CN1142480A - Process and apparatus for producing fertilizer from refuse in daily life by firing treatment - Google Patents
Process and apparatus for producing fertilizer from refuse in daily life by firing treatment Download PDFInfo
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- CN1142480A CN1142480A CN96107046A CN96107046A CN1142480A CN 1142480 A CN1142480 A CN 1142480A CN 96107046 A CN96107046 A CN 96107046A CN 96107046 A CN96107046 A CN 96107046A CN 1142480 A CN1142480 A CN 1142480A
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- incinerator
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
A process for treating city life garbage includes such steps as solar fermenting at 60-70 deg.C while stirring for 4-5 days, secondary static fermentation for half month, conveying via feeder and belt conveyer to drum-type screen machine, magnetic selection of screened substances, breaking, burning in incinerator, using non-conbustible matter as raw material of brick, using afterheat to heat water and air for supply.
Description
The invention belongs to fertilizer and the equipment made from municipal wastes.
Along with the continuous progress of going into class society, domestic waste output is increasing, has become human big public hazards.China produces 7000 ten thousand tons in rubbish at present per year, 70,000,000,000 tons of rubbish storages over the years, and landfill waste takes up an area of 600,000 mu, causes 8,000,000,000 yuan of financial losses, and rubbish output every year is with 10% speed increment.2,870,000 tons in rubbish is produced in Beijing per year.Form between the three ring Fourth Ring road and surround Pekinese's rubbish circle, occupation of land reaches 7000 mu.A large amount of rubbish brings serious pollution, also brings white elephant to government.How treating refuse causes the great attention of China and national governments day by day.Treating refuse has three kinds of methods, landfill method, composting process, burning method in the world.It is many to fill out the logos occupation of land, the freight charges height, and severe contamination air, surface water and underground water, mosquitos and flies grows, and is eliminated by developed country.Composting process can change harmful to treasure, and makes a part of garbage as resource, but still some rubbish is wanted landfill.Therefore, developed country is all greatly developing burning method, the burning amount is up to 75% in some countries, China's refuse treatment almost all is in the backward state of landfill, compost treatment only accounts for 1-2% in the whole nation, and " compost treatment specific equipment and dynamic fermentation unit still are in the emphasis tackling key problem stage ".Burning method still is in blank at home, does not only have manufacturer, does not also have forming technique, and Hong Kong does not have the rubbish thermoelectric power station yet, and the south east asia market potential is also very big.
The object of the invention provides a kind of consumer garbage compost of suitable China's actual conditions to handle and burning disposal process combined and equipment thereof to society exactly.
Consumer garbage compost burning disposal production technique
Fresh domestic refuse is discharged into sun power proving room 1, under the effect of sun power, the rubbish fermentation temperature-stable, remain on optimum temps 60-70 ℃, when temperature is too high, start cold blast engine 23,24, unnecessary temperature and fermentation waste gas are drawn proving room, supply with incinerator by distribution plenum 21 and pipeline 22.When temperature was on the low side, by incinerator preheating section calorifier 18, via pipeline 19, plastics recovery chamber 17 was to the proving room heat supply the incinerator hot blast.When proving room did not need hot blast, the hot waste gas of incinerator being discharged by calorifier 18 passed through pipeline 20, and blower fan 23 is supplied with secondary air to incinerator, guaranteed not polluted air of waste gas.Dynamic agitation machine 42 40 and 43 is done reciprocal walking to the right left along the length direction of sun power proving room.In the walking, be fixed on the blade agitators that the curl on the turning axle distributes, do forward and reverse rotation and stir rubbish, make rubbish constantly form the space, and bottom rubbish is translated into the top layer, allow heat and air constantly import bottom, rubbish bottom skin temperature is even, the oxygen abundance guarantees that aerobic flora is at a large amount of rapidly breedings of optimum environment, quickening fermenting speed.Proving room is designed to not have the overall space of partition, can guarantee that temperature is even.Every 6 meters a fan gate is arranged, transport and transport for rubbish, the old rubbish and the new rubbish of breeding parent as bacterium connect together all the time, be convenient to aerobic flora growth and breeding in new refuse, fermentation period (ten to 12 days static fermentation cycles have been shortened greatly, dynamically fermentation is four to five days), and fermentation is evenly, and quality is good.After once dynamically fermentation is finished, rubbish is transported to secondary static fermentation field 2 from proving room, pass through the static anaerobically fermenting of two weeks again, reach the state of becoming thoroughly decomposed.Through feeding machine 3, rotary conveyor 4 is sent into 5 screenings of drum-type sifting machine then.After screening, screen overflows such as plastics, fabric, glass are through rotary conveyor 12, and shovel loader 13 is delivered to screen overflow refuse tip 14.Screen underflow is diameter particulate composting material below 20 millimeters, again via rotary conveyor 6, by magnetic separator 7, scrap metal is selected sale, composting material is pulverized through beater grinder 8 again, to diameter 5mm particle, by rotary conveyor 9, shovel loader 10 is delivered to compost fermentation field 11, the human excrement that the city is sent here, inject composting material, one deck human excrement covers one deck composting, reaches three meters height, again through two months static fermentations, with shovel loader batch turning repeatedly, mix, form farm organic fertilizer.
1, preheating section (tilting reciprocating grate)
Rubbish is at first in preheating section preheating and drying, because it is big just to have entered the rubbish volume of incinerator, the heap bed thickness is so preheating section is designed to 25 ° of angles.Rubbish is under reciprocal grate promotes, and one side is advanced, and one side is rolled, the unsalted surface of rubbish constantly exposes in rolling, and preheated air and flame radiaton and rubbish working direction form adverse current, and rubbish is constantly stirring, it is in service to puddle fragmentation, obtains ideal preheating and drying effect.
2, combustion-supporting section (horizontal-reciprocating grate)
When incinerator put into operation, combustion-supporting fire grate burning coal improved furnace temperature, when treating that furnace temperature rises to 700 ℃, drops into waste incineration.Treat incinerator reach the trouble-free burning temperature more than 900 ℃ after, combustion-supporting section is out of service.Because the calorific value of Various Seasonal rubbish alters a great deal, in rubbish lower heating value season, the burning heating by combustion-supporting section realizes stable the burning.
3, incineration section (horizontal-reciprocating grate)
After rubbish is preheated to point of ignition, burn in incineration section, the combustiblematerials in the rubbish is by after-flame, and noncombustibles discharges out of the furnace with mucking machine 25, is sent at a distance by rotary conveyor 26 again, transports to noncombustibles by shovel loader 10 again and stacks field 27.Noncombustibles is sold to brick field as brick-making raw material.
4, gaseous combustion section
Pollutents such as the gas of rubbish meeting generation secondary pollutions such as " Dioxins " air in burning and hard carbon, the preheating waste gas of preheating section is not only smelly but also contain a large amount of dust, and the sun power proving room also volatilizes a large amount of foul smell and inflammable gas in fermentation.Therefore, secondary combustion chamber is set, configuration high pressure spray nozzle in furnace wall sprays into high-pressure air before and after the combustion chamber.By preheating fan 18 preheating waste gas is arranged into distribution plenum 21, by burner blower 23 proving room waste gas is sprayed into secondary combustion chamber through distribution plenum 21 with high-voltage secondary wind, highly stir and make imperfect combustion gas, flying dust,, realize thoroughly burning with the fresh air thorough mixing.Guaranteed that the destructor plant air does not pollute.
Consumer waste incineration treatment facility of the present invention is characterized in that being made up of sun power proving room, dynamic agitation machine, multi-stage type incinerator and suspended-liner-type hotblast stove.
Advantage of the present invention and positively effect:
The present invention is based on burning, and the principal feature of the garbage treating process of the formation that combines with compost treatment is: it is huge that emphasis has solved the incineration technology investment, the problem that is difficult to promote, and this art breading amount is big, and refuse treatment realizes innoxious fully, resource utilization.
Owing to adopt sun power fermentation unit fermentation rubbish, greatly reduce the investment of refuse treatment plant, simultaneously, make a part of rubbish become fertilizer and form resource utilization.Screen overflow after the fermentation sorting, because the burning amount reduces, the calorific value of rubbish obviously improves, so reduced the complexity of incinerator design, not only reduce the investment of burning facility significantly, and improved the reliability of incinerator, the working cost of incinerator significantly reduces thereupon.
Utilize hotblast stove, water heater changes the waste incineration waste heat into hot blast, hot water, not but further reduce investment, and simultaneously, for vegetables-basket-works such as city suburbs vegetable grower's heliogreenhouse provide necessary thermal source.
The characteristics of DLF series multi-stage type incinerator: can move the realization continuous production round the clock; Utilize combustion-supporting section to regulate furnace temperature, extensively adapt to Various Seasonal, the burning disposal of different heat value rubbish; Utilize the secondary combustion chamber of special configuration, can all reclaim after-flame or decomposition to the various obnoxious flavoures and the fermentation waste gas that produce in burning, prevented secondary pollution; Secondary combustion chamber is carried out super oxygen amount operation, can reduce the corrosion of the sour gas of burning generation to hardware, reduces failure rate; Easy and simple to handlely need not special training, series product, throughput is day to handle a 50-2000 ton.
The characteristics of DRL series suspended-liner-type hotblast stove are: less investment, and the thermo-efficiency height, power consumption is low, and working cost is low, and floor space is little, is its supporting factory building, draws dust collection system and all reduces investment significantly.This structure, the flue gas hot strength because of by burner hearth and inner bag simultaneously big area absorb rapidly and descend, so improved stove work-ing life, this series of heat wind furnace thermal value 5-120 ten thousand kilocalories/time.
Fig. 1 is a process route view of the present invention
Fig. 2 is a sun power proving room front view of the present invention
Fig. 3 is a sun power proving room side-view of the present invention
Fig. 4 is a multi-stage type incinerator sectional view of the present invention
Fig. 5 is a suspended-liner-type hotblast stove sectional view of the present invention
Structure below in conjunction with accompanying drawing sets forth in detail present device.
The dynamic agitation machine
The bottom of proving room is built by laying bricks or stones by common brick 34, and common brick top stamped concrete collar tie beam 44 is laid light rail 36 on the concrete collar tie beam, and the body 38 that bridge type beam made from angle steel and running gear are formed can back and forth be walked.Fix two supporting legs that suspending in midair 45 below its belly, fixing turning axle on the supporting leg, the curl blade that distributing on turning axle constitutes agitator 42, and agitator is made up of 6 blades at circumferential direction, said structure composition dynamic mixers.Agitator can forward and reversely rotate, and is back and forth stirring rubbish 41 in the walking.The characteristics of dynamic agitation machine are, the spiral blade agitator stirs simultaneously at the same width of proving room, and speed is fast, amount of agitation is big, the not residual stirring of production efficiency height dead angle, and the rubbish levels is stirred evenly, guarantee the amount of oxygen that rubbish fermentation is required, heap layer void content and heap layer temperature.
The sun power proving room
The formation of proving room; Arc beam 39 and the column 37 that to be made up of steel pipe are weldingly fixed on the built-in fitting of concrete collar tie beam 44, No. 2 amphiorentation light-passing boards 35 of ecology from foreign procurement, are contained in arc beam and column outside surface with the Technology of introducing, and form printing opacity roof and wall.This ecological No. 2 amphiorentation light-passing boards are external the nineties novel materials, it is to be made by mineral crystal material and the quartzy material of cross flow, have high transmission rate and high heat retaining property, when solar radiation is absorbed by proving room, convert heat energy heating rubbish to, because the amphiorentation light-passing board does not transmit the long-wave infrared of rubbish radiation, heat energy is retained in the rubbish to greatest extent, the amphiorentation light-passing board has the ultraviolet resistant layer of combined pressure, even be exposed to the sun 10 years in the sun, also still keep high transmission rate, the radiation wave perviousness.
The consumer waste incineration treatment facility is made up of multi-stage type incinerator and suspended-liner-type hotblast stove
The multi-stage type incinerator adopts mechanical type reciprocating grate structure, and the upper strata is a preheating section, combustion-supporting section of middle level, lower floor's incineration section, secondary combustion chamber.Upper strata preheating section 49 is the tilting reciprocating grate, promotes operation by coal pusher 50, and domestic refuse 59 enters preheating and drying in the stove through opening for feed 46, and the middle level is the reciprocating type promotion fire grate of level for combustion-supporting section 51, promotes fire grate 52 motions with coal pusher 53.Rely on independent air feed system 23 to supply with a wind, lower floor's incineration section 58 is a horizontal-reciprocating grate, promoted operation by coal pusher 57, rely on independent air feed system 24 to supply with a wind, secondary combustion chamber 56 is by high-voltage secondary air distribution 54, and various obnoxious flavoures burn, prevent the secondary pollution environment, noncombustibles is discharged from through cinder chamber 60, and incineration flue gas 55 is through flue collector 48, and auxillary flue 47 is discharged from.
The structure of suspended-liner-type hotblast stove: in the round shape vertical furnace chamber 67 that steel plate is made, suspending inner bag 68 in midair with cantalever tube 64, a large amount of steel plates of each inner core surface-welding, radiator element 63,65,66, increase heating surface area to greatest extent, thereby reach the purpose that improves thermo-efficiency.Hot flue gas 71 is washed away barrel from flowing between burner hearth 67 and the inner bag 68 and is transmitted heat by radiator element.This heat passage form because of hot flue gas stroke weak point, and is to be the optimal flow that vertical rising is kept straight on, so the resistance minimum, reduction is drawn the investment of fume and dust and saved energy greatly.Hot first flue gas stroke is washed away 2 heated metal barrels simultaneously, and heating surface area is more high than the heat transmission structure of other form.Calculate thermo-efficiency more than 76%.Freezing air is through cold wind import 62, preheating tube blast inlet 70, and suspended wall blast pipe 64 enters inner bag 68, is in operation and is heated to pure warm air below 200 ℃ gradually, exports to the external world through hot-blast outlet 69 at last.The hot flue gas of incinerator 71 is through gas approachs 72, from convection current between burner hearth 67 and the inner bag 68, after exhanst gas outlet 61 rows to fly-ash separator.
Claims (5)
1. a consumer garbage compost burning disposal technology is characterized in that domestic refuse is discharged into the sun power proving room, under the effect of sun power, the rubbish fermentation temperature-stable at temperature 60-70 ℃; When temperature is too high, start calorifier 23,24, unnecessary temperature and fermentation waste gas are drawn proving room, supply with incinerator by distribution plenum 21 and pipeline 22; When temperature is on the low side, by incinerator preheating section calorifier 18, via pipeline 19, plastics recovery chamber 17 is to the proving room heat supply the incinerator hot blast, the hot waste gas of by calorifier 18 incinerator being discharged when proving room does not need hot blast passes through pipeline 20, and blower fan 23 is supplied with 2 wind to incinerator; Dynamic agitation machine 42 is back and forth walked along the length direction of sun power proving room, and the blade agitators that is fixed on the turning axle is done forward and reverse rotation stirring rubbish; Proving room has a fan gate for there not being the overall space that cuts off every 6 meters; After once dynamically fermentation is finished, rubbish is transported to secondary static fermentation field 2 from proving room,, reach the state of becoming thoroughly decomposed through the static anaerobically fermenting of two weeks; Through feeding machine 3, rotary conveyor 4 is sent into 5 screenings of drum-type sifting machine then, and plastics after screening, fabric, screen overflows such as glass are through rotary conveyor 12, and shovel loader 13 is delivered to screen overflow refuse tip 14; Screen underflow is again via rotary conveyor 6, through magnetic separator 7, scrap metal is selected, and composting material is crushed to below 5 mm granules through beater grinder 8 again, delivers to compost fermentation field 11 by rotary conveyor 9 shovel loaders 10 again, the human excrement that the city is shipped injects composting material, one deck human excrement is carried out the lid layer composting, reaches 3 meters height, again through two months static fermentations, with shovel loader batch turning repeatedly, mix the formation farm organic fertilizer; Screen overflow 14 is transported into incinerator 16 via rotary conveyor 15 and burns, incinerator is three layers four sections, the mechanical type reciprocating grate, noncombustibles can be sold as brick-making raw material, and waste gas of incineration converts pure hot water and hot blast to relevant facility heating heat supply through water heater 30 and hotblast stove 29; The waste gas that produces various obnoxious flavoures and proving room in the burning all is recovered to secondary combustion chamber 56 after-flames and the decomposition of incinerator, prevents secondary pollution.
2. a consumer waste incineration treatment facility of realizing claim 1 is characterized in that being made up of sun power proving room, dynamic agitation machine, multi-stage type incinerator and suspended-liner-type hotblast stove.
3. consumer waste incineration treatment facility as claimed in claim 2 is characterized by the multi-stage type incinerator, three layers four sections mechanical type reciprocating grate structures, upper strata preheating section, combustion-supporting section of middle level, lower floor's incineration section, secondary combustion chamber.
4. burning disposal equipment according to claim 3, it is characterized by: the multi-stage type incinerator, upper strata preheating section 49, be the tilting reciprocating grate, rubbish enters preheating and drying in the stove through feeding mouth 46, combustion-supporting section 51 in middle level is horizontal-reciprocating grate, relies on independent air feed system 23 to supply with a wind, lower floor's incineration section 58 is a horizontal-reciprocating grate, rely on independently wind of air feed system 24 supplies, secondary combustion chamber 56 is by high-voltage secondary air distribution 54, and various obnoxious flavoures burn, prevent the secondary pollution environment, noncombustibles is discharged from through cinder chamber 60, and incineration flue gas 55 is through flue collector 48, and auxillary flue 47 is discharged from.
5. burning disposal equipment as claimed in claim 2, it is characterized by the suspended-liner-type hotblast stove, in the round shape vertical furnace chamber 67 that steel plate is made, suspending the round shape inner bag 68 that steel plate is made in midair, a large amount of steel plate radiator element 63 are being fixed in welding on the cylindrical wall that each layer steel plate made, 65,66, hot flue gas 71 passes through in the middle of burner hearth 67 and inner bag 68 through gas approach 72, be discharged from exhanst gas outlet 61, freezing air is through cold wind import 62, preheating tube blast inlet 70, cantilever blast pipe 64, enter inner bag 68, again through hot-blast outlet 69 outputs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96107046A CN1142480A (en) | 1996-07-11 | 1996-07-11 | Process and apparatus for producing fertilizer from refuse in daily life by firing treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96107046A CN1142480A (en) | 1996-07-11 | 1996-07-11 | Process and apparatus for producing fertilizer from refuse in daily life by firing treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1142480A true CN1142480A (en) | 1997-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96107046A Pending CN1142480A (en) | 1996-07-11 | 1996-07-11 | Process and apparatus for producing fertilizer from refuse in daily life by firing treatment |
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| CN (1) | CN1142480A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100385169C (en) * | 2006-01-05 | 2008-04-30 | 河北农业大学 | Garbage incineration hot air flow power generation device |
| CN1730175B (en) * | 2005-08-01 | 2010-05-12 | 四川海诺尔环保产业投资有限公司 | Domestic refuse comprehensive treatment method |
| CN102989738A (en) * | 2011-09-19 | 2013-03-27 | 成都易生玄科技有限公司 | Method for processing solid household garbage and plant bodies through polycondensation and transmission of light rays |
| CN103586263A (en) * | 2013-11-06 | 2014-02-19 | 武汉理工大学 | Urban garbage aerobiotic-anaerobic biological drying method without external heat source |
| CN105057310A (en) * | 2015-08-10 | 2015-11-18 | 中能润达环境工程有限公司 | Broken glass removing method for resource utilization of organic matter in household refuse |
| CN108033856A (en) * | 2017-12-12 | 2018-05-15 | 西安建筑科技大学 | A kind of device and method that fertilizer is prepared using Eichhornia crassipes |
-
1996
- 1996-07-11 CN CN96107046A patent/CN1142480A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730175B (en) * | 2005-08-01 | 2010-05-12 | 四川海诺尔环保产业投资有限公司 | Domestic refuse comprehensive treatment method |
| CN100385169C (en) * | 2006-01-05 | 2008-04-30 | 河北农业大学 | Garbage incineration hot air flow power generation device |
| CN102989738A (en) * | 2011-09-19 | 2013-03-27 | 成都易生玄科技有限公司 | Method for processing solid household garbage and plant bodies through polycondensation and transmission of light rays |
| CN103586263A (en) * | 2013-11-06 | 2014-02-19 | 武汉理工大学 | Urban garbage aerobiotic-anaerobic biological drying method without external heat source |
| CN103586263B (en) * | 2013-11-06 | 2015-07-22 | 武汉理工大学 | Urban garbage aerobiotic-anaerobic biological drying method without external heat source |
| CN105057310A (en) * | 2015-08-10 | 2015-11-18 | 中能润达环境工程有限公司 | Broken glass removing method for resource utilization of organic matter in household refuse |
| CN108033856A (en) * | 2017-12-12 | 2018-05-15 | 西安建筑科技大学 | A kind of device and method that fertilizer is prepared using Eichhornia crassipes |
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Address after: 100026 No. 11, South Lane, Beijing Agricultural Exhibition Hall Applicant after: Planning and Design Inst., Ministry of Agriculture Address before: 100026 No. 11, South Lane, Beijing Agricultural Exhibition Hall Applicant before: Zhang Liqun |
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