Dynamic pipeline reactor

Abstract

The invention relates to a dynamic pipeline reactor which comprises a reactor body with a reaction cavity and further comprises a dynamic stirring assembly, an oxygen channel and an n-butyraldehyde channel are formed in the lower side of the reactor body, a gas outlet is formed in the upper side of the reactor body, and the dynamic stirring assembly comprises a stirring shaft and a driving part. The stirring shaft is rotationally connected into the reaction cavity, a stirring cavity is coaxially formed in the stirring shaft, a plurality of stirring channels communicated with the stirring cavity are uniformly distributed on the circumferential side surface of the stirring shaft, a plurality of stirring blades are uniformly distributed on the circumferential side surface of the stirring shaft, and the driving part is used for driving the stirring shaft to rotate. Oxygen and n-butyraldehyde enter the reaction cavity from a channel on the lower side of the reactor main body; the driving piece drives the stirring shaft to rotate, the stirring cavity in the stirring shaft and the circumferential stirring channel form convection, and raw materials are forcibly mixed in cooperation with the stirring blades; gas generated by reaction is discharged from the upper gas outlet, so that continuous reaction is realized, the raw material mixing uniformity is improved, and the reaction rate is accelerated.

Description

Technical Field

[0001] This invention relates to the field of reactor technology, and in particular to a dynamic pipeline reactor. Background Technology

[0002] A reactor is the core equipment for realizing a chemical reaction. It mainly provides suitable conditions for the reaction. The working process of a reactor is to first put the reactants into the equipment in proportion, mix the materials with the help of the internal structure, and then export the products after the reaction is completed. Every step of the entire process serves the goal of making the reaction complete efficiently and ensuring that subsequent reactions can proceed normally.

[0003] Traditional reactors require a discontinuous process of feeding materials and then gases in sequence, followed by unloading after the reaction is complete. This means that existing reactors suffer from long reaction cycles and low throughput per unit time. Summary of the Invention

[0004] To improve the reaction efficiency of the reactor, this application provides a dynamic pipeline reactor.

[0005] The dynamic pipeline reactor provided in this application adopts the following technical solution: A dynamic pipeline reactor includes a reactor body with a reaction chamber and a dynamic stirring assembly. An oxygen channel and a butyraldehyde channel communicating with the reaction chamber are respectively opened on the lower side of the reactor body, and a gas outlet communicating with the reaction chamber is opened on the upper side of the reactor body. The dynamic stirring assembly is used to accelerate the reaction of oxygen and butyraldehyde entering the reaction chamber. The dynamic stirring assembly includes a stirring shaft and a drive component. The stirring shaft is rotatably connected to the reaction chamber and has a coaxial stirring chamber within it. Multiple stirring channels communicating with the stirring chamber are evenly distributed on the circumferential side of the stirring shaft, and multiple stirring blades are evenly distributed on the circumferential side of the stirring shaft. The drive component is used to drive the rotation of the stirring shaft.

[0006] By adopting the above technical solution, oxygen and n-butyraldehyde enter the reaction chamber from the lower channel of the reactor body; the drive unit drives the stirring shaft to rotate, and the stirring chamber inside the stirring shaft forms convection with the circumferential stirring channel, which, together with the stirring blades, forces the raw materials to mix; the gas generated by the reaction is discharged from the upper gas outlet, and the mass transfer resistance is broken by the dynamic stirring component, allowing oxygen and n-butyraldehyde to fully contact and react, realizing a continuous reaction and avoiding raw material retention; improving the uniformity of raw material mixing and accelerating the reaction rate.

[0007] Preferably, the bottom end of the reactor body is coaxially provided with a cooling water inlet and its lower side is provided with a cooling outlet. The rotating shaft is provided with a first cooling channel and a second cooling channel. The second cooling channel is sleeved on the outside of the first cooling channel. The two ends of the first cooling channel in the axial direction are respectively connected to the cooling water inlet and the second cooling channel. The second cooling channel is connected to the cooling water outlet. The stirring chamber is located on the outside of the second channel.

[0008] By adopting the above technical solution, cooling water enters the first cooling channel of the stirring shaft from the bottom inlet of the reactor, flows through the second cooling channel, and is discharged from the cooling outlet at the bottom. The cooling channel reduces the temperature of the stirring shaft and the surrounding reaction zone through heat exchange, and cools the core reaction zone through the cooling channel in the stirring shaft to ensure reaction stability.

[0009] Preferably, the dynamic stirring assembly further includes a magnetic block and a magnetic ring. The magnetic ring is sleeved on the outside of the second cooling channel and located inside the stirring chamber. A plurality of mixing holes are opened on the end face of the magnetic ring. The magnetic block is slidably connected to the reaction chamber along the axial direction of the stirring shaft. The magnetic block is magnetically connected to the magnetic ring. The driving component is also used to drive the sliding of the magnetic block.

[0010] By adopting the above technical solution, the driving component drives the magnetic block to slide along the axis of the stirring shaft, and the magnetic block drives the magnetic ring in the stirring chamber to move synchronously through magnetic force; when the raw material flows through the mixing hole of the magnetic ring, it is dispersed and cut, and further mixed and reacted with other raw materials, enhancing the dispersion effect of the raw materials and improving the fullness of the reaction. The magnetic transmission is contactless, avoiding the risk of leakage.

[0011] Preferably, the magnetic ring is provided with ball bearings, and the inner wall of the stirring shaft is provided with a guide groove. The guide groove is wavy, and the ball bearings are movably connected in the guide groove. When the magnetic ring moves, the ball bearings move along the guide groove.

[0012] By adopting the above technical solution, the magnetic ring is located inside the stirring chamber, and a mixing hole is opened on its end face, through which the material flows. The circumferential rotation and oscillation of the magnetic ring agitates the material in the stirring chamber, breaking the original single flow path and creating a more complex turbulent flow field between the two reactants, significantly increasing the contact area between the materials and making the mixing more uniform.

[0013] Preferably, the driving component includes a motor, which is fixedly connected to the reactor body. One end of the output shaft of the motor is coaxial and fixedly connected to the stirring shaft. A reciprocating thread groove is formed on the outer surface of the stirring shaft. One end of the magnetic block is located in the reciprocating thread groove and slides along the reciprocating thread groove.

[0014] By adopting the above technical solution, the motor drives the stirring shaft to rotate, and the reciprocating threaded groove on the outer surface of the stirring shaft forces the magnetic block to slide back and forth along the groove. In turn, the magnetic force drives the magnetic ring to move, realizing the coordinated mixing of circumferential stirring and axial disturbance. A single drive achieves dual motion, with a compact structure and strong motion coordination, improving mixing efficiency.

[0015] Preferably, the reactor body has a heating ring cavity, which is sleeved on the outside of the reaction chamber. The lower side of the reactor body has a heat medium inlet that communicates with the heating ring cavity, and the upper side has a heat medium outlet that communicates with the heating ring cavity.

[0016] By adopting the above technical solution, the heat medium enters the heating ring cavity from the heat medium inlet at the bottom of the reactor, exchanges heat around the reaction cavity, and is discharged from the heat medium outlet at the top; in conjunction with the cooling system, the reaction cavity is adjusted to the required temperature.

[0017] Preferably, it also includes a flow guide cap, which is rotatably connected to the oxygen channel. The flow guide cap has several flow guide ports that communicate with the oxygen channel, and the flow guide ports are respectively tangential to the flow guide cap.

[0018] By adopting the above technical solution, oxygen enters the guide cap from the oxygen channel and is ejected through the guide port tangent to the guide cap, generating a circumferential force to drive the guide cap to rotate; the oxygen enters the reaction chamber in the form of a rotating airflow, making the initial dispersion of oxygen more uniform, fully contacting n-butyraldehyde, and increasing the contact area.

[0019] Preferably, the gas outlet is arranged in a honeycomb pattern, and its shape gradually narrows from the side near the reaction chamber to the side near the outside.

[0020] By adopting the above technical solution, the gas to be discharged can be initially rectified, avoiding the possibility of turbulent vortices forming at the outlet.

[0021] The main technical effects of this invention are reflected in the following aspects: 1. In this invention, oxygen and n-butyraldehyde enter the reaction chamber through the lower channel of the reactor body; the drive unit drives the stirring shaft to rotate, and the stirring chamber inside the stirring shaft forms convection with the circumferential stirring channel, which, together with the stirring blades, forces the raw materials to mix; the gas generated by the reaction is discharged from the upper gas outlet, and the mass transfer resistance is broken through the dynamic stirring component, allowing oxygen and n-butyraldehyde to fully contact and react, realizing a continuous reaction, avoiding raw material retention; improving the uniformity of raw material mixing, and accelerating the reaction rate; 2. In this invention, the cooling water enters the first cooling channel of the stirring shaft from the bottom inlet of the reactor, flows through the second cooling channel, and is discharged from the lower cooling outlet. The cooling channel reduces the temperature of the stirring shaft and the surrounding reaction zone through heat exchange. The cooling channel in the stirring shaft cools the core reaction zone and ensures the stability of the reaction. 3. The driving component of the present invention drives the magnetic block to slide along the axis of the stirring shaft. The magnetic block drives the magnetic ring in the stirring chamber to move synchronously through magnetic force. When the raw material flows through the mixing hole of the magnetic ring, it is dispersed and cut, and further mixed and reacted with other raw materials to enhance the dispersion effect of the raw materials and improve the sufficiency of the reaction. The magnetic transmission is contactless and avoids the risk of leakage. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.

[0023] Figure 2 This is a cross-sectional view of the main structure of the reactor in an embodiment of this application.

[0024] Figure 3 It is along Figure 2 Enlarged view of point A in the middle.

[0025] Figure 4 It is along Figure 2 Enlarged view of point B in the middle.

[0026] Figure 5 It is along Figure 2 Enlarged view of point C in the middle.

[0027] Figure 6 This is a schematic diagram of the dynamic stirring component structure in an embodiment of this application.

[0028] Figure 7 This is a schematic diagram of the stirring shaft structure in an embodiment of this application.

[0029] Figure 8 This is a schematic diagram of the flow guide cap structure according to an embodiment of this application.

[0030] Explanation of reference numerals in the attached drawings: 1. Reactor body; 2. Reaction chamber; 3. Dynamic stirring assembly; 4. Oxygen channel; 5. Butyraldehyde channel; 6. Gas outlet; 7. Stirring shaft; 8. Drive component; 9. Stirring chamber; 10. Stirring channel; 11. Stirring blades; 12. Cooling water inlet; 13. Cooling outlet; 14. First cooling channel; 15. Second cooling channel; 16. Magnetic block; 17. Magnetic ring; 18. Mixing hole; 19. Motor; 20. Reciprocating threaded groove; 21. Heating ring cavity; 22. Heat medium inlet; 23. Heat medium outlet; 24. Flow guide cap; 25. Flow guide port; 26. Sliding groove; 27. Ball bearing; 28. Sliding groove; 29. ​​Sliding block. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1-8 This application will be described in further detail to make the technical solution of this application easier to understand and master.

[0032] This application discloses a dynamic pipeline reactor.

[0033] Reference Figure 1 The dynamic pipeline reactor of this embodiment includes a reactor body 1 with a reaction chamber 2 and a dynamic stirring assembly 3. An oxygen channel 4 and a n-butyraldehyde channel 5 communicating with the reaction chamber 2 are respectively opened on the lower side of the reactor body 1. The oxygen channel 4 and the n-butyraldehyde channel 5 are symmetrically distributed along the axis of the reactor body 1, and the outlet ends of both are facing the central area of ​​the reaction chamber 2. A gas outlet 6 communicating with the reaction chamber 2 is opened on the upper side of the reactor body 1.

[0034] Reference Figure 6 and Figure 7 The dynamic stirring assembly 3 is used to accelerate the reaction of oxygen and n-butyraldehyde entering the reaction chamber 2. The dynamic stirring assembly includes a stirring shaft 7 and a driving component 8. The stirring shaft 7 is rotatably connected to the reaction chamber 2 through a sealed bearing, and the axis of the stirring shaft 7 is collinear with the axis of the reactor body 1. The stirring shaft 7 is coaxially arranged and has a stirring chamber 9. Multiple stirring channels 10 that communicate with the stirring are evenly distributed on the circumferential side of the stirring shaft 7, and multiple stirring blades 11 are evenly distributed on the circumferential side of the stirring shaft 7. The driving component 8 is used to drive the rotation of the stirring shaft 7.

[0035] Reference Figure 1 and Figure 2 Oxygen and n-butyraldehyde enter the reaction chamber 2 from the lower channel of the reactor body 1; the drive component 8 drives the stirring shaft 7 to rotate, and the stirring chamber 9 inside the stirring shaft 7 forms convection with the circumferential stirring channel 10, which, together with the stirring blades 11, forces the raw materials to mix; the gas generated by the reaction is discharged from the upper gas outlet 6, and the mass transfer resistance is broken through the dynamic stirring component 3, so that oxygen and n-butyraldehyde can fully contact and react, realizing a continuous reaction and avoiding raw material retention; improving the uniformity of raw material mixing and accelerating the reaction rate.

[0036] Reference Figure 3 and Figure 4 The reactor body 1 has a cooling water inlet 12 coaxially opened at the bottom end. The cooling water inlet 12 is connected to the bottom end of the stirring shaft 7 through a sealed bearing. The reactor body 1 has a cooling outlet 13 opened on the lower side. The rotating shaft has a first cooling channel 14 and a second cooling channel 15 opened along the axial direction. The first cooling channel 14 is an axial straight hole. The second cooling channel 15 is an annular channel sleeved on the outside of the first cooling channel 14. The two ends of the first cooling channel 14 in the axial direction are respectively connected to the cooling water inlet 12 and the second cooling channel 15. The second cooling channel 15 is connected to the cooling water outlet. The stirring chamber 9 is located outside the second channel.

[0037] Reference Figure 3 and Figure 4Cooling water enters the first cooling channel 14 of the stirring shaft 7 from the bottom inlet of the reactor. When the first cooling channel 14 is filled, the cooling water overflows to the second cooling channel 15. After flowing through the second cooling channel 15, it is discharged from the lower cooling outlet 13. The cooling channel reduces the temperature of the stirring shaft 7 and the surrounding reaction zone through heat exchange. The cooling channel in the stirring shaft 7 cools the core reaction zone and ensures the stability of the reaction.

[0038] Reference Figure 4 The dynamic stirring assembly 3 also includes a magnetic block 16 and a magnetic ring 17. The magnetic ring 17 is coaxially sleeved on the outside of the second cooling channel 15 and located inside the stirring chamber 9. The magnetic ring 17 is movable along the axis of the stirring shaft 7 and connected inside the stirring chamber 9. Several mixing holes 18 are opened on the end face of the magnetic ring 17. The magnetic block 16 is slidably connected to the reaction chamber 2 along the axial direction of the stirring shaft 7. A sliding groove 28 is opened on the side wall of the reaction chamber 2. One end of the magnetic block 16 is located in the sliding groove 28. The magnetic block 16 is magnetically connected to the magnetic ring 17. The driving component 8 is also used to drive the sliding of the magnetic block 16. The driving component 8 drives the magnetic block 16 to slide along the axis of the stirring shaft 7. The magnetic block 16 drives the magnetic ring 17 in the stirring chamber 9 to move synchronously through magnetic force. When the raw material flows through the mixing holes 18 of the magnetic ring 17, it is dispersed and cut, and further mixed and reacted with other raw materials, enhancing the dispersion effect of the raw materials and improving the sufficiency of the reaction. The magnetic drive is non-contact, avoiding the risk of leakage.

[0039] Reference Figure 6 A ball bearing 27 is movably connected to the circumferential side of the magnetic ring 17. A guide groove with a wavy design is provided on the inner wall of the stirring shaft 7. The ball bearing 27 is movably connected within the guide groove. When the magnetic ring 17 moves, the ball bearing 27 moves along the guide groove. The magnetic ring 17 is located inside the stirring chamber 9, and a mixing hole 18 is provided on its end face, through which the material flows. The circumferential rotation and oscillation of the magnetic ring 17 agitates the material within the stirring chamber 9, breaking the original single flow path and creating a more complex turbulent flow field between the two reactants. This significantly increases the contact area between the materials, resulting in more uniform mixing.

[0040] Reference Figure 6 The magnetic ring 17 moves along the axis and oscillates in the mixing chamber 9. Its outer wall and the inner wall of the mixing shaft 7 continuously generate relative motion, which can scrape or disturb the material attached to the inner wall of the mixing shaft 7 and the inlet of the mixing channel 10, prevent the material from scaling and solidifying due to long-term retention, ensure the smooth flow of the mixing channel 10, and maintain the long-term stable mixing efficiency of the equipment.

[0041] Reference Figure 2 and Figure 7The driving component 8 includes a motor 19, which is fixedly connected to the reactor body 1. One end of the output shaft of the motor 19 is coaxially and fixedly connected to the stirring shaft 7. A reciprocating threaded groove 20 is formed on the outer surface of the stirring shaft 7. A sliding block 29 is fixedly connected to one end of the magnetic block 16. The sliding block 29 is located in the reciprocating threaded groove 20 and slides along the reciprocating threaded groove 20. A sliding groove is formed on the side wall of the reaction chamber 2 along the axial length of the stirring shaft 7. The other end of the magnetic block 16 is located in the sliding groove and slides along the reciprocating threaded groove 20. The motor 19 drives the stirring shaft 7 to rotate. The reciprocating threaded groove 20 on the outer surface of the stirring shaft 7 forces the magnetic block 16 to slide back and forth along the groove. In turn, the magnetic ring 17 moves through the magnetic force, realizing the coordinated mixing of circumferential stirring and axial disturbance. A single drive achieves dual motion, with a compact structure and strong motion coordination, improving mixing efficiency.

[0042] Reference Figure 2 and Figure 7 With just one motor 19 driving the stirring shaft 7 to rotate, the two major movements of the stirring shaft 7 rotation and the magnetic block 16 axial sliding can be realized simultaneously. There is no need to set up an additional independent axial drive mechanism, which reduces the number of drive components, reduces the probability of mechanical failure of the equipment, and achieves the dual effects of descaling and mixing at the same time.

[0043] Reference Figure 2 The reactor body 1 has a heating annular cavity 21, which is fitted onto the outside of the reaction chamber 2. A heat medium inlet 22, communicating with the heating annular cavity 21, is located on the lower side of the reactor body 1, and a heat medium outlet 23, also communicating with the heating annular cavity 21, is located on its upper side. The heat medium enters the heating annular cavity 21 from the lower heat medium inlet 22, exchanges heat around the reaction chamber 2, and then exits from the upper heat medium outlet 23. In conjunction with the cooling system, the reaction chamber 2 is adjusted to the desired temperature.

[0044] Reference Figure 2 and Figure 8 It also includes a flow guide cap 24, which is rotatably connected to the oxygen channel 4. The flow guide cap 24 has several flow guide ports 25 that communicate with the oxygen channel 4, and these ports 25 are tangentially arranged to the flow guide cap 24. Oxygen enters the flow guide cap 24 from the oxygen channel 4 and is ejected through the flow guide ports 25 tangential to the flow guide cap 24, generating a circumferential force that drives the flow guide cap 24 to rotate. The oxygen enters the reaction chamber 2 in the form of a rotating airflow, making the initial dispersion of oxygen more uniform and allowing for full contact with n-butyraldehyde, resulting in a larger contact area.

[0045] Reference Figure 5The gas outlet 6 is arranged in a honeycomb pattern, meaning that a honeycomb baffle is fixedly connected to the gas outlet 6. The honeycomb baffle is composed of multiple axially distributed through holes, and its shape gradually narrows from the side near the reaction chamber 2 to the side near the outside. This can perform preliminary rectification of the gas about to be discharged, avoiding the possibility of turbulent vortices forming at the gas outlet.

[0046] Of course, the above are just typical examples of this application. In addition, this application may have many other specific implementation methods. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of protection claimed in this application.

Claims

1. A dynamic tubular reactor comprising a reactor body (1) with a reaction chamber (2), characterized in that: Also include dynamic stirring assembly (3), the lower side of the reactor body (1) is respectively provided with oxygen channel (4) and n-butyl aldehyde channel (5) that communicates with reaction cavity (2), the upper side of the reactor body (1) is provided with gas outlet (6) that communicates with reaction cavity (2), the dynamic stirring assembly (3) is used to accelerate the reaction of oxygen and n-butyl aldehyde into reaction cavity (2), the dynamic stirring assembly (3) includes stirring shaft (7) and driving part (8), the stirring shaft (7) is rotatably connected in reaction cavity (2), the stirring shaft (7) is coaxially provided with stirring cavity (9) in, the stirring shaft (7) is uniformly distributed with multiple stirring channels (10) that communicate stirring cavity (9) on the circumferential side, and the stirring shaft (7) is uniformly distributed with multiple stirring vanes (11) on the circumferential side, the driving part (8) is used to drive the rotation of stirring shaft (7).

2. A dynamic duct reactor according to claim 1, characterized in that: The bottom end of the reactor body (1) is coaxially provided with cooling water inlet (12), and the lower side is provided with cooling outlet (13), the rotating shaft is provided with first cooling flow channel (14) and second cooling flow channel (15) in, the second cooling flow channel (15) is sleeved on the outer side of first cooling flow channel (14), and the two ends of the first cooling flow channel (14) in the axial direction are respectively communicated with cooling water inlet (12) and second cooling flow channel (15), the second cooling flow channel (15) is communicated with cooling water outlet, and the stirring cavity (9) is located on the outer side of the second flow channel.

3. A dynamic duct reactor according to claim 2, wherein: The dynamic stirring assembly (3) further includes a magnetic block (16) and a magnetic ring (17), the magnetic ring (17) is sleeved on the outer side of the second cooling flow channel (15) and located in the stirring cavity (9), a plurality of mixing holes (18) are formed in the end face of the magnetic ring (17), the magnetic block (16) is slidably connected in the reaction cavity (2) along the axis of the stirring shaft (7), the magnetic block (16) is magnetically connected with the magnetic ring (17), and the driving part (8) is used to drive the sliding of the magnetic block (16).

4. A dynamic duct reactor according to claim 3, wherein: The magnetic ring (17) is provided with a plurality of balls (27), and a guide groove is formed in the inner wall of the stirring shaft (7). The guide groove is arranged in a wave shape. The balls (27) are movably connected in the guide groove. When the magnetic ring (17) moves, the balls (27) move along the guide groove.

5. A dynamic duct reactor according to claim 3, wherein: The driving part (8) includes a motor (19), the motor (19) is fixedly connected to the reactor body (1), one end of the output shaft of the motor (19) is coaxially and fixedly connected to the stirring shaft (7), a reciprocating thread groove (20) is formed in the outer surface of the stirring shaft (7), one end of the magnetic block (16) is located in the reciprocating thread groove (20) and slides along the reciprocating thread groove (20).

6. A dynamic duct reactor according to claim 1, characterized in that: A heating ring cavity (21) is formed in the reactor body (1), the heating ring cavity (21) is sleeved on the outer side of the reaction cavity (2), a heat medium inlet (22) is formed in the lower side of the reactor body (1) and communicated with the heating ring cavity (21), and a heat medium outlet (23) is formed in the upper side of the reactor body (1) and communicated with the heating ring cavity (21).

7. A dynamic duct reactor according to claim 1, wherein: Further comprising a flow guide cap (24) which is rotatably connected to the oxygen passage (4), and a plurality of flow guide openings (25) are formed in the flow guide cap (24) and communicate with the oxygen passage (4), and the flow guide openings (25) are tangentially arranged with the flow guide cap (24) respectively.

8. A dynamic duct reactor according to claim 1, wherein: The gas outlet (6) is arranged in a honeycomb shape, and gradually tapered from the side close to the reaction cavity (2) to the side close to the outside.

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