CN204405490U - A kind of pour to strain to test device testing heavy metal element release and transport - Google Patents
A kind of pour to strain to test device testing heavy metal element release and transport Download PDFInfo
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- CN204405490U CN204405490U CN201420835352.4U CN201420835352U CN204405490U CN 204405490 U CN204405490 U CN 204405490U CN 201420835352 U CN201420835352 U CN 201420835352U CN 204405490 U CN204405490 U CN 204405490U
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Abstract
The utility model belongs to environmental geotechnical and rock mass environmental hydrochemistry field, earth's surface, particularly relates to a kind of leaching time delay device testing heavy metal element release and transport.The purpose of this utility model is to provide a kind of pour to strain to test device testing heavy metal element release and transport, comprise: support, leaching post, be with graduated first leaching receiving flask, second leaching receiving flask, vacuum pump, safety bottle, suction leaking equipment, first catheter, pin shower nozzle, second catheter, reserve tank, liquid pump, flowmeter, tensimeter, reducing, side direction sample tap, tensiometer, moisture transducer, cable, data acquisition system (DAS) instrument and computer etc., described test unit can be monitored to underground water release and transport the physical state of each layering Rock And Soil and heavy metal, real-time sampling detection is carried out to each layering Rock And Soil and leachate, described test unit can simulate the leaching of heavy metal element in Rock And Soil each layer of position, migration and conversion process.
Description
Technical field
The utility model belongs to environmental geotechnical and rock mass environmental hydrochemistry field, earth's surface, particularly relates to a kind of leaching time delay device testing heavy metal element release and transport.
Background technology
Earth's surface Rock And Soil is mankind's material base of depending on for existence and development and environmental baseline.Along with industrialization development, the Rock And Soil that coal, Mine Tailings etc. are rich in heavy metal element is easily formed acidulous water by the long-term leaching of precipitation, thus produce the geochemistry process such as water rock chemical action makes heavy metal element move, precipitates, conversion, and progressively diffuse in water environment and cause neighbouring ground-water environment pollution, threaten human health and earth resources life.
At present, for the research of Rock And Soil contaminant transportation and conversion mainly for the field micro-plot experiment of soil and laboratory soil column-leaching test.The main Study of Exogenous pollutant of field micro-plot experiment, the method quantities is large, is difficult to accurate Control experiment condition, test findings poor repeatability, and somewhat expensive, is difficult to carry out large-scale promotion.The pour to strain to test of Rock And Soil is carried out in testing laboratory, can accurate Control experiment condition, reduce workload, its test findings repeatability is also relatively better.Traditional indoor soil-column pour to strain to test is comparatively ripe through technical development for many years, but great majority only pollute for overall earth pillar and simulate, and to the contaminant transportation of each layering Rock And Soil of earth pillar with have much room for improvement to researchs such as the rules such as water environment conversion.Secondly, traditional soil column-leaching test device, lacks the monitoring to each layering Rock And Soil situation, causes failing to understand the physical state such as capillary hydrostatic pressure, water cut of each layering Rock And Soil.
The pour to strain to test device designing a kind of applicable monitoring each layering Rock And Soil physical and chemical state is the task of top priority.
Summary of the invention
The purpose of this utility model is to provide a kind of pour to strain to test device testing heavy metal element release and transport, described test unit can be monitored to underground water release and transport the physical state of each layering Rock And Soil and heavy metal, carry out real-time sampling detection to each layering Rock And Soil and leachate, described test unit can simulate the leaching of heavy metal element in Rock And Soil each layer of position, migration and conversion process.
A kind of pour to strain to test device testing heavy metal element release and transport, comprise: support (13), leaching post (7), be with graduated first leaching receiving flask, second leaching receiving flask, vacuum pump, safety bottle, described leaching post is placed on support, the graduated second leaching receiving flask of band is placed in described leaching post lower end, described leaching post side is provided with suction leaking equipment, described absorption leaking equipment is connected with the first leaching receiving flask by the first catheter, between the graduated first leaching receiving flask of described band and vacuum pump, safety bottle is set, be with graduated first leaching receiving flask, vacuum pump is connected by the first catheter with safety bottle,
It is characterized in that: also comprise the pin shower nozzle be suspended in by support vertical on leaching post, second catheter, the funnelform reducing that leaching post bottom connects and the side direction sample tap that leaching post side is arranged, tensiometer, wire guide, moisture transducer, cable, data acquisition system (DAS) instrument, computer, described pin shower nozzle water inlet by the second catheter successively with tensimeter, flowmeter is connected with liquid pump output terminal, described second catheter one end is connected with the input end of liquid pump, the described second catheter other end stretches into reserve tank, second filtering layer is set between described reducing and leaching post, described reducing and leaching post junction are provided with ring flange, described reducing, leaching post and ring flange nut and the airtight packing ring of silica gel carry out airtight, the probe of described moisture transducer is embedded in leaching post by the wire guide being arranged at leaching post side, the probe of described tensiometer is embedded in leaching post by the wire guide being arranged at leaching post side, the signal that described tensiometer and moisture transducer collect is passed to described data acquisition system (DAS) instrument by cable, described data acquisition system (DAS) instrument is connected with computer, described leaching post and reducing adopt organic glass to make.
Further, the graduated second leaching receiving flask of described band is placed on electronic balance, and the graduated second leaching receiving flask of described band is positioned at below reducing water delivering orifice.
Further, described leaching capital places the first filtering layer, and described first filtering layer is made up of from top to bottom nylon screen and the first porous plate, and described first filtering layer is positioned at immediately below pin shower nozzle.
Further, one end that described second catheter stretches into reserve tank is connected to screen pack, and one end that described second catheter stretches into reserve tank is statically placed in underwater in water tank.
Further, the spacing of described suction leaking equipment, side direction sample tap, tensiometer and moisture transducer is 20CM.
Further, described mistake second filtering layer is by nylon screen, and silica sand, nylon screen and the second porous plate are from top to bottom formed successively.
Further, described leaching post height >=105CM, described leaching post cylinder internal diameter >=12.5CM.
Further, described second porous plate aperture is R, 0.2CM≤R≤0.5CM.
The beneficial effects of the utility model are:
The filtering layer that the pin shower nozzle of the utility model directly over leaching post and leaching capital end are arranged, moisture can be made to spray and dispersion evenly, and the effective protection leaching capital end soil body is not by erosion; Leaching post bottom arranges filtering layer, mainly ensures leaching column bottom not ponding, the inner Rock And Soil weight of carrying leaching post, and has the effect reduced containing impurity in leachate.
The utility model shower nozzle water inlet arranges flowmeter and tensimeter, effectively controls moisture and enters the flow of leaching post and effective raininess, can simulate the pour to strain to test under different flow and raininess condition.
The utility model leaching post side arranges side direction sample tap, suction lysimeter, effectively can realize carrying out sampling in real time to each layer Rock And Soil and leachate and detect; Tensiometer, moisture transducer can the physical states of each layering Rock And Soil of Real-Time Monitoring, therefore, can study heavy metal element at the migration of each layer position Rock And Soil, transformation rule.
Accompanying drawing explanation
Fig. 1 is the structural representation of device described in the utility model
Fig. 2 is the A-A sectional view of device described in the utility model
Fig. 3 is that the leaching post of device described in the utility model connects with reducing the structural representation of partial enlargement
Number in the figure is: 1-reserve tank, 2-liquid pump, 3-flowmeter, 4-tensimeter, 5-first catheter, 6-pin shower nozzle, 7-leaching post, 8-reducing, 9-suction leaking equipment, 10-side direction sample tap, 11-first leaching receiving flask, 12-vacuum pump, 13-support, 14-electronic balance, 15-cable, 16-tensiometer, 17-moisture transducer, 18-data acquisition system (DAS) instrument, 19-computer, 20-nylon screen, 21-first porous plate, 22-silica sand, the airtight packing ring of 23-silica gel, 24-ring flange, 25-second catheter, 26-safety bottle, 27-second leaching receiving flask, 28-second porous plate.
Embodiment
Below in conjunction with embodiment and accompanying drawing, describe the technical solution of the utility model in detail.
As depicted in figs. 1 and 2,
A kind of pour to strain to test device testing heavy metal element release and transport, comprise: support 13, leaching post 7, be with graduated first leaching receiving flask 11, second leaching receiving flask 27, vacuum pump 12, leaching post 7 described in safety bottle 26 is placed on support 13, the graduated second leaching receiving flask 27 of band is placed in described leaching post 7 lower end, described leaching post 7 side is provided with suction leaking equipment 9, described leaching post 7 height >=105CM, described leaching post 7 cylinder internal diameter >=12.5CM, described absorption leaking equipment 9 is connected with the first leaching receiving flask 11 by the first catheter 5, between the graduated first leaching receiving flask 11 of described band and vacuum pump 12, safety bottle 26 is set, be with graduated first leaching receiving flask 11, vacuum pump 12 is connected by the first catheter 5 with safety bottle 26, also comprise the pin shower nozzle 6 be vertically suspended in by support 13 on leaching post 7, second catheter 25, the funnelform reducing 8 that leaching post 7 bottom connects and the side direction sample tap 10 that leaching post 7 side is arranged, tensiometer 16, wire guide, moisture transducer 17, cable 15, data acquisition system (DAS) instrument 18, computer 19, described leaching post 7 pushes up placement first filtering layer, described first filtering layer is made up of from top to bottom 40 order nylon screens 20 and porous plate 21, described first filtering layer is positioned at immediately below pin shower nozzle 6, described pin shower nozzle 6 water inlet by the first catheter 5 successively with tensimeter 4, flowmeter 3 is connected with liquid pump 2 output terminal, described suction leaking equipment 9, side direction sample tap 10, the spacing of tensiometer 16 and moisture transducer is 20CM, described second catheter 25 one end is connected with the input end of liquid pump 2, described second catheter 25 other end stretches into reserve tank 1, one end that described second catheter 25 stretches into reserve tank 1 is connected to screen pack, one end that described second catheter 25 stretches into reserve tank 1 is statically placed in underwater in water tank, between described reducing 8 and leaching post 7, the second filtering layer is set, described mistake second filtering layer is by 40 order nylon screens 20, silica sand 22, 40 order nylon screens 20 and the second porous plate 28 are from top to bottom formed successively, described second porous plate 28 aperture is R, 0.2CM≤R≤0.5CM, described reducing 8 is provided with ring flange 24 with leaching post 7 junction, described reducing 8, leaching post 7 and ring flange 24 nut and the airtight packing ring of silica gel 23 carry out airtight, the probe of described moisture transducer 17 is embedded in leaching post 7 by the wire guide being arranged at leaching post 7 side, the probe of described tensiometer 16 is embedded in leaching post 7 by the wire guide being arranged at leaching post 7 side, the signal that described tensiometer 16 and moisture transducer 17 collect is passed to described data acquisition system (DAS) instrument 18 by cable 15, described data acquisition system (DAS) instrument 18 is connected with computer 19, described leaching post 7 and reducing 8 adopt organic glass to make, the graduated first leaching receiving flask 11 of described band and the graduated second leaching receiving flask 27 of band use the bottle stopper of wide-mouth vial-type airtight, the graduated second leaching receiving flask 27 of described band is placed on electronic balance 14, the graduated second leaching receiving flask 27 of described band is positioned at below reducing 8 water delivering orifice, the wire guide that the probe of described tensiometer 16 and moisture transducer 17 passes through adopts acidproof or alkali resistant glass glue is airtight, described side direction sample tap 10 adopts the airtight sealing of screw-type, described absorption leaking equipment 9 adopts the airtight sealing of screw-type.
As preferably, the first catheter 5 and the second catheter 25 select silicone tube.
As preferably, peristaltic pump selected by liquid pump 2.
As preferably, described side direction sample tap 10 adopts the airtight sealing of screw-type, and described absorption leaking equipment 9 adopts the airtight sealing of screw-type.
As preferably, the graduated first leaching receiving flask 11 of described band and the graduated second leaching receiving flask 27 of band use the bottle stopper of wide-mouth vial-type airtight.
As preferably, the wire guide that the probe of described tensiometer 16 and moisture transducer 17 passes through adopts acidproof or alkali resistant glass glue is airtight.
The utility model is assembled by following steps:
As shown in Figure 3, after the second porous plate 28 and the airtight packing ring 23 of silica gel are laid in reducing 8 top, by corresponding for the ring flange 24 of reducing 8 and leaching post 7, nut is adopted to connect, as shown in Figure 1, the leaching post 7 after having connected and reducing 8 are installed on the support 13 be made up of stainless steel waterpipe.
40 order nylon screens 20 are from top to bottom laid successively, silica sand 22,40 order nylon screen 20 and the second porous plates 28 bottom leaching post 7.According to field study Rock And Soil section, the rock mass of bulk is carried out being crushed to below 20 orders, in order the Rock And Soil of different section is loaded in leaching post 7 according to drawn mark line, according to the spacing 20cm of the sample tap designed by each side of leaching post 7 and wire guide, when often loading the sample of 20cm height, the leaching post lateral aperture place corresponding at rock-soil layer buries suction lysimeter 9, tensiometer 16, moisture transducer 17 underground, installs the first porous plate 21 and 40 order nylon screen 20 when Rock And Soil is filled to leaching post 7 top successively.
As shown in Figure 1, screw thread riveted joint is used to increase to pin shower nozzle 6 top end by support 13, pin shower nozzle 6 is bound on support 13, use the first catheter 5 to be connected successively with reserve tank 1, liquid pump 2, flowmeter 3 and tensimeter 4, the one end simultaneously stretching into reserve tank 1 at the first catheter 5 arranges screen pack.
Shown in seeing figures.1.and.2, the second leachate receiving flask 27 is placed in the water outlet of reducing 8, and the first leachate receiving flask 11 uses the first catheter 5 to be connected with suction lysimeter 9, vacuum pump 12; Tensiometer 16 and moisture transducer 17 adopt cable 15 to be connected with data acquisition system (DAS) instrument 18, computer 19.
During test, deionized water is contained in reserve tank 1, open liquid pump 2, different discharge, force combination condition are set, utilize pin shower nozzle 6 to be sprayed on the 40 order nylon screens 20 on leaching post 7 top, and progressively branch in each layer rock-soil layer sample through porous plate 21.Each layer Rock And Soil sample is sampled at the Different periods of design, utilizes the physical state data of conputer controlled data acquisition system each layer Rock And Soil and utilize vacuum pump to gather each layer soil leaching liquid respectively, the leachate receiving flask acquiring leachate is placed on electronic balance and weighs, calculate leachate density.For each layer Rock And Soil sample that Different periods gathers, cross 200 orders pulverizing after room temperature is air-dry and carry out heavy metal element test, the leachate of Different periods collection is detected simultaneously, be analyzed by data analysis and each period Rock And Soil sample and Heavy Metals in Water Environment content, find out the leaching of heavy metal element in Rock And Soil, migration and conversion rule.
Claims (8)
1. test the pour to strain to test device of heavy metal element release and transport for one kind, comprise: support (13), leaching post (7), be with graduated first leaching receiving flask (11), second leaching receiving flask (27), vacuum pump (12), the described leaching post (7) of safety bottle (26) is placed on support (13), the graduated second leaching receiving flask (27) of band is placed in described leaching post (7) lower end, described leaching post (7) side is provided with suction leaking equipment (9), described absorption leaking equipment (9) is connected with the first leaching receiving flask (11) by the first catheter (5), between the graduated first leaching receiving flask (11) of described band and vacuum pump (12), safety bottle (26) is set, be with graduated first leaching receiving flask (11), vacuum pump (12) is connected by the first catheter (5) with safety bottle (26),
It is characterized in that: also comprise the pin shower nozzle (6) be vertically suspended in by support (13) on leaching post (7), second catheter (25), the funnelform reducing (8) that leaching post (7) bottom connects and the side direction sample tap (10) that leaching post (7) side is arranged, tensiometer (16), wire guide, moisture transducer (17), cable (15), data acquisition system (DAS) instrument (18), computer (19), described pin shower nozzle (6) water inlet by the second catheter (25) successively with tensimeter (4), flowmeter (3) is connected with liquid pump (2) output terminal, described second catheter (25) one end is connected with the input end of liquid pump (2), described second catheter (25) other end stretches into reserve tank (1), between described reducing (8) and leaching post (7), the second filtering layer is set, described reducing (8) and leaching post (7) junction are provided with ring flange (24), described reducing (8), leaching post (7) and ring flange (24) nut and the airtight packing ring of silica gel (23) carry out airtight, the probe of described moisture transducer (17) is embedded in leaching post (7) by the wire guide being arranged at leaching post (7) side, the probe of described tensiometer (16) is embedded in leaching post (7) by the wire guide being arranged at leaching post (7) side, the signal that described tensiometer (16) and moisture transducer (17) collect is passed to described data acquisition system (DAS) instrument (18) by cable (15), described data acquisition system (DAS) instrument (18) is connected with computer (19), described leaching post (7) and reducing (8) adopt organic glass to make.
2. a kind of pour to strain to test device testing heavy metal element release and transport according to claim 1, it is characterized in that: the graduated second leaching receiving flask (27) of described band is placed on electronic balance (14), the graduated second leaching receiving flask (27) of described band is positioned at below reducing (8) water delivering orifice.
3. a kind of pour to strain to test device testing heavy metal element release and transport according to claim 1, it is characterized in that: described leaching post (7) top placement first filtering layer, described first filtering layer is made up of from top to bottom nylon screen (20) and the first porous plate (21), and described first filtering layer is positioned at immediately below pin shower nozzle (6).
4. a kind of pour to strain to test device testing heavy metal element release and transport according to claim 1, it is characterized in that: one end that described second catheter (25) stretches into reserve tank (1) is connected to screen pack, one end that described second catheter (25) stretches into reserve tank (1) is statically placed in underwater in water tank.
5. a kind of pour to strain to test device testing heavy metal element release and transport according to claim 1, is characterized in that: the spacing of described suction leaking equipment (9), side direction sample tap (10), tensiometer (16) and moisture transducer (17) is 20CM.
6. a kind of pour to strain to test device testing heavy metal element release and transport according to claim 1, it is characterized in that: described second filtering layer is by nylon screen (20), silica sand (22), nylon screen (20) and the second porous plate (28) are from top to bottom formed successively.
7. a kind of pour to strain to test device testing heavy metal element release and transport according to claim 1, is characterized in that: described leaching post (7) highly >=105CM, described leaching post (7) cylinder internal diameter >=12.5CM.
8. a kind of pour to strain to test device testing heavy metal element release and transport according to claim 6, is characterized in that: described second porous plate (28) aperture is R, 0.2CM≤R≤0.5CM.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420835352.4U CN204405490U (en) | 2014-12-25 | 2014-12-25 | A kind of pour to strain to test device testing heavy metal element release and transport |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420835352.4U CN204405490U (en) | 2014-12-25 | 2014-12-25 | A kind of pour to strain to test device testing heavy metal element release and transport |
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| CN204405490U true CN204405490U (en) | 2015-06-17 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568677A (en) * | 2014-12-25 | 2015-04-29 | 西南交通大学 | Leaching test device and method for indoor heavy metal pollutants |
| CN106124386A (en) * | 2016-09-01 | 2016-11-16 | 中国地质大学（武汉） | A kind of undisturbed soil effecive porosity analyzer |
| CN106483269A (en) * | 2016-09-21 | 2017-03-08 | 陕西科技大学 | A kind of Study On Lead/cadmium infiltrates, migrates and returns the device and method becoming in loess |
| CN106950349A (en) * | 2017-03-27 | 2017-07-14 | 河海大学 | Soils and sediments original position hierarchical elements determination experiment device |
| CN109709002A (en) * | 2019-02-28 | 2019-05-03 | 湖北理工学院 | A kind of device and method infiltrating the vertical release of pollutant based on simulation unsaturation |
| CN110274852A (en) * | 2019-07-15 | 2019-09-24 | 长安大学 | A kind of groundwater dynamic experimental system for simulating and experimental method |
| CN111574004A (en) * | 2020-05-19 | 2020-08-25 | 哈工大机电工程(嘉善)研究院 | Comprehensive experimental device for reduction of oily sludge |
| CN112858637A (en) * | 2021-02-05 | 2021-05-28 | 中国地质调查局西安地质调查中心(西北地质科技创新中心) | Open-air normal position undercurrent area pollution element migration test device |
| CN113866384A (en) * | 2021-09-05 | 2021-12-31 | 桂林理工大学 | Detachable soil column soil water and solute transport testing device and method |
| CN115634923A (en) * | 2022-09-08 | 2023-01-24 | 中国矿业大学 | Method for repairing heavy metal contaminated soil around coal-based solid waste storage yard |
| CN117589525A (en) * | 2024-01-19 | 2024-02-23 | 河海大学 | A regularly quantitative collection device for soil infiltration |
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- 2014-12-25 CN CN201420835352.4U patent/CN204405490U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104568677A (en) * | 2014-12-25 | 2015-04-29 | 西南交通大学 | Leaching test device and method for indoor heavy metal pollutants |
| CN106124386A (en) * | 2016-09-01 | 2016-11-16 | 中国地质大学（武汉） | A kind of undisturbed soil effecive porosity analyzer |
| CN106124386B (en) * | 2016-09-01 | 2019-01-15 | 中国地质大学（武汉） | A kind of undisturbed soil effecive porosity analyzer |
| CN106483269A (en) * | 2016-09-21 | 2017-03-08 | 陕西科技大学 | A kind of Study On Lead/cadmium infiltrates, migrates and returns the device and method becoming in loess |
| CN106950349A (en) * | 2017-03-27 | 2017-07-14 | 河海大学 | Soils and sediments original position hierarchical elements determination experiment device |
| CN109709002B (en) * | 2019-02-28 | 2024-03-19 | 湖北理工学院 | Device and method based on simulation of vertical release of unsaturated infiltration pollutants |
| CN109709002A (en) * | 2019-02-28 | 2019-05-03 | 湖北理工学院 | A kind of device and method infiltrating the vertical release of pollutant based on simulation unsaturation |
| CN110274852A (en) * | 2019-07-15 | 2019-09-24 | 长安大学 | A kind of groundwater dynamic experimental system for simulating and experimental method |
| CN110274852B (en) * | 2019-07-15 | 2021-08-17 | 长安大学 | Underground water dynamic simulation experiment system and method |
| CN111574004A (en) * | 2020-05-19 | 2020-08-25 | 哈工大机电工程(嘉善)研究院 | Comprehensive experimental device for reduction of oily sludge |
| CN112858637A (en) * | 2021-02-05 | 2021-05-28 | 中国地质调查局西安地质调查中心(西北地质科技创新中心) | Open-air normal position undercurrent area pollution element migration test device |
| CN112858637B (en) * | 2021-02-05 | 2024-01-02 | 中国地质调查局西安地质调查中心(西北地质科技创新中心) | Outdoor in-situ undercurrent belt pollution element migration test device |
| CN113866384A (en) * | 2021-09-05 | 2021-12-31 | 桂林理工大学 | Detachable soil column soil water and solute transport testing device and method |
| CN115634923A (en) * | 2022-09-08 | 2023-01-24 | 中国矿业大学 | Method for repairing heavy metal contaminated soil around coal-based solid waste storage yard |
| CN117589525A (en) * | 2024-01-19 | 2024-02-23 | 河海大学 | A regularly quantitative collection device for soil infiltration |
| CN117589525B (en) * | 2024-01-19 | 2024-03-19 | 河海大学 | A regularly quantitative collection device for soil infiltration |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20171225 |