A defoaming device for a degassing kettle
By using a servo motor-driven bevel gear system and a defoaming net device adjusted by a lifting cylinder in the degassing kettle, the problem of bubbles during the degassing process of carboxylated styrene-butadiene latex was solved, improving the degassing efficiency and defoaming effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HANGZHOU LONGJU SYNTHETIC MATERIAL CO LTD
- Filing Date
- 2025-08-05
- Publication Date
- 2026-07-14
AI Technical Summary
Carboxylated styrene-butadiene latex is prone to generating bubbles during the degassing process, which affects work efficiency.
The degassing tank defoaming device uses a bevel gear system driven by a servo motor to rotate the stirring rod, stirring blades and defoaming net. The defoaming net rotates in the opposite direction to eliminate bubbles. At the same time, the height of the defoaming net is adjusted by a lifting cylinder to adapt to different liquid levels.
It effectively eliminates air bubbles, improves degassing efficiency, adapts to different liquid levels, and enhances the defoaming effect.
Smart Images

Figure CN224486027U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of degassing reactor technology, specifically to a defoaming device for a degassing reactor. Background Technology
[0002] Carboxylated styrene-butadiene latex is a copolymer produced by emulsion polymerization of butadiene, styrene, a small amount of carboxylic acid, and other additives. It is a milky white aqueous dispersion with a bluish-purple luster. With a high proportion of bound styrene, it exhibits high adhesive strength and film strength, good mechanical and chemical stability, excellent flowability and storage stability, and a large filler capacity. It contains very little residual benzene monomers, making it an environmentally friendly product. The degassing reactor is a crucial piece of equipment in the production process of carboxylated styrene-butadiene latex.
[0003] During the degassing process of carboxylated styrene-butadiene latex in the degassing kettle, bubbles are easily generated due to incomplete reaction and other reasons, which seriously affects the working efficiency of degassing carboxylated styrene-butadiene latex.
[0004] Therefore, it is necessary to invent a degassing defoaming device to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to provide a degassing device for a degassing vessel to solve the problem that bubbles are easily generated during the degassing process of carboxylated styrene-butadiene latex, which affects work efficiency.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a degassing kettle defoaming device, comprising a degassing kettle body, a feed pipe fixedly connected to the side of the degassing kettle body, a discharge pipe fixedly connected to the bottom of the degassing kettle body, an exhaust pipe fixedly connected to the upper end of the degassing kettle body, and a defoaming component arranged inside the degassing kettle body, the defoaming component comprising a mounting base, a servo motor, a first bevel gear, a positioning sleeve, a positioning shaft, a connecting shaft, a second bevel gear, a support rod, a defoaming net, a stirring rod, a third bevel gear, and a stirring blade.
[0007] By adopting the above technical solution, the material is fed into the interior of the degassing vessel through the feed pipe. During the degassing process, the servo motor and the first bevel gear work together to drive the stirring rod, the third bevel gear and the stirring blade to rotate for degassing. At the same time, the second bevel gear drives the defoaming net to rotate around the stirring rod in the opposite direction, and then around the opposite direction of the material rotation, to perform defoaming treatment against the direction of bubble rotation.
[0008] Optionally, the mounting base is fixedly connected to the middle position of the upper end of the degassing vessel body, and an equipment housing is fixedly connected to the upper side of the mounting base. The servo motor is fixedly installed on the side of the equipment housing, and the first bevel gear is fixedly connected to the output end of the servo motor.
[0009] By adopting the above technical solution, the output end of the servo motor drives the first bevel gear to rotate.
[0010] Optionally, the positioning sleeve is fitted onto the outside of the positioning shaft, the surface of the positioning shaft is provided with multiple sets of limiting grooves, and the side of the positioning sleeve is fixedly connected with multiple sets of limiting blocks, the limiting blocks being slidably connected to the limiting grooves.
[0011] By adopting the above technical solution, the positioning sleeve slides up and down on the surface of the positioning shaft, and the limiting block and the limiting groove cooperate to limit the position of the positioning sleeve.
[0012] Optionally, the upper end of the connecting shaft is fixedly connected to the positioning shaft, the connecting shaft is rotatably connected to the mounting base, the second bevel gear is fixedly connected to the upper end of the connecting shaft, and the second bevel gear is meshed with the lower side of the first bevel gear.
[0013] By adopting the above technical solution, the first bevel gear rotates, driving the second bevel gear to rotate. The second bevel gear drives the connecting shaft and the positioning shaft to rotate, which in turn drives the positioning sleeve to rotate.
[0014] Optionally, multiple sets of support rods are fixedly connected to the side of the positioning sleeve, and defoaming nets are fixedly connected to the lower side of the support rods on both the left and right sides.
[0015] By adopting the above technical solution, the positioning sleeve rotates, which in turn drives the support rod to rotate, thereby driving the defoaming net to rotate.
[0016] Optionally, the ends of the multiple sets of support rods away from the positioning sleeve are fixedly connected to a ring-shaped positioning ring, and positioning grooves are provided on both the upper and lower surfaces of the positioning ring.
[0017] By adopting the above technical solution, the positioning ring rotates simultaneously during the rotation of the support rod.
[0018] Optionally, lifting cylinders are installed on both the front and rear sides of the upper end of the degassing vessel. A connecting rod is fixedly connected to the lower end of the piston rod in the lifting cylinder. Two sets of connecting blocks are fixedly connected to the side of the connecting rod. A positioning block is fixedly connected to the surface of the upper and lower sets of connecting blocks that are close to each other. The positioning block is slidably connected to the positioning groove.
[0019] By adopting the above technical solution, the output end of the lifting cylinder drives the connecting rod and the positioning block to move up and down, which in turn drives the positioning ring to move up and down, thereby adjusting the height of the defoaming net so that it can be used for liquid levels of different heights.
[0020] Optionally, the second bevel gear, the connecting shaft, and the positioning shaft are all provided with through holes. The stirring rod is rotatably connected to the through holes. The upper end of the stirring rod is fixedly connected to a third bevel gear, which meshes with the first bevel gear. The lower end of the stirring rod is fixedly connected to a stirring blade.
[0021] By adopting the above technical solution, the first bevel gear drives the third bevel gear to rotate, which in turn drives the stirring rod and stirring blade to rotate, thereby stirring the material.
[0022] The technical effects and advantages provided by this utility model in the above technical solution are as follows:
[0023] 1. In this utility model, the first bevel gear, the second bevel gear and the third bevel gear work together. When the servo motor drives the stirring rod and stirring blade to rotate, it will simultaneously drive the defoaming net to rotate, which will eliminate the bubbles generated during the degassing process. At the same time, the direction of rotation of the defoaming net is opposite to the direction of rotation of the bubbles, which makes it easier to eliminate the bubbles and further improve the defoaming effect.
[0024] 2. This utility model uses a lifting cylinder, connecting rod, connecting block and positioning block to drive the positioning ring to rise and fall, thereby adjusting the height of the defoaming net so that it can be used for liquid surfaces of different heights, further improving the defoaming effect. Attached Figure Description
[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0026] Figure 2 This is a schematic diagram of the internal structure of the present invention;
[0027] Figure 3 This is a schematic diagram of the defoaming component structure of this utility model;
[0028] Figure 4 This is a schematic diagram of the defoaming mesh structure of this utility model;
[0029] Figure 5 This is a schematic diagram of the positioning sleeve structure of this utility model;
[0030] Figure 6 This is a schematic diagram of the positioning block structure of this utility model.
[0031] Explanation of reference numerals in the attached figures:
[0032] 1. Degassing vessel body; 11. Feed pipe; 12. Discharge pipe; 13. Exhaust pipe; 2. Mounting base; 21. Equipment shell; 22. Servo motor; 23. First bevel gear; 3. Positioning sleeve; 31. Limiting block; 32. Positioning shaft; 33. Limiting groove; 34. Connecting shaft; 35. Second bevel gear; 36. Support rod; 37. Defoaming net; 38. Positioning ring; 39. Positioning groove; 4. Stirring rod; 41. Third bevel gear; 42. Stirring blade; 5. Lifting cylinder; 51. Connecting rod; 52. Connecting block; 53. Positioning block. Detailed Implementation
[0033] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.
[0034] This utility model provides, for example Figures 1 to 6 The degassing defoaming device shown includes a degassing vessel body 1, a feed pipe 11 fixedly connected to the side of the degassing vessel body 1, a discharge pipe 12 fixedly connected to the bottom of the degassing vessel body 1, an exhaust pipe 13 fixedly connected to the upper end of the degassing vessel body 1, and a defoaming component arranged inside the degassing vessel body 1. The defoaming component includes a mounting base 2, a servo motor 22, a first bevel gear 23, a positioning sleeve 3, a positioning shaft 32, a connecting shaft 34, a second bevel gear 35, a support rod 36, a defoaming net 37, a stirring rod 4, a third bevel gear 41, and a stirring blade 42.
[0035] During the feeding process, the material is fed into the degassing vessel 1 through the feed pipe 11. Then, the servo motor 22, the first bevel gear 23 and the third bevel gear 41 are started to drive the stirring rod 4 and the stirring blade 42 to rotate, which assists in degassing the material inside the degassing vessel 1. At the same time, the first bevel gear 23 and the second bevel gear 35 work together to drive the defoaming net 37 to rotate, thereby eliminating the bubbles generated during the degassing process.
[0036] See Figures 2 to 4 The mounting base 2 is fixedly connected to the middle of the upper end of the degassing vessel body 1. The upper side of the mounting base 2 is fixedly connected to the equipment shell 21. The servo motor 22 is fixedly installed on the side of the equipment shell 21. The first bevel gear 23 is fixedly connected to the output end of the servo motor 22. The second bevel gear 35, the connecting shaft 34 and the positioning shaft 32 are all provided with through holes. The stirring rod 4 is rotatably connected to the through holes. The upper end of the stirring rod 4 is fixedly connected to the third bevel gear 41. The third bevel gear 41 meshes with the first bevel gear 23. The lower end of the stirring rod 4 is fixedly connected to the stirring blade 42.
[0037] Specifically, the output of the servo motor 22 drives the first bevel gear 23 to rotate, the first bevel gear 23 drives the third bevel gear 41 to rotate, which in turn drives the stirring rod 4 and the stirring blade 42 to rotate, stirring the material and assisting the degassing vessel 1 in degassing the material.
[0038] See Figures 3 to 5 The positioning sleeve 3 is fitted on the outside of the positioning shaft 32. The surface of the positioning shaft 32 has multiple sets of limiting grooves 33. Multiple sets of limiting blocks 31 are fixedly connected to the side of the positioning sleeve 3. The limiting blocks 31 are slidably connected to the limiting grooves 33. The connecting shaft 34 is fixedly connected to the upper end of the positioning shaft 32. The connecting shaft 34 is rotatably connected to the mounting base 2. The second bevel gear 35 is fixedly connected to the upper end of the connecting shaft 34. The second bevel gear 35 is meshed with the lower side of the first bevel gear 23. Multiple sets of support rods 36 are fixedly connected to the side of the positioning sleeve 3. Defoaming nets 37 are fixedly connected to the lower side of the support rods 36 on both the left and right sides.
[0039] At the same time, the first bevel gear 23 drives the second bevel gear 35 to rotate. The second bevel gear 35 rotates in the opposite direction to the third bevel gear 41. The second bevel gear 35 drives the connecting shaft 34 and the positioning shaft 32 to rotate. The positioning shaft 32, together with the limiting block 31 and the limiting groove 33, drives the positioning sleeve 3 to rotate. The positioning sleeve 3 drives multiple sets of support rods 36 to rotate. The support rods 36 drive the defoaming net 37 to rotate, thereby eliminating bubbles.
[0040] As the stirring rod 4 and stirring blade 42 drive the material to rotate, the bubbles will rotate on the surface of the material. At this time, the defoaming net 37 will rotate in the opposite direction of the bubble rotation. The bubbles and the defoaming net 37 collide head-on, thereby better eliminating the bubbles and improving the defoaming effect.
[0041] See Figure 2 , Figure 3 and Figure 6 Multiple sets of support rods 36 are fixedly connected to annular positioning rings 38 at the ends away from the positioning sleeves 3. Positioning grooves 39 are provided on both the upper and lower surfaces of the positioning rings 38. Lifting cylinders 5 are installed on the front and rear sides of the upper end of the degassing vessel body 1. A connecting rod 51 is fixedly connected to the lower end of the piston rod in the lifting cylinder 5. Two sets of connecting blocks 52 are fixedly connected to the side of the connecting rod 51. Positioning blocks 53 are fixedly connected to the side surfaces of the two sets of connecting blocks 52 that are close to each other. The positioning blocks 53 are slidably connected to the positioning grooves 39.
[0042] In addition, during the degassing process, the lifting cylinder 5 pushes the piston rod outward according to the height of the liquid level. The piston rod pushes the connecting rod 51 and the positioning block 53 downward. The positioning block 53 pushes the positioning ring 38 downward, thereby causing the positioning sleeve 3 to slide downward on the surface of the positioning shaft 32. This adjusts the height of the defoaming net 37 so that it is in close contact with the material surface, eliminating the bubbles on the material surface. After the bubbles are eliminated, the defoaming net 37 can be moved upward to avoid affecting the degassing of the material and improve the degassing effect.
[0043] The working principle of this utility model is as follows: Through the cooperation of the first bevel gear 23, the second bevel gear 35, and the third bevel gear 41, the servo motor 22 drives the stirring rod 4 and the stirring blade 42 to rotate, simultaneously driving the defoaming net 37 to rotate. This eliminates the bubbles generated during the degassing process. Furthermore, the direction of rotation of the defoaming net 37 is opposite to the direction of bubble rotation, facilitating better defoaming and further improving the defoaming effect. Simultaneously, the lifting cylinder 5, connecting rod 51, connecting block 52, and positioning block 53 work together to drive the positioning ring 38 to rise and fall, thereby adjusting the height of the defoaming net 37 to accommodate liquid levels of different heights, further enhancing the defoaming effect.
[0044] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A degassing defoaming device for a degassing vessel, comprising a degassing vessel body (1), characterized in that: The degassing vessel body (1) is fixedly connected to a feed pipe (11) on its side, a discharge pipe (12) is fixedly connected to the bottom of the degassing vessel body (1), and an exhaust pipe (13) is fixedly connected to the upper end of the degassing vessel body (1). The degassing vessel body (1) is equipped with a defoaming component, which includes a mounting base (2), a servo motor (22), a first bevel gear (23), a positioning sleeve (3), a positioning shaft (32), a connecting shaft (34), a second bevel gear (35), a support rod (36), a defoaming net (37), a stirring rod (4), a third bevel gear (41), and a stirring blade (42).
2. The degassing and defoaming device for a degassing vessel according to claim 1, characterized in that: The mounting base (2) is fixedly connected to the middle of the upper end of the degassing vessel body (1). The upper side of the mounting base (2) is fixedly connected to the equipment housing (21). The servo motor (22) is fixedly installed on the side of the equipment housing (21). The first bevel gear (23) is fixedly connected to the output end of the servo motor (22).
3. The degassing and defoaming device for a degassing vessel according to claim 1, characterized in that: The positioning sleeve (3) is sleeved on the outside of the positioning shaft (32). The surface of the positioning shaft (32) has multiple sets of limiting grooves (33). Multiple sets of limiting blocks (31) are fixedly connected to the side of the positioning sleeve (3). The limiting blocks (31) are slidably connected to the limiting grooves (33).
4. The degassing and defoaming device for a degassing vessel according to claim 1, characterized in that: The connecting shaft (34) is fixedly connected to the upper end of the positioning shaft (32), the connecting shaft (34) is rotatably connected to the mounting base (2), the second bevel gear (35) is fixedly connected to the upper end of the connecting shaft (34), and the second bevel gear (35) is meshed with the lower side of the first bevel gear (23).
5. The degassing and defoaming device for a degassing vessel according to claim 1, characterized in that: The positioning sleeve (3) has multiple sets of support rods (36) fixedly connected to its side, and defoaming nets (37) are fixedly connected to the lower side of the support rods (36) on both the left and right sides.
6. The degassing and defoaming device for a degassing vessel according to claim 1, characterized in that: The support rods (36) of the multiple sets are fixedly connected to a ring-shaped positioning ring (38) at the end away from the positioning sleeve (3), and positioning grooves (39) are provided on the upper and lower surfaces of the positioning ring (38).
7. The degassing and defoaming device for a degassing autoclave according to claim 6, characterized in that: Lifting cylinders (5) are installed on both the front and rear sides of the upper end of the degassing vessel body (1). A connecting rod (51) is fixedly connected to the lower end of the piston rod in the lifting cylinder (5). Two sets of connecting blocks (52) are fixedly connected to the side of the connecting rod (51). A positioning block (53) is fixedly connected to the side surface of the two sets of connecting blocks (52) that are close to each other. The positioning block (53) is slidably connected to the positioning groove (39).
8. The degassing and defoaming device for a degassing vessel according to claim 1, characterized in that: The second bevel gear (35), the connecting shaft (34) and the positioning shaft (32) are all provided with through holes. The stirring rod (4) is rotatably connected to the through holes. The upper end of the stirring rod (4) is fixedly connected to the third bevel gear (41). The third bevel gear (41) meshes with the first bevel gear (23). The lower end of the stirring rod (4) is fixedly connected to the stirring blade (42).