CN107238563A - It is a kind of to determine head many native ring soil permeability detection means and its measuring method - Google Patents

It is a kind of to determine head many native ring soil permeability detection means and its measuring method Download PDF

Info

Publication number
CN107238563A
CN107238563A CN201710655261.0A CN201710655261A CN107238563A CN 107238563 A CN107238563 A CN 107238563A CN 201710655261 A CN201710655261 A CN 201710655261A CN 107238563 A CN107238563 A CN 107238563A
Authority
CN
China
Prior art keywords
water
detection means
soil
water supply
soil permeability
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710655261.0A
Other languages
Chinese (zh)
Inventor
高晓飞
刘刚
刘宝元
王大安
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Normal University
Original Assignee
Beijing Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Normal University filed Critical Beijing Normal University
Priority to CN201710655261.0A priority Critical patent/CN107238563A/en
Publication of CN107238563A publication Critical patent/CN107238563A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/0806Details, e.g. sample holders, mounting samples for testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N5/00Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N2015/0846Investigating permeability, pore-volume, or surface area of porous materials by use of radiation, e.g. transmitted or reflected light

Abstract

The present invention disclose it is a kind of determine soil ring soil permeability detection means and its measuring method more than head, including:Water supply bottle;Water supply transverse tube;Some water outlets are in charge of;Cutting ring;Beaker;And detection means.Further comprise surge flask, funnel, and supply-water pump.A kind of soil permeability measuring method disclosed by the invention, comprises the following steps:S1, the soil to be measured of identical component or heterogeneity is respectively placed in each cutting ring;The water side that S2, each water outlet are in charge of is respectively placed in the cutting ring space on each soil to be measured;S3, using water supply bottle be each water outlet be in charge of simultaneously water supply;S4, detection means is utilized to detect the water in each beaker;S5, by the way that in the stipulated time, the water in beaker obtains the infiltration rate of each soil to be measured.When the present invention is implemented, the detection of permeability can be carried out respectively to identical or different soil column simultaneously, operating efficiency is greatly improved, time and human cost is saved, experimental precision is improved.

Description

It is a kind of to determine head many native ring soil permeability detection means and its measuring method
Technical field
The present invention relates to farmland water balance fields of measurement.Determine native ring soil permeability dress more than head more particularly, to a kind of Put and its measuring method.
Background technology
Soil water infiltration is the physical phenomenon that water penetrates into soil, is represented with the depth of water that the unit interval infiltrates, i.e. permeability model Or infiltration rate, or infiltrate accumulation curve to last and represent.Soil water infiltration enters soil and its in soil with precipitation, irrigation water Store substantial connection.In the case that infiltration rate is low, the moisture for penetrating into soil is low, can produce backwater waterlogging;Or have little time into The water oozed flows away along earth's surface, and takes away soil, the problems such as causing soil erosion.When infiltration rate is too high, it is unfavorable for soil water retention, also Harmful effect can be produced to some water conservancy projects.Therefore, field irrigation, farmland water conservancy works construction and soil and water losses observation are all needed Pay close attention to soil water infiltration problem.
At present, the method for field measurement soil water infiltration is a lot, and such as single-ring infiltration instrument, double-ring infiltration instrument, tension force enter Instrument etc. is oozed, is all under certain head driving, to determine the water transmitting ability of soil at saturation condition.Indoor measurement soil infiltration Frequently with core cutter method, soil column is gathered using cutting ring, gives soil column one constant head, observes its infiltration rate.Should Method is simpler, but generally requires the multiple repetitions of development.Multiple cutting rings are looked after simultaneously, are wasted time and energy.Using artificial water application's Method is often attended to one thing and lose sight of another, it is necessary to constantly add water, and delays experimental record, and experimental error becomes big, and can not be simultaneously to different soil Earth post carries out the detection of permeability respectively.
The content of the invention
Determine native ring soil permeability detection means more than head it is an object of the present invention to provide a kind of, the device can be simultaneously Carry out the detection of permeability respectively to identical or different soil column, so as to greatly improve operating efficiency, save the time and Human cost, improves experiment accuracy rate.
Determine native ring soil permeability measuring method more than head, this method operation it is another object of the present invention to provide a kind of Simply, the detection of permeability can be carried out respectively to identical or different soil column simultaneously.
To reach above-mentioned purpose, the present invention uses following technical proposals:
Present invention offer is a kind of to determine many native ring soil permeability detection means of head, and the soil permeability detection means includes:
Water supply bottle;The water supply transverse tube set is connected with the water supply bottle;It is connected to some water outlets on the water supply transverse tube It is in charge of;It is in charge of the cutting ring that lower section is used to accommodate soil to be measured positioned at each water outlet;Beaker below each cutting ring;And it is some with it is each The corresponding detection means for being used to detect soil permeability to be measured of beaker.
Preferably, the soil permeability detection means further comprises being located at slow between the water supply bottle and water supply transverse tube Bottle is rushed, soft pipe connection is passed through respectively between the surge flask and water supply bottle and water supply transverse tube.
Preferably, the soil permeability detection means further comprises the funnel for being connected to the cutting ring bottom.
Preferably, the soil permeability detection means further comprises connecting the confession set with the water supply bottle by flexible pipe Water pump.
Preferably, the detection means includes gravity sensing timer or infrared induction timer.
It is highly preferred that the inductor of the gravity sensing timer is cylinder inductor, mesh diameter is slightly less than moisture Pipe drop diameter, timer is fixed on cylinder side.The gravity sensing timer can also be located at beaker bottom, sense beaker Weight change.
The present invention also provides a kind of soil permeability measuring method, comprises the following steps:
S1, the soil to be measured of identical component or heterogeneity is respectively placed in each cutting ring;
The water side that S2, each water outlet are in charge of is respectively placed in the cutting ring space on each soil to be measured;
S3, using water supply bottle it is that waters supply is in charge of in each water outlet, water supply bottle primarily serves the head height controlled in process of osmosis;
S4, the water change using each interior infiltration of detection means sensing;
S5, by the water in cup in the unit of account time, obtain the infiltration rate of each soil to be measured.
Beneficial effects of the present invention are as follows:
Present invention offer is a kind of to determine many native ring soil permeability rate measurement devices of head and its measuring method.During implementation, energy It is enough continually and steadily to be supplied water to multiple identical or different earth pillars to be measured simultaneously, operating efficiency is greatly improved, time and people is saved Power cost, improves experiment accuracy rate.Surge flask can to water supply transverse tube provide a larger head, while water surface tension and Water supply transverse tube is enabled to quickly fill with water under siphonage, each water outlet is in charge of almost can be while produce solid stream of water, so as to protect Continuous water supply has been demonstrate,proved, then under the head control of water supply bottle, the stationary flow of identical head is provided for each earth pillar to be measured.This The measuring method provided is provided, the operating efficiency of soil permeability observation experiment is greatly improved;Use detection water seepage quantitative change The method of change, can the judgement of timing ooze out water, calculate the infiltration rate of each soil.The workload artificially recorded is reduced, Realize the measurement of semi-automation.To a certain extent, labour has been liberated well, and improves accuracy of observation.
Brief description of the drawings
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows a kind of to determine many native ring soil permeability detection means schematic diagrames of head;
Fig. 2 shows the flow chart of Fig. 1 soil testing assemblies measuring methods;
Reference:1- water supply bottles, 2- water inlets, 3- gas outlets, 4- delivery ports, 5- surge flasks, 6- water inlets, 7- water outlets Mouthful, 8- water bottle supports, 9- water supply transverse tubes, 91- water supply branch pipes, 11- cutting ring supports, 12- columns, 13- funnels, 14- cutting rings, 15- Beaker tray, 16- beakers, 17- supply-water pumps, 18- blow vents, 19-21 flexible pipes, 22- detection means.
Embodiment
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings It is bright.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that institute is specific below The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
Present invention offer is a kind of to determine many native ring soil permeability detection means of head, referring to Fig. 1, the soil permeability detection dress Put including water supply bottle 1;The water supply transverse tube 9 set is connected with the water supply bottle 1;If being connected to doing on the water supply transverse tube 9 Moisture pipe 91;It is in charge of the cutting ring 14 that 91 lower sections are used to accommodate soil to be measured positioned at each water outlet;Beaker positioned at each lower section of cutting ring 14 16;And some detection means 22 for being used to detect soil permeability to be measured corresponding with each beaker 16.One kind that the present invention is provided The detection of permeability can respectively be carried out to identical or different soil column simultaneously by determining many native ring soil permeability detection means of head, Operating efficiency is greatly improved, time and human cost is saved, experiment accuracy rate is improved.
In addition, in order that water supply bottle can be continual and steady water supply, referring to Fig. 1, the present invention provide a kind of to determine head more Native ring soil permeability detection means can also include the surge flask 5 being located between the water supply bottle 1 and water supply transverse tube 9, the buffering Pass through soft pipe connection respectively between bottle 5 and water supply bottle 1 and water supply transverse tube 9.What the present invention was provided determines many native ring soil permeabilities of head Detection means, due to there is the presence of surge flask between water supply bottle and water supply transverse tube so that water supply can be continual and steady, reduces reality The error tested.
In addition, in order that the water droplet oozed out from cutting ring bottom can assemble importing special container, referring to Fig. 1, the present invention is carried Determine the funnel 13 that native ring soil permeability detection means more than head can also include being connected to the bottom of cutting ring 14 for a kind of.This hair The many native ring soil permeability detection means of head are determined in bright offer, because funnel has aggregation and the effect of water conservancy diversion so that from cutting ring The water droplet that bottom is oozed out will not spill loading amount container.
In addition, in order to complete automatic water supply, a supply-water pump can be set, head is determined referring to Fig. 1 present invention offers are a kind of Many soil ring soil permeability detection means can also include connecting the supply-water pump 17 set with the water supply bottle 1 by flexible pipe.Due to Water constantly can be pumped into water supply bottle by supply-water pump, therefore eliminate the operation of artificial addition water, more convenient operation.
In addition, in order to more accurately detect soil permeability water Drain time, such as Fig. 1, one kind that the present invention is provided is determined The detection means 22 of many native ring soil permeability detection means of head can include gravity sensing timer or infrared induction timer, Timing inductor is correspondingly arranged with each cutting ring, for example, be arranged on the side wall of cutting ring or beaker bottom.Specifically, in order to detailed Illustrate the effect of the program, the present invention includes two and preferable is correspondingly arranged method:The sense of the gravity sensing timer It is cylinder inductor to answer device, and mesh diameter is slightly less than water outlet and is in charge of drop diameter, and timer is fixed on cylinder side;The gravity Beaker bottom can also be located at by sensing timer, sense beaker weight change.It should be noted that the preferred scheme is only this Invention is illustrated, and the mode that is correspondingly arranged of the invention is not limited to above-mentioned set-up mode.
In addition, the present invention also provides a kind of soil permeability measuring method, referring to Fig. 2, comprise the following steps:
S1, by identical or different composition soil be respectively placed in correspondence cutting ring in;
The water side that S2, each water outlet are in charge of is respectively placed in the cutting ring space on each soil to be measured;
S3, using water supply bottle it is that waters supply is in charge of in each water outlet, water supply bottle primarily serves the head height controlled in process of osmosis;
S4, the water for sensing interior infiltration using detection means change;
S5, by the way that in the unit interval, the water in beaker obtains the infiltration rate of each soil to be measured.
By the soil permeability measuring method, the present invention can be completed while being oozed respectively to identical or different soil column The test experience of saturating rate, greatly improves operating efficiency, saves time and human cost, improves experiment accuracy rate.
In addition, representing the measuring method that the present invention is provided in order to clearer, specific operating procedure is provided below:
(1) cutting ring 14 for having round shape earth pillar of experiment is got out.
(2) water supply bottle 1 and surge flask 5 are placed on water bottle support 8, funnel 13 is placed on cutting ring support 11, open logical Gas port 18, balances the water supply pressure in the bottle.
(3) all valves are checked, all in closed mode, each water conduction hose are connected.
(4) valve of gas outlet 3 and the valve of water inlet 2 on water supply bottle 1 are opened, starts supply-water pump 17, adds water and arrive needs Capacity, closes supply-water pump 17.
(5) valve of water inlet 2 is closed, the valve of water inlet 6 on the valve of delivery port 4 and surge flask 5 of water supply bottle 1 is opened Supplied water to surge flask 5 to the capacity (unsuitable too many, general 20mm higher than the water inlet pipe of surge flask 5) needed, be then shut off supplying The valve of air inlet 3 on water bottle 1.
(6) surge flask 5 is improved, makes its delivery port 7 more slightly higher than the water inlet of water supply transverse tube 9.Then on water supply transverse tube Water supply branch pipe 91 slowly opens the valve of delivery port 7 on surge flask 5, is supplied water to water supply transverse tube 9, drive the gas in pipe away slightly towards upper Bubble, and full of water.
(7) water supply transverse tube 9 is placed on the column 12 of cutting ring support 11, beaker tray 15 is placed on together with beaker 16 Immediately below the following funnel 13 of cutting ring support 11.Surge flask 5 is improved, then the quick valve of feed water inlet 7 opened on surge flask 5 Whether the water supply branch pipe 91 of distalmost end can normally water outlet on door, observation water supply transverse tube 9.Normal water outlet can not be such as given, then uses hand Finger blocks other four delivery ports, makes its water outlet.The valve of feed water inlet 7 on surge flask is then shut off, all cutting rings 14 are put into On corresponding funnel 13.And insert the water supply branch pipe 91 on water supply transverse tube 9 in each cutting ring 14 respectively.
(8) beaker 16 will be placed on beaker tray 15, the position of beaker 16 is corresponding with the lower mouth of funnel 13.
(9) valve of feed water inlet 7 opened on surge flask 5 supplies water to each cutting ring 14, if necessary can be directly to buffering Added water in bottle 5, to guarantee to fill it up with each cutting ring 14.
(10) first drip to fall on down and start timing in the beaker 16 that connects since what cutting ring 14 oozed out, to after setting time, survey Measure water change.
(11) when five cutting rings repetition experiments need not be done, 250mL beakers in tall form can be used to be filled with water and be placed on cutting ring On the funnel position of frame 11, no water supply branch pipe 91 on water supply transverse tube 9 is inserted.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms, all embodiments can not be exhaustive here, it is every to belong to this hair Row of the obvious changes or variations that bright technical scheme is extended out still in protection scope of the present invention.

Claims (8)

1. a kind of determine many native ring soil permeability detection means of head, it is characterised in that
The soil permeability detection means includes:Water supply bottle (1);
The water supply transverse tube (9) set is connected with the water supply bottle (1);
Some water outlets being connected on the water supply transverse tube (9) are in charge of (91);
Being in charge of positioned at each water outlet is used for the cutting ring (14) for accommodating soil to be measured below (91);
Beaker (16) below each cutting ring (14);And
Some detection means (22) for being used to detect soil permeability to be measured being correspondingly arranged with each beaker (16).
2. soil permeability detection means according to claim 1, it is characterised in that
The soil permeability detection means further comprises the surge flask being located between the water supply bottle (1) and water supply transverse tube (9) (5), soft pipe connection is passed through respectively between the surge flask (5) and water supply bottle (1) and water supply transverse tube (9).
3. soil permeability detection means according to claim 1, it is characterised in that the soil permeability detection means is further Funnel (13) including being connected to the cutting ring (14) bottom.
4. soil permeability detection means according to claim 1, it is characterised in that the soil permeability detection means is further Including connecting the supply-water pump (17) set with the water supply bottle (1) by flexible pipe.
5. soil permeability detection means according to claim 1, it is characterised in that
The detection means (22) includes gravity sensing timer or infrared induction timer.
6. soil permeability detection means according to claim 5, it is characterised in that
The inductor of the gravity sensing timer is cylinder inductor, and mesh diameter is in charge of drop diameter, timing less than water outlet Device is fixed on cylinder side.
7. soil permeability detection means according to claim 5, it is characterised in that the gravity sensing timer is located at beaker Bottom, senses beaker weight change.
8. a kind of carry out soil permeability measuring method using the detection means as described in any one of claim 1-7 claim, its It is characterised by, comprises the following steps:
S1, the soil to be measured of identical component or heterogeneity is respectively placed in each cutting ring (14);
S2, each water outlet are in charge of in the space that the water side of (91) is respectively placed on each soil to be measured;
S3, using water supply bottle (1) be each water outlet be in charge of (91) supply water;
S4, the water for sensing interior infiltration using detection means change;
S5, by the way that in the stipulated time, the water in beaker (16) obtains the infiltration rate of each soil to be measured.
CN201710655261.0A 2017-08-03 2017-08-03 It is a kind of to determine head many native ring soil permeability detection means and its measuring method Pending CN107238563A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710655261.0A CN107238563A (en) 2017-08-03 2017-08-03 It is a kind of to determine head many native ring soil permeability detection means and its measuring method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710655261.0A CN107238563A (en) 2017-08-03 2017-08-03 It is a kind of to determine head many native ring soil permeability detection means and its measuring method

Publications (1)

Publication Number Publication Date
CN107238563A true CN107238563A (en) 2017-10-10

Family

ID=59988595

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710655261.0A Pending CN107238563A (en) 2017-08-03 2017-08-03 It is a kind of to determine head many native ring soil permeability detection means and its measuring method

Country Status (1)

Country Link
CN (1) CN107238563A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108279201A (en) * 2018-04-28 2018-07-13 聊城大学 Determine head saturated hydraulic conductivity in soil batch measurement device
CN110595984A (en) * 2019-10-29 2019-12-20 兰州理工大学 Cylinder infiltration instrument for measuring undisturbed soil saturated hydraulic conductivity and measuring method thereof
CN110763606A (en) * 2019-11-04 2020-02-07 河海大学 Indoor batch measuring device and method for soil saturation hydraulic conductivity
CN111220526A (en) * 2020-01-21 2020-06-02 安徽省(水利部淮河水利委员会)水利科学研究院(安徽省水利工程质量检测中心站) Monitoring device for uneven leakage of soil
CN112326525A (en) * 2020-10-23 2021-02-05 山东大学 Double-ring water seepage experiment device and method
CN112797963A (en) * 2021-01-18 2021-05-14 王春林 Engineering cost ware for desert planting

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5133207A (en) * 1991-02-14 1992-07-28 Houston Industries Incorporated Apparatus and method for simultaneously testing the permeability of multiple core specimens
CN104677804A (en) * 2015-03-17 2015-06-03 中国科学院南京土壤研究所 Batch determinator for soil saturated water conductivity of automatic flow-control constant head with float ball and lever
CN205024802U (en) * 2015-09-25 2016-02-10 深圳市工大国际工程设计有限公司 Energy -saving rainwater recycling system
CN205607822U (en) * 2016-05-17 2016-09-28 三峡大学 Soil saturated hydraulic conductivity's batch apparatus under survey different temperatures circumstances
CN106092853A (en) * 2016-06-07 2016-11-09 长安大学 A kind of soil mass water air humidity falls into consolidation infiltration simultaneous determination instrument
CN206057132U (en) * 2016-08-31 2017-03-29 重庆兴渝涂料股份有限公司 Liquid material viscosity detection means
CN207007665U (en) * 2017-08-03 2018-02-13 北京师范大学 It is a kind of to determine the how native ring soil permeability detection means of head

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5133207A (en) * 1991-02-14 1992-07-28 Houston Industries Incorporated Apparatus and method for simultaneously testing the permeability of multiple core specimens
CN104677804A (en) * 2015-03-17 2015-06-03 中国科学院南京土壤研究所 Batch determinator for soil saturated water conductivity of automatic flow-control constant head with float ball and lever
CN205024802U (en) * 2015-09-25 2016-02-10 深圳市工大国际工程设计有限公司 Energy -saving rainwater recycling system
CN205607822U (en) * 2016-05-17 2016-09-28 三峡大学 Soil saturated hydraulic conductivity's batch apparatus under survey different temperatures circumstances
CN106092853A (en) * 2016-06-07 2016-11-09 长安大学 A kind of soil mass water air humidity falls into consolidation infiltration simultaneous determination instrument
CN206057132U (en) * 2016-08-31 2017-03-29 重庆兴渝涂料股份有限公司 Liquid material viscosity detection means
CN207007665U (en) * 2017-08-03 2018-02-13 北京师范大学 It is a kind of to determine the how native ring soil permeability detection means of head

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108279201A (en) * 2018-04-28 2018-07-13 聊城大学 Determine head saturated hydraulic conductivity in soil batch measurement device
CN110595984A (en) * 2019-10-29 2019-12-20 兰州理工大学 Cylinder infiltration instrument for measuring undisturbed soil saturated hydraulic conductivity and measuring method thereof
CN110763606A (en) * 2019-11-04 2020-02-07 河海大学 Indoor batch measuring device and method for soil saturation hydraulic conductivity
CN111220526A (en) * 2020-01-21 2020-06-02 安徽省(水利部淮河水利委员会)水利科学研究院(安徽省水利工程质量检测中心站) Monitoring device for uneven leakage of soil
CN112326525A (en) * 2020-10-23 2021-02-05 山东大学 Double-ring water seepage experiment device and method
CN112797963A (en) * 2021-01-18 2021-05-14 王春林 Engineering cost ware for desert planting

Similar Documents

Publication Publication Date Title
CN107238563A (en) It is a kind of to determine head many native ring soil permeability detection means and its measuring method
CN107525756B (en) A kind of soil layering characteristic-acquisition method and application
CN104776971A (en) Visualization experiment device for liquid and sand carrying of gas flow
CN108301821A (en) Horizontal well takes liquid visual experimental apparatus and method
CN110763606A (en) Indoor batch measuring device and method for soil saturation hydraulic conductivity
CN108444890A (en) Test the middle and high unstable state titration outfit and method for oozing rock core liquid and surveying permeability
CN106896048A (en) Geneva bottle and union thimble experimental rig for stablizing liquid level
CN104729845B (en) Drip irrigation below the surface device anti-blocking performance test device
CN206168621U (en) Controllable raininess rainfall simulation device in field
CN107873317A (en) Pot experiment water management device and its control method
CN108344666A (en) A kind of mancarried device of Field simulation underground drip irrigation
CN207007665U (en) It is a kind of to determine the how native ring soil permeability detection means of head
CN106092850A (en) A kind of experimental provision monitoring hole water-soluble matter migration rule
CN206725404U (en) A kind of multi-functional column simulation integrating device for continuous monitoring
CN208060477U (en) The leaching system of indoor simulation coal gangue coal ash and fill paste
CN105467152B (en) For the tracer delivery device of underground bearing water tracer experiment
CN208091868U (en) The circulation experiment device of porosity, specific yield and infiltration coefficient can be measured simultaneously
CN105333989B (en) For measuring the pressure-inducting device of the differential pressure of liquid medium in pipeline
KR200475581Y1 (en) Water level control type soil infiltration velocity measuring apparatus
CN206489034U (en) A kind of mancarried device of Field simulation underground drip irrigation
CN209280520U (en) A kind of tailing row infiltration system silting imitative experimental appliance
CN205958302U (en) Groundwater sampling device is used to hydrogeology
CN109085005A (en) A kind of agricultural filter performance synthesis test platform
CN105684837B (en) Rice field pollutant output control system based on AWD irrigation techniques and method
CN108181206A (en) Slurries diffusion test set and test method in a kind of dynamic water

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20171010