Temperature-adjustable polymerization reaction device and molding equipment thereof

Abstract

The invention relates to the technical field of chemical engineering devices, and particularly discloses a temperature-adjustable polymerization reaction device and molding equipment thereof. A temperature-controllable polymerization reaction device comprises a reaction tank, the reaction tank comprises a tank body, a stirring rod is installed in the reaction tank, the stirring rod is connected with a driving unit used for driving the stirring rod to rotate, and a temperature control device used for controlling the temperature of a mixed solution in the tank body is arranged in the tank body. After a defoaming sleeve in the bubble eliminating unit is connected with a stirring rod in an inserted mode, the lower end of the defoaming sleeve abuts against an end plate, the upper end of the defoaming sleeve is located on the lower side of a defoaming fastener, in the defoaming sleeve inserting process, a driving groove in the defoaming sleeve needs to be matched with a key, in this way, when the stirring rod rotates subsequently, a defoaming plate and a defoaming needle can be driven to rotate, and the defoaming effect is achieved. Therefore, bubbles at the top of the liquid level of the solution are punctured, the effect of eliminating the bubbles is achieved, and the defoaming fastener and the stirring rod are fixed through the defoaming bolt.

Description

Technical Field

[0001] The invention belongs to the technical field of chemical equipment, and in particular relates to a temperature-controllable polymerization reaction device and molding equipment thereof. Background Art

[0002] A polymerization reactor is a device used to produce polymers, which converts small-molecule monomers into large-molecule polymers. In a polymerization reactor, the agitator plays a key role. It promotes the interaction and reaction of substances such as monomers, catalysts, and solvents by stirring and mixing them. The agitator must also be able to provide uniform temperature distribution to avoid hot and cold spots during the reaction.

[0003] The polymerization reaction device is an important part of the modern chemical industry, especially in the production of plastics, synthetic rubber, fibers and other polymers. The reaction tank in the reaction device needs to heat the solution inside it during operation. After a long period of continuous operation, the heated solution inside it will produce more bubbles. If these bubbles accumulate on the upper side of the liquid surface of the solution in the reaction tank for a long time, the heat circulation performance inside the reaction tank will decrease, resulting in different temperatures in different parts of the reaction tank, which will increase the difficulty of controlling the temperature inside the reaction tank. Therefore, the present application proposes a temperature-controlled polymerization reaction device and its molding equipment. The bubble elimination unit provided inside the reaction tank can eliminate the bubbles accumulated inside the reaction tank, and the feeding assembly assembly cooperates with the clamping assembly and the latch feeding assembly to assemble the bubble elimination unit with the stirring rod located inside the reaction tank. Summary of the invention

[0004] The object of the present invention is to provide a temperature-controllable polymerization reaction device and molding equipment thereof to solve the problems raised by the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a polymerization reaction device capable of temperature control and regulation, comprising a reaction tank, wherein the reaction tank comprises a tank body, a stirring rod is installed in the reaction tank, the stirring rod is connected to a driving unit for driving the stirring rod to rotate, and a temperature control device for controlling the temperature of a mixed solution in the tank body is arranged in the tank body;

[0006] A bubble elimination unit is detachably mounted on the stirring rod, and the bubble elimination unit includes a defoaming needle, which is mounted on a defoaming plate. The defoaming plate is connected to a defoaming sleeve, a defoaming fastener is pressed on the upper side of the defoaming sleeve, and the defoaming fastener is connected to the stirring rod through a defoaming pin, and protrusions are provided on the outer end surfaces of the defoaming sleeve and the defoaming fastener.

[0007] Preferably, two defoaming plates are provided, and the two defoaming plates are distributed in a circular array on the outside of the defoaming sleeve, and the defoaming plates are arranged obliquely, and the defoaming needles thereon are distributed perpendicularly to the defoaming plates.

[0008] Preferably, a defoaming gasket is provided between the defoaming fastener and the defoaming sleeve, and a driving groove is provided in the defoaming sleeve, and the driving groove is plugged with a key.

[0009] A molding device of a temperature-controllable and adjustable polymerization reaction device, comprising the temperature-controllable and adjustable polymerization reaction device, and also comprising a loading assembly component, wherein the loading assembly component comprises a lifting unit and a moving platform, and the lifting unit is used to drive the loading frame to move up and down;

[0010] The loading rack is provided with a clamping assembly for clamping and loosening the defoaming sleeve and two sets of raised parts in the defoaming fastener;

[0011] A latch feeding assembly is installed on the loading rack.

[0012] Preferably, the mobile platform comprises a platform and universal wheels with a braking function installed at the bottom of the platform.

[0013] Preferably, two mirror-distributed protrusions are provided in the defoaming sleeve, and two clamping frames are provided inside the clamping assembly. The two clamping frames are respectively aligned with the two protrusions in the defoaming sleeve, and two symmetrically distributed clamping plates are installed on the inner side of each clamping frame.

[0014] Preferably, the clamping plate penetrates the clamping frame and the two can move relative to each other in a direction perpendicular to the protrusion. One end of the clamping plate penetrates the clamping frame and is connected to the first connecting plate. The other end of the first connecting plate is connected to the slider, and the slider is connected to the guide rail on the clamping frame.

[0015] Preferably, one end of the slider away from the first connecting plate is connected to the second connecting plate, and a connecting rod is inserted into the other end of the second connecting plate. The connecting rod is installed at a position close to the edge of the circular plate, and the center position of the circular plate is connected to the output shaft of the clamping power motor.

[0016] Preferably, the latch feeding assembly includes two latch pressure plates, the cross-section of the inner head of the defoaming latch is set to a T-shape, and the latch pressure plate is set to a fan-shaped shape, and the cross-section of the latch pressure plate is set to an L-shape that matches the defoaming latch head, and the two latch pressure plates are connected to a spacing adjustment unit that drives the two to move closer or farther away from each other.

[0017] Preferably, the spacing adjustment unit is connected to a feed hydraulic cylinder for adjusting the spacing between it and the stirring rod. The feed hydraulic cylinder is connected to a loading rack via a cylinder bracket. A laser calibrator aligned with the mounting hole of a defoaming pin in a defoaming fastener is installed on the loading rack. A visual unit facing the mounting hole in the defoaming pin away from the laser calibrator is installed on the loading rack.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. After the defoaming sleeve in the bubble elimination unit of the present invention is plugged into the stirring rod, the lower end of the defoaming sleeve is against the end plate, and the upper end thereof is located at the lower side of the defoaming fastener. During the plugging process of the defoaming sleeve, it is necessary to make the driving groove in the defoaming sleeve cooperate with the key, so that when the stirring rod rotates subsequently, it can drive the defoaming plate and the defoaming needle to rotate, thereby puncturing the bubbles on the top of the solution surface to achieve the effect of eliminating bubbles. The defoaming fastener and the stirring rod are fixed by a defoaming pin.

[0020] 2. When installing the bubble elimination unit of the present invention, the loading assembly component is moved to the installation area by the mobile platform, and the defoaming sleeve, defoaming fastener, defoaming pin and other components are fixed by the clamping component and the latch feeding component. Then, the lifting unit is started to let it fall to the specified position inside the reaction tank, and the position of the mobile platform is adjusted to align the defoaming sleeve with the stirring rod. Then, the defoaming sleeve falls to the bottom, and then the defoaming pin is inserted into the defoaming fastener by the feeding hydraulic cylinder in the latch feeding assembly to realize the fixing work between the stirring rod and the bubble elimination unit. The installation work of the bubble elimination unit can be realized without disassembling the stirring rod from the reaction tank as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the reaction tank in the present invention.

[0022] Figure 2 It is a schematic diagram of the internal structure of the reaction tank in the present invention.

[0023] Figure 3 It is a schematic structural diagram of the temperature-controlled polymerization reaction device and its molding equipment in the present invention.

[0024] Figure 4 This is one of the structural schematic diagrams of the bubble elimination unit and the feeding assembly component in the present invention.

[0025] Figure 5 It is a schematic diagram of the structure of the stirring rod and the bubble elimination unit in the present invention.

[0026] Figure 6 This is the second structural schematic diagram of the bubble elimination unit and the feeding assembly component in the present invention.

[0027] Figure 7 For the present invention Figure 5 Schematic diagram of the structure at A in the middle.

[0028] Figure 8 This is the third structural schematic diagram of the bubble elimination unit and the feeding assembly component in the present invention.

[0029] Fig. 9 It is a schematic diagram of the structure at B in Figure 8 of the present invention.

[0030] Fig.10 It is a schematic diagram of the structure of the clamping assembly in the present invention.

[0031] In the figure: 1. reaction tank; 101. tank body; 102. temperature control device; 103. stirring rod; 104. key; 2. bubble elimination unit; 201. defoaming needle; 202. defoaming sleeve; 203. defoaming fastener; 204. defoaming pin; 205. defoaming gasket; 206. raised part; 3. feeding assembly component; 301. lifting unit; 302. moving platform;

[0032] 4. Clamping assembly; 401. Clamping frame; 402. Clamping plate; 403. First connecting plate; 404. Sliding block; 405. Guide rail; 406. Second connecting plate; 407. Round plate; 408. Clamping power motor;

[0033] 5. Latch feeding assembly; 501. Latch pressing plate; 502. Spacing adjustment unit; 503. Feed hydraulic cylinder; 504. Laser aligner; 505. Vision unit. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Reference Figure 1-Figure 10 A temperature-controlled polymerization reaction device includes a reaction tank 1 and a feeding assembly 3. The polymerization reaction device is an important component of the modern chemical industry, especially in the production of plastics, synthetic rubber, fibers and other polymers. The polymerization reaction device is usually composed of multiple key components, including a reactor, an agitator, a heating system, a cooling system and a control system. The reaction tank 1 is a container for polymerization reaction. The reaction tank 1 includes a tank body 101. The tank body 101 is provided with a temperature control device 102 for controlling the temperature of the mixed solution in the tank body 101. The temperature control device 102 can heat the mixed solution in the tank body 101 to control its temperature. Some solutions need to be controlled at a higher temperature. For example, salt water can react with propylene monomers, and the mixture of salt and water in the salt water needs to heat the liquid to accelerate the melting speed of the salt. Due to the high temperature inside the tank body 101, some bubbles will be generated;

[0036] In order to heat the solution in the tank body 101 evenly, a stirring rod 103 is installed in the reaction tank 1 , and the stirring rod 103 is connected to a driving unit for driving the stirring rod 103 to rotate.

[0037] When the reaction tank 1 works continuously for a long time, the heated solution inside it will produce bubbles (there are two main sources of bubbles, the first is the gas mixed in the solution, and the second is the gas converted by heating and vaporizing the solution). If the bubbles accumulate on the upper side of the liquid surface of the solution in the reaction tank 1 for a long time, the heat circulation performance inside the reaction tank 1 will decrease, resulting in different temperatures in different parts of the reaction tank 1, which will increase the difficulty of controlling the temperature inside the reaction tank 1. Therefore, a bubble elimination unit 2 is detachably installed on the stirring rod 103. The bubble elimination unit 2 can puncture the bubbles on the upper layer of the solution surface to quickly eliminate the bubbles.

[0038] Specifically, the bubble elimination unit 2 includes a defoaming needle 201, which is installed on a defoaming plate, which is connected to a defoaming sleeve 202. Two defoaming plates are provided, and the two defoaming plates are arranged in a circular array on the outside of the defoaming sleeve 202, and the defoaming plates are arranged obliquely, and the defoaming needle 201 thereon is vertically distributed with the defoaming plate. A driving groove is provided in the defoaming sleeve 202, and the driving groove is plugged with the key 104. The upper side of the defoaming sleeve 202 is pressed with a defoaming Fastener 203, and the defoaming fastener 203 is connected to the stirring rod 103 through a defoaming pin 204. It should be noted that a defoaming gasket 205 is arranged between the defoaming fastener 203 and the defoaming sleeve 202, and the outer end surfaces of the defoaming sleeve 202 and the defoaming fastener 203 are both provided with a protrusion 206. The protrusion 206 is arranged to facilitate the subsequent clamping of the clamping assembly 4, thereby facilitating the installation and disassembly of the defoaming sleeve 202 and other components.

[0039] An end plate is provided at the position where the stirring rod 103 is installed corresponding to the bubble elimination unit 2. After the defoaming sleeve 202 in the bubble elimination unit 2 is plugged into the stirring rod 103, the lower end of the defoaming sleeve 202 is against the end plate, and the upper end thereof is located at the lower side of the defoaming fastener 203. During the plugging process of the defoaming sleeve 202, it is necessary to make the driving groove in the defoaming sleeve 202 cooperate with the key 104, so that when the stirring rod 103 is rotated later, it can drive the defoaming plate and the defoaming needle 201 to rotate, thereby puncturing the bubbles on the top of the solution surface to achieve the effect of eliminating bubbles. The fastener 203 and the stirring rod 103 are fixed by a defoaming pin 204, so that the position of the defoaming sleeve 202 can be locked. At the same time, a defoaming gasket 205 is installed between the defoaming fastener 203 and the defoaming sleeve 202. The defoaming gasket is an elastic gasket that can squeeze the defoaming sleeve 202 so that it always fits the end plate. In this way, if the defoaming sleeve 202 is subjected to a large reverse force from the solution during rotation, a small displacement of one end can be made toward the upper side to prevent the defoaming sleeve 202 from directly bearing a large impact force, thereby protecting the defoaming sleeve 202 and extending its service life.

[0040] The reaction tank 1 as a whole has a certain height, and the stirring rod 103 is located inside the tank body 101. During the current installation, it is mostly necessary to disassemble the entire stirring rod 103 before the bubble elimination unit 2 and the stirring rod 103 can be assembled together. During this period, many parts are disassembled and the time consumed is also long. Therefore, a molding device with temperature-controlled adjustable polymerization reaction device is provided, including a feeding assembly component 3. The feeding assembly component 3 includes a lifting unit 301 and a moving platform 302. The lifting unit 301 is used to drive the feeding frame to move up and down. The moving platform 302 includes a platform and a universal wheel with a braking function installed at the bottom of the platform. The moving platform 302 can drive the lifting unit 301 to move, thereby adjusting the position of the lifting unit 301, thereby moving the entire feeding assembly component 3 to the operating area close to the reaction tank 1.

[0041] Reference Figure 3 , Figure 4 , Figure 6 The lifting unit 301 includes a vertical track, a lifting block that can move up and down along the track, and a lifting power assembly that allows the lifting block to move up and down. Triangular ribs are installed on the side of the track to improve the load-bearing performance of the track and prevent the components installed on the loading rack from being too heavy and causing the track to be skewed.

[0042] Specifically, the loading rack is equipped with a clamping assembly 4 for clamping and loosening the defoaming sleeve 202 and the two sets of protrusions 206 in the defoaming fastener 203, which can be referred to Figure 4-Figure 10 , two protrusions 206 in the defoaming sleeve 202 are provided with mirror-image distribution, and two clamping frames 401 are provided inside the clamping assembly 4, the two clamping frames 401 are respectively aligned with the two protrusions 206 in the defoaming sleeve 202, and two symmetrically distributed clamping plates 402 are installed on the inner side of each clamping frame 401, the clamping plates 402 penetrate the clamping frames 401 and the two can move relative to each other in a direction perpendicular to the protrusions 206, one end of the clamping plate 402 penetrating the clamping frame 401 is connected to the first connecting plate 403, the other end of the first connecting plate 403 is connected to the slider 404, and the slider 404 is connected to the guide rail 405 on the clamping frame 401;

[0043] More specifically, one end of the slider 404 away from the first connecting plate 403 is connected to the second connecting plate 406, and a connecting rod is inserted into the other end of the second connecting plate 406. The connecting rod is installed at a position close to the edge of the circular plate 407, and the center position of the circular plate 407 is connected to the output shaft of the clamping power motor 408.

[0044] The clamping power motor 408 drives the circular plate 407 to rotate, and the two connecting rods on the circular plate 407 rotate together. The two connecting rods pull the slider 404 to move towards or away from each other through the two second connecting plates 406. The slider 404 drives the clamping plate 402 to move through the first connecting plate 403. The movement direction of the clamping plate 402 is opposite to that of the slider 404. In this way, the rotation of the clamping power motor 408 can drive the two clamping plates 402 to move away from or close to each other, thereby realizing the clamping and loosening of the protrusion 206. The clamping assembly 4 clamps and loosens the defoaming sleeve 202 and the defoaming fastener 203. After the above two are clamped, the lifting unit 301 can drive the defoaming sleeve 202 and the defoaming fastener 203 to move up and down during the process of driving the loading rack to move up and down, thereby connecting the various components in the bubble elimination unit 2 with the stirring rod 103.

[0045] After the defoaming sleeve 202, the defoaming fastener 203 and the stirring rod 103 are plugged together through the clamping assembly 4 and reach the designated installation point, the defoaming pin 204 needs to be inserted into the defoaming fastener 203, so a pin feeding assembly 5 is installed on the loading rack, and the pin feeding assembly 5 includes two pin pressing plates 501, the cross section of the head of the defoaming pin 204 is set to a T-shape, and the pin pressing plate 501 is set to a fan shape, and the cross section of the pin pressing plate 501 is set to an L-shape that matches the head of the defoaming pin 204, and the two pin pressing plates 501 are connected to a spacing adjustment unit 502 for driving the two to move closer or farther from each other;

[0046] The spacing adjustment unit 502 adjusts the spacing between the two latch pressure plates 501 to achieve the clamping and loosening of the defoaming latch 204. The clamping of the defoaming latch 204 can drive the defoaming latch 204 to move when the loading rack moves, and the loosening of the defoaming latch 204 is to insert it into the defoaming fastener 203 so that the loading rack will not be hindered by the defoaming latch 204 when moving up. It should be noted that the two latch pressure plates 501 are respectively located on the front and rear sides of the defoaming latch 204.

[0047] More specifically, the spacing adjustment unit 502 is connected to a feed hydraulic cylinder 503 for adjusting the spacing between it and the stirring rod 103. The feed hydraulic cylinder 503 is connected to the loading rack through a cylinder bracket. The feed hydraulic cylinder 503 can drive the spacing adjustment unit 502, the latch plate 501, and the defoaming latch 204 to move, and finally insert them into the defoaming fastener 203, thereby achieving the fixing work between the defoaming fastener 203 and the stirring rod 103. The loading rack is equipped with a locking device for aligning the defoaming fastener 203 with the inner surface of the defoaming fastener 204. A laser calibrator 504 for the mounting hole of the defoaming pin 204 is installed on the loading rack with a visual unit 505 facing the mounting hole inside the defoaming pin 204 and away from the laser calibrator 504. When the laser calibrator 504 is started, it can emit a laser, and the laser is aimed at the mounting hole to emit light. The operator can check the position of the laser through the visual unit 505 to determine whether the laser is aimed at the center of the mounting hole, thereby determining whether the defoaming pin 204 is aligned with the mounting hole, which facilitates the feeding of the defoaming pin 204.

[0048] Working principle:

[0049] The bubble elimination unit 2 is detachably mounted on the stirring rod 103 , and the bubble elimination unit 2 can puncture the bubbles on the upper layer of the solution surface, allowing the bubbles to be eliminated quickly, thereby preventing the bubbles from accumulating inside the reaction tank 1 .

[0050] When the bubble elimination unit 2 is installed, the loading assembly component 3 is moved to the installation area through the mobile platform 302, and the defoaming sleeve 202, the defoaming fastener 203, the defoaming pin 204 and other components are fixed by the clamping component 4 and the pin feeding component 5. Then, the lifting unit 301 is started to let it fall to the specified position inside the reaction tank 1, and the position of the mobile platform 302 is adjusted to align the defoaming sleeve 202 with the stirring rod 103. Then, the defoaming sleeve 202 falls to the bottom, and then the defoaming pin 204 is inserted into the defoaming fastener 203 through the feeding hydraulic cylinder 503 in the pin feeding component 5 to achieve the fixing work between the stirring rod 103 and the bubble elimination unit 2.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A temperature-controlled polymerization reaction device, comprising a reaction tank (1), wherein the reaction tank (1) comprises a tank body (101), a stirring rod (103) is installed in the reaction tank (1), and the stirring rod (103) is connected to a driving unit for driving the stirring rod (103) to rotate, characterized in that: A temperature control device (102) for controlling the temperature of the mixed solution in the tank (101) is arranged in the tank (101); The stirring rod (103) is detachably mounted with a bubble elimination unit (2), the bubble elimination unit (2) comprising a defoaming needle (201), the defoaming needle (201) being mounted on a defoaming plate, the defoaming plate being connected to a defoaming sleeve (202), a defoaming fastener (203) being pressed on the upper side of the defoaming sleeve (202), and the defoaming fastener (203) being connected to the stirring rod (103) via a defoaming pin (204), and a protrusion (206) being provided on the outer end surfaces of the defoaming sleeve (202) and the defoaming fastener (203).

2. A temperature-controlled polymerization reaction device according to claim 1, characterized in that: The defoaming plates are provided with two, and the two defoaming plates are distributed in a circular array on the outside of the defoaming sleeve (202), and the defoaming plates are arranged obliquely, and the defoaming needles (201) thereon are distributed perpendicularly to the defoaming plates.

3. A temperature-controllable polymerization reaction device according to claim 2, characterized in that: A defoaming gasket (205) is arranged between the defoaming fastener (203) and the defoaming sleeve (202), and a driving groove is arranged in the defoaming sleeve (202), and the driving groove is plugged into the key (104).

4. A molding device capable of temperature-controlling and regulating a polymerization reaction device, characterized in that: The temperature-controllable polymerization reaction device comprises the one mentioned in any one of claims 1 to 3, and further comprises a loading assembly component (3), wherein the loading assembly component (3) comprises a lifting unit (301) and a moving platform (302), and the lifting unit (301) is used to drive the loading rack to move up and down; The loading rack is provided with a clamping assembly (4) for clamping and loosening the defoaming sleeve (202) and two groups of protrusions (206) in the defoaming fastener (203); A latch feeding assembly (5) is installed on the loading rack.

5. The molding equipment of the temperature-controllable polymerization reaction device according to claim 4, characterized in that: The mobile platform (302) comprises a platform and universal wheels with a braking function installed at the bottom of the platform.

6. The molding equipment of the temperature-controllable polymerization reaction device according to claim 4, characterized in that: The defoaming sleeve (202) is provided with two protrusions (206) distributed in a mirror image, and the clamping assembly (4) is provided with two clamping frames (401) inside. The two clamping frames (401) are respectively aligned with the two protrusions (206) in the defoaming sleeve (202), and two symmetrically distributed clamping plates (402) are installed on the inner side of each clamping frame (401).

7. The molding equipment of the temperature-controllable polymerization reaction device according to claim 6, characterized in that: The clamping plate (402) penetrates the clamping frame (401) and the two can move relative to each other in a direction perpendicular to the protrusion (206). One end of the clamping plate (402) penetrates the clamping frame (401) and is connected to the first connecting plate (403). The other end of the first connecting plate (403) is connected to the slider (404), and the slider (404) is connected to the guide rail (405) on the clamping frame (401).

8. The molding equipment of the temperature-controllable polymerization reaction device according to claim 7, characterized in that: One end of the slider (404) away from the first connecting plate (403) is connected to the second connecting plate (406), and a connecting rod is inserted into the other end of the second connecting plate (406). The connecting rod is installed at a position close to the edge of the circular plate (407), and the center position of the circular plate (407) is connected to the output shaft of the clamping power motor (408).

9. The molding equipment of the temperature-controllable polymerization reaction device according to claim 4, characterized in that: The latch feeding assembly (5) comprises two latch pressing plates (501), the cross section of the inner head of the defoaming latch (204) is arranged in a T-shape, while the latch pressing plate (501) is arranged in a fan-shaped shape, and the cross section of the latch pressing plate (501) is arranged in an L-shape that matches the head of the defoaming latch (204), and the two latch pressing plates (501) are connected to a spacing adjustment unit (502) for driving the two to move closer to or farther from each other.

10. The molding equipment of the temperature-controllable polymerization reaction device according to claim 9, characterized in that: The spacing adjustment unit (502) is connected to a feed hydraulic cylinder (503) for adjusting the spacing between the feed hydraulic cylinder (503) and the stirring rod (103); the feed hydraulic cylinder (503) is connected to a loading rack via a cylinder bracket; a laser calibrator (504) is installed on the loading rack and is aligned with a mounting hole of a defoaming pin (204) in a defoaming fastener (203); and a visual unit (505) is installed on the loading rack and is directed toward a side of the mounting hole in the defoaming pin (204) away from the laser calibrator (504).

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