CN224100032U - Crystallization kettle for producing bulk drug - Google Patents

Abstract

The utility model belongs to the technical field of crystallization kettles, and particularly discloses a crystallization kettle for producing bulk drug, which comprises a kettle body, wherein a kettle cover is arranged above the kettle body, a discharge hole is arranged below the kettle body, a supporting plate is fixed at the position, close to the discharge hole, of the kettle body, a telescopic motor is arranged on the supporting plate, a charging hole is arranged on the kettle cover, a connecting plate is fixed on the back surface of the kettle cover, a rotating rod is arranged on the inner side of the kettle body, the rotating rod is rotationally connected to the kettle cover, a driving motor is fixed above the kettle cover, a plurality of stirring blades are uniformly arranged on the rotating rod, scraping plates are fixed on the sides of the stirring blades, the scraping plates are attached to the inner wall of the kettle body, an auxiliary rod is fixed at the tail end of the rotating rod, extends into the discharge hole and is connected with an auger sheet, and is attached to the inner wall of the discharge hole.

Description

Crystallization kettle for producing bulk drug

Technical Field

The utility model relates to the technical field of crystallization kettles, in particular to a crystallization kettle for producing bulk drugs.

Background

The crystallization kettle is used for realizing crystallization by rapidly cooling chilled water or chilled water in an interlayer after material mixing reaction in the production process of the bulk drug. It is widely applied to the industries of chemical engineering, pharmacy and the like, and is one of key equipment in the production of bulk drugs.

When the existing crystallization kettle is used, in order to facilitate later cleaning and avoid the adhesion of crystals on the inner wall of the kettle, scraping plates are usually arranged to treat the inner wall of the kettle, for example, the Chinese patent with publication number of CN222585615U specifically discloses a novel crystallization kettle.

Along with the continuous improvement of pharmaceutical industry to bulk drug quality requirement, the technique of crystallization cauldron is advancing constantly, but above-mentioned crystallization cauldron can discover in the in-service use in-process that the material after crystallization of crystallization cauldron is stopped up at the discharge gate very easily to influence normal row material operation.

Disclosure of utility model

The utility model aims to provide a crystallization kettle for producing bulk drugs, which solves the problems in the prior art.

The crystallization kettle comprises a kettle body, a kettle cover is arranged above the kettle body, a discharge hole is arranged below the kettle body, a supporting plate is fixed at the position, close to the discharge hole, of the kettle body, a telescopic motor is arranged on the supporting plate, a charging hole is arranged on the kettle cover, a connecting plate is fixed on the back surface of the kettle cover, the output end of the telescopic motor is fixed on the connecting plate, a rotating rod is arranged on the inner side of the kettle body and is rotationally connected to the kettle cover, a driving motor is fixed above the kettle cover, a driving shaft of the driving motor is connected with the rotating rod, a plurality of stirring blades are uniformly arranged on the rotating rod, scraping plates are fixed on the side edges of the stirring blades, the scraping plates are attached to the inner wall of the kettle body, an auxiliary rod is fixed at the tail end of the rotating rod, extends into the discharge hole and is connected with a packing auger piece, and the packing auger piece is attached to the inner wall of the discharge hole.

Through adding the bulk drug into the cauldron internal, start driving motor drives the dwang and rotates, utilizes the dwang to drive stirring leaf and stirs the bulk drug for the bulk drug is internal crystallization at the cauldron, and in-process is cleared up the internal wall of cauldron through the scraper blade, avoids the internal wall of cauldron to adhere to the crystallization.

In the stirring process, the driving motor drives the rotating rod to rotate clockwise, so that the auger sheet can not output the bulk drug crystals downwards, but continuously output upwards. When discharging is needed, the driving motor can be started to reversely output, so that the rotating rod rotates anticlockwise, and the bulk drug can be downwards output by using the auger sheet to discharge crystals.

Still usable flexible motor promotes the cauldron lid and upwards moves, utilizes the cauldron lid to release the cauldron body with dwang and auxiliary rod to it is maintained to it. A sealing structure is arranged between the kettle cover and the kettle body.

Preferably, a valve is arranged below the discharge port, and the switch of the discharge port is controlled by the valve.

As the preferable mode of the utility model, the outer side of the kettle body is sleeved with the outer shield, a medium pipe is arranged between the kettle body and the outer shield, and the medium pipe is used for injecting cooling medium so as to realize rapid cooling of the inside of the kettle body.

Preferably, the medium pipe is spirally arranged on the kettle body, and the spiral medium pipe is used for prolonging the flowing time of the cooling medium in the medium pipe.

Preferably, the medium pipe is provided with an injection port and a discharge port at both ends thereof, and the injection port and the discharge port penetrate through the outer shield.

As the preferable mode of the utility model, the side edges of the telescopic motor are provided with the mutually parallel positioning rods, the tail ends of the positioning rods are fixed with the supporting plate, the positioning rods penetrate through the connecting plate, and the positioning rods are used for improving the lifting stability of the kettle cover.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the auxiliary rod is arranged at the tail end of the rotating rod, and the auxiliary rod extends into the discharge hole to be provided with the auger sheet, so that the auger sheet is used for discharging the bulk drug crystals during discharging, the risk of blockage of the discharge hole is reduced, and the practicability of the device is improved.

Drawings

FIG. 1 is a schematic perspective view of the first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second perspective structure of the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of the present utility model;

FIG. 4 is a schematic diagram of the structure of the removing kettle body of the utility model.

1, A kettle body, 101, a discharge hole, 1011, a valve, 102, a supporting plate, 2, a kettle cover, 201, a charging hole, 202, a connecting plate, 3, a telescopic motor, 4, a positioning rod, 5, a driving motor, 6, a rotating rod, 601, stirring blades, 602, a scraper, 7, an auxiliary rod, 701, an auger sheet, 8, a medium pipe, 801, an injection port, 802, an exhaust port, 9 and an outer shield.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-4, the utility model provides a technical scheme that a crystallization kettle for producing bulk drug comprises a kettle body 1, wherein a kettle cover 2 is arranged above the kettle body 1, a discharge hole 101 is arranged below the kettle body 1, a supporting plate 102 is fixed at a position, close to the discharge hole 101, of the kettle body 1, a telescopic motor 3 is arranged on the supporting plate 102, a feed inlet 201 is arranged on the kettle cover 2, a connecting plate 202 is fixed on the back surface of the kettle cover 2, the output end of the telescopic motor 3 is fixed on the connecting plate 202, a rotating rod 6 is arranged on the inner side of the kettle body 1, the rotating rod 6 is rotationally connected to the kettle cover 2, a driving motor 5 is fixed above the kettle cover 2, a driving shaft of the driving motor 5 is connected with the rotating rod 6, a plurality of stirring blades 601 are uniformly arranged on the rotating rod 6, scraping plates 602 are fixed on the side edges of the stirring blades 601, the scraping plates 602 are attached to the inner wall of the kettle body 1, an auxiliary rod 7 is fixed at the tail end of the rotating rod 6, the auxiliary rod 7 extends into the discharge hole 101 and is connected with an auger piece, and the auger piece 701 is attached to the inner wall of the discharge hole 101.

Through adding bulk drug into the cauldron body 1, start driving motor 5 drives dwang 6 rotation, utilizes dwang 6 to drive stirring leaf 601 and stirs bulk drug for bulk drug is crystallization in the cauldron body 1, and in-process is cleared up the internal wall of the cauldron body 1 through scraper blade 602, avoids the attached crystallization of internal wall of the cauldron body 1.

In the stirring process, the driving motor 5 drives the rotating rod 6 to rotate clockwise, so that the auger blade 701 can not output the bulk drug crystals downwards, but continuously output the bulk drug upwards. When discharging is needed, the driving motor 5 can be started to reversely output, so that the rotating rod 6 rotates anticlockwise, and the bulk drug can be downwards output by using the auger blade 701 to discharge crystals.

The kettle cover 2 can be pushed to move upwards by the telescopic motor 3, and the rotating rod 6 and the auxiliary rod 7 are pushed out of the kettle body 1 by the kettle cover 2 so as to be convenient for maintenance. A sealing structure is arranged between the kettle cover 2 and the kettle body 1.

Further, a valve 1011 is arranged below the discharge port 101, and the discharge port 101 is controlled to be opened and closed by the valve 1011.

Further, the outer cover of the kettle body 1 is provided with an outer cover 9, a medium pipe 8 is arranged between the kettle body 1 and the outer cover 9, and the medium pipe 8 is used for injecting cooling medium to realize rapid cooling of the inside of the kettle body 1.

Further, the medium pipe 8 is spirally arranged on the kettle body 1, and the spiral medium pipe 8 is used for prolonging the flowing time of the cooling medium in the medium pipe 8.

Further, the medium pipe 8 is provided with an inlet 801 and an outlet 802 at both ends thereof, and the inlet 801 and the outlet 802 penetrate through the outer cover 9.

Further, the side of the telescopic motor 3 is provided with positioning rods 4 parallel to each other, the tail ends of the positioning rods 4 are fixed with the supporting plate 102, the positioning rods 4 penetrate through the connecting plate 202, and the positioning rods 4 are used for improving the lifting stability of the kettle cover 2.

To sum up, when the crystallization kettle is used, only the material of the bulk drug is required to be added into the kettle body 1 from the charging hole 201, after the material is added, the driving motor 5 is started, the driving motor 5 drives the rotating rod 6 to rotate, the rotating rod 6 drives the stirring blade 601 and the scraping plate 602 to rotate, the stirring blade 601 is used for mixing and stirring the material, and the scraping plate 602 is used for scraping the material on the inner wall of the kettle body 1.

When cooling is needed, only a cooling medium is injected into the injection port 801, so that the cooling medium enters the medium pipe 8, cooling treatment is performed on the inside of the kettle body 1, and finally the cooling medium is discharged from the discharge port 802. After crystallization is completed, the valve 1011 is opened to discharge the material from the discharge port 101, and in the process, the driving motor 5 is started to reversely output to drive the rotating rod 6 to reversely rotate, so that the rotating rod 6 is utilized to drive the auger blade 701 on the auxiliary rod 7 to continuously output the material outwards, and the effect of auxiliary discharge is achieved.

The telescopic motor 3 can be started, so that the telescopic motor 3 drives the kettle cover 2 to move upwards through the connecting plate 202, and the kettle cover 2 drives the rotating rod 6 and the auxiliary rod 7 to withdraw from the kettle body 1, so that the kettle cover is maintained and treated conveniently.

It is noted that the whole device is controlled by the total control button, and because the equipment matched with the control button is common equipment, the device belongs to the prior art, and the electrical connection relation and the specific circuit structure are not repeated here.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A crystallization kettle for producing bulk drugs is characterized by comprising a kettle body (1), wherein a kettle cover (2) is arranged above the kettle body (1), a discharge hole (101) is formed in the lower portion of the kettle body (1), a supporting plate (102) is fixed at the position, close to the discharge hole (101), of the kettle body (1), a telescopic motor (3) is arranged on the supporting plate (102), a charging hole (201) is formed in the kettle cover (2), a connecting plate (202) is fixed to the back of the kettle cover (2), the output end of the telescopic motor (3) is fixed to the connecting plate (202), a rotating rod (6) is arranged on the inner side of the kettle body (1), the rotating rod (6) is rotationally connected to the kettle cover (2), a driving motor (5) is fixed above the kettle cover (2), a driving shaft of the driving motor (5) is connected with the rotating rod (6), a plurality of stirring blades (601) are uniformly arranged on the rotating rod (6), scraping plates (602) are fixed to the sides of the stirring blades (601), the tail ends of the rotating rod (6) are fixedly provided with auxiliary rods (7) and extend to the inner walls of the kettle body (1), and the auxiliary rods (701) are connected to the inner walls of a packing auger (101), and the inner walls of the packing auger (101) are connected to the discharge pieces.

2. The crystallization kettle for producing bulk drugs according to claim 1, wherein a valve (1011) is arranged below the discharge port (101).

3. The crystallization kettle for producing bulk drugs according to claim 1, wherein an outer shield (9) is sleeved outside the kettle body (1), and a medium pipe (8) is arranged between the kettle body (1) and the outer shield (9).

4. The crystallization kettle for producing bulk drugs according to claim 3, wherein the medium pipe (8) is spirally arranged on the kettle body (1).

5. The crystallization kettle for producing bulk drugs according to claim 3, wherein an injection port (801) and an exhaust port (802) are respectively arranged at two ends of the medium pipe (8), and the injection port (801) and the exhaust port (802) penetrate through the outer shield (9).

6. The crystallization kettle for producing bulk drugs according to claim 1, wherein the side edge of the telescopic motor (3) is provided with positioning rods (4) which are parallel to each other, the tail ends of the positioning rods (4) are fixed with the supporting plate (102), and the positioning rods (4) penetrate through the connecting plate (202).