WO1992001771A1 - Procede de transformation de dechets en corps solides et procede de brulage dudit corps solide - Google Patents

Procede de transformation de dechets en corps solides et procede de brulage dudit corps solide Download PDF

Info

Publication number
WO1992001771A1
WO1992001771A1 PCT/JP1991/000961 JP9100961W WO9201771A1 WO 1992001771 A1 WO1992001771 A1 WO 1992001771A1 JP 9100961 W JP9100961 W JP 9100961W WO 9201771 A1 WO9201771 A1 WO 9201771A1
Authority
WO
WIPO (PCT)
Prior art keywords
waste
crusher
reactor
earth metal
metal oxide
Prior art date
Application number
PCT/JP1991/000961
Other languages
English (en)
Japanese (ja)
Inventor
Muneo Azegami
Shozo Suzuki
Original Assignee
Prand Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2193798A external-priority patent/JP2954990B2/ja
Priority claimed from JP2401438A external-priority patent/JPH04210284A/ja
Priority claimed from JP3032760A external-priority patent/JP2798189B2/ja
Priority claimed from JP3071221A external-priority patent/JP3067827B2/ja
Application filed by Prand Research Institute filed Critical Prand Research Institute
Publication of WO1992001771A1 publication Critical patent/WO1992001771A1/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L5/00—Solid fuels
    • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
    • C10L5/48—Solid fuels essentially based on materials of non-mineral origin on industrial residues and waste materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • 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

Definitions

  • the present invention targets flammable waste that has been treated and disposed of in a conventional municipal solid waste incinerator, by subjecting it to a physical and chemical reaction treatment to produce solids that can be used as recycled resources (hereinafter referred to as the product).
  • the product is used as a hybrid fuel suitable for the purpose by directly using the product as it is and mixing it with a solid fuel such as coal as appropriate.
  • the present invention also relates to an incineration method in which the solids are put into an incinerator and incinerated.
  • incineration technology is intended to uniformly burn chemicals such as plastics in waste, so that conventional incineration technology will be improved to a more advanced combustion technology, for example, by introducing a fluidization method. Became.
  • new technologies are being developed for exhaust gas treatment, such as measures against NOx and the removal of harmful chemicals such as dioxins.
  • the second reason is that the organic matter contained in combustible waste is biologically unstable, and when used as fuel, emits offensive odors, generates methane gas, breaks down products, etc. This had a negative effect on the environment inside and outside the factory, and caused trouble in the transport and storage operations. In addition, methane gas caused fire and explosion accidents.
  • the fuel is used alone, and when used alone as a fuel, the boiler has a negative effect of lowering the efficiency.
  • the first object of the present invention is to improve the conventional waste disposal method that relied on incineration and landfill, and to convert so-called combustible waste into substances that can be used as recycled resources
  • the present invention provides a method for producing solids from waste, which solves the above-mentioned difficult reasons that have been faced in the field of ⁇ fuel conversion '', in which natural fuels can be used as substitutes.
  • a second object of the present invention is to chemically and physically treat perishable organic substances, mainly carbohydrates, proteins, fats, etc., contained in waste with additives such as alkaline earth metal oxides.
  • Another object of the present invention is to provide a method for producing a solid fuel that can be converted into a biologically stable substance, thereby enabling long-term storage and stable combustion.
  • a third object of the present invention is to provide a method for producing the hybrid fuel by mixing the resulting "products" alone or in combination with coal, and mixing with other natural fuels. It is to provide.
  • a fourth object of the present invention is to provide a waste pre-treatment step to carry out the chemical reaction and physical operation according to the present invention in order to improve the existing incineration technology from the aspect of environmental protection. the by modifying, plant sanitation in storage process of the waste, with dripping also the effect of prevention of odor-causing, at C a 0 2 effects of Al force Li earth metals, such as added in the combustion process It is an object of the present invention to provide a method for incinerating solids that has the effect of cleaning exhaust gas.
  • the waste such as municipal waste is put into a waste receiving tank, it is solidified by a dry neutralization reactor through a first crusher, a second crusher, and a mixed distillation reactor.
  • a dry neutralization reactor After the waste such as municipal waste is put into a waste receiving tank, it is solidified by a dry neutralization reactor through a first crusher, a second crusher, and a mixed distillation reactor.
  • the addition amount of the alkaline earth metal oxide according to the characteristics of the waste is added to rationalize physical and chemical
  • This is a method for producing solids from waste, which is characterized by conducting a reaction treatment. .
  • the waste receiving tank or the first crusher is added with 0 to 30% of the total amount of the alkaline earth metal oxide added to the waste.
  • Physical and chemical reaction treatment, or in the second crusher physical and chemical reaction treatment by adding 0 to 50% of the total addition amount of alkaline earth metal oxide to the waste.
  • a physical and chemical reaction treatment is performed by adding 2 to 100% of the total amount of the alkaline earth metal oxide to the waste.
  • the total amount of the alkaline earth metal oxide is added at an appropriate ratio in a plurality of locations of the waste receiving tank, the first crusher, the second crusher, and the mixed storage reactor. It is desirable to perform physical and chemical reaction treatment.
  • the value of K is in the range of 0.2 to 1.2.
  • the waste receiving tank, the first crusher, the second crusher, the mixed storage reactor, and the dry neutralization reactor pass through the waste receiving tank, the first crusher, the second crusher, and the like from the municipal waste.
  • an appropriate alkaline earth metal oxide to one or more of the crusher, the second crusher, and the mixed storage reactor, and performing a physical and chemical reaction treatment, It is possible to obtain solids that are effective as fuels and materials for civil engineering and construction materials.
  • the alkaline earth metal oxide added in each of the above processes can reduce 11% of organic matter by analyzing and measuring water, plastics, inorganic substances, and resource substances that constitute waste such as municipal solid waste. It is possible to calculate and obtain an effective and optimum addition amount based on the percentage of the organic matter U.
  • the present invention provides a mixing and storage reactor in which an appropriate amount of an additive containing alkaline earth metal oxide is charged into a mixing and storage reactor, and the waste which has been previously crushed and from which incombustibles have been removed is added.
  • the reacted first product waste is charged into a mixed degassing reactor, and an appropriate amount of an additive containing an alkaline earth metal oxide is added as necessary, to perform the mixing reaction and
  • the reaction product gas is degassed, the reacted second product waste is put into a compression molding machine to perform compression molding, and then the compression molded third product waste is put into a dry neutralization reactor. Dry neutralization reaction, and, if necessary, sieving with a sieving machine to obtain solid fuel.
  • the reaction in the mixed storage reactor is performed in a closed state, at a temperature of 60 to 100 and at a temperature of not more than 1 hour, and the reaction in the mixed deaeration reactor is performed in an exhausted state. It is preferable to perform at least 5 minutes at a higher temperature for at least 5 minutes.
  • the waste was coarsely crushed by a first crusher and non-combustibles were selectively removed in order to obtain finely crushed waste, and then crushed.
  • An appropriate amount of additive containing alkaline earth metal oxide is added to the waste, crushed by the second crusher, and the incombustibles contained in the composite material of the waste are separated and removed.
  • the waste is finely crushed by a third crusher, and further, the reacted first generated waste, the degassed second generated waste, or sieved by the sieve. Powder waste as needed At the same time, it is desirable to reflux only a necessary amount to the mixed storage reactor.
  • a solid material serving as a clean fuel can be obtained from waste such as refuse.
  • the resulting solids are physically, chemically and biologically stabilized and can be stored for long periods of time.
  • the present invention is a method for producing a hybrid flint, which comprises performing a compression molding process or a granulation process after mixing a natural fuel with a waste solid fuel and then subjecting the mixed fuel to a natural fuel.
  • the hybrid fuel contains waste fuel at a constant rate, and therefore can be manufactured at a lower cost than the conventional cost of 100% natural fuel.
  • solid fuel contains alkaline earth metal oxides such as Ca0, it absorbs acidic gas contained in exhaust gas, resulting in a clean fuel with no environmental pollution. can do.
  • This hybrid fuel can be used as fuel for small boilers such as simple stoves, etc., and its quality is close to that of anthracite, and it contains solid fuel from waste.
  • the quality is as effective as a binder, making it easier to granulate. It has a calorific value equivalent to that of low-grade coal, which is intermediate between solid fuels made from natural fuels and wastes, and can be sufficiently used as industrial fuels, and can be used for many uses of various fuels.
  • the present invention provides a method for manufacturing a waste container, comprising: inserting waste such as municipal solid waste into a waste receiving tank, and then charging the waste into an incinerator to incinerate the waste; It is characterized in that the physical and chemical reaction treatment is performed rationally by adding the amount according to the characteristics of the waste. Waste incineration method.
  • waste incineration method characterized by adding an amount of an alkaline earth metal oxide according to the properties of the waste to one of the two and rationally performing a physical / chemical reaction treatment.
  • waste incineration method characterized by the following:
  • the waste such as municipal waste is put into the waste receiving tank, it is put into the incinerator via the first crusher, the first sorter, the second crusher, the second sorter, and the mixed distillation reactor, and is disposed of.
  • the waste receiving tank, the first crusher, the second crusher, and the mixed storage reactor may be used as alkaline earth metal. This is a waste incineration method characterized in that an appropriate amount of oxide is added and a physicochemical reaction is performed rationally.
  • an appropriate amount of alkaline earth metal oxide is added in the processing steps up to the waste receiving tank, the first crusher, the second crusher, or the mixed storage reactor to provide physical and chemical
  • the incineration treatment can prevent corrosion due to water formation, eliminate acidic gases such as hydrogen chloride and sulfur oxides, and achieve high efficiency You can get lean energy. It can also be applied efficiently to co-firing with refuse in coal-fired plants.
  • FIG. 1 shows a conceptual process diagram for obtaining solids (fuel) from collected waste and incinerating an intermediate product according to an embodiment of the present invention.
  • FIG. 2 shows a process chart of an embodiment of a production method for producing a hybrid fuel by mixing solid fuel and natural fuel by the waste obtained in the process shown in FIG. is there.
  • FIG. 1 is a conceptual diagram showing a process for obtaining solids from collected waste and incinerating an intermediate product according to an embodiment of the present invention.
  • waste G such as garbage removed from households and offices is composed of combustible materials such as paper, cardboard and fiber, and non-combustible materials such as iron, aluminum, glass, and soil. It is composed of the water contained therein, is transported by trucks, packers, and other transport vehicles, and is once put into a waste receiving tank 1 consisting of pits and the like. From the waste receiving tank 1, only the required amount is fed into the first crusher 3 at the required time.
  • the first crusher 3 is, for example, a hydraulic low-speed driven tear crusher, and its detailed structure is omitted because its specific structure is publicly known, but it has two or three shafts whose rotation speeds are different from each other, The outer periphery of each shaft is provided with a plurality of blade forces.
  • the input waste G is gripped by a two- or three-axis rotary tearing blade with different rotational speeds, tears through, breaks through to a strong one, and is driven by a low-speed, high-torque hydraulic drive. Is slowly torn and discharged from the outlet at the bottom of the body.
  • the drive of the first crusher 3 is of a hydraulic drive type.
  • the first waste G 1 roughly crushed by the first crusher 3 is sent to a first sorter 5 composed of, for example, a belt conveyor.
  • the first separator 5 is provided with a magnetic separator, which removes metals such as iron and non-ferrous metals and harmful hazardous materials.
  • the first sorter 5 medium-sized inorganic substances such as bottles and blocks are sorted and removed.
  • the second waste G 2 is sent to the second crusher 7.
  • the second crusher 7 is made of, for example, a hammer mill. The second crusher 7 further crushes the waste G2.
  • the third waste G3 finely crushed by the second crusher 7 is sent to a second separator 9 including, for example, a separator, a sieve, a specific gravity separator, and the like.
  • a second separator 9 including, for example, a separator, a sieve, a specific gravity separator, and the like.
  • metal and inorganic substances that could not be completely removed by the first sorter 5 are removed, and the fourth waste G 4 is sent to the third crusher 11.
  • the third crusher 11 further crushes the fourth waste G4 by using, for example, a ring glider mill. However, when the required crush particle size can be obtained in the second crusher 7, the crusher may be omitted without being charged into the third crusher 11.
  • an appropriate amount of an additive containing an alkaline earth metal oxide such as Ca 0 is fed together with the second waste G 2 sorted by the first sorter 5.
  • the second waste G 2 is crushed and uniformly mixed and contacted with the alkaline earth metal oxide C a O.
  • C a (OH) 2 becomes the C a 0 is alkali earth metal oxide and water (H 2 0) included in the second waste G 2 are reacted, the C a (OH) 2 is dispersed in the solid second waste G2.
  • the input amount of the alkaline earth metal oxide Ca 0 is 2 to 5%, preferably about 3%, based on the input amount of the waste.
  • the mixed storage reactor 13 is composed of, for example, a rotary hexagonal mixer, a ribbon mixer, or a moving screw-type stirrer, and is mixed for a certain period of time while being stored.
  • the reaction rate can be increased by heating the mixed storage reactor 13 with hot air or a heating tube if necessary. It is preferable to conduct the treatment in a closed state, for example, at a temperature of 60 to 1 1 ⁇ for 1 hour or more.
  • the mixed storage reactor 13 contained the sixth waste G 6 (first generated waste) generated by the reaction and an appropriate amount of alkaline earth metal oxide C a 0 as necessary.
  • the additive material is introduced into the mixed degassing reactor 15 to perform a mixing reaction and degas ammonia and the like. That is, it is preferable to perform the heating at a temperature at least 5 or more higher than the above-mentioned temperature for 5 minutes or more under the exhaust state.
  • the reacted seventh waste G7 (second waste product) is put into a compression molding machine 17, where the density is increased by a compression action, and then extruded to be formed into granules.
  • the eighth waste G 8 (third generated waste) formed into granules by the compression molding machine 17 is supplied to the dry neutralization reactor 19.
  • the solid matter S thus obtained can be sieved with a sieve 21 as needed to be taken out as a solid fuel, or taken out as a material for civil engineering and building materials and used. Is widely applied to industry That is, the following operation occurs between the mixed storage reactor 13 and the dry neutralization reactor 19.
  • Proteins, carbohydrates, and lipids contained in organic matter are denatured by the action of heat and alkali, and some are hydrolyzed.
  • alkali and mechanical action paper, wood, plant residues, etc. are loosened in a fibrous form and bacteria are killed.
  • the granular waste thus obtained is sieved by a sieving device 21 as necessary to remove solid fuel S as a solid.c
  • powder smaller than a certain size does not have a certain size. Refluxed and recharged.
  • the sixth waste G6 mixed while being stored in the mixed storage reactor 13 is checked for quality stabilization before being fed into the mixed degassing reactor 15, and a certain If the quality has not been achieved, it is returned to the mixed storage reactor 13.
  • the ratio of this reflux depends on the reaction time and reaction conditions in the mixed distillation reactor 13, but it is sufficient to reflux up to 50%. In short, when the quality of the sixth waste G6 satisfies a certain level, it is fed into the mixed degassing reactor 15.
  • the 7th waste G7 reacted in the mixed degassing reactor 15 maintains a certain rate of reaction achievement before it is injected into the compression molding machine 17. If a certain reaction achievement rate has not been achieved after a check has been made, the mixture is returned to the mixed storage reactor 13. Therefore, only the eighth waste G8, which maintains a certain reaction achievement rate, is injected into the compression molding machine 17.
  • the sixth waste G 6 reacted in the mixed storage reactor 13 the seventh waste G 7 reacted in the mixed degassing reaction 15 or dried and neutralized in the dry neutralization reactor 19
  • the solids that have been combined and sieved in the sieve 21 are fed back many times until they reach a certain material composition, a certain reaction completion rate, and a certain size.
  • the final solid (fuel) can be taken out as a homogeneous and clean fuel.
  • an additive containing Ca 0, which is an alkaline earth metal oxide is charged in the required amount in each stage, and the chemical reaction
  • the obtained solid can be stored as fuel for a long period of time, and methane gas is not generated and gas explosion does not occur.
  • the properties of the eighth waste G8, which is an intermediate product heated and compression-molded by the compression molding machine 17, are different from those in the case of fuel production and in the case of civil engineering building material production. This can be easily selected based on the mechanical performance of the compression molding machine 17 or the replacement of parts. It is necessary to select the properties of fuel tanks for fuel tanks, such as co-firing with coal and charging into a fluidized-bed boiler and storage-force type boilers. In this example, it was confirmed that the production of a fuel particularly suitable for a fluidized-bed boiler is effective because of its low mechanical load and combustion characteristics. It is mechanically easy and effective to produce granules of approximately 5 mm to 10 mm.
  • C a 0 as an alkaline earth metal oxide is added to the waste receiving tank 1 or the first crusher 3 to the waste G such as garbage for the purpose of deodorization and control of spoilage enzyme. Physical and chemical reaction processes are performed.
  • the addition amount of Ca 0 is preferably about 0 to 30% of the total addition amount. Even if it exceeds 30%, it does not show much effect.
  • the input amount to the waste receiving tank 1 should be within the range of 10% to 20% of the total input amount.
  • C a0 is also charged together, and mixed and mixed according to the first C a0.
  • the addition of CaO is desirably performed in a physical / chemical reaction treatment by adding 0 to 50% of the total amount.
  • the purpose of feeding into the second crusher 7 is to promote uniform reaction between C a 0 and refuse in the second crusher 7 and at the same time mechanical contact between solids and solids to promote the reaction by C a O. Can be done.
  • Municipal dust generated from this type of crushing process has been biologically active, and the effects of pathogenic bacteria on the environment have been recognized to some extent.
  • the introduction of CaO into the second crusher 7 not only promotes the reaction but also has a remarkable effect on the improvement of the working environment in the factory.
  • the addition rate of C a 0 is usually 10% to 20% of the total input force; In some cases, it is appropriate to input up to 50%.
  • the mixed storage reactor 13 may be charged with the fifth waste G5 pulverized by the third crusher 11 at the same time as charging Ca0.
  • the added amount of Ca 0 is desirably 20% to 100% of the total added amount.
  • the purpose of introducing C a 0 in this step is to complete the reaction with C a O.
  • the compression-formed granular intermediate product has a temperature of 50 or more due to heating and the exothermic reaction of Ca0.
  • This is removed in the next drying step, and solidified by the reaction between calcium and carbon dioxide in the combustion gas, so that a solid that can be easily handled is obtained. This can be used as fuel as it is.
  • the lower calorific value per kilogram is close to 400 kcal, and in the example of Europe it is 350 kcal, and in any case, the coal boiler It becomes a fuel with optimal physical and chemical properties and biologically stable storage characteristics for co-firing c.
  • the above-mentioned waste G is put into the waste receiving tank 1 and then dried and neutralized Solids S are obtained through the processing steps up to the reactor 19, but the C a 0 added to the waste receiving tank 1, the first crusher 3, the second crusher 7, and the mixed storage reactor 13 is obtained.
  • the total amount is preferably determined by the following means.
  • the waste G such as municipal solid waste is set at 100%, and when analyzed, this waste G contains moisture, plastics, inorganic substances, and resources. Then, the moisture is reduced to W% using a dryer, etc.
  • the method of determining the optimal addition rate in the range of K-0.2 to 1.2 as a result of investigating the adaptability to waste quality in various countries around the world is specified.
  • the W term corrects for the effective addition of C a O to organic matter when moisture is excessive.
  • the waste receiving tank 1 or the first crusher 3 is about 1 to 2%
  • the second crusher 7 is about 2%
  • the mixed-bed storage reactor 13 it is desirable to add 1 to 5% C a 0 and to perform physical and chemical reaction treatment. In this way, by adding C a0 and physically and chemically treating in each treatment step of treating waste G, fuel or civil engineering material as a biologically stable solid S is obtained. Material can be obtained.
  • the force described using Ca 0 as a column of the alkaline earth metal oxide ⁇ The force obtained by mixing Mg 0 into Ca 0 may be used, or only Mg 0 may be used. Alternatively, C a (OH) 2 or a mixture thereof may be used.
  • Fig. 2 shows a production method in which a hybrid fuel is obtained by mixing solid fuel S from waste obtained by the above-mentioned production method and natural fuel N, which mainly uses coal.
  • solid fuel S. from waste is put into a crusher 23 and crushed to a finer particle size by the crusher 23.
  • the fine-grained solid fuel crushed by the crusher 23 is fed into a specific gravity separator 25, which further removes impurities (incombustibles) such as glass and iron scraps. Is done.
  • the granular solid fuel from which impurities have been removed by the specific gravity difference separator 25 is charged into the mixer 27, and the natural fuel N, which is mainly coal, is charged into the mixer 27. Therefore, in the mixer 27, the particulate solid fuel and the natural fuel N are mixed at a fixed rate for a fixed time.
  • the mixture subjected to the mixing treatment in the mixer 27 is, for example, charged into a compression molding machine 2 and compression-molded, and further subjected to a drying treatment under a certain condition in a dryer 31 to thereby obtain, for example, a charcoal or briquette. Haiburi head fuel H a solid consisting of size will be obtained.
  • the mixture subjected to the mixing treatment in the mixer 27 is charged into a granulator 33 in some cases.
  • Water or C a (OH) 2 is added to the granulator 33 and granulated under certain conditions. Further, by drying under a certain condition in the dryer 35, a layer of natural fuel N adheres to the outer periphery with the solid fuel S as waste as a core, and a granular material having a size of, for example, soybean is obtained. the fact that the granules hybrid fuel H B is obtained.
  • the solid hybrid fuel H A and the granulated hybrid KH B obtained in this way contain a certain percentage of solid fuel S from waste, so the conventional 100% It can be manufactured at lower cost than the cost of natural fuel N, and the acid gas generated by the combustion of sulfur and chlorine contained in natural fuel N is converted to solid fuel S from waste. It is absorbed by the reaction with the contained C a 0.
  • the solid fuel S from waste is contained at a certain ratio, and the solid fuel S contains Ca0, so that the exhaust gas is cleaned and the environment is reduced. Clean fuel without pollution Obviously, the solid fuel S from waste is contained at a certain ratio, and the solid fuel S contains Ca0, so that the exhaust gas is cleaned and the environment is reduced. Clean fuel without pollution Obviously, the solid fuel S from waste is contained at a certain ratio, and the solid fuel S contains Ca0, so that the exhaust gas is cleaned and the environment is reduced. Clean fuel without pollution Becomes
  • This hybrid fuel can be used as fuel for small boilers such as simple stoves, etc., and its quality is close to that of anthracite, and it also contains solid fuel S as waste. From this, it becomes a fiber, has an effect as a binder, and is easily granulated. It has a calorie equivalent to that of low-grade coal, which is intermediate between natural fuel ⁇ and solid fuel S made from waste, and is sufficiently usable as a fuel, and is suitable for many uses of various fuels. It can be used.
  • the above-mentioned waste G is put into the waste receiving tank 1, and the intermediate products obtained in the processing steps up to the dry neutralization reactor 19 are put into the incinerator 37 shown in Fig. 1. Can be incinerated.
  • the required amount of waste G is put into the waste receiving tank 1, and the Ca 0 is added in an appropriate amount according to the required amount and the characteristics of the waste G.
  • the refuse in the waste receiving tank 1 can be directly injected into the incinerator 37 even if incinerated. It is possible to prevent the decay of the gas and to effectively absorb the acid gas in the combustion process.
  • the second crusher 7 a suitable amount of C a0 is charged, a physical / chemical reaction treatment is performed, and the third waste G3 does not flow to the second selector 9, but is indicated by a dotted line. As shown in the figure, high efficiency and clean combustion can be achieved even if the waste is put into the direct incinerator 13 and incinerated.
  • the solid matter S obtained by the method for producing solid matter from waste according to the present invention is considered to be first effectively used as fuel. In both cases, fuel costs are reduced. Blending with natural fuels also reduces the use of natural fuels. Also, this solid

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

Lorsque l'on transforme des déchets (G) en un corps solide (S) par des procédés mis en ÷uvre dans une fosse de réception de déchets (1), un premier broyeur (3), un premier crible (5), un second broyeur (7), un second crible (9), un réacteur de mélange-stockage (13), une machine de moulage par compression (17), ainsi qu'un réacteur de séchage-neutralisation (9), le traitement de déchets par l'application d'un oxyde de métal alcalino-terreux optimum tel que CaO à n'importe quel procédé d'une pluralité de procédés dans ladite fosse de réception de déchets (1), un premier broyeur (3), un second broyeur (7), un réacteur de mélange-stockage (13), permet de produire un corps solide (S) efficace comme matière première de combustible propre pour l'environnement ou comme matériau pour travaux de construction. Une quantité optimale de CaO à ajouter peut être trouvée sur la base d'une quantité de substance organique (U) calculée à partir de l'analyse et de la mesure de la teneur en eau W, une quantité de matières plastiques P, celle de substances inorganiques M, et celle de substances réutilisables W constituant les déchets G avec un indice de 100. De plus, le retour d'une quantité appropriée de déchets ayant passé le réacteur de mélange-stockage (13), le réacteur de mélange-désaération (15), ou le réacteur de séchage-neutralisation (19) jusqu'au réacteur de mélange-stockage (13) assure un corps solide (S) d'une qualité de loin plus uniforme. Le fait de mélanger le corps solide (S) ainsi préparé à partir de déchets avec un combustible naturel permet d'obtenir un excellent combustible hybride. Lorsqu'un produit intermédiaire obtenu au cours du traitement précité de transformation de déchets en un corps solide (S) est directement chargé dans un incinérateur (37) un brûlage propre est possible.
PCT/JP1991/000961 1990-07-20 1991-07-19 Procede de transformation de dechets en corps solides et procede de brulage dudit corps solide WO1992001771A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2193798A JP2954990B2 (ja) 1990-07-20 1990-07-20 廃棄物による固形物燃料の製造方法
JP2/193798 1990-07-20
JP2/401438 1990-12-11
JP2401438A JPH04210284A (ja) 1990-12-11 1990-12-11 都市ごみ廃棄物からの固形物の製造方法
JP3032760A JP2798189B2 (ja) 1991-02-27 1991-02-27 廃棄物の焼却方法
JP3/32760 1991-02-27
JP3071221A JP3067827B2 (ja) 1991-04-03 1991-04-03 ハイブリッド燃料の製造方法
JP3/71221 1991-04-03

Publications (1)

Publication Number Publication Date
WO1992001771A1 true WO1992001771A1 (fr) 1992-02-06

Family

ID=27459673

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1991/000961 WO1992001771A1 (fr) 1990-07-20 1991-07-19 Procede de transformation de dechets en corps solides et procede de brulage dudit corps solide

Country Status (1)

Country Link
WO (1) WO1992001771A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0894846A2 (fr) * 1997-07-22 1999-02-03 Mutabor GmbH, Management für Umwelt Technologie, Abfallwirtschaft Beratung Organisation und Verkauf Recycling Combustion finement divisé et son procédé de fabrication
CN109078965A (zh) * 2018-09-17 2018-12-25 东莞理工学院 一种城市垃圾资源化处理系统
CN109385317A (zh) * 2018-11-26 2019-02-26 安徽吉露科技有限公司 一种新能源材料的制备方法
CN109609235A (zh) * 2019-01-02 2019-04-12 镇江市中运城市环境治理有限公司 一种垃圾环保再生煤的生产工艺

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5521441A (en) * 1978-08-01 1980-02-15 Dainekorojii Inc Briquet containing caking coal and life waste
JPS55107824A (en) * 1979-02-15 1980-08-19 Kawasaki Steel Corp Reducing method for sox concentration in exhaust-gas from incinerator on burning waste of high sulfur content
JPS60147496A (ja) * 1984-01-11 1985-08-03 Fuji Electric Co Ltd プラスチツク含有ごみの固形燃料化方法および装置
JPS60186596A (ja) * 1983-12-05 1985-09-24 ヨ−スト　エドウアルド　マヨ−ル 燃料ブリケツト
JPS6140398A (ja) * 1984-07-31 1986-02-26 Toshiro Watanabe 廃棄物を撥水性の固形燃料として利用する処理方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5521441A (en) * 1978-08-01 1980-02-15 Dainekorojii Inc Briquet containing caking coal and life waste
JPS55107824A (en) * 1979-02-15 1980-08-19 Kawasaki Steel Corp Reducing method for sox concentration in exhaust-gas from incinerator on burning waste of high sulfur content
JPS60186596A (ja) * 1983-12-05 1985-09-24 ヨ−スト　エドウアルド　マヨ−ル 燃料ブリケツト
JPS60147496A (ja) * 1984-01-11 1985-08-03 Fuji Electric Co Ltd プラスチツク含有ごみの固形燃料化方法および装置
JPS6140398A (ja) * 1984-07-31 1986-02-26 Toshiro Watanabe 廃棄物を撥水性の固形燃料として利用する処理方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0894846A2 (fr) * 1997-07-22 1999-02-03 Mutabor GmbH, Management für Umwelt Technologie, Abfallwirtschaft Beratung Organisation und Verkauf Recycling Combustion finement divisé et son procédé de fabrication
EP0894846A3 (fr) * 1997-07-22 1999-04-14 Mutabor GmbH, Management für Umwelt Technologie, Abfallwirtschaft Beratung Organisation und Verkauf Recycling Combustion finement divisé et son procédé de fabrication
CN109078965A (zh) * 2018-09-17 2018-12-25 东莞理工学院 一种城市垃圾资源化处理系统
CN109385317A (zh) * 2018-11-26 2019-02-26 安徽吉露科技有限公司 一种新能源材料的制备方法
CN109609235A (zh) * 2019-01-02 2019-04-12 镇江市中运城市环境治理有限公司 一种垃圾环保再生煤的生产工艺

Similar Documents

Publication Publication Date Title
EP1370631B1 (fr) Transformation de dechets urbains solides en valeur combustible elevee
US10240091B2 (en) Process for devolatizing a feedstock
CN101693251B (zh) 海上船舶生活垃圾热裂解资源化处理工艺
CN102357516B (zh) 市政垃圾预处理与水泥窑资源综合利用的联合工艺及其系统
CN101782235A (zh) 一种生活垃圾无害化焚烧处理系统及处理方法
CN104084414A (zh) 一种可燃固体废弃物的再利用处理方法
CN102350428B (zh) 一种城市生活垃圾生产复合干粉燃料用于燃煤电厂发电的设备及产业化方法
CN108977251A (zh) 一种利用生活垃圾制备生物质可燃炭的系统及方法
CN104671715A (zh) 一种利用垃圾发电后的飞灰制备轻质护壁的方法
CN102658284A (zh) 一种先进的城市垃圾无害化资源化处理方法
KR102344255B1 (ko) 석유화학제품폐기물을 이용하는 분말재생연료 제조방법 및 그 분말재생연료용 가연성분말 생산장치
CN104646396B (zh) 一种利用固废物制取氢碳燃料的方法
WO1992001771A1 (fr) Procede de transformation de dechets en corps solides et procede de brulage dudit corps solide
KR101296043B1 (ko) 폐기물을 이용한 성형탄 및 그 제조 방법
CN102441560A (zh) 一种生活垃圾压榨分类及综合处理利用系统及装置
CN107457245A (zh) 一种农村生活垃圾资源化处理方法
JP3067827B2 (ja) ハイブリッド燃料の製造方法
JP3122487B2 (ja) 都市ごみ廃棄物からの固化体の製造方法
WO2021133217A2 (fr) Usine d'incinération de déchets, dispositif et procédé
JP3236331B2 (ja) 廃棄物による固形物の製造方法
JPH05185062A (ja) 廃棄物による固形物の製造方法
JPH04210284A (ja) 都市ごみ廃棄物からの固形物の製造方法
JP2798189B2 (ja) 廃棄物の焼却方法
JP2954990B2 (ja) 廃棄物による固形物燃料の製造方法
Goldstein Rechanneling the waste stream

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): CA FI KR US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB NL SE

NENP Non-entry into the national phase

Ref country code: CA