Internal stirring device of reaction kettle

Abstract

The utility model discloses an internal stirring device of a reaction kettle, which comprises a kettle body, a stirring device is arranged in the kettle body, the stirring device comprises a mounting disc and is arranged in the kettle body, two sides of the top of the mounting disc are communicated with cooling pipes, the cooling pipes extend to the outside of the kettle body, and the cooling pipes are communicated with the mounting disc. The internal stirring device of the reaction kettle further comprises a transmission assembly, a material suction assembly and a material scraping assembly. The utility model relates to the technical field of internal stirring of reaction kettles, through the matching of the mounting disc, the cooling pipe and the auger blade, circulating cooling liquid is injected into the mounting disc by utilizing the cooling pipe, and in the material stirring process, the auger blade is matched with the material suction pipe to suck materials in the kettle body into the mounting disc; the problems that when an existing reaction kettle is used, condensate water flows through an interlayer of the inner wall of the reaction kettle in a water cooling mode to cool materials, only the materials located on the inner wall of the reaction kettle can be cooled, and the cooling effect is poor are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reaction kettle internal material stirring, specifically to a kind of internal stirring device of reaction kettle. BACKGROUND

[0002] Reaction kettle is a kind of reaction container to realize the physical or chemical reaction of material, and it is used in the process of cooperating stirrer to stir internal material to accelerate reaction.

[0003] The existing reaction kettle internal stirring device usually needs to cooperate with the water cooling system inside the reaction kettle to cool the material by condensate flowing through the interlayer of the inner wall of the reaction kettle when in use, to ensure that the chemical substances inside the reaction kettle react at a suitable temperature.

[0004] The existing reaction kettle internal stirring device has single function, and can only physically cool the reactants close to the inner wall of the reaction kettle when used in cooperation with the cooling system inside the reaction kettle, so the cooling effect is very limited, therefore the utility model provides a kind of reaction kettle internal stirring device with auxiliary material cooling and temperature reduction. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of reaction kettle internal stirring device with auxiliary material cooling and temperature reduction function, solves the problem that the material located in the inner wall of the reaction kettle can only be cooled by condensate flowing through the interlayer of the inner wall of the reaction kettle in the form of water cooling when the reaction kettle is used, and the cooling effect is poor.

[0006] To achieve the above-mentioned purpose, the utility model is realized by the following technical scheme: a kind of reaction kettle internal stirring device, including kettle body, the outer wall of the kettle body is communicated with feed inlet, the bottom of the kettle body is communicated with discharge port, the outer wall of the kettle body is fixedly connected with support frame, the top of the kettle body is provided with observation port, the inside of the kettle body is provided with stirring assembly, the stirring assembly further includes mounting disc, which is arranged in the inside of kettle body;Transmission assembly is arranged above the mounting disc;Suction assembly is arranged below the mounting disc;Scraping assembly is arranged on the inner wall of the kettle body;Cooling pipe is fixedly connected to the top of the outer wall of the kettle body and extends to the inside of the mounting disc;Wherein, the transmission assembly provides power distribution for stirring assembly, the suction assembly sucks the material in the kettle body from the bottom of the kettle body upwards for stirring, the scraping assembly realizes the cleaning of the inner wall of the kettle body, the mounting disc is filled with cooling liquid, and the cooling pipe is filled with cooling liquid in the mounting disc.

[0007] Preferably, the transmission assembly comprises a first motor fixedly connected to the top of the outer wall of the kettle body; a first transmission rod fixedly connected to the output end of the first motor and extending to the inside of the mounting disc, and the outer wall thereof being rotatably connected to the inner wall of the kettle body through a sealing bearing; a support disc fixedly connected to the lower inner wall of the kettle body; a fixed rod arranged below the mounting disc and fixedly connected to the inner wall of the support disc and extending upward to the inside of the mounting disc, the outer wall of the fixed rod being rotatably connected to the outer wall of the mounting disc through a sealing bearing; a driving gear fixedly connected to the outer wall of the fixed rod; four driven gears arranged in the inside of the mounting disc and being annularly and equidistantly meshed with the outer wall of the driving gear; wherein the first motor is the power source of the whole stirring device, the first transmission rod transmits power to the mounting disc, and the mounting disc drives the four driven gears to rotate around the driving gear, and the driving gear drives the driven gears to rotate.

[0008] Preferably, the material suction assembly comprises a second transmission rod fixedly connected to the inner wall of the driven gear and rotatably connected to the inner wall of the mounting disc through a sealing bearing and extending to the bottom of the kettle body; an auger blade fixedly connected to the outer wall of the second transmission rod; and a suction pipe communicated with the bottom of the mounting disc and having an inner wall abutting against the outer wall of the auger blade, wherein the second transmission rod drives the auger blade to rotate, and the suction pipe cooperates with the auger blade to suck the chemical materials into the inside of the mounting disc.

[0009] Preferably, the inner wall of the mounting disc is fixedly connected with a fixed plate, the top of the fixed plate is fixedly connected to the bottom of the first transmission rod, the outer wall of the fixed plate is rotatably connected to the outer wall of the second transmission rod through a sealing bearing at the lower portion thereof, the outer wall of the fixed plate is fixedly connected with a gear cover at the bottom thereof, the outer wall of the gear cover is rotatably connected to the outer walls of the second transmission rod and the fixed rod through a sealing bearing at the lower portion thereof, and a heat-conducting plate is arranged below the gear cover, and the outer wall of the heat-conducting plate is rotatably connected to the outer walls of the second transmission rod and the fixed rod through a sealing bearing at the lower portion thereof.

[0010] Preferably, the material scraping assembly comprises a mounting frame fixedly connected to the bottom of the mounting disc; a fixed ring fixedly connected to the bottom of the mounting frame; and a rubber scraper fixedly connected to the outer wall of the mounting frame and abutting against the inner wall of the kettle body, wherein the mounting disc drives the mounting frame and the fixed ring to rotate, and drives the rubber scraper to rotate to scrape the inner wall of the kettle body.

[0011] Preferably, the top of the mounting disc is rotatably connected with a rotating disc through a sealing bearing, the bottom of the cooling pipe is rotatably connected to the rotating disc through a sealing bearing, the outer wall of the rotating disc is rotatably connected to the outer wall of the first transmission rod through a sealing bearing at the lower portion thereof, and the bottom of the mounting disc is provided with a plurality of discharge ports.

[0012] Beneficial effects

[0013] The utility model provides a kind of internal stirring device of reaction kettle. It has the following beneficial effects: the internal stirring device of reaction kettle is cooperated by mounting disc, cooling pipe and auger blade, utilizes cooling pipe to inject circulating coolant in the inside of mounting disc, in the process of material stirring, by auger blade cooperation suction pipe, the material in kettle body is sucked into mounting disc, and contact low-temperature heat conduction plate to realize the reduction of temperature, solve the problem that existing reaction kettle is usually cooled by water when using, utilizes condensate to flow through the interlayer of reaction kettle inner wall to cool material, only can cool the material located in the inner wall of reaction kettle, and the problem of poor cooling effect.

[0014] By the cooperation of auger blade, suction pipe and first motor, utilize first motor to drive mounting disc rotation and drive suction pipe to carry out primary stirring to material, and carry out secondary stirring by auger blade, so that the stirring efficiency of reaction kettle is greatly improved, improve production efficiency, and cooperate with material scraping assembly to prevent material adhesion reaction kettle inner wall. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is structure schematic view of the utility model;

[0016] Figure 2 It is appearance schematic view of the utility model;

[0017] Figure 3 It is Figure 1 Structure schematic view of auger blade, mounting disc and mounting frame;

[0018] Figure 4 It is Figure 1 Structure schematic view of main drive gear, driven gear and auger blade in;

[0019] Figure 5 It is Figure 1 Structure schematic view of mounting disc, reaction kettle and auger blade in;

[0020] Figure 6 It is Figure 1 Structure schematic view of mounting disc, cooling pipe and auger blade in;

[0021] Figure 7 It is Figure 1 Structure schematic view of fixed plate and gear cover in.

[0022] In the figure: 1, kettle body; 11, feed inlet; 12, discharge port; 13, observation window; 14, support frame; 2, stirring assembly; 21, transmission assembly; 211, first motor; 212, driving gear; 213, driven gear; 214, first transmission rod; 215, fixed rod; 216, support disc; 22, suction assembly; 221, suction pipe; 222, second transmission rod; 223, auger blade; 23, scraping assembly; 231, mounting frame; 232, fixed ring; 233, rubber scraper; 24, mounting disc; 241, rotating disc; 242, discharge port; 243, fixed plate; 244, gear cover; 245, heat-conducting plate; 25, cooling pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] The existing reaction kettle internal stirring device has single function. When the reaction kettle is used, the condensate water is usually used to flow through the interlayer of the inner wall of the reaction kettle to cool the material in a water cooling mode. Only the material located on the inner wall of the reaction kettle can be cooled, and the cooling effect is poor.

[0025] Therefore, the embodiment provides a novel reaction kettle internal stirring device. The inside of the mounting disc 24 is injected with circulating cooling liquid by the cooperation of the mounting disc, the cooling pipe and the auger blade. In the process of material stirring, the material in the kettle body is sucked into the mounting disc by the auger blade cooperating with the suction pipe, and contacts the low-temperature heat-conducting plate to reduce the temperature. The problem that only the material located on the inner wall of the reaction kettle can be cooled in the existing reaction kettle is solved, and the cooling effect is poor.

[0026] Those skilled in the art will connect the parts in the case in sequence, and the specific connection and operation sequence should refer to the following working principle. The detailed connection means is a known technology in the art, and the following mainly introduces the working principle and process.

[0027] Embodiment one: by Figures 1-7It can be known that the internal stirring device of a reaction kettle comprises a kettle body 1, the outer wall of the kettle body 1 is communicated with a feeding port 11, the bottom of the kettle body 1 is communicated with a discharging port 12, the outer wall of the kettle body 1 is fixedly connected with a support frame 14, the top of the kettle body 1 is provided with an observation window 13, the inside of the kettle body 1 is provided with a stirring assembly 2, the stirring assembly 2 comprises a mounting disc 24, a transmission assembly 21, a material suction assembly 22, a material scraping assembly 23 and a cooling pipe 25, the mounting disc 24 is arranged in the inside of the kettle body 1, the transmission assembly 21 is arranged above the mounting disc 24, the material suction assembly 22 is arranged below the mounting disc 24, the material scraping assembly 23 is arranged on the inner wall of the kettle body 1, and the cooling pipe 25 is fixedly connected to the top of the outer wall of the kettle body 1 and extends into the inside of the mounting disc 24, wherein the transmission assembly 21 provides power distribution for the stirring assembly 2, the material suction assembly 22 sucks the materials in the kettle body 1 from the bottom of the kettle body 1 upwards for stirring, the material scraping assembly 23 realizes the cleaning of the inner wall of the kettle body 1, and the cooling pipe 25 injects cooling liquid into the mounting disc 24.

[0028] In the specific implementation process, it is worth pointing out that the internal structure of the mounting disc 24 and the cooperation relationship with each assembly are as follows Figure 6 The mounting disc 24 is the main structure of the stirring mechanism, is internally hollow, is provided with two layers of partitions in the upper and lower portions, cooling liquid is injected from one cooling pipe 25 and fills the upper cavity, and then is discharged from another cooling pipe 25, a water pump or other structures should be arranged outside to realize the circulation of the cooling liquid, and the lower cavity of the mounting disc 24 contains materials to be entered and discharged after cooling.

[0029] Further, the transmission assembly 21 comprises a first motor 211, a first transmission rod 214, a support disc 216, a fixed rod 215, a driven gear 213 and a driving gear 212, the first motor 211 is fixedly connected to the top of the outer wall of the kettle body 1, the first transmission rod 214 is fixedly connected to the output end of the first motor 211 and extends into the inside of the mounting disc 24 and is rotatably connected to the inner wall of the kettle body 1 through a sealing bearing, the support disc 216 is fixedly connected to the inner wall below the kettle body 1, the fixed rod 215 is arranged below the mounting disc 24, is fixedly connected to the inner wall of the support disc 216 and extends upwards into the inside of the mounting disc 24, the outer wall of the fixed rod 215 is rotatably connected to the outer wall of the mounting disc 24 through a sealing bearing, the driving gear 212 is fixedly connected to the outer wall of the fixed rod 215, and the driven gear 213 is arranged in four and is annularly and equidistantly meshed to the outer wall of the driving gear 212 and is arranged in the inside of the mounting disc 24, wherein the first motor 211 is the power source of the whole stirring assembly 2, the first transmission rod 214 transmits power to the mounting disc 24, the mounting disc 24 drives the four driven gears 213 to rotate around the driving gear 212, and the driving gear 212 drives the driven gear 213 to rotate.

[0030] In the implementation process, it is worth pointing out that the model and type of the first motor 211 are not limited, and the actual use requirements can be met. The outer wall of the first transmission rod 214 is fixedly connected with the mounting disc 24, so that when the first transmission rod 214 is driven to rotate by the first motor 211, the mounting disc 24 also rotates with the first transmission rod 214. The four driven gears 213 are driven to rotate by the mounting disc 24. The driving gear 212 is fixedly connected to the inner wall of the kettle body 1 through the fixed rod 215, so that the driven gear 213 rotates at the same time due to the meshing connection relationship with the driving gear 212, and drives the lower material suction assembly 22. The gear set is located in the upper space inside the mounting disc 24 and is isolated from the cooling liquid to prevent affecting the rotation of the gear;

[0031] Further, the material suction assembly 22 includes a second transmission rod 222, an auger blade 223, and a suction pipe 221. The second transmission rod 222 is fixedly connected to the inner wall of the driven gear 213 and rotatably connected to the inner wall of the mounting disc 24 through a sealing bearing, and extends to the bottom of the kettle body 1. The auger blade 223 is fixedly connected to the outer wall of the second transmission rod 222. The suction pipe 221 is connected to the bottom of the mounting disc 24, and the inner wall is attached to the outer wall of the auger blade 223. The second transmission rod 222 drives the auger blade 223 to rotate, and cooperates with the suction pipe 221 to suck the chemical material into the inside of the mounting disc 24;

[0032] In the implementation process, it is worth pointing out that the power source of the material suction assembly 22 is the driven gear 213, which drives the auger blade 223 to cooperate with the suction pipe 221 to suck the material into the inside of the mounting disc 24 for cooling. The suction pipe 221 is fixedly connected to the bottom of the mounting disc 24, so that when the mounting disc 24 rotates, the suction pipe 221 rotates. The four suction pipes 221 rotate to realize primary stirring, and the auger blade 223 sucks the material to complete secondary stirring.

[0033] Specifically, when using the internal stirring device of the reaction kettle, first, the mounting disc 24 is driven to rotate by the first motor 211, and the suction pipe 221 is driven to rotate by the mounting disc 24 to realize primary stirring. Then the driving gear 212 drives the driven gear 213 and drives the auger blade 223 to suck the material into the mounting disc 24, and the cooling liquid in the upper layer of the mounting disc 24 is used to cool the material. While the auger blade 223 sucks the material, it also completes secondary stirring of the material.

[0034] Example two: by Figures 1-7It can be known that the inner wall of the mounting disc 24 is fixedly connected with a fixed plate 243, the top of the fixed plate 243 is fixedly connected with the bottom of the first transmission rod 214, the outer wall of the fixed plate 243 is rotatably connected with the outer wall of the second transmission rod 222 through a sealing bearing below, the outer wall of the fixed plate 243 is fixedly connected with a gear cover 244 at the bottom, the outer wall of the gear cover 244 is rotatably connected with the outer wall of the second transmission rod 222 and the fixed rod 215 through a sealing bearing below, a heat-conducting plate 245 is arranged below the gear cover 244, and the outer wall of the heat-conducting plate 245 is rotatably connected with the outer wall of the second transmission rod 222 and the fixed rod 215 through a sealing bearing below;

[0035] In the specific implementation process, it is worth pointing out that the fixed plate 243 is used to fix the mounting disc 24 and the first transmission rod 214, so as to ensure that the first transmission rod 214 drives the mounting disc 24 to rotate when the first transmission rod 214 rotates, the shape of the fixed plate 243 is as shown in Figure 7 The inside of the mounting disc 24 is filled with cooling liquid through the cooling pipe 25, the cooling liquid can flow into and fill the mounting disc 24 through the fixed plate 243, the gear cover 244 separates the cooling liquid and the gear set, and the heat-conducting plate 245 divides the mounting disc 24 into two layers, the upper layer is filled with cooling liquid, and the lower layer is filled with chemical materials through the material suction assembly 22;

[0036] Further, the material scraping assembly 23 comprises a mounting frame 231, a fixed ring 232 and a rubber scraping plate 233, the mounting frame 231 is fixedly connected with the bottom of the mounting disc 24, the fixed ring 232 is fixedly connected with the bottom of the mounting frame 231, and the rubber scraping plate 233 is fixedly connected with the outer wall of the mounting frame 231 and is attached to the inner wall of the kettle body 1; wherein the mounting disc 24 drives the mounting frame 231 and the fixed ring 232 to rotate, and drives the rubber scraping plate 233 to rotate to scrape the inner wall of the kettle body 1;

[0037] In the specific implementation process, it is worth pointing out that the mounting frame is fixedly connected with the bottom of the mounting disc 24, the bottom of the mounting frame is fixedly connected with the fixed ring 232 to assist in supporting the mounting frame 231, the rubber scraping plate 233 is fixedly connected with the mounting frame 231 and is attached to the inner wall of the kettle body 1, and the rubber scraping plate 233 is scraped against the inner wall of the kettle body 1 when the mounting disc 24 rotates;

[0038] Further, the top of the mounting disc 24 is rotatably connected with a rotating disc 241 through a sealing bearing, the bottom of the cooling pipe 25 is rotatably connected with the rotating disc 241 through a sealing bearing, the outer wall of the rotating disc 241 is rotatably connected with the outer wall of the first transmission rod 214 through a sealing bearing below, and the bottom of the mounting disc 24 is provided with a plurality of material discharge openings 242;

[0039] In the implementation process, it is worth pointing out that the rotating disc 241 rotates relative to the mounting disc 24 during the operation of the device, ensuring the installation of the cooling pipe 25, and the discharge port 242 allows the material brought into the mounting disc 24 by the auger blade 223 to be discharged after cooling, and in actual application, the inner wall bottom of the mounting disc 24 can be tapered, which is beneficial to the discharge of the material from the discharge port 242 and reduces the residue of the material;

[0040] Specifically, on the basis of the above embodiment one, when the device is in stirring operation, the first motor 211 drives the mounting disc 24 and the suction pipe 221 to rotate and stir, the driving gear 212 drives the driven gear 213 and the auger blade 223 to suck the material into the mounting disc 24 for cooling and discharging, and the mounting frame 231 drives the rubber ring 234 to scrape the inner wall of the kettle body 1.

[0041] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations. The statement "including a limited element" does not exclude the existence of another identical element in the process, method, article or device including the element.

[0042] In the present application, unless otherwise specified and limited, the terms "mounting", "setting", "connecting", "fixing", "rotating" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specified, those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific situation.

[0043] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An internal stirring device for a reaction vessel, comprising a vessel body (1), characterized in that: The outer wall of the vessel body (1) is connected to a feed inlet (11), the bottom of the vessel body (1) is connected to a discharge outlet (12), a support frame (14) is fixedly connected to the outer wall of the vessel body (1), an observation window (13) is provided on the top of the vessel body (1), and a stirring assembly (2) is provided inside the vessel body (1). The stirring assembly (2) includes: The mounting plate (24) is located inside the vessel body (1); A transmission assembly (21) is disposed above the mounting plate (24); The material suction assembly (22) is disposed below the mounting plate (24); A scraping assembly (23) is disposed on the inner wall of the vessel body (1); Cooling pipe (25) is fixedly connected to the top of the outer wall of the vessel body (1) and extends into the interior of the mounting plate (24); The transmission component (21) provides power distribution to the stirring component (2), the suction component (22) sucks the material inside the vessel (1) from the bottom of the vessel (1) upward for stirring, the scraping component (23) cleans the inner wall of the vessel (1), and the cooling pipe (25) injects coolant into the mounting plate (24).

2. The internal stirring device for a reaction vessel according to claim 1, characterized in that: The transmission assembly (21) includes: The first electric motor (211) is fixedly connected to the top of the outer wall of the vessel body (1); The first transmission rod (214) is fixedly connected to the output end of the first motor (211) and extends into the interior of the mounting plate (24), and its outer wall is rotatably connected to the inner wall of the vessel body (1) through a sealed bearing; A support plate (216) is fixedly connected to the lower inner wall of the vessel body (1); A fixing rod (215) is disposed below the mounting plate (24) and fixedly connected to the inner wall of the support plate (216), and extends upward into the interior of the mounting plate (24). The outer wall of the fixing rod (215) is rotatably connected to the outer wall of the mounting plate (24) through a sealed bearing. The drive gear (212) is fixedly connected to the outer wall of the fixed rod (215); There are four driven gears (213), which are connected to the outer wall of the driving gear (212) in an annular and equidistant meshing manner, and are disposed inside the mounting plate (24); The first motor (211) is the power source for the entire stirring assembly (2). The first transmission rod (214) transmits power to the mounting plate (24), and the mounting plate (24) drives the four driven gears (213) to rotate around the driving gear (212). The driving gear (212) then drives the driven gears (213) to rotate.

3. The internal stirring device for a reaction vessel according to claim 2, characterized in that: The suction assembly (22) includes: The second transmission rod (222) is fixedly connected to the inner wall of the driven gear (213), and is rotatably connected to the inner wall of the mounting plate (24) through a sealed bearing, and extends to the bottom of the vessel body (1); Screw blades (223) are fixedly connected to the outer wall of the second transmission rod (222); The suction pipe (221) is connected to the bottom of the mounting plate (24), and its inner wall is attached to the outer wall of the auger blade (223); The second transmission rod (222) drives the auger blades (223) to rotate, and works with the suction pipe (221) to suck the chemical material into the mounting plate (24).

4. The internal stirring device for a reaction vessel according to claim 3, characterized in that: A fixing plate (243) is fixedly connected to the inner wall of the mounting plate (24). The top of the fixing plate (243) is fixedly connected to the bottom of the first transmission rod (214). The lower part of the outer wall of the fixing plate (243) is rotatably connected to the outer wall of the second transmission rod (222) through a sealed bearing. A gear cover (244) is fixedly connected to the bottom of the outer wall of the fixing plate (243). The lower part of the outer wall of the gear cover (244) is rotatably connected to the outer wall of the second transmission rod (222) and the fixing rod (215) through a sealed bearing. A heat-conducting plate (245) is provided below the gear cover (244). The lower part of the outer wall of the heat-conducting plate (245) is rotatably connected to the outer wall of the second transmission rod (222) and the fixing rod (215) through a sealed bearing.

5. The internal stirring device for a reaction vessel according to claim 1, characterized in that: The scraper assembly (23) includes: Mounting bracket (231) is fixedly connected to the bottom of the mounting plate (24); A retaining ring (232) is fixedly connected to the bottom of the mounting bracket (231); A rubber scraper (233) is fixedly connected to the outer wall of the mounting bracket (231) and fits against the inner wall of the vessel body (1); The mounting plate (24) drives the mounting bracket (231) and the fixing ring (232) to rotate, and drives the rubber scraper (233) to rotate to scrape the material from the inner wall of the vessel body (1).

6. The internal stirring device for a reaction vessel according to claim 1, characterized in that: The top of the mounting plate (24) is rotatably connected to the rotating plate (241) via a sealed bearing. The bottom of the cooling pipe (25) is rotatably connected to the rotating plate (241) via a sealed bearing. The lower part of the outer wall of the rotating plate (241) is rotatably connected to the outer wall of the first transmission rod (214) via a sealed bearing. The bottom of the mounting plate (24) has multiple discharge ports (242).

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