CN104193432B - A kind of method utilizing earthworm to realize Herba Eichhorniae and animal dung material resource utilization - Google Patents

A kind of method utilizing earthworm to realize Herba Eichhorniae and animal dung material resource utilization Download PDF

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CN104193432B
CN104193432B CN201410397536.1A CN201410397536A CN104193432B CN 104193432 B CN104193432 B CN 104193432B CN 201410397536 A CN201410397536 A CN 201410397536A CN 104193432 B CN104193432 B CN 104193432B
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herba eichhorniae
earthworm
chopping
cauline leaf
natural pond
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CN104193432A (en
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利锋
曾祥云
龙小林
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South China University of Technology SCUT
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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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • Y02A40/818Alternative feeds for fish, e.g. in aquacultures
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • 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

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Abstract

The invention discloses a kind of method utilizing earthworm to realize Herba Eichhorniae and animal dung material resource utilization.Concrete steps are: salvage Herba Eichhorniae, excised by root; Detect, it is qualified to detect, and chopping, obtains the Herba Eichhorniae cauline leaf after chopping; Get the Herba Eichhorniae cauline leaf after chopping and prepare Herba Eichhorniae biological carbon; Separately get the Herba Eichhorniae cauline leaf after chopping to mix with feces of livestock and poultry, anaerobically fermenting, obtain biogas, natural pond liquid and natural pond slag; Separately get the Herba Eichhorniae cauline leaf after chopping, airing, add natural pond slag and carry out aerobic fermentation, the tunning obtained and the blending of Herba Eichhorniae biological carbon raise earthworm as angleworm bait; After earthworm grows up, gather earthworm and wormcast; Add angleworm bait.Product is entered: remove Herba Eichhorniae root for preventing objectionable impurities; Herba Eichhorniae leaves and stems is divided and detects.Add natural pond slag and hyacinth fermentation, raise the efficiency.Raise in bed and add Herba Eichhorniae biological carbon, make it more loose ventilative, for earthworm creates a good environment, make earthworm and earthworm fecal output is higher, better quality.

Description

A kind of method utilizing earthworm to realize Herba Eichhorniae and animal dung material resource utilization
Technical field
The invention belongs to ecological, environmental protective field of engineering technology, particularly a kind of method utilizing earthworm to realize Herba Eichhorniae and animal dung material resource utilization.
Background technology
Herba Eichhorniae is derived from South America Amazon River basin, is acknowledged as ecological invasion species at present.Eichhornia crassipes growth speed is very fast, in a short time the whole water surface can be hidden, not only block waterborne traffic, also consume a large amount of dissolved oxygen, other hydrobionts cannot be survived; Particularly in the fall, its root leaf can rot rapidly, pollutes water body.Salvage unique practicable method that Herba Eichhorniae problem normally administered by Herba Eichhorniae, but after Herba Eichhorniae salvaging, its process disposal is a very large problem, because amount is too large, deal with very inconvenient, if direct landfill, because its Adsorption of Heavy Metals ability is strong, groundwater pollution can be caused again.How realizing hyacinth resource utilization is the key solving Herba Eichhorniae problem.
Earthworm popular name " earthworm ", Chinese medicinal materials name " earthworm ", belong to Annelita chaetopoda Oligotrichida, the various organic waste of eating, straw, straw, weeds and feces of livestock and poultry can as its feeds.The disease resistance of earthworm and reproductivity are all very strong, easily raise.Earthworm economic worth is high, and it can be used as food raw material, alleviates food shortages problem; Can be used as high protein feed raw material, both can directly to bird eat, also can earthworm is air-dry after can make earthworm powder, replace fish meal reduce costs, be the protein fodder of livestock and poultry high-quality; Also can be used as pharmaceutical raw material.Wormcast is good fertilizer, is described as " gold fertilizer ", is widely used in green food cultivation.
Existing is its finished product-earthworm ight soil with maximum problem in Herba Eichhorniae making wormcast organic fertilizer technique, the heavy metal probably containing excess.Because Herba Eichhorniae has extremely strong inrichment to the many elements in water body, and the ability of the pollutents such as earthworm bioaccumulation heavy metal is also very strong, through the inrichment of Herba Eichhorniae and earthworm, objectionable impurities in water body is easily accumulated in earthworm and wormcast, thus enter food chain, and then population health is threatened; Fowl and animal excrement and Herba Eichhorniae are simply stacked, and are difficult to accomplish to become thoroughly decomposed completely, and such product brings cultivating earthworm, just can not provide good environment to earthworm, and the output of earthworm can be lower, and quality also can be poor.In addition rot to accelerate Herba Eichhorniae, often with the addition of decomposition agent in prior art, due to the bioconcentration of earthworm, the quality of decomposition agent to final product (earthworm and wormcast) causes negative impact.
Current, along with vegetable basket project is implemented, the development of livestock and poultry breeding industry, the process of fowl poultry kind waste has also become a great problem, and because its intractability is large, costly, and fowl poultry kind cultivation belongs to small profit trade, is difficult to bear high offal treatment expense.Realize livestock and poultry dung recovery with methane-generating pit and be considered to a kind of applicable method, but the C/N of feces of livestock and poultry (carbon/nitrogen) is than being 6:1 ~ 7:1, and C/N best in methane-generating pit is than being about 27:1, Herba Eichhorniae add the C/N ratio that can improve fermented product, make it more close to optimum value, thus improve methane-generating pit treatment effect.The present invention proposes a kind of method taking earthworm as medium and Herba Eichhorniae and fowl and animal excrement combination treatment are realized turning harm into good, turning waste into wealth.
Summary of the invention
Object of the present invention is just to provide the method utilizing earthworm to realize Herba Eichhorniae and animal dung material resource utilization, and the product of gained must meet relevant criterion, avoids secondary pollution.To solve now methodical deficiency.
The present invention is realized by following technological step:
Earthworm is utilized to realize a method for Herba Eichhorniae and animal dung material resource utilization,
Concrete steps are:
(1) salvage Herba Eichhorniae, excised by root, obtain cauline leaf part, root does harmless treatment; Leaves and stems divides and carries out objectionable constituent detection, and detecting exceeds standard does harmless treatment, and it is qualified to detect, and shreds process further, obtains the Herba Eichhorniae cauline leaf after shredding;
(2) the Herba Eichhorniae cauline leaf got after part chopping prepares Herba Eichhorniae biological carbon; The Herba Eichhorniae cauline leaf separately got after part chopping is that 2:1 ~ 1:1 mixes with feces of livestock and poultry according to weight ratio, enters methane-generating pit and carries out anaerobically fermenting, obtain biogas, natural pond liquid and natural pond slag after stirring; The natural pond slag part of gained is used for follow-up aerobic fermentation, and all the other are as fertilizer bed material; Gained biogas is clean energy, for daily life fuel and biogas generator raw material; Natural pond liquid is high-quality organic fertilizer raw material;
(3) the Herba Eichhorniae cauline leaf after part chopping is separately got, after airing dehydration, add described natural pond slag and carry out aerobic fermentation, Herba Eichhorniae cauline leaf wherein after chopping and natural pond slag weight ratio are 2:1 ~ 3:1, the tunning obtained after becoming thoroughly decomposed completely and Herba Eichhorniae biological carbon as angleworm bait according to weight ratio 15:1 ~ 10:1 blending, drop into and raise bed raising earthworm; After earthworm grows up, gather earthworm and wormcast; And add angleworm bait; Gained earthworm is good protein fodder, and wormcast is gold fertilizer.
In aforesaid method, described objectionable constituent detect and detect, using 30% of standard value as controlling valu according to " forage health standard " (GB13078-2001); When objectionable constituent are higher than controlling valu, detection exceeds standard, and cauline leaf part is done harmless treatment; When objectionable constituent are lower than controlling valu, it is qualified to detect, and divided by leaves and stems and carry out chopping process, chopping degree is 0.5-0.8cm.
In aforesaid method, the time of anaerobically fermenting described in step (2) is 35-40 days, and temperature is 25 DEG C-37 DEG C.
In aforesaid method, described in step (3), the airing time is 2 ~ 4 days, makes the Herba Eichhorniae cauline leaf moisture control after chopping at 30w/w% ~ 40w/w%; Described aerobic fermentation concrete steps are: mixed with feces of livestock and poultry by the Herba Eichhorniae cauline leaf after chopping, obtain mixture, mixture moisture content is controlled at 50w/w% ~ 60w/w% after stirring, add plant ash or unslaked lime adjust ph is 6.6 ~ 7.5, temperature remains on 21 ~ 64 DEG C, ventilate every day 3-4 time (ventilating once every 6-8 hour), each 3-5 minute, turning in every 3 ~ 4 days once, through more than 38 days, fermented mixture product appearance is in coffee-like, and rear of becoming thoroughly decomposed completely completes fermenting process.
In aforesaid method, step (2) concrete steps are: by the Herba Eichhorniae cauline leaf natural drying 6-8 days after chopping, to water ratio 12-15%, then drop into tube furnace; Before heating, in stove, logical 12-24 minute gas speed is 200-280cm 3the nitrogen of/min, make to be oxygen-free environment in Reaktionsofen, setting temperature of reaction is 400-600 DEG C, within 8-20 minute, reach target temperature, the time of isothermal reaction is subsequently 40-65min, after isothermal pyrolysis completes, powered-down, keep the closed state of Reaktionsofen, Temperature fall, to room temperature, obtains Herba Eichhorniae biological carbon.
In aforesaid method, described earthworm breeding method is: angleworm bait is paved into heap, introduces large flat No. three earthworm kind earthworms, and every square metre is dropped into 2000 ~ 3000, controls the temperature of angleworm bait heap at 19-25 DEG C, moisture content at 66%-74%, pH at 6.6-7.5; When earthworm body weight reaches 0.6 ~ 0.8 gram, gather earthworm and wormcast; Add angleworm bait; Described additional quantity is the 20%-40% of former angleworm bait weight.
Compared with prior art, tool of the present invention has the following advantages:
1. objectionable impuritiess such as preventing heavy metal of adopting an effective measure enters food chain, obtain safe and harmless product: remove Herba Eichhorniae root (easy enrichment pollutent), leaves and stems is divided simultaneously and carry out heavy metal analysis, prevent heavy metal from entering food chain from source, make products obtained therefrom (earthworm and earthworm excrement) that the requirement of green product can be met.
2. adopt the method for the invention, both can process Herba Eichhorniae, and can feces of livestock and poultry be processed again, and realize the resource utilization of two kinds of difficult refuses simultaneously; And Herba Eichhorniae mixes the carbon-nitrogen ratio of adjustable biogas fermentation material with feces of livestock and poultry, improve reaction efficiency.
3. contain beneficial microorganism in the slag of natural pond, can fermentation time be shortened with Herba Eichhorniae mixed fermentation, improve fermentation efficiency.
4. add Herba Eichhorniae biological carbon in earthworm breeding bed, Herba Eichhorniae biological carbon has good hole and specific surface area, keep the very capable of moisture and air, make earthworm bed more loose ventilative, also there is the function regulating pH simultaneously, a good living environment can be created for earthworm, allow earthworm and earthworm fecal output higher; The nutrient of wormcast also can be maintained better.
Accompanying drawing explanation
Fig. 1 method flow diagram of the present invention.
Embodiment
Do specifically to describe in detail further to the present invention below in conjunction with specific embodiment, but embodiments of the present invention are not limited thereto, for the processing parameter do not indicated especially, can refer to routine techniques and carry out.
Embodiment 1
According to shown in Fig. 1 a kind of utilize earthworm to realize Herba Eichhorniae and livestock and poultry dung recovery method and flow process.
Salvage Herba Eichhorniae, excised by root, obtain cauline leaf part, root does harmless treatment (sanitary landfill).Harmless treatment (sanitary landfill) step: build landfill yard clicking suitably, bottom and surrounding are covered with impervious barrier, the end, field and side slope all adopt the two lining HDPE film seepage control system of three cloth two films, then by Herba Eichhorniae root layering lay, compacting, cladding thickness is the soil layer of 250mm above, then compacting; Continue above soil layer after compacting to stack Herba Eichhorniae root, then compacting, by parity of reasoning, until reach design landfill height, closes.
Herba Eichhorniae leaves and stems divides and carries out heavy metal analysis, detecting Main Basis is " forage health standard " (GB13078-2001), consider the inrichment of earthworm to pollutent, using 30% of standard value as controlling valu (see table 1), detection exceeds standard, and (exceeding controlling valu) does harmless treatment, it is qualified to detect, and carry out chopping process, chopping degree is 0.6cm.
Table 1 Herba Eichhorniae cauline leaf heavy metal analysis standard value, controlling valu and measured value/(mg/kg)
A cauline leaf part after chopping mixes with feces of livestock and poultry, and carry out anaerobically fermenting, Herba Eichhorniae and feces of livestock and poultry weight ratio are 2:1, enter methane-generating pit after stirring together and carry out anaerobically fermenting, fermentation time is 40 days, and leavening temperature is 35 DEG C, obtains biogas, natural pond liquid and natural pond slag; The natural pond slag part of gained is used for follow-up aerobic fermentation, and all the other are as fertilizer bed material; Gained biogas is clean energy, for daily life fuel and biogas generator raw material; Natural pond liquid is high-quality organic fertilizer raw material.
A Herba Eichhorniae cauline leaf part after chopping is for making Herba Eichhorniae biological carbon: the Herba Eichhorniae cauline leaf airing after chopping 7 days, to water ratio about 15%; Raw material after preliminary hydro-extraction is dropped into tube furnace, and before heating, in stove, logical 20 minutes gas speed is 250cm 3the nitrogen of/min, make to be oxygen-free environment in Reaktionsofen, setting temperature of reaction is 450 DEG C, within 8 minutes, reaches target temperature, the time of isothermal reaction is subsequently 55 minutes, after isothermal pyrolysis completes, powered-down, keep the closed state of Reaktionsofen, Temperature fall, to room temperature, obtains Herba Eichhorniae biological carbon.
Herba Eichhorniae cauline leaf part airing after chopping 3 days, be about 37% to water ratio, be 2:1 with the weight ratio of natural pond slag, mixture moisture control after stirring is about 60%, adding plant ash adjust ph is 7.1, temperature remains on about 60 DEG C, every morning 6:00, noon 12:00 and afternoon 6:00 respectively ventilate once, each 5 minutes, once, through 38 days, fermented mixture product appearance was in coffee-like in turning in every 3 days, complete fermenting process, as dropping into earthworm breeding bed after the tunning obtained mixes with Herba Eichhorniae biological carbon.
In order to test the effect of adding natural pond slag, carried out simultaneous test, test divides four kinds of different proportionings, the results are shown in Table 2.After table 2 illustrates and adds natural pond slag, Herba Eichhorniae aerobic fermentation speed accelerates.
Fermentation time under the slag different ratio of table 2 Herba Eichhorniae natural pond
Using the product after aerobic fermentation and the blending of Herba Eichhorniae biological carbon as angleworm bait, drop into and raise bed and raise earthworm, the weight ratio of the product after aerobic fermentation and Herba Eichhorniae carbon is 10:1; Angleworm bait being paved into width is 1.0m, length is 5m, thickness is the rectangular parallelepiped heap of 0.5m, introduce large flat No. three earthworm kind earthworms, every square metre is dropped into 3000, inserts thermometer and wet bulb thermometer in earthworm heap, observe temperature and humidity at any time, control angleworm bait heap temperature at 25 DEG C, moisture content at 74%, pH 7.5; When earthworm body weight reaches 0.8 gram, gather earthworm, gather wormcast simultaneously and make drying treatment, add angleworm bait, additional quantity accounts for 20% (weight ratio) of former add-on weight.
In order to test the effect of adding Herba Eichhorniae biological carbon, carried out simultaneous test, test divides 4 kinds of different proportionings, the results are shown in Table 3.Table 2 illustrates that appropriate Herba Eichhorniae biological carbon of adding can improve earthworm output.
Table 3 adds the changing conditions that Herba Eichhorniae biological carbon causes earthworm output
Carry out quality examination mensuration to earthworm and wormcast, the examination criteria of earthworm is " forage health standard " (GB13078-2001), and detected result is in table 4.Detected result shows, produce earthworm and reach relevant national standard.Earthworm qualified after testing can be used as high protein feed raw material: both can be edible directly to bird, reptiles (raise small water turtle etc.), also can earthworm is air-dry after can make earthworm powder, for making other high-quality feeds.
Table 4 live box obtains earthworm objectionable impurities detected result/(mg/kg)
For wormcast, except adopting " forage health standard " (GB13078-2001) and detecting its objectionable constituent and whether exceed standard, also adopt " organic fertilizer new standard " (NY525-2011), detect its nutrient.Detected result shows, gained wormcast reaches forage health standard (see table 5), and organic fertilizer new standard (see table 6).
Table 5 live box obtains wormcast objectionable impurities detected result/(mg/kg)
Table 6 gained wormcast nutrient and fertilizer standard control
Embodiment 2
Salvage Herba Eichhorniae, excised by root, obtain cauline leaf part, root does harmless treatment (sanitary landfill).Herba Eichhorniae leaves and stems divides and carries out quality examination.Using 30% of " forage health standard " (GB13078-2001) standard value as controlling valu (see table 1), detection exceeds standard, and (exceeding controlling valu) does harmless treatment, it is qualified to detect, and carry out chopping process, chopping degree is 0.8cm.
A Herba Eichhorniae cauline leaf part after chopping is for making Herba Eichhorniae biological carbon: the Herba Eichhorniae cauline leaf airing after chopping 8 days, to water ratio about 12%; Drop into tube furnace, before heating, be the nitrogen of 280cm3/min toward logical 18 minutes gas speed in stove, making Reaktionsofen interior is oxygen-free environment, setting temperature of reaction is 500 DEG C, within 12 minutes, reach target temperature, the time of isothermal reaction is subsequently 45 minutes, after isothermal pyrolysis completes, powered-down, keep the closed state of Reaktionsofen, Temperature fall, to room temperature, obtains Herba Eichhorniae biological carbon.
Cauline leaf after part chopping mixes with feces of livestock and poultry, carries out anaerobically fermenting.Herba Eichhorniae and feces of livestock and poultry weight ratio are 1:1, enter methane-generating pit together and carry out anaerobically fermenting after stirring, and fermentation time is 35 days, and leavening temperature is 37 DEG C, obtain biogas, natural pond liquid and natural pond slag; The natural pond slag part of gained is used for follow-up aerobic fermentation, and all the other are as fertilizer bed material; Gained biogas is clean energy, for daily life fuel and biogas generator raw material; Natural pond liquid is high-quality organic fertilizer raw material.
Herba Eichhorniae cauline leaf after part chopping, carries out aerobic fermentation.Herba Eichhorniae cauline leaf airing 4 days, be about 30% to water ratio, be 3:1 with the weight ratio of natural pond slag, mixture moisture control after stirring is about 50%, adding plant ash adjust ph is 7.5, temperature remains on about 64 DEG C, every morning 6:00, noon 12:00 and afternoon 18:00, when evening 24, each to ventilate once, each 3 minutes, once, through 39 days, fermented mixture product appearance was in coffee-like in turning in every 4 days, complete fermenting process, as dropping into earthworm breeding bed after the tunning obtained mixes with Herba Eichhorniae biological carbon.
Using the product after aerobic fermentation and the blending of Herba Eichhorniae biological carbon as angleworm bait, drop into and raise bed and raise earthworm, the weight ratio of the product after aerobic fermentation and Herba Eichhorniae carbon is 15:1; Angleworm bait being paved into width is 1.0m, length is 5m, thickness is the rectangular parallelepiped heap of 0.5m, introduce large flat No. three earthworm kind earthworms, throw 2000 for every square metre, in earthworm heap, insert thermometer and wet bulb thermometer, observe temperature and humidity at any time, control angleworm bait heap temperature at 23 DEG C, moisture content at 70%, pH 7.1; When earthworm body weight reaches 0.6 gram, gather earthworm, gather wormcast simultaneously and make drying treatment, add angleworm bait, additional quantity accounts for 40% (weight ratio) of former add-on weight.
The above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.

Claims (5)

1. utilize earthworm to realize a method for Herba Eichhorniae and animal dung material resource utilization, it is characterized in that, concrete steps are:
(1) salvage Herba Eichhorniae, excised by root, obtain cauline leaf part, root does harmless treatment; Leaves and stems divides and carries out objectionable constituent detection, and detecting exceeds standard does harmless treatment, and it is qualified to detect, and shreds process further, obtains the Herba Eichhorniae cauline leaf after shredding;
(2) the Herba Eichhorniae cauline leaf got after part chopping prepares Herba Eichhorniae biological carbon; The Herba Eichhorniae cauline leaf separately got after part chopping is that 2:1 ~ 1:1 mixes with feces of livestock and poultry according to weight ratio, enters methane-generating pit and carries out anaerobically fermenting, obtain biogas, natural pond liquid and natural pond slag after stirring;
(3) the Herba Eichhorniae cauline leaf after part chopping is separately got again, after airing dehydration, add described natural pond slag and carry out aerobic fermentation, Herba Eichhorniae cauline leaf wherein after chopping and natural pond slag weight ratio are 2:1 ~ 3:1, the tunning obtained after becoming thoroughly decomposed completely and Herba Eichhorniae biological carbon as angleworm bait according to weight ratio 15:1 ~ 10:1 blending, drop into and raise bed raising earthworm; After earthworm grows up, gather earthworm and wormcast; And add angleworm bait;
In step (1), described objectionable constituent detect and detect, using 30% of standard value as controlling valu according to " forage health standard " (GB13078-2001); When objectionable constituent are higher than controlling valu, detection exceeds standard, and cauline leaf part is done harmless treatment; When objectionable constituent are lower than controlling valu, it is qualified to detect, and divided by leaves and stems and carry out chopping process, chopping degree is 0.5-0.8cm.
2. utilize earthworm to realize the method for Herba Eichhorniae and animal dung material resource utilization as claimed in claim 1, it is characterized in that, the time of anaerobically fermenting described in step (2) is 35-40 days, and temperature is 25 DEG C-37 DEG C.
3. utilize earthworm to realize the method for Herba Eichhorniae and animal dung material resource utilization as claimed in claim 1, it is characterized in that, described in step (3), the airing time is 2 ~ 4 days, makes the Herba Eichhorniae cauline leaf moisture control after chopping at 30w/w% ~ 40w/w%; Described aerobic fermentation concrete steps are: mixed with feces of livestock and poultry by the Herba Eichhorniae cauline leaf after chopping, obtain mixture, control mixture moisture after stirring at 50w/w% ~ 60w/w%, add plant ash or unslaked lime adjust ph is 6.6 ~ 7.5, temperature remains on 21 ~ 64 DEG C, every day ventilates 3-4 time, each 3-5 minute, turning in every 3 ~ 4 days once, through more than 38 days, fermented mixture product appearance is in coffee-like, and rear of becoming thoroughly decomposed completely completes fermenting process.
4. utilize earthworm to realize the method for Herba Eichhorniae and animal dung material resource utilization as claimed in claim 1, it is characterized in that, the concrete steps preparing Herba Eichhorniae biological carbon in step (2) are: by the Herba Eichhorniae cauline leaf natural drying 6-8 days after chopping, to water ratio 12-15%, then drop into tube furnace; Before heating, in stove, logical 12-24 minute gas speed is 200-280cm 3the nitrogen of/min, make to be oxygen-free environment in Reaktionsofen, setting temperature of reaction is 400-600 DEG C, within 8-20 minute, reach target temperature, the time of isothermal reaction is subsequently 40-65min, after isothermal pyrolysis completes, powered-down, keep the closed state of Reaktionsofen, Temperature fall, to room temperature, obtains Herba Eichhorniae biological carbon.
5. utilize earthworm to realize the method for Herba Eichhorniae and animal dung material resource utilization as claimed in claim 1, it is characterized in that, described earthworm breeding method is: angleworm bait is paved into heap, introduce large flat No. three earthworm kind earthworms, every square metre is dropped into 2000 ~ 3000, control angleworm bait heap temperature at 19-25 DEG C, moisture content at 66%-74%, pH at 6.6-7.5; When earthworm body weight reaches 0.6 ~ 0.8 gram, gather earthworm and wormcast; Add angleworm bait; Described additional quantity is the 20%-40% of former angleworm bait weight.
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