CN202047110U - Multifunctional automatic control column leaching test device - Google Patents
Multifunctional automatic control column leaching test device Download PDFInfo
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- CN202047110U CN202047110U CN2011201134382U CN201120113438U CN202047110U CN 202047110 U CN202047110 U CN 202047110U CN 2011201134382 U CN2011201134382 U CN 2011201134382U CN 201120113438 U CN201120113438 U CN 201120113438U CN 202047110 U CN202047110 U CN 202047110U
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Abstract
A multifunctional automatic control column leaching test device belongs to the field of infiltration ore exploration, and mainly comprises a liquid circulation system, a water circulation system, a gas circulation system, an automatic control system and a data acquisition system. The liquid circulation system comprises a reaction column, an overhead tank and a liquid collection tank. The water circulation system comprises a hot water tank, an electromagnetic valve, a liquid collection tank jacket, a reaction column jacket and an overhead tank jacket. The gas circulation system comprises an air compressor, a gas flowmeter and a control valve. Automatic regulation of leaching system temperature, oxygen solubility and solution flow is achieved through the automatic control system. The data acquisition system is capable of achieving automatic real-time acquisition and storage of solution pH value, oxygen solubility, electric level, temperature and the like. The multifunctional automatic control column leaching test device can be used for indoor simulation test and semi-industrial scale pilot test according to heap leaching field conditions and actual ore particle sizes, multi-phase and multi-stage seepage status of ore bulks and microbial leaching biochemical process of the ore bulks can be simulated effectively, and fundamental materials are provided for heap leaching production practice and technical parameter optimization.
Description
Technical field
The invention belongs to the solution mining field, specially refer to a kind of multi-functional automatic control leaching test device.
Background technology
Solution mining is to utilize some chemical solvents and micronic dust thing, dissolve, leach and reclaim a kind of mining methods of useful component in mineral deposit, ore or the barren rock selectively, compare with traditional reoovery method, the most outstanding characteristics of solution mining can reclaim middle-size and small-size mineral deposit resource, complicated difficult ore, low grade ore exactly effectively, even can processing list outer ore, residual ore deposit, mine tailing and barren rock, for example: the copper mine stone grade that the U.S. adopts dump leaching to handle is low to 0.04%.In addition, solution mining technology dirt produces low, the environmental friendliness of cost, is described as the green production technique of metallic ore, and at present, 25% bronze medal, 20% uranium are from production by dissolving and leaching process in the world.
The dump leaching system is heterogeneous many coexistences of a complexity, coefficient system, for a long time, domestic and international researcher generally will leach the ore deposit heap and ore body is considered as "black box", instrument is paid close attention to the variation that flows into and flow out bulk parameters such as solution chemistry composition and concentration, lack simulation heap leaching process combined test apparatus, interaction of multiphase medium process in the leaching system is not furtherd investigate.
Summary of the invention
The present invention is a kind of multi-functional automatic control leaching test device.Purpose is in order to research solution mining heterogeneous, many, multifactor coupling process, discloses the response mechanism of leaching system under heterogeneous many field conditions, to improve the leaching yield and the leaching rate of an ore deposit rock prose style free from parallelism.
A kind of multi-functional automatic control leaching test device mainly comprises: fluid circulation, water circulation system, the gas recycle system, automatic control system, data collecting system.
Fluid circulation comprises high level tank 1, under meter 14, reaction column 2, connects flow container 3, acidproof recycle pump 8, high level tank 1, reaction column 2, connects flow container 3 equal strap clamp covers, and three chucks communicate by pipeline, can carry out water cycle with the control temperature of reaction system.The material of tank body is stainless steel SUS316L, has very strong erosion resistance, and the chuck material is stainless steel SUS304.Reaction column 2 has higher intensity, and guaranteeing after filling ore not can deformation failure; Be equipped with one on the reaction column and observe visor 17 and a Glass tubing liquid level sight gauge 16; The upper, middle and lower of reaction column cylinder are provided with three solid-liquid thief holes 13; The intermediary thief hole can be used as the inlet mouth of reaction column, and the outside is equipped with gas meter 15 and is linked to each other with air compressor machine 7; Temperature sensor 9 is equipped with in reaction column cylinder bottom.14 1 in anti-acid under meter is equipped with at high level tank 1 fluid switch place, links to each other with reaction column 2; The bottom is provided with inlet mouth, is connected with air compressor machine 7, can aeration in jar; Temperature sensor 9 also is equipped with in high level tank tank body bottom.Connect flow container 3 bottoms and be provided with inlet mouth, can solution aerating in jar by air compressor machine, in addition, connect the flow container tank body temperature sensor 9, pH electrode 10, dissolved oxygen electrode 11, redox electrode 12 also are housed, can realize jar real-time automatic collecting of interior solution correlation parameter.Acidproof recycle pump 8 is installed between the pipeline that connects flow container 3 and high level tank 1.
Water circulation system by hot well tank 4, magnetic valve 18, connect flow container 3 chucks, reaction column 2 chucks and high level tank 1 chuck and constitute.Temperature sensor, well heater, automatic water-replenishing device, recycle pump are housed in the hot well tank 4.After water temperature was heated to certain temperature in the hot well tank, through recycle pump and magnetic valve 18, successively flowing through connect flow container 3 chucks, reaction column 2 chucks and high level tank 1 chuck, gets back to hot well tank at last.Therefore, can be by setting water temperature in the hot well tank, the control that realizes leaching system temperature.
The gas recycle system is made up of air compressor 7, gas meter 15, pressurized air is behind air compressor machine 7, can enter reaction column 2 respectively, connect flow container 3, high level tank 1, gas meter 15 is installed between air compressor machine 7 and the reaction column inlet mouth 13, the aerating speed of may command reaction column 2.
Controlling System is made up of spot sensor, transmitter, controller 6, display instrument 5, communication system.Can realize the online auto monitoring of temperature, pH value of solution value, concentration of oxygen gas, current potential, to the automatic monitoring and the control automatically of leaching system temperature, solution circulated.
Data collecting system comprises that schema, panel board, real-time curve, operation, history curve, history report, warning processing and system withdraw from.Can show the technical process of whole leaching system, realize the demonstration of automatic control system and the real-time collection and the storage of operation and spot sensor data.
The present invention soaks testing apparatus for a kind of multi-functional automatic control post, can simulate heap leaching process gas-liquid two-phase seepage flow, ore deposit rock leaching physical and chemical process by this device, factors such as integrated survey temperature, bacterial concentration, redox potential, concentration of oxygen gas are to the rule that influences of ore deposit rock leaching process, may ultimately reach to optimize to leach environment, improve the ore-leaching bacteria activity, improve the purpose of mineral leaching yield.
Use the present invention to simulate ore deposit rock prose style free from parallelism micronic dust thing leaching process, but monitoring reaction system temperature, pH value of solution value, current potential, concentration of oxygen gas, and the regulation and control that can realize leaching system pH, temperature, dissolved oxygen amount.This apparatus function is various, level of automation is high, can simulate the heterogeneous multistage seepage flow of leaching process, ore deposit rock prose style free from parallelism micronic dust thing and leach the dirt reaction process, for disclosing the fine sight environment of leaching system, the long breeding of micronic dust thing dirt, soaking the ore deposit reaction process basic technical guarantee is provided.
Description of drawings
Fig. 1 soaks the schematic flow sheet of testing apparatus for multi-functional automatic control post.
The 1-high level tank, the 2-reaction column, 3-connects flow container, the 4-hot well tank, 5-display instrument, 6-controller, the 7-air compressor machine, the acidproof recycle pump of 8-, 9-temperature sensor, the 10-pH electrode, 11-dissolved oxygen electrode, 12-redox electrode, the 13-thief hole, 14-liquid meter, 15-gas meter, 16-liquid level sight gauge, 17-porthole, 18-magnetic valve
→ represent the water cycle circuit,
Represent the gas recycle circuit,
Represent the liquid recycle circuit.
Embodiment
Below the present invention is described further, but protection scope of the present invention is not limited to the following scope of describing embodiment.
As Fig. 1, apparatus main body comprises high level tank 1, reaction column 2, connects flow container 3, hot well tank 4, display instrument 5, controller 6, air compressor machine 7.Below in conjunction with case introduction the specific embodiment of the present invention.
Get certain copper sulfide ore as test sample, carry out micronic dust thing leaching test.
(1) ore is prepared: behind certain particle size, pack in the reaction column ore reduction into sealing thief hole 13 by the thief hole on the reaction column 2 13.
(2) temperature adjusting: controller 6 is set the water temperature of hot well tank 4, well heater is started working, recirculated water begins to heat up, when temperature reaches the water tank design temperature in the hot well tank 4, by automatic control system well heater cuts out, by recycle pump water is pumped into and connect flow container 3 chucks, flow through again reaction column 2 chucks, high level tank 1 chuck, get back to hot well tank 3 at last, form the water cycle heat-insulation system, make temperature of reaction system reach design temperature.Solution is prepared: leaching solution is packed into to be connect in the flow container 3, and display instrument 5 can read the measured value of the temperature sensor 9 that connects on the flow container 3, pH electrode 10, dissolved oxygen electrode 11, redox electrode 12 automatically, by adding H
2SO
4, Fe
3+, measures such as ore-leaching bacteria, inflation regulate the leaching solution parameters.
(3) leach beginning: by the acidproof recycle pump 8 of controller 6 controls, leaching solution is pumped in the high level tank 1, acidproof under meter 14 is housed with control leaching solution flow velocity between high level tank 1 and the reaction column 2, the flow control scope is generally 0.02-0.6m
3/ h, open under meter 14, leaching solution enters reaction column 2 and sends out dirt leaching reaction with the ore deposit rock, can observe post internal reaction situations by porthole 17, by liquid level in the liquid level sight gauge 16 may observe posts, also can take out ore deposit rock and solution in the process of the test by thief hole 13, with mineralogical composition changing conditions in the assay determination tool, leach liquor flow through reaction column and send out dirt reaction with the ore deposit rock after, get back to connecing in the flow container 3, just finished whole leaching working cycle, then can carry out next round and leach circulation.
(4) gas circulation: in leaching reaction process,, open air compressor machine 7 when dissolved oxygen amount can not satisfy the ore-leaching bacteria needs, in jar, be pressed into air, increase dissolved oxygen amount, wherein, in air compressor machine leads to the branch road of reaction column, a gas meter 15 is housed, enters flow in the reaction column with control.
(5) parameter monitoring: by being installed in high level tank 1, reaction column 2, connecing temperature sensor 9, pH electrode 10, dissolved oxygen electrode 11, redox electrode 12 on the flow container 3, can realize temperature, pH value, concentration of oxygen gas, the isoparametric automatic collection of current potential in the leaching system, and be stored in display instrument 5.
Claims (6)
1. a multi-functional automatic control post soaks testing apparatus, and its feature comprises: fluid circulation, water circulation system, the gas recycle system, automatic control system, data collecting system; Described fluid circulation by high level tank (1), reaction column (2), connect flow container (3) and form; Described water circulation system by hot well tank (4), magnetic valve (18), connect flow container (3) chuck, reaction column (2) chuck and high level tank (1) chuck and form; The described gas recycle system is made up of air compressor (7), gas meter (15); Described automatic control system is made up of spot sensor, transmitter, controller (6), display instrument (5), communication system; Described data collecting system comprises that schema, panel board, real-time curve, operation, history curve, history report, warning processing and system withdraw from;
In the described fluid circulation, high level tank (1) links to each other with reaction column (2) on frame, and reaction column (2) is connected with the flow container (3) that connects that is placed on frame lower again; One acidproof liquid meter (14) is housed between high level tank (1) and the reaction column (2); Connect between flow container (3) and the high level tank (1) acidproof recycle pump (8) is housed;
In the described water circulation system, the external magnetic valve of hot well tank (4) (18), magnetic valve (18) is connected to and connects flow container (3) chuck, connect flow container (3) chuck and be connected to reaction column (2) chuck, reaction column (2) chuck is connected to high level tank (1) chuck, and last high level tank (1) chuck and hot well tank (4) are connected to form the loop;
In the described gas recycle system, air compressor machine (7) respectively with high level tank (1), reaction column (2), connect flow container (3) and link to each other, between air compressor machine (7) and the reaction column (2) gas meter (15) is housed.
2. multi-functional automatic control post according to claim 1 soaks experimental installation, it is characterized in that: described high level tank (1), reaction column (2), connect flow container (3) chuck is all arranged, regulate by chuck internal recycle water and leach system temperature; The tank body material is stainless steel SUS316L, and the chuck material is stainless steel SUS304; Temperature sensor (9) all is housed on the jar.
3. multi-functional automatic control post according to claim 1 soaks experimental installation, it is characterized in that: be equipped with one on described reaction column (2) cylinder and observe a visor (17) and a liquid level sight gauge (16); Cylinder is provided with three solid-liquid thief holes (13).
4. multi-functional automatic control post according to claim 1 soaks experimental installation, it is characterized in that: temperature sensor (9), pH electrode (10), dissolved oxygen electrode (11) and redox electrode (12) are equipped with in described flow container (3) bottom that connects.
5. multi-functional automatic control post according to claim 1 soaks experimental installation, it is characterized in that: described magnetic valve (18) links to each other with controller (6) by circuit, by controller (6) control automatically.
6. multi-functional automatic control post according to claim 3 soaks experimental installation, and it is characterized in that: described hot well tank is equipped with temperature sensor, well heater, automatic water-replenishing device, recycle pump in (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201134382U CN202047110U (en) | 2011-04-18 | 2011-04-18 | Multifunctional automatic control column leaching test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011201134382U CN202047110U (en) | 2011-04-18 | 2011-04-18 | Multifunctional automatic control column leaching test device |
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| CN202047110U true CN202047110U (en) | 2011-11-23 |
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| CN2011201134382U Expired - Fee Related CN202047110U (en) | 2011-04-18 | 2011-04-18 | Multifunctional automatic control column leaching test device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253099A (en) * | 2011-04-18 | 2011-11-23 | 北京科技大学 | Multifunctional automatic control column leaching experimental facility |
| CN102928254A (en) * | 2012-10-22 | 2013-02-13 | 北京市水产科学研究所 | Intelligent water sampler |
| CN103663471A (en) * | 2013-11-21 | 2014-03-26 | 成都兴能新材料有限公司 | Microbiological leaching device for silicon material |
| CN105388249A (en) * | 2014-09-03 | 2016-03-09 | 中国石油天然气股份有限公司 | Apparatus and method for testing acid-etched crack diversion capability |
| CN110274852A (en) * | 2019-07-15 | 2019-09-24 | 长安大学 | A kind of groundwater dynamic experimental system for simulating and experimental method |
| CN111811995A (en) * | 2020-07-17 | 2020-10-23 | 中国地质大学（北京） | Visual test method and system for simulating coarse single-cross fracture multiphase seepage |
| CN111826520A (en) * | 2020-06-28 | 2020-10-27 | 北京科技大学 | Experimental device and method for reinforcing copper sulfide ore leaching by using seawater-based solution |
| CN113088688A (en) * | 2021-04-15 | 2021-07-09 | 攀钢集团攀枝花钢铁研究院有限公司 | Acid adding device suitable for vanadium slag leaching process |
-
2011
- 2011-04-18 CN CN2011201134382U patent/CN202047110U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102253099A (en) * | 2011-04-18 | 2011-11-23 | 北京科技大学 | Multifunctional automatic control column leaching experimental facility |
| CN102928254A (en) * | 2012-10-22 | 2013-02-13 | 北京市水产科学研究所 | Intelligent water sampler |
| CN102928254B (en) * | 2012-10-22 | 2015-07-22 | 北京市水产科学研究所 | Intelligent water sampler |
| CN103663471A (en) * | 2013-11-21 | 2014-03-26 | 成都兴能新材料有限公司 | Microbiological leaching device for silicon material |
| CN105388249A (en) * | 2014-09-03 | 2016-03-09 | 中国石油天然气股份有限公司 | Apparatus and method for testing acid-etched crack diversion capability |
| CN105388249B (en) * | 2014-09-03 | 2017-10-17 | 中国石油天然气股份有限公司 | A kind of device and method for testing acid corrosion fracture |
| CN110274852A (en) * | 2019-07-15 | 2019-09-24 | 长安大学 | A kind of groundwater dynamic experimental system for simulating and experimental method |
| CN110274852B (en) * | 2019-07-15 | 2021-08-17 | 长安大学 | Underground water dynamic simulation experiment system and method |
| CN111826520A (en) * | 2020-06-28 | 2020-10-27 | 北京科技大学 | Experimental device and method for reinforcing copper sulfide ore leaching by using seawater-based solution |
| CN111826520B (en) * | 2020-06-28 | 2021-04-20 | 北京科技大学 | Experimental device and method for reinforcing copper sulfide ore leaching by using seawater-based solution |
| CN111811995A (en) * | 2020-07-17 | 2020-10-23 | 中国地质大学（北京） | Visual test method and system for simulating coarse single-cross fracture multiphase seepage |
| CN111811995B (en) * | 2020-07-17 | 2022-04-15 | 中国地质大学（北京） | Visual test method and system for simulating coarse single-cross fracture multiphase seepage |
| CN113088688A (en) * | 2021-04-15 | 2021-07-09 | 攀钢集团攀枝花钢铁研究院有限公司 | Acid adding device suitable for vanadium slag leaching process |
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Granted publication date: 20111123 Termination date: 20120418 |