CN101332465A - Method and device for comprehensive processing city life rubbish and producing RDF - Google Patents
Method and device for comprehensive processing city life rubbish and producing RDF Download PDFInfo
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- CN101332465A CN101332465A CNA2008100622112A CN200810062211A CN101332465A CN 101332465 A CN101332465 A CN 101332465A CN A2008100622112 A CNA2008100622112 A CN A2008100622112A CN 200810062211 A CN200810062211 A CN 200810062211A CN 101332465 A CN101332465 A CN 101332465A
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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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 provides a method for comprehensively treating urban domestic wastes and producing RDF and a device thereof, which belong to the technical field of environmental protection. The method and the device solve the problems that the existing comprehensive treatment method of urban domestic wastes easily causes secondary pollution; the utilization ratio of urban domestic wastes is low, etc. The method for comprehensively treating urban domestic wastes and producing RDF comprises the following steps: A. sorting and screening; B. production of organic powder fertilizer, and C. production of RDF; a rapid fermentation device comprises a bracket and a cylindrical roller, the bracket is provided with a power mechanism which can cause the roller to rotate; a supporting structure which can cause the roller relative to the bracket to rotate along the axial direction of the roller is provided between the roller and the bracket; a plurality of helically distributed baffles are arranged inside the roller, one end of the roller is provided with a feed inlet, and the other end of the roller is provided with a discharge outlet. The method for comprehensively treating urban domestic wastes and producing RDF and the device thereof are characterized by reasonable design, simple process, less cost, high service stability and high work efficiency.
Description
Technical field
The present invention relates to the processing method of domestic waste, relate in particular to Urban Domestic Waste Comprehensive Treatment and produce the method for RDF and the device that in processing procedure, adopts, belong to environmental technology field.
Background technology
China's urban garbage disposal level is also lower, and at present, the disposal options of domestic waste is mainly still based on landfill, burning and compost.Landfill is the processing mode of domestic waste of dissolving, as the processing of incineration residue, the surplus material of compost etc.The advantage of domestic waste burying method is that small investment, expense are low, but shortcoming also clearly.Burying method takies a large amount of soils, may cause underground water pollution, and can produce inflammable gas in the dumping process, breaking out of fire easily.When building destructor plant, destructor plant must have the interlayer facility, prevents the percolate polluted underground water, must decompose the gas that produces to organic matter corruption in the rubbish simultaneously and handle.
Burning is a kind of more effective waste disposal method, and minimizing and resource effect are fairly obvious.Combustible component in the rubbish carries out violent chemical reaction with airborne oxygen in incinerator, emit heat, and the fixed residue amount that obtains is few, and stable in properties.Incineration treatment of garbage can make the house refuse volume reduce 95%, and weight saving 75% is only made landfill disposal with lime-ash and other noncombustibles, can reduce the garbage loading embeading amount, save land resource.In addition, burning facility is through improving, and can power, heat supply.When burning, the bacterium that contains in the rubbish, pathogeny microorganism etc. is eliminated fully.The shortcoming of burning is a burning facility investment cost height, and in the waste incineration process, to discharge and contain dioxin etc. has pollution to atmospheric environment flue gas, produce secondary pollution,, can cause great harm atmospheric environment and health if these gases directly enter environment.
Compost treatment is the perishable organic matter in the rubbish to be converted into organic nutrient substance, as fertilizer sources or soil conditioner.Principle is to rely on microorganisms such as the bacterium be distributed widely in occurring in nature, actinomyces, fungi, controlledly promotes the biological process that organic matter (can be degraded by microorganisms) transforms to stable humus under certain conditions.Hot fermentation in the composting process can make pathogenic bacteria, the parasitic ovum in the rubbish be killed substantially, has eliminated the propagation of germ.Like this, producing fertilizer from refuse in daily life is handled can become organic fertilizer to rubbish, has reached the requirement of resource, has also promoted the benign cycle of nature material.But compost requires, must control component of refuse owing to the complicated component of rubbish than higher to the composition of rubbish, otherwise the difficult quality guarantee of compost.If be used for farmland fertilization, not only can not turn waste into wealth, also can destroy the ecological environment of soil, contaminated environment.
More than single treating method for urban garbage merits and demerits is all respectively arranged, so can usually adopt the method for integrated treatment in the prior art, to reach innoxious, resource, minimizing principle.As Chinese patent application (CN1935400A) municipal living refuse comprehensive treatment method, this method comprises the broken bag processing, artificial rough segmentation, after the rough segmentation rubbish being transported to the multifunctional rolling shaft screen sieves, pass through one time fermentation, regrading and secondary fermentation form the fine grained fertilizer, though this method can be carried out simple integrated treatment with domestic waste, but do not pass through harmless treatment for the harmful house refuse in the domestic waste, can cause secondary pollution, for just simple landfill of process or brickmaking of screenings in the entire city house refuse, utilize insufficient in addition.
Summary of the invention
The object of the invention is at existing the problems referred to above in the prior art urban garbage disposal process, a kind of municipal living refuse comprehensive treatment method is provided, this method is utilized the character of various domestic wastes, carry out integrated treatment, thereby reach innoxious, the minimizing of domestic waste, the principle of resource.
Another object of the present invention is to be provided at the device of productive life garbage derivatived fuel (RDF) in the above-mentioned municipal living refuse comprehensive treatment method.
Above-mentioned purpose of the present invention can be achieved by the following technical programs: a kind of Urban Domestic Waste Comprehensive Treatment and the method for producing RDF, and this method may further comprise the steps:
A, sorting, screening: domestic waste is delivered to manual sorting's platform by feed, mode of movement with domestic waste, on manual sorting's platform, sub-elect respectively and comprise stone, fragment of brick, glass, metal, obtain an oversize and a screenings by the screening of screening machine broken bag then;
B, the organic powder fertilizer of production: will be delivered in the installation for fermenting through the screenings that the screening of screening machine broken bag obtains, in temperature is that 60～80 ℃ condition bottom fermentation is more than 2 hours, fertile and the secondary oversize of organic powder is told by sifted in the fermentation back, and wherein the secondary oversize is stand-by;
C, produce RDF: will sieve an oversize obtaining by magnetic separation through the screening machine broken bag, be delivered to disintegrating machine after the magnetic separation and carry out coarse crushing, material after the coarse crushing and described secondary oversize carry out fine crushing through the fine crushing machine, then by obtaining RDF after extrusion modling, the oven dry.
Processing method of the present invention meets the principle of urban garbage disposal " innoxious ", " minimizing " and " resource ", the stone that wherein sorts out, fragment of brick etc. can be used as construction material, and domestic wastes such as the glass that sorts out, old metal can be recycled again, also can be used as waste and old material and sell, increase economic benefit.
The content that sieves organic powder fertilizer in the screenings that obtains by the screening machine broken bag is more, can be used for after-ripening compost production organic fertilizer and makes full use of.But organic fertilizer is subjected to the restriction of fertilizer efficiency and harmful substance, often product is insufficient, so compost not only is difficult to realize garbage as resource, can form harmfulization because of secondary pollution on the contrary, the present invention can kill harmless treatments such as pathogenic bacteria, worm's ovum at quick installation for fermenting to a screenings after the broken bag screening by quick installation for fermenting, make organic powder fertilizer of preparation can directly return the soil safely, be used for greening, dry crop etc. as base manure, not only safe and effective processing domestic waste can also bring recycling benefits.
The oversize and the secondary oversize that obtain in the method for the present invention mainly are some yarn fabrics, waste plastics, waste paper, plant leaf etc., these material heat are higher, can be made into garbage derivatived fuel (RDF), reason is that the house refuse itself with certain calorific value is a kind of solid fuel, but not a kind of very desirable fuel, the present invention carry out solid fuelization with domestic waste, it is higher to be processed into calorific value, more stable and be convenient to store the garbage derivatived fuel (RDF) of transportation, thus really realized the principle of " innoxious; resource " of domestic rubbish disposal.In producing garbage derivatived fuel (RDF) process, at first to carry out magnetic separation, not only can recycle metal materials such as iron, steel, and can not influence the heat of garbage derivatived fuel (RDF) an oversize; The magnetic field of being adopted during magnetic separation is the ferrite magnetic field that the common magnetic separator of prior art adopts.
In above-mentioned Urban Domestic Waste Comprehensive Treatment and produce in the method for RDF, before the sorting step domestic waste is sent in the steps A and deposits in the rubbish storehouse and ferment, the moisture content of domestic waste is reduced to below 40%.Fermentation time according to the situation of rubbish water content about 3～7 days.
In above-mentioned Urban Domestic Waste Comprehensive Treatment and produce in the method for RDF, as preferably, the fermentation temperature described in the step B is 65～75 ℃, and fermentation time is 2～24 hours.In above-mentioned fermentation temperature and time range, can more effectively kill harmful components such as pathogenic bacteria, worm's ovum, at first realize the innoxious of house refuse, and obtained having organic powder fertilizer of certain value.
In above-mentioned Urban Domestic Waste Comprehensive Treatment and produce in the method for RDF, the material after the step B fermentation also passes through the magnetic separation process.The present invention, not only can recycle metal materials such as iron, steel, and can not cause secondary pollution through magnetic separation the material after fermenting, and influences the nutritional labeling of organic powder fertilizer; The magnetic field of being adopted during magnetic separation is the ferrite magnetic field that the common magnetic separator of prior art adopts.
In above-mentioned Urban Domestic Waste Comprehensive Treatment and produce in the method for RDF, an oversize coarse crushing described in the step C is a shearing-crushing, and the material particular diameter behind the shearing-crushing is less than 5cm.Material particular diameter was less than 5cm after an oversize carried out coarse crushing and coarse crushing, and was convenient to mix and further fine crushing and RDF extrusion modling.
In above-mentioned Urban Domestic Waste Comprehensive Treatment and produce in the method for RDF, the material particular diameter behind the fine crushing described in the step C is not less than 85% less than 2cm's.Be not less than 85% by what material particular diameter behind material fine crushing after the coarse crushing and the fine crushing is less than 2cm, do not have material simultaneously, to guarantee extrusion modling preferably, so that obtain the bar-shaped garbage derivatived fuel (RDF) of diameter about 2cm greater than the 5cm particle diameter.
The present invention also provides employed quick installation for fermenting in a kind of said method, this quick installation for fermenting comprises that a support and one are cylinder cylindraceous, it is characterized in that, described support is provided with the actuating unit that cylinder is rotated, be provided with between described cylinder and the support and can make cylinder with respect to the supporting construction of support along its axial rotation, described cylinder inboard has the some baffle plates of shape distribution in the shape of a spiral, one end of described cylinder has charging aperture, and the other end of cylinder has discharging opening.
Actuating unit drives in the cylinder rotation process, makes cylinder axially rotate along it with respect to support all the time by supporting construction.The rubbish screenings is inputed in the cylinder by charging aperture, makes the rubbish screenings can obtain fermentation in cylinder by the some baffle plates in it in the roller rotating process.Owing to have longer distance between charging aperture and the discharging opening, the rubbish screenings is entered by charging aperture in the process of discharging opening and will be fermented fully, is discharged by the discharging opening place through the rubbish screenings of fully fermentation again.
In above-mentioned quick installation for fermenting, described supporting construction is the bearing that is positioned at the cylinder both sides, and bearing inner race and above-mentioned support are connected, and bearing outer ring contacts with the cylinder outside.Under the effect of bearing, can support, simultaneously, make cylinder freely to rotate with respect to support to cylinder.
In above-mentioned quick installation for fermenting, described actuating unit is the teeth that are connected in the motor on the frame and are fixed on the cylinder outside, is fixed with gear and gear on the machine shaft and is meshed with teeth.The motor operation course middle gear just can drive teeth along with rotation in the gear rotation process, promptly drives cylinder and rotates.
In above-mentioned quick installation for fermenting, also be provided with heating arrangements in the described cylinder.Make by heating arrangements to keep higher temperature in the cylinder, be beneficial to the fermentation of rubbish screenings.
In above-mentioned quick installation for fermenting, described heating arrangements is the electrothermal piece of being located in the cylinder, and electrothermal piece is connected with power supply by lead.After the energising, electrothermal piece will generate heat, and makes to have higher temperature in the cylinder.
In above-mentioned quick installation for fermenting, described electrothermal piece place is provided with fan.Just can make each position in the cylinder all have higher temperature in the fan running process.
In sum, the present invention has the following advantages:
1, processing method of the present invention has reached the purpose that the municipal refuse synthesization is handled, thereby realized the optimization criteria of urban garbage disposal " innoxious, minimizing, resource ", the material that is sub-elected in the processing procedure can fully be recycled, and organic powder fertilizer of being produced can be used for base manure; The garbage derivatived fuel of being produced can be directly for the fuel of coal-burning power plant etc.
2, processing method of the present invention has not only realized the purpose that the municipal refuse synthesization is handled, and can produce the garbage derivatived fuel (RDF) with high heat, and the calorific value of this garbage derivatived fuel can reach 12500～17500kj/kg.
3, Urban Domestic Waste Comprehensive Treatment of the present invention and to produce the method technological design of RDF reasonable, flow process is simple, and cost is lower, can realize the purpose of domestic waste " innoxious, minimizing, resource " integrated treatment.
4, this quick installation for fermenting only is made up of cylinder and support etc., and therefore simple in structure, cost is lower.Simultaneously, under the effect of electrothermal piece, make to have higher temperature in the cylinder, make the rubbish screenings can access sufficient fermentation, and the rubbish screenings is continuable in concrete use is sent into by the charging aperture place, and do not need to shut down.Therefore, its stability in use is higher, operating efficiency is higher.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of quick installation for fermenting of the present invention.
Fig. 2 is the broken section structural representation of quick installation for fermenting of the present invention.
Fig. 3 is the side-looking structural representation of quick installation for fermenting of the present invention.
Fig. 4 is the engaging structure schematic diagram of quick installation for fermenting middle gear of the present invention and teeth.
Fig. 5 is the process chart of embodiment 1 described method.
Among the figure, 1, support; 2, cylinder; 21, teeth; 22, charging aperture; 23, discharging opening; 3, bearing; 4, motor; 5, gear; 6, baffle plate; 7, electrothermal piece; 8, fan.
The specific embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As Fig. 1 and Fig. 2 and shown in Figure 3, this fast an installation for fermenting comprise that a support 1 and one are cylinder 2 cylindraceous, the both sides of cylinder 2 are provided with two row's bearings 3, the inner ring of bearing 3 and support 1 are connected, bearing 3 outer rings and cylinder 2 outer side contacts.
As Fig. 2 and shown in Figure 4, on support 1, be fixed with motor 4, be fixed with gear 5 in the rotating shaft of motor 4, cylinder 2 outsides are fixed with teeth 21, and gear 5 is meshed with teeth 21.
Have some baffle plates 6 in cylinder 2, baffle plate 6 is spirally distributed in cylinder 2 inboards.One end of cylinder 2 has charging aperture 22, and the other end of cylinder 2 has discharging opening 23.
Discharging opening 23 places at cylinder 2 are provided with an electrothermal piece 7, and electrothermal piece 7 links to each other with power supply by lead.7 places also are provided with fan 8 at electrothermal piece.
In motor 4 operation, drive cylinder 2 along its axial rotation by meshed gears 5 and teeth 21.At this moment, under the effect of baffle plate 6, make the rubbish screenings can be distributed in each position in the cylinder 2 by rubbish screenings in the cylinder 2 of charging aperture 22 inputs.Simultaneously, under the effect of fan 8 and electrothermal piece 7, make the rubbish screenings in cylinder 2, be fermented fully.
In addition, cylinder 2 is axially fixed on the support 1, that is to say that cylinder 2 can be along its axial float.In the present embodiment, cylinder 2 outsides are fixed with in the form of a ring recessed keeper, have the fastener that is complementary with keeper on the support, and fastener is embedded in the keeper, make cylinder 2 freely to rotate by such mode but can not move along its axis.
This Urban Domestic Waste Comprehensive Treatment and to produce the embodiment of method of RDF as follows:
Embodiment 1
A, sorting, screening: domestic waste is sent to deposits in the rubbish storehouse and fermented 3～7 days, the moisture content of domestic waste is reduced to below 40%, rubbish after the biological treatment is passed through the conveyer feed, mode of movement is delivered to manual sorting's platform, on manual sorting's platform, sub-elect stone, fragments of brick etc. are used to build backfilling material, glass, old metal etc. are sold as waste and old material, mainly are some yarn fabrics by conveyor delivery to broken bag screening machine place screening then, waste plastics, waste paper, a more screenings of the fertile content of oversize such as plant leaf and organic powder.
B, produce organic powder fertilizer: a screenings that will obtain through broken bag sifted branch by conveyor delivery to quick installation for fermenting, it in temperature 80 ℃ condition bottom fermentation 2～5 hours, magneticly electing tiny metal materials such as scrap iron through magnetic separator in ferrite magnetic field after the fermentation recycles, tell the fertile and secondary oversize of organic powder by common sifted then, the fertile soil that directly returns of wherein organic powder, be used for greening, dry crop cooked base manure, the secondary oversize is transported in the fine crushing machine in small, broken bits.
C, production RDF: will in ferrite magnetic field, magneticly elect tiny metal materials such as scrap iron through magnetic separator through the oversize that the screening of screening machine broken bag obtains and recycle, be delivered to shear breaker after the magnetic separation and carry out coarse crushing, make material particular diameter after the fragmentation less than 5cm.Material carries out fine crushing through the fine crushing machine after the coarse crushing, and material behind the fine crushing and secondary oversize material particular diameter are not less than 85% less than 2cm's, do not have the material of particle diameter greater than 5cm simultaneously.Pass through the extruder extrusion modling then, and obtain after the oven dry at room temperature stablizing and being convenient to store the bar-shaped garbage derivatived fuel (RDF) of diameter about 2cm of transportation, above-mentioned preparation method's process chart as shown in Figure 5; After in addition the heat of garbage derivatived fuel (RDF) of preparation being detected, heat can be directly made fuel for coal-burning power plant etc. and is used between 12500～17500kj/kg.
A screenings that obtains through broken bag sifted branch is 70 ℃ by fermentation temperature in the extremely quick installation for fermenting of conveyor delivery, fermentation time is 5～15 hours, other technological process is with embodiment 1, repeat no more, the heat of the garbage derivatived fuel of preparation (RDF) is between 12500～17500kj/kg.
Embodiment 3
A screenings that obtains through broken bag sifted branch is 65 ℃ by fermentation temperature in the extremely quick installation for fermenting of conveyor delivery, fermentation time is 15～24 hours, other technological process is with embodiment 1, repeat no more, the heat of the garbage derivatived fuel of preparation (RDF) is between 12500～17500kj/kg.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technical staff of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used 1, support morely; 2, cylinder; 21, teeth; 22, charging aperture; 23, discharging opening; 3, bearing; 4, motor; 5, gear; 6, baffle plate; 7, electrothermal piece; 8, term such as fan, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (10)
1, a kind of Urban Domestic Waste Comprehensive Treatment and the method for producing RDF, this method may further comprise the steps:
A, sorting, screening: domestic waste is delivered to manual sorting's platform by feed, mode of movement with domestic waste, on manual sorting's platform, sub-elect respectively and comprise stone, fragment of brick, glass, metal, obtain an oversize and a screenings by the screening of screening machine broken bag then;
B, the organic powder fertilizer of production: will be delivered in the installation for fermenting through the screenings that the screening of screening machine broken bag obtains, in temperature is that 60～80 ℃ condition bottom fermentation is more than 2 hours, fertile and the secondary oversize of organic powder is told by sifted in the fermentation back, and wherein the secondary oversize is stand-by;
C, produce RDF: will sieve an oversize obtaining by magnetic separation through the screening machine broken bag, be delivered to disintegrating machine after the magnetic separation and carry out coarse crushing, material after the coarse crushing and described secondary oversize carry out fine crushing through the fine crushing machine, then by obtaining RDF after extrusion modling, the oven dry.
2, the Urban Domestic Waste Comprehensive Treatment according to claim 1 and the method for producing RDF, it is characterized in that, domestic waste is sent to before the sorting step in the steps A and deposits in the rubbish storehouse and ferment, the moisture content of domestic waste is reduced to below 40%.
3, the Urban Domestic Waste Comprehensive Treatment according to claim 1 and 2 and the method for producing RDF is characterized in that, as preferably, the fermentation temperature described in the step B is 65～75 ℃, and fermentation time is 2～24 hours.
4, the Urban Domestic Waste Comprehensive Treatment according to claim 1 and 2 and the method for producing RDF is characterized in that, the material after the step B fermentation also passes through the magnetic separation process.
5, the Urban Domestic Waste Comprehensive Treatment according to claim 1 and 2 and the method for producing RDF is characterized in that an oversize coarse crushing described in the step C is a shearing-crushing, and the material particular diameter behind the shearing-crushing is less than 5cm.
6, the Urban Domestic Waste Comprehensive Treatment according to claim 1 and 2 and the method for producing RDF is characterized in that the material particular diameter behind the fine crushing described in the step C is not less than 85% less than 2cm's.
7, a kind of quick installation for fermenting, this quick installation for fermenting comprises that a support (1) and one are cylinder cylindraceous (2), it is characterized in that, described support (1) is provided with the actuating unit that cylinder (2) is rotated, be provided with between described cylinder (2) and the support (1) and can make cylinder (2) with respect to the supporting construction of support (1) along its axial rotation, described cylinder (2) inboard has the some baffle plates (6) of shape distribution in the shape of a spiral, one end of described cylinder (2) has charging aperture (22), and the other end of cylinder (2) has discharging opening (23).
8, quick installation for fermenting according to claim 7 is characterized in that, described supporting construction is for being positioned at the bearing (3) of cylinder (2) both sides, and bearing (3) inner ring is connected with above-mentioned support (1), contacts outside bearing (3) outer ring and the cylinder (2).
9, quick installation for fermenting according to claim 8, it is characterized in that, described actuating unit is the teeth (21) that are connected in the motor (4) on the frame and are fixed on cylinder (2) outside, is fixed with gear (5) and gear (5) in motor (4) rotating shaft and is meshed with teeth (21).
10, according to claim 7 or 8 or 9 described quick installation for fermentings, it is characterized in that described cylinder also is provided with heating arrangements in (2), described heating arrangements is for being located at the electrothermal piece (7) in the cylinder (2), and electrothermal piece (7) is connected with power supply by lead.
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| CNA2008100622112A CN101332465A (en) | 2008-06-06 | 2008-06-06 | Method and device for comprehensive processing city life rubbish and producing RDF |
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| CNA2008100622112A CN101332465A (en) | 2008-06-06 | 2008-06-06 | Method and device for comprehensive processing city life rubbish and producing RDF |
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Cited By (18)
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| CN102191106A (en) * | 2011-03-24 | 2011-09-21 | 华新环境工程有限公司 | System for extracting rubbish derived fuel (RDF) from municipal rubbish |
| CN102527701A (en) * | 2012-01-06 | 2012-07-04 | 北京昊海天际科技有限公司 | Comprehensive treating system for domestic wastes |
| CN102580980A (en) * | 2012-02-10 | 2012-07-18 | 中山市恒动机械制造有限公司 | High-flow urban garbage pretreatment process and equipment |
| CN102615092A (en) * | 2012-04-10 | 2012-08-01 | 苏州天荣能源环境科技有限公司 | Municipal refuse treatment device and method |
| CN102977968A (en) * | 2012-11-27 | 2013-03-20 | 中国环境科学研究院 | Method for jointly preparing refuse derived fuel by household refuse and organic waste |
| CN103846271A (en) * | 2014-01-14 | 2014-06-11 | 鄂尔多斯市城市矿产研究开发有限责任公司 | Municipal solid waste combined anaerobic fermentation production process |
| CN103861863A (en) * | 2014-03-21 | 2014-06-18 | 广州保绿环保科技有限公司 | Urban domestic garbage comprehensive utilization treatment method |
| CN103934251A (en) * | 2014-01-21 | 2014-07-23 | 上海程胜环保科技有限公司 | Human household garbage disposition and recycling method |
| CN104607437A (en) * | 2014-12-10 | 2015-05-13 | 广东源盛生态环保科技有限公司 | House-refuse rapid processing method based on combination application of microbe and machinery |
| CN105363763A (en) * | 2015-12-11 | 2016-03-02 | 宁波兴光新能源投资有限公司 | Municipal waste comprehensive treatment method |
| CN105904500A (en) * | 2016-04-20 | 2016-08-31 | 龚亚强 | Application of crocodile type sharing machine for shearing household garbage |
| CN105923959A (en) * | 2016-04-13 | 2016-09-07 | 江苏菲力环保工程有限公司 | Power device for rotating fermentation rotary drum for aerobic composting |
| CN106216350A (en) * | 2016-07-25 | 2016-12-14 | 贵州毅腾环保科技有限公司 | domestic garbage resource production method |
| CN110041979A (en) * | 2019-05-23 | 2019-07-23 | 河北农乐新能源科技有限公司 | A kind of RDF fuel and its preparation process |
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| CN110479730A (en) * | 2019-04-30 | 2019-11-22 | 武汉永清环保科技工程有限公司 | A method of for the easily broken solid-state hazardous waste of boiler of power plant cooperative disposal |
| CN111500338A (en) * | 2020-05-28 | 2020-08-07 | 肖虎来 | Biomass fuel with high burning speed and manufacturing method thereof |
| CN112474700A (en) * | 2020-10-20 | 2021-03-12 | 杭州拓胜建筑工程有限公司 | Production equipment and method for preparing recycled building material from building waste |
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