CN205517782U - Automatic esterifying kettle of stirring - Google Patents
Automatic esterifying kettle of stirring Download PDFInfo
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- CN205517782U CN205517782U CN201620089813.7U CN201620089813U CN205517782U CN 205517782 U CN205517782 U CN 205517782U CN 201620089813 U CN201620089813 U CN 201620089813U CN 205517782 U CN205517782 U CN 205517782U
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Abstract
The utility model relates to an automatic esterifying kettle of stirring, the casing top is equipped with PTA feed inlet, ethylene glycol import and gas exports, and the casing lower part is equipped with the material export of esterifying, and the shells inner wall lower part is equipped with an outer guide section of thick bamboo, forms ejection of compact annular between an outer guide section of thick bamboo and the casing, is equipped with the export of outer guide section of thick bamboo material on the outer guide section of thick bamboo and communicates with each other with ejection of compact annular, and ejection of compact annular bottom communicates with each other with the material export of esterifying, the inner chamber of an outer guide section of thick bamboo is equipped with interior draft tube, and the last port of interior draft tube is less than the last port of an outer guide section of thick bamboo, the center material pipe of draft tube below in the casing inner chamber is equipped with and extends to, the upper end of center material pipe is connected with the PTA feed inlet, the lower extreme of center material pipe and the center intercommunication of cross pipe, four spinal branch pipes of cross pipe lie in same horizontal plane, and the export of four spinal branchs pipe lies in between an outer guide section of thick bamboo and the draft tube and to bending with the transition of one side circular arc, the ethylene glycol import is aimed at between an outer guide section of thick bamboo and the interior draft tube. Technology has been simplified to this esterifying kettle, practices thrift the energy consumption, and the fault rate is low.
Description
Technical field
The utility model relates to the esterifying kettle of a kind of automatic stirring, belongs to industrial chemicals and produces equipment technical field.
Background technology
Traditional esterifications produces equipment and includes PTA powder material tank and esterifying kettle, esterifying kettle is provided with heating jacket, the top of esterifying kettle is provided with PTA charging aperture and gaseous phase outlet, the bottom of esterifying kettle is provided with esterification material outlet, the bottom of PTA powder material tank connects has PTA powder pipe, PTA powder pipe to be connected with the PTA charging aperture of esterifying kettle.
Needing first to carry out mixing with ethylene glycol by PTA powder making beating in process of production, then enter in esterifying kettle from PTA charging aperture and heat, in course of reaction, stirrer paddle to be used is stirred continuously, and Processes and apparatus is complicated, and energy consumption is high.
Utility model content
The purpose of this utility model is, overcomes problems of the prior art, it is provided that the esterifying kettle of a kind of automatic stirring, simple in construction, and energy consumption is low, and production efficiency is high.
For solving above technical problem, the esterifying kettle of a kind of automatic stirring of the present utility model, including housing, the periphery of described housing is provided with heating jacket, the top of housing is provided with PTA charging aperture and gaseous phase outlet, the bottom of described housing is provided with esterification material outlet, the inner wall lower of described housing is provided with circumferentially and the external flow guiding cylinder of upper end open, discharging annular groove is formed between described external flow guiding cylinder and inner walls, described external flow guiding cylinder is provided with external flow guiding cylinder material outlet and communicates with described discharging annular groove, and the bottom of described discharging annular groove communicates with described esterification material outlet；The inner chamber of described external flow guiding cylinder is provided with the inner draft tube of line coaxially therewith, and the upper port of described inner draft tube is less than the upper port of external flow guiding cylinder；The inner chamber of described housing is provided with and extends downward the center material pipe below inner draft tube along axis, the upper end of described center material pipe is connected with described PTA charging aperture, the lower end of described center material pipe connects with the center of right-angled intersection pipe, four arms of described right-angled intersection pipe are positioned at same horizontal plane, four arms outlet between external flow guiding cylinder and inner draft tube annulus lower section and in centrosymmetric mode to the same side arc transition bending；The top of described housing is additionally provided with ethylene glycol import, and described ethylene glycol import is directed at annulus between described external flow guiding cylinder and inner draft tube.
Relative to prior art, the utility model achieves following beneficial effect: ethylene glycol enters esterifying kettle from ethylene glycol import, PTA powder in PTA powder material tank enters PTA feed pipe under the jet action of nitrogen simultaneously, center material pipe is entered from PTA charging aperture, owing to the lower end of center material pipe is deep into bottom esterifying kettle, four arms of right-angled intersection pipe are that shape connects, PTA powder simultaneously enters four arms from the center of right-angled intersection pipe, owing to the outlet of four arms is to the same side bending, circulation is formed at esterifying kettle inner chamber with the PTA powder of nitrogen ejection, between external flow guiding cylinder and inner draft tube, annulus forms stirring with ethylene glycol, nitrogen moves upward after flowing out and forms secondary agitation again, ensure that PTA powder and ethylene glycol are thoroughly mixed uniformly；At high temperature PTA powder and ethylene glycol generation esterification, the horizontal vortex shape of material formation in nitrogen injects still, material material within inner draft tube under the thermal convection current double action of nitrogen and heating coil is descending simultaneously, material between inner draft tube and external flow guiding cylinder moves upward, form the state of inner-outer circulation, along with material constantly enters, the material reacted enters discharging annular groove from the external flow guiding cylinder material outlet of external flow guiding cylinder, reaction is continued during flowing thoroughly under the heating of heating agent in heating jacket, last esterification material outlet bottom discharging annular groove is discharged.This esterifying kettle eliminates PTA powder and ethylene glycol and is pre-mixed the operation of making beating, and is automatically obtained stirring, it is not necessary to arranges agitating device, simplifies technique, saved energy consumption, reduces the fault rate of equipment, improve production efficiency.
As preferred version of the present utility model, the axis of four branch outlet of described right-angled intersection pipe axis with institute connecting branch respectively is 90 °, and each described branch outlet is cut by the perpendicular of the center of mistake material pipe axis respectively and forms slant cutting edge.PTA powder is downwardly into the center of right-angled intersection pipe along center material pipe, from the center of right-angled intersection pipe, four direction flows into four arms simultaneously again, then turn to the tangential direction along same circumference spray, the circular motion making stream intersects with moving upward of nitrogen, can play best mixing effect.
As preferred version of the present utility model, described external flow guiding cylinder material outlet extends vertically downwards along the full-height direction of described external flow guiding cylinder, the inner chamber of described discharging annular groove is provided with radially diaphragm, and described external flow guiding cylinder material outlet and described esterification material outlet lay respectively at the both sides of described radial direction diaphragm.Radially esterification material outlet is separated by diaphragm with external flow guiding cylinder material outlet, there is short stream in the material being possible to prevent in discharging annular groove, material is made to have the stroke of maximum in discharging annular groove, material enters the form after discharging annular groove in laminar flow, round along cylinder inboard wall, material continues heated chuck heating during advancing, and finally flows out from esterification material outlet, and this structure extends the material heat time in esterifying kettle.
As preferred version of the present utility model, between described external flow guiding cylinder and inner draft tube, annulus is provided with many group heating medium for heating coil pipes, and often group heating medium for heating coil pipe is respectively equipped with heating coil Heating medium and the outlet of heating coil heating agent.PTA powder and ethylene glycol between external flow guiding cylinder and inner draft tube in annulus while stirring, heated by heating medium for heating coil pipe, and can need to determine to put into the group number of heating medium for heating coil pipe that heat according to technique.
As preferred version of the present utility model, the heating jacket lower end of described housing bottom is provided with heating jacket Heating medium at the bottom of shell, and the heating jacket upper end of described housing bottom is provided with heating jacket heating agent outlet at the bottom of shell；The heating jacket lower end of described housing barrel is provided with barrel heating jacket Heating medium, and the heating jacket upper end of described housing barrel is provided with the outlet of barrel heating jacket heating agent.Heating jacket Heating medium at the bottom of the shell that heating agent can be held under shell enters heating jacket at the bottom of shell, flows out from heating jacket heating agent outlet at the bottom of the shell of upper end at the bottom of shell；Barrel heating jacket Heating medium from barrel lower end enters barrel heating jacket, and the barrel heating jacket heating agent outlet from barrel upper end is flowed out, and both can independently be controlled.
As preferred version of the present utility model, described housing bottom is provided with temperature-measuring port and interface of the level gauge, and described housing bottom center is provided with discharging hole, and the top of described housing is provided with pressure tap.Temperature-measuring port can detect the temperature of charge of esterifying kettle inner chamber, and pressure tap can detect the pressure of esterifying kettle inner chamber, and interface of the level gauge is easy to control the liquid level of esterifying kettle materials inside.
Accompanying drawing explanation
Being described in further detail the utility model with detailed description of the invention below in conjunction with the accompanying drawings, accompanying drawing only provides reference and explanation use, is not used to limit the utility model.
Fig. 1 is the structural representation of the esterifying kettle of the utility model automatic stirring.
Fig. 2 is the structural representation of right-angled intersection pipe.
Fig. 3 is the flow graph of material in discharging annular groove.
Fig. 4 is the flow schematic diagram of material in esterifying kettle.
In figure: 1. housing；1a.PTA charging aperture；1b. ethylene glycol import；1c. gaseous phase outlet；1d. is esterified material outlet；1e. discharging hole；1f. interface of the level gauge；1g. temperature-measuring port；1h. pressure tap；2. heating jacket；Heating jacket Heating medium at the bottom of 2a. shell；Heating jacket heating agent outlet at the bottom of 2b. shell；2c. barrel heating jacket Heating medium；2d. barrel heating jacket heating agent exports；3. external flow guiding cylinder；3a. external flow guiding cylinder material outlet；4. discharging annular groove；4a. radially diaphragm；5. inner draft tube；6. center material pipe；7. right-angled intersection pipe；8. heating medium for heating coil pipe；8a. heating coil Heating medium；8b. heating coil heating agent exports.
Detailed description of the invention
As shown in Figures 1 to 4, the esterifying kettle of the utility model automatic stirring includes housing 1, the periphery of housing is provided with heating jacket 2, the top of housing is provided with PTA charging aperture 1a and gaseous phase outlet 1c, the bottom of housing is provided with esterification material outlet 1d, the inner wall lower of housing is provided with circumferentially and the external flow guiding cylinder 3 of upper end open, discharging annular groove 4 is formed between external flow guiding cylinder 3 and inner walls, external flow guiding cylinder 3 is provided with external flow guiding cylinder material outlet 3a and communicates with discharging annular groove 4, and the bottom of discharging annular groove 4 communicates with esterification material outlet 1d；The inner chamber of external flow guiding cylinder 3 is provided with the inner draft tube 5 of line coaxially therewith, and the upper port of inner draft tube 5 is less than the upper port of external flow guiding cylinder 3；The inner chamber of housing is provided with and extends downward the center material pipe 6 below inner draft tube 5 along axis, the upper end of center material pipe 6 is connected with PTA charging aperture 1a, the lower end of center material pipe 6 connects with the center of right-angled intersection pipe 7, four arms of right-angled intersection pipe 7 are positioned at same horizontal plane, four arms outlet between external flow guiding cylinder and inner draft tube annulus lower section and in centrosymmetric mode to the same side arc transition bending；The top of housing is additionally provided with annulus between ethylene glycol import 1b, ethylene glycol import 1b alignment external flow guiding cylinder 3 and inner draft tube 5.
Ethylene glycol enters esterifying kettle from ethylene glycol import 1b, PTA powder in PTA powder material tank enters PTA feed pipe 1a under the jet action of nitrogen simultaneously, center material pipe 6 is entered from PTA charging aperture 1a, owing to the lower end of center material pipe 6 is deep into bottom esterifying kettle, four arms of right-angled intersection pipe 7 are that shape connects, PTA powder simultaneously enters four arms from the center of right-angled intersection pipe 7, owing to the outlet of four arms is to the same side bending, circulation is formed at esterifying kettle inner chamber with the PTA powder of nitrogen ejection, between external flow guiding cylinder 3 and inner draft tube 5, annulus forms stirring with ethylene glycol, nitrogen moves upward after flowing out and forms secondary agitation again, ensure that PTA powder and ethylene glycol are thoroughly mixed uniformly；At high temperature PTA powder and ethylene glycol generation esterification, the horizontal vortex shape of material formation in nitrogen injects still, material material within inner draft tube under the thermal convection current double action of nitrogen and heating coil is descending simultaneously, material between inner draft tube 5 and external flow guiding cylinder 3 moves upward, form the state of inner-outer circulation, along with material constantly enters, the material reacted enters discharging annular groove 4 from the external flow guiding cylinder material outlet 3a of external flow guiding cylinder 3, reaction is continued during flowing thoroughly under the heating of heating agent in heating jacket, last esterification material outlet 1d bottom discharging annular groove 4 discharges.This esterifying kettle eliminates PTA powder and ethylene glycol and is pre-mixed the operation of making beating, and is automatically obtained stirring, it is not necessary to arranges agitating device, simplifies technique, saved energy consumption, reduces the fault rate of equipment, improve production efficiency.
The axis of four branch outlet of right-angled intersection pipe 7 axis with institute connecting branch respectively is 90 °, and each branch outlet is cut by the perpendicular of the center of mistake material pipe 6 axis respectively and forms slant cutting edge.PTA powder is downwardly into the center of right-angled intersection pipe 7 along center material pipe 6, from the center of right-angled intersection pipe 7, four direction flows into four arms simultaneously again, then turn to the tangential direction along same circumference spray, the circular motion making stream intersects with moving upward of nitrogen, can play best mixing effect.
External flow guiding cylinder material outlet 3a extends vertically downwards along the full-height direction of external flow guiding cylinder, and the inner chamber of discharging annular groove 4 is provided with radially diaphragm 4a, external flow guiding cylinder material outlet 3a and esterification material outlet 1d and lays respectively at the both sides of radially diaphragm 4a.Radially esterification material outlet 1d is separated by diaphragm 4a with external flow guiding cylinder material outlet 3a, there is short stream in the material being possible to prevent in discharging annular groove 4, material is made to have the stroke of maximum in discharging annular groove 4, material enters the form after discharging annular groove 4 in laminar flow, round along cylinder inboard wall, material continues heated chuck 2 during advancing and heats, and finally flows out from esterification material outlet 1d, and this structure extends the material heat time in esterifying kettle.
Between external flow guiding cylinder 3 and inner draft tube 5, annulus is provided with many group heating medium for heating coil pipes 8, and often group heating medium for heating coil pipe 8 is respectively equipped with heating coil Heating medium 8a and heating coil heating agent outlet 8b.PTA powder and ethylene glycol between external flow guiding cylinder 3 and inner draft tube 5 in annulus while stirring, heated by heating medium for heating coil pipe 8, and can need to determine to put into the group number of heating medium for heating coil pipe 8 that heat according to technique.
The heating jacket lower end of housing bottom is provided with heating jacket Heating medium 2a at the bottom of shell, and the heating jacket upper end of housing bottom is provided with heating jacket heating agent outlet 2b at the bottom of shell；The heating jacket lower end of housing barrel is provided with barrel heating jacket Heating medium 2c, and the heating jacket upper end of housing barrel is provided with barrel heating jacket heating agent outlet 2d.Heating jacket Heating medium 2a at the bottom of the shell that heating agent can be held under shell enters heating jacket at the bottom of shell, flows out from heating jacket heating agent outlet 2b at the bottom of the shell of upper end at the bottom of shell；Barrel heating jacket Heating medium 2c from barrel lower end enters barrel heating jacket, and the barrel heating jacket heating agent outlet 2d from barrel upper end flows out, and both can independently be controlled.
Housing bottom is provided with temperature-measuring port 1g and interface of the level gauge 1f, and housing bottom center is provided with discharging hole 1e, and the top of housing is provided with pressure tap 1h.Temperature-measuring port 1g can detect the temperature of charge of esterifying kettle inner chamber, and pressure tap 1h can detect the pressure of esterifying kettle inner chamber, and interface of the level gauge 1f is easy to control the liquid level of esterifying kettle materials inside.
The foregoing is only the preferable possible embodiments of the utility model, non-therefore limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other embodiments.The technical scheme that all employing equivalents or equivalent transformation are formed, all falls within the protection domain of the utility model requirement.The utility model can pass through or use prior art to realize without the technical characteristic described, and does not repeats them here.
Claims (6)
1. the esterifying kettle of an automatic stirring, including housing, the periphery of described housing is provided with heating jacket, the top of housing is provided with PTA charging aperture and gaseous phase outlet, the bottom of described housing is provided with esterification material outlet, it is characterized in that: the inner wall lower of described housing is provided with circumferentially and the external flow guiding cylinder of upper end open, discharging annular groove is formed between described external flow guiding cylinder and inner walls, described external flow guiding cylinder is provided with external flow guiding cylinder material outlet and communicates with described discharging annular groove, and the bottom of described discharging annular groove communicates with described esterification material outlet；The inner chamber of described external flow guiding cylinder is provided with the inner draft tube of line coaxially therewith, and the upper port of described inner draft tube is less than the upper port of external flow guiding cylinder；The inner chamber of described housing is provided with and extends downward the center material pipe below inner draft tube along axis, the upper end of described center material pipe is connected with described PTA charging aperture, the lower end of described center material pipe connects with the center of right-angled intersection pipe, four arms of described right-angled intersection pipe are positioned at same horizontal plane, four arms outlet between external flow guiding cylinder and inner draft tube annulus lower section and in centrosymmetric mode to the same side arc transition bending；The top of described housing is additionally provided with ethylene glycol import, and described ethylene glycol import is directed at annulus between described external flow guiding cylinder and inner draft tube.
The esterifying kettle of automatic stirring the most according to claim 1, it is characterized in that: the axis of four branch outlet of described right-angled intersection pipe axis with institute connecting branch respectively is 90 °, and each described branch outlet is cut by the perpendicular of the center of mistake material pipe axis respectively and forms slant cutting edge.
The esterifying kettle of automatic stirring the most according to claim 1, it is characterized in that: described external flow guiding cylinder material outlet extends vertically downwards along the full-height direction of described external flow guiding cylinder, the inner chamber of described discharging annular groove is provided with radially diaphragm, and described external flow guiding cylinder material outlet and described esterification material outlet lay respectively at the both sides of described radial direction diaphragm.
The esterifying kettle of automatic stirring the most according to claim 1, it is characterized in that: between described external flow guiding cylinder and inner draft tube, annulus is provided with many group heating medium for heating coil pipes, and often group heating medium for heating coil pipe is respectively equipped with heating coil Heating medium and the outlet of heating coil heating agent.
The esterifying kettle of automatic stirring the most according to claim 1, it is characterised in that: the heating jacket lower end of described housing bottom is provided with heating jacket Heating medium at the bottom of shell, and the heating jacket upper end of described housing bottom is provided with heating jacket heating agent outlet at the bottom of shell；The heating jacket lower end of described housing barrel is provided with barrel heating jacket Heating medium, and the heating jacket upper end of described housing barrel is provided with the outlet of barrel heating jacket heating agent.
The esterifying kettle of automatic stirring the most according to any one of claim 1 to 5, it is characterised in that: described housing bottom is provided with temperature-measuring port and interface of the level gauge, and described housing bottom center is provided with discharging hole, and the top of described housing is provided with pressure tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620089813.7U CN205517782U (en) | 2016-01-29 | 2016-01-29 | Automatic esterifying kettle of stirring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620089813.7U CN205517782U (en) | 2016-01-29 | 2016-01-29 | Automatic esterifying kettle of stirring |
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| CN205517782U true CN205517782U (en) | 2016-08-31 |
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| CN201620089813.7U Active CN205517782U (en) | 2016-01-29 | 2016-01-29 | Automatic esterifying kettle of stirring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111778583A (en) * | 2020-07-02 | 2020-10-16 | 浙江金旗新材料科技有限公司 | Preparation method of antibacterial polyester DTY (draw textured yarn) |
| CN112791675A (en) * | 2020-12-29 | 2021-05-14 | 中国纺织科学研究院有限公司 | Continuous production system and preparation method of biodegradable copolyester and copolyester |
-
2016
- 2016-01-29 CN CN201620089813.7U patent/CN205517782U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111778583A (en) * | 2020-07-02 | 2020-10-16 | 浙江金旗新材料科技有限公司 | Preparation method of antibacterial polyester DTY (draw textured yarn) |
| CN111778583B (en) * | 2020-07-02 | 2022-08-30 | 浙江金旗新材料科技有限公司 | Preparation method of antibacterial polyester DTY (draw textured yarn) |
| CN112791675A (en) * | 2020-12-29 | 2021-05-14 | 中国纺织科学研究院有限公司 | Continuous production system and preparation method of biodegradable copolyester and copolyester |
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Legal Events
| Date | Code | Title | Description |
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| 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: 225009 No. 301 Wangjiang Road, Yangzhou economic and Technological Development Zone, Jiangsu, China Patentee after: Yangzhou Huitong chemical Polytron Technologies Inc Address before: 225009 No. 301 Wangjiang Road, Yangzhou economic and Technological Development Zone, Jiangsu, China Patentee before: Open chemical industry technological Co., Ltd. of the favor of Yangzhou |
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| CP01 | Change in the name or title of a patent holder |
Address after: No. 301, Wangjiang Road, economic and Technological Development Zone, Yangzhou City, Jiangsu Province Patentee after: Yangzhou Huitong Technology Co.,Ltd. Address before: No. 301, Wangjiang Road, economic and Technological Development Zone, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU HUITONG CHEMICAL TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |