CN107691166A - The ecological recovery planting matrix and multiple method for green of refuse landfill sealing - Google Patents
The ecological recovery planting matrix and multiple method for green of refuse landfill sealing Download PDFInfo
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- CN107691166A CN107691166A CN201710972023.2A CN201710972023A CN107691166A CN 107691166 A CN107691166 A CN 107691166A CN 201710972023 A CN201710972023 A CN 201710972023A CN 107691166 A CN107691166 A CN 107691166A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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Abstract
The invention belongs to soil improvement and technology for recovering vegetation field, and in particular to the ecological recovery planting matrix and multiple method for green of a kind of refuse landfill sealing, the component and the percentage by weight of each component that the planting matrix includes are as follows：Planting soil 60 80%, sand 10 20%, organic fertilizer 3 6%, sludge 1.5 2.5%, water-loss reducer 1 2%, wood chip 1 2%, water 3 6% and composite fertilizer 0.5 1.5%.The ecological recovery planting matrix of refuse landfill sealing provided by the invention targetedly carries out soil improvement to growing environment complicated after refuse landfill sealing, is more beneficial for the growth of plant, can realize zoology green-recovery as early as possible；In addition, the proportioning science of planting matrix, pollution-free, emergence survival rate is high, and multiple green effect is good, and complex environment adversely affects to caused by plant growth after can effectively alleviating refuse landfill sealing；Each component feeding is convenient, and wood chip, sludge the like waste are added in planting matrix, realizes refuse reclamation, ecological, environmental protective；And proportioning is simple, has ease for operation.
Description
Technical field
The invention belongs to soil improvement and technology for recovering vegetation field, and in particular to a kind of ecology of refuse landfill sealing
Recover planting matrix and multiple method for green.
Background technology
At present, China's urban garbage disposal is based on sanitary landfills, if the soil after closing enters professional etiquette not in time
Draw and developed, it will waste soil, adverse condition, city life garbage landfill carries out ecological recovery pair after closing
The stabilization of local ecosystem, the sound development in city and the improvement of living environment have extremely important meaning.
According to《Sanitary Landfill closing technical regulation》CJJ 112-2007 relevant regulations, Closure cover system
System structure should be by junk-heap body surface to top surface order：Exhaust level, impervious barrier, drainage blanket, vegetable layer.Vegetable layer Ying Youying
Support vegetable layer and soil layer composition is supported in covering.The soil material of nutrition vegetable layer should be beneficial to vegetation growth, and thickness should be greater than 15cm.
Nutrition vegetable layer should be compacted.Covering supports soil layer to be made up of compacting soil layer, and infiltration coefficient should be greater than 1X10-4 cm/s, and thickness should
More than 45cm.《House refuse sanitary landfills Practical technical manual》11.2.4.5 vegetable layer requirement, nature soil should be used to add
Top layer Nutrition Soil, thickness should determine that the thickness of Nutrition Soil is not preferably less than 15cm according to the root system depth of planting plants.
The city refuse landfill land type special as one, have itself it is unavoidable limitation greening because
Son；Carbon dioxide and methane landfill gas, the leakage problems of city refuse landfill, city as caused by city refuse landfill
The factor such as the maintenance of refuse landfill plant, city refuse landfill soil depletion.
Part household refuse landfill sites closing nutrition vegetable layer carries out sanding the methods of adding peat soil, organic fertilizer to change
Good soil, the normal growth of plant is disclosure satisfy that substantially, but it is not targeted to the complicated growing environment of plant after closing
Ground is improved by soil.How refuse landfill sealing initial stage landfill gas, percolate, soil pollution, soil are alleviated
It is refuse landfill sealing that the factor such as nitrogen shortage, soil depletion, high temperature, arid adversely affects to caused by plant growth in earth
The problem of ecological recovery plant growth planting matrix needs emphasis to consider.
The content of the invention
In order to overcome above-mentioned the shortcomings of the prior art, the purpose of the present invention is to be directed to complexity after refuse landfill sealing
Growing environment carry out soil improvement, there is provided a kind of plantation that can meet refuse landfill sealing ecological recovery plant growth needs
Base and for the multiple green method of refuse landfill sealing, make multiple green as early as possible after Closure of landfill site.
To achieve the above object, a kind of ecological recovery planting matrix of refuse landfill sealing of offer of the invention, the plantation
The component and the percentage by weight of each component that base includes are as follows：Planting soil 60-80%, sand 10-20%, organic fertilizer 3-6%, sludge
1.5-2.5%, water-loss reducer 1-2%, wood chip 1-2%, water 3-6% and composite fertilizer 0.5-1.5%.
The component and the percentage by weight of each component included as one of embodiment, the planting matrix is as follows：Planting soil 60%,
Sand 20%, organic fertilizer 6%, sludge 2.5%, water-loss reducer 2%, wood chip 2%, water 6% and composite fertilizer 1.5%.
The component and the percentage by weight of each component included as one of embodiment, the planting matrix is as follows：Planting soil 65%,
Sand 18%, organic fertilizer 5%, sludge 2%, water-loss reducer 1%, wood chip 2%, water 6% and composite fertilizer 1%.
The component and the percentage by weight of each component included as one of embodiment, the planting matrix is as follows：The % of planting soil 70,
Sand 15%, organic fertilizer 6%, the % of sludge 2.5, the % of water-loss reducer 2, wood chip 1 %, the % of water 3 and composite fertilizer 0.5%.
The component and the percentage by weight of each component included as one of embodiment, the planting matrix is as follows：The % of planting soil 72,
Sand 14%, organic fertilizer 5%, the % of sludge 1.5, the % of water-loss reducer 1, wood chip 2 %, the % of water 3 and composite fertilizer 1.5%.
The component and the percentage by weight of each component included as one of embodiment, the planting matrix is as follows：The % of planting soil 75,
Sand 10%, organic fertilizer 4%, the % of sludge 2.5, the % of water-loss reducer 1, wood chip 1 %, the % of water 6 and composite fertilizer 0.5%.
The component and the percentage by weight of each component included as one of embodiment, the planting matrix is as follows：Planting soil 80%,
Sand 10%, organic fertilizer 3%, the % of sludge 1.5, the % of water-loss reducer 1, wood chip 1%, the % of water 3 and composite fertilizer 0.5%.
Present invention also offers a kind of multiple method for green of refuse landfill sealing, this method comprises the following steps：
1) construction of the conventional exhaust level of household refuse landfill sites closing, impervious barrier and drainage blanket is completed, and impervious barrier is positioned at row
The top of gas-bearing formation, drainage blanket are located at the top of exhaust level；
2) in drainage blanket upper berth handicapping root film, and soil layer is supported in covering on root resistance film；
3) and then soil layer overlying is being supported to cover the ecological recovery planting matrix stated as nutrition vegetable layer；
4) finally carry out planting on ecological recovery planting matrix and late maintaining management is carried out to plant.
Preferably, the support the thickness of the layer is 50cm.
Compared with prior art, beneficial effects of the present invention：
(1) the ecological recovery planting matrix of refuse landfill sealing provided by the invention targetedly to refuse landfill sealing after
Complicated growing environment carries out soil improvement, is more beneficial for the growth of plant, can realize zoology green-recovery as early as possible.
(2) the proportioning science of the ecological recovery planting matrix of refuse landfill sealing provided by the invention, pollution-free, emergence is deposited
Motility rate is high, and multiple green effect is good, and complex environment is unfavorable to caused by plant growth after can effectively alleviating refuse landfill sealing
Influence；
(3) each component feeding of the ecological recovery planting matrix of refuse landfill sealing provided by the invention is convenient, adds in planting matrix
Enter wood chip, sludge the like waste, realize refuse reclamation, ecological, environmental protective；And proportioning is simple, has ease for operation.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
All other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
The present invention provides a kind of ecological recovery planting matrix of refuse landfill sealing, the component and each group that the planting matrix includes
The percentage by weight divided is as follows：Planting soil 60-80%, sand 10-20%, organic fertilizer 3-6%, sludge 1.5-2.5%, water-loss reducer 1-
2%, wood chip 1-2%, water 3-6% and composite fertilizer 0.5-1.5%.The ecological recovery planting matrix of refuse landfill sealing provided by the invention
Soil improvement targetedly is carried out to growing environment complicated after refuse landfill sealing, is more beneficial for the growth of plant, energy
It is enough to realize zoology green-recovery as early as possible.
Planting soil requires that soil acid-base is moderate, and draining is good, loose fertile, without building and house refuse, and nonhazardous
Material.Planting soil physics and chemistry shape need is as follows：PH value 6.5-7.5, organic matter >=20g/Kg, the g/Kg of salt content≤1.0, quality
For loam, the mg/Kg of available nitrogen >=100, the mg/Kg of rapid available phosphorus >=20, the mg/Kg of available potassium >=140, unit weight≤1.20g/cm3,
Particle diameter≤1.0cm, content≤5.0%.
Organic fertilizer can use compost, make compost and organic commercial fertilizer.
Water-loss reducer is water-loss reducer of soil（Polyacrylamide）, it is known as plant micro reservoir, is a kind of unique three-dimensional netted knot
The organic high molecular polymer of structure.Rainwater or watering pours water can be absorbed and kept rapidly in soil, not permeable mistake, and then ensure root
Border scope moisture content is sufficient, slowly release utilizes for plant.
Composite fertilizer can use universal composite fertilizer, high nitrogen type composite fertilizer, more preferable using high nitrogen type composite fertilizer effect.
For initial stage of closing, landfill gas problem, wood chip is added in planting matrix, it is possible to reduce gas pickling；For envelope
In the initial soil of field the problems such as nitrogen shortage, soil depletion, organic fertilizer, sludge and composite fertilizer, Ke Yizeng are added in planting matrix
Add soil fertility；Sludge is added in planting matrix, increases retentiveness and water-retaining property, soil fertility, microbial activity and quantity；Pin
To the Arid Problem at initial stage that closes, water-loss reducer is added in planting matrix, water retention can be increased；Sand is added in planting matrix
Soil, soil water permeability can be increased.
In urban wastewater treatment firm processing procedure, a large amount of organic matters and N, P, K and micro member are contained in caused sludge
Element, therefore can be as a kind of organic top dressing of late effect property.
In addition, the proportioning science of the ecological recovery planting matrix of refuse landfill sealing provided by the invention, pollution-free, emergence
Survival rate is high, and multiple green effect is good, can effectively alleviate after refuse landfill sealing complex environment to caused by plant growth not
Profit influences；Each component feeding is convenient, and wood chip, sludge the like waste are added in planting matrix, realizes refuse reclamation, ecological, environmental protective；
And proportioning is simple, has ease for operation.
Present invention also offers a kind of multiple method for green of refuse landfill sealing, this method comprises the following steps：
1) construction of the conventional exhaust level of household refuse landfill sites closing, impervious barrier and drainage blanket is completed；Household refuse landfill sites
Closing is disposed with exhaust level, impervious barrier and drainage blanket from lower to upper；Exhaust level should use particle diameter as 25-50mm, guide
Good, the erosion-resisting coarse grain porous material of energy, infiltration coefficient should be greater than 1x10-2Cm/s, thickness are no less than 30cm, and gas is to sending
Preferably with the soil engineering composite drainage network with guide properties equivalent；Impervious barrier can be by geomembrane and compacted soil or geotechnique's polymerization clay
Pad composition composite seepage prevention structures, also can be used alone compacted soil layer；Drainage blanket top slope should use coarse grain or soil engineering drainage material
Material, side slope should use soil engineering composite drainage network, and coarse material thickness is no less than 30cm, and infiltration coefficient should be greater than 1x10-2cm/s；
2) root resistance film is laid, and the thick support soil layers of 50cm are covered on root resistance film；Root resistance film is arranged on drainage blanket, root resistance film
With excellent puncture resistant ability, most of root system of plant can be resisted, root resistance film have the excellent elasticity of good mechanical strength and
Power makes it be highly suitable for expansion or shrinkage basal plane；
3) and then soil layer overlying is being supported to cover the ecological recovery planting matrix stated as nutrition vegetable layer；
4) finally carry out planting on ecological recovery planting matrix and late maintaining management is carried out to plant.
It is green to be carried out again to refuse landfill sealing as nutrition vegetable layer using above-mentioned ecological recovery planting matrix, not only
Survival rate of emerging is high, and multiple green effect is good, and after can effectively alleviating refuse landfill sealing complex environment to plant growth
Caused by adverse effect.
The thickness of nutrition vegetable layer determines according to Plants Planning.In addition, appropriate is handled percolate, and
Thicker overburden layer, good methane exhaust system, the vegetation for filtering out strong stress resistance, easily managing and protecting and rational maintenance is rubbish
The key of rubbish landfill yard success planting.
Embodiment one
The component of the ecological recovery planting matrix of refuse landfill sealing is by weight percentage：60% planting soil, 20% sand, 2.5%
Sludge, 6% organic fertilizer, 2% water-loss reducer, 2% wood chip, 1.5% composite fertilizer, 6% water.
Using the present embodiment one provide ecological recovery planting matrix refuse landfill sealing is carried out again it is green, vegetation emergence deposits
Motility rate is higher, and multiple green effect is preferable.
Embodiment two
The component of the ecological recovery planting matrix of refuse landfill sealing is by weight percentage：65% planting soil, 18% sand, 2% is dirty
Mud, 5% organic fertilizer, 1% water-loss reducer, 2% wood chip, 1% composite fertilizer, 6% water.
Using the present embodiment two provide ecological recovery planting matrix refuse landfill sealing is carried out again it is green, vegetation emergence deposits
Motility rate is higher, and multiple green effect is preferable.
Embodiment three
The component of the ecological recovery planting matrix of refuse landfill sealing is by weight percentage：The % of planting soil 70, sand 15%, has
Machine fertilizer 6%, the % of sludge 2.5, the % of water-loss reducer 2, wood chip 1 %, the % of water 3 and composite fertilizer 0.5%.
Using the present embodiment three provide ecological recovery planting matrix refuse landfill sealing is carried out again it is green, vegetation emergence deposits
Motility rate is higher, and multiple green effect is preferable.
Example IV
The component of the ecological recovery planting matrix of refuse landfill sealing is by weight percentage：The % of planting soil 72, sand 14%, has
Machine fertilizer 5%, the % of sludge 1.5, the % of water-loss reducer 1, wood chip 2 %, the % of water 3 and composite fertilizer 1.5%.
Using the present embodiment four provide ecological recovery planting matrix refuse landfill sealing is carried out again it is green, vegetation emergence deposits
Motility rate is higher, and multiple green effect is preferable.
Embodiment five
The component of the ecological recovery planting matrix of refuse landfill sealing is by weight percentage：The % of planting soil 75, sand 10%, has
Machine fertilizer 4%, the % of sludge 2.5, the % of water-loss reducer 1, wood chip 1 %, the % of water 6 and composite fertilizer 0.5%.
Using the present embodiment five provide ecological recovery planting matrix refuse landfill sealing is carried out again it is green, vegetation emergence deposits
Motility rate is higher, and multiple green effect is preferable.
Embodiment six
The component of the ecological recovery planting matrix of refuse landfill sealing is by weight percentage：Planting soil 80%, sand 10%, has
Machine fertilizer 3%, the % of sludge 1.5, the % of water-loss reducer 1, wood chip 1%, the % of water 3 and composite fertilizer 0.5%.
Using the present embodiment six provide ecological recovery planting matrix refuse landfill sealing is carried out again it is green, vegetation emergence deposits
Motility rate is higher, and multiple green effect is preferable.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (9)
1. the ecological recovery planting matrix of refuse landfill sealing, it is characterised in that：Component that the planting matrix includes and each component
Percentage by weight is as follows：Planting soil 60-80%, sand 10-20%, organic fertilizer 3-6%, sludge 1.5-2.5%, water-loss reducer 1-2%, wood
Consider 1-2%, water 3-6% and composite fertilizer 0.5-1.5% to be worth doing.
2. the ecological recovery planting matrix of refuse landfill sealing as claimed in claim 1, it is characterised in that：The planting matrix includes
Component and each component percentage by weight it is as follows：Planting soil 60%, sand 20%, organic fertilizer 6%, sludge 2.5%, water-loss reducer 2%,
Wood chip 2%, water 6% and composite fertilizer 1.5%.
3. the ecological recovery planting matrix of refuse landfill sealing as claimed in claim 1, it is characterised in that：The planting matrix includes
Component and each component percentage by weight it is as follows：Planting soil 65%, sand 18%, organic fertilizer 5%, sludge 2%, water-loss reducer 1%, wood
Bits 2%, water 6% and composite fertilizer 1%.
4. the ecological recovery planting matrix of refuse landfill sealing as claimed in claim 1, it is characterised in that：The planting matrix includes
Component and each component percentage by weight it is as follows：The % of planting soil 70, sand 15%, organic fertilizer 6%, the % of sludge 2.5, water-loss reducer 2
%, wood chip 1 %, the % of water 3 and composite fertilizer 0.5%.
5. the ecological recovery planting matrix of refuse landfill sealing as claimed in claim 1, it is characterised in that：The planting matrix includes
Component and each component percentage by weight it is as follows：The % of planting soil 72, sand 14%, organic fertilizer 5%, the % of sludge 1.5, water-loss reducer
1 %, wood chip 2 %, the % of water 3 and composite fertilizer 1.5%.
6. the ecological recovery planting matrix of refuse landfill sealing as claimed in claim 1, it is characterised in that：The planting matrix includes
Component and each component percentage by weight it is as follows：The % of planting soil 75, sand 10%, organic fertilizer 4%, the % of sludge 2.5, water-loss reducer 1
%, wood chip 1 %, the % of water 6 and composite fertilizer 0.5%.
7. the ecological recovery planting matrix of refuse landfill sealing as claimed in claim 1, it is characterised in that：The planting matrix includes
Component and each component percentage by weight it is as follows：Planting soil 80%, sand 10%, organic fertilizer 3%, the % of sludge 1.5, water-loss reducer 1
%, wood chip 1%, the % of water 3 and composite fertilizer 0.5%.
8. the multiple method for green of refuse landfill sealing, it is characterised in that this method comprises the following steps：
1) construction of exhaust level, impervious barrier and drainage blanket that household refuse landfill sites close is completed, and impervious barrier is located at exhaust level
Top, drainage blanket is located at the top of exhaust level；
2) in drainage blanket upper berth handicapping root film, and soil layer is supported in covering on root resistance film；
3) and then on soil layer is supported ecological recovery planting matrix of the covering as described in claim 1-7 any one is planted as nutrition
Tegillum；
4) finally carry out planting on ecological recovery planting matrix and late maintaining management is carried out to plant.
9. the multiple method for green of refuse landfill sealing as claimed in claim 8, it is characterised in that：The support the thickness of the layer
For 50cm.
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| CN201710972023.2A CN107691166A (en) | 2017-10-18 | 2017-10-18 | The ecological recovery planting matrix and multiple method for green of refuse landfill sealing |
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| CN201710972023.2A CN107691166A (en) | 2017-10-18 | 2017-10-18 | The ecological recovery planting matrix and multiple method for green of refuse landfill sealing |
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Cited By (3)
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| CN109565994A (en) * | 2019-01-11 | 2019-04-05 | 中国科学院、水利部成都山地灾害与环境研究所 | A kind of method for recovering vegetation of dry valley Dumping Sites side slope |
| CN110961443A (en) * | 2019-11-25 | 2020-04-07 | 湖南芷兰生态环境建设有限公司 | Economical barrier particles for in-situ greening restoration of red mud disposal site and restoration method |
| CN114033009A (en) * | 2021-11-02 | 2022-02-11 | 湘潭大学 | Ecological restoration construction method and system for surface sludge of sludge landfill |
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Cited By (4)
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| CN110961443A (en) * | 2019-11-25 | 2020-04-07 | 湖南芷兰生态环境建设有限公司 | Economical barrier particles for in-situ greening restoration of red mud disposal site and restoration method |
| CN114033009A (en) * | 2021-11-02 | 2022-02-11 | 湘潭大学 | Ecological restoration construction method and system for surface sludge of sludge landfill |
| CN114033009B (en) * | 2021-11-02 | 2022-10-21 | 湘潭大学 | Ecological restoration construction method and system for surface sludge of sludge landfill |
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