CN1377742A - Process for harmless treating life refuse resource - Google Patents
Process for harmless treating life refuse resource Download PDFInfo
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- CN1377742A CN1377742A CN02117946A CN02117946A CN1377742A CN 1377742 A CN1377742 A CN 1377742A CN 02117946 A CN02117946 A CN 02117946A CN 02117946 A CN02117946 A CN 02117946A CN 1377742 A CN1377742 A CN 1377742A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000003337 fertilizer Substances 0.000 claims abstract description 15
- 239000010813 municipal solid waste Substances 0.000 claims description 35
- 238000009264 composting Methods 0.000 claims description 26
- 238000011112 process operation Methods 0.000 claims description 18
- 238000010298 pulverizing process Methods 0.000 claims description 18
- 239000002994 raw material Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 239000004033 plastic Substances 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 13
- 239000011230 binding agent Substances 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 9
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical group [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 239000011777 magnesium Substances 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- 239000011449 brick Substances 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000000750 progressive effect Effects 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 2
- 230000023556 desulfurization Effects 0.000 claims description 2
- 239000011343 solid material Substances 0.000 claims description 2
- 239000004566 building material Substances 0.000 abstract description 3
- 230000029087 digestion Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 239000002361 compost Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 150000002013 dioxins Chemical class 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000035611 feeding Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 240000001980 Cucurbita pepo Species 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- -1 mould Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- 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
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The present invention provides a harmlessly domestic refuse treating process capable of utilizing the refuse resource completely. The technological process includes sorting, comprehensive treatment, stoving, magnetic selecting, crushing, producing fertilizer and building material, and recovering harmful material. Through digestion of domestic refuse at certain temperature and pressure, the organic matters inside refuse may be decomposed in 3-4 hr. The process can eliminate the pollution of harmful matters in refuse to environment while converting refuse into fertilizer and building material.
Description
Technical field
The present invention relates to a kind of domestic rubbish disposal technology, belong to the treatment process technical field of solid waste.
Background technology
Along with the develop rapidly of world economy, the mankind also are on the rise to environment damage.Wherein environmental pollution is one of major reason of environmental degradation.Environmental pollution mainly shows the influence to environment such as sewage, obnoxious flavour, solid waste.And the domestic refuse of how handling in the solid waste is the difficult problem that generally acknowledge in the whole world, and for this reason, national governments all drop into a large amount of man power and materials to some extent and study and solve.At present, the method for domestic rubbish disposal mainly comprises three kinds of burnings, landfill, compost, and concerning China, landfill accounts for more than 70%, secondly is that During High-Temperature Composting accounts for more than 20%, burns only to account for seldom.Landfill is a kind of traditional trash processing way of primary, it can cause serious secondary pollution inevitably, comprise atmosphere, soil, ground and body of groundwater, various biotic pollution, taken a large amount of soils simultaneously, a lot of cities, the whole nation all are among the encirclement of rubbish.In order to change this situation, the Chinese government has taked many measures, comprise introducing external advanced refuse treatment plant, but because therefore the composition complexity of China's domestic refuse also exists many problems in processing.At first the calorific value of China's rubbish is lower, as has a large amount of gourd, fruit and vegetables etc., therefore contains a large amount of moisture, need consume a large amount of energy during burning, and cost is too high, so be unsuitable for burning disposal; Secondly material letter sortings such as the inorganics in the rubbish, organism, poisonous metal are difficult, and inorganic content is big when making compost, and fertilizer quality is poor behind the compost; Have, need artificial broken bag, letter sorting when letter sorting, efficient is low, labour intensity is big, also can polluted air.The problems referred to above all make present rubbish processing to be harmless cause difficulty.
Chinese patent CN1270991A discloses a kind of garbage treating process and equipment used thereof.Its technological process is: the refuse treatment jar is connected with the mixed gas reaction jar, and the mixed gas reaction jar also is connected with gas cooler, connects the coal gas hold-up vessel through water filter, refining plant.Chinese patent CN1259502A discloses a kind of domestic garbage comprehensive treatment technology and complete set equipment, and it is made up of the wet grinding machine of the modular fermentation cabin of the size separation equipment of pre-treatment, fermentative processing, aftertreatment and hot method granulating equipment of rotary drum and the air-bleed system equipment of producing organic compositing fertilizer.Chinese patent CN1068251C discloses a kind of innoxious, resource utilization, easily sorting, no remaining garbage treating process, it adopts pyrolytic technique, domestic waste is placed in the special encloses container, under certain pressure and temperature condition, it is carried out the chemical catalysis reaction, eliminate objectionable impurities and peculiar smell, make complicated refuse classification technology become simple, the organism after the pyrolysis is made bio-fertilizer, inorganics system building materials.The common drawback of the method that above-mentioned patent adopts is to contain washy problem and need all to add that fuel burns or drying and dewatering in order to solve rubbish in the part for the treatment of refuse, therefore consumes a large amount of energy.Aforesaid method is also unsatisfactory in the comprehensive utilization of rubbish in addition.
Summary of the invention
Technical problem to be solved by this invention provides a kind ofly can carry out the garbage treating process that harmless is handled and utilized cmpletely to rubbish, also can save a large amount of energy in treating processes.
Problem to be solved by this invention is realized by following technical scheme:
A kind of process for harmless treating life refuse resource, its technical process comprise clean operation of comprehensive sorting operation-comprehensive treating process operation-baking operation-magnetic look operation-pulverizing process-composting operation and product operation and heat and nuisance recovery process;
Described comprehensive sorting operation is that flammable organism is sub-elected, and useful plastics, harmful plastics and metal, battery etc. are sorted out, and all the other most of rubbish are sent to the comprehensive treating process operation;
The rubbish of described comprehensive treating process operation after with comprehensive sorting is handled under the vapor action of certain temperature, pressure, and s main working parameters is: pressure 3-10kg/cm
2, 130 ℃-200 ℃ of temperature were feeded 30-40 minute, and boiling 2-5 hour, discharging 0.8-1.5kg/cm
2The solution that oozes after the processing is delivered to composting operation composting, and screen overflow send the clean operation of heat to do to burn thermal source, and screen underflow send baking operation;
The clean operation of described heat is that the flammable organism that comprehensive sorting operation is sub-elected, the screen overflow and the screen overflow in the pulverizing process of comprehensive treating process operation send roasting kiln to burn, the heat energy of its generation uses the broken operation of combustion residue powder feeding for comprehensive treating process operation and baking operation;
Described baking operation is that employed thermal source is provided by the clean operation of heat with the oven dry of the screen underflow of comprehensive treating process operation, baking operation adopt wet scrubber to the dust-laden, the sulfurous gas desulfurization that produce, take off dirt, take off qualified discharge behind the cigarette.
Described magnetic look operation is to remove iron in the material of oven dry, non-ferrous metal, stainless steel, battery etc., and it is delivered to nuisance recovery process and metal recovery department, and all the other most of materials are delivered to pulverizing process.
The raw material of described pulverizing process is material and the hot combustion residue of operation only that magnetic look operation is sent here, pulverizes the back screen overflow and send heat operation burning only, and screen underflow is the raw material of composting and product, and screen underflow is a 60-100 order powder, moisture 8%-10%.
Above-mentioned process for harmless treating life refuse resource, the sepage that the liquid that the granulation of described composting operation is used is discharged as the comprehensive treating process operation, harmless rubbish under the sieve of the solid material that uses as pulverizing process, sal epsom that the purification part is discharged and magnesium chloride, magnesium oxide account for the 5-10% of fertilizer component as binding agent.
Above-mentioned process for harmless treating life refuse resource, the raw material of described product operation is the harmless rubbish of inorganics under the sieve of pulverizing process, add known binding agent, aggregate, properties-correcting agent such as water-resisting agent, anti reversed halogen agent, be compressed to plate, watt, brick etc., binding agent is a magnesium cement, accounts for the 40-60% of raw material gross weight.
Above-mentioned process for harmless treating life refuse resource after in the described magnetic look operation metal, battery etc. being removed, is crushed to plastics about diameter 10mm, adding additives not, and directly to heat is 180 ℃-260 ℃ to the progressive die tool, be forced into 800kg/cm
2-1500kg/cm
2, be hot pressed into sheet material.
The present invention has realized the harmless of domestic refuse is handled and recycling.Adopted the novel process of rubbish being carried out boiling under certain temperature and pressure in the present invention, but it can make in the domestic refuse composting organism at 3-4 hour with regard to the become thoroughly decomposed degree of hydrolyzable to the compost requirement.Substantially exceed the required 7-20 of biological fermentation days that adopt usually both at home and abroad, and external advanced enterprise 3 angel's rubbish meet the requirements of the level of rotten degree.The present invention can effectively eliminate the pollution of objectionable impurities to environment, also the rubbish after handling can be made fertilizer or is made material of construction etc.Investment and floor space are little, and the processing cycle is short, and running cost is low.
Fig. 1 is a process flow sheet of the present invention.
Embodiment
The present invention is a kind of process for harmless treating life refuse resource, its main technique flow process comprises comprehensive sorting operation, comprehensive treating process operation, baking operation, magnetic look operation, pulverizing process, composting operation and product operation, also has clean operation of heat and nuisance recovery process.Narrate respectively according to the order of technical process below:
1. comprehensive sorting operation.Rubbish carries out sorting at this, and big part organism send the clean operation of heat to burn after picking as carton, bamboo basket, straw bag, summer sleeping mat, timber, branch etc.; The harmless organism of fritter, as bamboo and wood, mould, paper, fabric etc. send the clean operation of heat to burn; During sorting, profile and color according to the domestic refuse of on conveyor, moving, the harmful separating plastics such as benzene, chlorine that contain are wherein gone out, dioxin contamination in burning away the refuse with minimizing, rest part enters following comprehensive treating process operation, this part rubbish is the 85-95% of charging total amount, looks the variation of different component of refuse and difference.
2. comprehensive treating process operation.After rubbish and modifying agent enter treater, under the steam of certain temperature, pressure, rubbish is carried out disinfection, sterilizes, deodorizes, dewaters, takes off ten effects such as benzene, degraded, separation, decrement, broken bag, sepage processing, make rubbish harmless, minimizing, the treatment facility of domestic and international any domestic refuse does not reach this level as yet so far.Comprehensive treatment equipment in this operation can use disclosed garbage decomposition jar in 99235230.4 patents.
It is the exclusive special process of the present invention that high temperature, the high pressure steam that the present invention adopts carried out boiling to rubbish, but it can make in the domestic refuse composting organism at 3-4 hour with regard to the become thoroughly decomposed degree of hydrolyzable to the compost requirement.And the biological fermentation that adopts usually both at home and abroad needs 7-20 days, even the longer time just can reach requirement.According to the pertinent data introduction, advanced foreign technology can meet the requirements of rotten degree with 3 angel's rubbish, and this also substantially exceeds the time required for the present invention.
The s main working parameters of this technology is: pressure 3-10kg/cm
2, 130 ℃-200 ℃ of temperature were feeded 30-40 minute, and boiling 3-4 hour, discharging 0.8-1.5kg/cm.That comprehensive treatment equipment in this technology has is vertical, horizontal, continous way, discontinuous work are several, is selected voluntarily by the user.
The resultant of this technological process comprises solution, screen overflow and screen underflow three parts.Solution is discharged by treater, send the liquid fertilizer pool post precipitation, send the composting workshop again, does the fertile granulation of solid and uses.The solid part dispensing drying machine drying that is settled out is to certain humidity, through magnetic look, pulverizing process, composting operation batching composting.The moisture 15-20% of screen overflow is mainly plastics, wooden bamboo, fabric (woven bag, clothing, towel) footwear, glass etc. and send the clean operation of heat to burn to make thermal source, discharge send after bits are pulverized the product operation make brick, watt, plate and so on.Screen underflow is mainly used in composting (accounting for rubbish total amount 40-50%), sends into baking operation, and this moment, water content was about 25-30%.
3. baking operation.Baking operation provides hot gas by the clean operation of heat, and raw material is from above-mentioned screen underflow and liquid fertilizer throw out.Baking operation adopt wet scrubber to the dust-laden, the sulphur gas sweetening that produce, take off dirt, take off qualified discharge behind the cigarette.The waste liquid of sulfur acid magnesium send the product operation to make binding agent and uses, and the waste liquid that contains calcium sulfite can be used for doing gypsum.Entering magnetic look operation after all the other most of composting raw material dryings handles.
4. magnetic look operation.Remove the iron in the composting raw material, discriminated unions such as non-ferrous metal copper, aluminium, zinc (battery), stainless steel are separated.The metal of telling is sent into the export trade of metal storehouse, and battery send the nuisance treating part, the broken operation of all the other composting raw material powder feedings.
5. pulverizing process.Raw material is material and the hot surplus slag of operation only that magnetic look operation is sent here, simultaneously hard (stone, cement block), soft (bamboo and wood, plastics), rubber mass is sent into pulverizer, and this pulverizer can adopt the disclosed structure of ZL99235104.9.Feed size is less than diameter 60-80mm, can pulverize to reach 200 orders, and is adjustable, and general 60-100 order gets final product.After the pulverizing, screen overflow send the clean operation of heat to burn, and screen underflow is the raw material of composting and product, and screen underflow is a 60-100 order powder, moisture 8%-12%.
6. hot clean operation.This part comprises thermal source and purification.The organism that sorting part and comprehensive treating process operation pick (bamboo and wood, mould, knit, paper etc.), screen overflow are delivered to the thermal source burning, be a kind of mode that rubbish is handled on the one hand, provide a large amount of heat energy behind these substance combustions on the other hand, be used for steam being provided and providing hot gas and generating, to be sparing in the use of coal to dryer to the comprehensive treating process operation.This is the important content that the present invention fully utilizes, and is different from burning process in other refuse treatment, has saved a large amount of energy than other scheme.Purify to adopt the special corrosion resistant of usefulness of development newly, the glass reinforced plastic wet cleaner that temperature-resistant material is made, make nitride in the flue gas, sulfide, muriate, Dioxins, dust etc. drop to Schwellenwert, meet or exceed national standard.Wherein: take off SO
2Reach more than 80%; Take off HCL 〉=95%; Dedusting＜80mg/Nm; Take off Dioxins＜1ng/Nm.
7. composting operation.The screen underflow of above-mentioned pulverizing process is the composting raw material, and screen underflow is a 60-100 order powder, moisture 8%-12%.Purify the sal epsom of part discharge and the magnesium chloride of interpolation, the binding agent in the magnesium oxide as fertilizer sources, elemental chlorine, magnesium, sulphur are the composition in the fertilizer, both can make fertilizer reach the bonding purpose, easily are hydrolyzed again, use for plant.Sal epsom, magnesium chloride, magnesium oxide account for the 3%-8% of fertilizer component as binding agent.The harmless liquid fertilizer that the sepage that the liquid that the composting granulation is used is discharged for the comprehensive treating process operation forms.The composting process is by computer batching, mixing, granulation, oven dry, screening, packing.
8. product operation.The screen underflow of above-mentioned pulverizing process is an inorganics product raw material, adds magnesium cement and makes binding agent, accounts for the 40%-60% of weight ratio, adds other known aggregate, properties-correcting agent again, can make different shapes, performance plate, watt, brick etc.
Also can after the metal in the plastics, battery etc. are removed, plastics be crushed to about diameter 10mm adding additives not, directly heat 210 ℃, pressurization 1200kg/cm of progressive die tool
2, make sheet material.When making sheet material, not adding additives and directly extrusion forming also be peculiar technology of the present invention.
9. nuisance recovery process.
Battery reclaims technology: broken skin-recovery zinc-scrubbing-blowdown is up to standard.
Chlorine, benzene reclaim technology: (containing chlorobenzene plastics+filler)-thermal degradation-system paint raw materials.
Claims (4)
1. process for harmless treating life refuse resource is characterized in that: its technical process comprises clean operation of comprehensive sorting operation-comprehensive treating process operation-baking operation-magnetic look operation-pulverizing process-composting operation and product operation and heat and nuisance recovery process;
Described comprehensive sorting operation is that flammable organism is sub-elected, and useful plastics, harmful plastics and metal, battery etc. are sorted out, and all the other most of rubbish are sent to the comprehensive treating process operation;
The rubbish of described comprehensive treating process operation after with comprehensive sorting is handled under the vapor action of certain temperature, pressure, and s main working parameters is: pressure 3-10kg/cm
2, 130 ℃-200 ℃ of temperature were feeded 30-40 minute, and boiling 2-5 hour, discharging 0.8-1.5kg/cm
2The solution that oozes after the processing is delivered to composting operation composting, and screen overflow send the clean operation of heat to do to burn thermal source, and screen underflow send baking operation;
The clean operation of described heat is that the flammable organism that comprehensive sorting operation is sub-elected, the screen overflow and the screen overflow in the pulverizing process of comprehensive treating process operation send roasting kiln to burn, the heat energy of its generation uses the broken operation of combustion residue powder feeding for comprehensive treating process operation and baking operation;
Described baking operation is that employed thermal source is provided by the clean operation of heat with the oven dry of the screen underflow of comprehensive treating process operation, baking operation adopt wet scrubber to the dust-laden, the sulfurous gas desulfurization that produce, take off dirt, take off qualified discharge behind the cigarette.
Described magnetic look operation is to remove iron in the material of oven dry, non-ferrous metal, stainless steel, battery etc., and it is delivered to nuisance recovery process and metal recovery department, and all the other most of materials are delivered to pulverizing process.
The raw material of described pulverizing process is material and the hot combustion residue of operation only that magnetic look operation is sent here, pulverizes the back screen overflow and send heat operation burning only, and screen underflow is the raw material of composting and product, and screen underflow is a 60-100 order powder, moisture 8%-10%.
2. process for harmless treating life refuse resource according to claim 1, it is characterized in that, the sepage that the liquid that the granulation of described composting operation is used is discharged as the comprehensive treating process operation, harmless rubbish under the sieve of the solid material that uses as pulverizing process, sal epsom that the purification part is discharged and magnesium chloride, magnesium oxide account for the 5-10% of fertilizer component as binding agent.
3. process for harmless treating life refuse resource according to claim 1 and 2, it is characterized in that: the raw material of described product operation is a harmless rubbish under the sieve of pulverizing process, add binding agent, aggregate, properties-correcting agent, be compressed to plate, watt, brick, binding agent is a magnesium cement, accounts for the 40-60% of weight.
4. process for harmless treating life refuse resource according to claim 1 and 2, it is characterized in that, after in the described magnetic look operation metal in the plastics, battery etc. being removed, plastics are crushed to diameter 10mm, directly to heat is 180 ℃-260 ℃ to the progressive die tool, be forced into 800kg/cm
2-1500kg/cm
2, be hot pressed into sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02117946A CN1377742A (en) | 2002-05-27 | 2002-05-27 | Process for harmless treating life refuse resource |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02117946A CN1377742A (en) | 2002-05-27 | 2002-05-27 | Process for harmless treating life refuse resource |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1377742A true CN1377742A (en) | 2002-11-06 |
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| CN02117946A Pending CN1377742A (en) | 2002-05-27 | 2002-05-27 | Process for harmless treating life refuse resource |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949543A (en) * | 2010-09-17 | 2011-01-19 | 杨长银 | Household garbage treatment system |
| CN102226108A (en) * | 2011-05-04 | 2011-10-26 | 杨长银 | System for converting domestic garbage and solid waste into combustible gas |
| CN102607032A (en) * | 2012-03-07 | 2012-07-25 | 陈震 | System and method for winter refuse wet-steaming and fermentation for household refuse fired power plants |
| CN102632068A (en) * | 2011-02-15 | 2012-08-15 | 杭州布鲁斯凯环境科技有限公司 | Mechanization, biologicalization and transportation integrated treatment process of domestic garbage |
| CN102773247A (en) * | 2012-07-20 | 2012-11-14 | 谢鸣燕 | System and method for making bricks by utilizing domestic garbage |
| CN101508603B (en) * | 2009-04-10 | 2013-07-31 | 北京绿创大气科技有限公司 | High-speed composting process and apparatus |
| CN103286114A (en) * | 2013-03-29 | 2013-09-11 | 高翁斌 | An ecological resource recycling process for garbage from farmers markets and kitchens |
| CN105032891A (en) * | 2015-07-09 | 2015-11-11 | 大连惠川环保科技有限公司 | Pyrolysis energy conversion method for fully recycling of household garbage |
| CN107971321A (en) * | 2017-10-12 | 2018-05-01 | 镇江市中运城市环境治理股份有限公司 | A kind of household-garbage processing process |
| CN108941148A (en) * | 2018-05-15 | 2018-12-07 | 黄解放 | A kind of Waste sorting recycle utilizes method |
| CN109704863A (en) * | 2019-02-18 | 2019-05-03 | 湖北三宁化工股份有限公司 | A kind of bulky grain sulfur-containing nitrogen fertilizer and preparation method thereof |
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2002
- 2002-05-27 CN CN02117946A patent/CN1377742A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101508603B (en) * | 2009-04-10 | 2013-07-31 | 北京绿创大气科技有限公司 | High-speed composting process and apparatus |
| CN101949543A (en) * | 2010-09-17 | 2011-01-19 | 杨长银 | Household garbage treatment system |
| CN102632068A (en) * | 2011-02-15 | 2012-08-15 | 杭州布鲁斯凯环境科技有限公司 | Mechanization, biologicalization and transportation integrated treatment process of domestic 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 |
| CN102607032A (en) * | 2012-03-07 | 2012-07-25 | 陈震 | System and method for winter refuse wet-steaming and fermentation for household refuse fired power plants |
| CN102773247A (en) * | 2012-07-20 | 2012-11-14 | 谢鸣燕 | System and method for making bricks by utilizing domestic garbage |
| CN103286114A (en) * | 2013-03-29 | 2013-09-11 | 高翁斌 | An ecological resource recycling process for garbage from farmers markets and kitchens |
| CN105032891A (en) * | 2015-07-09 | 2015-11-11 | 大连惠川环保科技有限公司 | Pyrolysis energy conversion method for fully recycling of household garbage |
| CN107971321A (en) * | 2017-10-12 | 2018-05-01 | 镇江市中运城市环境治理股份有限公司 | A kind of household-garbage processing process |
| CN108941148A (en) * | 2018-05-15 | 2018-12-07 | 黄解放 | A kind of Waste sorting recycle utilizes method |
| CN109704863A (en) * | 2019-02-18 | 2019-05-03 | 湖北三宁化工股份有限公司 | A kind of bulky grain sulfur-containing nitrogen fertilizer and preparation method thereof |
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