CN110449108A - Esterification device is used in a kind of preparation of trioctyl trimellitate (TOTM) - Google Patents
Esterification device is used in a kind of preparation of trioctyl trimellitate (TOTM) Download PDFInfo
- Publication number
- CN110449108A CN110449108A CN201910853469.2A CN201910853469A CN110449108A CN 110449108 A CN110449108 A CN 110449108A CN 201910853469 A CN201910853469 A CN 201910853469A CN 110449108 A CN110449108 A CN 110449108A
- Authority
- CN
- China
- Prior art keywords
- agitating shaft
- reaction vessel
- totm
- drive motor
- work drive
- 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.)
- Pending
Links
- JNXDCMUUZNIWPQ-UHFFFAOYSA-N trioctyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C(C(=O)OCCCCCCCC)=C1 JNXDCMUUZNIWPQ-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 230000032050 esterification Effects 0.000 title claims abstract description 17
- 238000005886 esterification reaction Methods 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 238000003756 stirring Methods 0.000 claims abstract description 25
- 238000009529 body temperature measurement Methods 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 abstract description 7
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- -1 NC Nitroncellulose Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical class [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007809 chemical reaction catalyst Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
Abstract
The invention proposes a kind of trioctyl trimellitate (TOTM) preparation esterification devices, it is characterized by comprising reaction vessels and sub-mount, the reaction container bottom center is equipped with agitating shaft, the agitating shaft is equipped with several stirring blades, one end top on the stirring blade far from agitating shaft is equipped with fluting, the fluting is equipped with mesh caps, the reaction vessel lower part is equipped with sub-mount, work drive motor is equipped with inside the sub-mount, the subjacent of the reaction vessel is equipped with several heaters.Compared with prior art, by the way that agitating shaft is arranged in reaction vessel interior, and it is stirred by work drive motor to control agitating shaft, it ensure that the uniform of stirring, setting can place the fluting of catalyst inside stirring blade, and be fixed by mesh caps, thus the step of eliminating filtration catalytic agent after reaction, heater is set in reaction container bottom, accurately temperature can be controlled by work drive motor.
Description
[technical field]
The present invention relates to plasticizer preparation technical field, in particular to esterification is used in a kind of trioctyl trimellitate (TOTM) preparation
Device.
[background technique]
Trioctyl trimellitate (TOTM) is a kind of new special top grade plasticizer, be cannot be only used for for 105 grades of CABLE MATERIALSs and its
His heat resistant article, can be also used for the plastics such as NC Nitroncellulose, ethyl cellulose and polymethyl methacrylate.
Trioctyl trimellitate (TOTM) is to be usually used in urging for catalytic esterification made from three acid anhydrides of inclined benzene and octanol esterification
The agent such as concentrated sulfuric acid, solid acid, metal oxide, titanate esters etc. all can be used as the catalyst for preparing trioctyl trimellitate (TOTM), instead
Crude product is answered to obtain product by the purification process such as neutralization, washing, decoloration, dealcoholysis, synthesis condition and purifying under different catalysts
Technique has certain difference.In the prior art, use viscose activated carbon fibers for the support type SnO catalyst of carrier.Pass through
Rationally control reaction condition, can exempt the purification process such as neutralization, washing, decoloration, however, still needing to filter out after reaction
Catalyst, and common response container there are the bad control of reaction temperature, stir the problems such as uneven.
[summary of the invention]
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of trioctyl trimellitate (TOTM) preparation ester is provided
Change reaction unit, aims to solve the problem that trioctyl trimellitate (TOTM) preparation needs to filter out catalyst after reaction in the prior art, and
Common response container there are the bad control of reaction temperature, stir the problems such as uneven.
To achieve the above object, the invention proposes a kind of trioctyl trimellitate (TOTM) preparation esterification devices, special
Sign is: including reaction vessel, sub-mount, agitating shaft, stirring blade, heater and work drive motor, the reaction vessel bottom
Portion center is equipped with agitating shaft, and the agitating shaft is equipped with several stirring blades, the one of separate agitating shaft on the stirring blade
Top is held to be equipped with fluting, the fluting is equipped with mesh caps, and the reaction vessel lower part is equipped with sub-mount, the auxiliary bottom
Seat is internal to be equipped with work drive motor, is connected with turntable on the work drive motor, the turntable is connected with the lower end of the agitating shaft
It connects, the subjacent of the reaction vessel is equipped with several heaters, passes through electricity between the heater and the work drive motor
Conducting wire connection, the reaction vessel top are equipped with container cap.
Preferably, reaction vessel top two sides are equipped with feeding port, the upper opening area of the feeding port is greater than
The lower openings area of the feeding port, the lower openings of the feeding port are close to the inner wall of the reaction vessel.
Preferably, the container cap is between described two feeding ports, the length of the container cap with it is described
Spacing between two feeding ports is mutually agreed with, and the container cap is equipped with pull ring.
Preferably, the agitating shaft is in hollow structure, the lower part of the agitating shaft is equipped with vacancy section, the agitating shaft
Inside is equipped with thermometer, and the temperature measurement fraction of the thermometer is located in the vacancy section, and the reading of the thermometer partially passes through
The container cap is located at the outside of the reaction vessel.
Preferably, being fixedly connected between the mesh caps and stirring blade by several buckles.
Preferably, the heater and the turntable are all located inside the sub-mount, outside the sub-mount
Portion surface is equipped with several manipulation buttons for being used to control work drive motor, heater and turntable.
Beneficial effects of the present invention: compared with prior art, a kind of trioctyl trimellitate (TOTM) preparation use provided by the invention
Esterification device, it is structurally reasonable, by the way that agitating shaft is arranged in reaction vessel interior, and agitating shaft is controlled by work drive motor
It is stirred, ensure that the uniform of stirring, setting can place the fluting of catalyst inside stirring blade, and pass through netted top
Lid is fixed, so that the step of eliminating filtration catalytic agent after reaction, is arranged heater in reaction container bottom, passes through
Work drive motor can accurately control temperature.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram of trioctyl trimellitate (TOTM) preparation esterification device of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the stirring blade of the embodiment of the present invention.
In figure: 1- reaction vessel, 11- feeding port, 12- container cap, 121- pull ring, 2- sub-mount, 3- agitating shaft,
The vacancy section 31-, 4- stirring blade, 411- mesh caps, 412- buckle, 5- turntable, 6- work drive motor, 7- thermometer, 8- add
Hot device.
[specific embodiment]
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The range being not intended to restrict the invention.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to keep away
Exempt from unnecessarily to obscure idea of the invention.
Refering to fig. 1, the embodiment of the present invention provides a kind of trioctyl trimellitate (TOTM) preparation esterification device, and feature exists
In: including reaction vessel 1, sub-mount 2, agitating shaft 3, stirring blade 4, heater 8 and work drive motor 6, the reaction vessel 1
Bottom center is equipped with agitating shaft 3, and the agitating shaft 3 is equipped with several stirring blades 4, separate stirring on the stirring blade 4
One end top of axis 3 is equipped with fluting 41, and the fluting 41 is equipped with mesh caps 411, and 1 lower part of reaction vessel is equipped with auxiliary
Pedestal 2 is equipped with work drive motor 6 inside the sub-mount 2, is connected with turntable 5 on the work drive motor 6, the turntable 5 with
The lower end of the agitating shaft 3 is connected, and the subjacent of the reaction vessel 1 is equipped with several heaters 8, the heater 8
It is connect between the work drive motor 6 by electric lead, 1 top of reaction vessel is equipped with container cap 12.
The 1 top two sides of reaction vessel are equipped with feeding port 11, and the upper opening area of the feeding port 11 is greater than described
The lower openings area of feeding port 11, the lower openings of the feeding port 11 are close to the inner wall of the reaction vessel 1.
The container cap 12 between described two feeding ports 11, the length of the container cap 12 with it is described two
Spacing between feeding port 11 is mutually agreed with, and the container cap 12 is equipped with pull ring 121.
The agitating shaft 3 is in hollow structure, and the lower part of the agitating shaft 3 is equipped with vacancy section 31, the inside of the agitating shaft 3
Equipped with thermometer 7, the temperature measurement fraction of the thermometer 7 is located in the vacancy section 31, and the reading of the thermometer 7 partially passes through
The container cap 12 is located at the outside of the reaction vessel 1.By several between the mesh caps 411 and stirring blade 4
A buckle 412 is fixedly connected.The heater 8 and the turntable 5 are all located inside the sub-mount 2, the auxiliary bottom
2 outer surfaces of seat are equipped with several manipulation buttons for being used to control work drive motor 6, heater 8 and turntable 5.
The course of work of the present invention:
A kind of trioctyl trimellitate (TOTM) preparation of the present invention with esterification device during the work time, first by solid catalyst
It is put into the fluting 41 of stirring blade 4, and with after the fixation of mesh caps 411, puts into reaction raw materials along feeding port 11, and cover appearance
Device top cover 12 opens work drive motor 6, drives turntable 5 and heater 8 to work, turntable 5 drives agitating shaft 3 to rotate, agitating shaft
Thermometer 7 inside 3 can be with the temperature of reactant in real-time detection container, thus interior to change by adjusting heater 8 at any time
Portion's temperature can directly take out the catalyst in fluting 41 after reaction, without passing through filtering.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of trioctyl trimellitate (TOTM) preparation esterification device, it is characterised in that: including reaction vessel (1), auxiliary bottom
Seat (2), agitating shaft (3), stirring blade (4), heater (8) and work drive motor (6), reaction vessel (1) bottom center are set
Have agitating shaft (3), the agitating shaft (3) is equipped with several stirring blades (4), separate agitating shaft on the stirring blade (4)
(3) one end top is equipped with fluting (41), and the fluting (41) is equipped with mesh caps (411), reaction vessel (1) lower part
Equipped with sub-mount (2), work drive motor (6) are equipped with inside the sub-mount (2), are connected with rotation on the work drive motor (6)
Platform (5), the turntable (5) are connected with the lower end of the agitating shaft (3), and the subjacent of the reaction vessel (1) is equipped with
Several heaters (8) are connect between the heater (8) and the work drive motor (6) by electric lead, the reaction vessel
(1) top is equipped with container cap (12).
2. a kind of trioctyl trimellitate (TOTM) preparation esterification device as described in claim 1, it is characterised in that: described anti-
Container (1) top two sides are answered to be equipped with feeding port (11), the upper opening area of the feeding port (11) is greater than the feeding port
(11) lower openings area, the lower openings of the feeding port (11) are close to the inner wall of the reaction vessel (1).
3. a kind of trioctyl trimellitate (TOTM) preparation esterification device as claimed in claim 2, it is characterised in that: the appearance
Device top cover (12) is between described two feeding ports (11), the length of the container cap (12) and described two feeding ports
(11) spacing between is mutually agreed with, and the container cap (12) is equipped with pull ring (121).
4. a kind of trioctyl trimellitate (TOTM) preparation esterification device as described in claim 1, it is characterised in that: described to stir
Axis (3) are mixed in hollow structure, the lower part of the agitating shaft (3) is equipped with vacancy section (31), and the inside of the agitating shaft (3) is equipped with temperature
Degree meter (7), the temperature measurement fraction of the thermometer (7) are located in the vacancy section (31), and the reading part of the thermometer (7) is worn
Cross the outside that the container cap (12) are located at the reaction vessel (1).
5. a kind of trioctyl trimellitate (TOTM) preparation esterification device as described in claim 1, it is characterised in that: the net
It is fixedly connected between shape top cover (411) and stirring blade (4) by several buckles (412).
6. a kind of trioctyl trimellitate (TOTM) preparation esterification device as described in claim 1, it is characterised in that: described to add
Hot device (8) and the turntable (5) are all located at the sub-mount (2) inside, and the sub-mount (2) is if outer surface is equipped with
Dry for controlling the manipulation button of work drive motor (6), heater (8) and turntable (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910853469.2A CN110449108A (en) | 2019-09-10 | 2019-09-10 | Esterification device is used in a kind of preparation of trioctyl trimellitate (TOTM) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910853469.2A CN110449108A (en) | 2019-09-10 | 2019-09-10 | Esterification device is used in a kind of preparation of trioctyl trimellitate (TOTM) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110449108A true CN110449108A (en) | 2019-11-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910853469.2A Pending CN110449108A (en) | 2019-09-10 | 2019-09-10 | Esterification device is used in a kind of preparation of trioctyl trimellitate (TOTM) |
Country Status (1)
| Country | Link |
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| CN (1) | CN110449108A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6458916B1 (en) * | 2001-08-29 | 2002-10-01 | Hitachi, Ltd. | Production process and production apparatus for polybutylene terephthalate |
| CN105854768A (en) * | 2016-05-30 | 2016-08-17 | 苏州市锦翔压力容器制造有限公司 | Integrated reaction kettle |
| CN106323494A (en) * | 2015-07-07 | 2017-01-11 | 陈勤 | On-line temperature measuring device and application thereof |
| CN107149921A (en) * | 2017-06-27 | 2017-09-12 | 桐乡市大麻腾岩广告设计工作室 | It is a kind of to adjust the reactor of temperature |
| CN206544987U (en) * | 2017-03-01 | 2017-10-10 | 江西天一特种油有限公司 | A kind of phenyl xylyl ethane insulating oil process units |
| CN206838077U (en) * | 2017-06-27 | 2018-01-05 | 江西天沅环保股份有限公司 | A kind of fatty acid methyl ester reaction kettle of the esterification from flushing |
| CN208599696U (en) * | 2018-07-09 | 2019-03-15 | 江苏凌飞科技股份有限公司 | A kind of reaction unit suitable for being catalyzed reaction |
| CN211274619U (en) * | 2019-09-10 | 2020-08-18 | 浙江伟博化工科技有限公司 | Esterification reaction device for preparing trioctyl trimellitate |
-
2019
- 2019-09-10 CN CN201910853469.2A patent/CN110449108A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6458916B1 (en) * | 2001-08-29 | 2002-10-01 | Hitachi, Ltd. | Production process and production apparatus for polybutylene terephthalate |
| CN106323494A (en) * | 2015-07-07 | 2017-01-11 | 陈勤 | On-line temperature measuring device and application thereof |
| CN105854768A (en) * | 2016-05-30 | 2016-08-17 | 苏州市锦翔压力容器制造有限公司 | Integrated reaction kettle |
| CN206544987U (en) * | 2017-03-01 | 2017-10-10 | 江西天一特种油有限公司 | A kind of phenyl xylyl ethane insulating oil process units |
| CN107149921A (en) * | 2017-06-27 | 2017-09-12 | 桐乡市大麻腾岩广告设计工作室 | It is a kind of to adjust the reactor of temperature |
| CN206838077U (en) * | 2017-06-27 | 2018-01-05 | 江西天沅环保股份有限公司 | A kind of fatty acid methyl ester reaction kettle of the esterification from flushing |
| CN208599696U (en) * | 2018-07-09 | 2019-03-15 | 江苏凌飞科技股份有限公司 | A kind of reaction unit suitable for being catalyzed reaction |
| CN211274619U (en) * | 2019-09-10 | 2020-08-18 | 浙江伟博化工科技有限公司 | Esterification reaction device for preparing trioctyl trimellitate |
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