CN202054629U - Experimental facility for desalinating seawater with gas hydrate method - Google Patents
Experimental facility for desalinating seawater with gas hydrate method Download PDFInfo
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- CN202054629U CN202054629U CN 201120099316 CN201120099316U CN202054629U CN 202054629 U CN202054629 U CN 202054629U CN 201120099316 CN201120099316 CN 201120099316 CN 201120099316 U CN201120099316 U CN 201120099316U CN 202054629 U CN202054629 U CN 202054629U
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Abstract
The utility model relates to a seawater desalinating device, comprising a reaction kettle I (13) and a reaction kettle II (14), wherein the reaction kettle I (13) and the reaction kettle II (14) are both arranged inside a water bath tank (15), the reaction kettle I (13) is communicated with an air cylinder (16) through a second valve (2) and a first valve (1), and the reaction kettle II (14) is communicated with the air cylinder (16) through a twelfth valve (12) and the first valve (1); the bottom end of the reaction kettle I (13) is communicated with the reaction kettle II (14) sequentially through a third valve (3), a laminar flow pump I (20), a fourth valve (4), a seventh valve (7) and a ninth valve (9), and the bottom end of the reaction kettle II (14) is communicated with the reaction kettle I (13) sequentially through an eighth valve (8), a laminar flow pump II (19) and a fifth valve (5); the laminar flow pump II (19) is communicated with a liquid storage tank (18) through an eleventh valve (11); and magnetic force stirring instruments (22) are arranged at the tops of both the reaction kettle I (13) and the reaction kettle II (14), and the reaction kettle I (13) and the reaction kettle II (14) are respectively connected with a data acquisition system (21). The seawater desalinating device circularly and repeatedly performs a process of generating hydrates from seawater and generating desalinated water, and desalinates the seawater stage by stage so as to maximally increase the desalination degree.
Description
Technical field
The utility model relates to a kind of sea water desaltination experimental installation, relates in particular to a kind of experimental installation that indoor gas hydrate method is desalinated seawater of testing.
Background technology
The shortage of China's Freshwater resources amount has become the bottleneck that restricts economic growth and social progress.Can successfully find a water resources to replenish and the effective way of sustainable use, significant.Desalination technology more and more is subjected to the extensive concern of coastal local government as a kind of effective means that solves the Freshwater resources scarcity.
The method of sea water desaltination at present mainly contains distillation method, embrane method, crystallization process, solvent extration, ion exchange method and emerging energy sea water desalination method etc.Distillation method is the desalination method of using the earliest, and its principle is to adopt the method for heating or underpressure distillation, and condensation obtains the steam of second distillation, and distillation obtains desalination water successively.Its shortcoming is that equipment is complicated, the vapour compressor cost is higher, fouling, power consumption are big.Embrane method is with the seawater pressurization, makes fresh water see through the desalination method of selectively permeable membrane.Its shortcoming is that the life-span of film is shorter to pretreated strict, needs periodic replacement, needs heat treated under the lower situation of seawater temperature, and high pressure compressed seawater energy recovery rate is low, has increased water producing cost.Nuclear desalination is to utilize nuclear reactor as energy derive, produces the method for fresh water from seawater.Input cost is very huge, in case have an accident, can damage the ecology and the common people.Environmentally friendly, direct exploitation that desalination with Solar Energy has, need not transport, measure the characteristics of waiting so long that greatly enhance, but shortcoming such as this method exists illumination dispersion, seasonality and region instability, efficient is lower, occupation of land is bigger than normal.
Desalination of sea water by hydrate method is the saluretic effect that generates according to hydrate, select suitable hydrating agents under certain pressure and temperature condition, generate hydrate crystal with the water molecules in the seawater, after cleaning or filtering separation, the water of decomposition compound can obtain purified fresh water.The hydrating agents that decomposes still can recycle, has realized energy-conserving and environment-protective.The forties in 20th century, Parker proposes to utilize Hydrate Technology to extract fresh water from seawater, but this technology never obtains paying attention to.After entering 21 century, this method just reenters people's the visual field.The great advantage of desalination of sea water by hydrate method technology is that energy consumption is low, equipment is simple, compact; Working medium solubleness in water or salt solution is low; Nontoxic, cheap and easy to get, no explosion hazard.According to calculating, produce 1 m
3Fresh water only needs the electric energy of 2.64 degree.In addition,, use the working medium of HCFC-141b, produce 1m as sea water desaltination according to the research report of McCormack
3The cost of fresh water is about 0.5 dollar, and the content of solid dissolvable material has shown good prospects for application in the fresh water that obtains below 100ppm.At present, external more existing researchs aspect the promotor selection of desalination of sea water by hydrate method technology are badly in need of the new technique means of development and are advanced the desalination of sea water by hydrate method industry.
The utility model content
Technique effect of the present utility model can overcome above-mentioned defective, and a kind of gas hydrate method sea water desaltination experimental installation is provided, its improved sea water desaltination efficient, reduced the sea water desaltination cost.
For achieving the above object, the utility model adopts following technical scheme: it comprises reactor I, reactor II, reactor I, reactor II all put in water bath, reactor I is communicated with bomb by second valve, first valve, and reactor II is communicated with bomb by the 12 valve, first valve; The bottom of reactor I is communicated with reactor II by the 3rd valve, constant-flux pump I, the 4th valve, the 7th valve, the 9th valve successively, and the bottom of reactor II is communicated with reactor I by the 8th valve, constant-flux pump II, the 5th valve successively; Constant-flux pump II is communicated with receiver by the 11 valve; Reactor I, reactor II all are provided with the magnetic agitation instrument on the top, reactor I, reactor II are connected with data collecting system respectively.
Device of the present utility model is the two reactor sea water desaltination experimental installations of a cover, realized the mutual circulation of gas, liquid between two stills of device, can generate hydrate seawater, and then the process that the generates desalination water repetition that circulates, desalination greatly improves the desalination degree step by step.Simultaneously, on device, designed the liquid sample mouth, can continuous sampling analysis in desalting process, calculate desalination efficient.The present technique theory is to be different from present comparatively popular sea water desaltination theory fully, belongs to brand-new desalination technology at home.
The experimental installation of this utility model comprises two reactors that have visual window, and reactor volume is 500ml, bears pressure 20MPa, the band magnetic agitation.Thermostatic control system adopts double vision window low-temperature precise constant temperature water bath, temperature-controlled precision ± 0.02K.Gas-circulating system is made up of topping-up pump, air compressor, pipeline and valve.Fluid circulation system is made up of two high pressure pumps, infusion pump maximum working pressure (MWP) 42MPa.
This device can be by CO
2Steel cylinder is to the reactor gas injection, by controlled temperature and pressure, and under the stirring action of stirrer, makes the seawater in the reactor constantly generate hydrate, with residual seawater discharge still outer after, the decomposition of hydrate that generates can be produced desalination water.Sampler valves is installed on the device, in experimentation, can be taken a sample at any time and detect the variation of brinish ion and salinity, to calculate the desalination rate.
Data collecting system comprises temperature sensor and pressure transmitter.Bomb is provided with pressurizing device.Reactor I connects the 6th valve by sampling line I, and reactor II connects the tenth valve by sampling line II.Reactor I, reactor II are communicated with gas recycle pump by the 5th valve, the 7th valve, the 9th valve respectively.
Owing to be two reactors designs, the repetition that therefore can circulate to the process that seawater generates hydrate and then generates desalination water, desalination greatly improves the desalination degree step by step.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is done detailed description:
Fig. 1 is a contour structures synoptic diagram of the present utility model.
Among the figure: 1. first valve; 2. second valve; 3. the 3rd valve; 4. the 4th valve; 5. the 5th valve; 6. the 6th valve; 7. the 7th valve; 8. the 8th valve; 9. the 9th valve; 10. the tenth valve; 11. the 11 valve; 12. the 12 valve; 13. reactor I; 14. reactor II; 15. water bath; 16. bomb; 17. pressurizing device; 18. receiver; 19. constant-flux pump II; 20. constant-flux pump I; 21. data collecting system; 22. magnetic agitation instrument; 23. temperature sensor; 24. pressure transmitter; 25. sampling line I; 26. sampling line II; 27. gas recycle pump.
Embodiment
Device of the present utility model comprises reactor I 13, reactor II 14, reactor I 13, reactor II14 all put in water bath 15, reactor I 13 is communicated with bomb 16 by second valve 2, first valve 1, and reactor II 14 is communicated with bomb 16 by the 12 valve 12, first valve 1; The bottom of reactor I 13 is communicated with reactor II 14 by the 3rd valve 3, constant-flux pump I 20, the 4th valve 4, the 7th valve 7, the 9th valve 9 successively, and the bottom of reactor II 14 is communicated with reactor I 13 by the 8th valve 8, constant-flux pump II 19, the 5th valve 5 successively; Constant-flux pump II 19 is communicated with receiver 18 by the 11 valve 11; Reactor I13, reactor II 14 all are provided with magnetic agitation instrument 22 on the top, reactor I 13, reactor II 14 are connected with data collecting system 21 respectively.
Two kettlies of this device are communicated with, and workflow is as follows:
(1) will add seawater, gas in the reactor I 13 earlier (as CO
2Deng) enter reactor I 13 by bomb 16 through first valve 1, second valve 2, add promotor, reduce the temperature of water bath 15, make it in reactor I 13, to generate hydrate.Can be got the variation of part seawater monitoring salinity this moment by the 6th valve 6.
(2) after reaction was finished, the salt solution in the reactor I 13 entered reactor II 14 through the 3rd valve 3, constant-flux pump I 20, the 4th valve 4, the 7th valve 7, the 9th valve 9.Source of the gas gas enters reactor II 14 through first valve the 1, the 12 valve 12, makes it to generate hydrate once more according to same steps as in reactor II 14.
(3) after reaction was finished, the salt solution in the reactor II 14 entered receiver 18 through the 8th valve the 8, the 11 valve 11.Can be got the variation of part seawater monitoring salinity this moment by the tenth valve 10.
(4) rising water bath 15 temperature make decomposition of hydrate in reactor I 13, the reactor II 14.The aqueous solution after decomposing in the reactor II 14 enters reactor I13 through the 8th valve 8, constant-flux pump II 19, the 5th valve 5.So far one-level desalination is finished.
(5) repeating step (1) makes it to generate hydrate in reactor I 13.
(6) repeating step (2), (3), (4).So far secondary desalination is finished.
But recirculation is carried out multistage desalination as required.Record institute consumes power, temperature, pressure, reacting weight and the isoparametric variation of speed of reaction.
Claims (5)
1. gas hydrate method sea water desaltination experimental installation, it is characterized in that, comprise reactor I (13), reactor II (14), reactor I (13), reactor II (14) all put in water bath (15), reactor I (13) is communicated with bomb (16) by second valve (2), first valve (1), and reactor II (14) is communicated with bomb (16) by the 12 valve (12), first valve (1); The bottom of reactor I (13) is communicated with reactor II (14) by the 3rd valve (3), constant-flux pump I (20), the 4th valve (4), the 7th valve (7), the 9th valve (9) successively, and the bottom of reactor II (14) is communicated with reactor I (13) by the 8th valve (8), constant-flux pump II (19), the 5th valve (5) successively; Constant-flux pump II (19) is communicated with receiver (18) by the 11 valve (11); Reactor I (13), reactor II (14) all are provided with magnetic agitation instrument (22) on the top, reactor I (13), reactor II (14) are connected with data collecting system (21) respectively.
2. gas hydrate method sea water desaltination experimental installation according to claim 1 is characterized in that data collecting system (21) comprises temperature sensor (23) and pressure transmitter (24).
3. gas hydrate method sea water desaltination experimental installation according to claim 2 is characterized in that bomb (16) is provided with pressurizing device (17).
4. gas hydrate method sea water desaltination experimental installation according to claim 3 is characterized in that, reactor I (13) connects the 6th valve (6) by sampling line I (25), and reactor II (14) connects the tenth valve (10) by sampling line II (26).
5. gas hydrate method sea water desaltination experimental installation according to claim 4 is characterized in that, reactor I (13), reactor II (14) are communicated with gas recycle pump (27) by the 5th valve (5), the 7th valve (7), the 9th valve (9) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120099316 CN202054629U (en) | 2011-04-07 | 2011-04-07 | Experimental facility for desalinating seawater with gas hydrate method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120099316 CN202054629U (en) | 2011-04-07 | 2011-04-07 | Experimental facility for desalinating seawater with gas hydrate method |
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| Publication Number | Publication Date |
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| CN202054629U true CN202054629U (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120099316 Expired - Fee Related CN202054629U (en) | 2011-04-07 | 2011-04-07 | Experimental facility for desalinating seawater with gas hydrate method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104591436A (en) * | 2015-01-04 | 2015-05-06 | 大连理工大学 | Gas hydrate method sewage treatment system |
| CN108525473A (en) * | 2018-06-14 | 2018-09-14 | 河南理工大学 | Phase transformation ionic liquid hydration method trapping separation CO2/CH4/N2System and device |
| CN113461084A (en) * | 2018-05-11 | 2021-10-01 | 兰州理工大学 | System and method for desalting seawater by gas hydrate method |
-
2011
- 2011-04-07 CN CN 201120099316 patent/CN202054629U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104591436A (en) * | 2015-01-04 | 2015-05-06 | 大连理工大学 | Gas hydrate method sewage treatment system |
| CN113461084A (en) * | 2018-05-11 | 2021-10-01 | 兰州理工大学 | System and method for desalting seawater by gas hydrate method |
| CN108525473A (en) * | 2018-06-14 | 2018-09-14 | 河南理工大学 | Phase transformation ionic liquid hydration method trapping separation CO2/CH4/N2System and device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20120407 |