CN104059712B - A kind of recycling processing method of flammable solid discarded object - Google Patents
A kind of recycling processing method of flammable solid discarded object Download PDFInfo
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- CN104059712B CN104059712B CN201410304383.1A CN201410304383A CN104059712B CN 104059712 B CN104059712 B CN 104059712B CN 201410304383 A CN201410304383 A CN 201410304383A CN 104059712 B CN104059712 B CN 104059712B
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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 recycling processing method that the invention discloses a kind of flammable solid discarded object, comprises the following steps: described house refuse is carried out to pretreatment, obtain the first fine crushing material; Described other flammable solid discarded object is carried out to pretreatment, obtain the second fine crushing material; Described the first fine crushing material, the second fine crushing material and adjuvant are mixed with certain proportion, obtain compound; Described compound is made on forming machine to the garbage derivatived fuel of reservation shape. The present invention proposes the recycling processing method of flammable solid discarded object, solved in the time processing house refuse and other flammable solid discarded object the problem that cost is high, burning facility has high input and environmental pollution is serious.
Description
Technical field
The present invention relates to garbage disposal field, relate in particular to a kind of recycling processing side of flammable solid discarded objectMethod.
Background technology
At present, along with World Economics high speed development, house refuse and other flammable solid discarded object are (for example flammableHazardous waste, sludge of sewage treatment plant, trade waste etc.) become human society and stablized sustainable developmentThe obstacle of exhibition, it is that pendulum is in face of the whole mankind that these discarded objects are disposed in how innoxious, resource, minimizingA difficult problem.
In the middle of the solid waste taking house refuse as representative, the overwhelming majority has combustibility, burns and reclaimsHeat is the minimizing that people are generally acknowledged, the best approach of disposal of resources, and people have adopted a kind of novel at presentThe method of processing house refuse, after series of preprocessing, make a kind of sustainable by house refuseNew forms of energy product--the garbage derivatived fuel (RDF) of regeneration, the garbage derivatived fuel heat of the type that processes from strandBe worth high and stable, homogeneous grain diameter, intensity is high, can preserve for a long time, be easy to packaging and transport, pollute little,To become one of following reproducible main fuel kind.
The method of at present processing the flammable solid discarded objects such as house refuse in burning mode is to discarded object warp mostlyAfter crossing simple process, drop into incinerator burning, heat energy is for generating; Or by discarded object through pretreatment, fermentation systemBecome biogas to generate electricity again; These modes except processing cost relatively high, burning facility has high input, discarded object fortuneDefeated with storage (particularly danger wastes) trouble, flying dust and tailings still need disposal (hazardous waste also needsTo dispose especially) outside, be mainly in Refuse Incineration Process, to have violent in toxicity dioxin to produce. Have again and be exactlyBy discarded object landfill, not only can not recycle, and environmental pollution is very serious.
Summary of the invention
In order to solve the technical problem existing in background technology, the present invention proposes a kind of flammable solid discarded objectRecycling processing method, to solve in the time processing the flammable solid discarded object such as house refuse, cost is high, burnBurn the problem that equipment investment is large and environmental pollution is serious.
The present invention proposes a kind of recycling processing method of flammable solid discarded object, described flammable solid discarded objectComprise house refuse and other flammable solid discarded object, described other flammable solid discarded object comprises resource regenerationAt least one in the industrial residu of process, flammable trade waste and hazardous waste, described recycling placeReason method comprises the following steps:
Step 1: described house refuse is carried out to pretreatment, obtain the first fine crushing material;
Step 2: described other flammable solid discarded object is carried out to pretreatment, obtain the second fine crushing material;
Step 3: described the first fine crushing material, the second fine crushing material and adjuvant are mixed with certain proportion,Obtain compound;
Step 4: the garbage derivatived fuel of described compound being made on forming machine to reservation shape.
Further, in step 1, described house refuse is carried out to pretreated step and comprises successively:
By house refuse extrusion dehydration;
House refuse after dehydration is carried out to coarse crushing;
House refuse after coarse crushing is carried out to selection by winnowing one time, obtain light thing and weight;
Light thing is carried out to fine crushing;
Weight is carried out to magnetic separation, the weight after magnetic separation is carried out to fine crushing;
Weight after fine crushing is carried out to secondary selection by winnowing, to the first magnetic separation of weight after secondary selection by winnowing, after shakeMoving selection by winnowing; Secondary selection by winnowing and vibration winnowing light thing out mixes with a light thing of selection by winnowing after above-mentioned fine crushing,Obtain the first fine crushing material;
The first fine crushing material is carried out to the aerobic fermentation of the scheduled time.
Further, described house refuse being carried out to pretreated step also comprises: to after aerobic fermentationOne fine crushing material carries out biological deodorizing processing.
Further, the first fine crushing material is carried out after aerobic fermentation to the water content of described the first fine crushing materialBe down to below 30%.
Further, described house refuse being carried out to pretreated step also comprises: by described vibration winnowing weightThing is as construction material or carry out landfill disposal.
Further, in step 2, described other flammable solid discarded object is carried out to pretreated step bagDraw together:
First, described other flammable solid discarded object is carried out to sorting, reject metal and inorganic matter;
Then, other flammable solid discarded object after sorting is carried out to fine crushing, obtain described the second chipMaterial.
Further, in step 3, according to mass percent, described the first fine crushing material accounts for 65%-85%,The second fine crushing material accounts for 15%-35%, and adjuvant accounts for the first fine crushing material and the second fine crushing material summation2％-15％。
Further, described adjuvant comprises at least one in combustion adjuvant, binding agent and pollutant inhibitor.
Further, described pollutant inhibitor comprises CaO powder.
A kind of recycling processing method of flammable solid discarded object that the present invention proposes, by house refuse and otherFlammable solid discarded object carries out integrated treatment, not only makes discarded object obtain cycling and reutilization, and utilizes rawThe rubbish of living waters down the content of beary metal in other flammable solid discarded object, utilizes not chloride (or chloride low), waterDivide other low flammable solid discarded object of content to water down chlorine and the moisture in house refuse, reduced processingCost, but also make the garbage derivatived fuel component made even, stable performance.
Brief description of the drawings
Fig. 1 is the technological process of the recycling processing method of flammable solid discarded object in the specific embodiment of the inventionFigure.
Detailed description of the invention
As shown in Figure 1, the invention provides a kind of recycling processing method of flammable solid discarded object, thisFlammable solid discarded object in bright refers to that house refuse and other flammable solid except house refuse are discardedThing, this other flammable solid discarded object comprise the industrial residu of resource regeneration process, flammable trade waste withAnd at least one in hazardous waste, wherein, the industrial residu of resource regeneration process comprises that useless automobile dismounting is residualNonmetal residue that foam residues, the waste electric products that slag, waste electrical equipment are disassembled disassembled, waste or used plastics,Mixing residue, the thing etc. that lands that the circular regeneration processes such as rubber produce, flammable trade waste comprises that paint is residualSlag, toner, oily sludge and wiping machine cloth etc., hazardous waste comprises that clinical waste, chemicals give upGurry and heavy metal discarded object etc.; The object of the invention is to house refuse and other flammable solid discarded objectCarry out integrated treatment, not only make discarded object obtain cycling and reutilization, and utilize house refuse to water down otherContent of beary metal in flammable solid discarded object, utilizes low other of not chloride (or chloride low), moistureFlammable solid discarded object waters down chlorine and the moisture in house refuse, has reduced processing cost, but also has madeThe garbage derivatived fuel component that must make is even, stable performance.
Embodiment 1:
S10: by house refuse extrusion dehydration: house refuse is pushed with extrusion equipment, its moisture is fallenTo 40% left and right, the percolate squeezing out is processed rear discharge up to standard in addition;
S11: extruding is removed to the house refuse coarse crushing after percolate, for example, be broken into particle diameter and be less than 120mmFragment;
S12: the house refuse after coarse crushing is carried out to selection by winnowing one time, house refuse is divided into light thing and weight twoPart;
S13: by direct light thing fine crushing to 20mm;
S14: selection by winnowing weight is rejected after metallic iron fine crushing below 20mm through magnetic separation;
S15: selection by winnowing weight in small, broken bits is carried out to secondary selection by winnowing, and secondary selection by winnowing weight carries out again after magnetic separationVibration winnowing, the weight of vibration winnowing is inorganic matter (inert material);
S16: the light thing after the light thing of vibration winnowing, the light thing of secondary selection by winnowing and selection by winnowing and fine crushing mix willTo the first fine crushing material;
S17: fine crushing material is carried out to the micro-secondary aerobic fermentation under 10-15 days enclosed environments, by material waterDivide and be down to below 30%;
S18: the foul smell that carries out pretreated workshop and fermentation field is carried out to biological deodorizing;
S19: the inorganic matter (sandstone, cement, glass, pottery etc.) that sorting in step S15 is rejected is filled outBury process or as construction material;
S20: first abandoned car is disassembled to residue (ASR) and carry out sorting, reject metal and inorganic matter; ThenAbandoned car after sorting is disassembled to residue (ASR) and carry out fine crushing below 20mm, obtain second in small, broken bitsMaterial;
S30: component mixture, by the first fine crushing material 70% (mass percent) after fermentation, sorting, thinAbandoned car after broken is disassembled residue (ASR) 25%, and CaO powder and potassium permanganate 5% mixes;
S40: by the material compression packing mixing, briquet, or make RDF product with RDF forming machine.
Embodiment 2:
S10: by house refuse extrusion dehydration: house refuse is pushed with extrusion equipment, its moisture is fallenTo 40% left and right, the percolate squeezing out is processed rear discharge up to standard in addition;
S11: extruding is removed to the house refuse coarse crushing after percolate, for example, be broken into particle diameter and be less than 120mmFragment;
S12: the house refuse after coarse crushing is carried out to selection by winnowing one time, house refuse is divided into light thing and weight twoPart;
S13: by direct light thing fine crushing to 20mm;
S14: selection by winnowing weight is rejected after metallic iron fine crushing below 20mm through magnetic separation;
S15: selection by winnowing weight in small, broken bits is carried out to secondary selection by winnowing, and secondary selection by winnowing weight carries out again after magnetic separationVibration winnowing, the weight of vibration winnowing is inorganic matter (inert material);
S16: the light thing after the light thing of vibration winnowing, the light thing of secondary selection by winnowing and selection by winnowing and fine crushing mix willTo the first fine crushing material;
S17: fine crushing material is carried out to the micro-secondary aerobic fermentation under 10-15 days enclosed environments, by material waterDivide and be down to below 30%;
S18: the foul smell that carries out pretreated workshop and fermentation field is carried out to biological deodorizing;
S19: the inorganic matter (sandstone, cement, glass, pottery etc.) that sorting in step S15 is rejected is filled outBury process or as construction material;
S20: the non-metal powder that wiring board is reclaimed carries out sorting, rejects metal, obtains the second fine crushing material;
S30: component mixture, by the first fine crushing material 80% (mass percent) after fermentation, wiring board returnsThe non-metal powder 17% of receiving, CaO powder and potassium permanganate 3% mixes;
S40: by the material compression packing mixing, briquet, or make RDF product with RDF forming machine.
Embodiment 3
S10: by house refuse extrusion dehydration: house refuse is pushed with extrusion equipment, its moisture is fallenTo 40% left and right, the percolate squeezing out is processed rear discharge up to standard in addition;
S11: extruding is removed to the house refuse coarse crushing after percolate, for example, be broken into particle diameter and be less than 120mmFragment;
S12: the house refuse after coarse crushing is carried out to selection by winnowing one time, house refuse is divided into light thing and weight twoPart;
S13: by direct light thing fine crushing to 20mm;
S14: selection by winnowing weight is rejected after metallic iron fine crushing below 20mm through magnetic separation;
S15: selection by winnowing weight in small, broken bits is carried out to secondary selection by winnowing, and secondary selection by winnowing weight carries out again after magnetic separationVibration winnowing, the weight of vibration winnowing is inorganic matter (inert material);
S16: the light thing after the light thing of vibration winnowing, the light thing of secondary selection by winnowing and selection by winnowing and fine crushing mix willTo the first fine crushing material;
S17: fine crushing material is carried out to the micro-secondary aerobic fermentation under 10-15 days enclosed environments, by material waterDivide and be down to below 30%;
S18: the foul smell that carries out pretreated workshop and fermentation field is carried out to biological deodorizing;
S19: the inorganic matter (sandstone, cement, glass, pottery etc.) that sorting in step S15 is rejected is filled outBury process or as construction material;
S20: the polyurethane foam powder that the assorted plastics of mixing that wiring board is reclaimed and refrigerator are disassembled recovery dividesChoosing, rejects metal, obtains the second fine crushing material;
S30: component mixture, by the first fine crushing material 80% (mass percent) after fermentation, sorting, brokenThe refrigerator of the assorted plastics 10%, 6% of mixing after broken is disassembled the polyurethane foam powder of recovery, CaO powder and permanganic acidPotassium 4% mixes;
S40: by the material compression packing mixing, briquet, or make RDF product with RDF forming machine.
It should be noted that, in the time that the first fine crushing material, the second fine crushing material and adjuvant are mixed,Three's mixed proportion can be determined according to actual conditions, for example can be according to characteristic (its of the second fine crushing materialThe content of heavy metal in its flammable solid discarded object) and determine, also can be (raw according to the characteristic of the first fine crushing materialWater content or the chlorinty of rubbish alive) and determine, total prerequisite is As soon as possible Promising Policy environmental requirement, accomplishes to produceGarbage derivatived fuel burning after stain few, and heat energy is high.
Adjuvant in the present invention is except calcium oxide, also just like potassium permanganate class combustion adjuvant, polyvinyl alcoholBinding agent etc. Chlorion is changed into calcium chloride by calcium oxide, is deposited in incineration residue, thereby reduces evenRemove the nuisance such as dioxin in tail gas completely; The effect of potassium permanganate is combustion-supporting, utilizes potassium permanganate preheatingDecompose the performance auxiliary combustion of emitting oxygen, impel RDF burning completely, the interpolation of potassium permanganate can basisThe final form of RDF is determined, if RDF is compressed format in bulk, can is added less or not add, if RDF isHot pressing bulk or the higher form of granular isodensity, can add on a small quantity, for example, be less than or equal to 0.5%, for complying withDepended on pressure, heating etc. can not moulding material, need to add and not affect RDF combustibility as polyvinyl alcohol,Do not increase pollution, the auxiliary RDF moulding of binding agent that price is lower. The using method of binding agent is specially: willPolyvinyl alcohol (PVA) is made solution be dissolved in boiling water under stirring condition in, according to weight of material 5%-15%Ratio add material to stir, pack the material stirring into mould that certain size requires, add suitableWork as pressure forming, treat that moisture evaporation obtains solid RDF particle
The recycling processing method of flammable solid discarded object of the present invention and current household garbage preprocessing process,Compare with industrial solid castoff disposal technology, the present invention has following beneficial effect:
1, simple to the pretreated process of house refuse, pretreatment energy consumption is low, does not need artificial participation; In advanceThe object of processing is to reject metal component and inorganic non-combustible component, uses its comhustible component, makes material component,Mainly water satisfied RDF moulding and instructions for use;
2, this technique by sorting, house refuse after in small, broken bits after aerobic fermentation after a while, by moistureBe reduced to below 30%, then pass through other flammable solid discarded object, the adjuvant lower with other moistureDeng mixing, material moisture can further be reduced to the requirement that meets RDF moulding and burning, has removed energy consumption fromHigher drying course, whole sweat carries out in sealing, micro-two secondary environments, biological deodorizing is set clearExcept the stink of sweat.
3, this technique arranges special material mixture process, according to RDF instructions for use add part adjuvant withReach the discarded object that solidifies dangerous component, auxiliary combustion, contaminant restraining discharge, assists to dispose other formObject; Utilize not chloride (or chloride low), trade waste that moisture is low to water down in house refuseChlorine and moisture, utilize house refuse to water down the content of beary metal in trade waste, reaches and reduce pre-placeReason cost and guarantee RDF component are even, the object of stable performance.
4, the object of this technique is house refuse and other discarded object to be made to RDF jointly carry out recovery energy,RDF forming process technique is wherein different and different according to the final use of RDF from equipment.
It should be noted that this process is open, if needed, process can be added near-infrared sortingDevice carrys out sorting and is difficult to chloride group of recycling, obtains the green energy resource product without dioxin.
The above, be only preferably detailed description of the invention of the present invention, but not office of protection scope of the present inventionBe limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in, according to thisThe technical scheme of invention and inventive concept thereof are equal to replaces or changes, and all should be encompassed in protection of the present inventionWithin scope.
Claims (8)
1. a recycling processing method for flammable solid discarded object, is characterized in that, described flammable solid is uselessGurry comprises house refuse and other flammable solid discarded object, and described other flammable solid discarded object comprises resourceAt least one in the industrial residu of regenerative process, flammable trade waste and hazardous waste, described profit againComprise the following steps by processing method:
Step 1: described house refuse is carried out to pretreatment, obtain the first fine crushing material;
Step 2: described other flammable solid discarded object is carried out to pretreatment, obtain the second fine crushing material;
Step 3: described the first fine crushing material, the second fine crushing material and adjuvant are mixed with certain proportion,Obtain compound;
Step 4: the garbage derivatived fuel of described compound being made on forming machine to reservation shape;
In step 1, described house refuse is carried out to pretreated step and comprises successively:
By house refuse extrusion dehydration;
House refuse after dehydration is carried out to coarse crushing;
House refuse after coarse crushing is carried out to selection by winnowing one time, obtain light thing and weight;
Light thing is carried out to fine crushing;
Weight is carried out to magnetic separation, the weight after magnetic separation is carried out to fine crushing;
Weight after fine crushing is carried out to secondary selection by winnowing, to the first magnetic separation of weight after secondary selection by winnowing, after shakeMoving selection by winnowing; Secondary selection by winnowing and vibration winnowing light thing out mixes with a light thing of selection by winnowing after above-mentioned fine crushing,Obtain the first fine crushing material;
The first fine crushing material is carried out to the aerobic fermentation of the scheduled time.
2. the recycling processing method of flammable solid discarded object according to claim 1, is characterized in that,Described house refuse is carried out to pretreated step also to be comprised: the first fine crushing material after aerobic fermentation is carried outBiological deodorizing processing.
3. the recycling processing method of flammable solid discarded object according to claim 1, is characterized in that,The first fine crushing material is carried out after aerobic fermentation, and the water content of described the first fine crushing material is down to below 30%.
4. the recycling processing method of flammable solid discarded object according to claim 1, is characterized in that,Described house refuse is carried out to pretreated step also to be comprised: using described vibration winnowing weight as construction materialOr carry out landfill disposal.
5. the recycling processing method of flammable solid discarded object according to claim 1, is characterized in that,In step 2, described other flammable solid discarded object is carried out to pretreated step and comprises:
First, described other flammable solid discarded object is carried out to sorting, reject metal and inorganic matter;
Then, other flammable solid discarded object after sorting is carried out to fine crushing, obtain described the second chipMaterial.
6. according to the recycling processing method of the flammable solid discarded object described in claim 1-5 any one, itsBe characterised in that, in step 3, according to mass percent, described the first fine crushing material accounts for 65%-85%, theTwo fine crushing materials account for 15%-35%, and adjuvant accounts for the 2%-15% of the first fine crushing material and the second fine crushing material summation.
7. the recycling processing method of flammable solid discarded object according to claim 6, is characterized in that,Described adjuvant comprises at least one in combustion adjuvant, binding agent and pollutant inhibitor.
8. the recycling processing method of flammable solid discarded object according to claim 7, is characterized in that,Described pollutant inhibitor comprises CaO powder.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307852A (en) * | 2014-10-20 | 2015-01-28 | 湖南万容科技股份有限公司 | Community-based treatment method of household garbage |
| CN106734082A (en) * | 2016-12-19 | 2017-05-31 | 湖南万容科技股份有限公司 | A kind of life refuse processing method |
| TWI635134B (en) * | 2017-03-16 | 2018-09-11 | 陳一義 | Environmental fuel and method for making the same |
| CN108659906A (en) * | 2017-03-29 | 2018-10-16 | 陈义 | Environment-friendly fuel and its manufacturing method |
| CN110788112A (en) * | 2019-09-29 | 2020-02-14 | 中原环资科技有限公司 | Fine classification and sorting process method for industrial wastes |
| TWI755654B (en) * | 2019-11-28 | 2022-02-21 | 星光環保有限公司 | Energy method for full utilization of waste |
| CN112484041A (en) * | 2020-10-15 | 2021-03-12 | 江苏梵坤环保科技发展股份有限公司 | Solid waste recycling treatment method |
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| CN101856666A (en) * | 2009-04-09 | 2010-10-13 | 王云亭 | Waste disposal method |
| CN102559330A (en) * | 2012-01-10 | 2012-07-11 | 吉林省明泰再生能源有限公司 | Method and device for preparing novel fuel from municipal domestic waste completely |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856666A (en) * | 2009-04-09 | 2010-10-13 | 王云亭 | Waste disposal method |
| CN102559330A (en) * | 2012-01-10 | 2012-07-11 | 吉林省明泰再生能源有限公司 | Method and device for preparing novel fuel from municipal domestic waste completely |
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Effective date of registration: 20200424 Address after: 410100 Hunan province Changsha Panpan Changsha economic and Technological Development Zone, Road No. 11 Co-patentee after: HUNAN WANRONG SOLID WASTE PROCESSING Co.,Ltd. Patentee after: Guoying Ming Address before: 410100 Hunan province Changsha Panpan Changsha economic and Technological Development Zone, Road No. 11 Patentee before: Guoying Ming |