CN205473939U - Test device that adoption CO2+O2 soaks uranium ore pressured column - Google Patents
Test device that adoption CO2+O2 soaks uranium ore pressured column Download PDFInfo
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- CN205473939U CN205473939U CN201620026603.3U CN201620026603U CN205473939U CN 205473939 U CN205473939 U CN 205473939U CN 201620026603 U CN201620026603 U CN 201620026603U CN 205473939 U CN205473939 U CN 205473939U
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- ball valve
- inlet pipe
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- fluid reservoir
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Abstract
Test device that adoption CO2+O2 soaks uranium ore pressured column, test device include the liquid storage pot, leach the post, a plurality of ball valve, two manometers, pressure reducer and right angle type ball valves. Be equipped with water inlet pipe connector, CO2 intake pipe, CO2 intake pipe and the first pressure meter connector of dribbling valve on the upper head plate of liquid storage pot, first manometer is installed on pressure meter connector's ball valve, and in the other end of CO2 intake pipe and CO2 intake pipe stretched into the barrel of liquid storage pot respectively, the lower extreme of liquid storage pot section of thick bamboo wall was equipped with liquid outlet pipe connector. Leaching the post and including cylindrical barrel and end cover, the end cover passes through the bolt to be connected with the barrel, and the end cover is equipped with the feed liquor coupling and the second pressure meter connector of dribbling valve, and ball valve on the feed liquor coupling passes through the play liquid articulate on pipeline and the liquid storage pot, and the second manometer is installed on second pressure meter connector's ball valve, right angle type ball valve, pressure reducer and ball valve in proper order with leach post liquid outlet pipe connector and be connected.
Description
Technical field
This utility model relates to Uranium Mining smelting tech field, particularly a kind of employing CO2+O2Assay device to the leaching of uranium ore pressured column.
Background technology
Uranium system natural uranium production technology is soaked with including, dump leaching, convention stir leach and the big class of stope leaching four, wherein ground-dipping uranium extraction technology has become the important method of Uranium Mining smelting.CO in ground-dipping uranium extraction technology2+O2Extract technology, through experimental study for many years, has been achieved with important breakthrough, is acknowledged as current green mining technique representative achievements.At present, CO2+O2Extract technology is widely used to sandstone In-situ Leaching Uranium Mine, but having to pass through substantial amounts of indoor leaching test, indoor pressurization column leaching test, field condition test, field expansion test etc. before this technique production application, wherein indoor pressurization leaches the highly important research contents that column leaching test is whole test link.Pressure leaching column leaching test needs some actual conditions in simulated field application process, and its result of the test has very important directive significance to the on-the-spot test of lower step, and its result of the test can be as the direct basis carrying out on-the-spot test.For preferably making indoor pressurization leaching test condition match with site application conditions, assay device and test method be designed to affect the key factor of the reliability of its result of the test, accuracy etc..
Existing indoor pressurization leaches column leaching test apparatus structure complexity, parameter difficulty controls, fluctuation of service, it is not easy to obtain satisfactory result.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art to provide a kind of and use CO2+O2Assay device to the leaching of uranium ore pressured column.
The technical solution of the utility model is: use CO2+O2Assay device to the leaching of uranium ore pressured column, including fluid reservoir, leaches post, the first ball valve, the second ball valve, the 3rd ball valve, the 4th ball valve, the 5th ball valve, the 6th ball valve, the 7th ball valve, the first Pressure gauge, the second Pressure gauge, decompressor and perpendicular type ball valve.
Fluid reservoir is the cylindrical tube of a closed at both ends, and the upper head plate of fluid reservoir is provided with admitting pipe joint, O2Air inlet pipe, CO2Air inlet pipe and the first pressure tapping, one end of the 3rd ball valve is arranged in the first pressure tapping, and the first Pressure gauge is arranged on the other end of the 3rd ball valve, and the 4th ball valve is arranged on admitting pipe joint, and the first ball valve and the second ball valve are separately mounted to O2Air inlet pipe and CO2In air inlet pipe, O2Air inlet pipe and CO2The other end of air inlet pipe is respectively protruding in the cylinder of fluid reservoir, and away from fluid reservoir cylinder body bottom 2～3cm, the lower end of fluid reservoir barrel is provided with liquid outlet joint, and liquid outlet joint position is less than O2Air inlet pipe and CO2The gas outlet of air inlet pipe.
Leach post and include that cylindrical tube and the end cap of one end open are closed in an one end, the opening of cylinder is provided with the flange being connected with end cap, end cap is provided with feed tube joint and the second pressure tapping, 5th ball valve is arranged on feed tube joint, the other end of the 5th ball valve is connected with the liquid outlet joint on fluid reservoir by pipeline, 6th ball valve is arranged in the second pressure tapping, second Pressure gauge is arranged on the other end of the 6th ball valve, end cap is arranged on flange by bolt, the bottom leached in column casing body is provided with screen cloth, the bottom leaching post is provided with liquid outlet joint, perpendicular type ball valve, decompressor and the 7th ball valve pass sequentially through pipeline and are connected with liquid outlet joint.
This utility model compared with prior art has a characteristic that
1, the assay device simple in construction that this utility model provides, easy to operate, is suitable for pressure limit wide.
2, leaching process is stable, controlled, and the Leaching Rule of uranium is strong.
Below in conjunction with the drawings and specific embodiments, detailed construction of the present utility model is further described.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model；
Accompanying drawing 2 is the structural representation of fluid reservoir；
Accompanying drawing 3 is the top view of accompanying drawing 2；
Accompanying drawing 4 is the structural representation leaching post；
Accompanying drawing 5 is the top view of accompanying drawing 4；
Accompanying drawing 6 is test schematic diagram.
Detailed description of the invention
Use CO2+O2Assay device to the leaching of uranium ore pressured column, including fluid reservoir 1, leaches post the 2, first ball valve the 3, second ball valve the 4, the 3rd ball valve the 5, the 4th ball valve the 6, the 5th ball valve the 7, the 6th ball valve the 8, the 7th ball valve the 9, first Pressure gauge the 10, second Pressure gauge 11, decompressor 12 and perpendicular type ball valve 13.
Fluid reservoir 1 is the cylindrical tube of a closed at both ends, and the upper head plate of fluid reservoir 1 is provided with admitting pipe joint 1-1, O2Air inlet pipe 1-2, CO2Air inlet pipe 1-3 and the first pressure tapping 1-4, one end of 3rd ball valve 5 is arranged on the first pressure tapping 1-4, first Pressure gauge 10 is arranged on the other end of the 3rd ball valve 5, and the 4th ball valve 6 is arranged on admitting pipe joint 1-1, and the first ball valve 3 and the second ball valve 4 are separately mounted to O2Air inlet pipe 1-2 and CO2In air inlet pipe 1-3, O2Air inlet pipe 1-2 and CO2The other end of air inlet pipe 1-3 is respectively protruding in the cylinder of fluid reservoir 1, and away from tank base 2～3cm, the lower end of fluid reservoir 1 barrel is provided with liquid outlet joint 1-5, and liquid outlet joint 1-5 position is less than O2Air inlet pipe 1-2 and CO2The gas outlet of air inlet pipe 1-3.
nullLeach post 2 and include that the cylindrical tube 2-1 and end cap 2-3 of one end open are closed in an one end，The opening of cylinder 2-1 is provided with the flange 2-2 being connected with end cap 2-3，End cap 2-3 is provided with feed tube joint 2-4 and the second pressure tapping 2-5，5th ball valve 7 is arranged on feed tube joint 2-4，The other end of the 5th ball valve 7 is connected with liquid outlet joint 1-5 on fluid reservoir 1 by pipeline，6th ball valve 8 is arranged on the second pressure tapping 2-5，Second Pressure gauge 11 is arranged on the other end of the 6th ball valve 8，End cap 2-3 is arranged on flange 2-2 by bolt，The bottom leached in post 2 cylinder is provided with screen cloth 2-7，The bottom leaching post 2 is provided with liquid outlet joint 2-6，Perpendicular type ball valve 13、Decompressor 12 and the 7th ball valve 9 pass sequentially through pipeline and are connected with liquid outlet joint 2-6.
Use CO2+O2The test method that uranium ore sample pressured column is soaked by pressured column leaching assay device, its concrete operation step is as follows:
A, fluid reservoir 1 is fixed on agitator 14, by CO2Steel cylinder 16 and O2Steel cylinder 15 is connected with the first ball valve 3 on fluid reservoir 1 and the second ball valve 4 respectively by pipeline.
B, loading uranium ore sample, the end cap 2-2 leached on post 2 is opened, first in leaching post 2, load sandstone filtering pading layer, filter course height 5～6cm, then load uranium ore sample in batches, after adding uranium ore sample every time, slowly add water to the upper surface of uranium ore sample, with air in eliminating leaching post 2, after uranium ore sample installs, uranium ore sample upper surface, from leaching post 2 top 1～2cm, then covers end cap 2-2.
C, preparing leaching solution, open the 4th ball valve 6 to fluid reservoir 1 water filling, the water surface closes the 4th ball valve 6 when fluid reservoir 1 top 2～3cm；Open O again2Decompressor valve on steel cylinder 15, adds at a slow speed O in fluid reservoir 12, and start agitator 14 simultaneously, until pressure reaches and stablizes 1～6MPa, close O2Decompressor valve on steel cylinder 15, stops oscillation；Then CO is opened2Decompressor valve on steel cylinder 16, adds at a slow speed CO in fluid reservoir 12, and start agitator 14 simultaneously, until pressure reaches and stablizes 1～6MPa, close CO2Decompressor valve on steel cylinder 16, stops oscillation.
D, uranium ore sample leach, and open the 5th ball valve 7 leached on post 2, and fluid reservoir 1 includes CO2And O2Solution entered by pipeline and leach post 2 uranium ore sample is leached, in leaching process, leaching, every 24h, the leachate taking out 100～500mL bottom post 2, sample time is 30～120min, analyzes the pH value in leachate, U concentration, CO3 2-Concentration, HCO3 -Concentration.
E, when take out leachate volume be fluid reservoir 1 in liquor capacity 50～70% time, prepare leaching solution according to step C.
F, when the U concentration during liquid meter leaching rate reaches more than 95% or leachate less than 5mg/L time, off-test.
Claims (1)
1. use CO2+O2Assay device to the leaching of uranium ore pressured column, is characterized in that: includes fluid reservoir, leach post, the first ball valve, the second ball valve, the 3rd ball valve, the 4th ball valve, the 5th ball valve, the 6th ball valve, the 7th ball valve, the first Pressure gauge, the second Pressure gauge, decompressor and perpendicular type ball valve；
Fluid reservoir is the cylindrical tube of a closed at both ends, and the upper head plate of fluid reservoir is provided with admitting pipe joint, O2Air inlet pipe, CO2Air inlet pipe and the first pressure tapping, one end of the 3rd ball valve is arranged in the first pressure tapping, and the first Pressure gauge is arranged on the other end of the 3rd ball valve, and the 4th ball valve is arranged on admitting pipe joint, and the first ball valve and the second ball valve are separately mounted to O2Air inlet pipe and CO2In air inlet pipe, O2Air inlet pipe and CO2The other end of air inlet pipe is respectively protruding in the cylinder of fluid reservoir, and away from fluid reservoir cylinder body bottom 2～3cm, the lower end of fluid reservoir barrel is provided with liquid outlet joint, and liquid outlet joint position is less than O2Air inlet pipe and CO2The gas outlet of air inlet pipe；
Leach post and include that cylindrical tube and the end cap of one end open are closed in an one end, the opening of cylinder is provided with the flange being connected with end cap, end cap is provided with feed tube joint and the second pressure tapping, 5th ball valve is arranged on feed tube joint, the other end of the 5th ball valve is connected with the liquid outlet joint on fluid reservoir by pipeline, 6th ball valve is arranged in the second pressure tapping, second Pressure gauge is arranged on the other end of the 6th ball valve, end cap is arranged on flange by bolt, the bottom leached in column casing body is provided with screen cloth, the bottom leaching post is provided with liquid outlet joint, perpendicular type ball valve, decompressor and the 7th ball valve pass sequentially through pipeline and are connected with liquid outlet joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620026603.3U CN205473939U (en) | 2016-01-13 | 2016-01-13 | Test device that adoption CO2+O2 soaks uranium ore pressured column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620026603.3U CN205473939U (en) | 2016-01-13 | 2016-01-13 | Test device that adoption CO2+O2 soaks uranium ore pressured column |
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| Publication Number | Publication Date |
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| CN205473939U true CN205473939U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620026603.3U Expired - Fee Related CN205473939U (en) | 2016-01-13 | 2016-01-13 | Test device that adoption CO2+O2 soaks uranium ore pressured column |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463218A (en) * | 2016-01-13 | 2016-04-06 | 南华大学 | Testing device and testing method for pressurized column leaching of uranium ore by means of CO2 and O2 |
| CN107460349A (en) * | 2017-07-06 | 2017-12-12 | 核工业北京化工冶金研究院 | A kind of in-situ acid uranium leaching laboratory simulation device and test method |
| CN113667844A (en) * | 2021-08-23 | 2021-11-19 | 南华大学 | Device and method for leaching sandstone uranium ore through micro-nano bubble oxidation |
-
2016
- 2016-01-13 CN CN201620026603.3U patent/CN205473939U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463218A (en) * | 2016-01-13 | 2016-04-06 | 南华大学 | Testing device and testing method for pressurized column leaching of uranium ore by means of CO2 and O2 |
| CN105463218B (en) * | 2016-01-13 | 2018-03-20 | 南华大学 | Using CO2+O2To the experimental rig and test method of the leaching of uranium ore pressured column |
| CN107460349A (en) * | 2017-07-06 | 2017-12-12 | 核工业北京化工冶金研究院 | A kind of in-situ acid uranium leaching laboratory simulation device and test method |
| CN113667844A (en) * | 2021-08-23 | 2021-11-19 | 南华大学 | Device and method for leaching sandstone uranium ore through micro-nano bubble oxidation |
| CN113667844B (en) * | 2021-08-23 | 2022-09-27 | 南华大学 | Device and method for leaching sandstone uranium ore through micro-nano bubble oxidation |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20210113 |