CN206334375U - A kind of polyalcohol recovery system - Google Patents
A kind of polyalcohol recovery system Download PDFInfo
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- CN206334375U CN206334375U CN201621392238.4U CN201621392238U CN206334375U CN 206334375 U CN206334375 U CN 206334375U CN 201621392238 U CN201621392238 U CN 201621392238U CN 206334375 U CN206334375 U CN 206334375U
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- polyalcohol
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- recovery system
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Abstract
The utility model discloses a kind of polyalcohol recovery system, includes evaporator, the first vertical still tower, distillation still, the second vertical still tower, condenser, waste water tank and polyalcohol storage tank；The charging aperture of first vertical still tower is connected with the discharging opening of evaporator, the discharging opening of first vertical still tower is connected by the first pipeline with the charging aperture of distillation still, the charging aperture of second vertical still tower is connected with the discharging opening of distillation still, condenser is located at the top of the second vertical still tower, the discharging opening of second vertical still tower is connected by the second pipeline with the charging aperture of condenser, and the discharging opening of condenser is connected with waste water tank, polyalcohol storage tank respectively by the 3rd pipeline, the 4th pipeline.The utility model can make contaminated polyalcohol realize that purification is reclaimed by secondary distillation under vacuum or condition of normal pressure well, enable circular regeneration and use, advantageously reduce production cost, effectively improve economic benefit.
Description
Technical field
The utility model belongs to environmentally friendly recovery system technical field, and in particular to a kind of polyalcohol recovery system.
Background technology
Polyester (Polyester) is class polymer containing ester functional groups on its main chain.Wherein, the depolymerization of polyester
With polycondensation in chemical process it is very common, the two belongs to chemical reaction, and is both needed to use polyalcohol.It is specific next
Say, in the depolymerization and polycondensation reaction system of polyester, polyalcohol or as auxiliary material, or as solvent, or as coolant,
But, in use, polyalcohol is easy to be polluted by the subsidiary other impurity of process, causes its purity to decline, form and aspect become
Difference, and it is contaminated with solid impurity.Generally, the impurity of thick polyalcohol mainly has water, fusel, oligomer etc..
Therefore, seek a kind of suitable method or process system to carry out purification recovery to contaminated polyalcohol, be allowed to
Close to or up primary polyalcohol quality level with can circular regeneration use, as instantly urgent need.
Utility model content
In order to overcome above-mentioned technological deficiency, the utility model provides a kind of efficient polyalcohol recovery system, and it can be with
Contaminated polyalcohol is realized purification under vacuum or condition of normal pressure well, enable circular regeneration and use, be conducive to
Production cost is reduced, is increased economic efficiency.
In order to solve the above problems, the utility model is achieved by following technical scheme：
A kind of polyalcohol recovery system,
Include evaporator, the first vertical still tower, distillation still, the second vertical still tower, condenser, waste water tank and polynary
Alcohol storage tank；
The charging aperture of the first vertical still tower is connected with the discharging opening of the evaporator, the first vertical still tower
Discharging opening connected by the first pipeline with the charging aperture of the distillation still, the charging aperture of the second vertical still tower with it is described
The discharging opening connection of distillation still, the condenser is located at the top of the second vertical still tower, the second vertical still tower
Discharging opening connected by the second pipeline with the charging aperture of the condenser, the discharging opening of the condenser by the 3rd pipeline,
4th pipeline is connected with the waste water tank, the polyalcohol storage tank respectively.
Further, the charging aperture and discharging opening of the evaporator are respectively positioned on the top of the evaporator, and described first stands
Formula destilling tower is located at the top of the evaporator.
Further, the charging aperture and discharging opening of the distillation still are respectively positioned on the top of the distillation still, and described second stands
Formula destilling tower is located at the top of the distillation still.
Further, the bottom of the evaporator is provided with object-discharging pipe, and the object-discharging pipe is provided with the first stop valve.
Further, the bottom of the waste water tank is provided with drainpipe, and the drainpipe is provided with the second stop valve.
Further, the bottom of the polyalcohol storage tank is provided with discharging tube, and the discharging tube is provided with the 3rd stop valve.
Further, first pipeline is provided with the 4th stop valve, and second pipeline is provided with the 5th stop valve, institute
The 3rd pipeline is stated provided with the 6th stop valve, the 4th pipeline is provided with the 7th stop valve.
Further, the evaporator, the first vertical still tower, the distillation still, the second vertical still tower,
The condenser, the waste water tank, the polyalcohol storage tank are made by low-alloy steel material.
Further, the low-alloy steel material is Q345R steel or Q345 steel.
Further, first pipeline, second pipeline, the 3rd pipeline and the 4th pipeline are by stainless
Steel material is made.
Compared with prior art, the beneficial effects of the utility model are：
(1) a kind of polyalcohol recovery system that the utility model is provided, is provided with evaporator interconnected successively, first
Vertical still tower, distillation still, the second vertical still tower and condenser.Based on this, contaminated polyalcohol is injected into the polyalcohol
In recovery system, it can carry out two-step distillation to realize that purification is reclaimed under vacuum or condition of normal pressure, specifically, dirty
The polyalcohol of dye separates different components successively according to the difference of boiling point, and finally all impurity that thick polyalcohol contains all are divided
From and discharge so that realize polyalcohol purification reclaim and recycle, enable return auxiliary material (or solvent, coolant) work
Sequence, is used as qualified material.Therefore, the utility model significantly reduces production cost, effectively increases economic benefit,
With very important economic implications.
(2) in a kind of polyalcohol recovery system provided for the utility model, its whole operation process based on distillation,
So as to effectively reduce the use of kinetic pump, it is very beneficial for reducing power consumption.
In summary, a kind of polyalcohol recovery system that the utility model is provided, is highly suitable for the depolymerization and contracting of polyester
Consor is produced.Therefore, the utility model has boundless market prospects in the technical fields such as chemical industry, environmental protection.
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 polyalcohol recovery system described in the utility model.
Description of symbols：
101st, evaporator；1011st, the discharging opening of evaporator；1012nd, the charging aperture of evaporator；102nd, the first vertical still
Tower；1021st, the charging aperture of the first vertical still tower；1022nd, the discharging opening of the first vertical still tower；103rd, distillation still；1031st, steam
Evaporate the charging aperture of kettle；1032nd, the discharging opening of distillation still；104th, the second vertical still tower；1041st, the charging of the second vertical still tower
Mouthful；1042nd, the discharging opening of the second vertical still tower；105th, condenser；1051st, the charging aperture of condenser；1052nd, condenser goes out
Material mouth；106th, waste water tank；107th, polyalcohol storage tank；108th, the first pipeline；109th, the second pipeline；110th, the 3rd pipeline；111st,
Four pipelines；112nd, object-discharging pipe；113rd, the first stop valve；114th, drainpipe；115th, the second stop valve；116th, discharging tube；117th,
Three stop valves；118th, the 4th stop valve；119th, the 5th stop valve；120th, the 6th stop valve；121st, the 7th stop valve.
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.
The utility model discloses a kind of polyalcohol recovery system, as shown in figure 1, it is vertical to include evaporator 101, first
Destilling tower 102, distillation still 103, the second vertical still tower 104, condenser 105, waste water tank 106 and polyalcohol storage tank 107.
Wherein, the charging aperture 1021 of the first vertical still tower 102 is connected with the discharging opening 1011 of evaporator 101, and first stands
The discharging opening 1022 of formula destilling tower 102 is connected by the first pipeline 108 with the charging aperture 1031 of distillation still 103, the second vertical type steaming
Evaporate the charging aperture 1041 of tower 104 to connect with the discharging opening 1032 of distillation still 103, condenser 105 is located at the second vertical still tower 104
Top, the discharging opening 1042 of the second vertical still tower 104 connected by the charging aperture 1051 of the second pipeline 109 and condenser 105
Logical, the discharging opening 1052 of condenser 1051 is stored up with waste water tank 106, polyalcohol respectively by the 3rd pipeline 110, the 4th pipeline 111
Tank 107 is connected.
Based on above-mentioned structure design, polyalcohol recovery system described in the utility model is realized to contaminated polynary
The two-step distillation of alcohol, is finally completed purification and reclaims, enable to be recycled, detailed process is as follows：
(1) first order is distilled：Contaminated polyalcohol is injected to the charging aperture 1012 of evaporator 101, evaporator 101 is quilt
The polyalcohol of pollution is divided into light component and heavy constituent；Light component is low-boiling-point substance (including water and polyalcohol), and it is logical with gas phase
Cross the top of the first vertical still tower 102 and enter distillation still 103；Restructuring is divided into high-boiling components (including fusel and oligomer), its
It will be stranded in evaporator 101, and periodically discharge.
(2) second level is distilled：There is the characteristic of different boiling according to heterogeneity, into distillation still 103 light component according to
It is secondary by distillation still 103, the further separated of the second vertical still tower 104, the water separated is cooled down by condenser 105
After become liquid into waste water tank 106；With the propulsion of boiling range, the water in distillate is fewer and feweri, when close to no water outlet
During situation, polyalcohol fraction is transferred to, so as to finally realize the purifying of polyalcohol.
Therefore, polyalcohol recovery system described in the utility model can make contaminated polyalcohol in vacuum well or
Purification is realized under condition of normal pressure, enables circular regeneration and uses, excellent characteristics are waited with energy-efficient.
As a kind of embodiment, the charging aperture 1012 and discharging opening 1011 of evaporator 101 are respectively positioned on the top of evaporator 101
Portion, the first vertical still tower 102 is located at the top of evaporator 101, so that the separated of first order distillation is better.
In the above-described embodiments, the charging aperture 1031 and discharging opening 1032 of distillation still 103 are respectively positioned on the top of distillation still 103
Portion, the second vertical still tower 104 is located at the top of distillation still 103, so that the separated of second level distillation is better.
In the above-described embodiments, the bottom of evaporator 101 is provided with object-discharging pipe 112, contaminated polynary for periodically discharging
The heavy constituent of alcohol；Object-discharging pipe 112 is provided with the first stop valve 113, effectively to be controlled to the circulation status in object-discharging pipe 112
System.
In the above-described embodiments, the bottom of waste water tank 106 is provided with drainpipe 114, in regular waste discharge tank 106
Waste water；Drainpipe 114 is provided with the second stop valve 115, to be control effectively to the circulation status in drainpipe 114.
In the above-described embodiments, the bottom of polyalcohol storage tank 107 is provided with discharging tube 116, for reclaiming polyalcohol storage tank 107
In purifying polyalcohol；Discharging tube 116 is provided with the 3rd stop valve 117, with to the circulation status in discharging tube 116
It control effectively.
In the above-described embodiments, the first pipeline 108 is provided with the 4th stop valve 118, with to the circulation in the first pipeline 108
State is controlled；Second pipeline 109 is provided with the 5th stop valve 119, to be controlled to the circulation status in the second pipeline 109
System；3rd pipeline 110 is provided with the 6th stop valve 120, to be controlled to the circulation status in the 3rd pipeline 110；4th pipe
Road 111 is provided with the 7th stop valve 121, to be controlled to the circulation status in the 4th pipeline 111.
In the above-described embodiments, evaporator 101, the first vertical still tower 102, distillation still 103, the second vertical still tower
104th, condenser 105, waste water tank 106 and polyalcohol storage tank 107 are made by low-alloy steel material so that described in the utility model
The polyalcohol recovery system excellent specific property such as have corrosion-resistant, wear-resisting, low temperature resistant, cutting ability and welding performance good.Due to
Q345R steel or Q345 steel prepare material for what chemical industry equipment was commonly used, and purchase cost is low, therefore, more specifically, in the present embodiment
In, the selection of low-alloy steel material is Q345R steel or Q345 steel.
In the above-described embodiments, the first pipeline 108, the second pipeline 109, the 3rd pipeline 110 and the 4th pipeline 111 be not by
Rust Steel material is made, and makes it have extremely strong corrosion resistance, is effectively improved the reliability of the polyalcohol recovery system.When
So, in the utility model, the first pipeline 108, the second pipeline 109, the 3rd pipeline 110 and the 4th pipeline 111 prepare material
And being limited to this, such as it is made up in which can also deteriorate of carbon steel material, and similar change belongs to equivalent protection of the present utility model
Scope.
A kind of other structures of polyalcohol recovery system are referring to prior art disclosed in the utility model.
A kind of polyalcohol recovery system disclosed in the utility model, can make contaminated thick polyalcohol meet distillation technique
In the case of condition, realize high efficiente callback and recycle, and easily operated, thus be effectively improved polyester depolymerization and
The production efficiency of polycondensation, and power consumption is considerably reduced, production cost is advantageously reduced, with good practical function.
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 polyalcohol recovery system, it is characterised in that：
Include evaporator, the first vertical still tower, distillation still, the second vertical still tower, condenser, waste water tank and polyalcohol storage
Tank；
The charging aperture of the first vertical still tower connects with the discharging opening of the evaporator, and the first vertical still tower goes out
Material mouth is connected by the first pipeline with the charging aperture of the distillation still, the charging aperture of the second vertical still tower and the distillation
The discharging opening connection of kettle, the condenser is located at the top of the second vertical still tower, and the second vertical still tower goes out
Material mouth is connected by the second pipeline with the charging aperture of the condenser, and the discharging opening of the condenser passes through the 3rd pipeline, the 4th
Pipeline is connected with the waste water tank, the polyalcohol storage tank respectively.
2. polyalcohol recovery system according to claim 1, it is characterised in that：The charging aperture and discharging opening of the evaporator
The top of the evaporator is respectively positioned on, the first vertical still tower is located at the top of the evaporator.
3. polyalcohol recovery system according to claim 2, it is characterised in that：The charging aperture and discharging opening of the distillation still
The top of the distillation still is respectively positioned on, the second vertical still tower is located at the top of the distillation still.
4. the polyalcohol recovery system according to Claims 2 or 3, it is characterised in that：The bottom of the evaporator is provided with row
Property management, the object-discharging pipe is provided with the first stop valve.
5. the polyalcohol recovery system according to any one of claims 1 to 3, it is characterised in that：The bottom of the waste water tank
Provided with drainpipe, the drainpipe is provided with the second stop valve.
6. the polyalcohol recovery system according to any one of claims 1 to 3, it is characterised in that：The polyalcohol storage tank
Bottom is provided with discharging tube, and the discharging tube is provided with the 3rd stop valve.
7. the polyalcohol recovery system according to any one of claims 1 to 3, it is characterised in that：Set on first pipeline
There is the 4th stop valve, second pipeline is provided with the 5th stop valve, the 3rd pipeline is provided with the 6th stop valve, described the
Four pipelines are provided with the 7th stop valve.
8. the polyalcohol recovery system according to any one of claims 1 to 3, it is characterised in that：The evaporator, described
One vertical still tower, the distillation still, the second vertical still tower, the condenser, the waste water tank, polyalcohol storage
Tank is made by low-alloy steel material.
9. polyalcohol recovery system according to claim 8, it is characterised in that：The low-alloy steel material is Q345R steel
Or Q345 steel.
10. the polyalcohol recovery system according to any one of claims 1 to 3, it is characterised in that：First pipeline, institute
The second pipeline, the 3rd pipeline and the 4th pipeline is stated to be made by stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621392238.4U CN206334375U (en) | 2016-12-16 | 2016-12-16 | A kind of polyalcohol recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621392238.4U CN206334375U (en) | 2016-12-16 | 2016-12-16 | A kind of polyalcohol recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206334375U true CN206334375U (en) | 2017-07-18 |
Family
ID=59300751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621392238.4U Active CN206334375U (en) | 2016-12-16 | 2016-12-16 | A kind of polyalcohol recovery system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206334375U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108441251A (en) * | 2018-03-28 | 2018-08-24 | 商丘中清环保科技有限公司 | Cryogenic distillation process |
| CN108441252A (en) * | 2018-03-28 | 2018-08-24 | 商丘中清环保科技有限公司 | Cryogenic distillation apparatus |
-
2016
- 2016-12-16 CN CN201621392238.4U patent/CN206334375U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108441251A (en) * | 2018-03-28 | 2018-08-24 | 商丘中清环保科技有限公司 | Cryogenic distillation process |
| CN108441252A (en) * | 2018-03-28 | 2018-08-24 | 商丘中清环保科技有限公司 | Cryogenic distillation apparatus |
| CN108441251B (en) * | 2018-03-28 | 2021-02-23 | 商丘中清环保科技有限公司 | Cryogenic distillation process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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.: X2023980035034 Denomination of utility model: A Polyol Recovery System Granted publication date: 20170718 License type: Exclusive License Record date: 20230424 |
|
| EE01 | Entry into force of recordation of patent licensing contract |