KR100197917B1 - Direct flame type absorptive airconditioner using xeolite and water as absorbent - Google Patents

Abstract

The present invention uses zeolite as a solid adsorbent and water as a refrigerant, and a burner is used for the desorption process of the solid adsorbent to directly transfer heat to the adsorber as a combustion gas to directly adsorb and adsorb the vapor. The apparatus relates to an adsorber (1,2) performing the adsorption process or desorption process, by using a zeolite as a solid adsorbent and water as the refrigerant, respectively, opening and closing the heating passage or the cooling water passage through the internal heat exchangers 1H and 2H. Valves 14-17 are provided between the valves 15 and 17 and the heat exchangers 1H and 2H, and the cooling inlets of the valves 18 and 19 are provided. Cooling outlets of the valves 20 and 21 and hot water outlets are respectively connected between 1H and 2H, and valves 11 and 12 which open and close the hot combustion gas passages to the adsorbers 1 and 2 to which the exhaust passages are connected. The burner 5 passes through the heat exchanger 4H of the condenser 4 to the burner 5. The air supply fan 13 and the evaporator 3 through the floating valve 6 are installed, respectively, the cold inlet and the cold water outlet through the heat exchanger 3H of the evaporator 3, the adsorber (1, 2) Direct adsorption using zeolite and water as adsorbents and refrigerants, characterized in that the evaporator 3 via valves 7 and 8 is connected to the condenser 4 via other valves 9 and 10, respectively. Air conditioning unit.

Description

Direct adsorption air-conditioning system using zeolite and water as adsorbent and refrigerant

1 to 4 are block diagrams of a direct adsorption and heating and cooling apparatus using zeolite and water as adsorbents and refrigerants according to the present invention, and showing the flow of valve operation according to each operation step.

* Explanation of symbols for main parts of the drawings

1,2: adsorber 3: refrigerant evaporator

4: condenser 5: burner

7-12, 14-21: Valve 13: Air supply fan

1H-4H: Heat Exchanger

[Technical Field]

The present invention relates to a direct adsorption air-conditioning and heating system using zeolite and water for cooling and heating using a refrigerant adsorbent desorption action of a solid adsorbent. And a burner in the desorption process of the solid adsorbent, respectively, and a direct adsorption type heating and cooling device capable of desorbing the adsorbed water vapor by directly transferring heat to the adsorber as combustion gas.

[Prior art]

Recently, the air-conditioning equipment is used for cooling and heating in business facilities, sales facilities, research institutes, lodgings, dormitories, hotels, hospitals, public baths, camps, and general buildings. It is manufactured in a package type outdoor and indoor type so that it can be replaced, and its installation is simple and convenient. The adsorption-type air-conditioning apparatus generally uses silica gel, zeolite and activated carbon as adsorbents, and water, ammonia and metaols as refrigerants in a vacuum state in a sealed container, and two adsorbers containing solid adsorbents are parallel. It is installed in the air conditioner to supply cooling water by adsorption process and high temperature heat exchanger by desorption process alternately. Therefore, it is an air-conditioning device as an air conditioner that can obtain continuous cooling and heating output.

The conventional adsorption-type heating and cooling device operated as described above is composed of two adsorbers, a refrigerant evaporator, and a refrigerant condenser.

Among the two adsorbers, cooling water flows through the heat transfer tube of the adsorber in which the adsorption process is in progress, and hot fruits flow in the adsorber in which the desorption process is in progress.

Therefore, in the conventional adsorption-type heating and cooling device, a separate device for sending high temperature fruit to the corresponding adsorber is required, and in order to condense the desorbed high-temperature refrigerant vapor, the refrigerant condenser cools the condenser so that the coolant flows into the condenser. It has an adverse effect on the miniaturization of the system.

[Purpose of invention]

The present invention has been invented to solve the disadvantages of the conventional adsorption-type air-conditioning apparatus as described above, and by adding a burner and an air supply fan to cool the condenser, eliminating the use of the cooling water of the condenser as described above and air-cooling the condenser. It is possible to reduce the size of the whole system, and to use hot water and heating water by using the amount of heat used in the desorption process and add a circulation system in the heat exchange period of the two adsorber to adsorb the hot combustion gas from the desorber after the desorption process. The heat from the adsorber after the adsorption process is used for the cooling process of the adsorber after the desorption process, and the heat of the two adsorber can be recovered and circulated. Zeolite and water can be used as adsorbent and refrigerant to reduce energy use It is an object of the present invention to provide a direct adsorption and heating and cooling device.

[Configuration and Function of Invention]

In order to achieve the above object, a direct adsorption type air-conditioning apparatus using zeolite and water of the present invention as an adsorbent and a refrigerant uses zeolite as a solid adsorbent and water as a refrigerant in the adsorbers 1 and 2 performing the adsorption or desorption process, respectively. Valves 14 to 17 are provided to open and close the heating passage or the cooling water passage through the internal heat exchangers 1H and 2H, and the valve 18 between the valves 15 and 17 and the heat exchangers 1H and 2H. 19 is connected to the cooling outlet and the hot water outlet of the valve 20 and 21 between the valves 16 and 14 and the heat exchangers 1H and 2H, respectively, and the exhaust passage is connected to the adsorber 1. The burner 5 is connected to the air supply fan 13 through the heat exchanger 4H of the condenser 4 through the valves 11 and 12 which open and close the high temperature combustion gas passage. Evaporators 3 through floating valves 6 are respectively installed, and cold inlets and cold exports are performed through heat exchangers 3H of the evaporators 3. It is characterized in that the evaporator 3 via valves 7 and 8 is connected between the adsorbers 1 and 2 and the condenser 4 via other valves 9 and 10, respectively.

EXAMPLE

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 4 are block diagrams of a direct adsorption type air-conditioning apparatus using zeolite and water as adsorbents and refrigerants according to the present invention. The present invention relates to a zeolite adsorbent and water for cooling and heating using a refrigerant adsorption / desorption action of a solid adsorbent. Direct adsorption type air-conditioning system using refrigerant, using zeolite as solid adsorbent, water as refrigerant, and burner 5 in desorption process of solid adsorbent. It is possible to desorb the adsorbed water vapor by transferring heat.

That is, in the direct adsorption type heating and cooling apparatus of the present invention using zeolite as the adsorbent and water as the refrigerant, respectively, two adsorbers 1 and 2, a refrigerant evaporator 3, a condenser 4 and a burner 5 are main components. And an air supply fan 13 for cooling the condenser 4 and burning the burner 5.

The adsorber (1, 2) that performs the adsorption or desorption process uses zeolite as a solid adsorbent and water as the refrigerant, respectively, so that the valve opens and closes the heating passage or the cooling water passage through the internal heat exchangers 1H and 2H. 17 is provided, the cooling inlet through the valve (18, 19) between the valve (15, 17) and the heat exchanger (1H, 2H), the valve (16, 14) and the heat exchanger (1H, 2H) Cooling outlet and hot water outlet are respectively connected through the valve (20, 21).

In addition, the adsorbers 1 and 2 to which the exhaust passages are connected are provided with burners 5 through valves 11 and 12 that open and close the high temperature combustion gas passages. The burner (5) is provided with an air supply fan (13) through a heat exchanger (4H) of the condenser (4), the condenser (4) is provided with an evaporator (3) through a floating valve (6), The cold water inlet and the cold water outlet are connected through a heat exchanger 3H of the evaporator 3. The evaporator 3 is connected between the adsorbers 1 and 2 via the valves 7 and 8, and the condenser 4 via the other valves 9 and 10, respectively.

The valves 6-21 are operated when necessary by a controller (not shown) to open and close the passage.

Therefore, in the present invention, the burner 5 and the air supply fan 13 are added to the condenser 4 to be used for cooling the condenser 4, thus eliminating the use of the cooling water of the condenser 4 as in the prior art, Air cooling can be achieved to reduce the overall size of the system.

In addition, the present invention uses the amount of heat used in the desorption process of the two adsorber (1 or 2) to use hot water and heating water and add a circulation system between the heat exchanger (1H, 2H) of the adsorber (1, 2). The natural combustion is carried out by using the hot combustion gas from the adsorber (1 or 2) that has been desorbed and used for the initial heating of the adsorber (2 or 1) after the adsorption. The natural circulation can be used for cooling the adsorber (1 or 2) after the desorption process to recover and circulate the calorific value of the adsorber (1, 2) to stop the operation of the burner (5) during this natural circulation process. It can save money.

A direct adsorption air-conditioning and heating system using the zeolite and water of the present invention constructed and operated as described above will be described with reference to FIGS. 1 to 4. As shown in FIG. 1 of the two adsorbers 1 and 2, each using zeolite as a solid adsorbent and water as a refrigerant, the adsorber 1 performs the adsorption process and the other adsorber 2 performs the desorption process, respectively. As the cooling water passes through the heat exchangers 1H and 2H of the adsorbers 1 and 2 through the known valves 18 and 19, the coolant passes through the valve 20 as the passage cooling water and through the valve 21. Are each discharged.

First, when the temperature is lowered in the adsorber 1 of the adsorption process and the pressure is reduced to the evaporation pressure, the evaporator valve 7 is opened. At this time, the evaporator 3 evaporates the refrigerant vapor evaporated through the heat exchanger 3H of the cold water passage. Is adsorbed into the adsorber 1 through the open valve 7. In the adsorber 2 of the desorption process, when the temperature rises and the pressure rises to the condensation pressure, the valve 10 is opened. The desorbed refrigerant vapor is introduced into the condenser 4 through the valve 10.

The condenser (4) flows air through the air supply fan (13) to cool the condenser (4) through the heat exchanger (4H), the air obtained heat in the condenser (4) is burned again by the burner (5) Used as air for Therefore, the hot combustion gas discharged from the burner 5 is used in the desorption process of the adsorber 2 through the open valve 12 and then exhausted to the atmosphere. At this time, cooling production is possible by the heat exchanger (3H) of the evaporator (3) passing through the cold water passage from the cold water inlet to the cold water outlet, while hot water is produced by the heat exchanger (2H) in the desorption process adsorber (2) It is discharged through the open valve 21.

Subsequently, as shown in FIG. 2, when the temperature of the adsorber 2 reaches the final desorption temperature and the desorption process is completed, the valves 18 to 21 are closed and the other valves 14 and 15 are opened. The heat in the adsorber 2 then reaches the heat exchanger 1H of the adsorber 1 through open valves 14 and 15 and is used for heating of the adsorber 1. Cooling water is used to cool the adsorber 2 through open valves 16 and 17. Here, in the two adsorbers (1, 2), each heat exchanger (1H, 2H) forms a complete closed circuit via open valves (14-17), where heat is only transferred from the adsorber (2) to the adsorber (1). Move.

As the burner valves 11 and 12 connecting the adsorbers 1 and 2 and the burner 5 are closed during the movement, the combustion of the burner 5 is stopped, thereby reducing the amount of fuel used. . During this process, if the adsorber 2 is cooled and the pressure is lowered to decrease the evaporation pressure, the evaporator valve 8 is opened to change as shown in FIG.

The refrigerant vapor evaporated in the heat exchanger 3H of the evaporator 3 starts the adsorption process in the adsorber 2 through the valve 8 opened and starts cooling production.

As shown in FIG. 3, the adsorber 1 performs the desorption process, and the other adsorber 2 performs the adsorption process, respectively. As the hot combustion gas of the adsorber 1 and 2 circulates, the adsorber ( 1) is heated and the adsorber 2 is cooled.

Then, the air introduced through the air supply fan 13 while the air supply fan 13 and the burner 5 are operated cools the condenser 4 through the heat exchanger 4H, and is heated in the layer shaft machine 4. As it exits, it enters the combustion chamber of the burner 5 and burns.

Therefore, the hot combustion gas discharged from the burner 5 is used to heat up to the desorption temperature in the desorption process of the adsorber 1 through the open valve 112 and then evacuated to the atmosphere. The adsorber 2 is cooled in the heat exchanger 2H by the cooling water supplied to the open valve 19, and the adsorption process proceeds through the evaporator valve 8 as described above to produce cooling. Here, the water vapor condensed through the heat exchanger 4H in the condenser 4 enters the evaporator 3 through the open floating valve 6.

Subsequently, as shown in FIG. 4, when the temperature of the adsorber 1 reaches the final desorption temperature and the desorption process is completed, the valves 18 to 21 are closed and the other valves 14 to 17 are opened again. The heat in the adsorber 1 then reaches the heat exchanger 2H of the adsorber 2 through the open valves 16, 17, which is used for heating the adsorber 2, and the cooling water in the adsorber 2. Is used to cool the adsorber 1 through open valves 14 and 15. Here, in the two adsorbers (1, 2), each heat exchanger (1H, 2H) forms a complete closed circuit through open valves (14-17), where heat is only transferred from the adsorber (1) to the adsorber (2). Move.

As the burner valves 11 and 12 connecting the adsorbers 1 and 2 and the burner 5 are closed during the movement, the combustion of the burner 5 is stopped, thereby reducing the amount of fuel used. . During this process, if the adsorber 1 is cooled and the pressure is lowered to reduce the evaporation pressure, the evaporator valve 8 is opened to return again as shown in FIG.

As described above, the present invention passes through the order of FIG. 1-FIG. 2-FIG. 3-FIG.

Through such a process, a direct adsorption cycle can be achieved, and the miniaturization of the system that achieves air cooling of the condenser 4 using the air supply fan 13 is achieved.

In addition, the hot water and cooling water inside the desorber 1 or 2 having been desorbed and the desorber 2 or 1 that have been desorbed are circulated and the burner 5 is stopped. The efficiency can be improved.

[Effects of the Invention]

As described above, according to the present invention, a burner and an air supply fan are added to be used to cool the condenser, thereby eliminating the use of the cooling water of the same condenser and achieving air cooling of the condenser, thereby reducing the size of the overall system and using the desorption process. It uses the amount of heat to be used as hot water and heating water, and adds a circulation system during the heat exchange period of the adsorber to use the hot combustion gas from the adsorber after the desorption process is used for the initial heating process of the adsorber. The heat from the adsorber can be used for cooling the adsorber after the desorption process to recover and circulate the heat of the adsorber. It is possible to provide a direct flame adsorption air conditioning system.

Claims (2)

In the adsorber (1,2) that performs the adsorption or desorption process, a zeolite is used as a solid adsorbent and water is used as the refrigerant, respectively, to open or close the heating passage or the cooling water passage through the heat exchangers 1H and 2H. 17 is provided, the cooling inlet of the valve (18, 19) between the valve (15, 17) and the heat exchanger (1H, 2H), between the valve (16, 14) and the heat exchanger (1H, 2H) Burner (5) through the valve (11, 12) for opening and closing the high-temperature combustion gas passage to the adsorber (1, 2) connected to the cooling outlet and the hot water outlet of the valve (20, 21), respectively. The burner 5 is provided with an air supply fan 13 through the heat exchanger 4H of the condenser 4 and an evaporator 3 through the floating valve 6, respectively, and the heat exchanger of the evaporator 3 is provided. The cold water inlet and the cold water outlet through the group 3H allow the evaporator 3 through the valves 7 and 8 between the adsorbers 1 and 2 to the condenser 4 through the other valves 9 and 10. ) Each A direct adsorption type heating and cooling device using zeolite and water, each of which is connected to each other, as an adsorbent and a refrigerant. The zeolite and water according to claim 1, wherein the burner (5) is used to transfer the heat directly to the adsorber (1 or 2) as a combustion gas in the desorption step of the solid adsorbent to desorb the sucked water vapor. Direct heating adsorption heating and cooling system using the adsorbent and the refrigerant.