Closed preparation kettle for hydrogen chloride methanol solution

By employing a vertically movable stirring shaft and a rotating sliding rod in the hydrogen chloride methanol solution preparation vessel, the problem of uneven liquid mixing in traditional stirred vessels is solved, achieving uniform solution preparation and improved reaction efficiency.

CN224100442UActive Publication Date: 2026-04-10SUZHOU EMMART BIOTECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU EMMART BIOTECHNOLOGY CO LTD
Filing Date
2025-04-28
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional stirred tank reactors struggle to achieve thorough mixing of liquids at different heights when preparing hydrogen chloride methanol solutions, resulting in uneven mixing that affects solution quality and subsequent reaction outcomes.

Method used

The design employs a stirring shaft that can move up and down and a sliding rod that can rotate and slide out. By changing the angle of the pores, it enhances liquid convection and mixing, and promotes the uniform preparation of hydrogen chloride methanol solution.

Benefits of technology

This ensures thorough mixing of the liquid within the vessel, improving the homogeneity of the solution and the effectiveness of subsequent reactions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a closed preparation kettle for a hydrogen chloride methanol solution, and belongs to the technical field of medical intermediates. The closed preparation kettle for the hydrogen chloride methanol solution comprises a kettle body, and further comprises a rotating shaft rotationally connected in the kettle body; the multiple groups of stirring shafts are fixedly connected to the rotating shaft, and mounting cavities are formed in the stirring shafts; the sliding rod is connected into the mounting cavity in a sliding mode, a plurality of sets of empty holes are formed in the sliding rod, and one end of each empty hole is large, and the other end of each empty hole is small; through the arrangement of the stirring shaft capable of moving up and down, liquid at different positions can be stirred, meanwhile, through the arrangement of the sliding rod capable of rotating to slide out, the angle of the empty hole can be changed through the rotating speed, the liquid at different positions can be flexibly driven, convection and mixing of the liquid can be enhanced, and the stirring effect is further promoted; the mixing configuration of the hydrogen chloride methanol solution is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of material configuration cauldron in medicine intermediate, especially relates to hydrogen chloride methanol solution closed configuration cauldron. BACKGROUND

[0002] In the preparation process of medicine intermediate, hydrogen chloride methanol solution is widely used in amino acid intermediate Boc removal, amino-containing compound generates corresponding hydrochloride product and the like as the anhydrous alternative form of hydrochloric acid aqueous solution due to its convenience of post-processing.

[0003] The configuration of hydrogen chloride methanol solution mostly adopts traditional agitator, and the traditional agitator is usually fixed at a specific height during the configuration process, can only stir the liquid in the fixed area, and it is difficult to realize the full mixing of the liquid at different heights in the cauldron. When configuring hydrogen chloride methanol solution, due to the concentration gradient of hydrogen chloride gas in methanol, this fixed-height stirring method can easily lead to uneven mixing of the solution, affecting the quality of the solution and the subsequent reaction effect.

[0004] Therefore, the hydrogen chloride methanol solution closed configuration cauldron is provided to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model discloses a hydrogen chloride methanol solution closed configuration cauldron to solve the problem proposed in the background art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The hydrogen chloride methanol solution closed configuration cauldron comprises a cauldron body, and further comprises:

[0008] A rotating shaft is rotatably connected in the cauldron body;

[0009] A plurality of stirring shafts are fixedly connected on the rotating shaft, and an installation cavity is arranged on the stirring shaft;

[0010] A sliding rod is slidably connected in the installation cavity, a plurality of holes are arranged on the sliding rod, and the holes are large at one end and small at the other end;

[0011] A spring member is connected in the installation cavity, and the other end of the spring member is connected with the sliding rod.

[0012] Preferably, the cauldron body is fixedly connected with a wave-shaped plate, the rotating shaft is fixedly connected with a top rod, one end of the top rod is slidably connected with the wave-shaped plate, and the top rod abuts against the wave-shaped plate. At this time, the rotation of the rotating shaft will make itself move up and down reciprocatingly.

[0013] Preferably, a sliding slot is arranged in the mounting cavity, and a limiting block matched with the sliding slot is arranged on the sliding rod.

[0014] Preferably, a sealing ring is fixedly connected in the mounting cavity.

[0015] Preferably, a motor is fixedly connected on the kettle body, an output end of the motor is fixedly connected with a rotating shaft, and the rotating shaft is connected with the rotating shaft.

[0016] Preferably, a cross slot is arranged on the rotating shaft, and a cross plug matched with the cross slot is fixedly connected on the rotating shaft.

[0017] Compared with the prior art, the hydrogen chloride methanol solution closed configuration kettle has the following beneficial effects:

[0018] The stirring shaft arranged in the up-down movement mode can stir the liquid at different positions, the sliding rod arranged in the rotatable sliding mode can change the angle of the air hole by rotating speed, different positions of the liquid can be flexibly driven, the convection and mixing between the liquids are strengthened, the stirring effect is further promoted, and the mixing and configuration of the hydrogen chloride methanol solution are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a structure schematic diagram of hydrogen chloride methanol solution closed configuration kettle;

[0020] Figure 2 The utility model provides a structure schematic diagram of hydrogen chloride methanol solution closed configuration kettle;

[0021] Figure 3 The utility model provides a structure schematic diagram of motor, rotating shaft, rotating shaft in hydrogen chloride methanol solution closed configuration kettle of the utility model;

[0022] Figure 4 The utility model provides a structure schematic diagram of hydrogen chloride methanol solution closed configuration kettle Figure 3 of the utility model in part A;

[0023] Figure 5 The utility model provides a structure schematic diagram of rotating shaft, rotating shaft, stirring shaft in hydrogen chloride methanol solution closed configuration kettle of the utility model.

[0024] In the drawing: 1, kettle body;201, motor;202, rotating shaft;2021, cross slot;203, rotating shaft;2031, cross plug;204, jacks;205, stirring shaft;2052, sealing ring;206, sliding rod;2061, limiting block;207, spring part;3, wave plate;4, air hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0026] Embodiment:

[0027] With reference to Figures 1-5 , the hydrogen chloride methanol solution closed configuration kettle, including kettle body 1, still include: rotating shaft 203, rotation is connected in the kettle body 1, multiple groups of stirring shaft 205 are all fixedly connected on the rotating shaft 203, and the stirring shaft 205 is provided with installation cavity, sliding rod 206 is slidably connected in the installation cavity, multiple groups of holes 4 are provided on the sliding rod 206, and the hole 4 is provided with one end big one end small; Spring piece 207 is connected in the installation cavity, the other end of the spring piece 207 is connected with sliding rod 206, by the rotation of rotating shaft 203, can make sliding rod 206 from stirring shaft 205 stretch out, and the big end of hole 4 faces the rotation direction, the kettle body 1 is fixedly connected with wave-shaped plate 3, the top rod 204 is fixedly connected on the rotating shaft 203, and one end of the top rod 204 is slidably connected on the wave-shaped plate 3, by the top rod 204 and rests on the wave-shaped plate 3, when the rotating shaft 203 rotates, it will make itself constantly reciprocate up and down, the installation cavity is provided with sliding groove 2051, the sliding rod 206 is provided with the limit block 2061 matched with the sliding groove 2051, the installation cavity is fixedly connected with sealing ring 2052, and the sealing ring 2052 is corrosion-resistant rubber, the motor 201 is fixedly connected on the kettle body 1, the output end of the motor 201 is fixedly connected with rotating shaft 202, the rotating shaft 202 is connected with rotating shaft 203, the rotating shaft 202 is provided with cross groove 2021, and the rotating shaft 203 is fixedly connected with the cross plug 2031 matched with the cross groove 2021.

[0028] When the device is used, the kettle body 1 is provided with the liquid inlet, and the kettle body 1 is added with the specified amount of methanol, and then the liquid inlet is closed.

[0029] Then open the motor 201, and the motor 201 drives the rotating shaft 202 to rotate, and the rotating shaft 203 starts to rotate through the cooperation of the cross groove 2021 and the cross plug 2031, at this time, the top rod 204 rotates with the rotating shaft 203 and slides on the surface of the wave-shaped plate 3, so that the rotating shaft 203 and the stirring shaft 205 fixed thereon reciprocate up and down, and the methanol in the kettle body 1 is preliminarily stirred, so that the methanol is in a flowing state, preparing for the subsequent dissolution of hydrogen chloride gas.

[0030] Through the special gas inlet device, slowly into the kettle body 1 into the hydrogen chloride gas, in the process of hydrogen chloride gas, the up and down movement of stirring shaft 205 continues to stir methanol, promote the diffusion and dissolution of hydrogen chloride gas in methanol, with the rotation of the rotating shaft 203, the sliding rod 206 is subjected to centrifugal force, when the rotating speed reaches a certain degree, the centrifugal force overcomes the elastic force of the spring piece 207, the sliding rod 206 is rotated outward in the installation cavity along the sliding groove 2051 and extends the stirring shaft 205, because the large end of the hole 4 faces the rotation direction, the sliding rod 206 will produce a driving effect on the liquid after extending, further strengthen the convection and mixing of the liquid, accelerate the dissolution rate of hydrogen chloride gas in methanol, make the hydrogen chloride gas more evenly dispersed in methanol.

[0031] And because the sliding rod 206 is slidably extended outward along the sliding groove 2051, the angle of the large end of the hole 4 will change at this time, and the liquid at other positions will be driven, and the specific angle control can be controlled by the rotating speed, if it cannot be controlled, only the angle of the hole 4 needs to be changed, so that the stirring effect can be achieved.

[0032] When the hydrogen chloride methanol solution reaches the predetermined concentration, stop the hydrogen chloride gas, continue to stir for a period of time, so that the solution is further mixed uniformly, then the motor 201 is closed, the prepared hydrogen chloride methanol solution is discharged through the discharge port at the bottom of the kettle body 1, and is used for subsequent production or experiment, finally the preparation kettle is cleaned and maintained for next use.

[0033] The utility model discloses a stirring shaft 205 can be set up to different positions of liquid stirring, and through the rotatable sliding rod 206 of setting out, can change the angle of hole 4 through the rotating speed, can flexibly drive the liquid at different positions, strengthen the convection and mixing between liquids, further promote the stirring effect, be convenient for the mixing of hydrogen chloride methanol solution.

[0034] The above-mentioned is only the preferable specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and the inventive concept of the utility model, equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. A closed configuration kettle of hydrogen chloride methanol solution, comprising a kettle body (1), characterized in that, Also include: Rotary shaft (203), rotatingly connected in the kettle body (1); Multiple groups of stirring shafts (205) are fixedly connected on the rotary shaft (203), and the stirring shaft (205) is provided with a mounting cavity; The sliding rod (206) is slidably connected in the mounting cavity, and a plurality of groups of holes (4) are provided on the sliding rod (206), and the hole (4) is provided with a large end and a small end; The spring member (207) is connected in the mounting cavity, the other end of the spring member (207) is connected with the sliding rod (206), the sliding rod (206) can be stretched out from the stirring shaft (205) by rotating the rotary shaft (203), and the large end of the hole (4) faces the rotating direction.

2. The closed configuration still for hydrogen chloride methanol solution according to claim 1, characterized in that, The kettle body (1) is fixedly connected with a wave-shaped plate (3), the rotary shaft (203) is fixedly connected with a top rod (204), one end of the top rod (204) is slidably connected with the wave-shaped plate (3), and the rotary shaft (203) is rotated to make the rotary shaft (203) continuously reciprocate up and down by the top rod (204) abutting against the wave-shaped plate (3).

3. The closed configuration still for hydrogen chloride in methanol solution according to claim 2, characterized in that, The mounting cavity is provided with a sliding groove (2051), and the sliding rod (206) is provided with a limiting block (2061) matched with the sliding groove (2051).

4. The closed configuration still for hydrogen chloride in methanol solution according to claim 3, characterized in that, The mounting cavity is fixedly connected with a sealing ring (2052).

5. The closed configuration still for hydrogen chloride in methanol solution according to claim 1, characterized in that, The kettle body (1) is fixedly connected with a motor (201), and the output end of the motor (201) is fixedly connected with a rotating shaft (202), and the rotating shaft (202) is connected with the rotary shaft (203).

6. The closed configuration still for hydrogen chloride in methanol solution according to claim 5, characterized in that, The rotating shaft (202) is provided with a cross groove (2021), and the rotary shaft (203) is fixedly connected with a cross plug (2031) matched with the cross groove (2021).