CN101376133A - Reutilization method of domestic rubbish in city - Google Patents
Reutilization method of domestic rubbish in city Download PDFInfo
- Publication number
- CN101376133A CN101376133A CNA2008101398824A CN200810139882A CN101376133A CN 101376133 A CN101376133 A CN 101376133A CN A2008101398824 A CNA2008101398824 A CN A2008101398824A CN 200810139882 A CN200810139882 A CN 200810139882A CN 101376133 A CN101376133 A CN 101376133A
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- China
- Prior art keywords
- rubbish
- refuse
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- domestic waste
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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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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention discloses a method for recycling municipal refuse, which comprises the following steps: pretreatment: the refuse is delivered into a blade-type crusher with a spiral drum to be crushed, so as to form pre-products; classification and recycling: the pre-products are delivered into a mechanical separator taking circulating water as medium to produce A, B and C refuse of three types; and production of finished products comprises the steps as follows: a) the refuse of A type is crushed to be less than 8cm and dehydrated and dried, and then mixed with coal slime containing 30 percent of coal according to the proportion of 1:1 to 1:3, so as to be processed to form fuel model blocks used as fuel of power plants; b) the refuse of B type is crushed to the size of particles of brick making additives or road bed fillers, so as to be used for making bricks or being the road bed filler; c) the refuse of C type is mixed with the refuse of A type to be formed or directly used as organic fertilizer. The invention provides the recycling method which can effectively classify and utilize the municipal household refuse.
Description
(1) technical field
The present invention relates to a kind of recoverying and utilizing method of municipal refuse, particularly, relate to a kind of employing mechanical separation equipment and domestic waste is divided into has multiclass rubbish of different nature, the method for utilizing according to the character of all kinds of rubbish then.
(2) background technology
China's domestic waste is annual to produce nearly 1.6 hundred million tons, and annual with 7～9% speed increments, and the present then processing for domestic waste also is limited to the most original landfill and burning method, and composting process.These methods are because of being subjected to the restriction of various factors, and the rubbish in present most cities is to be deposited in together basically, has polluted air greatly, if run into rainy day, the water that flows out from rubbish heap can pollute wider city again.
Wherein landfill method be a kind of employing relatively early, and use wider method now, but the rubbish behind the landfill may polluted underground water, and the part that can recycle in the rubbish can't be recycled.Importantly, though at present individually can be rubbish is inserted pit or mine, can only dig pit on vacant lot and carry out garbage loading embeading in most of places, and this will certainly take a large amount of land resource, the country that this is had a large population and a few land for us, garbage loading embeading is infeasible basically.
For burning method, be that at first the organic waste that China's municipal refuse majority contains is less, according to statistics, its mean calorie is lower than 600kcal/kg, is not enough to reach the purpose of burning.Though some municipal refuse can be subdued by burning, but incineration firing is normally inadequate, and its dense smoke of being discharged of burning often carries a large amount of severe toxicity and harmful material, severe contamination environment.
As for saying composting process, can its key be and rationally classify to domestic waste, but regrettably, composting process mainly is directly domestic waste to be carried out compost at present, this mode, at first be that the contained organic waste of municipal refuse is few, and this organic waste comprise a large amount of nondegradable plastics; Besides, comprise the thing that contains a large amount of harmful materials such as battery, circuit board etc. in the domestic waste, composting process will inevitably make these harmful substances finally enter human body along with the carrying out of agricultural production; At last, composting process is wanted a large amount of land occupations, and as mentioned above, the present land resource scarcity of China, this method are not suitable for China and use.
Above-mentioned three kinds of methods limitation is also it mainly is how to handle domestic waste, even if still difficult in this, has let alone the problem of solution garbage reclamation utilization.
(3) summary of the invention
The present invention is for the defective that overcomes above-mentioned traditional cities life refuse processing method and the problem of existence, and proposed a kind of domestic waste effectively to be classified, and the recoverying and utilizing method of the domestic waste that is used.
For achieving the above object, the present invention is by the following technical solutions:
The recoverying and utilizing method of this invention domestic waste, this method may further comprise the steps:
1) preliminary treatment: rubbish is sent into pulverizing formation pre-product in the blade type helix drum disintegrating machine;
2) classification is reclaimed: above-mentioned pre-product is sent into to follow mechanical seperator generation A, B, the C three class rubbish that bad water is medium, here category-A rubbish is represented solid organic matters, category-B rubbish is represented the solid inorganic thing, C class rubbish is represented the suspension in the described recirculated water medium, separates from water after precipitation, dehydration and press filtration;
3) make finished product: it comprises a) described category-A refuse breaking to 8cm, becomes the fuel type piece with the coal slime that contains 30% coal in the ratio hybrid process of 1:1～1.3 behind dewatered drying, as the fuel in power plant; B) described category-B rubbish is ground into brickmaking additive or roadbed filler particle size, is used as brickmaking or does roadbed filling; C) with described C class rubbish and described category-A rubbish kneading and compacting or directly as organic fertilizer.
The preferred described a) step of the inventive method may further comprise the steps, and sends in the pulverizer after the category-A garbage dewatering oven dry of at first mechanical seperator being separated and pulverizes, and mixes coal slime then and stirs at mixer, send make-up machine addition fuel type piece afterwards.
The inventive method preferred described and moisture comprise in the step of C class rubbish to be sent both mixtures into large-scale sewage jar and precipitates, and taking precipitate send filter press to isolate C class rubbish.
The preferred described recirculated water of the inventive method precipitates through sedimentation basin after having separated A, B, C three class rubbish again, gets upper water and sends into mechanical seperator and utilize.
The recoverying and utilizing method of domestic waste of the present invention utilizes organic waste different with inorganic refuse proportion, goes out organic waste and inorganic refuse with water for the medium sub-argument.Comprise the bigger bulky refuse of a large amount of individualities in the domestic waste, pulverize so at first it is sent in the pulverizer, the inorganic refuse that this process can also comprise some cavity body structure carries out fragmentation, thereby its whole proportion and organic waste are distinguished.To send into to follow bad water through the pre-product of pulverizing be that the mechanical seperator of medium produces A, B, C three class rubbish according to buoyancy of water with above-mentioned then, here category-A rubbish is represented solid organic matters, category-B rubbish is represented the solid inorganic thing, C class rubbish is represented the suspension in the described recirculated water medium, separates from water after precipitation, dehydration and press filtration.Have after the rubbish of different nature in case separate, just can classified use.Treat these rubbish thereby can have with distinguishing, domestic waste all can be recycled.Wherein the important point is, with described category-A refuse breaking to 8cm, behind dewatered drying with contain of the ratio hybrid process moulding of the coal slime of 30% coal in 1:1～1.3, fuel as the power plant, so both isolate organic waste, and can replace some fossil fuels again, saved the energy.
(4) specific embodiment
Specify method of the present invention below, present embodiment is a concrete scheme of the present invention, the present invention is not done concrete restriction.
Present embodiment may further comprise the steps:
1) preliminary treatment: rubbish is sent into pulverizing formation pre-product in the blade type helix drum disintegrating machine, and this step key is domestic waste is carried out effective fragmentation, is not limited to use the helix drum disintegrating machine, is that this disintegrating machine is broken step by step, is fit to production continuously;
2) classification is reclaimed: above-mentioned pre-product is sent into to follow mechanical seperator generation A, B, the C three class rubbish that bad water is medium, here category-A rubbish is represented solid organic matters, category-B rubbish is represented the solid inorganic thing, C class rubbish is represented the suspension in the described recirculated water medium, separates from water after precipitation, dehydration and press filtration;
3) make finished product: it comprises a) described category-A refuse breaking to 8cm, becomes the fuel type piece with the coal slime that contains 30% coal in the ratio hybrid process of 1:1 behind dewatered drying, as the fuel in power plant; B) described category-B rubbish is ground into brickmaking additive or roadbed filler particle size, is used as brickmaking or does roadbed filling; C) with described C class rubbish and described category-A rubbish kneading and compacting or directly as organic fertilizer.
Described a) the step may further comprise the steps, send in the pulverizer after the category-A garbage dewatering oven dry of at first mechanical seperator being separated and pulverize, mix coal slime then and stir, send make-up machine fabricate fuel type piece afterwards, so that the organic waste in the domestic waste is utilized at mixer.Particle after the pulverizing wherein should approach powdery, is beneficial to and the mixing of coal slime, and is beneficial to the machine-shaping of make-up machine, the interlayer piece can not occur.
Described and moisture comprise in the step of C class rubbish to be sent both mixtures into large-scale sewage jar and precipitates, and taking precipitate send filter press to isolate C class rubbish.
Described recirculated water precipitates through sedimentation basin after having separated A, B, C three class rubbish again, gets upper water and sends into mechanical seperator and utilize, to solve the problem of shortage of water resources.And present embodiment is not high to the purity requirement of water, can satisfy the requirement of mechanical seperator through the water of post precipitation.
Consider that in addition various material calorific values are different in the organic waste, the category-A rubbish of being separated and the mixed proportion of coal slime are mainly considered mixed moulding problem, and its ratio is also not strict especially, and both mixed proportions are higher in the 1:1.3 strength ratio, are suitable for transportation.
Claims (4)
1. the recoverying and utilizing method of a domestic waste, it is characterized in that: this method may further comprise the steps:
1) preliminary treatment: rubbish is sent into pulverizing formation pre-product in the blade type helix drum disintegrating machine;
2) classification is reclaimed: above-mentioned pre-product is sent into to follow mechanical seperator generation A, B, the C three class rubbish that bad water is medium, here category-A rubbish is represented solid organic matters, category-B rubbish is represented the solid inorganic thing, C class rubbish is represented the suspension in the described recirculated water medium, separates from water after precipitation, dehydration and press filtration;
3) make finished product: it comprises a) described category-A refuse breaking to 8cm, becomes the fuel type piece with the coal slime that contains 30% coal in the ratio hybrid process of 1:1～1.3 behind dewatered drying, as the fuel in power plant; B) described category-B rubbish is ground into brickmaking additive or roadbed filler particle size, is used as brickmaking or does roadbed filling; C) with described C class rubbish and described category-A rubbish kneading and compacting or directly as organic fertilizer.
2. the recoverying and utilizing method of domestic waste according to claim 1, it is characterized in that: the described a) step may further comprise the steps, send in the pulverizer after the category-A garbage dewatering oven dry of at first mechanical seperator being separated and pulverize, mix coal slime then and stir, send make-up machine fabricate fuel type piece afterwards at mixer.
3. the recoverying and utilizing method of domestic waste according to claim 1 is characterized in that: described and moisture comprise in the step of C class rubbish to be sent both mixtures into large-scale sewage jar and precipitates, and taking precipitate send filter press to isolate C class rubbish.
4. according to the recoverying and utilizing method of the described domestic waste of one of claim 1 to 3, it is characterized in that: described recirculated water precipitates through sedimentation basin after having separated A, B, C three class rubbish again, gets upper water and sends into mechanical seperator and utilize.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101398824A CN101376133A (en) | 2008-09-22 | 2008-09-22 | Reutilization method of domestic rubbish in city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101398824A CN101376133A (en) | 2008-09-22 | 2008-09-22 | Reutilization method of domestic rubbish in city |
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| Publication Number | Publication Date |
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| CN101376133A true CN101376133A (en) | 2009-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008101398824A Pending CN101376133A (en) | 2008-09-22 | 2008-09-22 | Reutilization method of domestic rubbish in city |
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| CN (1) | CN101376133A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993753A (en) * | 2010-12-03 | 2011-03-30 | 吉林省明泰再生能源有限公司 | Method and device for producing environment-friendly synthetic coals |
| CN102627951A (en) * | 2012-04-23 | 2012-08-08 | 天津理工大学 | Method for preparing special covering agent for domestic garbage |
| CN103204671A (en) * | 2013-04-07 | 2013-07-17 | 任荣 | Method for manufacturing sintered bricks by using kitchen waste and sintered brick material composition |
| CN104128356A (en) * | 2014-07-29 | 2014-11-05 | 湖南万容科技股份有限公司 | Cooperative treatment and application of emulsification waste liquid sludge and waste and old circuit board nonmetallic powder |
| CN105755909A (en) * | 2014-12-17 | 2016-07-13 | 刘庆国 | Method using building garbage to produce railway roadbed filling material |
| CN105784476A (en) * | 2014-12-17 | 2016-07-20 | 刘庆国 | Method for testing liquid-plastic limits of railroad bed filling materials produced from construction wastes |
| CN106111668A (en) * | 2016-06-29 | 2016-11-16 | 厦门中环碧海环保科技有限公司 | A kind of residents in rural community distribution process resource electrification technique as well as |
| CN108117290A (en) * | 2017-12-26 | 2018-06-05 | 中城绿建科技有限公司 | Building castoff recycling recycles method of disposal |
| CN109759202A (en) * | 2019-01-29 | 2019-05-17 | 浙江其奋环境科技有限公司 | A kind of house refuse recycling processing system |
| CN111151551A (en) * | 2018-11-07 | 2020-05-15 | 郑明仁 | Steel charcoal produced by washing garbage |
-
2008
- 2008-09-22 CN CNA2008101398824A patent/CN101376133A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993753A (en) * | 2010-12-03 | 2011-03-30 | 吉林省明泰再生能源有限公司 | Method and device for producing environment-friendly synthetic coals |
| CN102627951A (en) * | 2012-04-23 | 2012-08-08 | 天津理工大学 | Method for preparing special covering agent for domestic garbage |
| CN103204671A (en) * | 2013-04-07 | 2013-07-17 | 任荣 | Method for manufacturing sintered bricks by using kitchen waste and sintered brick material composition |
| CN103204671B (en) * | 2013-04-07 | 2015-01-21 | 任荣 | Method for manufacturing sintered bricks by using kitchen waste and sintered brick material composition |
| CN104128356A (en) * | 2014-07-29 | 2014-11-05 | 湖南万容科技股份有限公司 | Cooperative treatment and application of emulsification waste liquid sludge and waste and old circuit board nonmetallic powder |
| CN105755909A (en) * | 2014-12-17 | 2016-07-13 | 刘庆国 | Method using building garbage to produce railway roadbed filling material |
| CN105784476A (en) * | 2014-12-17 | 2016-07-20 | 刘庆国 | Method for testing liquid-plastic limits of railroad bed filling materials produced from construction wastes |
| CN106111668A (en) * | 2016-06-29 | 2016-11-16 | 厦门中环碧海环保科技有限公司 | A kind of residents in rural community distribution process resource electrification technique as well as |
| CN108117290A (en) * | 2017-12-26 | 2018-06-05 | 中城绿建科技有限公司 | Building castoff recycling recycles method of disposal |
| CN111151551A (en) * | 2018-11-07 | 2020-05-15 | 郑明仁 | Steel charcoal produced by washing garbage |
| CN109759202A (en) * | 2019-01-29 | 2019-05-17 | 浙江其奋环境科技有限公司 | A kind of house refuse recycling processing system |
| CN109759202B (en) * | 2019-01-29 | 2021-05-25 | 浙江其奋环境科技有限公司 | Domestic waste recycle processing system |
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Open date: 20090304 |