CN103028595A - Energy utilization method for household garbage - Google Patents

Energy utilization method for household garbage Download PDF

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Publication number
CN103028595A
CN103028595A CN2012105054668A CN201210505466A CN103028595A CN 103028595 A CN103028595 A CN 103028595A CN 2012105054668 A CN2012105054668 A CN 2012105054668A CN 201210505466 A CN201210505466 A CN 201210505466A CN 103028595 A CN103028595 A CN 103028595A
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China
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waste
garbage
gas
incinerator
rubbish
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CN2012105054668A
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Chinese (zh)
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周鼎力
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周鼎力
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Priority to CN2012105054668A priority Critical patent/CN103028595A/en
Publication of CN103028595A publication Critical patent/CN103028595A/en

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock
    • Y02P20/143Feedstock the feedstock being recycled material, e.g. plastics

Abstract

The invention relate to an energy utilization method for household garbage. The method comprises the following steps of: carrying out crushing, separating, dehydrating, burning and the like on the household garbage in a continuous manner, simultaneously, carrying out themolysis on separated light garbage materials such as waste plastics so as to prepare fuel oil and/or fuel gas products, and carrying out purifying standardization processing and discharging on waste water discharged by a dehydrator. According to the energy utilization method for the household garbage, the carbohydrate garbage with a low heating value is sequentially subjected to crushing and dehydrating, and the heating value of the garbage can be effectively improved; the energy utilization method for the household garbage belongs to a continuous garbage processing process, and the minimization, the hazard-free treatment and the reutilization can be completely and thoroughly carried out on a mountain of the household garbage; and the energy utilization method for the household garbage has good creativity, novelty and industrial applicability.

Description

The method that turning household garbage into energy utilizes
Technical field
The present invention relates to the method that turning household garbage into energy utilizes; Particularly, belong to the method for take house refuse as waste fuel (fuel oil and/or combustion gas), belong to environmental protection petrochemical technology field;
Background technology
Along with improving constantly of people's living standard, the content of organic waste constantly rises in the house refuse, the perishable environment that rots to affect people's existence of the carbohydrate in the organic waste or living beings (such as melon and fruit peel, vegetables residue, surplus food etc. after the meal); Scientificlly and effectively it is innoxious, minimizing, the particularly recycling of house refuse high value have caused the generally attention of the whole society; At present, the heat utilization conversion ratio of the domestic garbage burning electricity generation that generally adopts is generally at 22-33%, 1 ton of house refuse generated energy is about 280 degree (KWH), the recycling rate is low, causes only depending on go the to support the family minimizing of waste incineration of the financial fund subsidy waste disposal fee of government to be processed; Therefore, organic waste in the ever-increasing house refuse is transformed into the high fuel oil that is suitable for engine (or internal combustion engine) or family's burner (kitchen gas stove and gas heater) burning of commercial value or/and the high heating value combustion gas, commercialization with high benefit of promoting energetically is worth, to accelerate the popularization of consumer waste innocent, minimizing and recovery energy.
Relevant city gas pipe network is delivered to the user as resident living, regulation in the GB " GB/T13612-2006 " of the combustion gas that industrial enterprise produces, and the calorific value of combustion gas is greater than 14MJ/nm 3, or 3349 kilocalories/nm 307 month 01 day calendar year 2001, China issued and implemented the national standard of GB18047-2000 compressed natural gas used as vehicle fuel, and the combustion gas high calorific power of stipulating in this standard must be greater than 31.4MJ/m 3(or 7512 kilocalories/m 3, under the standard state), about utilizing house refuse to be raw material, produce the existing report of method of combustion gas by the heat chemistry switch technology; In ZL201120082883.7, disclose " a kind of comprehensive garbage disposal of effective containment dioxin and utilize method ", it belongs to the technology that a kind of " gasification---burning " processes house refuse, with air and steam as gasifying agent, contain 40-50% (V%) nitrogen in the combustion gas product after the heat treatment, and part H 2, the low-calorie gas component such as CO, do not reach 3349 required kilocalories of cities and towns house gas boiler/Nm 3The minimum calorific value of combustion gas, the combustion gas product can only be as combustion furnace or the fuel of baking bricks, and commercial exploitation is worth low, can better not implement the domestic garbage resource utilization of high value; In the disclosed CN1021540044A of the inventor " a kind of method of producing engine gas with living beings and/or organic waste ", adopt oil liquefied gas and the low-calorie combustion gas product of high heating value to allocate and blend, the calorific value of combustion gas product is reached 〉=31.4MJ/Nm 3.The standard of engine gas exists when adopting 100% house refuse to be raw material, and the calorific value of combustion gas product does not reach 〉=14MJ/m 3, or 3349 kilocalories/m 3.The defective of city gas pipe network fuel gases calorific value;
So far, at China and world patent document databse, relevant aspects such as books, publication, magazine and suitability for industrialized production application, also do not find and utilize house refuse to be waste high heating value combustion gas (〉=14MJ/m 3) report; Owing to contain a large amount of low-calorie living beings and the composition of carbohydrate in the house refuse, cause containing a large amount of low-calorie H2, CO gas in the combustion gas product after the heat treatment, so that the calorific value of fuel gas product is low, do not reach the fuel gases calorific value quality standard of the combustion gas of city gas pipe network or domestic gas cooker, can only as the fuel of cheap industrial combustion furnace, have the low defective of recycling commercial value of domestic rubbish disposal;
Purpose of the present invention is exactly defective and the deficiency that will overcome and remedy above-mentioned technology; providing a kind of is raw material with house refuse; utilize the heat chemistry switch technology; produce high combustion gas or the industrial fuel oil of commercial value that reaches the requirement of city gas pipe network, with the method for the scale of implementing domestic rubbish disposal, serialization, energy (organic matter in the rubbish changes into fuel), minimizing, innoxious (do not produce two dislike because of), energy-saving and environmental protection, many-sided advantage such as efficient.
Summary of the invention
By the present invention, the method for turning household garbage into energy utilization is provided, belong to the method for take house refuse as waste fuel (fuel oil and/or combustion gas), may further comprise the steps
(1) domestic waste is shipped by the rubbish vehicle, after the weighbridge weighing, pour in the garbage pool, then sent in the refuse grinder by the rubbish materials-taking machine, or directly the garbage transporting vehicle is transported the house refuse raw material that comes and directly pour in the refuse grinder, be broken into 30 centimeters following sizes;
(2) house refuse after the fragmentation is sent into carried out sorting in the separator, the restructuring minute feed separation such as the light component materials such as the waste plastics that sub-elects and carbohydrate are opened, carry out respectively Collection and use; Side by side, the light components materials such as waste plastics that sort out are carried out pyrolysis and produce fuel oil and/or combustion gas;
(3) restructuring that above-mentioned (2) is sub-elected divides material to send in the dehydration equipment to dewater, and collects respectively the waste water that material after the dehydration and dehydration equipment are discharged; Side by side, according to known purification of waste water treatment technology equipment, constantly the waste water of collecting is purified processing up to standard and qualified discharge; (4) restructuring after above-mentioned (3) dehydration is divided material to be sent to burn in the incinerator to cinder, the high-temperature flue gas that produces in burning and ashes are reclaimed and utilize; The flue gas that further purified treatment incinerator is discharged;
Minute choose in above-mentioned (2), the meaning that fuel oil and/or combustion gas are produced in the light components materials such as described waste plastics implementation pyrolysis refers to: the light component materials such as waste plastics that sub-elect are sent in the pyrolytic reaction equipment, oil Refining Technologies equipment according to routine, carry out successively thermal decomposition and/or catalytic pyrolysis, condensation, Oil-gas Separation or water-oil separating, and the process such as water seal potting pressure, produce fuel oil and/or combustion gas; Produce the high-temperature flue gas that fuel oil and/or combustion gas institute calorific requirement mainly produces from above-mentioned (4) incinerator;
The high-temperature flue gas that will produce in described will the burning and ashes reclaim and the meaning utilized refers to: the high-temperature flue gas that discharges in the incinerator can be incorporated in the pyrolytic reaction equipment, heat is provided for thermal decomposition and/or the catalytic pyrolysis of waste plastic fuel oil and/or combustion gas, or produce steam for waste heat flue gas boiler heat supplying amount, the ashes that incinerator is discharged can be utilized as the building materials raw material, such as the material as brickmaking;
Described house refuse raw material further comprises medical waste and/or changing food waste;
Described refuse grinder belongs to conventional solid crushing machine, for example: screw auger formula disintegrating machine, shearing (vertical or horizontal) formula disintegrating machine, at a high speed (vertical or horizontal) gyratory crusher, low speed rotation single shaft or double-shaft crusher etc.; Broken function is crushed to 30 centimeters below the size with the house refuse raw material;
Described separator belongs to conventional Cull eliminator of home scrap, comprising: rotary screen rotary type sorting machine, pneumatic separator, vibratory sieve sorting machine etc.; The house refuse of sorting function after with broken (or broken bag) is separated into light refuse material and heavy rubbish material, and collects respectively with for subsequent use;
Described dewaterer belongs to conventional electronic garbage dewatering, comprising: spiral squeezing type dewaterer, centrifugal drier, slot type or drum type brake hydraulic pressure water squeezing dewaterer, and the fluid pressure type dewaterer of similar baling press principle etc.; To sub-elect or remove behind the light refuse material such as waste plastics remaining heavy rubbish material and be sent to and dewater in the described dewaterer, through the dehydration of dewaterer, discharge stream is out from dewaterer for a large amount of waste water;
Described incinerator belongs to conventional incinerator, comprising: horizontal reciprocating fire grate incinerator, vertical grate formula incinerator, fluidized bed incinerator, CFB Incinerator and other known incinerator; With the fuel of the heavy rubbish material after the dehydration as incinerator, be sent in the described incinerator and burn to cinder, the high-temperature flue gas that produces in burning is incorporated in the Equipment for Heating Processing (such as pyrolytic reaction still or waste heat boiler), reclaim that heat carries out heat energy recycle in the high-temperature flue gas, the ashes that incinerator is discharged as building materials brickmaking recycle;
Described pyrolytic reaction equipment, belong to conventional carbonization reactor, comprising: answer device, circulation fluidized bed pyrolysis reactor, moving bed pyrolysis reactor, serialization hermetic rotary cylindrical shell cracking reaction still, clearance-type hermetic rotary cylindrical shell cracking reaction still, helix tube type reactor with vertical pyrolysis reactor, the pyrolysis reactor of Horizontal band spiral agitator, the anti-pyrolysis of fluid bed of agitating device, and other known pyrolysis reactor; Its Main Function is: according to known waste plastics pyrolytic technique, with thermal decomposition or the destructive distillation under the light materials such as the waste plastics enforcement oxygen free condition that sorts out in the rubbish, produce the gas-phase product of fuel;
Described purification of waste water treatment facility belongs to the conventional sanitary wastewater purification apparatus by device formations such as aeration flocculation, anaerobism and/or aerobic (MBR technique), counter-infiltrations; The waste water that utilizes this purification of waste water treatment facility that described garbage dewatering is discharged purifies processing up to standard;
Carbohydrate occupies very high percent volume to volume (V%) and percentage by weight (W%) in the house refuse of reality, particularly the rainy season of south China is long, rainfall is abundant, moisture in the house refuse is also high, cause house refuse often to present the low heat value situation, if burn fully or thoroughly cracking, will a certain amount of fuel of additive decrementation, to replenish and to satisfy cracking or burn required basic heat.Carbohydrate in the house refuse is mainly by rotten melon and fruit, melon and fruit peel, the residual leaf of vegetables, restaurant, kitchen rubbish, surplus food institute is formed after the meal; In these carbohydrate, the weight percent content of moisture (W%) surpasses the weight percent content (W%) of several times solid butt; After the fragmentation and processed by rubbish, the percent volume to volume of rubbish example (V%) reduces greatly, and the weight percent content of solid butt (W%) rises greatly; Side by side, the eliminating of moisture in the rubbish causes the calorific capacity of rubbish greatly to rise, and its calorific capacity can satisfy or surpass waste incineration this moment to cinder institute calorific requirement; But in single waste incineration method, the moisture in the rubbish depends on absorbing heat to evaporate away, has therefore caused serious energy waste;
Especially, practice shows: the lightweight organic matter such as contained waste plastics, paper scrap, grass in the house refuse, have light specific gravity, compression or very large elasticity is arranged when crowded, be difficult for the characteristic that compacting compresses, when causing that the ortho states house refuse that contains the light materials such as waste plastics carried out extrusion dehydration, also have a large amount of moisture can not be from house refuse extrusion flow out, refuse thermal value after the dehydration is low, calorific value can not improve, incomplete combustion during waste incineration, need to burn to cinder behind the postcombustion extraly, increased the integrated cost of domestic rubbish disposal;
Therefore, the present invention sorts out the light components materials such as waste plastics, paper scrap, grass first from house refuse, will sub-elect again the light components material after remaining heavy house refuse material carry out extrusion dehydration; Because this heavy rubbish material is more nonelastic than great, extruding or when compression, easily compacting, the large quantity of moisture that is easy to contain in this heavier feeds flows out when extruding, greatly reduced the degree of moisture in the heavy rubbish material, improved the calorific value of heavy rubbish material, when having guaranteed that heavy rubbish material after the dehydration burns no longer extraly postcombustion just can burn to cinder, reduced the integrated cost of domestic rubbish disposal; This is exactly one of feature of the present invention;
Method of the present invention possesses following advantage:
(1) carries out fast cheaply mechanization sorting or screening behind the Domestic garbage crushing, overcome and reduced the trouble of classifying at residential quarter ecosystem rubbish;
After the low-calorie restructuring such as the carbohydrate that the moisture that (2) sorts out from house refuse is high such as melon and fruit peel, the vegetables of rotting divide solid refuse through fragmentation and extrusion dehydration, so that the volume of rubbish dwindles greatly, calorific value improves, and can accelerate and guarantee effectively burning for a full due to cinder of solid refuse; Employing is to the first broken rear dehydration of low-calorie carbohydrate solid rubbish, can effectively reduce the volume of rubbish and the calorific value of raising rubbish, can effectively satisfy the high low-calorie house refuse of moisture content in rainy season of south China burns fully to cinder, do not need extra oil spout or add other fuel combustion supporting, reduced the domestic rubbish disposal cost;
(3) the light component material after the fragmentation of house refuse process and the separator sorting mainly is the high heating value hydro carbons discarded objects such as waste plastics; And the low-calorie carbohydrate such as the melon and fruit peel in the rubbish, the vegetables of rotting have been collected in the restructuring minute material through fragmentation and sorting; Individually to the light component thing of the high heating values such as waste plastics carry out thermal cracking and/or catalytic pyrolysis, condensation, gas-liquid or water-oil separating, the water sealed tank stern seal is pressed and is processed, can collect the combustion gas of the high heating value of the high fuel oil of economic worth and nonnitrogenous gas, unnecessary remaining energy or/and the form deposit of combustion gas gets up, had improved the economic benefit of domestic rubbish disposal with fuel oil during the garbage harmless minimizing processed; Especially, cause burning when incomplete if waste incineration calorific value deficiency occurs, can will collect or the part combustion gas of deposit or fuel oil turn back to and carry out combustion-supportingly in the incinerator, do not need additionally to buy other fuel; Especially, the high-temperature flue gas that utilizes noncondensing imflammable gas product that pyrolytic reaction obtains and the heavy rubbish material behind the garbage dewatering to burn in incinerator to produce is produced the thermal source of fuel as light refuse materials such as waste plastics, has greatly reduced the operating cost of the processing of rubbish;
(4) equipment of the present invention all belongs to the standardization commodity of industrial normal use, and is reliable, and technology maturation is simple in structure, easy to maintenance, cheap;
(5) the invention belongs to the serialization garbage treating process, the house refuse that pile up like a mountain fully can be carried out minimizing, innoxious and resource up hill and dale; Have good creativeness, novelty and industrial applicibility.
Description of drawings
Accompanying drawing is in the schematic process flow diagram of the inventive method, 1-refuse grinder, 2-smoke and waste steam boiler, the 3-separator, 4-gas cleaning treatment facility up to standard, 5-dewaterer, the 51-buncher, 52-discharging opening, 53-draining orifice plate, the 54-charging aperture, 6-wastewater collection pond, 7-sewage pump, 8-sewage purification treatment facility up to standard, 81-water discharging valve door up to standard, 9-incinerator, 91-fuel charge case, 92-ashes outlet, 93-reciprocating fire grate, the 10-ash storage box, 11-brick equipment, 12-gas storage cabinet, 13-fuel output valve door, the 14-combustion gas enters the valve of incinerator, the 15-knockout drum, the 151-fuel oil, 152-sells penstock, 16-water sealed tank, the 17-pyrolysis reactor, 171-flue gas chamber, the motor of 172-agitator, the 173-charger, the outlet of 174-pyrolysis carbon residue, the outlet of 175-pyrolysis gas-phase product, 18-condenser;
The specific embodiment
As shown in drawings, in one embodiment of the invention, but the present invention is not limited; Method of the present invention comprises: house refuse is carried out continuous treatment according to technological processes such as fragmentation, sorting, dehydration and burnings, side by side, the light refuse materials such as waste plastics that sort out are carried out pyrolysis produce fuel oil and/or fuel gas product, the waste water that dewaterer is discharged purifies processing up to standard and discharging; The high-temperature flue gas that incinerator is discharged carries out heat recovery and utilization, further the flue gas that carries out behind the heat recovery and utilization is implemented purified treatment, makes the flue gas after the purified treatment reach discharging standards; Concrete steps are:
I) domestic waste is shipped by the rubbish vehicle, adds in the garbage pool after the weighbridge weighing, and the garbage pool volume is about 1000-2000m 3, the garbage pool top is equipped with clamshell crane, is used for the feed of rubbish; With clamshell crane the 1500KG house refuse is picked up and is moved into and be broken into the broken thing of the fritter that is not more than 30 cm sizes in the twin shaft Kun formula disintegrating machine (1); Side by side, whole carbohydrate such as melon and fruit peel, the residual thing of vegetables are broken into slurry;
Ii) rotary screen that above-mentioned broken thing is submitted routine with belt conveyer rotates in the horizontal separator (3) and carries out sorting, the heavy rubbish materials such as the light refuse materials such as the waste plastics that sub-elects and carbohydrate are separated, carried out respectively Collection and use; Side by side, the light components materials such as waste plastics that sort out are carried out pyrolysis produce fuel oil and/or combustion gas, concrete operations are as follows:
The above-mentioned light refuse materials such as waste plastics that sort out are constantly sent in the airtight horizontal cylinder cracking reaction still (17) with spiral agitator with feed screw (173), and a certain amount of fine catalyst take ZSM-5 as active component sneaked in the material, send into continuously in the airtight horizontal cylinder cracking reaction still (17) with spiral agitator, high temperature (900-1100 ℃) flue gas of discharging with incinerator (9) heats to the outer wall heating clamber (171) with the horizontal cylinder cracking reaction still (17) of spiral agitator, temperature in the reactor (17) is controlled at 350-400 ℃, and pressure is controlled at 0.03-0.08MPa; The materials such as waste plastics anaerobic airtight with the horizontal cylinder cracking reaction still (17) of spiral agitator in advance from the charger (173) of an end, gas-phase product and destructive distillation solid carbon residue that pyrolysis produces are discharged respectively from the other end (175,174); Material is shifted to the pyrolysis time of the other end for caning be controlled in 25-30 minute from an end of reactor (17), this moment organic matter generation thermal cracking and the catalytic cracking reaction in the material, as remaining after the meal food, melon and fruit peel, waste plastics, scrap rubber, paper, cloth, leather, grease, wood chip ... etc., after cracking and catalytic reaction, material is broken down into and contains CO 2, H 2The gas-phase product of O, this gas-phase product are discharged through gas-phase product outlet (175) and are answered still (17); Gas-phase product is introduced into condenser (18) condensation, enters the implementation gas-liquid separation of knockout drum (15) again, the incoagulability combustion gas gas on knockout drum (15) top is introduced in the water of water sealed tank (16), it is stand-by that the gas that overflows from water is input to the interior deposit of gas storage cabinet (12), knockout drum (15) bottom is liquid fuel (151), knockout drum (15) bottom is water, and water excretes knockout drum (15) through valve (152); The combustion gas of gas storage cabinet (12) deposit is turned back in the incinerator (9) burning through valve (14) to produce high-temperature flue gas (900-1100 ℃) and provides heat to cracking reaction;
Through Pintsch process, material is broken down into gas-phase product and solid residue, and this gas-phase product is recycled into and is fuel oil and incoagulability imflammable gas, and fuel oil can be used as merchandise sales, and the present invention has really accomplished the resource of domestic rubbish disposal; The solid residue that pyrolysis produces enters the auger conveyor from the other end slag-drip opening (174) of airtight reactor (17) continuously, deliver to again in the charge door (91) of incinerator (9) through auger conveyor is defeated, and enter in the incinerator (9) and burn to cinder;
Iii) restructuring that above-mentioned (2) is sub-elected divides rubbish material to send into to pressurize in the electric screw extrusion-type dewaterer (5) and the squash type dehydration, moisture in the material is taken off to 15-25% (Wt%), lay in the rubbish material after the dehydration stand-by; The water that dewaterer (5) is extruded is collected and laid in the wastewater collection pond (6) of special use, adopt first step flocculation, second step anaerobic fermentation, the aerobic MBR film biochemical treatment of the 3rd step, the technological processes such as the 4th step water sterilization, after waste water in wastewater collection pond (6) carried out purified treatment, the water quality after the processing reached " GB18918-2000 " municipal sewage plant discharge standard;
Iv) rubbish material after above-mentioned (3) dehydration is submitted with conveying worm in the horizontal reciprocating fire grate incinerator (9) of routine burn to cinder, and emit heat and produce high-temperature flue gas; The high-temperature flue gas (900-1100 ℃) of discharging in the incinerator (9) is incorporated into above-mentioned ii) in the outer wall heating clamber (171) of airtight horizontal cylinder cracking reaction still (17) with spiral agitator heat, heat is provided for thermal decomposition and/or the catalytic pyrolysis process of waste plastic fuel, heat is all recycled; When rubbish material Lower heat value occurs (namely, during LHV) less than 3344KJ/KG, to cause the middle heavy rubbish material of incinerator (9) to burn not exclusively thoroughly, or the incinerator flue gas heat of discharging is can not satisfy the needed heat of cracking of the light refuse material such as waste plastics the time, the combustion gas of deposit is as the fuel of combustion furnace (9) in the fuel oil of just collecting with cracking reaction (151) and/or the gas storage cabinet (12), to supply garbage disposal institute calorific requirement, do not need so additionally to buy fuel oil, reduce operating cost, accomplished the resource of garbage disposal; The ashes that constantly incinerator (9) produced are discharged incinerator (9), ashes are utilized as the building materials raw material, as being used as the required brick producing material of brick machine (11); Further the flue gas after the heat utilization is carried out purified treatment, the comprehensive purifying standard processing method of limewash spray column (4) desulfurization and bag-type dust is adopted in the purification of flue gas in the present embodiment, and the flue gas after up to standard is entered atmosphere through chimney;
Obtain following key data and result through above-mentioned technical process:
House refuse: 1500KG;
Rubbish physical property (W%): moisture 35.9%, total solid class (comprising carbohydrate, waste plastics, cellulose, metal, flyash etc.) 64.1%, pH value is 8.40, volume is 0.55 ton/m 3The volume of 1500KG rubbish: 2.72M 3
The elementary analysis of rubbish: H 9.02% (w%); C 25.3% (w%); O 55.31% (w%); S 0.4% (w%); N 1.4% (w%); Metal and inorganic matter 8.57% (w%);
The light components such as the waste plastics that sub-elects: 229.5kg (15.3%, wt%)
The heavy waste component that sub-elects: 1270.5kg (84.7%, wt%)
Dehydrating amount after the extruding of heavy rubbish: 622.5KG (41.5%, Wt%)
Weight behind the heavy garbage dewatering: 648kg (43.2%, Wt%)
Catalyst for cracking powder: 1kg (ZSM-5 catalyst);
Cracking reaction temperature: 350-400 ℃;
The flue-gas temperature that combustion furnace produces: 900-1100 ℃
The processing time of rubbish: 105 minutes;
Thermally cracked kettle internal pressure: 0.03-0.08Mpa
Product (W%):
Fuel oil: 121.95KG accounts for 8.13%;
Fuel oil calorific value: 9867 kilocalories/kg
Imflammable gas (H 2And C 1-C 6): 379.65KG accounts for 25.31%;
The calorific value of imflammable gas: 25.7MJ/nM 3
Inorganic residues and metal: 128.55KG accounts for 8.57%
Moisture (comprising the water that water of compaction and cracking produce): 822.9KG accounts for 54.86%;
Other (comprising the acid gas component in the flue gas): 46.95KG accounts for 3.13%;
Rubbish subtracts the appearance effect:
The averag density of residue and metal: 3.26 tons/M 3
128.55KG residue and metal account for volume: 0.039M 3(0.12855 ÷ 3.26)
The remaining rate of rubbish (V%): 7.16%[(0.039 ÷ 0.55) * 100%]
Rubbish volume reduction rate (V%): 92.83%[100%-7.16%].

Claims (4)

1. the method utilized of turning household garbage into energy may further comprise the steps:
(1) domestic waste is shipped by the rubbish vehicle, after the weighbridge weighing, pour in the garbage pool, then sent in the refuse grinder by the rubbish materials-taking machine, or directly the garbage transporting vehicle is transported the house refuse raw material that comes and directly pour in the refuse grinder, be broken into 30 centimeters following sizes;
(2) house refuse after the fragmentation is sent into carried out sorting in the separator, the waste plastics light component material and the carbohydrate restructuring minute feed separation that sub-elect are opened, carry out respectively Collection and use; Side by side, the waste plastics light components material that sorts out is carried out pyrolysis and produce fuel oil and/or combustion gas;
(3) restructuring that above-mentioned (2) is sub-elected divides material to send in the dehydration equipment to dewater, and collects respectively the waste water that material after the dehydration and dehydration equipment are discharged; Side by side, according to known purification of waste water treatment technology equipment, constantly the waste water of collecting is purified processing up to standard and qualified discharge;
(4) restructuring after above-mentioned (3) dehydration is divided material to be sent to burn in the incinerator to cinder, the high-temperature flue gas that produces in burning and ashes are reclaimed and utilize; The flue gas that further purified treatment incinerator is discharged.
2. according to claim 1 method, it is characterized in that: the meaning that fuel oil and/or combustion gas are produced in described waste plastics light components material implementation pyrolysis refers to: the waste plastics light component material that sub-elects is sent in the pyrolytic reaction equipment, oil Refining Technologies equipment according to routine, carry out successively thermal decomposition and/or catalytic pyrolysis, condensation, Oil-gas Separation or water-oil separating, and the process such as water seal potting pressure, produce fuel oil and/or combustion gas; Produce the high-temperature flue gas that fuel oil and/or combustion gas institute calorific requirement mainly produces from above-mentioned (4) incinerator.
3. according to claim 1 method, it is characterized in that: the high-temperature flue gas that will produce in described will the burning and ashes reclaim and the meaning utilized refers to: the high-temperature flue gas that discharges in the incinerator is incorporated in the pyrolytic reaction equipment, thermal decomposition and/or the catalytic pyrolysis of producing fuel oil and/or combustion gas for waste plastics light component material provide heat, or produce steam for waste heat flue gas boiler heat supplying amount, the ashes that incinerator is discharged can be utilized as the building materials raw material, such as the material as brickmaking.
4. according to claim 1 method, it is characterized in that: described house refuse raw material further comprises medical waste and/or changing food waste.
CN2012105054668A 2012-12-03 2012-12-03 Energy utilization method for household garbage CN103028595A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
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CN103911168A (en) * 2014-04-09 2014-07-09 江苏河海科技工程集团有限公司 Integral rapid carbonizing treatment technology for municipal waste
CN104128349A (en) * 2013-05-02 2014-11-05 周鼎力 Device for production of fuel oil and fuel gas and/or flue gas power generation through household garbage
CN105505414A (en) * 2016-01-26 2016-04-20 王志成 Method for anaerobic thermal catalytic cracking of solid waste
CN105537240A (en) * 2015-12-25 2016-05-04 安徽继宏环保科技有限公司 Bag opening and emptying machine of municipal solid waste treatment system
CN105618465A (en) * 2016-03-18 2016-06-01 深圳市绿能量环境科技有限公司 Low-value large solid waste treatment method and device
CN105750309A (en) * 2016-05-10 2016-07-13 中国环境科学研究院 Comprehensive garbage treatment system and method for comprehensively treating garbage with comprehensive garbage treatment system
CN105903749A (en) * 2016-06-01 2016-08-31 北京神雾环境能源科技集团股份有限公司 Household garbage treatment method and system
CN106635079A (en) * 2016-12-19 2017-05-10 湖南万容科技股份有限公司 Solid waste RDF treating method
CN107244515A (en) * 2017-07-24 2017-10-13 河北极度新能源科技有限公司 A kind of environment-protection garbage truck
CN108592046A (en) * 2018-05-01 2018-09-28 聊城氟尔新材料科技有限公司 A kind of dead catalyst disposal plant and its technique
CN111051478A (en) * 2017-08-31 2020-04-21 株式会社下濑微生物研究所 Fuel processing device and fuel processing method based on fermentation drying of processing object

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CN105537240A (en) * 2015-12-25 2016-05-04 安徽继宏环保科技有限公司 Bag opening and emptying machine of municipal solid waste treatment system
CN105505414A (en) * 2016-01-26 2016-04-20 王志成 Method for anaerobic thermal catalytic cracking of solid waste
CN105505414B (en) * 2016-01-26 2019-03-05 广州维港环保科技有限公司 A kind of solid refuse anaerobic catalytic thermocracking process
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CN105750309A (en) * 2016-05-10 2016-07-13 中国环境科学研究院 Comprehensive garbage treatment system and method for comprehensively treating garbage with comprehensive garbage treatment system
CN105903749A (en) * 2016-06-01 2016-08-31 北京神雾环境能源科技集团股份有限公司 Household garbage treatment method and system
CN106635079A (en) * 2016-12-19 2017-05-10 湖南万容科技股份有限公司 Solid waste RDF treating method
CN107244515A (en) * 2017-07-24 2017-10-13 河北极度新能源科技有限公司 A kind of environment-protection garbage truck
CN111051478A (en) * 2017-08-31 2020-04-21 株式会社下濑微生物研究所 Fuel processing device and fuel processing method based on fermentation drying of processing object
CN108592046A (en) * 2018-05-01 2018-09-28 聊城氟尔新材料科技有限公司 A kind of dead catalyst disposal plant and its technique
CN108592046B (en) * 2018-05-01 2020-12-25 聊城氟尔新材料科技有限公司 Waste catalyst disposal device and process thereof

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