Etherification reaction rectification device for isoflurane

Abstract

The invention discloses an etherification reaction rectification device for isoflurane, and relates to the technical field of isoflurane production devices.The etherification reaction rectification device comprises a feeding pipe, a layering plate, a cover plate, a plate block, a push column, a sliding box, a grid baffle and an elastic telescopic rod, the feeding pipe is fixedly installed at the top of a reaction tank, the layering plate is fixedly installed at the top of the feeding pipe, and the cover plate is fixedly installed at the top of the sliding box; the cover plate is slidably mounted at the top of the layering plate, the plate block is fixedly mounted at the top of the layering plate, the grid baffle is fixedly mounted at the bottom of the feeding pipe, the sliding box is fixedly mounted at the bottom of the layering plate, the push column is slidably mounted in the sliding box, and the fixed end of the elastic telescopic rod is fixedly mounted at the top of the grid baffle. The elastic telescopic rod moves forwards when the limiting is relieved, and the push rod is limited when the elastic telescopic rod moves, so that raw materials can be supplemented for the reaction at the lower part, and meanwhile, the raw materials at the upper part can be blocked.

Description

Technical Field

[0001] The invention relates to the technical field of isoflurane production equipment, in particular to an etherification reaction and distillation device for isoflurane. Background Art

[0002] The isoflurane etherification reaction distillation apparatus is a distillation apparatus for etherification of isoflurane, and is designed to perform distillation with minimal human intervention.

[0003] The patent with patent announcement number CN211585264U involves a reaction kettle including an etherification reaction, wherein the bottom valve of the reaction kettle is connected to an ice-salt water collecting device through a shunt heating device; the shunt heating device includes a hot water bath; an inlet pipe and an outlet pipe are respectively arranged on the inner side of the hot water bath; the top of the inlet pipe is sealed and connected to the bottom valve of the reaction kettle, and the bottom of the inlet pipe is sealed; the bottom of the outlet pipe is sealed and connected to a buffer bin on the inner side of the hot water bath; the bottom of the buffer bin is connected to a distillation tower through an external valve; a multi-layer arc-shaped thin-walled tube is sealed and connected between the inlet pipe and the outlet pipe; the etherification reaction distillation device for isoflurane of the patent, after the raw material completes the etherification reaction in the reaction kettle, the reaction liquid is directly shunt heated, and the heated reaction liquid is discharged in a closed fraction, so as to obtain a higher product yield.

[0004] In the above-mentioned patent, the etherification reaction distillation device for isoflurane of the patent, after the raw materials complete the etherification reaction in the reaction kettle, directly splits and heats the reaction liquid, and discharges the heated reaction liquid in a closed fraction, which can obtain a higher product yield. However, there are still problems. When the raw materials continue to flow into the reaction tank, the internal liquid may flow back to the top, and the reaction may be incomplete, and the pressure may be reduced to reduce the reaction efficiency. At the same time, when a large amount of raw materials enter, it may affect the subsequent process, and the internal reagents may flow back into the raw materials, resulting in a waste of reagents. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides an etherification reaction distillation device for isoflurane, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented by the following technical solutions: an etherification reaction distillation device for isoflurane, comprising a reaction tank, a motor is arranged on the top of the reaction tank, a discharge pipe is fixedly installed on the left side of the reaction tank, a feeding mechanism is arranged on the top of the reaction tank, a wall scraping mechanism is arranged inside the reaction tank, and a precipitation mechanism is arranged inside the discharge pipe; Wherein, the feeding mechanism includes a feeding pipe, a layered plate, a cover plate, a plate, a push column, a sliding box, a baffle plate and an elastic telescopic rod. The feeding pipe is fixedly installed on the top of the reaction tank, the layered plate is fixedly installed on the top of the feeding pipe, the cover plate is slidably installed on the top of the layered plate, the plate is fixedly installed on the top of the layered plate, the baffle plate is fixedly installed on the bottom of the feeding pipe, the sliding box is fixedly installed on the bottom of the layered plate, the push column is slidably installed in the sliding box, the fixed end of the elastic telescopic rod is fixedly installed on the top of the baffle plate, and a release groove is provided on one side of the free end of the elastic telescopic rod. When the push column moves, it will drive the cover plate to overcome the elastic force of the spring between the plate and the cover plate to move. When the cover plate moves, the hole on the layered plate will be blocked. When the push column moves, the limit on the elastic telescopic rod will be released.

[0007] According to the above technical solution, the feeding mechanism also includes a collision block, a connecting block, a bottom cover and a pressure column. One end of the collision block is fixedly installed on the free end of the elastic telescopic rod, one end of the connecting block is fixedly installed on the other end of the collision block, the bottom cover is fixedly installed on the other end of the connecting block, and the pressure column is fixedly installed on the bottom of the bottom cover. When the connecting block moves, it will drive the collision block to move. When the collision block moves, the free end of the elastic telescopic rod will retract, thereby releasing the limit on the push column.

[0008] According to the above technical solution, the push column is in contact with the cover plate, a No. 1 spring is arranged between the plate and the cover plate, the free end of the elastic telescopic rod is in contact with the impact block, and the elastic telescopic rod is in contact with the push column. When the push column moves away, the cover plate will return to its original position due to the elastic force of the No. 1 spring between the plate and the cover plate, and when the elastic telescopic rod moves, the push column will be limited.

[0009] According to the above technical scheme, the scraping mechanism includes a main shaft, a movable column, a movable ring, an elastic telescopic column, a scraping column, a pushing block, an indirect block, a supporting block and a clamping block, one end of the main shaft is fixedly mounted on the output end of the motor, and a No. 1 slide groove is provided on the circumferential surface of one end of the main shaft close to the motor, the movable column is slidably mounted in the No. 1 slide groove, the movable ring is slidably mounted on the circumferential surface of one end of the main shaft close to the movable column, the fixed end of the elastic telescopic column is fixedly mounted on the circumferential surface of the movable ring, one end of the scraping column is fixedly mounted on the free end of the elastic telescopic column, the pushing block is fixedly mounted on the other end of the scraping column, the indirect block is fixedly mounted on the top of the elastic telescopic column, the supporting block is fixedly mounted on the circumferential surface of the main shaft, and the clamping block is fixedly mounted on the top of the supporting block, when the elastic telescopic column moves, it will contact with the clamping block on the supporting block, when the elastic telescopic column contacts with the clamping block, the elastic telescopic column will approach the inner wall of the reaction tank, and when the elastic telescopic column moves, it will drive the scraping column to move.

[0010] According to the above technical solution, the scraping mechanism also includes a flip plate, a stirring column, a flip ring, a semicircular block and a force-bearing column. The stirring column is fixedly mounted on the circumferential surface of the end of the main shaft away from the motor, the force-bearing column is fixedly mounted on the top of the stirring column, the flip plate is slidably mounted on the inner wall of the reaction tank, the flip ring is fixedly mounted on the bottom of the flip plate, and the semicircular block is fixedly mounted on the top of the inner wall of the flip ring. When the stirring column moves, it will drive the force-bearing column to move, when the force-bearing column moves, it will drive the semicircular block to move, and when the semicircular block moves, it will drive the flip ring to move.

[0011] According to the above technical solution, the movable column contacts the push column, the pressure column contacts the movable column, the elastic telescopic column contacts the card block, and the indirect block contacts the movable column. When the movable column moves, it drives the push column and the pressure column to move, and when the movable column moves, it drives the indirect block to move.

[0012] According to the above technical solution, the sedimentation mechanism includes a round-head column, a fixed rod, a spiral rod, a screw hole column, a rotating scraper, a screen plate, a circular baffle, a ring box, a collecting box, an inclined block and an opening block. One end of the fixed rod is fixedly installed on the end of the discharge pipe close to the reaction tank, the round-head column is slidably installed on the other end of the fixed rod, the screen plate is fixedly installed inside the discharge pipe, the spiral rod is fixedly installed on the end of the round-head column close to the screen plate, the protrusion is fixedly installed on the side of the screen plate close to the reaction tank, the screw hole column is rotatably installed on the side of the screen plate close to the reaction tank, and the The rotating scraper is fixedly mounted on the side of the screw hole column close to the sieve plate, the annular baffle is slidably mounted on the inner wall of the discharge pipe, the inclined block is fixedly mounted on the side of the rotating scraper close to the reaction tank, the opening block is fixedly mounted on the inner wall of the annular baffle, the annular box is fixedly mounted on the circumferential surface of the discharge pipe, and the collecting box is fixedly mounted on the circumferential surface of the annular box. When the screw hole column rotates, it drives the rotating scraper to rotate and scrapes off the residue on the sieve plate. At the same time, it contacts the protrusion to generate vibration to prevent the residue from being blocked on the sieve plate. When the rotating scraper rotates, it drives the inclined block to move.

[0013] According to the above technical scheme, the sedimentation mechanism also includes a column rod, a triangular block, a limit rod, an elastic telescopic cover, a push rod, an elastic telescopic ring, a cylinder and a protrusion. The column rod is fixedly installed on the bottom of the outer wall of the circular baffle, and a No. 2 slide groove is provided on the side of the column rod close to the spiral rod. The triangular block is fixedly installed on the side of the column rod away from the spiral rod. The cylinder is slidably installed in the No. 2 slide groove, the fixed end of the elastic telescopic ring is fixedly installed on the inner wall of the annular box, the limit rod is slidably installed on the inner wall of the collection box, the fixed end of the elastic telescopic cover is fixedly installed on the top of the inner wall of the collection box, and the push rod is fixedly installed on the free end of the elastic telescopic cover. When the limit of the elastic telescopic cover is released, the elastic telescopic cover will block the collection box, and when the column rod moves again, it will drive the cylinder to move.

[0014] The present invention provides an etherification reaction distillation device for isoflurane, which has the following beneficial effects: (1) In the present invention, when the push column moves, it will drive the cover plate to move. When the cover plate moves, it will block the liquid to prevent the liquid from continuing to be input downward, and avoid the liquid below from intersecting with the transported liquid and causing backflow. When the push rod moves, the limit on the elastic telescopic rod will be released. When the limit on the elastic telescopic rod is released, it will move forward. When the elastic telescopic rod moves, it will limit the push rod, so that raw materials can be added to the reaction below, and at the same time, the raw materials above can be blocked.

[0015] (2) In the invention, when the semicircular block moves, it will drive the flip ring to move, and when the flip ring moves, it will drive the flip plate to move, and when the flip plate moves, it will flip the liquid below upward, making the reaction more complete and improving the reaction efficiency. When the moving column moves, it will drive the indirect block to move, and when the indirect block moves, it will drive the elastic telescopic column to move, and when the elastic telescopic column moves, it will contact the card block, causing the elastic telescopic column to move, and when the elastic telescopic column moves, it will drive the scraper column to move, which can effectively scrape off the reaction precipitate on the reaction tank to avoid the accumulation of precipitate and affect the subsequent reaction, and effectively avoid the incomplete reaction caused by the accumulation of precipitate.

[0016] (3) In the invention, when the spiral rod moves, it will drive the screw hole column to move, and when the screw hole column moves, it will drive the rotating scraper to move, and when the rotating scraper moves, it will contact with the protrusion to generate vibration, which can effectively scrape the residue on the screen plate to prevent the residue from clogging the screen plate and preventing the liquid from being discharged. When the column rod moves, it will drive the triangular block to move, and when the triangular block moves, it will drive the limit rod to move. When the limit rod moves, it will release the limit on the elastic telescopic cover. When the limit is released, the collection box below will be blocked to prevent all the liquid from flowing downward and causing damage and waste. At the same time, the sediment can also be removed to prevent the sediment from clogging in front of the screen plate and affecting the efficiency of liquid flowing out through the screen plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the reaction tank and cover plate structure of the present invention; Figure 3 It is a schematic diagram of the structure of the layered plate and the movable column of the present invention; Figure 4 This is a schematic diagram of the push block and the main shaft structure of the present invention; Figure 5 It is a schematic diagram of the main shaft and stirring column structure of the present invention; Figure 6 This is a schematic diagram of the push block and round head column structure of the present invention; Figure 7 It is a schematic diagram of the structure of the collecting box and the annular box of the present invention; Figure 8 It is a schematic diagram of the round head column and the sieve plate structure of the present invention; Fig. 9 It is a schematic diagram of the elastic telescopic ring and the cylindrical structure of the present invention.

[0018] In the figure: 1, reaction tank; 2, motor; 3, discharge pipe; 401, feed pipe; 402, layered plate; 403, cover plate; 404, plate; 405, push column; 406, sliding box; 407, baffle plate; 408, elastic telescopic rod; 409, impact block; 410, connecting block; 411, bottom cover; 412, pressure column; 501, main shaft; 502, moving column; 503, moving ring; 504, elastic telescopic column; 505, scraping column; 506, pushing block; 507, indirect block; 508, support block; 509, clamping block; 510 , flip plate; 511, stirring column; 512, flip ring; 513, semicircular block; 514, force-bearing column; 601, round head column; 602, fixing rod; 603, spiral rod; 604, screw hole column; 605, rotating scraper; 606, sieve plate; 607, circular baffle; 608, ring box; 609, collecting box; 610, inclined block; 611, opening block; 612, column rod; 613, triangular block; 614, limiting rod; 615, elastic telescopic cover; 616, push rod; 617, elastic telescopic ring; 618, cylinder; 619, protrusion. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 9 , one embodiment of the present invention is: an etherification reaction distillation device for isoflurane, comprising a reaction tank 1, a motor 2 is arranged on the top of the reaction tank 1, a discharge pipe 3 is fixedly installed on the left side of the reaction tank 1, and a feeding mechanism is arranged on the top of the reaction tank 1; The feeding mechanism includes a feeding pipe 401, a layered plate 402, a cover plate 403, a plate 404, a push column 405, a sliding box 406, a baffle plate 407 and an elastic telescopic rod 408. The feeding pipe 401 is fixedly mounted on the top of the reaction tank 1, the layered plate 402 is fixedly mounted on the top of the feeding pipe 401, the cover plate 403 is slidably mounted on the top of the layered plate 402, the plate 404 is fixedly mounted on the top of the layered plate 402, and the baffle plate 407 is fixedly mounted on the bottom of the feeding pipe 401. The sliding box 406 is fixedly installed at the bottom of the layered plate 402, the push column 405 is slidably installed in the sliding box 406, the fixed end of the elastic telescopic rod 408 is fixedly installed on the top of the baffle plate 407, and a release groove is provided on one side of the free end of the elastic telescopic rod 408. When the limit of the elastic telescopic rod 408 is released, it will move forward. When the elastic telescopic rod 408 moves, it will limit the push column 405, so that the raw materials of the reaction below can be supplemented, and the raw materials above can be blocked at the same time.

[0021] The feeding mechanism also includes an impact block 409, a connecting block 410, a bottom cover 411 and a pressure column 412. One end of the impact block 409 is fixedly installed on the free end of the elastic telescopic rod 408, one end of the connecting block 410 is fixedly installed on the other end of the impact block 409, the bottom cover 411 is fixedly installed on the other end of the connecting block 410, and the pressure column 412 is fixedly installed on the bottom of the bottom cover 411. When the connecting block 410 moves, it will drive the impact block 409 to move. When the impact block 409 moves, the free end of the elastic telescopic rod 408 will retract, thereby releasing the limit on the push column 405.

[0022] The push column 405 is in contact with the cover plate 403, a spring No. 1 is arranged between the plate 404 and the cover plate 403, the free end of the elastic telescopic rod 408 is in contact with the impact block 409, and the elastic telescopic rod 408 is in contact with the push column 405. When the push column 405 moves away, the cover plate 403 will return to its original position due to the elastic force of the spring No. 1 between the plate 404, and when the elastic telescopic rod 408 moves, the push column 405 will be limited.

[0023] When the present embodiment is working, when the raw material enters the feed pipe 401, the motor 2 is started, and the main shaft 501 rotates. When the main shaft 501 rotates, the moving column 502 is driven to move. When the moving column 502 moves, the push column 405 is driven to move in the sliding box 406. When the push column 405 moves, the cover plate 403 is driven to move by overcoming the elastic force of the spring between the plate 404. When the cover plate 403 moves, the hole on the layered plate 402 is blocked. When the push column 405 moves, the limit of the elastic telescopic rod 408 is released. When the limit of the elastic telescopic rod 408 is released, it moves toward the free end. When the moving column 502 moves away from the pressure column 412, the bottom cover 411 will bounce in the blocking direction, when the bottom cover 411 moves, it will drive the connecting block 410 to move, when the connecting block 410 moves, it will drive the impact block 409 to move, when the impact block 409 moves, the free end of the elastic telescopic rod 408 will retract, thereby releasing the limit on the pushing column 405.

[0024] See also Figure 1-Figure 9 On the basis of the above embodiment, in another embodiment of the present invention, a scraping mechanism is arranged inside the reaction tank 1, and a sedimentation mechanism is arranged inside the discharge pipe 3. The scraping mechanism includes a main shaft 501, a moving column 502, a moving ring 503, an elastic telescopic column 504, a scraping column 505, a pushing block 506, an indirect block 507, a supporting block 508 and a clamping block 509. One end of the main shaft 501 is fixedly mounted on the output end of the motor 2, and a No. 1 slide groove is provided on the circumferential surface of one end of the main shaft 501 close to the motor 2. The moving column 502 is slidably mounted in the No. 1 slide groove, and the moving ring 503 is slidably mounted on the circumferential surface of one end of the main shaft 501 close to the moving column 502. The fixed end of the column 504 is fixedly mounted on the circumferential surface of the movable ring 503, one end of the scraper column 505 is fixedly mounted on the free end of the elastic telescopic column 504, the pushing block 506 is fixedly mounted on the other end of the scraper column 505, the indirect block 507 is fixedly mounted on the top of the elastic telescopic column 504, the supporting block 508 is fixedly mounted on the circumferential surface of the main shaft 501, and the clamping block 509 is fixedly mounted on the top of the supporting block 508. When the elastic telescopic column 504 moves, the scraper column 505 will be driven to move, which can effectively scrape off the reaction precipitates on the reaction tank 1 to avoid the accumulation of precipitates and affect the subsequent reaction, and effectively avoid insufficient reaction caused by the accumulation of precipitates.

[0025] The scraping mechanism also includes a flip plate 510, a stirring column 511, a flip ring 512, a semicircular block 513 and a force column 514. The stirring column 511 is fixedly mounted on the circumferential surface of the end of the main shaft 501 away from the motor 2, the force column 514 is fixedly mounted on the top of the stirring column 511, the flip plate 510 is slidably mounted on the inner wall of the reaction tank 1, the flip ring 512 is fixedly mounted on the bottom of the flip plate 510, and the semicircular block 513 is fixedly mounted on the top of the inner wall of the flip ring 512. When the stirring column 511 moves, it will drive the force column 514 to move. When the force column 514 moves, it will drive the semicircular block 513 to move. When the semicircular block 513 moves, it will drive the flip ring 512 to move.

[0026] The movable column 502 contacts with the push column 405, the pressure column 412 contacts with the movable column 502, the elastic telescopic column 504 contacts with the block 509, and the indirect block 507 contacts with the movable column 502. When the movable column 502 moves, it will drive the push column 405 and the pressure column 412 to move, and when the movable column 502 moves, it will drive the indirect block 507 to move.

[0027] The sedimentation mechanism includes a round-head column 601, a fixed rod 602, a spiral rod 603, a screw hole column 604, a rotating scraper 605, a sieve plate 606, a circular baffle 607, an annular box 608, a collecting box 609, an inclined block 610 and an opening block 611. One end of the fixed rod 602 is fixedly installed on the end of the discharge pipe 3 close to the reaction tank 1, the round-head column 601 is slidably installed on the other end of the fixed rod 602, the sieve plate 606 is fixedly installed inside the discharge pipe 3, the spiral rod 603 is fixedly installed on the end of the round-head column 601 close to the sieve plate 606, the protrusion 619 is fixedly installed on the side of the sieve plate 606 close to the reaction tank 1, and the screw hole column 604 is rotatably installed on the side of the sieve plate 606 close to the reaction tank 1. The rotating scraper 605 is fixedly installed on the side of the screw hole column 604 close to the sieve plate 606, the annular baffle 607 is slidably installed on the inner wall of the discharge pipe 3, the inclined block 610 is fixedly installed on the side of the rotating scraper 605 close to the reaction tank 1, the opening block 611 is fixedly installed on the inner wall of the annular baffle 607, the annular box 608 is fixedly installed on the circumferential surface of the discharge pipe 3, and the collecting box 609 is fixedly installed on the circumferential surface of the annular box 608. When the limit is released, the collecting box 609 below will be blocked to prevent all the liquid from flowing downward and causing damage and waste. At the same time, the sediment can also be removed to avoid the sediment from clogging in front of the sieve plate 606 and affecting the efficiency of the liquid flowing out through the sieve plate 606.

[0028] The sedimentation mechanism also includes a column 612, a triangular block 613, a limit rod 614, an elastic telescopic cover 615, a push rod 616, an elastic telescopic ring 617, a cylinder 618 and a protrusion 619. The column 612 is fixedly installed at the bottom of the outer wall of the annular baffle 607. A second slide groove is provided on the side of the column 612 close to the spiral rod 603. The triangular block 613 is fixedly installed on the side of the column 612 away from the spiral rod 603. The cylinder 618 is slidably installed in the second slide groove. The elastic telescopic ring The fixed end of 617 is fixedly mounted on the inner wall of the annular box 608, the limiting rod 614 is slidably mounted on the inner wall of the collection box 609, the fixed end of the elastic telescopic cover 615 is fixedly mounted on the top of the inner wall of the collection box 609, and the push rod 616 is fixedly mounted on the free end of the elastic telescopic cover 615. When the limit of the elastic telescopic cover 615 is released, the elastic telescopic cover 615 will block the collection box 609, and when the column rod 612 moves again, it will drive the cylinder 618 to move.

[0029] When this embodiment is working, when the moving column 502 moves and contacts the pressure column 412, the indirect block 507 will move. When the indirect block 507 moves, the elastic telescopic column 504 on the moving ring 503 will move. When the elastic telescopic column 504 moves, it will contact the block 509 on the support block 508. When the elastic telescopic column 504 contacts the block 509, the elastic telescopic column 504 will move closer to the inner wall of the reaction tank 1. When the elastic telescopic column 504 moves, it will drive the scraper column 505 to move. When the scraper column 505 moves, the sediment on the inner wall of the reaction tank 1 will be scraped off. When the main shaft 501 rotates, it will drive the stirring column 511 to rotate. When the stirring column 511 moves, it will drive the force column 514 to move. When the force column 514 moves, it will drive the semicircular block 513 to move. When the semicircular block 513 moves, it will drive the flip ring 512 to move. When the flip ring 512 moves, it will drive the flip plate 510 to move. When the flip plate 510 moves, the liquid at the bottom will flip upwards.

[0030] The reacted liquid enters the discharge pipe 3. When the scraper column 505 moves, it drives the push block 506 to move. When the push block 506 moves, it drives the round head column 601 to slide on the fixed rod 602. When the round head column 601 moves, it drives the screw rod 603 to move. When the screw rod 603 moves, it drives the screw hole column 604 to rotate. When the screw hole column 604 rotates, it drives the rotating scraper 605 to rotate, and the residue on the screen plate 606 is scraped off. At the same time, it contacts with the protrusion 619 to generate vibration to prevent the residue from being blocked on the screen plate 606. When the rotating scraper 605 rotates, it drives the inclined block 610 to move. When the inclined block 610 moves, it drives the opening block 611 to move. When the opening block 611 moves, it drives the annular baffle 6 07 moves, when the annular baffle 607 moves, the dirt will fall into the annular box 608, when the annular baffle 607 moves, it will drive the column 612 to move, when the column 612 moves, it will drive the triangular block 613 to move, when the triangular block 613 moves, it will drive the limiting rod 614 to move, when the limiting rod 614 moves, the limiting of the elastic telescopic cover 615 will be released, when the limiting of the elastic telescopic cover 615 is released, the elastic telescopic cover 615 will block the collection box 609, when the column 612 moves again, it will drive the cylinder 618 to move, when the cylinder 618 moves, it will drive the push rod 616 to move, when the cylinder 618 moves, it will move in the elastic telescopic ring 617.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An etherification reaction and distillation device for isoflurane, comprising a reaction tank (1), characterized in that: A motor (2) is arranged on the top of the reaction tank (1), a discharge pipe (3) is fixedly installed on the left side of the reaction tank (1), a feeding mechanism is arranged on the top of the reaction tank (1), a wall scraping mechanism is arranged inside the reaction tank (1), and a sedimentation mechanism is arranged inside the discharge pipe (3); The feeding mechanism comprises a feeding pipe (401), a layered plate (402), a cover plate (403), a plate (404), a push column (405), a sliding box (406), a baffle plate (407) and an elastic telescopic rod (408); the feeding pipe (401) is fixedly mounted on the top of the reaction tank (1); the layered plate (402) is fixedly mounted on the top of the feeding pipe (401); the cover plate (403) is slidably mounted on the top of the layered plate (402); The plate (404) is fixedly mounted on the top of the layered plate (402), the baffle plate (407) is fixedly mounted on the bottom of the feed pipe (401), the sliding box (406) is fixedly mounted on the bottom of the layered plate (402), the push column (405) is slidably mounted in the sliding box (406), the fixed end of the elastic telescopic rod (408) is fixedly mounted on the top of the baffle plate (407), and a release groove is provided on one side of the free end of the elastic telescopic rod (408).

2. The etherification reaction and distillation device for isoflurane according to claim 1, characterized in that: The feeding mechanism further comprises an impact block (409), a connecting block (410), a bottom cover (411) and a pressure column (412); one end of the impact block (409) is fixedly mounted on the free end of the elastic telescopic rod (408); one end of the connecting block (410) is fixedly mounted on the other end of the impact block (409); the bottom cover (411) is fixedly mounted on the other end of the connecting block (410); and the pressure column (412) is fixedly mounted on the bottom of the bottom cover (411).

3. The etherification reaction and distillation device for isoflurane according to claim 2, characterized in that: The push column (405) is in contact with the cover plate (403), a spring No. 1 is provided between the plate (404) and the cover plate (403), a free end of the elastic telescopic rod (408) is in contact with the impact block (409), and the elastic telescopic rod (408) is in contact with the push column (405).

4. The etherification reaction and distillation device for isoflurane according to claim 3, characterized in that: The wall scraping mechanism comprises a main shaft (501), a moving column (502), a moving ring (503), an elastic telescopic column (504), a scraping column (505), a pushing block (506), an indirect block (507), a supporting block (508) and a clamping block (509); one end of the main shaft (501) is fixedly mounted on the output end of the motor (2); a first slide groove is provided on the circumferential surface of one end of the main shaft (501) close to the motor (2); the moving column (502) is slidably mounted in the first slide groove; the moving ring (503) is slidably mounted on the main shaft (501) close to the moving column (502); and the moving ring (503) is slidably mounted on the main shaft (501) close to the moving column (502). The movable column (502) is mounted on the circumferential surface of one end of the movable column (502); the fixed end of the elastic telescopic column (504) is fixedly mounted on the circumferential surface of the movable ring (503); one end of the scraping column (505) is fixedly mounted on the free end of the elastic telescopic column (504); the pushing block (506) is fixedly mounted on the other end of the scraping column (505); the indirect block (507) is fixedly mounted on the top of the elastic telescopic column (504); the supporting block (508) is fixedly mounted on the circumferential surface of the main shaft (501); and the clamping block (509) is fixedly mounted on the top of the supporting block (508).

5. The etherification reaction and distillation device for isoflurane according to claim 4, characterized in that: The wall scraping mechanism further comprises a flap plate (510), a stirring column (511), a flap ring (512), a semicircular block (513) and a force-bearing column (514); the stirring column (511) is fixedly mounted on the circumferential surface of an end of the main shaft (501) away from the motor (2); the force-bearing column (514) is fixedly mounted on the top of the stirring column (511); the flap plate (510) is slidably mounted on the inner wall of the reaction tank (1); the flap ring (512) is fixedly mounted on the bottom of the flap plate (510); and the semicircular block (513) is fixedly mounted on the top of the inner wall of the flap ring (512).

6. The etherification reaction and distillation device for isoflurane according to claim 5, characterized in that: The movable column (502) contacts the push column (405), the pressure column (412) contacts the movable column (502), the elastic telescopic column (504) contacts the clamping block (509), and the indirect block (507) contacts the movable column (502).

7. The etherification reaction and distillation device for isoflurane according to claim 6, characterized in that: The sedimentation mechanism comprises a round-head column (601), a fixed rod (602), a spiral rod (603), a screw hole column (604), a rotating scraper (605), a sieve plate (606), a circular baffle (607), an annular box (608), a collecting box (609), an inclined block (610) and an opening block (611), one end of the fixed rod (602) is fixedly mounted on an end of the discharge pipe (3) close to the reaction tank (1), the round-head column (601) is slidably mounted on the other end of the fixed rod (602), the sieve plate (606) is fixedly mounted inside the discharge pipe (3), the spiral rod (603) is fixedly mounted on an end of the round-head column (601) close to the sieve plate (606), and the protrusion (619) The screw hole column (604) is fixedly mounted on one side of the sieve plate (606) close to the reaction tank (1); the screw hole column (604) is rotatably mounted on one side of the sieve plate (606) close to the reaction tank (1); the rotating scraper (605) is fixedly mounted on one side of the screw hole column (604) close to the sieve plate (606); the annular baffle (607) is slidably mounted on the inner wall of the discharge pipe (3); the inclined block (610) is fixedly mounted on one side of the rotating scraper (605) close to the reaction tank (1); the opening block (611) is fixedly mounted on the inner wall of the annular baffle (607); the annular box (608) is fixedly mounted on the circumferential surface of the discharge pipe (3); and the collecting box (609) is fixedly mounted on the circumferential surface of the annular box (608).

8. The etherification reaction and distillation device for isoflurane according to claim 7, characterized in that: The sedimentation mechanism further comprises a column (612), a triangular block (613), a limiting rod (614), an elastic telescopic cover (615), a push rod (616), an elastic telescopic ring (617), a cylinder (618) and a protrusion (619); the column (612) is fixedly mounted on the bottom of the outer wall of the annular baffle (607); a second slide groove is provided on a side of the column (612) close to the spiral rod (603); the triangular block (613) is fixedly mounted on the column (61 2) on a side away from the spiral rod (603), the cylinder (618) is slidably mounted in the second slide groove, the fixed end of the elastic telescopic ring (617) is fixedly mounted on the inner wall of the annular box (608), the limit rod (614) is slidably mounted on the inner wall of the collection box (609), the fixed end of the elastic telescopic cover (615) is fixedly mounted on the top of the inner wall of the collection box (609), and the push rod (616) is fixedly mounted on the free end of the elastic telescopic cover (615).

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