CN106082560A - A kind of processing method of beneficiation wastewater - Google Patents
A kind of processing method of beneficiation wastewater Download PDFInfo
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- CN106082560A CN106082560A CN201610671402.3A CN201610671402A CN106082560A CN 106082560 A CN106082560 A CN 106082560A CN 201610671402 A CN201610671402 A CN 201610671402A CN 106082560 A CN106082560 A CN 106082560A
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- carbon dioxide
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- 239000002351 wastewater Substances 0.000 title claims abstract description 77
- 238000003672 processing method Methods 0.000 title claims abstract description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 120
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 110
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 61
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 61
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000005273 aeration Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 40
- 229910001422 barium ion Inorganic materials 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 22
- 238000001556 precipitation Methods 0.000 claims abstract description 21
- 159000000009 barium salts Chemical class 0.000 claims abstract description 20
- 238000004062 sedimentation Methods 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 16
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- 238000007254 oxidation reaction Methods 0.000 claims abstract description 16
- 150000002500 ions Chemical class 0.000 claims abstract description 15
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- 239000007788 liquid Substances 0.000 claims abstract description 5
- 229960004424 carbon dioxide Drugs 0.000 claims description 61
- 239000002699 waste material Substances 0.000 claims description 21
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- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical group [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 5
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- 239000007787 solid Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
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- 238000006243 chemical reaction Methods 0.000 claims description 2
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- 239000007789 gas Substances 0.000 claims 3
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- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
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- 238000005516 engineering process Methods 0.000 description 7
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- 239000000463 material Substances 0.000 description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
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- 231100000719 pollutant Toxicity 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
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- 229910001220 stainless steel Inorganic materials 0.000 description 2
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- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 206010012735 Diarrhoea Diseases 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
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- 229910000831 Steel Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- -1 activated carbon Ion Chemical class 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- LETJXRNYVHPIHJ-UHFFFAOYSA-N chromium oxalonitrile Chemical compound N#CC#N.[Cr] LETJXRNYVHPIHJ-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- 231100000086 high toxicity Toxicity 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 230000029219 regulation of pH Effects 0.000 description 1
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- 239000000725 suspension Substances 0.000 description 1
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- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- 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
-
- 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
-
- 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
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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)
- Removal Of Specific Substances (AREA)
- Water Treatment By Sorption (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses the processing method of a kind of beneficiation wastewater, waste water passes sequentially through sump, coarse rack, primary sedimentation basin, pH value regulating reservoir, carbon dioxide vortex convection current scum silica frost separate reactor, Aeration tank, biological oxidation filter tank, secondary sedimentation tank, water purifying tank process.The eddy flow wall attachment effect that make use of in hydrodynamics that this method is creative, when the liquid generation eddying motion being in container, if apply in this vortex center position to reversely rotate power simultaneously, it is allowed to produce reverse vortex, barium ions in liquid can occur eddy flow wall attachment effect, gradually converge at the narrow zone between the positive vortex of internal anti-vortex and outside, localized ion concentration is caused to increase, now, introducing carbon dioxide gas makes it be dissolved in solution formation carbanion, barium ions can be combined with this carbanion, generate the barium salt precipitation of indissoluble, and float along the narrow zone between two strands of vortexs, ultimately form barium salt scum silica frost, so that the barium ions in solution is removed.
Description
Technical field
The present invention relates to the processing method of a kind of beneficiation wastewater, belong to the field of waste water treatment in environmental conservation.
Background technology
Mineral resources are the important substance bases of human social development and the development of the national economy, and mining industry is that China's history is the most long-drawn-out
Long industry, is again the basic industry of the national economic development simultaneously, relates to agricultural, light industry, chemical industry, metallurgy, machinery, builds
Build, the energy, traffic, national defence and multiple fields of people's daily life.Visible, China's expanding economy is played and can not replace by mining industry
The important function in generation.But, mine needs substantial amounts of industrial water in recovery process, gives off substantial amounts of waste water simultaneously, this
The indices such as a little heavy metal ions in wastewater concentration, solid suspension concentration and COD, all considerably beyond country
Discharge standard, this is just easy to ore dressing plant surrounding enviroment are caused tremendous influence.And, from the purification of domestic and international beneficiation wastewater
From the point of view of disposal status, processing beneficiation wastewater and be allowed to qualified discharge, not only treatment technology difficulty is big, and processing cost
The highest.Therefore, how effectively Beneficiation Wastewater, is China's mining industry important topic urgently to be resolved hurrily.
Various organic and Inorganic floatation medicine when main harmful substance is heavy metal ion, ore floatation in beneficiation wastewater
Agent, including hypertoxic cyanide, cyanogen chromium complex etc..Possibly together with various undissolved coarse grain and fine particle impurity in waste water.Choosing
Often possibly together with sulfate, chloride or the hydroxide of sodium, magnesium, calcium etc. in the waste water of ore deposit.Acid in beneficiation wastewater mainly contains
Sulfur mineral mixes with water through air oxidation and is formed.
In all multi-pollutants of beneficiation wastewater, heavy metal ion pollutant are very important, as copper, lead, zinc, chromium,
Hydrargyrum and arsenic plasma and the harm of compound thereof, be generally well known.Meanwhile, also a metal ion species may be neglected by people
Depending on, that is, barium ions.Although barium ions has the most serious harm unlike above-mentioned several high toxicity heavy metal ion
Property, but if being not added with administering and being allowed to be emitted in surface water body environment, barium ions can quickly enter nature food chain and follow
Ring, final or can be taken in by human body and absorb, the lighter causes nausea,vomiting,diarrhea, stomachache, it may happen that health time serious
, even there is aphasis in paralysis, face livid purple, cold extremities, muscular tremor, tic, lingualis and throat paralysis.
At present, for the beneficiation wastewater containing heavy metal ion, mainly there is following several processing method in China:
(1) neutralization precipitation method:
Neutralization precipitation method is the method for heavy metal ion comparative maturity in current treatment of acidic wastewater.The method can be by waste water
Valuable metal ions is precipitated out in the form of different next hydroxide of pH value condition, reaches the purpose reclaimed.Nertralizer
Main employing limestone or Calx, also have Some Enterprises to use alkaline waste liquor or waste residue (flyash, gangue, carbide slag, Calx
Slag etc.) neutralize acid waste water.The method has the advantages such as technology is simple, primary construction investment is relatively low, operation maintenance is convenient,
But that its shortcoming is treatment effect is not ideal enough, effluent index is unstable, use a large amount of nertralizer to easily cause secondary in processing procedure
Pollute.
(2) sulphide precipitation:
Sulfurization-precipitation method is to utilize vulcanizing agent the heavy metal ion in waste water to be converted into the insoluble or sulfide precipitation of indissoluble, so
The method that rear addition surfactant makes precipitate float.Sulphide precipitation metal removal rate is high, and the precipitation quantity of slag is less, precipitation
Metal in the dreg is of high grade, it is simple to the recycling in later stage, the heavy metal such as the arsenic of removal more difficult for neutralization precipitation method, hydrargyrum, lead from
Son, sulphide precipitation all can remove.But, vulcanizing agent price comparison is expensive so that the processing cost of the method is the highest, no
Suitable for large-scale promotion.
(3) absorption method:
The method removing dirty pollutant in water with solid absorbent, the absorption method that referred to as waste water processes.According to adsorbent type
Difference can be divided into material absorption method and biosorption process.Material absorption removes the heavy metal in waste water mainly by activated carbon
Ion, biological adsorption is then to utilize microorganism to remove heavy metal ion poisonous in waste water.Absorption method becomes because it processes material
This is low, removal effect good and is constantly subjected to the favor of people, but simultaneously, absorption method there is also long processing period, facility takes up an area face
Amass the shortcomings such as big, primary construction investment is higher.
(4) membrane separation technique:
All separation processes of membrane separation technique are all to utilize the difference of each constitutive property of mixture in certain environment to carry out point
From.The principle of membrance separation is: with selectivity through film as separating medium, in addition certain thrust in both sides, stock blend is optionally
Through film, thus reach the purpose of separating-purifying.Membrane separation technique has low consumption, the advantage such as efficient, easy to operate, in heavy metal
Field of waste water treatment gradually draws attention.But owing to during membrane module costliness, use, fouling membrane and flux decline, at present
The applied research of membrane separation technique currently mainly concentrates on experiment mechanism.
At present, in existing Beneficiation Wastewater generally there is disadvantages mentioned above in the method for barium ions.Therefore, it is necessary to break away from
Existing treatment technology thinking, hews out the new way processing baric beneficiation wastewater, and then develops the ore dressing of a kind of new type
The treatment technology of barium ions in waste water.
Summary of the invention
For solving the deficiencies in the prior art, the invention provides the processing method of a kind of beneficiation wastewater, containing barium
The beneficiation wastewater of ion enters sump, carries out centralized collection and preliminarily stabilised regulation at this, and the water outlet of sump enters thick lattice
Grid, remove the major diameter solid matter in waste water at this, and the water outlet of coarse rack enters primary sedimentation basin, remove useless further at this
Insoluble matter in water, the water outlet of primary sedimentation basin enters pH value regulating reservoir, and the pH value range of pH value regulating reservoir water outlet is about 6.0
~ 7.0, enter water pH value requirement with meet carbon dioxide vortex convection current scum silica frost separate reactor, the water outlet of pH value regulating reservoir enters
Carbon dioxide vortex convection current scum silica frost separate reactor, removes the barium ions in waste water, and carbon dioxide vortex convection current scum silica frost separates anti-
The water outlet answering device enters Aeration tank, is carried out COD remaining in waste water at preliminary oxidation decomposition by aerobic aeration process at this
Reason, the water outlet of Aeration tank enters biological oxidation filter tank, and the water outlet in biological oxidation filter tank enters secondary sedimentation tank, secondary sedimentation tank
Water outlet enters water purifying tank, and the outlet of water purifying tank 9 will be arranged outside the purification water outlet after native system processes by waste line.
Wherein, carbon dioxide vortex convection current scum silica frost separate reactor enclosure material is hard glass steel, on the left of reactor under
Portion is provided with inlet valve, and right upper portion is provided with water discharging valve, and reactor bottom has been mounted side by side 5 forward stirrer paddles, reaction
Device central authorities are provided with 1 hollow type carbon dioxide aeration reverse agitating function screw rod, hollow type carbon dioxide aeration reverse agitating function screw rod
Hollow space be connected to carbon dioxide storage tank by airway, on hollow type carbon dioxide aeration reverse agitating function screw rod shaft uniformly
Offer some inducing QI micropores, enable the gas within screw rod hollow space to enter in waste water with microvesicle form, and, hollow
The top of formula carbon dioxide aeration reverse agitating function screw rod is connected to 1 driving motor, hollow type carbon dioxide aeration reverse agitating function
Surrounding the 1 set unidirectional filter screen of pore outside screw rod, reactor head is also equipped with 1 set scum silica frost and attracts segregation apparatus, and its lower end is installed
Having 4 scum silica frost suction pipes, the mouth of pipe of scum silica frost suction pipe all stretches into below reactor liquid level, and scum silica frost attracts to be provided with waste residue on the right side of segregation apparatus
Row's mouth；After pH value regulation processes, the beneficiation wastewater containing barium ions of (after process, pH value is 6.0 ~ 7.0) is anti-by being positioned at
The inlet valve answering device left lower enters inside reactor, and now, 5 the forward stirrer paddles being positioned at reactor bottom start
Rotate forward, make waste water produce forward vortex at inside reactor, meanwhile, be positioned at the hollow type carbon dioxide of reactor central authorities
Aeration reverse agitating function screw rod starts to reversely rotate under the driving driving motor, thus applies in the center rotated forward
One reversely rotates power, is allowed to produce reverse vortex, and the barium ions in waste water can occur eddy flow wall attachment effect, gradually converges at
Narrow zone between internal anti-vortex and the positive vortex in outside, causes localized ion concentration to increase, now, carbon dioxide storage tank to
Hollow space transport of carbon dioxide gas in hollow type carbon dioxide aeration reverse agitating function screw rod, during carbon dioxide passes through
Some inducing QI micropores on empty formula carbon dioxide aeration reverse agitating function screw rod shaft, are dissolved in waste water with the form of gas microbubbles
And forming carbanion, barium ions can be combined with this carbanion, generates the barium salt precipitation of indissoluble, due to the unidirectional filter of pore
The existence of net so that barium salt precipitation cannot be diffused into the region outside filter screen, between barium salt precipitation is only along two strands of vortexs
Narrow zone floats, and ultimately forms barium salt scum silica frost, and is drawn into scum silica frost attraction segregation apparatus through scum silica frost suction pipe, through separating
To the Barium Residue attracted the waste residue row's mouth on the right side of segregation apparatus to discharge by being positioned at scum silica frost, recycled after recovery, meanwhile, warp
Cross the waste water after purified treatment, discharge reactor by being positioned at the water discharging valve of reactor right upper portion, and enter next process
Operation；Meanwhile, this barium salt scum silica frost can be after attracting to separate, recycling；Wherein, the effect of pH value regulating reservoir is by through one
The pH value of waste water of secondary precipitation regulates to 6.0 ~ 7.0, enters water pH value with meet carbon dioxide vortex convection current scum silica frost separate reactor
Requirement；Wherein, the effect of Aeration tank is to be carried out COD remaining in waste water at preliminary oxidation decomposition by aerobic aeration process
Reason；Wherein, the effect in biological oxidation filter tank is that the COD to waste water residual carries out last deep purifying process.
Wherein, the dischargeable capacity of carbon dioxide vortex convection current scum silica frost separate reactor is 245m3, its forward stirrer paddle
Running voltage is 380V, and rotating speed is 270 turns/min.
Wherein, the running voltage driving motor of carbon dioxide vortex convection current scum silica frost separate reactor is 380V, specified merit
Rate is 4.2kW, and rotating speed is 360 turns/min.
Wherein, the unidirectional filter screen of pore of carbon dioxide vortex convection current scum silica frost separate reactor uses 304 stainless steels, anti-
Tensile strength is 560MPa, and aperture is 0.8mm.
Waste water after being processed by native system, the removal efficiency of its barium ions is up to 99.3%.
It is an advantage of the current invention that:
(1) the treatment technology thinking of barium ions during the present invention has broken away from existing beneficiation wastewater, creative make use of fluid force
Eddy flow wall attachment effect in, makes baric waste water that eddying motion to occur in a reservoir, and applies reversely in this vortex center position
Rotary power, is allowed to produce reverse vortex, and the barium ions in waste water can occur eddy flow wall attachment effect, gradually converges at internal anti-whirlpool
Narrow zone between rotation and the positive vortex in outside, causes localized ion concentration to increase, and now, introducing carbon dioxide gas makes it molten
Solution forms carbanion in solution, and barium ions can be combined with this carbanion, generates the barium salt precipitation of indissoluble, and edge
Narrow zone between two strands of vortexs floats, and ultimately forms barium salt scum silica frost, thus reaches to remove the purpose of barium ions in waste water.
(2) during purified treatment baric waste water of the present invention, produced barium salt scum silica frost can enter through attracting lock out operation
Row extracts, and is finally available for recycling, thus without causing secondary pollution and can create certain economic benefit.
(3) present invention employs physical effect purely as purified treatment means, do not use any chemical agent, thus
Eliminate the risk introducing the bigger chemical pollutant of harm.
(4) the technology of the present invention route is advanced, it is possible to reaching preferable clean-up effect, operation expense is relatively low, is conducive to
Popularization and application on a large scale.
Accompanying drawing explanation
Fig. 1 is the equipment schematic diagram of the present invention.
In figure: 1-sump, 2-coarse rack, 3-primary sedimentation basin, 4-pH value regulating reservoir, 5-carbon dioxide vortex convection current are floated
Slag separate reactor, 6-Aeration tank, 7-biological oxidation filter tank, 8-secondary sedimentation tank, 9-water purifying tank
Fig. 2 is the schematic diagram of carbon dioxide vortex convection current scum silica frost separate reactor.
51-inlet valve, 52-forward stirrer paddle, 53-hollow type carbon dioxide aeration hollow type carbon dioxide aeration are anti-
Motor, 57-carbon dioxide storage tank, 58-scum silica frost is driven to inhale to agitating screw, the unidirectional filter screen of 54-pore, 55-scum silica frost suction pipe, 56-
Draw segregation apparatus, 59-waste residue row mouth, 510-water discharging valve.
Detailed description of the invention
As it is shown in figure 1, the processing method of barium in removal beneficiation wastewater, the beneficiation wastewater containing barium ions passes through waste line
Entering sump 1, carry out centralized collection and preliminarily stabilised regulation at this, the outlet of sump 1 connects thick lattice by waste line
Grid 2, remove the major diameter solid matter in waste water at this, and the outlet of coarse rack 2 connects primary sedimentation basin 3 by waste line,
Remove the insoluble matter in waste water further at this, the outlet of primary sedimentation basin 3 connects pH value regulating reservoir 4 by waste line,
Waste water carries out the accurate regulation of pH value at this, and the pH value range of pH value regulating reservoir 4 water outlet is 6.0 ~ 7.0, to meet carbon dioxide
Vortex convection current scum silica frost separate reactor 5 enter water pH value requirement, the outlet of pH value regulating reservoir 4 connects titanium dioxide by waste line
Carbon vortex convection current scum silica frost separate reactor 5, the outlet of carbon dioxide vortex convection current scum silica frost separate reactor 5 is by waste line even
Connect Aeration tank 6, by aerobic aeration process, COD remaining in waste water is carried out preliminary oxidation resolution process at this, Aeration tank 6
Export and connect biological oxidation filter tank 7 by waste line, at this, COD of waste water residual is carried out last deep purifying and process,
The outlet in biological oxidation filter tank 7 is by waste line connecting secondary sedimentation tank 8, at this by whole for the residue insoluble matter in waste water
Removing, the outlet of secondary sedimentation tank 8 connects water purifying tank 9 by waste line, and the outlet of water purifying tank 9 will be passed through by waste line
Arrange outside purification water outlet after native system process；Wherein, carbon dioxide vortex convection current scum silica frost separate reactor 5 enclosure material is hard
Fiberglass, reactor left lower is provided with inlet valve 51, and right upper portion is provided with water discharging valve 510, and reactor bottom is pacified side by side
Equipped with 5 forward stirrer paddles 52, reactor central authorities are provided with 1 hollow type carbon dioxide aeration reverse agitating function screw rod 53, in
The hollow space of empty formula carbon dioxide aeration reverse agitating function screw rod 53 is connected to carbon dioxide storage tank 57, hollow type two by airway
Uniformly offer some inducing QI micropores on carbonoxide aeration reverse agitating function screw rod 53 shaft, make the gas within screw rod hollow space
Can enter in waste water with microvesicle form, and, the top of hollow type carbon dioxide aeration reverse agitating function screw rod 53 is connected to 1
Drive motor 56, outside hollow type carbon dioxide aeration reverse agitating function screw rod 53, surround the 1 set unidirectional filter screen of pore 54, reactor top
Portion is also equipped with 1 set scum silica frost and attracts segregation apparatus 58, and its lower end is provided with 4 scum silica frost suction pipes 55, and the mouth of pipe of scum silica frost suction pipe 55 is equal
Stretching into below reactor liquid level, scum silica frost attracts to be provided with waste residue row's mouth 59 on the right side of segregation apparatus 58；(place after pH value regulation processes
After reason, pH value is 6.0 ~ 7.0) the beneficiation wastewater containing barium ions enter by being positioned at the inlet valve 51 of reactor left lower
Entering inside reactor, now, 5 the forward stirrer paddles 52 being positioned at reactor bottom start to rotate forward, and make waste water instead
Answering the internal forward vortex that produces of device, meanwhile, the hollow type carbon dioxide aeration reverse agitating function screw rod 53 being positioned at reactor central authorities is opened
Begin to reversely rotate under the driving driving motor 56, thus apply one in the center rotated forward and reversely rotate dynamic
Power, is allowed to produce reverse vortex, and the barium ions in waste water can occur eddy flow wall attachment effect, gradually converges at internal anti-vortex with outer
Narrow zone between the positive vortex in portion, causes localized ion concentration to increase, and now, carbon dioxide storage tank 57 is to hollow type titanium dioxide
Hollow space transport of carbon dioxide gas in carbon aeration reverse agitating function screw rod 53, carbon dioxide passes through hollow type titanium dioxide
Some inducing QI micropores on carbon aeration reverse agitating function screw rod 53 shaft, are dissolved in waste water with the form of gas microbubbles and form carbon
Acid ion, barium ions can be combined with this carbanion, generates the barium salt precipitation of indissoluble, due to depositing of the unidirectional filter screen of pore 54
So that barium salt precipitation cannot be diffused into the region outside filter screen, and barium salt precipitates only along the stenosis area between two strands of vortexs
Floating in territory, ultimately forms barium salt scum silica frost, and introduce into scum silica frost attraction segregation apparatus 58 through scum silica frost suction pipe suction 55, through isolated
The Barium Residue attracted the waste residue row's mouth 59 on the right side of segregation apparatus 58 to discharge by being positioned at scum silica frost, recycled after recovery, meanwhile,
Waste water after purified treatment, discharges reactor by being positioned at the water discharging valve 510 of reactor right upper portion, and enters next
Treatment process；Meanwhile, this barium salt scum silica frost can be after attracting to separate, recycling；Wherein, the effect of pH value regulating reservoir 4 be by
PH value of waste water through primary sedimentation regulates to 6.0 ~ 7.0, to meet entering of carbon dioxide vortex convection current scum silica frost separate reactor 5
Water pH value requirement；Wherein, the effect of Aeration tank 6 is, by aerobic aeration process, COD remaining in waste water is carried out preliminary oxidation
Resolution process；Wherein, the effect in biological oxidation filter tank 7 is that the COD to waste water residual carries out last deep purifying process.Its
In, the dischargeable capacity of carbon dioxide vortex convection current scum silica frost separate reactor 5 is 245m3, the work electricity of its forward stirrer paddle 52
Pressure is 380V, and rotating speed is 270 turns/min；Wherein, carbon dioxide vortex convection current scum silica frost separate reactor 5, it drives motor 56
Running voltage is 380V, and rated power is 4.2kW, and rotating speed is 360 turns/min；Wherein, carbon dioxide vortex convection current scum silica frost separates
Reactor 5, the unidirectional filter screen of its pore 54 uses 304 stainless steels, and tensile strength is 560MPa, and aperture is 0.8mm.
Waste water after being processed by native system, the removal efficiency of its barium ions is up to 99.3%.
Claims (6)
1. the processing method of a beneficiation wastewater, it is characterised in that the beneficiation wastewater containing barium ions enters sump, enters at this
Row centralized collection and preliminarily stabilised regulation, the water outlet of sump enters coarse rack, removes the major diameter solids in waste water at this
Matter, the water outlet of coarse rack enters primary sedimentation basin, removes the insoluble matter in waste water, the water outlet of primary sedimentation basin further at this
Entering pH value regulating reservoir, the pH value range of pH value regulating reservoir water outlet is about 6.0 ~ 7.0, to meet carbon dioxide vortex convection current scum silica frost
Separate reactor enter water pH value requirement, the water outlet of pH value regulating reservoir enters carbon dioxide vortex convection current scum silica frost separate reactor,
Removing the barium ions in waste water, the water outlet of carbon dioxide vortex convection current scum silica frost separate reactor enters Aeration tank, passes through at this
Oxygen aeration process carries out preliminary oxidation resolution process to COD remaining in waste water, and the water outlet of Aeration tank enters biological oxidation filter tank,
The water outlet in biological oxidation filter tank enters secondary sedimentation tank, and the water outlet of secondary sedimentation tank enters water purifying tank, and the outlet of water purifying tank 9 is passed through
Waste line will be arranged outside the purification water outlet after native system processes.
2. the processing method of a beneficiation wastewater, it is characterised in that under on the left of carbon dioxide vortex convection current scum silica frost separate reactor
Portion is provided with inlet valve, and right upper portion is provided with water discharging valve, and reactor bottom has been mounted side by side 5 forward stirrer paddles, reaction
Device central authorities are provided with 1 hollow type carbon dioxide aeration reverse agitating function screw rod, hollow type carbon dioxide aeration reverse agitating function screw rod
Hollow space be connected to carbon dioxide storage tank by airway, on hollow type carbon dioxide aeration reverse agitating function screw rod shaft uniformly
Offer some inducing QI micropores, enable the gas within screw rod hollow space to enter in waste water with microvesicle form, hollow type two
The top of carbonoxide aeration reverse agitating function screw rod is connected to 1 driving motor, hollow type carbon dioxide aeration reverse agitating function screw rod
Outside surrounds the 1 set unidirectional filter screen of pore, and reactor head is also equipped with 1 set scum silica frost and attracts segregation apparatus, and its lower end is provided with 4
Scum silica frost suction pipe, the mouth of pipe of scum silica frost suction pipe all stretches into below reactor liquid level, and scum silica frost attracts to be provided with waste residue row's mouth on the right side of segregation apparatus.
Processing method the most according to claim 1, it is characterised in that (after process, pH value is after pH value regulation processes
6.0 ~ 7.0) the beneficiation wastewater containing barium ions enters inside reactor by being positioned at the inlet valve of reactor left lower,
Now, 5 the forward stirrer paddles being positioned at reactor bottom start to rotate forward, and make waste water produce forward at inside reactor
Vortex, the hollow type carbon dioxide aeration reverse agitating function screw rod being simultaneously positioned at reactor central authorities starts under the driving driving motor
Reversely rotate, thus apply one in the center rotated forward and reversely rotate power, be allowed to produce reverse vortex, waste water
In barium ions eddy flow wall attachment effect can occur, gradually converge at the narrow zone between the positive vortex of internal anti-vortex and outside,
Localized ion concentration is caused to increase, now, during carbon dioxide storage tank is in hollow type carbon dioxide aeration reverse agitating function screw rod
Empty part transport of carbon dioxide gas, carbon dioxide is by hollow type carbon dioxide aeration reverse agitating function screw rod shaft
Some inducing QI micropores, are dissolved in waste water with the form of gas microbubbles and are formed carbanion, and barium ions can be with this carbonate
Ions binding, generates the barium salt precipitation of indissoluble, due to the existence of the unidirectional filter screen of pore so that barium salt precipitation cannot be diffused into filter screen
Outside region, barium salt precipitation floats only along the narrow zone between two strands of vortexs, ultimately forms barium salt scum silica frost, and through floating
Slag suction pipe is drawn into scum silica frost and attracts segregation apparatus, and the Barium Residue through isolated is attracted segregation apparatus right by being positioned at scum silica frost
Waste residue row's mouth of side is discharged, and is recycled, the waste water after purified treatment, by being positioned at reactor right upper portion after recovery
Water discharging valve discharge reactor, and enter next treatment process；This barium salt scum silica frost through attract separate after, recycling.
Processing method the most according to claim 1, it is characterised in that carbon dioxide vortex convection current scum silica frost separate reactor
Dischargeable capacity is 245m3, the running voltage of its forward stirrer paddle is 380V, and rotating speed is 270 turns/min.
Processing method the most according to claim 1, it is characterised in that carbon dioxide vortex convection current scum silica frost separate reactor,
The running voltage of its driving motor is 380V, and rated power is 4.2kW, and rotating speed is 360 turns/min.
Processing method the most according to claim 1, it is characterised in that the aperture of the unidirectional filter screen of pore is 0.8mm.
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| CN201811245193.1A CN109205949A (en) | 2016-08-16 | 2016-08-16 | A kind of processing method of beneficiation wastewater |
| CN201610671402.3A CN106082560B (en) | 2016-08-16 | 2016-08-16 | A kind of processing method of beneficiation wastewater |
| CN201811242512.3A CN109231695A (en) | 2016-08-16 | 2016-08-16 | A kind of processing method of beneficiation wastewater |
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| CN201811242512.3A Division CN109231695A (en) | 2016-08-16 | 2016-08-16 | A kind of processing method of beneficiation wastewater |
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Cited By (4)
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| CN108840440A (en) * | 2018-06-22 | 2018-11-20 | 衢州学院 | A kind of multistage-combination material filling type artificial swamp for sewage treatment |
| CN108940183A (en) * | 2018-08-07 | 2018-12-07 | 东北师范大学 | A method of magnetic adsorbent is prepared using water factory's ferrimanganic sludge as raw material |
| CN110157607A (en) * | 2019-06-03 | 2019-08-23 | 中国农业科学院农田灌溉研究所 | Soil microbial community characteristic reaction device and measurement device |
| CN113060814A (en) * | 2021-04-07 | 2021-07-02 | 南京硫研环保科技有限公司 | Method for removing and recovering phenol from high-concentration phenol-containing wastewater by precipitation method |
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| CN108940183A (en) * | 2018-08-07 | 2018-12-07 | 东北师范大学 | A method of magnetic adsorbent is prepared using water factory's ferrimanganic sludge as raw material |
| CN108940183B (en) * | 2018-08-07 | 2020-12-22 | 东北师范大学 | Method for preparing magnetic adsorbent by using waterworks ferro-manganese sludge as raw material |
| CN110157607A (en) * | 2019-06-03 | 2019-08-23 | 中国农业科学院农田灌溉研究所 | Soil microbial community characteristic reaction device and measurement device |
| CN113060814A (en) * | 2021-04-07 | 2021-07-02 | 南京硫研环保科技有限公司 | Method for removing and recovering phenol from high-concentration phenol-containing wastewater by precipitation method |
Also Published As
| Publication number | Publication date |
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| CN109205949A (en) | 2019-01-15 |
| CN106082560B (en) | 2018-12-18 |
| CN109231695A (en) | 2019-01-18 |
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