CN109763807A - A kind of ground-dipping uranium extraction closed cycle pumping system and method - Google Patents
A kind of ground-dipping uranium extraction closed cycle pumping system and method Download PDFInfo
- Publication number
- CN109763807A CN109763807A CN201910079408.5A CN201910079408A CN109763807A CN 109763807 A CN109763807 A CN 109763807A CN 201910079408 A CN201910079408 A CN 201910079408A CN 109763807 A CN109763807 A CN 109763807A
- Authority
- CN
- China
- Prior art keywords
- pump
- liquid
- well
- filter
- fluid injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention belongs to ground-dipping uranium extraction technical fields, and in particular to a kind of ground-dipping uranium extraction closed cycle pumping system and method, the system, including drainage system, ion exchange system and liquid injection system；The drainage system, including drawing liquid well, immersible pump, drawing liquid hole, raw liquor pump and stoste filter；The ion exchange system, including adsorption tower and the resin being placed in adsorption tower；The liquid injection system, including topping-up pump, fluid injection filter, liquid injection hole and fluid injection well；The method is the following steps are included: Step 1: carrying out geological prospecting determines uranium ore preservation situation and the depth information of water-bearing layer containing mine；Step 2: determining well type, well spacing, and build drawing liquid well and fluid injection well by condition test, indoor rock sample ore column leaching test.The present invention reduces the frequency of raw liquor pump and topping-up pump under the premise of guaranteeing the i.e. drilling immersible pump running at full capacity of maximum drawing liquid amount, plays an important roll to the output for reducing the live energy.
Description
Technical field
The invention belongs to ground-dipping uranium extraction technical fields, and in particular to a kind of ground-dipping uranium extraction closed cycle pumping system and side
Method.
Background technique
In ground dipping uranium extracting process system, the conveying of solution generally uses open pumping liquid injection system.As shown in Figure 1,
Open pumping liquid injection system extracts leachate out earth's surface, after earth's surface drawing liquid main line collects, is flow automatically using topography height difference to collection
After liquid pool clarification, Mill is delivered to by pipeline pump and is adsorbed, adsorption tail liquid is drained into liquid pool, is infused after pipeline pump is pressurized
Enter each fluid injection drilling.In open pumping liquid system process, it is primarily present following problems:
(1) the open pumping liquid injection system capital construction period is long, investment is big, increases construction area, and in open pumping
Earth's surface out is extracted leachate using immersible pump in system, from collecting tank is flow to after earth's surface is collected, absorption is entered by booster pump
Tower absorption, adsorption tail liquid are discharged by energy twice in the process with underground is injected by booster pump after collecting in liquid pool,
Reduce the utilization rate of energy；
(2) radiation suffered by China's Uranium staff is irradiated mainly from radon daughter, gamma-rays and aerosol,
In, radon daughter dosage accounts for about 85% of personal dose suffered by China uranium mine operating personnel.Open pumping liquid injection system can not solve
Certainly radiation problem of the radon daughter to human body；
(3) it is hardened that serious resin is led to the problem of in field test operational process, predominantly carbonate deposition, cause to adsorb
Tower crossed liquid measure significant decrease.It is hardened to alleviate resin, a certain amount of titanium dioxide is added before using adsorption tower in open system
Carbon adjusts absorption stoste pH value, avoids the generation of carbonate deposition in adsorption tower, but open system is needed since tower pressure is higher
Constantly manually to be vented, when necessary must after adsorption tower supplementary carbon dioxide, cause carbon dioxide-depleted amount high.
Currently, the pumping liquid closed circuit circulatory system in domestic other places leaching mine is still in the stage of fumbling, employed in the present invention
Closed circuit circulatory system have the characteristics that can be improved capacity usage ratio, improve operating environment, reduce raw materials consumption, and pass through
Crossing field practice proves, stable using closed circuit circulatory system, and safety and environmental protection.
Summary of the invention
It is an object of the invention to: for the previous open pumping circulatory system capital construction period is long, investment is big, occupied area
Greatly, the disadvantage that safety and environmental protection risk is big, energy loss is big, the present invention provides a kind of closed circuit circulatory system pumping methods.The party
Method success avoids the deficiency in previous pumping system instead of the open pumping circulatory system, effective solution energy damage
The problems such as consumption is big, safety and environmental protection risk, reaches and has saved cost, improve environment, improves the stability of system operation, safety
Purpose.
Technical scheme is as follows: a kind of ground-dipping uranium extraction closed cycle pumping system, including drainage system, ion are handed over
Change system and liquid injection system；
The drainage system, including drawing liquid well, immersible pump, drawing liquid hole, raw liquor pump and stoste filter；
The ion exchange system, including adsorption tower and the resin being placed in adsorption tower；
The liquid injection system, including topping-up pump, fluid injection filter, liquid injection hole and fluid injection well；
Wherein, immersible pump is placed in drawing liquid well, is sequentially connected raw liquor pump, stoste filter, adsorption tower, fluid injection by pipeline
After pump and fluid injection filter, pass through piping connection to fluid injection well；It is equipped with flowmeter between stoste filter and adsorption tower, is used for
Fluid flow in monitoring system；
Realize that solution extracts by immersible pump, raw liquor pump and stoste filter, ion exchange system carries out uranium absorption, utilizes
Topping-up pump and fluid injection filter carry out re-injection to adsorption tail liquid, realize that uranium ore is exploited in the closed cycle of pumping liquid.
Further, the raw liquor pump, topping-up pump, stoste filter, fluid injection filter are equipped between two, two
Pass through pipeline and valve in parallel, the using and the reserved.
Further, the adsorption tower is equipped with two, passes through the reasonable connection of pipeline and valve between two adsorption towers,
In parallel, series connection and single opening structure are formed by control valve, by control valve, solution can realize cascade towers absorption, two towers
Parallel connection absorption and single column absorption.
Further, the resin is " 201*7 " strong-base anion-exchange resin.
A kind of ground-dipping uranium extraction closed cycle pumping method, which is characterized in that use system of the present invention, including following
Step:
Step 1: carrying out geological prospecting determines uranium ore preservation situation and the depth information of water-bearing layer containing mine；
Step 2: determining well type, well spacing, and build drawing liquid well and note by condition test, indoor rock sample ore column leaching test
Liquid well；
Step 3: into drawing liquid well, rational position, unlatching immersible pump carry out drawing liquid by submersible pump, raw liquor pump is to solution
Enter stoste filter after pressurization, solution enters adsorption tower after filtering by stoste filter；
Step 4: the anion exchange resin being added in adsorption tower tower adsorbs the uranium in solution, adsorption tail liquid
Into liquid injection system；
Step 5: adsorption tail liquid enters fluid injection well through topping-up pump, fluid injection filter and liquid injection hole.
Remarkable result of the invention is:
(1) in terms of safety and environmental protection
Closed circuit circulatory system pumping method makes being in closed system of leachate and adsorption tail liquid, pernicious gas
It can not be discharged into air, compared to the system for having collection to match liquid pool, radon and its daughter concentration reduce 95.1%, 89.9% respectively,
Metal recovery workshop α, β surface contamination level is lower than water in " radiation protection of GB23727-2009 Uranium and pollution control regulation "
Radioactive surface contamination's controlled level (α≤4Bq/cm2, β≤40Bq/cm2) of the workplace Ye Chang.Closed circuit circulatory system is not set
Collection is set with liquid pool, eliminates potential pollution of the collection with generations such as liquid pool leakage, leakages in open system.Therefore pumping liquid-tight road
The circulatory system can effectively improve working environment in Mill, reduce the radiation of radon daughter suffered by Uranium staff.
(2) investing
Using the closed type circulatory system, matches liquid pool without establishing individually collection, save land seizure area about 135.09m2,
Largely reduce the destruction to environment, save soil land expropriation cost, not only met environmental requirements, but also there is economic benefit.
(3) energy conservation aspect
Open pumping system extracts leachate out earth's surface using immersible pump, flow to collecting tank certainly after earth's surface is collected,
Enter adsorption tower absorption by booster pump, adsorption tail liquid with after collecting in liquid pool by booster pump injection underground, in this process
It is middle to be discharged by energy twice, reduce the utilization rate of energy.Pumping liquid closed-circuit system extracts leachate out earth's surface, converges in earth's surface
After collection, Mill absorption is fed directly to by booster pump, adsorption tail liquid injects underground by booster pump, which releases
It puts, and plays the effect of energy supposition, improve capacity usage ratio.
Under the premise of guaranteeing the i.e. drilling immersible pump running at full capacity of maximum drawing liquid amount, the frequency of raw liquor pump and topping-up pump is reduced
Rate plays an important roll the output for reducing the live energy.The output power of raw liquor pump and topping-up pump is relatively opened in closed type system
The formula system of putting reduces by 17.5%, 12.5% respectively.Closed-circuit system can make full use of immersible pump energy to convey leachate, avoid artificial
It releases energy, adapt to the situation development, reaches the effect of energy-saving and emission-reduction, reduces production cost, improves productivity effect.
Detailed description of the invention
Fig. 1 is open pumping fluid circulation structural schematic diagram；
Fig. 2 is a kind of structural schematic diagram of ground-dipping uranium extraction closed cycle pumping system of the present invention；
In figure: 1. drawing liquid holes, 2. raw liquor pumps, 3. stoste filters, 4. flowmeters, 5. adsorption towers, 6. topping-up pumps, 7. fluid injections
Filter, 8. liquid injection holes, 9. drawing liquid wells, 10. fluid injection wells, 11. stoste slots, 12. fluid injection slots, 13. immersible pumps.
Specific embodiment
With reference to the accompanying drawing and specific embodiment to a kind of ground-dipping uranium extraction closed cycle pumping system of the present invention and
Method is described in further detail.
As shown in Fig. 2, a kind of ground-dipping uranium extraction closed cycle pumping system, including drainage system, ion exchange system and note
Liquid system；
The drainage system, including drawing liquid well 9, immersible pump 13, drawing liquid hole 1, raw liquor pump 2 and stoste filter 3；
The ion exchange system, including adsorption tower 5 and the resin being placed in adsorption tower 5；
The liquid injection system, including topping-up pump 6, fluid injection filter 7, liquid injection hole 8 and fluid injection well 10；
Wherein, immersible pump 13 is placed in drawing liquid well 9, is sequentially connected raw liquor pump 2, stoste filter 3, adsorption tower by pipeline
5, after topping-up pump 6 and fluid injection filter 7, pass through piping connection to fluid injection well 10；It is set between stoste filter 3 and adsorption tower 5
There is flowmeter 4, for the fluid flow in monitoring system；
Realize that solution extracts by immersible pump 13, raw liquor pump 2 and stoste filter 3, ion exchange system carries out uranium absorption,
Re-injection is carried out to adsorption tail liquid using topping-up pump 6 and fluid injection filter 7, realizes that uranium ore is exploited in the closed cycle of pumping liquid.
Further, the raw liquor pump 2, topping-up pump 6, stoste filter 3, fluid injection filter 7 are equipped with two, two
Between by pipeline and valve in parallel, the using and the reserved.
Further, the adsorption tower 5 is equipped with two, is connected between two adsorption towers 5 by pipeline and the reasonable of valve
It connects, in parallel, series connection and single opening structure is formed by control valve, by control valve, solution can realize cascade towers absorption, two
Tower parallel connection absorption and single column absorption.
Further, the resin is " 201*7 " strong-base anion-exchange resin.
A kind of ground-dipping uranium extraction closed cycle pumping method, which is characterized in that use system of the present invention, including following
Step:
Step 1: carrying out geological prospecting determines uranium ore preservation situation and the depth information of water-bearing layer containing mine；
Step 2: determining well type, well spacing, and build 9 He of drawing liquid well by condition test, indoor rock sample ore column leaching test
Fluid injection well 10；
Step 3: opening immersible pump 13 and carrying out drawing liquid, raw liquor pump 2 decentralization of immersible pump 13 rational position into drawing liquid well 9
To stoste filter 3 is entered after solution pressurization, solution enters adsorption tower 5 after filtering by stoste filter 3；
Step 4: the anion exchange resin being added in 5 tower of adsorption tower adsorbs the uranium in solution, adsorption tail liquid
Into liquid injection system；
Step 5: adsorption tail liquid enters fluid injection well 10 through topping-up pump 6, fluid injection filter 7 and liquid injection hole 8.
Claims (5)
1. a kind of ground-dipping uranium extraction closed cycle pumping system, it is characterised in that: including drainage system, ion exchange system and fluid injection
System；
The drainage system, including drawing liquid well (9), immersible pump (13), drawing liquid hole (1), raw liquor pump (2) and stoste filter
(3)；
The ion exchange system, including adsorption tower (5) and the resin being placed in adsorption tower (5)；
The liquid injection system, including topping-up pump (6), fluid injection filter (7), liquid injection hole (8) and fluid injection well (10)；
Wherein, immersible pump (13) is placed in drawing liquid well (9), is sequentially connected raw liquor pump (2) by pipeline, stoste filter (3), is inhaled
After attached tower (5), topping-up pump (6) and fluid injection filter (7), pass through piping connection to fluid injection well (10)；Stoste filter (3) with
Flowmeter (4) are equipped between adsorption tower (5), for the fluid flow in monitoring system；
Realize that solution extracts by immersible pump (13), raw liquor pump (2) and stoste filter (3), ion exchange system carries out uranium suction
It is attached, re-injection is carried out to adsorption tail liquid using topping-up pump (6) and fluid injection filter (7), realizes that uranium ore is exploited in the closed cycle of pumping liquid.
2. a kind of ground-dipping uranium extraction closed cycle pumping system as described in claim 1, it is characterised in that: the raw liquor pump
(2), topping-up pump (6), stoste filter (3), fluid injection filter (7), which are equipped between two, two, passes through pipeline and valve simultaneously
Connection, the using and the reserved.
3. a kind of ground-dipping uranium extraction closed cycle pumping system as described in claim 1, it is characterised in that: the adsorption tower
(5) two are equipped with, passes through the reasonable connection of pipeline and valve between two adsorption towers (5), in parallel, string is formed by control valve
Connection and single opening structure, by control valve, solution can realize cascade towers absorption, parallel two towers absorption and single column absorption.
4. a kind of ground-dipping uranium extraction closed cycle pumping system as described in claim 1, it is characterised in that: the resin is
" 201*7 " strong-base anion-exchange resin.
5. a kind of ground-dipping uranium extraction closed cycle pumping method, which is characterized in that using system described in claim 1, including with
Lower step:
Step 1: carrying out geological prospecting determines uranium ore preservation situation and the depth information of water-bearing layer containing mine；
Step 2: determining well type, well spacing, and build drawing liquid well (9) and note by condition test, indoor rock sample ore column leaching test
Liquid well (10)；
Step 3: opening immersible pump (13) and carrying out drawing liquid, stoste immersible pump (13) decentralization rational position into drawing liquid well (9)
(2) are pumped to stoste filter (3) are entered after solution pressurization, solution enters adsorption tower (5) after filtering by stoste filter (3)；
Step 4: the anion exchange resin that is added adsorbs the uranium in solution in adsorption tower (5) tower, adsorption tail liquid into
Enter liquid injection system；
Step 5: adsorption tail liquid enters fluid injection well (10) through topping-up pump (6), fluid injection filter (7) and liquid injection hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910079408.5A CN109763807A (en) | 2019-01-28 | 2019-01-28 | A kind of ground-dipping uranium extraction closed cycle pumping system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910079408.5A CN109763807A (en) | 2019-01-28 | 2019-01-28 | A kind of ground-dipping uranium extraction closed cycle pumping system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109763807A true CN109763807A (en) | 2019-05-17 |
Family
ID=66454397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910079408.5A Pending CN109763807A (en) | 2019-01-28 | 2019-01-28 | A kind of ground-dipping uranium extraction closed cycle pumping system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109763807A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550774A (en) * | 2019-08-16 | 2019-12-10 | 天津大学 | Sewage plant tail water dephosphorization and nitrogen recovery equipment and recovery method |
| CN111335865A (en) * | 2020-03-25 | 2020-06-26 | 核工业北京化工冶金研究院 | Advanced closed type liquid pumping and injecting system for in-situ leaching uranium mining mine |
| CN112943125A (en) * | 2021-03-17 | 2021-06-11 | 南华大学 | Liquid level pressurization-based method for discharging well-flushing waste liquid of in-situ leaching uranium mine |
| CN114014463A (en) * | 2021-11-08 | 2022-02-08 | 核工业北京化工冶金研究院 | Underground water surface treatment method and ex-service treatment method of in-situ leaching uranium mining base |
| CN114029324A (en) * | 2021-11-08 | 2022-02-11 | 核工业北京化工冶金研究院 | Method for repairing local suction injection of fixed ring layer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561696A (en) * | 1982-09-21 | 1985-12-31 | Phillips Petroleum Company | In situ recovery of mineral values |
| CN101580900A (en) * | 2009-06-05 | 2009-11-18 | 辽河石油勘探局 | Technique for reagent-free in situ leaching uranium mining from sandstone type uranium deposit |
| CN104531996A (en) * | 2014-12-22 | 2015-04-22 | 核工业北京化工冶金研究院 | Tower-changeable ion exchange process for treating neutral leaching liquid |
| CN106401510A (en) * | 2016-09-13 | 2017-02-15 | 中核通辽铀业有限责任公司 | Method for recycling well flushing waste water in in-situ leaching uranium exploration |
| CN107178346A (en) * | 2017-04-26 | 2017-09-19 | 核工业北京化工冶金研究院 | A kind of in-situ acid uranium leaching method of air self-suction oxidation |
| 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 |
| CN207879305U (en) * | 2017-11-21 | 2018-09-18 | 核工业北京化工冶金研究院 | A kind of heavy caliber immersible pump wellsite system |
-
2019
- 2019-01-28 CN CN201910079408.5A patent/CN109763807A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561696A (en) * | 1982-09-21 | 1985-12-31 | Phillips Petroleum Company | In situ recovery of mineral values |
| CN101580900A (en) * | 2009-06-05 | 2009-11-18 | 辽河石油勘探局 | Technique for reagent-free in situ leaching uranium mining from sandstone type uranium deposit |
| CN104531996A (en) * | 2014-12-22 | 2015-04-22 | 核工业北京化工冶金研究院 | Tower-changeable ion exchange process for treating neutral leaching liquid |
| CN106401510A (en) * | 2016-09-13 | 2017-02-15 | 中核通辽铀业有限责任公司 | Method for recycling well flushing waste water in in-situ leaching uranium exploration |
| CN107178346A (en) * | 2017-04-26 | 2017-09-19 | 核工业北京化工冶金研究院 | A kind of in-situ acid uranium leaching method of air self-suction oxidation |
| 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 |
| CN207879305U (en) * | 2017-11-21 | 2018-09-18 | 核工业北京化工冶金研究院 | A kind of heavy caliber immersible pump wellsite system |
Non-Patent Citations (2)
| Title |
|---|
| 王运敏: "《现代采矿手册（下册）》", 29 February 2012, 冶金工业出版社 * |
| 连培生: "《原子能工业》", 31 May 2002, 原子能出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550774A (en) * | 2019-08-16 | 2019-12-10 | 天津大学 | Sewage plant tail water dephosphorization and nitrogen recovery equipment and recovery method |
| CN111335865A (en) * | 2020-03-25 | 2020-06-26 | 核工业北京化工冶金研究院 | Advanced closed type liquid pumping and injecting system for in-situ leaching uranium mining mine |
| CN112943125A (en) * | 2021-03-17 | 2021-06-11 | 南华大学 | Liquid level pressurization-based method for discharging well-flushing waste liquid of in-situ leaching uranium mine |
| CN112943125B (en) * | 2021-03-17 | 2022-03-29 | 南华大学 | Liquid level pressurization-based method for discharging well-flushing waste liquid of in-situ leaching uranium mine |
| CN114014463A (en) * | 2021-11-08 | 2022-02-08 | 核工业北京化工冶金研究院 | Underground water surface treatment method and ex-service treatment method of in-situ leaching uranium mining base |
| CN114029324A (en) * | 2021-11-08 | 2022-02-11 | 核工业北京化工冶金研究院 | Method for repairing local suction injection of fixed ring layer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109763807A (en) | A kind of ground-dipping uranium extraction closed cycle pumping system and method | |
| CN106153395B (en) | A kind of underground water integrates sampling apparatus | |
| CN102877819B (en) | Carbon dioxide cyclic injection system of coal-bed gas well | |
| CN107653931B (en) | Saline-alkali soil transformation system and method | |
| CN102392129B (en) | Method and system of in-situ ore leaching and leachate discharge of ion adsorption type ore | |
| CN106437824A (en) | Gas-containing-coal multistage permeability increasing method | |
| CN206095696U (en) | Integrated sampling device of groundwater | |
| CN201809803U (en) | Integrated system for taking purified water from rivers | |
| CN107445283A (en) | The method for the underground water in-situ arsenic removing that the solid arsenic of a kind of individual well arsenic removal and water-bearing layer combines | |
| CN1401797A (en) | Process for in-situ leaching ion type rareearth ore | |
| CN201826826U (en) | Device for balancing and controlling pumping and injection of high confined water head in in-situ leaching uranium mining | |
| CN206129244U (en) | Colliery water resources regionalization is mining system in advance | |
| CN104692555A (en) | Recycling and reutilization method and device for flow-back fracturing fluid | |
| CN205000321U (en) | Tailing dam is jointly arranged and is oozed device | |
| CN209228344U (en) | Geothermal well negative pressure recharge vacuum wellhead assembly | |
| CN216415426U (en) | Saline-alkali soil irrigation system capable of repeatedly utilizing concealed pipe drainage | |
| CN207879305U (en) | A kind of heavy caliber immersible pump wellsite system | |
| CN111075496B (en) | Device for comprehensively eliminating and suppressing outburst and dust of coal bed by injecting flue gas absorption liquid at low pressure and outburst-eliminating and dust-suppressing method | |
| CN203412625U (en) | Underground coal mine drainage facility | |
| CN115612869A (en) | Secondary enhanced leaching method for neutral in-situ leaching uranium mine | |
| CN205204937U (en) | Traditional chinese medicine draws workshop water resource recycle and utilizes system | |
| CN212924621U (en) | Device for treating organic pollutants in underground water based on hydraulic control condition | |
| CN205804482U (en) | A kind of Novel water source heat pump water intake system being applicable to heavy grade riverbed | |
| CN207271799U (en) | A kind of bio- ventilation strengthens multiphase extraction system in situ | |
| CN105926711A (en) | Novel water-source heat pump water getting system suitable for large-slope riverbed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190517 |
|
| RJ01 | Rejection of invention patent application after publication |