CN104496586A - Stacking composting method based on livestock bodies - Google Patents

Stacking composting method based on livestock bodies Download PDF

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Publication number
CN104496586A
CN104496586A CN201410843616.5A CN201410843616A CN104496586A CN 104496586 A CN104496586 A CN 104496586A CN 201410843616 A CN201410843616 A CN 201410843616A CN 104496586 A CN104496586 A CN 104496586A
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compost
carcass
heap
composting
carbon source
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何晓芳
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FUJIAN CHUNJING AGRICULTURE AND PASTURE Co Ltd
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FUJIAN CHUNJING AGRICULTURE AND PASTURE Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Abstract

The invention discloses a stacking composting method based on livestock bodies. The composting method comprises the following steps A, composting; B, composting in a first stage; C, pile-turning; D, composting in a second stage: standing to pile to be decomposed; E, if the weight of the livestock body is less than 50kg, completing composting, wherein the composting period is 1.5-2 months, if the weight of the livestock body is greater than 50kg, repeating the steps C and D till the livestock body is decomposed after the steps A and B; and G, sieving the decomposed materials to obtain a material which is an organic fertilizer. The composting method disclosed by the invention is used for disposing most dead livestock and wastes such as mushroom residues and tobacco wastes by operation with minimum labor and without any secondary pollution. Meanwhile, bacteria are not additionally added and the materials are collected in a uniform manner, so that the method is simple, convenient and economical and safe, the production benefit is improved, the resources are saved, and the cost is lowered. The composting method which is popularized facilitates safe and effective treatment of the dead livestock, so that the existing ecological environment is improved.

Description

A kind of stack type compost method based on carcass
Technical field the present invention relates to the treatment process of a kind of dead livestock, particularly relates to a kind of stack type compost method based on carcass, belongs to the dead carcass innoxious process for treating field in aquaculture.
Background technology is current, in aquaculture dead livestock and poultry treatment process mainly contain buried, burn, commercial grease refines and processes.Buried meeting pollutes soil and groundwater; Burn cost high and have pollution to air; It is low that grease refines biological safety, and pathogenic micro-organism is diffusive transport in transportation easily, so dead poultry is carried out compost treatment, the method turned waste into wealth is adopted by increasing breeding enterprise.
Compost is used for bird by developed country, the research of pig and the process of ruminating animal corpse has report repeatly, the such as dead poultry compost of Ohio State Univ-Columbus USA's Moeller doctor research and development, very deep research is had in problem that the security of compost, economic benefit, feasibility, the controllable factor of compost, key point, composting process may run into etc., the bio-security department of Australia, New Zealand, America & Canada recognizes the advantage of carcase compost treatment technology, it can be used as the prefered method of daily and urgent dead animal process.
Very detailed experiment has been done in the ventilation of the people such as the Chinese Academy of Agricultural Sciences's Guo Dongpo to dead poultry compost, and the ventilation rate proposing the box compost of dead pig is not more than the suggestion that 100L/ (m3min) and compost time are no less than 6 weeks, the time that temperature remains on 55 DEG C can meet the innoxious hygienic requirements to compost temperature of " decontamination of human excreta hygienic standard " (GB7959-87) and " feces of livestock and poultry innoxious process for treating specification " (NY/T1168-2006) completely.
According to " animals with diseases and animals with diseases product Biosafety process code " (GB16548-2006), current domestic dead livestock and poultry treatment process mainly contains landfill, burning and change system.Pathogenic bacteria and the degraded chemical product thereof of landfill carcase have great Pollution risk to earth's surface and underground water; Not only energy consumption is high to burn carcase, and can produce the atmospheric polluting material such as Dioxins and furans, and need to carry out cutting dismemberent for comparatively large animal corpse, therefore small incinerator is impracticable, and large-scale incinerator only has one, Shanghai in China; The construction investment of Hua Zhi factory is high, changes odor pollution in process processed serious, and carcase collection transport exists epidemic disease propagation risk, and domestic application is less.In view of the limitation of above carcase treatment technology, developed country and China all try to explore other harmless treatment new technology, and compost receives publicity with the feature of its safety, environmental protection and practicality.
Such as, number of patent application is 103588513A, patent name is the patent of invention of " a kind of compost method of dead poultry ", propose a kind of compost method of dead poultry, by steps such as windrow, first stage compost, stirring and subordinate phase compost, dead poultry is processed, and composting production can be used as fertilizer.This patent adopts the composting mode of storehouse van-type, its operation is comparatively complicated, and the composting mode of storehouse van-type is only suitable for extensive pig farm, as bad in grasped for middle-size and small-size pig farm composting technology, then can cause more Peril Incidents, Given this, be necessary design industrial composting method process carcass, with comprehensive treating process, harm reduced to minimum.
Summary of the invention, in order to overcome the deficiencies in the prior art, the object of this invention is to provide a kind of cost reasonable, environmental sound, while killing pathogenic bacteria, easy and simple to handle, the stack type compost method of harmless treatment carcass.
A kind of stack type compost method based on carcass of the present invention, its spy is being: described compost method comprises:
A, compost: first for organic carbon source material premix is merged and regulates water content to be 40-50%, then pave 40-50 centimetre on the ground high as padding layer; Plane fanning one deck carcass in padding layer; Carcass is spread the good organic carbon source material of pre-mixing 30 centimeters high; To tile again one deck carcass; The good organic carbon source material of pre-mixing 30 centimeters high is spread again on carcass; To tile again one deck carcass; Finally on carcass, spread the good organic carbon source material of pre-mixing 50 centimeters, form tectum;
B, first stage compost: the moisture content of material regulating heap body is 40-50%, and organic carbon source mixtures of materials C/N controls at 25-40%, under these conditions quiet heap 30-35 days;
C, turning: after quiet heap 30-35 days or when the turning of whole heap body then mixes lower than when 45 degree by heap temperature, after heap surface cover the high fresh padding layer of one deck 5-10 centimetre;
D, subordinate phase compost: Jing Dui are to becoming thoroughly decomposed;
If E carcass is below 50kg, then compost is complete, and composting cycle is 1.5-2 month; If carcass is greater than 50kg, after having carried out A, step B, C, D step has repeated 2-3 time, until become thoroughly decomposed;
G, be 0.6-0.8cm sieving machine by the material become thoroughly decomposed by aperture, unsifted material enters next fresh heap body and ferments together, and the material obtained that sieves is fertilizer.
Further, in the first stage composting process of described step B, the pH value of heap body material is 5-9, and oxygen level is 8-18%, and after compost 2-3 days, the temperature of heap body material reaches 50-65 DEG C.
Further, in the subordinate phase composting process of described step D, the pH value of heap body material is 5-9, and oxygen level is 8-18%, and after compost 2-3 days, the temperature of heap body material reaches 50-65 DEG C.
The present invention, in the composting process of step B first stage compost, only needs the C/N (carbon-nitrogen ratio) of strict control organic carbon source mixtures of materials and the moisture content of heap body material; Other key influence factors (ventilation rate, potential of hydrogen and temperature) all can reach compost requirement.
Due to the important nutritional condition that carbon-nitrogen ratio is microbial activities, in order to make the microbial nutrition of participation organic substance decomposing be in equilibrium state, compost carbon-nitrogen ratio should meet the optimum value 25 ~ 40 needed for microorganism, is more preferably 25 ~ 35.
Moisture content is the important parameter controlling composting process, because moisture be microbe survival breeding required material, and due to absorb water soften after composting material be easily decomposed, when moisture moves in compost, thalline and nutrient can being made everywhere to moving, being conducive to becoming thoroughly decomposed evenly; Meanwhile, moisture also has the effect regulating ventilation in heap.Research is thought, compost water content control is advisable at 40-50%.
Ventilation oxygen supply is one of successful key factor of compost.The aerobic number of compost is closely bound up with organic content in composting material, and in composting material, organic carbon the more, and its consumption rate is larger.Compost initial decomposition, the mainly active procedure of aerobe, need good aeration condition.If poor aeration, aerobic bacteria is suppressed, and compost maturity is slow; On the contrary, Sheng of ventilating, not only the interior moisture of heap and nutrient loss are too much, and cause organic intensive decomposition, also unfavorable to the accumulation of soil ulmin.Therefore, banking up early stage and first stage compost requirement fertilizer heap should not be too tight.Later stage and subordinate phase compost gas of holding concurrently is conducive to oxygen and preserves, and reduces volatilization loss, therefore requires that fertile heap suitably compresses.Research is thought, the oxygen level in heap body remains on 8-18%.Oxygen level can cause anaerobically fermenting lower than 8% and produce stench; Oxygen level can make heap body cool higher than 18%, causes the large number of viable of pathogenic bacteria.
Potential of hydrogen preserves material impact to microbial activities and nitrogen element.The degraded activity of microorganism, needs the envrionment conditions of a subacidity or neutrality, and the pH value of general requirement is 6.5, aerobic fermentation has a large amount of ammonium nitrogen to generate, pH value is raised, and fermentation whole process is all in alkaline environment, and the disadvantageous effect of high ph-values environment mainly increases nitrogen loss.
For compost, temperature is the smooth important factor of compost, and the effect of temperature affects microbial growth.Research shows, high temperature bacterium to the degradation efficiency of fertilizer higher than mesophilic bacteria.Time first compost (first day after first stage compost first day or turning), heap temperature is general consistent with envrionment temperature, through the effect of mesophilic bacteria 2-3 days, compost temperature just can reach a high temperature the ideal temperature 50-65 DEG C of bacterium, at this high temperature, compost only needs can reach for 7-10 days and eliminates harmful levels of pathogens and roundworm egg etc.
In the present invention, the raw material bacterium mushroom slag used, the main component of bacterium mushroom slag is the material that sawdust, the assorted dregs of rice etc. are softer, porosity between these materials is larger, and moisture controlled is at 40-50%, raw material can not be adhered very much, is conducive to air and enters heap body, the oxygen level that the present invention piles in body remains on 8-18%, does not need extra artificial, machinery increase oxygen.Bacterium mushroom slag pH value 8.8 in the present invention, offal pH value 5.8, scope all within 5-9, therefore without the need to carrying out potential of hydrogen control.Fermenting process top temperature to 65 degree of the present invention, lowest temperature is 48 degree, and the time length can reach 28 days, without the need to manually additionally adding temperature control system, saves cost.
In steps A of the present invention, described organic carbon source material is bacterium mushroom slag and offal, without the need to using sawdust, not only can reduce the felling of trees, but also can reduce costs.Wherein, described bacterium mushroom slag and the volume ratio of offal are 1:1-2.
Between described step e and G, also comprise step F: the material after becoming thoroughly decomposed carries out germination test, use celery seed, germination index is more than more than 50%, and the material obtained is decomposed manure.Compost method of the present invention adopt germination test to judge innovatively whether compost becomes thoroughly decomposed, whether compost is become thoroughly decomposed determination methods.
In described steps A composting process, the carcass of every layer does not superpose.
In described step G, unsifted material is not for fermenting bone completely.
Compared with prior art, advantage of the present invention has:
1, running is simple, and a manure unity only needs turning 2-4 time, the anhydrous discharge of odorless, easy health.Working cost only needs 2-4 unit/kg, and low cost is workable, and return is fast.The composting process process carcass time is short, greatly saves raw-material cost, makes fertilizer and sells, produce economic benefit.
2, the present invention is without the need to additionally adding any bacterial classification, but temperature keeps the time of more than 55 degree to be more than 28 days, complete energy meets the innoxious hygienic requirements to compost temperature of " decontamination of human excreta hygienic standard " (GB7959-87) and " feces of livestock and poultry innoxious process for treating specification " (NY/T1168-2006), after test 14d, excrement colibacillus group number can meet the innoxious requirement of relevant criterion, greatly saves composting cost.
3, compost operation of the present invention without the need to carrying out in casing, not only cost-saving, and be convenient to the mechanize runnings such as forklift.
4, compost method of the present invention uses organic carbon source material to be agriculture and industry waste, and the sawdust made without the need to using wood, not only protects forest, further improves the ecotope of periphery, impels sustainable economic development.
5, compost method of the present invention adopt germination test to judge innovatively whether compost becomes thoroughly decomposed, whether compost is become thoroughly decomposed determination methods.
6, compost method of the present invention adopts Jing Dui, not only easy and simple to handle, and carcass with proliferation of germs possibility drop to minimum.
7, compost method of the present invention is without the need to adopting blower ventilation, but temperature effect is still remarkable, not only reduces costs, and prevents proliferation of germs.
8, in compost method of the present invention, unsifted bone does not adopt the mode of landfill, but proceeds to new compost and make its slaking, reduces ecological environmental pollution.
9, compost method of the present invention only need regulate initial moisture and the C/N ratio of organic carbon source material, and does not need other conditions regulating whole heap body, simple to operation.
10, compost method of the present invention only needs turning 2-4 time at whole composting process, greatly reduces proliferation of germs.
11, the present invention is in composting process, and when compost 14 days, intestinal bacteria quantity can reach relevant national standard.
12, compost method of the present invention does not need to use baking procedure, reduces cost.
In a word, compost method of the present invention with minimum labour and without the maximum dead poultry of the manipulation of any secondary pollution and other industrial or agricultural as bacterium mushroom slag, offal the like waste.Meanwhile, the present invention is without the need to adding bacterium in addition, and material is unified to be collected, and easy, economic security, improves productivity effect, economize on resources, reduce costs.The popularization of compost method of the present invention, is conducive to the safe and effective process of dead poultry, greatly reduces and even stop to throw out dead pig phenomenon without care, improve existing ecotope, promote aquaculture sustainable health development.The fertilizer produced also can improve soil fertility in field, to crop alimentary material, reduces ecological damage, realizes sustainable economic development.
Embodiment
Embodiment 1
Based on a stack type compost method for carcass, described compost method comprises:
A, compost: first for organic carbon source material premix is merged and regulates water content to be 40-50%, then pave 40 centimeters high as padding layer on the ground; Plane fanning one deck carcass in padding layer; Carcass is spread the good organic carbon source material of pre-mixing 30 centimeters high; To tile again one deck carcass; The good organic carbon source material of pre-mixing 30 centimeters high is spread again on carcass; Tile one deck carcass, every layer of corpse does not superpose again; Finally on carcass, spread the good organic carbon source material of pre-mixing 50 centimeters, form tectum; Bacterium mushroom slag and the offal of described organic carbon source material to be volume ratio be 1:1.
B, first stage compost: the moisture content of material regulating heap body is 40-50%, and organic carbon source mixtures of materials C/N controls at 25-40%, under these conditions quiet heap 30 days; In this composting process, the pH value of heap body material is 5.0-9.0, and oxygen level is 8-18%, and after compost 2-3 days, the temperature of heap body material reaches 50-65 DEG C.
C, turning: the turning of whole heap body mixed after 30 days by quiet heap, after heap surface cover the high fresh padding layer of one deck 5 centimeters;
D, subordinate phase compost: Jing Dui are to becoming thoroughly decomposed; In this composting process, the pH value of heap body material is 5.0-9.0, and oxygen level is 8-18%, and after compost 1-2 days, the temperature of heap body material reaches 50-65 DEG C.
E, carcass are below 35kg, and compost is complete, and composting cycle is 1.5 months, until become thoroughly decomposed;
F: the material after becoming thoroughly decomposed carries out germination test, use celery seed, germination index is more than more than 50%, and material is decomposed manure;
G, by the material that the becomes thoroughly decomposed sieving machine by aperture 0.6-0.8cm, the unsifted material bone etc. completely that such as do not ferment enters next fresh heap body and ferments together, and the material obtained that sieves is fertilizer.
Embodiment 2
Based on a stack type compost method for carcass, described compost method comprises:
A, compost: first for organic carbon source material premix is merged and regulates water content to be 40-50%, then pave 50 centimeters high as padding layer on the ground; Plane fanning one deck carcass in padding layer; Carcass is spread the good organic carbon source material of pre-mixing 30 centimeters high; To tile again one deck carcass; The good organic carbon source material of pre-mixing 30 centimeters high is spread again on carcass; Tile one deck carcass, every layer of corpse does not superpose again; Finally on carcass, spread the good organic carbon source material of pre-mixing 50 centimeters, form tectum; Bacterium mushroom slag and the offal of described organic carbon source material to be volume ratio be 1:2.
B, first stage compost: the moisture content of material regulating heap body is 40-50%, and organic carbon source mixtures of materials C/N controls at 25-40%, under these conditions quiet heap 35 days; In this composting process, the pH value of heap body material is 5.0-9.0, and oxygen level is 8-18%, and after compost 2-3 days, the temperature of heap body material reaches 50-65 DEG C.
C, turning: the turning of whole heap body, after 35 days, mixes by quiet heap, after heap surface cover the high fresh padding layer of one deck 6 centimeters;
D, subordinate phase compost: Jing Dui are to becoming thoroughly decomposed; In this composting process, the pH value of heap body material is 5.0-9.0, and oxygen level is 8-18%, and after compost 1-2 days, the temperature of heap body material reaches 50-65 DEG C.
E, carcass are below 45kg, and compost is complete, and composting cycle is 2 months;
F: the material after becoming thoroughly decomposed carries out germination test, use celery seed, germination index is more than more than 50%, and namely material is decomposed manure;
G, be the sieving machine of 0.6-0.8cm by the material become thoroughly decomposed by aperture, the unsifted material bone etc. completely that such as do not ferment enters next fresh heap body and ferments together, and the material obtained that sieves is fertilizer.
Embodiment 3
Based on a stack type compost method for carcass, described compost method comprises:
A, compost: first for organic carbon source material premix is merged and regulates water content to be 40-50%, then pave 44 centimeters high as padding layer on the ground; Plane fanning one deck carcass in padding layer; Carcass is spread the good organic carbon source material of pre-mixing 30 centimeters high; To tile again one deck carcass; The good organic carbon source material of pre-mixing 30 centimeters high is spread again on carcass; Tile one deck carcass, every layer of corpse does not superpose again; Finally on carcass, spread the good organic carbon source material of pre-mixing 50 centimeters, form tectum; Bacterium mushroom slag and the offal of described organic carbon source material to be volume ratio be 1:1.5.
B, first stage compost: the moisture content of material regulating heap body is 40-50%, and organic carbon source mixtures of materials C/N controls at 25-40%, under these conditions quiet heap 28 days; In this composting process, the pH value of heap body material is 5.0-9.0, and oxygen level is 8-18%, and after compost 2-3 days, the temperature of heap body material reaches 50-65 DEG C.
C, turning: quiet heap is after 31 days, and the turning of whole heap body, lower than 45 degree, mixes by heap temperature, after heap surface cover the high fresh padding layer of one deck 10 centimeters;
D, subordinate phase compost: Jing Dui are to becoming thoroughly decomposed; In this composting process, the pH value of heap body material is 5.0-9.0, and oxygen level is 8-18%, and after compost 1-2 days, the temperature of heap body material reaches 50-65 DEG C.
E, carcass are more than 50kg, C, D step repeats 2 times, until become thoroughly decomposed;
F: the material after becoming thoroughly decomposed carries out germination test, use celery seed, germination index is more than more than 50%, and the material namely obtained is decomposed manure;
G, be the sieving machine of 0.6-0.8cm by the material become thoroughly decomposed by aperture, the unsifted material bone etc. completely that such as do not ferment enters next fresh heap body and ferments together, and the material obtained that sieves is fertilizer.
Embodiment 4
Based on a stack type compost method for carcass, described compost method comprises:
A, compost: first for organic carbon source material premix is merged and regulates water content to be 40-50%, then pave 48 centimeters high as padding layer on the ground; Plane fanning one deck carcass in padding layer; Carcass is spread the good organic carbon source material of pre-mixing 30 centimeters high; To tile again one deck carcass; The good organic carbon source material of pre-mixing 30 centimeters high is spread again on carcass; Tile one deck carcass, every layer of corpse does not superpose again; Finally on carcass, spread the good organic carbon source material of pre-mixing 50 centimeters, form tectum; Bacterium mushroom slag and the offal of described organic carbon source material to be volume ratio be 1:1.8.
B, first stage compost: the moisture content of material regulating heap body is 40-50%, and organic carbon source mixtures of materials C/N controls at 25-40%, under these conditions quiet heap 35 days; In this composting process, the pH value of heap body material is 5.0-9.0, and oxygen level is 8-18%, and after compost 2-3 days, the temperature of heap body material reaches 50-65 DEG C.
C, turning: the turning of whole heap body, after 35 days, mixes by quiet heap, after heap surface cover the high fresh padding layer of one deck 5-10 centimetre;
D, subordinate phase compost: Jing Dui are to becoming thoroughly decomposed; In this composting process, the pH value of heap body material is 5.0-9.0, and oxygen level is 8-18%, and after compost 1-2 days, the temperature of heap body material reaches 50-65 DEG C.
E, carcass are more than 55kg, C, D step repeats 3 times, until become thoroughly decomposed;
F: the material after becoming thoroughly decomposed carries out germination test, use celery seed, germination index is more than more than 50%, and the material namely obtained is decomposed manure;
G, be the sieving machine of 0.6-0.8cm by the material become thoroughly decomposed by aperture, the unsifted material bone etc. completely that such as do not ferment enters next fresh heap body and ferments together, and the material obtained that sieves is fertilizer.
Detection in embodiment 1-embodiment 4 composting process and to each index of the fertilizer obtained.
1, the microbiology of embodiment 1-embodiment 4 compost material and parasitology detect: using microbe colony counting method and microscopic counting, respectively the 0th day, 14 days compost materials are carried out to the number change of sampling Detection colibacillus of excrement, Salmonellas and roundworm egg, and identified by biochemical reaction.Detected result is in table 1.Result shows: within 14 days, heap body intestinal bacteria, Salmonellas, roundworm egg quantity can meet " NYT 1168-2006 feces of livestock and poultry innoxious process for treating specification " compost afterwards.
Microbiology and the parasitology of table 1 embodiment 1-embodiment 4 compost material detect
2, the fertilizer obtained embodiment 1-embodiment 4 carries out pathogenic agent (comprising colibacillus of excrement, Salmonellas etc.) residue detection, and carries out the detection of odor concentration, and detected result is in table 2.Result shows, the fertilizer colibacillus of excrement obtained is residual is less than 10 5, Salmonellas noresidue, reaches the requirement of " NYT 1168-2006 feces of livestock and poultry innoxious process for treating specification "; Odor concentration is less than 70, reaches the requirement of " GB18596-2001 livestock and poultry breeding industry pollutant emission standard ".
The fertilizer pathogenic agent that table 2 embodiment 1-embodiment 4 obtains and odor concentration
3, the time length of embodiment 1-embodiment 4 heap temperature and temperature is detected.Result shows, embodiment 1-embodiment 4 is in composting process, and heap temperature is 50-65 DEG C, and the number of days of temperature more than 55 DEG C reaches more than 28 days, reaches the innoxious hygienic requirements to compost temperature.Detection method is: from the 1st week, and every day, monitor temperature and moisture, observed the changing conditions of these indexs.
Embodiment 1 and embodiment 2, because carcass is at below 50kg, after turning 1-3 days every days testing temperature, the 4th day starts every 3 days testing temperatures record.In embodiment 3 and embodiment 4, because carcass is at more than 50kg, after first time compost, turning regulate moisture again after month, until become thoroughly decomposed completely, compost terminates to obtain the stable fertilizer become thoroughly decomposed through sieving.
4, apply national regulation detection technique, detect organic matter, N+P+K, moisture content in the fertilizer of embodiment 1-embodiment 4 maturation, the results are shown in Table 3.Result shows, fertilizer organic content prepared by compost method of the present invention is greater than 54%, N+P+K content (nitrogen+phosphorus+potassium) and is greater than 5%, and moisture content is less than 30%, the standard that these indexs all reach " NY 525-2012 organic fertilizer ".
Table 3 detects organic matter, N+P+K, moisture content in the fertilizer of embodiment 1-embodiment 4 maturation

Claims (8)

1. based on a stack type compost method for carcass, its spy is being: described compost method comprises:
A, compost: first for organic carbon source material premix is merged and regulates water content to be 40-50%, then pave 40-50 centimetre on the ground high as padding layer; Plane fanning one deck carcass in padding layer; Carcass is spread the good organic carbon source material of pre-mixing 30 centimeters high; To tile again one deck carcass; The good organic carbon source material of pre-mixing 30 centimeters high is spread again on carcass; To tile again one deck carcass; Finally on carcass, spread the good organic carbon source material of pre-mixing 50 centimeters, form tectum;
B, first stage compost: the moisture content of material regulating heap body is 40-50%, and organic carbon source mixtures of materials C/N is 25-40%, under these conditions quiet heap 30-35 days;
C, turning: after quiet heap 30-35 days or when the turning of whole heap body then mixes lower than when 45 degree by heap temperature, after heap surface cover the high fresh padding layer of one deck 5-10 centimetre;
D, subordinate phase compost: Jing Dui are to becoming thoroughly decomposed;
If E carcass is below 50kg, then compost is complete, and composting cycle is 1.5-2 month; If carcass is greater than 50kg, after having carried out A, step B, C, D step has repeated 2-3 time, until become thoroughly decomposed;
G, be 0.6-0.8cm sieving machine by the material become thoroughly decomposed by aperture, unsifted material enters next fresh heap body and ferments together, and the material obtained that sieves is fertilizer.
2. the stack type compost method based on carcass according to claim 1, it is characterized in that: in the first stage composting process of described step B, the pH value of heap body material is 5-9, and oxygen level is 8-18%, after compost 2-3 days, the temperature of heap body material reaches 50-65 DEG C.
3. the stack type compost method based on carcass according to claim 1, it is characterized in that: in the subordinate phase composting process of described step D, the pH value of heap body material is 5-9, and oxygen level is 8-18%, after compost 2-3 days, the temperature of heap body material reaches 50-65 DEG C.
4. the stack type compost method based on carcass according to claim 1, is characterized in that: in step, and described organic carbon source material is bacterium mushroom slag and offal.
5. the stack type compost method based on carcass according to claim 4, is characterized in that: described bacterium mushroom slag and the volume ratio of offal are 1:1-2.
6. the stack type compost method based on carcass according to claim 1, it is characterized in that: between described step e and G, also comprise step F: the material after becoming thoroughly decomposed carries out germination test, use celery seed, germination index is more than more than 50%, and material is decomposed manure.
7. the stack type compost method based on carcass according to claim 1, is characterized in that: in described steps A composting process, the carcass of every layer does not superpose.
8. the stack type compost method based on carcass according to claim 1, is characterized in that: in described step G, and unsifted material is not for fermenting bone completely.
CN201410843616.5A 2014-12-30 2014-12-30 Stacking composting method based on livestock bodies Pending CN104496586A (en)

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