CN101982532B - System for preparing refuse derived fuel from high-calorific-value components of house refuse - Google Patents

System for preparing refuse derived fuel from high-calorific-value components of house refuse Download PDF

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Publication number
CN101982532B
CN101982532B CN 201010539629 CN201010539629A CN101982532B CN 101982532 B CN101982532 B CN 101982532B CN 201010539629 CN201010539629 CN 201010539629 CN 201010539629 A CN201010539629 A CN 201010539629A CN 101982532 B CN101982532 B CN 101982532B
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China
Prior art keywords
refuse
calorific
rdf
crusher
discharge port
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Expired - Fee Related
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CN 201010539629
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Chinese (zh)
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CN101982532A (en
Inventor
李润东
李延吉
刘建国
岳东北
李彦龙
宋政刚
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Shenyang Aerospace University
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Shenyang Aerospace University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

The invention discloses a system for preparing a refuse derived fuel from high-calorific-value components of house refuse. The system comprises a feed port, a roller screen, a roller, a fan, a crusher, a wind conveyer, a material conveying and mixing device, a particle forming machine, a dedusting device, a cooling chamber, a discharge port and the like which are successively connected through delivery belts, wherein the feed port, the roller screen, the roller and the fan form a separation system; and the crusher, the wind conveyer, the material conveying and mixing device, the particle forming machine, the dedusting device, the cooling chamber and the discharge port from a crushing and forming system. With totally mechanical production, the system has high separation efficiency, is easy to separate the high-calorific-value refuse, ensures the particle size of the refuse to be less than 8 mm after the refuse is crushed, realizes good particle generation effect, relatively large daily treatment amount and good particle forming effect, adopts technical formation and is highly adaptive to the non-homogeneous refuse. The invention is applicable to the urban house refuse containing paper, plastics, waste cloth, kitchen refuse and the like and to the industrial leftover materials such as waste rubber, waste buttons, waste fibers and the like.

Description

The system of preparing refuse derived fuel from high-calorific-value components of house refuse
Technical field: the invention belongs to a cover and utilize rubbish to make the system device of fuel, especially a kind of system that utilizes high heating value component in domestic refuse to prepare garbage derivatived fuel belongs to the collaborative resource treatment technique of the Municipal wastes such as application of city life garbage, industrial scrap stock, mud, used lime field.
Background technology: garbage derivatived fuel (Refuse Derived Fuel, be called for short RDF), be exactly to after refuse classification, classification, combustibleconstituents is wherein carried out the treating processess such as drying is broken, interpolation auxiliary agent, extrusion molding, make solid form (square or cylinder strip) fuel, have that size uniform, calorific value are high, flameholding, be easy to that transportation stores, primary pollution is low and the characteristics such as the dioxin-like chemical quantity discharged is low, be good fossil alternative fuel, be widely used in the fields such as dry engineering, cement manufacturing, Heat Supply Engineering and generation engineering.
The RDF production technique is used wider abroad, and is in the starting stage on China's engineering is used.Due to domestic refuse component unhomogeneity, various places component of refuse otherness is larger, for RDF production is brought difficulty.Produce simultaneously RDF to equipment require high, so the RDF production line of at present domestic technique moulding is less.
Cities and towns typical solid refuse comprises the four large classes such as domestic waste, municipal sewage sludge, river bottom mud and light industry refuse (industrial scrap stock and waste residue), and these solid waste cause lasting threat to environment (particularly water body environment).Moisture percentage in sewage sludge is high, character is unstable, organism and hazardous and noxious substances content is high, become the outstanding difficult problem of Sewage Plant operation, has brought serious environment and social concern.The low-cost high-efficiency sludge treatment of China's field of sludge treatment suitable for China and the development and application of resource technology.Lacking the deep research of system comparatively and the exploitation of suite of equipment aspect the lake dredging bottom-mud disposal, also there is no the case of successful Application aspect engineering.Aspect domestic waste, the cities and towns living standards of the people are higher, refuse production large (particularly Deposits in Eastern Coastal China area) per capita, although rubbish adopts mixed collection substantially, the processing of rubbish is still take simple and easy landfill as main at present, not only take a large amount of valuable soils, simultaneously atmosphere and water body are caused lasting pollution, if rainfall amount is large, the garbage filter output of fluid is large, water body is threatened serious.
Summary of the invention: for above-mentioned the deficiencies in the prior art, the invention provides and one be embedded with domestic refuse, industrial scrap stock are raw material, can add the refuses such as used lime, mud, the system device of preparation RDF granular fuel.
For achieving the above object, the technical solution used in the present invention is: native system comprises successively the opening for feed that connects with feed belt, roller screen, cylinder, blower fan, crusher, pneumatic conveyor, conveying blending device, granule-forming machine, cleaning apparatus, cooling room, discharge port etc.Wherein opening for feed, roller screen, cylinder, blower fan are separation system; Crusher, pneumatic conveyor, conveying blending device, granule-forming machine, cleaning apparatus, cooling room, discharge port are broken formation system.
It is take domestic refuse, industrial scrap stock as raw material that this cover invention system prepares RDF, can add the refuses such as used lime, mud, produces the equipment of RDF granular fuel, compares with other production systems, has following innovation:
1 adaptability is good
Preparation RDF is that the material otherness is large, and is high to equipment requirements to multiple refuse co-treatment.This complete equipment can carry out proportioning to different rubbish, makes the RDF goods of the different demands such as suitable cement mill, power plant.Realize that multiple refuse associated treatment is integrated.
2 source upgradings
Rubbish is carried out original-source by classification, at first carry out the one-level classification, be divided into and do wet two classes, this classification tallies with the national condition, and the resident is easy to accept, and is simple and practical.Material advances manually to remove after factory burning is worked the mischief, and the material that contaminative is large is as pvc pipe etc.Realize secondary classification by on-the-spot belt, then have multiple mechanical treatment to realize the multiclass classification of refuse.This classification has been guaranteed quality product from the source, makes product be easy to moulding, is convenient to store transportation, guarantees that product is easy to burning.
Native system adopts a complete set of mechanization production, and the efficiency of separation is high, is easy to separate high heating value rubbish, goes out grain effective, and day output is larger, and grain forming is effective, and the technology moulding is for heterogeneous body rubbish strong adaptability.Of the present inventionly be applicable to contain the industrial scrap stock such as the domestic wastes such as paper, plastics, useless cloth, rubbish from cooking, waste rubber, useless button, useless fiber.
Description of drawings:
Fig. 1 is the principle of work block diagram of separation system.
Fig. 2 is the principle of work block diagram of broken formation system.
Embodiment:
As shown in Figure 1, separation system mainly utilizes the physical property of domestic waste to carry out sorting.Carried by the homocline of feeding port belt through the crude waste after simple artificial separation (reclaiming metal material material and the larger refuse of water content), be sent in roller screen by feed belt again, to screen out less than the material (glass fragment, finger stone, soil block etc.) of mesh size (40mm) by sieving action, rest materials is transmitted by feed belt, get rid of ratchel, the heavy useless material of bulk by cylinder by gravitational segregation again, all the other useful materials are by the blower fan selection by winnowing, and high heating value light constituent material is sorted.So far, the sorting of domestic refuse high heating value component is completed, and the material that sub-elects enters into following broken formation system.
As shown in Figure 2: this part mainly is made of crusher, wind-force conveyer, conveying blending device, compression molding device, cleaning apparatus and refrigerating unit.
The required flammable high heating value component of preparation RDF that obtains through the sorting of front end separation system enters crusher by conveying belt and carries out fragmentation, material transferring after fragmentation is to the conveying blending device, and add the additives such as biomass, industrial scrap stock, used lime or mud in this device, then mix being transported to RDF particle compression molding device (granule-forming machine); After the extruding of RDF grain forming mould, obtain the RDF particulate product; Be transported to refrigerating unit (cooling room) finally by wind-force, cooled RDF particle just can store through the discharge port pack.Meanwhile, whole RDF particle compression moulding part has cyclonic separator, sack cleaner to carry out dedusting, remove the dust of mixing of materials conveying, particle compression moulding, the generation of RDF particle transport stage, guarantee the spatter property of production environment, avoid secondary pollution.

Claims (3)

1. the method for preparing refuse derived fuel from high-calorific-value components of house refuse, present method system used comprises opening for feed, roller screen, cylinder, blower fan, crusher, pneumatic conveyor, conveying blending device, granule-forming machine, cleaning apparatus, cooling room, the discharge port that connects with feed belt successively; Wherein opening for feed, roller screen, cylinder, blower fan are separation system; Crusher, pneumatic conveyor, conveying blending device, granule-forming machine, cleaning apparatus, cooling room, discharge port are broken formation system; Adopt following steps: carried by the homocline of feeding port belt through the crude waste after simple artificial separation, be sent in roller screen by feed belt again, to remove less than the material screen of mesh size by sieving action, rest materials is transmitted by feed belt, get rid of ratchel, the heavy useless material of bulk by cylinder by gravitational segregation again, all the other useful materials are by the blower fan selection by winnowing, and high heating value light constituent material is sorted; The required flammable high heating value component of preparation RDF that obtains through the sorting of front end separation system enters crusher by conveying belt and carries out fragmentation, material transferring after fragmentation is to the conveying blending device, and add biomass, used lime, industrial scrap stock or mud additive in this device, then mix being transported to granule-forming machine; After the extruding of RDF grain forming mould, obtain the RDF particulate product; Be transported to cooling room finally by wind-force, cooled RDF particle just stores through the discharge port pack, and meanwhile, whole RDF particle compression moulding part has cleaning apparatus to carry out dedusting.
2. the method for preparing refuse derived fuel from high-calorific-value components of house refuse as claimed in claim 1, it is characterized in that: described mesh size is 40mm.
3. the method for preparing refuse derived fuel from high-calorific-value components of house refuse as claimed in claim 1, it is characterized in that: described cleaning apparatus is cyclonic separator and sack cleaner.
CN 201010539629 2010-11-11 2010-11-11 System for preparing refuse derived fuel from high-calorific-value components of house refuse Expired - Fee Related CN101982532B (en)

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Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
CN103223416A (en) * 2012-01-29 2013-07-31 王自新 Method for producing combustible fuel
CN102632071B (en) * 2012-04-28 2014-07-30 湖南屎壳郎环境科技有限公司 Source separation treatment system and method of organic wastes
CN103436319B (en) * 2013-08-26 2015-07-22 湖南普惠环境科技有限公司 Method for preparing briquettes fuel from deoiled kitchen waste
CN105665421B (en) * 2016-02-22 2018-03-20 黎汉东 A kind for the treatment of method for urban garbage and equipment
CN106180158B (en) * 2016-09-19 2018-05-18 重庆冠虹环保能源股份有限公司 The mixing carbonization treatment method of plant fiber and sludge in rubbish screenings
CN109321301A (en) * 2018-11-07 2019-02-12 江苏长鑫谊和生物质燃料有限公司 A kind of production technology of biomass granule fuel
CN109251777A (en) * 2018-11-20 2019-01-22 湖州织里长和热电有限公司 A kind of production technology and its equipment of useless cloth sludge fuel particle

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