JPH07324789A - Preservation environment setting method for cultural property preservation facility with concrete skeleton - Google Patents

Abstract

PURPOSE:To provide a method for setting an excellent preservation environment for a cultural property, etc., in a storage warehouse such as a museum, an art museum, a data house, etc. CONSTITUTION:A storage warehouse for displaying and preserving an isolated cultural property, etc., is formed of inner walls 3 inside an outer wall 1 of concrete skeleton, an air layer 4 is formed between the walls 1 and 3, an exhaust port 21 is installed in the layer 4, and the air in the layer 4 is merely exhausted. An outlet 7 and a suction inlet 11 are provided in the warehouse. The air conditioned by an air conditioner 26 is supplied to the warehouse, and circulated from the inlet 11. Accordingly, contaminant air of irregular acidic gas in the layer is all discharged into the atmosphere, but not circulated to the conditioner at all.

Description

Detailed Description of the Invention

[0001]

[Field of Industrial Application] The present invention is a storage room for displaying and storing cultural assets and the like, which are completely isolated from the inside of a room formed by an outer wall made of a concrete structure such as a museum, an art museum, and a museum. Is formed by an inner wall, an air layer is formed between the outer wall and the inner wall, air conditioning and ventilation are performed by an air conditioner on the storage, and only air is exhausted for the air layer in the double wall. It is carried out as a method of setting a good preservation environment for cultural assets etc. without leaking contaminated air into the storage by making the air pressure in the double wall negative pressure in the storage. And an improved storage environment setting method.

[0002]

2. Description of the Related Art Conventionally, regarding the construction of museums and the like, the improvement of the environment for the preservation of materials such as cultural assets has been an important issue, and various research and development have been advanced with the progress of the times. There is an increasing number of opportunities to bring in and out museum materials as well as move inside the building, as well as lending and borrowing for mutual exchange with other buildings, and it is essential to establish a mutually unified storage environment. This is because cultural assets should always be kept physically, chemically, and biologically in an absolutely safe and stable environment.

The most important factors that damage cultural property materials are temperature, humidity, contaminated air, light, and fungi. In particular, in the case of a building with a concrete structure, it is known that the alkaline gas generated by the lime-based alkaline component in the concrete composition during drying or the unbalanced acid gas due to the interior material deteriorates cultural assets (especially oil paintings and clothing), Regarding the indoor environment of the storage, it is considered as "unbalanced acid / unbalanced acid gas countermeasures".
Specifically, in the case of a concrete building, it is a big problem to bring in cultural assets immediately after construction, so if it is a method that relies only on natural ventilation, it will be affected by leaving it for about half a year or more after construction and leaving it for about a year. It is considered to carry in the cargo while waiting for it. It is measured that alkali gas leaks from the concrete structure even after 5 or 10 years have passed since it was built, and in some cases it was measured 50 years after construction. As for
Alkali gas and the like are actively excluded. The problem is how to quickly remove alkali gas, etc., and the method of setting the preservation environment along with the architectural style has been studied.

The method of relying only on natural ventilation for setting the storage environment generally tends to have high temperature and low humidity in the refrigerator,
It is easy to cause damage such as cracks and peeling on wooden products, lacquerware, and surface equipment. Therefore, recently, the mainstream is the adoption of a forced air-conditioning system that also serves to maintain the temperature and humidity environment, and the storage environment setting method illustrated in FIG. 2 or FIG. 3 has become a typical method. Both of them form an inner wall 3 inside a room formed by an outer wall 1 made of a concrete structure, which is completely isolated from the room for displaying or storing cultural assets and the like. An air layer 4 is formed between the inner wall 3 and the storage space 2 and the air layer 4 are supplied and ventilated to set a storage environment.

In particular, in the case of FIG. 2, an air conditioner 5 dedicated to the storage and an air conditioner 6 dedicated to the air layer are provided in parallel,
Air outlets 7 and 8 connected to each other by air supply pipes 9 and 10 are installed in the storage 2 and the air layer 4 to supply air. On the other hand, the suction port 11 provided in the storage 2 is connected to the air conditioner 5 dedicated to the storage by the return air pipe 12, and the suction port 1 provided in the air layer 4 is connected.
A return air pipe 14 is connected to an air conditioner 6 dedicated to the air layer to return air. In short, it is a storage environment setting method that makes full use of a dedicated air conditioner.

In the storage environment setting method shown in FIG. 3, the air supply pipe 16 of one air conditioner 15 is connected to the outlet 7 in the storage 2,
And the air outlet 4 in the air layer 4 are commonly connected to supply air. Similarly, the suction port 11 in the storage 2 and the suction port 13 in the air layer 4 and the air conditioner 15 are connected in common by a return air pipe 17 to return air. However, an outside air blower 19 is provided at the outside air intake 18 of the air conditioner 15, and an exhaust fan 20 is provided at an intermediate position of the return air pipe 17,
When the weather conditions of the outside air are good, mechanical ventilation is performed through an air filter of the air conditioner 15.

[0007]

The conventional preservation environment setting method shown in FIGS. 2 and 3 is based on the concrete outer wall 1
Contaminated air in the air layer 4 from which alkali gas leaks from the air is returned to the air conditioner 6 or 15, so the deterioration of the filter (chemical substance removal filter) of the air conditioner progresses rapidly, and the filter However, there is a drawback that the running cost for the replacement is high. For example, replacement of filters is done about once a year, and there are cases where the replacement cost is about 10 million yen at a medium-sized museum.

Further, as described above, since the air conditioning in the storage 2 and the air conditioning in the air layer 4 are performed separately from each other, the contaminated air mixed with the alkali gas in the air layer 4 may be stored. There is a possibility that it will leak into the inside of 2, and there is concern about the effect and accuracy of air conditioning. Therefore, the object of the present invention is that there is no possibility that the contaminated air mixed with the alkali gas in the air layer will leak toward the storage, and all the contaminated air mixed with the alkali gas in the air layer will be released into the atmosphere. And do not recirculate to the air conditioner at all, prevent damage to the filter,
It is possible to dramatically reduce the frequency of filter replacement, and to provide a method of setting the preservation environment in cultural property preservation facilities.

[0009]

[Means for Solving the Problems] As a means for solving the above-mentioned problems of the prior art, a method for setting a preservation environment in a preservation facility for cultural properties by a concrete structure according to the present invention uses an outer wall 1 made of a concrete structure. Inside the formed room, a storage space 2 for displaying and storing cultural properties and the like, which is completely isolated from the room, is formed by an inner wall 3, and an air layer 4 is formed between the outer wall 1 and the inner wall 3. In the method of supplying air to and ventilating the storage 2 and the air layer 4 to set a storage environment, an exhaust port 21 is installed in the air layer 4, and an exhaust fan 22 is provided at one end of which is opened to the atmosphere. The exhaust pipe 24 is connected to the exhaust port 21 so that the air in the air layer 4 is only exhausted.
And a suction port 11, the air outlet 7 is connected to an air conditioner 26 by an air supply pipe 27, the suction port 11 is connected to the air conditioner 26 and a return air pipe 28, and an air conditioner is installed in the storage 2. It is characterized in that conditioned air is supplied at 26 and return air is performed from the suction port 11.

Exhaust gas in the air layer 4 in the present invention,
The supply air and the return air in the storage 2 are characterized in that the air pressure in the air layer 4 is always kept lower than the air pressure in the storage 2.

[0011]

The polluted air mixed with the alkali gas in the air layer 4 is positively exhausted to the atmosphere through the exhaust pipe 24. In particular, by driving the exhaust fan 30,
The air in the air layer 4 is forcibly sucked and removed, and the air layer 4
The inside can be maintained in a negative pressure state below atmospheric pressure.

On the other hand, since air conditioning of the closed circulation by the air conditioner 15 is performed into the storage 2 through the air outlet 7 and the air inlet 11, constant temperature and constant humidity treatment, which is suitable for displaying and storing cultural properties, and Various pollution factors generated from the inner wall 3, the interior material, and the base material are removed by the chemical substance removal filter 36 and the dust removal filter 35 of the air conditioner 26. In any case, the inside of the storage 2 is kept at the atmospheric pressure or a positive pressure state equal to or higher than the atmospheric pressure, and as described above, air may leak into the air layer 4 in the negative pressure state. There is no concern about unbalanced / unbalanced acid contaminated air mixed with alkali gas in 4 leaking into the storage 2 (backflow). Therefore, the possibility that the filter of the air conditioner 15 is damaged by the unbalanced acid and the unbalanced acid gas is significantly reduced as compared with the conventional method.

[0013]

EXAMPLES Next, examples of the present invention shown in FIG. 1 will be described. In the case of FIG. 1 as well, inside the room formed by the outer wall 1 made of a concrete structure, a storage room 2 for displaying and storing cultural properties and the like, which is completely isolated from the room, is formed by the inner wall 3 and the outer wall 1 The air layer 4 is formed between the inner wall 3 and the inner wall 3, and the storage environment is set by supplying and ventilating the storage 2 and the air layer 4. However, only the exhaust port 21 is installed in the air layer 4, and the exhaust pipe 24 is connected to this. The other end of the exhaust pipe 24 is connected to the discharge port 23 opened to the atmosphere, and the exhaust fan 22 is provided at a position slightly before this. In short, the exclusive exhaust fan system is configured, and the air in the air layer 4 is only exhausted by the exhaust fan 22.

On the other hand, an outlet 7, a suction port 11 and an exhaust port 25 are provided in the storage 2, and the outlet 7 is connected to an air supply port of an air conditioner 26 by an air supply pipe 27 so that the air is sucked in. The port 11 is the intake port of the air conditioner 26 and the return pipe 2
8 are connected. Thus, the air conditioned by the air conditioner 26 is supplied to the storage 2 from the air outlet 7 and the air is returned from the suction port 11.

In the case of FIG. 1, two air conditioners 26 are provided in parallel to enable parallel or independent alternate operation, and a system for backing up when any one of them fails is adopted. Since the intake air from the outside air intake 33 and the recirculation air from the return air pipe 28 are taken into each air conditioner 26, the air pressure of the storage is increased by the amount of the outside air taken in. The illustrated air conditioner 26 includes a pre-filter 34, a high-performance filter 35 for removing dust and bacteria, a chemical substance removal filter (chemical filter) 36 for removing unbalanced acid / unbalanced acid gas, and a cold / hot water coil for temperature control. Three
7. This is a configuration including an electrode type humidifier 38 for humidity adjustment. The electrode type humidifier (terminal reheat unit) 39 is provided at an intermediate position of the air supply pipe 27.

Although the method of the present invention discharges the polluted air mixed with unbalanced caustic acid and unbalanced acid gas in the air layer 4 from the discharge port 23 to the atmosphere, this polluted air is currently used for the construction and drying of concrete buildings. It is similar to the one that occurs at times and does not cause any particular air pollution.

[0017]

EFFECTS OF THE INVENTION According to the storage environment setting method of the present invention, there is no possibility that contaminated air mixed with unbalanced caustic acid / unbalanced acid gas in the air layer will leak into the storage room. It is possible to stably set an environment suitable for displaying and storing cultural assets. In addition, all the polluted air of unbalanced acid and unbalanced acid gas in the air layer is released into the atmosphere and is not returned to the air conditioner, so deterioration of the filter is reduced and the service life of the filter is significantly extended. The maintenance fee and running cost can be reduced and the economy can be improved.

[Brief description of drawings]

FIG. 1 shows an embodiment of a storage environment setting method of the present invention,
It is the sectional view which simplified and showed the preservation facility, such as a cultural property, by a concrete structure.

FIG. 2 is a system diagram showing a simplified example of a conventional storage environment setting method.

FIG. 3 is a system diagram showing a simplified example of a conventional different storage environment setting method.

[Explanation of symbols]

 1 Outer Wall 2 Storage Cabinet 3 Inner Wall 4 Air Layer 21 Exhaust Port 24 Exhaust Pipe 22 Exhaust Fan 7 Air Outlet 11 Suction Port 25 Exhaust Port 26 Air Conditioner 27 Air Supply Pipe 28 Return Air Pipe 30 Exhaust Fan 32 Exhaust Pipe

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[Procedure amendment]

[Submission date] June 2, 1994

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 1

[Correction method] Change

[Correction content]

[Figure 1]

Claims (2)

[Claims] 1. Inside a room formed by an outer wall made of a concrete structure, a storage space for completely displaying and storing cultural properties and the like, which is completely isolated from the room, is formed by the inner wall, and between the outer wall and the inner wall. In the method of forming an air layer in the storage space and setting a storage environment by supplying air and ventilation to the storage, an exhaust port is installed in the air layer, and one end of the storage space is provided with an exhaust fan provided in the atmosphere. An exhaust pipe is connected to the exhaust port so that the air in the air layer is only exhausted. An outlet and an inlet are provided in the storage, and the outlet is connected to an air conditioner by an air supply pipe. Is connected to the air conditioner by a return air pipe, supplies air that has been conditioned by the air conditioner to the storage, and returns air from the suction port, in a cultural property preservation facility with a concrete structure. Saving environment setting method. 2. Exhaust in the air layer according to claim 1,
Supplying and returning air in the storage is to keep the air pressure in the air layer lower than the air pressure in the storage at all times, and set the preservation environment in the preservation facility for cultural properties by the concrete structure. .