A kind of after-treatment building waste waste prepares the method for planting soil and the kind of acquisition
Plant soil
Technical field
The present invention relates to the technical field of the processing method of building waste waste, more particularly to a kind of after-treatment building rubbish
Rubbish waste prepares the method for planting soil and the planting soil of acquisition.
Background technology
At present, China is in the comprehensive urbanization stage, urban construction and expansion by China continue it is considerably long when
Between.China's building waste yield sharp increase in recent years, the landfill yard for accommodating municipal refuse has been had too many difficulties to cope with, to building waste
Extremely urgent stage has been arrived in regeneration.In face of increasingly serious environmental problem, the land supply being becoming tight day increasingly exhausts
Mineral resources, the generation of building waste undoubtedly exacerbates the contradiction situation between people, environment and resource, have impact on urban ecology
The coordinated development of environment.Therefore the integrated treatment of building waste is increasingly subject to the attention of people, prepared by comprehensive utilization building waste
Regeneration is thick, fine aggregate does construction material, but the waste for producing in process there is no effective way to be disposed.
At this stage, the first process resource rate of China's building waste is only 50%~60%, the mainly chi of recycling
Very little larger concrete block and fragment of brick, reinforcing bar, wooden unit etc., remaining building waste waste are the material of recovery of cannot classifying again.
Building waste waste complicated component, fluctuation are big, and prior art cannot classify treatment, also cannot directly utilize, and use at present is filled out
The mode of burying is processed, and causes the secondary pollution to environment.
Ecological Projects in Urban Gardens is developed rapidly, and the yield of the garden garbage such as beta pruning, leaf produced in maintenance management is not
Disconnected to increase, usual these garden plant wastes are considered as municipal refuse, and the major way that its treatment is disposed is for landfill and burns,
But the mode of landfill can then cause the waste of land resource;The mode of burning then produces substantial amounts of pernicious gas and flue dust, pollution
Air, is detrimental to health.And farmland produces the organic wastes such as the stalk of the overwhelming majority to be still arbitrarily discarded in field ground
Head and burning, cause the waste and environmental pollution of resource.Simple process does not adapt to the requirement of sustainable development, and innoxious,
Recycling treatment is its inexorable trend.And gardens and agricultural wastes are utilized, biology is converted it into by biofermentation technique
Organic fertilizer, is used further to agricultural industry planting, plays a part of improved soil and increases fertilizer efficiency, forms good ecological circulation
Structure, efficiently solves the disposal difficulties of gardens and agricultural wastes.
Simultaneously as long-term urbanization process, urban landscaping is planted needs substantial amounts of planting technique soil to reduce
The phenomenon of agriculture plantation soil is arbitrarily used because suitable planting technique soil is lacked.It is badly in need of exploitation now and is adapted to city plantation
Flowers, lawn, the various green plants such as quilt, shrub, arbor greening planting soil.Therefore a kind of method is needed to be built to process
Building refuse waste, largely can carry out secondary resource utilization by building waste waste, and making turns into planting soil, for afforestation
Engineering, alleviates the nervous problem of soil resource, opens up the new way of building waste waste recycling, while solving organic waste
Pollute the problem of environment.
The content of the invention
In view of this, the invention provides a kind of method that after-treatment building waste waste prepares planting soil, in solution
State problem.
The technological means that the present invention is used is as follows:A kind of method that after-treatment building waste waste prepares planting soil, bag
Include following steps:
(1) sorting:The waste of the building waste that cannot carry out classification recovery is taken, it is standby.
(2) crush:Organic materials is crushed, the organic materials includes plant residue, the animal of coconut palm chaff and grass cuttings branches and leaves
Excrement and agricultural crops stalk.
(3) ferment:Organic materials after crushing adds bio-fermentation agent and urea, mixing and stirring, and is transported to hair
Ferment pond is fermented, and Rapid Fermentation is into organic fertilizer.
(4) mix:Waste, new soil, the organic fertilizer for fermenting and biomass carbon mixing and stirring are configured to plantation
Soil, the planting soil includes the component of following mass percent:Waste 50%~80%, new soil 10%~40%, organic fertilizer
5%~20%, biomass carbon 1%~5%, some nutrient conditioning agents.
(5) detection packaging:After detection planting soil composition is qualified, planting soil is packed, send into warehouse for finished product.
Preferably, waste described in step (1) includes that soil, surface wrap up in concrete block and fragment of brick, plastering material, the stone of mud
Cream material and the house refuse containing organic matter.
Preferably, the particle size of waste described in step (1) is 0.15~15mm.
Preferably, organic materials is crushed to particle size for 1~10mm in step (2).
Preferably, under the conditions of being 15~45 DEG C in temperature in step (3), 1%~3% biology is added in organic materials
Leavening, adds urea and water, and it is 50%~60% to keep humidity, and mixing and stirring is fermented.
Preferably, calculate by mass percentage, in the step (3) content of organic matter of organic fertilizer be 45%~
60%, N-P-K content is 5%~10%, and pH value is 5.5~8.0.
Preferably, fermentation time is 30~50 days in step (3), when starting in fermentation vat turning in 2 days once, 2~3 times
Afterwards, turning in 5 days is once.
Preferably, biomass carbon described in step (4) be high temperature anaerobic crack organic materials, and particle size be 0.1~
2mm。
Preferably, nutrient conditioning agent described in step (4) is at least one in urea, composite fertilizer and micro- fertilizer.
Present invention additionally comprises a kind of planting soil, including following mass percent component:Including following mass percent
Component:Waste 50%~80%, new soil 10%~40%, organic fertilizer 5%~20%, biomass carbon 1%~5%, Ruo Ganying
Element conditioning agent is supported, the nutrient conditioning agent is at least one in urea, composite fertilizer and micro- fertilizer.
The method for preparing planting soil using a kind of after-treatment building waste waste provided by the present invention, has with following
Beneficial effect:It, by the secondary comprehensive utilization of thing building waste that is discarded, cannot being recycled again, is Resources for construction that the present invention is
The need for economies society, with building waste waste and organic waste etc. for raw material is made planting soil, the waste is building
Rubbish (will larger-size concrete block and fragment of brick, reinforcing bar, wooden unit etc. after reclaiming renewable resource through first extensive classification
Reclaimed for the first time), the material of the remaining recovery that cannot classify again is both making profits again to building waste and organic waste
With, land occupation can be solved again, pollute the social concerns such as environment.Secondly, the processing and manufacturing of organic planting soil of the invention is alleviated
The predicament that agricultural soil is used by exhaustive exploitation, solves the situation of planting soil shortage, with significant social benefit, environment
Benefit;The technique that the last present invention is provided, realizes the regeneration of resource, meets the requirement of recycling economy development, also to enterprise
Industry brings objective economic benefit, produces 80000 tons of planting soils per year, gets a profit 10 yuan/ton, to development low-carbon economy, realizes that economy can
Sustainable development has great importance.So that building waste by after first treatment again through after-treatment resource rate improve to
More than 95%.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the method that a kind of after-treatment building waste waste of the invention prepares planting soil.
Specific embodiment
Principle of the invention and feature are described below, example is served only for explaining the present invention, is not intended to limit
Determine the scope of the present invention.
Embodiment 1
A kind of method that after-treatment building waste waste prepares planting soil, comprises the following steps:
(1) sorting:Selection cannot carry out the waste in the building waste of classification recovery, and the waste includes soil, surface
Wrap up in concrete block and fragment of brick, plastering material, gypsum material and the house refuse containing organic matter of mud.The waste particle size is
0.15mm。
(2) crush:Organic materials is crushed to 1mm, wherein organic materials include coconut palm chaff and grass cuttings branches and leaves plant residue,
Animal wastes and agricultural crops stalk.Wherein organic materials includes coconut palm chaff 20%, animal wastes 5%, grass cuttings branches and leaves 45%, agricultural
Crop material 30%.
(3) ferment:Temperature be 15 DEG C under the conditions of, will in the organic materials after crushing add 1% bio-fermentation agent and
Urea, it is 50% to keep humidity, mixes mixing and stirring, and is transported to fermentation vat, 2 days/time of turnings during beginning, after 2 times, 5
Day/time turning, ferments 30 days, and into organic fertilizer, the content of organic matter of organic fertilizer is 45% to Rapid Fermentation, and N-P-K content is
5%, pH value is 5.5.
(4) mix:Waste, new soil, the organic fertilizer for fermenting and biomass carbon mixing and stirring are configured to plantation
Soil, the planting soil includes the component of following mass percent:Waste 50%, new soil 35%, organic fertilizer 10%, biomass carbon
5%, some nutrient conditioning agents.
(5) detection packaging:After detection planting soil composition is qualified, planting soil is packed, send into warehouse for finished product.
Embodiment 2
A kind of method that after-treatment building waste waste prepares planting soil, comprises the following steps:
(1) sorting:Selection cannot carry out the waste in the building waste of classification recovery, and the waste includes soil, surface
Wrap up in concrete block and fragment of brick, plastering material, gypsum material and the house refuse containing organic matter of mud.The waste particle size is
15mm。
(2) crush:Organic materials is crushed to 10mm, wherein plant of the organic materials including coconut palm chaff and grass cuttings branches and leaves is residual
Body, animal wastes and agricultural crops stalk.Wherein organic materials includes coconut palm chaff 15%, animal wastes 10%, grass cuttings branches and leaves 35%,
Agricultural crops stalk 40%.
(3) ferment:Temperature be 45 DEG C under the conditions of, will in the organic materials after crushing add 3% bio-fermentation agent and
Urea, it is 60% to keep humidity, mixes mixing and stirring, and is transported to fermentation vat, 2 days/time of turnings during beginning, after 3 times, 5
Day/time turning, ferments 50 days, and into organic fertilizer, the content of organic matter of organic fertilizer is 60% to Rapid Fermentation, and N-P-K content is
10%, pH value is 8.0.
(4) mix:Waste, new soil, the organic fertilizer for fermenting and biomass carbon mixing and stirring are configured to plantation
Soil, the planting soil includes the component of following mass percent:Waste 60%, new soil 30%, organic fertilizer 5%, biomass carbon
5%, some nutrient conditioning agents.
(5) detection packaging:After detection planting soil composition is qualified, planting soil is packed, send into warehouse for finished product.
Embodiment 3
A kind of method that after-treatment building waste waste prepares planting soil, comprises the following steps:
(1) sorting:Selection cannot carry out the waste in the building waste of classification recovery, and the waste includes soil, surface
Wrap up in concrete block and fragment of brick, plastering material, gypsum material and the house refuse containing organic matter of mud.The waste particle size is
2mm。
(2) crush:Organic materials is crushed to 6mm, wherein organic materials include coconut palm chaff and grass cuttings branches and leaves plant residue,
Animal wastes and agricultural crops stalk;Wherein organic materials includes coconut palm chaff 25%, animal wastes 10%, grass cuttings branches and leaves 45%, agriculture
Industry crop material 20%
(3) ferment:Temperature be 30 DEG C under the conditions of, will in the organic materials after crushing add 2% bio-fermentation agent and
Urea, it is 55% to keep humidity, mixes mixing and stirring, and is transported to fermentation vat, 2 days/time of turnings during beginning, after 2 times, 5
Day/time turning, ferments 40 days, and into organic fertilizer, the content of organic matter of organic fertilizer is 50% to Rapid Fermentation, and N-P-K content is
7%, pH value is 6.
(4) mix:Waste, new soil, the organic fertilizer for fermenting and biomass carbon mixing and stirring are configured to plantation
Soil, the planting soil includes the component of following mass percent:Waste 70%, new soil 10%, organic fertilizer 15%, biomass carbon
5%, some nutrient conditioning agents.
(5) detection packaging:After detection planting soil composition is qualified, planting soil is packed, send into warehouse for finished product.
Embodiment 4
A kind of method that after-treatment building waste waste prepares planting soil, comprises the following steps:
(1) sorting:Selection cannot carry out the waste in the building waste of classification recovery, and the waste includes soil, surface
Wrap up in concrete block and fragment of brick, plastering material, gypsum material and the house refuse containing organic matter of mud.The waste particle size is
10mm。
(2) crush:Organic materials is crushed to 8mm, wherein organic materials include coconut palm chaff and grass cuttings branches and leaves plant residue,
Animal wastes and agricultural crops stalk.Wherein organic materials includes coconut palm chaff 20%, animal wastes 10%, grass cuttings branches and leaves 40%, agriculture
Industry crop material 20%
(3) ferment:Under the conditions of being 32 DEG C in temperature, 2.5% bio-fermentation agent will be added in the organic materials after crushing
And urea, it is 56% to keep humidity, mixes mixing and stirring, and is transported to fermentation vat, 2 days/time of turnings during beginning, after 3 times,
5 days/time of turnings, ferment 42 days, and into organic fertilizer, the content of organic matter of organic fertilizer is 55%, N-P-K content to Rapid Fermentation
It is 8%, pH value is 7.5.
(4) mix:Waste, new soil, the organic fertilizer for fermenting and biomass carbon mixing and stirring are configured to plantation
Soil, the planting soil includes the component of following mass percent:Waste 80%, new soil 5%, organic fertilizer 10%, biomass carbon
5%, some nutrient conditioning agents;
(5) detection packaging:After detection planting soil composition is qualified, planting soil is packed, send into warehouse for finished product.
Wherein new soil be without plantation quality be sandy loam or clay or soil moved in improve the original;
Biomass carbon is the bio-organic materials such as branch, agricultural stalk, the high temperature pyrolysis generation under conditions of anoxic
Solid product, particle size is 0.1~2mm;
Micro- fertilizer is copper fertilizer, boron fertilizer, molydbenum fertilizer, manganese fertilizer, iron fertilizer and zinc fertilizer;
Nutrient conditioning agent is urea, composite fertilizer and micro- fertilizer, fits specific actual conditions and adds, and accounts for the quality of planting soil
Ratio is 0.1%~3%.
It is first (the first process resource rate of building waste warp that the waste in the building waste of classification recovery cannot be carried out
50%~recovery renewable resource of classifying 60%), on a large scale (including larger-size concrete block and fragment of brick, reinforcing bar, wooden unit
Deng) after, the material of the remaining recovery that cannot largely classify again, its waste component wraps up in mud and mixing less than 15mm comprising soil, surface
(i.e. waste is to build for the solidifying finishing material such as soil block and fragment of brick, plastering material and gypsum material waste residue, the house refuse containing organic matter etc.
The mixtures such as the fine powder produced when clay, sand, sandstone waste residue and regeneration that building refuse screening process are produced.)
In order to verify beneficial effects of the present invention, comparative testing below has been done:
Contrast test 1
The comparative example is that step (1) is prepared planting soil using brick slag and concrete block with the difference of embodiment 1,
Use soil, ore, cinder and brick granulated slag of the building waste separation of first recovery etc..
Contrast test 2
The comparative example is that step (3) does not add bio-fermentation agent, and is not delivered to fermentation vat with the difference of embodiment 1
Fermented, directly prepared planting soil.
Contrast test 3
The comparative example is not add nutrient conditioning agent to prepare planting soil in step (3) with the difference of embodiment 1.
Contrast test 4
The comparative example is that step (4) does not add new soil to be prepared planting soil with the difference of embodiment 1.
Contrast test 5
The comparative example is that the planting soil includes the component of following mass percent with the difference of embodiment 1:Waste
40%th, new soil 45%, organic fertilizer 10%, biomass carbon 6%, some nutrient conditioning agents;
The planting soil prepared using embodiment 1~4 and contrast test 1~4, carries out cultivating plant turfgrass in gardens
(plant growth 1 month), its outside environmental elements all same, data such as following table is represented:
As seen from table, after-treatment building waste pair as if waste, rather than composition controllable brick slag and concrete, brick slag
Planting soil being prepared with concrete block and belonging to the material that the method for first treatment is obtained, the inapplicable present invention prepares the side of planting soil
Method;The gas permeability and the long-acting fertility of offer of the adjustable waste of organic fertilizer for fermenting.In addition, containing a large amount of in organic fertilizer
Microorganism live bacteria, the organic matter in waste can be carried out fermentation decomposition, be changed into fertilizer, can also solve house refuse organic matter
Pollution problem;Biomass carbon contains nutrient needed for plant in itself, can increase soil fertility, while having high specific surface
Product, can increase soil agreegate with improved soil mechanism, and retain water and nutrients, for microorganism provides habitat, improve soil aeration
Property, Adsorption of Heavy Metals reduces murder by poisoning of the harmful substance to plant;Microelement regulator is the trace element for adjusting waste, can
Micro adjustment is carried out according to plant growth characteristics;The water-retaining property of the new adjustable waste of soil so that the planting soil of preparation has good
The effect such as water conservation, fertilizer conservation.So that being up to more than 94%, phase using the turfgrass survival rate that planting soil prepared by the present invention is cultivated
There are good planting conditions for contrast test group.
The present invention has also done following experiment:
Planning plantation, uniform sowing, the seed of selection is the Thailand four seasons pakchoi of fruit court cards, by Tianjin Lv Zhimeng gardens
The seed of skill Co., Ltd production, the planting soil plantation that test group is obtained using embodiment 1~4, control group uses common kind
Soil plantation is planted, also from the planting soil plantation of the preparation of contrast test 1~5, every group is selected 100 seeds at random, observes its germination
Rate, experimental data is as shown in the table:
From table result, when pakchoi is planted, with germination percentage higher, highest can for the planting soil that the present invention is obtained
96% is reached, and the germination percentage of control group and contrast test is relatively low, and contrast test 1 is provided without the planting soil of waste preparation its hair
Bud rate minimum 80%.
In sum, using a kind of after-treatment building waste waste provided by the present invention prepare planting soil method and
The planting soil of acquisition, its method crushes organic materials in proportion, is firstly added bio-fermentation agent mixing, and next is added
Urea, is allowed to dry and wet suitably, carries out Rapid Fermentation into the organic fertilizer of nutrition, finally mixes and must plant with waste and new soil again
Soil.The planting soil has good water conservation, fertilizer conservation, ventilative and water permeable ability, and the plant cultivated grows fine, and branches and leaves are numerous
Cyclopentadienyl.Building waste waste is secondary using organotrophic planting soil is processed into, it is both the regeneration to construction material byproduct
Utilize, the social concerns such as land occupation, pollution environment can be solved again, realize the regeneration of resource.Building waste waste
It is a kind of through the remaining treatment that cannot classify again after first treatment, also cannot directly utilizes, the very big secondary pollution of the scale of construction
Thing.The first process resource rate of current building waste is low by about 50%~60%, and the remaining waste scale of construction is very big, and the present invention can be big
Amount treatment waste so that building waste by after first treatment again by after-treatment of the invention, resource rate improve to
More than 95%.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.