CN108706820A - A kind of combined soil ground water circulation processing unit - Google Patents
A kind of combined soil ground water circulation processing unit Download PDFInfo
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- CN108706820A CN108706820A CN201810527100.8A CN201810527100A CN108706820A CN 108706820 A CN108706820 A CN 108706820A CN 201810527100 A CN201810527100 A CN 201810527100A CN 108706820 A CN108706820 A CN 108706820A
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- water
- underground water
- underground
- processing unit
- circulation processing
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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
- 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
- C02F1/001—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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic 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
- C02F2103/06—Contaminated groundwater or leachate
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Abstract
The present invention relates to a kind of combined soil ground water circulation processing units, suitable for high osmosis, pump-and-treat-re-injection ground water circulation workplace of high aquifer formation soil pollution underground water.Polluted underground water, for high osmosis, the contaminated soil of High water cut, is drawn to ground water treatment system by the device by the way of drawing water, water process and groundwater recharge are combined, through handle it is up to standard after, under the effect of gravity through being back to reinjection well.Meanwhile the re-injection process of underground water, the underground water in phreatic aquifer is fed in time, is also avoided that the hazardous accidents such as surface subsidence occur.In addition, remain in aeration zone be not easy extracted capillary water also due to the supply of reinjected water and be leached or extract out, further enhance underground water and the repairing effect in water-bearing layer, keep repairing effect more thorough.
Description
Technical field
The invention belongs to the soil and groundwater remediation technologies in environmental project construction field, and in particular to a kind of processing is hypertonic
The combined-circulation prosthetic device of permeability High water cut soil underground pollution water.
Background technology
Since second industrial revolution, the mankind's activity of electric era exacerbates environmental degradation and damages, and for a long time with
The improper processing of the industrial activity and " three wastes " that come directly results in the soil and underground water pollution of getting worse.Underground water is dirty
Dye place is mostly in multiple/composite pollution state, and its concealment, delay and is difficult to Reversibility feature and causes its reparation
Period is long, costly, difficulty is big.
Japan begins to make laws to soil remediation in the 1980s, is the state that early start payes attention to soil remediation
Family；And the domestic treatment technology for soil underground pollution water lacks related engineering practice experience also in the initial stage of exploration.Mesh
Before, groundwater treatment technology mainly has air-blowing technology, Pump-and-Treat technology, enhancement microbiological recovery technique, ground water circulation well
Technology, horizontal permeable reactive barrier technology etc..Wherein, Pump-and-Treat technology is a kind of underground water of domestic development relative maturity
Recovery technique, because its is at low cost, repairing efficiency is short, technical difficulty is low, the advantages that easy to operate due to be widely used in repairing polluted soil
Underground water.But single recovery technique, to the clean-up effect unobvious of soil underground water, therefore, scholars have carried out compound
The research of recovery technique.
When using Pump-and-Treat technology, many reparation predicaments may be faced during extracting polluted underground water out,
Its main problem includes following three aspects：1. causing some areas moisturizing insufficient since underground water largely extracts, cause to pollute
Groundwater extraction is difficult；After 2. water-bearing layer middle and high concentration polluted underground water is extracted, remain in water-bearing layer be not easy it is extracted
High concentration capillary water pollutes object residual；3. due to the main pollution channel of phreatic aquifer come from ground pollution discharge and
It infiltrates, therefore a large amount of pollutant of meeting remaining in aeration zone, and is not related to the place to aeration zone in underground water extraction process
It sets.Therefore, it in the Practical Project work progress of underground water Pump-and-Treat recovery technique, extracts out and handles in setting underground water
While system, introduces groundwater recharge system and have important practical significance for solving the above problems.
Invention content
The object of the invention is related to a kind of combined soil ground water circulation processing unit, and the device is for high osmosis, height
The pump-and-treat of water-bearing layer soil pollution underground water-re-injection ground water circulation complex repairation device, reaches and is constantly followed in underground water
It is reduced to groundwater standards dense the pollutant concentration of underground water in target restoring area phreatic aquifer in the repair process of ring
Purpose within the scope of degree.
Technical solution of the invention is a kind of for high osmosis, the drawing water of high aquifer formation soil pollution underground water-
Processing-re-injection ground water circulation complex repairation device, the device include underground water withdrawing device, microbiological fuel cell water process
Device and groundwater recharge device.
The draw water polluted underground water of extraction of underground water enters microbiological fuel cell processing unit, by sewage-treatment plant
After processing, into clear water reserviors.Underground water after up to standard after testing enters reinjection well by groundwater recharge device re-injection, eventually by
Reinjection well penetrates into phreatic aquifer, and is extracted again, to reach mesh in the repair process that underground water constantly recycles
The pollutant concentration of underground water is reduced to the purpose within groundwater standards concentration range in mark restoring area phreatic aquifer.
Underground water withdrawing device includes pumped well, the diving that draws water for extracting polluted underground water from the pumped well
Pump, valve and flowmeter, the immersible pump that draws water is in the pumped well.
Underground water treating device includes tank and processing unit, the water inlet of the tank and the immersible pump that draws water
Output channel connection, the exit peristaltic pump of the water treatment facilities connect with underground water treating device.Groundwater treatment
Device is actually a microbiological fuel cell, microbiological fuel cell be it is a kind of using microorganism by the chemistry in organic matter
The device of electric energy can be directly translated into.Its basic functional principle is：Under anode chamber's anaerobic environment, organic matter is in microbial action
Lower decomposition simultaneously releases electronics and proton, and electronics is had by suitable electron transfer mediator between biological components and anode
Effect is transmitted, and is transmitted to cathode by external circuit and is formed electric current, and proton is transmitted to cathode by proton exchange membrane, oxidant
(generally oxygen) obtains electronics and is reduced to be combined into water with proton in cathode.In this way, some organic matters, heavy metal ion are arrived
Reduction reaction occurs up to cathode, colloidal particle and negative particle just reach anode and oxidation reaction occur, to purification of ground water.This hair
Bright cathode and anode are connected with copper wire to be formed into a loop with inside microbiological fuel cell, outside the electric energy that microbiological fuel cell generates
A connecting line is connect, connecting line tail portion taps several aeration heads, and oxygen is provided for cell cathode reduction reaction, improves microorganism combustion
Expect the efficiency of battery, the final repairing effect for improving soil underground water.
Microbiological fuel cell underground water treating device is cylinder, and material uses resin organic glass.Microbial fuel
The bottom of battery groundwater treatment system is equipped with hydrophobic pond, and effect is that the water into microbiological fuel cell is made uniformly to mix.It dredges
Pond top is mesh grille, is to ensure underground pollution water evenly into microbiological fuel cell prosthetic device.Net
It is glass bead layer on shape grid layer, plays support and hydrophobic effect.The filling substrate of microbiological fuel cell groundwater treatment system
Be followed successively by bead, column-shaped active carbon, haydite, column-shaped active carbon and quartz sand from top to bottom, these types of filling substrate have than
Surface area is big, porosity is high, soil pick-up ability is strong advantage and be widely used in sewage treatment industry.Enriching plant is for heavy metal
It is enriched with and provides oxygen for cell cathode.The water outlet outlet pipe of the water treatment facilities is connect with return water system.
Underground water treating device includes tank and processing unit, the water inlet of the tank and the immersible pump that draws water
Efferent duct connection, the exit peristaltic pump of the water treatment facilities connects with microbiological fuel cell groundwater treatment system
It connects.Microbiological fuel cell groundwater treatment system include two electrode cathodes and anode, cathode and anode copper wire connect with
Forming circuit inside microbiological fuel cell.The external connecting line of electric energy that microbiological fuel cell generates, connecting line tail portion
Several aeration heads are tapped, oxygen is provided for cell cathode reduction reaction.
Soil underground water water recovery apparatus includes back water well device, back water well entrance and microbiological fuel cell groundwater treatment
Device outlet connection, back water well is cylinder, in order to improve back water well efficiency, six is uniformly distributed on cylinder and lists water hole, and every 60
One row of degree row, longitudinal pitch of holes are 10cm, the 5cm that is staggered between the column and the column arrangements.
The beneficial effects of the present invention are the systems by the way of drawing water, water process and groundwater recharge are combined, needle
To the contaminated soil of high osmosis, High water cut, polluted underground water is drawn to ground water treatment facilities, after processing is up to standard,
Through being back to reinjection well under gravity.Meanwhile the re-injection process of underground water, the underground water in phreatic aquifer has been carried out and
When feed, also avoid the hazardous accidents such as surface subsidence generation.It is not easy extracted capillary water in addition, remaining in water-bearing layer
It is leached or extracts out due to the supply of reinjected water, further enhance underground water and the repairing effect in water-bearing layer, reparation is made to imitate
Fruit is more thorough.
Description of the drawings
Fig. 1 is the organigram of the present invention；
Fig. 2 is the horizontal layout construction schematic diagram that groundwater treatment of the present invention constructs filling substrate；
Fig. 3 is the apopore distribution center sectional view of reinjection well；
Fig. 4 is the organigram of the trash rack of the present invention.
Specific implementation mode
As shown in Figs 1-4, a kind of for high osmosis, pump-and-treat-re-injection underground water of high aquifer formation polluted underground water
Circulator, including pass sequentially through the underground water withdrawing device of pipeline connection, underground water treating device, microbiological fuel cell water
Processing unit and groundwater recharge device.
Underground water withdrawing device of the present invention include draw water in soil 3 domain 2 water table 1 in, the pumped well 5 of setting, water
Draw water immersible pump 4 in well, there is valve 8, flowmeter 7 and elevator pump 6. on output channel
Underground water treating device of the present invention has tank 9 and processing unit, the water inlet of tank 9 and the diving that draws water
The connection of 4 output channels is pumped, the exit of the water treatment facilities is connect with peristaltic pump 25 with underground water treating device.
Microbiological fuel cell underground water treating device of the present invention is cylinder, and material uses resin organic glass, described
Hydrophobic pond 10 is arranged in cylindrical base, and hydrophobic pond top is mesh grille 11,【See Fig. 3】It is glass bead layer on the mesh grille 11
13, it is filling substrate in the glass bead layer 13, the filling substrate is followed successively by bead 12, lower layer's column activity from top to bottom
Charcoal 15, haydite 17, upper layer column-shaped active carbon 15 and quartz sand 19【See Fig. 2】, lower layer's column-shaped active carbon in the cylinder
It is provided with anode electrode film 14 in layer 15, cathode electrode sheet 18 is provided in the column-shaped active carbon layer of upper layer, in cathode and anode electricity
Pole piece is connected by copper wire, is also both that enriching plant group 20 is arranged on quartz sand, in the enriching plant at the cylindrical tip
Multiple aeration heads 21 are set in group 20, and the aeration head is connected by conducting wire with the copper wire for connecting cathode and anode electrode slice.
There are soil underground water water recovery apparatus, the described device to have buffer pool 22, buffer pool 22 at cylinder top end of the present invention
One groundwater recharge pipe 26 is set at bottom surface water outlet 23, and the groundwater recharge pipe 26 is downwardly into reinjection well 27.
The groundwater remediation device of the present invention can also produce electricl energy, this electric energy is to underground while handling underground water
Water prosthetic device plant root device aeration head 21 can drive the work of aeration head, improve the reduction reaction of cell cathode, save
The electric energy of external input.Underground water treating device includes tank 9 and microbiological fuel cell underground water treating device, mainly
Purposes be by polluted underground water organic matter or the removal of the target contaminants such as heavy metal or concentration reduce.The tank 9
Water inlet draws water immersible pump and the efferent duct of elevator pump 4 and elevator pump 6 is connect with described, and the exit of the water treatment facilities is used
Peristaltic pump 25 is connect with microbiological fuel cell underground water treating device, and peristaltic pump 25 can control polluted underground water into raw in a subtle way
The flow of object fuel cell.Microbiological fuel cell groundwater treatment system include two electrodes, an anode (carbon-point) 14, one
A cathode (carbon-point) 18.On the one hand, cathode 18 restores colloidal particle and negative particle under the action of aerobic bacteria, and anode 14 exists
Organic matter is decomposed under the action of anaerobic bacteria, oxidation reaction occurs, heavy metal is enriched in the root system of enriching plant, to purify
Polluted underground water.On the other hand, the pollutant in underground water is adsorbed by the filling substrate in microbiological fuel cell, can also be purified
Polluted underground water.Cathode and anode a piece connection forming circuit of copper wire 16, the external company of electric energy of the circuit generation of formation
Wiring, connecting line tail portion tap several aeration heads 21, and aeration head provides required oxygen for cell cathode reduction reaction.
It is to adjust entrance that a peristaltic pump 25 is filled before the water inlet 24 of microbiological fuel cell groundwater treatment system
The flow of inlet water of groundwater treatment system.Hydrophobic pond 10 is set at groundwater treatment system water inlet, it is therefore an objective to make to enter microorganism combustion
The water of material battery uniformly mixes.A hydrophobic grid 11 is arranged in 10 top of hydrophobic pond, and plane of arrangement figure is as shown in Figure 3.
As shown in Fig. 2, the filling substrate of microbiological fuel cell underground water treating device is followed successively by bead from top to bottom
12, lower layer's column-shaped active carbon 15, haydite 17, upper layer column-shaped active carbon 15 and quartz sand 19, these types of filling substrate have than table
Area is big, porosity is high, soil pick-up ability is strong advantage and be widely used in sewage treatment industry.Such as Fig. 1, enriching plant 20 is for weight
The oxygen of the enrichment of metal and root secretion provides oxygen for the cathodic reduction reaction of microbiological fuel cell.The water process
One buffer pool 22 is set at the water outlet of device, and the water outlet outlet pipe of buffer pool 22 is connect with water recovery apparatus.
Groundwater recharge device includes groundwater recharge pipe 26 and reinjection well 27, is mainly used for treated underground water
In re-injection to water table aquifer.Groundwater recharge pipe 26 is connected with underground water treating device, and reinjection well 27 connects with groundwater recharge well
It connects.Fig. 4 is that distribution map is arranged in the trepanning of reinjection well.Back water well is cylinder, in order to improve back water well efficiency, uniformly divides on cylinder
Cloth six lists water hole, every 60 degree of rows, one row, and longitudinal pitch of holes is 10cm, the 5cm that is staggered between the column and the column arrangements.
Claims (5)
1. a kind of combined soil ground water circulation processing unit, it is characterized in that a kind of combined soil ground water circulation processing dress
It sets including underground water withdrawing device, underground water treating device, microbiological fuel cell water treatment facilities and groundwater recharge dress
It sets.
2. a kind of combined soil ground water circulation processing unit according to claim 1, it is characterized in that underground water extraction dress
It sets including well, draw water immersible pump in well, there is valve, flowmeter and elevator pump on pumping conduit.
3. a kind of combined soil ground water circulation processing unit according to claim 1, it is characterized in that groundwater treatment fills
It is equipped with tank and processing unit, the water inlet of tank is connect with the immersible pump output channel that draws water, the water process dress
The exit peristaltic pump set is connect with underground water treating device.
4. a kind of combined soil ground water circulation processing unit according to claim 1, it is characterized in that Microbial fuel is electric
Pond underground water treating device is cylinder, and material uses resin organic glass, the cylinder bottom that hydrophobic pond, hydrophobic pond is arranged
Top is mesh grille, is glass bead layer on the mesh grille, is filling substrate, the filling substrate in the glass bead layer
It is followed successively by bead, lower layer's column-shaped active carbon, haydite, upper layer column-shaped active carbon and quartz sand, in the cylinder from top to bottom
It is provided with anode electrode film in interior lower layer's column-shaped active carbon layer, cathode electrode sheet is provided in the column-shaped active carbon layer of upper layer,
The cathode and anode electrode slice is connected by copper wire, is also both setting enriching plant group on quartz sand at the cylindrical tip,
Multiple aeration heads are set in the enriching plant group, and the aeration head passes through conducting wire and the copper wire phase for connecting cathode and anode electrode slice
Even.
5. a kind of combined soil ground water circulation processing unit according to claim 1, it is characterized in that the cylinder top
There are soil underground water water recovery apparatus, the described device to have buffer pool, buffer pool bottom surface water outlet that one underground is set at end
Water re-injection pipe, the groundwater recharge pipe are downwardly into reinjection well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527100.8A CN108706820A (en) | 2018-05-29 | 2018-05-29 | A kind of combined soil ground water circulation processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810527100.8A CN108706820A (en) | 2018-05-29 | 2018-05-29 | A kind of combined soil ground water circulation processing unit |
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| Publication Number | Publication Date |
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| CN108706820A true CN108706820A (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810527100.8A Pending CN108706820A (en) | 2018-05-29 | 2018-05-29 | A kind of combined soil ground water circulation processing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404956A (en) * | 2019-08-07 | 2019-11-05 | 上海洁壤环保科技有限公司 | A kind of soil and underground water complex repairation system and restorative procedure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130078703A (en) * | 2011-12-30 | 2013-07-10 | 코오롱글로벌 주식회사 | Cation exchange membrane-less and continuous up-flow microbial fuel cells |
| US9045354B2 (en) * | 2010-09-21 | 2015-06-02 | Advanced Environmental Technologies, Llc | Methods for enhanced oxidative and reductive remediation |
| CN105859024A (en) * | 2016-04-20 | 2016-08-17 | 东南大学 | Ag3PO4 photocatalysis and artificial wetland microbial battery coupling system and application thereof |
| CN107662989A (en) * | 2017-11-07 | 2018-02-06 | 安徽国祯环境修复股份有限公司 | A kind of groundwater remediation system by heavy metal and Organic Pollution |
-
2018
- 2018-05-29 CN CN201810527100.8A patent/CN108706820A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9045354B2 (en) * | 2010-09-21 | 2015-06-02 | Advanced Environmental Technologies, Llc | Methods for enhanced oxidative and reductive remediation |
| KR20130078703A (en) * | 2011-12-30 | 2013-07-10 | 코오롱글로벌 주식회사 | Cation exchange membrane-less and continuous up-flow microbial fuel cells |
| CN105859024A (en) * | 2016-04-20 | 2016-08-17 | 东南大学 | Ag3PO4 photocatalysis and artificial wetland microbial battery coupling system and application thereof |
| CN107662989A (en) * | 2017-11-07 | 2018-02-06 | 安徽国祯环境修复股份有限公司 | A kind of groundwater remediation system by heavy metal and Organic Pollution |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110404956A (en) * | 2019-08-07 | 2019-11-05 | 上海洁壤环保科技有限公司 | A kind of soil and underground water complex repairation system and restorative procedure |
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Application publication date: 20181026 |
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