CN109912144A - A method of kitchen garbage biogas project biogas residue is dissolved using blattaria - Google Patents

A method of kitchen garbage biogas project biogas residue is dissolved using blattaria Download PDF

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CN109912144A
CN109912144A CN201910029872.3A CN201910029872A CN109912144A CN 109912144 A CN109912144 A CN 109912144A CN 201910029872 A CN201910029872 A CN 201910029872A CN 109912144 A CN109912144 A CN 109912144A
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blattaria
biogas residue
biogas
kitchen garbage
feed
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张记市
臧立华
赵文谦
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Qilu University of Technology
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Qilu University of Technology
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    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses

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Abstract

The invention belongs to environment protection fields, are related to a kind of method for dissolving kitchen garbage biogas project biogas residue using blattaria and producing feed or feed addictive and organic fertilizer.The following steps are included: the collection of (1) anaerobic digestion of kitchen wastes (i.e. biogas project) biogas residue；(2) biogas residue described in step (1) is fed into blattaria；(3) it captures, kill blattaria and collect dead blattaria polypide, and carry out sterilizing and/or viral inactivation treatment, obtain animal and fowl fodder or feed addictive；(4) the blattaria excrement generated in collection step (2) obtains high quality organic fertilizer after carrying out Composting.The present invention digestion and fertility powerful using blattaria not only can solve kitchen garbage biogas project biogas residue processing problem, but also can produce animal and fowl fodder or feed addictive and organic fertilizer.Meanwhile the present invention is not only able to achieve biological hot in-place using blattaria bioconversion kitchen garbage biogas project biogas residue technology and utilizes, and dissolving process does not have the secondary pollutions such as waste water,waste gas and industrial residue to generate.

Description

A method of kitchen garbage biogas project biogas residue is dissolved using blattaria
Technical field
The invention belongs to environment protection field, be specifically related to it is a kind of using blattaria consumption kitchen garbage biogas project biogas residue, simultaneously The method for producing feed or feed addictive and organic fertilizer.
Background technique
The kitchen garbage that national " kitchen garbage processing technology specification " defines is the general name of food garbage and rubbish from cooking, is referred to The diet residues such as restaurant, restaurant, unit dining room, family daily life and garbage material, leftovers leftovers, meat, grease, Vegetable melon and fruit etc. is the main constituents of domestic waste, has high moisture content, organic matter accounting height, salt content high, easy The features such as biochemical degradation.As the quickening and living standards of the people of urbanization steadily improve, the annual yield of China's kitchen garbage About 9.8 × 107Ton, the processing of kitchen garbage have become the Social Events of the relationship people's livelihood.Countries in the world often utilize at present Anaerobic digestion techniques handle kitchen garbage to recycle biogas, but can generate a large amount of biogas slurry and biogas residue in this process.It is per ton Kitchen waste anaerobic digestion can generate 200~300kg biogas residue (moisture content 70~90%) and 600~750kg biogas slurry.Natural pond Liquid can be directly entered sewage treatment facility；But biogas residue, because moisture content is higher, the disposal technologies such as desiccation, landfill and compost of biogas residue are easy The drawbacks of causing secondary pollution and occupying a large amount of soils.Therefore, the biogas residue of kitchen garbage biogas project is efficiently disposed and recycling Using having become countries in the world common problem urgently to be solved.
Biogas residue has many advantages, such as that rich in nutrition content, nutrient are comprehensive, rich in organic matter, humic acid, protein, cellulose, Nitrogen, phosphorus, potassium, B family vitamin and microelement etc..Because technology is limited, it is domestic to kitchen garbage biogas project biogas residue it is innoxious, There are mainly two types of modes for minimizing and recycling treatment:
(1) by special sterilization process, by the biogas residue generated after anaerobic digestion of kitchen wastes production rich in protein Animal and fowl fodder or feed addictive.The biogas residue (containing about 5.0%~10.0% grease) generated using anaerobic digestion of kitchen wastes is raw Feed or feed addictive are produced, it is general to be handled using sorting, boiling, squeezing, de-oiling process, but because kitchen garbage biogas residue Special nature, however it remains some potential safety problems: first is that since structure is complicated for bacterium protein, high temperature not can guarantee killing All viruses；Second is that acid value, peroxide value can not be removed in the various greases in kitchen garbage biogas residue after high-temperature heating sterilizing； Third is that kitchen garbage biogas residue contains animal derived materials, allogenic animal is raised using homology animal protein, leads to pathogen Into biological chain to increase pathophorous risk.
(2) by aerobic composting technology, by kitchen garbage biogas residue aerobic fermentation (Composting) process for producing organic fertilizer.So And there is also many bottlenecks or defects for this biogas residue processing technique: first is that the deodorization problem in aerobic composting.Composting process In, it locally will form anaerobic environment and be also easy to produce the foul gas such as hydrogen sulfide and ammonia.Therefore, there is still a need for technologies for solution stench problem It breaks through or tackles key problems.Second is that having an adverse effect containing a small amount of salinity, grease to compost quality in kitchen garbage biogas residue.Compost product Matter is limited by the height of fat content and salinity in kitchen garbage biogas residue to a certain extent；Highly-saline composting production will inhibit Plant growth also results in the salinization of soil as being used for a long time.It therefore, is to utilize meal using efficient, inexpensive less salt technology The committed step of kitchen rubbish biogas residue production high quality organic fertilizer.However, the less salt technology of current kitchen garbage biogas residue Composting is still It is immature.
In addition, there are also landfill and incineration technologies for conventional kitchen garbage biogas residue processing method.Because biogas residue moisture content is higher (70%-90%) does not meet the requirement for being directly entered sanitary filling field (moisture content of landfill material must not exceed 60%).Even if Kitchen garbage biogas residue meets sanitary landfills requirement after simple desiccation reaches, but this kind of Disposal Measures not only appropriation of land, and The secondary pollutions such as percolate and foul smell can also be generated.In addition, the biogas residue moisture content after mechanical dehydration is 70%-90%, calorific value It is lower, it is unable to satisfy the basic demand (it is required that the minimum 5000kJ/kg of calorific value) of power generation by waste combustion.If biogas residue passes through desiccation workshop section After diminishing, the problems such as meeting the calorific value condition progress burning disposal of burning, but still equipment corrosion and atmosphere pollution can be brought.
Blattaria is commonly called as cockroach, refers to Arthropoda Insecta Blattaria, is one of most ancient insect on the earth, is generation Most one of adaptability insect assembly in boundary, vitality is very strong, and feeding habits are extensive.Utilize anaerobic digestion of kitchen wastes (biogas work Journey) generate biogas residue by blattaria biology cross abdomen conversion or consumption, the excrement of generation is as organic fertilizer or organic fertilizer admixture skill Art avoids kitchen garbage biogas project biogas residue directly as the problem of organic fertilizer.In addition, blattaria excrement have it is decomposed it is fast (4~ 8 days), the advantages that salinity is low, nutrient is high.However, biogas residue routine aerobic composting needs 30~50 days time to can be only achieved corruption It is ripe.During dissolving kitchen garbage biogas residue using earthworm, black soldier flies and yellow meal worm etc., it is difficult to realize effective point of frass and biogas residue From to influence fertilizer efficiency.
Blattaria polypide contains 18 kinds of amino acid, belongs to adequate proteins body, and total amino acid content (TAA) is very high, and about 55%, also contain There are 8 kinds of necessary amino acid (EAA), content about 21%, EAA/TAA is about 38%, is defended based on FAO (Food and Agriculture Organization of the United Nation)/world The idealized model of raw tissue, its amino acid of preferable protein form EAA/TAA about 40%, illustrate that blattaria polypide is a kind of high-quality Insect protein feed.This insect feedstuff can make up the demand gap of China's protein feed.Therefore, natural pond is dissolved in blattaria During slag, blattaria metabolism is completed, and generate the raw material for being rich in protein, it is raw that this raw material can substitute imported fish meal Produce feed or feed addictive.It is direct that this utilization blattaria consumption kitchen garbage biogas residue technology not only solves kitchen garbage biogas residue The problems such as pollution homologous as poultry and livestock feed bring, and also reduce Feed Manufacturing cost.
108147848 A of CN discloses the method for a kind of organic refuse fermentation residue Ecological Disposal and trans-utilization.It should In method, the organic refuse fermentation residue as blattaria feed refers to residue of the organic waste after lactobacillus-fermented, PH is 3.0~6.5, and moisture content is no more than 95%.Using lactobacillus-fermented processing kitchen garbage method be not yet received it is universal and Technology is not mature enough.In addition, organic refuse fermentation lactic acid producing needs screening lactobacillus, organic waste must be carried out before fermentation high Warm sterilization treatment causes fermenting lactic acid to need higher cost.However, being had using Anaerobic Digestion kitchen garbage method There are a technical maturity and popularity, the biogas residue pH value range that this technology generates is 6.5~7.5, moisture content 70% ~90%；Meanwhile biogas residue has big yield, routine cost of disposal height and is also easy to produce secondary pollution problems.
103222541 A of CN discloses a kind of using blattaria as the feed producing method of raw material and its application, CN 108147848 A disclose a kind of using blattaria excrement as organic fertilizer of raw material and preparation method thereof.Both patents all use Using kitchen garbage as feed, feeding technology is carried out to blattaria.However, both technologies are remote to kitchen garbage engineering treatment effeciency Lower than biogas project treatment efficiency.If reaching identical kitchen garbage treatment effeciency, it is necessary that sizable roach Lian raising scale.Therefore, both technologies increase management difficulty and cost of floor space, are difficult to meet kitchen garbage scale processing Requirement.Currently, both at home and abroad using Anaerobic Digestion kitchen garbage as mainstream technology, but biogas residue yield is larger, Er Qienan To be effectively treated.For handling 100 tons of kitchen garbage of kitchen castoff treatment plant daily, because of the biogas residue dehydration equipment of use Difference, daily biogas residue yield are about 6.5~20 tons (biogas residue moisture content 70%~90%).This patent is handled using blattaria consumption The biogas residue technology of kitchen garbage biogas project, blattaria raising scale required for considerably reducing, is convenient for high efficiency operation management. Meanwhile blattaria dissolves economic benefit and social benefit that biogas residue per ton generates and handles what kitchen garbage per ton generated much higher than blattaria Benefit.Therefore, this patent has significant economic benefit and social benefit.
Therefore, it is necessary to be directed to the above method defect, the invention patent efficiently realize kitchen garbage biogas residue it is innoxious, Minimizing and resource utilization；Solves the bottleneck of kitchen garbage biogas engineering, i.e. biogas residue flow direction, secondary pollution and disposition is asked Topic.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of blattaria consumption meal for realizing biogas residue full dose resource utilization The method of kitchen marsh gas of rubbish engineering biogas residue.
The present invention is a kind of method using blattaria consumption kitchen garbage biogas project biogas residue, and this method mainly utilizes roach Lian biology crosses abdomen conversion biogas residue, and gives birth to respectively using the blattaria polypide of process proliferation and/or ootheca and its excrement as raw material Produce feed and organic fertilizer.
A method of kitchen garbage biogas project biogas residue is dissolved using blattaria, which is characterized in that this method includes following Step:
(1) collection of anaerobic digestion of kitchen wastes (i.e. biogas project) biogas residue；
(2) biogas residue described in step (1) is fed into blattaria；
(3) it captures, kill blattaria and collect dead blattaria polypide, and carry out sterilizing and/or viral inactivation treatment, obtain Animal and fowl fodder or feed addictive；
(4) the blattaria excrement generated in collection step (2) obtains organic fertilizer after Composting.
The property of above-mentioned kitchen garbage biogas residue is as follows: pH is 6.5~7.5；It is calculated in mass percent calculation, the biogas residue water Content is divided to be less than or equal to 90%.
Preferably, through the biogas residue of mechanical dehydration, moisture content is 70%~80%.
It is calculated in mass percent calculation, disregards moisture, the biogas residue (butt) contains protein 15%~50%, cellulose 4%~24%, fat 0.3%~10%, ash content 15%~25% and nitrogen-free extracts 25%~45%.
Preferably, it is calculated in mass percent calculation, disregards moisture, the protein content of the biogas residue (butt) is 20%~ 40%, cellulose 10%~24%, fat 5%~10%, ash content 15%~20% and nitrogen-free extracts 30%~45%.
In step (2), abdomen conversion is crossed using blattaria biology or consumption anaerobic digestion of kitchen wastes biogas residue, biology cross abdomen Conversion process are as follows: the biogas residue using kitchen garbage biogas project is that raw material raises blattaria；According to bioconversion (or consumption) room face Product, blattaria stocking density are 2.5 × 104Only/m2~3.5 × 106Only/m2, it is furthermore preferred that blattaria stocking density is 4.5 × 104 Only/m2~6 × 105Only/m2.In the step (2), underweight 0.01g after blattaria hatching can be put into conversion chamber and feed, And the weight of adult is up to 1g.Because it is Life cycle that blattaria, which dissolves kitchen garbage biogas residue, in biogas residue bioconversion room In can be put into the blattarias of different stages of growth.It, can be according to different blattarias in view of the scale and effect of biogas residue biological treating Type and its growth phase adjust cultivation density.
Further preferred, in the step (2), blattaria is American cockroach, Australian cockroach, Periplanetabrunnea, Germany Small Lian, the big Lian of Japan, oriental cockroach or Peroplaneta fluligginosa.
Further preferred, in the step (2), the daily dosage of biogas residue is not less than the 8% of blattaria gross weight, is not higher than The 20% of blattaria gross weight can carry out preferred according to blattaria type.
Further, in the step (2), 18 DEG C~35 DEG C of temperature, humidity 65%~98% in conversion chamber.It is preferred to raise The condition of supporting is 24 DEG C~32 DEG C of temperature, humidity 75%~85%.
In the step (3), the biogas residue of abdomen conversion or consumption anaerobic digestion of kitchen wastes, resulting blattaria are crossed using blattaria Polypide and/or ootheca are feed or feed addictive.
Further, after sterile-processed, blattaria polypide and/or ootheca is dry to moisture content in the step (3) 5%~10%, and obtain the feed or feed addictive directly fed；Or it is blattaria polypide and/or ootheca is dry to water Divide content 5%~10%, being mechanically pulverized becomes particle, obtains the feed that can directly feed or feed addictive.
Further, in the step (3), obtained feed will be applied to raise poultry, domestic animal, aquatic products category animal.
In affiliated step (4), collects blattaria excrement and carry out Composting treatment, obtain organic fertilizer.The daily excrement of blattaria generates Amount is the 0.1%~1% of conversion chamber blattaria weight, preferably 0.15~0.5%.Compared with other livestock and poultry, blattaria excrement is aqueous Rate is lower (≤40%).
Further, in affiliated step (4), during carrying out Composting treatment to the blattaria excrement after collection, by excrement Carbon-nitrogen ratio (C/N) is adjusted after mixing with stalk to 20~30: 1, is collected the biological heat that blattaria generates and is utilized biological heat tune in situ 50~60 DEG C of compost temperature of section, obtains organic fertilizer after Composting 4~8 days.
A kind of method dissolving conversion anaerobic digestion of kitchen wastes biogas residue using blattaria of the invention, has the advantage that
1. the present invention digestion and fertility powerful using blattaria, both can solve the processing of kitchen garbage biogas project biogas residue Problem, and a large amount of protein feed or feed addictive and organic fertilizer can be generated.
2. biogas residue is crossed abdomen biological treating by blattaria, it is transformed into the protein feed or feeding that content ratio is uniform, stable Feed additives, and contain chitin, antibiotic ingredient, nutritive value is high, and disease resistance is strong, before having wide commercial applications Scape.In addition, blattaria excrement has, carbon-nitrogen ratio (C/N) is low, N-P-K content is high, content of beary metal is low, is in granular form, is loose dry The advantages that dry, and compost is easily decomposed.
3. biogas residue crosses abdomen consumption or transformation technology, hardly the consumption energy by the biology of blattaria；Do not have during consumption The secondary pollutions such as waste water,waste gas and industrial residue generate, and dissolve at low cost, good in economic efficiency.This technique to high-efficiency realizes kitchen The innoxious of rubbish biogas residue, minimizing and resource utilization.
Detailed description of the invention
Fig. 1 is that kitchen garbage biogas project and blattaria dissolve biogas residue coproduction feed or feed addictive and organic fertilizer stream Journey.
Specific embodiment
The present invention is further elaborated below by specific embodiment, but embodiment does not do any shape to the present invention The restriction of formula.
Embodiment 1
It collects kitchen garbage biogas residue and feeds Groton bug, biogas residue moisture content is 75.0%, pH 7.2, biogas residue (butt) Contain protein 32.1%, cellulose 23.4%, fatty 2.4%, ash content 15.2%, nitrogen-free extracts 26.9%, bioconversion Using the partition frame for cultivating erect in (consumption) room, every meter of partition quantity is about 90, in single layer conversion chamber, every square metre of feeding Support Groton bug 3.0 × 106Only, the control of conversion room temperature is at 26 DEG C~32 DEG C, adjusting air humidity 70%~80%, this Average daily Groton bug consumption kitchen garbage biogas residue is the 11% of conversion chamber Groton bug total weight under part, is fed with this condition It supports 3 months, collects Groton bug polypide, ootheca and excrement in conversion chamber.
1 ton of kitchen garbage biogas residue of average every processing can obtain the dry polypide of about 140kg Groton bug and ootheca and 130kg excrement, or polypide and ootheca are killed, drying crushes up to protein feed raw material；After excrement is mixed with stalk Carbon-nitrogen ratio is adjusted to 22: 1,50~60 DEG C of compost temperature, high-temperature aerobic fermentation (Composting) obtained organic fertilizer after 5 days.Through detecting The protein content 64% of Groton bug polypide, fat content 18%, pathogenic bacteria are not detected in microorganism detection.
Embodiment 2
It collects kitchen garbage biogas residue and feeds American cockroach, biogas residue moisture content is 77.4%, pH 7.0, biogas residue (butt) Contain protein 35.0%, cellulose 21.5%, fatty 0.9%, ash content 16.0%, nitrogen-free extracts 26.6%, bioconversion Using the partition frame for cultivating erect in (consumption) room, every meter of partition quantity is about 90, in single layer conversion chamber, every square metre of feeding Support American cockroach 9.0 × 104Only, for the control of conversion room temperature at 25 DEG C~30 DEG C, adjusting air humidity is 80%~86%, this Average daily American cockroach consumption kitchen garbage biogas residue is the 13% of conversion chamber American cockroach total weight under part, is fed with this condition It supports 3 months, collects the big Lian polypide in conversion chamber Central America, ootheca and excrement.
1 ton of kitchen garbage biogas residue of average every processing can obtain the dry polypide of about 120kg American cockroach and ootheca and 107kg excrement, or polypide and ootheca are killed, drying crushes up to protein feed raw material；After excrement is mixed with stalk Carbon-nitrogen ratio is adjusted to 25: 1,50~60 DEG C of compost temperature, acquires organic fertilizer after high-temperature aerobic fermentation 6 days.Through detecting America The protein content 66% of big Lian polypide, fat content 16.5%, pathogenic bacteria are not detected in microorganism detection.
Embodiment 3
It collects kitchen garbage biogas residue and feeds American cockroach, biogas residue moisture content is 73.0%, pH 6.9, biogas residue (butt) It should turn containing protein 40.4%, cellulose 15.5%, fatty 0.5%, ash content 15.3%, nitrogen-free extracts 28.3%, biology To change using the partition frame for cultivating erect in (consumption) room, every meter of partition quantity is about 90, in single layer conversion chamber, every square metre Raise American cockroach 1.0 × 105Only, the control of conversion room temperature is at 25 DEG C~30 DEG C, and humid control is 80%~85%, this condition Average daily American cockroach consumption kitchen garbage biogas residue is the 14% of conversion chamber American cockroach total weight down, is fed with this condition 3 months, collect the big Lian polypide in conversion chamber Central America, ootheca and excrement.
1 ton of kitchen garbage biogas residue of average every processing can obtain the dry polypide of about 132kg American cockroach and ootheca and 96kg excrement, or polypide and ootheca are killed, drying crushes up to protein feed raw material；After excrement is mixed with stalk Carbon-nitrogen ratio is adjusted to 28: 1,50~60 DEG C of compost temperature, aerobic fermentation (Composting) obtains organic fertilizer in 7 days.It is big through detection America The protein content 65% of Lian polypide, fat content 14.5%, pathogenic bacteria are not detected in microorganism detection.
Embodiment 4
It collects kitchen garbage biogas residue and feeds Periplanetabrunnea, biogas residue moisture content is 72.6%, pH 7.3, biogas residue (butt) Containing protein 48.7%, cellulose 15.9%, crude fat 0.7%, ash content 16.2%, nitrogen-free extracts 18.5%, biology turns To change using the partition frame for cultivating erect in (consumption) room, every meter of partition quantity is about 70, in single layer conversion chamber, every square metre Raise Periplanetabrunnea 5.0 × 105Only, the control of conversion room temperature is at 25 DEG C~30 DEG C, adjusting air humidity 75%~85%, this Under the conditions of average daily Periplanetabrunnea consumption kitchen garbage biogas residue be the 8% of conversion chamber Periplanetabrunnea total weight, with this condition It feeds 3 months, collects Periplanetabrunnea polypide, ootheca and excrement in conversion chamber.
1 ton of kitchen garbage biogas residue of average every processing can obtain the dry polypide of about 175kg Periplanetabrunnea and ootheca and 130kg excrement, or polypide and ootheca are killed, drying crushes up to protein feed raw material；After excrement is mixed with stalk Carbon-nitrogen ratio is adjusted to 26: 1,50~60 DEG C of compost temperature, aerobic composting obtained organic fertilizer after 6 days.Through detecting Periplanetabrunnea worm The protein content 63% of body, fat content 18%, pathogenic bacteria are not detected in microorganism detection.
Embodiment 5
It collects kitchen garbage biogas residue and feeds Groton bug, biogas residue moisture content is 77.4%, pH 7.2, biogas residue (butt) Contain protein 33.4%, cellulose 12.0%, fatty 6.3%, ash content 15.1%, nitrogen-free extracts 33.2%, bioconversion Using the partition frame for cultivating erect in (consumption) room, every meter of partition quantity is about 90, in single layer conversion chamber, every square metre of feeding Support Groton bug 3.7 × 106Only, the control of conversion room temperature is at 26 DEG C~32 DEG C, adjusting air humidity control 70%~80%, Average daily Groton bug consumption kitchen garbage biogas residue is the 13% of conversion chamber Groton bug total weight under this condition, in this condition It is lower to feed 3 months, collect Groton bug polypide, ootheca and excrement in conversion chamber.
1 ton of kitchen garbage biogas residue of average every processing can obtain the dry polypide of about 152kg Groton bug and ootheca and 121kg excrement, or polypide and ootheca are killed, drying crushes up to protein feed raw material；After excrement is mixed with stalk Carbon-nitrogen ratio is adjusted to 24: 1,50~60 DEG C of compost temperature, aerobic fermentation (Composting) obtained organic fertilizer after 5 days.Through detection Germany The protein content 63% of small Lian polypide, fat content 19%, pathogenic bacteria are not detected in microorganism detection.
Embodiment 6
It collects kitchen garbage biogas residue and feeds American cockroach, biogas residue moisture content is 75.3%, pH 7.1, biogas residue (butt) It should turn containing protein 34.7%, cellulose 18.9%, fatty 2.4%, ash content 18.4%, nitrogen-free extracts 25.6%, biology To change using the partition frame for cultivating erect in (consumption) room, every meter of partition quantity is about 90, in single layer conversion chamber, every square metre Raise American cockroach 0.8 × 105Only, the control of conversion room temperature is at 25 DEG C~30 DEG C, air humidity control 80%~85%, this Under the conditions of average daily American cockroach consumption kitchen garbage biogas residue be the 12% of conversion chamber American cockroach total weight, with this condition It feeds 3 months, collects the big Lian polypide in bioconversion room Central America, ootheca and excrement.
1 ton of kitchen garbage biogas residue of average every processing can obtain the dry polypide of about 124kg American cockroach and ootheca and 101kg excrement, or polypide and ootheca are killed, drying crushes up to protein feed raw material；After excrement is mixed with stalk Carbon-nitrogen ratio is adjusted to 27: 1,50~60 DEG C of compost temperature, aerobic fermentation (Composting) obtained organic fertilizer after 7 days.Through detecting America The protein content 62% of big Lian polypide, fat content 15.5%, pathogenic bacteria are not detected in microorganism detection.

Claims (10)

1. a kind of method using blattaria consumption kitchen garbage biogas project biogas residue, which is characterized in that this method includes following step It is rapid:
(1) collection of anaerobic digestion of kitchen wastes (i.e. biogas project) biogas residue；
(2) biogas residue described in step (1) is fed into blattaria；
(3) it captures, kill blattaria and collect dead blattaria polypide, and carry out sterilizing and/or viral inactivation treatment, obtain livestock and poultry Feed or feed addictive；
(4) the blattaria excrement generated in collection step (2), obtains organic fertilizer after Composting.
2. the method as described in claim 1, which is characterized in that the property of above-mentioned kitchen garbage biogas residue is as follows: pH be 6.5~ 7.5；It is calculated in mass percent calculation, biogas residue moisture content≤90.0%.Preferably, through the biogas residue of preliminary hydro-extraction, moisture Content is 70%~80%.
3. the method as described in claim 1, which is characterized in that be calculated in mass percent calculation, disregard moisture, the biogas residue is (dry Base) contain protein 15~50%, cellulose 4%~24%, fat 0.3%~10%, ash content 15%~25% and nitrogen-free Extract 25%~45%.
Preferably, the protein content of the biogas residue (butt) be 20%~40%, cellulose 10%~24%, fat 5%~ 10%, ash content 15%~20%, nitrogen-free extracts 30%~45.0%.
4. the method as described in claim 1, which is characterized in that in step (2), cross abdomen consumption or conversion using blattaria biology Biogas residue, biology cross abdomen conversion process are as follows: the biogas residue using kitchen garbage biogas project is that raw material raises blattaria；Turn according to biology Change room area, blattaria stocking density is 2.5 × 104Only/m2~3.5 × 106Only/m2, it is furthermore preferred that blattaria stocking density is 4.5 ×104Only/m2~6 × 105Only/m2。
5. the method as described in claim 1, which is characterized in that in the step (2), blattaria is American cockroach, Australia is big Lian, Periplanetabrunnea, Groton bug, the big Lian of Japan, oriental cockroach or Peroplaneta fluligginosa.
6. the method as described in claim 1, which is characterized in that in the step (2), the daily dosage of biogas residue is not less than blattaria The 8% of gross weight, not higher than the 20% of blattaria gross weight.
7. the method as described in claim 1, which is characterized in that in the step (2), the temperature 18 DEG C~35 of blattaria conversion chamber DEG C, humidity 65%~98%.Preferred rearing conditions are 24 DEG C~32 DEG C of temperature, humidity 70%~90%.
8. the method as described in claim 1, which is characterized in that in the step (3), cross abdomen conversion consumption natural pond using blattaria Slag, blattaria polypide obtained and/or ootheca are feed or feedstuff；After sterile-processed, by blattaria polypide and/or ootheca Drying obtains the feed that can directly feed or feed addictive to moisture content 5%~10%；Or by blattaria polypide and/ Or ootheca is dry to moisture content 5%~10%, is milled or is broken into particle, can be obtained the feed directly fed or feed adds Add agent.
9. method according to claim 8, which is characterized in that in the step (3), obtained feed will be applied to raising man The animals such as fowl, domestic animal, aquatic products category.
10. the method as described in claim 1, which is characterized in that in affiliated step (4), collect blattaria excrement and carry out Composting Processing, obtains organic fertilizer.
Carbon-nitrogen ratio is adjusted during carrying out Composting treatment using the blattaria excrement after collection, after excrement is mixed with stalk to 20 ~30: 1, it is utilized using the biological hot in-place that blattaria generates and maintains 50 DEG C~60 DEG C of compost temperature, through aerobic fermentation 4~8 Organic fertilizer is obtained after it.
CN201910029872.3A 2019-01-14 2019-01-14 A method of kitchen garbage biogas project biogas residue is dissolved using blattaria Pending CN109912144A (en)

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Application publication date: 20190621