CN202279795U - Second esterification reactor in continuous production device of 1,3-polytrimethylene terephthalate - Google Patents
Second esterification reactor in continuous production device of 1,3-polytrimethylene terephthalate Download PDFInfo
- Publication number
- CN202279795U CN202279795U CN2011203366990U CN201120336699U CN202279795U CN 202279795 U CN202279795 U CN 202279795U CN 2011203366990 U CN2011203366990 U CN 2011203366990U CN 201120336699 U CN201120336699 U CN 201120336699U CN 202279795 U CN202279795 U CN 202279795U
- Authority
- CN
- China
- Prior art keywords
- reactor drum
- esterifier
- continuous production
- production device
- kettle
- 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 - Lifetime
Links
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model provides a second esterification reactor in a continuous production device of 1,3-polytrimethylene terephthalate. The reactor comprises a horizontal reactor kettle body, wherein the horizontal reactor kettle body is internally provided with one partition or multiple partitions; the space inside the horizontal reactor kettle body is divided into at least two cavities; through holes or notches for circulating a reaction material are arranged at the bottom of each partition; the reactor kettle body is provided with a material inlet and a liquid material outlet, the material inlet is located on the lower part of one side of the reactor kettle body, and the liquid material outlet is located at the bottom of the other side of the reactor kettle body; a heating coil is respectively arranged partial or overall cavities; and each heating coil is provided with independent inlet and outlet pipelines and a regulation valve arranged on the outlet pipeline. By using the reactor, the retention times of esterified substances in different cavities can be controlled so as to control esterification degree, and multiple different additives are added in the esterified substances having different esterification degrees in different cavities.
Description
Technical field
The utility model relates to a kind of device of producing PTT, relates in particular to a kind of poly terephthalic acid 1, second esterifier in the ammediol ester continuous production device.
Background technology
PTT (PTT) is the successful new polyester material of 20th century the mid-90 commercial exploitation.In the successive polymerization technology of existing production PTT; Esterifier generally adopts vertical reactor; Owing to need add multiple additives in different Esterification Stage in its production process, if adopt vertical reactor then the residence time of wayward additive, technical process is complicated; And increased facility investment and production energy consumption, be unfavorable for production management and reduce production costs.
The utility model content
In order to overcome the above-mentioned defective of prior art; The utility model provides a kind of poly terephthalic acid 1; Second esterifier in the ammediol ester continuous production device; Can realize adding multiple different additives in different Esterification Stage in the continuous production, and quality product is high, performance is good, facility investment is few.
The technical scheme that the utility model provides:
A kind of poly terephthalic acid 1; Second esterifier in the ammediol ester continuous production device; Comprise the reactor drum kettle; Said reactor drum kettle is horizontal kettle, is provided with one or more dividing plate in it, and the internal space of said reactor drum kettle is separated at least two chambers; Said dividing plate bottom is provided with through hole or the breach that supplies the reaction mass circulation; Leave spacing or said dividing plate top between the inwall at least a portion upper limb of said dividing plate and said reactor drum kettle top and leave through hole or go up breach, said reactor drum kettle is provided with material inlet and liquid phase material outlet, and said material inlet is positioned at the bottom or the bottom of said reactor drum kettle one side; Said liquid phase material outlet is positioned at the bottom or the bottom of said reactor drum kettle opposite side; The outlet of said material inlet and said liquid phase material communicates with two chambers that material passes in and out said second esterifier respectively, is provided with heating coil separately in the part or all of said chamber, and each said heating coil is provided with independently the import and export pipeline and is arranged on the regulated valve on the said export pipeline.
Said through hole or breach are preferably semicircle, also can be crescent or other suitable shapes, and the bottom interior wall of particularly semicircular diameter place and reactor drum kettle is fitted.
The length of each said chamber can be arranged to equate or do not wait.
Can also be provided with the gaseous phase materials outlet on the said reactor drum kettle, the top of throwing the said reactor drum kettle of the same side with said liquid phase material outlet is located in said gaseous phase materials outlet.
Said reactor drum kettle top can also be provided with the safety relief mouth; Said reactor drum autoclave body bottom can also be provided with one or more refluxing openings that directing material is back to first esterifier that are used for; When being a plurality of refluxing opening, said a plurality of said refluxing openings are located at the bottom of different chamber separately.
In above-mentioned arbitrary technical scheme, part or all of said chamber can correspondence be provided with additive conduit and whisking appliance, and said additive conduit is inserted in the corresponding said chamber, and the stirring main part of said whisking appliance extends in the corresponding said chamber.
The edge of the bottom of said additive conduit preferably is lower than the edge of the upper end of said dividing plate.
Each cavity bottom of said reactor drum kettle should be provided with a material discharging hole at least.
Said reactor drum kettle can be provided with the chuck on the wall that is arranged on the reactor drum kettle that is used to hold heating medium, and said reactor drum kettle is provided with the heating medium import and export, constitutes the interface that heating medium passes in and out said chuck and heating coil respectively.
Can be provided with in each said chamber or be not provided with guide shell, when said guide shell was set, the lower end mouth of pipe of said additive conduit and the stirring main part of said whisking appliance extended in the said guide shell.
The beneficial effect of the utility model: because this second esterifier adopts horizontal setting; And adopt dividing plate that it is divided into a plurality of chambers, therefore can multiple different additives be joined in the carboxylate of the different Zhi Huadus in the different chamber, and guarantee the reaction times of each chamber; Simplified operation; Improved quality product, and through hole or the breach etc. that are positioned at the dividing plate top and the bottom form gas and liquid medium passage respectively, have guaranteed that the order of medium flows;
Owing in part or all of said chamber, be provided with heating coil; And each said heating coil is provided with independently the import and export pipeline and is arranged on the regulated valve on the said export pipeline; Can carry out separately independently temperature control to different chamber, more help the acquisition of the carboxylate of different Zhi Huadus;
Owing to can according to actual needs the length of each chamber be arranged to equate or do not wait, therefore can control various materials (comprising carboxylate) exactly, thereby accurately control the Zhi Huadu of reactant at each chamber in the residence time of different chamber.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
As shown in Figure 1; The utility model provides a kind of poly terephthalic acid 1, and second esterifier in the ammediol ester continuous production device comprises reactor drum kettle 1; Said reactor drum kettle is horizontal kettle; Be provided with one or more dividing plate 4 in it, said dividing plate is separated at least two chambers with the internal space of said reactor drum kettle, and said dividing plate bottom can be provided with through hole or the breach that supplies material stream passed; The length of each said chamber can be arranged to equate or do not wait according to concrete processing requirement and practical situation; For example can the position of dividing plate be set, thereby said chamber is arranged to different length according to the carboxylate difference of the required residence time in each said chamber.Said reactor drum kettle is provided with material inlet 3 and liquid phase material outlet 7; Said material inlet is positioned at the bottom of said reactor drum kettle one side; The outlet of said liquid phase material is positioned at the bottom of said reactor drum kettle opposite side, and said material inlet and the outlet of said liquid phase material do not communicate with two chambers that material passes in and out said second esterifier.
Be provided with heating coil separately in the part or all of said chamber, each said heating coil is provided with independently the import and export pipeline and is arranged on the regulated valve on the said export pipeline.Can regulate flow velocity and the flow that feeds the heating medium in the corresponding heating coil through regulated valve, thus control rate of heating and time of adjusted esterification to a certain degree.
Said through hole or breach are preferably semi-circular through hole or breach, also can fit for the straight flange of the through hole or the breach, particularly semicircle breach of crescent or other suitable shape and the bottom interior wall of reactor drum kettle.Carboxylate gets into that the said through hole through said dividing plate bottom flows to Way out behind the said reactor drum kettle; Because the difference of the residence time; Carboxylate has different Zhi Huadus at each chamber, from the ingress chamber to the exit chamber, the Zhi Huadu of carboxylate raises successively.
Usually can also be provided with gaseous phase materials outlet 10 on the said reactor drum kettle, the top of said reactor drum kettle is located in said gaseous phase materials outlet, both can be at the middle part at top, and also can be at the top of said reactor drum kettle opposite side.
Said reactor drum kettle top can also be provided with safety relief mouth 9; Said reactor drum autoclave body bottom can also be provided with one or more refluxing openings 8 that directing material is back to first esterifier that are used for; When being a plurality of refluxing opening, said a plurality of said refluxing openings are located at the bottom of different chamber separately.The carboxylate that has additive and/or catalyzer in the said reactor drum kettle can be back in said first esterifier through Melt Pump through said refluxing opening.
Part or all of said chamber can correspondence be provided with additive conduit 6 and whisking appliance 2; Said additive conduit is inserted and is extended in each self-corresponding said chamber; The stirring main part of said whisking appliance extends in the corresponding said chamber; By electric motor driving, whisking appliance transmission mechanism transmission driven rotary; The connecting interface 11 that the stirring main part of said whisking appliance is connected with the whisking appliance transmission mechanism is arranged on the said reactor drum kettle, and said whisking appliance can be the whisking appliance of various suitable stirring polyester reactants under the prior art.
The edge of the bottom of said additive conduit preferably is lower than the edge of the upper end of said dividing plate; Can guarantee that like this additive can successfully join in the specified chamber; Thereby realized in a said reactor drum, multiple different additives being joined in the carboxylate of different Zhi Huadus, improved product quality and performances.
Each cavity bottom of said reactor drum kettle should be provided with a material discharging hole at least; Can discharge all leftover materials through this material discharging hole in case of necessity; Both can simplify cleaning operation, and can avoid carboxylate etc. to remain in the said chamber again and influence the quality of the carboxylate of subsequent production each chamber in the reactor drum.
Said reactor drum kettle can be provided with the chuck on the wall that is arranged on the reactor drum kettle that is used to hold heating medium; Through in said chuck, feeding heating medium; Can make the reaction mass thermally equivalent better; Improve the heat transfer in the reactor drum, utilize said heating coil to help improving localized heat transfer and intensification; Said reactor drum kettle is provided with heating medium import and export 12, constitutes the interface that heating medium passes in and out said chuck and heating coil respectively.Quantity and position are set confirm the specific requirement of conducting heat according to concrete esterification of said heating medium import and export.
According to concrete service condition; Can be provided with or not be provided with guide shell 5 in each said chamber; When said guide shell is set; Said guide shell preferably is arranged on the position of the horizontal center of corresponding chambers, leaves certain interval between the bottom margin of said guide shell and the bottom surface of chamber, not influence the proper flow of reactant etc.The lower end mouth of pipe of said additive conduit and the stirring main part of said whisking appliance extend in the said guide shell.
Adopt the utility model; Not only simple to operate, easy to use; Can easily be implemented in the carboxylate that the different intermediate reaction stages obtains different Zhi Huadus; Can also through control easily with adjust in the carboxylate of different Zhi Huadus the mode that adds different additive obtain better quality and than dominance can esterification products, have broad application prospects.
Claims (10)
1. poly terephthalic acid 1; Second esterifier in the ammediol ester continuous production device; Comprise the reactor drum kettle, it is characterized in that said reactor drum kettle is horizontal kettle, be provided with one or more dividing plate in it; The internal space of said reactor drum kettle is separated at least two chambers; Said dividing plate bottom is provided with through hole or the breach that supplies the reaction mass circulation, leaves spacing or said dividing plate top between the inwall at least a portion upper limb of said dividing plate and said reactor drum kettle top and leaves through hole or go up breach, and said reactor drum kettle is provided with material inlet and liquid phase material outlet; Said material inlet is positioned at the bottom or the bottom of said reactor drum kettle one side; The outlet of said liquid phase material is positioned at the bottom or the bottom of said reactor drum kettle opposite side, is provided with heating coil separately in the part or all of said chamber, and each said heating coil is provided with independently the import and export pipeline and is arranged on the regulated valve on the said export pipeline.
2. poly terephthalic acid 1 as claimed in claim 1, second esterifier in the ammediol ester continuous production device is characterized in that said through hole or breach are semicircle or crescent.
3. poly terephthalic acid 1 as claimed in claim 2, second esterifier in the ammediol ester continuous production device is characterized in that the length of each said chamber is arranged to equate or do not wait.
4. poly terephthalic acid 1 as claimed in claim 3; Second esterifier in the ammediol ester continuous production device; It is characterized in that also being provided with on the said reactor drum kettle gaseous phase materials outlet, the top that exports the said reactor drum kettle of the same side with said liquid phase material is located in said gaseous phase materials outlet.
5. poly terephthalic acid 1 as claimed in claim 4; Second esterifier in the ammediol ester continuous production device; It is characterized in that said reactor drum kettle top also is provided with the safety relief mouth; Said reactor drum autoclave body bottom also is provided with one or more refluxing openings that directing material is back to first esterifier that are used for, and when being a plurality of said refluxing opening, said a plurality of refluxing openings are located at the bottom of different chamber separately.
6. like claim 1,2,3,4 or 5 described poly terephthalic acids 1; Second esterifier in the ammediol ester continuous production device; It is characterized in that part or all of said chamber correspondence is provided with additive conduit and whisking appliance; Said additive conduit is inserted in the corresponding said chamber, and the stirring main part of said whisking appliance extends in the corresponding said chamber.
7. poly terephthalic acid 1 as claimed in claim 6, second esterifier in the ammediol ester continuous production device is characterized in that the lower end edge of said additive conduit is lower than the upper end edge of said dividing plate.
8. poly terephthalic acid 1 as claimed in claim 7, second esterifier in the ammediol ester continuous production device is characterized in that each cavity bottom of said reactor drum kettle is provided with a material discharging hole at least.
9. poly terephthalic acid 1 as claimed in claim 8; Second esterifier in the ammediol ester continuous production device; It is characterized in that said reactor drum kettle is provided with the chuck on the wall that is arranged on the reactor drum kettle that is used to hold heating medium; Said reactor drum kettle is provided with the heating medium import and export, constitutes the interface that heating medium passes in and out said chuck and heating coil respectively.
10. poly terephthalic acid 1 as claimed in claim 9; Second esterifier in the ammediol ester continuous production device; It is characterized in that being provided with or not being provided with in each said chamber guide shell; When said guide shell was set, the lower end mouth of pipe of said additive conduit and the stirring main part of said whisking appliance extended in the said guide shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203366990U CN202279795U (en) | 2011-09-08 | 2011-09-08 | Second esterification reactor in continuous production device of 1,3-polytrimethylene terephthalate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203366990U CN202279795U (en) | 2011-09-08 | 2011-09-08 | Second esterification reactor in continuous production device of 1,3-polytrimethylene terephthalate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202279795U true CN202279795U (en) | 2012-06-20 |
Family
ID=46225970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203366990U Expired - Lifetime CN202279795U (en) | 2011-09-08 | 2011-09-08 | Second esterification reactor in continuous production device of 1,3-polytrimethylene terephthalate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202279795U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705147A (en) * | 2020-12-30 | 2021-04-27 | 中国纺织科学研究院有限公司 | Copolyester esterification reaction kettle and esterification method |
| WO2023202421A1 (en) * | 2022-04-20 | 2023-10-26 | 中国纺织科学研究院有限公司 | Continuous reactor |
| CN117735646A (en) * | 2024-02-19 | 2024-03-22 | 深圳市纯水一号水处理科技有限公司 | Advanced treatment device for high-concentration salt-containing wastewater |
-
2011
- 2011-09-08 CN CN2011203366990U patent/CN202279795U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705147A (en) * | 2020-12-30 | 2021-04-27 | 中国纺织科学研究院有限公司 | Copolyester esterification reaction kettle and esterification method |
| WO2023202421A1 (en) * | 2022-04-20 | 2023-10-26 | 中国纺织科学研究院有限公司 | Continuous reactor |
| CN117735646A (en) * | 2024-02-19 | 2024-03-22 | 深圳市纯水一号水处理科技有限公司 | Advanced treatment device for high-concentration salt-containing wastewater |
| CN117735646B (en) * | 2024-02-19 | 2024-04-19 | 深圳市纯水一号水处理科技有限公司 | Advanced treatment device for high-concentration salt-containing wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102311541A (en) | Second esterification reactor in continuous production device of poly (trimethylene terephthalate) | |
| CN202279795U (en) | Second esterification reactor in continuous production device of 1,3-polytrimethylene terephthalate | |
| CN207221901U (en) | A kind of modified reaction kettle of the esterification | |
| CN105771868A (en) | Esterification and polymerization double-kettle apparatus | |
| CN102776075B (en) | Interactive turbulent flow reaction device | |
| CN102276815B (en) | Integrated roof filling polyester solid tackifying reactor | |
| WO2024066554A1 (en) | Continuous production device and continuous production line for polymer polyol | |
| CN206463955U (en) | Homogeneous continuous still reaction system and homogeneous reaction kettle for exothermic reaction | |
| CN205650186U (en) | Two cauldron systems of polymerization esterify | |
| CN202322675U (en) | 2-acrylamide-2-methylacrylsulfonate continuous synthesis reaction device | |
| CN204727870U (en) | A kind of catalytic hydration special reactor | |
| CN105561905A (en) | Esterification and polymerization two-kettle system | |
| CN215028787U (en) | Stirring reaction kettle with composite stirrer | |
| CN206492492U (en) | Outer circulation compartment system applied to esterification | |
| CN206276360U (en) | Polymer production coiled reaction system | |
| CN205653385U (en) | Polymerization system esterifies | |
| CN205517782U (en) | Automatic esterifying kettle of stirring | |
| CN202823364U (en) | Pre-polycondensation reactor | |
| CN201598284U (en) | Efficient and energy-saving antibiotic fermentation tank | |
| CN102153196B (en) | Heating type integrated sewage treatment device | |
| CN205653386U (en) | Polymerization device of esterifying | |
| CN203648532U (en) | Multi-section outer coil paint reaction kettle | |
| CN102181047B (en) | Polyethylene terephthalate (PET) esterification reaction kettle | |
| CN205650187U (en) | Esterify and get together two cauldron devices | |
| CN216224396U (en) | Reation kettle temperature regulating device of chloroacetic acid production usefulness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: China National Petroleum Corp. Patentee after: China Kunlun Engineering Co., Ltd. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee before: China National Petroleum Corp. Patentee before: China Kunlun Contracting & Engineering Corporation |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120620 |
|
| CX01 | Expiry of patent term |