JP2000247394A - Construction of wall surface for regenerative tank - Google Patents

Abstract

PROBLEM TO BE SOLVED: To construct a rectangular parallelepiped wall surface with disposition at deformed profile parts of a water tank simplified and to make instantaneous dispositions possible for heat insulation and waterproofing by a method wherein long synthetic resin panels each having hollow parts are fixed to wall surfaces of an existing water tank along channels fixed with anchor bolts to the wall surfaces. SOLUTION: A number of anchor bolts 2 are fixed to the internal face of a concrete water tank and tips of the anchor bolts 2 are inserted through channels, and the channels are fixed to appropriate positions of the anchor bolts 2 by movement of nuts fitted respectively onto the anchor bolts 2. Then, panels 6 each made from a long rigid synthetic resin board having a plurality of hollow parts penetrating in the longitudinal direction and equipped with holding parts at its both sides in its breadthwise direction are arranged along the channels, and the holding parts of the adjoining panels 6 are engaged with each other and a flat side wall being airtightly continuous is constructed for a regenerative tank. Furthermore, hardening resin or concrete is poured by using hook bolts 10 into a space between the side wall of the regenerative tank and the internal face of the water tank and hardened.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a wall surface of a heat storage tank, and particularly to a method of constructing a wall surface of a heat storage tank by modifying a reinforced concrete water tank already installed under a building. It is about the method.

[0002]

2. Description of the Related Art Recently, a heat storage tank has been installed in a building in order to make effective use of energy. The heat storage tank is used to store heat and supply the stored heat to a necessary place when needed. The heat in this case includes not only warm heat but also cool heat.

A heat storage tank currently used uses a liquid such as water, glycerin or an aqueous solution of polyethylene glycol as a heat storage material, absorbs heat in the liquid, and requires the liquid to be heated or cooled. It is based on the principle that it is sent to a place where it causes the liquid to radiate or absorb heat and heat or cool that place.

[0004] Therefore, as the heat storage tank, those having a structure in which a heat exchanger is provided in a water tank which has been subjected to heat insulation treatment are often used. The large heat storage tank is made of reinforced concrete, and the heat insulation material is applied to the wall to prevent wasteful heat dissipation. A heat exchanger having a structure in which a large number of pipes are arranged in parallel with a small gap therebetween to form a rectangular parallelepiped block as a whole is used. In this structure, heat exchange is efficiently performed between the fluid flowing through the pipe and the fluid outside the pipe.

On the other hand, in a building, an aquarium is often already installed underground to supply water to each room. Therefore, when a new heat storage tank is to be installed, the water tank is modified to be a heat storage tank.

[0006] Many of the already installed water tanks are not rectangular parallelepiped. This is because the conventional aquarium was installed using the empty space in the building. Also, as long as it is used as a water tank, its shape may be irregular. However, if this water tank is used as a heat storage tank, inconvenience occurs if the tank has an irregular shape. Because, in the case of a variant, a heat exchanger made into a rectangular parallelepiped block as described above is put in it,
This is because it becomes difficult to efficiently perform heat exchange. Further, it is also difficult to make the fluid in the heat storage tank have a uniform temperature as a whole.

[0007] Therefore, when converting an existing water tank into a heat storage tank, the deformed portion of the water tank body is first filled or cut to modify the body into a rectangular parallelepiped shape. Again,
After finishing the surface of the skeleton smoothly, paste heat insulating material there,
Also came waterproof treatment. Moreover, the attachment of the heat insulating material and the waterproofing process have been separate processes. Therefore, remodeling required a lot of work.

When a new heat storage tank is made of reinforced concrete irrespective of the existing water tank, it has been proposed to use a special synthetic resin plate for the wall surface of the heat storage tank. This proposal is described in JP-A-9-137974. According to this proposal, a plate made of synthetic resin is used as a mold for pouring concrete, and after hardening of the concrete, this plate is left as it is without being peeled off to form an insulating plate. The advantage is that a heat storage tank can be made. However, this proposal cannot be directly applied to a case where a water tank made of reinforced concrete is modified into a heat storage tank.

[0009]

SUMMARY OF THE INVENTION An object of the present invention is to provide a simple method for modifying a reinforced concrete water tank into a heat storage tank without performing the above-mentioned complicated work. . That is, the processing of the deformed portion of the water tank is simplified to form a rectangular parallelepiped wall surface, and at the same time, the heat insulation and the waterproof processing are performed at once to facilitate the conversion to the heat storage tank.

[0010]

For this purpose, the present invention uses a long synthetic resin plate having a hollow portion to be used in JP-A-9-137974 on the wall surface of a heat storage tank. It shall be. In addition, a large number of anchor bolts are driven into the wall of the water tank, the channels are fixed in place with the anchor bolts, and the synthetic resin plate is fixed along the channels, thereby immediately forming a rectangular parallelepiped heat storage tank wall. Things.

According to the present invention, when converting an existing concrete water tank into a heat storage tank, a long hard synthetic resin plate having a plurality of hollow portions penetrating in the length direction is provided on both sides in the width direction. Using a panel with locking parts, a number of anchor bolts are fixed to the inner surface of a concrete water tank, the ends of these anchor bolts are passed through the channels, and the channels fitted on the anchor bolts are moved by moving nuts fitted to each anchor bolt. Fixing it in place, arranging the panels along the channel, engaging the locking parts of adjacent panels to create a flat wall that is airtight and continuous, and thus configuring the wall of the heat storage tank in a rectangular parallelepiped shape It is intended to provide a method for constructing a characteristic wall surface of a heat storage tank.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a partially cutaway perspective view of a panel that can be used in the present invention. FIG. 2 is a perspective view showing a connection state of the panel shown in FIG. FIG. 3 is a longitudinal sectional view of the heat storage tank at an initial stage of the method of the present invention. FIG. 4 is a side view of an anchor bolt and a channel that can be used in the present invention. FIG. 5 is a longitudinal sectional view of the heat storage tank at an intermediate stage of the method of the present invention. FIG. 6 is a longitudinal sectional view of the heat storage tank completed by the method of the present invention.

According to the present invention, when converting an existing concrete water tank into a heat storage tank, a panel made of a hard synthetic resin is used. The panel is described in JP-A-9-137974, an example of which is shown in FIG. The panel shown in FIG. 1 has a long plate shape as a whole, but has a plurality of hollow portions penetrating in the length direction therein, and has locking portions on both sides in the width direction. In more detail, the structure with multiple hollow parts is one in which a flat front part and a flat back part are arranged in parallel, and a plurality of parallel ribs are inserted between them to integrate them. It is. Preferably, the plurality of hollows are of equal size, but may be of different sizes.

The locking portions on both sides are provided symmetrically with respect to the center axis of the panel. That is, the locking portions on both sides are protrusions having the same shape and the same size and a U-shaped cross section, but differ only in the opening direction of the U. More specifically, one of the locking portions has a U-shaped cross-section having a U-shaped opening facing the direction of the surface of the front surface portion, while the other of the locking portions has a surface of the back surface portion facing the surface of the back surface portion. It opens toward the direction. Each of the two locking portions is provided over the entire length of the side edge. Further, in each of the two locking portions, the outer surface of a portion corresponding to the bottom of U in the U-shaped projection is flush with the surface of the front surface portion and the surface of the rear surface portion, respectively. In addition, the protruding portion of the other locking portion is exactly fitted into the groove of one locking portion, whereby the locking portions are engaged with each other.

The panel shown in FIG. 1 is integrally formed of a hard synthetic resin as a material, including a locking portion. As the synthetic resin, various resins such as a vinyl chloride resin, a polyethylene resin, a polypropylene resin, a polyamide resin, and a polyester resin can be used. Among them, it is preferable to use a polyester resin, particularly a polyester resin reinforced with fibers. In particular, it is preferable to use a polyester resin reinforced with glass fibers.

The panel used in the present invention is obtained by cutting out only a required length from the long body of the structure shown in FIG. 1, that is, the length corresponding to the height of the side wall of the heat storage tank. Can be Therefore, when a heat storage tank is made using this panel, the side walls of the heat storage tank are seamless in the vertical direction. In other words, since the heat storage tank can be configured simply by connecting the panels in the horizontal direction, the heat storage tank made is strong.

The panel used in the present invention has a length corresponding to the height of the side wall of the heat storage tank, but can be easily carried from the manhole of the existing water tank by reducing the width in the lateral direction. It is necessary to connect the panels thus carried in the water tank in the horizontal direction, which can be easily and hermetically connected using a packing or the like as shown in FIG.

In order to connect the panels, as shown in FIG. 2, first, the locking portion of the panel A is positioned so as to open in a direction opposite to the locking portion of the adjacent panel B. A packing having a cross-section in the shape of a letter B is interposed between the locking portions. When the panel A is brought closer to the panel B in this manner, the locking portions are connected via the packing. As a result, the connected panels are airtightly connected as shown in panels B and C. At this time, the whole outer surface of the locking portion can be flush with the whole so that no depression occurs. Further, by applying a sealing material to the packing, the airtightness of the connection portion can be further improved.

The panels are not limited to those shown in FIGS. 1 and 2, but may have the structure as shown in FIGS. 1 and 2 in JP-A-10-291586.
A structure disclosed in Japanese Patent Application Laid-Open No. 0-292553 as shown in FIG. 4 can also be used.

In the method of the present invention, it is necessary to form the bottom of the heat storage tank using the above-described panel in an existing concrete water tank. At this time, the existing concrete water tank often has an irregular bottom. For example, as shown in FIG. 3, the concrete water tank has a bottom 11 having an inverted trapezoidal shape, a tapered shape at the bottom, and a footing portion 1 on the side wall.
Two are sticking out. The present invention aims at forming the largest and rectangular parallelepiped heat storage tank in such an irregularly shaped water tank, and for this purpose, firstly, it is attempted to attach a bottom of a rectangular quadrilateral flat heat storage tank.

In the present invention, the bottom of the heat storage tank is attached as follows. First, a panel having a length extending as much as possible over the entire bottom 11 of the water tank is cut out from the elongated body as a panel. Further, as shown in FIG. 3, the anchor bolt 2 is fixed to the bottom 11 of the water tank. As the anchor bolt 2, it is preferable to use a screw whose outer surface is threaded over its entire length as shown in FIG. The anchor bolts 2 are fixed at at least four positions near both ends in the longitudinal direction of the panel constituting the bottom of the heat storage tank and near both side walls. The anchor bolt 2 is fixed so that its axis extends in the vertical direction.

As shown in FIG. 4, the tip of the anchor bolt 2 passes through the channel 3. The channel 3 is made of metal, in particular steel, and has a length that extends over the bottom 11 of the aquarium in a direction perpendicular to the plane of the paper of FIG. The channel 3 is located with the opening 31 extending in the longitudinal direction facing upward, and the anchor bolt 2 is penetrably inserted and removed. The anchor bolt 2 is fixed to the channel 3 by being sandwiched between two nuts 21 and 22 fitted therein. Therefore nuts 21 and 22
By changing the position, the channel 3 can be fixed at a desired position on the anchor bolt 2. Thus, the channel 3 can be displaceably fixed to the anchor bolt 2. Channel 3
Is actually fixed by adjusting the nuts 21 and 22 so as to form a flat surface as close as possible to the bottom 11 of the water tank.

On the channel 3 thus fixed, FIG.
And a panel 4 having the structure shown in FIG. Since the panel 4 has a length extending to the entire bottom as described above, the panel 4 is initially flat in the length direction. However, since a large number of panels 4 are connected in the width direction by the engagement of the locking portions as shown in FIG. 2, there is a possibility that unevenness may occur. However, a flat surface can be obtained by arranging along the channels 3 fixed so as to form a flat surface as described above. Thus, the bottom of the flat heat storage tank is configured as close to the bottom 11 of the water tank as possible. In this state, the panel 4 is fixed to the anchor bolt 2 or the channel 3 by appropriate means.

Thereafter, a hardening resin or concrete is poured between the bottom 11 of the water tank and the panel 4 and hardened. It is preferable to use foamable urethane resin as the curable resin, and it is preferable to use foamable concrete as the concrete.

After forming the bottom of the heat storage tank in this way, next, the side wall of the heat storage tank is formed around the bottom. For this purpose, a number of anchor bolts 2 are horizontally fixed to the inner surface of the side wall of the water tank, nuts are fitted to the anchor bolts 2, the ends of the anchor bolts 2 are passed through the channels 3, and the extending directions of the channels 3 are aligned by moving the nuts.

Thereafter, the panels 6 are arranged along the channels 3 and the ends of the anchor bolts 2 are made to penetrate the panels 6 as well. At this time, it is preferable that the panel 6 be arranged so that its length is exactly equal to the height of the heat storage tank and its length direction is oriented vertically. The panels 6 arranged in this manner form an airtight flat surface by engaging the locking portions on both sides with each other similarly to the panel 4 constituting the bottom.

Thereafter, the angle member 7 is brought into contact with the panel 6 from above, the tip of the anchor bolt 2 is passed through the angle member 7, and a nut is fitted to the anchor bolt 2, and the angle member 7 is inserted.
To the panel 6 to fix the panel 6.

At this time, the panel 6 is arranged so as to surround the bottom of the heat storage tank formed by the panel 4 as widely as possible and to be as close to the side wall of the water tank as possible while avoiding the unevenness of the side wall of the water tank 1. . Thereby, a rectangular parallelepiped heat storage tank as large as possible is formed in the water tank.

In FIG. 3, only the anchor bolts 2 are installed at both ends in the longitudinal direction of the panel 4 to form the bottom of the heat storage tank. Attach extra anchor bolts. If necessary, anchor bolts may be provided between both side edges of the panel. Similarly, in order to form the side wall of the heat storage tank, in FIG. 3, only the anchor bolts 2 are installed at the central portions in the longitudinal direction of both side edges of the panel 6, but according to the length of the arrowhead panel 6. Attach extra anchor bolts to appropriate parts.

At the connection between the bottom and the side wall, for example, it is preferable that the angle members 7 abut against each other and be fixed to each other, and it is preferable that the sealing material 8 is applied to the inner surface thereof.

In this way, as shown in FIG. 5, after the panel 6 is fixed in the water tank 1 to form the side wall of the heat storage tank, a hardening resin or concrete is poured between the side wall of the heat storage tank and the side of the water tank. To cure. FIGS. 4 and 5 show an example in which the curable resin or concrete is poured in two separate steps, but this can be poured at once. That is,
After assembling the bottom and side wall of the heat storage tank, resin or concrete may be poured at once.

After that, the heat exchanger is carried into the heat storage tank from the manhole of the water tank, and the heat exchanger is installed in the heat storage tank.
Since this heat storage tank is constituted by a rectangular quadrangular panel, it is inevitably formed in a rectangular parallelepiped shape. On the other hand,
Since the heat exchanger is usually a rectangular parallelepiped block,
The heat exchanger can be evenly and efficiently installed in the heat storage tank.

Thereafter, as shown in FIG. 6, the lid is covered to complete the heat storage tank. Although the illustration of the heat exchanger is omitted in FIG. 6, the lid is also formed of the same panel as the bottom and side walls. A styrofoam block 9 is provided around the lid to prevent heat from escaping. Further, foaming urethane resin is filled between the lid and the water tank wall around the manhole to prevent heat from escaping.

As shown in FIG. 6, it is desirable to use a hook bolt 10 to enhance the adhesion between the panel 6 or the inner surface of the water tank and the hardening resin or concrete. The hook bolt 10 needs to be fixed to the wall of the water tank at the same time as the anchor bolt 2 is fixed, and it is necessary to fix the hook 6 to the panel 6 before passing the panel 6 through the anchor bolt 2.

Before the hardening resin or concrete is poured, a pipe support is inserted between the facing panels 6 so that the panel 6 does not fall down by the pressure of the hardening resin or concrete. Is preferred. Needless to say, this pipe support should be removed after pouring the hardening resin or concrete and before carrying the heat exchanger. It is preferable that a packing 13 is interposed between the panels 4 and 6, as shown in FIG.

[0036]

According to the present invention, a long hard synthetic resin plate having a plurality of hollow portions penetrating in the length direction is used as a panel for forming the wall surface of the heat storage tank. In addition, the panel has a high strength in proportion to its light weight, is easy to carry into the water tank, has no seams in the height direction, and is strong, and forms a wall surface having good heat insulating properties. In addition, since this panel is provided with the locking portions on both sides in the width direction, the locking portions can be connected at once at a time by airtight connection, and the heat storage tank can be easily installed.

Also, a number of anchor bolts are fixed to the inner surface of the existing concrete water tank, the ends of these anchor bolts are passed through the channels, and the nuts fitted to the anchor bolts are moved to place the channels on the anchor bolts in place. Since the channel is fixed, the channel can be extended straight along the inner surface of the aquarium and close to the inner surface of the aquarium.Therefore, only by lining the panels along the channel and engaging the locking portions, an airtight and continuous flat The wall surface can be easily formed in a rectangular parallelepiped shape. Also, by pouring curable resin or concrete between the wall surface of the heat storage tank and the inner surface of the water tank thus solidified, the wall surface of the heat storage tank can be integrated with the water tank. It becomes something.

Since the heat storage tank thus formed is necessarily in the shape of a rectangular parallelepiped, the heat exchanger in the form of an existing rectangular parallelepiped block can be evenly disposed therein, and therefore, the heat storage tank having good performance can be obtained. The tank can be easily and efficiently made. The present invention provides such benefits.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view of a panel that can be used in the present invention.

FIG. 2 is a perspective view showing a connection state of the panel shown in FIG.

FIG. 3 is a longitudinal sectional view of a heat storage tank in an initial stage of the method of the present invention.

FIG. 4 is a side view of an anchor bolt and a channel that can be used in the present invention.

FIG. 5 is a longitudinal sectional view of a heat storage tank at an intermediate stage of the method of the present invention.

FIG. 6 is a longitudinal sectional view of a heat storage tank completed by the method of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Existing water tank 2 Anchor bolt 3 Channel 4 Panel 5 Curable resin or concrete 6 Panel 7 Angle material 8 Seal material 9 Styrofoam block 10 Hook bolt 11 Bottom of water tank 12 Footing part 13 Packing 21, 22 Nut 31 Opening

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3E070 DA03 DA07 KA03 KA11 KB10 KC06 LA01 NA01 QA04 RA01 RA30

Claims (3)

[Claims] When converting an existing concrete water tank into a heat storage tank, a long hard synthetic resin plate having a plurality of hollow portions penetrating in the length direction is locked on both sides in the width direction. Using a panel with a section, a number of anchor bolts are fixed to the inner surface of a concrete water tank, the ends of these anchor bolts are passed through the channel, and the nuts fitted to each anchor bolt are moved to place the channel in place on the anchor bolt. The panel is fixed, the panels are arranged along the channel, and the engaging portions of the adjacent panels are engaged with each other to form an airtightly continuous flat wall surface, and thus the wall surface of the heat storage tank is formed in a rectangular parallelepiped shape. How to build the wall of the heat storage tank. 2. The method for constructing a wall surface of a heat storage tank according to claim 1, wherein, after forming the wall surface, a curable resin or concrete is poured between the wall surface and the inner surface of the water tank and solidified. 3. The method for constructing a wall surface of a heat storage tank according to claim 1, wherein the panels constituting the side wall of the heat storage tank are arranged along a channel with the length direction thereof being vertical. .