CN213416550U - Desalted water treatment device for methanol hydrogen production - Google Patents
Desalted water treatment device for methanol hydrogen production Download PDFInfo
- Publication number
- CN213416550U CN213416550U CN202022110776.2U CN202022110776U CN213416550U CN 213416550 U CN213416550 U CN 213416550U CN 202022110776 U CN202022110776 U CN 202022110776U CN 213416550 U CN213416550 U CN 213416550U
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- Prior art keywords
- reverse osmosis
- water
- water tank
- module
- osmosis module
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 158
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 34
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 20
- 239000001257 hydrogen Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 95
- 238000000909 electrodialysis Methods 0.000 claims abstract description 31
- 238000010612 desalination reaction Methods 0.000 claims abstract description 28
- 238000004140 cleaning Methods 0.000 claims description 16
- 239000002351 wastewater Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 description 8
- 239000012141 concentrate Substances 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000011033 desalting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
The utility model relates to a desalination water treatment technical field discloses a methanol hydrogen production is with desalination water treatment facilities, including filter equipment, last raw water entry and the former water tank of being connected with of filter equipment, the delivery port of former water tank is connected to the electrodialysis device, be equipped with the raw water pump between former water tank and the electrodialysis device, the fresh water mouth of electrodialysis device is connected to first reverse osmosis module, thick mouth of a river is connected to middle water tank, be equipped with first high-pressure pump between electrodialysis device and the first reverse osmosis module, the fresh water mouth of first reverse osmosis module is connected to the desalination water tank, thick mouth of a river is connected to middle water tank, middle water tank delivery port is connected to second reverse osmosis module, be equipped with the second high-pressure pump between middle water tank and the second reverse osmosis module, the fresh water mouth of second reverse osmosis module is connected to the desalination. An object of the utility model is to provide a methanol hydrogen is desalted water processing apparatus for improve the desalination rate when satisfying the high yield demand.
Description
Technical Field
The utility model relates to a demineralized water treatment technical field especially relates to a demineralized water treatment device for methyl alcohol hydrogen manufacturing.
Background
The hydrogen production by methanol reforming is a commonly used hydrogen production method at present, desalted water is one of main raw materials for hydrogen production by methanol reforming, and at present, the modes for desalting raw water mainly comprise: the distillation method, the electrodialysis method, the ion exchange method and the reverse osmosis method are adopted, the distillation method is adopted alone, the water yield is low, the electrodialysis method is adopted alone, the desalination rate is low, the reverse osmosis method is adopted alone, the reverse osmosis membrane pressure is too high, the service life is influenced, and the ion exchange method is adopted, so that the steps are complex.
In order to meet the requirement of preparing high-quality desalted water in large quantity, a desalted water device with high water yield and high desalting rate is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a methanol hydrogen is desalted water processing apparatus for improve the desalination rate when satisfying the high yield demand.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a methanol hydrogen is desalted water treatment facilities, including filter equipment, last raw water entry and the former water tank of being connected with of filter equipment, the delivery port of former water tank is connected to the electrodialysis device, be equipped with the raw water pump between former water tank and the electrodialysis device, the fresh water mouth of electrodialysis device is connected to first reverse osmosis module, dense mouth of a river is connected to middle water tank, be equipped with first high-pressure pump between electrodialysis device and the first reverse osmosis module, the fresh water mouth of first reverse osmosis module is connected to the desalination water tank, dense mouth of a river is connected to middle water tank, middle water tank delivery port is connected to second reverse osmosis module, be equipped with the second high-pressure pump between middle water tank and the second reverse osmosis module, the fresh water mouth of second reverse osmosis module is connected.
In the desalted water treatment device, raw water passes through the raw water inlet filtering device, solid impurities such as particles in the raw water are filtered, then the raw water enters the raw water tank, the raw water in the raw water tank is injected into the electrodialysis device by the raw water pump for primary desalination, the raw water after primary desalination flows out from a fresh water port of the electrodialysis device, the raw water after primary desalination enters the first reverse osmosis module for secondary desalination after being pressurized by the first high-pressure pump, desalted water after secondary desalination flows into the desalted water tank from a fresh water outlet of the first reverse osmosis module, concentrated water in the electrodialysis device and concentrated water in the first reverse osmosis device enter the middle water tank from a concentrated water outlet of the electrodialysis device, the concentrated water after secondary desalination flows into the desalted water tank from a fresh water port of the second reverse osmosis module, and the concentrated water flows into the concentrated water tank from a concentrated water outlet for recovery.
Further, the first reverse osmosis module and the second reverse osmosis module respectively comprise more than two reverse osmosis units, and the functions of the reverse osmosis units are as follows: the reverse osmosis device is convenient to clean, and the problem that equipment cannot work normally during cleaning is avoided.
Further, the reverse osmosis unit includes reverse osmosis unit, and reverse osmosis unit's the end of intaking is installed the second solenoid valve, is gone out the water end and is installed first solenoid valve, and its effect lies in: when a certain reverse osmosis device is cleaned, the electromagnetic valves at two ends of the reverse osmosis device are closed, so that other reverse osmosis modules can keep working normally.
Further, reverse osmosis unit's water inlet is connected with the washing module, installs charge pump and third solenoid valve between washing module and the reverse osmosis unit, and reverse osmosis unit's delivery port is connected to and washs the waste water case, installs the fourth solenoid valve between reverse osmosis unit and the clear waste water case, and its effect lies in: so that the equipment can automatically complete the cleaning of the reverse osmosis device.
Technical scheme more than combining, compare with prior art, the utility model provides a methanol hydrogen is desalted water treatment facilities for hydrogen production, its beneficial effect is:
the utility model provides a desalted water treatment facilities can satisfy the demand of high yield, through preliminary desalination of electrodialysis and reverse osmosis desalination once more improved the desalination, in view of reverse osmosis unit work after a period, reverse osmosis membrane can receive remaining suspended solid in the raw water or indissolvable thing's influence, need in time wash, equipment need be in the stop condition when adopting reverse osmosis unit more than two can avoid wasing reverse osmosis unit, installation cleaning module has realized reverse osmosis unit's self-cleaning on reverse osmosis unit, the degree of automation of desalted water process has been promoted
Drawings
Fig. 1 is a schematic structural diagram of a desalted water treatment device for hydrogen production from methanol according to the present invention.
Fig. 2 is a schematic structural diagram of a reverse osmosis unit according to the present invention.
The system comprises a filtering device 1, a raw water tank 2, a raw water pump 3, an electrodialysis device 4, a first high-pressure pump 5, a first reverse osmosis module 6, a reverse osmosis unit 61, a reverse osmosis device 611, a first electromagnetic valve 612, a second electromagnetic valve 613, a cleaning module 614, a liquid injection pump 615, a third electromagnetic valve 616, a fourth electromagnetic valve 617, a cleaning wastewater tank 618, a second reverse osmosis module 7, a desalted water tank 8, an intermediate water tank 9, a concentrated water tank 10, a high-pressure pump 11 and a raw water inlet 12.
Detailed Description
For a detailed description of the technical features and the objects and effects achieved by the present invention, further description is made below with reference to the accompanying drawings:
as shown in fig. 1-2, a desalted water treatment device for producing hydrogen from methanol comprises a filter device 1, wherein the filter device 1 is connected with a raw water inlet 12 and a raw water tank 2, a water outlet of the raw water tank 2 is connected with an electrodialysis device 4, a raw water pump 3 is arranged between the raw water tank 2 and the electrodialysis device 4, a fresh water port of the electrodialysis device 4 is connected with a first reverse osmosis module 6, a concentrated water port is connected with an intermediate water tank 9, a first high-pressure pump 5 is arranged between the electrodialysis device 4 and the first reverse osmosis module 6, a fresh water port of the first reverse osmosis module 6 is connected with a desalted water tank 8, the concentrated water port is connected to the middle water tank 9, the water outlet of the middle water tank 9 is connected to the second reverse osmosis module 7, a second high-pressure pump 11 is arranged between the middle water tank 9 and the second reverse osmosis module 7, the fresh water port of the second reverse osmosis module 7 is connected to the desalted water tank 8, and the concentrated water port is connected to the concentrated water tank 10.
Preferably, the first reverse osmosis module 6 and the second reverse osmosis module 7 each comprise more than two reverse osmosis units 61.
Preferably, the reverse osmosis unit 61 comprises a reverse osmosis device 611, wherein the water inlet end of the reverse osmosis device 611 is provided with a second electromagnetic valve 613, and the water outlet end of the reverse osmosis device 611 is provided with a first electromagnetic valve 612.
Preferably, a cleaning module 614 is connected to a water inlet of the reverse osmosis device 611, a liquid injection pump 615 and a third electromagnetic valve 616 are installed between the cleaning module 614 and the reverse osmosis device 611, a water outlet of the reverse osmosis device 611 is connected to a cleaning wastewater tank 618, and a fourth electromagnetic valve 617 is installed between the reverse osmosis device 611 and the cleaning wastewater tank 618.
The utility model provides a methanol hydrogen is desalted water processing apparatus for hydrogen manufacturing, its concrete implementation step as follows: .
Raw water for preparing desalted water is injected into the filtering device 1 from a raw water inlet 12, large and small particles in the raw water are filtered, filtered water is formed, and the filtered water enters the raw water tank 2;
the raw water pump 3 injects the filtered water in the raw water tank 2 into the electrodialysis device 4, the electrodialysis device 4 carries out preliminary desalination on the filtered water, preliminary desalted water formed after preliminary desalination is discharged from a fresh water port of the electrodialysis device 4, and concentrated water rich in anions and cations is discharged from a concentrated water port of the electrodialysis device 4.
The preliminary desalted water discharged from the fresh water port of the electrodialysis device 4 is pressurized by the first high-pressure pump 5 and then injected into the first reverse osmosis module 6, at this time, the third electromagnetic valve 616 and the fourth electromagnetic valve 617 are in a closed state, the first electromagnetic valve 612 and the second electromagnetic valve 613 are in an open state, the preliminary desalted water is desalted again by the reverse osmosis device 611, the desalted water which is desalted again flows out of the fresh water port of the reverse osmosis device 611 and is injected into the desalted water tank 8, and the concentrated water is discharged from the concentrated water outlet of the reverse osmosis device 611.
The concentrate discharged from the concentrate ports of the electrodialysis device 4 and the reverse osmosis device 611 is injected into the intermediate water tank 9, pressurized by the second high-pressure pump 11 and then injected into the second reverse osmosis module 7, re-desalination is completed in the second reverse osmosis module 7, the desalinated water after re-drawing is injected into the desalinated water tank 8, and the concentrate is injected into the concentrate water tank 10.
Reverse osmosis unit 611 uses needs to wash after a period of time in the utility model provides an among the demineralized water treatment facilities, every reverse osmosis unit can wash alone, and crisscross washing can make equipment keep operating condition, and the first solenoid valve 612 and the second solenoid valve 613 that need abluent reverse osmosis unit both ends are closed, third solenoid valve 616 and fourth solenoid valve 617 are opened, are washed in injecting the washing liquid of washing module 614 and washing medicine injection reverse osmosis unit by infusion pump 615, and the waste liquid after the washing flows into washing waste water tank 618.
According to the implementation of the steps above, the utility model provides a desalination water treatment facilities can carry out continuous bulk production desalination water, behind preliminary desalination of electrodialysis and reverse osmosis desalination once more, its desalination rate is higher to can wash reverse osmosis unit under the condition of not stopping work, realized the self-cleaning to reverse osmosis unit simultaneously, promoted the degree of automation and the equipment work efficiency of desalination water process.
The applicant asserts that the above-described embodiments merely represent the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, but rather, the principles of the invention are described in the above-described embodiments and the description, and that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.
Claims (4)
1. The utility model provides a methanol hydrogen is desalinated water processing apparatus for preparation which characterized in that: including filter equipment, last raw water entry and the former water tank of being connected with of filter equipment, the delivery port of former water tank is connected to the electrodialysis device, be equipped with the raw water pump between former water tank and the electrodialysis device, the fresh water mouth of electrodialysis device is connected to first reverse osmosis module, dense mouth of a river is connected to middle water tank, be equipped with first high-pressure pump between electrodialysis device and the first reverse osmosis module, the fresh water mouth of first reverse osmosis module is connected to the desalination water tank, dense mouth of a river is connected to middle water tank, middle water tank delivery port is connected to second reverse osmosis module, be equipped with the second high-pressure pump between middle water tank and the second reverse osmosis module, the fresh water mouth of second reverse osmosis module is connected to the desalination water.
2. The desalted water treatment apparatus for hydrogen production from methanol according to claim 1, characterized in that: the first reverse osmosis module and the second reverse osmosis module respectively comprise more than two reverse osmosis units.
3. The desalted water treatment apparatus for hydrogen production from methanol according to claim 2, characterized in that: the reverse osmosis unit comprises a reverse osmosis device, a second electromagnetic valve is installed at the water inlet end of the reverse osmosis device, and a first electromagnetic valve is installed at the water outlet end of the reverse osmosis device.
4. The desalted water treatment apparatus for hydrogen production from methanol according to claim 3, characterized in that: the water inlet of the reverse osmosis device is connected with a cleaning module, a liquid injection pump and a third electromagnetic valve are installed between the cleaning module and the reverse osmosis device, the water outlet of the reverse osmosis device is connected to a cleaning waste water tank, and a fourth electromagnetic valve is installed between the reverse osmosis device and the clear waste water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110776.2U CN213416550U (en) | 2020-09-23 | 2020-09-23 | Desalted water treatment device for methanol hydrogen production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022110776.2U CN213416550U (en) | 2020-09-23 | 2020-09-23 | Desalted water treatment device for methanol hydrogen production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213416550U true CN213416550U (en) | 2021-06-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022110776.2U Active CN213416550U (en) | 2020-09-23 | 2020-09-23 | Desalted water treatment device for methanol hydrogen production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213416550U (en) |
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2020
- 2020-09-23 CN CN202022110776.2U patent/CN213416550U/en active Active
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