CN105900730B - Biology is detained landscape plant somatomedin and preparation method thereof and application method - Google Patents
Biology is detained landscape plant somatomedin and preparation method thereof and application method Download PDFInfo
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- CN105900730B CN105900730B CN201610351737.7A CN201610351737A CN105900730B CN 105900730 B CN105900730 B CN 105900730B CN 201610351737 A CN201610351737 A CN 201610351737A CN 105900730 B CN105900730 B CN 105900730B
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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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
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- Life Sciences & Earth Sciences (AREA)
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- Cultivation Of Plants (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention relates to a kind of biologies transplanted for Demonstration for Ecological Sanitation in environmental project and landscape plant to be detained landscape plant somatomedin and preparation method thereof and application method.The biology is detained landscape plant somatomedin, is made of following raw material by weight percent: coarse sand 50~60%, fertile soil 40~50%；Wherein, the fertile soil dry weight content of organic matter is not less than 10%.The present invention can both be retained, fertilizer conservation, discharge nutrients with rainfall runoff, and have enough permeabilities, can satisfy the growth conditions of a variety of landscape plants.
Description
Technical field
The present invention relates to a kind of biologies transplanted for Demonstration for Ecological Sanitation in environmental project and landscape plant to be detained landscape plant
Somatomedin and preparation method thereof and application method.
Background technique
Low influence development technique (LID) is later 1990s by seattle, U.S.A, Portland and the Maryland State
George-prince county take the lead in exploitation a kind of Storm Water Management technology, principle be by it is small-sized, dispersion engineering means, benefit
It with the water conservation of composite soil and specified plant, infiltrates, rising peak value and flow to cut down storm runoff, is controlled from source sudden and violent
Rain runoff and the pollution of area source generated by runoff, to make development area as far as possible close to the natural hydrologic cycle shape before exploitation
State.This is a kind of Storm Water Management method based on the ecosystem, since runoff source.
Low one of the base stock for influencing development technique is exactly to have that water-retaining property is high, penetrating power is strong, organic matter discharges slowly
Composite earth.There are mainly four types of forms for somatomedin in the prior art: first is that being situated between by the growth of base stock of fertile soil
Matter: the composite earth that the biology such as external Rain Garden, rainwater flower bed, biological grass planting ditch is detained facility (Bioretention) is usual
It is all to be formed by fertile soil, sand grains and planting soil mixed preparing.It is the hole in order to increase composite earth using purpose humous
Nutrition needed for rate, offer plant growth.But the monitoring of Washington state LID facility many years shows to be mixed by fertile soil
Made of composite earth be only capable of cutting down the suspended matter in runoff, but increase the release of phosphorus, nitrogen, become pollution source；Second is that
Using peat as the somatomedin of base stock: due to the nutrients in fertile soil as rainfall runoff is discharged into storage water body, state
Fertile soil is changed to peat by outer some areas, though peat can keep certain nutrients for plant absorption, and it is substantially not outer
Phosphorus, nitrogen are arranged, but peat belongs to non-renewable natural resources, many areas all forbid exploiting peat, so aobvious using peat
It is so a kind of unsustainable medium；Third is that using sandy soil as the somatomedin of base stock: due to the nutrients meeting in fertile soil
As rainfall runoff releases, polluted underground water and river and lake, so some areas use the growth using sandy soil as base stock
Medium, such as the New England Region in the U.S. just use 80% coarse sand and the mixing of 20% planting soil, this mixing day of one's doom
Plant choosing has been made, some influences are produced on landscape effect；Fourth is that using planting soil as the somatomedin of base stock: due to
LID technology introduces the country soon, there are no being formed to standardize, so building the LID biology delays such as Rain Garden, biological grass planting ditch
When facility, landscape effect is often overemphasized, for the survival of landscape plant, fertilizer is added in the planting soil that biology is detained,
These fertilizer water or by blind pipe are discharged into river, lake as runoff permeates the ground, and have aggravated the richness of underground water pollution and river and lake
Nutrient laden.Therefore, it still needs to seek a kind of solid phosphorus, denitrogenate, reduce the somatomedin of secondary pollution, sustainable development.
Summary of the invention
The technical problem to be solved by the invention is to provide it is a kind of can both be retained, fertilizer conservation, make nutrients not with rainwater diameter
Stream release, and have enough permeabilities, the biology that can satisfy the growth conditions of a variety of landscape plants is detained landscape plant growth
Medium and preparation method thereof and application method.
Biology of the invention is detained landscape plant somatomedin, is made of following raw material by weight percent:
Coarse sand 50~60%；
Fertile soil 40~50%；
Wherein, the fertile soil dry weight content of organic matter is not less than 10%.
The biology is detained landscape plant somatomedin under 85% compactness, and the short-term water conservancy coefficient of conductivity is not less than
150mm/ hours, the long-term water conservancy coefficient of conductivity was not less than 25.4mm/ hours.The fertile soil only allows < 5% fine grained logical
Cross #200 sieve.Its dry weight content of organic matter is not less than 10%.
Biology of the invention is detained the preparation method of landscape plant somatomedin, includes the following steps:
S1: fertile soil is spread out on disposal field and is dried；
S2: biocatalyst is diluted with water, and is then uniformly sprayed onto step S1 treated in soil layer；
S3: the mud layer of step S2 stirs once daily, continuously stirs 5~7 days；
S4: coarse sand is stirred with fertile soil by formula, mixes, pack.
Biocatalyst in the step S2 contains the wide spectrum complex enzyme of 30~55wt%, the surface of 15~20wt% is lived
The food-grade urea of property agent and 15~20wt%, surplus is water；Every 1000kg peat uses biocatalyst 3-5g.It is preferred that
, the biocatalyst contains the food-grade urine of the wide spectrum complex enzyme of 30wt%, the surfactant of 20wt% and 15wt%
Element, surplus are water.Preferably, the wide spectrum complex enzyme at least contain reductase, amylase, cellulase, esterase, lipase,
Ligninase, protease, urease and zytase.Preferably, the surfactant is food-grade alkyl polyglucoside surface
Activating agent
Biology of the invention is detained the application method of landscape plant somatomedin, comprising the following steps: in Rain Garden, rain
It is laid with gravel layer on the basis of spray altar, the biological landscape plants such as grass planting ditch and Green Roof plant, fixed nitrogen dephosphorization medium is laid with
The upper surface of gravel layer is arrived, is detained landscape plant somatomedin in the biology and is laid on fixed nitrogen dephosphorization medium.Preferably, described
Fixed nitrogen dephosphorization medium is activated alumina particle, laying depth 5-10cm；Activated alumina partial size is 3~5mm, activity
Alumina content is greater than 92-95wt%, 260~300m2/g of specific surface area, and water absorption rate is greater than 50%.
The positive effect of the present invention is embodied in:
1,1.2~1.5 times of original volume be may be expanded to after the fertile soil chance water contained in component of the invention, moisture steams
After rising and it can be restored to original volume, this is swollen, and a contracting causes the porosity change in medium, an aerobic-anaerobic process is formed,
Provide a good aerobic and anaerobic conditions for biological removal of nitrogen, so as to by sludge and rainfall runoff nitrogen generate nitrogen and
It removes；Coarse sand in the present invention is other than having filtering suction-operated, additionally it is possible to so that the permeability of somatomedin reaches 150mm/
Hour, and the permeability of soil generally only has 20~30mm/ hours, coarse sand uses the water conservation for improving somatomedin significantly
Effect；Somatomedin provided by the invention is particularly suitable for application as the low somatomedin for influencing exploitation and landscape planting, has
Great significance and practical value.
Fertile soil contains the organic matters such as nitrogen, phosphorus, potassium and various microelements, is the best organic fertilizer of plant growth, but
Domestic fertile soil, moisture content, content of organics, fermenting-ripening degree are irregular, in the present invention it is possible to by generally in the art
Any bioremediation fertile soil is handled, as long as enabling to fertile soil after treatment oxidation-stabilized i.e.
It can.
2, in application method of the invention, using activated alumina as fixed nitrogen dephosphorization medium, aluminium can in sludge
Phosphate radical reaction generates the extremely low indissoluble aluminum phosphate of solubility, and is attached on media particle carrier, and performance is sufficiently stable,
Thus the phosphorus in fertile soil can be made prolonged curing in the medium, be grown for plant absorption；In addition activated alumina can also and rain
Phosphorus reaction in water runoff is deposited in somatomedin after generating insoluble aluminum phosphate, is formed the phosphate of indissoluble, is not generated
Secondary release pollution, also functions to the effect of fertilizer conservation, discharges nutrients with rainfall runoff, can satisfy a variety of landscape plants
Growth conditions.
3, preparation method of the invention is handled somatomedin using biocatalysis fermentation skill, the biocatalysis of selection
Agent is combined with the bio-stimulant of wide spectrum complex enzyme, nonionic surfactant and inorganic nutrients object, will not bring outer
Come strain, generation environment safety problem.Simultaneously inventors have found that when the group of the biocatalyst is as the wide of 30~55wt%
Complex enzyme, the surfactant of 15~20wt% and the food-grade urea of 15~20wt% are composed, to humous when surplus is water
Catalytic effect is more preferable.Wide spectrum complex enzyme can be quickly oxidation-stabilized to fertile soil progress, and can be rapidly by macromolecular in fertile soil
Organic matter resolves into the small organic molecule being absorbed and utilized convenient for microorganism, stimulates indigenous microorganism growth and breeding, strengthens micro- life
Object decomposition function, in addition these wide spectrum complex enzymes can also decompose rapidly the toxic compounds such as ammonia nitrogen, nitrite, hydrogen sulfide,
The reductase contained in wide spectrum complex enzyme can also by heavy metals immobilization in fertile soil, be converted into not readily dissolve, migrate and poison
The small form of property；The surfactant contained in biocatalyst can promote the discharge of the moisture in clay particle, make compound
Biological enzyme, which can be infiltrated into conveniently, generates catalytic action in clay particle；Inventor also found wide spectrum complex enzyme during the experiment
Permeability it is poor, be improvement effect, needing to be added urea enables complex enzyme to rapidly permeate into clay particle, and urea is also
Nutrition can be provided for microorganism；Inventor is also found during the experiment when the wide spectrum complex enzyme contains reductase, starch
When enzyme, cellulase, esterase, lipase, ligninase, protease, urease and zytase, most to the treatment effect of sludge
It is good.
Specific embodiment
Embodiment one:
Preparation biology is detained landscape plant somatomedin, includes the following steps:
S1: fertile soil is spread out on disposal field and is dried；
S2: biocatalyst is diluted with water, and is then uniformly sprayed onto step S1 treated in soil layer；
S3: the mud layer of step S2 stirs once daily, continuously stirs 5~7 days；
S4: coarse sand is mixed with fertile soil by 45: 55 mass ratio, stirring, pack.
It is to wash your sewage treatment enzyme that biocatalyst in the step S2, which selects trade names,.Surfactant is food
Grade alkyl polyglucoside surfactant.
Use process is to be laid with gravel layer on rainwater flower bed, and the biology is detained landscape plant somatomedin and is laid on
On gravel layer, laying depth 50cm.
Two~example IV of embodiment:
Two~example IV of embodiment is detained landscape plant using biology prepared by the method being the same as example 1 and is grown
Medium.Fixed nitrogen dephosphorization medium is routed to gravel layer the following steps are included: be laid with gravel layer on rainwater flower bed by its use process
The upper surface of, the biology is detained landscape plant somatomedin and is laid on fixed nitrogen dephosphorization medium, laying depth 50cm.Fixed nitrogen removes
Phosphorus medium is activated alumina particle, and laying depth 5cm, 10cm, 15cm (respectively correspond embodiment two, embodiment three, reality
Apply example four)；Activated alumina partial size is 3~5mm, and active oxidation aluminium content is greater than 92wt%, specific surface area 280m2/ g, water suction
Rate 65%.
The processing test of confluence of rainwater and sewage water body is carried out to above-described embodiment, coherent detection data are as follows:
Claims (5)
1. a kind of biology is detained landscape plant somatomedin, which is characterized in that the somatomedin is by weight percent by following
Raw material composition:
Coarse sand 45%；
Fertile soil 55%；
Wherein, the fertile soil dry weight content of organic matter is not less than 10%；The fertile soil only allows < 5% fine grained to pass through #
200 sieves；Under 85% compactness, short-term hydraulic conductivity is not less than 150mm/ hours the somatomedin, and long-term waterpower passes
Coefficient is led not less than 25.4mm/ hours；The preparation of the somatomedin includes the following steps:
S1: fertile soil is spread out on disposal field and is dried；
S2: biocatalyst is diluted in proportion with water, is then sprayed onto step S1 treated in soil layer；
S3: the soil layer of step S2 stirs once daily, continuously stirs 5 ~ 7 days；
S4: coarse sand is stirred with fertile soil by formula, mixes, pack；
Biocatalyst in the step S2 contains the surfactant and 15 of the wide spectrum complex enzyme of 30 ~ 55wt%, 15 ~ 20wt%
The food-grade urea of ~ 20wt%, surplus are water；Every 1000kg fertile soil uses 3 ~ 5g of biocatalyst.
2. a kind of preparation method of the delay landscape plant somatomedin of biology described in claim 1, which is characterized in that specifically include
Following steps:
S1: fertile soil is spread out on disposal field and is dried；
S2: biocatalyst is diluted in proportion with water, is then sprayed onto step S1 treated in soil layer；
S3: the soil layer of step S2 stirs once daily, continuously stirs 5 ~ 7 days；
S4: coarse sand is stirred with fertile soil by formula, mixes, pack.
3. biology according to claim 1 is detained landscape plant somatomedin, which is characterized in that the wide spectrum complex enzyme is extremely
Contain reductase, amylase, cellulase, esterase, lipase, ligninase, protease, urease and zytase less.
4. a kind of application method of the delay landscape plant somatomedin of biology described in claim 1, which is characterized in that including following
Step: it is laid with gravel layer on the basis of landscape plant plant, fixed nitrogen dephosphorization medium is routed to the upper surface of gravel layer, by the life
Object is detained landscape plant somatomedin and is laid on fixed nitrogen dephosphorization medium.
5. the application method that biology according to claim 4 is detained landscape plant somatomedin, which is characterized in that described solid
Nitrogen dephosphorization medium is activated alumina particle, laying depth 5-10cm；Activated alumina partial size is 3 ~ 5mm, active oxidation
Aluminium content is greater than 92-95 wt %, 260 ~ 300m of specific surface area2/ g, water absorption rate are greater than 50%.
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