KR102128070B1 - Evaporator of auger-type ice machine - Google Patents

Abstract

The present invention relates to an evaporator used in an auger-type ice maker and, more specifically, to an evaporator used in an auger-type ice maker, wherein a refrigerant pipe body is extrapolated to an ice making container, is provided in a double tube shape on an outer surface of the ice making container, forms a refrigerant path on the outer surface of the ice making container so that a refrigerant gas can spread to the entire outer surface of the ice making container when the refrigerant gas is injected, thereby improving ice-making efficiency. Furthermore, a refrigerant path forming member made of a spring is further provided to form the refrigerant path in a spiral shape in the space, so that the refrigerant gas exchanges heat along the refrigerant path and is discharged, but increases the heat exchange area through the spring surface area, thereby improving production and efficiency.

Description

Evaporator used in auger type ice machine{EVAPORATOR OF AUGER-TYPE ICE MACHINE}

The present invention relates to an evaporator used in an auger type ice machine, and more specifically, it is extrapolated to the ice making machine, and provided with a refrigerant tube body provided in a double tube shape on the outside of the ice making machine to form a refrigerant path on the outer surface of the ice making machine. When the refrigerant gas is sprayed, the refrigerant gas is further provided by providing a refrigerant path forming member made of a spring so that the refrigerant gas can be spread on the outer surface of the ice tray to improve the ice making efficiency, and further, to form a refrigerant path in a spiral in this space. It relates to an evaporator used in an auger type ice machine that heats and discharges along a refrigerant furnace, but increases heat exchange area through a spring surface area to improve production and efficiency.

In general, auger-type ice machines are compressed by the auger, which is coaxially arranged in the ice-making container, to gradually compress the ice mixed with the transferred moisture, thereby generating a hard ice column from which most of the moisture is removed and chipping the ice column. It is to make ice cubes by cutting into shape.

Prior art related to the auger-type ice maker is disclosed in Patent Publication No. 10-2019-0045834 "Auger-type Ice Maker" (hereinafter referred to as "Prior Art 1"), Patent Publication No. 10-2010-0077262 "Ice tube and its Manufacturing Method" (hereinafter referred to as "Prior Art 2"), Registered Patent No. 10-2046800 "Defroster of Auger Type Ice Maker" (hereinafter referred to as "Prior Art 3"), Registered Patent No. 10-0384812 " And a fixing method and a fixing structure of a refrigerant pipe in an auger type ice maker (hereinafter referred to as'prior art 4').

First, the prior art 1 is an auger-type ice machine in which a nugget-shaped ice is extruded by forming an exit port in a vertical direction with respect to the horizontal direction of the auger shaft, while rotating and contacting the inner circumferential surface of the ice tray 10 on the auger shaft 21 As the formed auger blade 22 rotates, the auger 2 forms an ice-making space 27 between the auger blades 22, the evaporation tube 3 forming the evaporating refrigerant space, and the type of the auger 2 The bearing 4 installed on the coaxial part 23 and the second shaft part 26 are connected to the reduction gear 53 to drive the auger, and the driving part installed to drive the reduction gear 53 with the driving motor 51 (5), the evaporation tube (3) is formed on the outside and the evaporation tube (3) is installed to be insulated with the outside (6), and the ice space at the end of the auger blade (22) (24), the compression end portion (25) forming one side of the excavation space (24) and the excavation space (24), as well as forming the guide wing (25), forming the auger (2) In addition to forming a sealing member 72 in close contact with the auger shaft to prevent axial eccentric flow, and includes an ejection block 7 fixed to the driving unit with a fixing means 54, the guide vane 25 is made of ice A guide path (28) in which a contact surface is formed in a spiral shape so that the ice is moved in the ice-covering space under a pressing force in the horizontal direction in the ice-making space under the rotational pressure of the blade; And it is formed at the end of the guide path to the ice-making ice 15 is presented; auger-type ice machine comprising a.

In addition, in the prior art 2, the ice-making pipe is inserted into the inside of the exterior (1) and the exterior (1) in which the spiral groove (12) is formed as the inner circumferential surface, and the outer circumferential surface has a predetermined refrigerant circulation space (a) between the spiral groove It is an ice-making pipe of an auger-type ice machine including an inner tube 2 forming an ice-making space b in which the auger 3 is located as an inner space, and on the inner circumferential surface of a cylindrical pipe having a predetermined diameter L1. In a state in which a cylindrical pipe is inserted between the expansion pipes (A) having internally formed spiral grooves to form the spiral grooves (12), both ends of the expansion pipe (A) are sealed and through-holes are formed on one side. Forming a spiral tube by applying a water pressure of; A step of forming an inner tube 2 having an ice-making water intake hole at an upper portion and an ice-making water outlet hole at a lower portion as a cylindrical pipe having a diameter L2 smaller than the diameter L1 of the exterior 1; A predetermined refrigerant circulation space (a) between the inner helical grooves 12 of the exterior 1, including the step (c) of inserting the interior tube 2 into the inner surface of the exterior 1 to be combined. How to form,

The prior art 3 is a stainless steel cylindrical tube having a predetermined diameter, a predetermined length and a predetermined thickness; An auger rotatably mounted inside the ice tube; A refrigerant pipe in the form of a spiral contact coil spring fixedly installed in a predetermined area on the outer circumferential surface of the ice-making pipe; An ice-making water supply pipe and an ice-water recovery pipe formed on a lower side of the ice-making pipe to supply ice-making water and recover the remaining ice-making water after ice-making; An ice outlet for discharging ice of a predetermined shape and size to an upper side of the ice making pipe; An ice reservoir disposed on an upper portion of the ice making pipe to store ice discharged from an ice outlet; In the ice-making section of the auger-type ice machine comprising a geared motor for rotating the auger installed in the inside of the ice-making pipe, the ice-making section of the ice-making section has a predetermined depth in a certain area in the longitudinal direction of the cylindrical tube on the outer circumferential surface of the stainless steel cylindrical tube. Presenting the ice-making section of the auger-type ice machine that is formed by spacing a plurality of molten lead-in grooves at regular intervals on the circumference of the cylindrical tube,

According to the prior art 4, the ice pipe can be fixed by soldering the ice pipe to a state in which the spiral space between the same refrigerant pipes adjacent to each other and the ice tray are completely filled according to the spiral of the spiral refrigerant pipe. The auger-type ice machine that enables soldering work and can continuously manufacture ice with good quality and provides a fastening method and a fastening structure of a refrigerant pipe.

As described above, various techniques have been proposed for a refrigerant pipe or an ice making machine used for auger type ice making machines, but there is a need for a method of generating ice at a more efficient cost by improving heat exchange efficiency when generating ice. That is true.

Therefore, the present invention was made to solve the above problems,

An object of the present invention is to provide an evaporator used in an auger type ice machine that improves thermal efficiency by allowing the refrigerant to spread evenly on the outer surface of the ice-making container through an extra-cooled refrigerant tube body to form a refrigerant path in a double-tube type outside the ice-making container.

In addition, an object of the present invention is to provide an evaporator used in an auger-type ice machine, which solves a problem that a production speed is lowered by allowing a refrigerant to be supplied from the lower portion and discharged from the upper portion.

Furthermore, another object of the present invention is to provide an evaporator used in an auger-type ice machine that spirally forms a refrigerant path and improves heat exchange efficiency by the surface area of the spring as the refrigerant path forming member further comprises a spring. Should be

In order to achieve the above object, the evaporator used in the auger type ice machine according to the present invention

An ice tray having an auger installed coaxially therein;

A refrigerant pipe body that is extrapolated to the ice making machine but is secretly attached to the outside surface of the ice making machine to form a refrigerant path, and an inlet pipe through which refrigerant gas flows is formed at a lower portion and an outlet pipe through which refrigerant gas is discharged;

Including, but

A refrigerant path forming member for spirally forming a refrigerant path through which the injected refrigerant gas moves is further provided between the refrigerant tube body and the ice making cylinder.

As described above, the evaporator used in the auger type ice machine according to the present invention

Consists of an ice tube equipped with an auger and a refrigerant tube that is extrapolated to the ice tube in a double tube type to form a refrigerant path therebetween. As the refrigerant gas flowing into the refrigerant path spreads evenly over the entire outer surface of the ice tray, the ice making efficiency is improved. It has the effect of increasing.

Also, as the refrigerant gas is supplied from the lower portion and discharged to the upper portion, there is an effect of preventing overcooling from occurring in the ice discharge portion.

Furthermore, as the refrigerant path forming member is further provided for spirally forming the refrigerant path, the heat exchange efficiency is further improved as the surface area is increased due to the refrigerant path forming member, and the congestion time of the refrigerant gas is increased to significantly increase the ice making efficiency. There is an effect that can be improved.

In addition, as the refrigerant path forming member is configured with a spring, the structure is simple, so that cost reduction and maintenance convenience can also be improved.

1 and 2 are perspective views of a first embodiment of an evaporator according to the present invention
Figure 2 is a side perspective view of a first embodiment of the evaporator according to the present invention
3 is a perspective view of a second embodiment of the evaporator according to the present invention
Figure 4 is a side perspective view of a second embodiment of the evaporator according to the present invention
5 is a modification of the evaporator according to the present invention

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

The present invention can be applied to a variety of changes and can have a variety of forms, the implementation (態樣, aspect) (or embodiments) will be described in detail in the text. However, this is not intended to limit the present invention to a specific disclosure form, it should be understood to include all modifications, equivalents, or substitutes included in the spirit and scope of the present invention.

The same reference numbers in each drawing, especially the number of tens and ones, or the same number of tens, ones, and alphabets refer to members having the same or similar functions, and each of the drawings unless otherwise specified. The member indicated by the reference number can be regarded as a member conforming to these standards.

In addition, in each drawing, the components are exaggeratedly large (or thick) or smallly (or thinly) or simplified to express the size or thickness in consideration of convenience, etc., thereby limiting the scope of the present invention. It should not be.

The terminology used herein is only used to describe a specific embodiment (sun, 態樣, aspect) (or embodiment), and is not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, terms such as ~include~ or ~consist of~ are intended to designate the existence of features, numbers, steps, operations, components, parts or combinations thereof described in the specification, and one or more other features. It should be understood that the existence or addition possibilities of fields or numbers, steps, actions, components, parts or combinations thereof are not excluded in advance.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person skilled in the art to which the present invention pertains. Terms, such as those defined in a commonly used dictionary, should be interpreted to have meanings consistent with meanings in the context of related technologies, and should not be interpreted as ideal or excessively formal meanings unless explicitly defined in the present application. Does not.

The evaporator E used in the auger type ice machine according to the present invention may be made of two embodiments as shown in the drawings, and FIGS. 1 and 2 show the first embodiment, and FIGS. 3 and 3 4 shows the second embodiment, and each embodiment will be described in more detail with reference to the drawings.

First, as shown in Figures 1 and 2, the evaporator (E) used in the auger-type ice machine according to the present invention has an ice-making container (10) for ice-making and discharging water that is fed using a heat exchange method of refrigerant gas It is provided, and the ice making container 10 is formed of a cylindrical tube body, and the ice making part 11 is formed therein.

In addition, the lower portion of the ice making container 10 is formed with a water supply unit 13 through which water for ice can be supplied, so that water can be supplied through a separate water supply hose, and frozen ice is discharged to the upper part. The outlet 15 which can be formed is formed.

In addition, although not shown in the drawing, the icemaker 11 is provided with an auger rotated to discharge ice. In fact, ice is generated on the inner wall surface of the ice maker 10, and at this time, The auger is made to rotate and scrape the ice generated in the ice making section 11, and this auger is widely used in a conventional auger type ice machine,

A shaft and a spiral blade provided on the outer surface of the shaft portion are formed to scrape ice, and a drive motor is generally provided on the shaft portion.

The present invention is designed to improve the thermal efficiency in the ice-making process, characterized in that it further comprises a refrigerant tube 20 made of a double tube type to be extrapolated to the ice-making container 10 to form a refrigerant path 25 therebetween. .

First, the refrigerant tube 20 is to be extrapolated to the ice making container 10 to form a refrigerant path 25 through which refrigerant gas passes, and the refrigerant tube 20 is to be extrapolated to the outer surface of the ice making container 10. At this time, the outer surface of the ice-making container 10 and the inner surface of the refrigerant tube 20 have a difference in diameter so that they can be separated from each other.

That is, the spaced apart space forms the refrigerant path 25 through which the refrigerant gas passes, and the upper and lower portions of the refrigerant tube 20 are end portions on the outer surface of the ice making container 10 to prevent the refrigerant gas from flowing out. It is obvious that the flange portion is formed to be in close contact, and at this time, it is preferable that the packing is further provided to prevent the refrigerant gas from leaking out.

In addition, an inlet pipe 23 through which refrigerant gas flows is formed at a lower portion of the refrigerant pipe body 20, and an outlet pipe 21 through which heat-exchanged refrigerant gas is discharged is formed on the upper portion of the refrigerant pipe body 20. The inlet pipe 23 and the outlet pipe 21 are made of a pipe projecting from the refrigerant pipe body 20 so that the inlet hose and outlet hose can be easily fitted and connected to the inlet pipe 23 and outlet pipe 21 It is obvious that the inlet hole 231 and the outlet hole 211 are formed.

In addition, the inlet pipe 23 may be provided in a plurality of two or more in order to further improve the cooling efficiency, so that it is possible to supply the refrigerant gas in multiple directions at the same time, but the scope of the rights should not be interpreted.

As described above, according to the first embodiment of the present invention, the refrigerant pipe 20 is extrapolated to the outer surface of the ice-making container 10, but the refrigerant gas supplied is made of a double tube type so as to form a refrigerant path 25 therebetween. Since the refrigerant gas spreads on the refrigerant path 25 and the refrigerant gas is evenly distributed on the outer surface of the ice making container 10, the heat exchange efficiency can be improved to improve the ice making efficiency.

Furthermore, in the present invention, the refrigerant gas is introduced from the bottom to be discharged to the top, which is to prevent overcooling when ice is discharged by the refrigerant gas.

That is, when the refrigerant gas is supplied from the upper side, since the coolant refrigerant gas is brought into contact with the ice discharged to the upper portion, the ice may be supercooled, so the supply direction of the refrigerant gas is limited to the lower direction.

3 and 4 show a second embodiment of the evaporator E used in the auger type ice machine according to the present invention, the difference between the first embodiment and the refrigerant path forming member in the refrigerant path 25 (30) is further provided so that the refrigerant gas passes through the outer surface of the ice making container (10) by forming a spiral.

More specifically, the refrigerant path forming member 30 is provided in the refrigerant path 25, and more precisely, it is provided on the outer surface of the ice making container 10, which means a spiral body forming a predetermined interval.

This is similar to a spring similar to the present invention, but it is also possible to introduce a spring as the refrigerant path forming member 30, but it is also possible to be newly manufactured using a separate copper pipe, etc., and the inside of the copper pipe is filled. It is preferably made of.

That is, as shown in the figure, the refrigerant gas introduced by the refrigerant path forming member 30 is along the refrigerant path 25 spirally formed by the refrigerant path forming member 30, the ice-making container 10 The outer surface is raised and discharged, thereby increasing the contact time with the ice making container 10 so that heat exchange can be performed more effectively, and furthermore, of the ice making container 10 by the refrigerant path forming member 30 Heat exchange is made faster by increasing the surface area, which has the effect of improving the heat exchange efficiency, that is, the ice making efficiency.

Figure 5 shows a modification of the evaporator (E) used in the auger-type ice machine according to the present invention, more precisely when the refrigerant tube 20 is coupled to the outer surface of the ice-making container 10, water tightness and sealability It is provided to improve the

The ice making container 10 and the refrigerant tube 20 can be easily fastened through the hook coupling means 60, and FIG. 5 shows the hook coupling means 60, with reference to the drawings. This will be described in more detail.

First, a hook protrusion 61 protruding downward is further provided on a lower flange of the refrigerant tube 20, and a hook coupling block () is provided on an outer surface of the ice making container 10 so as to correspond to the hook protrusion 61. 63) is further provided, and as the hook protrusion 61 is fastened to the hook coupling block 63, the watertightness can be improved while the refrigerant tube 20 and the ice making container 10 are easily fastened.

To this end, the hook coupling block 63 is formed with a fitting portion 631 into which the hook projection 61 is inserted, and provided on the outer wall 634 of the fitting portion 631 to engage the hook projection 61. The engaging groove 635 is provided.

Again, the hook coupling means 60 is provided on the hook protrusion 61 provided on the lower portion of the refrigerant tube 20, and on the outer surface of the ice making container 10, in a position corresponding to the hook protrusion 61. It is provided with a hook coupling block 63 to which the hook protrusion 61 is coupled, and provided in the hook coupling block 63 to penetrate the pipe-shaped pressure pipe 651 and the pressure pipe 651 made of a hard material. Consists of an elastic tube 65 including an elastic band 653 to be connected, and when the hook projection 61 is inserted into the hook coupling block 63, the elastic tube 65 is the hook projection 61 It is characterized in that it is made to support the inner side of the hook protrusion 61 to prevent departure.

More specifically, the hook coupling block 63 is formed with a fitting portion 631 into which the hook projection 61 is inserted, and a pair of partition walls 632 are formed on both sides of the fitting portion 631. The outer wall 634 is formed with the locking groove 635 on the outside.

The elastic pipe 65 is made of a pipe-shaped pressure pipe 651 made of a hard material, and an elastic band 653 made of a soft material having elasticity through the pressure pipe 651,

The pressure pipe 651 is positioned between the pair of partition walls 632, and the elastic band 653 is provided longer than the length of the pressure pipe 651, so that both sides are on top of the partition wall portion 632. Fitted into the formed fitting groove (632a) and both ends passing through the fitting groove (632a) are fixed to the inner surface of the hook coupling block (63).

In addition, a watertight end 611 that can be introduced into the fitting groove 632a is formed at an upper portion of the hook protrusion 61, and an outer surface of the pressure pipe 651 is formed at an end of the hook protrusion 61. A fixing groove 613 concavely formed in a corresponding shape is formed, and a push protrusion 635a formed to protrude upward in an inner diagonal direction is further provided at the bottom of the locking groove 635.

The hook protrusion 61 is spaced apart a predetermined distance below the refrigerant tube 20 may be provided with a plurality, or may be composed of a single, the fitting portion 631 is the hook protrusion in the hook coupling block (63) It is provided in a position corresponding to the position of (61), as shown in the one-dot chain line in Figure 5, both sides of the fitting portion 631 is provided with a pair of partition walls 632, the hook projection (61) A may be inserted into the space between the pair of partition walls 632.

The watertight end 611 is formed on the lower portion of the ice making container 10, a hook protrusion 61 is provided below the watertight end 611, and the watertight end 611 has the hook protrusion 61. When inserted into the hook coupling block 63 is formed to be longer than the width between the pair of partition wall portion 632 is provided to be fitted to the fitting groove 632a formed at the upper end of the partition wall portion 632.

The pressure pipe 651 is made of a hard material and is made equal to or smaller than the width of the pair of partition walls 632, and a hollow portion is provided in the longitudinal direction so that the elastic band 653 is fitted into the hollow portion. It is made to be.

Both sides of the elastic strip 653, that is, both sides protruding through the pressure pipe 651 pass through the fitting groove 632a.

The fixing groove 613 is provided at the end of the hook protrusion 61 in a shape corresponding to the shape of the outer circumferential surface of the pressure pipe 651, and the push protrusion 635a has an end at the bottom of the locking groove 635. It protrudes upward inward to have a length that can be inserted into the fixing groove 613.

Accordingly, when the refrigerant tube 20 is extrapolated to the ice making container 10, the hook projection 61 is inserted into the fitting portion 631, and the hook projection 61 inserted into the fitting portion 631 is fixed. The groove 613 presses the upper portion of the pressure pipe 651 to lower the elastic pipe 65.

At this time, the pressure pipe 651 is made of a hard material and descends by a pressing force, and the elastic strip 653 passing through the fitting groove 632a penetrating the pressure pipe 651 causes the pressure pipe 651 to descend. As it expands, it becomes in close contact with the bottom surface of the fitting groove 632a, and when the hook protrusion 61 is further lowered and fitted into the locking groove 635, the push protrusion 635a is within the fixing groove 613. The pressure pipe 651 is pushed toward the inside of the hook protrusion 61 to be released.

As described above, the pressurized pipe 651 detached from the fixing groove 613 is returned to a height similar to that of the fitting groove 632a while the elastic force of the elastic band 653 is contracted again. When the elastic force of the elastic band 653 is exerted toward the outer wall 634, the pressure pipe 651 pushes the inner surface of the hook protrusion 61 so that the hook protrusion 61 is randomly removed from the locking groove 635. It prevents it from becoming and improves the bonding strength.

In addition, in the above description, the evaporator used for the auger type ice machine having a specific shape, structure, and configuration has been mainly described with reference to the accompanying drawings, but the present invention is capable of various modifications, changes, and substitutions by those skilled in the art, Such modifications, alterations and substitutions should be construed as falling within the protection scope of the present invention.

E: evaporator
10: ice tray 11: ice-making section
13: water supply section 15: outlet
20: refrigerant pipe 21: discharge pipe
211: outlet hole 23: inlet pipe
231: inlet hole 25: as a refrigerant
30: refrigerant furnace forming member 60: hook coupling means
61: hook projection 611: watertight
613: fixing groove 63: hook coupling block
631: fitting portion 632: partition wall portion
632a: fitting groove 634: outer wall
635: Hanging groove 635a: Push protrusion
65: elastic tube 651: pressurized tube
653: Elastic band

Claims (4)

An ice tray 10 having an auger installed coaxially therein;
It is extrapolated to the ice making container 10 but is provided to be closed to the outside surface of the ice making container 10 so as to form a refrigerant path. An inlet pipe 23 through which refrigerant gas flows is formed at the bottom, and an outlet pipe through which refrigerant gas is discharged. 21, the refrigerant tube 20 is formed;
Hook coupling means (60) for extrapolating and coupling the refrigerant tube (20) to the ice making container (10);
The hook coupling means 60
And the hook projection 61 provided on the lower portion of the refrigerant tube 20,
A hook coupling block 63 provided on the outer surface of the ice making container 10 and provided at a position corresponding to the hook protrusion 61 to which the hook protrusion 61 is coupled,
The hook coupling block 63 is provided in the pipe-shaped pressure pipe 651 made of a hard material and the elastic pipe 65 including an elastic band 653 connected to the pressure pipe 651 through the Done,
A fitting portion 631 into which the hook protrusion 61 is inserted is formed inside the hook coupling block 63, and a pair of partition walls 632 are formed on both sides of the fitting portion 631,
It is provided on the outer wall 634 of the fitting portion 631, the hook groove 61 is coupled to the engaging groove 635 is further provided,
The pressure pipe 651 is located between the pair of partition walls 632, the elastic band 653 is provided longer than the length of the pressure pipe 651, both sides are on top of the partition wall portion 632 Fitted into the formed fitting groove (632a), both ends of which passed through the fitting groove (632a) is fixed to the inner surface of the hook coupling block (63),
A watertight end 611 that can be introduced into the fitting groove 632a is formed at an upper portion of the hook protrusion 61, and an end portion of the hook protrusion 61 corresponds to an outer surface of the pressure pipe 651. The fixing groove 613 is formed in a concave shape is formed, and the push protrusion 635a formed to protrude upward in the inner diagonal direction is further provided at the bottom of the locking groove 635,
When the refrigerant tube 20 is extrapolated to the ice making container 10, the hook protrusion 61 is inserted into the fitting portion 631, and the fixing groove of the hook protrusion 61 inserted into the fitting portion 631 ( 613) presses the upper portion of the pressure pipe 651 to lower the elastic pipe 65,
When the hook protrusion 61 is further lowered and fitted into the locking groove 635, the push protrusion 635a pushes the pressure pipe 651 in the fixing groove 613 toward the inside of the hook protrusion 61 to release it. The pressure pipe 651 is returned to a height similar to the fitting groove 632a by the shrinking force of the elastic strip 653, but as the elastic force of the elastic strip 653 is formed toward the outer wall 634, the pressure pipe The evaporator used in the auger type ice machine, characterized in that 651 is configured to prevent the hook protrusion 61 from being detached from the locking groove 635 by pushing the inner surface of the hook protrusion 61 to the outside. According to claim 1,
A refrigerant path forming member 30 for spirally forming a refrigerant path 25 through which refrigerant gas moves is provided between the refrigerant tube body 20 and the ice maker 10, which is used in an auger type ice machine. evaporator. According to claim 2,
The refrigerant path forming member 30 is
Evaporator used in the auger type ice machine, characterized in that consisting of a spring to form a spiral refrigerant path (25). The method according to any one of claims 1 to 3,
The inlet pipe 23 is provided at the lower portion of the refrigerant pipe body 20, and the outlet pipe 21 is provided at the upper portion of the refrigerant pipe body 20 to prevent the ice discharged by the refrigerant gas from being overcooled. Evaporator used in auger type ice machine, characterized in that.

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