Helical ribbon type stirring reaction kettle

Abstract

The utility model discloses a helical ribbon type stirring reaction kettle which comprises a kettle body and a stirring device, a transmission bin and a stirring bin are arranged in the kettle body, the stirring device comprises a driving motor, a main stirrer and an auxiliary stirrer, the main stirrer comprises a main stirring shaft arranged in the stirring bin, the main stirring shaft is connected with helical ribbon type blades through fixing rods, and the helical ribbon type blades are connected with the driving motor. The main stirring shaft is of a hollow structure, the auxiliary stirrer comprises an auxiliary stirring shaft penetrating through the main stirring shaft, the auxiliary stirring shaft is rotationally connected with the inner wall of the main stirring shaft through a bearing, and the bottom end of the auxiliary stirring shaft extends to the position below the main stirring shaft and is connected with two auxiliary stirring rods; and the driving motor can drive the main stirring shaft and the auxiliary stirring shaft to rotate reversely through a transmission structure. According to the helical ribbon type stirring reaction kettle disclosed by the utility model, materials at the bottom of the reaction kettle can be stirred, so that the condition that the materials at the bottom of the reaction kettle are precipitated is avoided; moreover, the stirring direction of the auxiliary stirrer is opposite to that of the main stirrer, so that the mixing effect of the materials in the reaction kettle is better.

Description

Technical Field

[0001] The utility model relates to a spiral ribbon stirring reactor. Background Art

[0002] Reactors are widely used in the fields of petroleum, chemical industry, rubber, pesticides, dyes, medicine, food, etc. Their structure generally consists of a reactor body, transmission device, stirring device, heating device, cooling device, and sealing device. The stirring device is connected to a drive motor to rotate the agitator in the stirring device to accelerate the reaction. Common agitators include propeller type, paddle type, and turbine type.

[0003] However, conventional stirred reactors have the following problems: The stirring effect is poor when stirring viscous materials, which reduces the reactor's production efficiency. Furthermore, it is difficult to ensure the mixing of materials outside the stirring range, which can easily lead to material accumulation at the bottom of the reactor after stirring. This ultimately leads to uneven mixing of materials and affects the quality of chemical production. Therefore, a corresponding technical solution is needed to address these issues. Summary of the Invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a spiral ribbon stirring reactor to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the technical solution of the utility model is to design a spiral ribbon stirring reactor, including a reactor body and a stirring device.

[0006] A partition is provided inside the kettle body, which divides the internal space of the kettle body into a transmission chamber and a mixing chamber, and the transmission chamber is located above the mixing chamber;

[0007] The agitator comprises a driving motor, a main agitator and an auxiliary agitator, the driving motor being arranged on the top of the kettle body, and the output shaft of the driving motor extends into the transmission bin and is connected to the first gear and the third gear, the main agitator comprises a main agitator shaft arranged in the mixing bin, the main agitator shaft is connected to a spiral blade through a fixed rod, the main agitator shaft is rotatably connected to the partition through a bearing, and the top end of the main agitator shaft extends into the transmission bin and is connected to the second gear, the first gear is meshed with the second gear, the main agitator shaft is a hollow structure, the auxiliary agitator comprises a auxiliary agitator shaft penetrated by the main agitator shaft, the auxiliary agitator shaft is rotatably connected to the inner wall of the main agitator shaft through a bearing, the bottom end of the auxiliary agitator shaft extends to the bottom of the main agitator shaft and is connected to two auxiliary agitating rods, and the top end of the auxiliary agitator shaft extends to the top of the main agitator shaft and is connected to the fifth gear, the interior of the transmission bin is connected to the fourth gear through a rotating shaft, the fourth gear is located between the third gear and the fifth gear, and the fourth gear is meshed with the third gear and the fifth gear respectively.

[0008] Preferably, the two auxiliary stirring rods are symmetrically arranged with respect to the axis of the auxiliary stirring shaft, and the auxiliary stirring rod is an L-shaped structure.

[0009] Preferably, the auxiliary stirring rod is connected to a plurality of stirring support rods.

[0010] Preferably, a feed pipe is provided on the top of the kettle body, an openable cover is provided on the top end of the feed pipe, and the bottom end of the feed pipe extends into the stirring chamber.

[0011] Preferably, an exhaust pipe is provided on the side of the kettle body, and one end of the exhaust pipe extends into the stirring chamber.

[0012] Preferably, the bottom of the kettle body is in an inverted cone shape, and the bottom of the kettle body is connected to a discharge pipe, and the discharge pipe is provided with a switch valve.

[0013] The advantages and beneficial effects of the utility model are: providing a spiral ribbon stirred reactor with a reasonable structure. By arranging a secondary agitator, the material at the bottom of the reactor can be stirred, thereby avoiding the situation where the material at the bottom of the reactor is not effectively stirred and precipitated; and, by arranging the secondary agitator in a stirring direction opposite to that of the main agitator, the material in the reactor can be formed into turbulent flow, thereby achieving a better mixing effect of the material in the reactor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the present utility model.

[0015] Figure 2 yes Figure 1 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0016] The following embodiments are used to further describe the specific embodiments of the present invention in conjunction with the accompanying drawings and examples. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention.

[0017] The technical solution specifically implemented in this utility model is:

[0018] like Figure 1 and Figure 2 As shown, a ribbon stirring reactor comprises a reactor body 1 and a stirring device.

[0019] A partition 2 is provided inside the kettle body 1, and the partition 2 divides the internal space of the kettle body 1 into a transmission chamber 3 and a mixing chamber 4. The transmission chamber 3 is located above the mixing chamber 4.

[0020] The stirring device includes a driving motor 5, a main stirrer and an auxiliary stirrer. The driving motor 5 is arranged on the top of the kettle body 1, and the output shaft of the driving motor 5 extends into the transmission chamber 3 and is connected to the first gear 6 and the third gear 7. The main stirrer includes a main stirring shaft 8 arranged in the stirring chamber 4, and the main stirring shaft 8 is connected to a spiral blade 10 through a fixed rod 9. The main stirring shaft 8 is rotatably connected to the partition 2 through a bearing, and the top end of the main stirring shaft 8 extends into the transmission chamber 3 and is connected to the second gear 11. The first gear 6 is meshed with the second gear 11. The main stirring shaft 8 is central. Empty structure, the auxiliary agitator includes an auxiliary agitator shaft 12 passing through the main agitator shaft 8, the auxiliary agitator shaft 12 is rotatably connected to the inner wall of the main agitator shaft 8 through a bearing, the bottom end of the auxiliary agitator shaft 12 extends to the bottom of the main agitator shaft 8 and is connected to two auxiliary agitator rods 13, and the top end of the auxiliary agitator shaft 12 extends to the top of the main agitator shaft 8 and is connected to a fifth gear 14, the interior of the transmission chamber 3 is connected to a fourth gear 16 through a rotating shaft 15, the fourth gear 16 is located between the third gear 7 and the fifth gear 14, and the fourth gear 16 is respectively engaged with the third gear 7 and the fifth gear 14.

[0021] By adopting the above solution, the ribbon-type stirring reactor of the utility model is used:

[0022] By starting the drive motor 5 to rotate, the first gear 6 and the third gear 7 are rotated, and the first gear 6 drives the main stirring shaft 8 and the spiral blade 10 connected to the main stirring shaft 8 through the second gear 11 to stir the material in the kettle body 1; at the same time, the third gear 7 drives the auxiliary stirring shaft 12 and the auxiliary stirring rod 13 connected to the auxiliary stirring shaft 12 to rotate through the fourth gear 16 and the fifth gear 14 to stir the material at the bottom of the kettle body 1 to avoid sedimentation of the material at the bottom of the kettle body 1; and, since the stirring directions of the auxiliary agitator are opposite to those of the main agitator, turbulence of the material in the kettle body 1 can be formed, thereby achieving a better mixing effect of the material in the kettle body 1.

[0023] Furthermore, the two auxiliary stirring rods 13 are symmetrically arranged with respect to the axis of the auxiliary stirring shaft 12 , and the auxiliary stirring rods 13 are L-shaped structures.

[0024] Furthermore, a plurality of stirring support rods 17 are connected to the auxiliary stirring rod 13. By adopting the above solution, the stirring effect of the auxiliary stirrer is improved.

[0025] Furthermore, a feed pipe 18 is provided on the top of the kettle body 1, and an openable cover 19 is provided on the top of the feed pipe 18, and the bottom end of the feed pipe 18 extends into the mixing chamber 4. By adopting the above solution, the material can be put into the kettle body 1 through the feed pipe 18 after opening the cover 19.

[0026] Furthermore, an exhaust pipe 20 is provided on the side of the kettle body 1, and one end of the exhaust pipe 20 extends into the mixing chamber 4. By adopting the above solution, the steam generated in the kettle body 1 is discharged through the exhaust pipe 20.

[0027] Furthermore, the bottom of the kettle body 1 is in an inverted cone shape, and a discharge pipe 21 is connected to the bottom of the kettle body 1, and a switch valve 22 is provided on the discharge pipe 21. By adopting the above solution, the material in the kettle body 1 can be discharged through the discharge pipe 21 after opening the switch valve 22.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A ribbon stirred reactor, comprising a reactor body and a stirring device, characterized in that: A partition is provided inside the kettle body, which divides the internal space of the kettle body into a transmission chamber and a mixing chamber, and the transmission chamber is located above the mixing chamber; The agitator comprises a driving motor, a main agitator and an auxiliary agitator, the driving motor being arranged on the top of the kettle body, and the output shaft of the driving motor extends into the transmission bin and is connected to the first gear and the third gear, the main agitator comprises a main agitator shaft arranged in the mixing bin, the main agitator shaft is connected to a spiral blade through a fixed rod, the main agitator shaft is rotatably connected to the partition through a bearing, and the top end of the main agitator shaft extends into the transmission bin and is connected to the second gear, the first gear is meshed with the second gear, the main agitator shaft is a hollow structure, the auxiliary agitator comprises a auxiliary agitator shaft penetrated by the main agitator shaft, the auxiliary agitator shaft is rotatably connected to the inner wall of the main agitator shaft through a bearing, the bottom end of the auxiliary agitator shaft extends to the bottom of the main agitator shaft and is connected to two auxiliary agitating rods, and the top end of the auxiliary agitator shaft extends to the top of the main agitator shaft and is connected to the fifth gear, the interior of the transmission bin is connected to the fourth gear through a rotating shaft, the fourth gear is located between the third gear and the fifth gear, and the fourth gear is meshed with the third gear and the fifth gear respectively.

2. The ribbon stirred reactor according to claim 1, characterized in that The two auxiliary stirring rods are symmetrically arranged relative to the axis of the auxiliary stirring shaft, and the auxiliary stirring rods are L-shaped structures.

3. The ribbon stirred reactor according to claim 2, characterized in that: The auxiliary stirring rod is connected to a plurality of stirring support rods.

4. The ribbon stirred reactor according to claim 1, characterized in that A feed pipe is provided on the top of the kettle body, an openable cover is provided on the top of the feed pipe, and the bottom end of the feed pipe extends into the stirring bin.

5. The ribbon stirred reactor according to claim 1, characterized in that: An exhaust pipe is provided on the side of the kettle body, and one end of the exhaust pipe extends into the stirring chamber.

6. The ribbon stirred reactor according to claim 1, characterized in that: The bottom of the kettle body is in an inverted cone shape, and the bottom of the kettle body is connected to a discharge pipe, and a switch valve is provided on the discharge pipe.

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