Constant-temperature reaction kettle cleaning structure for preparing medical intermediates
By installing a scraping and water spraying assembly with a lifting and moving seat inside the constant temperature reactor, the problem of reduced stirring effect caused by material adhesion was solved, achieving thorough cleaning of the inner wall and improved stirring effect.
Patent Information
- Application Number
- CN202520067261.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-13
AI Technical Summary
During use, materials tend to adhere to the inner sidewall of the existing constant temperature reactor, which reduces the stirring effect and affects the reaction yield and product quality. Existing cleaning methods are inconvenient to operate and have poor cleaning effect.
A lifting and moving seat is installed inside the constant temperature reactor, equipped with a scraping component and a water spraying component. The scraping component scrapes off the material and works with the water spraying component to clean the inner wall thoroughly.
The combination of scraping and water spraying components effectively removes residual materials from the inner wall, improves cleaning efficiency, simplifies operation, and enhances the stirring effect and product quality of the reactor.
Smart Images

Figure CN223683546U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a constant temperature reaction kettle cleaning structure of medicine intermediate preparation. BACKGROUND
[0002] The medicine intermediate refers to the chemical substance used for synthesizing medicine in the pharmaceutical process, and it is the intermediate step from the raw material medicine to the final preparation and is converted into the final medicine through a series of chemical reactions.
[0003] At present, when the medicine intermediate is prepared, the constant temperature reaction kettle is usually used to stir and mix the raw materials, and after the constant temperature reaction kettle works for a period of time, the materials are easy to be left on the inner circumferential side wall of the constant temperature reaction kettle.
[0004] In order to solve the above technical problems, the manual high-pressure water pipe is used to spray water to the inner circumferential side wall of the constant temperature reaction kettle at the inlet of the constant temperature reaction kettle, or the cleaning structure is arranged in the constant temperature reaction kettle, the manual high-pressure water pipe is not convenient to operate, and the materials attached to the inner circumferential side wall of the constant temperature reaction kettle cannot be effectively removed by only spraying water. UTILITY MODEL CONTENTS
[0005] The utility model improves the above-mentioned prior art, and the technical problem to be solved by the utility model is to provide a constant temperature reaction kettle cleaning structure for medicine intermediate preparation.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme that a constant temperature reaction kettle cleaning structure for medicine intermediate preparation comprises a constant temperature reaction kettle body provided with a stirring assembly inside, the inner upper end of the constant temperature reaction kettle body is provided with a lifting moving seat arranged on the outer side of the stirring assembly, the lifting moving seat is driven by a lifting assembly to move up and down along the axial direction of the constant temperature reaction kettle body, the bottom of the lifting moving seat is provided with a scraping assembly used for contacting the inner circumferential side wall of the constant temperature reaction kettle body, and the upper side of the scraping assembly is provided with a water spraying assembly used for spraying water to the inner circumferential side wall of the constant temperature reaction kettle body.
[0007] Further, the scraping assembly comprises a circular frustum ring-shaped scraping plate, a top of the scraping plate is fixedly connected with a bottom of the lifting moving seat, and an outer circumferential side of the scraping plate is in contact with an inner circumferential wall of the constant-temperature reaction kettle body.
[0008] Further, the scraping plate is made of rubber material.
[0009] Further, the water spraying assembly comprises a ring-shaped conveying pipe which is arranged on an outer circumferential side of the lifting moving seat in a ring shape, the ring-shaped conveying pipe is connected with a water inlet pipe, the water inlet pipe is vertically slid through a top of the constant-temperature reaction kettle body, and a plurality of water outlet nozzles which are distributed in a circle are arranged on a lower end of an outer circumferential side of the ring-shaped conveying pipe, and the water outlet nozzles spray water towards the inner circumferential wall of the constant-temperature reaction kettle body.
[0010] Further, the water outlet nozzles are in an inclined shape with an inner side end being higher and an outer side end being lower.
[0011] Further, the ring-shaped conveying pipe is located directly above a conical surface of the scraping plate.
[0012] Further, the lifting assembly comprises a moving plate which is horizontally arranged directly above the constant-temperature reaction kettle body, the moving plate is driven to move up and down by a lifting cylinder which is vertically arranged below a middle portion of the moving plate, a bottom of the moving plate is fixedly connected with a pair of vertically arranged connecting rods which are distributed left and right, the pair of vertically arranged connecting rods are vertically slid through the top of the constant-temperature reaction kettle body and are fixedly connected with the lifting moving seat, and when a cylinder rod of the lifting cylinder is extended or retracted, the lifting moving seat is driven to move up and down through the moving plate and the vertically arranged connecting rods.
[0013] Further, the top of the constant-temperature reaction kettle body is provided with a feeding port, the bottom is provided with a discharging port, and the top of the constant-temperature reaction kettle body is further provided with a circulating feeding port, a side of the discharging port is connected with the circulating feeding port through a circulating conveying pipe, a circulating conveying pump is arranged on the circulating conveying pipe, and the circulating conveying pump is used for pumping the material output from the discharging port to the circulating feeding port and then returning the material to the inside of the constant-temperature reaction kettle body through the circulating feeding port.
[0014] Compared with the prior art, the utility model has the following effects: the utility model discloses the structure design is reasonable, the scraping assembly and the water spraying assembly are arranged on the lifting moving seat in the constant-temperature reaction kettle body, the scraping assembly is scraped the material remaining on the inner wall of the constant-temperature reaction kettle body when moving up and down along with the lifting moving seat, then the water spraying assembly is used for spraying water and cleaning, effectively realize the material remaining on the inner wall of the constant-temperature reaction kettle body, simple operation, convenient, improve the cleaning effect. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is the main view cross-section structure schematic diagram of the utility model embodiment;
[0016] Figure 2 is Figure 1 an enlarged schematic view of A in FIG. DETAILED DESCRIPTION:
[0017] The utility model will be made further detailed description in combination with the specific implementation and the drawing.
[0018] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore can not be understood as a limitation on the utility model.
[0019] As Figures 1-2 shown, the utility model discloses a constant temperature reaction kettle cleaning structure for preparation of medical intermediates, including the constant temperature reaction kettle body 1 that is internally provided with stirring subassembly 2, the inside upper end of constant temperature reaction kettle body 1 is equipped with the lifting movement seat 3 of ring and is arranged outside stirring subassembly 2, lifting movement seat is circular, lifting movement seat 3 is driven along the axis direction of constant temperature reaction kettle body 1 and moves up and down, the bottom of lifting movement seat 3 is provided with the scraping component for with the inner circumferential wall of constant temperature reaction kettle body 1 contact, the upper of scraping component is provided with the water spraying component for towards the inner circumferential wall of constant temperature reaction kettle body 1 and sprays water, when lifting movement seat moves up and down along the axis direction of constant temperature reaction kettle body, scraping component and water spraying component move synchronously with lifting movement seat, when scraping component moves synchronously with lifting movement seat, scrape the material remaining in the inner wall of constant temperature reaction kettle body, and water spraying component then sprays water and washes after scraping component scrapes residual material. By the scraping component and water spraying component of lifting movement seat inside constant temperature reaction kettle body, when scraping component moves up and down with lifting movement seat, scrape the material remaining in the inner wall of constant temperature reaction kettle body, then cooperate with water spraying component and spray water and wash, effectively realize to remove the material remaining in the inner wall of constant temperature reaction kettle body, simple, convenient operation, improve cleaning effect.
[0020] In the embodiment, the scraping component includes a scraping plate 4, which is a circular table ring with a smaller diameter at the upper end and a larger diameter at the lower end. The top of the scraping plate 4 is fixedly connected to the bottom of the lifting movement seat 3, and the outer circumferential side of the lower end of the scraping plate 4 is in contact with the inner circumferential wall of the constant temperature reaction kettle body 1, so as to scrape the material on the inner circumferential wall of the constant temperature reaction kettle body.
[0021] In the embodiment, the scraping plate 4 is made of rubber material.
[0022] In the embodiment, the water spraying assembly comprises a ring-shaped conveying pipe 5 arranged on the outer circumferential side of the lifting moving base 3, the ring-shaped conveying pipe 5 is connected with a water inlet pipe 6, the water inlet pipe 6 draws water to the ring-shaped conveying pipe through a water pump, the water inlet pipe 6 penetrates the top of the constant-temperature reaction kettle body 1 in vertical sliding mode, and a plurality of water outlet nozzles 7 are arranged on the outer circumferential side of the lower end of the ring-shaped conveying pipe 5 and are distributed in a circumferential direction, the water outlet nozzles 7 spray water towards the inner circumferential side wall of the constant-temperature reaction kettle body 1.
[0023] In the embodiment, the water outlet nozzles 7 are inclined and have a higher inner side end and a lower outer side end, so that the water spraying effect is downward.
[0024] In the embodiment, the ring-shaped conveying pipe 5 is located directly above the tapered surface of the scraping plate.
[0025] In the embodiment, the lifting assembly comprises a moving plate 8 arranged horizontally above the constant-temperature reaction kettle body 1, the moving plate 8 is driven to move up and down by a lifting cylinder 9 arranged vertically below the middle portion of the moving plate 8, the lifting cylinder 9 can be installed on the top of the constant-temperature reaction kettle body 1 through a cylinder seat 10, the bottom of the moving plate 8 is fixed with a pair of vertical connecting rods 11 distributed in a left-right direction, the pair of vertical connecting rods 11 penetrate the top of the constant-temperature reaction kettle body 1 in vertical sliding mode and are fixedly connected with the lifting moving base 3, and when the cylinder rod of the lifting cylinder 9 is retracted and extended, the lifting moving base 3 is driven to move up and down through the moving plate 8 and the vertical connecting rods 11, so that the lifting moving base is lifted up and down inside the constant-temperature reaction kettle body.
[0026] In the embodiment, the top of the constant-temperature reaction kettle body 1 is provided with a feeding port 12 and the bottom is provided with a discharging port 13, the top of the constant-temperature reaction kettle body 1 is also provided with a circulating feeding port 14, the side portion of the discharging port 13 is connected with the circulating feeding port 14 through a circulating conveying pipe 15, a circulating conveying pump 16 is installed on the circulating conveying pipe 15, the circulating conveying pump 16 is used for pumping the material output from the discharging port 13 to the circulating feeding port 14, and the material returns to the inside of the constant-temperature reaction kettle body 1 through the circulating feeding port 14, so that the material is sent back to the constant-temperature reaction kettle body to realize the circulating stirring and mixing, and the stirring and mixing effect is improved.
[0027] If the utility model discloses or relates to the parts or structural members fixedly connected with each other, then, except for another declaration, the fixed connection can be understood as: detachably fixed connection (for example, using bolt or screw connection), and also can be understood as: non-detachable fixed connection (for example, riveting, welding), of course, the fixed connection with each other can also be replaced by an integral structure (for example, integrally formed by using casting process) (except for obviously unable to use integral forming process).
[0028] In addition, the terms used to represent the positional relationship or shape in any of the technical solutions of the present application have the meaning including the approximate, similar or close state or shape unless otherwise stated.
[0029] Any component provided by the present application can be assembled from multiple individual components, or can be a single component manufactured by an integral forming process.
[0030] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the specific embodiments of the present application can still be modified or some technical features can be replaced by equivalent; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range of the present application claimed.
Claims
1. A constant temperature reaction kettle cleaning structure for the preparation of pharmaceutical intermediates, comprising a constant temperature reaction kettle body provided with a stirring assembly inside, characterized in that: The inner upper end of the constant-temperature reaction kettle body is provided with a lifting moving seat arranged around the outside of the stirring assembly, the lifting moving seat is driven by a lifting assembly to move up and down along the axial direction of the constant-temperature reaction kettle body, the bottom of the lifting moving seat is provided with a scraping assembly for contacting the inner circumferential side wall of the constant-temperature reaction kettle body, and the upper portion of the scraping assembly is provided with a water spraying assembly for spraying water towards the inner circumferential side wall of the constant-temperature reaction kettle body.
2. The thermostatic reaction kettle cleaning structure prepared by a medical intermediate according to claim 1, characterized in that: The scraping assembly comprises a scraping plate in the shape of a circular truncated cone ring, the top of the scraping plate is fixedly connected with the bottom of the lifting moving seat, and the outer circumferential side portion of the lower end of the scraping plate is in contact with the inner circumferential side wall of the constant-temperature reaction kettle body.
3. The thermostatic reaction kettle cleaning structure prepared from a pharmaceutical intermediate according to claim 2, characterized in that: The scraping plate is made of rubber material.
4. The thermostatic reaction kettle cleaning structure prepared from a pharmaceutical intermediate according to claim 2, characterized in that: The water spraying assembly comprises an annular conveying pipe arranged around the outer circumferential side of the lifting moving seat, the annular conveying pipe is connected with a water inlet pipe, the water inlet pipe penetrates through the top of the constant-temperature reaction kettle body in vertical sliding mode, and the outer circumferential side portion of the lower end of the annular conveying pipe is provided with a plurality of water outlet nozzles distributed in a circumferential manner, the water outlet nozzles spray water towards the inner circumferential side wall of the constant-temperature reaction kettle body.
5. The thermostatic reaction kettle cleaning structure prepared by a medical intermediate according to claim 4, characterized in that: The water outlet nozzles are in the shape of an inclination with the inner side end being higher and the outer side end being lower.
6. The thermostatic reaction kettle cleaning structure prepared from a pharmaceutical intermediate according to claim 4, characterized in that: The annular conveying pipe is located directly above the conical surface of the scraping plate.
7. The thermostatic reaction kettle cleaning structure prepared from a pharmaceutical intermediate according to claim 1, characterized in that: The lifting assembly comprises a moving plate horizontally arranged directly above the constant-temperature reaction kettle body, the moving plate is driven by a lifting cylinder vertically arranged below the middle portion thereof to move up and down, the bottom of the moving plate is fixedly connected with a pair of vertically arranged connecting rods distributed left and right, the pair of vertically arranged connecting rods penetrate through the top of the constant-temperature reaction kettle body in vertical sliding mode and are fixedly connected with the lifting moving seat, and when the cylinder rod of the lifting cylinder is retracted and extended, the lifting moving plate is driven by the moving plate and the vertically arranged connecting rods to move up and down.
8. The thermostatic reaction kettle cleaning structure prepared from a pharmaceutical intermediate according to claim 1, characterized in that: The top of the constant-temperature reaction kettle body is provided with a feeding port, the bottom is provided with a discharging port, and the top of the constant-temperature reaction kettle body is further provided with a circulating feeding port, the side portion of the discharging port is connected with the circulating feeding port through a circulating conveying pipe, a circulating conveying pump is installed on the circulating conveying pipe, and the circulating conveying pump is used to pump the material output from the discharging port to the circulating feeding port and then return to the inside of the constant-temperature reaction kettle body through the circulating feeding port.