CN103864248A - Small-scale electro-absorption desalination apparatus - Google Patents
Small-scale electro-absorption desalination apparatus Download PDFInfo
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- CN103864248A CN103864248A CN201210531188.3A CN201210531188A CN103864248A CN 103864248 A CN103864248 A CN 103864248A CN 201210531188 A CN201210531188 A CN 201210531188A CN 103864248 A CN103864248 A CN 103864248A
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Abstract
The present invention relates to a small-scale electro-absorption desalination apparatus, which comprises a raw water tank, a quartz sand column, an electro-absorption device and a water storage tank, wherein the raw material tank is connected with the top end of the quartz sand column, the top of the quartz sand column is provided with a sand filtration column backwashing water outlet pipe, the bottom of the quartz sand column is provided with a sand filtration column water outlet pipe, the sand filtration column water outlet pipe is connected with the lower portion of one side of the electro-absorption device, the lower portion of one side of the electro-absorption device is provided with an electro-absorption device backwashing water outlet pipe, the other side of the electro-absorption device is arranged inside the water storage tank through a water outlet pipe, the lower portion of one side of the water storage tank is respectively provided with a water outlet having a water outlet control valve and a pipeline III, the pipeline III is respectively connected with an electro-absorption device backwashing water inlet pipe and a sand filtration column backwashing water inlet pipe, the terminal end of the electro-absorption device backwashing water inlet pipe is connected with the upper portion of one side of the electro-absorption device, and the terminal end of the sand filtration column backwashing water inlet pipe is connected with the bottom of the quartz sand column. The small-scale electro-absorption desalination apparatus has characteristics of simple structure, low cost, easy operation and reliable and stable running, and is suitable for brackish water in the northwest villages and small towns.
Description
Technical field
The present invention relates to rural potable water processing technology field, relate in particular to small-sized electrical adsorption desalting device.
Background technology
Because the day by day in short supply and rural area scattered settlement ground water supply cost of Freshwater resources is high, the utilization of brackish water more and more comes into one's own, effectively utilizing underground brackish water is a kind of effective way that solves water-deficient area water shortage problem, especially the rural area of northwest drought water-deficient area is important tap water guarantee by brackish water through effectively processing cheaply.But, because brackish water shows as the saline and alkaline composition of high density, even show as the feature of high rigidity, high fluorine, high arsenic, high ferrimanganic, low iodine, low selenium, long-term drinking brackish water and total dissolved solid the be formed with promoter action of water to urinary system calculus that exceed standard, also affect microcirculation in human body system simultaneously, can cause senile hypertension, increase the weight of cardiovascular and cerebrovascular diseases etc.Brackish water can also destroy people's stomach mucous membrane and intestinal mucosa, makes people suffer from gastritis and enteritis, forms long-term dysentery, reduces people's work capacity.In addition, investigation finds, in brackish water, the water-quality guideline such as total dissolved solid, total hardness, vitriol, muriate and nitrate exceeds standard, and the desalination water purifier processing cost of most domestic is higher at present, and Operation and Maintenance complexity, and can not remove the ion that exceeds standard in water completely.
At present, the electro-adsorption desalting technology in water treatment field all has good removal effect to hardness, vitriol, muriate and nitrate etc. in water, but effect is not good enough on sterilization and removal organism.And quartz sand filtration has removal effect to organism, uv sterilisation has good effect to sterilization aspect.In addition, existing brackish water treatment facility great majority all need professional to operate debugging, the personnel's on scattered settlement ground, northwest village the general lower level that does not also possess the such equipment of operation of educational level, and the easy equipment of the high operation of level of automation adopts electric autocontrol system price costliness more, northwest village population does not also possess the condition of buying such equipment mostly.
Therefore, need a kind of special water technology for this special high-concentrated saline water of processing of research and development and device simple to operation badly.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of small-sized electrical adsorption desalting device cheap, simple to operate.
For addressing the above problem, small-sized electrical adsorption desalting device of the present invention, is characterized in that: this device comprises raw water box, quartz sand column, electro-adsorption device and water tank; Described raw water box is connected with the top of described quartz sand column by lift pump I, and the top of this quartz sand column is provided with sand filtration post recoil rising pipe; The bottom of described sand filtration post rising pipe is provided with sand filtration post rising pipe, and this sand filtration post rising pipe is connected with a side lower part of described electro-adsorption device; One side lower part of described electro-adsorption device is provided with electro-adsorption device recoil rising pipe, and its opposite side is inserted in described water tank by rising pipe; One side lower part of described water tank is respectively equipped with water outlet and the pipeline III with outlet water control valve; Described pipeline III is connected with electro-adsorption device backflushing water intake pipe, sand filtration post backflushing water intake pipe respectively by lift pump II, positive threeway successively; The end of described electro-adsorption device backflushing water intake pipe is connected with a upper lateral part of described electro-adsorption device; The end of described sand filtration post backflushing water intake pipe is connected with the bottom of described quartz sand column.
Pipeline I between described raw water box and described lift pump I is provided with valve I.
Pipeline II between described lift pump I and described quartz sand column is provided with under meter.
In described water tank, be built-in with ultraviolet disinfecting.
The described pipeline III of described water tank and described lift pump II is provided with valve II.
On described sand filtration post rising pipe, electro-adsorption device backflushing water intake pipe, sand filtration post backflushing water intake pipe, electro-adsorption device recoil rising pipe, sand filtration post recoil rising pipe, be equipped with vacuum breaker.
Described electro-adsorption device comprises a pair of end plate, a pair of stainless steel plate, netted dividing plate with holes and is provided with the D.C. regulated power supply of break-in switch; The zygomorphy of described netted dividing plate is provided with described a pair of stainless steel plate, between this netted dividing plate and stainless steel plate, is provided with successively activated carbon fiber, rubber seal; The outer side covers of described a pair of stainless steel plate has described pair of end plate, and its top is connected with described D.C. regulated power supply respectively; A bottom in described a pair of end plate is connected with respectively described sand filtration post rising pipe, electro-adsorption device recoil rising pipe; Another bottom in described a pair of end plate is connected with respectively described rising pipe, electro-adsorption device backflushing water intake pipe.
It is the dual rubber seal combining in 5mm II that the rubber ring I that described rubber seal is 1mm by thickness sticks on thickness.
Described quartz sand column inner bottom part is provided with pebbles or the garnet supporting layer that high 10cm, particle diameter are 3 ~ 5mm, and the top of this supporting layer is provided with the quartz sand that high 40 ~ 60cm, particle diameter are 0.25 ~ 0.5mm.
The present invention compared with prior art has the following advantages:
1, the present invention adopts the quartz sand column of built-in filtrate, and this quartz sand column, by the crown_interception of filtrate, is removed large particle and colloid in water, thereby is conducive to protect electro-adsorption device, alleviates its load.
2, electrode pad of the present invention is selected stainless steel plate composite active carbon fibre, and loading capacity is large, and absorption property is better, and electric current utilising efficiency is high, thereby improves desalting effect.
3, the structure of electro-adsorption device internal series-connection of the present invention duct formula is conducive to equipment miniaturization and improves outlet effect, and stainless steel plate common electrode is conducive to the cost of economy system.
4, the present invention adopts netted dividing plate to be conducive to form flow-disturbing, improves mass transfer effect, thereby improves ratio of desalinization.
5, after tested, adopt the present invention to process rear total dissolved solid, total hardness, vitriol, muriate etc. to brackish water and effectively removed, water quality reaches national drinking water standard (referring to table 1).
Table 1. water quality detection index
6, the present invention is simple in structure, cheap, operation maintenance is convenient, stable and reliable operation, is applicable to NORTHWEST CHINA villages and small towns brackish water water quality.
Brief description of the drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is the internal structure schematic diagram of electro-adsorption device in the present invention.
In figure: 1-raw water box, 21-valve I, 22-valve II, 31-lift pump I, 32-lift pump II, 4-under meter, 5-quartz sand column, 6-sand filtration post rising pipe, 7-electro-adsorption device, 71-end plate, 72-stainless steel plate, 73-rubber pad, 74-activated carbon fiber, 75-netted dividing plate 8-rising pipe, 9-water tank, 10-outlet water control valve, 11-water outlet, 12-ultraviolet disinfecting 13-positive threeway 14-electro-adsorption device backflushing water intake pipe 15-sand filtration post backflushing water intake pipe 16-electro-adsorption device recoil rising pipe, 17-sand filtration post recoil rising pipe, 18-D.C. regulated power supply, 19-break-in switch.
Embodiment
As shown in Figure 1, small-sized electrical adsorption desalting device, this device comprises raw water box 1, quartz sand column 5, electro-adsorption device 7 and water tank 9.Raw water box 1 is connected with the top of quartz sand column 5 by lift pump I 31, and the top of this quartz sand column 5 is provided with sand filtration post recoil rising pipe 17; The bottom of sand filtration post rising pipe 6 is provided with sand filtration post rising pipe 6, and this sand filtration post rising pipe 6 is connected with a side lower part of electro-adsorption device 7; One side lower part of electro-adsorption device 7 is provided with electro-adsorption device recoil rising pipe 16, and its opposite side is inserted in water tank 9 by rising pipe 8; One side lower part of water tank 9 is respectively equipped with water outlet 11 and the pipeline III with outlet water control valve 10; Pipeline III is connected with electro-adsorption device backflushing water intake pipe 14, sand filtration post backflushing water intake pipe 15 respectively by lift pump II 32, positive threeway 13 successively; The end of electro-adsorption device backflushing water intake pipe 14 is connected with a upper lateral part of electro-adsorption device 7; The end of sand filtration post backflushing water intake pipe 15 is connected with the bottom of quartz sand column 5.
Wherein: the pipeline I between raw water box 1 and lift pump I 31 is provided with valve I 21.
Pipeline II between lift pump I 31 and quartz sand column 5 is provided with under meter 4.
In water tank 9, be built-in with ultraviolet disinfecting 12.
Water tank 9 is provided with valve II 22 with the pipeline III of lift pump II 32.
On sand filtration post rising pipe 6, electro-adsorption device backflushing water intake pipe 14, sand filtration post backflushing water intake pipe 15, electro-adsorption device recoil rising pipe 16, sand filtration post recoil rising pipe 17, be equipped with vacuum breaker.
The D.C. regulated power supply 18(that electro-adsorption device 7 comprises a pair of end plate 71, a pair of stainless steel plate 72, netted dividing plate 75 with holes and is provided with break-in switch 19 is referring to Fig. 2).The zygomorphy of netted dividing plate 75 is provided with a pair of stainless steel plate 72, between this netted dividing plate 75 and stainless steel plate 72, is provided with successively activated carbon fiber 74, rubber seal 73; The outer side covers of a pair of stainless steel plate 72 has a pair of end plate 71, and its top is connected with D.C. regulated power supply 18 respectively; A bottom in a pair of end plate 71 is connected with respectively sand filtration post rising pipe 6, electro-adsorption device recoil rising pipe 16; Another bottom in a pair of end plate 71 is connected with respectively rising pipe 8, electro-adsorption device backflushing water intake pipe 14.
It is the dual rubber seal combining in 5mm II that the rubber ring I that rubber seal 73 is 1mm by thickness sticks on thickness.
Quartz sand column 5 inner bottom parts are provided with pebbles or the garnet supporting layer that high 10cm, particle diameter are 3 ~ 5mm, and the top of this supporting layer is provided with the quartz sand that high 40 ~ 60cm, particle diameter are 0.25 ~ 0.5mm.
When use, the former water of pending brackish water enters quartz sand column 5 with the flow velocity of 2 ~ 4m/h after by under meter 4 by lift pump I 31, the former water filtering by quartz sand column 5, turbidity is effectively reduced, the large particulate matter suspending in water is trapped, and can greatly reduce the load of follow-up electro-adsorption device.Former water is by entering electro-adsorption device 7 after quartz sand column 5, zwitterion in water is subject to electrical forces effect and moves towards opposite polarity electrode pad, concentrated in electrode surface enrichment, thus realize a large amount of removals to water intermediate ion, reach the object of desalination and purification.Meanwhile, switch positive and negative electrode by break-in switch 19, can make electrode materials be regenerated, thus the work-ing life that greatly extends activated carbon fiber to the several years, the working cost of device is minimized.Water outlet by electro-adsorption device 7 will enter in water tank 9, more stand-by after carrying out disinfection by ultraviolet disinfecting 12.
When recoil, the water in water tank 9, through lift pump II 32, positive threeway 13, is discharged from electro-adsorption device recoil rising pipe 16, sand filtration post recoil rising pipe 17 respectively after electro-adsorption device backflushing water intake pipe 14, sand filtration post backflushing water intake pipe 15.
Claims (9)
1. small-sized electrical adsorption desalting device, is characterized in that: this device comprises raw water box (1), quartz sand column (5), electro-adsorption device (7) and water tank (9); Described raw water box (1) is connected with the top of described quartz sand column (5) by lift pump I (31), and the top of this quartz sand column (5) is provided with sand filtration post recoil rising pipe (17); The bottom of described sand filtration post rising pipe (6) is provided with sand filtration post rising pipe (6), and this sand filtration post rising pipe (6) is connected with a side lower part of described electro-adsorption device (7); One side lower part of described electro-adsorption device (7) is provided with electro-adsorption device recoil rising pipe (16), and its opposite side is inserted in described water tank (9) by rising pipe (8); One side lower part of described water tank (9) is respectively equipped with water outlet (11) and the pipeline III of band outlet water control valve (10); Described pipeline III is connected with electro-adsorption device backflushing water intake pipe (14), sand filtration post backflushing water intake pipe (15) respectively by lift pump II (32), positive threeway (13) successively; The end of described electro-adsorption device backflushing water intake pipe (14) is connected with a upper lateral part of described electro-adsorption device (7); The end of described sand filtration post backflushing water intake pipe (15) is connected with the bottom of described quartz sand column (5).
2. small-sized electrical adsorption desalting device as claimed in claim 1, is characterized in that: the pipeline I between described raw water box (1) and described lift pump I (31) is provided with valve I (21).
3. small-sized electrical adsorption desalting device as claimed in claim 1, is characterized in that: the pipeline II between described lift pump I (31) and described quartz sand column (5) is provided with under meter (4).
4. small-sized electrical adsorption desalting device as claimed in claim 1, is characterized in that: in described water tank (9), be built-in with ultraviolet disinfecting (12).
5. small-sized electrical adsorption desalting device as claimed in claim 1, is characterized in that: described water tank (9) is provided with valve II (22) with the described pipeline III of described lift pump II (32).
6. small-sized electrical adsorption desalting device as claimed in claim 1, is characterized in that: on described sand filtration post rising pipe (6), electro-adsorption device backflushing water intake pipe (14), sand filtration post backflushing water intake pipe (15), electro-adsorption device recoil rising pipe (16), sand filtration post recoil rising pipe (17), be equipped with vacuum breaker.
7. small-sized electrical adsorption desalting device as claimed in claim 1, is characterized in that: described electro-adsorption device (7) comprises a pair of end plate (71), a pair of stainless steel plate (72) with holes, netted dividing plate (75) and is provided with the D.C. regulated power supply (18) of break-in switch (19); The zygomorphy of described netted dividing plate (75) is provided with described a pair of stainless steel plate (72), is provided with successively activated carbon fiber (74), rubber seal (73) between this netted dividing plate (75) and stainless steel plate (72); The outer side covers of described a pair of stainless steel plate (72) has described pair of end plate (71), and its top is connected with described D.C. regulated power supply (18) respectively; A bottom in described a pair of end plate (71) is connected with respectively described sand filtration post rising pipe (6), electro-adsorption device recoil rising pipe (16); Another bottom in described a pair of end plate (71) is connected with respectively described rising pipe (8), electro-adsorption device backflushing water intake pipe (14).
8. small-sized electrical adsorption desalting device as claimed in claim 7, is characterized in that: it is the dual rubber seal combining in 5mm II that the rubber ring I that described rubber seal (73) is 1mm by thickness sticks on thickness.
9. small-sized electrical adsorption desalting device as claimed in claim 1, it is characterized in that: described quartz sand column (5) inner bottom part is provided with pebbles or the garnet supporting layer that high 10cm, particle diameter are 3 ~ 5mm, the top of this supporting layer is provided with the quartz sand that high 40 ~ 60cm, particle diameter are 0.25 ~ 0.5mm.
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| CN201210531188.3A CN103864248A (en) | 2012-12-11 | 2012-12-11 | Small-scale electro-absorption desalination apparatus |
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| CN201210531188.3A CN103864248A (en) | 2012-12-11 | 2012-12-11 | Small-scale electro-absorption desalination apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104710050A (en) * | 2015-01-23 | 2015-06-17 | 中科安源(北京)科技有限公司 | Portable drinking water purifying apparatus and use method thereof |
| CN105217744A (en) * | 2015-09-17 | 2016-01-06 | 大连理工大学 | A kind of cylindrical electro-adsorption filtration unit using activated carbon fiber as electro-adsorption material |
| CN108793346A (en) * | 2018-08-06 | 2018-11-13 | 兰州交通大学 | A kind of Electro Sorb coupling extension activated carbon handles the apparatus and method of micro- pollution bitter |
| CN114345814A (en) * | 2022-01-12 | 2022-04-15 | 江苏科技大学 | Electro-adsorption calcareous sand desalting device |
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| CN105217744A (en) * | 2015-09-17 | 2016-01-06 | 大连理工大学 | A kind of cylindrical electro-adsorption filtration unit using activated carbon fiber as electro-adsorption material |
| CN108793346A (en) * | 2018-08-06 | 2018-11-13 | 兰州交通大学 | A kind of Electro Sorb coupling extension activated carbon handles the apparatus and method of micro- pollution bitter |
| CN114345814A (en) * | 2022-01-12 | 2022-04-15 | 江苏科技大学 | Electro-adsorption calcareous sand desalting device |
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Application publication date: 20140618 |