CN103182191A - Method and apparatus for concentrating iodine-containing solution - Google Patents
Method and apparatus for concentrating iodine-containing solution Download PDFInfo
- Publication number
- CN103182191A CN103182191A CN2012103299317A CN201210329931A CN103182191A CN 103182191 A CN103182191 A CN 103182191A CN 2012103299317 A CN2012103299317 A CN 2012103299317A CN 201210329931 A CN201210329931 A CN 201210329931A CN 103182191 A CN103182191 A CN 103182191A
- Authority
- CN
- China
- Prior art keywords
- film evaporator
- thin film
- heat exchanger
- biodine
- evaporation
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 title abstract description 18
- 229910052740 iodine Inorganic materials 0.000 title abstract description 18
- 239000011630 iodine Substances 0.000 title abstract description 18
- 238000001704 evaporation Methods 0.000 claims abstract description 47
- 230000008020 evaporation Effects 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000010409 thin film Substances 0.000 claims abstract description 39
- 239000003513 alkali Substances 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 4
- 230000003750 conditioning effect Effects 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- 230000032696 parturition Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 4
- 239000002918 waste heat Substances 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000009183 running Effects 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Abstract
The invention relates to a method and a device for concentrating iodine-containing solution, which is characterized in that alkali is added into the iodine-containing solution to increase the pH value of the iodine-containing solution to be more than 9; heating the iodine-containing solution by a preheating heat exchanger, inputting the heated iodine-containing solution into an evaporation container provided with a film evaporator, evaporating the water content of the iodine-containing solution by using the film evaporator to form secondary steam, enabling the secondary steam to enter a steam jet compressor and mixing the secondary steam with raw steam to form mixed steam, inputting the mixed steam into the film evaporator, and inputting the water content of the iodine-containing solution into a finished product storage tank after evaporating the water content of the iodine-containing solution to form a concentrated solution; and introducing the excessive mixed steam into a heat exchanger to condense the mixed steam into water, and then inputting the water into a condensate water tank, introducing the condensate water generated by the thin film evaporator into the condensate water tank, and then conveying the condensate water in the condensate water tank to the preheating heat exchanger for heat exchange. The invention can fully recycle the latent heat of secondary steam in the process of concentrating the iodine-containing solution and recover useful substances in the iodine-containing solution.
Description
Technical field
The present invention relates to a kind of Biodine be concentrated, in order to method and the device of subsequent transportation, processing and recycling.
Background technology
Polaroid is the critical elements in the optical articles, and itself is for containing polyvinyl alcohol (polyvinyl alcohol, diaphragm PVA) (FILM); Polaroid needs to handle through extending (contain and contaminate or dyeing) and washing in the process of producing, can produce waste water or waste liquid in the processing procedure, include in this waste water or the waste liquid and possess iodine and the boron that can be utilized value, a large amount of Biodine (waste water or waste liquid), do not reclaim the waste that not only causes resource if having, can impact to environment simultaneously yet.
The manufacturer that produces polaroid at present normally entrusts discarded object wind up company to handle with the cause discarded object for the processing method of aforementioned Biodine, its processing mode is that Biodine is handled in the incineration mode, yet, based on the law of conservation of matter, iodine after incinerating can't disappear without foundation, but with toxic emission to atmosphere, the value of not only having strangled iodine to be recycled, and just as pollutant is transferred in the air, be a major injury to environment.
Summary of the invention
Main purpose of the present invention is to solve at present the not environmental protection of processing mode for Biodine (waste water or waste liquid), and has strangled the problem of the value that iodine can be recycled.
Feature of the present invention, be in Biodine, to add alkali to make its pH value (pH-value) improve to avoid the iodine vapor volatilization, and then with in the input container for evaporation after this Biodine preheating, by thin film evaporator the moisture content in the Biodine in the container for evaporation is evaporated, stored recycling to be recycled behind the concentrated solution to be formed; In addition, characteristics of the present invention are to utilize steam-jet ejector to fill the latent heat that part recovery thin film evaporator evaporation Biodine produces secondary steam, give film evaporator heats except providing again, and the preheating heat exchanger that carries out in this concentrated processing procedure is provided, avoid the waste of energy.
Based on this, the method for concentrated Biodine provided by the invention comprises:
In Biodine, add alkali, the pH value of Biodine is increased to more than 9; Again aforementioned Biodine is equipped with in the container for evaporation of thin film evaporator by preheating heat exchanger heating back input, utilize this thin film evaporator that the water evaporates of Biodine is formed indirect steam, make this indirect steam enter the vapour injection compressor reducer and import this thin film evaporator with giving birth to again after steam becomes mixed vapour, the moisture content of this Biodine is transfused to the finished product storage tank through evaporation after becoming concentrated solution; In addition; with the superfluous mixed vapour delivery heat exchanger of an aforesaid part; import condensate draining after making this mixed vapour be condensed into water; and the condensed water that described thin film evaporator produces imports this condensate draining, again the condensed water in this condensate draining is delivered to this preheating heat exchanger and carries out heat exchange.
The present invention is used for improving the alkali of the pH value of iodine solution, can be NaOH or KOH.
In order to make evaporation rate faster, the present invention possesses water yield top with what thin film evaporator was located at container for evaporation.
The present invention arranges pump in container for evaporation, utilize the running of this pump that the water yield of possessing in the container for evaporation is circulated.
When the pressure of the living steam of steam-jet ejector utilization of the present invention discharges the flow velocity of the steam of making a living, produce negative pressure and also suck secondary steam, make the pressure of container for evaporation less than an atmospheric pressure, can reduce the boiling point of water, to reach the effect that energy-conservation carbon subtracts.
The device of concentrated Biodine provided by the invention includes the conditioning machine; The preheating heat exchanger that connects this conditioning machine; Be equipped with thin film evaporator and connect the container for evaporation of this preheating heat exchanger; The vapour injection compressor reducer that connects this thin film evaporator and container for evaporation; The heat exchanger that connects this thin film evaporator; The condensate draining that connects this heat exchanger, thin film evaporator and preheating heat exchanger; And the finished product storage tank that connects this container for evaporation;
By aforesaid device, Biodine is added into alkali in this conditioning machine and the back that stirs is imported in this container for evaporation by this preheating heat exchanger heating back, utilize this thin film evaporator that the water evaporates of Biodine is formed indirect steam, make this indirect steam enter this vapour injection compressor reducer and import this thin film evaporator with giving birth to again after steam becomes mixed vapour, the moisture content of this Biodine is transfused to this finished product storage tank through evaporation after becoming concentrated solution; Aforesaid a part of mixed vapour is imported into this heat exchanger, import this condensate draining after making this mixed vapour be condensed into water, and the condensed water that described thin film evaporator produces also imports this condensate draining, again the condensed water in this condensate draining is delivered to this preheating heat exchanger and carries out heat exchange.
Description of drawings
Fig. 1 shows that the present invention concentrates the schematic representation of apparatus of Biodine.
[main element symbol description]
1 ... the conditioning machine
2 ... preheating heat exchanger
3 ... container for evaporation
4 ... thin film evaporator
5 ... the vapour injection compressor reducer
6 ... heat exchanger
61 ... the cooling water inlet
62 ... coolant outlet
7 ... condensate draining
8 ... the finished product storage tank
W1 ... Biodine
W2 ... concentrated solution
W3 ... condensed water
S 1 ... give birth to steam
S2 ... indirect steam
S3 ... mixed vapour
S4 ... superfluous mixed vapour
The specific embodiment
Below cooperate graphic and component symbol is done more detailed description to embodiments of the present invention, have the knack of this skill person and after studying this specification carefully, can implement according to this in order to do making.
As shown in Figure 1, the device of concentrated Biodine provided by the invention, its preferred embodiment includes conditioning machine 1; The preheating heat exchanger 2 that connects this conditioning machine 1; Be equipped with thin film evaporator 4 and connect the container for evaporation 3 of this preheating heat exchanger 2; The vapour injection compressor reducer 5 that connects this thin film evaporator 4 and container for evaporation 3; The heat exchanger 6 that connects this thin film evaporator 4; The condensate draining 7 that connects this heat exchanger 6, thin film evaporator 4 and preheating heat exchanger 2; And the finished product storage tank 8 that connects this container for evaporation 3.
Wherein, be provided with the blade (not shown) that is driven by motor at least in the conditioning machine 1, after Biodine W1 is transported in the conditioning machine 1, namely adding an amount of alkali to scale enters in the conditioning machine 1, after the blade rotation stirs, the pH value of Biodine W1 is brought up to more than 9 then, this purpose is to stop iodine steam volatilization in the solution by the chemical characteristic of high pH value; Described alkali can be NaOH (NaOH) or KOH (potassium hydroxide).Biodine W1 after the raising pH value then heats in advance by preheating heat exchanger 2, delivers in the container for evaporation 3 again; Biodine W1 is earlier through the purpose of preheating, is to improve Biodine to enter temperature before the container for evaporation 3 and make the evaporation rate can be faster, promotes evaporation efficiency; Must keep a certain amount of Biodine W1 (namely possessing the water yield) in the container for evaporation 3 keeping running, and in the container for evaporation 3 the pump (not shown) is set, utilize the running of pump that the water yields of possessing in the container for evaporation 3 are circulated.
The primary steam that vapour injection compressor reducer 5 is connected to the boiler generation is called living steam S1, when giving birth to steam S1 by vapour injection compressor reducer 5, because give birth to the pressure of steam greater than an atmospheric pressure, according to white effort principle, discharge and give birth to steam pressure simultaneously, indirect steam S2 end is the shape negative pressure, make indirect steam be inhaled into steam-jet ejector 5 and give birth to steam S1 and be mixed into mixed vapour S3 after, be transported to 4 couples of Biodine W1 of thin film evaporator and carry out heating evaporation; In order to make evaporation rate faster, thin film evaporator 4 preferably is located at possessing above the water yield of container for evaporation 3, moisture content among the Biodine W1 in the container for evaporation 3 forms indirect steam S2 after evaporating, after making indirect steam S2 enter vapour injection compressor reducer 5 and giving birth to steam S1 and be mixed into mixed vapour S3, make mixed vapour S3 input thin film evaporator 4 again; The moisture content of Biodine W1 can improve concentration and become concentrated solution W2, and then export finished product storage tank 8 to from the bottom of container for evaporation 3 after evaporation.In addition, the present invention is also further with the superfluous mixed vapour S4 delivery heat exchanger 6 in the thin film evaporator 4,6 of heat exchangers are 61 input cooling waters from the cooling water inlet, allow cold water and superfluous mixed vapour S4 carry out heat exchange, make superfluous mixed vapour S4 condense into condensed water W3 and enter condensate draining 7, the cooling water behind the absorption heat is then discharged from coolant outlet 62; In addition, the condensed water W3 that produces during thin film evaporator 4 runnings also imports this condensate draining 7, and the condensed water W3 in the condensate draining 7 is delivered to preheating heat exchanger 2 again and carries out heat exchange, and condensed water W3 is discharged from preheating heat exchanger 2.
The present invention utilizes aforesaid method and apparatus, can fill the latent heat that part recycling Biodine is concentrated indirect steam in the process, and reclaims the utility in the Biodine, reaches carbon reduction and antipollution purpose.
The above person only is in order to explain preferred embodiment of the present invention; be not that the attempt tool is to do any pro forma restriction to the present invention; be with, all have in that identical invention spirit is following do relevant any modification of the present invention or change, all must be included in the category that the invention is intended to protect.
Claims (9)
1. the method for a concentrated Biodine comprises:
In Biodine, add alkali, the pH value of Biodine is increased to more than 9;
Aforementioned Biodine is equipped with in the container for evaporation of thin film evaporator by preheating heat exchanger heating back input, utilize this thin film evaporator that the water evaporates of Biodine is formed indirect steam, make this indirect steam enter the vapour injection compressor reducer and import this thin film evaporator with giving birth to again after steam becomes mixed vapour, the moisture content of this Biodine is transfused to the finished product storage tank through evaporation after becoming concentrated solution;
With aforesaid a part of mixed vapour delivery heat exchanger, import condensate draining after making this mixed vapour be condensed into water, and the condensed water that described thin film evaporator produces also imports this condensate draining, again the condensed water in this condensate draining is delivered to this preheating heat exchanger and carries out heat exchange.
2. method according to claim 1, wherein, the alkali that adds is NaOH or KOH.
3. method according to claim 1, wherein, this concentrated solution is transported in the process of this finished product storage tank, and its waste heat is entered this thin film evaporator by further guiding and recycles.
4. method according to claim 1, wherein, what this thin film evaporator was located at this container for evaporation possessing water yield top.
5. method according to claim 1 wherein, is provided with to make the inner pump that the water yield circulates of possessing in this container for evaporation.
6. method according to claim 1, wherein, this Biodine is to be added into alkali in the conditioning machine, and stirs through this conditioning machine.
7. the device of a concentrated Biodine comprises:
The conditioning machine;
Preheating heat exchanger connects this conditioning machine;
Be equipped with the container for evaporation of thin film evaporator, connect this preheating heat exchanger;
The vapour injection compressor reducer connects this thin film evaporator and container for evaporation;
Heat exchanger connects this thin film evaporator;
Condensate draining connects this heat exchanger, this thin film evaporator and this preheating heat exchanger;
The finished product storage tank connects this container for evaporation;
By aforesaid device, Biodine is added into alkali in this conditioning machine and the back that stirs is imported in this container for evaporation by this preheating heat exchanger heating back, utilize this thin film evaporator that the water evaporates of Biodine is formed indirect steam, make this indirect steam enter this vapour injection compressor reducer and import this thin film evaporator with giving birth to again after steam becomes mixed vapour, the moisture content of this Biodine is transfused to this finished product storage tank through evaporation after becoming concentrated solution; Aforesaid a part of mixed vapour is imported into this heat exchanger, import this condensate draining after making this mixed vapour be condensed into water, and the condensed water that described thin film evaporator produces imports this condensate draining, again the condensed water in this condensate draining is delivered to this preheating heat exchanger and carries out heat exchange.
8. device according to claim 7, wherein, what this thin film evaporator was located at this container for evaporation possessing water yield top.
9. device according to claim 7 wherein, is provided with to make the inner pump that the water yield circulates of possessing in this container for evaporation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101100164 | 2012-01-03 | ||
| TW101100164A TW201328983A (en) | 2012-01-03 | 2012-01-03 | Method and device for concentrating iodine-containing solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103182191A true CN103182191A (en) | 2013-07-03 |
Family
ID=48673788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103299317A Pending CN103182191A (en) | 2012-01-03 | 2012-09-07 | Method and apparatus for concentrating iodine-containing solution |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103182191A (en) |
| TW (1) | TW201328983A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949074A (en) * | 2014-03-23 | 2014-07-30 | 德阳劲达节能科技有限责任公司 | Method and device for titanium liquid condensation |
| CN105833559A (en) * | 2016-05-11 | 2016-08-10 | 耒阳金悦科技发展有限公司 | Industrial separation equipment |
| CN105854328A (en) * | 2016-05-11 | 2016-08-17 | 耒阳金悦科技发展有限公司 | Industrial separation method |
| CN106891453A (en) * | 2016-07-18 | 2017-06-27 | 住华科技股份有限公司 | The recovery method and its reclaimer of discarded optical film |
| CN108164067A (en) * | 2016-12-07 | 2018-06-15 | 笹仓机械工程有限公司 | Polarizer manufactures the processing method and processing unit of waste liquid |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2120768A (en) * | 1982-05-24 | 1983-12-07 | Dvt Buro Fur Anwendung Deutsch | Apparatus for the desalination of sea water |
| US4810327A (en) * | 1984-04-24 | 1989-03-07 | Ahlstromforetagen Svenska Ab | Falling film evaporator of the vertical-tube type |
| CN1384764A (en) * | 1999-09-06 | 2002-12-11 | 英尼奥斯弗罗控股有限公司 | Apparatus and method for separating mixed liquids |
| CN1821117A (en) * | 2005-01-28 | 2006-08-23 | 日宝化学株式会社 | Treatment method of waste water |
| CN101424889A (en) * | 2007-10-26 | 2009-05-06 | 日本瑞环化工株式会社 | Method for regenerating stripping solution from stripping waste liquid and regeneration device |
| CN101755037A (en) * | 2007-12-27 | 2010-06-23 | 阿库丁体系股份有限公司 | improved solvent extraction and recovery |
-
2012
- 2012-01-03 TW TW101100164A patent/TW201328983A/en not_active IP Right Cessation
- 2012-09-07 CN CN2012103299317A patent/CN103182191A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2120768A (en) * | 1982-05-24 | 1983-12-07 | Dvt Buro Fur Anwendung Deutsch | Apparatus for the desalination of sea water |
| US4810327A (en) * | 1984-04-24 | 1989-03-07 | Ahlstromforetagen Svenska Ab | Falling film evaporator of the vertical-tube type |
| CN1384764A (en) * | 1999-09-06 | 2002-12-11 | 英尼奥斯弗罗控股有限公司 | Apparatus and method for separating mixed liquids |
| CN1821117A (en) * | 2005-01-28 | 2006-08-23 | 日宝化学株式会社 | Treatment method of waste water |
| CN101424889A (en) * | 2007-10-26 | 2009-05-06 | 日本瑞环化工株式会社 | Method for regenerating stripping solution from stripping waste liquid and regeneration device |
| CN101755037A (en) * | 2007-12-27 | 2010-06-23 | 阿库丁体系股份有限公司 | improved solvent extraction and recovery |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949074A (en) * | 2014-03-23 | 2014-07-30 | 德阳劲达节能科技有限责任公司 | Method and device for titanium liquid condensation |
| CN105833559A (en) * | 2016-05-11 | 2016-08-10 | 耒阳金悦科技发展有限公司 | Industrial separation equipment |
| CN105854328A (en) * | 2016-05-11 | 2016-08-17 | 耒阳金悦科技发展有限公司 | Industrial separation method |
| CN106891453A (en) * | 2016-07-18 | 2017-06-27 | 住华科技股份有限公司 | The recovery method and its reclaimer of discarded optical film |
| CN108164067A (en) * | 2016-12-07 | 2018-06-15 | 笹仓机械工程有限公司 | Polarizer manufactures the processing method and processing unit of waste liquid |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI448434B (en) | 2014-08-11 |
| TW201328983A (en) | 2013-07-16 |
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Application publication date: 20130703 |