A normal temperature and pressure reaction device for lubricating oil additive synthesis

Abstract

The utility model discloses a normal temperature and normal pressure reaction unit for lubricating oil additive synthesis relates to chemical reaction equipment technical field, including the reaction kettle, the support mechanism of fixed connection in the reaction kettle outside, the upper tank body of fixed connection in the upper end of reaction kettle, the inner tank of fixed connection in the inner wall of reaction kettle, the flow guide body of fixed connection in the inside of upper tank body, the upper stirring mechanism of fixed connection in the upper end of upper tank body, the annular groove body of embedding in the lower end wall body of upper tank body, install the bottom stirring mechanism in the groove body inside, the feeding mechanism of fixed connection in the upper end of upper tank body and the steam condensing mechanism of fixed connection in the upper end of upper tank body. The utility model has the advantages of uniform stirring, temperature control precision, steam condensation reflux and compact structure.

Description

Technical Field

[0001] This utility model relates to the field of chemical reaction equipment technology, specifically to a room temperature and atmospheric pressure reaction device for the synthesis of lubricating oil additives. Background Technology

[0002] Lubricating oil additives are key components for improving the performance of lubricating oils. Their synthesis process usually involves the mixing, reaction and temperature control of various liquid raw materials.

[0003] Currently, most industrially used reaction devices are jacketed, heated or cooled batch reactors, where the reaction temperature is controlled by circulating a heat exchange medium through the jacket. However, existing reaction devices still have many shortcomings in practical applications. First, the stirring mechanism in traditional reactors is often concentrated at the bottom of the reactor or in a single location, making it difficult to achieve uniform mixing of reactants along the axial height. This is especially problematic for additive systems with high viscosity, where concentration and temperature gradients exist between the upper and lower liquid layers, affecting reaction consistency and product quality. Second, the insulation structure of existing devices is relatively simple, typically with only a single jacket on the outer wall of the reactor. Heat is easily transferred along the axial direction of the reactor, resulting in a large temperature difference between the upper and lower parts, which is insufficient to meet the requirements of synthesis reactions with high temperature uniformity. Furthermore, some devices directly discharge steam generated during the reaction, not only wasting thermal energy but also potentially carrying away unreacted raw material components, affecting raw material utilization and environmental friendliness. In addition, the inlet, temperature measuring port, and insulation medium inlet / outlet pipelines of existing devices are scattered and lack integrated design, resulting in a cluttered appearance and inconvenient maintenance.

[0004] Therefore, how to design a room temperature and pressure reaction device that can achieve uniform mixing, precise temperature control, steam condensation and reflux, and has a compact structure has become a technical problem that urgently needs to be solved in this field. Utility Model Content

[0005] The purpose of this invention is to provide a normal temperature and pressure reaction device for the synthesis of lubricating oil additives, which has the advantages of uniform stirring, precise temperature control, steam condensation and reflux, and compact structure, thus solving the problems in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: An ambient temperature and pressure reaction apparatus for synthesizing lubricating oil additives includes a reactor, a support mechanism fixedly connected to the outside of the reactor, an upper tank fixedly connected to the upper end of the reactor, an inner tank fixedly connected to the inner wall of the reactor, a guide fluid fixedly connected to the inside of the upper tank, an upper stirring mechanism fixedly connected to the upper end of the upper tank, an annular groove embedded in the lower end wall of the upper tank, a bottom stirring mechanism installed inside the groove, a feeding mechanism fixedly connected to the upper end of the upper tank, a steam condensation mechanism fixedly connected to the upper end of the upper tank, and a heat-insulated water circulation pipe connected to the reactor. The reactor includes a flow path and a liquid outlet mechanism fixedly connected to the lower end of the reactor. A first heat preservation groove is formed between the inner wall of the reactor and the outer peripheral wall of the inner tank. The outer peripheral wall of the flow path is fixedly connected to the inner wall of the upper tank, and a second heat preservation groove is formed between the flow path and the upper tank. The stirring end of the upper stirring mechanism is arranged entirely inside the flow path, and the bottom stirring mechanism is located below the upper stirring mechanism. The annular groove is horizontally flush with the lower end outlet of the flow path, and the internal chamber of the groove is independent of the main chamber of the reactor and is not connected to each other. The groove, the first heat preservation groove, and the second heat preservation groove are independent cavities that are not connected to each other.

[0007] Preferably, the support mechanism includes a fixed ring and multiple legs. The fixed ring is fixedly connected to the outer peripheral wall of the reactor, and the multiple legs are evenly and equidistantly distributed along the outer peripheral wall of the fixed ring.

[0008] It is worth noting that the support mechanism is circumferentially fixed to the reactor through a fixing ring, and together with multiple evenly distributed support legs, it provides a stable bottom support for the entire reaction device, ensuring the stability and safety of the equipment during operation. At the same time, the equidistant distribution of the support legs ensures that the load is evenly distributed, avoiding excessive local stress that could cause the equipment to tilt or deform.

[0009] Preferably, the upper stirring mechanism includes a first motor fixedly connected to the upper end of the upper tank, a first rotating rod fixedly connected to the lower end of the output shaft of the first motor, and a plurality of first stirring blocks fixedly connected to the outer peripheral wall of the first rotating rod; the output shaft of the first motor passes through the upper end of the upper tank, and the first rotating rod and the first stirring blocks are housed together in the internal space of the guide fluid.

[0010] It is worth noting that the upper stirring mechanism is built into the cavity of the guide fluid. The guide fluid plays a role in converging and guiding the swirling flow generated during the stirring process, so that the material forms a forced circulation flow path in the guide fluid, avoiding dead zones in the upper part of the vessel and effectively improving the mixing uniformity of the upper liquid layer. At the same time, the stirring components are housed inside the guide fluid, making full use of the internal space of the upper tank and making the overall structure more compact.

[0011] Preferably, the bottom stirring mechanism includes a second motor fixedly connected to the bottom surface of the inner wall of the tank, a turntable fixedly connected to the upper end of the output shaft of the second motor, a plurality of third motors fixedly connected to the bottom surface of the inner wall of the tank, a second rotating rod fixedly connected to the lower end of the output shaft of the third motor, and a plurality of second stirring blocks fixedly connected to the outer peripheral wall of the second rotating rod.

[0012] It is worth noting that the bottom stirring mechanism is located below the discharge port at the lower end of the guide fluid, forming a coordinated relationship with the upper stirring mechanism in the axial direction. The upper stirring mechanism is responsible for the forced circulation and mixing of the material inside the guide fluid, while the bottom stirring mechanism performs secondary dispersion and stirring of the material flowing out of the guide fluid. The two act on different height areas of the reactor in the vertical direction, realizing the stratified stirring of the material in the entire volume of the reactor, which significantly improves the axial mixing uniformity and effectively eliminates the problem of uneven mixing between the upper and lower parts that exists in traditional single stirrers.

[0013] Preferably, the feeding mechanism includes a feed pipe that is fixedly connected to the upper end of the upper tank body, a fifth valve body is mounted on the feed pipe, and a hopper is fixedly connected to the upper end of the feed pipe; the lower end of the feed pipe is connected to the inside of the reactor through a guide fluid.

[0014] It is worth noting that the lower end of the feed pipe is connected to the inside of the reactor through a guide fluid. The raw materials are directly fed into the guide fluid through the hopper and feed pipe. Under the forced mixing action of the upper stirring mechanism, the newly added raw materials are quickly dispersed and mixed with the materials in the reactor, avoiding the problem of excessively high local concentration caused by the new materials falling directly to the bottom of the reactor, which is beneficial to the uniformity of the reaction system.

[0015] Preferably, the steam condensation mechanism includes a riser fixedly connected to the upper end of the upper tank, a spiral condenser fixedly connected to the upper end of the riser, and a fixed cylinder fixedly connected to the upper end of the upper tank and sleeved around the riser and the spiral condenser; the lower end of the riser is connected to the interior of the reactor; a water outlet pipe is fixedly connected through the side wall of the fixed cylinder, and a fourth valve body is installed on the water outlet pipe.

[0016] It is worth noting that the steam generated during the reaction rises through the riser into the spiral condenser, where it is condensed into liquid under the action of the cooling medium in the fixed cylinder. The condensate can flow back into the reactor along the pipe wall, realizing the condensation and reflux utilization of the steam, avoiding the loss of effective components, and reducing the environmental impact of exhaust emissions.

[0017] Preferably, the heat preservation water circulation pipeline includes a cooling water injection pipe that is fixedly connected to the upper part of the side wall of the reactor, and a sixth valve body is installed on the cooling water injection pipe; it also includes a drain pipe that is fixedly connected to the lower part of the side wall of the reactor, and a third valve body is installed on the drain pipe; both the cooling water injection pipe and the drain pipe are interconnected with the interior of the first heat preservation tank.

[0018] It is worth noting that the cooling water injection pipe and the drain pipe are respectively located on the upper and lower parts of the side wall of the reactor. The heat preservation water is injected from the upper part and flows downward and is discharged through the drain pipe, forming a complete lower circulation path. This ensures the continuous renewal of the heat preservation medium and the temperature uniformity in the first heat preservation tank. At the same time, the staggered arrangement of the upper and lower parts avoids short circuits between the water inlet and outlet, thus improving the heat exchange efficiency.

[0019] Preferably, the liquid outlet mechanism includes a liquid outlet pipe that is fixedly connected to the lower end of the reactor, and a second valve body is mounted on the liquid outlet pipe; the upper end of the liquid outlet pipe is connected to the bottom of the reactor cavity.

[0020] It is worth noting that the liquid outlet pipe is located at the lowest point of the reactor, and its upper end is directly connected to the bottom of the reactor cavity. This ensures that the material can be completely discharged under gravity after the reaction, avoiding material residue at the bottom of the reactor from affecting the quality of subsequent batches of products.

[0021] Preferably, two fixed pipes are fixedly connected through the outer peripheral wall of the upper tank, and a first valve body is mounted on the fixed pipe. The internal channel of the fixed pipe is interconnected with the second insulation tank. A first temperature sensor is fixedly connected to the inner wall of the reactor and extends into the interior of the first insulation tank. A second temperature sensor is fixedly connected to the bottom surface of the inner wall of the second insulation tank.

[0022] It is worth noting that the two fixed pipes are used as the inlet and outlet of the insulation medium of the second insulation tank, respectively. Together with the insulation water circulation pipeline of the first insulation tank, they form a double-layer independent insulation system for the internal space of the main cavity of the reactor and the upper tank. The first temperature sensor and the second temperature sensor monitor the temperature in the first insulation tank and the second insulation tank in real time, respectively, providing accurate data feedback for temperature control and helping to achieve precise control of the reaction temperature.

[0023] Preferably, the fluid guide has a conical cylindrical structure.

[0024] It is worth noting that the conical cylinder structure of the guide fluid has a larger inner diameter at the top and a gradually narrower inner diameter at the bottom. This creates a gathering and acceleration effect on the material swirling driven by the upper stirring mechanism, forming a velocity gradient in the material within the conical cylinder and preventing the material from adhering and stagnating on the guide fluid wall.

[0025] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model sets up an upper stirring mechanism and a bottom stirring mechanism to work together. The upper stirring mechanism is housed inside the guide fluid to achieve forced circulation and mixing of materials, while the bottom stirring mechanism performs secondary dispersion and stirring of the materials flowing out of the guide fluid. The two mechanisms act on different height areas of the reactor, effectively eliminating the problem of uneven axial mixing that exists in traditional single stirrers, and improving the uniformity of the reaction system and the stability of product quality. 2. This utility model sets up a first insulation groove between the inner wall of the reactor and the inner tank, and a second insulation groove between the guide fluid and the upper tank. The first temperature sensor and the second temperature sensor monitor the temperature of the two insulation grooves in real time. With their respective independent inlet and outlet pipes, the model realizes the zoned independent temperature control of the internal space of the reactor main cavity and the upper tank, which solves the problems of large axial temperature difference and low temperature control accuracy of the traditional single jacket structure. 3. This utility model, by setting up a steam condensation mechanism consisting of a riser, a spiral condenser, and a fixed cylinder, allows the steam generated by the reaction to enter the spiral condenser through the riser for condensation and reflux, effectively recovering the vaporized raw material components, while reducing waste gas emissions, improving raw material utilization and process environmental friendliness. Attached Figure Description

[0026] Figure 1 The diagram shown is a three-dimensional structural schematic of this utility model; Figure 2 The diagram shown is a three-dimensional structural schematic of the internal cross-section of this utility model; Figure 3 The diagram shown is a three-dimensional structural schematic of the fluid guide of this utility model; Figure 4 The diagram shown is a three-dimensional structural schematic of the liquid dispensing mechanism of this utility model. Figure 5 The diagram shown is a three-dimensional cross-sectional view of the condensation mechanism of this utility model. Figure 6 The diagram shown is a three-dimensional structural schematic of the bottom stirring mechanism of this utility model. Figure 7 The diagram shown is a three-dimensional structural schematic of the steam condensation mechanism of this utility model.

[0027] Reference numerals: 1. Fixing ring; 2. Reactor; 3. Support leg; 4. Upper tank; 5. Inner tank; 6. First insulation tank; 7. First temperature sensor; 8. Guide fluid; 9. First motor; 10. First rotating rod; 11. First stirring block; 12. Tank; 13. Second motor; 14. Turntable; 15. Third motor; 16. Fixing pipe; 17. First valve body; 18. Second insulation tank; 19. Second temperature sensor; 20. Liquid outlet pipe; 21. Second valve body; 22. Drain pipe; 23. Third valve body; 24. Riser; 25. Spiral condenser; 26. Fixing cylinder; 27. Water outlet pipe; 28. Fourth valve body; 29. ​​Second rotating rod; 30. Second stirring block; 31. Feed pipe; 32. Fifth valve body; 33. Hopper; 34. Cooling water injection pipe; 35. Sixth valve body. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] To address the problems of uneven mixing, low temperature control accuracy, direct steam emission leading to raw material waste, and loose and non-compact structure in existing technologies, the following technical solution is proposed. Please refer to [link / reference needed]. Figures 1 to 7 .

[0030] An ambient temperature and pressure reaction apparatus for synthesizing lubricating oil additives includes a reactor 2, a support mechanism fixedly connected to the outside of the reactor 2, an upper tank 4 fixedly connected to the upper end of the reactor 2, an inner tank 5 fixedly connected to the inner wall of the reactor 2, a guide fluid 8 fixedly connected to the inside of the upper tank 4, an upper stirring mechanism fixedly connected to the upper end of the upper tank 4, an annular groove 12 embedded in the lower end wall of the upper tank 4, a bottom stirring mechanism installed inside the groove 12, a feeding mechanism fixedly connected to the upper end of the upper tank 4, a steam condensation mechanism fixedly connected to the upper end of the upper tank 4, a heat-insulated water circulation pipeline connected to the reactor 2, and a liquid outlet mechanism fixedly connected to the lower end of the reactor 2.

[0031] In this embodiment, specifically, the reactor 2 is a cylindrical structure with an open top and a closed bottom. The upper tank 4 is fixedly connected to the upper opening of the reactor 2, and the two together form the main reaction chamber. The inner tank 5 is fixedly connected to the inner wall of the reactor 2, and the upper end of the inner tank 5 is flush with the upper end of the reactor 2. A first heat preservation groove 6 is formed between the outer peripheral wall of the inner tank 5 and the inner wall of the reactor 2. The first heat preservation groove 6 is an annular cavity structure. A first temperature sensor 7 is fixedly connected to the inner wall of the reactor 2. The first temperature sensor 7 extends into the interior of the first heat preservation groove 6 and is used to monitor the temperature of the heat preservation medium in the first heat preservation groove 6 in real time.

[0032] In this embodiment, specifically, the support mechanism includes a fixed ring 1 and multiple support legs 3. The fixed ring 1 is fixedly connected to the lower middle part of the outer peripheral wall of the reactor 2. The multiple support legs 3 are evenly and equidistantly distributed along the outer peripheral wall of the fixed ring 1. The upper end of the support leg 3 is fixedly connected to the fixed ring 1, and the lower end of the support leg 3 is a support plane for contacting the ground or the installation foundation.

[0033] In this embodiment, specifically, the upper tank 4 is a cylindrical structure with a closed upper end and an open lower end, and the lower end of the upper tank 4 is fixedly connected to the upper end of the reactor 2. A guide fluid 8 is fixedly connected inside the upper tank 4. The guide fluid 8 is a conical cylindrical structure, with its upper outer diameter matching the inner diameter of the upper tank 4. The outer peripheral wall of the guide fluid 8 is fixedly connected to the inner wall of the upper tank 4, forming a second heat-insulating groove 18 between the guide fluid 8 and the upper tank 4. The second heat-insulating groove 18 is an annular cavity structure. A second temperature sensor 19 is fixedly connected to the bottom surface of the inner wall of the second heat-insulating groove 18 for real-time monitoring of the temperature inside the second heat-insulating groove 18. Two fixed pipes 16 are fixedly connected through the outer peripheral wall of the upper tank 4. The two fixed pipes 16 are located at different heights of the upper tank 4, and a first valve body 17 is mounted on each fixed pipe 16. The internal channel of the fixed pipe 16 communicates with the second heat-insulating groove 18, and the two fixed pipes 16 serve as the inlet and outlet of the heat-insulating medium for the second heat-insulating groove 18, respectively.

[0034] In this embodiment, specifically, the annular groove 12 is embedded in the lower end wall of the upper tank 4. The groove 12 is horizontally flush with the lower end outlet of the guide fluid 8. The internal chamber of the groove 12 is independent of the main chamber of the reactor 2 and is not connected to each other. The groove 12, the first heat preservation groove 6, and the second heat preservation groove 18 are independent cavities that are not connected to each other.

[0035] In this embodiment, specifically, the upper stirring mechanism includes a first motor 9 fixedly connected to the upper end of the upper tank 4, a first rotating rod 10 fixedly connected to the lower end of the output shaft of the first motor 9, and a plurality of first stirring blocks 11 fixedly connected to the outer peripheral wall of the first rotating rod 10. The output shaft of the first motor 9 passes through the upper end of the upper tank 4 and extends into the interior of the guide fluid 8. The upper end of the first rotating rod 10 is fixedly connected to the lower end of the output shaft of the first motor 9. The first rotating rod 10 extends vertically downward along the axis of the guide fluid 8. The first rotating rod 10 and the plurality of first stirring blocks 11 are housed together in the interior space of the guide fluid 8. The first stirring blocks 11 have a plate-like structure and are distributed at intervals along the axial direction of the first rotating rod 10, with equal spacing between adjacent first stirring blocks 11.

[0036] In this embodiment, specifically, the bottom stirring mechanism is located below the upper stirring mechanism. The bottom stirring mechanism includes a second motor 13 fixedly connected to the bottom surface of the inner wall of the tank 12, a turntable 14 fixedly connected to the upper end of the output shaft of the second motor 13, multiple third motors 15 fixedly connected to the bottom surface of the inner wall of the tank 12, a second rotating rod 29 fixedly connected to the lower end of the output shaft of the third motor 15, and multiple second stirring blocks 30 fixedly connected to the outer peripheral wall of the second rotating rod 29. The output shaft of the second motor 13 extends vertically upward, and the turntable 14 is fixedly connected to the upper end of the output shaft of the second motor 13. The upper end surface of the turntable 14 is directly opposite the lower end discharge port of the guide fluid 8. Multiple third motors 15 are evenly distributed around the second motor 13 in the circumference. The output shaft of the third motor 15 extends vertically downward and passes through the bottom surface of the tank 12. The upper end of the second rotating rod 29 is fixedly connected to the lower end of the output shaft of the third motor 15. The second rotating rod 29 extends vertically downward into the interior of the reactor 2. Multiple second stirring blocks 30 are spaced apart along the axial direction of the second rotating rod 29.

[0037] In this embodiment, specifically, the feeding mechanism includes a feed pipe 31 that is fixedly connected to the upper end of the upper tank 4. A fifth valve body 32 is mounted on the feed pipe 31, and a hopper 33 is fixedly connected to the upper end of the feed pipe 31. The lower end of the feed pipe 31 passes through the upper end of the upper tank 4 and extends into the interior of the guide fluid 8. The lower end of the feed pipe 31 is interconnected with the interior of the reactor 2 through the guide fluid 8.

[0038] In this embodiment, specifically, the steam condensation mechanism includes a riser 24 fixedly connected to the upper end of the upper tank 4, a spiral condenser 25 fixedly connected to the upper end of the riser 24, and a fixed cylinder 26 fixedly connected to the upper end of the upper tank 4 and sleeved around the riser 24 and the spiral condenser 25. The lower end of the riser 24 passes through the upper end of the upper tank 4 and extends into the interior of the reactor 2, and the lower end of the riser 24 is in communication with the interior of the reactor 2. The lower end of the spiral condenser 25 is fixedly connected to the upper end of the riser 24, and the spiral condenser 25 is spirally coiled. The fixed cylinder 26 is a cylindrical structure with an open lower end and a closed upper end. The lower end of the fixed cylinder 26 is fixedly connected to the upper end of the upper tank 4, and the riser 24 and the spiral condenser 25 are housed entirely inside the fixed cylinder 26. A water outlet pipe 27 is fixedly connected through the side wall of the fixed cylinder 26. A fourth valve body 28 is mounted on the water outlet pipe 27. The internal channel of the water outlet pipe 27 is interconnected with the internal chamber of the fixed cylinder 26.

[0039] In this embodiment, specifically, the heat preservation water circulation pipeline includes a cooling water injection pipe 34 that is fixedly connected to the upper part of the side wall of the reactor 2, and a sixth valve body 35 is mounted on the cooling water injection pipe 34. It also includes a drain pipe 22 that is fixedly connected to the lower part of the side wall of the reactor 2, and a third valve body 23 is mounted on the drain pipe 22. The internal channel of the cooling water injection pipe 34 communicates with the upper region of the first heat preservation tank 6, and the internal channel of the drain pipe 22 communicates with the lower region of the first heat preservation tank 6.

[0040] In this embodiment, specifically, the liquid outlet mechanism includes a liquid outlet pipe 20 that is fixedly connected to the lower end of the reactor 2, and a second valve body 21 is mounted on the liquid outlet pipe 20. The upper end of the liquid outlet pipe 20 passes through the bottom surface of the reactor 2 and extends into the bottom of the inner cavity of the reactor 2, and the upper end of the liquid outlet pipe 20 communicates with the bottom of the inner cavity of the reactor 2.

[0041] Working principle: During use, the reaction device is fixedly installed in the working position by multiple support legs 3 of the support mechanism. First, the fifth valve body 32 is opened, and various liquid raw materials required for the synthesis of lubricating oil additives are added to the hopper 33 in sequence according to the ratio. The raw materials flow into the interior of the guide fluid 8 through the feed pipe 31. The first motor 9 is started, and the first motor 9 drives the first rotating rod 10 and multiple first stirring blocks 11 to rotate, which forcibly stirs and mixes the materials inside the guide fluid 8. The raw materials form a swirling flow under the guidance of the conical inner wall of the guide fluid 8, and flow downward through the discharge port at the lower end of the guide fluid 8 and enter the main cavity of the reaction vessel 2. Inside the main cavity of the reactor 2, the second motor 13 and multiple third motors 15 are started. The second motor 13 drives the turntable 14 to rotate, receiving and initially dispersing the material falling from the discharge port of the guide fluid 8. The multiple third motors 15 drive the corresponding second rotating rod 29 and the second stirring block 30 to rotate, stirring the material in the lower part of the reactor 2 cavity. The upper stirring mechanism and the bottom stirring mechanism cooperate axially to achieve circulation and uniform mixing of the reactants in the entire volume of the reactor 2. During the reaction, a heat-insulating medium (hot water or cooling water) is injected into the first heat-insulating tank 6 through the cooling water injection pipe 34. After the heat-insulating medium fills the first heat-insulating tank 6, it is discharged through the drain pipe 22. At the same time, a heat-insulating medium is injected into the second heat-insulating tank 18 through the fixed pipe 16. The first temperature sensor 7 monitors the temperature in the first heat-insulating tank 6 in real time, and the second temperature sensor 19 monitors the temperature in the second heat-insulating tank 18 in real time. The flow rate and temperature of the heat-insulating medium are adjusted according to the feedback signal to achieve independent temperature control of the internal space of the main cavity of the reactor 2 and the upper tank 4. The steam generated during the reaction rises through the riser 24 into the spiral condenser 25. Cooling medium is introduced into the fixed cylinder 26. The steam is condensed into liquid in the spiral condenser 25 and then flows back into the reactor 2. After the reaction is completed, the second valve 21 is opened and the reaction products are discharged from the bottom of the reactor 2 through the liquid outlet pipe 20.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A room-temperature and atmospheric-pressure reaction apparatus for the synthesis of lubricating oil additives, characterized in that, It includes a reactor (2), a support mechanism fixedly connected to the outside of the reactor (2), an upper tank (4) fixedly connected to the upper end of the reactor (2), an inner tank (5) fixedly connected to the inner wall of the reactor (2), a guide fluid (8) fixedly connected to the inside of the upper tank (4), an upper stirring mechanism fixedly connected to the upper end of the upper tank (4), an annular groove (12) embedded in the lower end wall of the upper tank (4), a bottom stirring mechanism installed inside the groove (12), a feeding mechanism fixedly connected to the upper end of the upper tank (4), a steam condensing mechanism fixedly connected to the upper end of the upper tank (4), a heat-insulating water circulation pipeline connected to the reactor (2), and a liquid outlet mechanism fixedly connected to the lower end of the reactor (2). A first heat preservation groove (6) is formed between the inner wall of the reactor (2) and the outer peripheral wall of the inner tank (5). The outer peripheral wall of the guide fluid (8) is fixedly connected to the inner wall of the upper tank (4), and a second heat preservation groove (18) is formed between the guide fluid (8) and the upper tank (4). The stirring end of the upper stirring mechanism is arranged inside the guide fluid (8), and the bottom stirring mechanism is located below the upper stirring mechanism; The annular trough (12) and the lower outlet of the guide fluid (8) are set horizontally and flush. The internal chamber of the trough (12) and the main chamber of the reactor (2) are independent and do not communicate with each other. The trough (12) and the first heat preservation trough (6) and the second heat preservation trough (18) are independent chambers that do not communicate with each other.

2. The ambient temperature and pressure reaction apparatus for synthesizing lubricating oil additives according to claim 1, characterized in that, The support mechanism includes a fixed ring (1) and multiple legs (3). The fixed ring (1) is fixedly connected to the outer peripheral wall of the reactor (2), and the multiple legs (3) are evenly distributed along the outer peripheral wall of the fixed ring (1).

3. The ambient temperature and pressure reaction apparatus for synthesizing lubricating oil additives according to claim 1, characterized in that, The upper stirring mechanism includes a first motor (9) fixedly connected to the upper end of the upper tank (4), a first rotating rod (10) fixedly connected to the lower end of the output shaft of the first motor (9), and a plurality of first stirring blocks (11) fixedly connected to the outer peripheral wall of the first rotating rod (10); the output shaft of the first motor (9) passes through the upper end of the upper tank (4), and the first rotating rod (10) and the first stirring blocks (11) are housed together in the internal space of the guide fluid (8).

4. The ambient temperature and pressure reaction apparatus for synthesizing lubricating oil additives according to claim 1, characterized in that, The bottom stirring mechanism includes a second motor (13) fixedly connected to the bottom surface of the inner wall of the tank (12), a turntable (14) fixedly connected to the upper end of the output shaft of the second motor (13), a plurality of third motors (15) fixedly connected to the bottom surface of the inner wall of the tank (12), a second rotating rod (29) fixedly connected to the lower end of the output shaft of the third motor (15), and a plurality of second stirring blocks (30) fixedly connected to the outer peripheral wall of the second rotating rod (29).

5. The ambient temperature and pressure reaction apparatus for synthesizing lubricating oil additives according to claim 1, characterized in that, The feeding mechanism includes a feed pipe (31) that is fixedly connected to the upper end of the upper tank (4). A fifth valve body (32) is mounted on the feed pipe (31). The upper end of the feed pipe (31) is fixedly connected to the hopper (33). The lower end of the feed pipe (31) is connected to the inside of the reactor (2) through the guide fluid (8).

6. The ambient temperature and pressure reaction apparatus for synthesizing lubricating oil additives according to claim 1, characterized in that, The steam condensation mechanism includes a riser (24) fixedly connected to the upper end of the upper tank (4), a spiral condenser (25) fixedly connected to the upper end of the riser (24), and a fixed cylinder (26) fixedly connected to the upper end of the upper tank (4) and sleeved around the riser (24) and the spiral condenser (25); the lower end of the riser (24) is connected to the interior of the reactor (2); the side wall of the fixed cylinder (26) is fixedly connected to a water outlet pipe (27), and a fourth valve body (28) is installed on the water outlet pipe (27).

7. The ambient temperature and pressure reaction apparatus for synthesizing lubricating oil additives according to claim 1, characterized in that, The heat preservation water circulation pipeline includes a cooling water injection pipe (34) that is fixedly connected to the upper side wall of the reactor (2), and a sixth valve body (35) is installed on the cooling water injection pipe (34); it also includes a drain pipe (22) that is fixedly connected to the lower side wall of the reactor (2), and a third valve body (23) is installed on the drain pipe (22); the cooling water injection pipe (34) and the drain pipe (22) are both interconnected with the interior of the first heat preservation tank (6).

8. The ambient temperature and pressure reaction apparatus for synthesizing lubricating oil additives according to claim 1, characterized in that, The liquid outlet mechanism includes a liquid outlet pipe (20) that is fixedly connected to the lower end of the reactor (2), and a second valve body (21) is mounted on the liquid outlet pipe (20); the upper end of the liquid outlet pipe (20) is connected to the bottom of the inner cavity of the reactor (2).

9. The ambient temperature and pressure reaction apparatus for synthesizing lubricating oil additives according to claim 1, characterized in that, The outer peripheral wall of the upper tank (4) is fixedly connected to two fixed pipes (16), and a first valve body (17) is mounted on the fixed pipe (16). The internal channel of the fixed pipe (16) is interconnected with the second heat preservation tank (18). The inner wall of the reactor (2) is fixedly connected to a first temperature sensor (7), which extends into the interior of the first heat preservation tank (6). The bottom surface of the inner wall of the second heat preservation tank (18) is fixedly connected to a second temperature sensor (19).

10. The ambient temperature and pressure reaction apparatus for synthesizing lubricating oil additives according to claim 1, characterized in that, The fluid guide (8) has a conical cylindrical structure.

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