CN106401510B - The method that ground-dipping uranium extraction well-flushing waste water recycles - Google Patents
The method that ground-dipping uranium extraction well-flushing waste water recycles Download PDFInfo
- Publication number
- CN106401510B CN106401510B CN201610824438.0A CN201610824438A CN106401510B CN 106401510 B CN106401510 B CN 106401510B CN 201610824438 A CN201610824438 A CN 201610824438A CN 106401510 B CN106401510 B CN 106401510B
- Authority
- CN
- China
- Prior art keywords
- clear liquid
- enters
- waste water
- well
- ground
- 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.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
Abstract
The present invention provides a kind of method that ground-dipping uranium extraction well-flushing waste water recycles.Its step: (a) being promoted to earth's surface for the well-flushing waste water of the pumping of ground-dipping uranium extraction, fluid injection well, then settle through settling tank, and settling tank underflow slurry is discharged into evaporation tank；(b) clear liquid 1 is sent into hydrocyclone, and the clear liquid 2 come out in hydrocyclone enters step (c)；The solution containing sand that comes out of hydrocyclone returns to settling tank, carries out a closed cycle processing；(c) clear liquid 2 enters self-cleaning filter, obtains clear liquid 3 after filtering and enters step (d)；Waste liquid through automatic back-washing enters hydrocyclone, carries out a closed cycle processing；(d) clear liquid 3 enters bag filter, and filtering gained clear liquid 4 enters buffer pool；(e) clear liquid 4 in buffer pool enters fluid injection well through high pressure fluid injection.The present invention realizes the zero-emission of waste water, solves the problems, such as the recycling of the sign land occupation, environmental issue and uranium of evaporation tank caused by well-flushing waste water outlet.
Description
Technical field
The invention belongs to the wastewater treatment methods of ground-dipping uranium extraction, are related to the side that the well-flushing waste water in Uranium field recycles
A kind of method, and in particular to method that ground-dipping uranium extraction well-flushing waste water recycles.
Background technique
Ground-dipping uranium extraction is, by chemical reagent, the uranium in ore to be dissolved under natural mode of occurence by drilling engineering
Out, without making ore generate the centralized procurement of displacement, smelting in the uranium mining method of one.Borehole engineering is ground-dipping uranium extraction technology
Core.By borehole engineering, not only exposing ore bed acquirement geology, hydrogeological data formation process drill, and can also infuse to ore bed
Enter the molten leaching ore of chemical reagent, promotes leachate and obtain uranium metal formation producing well.
In ground dipping uranium extracting process, either drilling at well after, still in process of production, drill well-flushing when can generate it is a large amount of
Waste water, the main object for the well-flushing that drills is filter segment, therefore, in waste water contain a small amount of uranium, conventional treatment method is logical
It crosses pipeline well-flushing waste water is emitted into evaporation tank, be handled by way of natural evaporation.
The method solves the problems, such as well-flushing waste water processing, any discharge to a certain extent, but with the developing in exploiting field,
Well-flushing waste water amount is big, and the mode of natural evaporation is not able to satisfy the demand of production, and there are many insecurity factors, the uranium of leaching is not yet
It can effectively be recycled, while environmental protection, sign land occupation aspect are adversely affected.
In order to realize that the uranium to leaching carries out limited synthetical recovery, reducing evaporation tank construction and reduce environmentally friendly risk, hair
Ground-dipping uranium extraction well-flushing waste water circulation utilization method is illustrated.
Summary of the invention
The purpose of the present invention is to provide a kind of sides that the ground-dipping uranium extraction well-flushing waste water for realizing wastewater zero discharge recycles
Method.
Realize a kind of technical solution of the object of the invention: method that ground-dipping uranium extraction well-flushing waste water recycles comprising such as
Lower step:
(a) well-flushing waste water of the pumping of ground-dipping uranium extraction, fluid injection well is promoted to earth's surface, is then settled through settling tank, settling tank
Underflow slurry is discharged into evaporation tank, and settling tank supernatant liquor 1 enters step (b)；
(b) supernatant liquor 1 is sent into hydrocyclone, and the clear liquid 2 come out in hydrocyclone enters step (c)；Waterpower rotation
The solution containing sand that comes out for flowing device returns to settling tank, carries out a closed cycle processing；
(c) clear liquid 2 enters self-cleaning filter, obtains clear liquid 3 after filtering and enters step (d)；It is useless through automatic back-washing
Liquid enters hydrocyclone, carries out a closed cycle processing；
(d) clear liquid 3 enters bag filter, and filtering gained clear liquid 4 enters buffer pool；
(e) clear liquid 4 in buffer pool enters fluid injection well through high pressure fluid injection, and liquid filling pressure is greater than 1.7MPa.
A kind of method that ground-dipping uranium extraction well-flushing waste water recycles as described above, described in step (a) through settling tank
After clarification, supernatant liquor 1 is measured containing mud (sand) less than 4.2%~5.3%, and grain class distribution greater than 50 μm account for 75%~
90%.
A kind of method that ground-dipping uranium extraction well-flushing waste water recycles as described above, described in step (b) revolved through waterpower
After flowing solid-liquid separation, clear liquid 2 is measured containing mud (sand) less than 1.2%~1.9%, and grain class distribution accounts for 10.5 greater than 50 μm
~20%.
A kind of method that ground-dipping uranium extraction well-flushing waste water recycles as described above, described in step (c) self-cleaning
Filtering precision is 50 μm, and after filtering, clear liquid 3 is measured containing mud (sand) less than 0.7%~1%, and solid particle grain class distribution is big
2.3%~4.7% is accounted in 50 μm.
A kind of method that ground-dipping uranium extraction well-flushing waste water recycles as described above, described in step (d) through pocket type mistake
After filter filtering, 4 solid particle grain class distribution of clear liquid accounts for 5.8%~10.3% greater than 10 μm.
Effect of the invention is that: the method that ground-dipping uranium extraction well-flushing waste water of the present invention recycles makes well-flushing
The waste water generated in the process is drilled by this method re-injection to fluid injection, realizes the zero-emission of waste water, is solved well-flushing waste water outlet and is made
At evaporation tank sign land occupation, environmental issue and uranium recycling problem.
Detailed description of the invention
Fig. 1 is a kind of ground-dipping uranium extraction well-flushing waste water circulation utilization method flow chart of the present invention.
Specific embodiment
A kind of ground-dipping uranium extraction well-flushing waste water of the present invention is recycled in the following with reference to the drawings and specific embodiments
Method is further described.
Embodiment 1
As shown in Figure 1, a kind of method that ground-dipping uranium extraction well-flushing waste water recycles of the present invention comprising following step
It is rapid:
(a) well-flushing waste water of the pumping of ground-dipping uranium extraction, fluid injection well is promoted to earth's surface, is then settled through settling tank, settling tank
Underflow slurry is discharged into evaporation tank, and settling tank supernatant liquor 1 enters step (b)；
After settling tank is clarified, clear liquid 1 is measured containing mud (sand) less than 5.3%, and grain class distribution accounting for greater than 50 μm
90%.
(b) supernatant liquor 1 is sent into hydrocyclone, and the clear liquid 2 come out in hydrocyclone enters step (c)；Waterpower rotation
The solution containing sand that comes out for flowing device returns to settling tank, carries out a closed cycle processing；
After hydraulic cyclone solid-liquid separation, clear liquid 2 is measured containing mud (sand) less than 1.9%, and grain class distribution is greater than 50 μm and accounts for
20%.
(c) clear liquid 2 enters self-cleaning filter, obtains clear liquid 3 after filtering and enters step (d)；It is useless through automatic back-washing
Liquid enters hydrocyclone, carries out a closed cycle processing；
Self-cleaning filtering precision is 50 μm, and after filtering, clear liquid 3 is measured containing mud (sand) less than 1%, and solid particle grain
Grade distribution is greater than 50 μm and accounts for 4.7%.
(d) clear liquid 3 enters bag filter, and filtering gained clear liquid 4 enters buffer pool；
After bag filter filters, 4 solid particle grain class distribution of clear liquid is greater than 10 μm and accounts for 10.3%.
(e) clear liquid 4 in buffer pool enters fluid injection well through high pressure fluid injection, and liquid filling pressure is greater than 1.7MPa.
Embodiment 2
As shown in Figure 1, a kind of method that ground-dipping uranium extraction well-flushing waste water recycles of the present invention comprising following step
It is rapid:
(a) well-flushing waste water of the pumping of ground-dipping uranium extraction, fluid injection well is promoted to earth's surface, is then settled through settling tank, settling tank
Underflow slurry is discharged into evaporation tank, and settling tank supernatant liquor 1 enters step (b)；
After settling tank is clarified, clear liquid 1 is measured containing mud (sand) less than 4.2%, and grain class distribution accounting for greater than 50 μm
75%.
(b) supernatant liquor 1 is sent into hydrocyclone, and the clear liquid 2 come out in hydrocyclone enters step (c)；Waterpower rotation
The solution containing sand that comes out for flowing device returns to settling tank, carries out a closed cycle processing；
After hydraulic cyclone solid-liquid separation, clear liquid 2 is measured containing mud (sand) less than 1.2%, and grain class distribution is greater than 50 μm and accounts for
10.5%.
(c) clear liquid 2 enters self-cleaning filter, obtains clear liquid 3 after filtering and enters step (d)；It is useless through automatic back-washing
Liquid enters hydrocyclone, carries out a closed cycle processing；
Self-cleaning filtering precision is 50 μm, and after filtering, clear liquid 3 is measured containing mud (sand) less than 0.7%, and solid particle
Grain class distribution is greater than 50 μm and accounts for 2.3%.
(d) clear liquid 3 enters bag filter, and filtering gained clear liquid 4 enters buffer pool；
After bag filter filters, 4 solid particle grain class distribution of clear liquid is greater than 10 μm and accounts for 5.8%.
(e) clear liquid 4 in buffer pool enters fluid injection well through high pressure fluid injection, and liquid filling pressure is greater than 1.7MPa.
Embodiment 3
As shown in Figure 1, a kind of method that ground-dipping uranium extraction well-flushing waste water recycles of the present invention comprising following step
It is rapid:
(a) well-flushing waste water of the pumping of ground-dipping uranium extraction, fluid injection well is promoted to earth's surface, is then settled through settling tank, settling tank
Underflow slurry is discharged into evaporation tank, and settling tank supernatant liquor 1 enters step (b)；
After settling tank is clarified, clear liquid 1 is measured containing mud (sand) less than 4.8%, and grain class distribution accounting for greater than 50 μm
85%.
(b) supernatant liquor 1 is sent into hydrocyclone, and the clear liquid 2 come out in hydrocyclone enters step (c)；Waterpower rotation
The solution containing sand that comes out for flowing device returns to settling tank, carries out a closed cycle processing；
After hydraulic cyclone solid-liquid separation, clear liquid 2 is measured containing mud (sand) less than 1.5%, and grain class distribution is greater than 50 μm and accounts for
15%.
(c) clear liquid 2 enters self-cleaning filter, obtains clear liquid 3 after filtering and enters step (d)；It is useless through automatic back-washing
Liquid enters hydrocyclone, carries out a closed cycle processing；
Self-cleaning filtering precision is 50 μm, and after filtering, clear liquid 3 is measured containing mud (sand) less than 0.8%, and solid particle
Grain class distribution is greater than 50 μm and accounts for 3.0%.
(d) clear liquid 3 enters bag filter, and filtering gained clear liquid 4 enters buffer pool；
After bag filter filters, 4 solid particle grain class distribution of clear liquid is greater than 10 μm and accounts for 8.0%.
(e) clear liquid 4 in buffer pool enters fluid injection well through high pressure fluid injection, and liquid filling pressure is greater than 1.7MPa.
The present invention makes the waste water generated in washing well process drill by this method re-injection to fluid injection, realizes the zero-emission of waste water
Discharge solves the problems, such as the recycling of the sign land occupation, environmental issue and uranium of evaporation tank caused by well-flushing waste water outlet.
Claims (4)
1. a kind of method that ground-dipping uranium extraction well-flushing waste water recycles, it is characterised in that: this method comprises the following steps:
(a) well-flushing waste water of the pumping of ground-dipping uranium extraction, fluid injection well is promoted to earth's surface, is then settled through settling tank, settling tank underflow
Slurry is discharged into evaporation tank, and settling tank supernatant liquor 1 enters step (b)；
The silt content of supernatant liquor 1 is less than 4.2%~5.3%, and grain class distribution accounts for 75%~90% greater than 50 μm；
(b) supernatant liquor 1 is sent into hydrocyclone, and the clear liquid 2 come out in hydrocyclone enters step (c)；Hydrocyclone
The solution containing sand that comes out return to settling tank, carry out closed cycle and handle；
(c) clear liquid 2 enters self-cleaning filter, obtains clear liquid 3 after filtering and enters step (d)；Waste liquid through automatic back-washing into
Enter hydrocyclone, carries out a closed cycle processing；
(d) clear liquid 3 enters bag filter, and filtering gained clear liquid 4 enters buffer pool；
(e) clear liquid 4 in buffer pool enters fluid injection well through high pressure fluid injection, and liquid filling pressure is greater than 1.7MPa.
2. a kind of method that ground-dipping uranium extraction well-flushing waste water recycles according to claim 1, it is characterised in that: described
Step (b) is after hydraulic cyclone solid-liquid separation, and the silt content of clear liquid 2 is less than 1.2%~1.9%, and grain class distribution is big
10.5~20% are accounted in 50 μm.
3. a kind of method that ground-dipping uranium extraction well-flushing waste water recycles according to claim 1, it is characterised in that: described
Step (c) self-cleaning filtering precision is 50 μm, and after filtering, the silt content of clear liquid 3 is less than 0.7%~1%, and solid
Grain grain class distribution accounts for 2.3%~4.7% greater than 50 μm.
4. a kind of method that ground-dipping uranium extraction well-flushing waste water recycles according to claim 1, it is characterised in that: described
For step (d) after bag filter filters, 4 solid particle grain class distribution of clear liquid accounts for 5.8%~10.3% greater than 10 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824438.0A CN106401510B (en) | 2016-09-13 | 2016-09-13 | The method that ground-dipping uranium extraction well-flushing waste water recycles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824438.0A CN106401510B (en) | 2016-09-13 | 2016-09-13 | The method that ground-dipping uranium extraction well-flushing waste water recycles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106401510A CN106401510A (en) | 2017-02-15 |
| CN106401510B true CN106401510B (en) | 2019-01-08 |
Family
ID=57996431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610824438.0A Active CN106401510B (en) | 2016-09-13 | 2016-09-13 | The method that ground-dipping uranium extraction well-flushing waste water recycles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106401510B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958406A (en) * | 2019-03-08 | 2019-07-02 | 中核通辽铀业有限责任公司 | A kind of ground-dipping uranium extraction acidification hole flushing method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109763807A (en) * | 2019-01-28 | 2019-05-17 | 中核内蒙古矿业有限公司 | A kind of ground-dipping uranium extraction closed cycle pumping system and method |
| CN111549227A (en) * | 2020-04-24 | 2020-08-18 | 核工业北京化工冶金研究院 | Device and method for synchronously recovering recoverable metals in well washing water during well washing |
| CN117188999B (en) * | 2023-11-07 | 2024-02-09 | 核工业北京化工冶金研究院 | Efficient well flushing method for U-shaped well for in-situ leaching uranium mining |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004046045A1 (en) * | 2002-11-15 | 2004-06-03 | Aquenox Pty Ltd | Radioactive species removal process |
| CN101597113A (en) * | 2009-06-27 | 2009-12-09 | 南华大学 | A kind of treatment process of uranium-containing waste water |
| CN103193289A (en) * | 2013-04-23 | 2013-07-10 | 清华大学 | Method for recycling uranium in uranium-contained waste water |
| CN104386865A (en) * | 2014-10-10 | 2015-03-04 | 昆明理工大学 | Method for treating uranium-containing waste water |
| CN105036427A (en) * | 2015-07-01 | 2015-11-11 | 昆明理工大学 | Processing method of industrial uranium-containing wastewater |
| CN105600993A (en) * | 2016-02-18 | 2016-05-25 | 长江勘测规划设计研究有限责任公司 | Treatment method and device for high-concentration suspended matter waste water |
| CN105859069A (en) * | 2016-04-21 | 2016-08-17 | 中核通辽铀业有限责任公司 | Harmless treatment method of drilling mud produced by in-situ leaching uranium exploration |
-
2016
- 2016-09-13 CN CN201610824438.0A patent/CN106401510B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004046045A1 (en) * | 2002-11-15 | 2004-06-03 | Aquenox Pty Ltd | Radioactive species removal process |
| CN101597113A (en) * | 2009-06-27 | 2009-12-09 | 南华大学 | A kind of treatment process of uranium-containing waste water |
| CN103193289A (en) * | 2013-04-23 | 2013-07-10 | 清华大学 | Method for recycling uranium in uranium-contained waste water |
| CN104386865A (en) * | 2014-10-10 | 2015-03-04 | 昆明理工大学 | Method for treating uranium-containing waste water |
| CN105036427A (en) * | 2015-07-01 | 2015-11-11 | 昆明理工大学 | Processing method of industrial uranium-containing wastewater |
| CN105600993A (en) * | 2016-02-18 | 2016-05-25 | 长江勘测规划设计研究有限责任公司 | Treatment method and device for high-concentration suspended matter waste water |
| CN105859069A (en) * | 2016-04-21 | 2016-08-17 | 中核通辽铀业有限责任公司 | Harmless treatment method of drilling mud produced by in-situ leaching uranium exploration |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109958406A (en) * | 2019-03-08 | 2019-07-02 | 中核通辽铀业有限责任公司 | A kind of ground-dipping uranium extraction acidification hole flushing method |
| CN109958406B (en) * | 2019-03-08 | 2021-07-20 | 中核通辽铀业有限责任公司 | Acidizing and hole-washing method for in-situ leaching uranium mining |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106401510A (en) | 2017-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106401510B (en) | The method that ground-dipping uranium extraction well-flushing waste water recycles | |
| CN102491557B (en) | Underground mine water treatment method | |
| CN102765837B (en) | Well drilling waste water flocculent precipitate desliming processing device and method for processing sewage | |
| CN203558931U (en) | Recycling device for waste oil base drilling fluid | |
| CN107311269A (en) | A kind of method for reducing ground-dipping uranium extraction water-bearing layer containing ore deposit underground water pollution | |
| CN204958596U (en) | Flowing back efficient handling of device is returned to fracturing | |
| CN103194597A (en) | In-situ leaching method of electric field strengthened fine grain tailings | |
| CN101700446B (en) | Sand-water separating and recycling method | |
| CN109441381A (en) | One kind recycling construction system for clump of piles mud in water | |
| CN102728140B (en) | Geothermal tail water recharging system | |
| CN204151169U (en) | A kind of fracturing outlet liquid recycling and processing equipment | |
| CN104370407B (en) | A kind of well work mine water underground purifies and cyclic utilization system | |
| CN205575826U (en) | Anti - flowing back processing system of sled multi -functional fracturing of dress formula | |
| CN205714046U (en) | Mud does not land intelligent environment protection integration well drilling solid control system | |
| CN105859069B (en) | The method of ground-dipping uranium extraction drilling slurry harmless treatment | |
| CN202390268U (en) | In-situ reuse treatment system for downhole directional drilling machine medium circulation water | |
| CN209621239U (en) | One kind recycling construction system for clump of piles mud in water | |
| CN107805726A (en) | Hydrometallurgy method is combined in a kind of Heap Leaching of Uranium Ore leaching | |
| CN110028222A (en) | A kind of construction slurry solidification processing method | |
| CN104862495A (en) | Clean production method for gold extraction by cyanidation | |
| CN205965270U (en) | Operation circulation contaminated water filtration apparatus | |
| CN102764692A (en) | Superfine tailing fluidized mining and bacterial leaching system and technology | |
| CN207879305U (en) | A kind of heavy caliber immersible pump wellsite system | |
| CN202968277U (en) | Oil-field sewage treatment device | |
| CN207048708U (en) | A kind of mud does not land intelligent environment protection press filtration skid equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |