JP3634666B2 - Supply / exhaust system for forced supply / exhaust type combustion appliances using common ducts in apartment buildings - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an apparatus for supplying and exhausting air with a supply and exhaust port of a combustion appliance of a forced air supply and exhaust system facing a common duct installed in an apartment house.
[0002]
[Prior art]
In the case of apartments, there are air supply / exhaust ducts called common ducts that can be shared by each dwelling unit, and combustion appliances are supplied and exhausted at the air supply / exhaust opening directly opened in the common duct on each floor. Yes. FIG. 4 shows this example, in which 1 is a common duct, 2 is an air supply opening provided on the roof, 3 is an air inflow passage, 4 is a U-turn bottom of the common duct 1, 5 is an air rising passage, and 6 is Exhaust openings provided on the rooftop, 10 is a combustion appliance, and 11 is a supply / exhaust top of the combustion appliance 10.
[0003]
[Problems to be solved by the invention]
However, in the air supply / exhaust system using the common duct 1, even if the initial design stage is sufficient, the number of combustion appliances used increases over time, the capacity increases and the air supply / exhaust volume increases. When the air pressure increases, the common duct 1 has a shortage in the supply / exhaust capacity. For example, there is a problem that incomplete combustion occurs or extinction occurs due to an increase in low oxygen concentration or exhaust pressure. In addition, there are the following problems.
1. Even in the initial design stage, the supply and exhaust capacity is often insufficient.
2. In many cases, the number of combustion appliances used increases over time or becomes larger, resulting in a shortage of supply and exhaust capacity.
3. The construction of the common duct cannot be repaired without the approval of the entire system.
4). There are almost no gas equipment that can be installed in the common duct property, and the current situation is that it cannot cope with the capacity increase.
5. Since there are only a limited number of gas equipment installed in common ducts, it must be managed continuously in the future.
[0004]
In order to solve the above problems, it may be possible to deal with the work by expanding the cross-sectional area of the common duct. However, since the common duct is a common part, it is necessary to obtain the approval of all the floors when dealing with repair work, etc., which often takes time and effort. In addition, this construction is a large construction that changes the structure of the building itself, and is impossible in practice.
[0005]
The present invention has been proposed in view of such points, and the object of the present invention is to improve the air supply / exhaust conditions of each floor using the space of the common duct and to burn the combustion appliances in a good state. It is possible to increase the size and level, and to improve safety.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, in the invention according to claim 1, in the supply / exhaust device of the forced supply / exhaust type combustion appliances using the U-shaped common duct of the apartment house, the forced supply / exhaust system is provided on each floor of the apartment house air inlet of the air supply pipe that was connected to the combustion instrument, opened directly to the set housing construction during the building and within the existing U-shaped common duct, which was built in one piece, the exhaust pipe, launched within the shared duct The exhaust port at the upper end is opened in the vicinity of the exhaust opening of the common duct.
[0007]
Furthermore, in the invention described in claim 2, in the supply / exhaust device for forced supply / exhaust type combustion appliances using the U-shaped common duct of the apartment house, each floor of the apartment house is connected to the forced supply / exhaust type combustion appliances. and the air supply pipe, the apartment building during the building and the existing U-type shared duct constructed integrally extending lowered to the bottom direction, the air inlet, opened near the bottom of the common duct, exhaust mouth, is characterized in that the opened directly into the shared duct.
[0008]
Furthermore, in the invention described in claim 3, in the supply / exhaust device for forced supply / exhaust type combustion appliances using the U-shaped common duct of the apartment house, each floor of the apartment house is connected to the forced supply / exhaust type combustion appliances. and the air supply pipe, the apartment building during the building and the existing U-type shared duct constructed integrally extending lowered to the bottom direction, the air inlet, opened near the bottom of the common duct, exhaust The tube is characterized in that the inside of the common duct is raised and an exhaust port at the upper end thereof is opened in the vicinity of the exhaust opening of the common duct.
[0009]
[Action]
In the first aspect of the invention, the air supply is performed directly from the common duct, and the exhaust is performed in the vicinity of the exhaust opening of the common duct. As a result, the exhaust discharged from other floors (lower layers) during the supply is not mixed.
[0010]
Next, in the invention described in claim 2, all of the combustion air is sucked from the bottom of the common duct, and the exhaust is discharged into the common duct. As a result, the exhaust discharged from the other floor (lower layer) is not mixed with the combustion air.
[0011]
Next, in the invention described in claim 3, all the combustion air is sucked from the bottom of the common duct, and all the exhaust is performed in the vicinity of the upper exhaust opening of the common duct. As a result, the exhaust discharged from the other floor (lower layer) is not mixed with the combustion air.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
In the present invention, it is possible to increase the size and safety of the appliance without modifying the common duct, and to improve the good combustion, the supply and exhaust pipes from the respective combustion appliances are provided in the common duct. Install. At this time, either the air supply side or the exhaust side is opened as it is in the common duct, and only the other side is extended to the lower part of the common duct or the exhaust opening. Extend to the bottom of the or the exhaust opening.
[0013]
Also, in each dwelling unit, the supply air is branched, or the exhaust air is gathered to provide one air supply / exhaust port in the common duct for each unit, and the air supply port and / or the exhaust port are extended from there. It may be. In the case of this method, the number of air supply or exhaust pipes is one for each dwelling unit.
[0014]
In the case of a natural supply / exhaust system, the diameter of the supply / exhaust pipe becomes large and the combustor is too narrow for a common duct. Is the principle. However, even if it is a natural air supply / exhaust system, the present invention may be applied under conditions that can sufficiently ensure air supply and exhaust.
[0015]
[Example 1]
This embodiment corresponds to the invention described in claim 1, and a specific example thereof will be described in detail with reference to FIG. Reference numeral 1 denotes a common duct, and this common duct 1 is provided with an air supply opening 2 on the roof of the building. In the building, air flowing in from the air supply opening 2 is passed through the air inflow passage 3. It is structured such that it is lowered and U-turned at the bottom 4 and discharged to the outside from the air outflow passage 5 through the roof exhaust opening 6.
[0016]
7 is a forced supply / exhaust type combustion appliance installed on each floor, and all the intake ports 8a of the intake pipe 8 of the combustion appliance 7 are opened in the air outflow passage 5 of the common duct 1, and the exhaust pipe 9 exhausts Only the opening 9 a extends to the exhaust opening 6 of the common duct 1.
[0017]
Since the exhaust gas is not discharged into the common duct 1 by the above structure, the lower-floor exhaust gas is mixed into the intake air of the upper-floor combustion appliance 7 and the incomplete combustion or disappearance is caused. Trouble will not occur.
[0018]
[Example 2]
This embodiment corresponds to the invention described in claim 2, and a specific example thereof will be described in detail with reference to FIG. In this embodiment, contrary to the case of the first embodiment, all the air inlets 8a of the air supply pipe 8 are extended to the bottom 4 of the common duct 1, and all the air outlets 9a of the exhaust pipe 9 are air of the common duct 1. It is established in the outflow passage 5.
[0019]
According to this embodiment, all of the combustion appliances 7 can suck fresh air from the bottom 4 of the common duct 1, and the only airflow rising in the air outflow passage 5 is exhaust. However, some of the outside air that flows into the common duct 1 due to the natural draft is also mixed.
[0020]
[Example 3]
This embodiment corresponds to the invention described in claim 3, and a specific example thereof will be described in detail with reference to FIG. In this embodiment, all the air inlets 8 a of the air supply pipe 8 of the combustion appliance 7 are extended to the bottom 4 of the common duct 1, while all the air outlets 9 a of the exhaust pipe 9 are extended to the exhaust opening 6 of the common duct 1. It has been extended.
According to this embodiment, not only exhaust gas is not mixed during the supply of the combustion appliance 7, but also no exhaust gas is discharged into the common duct 1.
[0021]
【The invention's effect】
As described above, the present invention can supply fresh air that does not mix exhaust gas to the combustion appliances on each floor without changing the common duct, so that the combustion appliances always keep the best combustion. Can do. Therefore, there is no worry of troubles such as incomplete combustion or disappearance as in the past, and the use range of hot water is expanding in the society that continues to develop like today, so it is possible to increase the capacity of the equipment And enable a safe and prosperous life. Moreover, since it becomes possible to install a general combustion appliance, it is possible to save time and effort for management as in the past.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of a first embodiment.
FIG. 2 is an explanatory diagram of a second embodiment.
3 is an explanatory diagram of Embodiment 3. FIG.
FIG. 4 is an explanatory diagram on the air supply / exhaust side in a common duct.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Common duct 2 Air supply opening part 3 Air inflow passage 4 Bottom part 5 Air outflow passage 6 Exhaust opening part 7 Combustion instrument 8 Supply pipe 8a Supply port 9 Exhaust pipe 9a Exhaust port

Claims (3)

In each floor apartment, air inlet of the air supply pipe tied in a forced air supply and exhaust type combustion instrument, opened directly to the apartment during construction built in a building integrated into the inside existing U-type shared duct, an exhaust pipe is launched in the shared duct, the outlet of the upper end, the supply and exhaust of the forced air supply and exhaust type combustion appliances performed using U-type shared duct apartment formed by opening in the vicinity of the exhaust opening of the common duct apparatus. In each floor apartment, the air supply pipe tied in a forced air supply and exhaust type combustion instrument, extending lowered the apartment during construction built in a building integrated into the inside existing U-type shared duct toward the bottom portion, that the air supply port, opened near the bottom of the common duct, exhaust ports, supply and exhaust device of a forced supply and exhaust type combustion appliances performed using U-type shared duct apartment comprising opened directly into the shared duct. In each floor apartment, the air supply pipe tied in a forced air supply and exhaust type combustion instrument, extending lowered the apartment during construction built in a building integrated into the inside existing U-type shared duct toward the bottom portion, that the air supply port, opened near the bottom of the common duct, the exhaust pipe, launched within the common duct, the outlet of the upper end, collective housing formed by opening in the vicinity of the exhaust opening of the common duct U Supply / exhaust device for forced supply / exhaust type combustion appliances using a common type duct.

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