CN105861369A - Microbial agent for garbage composting as well as preparation method and application thereof - Google Patents

Microbial agent for garbage composting as well as preparation method and application thereof Download PDF

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CN105861369A
CN105861369A CN201610261042.XA CN201610261042A CN105861369A CN 105861369 A CN105861369 A CN 105861369A CN 201610261042 A CN201610261042 A CN 201610261042A CN 105861369 A CN105861369 A CN 105861369A
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microbial
rubbish
garbage
bacillus amyloliquefaciens
candida utilis
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CN105861369B (en
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张亮
王泽宇
孙志刚
李玲燕
赵志强
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QINGDAO GENYUAN BIOLOGICAL TECHNOLOGY GROUP Co Ltd
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
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    • C12N1/20Bacteria; Culture media therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/14Fungi; Culture media therefor
    • C12N1/16Yeasts; Culture media therefor

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Abstract

The invention discloses a microbial agent for garbage composting as well as a preparation method and application thereof. The microbial agent comprises bacillus amyloliquefaciens, candida utilis, lactobacillus acidophilus and rhodopseudomonas palustris and is a liquid bacterial agent or solid bacterial agent. The microbial agent for garbage composting, disclosed by the invention, has the advantages of easiness in production, stable product quality, low cost and strong controllability in a garbage composting process; after the microbial agent is added into the garbage, the content of beneficial efficient microorganisms in the garbage can be increased, the microbial activity is improved, the garbage fermentation process is accelerated, the leaching of water and the increase of the lower calorific value of garbage are promoted, and the incineration efficiency of the garbage is improved; in a region with relatively low winter temperature, the microbial agent can reduce the influence caused by the low-temperature environment change so as to guarantee smooth operation of the garbage incineration according to the technology design; and by adopting the microbial agent, the generation of garbage smell can be reduced, and the working environment is improved.

Description

A kind of microbial bacterial agent for rubbish heap ferment and its preparation method and application
Technical field
The invention belongs to the biologic treating technique field of house refuse, particularly to a kind of microorganism for rubbish heap ferment Microbial inoculum and its preparation method and application.
Background technology
The method of China's domestic rubbish disposal mainly has landfill method, composting process and burning method, landfill needs to take greatly at present Amount soil, compost is low due to refuse classification degree, its product utilization difficulty, and burning method is in the minimizing, harmless of garbage disposal Change and relative to other processing methods, there is sizable advantage with resource aspect.Along with the development of urbanization, can be used for filling life The soil of rubbish alive reduces day by day, and incinerating method becomes increasing local selection in processing house refuse.But, I There is the feature that moisture content is high, refuse thermal value is relatively low, China's major part domestic waste moisture content in the domestic waste of state It is 40 ~ 70%.In the principal element affecting refuse thermal value, moisture content is the most notable on the impact of combustion heat value.Msw water content The highest, the heat that during burning, water vapor is taken away is the most.According to Theoretical Calculation, 1kg water vapor needs to absorb the heat of about 2500kJ Amount.Msw water content often reduces by 10% incinerating combustion value will improve 250KJ/kg.
Before waste incineration, in storage hole, house refuse is carried out heap ferment pretreatment is current China municipal solid waste incinerator Common method.Rubbish carries out the stacking of a period of time in the garbage pool of stokehold, can ooze out moisture therein, improves into stove rubbish The unit calorific value of rubbish.The moisture that rubbish leaches, in addition to the outside moisture by gravity extruding removing, mainly passes through microorganism The combination moisture that organic Degradation is leached and other liquids.Rubbish heap ferment be different from rubbish compost, heap Fertilizer is aerobic process, needs turning or ventilation, and heap ferment is mainly anoxia or anaerobic processes.Main work is played during rubbish heap ferment Be microorganism anaerobic respiration and anaerobic fermentation.Microorganism, during heap ferment, destroys organic molecular structure, decomposes big Molecular organic is more inflammable small-molecule substance, and release combines water, releases heat simultaneously and makes heap temperature rise, is more beneficial for micro- Biological activity and moisture leach, thus improve calorific value.
Rubbish heap ferment is presently mainly nature heap ferment process, but the shortcoming of natural heap ferment is:
1, in natural heap ferment, micro organism quantity is few, and heap ferment process starts slow, and the moisture amount of leaching is few, and Lower heat value improves degree to be had Limit.
2, natural heap ferment process is unstable, is easily affected by the external environment.Especially the northern area of China winter temperature is low, causes The microbial activity carried in house refuse is extremely low, and within the heap ferment time of technological design, moisture removal amount is inadequate, rubbish low Position calorific value reduces, and waste incineration efficiency declines.
3, natural heap ferment process is along with rubbish decay process, produces a large amount of stink, affects air quality.
Summary of the invention
It is an object of the invention to overcome the deficiency of rubbish nature heap ferment in prior art, it is provided that a kind of for rubbish heap The microbial bacterial agent of the stability and high efficiency of ferment.
Another object of the present invention is to provide the preparation method of the above-mentioned microbial bacterial agent for rubbish heap ferment.
It is still another object of the present invention to provide the application of the above-mentioned microbial bacterial agent for rubbish heap ferment.
For achieving the above object, the present invention uses following technical proposals to be achieved:
A kind of microbial bacterial agent for rubbish heap ferment, it include bacillus amyloliquefaciens, Candida utilis, addicted to yogurt bar Bacterium and Rhodopseudomonas palustris, described microbial bacterial agent is liquid microbe microbial inoculum or solid microbial, and described liquid is micro- In bacteria agent, bacterial content is respectively bacillus amyloliquefaciens 2,000,000,000 ~ 5,000,000,000/milliliter, Candida utilis 3,000,000,000 ~ 6,000,000,000/in the least Liter, bacillus acidophilus's 3,000,000,000 ~ 6,000,000,000/milliliter and Rhodopseudomonas palustris 2,000,000,000 ~ 5,000,000,000/milliliter;Described solid microbial Middle bacterial content be respectively bacillus amyloliquefaciens 1,000,000,000 ~ 3,000,000,000/gram, Candida utilis 2,000,000,000 ~ 5,000,000,000/gram, addicted to yogurt bar Bacterium 2,000,000,000 ~ 5,000,000,000/gram and Rhodopseudomonas palustris 1,000,000,000 ~ 3,000,000,000/gram.
Wherein, described bacillus amyloliquefaciens is the bacillus amyloliquefaciens of the CGMCC No.10011 that deposit number is HFJ-7。
The invention provides the preparation method of the described liquid microbe microbial inoculum for rubbish heap ferment, including following step Rapid:
(1) bacillus amyloliquefaciens, Candida utilis, bacillus acidophilus and Rhodopseudomonas palustris are cultivated at it respectively Base is carried out cultivate and obtain bacterium solution;
(2) by described bacillus amyloliquefaciens bacterium solution: Candida utilis bacterium solution: bacillus acidophilus's bacterium solution: marsh is red false single The ratio of born of the same parents bacterium bacterium solution 1 ~ 4:1 by volume ~ 5:1 ~ 5:1 ~ 3 is mixed with and obtains described liquid microbe microbial inoculum.
Present invention also offers the preparation method of the described solid microbial for rubbish heap ferment, specifically include down State step:
(1) by bacillus amyloliquefaciens, Candida utilis, bacillus acidophilus and Rhodopseudomonas palustris respectively in correspondence Culture medium activates, then cultivates respectively in respective culture medium and obtain bacterium solution;
(2) described bacillus amyloliquefaciens bacterium solution uses and is spray-dried, with Pulvis Talci for carrier be prepared as bacteria containing amount 10,000,000,000/gram ~ 20000000000/gram powder, Candida utilis, bacillus acidophilus and Rhodopseudomonas palustris are respectively adopted lyophilization, with jade Rice fiber powder be carrier make bacteria containing amount be 5,000,000,000 respectively/gram ~ 10,000,000,000/gram powder;
(3) bacillus amyloliquefaciens is pressed: Candida utilis: bacillus acidophilus: Rhodopseudomonas palustris=mass ratio 1 ~ 4:1 ~ The ratio of 10:1 ~ 10:1 ~ 5 is mixed and made into described solid microbial.
Further: described bacillus amyloliquefaciens is incubation time 24 ~ 48 hours at 30 DEG C;Described Candida utilis Bacterium is incubation time 18 ~ 36 hours at 30 DEG C;Described bacillus acidophilus is incubation time 24 ~ 72 hours at 37 DEG C;Described marsh Rhodopseudomonas is illumination cultivation time 100 ~ 150 hours at 30 DEG C.
Further: the culture medium of described bacillus amyloliquefaciens is with water as substrate, and pH7.0 ~ 7.2, including peptone 5.0g/L ~ 10.0g/L, Carnis Bovis seu Bubali cream 2.0g/L ~ 3.0g/L, glucose 10.0g/L ~ 20.0g/L, sodium chloride 3.0g/L ~ 5.0g/L;
Candida utilis culture medium with water as substrate, including: yeast extract 5.0g/L ~ 10.0g/L, peptone 10.0g/L ~ 20.0g/L, glucose 10.0 ~ 20.0g/L;
Bacillus acidophilus's culture medium is with water as substrate, and pH 6.2~6.4, including peptone 5.0g/L ~ 10.0g/L, Carnis Bovis seu Bubali cream 5.0g/L ~ 10g/L, K2HPO4 1.0g/L ~ 2.0g/L, Triammonium citrate 1.0g/L ~ 2.0g/L, MgSO4·7H2O 0.6g/L~ 1.0g/L, yeast extract 3.0g/L ~ 8.0g/L, sodium acetate 3.0g/L ~ 8.0g/L, glucose 15.0g/L ~ 30.0g/L, Tween80 1.0ml/L ~ 3.0ml/L, CaCO33.0g ~ 8.0g/L, MnSO4·4 H2O 0.3g/L ~ 0.5g/L, agar 15.0g/L~20.0g/L;
Rhodopseudomonas palustris culture medium is with water as substrate, and pH 7.2-7.4, including sodium acetate 3.0g/L ~ 8.0g/L, peptone 1.5g/L ~ 2.0g/L, sodium chloride 0.5g/L ~ 1.5g/L, MgSO4·7H2O 0.2 g/L ~ 0.5g/L, NH4Cl 1.0g/L~ 3.0g/L, K2HPO40.5g/L ~ 2.0g/L, Na2CO3 5.0g/L~8.0g/L。
Present invention also offers the application in the rubbish heap ferment before consumer waste incineration of the described microbial bacterial agent.
Further: the specifically used method of described liquid microbe microbial inoculum is: by liquid microbe microbial inoculum stock solution water House refuse surface, rubbish spraying liquid microbial inoculum stock solution 0.25 ~ 5L per ton directly it is sprayed onto after 10 ~ 100 times of dilutions;Or by liquid After the dilution of 10 ~ 100 times of body microbial bacterial agent use water, add after nutrient source spreads cultivation 12 ~ 72 hours under the conditions of 20 ~ 35 DEG C and be sprayed onto House refuse surface, rubbish per ton sprays the bacterium solution 1 ~ 10L after spreading cultivation.
Further: the specifically used method of described solid microbial is: be directly spread to by solid microbial In house refuse heap, mix homogeneously, rubbish per ton adds solid fungicide 0.5 ~ 5kg;Or solid microbial is used water 10- After 100 times of dilutions, adding after nutrient source activates 12 ~ 72 hours under the conditions of 20 ~ 35 DEG C and be spread in house refuse heap, mixing is all Even, rubbish per ton adds the microbial inoculum 1 ~ 10kg after activation.
Further: described nutrient source is brown sugar, carbamide, one or more in phosphate.
The present invention compared with prior art, has following prominent advantage and a beneficial effect:
1, the rubbish heap ferment microbial bacterial agent of the present invention is readily produced, constant product quality, and low cost is applied to rubbish heap ferment mistake Journey controllability is strong.
2, after the microorganism formulation for rubbish heap ferment of the present invention adds in rubbish, by increasing capacitance it is possible to increase useful height in rubbish The content of effect microorganism, improves microbial activity, accelerates the process of rubbish fermentation, promotes leaching and rubbish Lower heat value of moisture Rising, improve rubbish firing efficiency.
3, the relatively low area of temperature in the winter time, uses this microbial bacterial agent can reduce low temperature environment and changes the impact brought, Ensure that the burning of rubbish is smoothed out according to the design of technique.
4, the microbial bacterial agent of the present invention is used, it is also possible to reduce the generation of garbage odor, improve working environment.
Accompanying drawing explanation
Fig. 1 is that the embodiment of the present invention 5 is added before and after microbial inoculum waste incineration every day amount and works as daily temperature;
Fig. 2 is that the embodiment of the present invention 5 adds microbial inoculum forward backward averaging burning every day amount;
Fig. 3 is that the embodiment of the present invention 6 is added before and after microbial inoculum waste incineration every day amount and works as daily temperature;
Fig. 4 is that the embodiment of the present invention 6 adds microbial inoculum forward backward averaging burning every day amount.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but the embodiment of invention is not limited to this.
Embodiment 1
Microbial bacterial agent of the present invention includes bacillus amyloliquefaciens (Bacillus amyloloquefaciens), produces protein The red false unit cell in candida mycoderma (Candida utilis), bacillus acidophilus (Lactobacillus acidophilus) and marsh Bacterium (Rhodopseudanonas palustris), bacillus amyloliquefaciens of the present invention, Candida utilis, addicted to yogurt Bacillus and Rhodopseudomonas palustris are selected from the microbial inoculum of market sale, and wherein said bacillus amyloliquefaciens also can use in being preserved in The solution starch of the CGMCC No.10011 that the deposit number at state's Microbiological Culture Collection administration committee common micro-organisms center is Bacillus cereus HFJ-7.
The depositary institution of described bacillus amyloliquefaciens HFJ-7: China Committee for Culture Collection of Microorganisms is the most micro- Bio-Centers (CGMCC);Address: Yard 1, BeiChen xi Road, Chaoyang District, Beijing City 3, Institute of Microorganism, Academia Sinica;Preservation Date: on November 19th, 2014;The deposit number of bacillus amyloliquefaciens Bacillus amyloliquefaciens is CGMCC No. 10011。
The bacillus amyloliquefaciens of the present invention is the bacterial strain with organic matter degradation function, and Candida utilis is for having oil The bacterial strain of fat degradation function, bacillus acidophilus is the bacterial strain with suppression putrefaction bacteria function, and Rhodopseudomonas palustris disappears for having The bacterial strain of deodorization function.Four kinds of bacterial strains, by playing respective function, common degradation of organic substances in different phase, promote heap ferment mistake The carrying out of journey, wherein Candida utilis and bacillus acidophilus are dominant bacteria at anaerobic stages.
The preparation method of microbial bacterial agent for rubbish heap ferment described in the present embodiment specifically includes following steps:
1, by bacillus amyloliquefaciens, Candida utilis, bacillus acidophilus and Rhodopseudomonas palustris respectively in correspondence Culture medium activates, then the culture medium after respective sterilizing carries out seed culture.
The culture medium of described bacillus amyloliquefaciens consists of: peptone 10.0g, Carnis Bovis seu Bubali cream 3.0g, glucose 20.0g, NaCl 5.0g, water 1000ml, pH7.0.Described bacillus amyloliquefaciens inoculum concentration is 10%, under the conditions of 30 DEG C, cultivates 22 little Time.In the bacillus amyloliquefaciens bacterium solution obtained after cultivation, the bacteria containing amount of bacillus amyloliquefaciens is 30,000,000,000/milliliter.
The culture medium of described Candida utilis is: yeast extract 10.0g, peptone 20.0g, glucose 20.0g, distillation Water 1000ml.Described Candida utilis inoculum concentration 4%, cultivates 24 hours under the conditions of 30 DEG C.The Candida utilis obtained after cultivation In yeast liquid, the bacteria containing amount of Candida utilis is 10,000,000,000/milliliter.
Described bacillus acidophilus's culture medium: peptone 10.0g, Carnis Bovis seu Bubali cream 10.0g, yeast extract 5.0g, K2HPO4 2.0g, Triammonium citrate 2.0g, sodium acetate 5g, glucose 20g, Tween80 1ml, MgSO4·7H2O 0.58g, MnSO4·4 H2O 0.25g, CaCO35.0g, distilled water 1000ml, pH 6.2.Described bacillus acidophilus's inoculum concentration 4%, trains under the conditions of 37 DEG C Support 24 hours.In the bacillus acidophilus's liquid obtained after cultivation, the bacteria containing amount of bacillus acidophilus is 10,000,000,000/milliliter.
Described Rhodopseudomonas palustris culture medium: sodium acetate 5.0g, peptone 1.5g, NaCl 0.5g, NH4Cl 1.0g , MgSO4·7H2O 0.2 g, K2HPO40.5g, Na2CO35.0g, pH 7.4.Described Rhodopseudomonas palustris inoculum concentration 15%, Under 2000lx ~ 3000lx illumination, cultivate 120 hours for 30 DEG C.In the Rhodopseudomonas palustris bacterium solution obtained after cultivation, marsh is red The bacteria containing amount of pseudomonas is 10,000,000,000/milliliter.
2, above-mentioned cultivate by fermentation bacillus amyloliquefaciens liquid, Candida utilis liquid, bacillus acidophilus's liquid and The ratio of Rhodopseudomonas palustris liquid 1:3:4:2 by volume is mixed and made into the microbial bacteria for rubbish heap ferment of the present invention The liquid bacterial agent of agent, bacillus amyloliquefaciens content 3,000,000,000/milliliter in microbial inoculum, Candida utilis content 3,000,000,000/milliliter, addicted to Lactobacillus lactis content 4,000,000,000/milliliter, Rhodopseudomonas palustris content 2,000,000,000/milliliter.
Embodiment 2
The preparation method of microbial bacterial agent for rubbish heap ferment described in the present embodiment specifically includes following steps:
1, by bacillus amyloliquefaciens, Candida utilis, bacillus acidophilus and Rhodopseudomonas palustris respectively in correspondence Culture medium activates, then the culture medium after respective sterilizing carries out seed culture.
The culture medium of described bacillus amyloliquefaciens consists of: peptone 10.0g, Carnis Bovis seu Bubali cream 3.0g, glucose 20.0g, NaCl 5.0g, water 1000ml, pH6.8.Bacillus amyloliquefaciens inoculum concentration is 8%, under the conditions of 30 DEG C, cultivates 24 hours.Training In the bacillus amyloliquefaciens bacterium solution obtained after Yanging, the bacteria containing amount of bacillus amyloliquefaciens is 40,000,000,000/milliliter.
Described Candida utilis culture medium is: yeast extract 10.0g, peptone 20.0g, glucose 20.0g, distilled water 1000ml.Candida utilis inoculum concentration 5%, cultivates 18 hours under the conditions of 30 DEG C.The Candida utilis obtained after cultivation In liquid, the bacteria containing amount of Candida utilis is 10,000,000,000/milliliter
Described bacillus acidophilus's culture medium: peptone 10g, Carnis Bovis seu Bubali cream 10g, yeast extract 5g, K2HPO4 2.0g, citric acid three Ammonium 2.0g, sodium acetate 5.0g, glucose 20.0g, Tween80 1ml, MgSO4·7H2O 0.58g, MnSO4·4 H2O 0.25g, CaCO35.0g, distilled water 1000ml, pH 6.4.Bacillus acidophilus's inoculum concentration 3%, cultivates 24 little under the conditions of 37 DEG C Time.In the bacillus acidophilus's liquid obtained after cultivation, the bacteria containing amount of bacillus acidophilus is 10,000,000,000/milliliter.
Described Rhodopseudomonas palustris culture medium: sodium acetate 5g, peptone 1.5g, NaCl 0.5g, NH4Cl 2.0g, MgSO4 ·7H2O 0.2 g, K2HPO40.5g, Na2CO35.0g, PH 7.2.Rhodopseudomonas palustris inoculum concentration 10%, Under 2000lx illumination, cultivate 120 hours for 28 DEG C.Rhodopseudomonas palustris in the Rhodopseudomonas palustris bacterium solution obtained after cultivation Bacteria containing amount is 10,000,000,000/milliliter.
2, the 1.0L bacillus amyloliquefaciens bacterium solution after cultivating adds 1.0kg Pulvis Talci, after mix homogeneously, use spray Mist is dried makes pressed powder, again add Pulvis Talci be prepared as bacteria containing amount 20,000,000,000/gram microbial inoculum.Institute the most after incubation State the corn fiber powder adding 1.0kg sterilizing in Candida utilis, bacillus acidophilus and Rhodopseudomonas palustris 1.0L bacterium solution, After mix homogeneously, under the conditions of-50 DEG C, vacuum lyophilization obtains solid fungicide, again add carrier make bacteria containing amount 5,000,000,000/gram Microbial inoculum.
3, according to bacillus amyloliquefaciens microbial inoculum: Candida utilis microbial inoculum: bacillus acidophilus's microbial inoculum: marsh is red false single The solid fungicide that born of the same parents bacterium solid fungicide=mass ratio 1:4:6:2 is mixed is rubbish heap ferment solid microbial.
Embodiment 3
Gathering the house refuse in the refuse collection station of resident living area, Qingdao City, after artificial broken bag, mix homogeneously is stand-by.Life The physical composition (wet basis mass fraction) of rubbish be foodstuff 74.1%, stationery 11.5%, plastics 4.3%, other 10.1%.It is initial Water content (wet basis) is 66.2%.Processing in rustless steel container, container height 120cm, internal diameter 40cm, outsourcing 10cm are thick Hollow cotton pad insulation, bottom pad 10 cm thick stone collects percolate as filtering layer, by 50kg(wet basis) aforementioned house refuse Being respectively charged in 6 experimental provisions, wherein 3 experimental provisions add embodiment 1 according to the ratio that quantity of refuse mass ratio is 0.1% The described microbial bacterial agent prepared, other 3 experimental provisions spray mass ratio be the water of 0.1% as blank, each device In, rubbish adds loads 10kg.Sample analysis after processing 3 days, data are shown in Table 1.From table 1 it follows that add at microbial inoculum Msw water content after reason reaches 48.3%, reduces by 8.4% than control treatment, and Lower heat value reaches 6024kJ/kg, ratio comparison place Reason increases 1235kJ/kg, adds the rubbish after microbial inoculum processes and more suitably burns.
Table 1 msw water content and calorific value
Msw water content (%) Lower heat value (kJ/kg)
Initial waste 66.2±3.51 4053±127
Add microbial inoculum rubbish 48.3±2.88 6024±339
Comparison 56.7±5.04 4789±302
Embodiment 4
Gathering the house refuse in the refuse collection station of resident living area, Qingdao City, after artificial broken bag, mix homogeneously is stand-by.Life The physical composition (wet basis mass fraction) of rubbish be foodstuff 78.2%, stationery 13.5%, plastics 4.4%, other 3.9%.It is initial Water content (wet basis) is 67.3%.Processing in rustless steel container, container height 120cm, internal diameter 40cm, outsourcing 10cm are thick Hollow cotton pad insulation, bottom pad 10 cm thick stone collects percolate as filtering layer, by 50kg(wet basis) aforementioned house refuse Being respectively charged in 6 experimental provisions, wherein the rubbish of 3 experimental provisions adds and accounts for the embodiment 2 that rubbish mass ratio is 0.2% and make Described microbial bacterial agent, other 3 as blank, in each device, rubbish adds loads 10kg.Process 3 days Rear sample analysis, data are shown in Table 2.Reduce from Table 2, it can be seen that add the msw water content after microbial inoculum processes than control treatment 6.7% reaches 47.4%, and Lower heat value reaches 6105kJ/kg, increases 1117kJ/kg, the rubbish after microbial inoculum process than control treatment Rubbish more suitably burns.
Table 2 msw water content and calorific value
Msw water content (%) Calorific value (kJ/kg)
Initial waste 67.3±3.64 4121±139
Add microbial inoculum rubbish 47.4±3.32 6105±324
Comparison 54.1±4.93 4988±279
Embodiment 5
In December, 2015 Shandong fixed-end forces factory, the rubbish heap ferment time is 7 days, is not added with microbial inoculum first 14 days, and average every day burns Burning amount is 170.64 tons.Microbial inoculum activation and spray appliance are set in rubbish heap ferment workshop.
Microbial inoculum activation equipment: 2 500L buckets, as activation culture container numbering 1# respectively, 2#, are respectively connected to electric heating tube Heated for controlling temperature, and be incubated by external insulation measure.2 buckets are made to be in an activation culture, in 1 use state, every angel By 1 barrel of bacterium solution, again cultivate after use.
Activation method: in the bucket of 500L, adds brown sugar 10kg;Carbamide 0.5kg;Potassium dihydrogen phosphate 0.1kg;Water 200L; After heating for dissolving, water temperature drops to about the 30 DEG C microbial inoculum 20kg added in embodiment 2, keeps water temperature 25-30 DEG C activation training Use after supporting 1 day.
Arranging microbial inoculum spray appliance in rubbish heap ferment workshop, sanitation cart is often discharged into a collection of rubbish, according to accounting in rubbish heap Rubbish mass ratio is the microbial bacterial agent of the present invention of the embodiment 2 after the ratio interpolation activation of 0.2%, runs 14 days continuously, Before and after interpolation microbial inoculum, waste incineration amount and temperature Change on the same day are as shown in Figure 1.When ground temperature is relatively low, but when Daily minimum temperature with Maximum temperature difference before and after adding microbial inoculum is little, and after adding microbial inoculum, the burning amount of rubbish is increased dramatically.Add microbial inoculum After 14 days, burn away the refuse average every day 196.00 tons, with untreated before compared with, average waste incineration every day amount improve 14.86%, as shown in Figure 2.Data above proves, adds described microbial inoculum and can improve rubbish and burn in the case of temperature is relatively low in the winter time Burn the waste incineration amount of factory's every day.
Stench intensity, ammonia concentration, concentration of hydrogen sulfide and TVOC concentration, result in heap ferment workshop before and after mensuration processes simultaneously Such as table 3.Ammonia in the air of heap ferment space, hydrogen sulfide, the concentration of TVOC the most greatly reduces, and reduces by 67.12% respectively than before, 57.53%, 49.19%, odor strength reduces by 55.33%, and heap ferment environment is substantially improved.
Table 3 adds deodorizing effect before and after microbial inoculum
Testing index Before process After process Reduction rate (%)
Odor strength (OU) 11253 5027 55.33
Ammonia concentration (mg/m3) 7.3 2.4 67.12
Concentration of hydrogen sulfide (mg/m3) 14.6 6.2 57.53
TVOC concentration (mg/m3) 12.4 6.3 49.19
Embodiment 6
2016 02 month Shandong fixed-end forces factory, the rubbish heap ferment time is 7 days, and average burning every day amount is 167.36 tons, Rubbish heap ferment workshop arranges microbial inoculum activation and atomized spray equipment.
Microbial inoculum activation equipment: 3 500L buckets, as activation culture container numbering 1# respectively, 2#, 3#, are respectively connected to electrical heating Pipe heated for controlling temperature, and be incubated by external insulation measure.Make 3 buckets be in two bacterium liquid activation to cultivate, in 1 use state, Use 1 barrel of bacterium solution every day, again cultivate after use.
Activation method: in the bucket of 500L, adds brown sugar 10kg;Carbamide 0.5kg;Potassium dihydrogen phosphate 0.1kg;Water 200L; After heating for dissolving, water temperature drops to about the 30 DEG C microbial inoculum 20L added in embodiment 1, seals and keeps water temperature 25-30 DEG C activation Use after cultivating 2 days.
Sanitation cart is often discharged into a collection of rubbish, starts device and sprays, and rubbish per ton uniformly sprays the bacterium solution that 1L activation culture is good. Running 14 days continuously, before and after interpolation microbial inoculum, waste incineration amount and temperature Change on the same day are as shown in Figure 3.Local when Daily minimum temperature with Maximum temperature difference before and after adding microbial inoculum is little, and after adding microbial inoculum, the burning amount of rubbish is increased dramatically.Add microbial inoculum After 14 days, burn away the refuse average every day 202.73 tons, with untreated before compared with, average waste incineration every day amount improve 21.14%, as shown in Figure 4.Result proves, adds this microbial inoculum and can improve garbage burning factory every in the case of temperature is relatively low in the winter time The waste incineration amount of day.
Mensuration process before and after stench intensity, ammonia concentration, concentration of hydrogen sulfide and TVOC concentration, measurement result in heap ferment workshop Such as table 4 below.Ammonia in the air of heap ferment space, hydrogen sulfide, the concentration of TVOC reduces by 67.94% respectively than comparison, and 47.82%, 50.43%, odor strength reduces by 53.87% than before, and heap ferment environment is substantially improved.
Table 4 adds deodorizing effect before and after microbial inoculum
Testing index Before process After process Reduction rate (%)
Odor strength (OU) 10253 4729 53.87
Ammonia concentration (mg/m3) 7.8 2.5 67.94
Concentration of hydrogen sulfide (mg/m3) 11.5 6.0 47.82
TVOC concentration (mg/m3) 11.5 5.7 50.43
Above-mentioned enforcement example is the preferred embodiment of the present invention, but embodiments of the present invention are not limited by above-described embodiment System, amendment that other any is made without departing from the principle of the invention and essence, modifies, replaces, simplifies, combine, all should be equivalent Substitute mode, within being included in protection scope of the present invention.

Claims (10)

1. the microbial bacterial agent for rubbish heap ferment, it is characterised in that: it includes bacillus amyloliquefaciens, Candida utilis ferment Female bacterium, bacillus acidophilus and Rhodopseudomonas palustris, described microbial bacterial agent is liquid microbe microbial inoculum or solid microbe bacterium Agent, in described liquid microbe microbial inoculum, bacterial content is respectively bacillus amyloliquefaciens 2,000,000,000 ~ 5,000,000,000/milliliter, Candida utilis Bacterium 3,000,000,000 ~ 6,000,000,000/milliliter, bacillus acidophilus's 3,000,000,000 ~ 6,000,000,000/milliliter and Rhodopseudomonas palustris 2,000,000,000 ~ 5,000,000,000/milliliter;Described In solid microbial bacterial content be respectively bacillus amyloliquefaciens 1,000,000,000 ~ 3,000,000,000/gram, Candida utilis 2,000,000,000 ~ 50 Hundred million/gram, bacillus acidophilus 2,000,000,000 ~ 5,000,000,000/gram and Rhodopseudomonas palustris 1,000,000,000 ~ 3,000,000,000/gram.
Microbial bacterial agent for rubbish heap ferment the most according to claim 1, it is characterised in that: described solution starch spore bar Bacterium is the bacillus amyloliquefaciens HFJ-7 of the CGMCC No.10011 that deposit number is.
3. the preparation method of the liquid microbe microbial inoculum for rubbish heap ferment described in claim 1, it is characterised in that under including State step:
(1) bacillus amyloliquefaciens, Candida utilis, bacillus acidophilus and Rhodopseudomonas palustris are cultivated at it respectively Base is carried out cultivate and obtain bacterium solution;
(2) by described bacillus amyloliquefaciens bacterium solution: Candida utilis bacterium solution: bacillus acidophilus's bacterium solution: marsh is red false single The ratio of born of the same parents bacterium bacterium solution 1 ~ 4:1 by volume ~ 5:1 ~ 5:1 ~ 3 is mixed with and obtains described liquid microbe microbial inoculum.
4. the preparation method of the solid microbial for rubbish heap ferment described in claim 1, it is characterised in that specifically wrap Include following step:
(1) by bacillus amyloliquefaciens, Candida utilis, bacillus acidophilus and Rhodopseudomonas palustris respectively in correspondence Culture medium activates, then cultivates respectively in respective culture medium and obtain bacterium solution;
(2) described bacillus amyloliquefaciens bacterium solution uses and is spray-dried, with Pulvis Talci for carrier be prepared as bacteria containing amount 10,000,000,000/gram ~ 20000000000/gram powder, Candida utilis, bacillus acidophilus and Rhodopseudomonas palustris are respectively adopted lyophilization, with jade Rice fiber powder be carrier make bacteria containing amount be 5,000,000,000 respectively/gram ~ 10,000,000,000/gram powder;
(3) bacillus amyloliquefaciens is pressed: Candida utilis: bacillus acidophilus: Rhodopseudomonas palustris=mass ratio 1 ~ 4:1 ~ The ratio of 10:1 ~ 10:1 ~ 5 is mixed and made into described solid microbial.
The preparation method of the solid microbial for rubbish heap ferment the most according to claim 4, it is characterised in that: institute State bacillus amyloliquefaciens incubation time 24 ~ 48 hours at 30 DEG C;Described Candida utilis is incubation time at 30 DEG C 18 ~ 36 hours;Described bacillus acidophilus is incubation time 24 ~ 72 hours at 37 DEG C;Described Rhodopseudomonas palustris is at 30 DEG C 100 ~ 150 hours illumination cultivation time.
The preparation method of the solid microbial for rubbish heap ferment the most according to claim 4, it is characterised in that: institute State the culture medium of bacillus amyloliquefaciens with water as substrate, pH7.0 ~ 7.2, including: peptone 5.0g/L ~ 10.0g/L, Carnis Bovis seu Bubali cream 2.0g/L ~ 3.0g/L, glucose 10.0g/L ~ 20.0g/L, sodium chloride 3.0g/L ~ 5.0g/L;
Candida utilis culture medium with water as substrate, including: yeast extract 5.0g/L ~ 10.0g/L, peptone 10.0g/L ~ 20.0g/L, glucose 10.0 ~ 20.0g/L;
Bacillus acidophilus's culture medium is with water as substrate, and pH 6.2~6.4, including peptone 5.0g/L ~ 10.0g/L, Carnis Bovis seu Bubali cream 5.0g/L ~ 10g/L, K2HPO4 1.0g/L ~ 2.0g/L, Triammonium citrate 1.0g/L ~ 2.0g/L, MgSO4·7H2O 0.6g/L~ 1.0g/L, yeast extract 3.0g/L ~ 8.0g/L, sodium acetate 3.0g/L ~ 8.0g/L, glucose 15.0g/L ~ 30.0g/L, Tween80 1.0ml/L ~ 3.0ml/L, CaCO33.0g ~ 8.0g/L, MnSO4·4 H2O 0.3g/L ~ 0.5g/L, agar 15.0g/L~20.0g/L;
Rhodopseudomonas palustris culture medium is with water as substrate, and pH 7.2-7.4, including sodium acetate 3.0g/L ~ 8.0g/L, peptone 1.5g/L ~ 2.0g/L, sodium chloride 0.5g/L ~ 1.5g/L, MgSO4·7H2O 0.2 g/L ~ 0.5g/L, NH4Cl 1.0g/L~ 3.0g/L, K2HPO40.5g/L ~ 2.0g/L, Na2CO3 5.0g/L~8.0g/L。
7. the application in the rubbish heap ferment before consumer waste incineration of the microbial bacterial agent described in claim 1.
The microbial bacterial agent the most according to claim 7 application in the rubbish heap ferment before consumer waste incineration, its It is characterised by: the specifically used method of described liquid microbe microbial inoculum is: by 10 ~ 100 times of liquid microbe microbial inoculum stock solution water House refuse surface, rubbish spraying liquid microbial inoculum stock solution 0.25 ~ 5L per ton directly it is sprayed onto after dilution;Or by liquid microbe After the dilution of 10 ~ 100 times of microbial inoculum use water, add after nutrient source spreads cultivation 12 ~ 72 hours under the conditions of 20 ~ 35 DEG C and be sprayed onto house refuse Surface, rubbish per ton sprays the bacterium solution 1 ~ 10L after spreading cultivation.
The microbial bacterial agent the most according to claim 7 application in the rubbish heap ferment before consumer waste incineration, its It is characterised by: the specifically used method of described solid microbial is: solid microbial is directly spread to house refuse In heap, mix homogeneously, rubbish per ton adds solid fungicide 0.5 ~ 5kg;Or by dilute for 10-100 times of solid microbial water After releasing, add after nutrient source activates 12 ~ 72 hours under the conditions of 20 ~ 35 DEG C and be spread in house refuse heap, mix homogeneously, rubbish per ton Rubbish adds the microbial inoculum 1 ~ 10kg after activation.
The answering in the rubbish heap ferment before consumer waste incineration of microbial bacterial agent the most according to claim 8 or claim 9 With, it is characterised in that: described nutrient source is brown sugar, carbamide, one or more in phosphate.
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