CN208839377U - A kind of system using membrane technology purifying polyfunctional surfactant - Google Patents
A kind of system using membrane technology purifying polyfunctional surfactant Download PDFInfo
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- CN208839377U CN208839377U CN201821515910.3U CN201821515910U CN208839377U CN 208839377 U CN208839377 U CN 208839377U CN 201821515910 U CN201821515910 U CN 201821515910U CN 208839377 U CN208839377 U CN 208839377U
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Abstract
The utility model discloses a kind of systems using membrane technology purifying polyfunctional surfactant, including level-one stoste case, level-one nanofiltration membrane, second level stoste case and two-pass reverse osmosis film, level-one stoste case and be sequentially connected backward first-level transport pump, level-one security filter, first-class heat exchanger and level-one high-pressure pump access level-one nanofiltration membrane water inlet, level-one nanofiltration membrane concentrated water spout connects finished product box, and level-one nanofiltration membrane fresh water mouth accesses second level stoste case；Second level stoste case is sequentially connected two-stage conveying pump, second level security filter, secondary heat exchanger and second level high-pressure pump access two-pass reverse osmosis film water inlet, two-pass reverse osmosis film concentrated water spout backward and connects crude product tank, and two-pass reverse osmosis film fresh water mouth accesses second level water producing tank；The second level water producing tank accesses level-one stoste case by delivery pump.
Description
Technical field
The utility model relates to polyfunctional surfactant purification techniques more particularly to a kind of utilization membrane technology to purify more function
The system of energy surfactant.
Background technique
Surfactant, which refers to, is added the substance that significant change occurs for the interface state that can make its solution system on a small quantity.Surface
Activating agent has fixed hydrophilic radical and lipophilic group, can align on the surface of solution.According to the difference of hydrophilic radical,
Surfactant can be divided into anionic surfactant, cationic surfactant, nonionic surfactant, amphoteric surface's work
Property agent, can further classify according to the structure difference of hydrophilic radical, again as anionic surfactant can be further divided into
Sulfonate type, carboxylic acid type, sulfate type etc., cationic surfactant can be further divided into quaternary ammonium salt, betaines etc..
The commercialization history of polyfunctional surfactant nearly 40 years, as the development of manufacturing technology and the update of detergent product are changed
Generation, the multifunctionality and composition adjustability of polyfunctional surfactant are conducive to its application in detergent for household use.
Polyfunctional surfactant in this patent refers to disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and hexadecyl diphenyloxide
Sodium disulfonate.
The shortcomings that prior art:
Disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate is with dodecyl diphenyl oxide, SO3It is raw material with NaOH etc., solution is prepared
Afterwards, sulfonated reaction, then the processes such as neutralized, solvent recovery and distillation generate；Cetyl diphenyl ether sodium disulfonate is with ten
Six alkyl diphenyl ethers, SO3It is raw material with NaOH etc., after solution is prepared, sulfonated reaction, then neutralized, solvent recovery and distillation
Etc. processes generate.Both Product Process are almost the same, contain activating agent in the crude product activator solution obtained after solvent recovery
45% or so, in addition also contain about 2% sodium sulphate, and this part of sulfuric acid sodium has seriously affected the quality of product, currently without very
Effective method is removed, and is maintained in product.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of utilization membrane technology purifying polyfunctional surfactant
System, it is intended to solve in existing disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and cetyl diphenyl ether sodium disulfonate preparation process,
The problem of sodium sulphate content excessively high quality for having seriously affected product.
To achieve the above object, the utility model provides the following technical solutions: a kind of to purify multifunctional meter using membrane technology
The system of face activating agent, including level-one stoste case, level-one nanofiltration membrane, second level stoste case and two-pass reverse osmosis film,
Level-one stoste case and to be sequentially connected first-level transport pump, level-one security filter, first-class heat exchanger and level-one backward high
Press pump accesses level-one nanofiltration membrane water inlet, and level-one nanofiltration membrane concentrated water spout connects finished product box, and level-one nanofiltration membrane fresh water mouth accesses second level
Stoste case；
Second level stoste case is sequentially connected two-stage conveying pump, second level security filter, secondary heat exchanger and second level high pressure backward
Pump access two-pass reverse osmosis film water inlet, two-pass reverse osmosis film concentrated water spout connect crude product tank, the access of two-pass reverse osmosis film fresh water mouth
Second level water producing tank；
The second level water producing tank accesses level-one stoste case by delivery pump.
Preferably, the level-one nanofiltration membrane concentrated water spout also passes through valve tieback level-one stoste case, and level-one nanofiltration membrane concentrated water
Valve also is provided between mouth and finished product box.
Preferably, the two-pass reverse osmosis film concentrated water spout also passes through valve tieback second level stoste case, and two-pass reverse osmosis film
Valve also is provided between crude product tank.
It preferably, further include cleaning case, the cleaning case contains deionized water, is connect respectively by valve through delivery pumps at different levels
Water outlet passes through valve tieback cleaning case after entering level-one nanofiltration membrane and two-pass reverse osmosis film.
It preferably, further include several for controlling the valve of pipeline on-off between each component.
Preferably, the level-one nanofiltration membrane operating pressure is 3.0-4.0MPa, and two-pass reverse osmosis film operating pressure is 2.0-
4.0MPa。
The utility model has the beneficial effects that the concentration of activator solution recycling sodium sulphate is low, quality is good；What level-one film used
It is nanofiltration membrane, molecular cut off 200-800Dal；Secondary membrane is using reverse osmosis membrane；It is needed in level-one film operational process
It wants interim addition deionized water or secondary membrane to produce water, the concentration of sodium sulphate, while water resources rational is reduced by filter wash
It utilizes, amount of water is equal with activator solution amount of the leading portion after solvent recovery；Equipment operation pressure, can basis in 0-4.0MPa
Customer requirement customizes the integrated equipment of various treating capacities.
Detailed description of the invention
Fig. 1 is the system flow chart of the utility model.
Specific embodiment
As shown in Figure 1, a kind of system using membrane technology purifying polyfunctional surfactant, including level-one stoste case 1, one
Grade nanofiltration membrane 6, second level stoste case 7 and two-pass reverse osmosis film 12,
Level-one stoste case 1 and be sequentially connected backward first-level transport pump 2, level-one security filter 3, first-class heat exchanger 4 and one
Grade high-pressure pump 5 accesses 6 water inlet of level-one nanofiltration membrane, and 6 concentrated water spout of level-one nanofiltration membrane connects finished product box, 6 fresh water mouth of level-one nanofiltration membrane
Access second level stoste case 7；
Second level stoste case 7 is sequentially connected two-stage conveying pump 8, second level security filter 9, secondary heat exchanger 10 and second level backward
High-pressure pump 11 accesses 12 water inlet of two-pass reverse osmosis film, and 12 concentrated water spout of two-pass reverse osmosis film connects crude product tank, two-pass reverse osmosis film
12 fresh water mouths access second level water producing tank 13；
The second level water producing tank 13 accesses level-one stoste case 1 by delivery pump 14.
It further include several for controlling the valve (as shown in Figure 1) of pipeline on-off between each component.
6 concentrated water spout of level-one nanofiltration membrane also passes through valve tieback level-one stoste case 1, and 6 concentrated water spout of level-one nanofiltration membrane with
Valve also is provided between finished product box；12 concentrated water spout of two-pass reverse osmosis film also passes through valve tieback second level stoste case 7, and second level
Valve also is provided between reverse osmosis membrane 12 and crude product tank.
It further include cleaning case 15, the cleaning case 15 contains deionized water, is respectively connected to by valve through delivery pumps at different levels
Water outlet passes through valve tieback cleaning case 15 after level-one nanofiltration membrane 6 and two-pass reverse osmosis film 12.
Activator solution of the leading portion after solvent recovery enters level-one stoste case 1, reaches certain liquid in level-one stoste case
Its valve opening first-level transport pump 2 is opened after the height of position, feed liquid just sequentially enters level-one cartridge filter 3, level-one high-pressure pump 5
Into 6 water inlet of level-one nanofiltration membrane, level-one high-pressure pump 5 is opened after system is hydraulically full, after level-one high-pressure pump 5 is opened equipment into
Enter operating status, wherein 6 operating pressure of level-one nanofiltration membrane is 3.0-4.0MPa, is by the maintenance of first-class heat exchanger 4 running temperature
Room temperature, 6 fresh water mouth fresh water active agent content of level-one nanofiltration membrane are lower than 3%, and sodium sulphate content about 1% is anti-using fresh water as second level
The raw water of permeable membrane 12 enters second level stoste case 7, and 6 concentrated water spout concentrated water active agent content of level-one nanofiltration membrane reaches 48% or more, sulphur
Sour sodium content is lower than 0.5%, i.e. finished fluid, only opens in valve input finished product box, it is desirable alternatively to reach higher concentration, then only
It opens another valve and concentrated water is returned into level-one stoste case 1, subsequent output concentrated water is re-used as finished fluid；
Valve opening two-stage conveying pump 8 is opened after the height that second level stoste case 7 reaches certain liquid level, feed liquid is just successively
Into second level cartridge filter 9, second level high-pressure pump 11 and two-pass reverse osmosis film 12, second level high-pressure pump after system is hydraulically full
11, equipment enters operating status after second level high-pressure pump 11 is opened, and 12 operating pressure of two-pass reverse osmosis film is 2.0-4.0MPa, passes through
It is room temperature that secondary heat exchanger 10, which maintains running temperature, and 12 concentrated water active agent content of two-pass reverse osmosis film reaches 10% or more, sulfuric acid
Sodium content 5% enters crude product tank above by this, it is desirable alternatively to reach higher concentration, then only open another valve and return to concentrated water
Second level stoste case 7, subsequent output concentrated water are re-used as crude product liquid；And 12 fresh water active agent content of two-pass reverse osmosis film is lower than 0.2%,
Sodium sulphate content about 0.1%；
12 fresh water of two-pass reverse osmosis film is returned into level-one stoste case 1 by the concentration of filter wash reduction sodium sulphate, is rationally utilized
Resource reduces deionized water and uses.
After equipment runs some cycles, processing capacity can be declined, we are extensive come help system using chemical cleaning
Renaturation energy is first put into deionized water when chemical cleaning in cleaning water tank 15, then is rinsed the feed liquid in system with deionized water
Completely, i.e., first-level transport pump 2 and two-stage conveying pump 8 are accessed by independent valve, it is anti-hence into level-one nanofiltration membrane 6 and second level
Permeable membrane 12, water is by individual valve from the concentrated water spout and fresh water mouth of level-one nanofiltration membrane 6 and two-pass reverse osmosis film 12 after flushing
Cleaning case 15 is returned, cleaning solution has then been configured in cleaning case 15, then recycles 1-2 hours in systems with cleaning solution, finally
Cleaning solution is emptied, then the state that can resume production after the cleaning solution in system is rinsed well with deionized water.
The utility model purifies crude product activator solution using two-stage organic film, wherein level-one organic film operation pressure
Power is 3.0-4.0MPa, and running temperature is room temperature, and level-one organic film concentrated water active agent content reaches 48% or more, sodium sulphate content
Lower than 0.5%, i.e., finished fluid, level-one organic film fresh water active agent content are lower than 3%, and sodium sulphate content about 1% is organic with level-one
Film fresh water enters second level organic film as the raw water of second level organic film, and second level organic film operating pressure is 2.0-4.0MPa, operation
Temperature is room temperature, and second level organic film concentrated water active agent content reaches 10% or more, 5% or more sodium sulphate content, second level organic film
Fresh water active agent content is lower than 0.2%, sodium sulphate content about 0.1%.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. it is a kind of using membrane technology purifying polyfunctional surfactant system, which is characterized in that including level-one stoste case (1),
Level-one nanofiltration membrane (6), second level stoste case (7) and two-pass reverse osmosis film (12),
Level-one stoste case (1) and be sequentially connected backward first-level transport pump (2), level-one security filter (3), first-class heat exchanger (4)
Level-one nanofiltration membrane (6) water inlet is accessed with level-one high-pressure pump (5), level-one nanofiltration membrane (6) concentrated water spout connects finished product box, level-one nanofiltration
Film (6) fresh water mouth accesses second level stoste case (7)；
Second level stoste case (7) be sequentially connected backward two-stage conveying pump (8), second level security filter (9), secondary heat exchanger (10) with
Second level high-pressure pump (11) access two-pass reverse osmosis film (12) water inlet, two-pass reverse osmosis film (12) concentrated water spout connection crude product tank, two
Grade reverse osmosis membrane (12) fresh water mouth access second level water producing tank (13)；
The second level water producing tank (13) passes through delivery pump (14) access level-one stoste case (1).
2. a kind of system using membrane technology purifying polyfunctional surfactant according to claim 1, which is characterized in that institute
It states level-one nanofiltration membrane (6) concentrated water spout and also passes through valve tieback level-one stoste case (1), and level-one nanofiltration membrane (6) concentrated water spout and finished product
Valve also is provided between case.
3. a kind of system using membrane technology purifying polyfunctional surfactant according to claim 1, which is characterized in that institute
It states two-pass reverse osmosis film (12) concentrated water spout and also passes through valve tieback second level stoste case (7), and two-pass reverse osmosis film (12) and crude product
Valve also is provided between tank.
4. a kind of system using membrane technology purifying polyfunctional surfactant according to claim 1, which is characterized in that also
Including cleaning case (15), the cleaning case (15) contains deionized water, is respectively connected to level-one through delivery pumps at different levels by valve and receives
Water outlet passes through valve tieback cleaning case (15) afterwards for filter membrane (6) and two-pass reverse osmosis film (12).
5. a kind of system using membrane technology purifying polyfunctional surfactant according to claim 1, which is characterized in that also
Including several for controlling the valve of pipeline on-off between each component.
6. a kind of system using membrane technology purifying polyfunctional surfactant according to claim 1, which is characterized in that institute
Stating level-one nanofiltration membrane (6) operating pressure is 3.0-4.0MPa, and two-pass reverse osmosis film (12) operating pressure is 2.0-4.0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821515910.3U CN208839377U (en) | 2018-09-17 | 2018-09-17 | A kind of system using membrane technology purifying polyfunctional surfactant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821515910.3U CN208839377U (en) | 2018-09-17 | 2018-09-17 | A kind of system using membrane technology purifying polyfunctional surfactant |
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| Publication Number | Publication Date |
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| CN208839377U true CN208839377U (en) | 2019-05-10 |
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|---|---|---|---|
| CN201821515910.3U Active CN208839377U (en) | 2018-09-17 | 2018-09-17 | A kind of system using membrane technology purifying polyfunctional surfactant |
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| CN (1) | CN208839377U (en) |
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2018
- 2018-09-17 CN CN201821515910.3U patent/CN208839377U/en active Active
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