CN103558353A - Device and method for simulating salinity and water volume exchanging between underground water and overlying water of water reservoir - Google Patents
Device and method for simulating salinity and water volume exchanging between underground water and overlying water of water reservoir Download PDFInfo
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- CN103558353A CN103558353A CN201310552509.2A CN201310552509A CN103558353A CN 103558353 A CN103558353 A CN 103558353A CN 201310552509 A CN201310552509 A CN 201310552509A CN 103558353 A CN103558353 A CN 103558353A
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Abstract
The invention discloses a device and a method for simulating salinity and water volume exchanging between underground water and overlying water of a water reservoir. According to the device, saline-water inlet chambers (1) are arranged at the two ends of a water trough (3); the bottom end positions of two end walls of the water trough are higher than the horizontal position of the bottom wall of the water trough (3); a vertical net (5) is arranged among the bottom ends of the end walls of the water trough and the bottom wall of the water trough (3) so that the saline-water water inlet chambers (1) are communicated with the water trough (3); a sampling opening (2) is formed in the front wall of the water through; a first transverse net (8) and a second transverse net (9) are arranged in the water trough (3). According to the device disclosed by the invention, water quality salting vertical section change rule of a coast water reservoir under influences of different influence factors, such as superficial layer underground saline water, the releasing of bottom salt, a mixing effect of transferred water and water reservoir water, and the disturbance of wind (generated by arranging a fan), can be simulated; and a hydrogeochemical effect of upward movement of underground saline water and a saline water and fresh water interface upward movement rule can be researched by changing different testing conditions including the water quality of the water stored in the trough, the burying depth of the water level of the saline water and the like.
Description
Technical field
The present invention relates to Reservoir Water Quality salinize and reservoir water supply security field, particularly relate to a kind of simulation reservoir underground water and overlying water salinity and water yield switch and method thereof.
Background technology
Along with the fast development of economic society, the problem of coastal region shortage of water resources becomes increasingly conspicuous, and the solution water resources crisis that is embodied as of diversion works has been brought into play great effect, but the salinize Study on Problems of regulating reservoir is extremely urgent simultaneously.The salinize of littoral plain reservoir has become a universal phenomenon, and for example the reservoir of storing fresh water of Tianjin Binhai plains region construction, often exists water quality salinize phenomenon.Most scholars are studied Reservoir Water Quality salinization mechanism, think that strand Reservoir Water Quality salinize is subject to the factor impacts such as saline-alkali soil, shallow-layer saline groundwater, weather meteorological condition, atmospheric sedimentation, seawater intrusion, water temperature.Coastal Area in Tianjin shallow-layer saline groundwater buried depth is shallow, and when reservoir filling water level is during lower than underground water table, underground water will be connected by water body in Yu Shangfu storehouse, soil aperture, aggravates reservoir salinize.In reservoir diverse location saline groundwater and reservoir water body exchange process, the home to return to of salinity is different: the sediment that approaches reservoir porch can be retained down salinity, and water delivering orifice sediment discharges salinity to transfer to water body.
About the salinize of coastal region Reservoir Water Quality and influence factor thereof, many scholars have carried out shop experiment research.The impact of these factors can complete by indoor soil-column test.But most soil-column test are to study separately reservoir substrate salinity to discharge, and pay close attention to the impact of single factor on water quality salinize vertical distribution, can not truly reflect reservoir salinize situation; For relating to saline groundwater and overlying water salinity and the water yield, exchange problem, and outer water transfer and reservoir water immixture are on the impact research of reservoir salinize seldom, lack rational experimental study method and apparatus.
Summary of the invention
The object of the present invention is to provide a kind of simulation reservoir underground water and overlying water salinity and water yield switch.
Second object of the present invention is to provide simulation reservoir underground water and overlying water salinity and water yield switching method.
Technical scheme of the present invention is summarized as follows:
A kind of simulation reservoir underground water and overlying water salinity and water yield switch, comprise tank 3, at the two ends of tank 3, be provided with salt water intake chamber 1, the bottom position of the end walls of tank is higher than tank 3 diapire horizontal levels, between the bottom of tank end wall and tank 3 diapires, be provided with the perpendicular net 5 of putting, salt water intake chamber 1 is communicated with described tank 3, on tank antetheca, be provided with the horizontal net 8 of 3-5 file sample tap 2, the first and the second horizontal net 9 is horizontally set in tank 3.
Every file sample tap is preferably 5-8.
The perpendicular preferred 5-15cm of being that puts net 5.
Simulation reservoir underground water and overlying water salinity and water yield switching method, comprise the steps:
(1) use simulation reservoir underground water and overlying water salinity and water yield switch, described device comprises tank 3, at the two ends of described tank 3, be provided with salt water intake chamber 1, the bottom position of the end walls of tank is higher than tank 3 diapire horizontal levels, between the bottom of tank end wall and tank 3 diapires, be provided with the perpendicular net 5 of putting, salt water intake chamber 1 is communicated with described tank 3, on tank antetheca, be provided with 3-5 file sample tap 2; The first horizontal net 8 and the second horizontal net 9 are horizontally set in tank 3;
(2), from the horizontal net 9 of the interior taking-up second of tank 3 and the first horizontal net 8, in the bottom of described tank 3, place successively the horizontal net 8 of saline groundwater water-bearing zone soil layer 7, first, the horizontal net 9 of reservoir substrate soil layer 6, second, quartz sand layer 4; The height of described saline groundwater water-bearing zone soil layer 7 equates with the perpendicular height of putting net 5;
(3) in tank 3, put into reservoir water or outside water transfer; In salt water intake chamber 1, put into saline groundwater;
(4) from sample tap sampling, monitor.
The perpendicular height of putting net (5) is preferably 5-15cm.
The height of reservoir substrate soil layer (6) is preferably 5-15cm.
The height of quartz sand layer (4) is preferably 1-2cm.
Distance between file sample tap is preferably 10-80cm between two.
Advantage of the present invention: utilize device of the present invention can simulate different affecting factors, as shallow-layer saline groundwater, substrate salinity discharge, the lower strand Reservoir Water Quality salinize vertical section Changing Pattern of the impacts such as disturbance (configuration electric fan) of outer water transfer and reservoir water immixture, wind, also can change on the hydrogeochemical process that moves on the different tests condition Study of The Underground salt water such as the interior retaining water quality of groove, salt water depth to water and fresh-saline water interface and move rule.
Accompanying drawing explanation
Fig. 1 is a kind of simulation reservoir underground water and overlying water salinity and water yield switch schematic diagram.
Fig. 2 is the method for utilizing unit simulation reservoir underground water of the present invention and overlying water salinity and water yield exchange.
Fig. 3 is groove left part storehouse water salt content Characteristics of Vertical Distribution figure.
Fig. 4 is groove middle part storehouse water salt content Characteristics of Vertical Distribution figure.
Fig. 5 is groove right part storehouse water salt content Characteristics of Vertical Distribution figure.
Embodiment
Below in conjunction with specific embodiment, the present invention is further illustrated.
A kind of simulation reservoir underground water and overlying water salinity and water yield switch, comprise tank 3, at the two ends of tank 3, be provided with salt water intake chamber 1, the bottom position of the end walls of tank is higher than tank 3 diapire horizontal levels, between the bottom of tank end wall and tank 3 diapires, be provided with the perpendicular net 5 of putting, salt water intake chamber 1 is communicated with described tank 3, on tank antetheca, be provided with the horizontal net 8 of 3-5 file sample tap 2, the first and the second horizontal net 9 is horizontally set in tank 3.
Every file sample tap is 5,6,7 or 8.
The perpendicular height of putting net 5 is 5cm, 6cm, 7cm, 8cm, 9cm, 10cm, 11cm, 12cm, 13cm, 14cm or 15cm.
Simulation reservoir underground water and overlying water salinity and water yield switching method, comprise the steps:
(1) use simulation reservoir underground water and overlying water salinity and water yield switch, described device comprises tank 3, at the two ends of described tank 3, be provided with salt water intake chamber 1, the bottom position of the end walls of tank is higher than tank 3 diapire horizontal levels, between the bottom of tank end wall and tank 3 diapires, be provided with the perpendicular net 5 of putting, salt water intake chamber 1 is communicated with described tank 3, on tank antetheca, be provided with 3-5 file sample tap 2; The first horizontal net 8 and the second horizontal net 9 are horizontally set in tank 3;
(2), from the horizontal net 9 of the interior taking-up second of tank 3 and the first horizontal net 8, in the bottom of described tank 3, place successively the horizontal net 8 of saline groundwater water-bearing zone soil layer 7, first, the horizontal net 9 of reservoir substrate soil layer 6, second, quartz sand layer 4; The height of described saline groundwater water-bearing zone soil layer 7 equates with the perpendicular height of putting net 5;
(3) in tank 3, put into reservoir water or outside water transfer; In salt water intake chamber 1, put into saline groundwater;
(4) from sample tap sampling, monitor.
The perpendicular height of putting net 5 is 5cm, 6cm, 7cm, 8cm, 9cm, 10cm, 11cm, 12cm, 13cm, 14cm or 15cm.
The height of reservoir substrate soil layer 6 is 5cm, 6cm, 7cm, 8cm, 9cm, 10cm, 11cm, 12cm, 13cm, 14cm or 15cm.
The height of quartz sand layer 4 is 1 or 2cm.
Distance between file sample tap is 10cm, 20cm, 30cm, 40cm, 50cm, 60cm, 70cm or 80cm between two.
From sample tap sampling, can monitor by captation, pH meter, turbidimeter, conductivity meter and oxidation-reduction potential instrument etc.
The preferred size of tank (3) is: long 2m, wide 0.3m, high 0.8m;
Embodiment 1:
With device of the present invention, measure storehouse water salt content
1) use a kind of simulation reservoir underground water and overlying water salinity and water yield switch, this device comprises tank 3, the size of tank 3 is selected: in long 2m(Fig. 1, left and right is for long), wide 0.3m, high 0.8m, at the two ends of tank 3, be provided with salt water intake chamber 1, the bottom position of the end walls of tank is higher than tank 3 diapire horizontal levels, between the bottom of tank end wall and tank 3 diapires, be provided with the perpendicular net 5 of putting that 5cm is high, salt water intake chamber 1 is communicated with described tank 3, on tank antetheca, be provided with 3 file sample taps 2, the first horizontal net 8 and the second horizontal net 9 are horizontally set in tank 3.
Every file sample tap is 5, and nethermost sample tap is made as 0, and nethermost sample tap is 10cm apart from the distance of reservoir substrate soil layer 6.Distance between every file sample tap is upper and lower is 10cm, and left and right file sample tap is 30cm apart from the distance of tank end wall, and middle file sample tap is placed in the middle.
2) from the horizontal net 9 of the interior taking-up second of tank 3 and the first horizontal net 8, in the bottom of described tank 3, place successively the horizontal net 8 of saline groundwater water-bearing zone soil layer 7, first, highly for 10cm reservoir substrate soil layer the 6, second horizontal net 9, highly be the quartz sand layer 4 of 2cm, the height of saline groundwater water-bearing zone soil layer 7 with erect the height of putting net 5 and equate;
3) in tank 3, put into reservoir water; In salt water intake chamber 1, put into saline groundwater; Saline groundwater water level is identical with reservoir water water level, all higher than uppermost sample tap 10cm, 3 days, 6 days, 16 days, 20 days, 25 days, 39 days different times of test run, from injector for medical purpose sampling for 3 file sample taps (2), are monitored water body conductivity and salt content with conductivity meter test; Salt content can be converted and be obtained by conductivity.Monitoring result is shown in Fig. 3, Fig. 4 and Fig. 5.Fig. 3, Fig. 4 and Fig. 5 are respectively groove left part, middle part and right part storehouse water salt content Characteristics of Vertical Distribution figure.
Claims (8)
1. a simulation reservoir underground water and overlying water salinity and water yield switch, it is characterized in that comprising tank (3), at the two ends of described tank (3), be provided with salt water intake chamber (1), the bottom position of the end walls of tank is higher than tank (3) diapire horizontal level, between the bottom of tank end wall and tank (3) diapire, be provided with the perpendicular net (5) of putting, salt water intake chamber (1) is communicated with described tank (3), on tank antetheca, be provided with 3-5 file sample tap (2), the first horizontal net (8) and the second horizontal net (9) are horizontally set in tank (3).
2. a kind of simulation reservoir underground water according to claim 1 and overlying water salinity and water yield switch, is characterized in that every file sample tap is 5-8.
3. simulation reservoir underground water according to claim 3 and overlying water salinity and water yield switch, is characterized in that the described perpendicular height of putting net (5) is 5-15cm.
4. simulation reservoir underground water and overlying water salinity and water yield switching method, is characterized in that comprising the steps:
1) use simulation reservoir underground water and overlying water salinity and water yield switch, described device comprises tank (3), at the two ends of described tank (3), be provided with salt water intake chamber (1), the bottom position of the end walls of tank is higher than tank (3) diapire horizontal level, between the bottom of tank end wall and tank (3) diapire, be provided with the perpendicular net (5) of putting, salt water intake chamber (1) is communicated with described tank (3), on tank antetheca, be provided with 3-5 file sample tap (2); The first horizontal net (8) and the second horizontal net (9) are horizontally set in tank (3);
2) in tank (3), take out the second horizontal net (9) and the first horizontal net (8), in the bottom of described tank (3), place successively saline groundwater water-bearing zone soil layer (7), the first horizontal net (8), reservoir substrate soil layer (6), the second horizontal net (9), quartz sand layer (4); The height of described saline groundwater water-bearing zone soil layer (7) equates with the perpendicular height of putting net (5);
3) in tank (3), put into reservoir water or outside water transfer; In salt water intake chamber (1), put into saline groundwater;
4) from sample tap sampling, monitor.
5. simulation reservoir underground water according to claim 4 and overlying water salinity and water yield switching method, is characterized in that the described perpendicular height of putting net (5) is 5-15cm.
6. simulation reservoir underground water according to claim 4 and overlying water salinity and water yield switching method, the height that it is characterized in that described reservoir substrate soil layer (6) is 5-15cm.
7. simulation reservoir underground water according to claim 4 and overlying water salinity and water yield switching method, the height that it is characterized in that described quartz sand layer (4) is 1-2cm.
8. simulation reservoir underground water according to claim 4 and overlying water salinity and water yield switching method, is characterized in that the distance between file sample tap is 10-80cm between two.
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| CN201310552509.2A CN103558353B (en) | 2013-11-08 | 2013-11-08 | Simulation reservoir underground water and overlying water salinity and water quality exchanges method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991042A (en) * | 2015-07-20 | 2015-10-21 | 河海大学 | Seashore reservoir indoor desalination and salt resistance experimental simulation system and simulation method thereof |
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| SU1546538A1 (en) * | 1988-01-12 | 1990-02-28 | Институт гидромеханики АН УССР | Method of desalination of water bodies |
| CN101832906A (en) * | 2010-04-13 | 2010-09-15 | 中国船舶重工集团公司第七二五研究所 | Accelerated test method and device for simulating freshwater-seawater alternate environment |
| CN102590469A (en) * | 2012-01-16 | 2012-07-18 | 河海大学 | Flat plate tracing simulating device system and simulating method for salt water intrusion under tidal action |
| CN203535037U (en) * | 2013-11-08 | 2014-04-09 | 天津科技大学 | Device for simulating salinity and water exchange between groundwater and overlying water of reservoir |
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2013
- 2013-11-08 CN CN201310552509.2A patent/CN103558353B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1546538A1 (en) * | 1988-01-12 | 1990-02-28 | Институт гидромеханики АН УССР | Method of desalination of water bodies |
| CN101832906A (en) * | 2010-04-13 | 2010-09-15 | 中国船舶重工集团公司第七二五研究所 | Accelerated test method and device for simulating freshwater-seawater alternate environment |
| CN102590469A (en) * | 2012-01-16 | 2012-07-18 | 河海大学 | Flat plate tracing simulating device system and simulating method for salt water intrusion under tidal action |
| CN203535037U (en) * | 2013-11-08 | 2014-04-09 | 天津科技大学 | Device for simulating salinity and water exchange between groundwater and overlying water of reservoir |
Non-Patent Citations (1)
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| 武婷: "盐碱土和咸化地下水对水质咸化影响的实验研究", 《万方数据库》 * |
Cited By (1)
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| CN104991042A (en) * | 2015-07-20 | 2015-10-21 | 河海大学 | Seashore reservoir indoor desalination and salt resistance experimental simulation system and simulation method thereof |
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