Stirring device with cooling function

Abstract

A stirring device according to one example of the present invention comprises: a stirring container including an inner chamber having a stirring space and an outer chamber surrounding the inner chamber, and having a container cooling space provided between the inner chamber and the outer chamber; a stirring part including a stirring rod disposed in the stirring space and configured to stir the object to be stirred accommodated in the stirring space; a plurality of cooling bars, each of which protrudes from the inner chamber of the stirring container into the stirring space and is connected to the container cooling space to enable the fluid to move; and a cooling driving part which supplies cooling water to the container cooling space.

Description

Technical Field

[0001] The present invention relates to a stirring device, and more particularly to a stirring device having a cooling function, and more particularly to a stirring device having a cooling function capable of maintaining the temperature of an object to be stirred at a constant level by cooling the heat generated during stirring.

[0002] This application claims the benefit of priority based on Korean Patent Application No. 10-2022-0085290 filed on July 11, 2022, the entire disclosure of which is incorporated herein by reference. Background Art

[0003] A secondary battery is manufactured by sequentially performing an electrode manufacturing process, an electrode assembly process, and a forming process. Here, if the electrode manufacturing process is further subdivided, it can be divided into a slurry preparation process, a process of coating the slurry on a current collector, a rolling process, a slitting process, and a drying process.

[0004] A slurry is a substance in which an active material, a conductive agent, a binder, and a solvent are mixed. The slurry is prepared by dry-mixing the active material and the conductive agent in powder form and then wet-mixing the active material and the conductive agent with a solvent in which the binder is dissolved.

[0005] When preparing the slurry, the raw materials of the slurry are put into a stirring device and stirred.

[0006] Figure 1 is a schematic view showing a conventional slurry stirring device.

[0007] Referring to Figure 1 , a conventional stirring device includes a stirring container 10 and a stirring rod 20 disposed within the stirring container 10.

[0008] In addition, the stirring container 10 is provided with a cooling flow path 11. The cooling flow path 11 is a space provided between the inner surface and the outer surface of the stirring container 10, and cooling water flows through the cooling flow path 11. When the cooling water flows along the cooling flow path 11, it cools the heat generated in the stirring space 12 of the stirring container 10.

[0009] Generally, the stirring rod 20 is disposed in the central portion of the stirring space 12, and the cooling flow path 11 is disposed in the peripheral portion of the stirring space 12.

[0010] During the stirring operation of the slurry, the stirring rod 20 rotates at a high speed for the dispersion of the slurry.

[0011] In this case, when the stirring rod 20 rotates at a high speed, the temperature of the slurry around the stirring rod 20 rapidly increases due to the friction between the stirring rod and the slurry.

[0012] Since the cooling channel 11 is only provided in the peripheral portion of the stirring space 12, when the stirring rod 20 rotates at a high speed, a temperature deviation occurs in the slurry between the central portion and the peripheral portion of the stirring space 12. That is, the temperature of the slurry in the central portion of the stirring space 12 increases, while the temperature of the slurry in the peripheral portion of the stirring space 12 decreases.

[0013] The slurry is a high-viscosity material, and as the temperature of the central portion of the stirring space 12 increases when the stirring rod 20 rotates at a high speed, the slurry may gelate in the central portion of the stirring space 12. In this case, since the slurry in the central portion of the stirring space 12 gels, it does not mix with the slurry in the outer portion of the stirring space 12, and there is a problem of deterioration in the quality of the slurry. Summary of the Invention

[0014] Technical Problem

[0015] The problem to be solved by the present invention is to provide a stirring device with a cooling function that can solve the temperature deviation between the central portion and the peripheral portion of the stirring space.

[0016] In addition, the problem to be solved by the present invention is to provide a stirring device with a cooling function that is arranged such that when the stirring rod rotates, while forming a vortex through the stirring rod and the cooling rod, the object to be stirred is stirred, and the object to be stirred exchanges heat with the cooling water in the entire region of the central portion and the peripheral portion of the stirring space.

[0017] In addition, the problem to be solved by the present invention is to provide a stirring device with a cooling function that can prevent the gelation of the object to be stirred due to the increase in temperature around the stirring rod.

[0018] In addition, the problem to be solved by the present invention is to provide a stirring device with a cooling function that can uniformly maintain the temperature of the object to be stirred in the stirring space through heat exchange between the object to be stirred and the cooling water in the entire region of the stirring space, and improve the mixing efficiency of the object to be stirred.

[0019] Technical Solution

[0020] To solve the above problems, an example of the stirring device according to the present invention includes: a stirring container, the stirring container includes an inner chamber having a stirring space and an outer chamber surrounding the inner chamber, and has a container cooling space provided between the inner chamber and the outer chamber; a stirring unit, the stirring unit includes a stirring rod, the stirring rod is disposed in the stirring space and is configured to stir an object to be stirred accommodated in the stirring space; a plurality of cooling rods, each cooling rod protrudes from the inner chamber of the stirring container into the stirring space, and is connected to the container cooling space to enable fluid to move; and a cooling driving unit, the cooling driving unit supplies cooling water to the container cooling space.

[0021] In addition, the plurality of cooling rods may be separately disposed from each other around the stirring rod, and may be configured such that when stirring, the object to be stirred flows through the outer circumferences of the stirring rod and the cooling rods.

[0022] In addition, each cooling rod may be disposed parallel to the axial direction of the stirring rod within the stirring space.

[0023] In addition, the cooling driving unit may include a first cooling flow path for supplying cooling water to the container cooling space.

[0024] In addition, the first cooling flow path may be configured such that the cooling water supplied to the container cooling space passes through the container cooling space and each cooling rod.

[0025] In addition, the stirring rod may include a main body having a first space extending in the axial direction of the stirring rod, and a rotor coupled to the main body.

[0026] In addition, the cooling driving unit may include a second cooling flow path for supplying the cooling water to the first space.

[0027] In addition, each cooling rod may have a second space connected to the container cooling space to enable fluid to move.

[0028] In addition, the plurality of cooling rods may be radially separated from each other around the stirring rod, and each cooling rod may be disposed parallel to the stirring rod.

[0029] In addition, the cooling driving unit may be configured to supply the cooling water to the container cooling space when the stirring rod rotates.

[0030] In addition, another example of the present invention relates to a stirring device including: a stirring container, the stirring container including an inner chamber having a stirring space and an outer chamber surrounding the inner chamber, and having a container cooling space provided between the inner chamber and the outer chamber; a stirring part, the stirring part including a stirring rod, the stirring rod being disposed in the stirring space and having a first space provided therein, and the stirring rod being configured to stir an object to be stirred accommodated in the stirring space; a plurality of cooling rods, each cooling rod protruding from the inner chamber of the stirring container into the stirring space and connected to the container cooling space to enable fluid movement; and a cooling driving part, the cooling driving part including a first cooling channel and a second cooling channel, the first cooling channel being configured to supply cooling water to the container cooling space, and the second cooling channel supplying cooling water to the first space.

[0031] In addition, the plurality of cooling rods may be radially separated from each other around the stirring rod, and each cooling rod may be disposed parallel to the stirring rod.

[0032] In addition, each cooling rod may have a second space connected to the container cooling space to enable fluid movement.

[0033] In addition, the cooling driving part may be configured to supply the cooling water to the first cooling channel and the second cooling channel simultaneously.

[0034] In addition, the cooling driving part may be configured to supply cooling water to one or more of the first cooling channel and the second cooling channel when the stirring rod rotates.

[0035] Advantageous Effects

[0036] As discussed above, a stirring device according to an example of the present invention has the following effects.

[0037] By providing a plurality of cooling rods around a stirring rod disposed in the central portion of the stirring space and separately supplying cooling water to the cooling rods and the stirring rod, it is possible to solve the temperature deviation between the central portion and the peripheral portion of the stirring space.

[0038] In addition, when the stirring rod rotates, the object to be stirred can be stirred while forming a vortex in the process of passing through the stirring rod and the cooling rods; the object to be stirred can perform heat exchange with the cooling water in the entire area of the central portion and the peripheral portion in the stirring space; and gelation caused by the temperature rise of the slurry around the stirring rod can be prevented.

[0039] In addition, by maintaining the temperature of the object to be stirred during uniform stirring, the mixing efficiency between the raw materials of the object to be stirred can be improved.

[0040] In addition, the cooling rod is arranged parallel to the axial direction of the stirring rod. Therefore, it is possible to easily clean the stirring container after the stirring process of the object to be stirred. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 is a schematic view showing a conventional slurry stirring device.

[0042] Figure 2 is a view schematically showing a stirring device according to an example of the present invention.

[0043] Figure 3 is configured to Figure 2 a schematic perspective view of the stirring container of the stirring device shown in

[0044] Figure 4 is in a state of being taken along Figure 3 a schematic sectional view taken along line x-x of

[0045] Figure 5 is a schematic configuration diagram of a stirring device according to an example of the present invention.

[0046] Figure 6 is a view for explaining Figure 2 an operating state of the stirring device shown in

[0047] Figure 7 is a view schematically showing a stirring device according to another example of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0048] Hereinafter, a stirring device with a cooling function (hereinafter, simply referred to as "stirring device") according to an example of the present invention will be described with reference to the drawings.

[0049] In addition, regardless of the reference numerals, the same or corresponding components are given the same or similar reference numerals, and their repeated descriptions will be omitted. For ease of explanation, the dimensions and shapes of the respective components shown may be exaggerated or reduced.

[0050] Figure 2 is a view schematically showing a stirring device 100 according to an example of the present invention.

[0051] The stirring device 100 according to an example of the present invention includes a stirring container 110. The stirring container 110 includes an inner chamber 113a having a stirring space 112 and an outer chamber 113b surrounding the inner chamber 113a, and has a container cooling space 111 provided between the inner chamber 113a and the outer chamber 113b.

[0052] In addition, the stirring device 100 includes a stirring unit 120, and the stirring unit 120 includes a stirring rod 121. The stirring rod 121 is disposed in the stirring space 112 and is configured to stir the object to be stirred accommodated in the stirring space 112.

[0053] In addition, the stirring device 100 includes a plurality of cooling rods 114 and a cooling driving unit 130. Each cooling rod protrudes from the inner chamber 113a of the stirring container 110 into the stirring space 112 and is connected to the container cooling space 111 to enable fluid movement. The cooling driving unit 130 is connected to the stirring container 110 and is configured to supply cooling water to the container cooling space 111.

[0054] Figure 3 is a schematic perspective view of the stirring container of the stirring device shown in Figure 2 and Figure 4 is a schematic sectional view in a state taken along line x-x of Figure 3 .

[0055] In addition, Figure 5 is a schematic configuration diagram of a stirring device according to an example of the present invention, and Figure 6 is a diagram for explaining Figure 2 an operating state of the stirring device shown in

[0056] Examples of the present invention provide a stirring device 100 configured to keep the temperature of an object to be stirred S (see Figure 6 , the raw material of the slurry) constant during stirring by stirring the object to be stirred S and cooling the heat generated during stirring.

[0057] Referring to Figures 2 to 6 , the stirring device 100 includes a stirring container 110, a plurality of cooling rods 114, a stirring unit 120, and a cooling driving unit 130.

[0058] The stirring container 110 is a container in which the object to be stirred S is stirred. The stirring container 110 is respectively provided with a container cooling space 111 and a stirring space 112.

[0059] The stirring space 112 is disposed in the inner chamber 113a of the stirring container, and the object to be stirred S is accommodated in the stirring space 112. In addition, a plurality of cooling rods 114 and a stirring rod 121 are disposed in the stirring space 112. Additionally, in Figure 2 , C1 represents the axial direction of the stirring rod 121, and C2 represents the axial direction of the cooling rod 114. In addition, the stirring rod 121 can be configured to rotate based on the axial direction. At this time, each cooling rod 114 can be arranged in parallel with the axial direction of the stirring rod 121 within the stirring space 112. That is, the axial direction C2 of the cooling rod 114 and the axial direction C1 of the stirring rod are arranged in parallel.

[0060] In addition, the container cooling space 111 is a space provided between the inner chamber 113a and the outer chamber 113b of the stirring container. The container cooling space 111 is a space through which cooling water flows. The container cooling space 111 is provided to surround the inner chamber 113a of the stirring container in the circumferential direction of the stirring container 110.

[0061] Each cooling rod 114 has a second space 115 with a hollow interior, where the second space 115 can be formed to extend in the axial direction (C2, longitudinal direction) of the cooling rod 114. In addition, the second space 115 is connected to the container cooling space 111 to enable fluid movement. Further, the second space 115 is a cooling flow path branched from the container cooling space 111, and the cooling water flowing in the container cooling space 111 flows through the second space 115.

[0062] In addition, the cooling driving unit 130 may include a first cooling flow path F1 for supplying cooling water to the container cooling space 111. At this time, the first cooling flow path F1 may be provided such that the cooling water supplied to the container cooling space 111 passes through the container cooling space 111 and each cooling rod 114.

[0063] In addition, the cooling driving unit 130 may include one or more pumps for circulating the cooling water in each cooling flow path, and a cooling device (such as a cooler) for cooling the heat-exchanged cooling water.

[0064] In addition, the cooling driving unit 130 may be provided to supply cooling water to the container cooling space 111 when the stirring rod 121 rotates.

[0065] In addition, the plurality of cooling rods 114 are arranged in parallel with the stirring rod 121 and extend in parallel with the axial direction of the stirring rod 121 within the inner chamber 113a of the stirring container 110. For example, the cooling rods 114 may be provided to protrude from the bottom surface of the inner chamber 113a of the stirring container 110 in a direction parallel to the axial direction of the stirring rod 121, and may be provided in the lower region of the stirring space 112.

[0066] Refer to Figure 3 and Figure 4 , the plurality of cooling rods 114 are each arranged in parallel with the stirring rod 121 and are radially separated from each other around the stirring rod 121. The plurality of cooling rods 114 are separated from each other around the stirring rod 121, and the cooling water flowing in the container cooling space 111 can flow into each cooling rod 114. In this structure, during stirring, the object to be stirred can flow via the outer circumferences of the stirring rod 121 and the cooling rods 114.

[0067] In addition, a plurality of cooling rods 114 guide the flow of cooling water supplied along the container cooling space 111, such that the cooling water flows toward the area around the stirring rod 121 in the stirring space 112.

[0068] In addition, the stirring unit 120 may include at least one stirring rod 121 and a stirring motor 122 for rotating the stirring rod 121. The stirring motor 122 is coupled to the stirring rod 121 to provide a rotational force to the stirring rod 121.

[0069] The stirring rod 121 is disposed in the stirring space 112. The stirring unit 120 is arranged to stir the object S to be stirred accommodated in the stirring space 112.

[0070] In addition, the stirring rod 121 may include a main body 121a provided with a first space 121b extending along the axial direction C1 of the stirring rod 121, and a rotor 121c coupled to the main body 121a.

[0071] In addition, the cooling driving unit 130 may include a second cooling flow path F2 for supplying cooling water to the first space 121b.

[0072] The stirring rod 121 may be connected to the cooling driving unit 130 to enable the movement of fluid and connected such that the cooling water circulates, and the stirring rod 121 may be arranged such that the cooling water circulates through the second cooling flow path F2 in the cooling driving unit 130 and the first space 121b.

[0073] In addition, the main body 121a of the stirring rod 121 has a hollow cylindrical structure. The first space 121b is a space provided in the main body 121a in the axial direction (C1, also referred to as the length direction) of the main body 121a. Cooling water may flow through the first space 121b.

[0074] In addition, the stirring motor 122 that provides a rotational force to the main body 121a may be disposed at the upper end of the main body 121a, and the main body 121a may be connected to the cooling driving unit 130 that supplies cooling water to the first space 121b and recovers the cooling water from the first space 121b.

[0075] In addition, the rotor 121c may be disposed at the lower end of the main body 121a. When the stirring motor 122 operates, the rotor 121c stirs the object S to be stirred accommodated in the stirring space 112 while rotating together with the main body 121a.

[0076] The cooling driving unit 130 includes a first cooling flow path F1, and the first cooling flow path F1 is arranged to supply cooling water to the container cooling space 111 and recover the supplied cooling water.

[0077] The first cooling flow path F1 is arranged such that the cooling water supplied to the container cooling space 111 exchanges heat with the object to be stirred in the stirring space 112 while passing through the container cooling space 111 and each cooling rod 114, and the heat-exchanged cooling water is recovered.

[0078] Refer to Figure 2 and Figure 5 As an example, the cooling driving unit 130 may be connected to the stirring container 110 through the first pipe 131 and the second pipe 132.

[0079] The first pipe 131 is a pipe connecting the cooling driving unit 130 and the stirring container 110, through which the cooling water flows from the cooling driving unit 130 to the stirring container 110. In addition, the second pipe 132 is a pipe connecting the cooling driving unit 130 and the stirring container 110, through which the heat-exchanged cooling water flows from the stirring container 110 to the cooling driving unit 130.

[0080] In addition, the cooling driving unit 130 includes a second cooling flow path F2, which is arranged such that the cooling water supplied to the first space 121b in the stirring rod 121 is recovered into the cooling driving unit 130.

[0081] The second cooling flow path F2 may be arranged such that the cooling water supplied to the first space 121b flows through the first space 121b in the axial direction of the stirring rod 121, and the cooling water that exchanges heat with the object to be stirred around the stirring rod 121 while flowing through the first space 121b can be recovered into the cooling driving unit 130 through the second cooling flow path F2.

[0082] In addition, the cooling driving unit 130 may be connected to the stirring rod 121 through the third pipe 133 and the fourth pipe 134. The third pipe 133 is a pipe connecting the cooling driving unit 130 and the stirring rod 121, through which the cooling water flows from the cooling driving unit 130 to the stirring rod 121. In addition, the fourth pipe 134 is a pipe connecting the cooling driving unit 130 and the stirring rod 121, through which the heat-exchanged cooling water flows from the stirring rod 121 to the cooling driving unit 130.

[0083] In addition, the cooling driving unit 130 operates to supply the cooling water to the first pipe 131 and the third pipe 133, and recover the heat-exchanged cooling water through the second pipe 132 and the fourth pipe 134.

[0084] The stirring device 100 may include a control unit 160 for controlling the stirring unit 120 and the cooling driving unit 130. The control unit 160 is arranged to operate the stirring unit 120 and the cooling driving unit 130 respectively during stirring.

[0085] Refer to Figure 5 andFigure 6 While the cooling water supplied from the cooling driving unit 130 flows along the first cooling flow path F1 and the second cooling flow path F2, it exchanges heat with the object S to be stirred in the stirring space 112.

[0086] Specifically, the cooling water supplied from the cooling driving unit 130 flows into the container cooling space 111 through the first pipe 131. While the cooling water flows along the first cooling flow path F1 through the container cooling space 111 and the second space 115 of the cooling rod 114, it exchanges heat with the object S to be stirred in the stirring space 112. After that, the heat-exchanged cooling water is recovered from the container cooling space 111 to the second pipe 132. The heat-exchanged cooling water can be cooled again in the cooling driving unit 130 and thus supplied to the container cooling space 111 through the first pipe 131.

[0087] In addition, the cooling water supplied from the cooling driving unit 130 flows into the first space 121b through the third pipe 133. In this case, while the cooling water flows along the second cooling flow path F2 through the first space 121b, it exchanges heat with the object S to be stirred in the stirring space 112. When the stirring rod 121 rotates, while the cooling water flows along the second cooling flow path F2 and the axial direction C1 of the main body 121a through the first space 121b, it exchanges heat with the object S to be stirred around the main body 121a. Then, the heat-exchanged cooling water is discharged from the stirring rod 121 and recovered to the cooling driving unit 130 through the fourth pipe 134.

[0088] In addition, the cooling water flowing along the container cooling space 111 exchanges heat with the object S to be stirred on the periphery of the stirring space 112. Then, the cooling water flowing through the second space 115 and the first space 121b exchanges heat with the object S to be stirred in the stirring space 112.

[0089] In addition, another example of the present invention relates to a stirring device 100 including: a stirring container 110 including an inner chamber 113a having a stirring space and an outer chamber 113b surrounding the inner chamber 113a, and having a container cooling space 111 provided between the inner chamber 113a and the outer chamber 113b; a stirring unit 120 including a stirring rod 121 provided in the stirring space 112 and having a first space 121b therein; a plurality of cooling rods 114 each protruding from the inner chamber 113a of the stirring container 110 into the stirring space; and a cooling driving unit 130 including a first cooling flow path F1 and a second cooling flow path F2, the first cooling flow path F1 being arranged to be connected to the stirring container 110 to enable fluid movement, thereby supplying cooling water to the container cooling space 111, and the second cooling flow path F2 being for supplying cooling water to the first space.

[0090] In addition, the stirring device 100 may include a control unit 160 that controls the stirring unit 120 and the cooling driving unit 130. The control unit 160 is configured to operate the stirring unit 120 and the cooling driving unit 130 respectively during stirring.

[0091] In this example, the cooling driving unit 130 may be configured to supply cooling water to both the first cooling flow path F1 and the second cooling flow path F2 simultaneously. In addition, the cooling driving unit 130 may be configured to supply cooling water to one or more of the first cooling flow path F1 and the second cooling flow path F2 when the stirring rod 121 rotates. The operation of the cooling driving unit 130 may be controlled by the control unit 160.

[0092] Figure 7 FIG. is a diagram schematically showing a stirring device 100a according to another example of the present invention.

[0093] Referring to Figure 7 , the stirring device 100a includes a stirring container 110, a plurality of stirring units 120, a plurality of cooling rods 114, and a cooling driving unit 130.

[0094] In this example, the stirring container 110, the plurality of cooling rods 114, and the cooling driving unit 130 are the same as the corresponding structures of the example described by Figures 2 to 6 , and thus their descriptions will be omitted.

[0095] In this example, when a plurality of stirring units 120 are provided, a plurality of stirring rods 121 are provided in the stirring space 112 of the stirring container 110. The plurality of stirring rods 121 are arranged separately side by side. In this example, a second cooling flow path F2 may be provided for each stirring rod 121 of each stirring unit 120.

[0096] In addition, the plurality of cooling rods 114 may be arranged separately from each other between the stirring rods 121.

[0097] For illustrative purposes, preferred examples of the present invention have been disclosed as above, and those skilled in the art with ordinary knowledge of the present invention will be able to make various modifications, changes, and additions within the spirit and scope of the present invention, and such modifications, changes, and additions should be considered to fall within the scope of the appended claims.

[0098] Industrial Applicability

[0099] The stirring device according to an example of the present invention can solve the temperature deviation between the central portion and the peripheral portion of the stirring space.

Claims

1. A stirring device, comprising: A stirring container, the stirring container includes an inner chamber having a stirring space and an outer chamber surrounding the inner chamber, and has a container cooling space provided between the inner chamber and the outer chamber; A stirring part, the stirring part includes a stirring rod, the stirring rod is arranged in the stirring space and is arranged to stir the stirring object contained in the stirring space; A plurality of cooling rods, each cooling rod protrudes from the inner chamber of the stirring container into the stirring space, and is connected to the container cooling space to enable fluid to move; And A cooling driving part, the cooling driving part supplies cooling water to the container cooling space.

2. The stirring device according to claim 1, wherein The plurality of cooling rods are separately arranged around the stirring rod, and are arranged such that when stirring, the stirring object flows through the outer circumferences of the stirring rod and the cooling rods.

3. The stirring device according to claim 1, wherein Each cooling rod is arranged parallel to the axial direction of the stirring rod within the stirring space.

4. The stirring device according to claim 1, wherein The cooling driving part includes a first cooling flow path for supplying cooling water to the container cooling space.

5. The stirring device according to claim 4, wherein The first cooling flow path is arranged such that the cooling water supplied to the container cooling space passes through the container cooling space and each cooling rod.

6. The stirring device according to claim 1, wherein The stirring rod includes a main body provided with a first space extending in the axial direction of the stirring rod, and a rotor connected to the main body.

7. The stirring device according to claim 1, wherein The cooling driving part includes a second cooling flow path for supplying the cooling water to the first space.

8. The stirring device according to claim 1, wherein Each cooling rod has a second space, and the second space is connected to the container cooling space to enable fluid to move.

9. The stirring device according to claim 8, wherein The plurality of cooling rods are radially separated from each other around the stirring rod, and each cooling rod is arranged parallel to the stirring rod.

10. The stirring device according to claim 1, wherein The cooling driving part is arranged to supply the cooling water to the container cooling space when the stirring rod rotates.

11. A stirring device, comprising: A stirring container, the stirring container includes an inner chamber having a stirring space and an outer chamber surrounding the inner chamber, and has a container cooling space provided between the inner chamber and the outer chamber; A stirring part, the stirring part includes a stirring rod, a first space is provided in the stirring rod, and the stirring rod is arranged to stir the stirring object contained in the stirring space; A plurality of cooling rods, each cooling rod protrudes from the inner chamber of the stirring container into the stirring space, and is connected to the container cooling space to enable fluid to move; And A cooling drive unit, the cooling drive unit including a first cooling flow path and a second cooling flow path, the first cooling flow path being configured to supply cooling water to the container cooling space, and the second cooling flow path supplying cooling water to the first space.

12. The stirring device according to claim 11, wherein the plurality of cooling rods are arranged radially separated from each other around the stirring rod, and each cooling rod is arranged parallel to the stirring rod.

13. The stirring device according to claim 11, wherein each cooling rod has a second space, the second space being connected to the container cooling space to enable fluid movement.

14. The stirring device according to claim 11, wherein the cooling drive unit is configured to supply the cooling water to the first cooling flow path and the second cooling flow path simultaneously.

15. The stirring device according to claim 11, wherein the cooling drive unit is configured to supply cooling water to one or more of the first cooling flow path and the second cooling flow path when the stirring rod rotates.

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