JPH0690988A - Apparatus for production of carbonated spring - Google Patents

Abstract

PURPOSE:To provide the apparatus which can exhibit its intrinsic performance throughout all seasons while averting the deterioration of a steam adsorbent by measuring the steam quantity of combustion gases and the dehumidifying capacity of the adsorbent and controlling the introduction of the combustion gases in accordance with the results of the measurement. CONSTITUTION:The combustion gases generated by a hot water feeder are admitted from a three-way valve 37 by the operation of a pump 7 into a heat exchanger 4 where the combustion gases are cooled and predehumidified. The temp. of the combustion gases is detected by a gas temp. sensor 8 and the steam quantity held by the combustion gases is known. Active carmina for steam adsorption is housed in a steam adsorption column and the column is internally cooled by a cooler 47. In addition, the column is internally heated by a heater 10. A temp. sensor 11 detecting the in- column temp. is provided and the dehumidifying capacity of the steam adsorbent is computed by the in-column temp. A dehumidifying capacity measuring means makes computation by using the result of the measurement of the steam quantity and the result of the measurement of the dehumidifying capacity, thereby calculating the total amt. of the combustion gases which can be dehumidified. The introduction of the combustion gases is controlled in accordance with the result of such calculation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided with a concentrating means for concentrating the carbon dioxide gas in the combustion gas containing carbon dioxide gas dehumidified by the dehumidifying means by using an adsorbent, and is produced by this means. The present invention relates to a carbonated spring manufacturing apparatus in which a carbonated spring can be obtained in a bath with concentrated carbon dioxide.

[0002]

2. Description of the Related Art A method of producing a carbonated spring uses a carbon dioxide gas cylinder or tank as a carbon dioxide gas source or a mixture of a carbonate and an acid (carbonate and an acid react in water to generate carbon dioxide). There is. When using a combination of a carbonate and an acid, the composition must always be purchased and prepared, and it is necessary to add it to the bathtub one by one.
It can be said that it is time-consuming. In comparison, the carbon dioxide gas cylinder can be said to be a carbon dioxide gas source capable of supplying carbon dioxide gas for a relatively long time. However, this has a problem that the handling due to the high pressure cylinder is complicated, or the method of obtaining the carbon dioxide gas cylinder is not always simple. Therefore, as a carbon dioxide gas source in a conventional carbonated spring manufacturing device,
There was a problem that there was nothing that could be easily obtained within a short time and could be permanently installed.

In view of the above drawbacks, for example, a concentrating means for concentrating the carbon dioxide gas in a combustion gas containing carbon dioxide gas such as city gas or propane gas by using an adsorbent, and a concentrating means. An apparatus for producing a carbonated spring, which is provided with an air supply means for sending carbon dioxide gas into the bath liquid and is capable of obtaining a carbonated spring in the bath by the concentrated carbon dioxide gas, has been considered. This device is very promising because it can be installed permanently and can continuously supply carbon dioxide gas. This is because the combustion gas generated along with the combustion of the fuel containing hydrocarbon (such as city gas) generated in the combustor such as the water heater can be used.

Air is generally used as the oxygen source required for combustion of gas. In fact, air is also used in this embodiment of the invention. The combustion reaction formula is as follows. CnHm + (n + m / 4 + k) O ₂ + (4n + m + 4k) N ₂ → nCO ₂ + m / 2H ₂ O + kO ₂ + (4n + m + 4k) N ₂・ ・ ・ [However, air The molar ratio of O ₂ and N ₂ is approximately N ₂ / O
₂ = 4. The combustion excess air kO ₂ and 4 kN ₂
Consists of. n and m are natural numbers and k is a positive real number.] The carbon dioxide gas in the combustion gas (the right side of the formula) that is generated next is concentrated, and then it is sent into hot water for bathing, that is, bath liquid. That is, the carbonated spring is artificially revealed by melting the.

Even if the combustion gas of city gas or propane gas is fed into the bath liquid as it is, the concentration of carbon dioxide gas in the bath liquid does not easily exceed 60 ppm. Therefore, carbon dioxide gas is concentrated from the combustion gas using an adsorbent or the like. On the other hand, since water vapor in the combustion gas deteriorates the adsorbent of carbon dioxide gas, a dehumidifying means for removing the water vapor in the combustion gas using the adsorbent is provided before the concentrating means, and the dehumidified combustion gas is used. Is introduced into the concentration means.

That is, in the conventional carbonated spring production apparatus, the combustion gas generated by the combustion of the fuel containing hydrocarbon is dehumidified by using the adsorbent, and then the carbon dioxide gas is adsorbed and separated by another adsorbent, and then the carbon dioxide is removed. The gas is desorbed and supplied to the bath liquid.

[0007]

However, the conventional carbonated spring manufacturing apparatus has a problem in that the original performance is not sufficiently exhibited throughout the four seasons. This is because the introduction time of combustion gas is restricted more than necessary in seasons other than summer. As the combustion gas, exhaust gas from a water heater or a water heater for boiling a bath is usually used. This water heater has the shortest water boiling time (that is, the combustion gas supply period) in the summer when the temperature of the tap water is high, and the combustion gas introduction time of the carbonated spring manufacturing equipment is the short water heating time (hot water supply time) in summer throughout the four seasons. It is set.

On the contrary, in the winter, the temperature of tap water is low and the boiling time (hot water supply time) becomes long. It is possible to extend the introduction time of the combustion gas of the carbonated spring manufacturing equipment in winter. However, as mentioned above, the introduction time of combustion gas is the short boiling time in the summer (hot water supply time) throughout the four seasons.
It is fixed in the area, and in winter, only about half the period during which combustion gas can be introduced is used. The original performance is not fully exerted throughout the four seasons.

However, it is not easy to extend the introduction time of the combustion gas. This is because the dehumidifying capacity of the above dehumidifying means is limited. Exhaust gas from a water heater or water heater is cooled and pre-dehumidified (dehumidification utilizing condensation accompanying cooling) by a heat exchanger for cooling, and then introduced into a dehumidifying means. In the summer, the air originally has a large water content, and the ability of cooling with tap water or the like is reduced, so that the amount of water vapor in the combustion gas is large. The adsorbent is stored in the adsorption tower in an amount suitable for the summer when the amount of water vapor is large. In winter, the air is dry, the temperature of tap water is low, and the cooling is sufficient. Therefore, the amount of water vapor is small, and there should be no problem even if the introduction of combustion gas is extended. However, since the amount of water vapor adsorbed by the adsorbent is not constant, if the combustion gas introduction time is easily extended, the dehumidification capacity will be exceeded, a large amount of water vapor will enter the concentration means, and the carbon dioxide gas adsorbent will adsorb water vapor. A situation occurs in which the carbon dioxide gas adsorption capacity deteriorates.

In view of the above circumstances, it is an object of the present invention to provide a carbonated spring producing apparatus that can sufficiently exhibit its original performance throughout the four seasons while avoiding the deterioration of the carbon dioxide adsorbent.

[0011]

In order to solve the above-mentioned problems, in a carbonated spring manufacturing apparatus according to the present invention, a dehumidifying means for removing water vapor in a combustion gas containing carbon dioxide gas by using an adsorbent, and this dehumidifying means. The concentration means for concentrating carbon dioxide gas in the combustion gas dehumidified by the means using an adsorbent, and the air feeding means for feeding the concentrated carbon dioxide gas into the bath liquid are provided in the bath with the concentrated carbon dioxide gas. In a configuration in which a carbonated spring is obtained, a dehumidifying capacity measuring means for measuring the dehumidifying capacity of the adsorbent of the water vapor is provided, and combustion gas is introduced into the dehumidifying means based on the measurement result of the dehumidifying capacity measuring means. It is controlled. Less than,
The present invention will be described more specifically.

In the carbonated spring manufacturing apparatus of the present invention, the dehumidifying means is usually provided with a water vapor adsorption tower containing a water vapor adsorbent, and this water vapor adsorption tower is provided with a temperature sensor for detecting the temperature inside the tower. Therefore, the dehumidification capacity measurement means obtains the measurement result of the dehumidification capacity by performing calculation using the temperature inside the tower by the temperature sensor. Specifically, for example, the following will occur. The temperature of the water vapor adsorbent (activated alumina) and the water vapor adsorption amount are represented by the function shown by the curve A in FIG. 4, and have a substantially inversely proportional relationship. Curve A
The calculation is performed by substituting the detected temperature in the column (substantially the adsorbent temperature) into a mathematical formula for storing the function represented by. Storage and calculation can be easily realized by using a micro computer.

In the carbonated spring manufacturing apparatus of the present invention, a water vapor amount sensor for measuring the water vapor amount of the combustion gas introduced into the dehumidifying means is provided in front of the dehumidifying means, and the dehumidifying ability measuring means measures the water vapor amount. It is very useful that the calculation is performed using the result and the dehumidification capacity measurement result to calculate the total dehumidifying combustion gas amount, and the combustion gas introduction is controlled based on the calculation result. An ordinary temperature sensor is sufficient as a water vapor amount sensor for measuring the amount of water vapor of combustion gas. Because the combustion gas is in the dew point state, the amount of water vapor can be known by measuring the temperature.

As a concrete form of the control of the combustion gas introduction in the carbonated spring producing apparatus of the present invention, the control of the introduction period of the combustion gas or the control of the introduction amount of the combustion gas per unit time (for example, the delivery of the combustion gas This can be easily achieved by changing the number of driven air pumps or the drive voltage), and further, there is control of both the introduction period of combustion gas and the introduction amount of combustion gas per unit time.

It is also very useful that the dehumidifying means of the carbonated spring producing apparatus of the present invention has a cooling means for cooling the adsorbent of water vapor. As shown in FIG. 4, the dehumidifying capacity of the water vapor adsorbent depends on the adsorbent temperature, and the relationship between the temperature and the total adsorbed amount (Wg), which is the dehumidifying capacity, is obtained through experiments and calculations. On the other hand, at the gas temperature of the combustion gas cooled by the heat exchanger, the absolute humidity (Sg /
m ³ ) is understood. This is because the gas temperature of the combustion gas is the dew point. The relationship between the gas temperature and the absolute humidity may be stored in the device in advance. From the ratio of both (adsorption amount / absolute humidity), the total amount of dehumidifiable combustion gas (T / m ³ ) can be immediately known. Based on this, the introduction time of the combustion gas and the introduction amount per unit time are determined and the combustion gas is fed so that the amount corresponding to the total amount of combustion gas is introduced within the combustion time range of the water heater or water heater. .

The introduction time of the combustion gas and the introduction amount per unit time may be determined based only on the dehumidifying ability of the water vapor adsorbent. It has the disadvantage of having to underestimate the amount possible. When the gas temperature of the combustion gas cooled in the heat exchanger is 25 ° C, the dew point is 25 ° C, so the absolute humidity is 23.6 g / m ³ , and when the gas temperature is 14 ° C, the dew point is 14 ° C, so the absolute humidity is Is 12.2 g / m ³ . When the temperature is low, it is possible to treat the combustion gas twice as much as when the temperature is high. 2 if the carbon dioxide concentration in the combustion gas is the same
Double carbon dioxide will be sent into the bath. Of course,
In winter, when the adsorbent temperature is lower than in summer, a larger amount of combustion gas temperature can be treated.

[0017]

In the carbonated spring producing apparatus of the present invention, the dehumidifying capacity measuring means for measuring the dehumidifying capacity of the adsorbent of water vapor of the dehumidifying means for removing the water vapor in the combustion gas by using the adsorbent,
The combustion gas introduction to the dehumidification means is controlled on the basis of the measurement result of the dehumidification ability measurement means, and the dehumidification ability is monitored while monitoring the dehumidification ability of the adsorbent of water vapor without fixing the combustion gas introduction. Appropriate combustion gas will be introduced in accordance with the season within the range not exceeding.

Since the dehumidifying ability of the water vapor adsorbent has a good correlation with the temperature inside the water vapor adsorption tower, that is, the temperature of the adsorbent, the dehumidifying ability measurement result obtained by calculation using the temperature inside the tower Is reliable. The amount of water vapor of the combustion gas introduced into the dehumidifying means is known by the water vapor amount sensor,
If it seems that the introduction of combustion gas is controlled in consideration of the total amount of dehumidified combustion gas, it is possible to more accurately control the introduction of combustion gas that matches the dehumidification capacity.

The control of the introduction period of the combustion gas is performed, for example, in the winter, when the combustion time is long like a water heater for boiling water, the introduction period of the combustion gas is set longer in accordance with the longer combustion time, and a suitable carbonated spring is long. Allow time to emerge. The amount of combustion gas introduced per unit time can be controlled by, for example, a water heater in which the amount of hot water discharged is constant regardless of the season and the combustion time does not change (although there is a water heater with a different combustion time), in the summer when the combustion time is short, etc. During the burning time, the combustion gas is introduced to the full, and a large amount of concentrated carbon dioxide gas is obtained to enable the appearance of a carbonated spring with a sufficient carbon dioxide concentration.

Since the water vapor adsorbent adsorbs water vapor better when the temperature is lower, cooling the water vapor adsorbent improves the dehumidifying ability.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the drawings showing the embodiments thereof. 1 to 3 are block diagrams showing a carbonated spring manufacturing system using the apparatus of the embodiment. In these drawings, some of the drawings are duplicated so that the connection state between the drawings can be easily understood. In this device, the fuel containing hydrocarbons is city gas.

In this system, as shown in the figure, the combustion gas 3 generated in the water heater 2 using the city gas 1 as fuel is dehumidified through the steam adsorption tower 9 containing activated alumina, and then the carbon dioxide gas of the concentrating means is removed. After the carbon dioxide gas is adsorbed and separated in the adsorption tower 14, next, the adsorbed carbon dioxide gas is desorbed to obtain concentrated carbon dioxide gas, which is passed through the harmful gas removal tower 16 to decompose or adsorb the harmful gas components and A carbonated spring can be obtained by supplying it into the bath liquid (hot water 21) of the bathtub 20.

As shown in FIGS. 1 and 2, a three-way valve 37, a heat exchanger 4 for cooling, a variable flow pump 7, and a valve are provided between the exhaust port of the water heater 2 and the inlet of the water vapor adsorption tower 9. 39
Are installed in order, and the connecting pipes 22, 2 are installed between them.
3, 24, 25, 26, etc. are connected. And
A gas temperature sensor 8 is installed in the middle of the connecting pipe 24. The remaining port of the three-way valve 37 is connected to the outlet of the carbon dioxide adsorption tower 14 by a connecting pipe 30. The connecting pipe 24 is branched on the way, and in order to store the condensed water, a condensed water reservoir 6 having a valve 38 is provided in the lower part. Since the combustion gas 3 has a very high temperature immediately after being generated, the heat exchanger 4 cools the combustion gas 3 by using the cooling water (usually tap water) 5 as a refrigerant. Further, as shown in FIGS. 1 and 3, the inlet of the water vapor adsorption tower 9 has a connecting pipe 3 branched from the connecting pipe 50.
It is connected to the pump 18 via 5.

In the water vapor adsorption tower 9, activated alumina for adsorbing water vapor is contained in the tower, the inside of the tower is cooled by the cooler 47, and the inside of the tower is heated by the heater 10.
A temperature sensor 11 for detecting the temperature inside the tower is also provided, and as described above, the temperature inside the tower by the temperature sensor 11 is used for the calculation when measuring the dehumidifying ability. As shown in FIG. 1, a valve (open / close valve) 4 is provided between the outlet of the water vapor adsorption tower 9 and the inlet of the carbon dioxide adsorption tower 14.
1 is installed, and connecting pipes 27, 29 are provided between them.
Connected by. In order to store the condensed water 13 in the middle of the connecting pipe 27, a condensed water reservoir 12 having a valve 40 at the bottom is connected.

The carbon dioxide adsorption tower 14 is provided with a heater 15 for desorbing adsorbed carbon dioxide, and contains zeolite (carbon dioxide adsorbent). The outlet of the carbon dioxide adsorption tower 14 has a connecting pipe 30 and a three-way valve 4
It is connected to the outside of the system via 2 and to the three-way valve 37 via the connecting pipe 30. Carbon dioxide adsorption tower 1
As shown in FIG. 3, a three-way valve 42, a three-way valve 43, a harmful gas removing tower 16, a three-way valve 44, and a pump 19 are installed in this order between the outlet of No. 4 and the bath 20, and a connecting pipe is provided between them. Connections are made at 30, 31, 32, 33, 34, 36 and the like. The remaining ports of the three-way valves 42 and 43 communicate with the outside of the system, and the remaining ports of the three-way valve 44 are connected to the pump 18 via a connecting pipe 50.

The harmful gas removing tower 16 has a γ supporting platinum.
-Al ₂ O ₃ (adsorbent) is filled and a heater 17 for heating the inside of the harmful gas removing tower 16 is provided. Next, the adsorption process of carbon dioxide gas in the combustion gas during operation of the carbon dioxide spring manufacturing apparatus according to the embodiment will be described.

Combustion gas 3 generated in the water heater 2 is pump 7
Is operated, the heat exchanger 4 enters the heat exchanger 4 through the three-way valve 37 and is cooled and cooled / preliminarily dehumidified. In the heat exchanger 4, the combustion gas 3 is cooled and dehumidified by exchanging heat with the cooling water 5 to such an extent that the temperature of tap water, which is cooling water, becomes a dew point. At this time, valve 3
8 is closed, the dew condensation water generated by dew condensation is stored in the dew condensation water reservoir 6, and after the adsorption process is completed, the valve 38 is opened and discharged to the outside of the system. As described above, the gas temperature sensor 8 detects the temperature of the combustion gas that has been cooled and preliminarily dehumidified so that the amount of water vapor in the combustion gas can be known.

The combustion gas 3 that has been cooled and preliminarily dehumidified enters the water vapor adsorption tower 9 through the connecting pipes 24 and 25 by the operation of the pump 7. Of course, the valve 39 is open at this time. The combustion gas 3 is dehumidified and leaves the outlet of the water vapor adsorption tower 9. As described above, cooling the water vapor adsorbent with the cooler 47 enhances the dehumidifying ability. The dehumidified combustion gas 3 emitted from the outlet of the water vapor adsorption tower 9 is supplied to the valve 4
1 is introduced into the carbon dioxide adsorption tower 14, the carbon dioxide is adsorbed and separated by the carbon dioxide adsorbent, and the remaining non-adsorbed gas 46 is discharged from the outlet of the carbon dioxide adsorption tower 14 by the three-way valve 42.
Is discharged to the outside of the system. The carbon dioxide adsorption process continues for a predetermined period.

The introduction of the combustion gas into the water vapor adsorption tower 9 will be specifically described. The temperature at the start of adsorption in summer is 3
At 0 ° C, as shown in Fig. 4, the adsorbable amount is about 5.5.
wt%. If the total amount of water vapor adsorbent is 9 kg, then 495 g is the adsorbable amount. Further, if the temperature of the combustion gas after passing through the heat exchanger 4 is 30 ° C., the humidity is a dew point of 30 ° C. (absolute humidity 31.5 g / m ³ ), so the total amount of combustion gas that can be dehumidified is (495 g). /(31.5 g / m ³ ) ≈15.
It is 7 m ³ .

When the temperature of the water vapor adsorbent is cooled to 20 ° C. by the cooler 47, as shown in FIG. 4, the adsorbable amount is about 7.5 wt%. Therefore, the total amount of combustion gas that can be dehumidified increases 7.5 / 5.5≈1.4 times. In other words, even if the water temperature in the summer is high and the combustion time is short, assuming that the adsorption efficiency of carbon dioxide is 100%, the amount of carbon dioxide is 1.4 times that of the case without adsorbent cooling. It will be possible to increase.

When the temperature at the start of adsorption in winter is 15 ° C.,
As shown in FIG. 4, the adsorbable amount is about 9.0 wt%.
If the total amount of water vapor adsorbent is 9 kg, 810 g is the adsorbable amount.
Become. Further, the temperature of the combustion gas after passing through the heat exchanger 4 is 15
If it is ℃, the humidity is 15 ℃ (absolute humidity 13.0g /
m³), The total amount of combustion gas that can be dehumidified is (8
10 g) / (13.0 g / m³) ≒ 62.5m³And
It The total amount of combustion gas that can be dehumidified in winter is 62.5m.³
/15.7m³≒ 4, which is four times that in summer. Cooler 47
Combustion gas that can be dehumidified in winter even when used
The total amount is 62.5m ³/(15.7×1.4)m³≒ 2.
8, which is 2.8 times that in summer. 2.8 ~ in winter than in summer
It is possible to send four times as much carbon dioxide to the carbonated spring.

When the combustion time of the water heater 2 is long, the introduction time of the combustion gas is lengthened, the air supply amount of the pump 7 is increased, or the introduction time of the combustion gas is extended and the air supply of the pump 7 is increased. Both the increase in the amount should be carried out just in an amount commensurate with the total dehumidifying processable combustion gas. Next, the desorption process of carbon dioxide gas and the manufacturing process of carbonated spring will be described.

In the desorption process of carbon dioxide gas, the three-way valve 4
2, 43, and 44 are the connecting pipe 30, the connecting pipe 31, and the connecting pipe 3.
1 and the connection pipe 32, and the connection pipe 33 and the connection pipe 34 are in a switching state in which they communicate with each other. By driving the heater 15 and increasing the temperature inside the carbon dioxide adsorption tower 14, the carbon dioxide gas and the harmful gas in the combustion gas (specification of the later harmful gas removing tower 16 with carbon monoxide, nitrogen oxides, etc.) Is a component) is released. On the other hand, the outside air is dehumidified by the operation of the pump 18 through the water vapor adsorption tower 9, enters the carbon dioxide adsorption tower 14, and sends the desorbed gas of the carbon dioxide adsorption tower 14 to the harmful gas removal tower 16 through the three-way valves 42 and 43.

On the other hand, the harmful gas removing tower 16 is preheated to the temperature at which the adsorbent is most activated by the operation of the heater 17, and the harmful components are adsorbed or decomposed to be removed / detoxified. The concentrated carbon dioxide gas is sent to the pump 19 after the harmful gas is removed by the harmful gas removing tower 16. Then, the concentrated carbon dioxide gas is adjusted to an appropriate flow rate by the operation of the pump 19 and sent into the bath 20. As a result, the concentrated carbon dioxide gas containing almost no harmful gas is dissolved in the hot water 21 to provide a safe and physiologically effective carbonated spring to the bather.

The regeneration of the water vapor adsorption tower 9 is as follows. The water heater 2 is stopped in operation, the valves 39 and 41 and the three-way valve 44 are closed, the heater 10 is turned on to heat the inside of the water vapor adsorption tower 9,
Preheat. The desorbed water generated during the preheating is stored in the dew condensation water storage 12 and discharged through the open valve 40.
After that, the three-way valve 37 is operated and the valve 39 is opened, and as the pump 7 is operated, the connecting pipes 22, 2 are connected.
3-Heat exchanger 4-Pump 7-Humidity sensor 8-Steam adsorption tower 9-Valve 40-Vapor vented through the path outside the system, desorbed water vapor and harmful gas are discharged outside the system together with the discharged air. go.

Next, the regeneration process of the harmful gas removing tower for desorbing the harmful substances adsorbed by the adsorbent of the harmful gas removing tower 16 will be described. After the desorption process of the carbon dioxide adsorption tower 14 is completed, the heater 17 is operated to heat it to a temperature at which desorption is most promoted, and the three-way valves 43 and 44 are also used.
Is in a switching state in which the connection pipe 32 and the connection pipe 51 communicate with each other, and the connection pipe 50 and the connection pipe 33 communicate with each other, the valves 39, 40 and 41 are closed, and the outside air is sent by the pump 18 through the connection pipes 50 and 33, and the connection pipe 51 is harmful. Eject with the desorbed gas of the substance.

Instead of the gas temperature sensor 8 of the embodiment, a humidity sensor may be used to measure the amount of water vapor in the combustion gas. In the case of the embodiment, operation control of each of the above valves, heaters, pumps, or the like, or measurement / calculation of dehumidification capacity and steam amount of combustion gas, introduction time of combustion gas, determination of air supply amount of pump, Although unattended operation is performed automatically by a controller (not shown) that uses a microprocessor or the like, the present invention is not limited to this, and it may be possible that a manual operation is partially performed.

In the above embodiment, carbon dioxide gas was sent into the bath liquid in the bathtub, but the bath liquid was drawn out from the bathtub by a pipe, and carbon dioxide gas was sent in the middle of the bathwater and then again in the bathtub. May be returned to.

[0039]

As described above, in the carbonated spring producing apparatus of the present invention, the dehumidifying capacity of the adsorbent for water vapor is monitored without fixing the introduction of the combustion gas, and the dehumidifying capacity is not exceeded. Since proper combustion gas is introduced according to the season, the original performance can be fully exhibited throughout the four seasons while avoiding the deterioration of the carbon dioxide adsorbent.

When the dehumidifying ability of the water vapor adsorbent is obtained based on the temperature inside the tower, the measurement result of the dehumidifying ability is highly reliable. If the introduction of the combustion gas seems to be controlled by measuring the amount of water vapor of the combustion gas and also considering the total amount of the dehumidified combustion gas, the introduction of the combustion gas that is more suitable for the dehumidification ability will be performed.

The introduction period of the combustion gas is controlled, for example, in the winter, the introduction period of the combustion gas is set long, and a suitable carbonated spring can be exposed for a long time. Controlling the introduction amount of the combustion gas per unit time makes it possible to introduce the combustion gas to the full extent during the combustion time even when the combustion time is short, and to reveal a carbonated spring having a sufficient carbon dioxide concentration.

If the water vapor adsorbent seems to be cooled by cooling, the dehumidifying capacity of the dehumidifying means is improved.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration around a dehumidifying means and a concentrating means in a carbonated spring manufacturing system using an apparatus of an embodiment.

FIG. 2 is a block diagram showing a configuration around combustion gas intake in a carbonated spring manufacturing system using the apparatus of the embodiment.

FIG. 3 is a block diagram showing a configuration around a bathtub in a carbonated spring manufacturing system using the apparatus of the embodiment.

FIG. 4 is a graph showing a relationship between an adsorbent initial temperature of water vapor and an adsorption amount.

[Explanation of symbols]

 1 City gas 2 Water heater 3 Combustion gas 8 Gas temperature sensor 9 Water vapor adsorption tower 10 Heater 11 Temperature sensor 20 Bath 47 Cooler

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[Procedure amendment]

[Submission date] January 11, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction content]

In the carbonated spring manufacturing apparatus of the present invention, a water vapor amount sensor for measuring the water vapor amount of the combustion gas introduced into the dehumidifying means is provided in front of the dehumidifying means, and the dehumidifying ability measuring means measures the water vapor amount. It is very useful that the calculation is performed using the result and the dehumidification capacity measurement result to calculate the total dehumidifying combustion gas amount, and the combustion gas introduction is controlled based on the calculation result. A normal temperature sensor is sufficient as a water vapor amount sensor for measuring the amount of water vapor of the combustion gas after heat exchange . Because the combustion gas is in the dew point state, the amount of water vapor can be known by measuring the humidity.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] 0015

[Correction method] Change

[Correction content]

It is also very useful that the dehumidifying means of the carbonated spring producing apparatus of the present invention has a cooling means for cooling the adsorbent of water vapor. As shown in FIG. 4, the dehumidifying ability of the water vapor adsorbent is dependent on the adsorbent temperature, and does not inhibit the temperature and the CO ₂ adsorption of zeolite, which is the dehumidifying ability, in experiments and calculations.
The relationship of the adsorption amount (Wg) with the exhaust dew point of -30 ° C as the breakthrough is determined. On the other hand, the absolute temperature (Sg / m ³ ) of the combustion gas introduced into the dehumidifying means can be found at the gas temperature of the combustion gas cooled by the heat exchanger. This is because the gas temperature of the combustion gas is the dew point. The relationship between the gas temperature and the absolute humidity may be stored in the device in advance. From the ratio of both (adsorption amount / absolute humidity), the total amount of combustion gas that can be dehumidified ( T
m ³ ) is immediately known. Based on this, the introduction time of the combustion gas and the introduction amount per unit time are determined and the combustion gas is fed so that the amount corresponding to the total amount of combustion gas is introduced within the combustion time range of the water heater or water heater. . In addition, above
Note that T, W, and S have a relationship of T = W / S.

[Procedure 3]

[Document name to be amended] Statement

[Name of item to be corrected] 0039

[Correction method] Change

[Correction content]

[0039]

As described above, in the carbonated spring producing apparatus of the present invention, the dehumidifying capacity of the adsorbent for water vapor is monitored without fixing the introduction of the combustion gas, and the dehumidifying capacity is not exceeded. Since proper combustion gas is introduced according to the season, the original performance can be fully exhibited throughout the four seasons while avoiding the deterioration of the carbon dioxide adsorbent. An example
For example, send a sufficient amount of carbon dioxide to the bath on a cold winter day,
You can take a bath in a carbonated spring with a high carbonic acid concentration. bath
If the concentration of carbonic acid is high, blood circulation will improve and
It is very effective and can be weakened.

Claims (6)

[Claims] 1. A dehumidifying unit for removing water vapor in a combustion gas containing carbon dioxide by using an adsorbent, and a carbon dioxide gas in the combustion gas dehumidified by the dehumidifying unit by using an adsorbent. In a carbonated spring manufacturing apparatus, which is provided with a concentration means and an air supply means for feeding the concentrated carbon dioxide gas into the bath liquid, and a carbonated spring is obtained in the bath by the concentrated carbon dioxide gas, An apparatus for producing carbonated spring, comprising dehumidification capacity measuring means for measuring dehumidification capacity, and controlling the introduction of combustion gas to the dehumidification means based on the measurement result of the dehumidification capacity measuring means. 2. The dehumidifying means is provided with a water vapor adsorption tower containing a water vapor adsorbent, and this water vapor adsorption tower is provided with a temperature sensor for detecting the temperature inside the tower, and the dehumidifying capacity measuring means is provided. The carbonated spring manufacturing apparatus according to claim 1, wherein a measurement result of the dehumidifying ability is obtained by performing calculation using the temperature inside the tower by the temperature sensor. 3. A water vapor amount sensor for measuring the water vapor amount of the combustion gas introduced into the dehumidifying means is provided in front of the dehumidifying means, and the dehumidifying ability measuring means has the water vapor amount measuring result and the dehumidifying ability measuring result. The carbonated spring manufacturing apparatus according to claim 1 or 2, wherein a total amount of dehumidified combustion gas is calculated by using the above formula, and the introduction of the combustion gas is controlled based on the calculation result. 4. The carbonated spring producing apparatus according to claim 1, wherein the control of the combustion gas introduction is control of the combustion gas introduction period. 5. The carbonated spring manufacturing apparatus according to claim 1, wherein the control of the combustion gas introduction is control of the introduction amount of the combustion gas per unit time. 6. The carbonated spring manufacturing apparatus according to claim 1, wherein the dehumidifying means has a cooling means for cooling the water vapor adsorbent.