CN104498578A - Method suitable for anaerobic dry fermentation of organic household refuses in fishing villages in Jiaodong peninsular region - Google Patents
Method suitable for anaerobic dry fermentation of organic household refuses in fishing villages in Jiaodong peninsular region Download PDFInfo
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- CN104498578A CN104498578A CN201410717612.2A CN201410717612A CN104498578A CN 104498578 A CN104498578 A CN 104498578A CN 201410717612 A CN201410717612 A CN 201410717612A CN 104498578 A CN104498578 A CN 104498578A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The invention relates to a method suitable for anaerobic dry fermentation of organic household refuses in fishing villages in Jiaodong peninsular region. The method comprises the following steps: mixing the organic household refuses generated in fishing villages in the peninsular region with sludge in a septic tank and the stored fruit tree leaves, wherein the organic household refuses comprise leftovers, internal organs of aquatic products, fish bones of kitchen wastes, various seafood shells, melon shells, vegetable leaves, tealeaf residues, fish-prawn-crab, outdated items of food and excrements in the breeding industry, adding biogas residues fermented in a normal gas production biogas digester over a month after solid-liquid separation to serve as an inoculum, and performing combined anaerobic fermentation to generate biogas. The limitation of single material fermentation is avoided, the organic household refuses in the fishing villages in the Jiaodong peninsular region and other solid wastes are recycled, and decomposition of the organic household refuses is accelerated by virtue of the sludge in the septic tank and the stored fruit tree leaves, so that biogas production is normally started, fermentation-induced biogas production is promoted, the gas production amount is large, and central gas supply of residents and restaurants in the fishing villages can be realized.
Description
Technical field
The present invention relates to a kind of method being applicable to Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation, belong to technical field of methane.
Background technology
Jiaodong Peninsula also claims the Shandong Peninsula, and being one of China three large peninsulas, is also the peninsula of Largest In China.Mainly comprise the large portion of Yantai, Weihai, Qingdao, sunshine and Weifang Prefecture.Jiaodong Peninsula is located in coastland, northeast, Plain, North China, east, Shandong Province, hilliness ground.Bohai and Yellow Seas is faced in north, relative with Liaodong Peninsula, and the Huanghai Sea and the Korea peninsula are faced in east, and Japanese Science Society faces each other across the sea, and the soil total area 30,000 square kilometres, accounts for 19% of Shandong Province.
Fishing village is a large characteristic of Jiaodong Peninsula, mainly to promote a tourist business.In recent years along with the raising of people's living standard, fishing village tourism in summer has become a kind of trend in fishing village, a lot of fishing village is in order to attract tourists, the facility such as family hotel, restaurant has been built in village, while promoting a tourist business, also create a large amount of domestic refuses, fishing village surrounding environment is caused and has a strong impact on
Fishing village domestic refuse is different from common residents in rural community, and through investigation, fishing village organic domestic waste mainly comprises internal organ, the waste of vegetables and fruits of raw fish, and the fish-bone more than kitchen, various seafood shells etc., seafood rubbish accounts for more than 70% of organic domestic waste total amount.
Develop rapidly along with socioeconomic in recent years, the level of consumption of people is greatly improved, thus has driven the development of Jiaodong Peninsula fishing village tourism, so add fishing village use energy.If fishing village organic domestic waste is carried out anaerobic dry fermentation to produce biogas, at generation new forms of energy-biogas, while solving fishing village energy, fishing village environment can also be improved, produce natural pond slag fertilizer.
Chinese patent literature CN201010273486.8 discloses the treatment process of one way of life rubbish split-phase aerobic and anaerobism, mainly comprises rubbish filling, rubbish hydrolysis and hydrolyzed solution and produces natural pond, is hydrolyzed aerobic stabilization and the last handling process of rear rubbish.This technology can produce biogas, water outlet energy qualified discharge, but phase-splitting treatment process more complicated, be not suitable for promoting in rural area.Chinese patent literature CN201210312225.1 discloses a kind of Ecological treatment technology for rural domestic waste and reactor, mainly by the process of organic waste aerobic composting, can not produce new forms of energy biogas.
The method of domestic rubbish disposal is not also carried out at present for fishing village feature.
Summary of the invention
Rapid for fishing village, Shandong Jiaodong peninsula tourism development, organic domestic waste, decayed fruit leaf and septic tank sludge generation are many, the problems such as random exhaust emission environment, the invention provides a kind of method being applicable to Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation.To the organic domestic waste that fishing village, the peninsula produces, comprise: the internal organ of fishery products, waste of vegetables and fruits, fish-bone more than kitchen, various seafood shells etc. carry out anaerobic dry fermentation process and produce biogas, the biogas produced is to fishing village resident and restaurant central gas supply, natural pond slag as planting fruit trees fertilizer, thus can realize the recovery energy of the solid waste such as Jiaodong Peninsula fishing village organic domestic waste.
Term explanation
Fishing village: be the rural area near seashore, developed into Relaxed holiday village, comprehensive ocean at present.
Organic domestic waste: the organic material in the domestic refuse of refer to degrade, ferment, decomposing, mainly comprises the fish-bone, various seafood shell, melon skin shell, dish leaf, tealeaf residue, fish shrimp crab, expired food, aquaculture movement etc. more than leftovers leftovers, the internal organ of fishery products, kitchen.Water ratio is 85%-88% by percentage to the quality.
Septic tank sludge: through precipitating pretreated human faecal mass in septic tank, water ratio is 80%-82% by percentage to the quality.
Orchard waste: the decayed fruit, fruit tree leaves etc. in periphery orchard, fishing village, northern Shandong.
TS: solid content, refers to that in waste water, solid masses accounts for the per-cent of wastewater quality.
The present invention is achieved through the following technical solutions:
Be applicable to a method for Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation, comprise step as follows:
(1) pulverize after organic domestic waste being mixed with orchard decayed fruit, obtained mixed waste, for subsequent use;
(2) get the precipitation septic tank sludge of 8 ~ 12 days, water ratio is 80%-82% by percentage to the quality, for subsequent use;
(3) get fruit-tree orchard leaf and be crushed to 0.3-0.5cm, adding water move to TS (solid content) is 75-80%, adds complex microorganism additives for ensiling, is placed in container compacting sealing, blue or green storage 20-30 days under normal temperature, obtains fruit tree leaves after blue or green storage,
(4) after septic tank sludge and the green grass or young crops of step (3) of mixed waste obtained for step (1), step (2) being stored up, fruit tree leaves mixes, after mixed waste, septic tank sludge, blue or green storage, the mass ratio of fruit tree leaves is (0.5-2): (1-3): (1-4), add water and stir, after regulating mixing, C/N is than being (20-30): 1, water ratio 75-80%, obtains mixture;
(5) natural pond slag will be added in the mixture of step (4) as inoculum, adjust ph is 7.2-7.5, anaerobically fermenting is carried out in dry anaerobic fermentation reactor, leavening temperature is 34-38 DEG C, produce biogas, the biogas of generation is used as fishing village resident and restaurant central gas supply after dehydration desulfurization; The natural pond slag produced is used as green house of vegetables solid fertilizer and uses, a small amount of natural pond liquid backflow spray.
The present invention is preferred, in described step (5), inoculum is the natural pond slag in normal gas producing methane-generating pit after solid-liquid separation, the water ratio of natural pond slag is 77%-88% by percentage to the quality, and the add-on of natural pond slag is the 30%-50% of step (4) gained mixture quality.Preferred further, natural pond slag water ratio is 85%-88%, and the add-on of natural pond slag is the 38%-42% of step (4) gained mixture quality.
Further preferred, natural pond slag adopts normal gas producing methane-generating pit to ferment the natural pond slag after more than 1 month solid-liquid separation.
According to the present invention, preferably, in step (5), the temperature of anaerobically fermenting is 36-38 DEG C, more preferably 36 DEG C.
The present invention is preferred, in described step (4), after mixed waste, septic tank sludge, blue or green storage, the mass ratio of fruit tree leaves is (0.5-1): 1:1-1.5, highly preferred, after mixed waste, septic tank sludge, blue or green storage, the mass ratio of fruit tree leaves is 1:1:1.
The present invention is preferred, and described fruit-tree orchard leaf is one or more mixing in apple leaf, leaf of pear tree, peach leaves, cherry leaf, fig leaf, Folium Pruni, Folium Crataegi etc., blue or green storage time 25-28 days.
The present invention is preferred, described complex microorganism additives for ensiling is plant lactobacillus, lactobacillus fermentum, short and small Bacterium lacticum, Leuconostoc mesenteroides, pichia spp, subtilis, the mixture of Bacillus cereus, in complex microorganism additives for ensiling somatic cells sum, plant lactobacillus somatic cells proportion is 10-40%, lactobacillus fermentum somatic cells proportion is 5-20%, short and small Bacterium lacticum somatic cells proportion is 10-35%, Leuconostoc mesenteroides somatic cells proportion is 5-20%, pichia spp somatic cells proportion is 10-35%, subtilis somatic cells proportion is 10-20%, Bacillus cereus somatic cells proportion is 5-10%,
Preferred further, in complex microorganism additives for ensiling, in somatic cells sum, plant lactobacillus somatic cells proportion is 20-30%, lactobacillus fermentum somatic cells proportion is 10-15%, short and small Bacterium lacticum somatic cells proportion is 20-30%, Leuconostoc mesenteroides somatic cells proportion is 10-15%, pichia spp somatic cells proportion is 12-20%, subtilis somatic cells proportion is 12-18%, and Bacillus cereus somatic cells proportion is 5-8%.
Plant lactobacillus of the present invention, lactobacillus fermentum, short and small Bacterium lacticum, Leuconostoc mesenteroides, pichia spp, subtilis, Bacillus cereus are prior art, all can buy in market.
Plant lactobacillus of the present invention, lactobacillus fermentum, short and small Bacterium lacticum, Leuconostoc mesenteroides, pichia spp, subtilis, Bacillus cereus all derives from American Type Culture Collecti, plant lactobacillus numbering (Lactobacillusplantarum) ATCC 14917, lactobacillus fermentum numbering (Lactobacillus fermentum) ATCC 14931, short and small Bacterium lacticum numbering (Lactobacillus brevis) ATCC 367, Leuconostoc mesenteroides numbering (Leuconostocmesenteroides) ATCC 8293, pichia spp numbering (komagataella pastoris) ATCC 28485, subtilis numbering (Bacillus subtilis) ATCC 21005, Bacillus cereus numbering (Bacillus cereus) ATCC 4342.
The present invention is preferred, and the water ratio of septic tank sludge is preferably 82%.
The present invention is preferred, fish-bone, various seafood shell, melon skin shell, dish leaf, tealeaf residue, fish shrimp crab, expired food and aquaculture movement in step (1) more than the internal organ of organic domestic waste leftovers leftovers, fishery products, kitchen, recyclable rubbish comprises paper, stationery, fiber board, glass, plastics, metal and artificial synthetic materials packaging.
According to the present invention, preferably, before process, the domestic refuse that fishing village, the peninsula produces is carried out sort, be divided into organic domestic waste and recyclable rubbish, fishing village, peninsula domestic refuse sort can carry out as follows: in fishing village, each restaurant or each family hotel respectively configure 1-2 medium-sized refuse container, are labeled as organic domestic waste and recyclable rubbish respectively; At fishing village each household configuration 2-3 Miniature dustbin, be labeled as organic domestic waste and recyclable rubbish respectively; Every 20-30 family configures 3 medium-sized refuse containers, is labeled as organic domestic waste respectively and reclaims rubbish; Respectively organic domestic waste and recyclable rubbish are put on by classification, then converge, each volume 18-20L of Miniature dustbin, each volume 200-220L of medium-sized refuse container.
Dry anaerobic fermentation reactor of the present invention can adopt Chinese patent literature CN102242057A (application number: 201010170580.8) disclosed " screw cylinder type dry fermenting apparatus ".
The present invention is preferred, and in step (1), organic domestic waste and orchard decayed fruit are crushed to particle diameter 1-5mm.
The available pulverizer of pulverizing described in step (1) carries out, and preferably uses food garbage treater, and food garbage treater is conventional commercial product.
Pulverizing described in step (3) adopts common grinder, commercially available.
The large I of anaerobic reactor is determined according to the amount of Jiaodong Peninsula fishing village organic domestic waste, septic tank sludge and fruit tree leaves, and the present invention is preferred, and the volume of anaerobic reactor is 100-300m3.
In step (6), dehydration desulfurization is by prior art.
The organic domestic waste that fishing village, the peninsula produces by the present invention, comprise leftovers leftovers, the internal organ of fishery products, fish-bone more than kitchen, various seafood shell, melon skin shell, dish leaf, tealeaf residue, fish shrimp crab, expired food and aquaculture movement, with septic tank sludge, fruit tree leaves mixing after storage, add normal gas producing methane-generating pit and ferment the natural pond slag after more than 1 month solid-liquid separation as inoculum, carry out anaerobic fermentation and produce biogas, avoid the limitation of single material fermentation, recycling is carried out to solid waste such as Jiaodong Peninsula fishing village organic domestic wastes, septic tank sludge and the rear fruit tree leaves of storage accelerate the decomposition of organic domestic waste, adding of natural pond slag inoculum, product biogas is normally started, more be conducive to fermentation methane production, the fruit-tree orchard leaf of the organic domestic waste that the preferred Jiaodong Peninsula fishing village of the present invention produces and Jiaodong Peninsula carries out fermentation methane production, the organic domestic waste produced because of Jiaodong Peninsula fishing village and the fruit-tree orchard leaf-making quantity of Jiaodong Peninsula large, gas production rate is large, can fishing village resident and restaurant central gas supply.
The present invention compared with prior art tool has the following advantages:
1, method provided by the invention can solve fishing village, Shandong Jiaodong peninsula tourism development rapidly, and organic domestic waste, decayed fruit leaf and septic tank sludge generation are many, the problems such as random exhaust emission environment.
2, the inventive method is by Jiaodong Peninsula village domestic refuse at original-source by classification, and other Harmful Waste can be avoided to enter into organic domestic waste, can improve organic domestic waste recovery energy rate.
3, organic domestic waste of the present invention and the anaerobic fermentation such as septic tank sludge, fruit tree leaves produce biogas, can avoid the limitation of single material fermentation.
4, the present invention using organic domestic waste as a kind of resource, the biogas produced is to fishing village resident and restaurant central gas supply, realize the solid waste recovery energies such as Jiaodong Peninsula fishing village organic domestic waste, improve fishing village tourism and human settlement, adjustment fishing village energy structure.
5, the inventive method does not produce natural pond liquid, and natural pond slag, as planting fruit trees fertilizer, can not produce natural pond liquid secondary pollution.
6, residents in rural community treatment process of the present invention is simple to operate, easy to use, practical, can at fishing village large-scale promotion application.
Embodiment
Below by embodiment, the invention will be further described; it is important to point out that embodiment is only used to further illustrate the present invention; limiting the scope of the invention can not be interpreted as; person skilled in art can make some immaterial improvement and adjustment according to foregoing invention content to the present invention, unspecified all by state of the art in embodiment.
Organic domestic waste: fishing village, Yantai family hotel, restaurant and villager collect domestic refuse, comprises fish-bone, various seafood shell, the fish shrimp crab more than leftovers leftovers, the internal organ of fishery products, kitchen.
Septic tank sludge: fishing village, Yantai build septic tank sludge through precipitating 10 days in septic tank.
Orchard waste: the decayed fruit, fruit tree leaves etc. in periphery orchard, fishing village, fishing village, Yantai.
Embodiment 1: Fishing-village Construction volume 300m
3dry fermentation methane engineering
In embodiment, fishing village organic domestic waste, blue or green storage fruit tree leaves, septic tank sludge, each material composition of inoculum natural pond slag see the following form 1:
Table 1
Be applicable to the method for Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation, comprise step as follows:
(1) in fishing village, each restaurant or each family hotel respectively configure 2 medium-sized refuse containers of 200L, are labeled as organic domestic waste and recyclable rubbish respectively; Configure 3 20L Miniature dustbins at fishing village each household, be labeled as organic domestic waste and recyclable rubbish respectively; Every 30 families configure 3 medium-sized refuse containers of 200L, are labeled as organic domestic waste respectively and reclaim rubbish; Respectively organic domestic waste and recyclable rubbish are put on by classification, then converge, carry out being crushed to particle diameter 2mm after the organic domestic waste of collection is mixed with orchard decayed fruit, obtained mixed waste, for subsequent use;
(2) extract the precipitation septic tank sludge of 10 days with taking out the slag car, water ratio is 82% by percentage to the quality, for subsequent use;
(3) get fruit-tree orchard leaf and be crushed to 0.5cm, adding water move to TS (solid content) is 75%, add complex microorganism additives for ensiling, be placed in container compacting sealing, blue or green storage 28 days under normal temperature, fruit tree leaves after blue or green storage, described complex microorganism additives for ensiling is plant lactobacillus, lactobacillus fermentum, short and small Bacterium lacticum, Leuconostoc mesenteroides, pichia spp, subtilis, the mixture of Bacillus cereus, in complex microorganism additives for ensiling somatic cells sum, plant lactobacillus somatic cells proportion is 30%, lactobacillus fermentum somatic cells proportion is 10%, short and small Bacterium lacticum somatic cells proportion is 20%, Leuconostoc mesenteroides somatic cells proportion is 10%, pichia spp somatic cells proportion is 15%, subtilis somatic cells proportion is 10%, Bacillus cereus somatic cells proportion is 5%,
(4) after septic tank sludge and the green grass or young crops of step (3) of mixed waste obtained for step (1), step (2) being stored up, fruit tree leaves mixes, after mixed waste, septic tank sludge, blue or green storage, the mass ratio of fruit tree leaves is 1:1:1, add sanitary sewage to stir, after regulating mixing, C/N is than being 20:1, water ratio 75%, obtains mixture;
(5) natural pond slag will be added in the mixture of step (4) as inoculum, the add-on of natural pond slag is 40% of mixture amount of dry matter, natural pond slag adopts normal gas producing methane-generating pit to ferment the natural pond slag after more than 1 month solid-liquid separation, and adjust ph is 7.3, and being placed in volume is 300m
3carry out anaerobically fermenting in dry anaerobic fermentation reactor, leavening temperature is 36 DEG C, produces biogas, and the biogas of generation is used as fishing village resident and restaurant central gas supply after dehydration desulfurization; The natural pond slag produced is used as green house of vegetables solid fertilizer and uses, a small amount of natural pond liquid backflow spray.
Embodiment 2:
Be applicable to the method for Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation as described in Example 1, difference is:
In step (4), after mixed waste, septic tank sludge, blue or green storage, the mass ratio of fruit tree leaves is 0.5:1:1.5.
Embodiment 3: Fishing-village Construction volume 200m
3dry fermentation methane engineering
Be applicable to the method for Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation, comprise step as follows:
(1) in fishing village, each restaurant or each family hotel respectively configure 2 medium-sized refuse containers of 200L, are labeled as organic domestic waste and recyclable rubbish respectively; Configure 3 20L Miniature dustbins at fishing village each household, be labeled as organic domestic waste and recyclable rubbish respectively; Every 30 families configure 3 medium-sized refuse containers of 200L, are labeled as organic domestic waste respectively and reclaim rubbish; Respectively organic domestic waste and recyclable rubbish are put on by classification, then converge, carry out being crushed to particle diameter 1mm after the organic domestic waste of collection is mixed with orchard decayed fruit, obtained mixed waste, for subsequent use;
(2) extract the precipitation septic tank sludge of 12 days with taking out the slag car, water ratio is 85% by percentage to the quality, for subsequent use;
(3) get fruit-tree orchard leaf and be crushed to 0.3cm, adding water move to TS (solid content) is 78%, add complex microorganism additives for ensiling, be placed in container compacting sealing, blue or green storage 28 days under normal temperature, fruit tree leaves after blue or green storage, described complex microorganism additives for ensiling is plant lactobacillus, lactobacillus fermentum, short and small Bacterium lacticum, Leuconostoc mesenteroides, pichia spp, subtilis, the mixture of Bacillus cereus, in complex microorganism additives for ensiling somatic cells sum, plant lactobacillus somatic cells proportion is 20%, lactobacillus fermentum somatic cells proportion is 10%, short and small Bacterium lacticum somatic cells proportion is 20%, Leuconostoc mesenteroides somatic cells proportion is 15%, pichia spp somatic cells proportion is 15%, subtilis somatic cells proportion is 15%, Bacillus cereus somatic cells proportion is 5%,
(4) after septic tank sludge and the green grass or young crops of step (3) of mixed waste obtained for step (1), step (2) being stored up, fruit tree leaves mixes, after mixed waste, septic tank sludge, blue or green storage, the mass ratio of fruit tree leaves is 0.8:1:1.2, add sanitary sewage to stir, after regulating mixing, C/N is than being 25:1, water ratio 78%, obtains mixture;
(5) natural pond slag will be added in the mixture of step (4) as inoculum, the add-on of natural pond slag is 40% of mixture amount of dry matter, natural pond slag adopts normal gas producing methane-generating pit to ferment the natural pond slag after more than 1 month solid-liquid separation, and adjust ph is 7.4, and being placed in volume is 200m
3carry out anaerobically fermenting in dry anaerobic fermentation reactor, leavening temperature is 36 DEG C, produces biogas, and the biogas of generation is used as fishing village resident and restaurant central gas supply after dehydration desulfurization; The natural pond slag produced is used as green house of vegetables solid fertilizer and uses, a small amount of natural pond liquid backflow spray.
Comparative example 1:
Be applicable to the method for Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation as described in Example 1, difference is:
In step (4), after mixed waste, septic tank sludge, blue or green storage, the mass ratio of fruit tree leaves is 1.5:0.5:1.
Comparative example 2:
Be applicable to the method for Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation as described in Example 1, difference is:
In step (4), after mixed waste, septic tank sludge, blue or green storage, the mass ratio of fruit tree leaves is 1:2:0.
Effect example
Embodiment 1-2 and comparative example 1-2 is carried out the experiment of product biogas, after the fermentation of 45 days, 45 days accumulative aerogenesis (L) and TS gas production rate see the following form shown in 2.
Aerogenesis information slip tested by table 2
| Test group | Proportioning (rubbish: mud: fruit tree leaves) | 45 days accumulative aerogenesis (L) | TS gas production rate (mL/g) |
| Embodiment 1 | 1:1:1 | 54.6 | 287.4 |
| Embodiment 2 | 0.5:1:1.5 | 51.8 | 272.6 |
| Comparative example 1 | 1.5:0.5:1 | 12.6 | 66.3 |
| Comparative example 2 | 1:2:0 | 17.7 | 93.2 |
Claims (10)
1. be applicable to a method for Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation, comprise step as follows:
(1) pulverize after organic domestic waste being mixed with orchard decayed fruit, obtained mixed waste, for subsequent use;
(2) get the precipitation septic tank sludge of 8-12 days, water ratio is 80%-82% by percentage to the quality, for subsequent use;
(3) get fruit-tree orchard leaf and be crushed to 0.3-0.5cm, adding water move to TS (solid content) is 75-80%, adds complex microorganism additives for ensiling, is placed in container compacting sealing, blue or green storage 20-30 days under normal temperature, obtains fruit tree leaves after blue or green storage,
(4) after septic tank sludge and the green grass or young crops of step (3) of mixed waste obtained for step (1), step (2) being stored up, fruit tree leaves mixes, after mixed waste, septic tank sludge, blue or green storage, the mass ratio of fruit tree leaves is (0.5-2): (1-3): (1-4), add water and stir, after regulating mixing, C/N is than being (20-30): 1, water ratio 75-80%, obtains mixture;
(5) natural pond slag will be added in the mixture of step (4) as inoculum, adjust ph is 7.2-7.5, anaerobically fermenting is carried out in dry anaerobic fermentation reactor, leavening temperature is 34-38 DEG C, produce biogas, the biogas of generation is used as fishing village resident and restaurant central gas supply after dehydration desulfurization; The natural pond slag produced is used as green house of vegetables solid fertilizer and uses, a small amount of natural pond liquid backflow spray.
2. the method being applicable to Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation according to claim 1, it is characterized in that, in described step (5), natural pond slag is the natural pond slag in normal gas producing methane-generating pit after solid-liquid separation, the water ratio of natural pond slag is 77%-88% by percentage to the quality, the add-on of natural pond slag is the 30%-50% of step (4) gained mixture quality, preferred further, natural pond slag water ratio is 85%-88%, and the add-on of natural pond slag is the 38%-42% of step (4) gained mixture quality.
3. the method being applicable to Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation according to claim 2, is characterized in that, inoculum natural pond slag adopts normal gas producing methane-generating pit to ferment the natural pond slag after more than 1 month solid-liquid separation.
4. the method being applicable to Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation according to claim 1, is characterized in that, in step (5), the temperature of anaerobically fermenting is 36-38 DEG C, more preferably 36 DEG C.
5. the method being applicable to Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation according to claim 1, it is characterized in that, in step (4), after mixed waste, septic tank sludge, blue or green storage, the mass ratio of fruit tree leaves is (0.5-1): 1:1-1.5, highly preferred, after mixed waste, septic tank sludge, blue or green storage, the mass ratio of fruit tree leaves is 1:1:1.
6. the method being applicable to Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation according to claim 1, it is characterized in that, described fruit-tree orchard leaf is one or more mixing in apple leaf, leaf of pear tree, peach leaves, cherry leaf, fig leaf, Folium Pruni, Folium Crataegi etc., blue or green storage time 25-28 days.
7. the method being applicable to Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation according to claim 1, it is characterized in that, described complex microorganism additives for ensiling is plant lactobacillus, lactobacillus fermentum, short and small Bacterium lacticum, Leuconostoc mesenteroides, pichia spp, subtilis, the mixture of Bacillus cereus, in complex microorganism additives for ensiling somatic cells sum, plant lactobacillus somatic cells proportion is 10-40%, lactobacillus fermentum somatic cells proportion is 5-20%, short and small Bacterium lacticum somatic cells proportion is 10-35%, Leuconostoc mesenteroides somatic cells proportion is 5-20%, pichia spp somatic cells proportion is 10-35%, subtilis somatic cells proportion is 10-20%, Bacillus cereus somatic cells proportion is 5-10%.
8. the method being applicable to Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation according to claim 1, it is characterized in that, in step (1), organic domestic waste and orchard decayed fruit are crushed to particle diameter 1-5mm, and in step (2), the water ratio of septic tank sludge is preferably 82%.
9. the method being applicable to Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation according to claim 1, it is characterized in that, fish-bone, various seafood shell, melon skin shell, dish leaf, tealeaf residue, fish shrimp crab, expired food and aquaculture movement in step (1) more than the internal organ of organic domestic waste leftovers leftovers, fishery products, kitchen, recyclable rubbish comprises paper, stationery, fiber board, glass, plastics, metal and artificial synthetic materials packaging.
10. the method being applicable to Jiaodong Peninsula fishing village organic domestic waste anaerobic dry fermentation according to claim 1, it is characterized in that, before process, the domestic refuse that fishing village, the peninsula produces is carried out sort, be divided into organic domestic waste and recyclable rubbish, fishing village, peninsula domestic refuse sort can carry out as follows: in fishing village, each restaurant or each family hotel respectively configure 1-2 medium-sized refuse container, are labeled as organic domestic waste and recyclable rubbish respectively; At fishing village each household configuration 2-3 Miniature dustbin, be labeled as organic domestic waste and recyclable rubbish respectively; Every 20-30 family configures 3 medium-sized refuse containers, is labeled as organic domestic waste respectively and reclaims rubbish; Respectively organic domestic waste and recyclable rubbish are put on by classification, then converge, each volume 18-20L of Miniature dustbin, each volume 200-220L of medium-sized refuse container.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105002221A (en) * | 2015-07-17 | 2015-10-28 | 山东省农业科学院农业资源与环境研究所 | Method for producing biogas through high-efficiency anaerobic fermentation of organic waste resource in intensive vegetable area |
| CN105918942A (en) * | 2016-04-19 | 2016-09-07 | 北京真普惠生物科学技术研究院 | Recycling combining and compounding method of fresh-eating melons and fruits |
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| CN112481311A (en) * | 2020-11-18 | 2021-03-12 | 湖州市南浔广达木业有限公司 | Method and device for processing animal slaughter house garbage |
| CN114178289A (en) * | 2021-11-20 | 2022-03-15 | 自然资源部第一海洋研究所 | Screening method, screening system, medium and treatment station for island domestic garbage treatment technology |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105002221A (en) * | 2015-07-17 | 2015-10-28 | 山东省农业科学院农业资源与环境研究所 | Method for producing biogas through high-efficiency anaerobic fermentation of organic waste resource in intensive vegetable area |
| CN105002221B (en) * | 2015-07-17 | 2018-05-15 | 山东省农业科学院农业资源与环境研究所 | The method of intensive Vegetable area reclaiming organic waste efficient anaerobic fermentation production biogas |
| CN105918942A (en) * | 2016-04-19 | 2016-09-07 | 北京真普惠生物科学技术研究院 | Recycling combining and compounding method of fresh-eating melons and fruits |
| CN107384420A (en) * | 2017-07-25 | 2017-11-24 | 中国冶集团有限公司 | Sludge soil conditioner, preparation method and applications |
| CN112481311A (en) * | 2020-11-18 | 2021-03-12 | 湖州市南浔广达木业有限公司 | Method and device for processing animal slaughter house garbage |
| CN114178289A (en) * | 2021-11-20 | 2022-03-15 | 自然资源部第一海洋研究所 | Screening method, screening system, medium and treatment station for island domestic garbage treatment technology |
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