JP3084853B2 - Carbonated spring production equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carbonated spring manufacturing apparatus for dissolving a combustion gas containing carbon dioxide gas to obtain hot water or water containing carbon dioxide gas.

[0002]

2. Description of the Related Art Conventionally, this type of carbonated spring manufacturing and hot water supply apparatus includes:
There was one as shown in FIG. In the figure, solid arrows indicate the flow direction of hot water and dashed lines indicate the flow direction of combustion gas.

[0003] A combustion chamber 1 whose upper end in the vertical direction is open to the atmosphere, a combustion means 2 provided on a side surface of the combustion chamber 1 for forming a flame f in a horizontal direction, and a combustion chamber 1 below the combustion means 2 are connected. A hot water storage chamber 3 for storing hot water, a water supply passage 4 for supplying water downward from above in the combustion chamber 1, and a hot water storage chamber 3 for supplying hot water stored in the hot water storage chamber 3 to a predetermined location. A hot water supply path 5 is provided, and a transport device 6 provided in the middle of the hot water supply path 5. And the water passes through the water supply channel 4 and the combustion chamber 1
It is discharged into the inside, and is brought into direct contact with the flame f formed by the combustion means 2 to exchange heat and become hot water in which carbon dioxide in the combustion gas is dissolved. The hot water falls vertically downward and is stored in the hot water storage chamber 3, and then supplied to a predetermined location by the transport device 6 via the hot water supply path 5.

[0004]

However, in the above configuration, the hot water storage room 3 is provided and the hot water storage room 3 is provided.
A transport device 6 for transporting the hot water stored in the apparatus is required, and the equipment volume becomes very large. In addition, the flow rate is insufficient at the time of hot water supply to the second floor or the like because it is cut off from the water supply, and a large flow rate transfer device 6 is required to compensate for the shortage. Further, since water is sprayed into the combustion chamber 1 to perform heat exchange, combustion becomes extremely unstable. Further, since carbon dioxide in the combustion gas is dissolved in water under the atmospheric pressure in the combustion chamber 1, the dissolving efficiency is low and the dissolved carbon dioxide concentration is low. Further, there is a problem that the concentration of carbon dioxide in the hot water changes according to the flow rate of the supplied water.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and provides a high-concentration carbonated spring which is compact and inexpensive and has a high dissolved carbonic acid concentration in hot water or water and has a medical effect of increasing blood flow. The purpose is to keep the concentration of dissolved carbon dioxide in hot water or water constant.

[0006]

Means for Solving the Problems In order to solve the above problems, the first means of the carbonated spring manufacturing apparatus according to the present invention comprises a hot water supply passage through which hot water or water flows, and a combustion gas introduction through which a combustion gas containing carbon dioxide passes. And a combustion gas introduction means provided in a hot water supply path for introducing the combustion gas supplied from the combustion gas introduction path into the hot water supply path and dissolving carbon dioxide in the combustion gas, and supplying hot water or water and hot water or water. Gas-liquid separation means provided downstream of the water supply hot water supply path of the combustion gas introduction means for separating undissolved residual combustion gas, and a discharge path for discharging the residual combustion gas separated by the gas-liquid separation means from the gas-liquid separation means. A combustion gas conveying means provided in the combustion gas introduction path for forcibly conveying the combustion gas flowing in the combustion gas introduction path, and a control means for controlling the combustion gas conveying means.

The second means of the carbonated spring manufacturing apparatus of the present invention is the same as the first means of the carbonated spring manufacturing apparatus of the present invention, wherein water control means for detecting the flow rate of hot water or water flowing in the water supply hot water supply channel is provided. The combustion gas conveying means is controlled according to information from the water amount detecting means.

The third means of the carbonated spring manufacturing apparatus according to the present invention, in the first carbonated spring manufacturing apparatus according to the present invention, further comprises a combustion gas concentration detecting means for detecting the concentration of carbon dioxide in the combustion gas flowing through the combustion gas introduction passage. The control means controls the combustion gas conveying means in accordance with information from the combustion gas concentration detecting means.

A fourth aspect of the carbonated spring manufacturing apparatus according to the present invention is the first aspect of the carbonated spring manufacturing apparatus according to the first aspect of the present invention, wherein the concentration of dissolved carbon dioxide is detected for detecting the concentration of carbon dioxide contained in hot water or water flowing in the water supply hot water supply passage. The means is provided in the hot water supply channel downstream of the gas-liquid separation means, and the control means controls the combustion gas conveying means in accordance with information from the dissolved carbon dioxide concentration detecting means.

[0010]

According to the first aspect of the present invention, a large amount of the combustion gas containing carbon dioxide is conveyed from the combustion gas introduction path to the combustion gas introduction means by the combustion gas conveyance means. On the other hand, hot water or water is supplied to the combustion gas introducing means via a hot water supply channel. Hot water or water is mixed with the combustion gas in the combustion gas introducing means, and heat exchange is performed. At the same time, highly water-soluble carbon dioxide in the combustion gas is dissolved to obtain hot water or water containing carbon dioxide gas. Thereafter, the residual combustion gas not dissolved and the hot water or water in which the carbon dioxide gas is dissolved are separated by the gas-liquid separation means, and the residual combustion gas is discharged from the gas-liquid separation means via the discharge path. Hot water or water containing carbon dioxide gas exits from the gas-liquid separation means and is supplied to a predetermined location such as a shower or a bath via a hot water supply channel. The control means controls the combustion gas conveying means so that the concentration of dissolved carbon dioxide in the supplied hot water becomes a predetermined concentration.

Further, in the second means of the present invention, the flow rate of hot water or water flowing in the water supply hot water supply passage is detected by the water amount detecting means, and when the flow rate of hot water or water exceeds a predetermined flow rate, The combustion gas conveying means is controlled so that the flow rate of the combustion gas flowing in the combustion gas introduction passage increases, and conversely, if the flow rate of hot water or water flowing in the water supply hot water supply passage becomes smaller than a predetermined flow rate, the combustion The combustion gas conveying means is controlled so that the flow rate of the combustion gas flowing in the gas introduction path is reduced, and hot water or water having a predetermined dissolved carbon dioxide concentration is supplied.

Further, in the third means of the present invention, the concentration of carbon dioxide in the combustion gas flowing in the combustion gas introduction path is detected by the combustion gas concentration detecting means, and the concentration of carbon dioxide in the combustion gas is determined by a predetermined value. When the concentration becomes higher than the concentration, the combustion gas conveying means is controlled so that the flow rate of the combustion gas flowing in the combustion gas introduction passage is reduced, and conversely, the concentration of the carbon dioxide in the combustion gas is lower than the predetermined concentration. When the temperature becomes low, the combustion gas conveying means is controlled so as to increase the flow rate of the combustion gas flowing in the combustion gas introduction path, and hot water or water having a predetermined dissolved carbon dioxide gas concentration is supplied.

In a fourth aspect of the present invention, the dissolved carbon dioxide concentration detecting means detects the dissolved carbon dioxide concentration of the hot water or water flowing in the water supply hot water supply passage downstream of the gas-liquid separating means. When the concentration of dissolved carbon dioxide in the combustion gas becomes higher than a predetermined concentration, the combustion gas conveying means is controlled so that the flow rate of the combustion gas flowing in the combustion gas introduction passage is reduced, and conversely, the dissolved carbon dioxide in the hot water or water is controlled. When the gas concentration becomes lower than the predetermined concentration, the combustion gas conveying means is controlled so that the flow rate of the combustion gas flowing in the combustion gas introduction passage is increased, and hot water or water having a predetermined dissolved carbon dioxide gas concentration is supplied. Supply.

[0014]

Embodiments of the present invention will be described below with reference to the accompanying drawings. In the drawing, solid arrows indicate the flow direction of hot and cold water, dashed arrows indicate the flow direction of combustion gas, and dashed lines indicate signal lines. The same components are denoted by the same reference numerals.

FIG. 1 is a schematic configuration diagram of a main part of one embodiment in which the first means of the carbonated spring manufacturing apparatus of the present invention is applied to a water heater. 7 is a combustion fan for supplying combustion air 8
Is a combustion means for mixing and burning the air supplied by the fuel and the fuel supplied by the fuel transfer pipe 9. A combustion chamber 10, a heat exchanger 11, and an exhaust path 12 are sequentially provided downstream from the combustion means 7 in the flow direction of the combustion gas. 1
Reference numeral 3 denotes a hot water supply channel through which hot water flows, and a heat exchanger 11 is provided in the middle of the hot water supply channel 13. Water supply hot water supply channel 13
The water supplied by the heat exchanger 11 is subjected to heat exchange in the heat exchanger 11 to become hot water, and is discharged from the heat exchanger 11. In the middle of the exhaust passage 12, a combustion gas introduction passage 14 is provided branching from the exhaust passage 12 so that a part of the combustion gas flows. The direct pressure type edger 1 is located downstream of the heat exchanger 11 in the water supply hot water supply path 13.
5 is provided to prevent backflow when hot water flows backward in the water supply / hot water supply path 13, and to prevent direct backflow when there is no backflow.
The hot and cold water is allowed to flow with the supply pressure upstream of 5. Downstream of the direct pressure type edger 15, there is provided combustion gas introduction means 16 for introducing combustion gas from the exhaust path 12 through the combustion gas introduction path 14 and mixing it into the hot water, and further downstream of the combustion gas introduction means 16. Gas-liquid separation means 17 for separating combustion gas and hot water is provided on the side. The gas-liquid separating means 17 and the exhaust path 12 are communicated by a discharge path 18. In the middle of the combustion gas introduction passage 14, there is provided a combustion gas conveying means 19 for forcibly conveying a large amount of combustion gas flowing in the combustion gas introduction passage 14 to the combustion gas introduction means 16. Reference numeral 20 denotes a control unit, which controls the combustion gas conveying unit 19.

FIG. 2 shows an example of the combustion gas introducing means 14. Reference numeral 21 denotes a hot water supply inlet which is connected to the direct pressure type edger 15. A hot water supply outlet 22 is connected to the gas-liquid separation means 17. Reference numeral 23 denotes a nozzle, 24 denotes a venturi, and 25 denotes a combustion gas inlet which is connected to the combustion gas introduction passage 14.

In the above configuration, the air supplied by the combustion fan 8 and the fuel supplied by the fuel transfer pipe 9 are mixed by the combustion means 7 to form a flame f in the combustion chamber 10. The combustion gas generated by the flame f exchanges heat with the water supplied from the hot water supply path 13 in the heat exchanger 11, and the combustion gas is cooled to a low temperature and exhausted from the exhaust path 12. A part of the combustion gas is supplied to the combustion gas conveying means 19.
As a result, the fuel gas is guided to the combustion gas introduction means 16 via a combustion gas introduction path 14 provided in a branch from the middle of the exhaust path 12.
The combustion gas in the combustion gas introduction path 14 is conveyed in a large amount to the combustion gas introduction means 16 while the flow rate is adjusted by the combustion gas conveyance means 19.

On the other hand, the water supplied to the heat exchanger 11 becomes hot water and enters the direct pressure type edger 15. In the direct pressure type edger 15, when hot water flows backward in the hot water supply channel 13, backflow is prevented. When there is no reverse flow, hot water flows in the hot water supply channel 13 while maintaining the supplied pressure. Thereafter, the hot water is sent to combustion gas introduction means 16 provided on the downstream side of the hot water supply channel 13 of the direct pressure type edger 15. Combustion gas conveying means 19
The combustion gas conveyed in a large amount by the combustion gas inlet 25 of the combustion gas introduction means 16 through the combustion gas introduction passage 14
And stays around the nozzle 23. In the combustion gas introducing means 16, the hot water is spouted from the nozzle 23 at high speed by the hot water supply pressure, and enters the venturi 24. At this time, the venturi 24 becomes negative pressure due to the ejector effect, and the combustion gas around the nozzle 23 is sucked into the venturi 24. Combustion gas introduction means 16
A large amount of combustion gas is mixed into the hot and cold water in the hot and cold water supply passage 13 due to the two synergistic effects of the high-pressure combustion gas conveyed to the nozzle and the ejector effect provided by the nozzle 23 and the venturi 24. The hot water and the combustion gas that have entered the venturi 24 come into direct contact with the hot water in the venturi 24 and in the water supply hot water supply passage 13 leading to the gas-liquid separation means 17, and the highly water-soluble carbon dioxide in the combustion gas is converted into the hot water. And heat exchange with the combustion gas is performed. Residual combustion gas, which is the remainder of the combustion gas not dissolved in the hot water, enters the gas-liquid separation means 17 and is separated from the hot water, stays in the gas-liquid separation means 17 and stays in the exhaust path 12 via the discharge path 18. Return. On the other hand, the hot water whose temperature has risen due to the dissolution of the carbon dioxide exits the gas-liquid separation means 17 and is supplied to the shower or bathtub through the water supply hot water supply path 13. The control means 20 controls the combustion gas conveying means 19.

With such a configuration, the combustion gas is introduced using the water supply pressure, so that the conventional transport means 6 and hot water storage chamber 3 are not required, and the equipment can be made compact. Further, since the combustion gas is directly dissolved under a high water supply pressure, carbon dioxide can be efficiently dissolved.

Since the flow rate of the combustion gas flowing through the combustion gas introduction passage 14 is adjusted by the combustion gas conveying means 19 and the combustion gas is conveyed to the combustion gas introduction means 16 in large quantities, the concentration of dissolved carbon dioxide in the hot water can be adjusted to a predetermined value. , And the concentration of dissolved carbon dioxide can be increased.

The hot water in which the carbon dioxide gas is dissolved is supplied to a bath or shower, and exerts a heat retaining effect, a fatigue recovery effect, a blood pressure stabilizing effect, and a wound healing effect on the human body by an action of increasing blood flow. Furthermore, since the combustion gas and hot water come into direct contact,
The latent heat of water vapor in the combustion gas can also be recovered and the efficiency can be increased. Further, since carbon dioxide in the combustion gas is dissolved, the emission of carbon dioxide, which causes global warming, can be suppressed.

FIG. 3 shows an embodiment in which the second means of the carbonated spring manufacturing apparatus of the present invention is applied to a water heater. The difference from the embodiment of the first means is that the water supply hot water supply path 13 is provided. Water amount detection means 26 for detecting the flow rate of hot water flowing in the hot water supply path 13 is provided on the way, and the control means 20 controls the combustion gas transport means 19 based on information from the water amount detection means 26. . The other structure is the same as that of the first embodiment.

In the above configuration, when the flow rate of hot water detected by the water amount detecting means 26 is larger than the predetermined flow rate, the control means 20 determines the difference between the predetermined flow rate and the flow rate detected by the water amount detecting means 26. Accordingly, the combustion gas conveying means 19 is controlled so that the flow rate of the combustion gas flowing in the combustion gas introduction passage 14 increases. Conversely, when the flow rate of the hot water detected by the water amount detecting means 26 is smaller than the predetermined flow rate, the control means 20 sets the predetermined flow rate and the water amount detecting means 26
The combustion gas conveying means 19 is controlled so that the flow rate of the combustion gas flowing in the combustion gas introduction path 14 decreases in accordance with the difference from the flow rate detected by the above.

With such a configuration, the flow rate of the combustion gas carried by the combustion gas introduction means 16 is adjusted by the combustion gas conveyance means 19 according to the information obtained by the water amount detection means 26 provided in the middle of the water supply hot water supply passage 13. Therefore, the concentration of dissolved carbon dioxide gas in the hot and cold water flowing in the hot and cold water supply passage 13 can be set to a predetermined concentration.

FIG. 4 shows an embodiment in which the third means of the carbonated spring manufacturing apparatus of the present invention is applied to a water heater. The difference from the first embodiment is that the combustion gas introduction path 14 is different from the first embodiment.
A combustion gas concentration detecting means 27 for detecting the concentration of carbon dioxide in the combustion gas flowing through the combustion gas introduction passage 14 is provided in the middle of the process, and the control means 20 controls the combustion gas conveyance based on information from the combustion gas concentration detecting means 27. That is, the means 19 is controlled. The other structure is the same as that of the first embodiment.

In the above configuration, when the concentration of carbon dioxide in the combustion gas flowing through the combustion gas introduction path 14 detected by the combustion gas concentration detection means 27 is lower than the predetermined concentration, the control means 20 sets the predetermined concentration. In accordance with the difference between the concentration of carbon dioxide and the concentration of carbon dioxide detected by the combustion gas concentration detecting means 27, the combustion gas conveying means 1 increases the flow rate of the combustion gas flowing in the combustion gas introduction passage 14.
9 is controlled. Conversely, when the concentration of carbon dioxide in the combustion gas flowing through the combustion gas introduction passage 14 detected by the combustion gas concentration detection unit 27 is higher than the predetermined concentration, the control unit 20 sets the predetermined carbon dioxide concentration to The combustion gas conveying means 19 is controlled so that the flow rate of the combustion gas flowing in the combustion gas introduction passage 14 is reduced according to the difference from the concentration of carbon dioxide detected by the combustion gas concentration detection means 27.

With such a configuration, the combustion gas introduction path 1
Since the flow rate of the combustion gas to be conveyed to the combustion gas introduction means 16 is adjusted by the combustion gas conveyance means 19 according to the information obtained by the combustion gas concentration detection means 27 provided in the middle of 4, the combustion gas flows through the water supply hot water supply passage 13. The dissolved carbon dioxide concentration of the hot water can be set to a predetermined concentration.

FIG. 5 shows an embodiment in which the fourth means of the carbonated spring manufacturing apparatus of the present invention is applied to a water heater. The difference from the first embodiment is that A dissolved carbon dioxide concentration detecting means 28 for detecting the concentration of carbon dioxide contained in the hot and cold water flowing in the water is provided in the hot water supply channel 13 downstream of the gas-liquid separating means 17.
The control means 20 controls the combustion gas conveying means 19 based on the information from. The other structure is the same as that of the first embodiment.

In the above configuration, if the concentration of dissolved carbon dioxide in the hot water flowing through the water supply / water supply passage 13 detected by the dissolved carbon dioxide concentration detecting means 28 is lower than the predetermined concentration, the control means 20 sets the predetermined dissolved concentration. According to the difference between the concentration of carbon dioxide and the concentration of dissolved carbon dioxide detected by the concentration of dissolved carbon dioxide, the combustion gas transporting means 19 increases the flow rate of the combustion gas flowing in the combustion gas introduction passage 14.
Control. Conversely, if the dissolved carbon dioxide concentration in the hot water flowing through the water supply / water supply path 13 detected by the dissolved carbon dioxide concentration detecting means 28 is higher than a predetermined concentration, the control means 2
0 is set so that the flow rate of the combustion gas flowing through the combustion gas introduction passage 14 is reduced in accordance with the difference between the predetermined dissolved carbon dioxide concentration and the dissolved carbon dioxide concentration detected by the dissolved carbon dioxide concentration detecting means 28. It controls the gas transport means 19.

With such a configuration, the gas-liquid separation means 17
Since the flow rate of the combustion gas to be conveyed to the combustion gas introduction means 16 is adjusted by the combustion gas conveyance means 19 according to the information obtained by the dissolved carbon dioxide concentration detection means 28 provided in the water supply hot water supply path 13 on the downstream side of The dissolved carbon dioxide concentration of the hot water flowing in the hot water supply path 13 can be set to a predetermined concentration. In each of the above embodiments, the case of mixing carbon dioxide in hot water has been described. However, the present invention is also applicable to the case of mixing carbon dioxide in water. At this time, the burner 7 in FIG. The structure must not be heated.

[0031]

As described above, in the carbonated spring manufacturing apparatus of the present invention, the following effects can be obtained. (1) Since the combustion gas is introduced directly into the hot water or water flowing through the hot water supply channel to dissolve the carbon dioxide, the hot water storage room and transport means required by the conventional technology become unnecessary, and the equipment is made very compact. Can be done. Also, since hot water or water can be transported directly using hot water or water supply pressure, the hot water or water can be transported to the second floor or the like without transport means. Further, since the combustion gas is directly dissolved under a high water supply pressure, carbon dioxide can be efficiently dissolved. (2) Since the flow rate of the combustion gas flowing through the combustion gas introduction path is adjusted by the combustion gas conveyance means, and the combustion gas can be conveyed to the combustion gas introduction means in a large amount,
The concentration of dissolved carbon dioxide in hot water or water can be kept constant at a predetermined concentration, and the concentration of dissolved carbon dioxide can be increased. (3) In addition, hot water containing carbon dioxide gas is supplied to a bath or shower, and by taking the hot water, the human body exerts a heat retaining effect, a fatigue recovery effect, a blood pressure stabilizing effect, and a wound healing effect.
Since the carbon dioxide in the combustion gas is dissolved, the emission of carbon dioxide, which causes global warming, can be reduced.
Since the hot water or the water and the combustion gas are in direct contact with each other, the latent heat of water vapor in the combustion gas can also be recovered, and high efficiency can be achieved.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a main part cut of an embodiment when a carbonated spring manufacturing apparatus of the present invention is applied to a water heater.

FIG. 2 is a cross-sectional view of a combustion gas introduction unit in the embodiment.

FIG. 3 is a schematic configuration diagram of a main part cut when a water amount detecting means is provided in a water supply hot water supply channel in another embodiment of the same device.

FIG. 4 is a schematic configuration diagram of a main part cut when a combustion gas concentration detecting means is provided in a combustion gas introduction path in another embodiment of the same device.

FIG. 5 is a schematic configuration diagram of a main part cut in a case where a dissolved carbon dioxide concentration detecting unit is provided in a water supply hot water supply path downstream of a gas-liquid separating unit in another embodiment of the apparatus.

FIG. 6 is a schematic configuration diagram of cutting a main part of a carbonated spring manufacturing apparatus in a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 13 Water supply hot water supply path 14 Combustion gas introduction path 16 Combustion gas introduction means 17 Gas-liquid separation means 18 Discharge path 19 Combustion gas conveyance means 20 Control means 26 Water amount detection means 27 Combustion gas concentration detection means 28 Dissolved carbon dioxide concentration detection means

Continuation of the front page (56) References JP-A-63-242258 (JP, A) JP-A-63-242257 (JP, A) JP-A-3-154616 (JP, A) JP-B-43-19814 (JP, A) , B1) Jikken 50-20018 (JP, Y1) (58) Fields studied (Int. Cl. ⁷ , DB name) B01F 1/00, 3/04

Claims (4)

(57) [Claims] 1. A hot water supply path through which hot water or water passes, a combustion gas introduction path through which a combustion gas containing carbon dioxide passes, and a combustion gas supplied from the combustion gas introduction path is introduced into the hot water supply path to perform combustion. Combustion gas introduction means provided in the water supply hot water supply path for dissolving carbon dioxide in gas; and hot water or water and downstream combustion combustion gas introduction means for separating residual combustion gas not dissolved in the hot water or water. Gas-liquid separation means provided on the side, a discharge passage for discharging the residual combustion gas separated by the gas-liquid separation means from the gas-liquid separation means, and a combustion gas forcibly flowing through the combustion gas introduction passage. A carbonated spring manufacturing apparatus comprising: a combustion gas conveying means provided in the combustion gas introduction path for conveying the gas to the gas introducing means; and a control means for controlling the combustion gas conveying means. 2. A water supply means for detecting the flow rate of hot water or water flowing in a hot water supply channel, wherein the control means controls the combustion gas conveying means in accordance with information from the water quantity detection means. 2. The carbonated spring manufacturing apparatus according to 1. 3. A combustion gas concentration detecting means for detecting the concentration of carbon dioxide in the combustion gas flowing in the combustion gas introduction passage, wherein the control means controls the combustion gas conveying means in accordance with information from the combustion gas concentration detecting means. 2. The method according to claim 1, wherein
The described carbonated spring manufacturing apparatus. 4. A dissolved carbon dioxide concentration detecting means for detecting the concentration of carbon dioxide contained in the hot water or water flowing in the hot water supply water supply passage is provided in the water supply hot water supply passage downstream of the gas-liquid separation means. 2. The carbonated spring manufacturing apparatus according to claim 1, wherein the combustion gas conveying unit is controlled according to information from the gas concentration detecting unit.