CN209918549U - Soil leaching device - Google Patents
Soil leaching device Download PDFInfo
- Publication number
- CN209918549U CN209918549U CN201920496127.5U CN201920496127U CN209918549U CN 209918549 U CN209918549 U CN 209918549U CN 201920496127 U CN201920496127 U CN 201920496127U CN 209918549 U CN209918549 U CN 209918549U
- Authority
- CN
- China
- Prior art keywords
- soil
- filtering
- container
- dropper
- graduated
- 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)
Abstract
The utility model discloses a soil leaching device, include: a support; at least one washing apparatus, each washing apparatus comprising: the graduated dropper is arranged on the bracket and used for storing leacheate, and a valve is arranged at an outlet at the bottom of the graduated dropper; the filtering container is arranged on the bracket and is positioned below the graduated dripping pipe, the top of the filtering container is opened, the bottom of the filtering container is formed by a filtering net, the top opening of the filtering container corresponds to the bottom outlet of the graduated dripping pipe, and the filtering container is used for storing soil to be leached; and the collecting and filtering device is positioned below the filtering container and is used for collecting and filtering leachate formed after the leacheate is used for leaching soil. Adopt the utility model discloses a drip washing equipment can unify the drip washing operation, and the testing result has stronger accuracy and comparability, need not artifical drip washing and observation, improves work efficiency, avoids the randomness and the uncertainty of manual operation.
Description
Technical Field
The utility model relates to a soil remediation technical field, in particular to soil leaching device.
Background
Interchangeability in soilThe acidity and exchangeable aluminum are important indexes reflecting the acidity of soil, the buffering capacity of acid and alkali resistance and the aluminum toxicity degree, and have important functions on soil improvement, reasonable fertilization guidance and the like. The traditional method for measuring soil exchangeable acidity and exchangeable aluminum is potassium chloride exchange-neutralization titration, namely, 1mol of KCl solution is used for leaching soil samples to ensure that acidity (H) caused by permanent negative charges in soil+And AL3+) Quilt K+Displacing the solution to form a leaching solution. Titrating one part of leachate with sodium hydroxide to obtain soil exchangeable aluminum AL3+And H+The sum of (i.e., exchangeable acidity). Adding an excess of sodium fluoride to another leachate to make AL3+Form [ ALF6]Complexing ions to prevent AL3+Hydrolysis, sodium hydroxide titration, determination of exchangeable H+. Exchangeable acidity and exchangeable property H+The difference is exchangeable aluminum AL3+. In order to ensure sufficient ion exchange, a small amount of KCl solution is used for washing the soil for multiple times as indicated by national standard and row standard. At present, no special leaching device is provided, and soil is leached manually in actual detection. And (3) placing the soil particles in the filter paper on the funnel, eluting the soil particles on the filter paper by a small amount of KCl solution, and continuously adding the KCl solution after the KCl solution on the filter paper is completely infiltrated due to slow filtration speed. Repeated for many times, personnel must frequently observe the filtration condition, add KCl solution, drip washing complex operation, waste time and energy, be unfavorable for batch sample processing. For a small amount of multiple leaching operations, the multiple leaching operations are easily influenced by human factors, and more uncertainties exist, such as different control methods of leaching times, leaching amount each time and leaching interval time, which are difficult to keep uniform, and influence the accuracy and comparability of the measurement result. The soil particles on the filter paper are in a paste shape after being washed for many times, the filtering speed is gradually reduced, and the washing time is prolonged. Under normal conditions, the whole process of leaching the soil sample by 250ml of KCl solution needs 4 hours, and the detection efficiency is low.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a soil washing device to overcome current soil washing and mainly lean on manual operation, intensity of labour is big, and the drip washing is long, and work efficiency is low, and the testing result easily receives the shortcoming that the human factor influenced.
In order to achieve the above object, the utility model provides a soil leaching device, include: a support; at least one washing apparatus, each of the washing apparatuses comprising: the graduated dropper is arranged on the bracket and used for storing leacheate, and a valve is arranged at an outlet at the bottom of the graduated dropper; the filtering container is arranged on the bracket and is positioned below the scale dropper, the top of the filtering container is opened, the bottom of the filtering container is formed by a filtering net, the top opening of the filtering container corresponds to the bottom outlet of the scale dropper, and the filtering container is used for storing soil to be leached; and the collecting and filtering device is positioned below the filtering container and is used for collecting and filtering leachate formed after the leacheate is used for leaching the soil.
Preferably, in the above technical solution, the collection filter device includes a collection bottle and a funnel, the collection bottle has a top opening, the collection bottle is located below the funnel, the top opening of the collection bottle corresponds to the bottom outlet of the funnel, the top inlet of the funnel corresponds to the filter container, and the funnel is provided with filter paper therein.
Preferably, in the above technical solution, the collection bottle is a volumetric flask.
Preferably, in the above technical scheme, a bottom outlet of the graduated dripping tube is provided with a porous dripping head, a top inlet of the porous dripping head is connected with the bottom outlet of the graduated dripping tube, and a plurality of water outlet holes are formed at intervals at the bottom of the porous dripping head.
Preferably, in the above technical solution, the graduated drip tube is mounted on the bracket through a support rod, the bottom of the support rod is connected with the bracket, and the middle upper portion of the support rod is connected with the graduated drip tube through a drip tube clamp.
Preferably, in the above technical solution, the filtering container is conical, and the bottom of the filtering container and the middle-lower part of the sidewall are both formed by the filtering net.
Preferably, in the above technical solution, the filtering container is cylindrical, and the bottom of the filtering container is formed by the filtering net.
Preferably, in the above technical scheme, the top of the filtering container is provided with mounting blocks protruding outwards, the support is provided with at least one mounting hole, the number of the mounting holes corresponds to the number of the leaching devices one to one, the filtering container is sleeved into the corresponding mounting holes from top to bottom, and the mounting blocks of the filtering container are abutted against the edges of the corresponding mounting holes.
Preferably, in the above technical solution, the mounting block is circular, or the mounting block is composed of a plurality of projections, and the plurality of projections are uniformly distributed along the circumferential direction of the filter container.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the support of the utility model is provided with at least one leaching device, which can simultaneously carry out a plurality of soil leaching measurement tests; a graduated dropper of the leaching equipment is convenient for observing and determining the storage amount of the leaching solution, and if the graduated dropper is used for storing 250ml of KCl solution, the soil can be quantitatively leached; a valve is arranged at the bottom outlet of the graduated burette to adjust the flow rate of the KCl solution, the leaching time and the leaching amount of soil can be controlled, and the leaching operation is unified, so that the measurement result has stronger accuracy and comparability, manual leaching and observation are not needed, the manual labor intensity is reduced, the working efficiency is improved, and the randomness and uncertainty of manual operation are avoided; placing the soil in a filtering container, conveying the KCl solution in the graduated dripping pipe into the filtering container, leaching the soil, and replacing AL in the soil3+And H+So as to form a leaching solution, thereby facilitating the subsequent measurement test; after the soil is washed, the soil is filtered for the first time through the filtering container, smaller soil particles flow into the collecting and filtering device along with the leaching solution,collect filter equipment and filter the leachate once more, sieve out less soil particles, obtain comparatively pure leachate, adopt many times the hierarchy filtration, can shorten the filter time, improve detection efficiency.
2. The utility model discloses a collect filter equipment includes receiving flask and funnel, the bottom export of funnel corresponds with the open-top of receiving flask, and be provided with filter paper in the funnel, the KCl solution that carries out from the graduated flask pipe is beaten the soil surface who filters the container continuously, realize the purpose of drip washing soil particles, form the leachate after the soil drip washing, the tiny fraction soil fine particle flows to filter paper along with the leachate, most soil particles still stay in filtering the container, so that be difficult for forming soil mudpaste on the filter paper, thereby make filter paper keep good filtration rate all the time, improve the filter speed.
3. The utility model discloses a bottom export of scale burette is provided with a porous dripper, the top import of porous dripper and the bottom exit linkage of scale burette, and a plurality of apopore has been seted up to porous dripper's bottom spaced to make KCl solution flow from a plurality of apopore simultaneously, increase soil drip washing area, fully drip washing soil particles, the apopore outflow KCl solution's that comes the adjustment porous dripper speed, and is simple and convenient through the aperture of adjusting valve.
Drawings
Fig. 1 is a schematic view of the main structure of a soil washing device according to the present invention.
Fig. 2 is a schematic view of a filter cartridge according to the present invention.
Fig. 3 is another schematic view of the filter container according to the present invention.
Description of the main reference numerals:
1-graduated dropper, 2-dropper clamp, 3-valve, 4-mounting hole, 5-bracket, 6-funnel, 7-collecting bottle, 8-filtering container, 9-supporting rod, 10-mounting block, 11-filtering screen, 12-porous dropper.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 to 3 show a schematic structural view of a soil washing apparatus according to a preferred embodiment of the present invention, which includes a support 5 and at least one washing device. Referring to fig. 1, each washing apparatus comprises a graduated dropper 1, a filtration vessel 8 and a collection filtration means. The graduated dropper 1 is arranged on the bracket 5, the graduated dropper 1 is used for storing the leacheate, and a valve 3 is arranged at an outlet at the bottom of the graduated dropper 1 so as to adjust the flow of the leacheate. The filtering container 8 is arranged on the support 5 and is positioned below the scale dropper 1, the top of the filtering container 8 is open, the bottom of the filtering container 8 is formed by a filtering net 11, the top of the filtering container 8 is open and corresponds to the bottom outlet of the scale dropper 1, and the filtering container 8 is used for storing soil to be leached. The collecting and filtering device is positioned below the filtering container 8 and is used for collecting and filtering leachate formed after the leacheate is used for leaching soil so as to obtain relatively pure leachate. The bracket 5 of the utility model is provided with at least one leaching device, which can simultaneously carry out a plurality of soil leaching measurement tests; the graduated dropper 1 of the leaching equipment is convenient for observing and determining the storage amount of the leaching solution, and if the graduated dropper is used for storing 250ml of KCl solution, the quantitative leaching of the soil can be realized; a valve 3 is arranged at the bottom outlet of the graduated burette 1 to adjust the flow rate of the KCl solution, so that the leaching time and the leaching amount of soil can be controlled, and the leaching operation is unified, so that the measurement result has higher accuracy and comparability, manual leaching and observation are not needed, the manual labor intensity is reduced, the working efficiency is improved, and the randomness and uncertainty of manual operation are avoided; soil is placed in the filtering container 8, the KCl solution in the graduated dropper 1 is conveyed into the filtering container 8, the soil is leached, and AL in the soil is replaced3+And H+So as to form a leaching solution, thereby facilitating the subsequent measurement test; soil drenchAfter washing, the first filtration is carried out through the filtering container 8, smaller soil particles flow into the collecting and filtering device along with the leaching liquid, the collecting and filtering device filters the leaching liquid again, the smaller soil particles are screened out, the relatively pure leaching liquid is obtained, multiple times of layered filtration is adopted, the filtration time is shortened, and the detection efficiency is improved.
With continued reference to fig. 1, preferably, the collection filter means comprises a collection bottle 7 and a funnel 6, the collection bottle 7 is open at the top, the collection bottle 7 is located below the funnel 6, the top opening of the collection bottle 7 corresponds to the bottom outlet of the funnel 6, the top inlet of the funnel 6 corresponds to the filter container 8, and filter paper is disposed in the funnel 6. The KCl solution conveyed from the graduated dropper 1 continuously hits the soil surface of the filter container 8 to realize the purpose of soil leaching, leaching liquid is formed after soil leaching, a small part of soil fine particles flow to the filter paper in the funnel 6 along with the leaching liquid through the filter screen 11, and a large part of soil particles are still left in the filter container 8, so that soil paste is not easy to form on the filter paper, the filter paper keeps a good filtering speed all the time, and the filtering speed is improved. It is further preferred that the collection flask 7 is a volumetric flask and that the bottom outlet of the funnel 6 extends through the top inlet of the volumetric flask into the cavity of the volumetric flask. When the support 5 is erected on a table top, the collecting and filtering device can be placed on the table top or the support 5; when the support 5 is erected on the ground, the collecting and filtering device can be placed on the ground and also on the support 5.
Continuing to refer to fig. 1, preferably, the bottom outlet of the graduated drip tube 1 is provided with a porous dropper 12, the top inlet of the porous dropper 12 is connected with the bottom outlet of the graduated drip tube 1, a plurality of water outlets are formed at the bottom of the porous dropper 12 at intervals, so that the KCl solution can flow out from the water outlets simultaneously, the soil washing area is increased, soil particles are washed sufficiently, the speed of the KCl solution flowing out from the water outlets of the porous dropper 12 is adjusted by adjusting the opening degree of the valve 3, and the graduated drip tube is simple and convenient.
With continued reference to fig. 1, preferably, the graduated dropper 1 is mounted on the bracket 5 through a support rod 9, the bottom of the support rod 9 is connected with the bracket 5, the middle upper part of the support rod 9 is connected with the graduated dropper 1 through a dropper clamp 2 to fix the graduated dropper 1 on the support rod 9, and after the soil washing is completed, the graduated dropper 1 can be taken out by loosening the dropper clamp 2, so that the graduated dropper 1 can be conveniently replaced and cleaned.
Referring to fig. 2 and 3, preferably, the filtering container 8 is conical, and the bottom of the filtering container 8 and the middle-lower part of the side wall are both formed by the filtering net 11; or, the filtering container 8 is cylindrical, and the bottom of the filtering container 8 is formed by the filtering net 11, so that the soil is conveniently leached and filtered. The pore size of the filter screen 11 is 60-400 meshes, preferably, the pore size of the filter screen 11 is 300 meshes, and at the moment, the filtering effect of the filter screen 11 is optimal. Further preferably, the top of the filtering container 8 is provided with a mounting block 10 in an outward protruding manner, the support 5 is provided with at least one mounting hole 4, the number of the mounting holes 4 corresponds to the number of the leaching equipment one by one, the filtering container 8 is sleeved into the corresponding mounting hole 4 from top to bottom, and the mounting block 10 of the filtering container 8 is abutted against the edge of the corresponding mounting hole 4. The installation is simple and convenient. Wherein, the installation piece 10 is the ring shape, perhaps, the installation piece 10 comprises a plurality of lug, and a plurality of lug is along filtering container 8's circumferential direction evenly distributed to the stability of 8 installations of messenger's improvement filtering container.
When the leaching device is used, soil is filled into the filtering container 8, standard amount of leaching solution is contained in the graduated dropper 1, namely 250ml of KCl solution is contained in the graduated dropper 1, and the leaching equipment is installed; the valve 3 of the graduated dropper 1 is adjusted to adjust the flow rate of the KCl solution flowing out of the porous dropper 12 to a proper rate, so that the KCl solution with a plurality of drops continuously hits the soil on the filtering container 8, the purpose of leaching the soil by the KCl solution is realized, and the AL adsorbed by the soil is replaced3+And H+So as to form a leaching solution, thereby facilitating the subsequent measurement test; after the soil is leached, a small part of soil fine particles flow to the filter paper of the funnel 6 below along with the leachate through the filter screen 11 at the bottom of the filter container 8, and most of soil particles are still remained in the filter container 8, so that soil paste is not easy to form on the filter paper, a good filtering speed is always kept, and the leachate can be rapidly filtered into the collection bottle 7. In actual operation, 250The time of the whole process of leaching 5g of soil by using ml of KCl solution and finishing filtration is about 1.5h, which is shortened by 2.5h compared with the existing operation time, the efficiency is improved by 1.6 times, and the time and the labor are saved.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (9)
1. A soil washing apparatus, comprising:
a support;
at least one washing apparatus, each of the washing apparatuses comprising:
the graduated dropper is arranged on the bracket and used for storing leacheate, and a valve is arranged at an outlet at the bottom of the graduated dropper;
the filtering container is arranged on the bracket and is positioned below the scale dropper, the top of the filtering container is opened, the bottom of the filtering container is formed by a filtering net, the top opening of the filtering container corresponds to the bottom outlet of the scale dropper, and the filtering container is used for storing soil to be leached; and
and the collecting and filtering device is positioned below the filtering container and is used for collecting and filtering leachate formed after the leacheate is used for leaching the soil.
2. The soil washing apparatus as claimed in claim 1, wherein the collection filter means comprises a collection bottle and a funnel, the collection bottle is open at the top and is located below the funnel, the collection bottle is open at the top and corresponds to the bottom outlet of the funnel, the funnel is open at the top and corresponds to the filter container, and filter paper is disposed in the funnel.
3. The soil washing apparatus as claimed in claim 2, wherein the collection bottle is a volumetric flask.
4. The soil washing apparatus as claimed in claim 1, wherein a porous dropper is provided at the bottom outlet of the graduated drip tube, the top inlet of the porous dropper is connected to the bottom outlet of the graduated drip tube, and a plurality of water outlet holes are formed at the bottom of the porous dropper at intervals.
5. The soil washing apparatus as claimed in claim 1, wherein the graduated drip tube is mounted on the support via a support rod, the bottom of the support rod being connected to the support, the middle upper portion of the support rod being connected to the graduated drip tube via a drip tube clamp.
6. The soil washing apparatus as claimed in claim 1, wherein the filter container is conical and the bottom and lower part of the side wall of the filter container are formed by the filter screen.
7. The soil washing apparatus as claimed in claim 1, wherein the filter container is cylindrical and the bottom of the filter container is formed by the filter screen.
8. The soil washing device as claimed in claim 6 or 7, wherein the top of the filtering container is provided with mounting blocks protruding outwards, the support is provided with at least one mounting hole, the number of the mounting holes corresponds to the number of the washing devices one by one, the filtering container is sleeved into the corresponding mounting hole from top to bottom, and the mounting blocks of the filtering container are abutted against the edge of the corresponding mounting hole.
9. The soil washing apparatus as claimed in claim 8, wherein the mounting block is circular or is formed by a plurality of projections which are evenly distributed along the circumferential direction of the filter container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920496127.5U CN209918549U (en) | 2019-04-12 | 2019-04-12 | Soil leaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920496127.5U CN209918549U (en) | 2019-04-12 | 2019-04-12 | Soil leaching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209918549U true CN209918549U (en) | 2020-01-10 |
Family
ID=69073361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920496127.5U Expired - Fee Related CN209918549U (en) | 2019-04-12 | 2019-04-12 | Soil leaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209918549U (en) |
-
2019
- 2019-04-12 CN CN201920496127.5U patent/CN209918549U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101975778B (en) | Device and method for detecting water quality stability | |
| CN207133276U (en) | A kind of water quality automatic sampling monitoring system | |
| CN106583231A (en) | Screening device and intelligent rock debris fishing and washing machine | |
| CN108344653B (en) | Device and method for testing scouring resistance of soil body | |
| CN211753971U (en) | Portable test device for researching micro-plastic pollution in atmospheric sedimentation | |
| CN209918549U (en) | Soil leaching device | |
| CN111879566A (en) | Unmanned aerial vehicle carries automatic little plastics sample thief | |
| JP2009240274A (en) | Plankton concentration device and plankton concentration system | |
| CN205898443U (en) | Drip irrigation zone flow simulation monitoring testing arrangement | |
| CN108196036A (en) | One-dimensional island underground water desalination simulation test device and its method | |
| CN211877482U (en) | In-situ water body micro-plastic grading sampling system | |
| CN210322463U (en) | Karst underground river water sample sampling device | |
| CN207937455U (en) | A kind of simulated eluviation device for measuring soil particle state content of beary metal | |
| CN105137036B (en) | A kind of method sieved and prepare SOIL CARBON AND NITROGEN mineralising component | |
| CN113188833B (en) | Ocean sediment detects with prefiltering collection device | |
| CN115452671A (en) | Visual experimental device of rock mass fracture seepage-particle migration and deposition | |
| CN109387616A (en) | A kind of multiple index evaluation method of heavy-metal contaminated soil passivation repairing effect | |
| CN101806790A (en) | Multi-channel fluid distribution device | |
| CN209132265U (en) | A kind of float-sink test system | |
| CN209201909U (en) | It is a kind of suitable for mountain stream, the acquisition device of the planktonic organism in streams | |
| CN102487808A (en) | Method and special device for monitoring epiphytic algae in multiple-sediment river | |
| CN108279190B (en) | Device for simulating solute exchange between soil macropore domain and matrix domain and application method thereof | |
| CN206258356U (en) | A kind of simulation laboratory test Water deep leaching collection device | |
| CN210243291U (en) | Underwater suspended sand enrichment sampling device | |
| CN220729933U (en) | Scale inhibition testing device and hot water circulation scale inhibition testing device |
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: 20200110 Termination date: 20210412 |