CN110510777A - A kind of mine water deeply fluorine removal system and method - Google Patents
A kind of mine water deeply fluorine removal system and method Download PDFInfo
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- CN110510777A CN110510777A CN201910837222.1A CN201910837222A CN110510777A CN 110510777 A CN110510777 A CN 110510777A CN 201910837222 A CN201910837222 A CN 201910837222A CN 110510777 A CN110510777 A CN 110510777A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/44—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
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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
- C02F1/44—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
- C02F1/52—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
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- 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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- 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)
Abstract
The present invention, which provides one kind, can strengthen defluorination effect, propose high yield water efficiency, reduce the mine water deeply fluorine removal system and method for added amount of chemical.A kind of mine water deeply fluorine removal system, including clarifying basin A, ultrafiltration apparatus, reverse osmosis unit, clarifying basin B, fluoride on-Line Monitor Device, main line and return line；Clarifying basin A, ultrafiltration apparatus and the reverse osmosis unit is sequentially communicated by main line, and the clarifying basin B is connected to reverse osmosis unit and ultrafiltration apparatus by return line, and the fluoride on-Line Monitor Device is set on return line.A kind of mine water deeply fluorine removal system integration coagulating sedimentation of the invention, chemical precipitation, reverse osmosis kinds of processes technical advantage reach depth defluorination effect, improve capacity of resisting impact load and overall operation stability.
Description
Technical field
The present invention relates to a kind of mine water treatment system and method, in particular to a kind of mine water deeply fluorine removal system and side
Method belongs to water-treatment technology field.
Background technique
The Areas For Coals mine water fluoride concentration such as China Inner Mongol, Shanxi, Shaanxi is generally higher, generally 2 ~ 10mg/
L.In areas of serious, receiving water body is limited for western China coal mine many places, and Part Coal Mine requires fluoride emission concentration
" water environment quality standard " (GB3838-2002) III class need to be reached and require (standard limited value 1mg/L).Currently, FLUORIDE REMOVAL IN WASTEWATER
Method mainly includes chemical precipitation method, coagulant sedimentation, absorption method, reverse osmosis, electrodialysis and ion-exchange.Chemical precipitation method
It produces water fluoride concentration and is generally only lowered to 8~10 mg/L.Coagulant sedimentation is more demanding to inlet flow-patterm, for high-fluorine water,
Coagulant charging quantity is excessively high.Absorption method treatment effeciency is limited, and adsorbent service life is short, and power of regeneration is poor.Reverse osmosis land occupation face
Product is small, and operational administrative is simple, high treating effect, high degree of automation, but high investment, and strong brine processing difficulty is big.Electrodialysis
Method energy consumption is high, and maintenance cost is high, and sustainability is poor.Ion-exchange is since selectivity of the exchanger to fluorine ion is low, fluorine removal
Effect is relatively limited.For mine water water quality characteristics, defluorination effect is improved, reduces operational administrative intensity, exploiting economy is reasonable
Process system is the critical issue that mine water fluoridation field needs to solve.
Therefore, how a kind of mine water deeply fluorine removal system and method is provided, to strengthen defluorination effect, proposes high yield water effect
Rate reduces added amount of chemical, and simplifying operational administrative is the current technical issues that need to address in this field.
Summary of the invention
The purpose of the present invention is to provide one kind can strengthen defluorination effect, proposes high yield water efficiency, reduces added amount of chemical
Mine water deeply fluorine removal system solves the problems, such as to propose in background above technology.
Another object of the present invention is to provide a kind of mine water deeply defluorination methods, are mitigating the same of operational administrative intensity
Shi Tigao treatment effect.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of mine water deeply fluorine removal system, including clarifying basin A, ultrafiltration apparatus, reverse osmosis unit, clarifying basin B, fluoride are online
Monitoring device, main line and return line；Clarifying basin A, ultrafiltration apparatus and the reverse osmosis unit is successively connected by main line
Logical, the clarifying basin B is connected to reverse osmosis unit and ultrafiltration apparatus, the fluoride on-Line Monitor Device by return line
On return line；The main line includes water inlet pipe A, outlet pipe A, ultrafiltration water producing pipe and reverse osmosis produced water pipe, water inlet
Pipe A is connected to clarifying basin A water inlet, and outlet pipe A is connected to clarifying basin A water outlet and ultrafiltration apparatus water inlet, the connection of ultrafiltration water producing pipe
Ultrafiltration apparatus water outlet and reverse osmosis unit water inlet, reverse osmosis produced water pipe are connected to reverse osmosis unit water outlet；The reflux
Pipeline includes ultrafiltration concentrated water pipe, reverse osmosis concentrated water pipe, bypass duct A, bypass duct B and outlet pipe B, and ultrafiltration concentrated water pipe is connected to ultrafiltration dress
Outflux and clarifying basin A reflux import are put back into, reverse osmosis concentrated water pipe is connected to reverse osmosis unit bypass outlet by bypass duct A and surpasses
Device reflux import is filtered, reverse osmosis concentrated water pipe is connected to reverse osmosis unit bypass outlet and clarifying basin B water inlet by bypass duct B,
Clarifying basin B water outlet is connected to ultrafiltration apparatus reflux import by outlet pipe B；It is respectively equipped on the bypass duct A and bypass duct B
Bypass valve A and bypass valve B.
Preferably, the clarifying basin A is equipped with chemical feed pipe A and sludge pipe A.
Preferably, the clarifying basin B is equipped with chemical feed pipe B, chemical feed pipe C and sludge pipe B.
A method of mine water deeply fluorine removal being carried out using the mine water deeply fluorine removal system, this method includes following
Step:
(1) open system makes high fluorine mine water flow into clarifying basin A by water inlet pipe A, by Al-based coagulant and polyacrylamide with water
Clarifying basin A is added in solution form, and adjustment dosage makes outlet pipe A delivery turbidity maintain 1 ~ 4NTU, and coagulation occurs in mine water
After precipitation reaction, supernatant enters ultrafiltration apparatus by outlet pipe A, and clarifying basin A is discharged in sediment；
(2) the production water of ultrafiltration apparatus enters reverse osmosis unit by ultrafiltration water producing pipe, and ultrafiltration concentrated water is flowed back by ultrafiltration concentrated water pipe
To clarifying basin A, the production water of reverse osmosis unit passes through reverse osmosis produced water pipe discharge system；
(3) when fluoride on-Line Monitor Device feeds back fluoride concentration < 15mg/L, bypass valve A is opened, closes bypass valve B,
So that reverse osmosis concentrated water is back to ultrafiltration apparatus by bypass duct A, continues step (2)；
(4) when fluoride on-Line Monitor Device feeds back fluoride concentration >=15mg/L, bypass valve A is closed, opens bypass valve B,
Reverse osmosis concentrated water is back to clarifying basin B by bypass duct B, and clarifying basin B is added in calcium chloride and Al-based coagulant as an aqueous solution,
The molar ratio control of the calcium chloride and fluorine ion that add 1.8 ~ 2.3, the control of Al-based coagulant dosage in 10 ~ 40mg/L, by
After clarifying basin B carries out chemical precipitation and flocculation reaction, supernatant is returned the reverse osmosis concentrated water that bypass duct B is flowed by outlet pipe B
It is flow to ultrafiltration apparatus, is continued step (2), clarifying basin B is discharged in sediment.
Preferably, the high fluorine mine water content of fluoride is 1 ~ 8mg/L, the water inlet in this interval range, through more
Secondary test proves that processing method of the present invention may be implemented to stablize fluorine removal.
The beneficial effects of the present invention are:
(1) a kind of mine water deeply fluorine removal system integration coagulating sedimentation of the invention, chemical precipitation, reverse osmosis kinds of processes technology
Advantage reaches depth defluorination effect, improves capacity of resisting impact load and overall operation stability.
(2) present invention can shorten the reaction time, reduce precipitating added amount of chemical, high degree of automation, simplified operation pipe
Reason.
(3) present invention can effectively improve water-yielding capacity, solve reverse osmosis concentrated water fluoride and handle problem.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is system structure diagram of the invention；
In figure: 1, clarifying basin A, 11, water inlet pipe A, 12, outlet pipe A, 13, chemical feed pipe A, 14, sludge pipe A, 2, ultrafiltration apparatus, 21,
Ultrafiltration water producing pipe, 22, ultrafiltration concentrated water pipe, 3, reverse osmosis unit, 31, reverse osmosis produced water pipe, 32, reverse osmosis concentrated water pipe, 321, branch
Road pipe A, 322, bypass duct B, 323, bypass valve A, 324, bypass valve B, 4, clarifying basin B, 41, outlet pipe B, 42, chemical feed pipe B, 43,
Chemical feed pipe C, 44, sludge pipe B, 5, fluoride on-line monitoring.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention will be further explained in detail.It answers
Work as understanding, implementation of the invention is not limited by the following examples, the accommodation in any form done to the present invention and/or
Change falls within the scope of the present invention.
In the present invention, if not refering in particular to, all parts, percentage are unit of weight, used equipment and raw material etc.
It is commercially available or commonly used in the art.Method in following embodiments is unless otherwise instructed the normal of this field
Rule method.Component or equipment in following embodiments are that universal standard part or those skilled in the art know unless otherwise instructed
The component of dawn, structure and principle are all that this technology personnel can be learnt by technical manual or be obtained by routine experiment method
Know.
Embodiment:
A kind of mine water deeply fluorine removal system as shown in Figure 1, including it is clarifying basin A 1, ultrafiltration apparatus 2, reverse osmosis unit 3, clear
Clear pond B 4, fluoride on-Line Monitor Device 5, main line and return line.Clarifying basin A, ultrafiltration apparatus and reverse osmosis unit pass through
Main line is sequentially communicated, and clarifying basin B is connected to reverse osmosis unit and ultrafiltration apparatus, fluoride on-Line Monitor Device by return line
On return line.Clarifying basin A is equipped with chemical feed pipe A 13 and sludge pipe A 14, and clarifying basin B is equipped with chemical feed pipe B 42, adds
Pencil C 43 and sludge pipe B 44.
Main line includes water inlet pipe A 11, outlet pipe A 12, ultrafiltration water producing pipe 21 and reverse osmosis produced water pipe 31, water inlet pipe A
It is connected to clarifying basin A water inlet, outlet pipe A is connected to clarifying basin A water outlet and ultrafiltration apparatus water inlet, and ultrafiltration water producing pipe is connected to ultrafiltration
Device water outlet and reverse osmosis unit water inlet, reverse osmosis produced water pipe are connected to reverse osmosis unit water outlet.
Return line includes ultrafiltration concentrated water pipe 22, reverse osmosis concentrated water pipe 32, bypass duct A 321, bypass duct B 322 and water outlet
Pipe B 41, ultrafiltration concentrated water pipe are connected to ultrafiltration apparatus bypass outlet and clarifying basin A reflux import, and reverse osmosis concentrated water pipe passes through bypass duct
A is connected to reverse osmosis unit bypass outlet and ultrafiltration apparatus reflux import, and reverse osmosis concentrated water pipe is connected to reverse osmosis dress by bypass duct B
Outflux and clarifying basin B water inlet are put back into, clarifying basin B water outlet is connected to ultrafiltration apparatus reflux import by outlet pipe B.Bypass duct
Bypass valve A 323 and bypass valve B 324 are respectively equipped on A and bypass duct B.
A method of mine water deeply fluorine removal, specific steps are carried out using above-described mine water deeply fluorine removal system
It is as follows:
(1) open system makes high fluorine mine water flow into clarifying basin A by water inlet pipe A, by Al-based coagulant and polyacrylamide with water
Clarifying basin A is added in solution form, and adjustment dosage makes outlet pipe A delivery turbidity maintain 1.23 ~ 3.36NTU, sends out in mine water
After raw coagulating sedimentation reaction, supernatant enters ultrafiltration apparatus by outlet pipe A, and clarifying basin A is discharged by sludge pipe A in sediment；
(2) the production water of ultrafiltration apparatus enters reverse osmosis unit by ultrafiltration water producing pipe, and ultrafiltration concentrated water is flowed back by ultrafiltration concentrated water pipe
To clarifying basin A, the production water of reverse osmosis unit passes through reverse osmosis produced water pipe discharge system；
(3) when fluoride on-Line Monitor Device feeds back fluoride concentration < 15mg/L, bypass valve A is opened, closes bypass valve B,
So that reverse osmosis concentrated water is back to ultrafiltration apparatus by bypass duct A, continues step (2)；
(4) when fluoride on-Line Monitor Device feeds back fluoride concentration >=15mg/L, bypass valve A is closed, opens bypass valve B,
Reverse osmosis concentrated water is back to clarifying basin B by bypass duct B, and clarifying basin B is added in calcium chloride and Al-based coagulant as an aqueous solution,
1.87 ~ 2.06, Al-based coagulant dosage is controlled in 10 ~ 15mg/L for the molar ratio control of the calcium chloride and fluorine ion that add,
For the reverse osmosis concentrated water flowed by bypass duct B after clarifying basin B carries out chemical precipitation and flocculation reaction, supernatant passes through outlet pipe B
It is back to ultrafiltration apparatus, is continued step (2), clarifying basin B is discharged by sludge pipe B in sediment.
It is 2.5m in processing water3/ h, in try out water be Shaanxi Technique of Coal Mine Drainage, system and side using the present embodiment
Method, 16 days water monitoring datas of continuous operation are as shown in table 1, reverse osmosis rate of recovery rate be 74.3% ~ 76.1%, adding of agent at
This is 0.28 yuan/ton of water.
Water monitoring data in table 1 between trial run period
| Water quality indicator | System water inlet | System water outlet |
| Fluoride/(mgL-1) | 2.5~3.3 | 0.08~0.31 |
| Turbidity/NTU | 343~531 | 0.03~0.17 |
Above-mentioned embodiment is only a preferred solution of the present invention, limit in any form not is made to the present invention
System, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (5)
1. a kind of mine water deeply fluorine removal system, it is characterised in that: the mine water deeply fluorine removal system includes clarifying basin A, ultrafiltration
Device, reverse osmosis unit, clarifying basin B, fluoride on-Line Monitor Device, main line and return line；It is the clarifying basin A, super
Filter device and reverse osmosis unit are sequentially communicated by main line, and the clarifying basin B is connected to reverse osmosis unit by return line
And ultrafiltration apparatus, the fluoride on-Line Monitor Device are set on return line；The main line includes water inlet pipe A, goes out
Water pipe A, ultrafiltration water producing pipe and reverse osmosis produced water pipe, water inlet pipe A are connected to clarifying basin A water inlet, and outlet pipe A connection clarifying basin A goes out
The mouth of a river and ultrafiltration apparatus water inlet, ultrafiltration water producing pipe is connected to ultrafiltration apparatus water outlet and reverse osmosis unit water inlet, reverse osmosis produced
Water pipe is connected to reverse osmosis unit water outlet；The return line includes ultrafiltration concentrated water pipe, reverse osmosis concentrated water pipe, bypass duct A, branch
Road pipe B and outlet pipe B, ultrafiltration concentrated water pipe are connected to ultrafiltration apparatus bypass outlet and clarifying basin A reflux import, and reverse osmosis concentrated water pipe is logical
Bypass duct A connection reverse osmosis unit bypass outlet and ultrafiltration apparatus reflux import are crossed, reverse osmosis concentrated water pipe is connected to by bypass duct B
Reverse osmosis unit bypass outlet and clarifying basin B water inlet, clarifying basin B water outlet are connected to ultrafiltration apparatus by outlet pipe B and flow back into
Mouthful；Bypass valve A and bypass valve B are respectively equipped on the bypass duct A and bypass duct B.
2. a kind of mine water deeply fluorine removal system according to claim 1, it is characterised in that: set on the clarifying basin A
There are chemical feed pipe A and sludge pipe A.
3. a kind of mine water deeply fluorine removal system according to claim 1, it is characterised in that: set on the clarifying basin B
There are chemical feed pipe B, chemical feed pipe C and sludge pipe B.
4. a kind of method that mine water deeply fluorine removal is carried out using any mine water deeply fluorine removal system of claim 1-3,
It is characterized by: this approach includes the following steps,
(1) open system makes high fluorine mine water flow into clarifying basin A by water inlet pipe A, by Al-based coagulant and polyacrylamide with water
Clarifying basin A is added in solution form, and adjustment dosage makes outlet pipe A delivery turbidity maintain 1 ~ 4NTU, and coagulation occurs in mine water
After precipitation reaction, supernatant enters ultrafiltration apparatus by outlet pipe A, and clarifying basin A is discharged in sediment；
(2) the production water of ultrafiltration apparatus enters reverse osmosis unit by ultrafiltration water producing pipe, and ultrafiltration concentrated water is flowed back by ultrafiltration concentrated water pipe
To clarifying basin A, the production water of reverse osmosis unit passes through reverse osmosis produced water pipe discharge system；
(3) when fluoride on-Line Monitor Device feeds back fluoride concentration < 15mg/L, bypass valve A is opened, closes bypass valve B,
So that reverse osmosis concentrated water is back to ultrafiltration apparatus by bypass duct A, continues step (2)；
(4) when fluoride on-Line Monitor Device feeds back fluoride concentration >=15mg/L, bypass valve A is closed, opens bypass valve B,
Reverse osmosis concentrated water is back to clarifying basin B by bypass duct B, and clarifying basin B is added in calcium chloride and Al-based coagulant as an aqueous solution,
The molar ratio control of the calcium chloride and fluorine ion that add 1.8 ~ 2.3, the control of Al-based coagulant dosage in 10 ~ 40mg/L, by
After clarifying basin B carries out chemical precipitation and flocculation reaction, supernatant is returned the reverse osmosis concentrated water that bypass duct B is flowed by outlet pipe B
It is flow to ultrafiltration apparatus, is continued step (2), clarifying basin B is discharged in sediment.
5. according to the method described in claim 4, it is characterized by: the content of fluoride of the high fluorine mine water is 2 ~ 8mg/
L。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910837222.1A CN110510777A (en) | 2019-09-05 | 2019-09-05 | A kind of mine water deeply fluorine removal system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910837222.1A CN110510777A (en) | 2019-09-05 | 2019-09-05 | A kind of mine water deeply fluorine removal system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111302468A (en) * | 2020-01-20 | 2020-06-19 | 中国矿业大学(北京) | Method and device for reducing fluorine from source to tail end |
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| CN102674591A (en) * | 2012-05-21 | 2012-09-19 | 杭州美亚水处理科技有限公司 | Method and device for making drinking water by coal mine water |
| CN104291486A (en) * | 2014-09-30 | 2015-01-21 | 深圳能源资源综合开发有限公司 | High-power reuse technology for coal chemical industry strong brine and special equipment of high-power reuse technology |
| CN205933453U (en) * | 2016-07-13 | 2017-02-08 | 北京桑德环境工程有限公司 | High recovery pit water recycling system |
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2019
- 2019-09-05 CN CN201910837222.1A patent/CN110510777A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009107332A1 (en) * | 2008-02-29 | 2009-09-03 | 三洋電機株式会社 | Wastewater treatment apparatus and method of wastewater treatment |
| CN102674591A (en) * | 2012-05-21 | 2012-09-19 | 杭州美亚水处理科技有限公司 | Method and device for making drinking water by coal mine water |
| CN104291486A (en) * | 2014-09-30 | 2015-01-21 | 深圳能源资源综合开发有限公司 | High-power reuse technology for coal chemical industry strong brine and special equipment of high-power reuse technology |
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| CN111302468A (en) * | 2020-01-20 | 2020-06-19 | 中国矿业大学(北京) | Method and device for reducing fluorine from source to tail end |
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