CN205785754U - A kind of experimental provision detecting seepage flow and pressure and temp relation - Google Patents
A kind of experimental provision detecting seepage flow and pressure and temp relation Download PDFInfo
- Publication number
- CN205785754U CN205785754U CN201620505574.9U CN201620505574U CN205785754U CN 205785754 U CN205785754 U CN 205785754U CN 201620505574 U CN201620505574 U CN 201620505574U CN 205785754 U CN205785754 U CN 205785754U
- Authority
- CN
- China
- Prior art keywords
- soil
- containers
- pressure
- hot
- heating system
- 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.)
- Expired - Fee Related
Links
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
A kind of experimental provision detecting seepage flow and pressure and temp relation, including water storage device, water storage device is connected by water pump with hot-water heating system, it is provided with in hot-water heating system bottom and adds heat pipe, the first heat conduction division board with the first sealing ring it is provided with between hot-water heating system and containers of soil, it is provided with between containers of soil and discharge casing with the second heat conduction division board with the wire gauze filtering geotextiles, in containers of soil, multiple temperature sensor is distributed.The experiment of the seepage flow relation when water pressure and medium temp change can be carried out by this device.Experiment is divided into three phases and carries out, and carries out the temperature conduction experiment of the heat transfer test of unsaturated soil, the Seepage Experiment of saturated soil and saturated soil respectively.
Description
Technical field
It is relevant to variations in temperature mutual relation etc. that this utility model relates to the permeation fluid mechanics in a kind of hydrodynamics, thermodynamics
Field, specifically relates to a kind of and detection seepage flow and the experimental provision of pressure and temp relation.
Background technology
Relation between the change of the soil moisture, hydraulic pressure and seepage flow, is existed by France's hydraulician H.-P.-G. darcy
Within 1852～1855, drawn by great many of experiments.Its expression formula is:
This law only describes the relation between percolation flow velocity and hydraulic slope.Infiltration coefficient is the intrinsic genus of earth materials
Property, its mensuration is many to be completed by experiment, and coefficient of permeability K is an index of concentrated expression soil body penetration ability, its
Correctly determining of numerical value has very important meaning to infiltration calculation.The factor affecting infiltration coefficient size is a lot, main
The viscosity etc. of shape, size, nonuniformity coefficient and the water of soil body granule to be depended on, calculation permeability coefficient to be set up
The exact theoretical formula of k is relatively difficult, generally can pass through test method, including laboratory method and on-site measurement method
Or empirical estimation method determines k value, but these methods all have certain limitation, and examine without special equipment
Survey.
Summary of the invention
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of special equipment, by this equipment,
The change impact on infiltration coefficient of pressure, temperature can be detected.
The purpose of this utility model is achieved in that
A kind of experimental provision detecting seepage flow and pressure and temp relation, experimental provision includes water storage device, water storage device with
Hot-water heating system connects, and is provided with in hot-water heating system bottom and adds heat pipe, arranges between hot-water heating system and containers of soil
There is the first heat conduction division board with sealing ring, be provided with sealing ring second between containers of soil and discharge casing and lead
Plate is thermally isolated, in containers of soil, multiple temperature sensor is distributed.
Described water storage device includes tank, and tank passes through pipeline connection by pressure pump and hot-water heating system.
The first described heat conduction division board uses heat conduction nylon to make.
The heat conductivity of described heat conduction nylon is 0.5-1.0 (W/m-k).
Pressure pump is provided with piezometer on the connecting pipeline of hot-water heating system.
It is separately installed with thermometer in heater and containers of soil.
Temperature sensor layered arrangement in containers of soil.
In the middle part of the tank of water storage device, left side edge, bottom margin；Containers of soil top；At draining water tank
It is mounted on temperature sensor；Containers of soil top is also provided with temperature sensor for monitoring top ambient temperature；Soil
Earth lower vessel portion is also provided with temperature sensor for monitoring bottom ambient temperature.
The height of hot-water heating system, containers of soil and draining water tank is identical.
Utilize said apparatus detection seepage flow and the method for pressure and temp relation, comprise the following steps:
Step one: fill water in hot-water heating system, due to hot-water heating system and and containers of soil between be provided with
First heat conduction division board of sealing ring, the temperature of hot-water heating system just can quickly and be delivered evenly to the soil of containers of soil
In earth, but the water in tank will not penetrate in containers of soil；During experiment, coolant-temperature gage in tank is uniformly raised N
Degree Celsius, monitor the temperature data in containers of soil and record 1 group of temperature data Tn；Later in units of N degree Celsius
Repeat to adjust the water temperature in tank and carry out test of many times, and record the temperature of monitoring in temperature increase N and containers of soil
Series Tn；
Step 2: remove the first heat conduction isolation between hot-water heating system and containers of soil, and containers of soil and discharge casing
Sealing ring on plate and the second heat conduction division board, and keep the water level that hot-water heating system is interior and draining water tank internal phase is same,
Because being now saturated soil, do not have seepage flow and temperature conduction occurs, change in hot-water heating system by the requirement of the first step
Temperature, utilize temperature sensor test saturated soil in temperature conduction situation；
Step 3: in controlling hot-water heating system, temperature keeps constant with pressure condition, discharges the water in discharge casing, so
Because head difference, seepage flow can be caused, because seepage flow causes variations in temperature that conduction of heat causes and seepage discharge to be recorded,
Constantly adjust the temperature of water in hot-water heating system by the requirement of step one and repeat experiment；Adjust in hot-water heating system
Water level, or adjust hydraulic pressure by pressure pump, adjust certain head every time, repeat the experiment of step 2, and remember
Record data；Analyze the data that above three steps obtain, i.e. can get the heat transfer impact on seepage discharge, and they it
Between quantitative relation.
The detection seepage flow that this utility model provides is that this type of detection provides one with the experimental provision of pressure and temp relation
Complete detection equipment, device structure is simple, easy to use；Utilize this equipment can carry out seepage flow at pressure and soil
The experiment of relation when medium temp changes, is tested by above-mentioned listed step, can complete two targets: one
Being can be with collecting temperature change conduction, quantitative relation of convection current in soil, two be by setting pressure P, mensuration temperature
Temperature sequence T in degree T, containers of soilnWith seepage discharge Q, by the number before they person of digital simulation methods analyst
Value relation, and be fitted, form the coupled relation between temperature, pressure, seepage flow.
Accompanying drawing explanation
With embodiment, this utility model is described further below in conjunction with the accompanying drawings:
Fig. 1 is the structural representation of this experimental provision.
Fig. 2 be Fig. 1 be the parts composition surface schematic diagram in I-I, II-II district.
Fig. 3 is that this utility model has the wire gauze structural representation filtering geotextiles.
Fig. 4-6 is that in this device, schematic diagram is arranged in temperature sensor.
In figure, 1, tank, 2, pressure pump, 3, hot-water heating system, 4, containers of soil, 5, discharge casing, 6,
Add heat pipe, the 7, first heat conduction division board, the 8, second heat conduction division board, 9, piezometer, 10, thermometer, 11,
Temperature sensor, 12, sealing ring, 13, with filtering the wire gauze of geotextiles, 14, screw, 15 screws, 16,
Support, 17, tank dewatering outlet, 18, hot-water heating system dewatering outlet, 19, air vent, 20, geotextiles, B represents
Stably thermal source.
Detailed description of the invention
Structure of the present utility model is as shown in Figure 1: a kind of experimental provision detecting seepage flow and pressure and temp relation, water storage
Device, water storage device connects with hot-water heating system 3, is provided with in hot-water heating system 3 bottom and adds heat pipe 6, and water heats
The first heat conduction division board 7 with sealing ring 12, the first sealing ring 12 it is provided with between device 3 and containers of soil 4
Be connected by multiple screws 14 with the first heat conduction division board 7, be provided with between containers of soil 4 and discharge casing 5 with
With filtering the second heat conduction division board 8 of wire gauze 13 of geotextiles, with the of the wire gauze 13 filtering geotextiles
Connected by multiple screws 15 between two heat conduction division boards 8, in containers of soil 4, multiple temperature sensor is distributed
11, for ensureing to test closer to truth, construction of stable geothermal source, containers of soil 4 is good with the earth Heat Conduction Material
Good contact, to obtain the temperature environment as the earth, i.e. B portion in Fig. 1.
Water storage device of the present utility model includes that tank 1, tank 1 are passed through with hot-water heating system 3 by pressure pump 2
Pipeline connection.
The entirety of this device is placed on support 16, the bottom of tank 1 is provided with tank dewatering outlet 17, adds at water
Arranging hot-water heating system dewatering outlet 18 bottom thermal 3, hot-water heating system top is provided with air vent 19, in order to
Aqueous vapor is discharged.
Sensor is distributed: be a sensor distribution examples of this device below: as Figure 4-Figure 6, (the volume in figure
Number representative sensor), in actually detected, the distribution of sensor can be adjusted in detail as required.At whole device
In arrange 38 temperature sensors altogether, monitor the temperature of zones of different.Wherein it is arranged in containers of soil 4 31,
Arranging 6 groups altogether to lower and upper, the 1st group of distance container bottom 5 centimetres, the 2nd, 3 groups in same level, distance
First group of vertical dimension is 15 centimetres, and the 4th, 5,6 groups of vertical dimensions are 10 centimetres, and often group sensor is same flat
In face, arrangement pitch is 20 centimetres, and is uniformly distributed.
Be arranged in other position of this experimental provision has 7, and (not marking in Fig. 4-6) is arranged on tank respectively
In, it is arranged in container left side edge, is arranged in container bottom rim, be arranged in top edge, be arranged in draining
At water tank, it is arranged in upper vessel portion monitoring top ambient temperature, is arranged in lower vessel portion monitoring bottom ambient temperature.
This utility model adds man-hour, and according to being processed as shown in Figure 1, each parts use screw to connect, and bottom is with propping up
Each parts are fixed by frame 16.
When testing, on the screw 14 on the first sealing ring 12 and the wire gauze 13 with filtration geotextiles
Screw 15 can outward winding, and remove corresponding sealing ring.
The experimental procedure completed by this experimental provision is as follows:
The first step: fill water in hot-water heating system 3, between hot-water heating system and containers of soil 4 with the first heat conduction every
Separate from plate 7, the temperature of such hot-water heating system just can quickly and be delivered evenly in the soil of containers of soil,
But the water in tank will not penetrate in containers of soil.During experiment, coolant-temperature gage in tank is uniformly raised 2 degrees Celsius,
2 degrees Celsius are raised with temperature in simulation soil.The water temperature later repeating to adjust in tank in units of 2 degrees Celsius is carried out
Test of many times, according to actual requirement, it is possible to raise such as 1 degree Celsius, 3 degrees Celsius, 4 degrees Celsius etc. every time.
Second step: remove the first sealing ring 12, and keep the interior water level identical with in discharge casing 5 of hot-water heating system 3,
Because being now saturated soil, the most do not have seepage flow and temperature conduction occurs, change water by the requirement of the first step and add hot charging
Temperature in putting, temperature conduction and convection current situation in test saturated soil.
3rd step: in hot-water heating system, situation keeps constant, discharges the water in discharge casing 5, so because of head difference,
Seepage flow can be caused, because seepage flow causes variations in temperature that conduction of heat causes and seepage discharge will be recorded, by the first step
Require constantly adjust the temperature of water in hot-water heating system and repeat experiment.Adjust the water level in hot-water heating system, or
Adjust hydraulic pressure by pressure pump 2, every time the head of other data of adjustment 0.5 meter or requirement of experiment, repeat second
Step experiment, and record data.
Tested by above-mentioned listed step, two targets can be completed: one is can to pass in soil with collecting temperature change
Lead, the quantitative relation of convection current, two be by setting pressure P, measure hot-water heating system temperature T, the middle temperature of containers of soil
Degree series TnWith seepage discharge Q, by digital simulation methods analyst numerical relation before them.
In this utility model, pressure pump 2 (maximum hydraulic pressure reaches 10 meters of head hydraulic pressure) this partial devices can directly be used
Aqueduct is from the tank of high water level or eservoir diversion.
Artesian water produces seepage flow, water pressure and temperature in hot-water heating system 3 and can accurately control.Soil volume is big
Clay that is little for 0.5*0.6*1 rice, that use infiltration coefficient to be 10-4 to 10-5 cel, temperature sensor is at soil
Earth is numbered, and is embedded in soil to monitor temperature by Fig. 4 temperature sensor layout drawing order, sensor first
Bottom row distance 10 centimetres, the second 20 centimetres of row distance device top, with in a line between sensor spacing be 20
Centimetre.
Heat conduction division board of the present utility model uses heat conduction nylon to make, and the heat conductivity of the heat conduction nylon of selection is
0.5-1.0(W/m-k)。
This utility model is that pressure pump 2 is provided with piezometer 9 on the connecting pipeline of hot-water heating system 3, can be real
Time monitoring pipeline on water pressure；It is separately installed with thermometer 10 in hot-water heating system 3 and containers of soil 4, can
Monitoring hot-water heating system 3 and the temperature of containers of soil 4 in real time.
Claims (9)
1. the experimental provision detecting seepage flow and pressure and temp relation, it is characterized in that: experimental provision includes water storage device, water storage device connects with hot-water heating system (3), it is provided with in hot-water heating system (3) bottom and adds heat pipe (6), the first heat conduction division board (7) with sealing ring (12) it is provided with between hot-water heating system (3) and containers of soil (4), it is provided with the second heat conduction division board (8) with the wire gauze (13) filtering geotextiles between containers of soil (4) and discharge casing (5), multiple temperature sensor (11) is distributed in containers of soil (4).
Detection seepage flow the most according to claim 1 and the experimental provision of pressure and temp relation, it is characterised in that: described water storage device includes tank (1), and tank (1) passes through pipeline connection by pressure pump (2) and hot-water heating system (3).
Detection seepage flow the most according to claim 1 and the experimental provision of pressure and temp relation, it is characterised in that: the first described heat conduction division board (7) heat conduction nylon is made.
Detection seepage flow the most according to claim 3 and the experimental provision of pressure and temp relation, it is characterised in that: the heat conductivity of described heat conduction nylon is 0.5-1.0 (W/m-k).
Detection seepage flow the most according to claim 1 and the experimental provision of pressure and temp relation, it is characterised in that: it is that pressure pump (2) is provided with piezometer (9) on the connecting pipeline of hot-water heating system (3).
Detection seepage flow the most according to claim 1 and the experimental provision of pressure and temp relation, it is characterised in that: in hot-water heating system (3) and containers of soil (4), it is separately installed with thermometer (10).
Detection seepage flow the most according to claim 1 and the experimental provision of pressure and temp relation, it is characterised in that: temperature sensor (11) layered arrangement in containers of soil (4).
Detection seepage flow the most according to claim 1 and 2 and the experimental provision of pressure and temp relation, it is characterised in that: in the middle part of the tank of water storage device, left side edge, bottom margin；Containers of soil top；It is mounted on temperature sensor at draining water tank；Containers of soil top is also provided with temperature sensor for monitoring top ambient temperature；Containers of soil bottom is also provided with temperature sensor for monitoring bottom ambient temperature, to determine stably thermal source.
Detection seepage flow the most according to claim 1 and the experimental provision of pressure and temp relation, it is characterised in that: the height of hot-water heating system (3), containers of soil (4) and draining water tank (5) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620505574.9U CN205785754U (en) | 2016-05-29 | 2016-05-29 | A kind of experimental provision detecting seepage flow and pressure and temp relation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620505574.9U CN205785754U (en) | 2016-05-29 | 2016-05-29 | A kind of experimental provision detecting seepage flow and pressure and temp relation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205785754U true CN205785754U (en) | 2016-12-07 |
Family
ID=59979684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620505574.9U Expired - Fee Related CN205785754U (en) | 2016-05-29 | 2016-05-29 | A kind of experimental provision detecting seepage flow and pressure and temp relation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205785754U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865746A (en) * | 2016-05-29 | 2016-08-17 | 三峡大学 | Experiment device and method for detecting relationship between seepage and pressure/temperature |
| CN108279255A (en) * | 2018-02-09 | 2018-07-13 | 朱传磊 | A kind of large hydraulic engineering seepage flow real-time detection apparatus |
| CN114894234A (en) * | 2022-03-30 | 2022-08-12 | 泰州学院 | Dam osmotic pressure seepage flow monitoring devices for hydraulic engineering |
-
2016
- 2016-05-29 CN CN201620505574.9U patent/CN205785754U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105865746A (en) * | 2016-05-29 | 2016-08-17 | 三峡大学 | Experiment device and method for detecting relationship between seepage and pressure/temperature |
| CN105865746B (en) * | 2016-05-29 | 2018-11-02 | 三峡大学 | A kind of experimental provision and method of detection seepage flow and pressure and temp relationship |
| CN108279255A (en) * | 2018-02-09 | 2018-07-13 | 朱传磊 | A kind of large hydraulic engineering seepage flow real-time detection apparatus |
| CN114894234A (en) * | 2022-03-30 | 2022-08-12 | 泰州学院 | Dam osmotic pressure seepage flow monitoring devices for hydraulic engineering |
| CN114894234B (en) * | 2022-03-30 | 2024-02-20 | 泰州学院 | Dam osmotic pressure seepage flow monitoring device for hydraulic engineering |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102721722B (en) | In-situ thermal response testing method of stratified thermal properties of underground rock and soil | |
| CN205785754U (en) | A kind of experimental provision detecting seepage flow and pressure and temp relation | |
| CN203587588U (en) | Improved water-salt monitoring device for greenhouse soil | |
| CN201716161U (en) | System for detecting position of dam leakage channel by taking temperature as tracer | |
| CN105865746B (en) | A kind of experimental provision and method of detection seepage flow and pressure and temp relationship | |
| CN101736570B (en) | Device and method for testing fabric contact coldness | |
| CN104101564A (en) | Device and method for testing low-permeability core starting pressure gradient at high temperature and high pressure with unsteady state method | |
| CN206974932U (en) | Ground geo-thermal response test system | |
| CN104314514A (en) | Visualization experiment device and method for profile control performance evaluation of weak gel of fractured reservoir | |
| Ren et al. | A review on using heat as a tool for studying groundwater–surface water interactions | |
| CN103091358A (en) | Indoor model test apparatus for ground source heat pump rock soil thermal response testing and application thereof | |
| CN106841291A (en) | For determining each device and its method of testing to thermal conductivity factor of frozen soil | |
| CN205879561U (en) | Wet transmission performance simulating measurement setup of U type ground pipe laying heat exchanger heat | |
| CN106802271A (en) | A kind of measurement apparatus and method of poly- oil reservoirs fluid neuron network free-boundary problem | |
| CN108169100B (en) | Device and method for in-situ measurement of rainfall infiltration parameters | |
| CN204694654U (en) | The hot physical property of combined type ground source heat pump rock-soil and underground pipe heat exchange tester | |
| CN104121017B (en) | A kind of three-dimensional simulation oil reservoir remaining oil saturation measurement method and device | |
| CN113029894A (en) | Test bed for simulating three-dimensional heat seepage coupling transfer of soil body in karst area | |
| CN202649147U (en) | Device for testing field thermal response of underground geotechnical layered thermal properties | |
| CN103792255B (en) | Rock soil cold and hot response testing system | |
| CN103424424A (en) | Device for measuring suspended load sand content through specific heat capacity method in non-contact mode | |
| CN203768857U (en) | Model device for utilizing temperature field to acquire dam foundation permeating flow velocity | |
| Wu et al. | Experimental study of seawater seepage and heat transfer in a laboratory vertical beach well | |
| CN105784561B (en) | A kind of measuring device of multi-field coupling permeability for porous materials and its measurement method | |
| CN102288637B (en) | Single-hole heat exchange power processing method in ground source heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20161207 Termination date: 20170529 |