CN109385319A - Small towns house refuse couples the technique for preparing derivatived fuel RDF-5 with biomass - Google Patents
Small towns house refuse couples the technique for preparing derivatived fuel RDF-5 with biomass Download PDFInfo
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- CN109385319A CN109385319A CN201810195566.2A CN201810195566A CN109385319A CN 109385319 A CN109385319 A CN 109385319A CN 201810195566 A CN201810195566 A CN 201810195566A CN 109385319 A CN109385319 A CN 109385319A
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- China
- Prior art keywords
- small towns
- house refuse
- biomass
- towns house
- preparing
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/46—Solid fuels essentially based on materials of non-mineral origin on sewage, house, or town refuse
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of small towns house refuses, and the technique for preparing derivatived fuel RDF-5 is coupled with biomass, comprising: 1) coarse crushing；2) it sieves；3) magnetic separation；4) spring sorting；5) dry: remaining small towns house refuse combustible is dry to water content 20-30%；6) mix: by mass percentage by the small towns house refuse combustible proportion after drying is 40-60%, biomass powder proportion is 40-60% and additive mix, fine crushing, the additive includes the borax of the anthracite for accounting for small towns house refuse and biomass powder gross mass 5-10%, the calcium hydroxide of 3-6%, the polyethylene glycol of 1-2%, 1-2%；7) quenched, granulation: mixed material feeding pelletizer being squeezed, is granulated, and material is pressurized in the process, heats up, and it is quenched to complete physics and chemistry；8) cooling is air-dried；The recycling of rubbish, innoxious use can be achieved in the present invention, has the advantages that processing is convenient, cost is relatively low, environmental pollution is small, can greatly improve comprehensive benefit.
Description
Technical field
The present invention relates to a kind of small towns house refuses, and the technique for preparing derivatived fuel RDF-5 is coupled with biomass.
Background technique
With the rapid development of our country's economy, a large amount of resource is consumed, a large amount of waste is generated, seriously affects and makes
About economic development and threaten people's lives life quality.It develops the economy, pollution administration, it has also become the common recognition of modern society,
The direction of environmental protection work is the strategy for implementing to walk sustainable development.Environmental protection is a fundamental state policy in China.Country
Energy conservation and environmental protection industry is classified as country and accelerates one of cultivation and seven strategic emerging industries of development.
According to statistics, hundred million tons of about 2 .77 of China's application of city life garbage yield in 2011, accounts for about whole world refuse production
26%, it is the first big country of rubbish in the world, and annual also with 5%~8% or so speed increase.
China's urban life storage rubbish alreadys exceed 8,000,000,000 tons, takes up an area more than 80 ten thousand mu；Land occupation amount is with the speed of about 4 .8% every year
Degree is increasing.Garbage-surrounded city has beaten alarm bell to urban development, consumes a large amount of human and material resources and financial resources more to handle.Mesh
Before, the trash processing way in China mainly has sanitary landfills, power generation by waste combustion, compost etc..Wherein, sanitary landfills wastes largely
Land resource, and be easy underground water source etc. is polluted；Power generation by waste combustion can make garbage bulk diminution 50%~95%, but
Big, costly, also easily release dioxin, the harmful substances such as mercury are invested, remaining clinker and dust are also toxic, harmful, and burn
Largely recyclable resource is burnt；The period of compost is long, and organic matter and inorganic matter need packing that can just recycle.
In face of a large amount of small towns rubbish in China, since small towns is far from city, the garbage burning factory for focusing on city is burned, away from
Secondary pollution can be also brought from remote transportation cost height, to there is presently no the processing modes of more environmentally friendly more recycling.
Summary of the invention
The purpose of the present invention is being directed to the above-mentioned deficiency of the prior art, a kind of small towns house refuse is provided and is coupled with biomass
The technique for preparing derivatived fuel RDF-5, it can realize the thorough harmless treatment of rubbish, resource utilization, convenient with processing,
Cost is relatively low, without secondary environmental pollution the advantages that, comprehensive benefit can be greatly improved.
In order to achieve the above object, small towns house refuse of the invention is coupled with biomass prepares derivatived fuel RDF-5's
Technique, it is characterised in that the following steps are included: 1) coarse crushing: the biomass such as small towns house refuse and stalk are crushed respectively；2)
Screening: broken small towns house refuse is isolated into food waste, soil by rotary screen；3) magnetic separation: pass through magnet absorption, separation
Iron impurities out；4) masonry spring sorting: is isolated by bouncing sorter；5) dry: can by remaining small towns house refuse
Combustion things are dry to water content 20-30%；6) it mixes: by mass percentage by the small towns house refuse combustible institute accounting after drying
Example is 40-60%, biological particles proportion is 40-60% and additive mixing, fine crushing, and the additive includes accounting for small towns
The anthracite of house refuse and biomass powder gross mass 5-10%, the calcium hydroxide of 3-6%, the polyethylene glycol of 1-2%, 1-2% boron
Sand；7) quenched, granulation: mixed material feeding pelletizer is squeezed, is granulated, material is pressurized in the process, heats up, complete
At physical and chemical quenched granulation；8) cooling, sizing is air-dried；
The present invention can make full use of small towns house refuse on the spot, and processing is convenient, by after inorganic contaminants therein removal with stalk
Etc. biomass, anthracite mixing, can be improved the fusing point of calorific value and ash content, reduce the coking of fuel in combustion；Polyethylene glycol
Coupling fuel is served and accelerates pyrolysis catalytic, can promote solid fuel that Pyrolysis quickly occurs when temperature rises to 300 DEG C
Answer, generate more fuel gas, product be all it is volatile, reduce fuel coking, make fuel more full combustion, rise simultaneously
To the sediment, drag reduction and pyrolysis property for preventing solid fuel from generating hard shell or foundry loam shape；Borax is clear crystal, in air
Weathering, anhydrous sodium tetraborate can be dehydrated by being heated to 400~500 DEG C, be molten into glassy mass at 878 DEG C.Because in melt
Containing acidic oxide B2O3, therefore metal oxide can be dissolved, the oxidation alkali metal ion generated to straw burning can dissolve work
With to reduce the corrosion to boiler；Calcium hydroxide is highly basic, is insoluble in calcium hydroxide with carbon dioxide reaction to be formed
The calcium carbonate of water can act on alkali metal ion, play sterilization functions simultaneously to component of refuse, with the chlorine discharged when fuel combustion
Ionic reaction generates calcium chloride, reduces and corrodes to equipment, inhibits and reduce the synthesis of dioxin, and environmental pollution is small；The present invention is not
Land occupation resource, cost is relatively low, can greatly improve comprehensive benefit；
Preferably as one kind of the invention, also to remaining small towns house refuse combustible between spring sorting and drying process
Carry out fine crushing；Convenient for subsequent quenched, granulation；
Preferably as one kind of the invention, the material in mixed processes remixes after being measured by electronic scale；It can accurately control
Material proportion；
In conclusion the harmless treatment of rubbish, resource utilization can be achieved in the present invention, with processing is convenient, cost is relatively low, ring
Small advantage is polluted in border, while also finding a kind of another new way of comprehensive utilization for biomass resources such as agricultural stalks, can be substantially
Improve energy-saving, emission-reducing, environment friendly comprehensive benefit.
Detailed description of the invention
Fig. 1 is the process flow chart of the embodiment of the present invention.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail.
Embodiment one
As shown in Figure 1, the small towns house refuse of the present embodiment couples the technique for preparing derivatived fuel RDF-5 with biomass, including
Following steps: 1) coarse crushing: the biomass such as small towns house refuse and stalk are crushed respectively by primary mill；2) it sieves: will
Broken small towns house refuse isolates food waste, soil by rotary screen；3) magnetic separation: pass through the absorption of magnet sorting machine, separation
Iron impurities in the house refuse of small towns out；4) it is miscellaneous that the big specific gravity solid such as masonry spring sorting: is isolated by bouncing sorter
Matter；5) fine crushing: small towns house refuse is further crushed by type fine disintegrating machine；6) dry: will be remaining by air drier
Small towns house refuse combustible it is dry to water content 20-30%；7) it mixes: being measured by electronic scale, will be done by mass percentage
Small towns house refuse combustible proportion after dry is 60%, biomass powder proportion is 40% and additive mixes, thin
Broken, the additive includes accounting for 10% anthracite of small towns house refuse combustible and biomass powder gross mass, 6% hydroxide
Calcium, 2% polyethylene glycol, 2% borax；8) quenched, granulation: mixed material feeding pelletizer is squeezed, is granulated, material exists
Pressurized during this, heating is completed physical and chemical quenched；9) air-dry cooling, sizing, obtain coupling derivatived fuel RDF-5 particle at
Product；
The present invention can make full use of small towns house refuse on the spot, and processing is convenient, by food waste therein, soil, irony, masonry impurity
After removal, main component combustible organic, then mixed with biomass, anthracites such as stalks, calorific value can be improved, ash also can be improved in anthracite
The fusing point divided reduces the coking of fuel in combustion；Polyethylene glycol plays coupling fuel and accelerates pyrolysis catalytic, works as temperature
Degree can promote solid fuel that heat scission reaction quickly occurs when rising to 300 DEG C, generate more fuel gas, and product is all volatilization
Property, fuel coking is reduced, fuel more full combustion is made, while playing prevents solid fuel from generating the heavy of hard shell or foundry loam shape
Starch, drag reduction and pyrolysis property；Borax is clear crystal, in air weathering, be heated to 400~500 DEG C can be dehydrated into it is anhydrous
Sodium tetraborate is molten into glassy mass at 878 DEG C.Because containing acidic oxide B2O3 in melt, therefore metal oxygen can be dissolved
Compound, the oxidation alkali metal ion energy dissolution that generate to straw burning is to reduce the corrosion to boiler；Calcium hydroxide is
Highly basic can act on, simultaneously with calcium hydroxide with carbon dioxide reaction to form the calcium carbonate for being insoluble in water with alkali metal ion
Sterilization functions are played to component of refuse, is reacted with the chloride ion discharged when fuel combustion and generates calcium chloride, reduces and equipment is corroded,
Inhibit and reduce the synthesis of dioxin, environmental pollution is small；The coupling derivatived fuel RDF-5 particle combustion that above-mentioned material cooperatively forms
Material, calorific value can achieve 3200 kilocalories or more, and the advantage of each component is complementary to one another, and burning pollutant is few, the corrosion to equipment
It is small, to as a raw material for production by rubbish, separate and combine agricultural stalk resource for combustable organic object therein, realize waste
Innoxious, recycling, high efficient energy sourcesization achieve energy-saving and emission reduction purposes simultaneously, are also not take up land resource, and cost is relatively low, can be big
Width improves comprehensive benefit；The present invention is coal-burning power plant's fire coal coupled electricity-generation, and the coupling for producing a kind of Best Coupling mode is derivative
Fuel.
The present invention is not limited to the above embodiments, such as small towns house refuse, biomass powder and the additive after drying
Accounting it is adjustable, as by the small towns house refuse proportion after drying be by mass percentage 40%, biological particles institute
Accounting example is 60% and additive mixes, and the additive includes account for small towns house refuse and biological particles gross mass 5% white
Coal, 3% calcium hydroxide, 1% polyethylene glycol, 1% borax；Or by mass percentage by the small towns house refuse institute after drying
Accounting example is 50%, biological particles proportion is 50% and additive mixing, and the additive includes accounting for small towns house refuse
With the anthracite of biological particles gross mass 9%, 5% calcium hydroxide, 1.5% polyethylene glycol, 1.5% borax；Above two mode
It is able to achieve similar treatment effect.
Claims (5)
1. a kind of small towns house refuse couples the technique for preparing derivatived fuel RDF-5 with biomass, it is characterised in that including following
Step: 1) coarse crushing: the biomass such as small towns house refuse and stalk are crushed respectively；2) it sieves: broken small towns is lived
Rubbish isolates food waste, soil by rotary screen；3) by magnet absorption, iron impurities magnetic separation: are isolated；4) spring sorting:
Masonry is isolated by bouncing sorter；5) dry: remaining small towns house refuse combustible is dry to water content 20-30%；
6) it mixes: being by mass percentage 40-60% by the small towns house refuse combustible proportion after drying, biomass powder institute
Accounting example is 40-60% and additive mixing, fine crushing, and the additive includes accounting for small towns house refuse and biomass powder is total
The anthracite of quality 5-10%, the calcium hydroxide of 3-6%, the polyethylene glycol of 1-2%, 1-2% borax；7) quenched, granulation: by mixture
Material is sent into pelletizer and is squeezed, is granulated, and material is pressurized in the process, heats up, and completes physical and chemical quenched granulation；8) it air-dries cold
But, it is formed.
2. small towns house refuse according to claim 1 couples the technique for preparing derivatived fuel RDF-5 with biomass, special
Sign is: also carrying out fine crushing to remaining small towns house refuse combustible between spring sorting and drying process.
3. small towns house refuse according to claim 1 or 2 couples the technique for preparing derivatived fuel RDF-5 with biomass,
It is characterized by: the material in mixed processes remixes after being measured by electronic scale.
4. small towns house refuse according to claim 1 couples the technique for preparing derivatived fuel RDF-5 with biomass, special
Sign is: being added to the anthracite of 5-10%, the calcium hydroxide of 3-6%, 1- in small towns house refuse and biomass powder gross mass
The borax of 2% polyethylene glycol, 1-2%.
5. small towns house refuse according to claim 1 couples the technique for preparing derivatived fuel RDF-5 with biomass, special
Sign is: small towns house refuse combustible proportion by mass percentage is 40-60%, biomass powder proportion is
40-60%。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195566.2A CN109385319A (en) | 2018-03-09 | 2018-03-09 | Small towns house refuse couples the technique for preparing derivatived fuel RDF-5 with biomass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195566.2A CN109385319A (en) | 2018-03-09 | 2018-03-09 | Small towns house refuse couples the technique for preparing derivatived fuel RDF-5 with biomass |
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| Publication Number | Publication Date |
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| CN109385319A true CN109385319A (en) | 2019-02-26 |
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ID=65417367
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810195566.2A Pending CN109385319A (en) | 2018-03-09 | 2018-03-09 | Small towns house refuse couples the technique for preparing derivatived fuel RDF-5 with biomass |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114410359A (en) * | 2021-12-22 | 2022-04-29 | 华南理工大学 | Production system for preparing derived fuel by coupling household garbage and biological straw |
| CN115254897A (en) * | 2022-07-25 | 2022-11-01 | 南京师范大学镇江创新发展研究院 | Process for preparing formed fuel based on rural domestic garbage and agricultural waste |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807905A (en) * | 2012-09-04 | 2012-12-05 | 清华大学 | Method for preparing refuse derived fuel for cement kiln with household refuse and straw |
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2018
- 2018-03-09 CN CN201810195566.2A patent/CN109385319A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807905A (en) * | 2012-09-04 | 2012-12-05 | 清华大学 | Method for preparing refuse derived fuel for cement kiln with household refuse and straw |
Non-Patent Citations (4)
| Title |
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| 中国包装联合会编: "《中国包装年鉴2007-2008》", 31 December 2008, 年鉴社 * |
| 南京林产工业学院: "《木材热解工艺学》", 31 May 1983, 中国林业出版社 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114410359A (en) * | 2021-12-22 | 2022-04-29 | 华南理工大学 | Production system for preparing derived fuel by coupling household garbage and biological straw |
| CN115254897A (en) * | 2022-07-25 | 2022-11-01 | 南京师范大学镇江创新发展研究院 | Process for preparing formed fuel based on rural domestic garbage and agricultural waste |
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Application publication date: 20190226 |