CN106807318A - Without stirring PET batch condensation polymerization reactors - Google Patents
Without stirring PET batch condensation polymerization reactors Download PDFInfo
- Publication number
- CN106807318A CN106807318A CN201710167644.3A CN201710167644A CN106807318A CN 106807318 A CN106807318 A CN 106807318A CN 201710167644 A CN201710167644 A CN 201710167644A CN 106807318 A CN106807318 A CN 106807318A
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- CN
- China
- Prior art keywords
- reactor body
- condensation polymerization
- reactor
- polymerization reactors
- charging aperture
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- 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.)
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Classifications
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- 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
- B01J19/0053—Details of the reactor
-
- 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
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2455—Stationary reactors without moving elements inside provoking a loop type movement of the reactants
- B01J19/2465—Stationary reactors without moving elements inside provoking a loop type movement of the reactants externally, i.e. the mixture leaving the vessel and subsequently re-entering it
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
The present invention relates to one kind without stirring PET batch condensation polymerization reactors, including cylindrical reactor body, reactor body is include inner cylinder and outer barrel jacket structured, reactor bodies top is ellipse head, ellipse head is provided with manhole and charging aperture, reactor body side is provided with bearing, vacuum port is additionally provided with side, sleeve pipe and temperature-measuring port are provided with reactor body lower part, reactor body bottom end is conical head, conical head bottom is discharging opening, reactor body interior is provided with baffle plate, baffle plate bottom is provided with circular distribution plate, circular distribution plate is provided with multiple holes, discharging opening connects circulating pump, the circulating pump other end is connected at charging aperture.The small molecule that apparatus of the present invention are generated when polycondensation reaction is easier volatilization removing, is to increase specific surface area by the very thin post liquid of diameter or post bar to realize, can shorten the reaction time, reaction speed is faster.
Description
Technical field
The present invention relates to PET slicing devices field, more particularly, to one kind without stirring PET batch condensation polymerization reactors.
Background technology
Batch condensation polymerization reactor in current semicontinuous PET polyesters device typically uses vertical mixing form, by stirring
The micromolecular compound for generating reaction（Such as：Ethylene glycol, moisture content, acetaldehyde etc.）Taken off in time by vacuum system from reaction solution
Remove, so that polymerisation is carried out to positive direction, the final polymer for obtaining HMW (see Fig. 1).
The weak point of existing polycondensation device：
1）The molecule of reaction solution inside generation is moved to reaction solution surface by then passing through stirring could react the small of generation
Molecule is removed, and also has substantial portion of small molecule to have no chance to move to the surface of reaction solution so that cannot in whipping process
Remove, cause reaction speed slow, unit efficiency is low；
2）Because reactor is with stirring, energy consumption is on the one hand produced, another aspect device fabrication is also more complicated, increases equipment system
Cause this.
The content of the invention
Present invention seek to address that drawbacks described above, there is provided a kind of energy saving without stirring PET batch condensation polymerization reactors.
In order to overcome defect present in background technology, the technical solution adopted for the present invention to solve the technical problems to be：
Without stirring PET batch condensation polymerization reactors, including cylindrical reactor body, the reactor body is to include inner cylinder and outer barrel to one kind
Jacket structured, reactor bodies top is ellipse head, and the ellipse head is provided with manhole and charging aperture, the reactor sheet
Side side is provided with bearing, and side is provided with vacuum port, sleeve pipe and temperature-measuring port, reactor sheet are provided with the reactor body lower part
Body bottom end is conical head, and conical head bottom is discharging opening, and the reactor body interior is provided with baffle plate, under the baffle plate
Portion is provided with circular distribution plate, and the circular distribution plate is provided with multiple holes, and the discharging opening connects circulating pump, the circulating pump other end
It is connected at charging aperture.
In a preferred embodiment of the invention, in order to evenly distributed after feeding, charging aperture is arranged in ellipse head
At the heart.
In a preferred embodiment of the invention, in order to feed Quick uniform, connected vertically by feed pipe at charging aperture
It is connected at baffle plate.
In a preferred embodiment of the invention, circular distribution plate is run through in hole, and is set in up big and down small funnel-form, side
Just reaction solution is formed into post drop.
In a preferred embodiment of the invention, baffle plate and circular distribution plate are movably arranged in reactor, convenient
Change and maintenance baffle plate and circular distribution plate.
The beneficial effects of the invention are as follows：（1）The small molecule of polycondensation reaction generation is easier volatilization removing.Apparatus of the present invention are
Increase specific surface area by the very thin post liquid of diameter or post bar to realize, and existing apparatus make small molecule from reaction by stirring
The interior shifting of liquid is to the surface of reaction solution, and specific surface is small.And the present invention is compared with prior art, the reaction time can be shortened.Cause
Easily removed by the small molecule that production is reacted after the present apparatus, so reaction speed is faster.
（2）Can energy saving.Apparatus of the present invention do not use whipped form and use circulation form, and the power of stirring motor
Power than circulating pump is much bigger.
（3）Manufacturing cost can be saved.Apparatus of the present invention structure is simpler than prior-art devices, low cost of manufacture.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is existing polycondensation apparatus structure schematic diagram；
Fig. 2 is structural representation of the invention；
Fig. 3 is flowage structure schematic diagram of the present invention；
Fig. 4 is circular distribution plate structure schematic diagram；
Fig. 5 is the structural representation in hole on circular distribution plate.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
It is a kind of without stirring PET batch condensation polymerization reactors, including cylindrical reactor body 1, the reaction as shown in Figures 2 to 5
Kettle body 1 is include inner cylinder 2 and outer barrel 3 jacket structured, convenient in the jacket structured injection heating agent of reactor body, reactor sheet
Body top is ellipse head 4, and ellipse head 4 is provided with manhole 5 and charging aperture 6, and reactor body side is provided with bearing 7, convenient
Install, vacuum port 8 is additionally provided with side, the convenient small molecule that generation will be reacted in reaction solution is discharged from reactor, reactor
Sleeve pipe 9 and temperature-measuring port 10 are provided with the bottom of body 1, it is convenient that monitor in real time, reactor are carried out to the reacting liquid temperature in reactor
The bottom end of body 1 is conical head 11, and the bottom of conical head 11 is discharging opening 12, and baffle plate 13, institute are provided with inside reactor body 1
State the bottom of baffle plate 13 and be provided with circular distribution plate 14, the circular distribution plate 14 is provided with multiple holes 15, the connection circulation of discharging opening 12
Pump 16, the other end of circulating pump 16 is connected at charging aperture 6.
Charging aperture is arranged on ellipse head center, and is connected at baffle plate vertically by feed pipe at charging aperture, convenient
Reaction solution is rapidly and uniformly distributed on baffle plate, is subsequently evenly distributed on circular distribution plate so as to reaction solution.
Hole is circle, through circular distribution plate, and is set in up big and down small funnel-form, facilitates reaction solution to form post and drips.
In order to repair and change conveniently, baffle plate and circular distribution plate can be movably arranged on instead by buckle or other modes
Answer in kettle.
Circular distribution plate is set up inside polycondensation vessel in the present invention and by the way of Matter Transfer come work, due to increasing
The specific surface area of reaction solution, so that the small molecule of reaction generation can be removed in time.
Reaction solution（Esterifying liquid）After into reactor body by the circular port of the circular distribution plate in distribution system by its
Formed under post drip, after a collection of reaction solution fully enters polycondensation vessel, open the circulation pump makes reaction solution repetitive cycling.In circulation
During reaction solution post must be formed by circular distribution plate and drip, react the small molecule for the producing just abjection from post drop, and from true
Eat dishes without rice or wine to discharge.Circulation can be stopped when reaction solution reaches the degree of polymerization of requirement, opening is led to the valve of pelletizing, carries out pelletizing.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (5)
1. one kind is without stirring PET batch condensation polymerization reactors, it is characterised in that：Including cylindrical reactor body, the reactor body
Be include inner cylinder and outer barrel jacket structured, reactor bodies top is ellipse head, the ellipse head be provided with manhole and
Charging aperture, the reactor body side is provided with bearing, and vacuum port is additionally provided with side, is provided with the reactor body lower part
Sleeve pipe and temperature-measuring port, reactor body bottom end are conical head, and conical head bottom is discharging opening, in the reactor body
Portion is provided with baffle plate, and the baffle plate bottom is provided with circular distribution plate, and the circular distribution plate is provided with multiple holes, and the discharging opening connects
Circulating pump is connect, the circulating pump other end is connected at charging aperture.
2. according to claim 1 without stirring PET batch condensation polymerization reactors, it is characterised in that：The charging aperture is arranged on oval envelope
Head center.
3. according to claim 1 without stirring PET batch condensation polymerization reactors, it is characterised in that：Pass through feed pipe at the charging aperture
It is connected at baffle plate vertically.
4. according to claim 1 without stirring PET batch condensation polymerization reactors, it is characterised in that：Circular distribution plate is run through in the hole, and
Set in up big and down small funnel-form.
5. according to claim 1 without stirring PET batch condensation polymerization reactors, it is characterised in that：The baffle plate and circular distribution plate are equal
It is movably arranged in reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167644.3A CN106807318A (en) | 2017-03-21 | 2017-03-21 | Without stirring PET batch condensation polymerization reactors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167644.3A CN106807318A (en) | 2017-03-21 | 2017-03-21 | Without stirring PET batch condensation polymerization reactors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106807318A true CN106807318A (en) | 2017-06-09 |
Family
ID=59115501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710167644.3A Pending CN106807318A (en) | 2017-03-21 | 2017-03-21 | Without stirring PET batch condensation polymerization reactors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106807318A (en) |
-
2017
- 2017-03-21 CN CN201710167644.3A patent/CN106807318A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170609 |