CN115178201A

CN115178201A - 2,4-dichloro benzotrifluoride continuous nitration reaction device

Info

Publication number: CN115178201A
Application number: CN202210729629.4A
Authority: CN
Inventors: 岳晟; 马伟; 丁露; 胡月赞; 潘胜节; 王权龙
Original assignee: Jiangsu Heyutai Chemical Co ltd
Current assignee: Jiangsu Heyutai Chemical Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-10-14

Abstract

The invention discloses a 2,4-dichlorotrifluorotoluene continuous nitration reaction device, which realizes continuous production by using a storage tank, a feed pump, a supergravity microchannel reactor, a flowmeter, an online viscometer and a static separator, has large operation elasticity, high production efficiency, good product quality, less byproducts, low energy consumption and raw material consumption, safe and reliable production process and greatly reduces the production cost; through the use of the baffle plate, the pull rod, the spring I, the connecting rod, the bolt, the limiting rod and the sliding block, the feeding pump can be quickly installed and fixed and is convenient to disassemble, and the situation that the feeding pump cannot be quickly installed and fixed, so that the feeding pump is unstable in use and inconvenient for workers to work is avoided; through the use that is equipped with roof, slide bar, movable block, spring two and branch, can cushion the vibrations that the feed pump during operation produced and offset, avoid permanent vibrations to cause the damage to feed pump internals.

Description

2,4-dichloro benzotrifluoride continuous nitration reaction device

Technical Field

The invention relates to the technical field of chemical industry, in particular to a 2,4-dichlorobenzotrifluoride continuous nitration reaction device.

Background

Nitration reactions are an important class of chemical reactions and have wide applications in the pharmaceutical, pesticide and fine chemical industries. The nitration reaction usually uses mixed acid of nitric acid and sulfuric acid as a nitration reagent, and is a liquid-liquid two-phase reaction, and needs better mixing, and the reaction heat release is large, and the obtained nitro compound has poor safety.

2,4-dichloro-3,5-dinitrobenzotrifluoride is a raw material for synthesizing a pesticide intermediate, and a 2,4-dichloro-3,5-dinitrobenzotrifluoride production device in the industry at present mainly adopts an intermittent kettle type reactor, the reaction belongs to a strong exothermic reaction, and the production period is long, the safety risk is large, the two-phase mass transfer effect is not good, and the production efficiency is low.

Disclosure of Invention

The invention aims to provide a 2,4-dichlorotrifluorotoluene continuous nitration reaction device to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a 2,4-dichloro benzotrifluoride continuous nitration reaction device, includes first storage tank and second storage tank, first storage tank and second storage tank have second charge pump and first charge pump through pipe connection respectively, the bottom of second charge pump and first charge pump all is equipped with connecting block and base in proper order, the base below is connected with installation mechanism, the inside buffer gear that is equipped with of installation mechanism, the output of first charge pump and second charge pump has nitration reaction device through pipe joint connection, nitration reaction device includes hypergravity microchannel reactor, DCS and SIS system, all be equipped with the flowmeter on the pipe between first charge pump and the hypergravity microchannel reactor and the pipe between second charge pump and the hypergravity microchannel reactor, the exit end of hypergravity microchannel reactor is equipped with online viscometer, there is static separator hypergravity microchannel reactor exit end through pipe connection.

Further, installation mechanism includes the fixing base, the draw-in groove with base looks adaptation is seted up at the top of fixing base, the cavity has been seted up to the inside bilateral symmetry of fixing base, the bottom is equipped with the baffle in the cavity, the top of baffle is connected with the pull rod in the cavity, the upper end of pull rod extends to the fixing base top and is connected with the connecting rod, the connecting rod is close to base one side top and is equipped with the bolt, the lower extreme of bolt passes the logical groove that connecting rod and base top were seted up and extends to in the slot that the bottom was seted up in the draw-in groove, the restriction groove is the arc form, the bolt is located the inside partial lateral wall of slot and has seted up the spacing groove, be equipped with the gag lever post in the spacing groove, the both ends of gag lever post extend to the restriction inslot that the slot inside wall was seted up respectively, the spout has been seted up to the both sides wall symmetry in the spacing groove, the both sides that just are located the gag lever post in the spout are equipped with the slider, through installation mechanism's use for feed pump one and feed pump two swift installations simultaneously also convenient to dismantle, avoid because the unable quick installation is fixed fast, lead to the staff can make the feed pump enough stable when using the feed pump, can make the staff can make the feed pump carry out the situation that the staff carry out work, and carry out the emergence of work more convenient to use.

Further, buffer gear includes the roof that is equipped with in the recess that the bottom was seted up in the draw-in groove, the roof is located the bottom of base, the below of roof is equipped with the slide bar in the recess, the symmetry is equipped with movable block and spring two on the outer wall of slide bar in the recess, the spring is two in the relative outside of movable block, the bottom swing joint of branch and roof is passed through to the movable block upper end, and the vibrations that produce when can realize using charge pump one or charge pump two through the buffer gear who is equipped with cushion, has the shock attenuation effect, takes place to shake in avoiding its use and causes the damage to its inside parts etc..

Furthermore, the first feeding pump and the second feeding pump are variable-frequency feeding pumps, the bottoms of the first feeding pump and the second feeding pump are respectively fixedly connected with a connecting block, the connecting block is fixedly connected with a base, raw materials are conveyed through the feeding pumps, and the raw materials are conveniently and fixedly connected with an installing mechanism through the connecting block and the base.

Furthermore, a micron-sized channel of 50-100 um is arranged in the supergravity microchannel reactor, and the internal structure of the supergravity microchannel reactor is arranged in a roundabout curve form, so that the supergravity microchannel reactor has better heat exchange efficiency and better mass transfer efficiency.

Furthermore, the connecting rod passes through nut and bolt swing joint, bolt, connecting rod and pull rod combination are the J-shaped, lead to the structure box of groove and slot, lead to the integrated configuration looks adaptation of groove and slot and bolt and gag lever post, make through the nut and be connected between bolt and the connecting rod, the bolt can rotate relatively and then to the position control of gag lever post simultaneously, can restrict fixedly through connecting rod and bolt to the base simultaneously.

Furthermore, the baffle is connected with the pull rod in a rotating mode, the two ends of the first spring are fixedly connected with the baffle and the inner bottom of the cavity respectively, and the reset motion of the baffle at the use position of the first spring provides power to enable the baffle to be pushed to pull the pull rod, so that the connecting rod and the bolt are driven to limit and fix the base.

Furthermore, the moving block is connected with the sliding rod in a sliding mode, the supporting rods are respectively hinged with the moving block and the top plate, the two supporting rods are distributed in a splayed mode, two ends of the second spring are respectively fixedly connected with the moving block and the inner side wall of the groove, the second spring is used for providing power for reset movement for the moving block, stress can be transmitted to the moving block through the top plate and the supporting rods, the second spring is extruded by the moving block, and therefore buffering of the stress is achieved, and the second spring has a certain damping function.

Furthermore, the slide block is fixedly connected with the side wall of the limiting rod, the slide block is connected with the inner wall of the sliding groove in a sliding mode, the sliding block is matched with the sliding groove, the limiting rod can be limited, and the moving track of the limiting rod is limited.

Furthermore, the connecting rod is located the both sides of charge pump one, connecting rod and pull rod upper end fixed connection, the charge pump causes the hindrance to it when avoiding the pull-up connecting rod.

Compared with the prior art, the invention has the following beneficial effects:

1. the continuous production is realized by using the storage tank I, the storage tank II, the feeding pump I, the feeding pump II, the super-gravity micro-channel reactor, the flowmeter, the online viscometer and the static separator, the operation flexibility is high, the production efficiency is high, the product quality is good, the byproducts are less, the energy consumption and the raw material consumption are low, the production process is safe and reliable, and the production cost is greatly reduced; through the use of the baffle, the pull rod, the first spring, the connecting rod, the bolt, the limiting rod and the sliding block, the feeding pump can be quickly and fixedly installed and conveniently disassembled, the feeding pump is convenient to disassemble, maintain or overhaul, the feeding pump can be fixed and further limited and fixed, the bolt is prevented from not being pulled out when upward pulling force is applied to the bolt due to some accidental situations, the installation and fixation effect is better and firmer, and the situation that the feeding pump cannot be quickly installed and fixed, so that a worker can not stabilize the feeding pump when using the feeding pump and the worker cannot conveniently work is avoided; 2,4-dichlorotrifluorotoluene in the second storage tank is pumped out through the first feeding pump, mixed acid of sulfuric acid and nitric acid in the first storage tank is pumped out through the second feeding pump and is conveyed into the hypergravity microchannel reactor through the guide pipe for nitration reaction, the mixed acid of sulfuric acid and nitric acid and the discharge flow rate of 2,4-dichlorotrifluorotoluene are conveyed through the flow meter, fluid after nitration reaction in the hypergravity microchannel reactor flows out through the outlet and is subjected to viscosity measurement through the on-line viscometer, then the material liquid after reaction and mixing flows to the static separator through the guide pipe for separation, and then the nitration product is subjected to the next process; when the feeding pump I or the feeding pump II is installed and fixed, the bolt is firstly pulled upwards to drive the connecting rod and further drive the pull rod to move upwards synchronously, so that the bolt moves out of the outer sides of the slot and the clamping groove, the pull rod pulls the baffle plate to move upwards to extrude the spring I to deform, elastic force opposite to stress is generated, then the bolt drives the connecting rod and the pull rod to rotate, the connecting rod and the bolt move to the outer side of the clamping groove and a position far away from one side of the feeding pump I, the tensile force on the bolt is released, the baffle plate is reset under the action of the spring I, so that the pull rod is driven to reset, the connecting rod and the bolt are driven to reset until the bottom of the connecting rod is attached to the top of the fixing seat, then the base is inserted into the clamping groove, then the bolt is pulled upwards and rotates around the pull rod, after the lower end of the bolt corresponds to the through groove, the tensile force on the bolt is released, so that the bolt is reset under the action of the spring I, thereby make the bolt drive the gag lever post pass logical groove and insert in the slot, at this moment, the gag lever post is located the restriction inslot, later anticlockwise twist bolt rotates 90 degrees, thereby make the effect of bolt cooperation nut remove downwards, simultaneously the bolt can drive the gag lever post and rotate in step to with restriction inslot a side arm laminating, simultaneously the gag lever post can drive the slider and upwards shift along the relative bolt of spout when following bolt rotation, when gag lever post and top and spacing inslot top laminating, the gag lever post just removes ninety degrees, thereby realize that the restriction to the bolt is fixed, make the bolt can not be pulled out when receiving ascending pulling force, thereby improved the fixed effect of installation to the charge pump one, and then accomplish the installation of charge pump one and fix, when dismantling the charge pump one, only need reverse twist bolt to drive the gag lever post and rotate ninety degrees after making the gag lever post rotate to initial position can go up The device has the advantages that the bolt is pulled to move out of the slot and the through slot, and then the bolt is moved to one side of the slot to disassemble the feeding pump I, so that the feeding pump I and the feeding pump II can be quickly installed and fixed, the use is more convenient, and the feeding pump can be quickly installed, so that a worker can keep good stability when using the feeding pump, and defecate is performed for the worker;

2. through the use of the top plate, the sliding rod, the moving block, the second spring and the support rod, the vibration generated when the first feeding pump or the second feeding pump works can be buffered and offset, the function of shock absorption is realized, the damage to internal parts of the first feeding pump or the second feeding pump caused by long-term vibration is avoided, and the service life of the feeding pump is longer; when the first feeding pump or the second feeding pump works, the force of the vibration generated by the first feeding pump or the second feeding pump can be transmitted to the supporting rod through the top plate, so that the supporting rod is pushed to move downwards, the supporting rod further pushes the two moving blocks to slide along the sliding rod, the two springs on the opposite outer sides of the moving blocks are further extruded by the moving blocks to deform, the force opposite to the stress direction is further generated, the generated force is buffered and offset with the stress, and the device is stable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the mounting structure of the first charge pump of the present invention;

FIG. 3 is a schematic view of the FIG. 2 partial cross-sectional structure of the present invention;

FIG. 4 is an enlarged view of A of FIG. 3 according to the present invention;

FIG. 5 is a schematic top view of a portion of the base of the present invention;

FIG. 6 is a schematic view of the structure between the connecting rod and the bolt of the present invention;

FIG. 7 is a schematic structural view of the spacing rod and the sliding block of the present invention;

FIG. 8 is a schematic view of the internal structure of a hypergravity microchannel reactor of the present invention;

in the figure: 1. a first storage tank; 2. a second storage tank; 3. a first feeding pump; 4. a second feeding pump; 5. a supergravity microchannel reactor; 6. a flow meter; 7. an online viscometer; 8. a static separator; 9. connecting blocks; 10. a base; 11. a fixed seat; 12. a card slot; 13. a chamber; 14. a baffle plate; 15. a pull rod; 16. a first spring; 17. a connecting rod; 18. a bolt; 19. a through groove; 20. a slot; 21. a limiting groove; 22. a limiting groove; 23. a limiting rod; 24. a chute; 25. a slider; 26. a groove; 27. a top plate; 28. a slide bar; 29. a moving block; 30. a second spring; 31. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The 2,4-dichlorobenzotrifluoride continuous nitration reaction device comprises a first storage tank 1 and a second storage tank 2, wherein the first storage tank 1 and the second storage tank 2 are respectively connected with a second feed pump 4 and a first feed pump 3 through pipes, the bottoms of the second feed pump 4 and the first feed pump 3 are sequentially provided with a connecting block 9 and a base 10, a mounting mechanism is connected below the base 10, a buffer mechanism is arranged inside the mounting mechanism, the output ends of the first feed pump 3 and the second feed pump 4 are commonly connected with a nitration reaction device through pipes, the nitration reaction device comprises a hypergravity microchannel reactor 5, a DCS and an SIS system, a flow meter 6 is arranged on a pipe between the first feed pump 3 and the hypergravity microchannel reactor 5 and a pipe between the second feed pump 4 and the hypergravity microchannel reactor 5, an online viscometer 7 is arranged at the outlet end of the hypergravity microchannel reactor 5, and a static separator 8 is connected at the outlet end of the hypergravity microchannel reactor 5 through a pipe.

In this example, the installation mechanism includes a fixing base 11, a clamping groove 12 adapted to a base 10 is provided at the top of the fixing base 11, a cavity 13 is symmetrically provided at both sides inside the fixing base 11, a baffle 14 is provided at the bottom inside the cavity 13, a pull rod 15 is connected to the top of the baffle 14 inside the cavity 13, an upper end of the pull rod 15 extends to the top of the fixing base 11 and is connected to a connecting rod 17, the connecting rod 17 is provided with a bolt 18 near the top of one side of the base 10, a lower end of the bolt 18 passes through a through groove 19 provided at the top of the connecting rod 17 and the top of the base 10 and extends into a slot 20 provided at the bottom inside the clamping groove 12, the limiting groove 21 is arc-shaped, the bolt 18 is located at the inner side wall of the slot 20 and is provided with a limiting groove 22, a limiting rod 23 is provided inside the limiting groove 21, two ends of the limiting rod 23 respectively extend into the limiting groove 21 provided at the inner side wall of the slot 20, sliding grooves 24 are symmetrically provided with sliding grooves 24, two sides of the limiting rod 23 are provided with sliding blocks 25, through the installation mechanism, so that the first feed pump 3 and the second feed pump 4 can be quickly installed, and the feeding pump can be conveniently used, and the feeding pump can be conveniently and the feeding pump can be used.

In this example, the first feeding pump 3 and the second feeding pump 4 are both variable-frequency feeding pumps, the bottoms of the first feeding pump 3 and the second feeding pump 4 are respectively and fixedly connected with the connecting block 9, the connecting block 9 is fixedly connected with the base 10, raw materials are conveyed through the feeding pumps, and the raw materials are conveniently and fixedly connected with the mounting mechanism through the connecting block 9 and the base 10.

In the example, the micro-scale channel 50-100 um is arranged in the supergravity micro-channel reactor 5, and the internal structure of the supergravity micro-channel reactor 5 is arranged in a circuitous curve form, so that the heat exchange efficiency and the mass transfer efficiency are better.

In this example, the connecting rod 17 is movably connected with the bolt 18 through a nut, the bolt 18, the connecting rod 17 and the pull rod 15 are combined to form a J shape, the structure box body with the through groove 19 and the through groove 20 is matched with the combined structure of the bolt 18 and the limiting rod 23 through the through groove 19 and the through groove 20, the bolt 18 and the connecting rod 17 are connected through the nut, meanwhile, the bolt 18 can rotate relatively to adjust the position of the limiting rod 23, and meanwhile, the base 10 can be limited and fixed through the connecting rod 17 and the bolt 18.

In this example, the baffle 14 is rotatably connected with the pull rod 15, two ends of the first spring 16 are respectively fixedly connected with the baffle 14 and the bottom in the chamber 13, and the reset motion of the baffle 14 at the use position of the first spring 16 provides power to push the baffle 14 to pull the pull rod 15, so as to drive the connecting rod 17 and the bolt 18 to limit and fix the base 10.

In this example, the slider 25 is fixedly connected with the side wall of the limiting rod 23, the slider 25 is slidably connected with the inner wall of the sliding groove 24, and the slider 25 is used to limit the limiting rod 23 and limit the moving track of the limiting rod 23 in cooperation with the sliding groove 24.

In this example, connecting rod 17 is located the both sides of a feed pump 3, and connecting rod 17 and pull rod 15 upper end fixed connection, feed pump 3 causes the hindrance to it when avoiding pull-up connecting rod 17.

The working principle of the invention is as follows: when the device is used, 2,4-dichlorotrifluorotoluene in the storage tank II 2 is pumped out by the feed pump I3, the mixed acid of sulfuric acid and nitric acid in the storage tank I1 is pumped out by the feed pump II 4 and is conveyed into the hypergravity microchannel reactor 5 through the guide pipe for nitration reaction, meanwhile, the mixed acid of sulfuric acid and nitric acid and the discharge flow rate of 2,4-dichlorotrifluorotoluene can be controlled and adjusted according to needs by the flowmeter 6, the fluid after nitration reaction in the hypergravity microchannel reactor 5 flows out through the outlet and is subjected to viscosity measurement by the on-line viscometer 7, then the reacted and mixed material flows to the static separator 8 through the guide pipe for separation, and then the nitration product is subjected to the next process, so that the device realizes continuous production, low energy consumption and raw material consumption, and safe and reliable production process; meanwhile, when the first feed pump 3 or the second feed pump 4 is installed and fixed, the bolt 18 is pulled upwards to drive the connecting rod 17 and further drive the pull rod 15 to move upwards synchronously, so that the lower end of the bolt 18 moves out of the slot 20 and the clamping groove 12, meanwhile, the pull rod 15 can pull the baffle plate 14 to move upwards synchronously, and further the top wall in the cavity 13 is matched with the extrusion spring 16, so that the spring 16 is stressed and deformed to generate elastic force opposite to the stress direction, then the bolt 18 is pulled to drive the connecting rod 17 to rotate around the pull rod 15, so that the connecting rod moves to the outer side of the clamping groove 12 and is positioned on the outer side of the first feed pump 3, then the base 10 can be inserted into the clamping groove 12, then the bolt 18 is pulled and rotates around the pull rod 15, after the lower end of the bolt 18 and the limiting rod 23 correspond to the through groove 19, the tensile force on the bolt 18 is released, so that the baffle plate 14 performs reset motion under the action of the spring 16, thereby driving the pull rod 15 to pull the connecting rod 17 to perform a reset motion, further driving the bolt 18 to move downwards, so that the bolt 18 drives the limiting rod 23 to pass through the through slot 19 and be inserted into the slot 20, then turning the bolt 18 anticlockwise to rotate for 90 degrees, so that the lower end of the bolt 18 moves downwards to be in contact with the inner bottom surface of the slot 20, meanwhile, the bolt 18 drives the limiting rod 23 to rotate into the limiting slot 21, so that one side surface of the limiting rod 23 is attached to one side wall surface of the limiting slot 21, which is perpendicular to the bolt 18, and the limiting rod 23 drives the sliding block 25 to move upwards relative to the bolt 18 along the sliding slot 24 while following the movement of the bolt 18, and when the bottom of the bolt 18 is attached to the inner bottom of the slot 20, the top of the limiting rod 23 is attached to the top of the limiting slot 22, and the limiting rod 23 just moves ninety degrees to realize the limiting and fixing of the bolt 18, so that the bolt 18 is even if being pulled upwards, also can not pull out, thereby high its fixed effect, and then accomplish the installation of charge pump 3 fixed, during the dismantlement, only need reverse torsion bolt 18 to drive gag lever post 23 and rotate ninety degrees back can pull-up bolt 18 shift out it to the outside of slot 20 and logical groove 19, later can accomplish the dismantlement of charge pump 3 after moving bolt 18 to draw-in groove 12 one side again, the device's use makes charge pump 3 and charge pump two 4 can swiftly install fixedly, avoid because the unable quick installation of charge pump is fixed, lead to the staff can make the charge pump unstable when using the charge pump, the staff of being not convenient for carries out the emergence of the situation of work, it is more convenient to use.

As shown in fig. 3 and fig. 4, a 2,4-dichlorobenzotrifluoride continuous nitration reaction device, wherein a buffer mechanism comprises a top plate 27 arranged in a groove 26 arranged at the bottom in a clamping groove 12, the top plate 27 is arranged at the bottom of a base 10, a sliding rod 28 is arranged below the top plate 27 in the groove 26, a moving block 29 and a spring two 30 are symmetrically arranged on the outer wall of the sliding rod 28 in the groove 26, the spring two 30 is arranged at the opposite outer side of the moving block 29, the upper end of the moving block 29 is movably connected with the bottom of the top plate 27 through a support rod 31, and the buffer mechanism can buffer the vibration generated when a feed pump one 3 or a feed pump two 4 is used, so that the device has a shock absorption effect and avoids the damage to the internal parts and the like caused by the vibration in the use process.

In this example, moving block 29 is connected with slide bar 28 in a sliding manner, support rods 31 are respectively connected with moving block 29 and top plate 27 in a hinged manner, two support rods 31 are arranged in a splayed manner, two ends of spring two 30 are respectively fixedly connected with moving block 29 and the inner side wall of groove 26, the power of the reset motion is provided for moving block 29 through the use of spring two 30, the stress of spring two can be transmitted to moving block 29 through top plate 27 and support rods 31, moving block 29 extrudes spring two 30, the stress is buffered, and the shock absorption function is achieved.

The working principle of the invention is as follows: during the use, when charge pump 3 or charge pump two 4 carry out the during operation, the power of the vibrations of its production can be transmitted to roof 27 through connecting block 9 and base 10, and then make roof 27 transmit the atress to branch 31, thereby make branch 31 promote movable block 29 to slide to being close to spring two 30 direction along slide bar 28, thereby cooperation recess 26's inside wall extrusion spring two 30 warp, spring two 30 warp and produce the power opposite with the atress direction, thereby cushion its atress and offset, realize absorbing effect, thereby avoid permanent use, the vibrations that produce cause the damage to charge pump 3 or charge pump two 4 and inside part or connector lug, and then improved charge pump's life.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A2,4-dichloro benzotrifluoride continuous nitration reaction device comprises a first storage tank (1) and a second storage tank (2), and is characterized in that: storage tank (1) and storage tank two (2) have charge pump two (4) and charge pump (3) through pipe connection respectively, the bottom of charge pump two (4) and charge pump (3) all is equipped with connecting block (9) and base (10) in proper order, base (10) below is connected with installation mechanism, the inside buffer gear that is equipped with of installation mechanism, the output of charge pump one (3) and charge pump two (4) is connected with nitration reaction device jointly through the pipe, nitration reaction device includes hypergravity microchannel reactor (5), DCS and SIS system, all be equipped with on the pipe between charge pump one (3) and hypergravity microchannel reactor (5) and charge pump two (4) and the hypergravity microchannel reactor (5) flowmeter (6), the exit end of hypergravity microchannel reactor (5) is equipped with online microvravity viscometer (7), hypergravity microchannel reactor (5) exit end is connected with pipe static separator (8).

2. The continuous 2,4-dichlorotrifluorotoluene nitration reaction device of claim 1, wherein: the mounting mechanism comprises a fixed seat (11), the top of the fixed seat (11) is provided with a clamping groove (12) matched with the base (10), two sides of the interior of the fixed seat (11) are symmetrically provided with cavities (13), a baffle (14) is arranged at the bottom in the chamber (13), the top of the baffle (14) in the chamber (13) is connected with a pull rod (15), the upper end of the pull rod (15) extends to the top of the fixed seat (11) and is connected with a connecting rod (17), the top of one side of the connecting rod (17) close to the base (10) is provided with a bolt (18), the lower end of the bolt (18) passes through the connecting rod (17) and a through groove (19) arranged at the top of the base (10) and extends into a slot (20) arranged at the bottom in the clamping groove (12), the limiting groove (21) is arc-shaped, the side wall of the bolt (18) positioned in the slot (20) is provided with a limiting groove (22), a limiting rod (23) is arranged in the limiting groove (22), two ends of the limiting rod (23) respectively extend into a limiting groove (21) formed in the inner side wall of the slot (20), sliding grooves (24) are symmetrically arranged on the two inner side walls of the limiting groove (22), and sliding blocks (25) are arranged in the sliding grooves (24) and positioned on two sides of the limiting rod (23).

3. The continuous nitration reactor of 2,4-dichlorotrifluorotoluene as claimed in claim 2, wherein: the buffer mechanism comprises a top plate (27) arranged in a groove (26) formed in the inner bottom of the clamping groove (12), the top plate (27) is located at the bottom of the base (10), a sliding rod (28) is arranged below the top plate (27) in the groove (26), a moving block (29) and a second spring (30) are symmetrically arranged on the outer wall of the sliding rod (28) in the groove (26), the second spring (30) is located on the outer side of the moving block (29), and the upper end of the moving block (29) is movably connected with the bottom of the top plate (27) through a supporting rod (31).

4. The continuous 2,4-dichlorotrifluorotoluene nitration reaction device of claim 1, wherein: the feeding pump I (3) and the feeding pump II (4) are frequency conversion feeding pumps, the bottoms of the feeding pump I (3) and the feeding pump II (4) are respectively fixedly connected with a connecting block (9), and the connecting block (9) is fixedly connected with a base (10).

5. The continuous nitration reactor of 2,4-dichlorotrifluorotoluene as claimed in claim 1, wherein: the supergravity microchannel reactor (5) is internally provided with a micron-sized channel of 50-100 um, and the internal structure of the supergravity microchannel reactor (5) is arranged in a roundabout curve form.

6. The continuous nitration reactor of 2,4-dichlorotrifluorotoluene as claimed in claim 2, wherein: connecting rod (17) pass through nut and bolt (18) swing joint, bolt (18), connecting rod (17) and pull rod (15) combination are the J-shaped, lead to the structure box of groove (19) and slot (20), lead to the integrated configuration looks adaptation of groove (19) and slot (20) and bolt (18) and gag lever post (23).

7. The continuous nitration reactor of 2,4-dichlorotrifluorotoluene as claimed in claim 2, wherein: the baffle (14) is rotatably connected with the pull rod (15), and two ends of the first spring (16) are fixedly connected with the baffle (14) and the inner bottom of the cavity (13) respectively.

8. The continuous nitration reactor of 2,4-dichlorotrifluorotoluene as claimed in claim 3, wherein: the moving block (29) is connected with the sliding rod (28) in a sliding mode, the supporting rods (31) are respectively hinged with the moving block (29) and the top plate (27), the two supporting rods (31) are distributed in a splayed mode, and two ends of the second spring (30) are respectively fixedly connected with the moving block (29) and the inner side wall of the groove (26).

9. The continuous nitration reactor of 2,4-dichlorotrifluorotoluene as claimed in claim 3, wherein: slider (25) and gag lever post (23)'s lateral wall fixed connection, slider (25) and spout (24) inner wall sliding connection.

10. The continuous nitration reactor of 2,4-dichlorotrifluorotoluene as claimed in claim 2, wherein: the connecting rod (17) is located on two sides of the first feeding pump (3), and the connecting rod (17) is fixedly connected with the upper end of the pull rod (15).