CN106153520A - Original state clay ultrafiltration assay device - Google Patents
Original state clay ultrafiltration assay device Download PDFInfo
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- CN106153520A CN106153520A CN201610652799.1A CN201610652799A CN106153520A CN 106153520 A CN106153520 A CN 106153520A CN 201610652799 A CN201610652799 A CN 201610652799A CN 106153520 A CN106153520 A CN 106153520A
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- Prior art keywords
- ultrafiltration
- pipe
- confined pressure
- pressure
- hydraulic
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- 238000000108 ultra-filtration Methods 0.000 title claims abstract description 44
- 239000004927 clay Substances 0.000 title claims abstract description 19
- 238000003556 assay Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 52
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 31
- 239000010703 silicon Substances 0.000 claims abstract description 31
- 230000005484 gravity Effects 0.000 claims abstract description 22
- 230000037361 pathway Effects 0.000 claims abstract description 22
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 239000002689 soil Substances 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 8
- 210000000416 exudates and transudate Anatomy 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000009715 pressure infiltration Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052900 illite Inorganic materials 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- VGIBGUSAECPPNB-UHFFFAOYSA-L nonaaluminum;magnesium;tripotassium;1,3-dioxido-2,4,5-trioxa-1,3-disilabicyclo[1.1.1]pentane;iron(2+);oxygen(2-);fluoride;hydroxide Chemical compound [OH-].[O-2].[O-2].[O-2].[O-2].[O-2].[F-].[Mg+2].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[Al+3].[K+].[K+].[K+].[Fe+2].O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2.O1[Si]2([O-])O[Si]1([O-])O2 VGIBGUSAECPPNB-UHFFFAOYSA-L 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010850 salt effect Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- 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
- G01N15/082—Investigating permeability by forcing a fluid through a sample
-
- 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
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Sampling And Sample Adjustment (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of original state clay ultrafiltration assay device, including ultrafiltration tester, manual pressure device and from gravity pressue device；It is provided with lateral sample tap on described ultrafiltration tester, at lateral sample tap, screwed pipe is installed, being provided with the hickey suitable with screwed pipe on sidewall and flexible silicon gum cover pipe, on flexible silicon gum cover pipe, the position of corresponding lateral sample tap is provided with flexible filter screen；Described manual pressure device includes reserving liquid tank, is provided with the pumped well structure extruded by the liquid hand stored in reserving liquid tank, is provided above liquid injection port in one end of reserving liquid tank on reserving liquid tank；Described including hydraulic cavities from gravity pressue device, be internally provided with pilot post in hydraulic cavities, the top of pilot post is connected with bearing plate；The liquid outlet of pumped well structure passes through hydraulic connecting pipe and hydraulic chamber into communication, and hydraulic cavities is connected with feed pathway or confined pressure hole by voltage stabilizing outlet tube.Stress control of the present invention is more stable, accurate, reduces the test error of process of the test.
Description
Technical field
The present invention relates to a kind of for original state clay is permeated with filter salt ability carry out laboratory test ultrafiltration test
Device.
Background technology
The material that mainly comprises of aquiclude is cohesive soil, and soil CLAY MINERALS AND THEIR SIGNIFICANCE with montmorillonite, illite, kaolinite is
Main.In order to verify the filter salt effect of aquiclude, need to carry out high pressure infiltration experiment.Existing penetration testing equipment is mainly darcy
Tester, but darcy tester is only applicable to low pressure or minute-pressure.Common high pressure permeability equipment such as three the most popular axial compressions
Although power meter can survey high pressure, but is only applicable to the solid rock of consolidation, it is not particularly suited for viscosity soil sample.
Filed in 8 days Mays in 2015 of applicant, the Chinese invention patent of Application No. 201510229210.2 discloses
A kind of false three axle high pressure infiltration experiment instrument, its sealing using the method adding confined pressure extruding flexible wall to solve soil sample perisporium is asked
Topic, can be used for infiltration and the filter salt aptitude tests of cohesive undisturbed soil sample.But applicant finds during follow-up test, adding axle
During pressure and confined pressure, can there is the problem of pressure transient in the force (forcing) pump that compatibility test instrument uses, cause there is bigger test
Error.And, these false three axle high pressure infiltration experiment instrument are only capable of at outlet at bottom sampling, and sample point is less, it is impossible to enough to oozing out
Liquid variation of water in clay is analyzed.
Summary of the invention
Based on above-mentioned technical problem, the present invention provides a kind of original state clay ultrafiltration assay device.
The adopted technical solution is that:
A kind of original state clay ultrafiltration assay device, including ultrafiltration tester, manual pressure device and from gravity pressue device；
Described ultrafiltration tester includes outer top cover, outer base and connects outer top cover and the sidewall of outer base, outer top cover, outer base and
Sidewall surrounds closed cavity, be provided with in closed cavity internal head cover, interior base, for being coated with the flexible silicon gum cover of undisturbed soil sample
Pipe and perforated casing, described internal head cover is arranged on below outer top cover, is provided with the feed liquor connected and leads in internal head cover and outer top cover
Road, feed pathway external axial compression Pressure gauge, described interior base is arranged on above outer base, is provided with exhalant canal, outward in interior base
The water storage cavity connected with exhalant canal and the bottom sample tap being in communication with the outside by water storage cavity it is provided with in base, internal head cover, interior
Base becomes undisturbed soil sample permeation chamber with flexible silicon gum cover circumference of cannon bone, and perforated casing is enclosed within the outside of flexible silicon gum cover pipe, is having borehole jack
Forming confined pressure chamber between pipe and flexible silicon gum cover pipe, offer the confined pressure hole in connection confined pressure chamber on sidewall, confined pressure hole is external encloses
Pressure pressure table, is provided with lateral sample tap in the corresponding position of sidewall, perforated casing and flexible silicon gum cover pipe, in lateral sampling
Screwed pipe is installed at Kou, sidewall and flexible silicon gum cover pipe are provided with the hickey suitable with screwed pipe, at flexible silica gel
On sleeve pipe, the position of corresponding lateral sample tap is provided with flexible filter screen；Described manual pressure device includes reserving liquid tank, at liquid storage
It is provided with the pumped well structure extruded by the liquid hand stored in reserving liquid tank on case, is provided above note in one end of reserving liquid tank
Liquid mouth；Described include base, top board and bearing plate from gravity pressue device, between base and top board, be provided with support column, institute
State bearing plate sheathed on the support columns, and can move up and down along support column, bearing plate is placed with and joins pressing plate, base sets
Being equipped with hydraulic cavities, be internally provided with pilot post in hydraulic cavities, pilot post is connected with bearing plate；The liquid outlet of pumped well structure leads to
Crossing hydraulic connecting pipe and hydraulic chamber into communication, hydraulic cavities is connected with feed pathway or confined pressure hole by voltage stabilizing outlet tube, at hydraulic pressure even
It is provided with check valve in adapter and voltage stabilizing outlet tube.
Preferably, described lateral sample tap arranges 2～5, and along sidewall in being intervally arranged up and down.
Preferably, described pumped well structure includes well body and pressure handle, and well body is hollow cylindrical structure, and the bottom of well body leads to
Cross feed tube to connect with the bottom of reserving liquid tank, the top of well body is provided with liquid outlet, in the piston that is internally provided with of well body, institute
State piston and be connected with driving its reciprocating pressure handle.
Preferably, described base and top board are all square, and described support column arranges four altogether, lay respectively at base and top board
Corner at, described pilot post is connected with the center of bearing plate.
Preferably, described manual pressure device arranges two altogether, and respectively axial compression manual pressure device and confined pressure manually add
Pressure device, described arranges one from gravity pressue device, and the liquid outlet of described axial compression manual pressure device passes through hydraulic connecting pipe
With the hydraulic chamber into communication from gravity pressue device, described hydraulic cavities is connected with feed pathway by voltage stabilizing outlet tube, described confined pressure
The liquid outlet of manual pressure device is connected with confined pressure hole by another hydraulic connecting pipe.
Preferably, described ultrafiltration tester arranges multiple, equal at the feed pathway and confined pressure hole of each ultrafiltration tester
Connecting a threeway, the threeway at the feed pathway of all ultrafiltration testers is interconnected, at the confined pressure hole of all ultrafiltration testers
Threeway connect the most mutually.
Preferably, the bottom of described internal head cover is provided with downwardly projecting peripheral flange, the top of described interior base be provided with to
The peripheral flange protruded above, described flexible silicon gum cover pipe uses sealing steel card to add with the outside of internal head cover and interior base peripheral flange
Gu seal.
Preferably, the bottom surface of described internal head cover is provided with the first groove, places the first water filter plate in the first groove, described interior
The end face of base is provided with the second groove, place in the second groove the second water filter plate, described intake tunnel and the first water filter plate it
Between be provided with top inner chamber, be provided with end inner chamber between exhalant canal and the second water filter plate.
Preferably, it is provided with steel gauze between described water filter plate and the upper and lower contact surface of undisturbed soil sample.
Preferably, described interior base and internal head cover are contacted with sidewall by the first O-ring seal respectively, described internal head cover
Upper surface is contacted with outer top cover by the second O-ring seal, and the 3rd O-ring seal and outer base is passed through in described interior base lower surface
Contacting, described outer top cover and outer base are screwed respectively in sidewall upper and lower end face.
The method have the benefit that:
1, the present invention uses the mode that manual pressure device matches with from gravity pressue device, carries out ultrafiltration tester
Mechanical type adds axial compression and confined pressure, and compared to pulsed force (forcing) pump or peristaltic pump, Stress control is more stable, accurate, greatly drops
The low test error of process of the test.
2, owing to have employed the Purely mechanical pressuring method from gravity pressue device and manual pressure device, original state of the present invention
Clay ultrafiltration assay device can be equipped with multiple ultrafiltration tester simultaneously, carries out organizing test operation more, and test efficiency is higher, and respectively
Ultrafiltration tester is respectively provided with a threeway at feed pathway and confined pressure hole, can easily realize connecting, simple in construction, and manipulation is held
Easily.
3, the present invention sets up multiple lateral sample tap on ultrafiltration tester, can be as required to different through undisturbed soil sample
The transudate of position is sampled, thus realizes the analysis to transudate variation of water in clay.
4, the present invention is by installing screwed pipe at lateral sample tap, and arranges and screwed pipe on sidewall and flexible silicon gum cover pipe
The mode of suitable hickey, can easily realize laterally sampling, and have preferable sealing effectiveness, additionally in flexible silicon
On gum cover pipe, the position of corresponding lateral sample tap is provided with flexible filter screen, and undisturbed soil sample can play filtration iris action.
Accompanying drawing explanation
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings:
Fig. 1 is the structural principle schematic diagram of one embodiment of the present invention；
Fig. 2 is the structure diagram from gravity pressue device；
Fig. 3 is the structure diagram of manual pressure device；
Fig. 4 is the structural principle schematic diagram of ultrafiltration tester；
Fig. 5 is the partial enlarged drawing of Fig. 4, mainly illustrates the structure at lateral sample tap.
In figure: 1-ultrafiltration tester, the outer top cover of 101-, 102-outer base, 103-sidewall, 104-internal head cover, 105-inner bottom
Seat, 106-flexible silicon gum cover pipe, 107-perforated casing, 108-feed pathway, 109-axial compression Pressure gauge, 1010-exhalant canal,
1011-water storage cavity, sample tap bottom 1012-, 1013-undisturbed soil sample permeation chamber, 1014-confined pressure chamber, 1015-confined pressure hole, 1016-
Confined pressure Pressure gauge, the lateral sample tap of 1017-, 1018-screwed pipe, 1019-hickey, 1020-flexible filter screen, 1021-sealing steel
Card, 1022-the first water filter plate, 1023-the second water filter plate, 1024-pushes up inner chamber, inner chamber at the bottom of 1025-, 1026-steel gauze, 1027-
Screw, 1028-connecting tube, 2-manual pressure device, 201-reserving liquid tank, 202-pumped well structure, 203-liquid injection port, 2021-well
Body, 2022-presses handle, 2023-feed tube, 2024-liquid outlet, 2025-piston, 2026-film, and 211-axial compression manual pressure fills
Putting, 212-confined pressure manual pressure device, 3-is from gravity pressue device, 301-base, 302-top board, 303-bearing plate, and 304-props up
Dagger, 305-joins pressing plate, 306-hydraulic cavities, 307-pilot post, 4-the first hydraulic connecting pipe, 5-voltage stabilizing outlet tube, 6-threeway, 7-
Second hydraulic connecting pipe, 8-check valve, 9-the first water check valve, 10-the second water check valve.
Detailed description of the invention
As it is shown in figure 1, a kind of original state clay ultrafiltration assay device, including ultrafiltration tester 1, manual pressure device 2 and from
Gravity pressue device 3.As shown in Figure 4, described ultrafiltration tester 1 includes outer top cover 101, outer base 102 and connects outer top cover
101 and the sidewall 103 of outer base 102, outer top cover 101, outer base 102 surround closed cavity, in closed cavity with sidewall 103
Be provided with internal head cover 104, interior base 105, for being coated with flexible silicon gum cover pipe 106 and the perforated casing 107 of undisturbed soil sample.
Internal head cover 104 is arranged on below outer top cover 101, is provided with the feed pathway 108 connected, enters in internal head cover 104 and outer top cover 101
Liquid passage 108 external axial compression Pressure gauge 109.Described interior base 105 is arranged on above outer base 102, is provided with out in interior base 105
Aquaporin 1010, is provided with the water storage cavity 1011 that connects with exhalant canal and is in communication with the outside by water storage cavity in outer base 102
Bottom sample tap 1012.Internal head cover 104, interior base 105 surround undisturbed soil sample permeation chamber 1013 with flexible silicon gum cover pipe 106, have
Hole sleeve 107 is enclosed within the outside of flexible silicon gum cover pipe 106, forms confined pressure between perforated casing 107 and flexible silicon gum cover pipe 106
Chamber 1014, also forms a chamber between perforated casing 107 and sidewall 103, offers confined pressure hole 1015, confined pressure hole on sidewall
1015 with above-mentioned chamber, and then connection confined pressure chamber 1014, confined pressure hole external confined pressure Pressure gauge 1016, at confined pressure hole arrange
There is the second water check valve 10.The corresponding position of sidewall, perforated casing and flexible silicon gum cover pipe is provided with lateral sample tap 1017,
As it is shown in figure 5, be provided with screwed pipe 1018 at lateral sample tap 1017, sidewall 103 and flexible silicon gum cover pipe 106 are provided with
The hickey 1019 suitable with screwed pipe, on flexible silicon gum cover pipe 106, the position of corresponding lateral sample tap is provided with soft
Property filter screen 1020.As it is shown on figure 3, described manual pressure device 2 includes reserving liquid tank 201, reserving liquid tank 201 is provided with liquid storage
The pumped well structure 202 that in case, the liquid hand of storage extrudes, is provided above liquid injection port 203 in one end of reserving liquid tank.Such as Fig. 2
Shown in, described include base 301, top board 302 and bearing plate 303 from gravity pressue device 3, between base 301 and top board 302
Being provided with support column 304, described bearing plate 303 is set on support column 304, and can move up and down along support column.At bearing plate
It is placed with on 303 and joins pressing plate 305, base 301 is provided with hydraulic cavities 306, be internally provided with pilot post in hydraulic cavities 306
307, the top of pilot post 307 is connected with movable bearing plate 303.As it is shown in figure 1, described manual pressure device arranges two altogether
Individual, respectively axial compression manual pressure device 211 and confined pressure manual pressure device 212, described arrange one from gravity pressue device.
The liquid outlet of described axial compression manual pressure device 211 is by the first hydraulic connecting pipe 4 and the hydraulic cavities from gravity pressue device 3
306 connections, described hydraulic cavities 306 is connected with the inlet of threeway 6 by voltage stabilizing outlet tube 5, a wherein liquid outlet of threeway 6 and
Feed pathway 108 connects, and another liquid outlet is closed by the first water check valve 9.The liquid outlet of described confined pressure manual pressure device leads to
Cross the second hydraulic connecting pipe 7 to connect with confined pressure hole 1015.At the first hydraulic connecting pipe 4, voltage stabilizing outlet tube 5 and the second hydraulic connecting
It is provided with check valve 8 on pipe 7, makes the liquid can only one-way transmission, it is impossible to reverse reflux.
Above-mentioned lateral sample tap 1017 is preferably provided with 2～5, and along sidewall in being intervally arranged up and down.
As the further design to the present invention, as it is shown on figure 3, described pumped well structure 202 includes well body 2021 and pressure
Handle 2022, well body 2021 is in hollow cylindrical structure, and the bottom of well body 2021 is by the bottom of feed tube 2023 with reserving liquid tank 201
Connection, is provided with liquid outlet 2024 on the top of well body 2021, is internally provided with piston 2025, at piston at well body 2021
The lower section of 2025 is fixed with film 2026, and described piston 2025 is connected with driving its reciprocating pressure handle 2022.This structure
And operation principle is consistent with the structure and working principle of common pumped well.
Further, described base 301 and top board 302 are all square, and described support column 304 arranges four altogether, respectively
Being positioned at the corner of base 301 and top board 302, described pilot post 306 is connected with the center of bearing plate 303.The design of this structure can
The operation making bearing plate is more steady, and then the accurate control of beneficially axial compression.
Further, described ultrafiltration tester arranges multiple, at the feed pathway and confined pressure hole of each ultrafiltration tester
Being all connected with a threeway, the threeway at the feed pathway of all ultrafiltration testers is interconnected by pipeline, all ultrafiltration testers
Confined pressure hole at threeway be the most all interconnected by pipeline.Certainly, confined pressure pressure also can be by from gravity pressue device and confined pressure
Manual pressure device provides jointly, and the water that i.e. confined pressure manual pressure device extrudes is introduced into another hydraulic pressure from gravity pressue device
Chamber, then enters confined pressure hole under the effect of bearing plate and pilot post.
Further, as shown in Figure 4, the bottom of described internal head cover is provided with downwardly projecting peripheral flange, described inner bottom
The top of seat is provided with peripheral flange protruding upward, described flexible silicon gum cover pipe and internal head cover and the outside of interior base peripheral flange
Use sealing steel card 1021 to reinforce to seal.The bottom surface of described internal head cover is provided with the first groove, places the first filter in the first groove
Water plate 1022, the end face of described interior base is provided with the second groove, places the second water filter plate 1023, described water inlet in the second groove
It is provided with top inner chamber 1024 between passage and the first water filter plate, between exhalant canal and the second water filter plate, is provided with end inner chamber 1025.Institute
State on the first water filter plate and undisturbed soil sample between contact surface and be equipped with steel between contact surface under the second water filter plate and undisturbed soil sample
Gauze 1026.Described interior base and internal head cover are contacted with sidewall by the first O-ring seal respectively, described internal head cover upper surface
Being contacted with outer top cover by the second O-ring seal, described interior base lower surface is connected with outer base by the 3rd O-ring seal
Touching, described outer top cover and outer base are fixed on sidewall upper and lower end face by screw 1027 respectively.
Original state clay ultrafiltration assay device of the present invention, applicable original state clay can be non-consolidation plasticity cohesive undisturbed soil
Sample.Below as a example by viscosity soil sample, in conjunction with present configuration its concrete workflow is described:
1, sample preparation: viscosity soil sample is processed into the cylindrical sample of accurate dimension；
2, setting-out seals:
1) flexible silicon gum cover pipe 106 snapped in place the interior base 105 of the second water filter plate 1023 and steel gauze 1026,
Sealing steel card 1021 is used to fix on the downside of flexible silicon gum cover pipe 106；
2) cylindrical sample is put in flexible silicon gum cover pipe 106；
3) perforated casing 107 is enclosed within outside flexible silicon gum cover pipe 106, is placed on interior base 105；
4) the sealing steel card 1021 do not tightened is enclosed within the upside of flexible silicon gum cover pipe 106；
5) the steel gauze 1026 above sample and the first water filter plate 1022 being placed, internal head cover 104 snaps in flexible silica gel
Sleeve pipe 106, tightens upside sealing steel card 1021；
6) putting in outer base 102 by above entirety, sidewall 103 is put, adjustment sidewall 103, perforated casing 107 make
Lateral sample tap 1017 aligns；
7) screwed pipe 1018 is loaded so that it is tighten with the hickey 1019 on flexible silicon gum cover pipe 106 and sidewall 103；
8) tap water is filled it up with in confined pressure chamber 1014, build outer top cover 101, and fix with sidewall 103；
9) feed pathway 108 is connected with the voltage stabilizing outlet tube 5 from gravity pressue device by connecting tube 1028；
10) by the first hydraulic connecting pipe 4 of axial compression manual pressure device with the hydraulic cavities 306 from gravity pressue device even
Logical, the second hydraulic connecting pipe 7 of confined pressure manual pressure device and the confined pressure hole 1015 of ultrafiltration tester are connected；
11) testing liquid configured is injected the reserving liquid tank of axial compression manual pressure device, takes from water and inject confined pressure hands
The reserving liquid tank of dynamic pressue device, tests ready.
3, test:
1) the second water check valve 10 at ultrafiltration tester feed pathway 108 and confined pressure hole is closed, to axial compression manual pressure device
Suitable pressure is applied respectively with confined pressure manual pressure device；
2) first slowly open the second water check valve 10 at confined pressure hole 1015, note observing confined pressure Pressure gauge 1016 at confined pressure hole
Situation of change, slowly opens feed pathway 108 simultaneously, and observes the situation of change of axial compression Pressure gauge 109 at feed pathway, adjusts
Axial compression and confined pressure size, it is ensured that at feed pathway, axial compression Pressure gauge 109 reading is not more than confined pressure Pressure gauge 1016 at confined pressure hole
Reading.When the manometric reading of axial compression Pressure gauge and confined pressure is basicly stable, read pressure value, and record the time；
3) connect each lateral sample tap 1017 and bottom sample tap 1012 by rubber hose, and introduce in wide-mouth liquid containing bottle
Collect transudate, sample when infusion bottle transudate reaches 20ml, and numbered Yi-j(wherein, i=1,2,3,4, represent respectively
Top-down three lateral sample taps 1017 and bottom sample tap 1012；J=1,2,3, represent and sampled
The order of product).
4) testing liquid and taken transudate water sample to configuration carry out hydrochemical analyse, draw transudate change of water quality bent
Line.
The relevant technology contents do not addressed in aforesaid way is taked or uses for reference prior art to realize.
It should be noted that any equivalent replacement side under the teaching of this specification, done by those skilled in the art
Formula, or substantially variant, all should be within protection scope of the present invention.
Claims (7)
1. an original state clay ultrafiltration assay device, it is characterised in that: include ultrafiltration tester, manual pressure device and from gravity
Pressue device；Described ultrafiltration tester includes outer top cover, outer base and connects outer top cover and the sidewall of outer base, outer top cover,
Outer base and sidewall surround closed cavity, be provided with in closed cavity internal head cover, interior base, for being coated with the soft of undisturbed soil sample
Property silica gel sleeve pipe and perforated casing, described internal head cover is arranged on below outer top cover, is provided with and connects in internal head cover and outer top cover
Feed pathway, feed pathway external axial compression Pressure gauge, described interior base is arranged on above outer base, is provided with water outlet in interior base
Passage, is provided with the water storage cavity connected with exhalant canal and the bottom sample tap being in communication with the outside by water storage cavity in outer base, interior
Top cover, interior base become undisturbed soil sample permeation chamber with flexible silicon gum cover circumference of cannon bone, and perforated casing is enclosed within the outside of flexible silicon gum cover pipe,
Form confined pressure chamber between perforated casing and flexible silicon gum cover pipe, sidewall offers the confined pressure hole in connection confined pressure chamber, confined pressure hole
External confined pressure Pressure gauge, is provided with lateral sample tap, in side in the corresponding position of sidewall, perforated casing and flexible silicon gum cover pipe
Screwed pipe is installed at sample tap, sidewall and flexible silicon gum cover pipe are provided with the hickey suitable with screwed pipe, soft
Property silica gel sleeve pipe on the position of corresponding lateral sample tap be provided with flexible filter screen；Described manual pressure device includes reserving liquid tank,
Reserving liquid tank is provided with the pumped well structure extruded by the liquid hand stored in reserving liquid tank, sets above one end of reserving liquid tank
It is equipped with liquid injection port；Described include base, top board and bearing plate from gravity pressue device, between base and top board, be provided with support
Post, described bearing plate is sheathed on the support columns, and can move up and down along support column, is placed with and joins pressing plate, the end of on bearing plate
Being provided with hydraulic cavities on Zuo, be internally provided with pilot post in hydraulic cavities, pilot post is connected with bearing plate；Going out of pumped well structure
Liquid mouth passes through hydraulic connecting pipe and hydraulic chamber into communication, and hydraulic cavities is connected with feed pathway or confined pressure hole by voltage stabilizing outlet tube,
It is provided with check valve on hydraulic connecting pipe and voltage stabilizing outlet tube.
A kind of original state clay ultrafiltration assay device the most according to claim 1, it is characterised in that: described lateral sample tap sets
Put 2～5, and along sidewall in being intervally arranged up and down.
A kind of original state clay ultrafiltration assay device the most according to claim 1, it is characterised in that: described pumped well structure bag
Including well body and pressure handle, well body is hollow cylindrical structure, and the bottom of well body is connected with the bottom of reserving liquid tank, at well by feed tube
The top of body is provided with liquid outlet, at the piston that is internally provided with of well body, described piston and its reciprocating pressure handle of drive
Connect.
A kind of original state clay ultrafiltration assay device the most according to claim 1, it is characterised in that: described manual pressure device
Arrange two altogether, respectively axial compression manual pressure device and confined pressure manual pressure device, described arrange one from gravity pressue device
Individual, the liquid outlet of described axial compression manual pressure device is by hydraulic connecting pipe and the hydraulic chamber into communication from gravity pressue device, institute
Stating hydraulic cavities to be connected with feed pathway by voltage stabilizing outlet tube, the liquid outlet of described confined pressure manual pressure device passes through another hydraulic pressure
Connecting tube connects with confined pressure hole.
A kind of original state clay ultrafiltration assay device the most according to claim 1, it is characterised in that: described ultrafiltration tester sets
Put multiple, at the feed pathway and confined pressure hole of each ultrafiltration tester, be all connected with a threeway, the feed liquor of all ultrafiltration testers
Threeway at passage is interconnected, and the threeway at the confined pressure hole of all ultrafiltration testers connects the most mutually.
A kind of original state clay ultrafiltration assay device the most according to claim 1, it is characterised in that: the bottom surface of described internal head cover
Being provided with the first groove, place the first water filter plate in the first groove, the end face of described interior base is provided with the second groove, recessed second
Place the second water filter plate in groove, between described intake tunnel and the first water filter plate, be provided with top inner chamber, exhalant canal and the second drainage
End inner chamber it is provided with between plate.
A kind of original state clay ultrafiltration assay device the most according to claim 1, it is characterised in that: described water filter plate and original state
It is provided with steel gauze between the upper and lower contact surface of soil sample.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610652799.1A CN106153520B (en) | 2016-08-10 | 2016-08-10 | Ultrafiltration test device for undisturbed clay |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610652799.1A CN106153520B (en) | 2016-08-10 | 2016-08-10 | Ultrafiltration test device for undisturbed clay |
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| CN106153520A true CN106153520A (en) | 2016-11-23 |
| CN106153520B CN106153520B (en) | 2020-04-07 |
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| Publication number | Publication date |
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| CN106153520B (en) | 2020-04-07 |
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