JPH06300324A - Air conditioner heat storing device utilizing steel pipe column row earth retaining wall - Google Patents

Abstract

(57) [Summary] [Purpose] To use the steel pipe column earth retaining wall as a large-capacity heat storage device for air conditioning. [Structure] The steel pipe pillar row earth retaining wall A, which is installed and buried in the construction of the building B, is used as a heat storage water tank. A bottom plate 2a is provided on a large number of steel pipes 2 and 2 used for retaining walls to form a water tank pipe 1. A corresponding number of the water tank pipes 1 and 1 are connected by communication pipes 6 and 10 to form a series type water tank group and a parallel type water tank group, and two types of distribution pipes inserted into the water tank pipes of each group are provided. Connect to the confluence pipes 14 and 15 separately. And each confluence pipe 1
Connect 4,15 to the air conditioning equipment to recirculate water. As a result, cold and warm water from the heat pump 20 is supplied to the water tank pipes 1, 1
The heat source is used for cooling and heating.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat storage device for an air conditioner, which uses a steel pipe of a steel pipe column row earth retaining wall.

[0002]

2. Description of the Related Art Conventionally, the problems to be solved by the invention
Japanese Patent Application No. 4-298056 and Japanese Patent Application No. 498056 are used as a heat storage tank for an air-conditioning facility, in which a steel pipe for a column of columns and an earth retaining wall, which has been installed and buried in building a building, is used.
A device according to −311250 has been proposed. The former is a system in which the steel pipes of the heat storage tanks are connected in series, and the latter is a system in which the same pipes are connected in parallel.

The above-mentioned device is excellent in that a large-capacity heat storage tank can be produced at a relatively low cost, but when it is applied to a large-capacity heat storage tank, the drive device and the piping are enlarged. Etc. becomes a problem. In addition, the former series type simplifies the piping, but has the drawback that the operation of the entire device must be stopped if any of the water tank tubes fails or needs repair. However, the latter parallel type has a drawback that the piping becomes complicated and the installation cost becomes large.

The present invention has been made in order to solve the problems in the above-mentioned conventional apparatus, and by combining a series-type heat storage water tank group and a parallel-type heat storage water tank group, particularly in a large capacity, The present invention aims to provide a heat storage device that is low in cost and highly efficient, and that is excellent in handling failures and repairs.

[0005]

The structure of the present invention for achieving the above object will be described with reference to the drawings corresponding to the embodiments. The present invention is based on a facility in the ground adjacent to the building B. Steel pipe column row Soil retaining wall A required number of steel pipes 2,
2 are formed in bottomed water tank pipes 1 and 1, and a series water tank group C ₁ is formed by forming a set of a number of the water tank pipes 1 and _1.
And the parallel water tank group C ₂ are set, and the water tank pipes 1 and 1 are connected to each other by the communication pipes 6 and 10 for each of the groups C ₁ and C ₂ , and in the series water tank group C ₁ , the water tanks at the start and end thereof are connected. First and second mutually different flow pipes 7 and 8 are provided in the pipes 1 and 1, and in the parallel water tank group C ₂ , each of the first and second flow pipes 12 and 13 is provided in each water tank pipe 1 and 1, respectively. It is characterized in that the first flow pipes 7 and 12 and the second flow pipes 8 and 13 are inserted and connected by merging pipes 14 and 15, respectively.

[0006]

In the apparatus of the present invention, a series water tank group C ₁ and a parallel water tank group C ₂ are formed by grouping a corresponding number of water tank pipes 1 and _1, and the water tank pipes 1 and 1 communicate with each other in each group. Connected by 10. In the series water tank group C ₁ , the first and second circulation pipes 7 and 8 are inserted into the water tank pipes at the start end and the end, and in the parallel water tank group C ₂ , each of the water tank pipes 1 and 1 has both the first and second circulation pipes. 12,13 are inserted. Then, the first flow pipes 7, 12, 12 are combined into the first merge pipe 14, and the second flow pipes 8, 13, 13 are combined into the second merge pipe 15, respectively, and the air conditioner 20 , 21,22,23 are connected. Then, the heat pump 20 of the same equipment is used to circulate cold and warm water to the water tank pipes 1 and 1 of the water tank groups C ₁ and C ₂ to store heat, and also discharge this to the air conditioners 21 and 22 as heat sources.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 3, A is a steel tube column row earth retaining wall installed in the ground adjacent to the building B to be constructed, and the building B excavates and removes the earth surrounded by the earth retaining wall A, In addition, it is constructed with a required distance from the inner surface of the retaining wall A.

[0008] The steel pipe column row earth retaining wall A is, as conventionally known,
A large number of steel pipes 2 and 2 are connected by joints 3 and 3 to form a wall. Generally, a drill hole having a larger diameter than that of the steel pipe 2 is continuously filled with soil cement 4, and The steel pipes 2 and 2 are connected to and laid down to form a column of steel pipe columns. In the present invention, a part or all of the connected steel pipes 2 and 2 of the column of steel pipes are used as a heat storage water tank of a heat storage device in an air conditioning facility. Each steel pipe 2 used in the heat storage water tank is formed in the water tank pipe 1 by, for example, providing a bottom plate 2a at the lower end thereof to form a bottomed container, and closing the upper end thereof with a lid plate 2b as required. The cross section of the water tank pipe 1 may be round or square.

The above-mentioned water tank pipes 1 and 1 are composed of a series water tank group C ₁ and a parallel water tank group C ₂ each of which is made up of a corresponding number of continuous water tank tubes.
Set up an aquarium group of seeds. In the embodiment shown in FIGS. 2 and 3, the number of the water tank pipes 1, ₁ in each of the water tank groups C ₁ , C ₂ is not the same for the sake of illustration, but generally, the water tank pipes 1, 2 It is preferable to set 1 as one aquarium group.

In the series water tank group C ₁ , from the water tank tube 1 at the beginning to the water tank tube 1 at the end, the lower and the upper water tanks are sequentially connected by communication pipes 6, and each water tank pipe 1, 1 is in a serial state. Will be available for distribution at. And the 1st circulation pipe 7 which injects water into the aquarium pipe 1 at the starting end is covered with the cover plate 2b.
Is inserted and opened through the aquarium tube 1 at the end,
A second flow pipe 8 for flowing out water is inserted and opened through the cover plate 2b. In this case, the depth position at which the flow pipe opens can be appropriately determined. Further, each lid plate 2b is provided with a ventilation pipe 9, and the water tank pipe 1 is open to the atmosphere. Further, an overflow pipe (not shown) can be provided on the upper part of each water tank pipe 1 as required.

In the parallel water tank group C ₂ , each water tank pipe 1,
One of the water tank pipes 1 is movably connected to each other by a communication pipe 10 between the upper parts thereof, and the upper part of each water tank pipe 1 is overlaid.
A flow pipe 11 is provided, and a ventilation pipe 9 is provided on the cover plate 2b. In addition, each of the water tank pipes 1 is provided with a first and a second type of distribution pipes 12 and 13 for inflowing or outflowing water, respectively.
It is inserted and opened through b. Also in this case, the depth position where each of the flow pipes 12 and 13 is opened is appropriately determined. Each of the above-mentioned first flow pipes 12, 12 is connected to the first merging pipe 14,
Each of the second flow pipes 13, 13 is connected to the second merge pipe 15, and the first flow pipe 14 is connected to the first flow pipe 7 of the series water tank group C ₁ . The second distribution pipe 8 is also connected to the second distribution pipe 15. Then, the water tank tubes 1 and 1 are filled with water.

FIG. 4 shows a concrete example of the connection of the water tank pipes 1, ₁ in the series water tank group C ₁ by the communication pipe 6.
The steel pipes 2 and 2 have a short drawing pipe 16 at the top and bottom.
Projecting, and the steel pipe 2 is sunk, and the adjacent drawing pipes 16, 16
The two are connected by a communication pipe 10. Figure 5 shows a parallel water tank group C
₂ shows a concrete example of the connection of the water tank pipes 1 and 1 by the communication pipe 10. In the upper part of the steel pipes 2 and 2, short drawing pipes 16 and 16 are projected in advance, and after the steel pipe 2 is sunk, The respective withdrawal pipes 16, 16 are connected to the communication pipe 10.

The first and second merging pipes 13 and 14 are the building B.
Is connected to the air conditioning equipment installed in. That is, the first
The merging pipe 13 of the heat exchanger 23 is connected to an air conditioner such as a heat pump (ice-making heat pump in the case of cooling) 20 and an air handling unit 21 or a fan coil unit 22.
Is connected to the outlet side of the primary coil 24a by a pipe line 25a,
The merging pipe 14 is connected to the inlet side of the primary coil 24a of the heat exchanger 23 via a pump P ₁ by a pipe line 25b.

[0014] Then, by the action of the pump P _1, infeed and outflow of water into the water tank pipe 1,1 is made. That is, the water that has passed through the primary coil 24 a of the heat exchanger 23 becomes the second merging pipe 15
Then, the water is branched into the respective first flow pipes 7, 12, 12 and fed into the water tank pipe 1. In the series water tank group C ₁ , the water tank pipe 1 at the starting end enters from the first distribution pipe 7, rises in the next water tank pipe 1 from the lower part thereof, and sequentially flows from the upper part to the next water tank pipe 1, To the water tank pipe 1 of the
Is discharged to the confluence pipe 15. Further, in the parallel water tank group C ₂ , the water is fed into the respective water tank pipes 1 and 1 through the first flow pipes 12 and 12, and the second flow pipes 13 and 13 lead to the second joining pipes 15 respectively.
And is sent to the primary coil 24a of the heat exchanger 23. By such a return flow from the heat exchanger 23 to each water tank pipe, heat is stored or heat is released. that time,
Even if there is a difference in water level for each aquarium pipe 1, 1,
Since the water tank pipes 1 and 1 are connected by the communication pipes 6 and 10, the water level difference can be eliminated in a short time. In addition, if the water supply becomes excessive,
It is discharged from the pipe 11.

On the other hand, the secondary coil 24b of the heat exchanger 23 is provided with pipelines 26a and 26b connected to the heat pump 20, and the switching valves are provided from these pipelines 26a and 26b.
Pipes 28a, 28 around the air conditioners 21, 22 via 27a, 27b
b is connected. When heat is stored in the water tank pipes 1 and 1, the pipes 26 are formed by switching the switching valves 27a and 27b.
A and 26b are set around the heat pump 20, and a heat source is sent to the secondary coil 24b by the pump P ₂ to cool or heat the water in the water tank pipes 1 and 1 via the primary coil. It is economical to perform this heat storage operation by using low-priced late-night power. Also,
When air conditioning is used, the switching valves 27a, 27b are switched so that the pipelines 26a, 26b from the secondary coil 24b communicate with the pipelines 28a, 28b around the air conditioners 21, 22, and the water tank pipes 1, 1 flowing through the primary coil 24a. The heat storage water of No. 1 is used as a heat source. In addition, the switching valve 27
a, 27b, a conduit 26a connected to the secondary coil 24b,
If 26b, 28a, 28b are all connected, heat pump
In addition to the cooling and heating by 20, the heat storage water in the water tank pipes 1 and 1 can be used as a heat source.

FIG. 6 shows another example of connection between the device of the present invention and the air conditioning equipment. In this example, the first merging pipe 13 is directly connected to a pipe line 26a reaching the inlet side of the heat pump 20, and the second merging pipe 14 is directly connected to a pipe line 26b from the outlet side of the heat pump 20. Connected to. Those pipelines 26a,
26b, as in the example of FIG.
Pipe lines 28a, 28b around the air conditioners 21, 22 are connected via b. In addition, a pump p
_1, p ₂ are provided. In this example, when heat is stored in the water tank pipes 1 and 1, the switching lines 27a and 27b are switched so that the pipes 26a and 26b are provided around the heat pump 20.
When using air conditioning, the switching valves 27a, 27b are switched so that the pipelines 26a, 26b are connected to the pipelines 28a, 28 around the air conditioners 21, 22.
Connect to b. Further, by connecting the pipes 26a, 28a and the pipes 26b, 28b by switching the switching valves 27a, 27b, the heat storage by the heat pump 20 and the heat radiation by the air conditioners 21, 22 can be used together.

[0017]

As described above, the heat storage device of the present invention utilizes the steel pipes of the steel pipe column earth retaining wall conventionally installed for building a building, and forms the required number of the steel pipes in the water tank pipe. However, since they are divided into two types, that is, a series type water tank group and a parallel type water tank group, and they are combined and connected to the air conditioning equipment, it is possible to obtain a particularly large capacity at an inexpensive cost. The construction cost can be reduced, and even if a part of the aquarium pipe is damaged, it can be repaired without stopping the entire operation and good operation efficiency can be maintained. .

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing an outline of a device of the present invention and a relationship with an air conditioning facility.

FIG. 2 is a plan sectional view of the same.

FIG. 3 is an enlarged vertical sectional view showing the basic configuration of the device of the present invention.

FIG. 4 is a plan view showing a specific example of the same series-type water tank group.

FIG. 5 is a plan view showing a specific example of the parallel water tank group.

FIG. 6 is a schematic vertical sectional view showing another example of the relationship between the device of the present invention and air conditioning equipment.

[Explanation of symbols]

A steel pipe column row retaining wall B building C series type water tank group C ₂ parallel type water tank group 1 water tank pipe 2 steel pipe 2a bottom plate 2b lid plate 6 communication pipe 7 first distribution pipe 8 second distribution pipe 9 ventilation pipe 10 communication pipe 11 Overflow pipe 12 First flow pipe 13 Second flow pipe 14 First merge pipe 15 Second merge pipe 20 Heat pump 21 Air handling unit 22 Fan coil unit 23 Heat exchanger

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ryuji Kakimoto 4 Takatani Shinmachi, Ichikawa City, Chiba Kubota Ichikawa Plant (72) Inventor Chiaki Kaneko 1-3-8 Moto-Akasaka, Minato-ku, Tokyo Kashima Construction Co., Ltd. Company Tokyo Branch (72) Inventor Masato Iida 1-3-8 Moto-Akasaka, Minato-ku, Tokyo Kashima Construction Co., Ltd. Tokyo Branch (72) Inventor Masahiko Hanamura 1-2-7 Moto-Akasaka, Minato-ku, Tokyo In Kashima Construction Co., Ltd. (72) Inventor Noriyasu Sagara 2-1-1, Tobita, Chofu-shi, Tokyo Kashima Construction Co., Ltd. Technical Research Institute (72) Inventor Hiroo Izumiyama 2-1-1, Tobita, Chofu-shi, Tokyo Kashima Construction Co., Ltd. Technical Research Center

Claims (1)

[Claims] The required number of steel pipes in the column retention soil retaining wall installed in the ground adjacent to the building are formed into bottomed water tank pipes, and in parallel with a series type water tank group consisting of an equivalent number of these water tank pipes. A type water tank group is set and the water tank pipes are connected to each other by a communication pipe for each group, and in the series water tank group, first and second mutually different flow pipes are provided in the water tank pipes at the start and end thereof,
In addition, in the parallel water tank group, the first and second circulation pipes are inserted into the respective water tank pipes, and the first circulation pipe and the second circulation pipe
A heat storage device for an air conditioning equipment using a steel pipe column row earth retaining wall, characterized in that each of the distribution pipes is connected by a merging pipe.