CN201500671U - Household garbage incineration system based on mechanical and biological combined pretreatment - Google Patents

Household garbage incineration system based on mechanical and biological combined pretreatment Download PDF

Info

Publication number
CN201500671U
CN201500671U CN2009200125158U CN200920012515U CN201500671U CN 201500671 U CN201500671 U CN 201500671U CN 2009200125158 U CN2009200125158 U CN 2009200125158U CN 200920012515 U CN200920012515 U CN 200920012515U CN 201500671 U CN201500671 U CN 201500671U
Authority
CN
China
Prior art keywords
unit
mechanical
biological joint
household garbage
incineration
Prior art date
Application number
CN2009200125158U
Other languages
Chinese (zh)
Inventor
李爱民
鞠茂伟
刘卓
邹德军
Original Assignee
大连理工大学
大连绿诺环境工程科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大连理工大学, 大连绿诺环境工程科技有限公司 filed Critical 大连理工大学
Priority to CN2009200125158U priority Critical patent/CN201500671U/en
Application granted granted Critical
Publication of CN201500671U publication Critical patent/CN201500671U/en

Links

Classifications

    • 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
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/12Heat utilisation in combustion or incineration of waste

Abstract

The utility model relates to a household garbage incineration treatment system, in particular to a household garbage incineration system based on mechanical and biological combined pretreatment. The household garbage incineration system comprises a manual pre-sorting unit, a mechanical crushing unit, a mechanical and biological combined pretreatment unit and an incineration unit, wherein the manual pre-sorting unit is provided with a mechanical bag-breaking device, discharge of the manual pre-sorting unit is conveyed into the mechanical crushing unit, discharge of the mechanical crushing unit is conveyed into the mechanical and biological combined pretreatment unit, a turning machine arranged in the treatment unit is used for turning material piles, a ventilating device is connected with an odor collection unit, discharge of the mechanical and biological combined pretreatment unit is conveyed to the incineration unit, and portions of afterheat of the incineration unit are transmitted to a generation occasion via a pipe while portions of afterheat are transmitted to the mechanical and biological combined pretreatment unit via a pipeline. The household garbage incineration treatment system forms a life-cycle management system of urban household garbage, realizes reducing, recycling and harmlessness of treatment of household garbage, and meets conception of recycling economy and sustainable development.

Description

Based on the pretreated consumer waste incineration of mechanical biological joint system

Technical field

The utility model belongs to environmental technology field, relates to the burning processing system that a kind of house refuse is carried out.

Background technology

At present, the house refuse in domestic a lot of cities and towns still adopts the method for simple and easy stacking, and the house refuse of mixed collection is a kind of extremely complicated refuse, comprise plastics, rubber, wooden bamboo, stationery, dirt, brick pottery, metal, glass, yarn fabric, kitchen organic matter etc., because biodegradation and chemical action, the part component is rotted and biodegradation gradually, produces percolate and biogas, and soil, water body and atmosphere are all caused severe contamination.

Burning method is a kind of high-temperature process technology of rubbish, the modern city of developed country and domestic economy prosperity all is widely used abroad, its advantage is that minimizing and innoxious degree are higher, burn the heat that produces and can be used for generating and heat supply, residue carries out recycling as the aggregate of building the road, and can significantly reduce the volume and weight of refuse.In the waste incineration process, the heat that discharges will be enough to provide rubbish to reach the required heat of ignition temperature and the required activation energy of combustion reaction takes place, and increases the heat that combustion process discharged otherwise just must add auxiliary fuel.Practical experience shows, concerning house refuse, as Lower heat value Q LDuring<3344kJ/kg, can not satisfy the condition of homeostasis burning, need to increase auxiliary fuel; As 3344<Q LDuring<4180kJ/kg, just can not burn in theory, but the recovery energy of the waste heat that burning process produces is worth not quite by auxiliary fuel; As 4180<Q LDuring<5000kJ/kg, the waste heat that solid waste burning produces can carry out recovery energy, and promptly waste heat can be used for generating electricity and heat supply; Work as Q LDuring>6000kJ/kg, can guarantee that burning process is stable carries out, and the waste heat that is produced can stably generate electricity and heat supply.Compare with composting technology with sanitary landfills, incineration technology ton cost of investment height, floor space is little, is applicable to big (>600t/d) the developed area of the rubbish daily output.But the house refuse calorific value of China's mixed collection is generally lower at present, and except that the economically developed city of minority, the situation in most cities all is not suitable for directly carrying out burning disposal.

In view of the physicochemical property of China's house refuse and the limitation of conventional process technology such as sanitary landfills, burning and compost, the domestic rubbish disposal technology is developed into the treatment technology of diversification gradually by monotechnics.Domestic waste output is bigger, and suitable taking with the burning method is the garbage treating process of core technology.The existing garbage treating process of China is not inquired into suitable technology and path combination according to the physicochemical property of mixed collection house refuse, can not fundamentally realize resource, the harmless treatment of composting.

Chinese patent CN 1292475A " pretreatment system for incineration of garbage " is open: rubbish is carried out high temperature fly eradication sterilization under negative pressure, the hard refuse is removed in sorting automatically, with soft twister further cut, after the break process, rubbish send the incinerator burning electricity generation.It is fully feasible that this method is analyzed theoretically, but in practical operation, the crude waste of high-moisture percentage is carried out high temperature fly eradication sterilization need expend a large amount of energy, cause the waste of the energy and improve operating cost, not feasible at the domestic rubbish disposal of domestic city mixed collection.

Chinese patent CN1387962A " municipal living refuse comprehensive treatment method and system thereof " is open to be proposed: dry after the rubbish negative pressure is handled, rubbish after the oven dry is handled by the kind letter sorting, wherein organic perishables, flammable unperishable substance, waste material of buildings, Recyclable is separated classification handle.But this method need be dried the crude waste of high-moisture percentage equally, need expend a large amount of energy, and the house refuse of mixed collection is difficult to guarantee by kind letter sorting treatment effeciency.

Chinese patent CN1468818A " urban garbage disposal technology " is open: technology comprises steps such as processing, oven dry, burning, the flue gas of storing waste gas waste water in fermentation, the sweat are handled, cleaning slag, make rubbish spontaneous fermentation in the storage process, waste water send sewage treatment plant to handle.Rubbish spontaneous fermentation improves limitedly in this method to refuse thermal value, can't reach the required Lower heat value of homeostasis burning after crude waste is handled, and the waste water that rubbish fermentation produces belongs to percolate, and percolate need be sent to city B-grade sewage treatment plant and handle.Otherwise then cause secondary pollution, result is not thorough, and according to new regulation in 2008, this percolate processing mode will be under an embargo after 2011.

The utility model content

The purpose of this utility model is the limitation that overcomes above-mentioned traditional life refuse disposal system, provides a kind of based on the pretreated consumer waste incineration of mechanical biological joint system, and system is simple, and is easy to operate.

The technical scheme that the utility model is adopted for achieving the above object is: based on the pretreated domestic garbage treating system of mechanical biological joint: comprise and manually presort menu unit, Mechanical Crushing unit, mechanical biological joint pretreatment unit, burn the unit; Manually presort menu unit and be provided with mechanical broken bag device, manually presort the discharging of menu unit and be conveyed into the Mechanical Crushing unit, the discharging of Mechanical Crushing unit is conveyed into the mechanical biological joint pretreatment unit, turning material machinery is positioned at processing unit the bank body is carried out turning, ventilation unit connects the foul smell collector unit, the discharging of mechanical biological joint pretreatment unit is conveyed into the burning unit, burn the cell mesh waste heat and be transported to the generating place by pipeline, part of waste heat is given the mechanical biological joint pretreatment unit by the pipeline heat supply.

Described mechanical biological joint pretreatment unit percolate outlet is communicated with leachate equalization basin, the leachate equalization basin outlet divides three the tunnel, be communicated with mechanical biological joint pretreatment unit, biological filter deodorizing device and low-temperature multi-effect vaporising device respectively, the low-temperature multi-effect vaporising device is communicated with the burning unit.

The beneficial effects of the utility model are: according to the house refuse biodegradable component content height of China's most of cities mixed collection, the characteristics that water content is big, calorific value is low, the project organization compactness house refuse is carried out the mechanical biological joint pretreatment system, the recycling energy, the ton cost of investment is low, floor space is little, be higher than 6000kJ/kg through the pretreated rubbish Lower heat value of mechanical biological joint, thereby reduce moisture content, improve calorific value, be incendive garbage, enter and burn the unit burning disposal, do not add auxiliary fuel in the burning process.Burn the heat energy utilization rate height that produces, can directly send to the generating place or be back to material and heat up and temperature-fall period, make material keep the required temperature of reaction, improve the pretreatment unit service efficiency, the consumption that moisturizes; Waste heat also is used for the low-temperature multi-effect evaporation of percolate simultaneously, and the percolate processing unit makes full use of the biodegradability of percolate, 10% the percolate (COD, BOD and ammonia nitrogen all are starkly lower than the percolate that the sanitary landfills process produces) that output is about garbage treatment quantity, be collected into leachate equalization basin, the part leachate recirculation is to the mechanical biological joint pretreatment unit, utilize the biological respinse heat and the draught effect of microorganism aerobic process to consume percolate, and with the contaminant degradation in the percolate; The utilization of residue percolate is burned the generation waste heat and is carried out the low-temperature multi-effect evaporation, and concentrate carries out burning disposal.Foul smell is handled the foul smell of collecting is partly sent into incinerator as secondary wind, other foul smell are sent into the biological filter deodorizing cell processing, do not have secondary pollution, and make full use of the various energy that respectively go on foot garbage disposal, complement each other, reduce the external energy input to greatest extent.The inert components such as brick pottery of burning the generation bottom ash and sub-electing previously also can be carried out landfill disposal as building the road or filling out the hole filler; Landfill behind the burning generation flyash curing.

Description of drawings

Fig. 1 the utility model system architecture schematic diagram.

The specific embodiment

Be described in detail the utility model below in conjunction with specific embodiments and the drawings, but the utility model is not limited to specific embodiment.

Embodiment 1:

As shown in Figure 1 based on the pretreated domestic garbage treating system of mechanical biological joint: comprise and manually presort menu unit 1, Mechanical Crushing unit 2, mechanical biological joint pretreatment unit 3, burn unit 4; Manually presort menu unit and be provided with mechanical broken bag device 5, manually presort the discharging of menu unit and be conveyed into the Mechanical Crushing unit, the discharging of Mechanical Crushing unit is conveyed into the mechanical biological joint pretreatment unit, turning material machinery 6 is positioned at processing unit the bank body is carried out turning, and ventilation unit is housed connects the foul smell collector unit, mechanical biological joint pretreatment unit discharging opening is communicated with the burning unit mass transport is gone into to burn unit 4, mechanical biological joint pretreatment unit liquid outlet is communicated with leachate equalization basin 7, the leachate equalization basin outlet divides three the tunnel, be communicated with the mechanical biological joint pretreatment unit respectively, biological filter deodorizing device 8 and low-temperature multi-effect vaporising device 9, the low-temperature multi-effect vaporising device is communicated with burning unit 4, burn the cell mesh waste heat and be transported to generating place 10 by pipeline, part of waste heat is given the mechanical biological joint pretreatment unit by the pipeline heat supply.

During use, at artificial pretreatment unit house refuse is carried out artificial pre-sorting, sub-elect inert components such as large volume brick pottery, sub-elect residue house refuse after the large volume inert component through refuse grinder, Mechanical Crushing is to the prose style free from parallelism of equivalent diameter 30-70mm (being best about 50), broken back residue waste component enters the mechanical biological joint pretreatment unit, in mechanical turning, carrying out aerobe under intermittent aeration and the action of microorganisms handles, the reaction heat that utilizes the microorganism aerobic fermentation to produce, make the bank body independently be warming up to 50-60 ℃, reduce msw water content, improve refuse thermal value, send into incinerator and carry out burning disposal, burn the flue gas that produces and remove bioxin through flue gas treating process, HCl, harmful substance such as oxysulfide and nitrogen oxide.Burn the heat that produces and recycle through waste heat boiler, produce heat energy and be mainly used in generating, partial heat energy is used for the low-temperature multi-effect evaporation of percolate, and partial heat energy is used for the heat supply of intensification of mechanical biological joint pretreatment unit rubbish material and temperature-fall period.The percolate of collecting house refuse collecting and transferring system, rubbish storing, mechanical broken bag, artificial pre-sorting, Mechanical Crushing and the generation of mechanical biological joint preprocessing process is to leachate equalization basin, percolate partly recharges to the mechanical biological pretreatment unit, all the other percolate utilizations are burned the heat that produces and are carried out the low-temperature multi-effect evaporation, and concentrate sprays into incinerator and carries out burning disposal.Each flow process produces the part foul smell and is delivered to incinerator with blower fan, delivers to incinerator as secondary wind, and all the other foul smell are delivered to the biological filter deodorizing unit.

Claims (2)

1. based on the pretreated consumer waste incineration of mechanical biological joint system, it is characterized in that: comprise and manually presort menu unit, Mechanical Crushing unit, mechanical biological joint pretreatment unit, burning unit; Manually presort menu unit and be provided with mechanical broken bag device, manually presort the discharging of menu unit and be conveyed into the Mechanical Crushing unit, the discharging of Mechanical Crushing unit is conveyed into the mechanical biological joint pretreatment unit, turning material machinery is positioned at processing unit the bank body is carried out turning, ventilation unit connects the foul smell collector unit, the discharging of mechanical biological joint pretreatment unit is conveyed into the burning unit, burn the cell mesh waste heat and be transported to the generating place by pipeline, part of waste heat is given the mechanical biological joint pretreatment unit by the pipeline heat supply.
2. according to claim 1 based on the pretreated consumer waste incineration of mechanical biological joint system, it is characterized in that: the outlet of mechanical biological joint pretreatment unit percolate is communicated with leachate equalization basin, the leachate equalization basin outlet divides three the tunnel, be communicated with mechanical biological joint pretreatment unit, biological filter deodorizing device and low-temperature multi-effect vaporising device respectively, the low-temperature multi-effect vaporising device is communicated with the burning unit.
CN2009200125158U 2009-03-27 2009-03-27 Household garbage incineration system based on mechanical and biological combined pretreatment CN201500671U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200125158U CN201500671U (en) 2009-03-27 2009-03-27 Household garbage incineration system based on mechanical and biological combined pretreatment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200125158U CN201500671U (en) 2009-03-27 2009-03-27 Household garbage incineration system based on mechanical and biological combined pretreatment

Publications (1)

Publication Number Publication Date
CN201500671U true CN201500671U (en) 2010-06-09

Family

ID=42451613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200125158U CN201500671U (en) 2009-03-27 2009-03-27 Household garbage incineration system based on mechanical and biological combined pretreatment

Country Status (1)

Country Link
CN (1) CN201500671U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102430559A (en) * 2011-09-29 2012-05-02 湖南现代威保特环保科技有限公司 Municipal solid waste comprehensive treatment technology
CN102734801A (en) * 2012-07-20 2012-10-17 天津德为环保工程设备有限公司 High-efficiency burning heat-supply system for municipal solid wastes
CN103418599A (en) * 2013-07-20 2013-12-04 大连理工大学 Method for circulating and processing sewage through mechanical screen and rotting garbage in pits
CN105945028A (en) * 2015-08-18 2016-09-21 于继林 Domestic garbage incineration, regeneration and utilization process
CN106247339A (en) * 2016-08-24 2016-12-21 覃嘉雯 A kind of application of city life garbage secondary utilizes CIU
CN106287738A (en) * 2016-08-24 2017-01-04 覃嘉雯 Application of city life garbage CIU
CN106338065A (en) * 2016-08-24 2017-01-18 覃嘉雯 Efficient incineration system for urban household garbage
CN106439833A (en) * 2016-11-21 2017-02-22 湖南新九方科技有限公司 High-temperature oxidation treatment system for household garbage obtained after destructive distillation gasification and application method of high-temperature oxidization treatment system
CN108285373A (en) * 2018-03-21 2018-07-17 大连理工大学 Exempt from airborne dust independent ambulation formula turning machine in a kind of slot

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102430559A (en) * 2011-09-29 2012-05-02 湖南现代威保特环保科技有限公司 Municipal solid waste comprehensive treatment technology
CN102734801A (en) * 2012-07-20 2012-10-17 天津德为环保工程设备有限公司 High-efficiency burning heat-supply system for municipal solid wastes
CN103418599A (en) * 2013-07-20 2013-12-04 大连理工大学 Method for circulating and processing sewage through mechanical screen and rotting garbage in pits
CN103418599B (en) * 2013-07-20 2015-03-11 大连理工大学 Method for circulating and processing sewage through mechanical screen and rotting garbage in pits
CN105945028A (en) * 2015-08-18 2016-09-21 于继林 Domestic garbage incineration, regeneration and utilization process
CN105945028B (en) * 2015-08-18 2018-05-01 于继林 Consumer waste incineration regeneration technique
CN106247339A (en) * 2016-08-24 2016-12-21 覃嘉雯 A kind of application of city life garbage secondary utilizes CIU
CN106287738A (en) * 2016-08-24 2017-01-04 覃嘉雯 Application of city life garbage CIU
CN106338065A (en) * 2016-08-24 2017-01-18 覃嘉雯 Efficient incineration system for urban household garbage
CN106439833A (en) * 2016-11-21 2017-02-22 湖南新九方科技有限公司 High-temperature oxidation treatment system for household garbage obtained after destructive distillation gasification and application method of high-temperature oxidization treatment system
CN106439833B (en) * 2016-11-21 2019-05-03 湖南新九方科技有限公司 The disposal system and its application method of high-temperature oxydation after house refuse destructive gasifying
CN108285373A (en) * 2018-03-21 2018-07-17 大连理工大学 Exempt from airborne dust independent ambulation formula turning machine in a kind of slot

Similar Documents

Publication Publication Date Title
Yang et al. Greenhouse gas emissions from MSW incineration in China: Impacts of waste characteristics and energy recovery
Ghosh et al. Pilot-scale gasification of municipal solid wastes by high-rate and two-phase anaerobic digestion (TPAD)
CN203791331U (en) System for synergistic treatment of municipal domestic waste in cement kiln
CN101314163B (en) Reclamation processing method for poor garbage
CN101618392B (en) Technological method of comprehensive utilization of separation and pyrolysis treatment of garbage
CN103934253B (en) Household garbage complete recycling harmless comprehensive processing method
CN101713304B (en) Method for cycle power generation by carrying out wet decomposition pretreatment, dry distillation and gasification on domestic garbage
CN201659136U (en) Domestic garbage and organic waste gasifying-liquefying treatment system
Anjum et al. Solid waste management in Saudi Arabia
US9776224B2 (en) Method of utilizing refuses in urban and rural
CN1178757C (en) Fast and economic comprehensive city domestic refuse treating method
CN100381352C (en) Method and device for plasma producing hydrogen by using garbage biomass and water as raw material
CN104607440B (en) A kind of based on biological dewatered life refuse processing method
CN105855275A (en) Method for processing sludge and kitchen wastes
CN101215488B (en) Organic garbage and sludge mixed solid fuel and preparation method thereof
CN102249508B (en) Method for comprehensively utilizing sludge in recycling mode
CN202283543U (en) Innocent and recycling treatment system for municipal domestic garbage
CN103934254B (en) A kind of system and method for cement kiln associated treatment domestic waste
CN101879517B (en) Method for processing utensil rubbish by Chrysomya megacephala maggot and material formula
CN204974692U (en) Rural domestic waste selects separately degradation equipment
CN102808000B (en) Recycling grading utilization and carbon sequestration treatment method for municipal solid waste
CN204544958U (en) Cement rotary kiln associated treatment house refuse and energy comprehensive utilization system
CN101844940A (en) Domestic organic food waste treatment method and treatment equipment
CN102504843B (en) Heat accumulation type fuel gas radiation pipe rotary hearth furnace domestic garbage dry distillation method
CN101844859B (en) Complete steam low-temperature thermally tempering and drying device and method for sludge

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100609

Termination date: 20170327