CN104609487A - In-situ leaching uranium mine wastewater evaporating device and method - Google Patents
In-situ leaching uranium mine wastewater evaporating device and method Download PDFInfo
- Publication number
- CN104609487A CN104609487A CN201410820347.0A CN201410820347A CN104609487A CN 104609487 A CN104609487 A CN 104609487A CN 201410820347 A CN201410820347 A CN 201410820347A CN 104609487 A CN104609487 A CN 104609487A
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- situ leaching
- leaching uranium
- uranium mine
- wastewater
- waste water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/047—Treatment of water, waste water, or sewage by heating by distillation or evaporation using eolic energy
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/141—Wind power
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
Abstract
The invention provides an in-situ leaching uranium mine wastewater evaporating device and an in-situ leaching uranium mine wastewater evaporating method. In-situ leaching uranium mine wastewater in an evaporation pond is lifted into the evaporating device by using a submerged pump, and the wastewater temperature is controlled at 10-20 DEG C; in the evaporating device, the wastewater enters a liquid distributing pipe, is uniformly sprayed onto a base material through liquid distributing holes in the liquid distributing pipe and is evaporated; 20-30min later, the wastewater adsorbed onto the base material is completely evaporated, and next wastewater spraying is started; the wastewater coming out of the evaporating device reflows into the evaporation pond. The in-situ leaching uranium mine wastewater is uniformly distributed onto the base material through lifting of the submerged pump, and under the action of wind energy or solar energy, evaporation of the wastewater is accelerated, so that the evaporation efficiency is improved, the difficulty that the wastewater in the evaporation pond is difficult to treat and accumulate is overcome, and the economy and reasonability are relatively good.
Description
Technical field
The invention belongs to in-situ leaching uranium mine wastewater treatment technology, be specifically related to a kind of In-situ Leaching Uranium Mine waste evaporator plant and method.
Background technology
In-situ leaching uranium technology is centralized procurement, choosing, smelting adopt uranium novel process in one, is widely used in the exploitation of uranium at present at home and abroad, leaches and in wet metallurgy course, the method for wastewater treatment that produces enters evaporation tank to carry out spontaneous evaporation, i.e. spontaneous evaporation method.The main source of ground leaching mine wastewater has: one, in-situ leaching uranium mine is ensure that the underground water beyond mining area exploitation scope does not dilute leaching solution, simultaneously ensure leaching solution not to limit of mining with external diffusion, usually the molten leaching scope of leaching solution is controlled, general way is that the drawing liquid amount of production well is greater than 0.3% of the reservoir quantity of fluid injection boring, and the leach liquor that drawing liquid amount is greater than reservoir quantity 0.3% enters evaporation tank through ion-exchange absorption is attached; Two, leach liquor adsorbs through ion-exchange, the qualifying liquid of the saturated rear drip washing of resin through acidifying, precipitate last sedimentation, the mother liquor uranium concentration of sedimentation comparatively lower part enters evaporation tank spontaneous evaporation; Three, ground waste water and worker's waste water of bath is rinsed in hydrometallurgy factory building.Use spontaneous evaporation method can make full use of local natural condition nature to wastewater treatment, reduce the cost of wastewater treatment.The main deficiency of spontaneous evaporation method is: larger by effect of natural conditions, winter, steam output was very little, be only applicable to steam output much larger than rainfall amount area, simultaneously along with the area of the increase also corresponding expansion evaporation tank of throughput, to expropriation of land and environmental protection requirement higher.
Summary of the invention
The object of the present invention is to provide a kind of In-situ Leaching Uranium Mine waste evaporator plant and method, it utilizes wind energy to wastewater treatment by hanging body material, solves an evaporation tank waste water accumulation difficult problem, lowers the pressure of expropriation of land and environmental protection.
Realize the technical scheme of the object of the invention: a kind of In-situ Leaching Uranium Mine waste water method of evaporating, it comprises the steps:
A In-situ Leaching Uranium Mine water reuse submersible pump in evaporation tank is promoted in evaporation unit by (), control wastewater temperature 10 ~ 20 DEG C;
B (), in evaporation unit, waste water enters liquid distributor, be sprayed at uniformly on body material evaporate by the liquid distributing hole on liquid distributor; The feed liquor time of waste water is 3 ~ 10min, liquid inlet volume is 250 ~ 350g/m
2; Control atmospheric moisture 35 ~ 50%RH, wind speed 1 ~ 3m/s; The overall water-retaining capacity of body material is 30 ~ 40kg; Described body material is polypropylene establishment cloth or carbon fiber woven cloth;
C () waits for 20 ~ 30min, the waste water that body material adsorbs all evaporates completely, starts waste water next time and sprays; Evaporation tank is entered from evaporation unit return of waste water out.
A kind of In-situ Leaching Uranium Mine waste water method of evaporating as above, evaporation unit described in it is other arranges rinse bath, placing mass percent in rinse bath is the aqueous citric acid solution of 10 ~ 30wt%, adopt submersible pump to be sprayed on body material by this aqueous citric acid solution, the crystallisate be attached on body material is washed.
A kind of In-situ Leaching Uranium Mine waste evaporator plant of the present invention, this evaporation unit comprises frame, frame is fixed on pedestal, some supporting tubes be arranged in parallel and adopt pipe clamp to be fixed on upper rack and bottom, some block matrix materials are fixed between two corresponding supporting tubes setting up and down, also be arranged in parallel some liquid distributors above frame, liquid distributor has several liquid distributing holes.
A kind of In-situ Leaching Uranium Mine waste evaporator plant as above, the adjacent liquid distributor spacing described in it is 200 ~ 300mm, and the liquid distributing hole that spacing is 30 ~ 40mm offered by every root liquid distributor, liquid distributing hole footpath 1 ~ 3mm.
A kind of In-situ Leaching Uranium Mine waste evaporator plant as above, the liquid distributor material described in it is UPVC pipe or stainless steel tube.
A kind of In-situ Leaching Uranium Mine waste evaporator plant as above, tapping valve is equipped with in the liquid distributor both sides described in it.
A kind of In-situ Leaching Uranium Mine waste evaporator plant as above, the supporting tube material described in it is that galvanized steel pipe or UPVC manage or stainless steel tube.
A kind of In-situ Leaching Uranium Mine waste evaporator plant as above, the frame described in it adopts stainless steel, and outer brushing rust-inhibiting paint is two-layer for anticorrosion, and frame adopts welding process to connect.
A kind of In-situ Leaching Uranium Mine waste evaporator plant as above, arranges the housing that PVC board makes, the gauze in the outer layer covers 1mm aperture of this housing outside the submersible pump described in it.
Effect of the present invention is: the invention provides and a kind ofly process the method for waste water and device that produce in in-situ leaching uranium process, namely for the waste water that In-situ Leaching Uranium Mine produces, waste water is uniformly distributed on body material by the method promoted by submersible pump, under the effect of wind energy or sun power, the novel method accelerating evaporation is carried out to waste water, improve vaporization efficiency, solve the difficult problem that evaporation tank waste water is difficult and accumulate, there is good economy and reasonableness.Naturally compared with steaming in evaporation tank with waste water, this device can significantly improve evaporating waste water amount, significantly reduces the floor space of building evaporation tank.Meanwhile, apparatus of the present invention can process high-salt wastewater, containing NaCl concentration at 9g/L or more, then do not process as other waste water treatment process such as reverse osmosiss or cost very high.
Accompanying drawing explanation
Fig. 1 is a kind of In-situ Leaching Uranium Mine waste evaporator plant schematic diagram of the present invention;
Fig. 2 is evaporation unit front view;
Fig. 3 is evaporation unit vertical view;
Fig. 4 is supporting tube assembling front view;
Fig. 5 is supporting tube assembling plan view;
Fig. 6 is liquid distributor assembling front view;
Fig. 7 is liquid distributor assembling plan view.
In figure: 1. evaporation tank; 2. submersible pump; 3. evaporation unit; 4. rinse bath; 5. body material; 6. frame; 7. supporting tube; 8. liquid distributor; 9. pedestal.
Embodiment
Below in conjunction with the drawings and specific embodiments, a kind of In-situ Leaching Uranium Mine waste evaporator plant of the present invention and method are further described.
Embodiment 1
As shown in Figure 1, a kind of In-situ Leaching Uranium Mine waste water method of evaporating of the present invention, it comprises the steps:
A In-situ Leaching Uranium Mine water reuse submersible pump in evaporation tank 1 is promoted in evaporation unit 3 by (), external temperature 20 DEG C, controls wastewater temperature 16 DEG C;
B (), in evaporation unit 3, waste water enters liquid distributor 8, be sprayed at uniformly on body material 5 evaporate by the liquid distributing hole on liquid distributor 8; The feed liquor time of waste water is 5min, liquid inlet volume is 290g/m
2; Control atmospheric moisture 46%RH, wind speed 1.5m/s; The overall water-retaining capacity of body material is about 31kg; Described body material is polypropylene establishment cloth or carbon fiber woven cloth;
C () waits for 25min, on body material 5, the waste water of absorption all evaporates completely, starts waste water next time and sprays; Evaporation tank 1 is entered from evaporation unit 3 return of waste water out.
Described evaporation unit 3 is other arranges rinse bath 4, and placing mass percent in rinse bath 4 is the aqueous citric acid solution of 20wt%, adopts submersible pump to be sprayed on body material 5 by this aqueous citric acid solution, washs the crystallisate be attached on body material 5.
As shown in Figures 1 to 7, this evaporation unit 3 comprises frame 6, frame 6 is fixed on pedestal 9, some supporting tubes 7 be arranged in parallel and adopt pipe clamp to be fixed on frame 6 upper and lower, some block matrix materials 5 are fixed between two corresponding supporting tubes 7 setting up and down, also be arranged in parallel some liquid distributors 8 above frame 6, liquid distributor 8 has several liquid distributing holes.
Described adjacent liquid distributor 8 spacing is 240mm, and the liquid distributing hole that spacing is 35mm offered by every root liquid distributor 8, and radial angle is 45 °, liquid distributing hole footpath 2mm.Liquid distributor 8 material is UPVC pipe.Tapping valve is equipped with in liquid distributor 8 both sides.
Described supporting tube 7 material is galvanized steel pipe.
Described frame 6 adopts stainless steel, and outer Tu brush rust-inhibiting paint is two-layer for anticorrosion, and frame 6 adopts welding process to connect.
The housing that PVC board makes is set outside described submersible pump 2, the gauze in the outer layer covers 1mm aperture of this housing.
Embodiment 2
As shown in Figure 1, a kind of In-situ Leaching Uranium Mine waste water method of evaporating of the present invention, it comprises the steps:
A In-situ Leaching Uranium Mine water reuse submersible pump in evaporation tank 1 is promoted in evaporation unit 3 by (), external temperature 25 DEG C, controls wastewater temperature 10 DEG C;
B (), in evaporation unit 3, waste water enters liquid distributor 8, be sprayed at uniformly on body material 5 evaporate by the liquid distributing hole on liquid distributor 8; The feed liquor time of waste water is 5min, liquid inlet volume is 289g/m
2; Control atmospheric moisture 39%RH, wind speed 2.1m/s; The overall water-retaining capacity of body material is about 30kg; Described body material is polypropylene establishment cloth or carbon fiber woven cloth;
C () waits for 25min, on body material 5, the waste water of absorption all evaporates completely, starts waste water next time and sprays; Evaporation tank 1 is entered from evaporation unit 3 return of waste water out.
Described evaporation unit 3 is other arranges rinse bath 4, and placing mass percent in rinse bath 4 is the aqueous citric acid solution of 20wt%, adopts submersible pump to be sprayed on body material 5 by this aqueous citric acid solution, washs the crystallisate be attached on body material 5.
As shown in Figures 1 to 7, this evaporation unit 3 comprises frame 6, frame 6 is fixed on pedestal 9, some supporting tubes 7 be arranged in parallel and adopt pipe clamp to be fixed on frame 6 upper and lower, some block matrix materials 5 are fixed between two corresponding supporting tubes 7 setting up and down, also be arranged in parallel some liquid distributors 8 above frame 6, liquid distributor 8 has several liquid distributing holes.
Described adjacent liquid distributor 8 spacing is 240mm, and the liquid distributing hole that spacing is 35mm offered by every root liquid distributor 8, liquid distributing hole footpath 2mm.Liquid distributor 8 material is stainless steel tube.Tapping valve is equipped with in liquid distributor 8 both sides.
Described supporting tube 7 material is stainless steel tube.
Described frame 6 adopts stainless steel, and outer Tu brush rust-inhibiting paint is two-layer for anticorrosion, and frame 6 adopts welding process to connect.
The housing that PVC board makes is set outside described submersible pump 2, the gauze in the outer layer covers 1mm aperture of this housing.
Claims (9)
1. an In-situ Leaching Uranium Mine waste water method of evaporating, is characterized in that, the method comprises the steps:
A In-situ Leaching Uranium Mine water reuse submersible pump in evaporation tank (1) is promoted in evaporation unit (3) by (), control wastewater temperature 10 ~ 20 DEG C;
B (), in evaporation unit (3), waste water enters liquid distributor (8), be sprayed at the upper evaporation of body material (5) uniformly by the liquid distributing hole on liquid distributor (8); The feed liquor time of waste water is 3 ~ 10min, liquid inlet volume is 250 ~ 350g/m
2; Control atmospheric moisture 35 ~ 50%RH, wind speed 1 ~ 3m/s; The overall water-retaining capacity of body material is 30 ~ 40kg; Described body material is polypropylene establishment cloth or carbon fiber woven cloth;
C () waits for 20 ~ 30min, the waste water of the upper absorption of body material (5) all evaporates completely, starts waste water next time and sprays; Evaporation tank (1) is entered from evaporation unit (3) return of waste water out.
2. a kind of In-situ Leaching Uranium Mine waste water method of evaporating according to claim 1, it is characterized in that, described evaporation unit (3) is other arranges rinse bath (4), placing mass percent in rinse bath (4) is the aqueous citric acid solution of 10 ~ 30wt%, adopt submersible pump to be sprayed at by this aqueous citric acid solution on body material (5), the crystallisate be attached on body material (5) is washed.
3. the In-situ Leaching Uranium Mine waste evaporator plant described in a claim 1 or 2, it is characterized in that, this evaporation unit (3) comprises frame (6), frame (6) is fixed on pedestal (9), some supporting tubes (7) be arranged in parallel and adopt pipe clamp to be fixed on frame (6) upper and lower, some block matrix materials (5) are fixed between two corresponding supporting tubes (7) setting up and down, also be arranged in parallel in frame (6) top some liquid distributors (8), and (8) have several liquid distributing holes with liquid distributor.
4. a kind of In-situ Leaching Uranium Mine waste evaporator plant according to claim 3, it is characterized in that, described adjacent liquid distributor (8) spacing is 200 ~ 300mm, every root liquid distributor (8) offers the liquid distributing hole that spacing is 30 ~ 40mm, liquid distributing hole footpath 1 ~ 3mm.
5. a kind of In-situ Leaching Uranium Mine waste evaporator plant according to claim 3, is characterized in that, described liquid distributor (8) material is UPVC pipe or stainless steel tube.
6. a kind of In-situ Leaching Uranium Mine waste evaporator plant according to claim 3, is characterized in that, tapping valve is equipped with in described liquid distributor (8) both sides.
7. a kind of In-situ Leaching Uranium Mine waste evaporator plant according to claim 3, is characterized in that, described supporting tube (7) material is that galvanized steel pipe or UPVC manage or stainless steel tube.
8. a kind of In-situ Leaching Uranium Mine waste evaporator plant according to claim 3, is characterized in that, described frame (6) adopts stainless steel, and outer brushing rust-inhibiting paint is two-layer for anticorrosion, and frame (6) adopts welding process to connect.
9. a kind of In-situ Leaching Uranium Mine waste evaporator plant according to claim 3, is characterized in that, described submersible pump (2) outside arranges the housing that PVC board makes, the gauze in the outer layer covers 1mm aperture of this housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410820347.0A CN104609487B (en) | 2014-12-25 | 2014-12-25 | A kind of In-situ Leaching Uranium Mine waste evaporator plant and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410820347.0A CN104609487B (en) | 2014-12-25 | 2014-12-25 | A kind of In-situ Leaching Uranium Mine waste evaporator plant and method |
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| CN104609487A true CN104609487A (en) | 2015-05-13 |
| CN104609487B CN104609487B (en) | 2017-01-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626461A (en) * | 2018-11-13 | 2019-04-16 | 核工业北京化工冶金研究院 | A kind of in-situ acid uranium leaching evaporation tank waste liquid accelerates the device and method of evaporation |
| CN109970264A (en) * | 2019-03-08 | 2019-07-05 | 中核通辽铀业有限责任公司 | A kind of In-situ Leaching Uranium Mine evaporation tank odorant pollutant control method |
| CN110127922A (en) * | 2019-05-21 | 2019-08-16 | 广州南大环保科技有限公司 | More metal associated gold ore ore dressing liquid waste treatment systems and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626461A (en) * | 2018-11-13 | 2019-04-16 | 核工业北京化工冶金研究院 | A kind of in-situ acid uranium leaching evaporation tank waste liquid accelerates the device and method of evaporation |
| CN114477337A (en) * | 2018-11-13 | 2022-05-13 | 核工业北京化工冶金研究院 | Device and method for accelerating acid-method-based in-situ leaching uranium mining wastewater evaporation |
| CN109970264A (en) * | 2019-03-08 | 2019-07-05 | 中核通辽铀业有限责任公司 | A kind of In-situ Leaching Uranium Mine evaporation tank odorant pollutant control method |
| CN109970264B (en) * | 2019-03-08 | 2021-09-17 | 中核通辽铀业有限责任公司 | Method for controlling malodorous pollutants in evaporation pond of in-situ leaching uranium mining mine |
| CN110127922A (en) * | 2019-05-21 | 2019-08-16 | 广州南大环保科技有限公司 | More metal associated gold ore ore dressing liquid waste treatment systems and method |
| CN110127922B (en) * | 2019-05-21 | 2021-11-05 | 广州南大环保科技有限公司 | Multi-metal associated gold ore dressing waste liquid treatment system and method |
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| Publication number | Publication date |
|---|---|
| CN104609487B (en) | 2017-01-04 |
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