CN110393939A - Precise electronic industry spent glycol depth rectifier unit - Google Patents
Precise electronic industry spent glycol depth rectifier unit Download PDFInfo
- Publication number
- CN110393939A CN110393939A CN201910835796.5A CN201910835796A CN110393939A CN 110393939 A CN110393939 A CN 110393939A CN 201910835796 A CN201910835796 A CN 201910835796A CN 110393939 A CN110393939 A CN 110393939A
- Authority
- CN
- China
- Prior art keywords
- depth
- electronic industry
- precise electronic
- rectifier unit
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
Abstract
A kind of precise electronic industry spent glycol depth rectifier unit of the present invention, it includes a pedestal；One rectifying still, is set on the base, and the bottom of rectifying still is equipped with bottom valve, and top is equipped with inlet valve；One rectifying column is arranged above rectifying still, and filler is equipped in the rectifying column；One liquid distribution trough is arranged above rectifying column；One liquid collecting plate is arranged above liquid distribution trough；One condenser is arranged above liquid collecting plate, and the outlet of condenser is vacuum interface；The outlet of the liquid collecting plate is connect with return pipe, discharge nozzle respectively, and return valve is arranged on the return pipe and accesses liquid distribution trough.The present invention promotes rectification effect, carries out depth rectification and purification to ethylene glycol, controls impurity content, obtain the ethylene glycol product for meeting precise electronic industry requirement.
Description
Technical field
The present invention relates to rectification and purification technical fields more particularly to a kind of precise electronic industry spent glycol depth rectifying to fill
It sets.
Background technique
Ethylene glycol also known as " glycol ", " 1,2- ethylidene glycol ", abbreviation EG, chemical formula are (CH2OH)2, it is simplest two
First alcohol.Ethylene glycol is no color or smell, pleasantly sweet liquid.Ethylene glycol can dissolve each other with water, acetone, but solubility is smaller in ethers.
Ethylene glycol be mainly used for polyester dacron processed, polyester resin, hygroscopic agent, plasticizer, surfactant, synthetic fibers, cosmetics and
Explosive, and the solvent as dyestuff, ink etc., the antifreeze for preparing engine, gas dewatering agent, manufacture resin can also be used for
Glassine paper, fiber, leather, adhesive wetting agent.Ethylene glycol is also applied to precise electronic industry, but common ethylene glycol contains
Metal ion can remain on the electronic devices when being applied to electronics industry, influence product quality.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of precise electronic industry spent glycol depth rectifying dresses
It sets, improves rectification effect.
The object of the present invention is achieved like this:
A kind of precise electronic industry spent glycol depth rectifier unit, it includes a pedestal；One rectifying still, is set on the base,
And the bottom of rectifying still is equipped with bottom valve, top is equipped with inlet valve；One rectifying column is arranged above rectifying still, in the rectifying column
Equipped with filler；One liquid distribution trough is arranged above rectifying column；One liquid collecting plate is arranged above liquid distribution trough；One condensation
Device is arranged above liquid collecting plate, and the outlet of condenser is vacuum interface；The outlet of the liquid collecting plate respectively with return pipe, discharging
Pipe connects, and return valve is arranged on the return pipe and accesses liquid distribution trough.
Further, the liquid distribution trough includes liquid dispensing tube, inlet and catheter, the liquid dispensing tube packet
The transverse tube and vertical tube of vertical connection are included, one end of vertical tube is arranged at the center of transverse tube, and the other end is equipped with inlet, the feed liquor
Mouth is connect with return pipe；The two sides of the transverse tube are evenly distributed with multiple catheters, and catheter is connected to transverse tube.
Further, the liquid distribution trough includes liquid dispensing tube, inlet and catheter, the liquid dispensing tube packet
Interconnected vertical tube and hemispherical fluid reservoir are included, is uniformly distributed multiple lead on the maximum gauge circumference of the hemispherical fluid reservoir
Liquid pipe.
Further, the end of the catheter is equipped with outlet tube, and the end of the outlet tube is equipped with an inclined surface.
Further, the outer wall of the rectifying still is equipped with heating jacket.
Further, full of setting heat-preservation cotton between the rectifying column wall and filler.
Further, the bottom of the condenser, which is equipped with, is no less than a steam inlet, and a side lower part enters equipped with condensed water
Mouthful, another upper lateral part is equipped with condensation-water drain.
Further, the liquid collecting plate is equipped with a no less than stomata, the steaming of the condenser of the position and top of stomata
The position of vapour entrance is corresponding.
Further, the liquid collecting plate tilts down 0 ~ 20 °, and outlet end is lower than the other end.
Further, the discharge nozzle is equipped with outlet valve.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is equipped with the rectifying column of filler in the connection of rectifying still upper end, liquid distributor is arranged above rectifying column, in liquid
Liquid collecting plate is arranged in the top of distributor, condenser is arranged in the top of liquid collecting plate, the outlet of condenser is connected with vacuum pump set, collects
Liquid on liquid plate flows into discharge nozzle and return pipe by outlet, and a part of liquid is collected after passing through discharge nozzle, as produced
Product, another part liquid enter the inlet of liquid distribution trough by return valve, carry out liquid redistribution, the liquid of decline
It is contacted with the gas of rising, promotes rectification effect, depth rectification and purification is carried out to ethylene glycol, impurity content is controlled, obtains
Meet the ethylene glycol product of precise electronic industry requirement.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of condenser of the invention.
Fig. 3 is the top view of liquid collecting plate of the invention.
Fig. 4 is the cross-sectional view of liquid collecting plate of the invention.
Fig. 5 is the structural schematic diagram of the liquid distributor of the embodiment of the present invention 1.
Fig. 6 is the structural schematic diagram of the liquid distributor of the embodiment of the present invention 2.
Fig. 7 is the structural schematic diagram of the catheter of the embodiment of the present invention 2.
Wherein:
Pedestal 1, bottom valve 2, rectifying still 3, heating jacket 4, inlet valve 5, feed inlet 6, filler 7, heat-preservation cotton 8, liquid distribution trough 9,
Liquid dispensing tube 9.1, inlet 9.2, catheter 9.3, outlet tube 9.4, liquid collecting plate 10, stomata 10.1, condenser 11, shell
11.1, condenser pipe 11.2, steam inlet 11.3, condensing water inlet 12, condensation-water drain 13, vacuum interface 14, return pipe 15, return
Flow regulating valve 16, discharge nozzle 17, outlet valve 18.
Specific embodiment
Technical solution for a better understanding of the invention, elaborates below with reference to relevant indicators.It should be understood that following
The specific implementation aspect for the technical solution that specific embodiment is not intended to limit the invention is only that technical solution of the present invention can adopt
State sample implementation.It need to first illustrate, be located above B component herein in regard to the statement of each component positional relationship, such as A component, be
Based on the statement of component each in diagram relative position, not to limit the actual positional relationship of each component.
Embodiment 1:
Fig. 1 is please referred to, Fig. 1 depicts a kind of precise electronic industry spent glycol depth rectifier unit of the invention.As shown,
Precise electronic industry spent glycol depth rectifier unit of the invention includes: a pedestal 1；One rectifying still 3 is arranged on pedestal 1,
And the bottom of rectifying still 3 is equipped with bottom valve 2, top is equipped with inlet valve 5；One rectifying column is arranged above rectifying still 3, the rectifying
Filler 7 is equipped in column；One liquid distribution trough 9 is arranged above rectifying column；One liquid collecting plate 10 is arranged on liquid distribution trough 9
Side；One condenser 11 is arranged above liquid collecting plate 10, and the outlet of condenser 11 is vacuum interface 14, connect with vacuum pump set.
In the present embodiment, the outer wall of the rectifying still 3 is equipped with heating jacket 4.
In the present embodiment, full of setting heat-preservation cotton 8 between the rectifying column wall and filler 7.
Fig. 2 is please further consulted, Fig. 2 depicts the structural schematic diagram applied to condenser of the invention.As shown, institute
The bottom for stating condenser 11 is set there are two steam inlet 11.3, and a side lower part is equipped with condensing water inlet 12, and another upper lateral part is equipped with
Condensation-water drain 13, the condenser 11 is interior to be equipped with condenser pipe 11.2.
Fig. 3 and Fig. 4 are please further consulted, Fig. 3 and Fig. 4 depict the top view and section view of liquid collecting plate of the invention respectively
Figure.As shown, being set on the liquid collecting plate 10 there are two stomata 10.1, two stomatas 10.1 are evenly distributed on a left side for liquid collecting plate 10
Right two parts, the position of stomata 10.1 and the position of steam inlet 11.3 of condenser 11 of top are corresponding, fill convenient for gas
Divide and enter in condenser 11, reduces residual.
Fig. 5 is please further consulted, Fig. 5 depicts the structural schematic diagram applied to liquid distributor of the invention.As schemed
Show, the liquid distribution trough 9 includes liquid dispensing tube 9.1, inlet 9.2 and catheter 9.3, and the liquid dispensing tube 9.1 wraps
The transverse tube and vertical tube of vertical connection are included, one end of vertical tube is arranged at the center of transverse tube, and the other end is equipped with inlet 9.2, described
The two sides of transverse tube are evenly distributed with multiple catheters 9.3, and catheter 9.3 is connected to transverse tube.
In the present embodiment, the outlet of the liquid collecting plate 10 is connect with return pipe 15, discharge nozzle 17 respectively, the liquid collecting plate 10
10 ° are tilted down, outlet end is lower than the other end, collects convenient for liquid；Return valve 16 is set simultaneously on the return pipe 15
The inlet 9.2 of liquid distribution trough 9 is accessed, the discharge nozzle 17 is equipped with outlet valve 18.
Working principle:
Inlet valve is opened, raw material ethylene glycol is added from feed inlet, closes inlet valve after adding.It opens vacuum interface and accesses vacuum
Unit opens condensing water inlet and accesses condensed water, and with the ethylene glycol raw material in heating jacket heating rectifying still, feedstock vapor rises
By filler, then by being come out after liquid distribution trough from the stomata on liquid collecting plate, then entered by condenser vapor entrance cold
In solidifying pipe, steam drops to liquid collecting plate after being condensed into liquid, and the liquid on liquid collecting plate flows into discharge nozzle and reflux by outlet
Pipe, a part of liquid collect after passing through discharge nozzle, and as product, another part liquid enter liquid by return valve
The inlet of distributor carries out liquid redistribution, and the liquid of decline is contacted with the gas of rising, promotes rectification effect.
Embodiment 2:
Fig. 6 is please referred to, Fig. 6 depicts the structural schematic diagram applied to another liquid distributor of the invention.Not with embodiment 1
With, the liquid dispensing tube 9.1 of the liquid distribution trough 9 of the present embodiment includes the vertical tube and hemispherical fluid reservoir being interconnected,
Multiple catheters 9.3 are uniformly distributed on the maximum gauge circumference of the hemispherical fluid reservoir, i.e. catheter 9.3 is distributed in a ring,
And catheter 9.3 tilts down 15 °.
Fig. 7 is please further consulted, Fig. 7 depicts the structural schematic diagram of the catheter applied to liquid distributor of the present invention.
As shown, the end of the catheter 9.3 is equipped with outlet tube 9.4, the end of the outlet tube 9.4 is equipped with an inclined surface,
So that liquid linearly falls, promotion is reacted with gas.
The above is only specific application examples of the invention, are not limited in any way to protection scope of the present invention.All uses
Equivalent transformation or equivalent replacement and the technical solution formed, all fall within rights protection scope of the present invention.
Claims (10)
1. a kind of precise electronic industry spent glycol depth rectifier unit, which is characterized in that it includes:
Pedestal (1)；
Rectifying still (3) is arranged on pedestal (1), and the bottom of the rectifying still (3) is equipped with bottom valve (2), and top is equipped with inlet valve
(5)；
Rectifying column, setting are equipped with filler (7) in the rectifying column above rectifying still (3)；
Liquid distribution trough (9) is arranged above rectifying column；
Liquid collecting plate (10), setting is above liquid distribution trough (9)；
Condenser (11), above liquid collecting plate (10), the outlet of condenser (11) is vacuum interface (14) for setting；
The outlet of the liquid collecting plate (10) is connect with return pipe (15), discharge nozzle (17) respectively, is arranged on the return pipe (15)
Return valve (16) simultaneously accesses liquid distribution trough (9).
2. a kind of precise electronic industry spent glycol depth rectifier unit according to claim 1, it is characterised in that: described
Liquid distribution trough (9) includes liquid dispensing tube (9.1), inlet (9.2) and catheter (9.3), the liquid dispensing tube (9.1)
Transverse tube and vertical tube including vertical connection, one end of vertical tube are arranged at the center of transverse tube, and the other end is equipped with inlet (9.2),
The inlet (9.2) connect with return pipe (15)；The two sides of the transverse tube are evenly distributed with multiple catheters (9.3), drain
Pipe (9.3) is connected to transverse tube.
3. a kind of precise electronic industry spent glycol depth rectifier unit according to claim 1, it is characterised in that: described
Liquid distribution trough (9) includes liquid dispensing tube (9.1), inlet (9.2) and catheter (9.3), the liquid dispensing tube () 9.1
Including interconnected vertical tube and hemispherical fluid reservoir, it is uniformly distributed on the maximum gauge circumference of the hemispherical fluid reservoir multiple
Catheter () 9.3.
4. a kind of precise electronic industry spent glycol depth rectifier unit according to claim 3, it is characterised in that: described
The end of catheter (9.3) is equipped with outlet tube (9.4), and the end of the outlet tube (9.4) is equipped with an inclined surface.
5. a kind of precise electronic industry spent glycol depth rectifier unit according to claim 1, it is characterised in that: described
The outer wall of rectifying still (3) is equipped with heating jacket (4).
6. a kind of precise electronic industry spent glycol depth rectifier unit according to claim 1, it is characterised in that: described
Full of setting heat-preservation cotton (8) between rectifying column wall and filler (7).
7. a kind of precise electronic industry spent glycol depth rectifier unit according to claim 1, it is characterised in that: described
The bottom of condenser (11) is equipped with a no less than steam inlet (11.3), and a side lower part is equipped with condensing water inlet (12), another
Upper lateral part is equipped with condensation-water drain (13).
8. a kind of precise electronic industry spent glycol depth rectifier unit according to claim 1, it is characterised in that: described
Liquid collecting plate (10) is equipped with a no less than stomata (10.1), the steam of the condenser (11) of the position and top of stomata (10.1)
The position of entrance (11.3) is corresponding.
9. a kind of precise electronic industry spent glycol depth rectifier unit according to claim 1, it is characterised in that: described
Liquid collecting plate (10) tilts down 0 ~ 20 °, and outlet end is lower than the other end.
10. a kind of precise electronic industry spent glycol depth rectifier unit according to claim 1, it is characterised in that: institute
Discharge nozzle (17) are stated equipped with outlet valve (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835796.5A CN110393939A (en) | 2019-09-05 | 2019-09-05 | Precise electronic industry spent glycol depth rectifier unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910835796.5A CN110393939A (en) | 2019-09-05 | 2019-09-05 | Precise electronic industry spent glycol depth rectifier unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110393939A true CN110393939A (en) | 2019-11-01 |
Family
ID=68329749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910835796.5A Pending CN110393939A (en) | 2019-09-05 | 2019-09-05 | Precise electronic industry spent glycol depth rectifier unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110393939A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112973170A (en) * | 2019-12-13 | 2021-06-18 | 江苏民生特种设备集团有限公司 | Distillation column backflow limiting device |
| CN114504872A (en) * | 2022-02-15 | 2022-05-17 | 北京袭明科技有限公司 | Method and device for producing high-purity electronic grade ethylene glycol |
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| CN104289006A (en) * | 2014-11-01 | 2015-01-21 | 西安市尚华科技开发有限责任公司 | Bundling rectification device with lateral line reactors |
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| CN105999753A (en) * | 2016-06-30 | 2016-10-12 | 江苏永大化工机械有限公司 | Evaporating and condensing integrated glycol refining tower |
| CN106390863A (en) * | 2016-11-07 | 2017-02-15 | 中国石油大学(华东) | High-distribution-uniformity calandria liquid distributor with liquid outlets of different diameters |
| CN107081114A (en) * | 2017-05-10 | 2017-08-22 | 迈瑞尔实验设备（上海）有限公司 | Liquid distribution trough |
| CN210495288U (en) * | 2019-09-05 | 2020-05-12 | 江苏美阳科技有限公司 | Integrated ethylene glycol refining equipment |
-
2019
- 2019-09-05 CN CN201910835796.5A patent/CN110393939A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3359074A (en) * | 1963-06-11 | 1967-12-19 | Monsanto Co | Polycondensation apparatus |
| CN202961932U (en) * | 2012-10-30 | 2013-06-05 | 安徽淮化股份有限公司 | Rectification equipment for dimethyl oxalate |
| CN104492111A (en) * | 2014-10-16 | 2015-04-08 | 中国石油化工股份有限公司 | Multipurpose small rectification system for laboratory |
| CN104289006A (en) * | 2014-11-01 | 2015-01-21 | 西安市尚华科技开发有限责任公司 | Bundling rectification device with lateral line reactors |
| CN204428869U (en) * | 2014-12-25 | 2015-07-01 | 天津奥展兴达化工技术有限公司 | A kind of liquid distribution device |
| CN204933480U (en) * | 2015-08-14 | 2016-01-06 | 宁夏宝塔石化科技实业发展有限公司 | A kind of liquid distribution trough |
| CN105999753A (en) * | 2016-06-30 | 2016-10-12 | 江苏永大化工机械有限公司 | Evaporating and condensing integrated glycol refining tower |
| CN106390863A (en) * | 2016-11-07 | 2017-02-15 | 中国石油大学(华东) | High-distribution-uniformity calandria liquid distributor with liquid outlets of different diameters |
| CN107081114A (en) * | 2017-05-10 | 2017-08-22 | 迈瑞尔实验设备（上海）有限公司 | Liquid distribution trough |
| CN210495288U (en) * | 2019-09-05 | 2020-05-12 | 江苏美阳科技有限公司 | Integrated ethylene glycol refining equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112973170A (en) * | 2019-12-13 | 2021-06-18 | 江苏民生特种设备集团有限公司 | Distillation column backflow limiting device |
| CN114504872A (en) * | 2022-02-15 | 2022-05-17 | 北京袭明科技有限公司 | Method and device for producing high-purity electronic grade ethylene glycol |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210701 Address after: 214421 No. 8-5 Xiangyang Road, Huashi Town, Jiangyin City, Wuxi, Jiangsu Applicant after: Li Xiangqing Address before: 214434 No.12 Xinsheng Road, Jiangyin high tech Zone, Wuxi City, Jiangsu Province Applicant before: Jiangsu Meiyang Technology Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191101 |