KR101125771B1 - Heating and cooling apparatus of sea water used for preserve tank system of imported live-fish - Google Patents

Abstract

The present invention relates to an apparatus for heating and cooling seawater by using a condenser and an evaporator of a refrigerant cycle, and more particularly, while allowing a refrigerant to flow into an inside of a heat exchange tank serving as an outer shell, A full-sized heat exchanger installed with a heat exchanger tube in which seawater flows is used as a condenser and an evaporator, and selected from the seawater pumped from the intake water and heated and cooled in the condenser and the evaporator to supply the required seawater to a water tank, and supply it to a water tank. The unsealed seawater is discharged back to the intake area along with the seawater used in the water tank, so that the seawater stored in the water tank can be maintained at a temperature most suitable for storing live fish regardless of the season, while exchanging expensive corrosion-resistant materials. Even if it is not applied to the tank, seawater can be Efficient and hygienic heating and cooling is applied, and open seawater flow paths connected to intake waters are applied to prevent seawater contamination by excretion or refrigerant gas, so that the health and commercial quality of live fish can be maintained at the highest level. As a result, the seawater heating and cooling of the tank for storing the imported live fish, which can be optimally applied to the tank facility installed in the coastal inland adjacent to the intake sea, in order to store the imported live fish which is difficult to adapt to the temperature change in the coastal waters of Korea Relates to a device.
To this end, the present invention, the compressor (1), the condenser (2), the expansion valve (4) and the evaporator (3) by using a refrigerant cycle connected to the refrigerant pipe to heat and cool the sea water during the condensation and evaporation of the refrigerant. In one apparatus, the condenser (2) and the evaporator (3) of the refrigerant cycle have heat exchange tubes (25) (35) into which seawater flows into the heat exchange tanks (21) (31) provided for the flow of refrigerant. The installed shell & tube or shell & fin-tube heat exchanger is installed, and each of the heat exchange tubes 25 and 35 includes a seawater pump 8a and a seawater filter 8b. It is installed in connection with the sea water inlet pipe (8) extending from the intake water in the equipped state, while being connected to the water tank (10) by the heating seawater discharge pipe (9) and the cooling seawater discharge pipe (18), respectively, the heated seawater discharge pipe Each discharge pipe 9 before the cooling seawater discharge pipe 18 and the cooling water discharge pipe 18 are connected to the water tank 10; Drain pipes 9a and 18a branch from 18, and the drain pipes 9a and 18a, the heated seawater discharge pipe 9 and the cooling seawater discharge pipe 18 provide a flow path of seawater to the water tank 10 or It is characterized in that the valve mechanism (V) for adjusting to the intake area.

Description

Heating and cooling apparatus for the seawater system for imported live fish storage {Heating and cooling apparatus of sea water used for preserve tank system of imported live-fish}

In the present invention, the refrigerant flows into the inside of the heat exchange tank that becomes the outer shell, and the liquid-type heat exchanger having the heat exchange tube in which the seawater flows inside the heat exchange tank is used as the condenser and the evaporator of the refrigerant cycle, respectively. Imported fish that are pumped from the seawater heated and cooled in the condenser and evaporator to supply the required seawater to the tank, while the seawater not supplied to the tank is discharged back to the intake with the seawater used in the tank. The present invention relates to a seawater heating and cooling device for a storage tank facility.

In recent years, the food service industry has developed greatly along with the increase of national income, and the consumption of meat is gradually decreasing due to disease of livestock such as foot-and-mouth disease, bird flu or mad cow disease. Consumption is on the rise, and the consumption of live fish is showing a marked increase, especially due to the preference of domestic consumers who prefer live fish.

On the contrary, since the amount of live fish caught in coastal waters cannot keep up with the consumption due to the continuous decrease of fish stocks in Korea's coastal waters, most of the supply of black sea bream, sea bream or sea bass, which are highly preferred by domestic consumers However, due to rising labor costs, feed and oil costs, the price of farmed fish is also rising.

As a result, high-quality live fish such as domes, sea bass, or viscous fish, which have been caught in large quantities in Russia, which have a lower labor cost and abundant fish resources than Korea, are imported into Korea, and then stored in high-density water tank facilities adjacent to coastal waters. It is distributed to the consumption areas of the country, and the share of imported live fish also exceeds the live fish caught or farmed in Korea.

Water tank equipment used for high-density storage of imported live fish as described above is usually stored in the coastal inland adjacent to the coastal waters, and directly supplied to the tank by pumping the seawater used as live fish from the intake water, and then provided with the water tank By circulating and purifying the seawater through various filtration devices, live fish stored in the tank can be stored for a certain period of time.

However, in recent years, the seawater temperature in coastal waters has changed drastically due to the influence of the environment such as global warming. In winter, the seawater temperature of coastal water drops to about 5 ~ 6 ℃, and in summer, the seawater temperature in coastal waters Since the temperature rises to about 25 ~ 26 ℃, the most active imported live fish at a temperature around 18 ℃ is not able to adapt to the sea temperature of the coastal waters.

In other words, when the seawater pumped from the intake water in the winter and summer seasons is used to store live fish, the activity and immunity of imported live fish stored in the tank is greatly increased due to the relatively high or low temperature of the seawater. This is because the imported live fish stored in a high density in the tank is easily exposed to damage to the body or disease, causing a problem that has a fatal adverse effect on the freshness and the value of the imported live fish.

In order to solve the above problems, by applying a refrigerant cycle including a compressor, a condenser and an evaporator to the imported live fish storage tank facility, the seawater stored in the tank is heated in the condenser or cooled in the evaporator to cool the temperature of the seawater. It is known to maintain as, the condenser and the evaporator is a heat exchanger for performing heat exchange between the sea water and the refrigerant.

However, the conventional refrigerant cycle applied to the aquarium facility for imported live fish is a shell & tube or shell & fin tube in which a refrigerant pipe in which refrigerant flows is installed inside a heat exchange tank in which seawater flows. By using a tube-type heat exchanger as a condenser and an evaporator respectively, and applying an expensive corrosion-resistant material so that the heat exchange tank (outer shell) for the condenser and the evaporator is not corroded by sea water, the facility cost of the tank facility including the refrigerant cycle It was a factor to greatly increase the.

In addition, since the seawater piping for the water tank and the refrigerant piping for the refrigerant cycle form different closed circulation paths, the seawater piping and the refrigerant piping are condensers so that the seawater can be heated in the condenser in winter and the seawater can be cooled in the evaporator in summer. And the piping work associated with the evaporator has become a complicated and difficult work using the four-way control valve, etc., which caused the facility cost of the water tank equipment to increase even more.

As described above, since the facility cost of the tank facility for the storage of imported live fish is enormous, the contractors handling the imported live fish have a considerable economic burden in terms of securing a facility capable of fresh storage of the imported live fish. Due to condensed milk, even if it is an imported live fish, it does not meet the needs of consumers who want fresh products.

Particularly, in the tank facility that stores the imported live fish at high density, even though the seawater is purified through the filtration device, various foreign substances such as the excreta of the live fish accumulate in high concentration in the seawater in a short time, thereby optimizing the condition of the seawater for the storage of the live fish. There was a problem that is difficult to make, and when the refrigerant is leaked from the refrigerant pipe inside the heat exchange tank of the condenser and the evaporator, and the refrigerant leaks from the refrigerant pipe, the live fish stored in the tank dies. It was to expose.

The present invention has been made to solve the conventional problems as described above, the seawater heating and cooling device of the imported live fish storage tank according to the present invention, the refrigerant flows into the inside of the heat exchange tank that becomes the outer shell By using a full-sized heat exchanger installed as a condenser and an evaporator, a heat exchanger tube equipped with a heat exchange tube in which the seawater flows inside the heat exchange tank can be used to maintain the seawater stored in the tank at the most suitable temperature for live fish storage regardless of the season. However, even if expensive corrosion-resistant materials are not applied to the heat exchange tank, it is possible to heat and cool the seawater efficiently and hygienically while preventing corrosion of the condenser and evaporator, thereby providing excellent live storage performance of the tank facility including the refrigerant cycle. The first technical aspect is to secure the facility cost while securing It is a task.

In addition, the seawater pumped from the intake seawater is selected from the seawater heated and cooled in the condenser and the evaporator, and is supplied to the water tank. By applying an open seawater flow path connected to the intake water, the pipe structure of the water tank facility can be further simplified, further contributing to the reduction of the facility cost of the water tank facility, and various foreign substances such as excreta or refrigerant gas. The second technical problem is to prevent the pollution of the seawater caused by the back and the like, so that the health status and the commercial quality of the live fish can be maintained at the best.

Accordingly, the present invention provides a seawater heating and cooling apparatus that can be optimally applied to the water tank facilities installed in the coastal inland adjacent to the intake water in order to store the imported live fish which is difficult to adapt to the temperature change in the domestic coastal water at high density. Of course, by minimizing the economic burden on contractors handling imported live fish by reducing the facility cost of the tank facility including the apparatus of the present invention to the maximum, by further expanding the bottom of the tank for storage of imported live fish The ultimate technical challenge is to provide consumers with cheap and fresh live fish.

The present invention as a means for solving the above technical problem, in the apparatus for heating and cooling the sea water during the condensation and evaporation of the refrigerant by using a refrigerant cycle connected to the refrigerant pipe, the compressor, the condenser, the expansion valve and the evaporator The condenser and the evaporator of the refrigerant cycle may be a full-scale shell-and-tube or shell-and-pin tube heat exchanger having a heat exchange tube into which a seawater flows into an inside of a heat exchange tank provided for the flow of the refrigerant, wherein each of the heat exchange tubes is a sea water pump. And a seawater inlet pipe extending from the intake water with the seawater filter installed thereon, respectively, connected to the water tank by a heated seawater discharge pipe and a cooling seawater discharge pipe, wherein the heated seawater discharge pipe and the cooling seawater discharge pipe are connected to the water tank. The drain pipe is branched from each discharge pipe before being discharged. Inbae tube and the heating water discharge pipe and the cooling water discharge pipe is characterized in that the valve mechanism for regulating the flow path of the water in the tank or water intake area is installed.

In addition, a refrigerant liquid distributor and a refrigerant gas discharger are respectively installed on the lower side and the upper side of the heat exchange tank for the evaporator, and the refrigerant liquid distributor and the refrigerant gas discharger are installed along a longitudinal direction of the heat exchange tank, and the main pipe. It characterized in that the branch consisting of a plurality of branch pipes are connected to the heat exchange tank and installed, the heat exchange tank outer surface of the evaporator is connected to a plurality of oil recovery pipes are installed along the height direction, the oil recovery pipe is one pipe It is characterized in that it is connected to the refrigerant line is installed to extend from the refrigerant gas discharger to the compressor side.

In addition, the refrigerant line extending from the refrigerant gas discharger to the compressor side is installed by dividing the accumulator into an evaporative refrigerant line and a suction line with the accumulator before and after, and the evaporative refrigerant line and the suction line are connected to the upper side of the accumulator, respectively. The oil recovery line extends from the lower side of the accumulator and is connected to the suction line, and the oil recovery pipe extending from the heat exchange tank of the evaporator is connected to the oil recovery line of the accumulator, and the heat exchange tank of the evaporator. Alternatively, a condenser of an auxiliary refrigerant cycle may be inserted into the main pipe of the refrigerant liquid distributor.

According to the present invention as described above, while maintaining the seawater stored in the tank at the temperature most suitable for the storage of live fish regardless of the season, while preventing the corrosion of the condenser and evaporator even if expensive corrosion-resistant material is not applied to the heat exchange tank There is an effect of heating and cooling sea water efficiently and hygienically, thereby ensuring the excellent live fish storage performance of the tank facility including the refrigerant cycle, while reducing the cost of the facility.

In addition, by applying an open seawater flow path connected to the intake water, the pipe structure of the water tank facility is further simplified, which contributes to further reducing the facility cost of the water tank facility. It prevents seawater pollution caused by foreign substances or refrigerant gas, and keeps the health and commerciality of live fish at the best.

As a result, it provides a seawater heating and cooling system that can be optimally applied to the imported live fish storage tank facility installed in the coastal inland adjacent to the intake water, and also minimizes the cost of the tank facility to handle imported live fish. By minimizing the economic burden on the traders, it is possible to expand the base of the tank for storing the imported live fish and to provide consumers with cheaper and fresh imported live fish.

1 is a schematic piping diagram showing a fish tank for live fish storage using seawater heating and cooling apparatus according to the present invention.
Figure 2 is a piping diagram showing a seawater heating and cooling apparatus according to the present invention.
Figure 3 (a) and (b) is a piping diagram showing an optimal embodiment of the evaporator applied to the seawater heating and cooling apparatus of the present invention.
4 is a piping diagram showing another embodiment of the present invention to which the auxiliary refrigerant cycle is applied.

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

First, as shown in Figure 1, the imported live fish storage tank apparatus to which the present invention is applied, the compressor (1), the condenser (2), the expansion valve (4) and the evaporator (3) refrigerant pipe (in the drawing) Refrigerant cycle connected by a dashed line) is provided as a heating and cooling device 100 of the sea water, while a seawater inlet pipe 8 extending from the intake water is connected to the condenser 2 and the evaporator 3, respectively. The seawater inlet pipe 8 is provided with a seawater pump 8a and a seawater filter 8b.

The seawater pump 8a and the seawater filter 8b are installed in one seawater inlet pipe 8 extending from the intake water in the drawing, and then the seawater inlet pipe 8 is branched into two pipes at a position past the condenser. 2 and the evaporator 3 is shown, but it is also possible to use two seawater inlet pipes 8 individually connected to each of the condenser 2 and the evaporator (3).

In addition, the heated seawater discharge pipe 9 and the cooling seawater discharge pipe 18 extend from the condenser 2 and the evaporator 3 so as to be connected to the live fish tank 10, while the heated seawater discharge pipe 9 is installed. Before the supercooled seawater discharge pipe 18 is connected to the water tank 10, drain pipes 9a and 18a branch from each discharge pipe 9 and 18, and the drain pipes 9a and 18a are heated. The seawater discharge pipe 9 and the cooling seawater discharge pipe 18 are provided with a valve mechanism V for adjusting the flow path of the seawater to the water tank 10 or the water intake area.

In the drawing, the valve mechanism V is a manual on / off valve provided in the heated seawater discharge pipe 9, the cooling seawater discharge pipe 18, and each of the drain pipes 9a, 18a. A valve may be used, or a three-way valve may be provided at a portion where the drain pipes 9a and 18a branch to allow the seawater path to be adjusted to the water tank 10 or the water intake area.

However, since the heating and cooling device 100 according to the present invention is used without changing the seawater path for a certain period such as winter or summer, the number of times that the valve mechanism V needs to be operated is only about twice a year. Therefore, it is the most economical to apply the manual on-off valve as shown in the drawing, the drain pipe (9a) (18a) and the drain pipe (10a) for the water tank 10 may be extended to the water intake separately, but the whole More preferably, the drain pipes 9a, 10a and 18a are integrated into one seawater discharge pipe 40 and installed.

In the manner as described above, the water tank facility to which the present invention is applied has an open sea water circulation path associated with the intake area, so that the sea water pipe for the water tank 10 and the refrigerant pipe for the refrigerant cycle form different closed circulation paths. Compared to the case, the piping structure of the tank facility can be greatly simplified, and various foreign matters such as live fish droppings are also immediately discharged into the intake water together with the sea water without accumulating in the tank 10.

Meanwhile, the auxiliary refrigerant cycle 110 installed together with the heating and cooling device 100 of the present invention is operated during the winter period when the evaporative heat source of the refrigerant is insufficient, which will be described in detail later based on FIG. 4. As a matter generally applied to the refrigerant cycle, the heating and cooling device 100 of the present invention and the auxiliary refrigerant cycle 110 associated with the refrigerant cycle input the seawater temperature, the temperature and pressure of the refrigerant, etc. stored in the water tank 10. The operation is controlled by the controller 50 to be.

In the heating and cooling apparatus 100 of the present invention, as shown more clearly in FIG. 2, the high temperature and high pressure refrigerant gas discharged from the compressor 1 is introduced into the condenser 2 along the discharge line 11. In the condenser 2, the sea water is heated (heated), and the condensed refrigerant flows into the evaporator 3 through the expansion valve 4 along the condensation refrigerant line 12, and the seawater is discharged inside the evaporator 3. It is based on a known refrigerant cycle in which the cooled (endothermic) and evaporated refrigerant gas is fed back to the compressor (1).

In addition, the refrigerant line corresponding to the discharge side and the suction side of the compressor (1), the discharge line 11 and the suction line (17) in the drawing vibration damper for attenuating the noise and vibration caused by the operation of the compressor ( 1a) and 1b are provided, and an oil separator 5 is provided in the discharge line 11 for separating oil components contained in the high temperature and high pressure refrigerant gas discharged from the compressor 1 from the refrigerant gas.

The oil separator (5) is connected to the oil tank (51) by an oil supply pipe (52) provided with sight glass (Sight-glass) (52a), and the oil filter (from the lower end of the oil tank 51) 53a) and the oil return pipe 53 provided with the solenoid valve 54 and the flow meter 55 are extended and connected to the compressor 1 again, and the check valve 56a is provided from the upper end of the oil tank 51. The provided gas return line 56 extends and is connected to the suction line 17 of the compressor 1.

Therefore, the oil component contained in the refrigerant gas discharged from the compressor 1 is stored in the oil tank 51 from the oil separator 5 and re-introduced into the compressor 1 at an appropriate flow rate, and the oil tank together with the oil component. Part of the refrigerant gas introduced into the 51 accumulates at the upper end side of the oil tank 51, and when the pressure reaches a predetermined pressure or more, the compressor is connected along the gas return line 56 and the suction line 17 through the check valve 56a. 1) is made to inhale again.

Meanwhile, a receiver tank 6 is installed in the condensation refrigerant line 12 extending from the condenser 2, and the receiver tank 6 includes a liquid condensation refrigerant discharged from the condenser 2 and a gaseous refrigerant. It separates and discharges only the liquid condensation refrigerant, and in the condensation refrigerant line (12) extending from the receiver tank (6) to the expansion valve (4), filter dryer (12a), sight glass (12b) and solenoid Valves 13 are provided respectively.

The refrigerant line extending from the evaporator 3 is separated into the evaporative refrigerant line 14 and the suction line 17 with the accumulator 7 before and after, and the accumulator 7 is supplied through the evaporator 3. It performs various functions such as storage and pressure adjustment of refrigerant gas, secondary evaporation of liquid refrigerant, moisture absorption, and prevention of evaporator freezing, and recovers oil components contained in refrigerant liquid or refrigerant gas to the compressor (1) side. It is a parallel function of supplying.

In order to recover the oil component as described above, the oil recovery line 16 extends from the lower end side of the accumulator 7 and is connected to the suction line 17. From the expansion valve 4, the evaporator ( 3) the bypass line 15 of the condensation refrigerant that did not flow into the elongation is extended, and the bypass line 15 is again connected to the evaporative refrigerant line 14 connecting the evaporator 3 and the accumulator 7 have.

Typically, the most important devices for constructing the refrigerant cycle are the compressor 1, the condenser 2, the expansion valve 4 and the evaporator 3, in addition to the devices described above, i.e. the oil separator 5 and the receiver. The tank 6, accumulator 7 and other additional devices are installed as necessary to improve the operational performance and efficiency of the refrigerant cycle.

Therefore, in the heating and cooling device 100 of the present invention, it is most important that the refrigerant cycle including the compressor 1, the condenser 2, the expansion valve 4, and the evaporator 3 is applied. Other additional devices can be applied by changing or modifying as desired, which means that the refrigerant cycle that is the basis of the present invention is not limited to the type shown in FIG.

Components corresponding to the first aspect of the present invention, the refrigerant cycle by installing the condenser (2) and the evaporator (3) Shell & Tube or Shell & Fin tube type heat exchanger refrigerant And heat exchange with the seawater, allowing the refrigerant to flow along the inner space of the heat exchange tanks 21 and 31 forming the outer shell of the heat exchanger, and the sea water inside the heat exchange tanks 21 and 31. The applied heat exchanger tube (Flooded heat-exchanger) is installed so that the heat exchange tube (25, 35) is installed.

Thus, the seawater inlet pipe 8 and the cooling seawater discharge pipe 9 for connection with the seawater inlet pipe 8 and the water tank 10 extending from the intake seawater with the seawater pump 8a and the seawater filter 8b are provided. 18 is connected to each of the heat exchange tubes 25 and 35 installed in the heat exchange tanks 21 and 31 of the condenser 2 and the evaporator 3, thereby heating the seawater through the water tank 10 from the intake water. Or it provides a supply path for cooling seawater.

Although each heat exchange tube 25 and 35 in the drawing is shown that a plurality of seawater flow pipes are installed in a zigzag connection, if the heat exchange between the sea water and the refrigerant is possible, heat exchange tubes 25 and 35 having different structures. ) Can be applied, and a fin tube attached to the heating fins at tight intervals on the outside of the heat exchange tubes 25 and 35 can also be applied, and one side cover of the heat exchange tanks 21 and 31 can be applied. (22) and (32) are provided with inlet ports (23) and (33) and outlet ports (24) and (34) for providing convenience of piping connection work.

When the refrigerant flows through the internal space of the heat exchange tanks 21 and 31 as described above, while the sea water flows through the heat exchange tubes 25 and 35 installed in the heat exchange tanks 21 and 31. Even if the shell-and-tube or shell-and-tube tube heat exchanger is used as it is, it is possible to prevent corrosion of the condenser 2 and the evaporator 3 by sea water.

In other words, in the shell-and-tube or shell-and-tube tube heat exchanger, since the heat exchange tubes 25 and 35 through which the refrigerant flows are generally made of copper or copper alloy material having excellent corrosion resistance, they may be applied to the seawater flow pipe as it is. Since the heat exchange tanks 21 and 31 serving as shells provide a flow space of the refrigerant, it is not necessary to apply expensive corrosion-resistant materials to the heat exchange tanks 21 and 31 in preparation for corrosion of seawater.

In addition, according to the existing heat exchanger system that allows the seawater to flow out of the refrigerant pipe, there is a high risk of leakage of the refrigerant from the refrigerant pipe to be included in the seawater, but in the case of the present invention, the heat exchange tube 25 in which the seawater flows. By applying a structure in which the refrigerant flows to the outside of the (35), the situation that the refrigerant gas is contained in the sea water to contaminate the sea water can also be prevented in advance.

As the components corresponding to the second main part of the present invention, as shown in FIGS. 2 and 3, the refrigerant liquid distributor 36 and the refrigerant gas are provided on the lower side and the upper side of the heat exchange tank 31 for the evaporator 3. Dischargers 37 are provided respectively, and the refrigerant liquid distributor 36 and the refrigerant gas discharger 37 are main pipes 36a and 37a installed along the longitudinal direction of the heat exchange tank 31, and the main pipe. Branched at (36a) (37a) is composed of a plurality of branch pipes (36b, 37b) connected to the heat exchange tank (31).

When the refrigerant liquid distributor 36 and the refrigerant gas discharger 37 are respectively installed on the lower side and the upper side of the heat exchange tank 31 for the evaporator 3 as described above, condensation is carried out through the internal space of the heat exchange tank 31. While the coolant is distributed evenly, the coolant gas which cools the sea water and the evaporated coolant gas can also be discharged evenly from the internal space of the heat exchange tank 31, thereby allowing the inside of the heat exchange tank 31 for the evaporator 3 The cooling operation can be carried out more efficiently.

Although three branch pipes 36b are applied to the refrigerant liquid distributor 36 and two branch pipes 37b are applied to the refrigerant gas discharger 37, the main pipes 36a and 37a are shown. The length and the number of branch pipes 36b and 37b can be arbitrarily adjusted, and the evaporative refrigerant line 14 extends from the upper center side of the main pipe 37a of the refrigerant gas discharger 37 to accumulate (7). Connected with

As the components corresponding to the third essential part of the present invention, as shown in (a) and (b) of FIG. 3, a plurality of oil recovery along the height direction on the outer surface of the heat exchange tank 31 of the evaporator 3, respectively. The pipe 19 is connected and installed, the oil return pipe 19 is integrated into a single pipe is connected to the refrigerant line extending from the refrigerant gas discharger 37 to the compressor (1) side.

In other words, when the accumulator 7 is installed, the oil recovery pipe 19 is installed in connection with the oil recovery line 16 of the accumulator 7, and when the accumulator 7 is not installed, the oil recovery pipe 19 is installed. 19 is a direct connection with the suction line 17 of the compressor 1, in the latter case, the suction line 17 and the evaporative refrigerant line 14 form a single pipe.

When the condensation refrigerant is stored in the heat exchange tank 31 for the evaporator 3, the oil return pipe 19 forcibly recovers the oil component floating on the liquid level of the condensation refrigerant, thereby providing a compressor (1). By recovering the oil components necessary for the operation of the c) more actively, the operability of the compressor 1 is increased, and the cooling efficiency of the sea water is further improved by preventing the lowering of the refrigerant evaporation efficiency due to the oil components floating on the liquid level of the condensation refrigerant. It is installed for the purpose of improvement.

In the drawing, three pipes consisting of a first recovery pipe 19a, a second recovery pipe 19b, and a third recovery pipe 19c on the outer side of the heat exchange tank 31 for the evaporator 3 have a height direction of the tank. Depending on the installation is installed in different positions, the number and connection position of the oil return pipe 19 can also be arbitrarily adjusted, Figure 3 (a) shows a separate recovery pipe, Figure 3 (b) Shows an integrated return tube.

As shown in Fig. 3A, the individual recovery pipe is provided with a see-through window provided to the heat exchange tank 31 in a state where an opening / closing valve 19d is provided for each recovery pipe 19a, 19b, 19c. 31a), the liquid level of the condensation refrigerant was checked, and only the opening / closing valve 19d of the recovery tube corresponding to the liquid level was opened. The integrated recovery tube shown in (b) of FIG. The opening and closing valve 19d is installed at the portion where the recovery pipes 19a, 19b, and 19c are integrated into one pipe, so that oil can be recovered through all the recovery pipes 19a, 19b, and 19c. .

Therefore, what is shown in (a) of FIG. 3 is suitable when the level of the condensation refrigerant is maintained at a constant level, and what is shown in (b) of FIG. 3 is suitable when the level of the condensation refrigerant varies from time to time, The heating and cooling device 100 of the present invention is applied to the open sea water environment path associated with the intake water is almost constant cooling load in the evaporator (3), the rational recovery of only the oil component minimized the inflow of condensation refrigerant It is most preferable to apply the structure shown in (a) of FIG.

4 shows a cooling and heating device 100 according to another embodiment of the present invention. When the coolant liquid distributor 36 is not installed, a coolant is provided on the inner bottom surface of the heat exchange tank 31 of the evaporator 3. In the case where the liquid distributor 36 is installed, the condenser 20 of the auxiliary refrigerant cycle 110 is inserted into the main pipe 36a of the refrigerant liquid distributor 36 so that the insufficient evaporation heat source during the winter season is stored in the auxiliary refrigerant cycle. The condenser 20 of 110 becomes a supplementary structure.

In other words, when the temperature of the sea water pumped out of the intake water in winter and flowing through the heat exchange tube 35 of the evaporator 3 is about 5 to 6 ° C., the source of evaporation heat that the condensation refrigerant can recover is insufficient. In this case, since the compression load of the compressor 1 may be increased, it may cause an obstacle in the efficient operation of the heating and cooling device 100, and thus, an auxiliary refrigerant cycle 110 may be additionally installed to prevent the condenser 20 of the cycle. Heat generated by) is used as evaporation heat source of refrigerant.

The auxiliary refrigerant cycle 110 is also based on the compressor 1, the condenser 20, the expansion valve 4, and the evaporator 40, such as an oil separator 5, a receiver tank 6, or an accumulator. It can be configured to include a device, which, in the case of the auxiliary refrigerant cycle 110 to be applied to the present invention as already described above, the compressor 1, the condenser 20, the expansion valve 4 and the evaporator ( It means that it is not limited to the form of the embodiment shown in FIG.

In addition, the auxiliary refrigerant cycle 110 may be simultaneously operated using the compressor 1 of the refrigerant cycle of the present invention. In this case, each refrigerant cycle is operated in parallel with one compressor 1. The condenser 20 of the auxiliary refrigerant cycle 110 to be a radiator using the refrigerant pipe itself, and the evaporator 30 of the auxiliary refrigerant cycle 110 evaporates heat of the room temperature by the air flow fan 30a. It is preferable to make it the indoor unit used as a circle.

Hereinafter, the working relationship of the present invention having the above-described configuration will be described with reference to the accompanying drawings with reference to FIG. 1.

First, the heating and cooling device 100 of the present invention is installed together with the water tank equipment to operate the compressor 1 and the seawater pump 8a, but in winter when the temperature of the intake water becomes about 5 to 6 ° C., the condenser The heated seawater discharge pipe 9 extending from (2) and connected to the water tank 10 is opened, and the drain pipe 9a branched from the heated seawater discharge pipe 9 is closed, while extending from the evaporator 3 to the water tank. The cooling seawater discharge pipe 18 connected to the 10 is closed, and the drain pipe 18a branched from the cooling seawater discharge pipe 18 is opened.

When the seawater flow path is set in the above manner, the seawater pumped from the intake water and passed through the heat exchange tube 25 of the condenser 2 is heated to a temperature of about 18 ° C. by a high temperature refrigerant gas and then heated. The seawater is supplied to the water tank 10 along the seawater discharge pipe 9 and used as live fish water, and the seawater supplied to the heat exchange tube 35 of the evaporator 3 together with the condenser 20 of the subsidiary refrigerant cycle 110 is used for the refrigerant. After the evaporation heat source is supplied, the evaporation heat source is discharged from the cooling sea water discharge pipe 18 through the drain pipe 18a and back to the intake area.

The seawater passing through the evaporator 3 as described above is discharged into the intake water along the cooling seawater discharge pipe 18 and the drain pipe 18a, and the seawater used as the live fish water is also drain pipe 10a of the water tank 10. It is discharged into the intake water through the sea, each drain pipe 10a (18a) is integrated into one seawater discharge pipe 40, so that the low temperature seawater through the evaporator (3) of about 18 ℃ through the water tank (10) It is mixed with seawater and finally discharged under temperature conditions similar to seawater in intake water.

On the contrary, in the summer season when the temperature of the intake seawater is about 25 to 26 ° C., the cooling seawater discharge pipe 18 extending from the evaporator 3 and connected to the water tank 10 is opened, and the cooling seawater discharge pipe 18 is released from the cooling seawater discharge pipe 18. The branched drain pipe 18a is closed, while the heated seawater discharge pipe 9 extending from the condenser 2 and connected to the water tank 10 is closed, and the drain pipe 9a branched from the heated seawater discharge pipe 9 is closed. Is opened.

When the seawater flow path is set in the above manner, the seawater pumped from the intake area and passed through the heat exchange tube 35 of the evaporator 3 supplies the evaporation heat source of the condensation refrigerant and is cooled to a temperature of about 18 ° C. Next, it is supplied to the water tank 10 along the cooling seawater discharge pipe 18 and used as live fish water, and the seawater supplied to the heat exchange tube 25 of the condenser 2 is used for condensation of the refrigerant gas, and then the heated seawater discharge pipe ( 9) is discharged again through the drain pipe 9a to the intake area.

The seawater passing through the condenser 2 as described above is discharged into the intake water along the heated seawater discharge pipe 9 and the drain pipe 9a, and the seawater used as the live fish water is also drain pipe 10a of the water tank 10. It is discharged to the intake water through the water, and each of the drain pipe (9a) (10a) is integrated into one seawater discharge pipe 40, the high temperature seawater through the condenser (2) of about 18 ℃ through the water tank (10) It is mixed with seawater and finally discharged under temperature conditions similar to seawater in intake water.

On the other hand, when the temperature of the intake water at the same time as spring or autumn is maintained at an appropriate temperature (about 18 ℃) for the storage of the imported live fish, the compressor (1) operation of the heating and cooling device 100 according to the present invention In the stopped state, only the seawater pump 8a may be operated to supply the seawater pumped from the intake water to the water tank 10 without undergoing a separate heating or cooling process.

In the case described above, both the heated seawater discharge pipe 9 and the cooling seawater discharge pipe 18 may be opened, or only one of the heated seawater discharge pipe 9 and the cooling seawater discharge pipe 18 may be opened. Bars may be appropriately adjusted to the storage capacity of the water tank 10.

Of course, only when the temperature of the intake seawater is maintained at an appropriate temperature for the storage of imported live fish, seawater may be directly pumped from the intake seawater to the water tank 10 side without passing through the heating and cooling device 100 of the present invention. As shown in FIG. 1, the seawater inflow pipe 8 is branched to the water tank 10 side, and then the valve is connected to the seawater inflow pipe 8 branched to the water tank 10 side. Or install a separate seawater inlet pipe (8) having a seawater pump (8a) and a seawater filter (8b) directly connected to the water tank (10) from the intake sea area.

However, if the seawater is directly pumped from the intake area to the water tank 10 without passing through the heating and cooling device 100 of the present invention, the seawater inside the seawater flow pipe included in the heating and cooling device 100 of the present invention. Is maintained in a state of stagnation for a certain period of time, the scale is generated inside the pipe, and contaminated seawater may be supplied to the water tank 10 side when the heating and cooling apparatus 100 is restarted. And it is preferable to allow the sea water circulated through the cooling device (100).

When the heating and cooling device 100 of the present invention is installed and operated together with the water tank equipment in the above manner, the temperature of seawater stored in the water tank 10 regardless of winter or summer season is most suitable for the storage of imported live fish. In addition to maintaining the temperature at all times, even if expensive corrosion-resistant materials are not applied to the heat exchange tanks 21 and 31, the seawater is efficiently and sanitarily heated while preventing corrosion of the condenser 2 and the evaporator 3. And it can be cooled, thereby ensuring the excellent live fish storage performance of the tank installation including the refrigerant cycle can be reduced the cost of the facility.

In addition, the seawater pumped from the intake water and selected from the seawater heated and cooled in the condenser (2) and the evaporator (3) is supplied to the water tank (10), and the sea water not supplied to the water tank (10) is By discharging the seawater back into the intake water together with the used seawater, the open seawater flow path associated with the intake seawater is applied, further contributing to the reduction of the facility cost of the water tank facility by further simplifying the piping structure of the water tank facility. On the other hand, it is possible to prevent the contamination of seawater by various foreign substances such as excreta or refrigerant gas, etc., thereby maintaining the health and commerciality of live fish at the best level.

Therefore, in order to store the imported live fish which is difficult to adapt to the temperature change in the domestic coastal water with high density, it is possible to provide a seawater heating and cooling apparatus 100 that can be optimally applied to the water tank facilities installed in the coastal inland adjacent to the intake water. Of course, by minimizing the economic burden on contractors handling imported live fish by reducing the facility cost of the tank facility including the device of the present invention to the maximum, by promoting the base of the aquarium facility for imported live fish storage more It will be able to provide consumers with cheaper and fresher live fish.

1 Compressor 1a, 1b Vibration Damper 2,20 Condenser
3,30 evaporator 4 expansion valve 5 oil separator
6 receiver tank 7 accumulator 8 seawater inlet pipe
8a: seawater pump 8b: seawater filter 9: heated seawater discharge pipe
9a, 10a, 18a: drain pipe 10: water tank 11: discharge line
12: condensation refrigerant line 12a: filter drier 12b, 52a: sight glass
13,54: solenoid valve 14: evaporative refrigerant line 15: bypass line
16: oil recovery line 17: suction line 18: cooling sea water discharge pipe
19,53: oil recovery pipe 19a: first recovery pipe 19b: second recovery pipe
19c: 3rd recovery pipe 19d: on-off valve 21,31: heat exchange tank
22,32 Side cover 23,33 Inlet port 24,34 Outlet port
25,35: heat exchange tube 30a: air flow fan 31a, 51a: see-through window
36: refrigerant liquid distributor 36a, 37a: main pipe 36b, 37b: branch pipe
37: refrigerant gas discharger 40: seawater discharge pipe 50: controller
51: oil tank 52: oil supply pipe 53a: oil filter
55 flow meter 56 gas return line 56a check valve
100: heating and cooling device 110: auxiliary refrigerant cycle V: valve mechanism

Claims (5)

In a device in which the compressor (1), the condenser (2), the expansion valve (4) and the evaporator (3) is connected to the refrigerant pipe by using a refrigerant cycle to heat and cool the sea water during the condensation and evaporation of the refrigerant,
The condenser (2) and the evaporator (3) of the refrigerant cycle is a liquid-type shell-and-tube in which heat-exchange tubes (25) (35) into which seawater flows are inserted into heat exchange tanks (21) (31) provided for the flow of refrigerant. (Shell & Tube) or Shell & Fin-tube heat exchanger,
Each of the heat exchange tubes 25 and 35 is connected to the seawater inlet pipe 8 extending from the intake water in the state having the seawater pump 8a and the seawater filter 8b, and the heated seawater discharge pipe ( 9) and the cooling seawater discharge pipe 18 are connected to the water tank 10, respectively,
Before the heating seawater discharge pipe 9 and the cooling seawater discharge pipe 18 are connected to the water tank 10, drain pipes 9a and 18a branch from the respective discharge pipes 9 and 18, and the drain pipe ( 9a) (18a), the heated seawater discharge pipe (9) and the cooling seawater discharge pipe (18) are imported live, characterized in that the valve mechanism (V) for adjusting the flow path of the seawater to the water tank (10) or intake water Sea water heating and cooling system of storage tank facility. The refrigerant liquid distributor (36) and the refrigerant gas discharge (37) are respectively provided on the lower side and the upper side of the heat exchange tank (31) for the evaporator (3).
The refrigerant liquid distributor 36 and the refrigerant gas discharger 37 branch off from the main pipes 36a and 37a installed along the longitudinal direction of the heat exchange tank 31 and the main pipes 36a and 37a to exchange heat. Seawater heating and cooling apparatus of the imported live fish storage tank facility comprising a plurality of branch pipes (36b, 37b) are connected to the tank 31 is installed. The heat exchange tank (31) of the evaporator (3) is provided with a plurality of oil recovery pipes (19) connected along the height direction.
The oil recovery pipe 19 is integrated into a single pipe and connected to the refrigerant line extending from the refrigerant gas discharger 37 to the compressor 1 side, seawater heating and cooling device of the imported live fish storage tank characterized in that the installation . The refrigerant line of claim 3, wherein the refrigerant line extending from the refrigerant gas discharger 37 toward the compressor 1 is divided into an evaporative refrigerant line 14 and a suction line 17 with the accumulator 7 before and after. ,
The evaporative refrigerant line 14 and the suction line 17 are connected to the upper end side of the accumulator 7, respectively, and the oil recovery line 16 extends from the lower end side of the accumulator 7 to the suction line 17 and the suction line 17. The connection is installed,
The oil recovery pipe (19) extending from the heat exchange tank (31) of the evaporator (3) is connected to the oil recovery line (16) of the accumulator (7), seawater heating and Chiller. The condenser of any one of claims 1 to 4, wherein the heat exchange tank 31 of the evaporator 3 or the main pipe 36a of the coolant liquid distributor 36 is formed in the condenser of the auxiliary refrigerant cycle 110. Seawater heating and cooling device of the imported live fish storage tank facility characterized in that the insert 20).

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