KR100421106B1 - Cold or hot fluid supplying system - Google Patents

Abstract

The present invention relates to a cold and warm fluid supply system for supplying cold and warm fluid to fish farms, bathhouses, swimming pools, etc., wherein the fluid inlet 11 of the evaporative heat exchanger 10 has a valve 101a and a 102a. The fluid inlet 21 of the condensation heat exchanger 20 is connected to the fluid supply source 30 and the fluid source 40 through the fluid supply pipe 101 and the first fluid recovery pipe 102. The fluid supply port 12 of the evaporative heat exchanger 10 is connected to the fluid supply source 30 and the fluid supply source 40 through the second fluid supply pipe 201 and the second fluid recovery pipe 202 having the 202a. Is connected to the fluid source 40 and the fluid waste destination through the first fluid supply pipe 103 having the valves 103a and 104a and the first fluid closed pipe 104, and the fluid outlet of the condensation heat exchanger 20. 22 is connected to the fluid source 40 and the fluid waste destination through the second fluid supply pipe 203 and the second fluid closed pipe 204 having the valves 203a and 204a, thereby providing a refrigerant path of the refrigeration cycle. Not convert It flew an effect that may be selectively supplied with a cold, on the fluid.

Description

Cold or hot fluid supplying system

The present invention relates to a cold and warm fluid supply system for supplying cold and warm fluid to fish farms, baths, swimming pools, etc. More specifically, it is possible to selectively supply cold and warm fluids without changing the refrigerant path of the refrigeration cycle. To a cold and warm fluid supply system.

Generally, cold and warm fluid supply systems for supplying cold and warm fluids to fish farms, baths, and swimming pools include an expander for expanding a refrigerant, an evaporation heat exchanger connected to the expander to evaporate the refrigerant, and a refrigerant connected to the evaporation heat exchanger to compress the refrigerant. By using a predetermined basic refrigeration cycle comprising a compressor and a condensation heat exchanger connected to the compressor and condensing the refrigerant to supply to the expander, the fluid provided from the fluid supply source, such as groundwater or seawater, through a predetermined pipe configuration By passing through the exchanger and the condensation heat exchanger and exchanging heat with the refrigerant, the cooled or heated cold or warm fluid is provided to the fluid source.

However, in the conventional cold and warm fluid supply system, the piping equipment has a very complicated problem because the refrigerant circulation path of the refrigeration cycle has to be changed when obtaining a cooled fluid and when obtaining a heated fluid.

In addition, when the refrigerant circulation path of the refrigerating cycle is frequently changed, there is a problem that the service life of the equipment is reduced because the temperature of the pipe changes.

The present invention is to solve this conventional problem, the object is to provide a cold, warm fluid supply system that can be supplied to the fluid requirements by cooling or heating the fluid without changing the refrigerant circulation path of the refrigeration cycle In providing.

1 is a schematic block diagram showing an embodiment of a cold, warm fluid supply system according to the present invention;

FIG. 2 is a fluid flow diagram when supplying cooling fluid by the cold and warm fluid supply system of FIG.

FIG. 3 is a flow chart of supplying heating fluid by the cold and warm fluid supply system of FIG.

Figure 4 is a schematic block diagram showing another embodiment of the cold, warm fluid supply system according to the present invention;

FIG. 5 is a flow chart when supplying cooling fluid by the cold and warm fluid supply system of FIG. 4; FIG.

FIG. 6 is a flow chart when supplying heating fluid by the cold and warm fluid supply system of FIG. 4; FIG. to be.

※ Explanation of symbols about main part of drawing ※

10: evaporative heat exchanger 11: fluid inlet

12: fluid outlet 20: condensation heat exchanger

21: fluid inlet 22: fluid outlet

30: fluid supply 40: fluid requirements

50: waste heat exchanger 51a: first fluid inlet

51b: first fluid outlet 52a: second fluid outlet

52b: second fluid outlet 71, 72: pump

80: compressor 90: expander

101: first fluid supply pipe 102: first fluid recovery pipe

103: first fluid supply pipe 104: the first fluid closed pipe

201: 2nd fluid supply pipe 202: 2nd fluid recovery pipe

203: second fluid supply pipe 204: second fluid closed pipe

Valve: 101a, 102a, 103a, 104a, 201a, 202a, 203a, 204a

As a technical configuration for achieving the above object, the present invention, an expander for expanding the refrigerant, an evaporation heat exchanger for raising the temperature of the fluid flowing through the fluid inlet and discharged through the fluid outlet by the latent evaporation of the refrigerant, the refrigerant And a refrigeration cycle equipped with a compressor for compressing and a condensation heat exchanger for lowering the temperature of the fluid introduced through the fluid inlet and discharged through the fluid outlet by the latent condensation of the refrigerant, thereby cooling or heating the fluid provided from the fluid supply source. In a cold and warm fluid supply system configured to supply the fluid to the fluid source, the fluid inlet of the evaporative heat exchanger is connected to the fluid supply source and the fluid source via a first fluid supply pipe having a valve and a first fluid return pipe. The fluid inlet of the condensation heat exchanger is provided through a second fluid supply pipe having a valve and a second fluid recovery pipe. A fluid outlet of the evaporative heat exchanger is connected to the fluid receiver and a fluid waste outlet through a first fluid supply pipe having a valve and a first fluid closed pipe, and a fluid of the condensation heat exchanger. The outlet is by providing a cold and hot fluid supply system, characterized in that connected to the fluid and the fluid waste through the second fluid supply pipe having a valve and the second fluid closed pipe.

In addition, the present invention, through an expander for expanding the refrigerant, an evaporation heat exchanger for raising the temperature of the fluid flowing through the fluid inlet and discharged through the fluid outlet by the latent heat of evaporation of the refrigerant, a compressor for compressing the refrigerant, and through the fluid inlet It includes a refrigeration cycle having a condensation heat exchanger for lowering the temperature of the fluid introduced through the fluid outlet by the latent heat of condensation of the refrigerant, the fluid flowing into the fluid inlet of the evaporation heat exchanger and the condensation heat exchanger heat exchange in the waste heat exchanger In the cold and warm fluid supply system to cool or heat the fluid provided from the fluid supply source to supply to the fluid user, the waste heat exchanger through the first fluid supply pipe having a valve and the first fluid recovery pipe Receiving the fluid from the first fluid inlet connected to the fluid supply source and the fluid source to evaporate the fluid The fluid inlet of the condensation heat exchanger receives fluid from the second fluid inlet connected to the fluid supply source and the fluid source through a second fluid supply pipe having a valve and a second fluid return pipe having a discharge to the fluid inlet of the heat exchanger. The fluid outlet of the evaporative heat exchanger is connected to the fluid conduit and the fluid waste outlet via a first fluid supply pipe having a valve and a first fluid closed pipe, and the fluid outlet of the condensation heat exchanger has a valve. By providing a cold, hot fluid supply system, characterized in that connected to the fluid and the fluid waste through the fluid supply pipe and the second fluid waste pipe.

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

1 is a block diagram schematically showing an embodiment of a cold and hot fluid supply system according to the present invention, an expander for expanding a refrigerant, an evaporation heat exchanger connected to the expander to evaporate the refrigerant, and connected to the evaporation heat exchanger. A predetermined basic refrigeration cycle comprising a compressor for compressing the refrigerant, and a condensation heat exchanger connected to the compressor to condense and supply the refrigerant to the expander, a fluid supply source receiving a fluid to be cooled or heated, and a cooled or heated fluid. And a plumbing facility for supplying fluid reservoirs and connecting them to each other to provide a refrigerant and a fluid path.

The evaporative heat exchanger (10) has a refrigerant inlet (13) for receiving refrigerant from the expander (90) and a refrigerant outlet (14) for discharging the refrigerant introduced from the refrigerant inlet (13) to the compressor (80). The fluid inlet 11 and the fluid inlet (1) receiving fluid from the fluid supply source (30) through the fluid supply pipe 101 or from the fluid source (40) through the first fluid return pipe (102). 11) the fluid introduced from the refrigerant is discharged to the fluid requirements 40 through the first fluid supply pipe 103 after the heat exchange with the refrigerant or a fluid waste destination (not shown) through the first fluid closed pipe 104 It has a fluid outlet (12) for discharging to).

In addition, the first fluid providing pipe 101 and the first fluid return pipe 102 are respectively equipped with opening / closing valves 101a and 102a to select a fluid into the fluid inlet 11 of the evaporative heat exchanger 10. The fluid of the supply source 30 may be supplied or the fluid of the fluid body 40 may be supplied.

Similarly, opening and closing valves 103a and 104a are also mounted to the first fluid supply pipe 103 and the first fluid closed pipe 104, respectively, to discharge the fluid from the fluid outlet 12 of the evaporative heat exchanger 10 by selection. The fluid is configured to be supplied to the fluid reservoir 40 or to be discarded at the fluid waste stream.

After connecting the first fluid providing pipe 101 and the first fluid recovery pipe 102 at a predetermined location, the connection point and the fluid inlet 11 of the evaporative heat exchanger 10 through separate connection pipes. It is preferable to connect, and this connection pipe is equipped with a pump 71.

The condensation heat exchanger (20) has a refrigerant inlet (23) for receiving refrigerant from the compressor (80) and a refrigerant outlet (24) for discharging the refrigerant introduced from the refrigerant inlet (23) to the expander (90), In addition, the fluid inlet 21 and the fluid to receive the fluid from the fluid supply source 30 through the second fluid supply pipe 201 or from the fluid source 40 through the second fluid return pipe 202 After heat-exchanging the fluid introduced from the inlet 21 with the refrigerant to discharge to the fluid requirements 40 through the second fluid supply pipe 203 or to the fluid waste destination through the second fluid closed pipe 204. It has a fluid outlet 22 for.

The on-off valves 201a and 202a are mounted on the second fluid supply pipe 201 and the second fluid return pipe 202, respectively, so that the fluid flows into the fluid inlet 21 of the condensation heat exchanger 20 by selection. The fluid of the supply source 30 may be supplied or the fluid of the fluid body 40 may be supplied.

Likewise, the second fluid supply pipe 203 and the second fluid closed pipe 204 are also equipped with opening / closing valves 203a and 204a, respectively, to be discharged from the fluid outlet 22 of the condensation heat exchanger 20 by selection. The fluid is configured to be supplied to the fluid reservoir 40 or to be discarded at the fluid waste stream.

After connecting the second fluid providing pipe 201 and the second fluid return pipe 202 at a predetermined location, the connection point and the fluid inlet 21 of the condensation heat exchanger 20 through separate connection pipes. It is preferable to connect, and this connection pipe is equipped with a pump 72.

Figure 4 is a schematic view showing another embodiment of the cold, warm fluid supply system according to the present invention, having a configuration substantially similar to the configuration of Figure 1 described above.

In the present embodiment, a waste heat exchanger 50 is further provided, and the waste heat exchanger 50 heat-exchanges the fluid provided from the fluid supply destination 30 and the fluid discarded after being used at the fluid demand 40. It is characterized by effectively recovering the waste heat of the fluid discarded after being used in the fluid requirements (40).

Accordingly, the first fluid supply pipe 101 and the first fluid recovery pipe 102 are connected to the first fluid inlet 51a of the waste heat exchanger 50, and the second fluid supply pipe 201 The first fluid inlet pipe 202 is connected to the second fluid inlet port 52a of the waste heat exchanger 50, and the first fluid inlet of the first fluid inlet port 51a of the waste heat exchanger 50 is discharged. A second fluid outlet 52b to which the fluid outlet 51b and the fluid inlet 11 of the evaporative heat exchanger 10 are connected, and the fluid supplied to the second fluid inlet 52a of the waste heat exchanger 50 is discharged. And the fluid inlet 21 of the condensation heat exchanger 20 are connected.

In the cold and warm fluid supply system shown in FIGS. 1 and 4, a plurality of compressors 80 and expanders 90 are provided, and these compressors 80 and expanders 90 are arranged in series or in parallel. It is preferable to make it. In addition, it is preferable that a plurality of evaporation heat exchangers 10 and condensation heat exchangers 20 are provided, and these evaporation heat exchangers 10 and condensation heat exchangers 20 are arranged in series or in parallel. Of course, in this case, the piping configuration connecting the evaporation heat exchanger 10, the condensation heat exchanger 20, the compressor 80, and the expander 90 to each other may be variously changed, and also, if necessary, Supplying a refrigerant only to any one, supplying a refrigerant only to any one of the condensation heat exchanger 20, supplying a refrigerant only to any one of the compressor 80, or supplying a refrigerant only to any one of the expander (90) Forms of operation can be made.

This improves the cooling and heating performance of the fluid by the cold and warm fluid supply system according to the present invention, or even when the temperature of the fluid provided from the fluid supply source 30 is changed, It is very effective to keep the temperature constant at the required set temperature.

The operation of the present invention having the above configuration will be described.

FIG. 2 is a fluid flow diagram when a cooling fluid is supplied to a fluid source by the cold and warm fluid supply system of the present invention shown in FIG. 1, and the valve 101a and the first fluid of the first fluid supply pipe 101 are shown in FIG. The valve 103a of the supply pipe 103, the valve 202a of the second fluid return pipe 202, and the valve 204a of the second fluid closed pipe 204 are opened, and the second fluid supply pipe 201 is opened. The valve 201a, the valve 203a of the second fluid supply pipe 203, the valve 102a of the first fluid return pipe 102, and the valve 104a of the first fluid closed pipe 104 are closed.

That is, the fluid from the fluid supply source 30 is supplied to the fluid inlet 11 of the evaporation heat exchanger 10 through the first fluid supply pipe 101, and the fluid thus supplied exchanges heat with the refrigerant in the evaporation heat exchanger 10. After cooling by the liquid is discharged to the fluid outlet 12, the fluid discharged from the fluid outlet 12 is supplied to the fluid body 40 through the first fluid supply pipe (103).

Subsequently, the fluid used in the fluid element 40 is supplied to the fluid inlet 21 of the condensation heat exchanger 20 through the second fluid return pipe 202, and the fluid thus supplied is supplied to the condensation heat exchanger 20. Heat exchanged with the refrigerant in the) is discharged to the fluid outlet 22, the fluid discharged from the fluid outlet 22 is disposed through the second fluid closed pipe 204.

FIG. 3 is a fluid flow diagram when a heating fluid is supplied to a fluid source by the cold and warm fluid supply system of the present invention shown in FIG. 1, and the valve 101a of the first fluid supply pipe 101 is opposite to the above. , The valve 103a of the first fluid supply pipe 103, the valve 202a of the second fluid return pipe 202, and the valve 204a of the second fluid closed pipe 204 are closed, and the second fluid supply pipe The valve 201a of the 201, the valve 203a of the second fluid supply pipe 203, the valve 102a of the first fluid return pipe 102 and the valve 104a of the first fluid closed pipe 104 are Open.

That is, the fluid from the fluid supply source 30 is supplied to the fluid inlet 21 of the condensation heat exchanger 20 through the second fluid supply pipe 201, and the fluid thus supplied exchanges heat with the refrigerant in the condensation heat exchanger 20. After heated by the fluid discharge port 22, the fluid discharged from the fluid outlet 22 is supplied to the fluid body 40 through the second fluid supply pipe (203).

Subsequently, the fluid used in the fluid element 40 is supplied to the fluid inlet 11 of the evaporation heat exchanger 10 through the first fluid return pipe 102, and the fluid thus supplied is supplied to the evaporation heat exchanger 10. Heat exchanged with the refrigerant in the) is discharged to the fluid outlet 12, the fluid discharged from the fluid outlet 12 is disposed through the first fluid closed pipe (104).

Accordingly, the valve 101a of the first fluid supply pipe 101, the valve 103a of the first fluid supply pipe 103, and the second fluid return pipe 202 of the first fluid supply pipe 101 are not changed at all. The valve 204a of the valve 202a and the second fluid closed pipe 204, the valve 201a of the second fluid supply pipe 201, the valve 203a of the second fluid supply pipe 203, and the first fluid By opening and closing the valve 102a of the recovery pipe 102 and the valve 104a of the first fluid closed pipe 104 to each other, a cooling fluid or a heating fluid can be supplied to the fluid required body 40.

FIG. 5 is a fluid flow diagram when a cooling fluid is supplied to a fluid destination by the cold and warm fluid supply system of the present invention shown in FIG. 4, and the opening and closing state of the valve is shown in FIG.

That is, the fluid from the fluid supply source 30 is supplied to the first fluid inlet 51a of the waste heat exchanger 50 through the first fluid supply pipe 101 and is heat-exchanged in the waste heat exchanger 50 before the first fluid outlet. Supplied to the fluid inlet 11 of the evaporative heat exchanger 10 through 51b, and the fluid thus supplied is cooled by heat exchange with a refrigerant in the evaporative heat exchanger 10 and then discharged to the fluid outlet 12, The fluid discharged from the fluid outlet 12 is supplied to the fluid body 40 through the first fluid supply pipe 103.

Subsequently, the fluid used in the fluid demanding body 40 is supplied to the second fluid inlet 52a of the waste heat exchanger 50 through the second fluid return pipe 202 to be heat exchanged in the waste heat exchanger 50. After the second fluid outlet (52b) is supplied to the fluid inlet 21 of the condensation heat exchanger 20, the fluid thus supplied is heat-exchanged with the refrigerant in the condensation heat exchanger 20 and then discharged to the fluid outlet (22) The fluid discharged from the fluid outlet 22 is disposed through the second fluid closed pipe 204.

FIG. 6 is a fluid flow diagram when a heating fluid is supplied to a fluid source by the cold and warm fluid supply system of the present invention shown in FIG. 4. FIG.

That is, the fluid from the fluid supply source 30 is supplied to the second fluid inlet port 52a of the waste heat exchanger 50 through the second fluid supply pipe 201 to be heat exchanged in the waste heat exchanger 50, and then to the second fluid outlet port. Through the 52b is supplied to the fluid inlet 21 of the condensation heat exchanger 20, the fluid thus supplied is heated by heat exchange with the refrigerant in the condensation heat exchanger 20 and then discharged to the fluid outlet 22, The fluid discharged from the fluid outlet 22 is supplied to the fluid body 40 through the second fluid supply pipe 203.

Subsequently, the fluid used in the fluid demanding body 40 is supplied to the first fluid inlet 51a of the waste heat exchanger 50 through the first fluid return pipe 102 to be heat exchanged in the waste heat exchanger 50. After the first fluid outlet (51b) is supplied to the fluid inlet 11 of the evaporation heat exchanger 10, the fluid thus supplied is heat-exchanged with the refrigerant in the evaporation heat exchanger (10) is discharged to the fluid outlet (12) The fluid discharged from the fluid discharge port 12 is disposed through the first fluid closed pipe 104.

Therefore, the cooling fluid or the heating fluid can be supplied to the fluid body 40 without changing the refrigerant path of the refrigeration cycle at all, and the fluid and the fluid supplied from the fluid supply source 30 by the waste heat exchanger 50 can be supplied. The waste heat is effectively recovered by exchanging the supplied fluids with each other after being used at the required location 40.

As described above, according to the cold and warm fluid supply system according to the present invention, the cooling or heating fluid can be obtained without changing the refrigerant circulation path of the refrigeration cycle.

In addition, there is an effect that the refrigerant circulation path is constant so that the piping equipment can be easily configured.

In addition, since the temperature of the refrigerant is maintained at a substantially constant state at any point of the refrigerant pipe, the service life of the pipe and the like is extended.

Claims (10)

An evaporator that expands the refrigerant, an evaporative heat exchanger that raises the temperature of the fluid introduced through the fluid inlet and discharged through the fluid outlet by the evaporative latent heat of the refrigerant, a compressor that compresses the refrigerant, and a fluid inlet that enters through the fluid inlet It includes a refrigeration cycle equipped with a condensation heat exchanger for lowering the temperature of the discharged fluid by the latent condensation of the refrigerant, the cold and warm fluid supply system to cool or heat the fluid supplied from the fluid supply source to supply to the fluid requirements To The fluid inlet 11 of the evaporative heat exchanger 10 requires fluid with the fluid supply source 30 through the first fluid supply pipe 101 and the first fluid recovery pipe 102 having the valves 101a and 102a. And a fluid inlet 21 of the condensation heat exchanger 20 through the second fluid supply pipe 201 and the second fluid recovery pipe 202 having valves 201a and 202a. The fluid outlet 12 of the evaporative heat exchanger 10 is connected to the fluid supply destination 30 and the fluid demand destination 40, and the first fluid supply pipe 103 having the valves 103a and 104a and the first fluid closure. A second fluid supply pipe 203 connected to the fluid reservoir 40 and the fluid waste outlet through the engine 104, and the fluid outlet 22 of the condensation heat exchanger 20 has valves 203a and 204a. Cooling and hot fluid supply system, characterized in that connected via the second fluid waste pipe (204) and the fluid requirements 40 and the fluid waste destination. The cold and warm fluid supply system of claim 1, wherein the evaporative heat exchanger is composed of a plurality of connected in series or in parallel. The cold and warm fluid supply system of claim 1, wherein the condensation heat exchanger comprises a plurality of condensation heat exchangers connected in series or in parallel. The cold and warm fluid supply system of claim 1, wherein the refrigeration cycle comprises a plurality of compressors connected in series or in parallel. The cold and warm fluid supply system of claim 1, wherein the refrigeration cycle comprises a plurality of expanders connected in series or in parallel. An evaporator that expands the refrigerant, an evaporative heat exchanger that raises the temperature of the fluid introduced through the fluid inlet and discharged through the fluid outlet by the evaporative latent heat of the refrigerant, a compressor that compresses the refrigerant, and a fluid inlet that enters through the fluid inlet It includes a refrigeration cycle is provided with a condensation heat exchanger for lowering the temperature of the discharged fluid by the latent heat of condensation of the refrigerant, the fluid flowing into the fluid inlet of the evaporation heat exchanger and the condensation heat exchanger heat exchanged in the waste heat exchanger, provided by the fluid supply source In the cold and warm fluid supply system to cool or heat the received fluid to supply to the fluid source, The waste heat exchanger (50) is connected to the fluid supply source (30) and the fluid source (40) through a first fluid supply pipe (101) having a valve (101a) (102a) and a first fluid return pipe (102). The second fluid providing pipe 201 and the second fluid having the valves 201a and 202a while being supplied with the fluid from the first fluid inlet 51a and discharged to the fluid inlet 12 of the evaporative heat exchanger 10. Receives fluid from the second fluid inlet 52a connected to the fluid supply source 30 and the fluid source 40 through the return pipe 202, and discharges the fluid to the fluid inlet 22 of the condensation heat exchanger 20. The fluid outlet 12 of the evaporative heat exchanger 10 is connected to the fluid source 40 and the fluid waste outlet via the first fluid supply pipe 103 having the valves 103a and 104a and the first fluid waste pipe 104. Fluid outlet 22 of the condensation heat exchanger 20 is connected to the fluid outlet 22 through the second fluid supply pipe 203 and the second fluid closed pipe 204 having valves 203a and 204a. 40) and fluid Cooling, on the fluid supply system according to claim connected to a gicheo. 7. The cold and warm fluid supply system of claim 6, wherein the evaporative heat exchanger is composed of a plurality of connected in series or in parallel. 7. The cold and warm fluid supply system of claim 6, wherein the condensation heat exchanger comprises a plurality of condensation heat exchangers connected in series or in parallel. 7. The cold and warm fluid supply system of claim 6, wherein the refrigeration cycle comprises a plurality of compressors connected in series or in parallel. 7. The cold and warm fluid supply system of claim 6, wherein the refrigeration cycle comprises a plurality of expanders connected in series or in parallel.