CN109490164A - A kind of electrochemistry drives the test device of water transport shifting in coal petrography - Google Patents
A kind of electrochemistry drives the test device of water transport shifting in coal petrography Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 109
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- 239000003245 coal Substances 0.000 title claims abstract description 59
- 230000005518 electrochemistry Effects 0.000 title claims abstract description 28
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 239000003792 electrolyte Substances 0.000 claims abstract description 40
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 39
- 239000000523 sample Substances 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
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- 230000005611 electricity Effects 0.000 claims description 7
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- 239000002253 acid Substances 0.000 claims description 4
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- 229910052802 copper Inorganic materials 0.000 claims description 4
- 238000003487 electrochemical reaction Methods 0.000 claims description 4
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- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 238000010998 test method Methods 0.000 claims description 2
- 238000005370 electroosmosis Methods 0.000 abstract description 10
- 238000005728 strengthening Methods 0.000 abstract description 3
- 238000009533 lab test Methods 0.000 abstract 1
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- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 208000034158 bleeding Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
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Abstract
A kind of electrochemistry drives the test device of water transport shifting in coal petrography, the test device is by electrolytic cell, porous electrode plate, test block room, electrolyte system and DC power supply, wherein there are cathode and anode inlets for the electrolytic cell lower outside, there are cathode and anode liquid outlet, test block room tops to be provided with test probe for upper outside；The electrolyte system includes cathode and anode electrolyte reservoir chamber and cathode and anode peristaltic pump；It further include cathode and anode liquid collecting graduated cylinder, this test device can determine the direction and flow that the water transport of coal petrography driven by electroosmosis moves under different electrochemical parameters, the laboratory test that water transport moves in coal bed gas recovery process is improved for electrochemically strengthening coal-bed flooding and electrochemistry, and experimental rig is provided, the present apparatus is economical and practical, easy to operate, has wide applicability.
Description
Technical field
The present invention relates to the devices that water transport in a kind of electrochemistry driving coal petrography moves, and belong to electrochemically strengthening coal mine gas drainage
Strengthen coal petrography drainage by electroosmosis, mesh with the scope of coal-bed flooding, in particular under applying direct current electric field and electrolyte collective effect
Be the bleeding stage accelerated during coal mine gas drainage, gas drainage efficiency is improved with this.
Background technique
With the increase of China's coal-mine mining depth and the increasing of mining rate, Gas Disaster is got worse, mine gas
As restrict the safe and efficient production of China's coal-mine most important factor, from coal mining accident statistical result in recent years as it can be seen that coal with watt
This protrudes, gas combustion and explosion, gas poisoning and asphyxia etc. and the number of casualties of gas related accidents occupy the first；Another party
Face, a large amount of coal mine gas discharge outward, cause the serious pollution to atmosphere and the huge waste of high-quality cleaning resource, accelerate
Coal mine methane drainage and utilization project is to promote Development of Colliery Safety, Clean Development, the inevitable requirement for saving development.
It is big that the method for existing domestic and international common reinforcing coal mine gas drainage can be summarized as destressing method, additional physical field method two
Class: destressing method mainly include intensive boring method, waterpower method (hydraulic flushing in hole, hydraulic slotted liner technique, hydraulic fracturing and acid fracturing),
Blast cracking method builds multiple hole horizontal well and Mining Protective Seam method etc.；Additional physical field mainly includes that water filling/gas drive is replaced, infused
Hot heating, electric field, electromagnetic field, ultrasonic activation and electric pulse etc..But these methods frequently encounter in engineering practice water-sensitive,
Remaining fracturing fluid and water cannot be oriented, be rapidly discharged by the problems such as water is locked, so that the whole efficiency of gas drainage is influenced,
Carrying out electric osmose expelling water to coal seam using electrochemical method is a kind of new approaches efficiently drained, based on electroosmotic flow for aperture not
Sensibility, electroosmotic flow be uniformly distributed and the controllability in electroosmotic flow direction, electrochemical method can be successfully applied to coal and ground
In equal porous medias, drive the migration of water in coal petrography that can effectively solve the problems, such as this by electrochemical method.
Electrochemical method can be successfully applied in the porous medias such as coal and ground, main reason is that electroosmotic flow is for hole
The insensitivity of diameter, electroosmotic flow be uniformly distributed and the controllability in electroosmotic flow direction, furthermore electroosmosis can drive in crack
Solution do directed flow and carry gas migration, have the function of improving coal Gas Permeability, effect is fairly obvious.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide the test that water transport moves in a kind of electrochemistry driving coal petrography
Device acts on the electric osmose expelling water of lower coal petrography for testing different pH value electrolyte, electric potential gradient and electrode material, obtains different electricity
Coal petrography electric osmose expelling water amount under electrochemical conditions obtains electrolyte, electric potential gradient and electrode by comparing the difference of electric osmose expelling water amount
The electric osmose expelling water difference of coal petrography under material effects strengthens gas drainage warp to waterpower method to interpret electrochemistry electric osmose expelling water
The inhibiting effect for the problems such as being commonly encountered water-sensitive, water lock provides the examination on basis for the engineering practice of coal measures composite reservoir gas drainage
Data are tested, and experimental rig structure is simple and convenient to operate, it can be with the test electric osmose expelling water amount of accurate quick.
Realize that technical purpose of the invention is achieved through the following technical solutions.
The test device that water transport moves in a kind of electrochemistry driving coal petrography, including electrolytic cell, porous electrode plate, test block room,
Electrolyte system and DC power supply；It is characterized by:
The electrolytic cell is cylindrical type sealed electrolytic cell, is provided with test block room, upper part is provided with test probe, it is left
Offer anode liquid outlet on the outside of right end and cathode liquid outlet, its underpart or so end outside offer anode inlet and cathode into
Liquid mouth, its bottom face are horizontally placed on pedestal；
The porous electrode plate includes anodic porous electrode plate and cathode porous electrode plate, and respectively by anode snap ring and cathode card
Ring is fixed in electrolytic cell；
The test block room is located at electrolytic cell middle position, wherein being equipped with coal or rock test block, anode is close at test block both ends
Porous electrode plate and cathode porous electrode plate, electrode plate have been connected to DC power supply by conducting wire, and test block room top is provided with
The variation of temperature and potential during test probe real-time monitoring electrochemical action；
The electrolyte system is anolyte reservoir chamber and catholyte reservoir chamber passes through anode peristaltic pump and yin respectively
Pole peristaltic pump is connected to electrolytic cell by anode inlet and cathode inlet respectively, and is gone out respectively by anode liquid outlet with cathode
Liquid mouth is connected to anode liquid collecting graduated cylinder and cathode liquid collecting graduated cylinder；Wherein, anode peristaltic pump is identical as cathode wriggling revolution speed；Anode
The gas that liquid outlet and cathode liquid outlet discharge electrochemical reaction process Anodic and cathode generate；DC power supply is connected by conducting wire
Connect ammeter and anodic porous electrode plate and cathode porous electrode plate.
Further technical solution is as follows:
A kind of electrochemistry drives the test device of water transport shifting in coal petrography, it is characterised in that: the DC power supply is DH1722A-2 straight
Current regulator power supply is flowed, output DC voltage is 0-110V, and output DC current is 0-3A, and continuously adjustable.
A kind of electrochemistry drives the test device of water transport shifting in coal petrography, it is characterised in that: the anolyte reservoir chamber
It is the electrolyte of the pH value 1.0-14.0 of sulfuric acid and sodium hydroxide solution allotment, mould with the electrolyte in catholyte reservoir chamber
Quasi- full water degree of the coal petrography under different acid or alkali environments.
A kind of electrochemistry drives the test device of water transport shifting in coal petrography, it is characterised in that: the anode peristaltic pump and cathode
Peristaltic pump is BT100-2J peristaltic pump, and range of speeds 0.1-100rpm, operating ambient temperature is 0-40 DEG C.
A kind of electrochemistry drives the test device of water transport shifting in coal petrography, it is characterised in that: the electrode of the porous electrode plate
Material is one of iron, copper, aluminium and graphite.
A kind of electrochemistry drives the test device of water transport shifting in coal petrography, it is characterised in that: the setting of test block room top
The quantity for having test probe is 3-5.
A kind of electrochemistry drives the test device of water transport shifting in coal petrography, it is characterised in that: places test specimen in the test block room
Specification is φ 50mm × 100mm standard specimen.
The test device that water transport moves in electrochemistry driving coal petrography as described in claim 1, it is characterised in that: the test
The test method of device is that collected coal sample or rock sample are made to standard specimen, and both ends polishing is smooth, then after test specimen is dried
Saturation water process is carried out, is subsequently placed in test block room, by anode snap ring and cathode snap ring by anodic porous electrode plate and yin
Pole porous electrode plate is tightly attached to test block both ends；Open anode peristaltic pump and cathode peristaltic pump, and by anode peristaltic pump and cathode
Peristaltic pump is set as same rotational speed, makes anolyte and catholyte while entering electrolytic cell, and keeps electricity in electrolytic cell
Solution liquid is to fill state；DC power supply is connected, electrolytic cell electrolyte inside is migrated, by testing probe real-time monitoring test block
Room temperature and potential change, electrolyte flow out to anode liquid collecting graduated cylinder and cathode by anode liquid outlet and cathode liquid outlet respectively
Liquid collecting graduated cylinder, after stable reaction, calculating graduated cylinder difference of reading value is electric osmose expelling water amount.
The test device that water transport moves in a kind of driving coal petrography of electrochemistry provided by the present invention is above-mentioned, with prior art phase
Than the present apparatus can be driven in varied situations by the electrolyte of the different pH value of replacement, electric potential gradient, electrode material to simulate coal petrography
Aqueous condition, so that it is determined that the direction of coal petrography driven by electroosmosis water transport shifting and flow under different electrochemical parameters, and for specific electricity
The engineering practice that water transport moves in chemistry driving coal petrography provides required technological parameter, to make electrochemically strengthening gas drainage process
Popularization and application are possibly realized, the configuration of the present invention is simple, easy to operate, can carry out the electric osmose expelling water test of accurate quick, have wide
General applicability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of this test device.
Fig. 2 is the electro bath-lid structural schematic diagram of this test device.
Fig. 3 is the porous electrode plate structural schematic diagram of this test device.
In figure: 1: anolyte reservoir chamber；2: anode liquid collecting graduated cylinder；3: DC power supply；4: ammeter；5: cathode liquid collecting
Graduated cylinder；6: catholyte reservoir chamber；7: anode liquid outlet；8: test probe；9: electrolytic cell；10: cathode liquid outlet；11: sun
Pole peristaltic pump；12: electro bath-lid: 13: anode inlet；14: anode electrode plate snap ring；15: anodic porous electrode plate；16: water
Flat bed；17: test block room；18: cathode porous electrode plate；19: cathode electrode plate snap ring；20: cathode inlet；21: cathode
Peristaltic pump；22: rubber washer.
Specific embodiment
A specific embodiment of the invention is further illustrated below.
Specific embodiment 1
As described in Fig. 1, implement the present invention it is above-mentioned provided by water transport moves in a kind of electrochemistry driving coal petrography test device, should
Test device includes electrolytic cell, porous electrode plate, test block room, electrolyte system and DC power supply；Its composition is by electrolytic cell 9
Structure be designed as cylindrical type hermetic electrolyte slot structure, and 3-5 is set on 17 top of test block room of cylindrical type sealed electrolytic cell 9
Bit test probe 8；Anode liquid outlet 7 and cathode liquid outlet 10 are offered on the outside of the left and right end of cylindrical type sealed electrolytic cell 9, under
Portion or so, outside, end offers anode inlet 13 and cathode inlet 20, and the bottom face of cylindrical type sealed electrolytic cell 9 is placed in water
It is fixed on flat bed 16.
The porous electrode plate of this test device be include anodic porous electrode plate 15 and cathode porous electrode plate 18, and respectively
It is fixed in electrolytic cell 9 by anode snap ring 14 and cathode snap ring 19.
The test block room 17 of this test device is located in electrolytic cell 9, wherein being equipped with coal or rock test block, test block both ends
It should be close to anodic porous electrode plate 15 and cathode porous electrode plate 18, electrode plate is connected directly to DC power supply 3 by conducting wire,
17 top of test block room is provided with 3-5 bit test probe 8, the change for temperature and potential during real-time monitoring electrochemical action
Change.
The electrolyte system of this test device is that anolyte reservoir chamber 1 passes through respectively with catholyte reservoir chamber 6
Anode peristaltic pump 11 and cathode peristaltic pump 21 are connected to the electrolysis of electrolytic cell 9 by anode inlet 13 and cathode inlet 20 respectively
Liquid chamber, and anode liquid collecting graduated cylinder 2 and cathode liquid collecting graduated cylinder 5 are connected to by anode liquid outlet 7 and cathode liquid outlet 10 respectively.
The DC power supply 3 of this test device is to be connected to anodic porous electrode plate 15 and cathode again by conducting wire connection ammeter 4
Porous electrode plate 18 realizes the test that water transport moves in electrochemistry driving coal petrography.
Implement above-mentioned technical proposal, the DC power supply 3 of use is DH1722A-2 DC current regulator power supply, exports direct current
Voltage is 0-110V, and output DC current is 0-3A, and continuously adjustable.
Implement above-mentioned technical proposal, the electrolyte in anolyte reservoir chamber 1 and catholyte reservoir chamber 6 is sulfuric acid
It is the full water journey for simulating coal petrography under different acid or alkali environments with the electrolyte of the pH value 1.0-14.0 of sodium hydroxide solution allotment
Degree.
Implement above-mentioned technical proposal, anode peristaltic pump 11 and cathode peristaltic pump 21 are to use BT100-2J peristaltic pump, turn
Fast range is 0.1-100rpm, and operating ambient temperature is 0-40 DEG C.
Implement above-mentioned technical proposal, the electrode material of porous electrode plate is using one of iron, copper, aluminium and graphite.
Specific embodiment 2
As described in Fig. 1, implement the present invention it is above-mentioned provided by water transport moves in a kind of electrochemistry driving coal petrography test device, should
Test device includes electrolytic cell, porous electrode plate, test block room, electrolyte system and DC power supply；Its composition is: test block
Standard specimen made by coal sample to be measured or rock sample is placed in room 17, by anode snap ring 14 and cathode snap ring 19 by anodic porous
Electrode plate 15 and cathode porous electrode plate 18 are tightly attached to test block both ends；Cathode and anode electrolyte reservoir chamber 6,1 and cathode and anode are compacted
It is connected between dynamic pump 21,11 and electrolytic cell cathode and anode inlet 20,13 by hose；It opens anode peristaltic pump 11 and cathode is compacted
Dynamic pump 21, and same rotational speed, anolyte reservoir chamber 1 and cathode electricity are set by anode peristaltic pump 11 and cathode peristaltic pump 21
The electrolyte solved in liquid reservoir chamber 6 enters electrolytic cell 9 from anode inlet 13 and cathode inlet 20 respectively through hose simultaneously, and
Keeping 9 electrolyte inside of electrolytic cell is to fill state；DC power supply 3 is connected, 9 electrolyte inside of electrolytic cell is transported because of electrochemical reaction
It moves, electrolyte flows out to anode liquid collecting graduated cylinder 2 and cathode liquid collecting from anode liquid outlet 7 and cathode liquid outlet 10 by hose respectively
Graduated cylinder 5 calculates anode collection after stable reaction by temperature and potential change in test 8 real-time monitoring test block room 17 of probe
It is electric osmose expelling water amount that liquid measure cylinder 2 and cathode liquid collecting graduated cylinder 5, which read difference, realizes that a kind of electrochemistry drives the standard that water transport moves in coal petrography
Really test.
Specimen size is placed as φ 50mm × 100mm standard specimen in the test block room 17 used, and test specimen two ends polishing is smooth,
And test specimen need to dry after carry out saturated water processing.
The hose used is the silica gel hose of acid-alkali-corrosive-resisting.
Anode liquid outlet 7 and cathode liquid outlet 10 are simultaneously for gas produced by electrochemical reaction process Anodic and cathode
Discharge.
Anode peristaltic pump 11 and cathode peristaltic pump 21 should be set as same rotational speed after starting test, and during the test
It is to fill state that moment, which keeps 9 electrolyte inside of electrolytic cell,.
Added with rubber washer 22 at electro bath-lid 12, to guarantee that electrolytic cell 9 is completely closed.
Above-mentioned implementing device is used to drive the implementation method that water transport moves in coal petrography as follows:
(1) φ 50mm × 100mm standard specimen is made in collected coal sample or rock sample, both ends polishing is smooth, and test specimen is dried
Saturated water processing is carried out afterwards, then is placed in test block room, it is by snap ring that anodic porous electrode plate and cathode porous electrode plate is tight
It is affixed on test specimen two sides；
(2) anode peristaltic pump and cathode peristaltic pump are opened, and sets same rotational speed for anode peristaltic pump and cathode peristaltic pump, is made
Anolyte and catholyte enter electrolytic cell, and it is to fill state that the moment, which keeps electrolytic cell electrolyte inside,；
(3) power on, electrolytic cell electrolyte inside is migrated, and is become by probe real-time monitoring test block room temperature and potential
Change, electrolyte flows out to anode liquid collecting graduated cylinder and cathode liquid collecting graduated cylinder by anode liquid outlet and cathode liquid outlet respectively, wait react
After stabilization, calculating graduated cylinder difference of reading value is electric osmose expelling water amount.
The specific example for implementing above-mentioned apparatus is as follows.
Embodiment 1
It takes stone coal sample to be processed as φ 50mm × 100mm test specimen to put it into after being dried at 105 DEG C by hydrogen-oxygen
It is saturated in the electrolyte that the pH for changing sodium solution modulation is 12, is subsequently placed in test block room 17；The made anode of graphite is more
Pore electrod plate 15 and cathode porous electrode plate 1 are fixed on anthracite test specimen two sides by anode snap ring 14 and cathode snap ring 19 respectively；
Anode peristaltic pump 11 and cathode peristaltic pump 21 are opened, and it is 10rpm that same rotational speed, which is arranged, makes to fill electrolyte in electrolytic cell 9；If
It sets after voltage is 40V and connects DC power supply 3, potential, temperature at 4 registration of 0.5h recording ammeter and different test probes 8
Angle value reads in anode liquid collecting graduated cylinder 2 and cathode liquid collecting graduated cylinder 5 after stable reaction and flows out electrolyte content, calculating difference obtains
Electric osmose expelling water amount.
Embodiment 2
It takes block sandstone rock sample to be processed as φ 50mm × 100mm test specimen to put it into after being dried at 105 DEG C by sulfuric acid
It is saturated in the electrolyte that the pH of solution modulation is 3, is subsequently placed in test block room 17；By the anodic porous electrode plate that copper is made
15 and cathode porous electrode plate 1 sandstone test specimen two sides are fixed on by anode snap ring 14 and cathode snap ring 19 respectively；It is compacted to open anode
Dynamic pump 11 and cathode peristaltic pump 21, and it is 10rpm that same rotational speed, which is arranged, makes to fill electrolyte in electrolytic cell 9；Voltage, which is arranged, is
DC power supply 3 is connected after 20V, potential, temperature value at 4 registration of 0.5h recording ammeter and different test probes 8, to anti-
After should stablizing, reads in anode liquid collecting graduated cylinder 2 and cathode liquid collecting graduated cylinder 5 and flow out electrolyte content, calculating difference obtains electric osmose expelling water
Amount.
Claims (8)
1. the test device that water transport moves in a kind of electrochemistry driving coal petrography, including electrolytic cell, porous electrode plate, test block room, electricity
Solve liquid system and DC power supply；It is characterized by:
The electrolytic cell (9) is cylindrical type sealed electrolytic cell, is provided with test block room (17), upper part is provided with test and visits
Anode liquid outlet (7) is offered on the outside of needle (8), its left and right end and cathode liquid outlet (10), its underpart or so end outside offer
Anode inlet (13) and cathode inlet (20), its bottom face are horizontally placed on pedestal (16)；
The porous electrode plate includes anodic porous electrode plate (15) and cathode porous electrode plate (18), and respectively by anode snap ring
(14) it is fixed in electrolytic cell (9) with cathode snap ring (19)；
The test block room (17) is located at electrolytic cell (9) middle position, wherein being equipped with coal or rock test block, test block both ends are tight
Patch anodic porous electrode plate (15) and cathode porous electrode plate (18), electrode plate have been connected to DC power supply (3) by conducting wire, are surveyed
Test specimen room (17) top is provided with the variation of temperature and potential during test probe (8) real-time monitoring electrochemical action；
The electrolyte system is that anolyte reservoir chamber (1) and catholyte reservoir chamber (6) is wriggled by anode respectively
Pump (11) and cathode peristaltic pump (21) are connected to electrolytic cell (9) by anode inlet (13) and cathode inlet (20) respectively, and
Anode liquid collecting graduated cylinder (2) and cathode liquid collecting graduated cylinder (5) are connected to by anode liquid outlet (7) and cathode liquid outlet (10) respectively；
Wherein, anode peristaltic pump (11) is identical as cathode peristaltic pump (21) revolving speed；Anode liquid outlet (7) and cathode liquid outlet (10) are discharged
The gas that electrochemical reaction process Anodic and cathode generate；DC power supply (3) is more by conducting wire connection ammeter (4) and anode
Pore electrod plate (15) and cathode porous electrode plate (18).
2. the test device that water transport moves in electrochemistry driving coal petrography as described in claim 1, it is characterised in that: the direct current
Source (3) is DH1722A-2 DC current regulator power supply, and output DC voltage is 0-110V, and output DC current is 0-3A, and even
Continue adjustable.
3. the test device that water transport moves in electrochemistry driving coal petrography as described in claim 1, it is characterised in that: the anode electricity
Electrolyte in solution liquid reservoir chamber (1) and catholyte reservoir chamber (6) is the pH value of sulfuric acid and sodium hydroxide solution allotment
The electrolyte of 1.0-14.0 simulates full water degree of the coal petrography under different acid or alkali environments.
4. the test device that water transport moves in electrochemistry driving coal petrography as described in claim 1, it is characterised in that: the anode is compacted
Dynamic pump (11) and cathode peristaltic pump (21) are BT100-2J peristaltic pumps, range of speeds 0.1-100rpm, and operating ambient temperature is
0-40℃。
5. the test device that water transport moves in electrochemistry driving coal petrography as described in claim 1, it is characterised in that: the porous electricity
The electrode material of pole plate is one of iron, copper, aluminium and graphite.
6. the test device that water transport moves in electrochemistry driving coal petrography as described in claim 1, it is characterised in that: the test block
The quantity that room (17) top is provided with test probe (8) is 3-5.
7. the test device that water transport moves in electrochemistry driving coal petrography as described in claim 1, it is characterised in that: the test block
It is φ 50mm × 100mm standard specimen that specimen size is placed in room (17).
8. the test device that water transport moves in electrochemistry driving coal petrography as described in claim 1, it is characterised in that: the test dress
The test method set is that collected coal sample or rock sample are made to standard specimen, and both ends polishing is smooth, then test specimen is dried laggard
Row saturation water process, is subsequently placed in test block room (17), by anode snap ring (14) and cathode snap ring (19) by anodic porous
Electrode plate (15) and cathode porous electrode plate (18) are tightly attached to test block both ends；Open anode peristaltic pump (11) and cathode peristaltic pump
(21), it and by anode peristaltic pump (11) and cathode peristaltic pump (21) is set as same rotational speed, makes anolyte and catholyte
Liquid enters electrolytic cell (9) simultaneously, and keeping electrolytic cell (9) electrolyte inside is to fill state；It connects DC power supply (3), electrolytic cell
(9) electrolyte inside is migrated, by test probe (8) real-time monitoring test block room temperature and potential change, electrolyte by
Anode liquid outlet (7) and cathode liquid outlet (10) flow out to anode liquid collecting graduated cylinder (2) and cathode liquid collecting graduated cylinder (5) respectively, to anti-
After should stablizing, calculating graduated cylinder difference of reading value is electric osmose expelling water amount.
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