CN101362977A - Technique for preparing consumer waste regenerated coal - Google Patents

Technique for preparing consumer waste regenerated coal Download PDF

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Publication number
CN101362977A
CN101362977A CNA2008102161356A CN200810216135A CN101362977A CN 101362977 A CN101362977 A CN 101362977A CN A2008102161356 A CNA2008102161356 A CN A2008102161356A CN 200810216135 A CN200810216135 A CN 200810216135A CN 101362977 A CN101362977 A CN 101362977A
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CN
China
Prior art keywords
garbage
rubbish
technique
coal
consumer waste
Prior art date
Application number
CNA2008102161356A
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Chinese (zh)
Inventor
周泽宇
刘书敏
周巍
Original Assignee
周泽宇
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Filing date
Publication date
Application filed by 周泽宇 filed Critical 周泽宇
Priority to CNA2008102161356A priority Critical patent/CN101362977A/en
Publication of CN101362977A publication Critical patent/CN101362977A/en

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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
    • 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

Abstract

The invention relates to a technology for treating living garbage, in particular to a complete production process for changing the living garbage to garbage renewable coal products. The urban living garbage is firstly sent to a designated garbage place for collection; then coarse visible inert materials and iron and steel metals are removed through the scratch, the vibration selection and the magnetic selection pre-treatment, after that, a coarse breaker is used for carrying out the coarse breaking of the garbage till less than 50mm; the coarsely broken garbage is extruded and dehydrated, a deodorant, a bactericide and sulfur fixing and chloride fixing substances are added after the dehydration, the even mixing is carried out in a stirrer; then the high-temperature drying by a tunnel kiln is carried out, the fine breaking is carried out after the drying, the particle size of the garbage is controlled to be within 20 meshes at the stage, an ignition agent, a combustion improver, a preservative, a adhesive, and the like, are added after the fine breaking, the even mixing with the garbage particles after the fine breaking is carried out in the stirrer; finally the coal is prepared by extrusion forming, the shape and the dimension can be achieved in the pass design of a template.

Description

Technique for preparing consumer waste regenerated coal

Technical field

The present invention relates to a kind of technology, particularly a kind of technique for preparing consumer waste regenerated coal at domestic rubbish disposal.

Background technology

China's total population 1,300,000,000, along with the great variety of town development and economic transition, according to authority's in 2007 statistics, urban population reaches 5.77 hundred million, accounts for about 44.38% of total population.As every day, domestic refuse produced 1 kilogram per capita by national cities and towns, every day, whole nation domestic refuse total amount was 5.77 hundred million kilograms, promptly 57.7 ten thousand tons, then had 2.106 hundred million tons every year.Therefore, the eighties in 20th century, the worries in " rubbish encirclement city " are perplexing the development in cities and towns always.

The later stage eighties 20th century, people have analyzed rubbish moiety and calorific value thereof, find at that time the go-no-go of most of western developed country domestic waste and unwatering after the overwhelming majority be combustiblematerials, the rubbish Lower heat value can reach 3344KJ/Kg (800Kcal/Kg, 1Kcal=4.184KJ).Along with the lifting of standard of living, per capita the resources of production and commodity occupancy volume are increased, when refuse production increased per capita, its Lower heat value had reached average 4180～5852KJ/Kg (1000～1400Kcal/Kg) in 20 end of the centurys.Therefore, domestic refuse is considered to " city mineral reserve " and " resource that mislays " tool potentiality to be exploited, never exhausted, and its utilization again is the important behave of urban sustainable development, recycling economy.

At present, it is a lot of with the domestic refuse to be that starting material are made the substitute coal product category, for example environment-friendly garbage regenerated coal, composite briquette, rubbish synthol etc., employed processing method is but roughly similar with additive, all be to be that raw material adds some additives with the domestic refuse, it is inequality just to fill a prescription.And the patented technology of having inquired about, the quantity of additive are all 30%～50%, and so the additive of vast scale certainly will promote the cost of soft coal again, compares with waste incineration and generating electricity, and cost is high again, and can not the flat-footed generation energy.Waste incineration and generating electricity adds the quantity of low grade coal generally 15%～25%.Therefore, this technology must be carried out improvement by a relatively large margin, makes it scientific, standardization and industrialization.The additive of present technique only is controlled at 15%, and its function has comprised: deodorizing, sterilization, anticorrosion, bonding, ignite, solid sulphur and solid chlorine, wherein also comprised the removal of dioxin.

Summary of the invention

The purpose of this invention is to provide the technical process that a kind of consumer waste regenerated coal is produced, fundamentally solve the domestic waste problem, also consider simultaneously Industrial Wastewater Treatment mud and domestic refuse are handled together, make it resource utilization, energy, innoxious and industrialization.

Purpose of the present invention can reach by following measure:

This technique for preparing consumer waste regenerated coal, its special character is, may further comprise the steps:

(1) domestic refuse enters the collection of special-purpose rubbish place;

(2) scratch and vibrate sorting, will thick visible non-flammable inert material removing;

(3) magnetic separation, iron and steel matter metal object is removed in magnetic separation, with the protection crusher, and metal recovery;

(4) thick broken, by crusher that rubbish is slightly broken to 50mm;

(5) extrusion dehydration adopts the high speed rotating forcing machine slightly to break the rubbish extrusion dehydration, and this water enters underground collecting tank, pumps into sewage works and handles;

(6) mix, add deodorizing, sterilant and the solid chlorine thing of solid sulphur, mix by stirrer, guarantee the finished product free from extraneous odour with rubbish at this;

(7) the tunnel furnace hyperthermia drying is adopted in oven dry, and temperature is 300 ℃～450 ℃, and sterilization is also finished in this process in the lump in the rubbish oven dry;

(8) thin broken, in this stage the granulated garbage degree is controlled within 20 orders, carefully break the granularity I and make burning fully, and thin broken doping more afterwards, make follow-up mixing more even;

(9) secondary mixes, and adds detonator, ignition dope, anticorrosion, tackiness agent at this, mixes with thin broken back granulated garbage;

(10) extrusion molding by single-lead-screw extruding briquetting machine, is produced different shapes garbage regeneration coal with the above-mentioned fuel that mixes as required, and required shape can be reached by the template pass design of extruding; Deliver to the warehouse storage with travelling belt again.

Can mix in the described domestic refuse 20% city domestic sewage treatment plant dehydration back water ratio less than 85% mud, through the urban landscaping rubbish after the fragmentation even printing and dyeing, papermaking, pharmacy, process hides, food-processing, meat processing, drink production sewage disposal after dewatering water ratio less than 75% mud.

The mud that adds must add before extrusion dehydration, because the water ratio of mud is too high, must dewater at this and domestic refuse.

Institute adds the interpolation material and must add behind the rubbish extrusion dehydration, otherwise can run off with moisture, and reodorant must add after dehydration immediately, in order to avoid subsequent handling is exerted an influence; Sanitas be as product before going into boiler storage and do not go mouldy between the delivery period, so adding before stir thin broken back.

Detonator and oxidizer are answered separate storage before interpolation, guarantee its security against fire.

In process of production, various additives all are to adopt dosing feeder to add.

The facility that described each operation adopts all can utilize through improved conventional equipment and carry out.

Principal feature of the present invention:

1) in this regeneration coal raw material domestic refuse, can mix the mud after the dehydration in 20% city domestic sewage treatment plant dehydrated sludge (water ratio is less than 85%), the urban landscaping rubbish after fragmentation and the Industrial Wastewater Treatment, simultaneously domestic waste and industrial various unmanageable mud be solved together.

2) the present invention has used a complete set of technological process of production, all respects in the regeneration coal generative process have been done comprehensive consideration, not only considered deodorizing corrosion-preventing processing in process of production, and by adding the solid chlorine thing of solid sulphur, this resource utilization, innoxious of soft coal is again guaranteed in the discharging of control product tail gas in combustion processes.

3) originally soft coal is by adding the solid chloride material of solid sulphur again, and all there is the chlorine source in the generation of sulfurous gas and hydrogenchloride in effective control burning with the form of metal villaumite, reduces the necessary chlorine of generation dioxin source in the burning, thereby has reduced the discharging of dioxin.

4) composition of additive be comprehensively, science, practical but also be cheap.The shared ratio of whole fuel product additive had only for 15% (not comprising oxidizer), thereby had reduced the cost of product.

5) processing of percolate is a very important problem, and the present invention will adopt authorization to authorize patent of invention CN03147021.1 " consumer waste infiltration liquid treatment process " that the percolate that produces in the invention process process is handled.Reach country's " household refuse landfill sites pollution control criterion " after treatment and (GB16889-2008) played operative norm on July 1st, 2008, wherein

COD Cr≤100mg/L

NH 3-N≤25mg/L

Total nitrogen≤40mg/L

Total phosphorus≤3mg/L

All the other slightly.

Water fully recovering after treatment in carwash, flush the toilet and the periphery greening.

Embodiment

The present invention is further described below in conjunction with accompanying drawing:

This technique for preparing consumer waste regenerated coal may further comprise the steps:

1. refuse collection

The rubbish dump truck advances the platform discharging, is sent to the stacking point through belt.Enter in the hopper standby through vertical elevator.The bucket bottom is established pipe and is collected percolate, and it is pending through pump input sewage works equalizing tank to establish underground collecting tank.

2. scratch and magnetic separation

With thick visible inert material (non-flammable), remove at this as stone, structural glass, ferrous metal thing.Utilization scratch machine bagged garbage scratch utilize magnetic separator with the whole sucking-offs of the metal of the magnetic gone up in the rubbish after the separation after, send into screen house.

3. thick broken

Utilize horizontal rotary hammer crusher that material is crushed to below the 50mm.

4. extrusion dehydration

Utilize the rubbish extrusion machine with extrusion dehydration in the domestic refuse (in domestic refuse, add other mud as need,, carry out extrusion dehydration with domestic refuse in the lump), extrude dehydration rate 45%～70% then in this adding.This water COD and NH 3-N is very high, hangs down filtering basin under the inflow place from height, pumps into sewage works and handles back reuse in factory up to standard.

5. mix

Utilize dosing feeder to add reodorant and the solid chlorine thing of solid sulphur, mix by stirrer, guarantee the finished product free from extraneous odour with rubbish at this.

6. oven dry

Adopt the tunnel furnace hyperthermia drying, temperature is 300 ℃～450 ℃, adopts this product for temperature is boiler dedicated with coal.Drying time is controlled kiln residence time by lectotype selection with speed adjustment.Rotating speed, kiln Wen Junke numeral show, list the production technique working specification in and guarantee quality product.Water ratio should be controlled within 15% this moment.

7. thin broken

Material is further broken after utilizing thin broken machine with drying, material is crushed to 20 orders after, reach processing requirement.(dust that is produced in the shattering process is sent into workshop lower floor sack cleaner with crusher rotation blast and captured aftertreatment) sends into compounding plant.

8. secondary mixes

Utilize dosing feeder to add detonator, oxidizer, anticorrosion, tackiness agent, after mixing by stirrer with rubbish, send into all rotating buckets of large-scale storing and store for future use at this.Utilization bucket heavy-duty plate transfer roller is down sent into the fitting room.

9. extrusion molding

Utilize the single-lead-screw extruding briquetting machine extrusion molding, with the above-mentioned fuel that mixes, produce different shapes garbage regeneration coal as required, geomery can reach in the pass design of template.Deliver to the warehouse storage with travelling belt more at last.

This regeneration product of coal has some to pay special attention in process of production:

(1) described consumer waste regenerated coal product, can mix in the domestic refuse 20% city domestic sewage treatment plant dehydrated sludge (water ratio is less than 85%), through the urban landscaping rubbish after the fragmentation even printing and dyeing, papermaking, pharmacy, food-processing, meat processing, drink production sewage disposal after dewatering water ratio less than 75% mud.

(2) other mud of Tian Jiaing must add before extrusion dehydration, because the water ratio of mud is too high, must dewater at this and domestic refuse;

(3) adding the interpolation material must add behind the rubbish extrusion dehydration, otherwise can run off with moisture, and reodorant must add after dehydration immediately, in order to avoid subsequent handling is exerted an influence;

(4) detonator and oxidizer are answered separate storage before interpolation, guarantee security against fire;

(5) in whole process, various additives all are to adopt dosing feeder to add;

(6) facility of each operation employing of the present invention all can utilize known equipment to carry out.

The above only is preferred embodiment of the present invention, and all equalizations of being done according to claim scope of the present invention change and modify, and all should belong to the covering scope of claim of the present invention.

Claims (6)

1. a technique for preparing consumer waste regenerated coal is characterized in that, may further comprise the steps:
(1) domestic refuse enters the collection of special-purpose rubbish place;
(2) scratch and vibrate sorting, will thick visible non-flammable inert material removing;
(3) magnetic separation, iron and steel matter metal object is removed in magnetic separation, with the protection crusher, and metal recovery;
(4) thick broken, by crusher that rubbish is slightly broken to 50mm;
(5) extrusion dehydration adopts the high speed rotating forcing machine slightly to break the rubbish extrusion dehydration, and this water enters underground collecting tank, pumps into sewage works and handles;
(6) mix, add deodorizing, sterilant and the solid chlorine thing of solid sulphur, mix by stirrer, guarantee the finished product free from extraneous odour with rubbish at this;
(7) the tunnel furnace hyperthermia drying is adopted in oven dry, and temperature is 300 ℃～450 ℃, and sterilization is also finished in this process in the lump in the rubbish oven dry;
(8 is carefully broken, in this stage the granulated garbage degree is controlled within 20 orders, and carefully broken granularity I makes burning fully, and doping again after carefully broken, makes follow-up mixing more even;
(9) secondary mixes, and adds detonator, ignition dope, anticorrosion, tackiness agent at this, mixes with thin broken back granulated garbage;
(10) extrusion molding by single-lead-screw extruding briquetting machine, is produced different shapes garbage regeneration coal with the above-mentioned fuel that mixes as required, and required shape can be reached by the template pass design of extruding; Deliver to the warehouse storage with travelling belt again.
2. according to the described technique for preparing consumer waste regenerated coal of claim 1, it is characterized in that: can mix in the described domestic refuse 20% city domestic sewage treatment plant dehydration back water ratio less than 85% mud, through the urban landscaping rubbish after the fragmentation even printing and dyeing, papermaking, pharmacy, process hides, food-processing, meat processing, drink production sewage disposal after dewatering water ratio less than 75% mud.
3. according to the described technique for preparing consumer waste regenerated coal of claim 1, it is characterized in that: the mud of interpolation must add before extrusion dehydration, because the water ratio of mud is too high, must dewater at this and domestic refuse.
4. according to the described technique for preparing consumer waste regenerated coal of claim 1, it is characterized in that: institute adds the interpolation material and must add behind the rubbish extrusion dehydration, otherwise can run off with moisture, and reodorant must add after dehydration immediately, in order to avoid subsequent handling is exerted an influence; Sanitas be as product before going into boiler storage and do not go mouldy between the delivery period, so adding before stir thin broken back.
5. according to the described technique for preparing consumer waste regenerated coal of claim 1, it is characterized in that: detonator and oxidizer are answered separate storage before interpolation, guarantee its security against fire.
6. according to the described technique for preparing consumer waste regenerated coal of claim 1, it is characterized in that: in process of production, various additives all are to adopt dosing feeder to add.
CNA2008102161356A 2008-09-12 2008-09-12 Technique for preparing consumer waste regenerated coal CN101362977A (en)

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Application Number Priority Date Filing Date Title
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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101530857A (en) * 2009-03-12 2009-09-16 陈献清 Processing method for turning household garbage into energy
CN101886010A (en) * 2010-07-09 2010-11-17 深圳市兖能环保科技有限公司 Method for preparing regeneration pellet fuel of urban household garbage
CN102277216A (en) * 2010-06-11 2011-12-14 金亨植 Device for manufacturing solid fuel using a mixture of ocean waste and combustible waste as raw material
CN102434886A (en) * 2011-11-02 2012-05-02 天津德为环保工程设备有限公司 Agriculture and forestry plant waste high-efficient burning generating system
CN102585961A (en) * 2012-02-11 2012-07-18 朱国和 Method for preparing calcareous biofuel rod by processing domestic waste by using high-calcium muddy industrial waste as plasticity forming materials
CN102671911A (en) * 2011-03-15 2012-09-19 谭林立 Method and system for treatment and disposal of municipal household garbage
CN102809159A (en) * 2011-06-02 2012-12-05 吴军伟 Town domestic garbage drying and burning system
CN102806224A (en) * 2011-06-02 2012-12-05 吴军伟 Integral treating device for urban sludge and household garbage
CN101619253B (en) * 2009-07-13 2012-12-26 任荣 Moulded coal fuel composition and preparation method thereof
CN103074138A (en) * 2012-10-25 2013-05-01 中国科学院广州能源研究所 Biological / mechanical technique for preparing high quality refuse derived fuel
CN103756748A (en) * 2014-01-24 2014-04-30 大连泰达环保有限公司 Preparation method of composite derived fuel
CN104593115A (en) * 2015-01-16 2015-05-06 邹汉成 Method for preparing artificial coal from household garbage and household sludge
CN105188969A (en) * 2013-05-08 2015-12-23 林炳杰 Method for manufacturing molded article using food waste
CN106363012A (en) * 2016-08-31 2017-02-01 云南珍稀多生物科技产业有限公司 Municipal waste recovery treatment equipment and method
CN108998142A (en) * 2018-08-16 2018-12-14 河南东贵电子科技有限公司 A kind of manufacturing method of environment-friendly renewable coal

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101530857A (en) * 2009-03-12 2009-09-16 陈献清 Processing method for turning household garbage into energy
CN101619253B (en) * 2009-07-13 2012-12-26 任荣 Moulded coal fuel composition and preparation method thereof
CN102277216A (en) * 2010-06-11 2011-12-14 金亨植 Device for manufacturing solid fuel using a mixture of ocean waste and combustible waste as raw material
CN101886010A (en) * 2010-07-09 2010-11-17 深圳市兖能环保科技有限公司 Method for preparing regeneration pellet fuel of urban household garbage
CN102671911B (en) * 2011-03-15 2015-10-28 谭林立 The method and system that a kind of urban garbage disposal is disposed
CN102671911A (en) * 2011-03-15 2012-09-19 谭林立 Method and system for treatment and disposal of municipal household garbage
CN102809159A (en) * 2011-06-02 2012-12-05 吴军伟 Town domestic garbage drying and burning system
CN102806224A (en) * 2011-06-02 2012-12-05 吴军伟 Integral treating device for urban sludge and household garbage
CN102434886A (en) * 2011-11-02 2012-05-02 天津德为环保工程设备有限公司 Agriculture and forestry plant waste high-efficient burning generating system
CN102585961A (en) * 2012-02-11 2012-07-18 朱国和 Method for preparing calcareous biofuel rod by processing domestic waste by using high-calcium muddy industrial waste as plasticity forming materials
CN103074138B (en) * 2012-10-25 2015-08-19 中国科学院广州能源研究所 A kind of Biological/mechanical technique prepares the method for high-quality garbage derivatived fuel
CN103074138A (en) * 2012-10-25 2013-05-01 中国科学院广州能源研究所 Biological / mechanical technique for preparing high quality refuse derived fuel
CN105188969A (en) * 2013-05-08 2015-12-23 林炳杰 Method for manufacturing molded article using food waste
US10137611B2 (en) 2013-05-08 2018-11-27 Byeong Geol Lim Method for manufacturing molded article using food waste
CN103756748A (en) * 2014-01-24 2014-04-30 大连泰达环保有限公司 Preparation method of composite derived fuel
CN104593115A (en) * 2015-01-16 2015-05-06 邹汉成 Method for preparing artificial coal from household garbage and household sludge
CN104593115B (en) * 2015-01-16 2016-03-09 邹汉成 A kind ofly utilize domestic refuse, method that domestic sludge prepares artificial coal
CN106363012A (en) * 2016-08-31 2017-02-01 云南珍稀多生物科技产业有限公司 Municipal waste recovery treatment equipment and method
CN108998142A (en) * 2018-08-16 2018-12-14 河南东贵电子科技有限公司 A kind of manufacturing method of environment-friendly renewable coal

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