KR100843799B1 - The Cooling System - Google Patents

Abstract

The present invention has a high temperature heat source of the refrigerant moving to the expansion valve at the outlet of the condenser in addition to the water cooling system for supplying purified water to the user and the gas refrigerant supplied to the compressor via the evaporator After exchanging the heat sources with each other, the heat exchanged refrigerant is supplied to the compressor to improve the evaporator's evaporation capacity, reduce the size of the condenser, and improve the freezing capacity. It is about.

Water purification, refrigeration, compressor, condenser, expansion valve, evaporator

Description

Cooling System

1 shows a cooling system according to the invention.

2 shows a cooling system according to a first embodiment of the present invention.

3 shows a cooling system according to a second embodiment of the invention.

4 is an operating state diagram according to a second embodiment of the present invention.

5 shows another embodiment of a cooling system according to the invention.

6 is a view showing a heat radiation unit installed in the cooling system according to the present invention.

7 is a view showing a state in which a water-cooled condenser is installed in the cooling system according to the present invention.

8 illustrates a cooling system according to a third embodiment of the present invention.

9 is a view showing a state in which an intermediate heat exchanger is installed according to a third embodiment of the present invention.

10 is an operating state diagram according to a third embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

2: water purification tank 10: filter part

20: compressor 30: condenser

40 expansion valve 50 evaporator

100: intermediate heat exchanger 110: inlet

120: outlet 130: airtight plate

300: heat dissipation unit 310: spiral plate

320: hatching heat 400: dryer

The present invention relates to a cooling system that can be used by installing an intermediate heat exchanger or a water-cooled condenser in a general refrigeration system in addition to a purified water cooling system for supplying purified water to a user, and increasing the heat dissipation amount of the condenser together with an improved evaporation capacity of the evaporator. .

The general refrigeration cycle is composed of a compressor, a condenser, an expansion valve, and an evaporator connected in sequence by a refrigerant pipe. The compressor sucks the refrigerant gas of low temperature and low pressure, compresses it to high temperature and high pressure, and discharges it to the condenser, and the condenser functions to convert the refrigerant gas of high temperature and high pressure into a liquid refrigerant through heat exchange.

The refrigerant flowing out of the condenser into the liquid phase causes a pressure drop while passing through the expansion valve to become a low-pressure low-temperature liquid refrigerant, and the low-temperature refrigerant absorbs heat from the surroundings while being evaporated to a gas state while passing through the evaporator to perform a freezing action. Will be performed.

The cooling system having the refrigerating cycle as described above configures the optimum refrigerant circulation cycle in order to secure the structure of the cooling system that operates in an optimal state, thereby improving the refrigerating efficiency and avoiding operation mismatch due to liquid compression or superheat compression. The best stable operation conditions should be provided, but a cooling system having a stable refrigerant circulation cycle as described above was not provided.

The present invention has been made to solve the above problems, and in addition to the water purification system for supplying purified water to the user, by installing an intermediate heat exchanger or a water-cooled condenser in a general refrigeration system to improve the evaporator capacity of the evaporator, The purpose is to provide a cooling system that can be used by increasing the amount of heat dissipation.

Cooling system according to the present invention for achieving the above object is a filter unit for supplying purified water to the purified water tank by filtering various foreign matter contained in the purified water; A compressor for discharging the liquid refrigerant in a high temperature and high pressure state; A condenser that discharges the heat of the refrigerant to the outside and condenses it; An expansion valve in which the refrigerant condensed in the condenser changes in a gas state at a low temperature and low pressure; An evaporator for cooling the purified water to a low temperature state by exchanging the low temperature and low pressure gas refrigerant passing through the expansion valve with the purified water stored in the purified water tank; And a heat exchanger exchanges heat between an excess heat source of the gas refrigerant supplied to the compressor via the evaporator and a high temperature heat source of the refrigerant moving toward the expansion valve at the outlet of the condenser. And to improve the evaporator's evaporation capacity.

The excess heat source is supplied to the outside of the refrigerant pipe before the expansion valve inlet end to move toward the condenser, the high temperature heat source is configured to move toward the expansion valve to perform heat exchange.

The configuration of the cooling system according to the first embodiment of the present invention comprises: a filter unit for supplying purified water to a purified water tank by filtering various foreign substances contained in purified water; A compressor for discharging the liquid refrigerant in a high temperature and high pressure state; A condenser that discharges the heat of the refrigerant to the outside and condenses it; An expansion valve in which the refrigerant condensed in the condenser is phase-changed to a low temperature low pressure gas state; An evaporator for cooling the purified water to a low temperature state by exchanging the low temperature and low pressure gas refrigerant passing through the expansion valve with the purified water stored in the purified water tank; And a water-cooled condenser provided with purified water in the purified water supplied to the filter unit and receiving remaining wastewater, and receiving a high-temperature heat source of the high-temperature refrigerant discharged from the compressor, respectively, to exchange heat with each other. It is configured to improve the condenser efficiency by recycling it.

The configuration of the cooling system according to the second embodiment of the present invention comprises a filter unit for supplying purified water to the purified water tank by filtering various foreign substances contained in the purified water; A compressor for discharging the liquid refrigerant in a high temperature and high pressure state; A condenser that discharges the heat of the refrigerant to the outside and condenses it; An expansion valve in which the refrigerant condensed in the condenser is phase-changed to a low temperature low pressure gas state; An evaporator for cooling the purified water to a low temperature state by exchanging the low temperature and low pressure gas refrigerant passing through the expansion valve with the purified water stored in the purified water tank; An intermediate heat exchanger in which heat is exchanged between an excess heat source of the gas refrigerant supplied to the compressor via the evaporator and a high temperature heat source of the refrigerant moving toward the expansion valve at the outlet of the condenser; And a water-cooled condenser for receiving purified water from the purified water supplied to the filter unit, receiving the remaining wastewater, and receiving a high-temperature heat source of the high-temperature refrigerant discharged from the compressor, and performing heat exchange with each other.

The configuration of the intermediate heat exchanger provided in the cooling system according to the present invention is installed between the condenser and the expansion valve of the purified water cooling device to perform heat exchange, and the gas refrigerant passing through the evaporator may be supplied into the tubular intermediate heat exchanger body. An inlet formed to extend outwardly of the intermediate heat exchanger body; An outlet port spaced apart from the inlet port so that refrigerant supplied to the inner region of the intermediate heat exchanger body through the inlet port can flow to the compressor; And an intermediate heat exchanger in which the high temperature refrigerant moving along the refrigerant pipe via the condenser is opposed to the low temperature gas refrigerant supplied through the inlet when the high temperature refrigerant is moved through the interior of the intermediate heat exchanger body. It is configured by.

The intermediate heat exchanger is an inclined portion formed to be in close contact with the outside of the refrigerant pipe after the inclined to the inside of the intermediate heat exchanger body to the portion of the refrigerant pipe moved through the condenser surface contact with the front end of the intermediate heat exchanger body, the intermediate The rear end of the heat exchanger body is fixedly installed on the refrigerant pipe, and is configured to include a sealing plate having a through hole formed therein so as to seal the opened rear end of the intermediate heat exchanger body to allow the refrigerant to be moved through the refrigerant pipe.

The intermediate heat exchanger is configured to have a heat dissipation unit installed outside the refrigerant pipe located inside the intermediate heat exchanger body to conduct heat of the high temperature refrigerant via the condenser.

The heat dissipation unit is configured to be installed in the form of a coil along the longitudinal direction of the refrigerant pipe.

The heat dissipation unit is configured to install a screw-shaped spiral plate having a size similar to the inner diameter of the intermediate heat exchanger body.

The heat dissipation unit is configured to form a hatching heat in the form of a lattice on the outside of the refrigerant pipe.

Between the expansion valve and the intermediate heat exchanger, the one end is connected to the sealing plate of the intermediate heat exchanger is formed to extend horizontally so as to remove the moisture contained in the refrigerant via the intermediate heat exchanger, the other end is connected to the expansion valve Is installed but the first mesh portion is installed inside the other end of the dryer is configured to prevent the outflow of dry grains.

The sealing plate is provided to the second mesh portion on the through hole is configured to prevent the outflow of dry grains.

The dryer is configured to be integral with the intermediate heat exchanger.

The configuration of the water-cooled condenser provided in the cooling system according to the present invention is connected between the compressor of the purified water cooling device and the air-cooled condenser with a plurality of heat dissipation fins, and purified water drained through the filter unit to the lower side of the vertically upright condenser housing. Supply pipe is supplied; A condensation tube which is formed to be wound up to the inner lower region of the condenser housing a plurality of times in a state in which a refrigerant tube through which the high temperature refrigerant discharged from the compressor flows is inserted into the upper side of the condenser housing and extends outwardly; And a discharge pipe connected to the upper side of the condenser housing to discharge the purified water supplied to the condenser housing so that the purified water supplied to the inner region of the condenser housing through the supply pipe and the high temperature refrigerant moving through the condenser tube are heat exchanged. It is comprised including the water-cooled condenser which consists of this.

The water-cooled condenser is configured such that a drain valve for draining the purified water supplied through the supply pipe below.

A configuration of a cooling system according to a third embodiment of the present invention includes a compressor for discharging a liquid refrigerant in a high temperature and high pressure state; A condenser that discharges the heat of the refrigerant to the outside and condenses it; An expansion valve in which the refrigerant condensed in the condenser is phase-changed to a low temperature low pressure gas state; An evaporator through which the low temperature low pressure gas refrigerant passing through the expansion valve absorbs heat and evaporates; And an intermediate heat exchanger in which heat exchange is performed so as to face each other between an excess heat source of the gas refrigerant supplied to the compressor via the evaporator and a high temperature heat source of the refrigerant moving toward the expansion valve at the outlet of the condenser. And then fed to a compressor to enhance the evaporator's evaporation capacity.

According to a third embodiment of the present invention, a configuration in which an intermediate heat exchanger is installed in a cooling system includes an intermediate heat exchanger installed between a condenser and an expansion valve of a cooling device to exchange heat, and the intermediate heat exchanger extends from an outlet end of the condenser. An inlet formed to extend outside the intermediate heat exchanger so that gas refrigerant passing through the evaporator is supplied into the intermediate heat exchanger while the refrigerant pipe is positioned inside; An outlet configured to be spaced apart from the inlet so as to be supplied to the compressor after the low temperature gas refrigerant supplied through the inlet and the high temperature refrigerant discharged from the outlet of the condenser are heat exchanged to face each other; And a heat dissipation unit installed along the refrigerant pipe positioned across the intermediate heat exchanger and conducting heat of the high temperature refrigerant via the condenser.

The heat dissipation unit is configured such that any one of the coil or screw-shaped spiral plate is installed along the refrigerant pipe.

The intermediate heat exchanger is configured to be equipped with a dryer having one end connected to the front end of the intermediate heat exchanger and the other end connected to the expansion valve in order to remove moisture contained in the refrigerant pipe.

An embodiment of a cooling system according to the present invention as described above will be described with reference to the drawings.

Referring to FIG. 1, the filter unit 10 is configured to supply purified water to a purified water tank 2 by filtering various foreign substances contained in purified water. A compressor 20 through which the liquid refrigerant in a high temperature and high pressure state is discharged; A condenser (30) to condense by dissipating heat contained in the refrigerant to the outside; Expansion valve (40) in which the refrigerant condensed in the condenser (30) is phase-changed to a low-temperature low-pressure gas state; An evaporator 50 for cooling the purified water to a low temperature state by exchanging the low temperature and low pressure gas refrigerant having passed through the expansion valve 40 with the purified water stored in the purified water tank 2; And the high temperature heat source of the excess heat source of the gas refrigerant supplied to the compressor 20 via the evaporator 50 and the refrigerant moving toward the expansion valve 40 at the outlet of the condenser 30. After the heat exchange by the intermediate heat exchanger 100 is performed heat exchange is supplied to the compressor 20 is configured to improve the evaporator 50 evaporation capacity.

The excess heat source is supplied to the outside of the refrigerant pipe (3) before the inlet end of the expansion valve 40 is moved toward the condenser 30, the high temperature heat source is moved toward the expansion valve 40 is configured to heat exchange do.

The configuration of the cooling system according to the first embodiment of the present invention includes a filter unit 10 for supplying purified water to the purified water tank 2 by filtering various foreign matters contained in purified water; A compressor 20 through which the liquid refrigerant in a high temperature and high pressure state is discharged; A condenser (30) to condense by dissipating heat contained in the refrigerant to the outside; Expansion valve (40) in which the refrigerant condensed in the condenser (30) is phase-changed to a low-temperature low-pressure gas state; An evaporator 50 for cooling the purified water to a low temperature state by exchanging the low temperature and low pressure gas refrigerant having passed through the expansion valve 40 with the purified water stored in the purified water tank 2; And a water-cooled condenser that receives heat from the purified water supplied to the filter unit 10, receives remaining water, and receives high-temperature heat sources of the high-temperature refrigerant discharged from the compressor 20, respectively, and performs heat exchange with each other. 200 is installed and configured to improve the condenser efficiency by recycling the remaining wastewater.

The configuration of the cooling system according to the second embodiment of the present invention includes a filter unit 10 for supplying purified water to the purified water tank 2 by filtering various foreign matters contained in purified water; A compressor 20 through which the liquid refrigerant in a high temperature and high pressure state is discharged; A condenser (30) to condense by dissipating heat contained in the refrigerant to the outside; Expansion valve (40) in which the refrigerant condensed in the condenser (30) is phase-changed to a low-temperature low-pressure gas state; An evaporator 50 for cooling the purified water to a low temperature state by heat-exchanging the low temperature and low pressure gas refrigerant passing through the expansion valve 40 with the purified water stored in the purified water tank 2; Heat between the excess heat source of the gas refrigerant supplied to the compressor 20 via the evaporator 50 and the high temperature heat source of the refrigerant moving toward the expansion valve 40 at the outlet of the condenser 30. An intermediate heat exchanger 100 in which the exchange is performed; And a water-cooled condenser that receives heat from the purified water supplied to the filter unit 10, receives remaining water, and receives high-temperature heat sources of the high-temperature refrigerant discharged from the compressor 20, respectively, and performs heat exchange with each other. And 200.

The cooling system according to the present invention is installed between the condenser 30 and the expansion valve 40 of the purified water cooling device is a heat exchange, the gas refrigerant via the evaporator 50 is tubular intermediate heat exchanger body 101 An inlet 110 extending outwardly of the intermediate heat exchanger body 101 so as to be supplied to the inside; An outlet 120 spaced apart from the inlet 110 so that the refrigerant supplied to the inner region of the intermediate heat exchanger body 101 through the inlet 110 may flow to the compressor 20; And low temperature gas supplied through the inlet 110 when the high temperature refrigerant moving along the refrigerant pipe 3 via the condenser 30 is moved through the interior of the intermediate heat exchanger body 101. It is configured to include an intermediate heat exchanger 100 is a heat exchange is opposed to the refrigerant.
The intermediate heat exchanger (100) has a refrigerant pipe (3) extending through the condenser (30) inwardly in contact with the front end of the intermediate heat exchanger body (101) to the inside of the intermediate heat exchanger body (101). After the photograph, the inclined portion 102 formed to be in close contact with the outside of the refrigerant pipe 3 and the rear end of the intermediate heat exchanger body 101 are fixedly installed on the refrigerant pipe 3 and the The rear end of the opening is sealed, but a sealing plate 130 having a through hole 132 is provided to allow the refrigerant to be moved through the refrigerant pipe 3 to be provided.

delete

The intermediate heat exchanger 100 has a heat dissipation unit 300 such that the heat of the high temperature refrigerant via the condenser 30 is conducted to the outside of the refrigerant pipe 3 located inside the intermediate heat exchanger body 101. Is installed.

The heat dissipation unit 300 is configured to be installed in the form of a coil along the longitudinal direction of the refrigerant pipe (3).

The heat dissipation unit 300 is configured such that a screw-shaped spiral plate 310 having a size similar to the inner diameter of the intermediate heat exchanger body 101 is installed.

The heat dissipation unit 300 is configured to form a hatching heat 320 in the form of a lattice on the outside of the refrigerant pipe.

Between the expansion valve 40 and the intermediate heat exchanger 100, one end is connected to the sealing plate 130 of the intermediate heat exchanger 100 to remove water contained in the refrigerant via the intermediate heat exchanger 100. Installed to extend horizontally, the other end is provided with a dryer 400 is connected to the expansion valve 40, the first mesh unit 410 is installed inside the other end of the dryer 400 to prevent the outflow of dry grains It is configured to.

The sealing plate 130 has a second mesh portion 134 is installed on the through hole 132 is configured to prevent the outflow of dry grains.

The dryer 400 is configured to be integral with the intermediate heat exchanger 100.

The cooling system according to the present invention is connected between the compressor 20 of the purified water cooling device and the air-cooled condenser 30 with a plurality of heat dissipation fins, and is connected to the lower side of the vertically upright condenser housing via the filter unit 10. A supply pipe 32 through which the purified water to be drained is supplied; The condenser tube 34 is formed to be wound a plurality of times to the inner lower region of the condenser housing in a state where the refrigerant tube 3 through which the high temperature refrigerant discharged from the compressor 20 flows is inserted into the upper side of the condenser housing. ); And a discharge pipe 38 connected to an upper side of the condenser housing and configured to discharge the purified water supplied to the condenser housing and supplied to the inner region of the condenser housing through the supply pipe 32. The high temperature refrigerant moving through is configured to include a water-cooled condenser 200 through which heat exchange is performed.

The water-cooled condenser 200 is configured such that a drain valve 36 through which the purified water supplied through the supply pipe 32 is drained below.

The configuration of the cooling system according to the third embodiment of the present invention includes a compressor 20 for discharging a liquid refrigerant in a high temperature and high pressure state; A condenser (30) to condense by dissipating heat contained in the refrigerant to the outside; Expansion valve (40) in which the refrigerant condensed in the condenser (30) is phase-changed to a low-temperature low-pressure gas state; An evaporator 50 through which the low-temperature low-pressure gas refrigerant passing through the expansion valve 40 absorbs the surrounding heat and evaporates; And a high temperature heat source included in the excess heat source of the gas refrigerant supplied to the compressor 20 via the evaporator 50 and the refrigerant moving toward the expansion valve 40 at the outlet of the condenser 30. It is configured to be supplied to the compressor 20 after heat exchange by the intermediate heat exchanger (100 ′) which is heat exchanged opposite to each other to improve the evaporation capacity of the evaporator 50.

According to the third embodiment of the present invention, a configuration in which an intermediate heat exchanger is installed in a cooling system includes an intermediate heat exchanger 100 'installed between a condenser 30 and an expansion valve 40 of a cooling device to perform heat exchange. The intermediate heat exchanger (100 ') is a gas refrigerant via the evaporator 50 in the state in which the refrigerant pipe (3) formed extending from the outlet end of the condenser (30) inside the intermediate heat exchanger (100'). An inlet 110 'extending outwardly of the intermediate heat exchanger 100' to be supplied; The low-temperature gas refrigerant supplied through the inlet 110 'and the high-temperature refrigerant discharged from the outlet of the condenser 30 are exchanged with each other to be supplied to the compressor 20 after the heat exchange is performed. Outlet 120 'spaced apart from the horizontal; And a heat dissipation part 300 ′ installed along the refrigerant pipe 3 positioned across the intermediate heat exchanger 100 ′ and conducting heat of the high temperature refrigerant via the condenser 30. do.

The heat dissipation unit 300 ′ is configured such that any one of a spiral plate having a coil shape or a screw shape is installed along the refrigerant pipe 3.

The intermediate heat exchanger (100 ') has a dryer 400' having one end connected to the front end of the intermediate heat exchanger (100 ') and the other end connected to the expansion valve (40) in order to remove water contained in the refrigerant pipe (3). ) Is configured to be installed.

The operating state of the cooling system according to the present invention configured as described above will be described with reference to the drawings.

The cooling system according to the present invention can be used by installing an intermediate heat exchanger 100 between the condenser 30 and the expansion valve 40 of the purified water cooling system as shown in FIG. In addition, as shown in FIG. 2, a water-cooled condenser 200 may be installed between the compressor 20 and the air-cooled condenser 30.

With reference to the accompanying Figures 3 to 4 will be described the operating state of the cooling system according to the present invention. As shown in the figure, the raw water supplied through a separate pipe line in the state in which the intermediate heat exchanger 100 and the water-cooled condenser 200 are installed is supplied along the direction of the arrow, and filters the various foreign substances contained in the purified water. The raw water supplied to (10) is filtered out. Filters having different characteristics are installed in the filter unit 10, and a precipitation filter, a sun carbon filter, a membrane, and a fu carbon filter are sequentially installed in a direction in which raw water moves.

For example, 10 liters of raw water supplied to the filter unit 10 is supplied, and 4 liters are purified from the filter unit 10 to be purified and stored in the water purification tank 2, and the remaining 6 liters are discharged as it is. The water-cooled condenser 200 according to the present invention performs condensation through the heat exchange with the high temperature refrigerant moving along the refrigerant pipe 3 in the water discharge and the compressor 20 filtered and discarded by the filter unit 10. The refrigerant passing through the water-cooled condenser 200 is moved to the intermediate heat exchanger 100 because the temperature is lowered than when the refrigerant 20 directly moves from the compressor 20 to the air-cooled condenser 30.

The refrigerant moved to the intermediate heat exchanger 100 is supplied to the intermediate heat exchanger 100 by a gas refrigerant having an excess heat source before being supplied to the compressor 20 via the evaporator 50, thereby providing the water-cooled condenser 200. Heat exchange takes place with the high temperature refrigerant moved through At this time, the refrigerant passing through the water-cooled condenser 200 and the air-cooled condenser 30 moves toward the expansion valve 40, and the gas refrigerant supplied to the intermediate heat exchanger 100 via the evaporator 50 faces each other. The movement is made to maximize heat exchange efficiency.

As described above, the refrigerant heat exchanged in the intermediate heat exchanger 100 is supplied to the compressor 20, and the temperature of the refrigerant supplied to the evaporator 50 is significantly reduced while one cycle operation is performed to evaporate the evaporator 50. It will improve the efficiency.

5 is an operating state diagram in a state where an intermediate heat exchanger is installed in the cooling system according to the present invention.

Referring to FIG. 5, raw water supplied to the filter unit 10 for filtering various foreign substances contained in purified water is filtered, for example, 10 liters are supplied, and 4 liters are purified from the filter unit 10 to purify the purified water tank ( 2), the remaining 6ℓ is drained as it is.

At the same time, gaseous refrigerant via the evaporator 50 is supplied to the inlet 110 and supplied to the inner region of the intermediate heat exchanger body 101. The outside of the refrigerant pipe 3 located inside the intermediate heat exchanger 100 is radiated by the heat dissipation unit 300 installed to conduct heat of the high temperature refrigerant via the air-cooled condenser 30.

Referring to FIG. 6, the heat dissipation unit 300 may be installed in the form of a coil in the longitudinal direction of the refrigerant pipe 3 as shown in (a), or as shown in (b). The spiral plate 310 may be installed having a diameter in close contact with the inside of the intermediate heat exchanger body 101, hatching heat 320 along the longitudinal direction on the outside of the refrigerant pipe (3) as in (c) Is formed to maximize the heat dissipation area, and the heat energy of the high-temperature refrigerant via the air-cooled condenser 30 is discharged.

The heat discharged through the heat dissipation unit 300 exchanges heat with the refrigerant gas in the gas state supplied through the inlet 110, and the refrigerant gas supplied through the inlet 110 is supplied to the dryer 400. do. The dryer 400 is filled with dry granules (not shown) absorbing moisture contained in the refrigerant therein, and on the through-hole 132 of the sealing plate 130 to prevent the outflow of the dry granules. Outflow is prevented by the second mesh portion 134 and the first mesh portion 410 provided at the inner end of the dryer 400.

The refrigerant whose temperature has been lowered via the dryer 400 is further lowered via the expansion valve 40 to be supplied to the evaporator 50. The refrigerant supplied to the evaporator 50 is evaporated in the evaporator 50 in a state where the temperature is first lowered by the intermediate heat exchanger 100, thereby cooling the purified water stored in the purified water tank 2. The evaporation capacity of the is maximized.

The gas refrigerant supplied through the inlet 110 is heat-exchanged in the heat dissipation unit 300 to be supplied to the compressor 20 through the outlet 120, and a continuous cycle is performed.

With reference to the accompanying Figure 7 describes the operating state when the water-cooled condenser is installed in the cooling system according to the present invention.

Referring to FIG. 7, a filter having different characteristics installed in the filter unit 10 is provided with a sedimentation filter, a sun carbon filter, a membrane, and a fu carbon filter sequentially installed in the direction in which the raw water moves to filter the raw water.

The water-cooled condenser 200 according to the present invention maximizes the efficiency of the condenser through heat exchange between the wastewater filtered and discarded by the filter unit 10 and the high temperature refrigerant compressed by the compressor 20.

That is, the wastewater discarded by the filter unit 10 is supplied to the lower side of the water-cooled condenser 200 through the supply pipe 32. The water-cooled condenser 200 is installed so that the inside is upright in a hollow state is filled by the discharged water supplied through the supply pipe (32).

In the above state, the refrigerant in the high temperature state discharged from the compressor 20 is supplied to the condensation tube 34 installed inside the water-cooled condenser 200 to perform pre-filled water discharge and heat exchange, and the condenser tube 34 is a condenser. A plurality of windings are formed along the longitudinal direction of the housing, so that the heat of the high temperature refrigerant discharged from the compressor 20 is released.

The condensation pipe 34 connected to the outside of the lower side of the water-cooled condenser 200 dissipates heat through air and condensation at room temperature once again in the air-cooled condenser 30, and the temperature is lowered, and the temperature is passed through the expansion valve 40. And pressure are further lowered and moved to the evaporator 50. The refrigerant moved to the evaporator absorbs the heat of purified water stored in the purified water tank 2 to cool it, and is supplied to the compressor 20 to perform continuous cycle operation.

The drain valve 36 for draining the discharged water stored therein is installed at the lower side of the water-cooled condenser 200 to perform forced drainage if necessary, and is discharged through the discharge pipe 38.

8 is a view showing a cooling system according to a third embodiment of the present invention, and includes an air conditioner, a refrigerator, and other refrigeration systems including the above-mentioned water purification system.

Referring to FIG. 8, the refrigerant in the high temperature state discharged from the compressor 20 discharges heat to the outside via the condenser 30, and is supplied to the intermediate heat exchanger 100 ′ along the refrigerant pipe 3. Then, the gaseous refrigerant supplied to the compressor 20 via the evaporator 50 is supplied to the compressor 20 through heat exchange with an excess heat source included in the compressor 20 to improve the evaporation capacity of the evaporator 50.

A dryer 400 ′ is integrally connected to the intermediate heat exchanger 100 ′ to remove moisture contained in the refrigerant moving through the refrigerant pipe 3.

With reference to the accompanying Figures 9 to 10 will be described the operating state according to a third embodiment of the present invention.

9 to 10, the high temperature liquid refrigerant generated by the compressor 20 is supplied to the intermediate heat exchanger 100 ′ via the condenser 30. In addition, the gas refrigerant via the evaporator 50 is supplied to the inlet (110 ') and the heat exchange between each other, the heat dissipation unit 300 installed in the refrigerant pipe (3) located inside the intermediate heat exchanger (100') ') Releases the thermal energy of the refrigerant in the high temperature state via the condenser 30.

As the heat is radiated through the heat radiating unit 300 ′ as described above, the temperature of the refrigerant supplied to the evaporator 50 via the expansion valve 40 is lowered, and the evaporation capacity of the evaporator 50 is maximized.

A dryer 400 'is integrally installed in the intermediate heat exchanger 100' to remove moisture contained in the refrigerant flowing through the refrigerant pipe 3.

On the other hand, the present invention can be variously modified by those skilled in the art without departing from the gist of the invention.

As described above, the cooling system according to the present invention is applicable to a water purification system or an air conditioning refrigeration system including the water purification system, and reduces the size of the air-cooled condenser by performing water-cooled condensation using the discharged water discharged to the outside. It can be effective.

In addition, by installing an intermediate heat exchanger, it is possible to maximize the evaporation capacity of the evaporator, improve the freezing capacity and the performance coefficient, and obtain a sufficient amount of cold water with reduced power consumption and extended maintenance time of the cold water stored in the purified water tank. It can be effective.

In addition, the capacity of the compressor can be reduced, and the temperature of the refrigerant supplied to the compressor is lowered, thereby preventing the compressor from overheating and oil deterioration and carbonization.

Claims (19)

delete delete A filter unit for filtering purified foreign matter contained in purified water and supplying purified water to a purified water tank; A compressor for discharging the liquid refrigerant in a high temperature and high pressure state; A condenser that discharges the heat of the refrigerant to the outside and condenses it; An expansion valve in which the refrigerant condensed in the condenser is phase-changed to a low temperature low pressure gas state; An evaporator for cooling the purified water to a low temperature state by exchanging the low temperature and low pressure gas refrigerant passing through the expansion valve with the purified water stored in the purified water tank; And Water-cooled condensers are installed to receive the purified water from the purified water supplied to the filter unit and receive the remaining wastewater, and each of the high-temperature heat sources of the high-temperature refrigerant discharged from the compressor is installed to exchange heat with each other. Cooling system characterized by recycling to improve condenser efficiency. A filter unit for filtering purified foreign matter contained in purified water and supplying purified water to a purified water tank; A compressor for discharging the liquid refrigerant in a high temperature and high pressure state; A condenser that discharges the heat of the refrigerant to the outside and condenses it; An expansion valve in which the refrigerant condensed in the condenser is phase-changed to a low temperature low pressure gas state; An evaporator for cooling the purified water to a low temperature state by exchanging the low temperature and low pressure gas refrigerant passing through the expansion valve with the purified water stored in the purified water tank; An intermediate heat exchanger in which heat is exchanged between an excess heat source of the gas refrigerant supplied to the compressor via the evaporator and a high temperature heat source of the refrigerant moving toward the expansion valve at the outlet of the condenser; And It is characterized in that it comprises a water-cooled condenser which receives the purified water in the purified water supplied to the filter unit and receives the remaining discharge water, and receives the high-temperature heat source of the high-temperature refrigerant discharged from the compressor to exchange heat with each other Cooling system. It is installed between the condenser and the expansion valve of the purified water cooling device to perform heat exchange, and the high temperature refrigerant moving along the refrigerant pipe via the condenser and the gas refrigerant through the evaporator flow into the intermediate heat exchanger body to face each other. An intermediate heat exchanger in which heat exchange is performed; The intermediate heat exchanger includes an inlet extending outward from the intermediate heat exchanger body and into which the gas refrigerant is introduced through the evaporator; And an outlet spaced apart from the inlet port so that the refrigerant supplied to the inner region of the intermediate heat exchanger body through the inlet port can flow to the compressor. In the intermediate heat exchanger, the refrigerant pipe moved through the condenser is inclined toward the center of the intermediate heat exchanger body from the outside of the intermediate heat exchanger body at a portion in contact with the front end of the intermediate heat exchanger body. The inclined portion closely contacted to the outside, the rear end of the intermediate heat exchanger body is fixedly installed on the refrigerant pipe and sealed through the rear end of the intermediate heat exchanger body, the through-hole is formed so that the refrigerant moved through the refrigerant pipe can flow Cooling system comprising a plate. delete The method of claim 5, The intermediate heat exchanger is a cooling system, characterized in that the heat dissipation unit is installed on the outside of the refrigerant pipe located inside the intermediate heat exchanger body so that the heat of the high temperature refrigerant via the condenser is conducted. The method of claim 7, wherein The heat dissipation unit is a cooling system, characterized in that installed in the form of a coil along the longitudinal direction of the refrigerant pipe. The method of claim 7, wherein The heat dissipating unit is a cooling system, characterized in that the screw-shaped spiral plate having a size similar to the inner diameter of the intermediate heat exchanger body is installed. The method of claim 7, wherein The heat dissipation unit is a cooling system, characterized in that the hatching heat of the grid form is formed on the outside of the refrigerant pipe. The method of claim 5, Between the expansion valve and the intermediate heat exchanger, one end is connected to the sealing plate of the intermediate heat exchanger in order to remove moisture contained in the refrigerant via the intermediate heat exchanger, and is formed to extend horizontally, and the other end is connected to the expansion valve. Cooling system, characterized in that the first mesh is installed inside the other end of the dryer to prevent the outflow of dry grains. The method of claim 5, The sealing plate is provided with a second mesh portion on the through hole to prevent the outflow of the dry grains cooling system. The method of claim 11, And the dryer is integrated with the intermediate heat exchanger. A supply pipe connected between the compressor of the purified water cooling device and an air-cooled condenser having a plurality of heat dissipation fins, and supplied with purified water drained through a filter to a lower side of the vertically upright condenser housing; A condensation tube which is formed to be wound up to the inner lower region of the condenser housing a plurality of times in a state in which a refrigerant tube through which the high temperature refrigerant discharged from the compressor flows is inserted into the upper side of the condenser housing and extends outwardly; And It is connected to the upper side of the condenser housing is provided with a discharge pipe for the water treatment is the water supplied to the condenser housing is discharged and the high temperature refrigerant flowing through the purified water and the condensation tube supplied to the inner region of the condenser housing through the supply pipe heat exchange is Cooling system comprising a water-cooled condenser made. The method of claim 14, The water-cooled condenser is a cooling system, characterized in that the drain valve is installed to drain the purified water supplied through the supply pipe at the lower side. delete An intermediate heat exchanger is installed between the condenser and the expansion valve of the cooling device to perform heat exchange. An inlet extending outward from the intermediate heat exchanger to be supplied to the inside; An outlet configured to be spaced apart from the inlet so as to be supplied to the compressor after the low temperature gas refrigerant supplied through the inlet and the high temperature refrigerant discharged from the outlet of the condenser are heat exchanged to face each other; And It is installed along the refrigerant pipe located across the intermediate heat exchanger, and comprises a heat dissipation unit for conducting the heat of the high-temperature refrigerant via the condenser, Cooling system, characterized in that the one end is connected to the front end of the intermediate heat exchanger and the other end is connected to the expansion valve to remove the water contained in the refrigerant pipe is integrated with the intermediate heat exchanger. The method of claim 17, Cooling system, characterized in that any one of the coil-shaped or screw-shaped spiral plate is installed along the coolant pipe. delete

Images