High-speed cutting hydrogenation device for diaminodiphenyl ether production
By using a combination of axial flow fan blades and stirring fan blades in the diaminodiphenyl ether production device, the problem of uneven mixing of hydrogen and materials is solved, and more efficient hydrogenation effect and uniform mixing of materials are achieved.
Patent Information
- Application Number
- CN202422421671.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-10-08
AI Technical Summary
In the production process of diaminodiphenyl ether in the existing hydrogenation device, hydrogen gas and material are not mixed sufficiently, resulting in unsatisfactory hydrogenation effect, and the material is prone to precipitation at the bottom of the mixing tank and the mixing is uneven.
The combination of axial flow fan blades, the first drive motor, the shaft rod and the mixing fan blade is adopted to achieve full mixing of hydrogen and materials by cutting hydrogen bubbles at high speed and preventing material precipitation.
It improves the mixing uniformity between hydrogen and materials, enhances the hydrogenation effect, prevents material precipitation, and ensures a more complete reaction.
Smart Images

Figure CN223128052U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of diaminodiphenyl ether production equipment, and particularly relates to a high-speed cutting hydrogenation device for diaminodiphenyl ether production. Background Art
[0002] Diaminodiphenyl ether is an organic chemical drug, abbreviated as ODA, with the chemical formula C12H12N2O. It is mainly used as a raw material and crosslinking agent for polyimide resin, polyamide resin, and epoxy resin. It can be prepared by condensing p-nitrochlorobenzene, p-nitrophenol, and soda ash in a nitrobenzene solution using potassium chloride as a catalyst, and then reducing it with iron powder using ammonium chloride as a catalyst in an aqueous medium; it can also be prepared by condensing p-nitrochlorobenzene, soda ash, and sodium nitrite in an organic solvent, and then removing the solvent and hydrogenating and reducing it. A hydrogenation device is used in the hydrogenation reduction reaction process.
[0003] During the production and preparation of diaminodiphenyl ether, when using the existing hydrogenation device for hydrogenation, hydrogen is introduced in the form of bubbles, which easily leads to insufficient mixing of hydrogen and the material; and when the existing hydrogenation device is hydrogenating, some materials will precipitate to the bottom of the mixing tank, resulting in uneven mixing of hydrogen and the material, and the hydrogenation effect is not ideal enough. Summary of the Invention
[0004] In order to solve the problems in the above background art, the utility model provides a high-speed cutting hydrogenation device for diaminodiphenyl ether production. By setting an axial flow fan blade, a first driving motor, a shaft rod, and a stirring fan blade, during use, the hydrogen bubbles can be cut at a high speed, thereby eliminating the bubbles and preventing the material from precipitating, so that hydrogen and the material can be stirred more fully and can be mixed evenly.
[0005] The utility model is realized as follows: A high-speed cutting hydrogenation device for diaminodiphenyl ether production includes a flat plate. The upper end surface of the flat plate is fixedly connected with a mixing tank. The upper end surface of the flat plate is fixedly connected with a support frame located behind the mixing tank. The front end surface of the support frame is provided with a T-shaped sliding groove. A T-shaped sliding block is slidably connected inside the T-shaped sliding groove. One end of the T-shaped sliding block extends outside the T-shaped sliding groove and is fixedly connected with a mounting block. A first driving motor is installed inside the mounting block. The output end of the first driving motor is fixedly connected with a shaft rod. One end of the shaft rod penetrates through the upper end surface of the mixing tank and extends into the mixing tank. A plurality of stirring fan blades distributed in an array and located inside the mixing tank are fixedly connected to the outer wall of the shaft rod;
[0006] The upper end surface of the mixing tank is communicated with an air inlet pipe. An axial flow fan blade is rotatably connected inside the air inlet pipe through a support. The upper end surface of the flat plate is fixedly connected with an air storage tank located on the left side of the mixing tank. An air pump is installed inside the air storage tank. The air pump is communicated with the air inlet pipe through an air vent pipe.
[0007] In order to rotate the spiral blade, as an optimization of the high-speed cutting hydrogenation device for the production of diaminodiphenyl ether of the present utility model, a rotating shaft is rotatably connected inside the mixing tank, a spiral blade is fixedly connected to the outer wall of the rotating shaft, a second driving motor is installed on the outer wall of the mixing tank, and the output end of the second driving motor penetrates the outer wall of the mixing tank and is fixedly connected to the rotating shaft.
[0008] In order to enable the T-shaped slider to move up and down, as an optimization of the high-speed cutting hydrogenation device for the production of diaminodiphenyl ether of the present utility model, an electric telescopic rod is installed between the support frame and the T-shaped slider.
[0009] In order to stir the materials more fully, as an optimization of the high-speed cutting hydrogenation device for the production of diaminodiphenyl ether of the present utility model, the stirring fan blades are arranged in a curved surface, and leakage holes are formed on the side walls of the stirring fan blades.
[0010] In order to improve the sealing performance of the mixing tank, as an optimization of the high-speed cutting hydrogenation device for the production of diaminodiphenyl ether of the present utility model, a sealing ring is installed at the connection between the mixing tank and the shaft rod.
[0011] In order to facilitate the entry and exit of materials, as an optimization of the high-speed cutting hydrogenation device for the production of diaminodiphenyl ether of the present utility model, a feed pipe is connected to the upper end surface of the mixing tank, a discharge pipe is connected to the outer wall of the mixing tank, and a valve is installed inside the discharge pipe.
[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0013] When the present utility model is in use, hydrogen in the gas storage tank is pumped out by an air pump and enters the inlet pipe through the ventilation pipeline. Since the delivery of hydrogen into the mixing tank will drive the axial flow fan blades to rotate automatically, the hydrogen bubbles can be cut at high speed, thereby eliminating the bubbles; the output end of the electric telescopic rod drives the T-shaped slider to move up and down inside the T-shaped chute, so that the mounting block drives the first driving motor to move up and down, thereby enabling the shaft rod to drive the stirring fan blades to move up and down inside the mixing tank. At the same time, the output end of the first driving motor drives the shaft rod to rotate, so that the stirring fan blades rotate in the mixing tank, further cutting the hydrogen bubbles at high speed, mixing the hydrogen and the materials evenly, and thus improving the hydrogenation effect.
[0014] When the second driving motor of the present utility model works, the output end of the second driving motor drives the rotating shaft to rotate, thereby driving the spiral blade to rotate, which can prevent the materials inside the mixing tank from settling to the bottom, enabling the hydrogen to be fully mixed with the materials, and further improving the hydrogenation effect. Description of the Drawings
[0015] To more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0017] Figure 2 is a sectional three-dimensional structural schematic diagram of the present utility model;
[0018] Figure 3 is the present utility model Figure 2 an enlarged structural schematic diagram of part A in.
[0019] In the figure: 1, flat plate; 2, mixing tank; 3, support frame; 4, T-shaped chute; 5, electric telescopic rod; 6, T-shaped slider; 7, mounting block; 8, first driving motor; 9, shaft rod; 10, stirring fan blade; 11, leakage hole; 12, sealing ring; 13, rotating shaft; 14, spiral blade; 15, second driving motor; 16, air inlet pipe; 17, axial flow fan blade; 18, air storage tank; 19, air pump; 20, ventilation pipeline. Detailed implementation manners
[0020] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the following further details the present utility model in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0021] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, in the description of the present utility model, "a plurality of" means two or more, unless otherwise specifically defined.
[0022] Please refer to Figures 1-3, A high-speed cutting and hydrogenation device for the production of diaminodiphenyl ether, comprising a flat plate 1. The upper end surface of the flat plate 1 is fixedly connected with a mixing tank 2. The upper end surface of the flat plate 1 is fixedly connected with a support frame 3 located behind the mixing tank 2. A T-shaped sliding groove 4 is formed on the front end surface of the support frame 3. A T-shaped sliding block 6 is slidably connected inside the T-shaped sliding groove 4. One end of the T-shaped sliding block 6 extends outside the T-shaped sliding groove 4 and is fixedly connected with a mounting block 7. A first driving motor 8 is installed inside the mounting block 7. The output end of the first driving motor 8 is fixedly connected with a shaft rod 9. One end of the shaft rod 9 penetrates through the upper end surface of the mixing tank 2 and extends into the mixing tank 2. A plurality of stirring fan blades 10 distributed in an array are fixedly connected to the outer wall of the shaft rod 9 and are located inside the mixing tank 2;
[0023] The upper end surface of the mixing tank 2 is communicated with an air inlet pipe 16. An axial flow fan blade 17 is rotatably connected inside the air inlet pipe 16 through a bracket. The upper end surface of the flat plate 1 is fixedly connected with an air storage tank 18 located on the left side of the mixing tank 2. An air pump 19 is installed inside the air storage tank 18. The air pump 19 is communicated with the air inlet pipe 16 through an air vent pipe 20.
[0024] In this embodiment: The hydrogen gas inside the air storage tank 18 is pumped out by the air pump 19 and enters the air inlet pipe 16 through the air vent pipe 20. Since the hydrogen gas transported in the mixing tank 2 will drive the axial flow fan blade 17 to rotate, the hydrogen gas bubbles can be cut at high speed, thereby eliminating the bubbles;
[0025] The output end of the electric telescopic rod 5 drives the T-shaped sliding block 6 to move up and down inside the T-shaped sliding groove 4, so that the mounting block 7 drives the first driving motor 8 to move up and down, thereby enabling the shaft rod 9 to drive the stirring fan blades 10 to move up and down inside the mixing tank 2. At the same time, the first driving motor 8 works. The output end of the first driving motor 8 drives the shaft rod 9 to rotate, so that the stirring fan blades 10 rotate in the mixing tank 2, further cutting the hydrogen gas bubbles at high speed, mixing the hydrogen gas and the material evenly, and improving the hydrogenation effect.
[0026] As a technical optimization scheme of the present utility model, a rotating shaft 13 is rotatably connected inside the mixing tank 2. A spiral blade 14 is fixedly connected to the outer wall of the rotating shaft 13. A second driving motor 15 is installed on the outer wall of the mixing tank 2. The output end of the second driving motor 15 penetrates through the outer wall of the mixing tank 2 and is fixedly connected with the rotating shaft 13.
[0027] In this embodiment: When the second driving motor 15 works, the output end of the second driving motor 15 drives the rotating shaft 13 to rotate, thereby driving the spiral blade 14 to rotate, which can prevent the material inside the mixing tank 2 from settling to the bottom, enabling the hydrogen gas and the material to be fully mixed, and further improving the hydrogenation effect.
[0028] As a technical optimization scheme of the present utility model, an electric telescopic rod 5 is installed between the support frame 3 and the T-shaped sliding block 6.
[0029] In this embodiment: The output end of the electric telescopic rod 5 drives the T-shaped slider 6 to move up and down inside the T-shaped chute 4, making the operation more convenient.
[0030] As a technical optimization solution of the present utility model, the stirring fan blade 10 is set as a curved surface, and leakage holes 11 are provided on the side wall of the stirring fan blade 10.
[0031] In this embodiment: By setting the stirring fan blade 10 as a curved surface, the stirring fan blade 10 can stir more materials at one time. Through the leakage holes 11, the stirring fan blade 10 cuts the bubbles, so that the hydrogen is mixed with the materials more evenly.
[0032] As a technical optimization solution of the present utility model, a sealing ring 12 is installed at the connection between the mixing tank 2 and the shaft rod 9.
[0033] In this embodiment: By installing the sealing ring 12 at the connection between the mixing tank 2 and the shaft rod 9, the sealing effect of the mixing tank 2 is improved.
[0034] As a technical optimization solution of the present utility model, a feed pipe is communicated with the upper end surface of the mixing tank 2, a discharge pipe is communicated with the outer wall of the mixing tank 2, and a valve is installed inside the discharge pipe.
[0035] In this embodiment: Through the feed pipe, it is convenient to add raw materials into the mixing tank 2. Through the valve, it is convenient to control the discharged mixture through the discharge pipe.
[0036] The working principle and usage process of the present utility model: First, raw materials are added into the mixing tank 2 through the feed pipe. Then, hydrogen in the gas storage tank 18 is pumped out by the air pump 19 and enters the intake pipe 16 through the ventilation pipeline 20. Since the hydrogen is transported into the mixing tank 2, it will drive the axial flow fan blade 17 to rotate, and the hydrogen bubbles can be cut at high speed, thus eliminating the bubbles.
[0037] Then, the output end of the electric telescopic rod 5 drives the T-shaped slider 6 to move up and down inside the T-shaped chute 4, so that the mounting block 7 drives the first driving motor 8 to move up and down, thereby making the shaft rod 9 drive the stirring fan blade 10 to move up and down inside the mixing tank 2. At the same time, the first driving motor 8 works, and the output end of the first driving motor 8 drives the shaft rod 9 to rotate, so that the stirring fan blade 10 rotates in the mixing tank 2, further cutting the hydrogen bubbles at high speed, mixing the hydrogen and the materials evenly, and improving the hydrogenation effect.
[0038] The second driving motor 15 works, and the output end of the second driving motor 15 drives the rotating shaft 13 to rotate, thereby driving the spiral blade 14 to rotate, which can prevent the materials inside the mixing tank 2 from settling to the bottom, making the hydrogen fully mixed with all the materials, and further improving the hydrogenation effect.
[0039] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A high-speed cutting and hydrogenation device for the production of diaminodiphenyl ether, comprising a flat plate (1), characterized in that: The upper end surface of the flat plate (1) is fixedly connected with a mixing tank (2). The upper end surface of the flat plate (1) is fixedly connected with a support frame (3) located behind the mixing tank (2). A T-shaped sliding groove (4) is formed on the front end surface of the support frame (3). A T-shaped sliding block (6) is slidably connected inside the T-shaped sliding groove (4). One end of the T-shaped sliding block (6) extends outside the T-shaped sliding groove (4) and is fixedly connected with a mounting block (7). A first driving motor (8) is installed inside the mounting block (7). The output end of the first driving motor (8) is fixedly connected with a shaft rod (9). One end of the shaft rod (9) penetrates through the upper end surface of the mixing tank (2) and extends into the mixing tank (2). A plurality of stirring fan blades (10) distributed in an array are fixedly connected to the outer wall of the shaft rod (9) and are located inside the mixing tank (2). An air inlet pipe (16) is communicated with the upper end surface of the mixing tank (2). An axial flow fan blade (17) is rotatably connected inside the air inlet pipe (16) through a bracket. The upper end surface of the flat plate (1) is fixedly connected with an air storage tank (18) located on the left side of the mixing tank (2). An air pump (19) is installed inside the air storage tank (18). The air pump (19) is communicated with the air inlet pipe (16) through an air vent pipe (20).
2. The high-speed cutting and hydrogenation device for the production of diaminodiphenyl ether according to claim 1, wherein: A rotating shaft (13) is rotatably connected inside the mixing tank (2). A spiral blade (14) is fixedly connected to the outer wall of the rotating shaft (13). A second driving motor (15) is installed on the outer wall of the mixing tank (2). The output end of the second driving motor (15) penetrates through the outer wall of the mixing tank (2) and is fixedly connected with the rotating shaft (13).
3. The high-speed cutting and hydrogenation device for the production of diaminodiphenyl ether according to claim 1, wherein: An electric telescopic rod (5) is installed between the support frame (3) and the T-shaped sliding block (6).
4. The high-speed cutting and hydrogenation device for the production of diaminodiphenyl ether according to claim 1, characterized in that: The stirring fan blades (10) are arranged in a curved surface, and leakage holes (11) are formed on the side walls of the stirring fan blades (10).
5. The high-speed cutting and hydrogenation device for the production of diaminodiphenyl ether according to claim 1, characterized in that: A sealing ring (12) is installed at the connection between the mixing tank (2) and the shaft rod (9).
6. The high-speed cutting and hydrogenation device for the production of diaminodiphenyl ether according to claim 1, wherein: A feed pipe is communicated with the upper end surface of the mixing tank (2), and a discharge pipe is communicated with the outer wall of the mixing tank (2). A valve is installed inside the discharge pipe.