CN205926583U - Categorised repair structure that synthesizes of normal position soil layer - Google Patents

Abstract

The utility model relates to an ecological field especially relates to categorised restoration method and the structure of synthesizing of normal position soil layer. It is interior with in the cylindrical chemical reaction reagent pipe network lattice point form distribution implantation soil heavily to pollute irrigation canals and ditches, the chemical reagent pipe is porose, with holistic soil regional divide attach most importance to pollute soil regional with gently pollute the soil region, heavily pollute soil regional with gently pollute the soil region on carry out soil enrichment purification well plant separately. Beneficial effect: (1 )It for local heavy pollution remediation, reduces the engineering cost by a wide margin and uses to change comprehensive heavy pollution remediation. (2 )It can reach the prosthetic target of soil in advance gently to pollute the location. Make large tracts of land soil obtain in advance restoreing. (3 )The comprehensive repair technology who heavily pollutes irrigation canals and ditches improves repair effect, shortens the restoration cycle.

Description

Original position soil hierarchical classification comprehensive repair structure

Technical field

The utility model is related to field of ecology, more particularly, to original position soil hierarchical classification comprehensive repair structure.

Background technology

Soil remediation is the technical measures making to suffer from contaminated soil to recover normal function, is using physics, chemistry and life The method transfer of thing, the pollutant absorbing, dropping in main technical principle solution and conversion soil are so as to concentration is reduced to acceptable water Flat, or poisonous and hazardous pollutant is converted into harmless material.Basically, the know-why of contaminated soil remediation can be wrapped Include for:(1) change existing forms in soil for the pollutant or the combination with soil, reduce its in the environment transportable Property and bioavailability;(2) reduce the concentration of harmful substance in soil.In soil remediation industry, existing soil remediation skill Art reaches kind more than 100, and common technology also has kind more than ten, is broadly divided into physics, chemistry and biological three kinds of methods.20th century 80 Since age, particularly developed country of many countries all formulates and has carried out contaminated soil and administers and rehabilitation plan in the world, because This also form an emerging soil remediation industry.Developed country, with Holland as model, uses for reference its soil remediation intervention policy Carry out remediation contaminated soil, be divided into " in-situ immobilization " and " showering ".In-situ immobilization refers to close in dense population areas and building Ji Qu is repaired in contaminated soil original place, and strange land is repaired and referred to contaminated soil through screening, and fine grained is contained polluter Many soil outward transport landfills, the method to eliminate pollution for the pollution-free soil more renewing.

Conventional recovery technique has：（1）Thermodynamics recovery technique, the organic matter realized with various heating means in soil is waved Send out, realize the reparation of contaminated soil.（2）Burning method, contaminated soil is burned in incinerator, makes the harmful substance of HMW Volatility and half volatile, resolving into low molecular flue gas makes flue gas reach discharge mark through dedusting, cooling and purified treatment Accurate.

（3）Land fill, mud is manured into soil by fertilising, irrigates, adds stone as a kind of mud by waste Nutrition, humidity and pH value that the modes such as ash adjust soil keep pollutant in the aerobic degradation of topsoil.Native for using Earth acidometer detection soil ph value and humidity, count detection soil EC value with soil EC, check reclamation result.（4）Chemistry drenches Wash, under gravity or pass through by the chemical/biological chemical solvent that can promote pollutant dissolving or migration in soil environment Head pressure forces leacheate is injected in contaminated soil layer, then the solution containing pollutant is extracted from soil again Come, carry out separating the technology with sewage disposal.（5）Composting process, using traditional compost method, piles up contaminated soil, will pollute Thing and organic matter, straw, wheat straw, chips and bark etc., excrement etc. mix, and rely on the microbial action in composting process Organic pollution come difficult degradation in soil of degrading.（6）Phytoremediation, improves soil with agricultural technology unfavorable to plant growth Chemically and physically aspect restrictive condition, be allowed to be suitable to plant, and straight by planting preferred plant and its rhizosphere microorganism Connect or indirectly absorb, volatilization, separate, degradation of contaminant, restoration and reconstruction natural ecological environment and vegetation landscape.（7）It is biological prosthetic, Using biology, particularly microbial catalyzed degradation organic pollution, thus repairing contaminated environment or eliminating pollutant in environment A controlled or spontaneous process carrying out.

In practice, the feature according to contaminated soil, often carries out the comprehensive regulation using two or more recovery techniques.Mesh The problems such as front soil remediation generally existing working procedure is complicated, rehabilitation cost is high, repair time is long.

Utility model content

The purpose of utility model：In order to provide a kind of effect more preferable original position soil hierarchical classification method for comprehensive repairing and knot Structure, specific purposes are shown in the multiple substantial technological effects being embodied as part.

In order to reach as above purpose, the utility model adopts the following technical scheme that：

Scheme one：

Original position soil hierarchical classification method for comprehensive repairing it is characterised in that comprising the steps of, side open relatively every From heavily contaminated soil irrigation canals and ditches, light contaminated soil below is removed, by the heavily contaminated soil horizon in the figure layer of adjacent area Plane leaves, and the heavily contaminated soil horizon mixing that the heavily contaminated soil in script irrigation canals and ditches and adjacent area plane are opened is placed on heavily contaminated soil In irrigation canals and ditches, the light contaminated soil mixing of the light contaminated soil taking out and neighboring region is placed, by column in heavily contaminated irrigation canals and ditches In chemical reaction reagent pipe network lattice spot distribution implantation soil, described chemical reagent Guan Youkong；Overall soil region is divided into Heavily contaminated soil region and light contaminated soil region, plant in each leisure on heavily contaminated soil region and light contaminated soil region Carry out soil enrichment purification.

The further technical scheme of the utility model is, is also included in the step being mixed into soil improvement bacterium in soil.

The further technical scheme of the utility model is, is also included in setting gas tube inside soil, soil inside is filled The step of gas.

The further technical scheme of the utility model is, also comprises wet to the change of soil private water supply by water pipe with holes The step of degree.

Scheme two：

It is characterised in that comprising heavily contaminated soil irrigation canals and ditches, it passes through antiseepage to original position soil hierarchical classification comprehensive repair structure Layer and avris neighboring region are separated, and overall structure is divided into heavily contaminated soil part and light contaminated soil part, also wraps The chemical reaction reagent pipe of the column containing insertion heavily contaminated soil part, described chemical reagent Guan Youkong；Heavily contaminated soil part Partly each above plant with light contaminated soil and be implanted with green plant.

The further technical scheme of the utility model is, the chemical reaction reagent pipe network lattice spot distribution implantation of described column In soil.

The further technical scheme of the utility model is, also comprises gas tube, and gas tube separates multiple is in charge of insertion chemistry In reaction reagent pipe.

The further technical scheme of the utility model is, also comprises drainpipe and feed pipe, and the two connection is arranged in weight dirt In dye soil, drainpipe and feed pipe comprise hole, water supply tube end connects water pump.

Using the utility model of as above technical scheme, have the advantages that with respect to prior art：（1）Change and weigh comprehensively Pollution amelioration is repaired for local heavily contaminated, and engineering cost is greatly lowered.（2）Light pollution location can reach soil remediation in advance Target.Large area soil is repaired in advance.（3）The comprehensive repair technology of heavily contaminated irrigation canals and ditches improves repairing effect, shortens Repairing efficiency.

Brief description

In order to further illustrate the utility model, it is further illustrated below in conjunction with the accompanying drawings：

Fig. 1 is soil remediation plan；

Fig. 2 is soil remediation profile；

Fig. 3 is universal soll hierarchical diagram；

Fig. 4 is soil sanitation generalized section；

Wherein：1. impervious barrier；2. gas tube；3. chemical reagent pipe；4. heavily contaminated soil；5. light contaminated soil；6. draining Pipe；7. feed pipe；8. pollution-free soil；9. plant.

Specific embodiment

Below in conjunction with the accompanying drawings embodiment of the present utility model is illustrated, embodiment is not constituted to limit of the present utility model System：

Scheme one：

Original position soil hierarchical classification method for comprehensive repairing it is characterised in that comprising the steps of, side open relatively every From heavily contaminated soil irrigation canals and ditches, light contaminated soil below is removed, by the heavily contaminated soil horizon in the figure layer of adjacent area Plane leaves, and the heavily contaminated soil horizon mixing that the heavily contaminated soil in script irrigation canals and ditches and adjacent area plane are opened is placed on heavily contaminated soil In irrigation canals and ditches, the light contaminated soil mixing of the light contaminated soil taking out and neighboring region is placed, by column in heavily contaminated irrigation canals and ditches In chemical reaction reagent pipe network lattice spot distribution implantation soil, described chemical reagent Guan Youkong；Overall soil region is divided into Heavily contaminated soil region and light contaminated soil region, plant in each leisure on heavily contaminated soil region and light contaminated soil region Carry out soil enrichment purification.The technique effect of the essence that the technical scheme at this place is played and its process of realizing are as follows：In order to Overcome the shortcomings of that existing contaminated soil in-situ immobilization comprehensive reparing process complexity, cost in whole pollution range are high, this practicality A kind of classification of soils of new offer processes engineering technology, and this technology, according to the degree of contaminated soil, contaminated soil is divided into weight dirt Dye layer and light pollution layer, both soil layers are carried out exchanging respectively displacement, form heavily contaminated irrigation canals and ditches location and light pollution location, point Do not processed using different soil remediation measures, solved rehabilitation cost height, the problem of repair time length.

The utility model solves its technical problem and be employed technical scheme comprise that：Technological means includes, and contaminated soil is in situ Classification fill out put, heavily contaminated soil remediation and the main reparing process of three kinds of light contaminated soil remediation.The irrigation canals and ditches of counterweight contaminated soil enter Row chemistry, biological and comprehensive plant improvement method are administered, and carry out soil to light pollution location with plant and biological renovation method Repair, the purpose process, improve repairing effect, reducing contaminated soil remediation cost to reach classification.Contaminated soil is classified in situ Fill out and put：Through mensure contaminated soil be layered as serious pollution, slight pollution and pollution-free two layers, by heavily contaminated soil concentrate In special ditch, the light contaminated soil in this ditch is backfilling into and closes on the location peelling off heavily contaminated layer, accurately calculate two Plant the volume of contaminated soil, reach earthwork balance after backfill.Heavily contaminated soil remediation：The irrigation canals and ditches of counterweight contaminated soil Learn, biological and comprehensive plant improvement method is administered, by column chemical reaction reagent pipe（There is hole）Grid spot distribution is implanted Carry out soil chemistry reaction, the chemical change of routine test soil in soil, till up to standard, and be mixed into soil in soil Improvement bacterium, harmful substance in topsoil planting plants rich absorbent soil.Light contaminated soil remediation：Only with soil It is mixed into soil improvement bacterium, the technology of harmful substance carries out soil remediation in topsoil planting plants rich absorbent soil.

The beneficial effects of the utility model are,（1）Changing comprehensive heavily contaminated reparation is local heavily contaminated reparation, is greatly lowered Engineering cost.（2）Light pollution location can reach the target of soil remediation in advance.Large area soil is repaired in advance.（3） The comprehensive repair technology of heavily contaminated irrigation canals and ditches improves repairing effect, shortens repairing efficiency.

As preferred technical scheme, also it is included in the step being mixed into soil improvement bacterium in soil.Also it is included in soil The inside setting gas tube, the step to soil inner inflatable.Also comprise wet to the change of soil private water supply by water pipe with holes The step of degree.

Scheme two：

It is characterised in that comprising heavily contaminated soil irrigation canals and ditches, it passes through antiseepage to original position soil hierarchical classification comprehensive repair structure Layer and avris neighboring region are separated, and overall structure is divided into heavily contaminated soil part and light contaminated soil part, also wraps The chemical reaction reagent pipe of the column containing insertion heavily contaminated soil part, described chemical reagent Guan Youkong；Heavily contaminated soil part Partly each above plant with light contaminated soil and be implanted with green plant.The chemical reaction reagent pipe network lattice spot distribution implantation soil of described column In.Also comprise gas tube, gas tube separates multiple being in charge of in insertion chemistry reaction reagent pipe.Also comprise drainpipe and feed pipe, The two connection is arranged in heavily contaminated soil, and drainpipe and feed pipe comprise hole, and water supply tube end connects water pump.Gas tube is Oxygen is provided.By column chemical reaction reagent pipe in heavily contaminated irrigation canals and ditches（There is hole）Carry out in grid spot distribution implantation soil Soil chemistry is reacted, the chemical change of routine test soil, installs oxygen hose in chemical reagent pipe, accelerates chemical reaction.Weight is dirty Dye irrigation canals and ditches both sides and bottom geotextiles etc. impervious barrier and other soil isolation, carry out what chemistry, biology and comprehensive plant were administered Method is administered, and is mixed into soil improvement bacterium in soil, harmful substance in topsoil planting plants rich absorbent soil, and Setting feed pipe and drainpipe in dog area, adjustment soil moisture, accelerate chemical reaction；Light contaminated soil remediation location is using soil It is mixed into soil improvement bacterium, the technology of harmful substance carries out soil and repaiies in topsoil planting plants rich absorbent soil in earth Multiple.Plant has nuisance in the Phytoextraction soil of rich absorbent effect according to the plantation of soil contaminant feature.

It should be noted that：

Using this kind of structure, soil can be carried out with multidomain treat-ment, when original soil treatment, heavily contaminated soil, Light contaminated soil and pollution-free soil are regardless of causing medicament and waste.

《Standard of soil environment quality》In have related division of heavily contaminated soil, light contaminated soil and pollution-free soil will Ask.

In a creative way, each effect above is individually present moreover it is possible to complete the combination of the above results with a nested structure.

It is clear that the technique effect that above structure is realized is realized, and discounting for additional technical scheme, this patent title is also It can be a kind of soil remediation structure.

In figure not shown part details.

It should be noted that multiple schemes that this patent provides comprise the basic scheme of itself, separate, not mutually Restriction, but it can also be mutually combined in the case of not conflicting, and reach multiple effects and jointly realize.

Of the present utility model general principle, principal character and of the present utility model advantage have been shown and described above.Ability The technical staff in domain it should be recognized that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Principle of the present utility model is simply described, on the premise of without departing from the utility model spirit and scope, the utility model also can There are various changes and modifications, these changes and improvements both fall within claimed scope.

Claims (4)

1. it is characterised in that comprising heavily contaminated soil irrigation canals and ditches, it passes through impervious barrier to original position soil hierarchical classification comprehensive repair structure Separate with avris neighboring region, overall structure is divided into heavily contaminated soil part and light contaminated soil part, also comprises The chemical reaction reagent pipe of the column of insertion heavily contaminated soil part, described chemical reagent Guan Youkong；Heavily contaminated soil part and Light contaminated soil is partly each above planted and is implanted with green plant.

2. original position soil hierarchical classification comprehensive repair structure as claimed in claim 1 is it is characterised in that the chemistry of described column In reaction reagent pipe network lattice spot distribution implantation soil.

3. original position soil hierarchical classification comprehensive repair structure as claimed in claim 1 is it is characterised in that also comprise gas tube, Gas tube separates multiple being in charge of in insertion chemistry reaction reagent pipe.

4. original position soil hierarchical classification comprehensive repair structure as claimed in claim 1 it is characterised in that also comprise drainpipe and Feed pipe, the two connection is arranged in heavily contaminated soil, and drainpipe and feed pipe comprise hole, and water supply tube end connects water pump.