CN215180169U - Leaching device for cohesive soil - Google Patents
Leaching device for cohesive soil Download PDFInfo
- Publication number
- CN215180169U CN215180169U CN202120921485.3U CN202120921485U CN215180169U CN 215180169 U CN215180169 U CN 215180169U CN 202120921485 U CN202120921485 U CN 202120921485U CN 215180169 U CN215180169 U CN 215180169U
- Authority
- CN
- China
- Prior art keywords
- valve
- storage tank
- water storage
- leaching
- cohesive soil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model provides a leaching device for cohesive soil, relating to the technical field of leaching devices; the leaching device comprises: the device comprises a leaching column, a first water storage tank, a second valve, a third valve, a fourth valve, a fifth valve and an air compressor; the top of the leaching column is detachably provided with a sealing cover; the sealing cover is provided with a joint communicated with the top of the leaching column; the joint is respectively connected with the second valve and the third valve in a sealing way; the second valve and the third valve are respectively connected with the bottoms of the first water storage tank and the second water storage tank in a sealing way; the top parts of the first water storage tank and the second water storage tank are respectively detachably provided with a first upper cover and a second upper cover; the fourth valve and the fifth valve are respectively communicated with the tops of the first water storage tank and the second water storage tank through the first upper cover and the second upper cover; the fourth valve and the fifth valve are respectively in sealing connection with the air compressor, so that the leaching test time of the cohesive soil is effectively shortened.
Description
Technical Field
The utility model relates to a leaching device technical field especially relates to a leaching device for cohesive soil.
Background
The more good sand bed of permeability that is used to of traditional conventional leaching test device, the top of leaching the post utilizes the ma shi bottle to supply water, utilizes the head difference to carry out the leaching under the action of gravity, nevertheless to the leaching experiment of the relatively poor cohesive soil of permeability, traditional leaching device exists the problem that the infiltration time overlength or can't carry out the infiltration under the low water pressure condition for the leaching experiment about cohesive soil is difficult to go on smoothly.
SUMMERY OF THE UTILITY MODEL
The utility model discloses when aiming at solving and being used for the leaching of cohesive soil with current leaching device experimental, there is the longer or unable permeable technical problem of infiltration time.
The utility model provides a leaching device for cohesive soil, include: the device comprises a leaching column, a first water storage tank, a second valve, a third valve, a fourth valve, a fifth valve and an air compressor; the top of the leaching column is detachably provided with a sealing cover for sealing the top of the leaching column; the sealing cover is provided with a joint communicated with the top of the leaching column; the joint is respectively connected with the second valve and the third valve in a sealing way; the second valve and the third valve are respectively connected with the bottoms of the first water storage tank and the second water storage tank in a sealing way; the tops of the first water storage tank and the second water storage tank are respectively and detachably provided with a first upper cover and a second upper cover; the first upper cover and the second upper cover are respectively used for sealing the tops of the first water storage tank and the second water storage tank; the fourth valve and the fifth valve are respectively communicated with the tops of the first water storage tank and the second water storage tank through the first upper cover and the second upper cover; the fourth valve and the fifth valve are respectively connected with the air compressor in a sealing way; the air compressor is used for pressing the water in the first water storage tank and/or the second water storage tank into the leaching column.
In some preferred embodiments, the bottom of the leaching column is provided with a water outlet pipe; the water outlet pipe is provided with a first valve for opening or closing the water outlet pipe; a filter plate is arranged above the water outlet pipe; the filter plate is used for supporting the cohesive soil in the leaching column and filtering liquid flowing through the cohesive soil.
In some preferred embodiments, a sealing gasket is arranged between the sealing cover and the top of the leaching column, so as to improve the air tightness of the connection between the sealing cover and the leaching column.
In some preferred embodiments, a first pressure gauge is disposed on the first upper cover and used for detecting the air pressure value in the first water storage tank.
In some preferred embodiments, a second pressure gauge is disposed on the second upper cover, and is used for detecting the air pressure value in the second water storage tank.
In some preferred embodiments, the leaching device for cohesive soil further comprises a pressure regulating valve; one end of the pressure regulating valve is communicated with the air compressor, and the other end of the pressure regulating valve is communicated with the fourth valve and the fifth valve respectively.
In some preferred embodiments, the leaching device for cohesive soil further comprises a drying pipe; one end of the drying pipe is communicated with the air compressor, and the other end of the drying pipe is respectively communicated with the fourth valve and the fifth valve; and the drying pipe is filled with a drying agent and used for drying the air entering the first water storage tank and/or the second water storage tank.
In some preferred embodiments, the first water storage tank is made of colorless transparent organic glass; be provided with first scale mark on the lateral wall of first water storage tank for conveniently measure the volume of water in the first water storage tank.
In some preferred embodiments, the second water storage tank is made of colorless transparent organic glass; and a second scale mark is arranged on the outer side wall of the second water storage tank and used for conveniently measuring the volume of water in the second water storage tank.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: the utility model discloses in be used for leaching device of cohesive soil, include: the device comprises a leaching column, a first water storage tank, a second valve, a third valve, a fourth valve, a fifth valve and an air compressor; the top of the leaching column is detachably provided with a sealing cover for sealing the top of the leaching column; the sealing cover is provided with a joint communicated with the top of the leaching column; the joint is respectively connected with the second valve and the third valve in a sealing way; the second valve and the third valve are respectively connected with the bottoms of the first water storage tank and the second water storage tank in a sealing way; the tops of the first water storage tank and the second water storage tank are respectively and detachably provided with a first upper cover and a second upper cover; the first upper cover and the second upper cover are respectively used for sealing the tops of the first water storage tank and the second water storage tank; the fourth valve and the fifth valve are respectively communicated with the tops of the first water storage tank and the second water storage tank through the first upper cover and the second upper cover; the fourth valve and the fifth valve are respectively connected with the air compressor in a sealing way; the air compressor is used for pressing the water in the first water storage tank and/or the second water storage tank into the leaching column; through the arrangement of the first water storage tank and the second water storage tank, the upper end and the lower end of the first water storage tank and the upper end and the lower end of the second water storage tank are respectively communicated with the top of the leaching column and the air compressor, so that the first water storage tank and the second water storage tank are connected in parallel and are respectively connected in series with the leaching column and the air compressor; when the leaching device is used, water for leaching tests is stored in the first water storage tank and the second water storage tank, the air compressor is used for pressing the water stored in the first water storage tank and the second water storage tank into the top of the leaching column, and the water in the leaching column rapidly flows through the cohesive soil in the leaching column under the pressurization effect of the air compressor, so that the permeation time is effectively shortened, and the technical problem that the permeation time is long or the permeation cannot be realized when the existing leaching device is used for leaching tests of the cohesive soil is solved; in addition, the first water storage tank and the second water storage tank are connected in parallel, and when the water storage tank is used, the first water storage tank and the second water storage tank are alternately used by controlling the opening degrees of the second valve, the third valve, the fourth valve and the fifth valve, for example, when the second valve and the fourth valve are opened first, the water in the first water storage tank is pressed into the leaching column through the air compressor, and a leaching test is performed; when the residual water volume in the first water storage tank is not much, open the third valve with the fifth valve, then close the second valve with the fourth valve continues to carry out the leaching test, replenishes water in the first water storage tank, and the water is in turn carried out in proper order for the leaching test can be carried out continuously, avoids leading to the experimental error that the leaching test pauses and arouse because of lack of water midway.
Drawings
Fig. 1 is a schematic structural view of a leaching device for cohesive soil according to an embodiment of the present invention;
FIG. 2 is a schematic view of the leaching column 3 of the leaching apparatus for cohesive soil of FIG. 1;
wherein, 1, a liquid collecting cup; 2. clay soil; 3. a leaching column; 301. a water outlet pipe; 302. a first valve; 303. a filter plate; 304. a sealing gasket; 305. a sealing cover; 306. a joint; 4. a second valve; 5. a third valve; 6. a first water storage tank; 601. a first scale mark; 602. a first upper cover; 7. a second water storage tank; 701. a second scale mark; 702. a second upper cover; 8. a first pressure gauge; 9. a fourth valve; 10. a fifth valve; 11. a second pressure gauge; 12. a pressure regulating valve; 13. a drying tube; 14. an air compressor.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
Referring to fig. 1 and 2, an embodiment of the present invention provides a leaching device for clay soil, including: the device comprises a leaching column 3, a first water storage tank 6, a second water storage tank 7, a second valve 4, a third valve 5, a fourth valve 9, a fifth valve 10 and an air compressor 14; the top of the leaching column 3 is detachably provided with a sealing cover 305 for sealing the top of the leaching column 3; the sealing cover 305 is connected with the top of the leaching column 3 through threads; the sealing cover 305 is provided with a joint 306 communicated with the top of the leaching column 3; the joint 306 is respectively connected with the second valve 4 and the third valve 5 in a sealing way; the second valve 4 and the third valve 5 are respectively connected with the bottoms of the first water storage tank 6 and the second water storage tank 7 in a sealing way; the tops of the first water storage tank 6 and the second water storage tank 7 are respectively and detachably provided with a first upper cover 602 and a second upper cover 702; the first upper cover 602 and the second upper cover 702 are used for sealing the tops of the first water storage tank 6 and the second water storage tank 7 respectively; the first upper cover 602 and the second upper cover 702 are respectively in threaded connection with the first water storage tank 6 and the second water storage tank 7; the fourth valve 9 and the fifth valve 10 are respectively communicated with the tops of the first water storage tank 6 and the second water storage tank 7 through the first upper cover 602 and the second upper cover 702; the fourth valve 9 and the fifth valve 10 are respectively connected with an air compressor 14 in a sealing way; the second valve 4, the first water storage tank 6 and the fourth valve 9 are connected in series; the third valve 5, the second water storage tank 7 and the fifth valve 10 are connected in series; the second valve 4, the first water storage tank 6 and the fourth valve 9 are connected in series and then are connected in parallel with the third valve 5, the second water storage tank 7 and the fifth valve 10; the air compressor 14 is used for pressing the water in the first water storage tank 6 and/or the second water storage tank 7 into the leaching column 3, so that the water in the leaching column 3 flows into the bottom of the leaching column 3 rapidly under the pressurization effect of the air compressor 14.
Specifically, referring to fig. 1, the bottom of the leaching column 3 is funnel-shaped; the bottom of the leaching column 3 is provided with a water outlet pipe 301; a first valve 302 is arranged on the water outlet pipe 301 and used for opening or closing the water outlet pipe 301; a filter plate 303 is arranged above the water outlet pipe 301; the filter plate 303 is used for supporting the cohesive soil 2 in the leaching column 3 and filtering the liquid flowing through the cohesive soil 2; when the filter plate is used, the sealing cover 305 is taken down, and the clay 2 for testing is added into the leaching column 3 from the top of the leaching column 3, so that the clay 2 is uniformly distributed above the filter plate 303.
In the present embodiment, the material of the leaching column 3 is colorless transparent organic glass; the filter plate 303 is a sand core filter plate.
In order to improve the sealing performance between the sealing cover 305 and the top of the leaching column 3, a sealing gasket 304 is arranged between the sealing cover 305 and the top of the leaching column 3; the sealing gasket 304 is a rubber sealing gasket.
Further, referring to fig. 1, in order to detect the air pressure values in the first water storage tank 6 and the second water storage tank 7, respectively, the first upper cover 602 and the second upper cover 702 are provided with a first pressure gauge 8 and a second pressure gauge 11, respectively.
The leaching device for the cohesive soil further comprises a pressure regulating valve 12 and a drying pipe 13; one end of the pressure regulating valve 12 is communicated with one end of the drying pipe 13, and the other end is respectively communicated with the fourth valve 9 and the fifth valve 10; the other end of the drying pipe 13 is communicated with an air compressor 14; the air pressure value in the first water storage tank 6 and/or the second water storage tank 7 can be adjusted through the pressure adjusting valve 12, so that the time for the water in the leaching column 3 to flow through the cohesive soil 2 is adjusted according to the test requirement; the drying duct 13 is filled with a desiccant for drying the air introduced into the first water storage tank 6 and/or the second water storage tank 7.
For example, the desiccant in the drying tube 13 may be allochroic silica gel.
In order to observe the volume of the residual water in the first water storage tank 6 and the second water storage tank 7 conveniently, the first water storage tank 6 and the second water storage tank 7 are both made of colorless transparent organic glass; the outer side walls of the first water storage tank 6 and the second water storage tank 7 are respectively provided with a first scale mark 601 and a second scale mark 701.
The use method of the leaching device for the cohesive soil in the embodiment comprises the following steps:
referring to fig. 1, firstly, the clay 2 for testing is placed in the leaching column 3, the first water storage tank 6 and the second water storage tank 7 are filled with water required for testing, and the leaching device for clay is connected; then, opening the first valve 302, the second valve 4, the fourth valve 9, the pressure regulating valve 12 and the air compressor 14, and collecting the flowing liquid by the liquid collecting cup 1 at certain time intervals when the water in the first water storage tank 6 enters the leaching column 3 and flows out of the water outlet pipe 301; when the residual amount of the water in the first water storage tank 6 is not large, the third valve 5 and the fifth valve 10 are opened, the second valve 4 and the fourth valve 9 are closed, and then the first upper cover 602 is removed to replenish the water in the first water storage tank 6; when the residual amount of the water in the second water storage tank 7 is not large, the second valve 4 and the fourth valve 9 are opened, the third valve 5 and the fifth valve 10 are closed, and then the second upper cover 702 is removed to supplement the water in the second water storage tank 7; and the steps are carried out alternately in sequence until the leaching test is finished.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A leaching device for cohesive soil, comprising: the device comprises a leaching column, a first water storage tank, a second valve, a third valve, a fourth valve, a fifth valve and an air compressor; the top of the leaching column is detachably provided with a sealing cover for sealing the top of the leaching column; the sealing cover is provided with a joint communicated with the top of the leaching column; the joint is respectively connected with the second valve and the third valve in a sealing way; the second valve and the third valve are respectively connected with the bottoms of the first water storage tank and the second water storage tank in a sealing way; the tops of the first water storage tank and the second water storage tank are respectively and detachably provided with a first upper cover and a second upper cover; the first upper cover and the second upper cover are respectively used for sealing the tops of the first water storage tank and the second water storage tank; the fourth valve and the fifth valve are respectively communicated with the tops of the first water storage tank and the second water storage tank through the first upper cover and the second upper cover; the fourth valve and the fifth valve are respectively connected with the air compressor in a sealing way; the air compressor is used for pressing the water in the first water storage tank and/or the second water storage tank into the leaching column.
2. The leaching device for cohesive soil according to claim 1, wherein a water outlet pipe is arranged at the bottom of the leaching column; the water outlet pipe is provided with a first valve for opening or closing the water outlet pipe; a filter plate is arranged above the water outlet pipe; the filter plate is used for supporting the cohesive soil in the leaching column and filtering liquid flowing through the cohesive soil.
3. The leaching apparatus for cohesive soil according to claim 1, wherein a sealing gasket is disposed between the sealing cover and the top of the leaching column for improving air tightness of the connection between the sealing cover and the leaching column.
4. The leaching device for the cohesive soil according to claim 1, wherein a first pressure gauge is arranged on the first upper cover and used for detecting the air pressure value in the first water storage tank.
5. The leaching device for the cohesive soil according to claim 1, wherein a second pressure gauge is arranged on the second upper cover and used for detecting the air pressure value in the second water storage tank.
6. The leaching apparatus for cohesive soil according to claim 1, further comprising a pressure regulating valve; one end of the pressure regulating valve is communicated with the air compressor, and the other end of the pressure regulating valve is communicated with the fourth valve and the fifth valve respectively.
7. The leaching apparatus for cohesive soil according to claim 1, further comprising a drying tube; one end of the drying pipe is communicated with the air compressor, and the other end of the drying pipe is respectively communicated with the fourth valve and the fifth valve; and the drying pipe is filled with a drying agent and used for drying the air entering the first water storage tank and/or the second water storage tank.
8. The leaching device for the cohesive soil according to claim 1, wherein the first water storage tank is made of colorless transparent organic glass; be provided with first scale mark on the lateral wall of first water storage tank for conveniently measure the volume of water in the first water storage tank.
9. The leaching device for the cohesive soil according to claim 1, wherein the second water storage tank is made of colorless transparent organic glass; and a second scale mark is arranged on the outer side wall of the second water storage tank and used for conveniently measuring the volume of water in the second water storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120921485.3U CN215180169U (en) | 2021-04-29 | 2021-04-29 | Leaching device for cohesive soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120921485.3U CN215180169U (en) | 2021-04-29 | 2021-04-29 | Leaching device for cohesive soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215180169U true CN215180169U (en) | 2021-12-14 |
Family
ID=79365583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120921485.3U Expired - Fee Related CN215180169U (en) | 2021-04-29 | 2021-04-29 | Leaching device for cohesive soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215180169U (en) |
-
2021
- 2021-04-29 CN CN202120921485.3U patent/CN215180169U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106501155A (en) | Rock core gas liquid two purpose permeability test device and reservoir damage evaluation method | |
| CN203191284U (en) | Porous material permeability coefficient tester | |
| KR200438330Y1 (en) | Sample holder for permeability test | |
| CN106706500A (en) | Device for determining permeability of concrete | |
| CN101201286A (en) | Device for testing product hermeticity | |
| CN110940613A (en) | Simulation experiment device for carbon isotope analysis in shale gas release process | |
| CN112858139A (en) | Multi-connected flexible wall permeameter injected with infinite volume under graded confining pressure and test method | |
| CN202366624U (en) | Hollow fiber membrane yarn water flux and bubble pressure integration testing device | |
| CN206161487U (en) | Survey device of concrete osmotic coefficient | |
| CN207662563U (en) | A kind of watertightness test device | |
| CN106248551B (en) | Lateral sectional sampling undisturbed clay ultrafiltration test device | |
| CN215180169U (en) | Leaching device for cohesive soil | |
| CN206710263U (en) | A kind of infiltrative test instrument for studying soil | |
| CN109490150A (en) | Heterogeneous soils hole predominant current simulation experiment method and device | |
| CN206192840U (en) | Dual -purpose permeability testing arrangement of rock core gas -liquid | |
| CN109187098A (en) | A kind of paddy soil renovation agent sampler | |
| CN208091868U (en) | The circulation experiment device of porosity, specific yield and infiltration coefficient can be measured simultaneously | |
| CN107144514A (en) | A kind of device tested for the radial penetration of cylinder hollow soil sample and application method | |
| CN205103133U (en) | Bentonite infiltration coefficient measurement appearance | |
| CN204583220U (en) | A kind of reagent bottle of volatile dangerous medicament | |
| CN207623199U (en) | It is a kind of can water distribution uniformity simulation water lithofacies interaction experimental provision | |
| CN206281755U (en) | Porous pavement and the dual-purpose instrument for measuring permeability coefficient of test specimen | |
| CN114923833A (en) | High infiltration concrete osmotic coefficient's survey device | |
| CN112683746B (en) | Device and method for measuring effective stress conversion rate of slurry film forming | |
| CN205317409U (en) | Pore pressure cell calibration system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |