CN206337205U - A kind of waste and old polyester depolymerization processing system - Google Patents
A kind of waste and old polyester depolymerization processing system Download PDFInfo
- Publication number
- CN206337205U CN206337205U CN201621392214.9U CN201621392214U CN206337205U CN 206337205 U CN206337205 U CN 206337205U CN 201621392214 U CN201621392214 U CN 201621392214U CN 206337205 U CN206337205 U CN 206337205U
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- Prior art keywords
- depolymerization
- vertical
- pipeline
- tank
- waste
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- 229920000728 polyester Polymers 0.000 title claims abstract description 51
- 239000002699 waste material Substances 0.000 title claims abstract description 46
- 238000012545 processing Methods 0.000 title claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 43
- 238000010438 heat treatment Methods 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000002904 solvent Substances 0.000 abstract description 9
- 230000008929 regeneration Effects 0.000 abstract description 4
- 238000011069 regeneration method Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 239000003054 catalyst Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 229920006267 polyester film Polymers 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004064 recycling Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 150000003384 small molecules Chemical class 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- QPKOBORKPHRBPS-UHFFFAOYSA-N bis(2-hydroxyethyl) terephthalate Chemical compound OCCOC(=O)C1=CC=C(C(=O)OCCO)C=C1 QPKOBORKPHRBPS-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- FYIBGDKNYYMMAG-UHFFFAOYSA-N ethane-1,2-diol;terephthalic acid Chemical compound OCCO.OC(=O)C1=CC=C(C(O)=O)C=C1 FYIBGDKNYYMMAG-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The utility model discloses a kind of waste and old polyester depolymerization processing system, includes feeding part, vertical depolymerization tank, motor, agitator, discharging pump and thick depolymerization liquid filter；The feeding part is connected with the bottom of the vertical depolymerization tank；The motor is fixedly connected with the agitator, and the motor is located at the top of the vertical depolymerization tank, and the agitator is located at the inside of the vertical depolymerization tank；The arrival end of the discharging pump is connected by the first pipeline with the top of the vertical depolymerization tank；The port of export of the discharging pump is connected by the second pipeline with the thick depolymerization liquid filter.The utility model can enable waste polyester to be able to depolymerization in a solvent by chemical mode so that discarded polyester bottle slice or diaphragm can circular regeneration use, advantageously reduce production cost, increase production capacity, increase economic efficiency.
Description
Technical field
The utility model belongs to environmentally friendly recovery system technical field, and in particular to a kind of waste and old polyester depolymerization processing system.
Background technology
With China's rapid economic development, the new packaging concept of people there occurs huge change, the packing timber used by product
Material is constantly updated, and wherein plastic package material develops most fast, and very important status is gradually occupied in packaging field.
In many plastic package materials, the development of Mylar material is the swiftest and the most violent, and extremely people favor.But, due to polyester
Film is all disposable packaging, and polyester has inertia in itself, then the polyester film discarded enters can not be spontaneous after natural environment
Degraded, causes serious environmental pollution and the wasting of resources, therefore, the meaning of waste and old polyester film recycle and reuse becomes particularly
It is great.However, at present based on polyester reclaiming for physically, but this mode is only suitable for reclaiming waste polyester bottle,
Waste and old polyester film is not appropriate for be reclaimed.
Therefore, a kind of suitable method or process system are sought, it both can carry out recovery and reusing and recycling to waste polyester bottle,
Regeneration can be circulated to waste and old polyester film again to use, as instantly urgent need.
Utility model content
In order to overcome above-mentioned technological deficiency, the utility model provides a kind of efficient waste and old polyester depolymerization processing system,
It enables waste polyester to be able to depolymerization in a solvent by chemical mode, so that discarded polyester bottle slice or diaphragm can
Circular regeneration is used, and advantageously reduces production cost, is increased production capacity, is increased economic efficiency.
In order to solve the above problems, the utility model is achieved by following technical scheme：
A kind of waste and old polyester depolymerization processing system,
Include feeding part, vertical depolymerization tank, motor, agitator, discharging pump and thick depolymerization liquid filter；
The feeding part is connected with the bottom of the vertical depolymerization tank；The motor is fixedly connected with the agitator, institute
The top that motor is located at the vertical depolymerization tank is stated, the agitator is located at the inside of the vertical depolymerization tank；The discharging pump
Arrival end connected by the first pipeline with the top of the vertical depolymerization tank；The port of export of the discharging pump passes through the second pipeline
Connected with the thick depolymerization liquid filter.
Further, heating jacket and heating coil are also included；The heating jacket is fixed and is coated on the vertical solution
The outer wall of poly- tank, the heating coil is fixed at the inwall of the vertical depolymerization tank.
Further, the feeding part includes the first material feeding pump and the 3rd pipeline；The first material feeding pump passes through described
3rd pipeline is connected with the bottom of the vertical depolymerization tank.
Further, the 3rd pipeline is provided with the first stop valve.
Further, the feeding part includes the second material feeding pump, the 3rd material feeding pump, the 4th pipeline and the 5th pipeline；Institute
State the second material feeding pump to connect with the bottom of the vertical depolymerization tank by the 4th pipeline, the 3rd material feeding pump passes through the 5th pipeline
Connected with the bottom of the vertical depolymerization tank.
Further, the 4th pipeline is provided with the second stop valve, and the 5th pipeline is provided with the 3rd stop valve.
Further, the agitator is double blade agitators, the connection of the vertical depolymerization tank and first pipeline
Position is not higher than the position of the top blade of described pair of blade agitator.
Further, the motor is fixedly connected with the agitator by flange-face coupling or box coupling.
Further, the motor is the motor for possessing frequency control function.
Further, the vertical depolymerization tank, the agitator and the thick depolymerization liquid filter are stainless by SUS304
Steel material is made.
Compared with prior art, the beneficial effects of the utility model are：
A kind of waste and old polyester depolymerization processing system that the utility model is provided, include successively interconnected feeding part,
Vertical depolymerization tank, discharging pump and thick depolymerization liquid filter, also include the agitator and motor of interconnection.Wherein, discard poly-
Ester bottle piece or diaphragm (being characterized generally as sheet) and corresponding solvent, catalyst inject vertical depolymerization tank by feeding part
Inside, agitator is located at the inside of vertical depolymerization tank, and it is scattered to be stirred to material that it obtains power by motor so that useless
Abandon polyester bottle slice or diaphragm and abundant depolymerization is realized in solvent and catalyst, the thick depolymerization of small molecule is reduced into by macromolecular solid
Liquid, then separates solid impurity by thick depolymerization liquid filter again, finally realizes the recovery and reusing and recycling of waste and old polyester.Change speech
It, the utility model enables waste polyester depolymerization by chemical mode, so that discarded polyester bottle slice or diaphragm can be followed
Ring regeneration is used, and production cost is significantly reduced, production capacity is dramatically increased, so as to be effectively improved economic benefit.
In summary, a kind of waste and old polyester depolymerization processing system that the utility model is provided, in the technologies such as chemical industry, environmental protection neck
There are boundless market prospects in domain.
Brief description of the drawings
Embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is a kind of structural representation of the waste and old polyester depolymerization processing system described in embodiment 1；
Fig. 2 is a kind of structural representation of the waste and old polyester depolymerization processing system described in embodiment 2.
Description of symbols：
1st, vertical depolymerization tank；2nd, feeding part；21st, the first material feeding pump；22nd, the 3rd pipeline；23rd, the first stop valve；24th, second
Material feeding pump；25th, the 3rd material feeding pump；26th, the 4th pipeline；27th, the 5th pipeline；28th, the second stop valve；29th, the 3rd stop valve；3rd, it is electric
Machine；4th, agitator；5th, discharging pump；51st, the arrival end of discharging pump；52nd, the port of export of discharging pump；6th, thick depolymerization liquid filter；7、
First pipeline；8th, the second pipeline；9th, heating jacket；10th, heating coil；11st, flange-face coupling or box coupling.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment 1
Present embodiment discloses a kind of waste and old polyester depolymerization processing system, as shown in figure 1, including vertical depolymerization tank 1, note
Material portion 2, motor 3, agitator 4, discharging pump 5 and thick depolymerization liquid filter 6.
Feeding part 2 is connected with the bottom of vertical depolymerization tank 1；Motor 3 is fixedly connected with agitator 4, and motor 3 is located at vertical solution
The top of poly- tank 1, agitator 4 is located at the inside of vertical depolymerization tank 1, and it is used to stir the material inside vertical depolymerization tank 1；Discharging
The arrival end 51 of pump 5 is connected by the first pipeline 7 with the top of vertical depolymerization tank 1；The port of export 52 of discharging pump 5 passes through the second pipe
Road 8 is connected with thick depolymerization liquid filter 6.
Based on above-mentioned structure design, the waste and old polyester depolymerization processing system realizes " bottom feed " and " high position goes out
Material ", advantageously ensure that material can fully stay in vertical depolymerization tank 1 inside it is scattered to be sufficiently agitated, while ensuring not
Molten thing can fully be stirred by agitator 4 to be dissipated and is discharged in time with feed liquid, finally realizes that waste polyester bottle chip or diaphragm are filled
Poly- process goal is decomposed, so as to realize recycling.
In the present embodiment, the waste and old polyester depolymerization processing system also includes heating jacket 9 and heating coil 10；Heating
Chuck 9 fixes the outer wall for being coated on vertical depolymerization tank 1, and heating coil 10 is fixed at the inwall of vertical depolymerization tank 1.By introducing
Heating jacket 9 and heating coil 10, improve the temperature of charge inside vertical depolymerization tank 1 so that useless inside vertical depolymerization tank 1
Old polyester bottle slice or diaphragm are more fully dissolved decomposition in a solvent, accelerate the depolymehzation process of polyester.
In the present embodiment, more specifically, as shown in figure 1, feeding part 2 includes the first material feeding pump 21 and the 3rd pipeline
22；First material feeding pump 21 is connected by the 3rd pipeline 22 with the bottom of vertical depolymerization tank 1.Based on the structure design, waste and old polyester
Bottle piece or diaphragm, corresponding solvent and catalyst three are needed first in external mix, and then mixed liquor is carried by the first material feeding pump 21
For power, the unified inside that vertical depolymerization tank 1 is injected by the 3rd pipeline 22.
Wherein, the 3rd pipeline 22 is provided with the first stop valve 23, for controlling the material circulation in the 3rd pipeline 22.
In the present embodiment, the selection of agitator 4 is double blade agitators, the connection position of the vertical pipeline 7 of depolymerization tank 1 and first
Put the position of the top blade of not higher than double blade agitators.Based on the structure design, the upper of double blade agitators can be controlled
Portion's blade is just on liquid level, being more beneficial for being sufficiently stirred for breaing up by the insoluble matter floated on liquid level, and then it is with completing to solve
Poly- thick depolymerization liquid is overflowed from elevated outlet.
In the present embodiment, more specifically, as shown in figure 1, motor 3 is joined with agitator 4 by flange-face coupling or sleeve
Axle device 11 is fixedly connected, so as to effectively ensure the strict centering of the output shaft of drive link and motor 3 of agitator 4 and in work
In do not occur relative displacement so that power transmission effect is more preferably.
In the present embodiment, motor 3 is the motor for possessing frequency control function, is conducive to controlling the stirring speed of agitator 4
Degree, is more beneficial for energy-conservation.Motor 3 is electrically connected with extraneous power supply, and what it was selected is AC380V operating voltage, so that
It turns into the output power source that material dispersion is stirred.
In the present embodiment, vertical depolymerization tank 1, agitator 4 and thick depolymerization liquid filter 6 are by SUS304 stainless steel materials
It is made, makes it have extremely strong corrosion resistance.Certainly, in the utility model, vertical depolymerization tank 1, agitator 4 and thick depolymerization liquid
Filter 6 prepares material and is limited to this, such as it is designed as being made up of low-alloy steel or carbon steel material in which can also deteriorate,
Similar change belongs to equivalent protection scope of the present utility model.
Then, a kind of course of work to the waste and old polyester depolymerization processing system described in the present embodiment is illustrated, as follows：
(1) waste polyester bottle chip or diaphragm, solvent and the catalyst being pre-dissolved are mixed according to a certain ratio, are then passed through
3rd pipeline 22 injects from the bottom of vertical depolymerization tank 1 and gradually up walked, while heating jacket 9 and heating coil 10 are heated to
Design temperature, agitator 4 is scattered to material stirring so that waste polyester bottle chip or diaphragm gradually divide in solvent and catalyst
Thick depolymerization liquid of the solution into small molecule；
(2) the thick depolymerization liquid come out from the top (high position) of vertical depolymerization tank 1 completes to discharge by discharging pump 5, Ran Houyou
Thick depolymerization liquid filter 6 separates solid impurity, finally realizes the recycle and reuse of waste and old polyester.
Embodiment 2
Present embodiment discloses another waste and old polyester depolymerization processing system, itself and the waste and old polyester solution described in embodiment 1
Difference of the poly- processing system in structure is：
As shown in Fig. 2 feeding part 2 includes the second material feeding pump 24, the 3rd material feeding pump 25, the 4th pipeline 26 and the 5th pipeline
27；Second material feeding pump 24 is connected by the 4th pipeline 26 with the bottom of vertical depolymerization tank 1, and the 3rd material feeding pump 25 passes through the 5th pipeline
27 connect with the bottom of vertical depolymerization tank 1.Moreover, the 4th pipeline 26 is provided with the second stop valve 28, for controlling the 4th pipeline
Material circulation in 26；5th pipeline 27 is provided with the 3rd stop valve 29, for controlling the material circulation in the 5th pipeline 27.
Based on this structure design, in a kind of course of work of the waste and old polyester depolymerization processing system, waste and old polyester bottle
Piece or diaphragm individually provide power by the second material feeding pump 24, and the inside of vertical depolymerization tank 1 is then injected by the 4th pipeline 26；
Then both solvent and catalyst provide power by the 3rd material feeding pump 25, pass through the note of the 5th pipeline 27 together first in external mix
Enter the inside of vertical depolymerization tank 1.
A kind of other structures of waste and old polyester depolymerization processing system are referring to prior art disclosed in the utility model.
Waste and old polyester depolymerization processing system disclosed in the utility model, can make by waste and old polyester bottle slice or diaphragm full
In the case of sufficient depolymerization process condition, abundant depolymerization is realized, it is become into small molecule by macromolecular, and be reduced into middle production
The thick BHET of product (ethylene glycol terephthalate), then handled by rear process further to purify, decolourize and purify, finally give
Refined BHET, it is achieved thereby that the high efficiente callback and recycling of waste and old polyester, and the system is easily operated, so that effectively
Production efficiency is improved, production cost is advantageously reduced, and significantly increases production capacity, with good economic, practical effect.
The above, is only preferred embodiment of the present utility model, not makees any formal to the utility model
Limitation, it is therefore every without departing from technical solutions of the utility model content, implement according to technical spirit of the present utility model to more than
Example any modification, equivalent variations and the modification made, in the range of still falling within technical solutions of the utility model.
Claims (10)
1. a kind of waste and old polyester depolymerization processing system, it is characterised in that：
Include feeding part, vertical depolymerization tank, motor, agitator, discharging pump and thick depolymerization liquid filter；
The feeding part is connected with the bottom of the vertical depolymerization tank；The motor is fixedly connected with the agitator, the electricity
Machine is located at the top of the vertical depolymerization tank, and the agitator is located at the inside of the vertical depolymerization tank；The discharging pump enters
Mouth end is connected by the first pipeline with the top of the vertical depolymerization tank；The port of export of the discharging pump passes through the second pipeline and institute
State thick depolymerization liquid filter connection.
2. waste and old polyester depolymerization processing system according to claim 1, it is characterised in that：Also include heating jacket and add
Hot coil；The heating jacket fixes the outer wall for being coated on the vertical depolymerization tank, and the heating coil is fixed at described vertical
The inwall of formula depolymerization tank.
3. waste and old polyester depolymerization processing system according to claim 2, it is characterised in that：The feeding part includes first
Material feeding pump and the 3rd pipeline；The first material feeding pump is connected by the 3rd pipeline with the bottom of the vertical depolymerization tank.
4. waste and old polyester depolymerization processing system according to claim 3, it is characterised in that：3rd pipeline is provided with the
One stop valve.
5. waste and old polyester depolymerization processing system according to claim 2, it is characterised in that：The feeding part includes second
Material feeding pump, the 3rd material feeding pump, the 4th pipeline and the 5th pipeline；The second material feeding pump passes through the 4th pipeline and the vertical depolymerization
The bottom connection of tank, the 3rd material feeding pump is connected by the 5th pipeline with the bottom of the vertical depolymerization tank.
6. waste and old polyester depolymerization processing system according to claim 5, it is characterised in that：4th pipeline is provided with the
Two stop valves, the 5th pipeline is provided with the 3rd stop valve.
7. the waste and old polyester depolymerization processing system according to any one of claim 1~6, it is characterised in that：The agitator
For double blade agitators, the vertical depolymerization tank and the link position of first pipeline are not higher than the described pair of blade agitator
The position of top blade.
8. the waste and old polyester depolymerization processing system according to any one of claim 1~6, it is characterised in that：The motor with
The agitator is fixedly connected by flange-face coupling or box coupling.
9. the waste and old polyester depolymerization processing system according to any one of claim 1~6, it is characterised in that：The motor is
Possesses the motor of frequency control function.
10. the waste and old polyester depolymerization processing system according to any one of claim 1~6, it is characterised in that：The vertical solution
Poly- tank, the agitator and the thick depolymerization liquid filter are made by SUS304 stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621392214.9U CN206337205U (en) | 2016-12-16 | 2016-12-16 | A kind of waste and old polyester depolymerization processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621392214.9U CN206337205U (en) | 2016-12-16 | 2016-12-16 | A kind of waste and old polyester depolymerization processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206337205U true CN206337205U (en) | 2017-07-18 |
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ID=59300890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621392214.9U Active CN206337205U (en) | 2016-12-16 | 2016-12-16 | A kind of waste and old polyester depolymerization processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206337205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283423A (en) * | 2022-08-01 | 2022-11-04 | 江西龙一再生资源有限公司 | Waste polyester depolymerization treatment system |
-
2016
- 2016-12-16 CN CN201621392214.9U patent/CN206337205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283423A (en) * | 2022-08-01 | 2022-11-04 | 江西龙一再生资源有限公司 | Waste polyester depolymerization treatment system |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shuye Aisikai Environmental Protection Materials (Shantou) Co.,Ltd. Assignor: SHUYE ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Contract record no.: X2023980035036 Denomination of utility model: A depolymerization treatment system for waste polyester Granted publication date: 20170718 License type: Exclusive License Record date: 20230424 |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20240329 Granted publication date: 20170718 |