CN104140153B - A kind of device using nanotechnology to repair rock stratum environmental pollution and application - Google Patents
A kind of device using nanotechnology to repair rock stratum environmental pollution and application Download PDFInfo
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- CN104140153B CN104140153B CN201310168371.6A CN201310168371A CN104140153B CN 104140153 B CN104140153 B CN 104140153B CN 201310168371 A CN201310168371 A CN 201310168371A CN 104140153 B CN104140153 B CN 104140153B
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- 239000011435 rock Substances 0.000 title claims abstract description 53
- 238000003912 environmental pollution Methods 0.000 title claims abstract description 30
- 230000008439 repair process Effects 0.000 title claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 167
- 239000002101 nanobubble Substances 0.000 claims abstract description 126
- 239000007924 injection Substances 0.000 claims abstract description 106
- 238000002347 injection Methods 0.000 claims abstract description 106
- 239000012047 saturated solution Substances 0.000 claims abstract description 97
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Abstract
A kind of device using nanotechnology to repair rock stratum environmental pollution and application, at water injection well, interval 5～10m on the direction that subsurface flow flows is provided with pumped well, it is provided with filter screen in water injection well and pumped well, a nano bubble saturated solution fill assembly it is provided with on ground between water injection well and pumped well, this nano bubble saturated solution fill assembly respectively with water injection well be connected with pumped well pipeline, by nano bubble saturated solution, rock stratum environmental pollution is processed.Cost of the present invention is relatively low, repairing effect is good, remediation efficiency is high, and process is thoroughly formed without secondary pollution, and can effectively remove subsoil water and the Some Organic Pollutants in lower saturated soil region thereof and heavy metal contaminants, and only need to offer water injection well and the pumped well of respective numbers, coordinate one or more sets devices, so that it may be applied to different polluter, different contaminated areas, different pollution levels, the soil of the rock stratum environment of different pollution depths and underground water pollution process field.
Description
Technical field
The present invention relates to a kind of soil and underground water pollution processes reparation field, particularly relate to a kind of use containing single
Or multiple reacting gas, and reacting gas with nano bubble form be present in saturated liquid be applied to repair rock stratum
Environment Organic substance and the processing means of heavy metal pollution and application processing method thereof.
Background technology
Along with Chinese Urbanization, the quickening of process of industrialization, and the fast development of economy, commercial production is to ring around
The pollution in border is the most serious, especially for soil and the pollution of subsoil water, more has from city to rural development
Serious stern form, data show: China had 20,000,000 hectares plough by heavy metal pollution, wherein by mining area
Pollute reach 2,000,000 hectares, reached 5,000,000 hectares by oil pollution, industrial triwaste pollution reach 1000
Ten thousand hectares, what solid waste stacking was polluted reaches 50,000 hectares, and the area of sewage irrigation polluted agricultural land reaches 330
Ten thousand hectares.
Therefore, picking up from source, the reparation of China's urban industry contaminated soil compares for rural pollution soil remediation
The most urgent, current China contaminated soil main source includes: heavy metal pollution, persistent organic pollutants (POPs)
Polluting, organic contamination is the contaminated sites such as the oil of master, chemical industry, coking, and electron wastes processes contaminated site.
It addition, the underground water pollution situation in China city and rural area also allows of no optimist.China's mining of groundwater total amount at present
Having accounted for the 18% of total supply, the agricultural irrigation of the domestic water of northern area 65%, the water for industrial use of 50% and 33% is used
Water is from subsoil water.In 657 cities, the whole nation, there is more than 400 with subsoil water as drinking water source.But investigation display
Some areas groundwater mining is serious, water level tide；Some Regional City sewage, house refuse and industrial waste
The seepage infiltrations such as thing soiling solution and fertilizer and pesticide, cause Groundwater Environmental Quality deterioration, pollution problem to become increasingly conspicuous, give
People's productive life causes and has a strong impact on.Domestic also there occurs a lot of underground water pollution affect resident living healthy and
The accident of safety.
Along with by China's " soil pollution " 12 " planning " and " whole nation pollution prevention plan
(2011 the year two thousand twenty) " etc. relevant laws and regulations, China for soil pollution and underground water pollution reparation with
Control to have put on schedule.To this end, can effectively, the soil of energy-conserving and environment-protective and groundwater remediation technology are in China face
Face the huge market demand.
The current reparation for subsoil water there are multiple technologies and exists, such as: pump-and-treat technology, monitor natural declining
Subtract technology, based technique for in-situ remediation.Wherein based technique for in-situ remediation due to cost relatively low, the factors such as effect on environment is little, be
The application technology that groundwater remediation is the most universal at present.
And current in-situ immobilization method mainly includes in-situ chemical recovery technique, traditional groundwater mining technology, and
Bioremediation technology.Wherein:
1. in-situ chemical recovery technique includes in-situ reducing recovery technique and in-situ oxidation recovery technique, mainly passes through
In soil or subsoil water, injection oxidant or reducing agent reach the purpose of decomposing organic pollutant, as to Polluted Soil
Earth and subsoil water add hydrogen peroxide or ozone as oxidant.
In-situ chemical recovery technique is relatively reliable, and the cycle is short, but cost is of a relatively high.
2. facture of drawing water is traditional groundwater remediation technology, mainly by pumped well reasonable in design and subsoil water
Flow field, formed comprise whole subsoil water pollute pinnule intercepting and capturing district, constantly groundwater abstraction so that pollution clouds with
And pollution level gradually reduces.
But this technology existence processes halfway shortcoming.
3. biological reinforcing technology is mainly on the basis of bioremediation technology, by for the growth of microorganism and degraded
Improved effect environment, it is provided that enough electronics are by/donor, and nutritive salt etc., rise to biology metabolism and
Degradation Level, thus reach degraded soil and the purpose of underground water pollutant of higher efficiency.
The most domestic for biological reinforced recovery technique, especially nanometer technique at contaminated soil and groundwater remediation
On application, expanded relevant research, if the micro-nano aeration process of Jiang Haoyu Wu Tao (2011) is at water ring
Application in terms of the improvement of border, Yang Li etc. (2012) about micro-nano Bubble Characteristics and in environment pollution control should
With waiting research.
It is worth mentioning that the application for a patent for invention of Application No. 201210041355.6, this aims to provide a kind of with micro-
Underground contaminant water is strengthened technology and the system of in-situ immobilization by nano bubble, and this patent application is by being located at upstream
Water injection well injects micro-nano bubble (size is defined as 100nm-0.2mm) and nutritive salt is contaminant degradation or is micro-
Biology persistently supplements electronics and is subject to/donor, thus plays the effect of enhanced biological reaction, is drawn water by pumped well, forms ground
The flow field of lower water, additionally sets detection well, so as to detecting the degree of decomposition of pollutant, regulates aerator index of correlation,
And current etc..This patent has well recognized that the oxygen supply of micro-nano bubble is effective, and the persistent period is long, affects model
Enclose big, it is possible to make up the deficiency of the standard biologic recovery technique such as natural degradation and bio-ventilation, be also equipped with low cost, joint
Can efficiently wait advantage.
But, related measure and means in this patent the most all belong to hands standard, general in biological reinforcing technology field
Section, and this patent also has a following limitation:
1. this patent uses the micro-nano bubble (size is defined as 100nm-0.2mm) that tradition aeration way produces,
Rather than nano bubble, according to U.S.'s US2007/0286795A1 patent, produced nano bubble typically arrives tens
Between hundreds of nanometer, and nano bubble is more much better than micro-nano bubble in relevant performance.
2. this patent explicitly points out has repair mainly for different organic pollutions, and have ignored underground water and soil
Heavy metal part in earth.
3. the structure design of one water injection well of the upstream and downstream facility of this patent and a pumped well, as applicant mentions
, this technology is more suited to limited areal, the site remediation of high-pollution load, has bigger limitation.
4. the structure design of this patented technology is more applicable to the underground water pollution of deep layer, for the subsoil water of shallow rock stratum,
And the soil pollution on top layer, this technology is difficult to be suitable for.
In sum, the various rock stratum of the rock stratum environment that current subsoil water and the soil saturation region under it are formed
Soil and rock stratum underground water pollution processing method, also exist cost of a relatively high, processes not thoroughly, cannot process weight
Metal, the various defects such as limitation is bigger.
Summary of the invention
In order to solve the variety of problems existing for current rock stratum soil and the process of rock stratum underground water pollution, the present invention carries
A kind of device using nanotechnology to repair rock stratum environmental pollution and application are supplied, for subsoil water and the soil under it
The situation of the rock stratum environmental pollution of saturation region, repairs rock stratum environment, and the present invention is described in detail below:
A kind of device using nanotechnology to repair rock stratum environmental pollution, including water injection well, it is characterised in that:
The quantity of described water injection well is 1～4, and the degree of depth of water injection well is 5～15 meters, and water injection well is along underground
It is spaced at 5～10m on the direction of current flowing and is provided with pumped well；
Being provided with a nano bubble saturated solution fill assembly on ground between described water injection well and pumped well, this is received
Rice bubble saturated solution fill assembly is connected with pumped well pipeline with water injection well respectively；
It is provided with filter screen in described water injection well and pumped well.
A kind of device using nanotechnology to repair rock stratum environmental pollution according to the present invention, it is characterised in that described
Nano bubble saturated solution fill assembly includes that nano-bubble generator, nano bubble saturated solution blend together memorizer, note
Water pipe, saturated solution injection pump, drinking-water pipe, suction pump and delivery pipe, wherein nano-bubble generator and nano bubble
Saturated solution blendes together memorizer and connects, and the nano bubble of generation is mixed by nano-bubble generator with nano bubble saturated solution
The interior pure water becoming memorizer is mixed to form the saturated solution of band nano bubble, and nano bubble saturated solution blendes together storage
Device one end is provided with water injection pipe, and water injection pipe is connected with water injection well pipeline, is provided with saturated solution on the pipeline of water injection pipe
Injection pump, the saturated solution of band nano bubble is mixed from nano bubble saturated solution by saturated solution injection pump by water injection pipe
Become memorizer to inject water injection well, and the other end that nano bubble saturated solution blendes together memorizer is provided with drinking-water pipe, draws water
Pipe is connected with pumped well pipeline, is provided with suction pump on the pipeline of drinking-water pipe, and the water in pumped well is extracted out by suction pump,
The water of a portion injects nano bubble saturated solution by drinking-water pipe circulation and blendes together memorizer, and the water of another part
Then the delivery pipe by being connected with suction pump is directly discharged to earth's surface.
A kind of device using nanotechnology to repair rock stratum environmental pollution according to the present invention, it is characterised in that described
Nano bubble diameter produced by nano-bubble generator is 50～300 nanometers.
The nano bubble of a diameter of 50～300 nanometers relevant depolluting, decompose in heavy metal performance more micro-nano than current
Bubble is much better.
A kind of device using nanotechnology to repair rock stratum environmental pollution according to the present invention, it is characterised in that described
On the bottom borehole wall being arranged on water injection well and pumped well in cover type of filter screen, this filter screen is arranged on water injection well and draws water
The deep equality of the height in well and water injection well and the subsurface flow in pumped well.
The effect of filter screen be can the mobility of saturated solution of reinforcing tape nano bubble, and filter out unnecessary silt
Granule foreign, therefore the height of filter screen should be not less than the degree of depth of subsoil water, because water injection well has the different degree of depth, therefore uses
The filter screen of differing heights.
The application of a kind of device using nanotechnology to repair rock stratum environmental pollution, based on above-mentioned a kind of employing nanometer skill
Art repairs the device of rock stratum environmental pollution, and it is described in detail below:
1) on the direction along subsurface flow flowing of water injection well, it is provided with pumped well at interval 5～10m；
2) groundwater depth in using water level monitor device to confirm water injection well and pumped well, and respectively in respective bottom
On the borehole wall filter screen is set in cover type, the degree of depth phase of the height of this filter screen and water injection well with the subsurface flow in pumped well
Deng；
3) ground surface at water injection well and pumped well arranges nano bubble saturated solution fill assembly, the water injection pipe of this assembly
Blending together memorizer with nano bubble saturated solution respectively with one end of drinking-water pipe to be connected, the other end is then respectively implanted water injection well
With in pumped well；
Water injection well forms corresponding subsoil water soak zone, and soak zone is by saturated solution injection pump and water injection pipe and nano bubble
Saturated solution blendes together memorizer and connects.
4) nano-bubble generator of nano bubble saturated solution fill assembly is started so that it is produce nano bubble, and will
This nano bubble injects nano bubble saturated solution and blendes together the pure water in memorizer so that it is be mixed to form band nano bubble
Saturated solution, then the saturated solution of band nano bubble is injected water injection well by starting saturated solution injection pump, with
Contaminated underground water mixing in water injection well, by the pollutant reaction of the saturated solution of nano bubble and subsoil water also
Decomposed；
The theoretical basis of the present invention is that nano bubble possesses more preferably than micron bubble or micro-nano bubble in saturated solution
Stability, longer time existence, with higher electric charge, therefore possess and preferably pollute capacity of decomposition.Receive
The diameter dimension size of rice bubble is from 50 nanometers to 300 nanometers, and the raising to rock stratum environment remediation efficiency is to pass through
Reacting gas presented in nano bubble, and designs a set of corresponding employing nanotechnology in saturated solution
The device repairing rock stratum environmental pollution realizes this target.
The present invention in order to occur the reacting gas of nano bubble to depend primarily on the polluter of rock stratum environment, can be protect
The hydrogen of card reducing environment, or ensure the air of oxidation environment, oxygen, or ozone, can be micro-in order to improve
The mixed gas of biological nutrition environment, or in order to promote the gas of chemical reaction that pollutant decompose.Oxidizing gas,
Such as ozone, chlorinated hydrocarbon (such as: PCE, TCE, DCE, VC, BTEX, PCBs, TPH, pesticide can be improved
Etc.) decomposition, and the most arsenious decomposition of some heavy metal ion.Reducibility gas, such as hydrogen, can improve
Chlorohydrocarbon, and the decomposition of heavy metal chromium.Air and oxygen can improve TPH, the BTEX that biology in situ is repaired, with
And the decomposition of PAHs.
5) suction pump of nano bubble saturated solution fill assembly is started by the saturated solution by band nano bubble of pumped well
The subsoil water processed and crossed by strainer filtering draws water, and a portion water is again introduced into nano bubble by drinking-water pipe and satisfies
Blending together memorizer with solution, another part is then directly discharged into surface layer by delivery pipe.
Pumped well can draw water from the top layer of rock stratum environment and deep layer respectively, thus strengthens the saturated solution of band nano bubble
At the flow in the subsoil water region polluted, and in order to reduce the use of the saturated liquid with nano bubble, by extract out
Subsoil water part is again back to nano bubble saturated solution and blendes together memorizer, and the most processed subsoil water is directly arranged
Enter surface layer and also earth's surface pollution environment is served purification.
The present invention, for pollution in wide area region, can repeat offer many places water injection well and pumped well and repeat to arrange many sets
This device, to reach more preferable rock stratum environment remediation effect.
A kind of device using nanotechnology to repair rock stratum environmental pollution using the present invention obtains following beneficial effect:
1. a kind of device using nanotechnology to repair rock stratum environmental pollution of the present invention and application, its cost is relatively low, repaiies
Multiple the most effective, remediation efficiency is high, and processes and be thoroughly formed without secondary pollution, and can effectively remove subsoil water and under
The Some Organic Pollutants in saturated soil region and heavy metal contaminants；
2. a kind of device using nanotechnology to repair rock stratum environmental pollution of the present invention and application, its limitation is less,
Pollution process range is big, only need to offer water injection well and the pumped well of respective numbers, coordinates one or more sets pollutions to process and uses
Nano bubble saturated solution fill assembly, use different reacting gas just to can be applicable to not according to the difference of polluter
Same polluter, different contaminated areas, different pollution levels, the rock stratum environment of different pollution depths is repaired,
It is applicable to soil and the underground water pollution process field of various rock stratum deep, shallow environment.
Accompanying drawing explanation
Fig. 1 is that the present invention a kind of uses what nanotechnology repaired the device of rock stratum environmental pollution and application to be arranged on difference
The water injection well of the degree of depth and the concrete schematic diagram of pumped well；
Fig. 2 is a kind of device using nanotechnology to repair rock stratum environmental pollution and the monomer setting of application of the present invention
Concrete schematic diagram.
In figure: 1-water injection well, 2-pumped well, A-nano bubble saturated solution fill assembly, A1-nano-bubble generator,
A2-nano bubble saturated solution blendes together memorizer, A3-water injection pipe, A4-saturated solution injection pump, A5-drinking-water pipe, A6-
Suction pump, A7-delivery pipe, B-filter screen.
Detailed description of the invention
With embodiment the present invention a kind of used below in conjunction with the accompanying drawings nanotechnology repair rock stratum environmental pollution device and
Application is further described.
Embodiment 1
As it is shown in figure 1, a kind of device using nanotechnology to repair rock stratum environmental pollution of the present invention, including water injection well
1, the quantity of described water injection well is 1～4 (being 2) in the present embodiment, and the degree of depth of water injection well is 5～15 meters of (these
Embodiment is 8 meters and 15 meters), and water injection well be spaced on the direction flowed along subsurface flow at 5～10m arrange
There is pumped well 2 (the lateral arrows direction in the soil of Fig. 1 is direction of groundwater flow)；
Being provided with a nano bubble saturated solution fill assembly A on ground between water injection well 1 and pumped well 2, this is received
Rice bubble saturated solution fill assembly is connected with pumped well pipeline with water injection well respectively；
It is provided with filter screen B in water injection well 1 and pumped well 2.
Nano bubble saturated solution fill assembly A includes that nano-bubble generator A1, nano bubble saturated solution blend together and deposit
Reservoir A2, water injection pipe A3, saturated solution injection pump A4, drinking-water pipe A5, suction pump A6 and delivery pipe A7, wherein
Nano-bubble generator blendes together memorizer with nano bubble saturated solution and is connected, the nanometer that nano-bubble generator will produce
Bubble and nano bubble saturated solution blend together the interior pure water of memorizer and are mixed to form the saturated solution of band nano bubble,
Nano bubble saturated solution blendes together memorizer one end and is provided with water injection pipe, and water injection pipe is connected with water injection well 1 pipeline, at note
Being provided with saturated solution injection pump on the pipeline of water pipe, the saturated solution of band nano bubble is passed through by saturated solution injection pump
Water injection pipe blendes together memorizer from nano bubble saturated solution and injects water injection well, and nano bubble saturated solution blendes together memorizer
The other end be provided with drinking-water pipe, drinking-water pipe is connected with pumped well 2 pipeline, is provided with and draws water on the pipeline of drinking-water pipe
Pump, suction pump is by the water extraction in pumped well, and it is saturated that the water of a portion injects nano bubble by drinking-water pipe circulation
Solution blendes together memorizer, and the water of another part is then directly discharged to earth's surface by the delivery pipe A7 being connected with suction pump.
Nano bubble diameter produced by nano-bubble generator A1 is 50～300 nanometers.
The nano bubble of a diameter of 50～300 nanometers relevant depolluting, decompose in heavy metal performance more micro-nano than current
Bubble is much better.
On the bottom borehole wall being arranged on water injection well 1 and pumped well 2 in cover type of filter screen B, this filter screen is arranged on note
The deep equality of the height in well and pumped well and water injection well with the subsurface flow in pumped well.
The effect of filter screen be can the mobility of saturated solution of reinforcing tape nano bubble, and filter out unnecessary silt
Granule foreign, therefore the height of filter screen should be not less than the degree of depth of subsoil water, because water injection well has the different degree of depth, therefore uses
The filter screen of differing heights, filter screen height corresponding in the present embodiment is 2～3 meters and 5～8 meters.
The present invention a kind of uses nanotechnology to repair specifically the installing and apply following institute of device of rock stratum environmental pollution
State:
1) on the direction along subsurface flow flowing of water injection well 1, it is provided with pumped well 2 at interval 5～10m；
2) groundwater depth in using water level monitor device to confirm water injection well 1 and pumped well 2, and respectively respective
On the borehole wall of bottom filter screen B is set in cover type, the height of this filter screen and water injection well and the subsurface flow in pumped well
Deep equality；
3) ground surface at water injection well and pumped well arranges nano bubble saturated solution fill assembly A, the water filling of this assembly
One end of pipe A3 and drinking-water pipe A5 blendes together memorizer A2 with nano bubble saturated solution respectively and is connected, and the other end is then distinguished
Insert in water injection well 1 and pumped well 2；
Water injection well forms corresponding subsoil water soak zone, and soak zone is by saturated solution injection pump and water injection pipe and nano bubble
Saturated solution blendes together memorizer and connects.
4) the nano-bubble generator A1 of nano bubble saturated solution fill assembly A is started so that it is produce nano bubble,
And this nano bubble injection nano bubble saturated solution is blended together the pure water in memorizer A2 so that it is it is mixed to form band and receives
The saturated solution of rice bubble, then by starting saturated solution injection pump A4 by the saturated solution injection note of band nano bubble
Well 1, mixes with the contaminated underground water in water injection well, by the dirt of the saturated solution of nano bubble Yu subsoil water
Dye thing reaction is also decomposed；
The present invention in order to occur the reacting gas of nano bubble to depend primarily on the polluter of rock stratum environment, can be protect
The hydrogen of card reducing environment, or ensure the air of oxidation environment, oxygen, or ozone, can be micro-in order to improve
The mixed gas of biological nutrition environment, or in order to promote the gas of chemical reaction that pollutant decompose.Oxidizing gas,
Such as ozone, chlorinated hydrocarbon (such as: PCE, TCE, DCE, VC, BTEX, PCBs, TPH, pesticide can be improved
Etc.) decomposition, and the most arsenious decomposition of some heavy metal ion.Reducibility gas, such as hydrogen, can improve
Chlorohydrocarbon, and the decomposition of heavy metal chromium.Air and oxygen can improve TPH, the BTEX that biology in situ is repaired, with
And the decomposition of PAHs.
The theoretical basis of the present invention is that nano bubble possesses more preferably than micron bubble or micro-nano bubble in saturated solution
Stability, longer time existence, with higher electric charge, therefore possess and preferably pollute capacity of decomposition.Receive
The size of rice bubble is from 50 nanometers to 300 nanometers, and the raising to rock stratum environment remediation efficiency is by reaction
Gas presented in nano bubble, and designs a set of corresponding employing nanometer skill in water or saturated solution
Art is repaired the device of rock stratum environmental pollution and is realized this target.
5) start the suction pump A6 of nano bubble saturated solution fill assembly A by pumped well 2 by band nano bubble
Saturated solution processed and was drawn water by the subsoil water that filter screen B is filtered, and a portion water is entered again by drinking-water pipe A5
Enter nano bubble saturated solution and blend together memorizer A2, and another part is being directly discharged into surface layer by delivery pipe A7.
Pumped well draws water from the top layer of rock stratum environment and deep layer respectively, thus the saturated solution strengthening band nano bubble exists
The flow in the subsoil water region polluted, and in order to reduce the use of the saturated liquid with nano bubble, the ground that will extract out
Lower water section is again back to nano bubble saturated solution and blendes together memorizer, and the most processed subsoil water is directly discharged into
Earth's surface is also polluted environment and is served purification by surface layer.
The present invention, for pollution in wide area region, can repeat offer many places water injection well and pumped well and repeat to arrange many sets
Assembly of the invention, to reach more preferable rock stratum environment remediation effect.
Embodiment 2
For soil or the underground water pollution region of little area, single a kind of of the set present invention can be set and use nanotechnology
Repair the device of rock stratum environmental pollution, also can reach preferable rock stratum environment remediation effect.
As in figure 2 it is shown, a kind of device using nanotechnology to repair rock stratum environmental pollution of the present invention arranged, its peace
Dress and application mode, as described in above-described embodiment 1, carry out soil or underground water pollution process deep, shallow-layer rock stratum environment.
It addition, pollute as earth's surface need to be tackled, it is possible to use directly spray the way of the saturated solution with nano bubble.
A kind of device using nanotechnology to repair rock stratum environmental pollution of the present invention and application, its cost is relatively low, repairs
Effective, remediation efficiency is high, and processes and be thoroughly formed without secondary pollution, and can effectively remove subsoil water and lower full
With Some Organic Pollutants and the heavy metal contaminants of soil region, and limitation of the present invention is less, and pollution processes model
Enclose big, only need to offer water injection well and the pumped well of respective numbers, coordinate the nano bubble that one or more sets pollutions process
Saturated solution fill assembly, uses different reacting gas just to can be applicable to different polluter according to the difference of polluter,
Different contaminated areas, different pollution levels, the rock stratum environment of different pollution depths is repaired, it is adaptable to various
Deeply, the soil of shallow rock stratum environment and underground water pollution process field.
Claims (4)
1. use nanotechnology to repair a device for rock stratum environmental pollution, including water injection well (1), it is characterised in that:
The quantity of described water injection well (1) is 1～4, and the degree of depth of water injection well is 5～15 meters, and water injection well along
It is spaced at 5～10m on the direction of subsurface flow flowing and is provided with pumped well (2)；
It is provided with a nano bubble saturated solution on ground between described water injection well (1) and pumped well (2) to inject
Assembly (A), this nano bubble saturated solution fill assembly is connected with pumped well pipeline with water injection well respectively；
It is provided with filter screen (B) in described water injection well (1) and pumped well (2)；
Described nano bubble saturated solution fill assembly (A) includes that nano-bubble generator (A1), nano bubble are full
Blend together memorizer (A2), water injection pipe (A3), saturated solution injection pump (A4), drinking-water pipe (A5) with solution, draw water
Pump (A6) and delivery pipe (A7), wherein nano-bubble generator blendes together memorizer with nano bubble saturated solution and is connected,
The pure water that the nano bubble of generation blendes together in memorizer with nano bubble saturated solution is mixed by nano-bubble generator
Forming the saturated solution of band nano bubble, nano bubble saturated solution blendes together memorizer one end and is provided with water injection pipe, water filling
Pipe is connected with water injection well (1) pipeline, is provided with saturated solution injection pump on the pipeline of water injection pipe, and saturated solution injects
The saturated solution of band nano bubble is blended together memorizer by water injection pipe from nano bubble saturated solution and injects water injection well by pump,
And the other end that nano bubble saturated solution blendes together memorizer is provided with drinking-water pipe, drinking-water pipe is with pumped well (2) pipeline even
Connecing, be provided with suction pump on the pipeline of drinking-water pipe, the water in pumped well is extracted out by suction pump, the water of a portion
By drinking-water pipe circulation inject nano bubble saturated solution blend together memorizer, the water of another part then by with suction pump
The delivery pipe connected is directly discharged to earth's surface.
A kind of device using nanotechnology to repair rock stratum environmental pollution the most as claimed in claim 1, it is characterised in that
Nano bubble diameter produced by described nano-bubble generator (A1) is 50～300 nanometers.
A kind of device using nanotechnology to repair rock stratum environmental pollution the most as claimed in claim 1, it is characterised in that
On the bottom borehole wall being arranged on water injection well (1) and pumped well (2) in cover type of described filter screen (B), this filter
Net is arranged on the deep equality of water injection well and the height in pumped well with water injection well with the subsurface flow in pumped well.
4. use an application for the device of nanotechnology reparation rock stratum environmental pollution, based on the claims 1～3
Any one described a kind of device using nanotechnology to repair rock stratum environmental pollution, it is described in detail below:
1) on the direction along subsurface flow flowing of water injection well (1), it is provided with pumped well (2) at interval 5～10m；
2) groundwater depth in using water level monitor device to confirm water injection well (1) and pumped well (2), and exist respectively
On the borehole wall of respective bottom filter screen (B) is set in cover type, the height of this filter screen and water injection well and the ground in pumped well
The deep equality of lower current；
3) ground surface at water injection well and pumped well arranges nano bubble saturated solution fill assembly (A), the note of this assembly
One end of water pipe (A3) and drinking-water pipe (A5) blendes together memorizer (A2) respectively and is connected with nano bubble saturated solution,
The other end is then respectively implanted in water injection well (1) and pumped well (2)；
4) nano-bubble generator (A1) of nano bubble saturated solution fill assembly (A) is started so that it is produce and receive
Rice bubble, and this nano bubble injection nano bubble saturated solution is blended together the pure water in memorizer (A2) so that it is mixed
Close the saturated solution forming band nano bubble, then by starting saturated solution injection pump (A4) by band nano bubble
Saturated solution injects water injection well (1), mixes with the contaminated underground water in water injection well, saturated by nano bubble
The pollutant reaction of solution and subsoil water is also decomposed；
5) suction pump (A6) being received pumped well (2) by band of nano bubble saturated solution fill assembly (A) is started
The saturated solution of rice bubble processed and was drawn water by the subsoil water that filter screen (B) is filtered, and a portion water is by drawing water
Pipe (A5) is again introduced into nano bubble saturated solution and blendes together memorizer (A2), and another part is then by delivery pipe (A7)
It is directly discharged into surface layer.
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| US10219670B2 (en) | 2014-09-05 | 2019-03-05 | Tennant Company | Systems and methods for supplying treatment liquids having nanobubbles |
| CN105880271B (en) * | 2016-07-02 | 2019-04-09 | 江苏省山水生态环境建设工程有限公司 | A kind of restorative procedure of mine chromium heavy-metal contaminated soil |
| CN107032434A (en) * | 2017-03-22 | 2017-08-11 | 沈阳大学 | A kind of method that cadmium in underground water is repaired based on nano material in-situ |
| JP2019089049A (en) * | 2017-11-16 | 2019-06-13 | 株式会社アーサーバイオ | Contaminated soil purification system |
| CN108296280A (en) * | 2018-02-05 | 2018-07-20 | 广东威特宝土壤修复科研中心有限公司 | The method of soil remediation method and system and heavy metal in soil solid |
| CN109867347B (en) * | 2019-03-11 | 2022-02-01 | 中国地质科学院水文地质环境地质研究所 | Ozone micro-nano bubble underground water ammonia nitrogen pollution in-situ remediation system and method |
| CN110420990A (en) * | 2019-08-13 | 2019-11-08 | 梁竟平 | A kind of high-order soil improvement method and its device |
| CN113305146B (en) * | 2021-06-22 | 2022-04-08 | 中国科学院沈阳应用生态研究所 | Organic contaminated soil bioremediation device and application thereof |
| CN113458130A (en) * | 2021-07-23 | 2021-10-01 | 杰瑞环保科技有限公司 | In-situ remediation system and method for organic matter contaminated site |
| CN114273415A (en) * | 2021-12-29 | 2022-04-05 | 西北农林科技大学 | In-situ chemical oxidation remediation system and method for organic contaminated soil and application |
| CN117259418B (en) * | 2023-03-10 | 2024-02-20 | 中国地质科学院岩溶地质研究所 | Natural enhanced leaching system and method for simulating and repairing karst lead-zinc mining area soil arsenic and cadmium |
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Effective date of registration: 20200426 Address after: 213000 floor 3, building B, Tianrun technology building, Changzhou science and Education City, No. 801, Changwu Middle Road, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Dession Environmental Protection Engineering Co. Ltd. Address before: Putuo District Shiquan Road 200063 Shanghai City No. 11 Lane 168 Patentee before: Zhao Xuemin |