A copolymer continuous mixing reactor

Abstract

The utility model discloses a copolymer continuous mixing reactor, comprising a reactor body, wherein the reactor body is in a can-shaped structure, a stirring mechanism is arranged inside the reactor body, a feeding mechanism is arranged at the upper end of the reactor body, and a discharge port is arranged at the lower end, an annular tube is fixedly connected inside the reactor body, an annular cavity is fixedly connected to the outer peripheral surface of the reactor body, the annular tube is connected to a cooling pipeline, and the annular cavity is connected to a heating pipeline. The utility model arranges the reactor body, and the upper end of the reactor body is fed through the feeding mechanism, so that the material can evenly enter the interior of the reactor body, and the annular tube and the annular cavity are arranged to achieve heating and cooling to ensure a good temperature control effect and a reaction effect, a stirring mechanism is arranged inside the reactor body to accelerate the reaction of the material, the equipment has complete functions, and the reaction effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of polymer material synthesis equipment, in particular to a copolymer continuous mixing reactor. Background Art

[0002] A continuous reactor is one in which the reaction continues without interruption (except for failures). It is usually equipped with a stirring device (mechanical stirring, air flow stirring, etc.), a feeding device, temperature and pressure regulation and monitoring equipment, etc.

[0003] The most commonly used continuous reactors are catalyst fixed bed reactors and continuous stirred tank reactors (CSTR). After improvement, CSTR can adopt the form of catalyst suspended bed. It is mainly used in the large-scale production of chemicals, fuels and polymers.

[0004] The existing continuous mixing reactor has a simple structure and a single function. Therefore, a copolymer continuous mixing reactor is proposed. Utility Model Content

[0005] The utility model aims to provide a copolymer continuous mixing reactor to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a copolymer continuous mixing reactor, comprising a reactor body, the reactor body is in a can-shaped structure, a stirring mechanism is arranged inside the reactor body, a feeding mechanism is arranged at the upper end of the reactor body, and a discharge port is arranged at the lower end, an annular tube is fixedly connected to the inside of the reactor body, an annular cavity is fixedly connected to the outer peripheral surface of the reactor body, the annular tube is connected to a cooling pipeline, and the annular cavity is connected to a heating pipeline.

[0007] According to the above technical solution, the stirring mechanism includes a rotating shaft rotatably arranged inside the reactor body, and a plurality of stirring rods are fixedly connected to the outer peripheral surface of the rotating shaft.

[0008] According to the above technical solution, a rotating plate is rotatably arranged at the upper end of the inner surface of the reactor body, the rotating shaft passes through the end surface of the rotating plate and is fixedly connected to the rotating plate, a stirring sub-rod is passed through and rotatably arranged on the end surface of the rotating plate, a gear is coaxially connected to the upper end of the stirring sub-rod, an internal gear is fixedly connected to the inner circumferential surface of the reactor body, the gear is meshed with the internal gear, a plurality of cross bars are fixedly connected to the outer circumferential surface of the stirring sub-rod, a driving motor is fixedly connected to the upper end of the reactor body, and the driving motor is coaxially connected to the rotating shaft.

[0009] According to the above technical solution, the feeding mechanism includes a plurality of coaxially arranged annular feeding pipes, which are located at the upper end of the reactor body and below the corresponding rotating plate, and a plurality of injection ports are provided through the side wall of the annular feeding pipe.

[0010] According to the above technical solution, an annular feed chamber corresponding to the annular feed pipe is fixedly connected above the corresponding rotating plate inside the reactor body, the annular feed chamber is open at the bottom, and an annular rotating plate is rotatably provided on the inner surface of the annular feed chamber, one end of a connecting pipe is penetrated through the end surface of the annular rotating plate, and the other end of the connecting pipe penetrates the end surface of the rotating plate and is connected to the corresponding annular feed pipe.

[0011] According to the above technical solution, a corrosion-resistant and wear-resistant coating is added to the inner surface of the annular feed cavity to increase the service life of the cavity and reduce the maintenance cost caused by material corrosion or wear;

[0012] According to the above technical solution, the injection port is equipped with a nozzle with an adjustable angle, which can adjust the injection angle and speed according to the raw material characteristics and mixing requirements, and optimize the distribution and mixing effect of the material in the reactor.

[0013] According to the above technical solution, a throttle valve with adjustable flow is provided on the annular tube, which is used to accurately control the flow of the coolant according to the temperature requirement of the material during the reaction process, thereby achieving more efficient temperature control.

[0014] According to the above technical solution, an insulating layer is arranged outside the reactor body, and the insulating layer is composed of multiple layers of composite materials, which aims to reduce the impact of the external environment on the internal temperature of the reactor, improve energy utilization efficiency and ensure the stability of reaction conditions.

[0015] According to the above technical solution, the cooling pipeline is connected to a temperature control system, which can automatically monitor the internal temperature of the reactor and adjust the flow rate of the coolant to ensure that the temperature is maintained within a preset optimal range, thereby improving the reaction efficiency and product quality.

[0016] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: the utility model sets a reactor body, and feeds materials through a feeding mechanism at the upper end of the reactor body, so that the materials can evenly enter the interior of the reactor body; heating and cooling are achieved by setting an annular tube and an annular cavity to ensure a good temperature control effect, so as to ensure the reaction effect; a stirring mechanism is set inside the reactor body to accelerate the reaction of the materials; the equipment is fully functional and the reaction effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0020] Figure 3 It is a schematic diagram of the feeding structure of the utility model;

[0021] In the figure: 1-reactor body, 2-discharge port, 3-annular tube, 4-annular cavity, 5-cooling pipeline, 6-heating pipeline, 7-rotating shaft, 8-stirring rod, 9-rotating plate, 10-stirring auxiliary rod, 11-gear, 12-internal gear, 13-cross bar, 14-driving motor, 15-annular feed pipe, 16-annular feed cavity, 17-annular rotating plate, 18-connecting pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 The utility model provides a technical solution: a copolymer continuous mixing reactor, comprising a reactor body 1, the reactor body 1 is a tank-shaped structure, a stirring mechanism is arranged inside the reactor body 1, a feeding mechanism is arranged at the upper end of the reactor body 1, and a discharge port 2 is arranged at the lower end, an annular tube 3 is fixedly connected inside the reactor body 1, an annular cavity 4 is fixedly connected to the outer peripheral surface of the reactor body 1, the annular tube 3 is connected to a cooling pipeline 5, and the annular cavity 4 is connected to a heating pipeline 6, the annular tube 3 is used to reduce the temperature, and the annular cavity 4 is used to increase the temperature, and a temperature control module is arranged inside the reactor body 1, which is used to monitor the temperature and adjust the internal flow of the annular tube 3 and the annular cavity 4 in real time to achieve a precise temperature control effect;

[0024] Specifically, the stirring mechanism includes a rotating shaft 7 rotatably arranged inside the reactor body 1, the rotating shaft 7 is coaxially arranged with the reactor body 1, and a plurality of stirring rods 8 are fixedly connected to the outer circumference of the rotating shaft 7, and the stirring rods 8 are driven by the rotating shaft 7 to rotate to realize the stirring function;

[0025] Specifically, a rotating plate 9 is rotatably arranged at the upper end of the inner surface of the reactor body 1. The rotating plate 9 is a circular plate and is coaxially arranged with the reactor body 1. The rotating shaft 7 passes through the end surface of the rotating plate 9 and is fixedly connected to the rotating plate 9. The end surface of the rotating plate 9 passes through and is rotatably arranged with a stirring auxiliary rod 10. Figure 1 As shown, the stirring auxiliary rod 10 is vertically arranged, and the upper end of the stirring auxiliary rod 10 is coaxially connected with a gear 11, and the inner circumference of the reactor body 1 is fixedly connected with an internal gear 12, and the gear 11 is meshed with the internal gear 12, and the outer circumference of the stirring auxiliary rod 10 is fixedly connected with a plurality of cross bars 13, and the upper end of the reactor body 1 is fixedly connected with a driving motor 14, and the driving motor 14 is coaxially connected with the rotating shaft 7, and the driving motor 14 is used to drive the rotating shaft 7 to rotate, and the rotating shaft 7 can drive the rotating plate 9 to rotate synchronously, so that the gear 11 rotates relative to the internal gear 12, and the gear 11 drives the stirring auxiliary rod 10 to rotate, and the stirring auxiliary rod 10 drives the cross bar 13 to rotate in the opposite direction, so that the stirring effect is better;

[0026] Specifically, the feeding mechanism includes a plurality of coaxially arranged annular feeding pipes 15, the annular feeding pipes 15 are located at the upper end of the reactor body 1 and below the corresponding rotating plate 9, and a plurality of injection ports are provided through the side wall of the annular feeding pipe 15, and the material is injected through the annular feeding pipe 15 and then uniformly sprayed out from the injection ports to realize feeding;

[0027] Specifically, an annular feed chamber 16 corresponding to the annular feed pipe 15 is fixedly connected above the corresponding rotating plate 9 inside the reactor body 1, the annular feed chamber 16 is open at the bottom, and an annular rotating plate 17 is rotatably provided on the inner surface of the annular feed chamber 16. After the annular rotating plate 17 is combined with the annular feed chamber 16, an annular cavity structure is formed inside the annular feed chamber 16, and one end of a connecting tube 18 is penetrated through the end surface of the annular rotating plate 17, and the other end of the connecting tube 18 penetrates the end surface of the rotating plate 9 and is connected to the corresponding annular feed pipe 15. When the rotating plate 9 rotates, the annular rotating plate 17 rotates relative to the annular feed chamber 16, and a feed pipe is connected to the annular feed chamber 16, and flow valves are respectively provided on the feed pipes for metering materials, and different types of functionalized monomers can be accurately injected into the mixing chamber according to a predetermined program to achieve accurate synthesis of star-chain structure copolymers;

[0028] The reactor body 1 is also provided with a pressure sensor, a pressure relief valve and a pressure supplement device to maintain a constant pressure in the reaction chamber and ensure that the reaction is carried out under the optimal pressure environment. The reaction gas circulation and purification module includes a gas inlet, a circulating fan, a gas purification filter and a gas outlet to form a closed-loop gas circulation, maintain the purity of the reaction atmosphere and improve the utilization rate of raw materials; the safety protection and monitoring system includes but is not limited to an emergency stop button, an over-temperature and over-pressure alarm device, and a flame detection and fire extinguishing device to ensure safe and reliable operation of the equipment.

[0029] On the basis of the above embodiment, other additional technical features can be provided according to the usage scenario, such as: according to the above technical solution, the inner surface of the annular feed chamber (16) is additionally provided with a corrosion-resistant and wear-resistant coating. This design strategy significantly improves the resistance of the chamber to chemical corrosion and physical wear that may occur during the reaction process, effectively prolongs the service life of the equipment, and significantly reduces the additional cost and downtime caused by maintenance and replacement of parts.

[0030] In view of different raw material characteristics and mixing requirements, the injection port is equipped with an adjustable angle nozzle. Users can flexibly adjust the injection angle and speed according to actual needs. This innovative design not only optimizes the distribution uniformity of the material inside the reactor, but also greatly improves the mixing efficiency and ensures the high quality and consistency of the reaction products.

[0031] In addition, a throttle valve with adjustable flow is installed on the annular tube 3. The throttle valve accurately and real-time adjusts the flow rate of the coolant according to the temperature control requirements of the reaction materials at different stages, ensuring accurate management of the internal temperature of the reactor, thereby achieving a more efficient and stable temperature control mechanism.

[0032] In order to isolate the influence of the external environment on the reaction process, a multi-layer composite material insulation layer is wrapped around the reactor body 1 of this embodiment. This insulation layer effectively prevents unnecessary heat exchange, not only improves the overall energy utilization efficiency, but also provides a solid guarantee for maintaining the long-term stability of the reaction conditions, creating favorable conditions for high-quality and efficient production.

[0033] The cooling pipeline 5 is connected to a temperature control system, which has the function of automatically monitoring the temperature inside the reactor and adjusting the flow rate of the coolant accordingly. This intelligent temperature management method ensures that the reaction temperature is always kept within the preset optimal working range, plays a decisive role in improving reaction efficiency and ensuring product quality, and demonstrates a high level of automation and intelligence.

[0034] When the utility model is used, materials are accurately injected into the mixing chamber according to a predetermined procedure into different types of functionalized monomers, injected into the annular feed cavity 16 through the feed pipe, and sprayed out from the spray port on the annular feed pipe 15, the driving motor 14 drives the rotating shaft 7 to rotate, the rotating shaft 7 drives the stirring rod 8 to rotate, and drives the rotating plate 9 to rotate synchronously, the gear 11 rotates relative to the internal gear 12, the gear 11 drives the stirring auxiliary rod 10 to rotate, and the stirring auxiliary rod 10 drives the cross bar 13 to rotate, so that the materials entering the reactor body 1 are evenly mixed.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A copolymer continuous mixing reactor, comprising a reactor body (1), characterized in that: The reactor body (1) is in a can-shaped structure, a stirring mechanism is arranged inside the reactor body (1), a feeding mechanism is arranged at the upper end of the reactor body (1), and a discharge port (2) is arranged at the lower end, an annular tube (3) is fixedly connected inside the reactor body (1), an annular cavity (4) is fixedly connected to the outer peripheral surface of the reactor body (1), the annular tube (3) is connected to a cooling pipeline (5), and the annular cavity (4) is connected to a heating pipeline (6).

2. A copolymer continuous mixing reactor according to claim 1, characterized in that: The stirring mechanism comprises a rotating shaft (7) rotatably arranged inside the reactor body (1), and a plurality of stirring rods (8) are fixedly connected to the outer peripheral surface of the rotating shaft (7).

3. A copolymer continuous mixing reactor according to claim 2, characterized in that: A rotating plate (9) is rotatably arranged at the upper end of the inner surface of the reactor body (1); the rotating shaft (7) passes through the end surface of the rotating plate (9) and is fixedly connected to the rotating plate (9); a stirring auxiliary rod (10) passes through the end surface of the rotating plate (9) and is rotatably arranged; a gear (11) is coaxially connected to the upper end of the stirring auxiliary rod (10); an internal gear (12) is fixedly connected to the inner circumference of the reactor body (1); the gear (11) meshes with the internal gear (12); a plurality of cross bars (13) are fixedly connected to the outer circumference of the stirring auxiliary rod (10); a driving motor (14) is fixedly connected to the upper end of the reactor body (1); and the driving motor (14) is coaxially connected to the rotating shaft (7).

4. A copolymer continuous mixing reactor according to claim 3, characterized in that: The feeding mechanism comprises a plurality of coaxially arranged annular feeding pipes (15), wherein the annular feeding pipes (15) are located at the upper end of the reactor body (1) and below the corresponding rotating plate (9), and a plurality of injection ports are provided through the side wall of the annular feeding pipe (15).

5. A copolymer continuous mixing reactor according to claim 4, characterized in that: An annular feed chamber (16) corresponding to the annular feed pipe (15) is fixedly connected above the corresponding rotating plate (9) inside the reactor body (1), the annular feed chamber (16) is open at the bottom, and an annular rotating plate (17) is rotatably arranged on the inner surface of the annular feed chamber (16), one end of a connecting pipe (18) is penetrated through the end surface of the rotating plate (9), and the other end of the connecting pipe (18) penetrates the end surface of the rotating plate (9) and is connected to the corresponding annular feed pipe (15).

6. A copolymer continuous mixing reactor according to claim 5, characterized in that: The inner surface of the annular feed chamber (16) is additionally provided with a corrosion-resistant and wear-resistant coating.

7. A copolymer continuous mixing reactor according to claim 4, characterized in that: The spray port is equipped with a spray head with adjustable angle.

8. A copolymer continuous mixing reactor according to claim 1, characterized in that: The annular pipe (3) is provided with a throttle valve capable of adjusting flow rate.

9. A copolymer continuous mixing reactor according to claim 1, characterized in that: The reactor body (1) is provided with a heat insulating layer outside.

10. A copolymer continuous mixing reactor according to claim 1, characterized in that: The cooling pipeline (5) is connected to a temperature control system.

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