Stirring device for diaminodiphenyl ether sublimation process

Abstract

The utility model belongs to the technical field of diaminodiphenyl ether sublimation process equipment, and particularly relates to a stirring device for a diaminodiphenyl ether sublimation process, which comprises a sublimation tank, a driving motor mounted on the upper end face of the sublimation tank, a rotating shaft fixedly connected to the output end of the driving motor, and a cylinder fixedly connected to the lower end face of the rotating shaft. A supporting plate is fixedly connected to the bottom end of the inner wall of the sublimation tank, a supporting rod is fixedly connected to the upper end face of the supporting plate, a cylinder bottom is fixedly connected to the upper end face of the supporting rod, two first connecting shafts are rotationally connected to the interior of the cylinder, first bevel gears are fixedly connected to the opposite ends of the two first connecting shafts, and a second bevel gear is fixedly connected to the upper end face of the cylinder bottom. Under the cooperation of the driving motor, the rotating shaft, the cylinder, the cylinder bottom, the first connecting shaft, the first bevel gear, the second bevel gear, the turntable, the sliding rod, the sleeve, the second connecting shaft, the U-shaped plate and the third connecting shaft, the stirring blades can be driven to swing up and down while rotating, so that raw materials are stirred more thoroughly, and the sublimation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of diaminodiphenyl ether sublimation process equipment, in particular to a stirring device for the diaminodiphenyl ether sublimation process. Background Art

[0002] Diaminodiphenyl ether is a pharmaceutical intermediate used in the manufacture of heat-resistant plastics such as polyimide resins, polymaleimide resins, polyamide-imide resins, polyester-imide resins, epoxy resins, and polyurethanes. It is also used as a crosslinking agent. It can be produced by condensing p-nitrochlorobenzene, p-nitrophenol, and soda ash in a nitrobenzene solution using potassium chloride as a catalyst, followed by reduction with iron powder in an aqueous medium using ammonium chloride as a catalyst. It can also be produced by condensing p-nitrochlorobenzene, soda ash, and sodium nitrite in an organic solvent, followed by solvent removal and hydrogenation reduction.

[0003] Crude diaminodiphenyl ether is purified through a sublimation process to obtain refined diaminodiphenyl ether. This sublimation process requires a sublimator. Conventional reactor sublimators equipped with a stirring device and heating coils are typically used. These stirring devices agitate the raw materials to accelerate sublimation. However, existing stirring devices used in diaminodiphenyl ether sublimation processes typically only stir the raw materials through the rotation of stirring blades, resulting in poor stirring performance. Summary of the Invention

[0004] The utility model provides a stirring device for a diaminodiphenyl ether sublimation process. The stirring blades rotate and swing up and down to stir the raw materials, so that the raw materials are stirred more thoroughly, the stirring effect is improved, and the sublimation efficiency is improved.

[0005] The utility model is achieved in this way: a stirring device for a diaminodiphenyl ether sublimation process comprises a sublimation tank, the upper end surface of the sublimation tank is equipped with a driving motor, the output end of the driving motor extends to the interior of the sublimation tank and is fixedly connected to a rotating shaft, the lower end surface of the rotating shaft is fixedly connected to a cylinder, the bottom end of the inner wall of the sublimation tank is fixedly connected to a support plate, the upper end surface of the support plate is fixedly connected to a support rod, the upper end surface of the support rod is fixedly connected to a cylinder bottom, the cylinder bottom matches the cylinder and is rotatably connected, the interior of the cylinder is rotatably connected to two symmetrically distributed first connecting shafts, the opposite ends of the two first connecting shafts are fixedly connected to a first bevel gear, and the cylinder bottom is fixedly connected to a support plate. The upper end face is fixedly connected to the second bevel gear, and the two first bevel gears are meshed with the second bevel gear, and the opposite ends of the two first connecting shafts are fixedly connected to a turntable, and the interiors of the two turntables are slidably connected to sliding rods, and the outer walls of the two sliding rods are fixedly connected to sleeves, and the outer wall of the cylinder is fixedly connected to four symmetrically distributed ear plates, and the two ear plates on the same side are fixedly connected to the second connecting shaft, and the outer walls of the two second connecting shafts are rotatably connected to U-shaped plates, and the outer walls of the two U-shaped plates opposite to each other are fixedly connected to stirring blades, and the inner walls of the two U-shaped plates are fixedly connected to the third connecting shaft, and the two sleeves are slidably connected to the two third connecting shafts respectively.

[0006] In order to facilitate the collection of the condensed liquid, as a preferred stirring device for the diaminodiphenyl ether sublimation process of the present invention, a crystallization box is provided at the top end of the sublimation tank.

[0007] In order to facilitate feeding and slag discharge, as a preferred stirring device for a diaminodiphenyl ether sublimation process of the present invention, the outer wall of the sublimation tank is provided with a feeding pipe, and the lower end of the sublimation tank is provided with a slag discharge port.

[0008] In order to facilitate discharging, as a preferred stirring device for a diaminodiphenyl ether sublimation process of the present invention, the outer wall of the sublimation tank is provided with a discharging pipe, and the discharging pipe is connected to the crystallization box.

[0009] In order to prevent the first connecting shaft from sliding, as a preferred stirring device for diaminodiphenyl ether sublimation process of the present invention, the outer walls of the two first connecting shafts are fixedly connected to the limiting disk, and the interior of the cylinder is provided with two limiting grooves matching the limiting disk.

[0010] In order to facilitate the control of the present invention, as a preferred stirring device for a diaminodiphenyl ether sublimation process of the present invention, the outer wall of the sublimation tank is provided with a controller, and the driving motor is electrically connected to the controller.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The utility model can drive the stirring blade to swing up and down while rotating through the cooperation of a driving motor, a rotating shaft, a cylinder, a supporting plate, a supporting rod, a cylinder bottom, a first connecting shaft, a first bevel gear, a second bevel gear, a rotating disk, a sliding rod, a sleeve, a second connecting shaft, a U-shaped plate and a third connecting shaft, so that the stirring blade can be more thoroughly stirred for the raw materials, thereby improving the sublimation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0016] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure at A in the middle;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the stirring blade of the present invention.

[0018] In the figure: 1. Sublimation tank; 2. Driving motor; 3. Rotating shaft; 4. Cylinder; 5. Support plate; 6. Support rod; 7. Cylinder bottom; 8. First connecting shaft; 9. First bevel gear; 10. Second bevel gear; 11. Turntable; 12. Ear plate; 13. Second connecting shaft; 14. U-shaped plate; 15. Sliding rod; 16. Sleeve; 17. Third connecting shaft; 18. Stirring blade; 19. Crystallization box; 20. Feed pipe; 21. Slag discharge port; 22. Discharge pipe; 23. Controller; 24. Limit plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] In the description of the present invention, it should be understood that the terms "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

[0021] See also Figure 1-4 A stirring device for a diaminodiphenyl ether sublimation process includes a sublimation tank 1, a driving motor 2 is installed on the upper end surface of the sublimation tank 1, the output end of the driving motor 2 extends to the interior of the sublimation tank 1 and is fixedly connected to a rotating shaft 3, the lower end surface of the rotating shaft 3 is fixedly connected to a cylinder 4, the bottom end of the inner wall of the sublimation tank 1 is fixedly connected to a support plate 5, the upper end surface of the support plate 5 is fixedly connected to a support rod 6, the upper end surface of the support rod 6 is fixedly connected to a cylinder bottom 7, the cylinder bottom 7 matches the cylinder 4 and is rotatably connected, the interior of the cylinder 4 is rotatably connected to two symmetrically distributed first connecting shafts 8, the opposite ends of the two first connecting shafts 8 are fixedly connected to a first bevel gear 9, and the upper end surface of the cylinder bottom 7 is fixedly connected to a second bevel gear 10. The two first bevel gears 9 are meshed with the second bevel gear 10, and the opposite ends of the two first connecting shafts 8 are fixedly connected to the turntable 11, and the interior of the two turntables 11 is slidably connected to the slide rod 15, and the outer walls of the two slide rods 15 are fixedly connected to the sleeve 16. The outer wall of the cylinder 4 is fixedly connected to four symmetrically distributed ear plates 12, and the second connecting shaft 13 is fixedly connected between the two ear plates 12 on the same side. The outer walls of the two second connecting shafts 13 are rotatably connected to the U-shaped plate 14, and the outer walls of the two U-shaped plates 14 facing away from each other are fixedly connected to the stirring blades 18. The inner walls of the two U-shaped plates 14 are fixedly connected to the third connecting shaft 17, and the two sleeves 16 are slidably connected to the two third connecting shafts 17 respectively.

[0022] In this embodiment: the drive motor 2 is started, and the output end of the drive motor 2 drives the rotating shaft 3 to rotate, thereby driving the cylinder 4 to rotate, and then driving the stirring blade 18 to rotate through the ear plate 12, the second connecting shaft 13 and the U-shaped plate 14. When the cylinder 4 rotates, it drives the two first connecting shafts 8 to revolve around the rotating shaft 3 as the axis, thereby driving the two first bevel gears 9 to revolve around the rotating shaft 3 as the axis. When the two first bevel gears 9 revolve around the rotating shaft 3 as the axis, they roll along the second bevel gear 10, driving the two first connecting shafts 8 to rotate, thereby driving the two turntables 11 to rotate, and then driving the U-shaped plate 14 to swing up and down along the second connecting shaft 13 through the slide rod 15, the sleeve 16 and the third connecting shaft 17, thereby driving the stirring blade 18 to swing up and down along the second connecting shaft 13, so that the stirring blade 18 swings up and down while rotating, making the stirring more thorough, thereby improving the sublimation efficiency.

[0023] As a technical optimization solution of the present invention, a crystallization box 19 is provided at the inner top of the sublimation tank 1 .

[0024] In this embodiment, the raw material in the sublimation tank 1 is sublimated after being heated, and the sublimated raw material rises to the top of the sublimation tank 1 and enters the crystallization box 19 after being condensed and liquefied.

[0025] As a technical optimization solution of the present invention, a feed pipe 20 is provided on the outer wall of the sublimation tank 1 , and a slag discharge port 21 is provided at the lower end of the sublimation tank 1 .

[0026] In this embodiment, a feeding pipe 20 is provided on the outer wall of the sublimation tank 1 to facilitate feeding; and a slag discharge port 21 is provided at the lower end of the sublimation tank 1 to facilitate slag discharge.

[0027] As a technical optimization solution of the present invention, a discharge pipe 22 is provided on the outer wall of the sublimation tank 1 , and the discharge pipe 22 is connected to the crystallization box 19 .

[0028] In this embodiment, a discharge pipe 22 is provided on the outer wall of the sublimation tank 1 and is connected to the crystallization box 19 , so that the material in the crystallization box 19 can be discharged easily.

[0029] As a technical optimization solution of the present invention, the outer walls of the two first connecting shafts 8 are fixedly connected to the limit disks 24 , and the interior of the cylinder 4 is provided with two limit grooves matching the limit disks 24 .

[0030] In this embodiment, the first connecting shaft 8 is limited by the limiting plate 24 and the limiting groove, so as to prevent the first connecting shaft 8 from sliding.

[0031] As a technical optimization solution of the present invention, a controller 23 is provided on the outer wall of the sublimation tank 1 , and the driving motor 2 is electrically connected to the controller 23 .

[0032] In this embodiment, the utility model is controlled by the controller 23, which saves time and labor and improves the degree of automation.

[0033] The working principle and use process of the utility model are as follows: when in use, first, the raw materials are added into the sublimation tank 1 through the feeding pipe 20, and then the driving motor 2 is started. The output end of the driving motor 2 drives the rotating shaft 3 to rotate, thereby driving the cylinder 4 to rotate, and then driving the stirring blade 18 to rotate through the ear plate 12, the second connecting shaft 13 and the U-shaped plate 14. When the cylinder 4 rotates, it drives the two first connecting shafts 8 to revolve around the rotating shaft 3 as the axis, thereby driving the two first bevel gears 9 to revolve around the rotating shaft 3 as the axis. When the two first bevel gears 9 revolve around the rotating shaft 3 as the axis, they roll along the second bevel gear 10, driving the two first connecting shafts 8 to revolve around the rotating shaft 3 as the axis, and the two first bevel gears 9 ... The shaft 8 rotates, thereby driving the two turntables 11 to rotate, and then driving the U-shaped plate 14 to swing up and down along the second connecting shaft 13 through the slide rod 15, the sleeve 16 and the third connecting shaft 17, thereby driving the stirring blade 18 to swing up and down along the second connecting shaft 13, so that the stirring blade 18 swings up and down while rotating, making the stirring more thorough, thereby improving the sublimation efficiency; the raw material in the sublimation tank 1 is sublimated after heating, and the sublimated raw material rises to the top of the sublimation tank 1 and enters the crystallization box 19 after condensation and liquefaction, and is finally discharged through the discharge pipe 22; after sublimation, the residue in the sublimation tank 1 can be discharged through the slag discharge port 21.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A stirring device for a diaminodiphenyl ether sublimation process, comprising a sublimation tank (1), characterized in that: The upper end surface of the sublimation tank (1) is provided with a driving motor (2), the output end of the driving motor (2) extends to the interior of the sublimation tank (1) and is fixedly connected to a rotating shaft (3), the lower end surface of the rotating shaft (3) is fixedly connected to a cylinder (4), the lower end of the inner wall of the sublimation tank (1) is fixedly connected to a support plate (5), the upper end surface of the support plate (5) is fixedly connected to a support rod (6), the upper end surface of the support rod (6) is fixedly connected to a cylinder bottom (7), the cylinder bottom (7) matches and is rotatably connected to the cylinder (4), the interior of the cylinder (4) is rotatably connected to two symmetrically distributed first connecting shafts (8), the opposite ends of the two first connecting shafts (8) are fixedly connected to a first bevel gear (9), the upper end surface of the cylinder bottom (7) is fixedly connected to a second bevel gear (10), the two first bevel gears (9) are fixedly connected to the second bevel gear (10), and the two first bevel gears (9) are fixedly connected to the second bevel gear (10). ) are meshed and connected with the second bevel gear (10), the opposite ends of the two first connecting shafts (8) are fixedly connected with a turntable (11), the interiors of the two turntables (11) are slidably connected with a slide bar (15), the outer walls of the two slide bars (15) are fixedly connected with a sleeve (16), the outer wall of the cylinder (4) is fixedly connected with four symmetrically distributed ear plates (12), the two ear plates (12) located on the same side are fixedly connected with a second connecting shaft (13), the outer walls of the two second connecting shafts (13) are rotatably connected with a U-shaped plate (14), the opposite outer walls of the two U-shaped plates (14) are fixedly connected with a stirring blade (18), the inner walls of the two U-shaped plates (14) are fixedly connected with a third connecting shaft (17), and the two sleeves (16) are slidably connected to the two third connecting shafts (17) respectively.

2. A stirring device for a diaminodiphenyl ether sublimation process according to claim 1, characterized in that: A crystallization box (19) is provided at the inner top of the sublimation tank (1).

3. A stirring device for a diaminodiphenyl ether sublimation process according to claim 1, characterized in that: The outer wall of the sublimation tank (1) is provided with a feed pipe (20), and the lower end of the sublimation tank (1) is provided with a slag discharge port (21).

4. A stirring device for a diaminodiphenyl ether sublimation process according to claim 2, characterized in that: The outer wall of the sublimation tank (1) is provided with a discharge pipe (22), and the discharge pipe (22) is communicated with the crystallization box (19).

5. The stirring device for a diaminodiphenyl ether sublimation process according to claim 1, characterized in that: The outer walls of the two first connecting shafts (8) are fixedly connected to the limiting disk (24), and the interior of the cylinder (4) is provided with two limiting grooves matching the limiting disk (24).

6. The stirring device for diaminodiphenyl ether sublimation process according to claim 1, characterized in that: A controller (23) is provided on the outer wall of the sublimation tank (1), and the driving motor (2) is electrically connected to the controller (23).

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