CN105806676B - A kind of accurate device for preparing different water cut ground sample - Google Patents
A kind of accurate device for preparing different water cut ground sample Download PDFInfo
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- CN105806676B CN105806676B CN201610289907.3A CN201610289907A CN105806676B CN 105806676 B CN105806676 B CN 105806676B CN 201610289907 A CN201610289907 A CN 201610289907A CN 105806676 B CN105806676 B CN 105806676B
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- water
- upper cover
- constant humidity
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000009423 ventilation Methods 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000002360 preparation method Methods 0.000 claims abstract description 20
- 210000000883 Ear, External Anatomy 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 4
- 241000237858 Gastropoda Species 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 20
- 238000009533 lab test Methods 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 13
- 239000000126 substance Substances 0.000 description 9
- 238000001035 drying Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 210000003491 Skin Anatomy 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000003014 reinforcing Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000003313 weakening Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
Abstract
The present invention relates to indoor ground sample preparation device, it is more particularly to accurately prepare the device of different water cut ground sample, belongs to Geotechnical Engineering field.The preparation facilities is by constant humidity ware, first Temperature Humidity Sensor, blender, electrical heating ventilation blower, controller, second Temperature Humidity Sensor, porous shelf, pressure sensor, planchet, pipe-line system forms, the accurate device for preparing different water cut ground sample of the present invention solves different water cut ground sample in current laboratory test, and to prepare that there are moisture content inside and outside uneven, easy disintegrating soil sample is not easy the problem prepared, the accurate apparatus structure for preparing different water cut ground sample is simple, it is easy to use, it is highly practical, high degree of automation, it can be commonly used to the accurate preparation of different water cut ground sample.
Description
Technical field
The present invention relates to indoor ground sample preparation device, it is more particularly to accurately prepare different water cut ground sample
Device, belong to Geotechnical Engineering field.
Background technology
The compressive strength rate drying Rock And Soil that rock-soil mechanics experiment discloses saturation Rock And Soil reduces by 40 or more percent,
Ratio is reduced up to 70 or more percent for the weak rocks soil body.In geotechnical engineering, Rock And Soil intensity under natural conditions and
Deformation meets construction requirement, but when construction environment changes, such as heavy rain, prominent water burst, and Rock And Soil intensity under aqueous conditions drops
It is low, while uneven large deformation occurs, easily induced landslide, country rock or surrounding soil unstability, to basement process, excavation of foundation pit,
The geotechnical engineering constructions such as constructing tunnel, slope reinforcing bring many problems.Therefore, the experiment of indoor rock-soil mechanics and field engineering be all
Disclosing water outlet, there are attenuations to the intensity of Rock And Soil and deformation, and the influence for evaluation water to geotechnical engineering, there is an urgent need for study not
With the Weakening degree of Rock And Soil under moisture content.
Moisture content is the percentage of the quality and dry sample mass of water, which can reflect the dry and wet journey of ground sample
Degree.Influence for research water to Rock And Soil intensity and deformation, the general ground sample progress difference carried out to different water cut are answered
The indoor mechanical test of power path needs the ground sample for first preparing different water cut before experiment.Currently, different water cut ground tries
The preparation method of sample mainly has：1) first by ground sample water saturation, then with furnace drying method, by force dehydration different time and obtain；
2) by the rock sample of drying immersion different time, soaking time difference causes ground sample water sucting degree variant, to obtain not
With the ground sample of moisture content.Both the above preparation method is relatively simple, and preparation time is shorter, and still, water is by heat transfer
Principle dynamic change, due to the limitation of ground specimen geometry and size, during drying dehydration or impregnating infiltration, ground
Aqueous distribution is not uniform in sample, even prepared with oven drying method then obtain be it is outer it is dry in wet ground sample, if with
What infusion method obtained is the ground sample done in exogenous damp, and this degree of irregularity is different with the compaction rate of rock-soil material, for
Fine and close rock sample, degree of irregularity become apparent, and the anisotropy inside sample is more prominent, since stress concentration causes
Mechanical test result discreteness is apparent；In addition, if soil sample meets water easy disintegrating, preparation process cannot contact liquid water, then existing system
Preparation Method and equipment are not suitable for easy disintegrating soil sample.
In conclusion preparing different water cut ground sample at present, there are moisture content, inside and outside unevenness, easy disintegrating soil sample can not
The problems such as preparation, it is uniform that a kind of device that can accurately prepare different water cut ground sample of research and development prepares inside and outside moisture content
Ground sample can provide weight for the accurate water that discloses with Rock And Soil coupling and evaluation water influence underground engineering stability of rock-soil body
The technical support wanted.
Invention content
The purpose of the invention is to provide a kind of simple in structure, easy to use, highly practical, high degree of automations, can
It is accurate to prepare different water cut ground sample, and the sample prepared the inside and outside uniform experiment preparation facilities of moisture content.
To achieve the goals above, the present invention uses following technical measures：
A kind of accurate device for preparing different water cut ground sample, it is characterised in that：The preparation facilities is by constant humidity ware,
One Temperature Humidity Sensor, blender, electrical heating ventilation blower, controller, the second Temperature Humidity Sensor, porous shelf, pressure sensing
Device, planchet, pipe-line system composition, planchet is made of planchet upper cover and planchet pedestal, and pipe-line system is by water-delivery pump, defeated
Penstock, water-supply-pipe, drainpipe, water discharging valve, the first gas-guide tube, the second gas-guide tube, third gas-guide tube, the first gas transmission valve,
Second gas transmission valve is constituted, and constant humidity ware is cylinder, and constant humidity ware inside top is connected to the first Temperature Humidity Sensor along center line,
The first porous shield is covered with outside first Temperature Humidity Sensor, the first porous shield is fixed by screw and constant humidity ware, more than first
Blender is connected below the shield of hole, the blade of blender stretches into the supersaturated solution of solute precipitation, the edge of constant humidity ware bottom
Drainpipe is connected, drainpipe is equipped with water discharging valve, one end of the side connection water-supply-pipe of constant humidity ware top center line, water-supply-pipe
The other end connect with water-delivery pump, be equipped with water-delivery valve on water-supply-pipe between water-delivery pump and constant humidity ware, at the top of constant humidity ware in
The side of heart line is additionally provided with supply port and the first Wiring port, the electric signal access the of the first Temperature Humidity Sensor, blender
One Wiring port, the first Wiring port are connect by the first data line with controller, by the in the middle part of the side outer wall of constant humidity ware
One gas-guide tube is connect with the air outlet of electrical heating ventilation blower, and planchet pedestal is cylinder, and the air intake vent of electrical heating ventilation blower is logical
It crosses in the middle part of the side outer wall of the second gas-guide tube and planchet pedestal and connect, the second gas-guide tube is equipped with the first gas transmission valve, and electricity adds
Hot ventilation blower is connect by the second data line with controller, passes through third gas-guide tube and sample in the middle part of the other side outer wall of constant humidity ware
Connection in the middle part of the other side outer wall of ware pedestal, third gas-guide tube are equipped with the second gas transmission valve, and planchet base center is placed with
Pressure sensor, pressure sensor top are placed with porous shelf, ground sample, planchet pedestal are placed with above porous shelf
Outer wall upper end be uniformly distributed there are four external ear, the external ear of planchet pedestal and the junction of outer wall are equipped with seal groove, sample
There is threaded hole on the external ear of ware pedestal, planchet upper cover is cylinder, there are four the outer wall lower end of planchet upper cover is uniformly distributed
External ear, the external ear of planchet upper cover and the junction of outer wall are equipped with seal groove, have threaded hole on the external ear of planchet upper cover, close
Seal is positioned in planchet pedestal and the seal groove of planchet upper cover, and planchet upper cover is positioned on planchet pedestal, spiral shell
Bolt passes through the external ear threaded hole of the external ear threaded hole and planchet pedestal of planchet upper cover, and planchet upper cover inside top is along center
It is connected to the second Temperature Humidity Sensor on line, the second porous shield is covered with outside the second Temperature Humidity Sensor, the second porous shield is logical
Screw to be crossed to fix with planchet upper cover, the side of planchet upper cover top center line is equipped with the second Wiring port, pressure sensor,
The electric signal of second Temperature Humidity Sensor accesses the second Wiring port, and the second Wiring port is connected by third data line and controller
It connects.
The centerline collineation of the center line and constant humidity ware of first temperature sensor, blender, second temperature sensing
The centerline collineation of the center line and planchet upper cover of device.
The bottom of the constant humidity ware is covered with solute.
Resistance wire and ventilation blower in parallel built in the electrical heating ventilation blower.
As a result of above technical scheme, which has the advantage that：
1 preparation facilities connects the first Temperature Humidity Sensor, the second Temperature Humidity Sensor and electrical heating by controller and divulges information
Machine, the first Temperature Humidity Sensor, the second Temperature Humidity Sensor centerline collineation with constant humidity ware and planchet respectively, can accurately survey
The uniformly distributed humiture in constant humidity ware and planchet is measured, preset temperature is the slightly higher temperature value of room temperature, when in constant humidity ware and planchet
Temperature be less than preset value, psychrometric difference be more than preset value when, controller control electrical heating ventilation blower resistance wire or ventilation blower work
Make, accurately can provide constant temperature for planchet, it is theoretical by the vapor-liquid equilibrium of one pack system in chemical thermodynamics, in constant humidity ware
Supersaturated chemical solution can provide stable constant humidity environment for ground sample, and Resistant heating and ventilation mould are taken in constant temperature design
Formula does not use refrigeration control to design, and therefore, for apparatus structure simply and under the premise of saving cost, preparation process is accurate, automation
Degree is high.
2 when the humiture difference in constant humidity ware and planchet is less than preset value, and controller controls the electricity of electrical heating ventilation blower
Resistance silk or ventilation blower are stopped, energy conservation and environmental protection.
3 planchet pedestal placement force sensors, can monitor the weight change of ground sample in real time, convenient for calculating moisture content
With accurate judgement moisture content ground sample preparation progress, the weighing of ground sample is taken out relative to planchet upper cover is opened
Process it is more easy, and avoid interference of the indoor environment to planchet inside humiture when opening planchet upper cover.
4 are noted by water-delivery pump into constant humidity ware along constant humidity ware center line setting blender when that need to configure supersaturated solution
Water provides chemical solute by feeding port to constant humidity ware, and the blade of blender stretches into constant humidity ware bottom chemical solution and stirs,
When there is insoluble solute to be precipitated prepared by supersaturated solution to complete, simple and convenient.
5, when the ground sample of certain moisture content prepares completion, close the first gas transmission valve and the second gas transmission valve, you can
Facilitate the ground sample that storage prepares, and the sample moisture content is stablized.
6 finish when the preparation of certain water ratio test, prepare other moisture content samples and need replacing other supersaturated chemical solutions
When liquid, water-delivery valve and water discharging valve are opened, constant humidity ware is cleaned to constant humidity ware water delivery by water-delivery pump, when avoiding manually cleaning
Corrosion of the solution to skin is learned, and the cleaning process is simple and convenient.
The accurate device for preparing different water cut ground sample of the present invention solves different water cut in current laboratory test
Rate ground sample is prepared there are the moisture content problem that inside and outside unevenness, easy disintegrating soil sample are not easy to prepare, and different water cut is accurately prepared
The apparatus structure of ground sample is simple, easy to use, highly practical, high degree of automation, can be commonly used to different water cut rock
The accurate preparation of soil sample.
Description of the drawings
Fig. 1 is the accurate apparatus structure schematic diagram for preparing different water cut ground sample of the present invention.
Specific implementation mode
The following further describes the present invention with reference to the drawings, sees attached drawing.
A kind of accurate device for preparing different water cut ground sample, it is characterised in that：The preparation facilities by constant humidity ware 5,
First Temperature Humidity Sensor 6, blender 8, electrical heating ventilation blower 13, controller 18, the second Temperature Humidity Sensor 23, porous shelf
31, pressure sensor 32, planchet, pipe-line system composition.
Planchet is made of planchet upper cover 25 and planchet pedestal 33.
Pipe-line system by water-delivery pump 1, water-delivery valve 2, water-supply-pipe 3, drainpipe 10, water discharging valve 11, the first gas-guide tube 14,
Second gas-guide tube 20, third gas-guide tube 26, the first gas transmission valve 29, the second gas transmission valve 27 are constituted.
Constant humidity ware 5 is cylinder, and 5 inside top of constant humidity ware is connected to the first Temperature Humidity Sensor 6 along center line, can be accurate
The uniformly distributed humiture in constant humidity ware 5 is measured, the first porous shield 7 is covered with outside the first Temperature Humidity Sensor 6, the first temperature can be protected
Humidity sensor 6, the first porous shield 7 are fixed by screw and constant humidity ware 5, and 7 lower section of the first porous shield connects blender 8,
The blade of the centerline collineation of the center line and constant humidity ware 5 of blender 8, blender 8 stretches into the supersaturated molten of the precipitation of solute 12
The edge of liquid 9,5 bottom of constant humidity ware connects drainpipe 10, and drainpipe is equipped with water discharging valve 11,5 top center line of constant humidity ware
Side connects one end of water-supply-pipe 3, and the other end of water-supply-pipe 3 is connect with water-delivery pump 1, and water-delivery pump 1 and constant humidity are located on water-supply-pipe 3
Water-delivery valve 2 is equipped between ware 5, by water-supply-pipe 3 and drainpipe 10 can constant humidity ware 5 easy to clean, 5 top center line of constant humidity ware
Side be additionally provided with supply port 4 and the first Wiring port 17, solute 12 can be provided into constant humidity ware 5 by feeding port 4, the
Electric signal the first Wiring port 17 of access of one Temperature Humidity Sensor 6, blender 8, the first Wiring port 17 pass through the first data
Line 16 is connect with controller 18.
It is connect, is tried with the air outlet of electrical heating ventilation blower 13 by the first gas-guide tube 14 in the middle part of the side outer wall of constant humidity ware 5
Sample ware pedestal 33 is cylinder, and the air intake vent of electrical heating ventilation blower 13 passes through the side of the second gas-guide tube 20 and planchet pedestal 33
Connection in the middle part of outer wall, the second gas-guide tube 20 are equipped with the first gas transmission valve 29, resistance wire in parallel built in electrical heating ventilation blower 13
And ventilation blower, electrical heating ventilation blower 13 are connect by the second data line 15 with controller 18, and resistance wire is controlled by controller 18
Or ventilation blower is turned on and off, and passes through the another of third gas-guide tube 26 and planchet pedestal 33 in the middle part of the other side outer wall of constant humidity ware 5
Connection in the middle part of the outer wall of side, third gas-guide tube 26 are equipped with the second gas transmission valve 27, and it is defeated to close the first gas transmission valve 29 and second
The planchet of air valve 27 is constant humidity environment, the moisture content ground sample 30 that storage can be facilitated to prepare.
33 center of planchet pedestal is placed with pressure sensor 32, and porous shelf 31 is placed with above pressure sensor, more
Shelf 31 top in hole is placed with ground sample 30, can obtain 30 weight of ground sample in real time by pressure sensor 32, facilitate meter
Calculate 30 aqueous rate score of ground sample, the outer wall upper end of planchet pedestal 33 is uniformly distributed that there are four external ear, planchet pedestals 33
External ear and the junction of outer wall be equipped with seal groove, there is on the external ear of planchet pedestal 33 threaded hole, planchet upper cover 25 to be in
Cylinder, the outer wall lower end of planchet upper cover 25 are uniformly distributed that there are four external ear, the external ear of planchet upper cover 25 and the companies of outer wall
It meets place and is equipped with seal groove, there is threaded hole, sealing ring 28 to be positioned over planchet pedestal 33 and examination on the external ear of planchet upper cover 25
In the seal groove of sample ware upper cover 25, planchet upper cover 25 is positioned on planchet pedestal 33, and bolt 21 passes through planchet upper cover
25 external ear threaded hole and the external ear threaded hole of planchet pedestal 33,25 inside top of planchet upper cover are connected to the along center line
Two Temperature Humidity Sensors 23 are covered with the second porous shield 24 outside second Temperature Humidity Sensor 23, and the second humiture can be protected to pass
Sensor 23, the second porous shield 24 are fixed by screw and planchet upper cover 25, the side of 25 top center line of planchet upper cover
Equipped with the second Wiring port 22, pressure sensor 32, the second Temperature Humidity Sensor 23 electric signal access the second Wiring port 22,
Second Wiring port 22 is connect by third data line 19 with controller 18.
The operation principle of the present invention is that：
(1) water-delivery pump 1, water-supply-pipe 3, constant humidity ware 5 are connected, connection drainpipe 10, constant humidity ware 5 place planchet upper cover 25
Fix planchet upper cover 25 and planchet pedestal 33 on planchet pedestal 33, and by bolt 21, be sequentially connected constant humidity ware 5,
Third gas-guide tube 26, planchet, the second gas-guide tube 20, electrical heating ventilation blower 13, the first gas-guide tube 14 form ventilating return, lead to
Cross the first data line 16, the second data line 15, third data line 19 be sequentially connected controller 18 and the first data port 17, electricity plus
Hot ventilation blower 13, the second data port 22.
(2) dry ground sample 30 is prepared, and weighs to obtain quality m1, placement ground sample 30 is porous in planchet to be put
On plate 31.
(3) supersaturated solution 9 that Chemical manual determines certain corresponding relative humidity is consulted, water discharging valve 11 is closed, opens defeated
Penstock 2 provides solute 12 by feeding port 4 by the water filling into constant humidity ware 5 of water-delivery pump 1 to constant humidity ware 5, blender 8
Blade stretches into the chemical solution of 5 bottom of constant humidity ware and stirring, when there is the precipitation of undissolved solute 12, the supersaturated solution 9 system
It is standby to complete, close water-delivery valve 2 and supply port 4.
(4) the first gas transmission valve 29 and the second gas transmission valve 27 are opened, preset temperature is the slightly higher temperature value of room temperature, works as perseverance
Wet ware 5 is less than preset value with the temperature in planchet, and when psychrometric difference is more than preset value, controller 18 controls electrical heating ventilation blower 13
Resistance wire or ventilation blower work, accurately can provide constant temperature for planchet, be put down by the solution-air of one pack system in chemical thermodynamics
Weighing apparatus is theoretical, and the supersaturated solution 9 in constant humidity ware 5 can be that ground sample 30 provides stable constant humidity environment, when constant humidity ware 5 and sample
When humiture difference in ware is less than preset value, controller 18 controls the resistance wire of electrical heating ventilation blower 13 or ventilation blower stops work
Make.
(5) mass change of ground sample 30, the reading quality when mass conservation are monitored in real time by pressure sensor 32
m2, then moisture content is w1=(m2-m1)/m1× 100%.
(6) the moisture content w for finishing preparation1Ground sample 30 take out and preserve, planchet is put into new drying ground
Sample 30 opens water-delivery valve 2 and water discharging valve 11, cleans constant humidity ware 5 to 5 water delivery of constant humidity ware by water-delivery pump 1, cleaning is completed
Afterwards, it consults Chemical manual to determine another supersaturated solution 9 of corresponding different relative humidity and configure, constantly repeats the above work
Make, can accurately prepare the ground sample 30 of different water cut.
Claims (4)
1. a kind of accurate device for preparing different water cut ground sample, it is characterised in that：The preparation facilities by constant humidity ware (5),
First Temperature Humidity Sensor (6), blender (8), electrical heating ventilation blower (13), controller (18), the second Temperature Humidity Sensor
(23), porous shelf (31), pressure sensor (32), planchet, pipe-line system composition, planchet by planchet upper cover (25) and
Planchet pedestal (33) is constituted, and pipe-line system is by water-delivery pump (1), water-delivery valve (2), water-supply-pipe (3), drainpipe (10), draining
It is valve (11), the first gas-guide tube (14), the second gas-guide tube (20), third gas-guide tube (26), the first gas transmission valve (29), second defeated
Air valve (27) is constituted, and constant humidity ware (5) is cylinder, and constant humidity ware (5) inside top is connected to the first humiture biography along center line
Sensor (6), is covered with the first porous shield (7) outside the first Temperature Humidity Sensor (6), the first porous shield (7) by screw with
Constant humidity ware (5) is fixed, and connection blender (8) below the first porous shield (7), the blade of blender (8) has stretched into solute (12)
The supersaturated solution (9) of precipitation, the edge connection drainpipe (10) of constant humidity ware (5) bottom, drainpipe are equipped with water discharging valve
(11), one end of the side connection water-supply-pipe (3) of constant humidity ware (5) top center line, the other end and water-delivery pump of water-supply-pipe (3)
(1) it connects, is equipped with water-delivery valve (2), constant humidity ware (5) top on water-supply-pipe (3) between water-delivery pump (1) and constant humidity ware (5)
The side of center line is additionally provided with supply port (4) and the first Wiring port (17), the first Temperature Humidity Sensor (6), blender (8)
Electric signal access the first Wiring port (17), the first Wiring port (17) passes through the first data line (16) and controller (18) even
It connects, is connect, tried with the air outlet of electrical heating ventilation blower (13) by the first gas-guide tube (14) in the middle part of the side outer wall of constant humidity ware (5)
Sample ware pedestal (33) is cylinder, and the air intake vent of electrical heating ventilation blower (13) passes through the second gas-guide tube (20) and planchet pedestal
(33) connection in the middle part of side outer wall, the second gas-guide tube (20) are equipped with the first gas transmission valve (29), electrical heating ventilation blower (13)
It is connect with controller (18) by the second data line (15), passes through third gas-guide tube in the middle part of the other side outer wall of constant humidity ware (5)
(26) it is connect in the middle part of the other side outer wall of planchet pedestal (33), third gas-guide tube (26) is equipped with the second gas transmission valve
(27), planchet pedestal (33) center is placed with pressure sensor (32), and porous shelf (31) is placed with above pressure sensor,
Ground sample (30) is placed with above porous shelf (31), the outer wall upper end of planchet pedestal (33) is uniformly distributed there are four outside
Ear, the external ear of planchet pedestal (33) and the junction of outer wall are equipped with seal groove, have spiral shell on the external ear of planchet pedestal (33)
Pit, planchet upper cover (25) is cylinder, and the outer wall lower end of planchet upper cover (25) is uniformly distributed that there are four external ear, planchets
The external ear of upper cover (25) and the junction of outer wall are equipped with seal groove, have threaded hole on the external ear of planchet upper cover (25), seal
Circle (28) is positioned in planchet pedestal (33) and the seal groove of planchet upper cover (25), and planchet upper cover (25) is positioned over examination
On sample ware pedestal (33), bolt (21) passes through the outer ear snail of the external ear threaded hole and planchet pedestal (33) of planchet upper cover (25)
Pit, planchet upper cover (25) inside top are connected to the second Temperature Humidity Sensor (23), the second temperature and humidity sensing along center line
The second porous shield (24) is covered with outside device (23), the second porous shield (24) is fixed by screw and planchet upper cover (25),
The side of planchet upper cover (25) top center line is equipped with the second Wiring port (22), pressure sensor (32), the second humiture
The electric signal of sensor (23) accesses the second Wiring port (22), and the second Wiring port (22) passes through third data line (19) and control
Device (18) connection processed.
2. a kind of accurate device for preparing different water cut ground sample according to claim 1, it is characterised in that：It is described
The first temperature sensor (6), blender (8) center line and constant humidity ware (5) centerline collineation, second temperature sensor
(23) centerline collineation of center line and planchet upper cover (25).
3. a kind of accurate device for preparing different water cut ground sample according to claim 1, it is characterised in that：It is described
The bottom of constant humidity ware (5) be covered with solute (12).
4. a kind of accurate device for preparing different water cut ground sample according to claim 1, it is characterised in that：It is described
Electrical heating ventilation blower (13) built in resistance wire and ventilation blower in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289907.3A CN105806676B (en) | 2016-05-05 | 2016-05-05 | A kind of accurate device for preparing different water cut ground sample |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610289907.3A CN105806676B (en) | 2016-05-05 | 2016-05-05 | A kind of accurate device for preparing different water cut ground sample |
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| CN105806676A CN105806676A (en) | 2016-07-27 |
| CN105806676B true CN105806676B (en) | 2018-07-17 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110514497B (en) * | 2019-09-03 | 2021-09-03 | 长沙理工大学 | Axial pressure controllable rock-like sample rotating maintenance sample preparation device and sample preparation method |
| CN111487104B (en) * | 2020-05-29 | 2023-08-01 | 煤炭科学技术研究院有限公司 | Experimental device and method for manufacturing test pieces with different water contents |
| CN112024093B (en) * | 2020-08-14 | 2021-11-30 | 江苏省岩土工程勘察设计研究院 | Laboratory soil sample preparation line and soil sample preparation method thereof |
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| CN101672761A (en) * | 2009-09-29 | 2010-03-17 | 长安大学 | Device and method for testing soil-water characteristic curve of sandy soil |
| CN102393320A (en) * | 2011-09-21 | 2012-03-28 | 中国科学院武汉岩土力学研究所 | Preparation method of rock test samples with different water ratios |
| CN204556346U (en) * | 2015-01-23 | 2015-08-12 | 中国矿业大学 | The inking device of the specific water percentage of a kind of cohesive soil |
| CN104786360A (en) * | 2015-04-21 | 2015-07-22 | 中山大学 | Multifunctional soft rock sample curing device used for keeping strength |
| CN105115796A (en) * | 2015-07-21 | 2015-12-02 | 中南大学 | Making device for soil samples/rock samples with different moisture contents |
| CN205607727U (en) * | 2016-05-05 | 2016-09-28 | 河南理工大学 | Device of different moisture content ground samples of accurate preparation |
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