CN109526674A - A kind of sludge base charcoal vertical greening light ground mass and preparation method thereof - Google Patents
A kind of sludge base charcoal vertical greening light ground mass and preparation method thereof Download PDFInfo
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- CN109526674A CN109526674A CN201811492461.XA CN201811492461A CN109526674A CN 109526674 A CN109526674 A CN 109526674A CN 201811492461 A CN201811492461 A CN 201811492461A CN 109526674 A CN109526674 A CN 109526674A
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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
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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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
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
- A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
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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
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
-
- 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
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
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- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The present invention provides a kind of sludge base charcoal vertical greening light ground mass, are prepared by the raw material for including following components: 35 parts by weight of sludge base charcoal~50 parts by weight；Decomposed 20 parts by weight of material~35 parts by weight of agriculture and forestry organic waste material；5 parts by weight of vermiculite~20 parts by weight；0.5 parts by weight of water-retaining agent~3 parts by weight；0.1 parts by weight of slow-release fertilizer~0.6 parts by weight.Using sludge base charcoal and the decomposed material of agriculture and forestry organic waste material as primary raw material, raw material is easy to get, is cheap sludge base charcoal vertical greening light ground mass provided by the invention, at low cost, pollution-free, and realizes the recycling of sludge base charcoal；Importantly, the sludge base charcoal vertical greening light ground mass uses certain content component, preferable interaction is realized, product stability is good, nutrient balance, and fertility is persistently and lightweight.The experimental results showed that the bulk density of sludge base charcoal vertical greening light ground mass provided by the invention is no more than 520kg/m3, and have the effect of preferably vertical greening plants being promoted to survive, grow.
Description
Technical field
The present invention relates to urban afforestation technical field more particularly to a kind of sludge base charcoal vertical greening light ground mass and
Preparation method.
Background technique
With the very fast extension of urban construction, soil is fewer and fewer, and vertical greening can expand urban afforestation space, alleviates
The problems such as greenery area is insufficient in urbanization process, " tropical island effect ", city rainfall runoff, building energy consumption, therefore it is for city
City's development has positive effect；Vertical greening also improves the green amount in city, coverage rate simultaneously, enhances the stereoscopic effect of greening,
With vast potential for future development, increasingly by public concern.But the plant growth environment of vertical greening and space and ground
Face is entirely different, considers the load-bearing of carrier and the maintenance cost of plant and difficulty, growth substrate need preferable stability,
Lesser density, preferable retain water and nutrients ability and good permeable breathable.
Currently, vertical greening matrix is mainly with natural soils, natural minerals, industry or agricultural organic waste etc. both at home and abroad
Two kinds in raw material or several combinations, but the technical problem that generally existing easy-weathering, fertility duration are short；Also, it is above-mentioned
Although vertical greening matrix also has certain a loose gas permeability and drainage, basis density or bigger；In addition, certain originals
Expect more difficult acquisition, higher cost.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of sludge base charcoal vertical greening light ground mass and its preparations
Methods and applications, sludge base charcoal vertical greening light ground mass stability provided by the invention is good, fertility is lasting and lightweight, together
When raw material be easy to get, be at low cost.
The present invention provides a kind of sludge base charcoal vertical greening light ground mass, are prepared by the raw material for including following components
It forms:
35 parts by weight of sludge base charcoal~50 parts by weight；
Decomposed 20 parts by weight of material~35 parts by weight of agriculture and forestry organic waste material；
5 parts by weight of vermiculite~20 parts by weight；
0.5 parts by weight of water-retaining agent~3 parts by weight；
0.1 parts by weight of slow-release fertilizer~0.6 parts by weight.
Preferably, the sludge base charcoal is by domestic sludge successively through anti-dilution, dehydration, heat drying processing and pyrolytic carbon
Change is prepared；
The temperature of the pyrolysis charring is 400 DEG C~600 DEG C.
Preferably, the decomposed material of the agriculture and forestry organic waste material is (30~39): (20~29) by mass ratio: 40 ornamental plant is useless
Gurry, agricultural crop straw and mushroom residue is decomposed forms.
Preferably, the partial size of the vermiculite is 1.5mm~2.5mm, bulk density 150kg/m3~180kg/m3。
Preferably, the water-retaining agent is macromolecule water uptake resin；The water absorption rate of the water-retaining agent is 400%~600%.
Preferably, the mass fraction of the nutrient of the slow-release fertilizer is 30%~40%, and water-soluble phosphorus accounts for the quality of available phosphorus
Score is 50%~60%.
The present invention also provides a kind of systems of sludge base charcoal vertical greening light ground mass described in above-mentioned technical proposal
Preparation Method, comprising the following steps:
A) it is ground after mixing sludge base charcoal and the decomposed material of agriculture and forestry organic waste material, obtains mixture；
B) mixture that step a) is obtained is mixed with vermiculite, water-retaining agent, slow-release fertilizer, it is vertically green obtains sludge base charcoal
Change light ground mass.
Preferably, the Particle size requirements of grinding described in step a) are less than 300 mesh.
Preferably, the mode of mixing described in step b) is stirring；The revolving speed of the stirring is 50r/min~70r/min,
Time is 40min~50min.
The present invention provides a kind of sludge base charcoal vertical greening light ground mass, are prepared by the raw material for including following components
It forms: 35 parts by weight of sludge base charcoal~50 parts by weight；Decomposed 20 parts by weight of material~35 parts by weight of agriculture and forestry organic waste material；Vermiculite 5
Parts by weight~20 parts by weight；0.5 parts by weight of water-retaining agent~3 parts by weight；0.1 parts by weight of slow-release fertilizer~0.6 parts by weight.With existing skill
Art is compared, and sludge base charcoal vertical greening light ground mass provided by the invention is decomposed with sludge base charcoal and agriculture and forestry organic waste material
Material is primary raw material, and raw material is easy to get, is cheap, at low cost, pollution-free, and realizes the recycling of sludge base charcoal；
Importantly, sludge base charcoal vertical greening light ground mass provided by the invention uses certain content component, realize preferable
Interaction, product stability is good, nutrient balance, fertility persistently and lightweight.The experimental results showed that sludge provided by the invention
The bulk density of base charcoal vertical greening light ground mass is no more than 520kg/m3, and have and vertical greening plants is preferably promoted to survive,
The effect of growth.
In addition, preparation method simple process provided by the invention, mild condition, and raw material is easy to get, production cost is low, is conducive to
It promotes and applies.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below.Obviously, described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides a kind of sludge base charcoal vertical greening light ground mass, are prepared by the raw material for including following components
It forms:
35 parts by weight of sludge base charcoal~50 parts by weight；
Decomposed 20 parts by weight of material~35 parts by weight of agriculture and forestry organic waste material；
5 parts by weight of vermiculite~20 parts by weight；
0.5 parts by weight of water-retaining agent~3 parts by weight；
0.1 parts by weight of slow-release fertilizer~0.6 parts by weight.
In the present invention, the sludge base charcoal is preferably by domestic sludge successively through anti-dilution, dehydration, heat drying processing
It is prepared with pyrolysis charring.The present invention is not particularly limited the source of the domestic sludge, using those skilled in the art
Well known municipal sludge.In the present invention, the moisture content of the domestic sludge is preferably 70%~90%, more preferably
80%.
In the present invention, the anti-diluted purpose is to adjust the moisture content of domestic sludge to 90%~99%, preferably
It is 95%.
In the present invention, the purpose of the dehydration be by the higher slurry dewatering of above-mentioned moisture content to moisture content be 50%~
60%, preferably 55%, obtain sludge cake.The present invention is not particularly limited the equipment of the dehydration, using this field skill
Dewatering system known to art personnel.
In the present invention, the purpose of heat drying processing be the moisture content of above-mentioned sludge cake is down to 25%~
35%, preferably 30%.The equipment that the present invention handles the heat drying is not particularly limited, ripe using those skilled in the art
The sludge drying machine known；The sludge cake passes through conveying equipment to the sludge drying machine.
In the present invention, the temperature of the pyrolysis charring is preferably 400 DEG C~600 DEG C, more preferably 500 DEG C.The present invention
The equipment of the pyrolysis charring is not particularly limited, using sludge carbonization system well known to those skilled in the art；Heat
Sludge cake after drying and other treatment passes through conveying equipment to the sludge carbonization system.In the present invention, the mistake of the pyrolysis charring
Journey carries out under anaerobic.
In the present invention, the pyrolysis charring forms stable solid solution by the compact crystal structure of vitreum, therefore
The sludge base charcoal property is very stable, and harmful substance does not overflow pollution environment, and environmental risk is low.In the present invention, institute
Sludge base charcoal is stated rich in carbon, loose porous, bulk density is small, retain water and nutrients ability of breathing freely is strong, and raw material is easy to get, cost
It is low.In the present invention, the sludge base charcoal vertical greening light ground mass includes 35 parts by weight~50 parts by weight sludge base
Charcoal, preferably 40 parts by weight~45 parts by weight.
In the present invention, the decomposed material of the agriculture and forestry organic waste material is preferably (30~39): (20~29): 40 garden by mass ratio
Woods plant waste, agricultural crop straw and mushroom residue is decomposed forms, are more preferably 35:(20~29 by mass ratio): 40 gardens
Plant waste, agricultural crop straw and mushroom residue is decomposed forms, are most preferably discarded by the ornamental plant that mass ratio is 35:25:40
Object, agricultural crop straw and mushroom residue is decomposed forms.The present invention is to the garden plant waste, agricultural crop straw and mushroom residue
Source is not particularly limited.The present invention is not particularly limited the decomposed method, and use is well known to those skilled in the art
Fluff packing method, compact reactor area method or loose close cross stacking method.In the present invention, the sludge base charcoal is vertical
Afforesting light ground mass includes the decomposed material of 20 parts by weight~35 parts by weight agriculture and forestry organic waste material, preferably 26 parts by weight~30 weight
Part.
Sludge base charcoal vertical greening light ground mass provided by the invention is rotten with sludge base charcoal and agriculture and forestry organic waste material
Clinker is primary raw material, and raw material is easy to get, is cheap, at low cost, pollution-free, and realizes the resource of sludge base charcoal
Change.
In the present invention, the partial size of the vermiculite is preferably 1.5mm~2.5mm, more preferable 2mm；The bulk density of the vermiculite
Preferably 150kg/m3~180kg/m3, more preferably 160kg/m3.In the present invention, the vermiculite has ventilative water-retaining property；This
Invention is not particularly limited the source of the vermiculite, is using the commercially available dedicated vermiculite of gardening well known to those skilled in the art
It can.In the present invention, the sludge base charcoal vertical greening light ground mass includes 5 parts by weight~20 parts by weight vermiculite, excellent
It is selected as 10 parts by weight~16 parts by weight.
In the present invention, the water-retaining agent is preferably macromolecule water uptake resin；Source of the present invention to the water-retaining agent
It is not particularly limited, using commercial goods well known to those skilled in the art.In the present invention, the water suction of the water-retaining agent
Rate is preferably 400%~600%, and more preferably 500%.In the present invention, the light-duty base of the sludge base charcoal vertical greening
Matter includes 0.5 parts by weight~3 parts by weight water-retaining agent, preferably 1 parts by weight~2 parts by weight.
In the present invention, the mass fraction of the nutrient of the slow-release fertilizer is preferably 30%~40%, and more preferably 35%；Institute
It is preferably 50%~60% that the water-soluble phosphorus for stating slow-release fertilizer, which accounts for the mass fraction of available phosphorus, and more preferably 55%.In the present invention,
The nutrient of the slow-release fertilizer is specially nitrogen phosphorus (P2O5) potassium (K2O)；The present invention uses above-mentioned slow-release fertilizer, has and adjusts nutrient balance
Effect.The present invention is not particularly limited the source of the slow-release fertilizer, using commercial goods well known to those skilled in the art
?.In the present invention, the sludge base charcoal vertical greening light ground mass includes that 0.1 parts by weight~0.6 parts by weight are slow
Release fertilizer, preferably 0.2 parts by weight~0.4 parts by weight.
Sludge base charcoal vertical greening light ground mass provided by the invention uses certain content component, realizes preferable phase
Interaction, product stability is good, nutrient balance, fertility persistently and lightweight.
The present invention also provides a kind of systems of sludge base charcoal vertical greening light ground mass described in above-mentioned technical proposal
Preparation Method, comprising the following steps:
A) it is ground after mixing sludge base charcoal and the decomposed material of agriculture and forestry organic waste material, obtains mixture；
B) mixture that step a) is obtained is mixed with vermiculite, water-retaining agent, slow-release fertilizer, it is vertically green obtains sludge base charcoal
Change light ground mass.
The present invention is ground after first mixing sludge base charcoal and the decomposed material of agriculture and forestry organic waste material, obtains mixture.At this
In invention, the sludge base charcoal and the decomposed material of agriculture and forestry organic waste material with it is as described in the above technical scheme identical, herein no longer
It repeats.
In the present invention, the Particle size requirements of the grinding are preferably less than 300 mesh, more preferably less than 200 mesh.The present invention
The equipment of the grinding is not particularly limited, using grinder well known to those skilled in the art.
After obtaining the mixture, the present invention mixes obtained mixture with vermiculite, water-retaining agent, slow-release fertilizer, obtains dirt
Mud base charcoal vertical greening light ground mass.In the present invention, in the vermiculite, water-retaining agent and slow-release fertilizer and above-mentioned technical proposal
Described is identical, and details are not described herein.
In the present invention, the mixed mode preferably stirs, it is therefore an objective to be uniformly mixed each raw material.In the present invention
In, the revolving speed of the stirring is preferably 50r/min~70r/min, more preferably 60r/min；The time of the stirring is preferably
40min~50min, more preferably 45min.
Preparation method simple process provided by the invention, mild condition, and raw material is easy to get, production cost is low, is conducive to promote
Using.
The present invention provides a kind of sludge base charcoal vertical greening light ground mass, are prepared by the raw material for including following components
It forms: 35 parts by weight of sludge base charcoal~50 parts by weight；Decomposed 20 parts by weight of material~35 parts by weight of agriculture and forestry organic waste material；Vermiculite 5
Parts by weight~20 parts by weight；0.5 parts by weight of water-retaining agent~3 parts by weight；0.1 parts by weight of slow-release fertilizer~0.6 parts by weight.With existing skill
Art is compared, and sludge base charcoal vertical greening light ground mass provided by the invention is decomposed with sludge base charcoal and agriculture and forestry organic waste material
Material is primary raw material, and raw material is easy to get, is cheap, at low cost, pollution-free, and realizes the recycling of sludge base charcoal；
Importantly, sludge base charcoal vertical greening light ground mass provided by the invention uses certain content component, realize preferable
Interaction, product stability is good, nutrient balance, fertility persistently and lightweight.The experimental results showed that sludge provided by the invention
The bulk density of base charcoal vertical greening light ground mass is no more than 520kg/m3, and have and vertical greening plants is preferably promoted to survive,
The effect of growth.
In addition, preparation method simple process provided by the invention, mild condition, and raw material is easy to get, production cost is low, is conducive to
It promotes and applies.
In order to further illustrate the present invention, technical solution provided by the invention is retouched in detail below with reference to embodiment
It states.Raw material used in following embodiment of the present invention is commercial goods；Wherein, sludge base charcoal used is that moisture content is
Moisture percentage in sewage sludge is adjusted to 95% by counter dilute, then passes through dewatering system for the mud of moisture content 95% by 80% domestic sludge
It is dehydrated to the sludge cake of moisture content 55%, which is sent to sludge drying machine by conveying equipment and carries out at heat drying
Reason, makes sludge cake moisture content be down to 30%, then enters sludge carbonization system by conveying equipment, under anaerobic, temperature
Under the conditions of being 500 DEG C pyrolysis charring, the product of formation occur for degree；The decomposed material of agriculture and forestry organic waste material used is 35:25 by mass ratio:
40 garden plant waste, agricultural crop straw and mushroom residue is decomposed forms；Vermiculite used is the dedicated vermiculite of gardening, partial size rule
Lattice are 2mm, bulk density 160kg/m3；Water-retaining agent used is macromolecule water uptake resin, water absorption rate 500%；Used is slow
Release the nutrient (N+P of fertilizer2O5+K2O mass fraction) is 35.0%, and the mass fraction that water-soluble phosphorus accounts for available phosphorus is 55.0%；Institute
Peat soil is commercially available, grain size specification 2mm, and the content of organic matter 68%, content of humic acid 26%, N-P-K content is
6%, water absorption rate 80%；Leaf mould used is commercially available, grain size specification 2mm, the content of organic matter 72%, content of humic acid
It is 32%, N-P-K content 8%, water absorption rate 80%.
Embodiment 1
(1) raw material proportioning: sludge base charcoal 35kg, agriculture and forestry organic waste material decomposed material 20kg, vermiculite 20kg, water-retaining agent 3kg,
Slow-release fertilizer 0.6kg.
(2) sludge base charcoal and the decomposed material of agriculture and forestry organic waste material are uniformly mixed, partial size is ground to by grinder and is less than
200 mesh, obtain mixture.
(3) mixture for obtaining step (2) and vermiculite, water-retaining agent, the slow-release fertilizer mechanical stirring under 60r/min revolving speed
45min obtains sludge base charcoal vertical greening light ground mass to being uniformly mixed.
Through calculating, the bulk density for the sludge base charcoal vertical greening light ground mass that the embodiment of the present invention 1 provides is 486kg/
m3。
Embodiment 2
(1) raw material proportioning: sludge base charcoal 40kg, agriculture and forestry organic waste material decomposed material 26kg, vermiculite 16kg, water-retaining agent 2kg,
Slow-release fertilizer 0.4kg.
(2) sludge base charcoal and the decomposed material of agriculture and forestry organic waste material are uniformly mixed, partial size is ground to by grinder and is less than
200 mesh, obtain mixture.
(3) mixture for obtaining step (2) and vermiculite, water-retaining agent, the slow-release fertilizer mechanical stirring under 60r/min revolving speed
45min obtains sludge base charcoal vertical greening light ground mass to being uniformly mixed.
Through calculating, the bulk density for the sludge base charcoal vertical greening light ground mass that the embodiment of the present invention 2 provides is 495kg/
m3。
Embodiment 3
(1) raw material proportioning: sludge base charcoal 45kg, agriculture and forestry organic waste material decomposed material 30kg, vermiculite 10kg, water-retaining agent 1kg,
Slow-release fertilizer 0.2kg.
(2) sludge base charcoal and the decomposed material of agriculture and forestry organic waste material are uniformly mixed, partial size is ground to by grinder and is less than
200 mesh, obtain mixture.
(3) mixture for obtaining step (2) and vermiculite, water-retaining agent, the slow-release fertilizer mechanical stirring under 60r/min revolving speed
45min obtains sludge base charcoal vertical greening light ground mass to being uniformly mixed.
Through calculating, the bulk density for the sludge base charcoal vertical greening light ground mass that the embodiment of the present invention 3 provides is 511kg/
m3。
Comparative example 1
The preparation method provided using embodiment 3, difference are: replacing step using the peat soil of homogenous quantities (75kg)
(2) mixture obtained obtains vertical greening matrix.
Through calculating, the bulk density for the vertical greening matrix that comparative example 1 provides is 740kg/m3。
Comparative example 2
The preparation method provided using embodiment 3, difference are: replacing step using the leaf mould of homogenous quantities (75kg)
(2) mixture obtained obtains vertical greening matrix.
Through calculating, the bulk density for the vertical greening matrix that comparative example 2 provides is 380kg/m3。
Comparative example 3
The preparation method provided using embodiment 3, difference are: being replaced using the sludge base charcoal of homogenous quantities (75kg)
The mixture that step (2) obtains, obtains vertical greening matrix.
Through calculating, the bulk density for the vertical greening matrix that comparative example 3 provides is 650kg/m3。
Sludge base charcoal vertical greening light ground mass and comparative example 1~3 that the embodiment of the present invention 1~3 provides are provided
Vertical greening matrix tested for metope cloth-bag type vertical greening: 6 processing groups of setting, each processing group fill isometric cloth
Then the corresponding matrix of bag plants the red palm (a height of 12cm) of unified specification, robust growth, no disease and pests harm, sulphur butterfly is (a height of
14cm), new pteris fern (a height of 15cm), 100 seedling of each various plants of every kind of plant of processing group, then water seasoning；To 90 days
Afterwards, the average height increment and survival rate of different disposal group plant are measured.Test result ginseng is shown in Table 1.
The sludge base charcoal vertical greening light ground mass and comparative example 1~3 that 1 embodiment of the present invention 1~3 of table provides provide
Vertical greening matrix be used for metope cloth-bag type vertical greening test result data
As it can be seen from table 1 the sludge base charcoal vertical greening light ground mass provided using the embodiment of the present invention 1~3
Plant height and the vertical greening matrix that is provided relative to comparative example 1~3 of survival rate it is higher, wherein highest survival rate reaches
98%.Illustrate that the sludge base charcoal vertical greening light ground mass that the embodiment of the present invention 1~3 provides has preferably promotion vertical greening
Plant survival, growth effect.
The above description of the disclosed embodiments, enables those skilled in the art to implement or use the present invention.It is right
A variety of modifications of these embodiments will be readily apparent to those skilled in the art, and as defined herein one
As principle can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will
It will not be intended to be limited to the embodiments shown herein, and be to fit to consistent with the principles and novel features disclosed herein
Widest scope.
Claims (9)
1. a kind of sludge base charcoal vertical greening light ground mass is prepared by the raw material for including following components:
35 parts by weight of sludge base charcoal~50 parts by weight；
Decomposed 20 parts by weight of material~35 parts by weight of agriculture and forestry organic waste material；
5 parts by weight of vermiculite~20 parts by weight；
0.5 parts by weight of water-retaining agent~3 parts by weight；
0.1 parts by weight of slow-release fertilizer~0.6 parts by weight.
2. sludge base charcoal vertical greening light ground mass according to claim 1, which is characterized in that the sludge base is raw
Object charcoal is successively prepared through anti-dilution, dehydration, heat drying processing and pyrolysis charring by domestic sludge；
The temperature of the pyrolysis charring is 400 DEG C~600 DEG C.
3. sludge base charcoal vertical greening light ground mass according to claim 1, which is characterized in that the agricultural are discarded
The decomposed material of object is (30~39): (20~29) by mass ratio: 40 garden plant waste, agricultural crop straw and mushroom residue are decomposed
It forms.
4. sludge base charcoal vertical greening light ground mass according to claim 1, which is characterized in that the grain of the vermiculite
Diameter is 1.5mm~2.5mm, bulk density 150kg/m3~180kg/m3。
5. sludge base charcoal vertical greening light ground mass according to claim 1, which is characterized in that the water-retaining agent is
Macromolecule water uptake resin；The water absorption rate of the water-retaining agent is 400%~600%.
6. sludge base charcoal vertical greening light ground mass according to claim 1, which is characterized in that the slow-release fertilizer
The mass fraction of nutrient is 30%~40%, and the mass fraction that water-soluble phosphorus accounts for available phosphorus is 50%~60%.
7. a kind of preparation method of the described in any item sludge base charcoal vertical greening light ground mass of claim 1~6, including
Following steps:
A) it is ground after mixing sludge base charcoal and the decomposed material of agriculture and forestry organic waste material, obtains mixture；
B) mixture that step a) is obtained is mixed with vermiculite, water-retaining agent, slow-release fertilizer, it is light obtains sludge base charcoal vertical greening
Type matrix.
8. preparation method according to claim 7, which is characterized in that the Particle size requirements of grinding described in step a) be less than
300 mesh.
9. preparation method according to claim 7, which is characterized in that the mode of mixing described in step b) is stirring；Institute
The revolving speed for stating stirring is 50r/min~70r/min, and the time is 40min~50min.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112806229A (en) * | 2021-01-07 | 2021-05-18 | 江苏省安全生产科学研究院 | Runoff water quality improvement type vertical greening water retention matrix and preparation method thereof |
| CN112876119A (en) * | 2021-02-09 | 2021-06-01 | 华蓝设计（集团）有限公司 | Cement-based material carbon-fixing internal curing agent and preparation and application thereof |
| CN113498730A (en) * | 2021-08-05 | 2021-10-15 | 中铁上海工程局集团市政环保工程有限公司 | Municipal sludge-based biochar improved nutrient soil and production method thereof |
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| CN107162706A (en) * | 2016-03-08 | 2017-09-15 | 安徽科技学院 | A kind of light-duty long-acting cultivation matrix for roof greening of sludge organism charcoal base and preparation method thereof |
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| CN112806229A (en) * | 2021-01-07 | 2021-05-18 | 江苏省安全生产科学研究院 | Runoff water quality improvement type vertical greening water retention matrix and preparation method thereof |
| CN112876119A (en) * | 2021-02-09 | 2021-06-01 | 华蓝设计（集团）有限公司 | Cement-based material carbon-fixing internal curing agent and preparation and application thereof |
| CN113498730A (en) * | 2021-08-05 | 2021-10-15 | 中铁上海工程局集团市政环保工程有限公司 | Municipal sludge-based biochar improved nutrient soil and production method thereof |
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Application publication date: 20190329 |