CN106367148B - A kind of preparation method of efficient biomass fuel - Google Patents
A kind of preparation method of efficient biomass fuel Download PDFInfo
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- CN106367148B CN106367148B CN201610923001.2A CN201610923001A CN106367148B CN 106367148 B CN106367148 B CN 106367148B CN 201610923001 A CN201610923001 A CN 201610923001A CN 106367148 B CN106367148 B CN 106367148B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The invention discloses a kind of preparation methods of efficient biomass fuel, belong to biomass fuel preparation technical field.The present invention decomposes the organic matter in sludge using earthworm, swamp eel is fed with earthworm, organic matter is set to be enriched with, decompose in Finless Eel Monopterus Albus, swamp eel and wormcast are subjected to high temperature and humidity fermentation process again, obtain organic matter, then after gangue and chitin being carried out high-temperature anaerobic fermentation, then compost treatment is carried out together with lignite, and mix and dry with above-mentioned organic matter.Fermentation is absorbed by the micro-organisms utilization by microbial action dissolution with the slightly solubility mineral during compost in gangue and lignite, it reduces mineral combustion and causes dust stratification, slagging and agglomeration in the process, and organic matter can be made to be further divided, biomass fuel calorific value prepared by the present invention is high, burning sufficiently, will not generate slagging phenomenon, avoid secondary pollution in preparation process, preparation cost of the present invention is low simultaneously, produces huge Social benefit and economic benefit.
Description
Technical field
The invention discloses a kind of preparation methods of efficient biomass fuel, belong to biomass fuel preparation technical field.
Background technique
Biomass fuel refers to using biological material as fuel, generally mainly agriculture and forestry organic waste material (such as stalk, sawdust,
Bagasse, rice chaff etc.), the main distinction is in fossil fuel.In current national policy and environmental protection standard, direct biomass burning
Belong to high pollution fuel, is only used in the brick kitchen range in rural area, do not allow to use in city.The application of biomass fuel, it is practical
Mainly biomass molding fuel is using agricultural waste as raw material, by the techniques such as crushing, mixing, extruding, drying, system
At a kind of Novel clean-fuel that various moldings (such as blocky, graininess), can directly burn.
Up to the present, in terms of every country or regional development are concentrated mainly on three as fuel using biomass, one
It is that biological material is degraded to liquid fuel, second is that biological material is gasificated into fuel gas, three are machined to convenient for fortune
Defeated and storage certain shapes fuel simultaneously improves its efficiency of combustion.First two method mainly passes through biodegrade, chemical reaction
Mode can generate hydrogen, biogas, ethyl alcohol etc., and production cost is relatively high, therefore is not widely used in production and daily life.
And the third mode need to use technology for compressing and forming, on the one hand solve environmental protection problem, on the other hand can produce alternative combustion again
Material, increasingly attracts widespread attention in recent years.
The biomass solid formed fuel produced at present, calorific value is not high, is easy the insufficient, knot that burns in combustion
Slag, lime-ash is more, and burn generated flue gas heavy corrosion combustion apparatus, and fuel availability and fuel efficiency be not high, it is difficult to reach
The requirement of urban environmental protection low-carbon.
Summary of the invention
Present invention mainly solves the technical issues of: it is not high for the current generally existing calorific value of biomass fuel, burning
The problem of being easy insufficient burning, slagging in the process, provides a kind of preparation method of efficient biomass fuel, and the present invention utilizes earthworm
Earthworm decomposes the organic matter in sludge, feeds swamp eel with earthworm, and organic matter is made to be enriched with, decompose in Finless Eel Monopterus Albus, then will
Swamp eel and wormcast carry out high temperature and humidity fermentation process, obtain organic matter, and gangue and chitin are then carried out high temperature anaerobic
After fermentation, then compost treatment is carried out together with lignite, and mix and dry with above-mentioned organic matter.Fermentation and bastard coal during compost
Slightly solubility mineral in stone and lignite are absorbed by the micro-organisms utilization by microbial action dissolution, reduce mineral combustion process
In cause dust stratification, slagging and agglomeration, and organic matter can be made to be further divided, biomass fuel heat prepared by the present invention
Value is high, and burning sufficiently, will not generate slagging phenomenon, secondary pollution be avoided in preparation process, while preparation cost of the present invention is low,
Produce huge Social benefit and economic benefit.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
(1) sludge weighed in the municipal sewage plant 1~2kg secondary sedimentation tank is added in container, and control sludge is thick
Degree is 5~8cm, adds 60~80 weight and is the earthworm of 2.0~3.0g, then container is placed in constant incubator, sets
Incubator temperature be 25~30 DEG C, cultivation is carried out 20~25 days to earthworm, during which every 2~3 days into container spray once go from
Sub- water, controlling each fountain height is 600~700mL, and cultivation terminates, and collects material and earthworm that depth is 2~3cm；
(2) it is filled the water into rearing pool, the depth for controlling water is 10~20cm, and temperature is 23~26 DEG C, takes 4~5 weight
It is added in rearing pool for the swamp eel of 600~700g, and nursing is carried out 3~4 days to swamp eel with above-mentioned earthworm, control daily nursing
Amount is 20~25, and nursing terminates, and swamp eel is taken out, and after being killed dissection, after the material of above-mentioned collection and dissection
Swamp eel is added in container, and container is placed in fermenting case, carries out fermentation process 10~15 days to the material in container, setting
Fermenting case temperature is 40~50 DEG C, and humidity is 75~80%, and wait ferment, processing terminate, collects fermentation material and is placed in centrifuge,
It is centrifuged 20~30min under 1200~1800r/min, discards precipitating, collects liquid, it is spare；
(3) it weighs 1~2kg gangue and 800~900g chitin is added in pulverizer and is crushed, and excessively 80~
100 meshes collect sieving, are placed in fermentor, take 700~800mL methane liquid to be added in fermentor, be stirred 5
After~10min, anaerobic fermentation 6~7 days at 50~55 DEG C, fermentation ends collect fermentation material；
(4) it takes 4~5kg lignite to be added to 1~2h of crushing in pulverizer, collects crushed material, and mix 3 with above-mentioned fermentation material
After~5min, then compost treatment is carried out, methane detector is placed at the top of heap body, detect methane content, is 0.8 to methane content
After~1.2%, stop compost, the material after collecting compost, the material after collecting compost, and the liquid spare with step (2) mixes
Afterwards, being placed in ventilation naturally dry to moisture content is 8~10%, and efficient biomass fuel can be obtained.
Application method of the invention is: efficient biomass fuel produced by the present invention is thrown in kiln and is burnt,
The ventilation speed for controlling kiln is 1~3m/s, and through detecting, compared with the lignite for launching equal quality, lignite burning is released
Heat is 8.38~16.76MJ/kg, and the heat that when fuel combustion produced by the present invention is released is 24.5~31.2MJ/kg, coal
The addition of spoil makes fuel prepared by the present invention in the case where calorific value is constant, and burning time extends 2~3h compared with lignite.
The present invention is compared with other methods, and advantageous effects are:
(1) biomass fuel calorific value prepared by the present invention is high, and burning sufficiently, will not generate slagging phenomenon, in preparation process
Secondary pollution is avoided, while preparation cost of the present invention is low, produces huge Social benefit and economic benefit；
(2) efficient biomass fuel process of the invention is simple, and municipal sewage plant's secondary sedimentation tank is utilized
Interior sludge realizes making full use of for resource.
Specific embodiment
The sludge weighed in the municipal sewage plant 1~2kg secondary sedimentation tank first is added in container, and control sludge is thick
Degree is 5~8cm, adds 60~80 weight and is the earthworm of 2.0~3.0g, then container is placed in constant incubator, sets
Incubator temperature be 25~30 DEG C, cultivation is carried out 20~25 days to earthworm, during which every 2~3 days into container spray once go from
Sub- water, controlling each fountain height is 600~700mL, and cultivation terminates, and collects material and earthworm that depth is 2~3cm；Then to
It is filled the water in rearing pool, the depth for controlling water is 10~20cm, and temperature is 23~26 DEG C, and taking 4~5 weight is 600~700g's
Swamp eel is added in rearing pool, and carries out nursing 3~4 days to swamp eel with above-mentioned earthworm, and controlling daily feeding volume is 20~25,
Nursing terminates, and swamp eel is taken out, and after being killed dissection, the swamp eel after the material of above-mentioned collection and dissection is added to container
In, and container is placed in fermenting case, the material in container is carried out fermentation process 10~15 days, sets fermenting case temperature as 40
~50 DEG C, humidity is 75~80%, and wait ferment, processing terminate, collects fermentation material and is placed in centrifuge, in 1200~1800r/
It is centrifuged 20~30min under min, discards precipitating, collects liquid, it is spare；1~2kg gangue and 800~900g chitin are weighed again
It is added in pulverizer and is crushed, and cross 80~100 meshes, collect sieving, be placed in fermentor, take 700~800mL
Methane liquid is added in fermentor, after being stirred 5~10min, anaerobic fermentation 6~7 days at 50~55 DEG C, and fermentation ends,
Collect fermentation material；It takes 4~5kg lignite to be added to 1~2h of crushing in pulverizer, collects crushed material, and mix 3 with above-mentioned fermentation material
After~5min, then compost treatment is carried out, methane detector is placed at the top of heap body, detect methane content, is 0.8 to methane content
After~1.2%, stop compost, the material after collecting compost, the material after collecting compost, and after being mixed with spare liquid, it is placed in
Ventilation naturally dry to moisture content is 8~10%, can be obtained to obtain efficient biomass fuel.
Example 1
The sludge weighed in the municipal sewage plant 1kg secondary sedimentation tank first is added in container, controls sludge thickness
It for 5cm, adds 60 weight and is the earthworm of 2.0g, then container is placed in constant incubator, set incubator temperature as 25
DEG C, cultivation 20 days is carried out to earthworm, a deionized water is sprayed into container within during which every 2 days, controlling each fountain height is
600mL, cultivation terminate, and collect material and earthworm that depth is 2cm or more；Then it is filled the water into rearing pool, controls the depth of water
For 10cm, temperature is 23 DEG C, takes the swamp eel that 4 weight are 600g to be added in rearing pool, and fed with above-mentioned earthworm to swamp eel
It supports 3 days, controlling daily feeding volume is 20, and nursing terminates, and swamp eel is taken out, and after being killed dissection, by above-mentioned collection
Material and dissection after swamp eel be added in container, and container is placed in fermenting case, is fermented to the material in container
Processing 10 days, sets fermenting case temperature as 40 DEG C, and humidity 75%, wait ferment, processing terminate, collects fermentation material and is placed in centrifuge
In, it is centrifuged 20min at 1200r/min, discards precipitating, collects liquid, it is spare；1kg gangue and 800g chitin are weighed again
It is added in pulverizer and is crushed, and cross 80 meshes, collect sieving, be placed in fermentor, 700mL methane liquid is taken to be added
Into fermentor, after being stirred 5min, anaerobic fermentation 6 days at 50 DEG C, fermentation ends collect fermentation material；4kg lignite is taken to add
Enter and crush 1h into pulverizer, collect crushed material, and with after above-mentioned fermentation material mixing 3min, then compost treatment is carried out, by methane
Detector is placed at the top of heap body, detects methane content, after methane content is 0.8%, stops compost, the material after collecting compost,
Material after collecting compost, and after mix with spare liquid, being placed in ventilation naturally dry to moisture content is 8%, be can be obtained
Obtain efficient biomass fuel.
Efficient biomass fuel produced by the present invention is thrown in kiln and is burnt, the ventilation speed for controlling kiln is
1m/s, through detecting, compared with the lignite for launching equal quality, the heat that lignite is released when burning is 8.38MJ/kg, the present invention
The heat released when fuel combustion obtained is 24.5MJ/kg, and the addition of gangue makes fuel prepared by the present invention in calorific value
In the case where constant, burning time extends 2h compared with lignite.
Example 2
The sludge weighed in the municipal sewage plant 2kg secondary sedimentation tank first is added in container, controls sludge thickness
It for 8cm, adds 80 weight and is the earthworm of 3.0g, then container is placed in constant incubator, set incubator temperature as 30
DEG C, cultivation 25 days is carried out to earthworm, a deionized water is sprayed into container within during which every 3 days, controlling each fountain height is
700mL, cultivation terminate, and collect material and earthworm that depth is 3cm or more；Then it is filled the water into rearing pool, controls the depth of water
For 20cm, temperature is 26 DEG C, takes the swamp eel that 5 weight are 700g to be added in rearing pool, and fed with above-mentioned earthworm to swamp eel
It supports 4 days, controlling daily feeding volume is 25, and nursing terminates, and swamp eel is taken out, and after being killed dissection, by above-mentioned collection
Material and dissection after swamp eel be added in container, and container is placed in fermenting case, is fermented to the material in container
Processing 15 days, sets fermenting case temperature as 50 DEG C, and humidity 80%, wait ferment, processing terminate, collects fermentation material and is placed in centrifuge
In, it is centrifuged 30min at 1800r/min, discards precipitating, collects liquid, it is spare；2kg gangue and 900g chitin are weighed again
It is added in pulverizer and is crushed, and sieve with 100 mesh sieve, collect sieving, be placed in fermentor, 800mL methane liquid is taken to add
Enter into fermentor, after being stirred 10min, anaerobic fermentation 7 days at 55 DEG C, fermentation ends collect fermentation material；Take 5kg brown
Coal, which is added in pulverizer, crushes 2h, collects crushed material, and with after above-mentioned fermentation material mixing 5min, then carries out compost treatment, general
Methane detector is placed at the top of heap body, detects methane content, after methane content is 1.0%, stops compost, after collecting compost
Material, the material after collecting compost, and after mix with spare liquid, being placed in ventilation naturally dry to moisture content is 9%, i.e.,
Efficient biomass fuel can be obtained.
Efficient biomass fuel produced by the present invention is thrown in kiln and is burnt, the ventilation speed for controlling kiln is
2m/s, through detecting, compared with the lignite for launching equal quality, the heat that lignite is released when burning is 12.34MJ/kg, this hair
The calorie value released when bright fuel combustion obtained is 27.6MJ/kg, and the addition of gangue makes fuel prepared by the present invention exist
In the case that calorific value is constant, burning time extends 3h compared with lignite.
Example 3
The sludge weighed in the municipal sewage plant 1kg secondary sedimentation tank first is added in container, controls sludge thickness
It for 6cm, adds 70 weight and is the earthworm of 2.5g, then container is placed in constant incubator, set incubator temperature as 28
DEG C, cultivation 23 days is carried out to earthworm, a deionized water is sprayed into container within during which every 2 days, controlling each fountain height is
650mL, cultivation terminate, and collect material and earthworm that depth is 3cm or more；Then it is filled the water into rearing pool, controls the depth of water
For 15cm, temperature is 24 DEG C, takes the swamp eel that 4 weight are 650g to be added in rearing pool, and fed with above-mentioned earthworm to swamp eel
It supports 4 days, controlling daily feeding volume is 23, and nursing terminates, and swamp eel is taken out, and after being killed dissection, by above-mentioned collection
Material and dissection after swamp eel be added in container, and container is placed in fermenting case, is fermented to the material in container
Processing 13 days, sets fermenting case temperature as 45 DEG C, and humidity 78%, wait ferment, processing terminate, collects fermentation material and is placed in centrifuge
In, it is centrifuged 25min at 1500r/min, discards precipitating, collects liquid, it is spare；2kg gangue and 850g chitin are weighed again
It is added in pulverizer and is crushed, and cross 90 meshes, collect sieving, be placed in fermentor, 750mL methane liquid is taken to be added
Into fermentor, after being stirred 8min, anaerobic fermentation 7 days at 53 DEG C, fermentation ends collect fermentation material；5kg lignite is taken to add
Enter and crush 2h into pulverizer, collect crushed material, and with after above-mentioned fermentation material mixing 4min, then compost treatment is carried out, by methane
Detector is placed at the top of heap body, detects methane content, after methane content is 1.2%, stops compost, the material after collecting compost,
Material after collecting compost, and after mix with spare liquid, being placed in ventilation naturally dry to moisture content is 10%, can be obtained
To obtaining efficient biomass fuel.
Efficient biomass fuel produced by the present invention is thrown in kiln and is burnt, the ventilation speed for controlling kiln is
3m/s, through detecting, compared with the lignite for launching equal quality, the heat that lignite is released when burning is 16.76MJ/kg, this hair
The heat released when bright fuel combustion obtained is 31.2MJ/kg, and the addition of gangue makes fuel prepared by the present invention in heat
Be worth it is constant in the case where, burning time extends 3h compared with lignite.
Claims (1)
1. a kind of preparation method of efficient biomass fuel, it is characterised in that specific preparation step are as follows:
(1) sludge weighed in the municipal sewage plant 1~2kg secondary sedimentation tank is added in container, controls sludge with a thickness of 5
~8cm adds 60~80 weight and is the earthworm of 2.0~3.0g, then container is placed in constant incubator, sets incubator
Temperature is 25~30 DEG C, carries out cultivation 20~25 days to earthworm, a deionized water is sprayed within during which every 2~3 days into container, is controlled
Making each fountain height is 600~700mL, and cultivation terminates, and collects material and earthworm that depth is 2~3cm；
(2) it is filled the water into rearing pool, the depth for controlling water is 10~20cm, and temperature is 23~26 DEG C, and taking 4~5 weight is 600
The swamp eel of~700g is added in rearing pool, and carries out nursing 3~4 days to swamp eel with above-mentioned earthworm, and controlling daily feeding volume is
20~25, nursing terminates, and swamp eel is taken out, and after being killed dissection, by the swamp eel after the material of above-mentioned collection and dissection
It is added in container, and container is placed in fermenting case, the material in container is carried out fermentation process 10~15 days, setting fermentation
Box temperature degree is 40~50 DEG C, and humidity is 75~80%, and wait ferment, processing terminate, collects fermentation material and is placed in centrifuge, 1200
It is centrifuged 20~30min under~1800r/min, discards precipitating, collects liquid, it is spare；
(3) it weighs 1~2kg gangue and 800~900g chitin is added in pulverizer and is crushed, and cross 80~100 mesh
Sieve collects sieving, is placed in fermentor, 700~800mL methane liquid is taken to be added in fermentor, it is stirred 5~
After 10min, anaerobic fermentation 6~7 days at 50~55 DEG C, fermentation ends collect fermentation material；
(4) it takes 4~5kg lignite to be added in pulverizer 1~2h of crushing, collects crushed material, and mix with above-mentioned fermentation material 3~
After 5min, then carry out compost treatment, methane detector be placed at the top of heap body, detect methane content, to methane content be 0.8~
After 1.2%, stop compost, the material after collecting compost, and after the liquid spare with step (2) mixes, it is placed in ventilation and dries in the air naturally
Doing to moisture content is 8~10%, and efficient biomass fuel can be obtained.
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| US7906304B2 (en) * | 2005-04-05 | 2011-03-15 | Geosynfuels, Llc | Method and bioreactor for producing synfuel from carbonaceous material |
| DE102007056170A1 (en) * | 2006-12-28 | 2008-11-06 | Dominik Peus | Substance or fuel for producing energy from biomass, is manufactured from biomass, which has higher carbon portion in comparison to raw material concerning percentaged mass portion of elements |
| CA2702923C (en) * | 2007-10-19 | 2015-08-25 | Georgia-Pacific Chemicals Llc | Azetidinium-functional polysaccharides and uses thereof |
| CN102260568A (en) * | 2010-05-25 | 2011-11-30 | 上海彤微环保科技有限公司 | Combined microbial desulfurization method and process of coal |
| CN105112118A (en) * | 2015-09-01 | 2015-12-02 | 滁州科菁生物科技有限公司 | Raw material pretreatment technology used for biomass fuel |
| CN105400557A (en) * | 2015-12-01 | 2016-03-16 | 雷春生 | Method for preparing cow dung/coal gangue compound biomass fuels |
| CN105969466A (en) * | 2016-02-18 | 2016-09-28 | 安徽东方金河精密机械制造有限公司 | Compound high-temperature environment-friendly no-abnormal odor biomass briquette fuel and production method thereof |
| CN105838466A (en) * | 2016-05-25 | 2016-08-10 | 太原理工大学 | Method for microbial ash removal of coal |
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