CN1416972A - Fast and economic comprehensive city domestic refuse treating method - Google Patents

Fast and economic comprehensive city domestic refuse treating method Download PDF

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Publication number
CN1416972A
CN1416972A CN 02147673 CN02147673A CN1416972A CN 1416972 A CN1416972 A CN 1416972A CN 02147673 CN02147673 CN 02147673 CN 02147673 A CN02147673 A CN 02147673A CN 1416972 A CN1416972 A CN 1416972A
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China
Prior art keywords
flue gas
incinerator
revolving drier
temperature flue
rubbish
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CN 02147673
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Chinese (zh)
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CN1178757C (en
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韩洪波
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韩洪波
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Priority to CNB02147673XA priority Critical patent/CN1178757C/en
Publication of CN1416972A publication Critical patent/CN1416972A/en
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Publication of CN1178757C publication Critical patent/CN1178757C/en

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Abstract

The present invention relates to a fast and economic city domestic refuse treating method. By means of mechanical separation, wind separation, magnetic separation and manual separation, the refuse is separated into inflammable matter, inorganic matter, metals and degradable organic matter. The inflammable matter is incinerated and the produced high-temperature flue gas is used in stoving the degradable organic matter; and the stoved degradable organic matter is incinerated or used in producing fertilizer. The inorganic matter may be used in producing building material.

Description

A kind of quick, economic municipal living refuse comprehensive treatment method

Affiliated technical field

The invention belongs to the municipal solid waste processing technology field, be applicable to the needs that different scales Urban Domestic Waste Comprehensive Treatment factory builds.

Background technology

As everyone knows, domestic waste is followed the human civilization progress and is produced, and along with the raising of living standards of the people, its quantity is also increasing rapidly, has become big public hazards.The way of handling domestic waste at present both at home and abroad mainly contains landfill method, burning method and composting process.

The landfill method floor space is big, must do antiseepage and handle, and also will build the methane recovery system and ooze drop liquid treatment plant, easily underground water and ambient air is polluted, and resource can not be recycled; For populous, China of cultivated land resource growing tension more and more is difficult to implement.

Burning method investment is big, and the working cost height contains the flying dust difficult treatment of dioxin and heavy metal, although and adopted very advanced and complicated purification system, still contain micro-De dioxin in the flue gas and enter atmosphere, polluting environment muchly; The domestic waste water content of China is big, and it is many to contain NaCl, and complicated component, calorific value are low, make the incineration firing temperature low, are easy to generate dioxin and HCl gas, cause environmental pollution and boiler corrosion.

The composting process floor space is big, the time is long, grows mosquitos and flies easily, distributes stench, is difficult to form scale operation; And the composting production nutrient is low, impurity is many, also contains objectionable impuritiess such as heavy metal, and soil and crop are polluted, and is difficult to promote the use of.

Garbage leachate is the high-concentration waste liquid that produces in the rubbish storing process, be characterized in polymer organic contamination substrate concentration height, ammonia-nitrogen content height, the concentration of heavy metal ion height of difficult degradation, outward appearance is Vandyke brown and even black, foul smelling, being difficult to carry out biochemical treatment, also is a difficult problem of refuse treatment.

Summary of the invention

Purpose of the present invention be exactly to develop a kind of less investment, take up an area of less, the time is short, running cost is low, the municipal living refuse comprehensive treatment method of non-secondary pollution, thorough reduction, resource utilization.

Technical process of the present invention: the domestic waste that cram packer ships is at first poured in the rubbish storage pond, with the driving grab bucket rubbish is grabbed then and deliver on the horizontal apron feeder, again through an inclination apron feeder, two platen formula feeding machines all are adjustable speeds, rubbish is evenly exported, the personnel selection work point picks Bulky Waste, remove bulk heavy rubbish through the spring sorting again, pass through bag-crusher then, trommel screen, selection by winnowing, the spring sorting, magnetic separation, manually pick up choosing, domestic waste is divided into the combustiblematerials part roughly, the inorganics part, metal part (containing battery), the easily biodegradable organics part; Easily biodegradable organics partly dropped in the revolving drier dry; To burn in the incinerator that combustiblematerials is partly sent into revolving drier inlet links to each other, the high-temperature flue gas of generation is directly contacted with easily biodegradable organics, with its oven dry by in the induced draft fan suction revolving drier; Easily biodegradable organics after the oven dry is partly sent into the incinerator burning disposal, also can be used for composting; Garbage leachate is injected revolving drier, and the heat that utilizes high-temperature flue gas is with its evaporate to dryness; But inorganics part and incineration residue landfill disposal or be used to make building materials; Metal is partly recycled; The oven dry tail gas that comes out from revolving drier is high altitude discharge after tornado dust collector, sack cleaner, deodorizer are handled.Inventive principle

Easily biodegradable organics part in the domestic waste mainly is the kitchen excess, the water ratio height, and perishable smelly, volume is big, and complicated component is the difficult point of Urban Domestic Waste Comprehensive Treatment; All be to consider in the past, but, mostly ended in failure because composting production finds no sale with its compost treatment.The present invention adopts the way of oven dry, and the easily biodegradable organics water ratio is reduced greatly, and volume reduces greatly, and calorific value significantly improves, and helps burning disposal, can also make its sterilization and deodorization; If be used for composting, also help very much screening and pulverizing.Combustiblematerials part and easily biodegradable organics partly pass through burning disposal, have realized minimizing completely and stabilization.

Owing to enter the fuel of incinerator all is to pass through sorting, and the calorific value height contains inorganics and metal is few, so just can make to keep higher temperature of combustion in the incinerator, burns thoroughly, and smoke pollution is little, and fire grate is not fragile yet.In order to guarantee not produce smoke pollution, in incinerator, be provided with dual firing chamber, wherein be provided with temperature control fuel oil (or gas) burner and secondary air feedway, guarantee that high-temperature flue gas keeps stopping 2 seconds more than 850 ℃ in dual firing chamber, reach national incinerator standard, can avoid the generation of dioxin.

Along with growth in the living standard, the combustible content in the domestic waste is more and more higher, because its complicated component is difficult to recycle, has only its burning disposal, utilizes its heat, is only economically viable method; The heat that produces is burned in method utilization of the present invention, with unmanageable garbage leachate evaporation, can save the expense of sewage disposal, is to kill two birds with one stone; The richness if heat is also had a surplus can ship the mud that the municipal sewage plant produces oven dry and handle.Advantage of the present invention

1. saved fermenting process, the treatment time shortens greatly, and floor space is also dwindled greatly.

2. directly utilize the heat of incineration flue gas, saved complicated and expensive equipment such as steam boiler, investment and running cost are reduced greatly, the operation stability of equipment and can handling also raising greatly.

3. simple in structure, cheap, reliable, the technology maturation of revolving drier.

Accompanying drawing is the schema of this technology.

Claims (5)

1. one kind fast, economic municipal living refuse comprehensive treatment method, it is characterized in that: the domestic waste that cram packer ships is at first poured in the rubbish storage pond, with the driving grab bucket rubbish is grabbed then and deliver on the horizontal apron feeder, again through an inclination apron feeder, two platen formula feeding machines all are adjustable speeds, rubbish is evenly exported, the personnel selection work point picks Bulky Waste, remove bulk heavy rubbish through the spring sorting again, pass through bag-crusher then, trommel screen, selection by winnowing, the spring sorting, magnetic separation, manually pick up choosing, domestic waste is divided into the combustiblematerials part roughly, the inorganics part, metal part (containing battery), the easily biodegradable organics part; Easily biodegradable organics partly dropped in the revolving drier dry; To burn in the incinerator that combustiblematerials is partly sent into revolving drier inlet links to each other, the high-temperature flue gas of generation is directly contacted with easily biodegradable organics, with its oven dry by in the induced draft fan suction revolving drier; But inorganics part and incineration residue landfill disposal or be used to make building materials; Metal is partly recycled; The oven dry tail gas that comes out from revolving drier is high altitude discharge after tornado dust collector, sack cleaner, deodorizer are handled.
2. integrated conduct method according to claim 1 is characterized in that: the easily biodegradable organics after will drying is partly sent into described incinerator burning disposal, also can be used for composting.
3. integrated conduct method according to claim 1 is characterized in that: garbage leachate is injected described revolving drier, and the heat that utilizes high-temperature flue gas is with its evaporate to dryness.
4. integrated conduct method according to claim 1 is characterized in that: the richness if the burning heat is had a surplus, the mud that the municipal sewage plant produces can be dropped in the described revolving drier, and utilize the heat of high-temperature flue gas that it is dried.
5. integrated conduct method according to claim 1, it is characterized in that: be provided with dual firing chamber in the described incinerator, be provided with temperature control fuel oil (or gas) burner and secondary air feedway in the dual firing chamber, guarantee that high-temperature flue gas keeps stopping 2 seconds more than 850 ℃ in dual firing chamber, reach national incinerator standard.
CNB02147673XA 2002-10-11 2002-10-11 Fast and economic comprehensive city domestic refuse treating method CN1178757C (en)

Priority Applications (1)

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CNB02147673XA CN1178757C (en) 2002-10-11 2002-10-11 Fast and economic comprehensive city domestic refuse treating method

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Application Number Priority Date Filing Date Title
CNB02147673XA CN1178757C (en) 2002-10-11 2002-10-11 Fast and economic comprehensive city domestic refuse treating method

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CN1416972A true CN1416972A (en) 2003-05-14
CN1178757C CN1178757C (en) 2004-12-08

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100358608C (en) * 2004-12-29 2008-01-02 贵阳铝镁设计研究院 Smoke control technique in dry prodess by calcining petroleum coke
CN100462315C (en) * 2007-04-19 2009-02-18 浙江大学 Rubbish comprehensive processing method adapted for village and small town
CN101088639B (en) * 2007-01-29 2010-10-27 胡海珊 Household refuse treating separator
CN101884997A (en) * 2010-07-09 2010-11-17 深圳市兖能环保科技有限公司 Process for comprehensively treating garbage
CN102226108A (en) * 2011-05-04 2011-10-26 杨长银 System for converting domestic garbage and solid waste into combustible gas
CN102294340A (en) * 2011-07-04 2011-12-28 孙怀宇 Harmless treatment system for city refuse burning, and method thereof
CN103008331A (en) * 2012-12-18 2013-04-03 北京华福环境工程科技有限公司 Resource treatment method for household garbage and biochemical sludge
CN103286114A (en) * 2013-03-29 2013-09-11 高翁斌 An ecological resource recycling process for garbage from farmers markets and kitchens
CN103537470A (en) * 2012-07-10 2014-01-29 上海逸清环保工程设备有限公司 Solid waste purifying and recycling system
CN104690070A (en) * 2015-02-14 2015-06-10 溧阳市超强链条制造有限公司 Treatment method of municipal domestic waste
CN104690063A (en) * 2015-01-05 2015-06-10 桑德环境资源股份有限公司 Crushing and sorting method of domestic garbage
CN106111670A (en) * 2016-07-11 2016-11-16 启迪桑德环境资源股份有限公司 One way of life waste incineration and generating electricity preprocess method and system
CN109078964A (en) * 2018-09-17 2018-12-25 东莞理工学院 A kind of Changing Urban Garbage into Resources processing method
CN109335693A (en) * 2018-10-22 2019-02-15 东莞理工学院 A kind of method that municipal refuse pneumatic pipe receives fortune and classification

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101392910B (en) * 2007-09-18 2010-06-23 陈叶华 House refuse treatment method for city
CN101949543B (en) * 2010-09-17 2012-04-25 杨长银 Household garbage treatment system

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100358608C (en) * 2004-12-29 2008-01-02 贵阳铝镁设计研究院 Smoke control technique in dry prodess by calcining petroleum coke
CN101088639B (en) * 2007-01-29 2010-10-27 胡海珊 Household refuse treating separator
CN100462315C (en) * 2007-04-19 2009-02-18 浙江大学 Rubbish comprehensive processing method adapted for village and small town
CN101884997A (en) * 2010-07-09 2010-11-17 深圳市兖能环保科技有限公司 Process for comprehensively treating garbage
CN101884997B (en) * 2010-07-09 2013-10-30 深圳市兖能环保科技有限公司 Process for comprehensively treating garbage
CN102226108A (en) * 2011-05-04 2011-10-26 杨长银 System for converting domestic garbage and solid waste into combustible gas
CN102226108B (en) * 2011-05-04 2013-10-09 杨长银 System for converting domestic garbage and solid waste into combustible gas
CN102294340B (en) * 2011-07-04 2013-07-24 李东国 Harmless treatment system for city refuse burning, and method thereof
CN102294340A (en) * 2011-07-04 2011-12-28 孙怀宇 Harmless treatment system for city refuse burning, and method thereof
CN103537470A (en) * 2012-07-10 2014-01-29 上海逸清环保工程设备有限公司 Solid waste purifying and recycling system
CN103008331B (en) * 2012-12-18 2015-10-28 北京神雾环境能源科技集团股份有限公司 The recycling processing method of one way of life rubbish and biochemical sludge
CN103008331A (en) * 2012-12-18 2013-04-03 北京华福环境工程科技有限公司 Resource treatment method for household garbage and biochemical sludge
CN103286114A (en) * 2013-03-29 2013-09-11 高翁斌 An ecological resource recycling process for garbage from farmers markets and kitchens
CN104690063A (en) * 2015-01-05 2015-06-10 桑德环境资源股份有限公司 Crushing and sorting method of domestic garbage
CN104690070A (en) * 2015-02-14 2015-06-10 溧阳市超强链条制造有限公司 Treatment method of municipal domestic waste
CN106111670A (en) * 2016-07-11 2016-11-16 启迪桑德环境资源股份有限公司 One way of life waste incineration and generating electricity preprocess method and system
CN109078964A (en) * 2018-09-17 2018-12-25 东莞理工学院 A kind of Changing Urban Garbage into Resources processing method
CN109335693A (en) * 2018-10-22 2019-02-15 东莞理工学院 A kind of method that municipal refuse pneumatic pipe receives fortune and classification

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