CN113740227A - Survey device that soil macroporosity flows - Google Patents
Survey device that soil macroporosity flows Download PDFInfo
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- CN113740227A CN113740227A CN202110992121.9A CN202110992121A CN113740227A CN 113740227 A CN113740227 A CN 113740227A CN 202110992121 A CN202110992121 A CN 202110992121A CN 113740227 A CN113740227 A CN 113740227A
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- 239000002689 soil Substances 0.000 title claims abstract description 68
- 238000010438 heat treatment Methods 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000000919 ceramic Substances 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000002591 computed tomography Methods 0.000 abstract description 18
- 239000007787 solid Substances 0.000 abstract description 13
- 238000003384 imaging method Methods 0.000 abstract description 6
- 238000005070 sampling Methods 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
-
- 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
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
-
- 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
- G01N2015/0813—Measuring intrusion, e.g. of mercury
-
- 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
- G01N2015/0846—Investigating permeability, pore-volume, or surface area of porous materials by use of radiation, e.g. transmitted or reflected light
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Dispersion Chemistry (AREA)
- Pulmonology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention discloses a device for measuring soil macropore flow, which comprises a workbench and a water bath tank. Has the advantages that: when the soil macropore flow is measured, solid wax is put into a heating tank, the solid wax is heated by heat radiation of a ceramic heating plate and is melted into liquid, meanwhile, inorganic developer is put into the heating tank, a driving motor is started to drive the stirring rod to rotate, mixing liquid wax and inorganic developer, making the mixed liquid wax flow into large pores of sampling soil, taking out the containing frame when the liquid level of the liquid wax on the top surface of the sampling soil is not changed any more, standing and cooling until the liquid wax is solidified again, can be used for CT scanning, because the liquid wax is mixed with the inorganic developer, the CT scanning imaging is clearer, and simultaneously, the liquid wax has large surface tension and is difficult to enter small gaps of the sampling soil, so that the influence of the small gaps on CT scanning imaging is reduced, and the determination and judgment of large pore flow are more accurate and reliable.
Description
Technical Field
The invention relates to the technical field of soil detection, in particular to a device for measuring soil macropore flow.
Background
In general, many undisturbed soils, due to the stretching and rotting of plant roots, the movement of soil animals, the freeze-thaw alternation of soil, the change of dry and wet and the chemical weathering dissolution of soil, and the cultivation, have interconnected large pore networks, which are ubiquitous in the soil in nature, and the large pores of soil, although only account for 0.1% -5% of the volume of soil, largely affect the transport of water and solute in the soil, and need to be measured.
Traditional survey mode includes CT scanning survey, but CT scanning survey receives the influence of little space easily, causes the space to distribute in a jumble or too concentrated, simultaneously, owing to lack the developer, development efficiency is not high, influences the accuracy of survey judgement, in addition, also can't audio-visual acquisition three-dimensional model, still need the later stage to model, and is comparatively troublesome, can also further make the improvement.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the device for measuring the large pore flow of the soil, which has the advantages of more accurate measurement and judgment and convenience for obtaining a three-dimensional model, and further solves the problems in the background art.
(II) technical scheme
In order to realize the advantages of more accurate determination and judgment and convenient acquisition of a three-dimensional model, the invention adopts the following specific technical scheme:
the utility model provides a survey device that soil macroporosity flows, includes workstation and water bath, workstation top surface fixed mounting has the water bath, and inside the placing of water bath holds the frame to it runs through water bath top surface opening to hold the frame, water bath internally mounted has the heating rod, and is equipped with the heating tank through the stand mount above the water bath to heating tank fixed surface hugs closely and installs ceramic heating plate, heating tank top surface central point puts fixed mounting has driving motor, and heating tank internally mounted has the puddler to the puddler top surface runs through the heating tank and is connected with the driving motor output, heating tank bottom surface through connection has the drain pipe, workstation top surface other end fixed mounting has the CT scanner, and the inside conveyer belt that has been erect that runs through of CT scanner.
Furthermore, hold the frame and adopt high temperature resistant rigid plastic to make, and hold frame top both sides fixed surface and install the handle.
Furthermore, the bottom surface in the water bath box is vertically and fixedly provided with a plurality of supporting legs which are uniformly distributed.
Furthermore, a temperature controller is fixedly installed on the front vertical surface of the water bath tank, and the output end of the temperature controller is electrically connected with the input end of the heating rod.
Further, drain pipe surface mounting has the ooff valve, and the drain pipe is located and holds directly over the frame.
Furthermore, the top surface of the heating tank is positioned on one side of the driving motor and is in through connection with a feed hopper, and the surface of one side of the water bath tank is in through connection with a liquid injection pipe.
(III) advantageous effects
Compared with the prior art, the invention provides a device for measuring the large pore flow of the soil, which has the following beneficial effects:
(1) the invention adopts a heating tank, a ceramic heating plate, a water bath tank, a containing frame and a CT scanner, when the soil macropore flow is measured, the soil to be sampled can be put into the containing frame, the containing frame is put into the water bath tank for water bath heating, the soil to be sampled is kept in a high temperature state, meanwhile, solid wax is put into the heating tank, the solid wax is heated by the heat radiation of the ceramic heating plate to be melted into liquid, meanwhile, inorganic developer is put into the heating tank, a driving motor is started to drive a stirring rod to rotate, the liquid wax and the inorganic developer are mixed, the mixed liquid wax falls onto the top surface of the soil to be sampled through a liquid outlet pipe and flows into the macropore of the soil to be sampled, the liquid wax can not be solidified due to the heating of the soil by the water bath, and fully flows into the macropore according to the gravity, so that the macropore of the soil to be sampled is filled, when the liquid wax on the top surface of the soil to be sampled does not change any more, take out and hold the frame, the cooling of stewing, solidify again until liquid wax, can put into conveyer belt one end, carry by the conveyer belt and enter into the CT scanner, carry out the CT scan, because the inorganic developer that has mixed in the liquid wax, CT scan formation of image is more clear, simultaneously, because liquid wax surface tension is great, hardly enter into the little space of sample soil, consequently, the influence of little space to CT scan formation of image has been reduced to the survey that makes the macroporosity flow is judged more accurately and reliably.
(2) The large-pore-flow solid model taking device adopts the containing frame which is made of high-temperature-resistant plastic, so that the CT scanning is not influenced, and meanwhile, after the CT scanning is finished, the sampling soil can be taken out of the containing frame and soaked in water until the sampling soil is completely separated from the solid wax, so that the large-pore-flow solid model can be obtained, the visual observation is facilitated, and the operation is convenient and simple.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view showing the structure of an apparatus for measuring a large pore flow in soil according to the present invention;
FIG. 2 is a front view of the heating tank and water bath tank of the present invention;
FIG. 3 is a schematic view of the structure of the water bath according to the present invention;
FIG. 4 is a schematic structural view of a containing frame according to the present invention;
fig. 5 is a schematic structural view of a heating tank according to the present invention.
In the figure:
1. a work table; 2. a heating tank; 3. a ceramic heating plate; 4. a liquid outlet pipe; 5. a column; 6. a stirring rod; 7. a drive motor; 8. a feed hopper; 9. a water bath tank; 10. a heating rod; 11. a containing frame; 12. a handle; 13. a liquid injection pipe; 14. a support leg; 15. a conveyor belt; 16. a CT scanner; 17. a temperature controller.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to an embodiment of the present invention, there is provided an apparatus for measuring a large pore flow of soil.
Referring to the drawings and the detailed description, as shown in fig. 1-5, a soil macropore flow measuring device according to an embodiment of the present invention includes a workbench 1 and a water bath tank 9, the water bath tank 9 is fixedly installed on the top surface of the workbench 1, a containing frame 11 is placed inside the water bath tank 9, the containing frame 11 penetrates through the top surface opening of the water bath tank 9, a plurality of heating rods 10 are installed inside the water bath tank 9, a heating tank 2 is installed above the water bath tank 9 through a fixing frame of a column 5, a ceramic heating plate 3 is fixedly and tightly installed on the surface of the heating tank 2, a plurality of ceramic heating plates 3 are installed, so as to facilitate uniform heating, the ceramic heating plate 3 is more energy-saving, a driving motor 7 is fixedly installed at the center of the top surface of the heating tank 2, a stirring rod 6 is installed inside the heating tank 2, and the top surface of the stirring rod 6 penetrates through the heating tank 2 and is connected with the output end of the driving motor 7, the bottom surface of the heating tank 2 is connected with a liquid outlet pipe 4 in a through mode, the other end of the top surface of the workbench 1 is fixedly provided with a CT scanner 16 which is common equipment in the field and not described in more detail, a conveyor belt 15 is arranged in the CT scanner 16 in a penetrating mode, when soil macropore flow measurement is carried out, soil to be sampled can be placed in the containing frame 11, the edge of the top surface of the soil to be sampled is sealed with the inner wall of the containing frame 11 through sealant, liquid wax is prevented from leaking from the edge of the soil to be sampled, later development is prevented from being influenced, the containing frame 11 is placed in a water bath 9 to be heated in a water bath mode, the soil to be sampled is kept at a high temperature state, meanwhile, the solid wax is placed in the heating tank 2, the solid wax is heated through thermal radiation of a ceramic heating plate 3 and is melted into liquid, meanwhile, an inorganic developer is placed in the heating tank 2, a driving motor 7 is started to drive a stirring rod 6 to rotate, and the liquid wax and the inorganic developer are mixed, the liquid wax that mixes well drops to sample soil top surface through drain pipe 4, flow in the macropore of sample soil, because sample soil is by water bath heating, liquid wax can not solidify, fully flow in the macropore according to gravity, thereby be full of the macropore of sample soil, when liquid wax is located the liquid level of sample soil top surface no longer changes, take out and hold frame 11, the cooling of stewing, solidify again until liquid wax, can put into conveyer belt 15 one end, carry into CT scanner 16 by conveyer belt 15, carry out the CT scanning, because the inorganic developer that has mixed in the liquid wax, CT scanning imaging is more clear, and simultaneously, because liquid wax surface tension is great, hardly get into the little space of sample soil, consequently, the influence of little space to CT scanning imaging has been reduced, thereby make the survey of macropore flow judge more accurate reliable.
In one embodiment, hold frame 11 and adopt high temperature resistant rigid plastic to make, and hold frame 11 top both sides fixed surface and install handle 12, be convenient for remove and hold frame 11, hold frame 11 and adopt high temperature resistant plastic to make, do not exert an influence to the CT scanning, simultaneously, after the CT scanning, can follow and hold frame 11 and take out the sample soil, soak in aqueous, until sample soil completely breaks away from with solid wax, can obtain the solid model of macroporosity flow, the visual observation of being convenient for, convenient operation is simple.
In one embodiment, the bottom surface in the water bath box 9 is vertically and fixedly provided with a plurality of supporting legs 14, and the supporting legs 14 are uniformly distributed, so that the bottom surface of the containing frame 11 can be conveniently erected, and the water bath heating is more uniform.
In an embodiment, the front vertical surface of the water bath tank 9 is fixedly provided with the temperature controller 17, and the output end of the temperature controller 17 is electrically connected with the input end of the heating rod 10, so as to control the temperature of the water body inside the water bath tank 9 and keep the water body at a constant temperature, which is a common constant temperature control structure and is not described herein in detail.
In one embodiment, a switch valve is installed on the surface of the liquid outlet pipe 4, so as to open and close the liquid outlet pipe 4 conveniently, and the liquid outlet pipe 4 is positioned right above the containing frame 11, so as to facilitate direct discharge of liquid wax.
In one embodiment, a feed hopper 8 is connected to one side of the top surface of the heating tank 2 on the driving motor 7 for feeding solid wax, and a liquid injection pipe 13 is connected to one side surface of the water bath tank 9 for supplying water.
The working principle is as follows:
when the soil macropore flow is measured, soil to be sampled can be placed into the containing frame 11, the edge of the top surface of the soil to be sampled is sealed with the inner wall of the containing frame 11 by using a sealant, liquid wax is prevented from leaking from the edge of the soil to be sampled, so that later development is prevented from being influenced, the containing frame 11 is placed into the water bath box 9 to be subjected to water bath heating, the soil to be sampled is kept at a high temperature state, meanwhile, the solid wax is placed into the heating tank 2 to be heated by heat radiation of the ceramic heating plate 3 so as to be melted into liquid, meanwhile, inorganic developer is placed into the heating tank 2, the driving motor 7 is started to drive the stirring rod 6 to rotate, the liquid wax and the inorganic developer are mixed, the mixed liquid wax falls onto the top surface of the soil to be sampled through the liquid outlet pipe 4 and flows into macropores of the soil to be sampled, and the liquid wax cannot be solidified due to the fact that the soil to be sampled is heated by the water bath and fully flows into the macropores according to gravity, therefore, the sample soil is filled with large pores of the sample soil, when the liquid level of the liquid wax on the top surface of the sample soil is not changed any more, the sample soil is taken out of the containing frame 11, the sample soil is kept stand and cooled until the liquid wax is solidified again, the sample soil can be placed into one end of the conveyor belt 15 and conveyed by the conveyor belt 15 to enter the CT scanner 16 for CT scanning, and because the liquid wax is mixed with an inorganic developer, CT scanning imaging is clearer, meanwhile, because the surface tension of the liquid wax is higher, the liquid wax is difficult to enter small gaps of the sample soil, therefore, the influence of the small gaps on the CT scanning imaging is reduced, and the determination and judgment of large pore flow are more accurate and reliable.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The device for measuring the large pore flow of the soil is characterized by comprising a workbench (1) and a water bath box (9), wherein the water bath box (9) is fixedly arranged on the top surface of the workbench (1), a containing frame (11) is placed inside the water bath box (9), the containing frame (11) penetrates through the opening on the top surface of the water bath box (9), a heating rod (10) is arranged inside the water bath box (9), a heating tank (2) is arranged above the water bath box (9) through a stand column (5) fixing frame, a ceramic heating plate (3) is fixedly and tightly attached to the surface of the heating tank (2), a driving motor (7) is fixedly arranged on the center of the top surface of the heating tank (2), a stirring rod (6) is arranged inside the heating tank (2), the top surface of the stirring rod (6) penetrates through the heating tank (2) and is connected with the output end of the driving motor (7), a liquid outlet pipe (4) is connected to the bottom surface of the heating tank (2), the other end of the top surface of the workbench (1) is fixedly provided with a CT scanner (16), and a conveyor belt (15) is arranged inside the CT scanner (16) in a penetrating and erecting mode.
2. The device for measuring the soil macroporosity flow according to the claim 1, characterized in that, the containing frame (11) is made of high temperature resistant rigid plastic, and the handles (12) are fixedly arranged on the surfaces of the two sides of the top of the containing frame (11).
3. The device for measuring the soil macropore flow according to claim 1, wherein a plurality of support legs (14) are vertically and fixedly arranged on the inner bottom surface of the water bath tank (9), and the support legs (14) are uniformly distributed.
4. The device for measuring the soil macropore flow according to claim 1, wherein a temperature controller (17) is fixedly arranged on the front vertical surface of the water bath tank (9), and the output end of the temperature controller (17) is electrically connected with the input end of the heating rod (10).
5. The device for measuring the soil macroporosity flow according to claim 1, wherein the liquid outlet pipe (4) is provided with a switch valve on the surface, and the liquid outlet pipe (4) is positioned right above the containing frame (11).
6. The device for measuring the soil macropore flow according to claim 1, wherein a feed hopper (8) is connected through the top surface of the heating tank (2) on one side of the driving motor (7), and a liquid injection pipe (13) is connected through the surface of one side of the water bath tank (9).
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| CN202110992121.9A CN113740227A (en) | 2021-08-26 | 2021-08-26 | Survey device that soil macroporosity flows |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110992121.9A CN113740227A (en) | 2021-08-26 | 2021-08-26 | Survey device that soil macroporosity flows |
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