Hydrazine kettle for producing pyrazoleacetic acid

Abstract

The utility model discloses a hydrazine kettle for producing pyrazol acetic acid, which comprises a kettle body and a stirring mechanism, and is characterized in that the stirring mechanism comprises a driving mechanism, a stirring rod is arranged on the driving mechanism, the stirring rod annularly moves in the kettle body under the action of the driving mechanism, the driving mechanism comprises a vertical supporting plate, and the vertical supporting plate is arranged on the stirring rod. A servo motor is mounted at the rear end of the vertical supporting plate, and a first gear is fixedly mounted on an output shaft of the servo motor, the hydrazine kettle relates to the technical field of hydrazine kettles, a stirring mechanism and a driving mechanism are arranged to drive a stirring rod to annularly move, so that materials in the kettle body can be fully stirred, and the stirring efficiency is improved; material precipitation is avoided, so that the materials are stirred more uniformly; the motor is arranged to drive the kettle body to rotate, and meanwhile, the stirring mechanism stirs the materials, so that the material stirring uniformity is further improved.

Description

Technical Field

[0001] This utility model relates to the field of hydrazination reactor technology, specifically a hydrazination reactor for the production of pyrazole acetic acid. Background Technology

[0002] Hydration is an organic chemical reaction, typically carried out in a hydrazination reactor, a type of stirred tank. A motor drives a stirring shaft to rotate, which in turn drives a stirring rod to achieve uniform mixing of the materials, thus stabilizing the hydrazination reaction. However, current hydrazination reactors have the following shortcomings:

[0003] The stirring shaft passes through the central axis of the hydrazine reactor cavity, and the stirring rod moves in a circular motion around the stirring shaft. Therefore, the denser material tends to sink to the bottom, resulting in uneven stirring and instability of the hydrazine reaction. Utility Model Content

[0004] In view of the problems existing in the hydrazine reaction vessel for the production of pyrazole acetic acid, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a hydrazination reactor for the production of pyrazole acetic acid, which solves the problem that the stirring shaft passes through the central axis of the inner cavity of the hydrazination reactor, and the stirring rod moves in a circular motion around the stirring shaft. As a result, the dense material tends to sink to the bottom, which leads to uneven stirring and thus instability of the hydrazination reaction.

[0006] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0007] A hydrazine reaction vessel for the production of pyrazole acetic acid includes a vessel body and a stirring mechanism, characterized in that: the stirring mechanism includes a driving mechanism, and a stirring rod is installed on the driving mechanism. Under the action of the driving mechanism, the stirring rod performs a circular motion within the vessel body.

[0008] As a preferred embodiment of the hydrazine reaction vessel for pyrazole acetic acid production according to this utility model, the driving mechanism includes a support plate, a servo motor mounted at the rear end of the support plate, a first gear fixedly mounted on the output shaft of the servo motor, the first gear meshing with an intermediate gear, a first auxiliary shaft fixedly connected to the inner wall of the intermediate gear, the first auxiliary shaft rotatably connected to the support plate via a bearing, a second gear meshing with the intermediate gear, a second auxiliary shaft fixedly connected to the inner wall of the second gear, the second auxiliary shaft rotatably connected to the support plate via a bearing, a U-shaped stirring shaft rotatably connected to both the second gear and the first gear, and a stirring rod mounted at the end of the U-shaped stirring shaft.

[0009] As a preferred embodiment of the hydrazine reaction vessel for pyrazole acetic acid production described in this utility model, a support pin is welded to both the second gear and the first gear, and a U-shaped stirring shaft is sleeved on the support pins of the second gear and the first gear.

[0010] As a preferred embodiment of the hydrazine reaction vessel for the production of pyrazole acetic acid described in this utility model, the bottom of the vessel body has an outlet, and a valve is provided on the outlet.

[0011] In a preferred embodiment of the hydrazine reaction vessel for the production of pyrazole acetic acid described in this utility model, a support plate is welded to the bottom of the vessel body, a support plate is installed at the bottom of the support plate, a bottom support plate is connected to the bottom of the support plate, and a vertical support plate is welded to the support plate.

[0012] As a preferred embodiment of the hydrazine reaction vessel for the production of pyrazole acetic acid described in this utility model, it further includes a housing, wherein both the vessel body and the stirring mechanism are located within the housing.

[0013] In a preferred embodiment of the hydrazine reaction vessel for pyrazole acetic acid production described in this utility model, a support tube is welded to the bottom of the support plate, the support tube is rotatably connected to the support ring via a bearing, and the support plate is driven by a motor.

[0014] In a preferred embodiment of the hydrazine reaction vessel for pyrazole acetic acid production described in this utility model, a driving gear is fixedly installed on the output shaft of the motor, and a driven gear is fixedly installed on the support plate, with the driving gear and the driven gear meshing together.

[0015] As a preferred embodiment of the hydrazine reaction vessel for pyrazole acetic acid production described in this utility model, wherein: a second support connecting seat is welded to the bottom of the support plate, the bottom of the support plate is inserted into the inner wall of the second support connecting seat, and internal threaded holes are opened at corresponding positions of the support plate and the second support connecting seat, and the support plate and the second support connecting seat are fixed together by bolts.

[0016] The top of the bottom support plate is welded with a first support connector, the bottom end of the support plate is inserted into the first support connector, and the first support connector and the support plate are fixed together by bolts.

[0017] Compared with existing technologies:

[0018] 1. By setting up a stirring mechanism, the drive mechanism can drive the stirring rod to make a circular motion, thereby fully stirring the material in the vessel, avoiding material sedimentation and making the stirring of the material more uniform.

[0019] 2. By setting a motor to drive the vessel to rotate, and at the same time the stirring mechanism stirs the materials, the uniformity of the material stirring is further improved. Attached Figure Description

[0020] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present utility model;

[0021] Figure 2 Provided for Embodiment 1 of this utility model Figure 1 A partial sectional view;

[0022] Figure 3 This is an enlarged view of the connection between the stirring rod and the U-shaped stirring shaft provided in Embodiment 1 of this utility model;

[0023] Figure 4 This is a structural schematic diagram of Embodiment 2 of the present invention.

[0024] In the figure: 1. Vessel body; 2. Support plate; 3. Outlet; 4. Support plate; 5. First support connecting seat; 6. Bottom support plate; 7. Stirring rod; 71. Mounting ring; 8. U-shaped stirring shaft; 9. Vertical support plate; 10. Second gear; 11. First gear; 12. Intermediate gear; 13. Servo motor; 14. Support tube; 15. Motor; 16. Driven gear; 17. Driven gear; 18. Support ring. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0026] Example 1:

[0027] This utility model provides a hydrazine reaction vessel for the production of pyrazole acetic acid. Please refer to [link / reference]. Figure 1-3 The apparatus includes a vessel body 1, the bottom of which has an outlet 3, and a valve is provided on the outlet 3. It also includes a stirring mechanism, which includes a drive mechanism and a stirring rod 7 is mounted on the drive mechanism. Under the action of the drive mechanism, the stirring rod 7 performs a circular motion inside the vessel body 1.

[0028] The drive mechanism includes a support plate 9, a servo motor 13 mounted at the rear end of the support plate 9, a first gear 11 fixedly mounted on the output shaft of the servo motor 13, the first gear 11 meshing with an intermediate gear 12, a first auxiliary shaft fixedly connected to the inner wall of the intermediate gear 12, the first auxiliary shaft rotatably connected to the support plate 9 via a bearing, a second gear 10 meshing with the intermediate gear 12, a second auxiliary shaft fixedly connected to the inner wall of the second gear 10, the second auxiliary shaft rotatably connected to the support plate 9 via a bearing, a U-shaped stirring shaft 8 rotatably connected to both the second gear 10 and the first gear 11, and a stirring rod 7 mounted at the end of the U-shaped stirring shaft 8. Specifically, the stirring rod 7 has a mounting ring 71 in the middle, the mounting ring 71 is sleeved on the U-shaped stirring shaft 8, and the U-shaped stirring shaft 8 and the stirring rod 7 are fixed together by bolts.

[0029] Support pins are welded to both the second gear 10 and the first gear 11, and the U-shaped stirring shaft 8 is sleeved on the support pins of the second gear 10 and the first gear 11.

[0030] A support plate 2 is welded to the bottom of the vessel body 1, and a support plate 4 is installed on the bottom of the support plate 2. Specifically, a second support connecting seat is welded to the bottom of the support plate 2, and the bottom of the support plate 4 is inserted into the inner wall of the second support connecting seat. Internal threaded holes are opened at corresponding positions of the support plate 4 and the second support connecting seat. The support plate 4 and the second support connecting seat are fixed together by bolts. A bottom support plate 6 is connected to the bottom of the support plate 4, and a first support connecting seat 5 is welded to the top of the bottom support plate 6. The bottom end of the support plate 4 is inserted into the first support connecting seat 5, and the first support connecting seat 5 and the support plate 4 are fixed together by bolts. The vertical support plate 9 is welded to the support plate 4. Both the second support connecting seat and the first support connecting seat 5 are rectangular frames.

[0031] It also includes a housing, in which the vessel body 1 and the stirring mechanism are both located. The housing has a front-opening structure, and the opening end of the housing is connected to a door panel via a hinge. Closing the door panel seals the device, thereby allowing the hydrazination reaction to proceed in a closed environment.

[0032] In practical use, the servo motor 13 drives the first gear 11 to rotate. Under the action of the intermediate gear 12, the second gear 10 and the first gear 11 move synchronously. The U-shaped stirring shaft 8 follows and makes a circular motion. Therefore, the stirring rod 7 will move up and down, thereby achieving full mixing of materials.

[0033] Example 2:

[0034] See attached document Figure 4 Unlike Embodiment 1, the bottom of the support plate 2 is welded with a support tube 14, the support tube 14 is rotatably connected to the support ring 18 through a bearing, and the support plate 2 is driven by a motor 15.

[0035] A drive gear 17 is fixedly mounted on the output shaft of the motor 15, and a driven gear 16 is fixedly mounted on the support plate 2. The drive gear 17 and the driven gear 16 are meshed together.

[0036] In practical use, the servo motor 13 drives the first gear 11 to rotate. Under the action of the intermediate gear 12, the second gear 10 and the first gear 11 move synchronously. The U-shaped stirring shaft 8 follows and makes a circular motion. Therefore, the stirring rod 7 will move up and down, thereby achieving full mixing of materials.

[0037] At the same time, the motor 15 drives the vessel 1 to rotate, so that the materials inside the vessel 1 can be stirred, further improving the stirring effect.

[0038] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A hydrazine reaction vessel for the production of pyrazole acetic acid, comprising a vessel body (1) and a stirring mechanism, characterized in that: The stirring mechanism includes a driving mechanism, on which a stirring rod (7) is mounted. Under the action of the driving mechanism, the stirring rod (7) moves in a ring within the vessel body (1).

2. The hydrazine reaction vessel for the production of pyrazole acetic acid according to claim 1, characterized in that, The driving mechanism includes a support plate (9), a servo motor (13) is installed at the rear end of the support plate (9), a first gear (11) is fixedly installed on the output shaft of the servo motor (13), the first gear (11) is meshed with an intermediate gear (12), a first auxiliary shaft is fixedly connected to the inner wall of the intermediate gear (12), the first auxiliary shaft is rotatably connected to the support plate (9) through a bearing, the intermediate gear (12) is meshed with a second gear (10), a second auxiliary shaft is fixedly connected to the inner wall of the second gear (10), the second auxiliary shaft is rotatably connected to the support plate (9) through a bearing, a U-shaped stirring shaft (8) is rotatably connected to the second gear (10) and the first gear (11), and a stirring rod (7) is installed at the end of the U-shaped stirring shaft (8).

3. The hydrazine reaction vessel for the production of pyrazole acetic acid according to claim 2, characterized in that, Support pins are welded to both the second gear (10) and the first gear (11), and the U-shaped stirring shaft (8) is sleeved on the support pins of the second gear (10) and the first gear (11).

4. The hydrazine reaction vessel for the production of pyrazole acetic acid according to claim 2, characterized in that, The bottom of the vessel body (1) has an outlet (3), and a valve is provided on the outlet (3).

5. The hydrazine reaction vessel for the production of pyrazole acetic acid according to claim 4, characterized in that, The bottom of the vessel body (1) is welded with a support plate (2), the bottom of the support plate (2) is equipped with a support plate (4), the bottom of the support plate (4) is connected with a bottom support plate (6), and the vertical support plate (9) is welded to the support plate (4).

6. The hydrazine reaction vessel for the production of pyrazole acetic acid according to claim 1, characterized in that, It also includes a housing, in which the vessel body (1) and the stirring mechanism are both located.

7. The hydrazine reaction vessel for the production of pyrazole acetic acid according to claim 5, characterized in that, The bottom of the support plate (2) is welded with a support tube (14), which is rotatably connected to the support ring (18) through a bearing, and the support plate (2) is connected to a motor (15).

8. The hydrazine reaction vessel for the production of pyrazole acetic acid according to claim 7, characterized in that, A drive gear (17) is fixedly mounted on the output shaft of the motor (15), and a driven gear (16) is fixedly mounted on the support plate (2). The drive gear (17) and the driven gear (16) are meshed together.

9. The hydrazine reaction vessel for the production of pyrazole acetic acid according to claim 5, characterized in that, The bottom of the support plate (2) is welded with a second support connecting seat. The bottom of the support plate (4) is inserted into the inner wall of the second support connecting seat. The support plate (4) and the second support connecting seat are provided with internal threaded holes at corresponding positions. The support plate (4) and the second support connecting seat are fixed together by bolts. The top of the bottom support plate (6) is welded with a first support connecting seat (5), the bottom end of the support plate (4) is inserted into the first support connecting seat (5), and the first support connecting seat (5) and the support plate (4) are fixed together by bolts.

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