulating in the pipes should be 40°C to 45°C.
However, the efficiency of using thermal energy was low and the cost was high, making it uneconomical.

The present invention has solved the above-mentioned conventional problems, and its purpose is to use the internal surface of the partitioned space as a heat exchange means by directly flowing a liquid refrigerant onto the surface of the partitioned space, thereby increasing the internal temperature of the partitioned space. It is an object of the present invention to provide an economical heat exchange system for a partitioned space that improves the efficiency of energy required for heating or cooling and has a low initial cost.

In order to achieve the above object, the heat exchange system for a partitioned space of the present invention includes a partitioned space that is partitioned into an inside and outside by an outer shell member, and is arranged along the inner surface of at least a part of the outer shell member that constitutes this partitioned space. means for dispersing the liquid refrigerant onto the inner surface of the outer shell member, means for storing the liquid refrigerant, and means for sending the liquid refrigerant from the storage means to the dispersion means, the liquid refrigerant being sprayed onto the inner surface of the outer shell member. By flowing down, the outer shell member has a heat exchange function for heating or cooling.

Embodiments of the present invention will be described below based on the drawings.

FIGS. 2 to 4 show an example in which the heat exchange system of the present invention is applied to heating an indoor hot water pool, where 10 is a building housing an indoor swimming facility, and 11 is a partition formed inside the building 10. A space, that is, a swimming room, and the outer members that make up this swimming room 11, that is, the three side walls 12a to 12c, are made of concrete with a tiled surface that has heat storage and heat insulation functions, and the other side walls 14 is formed from a glass plate that can take in solar energy or let in sunlight.

A swimming pool 15 is formed on the floor of the swimming room 11, and a groove 16 is formed on the floor around the outside of the pool 15 to receive warm water overflowing from the pool 15. The hot water overflowing into the swimming chamber 16 is drained through a conduit 17 to a balancing tank 18 provided outside the swimming room 11.

Further, pipes 19a to 19C for dispersing hot water are arranged on the upper inner surfaces of the side walls 12a to 12c of the swimming room 11,
Each of these pipes 19a to 19c (7) and each side wall 12a to 12
Hot water is poured into each side wall 12a to 12a to the part facing C.
A large number of small holes or slits (not shown) are formed in the side wall 2c, and the hot water flowing out from each pipe flows down along the inner surface of the side wall 12a to 12c. The surface of the -12C is heated according to the temperature of the hot water to function as a heat source for radiant heating that radiates heat.

Balancing water tank 18 for storing the above-mentioned fool 15 and hot water
are connected by a water supply pipe 20, and a water supply pump 21 and a filter 22 are interposed in series in the water supply pipe 2o on the balancing water tank 18 side.
The hot water distribution pipes 19a to 19c are connected via electromagnetic valves 23a to 23C, and the electromagnetic valves 23a to 23c are controlled to open and close by a control circuit 24. 25 is a temperature sensor that detects the surface temperature of the side wall 12a (or 12b, 12C), and a signal proportional to the temperature of this temperature sensor 25 is supplied to the control circuit 24, and is detected as a set value in the control circuit 24. When the surface temperature is below a set value, the electromagnetic valves 23a to 23C are opened, and when the surface temperature is above the set value, the electromagnetic valves 23a to 23C are closed.

Further, 26 is a groove formed along the side wall on the floor surface facing the side walls 12a to 12C, and this groove 26 and the balancing water tank 18 are communicated with each other by a return pipe 27.
This pipe 27 is provided with a manual valve 28.

In addition, the above pool water is heated by a solar heat collector, a passive solar collector, and a boiler, and 2.
The water temperature is between 8°C and 30°C.

Next, the operation of this embodiment configured as described above will be explained.

When heating the swimming room 11, first, it is confirmed that the water temperature in the pool 15 is 29°C or higher, and it is determined whether the swimming room requires heating. In this case, turn on the power switch (not shown) to start the water supply pump 21, and also turn on the control circuit 24. Temperature sensor 25 is maintained in an operational state.

When the pump 21 is started, the hot water 29 in the balancing water tank 18 is sucked by the pump 21, and is passed through the filter 22 and the water supply pipe 20 to the pool 15 and the spray pipe 19a.
~19C. When the hot water passes through the filter 22, dust and the like floating in the hot water are removed.

At the start of heating, side walls 12a to 1 serve as heat sources for radiant heating.
Since the surface temperature of 2c is below the set value, the control circuit 24
A signal is sent from the solenoid valve 23.
Excite a to 23c to open each valve 238 to 23c,
A portion of the hot water flowing inside the water supply pipe 20 is supplied to the electromagnetic valve 23a~
23C to each of the dispersion pipes 19a to 19C. The hot water that has flowed into each of the pipes 19a to 19C is ejected from small holes or slits formed in each pipe to the respective side walls 12a to 12C, and flows down along the respective side wall surfaces. As a result, the surfaces of the side walls 12a to 12c are heated to approximately the temperature of hot water, and heat is radiated from the side wall surfaces, heating the room by the radiant heat. At this time, the amount of radiant heat per unit area of each of the side walls 128 to 12c is small, but since the surface area of the side walls 12a to 12C as a whole is extremely large, it has a large capacity as a heat source for radiant heating, and therefore is suitable for heating the swimming room. is fully functional and can create a comfortable indoor pool environment for pool swimmers.

On the other hand, the hot water that has flowed down the surface of each side wall 12a to 12C and reached the floor surface flows into the groove 26, and by keeping the valve 28 open, it passes through the pipe 27 to the balancing water tank 18.
It is refluxed into the interior. Here, if the valve 28 is closed,
The hot water overflows the groove 26 and flows along the floor toward the pool 15, warming the floor and radiating heat from the floor to heat the room. Further, the hot water flowing on the floor flows into the groove 16 and is returned to the balancing water tank 18 through the conduit 17.

On the other hand, when the temperature inside the swimming room 11 reaches the comfortable environmental temperature and the side wall surface temperature detected by the temperature sensor 25 exceeds the set value, the output signal of the control circuit 24 is turned off, and at the same time, the electromagnetic valves 23a to 23C are turned off. Closed spray pipe 1
The supply of hot water to 9a to 19c is stopped, and the side walls 12a to 1
The radiant heating effect of 2C disappears. At this time, the pump 21
The hot water sucked by the pool 15 passes through the water supply pipe 20.
sent to. Then, the temperature inside the swimming room 11 decreases,
When the surface temperature of the side walls falls below the set value, the electromagnetic valves 23a to 23c open again to flow hot water onto the surfaces of the side walls 128 to 12c, warming the surfaces of the side walls and heating the room with the radiant heat. The above operation will be repeated thereafter.

In this embodiment as described above, the side wall 1 of the swimming room 11
Since the surfaces of 2a to 12C are directly heated by hot pool water, the side wall surface temperature can be easily and efficiently raised to the temperature required for indoor radiant heating, and the radiant surface temperature can be raised to a sufficient temperature using low-temperature water. In addition, it is possible to increase the surface temperature of walls and floors over a wide range at low cost, and it is also possible to realize a comfortable indoor pool environment at low cost.

In the above embodiment, a case has been described in which the side wall or floor is used as a heat source for radiant heating by flowing hot water along the side wall or floor surface. However, the invention is not limited to this, and for example, instead of hot water, If cooling water is allowed to flow down along the side wall or floor surface, the side wall or floor can be used as a heat exchange means for indoor cooling. Further, the heat exchange system of the present invention is not limited to indoor heating or cooling of indoor pools, but can of course also be used for heating and cooling of refrigerated warehouses, portable refrigerators, public baths, sauna baths, etc.

As described above, according to the heat exchange system of the present invention, by directly flowing the liquid refrigerant onto the surface of the partitioned space, the inner surface of the space is used as a heat exchange means for heating or cooling. Even if the amount of energy stored in the liquid refrigerant for indoor heating or cooling is low, it can sufficiently cope with the internal load, reduce the initial cost I of the heat exchange system, and increase the flexibility of installation. be.

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram of the configuration of a conventional indoor heating system for an indoor swimming pool, Fig. 2 is a longitudinal sectional view showing an example of the case where the heat exchange system of the present invention is applied to indoor heating of an indoor swimming pool, and Fig. 3 is a cross-sectional view taken along line m-m in Fig. 2,
The figure is an explanatory diagram of the configuration of the heat exchange system used for indoor heating shown in FIG. 2. 10... Building, 11... Swimming room (partition space), 12
a to 12C... Side wall (outer shell member), 15... Pool, 1B... Balancing water tank (refrigerant storage means), 19
a to 19c...dispersion pipe (refrigerant dispersion means), 20
... Water supply pipe, 21 ... Water supply pump (refrigerant feeding means), 23a to 23c ... Solenoid valve, 24 ...
Control circuit, 25...temperature sensor. Patent applicant: Nankoso Co., Ltd. 2

Claims (2)

[Claims] (1) a partitioned space formed by dividing the inside and outside by an outer shell member; a means disposed along the inner surface of at least a portion of the outer shell member constituting the partition space for dispersing a liquid refrigerant onto the inner surface of the outer shell member; A means for storing the liquid refrigerant, and a means for sending the liquid refrigerant from the storage means to the distributing means, the liquid refrigerant flowing down along the inner surface of the outer shell member to provide heating or cooling to the outer shell member. A heat exchange system for a partitioned space characterized by having a heat exchange function. (2) The heat exchange system for a partitioned space according to claim 1, wherein the outer shell member has heat storage and heat insulation functions. (31) The heat exchange system for a partitioned space according to claim 1, wherein the liquid refrigerant is hot water or cooling water.