CN105931553A - Solar electro-osmosis model experimental device and application method - Google Patents
Solar electro-osmosis model experimental device and application method Download PDFInfo
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Abstract
The invention discloses a solar electro-osmosis model experimental device and an application method. By using the device disclosed by the invention, quantitative evaluation can be carried out on a soft soil reinforcing effect of a solar electro-osmosis technology on the one hand, and on the other hand, an experimental method for how to reasonably use a storage battery and how to reasonably select the solar panel power is provided. Meanwhile, the experimental device disclosed by the invention has the advantages of efficient utilization of solar energy, reliable data acquisition, simple structure, simple and convenient operation and the like.
Description
Technical field
The present invention relates to a kind of solar-electricity and ooze bath scaled model experimental device and using method, belong to electroosmosis technology field.
Background technology
According to investigation, China has substantial amounts of dredging silt to need to process every year, according to incompletely statistics, and China
Annual discarded dredging silt reaches 100,000,000 m and goes up according to this, and if properly handled, so that it may so that mud become give up into
Treasured, using relatively broad method now is that the foundation material utilizing dredging silt to build as coastal engineering comes
Source.
For soft clays such as dredging silts, general conventional foundation consolidating technology has preloading, strong rammer to put
Change method, vacuum method, deep mixing method and reinforcement local method etc..While obtaining certain good result,
These methods also expose many problems, as vacuum method is limited, to place to the raising of foundation bearing capacity
The construction requirement on reason border is higher；Draining concretion method rate-constrained, in the hydraulic conductivity of clay, exists sometimes
The soil that sticky content is high processes the used time longer, be the most even difficult to reach intended and reinforce purpose；Preloading is pre-
The subject matter of pressure is the limited source of heap carrier material and the foundation instability being likely to result in.Meanwhile, compared to
The soft clay of crude sedimentation, water content and the compressibility of dredging silt are high, and intensity is extremely low, and shows
Stronger deficient consolidation characteristics, these exclusive features result in the inapplicable of general reinforced soft soil ground technology.
Electro-osmosis method is a kind of traditional method for processing foundation, and its cardinal principle is under electric field action, in soil
Cation by viscid effect towing hydrone to cathode motion, this method is special by mud in engineering
The impact of different character, has that reinforcing speed is fast, has fine grained hypotonicity soil good consolidation effect etc. all
Many advantages, become the important measures in muddy foundation consolidation process.But, the most electricity of electro-osmosis method
Can be lost on the resistance in the soil body so that power consumption is very big, and CO2 emissions are high, cause this
Method can not actual on a large scale be applied, and currently rarely has about utilizing new forms of energy to reinforce to reduce to carry out electric osmose
Carbon emission and energy-conservation desk research and case history.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of solar-electricity and ooze bath scaled model experimental device and make
Use method.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of solar-electricity oozes bath scaled model experimental device, including solar power system, iontophoresis device case, graduated cylinder,
Some to electrode with some dip sticks；
Described iontophoresis device case includes that casing, the opening of described casing are stamped backflow lid, and described backflow covers and sets
Being equipped with some through holes, through hole number is consistent with the summation of dip stick, is provided with dividing plate in described casing, described
Box cavity is divided into left cavity and right cavity by dividing plate, is filled with experiment sample soil, every pair of electricity in described right cavity
Pole includes that negative electrode and positive electrode, described electrode are the electrode of hollow, and gap, institute are distributed on described electrode
Stating electrode bottom and embed test sample soil, and fix with box bottom, described electrode tip passes through wire and the sun
Can electricity generation system connect, described wire covers gap between casing by backflow draws, described left cavity with
Some apopores, the apopore in described right cavity floor and negative electrode number is all had on the base plate of right cavity
Unanimously, the apopore in described right cavity floor connects with negative electrode, and described apopore connects with graduated cylinder, institute
The end stating dip stick leans against experiment soil surface through through hole note.
Described solar power system includes that solar panel and console, described console include electric current electricity
Pressure recorder, rheostat, two-way switch and battery, the input of described Current Voltage recorder and the sun
Can connect by cell panel, the positive pole of the output of described Current Voltage recorder is connected with rheostat sliding end, institute
State rheostatic fixing end to be connected with the movable contact of two-way switch, a stationary contact of described two-way switch and storage
The positive pole of battery connects, and another stationary contact of described two-way switch is connected with electrode, bearing of described battery
Pole is connected with the negative pole of the output of Current Voltage recorder, and the both positive and negative polarity of described battery is also connected with electrode,
The negative pole of the output of described Current Voltage recorder is connected with electrode.
The left side of described casing is less than right edge.
The geotextiles of humidity it is coated with on the base plate of described casing.
Described electrode is positioned at the portion envelops of experiment sample soil moist geotextiles, and remainder is enclosed with absolutely
Edge set.
A kind of solar-electricity oozes the using method of bath scaled model experimental device, comprises the following steps,
Step 1, at the good solar panel of outdoor mounted, then in indoor according to each parts of described experimental provision
Annexation, connect parts；
Step 2 is by two-way switch to the stationary contact Guan Bi being connected with electrode, through N hour, little every n
Time read and record the numerical value of graduated cylinder and dip stick, N > n；
Step 3, according in step 2 record numerical value, simulate respectively displacement versus time curve and
Experiment sample soil settling height versus time curve, evaluates according to displacement and experiment sample soil settling height
Solar energy electric osmose effect, simultaneously according to the voltage value of record in Current Voltage recorder, simulates displacement
With the change curve of voltage, according to displacement with the change curve trend of voltage determine displacement suddenly increase flex point and
Suddenly drop flex point, and then determine the effective voltage of electric osmose；
Step 4, changes the experiment sample soil in iontophoresis device case, reads display in Current Voltage recorder in real time
Magnitude of voltage, when magnitude of voltage is less than effective voltage, two-way switch is to the stationary contact Guan Bi being connected with battery positive voltage,
Making battery storing electrical energy, the stationary contact that two-way switch is connected with electrode when magnitude of voltage is higher than effective voltage closes
Closing, the instantaneous electric energy directly utilizing solar energy conversion carries out electric osmose to experiment sample soil, waits solar electrical energy generation system
When system no longer generates electricity, the electric energy utilizing battery to be saved carries out secondary electric osmose, through N hour, little every n
Time read and record the numerical value of graduated cylinder and dip stick；
Step 5, according in step 4 record numerical value, simulate respectively displacement versus time curve and
Experiment sample soil settling height versus time curve, the most respectively with the displacement in step 3 the most in time
Change curve compares with experiment sample soil settling height versus time curve, and then evaluates use lead electric power storage
The pond quality to solar energy electric osmose effect, further determines that the reasonable employment method of lead accumulator；
Step 6, changes the experiment sample soil in iontophoresis device case, constant gradient standardsizing rheostat, utilizes rheostat to disappear
Consumption part electric energy, the calibration power making solar panel actually enter in iontophoresis device case is reduced to originally
(100-iS) %, i be integer, S can be divided exactly by 100, i=1,2 ..., 100/S；
Step 7, through N hour, reads and the numerical value of graduated cylinder under different capacity；
Step 8, simulates the displacement change curve with power, and calculates each point slope on change curve；
Step 9, the power that greatest gradient is corresponding is the power that unit power displacement is the highest.
In step 8, the computing formula of slope is,
K=V/P
Wherein, K is displacement with slope corresponding to difference on changed power curve, and V is under different capacity
Displacement, P is input power different in iontophoresis device case.
The beneficial effect that the present invention is reached: the present invention provides a kind of and can be used for solar energy electric osmose technical research
Indoor model test device and the method using this device, utilize this device on the one hand can be to solar energy electric osmose
The effect of technology reinforcing soft soil carries out quantitative evaluation, on the other hand provides one how reasonable employment electric power storage
Pond and the most rationally select the experimental technique of solar cell power output plate, this experimental provision has the sun simultaneously
Can efficiently utilize, data acquisition is reliable, apparatus structure is simple, the advantage such as easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is the structural representation of console.
Fig. 3 is iontophoresis device case front view.
Fig. 4 is iontophoresis device case side view.
Fig. 5 is iontophoresis device case top view.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.Following example are only used for clearly illustrating
Technical scheme, and can not limit the scope of the invention with this.
As it is shown in figure 1, a kind of solar-electricity oozes bath scaled model experimental device, including solar power system, electric osmose
Device case 3, graduated cylinder 4, some to electrode 6 with some dip sticks 5.
Solar power system includes solar panel 1 and console 2.
Solar panel 1 can use monocrystaline silicon solar cell, polysilicon solar cell, non-crystalline silicon
Solar cell, multi-element compounds solar cell, be fixed on open air by fixed support, the voltage of generation
6 40V too between, meet electric osmose required voltage.
As in figure 2 it is shown, console 2 include Current Voltage recorder 21, rheostat 22 (slide rheostat),
Two-way switch 23 and battery 24, the input of Current Voltage recorder 21 is connected with solar panel 1,
The positive pole of the output of Current Voltage recorder 21 is connected with rheostat 22 sliding end, fixing of rheostat 22
End is connected with the movable contact of two-way switch 23, a stationary contact of two-way switch 23 and the positive pole of battery 24
Connecting, another stationary contact of two-way switch 23 is connected with electrode 6, the negative pole of battery 24 and electric current electricity
The negative pole of the output of pressure recorder 21 connects, and the both positive and negative polarity of battery 24 is also connected with electrode 6, electric current
The negative pole of the output of voltage recorder 21 is connected with electrode 6.
Such as Fig. 3, shown in 4 and 5, iontophoresis device case 3 includes casing, and the left side of casing is less than right edge,
The opening of casing is stamped backflow lid 8, and backflow lid 8 is provided with some through holes 12, through hole 12 number and measurement
The summation of chi 5 is consistent, the base plate of casing is coated with the geotextiles of humidity, is provided with dividing plate 7 in casing, every
Box cavity is divided into left cavity and right cavity by plate 7, is filled with experiment sample soil 9, every pair of electrode 6 in right cavity
Including negative electrode and positive electrode, electrode 6 is the electrode 6 of hollow, and gap, electrode 6 end are distributed on electrode 6
End embeds test sample soil, and fixes with box bottom, and wire and solar power system are passed through in electrode 6 top
Connecting, wire is drawn by the gap between backflow lid 8 and casing, and electrode 6 is positioned at experiment sample soil 9
Portion envelops has the geotextiles of humidity, and remainder is enclosed with insulation sleeve, on the base plate of left cavity and right cavity
All having some apopores 11, the apopore 11 in right cavity floor is consistent with negative electrode number, at the bottom of right cavity
Apopore 11 on plate connects with negative electrode, and apopore 11 is connected with graduated cylinder 4 by conduit 10, graduated cylinder 4
Opening on be stamped film, the end of dip stick 5 through through hole 12 note lean against experiment soil surface.
A kind of solar-electricity oozes the using method of bath scaled model experimental device, comprises the following steps:
Step 1, at the good solar panel 1 of outdoor mounted, then in indoor according to each portion of described experimental provision
The annexation of part, connects a parts.
Step 2, by two-way switch 23 to the stationary contact Guan Bi being connected with electrode 6, through N hour, every
The numerical value reading and recording graduated cylinder 4 and dip stick 5 in n hour, N > n, here N=72, n=2.
Step 3, according in step 2 record numerical value, simulate respectively displacement versus time curve and
Experiment sample soil 9 settling height versus time curves, come according to displacement and experiment sample soil 9 settling heights
Evaluate solar energy electric osmose effect, simultaneously according to the voltage value of record in Current Voltage recorder 21, simulate
With the change curve trend of voltage, displacement, with the change curve of voltage, determines that displacement increases suddenly according to displacement
Flex point and suddenly drop flex point, and then determine the effective voltage of electric osmose.
Step 4, changes the experiment sample soil 9 in iontophoresis device case 3, reads Current Voltage recorder 21 in real time
The magnitude of voltage of middle display, when magnitude of voltage is less than effective voltage, two-way switch 23 is to battery 24 positive pole even
The stationary contact Guan Bi connect, makes battery 24 storing electrical energy, the two-way switch 23 when magnitude of voltage is higher than effective voltage
The stationary contact Guan Bi being connected with electrode 6, directly utilizes the instantaneous electric energy of solar energy conversion to experiment sample soil 9
Carry out electric osmose, when waiting solar power system no longer to generate electricity while thering is no the sun (evening or), utilize battery
24 electric energy saved carry out secondary electric osmose, through N hour, read and record graduated cylinder 4 every n hour and survey
The numerical value of gage 5.
Step 5, according in step 4 record numerical value, simulate respectively displacement versus time curve and
Experiment sample soil 9 settling height versus time curves, the most respectively with the displacement in step 3 the most in time
Change curve with experiment sample soil 9 settling height versus time curves compare, and then evaluate use lead
The battery 24 quality to solar energy electric osmose effect, further determines that the reasonable employment method of lead accumulator 24；
Step 6, changes the experiment sample soil 9 in iontophoresis device case 3, constant gradient standardsizing rheostat 22, utilizes and become
Resistance device 22 consumes part electric energy, makes solar panel 1 actually enter the standard merit in iontophoresis device case 3
It is integer that rate is reduced to original (100-iS) %, i, and S can be divided exactly by 100, i=1,2 ..., 100/S,
Here S value is 20.
Step 7, through N hour, reads and the numerical value of graduated cylinder 4 under different capacity；
Step 8, simulates the displacement change curve with power, and calculates each point slope on change curve；
Step 9, the power that greatest gradient is corresponding is the power that unit power displacement is the highest.
7, a kind of solar-electricity according to claim 6 oozes the using method of bath scaled model experimental device, and it is special
Levying and be: in step 8, the computing formula of slope is,
K=V/P
Wherein, K is displacement with slope corresponding to difference on changed power curve, and V is under different capacity
Displacement, P is input power different in iontophoresis device case 3.
Solar energy is converted to electric energy by photoelectric effect by said apparatus, regulates solar cell by console 2
The power of plate 1, is optimized the electric current of generation use, and carries out the Current Voltage of circuit output in real time
Record, solar panel 1 generates electricity provides electric energy to testing sample soil 9 (i.e. weak soil) in case to iontophoresis device case 3
Carry out electric osmose consolidation process, on the one hand according to dip stick 5 dropping distance in iontophoresis device case 3 and graduated cylinder 4
Solar energy electric osmose effect is evaluated by the total displacement of middle collection, on the other hand the storage in regulation console 2
Battery 24 and rheostat 22, determine the optimal using method of battery 24, and find out unit power draining
The solar panel 1 power standard scope that amount is maximum.
The present invention provides a kind of indoor model test device that can be used for solar energy electric osmose technical research and use to be somebody's turn to do
The method of device, utilizes this device on the one hand can carry out the effect of solar energy electroosmosis technology reinforcing soft soil fixed
On the other hand the evaluation of amount, provides one how reasonable employment battery 24 and the most rationally selects the sun
The experimental technique of energy cell panel 1 power, this experimental provision has solar energy highly effective utilization, data acquisition simultaneously
The advantage such as reliably, apparatus structure is simple, easy and simple to handle.
The above is only the preferred embodiment of the present invention, it is noted that common for the art
For technical staff, on the premise of without departing from the technology of the present invention principle, it is also possible to make some improvement and change
Shape, these improve and deformation also should be regarded as protection scope of the present invention.
Claims (7)
1. a solar-electricity oozes bath scaled model experimental device, it is characterised in that: include solar power system, electricity
Ooze device case, graduated cylinder, some to electrode with some dip sticks；
Described iontophoresis device case includes that casing, the opening of described casing are stamped backflow lid, and described backflow covers and sets
Being equipped with some through holes, through hole number is consistent with the summation of dip stick, is provided with dividing plate in described casing, described
Box cavity is divided into left cavity and right cavity by dividing plate, is filled with experiment sample soil, every pair of electricity in described right cavity
Pole includes that negative electrode and positive electrode, described electrode are the electrode of hollow, and gap, institute are distributed on described electrode
Stating electrode bottom and embed test sample soil, and fix with box bottom, described electrode tip passes through wire and the sun
Can electricity generation system connect, described wire covers gap between casing by backflow draws, described left cavity with
Some apopores, the apopore in described right cavity floor and negative electrode number is all had on the base plate of right cavity
Unanimously, the apopore in described right cavity floor connects with negative electrode, and described apopore connects with graduated cylinder, institute
The end stating dip stick leans against experiment soil surface through through hole note.
A kind of solar-electricity the most according to claim 1 oozes bath scaled model experimental device, it is characterised in that: institute
State solar power system and include that solar panel and console, described console include Current Voltage record
Instrument, rheostat, two-way switch and battery, the input of described Current Voltage recorder and solar cell
Plate connects, and the positive pole of the output of described Current Voltage recorder is connected with rheostat sliding end, described variable resistance
The fixing end of device is connected with the movable contact of two-way switch, a stationary contact of described two-way switch and battery
Positive pole connects, and another stationary contact of described two-way switch is connected with electrode, the negative pole of described battery and electricity
The negative pole of the output of stream voltage recorder connects, and the both positive and negative polarity of described battery is also connected with electrode, described
The negative pole of the output of Current Voltage recorder is connected with electrode.
A kind of solar-electricity the most according to claim 1 oozes bath scaled model experimental device, it is characterised in that: institute
State the left side of casing less than right edge.
A kind of solar-electricity the most according to claim 1 oozes bath scaled model experimental device, it is characterised in that: institute
State the geotextiles being coated with humidity on the base plate of casing.
A kind of solar-electricity the most according to claim 1 oozes bath scaled model experimental device, it is characterised in that: institute
State electrode be positioned at experiment sample soil portion envelops have humidity geotextiles, remainder is enclosed with insulation sleeve.
6. ooze the using method of bath scaled model experimental device based on a kind of solar-electricity described in claim 2, it is special
Levy and be: comprise the following steps,
Step 1, at the good solar panel of outdoor mounted, then in indoor according to each parts of described experimental provision
Annexation, connect parts；
Step 2 is by two-way switch to the stationary contact Guan Bi being connected with electrode, through N hour, little every n
Time read and record the numerical value of graduated cylinder and dip stick, N > n；
Step 3, according in step 2 record numerical value, simulate respectively displacement versus time curve and
Experiment sample soil settling height versus time curve, evaluates according to displacement and experiment sample soil settling height
Solar energy electric osmose effect, simultaneously according to the voltage value of record in Current Voltage recorder, simulates displacement
With the change curve of voltage, according to displacement with the change curve trend of voltage determine displacement suddenly increase flex point and
Suddenly drop flex point, and then determine the effective voltage of electric osmose；
Step 4, changes the experiment sample soil in iontophoresis device case, reads display in Current Voltage recorder in real time
Magnitude of voltage, when magnitude of voltage is less than effective voltage, two-way switch is to the stationary contact Guan Bi being connected with battery positive voltage,
Making battery storing electrical energy, the stationary contact that two-way switch is connected with electrode when magnitude of voltage is higher than effective voltage closes
Closing, the instantaneous electric energy directly utilizing solar energy conversion carries out electric osmose to experiment sample soil, waits solar electrical energy generation system
When system no longer generates electricity, the electric energy utilizing battery to be saved carries out secondary electric osmose, through N hour, little every n
Time read and record the numerical value of graduated cylinder and dip stick；
Step 5, according in step 4 record numerical value, simulate respectively displacement versus time curve and
Experiment sample soil settling height versus time curve, the most respectively with the displacement in step 3 the most in time
Change curve compares with experiment sample soil settling height versus time curve, and then evaluates use lead electric power storage
The pond quality to solar energy electric osmose effect, further determines that the reasonable employment method of lead accumulator；
Step 6, changes the experiment sample soil in iontophoresis device case, constant gradient standardsizing rheostat, utilizes rheostat to disappear
Consumption part electric energy, the calibration power making solar panel actually enter in iontophoresis device case is reduced to originally
(100-iS) %, i be integer, S can be divided exactly by 100, i=1,2 ..., 100/S；
Step 7, through N hour, reads and the numerical value of graduated cylinder under different capacity；
Step 8, simulates the displacement change curve with power, and calculates each point slope on change curve；
Step 9, the power that greatest gradient is corresponding is the power that unit power displacement is the highest.
A kind of solar-electricity the most according to claim 6 oozes the using method of bath scaled model experimental device, and it is special
Levying and be: in step 8, the computing formula of slope is,
K=V/P
Wherein, K is displacement with slope corresponding to difference on changed power curve, and V is under different capacity
Displacement, P is input power different in iontophoresis device case.
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| CN101144276A (en) * | 2007-07-05 | 2008-03-19 | 中国科学院武汉岩土力学研究所 | Testing device for reinforcing soft soil model by electrochemical piling method |
| CN102565139A (en) * | 2012-01-11 | 2012-07-11 | 清华大学 | Indoor vacuum electro-osmosis combined solidification tester |
| CN202434091U (en) * | 2012-01-30 | 2012-09-12 | 河海大学 | Soil body compression and solidification demonstrator |
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| CN203795412U (en) * | 2014-04-11 | 2014-08-27 | 清华大学 | Solar electro-osmotic consolidation device for soft soil foundation |
| CN206058741U (en) * | 2016-07-07 | 2017-03-29 | 河海大学 | A kind of solar-electricity oozes bath scaled model experimental device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101144276A (en) * | 2007-07-05 | 2008-03-19 | 中国科学院武汉岩土力学研究所 | Testing device for reinforcing soft soil model by electrochemical piling method |
| CN102565139A (en) * | 2012-01-11 | 2012-07-11 | 清华大学 | Indoor vacuum electro-osmosis combined solidification tester |
| CN202434091U (en) * | 2012-01-30 | 2012-09-12 | 河海大学 | Soil body compression and solidification demonstrator |
| CN103193304A (en) * | 2013-03-27 | 2013-07-10 | 中国海洋大学 | Solar photovoltaic power generation water treatment device |
| CN203795412U (en) * | 2014-04-11 | 2014-08-27 | 清华大学 | Solar electro-osmotic consolidation device for soft soil foundation |
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