Isopropylhydroxylamine synthesis reactor

Abstract

The utility model relates to the field of isopropyl hydroxylamine synthesis, and discloses an isopropyl hydroxylamine synthesis reactor, which comprises a tank body, the tank body is fixed inside an outer shell, the top surface of the tank body is connected with a sealing cover through a bolt, an output shaft of a driving motor is fixed with a rotating cylinder, a rotating shaft is movably arranged inside the rotating cylinder, and the rotating shaft is connected with the sealing cover through a bolt. Mounting boxes are fixed to the left side and the right side of the outer wall of the rotating shaft correspondingly, connecting plates are movably arranged in the two mounting boxes correspondingly, stirring frames are fixed to the outer sides of the two connecting plates correspondingly, and first bolts are in threaded connection with the interiors of the two first threaded holes correspondingly. According to the stirring device disclosed by the utility model, the distance between the stirring frame and the rotating shaft can be conveniently adjusted by a worker through the mounting box, the connecting plate, the first threaded groove and the first bolt, so that the stirring device can adapt to tank bodies with different sizes, the flexibility and practicability of the device are improved, and meanwhile, the stirring device can be conveniently disassembled and assembled by the worker and is convenient to clean or replace.

Description

Technical Field

[0001] The utility model relates to the technical field of isopropylhydroxylamine synthesis, in particular to an isopropylhydroxylamine synthesis reactor. Background Art

[0002] The molecular formula of N-isopropylhydroxylamine is (CH3)2CHNH(OH), which is a derivative of secondary alkylhydroxylamine and a medium-strength organic reducing agent. With its excellent physical and chemical properties, it is widely used as an inhibitor and terminal polymerization inhibitor for olefin monomers. Although traditional N, N-diethylhydroxylamine (DEHA) and its derivatives have high inhibition efficiency for conjugated olefins and vinyl monomers not only in the liquid phase, but also have good inhibition performance in the gas phase. As an inhibitor, it has the advantages of high efficiency, non-toxicity, high solubility, easy removal from monomers and convenient use. In addition to the above advantages of N, N-diethylhydroxylamine, N-isopropylhydroxylamine also has the characteristics of low use concentration and good inhibition effect, can significantly improve the stability of rubber Mooney toughness, and does not form nitroso substances.

[0003] At present, in most isopropylhydroxylamine synthesis reactions, the raw materials and the catalyst are usually added into a tank body, and then stirred by a stirring device. However, the stirring device is usually an integrated structure, so there are the following disadvantages: the integrated stirring device cannot be adjusted and used according to tanks of different sizes, resulting in reduced flexibility and practicality. Utility Model Content

[0004] The utility model aims to provide an isopropylhydroxylamine synthesis reactor to solve the problem that an integrated stirring device cannot be adjusted and used according to tanks of different sizes, resulting in reduced flexibility and practicality.

[0005] In order to achieve the above-mentioned utility model object, the utility model adopts the following technical scheme: an isopropylhydroxylamine synthesis reactor, comprising a tank body, the tank body is fixed inside an outer shell, the top surface of the tank body is connected with a cover by bolts, the top surface of the cover is provided with a feed port, the left side and right side of the outer wall of the outer shell are respectively provided with a steam inlet and a steam outlet, the left side and right side of the outer wall of the outer shell are respectively provided with a cooling water inlet and a cooling water outlet, the bottom surface of the tank body is provided with a discharge port, the top surface of the cover is provided with a rotating hole, the top surface of the cover is fixed with a driving motor, the output shaft of the driving motor fixes a rotating cylinder, the rotating cylinder is movably provided with a rotating shaft, the left side and right side of the outer wall of the rotating shaft are respectively fixed with mounting boxes, the insides of the two mounting boxes are respectively movably provided with connecting plates, the outer sides of the two connecting plates are respectively fixed with stirring frames, the top surfaces of the two connecting plates are respectively provided with a plurality of first thread grooves, the top surfaces of the two mounting boxes are respectively provided with first threaded holes, the two first threaded holes are respectively threaded with first bolts, and the threaded ends of the two first bolts are respectively threaded with the inner threads of the two first thread grooves.

[0006] Preferably, the front sides of the inner walls of the two installation boxes are respectively provided with sliding grooves, the front sides of the two connecting plates are respectively fixed with sliding rods, and the two sliding rods are respectively slidably arranged in the two sliding grooves.

[0007] Preferably, stirring plates are rotatably provided inside the two stirring frames.

[0008] Preferably, a plurality of second thread grooves are opened on the right side of the outer wall of the rotating shaft, and a second threaded hole is opened on the right side of the outer wall of the rotating cylinder, and second bolts are threadedly connected in the second threaded holes, and the threaded ends of the second bolts are threadedly connected to the internal threads of the second thread grooves.

[0009] Preferably, a fixing hole is formed on the top surface of the sealing cover, and a temperature sensor is fixed inside the fixing hole.

[0010] Preferably, a manhole is provided on the top surface of the cover.

[0011] Compared with the prior art, an isopropylhydroxylamine synthesis reactor using the above technical solution has the following beneficial effects:

[0012] 1. During use, the installation box, the connecting plate, the first threaded groove, and the first bolt enable the staff to adjust the distance between the stirring frame and the rotating shaft, so as to adapt to tanks of different sizes, thereby improving the flexibility and practicality of the device, and at the same time facilitating the staff to disassemble and assemble it for easy cleaning or replacement;

[0013] 2. During use, the sliding groove and the sliding rod are used to limit the connection plate to prevent the connection plate from deflecting, thereby improving the stability of the connection plate when moving. When the stirring frame is stirred by the stirring plate, the stirring plate can be driven to rotate, further improving the uniform mixing of the reactants and improving the reaction efficiency;

[0014] 3. During use, the second threaded groove and the second bolt facilitate the staff to adjust the height of the rotating shaft and the stirring frame, so as to adapt to tanks of different depths, thereby further improving the practicality of the device and facilitating disassembly and assembly by the staff, and convenient for cleaning. The temperature sensor facilitates real-time detection of the temperature inside the tank, helps maintain stable reaction conditions, and ensures the accuracy and safety of the reaction. The manhole facilitates the staff to inspect, maintain or adjust when necessary. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of an embodiment.

[0016] Figure 2 It is an exploded schematic diagram of an embodiment.

[0017] Figure 3 It is a schematic cross-sectional view of the rotating cylinder in the embodiment.

[0018] Figure 4 It is an exploded schematic diagram of the rotating shaft and the mounting box in the embodiment.

[0019] In the figure: 1. tank body; 2. outer shell; 3. sealing cover; 4. feed port; 5. rotating hole; 6. driving motor; 7. rotating cylinder; 8. rotating shaft; 9. mounting box; 10. connecting plate; 11. stirring frame; 12. first threaded groove; 13. first threaded hole; 14. first bolt; 15. slide groove; 16. sliding rod; 17. stirring plate; 18. second threaded groove; 19. second threaded hole; 20. second bolt; 21. fixing hole; 22. temperature sensor; 23. manhole. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0021] like Figure 1-Figure 4As shown, an isopropylhydroxylamine synthesis reactor comprises a tank body 1, the tank body 1 is fixed inside an outer shell 2, a cover 3 is connected to the top surface of the tank body 1 by bolts, a feed port 4 is arranged on the top surface of the cover 3, a steam inlet and a steam outlet are arranged on the left and right sides of the outer wall of the outer shell 2, a cooling water inlet and a cooling water outlet are arranged on the left and right sides of the outer wall of the outer shell 2, a discharge port is arranged on the bottom surface of the tank body 1, a rotating hole 5 is opened on the top surface of the cover 3, a driving motor 6 is fixed on the top surface of the cover 3, an output shaft of the driving motor 6 is fixed to a rotating drum 7, and the rotating drum 7 is A rotating shaft 8 is movably arranged inside, and installation boxes 9 are fixed on the left and right sides of the outer wall of the rotating shaft 8 respectively. Connecting plates 10 are movably arranged inside the two installation boxes 9, and stirring frames 11 are fixed on the outer sides of the two connecting plates 10 respectively. A plurality of first threaded grooves 12 are respectively provided on the top surfaces of the two connecting plates 10, and first threaded holes 13 are respectively provided on the top surfaces of the two installation boxes 9. First bolts 14 are respectively threadedly connected in the two first threaded holes 13, and the threaded ends of the two first bolts 14 are respectively threadedly connected to the internal threads of the two first threaded grooves 12.

[0022] During use, the staff first installs the cover 3 with the outer shell 2 through bolts, and then adds the raw materials and catalysts required for the reaction into the interior of the tank body 1 through the feed port 4, and then transports steam or cooling water to the interior of the outer shell 2 through the steam inlet and the cooling water inlet for heating or cooling. At the same time, the drive motor 6 is started to rotate the rotating cylinder 7, which in turn drives the rotating shaft 8, the mounting box 9, the connecting plate 10, and the stirring frame 11 to rotate, so as to stir the raw materials inside the tank body 1 so that the reactants can be evenly mixed and then discharged from the discharge port. The staff can adjust the distance between the stirring frame 11 and the rotating shaft 8 by rotating the first bolt 14 and moving the connecting plate 10.

[0023] The installation box 9, the connecting plate 10, the first threaded groove 12, and the first bolt 14 enable the staff to adjust the distance between the stirring frame 11 and the rotating shaft 8 so as to adapt to tanks 1 of different sizes, thereby improving the flexibility and practicality of the device and facilitating the staff to disassemble and assemble it for cleaning or replacement.

[0024] like Figure 2-Figure 4 As shown, the front sides of the inner walls of the two installation boxes 9 are respectively provided with slide grooves 15 , and the front sides of the two connecting plates 10 are respectively fixed with sliding rods 16 , and the two sliding rods 16 are respectively slidably arranged in the two slide grooves 15 .

[0025] During use, the sliding groove 15 and the sliding rod 16 are used to limit the connection plate 10 to prevent the connection plate 10 from deviating, thereby improving the stability of the connection plate 10 when moving.

[0026] like Figure 2-Figure 4As shown, stirring plates 17 are rotatably provided inside the two stirring frames 11, a plurality of second thread grooves 18 are provided on the right side of the outer wall of the rotating shaft 8, a second threaded hole 19 is provided on the right side of the outer wall of the rotating cylinder 7, and second bolts 20 are threadedly connected in the second threaded holes 19, and the threaded ends of the second bolts 20 are threadedly connected to the internal threads of the second thread grooves 18.

[0027] In use, when the stirring plate 17 is used to stir the stirring frame 11, the stirring plate 17 can be driven to rotate, further improving the uniform mixing of the reactants and improving the reaction efficiency. The second thread groove 18 and the second bolt 20 are used to facilitate the staff to adjust the height of the rotating shaft 8 and the stirring frame 11, so as to adapt to tanks 1 of different depths, thereby further improving the practicality of the device and facilitating the staff to disassemble and clean.

[0028] like Figure 1 and Figure 2 As shown, a fixing hole 21 is provided on the top surface of the cover 3 , a temperature sensor 22 is fixed inside the fixing hole 21 , and a manhole 23 is provided on the top surface of the cover 3 .

[0029] In use, the temperature sensor 22 is used to detect the temperature inside the tank 1 in real time, which helps to maintain stable reaction conditions and ensure the accuracy and safety of the reaction. The manhole 23 is used to facilitate the staff to check, maintain or adjust when necessary.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An isopropylhydroxylamine synthesis reactor, comprising a tank body (1), wherein the tank body (1) is fixed inside an outer shell (2), characterized in that: The top surface of the tank body (1) is connected to a cover (3) by bolts, and a feed port (4) is provided on the top surface of the cover (3). A steam inlet and a steam outlet are provided on the left and right sides of the outer wall of the outer shell (2), and a cooling water inlet and a cooling water outlet are provided on the left and right sides of the outer wall of the outer shell (2). A discharge port is provided on the bottom surface of the tank body (1). A rotating hole (5) is provided on the top surface of the cover (3). A driving motor (6) is fixed on the top surface of the cover (3), and the output shaft of the driving motor (6) is fixed to a rotating cylinder (7). A rotating shaft (8) is movably provided inside the rotating cylinder (7). A mounting box (9) is fixed on the left and right sides of the outer wall of the rotating shaft (8), and a connecting plate (10) is movably arranged inside the two mounting boxes (9). A stirring frame (11) is fixed on the outer sides of the two connecting plates (10), and a plurality of first thread grooves (12) are respectively provided on the top surfaces of the two connecting plates (10). A first threaded hole (13) is respectively provided on the top surfaces of the two mounting boxes (9), and a first bolt (14) is respectively threadedly connected inside the two first threaded holes (13), and the threaded ends of the two first bolts (14) are respectively threadedly connected to the inner parts of the two first thread grooves (12).

2. An isopropylhydroxylamine synthesis reactor according to claim 1, characterized in that: The front sides of the inner walls of the two installation boxes (9) are respectively provided with sliding grooves (15), and the front sides of the two connecting plates (10) are respectively fixed with sliding rods (16), and the two sliding rods (16) are respectively slidably arranged in the two sliding grooves (15).

3. An isopropylhydroxylamine synthesis reactor according to claim 2, characterized in that: Stirring plates (17) are rotatably arranged inside the two stirring frames (11).

4. An isopropylhydroxylamine synthesis reactor according to claim 3, characterized in that: A plurality of second thread grooves (18) are provided on the right side of the outer wall of the rotating shaft (8), and a second thread hole (19) is provided on the right side of the outer wall of the rotating cylinder (7). Second bolts (20) are respectively threadedly connected in the second thread holes (19), and the threaded ends of the second bolts (20) are threadedly connected to the inner parts of the second thread grooves (18).

5. An isopropylhydroxylamine synthesis reactor according to claim 1, characterized in that: A fixing hole (21) is provided on the top surface of the sealing cover (3), and a temperature sensor (22) is fixed inside the fixing hole (21).

6. An isopropylhydroxylamine synthesis reactor according to claim 5, characterized in that: The top surface of the sealing cover (3) is provided with a manhole (23).

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