Enamel reactor with preheating device for producing styrene-acrylate emulsion

Abstract

This utility model discloses an enamel-lined reactor for the production of styrene-acrylic emulsion with a preheating device, relating to the technical field of styrene-acrylic emulsion production equipment. The preheating cylinder contains an inner vessel, with a preheating space between them. Support legs are fixedly connected to the bottom of the preheating cylinder. Heating plates are uniformly fixedly connected to the inner sidewall and bottom of the preheating cylinder. Several heat transfer rings are uniformly fixedly connected to the outer sidewall of the inner vessel. A heat transfer plate is fixedly connected to the bottom of the inner vessel. A heated stirring shaft is movably connected to a movable hole in the top plate. Several stirring rods are fixedly connected to the lower outer sidewall of the heated stirring shaft. Two lifting mechanisms are fixedly connected to the top plate, with the front ends of the rods of the two lifting mechanisms connected to the bottom of the mounting plate. This utility model achieves preheating for emulsification, while simultaneously enabling rapid stirring during preheating and direct heating during emulsification, facilitating rapid operation, high stability, and fast reaction speed.

Description

Technical Field

[0001] This utility model belongs to the technical field of styrene-acrylic emulsion production equipment, specifically relating to an enamel-lined reactor with a preheating device for styrene-acrylic emulsion production. Background Technology

[0002] The enamel-lined reactor for styrene-acrylic emulsion production is an auxiliary device used in the production of styrene-acrylic emulsions and is widely used in this field. However, existing styrene-acrylic emulsion production methods have the following problems: I. The existing method of directly adding styrene-acrylic emulsion to the reactor for emulsification reaction results in a slow emulsification efficiency.

[0003] Second, in order to increase the reaction rate, preheating is used to increase the rate. However, the existing preheating method results in uneven heating of the vessel and high power consumption.

[0004] Third, during the reaction, the temperature may not be up to standard, which slows down the emulsification process. Summary of the Invention

[0005] To address the problems mentioned in the background section, the purpose of this invention is to provide an enamel-lined reactor with a preheating device for the production of styrene-acrylic emulsion.

[0006] This utility model discloses an enamel-lined reactor for the production of styrene-acrylic emulsion with a preheating device, comprising a preheating cylinder, an inner reactor body, supporting legs, heating elements, a heat transfer ring, a temperature sensor, a temperature controller, a discharge pipe, a feed pipe, a heated stirring shaft, a stirring rod, a lifting mechanism, a mounting plate, gear one, gear two, and a drive motor. The inner reactor body is housed inside the preheating cylinder. A top plate is fixedly installed at the upper end of both the preheating cylinder and the inner reactor body, and a feed pipe is fixedly connected to the top plate, communicating with the inner reactor body. A preheating space is provided between the preheating cylinder and the inner reactor body. Supporting legs are fixedly connected to the bottom of the preheating cylinder, and a discharge pipe is fixedly connected to the bottom of the inner reactor body. Heating elements are evenly fixedly connected to the inner wall and bottom of the preheating cylinder. Temperature sensors are fixedly installed on both the inner wall of the preheating cylinder and the inner wall of the inner reactor body. The temperature sensor is connected to the input terminal of the temperature controller via wires. The output terminal of the temperature controller is electrically connected to the heating element. Several heat transfer rings are evenly fixedly connected to the outer wall of the inner vessel. A heat transfer plate is fixedly connected to the bottom of the inner vessel. The heating stirring shaft is movably connected to the movable hole in the top plate. Several stirring rods are fixedly connected to the lower outer side wall of the heating stirring shaft. Two lifting mechanisms are fixedly connected to the top plate respectively. The front ends of the rods of the two lifting mechanisms are connected to the bottom of the mounting plate. The upper end of the heating stirring shaft is fixedly connected to the mounting hole of the mounting plate through bearings and retaining springs. Gear 1 is fixedly connected to the upper end of the heating stirring shaft. Gear 1 meshes with Gear 2. Gear 2 is fixedly connected to the shaft of the drive motor. The drive motor is fixedly connected to the mounting plate.

[0007] As a preferred embodiment, the preheating cylinder is an insulated cylinder.

[0008] As a preferred embodiment: an exhaust hole is provided on the top plate, and an exhaust valve is fixedly connected inside the exhaust hole, with the exhaust valve communicating with the preheating space.

[0009] As a preferred embodiment: the heat transfer ring body includes a heat transfer ring and a raised ring; the raised ring is fixedly connected to the outer side wall of the heat transfer ring.

[0010] As a preferred embodiment, a valve is fixedly connected to the feeding pipe.

[0011] As a preferred embodiment: the feed tube body includes a feed tube and a dust cover; the upper side of the feed tube is connected to the dust cover by threads, and the dust cover has an air hole in the middle.

[0012] As a preferred embodiment: the heated stirring shaft has an air jet hole inside, and several air jet nozzles are evenly fixedly connected to the heated stirring shaft. The air jet nozzles are connected to the air jet hole, and a rotary connector is fixedly connected to the upper end of the air jet hole.

[0013] As a preferred embodiment: a motor bracket is fixedly connected to the drive motor body, a support groove is provided on the inner lower side of the motor bracket, a fixing hole is provided on the motor bracket, and the motor bracket is bolted through the fixing hole and connected to the mounting thread hole on the side wall of the mounting plate.

[0014] Compared with existing technologies, the beneficial effects of this utility model are as follows: Preheating for emulsification is achieved through the coordinated operation of the preheating cylinder, inner vessel, support legs, heating elements, heat transfer ring, temperature sensor, temperature controller, discharge pipe, feed pipe, heated stirring shaft, stirring rod, lifting mechanism, mounting plate, gear one, gear two, and drive motor. Simultaneously, rapid stirring is achieved during preheating, and direct heating is possible during emulsification, facilitating rapid operation, high stability, and fast reaction speed. Specific advantages include: I. This utility model uses heating elements to preheat the inner vessel. During preheating, heat is transferred to the inner vessel through a heat transfer ring, which makes the inner vessel heated evenly and can improve the speed of subsequent emulsification.

[0015] Second, this utility model improves the uniformity of stirring by using up-and-down movement and stirring, making emulsification more uniform and faster.

[0016] Third, this utility model uses a heated stirring shaft to heat the inner vessel, which can improve the emulsification speed. Attached Figure Description

[0017] For ease of explanation, the present invention will be described in detail below with reference to specific embodiments and accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the top plate structure in this utility model; Figure 3 This is a schematic diagram of the heat transfer ring in this utility model; Figure 4 This is a schematic diagram of the feed pipe body in this utility model; Figure 5 This is a schematic diagram of the mounting plate structure in this utility model; Figure 6 This is a schematic diagram of the drive motor body in this utility model.

[0019] In the diagram: 1-Preheating cylinder; 2-Inner vessel; 3-Support leg; 4-Heating element; 5-Heat transfer ring; 6-Temperature sensor; 7-Temperature controller; 8-Discharge pipe; 9-Feed pipe; 10-Heated stirring shaft; 11-Stirring rod; 12-Lifting mechanism; 13-Mounting plate; 14-Gear 1; 15-Gear 2; 16-Drive motor. 1-1-Top plate; 1-2-Exhaust valve; 1-3-Moveable hole; 5-1-Heat transfer ring; 5-2-Raised ring; 9-1-Feed pipe; 9-2-Dust cover; 9-21-Stomata; 10-1-Air jet hole; 10-2-Air jet nozzle; 10-3-Rotary connector; 13-1-Mounting hole; 13-2-Mounting threaded hole; 16-1-Motor bracket; 16-2-Support groove; 16-3-Fixing hole. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model is described below with reference to specific embodiments shown in the accompanying drawings. However, it should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. The structures, proportions, sizes, etc., illustrated in the accompanying drawings are only for illustrative purposes to aid those skilled in the art and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effects and objectives achieved by this utility model, should still fall within the scope of the technical content disclosed in this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0021] It should also be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and / or processing steps closely related to the solution according to the present invention are shown in the accompanying drawings, while other details that are not closely related to the present invention are omitted.

[0022] Specific implementation method one: Combining Figures 1 to 6The illustration describes this specific embodiment, which uses preheating to preheat the inner vessel 2, thereby increasing the emulsification speed. The specific technical solution includes a preheating cylinder 1, an inner vessel 2, support legs 3, heating elements 4, a heat transfer ring 5, a temperature sensor 6, a temperature controller 7, a discharge pipe 8, and a feed pipe 9. The inner vessel 2 is housed inside the preheating cylinder 1. A top plate 1-1 is fixedly installed at the upper end of both the preheating cylinder 1 and the inner vessel 2, securing the preheating cylinder 1 and the inner vessel 2. A feed pipe 9 is fixedly connected to the top plate 1-1, communicating with the inner vessel 2 and allowing for feeding. A preheating space is provided between the preheating cylinder 1 and the inner vessel 2, providing preheating for the inner vessel 2. The preheating cylinder 1 is an insulated cylinder, which provides insulation during preheating. Several heat transfer rings 5 ​​are evenly fixedly connected to the outer wall of the inner vessel 2. A heat transfer plate is fixedly connected to the bottom of the inner vessel 2. During preheating, the heat transfer rings 5 ​​and the heat transfer plate facilitate rapid heat transfer between the inner vessel 2 and the inner vessel 2. A support leg 3 is fixedly connected to the bottom of the preheating cylinder 1, which provides overall support. A discharge pipe 8 is fixedly connected to the bottom of the inner vessel 2, which enables rapid discharge. Heating elements 4 are evenly fixedly connected to the inner wall and bottom of the preheating cylinder 1, which heat the preheating space and facilitate rapid preheating. Temperature sensors 6 are fixedly installed on the inner wall of both the preheating cylinder 1 and the inner wall of the inner vessel 2. The temperature sensors 6 detect the temperature and are connected to the input of the temperature controller 7 via wires. The output of the temperature controller 7 is electrically connected to the heating elements 4, enabling temperature control.

[0023] Combination Figures 1 to 6The illustration describes this specific embodiment, which employs a vertical motion for rapid stirring and simultaneous rapid heating of the inner vessel 2. The specific technical solution includes a heated stirring shaft 10, stirring rods 11, a lifting mechanism 12, a mounting plate 13, gear one 14, gear two 15, and a drive motor 16. The heated stirring shaft 10 is movably connected to the movable hole 1-3 in the top plate 1-1, enabling rapid heating of the inner vessel 2. Several stirring rods 11 are fixedly connected to the lower outer side wall of the heated stirring shaft 10. Two lifting mechanisms 12 are respectively fixedly connected to the top plate 1-1, and the front ends of the rods of the two lifting mechanisms 12 are connected to the bottom of the mounting plate 13. The lifting mechanism 12 can drive the mounting plate 13 to move up and down. The lifting mechanism 12 is an existing electric push rod or pneumatic push rod. The upper end of the heating stirring shaft 10 is fixedly connected to the mounting hole 13-1 of the mounting plate 13 through bearings and snap rings. Gear 14 is fixedly connected to the upper end of the heating stirring shaft 10. Gear 14 meshes with gear 2 15. Gear 2 15 is fixedly connected to the rotating shaft of the drive motor body 16. The drive motor body 16 is fixedly connected to the mounting plate 13. The drive motor body 16 drives gear 2 15 to rotate. After gear 2 15 meshes with gear 14, it drives the heating stirring shaft 10 to rotate. When the heating stirring shaft 10 rotates, the stirring rod 11 can achieve rapid stirring.

[0024] The working principle of this specific embodiment is as follows: During use, the support leg 3 provides support, and after the material is added, the heating element 4 provides rapid heating to preheat the preheating space and preheat the inner vessel 2. The material is fed through the feed pipe 9. After feeding, the drive motor 16 is started to drive the heated stirring shaft 10 to rotate. When the heated stirring shaft 10 rotates, the stirring rod 11 stirs the raw material, causing the styrene-acrylic emulsion in the inner vessel 2 to be stirred. At the same time, the lifting mechanism 12 can drive the mounting plate 13 to move up and down while stirring, making the stirring more uniform. In order to accelerate the emulsification speed and efficiency, steam is introduced through the heated stirring shaft 10 for heating, which facilitates rapid emulsification. After emulsification is completed, the material is discharged through the discharge pipe 8.

[0025] Specific Implementation Method Two: Combining Figure 1 , Figure 2The illustration shows this specific embodiment. This specific embodiment uses exhaust valve 1-2 to achieve exhaust during preheating. This specific embodiment is a further limitation of specific embodiment one, and the specific technical solution adopted is as follows: an exhaust hole is opened on the top plate 1-1, and an exhaust valve 1-2 is fixedly connected in the exhaust hole. The exhaust valve 1-2 is connected to the preheating space and can achieve rapid exhaust. This specific embodiment can exhaust during the heating of the preheating space to prevent the phenomenon of cracking of the preheating cylinder 1 and the inner vessel 2 due to excessive gas pressure.

[0026] Specific implementation method three: Combining Figure 3 The following describes this specific embodiment, which is a further limitation of embodiment one or two. This specific embodiment achieves heat transfer to the inner vessel body 2 through a heat transfer ring 5. Specifically, the following technical solution is adopted: the heat transfer ring 5 includes a heat transfer ring 5-1 and a raised ring 5-2; the raised ring 5-2 is fixedly connected to the outer wall of the heat transfer ring 5-1. The heat transfer ring 5-1 can achieve rapid heat transfer, while the raised ring 5-2 can improve the heat transfer speed.

[0027] In this specific embodiment, rapid heat transfer to the inner vessel 2 is achieved through the heat transfer ring 5-1, while the raised ring 5-2 can improve the heat transfer speed.

[0028] Specific implementation method four: Combination Figure 1 The following is an illustration of this specific embodiment, which is a further limitation of embodiment one, two or three. This specific embodiment controls the opening and closing of the feeding pipe 8 through a valve, and the specific technical solution adopted is as follows: a valve is fixedly connected to the feeding pipe 8, and the valve can control the opening and closing of the feeding pipe 8.

[0029] Specific Implementation Method Five: Combining Figure 4 The illustration shows this specific embodiment, which is a further limitation of specific embodiments one, two, three or four. This specific embodiment uses a dust cover 9-2 to achieve dust prevention and venting of the feed pipe 9-1. The specific technical solution is as follows: The feed pipe body 9 includes a feed pipe 9-1 and a dust cover 9-2; the upper side of the feed pipe 9-1 is connected to the dust cover 9-2 by threads, the dust cover 9-2 can prevent dust from entering the feed pipe 9-1, and a vent 9-21 is provided in the middle of the dust cover 9-2, which can enable rapid venting during heating.

[0030] Specific Implementation Method Six: Combination Figure 1The illustration shows this specific embodiment, which is a further limitation of embodiment one, two, three, four, or five. In this specific embodiment, the heating of the inner vessel 2 is achieved by a heating stirring shaft 10. The heating stirring shaft 10 has an air jet hole 10-1 inside. Several air jet nozzles 10-2 are uniformly fixedly connected to the heating stirring shaft 10. The air jet nozzles 10-2 are connected to the air jet hole 10-1. A rotary connector 10-3 is fixedly connected to the upper end of the air jet hole 10-1. The rotary connector 10-3 can be connected to a steam pipe. When heating is required, steam enters the air jet hole 10-1 and is finally ejected through the air jet nozzles 10-2, so that the interior of the inner vessel 2 is rapidly heated.

[0031] Specific implementation method seven: Combining Figure 5 , Figure 6 The illustration shows this specific embodiment, which is a further limitation of embodiment one, two, three, four, five, or six. This specific embodiment uses a motor bracket 16-1 to fix the drive motor body 16. The specific technical solution is as follows: a motor bracket 16-1 is fixedly connected to the drive motor body 16. A support groove 16-2 is opened on the inner lower side of the motor bracket 16-1. The support groove 16-2 can support the mounting plate 13. A fixing hole 16-3 is opened on the motor bracket 16-1. The motor bracket 16-1 is bolted through the fixing hole 16-3 and connected to the mounting threaded hole 13-2 on the side wall of the mounting plate 13. The motor bracket 16-1 can fix the drive motor body 16.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

[0033] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A porcelain-lined reactor for the production of styrene-acrylic emulsion with a preheating device, characterized in that: The components include a preheating cylinder (1), an inner vessel (2), support legs (3), heating elements (4), a heat transfer ring (5), a temperature sensor (6), a temperature controller (7), a discharge pipe (8), a feed pipe (9), a heated stirring shaft (10), a stirring rod (11), a lifting mechanism (12), a mounting plate (13), gear one (14), gear two (15), and a drive motor (16). The preheating cylinder (1) contains an inner vessel (2), and a top plate is fixedly installed at the upper end of both the preheating cylinder (1) and the inner vessel (2). 1-1), a feed pipe (9) is fixedly connected to the top plate (1-1), the feed pipe (9) is connected to the inner vessel (2), a preheating space is provided between the preheating cylinder (1) and the inner vessel (2), a support leg (3) is fixedly connected to the bottom of the preheating cylinder (1), a discharge pipe (8) is fixedly connected to the bottom of the inner vessel (2), heating plates (4) are evenly fixedly connected to the inner wall and the bottom of the preheating cylinder (1), and temperature sensors (6) are fixedly installed on both the inner wall of the preheating cylinder (1) and the inner wall of the inner vessel (2). The sensor (6) is connected to the input end of the temperature controller (7) via a wire. The output end of the temperature controller (7) is electrically connected to the heating element (4). Several heat transfer rings (5) are evenly fixedly connected to the outer wall of the inner vessel (2). A heat transfer plate is fixedly connected to the bottom of the inner vessel (2). The heating stirring shaft (10) is movably connected to the movable hole (1-3) of the top plate (1-1). Several stirring rods (11) are fixedly connected to the lower outer side wall of the heating stirring shaft (10). Two lifting mechanisms (12) are fixedly connected to the top plate. On plate (1-1), the front ends of the rods of the two lifting mechanisms (12) are connected to the bottom of the mounting plate (13). The upper end of the heating stirring shaft (10) is fixedly connected to the mounting hole (13-1) of the mounting plate (13) through bearings and snap rings. Gear 1 (14) is fixedly connected to the upper end of the heating stirring shaft (10). Gear 1 (14) meshes with gear 2 (15). Gear 2 (15) is fixedly connected to the shaft of the drive motor body (16). The drive motor body (16) is fixedly connected to the mounting plate (13).

2. The enamel-lined reactor for producing styrene-acrylic emulsion with a preheating device according to claim 1, characterized in that: The preheating cylinder (1) is an insulated cylinder.

3. The enamel-lined reactor for producing styrene-acrylic emulsion with a preheating device according to claim 1, characterized in that: The top plate (1-1) is provided with an exhaust hole, and an exhaust valve (1-2) is fixedly connected inside the exhaust hole. The exhaust valve (1-2) is connected to the preheating space.

4. The enamel-lined reactor for producing styrene-acrylic emulsion with a preheating device according to claim 1, characterized in that: The heat transfer ring (5) includes a heat transfer ring (5-1) and a raised ring (5-2); the raised ring (5-2) is fixedly connected to the outer wall of the heat transfer ring (5-1).

5. The enamel-lined reactor for producing styrene-acrylic emulsion with a preheating device according to claim 1, characterized in that: A valve is fixedly connected to the feed pipe (8).

6. The enamel-lined reactor for producing styrene-acrylic emulsion with a preheating device according to claim 1, characterized in that: The feed pipe body (9) includes a feed pipe (9-1) and a dust cover (9-2); the upper side of the feed pipe (9-1) is connected to the dust cover (9-2) by a thread, and the dust cover (9-2) has an air hole (9-21) in the middle.

7. The enamel-lined reactor for producing styrene-acrylic emulsion with a preheating device according to claim 1, characterized in that: The heated stirring shaft (10) has an air jet hole (10-1) inside. Several air jet nozzles (10-2) are evenly fixedly connected to the heated stirring shaft (10). The air jet nozzles (10-2) are connected to the air jet hole (10-1). A rotary connector (10-3) is fixedly connected to the upper end of the air jet hole (10-1).

8. The enamel-lined reactor for producing styrene-acrylic emulsion with a preheating device according to claim 1, characterized in that: A motor bracket (16-1) is fixedly connected to the drive motor body (16). A support groove (16-2) is provided on the inner lower side of the motor bracket (16-1). A fixing hole (16-3) is provided on the motor bracket (16-1). The motor bracket (16-1) is bolted through the fixing hole (16-3) and connected to the mounting thread hole (13-2) on the side wall of the mounting plate body (13).

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