CN116920459A - Purification device of 2-mercaptobenzothiazole crude product - Google Patents
Purification device of 2-mercaptobenzothiazole crude product Download PDFInfo
- Publication number
- CN116920459A CN116920459A CN202311191563.9A CN202311191563A CN116920459A CN 116920459 A CN116920459 A CN 116920459A CN 202311191563 A CN202311191563 A CN 202311191563A CN 116920459 A CN116920459 A CN 116920459A
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- China
- Prior art keywords
- fixedly connected
- sides
- mercaptobenzothiazole
- adsorption
- purification device
- Prior art date
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- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 238000000746 purification Methods 0.000 title claims abstract description 29
- 239000012043 crude product Substances 0.000 title claims abstract description 23
- 238000001179 sorption measurement Methods 0.000 claims abstract description 45
- 238000003860 storage Methods 0.000 claims abstract description 24
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 10
- 241001330002 Bambuseae Species 0.000 claims abstract description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 10
- 239000011425 bamboo Substances 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000000151 deposition Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 39
- 238000004821 distillation Methods 0.000 claims description 16
- 239000000047 product Substances 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 13
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- BFCFYVKQTRLZHA-UHFFFAOYSA-N 1-chloro-2-nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1Cl BFCFYVKQTRLZHA-UHFFFAOYSA-N 0.000 description 1
- FCSHMCFRCYZTRQ-UHFFFAOYSA-N N,N'-diphenylthiourea Chemical compound C=1C=CC=CC=1NC(=S)NC1=CC=CC=C1 FCSHMCFRCYZTRQ-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- HYHCSLBZRBJJCH-UHFFFAOYSA-M sodium hydrosulfide Chemical compound [Na+].[SH-] HYHCSLBZRBJJCH-UHFFFAOYSA-M 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
- C07D277/62—Benzothiazoles
- C07D277/68—Benzothiazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
- C07D277/70—Sulfur atoms
- C07D277/72—2-Mercaptobenzothiazole
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
- B01D15/14—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the introduction of the feed to the apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/10—Vacuum distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a purification device of a 2-mercaptobenzothiazole crude product, belonging to the technical field of chemical purification, comprising the following components: the base, the equal fixed mounting in top both sides of base has the backup pad, one side top fixedly connected with agitator that two backup pads are close to each other, the bottom of agitator rotates and is connected with the (mixing) shaft, the bottom fixedly connected with connecting cylinder of (mixing) shaft, the bottom fixedly connected with riser of connecting cylinder, the bottom fixedly connected with support of riser, the both sides of support all articulate there is an adsorption cylinder, be provided with the storage net section of thick bamboo that is used for depositing the big adsorption resin in the adsorption cylinder, and the front and back both sides top of adsorption cylinder all rotates and is connected with the arc even board, two counter weight boards have been cup jointed in the outside slip of support. According to the invention, the adsorption cylinder and the net cylinder provided with the perforated adsorption resin are driven by the stepping motor to rotate reciprocally, so that the adsorption resin can repeatedly adsorb impurities in the 2-mercaptobenzothiazole, the utilization rate of the adsorption resin is improved, and the adsorption purification effect is improved.
Description
Technical Field
The invention relates to the technical field of chemical purification, in particular to a purification device for a 2-mercaptobenzothiazole crude product.
Background
M (2-mercaptobenzothiazole) is mainly used as a vulcanization accelerator (accelerator M) of rubber and also used as a pesticide bactericide, namely a hydrogen sulfur agent or an M agent. Can be synthesized from aniline, carbon disulfide and sulfur, or carbon disulfide and diphenyl thiourea, or o-nitrochlorobenzene, sodium hydrosulfide and carbon disulfide. The crude product M is prepared by directly reacting aniline, carbon disulfide and sulfur as raw materials under high pressure. The crude product M produced by the method has the purity of about 85 percent, and most of impurities are resins, so that the crude product M must be refined to improve the purity.
The acid-base method adopted at present is to prepare 2-mercaptobenzothiazole refined products by neutralizing, acid-washing, water-washing, drying and crushing crude products, but the process is complex, the condition control is severe, the cost is high, the repeated adsorption cannot be carried out in a purification mode of resin adsorption, and the utilization rate of the adsorption resin is not high enough; therefore, we propose a purification device for crude 2-mercaptobenzothiazole product to solve the problem.
Disclosure of Invention
The invention aims to provide a device for purifying a crude product of 2-mercaptobenzothiazole, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a purification device for a crude product of 2-mercaptobenzothiazole, comprising: the base, the equal fixed mounting in top both sides of base has the backup pad, two one side top fixedly connected with agitator that the backup pad is close to each other, the bottom of agitator rotates and is connected with the (mixing) shaft, the bottom fixedly connected with connecting cylinder of (mixing) shaft, the bottom fixedly connected with riser of connecting cylinder, the bottom fixedly connected with support of riser, the both sides of support all articulate there is an adsorption cylinder, be provided with the storage net section of thick bamboo that is used for depositing the amplifying adsorption resin in the adsorption cylinder, just the equal rotation in front and back both sides top of adsorption cylinder is connected with the arc and links the board, two counter weight boards have been cup jointed in the outside slip of support, four the arc links the board to rotate with the counter weight board that corresponds respectively and is connected.
Preferably, both sides of the bottom of the connecting cylinder are respectively communicated with a communication hose, the bottom ends of the two communication hoses are respectively communicated with the top of the corresponding adsorption cylinder, the bottom of the adsorption cylinder is communicated with a discharge pipe, and a control valve is fixedly installed on the discharge pipe.
Preferably, the bottom of agitator has annular seat through bolt fixed mounting, annular seat with the top movable seal butt of connecting cylinder, just the top of connecting cylinder with the through-hole has all been seted up at the bottom edge of agitator, inside fixed mounting has the filter screen in the annular seat, fixed mounting has annular baffle in the filter screen, annular baffle fixed connection is in the bottom of agitator.
Preferably, the rotary shaft is rotatably mounted in the connecting cylinder, a plurality of stirring blades are fixedly mounted on the outer side of the rotary shaft, a baffle is fixedly connected to the top end of the rotary shaft and movably abutted to the inner wall of the bottom of the stirring barrel, a gear is fixedly connected to the bottom end of the rotary shaft, racks are fixedly mounted on the top of the counterweight plate, and the two gears are meshed with the corresponding racks respectively.
Preferably, a plurality of stirring paddles are fixedly arranged on the outer side of the stirring shaft, a stepping motor and two feeding pipes are fixedly arranged on the top of the stirring barrel, and an output shaft of the stepping motor is fixedly connected with the top end of the stirring shaft.
Preferably, two one sides of the counterweight plates, which are far away from each other, are fixedly connected with reset springs, one ends of the counterweight plates, which are far away from each other, are fixedly connected with guide plates, two guide plates are fixedly connected to two sides of the vertical plates, and the two counterweight plates are respectively and slidably sleeved on the outer sides of the corresponding guide plates.
Preferably, the top of base is provided with the storage disc, and the slide hole has all been seted up to the top both sides of base, slide is installed in the slide hole sliding, the top fixedly connected with cardboard of slide, the draw-in groove has all been seted up to the both sides of storage disc, two the cardboard respectively movable joint in the draw-in groove that corresponds, just the bottom fixedly connected with round bar of slide, the connecting rod has been cup jointed in the outside rotation of round bar, the carousel is installed in the bottom rotation of base, the connecting rod rotates and connects the bottom of carousel, one of them one side fixedly connected with pull ring of cardboard, and two the one side that the slide kept away from each other is equal fixedly connected with pressure spring, two the one end that the pressure spring kept away from each other is respectively with the backup pad fixed connection that corresponds, fixedly connected with same horizontal pole on the both sides inner wall of slide hole, two the slide cup joints respectively in the outside of corresponding horizontal pole, just the equal fixedly mounted locating plate in top both sides of base, the storage disc movably cup joints in the outside of two the locating plate.
Preferably, the outside of connecting cylinder has fixedly cup jointed circular orbit, the arc track groove has been seted up to the front side of backup pad, circular orbit sliding connection is in two in the arc track groove.
Preferably, the distillation device further comprises a distillation tank and a drying tank, wherein a first communicating pipe is communicated between the storage disc and the distillation tank, a second communicating pipe is communicated between the distillation tank and the drying tank, and a temperature control mechanism and a pressure regulating mechanism are arranged in the distillation tank.
The invention has the beneficial effects that:
according to the purification device of the 2-mercaptobenzothiazole crude product, the stirring shaft, the connecting cylinder and the bracket are driven to rotate in a reciprocating manner by the stepping motor, and the adsorption cylinder and the placement net cylinder with the perforated adsorption resin are driven to rotate in a reciprocating manner under the action of the counterweight plate, so that the adsorption resin repeatedly adsorbs impurities in the 2-mercaptobenzothiazole, the utilization rate of the adsorption resin is improved, and the adsorption effect is improved;
according to the purification device of the 2-mercaptobenzothiazole crude product, the stirring shaft and the stirring paddle are driven to intermittently rotate and simultaneously the stirring blade is driven to reciprocally rotate, so that the mixing rate of the 2-mercaptobenzothiazole crude product and the organic solvent is improved;
according to the purification device of the 2-mercaptobenzothiazole crude product, the counterweight plate is matched with the gear, the rack and the rotating shaft to drive the baffle to rotate in a reciprocating manner, so that the intermittent opening of the through hole at the bottom of the stirring barrel can be controlled, the intermittent feeding of the adsorption barrel can be realized, and the adsorption effect is prevented from being influenced by excessive solution;
according to the purification device of the 2-mercaptobenzothiazole crude product, disclosed by the invention, the storage disc is conveniently fixed and fixed through the mutual coordination among the clamping plate, the sliding plate, the positioning plate, the connecting rod, the round rod and the rotating disc, so that the adsorbed 2-mercaptobenzothiazole solution is conveniently distilled and purified, and the fixation of the storage disc is conveniently released to facilitate cleaning.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of a purification device for a crude 2-mercaptobenzothiazole product;
FIG. 2 is a schematic cross-sectional structure of a purification device for crude 2-mercaptobenzothiazole product according to the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is an enlarged view of a portion B of FIG. 2;
FIG. 5 is a schematic view of another perspective view of a purification apparatus for crude 2-mercaptobenzothiazole product according to the present invention;
FIG. 6 is a schematic diagram of a partial perspective structure of a purification device for a crude 2-mercaptobenzothiazole product according to the present invention;
fig. 7 is a schematic perspective view of a filter screen, an annular partition plate and an annular seat according to the present invention.
In the figure: 1. a base; 2. a stirring barrel; 3. a connecting cylinder; 4. an adsorption cylinder; 5. storing the net drum; 6. a support plate; 7. a weight plate; 8. a riser; 9. a bracket; 10. a turntable; 11. a storage tray; 12. an endless track; 13. a connecting rod; 14. a round bar; 15. a slide plate; 16. a gear; 17. a rack; 18. a rotating shaft; 19. a baffle; 20. stirring the leaves; 21. a communication hose; 22. arc connecting plates; 23. a return spring; 24. a guide plate; 25. a pressure spring; 26. a filter screen; 27. an annular partition plate; 28. an annular seat; 29. a discharge pipe; 30. a control valve; 31. a positioning plate; 32. a pull ring; 33. a clamping plate; 34. a stepping motor; 35. a stirring shaft; 36. stirring paddles; 37. and (5) feeding a pipe.
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 7, a purification apparatus for a crude 2-mercaptobenzothiazole product, comprising: the base 1, the equal fixed mounting in top both sides of base 1 has backup pad 6, one side top fixedly connected with agitator 2 that two backup pads 6 are close to each other, the bottom of agitator 2 rotates and is connected with (mixing) shaft 35, the bottom fixedly connected with connecting cylinder 3 of (mixing) shaft 35, the bottom fixedly connected with riser 8 of connecting cylinder 3, the bottom fixedly connected with support 9 of riser 8, the both sides of support 9 all articulate and have an absorption section of thick bamboo 4, be provided with the storage net section of thick bamboo 5 that is used for depositing amplifying adsorption resin in the absorption section of thick bamboo 4, and the equal rotation in front and back both sides top of absorption section of thick bamboo 4 is connected with arc link plate 22, two counter weight plates 7 have been cup jointed in the outside slip of support 9, four arc link plates 22 rotate with corresponding counter weight plate 7 respectively and are connected.
In this embodiment, both sides of the bottom of the connecting tube 3 are respectively connected with a connecting hose 21, the bottom ends of the two connecting hoses 21 are respectively connected with the top of the corresponding adsorbing tube 4, the bottom of the adsorbing tube 4 is connected with a discharging tube 29, and a control valve 30 is fixedly installed on the discharging tube 29.
In this embodiment, the bottom of agitator 2 is through bolt fixed mounting having annular seat 28, and annular seat 28 and the top movable seal butt of connecting cylinder 3, and the through-hole has all been seted up to the top of connecting cylinder 3 and the bottom edge of agitator 2, and inside fixed mounting has filter screen 26 in the annular seat 28, and fixed mounting has annular baffle 27 in the filter screen 26, and annular baffle 27 fixed connection is in the bottom of agitator 2.
In this embodiment, a rotating shaft 18 is rotatably installed in the connecting cylinder 3, a plurality of stirring blades 20 are fixedly installed on the outer side of the rotating shaft 18, a baffle 19 is fixedly connected to the top end of the rotating shaft 18, the baffle 19 is movably abutted to the inner wall of the bottom of the stirring barrel 2, a gear 16 is fixedly connected to the bottom end of the rotating shaft 18, a rack 17 is fixedly installed on the top of the counterweight plate 7, and the two gears 16 are respectively meshed with the corresponding racks 17.
In this embodiment, a plurality of stirring paddles 36 are fixedly installed on the outer side of the stirring shaft 35, a stepping motor 34 and two feeding pipes 37 are fixedly installed on the top of the stirring barrel 2, and an output shaft of the stepping motor 34 is fixedly connected with the top end of the stirring shaft 35, so that intermittent rotation of the stirring shaft 35 is conveniently controlled.
In this embodiment, two weight plates 7 are all fixedly connected with reset spring 23 on one side that keeps away from each other, and reset spring 23 keeps away from weight plate 7's one end and support 9 fixed connection to reset weight plate 7, the equal fixedly connected with deflector 24 in both sides of riser 8, two weight plates 7 slip respectively cup joint in the outside of corresponding deflector 24, thereby lead weight plate 7.
In this embodiment, the top of base 1 is provided with storage dish 11, and the slide hole has all been seted up to the top both sides of base 1, slide 15 has been installed in the slide hole in the slide, slide 15's top fixedly connected with cardboard 33, the draw-in groove has all been seted up to the both sides of storage dish 11, two cardboard 33 movable joint respectively in the draw-in groove that corresponds, and slide 15's bottom fixedly connected with round bar 14, connecting rod 13 has been cup jointed in the outside rotation of round bar 14, carousel 10 is installed in the bottom rotation of base 1, connecting rod 13 rotates the bottom of connection at carousel 10, one side fixedly connected with pull ring 32 of one cardboard 33, and two slide 15 all fixedly connected with pressure spring 25 of one side that keeps away from each other, two pressure spring 25 one end that keeps away from each other respectively with corresponding backup pad 6 fixed connection, fixedly connected with same horizontal pole on the both sides inner wall of slide hole, two slide 15 slide cup joints the outside at corresponding horizontal pole respectively, and the equal fixed mounting of top both sides of base 1 has locating plate 31, storage dish 11 activity cup joints the outside at two locating plate 31, thereby conveniently collect the solution that the absorption is accomplished, and conveniently collect and dismantle storage dish 11.
In this embodiment, the outer side of the connecting cylinder 3 is fixedly sleeved with an annular rail 12, the front side of the supporting plate 6 is provided with an arc-shaped rail groove, and the annular rail 12 is slidably connected in the two arc-shaped rail grooves, so that the rotation of the connecting cylinder 3 is positioned.
In this embodiment, the distillation apparatus further includes a distillation tank 38 and a drying tank 39, a first communication pipe is connected between the storage tray 11 and the distillation tank 38, a second communication pipe is connected between the distillation tank 38 and the drying tank 39, and a temperature control mechanism and a pressure regulating mechanism are disposed in the distillation tank 38.
In this embodiment, when in use, the perforated adsorption resin is filled into the storage net drum 5 in advance, the crude 2-mercaptobenzothiazole and the organic solvent are added into the stirring barrel 2 from the two feeding pipes 37, then the stepping motor 34 is started to drive the stirring shaft 35 to intermittently rotate, the stirring paddle 36 intermittently stirs and mixes the crude 2-mercaptobenzothiazole and the organic solvent, the mixed solution enters the annular seat 28 after being filtered by the filter screen 26, meanwhile, the stirring shaft 35 rotates and simultaneously drives the connecting drum 3, the vertical plate 8 and the bracket 9 to rotate, and drives the two weight plates 7 to perform circular motion, the two weight plates 7 are mutually far away under the action of centrifugal force and compress the reset spring 23, and the weight plates 7 can drive the racks 17 to synchronously move in the transverse movement process, meanwhile, the weight plates 7 can drive the adsorption drum 4 to rotate through the arc-shaped connecting plate 22, the adsorption drum 4 inclines ninety degrees, the racks 17 drive the rotating shaft 18 to rotate through the meshing with the gear 16, and the rotating shaft 18 drives the baffle 19 to rotate, so that the solution in the annular seat 28 enters the connecting drum 3 through the through hole, and simultaneously drives the rotating shaft 18 to rotate the rotating shaft 20 to further enter the stirring drum 20, and the solution is connected with the rotating drum 20 in the process;
after the stepping motor 34 stops driving the stirring shaft 35 to rotate, the connecting cylinder 3 stops rotating, the centrifugal force of the weight plate 7 disappears, so that the baffle plate 19 and the adsorption cylinder 4 are driven to reset under the action of the reset spring 23, after the adsorption cylinder 4 is restored to the vertical state, the solution of the 2-mercaptobenzothiazole crude product and the organic solvent flows through the placing net cylinder, so that impurities in the solution are adsorbed through the perforated adsorption resin stored in the placing net cylinder, the through holes are blocked after the baffle plate 19 resets, and the continuous circulation of the solution is blocked;
when the stirring shaft 35 is driven to rotate again by the stepping motor 34, the adsorption cylinder 4 is driven to turn over again under the action of the weight plate 7, and the solution in the adsorption cylinder 4 reversely flows through the placing net cylinder under the action of centrifugal force, so that the adsorption resin is adsorbed again through punching holes in the adsorption cylinder;
in summary, the intermittent driving of the stepping motor 34 drives the solution of the crude 2-mercaptobenzothiazole product and the organic solvent to repeatedly flow through the adsorption resin for adsorption, so that the adsorption resin is repeatedly utilized;
after the adsorption is finished, the control valve 30 is opened to enable the solution in the adsorption cylinder 4 to flow into the storage disc 11, the storage disc 11 is collected by starting the positioning plate 31, the solution is guided into the distillation tank 38 through the first flow pipe, reduced pressure distillation treatment is carried out under the conditions of 30 ℃ and minus 0.09Mpa, and then the solution is guided into the drying tank 39 for drying treatment, so that the high-purity 2-mercaptobenzothiazole is obtained;
the clamping plates 33 on the right side of the pull ring 32 are pulled to move rightward, the turntable 10 is driven to rotate through the sliding plate 15, the round rod 14 and the connecting rod 13 on the right side, and the turntable 10 drives the clamping plates 33 on the left side to move leftward through the cooperation of the round rod 14, the connecting rod 13 and the sliding plate 15 on the left side, so that the two clamping plates 33 move from corresponding clamping grooves, and the storage disc 11 is conveniently taken down for cleaning.
The invention provides a purification device for a crude 2-mercaptobenzothiazole product. The principles and embodiments of the present invention have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present invention and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (9)
1. A purification apparatus for a crude 2-mercaptobenzothiazole product, comprising: base (1), equal fixed mounting in top both sides of base (1) has backup pad (6), two one side top fixedly connected with agitator (2) that backup pad (6) are close to each other, the bottom of agitator (2) rotates and is connected with (mixing) shaft (35), the bottom fixedly connected with connecting cylinder (3) of (mixing) shaft (35), the bottom fixedly connected with riser (8) of connecting cylinder (3), the bottom fixedly connected with support (9) of riser (8), the both sides of support (9) all articulate have absorption section of thick bamboo (4), be provided with in absorption section of thick bamboo (4) and be used for depositing amplifying adsorption resin's storage net section of thick bamboo (5), just the equal rotation in front and back both sides top of absorption section of thick bamboo (4) is connected with arc link board (22), the outside of support (9) has slided and has cup jointed two counter weight boards (7), four arc link board (22) rotate with corresponding counter weight board (7) respectively and are connected.
2. The purification device of the 2-mercaptobenzothiazole crude product according to claim 1, wherein two sides of the bottom of the connecting cylinder (3) are respectively communicated with a communication hose (21), the bottom ends of the two communication hoses (21) are respectively communicated with the tops of the corresponding adsorption cylinders (4), the bottom of the adsorption cylinder (4) is communicated with a discharge pipe (29), and a control valve (30) is fixedly arranged on the discharge pipe (29).
3. The purification device of a 2-mercaptobenzothiazole crude product according to claim 1, characterized in that an annular seat (28) is fixedly mounted at the bottom of the stirring barrel (2) through bolts, the annular seat (28) is movably and tightly abutted to the top of the connecting barrel (3), through holes are formed in the top of the connecting barrel (3) and the bottom edge of the stirring barrel (2), a filter screen (26) is fixedly mounted in the annular seat (28), an annular partition plate (27) is fixedly mounted in the filter screen (26), and the annular partition plate (27) is fixedly connected to the bottom of the stirring barrel (2).
4. The purification device of the 2-mercaptobenzothiazole crude product according to claim 1, characterized in that a rotating shaft (18) is rotatably installed in the connecting cylinder (3), a plurality of stirring blades (20) are fixedly installed on the outer side of the rotating shaft (18), a baffle plate (19) is fixedly connected to the top end of the rotating shaft (18), the baffle plate (19) is movably abutted to the inner wall of the bottom of the stirring cylinder (2), a gear (16) is fixedly connected to the bottom end of the rotating shaft (18), racks (17) are fixedly installed on the top of the counterweight plate (7), and the two gears (16) are respectively meshed with the corresponding racks (17).
5. The purification device of the 2-mercaptobenzothiazole crude product according to claim 1, characterized in that a plurality of stirring paddles (36) are fixedly arranged on the outer side of the stirring shaft (35), a stepping motor (34) and two feeding pipes (37) are fixedly arranged on the top of the stirring barrel (2), and an output shaft of the stepping motor (34) is fixedly connected with the top end of the stirring shaft (35).
6. The purification device of a 2-mercaptobenzothiazole crude product according to claim 1, characterized in that one sides of two weight plates (7) far away from each other are fixedly connected with a reset spring (23), one end of the reset spring (23) far away from the weight plates (7) is fixedly connected with a bracket (9), two sides of a vertical plate (8) are fixedly connected with guide plates (24), and the two weight plates (7) are respectively sleeved on the outer sides of the corresponding guide plates (24) in a sliding manner.
7. The purification device of a 2-mercaptobenzothiazole crude product according to claim 1, wherein the top of the base (1) is provided with a storage disc (11), sliding holes are formed in two sides of the top of the base (1), a sliding plate (15) is slidably arranged in the sliding holes, clamping plates (33) are fixedly connected to the tops of the sliding plates (15), clamping grooves are formed in two sides of the storage disc (11), two clamping plates (33) are movably clamped in corresponding clamping grooves respectively, the bottom of the sliding plate (15) is fixedly connected with a round rod (14), a connecting rod (13) is rotatably sleeved on the outer side of the round rod (14), a turntable (10) is rotatably mounted at the bottom of the base (1), one side of each clamping plate (33) is fixedly connected with a pull ring (32), one side of each sliding plate (15) is fixedly connected with a pressure spring (25), one end of each pressure spring (25) is mutually far away from the corresponding supporting plate (6), two corresponding cross rods (31) are fixedly connected to the two sides of the same sliding plate (1), two cross rods (31) are fixedly connected to the two sides of the base (1), the storage disc (11) is movably sleeved on the outer sides of the two positioning plates (31).
8. The purification device of the 2-mercaptobenzothiazole crude product according to claim 1, wherein an annular rail (12) is fixedly sleeved on the outer side of the connecting cylinder (3), an arc-shaped rail groove is formed in the front side of the supporting plate (6), and the annular rail (12) is slidably connected in the two arc-shaped rail grooves.
9. The purification device of a crude 2-mercaptobenzothiazole product according to claim 7, further comprising a distillation tank (38) and a drying tank (39), wherein a first communicating pipe is communicated between the storage tray (11) and the distillation tank (38), a second communicating pipe is communicated between the distillation tank (38) and the drying tank (39), and a temperature control mechanism and a pressure regulating mechanism are arranged in the distillation tank (38).
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