KR101939048B1 - Double Tube Type Sea Water Sherbet Ice Generator - Google Patents

Abstract

A dual tube condenser (40) for discharging the heat of a high temperature exhaust gas heat source in the form of high pressure steam, a heat exchanger (50) for storing the liquid and sending the liquid refrigerant, not the gas, to the expansion valve, and a condenser (50) for reducing the pressure and temperature of the refrigerant so that the heat absorbing action by evaporation of the refrigerant liquid can easily occur. The present invention provides a double-pipe type sea water sherbet ice producing device of the present invention which serves as an evaporator in which the refrigerant liquid supplied through the expansion valve 60, which serves to adjust the refrigerant flow rate, And is then heat-exchanged so as to be returned to the compressor (30), the apparatus comprising: a cylindrical metal tube (11) of a copper pipe or a steel pipe disposed outside; A cylindrical titanium tube (not shown) made of titanium which is disposed on the inner surface of the metal tube 11 at an interval from the metal tube 11 and has corrosion resistance so that metal ions affecting the survival of the fish and shellfish do not dissolve in seawater or sea water sherbet ice 15); An aluminum support disposed between the metal tube and the titanium tube and having a base portion and a plurality of partition walls protruding radially inward from the base portion; A seawater inflow space 17 formed at an interval from one end of the metal pipe 11 and communicated with the seawater inlet 11-1; A seawater saver ice discharge space 18 formed at an interval from the other end of the metal pipe 11 and communicated with the seawater saver ice outlet 11-2; A refrigerant inflow space 19 formed adjacent to the seawater sherbet ice discharge space 18 and communicated with the refrigerant inlet port 11-3; A refrigerant outflow space 19-1 formed adjacent to the seawater inflow space 17 and communicating with the refrigerant outflow port 11-4; A motor 20 having a rotation axis 21 and positioned outside the one end of the metal pipe 11, the rotation axis 21 being inserted into the seawater inflow space 17; And a threaded portion 16-1 disposed inside the titanium tube 15 and vertically projecting from the cylindrical main body portion 16-2 and the circumferential surface of the main body portion 16-2, The head portion 16-3 includes a scraper 16 connected to the rotation shaft 21 of the motor 20 and the plurality of partition walls 13 are formed in the head portion 16-3, And a plurality of compartments (14) having the same volume are formed so that the refrigerant in the compartment (14) uniformly absorbs the latent heat of vaporization in the seawater And the titanium tube 15 extends between the sea water shaved ice outlet space 18 and the refrigerant inlet space 19 and the aluminum support is connected to the refrigerant inlet space 19 and the refrigerant outlet space 19, 19-1) so that the seawater is supplied to the titanium pipe (15) And the titanium pipe 15 is supported while supporting the metal pipe 11 and the titanium pipe 15 so that the titanium pipe 15 is supported by the scraper 16 and the sea water is sherbet ice- The scraper 16 has one end extended to the entire length of the sea water shaved ice discharge space 18 and the other end adjacent to the rotary shaft 21 of the motor 20 The thread 16-1 has a triangular cross section and is narrowed toward the outer side from the circumferential surface of the main body 16-2. Is connected to the rotary shaft (21) of the motor (20) through a shaft coupling (80).

Description

{Double Tube Type Sea Water Sherbet Ice Generator}

The present invention relates to an outer cylindrical metal tube (11); A cylindrical titanium tube (15) disposed at an inner surface of the metal tube (11) at an interval from the metal tube (11); An aluminum support disposed between the metal tube and the titanium tube and having a base portion and a plurality of partition walls protruding radially inward from the base portion; A seawater inflow space 17 formed at an interval from one end of the metal pipe 11 and communicated with the seawater inlet 11-1; A seawater saver ice discharge space 18 formed at an interval from the other end of the metal pipe 11 and communicated with the seawater saver ice outlet 11-2; A refrigerant inflow space 19 formed adjacent to the seawater sherbet ice discharge space 18 and communicated with the refrigerant inlet port 11-3; A refrigerant outflow space 19-1 formed adjacent to the seawater inflow space 17 and communicating with the refrigerant outflow port 11-4; A motor 20 having a rotation axis 21 and positioned outside the one end of the metal pipe 11, the rotation axis 21 being inserted into the seawater inflow space 17; And a threaded portion 16-1 disposed inside the titanium tube 15 and vertically projecting from the cylindrical main body portion 16-2 and the circumferential surface of the main body portion 16-2, And the head portion 16-2 includes a scraper 16 connected to the rotation shaft 21 of the motor 20 through the shaft splicing device 80 And an ice making device for ice making the double-pipe type sea water sherbet.

The present invention relates to a double-pipe type seawater sherbet ice making apparatus used for seawater, such as fish, into seawater for ice storage and refrigeration.

The energy storage system, which converts energy into cold state and stores it in latent heat form and regenerates, is a powerful energy storage system. Sambet ice, which is used in dynamic cooling system, will be widely used as a means of future cooling and cooling It is expected and focused. Here, ice makers that make economical and reliable ice cubes are being developed and developed in various forms as core equipment. The evaporation plate type, supercooled water type, refrigerant integrated contact type, and direct freezing type of water by vacuum are being studied or developed. Among them, evaporation plate type and supercooling type are widely used, but the most reliable method to date has been recognized as evaporation plate type . The evaporation plate type is divided into several types, but largely divided into a single-tube type and a multi-tube type, and a multi-tube type ice-maker is being intensively developed. The shell-and-tube type ice-maker uses a shell-tube type heat exchanger as a base and evaporates the refrigerant in the shell side (outside of the heat transfer tube) while supplying a small amount of heat storage medium containing an icing inhibitor to the inside of the heat transfer tube and continuously scrapes the heat inside the heat transfer tube It is taking form. A representative example is a whip rod system (for example, disclosed in Korean Patent Laid-Open Publication No. 2001-0068584) for de-icing an inner wall of a heat transfer tube inside a tube using a rod, and a screw (For example, a device disclosed in Korean Patent No. 10-0296653) in which a scraper of a type is rotated and de-iced (for example, a device disclosed in Korean Patent No. 10-0296653), a vibration type For example, a device described in Korean Utility Model Registration No. 20-0240787). However, despite the many advantages of each of the developed methods, a common weakness is the lack of reliability and complexity of the mechanical mechanism that delivers the power to continuously scrape the hot surfaces, and in addition, Clogging due to accumulation limits the general availability of sorbet ice ice makers.

Such a screw scraper method can solve the supercooling and transfer the saber-to-ice in a desired direction, but the thermal efficiency is lower than that of the whip rod method.

In addition, the screw scraper system can not simply transmit power from a driving unit to a scraper, but has a continuous power transmission structure to a plastic scraper through various gears, so that the power transmission structure is complicated, And the like.

In addition, since the screw scraper system is applied to the multi-tube type ice maker as described above, since each single tube of the conventional multi-tube type ice maker has a scraper inserted into the single single tube, There is a problem that the tube is likely to be frozen when the ice is frozen.

Korean Utility Model Registration No. 20-0384641 (2005.5.10). Korean Patent Publication No. 10-2006-0110493 (2006.10.25).

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems of the prior art.

Specifically, it is an object of the present invention to provide a double-pipe type sea water sherbet ice manufacturing apparatus with further improved thermal efficiency.

Another object of the present invention is to provide a double-pipe type seawater sherbet ice making apparatus in which the power transmission structure is simple and consequently, the component parts are reduced and the volume thereof is reduced.

Another object of the present invention is to provide a double-tube type sea water saber-to-ice water tank which makes use of a titanium pipe as an inner pipe to prevent metal ions, which have corrosion resistance and affect the survival of seafood, from leaching into sea water or sea water sherbet ice, And to provide a manufacturing apparatus.

It is a further object of the present invention to provide a double-pipe type sea water sherbet ice making apparatus which prevents the freezing of the titanium tube and supports the titanium tube.

The technical objects to be achieved by the present invention are not limited to the above-mentioned problems, and other technical subjects not mentioned can be clearly understood by those skilled in the art from the following description. There will be.

In order to accomplish the above object, there is provided an apparatus for producing a double-pipe type sea water sherbet ice according to the present invention, comprising: a compressor (30) for recovering a hot exhaust gas heat source in the form of high pressure steam; A double tube condenser (40) for making refrigerant liquid, a receiver (50) for storing liquid at the time of repairing and separating and for sending liquid refrigerant instead of gas to the expansion valve, and heat absorbing The refrigerant liquid supplied through the expansion valve 60, which functions to lower the pressure and temperature of the refrigerant so that the operation can be easily performed, and adjusts the refrigerant flow rate so as to cope with the fluctuation of the refrigerant load, absorbs the latent heat of evaporation in the seawater, The water is supplied to the double-pipe type seawater sherbet ice making apparatus of the present invention serving as an evaporator to be returned to the compressor 30, In the device, the cylindrical metal tube 11 of copper or steel pipe disposed outside; A cylindrical titanium tube (not shown) made of titanium, which is disposed on the inner surface of the metal tube 11 at an interval from the metal tube 11 and has corrosion resistance so that metal ions affecting the survival of fish and shellfish do not dissolve in seawater or sea water sherbet ice 15); An aluminum support disposed between the metal tube and the titanium tube and having a base portion and a plurality of partition walls protruding radially inward from the base portion; A seawater inflow space 17 formed at an interval from one end of the metal pipe 11 and communicated with the seawater inlet 11-1; A seawater saver ice discharge space 18 formed at an interval from the other end of the metal pipe 11 and communicated with the seawater saver ice outlet 11-2; A refrigerant inflow space 19 formed adjacent to the seawater sherbet ice discharge space 18 and communicated with the refrigerant inlet port 11-3; A refrigerant outflow space 19-1 formed adjacent to the seawater inflow space 17 and communicating with the refrigerant outflow port 11-4; A motor 20 having a rotation axis 21 and positioned outside the one end of the metal pipe 11, the rotation axis 21 being inserted into the seawater inflow space 17; And a threaded portion 16-1 disposed inside the titanium tube 15 and vertically projecting from the cylindrical main body portion 16-2 and the circumferential surface of the main body portion 16-2, The head portion 16-3 includes a scraper 16 connected to the rotation shaft 21 of the motor 20 and the plurality of partition walls 13 are formed in the head portion 16-3, And a plurality of compartments (14) having the same volume are formed so that the refrigerant in the compartment (14) uniformly absorbs the latent heat of vaporization in the seawater And the titanium tube 15 extends between the sea water shaved ice outlet space 18 and the refrigerant inlet space 19 and the aluminum support is connected to the refrigerant inlet space 19 and the refrigerant outlet space 19, 19-1) so that the seawater is supplied to the titanium pipe (15) And the titanium pipe 15 is supported while supporting the metal pipe 11 and the titanium pipe 15 so that the titanium pipe 15 is supported by the scraper 16 and the sea water is sherbet ice- The scraper 16 has one end extended to the entire length of the sea water shaved ice discharge space 18 and the other end adjacent to the rotary shaft 21 of the motor 20 The thread 16-1 has a triangular cross section and is narrowed toward the outer side from the circumferential surface of the main body 16-2. Is connected to the rotary shaft (21) of the motor (20) through a shaft coupling (80).

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As described above, the present invention further improves the thermal efficiency, simplifies the power transmission structure, reduces the size and volume of the components, and uses the titanium pipe as the inner pipe. The metal ion, which affects the survival of the fish and shellfish It is possible to provide an apparatus for manufacturing a double-pipe type sea water sherbet ice which prevents an elongation of the sea water or sea water sherbet ice to provide an optimal environment for fishes, prevents freezing of the titanium tube and supports the titanium tube.

It is to be understood that the technical advantages of the present invention are not limited to the technical effects mentioned above and that other technical effects not mentioned can be clearly understood by those skilled in the art from the description of the claims There will be.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a sea water sherbet ice manufacturing system to which a double-pipe type sea water sherbet ice manufacturing apparatus according to a preferred embodiment of the present invention is applied.
Fig. 2 is a longitudinal sectional view of the double-pipe type sea water sherbet ice producing apparatus of Fig. 1. Fig.
3 is a horizontal cut-away sectional view of the double-pipe type sea water sherbet ice manufacturing apparatus of FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. For the sake of convenience, the size, line thickness, and the like of the components shown in the drawings referenced in the description of the present invention may be exaggerated somewhat. The terms used in the description of the present invention are defined in consideration of the functions of the present invention, and thus may be changed depending on the user, the intention of the operator, customs, and the like. Therefore, the definition of this term should be based on the contents of this specification as a whole.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. It is not. In the following description of the embodiments of the present invention, the same components are denoted by the same reference numerals and symbols, and further description thereof will be omitted.

Prior to the detailed description of each step of the invention, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings, and the inventor shall design his own invention in the best manner It should be interpreted in the meaning and concept consistent with the technical idea of the present invention based on the principle that the concept of the term can be properly defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a sea water sherbet ice manufacturing system to which a double-pipe type sea water sherbet ice manufacturing apparatus according to a preferred embodiment of the present invention is applied.

Referring to FIG. 1, a heat exchanger of a double-pipe type sea water sherbet ice manufacturing apparatus according to a preferred embodiment of the present invention includes a compressor 30 for recovering a hot exhaust gas heat source in the form of high pressure steam, A double tube condenser 40 for discharging the heat of steam to make a refrigerant liquid, a receiver 50 for storing liquid at the time of repairing and separating and for sending a liquid refrigerant instead of gas to the expansion valve, The refrigerant liquid supplied through the expansion valve 60 that functions to lower the pressure and temperature of the refrigerant so that the heat absorbing action by evaporation of the refrigerant easily occurs and adjusts the refrigerant flow rate so as to correspond to the fluctuation of the refrigerating load, Is supplied to the double-pipe type seawater sherbet ice producing apparatus of the present invention, which serves as an evaporator that absorbs the latent heat of evaporation and becomes a gas, and is then recovered to the compressor (30).

By supplying the refrigerant liquid to the lower part of the double tube type sherbet ice manufacturing apparatus through the expansion valve, the double tube type sherbet ice making apparatus functions as a monolithic evaporator so that the refrigerant liquid comes into contact with the heat transfer tube and the heat transfer efficiency is improved.

Further, the refrigerant inflow portion is located at the lower portion so that the space of the lower refrigerant inflow portion can serve as a distributor, and the refrigerant liquid filled at the lower portion is evenly distributed among the partition walls 13 and flows upward. The partition wall 13 is in contact with the titanium pipe 15 and thus promotes the heat transfer promoting the heat transfer from the refrigerant liquid to the titanium pipe 15.

In the refrigeration system, the refrigerant flows together with the refrigerant. When the specific gravity of the refrigerant is lower than that of the refrigerant, the refrigerant is present in the upper portion of the refrigerant.

In the case of the dual tubular type sherbet ice making apparatus, the problem of oil recovery which is generally caused only in the liquid type freezer is solved by dividing the outside of the double tube into the partition walls and distributing the refrigerant liquid and the freezing oil to the respective partition walls, .

FIG. 2 is a longitudinal sectional view of the double-pipe type sea water sherbet ice manufacturing apparatus of FIG. 1, and FIG. 3 is a horizontal sectional view of the double-pipe type sea water sherbet ice manufacturing apparatus of FIG.

Referring to FIGS. 2 and 3, an apparatus for producing a double-pipe type sea water sherbet ice according to a preferred embodiment of the present invention includes an outer cylindrical metal tube 11; A cylindrical titanium tube 15; Aluminum support; A seawater inflow space 17; Seawater sherbet ice spill space (18); A refrigerant inflow space 19; A refrigerant outflow space 19-1; A motor 20; And a scraper 16.

The metal pipe 11 is disposed on the outermost side and is cylindrical, and may be formed of a copper pipe, a steel pipe, or the like.

The titanium tube 15 is disposed on the inner surface of the metal tube 11 at a distance from the metal tube 11 and has a cylinder shape. Since the tube is made of titanium, the metal tube 11 has a metal ion It does not dissolve in seawater or sea water sherbet ice, and makes the best environment for fish.

The aluminum support is disposed between the metal pipe 11 and the titanium pipe 15 and has a base portion 12 and a plurality of partition walls 13 radially inwardly protruded from the base portion 12, And the titanium tube (15) while preventing the freezing of the titanium tube (15).

The plurality of partition walls 13 are equally spaced from each other and the distal ends thereof contact the outer surface of the titanium tube 15 to form a plurality of compartments 14 having the same volume, It makes it possible to absorb latent heat of vaporization in sea water.

The seawater inflow space 17 is formed at an interval from one end of the metal tube 11 and communicates with the seawater inflow port 11-1 and the seawater inflow space 18 is connected to the other end of the metal tube 11 And the coolant outlet space 19-1 is formed adjacent to the seawater sherbet ice outlet space 18 and communicates with the coolant inlet port 11-3 in communication with the seawater sherbet ice outlet 11-2, A refrigerant inflow space 19; Is formed adjacent to the seawater inflow space (17) and communicates with the refrigerant outflow port (11-4).

The motor 20 has a structure in which the scraper 16 has a rotary shaft 21 and is located outside the one end of the metal pipe 11 while the rotary shaft 21 is inserted into the seawater inflow space 17 .

The scraper 16 is disposed inside the titanium tube 15 and has a cylindrical body portion 16-2 and a thread 16-1 vertically protruded from the circumferential surface of the body portion 16-2, The head portion 16-2 is connected to the rotary shaft 21 of the motor 20 through the shaft coupling 80 in the present embodiment, However, the present invention is not limited thereto. In another embodiment, the head portion 16-2 may be directly connected to the rotation shaft 21 of the motor 20, or may be connected to the motor 20 through another separate device. And the rotation shaft 21 of the first motor M1 is connected to the second motor M1.

The rotation shaft 21 of the motor 20 is connected to the head portion 16-2 through the single shaft splice 80 and the threaded portion and the head portion 16 -2), and the shaft coupling device 80 are located in the seawater inflow space 17, so that the power transmission structure is simplified because the construction is simple without any separate gear mechanisms.

The thread 16-1 has a triangular cross-section in the present embodiment, but the present invention is not limited thereto. But it is also possible to have a rhombic cross section in other embodiments. According to this configuration, since the volume between the titanium pipe 15 and the screw thread 16-1 of the scraper 16 is increased, the volume of the seawater is increased from the liquid phase to the solid phase in the process of seawater shavet icing The screw 16- of the scraper 16 which pushes the seawater sherbet ice outlets 11-2 toward the sea water sherbet ice outlet 11-2 by rotation of the motor 20 and the fixing phenomenon of the seawater sherbet ice to the titanium pipe 15, 1) can be reduced.

The titanium pipe 15 extends between the seawater sherbet ice outflow space 18 and the coolant inflow space 19 and has corrosion resistance so that metal ions that affect the survival of seafood are not dissolved in seawater or sea water sherbet ice And the aluminum support extends between the refrigerant inflow space 19 and the refrigerant outflow space 19-1 so that the refrigerant flows into the refrigerant inflow port 11-3 through the refrigerant inflow port 11-3, And the scraper 16 may extend through the entire length of the sea water shaved ice discharge space 18 and the other end may be connected to the rotation shaft 21 of the motor 20 So that the seawater flows into the space between the titanium pipe 15 and the scraper 16 and is converted into sea water sherbet ice. Thereafter, the sea water sherbet ice flows out through the sea water sherbet ice outlet 11-2 Can.

Hereinafter, the operation and effect of the present invention will be described.

When the power is applied to the motor 20, when the rotary shaft 21 rotates and the rotary shaft 21 rotates, the head portion 16-2 of the scraper 16 rotates through the shaft joint 80, The seawater introduced into the seawater inflow space 17 from the seawater inflow port 11-1 flows into the gap between the titanium pipe 15 and the scraper 16 by the rotation of the scraper 16, The sea water sherbet ice is discharged to the outside through the seawater sherbet ice outlet 11-2. At this time, the refrigerant flows into the refrigerant inflow space 19 through the refrigerant inlet port 11-3 and then flows into the compartment 14 between the partition walls 13 of the aluminum support to enter the refrigerant outlet space 19-1 And then flows out through the rear refrigerant outlet 11-4. The heat source of the refrigerant gas discharged is recovered in the form of high-pressure vapor in the compressor 30, and the heat of the high-temperature and high-pressure refrigerant vapor passing through the compressor is discharged from the double-tube condenser 40 to be made into liquid refrigerant, 50 to store the liquid at the time of repairing and separating, and to send liquid refrigerant, not gas, to the expansion valve, which again causes the heat absorbing action due to the evaporation of the refrigerant liquid at the expansion valve 60 to occur easily The present invention relates to a dual-pipe type seawater desalination apparatus for reducing the pressure and temperature of a refrigerant and adjusting a refrigerant flow rate so as to cope with fluctuation of a refrigeration load, and serving as an evaporator in which a supplied liquid refrigerant absorbs latent heat of evaporation in seawater, And then is returned to the compressor (30). Here, in the double-tube condenser 40, old cooling water is discharged to the outside, new cooling water is introduced and sent to the receiver 50.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, will be. Accordingly, the true scope of the present invention should be determined only by the appended claims.

10: 2 medium pipe type sea water sherbet ice making device
11: Metal tube
11-1: Seawater inlet
11-2: Sea water saver ice outlet
11-3: Refrigerant inlet
11-4: Refrigerant outlet
12: Base portion
13:
14: compartment
15: Titanium tube
16: Scraper
16-1:
16-2:
16-3:
17: Seawater inflow space
18: Seawater sherbet ice spill space
19: Refrigerant inflow space
19-1: Refrigerant outflow space
20: Motor
30: Compressor
40: Double tube condenser
50: Receiver
60: expansion valve
70: Evaporator
21:
80: Axis joint

Claims (4)

(30) for recovering heat source of high temperature exhaust gas in the form of high-pressure steam, a double-tube condenser (40) for releasing heat of the high-temperature and high-pressure refrigerant vapor passing through the compressor to make refrigerant liquid, A receiver (50) which serves to send a liquid refrigerant (not a gas) to the expansion valve, and a receiver (50) which reduces the pressure and temperature of the refrigerant so that the heat absorbing action by evaporation of the refrigerant liquid can easily occur. The refrigerant liquid supplied through the expansion valve 60 serving to adjust the refrigerant flow rate was supplied to the double-pipe type sea water sherbet ice manufacturing apparatus of the present invention serving as an evaporator that absorbs the latent heat of vaporization in the seawater and becomes a gas In which the heat is exchanged to be returned to the compressor (30)
A cylindrical metal tube (11) of a copper tube or a steel tube disposed on the outer side; A cylindrical titanium tube (not shown) made of titanium, which is disposed on the inner surface of the metal tube 11 at an interval from the metal tube 11 and has corrosion resistance so that metal ions affecting the survival of fish and shellfish do not dissolve in seawater or sea water sherbet ice 15); An aluminum support disposed between the metal tube and the titanium tube and having a base portion and a plurality of partition walls protruding radially inward from the base portion; A seawater inflow space 17 formed at an interval from one end of the metal pipe 11 and communicated with the seawater inlet 11-1; A seawater saver ice discharge space 18 formed at an interval from the other end of the metal pipe 11 and communicated with the seawater saver ice outlet 11-2; A refrigerant inflow space 19 formed adjacent to the seawater sherbet ice discharge space 18 and communicated with the refrigerant inlet port 11-3; A refrigerant outflow space 19-1 formed adjacent to the seawater inflow space 17 and communicating with the refrigerant outflow port 11-4; A motor 20 having a rotation axis 21 and positioned outside the one end of the metal pipe 11, the rotation axis 21 being inserted into the seawater inflow space 17; And a threaded portion 16-1 disposed inside the titanium tube 15 and vertically projecting from the cylindrical main body portion 16-2 and the circumferential surface of the main body portion 16-2, And a scraper 16 having a head portion 16-3 protruding from the forming portion and the head portion 16-3 being connected to the rotating shaft 21 of the motor 20,
The plurality of partition walls 13 are disposed at equal intervals from each other and the distal ends thereof contact the outer surface of the titanium tube 15 to form a plurality of compartments 14 having the same volume, To absorb the latent heat of evaporation in the sea water,
The titanium tube 15 extends between the sea water shaved ice discharge space 18 and the refrigerant inflow space 19,
The aluminum support extends between the refrigerant inflow space 19 and the refrigerant outflow space 19-1 so that seawater flows into the space between the titanium pipe 15 and the scraper 16 to be ice- And serves to prevent the freezing of the titanium tube (15) while supporting the metal tube (11) and the titanium tube (15) while allowing the water to flow out through the sea water sherbet ice outlet (11-2)
One end of the scraper 16 extends to the entire length of the sea water shaved ice discharge space 18 and the other end extends to a portion of the motor 20 adjacent to the rotary shaft 21,
The thread 16-1 has a triangular cross section and is configured to have a smaller width from the circumferential surface of the main body 16-2 toward the outside,
Wherein the head part (16-3) is connected to the rotary shaft (21) of the motor (20) through a shaft coupling device (80).
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