JPS5925129B2 - Exterior wall renovation method using solar heat - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a renovation method that effectively utilizes solar heat when refurbishing sashes attached to the outer walls and openings of obsolete buildings.

In Japan, which does not have reserves of liquid fuel resources, saving fuel is a major concern, and there are already buildings on the rooftops of houses that absorb solar thermal energy and use it to raise water temperature. It has been a long time since heat exchangers have been developed.

By the way, residential condominiums or general high-rise buildings, which have a longer lifespan than wooden houses, are renovated by removing all exterior walls or QS frame sashes that serve as decorative decorations, which have a shorter lifespan than the frame structure. Often.

Applicants should take advantage of this great opportunity. This provides a high-efficiency solar heat-utilizing exterior wall renovation method at a low cost.

Embodiments will be described in detail below with reference to the drawings.

FIG. 1 is a piping system diagram of the embodiment, A is a front view, and the opening is a corresponding side view.

The figure shows three levels of floors that are part of the hierarchy of a high-rise building, where F is the floor, W is the old outer wall, and C is the floor.
is a spandrel of the curtain wall construction method, and is a diagrammatic illustration of a new window sash S installed in the opening between the upper and lower spandrels where a unit heat exchanger, which will be described later, is installed.

In the front view A, a unit heat exchanger is also arranged on the outside of the outer wall located between the windows.

That is, this example illustrates that it is also possible to increase the solar heat absorption area by alternately installing new window sashes S and heat exchangers.

In the embodiment, a sliding sash is fitted into the opening.

If the purpose is only for daylighting, a mating satsushi may be used.

In addition, ordinary water is assumed to be the medium fluid of a heat exchanger that absorbs and utilizes solar heat.

First, a piping system diagram of the curtain wall section will be explained. Reference numeral 1 is a rising water supply pipe on the cold water side, and the lower end thereof is not shown, but is connected to the water supply side, that is, generally to a pump.

2 is a substantially horizontal water supply branch pipe branched from the riser pipe 1 for each floor, and is installed horizontally on the indoor side of the curtain wall spandrel.

Reference numeral 3 designates a branch pipe for the hot water side fluid that has passed through the heat exchanger, which is connected in a T-shape to the riser pipe 4 on the left side in the figure, and reaches one end of the riser pipe 4 for effective use.

Otherwise, you can use the hot water directly, use it for indoor heating, or use a heat exchanger to circulate the low-temperature hot water fluid as it is. It is outside the scope of this invention.

Next, the connection state of a unit heat exchanger (position indicated by a two-dot chain line), which will be described later and is installed between the lower water supply branch pipe 2 and the hot water side branch pipe in the figure, will be summarized.

In the figure, 5a shows an injection pipe branched from the water supply branch pipe 2 in a T-shape.

Similarly, the diagonally upper portion 5b is an outlet or discharge pipe for the hot water that circulated within the heat exchanger 10, and is connected to the hot water branch pipe 3 in a T-shape, contrary to the above.

The example is 6a6B. 7a7b... This is an example of a case where Heset heat exchangers 10 are arranged in parallel.
The same applies to each layer.

In addition, depending on the situation, in order to increase the absorption area of solar heat, the number of opening window sashes may be halved and the window sashes and heat exchanger 10 may be arranged alternately (in this case, the two-dot chain line The injection pipes and discharge pipes to the heat exchanger shown in FIG. 1 rise from the lower water supply branch pipe 2 and are connected to the upper hot water branch pipe 3 as shown in the figure.

In the figure, the two-dot chain line indicates the heat exchanger 10.

Figure 2 shows a system diagram showing water injection into the water supply branch pipe 2, water injection into the heat exchanger 10, and the framed heat exchanger (the framed window frame (upper frame) is attached to the frame 15). FIG. 1 is a side analysis view taken along line A-A in FIG. 1;

10 is a heat exchanger that utilizes solar heat, and is a unit heat exchanger that is present in the entire curtain wall structure.

Reference numeral 101 is a frame which uses the heat exchanger as a frame and has a mounting portion to the frame, and the figure shows the lower frame of the frame assembled in a rectangular shape.

10. A is the flange of the frame that serves as the mounting portion mentioned above.

10° is glass that transmits heat rays, 103 is a heat exchange coil,
104 is a heat insulating material such as glass wool or rock wool.

Reference numeral 105 denotes a holding frame for the lid plate that houses the heat insulating material.

The above 101 to 105 are assembled into a unit heat exchanger 1.
It constitutes 0.

The heat exchange method is not limited to the coiled tube type shown.

11a and 11b are L-shaped mounting pieces for mounting the unit 10 to the frame 15, and are welded to each other vertically as shown.

Vllc is the same (one side of the mounting piece is fixed to the foundation bolt 12 buried in the frame with a bolt, and the other side is welded to the above-mentioned mounting piece 11 on the horizontal plane.

The two welds mentioned above are for the purpose of adjusting the position in the height direction and the front shoulder (horizontal) direction, and are not limited to welding (they may also be a combination of bolt nuts and long holes opened in the mounting piece).

2 is a water supply branch pipe arranged approximately horizontally, and the surrounding area is insulated with heat insulating material.

In addition, 5a is a cold water injection pipe, and one end is connected to the water supply branch pipe.
The other end is connected to the bottom of the heat exchanger.

13 is a cross section of the upper frame of the square sash frame, and is 13a.
is a 7-lunge which serves as a mounting portion for the decorative board 14.

The decorative board 14 covers the space between the old outer wall W and the new sash frame, and the lower part of the decorative board 14 is used as an opening in the building to which the window sash S is attached.

FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 1, showing the piping from the fluid outlet of the heat exchanger 10 to the hot water side branch pipe 3, and the installation of the unit heat exchanger to the building frame 15. This figure shows the state in which the lower frame of the window frame 13, which is fixed and framed in a rectangular shape, is respectively attached and fixed to the frame.

The hot water side branch pipe 3 corresponds to the water supply branch pipe 2, and the other parts are the same as the reference numerals explained in FIG. 2.

However, in terms of position, FIG. 2 shows details of the lower part of the unit heat exchanger 10.

Figure 3 is the same (details of the upper part are shown).

Figure 4 shows the state in which the unit heat exchangers 10 are installed and fixed to each other when the unit heat exchangers 10 are installed on the left and right sides of the window frame sash 9 in the opening in order to increase the surface that absorbs solar heat. Both figures show the details of the upper and lower parts of the unit heat exchanger 10, whereas this figure shows the side faces being joined and fixed, and shows that it can be fitted in the same way as the previous two figures. .

Next, standard means of the construction method of the present invention will be explained.

First, remove only the shoji of the existing window frame.

The old window frame 18 generally does not need to be removed (this is because, as mentioned above, it is covered with the decorative board 14 and is not exposed indoors).

It is okay to leave the old exterior walls as they are, or remove anything that might peel off from the structure and fall.

Meanwhile, at the factory, the frame 10. Complete the work up to storing the unit heat exchanger 10 inside and fixing the mounting piece 11a to the frame 10 (at the same time, complete assembling the window sash frame into a rectangular shape, and similarly attach the mounting piece 11a). It's stuck (.

At the site, foundation bolts are installed at a plurality of predetermined positions and the frame side mounting pieces 11c are temporarily fastened via washers 16, and the necessary number of unit heat exchangers 10'fr: mounting pieces 10 are installed.
a, 10b, and is fixed to the frame 15 by on-site welding or bolt nuts via the frame side attachment piece 11c.

In this case, in this embodiment, after the front shoulder positioning, the fixing shown in FIG. 3 is performed first, and the mounting pieces 11a and 11b shown in FIG.
A drawstring window sash frame, which adjusts the height (up and down) in between, is fitted from the outdoor side and fixed to the frame 15 by the same means, and is also fastened to the frame 101 of the unit heat exchanger. Perform sealing 17.

In the space created between the old building and the renovated curtain wall, connect the rising water supply pipe, the falling hot water pipe, and the branch pipes 2 and 3 running approximately horizontally from each main pipe as shown in the piping system diagram in Figure 1. Then, the unit heat exchanger and the aforementioned branch pipe are connected through an injection pipe and a discharge pipe.

As explained above, instead of removing the outer walls and window frames of obsolete buildings (instead of removing the removal costs and modifying equipment), it is extremely easy to create a curtain wall that effectively utilizes solar heat. Each unit is completed individually, with only simple installation required on-site.

After the construction, the building was beautifully renovated and served its purpose.It was a national policy renovation method that contributed to saving on fuel costs through free radiant heat from the sun.

[Brief explanation of drawings]

Figure 1 is a piping system diagram, Figure 2 is a detailed view of the upper part of the A-A side analysis view in Figure 1, and Figure 3 is the same <A-A visual cross-sectional view of the lower part. Detailed view, Figure 4 is B- in Figure 1.
It is a cross-sectional view from B. F...Floor surface, W...Outer mouth wall, C-=...
・・Spandrel (curtain wall), S・・・・
・Window s child, 5 a...Injection pipe (cold water), 13
...Sash frame, 5b...Discharge pipe (hot water), 10...Unit heat exchanger, 105...
...Press frame, 11a, llb, 11c...Mounting piece, 12...Foundation bolt, 13...
Satsushi frame, 14 pa... decorative board, 15... frame (outer wall W).

Claims (1)

[Claims] 1. A new system that involves the process of removing the existing window sash installed at the opening of the building, and the process of installing the multiple unit heat exchanger 10, which can be installed directly on the building frame 15, on the outside of the existing wall. The sash frame 13 is connected to the unit heat exchanger 10
The step of installing the unit adjacent to the upper and lower positions of the heat exchanger and the new curtain wall formed by the unit heat exchanger and the new sash frame, and setting piping for medium fluid circulation in the space created between the existing wall and the decorative board 14. This is an exterior wall renovation method using solar heat, which is characterized by covering the space between the new sash frame 13 and the existing wall 15.