CN219652755U - Brine fine filtration system utilizing waste ion membranes - Google Patents
Brine fine filtration system utilizing waste ion membranes Download PDFInfo
- Publication number
- CN219652755U CN219652755U CN202321010172.8U CN202321010172U CN219652755U CN 219652755 U CN219652755 U CN 219652755U CN 202321010172 U CN202321010172 U CN 202321010172U CN 219652755 U CN219652755 U CN 219652755U
- Authority
- CN
- China
- Prior art keywords
- brine
- filter
- infusion tube
- transfer line
- membrane
- 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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- 239000012528 membrane Substances 0.000 title claims abstract description 79
- 239000012267 brine Substances 0.000 title claims abstract description 47
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 title claims abstract description 46
- 238000001914 filtration Methods 0.000 title claims abstract description 39
- 239000002699 waste material Substances 0.000 title claims abstract description 28
- 238000001802 infusion Methods 0.000 claims abstract description 31
- 150000003839 salts Chemical class 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 150000002500 ions Chemical class 0.000 abstract description 20
- 239000012535 impurity Substances 0.000 abstract description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011575 calcium Substances 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 6
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 abstract description 4
- 229910001424 calcium ion Inorganic materials 0.000 abstract description 4
- 229910001425 magnesium ion Inorganic materials 0.000 abstract description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052791 calcium Inorganic materials 0.000 abstract description 2
- 239000011777 magnesium Substances 0.000 abstract description 2
- 229910052749 magnesium Inorganic materials 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000001450 anions Chemical group 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a brine fine filtering system utilizing a waste ion membrane, which comprises a salt dissolving tank, wherein the salt dissolving tank is connected with a first infusion tube, a filter press is arranged on the first infusion tube, the first infusion tube is connected with a first middle groove, the first middle groove is connected with a second infusion tube, the second infusion tube is provided with a first water pump, the second infusion tube is connected with a tubular membrane filter, the tubular membrane filter is connected with a third infusion tube, the third infusion tube is connected with a second middle groove, the middle groove is connected with a fourth infusion tube, and the fourth infusion tube is connected with the waste ion membrane filter. According to the utility model, the filter press, the membrane filter and the waste ionic membrane filter are arranged to filter the brine for three times, so that larger particle impurities and smaller calcium and magnesium impurities in the brine are effectively removed, and the filtered brine meets the relevant requirements; calcium and magnesium ions in the brine can be effectively considered through the waste ion membrane filter, and the refined filtration of the brine is realized.
Description
Technical Field
The utility model belongs to the technical field of chemical equipment, and relates to a brine fine filtration system utilizing waste ion membranes.
Background
Industrial salt is dissolved in salt dissolving water and contains a large amount of mechanical impurities and water insoluble matters, the mechanical impurities and the water insoluble matters have great harm to caustic soda produced by an ionic membrane, and therefore, the industrial salt must be treated before entering an electrolytic tank.
Disclosure of Invention
The utility model aims to provide a brine fine filtering system utilizing waste ion membranes, aiming at the problem of poor brine filtering effect in the prior art.
Therefore, the utility model adopts the following technical scheme:
the utility model provides an utilize salt water fine filtration system of old and useless ionic membrane, includes the salt pond that changes, the salt pond that changes is connected with first transfer line, be equipped with the pressure filter on the first transfer line, first transfer line is connected with first intermediate tank, first intermediate tank is connected with the second transfer line, be equipped with first water pump on the second transfer line, the second transfer line is connected with tubular membrane filter, tubular membrane filter is connected with the third transfer line, the third transfer line is connected with the second intermediate tank, the intermediate tank is connected with the fourth transfer line, the fourth transfer line is connected with old and useless ionic membrane filter, old and useless ionic membrane filter is connected with the fluid-discharge tube, be equipped with the fluid-discharge valve on the fluid-discharge tube.
Further, the tubular membrane filter comprises a first tubular membrane assembly, a second tubular membrane assembly and a third tubular membrane assembly which are sequentially connected.
Further, the waste ion membrane filter comprises a filter tank, wherein a filter membrane is arranged in the middle of the filter tank, and the filter membrane divides the filter tank into a first filter chamber and a second filter chamber.
Further, a saline water baffle groove is arranged on the fourth infusion tube and is connected with the fourth infusion tube.
Further, a first electromagnetic valve is arranged on the first infusion tube.
Further, a second electromagnetic valve is arranged on the second infusion tube.
Further, a second electromagnetic valve is arranged on the third infusion tube.
The utility model has the beneficial effects that: the filter press, the membrane filter and the waste ionic membrane filter are arranged to filter the brine for three times, so that larger particle impurities and smaller calcium and magnesium impurities in the brine are effectively removed, and the filtered brine meets the relevant requirements; calcium and magnesium ions in the brine can be effectively considered through the waste ion membrane filter, and the refined filtration of the brine is realized; the use mode is convenient and fast, and the filtering effect is good.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure, a salt dissolving tank, a 2-first infusion tube, a 3-filter press, a 4-first electromagnetic valve, a 5-first middle tank, a 6-second infusion tube, a 7-first water pump, an 8-second electromagnetic valve, a 9-tubular membrane filter, a 901-first tubular membrane assembly, a 902-second tubular membrane assembly, a 903-third tubular membrane assembly, a 10-third infusion tube, a 11-second middle tank, a 12-brine turning tank, a 13-fourth infusion tube, a 14-third electromagnetic valve, a 15-waste ion membrane filter, a 151-filter tank, a 152-filter membrane, a 153-first filter chamber, a 154-second filter chamber, a 16-drain tube and a 17-drain valve are arranged.
Detailed Description
The utility model is described in detail below with reference to the attached drawing figures:
as shown in fig. 1, a salt water fine filtering system utilizing waste ion membranes comprises a salt dissolving tank 1, wherein the salt dissolving tank 1 is used for dissolving solid salt in water, the salt dissolving tank 1 adopts the existing conventional structure, the salt dissolving tank 1 is connected with a first pipe 2, a filter press 3 and a first electromagnetic valve 4 are arranged on the first pipe 2, the filter press 3 adopts the existing conventional plate-and-frame filter press, the first pipe 2 is connected with a first middle groove 5, the salt water after the filter pressing can be temporarily stored in the first middle groove 5, the first middle groove 5 is connected with a second pipe 6, the second pipe 6 is provided with a first water pump 7 and a second electromagnetic valve 8, the second pipe 6 is connected with a tubular membrane filter 9, specifically, the tubular membrane filter 9 comprises a first tubular membrane assembly 901, a second tubular membrane assembly 902 and a third tubular membrane assembly which are sequentially connected, the tubular membrane assemblies 903 are all adopting the existing conventional tubular membrane assemblies, the brine can be subjected to three-stage filtration, some bigger particles are filtered out, the filtered impurities can be recycled, the tubular membrane filter 9 is connected with a third infusion tube 10, the third infusion tube 10 is connected with a second middle tank 11, the filtered solution can be temporarily stored in the second middle tank 11, the second middle tank 11 is connected with a fourth infusion tube 13, the fourth infusion tube 13 is provided with a brine-turning groove 12, the brine-turning groove 12 adopts the conventional turning groove, the brine can adjust the PH value of the brine in the second middle tank 11, then the brine-turning groove 12 is used for leading the brine and the acid solution to be better mixed evenly, the fourth infusion tube 13 is provided with a third electromagnetic valve 14, the fourth infusion tube 13 is connected with a waste ion membrane filter 15, the waste ion membrane filter 15 comprises a filter tank 151, the middle part of the filter tank 151 is provided with a filtering membrane 152, the filtering membrane 152 is a waste ion membrane in chlor-alkali production, the side chain of the waste ion membrane is provided with sulfonic acid groups or carboxylic acid groups and other anion functional groups, the ion exchange membrane is utilized to have the characteristic of selective permeation to anions and cations, the solution is filtered, when the ion membrane is used until the membrane (current efficiency) is lower than 90% or even lower than 92%, the ion membrane is discarded as waste, nearly 6.5 ten thousand ion membranes are estimated to be discarded each year, the waste ion membrane is reused, resources can be effectively saved, the filtering membrane 152 separates the filtering tank 151 into a first filtering chamber 153 and a second filtering chamber 154, the waste ion membrane filter 15 is connected with a liquid discharge pipe 16, in particular, the fourth liquid conveying pipe 13 is connected with the first filtering chamber 152, the liquid discharge pipe 16 is connected with the second filtering chamber 154, and the liquid discharge valve 17 is arranged on the liquid discharge pipe 16.
The application mode of the utility model is as follows:
firstly, solid salt particles and clear water are placed in a salt dissolving tank 1, water is added into the salt dissolving tank 1, so that the solid salt particles are melted into brine, then a first electromagnetic valve 4 is started, the brine in the salt dissolving tank 1 flows into a first middle tank 5 through a first infusion tube 2, in the process, a filter press 3 presses the brine to filter out larger impurity particles in the brine, then a first water pump 7 and a second electromagnetic valve 8 can be started, the brine in the first middle tank 5 enters a tubular membrane filter 9, three-stage filtration is carried out through a first tubular membrane assembly 901, a second tubular membrane assembly 902 and a third tubular membrane assembly 903, mechanical impurities above 5 mu m in the brine are filtered, the filtered brine is input into a second middle tank 11 through a third infusion tube 10 for temporary storage, hydrochloric acid can be added into the second middle tank 11 for adjusting the PH value of the brine at the moment, the PH value of the brine is regulated to 3-5, so that all acid soluble matters in the brine are changed into ionic state, then the third electromagnetic valve 14 is opened, the brine in the second intermediate tank 11 is input into the waste ion membrane filter 15 through the fourth infusion tube 13 and the brine diversion trench 12, the brine and the hydrochloric acid can be well mixed evenly in the chamber through the brine diversion trench 12, specifically, the brine enters the first filtering chamber 153, at the moment, qualified low-concentration brine is added into the second filtering chamber 154, sodium ions in the first filtering chamber 153 enter the second filtering chamber 154 by utilizing the selective permeability of the filtering membrane 152, calcium and magnesium ions are remained in the first filtering chamber 153, when the salt concentration in the first filtering chamber 153 is consistent with that in the second filtering chamber 154, the filtration of calcium and magnesium ions is completed, the fine filtration of the brine is realized, after the filtration is completed, the drain valve 17 is opened to drain the brine in the second filter chamber 154 from the drain pipe 16, and the brine in the first filter chamber 153 is pumped out by a water pump to be recovered and filtered simultaneously.
Claims (7)
1. The utility model provides an utilize salt water fine filtration system of old and useless ionic membrane, its characterized in that includes the salt pond, the salt pond of dissolving is connected with first transfer line, be equipped with the pressure filter on the first transfer line, first transfer line is connected with first intermediate tank, first intermediate tank is connected with the second transfer line, be equipped with first water pump on the second transfer line, the second transfer line is connected with tubular membrane filter, tubular membrane filter is connected with the third transfer line, the third transfer line is connected with the second intermediate tank, the intermediate tank is connected with the fourth transfer line, the fourth transfer line is connected with old and useless ionic membrane filter, old and useless ionic membrane filter is connected with the fluid-discharge tube, be equipped with the fluid-discharge valve on the fluid-discharge tube.
2. The brine fine filtration system utilizing waste ion membranes of claim 1 wherein the tubular membrane filter comprises a first tubular membrane module, a second tubular membrane module and a third tubular membrane module connected in sequence.
3. The brine fine filtration system using waste ion membranes according to claim 1, wherein the waste ion membrane filter comprises a filter tank, a filter membrane is arranged in the middle of the filter tank, and the filter membrane divides the filter tank into a first filter chamber and a second filter chamber.
4. The fine filtration system for brine by using waste ionic membranes according to claim 1, wherein the fourth infusion tube is provided with a brine baffling groove for connection.
5. The fine filtration system for brine using waste ionic membranes according to claim 1, wherein the first electromagnetic valve is provided on the first infusion tube.
6. The fine filtration system for brine using waste ionic membrane according to claim 1, wherein the second electromagnetic valve is provided on the second transfusion tube.
7. The fine filtration system for brine by using waste ionic membranes according to claim 1, wherein a third electromagnetic valve is arranged on the fourth infusion tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321010172.8U CN219652755U (en) | 2023-04-28 | 2023-04-28 | Brine fine filtration system utilizing waste ion membranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321010172.8U CN219652755U (en) | 2023-04-28 | 2023-04-28 | Brine fine filtration system utilizing waste ion membranes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219652755U true CN219652755U (en) | 2023-09-08 |
Family
ID=87859715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321010172.8U Active CN219652755U (en) | 2023-04-28 | 2023-04-28 | Brine fine filtration system utilizing waste ion membranes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219652755U (en) |
-
2023
- 2023-04-28 CN CN202321010172.8U patent/CN219652755U/en active Active
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