KR102215928B1 - Membrane distillation-based absorption refrigeration apparatus and method - Google Patents

Abstract

One embodiment of the present invention provides a device and a method for performing absorption type refrigeration by using refrigerant vapor generated from distilled absorption liquid by using a membrane distillation method using a hydrophobic membrane. According to an embodiment of the present invention, the membrane distillation-based absorption type refrigeration device comprises: a vaporization unit cooling work fluid by using latent heat of vaporization of a refrigerant; an absorption unit storing absorption liquid absorbing the refrigerant vaporized by the vaporization unit; a regeneration unit having the hydrophobic membrane having pores for absorbing the refrigerant to generate the refrigerant vapor from the distilled absorption liquid; and a condensation unit condensing the refrigerant vapor.

Description

Membrane distillation-based absorption refrigeration apparatus and method {MEMBRANE DISTILLATION-BASED ABSORPTION REFRIGERATION APPARATUS AND METHOD}

The present invention relates to a membrane distillation-based absorption refrigeration apparatus and method, and more particularly, to generate refrigerant vapor from the diluted absorbent liquid using a membrane distillation method using a hydrophobic membrane, and use the generated refrigerant vapor to generate refrigerant vapor. It relates to an apparatus and method for performing refrigeration.

In general, absorption chillers are operated in a refrigeration cycle, and include evaporators, absorbers, low temperature heat exchangers, heat recoverers, high temperature heat exchangers, high temperature regenerators, low temperature regenerators, condensers, etc., and each component is organically connected to each other. .

The regenerator of a conventional absorption chiller is a process of increasing the concentration of lithium bromide in the lithium bromide aqueous solution by heating the diluted lithium bromide (LiBr) aqueous solution by absorbing the refrigerant and evaporating the refrigerant from the absorption liquid, that is, the lithium bromide aqueous solution. It is provided to perform the regeneration process, and separate heating means such as district heating water, solar hot water, geothermal hot water, etc. are required to heat the absorbent liquid in such a regenerator, and if a heat source of about 95 degrees or more is not secured for the regeneration process. There is a problem of lowering energy efficiency.

In the Republic of Korea Patent Registration No. 10-1750649 (name of the invention: absorption chiller), a first regenerator in which an absorbent liquid absorbing a refrigerant is first regenerated; A second regenerator for secondary regeneration of the absorbent liquid primary regenerated from the first regenerator; An auxiliary absorber in which the auxiliary absorbent liquid absorbs the refrigerant evaporated in the second regenerator; An auxiliary regenerator for regenerating an auxiliary absorbent liquid absorbing the refrigerant from the auxiliary absorber; A first connection line extending from the auxiliary regenerator to the second regenerator and flowing hot water; A hot water outlet line extending from the second regenerator to the outside and discharging hot water to the outside; A hot water pipe connected to the first connection line and the hot water outlet line and through which hot water flows in the second regenerator; And a bypass flow path extending from the first connection line to the hot water outlet line, and during partial cooling load operation in which the flow of the second cycle in which the refrigerant circulates the auxiliary absorber and the auxiliary regenerator is stopped, hot water is supplied to the An absorption chiller is disclosed that is bypassed by a bypass flow path.

Korean Patent Registration No. 10-1750649

It is an object of the present invention to solve the above problems, in an absorption refrigeration device, by using a low level of waste heat and district heating water of about 80 degrees or less in a regenerator, solar hot water, geothermal hot water, etc. Is to make this possible.

The technical problem to be achieved by the present invention is not limited to the technical problems mentioned above, and other technical problems that are not mentioned can be clearly understood by those of ordinary skill in the technical field to which the present invention belongs from the following description. There will be.

The configuration of the present invention to achieve the above object, the evaporation unit for cooling the working fluid using the latent heat of evaporation of the refrigerant; An absorption unit in which an absorption liquid for absorbing the refrigerant evaporated by the evaporation unit is accommodated; A regeneration unit including a hydrophobic film having pores to absorb the refrigerant and generate refrigerant vapor from the diluted absorption liquid; And a condensing unit for condensing the refrigerant vapor, wherein the hydrophobic film passes the refrigerant contained in the diluted absorbent liquid to distill the film to generate refrigerant vapor.

In an embodiment of the present invention, the regeneration unit may further include a distillation chamber having a refrigerant passage through which refrigerant vapor flows and an absorption liquid passage through which an absorbent liquid flows by separating the internal space by the hydrophobic film installed therein. .

In an embodiment of the present invention, the regeneration unit may further include an auxiliary layer formed under the hydrophobic layer and provided with a plurality of holes to implement a capillary effect.

In an embodiment of the present invention, the regeneration unit may further include a spray nozzle formed at an inlet of the absorption liquid flow path and spraying the absorption liquid into the absorption liquid flow path.

In an embodiment of the present invention, the regeneration unit may further include a vibrating body formed inside the absorbent liquid flow path and generating vibration.

In an embodiment of the present invention, the distillation chamber may further include a cooling passage generated by separating the inner space of the distillation chamber with a cooling plate so that a cooling fluid for cooling the refrigerant vapor flows.

In an embodiment of the present invention, further comprising a heat exchanger formed between the regeneration unit and the absorption unit and configured to exchange heat with each other while passing the absorbent liquid concentrated through the regeneration unit and the aerated absorbent liquid discharged from the absorption unit. I can.

In an embodiment of the present invention, a plurality of the reproducing units may be formed, and each of the reproducing units may be arranged and connected in series.

In an embodiment of the present invention, a plurality of reproducing units may be formed, and each of the reproducing units may be arranged and connected in parallel.

In an embodiment of the present invention, the regeneration unit may be formed inside the absorption unit.

The configuration of the present invention for achieving the above object comprises: a first step in which an absorbent liquid absorbs and dilutes the refrigerant introduced from the evaporation unit to the absorber; A second step of heating the diluted absorbent liquid while passing through the heat exchanger; A third step in which the refrigerant contained in the absorbent liquid is distilled into a film while the diluted absorbent liquid passes through the regeneration unit to become water vapor and passes through the hydrophobic film; A fourth step of flowing the vapor into the condensing unit, condensing and flowing to the evaporation unit; And a fifth step of cooling the working fluid while the refrigerant condensed in the evaporation unit is evaporated.

The effect of the present invention according to the above configuration is that when a hydrophobic film is installed in the regenerator to generate water vapor from the absorbent liquid by film distillation, it requires a lower temperature of the heat source than the conventional evaporation method. Since high-quality waste heat hot water, solar hot water, and geothermal hot water can be used, it is possible to cool by using hot water in the temperature range that can be discarded as an unused heat source.

In addition, the effect of the present invention is that the structure of the regeneration unit is simplified so that the regenerator can be included in the absorber, or a plurality of miniaturized regeneration units can be arranged and used, thereby miniaturizing the absorption type refrigeration apparatus or according to the required function. The composition can be diversified.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

1 is a schematic diagram of a configuration of an absorption refrigeration apparatus according to an embodiment of the present invention.
2 is a cross-sectional view of a playback unit according to an embodiment of the present invention.
3 is a schematic diagram of an injection nozzle according to an embodiment of the present invention.
4 is a cross-sectional view of a playback unit according to another embodiment of the present invention.
5 is a cross-sectional view of a playback unit according to another embodiment of the present invention.
6 is a schematic diagram of a matter in which a reproduction unit is arranged in series according to an embodiment of the present invention.
7 is a schematic diagram of a matter in which a reproducing unit is arranged in parallel according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be implemented in a number of different forms, and therefore is not limited to the exemplary embodiments described herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and similar reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, bonded)" with another part, it is not only "directly connected", but also "indirectly connected" with another member in the middle. "Including the case. In addition, when a part "includes" a certain component, it means that other components may be further provided, rather than excluding other components unless specifically stated to the contrary.

The terms used in this specification are used only to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or a combination thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance.

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

1 is a schematic diagram of a configuration of an absorption refrigeration apparatus according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of a regeneration unit 100 according to an embodiment of the present invention. In FIGS. 1, 6 and 7, the playback unit 100 is briefly displayed for convenience of description.

1 and 2, the absorption refrigeration apparatus of the present invention includes an evaporation unit 400 for cooling a working fluid by using the latent heat of evaporation of the refrigerant; An absorption unit 200 in which an absorption liquid for absorbing the refrigerant evaporated in the evaporation unit 400 is accommodated; A regeneration unit 100 including a hydrophobic film 110 formed with pores to absorb the refrigerant and generate refrigerant vapor from the diluted absorption liquid; And a condensing unit 300 for condensing the refrigerant vapor. Here, the hydrophobic film 110 may allow the refrigerant vapor to be generated by distilling the film through the refrigerant contained in the diluted absorbent liquid.

In the conventional absorption chiller, the diluted absorbent liquid is heated by using hot water such as district heating water or solar hot water or a burner to heat the diluted absorbent liquid to 95℃ or higher for concentration and regeneration of the diluted absorbent liquid inside. Although a process was required, in the case of using the absorption refrigeration device of the present invention, since it is possible to regenerate the diluted absorbent liquid even at a regeneration temperature of about 80 degrees or less, the regeneration unit 100 using unused waste heat, solar hot water, geothermal hot water, etc. ) Has the advantage of performing the concentrated regeneration process.

The hydrophobic film 110 used for the film distillation is a film made of a polymer-based hydrophobic material, and may be formed of any one material selected from PTFE or PVDF having excellent chemical resistance. However, the present invention is not limited thereto, and other types of polymer materials capable of performing the same function may be used. The refrigerant may be water (H ₂ O), and the absorption liquid may be a lithium bromide solution or a lithium chloride solution.

When the diluted absorbent liquid of 50 to 80° C. passes through the flow path in which the hydrophobic film 110 is formed at a predetermined pressure, a film distillation process in which the refrigerant contained in the diluted absorbent liquid passes through the hydrophobic film 110 is performed. Accordingly, the diluted absorbent liquid is concentrated, and the refrigerant vapor generated by the film distillation process flows to the condensing unit 300 along a pipe and may be condensed.

The regeneration unit 100 is a distillation chamber 120 provided with a refrigerant flow passage 121 through which refrigerant vapor flows and an absorption liquid flow passage 122 through which refrigerant vapor flows by separating the internal space by a hydrophobic film 110 installed therein. It may further include. In addition, as shown in FIG. 2, a steam pipe 160 may be formed at one side of the refrigerant passage 121 in the distillation chamber 120. In addition, in the distillation chamber 120, a dilution pipe 201 through which the diluted absorbent liquid flows is connected to one side of the absorbent liquid flow path 122, and a concentration pipe 202 through which the concentrated absorbent liquid flows to the other side of the absorption liquid flow path 122. Can be formed. The steam pipe 160 may be connected to the condensing unit 300 so that the introduced refrigerant vapor is transmitted to the condensing unit 300.

The dilution pipe 201 and the concentration pipe 202 through which the absorbent liquid flows may be connected to the absorbent liquid passage 122 and at the same time as the absorber 200 as described above.

In addition, the absorption refrigeration apparatus of the present invention is formed between the regeneration unit 100 and the absorption unit 200, and passes through the regeneration unit 100 and the concentrated absorbent liquid and the dilute absorbent liquid discharged from the absorption unit 200 It may further include a heat exchange unit 510 to exchange heat with each other while passing. Here, the heat exchange unit 510 is located between the regeneration unit 100 and the absorption unit 200, and the dilution pipe 201 and the concentration pipe 202 pass through the heat exchange unit 510, and the heat exchange unit 510 As a result, heat exchange between the concentrated absorbent liquid flowing along the concentration pipe 202 and the diluted absorbent liquid flowing along the dilution pipe 201 may be performed. In addition, the heat exchange unit 510 is connected to the heat exchange pipe 511 and may heat the diluted absorbent liquid using hot water flowing from the outside and flowing along the heat exchange pipe 511. This may mean that energy is required from the outside because water vapor absorbs energy while changing a phase during regeneration in the regeneration unit 100. However, there is an effect of being able to be regenerated at a temperature of about 10 degrees lower than the temperature required by the regenerator of the conventional absorption refrigerator.

A pump 520 may be coupled to a portion of the dilution pipe 201 located between the heat exchange unit 510 and the absorption unit 200, and accordingly, the pump 520 may provide hydraulic pressure to the diluted absorbent liquid. I can. The condensation unit 300 and the evaporation unit 400 are connected by a condensation pipe 301 through which the condensed refrigerant flows, and the evaporation unit 400 and the absorption unit 200 are evaporated through which refrigerant vapor, which is an evaporated refrigerant, flows. It can be connected by a pipe 401. In addition, the condensing unit 300 may be coupled to a cooling pipe 531 through which a cooling liquid for condensing the refrigerant flows, and connected to the cooling pipe 531 to cool the cooling liquid 530 may be formed.

The pore diameter of the hydrophobic layer 110 may be 0.2 to 0.5 micrometers (㎛). When the pore diameter of the hydrophobic membrane 110 is less than 0.2 micrometer, the separation efficiency of the refrigerant from the absorbent liquid by the membrane distillation as described above increases, but the pressure drop increases and the amount of refrigerant vapor passing through may be significantly reduced. In addition, when the pore diameter of the hydrophobic layer 110 is greater than a micrometer, a problem in which a part of the absorbent liquid passes through the hydrophobic layer 110 and is mixed with the refrigerant vapor may occur.

The thickness of the hydrophobic layer 110 may be 100 to 200 micrometers (㎛). When the thickness of the hydrophobic layer 110 is less than 100 micrometers, durability of the hydrophobic layer 110 is deteriorated, and the hydrophobic layer 110 may be damaged by an external impact. In addition, when the thickness of the hydrophobic layer 110 is less than 200 micrometers, the thickness of the hydrophobic layer 110 is excessive, and the flow rate of the refrigerant vapor passing through the hydrophobic layer 110 may decrease.

The porosity of the hydrophobic layer 110 may be 80% or more. When the porosity of the hydrophobic layer 110 is less than 80%, the amount of refrigerant vapor flowing through the hydrophobic layer 110 may decrease. The overall efficiency of the absorption refrigerator of the present invention may be lowered.

The regeneration unit 100 may further include an auxiliary layer 130 formed under the hydrophobic layer 110 and having a plurality of holes (in the form of a mesh net or spacer) to implement a capillary effect. The auxiliary layer 130 may be formed of a material having hydrophilicity. Alternatively, the auxiliary layer 130 may be formed of one or more materials selected from the group consisting of polymer, fabric, synthetic resin, ceramic, silica, and silicon.

In order to change the state to facilitate the film distillation of the refrigerant vapor from the absorbent liquid, the auxiliary film 130 passes through the auxiliary film 130 by a capillary effect while the absorbent liquid passes through a plurality of holes so that the hydrophobic film 110 It can be made to contact while spreading finely on the surface of. Accordingly, by improving the evaporation rate of the refrigerant in the diluted absorbent liquid, the amount of refrigerant vapor generated passing through the hydrophobic membrane can be increased.

Here, when the diluted absorbent liquid passes through the holes (mesh net or spacer form) of the auxiliary film 130, a turbulence effect is implemented in the diluted absorbent liquid, thereby reducing the temperature polarization of the diluted absorbent liquid, thereby reducing the hydrophobic film ( 110) As the temperature of the diluted absorbent liquid on the surface increases, the regeneration rate may increase. In addition, the auxiliary film 130 performs a function of supporting the hydrophobic film 110 by being combined with the hydrophobic film 110, and has the same thickness to impart durability to the hydrophobic film 110, which is weakened in durability. I can. In addition, a mesh network may be formed under the auxiliary layer 130 to improve strength for durability of the auxiliary layer 130.

3 is a schematic diagram of a spray nozzle 140 according to an embodiment of the present invention. As shown in FIGS. 2 and 3, the regeneration unit 100 may further include a spray nozzle 140 formed at an inlet of the absorbent liquid passage 122 and sprays the absorbent liquid into the absorbent liquid passage 122. As shown in FIGS. 2 and 3, at least one spray nozzle 140 may be formed, and the diluted absorbent liquid passes through the spray nozzle 140 and is sprayed into the absorbent liquid flow path 122, By being formed into a shape, it can be changed into a state in which it is easy to pass through the hole of the auxiliary layer 130. The diluted absorbent liquid fine particles 10 sprayed by the spray nozzle 140 may increase the surface area to improve the evaporation rate, and accordingly, the amount of refrigerant vapor passing through the hydrophobic film 110 may increase. As a result, the efficiency of the absorption refrigerator of the present invention can be increased.

4 is a cross-sectional view of a reproduction unit 100 according to another embodiment of the present invention. As shown in FIG. 4, the regeneration unit 100 may further include a vibrating body 150 formed inside the absorbent liquid flow path 122 and generating vibration. The diluted absorbent liquid fine particles 10 sprayed on the spray nozzle 140 as described above may be vibrated by the vibrating body 150. The diluted absorbent liquid fine particles 10 receive vibration to increase the momentum, and the diluted absorbent liquid fine particles 10 with increased momentum may have an improved evaporation rate. Accordingly, the amount of refrigerant vapor passing through the hydrophobic film 110 may be increased, and as a result, the efficiency of the absorption chiller of the present invention may be increased.

5 is a cross-sectional view of the playback unit 100 according to another embodiment of the present invention. As shown in FIG. 5, the distillation chamber 120 further includes a cooling channel 123 generated by separating the inner space of the distillation chamber 120 by a cooling plate 170 so that a cooling fluid for cooling the refrigerant vapor flows. can do. Here, the steam pipe 160 may be formed to pass through the cooling flow path 123 and be connected to the condensing part 300.

Specifically, the internal space of the distillation chamber 120 is separated by the hydrophobic film 110 to form a refrigerant flow path 121 and an absorbent liquid flow path 122, and a cooling plate 170 is provided in the space of the refrigerant flow path 121. One of the two spaces generated by the formation may be formed as a refrigerant passage 121 and the other may be formed as a cooling passage 123. However, the present invention is not limited thereto, and an auxiliary chamber may be formed in a portion of the distillation chamber 120 capable of exchanging heat with the refrigerant passage 121 so that the coolant may flow. Here, the cooling liquid flowing through the cooling passage 123 or the auxiliary chamber may be a liquid delivered from the cooling unit 530. The cooling plate 170 may be formed of metal for easy heat transfer.

As described above, since the refrigerant vapor generated in the film distillation of the diluted absorbent liquid can be cooled immediately, and the refrigerant vapor whose temperature has been lowered by cooling is transferred to the condensing unit 300, the efficiency of the condensing unit 300 can be increased. have. In addition, since the refrigerant vapor whose temperature has been reduced as described above can be transmitted to the condensing unit 300, the condensing unit 300 can be miniaturized. At the same time, it is possible to increase the efficiency of the condensing unit 300, as a result, it is possible to increase the efficiency of the absorption refrigerator of the present invention.

The reproduction unit 100 may be formed inside the absorption unit 200. As described above, since a separate external heat source is not supplied to the regeneration unit 100, the regeneration unit 100 can be miniaturized. Accordingly, as indicated by the dotted line in FIG. 1, the regeneration unit 100 is incorporated into the absorption unit 200. ), the absorption refrigerator of the present invention can be downsized. In addition, the miniaturized absorption chiller of the present invention can be easily installed in a vehicle, a ship, or a train.

6 is a schematic diagram of a serial arrangement of the reproducing unit 100 according to an exemplary embodiment of the present invention. As shown in FIG. 6, a plurality of reproduction units 100 may be formed, and each of the reproduction units 100 may be arranged in series and connected. And, FIG. 7 is a schematic diagram of a matter in which the reproduction unit 100 is arranged in parallel according to an embodiment of the present invention. As shown in FIG. 7, a plurality of reproduction units 100 may be formed, and each of the reproduction units 100 may be arranged and connected in parallel. In FIGS. 6 and 7, a dotted arrow may indicate a flow path of an absorbent liquid, and a solid arrow may indicate a flow path of a refrigerant.

As described above, since the reproduction unit 100 can be formed in a simple structure, it can be manufactured in a small size, and accordingly, a plurality of reproduction units 100 can be connected and used. As shown in FIG. 6, when a plurality of regeneration units 100 are arranged and connected in series, refrigerant vapor is generated while the diluted absorbent liquid first passes through one regeneration unit 100, and one regeneration unit ( The diluted absorbent liquid that has passed through 100) then passes through the other regeneration unit 100 to generate refrigerant vapor, so that the diluted absorbent liquid sequentially passes through the plurality of regeneration units 100 to generate refrigerant vapor and the absorbent liquid is concentrated. Can be. And, as shown in Figure 7, in the case of arranging and connecting a plurality of regeneration units 100 in series, the diluted absorbent liquid is simultaneously or separately introduced into each of the plurality of regeneration units 100 to generate refrigerant vapor. The concentrated and concentrated absorbent liquid may be discharged simultaneously or separately from each of the plurality of regeneration units 100 and flow to the condensing unit 300.

Hereinafter, a refrigeration method using the absorption refrigeration device of the present invention will be described.

In the first step, the refrigerant flowing from the evaporation unit 400 to the absorption unit 200 may be absorbed by the absorption liquid and diluted. The diluted absorbent liquid may receive a flow force from the pump 520 and flow along the dilution pipe 201. In addition, in the second step, the diluted absorbent liquid may be heated while passing through the heat exchange unit 510. Here, while the concentrated absorbent liquid whose temperature has been increased by concentration passes through the heat exchange unit 510, heat transfer is performed from the concentrated absorbent liquid to the diluted absorbent liquid, and the heated diluted absorbent liquid flows along the dilution pipe 201 and then sprays. While passing through the nozzle 140, it may be sprayed into the absorption liquid flow path 122.

In the third step, while the diluted absorbent liquid passes through the regeneration unit 100, the refrigerant contained in the absorbent liquid is distilled into a film to become water vapor, and may pass through the hydrophobic film. Here, the diluted absorbent liquid fine particles 10 sprayed from the spray nozzle 140 receive a vibration force from the vibrating body 150 to increase momentum and then evaporate to pass through the hole of the auxiliary membrane 130. Then, the diluted absorbent liquid fine particles 10 pass through the hole of the auxiliary film 130 and then pass through the hydrophobic film 110 to perform film distillation, and the refrigerant particles passing through the hydrophobic film 110 are combined to generate water vapor. Can be.

In the fourth step, water vapor may flow to the evaporation unit 400 after being condensed by flowing into the condensing unit 300. Next, in the fifth step, the working fluid may be cooled while the refrigerant condensed in the evaporator 400 is evaporated. The working fluid can be transferred to an external device and used for cooling the external device.

The above description of the present invention is for illustrative purposes only, and those of ordinary skill in the art to which the present invention pertains will be able to understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative and non-limiting in all respects. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as being distributed may also be implemented in a combined form.

The scope of the present invention is indicated by the claims to be described later, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be interpreted as being included in the scope of the present invention.

10: diluted absorbent liquid fine particles 100: regeneration unit
110: hydrophobic film 120: distillation chamber
121: refrigerant flow passage 122: absorption liquid flow passage
123: cooling flow path 130: auxiliary membrane
140: injection nozzle 150: vibrating body
160: steam pipe 170: cooling plate
200: absorption part 201: dilution pipe
222: concentration pipe 300: condensing part
301: condensation pipe 400: evaporation part
401: evaporation pipe 510: heat exchange part
511: heat exchange pipe 520: pump
530: cooling unit 531: cooling pipe

Claims (11)

An evaporator for cooling the working fluid using the latent heat of evaporation of the refrigerant;
An absorption unit in which an absorption liquid for absorbing the refrigerant evaporated by the evaporation unit is received;
A hydrophobic membrane having pores to generate refrigerant vapor from the diluted absorbent liquid by absorbing the refrigerant, and a refrigerant flow path through which refrigerant vapor flows and an absorption liquid flow path through which the absorbent liquid flows are provided by separating the internal space by the hydrophobic film installed therein A regeneration unit including a distillation chamber and a spray nozzle formed at an inlet of the absorption liquid flow path and spraying the absorption liquid into the absorption liquid flow path; And
Containing; a condensing unit for condensing the refrigerant vapor,
The hydrophobic film is a membrane distillation-based absorption refrigeration apparatus, characterized in that the refrigerant vapor is generated by distilling the film through the refrigerant contained in the diluted absorbent liquid.
delete The method according to claim 1,
The regeneration unit further comprises an auxiliary film formed under the hydrophobic film and provided with a plurality of holes to implement a capillary effect.
delete The method according to claim 1,
The regeneration unit, the membrane distillation-based absorption refrigeration apparatus, characterized in that it further comprises a vibrating body formed inside the absorption liquid flow path and generating vibration.
The method according to claim 1,
The distillation chamber further comprises a cooling channel generated by separating the inner space of the distillation chamber with a cooling plate so that a cooling fluid for cooling the refrigerant vapor flows.
The method according to claim 1,
A membrane distillation-based absorption type, characterized in that it further comprises a heat exchanger formed between the regeneration unit and the absorption unit and configured to exchange heat with each other while passing the absorbent liquid concentrated through the regeneration unit and the aerated absorbent liquid discharged from the absorption unit. Refrigeration device.
The method according to claim 1,
A film distillation-based absorption refrigeration apparatus, characterized in that the regeneration unit is formed in plural, and each of the regeneration units is arranged and connected in series.
The method according to claim 1,
Membrane distillation-based absorption refrigeration apparatus, characterized in that the regeneration unit is formed in plural, and each of the regeneration units is arranged and connected in parallel.
The method according to claim 1,
The regeneration unit, membrane distillation-based absorption refrigeration apparatus, characterized in that formed inside the absorption unit.
In the membrane distillation-based absorption refrigeration method using the membrane distillation-based absorption refrigeration device of claim 1,
A first step of absorbing and diluting the refrigerant flowing from the evaporation unit to the absorption unit;
A second step of heating the diluted absorbent liquid while passing through the heat exchanger;
A third step of distilling the refrigerant contained in the absorbent liquid into water vapor while passing the diluted absorbent liquid through the regeneration unit and passing through the hydrophobic film;
A fourth step of flowing the vapor into the condensing unit, condensing and flowing to the evaporation unit; And
And a fifth step in which the working fluid is cooled while the refrigerant condensed in the evaporation unit is evaporated.

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