CN208927622U - Carbendazim synthesizes continuous Double-Tower Structure in rectification process - Google Patents
Carbendazim synthesizes continuous Double-Tower Structure in rectification process Download PDFInfo
- Publication number
- CN208927622U CN208927622U CN201821492901.7U CN201821492901U CN208927622U CN 208927622 U CN208927622 U CN 208927622U CN 201821492901 U CN201821492901 U CN 201821492901U CN 208927622 U CN208927622 U CN 208927622U
- Authority
- CN
- China
- Prior art keywords
- distillation column
- tower
- carbendazim
- column
- rectifying column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- TWFZGCMQGLPBSX-UHFFFAOYSA-N Carbendazim Natural products C1=CC=C2NC(NC(=O)OC)=NC2=C1 TWFZGCMQGLPBSX-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000006013 carbendazim Substances 0.000 title claims abstract description 31
- JNPZQRQPIHJYNM-UHFFFAOYSA-N carbendazim Chemical compound C1=C[CH]C2=NC(NC(=O)OC)=NC2=C1 JNPZQRQPIHJYNM-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004821 distillation Methods 0.000 claims abstract description 49
- 238000009833 condensation Methods 0.000 claims abstract description 27
- 230000005494 condensation Effects 0.000 claims abstract description 27
- 239000002699 waste material Substances 0.000 claims abstract description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000010992 reflux Methods 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 11
- 239000000919 ceramic Substances 0.000 claims abstract description 11
- 238000000227 grinding Methods 0.000 claims abstract description 11
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 239000003507 refrigerant Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 6
- 231100000419 toxicity Toxicity 0.000 abstract description 3
- 230000001988 toxicity Effects 0.000 abstract description 3
- 239000007795 chemical reaction product Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 235000003642 hunger Nutrition 0.000 abstract description 2
- 230000037351 starvation Effects 0.000 abstract description 2
- 230000001473 noxious effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 5
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000012267 brine Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000010563 solid-state fermentation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses continuous Double-Tower Structures in carbendazim synthesis rectification process, including first rectifying column, the left side middle position of the first rectifying column is provided with feed inlet, steam outlet is provided with above the right side of the first rectifying column, Second distillation column is provided on the right side of the first rectifying column, communicating pipe is connected between the first rectifying column and Second distillation column, water pump is fixedly installed on the communicating pipe, ceramic heating plate is fixedly installed on the inner wall of the first rectifying column and Second distillation column, the utility model is that carbendazim synthesizes continuous Double-Tower Structure in rectification process, by the way that ceramic heating plate is arranged, nitrogen is passed through mouth, tower bottom condensing unit, condensation reflux unit and waste grinding device, starvation is reached, the heating condensation repeatedly in distillation process, handle the effect of noxious material, it solves anti- Answer the problem of object is oxidizable, reaction product has toxicity and can not be condensed and be heated using water.
Description
Technical field
The utility model relates to carbendazim to synthesize rectification process field, specially continuous double in carbendazim synthesis rectification process
Tower structure.
Background technique
In carbendazim synthesis technology, to impure carbendazim, generally require to be purified with rectifying, in the purification of first time
Middle separation water outlet comes, and the tar material containing 5% o-phenylenediamine is isolated in second segment, since o-phenylenediamine easily aoxidizes,
Need to guarantee the isolation in distillation process to oxygen, and the tarry matters toxicity separated is big, is handled, and
In distillation process, since the first step just needs to separate water outlet, so can not be condensed and be heated using water.
Utility model content
The purpose of this utility model is to provide continuous Double-Tower Structures in carbendazim synthesis rectification process, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions:
Carbendazim synthesizes continuous Double-Tower Structure in rectification process, including first rectifying column, the left end of the first rectifying column
Face middle position is provided with feed inlet, is provided with steam outlet above the right side of the first rectifying column, and described first
It is provided with Second distillation column on the right side of rectifying column, communicating pipe is connected between the first rectifying column and Second distillation column, it is described
It is fixedly installed with water pump on communicating pipe, is fixedly installed ceramic heat on the inner wall of the first rectifying column and Second distillation column
Plate, the lower end surface of the Second distillation column are fixedly installed with tower bottom condensing unit, the lower end surface of the Second distillation column and waste residue
One end of outlet is connected, and the other end of the waste residue outlet pipe through tower bottom condensing unit and is fixedly installed with Solid state fermentation
Case, the waste grinding device are located at the lower right position of Second distillation column, and the inside of the Second distillation column is fixedly installed with
Several tower trays, the left side of the Second distillation column are fixedly connected with nitrogen and are passed through mouth, and the nitrogen is passed through mouth and is located at connection
The top of pipe, the right side top of the Second distillation column are provided with discharge port, and the upper surface of the Second distillation column is fixed to be connected
It is connected to condensation reflux unit.
Preferably, the tower bottom condensing unit includes condensation collet, and the condensation collet is fixedly mounted on Second distillation column
Lower end surface, it is described condensation collet lower end surface offer into refrigerant pipe.
Preferably, the condensation reflux unit includes condenser, the input terminal of the condenser and Second distillation column upper end
It is connected inside face by return pipe, return tank, the output end of the condenser and reflux is provided with below the condenser
Tank is connected, and the lower end surface of the return tank is fixedly installed with return pipe, and the return pipe is connected with communicating pipe.
Preferably, the T-shaped inside that Second distillation column is set of the tower tray.
Preferably, the discharge port, waste residue outlet pipe and outlet valve is mounted on communicating pipe.
Compared with prior art, the utility model has the beneficial effects that continuous double tower knot in carbendazim synthesis rectification process
Structure to impure carbendazim, needs to carry out rectification process, impure more bacterium is passed through from feed inlet in carbendazim synthesis process
Spirit, ceramic heating plate heating, the boiling point of control temperature to water, water boiling gasification rise, are discharged from steam outlet, open first
Treatment fluid is passed through inside Second distillation column by the outlet valve on rectifying column right end communicating pipe, water pump pressurization, ceramic heating plate heating
Treatment fluid, carbendazim enters in condensation reflux unit after being vaporized through tower tray, enters in return tank after condenser, by returning
Flow tube is passed through inside Second distillation column again, and the liquid that the liquid and upper tower segment in charging come declines along tower together, in charging
The steam that steam and lower tower section are come rises along tower together, and tower tray provides the main place of mass transfer and heat transfer for gas-liquid, makes two kinds
Fluid in close carries out heat and mass exchange between two-phase, to reach the mesh of separation of liquid mixtures or components of gas mixtures
, so that carbendazim is discharged from discharge port after carbendazim and tar material are kept completely separate, lead to from into refrigerant pipe into condensation collet
Enter 0 DEG C of chilled brine, tar material is cooled to be discharged into waste grinding device from waste residue outlet pipe, is arranged in waste grinding device
There are the reagents such as hypophosphorous acid or phosphorous acid, prevent the oxidation of o-phenylenediamine and generates diamines azophenlyene in condensation.The utility model
Continuous Double-Tower Structure in rectification process is synthesized for carbendazim, mouth, tower bottom condensation dress are passed through by setting ceramic heating plate, nitrogen
Set, condensation reflux unit and waste grinding device, reached starvation, in distillation process repeatedly heating condensation, handle it is toxic
The effect of substance, solves that reactant is oxidizable, reaction product has toxicity and can not be condensed and be heated using water
The problem of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that carbendazim synthesizes continuous Double-Tower Structure in rectification process.
In figure: 1- first rectifying column, 2- Second distillation column, 3- ceramic heating plate, 4- feed inlet, 5- steam outlet, 6-
Communicating pipe, 7- water pump, 8- nitrogen are passed through mouth, 9- tower bottom condensing unit, and 10- condenses collet, and 11- is into refrigerant pipe, 12- tower tray,
13- discharge port, 14- waste residue outlet pipe, 15- waste grinding device, 16- condensation reflux unit, 17- condenser, 18- return tank,
19- return pipe, 20- outlet valve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: carbendazim synthesizes continuous double tower knot in rectification process
Structure, including first rectifying column 1, the left side middle position of the first rectifying column 1 are provided with feed inlet 4, first essence
It evaporates and is provided with steam outlet 5 above the right side of tower 1, the right side of the first rectifying column 1 is provided with Second distillation column 2, institute
It states and is connected with communicating pipe 6 between first rectifying column 1 and Second distillation column 2, water pump 7 is fixedly installed on the communicating pipe 6, it is described
Ceramic heating plate 3, the lower end of the Second distillation column 2 are fixedly installed on the inner wall of first rectifying column 1 and Second distillation column 2
Face is fixedly installed with tower bottom condensing unit 9, and the lower end surface of the Second distillation column 2 is connected with one end of waste residue outlet pipe 14,
The other end of the waste residue outlet pipe 14 is through tower bottom condensing unit 9 and is fixedly installed with waste grinding device 15, at the waste residue
Reason case 15 is located at the lower right position of Second distillation column 2, and the inside of the Second distillation column 2 is fixedly installed with several tower trays
12, the left side of the Second distillation column 2 is fixedly connected with nitrogen and is passed through mouth 8, and the nitrogen is passed through mouth 8 and is located at communicating pipe 6
Top, the right side top of the Second distillation column 2 are provided with discharge port 13, and the upper surface of the Second distillation column 2 is fixed to be connected
It is connected to condensation reflux unit 16.
Preferably, the tower bottom condensing unit 9 includes condensation collet 10, and the condensation collet 10 is fixedly mounted on second
The lower end surface of the lower end surface of rectifying column 2, the condensation collet 10 is offered into refrigerant pipe 11.
Preferably, the condensation reflux unit 16 includes condenser 17, the input terminal of the condenser 17 and the second rectifying
It is connected inside 2 upper surface of tower by return pipe 19, the lower section of the condenser 17 is provided with return tank 18, the condenser 17
Output end be connected with return tank 18, the lower end surface of the return tank 18 is fixedly installed with return pipe 19, the return pipe 19
It is connected with communicating pipe 6.
Preferably, the T-shaped inside that Second distillation column 2 is set of the tower tray 12.
Preferably, the discharge port 13, waste residue outlet pipe 14 and outlet valve 20 is mounted on communicating pipe 6.
The working principle of the utility model is: continuous Double-Tower Structure in carbendazim synthesis rectification process, synthesizes in carbendazim
In the process, it to impure carbendazim, needs to carry out rectification process, impure carbendazim, ceramic heating plate 3 is passed through from feed inlet 4
Heating, the boiling point of control temperature to water, water boiling gasification rise, are discharged from steam outlet 5, open 1 right end of first rectifying column
Treatment fluid is passed through inside Second distillation column 2 by the outlet valve 20 on communicating pipe 6, the pressurization of water pump 7, and ceramic heating plate 3 heats
Liquid, carbendazim enter in condensation reflux unit 16 after being vaporized through tower tray 12, enter in return tank 18 after condenser 17, warp
Return pipe 19 to be crossed to be passed through again inside Second distillation column 2, the liquid that the liquid and upper tower segment in charging come declines along tower together,
The steam that steam and lower tower section in charging come rises along tower together, and tower tray 12 provides the main field of mass transfer and heat transfer for gas-liquid
Institute makes two kinds of fluid in close carry out heat and mass exchange between two-phase, to reach separation of liquid mixtures or admixture of gas
The purpose of component so that carbendazim is discharged from discharge port 13 after carbendazim and tar material are kept completely separate, from into refrigerant pipe 11 to
0 DEG C of chilled brine is passed through in condensation collet 10, tar material is cooled to be discharged into waste grinding device from waste residue outlet pipe 14
15, the reagents such as hypophosphorous acid or phosphorous acid are provided in waste grinding device 15, the oxidation and the production in condensation for preventing o-phenylenediamine
Raw diamines azophenlyene.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. carbendazim synthesizes continuous Double-Tower Structure in rectification process, including first rectifying column (1), it is characterised in that: described first
The left side middle position of rectifying column (1) is provided with feed inlet (4), setting above the right side of the first rectifying column (1)
Have steam outlet (5), is provided with Second distillation column (2) on the right side of the first rectifying column (1), the first rectifying column (1)
It is connected with communicating pipe (6), is fixedly installed with water pump (7) on the communicating pipe (6), described first between Second distillation column (2)
It is fixedly installed ceramic heating plate (3) on rectifying column (1) and the inner wall of Second distillation column (2), the Second distillation column (2)
Lower end surface is fixedly installed with tower bottom condensing unit (9), and the one of the lower end surface of the Second distillation column (2) and waste residue outlet pipe (14)
End is connected, and the other end of the waste residue outlet pipe (14) through tower bottom condensing unit (9) and is fixedly installed with waste grinding device
(15), the waste grinding device (15) is located at the lower right position of Second distillation column (2), the Second distillation column (2) it is interior
Portion is fixedly installed with several tower trays (12), and the left side of the Second distillation column (2) is fixedly connected with nitrogen and is passed through mouth (8),
The nitrogen is passed through the top that mouth (8) is located at communicating pipe (6), is provided with discharging above the right side of the Second distillation column (2)
Mouth (13), the upper surface of the Second distillation column (2) is fixedly connected with condensation reflux unit (16).
2. continuous Double-Tower Structure in carbendazim synthesis rectification process according to claim 1, it is characterised in that: the tower bottom
Condensing unit (9) includes condensation collet (10), and condensation collet (10) is fixedly mounted on the lower end surface of Second distillation column (2),
The lower end surface of condensation collet (10) is offered into refrigerant pipe (11).
3. continuous Double-Tower Structure in carbendazim synthesis rectification process according to claim 1, it is characterised in that: the condensation
Reflux unit (16) includes condenser (17), logical inside the input terminal of the condenser (17) and Second distillation column (2) upper surface
It crosses return pipe (19) to be connected, be provided with return tank (18) below the condenser (17), the output of the condenser (17)
End is connected with return tank (18), and the lower end surface of the return tank (18) is fixedly installed with return pipe (19), the return pipe
(19) it is connected with communicating pipe (6).
4. continuous Double-Tower Structure in carbendazim synthesis rectification process according to claim 1, it is characterised in that: the tower tray
(12) inside of the T-shaped setting in Second distillation column (2).
5. continuous Double-Tower Structure in carbendazim synthesis rectification process according to claim 1, it is characterised in that: the discharging
It mouthful (13), waste residue outlet pipe (14) and is mounted on outlet valve (20) on communicating pipe (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821492901.7U CN208927622U (en) | 2018-09-11 | 2018-09-11 | Carbendazim synthesizes continuous Double-Tower Structure in rectification process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821492901.7U CN208927622U (en) | 2018-09-11 | 2018-09-11 | Carbendazim synthesizes continuous Double-Tower Structure in rectification process |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208927622U true CN208927622U (en) | 2019-06-04 |
Family
ID=66720879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821492901.7U Expired - Fee Related CN208927622U (en) | 2018-09-11 | 2018-09-11 | Carbendazim synthesizes continuous Double-Tower Structure in rectification process |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208927622U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114307218A (en) * | 2022-01-05 | 2022-04-12 | 吉安市中香天然植物有限公司 | Continuous rectification production control system for spices |
-
2018
- 2018-09-11 CN CN201821492901.7U patent/CN208927622U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114307218A (en) * | 2022-01-05 | 2022-04-12 | 吉安市中香天然植物有限公司 | Continuous rectification production control system for spices |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100586523C (en) | Pleietrepie counter current falling film evaporator for recycling organic solvent | |
CN104829494B (en) | A kind of energy-saving carbamide production system and production technology thereof | |
CN105327518B (en) | The concentration systems and method of a kind of pentanediamine | |
CN211445385U (en) | Contain organic solvent's salt waste water evaporation equipment | |
CN204502433U (en) | Flash distillation scraper concentrator | |
CN107106922A (en) | Distilling apparatus | |
CN208927622U (en) | Carbendazim synthesizes continuous Double-Tower Structure in rectification process | |
CN102086028A (en) | Concentration method for producing highly-concentrated chemical-grade hydrogen peroxide solution | |
CN104922921B (en) | A kind of self-loopa MVR thermo-compression evaporation systems | |
CN101966396B (en) | Evaporation device | |
CN111419083B (en) | Integrated miniaturized low-deuterium water dispenser | |
CN110078582A (en) | Cyclohexane separation device and method for cyclohexanone and cyclohexanol production | |
CN107098854B (en) | Ethoxyquinoline continuous production method | |
CN201537402U (en) | High-efficient evaporation crystallizer | |
CN203483881U (en) | Central circulating tube type evaporator | |
CN102502697B (en) | Method for recovering ammonia in morpholine solution | |
CN102020327B (en) | Ammonia nitrogen waste water treatment equipment | |
CN219009958U (en) | Rectification deamination system | |
CN208959348U (en) | A kind of evaporation concentration device of feed liquid | |
CN110433517A (en) | A kind of cyclohexyl isocyanate rectifying column | |
CN214763400U (en) | System for reducing solvent consumption in maleic anhydride preparation process | |
CN207429733U (en) | A kind of rectifying device for being used to prepare watermelon ketone | |
CN201145260Y (en) | Exhaust-heat boiler and steam drum thereof | |
CN208130544U (en) | High level salt solution evaporation crystallization equipment | |
CN205796590U (en) | A kind of lateral line discharging extracting rectifying and solvent recovery unit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 |