CN106702182B - A kind of recovery system of re dip solution - Google Patents
A kind of recovery system of re dip solution Download PDFInfo
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- CN106702182B CN106702182B CN201611081456.0A CN201611081456A CN106702182B CN 106702182 B CN106702182 B CN 106702182B CN 201611081456 A CN201611081456 A CN 201611081456A CN 106702182 B CN106702182 B CN 106702182B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B59/00—Obtaining rare earth metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/02—Apparatus therefor
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
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- 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
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Abstract
The invention discloses a kind of recovery systems of re dip solution, including：At least one latent layer water aggregating apparatus is arranged, depth to the water table aquifer bottom of the as little as described Rare-earth Mine or basement rock close to the Rare-earth Mine foot of the hill；Intercepting gutter is connected to the latent layer water aggregating apparatus, and around the Rare-earth Mine massif.The re dip solution of extravasation can be farthest collected by above-mentioned recovery system, and the extravasation in its quick collecting to latent layer water aggregating apparatus, avoiding re dip solution is lost, and improve the rate of recovery of re dip solution；Meanwhile removing to arrange latent layer water aggregating apparatus according to water table aquifer, it arranges with clearly defined objective simple, while recovering rare earth leachate, reduces the cost recovery of re dip solution.
Description
Technical field
The invention belongs to Rare Earth Mine production technique fields, and in particular to a kind of recovery system of re dip solution.
Background technology
Ion adsorption type rare earth ore is the kaolinite that the protolith containing rare earth has rare earth ion through its adsorption that weathering is formed
The clay minerals such as soil, montmorillonite, protolith therein are mostly granite and volcanic rock containing rare earth.Under normal circumstances, contain ion
The depth of cut of the mine massif of absorbent-type Rare Earth Mine is smaller, and phreatic table is higher, and the technique exploited to it is mainly dump leaching
Technique and in_situ leaching technique.Wherein, dump leaching process is to build heap using landform, concentrates and receives liquid and centralized processing recovering rare earth,
It needs in advance that Rare Earth Mine is mined, needs to remove mine during exploitation, destroy ecological environment；In_situ leaching technique is then not
Drawbacks described above is will produce, leaching mine agent need to only be injected from liquid injection hole in ore body, leaching mine agent can penetrate into weathering ore bed, half weathering
Ore bed selectively leaches useful constituent until at basement rock, then by collection re dip solution, then send to processing factory and carries out
Extraction of rare eart is processed.
But during carrying out leaching mine using in_situ leaching technique, the exudation point of re dip solution is more and more disperses,
The flow of each exudation point is smaller, therefore the collection difficulty of re dip solution is larger.Generally use two ways is returned in the prior art
Re dip solution is received, a kind of mode is beat deflector hole into Rare-earth Mine ore body, by deflector hole by rare earth leaching inside ore body
Liquid is drained to the external world；Another way is to beat liquid collecting tunnel to Rare-earth Mine ore body, and the both sides inner wall in liquid collecting tunnel is beaten and led
Discharge orifice drains re dip solution by deflector hole and enters in liquid collecting tunnel, then is drained to re dip solution by liquid collecting tunnel
It is extraneous.Above two mode can collect the re dip solution in ore body, reduce exudation of the re dip solution to the ore body external world
Point improves the rate of recovery of re dip solution to a certain extent.
As Chinese patent literature CN104711420 A disclose a kind of weathered superficial leaching rare-earth ore Situ Leaching receipts liquid side
Method receives liquid deflector hole by playing a circle around ore body, and builds a liquid collecting being connected to receipts liquid deflector hole around ore body in mountain valley
Ditch finally reduces the outer exudation point of re dip solution, has recycled re dip solution.But there is water table aquifer inside ore body, lead to
The rare earth leaching agent crossed inside liquid injection hole injection ore body is consistent with the diving flow tendency in water table aquifer, and above-mentioned technology ring is around mine
Body make a call to one circle receive liquid deflector hole, by receive liquid deflector hole collect re dip solution, in this way can with retention part re dip solution, but
It is still to have part re dip solution to exosmose from Rare-earth Mine with diving, causes the organic efficiency of re dip solution to reduce, outside
The re dip solution oozed is because exudation point is more and disperses, it is difficult to collect, waste rare earth resources in this way, polluted water body.Simultaneously only
It is blindly to beat these deflector holes on Rare-earth Mine, on the one hand can there is a problem of that collection efficiency is low, on the other hand also increases
Construction cost.
Invention content
For this purpose, the present invention to be solved, to be re dip solution in in_situ leaching technique cannot effectively recycle, and recycling at
This high defect, so improve it is a kind of can effectively recovering rare earth leachate and the low re dip solution of cost recovery recycling
System.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：
The recovery system of re dip solution provided by the present invention, including：
At least one latent layer water aggregating apparatus is arranged, depth to the as little as described Rare-earth Mine close to the Rare-earth Mine foot of the hill
Water table aquifer bottom or basement rock；
Intercepting gutter is connected to the latent layer water aggregating apparatus, and around the Rare-earth Mine massif.
Preferably, further include the negative pressure generating device that can make to generate negative pressure in the latent layer water aggregating apparatus, so that rare earth
Leachate rapidly enters in the latent layer water aggregating apparatus.
Further, the furrow width of the intercepting gutter is 0.3m-0.5m, ditch depth 0.2m-0.4m；
The latent layer water aggregating apparatus between the Rare-earth Mine foot of the hill at a distance from be 1-5m.
Preferably, further include receiving liquid tunnel, extend in the Rare-earth Mine to collect the re dip solution, the receipts
The extending direction in liquid tunnel intersects with the flow direction of diving.
Preferably, the extending direction for receiving liquid tunnel is vertical with the flow direction of diving.
Preferably, the half weathered layer bottom received liquid tunnel and be set to the Rare-earth Mine, and towards the Rare Earth Mine
The foot of the hill on mountain tilts；
The two side for receiving liquid tunnel is equipped with upper and lower two deflector holes for lining up the distribution of W broken line types.
Preferably, the liquid tunnel and the sharp angle of horizontal plane of receiving is 3-5 °；
The array pitch of upper and lower two rows of deflector holes is 0.2m, and the pitch-row between the deflector hole is 0.2m, the deflector hole
Hole inclination angle is 5-7 °.
Preferably, the deflector hole hole depth is the 2/5-3/5 of width between the receipts liquid tunnel two side.
Preferably, the bottom and outside of the latent layer water aggregating apparatus and intercepting gutter are both provided with impervious barrier.
Further, the negative pressure generating device is water pump；
The latent layer water aggregating apparatus is recovery pond or recovery well.
Compared with prior art, there are following advantageous effects by the present invention：
(1) recovery system for the re dip solution that the embodiment of the present invention is provided, including at least one latent layer water collect dress
Set, close to the Rare-earth Mine foot of the hill be arranged, depth to the water table aquifer bottom of as little as Rare-earth Mine or basement rock so that re dip solution with
Diving enters wherein；Intercepting gutter is connected to latent layer water aggregating apparatus, and around Rare-earth Mine massif.According to the flowing side of diving
To the latent layer water aggregating apparatus of setting, and setting intercepting gutter, the re dip solution of extravasation can be farthest collected, and it is fast
Speed is collected in latent layer water aggregating apparatus, is avoided the extravasation loss of re dip solution, is improved the rate of recovery of re dip solution；
Meanwhile remove to arrange latent layer water aggregating apparatus according to water table aquifer, arrange it is with clearly defined objective simple, while recovering rare earth leachate, drop
The low cost recovery of re dip solution.
(2) recovery system for the re dip solution that the embodiment of the present invention is provided is received liquid tunnel and is extended in Rare-earth Mine
To collect re dip solution, the extending direction for receiving liquid tunnel intersects with the flow direction of diving；Furthermore receipts liquid tunnel is set to dilute
The half weathered layer bottom in native mine, and tilted towards the foot of the hill of Rare-earth Mine；Above-mentioned setting can effectively collect re dip solution, keep away
Exempt from loss of exosmosing caused by it cannot quickly and efficiently collect re dip solution, improves the rate of recovery of re dip solution；
(3) recovery system for the re dip solution that the embodiment of the present invention is provided is equipped in the two side for receiving liquid tunnel
Upper and lower two line up the deflector hole of W broken line types distribution, and deflector hole direction receives liquid tunnel.It can ensure that rare earth leaches by above-mentioned setting
Liquid is quickly retained and is collected by deflector hole and receipts liquid tunnel, reduces its extravasation point on Rare-earth Mine, improves rare earth leaching
Go out the rate of recovery of liquid.
(4) recovery system for the re dip solution that the embodiment of the present invention is provided utilizes the seepage flow of water table aquifer and funnel original
Reason, simple system and easily construction, can effectively improve the re dip solution rate of recovery, reduce environmental pollution, and generate good economic effect
Benefit and environmental benefit.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the section view work arrangement figure of the recovery system of middle rare earth leachate of the present invention；
Fig. 2 is the layout drawing of latent layer water Rendezvous Point in hydrogeologic map in the present invention；
Fig. 3 is the vertical view work arrangement figure of the recovery system of middle rare earth leachate of the present invention；
Fig. 4 is the layout drawing of the deflector hole of the recovery system of middle rare earth leachate of the present invention.
Reference numeral：
1- humus layers；2- weathered layers；Half weathered layers of 3-；4- basement rock；5- liquid injection holes；6- receives liquid tunnel；The latent layer water of 7- collects
Point；The latent layer water aggregating apparatus of 8-；9- contours；10- intercepting gutters；11- diving bit lines；12- deflector holes.
Specific implementation mode
Purpose, technical scheme and advantage in order to better illustrate the present invention, below in conjunction with specific embodiment to this hair
It is bright to be described further.The present invention can be embodied in many different forms, and should not be construed as limited to set forth herein
Embodiment.On the contrary, providing these embodiments so that the disclosure will be thorough and complete, and the design of the present invention will be filled
Divide and be communicated to those skilled in the art, the present invention will only be defined by the appended claims.
Embodiment
A kind of recovery system of re dip solution is present embodiments provided, as shown in Figure 1,2 and 3, including it is at least one latent
Layer water aggregating apparatus 8, is arranged, depth to the water table aquifer bottom of as little as Rare-earth Mine or basement rock close to the Rare-earth Mine foot of the hill；Liquid collecting
Ditch 10 is connected to latent layer water aggregating apparatus 8, and around Rare-earth Mine massif, and in the present embodiment, latent layer water aggregating apparatus 8 is
Recovery pond or recovery well
In above-mentioned recovery system, layer water aggregating apparatus 8 of diving, and setting intercepting gutter are arranged according to the flow direction of diving
10, the re dip solution of extravasation can be farthest collected, and by its quick collecting to latent layer water aggregating apparatus 8, avoid
The extravasation of re dip solution is lost, and the rate of recovery of re dip solution is improved；Meanwhile it going to arrange that latent layer water collects according to water table aquifer
Device 8, arranges with clearly defined objective simple, while recovering rare earth leachate, reduces the cost recovery of re dip solution.
It should be noted is that latent layer water aggregating apparatus 8 is arranged at latent layer water Rendezvous Point 7, dive layer water Rendezvous Point 7 with
And water table aquifer determination can be determined according to hydrogeologic map, it as shown in Figures 2 and 3, can be right before Rare-earth Mine carries out fluid injection production
Rare-earth Mine to be exploited carries out productive prospecting, draws hydrogeologic map, wherein can see diving bit line 11 and contour 9, dives
Water level line 11 is depicted as according to the water level elevation of each point on phreatic surface.The moisture contained in Rare-earth Mine has certain stream
Rule is moved, basic law follows the characteristics of high ground-water level flows to low phreatic table, and therefore, the flow direction of diving is perpendicular to equal phreatic tables
Line flows to low water level by high water level, waits the diving close place's flow velocity of bit line fast, on the contrary then slow, flow direction of the latent layer water Rendezvous Point 7 along diving
Close to low diving bit line.
Certainly, it in the case where not drawing hydrogeologic map, can be determined according to Rare-earth Mine chevron topography, normal conditions
Under, when penetrating into rainwater, surface water in Rare-earth Mine, according to mountain shape, the flow direction of the water inside massif is in certain rule, rule
It is similar with the rule of phreatic surface, lowest point of the general latent layer water Rendezvous Point 7 at the foot of the hill of Rare-earth Mine.
Preferably, dive layer water aggregating apparatus 8 between the Rare-earth Mine foot of the hill at a distance from be 1-5m.
Further, the furrow width of intercepting gutter 10 is 0.3m-0.5m, ditch depth 0.2m-0.4m；
Based on the above technical solution, further include that the negative pressure for generating negative pressure in latent layer water aggregating apparatus 8 can be made to generate
Device, so that re dip solution rapidly enters in latent layer water aggregating apparatus 8, in this embodiment, negative pressure generating device is water pump.When
When liquid level in latent layer water aggregating apparatus 8 reaches a certain amount of, water pump is extracted out and is conveyed in re dip solution to transfer pond automatically.
As shown in Figure 1 and Figure 4, further include receiving liquid tunnel 6, extend in Rare-earth Mine to collect re dip solution, receive liquid
The extending direction in tunnel 6 intersects with the flow direction of diving.
Further, the extending direction for receiving liquid tunnel 6 is vertical with the flow direction of diving.
Preferably, it receives liquid tunnel 6 and is set to half weathered layer bottom of Rare-earth Mine, and incline towards the foot of the hill of Rare-earth Mine
Tiltedly；The two side for receiving liquid tunnel 6 is equipped with upper and lower two deflector holes 12 for lining up the distribution of W broken line types.
By above-mentioned setting, re dip solution can be effectively collected, avoids leaching because cannot quickly and efficiently collect rare earth
It exosmoses and loses caused by liquid, improve the rate of recovery of re dip solution；Above-mentioned upper and lower two line up the distribution of W broken line types simultaneously
Deflector hole can ensure that re dip solution is quickly retained and collected by deflector hole and receipts liquid tunnel, reduce it on Rare-earth Mine
Exosmose point, improves the rate of recovery of re dip solution, receive re dip solution that liquid tunnel 6 is collected can extraneous conduit, be transported to outer
Boundary.
Further, the sharp angle for receiving liquid tunnel 6 and horizontal plane is 3-5 °；The array pitch of two rows deflector hole 12 is above and below
0.2m, the pitch-row between deflector hole 12 are 0.2m, and the hole inclination angle of deflector hole 12 is 5-7 °.
Preferably, 12 hole depth of deflector hole is the 2/5-3/5 of width between receiving 6 two side of liquid tunnel.
Based on the above technical solution, the bottom and outside of latent layer water aggregating apparatus 8 and intercepting gutter 10 are both provided with
Impervious barrier, in the present embodiment, impervious barrier can be by being obtained with linked network cement mortar.
The diameter (or length of side) of latent layer water aggregating apparatus 8 can be configured according to actual needs, may generally be 1-2m.
It should be noted is that the case where above-mentioned excavation intercepting gutter 10, is suitable for having agriculture around certain Rare-earth Mine foots of the hill
Field, the woods or other soils altitudes certain less than half weathered layer 3 of Rare-earth Mine.Certainly, for certain Rare Earth Mines
When half weathered layer 3 on mountain is equal with surrounding topography or is less than surrounding topography, it is unsuitable for excavating intercepting gutter 10, can directly determines latent
Layer water Rendezvous Point 7, and layer water aggregating apparatus 8 of diving is excavated, quantity determines that this is also ability by the quantity for layer water Rendezvous Point 7 of diving
What field technique personnel can unquestionably learn according to the application.
The operation principle of above-mentioned recovery system is as follows：Liquid injection hole 5 is beaten on Rare-earth Mine first, the depth of liquid injection hole 5 is logical
Humus layer 1 is crossed until weathered layer 2, rare earth leaching agent injects Rare-earth Mine weathered layer 2 by liquid injection hole 5, according in Rare-earth Mine
The flowing law of water leaches rare earth therein and forms re dip solution, and is flowed with diving, is farthest received by receipts liquid tunnel 6
Collection is sent outside, and what is be not collected enters with diving in the latent layer water aggregating apparatus 8 at layer water Rendezvous Point 7 of diving.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (8)
1. a kind of recovery system of re dip solution, which is characterized in that including：
At least one latent layer water aggregating apparatus（8）, it is arranged close to the Rare-earth Mine foot of the hill, depth to the as little as described Rare-earth Mine
Water table aquifer bottom or basement rock；
Intercepting gutter（10）, with the latent layer water aggregating apparatus（8）Connection, and around the Rare-earth Mine massif；
Receive liquid tunnel（6）, extend in the Rare-earth Mine to collect the re dip solution, the receipts liquid tunnel（6）Prolong
It stretches direction with the flow direction of diving to intersect, the receipts liquid tunnel（6）It is set to half weathered layer bottom of the Rare-earth Mine, and
It is tilted towards the foot of the hill of the Rare-earth Mine, the receipts liquid tunnel（6）Two side be equipped with upper and lower two and line up W broken line types point
The deflector hole of cloth（12）.
2. recovery system according to claim 1, which is characterized in that further include that can make the latent layer water aggregating apparatus（8）
The interior negative pressure generating device for generating negative pressure, so that re dip solution rapidly enters the latent layer water aggregating apparatus（8）It is interior.
3. recovery system according to claim 1 or 2, which is characterized in that the intercepting gutter（10）Furrow width be 0.3m-
0.5m, ditch depth 0.2m-0.4m；
The latent layer water aggregating apparatus（8）It is 1-5m at a distance between the Rare-earth Mine foot of the hill.
4. recovery system according to claim 1 or 2, which is characterized in that the receipts liquid tunnel（6）Extending direction with it is latent
The flow direction of water is vertical.
5. recovery system according to claim 1, which is characterized in that the receipts liquid tunnel（6）With the sharp angle of horizontal plane
It is 3-5 °；
Upper and lower two rows of deflector holes（12）Array pitch be 0.2m, the deflector hole（12）Between pitch-row be 0.2m, the water conservancy diversion
Hole（12）Hole inclination angle be 5-7 °.
6. recovery system according to claim 5, which is characterized in that the deflector hole（12）Hole depth is the receipts liquid tunnel
（6）The 2/5-3/5 of width between two side.
7. recovery system according to claim 1 or 2, which is characterized in that the latent layer water aggregating apparatus（8）And intercepting gutter
（10）Bottom and outside be both provided with impervious barrier.
8. recovery system according to claim 2, which is characterized in that the negative pressure generating device is water pump；
The latent layer water aggregating apparatus（8）For recovery pond or recovery well.
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| CN108374097B (en) * | 2017-11-16 | 2020-06-30 | 江西离子型稀土工程技术研究有限公司 | Interception process for leaching solution of rare earth ore deposited by weathering crust in south China |
| CN109469472B (en) * | 2018-12-19 | 2020-12-11 | 四川共拓岩土科技股份有限公司 | In-situ leaching mining method for ionic rare earth ore |
| CN110484723B (en) * | 2019-08-14 | 2021-03-16 | 武汉工程大学 | Thick weathering crust leaching-type rare earth ore in-situ leaching layered liquid collection system and method |
| CN111944996B (en) * | 2020-07-10 | 2022-05-17 | 五矿（北京）稀土研究院有限公司 | In-situ ore leaching method for reducing seepage through air seal |
| CN115198121A (en) * | 2022-05-05 | 2022-10-18 | 中国矿业大学(北京) | Granite weathering shell type rare earth ore cage building in-situ leaching mining method |
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