CN106216372A - A kind of original position soil prosthetic device utilizing solar energy and construction method thereof - Google Patents
A kind of original position soil prosthetic device utilizing solar energy and construction method thereof Download PDFInfo
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- CN106216372A CN106216372A CN201610665943.5A CN201610665943A CN106216372A CN 106216372 A CN106216372 A CN 106216372A CN 201610665943 A CN201610665943 A CN 201610665943A CN 106216372 A CN106216372 A CN 106216372A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Abstract
The invention discloses a kind of original position soil prosthetic device utilizing solar energy and construction method thereof, this device is made up of multiple independently installed unit spliceds, and whole device closely face is divided into black；Described independently installed unit includes the gas-filled cavity surrounded, and gas-filled cavity is connected with ground grappling, bottom gas-filled cavity be layed in ground and the black plastic cloth with mesh openings is connected, top is connected with the transparent plastic cloth with mesh openings.The present invention can maximized absorption solar energy, and to structure in air heating." Bernoulli effect " caused based on " stack effect " in structure and structure upper horizontal air-flow, structure is formed air-flow upwards, and drive in thin solum air-flow upwards, thus cause the alternate nonequilibrium state of organic contaminants in soil to migrate, and the diffusion that organic pollution is in SOIL GAS；Make full use of solar energy and atm difference energy, the pollutant in soil and phreatic water are effectively removed.
Description
Technical field
The invention belongs to technical field of soil remediation, relate to a kind of original position soil prosthetic device utilizing solar energy and structure thereof
Construction method.
Background technology
In recent years, along with social, economic fast development, the continuous progress of China's industrial or agricultural technology, environmental problem is more
Highlight.The soil pollution of China is day by day serious, and the most organic pollution is especially serious and hazardness is relatively large.In soil
Organic pollution can cause numerous harm, including the inhibitory action to animals and plants in soil ecosystem and microorganism, right
Damaging effect of health etc..When, after direct body contact's contaminated soil, sense organ and physiological function being caused not
Good reaction, reducing Abwehrkraft des Koepers the increasing of M & M with chronic disease, some Organic substances can break especially
The balance of bad person's class hormonal system.Therefore, China needs badly by improving soil restoring technology, especially for dirty by Organic substance
The reparation of dye soil, maintains industrial or agricultural sustainable development, improves the ecosystem that the mankind depend on for existence, and this is accomplished by putting into greatly
Fund and the manpower of amount are administered.
China's most of soils repair mode is showering at present, and solidification and stabilization, cement kiln including dystopy burn
Deng.But the universal engineering of showering technology is complicated, energy consumption and construction cost higher, and portion of techniques to contaminated soil require height,
Such as hot-fixing is only applicable to the soil that moisture content is relatively low.By contrast, the mode of in-situ immobilization need not excavation pollution
Place, not destroy Soil structure, equipment simple to operate and can cost-effective and energy consumption.In-situ immobilization can condition at the scene
The most direct repairing polluted soil, such as soil vapor extraction (Soil Vapor Extraction, SVE), bio-ventilation method
(Bioventing) etc..Processing during organic pollutant, SVE utilize vacuum pump produce pressure promote air flow through by
Contaminated soil hole, forms to stream migration desorbing carry volatile organic constituents secretly, and the gas extracted is through except steam
Finally process with carbon adsorption, reach the purpose of cleaning soil.SVE is workable, repair pollutant scope extensively, does not destroy soil
Internal balance, reparation aeration zone is multiple, contaminated soil is relatively more effective, but owing to needs set up mechanical pipe and treatment facility, becomes
This is the highest.
Solar energy is a kind of representative novel renewable energy, has cleanliness without any pollution, resources costs low, universal
Endless, the nexhaustible advantage existed and take.At present, the application of solar energy is boundless, such as solar energy thermal-power-generating skill
Art, solar refrigeration technology, solar water heater etc..In soil remediation, solar energy is utilized to repair to carry out soil as the energy
Multiple Technical comparing is few.But, by exploitation solar energy, contaminated soil is effectively repaired, is possible not only to reduce into
This, and energy consumption and carbon emission can be reduced, it is achieved green and continuable reparation.
Chinese patent CN 102000693A discloses the dress of a kind of solar energy ex-situ remediation of volatile organic pollution soil
Putting, this device includes solar energy steam-supplying system, soil remediation storehouse, water circulation system and connection pipeline.This device utilizes solar energy
Radiating, obtained heat by optically focused, the moisture in heating endothermic tube is to provide soil remediation vapours, and water circulation system provides
Required moisture.This system can be used in processing the organic pollution of contaminated soil weight, and reaches energy-conservation purpose.But, should
Patent is only used for dystopy and processes, thus contaminated soil must be excavated post processing, and corresponding construction cost is higher.This
Outward, this system uses water as heat-conducting medium, and owing to specific heat of water holds very big, under the sunlight of limited areal irradiates, heat up effect
The most limited, therefore heating and volatilization effect to organic pollution also will not be very good, cause treatment effect poor.
Chinese patent CN 105478468A discloses a kind of solar energy hot blast system hardening biology in situ ventilation soil remediation
System, this system includes solar air heat collection system, ventilating system, pollutant vacuum extraction facility and gas cleaning plant.
This system, with solar energy as thermal source, adds hot-air and injects in the pre-buried radiating tube of soil, regulate the soil moisture, promote soil microorganism
The growth of flora and the degraded to organic pollution, reach the effect of energy-saving and emission-reduction.But, this system needs pre-buried ventilation duct
Road, thus construction cost is higher.Additionally, this system needs to fill nutritional solution, thus operating cost is higher.
Chinese patent CN 204107979U discloses a kind of deep soil heating prosthetic appliance utilizing solar energy, and this is
System includes substrate heating wire, column, wire netting, substrate, solar panel, air pump, accumulator, heat insulating mattress, block and hollow
Pipe.This patent uses solaode to carry out resistance heating.Owing to the photoelectric transformation efficiency of solaode is relatively low, change at electric heating
During have again further energy consumption, the energy efficiency of this system is the lowest.Reach the work of large-area soil remediation, need
Substantial amounts of solar panel, construction cost is too high.
Chinese patent CN 204294616U discloses the contaminated soil remediation system adopting recirculating of a kind of solar heat desorption, this system
Including pollutant vacuum pick-up system, solar thermal collection system and gas loading system, specifically include heating diffusion well, bleed
Well, concrete hardening ground, gas filling pipeline, air compressor, extraction well, concrete hardening ground, gas filling pipeline,
Air compressor, gas pipeline, trough type solar heat-collector array, aerator, absorbent charcoal adsorber, vacuum pump, air mistake
Filter.This system uses groove type solar heat collector collection solar energy to heat contaminated soil as thermal source, it is adaptable to
Repairing and treating receives volatility and the semi-volatile organic matter contaminated soil of benzene homologues, halogenated hydrocarbon and petroleum-type.This system
Can effectively utilize the heat energy that solar energy converts, but this system needs to build substantial amounts of heating diffusion well, with high costs.This
Outward, this system needs to utilize air compressor Continuous aeration, thus operating cost is the highest.
China's soil pollution is serious in sum, and wherein organic pollution is the most serious.Traditional repair mode and on
State several based on solar energy the recovery technique quoted to have the disadvantage that
1. use most common showering mode, process again after needing to excavate contaminated soil, this
The general construction cost of mode is high.
2. for the repair mode of dystopy, the contaminated soil excavated is managed difficult, easily causes secondary dirty
Dye.
3. the repair mode of dystopy generally relates to chemistry and biological process, and reagent is costly.There are some process sides
Formula uses the mode of heating, and corresponding energy consumption cost is high.In above-mentioned quoting useful solar energy come dystopy heating repair
, but needed for thermal desorption, energy consumption is the highest, if using solar energy to reach this purpose, needs the most large-area solar energy
Plate, cost will be the highest.
4. use repair mode in situ can save the cost excavating construction, but most in-situ immobilization mode needs
Energising to be continued or the input of other energy, therefore operating cost is higher.
The most most in-situ immobilization mode is required for building some permanent facilities, the such as cement flooring of operation, peace
The pump machine of dress and pipeline etc., the most relatively costly.
The most most original position soil repair mode is required for boring and builds extraction well, and cost is the highest.
Summary of the invention
A kind of original position soil prosthetic device utilizing solar energy of offer and construction method thereof are provided,
This device is based on soil scene in-situ immobilization, and the convection current and the disperse that are combined with organic pollutants migrate, and make full use of solar energy
With atm difference energy, the pollutant in soil and phreatic water are effectively removed.
The present invention is to be achieved through the following technical solutions:
A kind of original position soil prosthetic device utilizing solar energy, is made up of multiple independently installed unit spliceds, whole device
Closely face is divided into black；Described independently installed unit includes the gas-filled cavity surrounded, and gas-filled cavity is with ground grappling even
Connect, bottom gas-filled cavity be layed in ground and the black plastic cloth with mesh openings is connected, top is opened with grid
The transparent plastic cloth of mouth is connected；
Two adjacent installation units share inflated type cavity, being additionally provided with grappling towards outside and mould of the gas-filled cavity of outer most edge
Material cloth, grappling Polypropylence Sheet one end is connected with the top of gas-filled cavity, and the other end is connected with ground grappling.
Described gas-filled cavity is connected with ground grappling by static line, and static line one end is with gas-filled cavity middle part even
Connecing, one end is fixedly connected with the ground；Gas-filled cavity is provided with the valve of inflation/aerofluxus in the part near ground.
Described grappling Polypropylence Sheet with the connection on ground is: one end embedment distance outermost gas-filled cavity of grappling Polypropylence Sheet
In the trench of more than 1 meter；
Described grappling Polypropylence Sheet is air-locked Polypropylence Sheet, and adjacent grappling Polypropylence Sheet is connected by zipper seal.
Described both sides, gas-filled cavity top, two bottom sides are equipped with slide fastener, respectively with the top being located at gas-filled cavity both sides
Portion's transparent plastic cloth, bottom black Polypropylence Sheet are connected by slide fastener；Adjacent grappling Polypropylence Sheet is connected by zipper seal.
Described transparent plastic cloth mid portion is mesh openings, and aperture opening ratio is 15～25%；The black plastic cloth of bottom
Mid portion be mesh openings, aperture opening ratio is 25～35%；
A width of 0.5～1 meter of gas-filled cavity, height is 2～6 meters after being inflated.
Described independently installed unit is surrounded by four gas-filled cavity and forms, independently installed unit spliced become inflated type structure
Make, be covered on the region containing Organic substance contaminated soil/subsoil water；
The height increasing gas-filled cavity can effectively increase the cross-ventilation in inflated type structure.
The bottom of described gas-filled cavity and the bottom plastic cloth of each independently installed unit are black, gas-filled cavity
Top is air-locked overlay, and the transparent plastic cloth at independently installed unit top is half ventilative overlay；
The inflated type being made up of independently installed unit spliced is configured to utilize greenhouse effect to reach structure inner air
Heat；Whole structure is above the ground level, air flowing upwards in it.
A kind of construction method of the original position soil prosthetic device utilizing solar energy, including following operation:
1) delimit the scope of installation according to the region polluted, fitting limit should exceed Polluted area；
2) from the beginning of fitting limit corner, install and surround the gas-filled cavity constituting an independently installed unit, so
Rear respectively the black plastic cloth with open mesh is connected with the bottom of gas-filled cavity, with the transparent plastic cloth of open mesh
It is connected with the top of gas-filled cavity；And the transparent plastic cloth of adjacent independently installed unit, black plastic cloth respectively with inflatable chamber
Body is connected；
Gas-filled cavity top outside fitting limit connects grappling Polypropylence Sheet, and additionally both sides connect adjacent installation unit
Air-permeable plastic film and black plastic cloth；
3) gas-filled cavity of independently installed unit is inflated, after inflation reaches predeterminated position, then by itself and ground
Connected by static line grappling, be fixed on predetermined installation site；
4) gas-filled cavity of adjacent independently installed unit is connected to transparent plastic cloth, the black plastic cloth laid,
Then will be connected with grappling Polypropylence Sheet towards the gas-filled cavity in outside, then gas-filled cavity is inflated, and with by itself and ground
Connected by static line grappling；
5) repeat the above steps installs remaining independently installed unit, moulds until all aerated film, air-permeable plastic film, grappling
Material cloth installs, and adjacent grappling Polypropylence Sheet passes through zipper seal, excavates grappling trench in fitting limit surrounding, and grappling is moulded
Material cloth is anchored in trench and backfills soil and compacting.
Described multiple independently installed unit starts simultaneously at installation；
Or, when delimiting the scope installed, outside beyond its scope 1 meter, excavate grappling trench, thus limit be installed
Backfill trench when of edge unit simultaneously and fix grappling Polypropylence Sheet.
When described gas-filled cavity is connected with ground grappling by static line, static line one end and gas-filled cavity middle part
Connecting, the other end is fixedly connected with the ground；
Described both sides, gas-filled cavity top, two bottom sides are equipped with slide fastener, top transparent Polypropylence Sheet, bottom black plastics
Cloth is coupled by slide fastener respectively.
Compared with prior art, the present invention has a following useful technique effect:
1) present invention need not excavate contaminated soil, it is only necessary to builds whole device outside Polluted area and inflates formation and fill
Gas formula constructs, and can realize the in-situ immobilization to contaminated soil, thus be substantially reduced cost.
2) present invention utilizes the inflated type structure building formation, and the top of this structure is transparent and bottom is black, therefore
Can maximized absorption solar energy, and to structure in air heating.Based on " stack effect " in structure and structure top
End horizontal gas flow " Bernoulli effect " that cause, forms air-flow upwards in structure, and drives in thin solum air-flow upwards,
Thus cause the alternate nonequilibrium state of organic contaminants in soil to migrate, and shallow underground organic pollutants is to SOIL GAS
In diffusion.This system is combined with convection current and the disperse migration of organic pollutants, and makes full use of solar energy and atm difference energy, right
Pollutant in soil and phreatic water are effectively removed, and need not install extraction well, and a large amount of saving fills well expense.
3) present invention set-up time is short, and form of construction work is simple, and the on-the-spot amount of labour used is little, man power and material's low cost.
4) parts of the present invention can be with a large amount of productions of scale, low cost of manufacture.
5) spatial distribution of the independently installed unit of the present invention can be with flexible arrangement, such that it is able to for difform dirt
Dye region effectively configures.
6) each independently installed unit is built, even if there being an inflatable chamber owing to employing multiple independent gas-filled cavity
Body drain gas, nor affects on the effect of whole installation unit.Even if additionally, some independently installed element failure, not interfering with yet
The effectiveness of other independently installed unit.
7) native system is to the heating of near surface and the effect that preserves steam, it is possible to effectively strengthen the life of this region microorganism
Long, and organic biodegradation；Organic pollution more effectively can also be degraded in the environment of liter gentle strengthening illumination.
8) present invention is without energising, can save electric energy in a large number and set up the expense of circuit facility.
9) present invention pollution to phreatic water can be also carried out appropriateness reparation while repairing polluted soil
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the planar structure schematic diagram of the present invention；
Fig. 3 is the structural representation of the independently installed unit of the present invention；
Fig. 4 is that the periphery grappling of the present invention seals schematic diagram；
Fig. 5 is gas flowing (convection current) schematic diagram that greenhouse effect, stack effect and Bernoulli effect cause；
Fig. 6 is stack effect schematic diagram；
Fig. 7 is stack effect and Bernoulli effect compares；
Fig. 8-1 is the pollutant removal schematic diagram caused without disperse in the case of convection current；
Fig. 8-2 is the pollutant removal schematic diagram that convection current+disperse causes.
Wherein, 1 is gas-filled cavity；2 is the black plastic cloth with mesh openings；3 for mould with the transparent of mesh openings
Material cloth；4 is grappling Polypropylence Sheet, and 5 is grappling trench；6 is the soil/subsoil water containing organic pollutant；7 is independently installed list
Unit；8 is valve, and 9 is static line；10 first slide fasteners；11 is the second slide fastener；12 is backfill soil；Δ P1 is stack effect, and Δ P2 is
Bernoulli effect.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, described in be explanation of the invention and
It not to limit.
A kind of original position soil prosthetic device utilizing solar energy, is spliced to form by multiple independently installed unit 7, whole device
Closely face is divided into black；Described independently installed unit 7 includes the gas-filled cavity 1 surrounded, gas-filled cavity 1 and ground grappling
Connect, bottom gas-filled cavity 1 be layed in ground and the black plastic cloth 2 with mesh openings is connected, top and with net
The transparent plastic cloth 3 of lattice opening is connected；
Two adjacent independently installed unit 7 share inflated type cavity 1, being additionally provided with towards outside of the gas-filled cavity of outer most edge
Grappling Polypropylence Sheet 4, grappling Polypropylence Sheet 4 one end is connected with the top of gas-filled cavity 1, and the other end is connected with ground grappling.
Described gas-filled cavity 1 is connected with ground grappling by static line 9, static line 9 one end and gas-filled cavity pars intermedia
Position connects, and one end is fixedly connected with the ground；Gas-filled cavity 1 is provided with the valve 8 of inflation/aerofluxus in the part near ground.
Described grappling Polypropylence Sheet with the connection on ground is: one end embedment distance outermost inflatable chamber of grappling Polypropylence Sheet 4
In the grappling trench 5 that body is more than 1 meter.
Concrete, this system is made up of multiple independently installed units.Each installation unit includes: gas-filled cavity, black are saturating
Gas plastic foil, transparent air-permeable plastic foil and static line.The installation unit being positioned at whole system edge also includes grappling plastic foil
With the trench for grappling.After whole system installation, above contaminated soil or pollution phreatic water, constitute one
Individual large-scale inflated type structure.
Described transparent plastic cloth mid portion is mesh openings, and aperture opening ratio is 15～25%；The black plastic cloth of bottom
Mid portion be mesh openings, aperture opening ratio is 25～35%；
A width of 0.5～1 meter of gas-filled cavity, height is 2～6 meters after being inflated.
As it is shown in figure 1, utilize the original position soil prosthetic device of solar energy, it is directly installed on the soil containing organic pollution
Above earth/subsoil water.Lay the black plastic cloth with mesh openings on the ground, be mainly used in absorbing sunlight heat.Black
Polypropylence Sheet is isolated into multiple independently installed unit by the cavity of inflated type, uses transparent plastic cloth to be connected above inflated type cavity.
Also mesh openings is had to breathe freely on these transparent plastic cloths.In the surrounding of Polluted area, excavate a trench, use airtight
Polypropylence Sheet connect the top of gas-filled cavity and the bottom of trench, such that it is able to effectively avoid preferentially flowing the impact on system.
Floor map as shown in Figure 2, this original position soil restoring device is made up of, often the little tetragonal structure of multiple independences
Individual tetragonal structure can be counted as an independently installed unit.Each independently installed unit includes 4 inflated type cavitys, but
Being that adjacent two installation unit shares an inflated type cavity, the inflated type number of cavities of average each installation unit exists
Between 2～3.
Fig. 3 illustrates the details of an independently installed unit, and the transparent plastic cloth mid portion at top is latticed opening,
Its aperture opening ratio is about 20%, and the peripheral part of this Polypropylence Sheet is disposed with four slide fasteners, and one, every limit, by slide fastener and inflatable chamber
Body top is connected.Gas-filled cavity is wide is about 0.5～1 meter, and after being inflated, height is 2～6 meters.
Two slide fasteners, wherein the first slide fastener 10 and the top transparent Polypropylence Sheet of this installation unit are arranged at each gas-filled cavity top
Being connected, the second slide fastener 11 is for being connected with the top transparent Polypropylence Sheet of the independently installed unit of periphery or grappling Polypropylence Sheet.Often
Individual gas-filled cavity has a plurality of static line 9, can anchor to ground, and gas-filled cavity has the dual-purpose valve filling aerofluxus near the position on ground
Door 8.
Similar with the transparent plastic cloth at top, the black plastic cloth of bottom be also mid portion be latticed opening, it is opened
Mouth rate is about 30%, and the peripheral part of this Polypropylence Sheet is disposed with four slide fasteners, one, every limit, is connected with bottom gas-filled cavity.
Having two slide fasteners bottom each gas-filled cavity, wherein a slide fastener is connected, additionally with the bottom black Polypropylence Sheet of this installation unit
Article one, slide fastener is for being connected with the independently installed unit of periphery.
As shown in Figure 4, the gas-filled cavity in the outside of corresponding with Polluted area outer most edge independently installed unit and one
Air-locked grappling Polypropylence Sheet is connected.These grappling plastics are furnished with dual function, are on the one hand that whole structure is fixed on original place,
On the other hand it is that the side to structure seals, thus the gas ordering about entrance structure can only be SOIL GAS rather than periphery
The preferential stream of air.The distance of grappling trench and gas-filled cavity should be more than 1 meter, and the width of trench is about 0.3 meter, and the degree of depth is about
It it is 0.5 meter.
The installation of native system should be carried out according to shown structure flow process.The first step is for preparing construction material and apparatus；Root
Delimit the scope of installation according to the region polluted, fitting limit should exceed Polluted area scope (＞ 1 meter), to guarantee effectiveness；
Second step is from the beginning of fitting limit corner, and all parts installing an independently installed unit (includes four inflations
Cavity), and the transparent plastic cloth of adjacent cells, black plastic cloth and grappling Polypropylence Sheet are connected；Outside fitting limit
Two sides connect grappling Polypropylence Sheet, additionally both sides connect the air-permeable plastic film of adjacent installation unit and black plastic cloth；3rd step
It is that the gas-filled cavity to this independently installed unit is inflated and fixing；Four inflatable chambers of first installation unit are carried out
Inflation, after inflation reaches predeterminated position, uses static line that inflatable chamber is fixed on predetermined installation site；4th step is installed adjacent
Installation unit (each unit includes three gas-filled cavity)；It is connected to place by three gas-filled cavity of adjacent installation unit
Air-permeable plastic film, afterwards by these gas-filled cavity be connected grappling Polypropylence Sheet and air-permeable plastic film install, afterwards to three
Gas-filled cavity is inflated, and fixes with static line；5th step is all independently installed list that repeat the above steps installs other
Unit, until all aerated film, air-permeable plastic film, grappling Polypropylence Sheet install, adjacent grappling Polypropylence Sheet zipper seal, installing
Scope surrounding excavates grappling ditch, and finally, grappling Polypropylence Sheet is anchored in trench and is backfilled soil and compacting.
Or, described multiple independently installed unit starts simultaneously at installation；
Or, when delimiting the scope installed, outside beyond its scope 1 meter, excavate grappling trench, thus limit be installed
Backfill trench when of edge unit simultaneously and fix grappling Polypropylence Sheet.
As it is shown in figure 5, the resultant effect that present invention utilizes greenhouse effect, stack effect, and Bernoulli effect is made
The cross-ventilation become reaches the purpose repaired.The wherein bottom of gas-filled cavity and the bottom plastic cloth of each independently installed unit
It is all black, such that it is able to effectively absorb solar energy to be converted to heat energy.The top of gas-filled cavity is air-locked transparent plastic
Film, and installation unit center top is half ventilative overlay, therefore whole system can utilize greenhouse effect to reach right
Air within Gou Zao carries out the purpose heated.Air themperature within structure, higher than the temperature of outside atmosphere, causes cigarette
Chimney effect (Δ P1) so that air floats.Additionally, whole structure is above the ground level, therefore the wind speed at top is very fast, due to Bernoulli Jacob
Effect, a vacuum effect (Δ P2) can be caused, can promote further structure in air flowing upwards.
Fig. 6 has carried out further explaination to stack effect.Outside the structure of the present invention, owing to temperature is relatively low, air
Density bigger, therefore the gradient of air pressure is the biggest；In the inside of structure, owing to temperature is higher, the density of air is less, therefore
The gradient of air pressure is the least.Accordingly, the eminence in structure, internal pressure is more than external pressure, and therefore air draught is from interior
Outwards；Lower in structure, internal pressure is less than external pressure, and therefore air-flow is in subsurface (SOIL GAS) entrance system.
As it is shown in fig. 7, the air mass flow that Bernoulli effect causes becomes logarithmic relationship with the height of structure, and stack effect is made
The air mass flow become becomes radical sign relation with the height of structure, and the height therefore increasing gas-filled cavity can effectively increase air pair
Stream.
Fig. 8-1, the operation principle of-2 couples of present invention of Fig. 8 have done further explaination.In its natural state, organic pollution
In SOIL GAS concentration distribution linear with the degree of depth, dispersion pollute the removal of thing, its removal rate with
C0/Z0It is directly proportional.Under the influence of the prosthetic device of the present invention, organic pollution carries out alternate non-flat in soil porous media
Migration under weighing apparatus state, organic pollution concentration in SOIL GAS becomes non-linear relation, disperse and convection action simultaneously with the degree of depth
Pollute the removal of thing, the removal rate of pollutant and C0/(Z0-Z1) be directly proportional, it is far longer than the pollutant under naturalness
Removal efficiency.
Except being removed organic pollution by convection current and disperse, the present invention is also equipped with following functions: 1) at near-earth
The region in face, can increase the moisture content in soil and the soil moisture such that it is able to strengthen the activity of microorganism, promotes microorganism
Ira situ degradation to organic pollution；2) internal at system structure, temperature raises, due to the refraction action of gas-filled cavity, the sun
Light intensity is also reinforced, such that it is able to the light thermal degradation of strengthening organic pollution.
Example given above is to realize the present invention preferably example, the invention is not restricted to above-described embodiment.This area
Technical staff made according to the technical characteristic of technical solution of the present invention any nonessential interpolation, replacement, belong to this
The protection domain of invention.
Claims (10)
1. the original position soil prosthetic device utilizing solar energy, it is characterised in that be made up of multiple independently installed unit spliceds,
Whole device closely face is divided into black；Described independently installed unit includes the gas-filled cavity surrounded, gas-filled cavity and ground
Face grappling connects, bottom gas-filled cavity be layed in ground and the black plastic cloth with mesh openings is connected, top and band
The transparent plastic cloth having mesh openings is connected；
Two adjacent independently installed unit share inflated type cavity, being additionally provided with grappling towards outside and mould of the gas-filled cavity of outer most edge
Material cloth, grappling Polypropylence Sheet one end is connected with the top of gas-filled cavity, and the other end is connected with ground grappling.
Utilize the original position soil prosthetic device of solar energy the most as claimed in claim 1, it is characterised in that described gas-filled cavity
Being connected with ground grappling by static line, static line one end is connected with gas-filled cavity middle part, and one end is fixedly connected with the ground；
Gas-filled cavity is provided with the valve of inflation/aerofluxus in the part near ground.
Utilize the original position soil prosthetic device of solar energy the most as claimed in claim 1, it is characterised in that described grappling plastics
Cloth with the connection on ground is: in the grappling trench that one end embedment distance outermost gas-filled cavity of grappling Polypropylence Sheet is more than 1 meter；
Described grappling Polypropylence Sheet is air-locked Polypropylence Sheet, and adjacent grappling Polypropylence Sheet is connected by zipper seal.
Utilize the original position soil prosthetic device of solar energy the most as claimed in claim 1, it is characterised in that described gas-filled cavity
Both sides, top, two bottom sides are equipped with slide fastener, respectively be located at the top transparent Polypropylence Sheet of gas-filled cavity both sides, bottom black is moulded
Material cloth is connected by slide fastener.
Utilize the original position soil prosthetic device of solar energy the most as claimed in claim 1, it is characterised in that described transparent plastic
Cloth mid portion is mesh openings, and aperture opening ratio is 15～25%；The mid portion of the black plastic cloth of bottom is mesh openings, opens
Mouth rate is 25～35%；
A width of 0.5～1 meter of gas-filled cavity, height is 2～6 meters after being inflated.
6. the original position soil prosthetic device utilizing solar energy as described in claim 1 or 5, it is characterised in that described independence
Installation unit is surrounded by four gas-filled cavity and forms, independently installed unit spliced become inflated type to construct, be covered in containing Organic substance
On the region of contaminated soil/subsoil water；
The height increasing gas-filled cavity can effectively increase the cross-ventilation in inflated type structure.
Utilize the original position soil prosthetic device of solar energy the most as claimed in claim 1, it is characterised in that described gas-filled cavity
Bottom and the bottom plastic cloth of each independently installed unit be black, the top of gas-filled cavity is air-locked transparent plastic
Film, and the transparent plastic cloth at independently installed unit top is half ventilative overlay；
The inflated type being made up of independently installed unit spliced is configured to utilize greenhouse effect to reach structure inner air to be carried out
Heating；Whole structure is above the ground level, air flowing upwards in it.
8. the construction method of the original position soil prosthetic device utilizing solar energy, it is characterised in that include following operation:
1) delimit the scope of installation according to the region polluted, fitting limit should exceed Polluted area；
2) from the beginning of fitting limit corner, install and surround the gas-filled cavity constituting an independently installed unit, then divide
The black plastic cloth with open mesh is not connected with the bottom of gas-filled cavity, with open mesh transparent plastic cloth with fill
The top of air cavity connects；And the transparent plastic cloth of adjacent independently installed unit, black plastic cloth respectively with gas-filled cavity phase
Connect；
Gas-filled cavity top outside fitting limit connects grappling Polypropylence Sheet, and additionally both sides connect the saturating of adjacent installation unit
Gas plastic foil and black plastic cloth；
3) gas-filled cavity of independently installed unit is inflated, after inflation reaches predeterminated position, then it is passed through with ground
Static line grappling connects, and is fixed on predetermined installation site；
4) gas-filled cavity of adjacent independently installed unit is connected to transparent plastic cloth, the black plastic cloth laid, then
To be connected with grappling Polypropylence Sheet towards the gas-filled cavity in outside, then gas-filled cavity is inflated, and pass through with ground with by it
Static line grappling connects；
5) repeat the above steps installs remaining independently installed unit, until all aerated film, air-permeable plastic film, grappling Polypropylence Sheet
Installing, adjacent grappling Polypropylence Sheet passes through zipper seal, excavates grappling trench in fitting limit surrounding, and by grappling Polypropylence Sheet
It is anchored in trench and backfills soil and compacting.
Utilize the construction method of the original position soil prosthetic device of solar energy the most as claimed in claim 8, it is characterised in that described
Multiple independently installed unit start simultaneously at installation；
Or, when delimiting the scope installed, outside beyond its scope 1 meter, excavate grappling trench, thus edge list be installed
Backfill trench when of unit simultaneously and fix grappling Polypropylence Sheet.
Utilize the construction method of the original position soil prosthetic device of solar energy the most as claimed in claim 8, it is characterised in that institute
When the gas-filled cavity stated is connected with ground grappling by static line, static line one end is connected with gas-filled cavity middle part, another
End is fixedly connected with the ground；
Described both sides, gas-filled cavity top, two bottom sides are equipped with slide fastener, and top transparent Polypropylence Sheet, bottom black Polypropylence Sheet divide
Not Tong Guo slide fastener coupled.
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| CN106216372B (en) | 2019-02-22 |
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