CN221816144U - A continuous stirred reactor - Google Patents

Abstract

The utility model discloses a continuous stirring reaction kettle, and relates to the technical field of material mixing reaction. The utility model comprises a kettle body, a kettle cover, a partition plate, a rotating shaft and stirring shafts, wherein the upper end of the kettle body is fixedly provided with the kettle cover, the center of the inner wall of the kettle body is fixedly provided with the transverse partition plate, the center of the partition plate is connected with the rotating shaft in a penetrating and rotating way, two stirring shafts are symmetrically arranged in the kettle body outside each main gear, the bottom of the partition plate is provided with symmetrically distributed clamping grooves, and a sealing plate is inserted into each clamping groove. The utility model solves the problems that the conventional reaction kettle can not realize continuous stirring and the stirring mode of the reaction kettle is not thorough and sufficient by arranging the separation plate, the kettle body, the sealing plate, the rotating shaft, the stirring paddle, the stirring shaft and the stirring impeller.

Description

A continuous stirred reactor

Technical Field

The utility model belongs to the technical field related to material mixing reaction, in particular to a continuous stirring reactor.

Background Art

A reactor is a device used for chemical reactions, physical and chemical processes, and laboratory research. According to different process requirements, it can be divided into atmospheric pressure reactors, high-pressure reactors, vacuum reactors, and other types. It can accommodate chemical reactions under high pressure and high temperature conditions, and can be heated or cooled during the reaction to adjust the reaction rate and product yield. The basic structure of a reactor includes a main body, a mixer, a heating/cooling system, an agitator, and other auxiliary systems. Its volume ranges from a few milliliters to hundreds of cubic meters, and can be selected according to the volume required for the reaction process. Among them, the stirred reactor is the most common, which can stir the reaction mixture during the reaction. This type of reactor is suitable for reaction conditions that require sufficient mixing of the reactants to ensure that the reaction achieves good results, but as far as the current stirred reactor is concerned, it still has the following disadvantages during the stirring reaction process:

1. Conventional reactors are all integrated and can only stir a certain mixed solution quantitatively. During this process, the next stirring operation can only be carried out after the stirring is completed. Usually, the stirring is divided into a certain degree. For example, after the initial mixing and stirring, it is necessary to directly put it into another reactor for a second stirring and mixing. However, these two steps cannot be carried out in the same reactor, that is, continuous stirring reaction cannot be achieved;

2. Conventional stirred reactors are equipped with a separate stirring paddle or other agitator structures for stirring and mixing, but such agitators are usually limited to a certain spatial part and can only stir in a certain part, and usually centrifugal stirring, which is not sufficient for the stirring area.

Utility Model Content

The utility model aims to provide a continuous stirring reactor, which solves the problems that conventional reactors cannot achieve continuous stirring and the stirring method of the reactor is not thorough and sufficient by arranging a partition plate, a reactor body, a sealing plate, a rotating shaft, a stirring paddle, a stirring shaft and a stirring impeller.

In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

The utility model discloses a continuous stirring reactor, comprising a reactor body, a reactor cover, a partition plate, a rotating shaft and a stirring shaft. The upper end of the reactor body is fixed with a reactor cover, a horizontally placed partition plate is fixed at the center of the inner wall of the reactor body, a rotating shaft is connected to the center of the partition plate in a through-type rotation manner, main gears are fixed on the outer circumference of the rotating shaft above and below the partition plate, and stirring paddles distributed in a ring array are fixed on the outer circumference of the rotating shaft above and below each main gear;

Two stirring shafts are symmetrically arranged in the kettle outside each main gear, a secondary gear is fixed in the middle of the outer circumference of the stirring shaft, and stirring impellers are fixed on the upper and lower parts of the stirring shaft above and below the secondary gear;

The bottom of the partition plate is provided with symmetrically distributed card slots, and a sealing plate is inserted into each card slot. The upper end of the partition plate is also provided with a through hole interconnected with the card slot.

Furthermore, a motor is fixed at the center of the upper end of the kettle cover, and the output shaft of the motor passes through the kettle cover downward and is fixed with a coupling, and the bottom of the coupling is fixedly connected to the upper part of the rotating shaft.

Furthermore, one end of the sealing plate away from the partition plate penetrates through the kettle body and extends outward, and an angle plate is fixed on the outer peripheral surface of the kettle body below the sealing plate, and the end of the sealing plate extending out of the kettle body is rotatably connected to an adjusting screw, and a section of the adjusting screw away from the sealing plate is threadedly connected to the vertical portion of the angle plate.

Furthermore, legs distributed in a circular array are fixed to the outer periphery of the kettle body, and the legs are located below the angle plate. A discharge pipe with a valve is fixed through the bottom of the kettle body.

Furthermore, a Y-shaped bracket is fixed on the inner wall of the kettle body, and rotating parts are fixed at both ends of the Y-shaped bracket away from the inner wall of the kettle body. The two rotating parts on the same Y-shaped bracket are connected to the stirring shaft for common rotation, and the sub-gear is located between the two rotating parts.

Furthermore, the main gear is meshedly connected with two sub gears on the same horizontal line, and the inner diameter of the main gear is larger than the inner diameter of the sub gears.

Furthermore, feed pipes with different inner diameters are vertically penetrated and fixed in the kettle covers on both sides of the motor.

The utility model has the following beneficial effects:

1. The utility model solves the problem that conventional reactors cannot achieve continuous stirring by arranging a partition plate, a kettle body, a sealing plate, a rotating shaft, and a stirring paddle; the inner cavity of the kettle body is divided into an upper and lower part by the partition plate, thereby dividing the slurry in the kettle body into two parts, and the sealing plate is inserted into the partition plate to close the through hole, thereby dividing the inner cavity of the kettle body. At this time, the rotation of the rotating shaft and the stirring paddle can be used to control the slurry in the upper and lower areas of the partition plate to be mixed and stirred. After the slurry is initially mixed and stirred, it can be guided into the kettle body below the partition plate, and then the partition plate is closed, and then new slurry is added into the kettle body above the partition plate for initial mixing and stirring. At this time, the slurry below the partition plate will continue to be fully mixed without affecting each other, which is more efficient and saves time for mixing and stirring.

2. The utility model solves the problem that the stirring method of the conventional reactor is not thorough and sufficient by providing a rotating shaft, a stirring paddle, a stirring shaft, and a stirring impeller. The conventional reactor usually has only one agitator for stirring, and the stirring is not sufficient. The utility model drives the stirring paddle to rotate through the rotating shaft, thereby stirring the slurry and diffusing it to the outer circle, and then cooperates with the stirring shaft to drive the rotation of the stirring impeller to further stir and disrupt the diffused slurry. Four stirring paddles are provided to fully diffuse the slurry in the center of the kettle body, and four groups of stirring impellers are provided on each stirring shaft, which can fully contact the slurry in each part, thereby fully stirring and mixing it.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

FIG1 is a perspective view of a continuous stirred reactor;

FIG2 is a structural diagram of the kettle body and kettle cover after being cut open;

FIG3 is a connection diagram of the partition plate and the rotating shaft;

Fig. 4 is a transmission diagram of the rotating shaft and the stirring shaft;

Fig. 5 is a bottom view of the kettle cover;

FIG. 6 is a diagram showing the plug-in state of the partition plate and the sealing plate.

Reference numerals:

1. Kettle body; 101. Leg; 102. Discharge pipe; 103. Angle plate; 104. Y-shaped bracket; 1041. Rotating part; 2. Kettle cover; 201. Motor; 2011. Coupling; 202. Inlet pipe; 3. Partition plate; 301. Sealing plate; 302. Adjusting screw; 303. Slot; 304. Through hole; 4. Rotating shaft; 401. Main gear; 402. Agitator; 5. Agitator shaft; 501. Agitator impeller; 502. Sub gear.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

Please refer to Figures 1-6. The utility model is a continuous stirring reactor, comprising a reactor body 1, a reactor cover 2, a partition plate 3, a rotating shaft 4 and a stirring shaft 5. The upper end of the reactor body 1 is fixed with a reactor cover 2, a horizontally placed partition plate 3 is fixed at the center of the inner wall of the reactor body 1, and a rotating shaft 4 is rotatably connected to the center of the partition plate 3. Main gears 401 are fixed on the outer circumference of the rotating shaft 4 located above and below the partition plate 3, and stirring paddles 402 distributed in a ring array are fixed on the outer circumference of the rotating shaft 4 above and below each main gear 401.

The kettle body 1 is used as the main reaction container, and a partition plate 3 is arranged inside the kettle body to separate the reaction chamber into two parts. The kettle cover 2 is then placed on the upper end of the kettle body 1 to seal it. The rotating shaft 4 can drive the main gear 401 and the stirring paddle 402 to rotate, so as to stir, mix, diffuse, and agitate the slurry in the kettle body 1.

Two stirring shafts 5 are symmetrically arranged in the kettle body 1 outside each main gear 401, a sub-gear 502 is fixed in the middle of the outer circumference of the stirring shaft 5, and stirring impellers 501 are fixed on the upper and lower parts of the stirring shaft 5 above and below the sub-gear 502;

The rotation of the rotating shaft 4 can cause the main gear 401 to engage with the transmission sub-gear 502 to rotate, thereby causing the corresponding stirring shaft 5 to rotate. The rotation of the stirring shaft 5 will drive the stirring impeller 501 distributed thereon to rotate, thereby causing the stirring impeller 501 to fully stir and mix the slurry in the kettle body 1.

The bottom of the partition plate 3 is provided with symmetrically distributed card slots 303, and each card slot 303 is plugged with a sealing plate 301. The upper end of the partition plate 3 is also provided with a through hole 304 that communicates with the card slot 303.

When the sealing plate 301 is inserted into the slot 303, the through hole 304 can be closed. At this time, the slurry on the upper part of the partition plate 3 cannot flow into the lower part of the partition plate 3. Otherwise, the slurry will flow down, thereby dividing the reaction space.

A motor 201 is fixed at the center of the upper end of the kettle cover 2, and the output shaft of the motor 201 passes through the kettle cover 2 downward and is fixed with a coupling 2011, and the bottom of the coupling 2011 is fixedly connected to the upper part of the rotating shaft 4;

The motor 201 works as a driving force for stirring, and then drives the rotating shaft 4 to rotate through the coupling 2011, so as to facilitate the subsequent stirring and mixing operations.

One end of the sealing plate 301 away from the partition plate 3 penetrates the kettle body 1 and extends outward, and an angle plate 103 is fixed on the outer peripheral surface of the kettle body 1 below the sealing plate 301, and the end of the sealing plate 301 extending outside the kettle body 1 is rotatably connected to the adjusting screw 302, and a section of the adjusting screw 302 away from the sealing plate 301 is threadedly connected to the vertical part of the angle plate 103;

By rotating the adjusting screw 302 in the angle plate 103 , its horizontal displacement is controlled, thereby changing the position of the sealing plate 301 , and determining whether the sealing plate 301 is inserted into the partition plate 3 .

The outer periphery of the kettle body 1 is also fixed with supporting legs 101 distributed in a circular array, and the supporting legs 101 are located below the angle plate 103, and a discharge pipe 102 with a valve is fixed through the bottom of the kettle body 1; the supporting legs 101 are used to stably support the kettle body 1, and the discharge pipe 102 is used to discharge the mixed slurry in the kettle body 1.

A Y-shaped bracket 104 is fixed on the inner wall of the kettle body 1, and rotating parts 1041 are fixed on both ends of the Y-shaped bracket 104 away from the inner wall of the kettle body 1. The two rotating parts 1041 on the same Y-shaped bracket 104 are connected to the stirring shaft 5 for common rotation, and the sub-gear 502 is located between the two rotating parts 1041;

The installation position of the stirring shaft 5 is determined by the Y-shaped bracket 104 and the rotating member 1041 , so that the stirring shaft 5 is suspended to a certain extent, and then the main gear 401 is engaged with the transmission sub-gear 502 to rotate, thereby rotating the stirring shaft 5 and the stirring impeller 501 .

The main gear 401 is meshed with two sub gears 502 on the same horizontal line, and the inner diameter of the main gear 401 is larger than that of the sub gears 502. Gears with different inner diameters are used to form a speed increasing structure, so that the stirring shaft 5 rotates faster.

Feed pipes 202 with different inner diameters are vertically penetrated and fixed in the kettle cover 2 on both sides of the motor 201; the feed pipes 202 with different inner diameters are used to input slurry with different flow rates.

The specific working principle of the utility model is as follows: the utility model is mainly used for liquid-liquid mixing and gas-liquid mixing. The kettle body 1 is used as the main reaction container. A partition plate 3 is arranged therein to separate the reaction chamber into two parts. The adjusting screw 302 in the rotating angle plate 103 is controlled to horizontally move, thereby changing the position of the sealing plate 301. The sealing plate 301 is inserted into the partition plate 3 to close the through hole 304, so that the upper and lower areas of the partition plate 3 cannot communicate with each other. Subsequently, slurries of different flow rates are input through the feed pipe 202. Secondly, the motor 201 works as a driving force for stirring, and then the shaft 4 is driven to rotate through the coupling 2011. The shaft 4 can drive the main gear 401 and the stirring paddle 402 to rotate, so as to stir, mix, diffuse and agitate the slurry in the kettle body 1; and The rotation of the rotating shaft 4 can cause the main gear 401 to engage the transmission sub-gear 502 to rotate, thereby causing the corresponding stirring shaft 5 to rotate. The rotation of the stirring shaft 5 will drive the stirring impeller 501 distributed thereon to rotate, thereby causing it to fully stir and mix the slurry in the kettle body 1. After preliminary mixing, the sealing plate 301 is opened to allow the through hole 304 and the card slot 303 to communicate with each other. At this time, the slurry on the upper part of the partition plate 3 will flow into the kettle body 1 below the partition plate 3 through the through hole 304, and then the sealing plate 301 is inserted into the card slot 303 to close the partition plate 3. At this time, new slurry can continue to be added to the kettle body 1 above the partition plate 3 for mixing, and the slurry below the partition plate 3 will also be further fully mixed without affecting each other, which is more efficient and realizes continuous stirring reaction operation.

The above are only preferred embodiments of the present invention and do not limit the present invention. Any modification to the technical solutions described in the aforementioned embodiments and any equivalent replacement of some of the technical features therein, as well as any modification, equivalent replacement and improvement made, are within the protection scope of the present invention.

Claims (7)

1. The utility model provides a continuous stirring reation kettle, includes the cauldron body (1), kettle cover (2), division board (3), pivot (4) and (5), its characterized in that: the kettle comprises a kettle body (1), wherein a kettle cover (2) is fixed at the upper end of the kettle body (1), a transverse partition plate (3) is fixed at the center of the inner wall of the kettle body (1), a rotating shaft (4) is connected with the center of the partition plate (3) in a penetrating and rotating mode, main gears (401) are fixed on the outer peripheral surfaces of the rotating shaft (4) above and below the partition plate (3), and stirring paddles (402) distributed in an annular array are fixed on the outer peripheral surfaces of the rotating shaft (4) above and below each main gear (401);

Two stirring shafts (5) are symmetrically arranged in the kettle body (1) outside each main gear (401), a pinion (502) is fixed in the middle of the periphery of the stirring shaft (5), and stirring impellers (501) are fixed on the upper and lower parts of the stirring shafts (5) above and below the pinion (502);

Clamping grooves (303) which are symmetrically distributed are formed in the bottom of the separation plate (3), a sealing plate (301) is inserted into each clamping groove (303), and through holes (304) communicated with the clamping grooves (303) are formed in the upper end of the separation plate (3).

2. The continuous stirred tank reactor of claim 1, wherein: the motor (201) is fixed at the center of the upper end of the kettle cover (2), an output shaft of the motor (201) downwards penetrates through the kettle cover (2) and is fixedly provided with a coupler (2011), and the bottom of the coupler (2011) is fixedly connected with the upper part of the rotating shaft (4).

3. The continuous stirred tank reactor of claim 1, wherein: one end of the sealing plate (301) far away from the separation plate (3) outwards penetrates through the kettle body (1) and stretches out, the corner plate (103) is fixed on the outer peripheral surface of the kettle body (1) below the sealing plate (301), one end of the sealing plate (301) stretching out of the kettle body (1) is rotationally connected with the adjusting screw (302), and one section of the adjusting screw (302) far away from the sealing plate (301) is in threaded connection with the vertical part of the corner plate (103).

4. A continuous stirred tank reactor according to claim 3, characterized in that: the periphery of the kettle body (1) is also fixed with support legs (101) distributed in an annular array, the support legs (101) are positioned below the angle plate (103), and the bottom of the kettle body (1) is fixedly provided with a discharge pipe (102) with a valve in a penetrating way.

5. The continuous stirred tank reactor of claim 1, wherein: the stirring device is characterized in that a Y-shaped support (104) is fixed on the inner wall of the kettle body (1), rotating pieces (1041) are fixed at two ends, far away from the inner wall of the kettle body (1), of the Y-shaped support (104), stirring shafts (5) are connected in the two rotating pieces (1041) on the same Y-shaped support (104) in a common rotating mode, and a pinion (502) is located between the two rotating pieces (1041).

6. The continuous stirred tank reactor of claim 1, wherein: the main gear (401) is in meshed connection with the two auxiliary gears (502) which are positioned on the same horizontal line, and the inner diameter of the main gear (401) is larger than that of the auxiliary gears (502).

7. A continuous stirred tank reactor according to claim 2, characterized in that: and feeding pipes (202) with different inner diameters are vertically and fixedly penetrated in the kettle covers (2) at two sides of the motor (201).