Medical intermediate reaction kettle

Abstract

The utility model discloses a medicine intermediate reaction kettle which comprises a kettle body, the upper end of the kettle body is fixedly connected with a transmission motor, an output shaft of the transmission motor is fixedly connected with a first rotating rod, the outer surface of the first rotating rod is fixedly connected with stirring blades and a first gear, a transmission cavity is formed in the kettle body, and the transmission cavity is communicated with the transmission cavity. Second gears are symmetrically and rotatably arranged in the transmission cavity, the lower ends of the second gears are fixedly connected with second rotating rods, and the outer surfaces of the second rotating rods are fixedly connected with a plurality of pairs of stirring rods. The heating medium storage cavity is arranged to heat medical intermediates, gas in the kettle body is extracted through the gas pump, the gas outlet, the first connecting pipe, the heating box, the heating plate, the second connecting pipe and the gas inlet, and the medical intermediates are heated through the heating plate, so that the medical intermediates are rapidly heated, and the efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of pharmaceutical intermediate reaction kettles, in particular to a pharmaceutical intermediate reaction kettle. Background Art

[0002] Pharmaceutical intermediates are actually some chemical raw materials or chemical products used in the process of drug synthesis. This kind of chemical product does not require a drug production license and can be produced in an ordinary chemical plant. As long as it reaches a certain level, it can be used for drug synthesis. Reactors are widely used in petroleum, chemical, rubber, pesticide, dye, medicine, and food. They are pressure vessels used to complete processes such as sulfidation, nitration, hydrogenation, hydrocarbonization, polymerization, and condensation, such as reactors, reaction pots, decomposition pots, polymerization kettles, etc.; the materials are generally carbon manganese steel, stainless steel, zirconium, nickel-based (Hastelloy, Monel, Inconel) alloys and other composite materials.

[0003] At present, many reactors heat the outer wall of the reactor to achieve a better reaction effect so that the pharmaceutical intermediates can react more thoroughly. However, since it takes time for the temperature to diffuse from the outside to the inside, the heating efficiency is low. Utility Model Content

[0004] The purpose of the utility model is to provide a pharmaceutical intermediate reactor, which can solve the problem that the outer wall of the reactor is heated to achieve a better reaction effect, but the temperature needs time to diffuse from the outside to the inside, resulting in low heating efficiency.

[0005] To achieve the above object, a pharmaceutical intermediate reaction kettle is provided, comprising: a kettle body, a transmission motor is fixedly connected to the upper end of the kettle body, a first rotating rod is fixedly connected to the output shaft of the transmission motor, a stirring blade and a first gear are fixedly connected to the outer surface of the first rotating rod, a transmission cavity is opened inside the kettle body, a second gear is symmetrically rotated inside the transmission cavity, a second rotating rod is fixedly connected to the lower end of the second gear, and a plurality of pairs of stirring rods are fixedly connected to the outer surface of the second rotating rod;

[0006] A heat medium storage cavity is provided inside the kettle body, an air pump is fixedly connected to the upper end of the kettle body, a first connecting pipe is fixedly connected to the upper end of the air pump, a heating box is fixedly connected to the upper end of the kettle body, the upper end of the first connecting pipe is fixedly connected to the upper end of the heating box, a plurality of heating plates are fixedly connected to the inside of the heating box, and a second connecting pipe is fixedly connected to one side of the heating box.

[0007] According to the pharmaceutical intermediate reaction kettle, the first gear is located inside the transmission cavity.

[0008] According to the pharmaceutical intermediate reaction kettle, the first gear is meshed with the second gear.

[0009] According to the pharmaceutical intermediate reaction kettle, a liquid inlet is provided on one side of the kettle body, and a liquid outlet is provided on the other side of the kettle body. The liquid inlet and the liquid outlet are communicated with the heat medium storage cavity.

[0010] According to the pharmaceutical intermediate reaction kettle, the upper surface of the kettle body is provided with an air outlet and an air inlet, the air pump exhaust pipe is located in the air outlet, and one end of the second connecting pipe is fixed in the air inlet.

[0011] According to the pharmaceutical intermediate reaction kettle, a first opening is provided on the upper surface of the heating box, and a second opening is provided on one side of the heating box.

[0012] According to the pharmaceutical intermediate reaction kettle, a feed pipe is fixedly connected to the upper end of the kettle body.

[0013] According to the pharmaceutical intermediate reaction kettle, a discharge pipe is fixedly connected to the lower end of the kettle body, and a valve is arranged inside the discharge pipe.

[0014] The purpose of the utility model is to provide a pharmaceutical intermediate reactor, the main innovation points are:

[0015] 1. The pharmaceutical intermediate reaction kettle heats the pharmaceutical intermediate by setting a heat medium storage chamber. At the same time, the gas inside the kettle is extracted through an air pump, an air outlet, a first connecting pipe, a heating box, a heating plate, a second connecting pipe, and an air inlet, and heated by the heating plate to heat the pharmaceutical intermediate, so that it is heated quickly and efficiently.

[0016] 2. The pharmaceutical intermediate reaction kettle is provided with a transmission motor, a first gear, a second gear, a first rotating rod, a stirring blade, a second rotating rod, and a stirring rod, so as to perform multiple stirring on the intermediate pharmaceutical body, and the stirring effect is good.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 This is a three-dimensional diagram of a pharmaceutical intermediate reaction kettle proposed by the utility model;

[0020] Figure 2 This is a cross-sectional view of a reactor body of a pharmaceutical intermediate reactor proposed in the utility model;

[0021] Figure 3The utility model is a cross-sectional view of a heating box of a pharmaceutical intermediate reaction kettle.

[0022] Legend:

[0023] 1. kettle body; 2. feed pipe; 3. discharge pipe; 4. valve; 5. heat medium storage chamber; 6. liquid inlet; 7. liquid outlet; 8. transmission motor; 9. first rotating rod; 10. stirring blade; 11. transmission chamber; 12. first gear; 13. second gear; 14. second rotating rod; 15. stirring rod; 16. air outlet; 17. air inlet; 18. air pump; 19. first connecting pipe; 20. heating box; 21. heating plate; 22. first opening; 23. second opening; 24. second connecting pipe. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-3 The utility model embodiment is a pharmaceutical intermediate reaction kettle, which includes a kettle body 1, the upper end of the kettle body 1 is fixedly connected to a transmission motor 8, the output shaft of the transmission motor 8 is fixedly connected to a first rotating rod 9, the outer surface of the first rotating rod 9 is fixedly connected to a stirring blade 10 and a first gear 12, a transmission cavity 11 is opened inside the kettle body 1, a second gear 13 is symmetrically rotated inside the transmission cavity 11, the lower end of the second gear 13 is fixedly connected to a second rotating rod 14, and the outer surface of the second rotating rod 14 is fixedly connected to a plurality of pairs of stirring rods 15, by arranging the transmission motor 8, the first gear 12, the second gear 13, the first rotating rod 9, the stirring blade 10, the second rotating rod 14, and the stirring rod 15, the intermediate pharmaceutical body is multiple stirred, and the stirring effect is good;

[0026] A heat medium storage chamber 5 is provided inside the kettle body 1, an air pump 18 is fixedly connected to the upper end of the kettle body 1, a first connecting pipe 19 is fixedly connected to the upper end of the air pump 18, a heating box 20 is fixedly connected to the upper end of the first connecting pipe 19, a plurality of heating plates 21 are fixedly connected inside the heating box 20, and a second connecting pipe 24 is fixedly connected to one side of the heating box 20. By setting the heat medium storage chamber 5, the pharmaceutical intermediate is heated, and at the same time, the gas inside the kettle body 1 is extracted through the air pump 18, the air outlet 16, the first connecting pipe 19, the heating box 20, the heating plate 21, the second connecting pipe 24, and the air inlet 17, and the gas is heated through the heating plate 21, so that the pharmaceutical intermediate is heated quickly with high efficiency.

[0027] The first gear 12 is located inside the transmission cavity 11, and the first gear 12 is meshed with the second gear 13. A liquid inlet 6 is provided on one side of the kettle body 1, and a liquid outlet 7 is provided on the other side of the kettle body 1 to facilitate the outflow of the heat medium. The liquid inlet 6 and the liquid outlet 7 are connected to the heat medium storage cavity 5. An air outlet 16 and an air inlet 17 are provided on the upper surface of the kettle body 1. The air pump 18 is located in the air outlet 16, and one end of the second connecting pipe 24 is fixed in the air inlet 17. A first opening 22 is provided on the upper surface of the heating box 20, and a second opening 23 is provided on one side of the heating box 20. A feed pipe 2 is fixedly connected to the upper end of the kettle body 1 to facilitate pouring of raw materials. A discharge pipe 3 is fixedly connected to the lower end of the kettle body 1, and a valve 4 is arranged inside the discharge pipe 3 to facilitate the discharge of pharmaceutical intermediates.

[0028] Working principle: When using the pharmaceutical intermediate reactor, the power is turned on, the raw materials are poured into the reactor body 1 through the feed pipe 2, the heat medium is injected into the heat medium storage chamber 5 through the liquid inlet 6, and the transmission motor 8 is started. The transmission motor 8 drives the first rotating rod 9 and the first gear 12 to rotate, the first rotating rod 9 drives the stirring blade 10 to rotate, the first gear 12 drives the second gear 13 to rotate, the second gear 13 drives the second rotating rod 14 to rotate, and the second rotating rod 14 drives the stirring rod 15 to rotate, and the raw materials are multiple stirred. The air pump 18 is started, and the air pump 18 extracts the gas in the reactor body 1, enters the heating box 20 through the first connecting pipe 19, and is heated by the heating plate 21. The heated gas enters the reactor body 1 through the second connecting pipe 24 to heat the raw materials.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A pharmaceutical intermediate reactor, characterized in that: include: A kettle body (1), wherein the upper end of the kettle body (1) is fixedly connected to a transmission motor (8), the output shaft of the transmission motor (8) is fixedly connected to a first rotating rod (9), the outer surface of the first rotating rod (9) is fixedly connected to a stirring blade (10) and a first gear (12), a transmission cavity (11) is provided inside the kettle body (1), a second gear (13) is symmetrically rotated inside the transmission cavity (11), a second rotating rod (14) is fixedly connected to the lower end of the second gear (13), and a plurality of pairs of stirring rods (15) are fixedly connected to the outer surface of the second rotating rod (14); A heat medium storage chamber (5) is provided inside the kettle body (1); an air pump (18) is fixedly connected to the upper end of the kettle body (1); a first connecting pipe (19) is fixedly connected to the upper end of the air pump (18); a heating box (20) is fixedly connected to the upper end of the kettle body (1); the upper end of the first connecting pipe (19) is fixedly connected to the upper end of the heating box (20); a plurality of heating plates (21) are fixedly connected inside the heating box (20); and a second connecting pipe (24) is fixedly connected to one side of the heating box (20).

2. A pharmaceutical intermediate reaction kettle according to claim 1, characterized in that: The first gear (12) is located inside the transmission chamber (11).

3. A pharmaceutical intermediate reaction kettle according to claim 1, characterized in that: The first gear (12) is meshed with the second gear (13).

4. A pharmaceutical intermediate reaction kettle according to claim 1, characterized in that: A liquid inlet (6) is provided on one side of the kettle body (1), and a liquid outlet (7) is provided on the other side of the kettle body (1); the liquid inlet (6) and the liquid outlet (7) are in communication with the heat medium storage chamber (5).

5. A pharmaceutical intermediate reaction kettle according to claim 1, characterized in that: An air outlet (16) and an air inlet (17) are provided on the upper surface of the kettle body (1), an air extraction pipe of the air pump (18) is located in the air outlet (16), and one end of the second connecting pipe (24) is fixed in the air inlet (17).

6. A pharmaceutical intermediate reaction kettle according to claim 1, characterized in that: The upper surface of the heating box (20) is provided with a first opening (22), and one side of the heating box (20) is provided with a second opening (23).

7. A pharmaceutical intermediate reaction kettle according to claim 1, characterized in that: The upper end of the kettle body (1) is fixedly connected with a feed pipe (2).

8. A pharmaceutical intermediate reaction kettle according to claim 1, characterized in that: A discharge pipe (3) is fixedly connected to the lower end of the kettle body (1), and a valve (4) is arranged inside the discharge pipe (3).

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