CN206020111U - A kind of dynamic leaching residue sampler - Google Patents
A kind of dynamic leaching residue sampler Download PDFInfo
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- CN206020111U CN206020111U CN201621071222.3U CN201621071222U CN206020111U CN 206020111 U CN206020111 U CN 206020111U CN 201621071222 U CN201621071222 U CN 201621071222U CN 206020111 U CN206020111 U CN 206020111U
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- leaching
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Abstract
The utility model discloses a kind of dynamic leaching residue sampler, including leaching post and the sample holder being placed in the leaching post；The leaching post upper end mounting spray head, lower end install draining pipe；Load sample platform is installed in the leaching post, the load sample number of units amount is the integer more than or equal to 1, on each load sample platform, places a sample holder；There are pod apertures on the load sample platform；The sample holder bottom is provided with pod apertures.Device of the present utility model with the sampling that eluviation process completes the dynamic leaching residue to test sample, saves leaching liquor, it is not necessary to make parallel leaching system in same set of leaching system.Device is simple, it is easy to operate, reproducible, and technical staff is easy to learn, easy grasp.
Description
Technical field
This utility model belongs to chemical extraction experimental technique field, specifically, is related to a kind of dynamic leaching residue and takes
Sampling device.
Background technology
In Epigentic Geochemistry research, the development characteristics of field weathering profile are completely dependent on, are difficult to sometimes true announcement
Geochemical behaviour of element and mineralogical corrosion mechanism during rock decay.Its reason is：Rock decay forms air slaking and cuts open
During face, as air slaking fluid permeates downwards, the fine mineral component (such as colloidal solid) from the leaching of section top is in section
Bottom deposits；In addition, the lateral migration of air slaking fluid is likely to cause Exterior component to be brought into weathering profile.Due to foreign substance
Deposit in weathering profile, masks the real information of element geochemistry and mineralogy change during rock decay.For
This, using leaching simulation experiment, dynamic analysis protolith is constituted with the leaching residue of eluviation (i.e. weathering) process, is
The effective means of geochemical behaviour of element and mineralogy change during spike rock decay.
At present, for the sampling of dynamic leaching residue generally adopts batch experiment, i.e. protolith sample by broken and abundant
Mix retraction be divided into some equal portions (i.e. increment, the No.1 that numbers in order, No.2), test bar in identical
Under part, each increment synchronously carries out Leaching Experiments respectively as an independent experimental considerations unit.Certain single order is reached with leaching process
Section, No.1 stop leaching, collect leaching residue standby；Next stage is entered with Leaching Experiments, No.2 stops leaching, same to No.1
Collect leaching residue standby；By that analogy, until last part sample terminates leaching.Theoretically, according to No.1,
No.2, order, protolith is subjected to the intensity of weathering and increases successively, therefore, by analyze protolith →
No.1 → No.2 → material composition change, it is possible to obtain element geochemistry and ore deposit during rock decay
The information of thing change.
In above experimental program, each increment is both needed to prepare a set of independent Leaching Experiments system, and is needed
Consume substantial amounts of leaching liquor, uneconomical, tedious process.
Utility model content
In view of this, this utility model will solve existing Leaching Experiments system needs to consume substantial amounts of leaching liquor, uneconomical,
The technical problem of tedious process.A set of device for being available for extracting dynamic leaching residue is provided, i.e., in same set of leaching system,
With the sampling that eluviation process completes the dynamic leaching residue to test sample.
In order to solve above-mentioned technical problem, the utility model discloses a kind of dynamic leaching residue sampler, including
Leaching post and the sample holder being placed in the leaching post；The leaching post upper end mounting spray head, lower end install draining pipe；Institute
State and load sample platform is installed in leaching post, the load sample number of units amount is the integer more than or equal to 1, on each load sample platform, place a Sheng
Sample device；There are pod apertures on the load sample platform；The sample holder bottom is provided with pod apertures.
Further, the sample holder bottom is covered with microporous filter membrane, is covered with glassfibre filters, institute on the microporous filter membrane
State placement sample on glassfibre filters；The sample holder upper end is installed by glassfibre filters, the glassfibre filters upper berth
There is quantitative filter paper.
Further, the leaching post side wall of the sample holder correspondence position offers sampling window, and sampling window side is by closing
Page is connected with leaching post, and opposite side is provided with switch handle；The surrounding that the sampling window is connected with leaching post is also equipped with sealing
Cushion rubber.
Further, the load sample platform is fixed in leaching post by dop.
Further, the leaching post upper and lower ends are provided with rubber stopper.
Further, on the rubber stopper of leaching post upper end, the rubber stopper of the leaching post upper end is also for the shower nozzle
Barometric pipe is installed.
Further, draining pipe is installed on the rubber stopper of the leaching post lower end.
Further, filling rayon balls in the barometric pipe.
Further, flow control valve is installed on the shower nozzle.
Further, the sample holder is made using politef, is that upper coarse and lower fine cylinder is tapered, sample holder upper end
Diameter be slightly less than leaching column internal diameter.
Further, the microporous filter membrane is the acetate fiber microporous filter membrane in 0.45 μm of aperture.
Further, the leaching post is made with transparent organic glass.
Compared with prior art, this utility model can be obtained including following technique effect：
1) device of the present utility model, from top to bottom sets gradually multiple sample holders in leaching post, when with certainization
The leaching liquor for learning erosion intensity is injected by leaching capital end, and drop is sprinkled upon the quantitative filter paper of No.1 sample holders top horizontal laying first
Surface, leaching liquor penetrate into sample through after quantitative filter paper in planar, leaching liquor is fully contacted with sample surfaces, are conducive to
Promote the carrying out of water_rock interaction.It is tapered that sample holder is designed to upper coarse and lower fine cylinder, it is ensured that leaching liquor is oozed by top layer sample downwards
It is fully contacted with deep sample during entering.Leachate after water_rock interaction is through the acetate fiber for being laid on sample holder bottom
After microporous filter membrane, discharged in planar by the pod apertures of sample holder bottom.In the process, the effect of microporous filter membrane be filter water-
The colloidal mineral particles produced in rock reaction, in case take away with leachate.The leachate that discharges from No.1 sample holders bottom is flowed into
, further there is water-rock effect as leaching liquor and sample therein in No.2 sample holders, leachate flows into next Sheng sample successively
Device, until occurring to discharge from leaching column bottom after water_rock interaction with last part sample, flows into liquid waste collector.
2) in device of the present utility model, sample holder upper end placement glassfibre filters be in order to support quantitative filter paper,
It is to prevent sample with microporous filter membrane directly contact and then protect microporous filter membrane in sample holder bottom laying glassfibre filters.
3), in device of the present utility model after leaching liquor and No.1 example reactions, the chemical erosion ability of leachate can drop
Low, then as after leaching liquor and No.2 example reactions, the chemical erosion ability of leachate further weakens, the like.I.e.
In same leaching batch, water-rock action intensity gradually weakens according to the order of No.1 → No.2 → → No.n.
Therefore, through the Leaching Experiments of some cycles, the rate of decay of test sample with No.1 as most strong, then with No.2 → No.3
The order of → → No.n weakens successively.
4) device of the present utility model is completed to move test sample with eluviation process in same set of leaching system
The sampling of state leaching residue, saves leaching liquor, it is not necessary to make parallel leaching system, device is simple, it is easy to operate, repeatability
Good, technical staff is easy to learn, easy grasp.
Certainly, implement arbitrary product of the present utility model to be not necessarily required to while reaching all the above technology effect
Really.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes of the present utility model one
Point, schematic description and description of the present utility model is used for explaining this utility model, does not constitute to of the present utility model
Improper restriction.In the accompanying drawings：
Overall structure diagrams of the Fig. 1 for this utility model embodiment 1；
Fig. 2 is sample holder structural representation in this utility model embodiment 1；
Fig. 3 is sample holder sectional view in this utility model embodiment 1；
Fig. 4 is the mplifying structure schematic diagram of sampling window in this utility model embodiment 1；
Fig. 5 is Weathering indices CIA changing trend diagram of the protolith to dynamic leaching residue in this utility model embodiment 2；
Fig. 6 is Weathering indices SiO of the protolith to dynamic leaching residue in this utility model embodiment 22/Al2O3Change becomes
Gesture figure.
Specific embodiment
Describe embodiment of the present utility model below in conjunction with drawings and Examples in detail, thereby to this utility model
How application technology means come solve technical problem and reach technology effect realize that process can fully understand and implement according to this.
Embodiment 1
As shown in figure 1, dynamic leaching residue sampler of the present utility model, including leaching post 1 and is placed on leaching
Sample holder 2 in post.Leaching post 1 is made up of transparent organic glass, Real Time Observation water_rock interaction process and can be entered in an experiment
Degree.Sample holder 2 is made using politef, tapered in upper coarse and lower fine cylinder, and the diameter of upper end is slightly less than leaching column internal diameter,
Leave pod apertures (being not drawn in figure) in bottom.There is politef very strong anti acid alkali performance energy, good stability to be difficult and leaching
Liquid reacts, not contaminated samples；The tapered design of upper coarse and lower fine cylinder, makes to be added dropwise under the leaching liquor of top layer sample with planar
Can be fully contacted with the sample of deep layer during oozing, make water_rock interaction more abundant.
1 upper and lower ends of leaching post are provided with rubber stopper 3, make leaching post 1 become closed system, prevent the dust in environment from entering
Enter system and then contaminated samples.
Shower nozzle 4 and barometric pipe 5 are installed on the rubber stopper 3 of 1 upper end of leaching post, shower nozzle is used for into leaching post 1
Even drop spills leaching liquor, and barometric pipe 5 can balance 1 inner and outer air pressure of leaching post, it is ensured that Leaching Experiments are smoothly implemented.On shower nozzle 4
Flow control valve 6, the leaching liquor uninterrupted that scalable drop is spilt are installed；Filled with rayon balls 7 in barometric pipe 5, prevent
Only the dust in environment enters leaching post 1.
Draining pipe 8 is installed on the rubber stopper 3 of 1 lower end of leaching post, draining pipe 8 connects liquid waste collector 9, for receiving
Collection leachate.
N number of load sample platform 10 (N is the integer more than or equal to 1) is installed in leaching post 1, load sample platform 10 is with pod apertures
The PVC board of (being not drawn in figure), is fixed in leaching post 1 by the dop 11 in leaching post 1.One is placed on each load sample platform 10
Individual sample holder 2.
As shown in Figures 2 and 3,2 bottom of sample holder is covered with the acetate fiber microporous filter membrane 17 in 0.45 μm of aperture, microporous filter membrane 17
On be coated with layer of glass filter screen 16, laboratory sample is placed on glassfibre filters 16；Sample holder top horizontal is covered
Two membranes, upper strata are quantitative filter paper 15, and lower floor is glassfibre filters 16.
As shown in figs. 1 and 4, the 1 side wall of leaching post of 2 correspondence position of sample holder offers sampling window 12,12 side of sampling window
It is connected with leaching post 1 by hinge 14, opposite side is provided with switch handle 13；The surrounding that sampling window 12 is connected with leaching post 1 is also
O-ring seal (being not drawn in figure) is installed.
The acetate fiber microporous filter membrane 17 in 0.45 μm of aperture of laying in 2 bottom of sample holder, is prevented from water-rock effect
The cosmid level colloidal solid of generation is taken away with leachate.And overlying layer of glass filter screen 16 is to protect microporous filter membrane
17, with the Latent destruction for preventing sample and 17 directly contact of microporous filter membrane from producing which.In determining that 2 top horizontal of sample holder is covered
Amount filter paper 15, receives the solution instilled from top, and forms planar percolating fluid, equably can be sprinkled upon whole sample surfaces by cloth.
The glassfibre filters 16 of lower floor, with certain mechanical strength, can support the quantitative filter paper 15 of overlying.The design of sampling window 12
Sample holder 2 and sample are removed or placed in conveniently can testing in time.
The specification or size of this Leaching Experiments device depends on the purpose of sample research.Generally do general and trace elements and
It is sufficient that leaching remnants of mineralogical analysis (XRD), acquisition 10g or so consolidate sample.For Silicates material, erodible
Difference, is often equal-volume air slaking, so sample holder can accommodate the sample of 15g or so and can just meet analysis requirement.So, sample is contained
Device can according to bore 5cm, base diameter 3cm, height 5cm specifications design；The internal diameter of Organic glass column is slightly than sample holder mouth
Thick 1～the 2mm in footpath, can smoothly insert, take out sample holder.With regard to the distance between sample holder, with convenient use as principle.Extremely
In the length of Organic glass column, depending on how many dynamic leaching residue samples of collection.For solubility sample, such as carbonate
Rock, due to its acid non-soluble substance content typically extremely low (generally<5%), when needing to analyze and research acid non-soluble substance, it may be necessary to
Corrosion sample reaches n × 102G, therefore, the specification of Leaching Experiments device correspondingly will also increase.
Embodiment 2
The selection of 2.1 Weathering indices
Using chemical index of alteration (CIA) and silica alumina ratio (SiO2/Al2O3) etc. two geochemistry Weathering indices judging
The weathering groove of dynamic leaching residue.
(1)CIA
CIA is the rate of decay for quantitative assessment feldspar silicate component, and its expression formula is：
CIA=[Al2O3/(Al2O3+CaO*+Na2O+K2O)]×100
In formula, each oxide is molal quantity (mol)；CaO* is the CaO in silicate phase, if containing carbonic acid in sample
Salt or phosphatic Ca need to deduct.In practice, as CaO (mol) >=Na2During O (mol), CaO*=Na2O；As CaO (mol)<
Na2During O (mol), CaO*=CaO.
During chemical weathering, decompose with feldspar silicate mineral, the base cation such as Ca, Na, K gradually leaching loss, Al
It is enriched with weathering residue, trend of the CIA values in increase, as the complete leaching loss of base cation, CIA=100.
(2)SiO2/Al2O3
In silicate efflorescence, Si is released from mineral and with silicate solution leaching loss, and Al is rich in residual solid phase
Collection, the therefore air slaking of silicate show the feature of desiliconization allitization.With the air slaking of silicate mineral, in residue
SiO2/Al2O3Ratio (for content ratio) is in the trend being gradually lowered.
2.2 experimentations and result
Arenaceous shale is acquired as test sample, 20 mesh sieves is crossed after crushing, is fully mixed with quartering, be prepared for 5
Increment, every sample weight 15g, wherein 1 increment are used for dynamic as protolith (Y), in addition 4 increments (numbering is No.1～No.4)
The extraction of leaching residue.Using the experimental system of Fig. 1, using the hydrochloric acid solution of 1mol/L as leaching liquor, leaching speed is 4L/
D, Leaching Experiments cycle are 10d.After Leaching Experiments terminate, to protolith sample (Y) and 4 leaching residue increments (No.1～
No.4 x-ray fluorescence spectrometry (XRF)) has been carried out, Main elements content has been determined.
The Weathering indices of the part Main elements content and correlation of protolith sample and dynamic leaching residue are shown in Table 1.Fig. 5 and
Fig. 6 is shown by the Weathering indices variation tendency of protolith to dynamic leaching residue.As can be seen that according to Y → No.4 → No.3
The order of → No.2 → No.1, CIA values are in the trend (Fig. 5) for gradually increasing, and SiO2/Al2O3Ratio is in the trend being gradually lowered
(Fig. 6), illustrate with the degree of the chemical weathering of Main elements sign in the trend for increasing successively.Above the results show this reality
It is feasible with new device.
The part Main elements content and Weathering indices of 1 arenaceous shale sample of table and its dynamic leaching residue
Note：In sample number into spectrum, Y represents arenaceous shale (test sample), and No.1～No.4 represents dynamic leaching residue.
Device of the present utility model, from top to bottom sets gradually multiple sample holders in leaching post, certain chemical when having
The leaching liquor of erosion intensity is injected by leaching capital end, and drop is sprinkled upon the quantitative filter paper table of No.1 sample holders top horizontal laying first
Face, leaching liquor penetrate into sample through after quantitative filter paper in planar, leaching liquor is fully contacted with sample surfaces, are conducive to promoting
Enter the carrying out of water_rock interaction.It is tapered that sample holder is designed to upper coarse and lower fine cylinder, it is ensured that leaching liquor is penetrated down into by top layer sample
During be fully contacted with deep sample.Leachate after water_rock interaction is micro- through the acetate fiber for being laid on sample holder bottom
After the filter membrane of hole, discharged in planar by the pod apertures of sample holder bottom.In the process, the effect of microporous filter membrane is filter water-rock
The colloidal mineral particles produced in reaction, in case take away with leachate.The leachate that discharges from No.1 sample holders bottom penetrates into
, further there is water-rock effect as leaching liquor and sample therein in No.2 sample holders, leachate flows into next Sheng sample successively
Device, until occurring to discharge from leaching column bottom after water_rock interaction with last part sample, flows into liquid waste collector.
In device after leaching liquor and No.1 example reactions, the chemical erosion ability of leachate can reduce, then as leaching
After liquid and No.2 example reactions, the chemical erosion ability of leachate further weakens, the like.I.e. in same leaching batch
Secondary, water-rock action intensity gradually weakens according to the order of No.1 → No.2 → → No.n.Therefore, through certain
The Leaching Experiments in cycle, the rate of decay of test sample with No.1 as most strong, then with No.2 → No.3 →
The order of → No.n weakens successively.
Device of the present utility model completes the dynamic to test sample with eluviation process in same set of leaching system
The sampling of leaching residue, saves leaching liquor, it is not necessary to make parallel leaching system.Device is simple, it is easy to operate, repeatability
Good, technical staff is easy to learn, easy grasp.
As in description and claim some vocabulary used in censuring special component or method, art technology
Personnel are, it is to be appreciated that same composition may be called in different regions with different nouns.This specification and claims are not
In the way of the difference of title is used as distinguishing composition.As the "comprising" of the description in the whole text and claim mentioned in is
One open language, thus should be construed to " comprising but be not limited to "." substantially " refer in receivable range of error, this area
Technical staff can solve the technical problem in the range of certain error, basically reach the technique effect.Description is follow-up
It is described as implementing better embodiment of the present utility model, so the description is to illustrate rule of the present utility model as mesh
, it is not limited to scope of the present utility model.Protection domain of the present utility model is when depending on the defined person of claims
It is defined.
Also, it should be noted term " including ", "comprising" or its any other variant are intended to nonexcludability
Comprising, so that a series of commodity or system including key elements not only include those key elements, but also including not clearly
Other key elements that lists, or also include the key element intrinsic for this commodity or system.In the feelings without more restrictions
Under condition, the key element that limited by sentence "including a ...", it is not excluded that in the commodity or system for including the key element also
There is other identical element.
Described above illustrates and describes some preferred embodiments of the present utility model, but as previously mentioned, it should be understood that this
Utility model is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and can be used for various
Other combinations, modification and environment, and can be in utility model contemplated scope described herein, by above-mentioned teaching or association area
Technology or knowledge be modified.And change that those skilled in the art are carried out and change are without departing from spirit of the present utility model and model
Enclose, then all should be in the protection domain of this utility model claims.
Claims (10)
1. a kind of dynamic leaching residue sampler, it is characterised in that including leaching post and be placed in the leaching post
Sample holder；The leaching post upper end mounting spray head, lower end install draining pipe；Load sample platform is installed in the leaching post, described
Load sample number of units amount is the integer more than or equal to 1, places a sample holder on each load sample platform；There are pod apertures on the load sample platform；
The sample holder bottom is provided with pod apertures.
2. dynamic leaching residue sampler as claimed in claim 1, it is characterised in that the sample holder bottom is covered with micro-
Hole filter membrane, is covered with glassfibre filters on the microporous filter membrane, places sample on the glassfibre filters；On the sample holder
Glassfibre filters are installed at end, are covered with quantitative filter paper on the glassfibre filters.
3. dynamic leaching residue sampler as claimed in claim 2, it is characterised in that the sample holder correspondence position
Leaching post side wall offers sampling window, and sampling window side is connected with leaching post by hinge, and opposite side is provided with switch handle；Institute
State the surrounding that sampling window is connected with leaching post and be also equipped with O-ring seal.
4. dynamic leaching residue sampler as claimed in claim 3, it is characterised in that the load sample platform is solid by dop
It is scheduled in leaching post.
5. dynamic leaching residue sampler as claimed in claim 4, it is characterised in that the leaching post upper and lower ends peace
Rubber stopper is housed.
6. dynamic leaching residue sampler as claimed in claim 5, it is characterised in that the shower nozzle is arranged on leaching post
On the rubber stopper of upper end, the rubber stopper of the leaching post upper end is also equipped with barometric pipe；The rubber of the leaching post lower end
Draining pipe is installed beyond the Great Wall.
7. dynamic leaching residue sampler as claimed in claim 6, it is characterised in that filling in the barometric pipe
Rayon balls.
8. dynamic leaching residue sampler as claimed in claim 7, it is characterised in that be provided with flow on the shower nozzle
Regulating valve.
9. dynamic leaching residue sampler as claimed in claim 8, it is characterised in that the sample holder adopts polytetrafluoro
Ethylene is made, and is that upper coarse and lower fine cylinder is tapered, and the diameter of sample holder upper end is slightly less than leaching column internal diameter.
10. dynamic leaching residue sampler as claimed in claim 9, it is characterised in that the microporous filter membrane is 0.45 μ
The acetate fiber microporous filter membrane in m apertures.
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| CN201621071222.3U CN206020111U (en) | 2016-09-22 | 2016-09-22 | A kind of dynamic leaching residue sampler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168545A (en) * | 2016-09-22 | 2016-11-30 | 南华大学 | A kind of dynamic leaching residue sampler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168545A (en) * | 2016-09-22 | 2016-11-30 | 南华大学 | A kind of dynamic leaching residue sampler |
| CN106168545B (en) * | 2016-09-22 | 2019-04-23 | 南华大学 | A kind of dynamic leaching residue sampler |
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