CN114152553A - Leaching experiment device and leaching experiment liquid taking method - Google Patents
Leaching experiment device and leaching experiment liquid taking method Download PDFInfo
- Publication number
- CN114152553A CN114152553A CN202111453006.0A CN202111453006A CN114152553A CN 114152553 A CN114152553 A CN 114152553A CN 202111453006 A CN202111453006 A CN 202111453006A CN 114152553 A CN114152553 A CN 114152553A
- Authority
- CN
- China
- Prior art keywords
- leaching
- liquid
- cavity
- connecting pipe
- tank
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 215
- 238000002386 leaching Methods 0.000 title claims abstract description 202
- 238000002474 experimental method Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000005192 partition Methods 0.000 claims abstract description 21
- 238000005070 sampling Methods 0.000 claims description 49
- 239000002245 particle Substances 0.000 claims description 47
- 239000011435 rock Substances 0.000 claims description 34
- 230000002572 peristaltic effect Effects 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 238000001802 infusion Methods 0.000 claims description 4
- 230000003203 everyday effect Effects 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000011068 loading method Methods 0.000 claims description 2
- 238000007873 sieving Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims 1
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 239000002352 surface water Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 2
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth 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
- G01N2015/084—Testing filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a leaching experiment device and a leaching experiment liquid taking method, wherein the leaching experiment device comprises a first liquid storage tank, a second liquid storage tank, a leaching column, a leaching box and a first liquid taking tank; the first liquid storage tank is connected with the leaching column through a first connecting pipe, the leaching column is connected with the leaching box through a second connecting pipe, the second liquid storage tank is connected with the leaching box through a third connecting pipe, and the leaching box is communicated with the first liquid taking tank through a fourth connecting pipe; a partition plate, a first cavity and a second cavity communicated with the first cavity are arranged in the leaching box, and the partition plate is positioned between the first cavity and the second cavity; the second connecting pipe is communicated with the first cavity, the third connecting pipe is communicated with the first cavity, the fourth connecting pipe is communicated with the second cavity, and liquid entering the first cavity through the second connecting pipe and the third connecting pipe flows into the first liquid taking tank through the second cavity. The first liquid taking tank is convenient for liquid taking, the reaction of running water in the underground reservoir under various factors is simulated through the leaching columns and the leaching boxes, and the obtained experimental data are more real and accurate.
Description
Technical Field
The invention relates to the technical field of underground water environment analysis, in particular to a leaching experiment device and a leaching experiment liquid taking method.
Background
The service range of water-rock interaction is more widely used in the research of mine underground water environmental problems, and the processes of water-rock interaction related to coal mines comprise water leaching, leaching and washing.
The existing tailing leaching device for simulating the water-rock effect comprises a base, a support and leaching columns, wherein the support is connected to the base, and a plurality of leaching columns are installed on the support. The tailings leaching device is difficult to sample, cannot truly reduce the water and rock action environment of the underground reservoir, cannot be comprehensively considered, and influences the accuracy of a final experiment.
In view of the above, improvements are needed.
Disclosure of Invention
The invention aims to provide a leaching experiment device and a leaching experiment liquid taking method which are convenient to operate and improve experiment accuracy.
The leaching experimental device provided by the technical scheme of the invention comprises a first liquid storage tank, a second liquid storage tank, a leaching column, a leaching box and a first liquid taking tank; the first liquid storage tank is connected with the leaching column through a first connecting pipe, the leaching column is connected with the leaching box through a second connecting pipe, the second liquid storage tank is connected with the leaching box through a third connecting pipe, and the leaching box is communicated with the first liquid taking tank through a fourth connecting pipe; a partition plate, a first cavity and a second cavity communicated with the first cavity are arranged in the leaching box, and the partition plate is positioned between the first cavity and the second cavity; the second connecting pipe is communicated with the first cavity, the third connecting pipe is communicated with the first cavity, the fourth connecting pipe is communicated with the second cavity, and liquid entering the first cavity through the second connecting pipe and the third connecting pipe flows into the first liquid taking tank through the second cavity.
The second liquid taking tank is connected with the leaching box through a fifth connecting pipe; the first cavity is communicated with the second cavity through a third cavity, and the fifth connecting pipe is communicated with the third cavity.
Furthermore, a first sampling nozzle and a second sampling nozzle are arranged on the leaching box, the first sampling nozzle is communicated with the first cavity, and the second sampling nozzle is communicated with the second cavity.
Furthermore, a water distributor is arranged in the leaching tank, is positioned above the partition plate and is connected with the second connecting pipe; the water distributor comprises a liquid inlet pipe connected with the second connecting pipe and a first liquid distribution pipe connected with the liquid inlet pipe; a plurality of first nozzles are arranged on the first liquid distribution pipe at intervals, and the first nozzles face the first cavity.
Furthermore, the water distributor also comprises a second liquid distribution pipe, and the second liquid distribution pipe is connected with the liquid inlet pipe; a plurality of second nozzles are arranged on the second liquid distribution pipe at intervals, and the second nozzles face the second cavity.
Furthermore, the leaching column is provided with a filtering cavity for placing rocks, the first connecting pipe is communicated with the upper end of the filtering cavity, and the second connecting pipe is communicated with the lower end of the filtering cavity; a plurality of liquid taking holes are arranged on the leaching column at intervals and communicated with the filtering cavity.
Furthermore, a plurality of placing openings are arranged on the leaching column at intervals, and the placing openings are communicated with the filtering cavity.
Further, a filter plate is arranged in the filter cavity.
Further, a peristaltic pump is connected to the first connecting pipe, the second connecting pipe and/or the third connecting pipe.
The leaching experiment liquid taking method provided by the technical scheme of the invention comprises the liquid taking step of carrying out the liquid taking experiment by using any one leaching experiment device, the liquid taking step is as follows,
s01, crushing the collected rock sample to form sample particles;
s02, cleaning the sample particles, removing impurities on the sample particles, and then drying;
s03: loading a portion of the sample particles into the leaching column and a portion of the sample particles into the leaching tank;
s04: starting a peristaltic pump, enabling the liquid in the first liquid storage pump to enter the leaching box through the leaching column, and enabling the liquid in the second liquid storage pump to enter the leaching box;
s05: and taking out the sampling liquid flowing out of the leaching tank.
Further, the method also comprises a screening step of S011: and screening the sample particles to obtain particles with the size fraction of 3-8 mm.
Further, the sample particles when dried comprise, S021: the sample pellets were dried in a constant temperature drying oven set at 50 ℃ for 12 hours.
Further, the method also includes a step of adjusting the peristaltic pump when the peristaltic pump is started, and the step of S041: and adjusting the infusion flow of the peristaltic pump, wherein the infusion flow is 0ml/d-500 ml/d.
Further, the step of sampling is included when the sampling liquid is taken out, S051: the total sampling time is 60 days, the sampling liquid is obtained once every day in the first 10 days, the sampling liquid is obtained once every two days from the 10 th day to the 30 th day, and the sampling liquid is obtained once every 5 days from the 30 th day to the 60 th day.
By adopting the technical scheme, the method has the following beneficial effects:
according to the leaching experimental device and the leaching experimental liquid taking method provided by the invention, various water sources such as surface incoming water, fracture water and the like are simulated by arranging the leaching columns and the leaching boxes, so that the condition that various factors are more fit for real reaction of flowing water and rocks in the underground reservoir is integrated, and the result obtained by the experiment is more real and accurate. The reacted liquid enters the first liquid taking tank, so that the sampling of workers is facilitated. The structure of the leaching box is enriched by the partition plate, the interaction between the underground reservoir and the reservoir is simulated, and the accuracy of experimental data is further improved.
Drawings
FIG. 1 is a schematic diagram of a leaching experimental apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of a leaching column according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a leaching column in accordance with an embodiment of the present invention;
FIG. 4 is a schematic view of a leaching tank according to an embodiment of the present invention;
FIG. 5 is a schematic view of a leaching tank and a water distributor according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a step of a leaching experiment liquid extraction method according to an embodiment of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings.
It is easily understood that according to the technical solution of the present invention, those skilled in the art can substitute various structures and implementation manners without changing the spirit of the present invention. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical aspects of the present invention, and should not be construed as limiting or restricting the technical aspects of the present invention.
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like referred to or may be referred to in this specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed correspondingly according to the position and the use state of the device. Therefore, these and other directional terms should not be construed as limiting terms.
As shown in fig. 1-5, a leaching experimental apparatus 10 according to an embodiment of the present invention includes a first liquid tank 1, a second liquid tank 2, a leaching column 3, a leaching tank 4, and a first liquid taking tank 5.
First liquid storage pot 1 is connected with leaching column 3 through first connecting pipe 11, and leaching column 3 is connected with leaching box 4 through second connecting pipe 31, and second liquid storage pot 2 is connected with leaching box 4 through third connecting pipe 21, and leaching box 4 communicates with first fluid reservoir 5 of getting through fourth connecting pipe 51.
A partition plate 41, a first cavity 42 and a second cavity 43 communicated with the first cavity 42 are arranged in the leaching tank 4, and the partition plate 41 is positioned between the first cavity 42 and the second cavity 43.
The second connecting pipe 31 is communicated with the first cavity 42, the third connecting pipe 21 is communicated with the first cavity 42, the fourth connecting pipe 51 is communicated with the second cavity 43, and the liquid entering the first cavity 42 through the second connecting pipe 31 and the third connecting pipe 21 flows into the first liquid taking tank 5 through the second cavity 43.
The leaching experimental device 10 is used for simulating the reaction of flowing water and rocks in an underground reservoir to obtain a water liquid after the reaction.
The leaching experimental device 10 comprises a first liquid storage tank 1, a second liquid storage tank 2, a leaching column 3, a leaching box 4, a first liquid taking tank 5, a first connecting pipe 11, a second connecting pipe 31, a third connecting pipe 21 and a fourth connecting pipe 51. The first connecting pipe 11 is connected between the first liquid storage pipe and the leaching column 3, so that the liquid in the first liquid storage tank 1 can enter the leaching column 3. The second connecting pipe 31 is connected between the leaching column 3 and the leaching tank 4, so that the liquid in the leaching column 3 can enter the leaching tank 4. The third connecting pipe 21 is connected between the second liquid storage tank 2 and the leaching tank 4, so that the liquid in the second liquid storage tank 2 can enter the leaching tank 4. The fourth connection pipe 51 is connected between the leaching tank 4 and the first liquid-collecting tank 5, and allows the liquid in the leaching tank 4 to enter the first liquid-collecting tank 5.
The leaching column 3 is used for simulating surface water coming from the underground reservoir, and the leaching box 4 is used for simulating fracture water in the underground reservoir. Specifically, rock samples are placed in the leaching columns 3 and the leaching boxes 4, liquid water is stored in the first liquid storage tank 1 and the second liquid storage tank 2, and mine water is stored in the first liquid storage tank 1 and the second liquid storage tank 2 in order to better meet the actual environment in the embodiment. Liquid water in the first liquid storage tank 1 enters the leaching column 3 through the first connecting pipe 11, and then enters the leaching box 4 through the second connecting pipe 31 after passing through the rock sample in the leaching column 3. The liquid water simulates surface water by reacting with the rock sample in the leaching column 3. The liquid in the second liquid storage tank 2 enters the leaching tank 4 through the third connecting pipe 21, and the liquid entering the leaching tank 4 enters the first liquid taking tank 5 through the fourth connecting pipe 51 after passing through the rock sample in the leaching tank 4. The liquid in the leaching tank 4 reacts with the rock sample in the leaching tank 4 simulating fracture water. The condition factors in the experiment are enriched by the arrangement, so that the experimental process is closer to the real reaction condition of the flowing water and the rocks in the underground reservoir, the effect between the flowing water and the rocks in the underground reservoir can be more accurately analyzed, and the experimental effect is improved. On first fluid reservoir 5 and leaching case 4, so avoid installing on vertical arrangement's leaching column 3, reduced the height when the staff gets liquid, make things convenient for the staff to collect.
A partition plate 41 is arranged in the leaching tank 4, one end of the partition plate 41 is connected with the side wall of the leaching tank 4, and the other end is spaced from the other opposite side wall. The inner part of the leaching tank 4 is divided into a first cavity 42 and a second cavity 43 by the partition plate 41, one end of the first cavity 42 is communicated with the third connecting pipe 21, the other end is communicated with one end of the second cavity 43, and the other end of the second cavity 43 is communicated with the fourth connecting pipe 51. The second connection pipe 31 is positioned above the partition plate 41, and the liquid flowing out of the second connection pipe 31 can enter the first chamber 42 or the second chamber 43. So set up, the baffle 41 will drench and filter the incasement and has divided into two parts in the case 4, in the liquid in the case 4 of drenching flowed into second cavity 43 and then flowed into first fluid reservoir 5 from first cavity 42, the simulation had further richened the condition factor of experiment except the environment in groundwater reservoir and storehouse like this, more accorded with actual conditions.
Alternatively, the leaching experimental device 10 can also change the adjustment condition factors to obtain the liquid under different condition factors. For example, to simulate only surface incoming water or only fracture water. When only the surface water needs to be simulated, the second liquid storage tank 2 is closed or the second liquid storage tank 2 is empty and does not store liquid water. When only crack water needs to be simulated, the first liquid storage tank 1 is closed or the first liquid storage tank 1 is an empty tank and does not store liquid water. Therefore, the staff can adjust and select according to actual needs, and the use is more convenient.
In one embodiment, as shown in fig. 1, a second liquid-taking tank 6 is further included, and the second liquid-taking tank 6 is connected to the leaching tank 4 through a fifth connecting pipe 61. The first chamber 42 communicates with the second chamber 43 through the third chamber 44, and the fifth connection pipe 61 communicates with the third chamber 44.
Specifically, the leaching experimental apparatus 10 further includes a second liquid-taking tank 6 and a fifth connection pipe 61. The baffle plate 41 separates the leaching tank 4 to form a first cavity 42, a second cavity 43 and a third cavity 44, wherein one end of the third cavity 44 is communicated with the first cavity 42, and the other end is communicated with the second cavity 43. The liquid in the drip chamber 4 flows from the first chamber 42 into the third chamber 44 and then into the second chamber 43. One end of the fifth connecting pipe 61 is communicated with the third cavity 44, and the other end is communicated with the second liquid taking tank 6, so that the liquid at the third cavity 44 can be obtained, the sampling position is increased, and different experimental data can be conveniently provided for the working personnel.
In one embodiment, as shown in fig. 1 and 4-5, the leaching tank 4 is provided with a first sampling nozzle 45 and a second sampling nozzle 46, the first sampling nozzle 45 is communicated with the first cavity 42, and the second sampling nozzle 46 is communicated with the second cavity 43.
Specifically, a first sampling nozzle 45 is disposed on the side wall of the leaching tank 4, and the first sampling nozzle 45 is communicated with the first cavity 42. A second sampling nozzle 46 is provided on the opposite side wall, the second sampling nozzle 46 communicating with the second chamber 43. The leaching experimental apparatus 10 further includes a third liquid-taking tank (not shown), and the third liquid-taking tank is connected to the first sampling nozzle 45 or the second sampling nozzle 46, or the first sampling nozzle 45 and the second sampling nozzle 46 are respectively connected to a third liquid-taking tank. When it is desired to access the liquid in the first chamber 42, the first sampling nozzle 45 is opened. When it is desired to access the liquid in the second cavity 43, the second sampling nozzle 46 is opened.
Optionally, a plurality of first sampling nozzles 45 and a plurality of second sampling nozzles 46 are arranged on the leaching tank 4 at intervals, the distance between any two adjacent first sampling nozzles 45 is equal, and the distance between any two adjacent second sampling nozzles 46 is equal. Thus, liquid at different positions can be taken.
In one embodiment, as shown in fig. 1 and fig. 4-5, a water distributor 7 is disposed in the leaching tank 4, and the water distributor 7 is located above the partition plate 41 and connected to the second connecting pipe 31. The water distributor 7 includes a liquid inlet pipe 71 connected to the second connection pipe 31 and a first liquid distribution pipe 72 connected to the liquid inlet pipe 71. A plurality of first nozzles 721 are arranged on the first liquid distribution pipe 72 at intervals, and the first nozzles 721 face the first cavity 42.
Specifically, the water distributor 7 is composed of a liquid inlet pipe 71 and a first liquid distribution pipe 72, the liquid inlet pipe 71 is communicated with the second connecting pipe 31, and the first liquid distribution pipe 72 is communicated with the liquid inlet pipe 71. The liquid flowing out from the second connection pipe 31 enters the first liquid distribution pipe 72 through the liquid inlet pipe 71. A plurality of first nozzles 721 are arranged on the first liquid distribution pipe 72 at intervals, and the distance between any two adjacent first nozzles 721 is equal. The first nozzle 721 faces the first cavity 42, and the liquid in the first liquid distribution pipe 72 drops into the first cavity 42 through the first nozzle 721. So that the liquid flowing out of the second connection pipe 31 can uniformly flow into the first chamber 42.
In one embodiment, as shown in fig. 1 and fig. 4-5, the water distributor 7 further includes a second liquid distribution pipe 73, and the second liquid distribution pipe 73 is connected to the liquid inlet pipe 71. The second liquid distribution pipe 73 is provided with a plurality of second nozzles 731 at intervals, and the second nozzles 731 face the second chamber 43.
Specifically, the second liquid distribution pipe 73 is located at one side of the first liquid distribution pipe 72, and the second liquid distribution pipe 73 is communicated with the liquid inlet pipe 71. A part of the liquid flowing out from the liquid inlet pipe 71 enters the first liquid distribution pipe 72, and the other part of the liquid enters the second liquid distribution pipe 73. The second liquid distribution pipe 73 is provided with a plurality of second nozzles 731 at intervals, and the distance between any two adjacent second nozzles 731 is equal. The second nozzle 731 is connected to the second chamber 43, and the liquid in the second liquid distribution pipe 73 flows into the second chamber 43 through the second nozzle 731. The liquid flowing out of the second connection pipe 31 can uniformly flow into the second chamber 43.
Alternatively, the head ends of first liquid distribution pipe 72 and second liquid distribution pipe 73 are connected to liquid inlet pipe 71 at the same time, and the tail ends of first liquid distribution pipe 72 and second liquid distribution pipe 73 are connected to each other.
In one embodiment, as shown in fig. 1-3, the leaching column 3 has a filter chamber 32 for placing rocks, a first connection pipe 11 is communicated with the upper end of the filter chamber 32, and a second connection pipe 31 is communicated with the lower end of the filter chamber 32. A plurality of liquid taking holes 33 are arranged on the leaching column 3 at intervals, and the liquid taking holes 33 are communicated with the filtering cavity 32.
In particular, the leaching column 3 has a filter chamber 32, and in use a rock sample is placed in the filter chamber 32. The upper end of the leaching column 3 is provided with a first connecting nozzle, and the first connecting pipe 11 is connected with the first connecting nozzle. The lower end of the leaching column 3 is provided with a second connecting nozzle, and the second connecting pipe 31 is connected with the second connecting nozzle. Liquid entering the leaching column 3 from the first connecting pipe 11 flows downwards into the second connecting pipe 31 under the action of gravity. Be provided with a plurality of liquid holes 33 on the leaching column 3, liquid holes 33 are vertically arranged at interval, and the distance between two arbitrary adjacent liquid holes 33 is equal. The operator can collect liquid from one of the liquid extraction holes 33 to detect the reaction of the liquid with the rock sample in the leaching column 3.
In one embodiment, as shown in fig. 1-3, a plurality of placing ports 34 are provided at intervals on the leaching column 3, and the placing ports 34 are communicated with the filtering cavity 32. The placing openings 34 are arranged at intervals in the vertical direction, and workers can take out rock samples from different placing openings 34 to detect or replace the rock samples with another rock sample according to needs.
Optionally, a perforated plate having through holes is disposed in the filter chamber 32, the perforated plate is located between the two placing ports 34 to separate the filter chamber 32 into two chambers, and the placing ports 34 are communicated with the corresponding chambers.
In one embodiment, as shown in FIGS. 1-3, a filter plate 35 is disposed within the filter chamber 32. The filter plate 35 is installed in the filter chamber 32, and when a rock sample is placed in the filter chamber 32, the filter plate 35 is located above the rock sample. Liquid enters the filter chamber 32 from the second connecting pipe 31 and then is filtered by the filter plate 35, impurities in the liquid are discharged, and the influence on experimental data is reduced.
In one embodiment, as shown in fig. 1, a peristaltic pump 8 is connected to the first connection tube 11, the second connection tube 31 and/or the third connection tube 21.
The peristaltic pump 8 consists of a driver, a pump head and a hose. The peristaltic pump 8 acts like a finger pinching a fluid filled hose, moving forward as the finger slides forward the fluid in the tube. The peristaltic pump 8 is also a principle that only the finger is replaced by a roller. The fluid is pumped by alternately squeezing and releasing the elastic delivery hose of the pump. During the conveying, a section of pump pipe between two rotating rollers forms a pillow-shaped fluid. The peristaltic pump 8 is used for controlling the flowing speed of the liquid, so that the condition that the liquid permeates and flows into the rock stratum is simulated, the rock stratum can better meet the actual condition, and surface water and fracture water can be better simulated.
Wherein, a peristaltic pump 8 is provided on any one of the first connecting tube 11, the second connecting tube 31 and the third connecting tube 21. The peristaltic pump 8 may be provided on at least any two of the first connection tube 11, the second connection tube 31, and the second connection tube 31. In the present embodiment, the peristaltic pump 8 is provided on each of the first connection tube 11, the second connection tube 31 and the third connection tube 21.
Referring to fig. 1-6, a leaching experiment liquid-taking method according to an embodiment of the present invention includes a liquid-taking step of a leaching experiment performed by using the leaching experiment apparatus 10 of any one of the above embodiments, the liquid-taking step includes,
s01: the collected rock sample is crushed to form sample particles.
S02: the sample particles are washed to remove impurities from the sample particles and then dried.
S03: a portion of the sample particles is loaded into the leaching column 3 and a portion of the sample particles is loaded into the leaching tank 4.
S04: the peristaltic pump 8 is started, the liquid in the first liquid storage pump enters the leaching tank 4 through the leaching column 3, and the liquid in the second liquid storage pump enters the leaching tank 4.
S05: the sample liquid from the interior of the leaching tank 4 is withdrawn.
According to the leaching experiment liquid taking method, the leaching experiment device 10 is adopted for liquid taking, and the obtained liquid is closer to the situation of the liquid in the actual underground reservoir, so that the analyzed data is more accurate. For the detailed structure and function of the leaching experimental apparatus 10, please refer to the related descriptions in the foregoing, and the detailed description thereof is omitted.
The liquid taking method for the leaching experiment comprises the following steps of firstly, correspondingly collecting rocks in an environment to be researched according to needs, and crushing collected rock samples to form sample particles. And screening the sample particles after obtaining the sample particles, and screening out the sample particles with the size required by the experiment. And then, washing the sample particles by using deionized water during washing. And drying the sample particles after removing impurities such as soil in the sample particles. After drying, 3-5kg of sample particles are placed in the leaching column 3, and 5-10kg of sample particles are placed in the leaching box 4. The peristaltic pump 8 on the first connecting tube 11, the second connecting tube 31 and the third connecting tube 21 is then switched on. Then, the sample liquid is obtained at the corresponding position using the first liquid take-up tank 5 or the second liquid take-up tank 6 as needed. The leaching columns 3 and the leaching boxes 4 respectively simulate surface incoming water and fissure water, the partition plates 41 in the leaching boxes 4 also simulate the interaction between the reservoir and the reservoir, and the real water inlet and outlet environments in the underground reservoir under the combined action of different incoming water are fully restored, so that the experimental result is more real and accurate, and the influence factors influencing the underground mine water purification can be comprehensively analyzed.
In one embodiment, as shown in fig. 1-6, the method further comprises a sieving step for the sample particles, wherein S011: and (4) screening the sample particles to obtain particles with the size fraction of 3-8 mm. The sample particles required for the experiment were 3-8mm in size. So liquid water can fully react with the sample particles when passing through the leaching column 3 and the leaching box 4, thereby truly reflecting the influence of the rocks on water in reality.
In one embodiment, as shown in fig. 1-6, the sample particles are dried by a method comprising, S021: the sample pellets were dried in a constant temperature oven set at 50 ℃ for 12 hours. The cleaned sample particles are placed in a constant-temperature drying box for drying, so that the sample particles can be prevented from being polluted again. The temperature is set to 50 ℃ to reduce the influence of the temperature on the particle quality of the sample. And the drying time is 12 hours, so that the moisture in the sample particles can be fully reduced, the influence of the moisture on the sample particles is reduced, and the final experimental data is prevented from being interfered.
In one embodiment, as shown in fig. 1-6, the step of activating peristaltic pump 8 further includes the step of adjusting peristaltic pump 8, S041: the transfusion flow rate of the peristaltic pump 8 is adjusted to be 0ml/d-500 ml/d. The transfusion flow of the peristaltic pump 8 is set to be 0ml/d-500ml/d, so that the real water flow speed can be well restored, and the mine water can stably infiltrate.
In one embodiment, as shown in fig. 1 to 6, the sampling step is included when the sampling liquid is taken out, S051: the total sampling time is 60 days, sampling liquid is obtained once every day in the first 10 days, sampling liquid is obtained once every two days from the 10 th day to the 30 th day, and sampling liquid is obtained once every 5 days from the 30 th day to the 60 th day. So set up the sample liquid that can fully acquire different times and carry out the analysis, acquire sufficient experimental data to the sample liquid to different times carries out comparative analysis.
In summary, the present invention provides a leaching experimental apparatus 10 and a leaching experimental liquid extraction method. The leaching experimental device 10 comprises a first liquid storage tank 1, a second liquid storage tank 2, a leaching column 3, a leaching box 4 and a first liquid taking tank 5. First liquid storage pot 1 is connected with leaching column 3 through first connecting pipe 11, and leaching column 3 is connected with leaching box 4 through second connecting pipe 31, and second liquid storage pot 2 is connected with leaching box 4 through third connecting pipe 21, and leaching box 4 communicates with first fluid reservoir 5 of getting through fourth connecting pipe 51. A partition plate 41, a first cavity 42 and a second cavity 43 communicated with the first cavity 42 are arranged in the leaching tank 4, and the partition plate 41 is positioned between the first cavity 42 and the second cavity 43. The second connecting pipe 31 is communicated with the first cavity 42, the third connecting pipe 21 is communicated with the first cavity 42, the fourth connecting pipe 51 is communicated with the second cavity 43, and the liquid entering the first cavity 42 through the second connecting pipe 31 and the third connecting pipe 21 flows into the first liquid taking tank 5 through the second cavity 43. The leaching column 3 and the leaching box 4 in the leaching experimental device 10 respectively simulate surface incoming water and fracture water, and fully simulate real water-rock action environment, so that workers can comprehensively analyze the action between mine water of the underground reservoir and caving rocks of a goaf by multiple factors. The baffle 41 in the leaching box 4 enables the leaching box 4 to simulate the action between the reservoirs in the underground reservoir, and restores the real water inlet and outlet environment in the reservoir, so that the final experimental data is more accurate and is beneficial to analysis. Moreover, the partition plate 41 changes the flow path of water to bend the flow path, so that the volume of the leaching tank 4 is reduced by providing the partition plate 41 under the condition that the flow path of water is the same.
The leaching experiment liquid taking method comprises a liquid taking step of carrying out a liquid taking experiment by using the leaching experiment device 10, wherein the liquid taking step comprises the following steps of crushing an acquired rock sample to form sample particles. The sample particles are washed to remove impurities from the sample particles and then dried. A portion of the sample particles is loaded into the leaching column 3 and a portion of the sample particles is loaded into the leaching tank 4. The peristaltic pump 8 is started, the liquid in the first liquid storage pump enters the leaching tank 4 through the leaching column 3, and the liquid in the second liquid storage pump enters the leaching tank 4. The sample liquid from the interior of the leaching tank 4 is withdrawn. The leaching experimental device 10 more truly restores the environment in the underground reservoir, so that the obtained sampling liquid is more suitable for the actual situation, the obtained experimental data is more true and accurate, and the analysis by workers is more facilitated.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the invention. It should be noted that, for those skilled in the art, several other modifications can be made on the basis of the principle of the present invention, and the protection scope of the present invention should be regarded.
Claims (14)
1. A leaching experimental device (10) is characterized in that a first liquid storage tank (1), a second liquid storage tank (2), a leaching column (3), a leaching box (4) and a first liquid taking tank (5);
the first liquid storage tank (1) is connected with the leaching column (3) through a first connecting pipe (11), the leaching column (3) is connected with the leaching box (4) through a second connecting pipe (31), the second liquid storage tank (2) is connected with the leaching box (4) through a third connecting pipe (21), and the leaching box (4) is communicated with the first liquid taking tank (5) through a fourth connecting pipe (51);
a partition plate (41), a first cavity (42) and a second cavity (43) communicated with the first cavity (42) are arranged in the leaching box (4), and the partition plate (41) is positioned between the first cavity (42) and the second cavity (43);
the second connecting pipe (31) is communicated with the first cavity (42), the third connecting pipe (21) is communicated with the first cavity (42), the fourth connecting pipe (51) is communicated with the second cavity (43), and liquid entering the first cavity (42) through the second connecting pipe (31) and the third connecting pipe (21) flows into the first liquid taking tank (5) through the second cavity (43).
2. The leaching experimental apparatus (10) according to claim 1, further comprising a second liquid taking tank (6), wherein the second liquid taking tank (6) is connected with the leaching tank (4) through a fifth connecting pipe (61);
the first cavity (42) is communicated with the second cavity (43) through a third cavity (44), and the fifth connecting pipe (61) is communicated with the third cavity (44).
3. Leaching experimental apparatus (10) according to claim 1, wherein a first sampling nozzle (45) and a second sampling nozzle (46) are provided on the leaching tank (4), the first sampling nozzle (45) communicating with the first cavity (42), the second sampling nozzle (46) communicating with the second cavity (43).
4. The leaching experimental apparatus (10) according to claim 1, wherein a water distributor (7) is disposed in the leaching tank (4), and the water distributor (7) is located above the partition plate (41) and connected to the second connecting pipe (31);
the water distributor (7) comprises a liquid inlet pipe (71) connected with the second connecting pipe (31) and a first liquid distribution pipe (72) connected with the liquid inlet pipe (71);
a plurality of first nozzles (721) are arranged on the first liquid distribution pipe (72) at intervals, and the first nozzles (721) face the first cavity (42).
5. The leaching experimental apparatus (10) according to claim 4, wherein the water distributor (7) further comprises a second liquid distribution pipe (73), the second liquid distribution pipe (73) being connected with the liquid inlet pipe (71);
a plurality of second nozzles (731) are arranged on the second liquid distribution pipe (73) at intervals, and the second nozzles (731) face the second cavity (43).
6. Leaching experimental apparatus (10) according to claim 1, wherein the leaching column (3) has a filtering chamber (32) for placing rock, the first connecting pipe (11) communicates with the upper end of the filtering chamber (32), the second connecting pipe (31) communicates with the lower end of the filtering chamber (32);
a plurality of liquid taking holes (33) are arranged on the leaching column (3) at intervals, and the liquid taking holes (33) are communicated with the filtering cavity (32).
7. The leaching experimental apparatus (10) according to claim 6, wherein the leaching column (3) is provided with a plurality of placing ports (34) at intervals, and the placing ports (34) are communicated with the filtering cavity (32).
8. Leaching test device (10) according to claim 6, wherein a filter plate (35) is arranged in the filter chamber (32).
9. The leaching experimental apparatus (10) according to claim 1, wherein a peristaltic pump (8) is connected to the first connection pipe (11), the second connection pipe (31) and/or the third connection pipe (21).
10. A method for extracting a leaching experiment, which comprises the step of extracting a leaching experiment by using the leaching experiment device (10) according to any one of claims 1 to 9,
s01: crushing the collected rock sample to form sample particles;
s02: cleaning the sample particles to remove impurities on the sample particles, and then drying;
s03: loading a portion of said sample particles into said leaching column (3) and a portion of said sample particles into said leaching tank (4);
s04: starting a peristaltic pump, wherein the liquid in the first liquid storage pump enters the leaching tank (4) through the leaching column (3), and the liquid in the second liquid storage pump enters the leaching tank (4);
s05: taking out the sampling liquid flowing out of the leaching tank (4).
11. The leaching experiment fluid extraction method according to claim 10, further comprising a sieving step on the sample particles,
s011: and screening the sample particles to obtain particles with the size fraction of 3-8 mm.
12. The leaching experiment fluid extraction method according to claim 10, wherein the sample particles are dried,
s021: the sample pellets were dried in a constant temperature drying oven set at 50 ℃ for 12 hours.
13. The leaching experiment fluid extraction method according to claim 10, further comprising the step of adjusting the peristaltic pump when the peristaltic pump is turned on,
s041: and adjusting the infusion flow of the peristaltic pump, wherein the infusion flow is 0ml/d-500 ml/d.
14. The leaching experiment solution extraction method according to claim 10, wherein the extraction of the sampling solution comprises a sampling step,
s051: the total sampling time is 60 days, the sampling liquid is obtained once every day in the first 10 days, the sampling liquid is obtained once every two days from the 10 th day to the 30 th day, and the sampling liquid is obtained once every 5 days from the 30 th day to the 60 th day.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111453006.0A CN114152553B (en) | 2021-12-01 | 2021-12-01 | Leaching experiment device and leaching experiment liquid taking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111453006.0A CN114152553B (en) | 2021-12-01 | 2021-12-01 | Leaching experiment device and leaching experiment liquid taking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114152553A true CN114152553A (en) | 2022-03-08 |
| CN114152553B CN114152553B (en) | 2024-04-16 |
Family
ID=80455540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111453006.0A Active CN114152553B (en) | 2021-12-01 | 2021-12-01 | Leaching experiment device and leaching experiment liquid taking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114152553B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115932210A (en) * | 2022-11-15 | 2023-04-07 | 中国矿业大学(北京) | Mine goaf underground water leaching simulation device and experiment method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198932A (en) * | 2016-09-07 | 2016-12-07 | 山东大学 | The experimental provision of water petrofacies interaction and method in a kind of simulation rock crack |
| CN107817206A (en) * | 2017-11-28 | 2018-03-20 | 中国地质大学（武汉） | It is a kind of can water distribution uniformity simulation water petrofacies interaction experimental provision |
| CN107831029A (en) * | 2017-11-08 | 2018-03-23 | 中国地质大学（武汉） | It is a kind of can Stratified Sampling earth pillar leaching device |
| CN207219825U (en) * | 2017-05-12 | 2018-04-13 | 广州仟湖水族宠物器材制造有限公司 | The New aquarium for improving filter effect based on water circulation system |
| CA3015735A1 (en) * | 2017-06-12 | 2018-12-11 | Hohai University | Device for measuring adsorption/desorption characteristic of surface bed sediments on contaminants and method of using the device |
| CN110824145A (en) * | 2019-11-27 | 2020-02-21 | 北京科技大学 | Tailing leaching device capable of realizing uniform leaching and layered sampling |
| CN111208277A (en) * | 2020-01-16 | 2020-05-29 | 北京科技大学 | Coupling up-flow type device for adsorbing heavy metal in soil |
| CN211374746U (en) * | 2019-12-02 | 2020-08-28 | 广东省地质实验测试中心 | Acid rain leaching device |
| CN211799349U (en) * | 2019-11-26 | 2020-10-30 | 河钢股份有限公司承德分公司 | Automatic liquid taking device |
| CN212275508U (en) * | 2020-02-20 | 2021-01-01 | 浙江工业大学 | Batch leaching experimental device capable of accurately controlling rainwater leaching |
| CN112285328A (en) * | 2020-12-15 | 2021-01-29 | 吉林大学 | Water rock experimental device for simulating formation process of mineral water in cold region |
-
2021
- 2021-12-01 CN CN202111453006.0A patent/CN114152553B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198932A (en) * | 2016-09-07 | 2016-12-07 | 山东大学 | The experimental provision of water petrofacies interaction and method in a kind of simulation rock crack |
| CN207219825U (en) * | 2017-05-12 | 2018-04-13 | 广州仟湖水族宠物器材制造有限公司 | The New aquarium for improving filter effect based on water circulation system |
| CA3015735A1 (en) * | 2017-06-12 | 2018-12-11 | Hohai University | Device for measuring adsorption/desorption characteristic of surface bed sediments on contaminants and method of using the device |
| CN107831029A (en) * | 2017-11-08 | 2018-03-23 | 中国地质大学（武汉） | It is a kind of can Stratified Sampling earth pillar leaching device |
| CN107817206A (en) * | 2017-11-28 | 2018-03-20 | 中国地质大学（武汉） | It is a kind of can water distribution uniformity simulation water petrofacies interaction experimental provision |
| CN211799349U (en) * | 2019-11-26 | 2020-10-30 | 河钢股份有限公司承德分公司 | Automatic liquid taking device |
| CN110824145A (en) * | 2019-11-27 | 2020-02-21 | 北京科技大学 | Tailing leaching device capable of realizing uniform leaching and layered sampling |
| CN211374746U (en) * | 2019-12-02 | 2020-08-28 | 广东省地质实验测试中心 | Acid rain leaching device |
| CN111208277A (en) * | 2020-01-16 | 2020-05-29 | 北京科技大学 | Coupling up-flow type device for adsorbing heavy metal in soil |
| CN212275508U (en) * | 2020-02-20 | 2021-01-01 | 浙江工业大学 | Batch leaching experimental device capable of accurately controlling rainwater leaching |
| CN112285328A (en) * | 2020-12-15 | 2021-01-29 | 吉林大学 | Water rock experimental device for simulating formation process of mineral water in cold region |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115932210A (en) * | 2022-11-15 | 2023-04-07 | 中国矿业大学(北京) | Mine goaf underground water leaching simulation device and experiment method |
| CN115932210B (en) * | 2022-11-15 | 2023-08-18 | 中国矿业大学(北京) | Underground water leaching simulation device and experimental method for mine goaf |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114152553B (en) | 2024-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114152553A (en) | Leaching experiment device and leaching experiment liquid taking method | |
| CN103725599B (en) | Fluid film filter cell separation device | |
| CN107817206B (en) | Experimental device capable of simulating water-rock interaction through uniform water distribution | |
| US9095833B2 (en) | System for performing automated solid phase extractions | |
| US9821250B2 (en) | Preparative separation-purification system for capturing target components | |
| CN108107185B (en) | Mine water purification experiment testing device and testing method thereof | |
| SG192848A1 (en) | Isolating target cells from a biological fluid | |
| CN107109323A (en) | Nucleic acid-extracting apparatus and its method of work | |
| CN101975729A (en) | Micro-visualized experiment device for reservoir sanding | |
| US8663371B1 (en) | Hydraulic fracturing truck sand baghouse | |
| CN103076203A (en) | Experimental facility for collecting leachate during mining wasteland remediation | |
| US20130306535A1 (en) | Preparative Separation-Purification System | |
| CN211603181U (en) | Farmland salinity drip washing analogue means under concealed conduit drainage | |
| CN109596462A (en) | A kind of three-dimensional radioactivity Leaching Experiments equipment | |
| CN111119876B (en) | Experimental device for simulating collapse and accumulation reservoir body edge bottom water-driven oil extraction | |
| CN109975190A (en) | A kind of measurable infiltrative device of different height ore pillar | |
| CN201819863U (en) | Microcosmic visual test device for sand production of oil reservoir | |
| CN204214586U (en) | The device of pressure change in a kind of on-line monitoring breakthrough experiment | |
| CN111094972B (en) | Chromatographic apparatus | |
| CN208436437U (en) | A kind of chromatographic apparatus | |
| SU872730A1 (en) | Unit for exploring antisand filters | |
| CN117169060A (en) | Test device and method for migration of micro plastic particles in soil | |
| CN219284707U (en) | Soil collection system | |
| CN216847059U (en) | Petroleum geological fluid sampling and measuring device | |
| CN216717971U (en) | Series negative pressure solid phase extraction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |