CN103483018A - Method for quickly decomposing tree branch and trunk residues - Google Patents
Method for quickly decomposing tree branch and trunk residues Download PDFInfo
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- CN103483018A CN103483018A CN201310399467.3A CN201310399467A CN103483018A CN 103483018 A CN103483018 A CN 103483018A CN 201310399467 A CN201310399467 A CN 201310399467A CN 103483018 A CN103483018 A CN 103483018A
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Abstract
The invention relates to a method for quickly decomposing tree branch and trunk residues, which comprises the following steps: collecting tree branches and trunks, preparing the material, selecting a place, sampling and calculating, regulating the C/N value of the material, composting fading substances and processing. The method effectively ensures the composting material to have suitable C/N value, humidity and oxygen mainly by pulverizing, regulating the humidity and C/N value of the material by immersion and increasing the hide lifting frequency, thereby implementing quick decomposition of the branch and trunk residues. The method solves the problem of nutrient loss due to slow natural decomposition and incineration of municipal tree branch cutting substances in northwest arid regions, and provides a novel method for recycling municipal garden tree branch and trunk resources.
Description
Technical field
The invention belongs to Decomposition of leaf litter control technique field, be specifically related to a kind of method of arid, the residual body of semiarid zone quick composting tree limb.
Background technology
Along with economy and social development, the city trees and shrubs greenery area increases sharply, and the quantity of the green waste in the gardens such as the beta pruning produced in the virescence maintenance process, thinnings, turfgrass and dry branches and fallen leaves also increases day by day.Under natural condition, the contained nutritive element of litter progressively returns to soil and absorbs for plant again after decomposition, and this is all extremely important to soil fertility maintenance and plant-growth.But, in actual procedure, for environmental beauty and keeping clean, a large amount of lignocelluloses of usining are that the main green waste in gardens is all artificially cleared up as rubbish, and concentrate unified landfill or burning.Although these methods can accomplish to a great extent subtract the appearance decrement, but the green waste in higher gardens for nutrient composition content, landfill means the waste of nutritive element, and expensive land price can make the cost of processing increase, simultaneously this processing mode also with the resident to sanitary require inconsistent.The simple process of the green waste in gardens can not adapt to the requirement of Sustainable development, and innoxious, recycling treatment is its inexorable trend, and compost is not only the effective means of processing the green waste in gardens, is also one for the treatment of process had very much development potentiality.
Compost is that the metabolism by microorganism is converted into stable soil ulmin by biodegradable organism in waste by biochemical action under optimum conditions.In general, though traditional anaerobic composting technique is simple, do not need extraneous oxygen supply, leavening temperature is low, and working cost is low, and digest process is slow, and fermentation period long (being generally 5~6 months), easily produce stench, and floor space is large, and finished product stability is poor.The composting process adopted at present generally is aerobic compost.Aerobic compost chemistry stable in properties, fast to organic matter degradation speed, degradation rate is high, and the compost cycle is short, and still, the quality of different compost materials and C thereof, N content there are differences, and this can affect the speed of becoming thoroughly decomposed of compost material.Tree limb contains a large amount of lignocelluloses, and the acceleration wood fibre is converted into soil ulmin just becomes the key that the quickening compost fully becomes thoroughly decomposed.
The rotten rapid decomposition method of litter outdoor heap autumn and winter that number of patent application is 200910013499.6, the underground type heap that is the mixture (take fallen leaves as main) for fallen leaves, fallen flowers, shedding, cladoptosis, the skin that falls is rotten, the method weak point is that the turning operation is more difficult, material is formed quantitatively not clear and definite, and adopt the mode spread fertilizer over the fields urea to regulate material C/N value, because of material C, N content difference and spread fertilizer over the fields the uneven effect that all can affect the adjusting of material C/N value.And the present invention piles rotten method fast for the ground type of tree limb specially, the turning simple operation, the material consumption is clear and definite, and adopts the immersion type of water-soluble urea to adjust material C/N value method, and this can improve the validity that material C/N value is regulated.。
Summary of the invention
The object of the invention is, the method for the residual body of a kind of quick composting tree limb is provided, and the collection of the method employing tree branches, material preparation, place are selected, sampled calculating, material C/N adjusting, composting litter and 7 steps of process processing and complete.The method mainly, by the mode of pulverizing, immersion type tune humidity of materials and C/N value, increase turning number of times, has effectively guaranteed that material has suitable C/N, humidity and oxygen, thereby has realized the quick composting of the residual body of the rotten branch of heap.The method has solved the problem that Northwest arid district urban trees branch lop natural decomposition is slow, burning causes nutrient loss, for Urban tree limb recycling provides a kind of novel method.
The method of the residual body of a kind of quick composting tree limb of the present invention follows these steps to carry out:
A, tree branches collect: carry out trees while managing and protecting at spring and autumn, collect and prune stem and the branch produced, and they are placed after drying and properly preserve in ventilation;
B, material are prepared: the branch and the stem that dry are ground into to the 5cm macrobead with pulverizer, and fully mix;
C, place select: be convenient at urban fringe the place that material is prepared and managed and protected, select the more smooth spaciousness place of landform, according to inventory the number determine site area;
D, sampling are calculated: the material rotten to prepare heap samples, weigh, under 65 ℃ of conditions of temperature, dry to constant weight, survey its water ratio, and analyze organic C, full dose N content, calculate the ratio C/N value of material total carbon content and total nitrogen content, according to the actual C/N value of material, take urea as conditioning agent, the consumption of urea when the C/N value of calculating adjusting material is 25:1;
E, material C/N value are regulated: according to weight of material, prepare water by 180% of litter dry matter weight, and urea is added to the water, be stirred well to urea and dissolve rear standby fully;
F, the composting litter: the plastic film that the quality of having reduced is abundant is layered on ground, on the plastic film that material stem and branch: grass=2:1 is deposited in, then the ground film edge is turned up and made it be concavity, press 180% of material dry weight, be dissolved with the aqueous solution of urea with mode unreasonable like a shrew step e unreasonable like a shrew on the stacking material, then plastic covering film, compacting, place after 5-6 hour, material is spread out, evenly be sprinkled into the microbial straw quick rotting agent, turning is banked up after mixing again, stacking height is 1-1.2m, after heap is good, with plastic film, cover, compacting, cover night with reed mat,
G, process are processed: the temperature of 40cm depths in every morning 12:00 observation composting litter, carried out turning every 3-4 days, and the heap corruption tends to be steady to piling temperature, and material is held while referring to twist with the fingers soft, frangible, and color is Vandyke brown, and when rotten rustic flavor is arranged, heap is rotten finishes.
Step f microbial straw quick rotting agent is used by 2 times of commercially available working instructions consumption.
The spring prosperous board microbial straw quick rotting agent that microbial straw quick rotting agent used herein is the prosperous biotechnology limited liability company production of Beijing spring, the formal registration card number of fertilizer: the accurate word of microorganism fertilizer (2003) (0095) number (CompanyAddress: No. 129, the Changping District Bai Quan village, Technology Park, Zhongguancun, Beijing City).The microbial straw quick rotting agent is used by 2 times of commercially available working instructions consumption.
Advantage of the present invention and beneficial effect:
The present invention proposes a kind of specially for the rapid decomposition method of tree limb, to solve the residual body recycling of cities of arid area ornamental trees and shrubs limb problem, for the residual body of Urban tree limb, processes and has proposed effective ways.Working method of the present invention is simple, and theory is clearly understandable, can quick composting trees stem, the residual body of branch.
With respect to the decomposition of leaf, tree limb is difficult to decomposition because content of lignin is high, and especially the Northwest arid district Urban tree is main mainly with Chinese wax, elm, willow, and the quality of these trees stems, branch is harder, and natural decomposition speed is slow.The principal feature of the method for the invention is the quantification on material proportion, humidity of materials and C/N control method, microbial inoculum consumption and these key links of microbial inoculum application process, this has effectively guaranteed that material piles the rotten required conditions such as humidity, oxygen and C/N fast, thereby has realized the quick composting of the residual body of tree limb in the rotten process of heap.
The results showed: the method for the invention can improve the heap temperature fast, effectively shorten the rotten cycle of heap, in 3-4 days, the rotten temperature of heap reaches the highest temperature, temperature oscillation descends afterwards, and after 18-30 days, the heap temperature has again oscillation on small scale rising (cycle is about 15 days), but can not surpass the top temperature of heap during the rotten initial stage all the time, after this pile temperature held stationary and close with outside air temperature always, the material color is Vandyke brown, and quality is loose.
Tree limb after becoming thoroughly decomposed, not only can be applicable to horticultural production, and the organic fertilizer of the nutraceutical matrix of producing as flowers and plants, green cover thing, lawn maintenance, flowers, crop etc., also can be used for soil texture improvement.
Embodiment
Embodiment 1:
Tree limb is collected: carry out trees while managing and protecting at spring and autumn, collect and prune stem and the branch produced, and they are placed after drying and properly preserve in ventilation;
Material is prepared: the branch and the stem that dry are ground into to the 5cm macrobead with pulverizer, and fully mix;
Place is selected: in Kelamayi City outer rim (base, nursery), select the more smooth spaciousness place of landform, be defined as piling rotten place;
Sampling is calculated: the material rotten to prepare heap samples, weigh, under 65 ℃ of conditions of temperature, dry to constant weight, survey its water ratio, and analyze organic C, full dose N content, calculate the material total carbon content and be worth with the ratio (C/N) of total nitrogen content, according to the actual C/N value of material, take urea as conditioning agent, the quality that the C/N value of calculating the adjusting material is the required urea of 25:1;
Material C/N value is regulated: according to weight of material, prepare water by 180% of litter dry matter weight, and by institute's expense, urea is added to the water, be stirred well to urea and dissolve rear standby fully;
The composting litter: the abundant black plastic mulch film of the quality that is 5m x 5m by size is layered on ground, by 200 kg materials (stem and branch: grass=2:1) be deposited on the black plastic mulch film, then the ground film edge is turned up and made it be concavity, the aqueous solution that 360kg is dissolved with to 3kg urea is unreasonable like a shrew on material, guarantee that material is all drenched by solution as far as possible, then plastic covering film, compacting, place after 5-6 hour, material is spread out, evenly be sprinkled into the microbial straw quick rotting agent by 2 times of commercially available working instructions consumptions, turning is banked up after mixing again, stacking height is 1m, after heap is good, with plastic film, cover, compacting, cover night with reed mat,
Process is processed: the temperature of 40cm depths in observation composting litter about 12 o'clock every mornings, carried out turning every 3-4 days, heap is piled temperature after rotten 30 days and is tended to be steady, and after 41 days, material is held while referring to twist with the fingers soft, frangible, color is Vandyke brown, and when rotten rustic flavor is arranged, heap is rotten finishes.
Embodiment 2:
Tree limb is collected: carry out trees while managing and protecting at spring and autumn, collect and prune stem and the branch produced, and they are placed after drying and properly preserve in ventilation;
Material is prepared: the branch and the stem that dry are ground into to the 5cm macrobead with pulverizer, and fully mix;
Place is selected: in Kelamayi City outer rim (base, nursery), select the more smooth spaciousness place of landform, be defined as piling rotten place;
Sampling is calculated: the material rotten to prepare heap samples, weigh, under 65 ℃ of conditions of temperature, dry to constant weight, survey its water ratio, and analyze organic C, full dose N content, calculate the ratio C/N value of material total carbon content and total nitrogen content, according to the actual C/N value of material, take urea as conditioning agent, the consumption of required urea when the C/N value of calculating adjusting material is 25:1;
Material C/N value is regulated: according to weight of material, prepare water by 180% of litter dry matter weight, and by institute's expense, urea is added to the water, be stirred well to urea and dissolve rear standby fully;
The composting litter: the abundant black plastic mulch film of the quality that is 4 m x 4 m by size is layered on ground, by 50kg material (stem and branch: grass=2:1) stack on the black plastic mulch film, then the ground film edge is turned up and made it be concavity, the aqueous solution that 90kg is dissolved with to 0.8kg urea is unreasonable like a shrew on material, guarantee that material is all drenched by solution as far as possible, then plastic covering film, compacting, place after 5-6 hour, material is spread out, evenly be sprinkled into the microbial straw quick rotting agent by 2 times of commercially available working instructions consumptions, turning is banked up after mixing again, stacking height is 1.2m, after heap is good, with plastic film, cover, compacting, cover night with reed mat,
Process is processed: observe the temperature of 40cm depths in the composting litter about 12 o'clock every mornings, carried out turning every 3-4 days, heap is piled temperature after rotten 50 days and is tended to be steady, and after 61 days, material is held softness, frangible while referring to twist with the fingers, and color is Vandyke brown, and heap is rotten to be finished.
The results showed: the method for the invention can improve the heap temperature fast, effectively shorten the rotten cycle of heap, reach 66.7 ℃ of the highest temperatures the 3rd day heap temperature, temperature remains on 50 ℃ of left and right afterwards, fast-descending after the 12nd day, drop to 33 ℃ on the 17th day, in 18th~30 days, the heap temperature has again oscillation on small scale to rise, but the top temperature while not have all the time over the 3rd day; In 31~41 days, the heap temperature remains on 32 ℃ of left and right (close with outside air temperature) always, and after 61 days, the material color is Vandyke brown, and quality is loose.
Claims (2)
1. the method for the residual body of quick composting tree limb is characterized in that following these steps to carrying out:
A, tree branches collect: carry out trees while managing and protecting at spring and autumn, collect and prune stem and the branch produced, and they are placed after drying and properly preserve in ventilation;
B, material are prepared: the branch and the stem that dry are ground into to the 5cm macrobead with pulverizer, and fully mix;
C, place select: be convenient at urban fringe the place that material is prepared and managed and protected, select the more smooth spaciousness place of landform, according to inventory the number determine site area;
D, sampling are calculated: the material rotten to prepare heap samples, weigh, under 65 ℃ of conditions of temperature, dry to constant weight, survey its water ratio, and analyze organic C, full dose N content, calculate the ratio C/N value of material total carbon content and total nitrogen content, according to the actual C/N value of material, take urea as conditioning agent, the consumption of urea when the C/N value of calculating adjusting material is 25:1;
E, material C/N value are regulated: according to weight of material, prepare water by 180% of litter dry matter weight, and urea is added to the water, be stirred well to urea and dissolve rear standby fully;
F, the composting litter: the plastic film that the quality of having reduced is abundant is layered on ground, on the plastic film that material stem and branch: grass=2:1 is deposited in, then the ground film edge is turned up and made it be concavity, press 180% of material dry weight, be dissolved with the aqueous solution of urea with mode unreasonable like a shrew step e unreasonable like a shrew on the stacking material, then plastic covering film, compacting, place after 5-6 hour, material is spread out, evenly be sprinkled into the microbial straw quick rotting agent, turning is banked up after mixing again, stacking height is 1-1.2m, after heap is good, with plastic film, cover, compacting, cover night with reed mat,
G, process are processed: the temperature of 40cm depths in every morning 12:00 observation composting litter, carried out turning every 3-4 days, and the heap corruption tends to be steady to piling temperature, and material is held while referring to twist with the fingers soft, frangible, and color is Vandyke brown, and when rotten rustic flavor is arranged, heap is rotten finishes.
2. method according to claim 1, is characterized in that step f microbial straw quick rotting agent uses by 2 times of commercially available working instructions consumption.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105145915A (en) * | 2015-09-24 | 2015-12-16 | 广西防城港市宏峰农林开发有限公司 | Method for comprehensive utilization of Baishiya tea |
CN107867928A (en) * | 2017-10-23 | 2018-04-03 | 昆明理工大学 | A kind of fermentation process of semi-decomposed material and application |
CN108271451A (en) * | 2017-12-15 | 2018-07-13 | 昆明理工大学 | A method of it is laid the dust using the fermentation residual branch of trees and subtracts haze |
CN108675848A (en) * | 2018-07-28 | 2018-10-19 | 浙江鹭林生态环境有限公司 | Gardens organic waste crushes facility for granulating and fertilizer manufacture |
CN113860930A (en) * | 2021-10-18 | 2021-12-31 | 苏州金螳螂园林绿化景观有限公司 | Efficient degradation method for greening waste composting |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101696128A (en) * | 2009-10-26 | 2010-04-21 | 克拉玛依市克拉玛依区园林绿化管理局 | Method for rapidly rotting composting of litter in the open in autumn / winter |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101696128A (en) * | 2009-10-26 | 2010-04-21 | 克拉玛依市克拉玛依区园林绿化管理局 | Method for rapidly rotting composting of litter in the open in autumn / winter |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105145915A (en) * | 2015-09-24 | 2015-12-16 | 广西防城港市宏峰农林开发有限公司 | Method for comprehensive utilization of Baishiya tea |
CN107867928A (en) * | 2017-10-23 | 2018-04-03 | 昆明理工大学 | A kind of fermentation process of semi-decomposed material and application |
CN108271451A (en) * | 2017-12-15 | 2018-07-13 | 昆明理工大学 | A method of it is laid the dust using the fermentation residual branch of trees and subtracts haze |
CN108675848A (en) * | 2018-07-28 | 2018-10-19 | 浙江鹭林生态环境有限公司 | Gardens organic waste crushes facility for granulating and fertilizer manufacture |
CN113860930A (en) * | 2021-10-18 | 2021-12-31 | 苏州金螳螂园林绿化景观有限公司 | Efficient degradation method for greening waste composting |
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