CN103543246A - Device and method for simulating vertical variation principle of water quality salinization of strand plain water reservoir - Google Patents

Device and method for simulating vertical variation principle of water quality salinization of strand plain water reservoir Download PDF

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Publication number
CN103543246A
CN103543246A CN201310552611.2A CN201310552611A CN103543246A CN 103543246 A CN103543246 A CN 103543246A CN 201310552611 A CN201310552611 A CN 201310552611A CN 103543246 A CN103543246 A CN 103543246A
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water
reservoir
earth pillar
water inlet
saline
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CN103543246B (en
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李海明
李银
陈健健
李群
康文娟
赵雪
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Tianjin University of Science and Technology
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Tianjin University of Science and Technology
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Abstract

The invention discloses a device and a method for simulating a vertical variation principle of water quality salinization of a strand plain water reservoir. The device comprises a soil column 3, wherein a water inlet 2 and a draining opening 6 are formed in the side wall of the upper part of the soil column 3; the water inlet 2 is connected with a water reservoir water or externally-transported water supply container 1 by a pipeline; the draining opening 6 is connected with an overflowed water collection container 7 by a pipeline; the bottom of the soil column 3 is provided with an underground saline water inlet 9; the underground saline water inlet 9 is connected with an underground saline water constant head water supply container 10; a sampling opening 8 is formed in the side wall of the soil column 3. The device disclosed by the invention can simulate the vertical variation principle of the water quality salinization of the strand plain water reservoir under the influences of different influence factors, such as superficial layer underground saline water, bottom material salt release, a mixing effect of externally-transported and water reservoir water, the disturbance of wind and the like; different testing conditions including the water quality of the water stored in the column, buried depth of saline water and the like can also be changed to research hydrological globe chemical effect of upward movement of the underground saline water and an upward movement principle of a saline and fresh water interface.

Description

The device and method of simulation littoral plain Reservoir Water Quality salinize vertical change rule
Technical field
The present invention relates to Reservoir Water Quality salinize and reservoir water supply security field, particularly relate to a kind of device and method of simulating littoral plain Reservoir Water Quality salinize vertical change rule.
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 pay close attention to the impact of single factor on water quality salinize vertical distribution, for relating to the release of substrate salinity, shallow-layer saline groundwater, outer water transfer and the impact of reservoir water immixture on reservoir salinize, and the research of reservoir water body salinize vertical change rule seldom, lacks rational experimental study method and apparatus.
Summary of the invention
The object of the present invention is to provide a kind of device of simulating littoral plain Reservoir Water Quality salinize vertical change rule.
Second object of the present invention is to provide the method for simulation littoral plain Reservoir Water Quality salinize vertical change rule.
Technical scheme of the present invention is summarized as follows:
A kind of device of simulating littoral plain Reservoir Water Quality salinize vertical change rule, comprise earth pillar 3, on the sidewall on earth pillar 3 tops, be provided with water inlet 2, the position relative with water inlet 2 is provided with discharge opening 6, water inlet 2 is connected with reservoir water or outer water transfer water supply container 1 by pipeline, discharge opening 6 by pipeline with overflow water collecting container 7 and be connected; The bottom of earth pillar 3 is provided with saline groundwater water inlet 9, and saline groundwater water inlet 9 is determined head water supply container 10 by pipeline and saline groundwater and is connected, and is provided with a 1 file 4-10 sample tap 8 on the sidewall of earth pillar 3.
A method of simulating littoral plain Reservoir Water Quality salinize vertical change rule, comprises the steps:
(1) use simulation littoral plain Reservoir Water Quality salinize vertical change rule device, described device comprises earth pillar 3, on the sidewall on earth pillar 3 tops, be provided with water inlet 2, the position relative with water inlet 2 is provided with discharge opening 6, water inlet 2 is connected with reservoir water or outer water transfer water supply container 1 by pipeline, discharge opening 6 by pipeline with overflow water collecting container 7 and be connected; The bottom of earth pillar 3 is provided with saline groundwater water inlet 9, and saline groundwater water inlet 9 is determined head water supply container 10 by pipeline and saline groundwater and is connected, and is provided with a 1 file 4-10 sample tap 8 on the sidewall of earth pillar 3;
(2) bottom in earth pillar 3 is placed saline groundwater water-bearing zone soil layer 5, net 11, reservoir substrate layer 4 successively, and saline groundwater water-bearing zone soil layer loading height is higher than the position of saline groundwater water inlet 9;
(3) from saline groundwater, determine head water supply container 10 and pass into saline groundwater to earth pillar 3; From reservoir water or water transfer water supply container 1 in earth pillar 3, put into reservoir water or outside water transfer;
(4) from sample tap sampling, monitor.
Advantage of the present invention: the present invention can simulate different affecting factors, as shallow-layer saline groundwater, substrate salinity discharge, the lower strand Reservoir Water Quality salinize vertical change rule of the impacts such as disturbance of outer water transfer and reservoir water immixture, wind, also can change test unit and the method for 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 post, salt water depth to water and fresh-saline water interface, moving rule.
Accompanying drawing explanation
Fig. 1 is the device schematic diagram of littoral plain Reservoir Water Quality salinize vertical change rule of the present invention.
Fig. 2 is that the device of littoral plain Reservoir Water Quality salinize vertical change rule of the present invention is used schematic diagram.
Fig. 3 is the situation storehouse water salt content Characteristics of Vertical Distribution that salt water water level is identical with reservoir water water level.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
A kind of device of simulating littoral plain Reservoir Water Quality salinize vertical change rule, comprise earth pillar 3, on the sidewall on earth pillar 3 tops, be provided with water inlet 2, the position relative with water inlet 2 is provided with discharge opening 6, water inlet 2 is connected with reservoir water or outer water transfer water supply container 1 by pipeline, discharge opening 6 by pipeline with overflow water collecting container 7 and be connected; The bottom of earth pillar 3 is provided with saline groundwater water inlet 9, and saline groundwater water inlet 9 is determined head water supply container 10 by pipeline and saline groundwater and is connected, and is provided with a 1 file 4-10 sample tap 8(and sees Fig. 1 on the sidewall of earth pillar 3).
A method of simulating littoral plain Reservoir Water Quality salinize vertical change rule, comprises the steps:
(1) use simulation littoral plain Reservoir Water Quality salinize vertical change rule device, described device comprises earth pillar 3, on the sidewall on earth pillar 3 tops, be provided with water inlet 2, the position relative with water inlet 2 is provided with discharge opening 6, water inlet 2 is connected with reservoir water or outer water transfer water supply container 1 by pipeline, discharge opening 6 by pipeline with overflow water collecting container 7 and be connected; The bottom of earth pillar 3 is provided with saline groundwater water inlet 9, and saline groundwater water inlet 9 is determined head water supply container 10 by pipeline and saline groundwater and is connected, and is provided with a 1 file 4-10 sample tap 8 on the sidewall of earth pillar 3;
(2) bottom in earth pillar 3 is placed saline groundwater water-bearing zone soil layer 5, net 11, reservoir substrate layer 4 successively, and saline groundwater water-bearing zone soil layer loading height is higher than the position of saline groundwater water inlet 9; (see figure 2)
(3) from saline groundwater, determine head water supply container 10 and pass into saline groundwater to earth pillar 3; From reservoir water or water transfer water supply container 1 in earth pillar 3, put into reservoir water or outside water transfer;
(4) from sample tap sampling, monitor.Measuring system is selected from captation, pH meter, turbidimeter, conductivity meter and oxidation-reduction potential instrument etc.
Below by a specific embodiment, the present invention is further illustrated, but the present invention is not imposed any restrictions.
Embodiment 1
A method of simulating littoral plain Reservoir Water Quality salinize vertical change rule, comprises the steps:
(1) use simulation littoral plain Reservoir Water Quality salinize vertical change rule device, described device comprises earth pillar 3, the internal diameter 10cm of earth pillar 3, long 120cm, material is organic glass post, on the sidewall on earth pillar 3 tops, be provided with water inlet 2, the position relative with water inlet 2 is provided with discharge opening 6, and water inlet 2 is connected with reservoir water or outer water transfer water supply container 1 by pipeline, discharge opening 6 by pipeline with overflow water collecting container 7 and be connected; The bottom of earth pillar 3 is provided with saline groundwater water inlet 9, and saline groundwater water inlet 9 is determined head water supply container 10 by pipeline and saline groundwater and is connected, and is provided with 6 sample taps 8 of 1 file on the sidewall of earth pillar 3, and the spacing of each sample tap is 10cm; A sample tap is made as 0 bottom, and nethermost sample tap is 0cm apart from the distance of reservoir substrate layer 4.
(2) the saline groundwater water-bearing zone soil layer 5 of 5cm is placed in the bottom in earth pillar 3, filling limit, limit is sturdy with wooden stick, the reservoir substrate layer 4 of net (nylon wire or stainless (steel) wire) 11,50cm, and saline groundwater water-bearing zone soil layer loading height is higher than the position of saline groundwater water inlet 9; Post top simulation surface water body, bottom simulation saline aquifer, centre separates the two with actual bottom of the reservior substrate layer; On reservoir substrate layer, can lay 1cm silica sand (particle is greater than reservoir substrate layer solid particle), smooth to guarantee reservoir substrate layer and overlying water interface;
(3) from saline groundwater, determine head water supply container 10 and pass into saline groundwater to earth pillar 3; With saline groundwater, below earth pillar, supply water to drive away gas in the soil body, from reservoir water or water transfer water supply container 1 in earth pillar 3, slowly put into reservoir water (or outside water transfer);
(4) test run, in the time of 1 day, 11 days, 28 days, 54 days, 89 days, from sample tap 8 use injector for medical purpose samplings, is 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.

Claims (2)

1. a device of simulating littoral plain Reservoir Water Quality salinize vertical change rule, it is characterized in that comprising earth pillar (3), on the sidewall on earth pillar (3) top, be provided with water inlet (2), the position relative with water inlet (2) is provided with discharge opening (6), water inlet (2) is connected with reservoir water or outer water transfer water supply container (1) by pipeline, discharge opening (6) by pipeline with overflow water collecting container (7) and be connected; The bottom of earth pillar (3) is provided with saline groundwater water inlet (9), and saline groundwater water inlet (9) is determined head water supply container (10) by pipeline and saline groundwater and is connected, and is provided with a 1 file 4-10 sample tap (8) on the sidewall of earth pillar (3).
2. a method of simulating littoral plain Reservoir Water Quality salinize vertical change rule, is characterized in that comprising the steps:
1) use simulation littoral plain Reservoir Water Quality salinize vertical change rule device, described device comprises earth pillar (3), on the sidewall on earth pillar (3) top, be provided with water inlet (2), the position relative with water inlet (2) is provided with discharge opening (6), water inlet (2) is connected with reservoir water or outer water transfer water supply container (1) by pipeline, discharge opening (6) by pipeline with overflow water collecting container (7) and be connected; The bottom of earth pillar (3) is provided with saline groundwater water inlet (9), and saline groundwater water inlet (9) is determined head water supply container (10) by pipeline and saline groundwater and is connected, and is provided with a 1 file 4-10 sample tap (8) on the sidewall of earth pillar (3);
2) bottom in earth pillar 3 is placed saline groundwater water-bearing zone soil layer (5), net (11), reservoir substrate layer (4) successively, and saline groundwater water-bearing zone soil layer loading height is higher than the position of saline groundwater water inlet (9);
3) from saline groundwater, determine head water supply container (10) and pass into saline groundwater to earth pillar (3); From reservoir water or water transfer water supply container (1) in earth pillar (3), put into reservoir water or outside water transfer;
4) from sample tap sampling, monitor.
CN201310552611.2A 2013-11-08 2013-11-08 The device and method of simulation vertical variation principle of water quality salinization of strand plain water reservoir Active CN103543246B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105405347A (en) * 2015-12-30 2016-03-16 济南大学 Inland water-bearing system saline water and fresh water interaction displacement simulation device and method
CN105513477A (en) * 2015-12-30 2016-04-20 济南大学 Apparatus and method for simulating water environment quality evolution of artificial recharge karst water system
CN109799325A (en) * 2019-01-18 2019-05-24 河海大学 A kind of device and its application method for simulating underground bearing course Salt Transport Characteristics in Soil rule

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Publication number Priority date Publication date Assignee Title
CN203535038U (en) * 2013-11-08 2014-04-09 天津科技大学 Device for simulating water quality salinization vertical variation rule of strand plain reservoir

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CN203535038U (en) * 2013-11-08 2014-04-09 天津科技大学 Device for simulating water quality salinization vertical variation rule of strand plain reservoir

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105405347A (en) * 2015-12-30 2016-03-16 济南大学 Inland water-bearing system saline water and fresh water interaction displacement simulation device and method
CN105513477A (en) * 2015-12-30 2016-04-20 济南大学 Apparatus and method for simulating water environment quality evolution of artificial recharge karst water system
CN109799325A (en) * 2019-01-18 2019-05-24 河海大学 A kind of device and its application method for simulating underground bearing course Salt Transport Characteristics in Soil rule

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