KR101343466B1 - Absorbent refrigeration using middle warm water - Google Patents

Abstract

The present invention provides an absorption refrigerator using medium temperature hot water comprising; a housing which forms evaporation absorption and high temperature regeneration spaces to perform heat exchange using heated medium temperature hot water and to provide cool water; a division plate which divides the evaporation absorption space of vacuum state into an absorption area and an external evaporation area as a double pipe shape; a cool water heat exchange coil which is installed as the shape which winds up the outer circumference surface of the division plate several times as a spiral type and discharges the cool water after the water circulates; a refrigerant supplying pipe which is installed to spray a refrigerant toward the cool water heat exchange coil in the evaporation area; an absorption liquid which is stored in the absorption area and absorbs evaporated vapor of the refrigerant which is sprayed through the refrigerant supplying pipe; a absorption liquid supplying pipe which transfers the absorption liquid stored in the absorption area toward the high temperature regeneration space and sprays it; a medium temperature hot water heat exchange coil which is installed in the high temperature regeneration space and is formed so that the medium temperature hot water heated by a solar heat flows the inner side and performs the heat exchange with the absorption liquid which is sprayed through the absorption liquid supplying pipe; a refrigerant collecting pipe which supplies the vapor of the refrigerant located on the upper side of the high temperature regeneration space to the lower side of the absorption area; and an absorption liquid collecting pipe which re-supplies the absorption liquid collected in the lower side of the high temperature regeneration space to the upper side of the absorption area. [Reference numerals] (72) Ultrasonic vibrator; (AA) High temperature reproduction device; (BB,CC) Medium temperature hot water; (DD) Evaporator+absorber; (EE,FF) Cool water

Description

Absorbent Refrigeration Using Middle Warm Water

The present invention relates to an absorption type refrigerator using medium temperature water, and more particularly, using medium temperature water capable of performing heat exchange using medium temperature water heated using solar heat and cooling by providing cold water. It relates to an absorption chiller.

In general, the absorption chiller is composed of a regenerator, a condenser, an evaporator, an absorber, and the like. Water is mainly used as a refrigerant, and a lithium bromide (LiBr) aqueous solution is mainly used as an absorption liquid.

The evaporator maintains a vacuum at a pressure lower than atmospheric pressure to cool the temperature of the water supplied by heat exchange while the refrigerant evaporates to provide cold water, and the absorber is evaporated to maintain the vacuum at low pressure inside the evaporator. It is made to absorb the vapor (water vapor) of the refrigerant by using the absorbent liquid, the regenerator is made to absorb the vapor of the refrigerant to dilute the absorbent liquid to concentrate the concentration again to supply to the absorber, the condenser is to heat the absorbent liquid in the regenerator Accordingly, the vapor of the refrigerant evaporating is cooled again to condense and supplied to the evaporator.

Where the cold water for use for the actual refrigeration and cooling, etc. is made to provide an evaporator, the absorber, regenerator, condenser is a device used to effectively maintain the vacuum state so that the cooling performance of the evaporator is always effective.

Republic of Korea Patent Publication Nos. 10-2000-0074113, 10-2012-0002644, 10-2012-0085582, Patent No. 10-0374225 and the like disclose various technologies for the absorption chiller.

The present invention is to provide a new concept of the absorption chiller of the structure different from the conventional absorption chiller, it is possible to perform the heat exchange using the medium temperature water (heavy water) heated using solar heat and to provide cooling water to cool and the like. In addition, the cooling tower and the condenser and the evaporator and the absorber are integrated to simplify the overall structure as well as to provide an absorption chiller using mid-temperature water to install an ultrasonic vibrator to improve the refrigeration efficiency, the purpose is.

Absorption type refrigerator using medium temperature water according to an embodiment of the present invention is a cylindrical housing in which the inner space is divided up and down in a state that is sealed to each other, the evaporative absorption space is formed at the bottom and the high temperature regeneration space is formed at the top, A partition plate for dividing the vacuum evaporation absorption space formed at the bottom into a double tube shape into an internal absorption zone and an external evaporation zone, and is installed in the evaporation zone and wound around the partition plate outer circumferential surface a plurality of times. A cold water heat exchange coil discharged after circulating cold water for cooling, a refrigerant supply pipe installed to inject a refrigerant from the upper portion toward the cold water heat exchange coil in the evaporation zone, and stored in the absorption zone and injected through the refrigerant supply pipe Absorbent liquid for absorbing vapor evaporated from the refrigerant, and An absorbent liquid supply pipe for pumping the absorbent liquid to be injected into the high temperature regeneration space and injected from the upper side, and the middle temperature water installed in the high temperature regeneration space and heated by solar heat are injected through the absorbent liquid supply pipe. A hot water heat exchange coil configured to perform heat exchange with the absorbent liquid, a refrigerant recovery pipe for supplying vapor of the evaporated refrigerant located above the hot regeneration space to the cold water heat exchange coil from above the evaporation zone, and the high temperature regeneration space And an absorbent liquid collection tube for resupplying the absorbent liquid collected at the bottom of the upper portion of the absorbent region.

The refrigerant supply pipe is provided with a refrigerant pump for pumping the refrigerant collected under the evaporation zone.

The absorbent liquid supply pipe is provided with an absorbent liquid pump for pumping the absorbent liquid collected under the absorbent zone.

An ultrasonic vibrator may be installed below the high temperature regeneration space to promote evaporation of the refrigerant contained in the absorbent liquid.

It is also possible to install an ultrasonic vibrator below the absorption zone to facilitate absorption of the absorption liquid vapor from the refrigerant.

The upper surface of the housing constituting the ceiling of the high temperature regeneration space is composed of a conical condensation plate.

The upper surface of the condensation plate is installed in the shape of winding a band-shaped heat exchanger with a spiral, and configured to cool the condensation plate while cooling water flows along the heat exchanger plate of the spiral.

When the upper surface of the condensation plate is covered with a cover plate, a spiral flow path is formed between the condensation plate and the cover plate by a heat exchanger plate wound in a spiral shape, and cooling water is poured from above to the conical vertex of the condensation plate. When supplied, the coolant flows down the conical plane from the vertex along this flow path and flows down the conical base.

The absorption chiller using mesophilic water according to an embodiment of the present invention is provided to the absorption zone so as to exchange heat with the absorption liquid re-supplied through the absorption liquid collection pipe and the absorption liquid stored below the absorption zone while cooling water is circulated therein. A cooling water heat exchange coil installed to spirally wind the inner circumferential surface of the partition plate, and a cooling water transfer pipe installed to supply cooling water flowing down to the bottom surface of the conical shape of the condensation plate to the cooling water heat exchange coil, and from the cooling water heat exchange coil. It is also possible to further include a cooling water supply pipe that is installed to supply the discharged cooling water above the conical vertex of the condensation plate.

The cooling water transfer pipe is provided with a cooling water pump to pump the cooling water.

And the absorption chiller using the hot water according to an embodiment of the present invention further forms a condensation cooling space in the upper portion of the housing in a state in which the hot regeneration space and the closed each other, for partitioning the condensation cooling space and high temperature regeneration space It is also possible to form and install a condensation plate in a conical shape, and to install a heat exchanger for performing heat exchange with cooling water on the upper portion of the condensation cooling space.

The cooling water is supplied from the upper portion of the condensation plate and flows down along the condensation plate, and the cooling water stored in the lower portion of the condensation cooling space flowing along the condensation plate is injected and sprayed from the upper side of the heat exchanger to exchange heat. It is also possible to comprise so that.

And a cooling water transfer pipe installed to supply cooling water stored in the lower portion of the condensation cooling space to the cooling water heat exchange coil, and installed with a cooling water pump for pumping the cooling water, and cooling water discharged from the cooling water heat exchange coil in the condensation cooling space. It is also possible to further include a cooling water supply pipe is installed to be supplied to be injected from the heat exchanger.

According to the absorption chiller using mesophilic water according to an embodiment of the present invention, since the absorption liquid is regenerated using mesophilic water heated by solar heat, it is possible to efficiently provide cold water using solar heat, and to perform cooling and the like. It is possible.

In addition, according to the absorption chiller using warm water according to the embodiment of the present invention, it is possible to install an ultrasonic vibrator to promote the evaporation of the absorbent liquid and the absorption of the refrigerant vapor, it is possible to greatly improve the regeneration efficiency of the absorbent liquid, evaporation It is possible to efficiently maintain the vacuum of the absorption space.

In addition, according to the absorption chiller using warm water according to the embodiment of the present invention, since the evaporator and the absorber can be integrally formed in one evaporation absorption space, the overall structure can be simply configured.

According to the absorption chiller using the warm water according to the embodiment of the present invention, since the condenser and the cooling tower can be integrally formed, it is possible to simply configure the overall structure.

And according to the absorption chiller using the hot water according to an embodiment of the present invention, it is possible to manufacture so that the condenser and the cooling tower can be separated from the high temperature regenerator, it is possible to simply change the structure as needed.

Furthermore, according to the absorption chiller using hot water according to the embodiment of the present invention, since the cold water heat exchange coil, the hot water heat exchange coil, and the cold water heat exchange coil are formed by spirally wound in a cylindrical shape, it is possible to increase the contact area, Efficiency is greatly improved.

1 is a cross-sectional view conceptually illustrating an absorption chiller using mesophilic water according to an embodiment of the present invention.
Figure 2 is a perspective view conceptually showing the structure of the condensation plate and the heat exchanger plate in the absorption chiller using the hot water according to an embodiment of the present invention.
Figure 3 is a cross-sectional view conceptually showing an absorption chiller using warm water according to another embodiment of the present invention.
Figure 4 is a perspective view conceptually showing the structure of the condensation plate and the heat exchanger plate in the absorption chiller using the hot water according to another embodiment of the present invention.

Next, a preferred embodiment of the absorption chiller using warm water according to the present invention will be described in detail with reference to the accompanying drawings.

The present invention can be embodied in various forms and is not limited to the embodiments described below.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings, wherein like numerals refer to like elements throughout.

First, as illustrated in FIG. 1, an absorption chiller using mesophilic water according to an embodiment of the present invention includes a cylindrical housing 10 in which an evaporative absorption space is formed at a lower portion thereof and a high temperature regeneration space is formed at an upper portion thereof. It is done by

The housing 10 has a plurality of internal spaces are formed in a sealed state with each other.

For example, the evaporative absorption space formed below the inside of the housing 10 and the high temperature regeneration space formed above are formed in a sealed state.

In addition, the housing 10 has a structure in which the first stage housing 12 and the second stage housing 14 may be fastened and separated as necessary.

That is, the first end housing 12 and the second end housing 14 are integrally assembled and separated from each other.

The first stage housing 12 and the second stage housing 14 are each formed in a cylindrical shape (for example, a cylindrical shape) and installed.

For example, the first stage housing 12 and the second stage housing 14 may be formed in a cylindrical shape and installed in a vertically standing state, respectively, and the top and second stage housings of the first stage housing 12 may be installed. The lower surface of (14) is fastened and fixed using a bolt or the like in contact with each other.

An evaporative absorption space is formed in the first stage housing 12, and a high temperature regeneration space is formed in the second stage housing 14.

The first end housing 12 is formed in a tubular shape having a bottom and an open top to form an evaporative absorption space.

The second stage housing 14 is formed in a tubular shape in which an intermediate portion is blocked and an upper surface is blocked so as to form a high temperature regeneration space therein while forming an evaporative absorption space therebetween.

In addition, the partition plate 82 is divided into a first tube housing so as to divide the vacuum evaporation absorption space formed in the first stage housing 12 of the housing 10 into a double tube shape between an internal absorption zone and an external evaporation zone. 12) Install inside.

The partition plate 82 is formed in a cylindrical shape and installed in a state standing on the bottom of the first end housing 12.

The partition plate 82 is set to a height smaller than the height of the evaporation absorption space so that the upper portion of the absorption zone and the evaporation zone communicate with each other.

If the partition plate 82 is installed as described above, the inside of the partition plate 82 becomes an absorption zone, and is between the partition plate 82 and the inner surface of the cylinder of the first stage housing 12 (outside of the partition plate 82). Becomes the evaporation zone.

The absorption liquid 30 is stored in the lower portion of the absorption zone, and the refrigerant 40 is collected in the lower portion of the evaporation zone.

Cold water heat exchange coil 64 is installed in the evaporation zone.

Cold water used for freezing or cooling is circulated inside the cold water heat exchange coil 64.

One end of the cold water heat exchange coil (64) is connected to the cold water inlet pipe (62) into which cold water for cooling is introduced, and the other end of the cold water supply pipe (66) for supplying cold water cooled to a temperature where necessary. This is connected.

The cold water supplied through the cold water supply pipe 66 is used to perform freezing, cooling, cooling, and the like.

The cold water heat exchange coil 64 is installed in the shape of spirally winding the outer circumferential surface of the partition plate 82 a plurality of times.

The cold water heat exchange coil 64 is configured to form a cylindrical shape as a whole.

In the evaporation zone, a coolant supply pipe 44 is installed to spray the coolant 40 collected at the bottom toward the cold water heat exchange coil 64 from above.

A semicircular shape along the circumference of the cold water heat exchange coil 64 such that the coolant 40 sprayed between the discharge port of the refrigerant supply pipe 44 and the upper surface of the cold water heat exchange coil 64 is evenly provided toward the cold water heat exchange coil 64. It is also possible to provide a coolant receiver 45 having a cross section and having a plurality of holes formed therein.

When the coolant receiver 45 is installed as described above, even when the discharge port of the coolant supply pipe 44 is installed on only one side, the coolant heat exchange coil 64 is provided while the coolant 40 flows through the circumference of the coolant receiver 45. Since it is supplied toward), it is possible to maximize the contact area between the cold water heat exchange coil 64 and the refrigerant 40.

The refrigerant supply pipe 44 is provided with a refrigerant pump 48 for pumping the refrigerant 40 collected below the evaporation zone.

It is also possible to install an ultrasonic vibrator 76 below the evaporation zone.

When the ultrasonic vibrator 76 is installed and operated as described above, the ultrasonic wave is applied to the collected refrigerant 40 to atomize the refrigerant 40, so that absorption into the absorbing liquid 30 is facilitated.

As described above, the refrigerant 40 injected into the cold water heat exchange coil 64 through the refrigerant supply pipe 44 performs heat exchange while contacting the surface of the cold water heat exchange coil 64, and the inside of the cold water heat exchange coil 64. Cool the temperature of the cold water flowing through.

The part of the refrigerant 40 which performs heat exchange while contacting the surface of the cold water heat exchange coil 64 is evaporated, and the vapor of the evaporated refrigerant 40 is the upper part of the evaporation absorption space (the upper part of the evaporation zone and the absorption zone). Top).

The absorption liquid 30 stored in the lower portion of the absorption zone is injected through the refrigerant supply pipe 44 to absorb the vapor of the refrigerant evaporated while exchanging heat with the cold water heat exchange coil 64.

It is also possible to install an ultrasonic vibrator 72 below the absorption zone to promote absorption of the absorption liquid 30 by the vapor of the refrigerant 40.

When the ultrasonic vibrator 72 is installed as described above, the absorbing liquid 30 is activated while ultrasonically vibrating and the absorption of the refrigerant 40 is promoted.

In the above, the refrigerant 40 mainly uses water (for example, distilled water), and the absorption liquid 30 mainly uses lithium bromide.

It is also possible to use other materials as the refrigerant 40 and the absorption liquid 30.

In addition, an absorbent liquid supply pipe 34 is installed to pump the absorbent liquid 30 stored in the absorption zone toward the high temperature regeneration space and spray the liquid from the upper side.

The absorbent liquid supply pipe 34 is provided with an absorbent liquid pump 38 for pumping the absorbent liquid 30 collected below the absorption zone.

The second stage housing 14 is provided with a cylindrical high temperature regeneration tank 84 and a conical condensation plate 86 to form a high temperature regeneration space.

The high temperature regeneration tank 84 serves as a ceiling of the evaporative absorption space formed between the first stage housing 12 and the first stage housing 12.

The high temperature regeneration tank 84 is formed in a cylindrical shape with a bottom is installed inside the second stage housing (14).

The condensation plate 86 constitutes a ceiling of the high temperature regeneration space.

The high temperature regeneration tank 84 is provided with a medium temperature hot water heat exchange coil 54.

The high temperature regeneration tank 84 is preferably formed by applying an insulating structure to minimize the heat transfer of the high temperature regeneration space to the evaporation absorption space below.

For example, the high temperature regeneration tank 84 is preferably formed of a double wall to vacuum the interior or to fill the heat insulating material.

The middle temperature water heat exchange coil (54) is installed in the high temperature regeneration space and heat exchanges with the absorption liquid (30) sprayed through the absorption liquid supply pipe (34) while the middle temperature water heated using solar heat flows therein. Configured to do so.

Between the discharge port of the absorbent liquid supply pipe 34 and the upper surface of the intermediate temperature water heat exchange coil 54, the absorbent liquid 30 injected is provided evenly toward the middle temperature water heat exchange coil 54 so that the circumference of the medium temperature water heat exchange coil 54 is maintained. It is also possible to install the absorbent liquid receiver 35 having a semi-circular cross-section along which a plurality of holes are formed.

When the absorbent liquid receiver 35 is installed as described above, even when the discharge port of the absorbent liquid supply pipe 34 is installed on only one side, the absorbent liquid 30 flows along the absorbent liquid receiver 35 and the entire circumference thereof. 54, the contact area between the hot water heat exchange coil 54 and the absorbent liquid 30 can be maximized.

The hot water heat exchange coil 54 is formed in a shape in which a spiral wound cylindrical shape is overlapped with a plurality of layers.

One end of the hot water heat exchange coil 54 is connected to the hot water supply pipe 52 for supplying the hot water heated by solar heat, and the hot water is cooled by heat-exchanging with the absorbent liquid 30 at the opposite end to discharge the solar heat again. The mesophilic water return pipe 56 which returns to be heated with the is connected.

It is also possible to further install the concentrated salt separation tank 85 to divide the inside of the high temperature regeneration tank 84 into a double tube shape.

The concentrated salt separator 85 is formed in a cylindrical shape, the upper end is fixedly installed on the bottom of the absorbent liquid receiving 35, the lower end is installed in a structure spaced apart from the bottom of the high temperature regeneration tank 84. .

When the concentrated salt separation tank 85 is installed as described above, the absorbent liquid 30 having a low concentration supplied through the absorbent liquid supply pipe 34 has an inner surface of the cylindrical portion of the high temperature regeneration tank 84 and the concentrated salt separation cylinder 85. It is located in the annular space formed between the outer surface of the), as the absorbent liquid 30 is supplied through the absorbent liquid supply pipe 34 is sequentially moved to the inner space of the concentrated salt separator (85).

In the inner space of the concentrated salt separator (85), the heat exchange is performed on the medium-temperature water heat exchange coil (54), and the refrigerant (40) included in the absorbent liquid (30) heated to a temperature is partially evaporated. 30) increases in concentration.

That is, the relatively concentrated concentration of the absorbent liquid 30 is located inside the concentrated salt separation vessel 85, and the relatively concentrated concentration of the absorbent liquid 30 is located outside the concentrated salt separation vessel 85.

An ultrasonic vibrator 74 is installed below the inside of the high temperature regeneration tank 84 to promote evaporation of the refrigerant 40 included in the absorbent liquid 30.

The ultrasonic vibrator 74 is installed on the inner side of the concentrated salt separator (85).

When the ultrasonic vibrator 74 is installed and operated as described above, ultrasonic vibration is transmitted to the absorbent liquid 30 to promote the evaporation of the refrigerant 40 included in the absorbent liquid 30.

When the evaporation of the coolant 40 is performed as described above, the vapor of the evaporated coolant 40 is located at an upper side of the high temperature regeneration space.

As described above, the refrigerant recovery pipe 46 is installed to supply steam of the refrigerant 40 located above the high temperature regeneration space to the cold water heat exchange coil 64 from the upper portion of the evaporation zone.

The refrigerant recovery pipe 46 is installed to communicate the upper portion of the high temperature regeneration space and the upper portion of the evaporative absorption space.

When the coolant recovery pipe 46 is installed as described above, the coolant 40 absorbed in the absorbent liquid 30 can be repeatedly reused and the consumption of the coolant 40 can be minimized.

An absorbent liquid recovery pipe 36 is provided to resupply the absorbent liquid 30 collected below the high temperature regeneration tank 84 (below the high temperature regeneration space) to the upper side of the absorption zone.

The upper end of the absorbent liquid recovery pipe 36 is preferably located inside the concentrated salt separator 85 so that it is possible to resupply the absorbent liquid 30 having a relatively high concentration to the absorption zone.

The absorption liquid 30 supplied to the high temperature regeneration tank 84 by the above configuration includes the refrigerant 40, and as the refrigerant 40 evaporates in a dilute concentration, the absorption liquid 30 is concentrated again. The absorbent liquid 30 which is regenerated and resupplied to the absorption zone through the absorbent liquid collection pipe 36 is maintained in a concentrated state.

The bottom surface has a semi-circular cross-section along the circumference of the partition plate 82 so that the absorbent liquid 30 to be re-supplied is evenly distributed and provided to the absorption zone under the discharge port of the absorbent liquid recovery pipe 36 positioned in the absorption zone. It is also possible to provide an absorbing liquid receiver 37 in which a plurality of holes are formed.

When the absorbent liquid receiver 37 is installed as described above, even when the absorbent liquid collecting pipe 36 is installed only in part, the absorbent liquid 30 flows through the absorbent liquid receiver 37 all over the circumference and is supplied to the lower absorption zone.

By forming the condensation plate 86 in a conical shape, the vapor of the refrigerant 40 located in the upper portion of the high temperature regeneration space is condensed again while contacting the lower surface of the condensation plate 86. It flows down along the conical inner surface of and is discharged toward the evaporation zone through the refrigerant recovery pipe (46).

The refrigerant receiver 47 having a semicircular cross section along a circumference is formed at a portion to which the upper portion of the refrigerant recovery pipe 46 is connected so that the condensed refrigerant 40 flowing along the inner surface of the condensation condenser plate 86 is well collected. It is preferable to install along the circumference.

The refrigerant return pipes 46 may be arranged in a plurality at a predetermined interval on the refrigerant receiver 47.

When the coolant receiver 45 is installed as described above, when the coolant 40 flowing along the conical inner surface of the condensation plate 86 is collected, the coolant receiver 45 is not discharged to only one of the coolant recovery pipes 46. It is possible to configure to discharge the discharge evenly toward the evaporation zone.

1 and 2, the upper surface of the condensation plate 86 is provided with a strip-shaped heat exchange plate 87 wound in a spiral shape, and a conical shape is formed above the heat exchange plate 87. The cover plate 88 is installed to cover the condensation plate 86.

When the heat exchange plate 87 and the cover plate 88 is installed as described above, a spiral flow path between the condensation plate 86 and the cover plate 88 by the heat exchange plate 87 installed in a spiral wound shape. Is formed.

When the conical vertex portion of the condensation plate 86 is supplied to the space between the condensation plate 86 and the cover plate 88 as cooling water from above, a flow path formed by the spiral heat exchange plate 87 is formed. As it rotates from the vertex to the circumference of the cone, it flows downward.

When the cooling water is supplied as described above, the temperature of the condensation plate 86 can be kept low, the condensation effect of the vapor of the refrigerant 40 can be improved, and the recovery rate of the refrigerant 40 can be greatly improved.

In addition, the partition plate in the absorption zone is configured to perform heat exchange with the absorption liquid 30 re-supplied through the absorption liquid recovery pipe 36 and the absorption liquid 30 stored below the absorption zone while circulating the cooling water. 82) The cooling water transfer pipe 22 is installed to spirally wound the inner circumferential surface, and the cooling water transfer pipe 22 supplies the cooling water that flows down to the bottom surface of the conical shape of the condensation plate 86 to the cooling water heat exchange coil 22. It is also possible to install a cooling water supply pipe 24 so that the cooling water discharged from the cooling water heat exchange coil 22 is supplied above the conical vertex of the condensation plate 86.

The cooling water transfer pipe 26 is provided with a cooling water pump 28 to pump the cooling water 20.

In this configuration, the absorbent liquid 40 is cooled through contact with the surface of the cooling water heat exchange coil 22, and the absorption efficiency of the vapor of the refrigerant 40 is greatly improved.

The cooling water supply pipe 24 side may be further connected to the cooling water supplement pipe 29 for replenishing the cooling water from the outside.

According to the absorption chiller using the warm water according to the embodiment of the present invention configured as described above, it is possible to perform the functions of the evaporator and the absorber at the same time in the evaporation absorption zone, the function of the high temperature regenerator and the condenser and the high temperature regeneration space and It is possible to carry out simultaneously on the condenser side.

Therefore, not only the same effect as that of the evaporator and the absorber can be obtained integrally, but also the same effect as the one of the high temperature regenerator and the condenser can be obtained.

Furthermore, since the evaporator, the absorber, the high temperature regenerator, and the condenser can be formed inside the cylindrical housing 10 and configured in a cylindrical shape, it is possible to minimize the installation space, and the absorber freezer having a new shape and shape It is possible to provide.

And the absorption chiller using the warm water according to another embodiment of the present invention, as shown in Figure 3 and 4, is formed by further forming a condensation cooling space in the upper portion of the housing in a state sealed with the high temperature regeneration space.

In order to partition the condensation cooling space and the high temperature regeneration space, a conical condensation plate 86 is installed on the upper end of the second stage housing 14 of the housing 10.

As shown in FIG. 4, a plurality of heat exchange plates 87 formed of a ring-shaped band plate are arranged on the upper surface of the condensation plate 86 at regular intervals along the height direction.

When the heat exchange plate 87 is installed as described above, a part of the cooling water supplied from the upper side is stored in various places by the heat exchange plate 87 to sufficiently exchange heat with the condensation plate 86, and the heat exchange efficiency This is improved and it is possible to minimize the consumption of cooling water.

In the upper portion of the condensation cooling space, a heat exchanger 92 for installing heat exchange with cooling water is provided.

In order to form the condensation cooling space, the third stage housing 16 is detachably installed on the second stage housing 14.

The third stage housing 16 performs the function of a cooling tower in the conventional absorption chiller.

The cooling water is supplied from the upper portion of the condensation plate 86 and flows down along the condensation plate 86. The cooling water stored in the lower portion of the condensation cooling space flowing down along the condensation plate 86 is transported again. It is also possible to be configured to perform heat exchange by spraying on the heat exchanger 92 above.

The heat exchanger 92 is configured to perform heat exchange to cool the temperature of the contacting cooling water lower.

In addition, a cooling water transfer pipe 26 for pumping the cooling water 20 to supply the cooling water 20 stored in the lower portion of the condensation cooling space to the cooling water heat exchange coil 22, and the cooling water heat exchange coil 22 is installed. The cooling water supply pipe 24 is installed to supply the cooling water 20 discharged from the upper surface of the heat exchanger 92 installed in the condensation cooling space.

The cooling water transfer pipe 26 is provided with a cooling water pump 28 to pump the cooling water 20.

In order to improve heat exchange efficiency of the heat exchanger 92, a heat dissipation fan 94 for sucking external cold air is installed at an upper portion of the condensation cooling space.

With the above configuration, the absorbent liquid 30 is cooled through contact with the surface of the cooling water heat exchange coil 22, and the absorption efficiency of the refrigerant 40 vapor is improved.

In the condensation cooling space, the function of the condenser and the function of the cooling tower are performed simultaneously, and the effect of integrating the condenser and the cooling tower is obtained.

That is, the evaporator, the absorber, the high temperature regenerator, the condenser, all installed in one cylindrical housing 10 of the cooling tower, it is possible to implement the efficiency of the installation space.

Next will be described the operation of the absorption chiller using mesophilic water according to one embodiment and another embodiment of the present invention configured as described above.

First, when cold water is supplied and circulated through the cold water inlet pipe 62 to the cold water heat exchange coil 64 installed in the evaporation zone, and then discharged through the cold water supply pipe 66, a refrigerant supply pipe to the cold water heat exchange coil 64 is provided. As the refrigerant 40 injected through the 44 is evaporated, heat exchange is performed, and cooling of the cold water circulating inside the cold water heat exchange coil 64 is performed.

Since the evaporation absorption space constituting the evaporation zone and the absorption zone maintains a vacuum state, the refrigerant 40 is evaporated even at a low temperature, and the cold water heat exchange coil 64 contacting the refrigerant 40 also has a low temperature. The cooling of the cold water is maintained by circulating the inside.

As described above, the vapor of the refrigerant 40 formed by evaporation while being exchanged with the cold water heat exchange coil 64 is absorbed by the absorption liquid 30 stored in the absorption zone.

As described above, the vapor of the refrigerant 40 is absorbed into the absorbent liquid 30, whereby it is possible to appropriately maintain the vacuum state of the evaporative absorption space.

As the absorption of the refrigerant 40 vapor proceeds, the concentration of the absorption liquid 30 decreases and the rate of absorption slows.

When the absorbent liquid 30 whose concentration is diminished through the absorbent liquid supply pipe 34 is injected into the high temperature regeneration tank 84 and sprayed, the absorbent liquid 30 is formed on the surface of the intermediate temperature water heat exchange coil 54 in which the hot water heated by solar heat is circulated. E) is evaporated of the refrigerant 40 contained in the absorbent liquid 30 while the absorbent liquid 30 is contacted. The absorbent liquid 30 having a higher concentration is collected below the high temperature regeneration tank 84, and the absorbent liquid 30 is absorbed liquid recovery. It is recovered to the absorption zone through the pipe 36, and maintains the concentration of the absorption liquid 30 in the absorption zone thick.

The refrigerant 40 evaporated above is condensed again while being in contact with the condensation plate 86 and recovered to the evaporation zone through the refrigerant recovery pipe 46.

Absorption chiller using mesophilic water according to an embodiment of the present invention and another embodiment is to repeat the above process, the regeneration of the absorbing liquid 30 and the circulation of the refrigerant 40 is made, the cooling of the cold water effectively It is possible.

And according to the absorption chiller using mesophilic water according to an embodiment of the present invention and another embodiment, since the regeneration of the absorbing liquid 30 is performed using solar heat, there is an advantage of utilizing natural energy, and the efficient utilization of resources Very effective at

Absorption chiller using mesophilic water according to one embodiment and another embodiment of the present invention configured as described above can also be used by connecting several.

In the above description of the preferred embodiment of the absorption chiller using the warm water according to the present invention, the present invention is not limited to this, it is possible to perform various modifications within the scope of the claims and the specification and the accompanying drawings. This also belongs to the scope of the present invention.

10-housing, 12-first stage housing, 14-second stage housing, 16-third stage housing
20-cooling water, 22-cooling water heat exchange coil, 24-cooling water supply line
26-coolant feed pipe, 28-coolant pump, 29-coolant filler, 30-absorbent
34-absorbent liquid supply pipe, 35-absorbent liquid receiver, 36-absorbent liquid recovery tube, 37-absorbent liquid receiver
38-Absorption liquid pump, 40-Refrigerant, 44-Refrigerant supply pipe, 45-Refrigerant receiver
46-refrigerant return pipe, 47-refrigerant receiver, 48-refrigerant pump, 52-medium temperature water supply pipe
54-Medium temperature water exchange coil, 56-Medium temperature water return pipe, 62-Cold water inlet pipe
64-cold water heat exchange coil, 66-cold water supply pipe, 72,74,76-ultrasonic vibrator
82-partition plate, 84-hot regeneration tank, 85-thick salt separator, 86-condensing plate
87-heat exchange plate, 88-cover plate, 92-heat exchanger, 94-heat sink

Claims (25)

A cylindrical housing in which the internal space is divided up and down in a sealed state to form an evaporative absorption space at the bottom and a high temperature regeneration space at the top;
A partition plate for dividing the vacuum evaporation absorption space formed under the housing into an inner absorption zone and an external evaporation zone in a double tube shape;
A cold water heat exchange coil installed in the evaporation zone and installed in the shape of spirally winding the outer circumferential surface of the partition plate and discharged after circulating cold water for cooling;
A refrigerant supply pipe installed to inject refrigerant into the cold water heat exchange coil from above in the evaporation zone;
An absorption liquid for absorbing vapor evaporated from the refrigerant stored in the absorption zone and injected through the refrigerant supply pipe;
An absorbent liquid supply pipe for transporting the absorbent liquid stored in the absorption zone toward the high temperature regeneration space and injecting it from above;
A medium temperature water heat exchange coil installed in the high temperature regeneration space and configured to perform heat exchange with the absorbent liquid injected through the absorbent liquid supply pipe while the intermediate hot water heated by solar heat flows therein;
A refrigerant recovery pipe for supplying vapor of the evaporated refrigerant located above the high temperature regeneration space to the cold water heat exchange coil from above the evaporation zone;
And an absorbent liquid recovery pipe for resupplying the absorbent liquid collected under the high temperature regeneration space to the upper side of the absorption zone. The method according to claim 1,
The refrigerant supply pipe is provided with a refrigerant pump for pumping the refrigerant collected under the evaporation zone,
Absorption chiller using hot water is installed in the absorbent liquid supply pipe is an absorbent pump for pumping the absorbent liquid collected in the lower portion of the absorption zone. The method according to claim 1,
An absorption chiller using mid-temperature water to install an ultrasonic vibrator below the inside of the high temperature regeneration space to promote the evaporation of the refrigerant contained in the absorption liquid. The method according to claim 1,
An absorption chiller using mid-temperature water in the lower portion of the absorption zone to install an ultrasonic vibrator to facilitate the absorption of the absorption liquid vapor of the refrigerant. The method according to claim 1,
The upper surface of the housing constituting the ceiling of the high temperature regeneration space is an absorption chiller using mesophilic condensation plate. The method according to claim 5,
The upper surface of the condensation plate is installed in the shape of winding a band-shaped heat exchanger plate spirally,
Covering the upper surface of the condensation plate with a cover plate absorption chiller using mesophilic water configured to cool the condensation plate while cooling water flows along the heat exchange plate of the spiral. The method of claim 6,
Cooling water installed in the shape of spirally winding the inner circumferential surface of the partition plate in the absorption zone so as to exchange heat with the absorption liquid re-supplied through the absorption liquid collection pipe and the absorption liquid stored below the absorption zone while circulating the cooling water. Heat exchange coil,
A cooling water conveying pipe installed to supply cooling water flowing down toward the bottom of the conical shape of the condensation plate to the cooling water heat exchange coil, and installed with a cooling water pump for pumping the cooling water;
And a cooling water supply pipe installed to supply the cooling water discharged from the cooling water heat exchange coil to the upper corner of the conical shape of the condensation plate. The method of claim 7,
Absorption chiller using hot water to the cooling water supply pipe side is further connected to the cooling water supplement pipe for replenishing the cooling water from the outside. The method according to claim 5,
In the part where the upper part of the refrigerant recovery pipe is connected, a refrigerant receiver having a semicircular cross section is installed along the circumference so that condensed refrigerant flowing along the inner surface of the condensation condenser plate is well collected.
The refrigerant recovery pipe is an absorption chiller using a medium temperature water is arranged in a plurality at a predetermined interval arranged in the refrigerant receiving. The method according to claim 1,
The housing is installed in a vertical position by detachably fastening the first end housing and the second end housing respectively formed in a cylindrical shape,
An evaporation absorption space is formed inside the first stage housing.
Absorption chiller using hot water to form a high temperature regeneration space in the second stage housing. The method of claim 10,
The first end housing is formed in a tubular shape having a bottom and an open top to form an evaporative absorption space,
And the second stage housing is formed of a tubular shape in which a middle portion is blocked and an upper surface is blocked to form a high temperature regeneration space therein while forming an evaporative absorption space therebetween. The method of claim 11,
The second stage housing is provided with a cylindrical high temperature regeneration tank for blocking the middle portion and a conical condensation plate for blocking the upper surface to form a high temperature regeneration space,
The high temperature regeneration tank serves as a ceiling of the evaporative absorption space formed between the first stage housing,
The high temperature regeneration tank is formed in a cylindrical shape with a bottom and installed inside the second stage housing,
The condensation plate is an absorption chiller using heavy hot water that constitutes the ceiling of the high temperature regeneration space. The method of claim 12,
The high temperature regeneration tank is an absorption chiller using mid temperature water formed by applying an insulating structure to minimize the heat transfer of the high temperature regeneration space to the bottom of the evaporation absorption space. The method of claim 12,
Further install a cylindrical thick salt separator to divide the inside of the high temperature regeneration tank into a double tube shape,
The upper end of the concentrate brine is fixed to the bottom of the absorbent liquid receiving plate,
The lower end portion of the concentrated salt separation tank absorbing chiller using hot water installed in a structure that is spaced from the bottom of the high temperature regeneration tank. The method according to claim 14,
The upper end of the absorbent liquid recovery pipe is installed to be located inside the thick salt separator and configured to resupply relatively concentrated absorbent liquid to the absorption zone.
An absorbent liquid receiver having a semicircular cross section along the circumference of the partition plate and having a plurality of holes formed on the bottom thereof so that the absorbent liquid resupply is distributed evenly under the discharge port of the absorbent liquid recovery pipe located in the absorbent zone. Absorption chiller using warm water to install the. The method of claim 11,
The partition plate is formed in a cylindrical shape and installed in a state standing on the bottom of the first stage housing,
The partition plate is an absorption chiller using mid-temperature water is installed to set the height of the absorption zone and the upper portion of the evaporation zone to be smaller than the height of the evaporation absorption space. The method according to claim 1,
An absorbent liquid having a semi-circular cross section along the circumference of the intermediate hot water heat exchange coil so that the absorbent liquid injected is provided evenly toward the middle temperature heat exchange coil as a whole between the discharge port of the absorbent liquid supply pipe and the upper surface of the medium temperature water heat exchange coil. Absorption-type freezer using warm water to install the sink. The method according to claim 1,
Between the discharge port of the refrigerant supply pipe and the upper surface of the cold water heat exchange coil, a refrigerant receiver having a semicircular cross section along the circumference of the cold water heat exchange coil and having a plurality of holes formed at the bottom thereof so that the injected refrigerant is provided evenly toward the cold water heat exchange coil as a whole. Absorption chiller using hot water to. The method according to claim 1,
Absorption chiller using warm water to install an ultrasonic vibrator in the lower inside of the evaporation zone. The method according to claim 1,
One end of the hot water heat exchange coil is connected to the hot water supply pipe for supplying the hot water heated by solar heat, and the other end of the hot water heat return coil is heat-exchanged with the absorbent liquid and discharged to cool the hot water. Absorption chiller using warm water connected to the pipe. The method according to claim 1,
A condensation cooling space is further formed on the housing in a state where the high temperature regeneration space is sealed to each other.
A condensation plate for partitioning the condensation cooling space and the high temperature regeneration space is formed and installed in a conical shape,
Configured to spray cooling water from an upper side of the condensation cooling space to an upper surface of the condensation plate,
Absorption chiller using hot water to install a heat exchanger for performing heat exchange with the cooling water in the upper portion of the condensation cooling space. 23. The method of claim 21,
Cooling water installed in the shape of spirally winding the inner circumferential surface of the partition plate in the absorption zone so as to exchange heat with the absorption liquid re-supplied through the absorption liquid collection pipe and the absorption liquid stored below the absorption zone while circulating the cooling water. Heat exchange coil,
A cooling water transfer pipe installed to supply cooling water stored in the lower portion of the condensation cooling space to the cooling water heat exchange coil, and installed with a cooling water pump for pumping the cooling water;
And a cooling water supply pipe installed to supply the cooling water discharged from the cooling water heat exchange coil to be injected from the upper part of the heat exchanger installed in the condensation cooling space. 23. The method of claim 21,
An upper surface of the condensation plate of the absorption chiller using a medium temperature water to install a plurality of heat exchanger plate consisting of a ring-shaped band plate at regular intervals along the height direction. 23. The method of claim 21,
Absorption chiller using hot water to detachably install a third stage housing for forming the condensation cooling space in the upper portion of the housing. 23. The method of claim 21,
An upper part of the condensation cooling space is an absorption chiller using mid-temperature water to install a heat dissipation fan for sucking external cold air in order to improve heat exchange efficiency of the heat exchanger.

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