CN119869420A - Trifluoromethyl aniline cauldron raffinate resourceful utilization equipment - Google Patents
Trifluoromethyl aniline cauldron raffinate resourceful utilization equipment Download PDFInfo
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- CN119869420A CN119869420A CN202510381756.3A CN202510381756A CN119869420A CN 119869420 A CN119869420 A CN 119869420A CN 202510381756 A CN202510381756 A CN 202510381756A CN 119869420 A CN119869420 A CN 119869420A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
- B01J2219/00085—Plates; Jackets; Cylinders
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a device for recycling residual liquid of a trifluoromethyl aniline kettle, which relates to the field of reaction kettles, and comprises a reaction kettle, wherein a feed inlet is arranged on one side of a top plate of the reaction kettle, a discharge outlet is arranged at the center of the bottom surface of the reaction kettle, and materials are put into the inner side of the reaction kettle through the feed inlet; the device for recycling the residual liquid of the trifluoromethyl aniline kettle can directly convey the cooling liquid to the friction contact surface of the scraping plate and the inner wall of the reaction kettle. The cooling liquid flows along the friction surface through a C-shaped cooling channel in the scraper blade, directly absorbs friction heat and is rapidly guided out through closed loop circulation. Compared with the reaction kettle in the prior art, the method effectively avoids the decomposition or coking of the trifluoromethyl aniline raffinate caused by local overheating, and avoids the problem of increased abrasion caused by overheating.
Description
Technical Field
The invention relates to the field of reaction kettles, in particular to a device for recycling residual liquid of a trifluoromethyl aniline kettle.
Background
In the field of chemical production, the trifluoromethyl aniline residual liquid is produced in the recovery and preparation process, and the recovery and the preparation process are required to be subjected to resource treatment through a reaction kettle. In the prior art, the scraping wall type reaction kettle is widely applied to the stirring and distillation processes of materials, and the inner wall of the reaction kettle is continuously scraped by a scraping plate to prevent the materials from adhering, so that the mixing reaction in the mixing process and the subsequent reaction process is ensured to be full.
However, in long-time operation, mechanical friction between the scraping plate and the inner wall of the reaction kettle can lead to rapid local temperature rise, and the problems of material thermosensitive damage, easy decomposition or coking of the trifluoromethyl aniline residual liquid at high temperature, reduction of product purity and recovery efficiency, aggravation of equipment loss, acceleration of abrasion of the scraping plate and the inner wall of the reaction kettle due to local overheating, and shortened service life of the equipment are caused.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a resource utilization device for the residual liquid of a trifluoromethyl aniline kettle, and solves the problems that the continuous scraping of a scraping plate type reaction kettle for recovering and treating the residual liquid of the trifluoromethyl aniline in the prior art is easy to generate high temperature, so that the residual liquid of the trifluoromethyl aniline is decomposed and coked, and the scraping plate and the inner wall of the reaction kettle are accelerated to wear.
In order to solve the problems in the prior art, the technical scheme of the invention is as follows:
The equipment comprises a reaction kettle and a stirring shaft arranged at the axis of the reaction kettle, wherein a first cavity and a second cavity which are isolated from each other are arranged in the stirring shaft, a plurality of stirring blades are fixed on the outer wall of the stirring shaft, a scraper is arranged at the tail end of each stirring blade, and the scraping surface of each scraper is adjustably attached to the inner wall of the reaction kettle;
The inner side of the scraping plate is provided with a cooling channel which is communicated with the first cavity and the second cavity through a fluid channel which can be disconnected;
and a propping assembly is arranged between the scraping plate and the stirring blade and is used for driving the scraping plate to keep being attached to the inner wall of the reaction kettle, and the fluid channel is disconnected when the scraping plate is separated.
Preferably, the fluid channel comprises an upper liquid inlet pipe and a lower liquid outlet pipe which are fixed on the stirring blade, the upper liquid inlet pipe and the lower liquid outlet pipe are respectively communicated with the first cavity and the second cavity, the rotating pipelines are respectively connected with the upper liquid inlet pipe and the lower liquid outlet pipe in a rotating way, one end of the upper liquid inlet pipe, which is close to the rotating pipeline, and one end of the lower liquid outlet pipe, which is close to the rotating pipeline, are longitudinally arranged, and one ends of the upper liquid inlet pipe and the lower liquid outlet pipe, which are close to the rotating pipeline, are coaxially arranged;
and one ends of the two rotating pipelines, which deviate from the stirring blades, are respectively communicated with two ends of the cooling channel, communication pieces are arranged between the rotating pipelines and the upper liquid inlet pipe and between the rotating pipelines and the lower liquid outlet pipe, and the fluid channel is disconnected when the scraping plates are separated from the inner wall of the kettle body.
Preferably, the communicating piece comprises an open-closed loop fixed in the rotating pipeline, a communicating groove for communicating the inner cavity of the open-closed loop and the inner cavity of the rotating pipeline is formed in the outer wall of the open-closed loop, cooling liquid through holes are formed in the parts, covered by the open-closed loop, of the upper liquid inlet pipe and the lower liquid outlet pipe in a fitting mode, and when the scraping plate is attached to the inner wall of the reaction kettle, the cooling liquid through holes are aligned to the communicating groove to form a passage.
Preferably, the tight subassembly is supported includes the cover and establishes the torsion spring in the rotation pipeline outside, and torsion spring's one end is fixed with the rotation pipeline outer wall, and torsion spring's the other end is connected with stirring vane through adjusting part, and adjusting part is used for trend torsion spring tip to twist reverse.
Preferably, the adjusting component comprises a circular ring connected to one end of the torsion spring deviating from the rotating pipeline, a pair of circular rings at the end part of the stirring blade are respectively sleeved at the end parts of the lower liquid outlet pipe and the upper liquid inlet pipe, a rotating shaft is rotatably connected in a notch at the end part of the stirring blade through a bearing, the upper end and the lower end of the rotating shaft are respectively fixed with the two circular rings, a worm wheel is fixed in the middle of the rotating shaft, a worm is rotatably connected to the inner wall of the notch through a bearing, the worm is meshed with the worm wheel, and a knob is fixed at the end part of the worm.
Preferably, the tight subassembly is supported includes the flitch of articulated at the scraper blade outer wall, and the one end that promotes the board back of the body to leave the scraper blade articulates there is the slider, and the slider passes through slide rail and stirring vane's outer wall sliding connection, has the bolt through screw hole threaded connection on the slider, and the bolt tip is contradicted on stirring vane's outer wall.
Preferably, the stirring shaft is hollow, the opening of the inner cavity of the stirring shaft faces upwards, an interlayer sleeve is fixed at the center of the bottom surface of the inner cavity of the stirring shaft, and the inner cavity of the interlayer sleeve is isolated from the inner cavity of the stirring shaft through the side wall of the interlayer sleeve.
Preferably, the top surface of the interlayer sleeve is higher than the top surface of the stirring shaft, the top of the interlayer sleeve is rotationally connected with a first feeding head through a second sealing bearing, the top of the stirring shaft is rotationally connected with a second feeding head through a third sealing bearing, the interlayer sleeve and the second discharging head are coaxially arranged, and the interlayer sleeve and the second discharging head are rotationally connected through a fourth sealing bearing.
Compared with the prior art, the invention has the following advantages:
1. According to the invention, through the integrated cooling flow passage of the stirring shaft inner cavity, the interlayer sleeve, the upper liquid inlet pipe, the lower liquid outlet pipe and the scraper cooling channel, cooling liquid is directly conveyed to the friction contact surface (namely the scraping surface) between the scraper and the inner wall of the reaction kettle. The cooling liquid flows along the friction surface through the C-shaped cooling channel in the scraper blade, directly absorbs friction heat, and is rapidly guided out through closed loop circulation (the cooling liquid through opening is dynamically aligned with the communicating groove). Compared with the reaction kettle in the prior art, the problem of decomposition or coking of the trifluoromethyl aniline raffinate caused by local overheating is effectively avoided, and the problem of aggravation of abrasion caused by overheating is avoided.
2. According to the invention, through the arrangement of the torsion spring in the first embodiment and the arrangement of the structures such as the sliding block, the pushing plate and the like in the second embodiment, the scraping plate can be rotationally adjusted, so that the scraping plate can work for a long time and be worn. The adjustment of the scraper blade is carried out, the scraper blade is guaranteed to be attached to the inner wall of the reaction kettle, the abrasion gap is made up, the torsion spring structure is arranged in the first embodiment, the attachment of the scraper blade can be guaranteed, the scraper blade is only required to be pre-tightened when the elastic potential energy of the torsion spring is reduced, the torsion spring is rotated, the scraper blade is lifted to be abutted to the inner wall of the reaction kettle, the adjusting period is greatly prolonged, and the adjusting times are reduced.
3. According to the invention, the open-closed loop-communicating groove structure is designed at the tail end of the scraper cooling channel, when the liquid level is reduced, the scraper is driven to be folded to the outer side of the stirring blade around the rotating shaft by rotating the knob, or the scraper is separated from the inner wall of the reaction kettle by adjusting the position of the sliding block, at the moment, the dislocation of the communicating groove and the cooling liquid port automatically cuts off the cooling liquid flow channel and stops supplying liquid to the idle scraper, and by the design, when the liquid level is reduced, the scraper can be reduced by folding, the cooling channel in the scraper can be mechanically linked and closed, the consumption of cooling liquid is reduced, the operation steps are reduced, and only the scraper is required to be turned over, and the flow channel is not required to be closed by independent operation.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of the position of the stirring vane of the present invention.
Fig. 3 is a schematic view of a first liquid inlet head according to the present invention.
Fig. 4 is a schematic view of the structure of the scraper of the present invention.
Fig. 5 is a schematic view of a spindle structure according to the present invention.
Fig. 6 is a schematic diagram of the position structure of the upper liquid inlet pipe of the present invention.
Fig. 7 is a schematic view of a cooling channel structure according to the present invention.
Fig. 8 is a schematic diagram of an open-closed loop structure of the present invention.
Fig. 9 is a schematic view of a cooling liquid port structure according to the present invention.
Fig. 10 is a schematic structural diagram of a second embodiment of the present invention.
The device comprises the following components of a reaction kettle, a feed inlet, a discharge outlet, a stirring shaft, a 401 interlayer sleeve, a worm gear speed reducing motor, a stirring blade, a 601, a notch, a 7 upper liquid inlet pipe, a 8 lower liquid outlet pipe, a 9, a scraper, a 10, a cooling channel, a 11, a rotating pipeline, a12, a bending part, a13, a first feed head, a 14, a second feed head, a15, a torsion spring, a 16, a circular ring, a17, a rotating shaft, a 18, a worm gear, a 19, a worm, a 20, a knob, a 21, an open-close ring, a 22, a communicating groove, a 23, a cooling liquid through hole, a 24, a pushing plate, a 25, a sliding block, a 26, a sliding rail, a 27 and a bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1 to 9, the present embodiment provides a device for recycling residual liquid of a trifluoromethylaniline kettle, which includes a reaction kettle 1, a feed inlet 2 is disposed on one side of a top plate of the reaction kettle 1, and a discharge outlet 3 is disposed at a central position of a bottom surface of the reaction kettle 1. The materials are put into the inner side of the reaction kettle 1 through the feed inlet 2, stirring and mixing are carried out after the reaction kettle 1 is closed, and decompression and distillation work are carried out, so that the conventional arrangement of the stirring kettle in the prior art is adopted for decompression and temperature control, and the conventional arrangement of the stirring kettle belongs to the mature prior art, so that the description is omitted here;
The center department through the top surface of the top plate of the reaction kettle 1 is rotationally connected with a stirring shaft 4 through a first sealing bearing, the lower end of the stirring shaft 4 extends to the inner cavity of the reaction kettle 1, a worm gear reduction motor 5 is fixed at the middle position of the top surface of the top plate of the reaction kettle 1, the upper end of the stirring shaft 4 is sleeved and fixed on the inner wall of the output end of the worm gear reduction motor 5, six stirring blades 6 are sequentially fixed on the outer wall of the inner cavity part of the reaction kettle 1 from top to bottom in a stepped manner, and when the worm gear reduction motor 5 is electrified and driven, the stirring shaft 4 is driven to rotate, so that the stirring blades 6 revolve around the inner side of the reaction kettle 1, and the stirring effect is realized.
The (mixing) shaft 4 is the cavity setting, the inner chamber opening of (mixing) shaft 4 is upwards, be fixed with intermediate layer sleeve 401 on the central department position of (mixing) shaft 4 inner chamber bottom surface, the opening of intermediate layer sleeve 401 is also upwards, stirring vane 6's top surface is fixed with feed liquor pipe 7, stirring vane 6's bottom surface is fixed with down drain pipe 8, the one end that feed liquor pipe 7 is close to reation kettle 1 axis department runs through the lateral wall of (mixing) shaft 4 and the lateral wall of intermediate layer sleeve 401 in proper order, extend to the intermediate layer sleeve 401 inner chamber, the one end that lower drain pipe 8 is close to reation kettle 1 axis department runs through the lateral wall of (mixing) shaft 4 and extends to in the (mixing) shaft 4 inner chamber, and go up feed liquor pipe 7 and the lateral wall of (mixing) shaft 4 and the lateral wall of intermediate layer sleeve 401 are fixed, drain pipe 8 and the lateral wall of (mixing) shaft 4 are fixed down.
The stirring blade 6 is provided with a scraper blade 9 at one end deviating from the stirring shaft 4, a C-shaped cooling channel 10 is formed in the middle of the scraper blade 9, a C-shaped opening of the cooling channel 10 faces the end part of the stirring blade 6, the middle of the cooling channel 10 is positioned at one side, close to the scraping surface of the scraper blade 9, of the inner side of the scraper blade 9, the upper end and the lower end of the cooling channel 10 respectively extend to the top surface and the bottom surface of the scraper blade 9, the upper end and the lower end of the cooling channel 10 are respectively fixedly connected with a rotating pipeline 11 in an inserting mode, one ends, close to the scraper blade 9, of an upper liquid inlet pipe 7 and a lower liquid outlet pipe 8 are respectively provided with a vertically upward bending part 12 and a vertically downward bending part 12, the two bending parts 12 are coaxially arranged, and the upper rotating pipeline 11 and the lower rotating pipeline 11, which are opposite to the stirring blade 6, are respectively connected with the bending part 12 of the upper liquid inlet pipe 7 and the bending part 12 of the lower liquid outlet pipe 8 in a rotating mode through a fifth sealing bearing;
So at (mixing) shaft 4 pivoted in-process, guarantee scraping surface of scraper blade 9 and contradict on reation kettle 1 inner wall, then can strike off the residual material that adheres to at reation kettle 1 inner wall simultaneously at the in-process of stirring, and scrape the surface and the inner wall of reation kettle 1 and take place the phenomenon of local overheated because of the friction, then can be through letting in the coolant liquid to intermediate layer sleeve 401 inboard for the coolant liquid enters into in the upper liquid feed pipe 7, then enters into cooling channel 10 through rotating pipeline 11, in cooling channel 10, the heat of scraping the surface of scraper blade 9 is taken away to the coolant liquid, get into down drain pipe 8, then enter into in the inner chamber of (mixing) shaft 4 and be discharged from the upper end opening.
The top surface of the interlayer sleeve 401 is higher than the top surface of the stirring shaft 4, the top of the interlayer sleeve 401 is rotationally connected with a first feed head 13 through a second sealing bearing, the top of the stirring shaft 4 is rotationally connected with a second feed head 14 through a third sealing bearing, the interlayer sleeve 401 penetrates through the second feed head 14 from the axis position of the second feed head 14, the outer wall of the interlayer sleeve 401 is rotationally connected with the top plate of the second feed head 14 through a fourth sealing bearing, when an external cooling liquid pumping pipeline and a cooling liquid collecting pipeline are used, the pumping pipeline is abutted against a liquid inlet of the first feed head 13, the collecting pipeline is abutted against a liquid outlet of the second discharge port 3, and then circulation pumping work of cooling liquid is realized, and when the stirring shaft 4 and the interlayer sleeve 401 are rotationally stirred, the positions of the first feed head 13 and the second feed head 14 can be kept motionless, so that the occurrence of motion interference is avoided;
In order to ensure that the scraping plate 9 can always abut against the inner wall of the reaction kettle 1 in the stirring and scraping process, the rotating pipeline 11 is sleeved with the torsion spring 15 on the outer side of the part of the bending part 12, one end of the torsion spring 15 is fixed with the outer wall of the rotating pipeline 11, the other end of the torsion spring 15 is fixedly provided with the circular ring 16, the two circular rings 16 are respectively sleeved on the bending part 12 of the upper liquid inlet pipe 7 and the outer side of the bending part 12 of the lower liquid outlet pipe 8, the circular rings 16 and the bending part 12 are coaxially arranged, the rotating shaft 17 is rotatably connected with the rotating shaft 17 through a bearing in the notch 601 in the middle part of one side, which is far away from the axis of the reaction kettle 1, the rotating shaft 17 and the circular ring 16 are coaxially arranged, the upper end and the lower end of the rotating shaft 17 are respectively fixed with the two circular rings 16, the middle part of the rotating shaft 17 is fixedly provided with the worm wheel 18, the inner wall of the notch 601 is rotatably connected with the worm 19 through a bearing, the worm 19 is meshed with the worm 18, and the end part of the worm 19 is fixedly provided with the knob 20. The worm 19 limits the rotation of the worm wheel 18, so that the torsion spring 15 can always provide torsion force for the rotating pipeline 11 in a normal state, the scraping plate 9 keeps a state of abutting against the inner wall of the reaction kettle 1, the scraping plate 9 can realize an effective scraping effect in the rotation process of the stirring shaft 4, and after the elastic potential energy of the torsion spring 15 is reduced along with the increase of the using time, the worm 19 can stir the worm wheel 18 to rotate through the rotating knob 20, and then the ring 16 can be rotated, so that the torsion degree of the torsion spring 15 is increased, the force fed back to the scraping plate 9 is compensated, the force of the scraping plate 9 tightly attached to the inner wall of the reaction kettle 1 is supplemented, and the better scraping force is ensured all the time;
The inner cavity of the rotating pipeline 11 close to the bending part 12 is fixedly provided with an opening and closing ring 21, the inner wall of the opening and closing ring 21 is abutted against the outer wall of the bending part 12, one side of the outer wall of the opening and closing ring 21, which is away from the stirring blade 6, is provided with a communicating groove 22 with an opening facing one side away from the stirring blade 6, one end of the communicating groove 22, which is close to the stirring blade 6, penetrates through the opening and closing ring 21 and is communicated with the inner cavity of the opening and closing ring 21, the position, which is opposite to the communicating groove 22, of the bending part 12 is provided with a cooling liquid through hole 23, when the scraping plate 9 is tightly attached to the inner wall of the reaction kettle 1, the end part of the communicating groove 22 is opposite to the cooling liquid through hole 23, so that a fluid channel for supplying cooling liquid circulation is opened, and the amount of the trifluoromethylaniline residual liquid to be treated in the reaction kettle 1 is adjusted to be reduced, then the scraping plate 9 with corresponding height can be sequentially rotated from top to the inner wall of the reaction kettle 1, unnecessary abrasion and waste of cooling liquid are reduced, and the rotating knob 20 is driven to rotate until the scraping plate 9 is attached to the outer side of the stirring blade 6.
The pipes are made of ceramics or other hard materials with poor heat conduction performance so as to ensure the cooling efficiency of the cooling liquid on the scraping plate 9.
Referring to fig. 10, the difference between the present embodiment and the first embodiment lies in that, a pushing plate 24 is hinged to an outer wall of one side of the scraper 9, one end of the pushing plate 24, which is away from the scraper 9, is hinged to a sliding block 25, the sliding block 25 is slidably connected with an outer wall of the stirring blade 6 through a sliding rail 26, a bolt 27 is screwed to the sliding block 25 through a threaded hole, an end of the bolt 27 abuts against the outer wall of the stirring blade 6, the structures of the sliding block 25, the pushing plate 24, the bolt 27, the torsion spring 15, the ring 16, the rotating shaft 17, the worm 19, the worm wheel 18 and the like in the first embodiment are replaced, the pushing plate 24 is utilized to achieve the effect of abutting the scraper 9 against the inner wall of the reaction kettle 1, and similarly, as the scraper 9 is gradually worn, the position of the sliding block 25 on the stirring blade 6 is adjusted, so that the scraper 9 is pushed to turn over, the scraper 9 is always abutted against the inner wall of the reaction kettle 1 to be effectively scraped, and the amount of the residual liquid of the trifluo-methylaniline to be treated is reduced, and the position of the sliding block 25 is adjusted.
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 therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The equipment for recycling the residual liquid of the trifluoromethyl aniline kettle comprises a reaction kettle (1) and a stirring shaft (4) arranged at the axis of the reaction kettle, and is characterized in that a first cavity and a second cavity which are isolated from each other are arranged in the stirring shaft (4), a plurality of stirring blades (6) are fixed on the outer wall of the stirring shaft (4), scraping plates (9) are arranged at the tail ends of the stirring blades (6), and the scraping surfaces of the scraping plates (9) are adjustably attached to the inner wall of the reaction kettle (1);
A cooling channel (10) is arranged on the inner side of the scraping plate (9), and the cooling channel (10) is communicated with the first cavity and the second cavity through a fluid channel which can be disconnected;
and a propping assembly is arranged between the scraping plate (9) and the stirring blade (6), and the propping assembly is used for driving the scraping plate (9) to keep being attached to the inner wall of the reaction kettle (1) and disconnecting the fluid channel when the scraping plate (9) is separated.
2. The device for recycling the residual liquid of the trifluoromethylaniline kettle according to claim 1, wherein the fluid channel comprises an upper liquid inlet pipe (7) and a lower liquid outlet pipe (8) which are fixed on stirring blades (6), the upper liquid inlet pipe (7) and the lower liquid outlet pipe (8) are respectively communicated with the first cavity and the second cavity, the rotating pipelines (11) are respectively connected with the upper liquid inlet pipe (7) and the lower liquid outlet pipe (8) in a rotating way, one end of the upper liquid inlet pipe (7) close to the rotating pipeline (11) and one end of the lower liquid outlet pipe (8) close to the rotating pipeline (11) are longitudinally arranged, and one ends of the upper liquid inlet pipe (7) and the lower liquid outlet pipe (8) close to the rotating pipeline (11) are coaxially arranged;
One end of each rotating pipeline (11) deviating from each stirring blade (6) is respectively communicated with two ends of each cooling channel (10), a communicating piece is arranged between each rotating pipeline (11) and each upper liquid inlet pipe (7) and between each rotating pipeline and each lower liquid outlet pipe (8), and the fluid channels are disconnected when the scraping plates (9) are separated from the inner walls of the kettle bodies.
3. The device for recycling the residual liquid of the trifluoromethylaniline kettle according to claim 2, wherein the communicating piece comprises an open-closed loop (21) fixed in the rotary pipeline (11), a communicating groove (22) for communicating the inner cavity of the open-closed loop (21) with the inner cavity of the rotary pipeline (11) is formed on the outer wall of the open-closed loop (21), cooling liquid through holes (23) are formed in the parts, covered by the open-closed loop (21), of the upper liquid inlet pipe (7) and the lower liquid outlet pipe (8), and when the scraping plate (9) is attached to the inner wall of the reaction kettle (1), the cooling liquid through holes (23) are aligned to the communicating groove (22) to form a passage.
4. The device for recycling the residual liquid of the trifluoromethylaniline kettle according to claim 2, wherein the abutting component comprises a torsion spring (15) sleeved outside the rotating pipeline (11), one end of the torsion spring (15) is fixed with the outer wall of the rotating pipeline (11), the other end of the torsion spring (15) is connected with the stirring blade (6) through an adjusting component, and the adjusting component is used for twisting the end part of the torsion spring (15).
5. The device for recycling the residual liquid of the trifluoromethylaniline kettle according to claim 4, wherein the adjusting component comprises a circular ring (16) connected to one end of a torsion spring (15) deviating from a rotating pipeline (11), a pair of circular rings (16) at the end of a stirring blade (6) are respectively sleeved at the end parts of a lower liquid outlet pipe (8) and an upper liquid inlet pipe (7), a rotating shaft (17) is rotatably connected in a notch (601) at the end part of the stirring blade (6) through a bearing, the upper end and the lower end of the rotating shaft (17) are respectively fixed with the two circular rings (16), a worm wheel (18) is fixed in the middle part of the rotating shaft (17), a worm (19) is rotatably connected to the inner wall of the notch (601) through the bearing, the worm (19) is in meshed connection with the worm wheel (18), and a knob (20) is fixed at the end part of the worm (19).
6. The device for recycling the residual liquid of the trifluoromethylaniline kettle according to claim 2, wherein the abutting component comprises a pushing plate (24) hinged to the outer wall of the scraping plate (9), one end of the pushing plate (24) deviating from the scraping plate (9) is hinged with a sliding block (25), the sliding block (25) is slidably connected with the outer wall of the stirring blade (6) through a sliding rail (26), the sliding block (25) is connected with a bolt (27) through a threaded hole in a threaded manner, and the end part of the bolt (27) is abutted to the outer wall of the stirring blade (6).
7. The device for recycling the residual liquid of the trifluoromethylaniline kettle according to claim 1, wherein the stirring shaft (4) is arranged in a hollow mode, an inner cavity of the stirring shaft (4) is opened upwards, an interlayer sleeve (401) is fixed at the center of the bottom surface of the inner cavity of the stirring shaft (4), and the inner cavity of the interlayer sleeve (401) is isolated from the inner cavity of the stirring shaft (4) through the side wall of the interlayer sleeve (401).
8. The trifluoromethyl aniline kettle residual liquid recycling device according to claim 7, wherein the top surface of the interlayer sleeve (401) is higher than the top surface of the stirring shaft (4), the top of the interlayer sleeve (401) is rotationally connected with the first feeding head (13) through the second sealing bearing, the top of the stirring shaft (4) is rotationally connected with the second feeding head through the third sealing bearing, the interlayer sleeve (401) and the second discharging head (14) are coaxially arranged, and the interlayer sleeve (401) and the second discharging head (14) are rotationally connected through the fourth sealing bearing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510381756.3A CN119869420B (en) | 2025-03-28 | 2025-03-28 | A trifluoromethylaniline kettle residual liquid resource utilization equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510381756.3A CN119869420B (en) | 2025-03-28 | 2025-03-28 | A trifluoromethylaniline kettle residual liquid resource utilization equipment |
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| CN119869420A true CN119869420A (en) | 2025-04-25 |
| CN119869420B CN119869420B (en) | 2025-07-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121155505A (en) * | 2025-11-20 | 2025-12-19 | 中科微分科技发展(北京)有限公司 | High-efficient reation kettle is used in preparation of silica gel matrix HPLC filler |
Citations (7)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN121155505A (en) * | 2025-11-20 | 2025-12-19 | 中科微分科技发展(北京)有限公司 | High-efficient reation kettle is used in preparation of silica gel matrix HPLC filler |
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| CN119869420B (en) | 2025-07-08 |
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Denomination of invention: A resource utilization equipment for trifluoromethyl aniline reactor residue trifluoromethyl aniline reactor residue resource utilization equipment Granted publication date: 20250708 Pledgee: Agricultural Bank of China Limited Dongzhi County Branch Pledgor: Anhui Xintai New Material Co.,Ltd. Registration number: Y2025980038100 |
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