Novel slice ice machine evaporator

Abstract

The utility model discloses a novel slice ice machine evaporator which comprises an outer shell, an inner cylinder and an outer cylinder are arranged in the outer shell, the outer cylinder is sleeved and fixed on the outer wall of the inner cylinder, a spiral refrigerating channel is formed between the outer cylinder and the inner cylinder, and flanges are sleeved on the outer walls of the upper end and the lower end of the inner cylinder. The refrigeration channel on one side of the outer cylinder is a stainless steel product integrally formed through rolling. The outer cylinder is sleeved on the outer wall of the inner cylinder, the upper flanges are sleeved at the upper end and the lower end of the inner cylinder, and the inner cylinder can be fixed by a simple tool clamp, so that the installation can be easily realized, machined accessories are reduced, the welding workload is greatly reduced, the uniformity and the deformation of the inner wall of the refrigeration channel after welding are kept stable, and meanwhile, no welding point exists in the refrigeration channel; and the refrigerant can efficiently pass through the interior of the flow channel, so that the on-way resistance loss of the refrigerant can be reduced, and the refrigeration effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flake ice machines, in particular to a novel evaporator of a flake ice machine. Background Art

[0002] Flake ice machine is a kind of ice making machine. According to the water source, it can be divided into freshwater flake ice machine and seawater flake ice machine. Generally, most of them are industrial ice making machines. Flake ice is thin, dry and loose white ice with a thickness ranging from 1.0 mm to 2.5 mm. The flake shape is irregular and the diameter is about 12 to 45 mm. Flake ice has no sharp edges and will not pierce the frozen objects. It can enter the gaps between the cooled objects, reduce heat exchange, maintain the temperature of the ice, and has a good moisturizing effect. Flake ice has excellent refrigeration effect and has the characteristics of large cooling capacity and rapidity. Therefore, it is mainly used in various large-scale refrigeration facilities, food quick freezing, concrete cooling, etc.

[0003] The internal flow channel of the existing flake ice machine evaporator is made of multiple carbon steel spacers and arc cover plates through welding. The disadvantages are that it requires a large number of accessories to be processed, a large welding workload, poor process stability, unstable inner wall uniformity and deformation after welding, and poor cleanliness of the internal flow channel. Utility Model Content

[0004] The utility model aims to provide a novel flake ice machine evaporator which solves the above technical problems.

[0005] To achieve the above-mentioned purpose, the utility model provides a novel flake ice machine evaporator, comprising an outer shell, an inner cylinder and an outer cylinder on the same central axis are arranged in the outer shell, the outer cylinder is fixedly sleeved on the outer wall of the inner cylinder, a spiral refrigeration channel is formed between the outer cylinder and the inner cylinder, flanges are sleeved on the outer walls of the upper and lower ends of the inner cylinder, the inner cylinder, the outer cylinder and the refrigeration channel are all made of stainless steel, the refrigeration channel on one side of the outer cylinder is formed by rolling, and a refrigerant inlet pipe and a refrigerant outlet pipe for docking and communicating with the refrigeration channel are also fixedly installed on the outer wall of the outer cylinder;

[0006] The outer cylinder includes a plurality of flow channel shells and a plurality of docking shells, the end of the flow channel shell located at the top is integrally docked with the end of the flow channel shell located at the bottom through the docking shell, the adjacent flow channel shells are welded to each other, and the flow channel shell located at the top and the flow channel shell located at the bottom are welded to the inner cylinder;

[0007] A top cover is installed at the upper end of the outer shell through a flange, a driving motor is arranged above the top cover, a driving shaft of the driving motor is connected to a rotating shaft, the rotating shaft passes through the top cover and extends to the inside of the inner cylinder, a sprinkler assembly is arranged on the outer surface of the rotating shaft, and bracket plates are fixedly connected to the upper and lower ends of the rotating shaft, and an ice skate assembly is movably installed between the two bracket plates through a bayonet;

[0008] An annular plate is installed at the lower end of the outer shell through a flange, a bearing seat is installed at the center of the annular plate through a central column, the rotating shaft is rotatably installed on the bearing seat, an annular water tank is arranged at the lower end of the annular plate, the circular hole between the annular water tank and the annular plate is an ice outlet, a water outlet pipe is arranged at the side end of the annular water tank, and the water outlet pipe is connected with the inside of the annular water tank, an annular water guide plate is installed at the upper end of the annular plate, an array of water leakage holes are opened on the upper end of the annular plate, and the water leakage holes are connected with the inside of the annular water tank.

[0009] Optionally, the watering assembly includes a water receiving tray mounted on a rotating shaft, a water distribution pipe is provided at a side end of the water receiving tray, the water distribution pipe is connected to the water receiving tray, and a total of eight water distribution pipes are provided, and the eight water distribution pipes are distributed in an array about the water receiving tray.

[0010] Optionally, a water inlet pipe penetrating the top cover is arranged directly above the water receiving tray.

[0011] Optionally, the ice blade assembly includes an ice blade roller, a clamping shaft and a limiting column. The outer surface of the ice blade roller is in fit with the inner wall of the inner cylinder. The clamping shaft movably passes through the inner side of the clamping hole. The limiting column is fixedly connected to the upper end of the clamping shaft. The outer surface of the lower end of the limiting column is movably fitted with the outer surface of the upper end of the bracket plate. The ice blade roller is made of stainless steel, that is, a roller body with spiral raised stripes on the surface.

[0012] Optionally, the multiple flow channel shells, the multiple docking shells and the inner cylinder form a spirally ascending refrigeration channel.

[0013] Optionally, welding sections are provided between the flow passage housing and the inner cylinder located at the top, the flow passage housing and the inner cylinder located at the bottom, and adjacent flow passage housings.

[0014] Optionally, the refrigerant inlet pipe is welded to the free end of the flow channel shell located below, and the refrigerant outlet pipe is welded to the free end of the flow channel shell located above.

[0015] Optionally, the inner cylinder, outer cylinder and refrigeration channel are all made of 304 stainless steel.

[0016] Optionally, the transverse cross-sectional shape of the refrigeration channel is D-shaped.

[0017] Optionally, the flange is also provided with a plurality of mounting holes for mounting a top cover or an annular plate.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] (1) The utility model is a method in which an outer cylinder is sleeved on the outer wall of an inner cylinder, and flanges are sleeved on the upper and lower ends of the inner cylinder, which can be fixed with a simple fixture, and can be easily welded, thereby reducing the number of accessories to be processed and greatly reducing the welding workload. The inner cylinder, the outer cylinder and the refrigeration channel are all made of stainless steel. The refrigeration channel on one side of the outer cylinder is formed by rolling in one piece. After welding, the uniformity and deformation of the inner wall of the refrigeration channel remain stable. At the same time, the adjacent flow channel shells of the outer cylinder are welded to each other, and the flow channel shells located at the top and the flow channel shells located at the bottom are welded to the inner cylinder, so that there are no welding points inside the refrigeration channel and no welding slag will appear. The refrigerant can pass through the flow channel efficiently, which can reduce the resistance loss of the refrigerant along the way and improve the refrigeration effect.

[0020] (2) The utility model receives water flowing into the water inlet pipe through the water receiving tray, and the water distribution pipe distributes it to the inner wall of the inner cylinder. At the same time, the refrigerant flowing in the cooling flow channel can fully contact the inner cylinder. When the water slides down from the inner wall of the inner cylinder from top to bottom, it can be fully cooled, so that it condenses into ice on the inner wall of the inner cylinder. When making ice, the uncondensed water flows onto the annular plate. With the cooperation of the water guide plate, the water can flow into the annular water tank from the leakage hole. The refrigerated water in the annular water tank can be re-transported to the water receiving tray through the external pump body, which can reduce the energy consumption of the evaporator in making ice. After ice making is completed, the driving motor rotates the rotating shaft. When the rotating shaft rotates, the ice blade roller can scrape the ice flakes on the inner wall of the inner cylinder, and the ice flakes can be discharged from the ice outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0022] Figure 1 This is a three-dimensional diagram of an evaporator according to an embodiment of the present utility model.

[0023] Figure 2 This is a cross-sectional view of an evaporator according to an embodiment of the present utility model.

[0024] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0025] Figure 4 This is a three-dimensional diagram of a flake ice machine according to an embodiment of the present utility model.

[0026] Figure 5 This is a front cross-sectional structural schematic diagram of a flake ice machine according to an embodiment of the utility model.

[0027] Figure 6It is a schematic diagram of the partial internal structure of the inner cylinder of an embodiment of the utility model.

[0028] Figure 7 This is a schematic diagram of the structure of the ice skate assembly according to an embodiment of the utility model.

[0029] Figure 8 This is a schematic diagram of the structure of the watering pipe of an embodiment of the utility model after being dismantled.

[0030] In the figure: outer shell 1, inner tube 2, outer tube 3, flow channel shell 301, docking shell 302, flange 4, mounting hole 401, refrigerant inlet pipe 5, refrigerant outlet pipe 6, sprinkler assembly 7, water receiving tray 701, water distribution pipe 702, ice blade assembly 8, ice blade roller 801, clamping shaft 802, limit column 803, bracket plate 9, bayonet 901, top cover 10, drive motor 11, rotating shaft 12, annular plate 13, annular water tank 14, ice outlet 15, water outlet pipe 16, water guide plate 17, water leakage hole 18, welding section 19, water inlet pipe 20, bearing seat 21. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0032] In the description of the embodiments of the present invention, it should be understood that if there are directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, inside, outside, etc., the directions or positional relationships indicated are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of describing the embodiments of the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, it should not be understood as a limitation on the present invention.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0034] In the embodiments of the present invention, unless otherwise clearly specified and limited, if there are terms such as "installed", "connected", "connected", "fixed", etc., they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to the specific circumstances.

[0035] like Figures 1 to 8 As shown, the embodiment of the utility model provides a novel flake ice machine evaporator, including an outer shell 1, an inner cylinder 2 and an outer cylinder 3 are arranged in the outer shell 1 on the same central axis, the outer cylinder 3 is fixedly mounted on the outer wall of the inner cylinder 2, a spiral rising refrigeration channel is formed between the outer cylinder 3 and the inner cylinder 2, flanges 4 are mounted on the outer walls of the upper and lower ends of the inner cylinder 2, the inner cylinder 2, the outer cylinder 3 and the refrigeration channel are all made of 304 stainless steel, the refrigeration channel located on one side of the outer cylinder is formed by rolling, and a refrigerant inlet pipe 5 and a refrigerant outlet pipe 6 for docking and communicating with the refrigeration channel are also fixedly installed on the outer wall of the outer cylinder 3;

[0036] The outer cylinder 3 includes a plurality of flow channel housings 301 and a plurality of docking housings 302. The end of the flow channel housing 301 located at the top is integrally docked with the end of the flow channel housing 301 located at the bottom through the docking housing 302. The flow channel housing 301 located at the top and the flow channel housing 301 located at the bottom are welded to the inner cylinder 2, and adjacent flow channel housings 301 are welded to each other.

[0037] A top cover 10 is installed at the upper end of the outer shell 1 through a flange 4, a driving motor 11 is arranged above the top cover 10, a driving shaft of the driving motor 11 is connected to a rotating shaft 12, the rotating shaft 12 passes through the top cover 10 and extends to the inside of the inner tube 2, a sprinkler assembly 7 is arranged on the outer surface of the rotating shaft 12, and bracket plates 9 are fixedly connected to the upper and lower ends of the rotating shaft 12, and an ice skate assembly 8 is movably installed between the two bracket plates 9 through a bayonet 901;

[0038] An annular plate 13 is installed at the lower end of the outer shell 1 through the flange 4, a bearing seat 21 is installed at the center of the annular plate 13 through the center column, and the rotating shaft 12 is rotatably installed on the bearing seat 21. An annular water tank 14 is arranged at the lower end of the annular plate 13, and the circular hole between the annular water tank 14 and the annular plate 13 is an ice outlet 15. A water outlet pipe 16 is arranged at the side end of the annular water tank 14, and the water outlet pipe 16 is connected with the annular water tank 14. An annular water guide plate 17 is installed at the upper end of the annular plate 13. An array of water leakage holes 18 are opened on the upper end of the annular plate 13 on one side of the water guide plate 17, and the water leakage holes 18 are connected with the annular water tank 14.

[0039] Specifically, the outer cylinder 3 is fixed on the outer wall of the inner cylinder 2, and flanges 4 are installed on the outer walls of the upper and lower ends of the inner cylinder 2, which can be fixed with simple fixtures, and can be easily welded, reducing the number of processed accessories and greatly reducing the welding workload.

[0040] Specifically, the inner tube 2, the outer tube 3 and the refrigeration channel are all made of 304 stainless steel. The refrigeration channel on one side of the outer tube 3 is formed by rolling. During the specific processing and manufacturing, the refrigeration channel on one side of the outer tube 3 is rolled using a rolling mold of a rolling machine, so that the outer tube 3 has a flow channel shell 301 and a docking shell 302.

[0041] Specifically, the adjacent flow channel shells 301 of the outer cylinder 3 are welded to each other, and the flow channel shells 301 located at the top and the flow channel shells 301 located at the bottom are welded to the inner cylinder 2, so that there are no welding points inside the refrigeration channel and no welding slag will appear.

[0042] In this embodiment, if Figure 5 and Figure 6 As shown, the sprinkler assembly 7 includes a water receiving tray 701 installed on the rotating shaft 12, and a water distribution pipe 702 is provided at the side end of the water receiving tray 701. The water distribution pipe 702 is connected to the water receiving tray 701. There are eight water distribution pipes 702 in total. The eight water distribution pipes 702 are distributed in an array with respect to the water receiving tray 701, and the water can be diverted to the inner wall of the inner tube 2 through the water distribution pipe 702.

[0043] In this embodiment, if Figure 5 As shown, a water inlet pipe 20 penetrating the top cover 10 is arranged directly above the water receiving tray 701 , and water used to form flake ice enters the water receiving tray 701 through the water inlet pipe 20 .

[0044] In this embodiment, if Figures 6 to 8 As shown, the ice skate assembly 8 includes an ice skate roller 801, a clamping shaft 802 and a limiting column 803. The outer surface of the ice skate roller 801 is fitted with the inner wall of the inner tube 2. The clamping shaft 802 is movably inserted into the inner side of the clamping hole 901. The limiting column 803 is fixedly connected to the upper end of the clamping shaft 802. The outer surface of the lower end of the limiting column 803 is movably fitted with the outer surface of the upper end of the bracket plate 9. The ice skate roller 801 is made of stainless steel, that is, a roller body with spiral raised stripes on the surface.

[0045] Specifically, when disassembling the ice blade assembly 8, move the ice blade roller 801 to one side so that the clamping shaft 802 moves out from the inner side of the clamping hole 901, and then remove the ice blade roller 801 for easy cleaning. After reinstalling it back to the inner side of the outer shell 1, the ice blade roller 801 is supported by the inner wall of the inner tube 2, so that the clamping shaft 802 is stuck on the inner side of the clamping hole 901 and will not move out. At the same time, the limiting column 803 prevents the clamping shaft 802 from moving up and down, ensuring that the ice blade structure will not fall.

[0046] In this embodiment, if Figure 2 As shown, a plurality of flow channel shells 301, a plurality of docking shells 302 and the inner tube 2 form a spirally ascending refrigeration channel.

[0047] In this embodiment, if Figure 3 As shown, welding sections 19 are provided between the flow passage housing 301 and the inner cylinder 2 located at the top, the flow passage housing 301 and the inner cylinder 2 located at the bottom, and the adjacent flow passage housings 301 .

[0048] In this embodiment, if Figure 2 As shown, the refrigerant inlet pipe 5 is welded to the free end of the flow channel shell 301 located at the bottom, and the refrigerant outlet pipe 6 is welded to the free end of the flow channel shell 301 located at the top.

[0049] In this embodiment, if Figure 2 As shown, the transverse cross-sectional shape of the refrigeration channel is D-shaped, which increases the heat exchange area and makes the refrigeration channel smooth, increases the flow rate of the refrigerant in the refrigeration channel, improves the heat exchange efficiency and achieves the purpose of energy saving.

[0050] In this embodiment, if Figure 2 As shown, a plurality of mounting holes 401 for mounting the top cover 10 or the annular plate 13 are distributed on the flange 4 .

[0051] Specifically, by inserting bolts into the installation holes 401, the flake ice machine evaporator can be assembled with other components of the flake ice machine.

[0052] Working principle: When making the evaporator, the outer cylinder 3 is pressurized and expanded by using a water expansion machine and a water expansion mold to form a flow channel shell 301 and a docking shell 302. After the outer cylinder 3 and the inner cylinder 2 are assembled, a spiral rising refrigeration channel can be formed. After welding, flanges 4 are put on the upper and lower ends of the inner cylinder 2, and then the adjacent flow channel shells 301 are welded, as well as the flow channel shell 301 inner cylinder 2 located above and the flow channel shell 301 and the inner cylinder 2 located below are welded. The refrigerant inlet pipe 5 and the refrigerant outlet pipe 6 are welded at the corresponding positions of the outer cylinder 3. The inner cylinder 2 and the outer cylinder 3 can be tightened by a mechanical mold, and the two end faces of the flange 4 are welded and sealed to form a refrigeration channel; on the basis of the evaporator, bolts are inserted into the multiple installation holes 401 of the flange 4, so that the evaporator can be spliced ​​with other components of the flake ice machine to assemble the flake ice machine.

[0053] When operating the flake ice machine, water is introduced into the inner cylinder 2 through the water inlet pipe 20. After the water is received by the water receiving tray 701 in the inner cylinder 2, it is diverted to the inner wall of the inner cylinder 2 through the water distribution pipe 702. At the same time, the refrigerant enters the refrigeration channel from the refrigerant inlet pipe 5. The refrigerant fully contacts the inner cylinder 2 when flowing in the refrigeration channel. When the water slides down from the inner wall of the inner cylinder 2 from top to bottom, it is fully cooled, so that it condenses into ice on the inner wall of the inner cylinder 2. When making ice, the uncondensed water flows onto the annular plate 13. With the cooperation of the water guide plate 17, the water flows into the annular water tank 14 from the water leakage hole 18. The water in the annular water tank 14 is re-transported to the water receiving tray 701 through the external pump body, which can reduce the energy consumption of ice making of the evaporator. After ice making is completed, the driving motor 11 can be used to rotate the rotating shaft. When the rotating shaft rotates, the ice blade roller 801 can scrape the flake ice on the inner wall of the inner cylinder 2, and the flake ice can be discharged from the ice outlet 15.

[0054] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel flake ice machine evaporator, comprising an outer shell (1), characterized in that: The outer shell (1) is provided with an inner cylinder (2) and an outer cylinder (3) which are located on the same central axis as the outer cylinder (3), the outer cylinder (3) is sleeved and fixed on the outer wall of the inner cylinder (2), a spirally ascending refrigeration channel is formed between the outer cylinder (3) and the inner cylinder (2), flanges (4) are sleeved on the outer walls of the upper and lower ends of the inner cylinder (2), the inner cylinder (2), the outer cylinder (3) and the refrigeration channel are all made of stainless steel, the refrigeration channel is integrally formed by rolling, and a refrigerant inlet pipe (5) and a refrigerant outlet pipe (6) for docking and communicating with the refrigeration channel are also fixedly installed on the outer wall of the outer cylinder (3); The outer cylinder (3) comprises a plurality of flow channel shells (301) and a plurality of docking shells (302); the end of the flow channel shell (301) located at the top is integrally docked with the end of the flow channel shell (301) located at the bottom via the docking shell (302); the flow channel shell (301) located at the top and the flow channel shell (301) located at the bottom are welded to the inner cylinder (2); and adjacent flow channel shells (301) are welded to each other; A top cover (10) is installed at the upper end of the outer shell (1) through a flange (4), a driving motor (11) is arranged above the top cover (10), a driving shaft of the driving motor (11) is connected to a rotating shaft (12), the rotating shaft (12) passes through the top cover (10) and extends to the inside of the inner cylinder (2), a sprinkler assembly (7) is arranged on the outer surface of the rotating shaft (12), and bracket plates (9) are fixedly connected at the upper and lower ends of the rotating shaft (12), and an ice skate assembly (8) is movably installed between the two bracket plates (9) through a bayonet (901); An annular plate (13) is mounted on the lower end of the outer shell (1) via a flange (4); a bearing seat (21) is mounted on the center of the annular plate (13) via a center column; the rotating shaft (12) is rotatably mounted on the bearing seat (21); an annular water tank (14) is arranged at the lower end of the annular plate (13); a circular hole between the annular water tank (14) and the annular plate (13) is an ice outlet (15); a water outlet pipe (16) is arranged at the side end of the annular water tank (14); and the water outlet pipe (16) is connected to the inside of the annular water tank (14); an annular water guide plate (17) is mounted on the upper end of the annular plate (13); and an array of water leakage holes (18) are provided at the upper end of the annular plate (13) on one side of the water guide plate (17); and the water leakage holes (18) are connected to the inside of the annular water tank (14).

2. A novel flake ice machine evaporator according to claim 1, characterized in that: The watering assembly (7) comprises a water receiving tray (701) mounted on a rotating shaft (12); a water distribution pipe (702) is arranged at a side end of the water receiving tray (701); the water distribution pipe (702) is connected to the water receiving tray (701); a total of eight water distribution pipes (702) are arranged; the eight water distribution pipes (702) are arranged in an array with respect to the water receiving tray (701); and a water inlet pipe (20) penetrating the top cover (10) is arranged directly above the water receiving tray (701).

3. The novel flake ice machine evaporator according to claim 1, characterized in that: The ice skate assembly (8) includes an ice skate roller (801), a clamping shaft (802) and a limiting column (803). The outer surface of the ice skate roller (801) is in contact with the inner wall of the inner cylinder (2). The clamping shaft (802) is movably inserted into the inner side of the clamping mouth (901). The limiting column (803) is fixedly connected to the upper end of the clamping shaft (802). The outer surface of the lower end of the limiting column (803) is movably fitted with the outer surface of the upper end of the bracket plate (9). The ice skate roller (801) is made of stainless steel, that is, a roller body with spiral raised stripes on the surface.

4. The novel flake ice machine evaporator according to claim 1, characterized in that: The multiple flow channel shells (301), the multiple docking shells (302) and the inner cylinder (2) form a spirally ascending refrigeration channel.

5. The novel flake ice machine evaporator according to claim 1, characterized in that: A welding section (19) is provided between the flow channel housing (301) and the inner cylinder (2) located at the top, the flow channel housing (301) and the inner cylinder (2) located at the bottom, and adjacent flow channel housings (301).

6. The novel flake ice machine evaporator according to claim 1, characterized in that: The refrigerant inlet pipe (5) is welded to the free end of the flow channel shell (301) located at the bottom, and the refrigerant outlet pipe (6) is welded to the free end of the flow channel shell (301) located at the top.

7. The novel flake ice machine evaporator according to claim 1, characterized in that: The inner cylinder (2), the outer cylinder (3) and the refrigeration channel are all made of 304 stainless steel.

8. The novel flake ice machine evaporator according to claim 1, characterized in that: The transverse cross-sectional shape of the refrigeration channel is D-shaped.

9. The novel flake ice machine evaporator according to claim 1, characterized in that: The flange (4) is also provided with a plurality of mounting holes (401) for mounting the top cover (10) or the annular plate (13).

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