CN101987984A - Method for making compound solid waste derived fuel - Google Patents
Method for making compound solid waste derived fuel Download PDFInfo
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- CN101987984A CN101987984A CN201010264708XA CN201010264708A CN101987984A CN 101987984 A CN101987984 A CN 101987984A CN 201010264708X A CN201010264708X A CN 201010264708XA CN 201010264708 A CN201010264708 A CN 201010264708A CN 101987984 A CN101987984 A CN 101987984A
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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
Abstract
The invention discloses a method for making compound solid waste derived fuel, which comprises the following steps of: 1. dewatering and drying treatment of sludge: drying the sludge by adopting a sludge drying machine, adding quick lime into the sludge according to the weight ratio of the quick lime to the sludge of 1/2.5 to 5, and obtaining dried sludge particles; 2. drying and crushing of straw type agricultural waste: crushing the dried straw type agricultural waste into crushed sections by a crushing machine after drying ; 3. treatment of domestic garbage: sorting combustible materials retained on a sieve by garbage sorting equipment, and then, crushing the combustible materials retained on the sieve into combustible particles by the crushing machine; and 4. forming treatment: uniformly mixing the dry sludge particles obtained in the first step, the crushed sections of the straw type agricultural waste obtained in the second step and the combustible particles obtained in the third step according to a weight ratio of 1 to 3/5 to 8/5 to 8, and introducing the mixture into a forming machine to be extruded and formed. The invention solves the problems of sludge and garbage polluted environment and ground occupation, and provides the fuel for cement plants, power plants and garbage treatment plants.
Description
Technical field
The present invention relates to a kind of manufacture method of derivatived fuel, particularly a kind of method of making composite solid waste derivatived fuel.
Background technology
China is populous, be in the industry high speed developmental stage, and be again large agricultural country, therefore, urban and rural domestic refuse output is big, workers and peasants' forestry waste is also quite a lot of, at present, the annual production of National urban domestic refuse has surpassed 100,000,000 tons, and the annual production of national industrial solid rubbish also surpasses 700,000,000 tons, and in the abandoned biomass only the agricultural crop straw annual production be about 5～600,000,000 tons, if not to its processing, then the pollution of rubbish and waste will cause very big harm to human environment, and will seriously restrict the raising of The development in society and economy and people's existence and quality of life, also be the huge waste of the resource and the energy in addition.Growing fat though burn the grass on waste land in the wild country is a kind of utilization, serious environment pollution.The biomass combined compression moulding briquette fuel of country life rubbish and depleted had both made biological renewable energy be fully used, and can solve rural refuse pollution problem again simultaneously, improved the country life quality.At present, China's emission of carbon-dioxide total amount has exceeded the U.S. and has ranked first in the world, CO2 emissions 70%, sulphur dioxide emission 90%, nitrogen oxide emission 66.7% all come spontaneous combustion coal.Biomass energy is from green plants, and the quantity discharged the when carbonic acid gas that consumes when carrying out photosynthesis and its burning is suitable, so be called as the zero release energy.Substitute coal with biomass fuel, can reduce Carbon emission, reduce hydrocarbons, oxynitride etc., reduce the generation of acid rain phenomenon atmospheric pollution.Will be for improving energy structure, improve efficiency of energy utilization, alleviating environmental stress and make huge contribution.
The municipal sewage plant is the important foundation facility in city, also is at present both at home and abroad in order to one of important measures of " prevent and remedy pollution, protection environment ".According to the preliminary statistics, by 2008, China's town sewage processing rate was approximately 30%, and about 5,000 ten thousand tons of day output is produced about 9,000,000 tons of raw sludge per year, estimated that sludge yield will reach 2,700 ten thousand tons/year in the five-year.How the to dispose of sewage mud of treatment plant has become to influence the important factor of municipal sewage treatment.The main component of excess sludge is moisture content (water ratio about 70%～85%) in the municipal sewage treatment process, and other microorganisms and residue (based on organism, about 60%～70%) thereof.Sludge components is relevant with sewage quality and treatment process, and sanitary sewage mud contains nutritive substance and organic matters such as nitrogen, phosphorus, makes it possess the primary condition of making fertilizer and acting as a fuel.City combined sewage (containing sanitary sewage and trade effluent) mud generally also contains heavy metal ion or toxic and harmful substance, as adsorbability organic halogen (AOX), anion synthetic detergent (LAS), polycyclic aromatic hydrocarbons (PAH), polychlorobiphenyl (PCB) etc.At present, improve treatment rate of domestic sewage and become the various places common recognition, however the residual high density pollution thing of sewage disposal be retained in the mud, arbitrarily abandoned, landfill, cause serious secondary pollution.This is Chinese water utilities system long-standing " the light mud of a heavy water " problem.The sewage sludge harmlessness processing rate of China is very low, and what the sewage sludge harmlessness disposing facility was arranged in the sewage work is less than 1/4, even in Beijing and Shanghai, the sludge treatment rate also only is 20% to 25%.Along with treatment rate of domestic sewage improves constantly, the pollution hidden trouble of mud highlights day by day.Domestic to sludge of sewage treatment plant take mostly to abandon, simple process mode such as landfill.This nonstandard disposal options not only takies valuable land resources, also can produce secondary pollution, influences surrounding environment, river course and underground water source.Domestic certain sewage work produces about 1500 tons in mud every day, and annual the stacking taken up an area of 250 mu, and year processing costs is up to 100,000,000 yuan.Multiple sludge disposal modes such as sanitary landfill, biological compost, fermentation methane generating again, anhydration and incineration are arranged at present in the world.The pollutant components such as heavy metal that contain in the mud enter human body by the approach of fertilizer-gourd, fruit and vegetable-food, and ground such as Japan, Europe generally all adopt the high temperature incineration mode.Traditional dewatered sludge landfill, compost, method such as throw aside are handled mud and can be brought following problem: (1) moisture percentage in sewage sludge height can bring the trucking costs height, takies landfill space in a large number, influences serial problems such as garbage truck operation; (2) simple and easy landfill, compost easily make mud be subjected to rain drop erosion, and cross flow is to surface water body or permeate the ground and cause pollution; (3) mud of air storage easily produces stench, grows mosquitos and flies, has a strong impact on the surrounding enviroment health.Along with building up successively of sewage work in the planning, sludge quantity will get more and more, and the treatment and disposal of mud will become the bottleneck problem that sewage treatment industry develops in a healthy way.Sewage Plant sewage disposal, sludge treatment and sludge disposal are three integral parts that independence is closely connected again mutually, are rounded systems.Realize mud " minimizing ", " innoxious ", " resource utilization " processing, could guarantee that the waste water control systems engineering really reaches the purpose of protecting the environment to benefit the people.Present domestic sludge treatment technology generally can be divided into two big classes: the one, and the disposal type technology adopts method processing such as landfill, and mud is no longer utilized as refuse; The 2nd, resource technology makes full use of the beneficiating ingredient in the mud, realizes turning waste into wealth.The latter meets the STRATEGIES OF SUSTAINABLE DEVELOPMENT policy, obtains extensive concern in recent years.(1) sludge composting, composting are to utilize action of microorganisms, with unsettled organic matter degradation and change into stable organic matter, and the volatility organic content are reduced, and reduce foul smell; Physical behavior is obviously improved, and is convenient to store, transports and uses; During High-Temperature Composting can also be killed pathogenic bacteria, worm's ovum and the grass-seed in the windrow, and composting production is more suitable for as soil improvement agent and plant nutrition source.The nature composting process mainly leans on natural ventilation or surface diffusion to the windrow oxygen supply, because oxygen supply is insufficient, and can not be as the means of extensive processing, production high quality composting production.The major technique measure more complicated of sludge composting process mainly comprises: adjust the water ratio of windrow and suitable C/N ratio; Select stopping composition to change the physical behavior of mud; Set up suitable ventilation system; Temperature that control is suitable and pH value etc.(2) mud producing methane, anaerobic sludge digestion are sludge stabilizing technology.Anaerobic digestion is that it has following advantage than the reason that other stabilization process obtain widespread uses: can generate energy, reduce sludge volume, can eliminate the part stench, kill part pathogeny microorganism.But less when treatment plant's scale, amount of sludge is few, and when comprehensive utilization value was little, though can adopt sludge aerobic digestion, working cost was big, energy consumption is many.(3) sludge incineration technology, along with the continuous increase of sludge quantity and the variation of sludge components, existing sludge treatment technology can not meet the demands gradually, the mud of the water ratio 80% that for example burns, the auxiliary fuel of mud per ton need consume 304～565L heavy oil, and energy consumption is big; The mud landfill must be dewatered to water ratio in advance at least less than 70%, and reaches so present a large amount of medicament of sludge dewatering Technology Need consumption of water ratio, has both increased cost, has also increased sludge quantity; The soil reduction is the treatment process of the present mud amount of dissolving maximum, but contains heavy metal and poisonous and hazardous organism in a lot of trade effluent, can not make fertilizer or soil improvement agent.Therefore seeking a kind of all mud of suitable processing, can utilize effective constituent in the mud again, realize the sludge treatment technology of minimizing, innoxious, stabilization and resource utilization, is the direction of current sludge treatment technical study exploitation.Sludge fuelization is considered to be expected to replace the most promising method of existing sludge treatment technology.
Summary of the invention
The present invention provides a kind of method of making composite solid waste derivatived fuel with the combustiblematerials in mud, straw-stalk type cultural waste, the domestic refuse for solving the technical problem that exists in the known technology.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: a kind of method of making composite solid waste derivatived fuel, and this method may further comprise the steps:
One) dehydration and drying of mud is handled, and adopts the sludge drier dewatered sludge, adds unslaked lime in the mud, and the weight ratio of unslaked lime and mud is: 1:2.5～5 obtain the sludge-drying particle;
Two) drying of straw-stalk type cultural waste, pulverizing after the straw-stalk type cultural waste drying, are ground into broken section with pulverizer;
Three) domestic rubbish disposal is adopted refuse classification equipment to sub-elect sieve and is gone up combustiblematerials, is ground into the combustiblematerials particle with pulverizer again;
Four) forming processes, with step 1) in the sludge-drying particle, the step 2 that obtain) in broken section of the straw-stalk type cultural waste and the step 3 that obtain) in the combustiblematerials particle that obtains mix according to weight ratio: 1～3:5～8:5～8, enter the shaper extrusion molding, obtain the solid-state castoff derivatived fuel.
The present invention can also adopt following technical scheme:
Described step 1) the sludge-drying particle grain size that obtains in is 3～5mm, described step 2) in the length of broken section of the straw-stalk type cultural waste that obtains be 3～5mm, described step 3) in the combustiblematerials particle grain size that obtains be 4～6mm.
Advantage and positively effect that the present invention has are: 1) with mud, straw-stalk type cultural waste, the domestic rubbish disposal trinity, utilize the facility of existing cement mill, power station, destructor plant, solved the single burning of mud, the single burning addressing of rubbish difficulty, problem of environment pollution caused; 2) in RDF, add additive such as calcium oxide and stalk, rubbish combustiblematerials, improve calorific value, can reduce HCl, SO2 discharging during burning, reduce the back-end ductwork corrosion, reduce the Dioxins discharging; Characteristics such as 3) solid fuel that utilizes this method to make has flameholding than direct combustion refuse, and secondary pollution is low; 4) make solid fuel in each dispersion treatment field, subtract the appearance deodorizing, be convenient to transportation and storage; In sum; the invention solves mud, rubbish contaminate environment for a long time; take a large amount of land resourcess; influence the difficult problem of economic construction sustainable development; for cement mill, power station and destructor plant etc. provide combustible fuel, save a large amount of coal resources and reduced cost, reached environment protection, the eubiosis, aim of saving; accomplish the resource utilization of rubbish, innoxious and minimizing, have broad prospects and economic and social benefits.
Embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Embodiment 1:
A kind of method of making composite solid waste derivatived fuel may further comprise the steps:
One) dehydration and drying of mud is handled
Adopt the sludge drier dewatered sludge, add unslaked lime in the mud, the weight ratio of unslaked lime and mud is: 1:2.5 obtains the sludge-drying particle of particle diameter 3～5mm, the mud rapid dryer that the preferred Tinajin Baili Yangguang Environment Protection Equipment Co., Ltd. of sludge drier produces.
The mechanism of sludge drying:
1) inorganicization of organic sludge
Adopt high reactivity unslaked lime to meet water generation intensive combination reaction, and produce high heat, in such environment, any organism all can't completely keep, and the chemism by decomposition reaction, replacement(metathesis)reaction, replacement(metathesis)reaction is converted into inorganics.Therefore this technology can be eliminated various pathogeny bacterium and the virus that exists in the mud effectively.
2) a large amount of dehydration of mud
Above-mentioned drying method for treating is compared with burning, fluidized bed type heat drying etc., and the heat of combination of no flame formation has been avoided Greenhouse effect effectively, has reduced emission of carbon-dioxide significantly.Mud is warming up to rapidly more than 100 ℃, makes a large amount of evaporations of moisture (comprising cellular water) in the mud.
3) objectionable impurities such as heavy metal is solidified
Alkalescence heat-generating agent+cellular water → highly basic+water vapour, highly basic+heavy metal ion → metal oxide, highly basic+calcium magnesium aluminium ion → oxide colloid, basic oxide colloid and clay are built bridge and absorption, thereby make heavy metal ion be in the activity of having been controlled heavy metal ion by blunt solid state effectively.
4) sludge stabilization process
Above-mentioned sludge drying processing method, processed mud is in highly basic and the pyritous environment all the time, moisture content evaporates in a large number in the mud, is stable inorganics with very unsettled organism decomposition and inversion, thereby has realized the minimizing and the stabilization of mud effectively.
5) deodorization in the treating processes
In sewage treatment process, a large amount of humus accumulations are in mud, and under the effect of bacterium, fermentation and generation have malodorous obnoxious flavour, sludge treatment and transportation all are accompanied by make us insufferable stench.This treatment process utilizes highly basic, pyritous environment, destroys and decomposed the organism that produces foul gas in the mud mud stink after the processing is descended significantly.
Two) drying of straw-stalk type cultural waste, pulverizing
After the straw-stalk type cultural waste drying, be ground into broken section of 3～5mm with pulverizer.The straw-stalk type cultural waste can utilize wide space nature mummification after the results of farmland, pollute little, with low cost, simple and convenient.During specific implementation, the present invention does not do qualification to the mode of straw-stalk type cultural waste drying, can carry out drying with alternate manners such as drying plants yet.
Three) domestic rubbish disposal
The domestic refuse pre-treatment of marching into the arena sub-elects sieve and goes up combustiblematerials, is ground into the combustiblematerials particle with pulverizer.Particle diameter is preferably 4～6mm.Size separation equipment can adopt trommel screen, and during specific implementation, the present invention does not do qualification to this, also can adopt miscellaneous equipments such as integrative fanning machine to sieve.
Four) forming processes
With step 1) in the sludge-drying particle, the step 2 that obtain) in broken section of the straw-stalk type cultural waste and the step 3 that obtain) in the combustiblematerials particle that obtains according to weight ratio: 1:8:5 mixes, and enters the shaper extrusion molding.
After testing: the relevant data of the solid fuel that the employing aforesaid method is made is: ash content: 12%; Volatile matter: 60%; Solid carbon: 13%; Thermal value: 15000kJ/kg; Burning-point: 220 ℃.
Embodiment 2:
A kind of method of making composite solid waste derivatived fuel may further comprise the steps:
One) dehydration and drying of mud is handled
Adopt the sludge drier dewatered sludge, add unslaked lime in the mud, the weight ratio of unslaked lime and mud is: 1:4 obtains the sludge-drying particle of particle diameter 3～5mm, the mud rapid dryer that the preferred Tinajin Baili Yangguang Environment Protection Equipment Co., Ltd. of sludge drier produces.
The mechanism of sludge drying is identical with embodiment 1.
Two) drying of straw-stalk type cultural waste, pulverizing, identical with embodiment 1.
Three) domestic rubbish disposal, identical with embodiment 1.
Four) forming processes
With step 1) in the sludge-drying particle, the step 2 that obtain) in broken section of the straw-stalk type cultural waste and the step 3 that obtain) in the combustiblematerials particle that obtains according to weight ratio: 3:7:7 mixes, and enters the shaper extrusion molding.
After testing: the relevant data of the solid fuel that the employing aforesaid method is made is: ash content: 19%; Volatile matter: 55%; Solid carbon: 10%; Thermal value: 17500kJ/kg; Burning-point: 230 ℃.
Embodiment 3:
A kind of method of making composite solid waste derivatived fuel may further comprise the steps:
One) dehydration and drying of mud is handled
Adopt the sludge drier dewatered sludge, add unslaked lime in the mud, the weight ratio of unslaked lime and mud is: 1:5 obtains the sludge-drying particle of particle diameter 3～5mm, the mud rapid dryer that the preferred Tinajin Baili Yangguang Environment Protection Equipment Co., Ltd. of sludge drier produces.
The mechanism of sludge drying is identical with embodiment 1.
Two) drying of straw-stalk type cultural waste, pulverizing, identical with embodiment 1.
Three) domestic rubbish disposal, identical with embodiment 1.
Four) forming processes
With step 1) in the sludge-drying particle, the step 2 that obtain) in broken section of the straw-stalk type cultural waste and the step 3 that obtain) in the combustiblematerials particle that obtains according to weight ratio: 2:5:8 mixes, and enters the shaper extrusion molding.
After testing: the relevant data of the solid fuel that the employing aforesaid method is made is: ash content: 25%; Volatile matter: 75%; Solid carbon: 7%; Thermal value: 12500kJ/kg; Burning-point: 210 ℃.
The foregoing description since in making the process of fuel moisture reduced, and add addition of C aO in process of production, can prevent that stench from producing and be convenient to store.Be fit to the cement mill ginseng and burn, ashes can be used as the raw material in cement mill again, reach resource utilization and purpose innoxious, energy-saving and emission-reduction.
Claims (2)
1. a method of making composite solid waste derivatived fuel is characterized in that, this method may further comprise the steps:
One) dehydration and drying of mud is handled, and adopts the sludge drier dewatered sludge, adds unslaked lime in the mud, and the weight ratio of unslaked lime and mud is: 1:2.5～5 obtain the sludge-drying particle;
Two) drying of straw-stalk type cultural waste, pulverizing after the straw-stalk type cultural waste drying, are ground into broken section with pulverizer;
Three) domestic rubbish disposal is adopted refuse classification equipment to sub-elect sieve and is gone up combustiblematerials, is ground into the combustiblematerials particle with pulverizer again;
Four) forming processes, with step 1) in the sludge-drying particle, the step 2 that obtain) in broken section of the straw-stalk type cultural waste and the step 3 that obtain) in the combustiblematerials particle that obtains mix according to weight ratio: 1～3:5～8:5～8, enter the shaper extrusion molding, obtain the solid-state castoff derivatived fuel.
2. the method for manufacturing composite solid waste derivatived fuel according to claim 1, it is characterized in that, described step 1) the sludge-drying particle grain size that obtains in is 3～5mm, described step 2) length that the straw-stalk type cultural waste that obtains in is broken section is 3～5mm, described step 3) in the combustiblematerials particle grain size that obtains be 4～6mm.
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| CN201010264708XA CN101987984A (en) | 2010-08-27 | 2010-08-27 | Method for making compound solid waste derived fuel |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676266A (en) * | 2012-05-23 | 2012-09-19 | 四川中物环保科技有限公司 | Production method of waste derived fuel |
| CN103060044A (en) * | 2013-01-17 | 2013-04-24 | 湖南大学 | Method for preparing solid fuel by mixing sludge and biomass |
| CN103146451A (en) * | 2013-03-06 | 2013-06-12 | 深圳市山水乐环保科技有限公司 | Fuel of mixture of organic waste and domestic sludge and preparation method thereof |
| CN103666622A (en) * | 2013-10-18 | 2014-03-26 | 浙江省农业科学院 | Preparation method of mulberry twig granular biofuel |
| CN103710067A (en) * | 2012-09-28 | 2014-04-09 | 北京奥科瑞丰新能源股份有限公司 | Automatic biomass fuel briquette production technology |
| CN103773540A (en) * | 2013-12-12 | 2014-05-07 | 无锡帅时杰环保科技发展有限公司 | Method for manufacturing environment-friendly regenerated coal by using garbage, straws and sludge |
| CN104073315A (en) * | 2014-06-23 | 2014-10-01 | 秦锋 | Production method of novel fuel |
| CN105861094A (en) * | 2016-05-07 | 2016-08-17 | 苏州米田环保科技有限公司 | Environment-friendly biomass fuel and preparation method thereof |
| CN106635237A (en) * | 2016-12-19 | 2017-05-10 | 四川雷鸣环保装备有限公司 | System and technology for preparing garbage derivative fuel by dewatering and drying sludge |
| CN106635226A (en) * | 2016-08-30 | 2017-05-10 | 钟波 | Sludge and straw cooperation harmless treatment process |
| CN109458620A (en) * | 2018-11-16 | 2019-03-12 | 沈阳航空航天大学 | Reduce the compound additive and its application method of sludge incineration fine particle production quantity |
| CN112225434A (en) * | 2020-09-22 | 2021-01-15 | 施美 | Resource utilization method of sludge in domestic sewage plant |
| CN113186012A (en) * | 2021-05-26 | 2021-07-30 | 广州大学 | Resource utilization method for preparing granular fuel by using sludge and household garbage |
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| CN101260334A (en) * | 2008-04-29 | 2008-09-10 | 彭立军 | Technique for producing fuel stick from sludge and domestic refuse |
| CN101671588A (en) * | 2009-09-29 | 2010-03-17 | 天津紫荆能源技术有限责任公司 | Method for processing sludge resources |
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| CN101260334A (en) * | 2008-04-29 | 2008-09-10 | 彭立军 | Technique for producing fuel stick from sludge and domestic refuse |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676266A (en) * | 2012-05-23 | 2012-09-19 | 四川中物环保科技有限公司 | Production method of waste derived fuel |
| CN103710067B (en) * | 2012-09-28 | 2016-04-06 | 北京奥科瑞丰新能源股份有限公司 | The compact formed automatic production process of biomass fuel |
| CN103710067A (en) * | 2012-09-28 | 2014-04-09 | 北京奥科瑞丰新能源股份有限公司 | Automatic biomass fuel briquette production technology |
| CN103060044A (en) * | 2013-01-17 | 2013-04-24 | 湖南大学 | Method for preparing solid fuel by mixing sludge and biomass |
| CN103146451A (en) * | 2013-03-06 | 2013-06-12 | 深圳市山水乐环保科技有限公司 | Fuel of mixture of organic waste and domestic sludge and preparation method thereof |
| CN103666622A (en) * | 2013-10-18 | 2014-03-26 | 浙江省农业科学院 | Preparation method of mulberry twig granular biofuel |
| CN103666622B (en) * | 2013-10-18 | 2015-03-04 | 浙江省农业科学院 | Preparation method of mulberry twig granular biofuel |
| CN103773540A (en) * | 2013-12-12 | 2014-05-07 | 无锡帅时杰环保科技发展有限公司 | Method for manufacturing environment-friendly regenerated coal by using garbage, straws and sludge |
| CN104073315A (en) * | 2014-06-23 | 2014-10-01 | 秦锋 | Production method of novel fuel |
| CN105861094A (en) * | 2016-05-07 | 2016-08-17 | 苏州米田环保科技有限公司 | Environment-friendly biomass fuel and preparation method thereof |
| CN106635226A (en) * | 2016-08-30 | 2017-05-10 | 钟波 | Sludge and straw cooperation harmless treatment process |
| CN106635237A (en) * | 2016-12-19 | 2017-05-10 | 四川雷鸣环保装备有限公司 | System and technology for preparing garbage derivative fuel by dewatering and drying sludge |
| CN109458620A (en) * | 2018-11-16 | 2019-03-12 | 沈阳航空航天大学 | Reduce the compound additive and its application method of sludge incineration fine particle production quantity |
| CN112225434A (en) * | 2020-09-22 | 2021-01-15 | 施美 | Resource utilization method of sludge in domestic sewage plant |
| CN113186012A (en) * | 2021-05-26 | 2021-07-30 | 广州大学 | Resource utilization method for preparing granular fuel by using sludge and household garbage |
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Application publication date: 20110323 |