CN108975443A - A kind of fluorine ion processing unit for fluorine containing mine waste water - Google Patents
A kind of fluorine ion processing unit for fluorine containing mine waste water Download PDFInfo
- Publication number
- CN108975443A CN108975443A CN201810955337.6A CN201810955337A CN108975443A CN 108975443 A CN108975443 A CN 108975443A CN 201810955337 A CN201810955337 A CN 201810955337A CN 108975443 A CN108975443 A CN 108975443A
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- China
- Prior art keywords
- fluorine
- waste water
- strainer
- processing unit
- filter plate
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Classifications
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a kind of fluorine ion processing units for fluorine containing mine waste water, including water inlet, water outlet and strainer, one layer of metal filter plate is disposed with above the strainer, the metal filter plate is connect with telescopic rod, telescopic rod is connected to motor, motor operating makes telescopic rod that metal filter plate and strainer be driven to move up and down, to realize filter sewage and compression sludge.Fluoride waste fluorine ion processing unit structure of the present invention is simple, and clear water discharge and sewage treatment are very convenient, handles the high-efficient of fluorine ion, can be realized continuous operation.
Description
Technical field
The present invention relates to mine wastewater process fields, and in particular to a kind of fluorine ion processing dress for fluorine containing mine waste water
It sets.
Background technique
Many production processes in mining production require to use water, wherein it is most with mining, mill water, it adopts, select
Water can be caused seriously to pollute in production process, form mine wastewater.Mine water pollution, which refers to, contains various pollutants and toxic
The mining industry waste water and sanitary sewage of substance change its normal composition after being discharged into water body, have been more than the self-purification capacity of water, thus
The phenomenon that deteriorating water body, destroying water body original purposes.The type of mine water pollution object includes acid water pollution, heavy metal-polluted
Dye and nutrition accumulation pollution, these pollutant direct emissions can cause the damage for being difficult to retrieve, therefore, mine to ecology and human body
The improvement of waste water is most important.
Currently, often discharging fluoride waste during metal classification mining, environmental pollution is caused.Fluorine is a kind of
Plasm poisonous substance has easily through the cell wall of various tissues in conjunction with plasm and destroys plasmic effect.Zoopery table
Bright, fluorine can inhibit the activity of the enzymes such as lipase, sclerotin phosphatase and urease, cause metabolism disorder.Fluorine can also make first
Gland compensatory hypertrophy by shape, interferes the alcium and phosphor metabolization of bone.A large amount of fluorine can be such that the Reno-colic fistula of experimental animal changes, and reduce renal tubule
Function.For the human body, but damage of the fluorine to kidney is not obvious.Fluorine poisoning causes osteosclerosis, ligament, joint capsule calcification, canalis spinalis
And after intervertebral foramen narrows, spinal cord and nerve roots can be oppressed and lead to paralysis, paralysis.Experiment fluorine poisoning can damage cardiac muscle, make cell line
Plastochondria fracture and myofibrillar degeneration.Fluorine may also suppress endocrine effect, generate bad shadow to gonad, adrenal gland and pancreas
It rings.According to another report, it contaminates through air fluorine, the aberration rate of rat bone marrow cell chromosome will increase.Chromosome aberration is related to heredity
Gene, thus cause widely to pay attention to.Therefore, harm of the control excessive fluoride to human health, the discharge amount of strict control fluorine.
Chinese " Design of Industrial Enterprises sanitary standard " provides that residential area Fluoride in Air (being scaled fluorine) momentary maximum allowable concentration is
0.02 milli grams m, daily average maximum allowable concentration are 0.007 milli grams m.Surface water fluorine (inorganic compound) maximum permissible concentration
For 1.0 mg/litres.Fluoride maximum permissible concentration is 1.0 mg/litres in Drinking Water, and suitable concentration is 0.5~1.0 milli
Grams per liter.
In the prior art, the main methods of fluoride waste include: (1) calcium fluoride precipitate method: calcium salt precipitation method is extensive
For fluorine removal.Calcium salt is added in fluoride waste, is allowed to generate slightly solubility calcium fluoride precipitate.This method is suitable for handling fluorine-containing high
Waste water, treated, and fluorinated volume can be down to 12~13 mg/litres, and in addition calcium fluoride precipitate can also reprocess recycling.(2) cohesion is heavy
Shallow lake method: this method is not required to special installation, and expense is lower, but takes up a large area, and is not easy to operate continuously and carry out automation.Actually answering
Alum is commonly used in remove the fluorine in drinking water, but the dosage of alum is very big;Polyacrylamide is a kind of ideal flocculating agent,
Sinking speed can be made to accelerate, solid-liquid separation effect significantly improves, and body refuse amount is few, but medicament price is higher.Beijing non-ferrous metal
Research institute's lime adds ferrous sulfate and polyacrylamide to handle fluoride waste, and residual fluorine can be made to drop to 10 mg/litres or less.
(3) activated bauxite absorption method: activated bauxite has very strong adsorption capacity, can drop fluorinated volume after it is handled.
Therefore, for the applicability of above-mentioned treatment process, be difficult to realize automation and continuity operation and reagent cost
It is high and easily cause secondary pollution problem, develop that a kind of simple process economy, applicability is high, treatment effeciency is high, secondary pollution is small, dirty
The fluorine ion processing method that mud recycles convenient fluorine containing mine waste water is of great significance.
Summary of the invention
It is an object of the invention to: there is no the processing units specifically for the setting of fluorine ion waste water in the prior art, and
It is not provided with moveable strainer, cannot achieve the filtering of wastewater efficient rate and the appropriate compression of mud cake, therefore, is deposited for above-mentioned
The problem of, the present invention provides a kind of fluorine ion processing unit for fluorine containing mine waste water, so that it is fluorine-containing useless to improve mine
Treatment effeciency, sludge recovery efficiency and the applicability of water fluorine ion.
The technical solution adopted by the invention is as follows:
Fluorine ion processing unit for fluorine containing mine waste water of the invention, including water inlet, water outlet and strainer, the strainer
It is disposed with one layer of metal filter plate above, the metal filter plate is connect with telescopic rod, and telescopic rod is connected to motor, and motor operating makes to stretch
Contracting bar drives metal filter plate and strainer to move up and down, and realizes filter sewage and compression sludge while stirring makes to react uniform.Gold
Belonging to filter plate, there is high-intensitive and high rigidity, surface can be realized the connection with telescopic rod, and will not damage in operation process；Strainer
It is the strainer including active carbon filter screen or fiber-like using common strainer used in filter sewage.
Further, the metal filter plate and filter cloth side are equipped with ball, and ball is contacted with metope, is realized by ball
Metal filter plate and strainer moving up and down in metope.
Further, the metal filter plate is fixedly connected with filter cloth side by fixed block.The setting of fixed block can be square
Just the replacement of strainer, while ball can be fixed on metope.
Further, the fixed block is the structure of intermediate fluting, and metal filter plate and strainer are connected in the slot of fixed block.
Further, the ball is fixed on the other side of fixed block slot.
Further, the bottom of the processing unit is detachable, and bottom is provided with fluorine ion waste water remover, and bottom is removable
Unload the replacement convenient for collection and the fluoride ion removing agent of sludge after the completion of processing.
Further, the bottom is flexibly connected by buckle with middle part in processing unit.Device is convenient in the setting of buckle
Bottom is removed, convenient for handling the sludge of bottom.
Further, the water recovery port is trapezium structure, and entrance is provided with strainer, strainer and above-mentioned filter herein
Net is consistent, and trapezium structure outlet is wide, and convenient for water filtering outflow, strainer is arranged close to device, avoids outlet obstruction.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, fluorine ion processing unit structure of the invention is simple, and setting is ingenious, can be realized and quickly handles mine fluoride ion
Waste water；
2, metal filter plate and strainer, which are movably arranged, pollution sediment discharge is isolated by the waste water handled well in time, improved
Treatment effeciency；
3, bottom, which is removably arranged, facilitates sludge to be recycled, and protects environment.
Detailed description of the invention
Fig. 1 is fluoride wastewater treatment flow chart of the present invention.
Fig. 2 is the structural schematic diagram of sedimentation basin of the present invention.
Marked in the figure: 1- water inlet, 2- water outlet, 3- water recovery port, 4- buckle, 5- motor, 6- telescopic rod, the filter of 7- metal
Plate, 8- strainer, 9- fixed block, 10- ball, 11- strainer.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In the prior art be usually using the methods of calcium fluoride precipitate method, coagulating sedimentation, activated bauxite absorption method come
Fluorine-containing waste water is handled, in these methods, the concentration adaptability of fluoride waste is not strong, and is difficult to realize continuity operation.For this purpose,
The present invention provides a kind of processing methods specifically for fluorine containing mine waste water fluorine ion, specifically include fluorine in fluorine containing mine waste water
The processing method of ion, fluoride ion removing agent and preparation method thereof.
The processing step of fluorine containing mine waste water refers to the flow chart of Fig. 1, and waste water arrival sedimentation basin carries out fluorine and handles, handles
After clear water be discharged, sludge is carried out dehydrating, and operating procedure is simple and convenient, high treating effect.In conjunction with Fig. 2, handle fluorine-containing
The concrete operations of waste water the following steps are included:
Step 1, fluoride waste enter sedimentation basin by water inlet 1, and fluoride ion removing agent equably spreads over sedimentation basin bottom of pond,
30 ~ 60min is waited, fluoride ion removing agent is made to come into full contact with the fluorine ion absorbed in waste water；
Step 2, driving motor shrink telescopic rod 6, and telescopic rod 6 is fixedly connected with metal filter plate 7, metal filter plate 7 and filter
Net 8 drives ball 10 to roll, and moves down compression precipitating bottom of pond portion, and the clear water handled well is by strainer 8 and metal filter plate from out
The mouth of a river 2 is discharged；
Step 3, base sludge dehydration: after the completion of fluoride wastewater treatment, opening water recovery port 3, keeps the sewage for precipitating bottom of pond portion logical
Filter screen 11 recycles, and opens buckle 4 and removes precipitating bottom of pond portion, compress sludge, recycles filters pressing water.Fluorine removal is gone in fluoride ion removing agent
Significant effect, high-efficient, usage amount is few, fluoride ion removing agent that no replacement is required when being handled.
Since present agricultural wastes include eggshell etc., yield is big, from a wealth of sources, and arbitrarily discarding will also result in one to environment
Fixed pollution and the wasting of resources, therefore it is the primary raw material of fluoride ion removing agent that eggshell is selected in the present embodiment.In step 1
The primary raw material of fluoride ion removing agent, according to quality proportioning, comprising: the pulverized particles of 70 ~ 80% discarded eggshell, 20 ~ 30%
Aluminum sulfate solid, 0.05 ~ 0.2% PAM.Configuration step: discarded eggshell is ground into graininess, the screening grain of egg shell particle
Diameter is 0.5 ~ 2mm, adds water submerged egg shell particle, and aluminum sulfate solid is added, stirs evenly 20 ~ 40min under the conditions of 50 ~ 70 DEG C；
PAM is added, stands 10 ~ 20min after mixing evenly, prepares and completes, is stored after detection is qualified spare.
In the above-described embodiments, the main component of eggshell is calcium carbonate, and generally has a tunic, referred to as shell membrane in eggshell,
Shell membrane is the fiber plasma membrane being wrapped in except albumen, is the organic fiber net being made of tough and tensile keratin.Carbon in eggshell
Sour calcium for fluorine have certain adsorptivity, can and fluorine effect generate calcium fluoride precipitate, most fluorine ion will in eggshell
Calcium carbonate effect precipitate.Simultaneously as having gap, shell membrane web, aluminum sulfate and PAM solution between egg shell particle
Full of between egg shell particle gap, shell membrane web and PAM net are entangled to each other, form the absorption reticular structure for being directed to fluorine ion,
Cooperate aluminum sulfate solution again, make to form an adsorption space between egg shell particle, continues absorption and depositional remanent fluorine ion, and
Be adhered on calcium fluoride precipitate, form bulk sludge, the absorption system of three can either abundant adsorption cleaning fluorine ion, and can be right
Other pollutants of waste water generate certain filtration, purification effect.
When using fluoride ion removing agent, opens buckle 4 and remove precipitating bottom of pond portion, configured fluoride ion removing agent is laid in bottom
Portion, dosage 500g/L, waste water is discharged into and is handled.The content of fluorine in wastewater after processing be 0.5~1.0 milligram/
It rises, has reached wastewater discharge standard.
Further, calcium carbonate, aluminum sulfate and PAM production fluoride ion removing agent is selected to try as the control of the present embodiment
It tests, using the fluoride waste of same concentrations, fluoride ion removing agent dosage is 500g/L.The fluoride ion removing made of calcium carbonate
Agent is in suspension system, and calcium carbonate and fluorine ion effect generate calcium fluoride precipitate, due to the presence of not no shell membrane, subsequent only sulphur
Sour aluminium and PAM are simply mixed, and the amount that sampling and measuring goes out fluorine ion at this time reduces unobvious.It precipitates, handles completely to sludge
After the completion, the content of measurement treated fluorine in wastewater is 1.5 ~ 2.0 mg/litres.Due to fluorine ion dirt Micro fluoride ion
Environment and human body will be brought with irreversible injury, therefore should using egg shell particle production fluoride ion removing agent ratio in the present invention
The obvious processing effect of check experiment.
Principle and implementation of the present invention are described for specific embodiment used herein, above embodiments
Explanation be merely used to help understand method and its core concept of the invention.It should be pointed out that for the common of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for technical staff, these
Improvement and modification are also fallen within the protection scope of the claims of the present invention.
Claims (8)
1. a kind of fluorine ion processing unit for fluorine containing mine waste water, including water inlet (1), water outlet (2) and strainer (8),
It is characterized by: the strainer (8) is disposed with one layer of metal filter plate (7) above, the metal filter plate is connect with telescopic rod (6),
Telescopic rod (6) is connect with motor (5), and motor (5) operating makes telescopic rod that metal filter plate and strainer (8) be driven to move up and down, thus
Realize filter sewage and compression sludge.
2. the fluorine ion processing unit according to claim 1 for fluorine containing mine waste water, which is characterized in that the metal
Filter plate and strainer (8) side are equipped with ball (10), and ball is contacted with metope, realize metal filter plate and strainer (8) by ball
In moving up and down for metope.
3. the fluorine ion processing unit according to claim 1 for fluorine containing mine waste water, which is characterized in that the metal
Filter plate is fixedly connected with strainer (8) side by fixed block (9).
4. the fluorine ion processing unit according to claim 3 for fluorine containing mine waste water, which is characterized in that the fixation
Block (9) is the structure of intermediate fluting, and metal filter plate and strainer (8) are connected in the slot of fixed block (9).
5. being used for the fluorine ion processing unit of fluorine containing mine waste water according to one of claim 2-4, which is characterized in that institute
State the other side that ball is fixed on fixed block (9) slot.
6. the fluorine ion processing unit according to claim 1 for fluorine containing mine waste water, which is characterized in that the processing
The bottom of device is detachable, and bottom is provided with fluorine ion waste water remover.
7. the fluorine ion processing unit according to claim 6 for fluorine containing mine waste water, which is characterized in that the bottom
It is flexibly connected by buckle (4) with middle part in processing unit.
8. the fluorine ion processing unit according to claim 1 for fluorine containing mine waste water, which is characterized in that the water returns
(3) are closed up as trapezium structure, and entrance is provided with strainer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955337.6A CN108975443A (en) | 2018-08-21 | 2018-08-21 | A kind of fluorine ion processing unit for fluorine containing mine waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955337.6A CN108975443A (en) | 2018-08-21 | 2018-08-21 | A kind of fluorine ion processing unit for fluorine containing mine waste water |
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| Publication Number | Publication Date |
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| CN108975443A true CN108975443A (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810955337.6A Withdrawn CN108975443A (en) | 2018-08-21 | 2018-08-21 | A kind of fluorine ion processing unit for fluorine containing mine waste water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018209A (en) * | 2020-01-09 | 2020-04-17 | 湖南沃工环境科技有限公司 | High-efficiency sewage treatment method |
| CN112624431A (en) * | 2020-12-31 | 2021-04-09 | 安瑞森(宁夏)电子材料有限公司 | Hydrofluoric acid purification wastewater treatment device and technology |
-
2018
- 2018-08-21 CN CN201810955337.6A patent/CN108975443A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018209A (en) * | 2020-01-09 | 2020-04-17 | 湖南沃工环境科技有限公司 | High-efficiency sewage treatment method |
| CN112624431A (en) * | 2020-12-31 | 2021-04-09 | 安瑞森(宁夏)电子材料有限公司 | Hydrofluoric acid purification wastewater treatment device and technology |
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Application publication date: 20181211 |