A chemical drug reactor

Abstract

The utility model belongs to the technical field of reactors, and discloses a chemical reactor. The existing reactor is provided with a spiral stirring tube with a catalyst discharge port. When in use, the catalyst will enter the reactor, and the catalyst will be discharged along the discharge port along with the chemicals, and subsequent separation treatment of the catalyst is required, which is inconvenient to use. The technical solution of the utility model example includes a reactor body, a plurality of supporting legs are fixedly installed on the bottom surface of the reactor body, a liquid inlet pipe with a stop valve is fixedly installed on the top of one side of the reactor body, and a liquid outlet pipe with a stop valve is fixedly installed on the bottom of the other side of the reactor body, and a spiral tube is arranged in the reactor body. The utility model is provided with a fixed tube and a plug, which is convenient for adding and taking out the catalyst into and out of the spiral tube, and different catalysts can be selected according to the type of chemical drug reaction, and the amount of catalyst added can be controlled according to the amount of the chemical drug, so that it is more convenient to use.

Description

Technical Field

[0001] The utility model belongs to the technical field of reaction kettles, and in particular relates to a chemical medicine reaction kettle. Background Art

[0002] Reactor is a kind of equipment used for chemical reaction. It is an important equipment in the production process of chemical drugs. It is usually made of high temperature, pressure and corrosion resistant materials, such as stainless steel, fiberglass, titanium alloy, etc. It can accommodate reactants and catalysts and provide appropriate temperature, pressure, stirring and control conditions to promote the reaction. The body of the reactor is the main part of the reactor, with a certain volume and shape. Common shapes include cylindrical, spherical, conical, etc. The specific shape depends on the reaction requirements.

[0003] In the prior art, a Chinese patent with publication number CN220940606U discloses a reactor for synthesizing pharmaceutical intermediates. The prior art is provided with a spiral stirring tube with a catalyst discharge port. When in use, the catalyst will enter the reactor, but the catalyst will not participate in the reaction of the chemical drugs. The catalyst will be discharged along the discharge port along with the chemical drugs, and the catalyst needs to be subsequently separated and processed, which is inconvenient to use. Utility Model Content

[0004] In order to solve the deficiencies in the above-mentioned prior art, the purpose of the utility model is to provide a chemical reactor, which is provided with a fixed tube and a plug to facilitate adding and removing the catalyst into the spiral tube, can select different catalysts according to the type of chemical reaction, and can control the amount of catalyst added according to the amount of chemicals, making it more convenient to use.

[0005] The technical solution adopted by this chemical drug reactor to solve its technical problems is:

[0006] Provided is a chemical drug reaction kettle, comprising a kettle body, a plurality of supporting legs fixedly installed on the bottom surface of the kettle body, a liquid inlet pipe with a stop valve fixedly installed on the top of one side of the kettle body, a liquid outlet pipe with a stop valve fixedly installed on the bottom of the other side of the kettle body, a spiral tube arranged in the kettle body, reaction holes evenly distributed are opened on the outer circumference of the spiral tube, a partition net is arranged in the reaction hole, fixed tubes are respectively arranged on the top surface and the bottom surface of the kettle body, the proximal ends of the fixed tubes are respectively rotatably connected to the corresponding ends of the spiral tube, the distal ends of the fixed tubes are respectively provided with plugs, and a driving device for driving the spiral tube to rotate is arranged in the kettle body.

[0007] Furthermore, the separator on the reaction hole is a fine mesh.

[0008] Furthermore, a pump body is provided on the liquid outlet pipe.

[0009] Furthermore, the liquid outlet pipe is fixedly connected to the lower end of the liquid return pipe, and the upper end of the liquid return pipe is fixedly connected to the top of the other side of the kettle body and communicates with each other.

[0010] Furthermore, the driving device is composed of a motor and a gear transmission group. The motor is fixedly installed on the top surface of the kettle body. The output shaft of the motor passes through the kettle body and is rotatably connected. The gear transmission group is arranged between the output shaft of the motor and the upper part of the spiral tube.

[0011] Furthermore, the motor is a servo motor.

[0012] Furthermore, the plug is a threaded plug, and an internal thread matching the plug thread is provided in the fixed tube.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. A chemical drug reaction kettle according to the example of the utility model, the plug located at the upper part is removed, and the catalyst is added to the fixed tube located on the upper side according to the amount of the drug. The catalyst slides downward along the spiral tube under the action of gravity. After the addition is completed, the partition net can prevent the catalyst from running out of the reaction hole, and the lid can be covered again. Chemical drugs are added to the kettle body through the liquid inlet pipe. The chemical drugs react in the kettle body. The spiral tube is driven to rotate by the driving device. The spiral tube can drive the chemical drugs to move and can drive the catalyst to move, so that the chemical drugs can be fully mixed, and the catalyst and the chemical drugs can be fully contacted, thereby accelerating the reaction speed of the chemical drugs. After the chemical drug reaction is completed, the reacted chemical drugs are discharged through the liquid outlet pipe. After the discharge is completed, the lid located on the lower side is opened, and the catalyst in the spiral tube can be taken out. Compared with the prior art, the utility model is provided with a fixed tube and a plug, which is convenient for adding and taking out the catalyst into the spiral tube, and different catalysts can be selected according to the type of chemical drug reaction, and the amount of catalyst added can be controlled according to the amount of the chemical drugs, which is more convenient to use.

[0015] 2. In a chemical drug reactor exemplified in the present invention, the fine mesh can prevent smaller particles of catalyst from escaping from the reaction hole.

[0016] 3. A chemical drug reaction kettle according to the example of the utility model can discharge the drugs in the kettle through a pump body, which is more convenient to use.

[0017] 4. In a chemical drug reaction kettle of the utility model, the stop valve on the liquid outlet pipe is closed and the pump body is opened. The pump body can extract the drug at the bottom of the kettle body and return it to the kettle body along the liquid return pipe, so as to facilitate the mixing of the drugs at the top and bottom of the kettle body.

[0018] 5. A chemical drug reaction kettle according to the example of the utility model, when the motor is turned on, the output shaft of the motor can rotate to drive the spiral tube to rotate through the gear transmission group. The driving device has a simple structure and is easy to use.

[0019] 6. In a chemical drug reaction kettle exemplified in the present invention, the servo motor has more precise speed control compared with other types of motors, and is convenient for controlling the rotation speed of the spiral tube.

[0020] 7. A chemical drug reaction kettle in the example of the present invention has a threaded plug which is more firmly installed and is not easy to fall off compared with ordinary plugs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0022] Figure 1 It is a structural schematic diagram of the utility model.

[0023] In the figure: 1 kettle body; 2 supporting legs; 3 liquid inlet pipe; 4 liquid outlet pipe; 5 spiral tube; 6 reaction hole; 7 fixed tube; 8 plug; 9 pump body; 10 liquid return pipe; 11 motor. DETAILED DESCRIPTION

[0024] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] like Figure 1As shown, a chemical drug reaction kettle comprises a kettle body 1, a plurality of supporting legs 2 are fixedly installed on the bottom surface of the kettle body 1, and the utility model is provided with four evenly distributed supporting legs 2, a liquid inlet pipe 3 with a stop valve is fixedly installed on the top of one side of the kettle body 1, and a liquid outlet pipe 4 with a stop valve is fixedly installed on the bottom of the other side of the kettle body 1, a spiral tube 5 is arranged in the kettle body 1, and the outer periphery of the spiral tube 5 is provided with evenly distributed reaction holes 6, and a partition net is arranged in the reaction hole 6, and fixed tubes 7 are respectively arranged on the top and bottom surfaces of the kettle body 1, and the proximal ends of the fixed tubes 7 are respectively rotatably connected to the corresponding ends of the spiral tube 5, and the far ends of the fixed tubes 7 are respectively provided with plugs 8, and a driving device for driving the spiral tube 5 to rotate is arranged in the kettle body 1. The stopper 8 located at the upper part is removed, and according to the amount of medicine, the catalyst is added to the fixed tube 7 located on the upper side. The catalyst slides downward along the spiral tube 5 under the action of gravity. After the addition is completed, the partition net can prevent the catalyst from running out of the reaction hole 6, and the cover 8 can be covered again. Chemical drugs are added to the kettle body 1 through the liquid inlet pipe 8. The chemical drugs react in the kettle body 1. The spiral tube 5 is driven to rotate by the driving device. The spiral tube 5 can drive the chemical drugs to move and can drive the catalyst to move, so that the chemical drugs can be fully mixed, and the catalyst and the chemical drugs can be fully contacted, thereby accelerating the reaction speed of the chemical drugs. After the chemical drug reaction is completed, the reacted chemical drugs are discharged through the liquid outlet pipe 3. After the discharge is completed, the cover 8 located on the lower side is opened, and the catalyst in the spiral tube 5 can be taken out. Compared with the prior art, the utility model is provided with a fixed tube 7 and a stopper 8, which is convenient for adding and taking out the catalyst into and out of the spiral tube 5. Different catalysts can be selected according to the type of chemical drug reaction, and the amount of catalyst added can be controlled according to the amount of the chemical drugs, which is more convenient to use.

[0027] like Figure 1 As shown, further preferably, the separation net on the reaction hole 6 is a fine net. The fine net can prevent smaller particles of catalyst from escaping from the reaction hole 6.

[0028] like Figure 1 As shown, further preferably, a pump body 9 is provided on the liquid outlet pipe 4, and the pump body 9 is arranged between the stop valve and the kettle body 1. The pump body 9 facilitates the discharge of the medicine in the kettle body 1, and the use is more convenient.

[0029] like Figure 1 As shown, further preferably, the liquid outlet pipe 4 is fixedly connected to the lower end of the liquid return pipe 10, the lower end of the liquid return pipe 10 is located between the pump body 9 and the stop valve, and the upper end of the liquid return pipe 10 is fixedly connected to the top of the other side of the kettle body 1 and communicates with each other. When the stop valve on the liquid outlet pipe 4 is closed and the pump body 9 is opened, the pump body 9 can extract the medicine at the bottom of the kettle body 1 and return it to the kettle body 1 along the liquid return pipe 10, so as to facilitate the mixing of the medicine at the top and the bottom of the kettle body 1.

[0030] like Figure 1 As shown, further preferably, the driving device is composed of a motor 11 and a gear transmission group, the motor 11 is fixedly mounted on the top surface of the kettle body 1, the output shaft of the motor 11 passes through the kettle body 1 and is rotatably connected, and the gear transmission group is arranged between the output shaft of the motor 11 and the upper part of the spiral tube 5. When the motor 11 is turned on, the output shaft of the motor 11 rotates to drive the spiral tube 5 to rotate through the gear transmission group, and the driving device has a simple structure and is easy to use.

[0031] like Figure 1 As shown, further preferably, the motor 11 is a servo motor. Compared with other types of motors, the servo motor has more precise speed control, which is convenient for controlling the rotation speed of the spiral tube 5.

[0032] like Figure 1 As shown, further preferably, the plug 8 is a threaded plug, and the fixing tube 7 is provided with an internal thread that matches the thread of the plug 8. Compared with ordinary plugs, the threaded plug is more firmly installed and is not easy to fall off.

[0033] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

[0034] Except for the technical features described in the specification, the other technical features are known technologies to those skilled in the art. In order to highlight the innovative features of the present utility model, the other technical features will not be described in detail here.

Claims

1. A chemical drug reaction kettle, comprising a kettle body (1), a plurality of supporting legs (2) being fixedly mounted on the bottom surface of the kettle body (1), wherein: A liquid inlet pipe (3) with a stop valve is fixedly installed on the top of one side of the kettle body (1), and a liquid outlet pipe (4) with a stop valve is fixedly installed on the bottom of the other side of the kettle body (1). A spiral tube (5) is arranged in the kettle body (1), and reaction holes (6) are evenly distributed on the outer circumference of the spiral tube (5). A partition net is arranged in the reaction hole (6). Fixed tubes (7) are respectively arranged on the top and bottom surfaces of the kettle body (1), and the proximal ends of the fixed tubes (7) are respectively rotatably connected to the corresponding ends of the spiral tube (5), and the distal ends of the fixed tubes (7) are respectively provided with stoppers (8). A driving device for driving the spiral tube (5) to rotate is arranged in the kettle body (1).

2. A chemical drug reaction kettle according to claim 1, characterized in that: The separator on the reaction hole (6) is a fine mesh.

3. A chemical drug reaction kettle according to claim 1, characterized in that: A pump body (9) is provided on the liquid outlet pipe (4).

4. A chemical drug reaction kettle according to claim 3, characterized in that: The liquid outlet pipe (4) is fixedly connected to the lower end of the liquid return pipe (10), and the upper end of the liquid return pipe (10) is fixedly connected to the top of the other side of the kettle body (1) and communicates with each other.

5. A chemical drug reaction kettle according to claim 1, characterized in that: The driving device is composed of a motor (11) and a gear transmission group. The motor (11) is fixedly mounted on the top surface of the kettle body (1). The output shaft of the motor (11) passes through the kettle body (1) and is rotatably connected thereto. The gear transmission group is arranged between the output shaft of the motor (11) and the upper part of the spiral tube (5).

6. A chemical drug reaction kettle according to claim 5, characterized in that: The motor (11) is a servo motor.

7. A chemical drug reaction kettle according to any one of claims 1 to 6, characterized in that: The plug (8) is a threaded plug, and an internal thread matching the thread of the plug (8) is provided in the fixed tube (7).

Images