Reaction kettle for producing corrosion-resistant silicon dioxide additive

Abstract

The invention discloses a reaction kettle for producing a corrosion-resistant silicon dioxide additive, and relates to the technical field of silicon dioxide additive production.The reaction kettle comprises a kettle body, a base is installed at the lower end of the kettle body, a discharging pipe is installed at the lower end of the side wall of the kettle body, and a feeding pipe is installed at the upper end of the side wall of the kettle body; a rotating cylinder is vertically arranged in the center of the upper end of the kettle body, the rotating cylinder is rotatably connected with the kettle body, and a fixing plate is horizontally arranged in the kettle body. An electric telescopic rod drives a sliding rod, a heating rod and a flow guide heat transfer plate to move up and down in a reciprocating manner, so that the heating rod can uniformly and fully heat a silicon dioxide assistant in the kettle body, and meanwhile, the flow guide heat transfer plate can disturb the silicon dioxide assistant in the kettle body, so that silicon dioxide assistant raw materials are uniformly mixed and react; a heating rod and a flow guide heat transfer plate are cleaned through cleaning holes in a second connecting plate, and then a fixed plate is driven to move through the movement of the heating rod and the flow guide heat transfer plate, so that the inner wall of the kettle body is cleaned.

Description

Technical Field

[0001] The invention relates to the technical field of silicon dioxide additive production, in particular to a reaction kettle for producing corrosion-resistant silicon dioxide additives. Background Art

[0002] As an important inorganic material, silicon dioxide is widely used in rubber, plastic, coating, adhesive and other fields. In order to improve the performance of silicon dioxide and adapt to different application scenarios, additives are usually required.

[0003] Commonly used additives for silica include surfactants, dispersants, coupling agents, etc. When using a reactor to produce silica additives, the silica additive raw materials inside the reactor are prone to uneven mixing, and most existing reactors heat the interior through the side walls, which easily causes the temperature near the side walls to be inconsistent with the center position, thereby increasing the reaction time, reducing the reaction efficiency, and being inconvenient for users.

[0004] In view of the above problems, an improved reactor for producing corrosion-resistant silica additives is now designed. Summary of the invention

[0005] The object of the present invention is to provide a reaction kettle for producing corrosion-resistant silica additives to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A reaction kettle for producing corrosion-resistant silica additives comprises a kettle body, wherein a base is installed at the lower end of the kettle body, a discharge pipe is installed at the lower end of the side wall of the kettle body, a feed pipe is installed at the upper end of the side wall of the kettle body, a rotating cylinder is vertically arranged at the center position of the upper end of the kettle body, the rotating cylinder is rotatably connected to the kettle body, a fixed plate for scraping off the silica additive adhering to the inner wall of the kettle body is horizontally arranged inside the kettle body, the side wall of the fixed plate is tightly attached to the inner wall of the kettle body through a rubber pad, a heating and mixing mechanism for heating and mixing the silica additive raw materials inside the kettle body is arranged inside the kettle body, and a cleaning mechanism for moving the fixed plate up and down is arranged on the fixed plate.

[0008] As a further solution of the present invention: the heating and mixing mechanism includes a sliding rod, which is slidably connected to the inner wall of the rotating cylinder, and the lower end of the sliding rod passes through the rotating cylinder and is arranged inside the kettle body, and a plurality of heating rods for heating the silica additive raw material inside the kettle body are horizontally installed in a circular array at the lower end of the side wall of the sliding rod, and a deflection heat transfer plate for stirring the reaction mixture inside the kettle body is obliquely installed on the side wall of the heating rod, and a top plate is horizontally installed on the upper end of the sliding rod through the rotating cylinder, and electric telescopic rods are vertically installed on the side walls of the kettle body near the two ends of the top plate, and the output ends of the electric telescopic rods are installed on both sides of the lower end of the top plate.

[0009] As a further solution of the present invention: a triangular rib plate is provided at the connection between the heating rod and the sliding rod for stably connecting the heating rod and the sliding rod.

[0010] As a further solution of the present invention: the cleaning mechanism includes a plurality of first fixed rods corresponding to the heating rods one by one, the first fixed rods are horizontally installed in a circular array on the inner wall of the kettle body above the feed pipe, the first fixed rods corresponding to each other are on the same vertical plane as the heating rods, the first fixed rods are arranged above the fixed plate, the fixed plate is provided with a slide groove corresponding to the first fixed rods one by one, the slide groove and the first fixed rods are parallel to each other and on the same vertical plane, an I-shaped slider is slidably connected to the inner wall of the slide groove, a first connecting plate is vertically installed on the upper end of the I-shaped slider, the vertical plane where the first connecting plate is located is perpendicular to the first fixed rod, and the first connecting plate is provided with a A fixed through hole is provided for the first fixed rod to pass through, a second connecting plate is vertically installed at the lower end of the I-shaped slider, the vertical surface where the second connecting plate is located is perpendicular to the heating rod, and a cleaning hole is provided on the second connecting plate for the corresponding heating rod and the guide heat transfer plate to pass through, the purpose is to clean the silica additive adhered to the heating rod and the guide heat transfer plate, the length of the first fixed rod and the heating rod are both greater than half of the distance between the slide rod and the inner wall of the kettle body, and the length of the first fixed rod and the heating rod are both less than the distance between the slide rod and the inner wall of the kettle body, and a movable switching component for moving the first connecting plate, the I-shaped slider and the second connecting plate is provided on the top of the kettle body.

[0011] As a further solution of the present invention: a guide groove for the outflow of the silica additive to be scraped off is provided on the side wall of the second connecting plate near the center of the kettle body.

[0012] As a further solution of the present invention: the movable switching assembly includes a rotating rod corresponding to the slide slot one by one, the rotating rod and the slide slot are parallel to each other, the rotating rod is horizontally arranged above the slide slot, one end of the rotating rod is rotatably connected to the inner wall of the kettle body, the end of the rotating rod away from the inner wall of the kettle body is rotatably connected to a support plate for supporting the rotating rod, a screw is installed on the side wall of the rotating rod, and the side wall of the screw is rotatably connected to a moving block through a thread, the upper end of the moving block slides along the top of the kettle body, and the lower end of the moving block is installed with a card frame for clamping the first connecting plate, and the rotating cylinder is provided with a driving assembly for simultaneously driving all the rotating rods to rotate.

[0013] As a further solution of the present invention: a ball bearing is installed on the upper end of the moving block to facilitate the moving block to move along the top of the kettle body, and the ball bearing is tightly attached to the top of the kettle body.

[0014] As a further solution of the present invention: the driving assembly includes a second bevel gear, which is installed on the side wall of the rotating cylinder inside the kettle body, and the end of the rotating rod close to the sliding rod is installed with a first bevel gear used in conjunction with the second bevel gear through a support plate, and the first bevel gear and the second bevel gear are meshed with each other. A gear ring is installed on the side wall of the rotating cylinder above the kettle body, and a motor is installed on the upper end of the kettle body. A gear used in conjunction with the gear ring is installed on the output end of the motor, and the gear and the gear ring are meshed with each other.

[0015] As a further solution of the present invention: a heat insulating layer for heat insulation and heat preservation is arranged inside the side wall of the kettle body.

[0016] As a further solution of the present invention: a baffle frame is installed at the lower end of the side wall of the fixing plate to prevent the scraped silica additive from splashing.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention installs a plurality of heating rods in a circular array at the lower end of the side wall of a sliding rod, and installs a guide heat transfer plate on the heating rod, and then drives the sliding rod, the heating rod and the guide heat transfer plate to move up and down reciprocatingly through an electric telescopic rod, so that the heating rod can evenly and fully heat the silica additive in the kettle body, and at the same time the guide heat transfer plate can disturb the silica additive in the kettle body, so that the silica additive raw materials are evenly mixed and reacted, and the production efficiency of the silica additive is effectively improved.

[0019] The present invention drives multiple screws to rotate simultaneously by a motor, so that the screws drive the moving block and the clamping frame to move, and the clamping frame drives the first connecting plate, the I-shaped sliding block and the second connecting plate to move, so that the fixed plate is switched and fixed on the heating rod and the guide heat transfer plate, and the heating rod and the guide heat transfer plate are cleaned through the cleaning holes on the second connecting plate, and then the fixed plate is driven to move by the movement of the heating rod and the guide heat transfer plate, so as to clean the inner wall of the kettle body, improve the discharge efficiency of the silica additive raw material, and avoid waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 It is a schematic diagram of the top view of the structure of the present invention during the reaction operation.

[0022] Figure 3 It is a schematic diagram of the structure when the reaction is in operation when viewed from above.

[0023] Figure 4 The top view of the structure of the present invention during the residual material cleaning is shown in FIG.

[0024] Figure 5 The figure is a schematic diagram of the structure when the residual material is cleaned up when viewed from above.

[0025] Wherein: 1. kettle body; 2. discharge pipe; 3. heating rod; 4. guide heat transfer plate; 5. baffle frame; 6. fixed plate; 7. I-shaped slider; 8. first connecting plate; 9. clamping frame; 10. moving block; 11. rotating rod; 12. screw; 13. support plate; 14. rotating cylinder; 15. top plate; 16. electric telescopic rod; 17. first bevel gear; 18. first fixed rod; 19. slide groove; 20. feed pipe; 21. slide rod; 22. motor; 23. gear; 24. gear ring; 25. base; 26. second connecting plate; 27. cleaning hole; 28. second bevel gear; 29. ​​fixed through hole. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-Figure 5In an embodiment of the present invention, a reaction kettle for producing corrosion-resistant silica additives includes a kettle body 1, a base 25 is installed at the lower end of the kettle body 1, a discharge pipe 2 is installed at the lower end of the side wall of the kettle body 1, a feed pipe 20 is installed at the upper end of the side wall of the kettle body 1, a rotating cylinder 14 is vertically arranged at the center position of the upper end of the kettle body 1, and the rotating cylinder 14 is rotatably connected to the kettle body 1, and a fixed plate 6 for scraping off the silica additive adhering to the inner wall of the kettle body 1 is horizontally arranged inside the kettle body 1, and the side wall of the fixed plate 6 is tightly attached to the inner wall of the kettle body 1 through a rubber pad, and a baffle 5 for preventing the scraped silica additive from splashing is installed at the lower end of the side wall of the fixed plate 6, and a heating and mixing mechanism for heating and mixing the silica additive raw materials inside the kettle body 1 is arranged inside the kettle body 1, and a cleaning mechanism for moving the fixed plate 6 up and down is arranged on the fixed plate 6.

[0028] The heating and mixing mechanism includes a slide bar 21, which is slidably connected to the inner wall of the rotating cylinder 14. The lower end of the slide bar 21 passes through the rotating cylinder 14 and is arranged inside the kettle body 1. A plurality of heating rods 3 for heating the silica additive raw material inside the kettle body 1 are horizontally installed in a circular array at the lower end of the side wall of the slide bar 21. The side wall of the heating rod 3 is obliquely installed with a guide heat transfer plate 4 for stirring the reaction mixture inside the kettle body 1. The upper end of the slide bar 21 passes through the rotating cylinder 14 and is horizontally installed with a top plate 15. Electric telescopic rods 16 are vertically installed on the side walls of the kettle body 1 near the two ends of the top plate 15, and the output ends of the electric telescopic rod 16 are installed on both sides of the lower end of the top plate 15.

[0029] When in use, the electric telescopic rod 16 is started to move back and forth up and down, the output end of the electric telescopic rod 16 drives the top plate 15 to move, the top plate 15 drives the sliding rod 21 to slide up and down along the inner wall of the rotating cylinder 14, the sliding rod 21 drives the heating rod 3 and the guide heat transfer plate 4 to move up and down, the heating rod 3 heats the reaction mixture inside the kettle body 1, and the guide heat transfer plate 4 stirs the reaction mixture inside the kettle body 1, so that the silicon dioxide additive raw materials are fully contacted and reacted, and the temperature distribution is uniform.

[0030] The cleaning mechanism includes a plurality of first fixing rods 18 corresponding to the heating rods 3 one by one, the first fixing rods 18 are horizontally installed on the inner wall of the kettle body 1 above the feeding pipe 20 in a circumferential array, the first fixing rods 18 corresponding to each other are on the same vertical plane as the heating rods 3, the first fixing rods 18 are arranged above the fixing plate 6, the fixing plate 6 is provided with a slide groove 19 corresponding to the first fixing rods 18 one by one, the slide groove 19 and the first fixing rods 18 are parallel to each other and on the same vertical plane, an I-shaped slider 7 is slidably connected to the inner wall of the slide groove 19, a first connecting plate 8 is vertically installed on the upper end of the I-shaped slider 7, the vertical plane where the first connecting plate 8 is located is perpendicular to the first fixing rod 18, and the first connecting plate 8 is provided with a first fixing rod 18. The fixed through hole 29 through which the fixed rod 18 passes, the lower end of the I-shaped slider 7 is vertically installed with a second connecting plate 26, the vertical surface where the second connecting plate 26 is located is perpendicular to the heating rod 3, and the second connecting plate 26 is provided with a cleaning hole 27 for the corresponding heating rod 3 and the guide heat transfer plate 4 to pass through, the purpose of which is to clean the silica additive adhered to the heating rod 3 and the guide heat transfer plate 4, the length of the first fixed rod 18 and the heating rod 3 are both greater than half of the distance between the slide rod 21 and the inner wall of the kettle body 1, and the length of the first fixed rod 18 and the heating rod 3 are both less than the distance between the slide rod 21 and the inner wall of the kettle body 1, and the top of the kettle body 1 is provided with a moving switching component for moving the first connecting plate 8, the I-shaped slider 7 and the second connecting plate 26.

[0031] During reaction production, the first connecting plate 8, the I-shaped slider 7 and the second connecting plate 26 are moved so that the fixing through hole 29 on the first connecting plate 8 is sleeved on the first fixing rod 18, and the cleaning hole 27 on the second connecting plate 26 is separated from the heating rod 3 and the heat transfer plate 4.

[0032] When performing the discharging operation, move the first connecting plate 8, the I-shaped slider 7 and the second connecting plate 26, so that the cleaning hole 27 on the second connecting plate 26 is sleeved on the heating rod 3 and the heat transfer plate 4, and the heating rod 3 and the heat transfer plate 4 are cleaned, and the fixing through hole 29 on the first connecting plate 8 is separated from the first fixing rod 18.

[0033] The mobile switching assembly includes a rotating rod 11 corresponding to the slide slot 19 one by one, the rotating rod 11 and the slide slot 19 are parallel to each other, the rotating rod 11 is horizontally arranged above the slide slot 19, one end of the rotating rod 11 is rotatably connected to the inner wall of the kettle body 1, and the end of the rotating rod 11 away from the inner wall of the kettle body 1 is rotatably connected to a support plate 13 for supporting the rotating rod 11, a screw 12 is installed on the side wall of the rotating rod 11, and the side wall of the screw 12 is rotatably connected to a moving block 10 through a thread, the upper end of the moving block 10 slides along the top of the kettle body 1, and the lower end of the moving block 10 is installed with a clamping frame 9 for clamping the first connecting plate 8, and the rotating cylinder 14 is provided with a driving assembly for simultaneously driving all the rotating rods 11 to rotate.

[0034] The driving assembly includes a second bevel gear 28, which is mounted on the side wall of the rotating cylinder 14 inside the kettle body 1. The end of the rotating rod 11 close to the sliding rod 21 passes through the support plate 13 and is equipped with a first bevel gear 17 used in conjunction with the second bevel gear 28. The first bevel gear 17 and the second bevel gear 28 are meshed with each other. A gear ring 24 is mounted on the side wall of the rotating cylinder 14 above the kettle body 1. A motor 22 is mounted on the upper end of the kettle body 1. A gear 23 used in conjunction with the gear ring 24 is mounted on the output end of the motor 22. The gear 23 and the gear ring 24 are meshed with each other.

[0035] When in use, start the motor 22, the output end of the motor 22 drives the gear 23 to rotate, the gear 23 drives the gear ring 24 to rotate, the gear ring 24 drives the rotating cylinder 14 to rotate, the rotating cylinder 14 drives the second bevel gear 28 to rotate, the second bevel gear 28 drives the first bevel gear 17 to rotate, the first bevel gear 17 drives the rotating rod 11 to rotate, the rotating rod 11 drives the screw 12 to rotate, under the action of the thread, the screw 12 drives the moving block 10 to move, the moving block 10 drives the card frame 9 to move, the card frame 9 drives the first connecting plate 8, the I-shaped slider 7 and the second connecting plate 26 to move.

[0036] Working principle of the reactor for the production of corrosion-resistant silica additives:

[0037] When in use, the electric telescopic rod 16 is started to move back and forth up and down, the output end of the electric telescopic rod 16 drives the top plate 15 to move, the top plate 15 drives the sliding rod 21 to slide up and down along the inner wall of the rotating cylinder 14, the sliding rod 21 drives the heating rod 3 and the guide heat transfer plate 4 to move up and down, the heating rod 3 heats the reaction mixture inside the kettle body 1, and the guide heat transfer plate 4 stirs the reaction mixture inside the kettle body 1, so that the silicon dioxide additive raw materials are fully contacted and reacted, and the temperature distribution is uniform.

[0038] At this time, the fixing through hole 29 on the first connecting plate 8 is sleeved on the first fixing rod 18 , and the cleaning hole 27 on the second connecting plate 26 is separated from the heating rod 3 and the heat transfer plate 4 , and the clamping frame 9 is clamped on the first connecting plate 8 .

[0039] When the residual material is discharged, the heating rod 3 and the guide heat transfer plate 4 are lifted up to align with the cleaning hole 27, and the motor 22 is started. The output end of the motor 22 drives the gear 23 to rotate, the gear 23 drives the gear ring 24 to rotate, the gear ring 24 drives the rotating cylinder 14 to rotate, the rotating cylinder 14 drives the second bevel gear 28 to rotate, the second bevel gear 28 drives the first bevel gear 17 to rotate, the first bevel gear 17 drives the rotating rod 11 to rotate, the rotating rod 11 drives the screw 12 to rotate, under the action of the thread, the screw 12 drives the moving block 10 to move, the moving block 10 drives the clamping frame 9 to move, the clamping frame 9 drives the first connecting plate 8, the I-shaped slider 7 and the second connecting plate 26 to move, so that the cleaning hole 27 on the second connecting plate 26 is sleeved on the heating rod 3 and the guide heat transfer plate 4, and the heating rod 3 and the guide heat transfer plate 4 are cleaned, and the fixed through hole 29 on the first connecting plate 8 is separated from the first fixed rod 18.

[0040] Then the electric telescopic rod 16 is started to retract, and the output end of the electric telescopic rod 16 drives the top plate 15, the slide bar 21, the heating rod 3 and the heat transfer plate 4 to move, and the heating rod 3 and the heat transfer plate 4 drive the second connecting plate 26, the I-shaped slide block 7 and the fixed plate 6 to move downward, so that the fixed plate 6 scrapes and cleans the inner wall of the kettle body 1.

[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

Claims

1. A reaction kettle for producing corrosion-resistant silica additives, comprising a kettle body (1), a base (25) being installed at the lower end of the kettle body (1), a discharge pipe (2) being installed at the lower end of the side wall of the kettle body (1), and a feed pipe (20) being installed at the upper end of the side wall of the kettle body (1), characterized in that: A rotating cylinder (14) is vertically arranged at the center of the upper end of the kettle body (1), and the rotating cylinder (14) is rotatably connected to the kettle body (1). A fixed plate (6) is horizontally arranged inside the kettle body (1) for scraping off the silicon dioxide additive adhering to the inner wall of the kettle body (1), and the side wall of the fixed plate (6) is tightly attached to the inner wall of the kettle body (1) through a rubber pad. A heating and mixing mechanism is arranged inside the kettle body (1) for heating and mixing the silicon dioxide additive raw materials inside the kettle body (1), and a cleaning mechanism is arranged on the fixed plate (6) for moving the fixed plate (6) up and down.

2. The reaction kettle for producing corrosion-resistant silica additive according to claim 1, characterized in that: The heating and mixing mechanism comprises a sliding rod (21), wherein the sliding rod (21) is slidably connected to the inner wall of the rotating cylinder (14), the lower end of the sliding rod (21) passes through the rotating cylinder (14) and is arranged inside the kettle body (1), a plurality of heating rods (3) for heating the silicon dioxide auxiliary agent raw material inside the kettle body (1) are horizontally installed in a circular array at the lower end of the side wall of the sliding rod (21), and a guide heat transfer plate (4) for stirring the reaction mixture inside the kettle body (1) is obliquely installed on the side wall of the heating rod (3), a top plate (15) is horizontally installed at the upper end of the sliding rod (21) through the rotating cylinder (14), and an electric telescopic rod (16) is vertically installed on the side wall of the kettle body (1) near the two ends of the top plate (15), and the output ends of the electric telescopic rod (16) are installed on both sides of the lower end of the top plate (15).

3. The reaction kettle for producing corrosion-resistant silica additive according to claim 2, characterized in that: A triangular rib plate is provided at the connection between the heating rod (3) and the sliding rod (21) for stably connecting the heating rod (3) and the sliding rod (21).

4. The reaction kettle for producing corrosion-resistant silica additive according to claim 2, characterized in that: The cleaning mechanism comprises a plurality of first fixing rods (18) corresponding to the heating rods (3) one by one. The first fixing rods (18) are horizontally mounted on the inner wall of the kettle body (1) above the feeding pipe (20) in a circular array. The first fixing rods (18) corresponding to each other are on the same vertical plane as the heating rods (3). The first fixing rods (18) are arranged above a fixing plate (6). The fixing plate (6) is provided with a slide groove (19) corresponding to the first fixing rods (18) one by one. The slide groove (19) and the first fixing rods (18) are parallel to each other and on the same vertical plane. An I-shaped slider (7) is slidably connected to the inner wall of the slide groove (19). A first connecting plate (8) is vertically mounted on the upper end of the I-shaped slider (7). The vertical plane where the first connecting plate (8) is located is perpendicular to the first fixing rod (18). The first connecting plate (8) is disposed on a vertical plane that is perpendicular to the first fixing rod (18). The connecting plate (8) is provided with a fixing through hole (29) for the first fixing rod (18) to pass through. A second connecting plate (26) is vertically installed at the lower end of the I-shaped slider (7). The vertical surface where the second connecting plate (26) is located is perpendicular to the heating rod (3). The second connecting plate (26) is provided with a cleaning hole (27) for the corresponding heating rod (3) and the heat transfer plate (4) to pass through. The lengths of the first fixing rod (18) and the heating rod (3) are both greater than half of the distance between the slide rod (21) and the inner wall of the kettle body (1). The lengths of the first fixing rod (18) and the heating rod (3) are both less than the distance between the slide rod (21) and the inner wall of the kettle body (1). A moving switching component for moving the first connecting plate (8), the I-shaped slider (7) and the second connecting plate (26) is provided on the top of the kettle body (1).

5. The reaction kettle for producing corrosion-resistant silica additive according to claim 4, characterized in that: A guide groove for the outflow of the silica additive to be scraped off is provided on the side wall of the second connecting plate (26) near the center of the kettle body (1).

6. The reaction kettle for producing corrosion-resistant silica additive according to claim 4, characterized in that: The movable switching assembly comprises a rotating rod (11) corresponding to the slide groove (19) one by one, the rotating rod (11) and the slide groove (19) are parallel to each other, the rotating rod (11) is horizontally arranged above the slide groove (19), one end of the rotating rod (11) is rotatably connected to the inner wall of the kettle body (1), and the end of the rotating rod (11) away from the inner wall of the kettle body (1) is rotatably connected to a support plate (13) for supporting the rotating rod (11), a screw rod (12) is installed on the side wall of the rotating rod (11), and the side wall of the screw rod (12) is rotatably connected to a moving block (10) through a thread, the upper end of the moving block (10) slides along the top of the kettle body (1), and the lower end of the moving block (10) is installed with a clamping frame (9) for clamping the first connecting plate (8), and the rotating cylinder (14) is provided with a driving assembly for simultaneously driving all the rotating rods (11) to rotate.

7. The reaction kettle for producing corrosion-resistant silica additive according to claim 6, characterized in that: A ball bearing is mounted on the upper end of the moving block (10) to facilitate the moving block (10) to move along the top of the kettle body (1), and the ball bearing is tightly attached to the top of the kettle body (1).

8. The reaction kettle for producing corrosion-resistant silica additive according to claim 6, characterized in that: The driving assembly comprises a second bevel gear (28), which is mounted on the side wall of a rotating cylinder (14) inside the kettle body (1); an end of the rotating rod (11) close to the sliding rod (21) passes through a support plate (13) and is mounted with a first bevel gear (17) for use with the second bevel gear (28); the first bevel gear (17) and the second bevel gear (28) are meshed with each other; a gear ring (24) is mounted on the side wall of the rotating cylinder (14) above the kettle body (1); a motor (22) is mounted on the upper end of the kettle body (1); a gear (23) for use with the gear ring (24) is mounted on the output end of the motor (22); the gear (23) and the gear ring (24) are meshed with each other.

9. The reaction kettle for producing corrosion-resistant silica additive according to claim 1, characterized in that: A heat insulating layer for heat insulation and heat preservation is arranged inside the side wall of the kettle body (1).

10. The reaction kettle for producing corrosion-resistant silica additive according to claim 1, characterized in that: A baffle (5) is installed at the lower end of the side wall of the fixing plate (6) to prevent the scraped silicon dioxide additive from splashing.

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