CN204170734U - The device that a kind of ion exchange resin is recovered online - Google Patents
The device that a kind of ion exchange resin is recovered online Download PDFInfo
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- CN204170734U CN204170734U CN201420076403.XU CN201420076403U CN204170734U CN 204170734 U CN204170734 U CN 204170734U CN 201420076403 U CN201420076403 U CN 201420076403U CN 204170734 U CN204170734 U CN 204170734U
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- heat exchanger
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Abstract
The utility model discloses the device that a kind of ion exchange resin is recovered online, this device comprises ion-exchange reactions device, desalted water heat exchanger, acid solution heat exchanger, recovery liquid bath, lye tank (vat), splendid attire ion exchange resin in ion-exchange reactions device, described ion-exchange reactions utensil has the first entrance, first being arranged on top to export and be arranged on the second entrance of bottom, the second outlet; Desalted water heat exchanger is used for pre-hot desalinized water, and the desalted water outlet of described desalted water heat exchanger is communicated with the second entrance respectively with described first entrance; Acid solution heat exchanger is for cooling acid solution, and the acid solution outlet of described acid solution heat exchanger is communicated with described second entrance; Recovery liquid bath is used for splendid attire resuscitation fluid, and the outlet of described recovery liquid bath is communicated with described first entrance; Lye tank (vat) is used for splendid attire alkali lye, and the outlet of described lye tank (vat) is communicated with described second entrance, and ion-exchange reactions device is connected by pipeline and valve with between desalted water heat exchanger, acid solution heat exchanger, recovery liquid bath, lye tank (vat).
Description
Technical field
The present invention relates to ion-exchange purification techniques field, be specifically related to the online reanimate device of resin in the ion exchange resin desalination system in a kind of organic amine flue gas desulfurization technique.
Background technology
Sintering circuit in steel and iron industry can cause more serious atmosphere pollution, therefore, needs to install flue gas desulphurization system to reduce SO
2discharge, at present, adopting more is wet method organic amine sulfur removal technology, but, this absorption SO
2while, also absorb a large amount of SO
3and the sour gas such as HCl, this sour gas forms SO in desulfuration solution
4 2-and the anion such as Cl-, the anion of formation can have an impact to the absorption analysis feature of desulfuration solution on the one hand, affects the efficiency of the desulfurization of desulphurization system; Anion a large amount of on the other hand exists, particularly Cl
-the equipment corrosion of desulphurization system can be aggravated, thus increase the operating cost of desulfurization.Therefore in organic amine sulfur removal technology, need to install the equipment removing thermal-stable salt, at present, ion exchange resin desalination system is widely used with its good eliminating efficiency and good stability.
Ion exchange resin is the cancellated macromolecular compound of a class with function base, having can the practicality that recycles of repeated regeneration, but in ion exchange process, exchange potential energy is higher, the material of the ion of strong adhesion or large molecule and so on, easily exchanged or be adsorbed onto on resin, and be difficult to elute when regenerating, thus hinder the carrying out of ion-exchange reactions or in ion-exchange reactions process, generate the deposit of indissoluble, and be deposited on the resin internal constraint passage of ion-exchange, cause the inefficacy of ion exchange resin.In traditional water treatment process, there will be the metal ion such as iron, calcium, aluminium in pending water and suspension, problem that silicon, oil, Organic Pollution resin cause efficiency lost resin.At present, normally adopt the way of off-line recovery by abatement of pollution, again come into operation after resin function is roughly recovered.But because the metal ions such as the iron in organic amine desulfuration solution, calcium, aluminium and suspension, silicon, oil, content of organics are higher than the allied substances content of the pending water in traditional sense water treatment process a lot, easily cause the pollution failure of resin very soon, therefore need frequently to carry out recovery process.And the way of off-line recovery is due to its poor operability, length consuming time can not meet industrial requirement.In addition, ion exchange resin recovery of the prior art is carried out outside ion-exchanger, and in the process of mobile resin, easily cause the wearing and tearing efflorescence of resin, and the resuscitation fluid adopted mostly is strong acid and strong base, recovery cost is higher.
Therefore, the problem of the online recovery after solution ion exchange resin is contaminated, has larger theory significance and economic worth.
Utility model content
For the deficiencies in the prior art, the object of the invention is to overcome the deficiencies in the prior art, and the device that a kind of ion exchange resin is recovered online is provided.
To achieve these goals, the utility model provides the device that a kind of ion exchange resin is recovered online, described device comprises ion-exchange reactions device, desalted water heat exchanger, acid solution heat exchanger, recovery liquid bath, lye tank (vat), wherein, splendid attire ion exchange resin in ion-exchange reactions device, described ion-exchange reactions utensil has the first entrance, first being arranged on top to export and be arranged on the second entrance of bottom, the second outlet; Desalted water heat exchanger is used for pre-hot desalinized water, and the desalted water outlet of described desalted water heat exchanger is communicated with the second entrance respectively with described first entrance; Acid solution heat exchanger is for cooling acid solution, and the acid solution outlet of described acid solution heat exchanger is communicated with described second entrance; Recovery liquid bath is used for splendid attire resuscitation fluid, and the outlet of described recovery liquid bath is communicated with described first entrance; Lye tank (vat) is used for splendid attire alkali lye, and the outlet of described lye tank (vat) is communicated with described second entrance, and described ion-exchange reactions device is connected by pipeline and valve with between desalted water heat exchanger, acid solution heat exchanger, recovery liquid bath, lye tank (vat).
According to an embodiment of the device that ion exchange resin of the present utility model is recovered online, described desalted water heat exchanger utilizes desulfuration solution to carry out the preheating of desalted water, described desalted water heat exchanger comprises desalted water entrance, desalted water outlet and desulfuration solution entrance, desulfuration solution and exports, and desalted water and desulfuration solution flow in opposite directions.
According to an embodiment of the device that ion exchange resin of the present utility model is recovered online, described acid solution heat exchanger utilizes cooling water to carry out the cooling of acid solution, described acid solution heat exchanger comprises acid solution entrance, acid solution outlet and cooling water inlet, coolant outlet, and acid solution and cooling water flow in opposite directions.
Compared with prior art, online reanimate device of the present utility model can realize the online recovery to ion exchange resin, effectively remove by metal ion and suspension, organic matters etc. such as the iron of resin adsorption, calcium, aluminium, resuscitation effect better, reduce resuscitation fluid cost and extend the life cycle of ion exchange resin.
Accompanying drawing explanation
Fig. 1 is the structural representation according to the online reanimate device of the ion exchange resin of the utility model exemplary embodiment.
Description of reference numerals:
1-ion-exchange reactions device, 2-desalted water heat exchanger, 3-acid solution heat exchanger, 4-recovery liquid bath, 5-lye tank (vat), 6-first entrance, 7-first export, 8-second entrance, 9-second export, the outlet of 10-desalted water entrance, 11-desalted water, the outlet of 12-desulfuration solution entrance, 13-desulfuration solution, the outlet of 14-acid solution entrance, 15-acid solution, 16-cooling water inlet, 17-coolant outlet, the outlet of 18-recovery liquid bath, the outlet of 19-lye tank (vat), 20-pipeline, 21-valve.
Detailed description of the invention
Referring to embodiment, the utility model is described in further detail, but the utility model is not limited to the description of following examples.
Fig. 1 is the structural representation according to the online reanimate device of the ion exchange resin of the utility model exemplary embodiment.As shown in Figure 1, ion-exchange reactions device 1, desalted water heat exchanger 2, acid solution heat exchanger 3, recovery liquid bath 4, lye tank (vat) 5 is comprised according to the online reanimate device of the ion exchange resin of the present embodiment.
Wherein, ion-exchange reactions device 1 is in organic amine desulphurization system, carry out the capital equipment that heat stable salt removes, splendid attire ion exchange resin in ion-exchange reactions device 1, this ion-exchange reactions device 1 has the first entrance 6, first outlet 7 being arranged on top and the second entrance 8, second being arranged on bottom exports 9, can be undertaken rinsing or soaking by passing into forward or backwards in ion-exchange reactions device 1 or discharge specific material thus, thus realize recovering to the ion exchange resin after poisoning.It should be noted that, forward refers to that material flows from top to bottom, oppositely refers to that material flows from the bottom to top.
Desalted water heat exchanger 2 is for pre-hot desalinized water, and the desalted water outlet 11 of desalted water heat exchanger 2 is communicated with the first entrance 6 and the second entrance 8 forward realized for ion-exchange reactions device 1 ion exchange resin respectively and rinses and back flush.Particularly, desalted water refers to that the residue salt content in desalted water should be not more than 5mg/L, such as, in desalted water K by the contained strong electrolyte removing being easy to remove or the water reduced to a certain degree
+, Na
+, Ca
+, Cl
-content all should control as < 1mg/L, and the utility model first adopts desalted water to rinse to remove dust wherein and suspension to ion exchange resin.
According to an embodiment of the present utility model, desalted water heat exchanger 2 utilizes desulfuration solution to carry out the preheating of desalted water, desalted water heat exchanger 2 comprises desalted water entrance 10, desalted water outlet 11 and desulfuration solution entrance 12, desulfuration solution and exports 13, and desalted water and desulfuration solution flow in opposite directions.As shown in Figure 1, first, desalted water enters desalted water heat exchanger 2 from desalted water entrance 10, flow out from desalted water outlet 11 again, desulfuration solution then enters from desulfuration solution entrance 12, flow out from desulfuration solution outlet 13 again, 40 ~ 50 DEG C are warming up to after desalted water and desulfuration solution carry out heat exchange in desalted water heat exchanger 2, then the desalted water after heating up is utilized just to wash and backwash the ion exchange resin in ion-exchange reactions device 1, washing time is 2 ~ 4h, desalted water is 25 ~ 30m/h through the flow velocity of resin, water after flushing is discharged to desulphurization system scrubbing tower through the first outlet 7 and the second outlet 8 respectively.Wherein, carrying out changing heat treated desulfuration solution with desalted water is lean solution from desulphurization system, this desulfuration solution carries out heat exchange temperature before treatment and is generally 60 ~ 70 DEG C, and after heat exchange process, temperature reaches 45 ~ 50 DEG C, and desulfurization is carried out on the absorption tower that directly can return desulphurization system.
Acid solution heat exchanger 3 is for cooling acid solution, and the acid solution outlet 15 of acid solution heat exchanger 3 is communicated with to realize the back flush for ion-exchange reactions device 1 ion exchange resin with the second entrance 8.The acid solution that the utility model adopts is the acid gas condensate liquid of desulfurization Analytic Tower, because acid gas condensate liquid is SO at certain temperature and pressure condition
2gas dissolution is formed in water, and its main component is sulfurous acid, and it is 1 ~ 2 that field sampling surveys its pH value, and the metal ion be adsorbed on ion exchange resin can be removed by this acidity.But, the outlet temperature of Analytic Tower acid gas condensate liquid is at about 100 DEG C, being directly acted on ion exchange resin at this temperature can make ion exchange resin lose efficacy, therefore again back flush is carried out to ion exchange resin after should being cooled to 40 ~ 50 DEG C before effect, to remove the metal ion such as iron, calcium, aluminium adsorbed by ion exchange resin.
According to an embodiment of the present utility model, acid solution heat exchanger 3 utilizes cooling water to carry out the cooling of acid solution, and acid solution heat exchanger 3 comprises acid solution entrance 14, acid solution outlet 15 and cooling water inlet 16, coolant outlet 17, and acid solution and cooling water flow in opposite directions.As shown in Figure 1, acid gas condensate liquid from Analytic Tower enters acid solution heat exchanger 3 from acid solution entrance 14, flow out from acid solution outlet 15 again, cooling water enters from cooling water inlet 16, flow out from coolant outlet 17 again, in acid solution heat exchanger 3, acid solution is cooled is cooled to 40 ~ 50 DEG C, then the acid solution after cooling is passed into from the second entrance 8 bottom ion-exchange reactions device 1 and back flush is carried out to ion exchange resin, the time of back flush is 24 ~ 36h, acid solution through the flow velocity of ion exchange resin be 2 ~ 3m/h, the first outlet 7 that acid solution rinses rear fluid across ion exchange reactor 1 top is discharged to Waste Water Treatment.
Recovery liquid bath 4 is for splendid attire resuscitation fluid, and the outlet 18 of recovery liquid bath 4 is communicated with the first entrance 6 carries out immersion treatment to be passed in ion-exchange reactions device 1 by resuscitation fluid to ion exchange resin.The resuscitation fluid that the utility model adopts is be the Na of 5 ~ 7% by mass concentration
2sO
4solution and 8 ~ 10% the mixed solution of NaOH solution composition, the resuscitation fluid within the scope of this mass concentration carries out soaking the organic matter that can more effectively remove in ion exchange resin to ion exchange resin.According in an exemplary embodiment of the present utility model, described Na
2sO
4the solid Na that solution is discharged by desulphurization system freezing and crystallizing
2sO
4dilute formulated, its with 8 ~ 10% NaOH solution mix in recovery liquid bath 4 after, from top to bottom enter in ion-exchange reactions device 1, soak time is 24 ~ 36h to make reaction more thorough, and the volume of the resuscitation fluid of this immersion is 2 ~ 3 times of the ion exchange resin volume loaded.
Lye tank (vat) 5 is for splendid attire alkali lye, and the outlet 19 of lye tank (vat) 5 is communicated with the second entrance 8 carries out back flush to be passed in ion-exchange reactions device 1 by alkali lye to ion exchange resin.The alkali lye that the utility model adopts to be mass concentration be 3 ~ 5% NaOH solution, being controlled in this concentration range is to ensure the effect regenerated, can saving the consumption of alkali lye on the other hand on the one hand.Make NaOH solution by the ion exchange resin of lye tank (vat) 5 from bottom to top in ion-exchange reactions device 1, this alkaline stream is 10 ~ 12m/h through the flow velocity of resin, the consumption of NaOH solution is 3 ~ 4 times of the ion exchange resin volume loaded, and so far then achieves the online recovery for ion exchange resin.
Wherein, ion-exchange reactions device 1 is connected by pipeline 20 and valve 21 with between desalted water heat exchanger 2, acid solution heat exchanger 3, recovery liquid bath 4, lye tank (vat) 5.
And, preferably, after the step that acid solution back flush and resuscitation fluid are soaked, employing temperature is that the desalted water of 40 ~ 50 DEG C carries out forward flushing to ion exchange resin, and the desalted water after rinsing 9 to be discharged in desulphurization system scrubbing tower through the second outlet, its objective is contain in clean ion-exchanger acid gas condensate liquid, retain in removing ion-exchanger comprise Na
2sO
4the resuscitation fluid of solution and NaOH solution is to improve resuscitation effect, and wherein, the time of flushing is 0.5 ~ 1h, desalted water through the flow velocity of ion exchange resin be 30 ~ 35m/h.
In sum, online reanimate device of the present utility model can remove metal ion and suspension, the organic matter etc. such as iron, calcium, aluminium that are adsorbed by ion exchange resin effectively, and the acid solution adopted is the acid gas condensate liquid of desulfurization Analytic Tower, the resuscitation fluid adopted is the solid Na discharged from desulphurization system freezing and crystallizing place
2sO
4dilute formulated Na
2sO
4the mixed solution that solution and NaOH solution form, reduce recovery cost, and the life cycle of ion exchange resin will bring up to March by February.
Although describe the utility model with exemplary embodiment by reference to the accompanying drawings above, those of ordinary skill in the art should be clear, when not departing from the spirit and scope of claim, can carry out various amendment to above-described embodiment.
Claims (3)
1. an ion exchange resin device of recovering online, it is characterized in that, described device comprises ion-exchange reactions device, desalted water heat exchanger, acid solution heat exchanger, recovery liquid bath, lye tank (vat), wherein,
Splendid attire ion exchange resin in ion-exchange reactions device, described ion-exchange reactions utensil has the first entrance, first being arranged on top to export and be arranged on the second entrance of bottom, the second outlet;
Desalted water heat exchanger is used for pre-hot desalinized water, and the desalted water outlet of described desalted water heat exchanger is communicated with the second entrance respectively with described first entrance;
Acid solution heat exchanger is for cooling acid solution, and the acid solution outlet of described acid solution heat exchanger is communicated with described second entrance;
Recovery liquid bath is used for splendid attire resuscitation fluid, and the outlet of described recovery liquid bath is communicated with described first entrance;
Lye tank (vat) is used for splendid attire alkali lye, and the outlet of described lye tank (vat) is communicated with described second entrance carries out back flush to be passed in ion-exchange reactions device by alkali lye to ion exchange resin;
Described ion-exchange reactions device is connected by pipeline and valve with between desalted water heat exchanger, acid solution heat exchanger, recovery liquid bath, lye tank (vat).
2. the ion exchange resin according to claim 1 device of recovering online, it is characterized in that, described desalted water heat exchanger utilizes desulfuration solution to carry out the preheating of desalted water, described desalted water heat exchanger comprises desalted water entrance, desalted water outlet and desulfuration solution entrance, desulfuration solution and exports, and desalted water and desulfuration solution flow in opposite directions.
3. the ion exchange resin according to claim 1 device of recovering online, it is characterized in that, described acid solution heat exchanger utilizes cooling water to carry out the cooling of acid solution, described acid solution heat exchanger comprises acid solution entrance, acid solution outlet and cooling water inlet, coolant outlet, and acid solution and cooling water flow in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420076403.XU CN204170734U (en) | 2014-02-21 | 2014-02-21 | The device that a kind of ion exchange resin is recovered online |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420076403.XU CN204170734U (en) | 2014-02-21 | 2014-02-21 | The device that a kind of ion exchange resin is recovered online |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204170734U true CN204170734U (en) | 2015-02-25 |
Family
ID=52559573
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420076403.XU Expired - Fee Related CN204170734U (en) | 2014-02-21 | 2014-02-21 | The device that a kind of ion exchange resin is recovered online |
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| Country | Link |
|---|---|
| CN (1) | CN204170734U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944559A (en) * | 2015-05-29 | 2015-09-30 | 金澳科技（湖北）化工有限公司 | Thermoelectrochemical water station regenerated alkali liquid recovering system |
| CN106582897A (en) * | 2017-02-13 | 2017-04-26 | 克拉玛依市华隆油田技术服务有限责任公司 | Cleaning device and method for ion exchange resin for oil field softening water treatment |
| CN109433169A (en) * | 2018-11-24 | 2019-03-08 | 浙江华康药业股份有限公司 | A kind of ameliorative way and device of old calcium type chromatography resin separating capacity |
-
2014
- 2014-02-21 CN CN201420076403.XU patent/CN204170734U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104944559A (en) * | 2015-05-29 | 2015-09-30 | 金澳科技（湖北）化工有限公司 | Thermoelectrochemical water station regenerated alkali liquid recovering system |
| CN106582897A (en) * | 2017-02-13 | 2017-04-26 | 克拉玛依市华隆油田技术服务有限责任公司 | Cleaning device and method for ion exchange resin for oil field softening water treatment |
| CN109433169A (en) * | 2018-11-24 | 2019-03-08 | 浙江华康药业股份有限公司 | A kind of ameliorative way and device of old calcium type chromatography resin separating capacity |
| CN109433169B (en) * | 2018-11-24 | 2022-03-04 | 浙江华康药业股份有限公司 | Method and device for improving separating capacity of old calcium type chromatographic resin |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20170221 |