CN202161906U - Lateral-line desulfurization liquor purifying treatment equipment - Google Patents
Lateral-line desulfurization liquor purifying treatment equipment Download PDFInfo
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- CN202161906U CN202161906U CN2011202598365U CN201120259836U CN202161906U CN 202161906 U CN202161906 U CN 202161906U CN 2011202598365 U CN2011202598365 U CN 2011202598365U CN 201120259836 U CN201120259836 U CN 201120259836U CN 202161906 U CN202161906 U CN 202161906U
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Abstract
The utility model discloses lateral-line desulfurization liquor purifying treatment equipment, which is mounted on a lateral line branched from a main desulfurization liquor pipeline and comprises a settling and filtering system, a freezing crystallization system and a resin desalination system which are sequentially serially connected. The settling and filtering system comprises a settling tank and a filter which are sequentially serially connected, the freezing crystallization system comprises an alkalifying tank, a freezing crystallization device, a centrifugal separator and a freezing crystallization underground tank which are sequentially serially connected, and the resin desalination system comprises an activated carbon adsorption tank, a resin adsorption tank and a liquor tank which are sequentially serially connected. Accordingly, by the aid of the lateral-line desulfurization liquor purifying treatment equipment, dust and most metal ions in barren liquor discharged from a desorption column of a desulfurization system can be removed effectively, sulfate ions can be recycled, and by-product mirabilite can be obtained.
Description
Technical field
The utility model relates to a kind of side line desulfuration solution purification apparatus, belongs to flue gas desulfurization purification treatment technology field.
Background technology
Renewable flue gas desulfurization technique is to utilize the desulfuration solution such as amine liquid or ionic liquid to absorb sulfur in smoke at low temperatures; Desorb sulfur dioxide at high temperature then makes the technology that desulfuration solution can recycle with the sulfur dioxide gas that obtains higher degree and the ability that makes desulfuration solution recover to absorb sulfur dioxide in flue gas.In renewable flue gas desulfurization technique, utilize desulfuration solution in the low temperature absorption sulfur in smoke, the solution that has absorbed sulfur dioxide is called rich solution, and rich solution is separated sucking-off sulfur dioxide at high temperature, and the solution after the desorb is called lean solution.Therefore, renewable flue gas desulfurization technique utilizes the chemical characteristic of desulfuration solution low temperature absorption, high temperature desorb desulfuration solution to be recycled the SO that realizes removing in the flue gas
2The function that reclaims then.
Yet the characteristics of sinter fume are that dustiness is high, Cl
-, SO
3 2-, SO
4 2-High Deng strong acid radical ion content.Desulfuration solution is because of recycle for a long time; Make constantly accumulation enrichment such as suspension in the desulfuration solution, metal ion, acid ion concentration; Thereby the suspension of accumulation can cause the obstruction of system; The metal ion of accumulation can reduce the desulfurization performance of desulfuration solution and can cause the desulfuration solution foaming, and part metals ion composition is also influential to the reduction of desulfuration solution component content.In a word, the accumulation of suspension, metal ion and acid ion can influence the absorption efficiency of desulfuration solution to sulfur dioxide in the desulfuration solution, and makes flue gas desulphurization system be difficult to direct motion, also causes the loss of desulfuration solution to increase in addition.
Therefore, need a kind of new desulfuration solution purification apparatus of exploitation, thereby strong acid radical ion compositions such as the suspension in the desulfuration solution, metal ion and sulfate ion are removed processing.
The utility model content
In order to address the above problem; The utility model provides the system that sulfate radical removes, chlorion removes individual processing, and suspension and metal ion are carried out sedimentation and filtration, to improve the removal efficiency of sulfate radical, chlorion; Reduce the desalination cost, and can make sulfate radical etc. form the byproduct mirabilite.
Therefore; The purpose of the utility model is to provide a kind of side line desulfuration solution purification apparatus; Said side line desulfuration solution purification apparatus is installed on the side line that distributes from the desulfuration solution main line; And sedimentation filtration system, freezing and crystallizing system and resin desalination system by being connected in series are successively formed, and wherein, said sedimentation filtration system comprises the subsider and the filter of serial connection successively; What said freezing and crystallizing system comprised serial connection successively adds alkali groove, freezing and crystallizing device, centrifugal separator and freezing and crystallizing underground tank, and said resin desalination system comprises active carbon adsorption groove, resin adsorption groove and the solution tank of serial connection successively.
According to the side line desulfuration solution purification apparatus of the utility model, said sedimentation filtration system also comprises the precipitating reagent make-up tank that is connected with said subsider, is used for depositing precipitation by metallic ion agent and suspension filter aid.Said subsider also is directly connected to and saidly adds the alkali groove, thereby makes the supernatant liquor from said subsider get into said adding in the alkali groove.
According to the side line desulfuration solution purification apparatus of the utility model, said freezing and crystallizing device is made up of refrigerating plant that is linked in sequence and crystallization tank.Said adding between alkali groove and the said freezing and crystallizing device, also be provided with heat exchanger.Said subsider is connected with said freezing and crystallizing underground tank through pipeline.
According to the side line desulfuration solution purification apparatus of the utility model, said subsider is connected to the lean solution groove that is connected with desorber.Between said subsider and said lean solution groove, also be provided with valve, be used for controlling lean solution and whether enter into side line desulfuration solution purification apparatus.Through the isolated material of centrifugal separator is mirabilite.Lean solution after the resin desalination system is handled is sent into the absorption tower.
According to the side line desulfuration solution purification apparatus of the utility model, said solution tank is connected with the absorption tower.
Side line desulfuration solution purification apparatus according to the utility model; Said resin adsorption groove can comprise first water inlet pipe, second outlet pipe, the 3rd outlet pipe and the 4th outlet pipe at the top that is positioned at the resin adsorption groove and first outlet pipe, second water inlet pipe, the 3rd water inlet pipe and the 4th water inlet pipe that are positioned at the bottom of resin adsorption groove; Wherein, Said first water inlet pipe is communicated with said active carbon adsorption concentrated flow body, and said first outlet pipe is communicated with said solution tank fluid.Said the 3rd outlet pipe and said second water inlet pipe can be communicated with by fluid.
Therefore; According to the side line desulfuration solution purification apparatus of the utility model, can remove suspension contained from the lean solution that the desorber of desulphurization system is discharged (for example, dust etc.) and most of metal ion effectively; And can the reclaim sulfuric acid radical ion, obtain the byproduct mirabilite.
In addition; Because the side line desulfuration solution purification apparatus of the utility model is parallelly connected with the lean solution main line; Promptly; Because the side line desulfuration solution purification apparatus of the utility model is the side line of lean solution main line, thus the utlity model has the characteristics of sharing lean solution main line load, and also simple to operate, flexible.
Description of drawings
Fig. 1 shows a kind of side line desulfuration solution purification apparatus according to the utility model.
Fig. 2 shows the sketch map of the resin adsorption groove in the resin desalination system of side line desulfuration solution purification apparatus of Fig. 1.
The specific embodiment
In renewable flue gas desulfurization technique; Desulfuration solution absorbs sulfur in smoke in the absorption tower; Then the rich solution that captures is sent into desorber and carry out desorb; Lean solution after the desorb is carried out purified treatment, and the lean solution after purifying is the most at last sent into the absorption tower once more, thereby realizes the recycle of desulfuration solution.Yet; The concentration of suspension of the desulfuration solution that captures from desorber is high, concentration of metal ions is high; And cause that easily desulphurization system is stopped up and the foaming of desulfuration solution, thereby influenced the desulfuration efficiency of desulfuration solution and caused the regenerating desulfurization difficult technique to strengthen the loss of desulfuration solution with direct motion.
Therefore; In order to address the above problem; The utility model provides the system that sulfate ion removes, chlorion removes individual processing, and suspension and metal ion are carried out sedimentation and filtration, to improve the removal efficiency of sulfate ion, chlorion; Reduce the desalination cost, and can make sulfate radical etc. form the byproduct mirabilite.Specifically; Side line desulfuration solution purification apparatus according to the utility model is installed between the absorption tower and desorber of flue gas desulphurization system; It is the side line that the lean solution main line from desulfuration solution distributes; Through the lean solution of discharging from desorber is carried out purified treatment; And the desulfuration solution after will purifying imports the lean solution main line and gets into the absorption tower then, reducing or to remove acid ions such as suspension, metal ion and chlorion in the desulfuration solution, sulfate radical, nitrate anion, and can reduce the acidity of desulfurization lean solution and prevent that the organic principle in the desulfuration solution from combining with metal ion.Desulfuration solution can obtain recovery after the desulfuration solution cleaning treatment system through the utility model purifies; Thereby when desulfuration solution recycles in regenerating desulfurization technology; Can improve absorptivity to sulfur dioxide; Make the flue gas desulphurization system can direct motion, and reduced the loss of desulfuration solution.
Describe side line desulfuration solution purification apparatus below with reference to accompanying drawings in detail according to the utility model.
Fig. 1 shows the side line desulfuration solution purification apparatus according to the utility model.
Side line desulfuration solution purification apparatus and lean solution main line according to the utility model are provided with concurrently, are made up of the sedimentation filtration system 1, freezing and crystallizing system 2 and the resin desalination system 3 that are connected in series successively through pipeline by the purification requirement.As shown in Figure 1; Sedimentation filtration system 1 comprises the subsider 11 and filter 12 that is connected in series successively through pipeline; Freezing and crystallizing system 2 comprises by desulfuration solution suspension purification process and adds alkali groove 21, freezing and crystallizing device 22, centrifugal separator 23 and freezing and crystallizing underground tank 24 through what pipeline was connected in series successively that resin desalination system 3 comprises active carbon adsorption groove 31, resin adsorption groove 32 and the solution tank 33 that is connected in series successively through pipeline.
With reference to Fig. 1; In side line desulfuration solution purification apparatus according to the utility model; Subsider 11 is connected to the lean solution groove 4 that is connected with desorber through the pump (not shown), is used for holding through pump from the lean solution of lean solution groove 4 suction and make suspension and the metal ion sedimentation the lean solution.Though not shown, can between the side line desulfuration solution cleaning equipment of lean solution groove 4 and the utility model, valve be installed, be used for controlling lean solution and whether flow into sedimentation filtration system 1.Specifically, can desulfuration solution side line valve be installed on the desulfuration solution main line, when needs, with this valve open, thereby through in the subsider 11 of pump with the lean solution suction sedimentation filtration system 1 in the lean solution groove 4.Here, as long as pump and valve are arranged between lean solution groove 4 and the subsider 11, the not special restriction of the priority position of pump and valve relation.In the utility model, subsider 11 can be this area sedimentation device commonly used, and it is not made particular determination.
In subsider 11, add precipitation by metallic ion agent and suspension filter aid, so that the Ca in the lean solution
2+, Mg
2+, Fe
2+, Fe
3+, Al
3+, Ti
4+, Mn
2+Deng metal ion and suspension (for example, dust etc.) respectively through carrying out sedimentation with precipitation by metallic ion agent and suspension filter aid generation physics or chemical action, thereby obtain comprising Cl
-, SO
4 2-, SO
3 2-, NO
3 -Etc. anionic supernatant liquor with comprise such as Ca
2+, Mg
2+, Fe
2+, Fe
3+, Al
3+, Ti
4+, Mn
2+Deng the sediment of metal ion and lower floor's filter residue liquid of suspension.In the utility model, can also precipitating reagent make-up tank 13 be set in addition in sedimentation filtration system 1, be used for storing suspension filter aid and precipitation by metallic ion agent.Here, suspension filter aid and precipitation by metallic ion agent can be respectively to be mixed with solution again after the powder-mixed, mix after perhaps being mixed with solution respectively again, thereby are stored in the precipitating reagent make-up tank 13.The precipitation by metallic ion agent can be to be used for and Ca
2+, Mg
2+, Fe
2+, Fe
3+, Al
3+, Ti
4+, Mn
2+Reacting Deng metal ion and generate the reagent of deposition, for example can be NaOH or complex compound.The suspension filter aid can be the material that is used for making suspended substance sedimentations such as dust, for example can be diatomite.
Filter 12 is connected with subsider 11 through the filtrating pipeline.In the utility model, filter 12 can be a filter press.Yet the utility model is not limited thereto.For example, filter 12 can be other common used in industry filters.Filter 12 can pass through lower floor's filter residue liquid that the suction of pump (not shown) is discharged from the bottom of subsider 11, and lower floor's filter residue liquid is filtered.Filtering the filter residue that obtains from filter 12 can be recycled, for example as raw materials for sintering.
The alkali groove 21 of adding of the filter 12 of sedimentation filtration system 1 and freezing and crystallizing system 2 is connected through pipeline, and outlet and the inlet that add alkali groove 21 of the filtrating after filter 12 press filtrations through filter 12 connected to one another gets into and add in the alkali groove 21.In addition, the subsider 11 of sedimentation filtration system 1 also can directly be connected with the alkali groove 21 that adds of freezing and crystallizing system 2 through pipeline, adds in the alkali groove 21 sending into through the supernatant liquor after subsider 1 sedimentation.In adding alkali groove 21, hold alkaline solution (being preferably NaOH solution), be used for making in the supernatant liquor from the filtered fluid of filter 12 and subsider 11 contained such as Ca
2+, Mg
2+, Fe
2+, Cu
2+, Al
3+Deng the further sedimentation of metal ion, remove Na thereby further remove
+Outside metal ion.
Add alkali groove 21 and the freezing and crystallizing device 22 of freezing and crystallizing system 2 are connected through pipeline, and the supernatant liquor that in adding alkali groove 21, carries out post precipitation can get into freezing and crystallizing device 22 under the effect of pump (not shown), so that supernatant liquor is freezing and crystallization.At this moment, the composition of the supernatant liquor of entering freezing and crystallizing device 22 is mainly Na
2SO
4Solution, NaCl solution and NaNO
3Soluble sodium salts such as solution, carry out freezing and crystallization treatment through freezing and crystallizing device 22 after, utilize contained different material in the supernatant liquor under different temperatures different solubility and specific material is separated out.In the utility model, the supernatant liquor that get into freezing and crystallizing device 22 this moment mainly contains Na
2SO
4, NaCl and NaNO
3, utilize Na
2SO
4Solubility curve, the temperature of control freezing and crystallizing device 22 makes Na
2SO
4Whole or major part is separated out, and makes NaCl and NaNO
3Still keep liquid.According to an embodiment of the utility model, freezing and crystallizing device 22 can be this area freezing and crystallizing device commonly used.According to another embodiment of the utility model, freezing and crystallizing device 22 can be made up of refrigerating plant that is linked in sequence and crystallization tank, wherein, refrigerating plant with add alkali groove 21 and directly be connected, crystallization tank directly is connected with centrifugal separator 23.Yet the utility model is not limited thereto.
According to the utility model; In order to utilize waste heat fully; Can the heat exchanger (not shown) be set adding between alkali groove 21 and the freezing and crystallizing device 22, pending lean solution with carry out heat exchange through the solution behind the freezing and crystallizing, thereby pending lean solution (is for example cooled to the temperature that is suitable for absorbing; 15 ℃～30 ℃), further cool off again through freezing and crystallizing device 22.
The freezing and crystallizing device 22 of freezing and crystallizing system 2 and centrifugal separator 23 are connected through pipeline, so that the solidliquid mixture that comes out from freezing and crystallizing device 22 separates through centrifugal separator 23, thereby isolate crystal.Can obtain byproduct mirabilite (Na after treatment through the centrifugal crystal that comes out of centrifugal separator 23
2SO
410H
2O).Centrifugal separator 23 is connected with freezing and crystallizing underground tank 24, gets into freezing and crystallizing underground tank 24 through centrifugal separator 23 isolated liquid, thereby makes the parting liquid crystallization.At this moment, mainly contain Na in the parting liquid
+, Cl
-, NO
3 -In the utility model, centrifugal separator 23 can be this area centrifuge commonly used, and freezing and crystallizing underground tank 24 can be general solution storage tank, and its lower end further is provided with the deslagging outlet.Freezing and crystallizing underground tank 24 is because of building subsurface in thereby gaining the name; It is made up of freezing unit and crystallization tank body; Wherein, freezing unit cools off through cold-producing medium and the indirect heat exchange that carries out that needs freezing solution, through cooled solution further decrease temperature crystalline in the crystallization tank body.
According to the utility model, the freezing and crystallizing underground tank 24 in the freezing and crystallizing system 2 also can directly be connected with the subsider 11 in the sedimentation filtration system 1, is used for that the supernatant liquor of discharging from subsider 11 is carried out freezing and crystallizing and handles.Therefore, the liquid of storage mainly comprises Na in the freezing and crystallizing underground tank 24
+, Cl
-, NO
3 -, SO
4 2-, SO
3 2-, NO
3 -Deng, and can comprise a spot of Ca
2+, Mg
2+, Fe
2+, Fe
3+, Al
3+, Ti
4+, Mn
2+Deng metal ion.
The active carbon adsorption groove 31 of resin desalination system 3 is connected with the freezing and crystallizing underground tank 24 of freezing and crystallizing system 2 through pipeline, is used for adsorbing suspension contained in the material from freezing and crystallizing underground tank 24.The resin adsorption groove 32 of resin desalination system 3 is connected with active carbon adsorption groove 31 through pipeline, is used for anion contained in the material from freezing and crystallizing underground tank 24 is adsorbed.Fig. 2 shows the sketch map of resin adsorption groove 32.Resin adsorption groove 32 comprises a plurality of water inlet pipes and a plurality of outlet pipe.Specifically; Resin adsorption groove 32 comprises first water inlet pipe 301 that is communicated with active carbon adsorption groove 31 fluids and first outlet pipe 302 that is communicated with solution tank 33 fluids; Under situation according to the side line desulfuration solution purification apparatus normal operation of the utility model; The freezing and crystallizing liquid of handling through active carbon adsorption groove 31 gets into the main body (not shown) of resin adsorption grooves 32 through first water inlet pipe 301 that is positioned at resin adsorption groove top, and the main body of resin adsorption groove 32 comprises can adsorb Cl
-, NO
3 -, SO
4 2-, SO
3 2-, NO
3 -Isoionic resin to remove the anion in the freezing and crystallizing liquid that active carbon adsorption groove 31 was handled, then, has been removed anionic lean solution and has been got into solution tank 33 through 302 discharges of first outlet pipe.
With reference to Fig. 2, resin adsorption groove 32 also comprises: second water inlet pipe 312 and second outlet pipe 302, lay respectively at the bottom and the top of resin adsorption groove 32, and be used for the resin after the absorption is once washed, once the lean solution after the washing can be mended into desulphurization system; The 3rd water inlet pipe 313 and the 3rd outlet pipe 303 lay respectively at the bottom and the top of resin adsorption groove 32, are used for the resin after the washing is once carried out secondary water washing; The 4th water inlet pipe 314 and the 4th outlet pipe 304 lay respectively at the bottom and the top of resin adsorption groove 32, are used for to carrying out desorb through the resin after the twice washing, so that resin is recycled.
In resin adsorption groove 32 according to the resin desalination system of the side line desulfuration solution purification apparatus of the utility model; The 3rd outlet pipe 303 can be communicated with second water inlet pipe, 312 fluids; Thereby the water after the secondary water washing of the 3rd outlet pipe 303 discharges can get into second water inlet pipe 312, to use the first road washing process water of doing the resin behind the adsorption desulfurize.Resin after adopting alkali lye (concentration is generally 2%～4%) through twice washing carries out desorb; Specifically; Being used for the alkali lye of desorb can flow out the 4th outlet pipe 304 from the main body that the 4th water inlet pipe 314 passes resin adsorption groove 32, so that the resin after twice washing is carried out desorb, further adopts industrial soft water to wash through the resin after the desorb; Resin after washing is handled the back as following one desulfurization lean solution after the employing air blow drying and is used.Therefore, according to the utility model, can further reduce cost and realize recycling of resin.Therefore, in the utility model, resin desalination system 3 can also be washed and the recycle of desorb with the realization resin the resin behind the adsorption desulfurize, thereby has greatly practiced thrift cost.
Though four water inlet pipes and four outlet pipes have been shown in Fig. 2, and the utility model is not limited thereto.In an embodiment of the utility model; Second water inlet pipe and the 3rd water inlet pipe can be controlled through a valve; And second outlet pipe and the 3rd outlet pipe can control through a valve, thereby the opening and closing that realize them according to actual needs are to realize the function of expectation.In another embodiment of the utility model, second water inlet pipe, the 3rd water inlet pipe and the 4th water inlet pipe can be controlled through a valve, and second outlet pipe, the 3rd outlet pipe and the 4th outlet pipe can be controlled through a valve.Yet the utility model is not limited thereto, and under the instruction of the utility model, those skilled in the art's pipeline of equipment resin adsorption tank 32 according to actual needs connect.
The solution tank 33 of resin desalination system 3 is connected with the absorption tower (not shown) of resin adsorption groove 32 and desulphurization system through pipeline, and the absorption tower that the lean solution after being used for storing the lean solution after process purifies and will passing through purification turns back to desulphurization system is to recycle.
Therefore, according to the side line desulfuration solution purification apparatus of the utility model,, can remove the suspension such as dust, the most of metal ion in the desulfuration solution effectively because lean solution is filtered and freezing and crystallizing.Simultaneously, the utility model reclaims high concentration sulphate and obtains mirabilite, and gained mirabilite purity can not brought secondary pollution greater than 96%.
In addition; Side line desulfuration solution purification apparatus according to the utility model; Because passed through filtration and freezing and crystallizing, thus resin demand and load in the resin desalination system can be reduced, thus improved the removal efficiency of acid ion such as chlorion, nitrate anion in the desulfuration solution.Simultaneously; Also the desulfuration solution before the resin desalination is carried out removing of metal ion and suspension; Overcome resin and hardened highly, in the resin desalination processes, formed sediment and cause the problem that hardens of resin, thereby improved the resin result of use with iron ion, calcium ion, magnesium ion content.
In addition; Because the side line desulfuration solution purification apparatus of the utility model is parallelly connected with the lean solution main line; In other words; The side line desulfuration solution purification apparatus of the utility model is the side line of lean solution main line, thus the utlity model has the characteristics of sharing lean solution main line load, and also simple to operate, flexible.
Claims (10)
1. side line desulfuration solution purification apparatus; It is characterized in that said side line desulfuration solution purification apparatus is installed on the side line that distributes from the desulfuration solution main line; And by sedimentation filtration system, freezing and crystallizing system and the resin desalination system of serial connection are formed successively; Wherein, Said sedimentation filtration system comprises successively the subsider and the filter of serial connection, and what said freezing and crystallizing system comprised serial connection successively adds alkali groove, freezing and crystallizing device, centrifugal separator and freezing and crystallizing underground tank, and said resin desalination system comprises active carbon adsorption groove, resin adsorption groove and the solution tank of serial connection successively.
2. side line desulfuration solution purification apparatus according to claim 1 is characterized in that said sedimentation filtration system also comprises the precipitating reagent make-up tank that is connected with said subsider.
3. side line desulfuration solution purification apparatus according to claim 1 is characterized in that said subsider also is directly connected to the said alkali groove that adds.
4. side line desulfuration solution purification apparatus according to claim 1 is characterized in that said freezing and crystallizing device is made up of refrigerating plant that is linked in sequence and crystallization tank.
5. according to claim 1 or the described side line desulfuration solution of claim 4 purification apparatus, it is characterized in that also being provided with heat exchanger in said adding between alkali groove and the said freezing and crystallizing device.
6. side line desulfuration solution purification apparatus according to claim 1 is characterized in that said subsider is connected with said freezing and crystallizing underground tank through pipeline.
7. side line desulfuration solution purification apparatus according to claim 1 is characterized in that said subsider is connected to the lean solution groove that is connected with desorber.
8. side line desulfuration solution purification apparatus according to claim 7 is characterized in that said solution tank is connected with the absorption tower.
9. side line desulfuration solution purification apparatus according to claim 1; It is characterized in that said resin adsorption groove comprises first water inlet pipe, second outlet pipe, the 3rd outlet pipe and the 4th outlet pipe at the top that is positioned at the resin adsorption groove and first outlet pipe, second water inlet pipe, the 3rd water inlet pipe and the 4th water inlet pipe that are positioned at the bottom of resin adsorption groove; Wherein, Said first water inlet pipe is communicated with said active carbon adsorption concentrated flow body, and said first outlet pipe is communicated with said solution tank fluid.
10. side line desulfuration solution purification apparatus according to claim 9 is characterized in that said the 3rd outlet pipe and the said second water inlet pipe fluid are communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202598365U CN202161906U (en) | 2011-07-15 | 2011-07-15 | Lateral-line desulfurization liquor purifying treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202598365U CN202161906U (en) | 2011-07-15 | 2011-07-15 | Lateral-line desulfurization liquor purifying treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202161906U true CN202161906U (en) | 2012-03-14 |
Family
ID=45797758
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202598365U Expired - Fee Related CN202161906U (en) | 2011-07-15 | 2011-07-15 | Lateral-line desulfurization liquor purifying treatment equipment |
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| CN (1) | CN202161906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540935A (en) * | 2016-01-29 | 2016-05-04 | 铜陵有色金属集团股份有限公司铜冠冶化分公司 | Method for removing fluorin ions, sulfate radical ions and iron ions from organic amine liquor |
-
2011
- 2011-07-15 CN CN2011202598365U patent/CN202161906U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540935A (en) * | 2016-01-29 | 2016-05-04 | 铜陵有色金属集团股份有限公司铜冠冶化分公司 | Method for removing fluorin ions, sulfate radical ions and iron ions from organic amine liquor |
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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 |
Granted publication date: 20120314 Termination date: 20170715 |
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| CF01 | Termination of patent right due to non-payment of annual fee |