CN208594321U - One kind building stockyard heelpiece on high clay secondary copper sulfide mineral stockyard - Google Patents
One kind building stockyard heelpiece on high clay secondary copper sulfide mineral stockyard Download PDFInfo
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- CN208594321U CN208594321U CN201821193725.7U CN201821193725U CN208594321U CN 208594321 U CN208594321 U CN 208594321U CN 201821193725 U CN201821193725 U CN 201821193725U CN 208594321 U CN208594321 U CN 208594321U
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- stockyard
- heelpiece
- liquid collecting
- cofferdam
- collector tube
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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 utility model belongs to secondary copper sulfide mineral heap Leaching field, and in particular to one kind builds stockyard heelpiece on high clay secondary copper sulfide mineral stockyard.Including heelpiece impervious barrier, liquid collecting pipe network, inertia metalling, cofferdam and diversion pipe, the heelpiece impervious barrier is built on the old heap leached completely, liquid collecting pipe network in stockyard is laid with above heelpiece impervious barrier, stockyard collector tube is just laid with inertia metalling on the net, close to the side of intercepting gutter construction stockyard cofferdam and diversion pipe at the top of stockyard, by successfully intercepting gutter of the water conservancy diversion to stockyard bottom of the solution in liquid collecting pipe network.By improving, production has been restored in the high clay stockyard that can not originally continue production, and ore can continue up heap mine, save storage space, reduces farmland and occupies and subsequent expense of reclaiming, social benefit also highly significant.
Description
Technical field
The utility model belongs to secondary copper sulfide mineral heap Leaching field, and in particular to one kind is in high clay secondary copper sulfide
Stockyard heelpiece is built on mine stockyard.
Background technique
In high clay secondary copper sulfide mineral dump leaching production technology, because leaching cycle is longer, the 1-2 year is needed, therefore
Using the dump leaching process that multilayer leaches, one layer of ore does not tear heap open after leaching, directly above heap second layer ore, with
The continuous progress of high clay secondary copper sulfide mineral stockyard production, stockyard produce a series of problems:
(1) leaching of stockyard copper is sprayed using low acid solution, is taken off since high clay secondary copper sulfide mineral contains a large amount of cover
Complicated chemical reaction occurs for the clay minerals such as stone, illite and kaolin, low acid solution and clay mineral, causes ore a large amount of
Argillization.Ore after argillization forms very thick sludge layer, excessively poor, the leaching of copper that the permeability in stockyard becomes on the surface of mine heap
It slows, even if leaching for a long time, the final leaching rate of copper is also very low.
(2) in the construction of stockyard heelpiece, in order to collect the infusion solution in stockyard, stockyard surface all can be to stockyard liquid collecting
Ditch side is tilted.For high clay secondary copper sulfide mineral stockyard, because the permeability on stockyard surface is very poor, during rainy season,
The rainwater on stockyard surface effectively lower cannot seep, and then converge on stockyard surface, form very big mighty torrent and in stockyard intercepting gutter one
It comes down in torrents side；Because of stockyard ore grain size smaller (about 50mm) and it is in loose condition (of surface), the top-down flood in stockyard surface
Will cause stockyard side occur it is serious collapse and come down, cause stockyard that can not continue again upward heap mine, become discarded stockyard.
Utility model content
The purpose of this utility model is to provide a kind of to rebuild stockyard on the surface of high clay secondary copper sulfide mineral stockyard
Heelpiece solves the problems, such as stockyard poor permeability, restores the normal use in stockyard.Specific technical solution is as follows:
A kind of stockyard heelpiece built on high clay secondary copper sulfide mineral stockyard, including heelpiece impervious barrier, liquid collecting pipe network,
Inertia metalling, cofferdam and diversion pipe, the heelpiece impervious barrier is built on the old heap leached completely, in heelpiece impervious barrier
Top is laid with stockyard liquid collecting pipe network, and stockyard collector tube is just laid with inertia metalling on the net, close to the one of intercepting gutter at the top of stockyard
Stockyard cofferdam and diversion pipe are built in side, and density polyethylene film with high is wrapped up on the cofferdam, and diversion pipe uses high density polyethylene (HDPE)
Pipe, is mounted on the middle position in cofferdam, and front end is connected with liquid collecting pipe network, is using density polyethylene film with high by the part in cofferdam
Welded seal, by successfully intercepting gutter of the water conservancy diversion to stockyard bottom of the solution in liquid collecting pipe network.
The liquid collecting pipe network uses the bellows of high density polyethylene, and laying shape is fishbone shape, i.e., in stockyard
It is intermediate be laid with main collector tube, connect with diversion pipe；It is laid with branch collector tube in main collector tube two sides, according to wanting for stockyard collection liquid measure
It asks, main collector tube uses different calibers.
The beneficial effects of the utility model
(1) it in the reconstruction process of stockyard heelpiece, makes full use of the leaching sludge of high clay pit to do antiseepage heelpiece, does not need
Clay is re-layed, only several road roller equipment is needed to roll, simplifies clay construction operation complicated in the heelpiece of stockyard.
(2) by rebuilding high clay pit stockyard heelpiece, restore and improve the permeability in stockyard, solve stockyard permeability
Difference, a series of problems, such as leaching velocity is slow, leaching rate is low and rainy season stockyard side collapses and comes down.
(3 on old stockyard due to rebuilding stockyard heelpiece, and the ore spray solution on the heelpiece of stockyard is no longer needed through old heap
, but the intercepting gutter of stockyard bottom is introduced directly by liquid collecting pipeline, the seepage distance of solution is greatly reduced, the infiltration in stockyard
Permeability is very high, because the leaching velocity and leaching rate in stockyard are directly related with the permeability in stockyard, so the mine on the heelpiece of stockyard
Stone leaching velocity and leaching rate will increase substantially.
(4) by improving, production has been restored in the high clay stockyard that can not originally continue production, and ore can continue up
Heap mine, saves storage space, reduces farmland and occupies and subsequent expense of reclaiming, social benefit also highly significant.
Detailed description of the invention
Fig. 1 is the construction stockyard base mat structure figure on high clay secondary copper sulfide mineral stockyard of the utility model；
Fig. 2 is the structural scheme of mechanism of liquid collecting pipe network；
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Embodiment 1
The utility model makes full use of the sludge property on high clay secondary copper sulfide mineral stockyard surface with the property phase of clay
Close feature replaces clay with stockyard surface sludge, and stockyard heelpiece is rebuild on the surface of high clay stockyard, restores and improves stockyard
Permeability.The utility model rebuilds the scheme of stockyard heelpiece in large-scale wet type copper smelting project Burma on high clay pit stockyard
Yangtze Tong Ye Co., Ltd obtains practical application, and there are 9 units in the high clay pit stockyard of the said firm, and each unit is 700 meters long, wide by 80
Rice, needs reconstruction regions to have about 400,000 m2.Related Specific construction requires as follows: seeing Fig. 1, Fig. 2
The construction of stockyard heelpiece is by impervious barrier 2, liquid collecting pipe network 3,6 five part structure of inertia metalling 4, cofferdam 5 and diversion pipe
At each section relationship is as follows:
Stockyard heelpiece impervious barrier 2 is built, by all sprays supervisor and branch pipe first on the old stockyard 1 that leaching is completed
It removes, using natural temperature and sunlight, the shale ore of stockyard upper surface is allowed slowly to air-dry.For many water on the surface of stockyard
Hole area carries out turning using excavator, to guarantee that the water content of stockyard surface sludge is uniform.For the bulk on stockyard surface
Ore can not be compacted if ore hardness is larger, be then drawn off using equipment.It stockyard smooth and roll work and adopts
With bull-dozer and road roller, each dump leaching unit is equipped with 2 bull-dozers and 2 road rollers.In order to guarantee that spray solution can be suitable
It is collected sharply by the liquid collecting pipe-line system of 2 top of impervious barrier, the vertical and horizontal of stockyard heelpiece have the gradient, wherein indulging
It is 1% to the gradient, the cross fall at boundary to the stockyard center of stockyard heelpiece is 0.5%.With the slowly evaporation of stockyard moisture,
After the sludge water content on stockyard surface is suitble to compacting operation to require, starts to carry out stockyard surface smooth and compacting, build stockyard
Heelpiece impervious barrier.
It is laid with stockyard liquid collecting pipe network 3.Using the bellows of high density polyethylene (HDPE) (HDPE), be laid with shape is liquid collecting pipe network 3
Fishbone shape.Intermediate in stockyard is laid with main collector tube 9, and according to the requirement of stockyard collection liquid measure, main collector tube uses different calibers；
The main collector tube 9 that diameter 200mm and 250mm are used behind stockyard, uses diameter 300mm and 350mm before stockyard
Main collector tube 9.Diameter 110mm branch collector tube 10 is laid in main 9 two sides of collector tube.The spacing of branch collector tube 10 is 20m, in heap
The middle position of field, branch collector tube 10 are connected with main collector tube 9.During stockyard sprays, spray solution is seeped by stockyard surface
It thoroughly to newly-built stockyard antiseepage heelpiece, is flowed into branch collector tube 10, and then is flowed into main collector tube 9 by the aperture of branch collector tube, from
And spray solution is effectively exported from the bottom in stockyard.
Stockyard collector tube be laid with after the completion of repaves one layer of inertia metalling 4, liquid collecting pipe network 3 is protected, at the same with collection
Liquid pipe net 3 collectively forms the solution water guide layer in stockyard.
The barren rock of low-grade, high rigidity of the inertia metalling 4 in stope, low clay content.Barren rock needs secondary broken
Broken and washup, the granularity of rubble are about 30mm.Inertia metalling 4 is transported with belt conveyer onto stockyard, is layered on liquid collecting pipeline
Top, be laid with it is even with a thickness of 300mm.During building heap, due to the protection of inertia rubble, the fine ore in ore can not
Into in liquid collecting pipeline, liquid collecting pipeline had both been protected, has in turn avoided blocking of the fine ore to liquid collecting pipeline.
The front end at the top of stockyard is built in cofferdam 5, and cofferdam height is 1m, and width 0.5m, 5 material of cofferdam is using high viscous
Native sludge, the upper surface of cofferdam 5 wrap up density polyethylene film with high, film with a thickness of 1mm, the acid for protecting sludge cofferdam not sprayed
Property solution corrode.Diversion pipe 6 is mounted on the middle position in cofferdam, front end and collection using the high density polyethylene pipe of diameter 350mm
Liquid supervisor 9 is connected, and is using density polyethylene film with high welded seal by the place in cofferdam.By stockyard top to stockyard bottom
Diversion pipe 6 uses the high density polyethylene pipe of diameter 350mm.Solution in liquid collecting supervisor passes through cofferdam 5 and diversion pipe 6 successfully
By the bottom intercepting gutter 8 of infusion solution water conservancy diversion to stockyard.
9 high clay stockyard units of the said firm are fully completed reconstruction and restore dump leaching production.According to the practical leaching of each unit
Artificial situation, the permeability in stockyard is very good, and spray to the solution on stockyard has 95% to export above stockyard by liquid collecting pipe network.
The leaching rate of ore increases substantially, and average leaching rate more normal than stockyard is higher by about 50%, achieves extraordinary leaching effect.
Because of the reconstruction of high clay pit stockyard heelpiece, production has been restored in the high clay pit stockyard that can not originally continue production,
About 400,000 m of repair and reconstruction storage space2, can about 20,000,000 t of dump leaching ore again, be equivalent to newly-built 5 new dump leaching units, save
About 280,000 m of stockyard land area2.The project implementation is not only able to meet the needs of normal dump leaching in mine produces, and protects
Environment reduces farmland and occupies and subsequent expense of reclaiming, and does not influence substantially on the life of villager around, society's effect of project
Beneficial also highly significant.
Claims (2)
1. one kind on high clay secondary copper sulfide mineral heap build stockyard heelpiece, which is characterized in that including heelpiece impervious barrier (2),
Liquid collecting pipe network (3), inertia metalling (4), cofferdam (5) and diversion pipe (6), described heelpiece impervious barrier (2) construction is completely
On the old heap (1) leached, stockyard liquid collecting pipe network (3) are laid with above heelpiece impervious barrier (2), paving above stockyard liquid collecting pipe network (3)
If inertia metalling (4), side construction stockyard cofferdam (5) and diversion pipe (6) at the top of stockyard close to intercepting gutter (8) are described
Cofferdam (5) on wrap up density polyethylene film with high, diversion pipe (6) uses high density polyethylene pipe, is mounted on the centre of cofferdam (5)
Position, front end are connected with liquid collecting pipe network (3), are using density polyethylene film with high welded seal by the part of cofferdam (5), will collect
Solution in liquid pipe net (3) successfully intercepting gutter (8) of the water conservancy diversion to stockyard bottom.
2. one kind according to claim 1 builds stockyard heelpiece on high clay secondary copper sulfide mineral heap, which is characterized in that
The liquid collecting pipe network (3) uses the bellows of high density polyethylene, and laying shape is fishbone shape, the i.e. centre in stockyard
Main collector tube (9) are laid with, are connect with diversion pipe (6)；Branch collector tube (10) are laid in main collector tube (9) two sides, main collector tube (9)
It is connected with branch collector tube (10), according to the requirement of stockyard collection liquid measure, main collector tube (9) uses different calibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821193725.7U CN208594321U (en) | 2018-07-26 | 2018-07-26 | One kind building stockyard heelpiece on high clay secondary copper sulfide mineral stockyard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821193725.7U CN208594321U (en) | 2018-07-26 | 2018-07-26 | One kind building stockyard heelpiece on high clay secondary copper sulfide mineral stockyard |
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| Publication Number | Publication Date |
|---|---|
| CN208594321U true CN208594321U (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821193725.7U Active CN208594321U (en) | 2018-07-26 | 2018-07-26 | One kind building stockyard heelpiece on high clay secondary copper sulfide mineral stockyard |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616319A (en) * | 2019-10-31 | 2019-12-27 | 万宝矿产有限公司 | Secondary copper sulfide ore inflation infiltration heap leaching method |
| CN112899475A (en) * | 2021-03-25 | 2021-06-04 | 长沙矿山研究院有限责任公司 | Multistage linkage collection device and method for mineral leaching liquid of metal mine dump leaching field |
| CN112899474A (en) * | 2021-03-25 | 2021-06-04 | 长沙矿山研究院有限责任公司 | Device and method for collecting mineral leaching liquid at upper, middle and lower three positions of mineral leaching liquid in heap leaching field |
-
2018
- 2018-07-26 CN CN201821193725.7U patent/CN208594321U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616319A (en) * | 2019-10-31 | 2019-12-27 | 万宝矿产有限公司 | Secondary copper sulfide ore inflation infiltration heap leaching method |
| CN112899475A (en) * | 2021-03-25 | 2021-06-04 | 长沙矿山研究院有限责任公司 | Multistage linkage collection device and method for mineral leaching liquid of metal mine dump leaching field |
| CN112899474A (en) * | 2021-03-25 | 2021-06-04 | 长沙矿山研究院有限责任公司 | Device and method for collecting mineral leaching liquid at upper, middle and lower three positions of mineral leaching liquid in heap leaching field |
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