CN107840547A - A kind of mine water deeply processing and resource utilization method and device - Google Patents
A kind of mine water deeply processing and resource utilization method and device Download PDFInfo
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- CN107840547A CN107840547A CN201711256339.8A CN201711256339A CN107840547A CN 107840547 A CN107840547 A CN 107840547A CN 201711256339 A CN201711256339 A CN 201711256339A CN 107840547 A CN107840547 A CN 107840547A
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- 238000000108 ultra-filtration Methods 0.000 claims abstract description 42
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- 238000004064 recycling Methods 0.000 claims abstract description 13
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a kind of processing of mine water deeply and the method and device of recycling, including ultrafiltration system, counter-infiltration system, removing heavy metals device, current wetland, surface-flow and landscape lake, it is characterized in that ultrafiltration system connects counter-infiltration system, ultrafiltration system and counter-infiltration system are connected with removing heavy metals device, the production water of counter-infiltration system enters current wetland, current wetland connects surface-flow, surface-flow connection landscape lake.Advanced treatment process of the present invention by " ultrafiltration-counter-infiltration-current wetland-surface-flow-landscape lake " for main body, solves the problem of outlet of mine water；Take into account and purify water and restoration of the ecosystem dual-use function, soil and quality of water environment can be improved, beautify environment of mining area；Hg, Pb, Cd, Ni, Sn heavy metal ion in mine water are effectively eliminated simultaneously, prevents from causing the harm to underground water and human body during reuse.
Description
Technical field
The present invention relates to Sewage advanced treatment and resource utilization method, and in particular to a kind of mine water deeply processing and money
Source Application way and device.
Background technology
Mine water is inflow or infiltration pit shaft, Atmospheric precipitation, the earth's surface of underworkings and working face during coal production
The general name of water, underground water and abandoned- mine water.Mine water is that coal master wants waste water, traditional processing and resource utilization method be through
The handling process such as coagulation, precipitation, filtering, sterilization, the mine water after processing are back to underground grouting, dust-proof or for ground coal washing
Factory, plant area's dedusting, equipment cooling, green area irrigation etc..
Because mine water yield is big, some collieries itself can not consume the mine water after processing, especially for remote
From the colliery of industrial park, the utilization ways of mine water turn into problem urgently to be resolved hurrily.Some coal mining enterprises will handle after not yet
The mine water for reaching water environment quality standard is discharged into periphery river, lake even reservoir, water environment is caused serious
Pollution.
The content of the invention
It is an object of the invention to for mine water yield it is big, be difficult to the problem that all comprehensively utilizes, propose a kind of ore deposit
Well water advanced treating and resource utilization method and device, mainly by the way that " ultrafiltration-counter-infiltration-current wetland-surface low is wet
Ground-landscape lake " is the advanced treatment process of main body, and unnecessary mine water is converted into landscape water, in the same of beautification environment of mining area
When, efficiently solve the problem of outlet of mine water.
In order to solve the above-mentioned technical problem, the invention discloses a kind of processing of mine water deeply and the method for recycling
And device, the processing of one of which mine water deeply and the device of recycling, including ultrafiltration system 1, counter-infiltration system 2, remove
Heavy metal device 3, current wetland 4, surface-flow 5 and landscape lake 6, it is characterised in that ultrafiltration system, counter-infiltration system, except a huge sum of money
Category device, current wetland, the annexation of surface-flow system and landscape lake are：Ultrafiltration system 1 connects counter-infiltration system 2, surpasses
Filter system 1 connects removing heavy metals device 3 with the concentrated water of counter-infiltration system 2, and the production water of counter-infiltration system 2 enters current wetland 4, dives
Flow wetland 4 and connect surface-flow 5, surface-flow system 5 connects landscape lake 6.
The present invention further discloses mine water deeply processing and the method for recycling is carried out using the device, it is special
Sign is to carry out by the steps：
1）It is remaining after mine water after coagulating sedimentation or the processing of super Magneto separate requires abundant reuse according to underground and plant area with water
Mine water enters ultrafiltration system；
2）Ultrafiltration system water outlet squeezes into counter-infiltration system through clarified water pump, cartridge filter, high-pressure pump；Ultrafiltration system water inlet operation pressure
Power control is less than 4 in 0.1-0.5Mpa, the requirement of water outlet SDI values；Counter-infiltration system intake pressure is controlled in 1.0-1.2MPa, desalination
Rate 95%-99%, producing water ratio are not less than 60%；Remaining reverse osmosis produced water all squeezes into current wetland by booster pump chamber after reuse；
3）If Hg, Pb, Cd, Ni, Sn heavy metal ion content are high in concentrated water caused by ultrafiltration system, counter-infiltration system, then enter
Enter removing heavy metals device, concentrated water is used for underground recharge after processing, dust-proof, hillock washes away；The removing heavy metals device uses
Ion-exchange unit, select to needing heavy-metal ion removal to have compared with high selectivity and inoxidizability and anti-organic matter flaw in waste water
Dirty cationic ion-exchange resin or the chelating resin that can be combined rich in hydroxyl, amido, carboxyl, sulfydryl etc. with heavy metal, during contact
Between control in 5-120min；Wherein cationic ion-exchange resin or chelating resin are selected according to the difference of heavy metal ion, example
Such as：
（1）When handling Hg ions, the resin that can be used is：Macroporous ion exchange resin, phenol Lauxite,
Srafion NMRR resins or Nisso ALM-525 resins etc.；
（2）When handling Pb ions, the resin that can be used is：732 sodium form cationic ion-exchange resins, ether-containing key amberlite
Fat, poly methylene imine acid amides ion exchange resin or chelating resin NDC702 etc.；
（3）When handling Cd ions, the resin that can be used is：Purolite S-950 cationic ion-exchange resins, Dowex
50W-X4 cationic ion-exchange resins, chelating resin IRC748 or chelating resin NDC702 etc..
4）Reverse osmosis produced water is boosted, after water distribution, and by perforating, tracery wall enters current wetland, and the current wetland is with hydrophilic
Plant is that thing is afforested on surface, and the initial porosity control of packing layer is designed as in 35%-40%, the bed stuffing height of current wetland
0.7-1.0m, depth of water control are controlled in 0.2-0.5m in 0.4-1.6m, hydraulic load3/m2D, hydraulic detention time are controlled in 1-
3d；Current wetland water outlet is after pipeline is collected, the surface-flow system of the unified freedom of entry water surface；Described surface greening thing refers to
Be reed, cattail, Scirpus tabernaemontani, kalimeris, sea-buckthorn, sweet illiteracy Chinese tamarisk, Myricaria bracteata, the plant such as wide leaf German tamarisk；Described filler layer
Refer to the combination of one or more fillers such as gravel, zeolite, sand；Described waterproof plant refers to：Reed, cattail, Scirpus tabernaemontani
And kalimeris.
Described combined stuffing is combined by gravel, zeolite, three kinds of sand,
The ratio of weight and number of its cobble-stone：Big gravel（Particle diameter 50-80mm）：Middle particle diameter gravel（Particle diameter 30-40mm）：Small particle gravel
Stone（Particle diameter 10-30mm）For 1：1-2：1-2；
The ratio of weight and number of zeolite：Middle particle diameter zeolite（Particle diameter 30-40mm）：Small particle size zeolite（Particle diameter 10-30mm）For 1：0.5-
1.5。
5）Water in the flow process of surface-flow system with the soil in system, plant, particularly with plant roots stem
The biofilm contact of growth, it is purified by physics, chemical and biological course of reaction；The depth of water control of surface-flow
In 0.3-0.5m, hydraulic load is controlled in 0.03-0.1m3/m2D, hydraulic detention time are controlled in 4-8d；
6）The water outlet of surface-flow system enters landscape lake.
Landscape lake is connected with surface water bodies such as river, lakes.It should be noted that mine water is continually caused, institute
There is outlet with the water of landscape lake.
Of the invention further disclose is existed using device progress mine water deeply processing and the method for recycling
Application near improvement soil-water environment quality, raising in terms of the bio-diversity in basin.Particularly effectively removing mine water
In Hg, Pb, Cd, Ni, Sn heavy metal ions that may be present application, it is right during reuse to effectively prevent mine water
The harm of underground water and human body.Experimental result is shown, after certain drought and water-scarce area Coal Exploitation this method, greatly improves soil
And quality of water environment, engineering normal operation choose sampled point measure after 1 year, soil organic matter content is by 0.24% in artificial swamp
2.62% is brought up to, soil pH falls below 7.4 by 8.7, has reached the effect of improved soil.Mining area periphery water environment is by original
The few water of water shortage is changed into reaching the water resource of the class standard of earth's surface III with abundant, while improves the bio-diversity in neighbouring basin
（Vegetation, fish, birds and other wild animals）, the Multiple environmental quality in mining area is improved, promotes water resource efficient circulation
Utilize, to safeguarding that the stability of ecological safety and the ecosystem serves facilitation.
More detailed description of the present invention is as follows：
A kind of mine water deeply processing and the method for recycling follow the steps below：
After mine water after the conventional treatment such as coagulating sedimentation or super Magneto separate requires abundant reuse according to underground and plant area with water,
Remaining mine water enters ultrafiltration system；
Ultrafiltration of the present invention, counter-infiltration, removing heavy metals device are all known.Ultrafiltration system therein is mainly used in
Except macromolecular substances such as the suspension in mine water, colloid, particulate, bacteriums, water inlet operating pressure is controlled in 0.1-0.5 Mpa,
The requirement of water outlet SDI values is less than 4；Ultra-filtration water squeezes into counter-infiltration system through clarified water pump, cartridge filter, high-pressure pump.
The counter-infiltration system is mainly used in removing salinity and partial organic substances in mine water, water inlet operating pressure control
In 1.0-1.2MPa, salt rejection rate 95%-99%, producing water ratio is not less than 60%.
If Hg, Pb, Cd, Ni, Sn heavy metal ion content are high in concentrated water caused by ultrafiltration and counter-infiltration system, then enter
Removing heavy metals device, concentrated water is washed away for underground recharge, dust-proof, hillock after removing removing heavy metals.
The removing heavy metals device uses ion-exchange unit, selects to needing deionization to have compared with high selectivity in waste water
And the stained cationic ion-exchange resin of inoxidizability and anti-organic matter or rich in hydroxyl, amido, carboxyl, sulfydryl etc. can with again
The chelating resin that metal combines.
Counter-infiltration system production water can be back to plant area flush the toilet, fire-fighting, greening, road-cleaning, vehicle wash, construction etc.
Medium water quality requirement user or laundry, bathroom, the high water quality requirement user such as drink.Remaining reverse osmosis produced water is all by adding
Current wetland is squeezed into press pump room.
The current wetland afforests thing by surface of water loving plant, and the initial porosity of packing layer is controlled in 35%-40%, filled out
Bed depth is designed as 0.7-1.0m, and depth of water control is controlled in 0.2-0.5m in 0.4-1.6m, hydraulic load3/m2D, waterpower are stopped
Time control is stayed in 1-3d.Subsurface flow wetland system water outlet is after pipeline is collected, the surface-flow system of the unified freedom of entry water surface.
The depth of water control of the surface-flow is controlled in 0.03-0.1m in 0.3-0.5m, hydraulic load3/m2D, waterpower are stopped
Time control is stayed in 4-8d.Surface-flow water outlet exits into landscape lake through downflow weir.
The landscape lake reclaimed water matter can reach《Water environment quality standard》（GB3838-2002）In III class water quality mark
It is accurate, it is ensured that will not polluted surface water body.
Mine water deeply processing disclosed by the invention is had compared with prior art with resource utilization method and device
Good effect be：
（1）Pass through the advanced treatment process that " ultrafiltration-counter-infiltration-current wetland-surface-flow-landscape lake " is main body, solution
Determine the problem of outlet of mine water；
（2）Current wetland-surface-flow-landscape lake advanced treatment process, take into account and purify water and restoration of the ecosystem dual-use function,
Soil and quality of water environment can be improved, beautify environment of mining area；
（3）Removing heavy metals device effectively eliminates Hg, Pb, Cd, Ni, Sn heavy metal ion that may be present in mine water, prevents
The harm to underground water and human body is caused during reuse.
Brief description of the drawings
Fig. 1 is a kind of mine water deeply processing of the present invention and the process chart of resource utilization method；
Fig. 2 is a kind of mine water deeply processing unit of the present invention；
Wherein label：1 ultrafiltration system；2 counter-infiltration systems；3 removing heavy metals devices；4 current wetlands；5 surface-flows；6
Landscape lake.
Embodiment
The present invention is described below by specific embodiment.Unless stated otherwise, technological means used in the present invention
It is method known in those skilled in the art.In addition, embodiment is interpreted as illustrative, it is not intended to limit the present invention
Scope, the spirit and scope of the invention are limited only by the claims that follow.To those skilled in the art, without departing substantially from this
The various changes carried out on the premise of invention spirit and scope to the material component in these embodiments and dosage or change
Belong to protection scope of the present invention.Raw materials used and reagent of the invention is commercially available.
Embodiment 1
As shown in figure 1, a kind of processing of mine water deeply and the device of recycling, including ultrafiltration system 1, counter-infiltration system 2,
Removing heavy metals device 3, current wetland 4, surface-flow 5 and landscape lake 6, it is characterised in that ultrafiltration system, counter-infiltration system, except weight
Metal device, current wetland, the annexation of surface-flow system and landscape lake are：Ultrafiltration system 1 connects counter-infiltration system 2,
Ultrafiltration system 1 connects removing heavy metals device 3 with the concentrated water of counter-infiltration system 2, and the production water of counter-infiltration system 2 enters current wetland 4,
Current wetland 4 connects surface-flow 5, and surface-flow 5 connects landscape lake 6.
Processing method：
After mine water after the conventional treatment such as coagulating sedimentation or super Magneto separate requires abundant reuse according to underground and plant area with water,
Remaining mine water enters ultrafiltration system；
The ultrafiltration system is the pretreating process of counter-infiltration system, is mainly used in removing suspension in mine water, colloid, micro-
The macromolecular substances such as grain, bacterium, operating pressure control are less than 4 in 0.2 Mpa, the requirement of water outlet SDI values.The water outlet of ultrafiltration 1 is through clear water
Pump, cartridge filter, high-pressure pump squeeze into counter-infiltration system 2.
The counter-infiltration system intake pressure control is in 1.2MPa, and salt rejection rate is more than 97%, and producing water ratio is 72% or so；Reverse osmosis
Permeable system produce Water circulation flush the toilet in plant area, fire-fighting, greening, road-cleaning, vehicle wash and laundry, bathroom water.It is remaining anti-
Infiltration production water all squeezes into current wetland 4 by booster pump chamber.
Pb ion concentrations are high in concentrated water caused by ultrafiltration system and counter-infiltration system, into removing heavy metals device, after processing
Concentrated water is used for underground recharge, dust-proof and hillock washes away.
The removing heavy metals device uses ion-exchange unit, selects to have compared with high selectivity and anti-oxidant Pb ions
Property and the stained 732 sodium form cationic ion-exchange resins of anti-organic matter.
Reverse osmosis produced water is boosted, after water distribution, and by perforating, tracery wall enters current wetland, in waterproof plant and the connection of filler
Under cooperation is used, by the settlement action of physics, the interception of root system of plant, the absorption of gravel and plant surface is made with absorbing
With metabolism of microorganism etc., realizing purification of water quality.Current wetland selects zeolite filler, and bed stuffing height is designed as 0.7m,
Hydraulic load is controlled in 0.3m3/m2D, hydraulic detention time are controlled in 3d.The water outlet of current wetland 4 is unified after pipeline is collected
The surface-flow system 5 of the freedom of entry water surface.
Water, with the soil in system, plant, is particularly given birth in the flow process of the surface-flow with plant roots stem
Long biofilm contact, it is purified by physics, chemical and biological course of reaction.The depth of water control of surface-flow exists
0.3m, hydraulic load are controlled in 0.04m3/m2D, hydraulic detention time are controlled in 6d.
Surface-flow water outlet enters landscape lake.Landscape lake be birds, fish, amphibian breeding, inhabit, move empty field
Institute, there is the function of the aesthetics aspect such as nature sightseeing, tourism, amusement.Landscape lake is connected with neighbouring river.Landscape lake reclaimed water mass-energy
Enough reach《Water environment quality standard》（GB3838-2002）In III class water standard, it is ensured that will not polluted surface water body.
Embodiment 2
As shown in figure 1, a kind of processing of mine water deeply and the device of recycling, including ultrafiltration system 1, counter-infiltration system 2,
Removing heavy metals device 3, current wetland 4, surface-flow 5 and landscape lake 6, it is characterised in that ultrafiltration system 1 connects counter-infiltration system
2, ultrafiltration system 1 connects removing heavy metals device 3 with the concentrated water of counter-infiltration system 2, and the production water of counter-infiltration system 2 enters current wetland
4, current wetland 4 connects surface-flow 5, and surface-flow 5 connects landscape lake 6.
Processing method：
（1）Mine water after the conventional treatment such as coagulating sedimentation or super Magneto separate requires abundant reuse according to underground and plant area with water
Afterwards, remaining mine water enters ultrafiltration system；
（2）The ultrafiltration system is the pretreating process of counter-infiltration system, is mainly used in removing suspension, glue in mine water
The macromolecular substances such as body, particulate, bacterium, operating pressure control are less than 4 in 0.2 Mpa, the requirement of water outlet SDI values.The water outlet of ultrafiltration 1 passes through
Clarified water pump, cartridge filter, high-pressure pump squeeze into counter-infiltration system 2；
（3）The counter-infiltration system intake pressure control is in 1.2MPa, and salt rejection rate is more than 97%, and producing water ratio is 72% or so；Reverse osmosis
Permeable system produce Water circulation flush the toilet in plant area, fire-fighting, greening, road-cleaning, vehicle wash and laundry, bathroom water.It is remaining anti-
Infiltration production water all squeezes into current wetland by booster pump chamber.
Cd ion concentrations are high in concentrated water caused by ultrafiltration system and counter-infiltration system, into removing heavy metals device, after processing
Concentrated water is used for underground recharge, dust-proof and hillock washes away.
The removing heavy metals device uses ion-exchange unit, selects to have compared with high selectivity and anti-oxidant Cd ions
Property and the stained Purolite S-950 cationic ion-exchange resins of anti-organic matter.
（4）Reverse osmosis produced water is boosted, after water distribution, and by perforating, tracery wall enters current wetland, in waterproof plant and filler
Synergy under, pass through the settlement action of physics, the interception of root system of plant, the absorption and absorption of gravel and plant surface
Effect, metabolism of microorganism etc., realize purification of water quality.Current wetland selects combined stuffing, and bed stuffing height is designed as
0.7m, hydraulic load are controlled in 0.3m3/m2D, hydraulic detention time are controlled in 3d.The water outlet of current wetland 4 after pipeline is collected,
The surface-flow system 5 of the unified freedom of entry water surface.
Described waterproof plant refers to：Reed, cattail, Scirpus tabernaemontani and kalimeris.
Described combined stuffing is combined by gravel, zeolite, three kinds of sand,
The ratio of weight and number of its cobble-stone：Big gravel（Particle diameter 50-80mm）：Middle particle diameter gravel（Particle diameter 30-40mm）：Small particle gravel
Stone（Particle diameter 10-30mm）For 1：1.2：1.2；
The ratio of weight and number of zeolite：Middle particle diameter zeolite（Particle diameter 30-40mm）：Small particle size zeolite（Particle diameter 10-30mm）For 1：1；
The ratio of weight and number of middle sand, gravel：Middle sand：Gravel is 1：0.5.
Water, with the soil in system, plant, is particularly given birth in the flow process of the surface-flow with plant roots stem
Long biofilm contact, it is purified by physics, chemical and biological course of reaction.The depth of water control of surface-flow exists
0.3m, hydraulic load are controlled in 0.04m3/m2D, hydraulic detention time are controlled in 6d.
Surface-flow water outlet enters landscape lake.Landscape lake be birds, fish, amphibian breeding, inhabit, move empty field
Institute, there is the function of the aesthetics aspect such as nature sightseeing, tourism, amusement.Landscape lake is connected with river.Landscape lake reclaimed water matter can reach
Arrive《Water environment quality standard》（GB3838-2002）In III class water standard, river will not be polluted.
Embodiment 3
Application example
Certain colliery is located in drought and water-scarce area, and 12,000,000 tons of annual production capacity, mine water front-end processing is using " preformed precipitate-super
Group technology based on Magneto separate-filtering ", main water quality index is shown in Table 1 after processing.Mine water section is back to well after processing
Lower slip casting, dust-proof, coal preparation plant's coal washing, plant area's greening, sprinkling depositing dust etc., due to nearby going out without industrial park, remaining mine water
Road problem becomes the limitation bottleneck of enterprise development.Therefore, a kind of mine water deeply processing of the Coal Exploitation present invention and resource
Change Application way and device and advanced treating and recycling are carried out to remaining mine water.
Water part is back to plant area's greening, road-cleaning, sprinkling depositing dust etc. after super Magneto separate processing, and remaining mine water enters
Enter ultrafiltration system, ultrafiltration is selected, and operating pressure control is less than 4 in 0.25 Mpa, water outlet SDI value stabilizations；Ultrafiltration system water outlet passes through
Clarified water pump, cartridge filter, high-pressure pump squeeze into counter-infiltration system；Counter-infiltration system intake pressure is controlled in 1.0MPa, salt rejection rate
More than 96%, producing water ratio is 70% or so；Counter-infiltration system produce Water circulation flush the toilet in plant area, fire-fighting, laundry and bathroom water, remain
Remaining reverse osmosis produced water all squeezes into current wetland by booster pump chamber；Hg ions in concentrated water caused by ultrafiltration system and counter-infiltration system
Content is high, and into removing heavy metals device, removing heavy metals device is connect using the ion-exchange unit removing Hg ions of phenol Lauxite
Touching time control, concentrated water is used for underground recharge after 60min, processing and hillock washes away；Current wetland is filled out using gravel as filler
Bed depth is designed as 0.8m, and hydraulic load is controlled in 0.4m3/m2D, hydraulic detention time control are planted in 2d, current wetland
About 1,170,000 plants of reed, sea-buckthorn are planted, current wetland water outlet is after pipeline is collected, into surface-flow system；The water of surface-flow
Deep control is controlled in 0.05m in 0.5m, hydraulic load3/m2D, residence time control is in 5d, plantation reed, cattail about 37.5 ten thousand
Strain, about 37.5 ten thousand plants of duckweed, water lily；Surface-flow water outlet enters landscape lake, and landscape lake is connected with certain neighbouring river, Water in landscape lake
Matter is shown in Table 1, is better than《Water environment quality standard》（GB3838-2002）In III class water standard, dirt will not be caused to river
Dye.
The construction of the project greatly improves soil and quality of water environment, and engineering normal operation chooses sampled point survey after 1 year
Fixed, soil organic matter content brings up to 2.62% by 0.24% in artificial swamp, and soil pH falls below 7.4 by 8.7, has reached improvement
The effect of soil, mining area periphery water environment are changed into the abundant water for reaching the class standard of earth's surface III money from the few water of original water shortage
Source, while improve the bio-diversity in neighbouring basin（Vegetation, fish, birds and other wild animals）, improve mining area
Multiple environmental quality, the utilization of water resource efficient circulation is promoted, to safeguarding that the stability of ecological safety and the ecosystem serves
Facilitation.
The Inlet and outlet water water quality unit of table 1：mg/L
Claims (5)
1. a kind of mine water deeply processing and the device of recycling, including ultrafiltration system（1）, counter-infiltration system（2）, except weight
Metal device（3）, current wetland（4）, surface-flow（5）And landscape lake（6）, it is characterised in that ultrafiltration system（1）Connect reverse osmosis
Permeable system（2）, ultrafiltration system（1）And counter-infiltration system（2）With removing heavy metals device（3）It is connected, counter-infiltration system（2）Production water
Into current wetland（4）, current wetland（4）Connect surface-flow（5）, surface-flow（5）Connect landscape lake（6）.
2. a kind of device using described in claim 1 carries out mine water deeply processing and the method for recycling, its feature
It is to carry out by the steps：
1）It is remaining after mine water after coagulating sedimentation or the processing of super Magneto separate requires abundant reuse according to underground and plant area with water
Mine water enters ultrafiltration system（1）；
2）Ultrafiltration system（1）Water outlet squeezes into counter-infiltration system through clarified water pump, cartridge filter, high-pressure pump（2）；Ultrafiltration system（1）
Operating pressure of intaking control is less than 4 in 0.1-0.5Mpa, the requirement of water outlet SDI values；Counter-infiltration system（2）Intake pressure control exists
1.0-1.2MPa, salt rejection rate 95%-99%, producing water ratio are not less than 60%；Remaining reverse osmosis produced water is all by booster pump chamber after reuse
Squeeze into current wetland（4）；
3）Ultrafiltration system（1）, counter-infiltration system（2）If Hg, Pb, Cd, Ni, Sn heavy metal ion content in caused concentrated water
Height, then into removing heavy metals device（3）, removing heavy metals device（3）Using ion-exchange unit, time of contact is controlled in 5-
120min；Ion-exchange unit can with heavy metal be combined using cationic ion-exchange resin or rich in hydroxyl, amido, carboxyl, sulfydryl
Chelating resin；
4）Reverse osmosis produced water is boosted, after water distribution, and by perforating, tracery wall enters current wetland（4）, the current wetland is with hydrophilic
Plant is that thing is afforested on surface, and the initial porosity of packing layer is controlled in 35%-40%, current wetland（4）Bed stuffing height design
For 0.7-1.0m, depth of water control is controlled in 0.2-0.5m in 0.4-1.6m, hydraulic load3/m2D, hydraulic detention time control exist
1-3d；Current wetland（4）Water outlet is after pipeline is collected, the surface-flow system of the unified freedom of entry water surface（5）；The surface is green
Compound refers to reed, cattail, Scirpus tabernaemontani, kalimeris, sea-buckthorn, sweet illiteracy Chinese tamarisk, Myricaria bracteata, wide leaf German tamarisk plant；It is described to fill out
The bed of material refers to the combination of gravel, zeolite, sand one or more filler；
5）Surface-flow system（5）Depth of water control in 0.3-0.5m, hydraulic load is controlled in 0.03-0.1m3/m2D, waterpower
Residence time is controlled in 4-8d；
6）Surface-flow system（5）Water outlet enters landscape lake（6）.
3. advanced treating and resource utilization method described in claim 2, wherein step 4）The packing layer of middle combination, is referred to
Combined by gravel, zeolite, three kinds of sand,
The ratio of weight and number of its cobble-stone：Big gravel particle diameter 50-80mm：Middle particle diameter grain size of gravel 30-40mm：Small particle gravel grain
Footpath 10-30mm is 1：1-2：1-2
The ratio of weight and number of zeolite：Middle particle diameter sized zeolite particles 30-40mm：Small particle size zeolite particle diameter 10-30mm is 1：0.5-1.5.
4. mine water deeply processing is carried out with the method for recycling in improvement soil using the device described in claim 2
Quality of water environment, improve the application in terms of the bio-diversity in basin nearby.
5. the method using device progress mine water deeply processing and recycling described in claim 2 is effectively removing
The application of Hg, Pb, Cd, Ni, Sn heavy metal ions in mine water.
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| CN102491564A (en) * | 2011-12-23 | 2012-06-13 | 中国矿业大学(北京) | Comprehensive recycling technology for mine water with high suspended matter content and high mineralization degree |
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