WO1999010682A1 - Installation et procede pour l'elimination thermique des dechets - Google Patents

Installation et procede pour l'elimination thermique des dechets Download PDF

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Publication number
WO1999010682A1
WO1999010682A1 PCT/DE1998/002362 DE9802362W WO9910682A1 WO 1999010682 A1 WO1999010682 A1 WO 1999010682A1 DE 9802362 W DE9802362 W DE 9802362W WO 9910682 A1 WO9910682 A1 WO 9910682A1
Authority
WO
WIPO (PCT)
Prior art keywords
waste
heating
steam
drying
drum
Prior art date
Application number
PCT/DE1998/002362
Other languages
German (de)
English (en)
Inventor
Jan BRÜCKNER
Original Assignee
Siemens Aktiengesellschaft
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
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO1999010682A1 publication Critical patent/WO1999010682A1/fr

Links

Classifications

    • 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
    • F23G5/006—General arrangement of incineration plant, e.g. flow sheets
    • 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
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F23G5/0273—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using indirect heating
    • 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
    • F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • 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
    • F23G5/20—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having rotating or oscillating drums
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/10—Drying by heat
    • F23G2201/101—Drying by heat using indirect heat transfer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/30—Pyrolysing
    • F23G2201/303—Burning pyrogases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/30—Pyrolysing
    • F23G2201/304—Burning pyrosolids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00—Waste heat recuperation
    • F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00—Waste heat recuperation
    • F23G2206/20—Waste heat recuperation using the heat in association with another installation
    • F23G2206/203—Waste heat recuperation using the heat in association with another installation with a power/heat generating installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2217/00—Intercepting solids
    • F23J2217/10—Intercepting solids by filters
    • F23J2217/102—Intercepting solids by filters electrostatic
    • 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
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/12—Heat utilisation in combustion or incineration of waste

Definitions

  • the invention relates to a plant and a method for thermal waste disposal.
  • a smoldering plant is known from EP-A-0 302 310 or from the company publication "The smoldering plant, a description of the process", published by Siemens AG, 1996.
  • the smoldering plant essentially uses a two-stage smoldering process was carried out. In the first
  • the delivered waste is placed in a smoldering or heating chamber (pyrolysis reactor) and carbonized (pyrolyzed), ie subjected to heat treatment at temperatures between 300 ° C and 600 ° C in a low-oxygen atmosphere.
  • This heat treatment produces carbonization gas and pyrolysis residue in the carbonization chamber.
  • the pyrolysis residue consists of a combustible and a non-combustible part.
  • the valuable materials of the non-combustible part are sorted out and sent for further treatment.
  • the combustible pyrolysis residue is mixed with the smoldering gas in a high-temperature combustion chamber at temperatures of approx. 1200 ° C burned.
  • the resulting hot exhaust gases are first used in a waste heat boiler to generate steam and then cleaned.
  • the known smoldering chamber is a smoldering or heating drum rotatably mounted about its longitudinal axis, the longitudinal axis of which is inclined with respect to the horizontal.
  • the smoldering drum is equipped with internal heating pipes for heating the waste.
  • the heating medium e.g. cleaned flue gas from the combustion chamber, is led through the smoldering drum in the counterflow principle, i.e. the heating medium is directed through the heating pipes in the smoldering drum against the direction of transport of the waste.
  • the heating medium typically has a temperature of approximately 520 ° C. and at the outlet a temperature of approximately 300 ° C.
  • the efficiency of a plant for thermal waste disposal depends crucially on the properties of the delivered waste.
  • the efficiency of a system is understood to mean the proportion of the energy stored in the waste that is converted into usable energy.
  • a key property of the waste for efficiency is the moisture content of the waste. With a high moisture content, the heating value of the waste is low. In such a case, the incineration of the waste is made more difficult in a waste incineration plant. In the case of a plant for pyrolysis of waste, a considerably higher amount of energy is required since the moisture in the waste must first be evaporated in the smoldering drum before the smoldering process can begin.
  • the object of the invention is to provide a system and a method for thermal waste disposal with a high efficiency even for waste with a high moisture content.
  • lent mixing device such as an agitator, necessary, so that a high level of operational safety is guaranteed.
  • the drying drum advantageously has internal heating tubes through which a heating medium (such as heated air or water vapor) is passed to dry the waste.
  • a heating medium such as heated air or water vapor
  • the heating chamber is preferably designed as a heating drum, which is advantageously also provided with internal heating tubes.
  • the drying drum and the heating drum are one structural unit, as a result of which a compact design of the overall system is achieved.
  • the two drums can connect directly to one another and can be rotated, for example, about a common longitudinal axis.
  • a conveyor device for waste can also be arranged between the drying drum and the heating drum, with which the waste is introduced into the heating drum in a metered manner.
  • the drying drum and heating drum form a structural unit together with the conveyor.
  • a heating gas and / or steam is preferably provided as the heating medium for drying the waste.
  • the steam is advantageously provided by a waste heat boiler already present in the system, which leads to relatively low costs for the construction of the system.
  • the system has a combustion chamber for the combustion of a carbonization gas formed in the heating chamber and a device downstream of the combustion chamber for cleaning the flue gas.
  • a steam generator is used to generate the steam, in particular saturated steam provided that is in connection with a flue gas pipe or a flue gas duct.
  • the steam generator is preferably arranged in the flue gas duct between the waste heat boiler and an electrostatic filter. The advantage of arranging a separate steam generator after the waste heat boiler can be seen in the fact that the heat of the flue gas, which here has a temperature of about 180 ° C., is used further.
  • the system has a steam / heating gas heat exchanger, by means of which the heating gas is heated to the temperature required for drying by means of the steam.
  • the drying drum is preferably connected to a condensate container for collecting the steam condensed out as a result of the heat being given off to the waste.
  • the condensate container is connected to a feed water container via a condensate line and the feed water container is in turn connected to the steam generator via a feed water line.
  • the feed water from the feed water tank then serves as a water source for the generation of steam in the steam generator.
  • the heating chamber is designed as a pyrolysis drum for pyrolysis of the waste, the waste being converted into carbonization gas and pyrolysis residue in the pyrolysis drum.
  • a separation device for the pyrolysis residue is connected to the pyrolysis drum.
  • the system also has a combustion chamber to which the carbonization gas can be fed for combustion and which is followed by a device for flue gas cleaning. Such a plant is referred to as a smoldering and burning plant.
  • the object directed to a method is achieved by a method for thermal waste disposal, where the waste is dried in a drying drum before being thermally treated in a heating chamber.
  • a gas generated in the heating chamber in particular
  • Smoldering gas, burned, and part of the heat of the flue gas generated during combustion is used for drying.
  • Steam is preferably generated for drying from the heat of the flue gas in a steam generator.
  • the heat of condensation released during the condensation of the steam is used as an additional heat source when drying the waste.
  • Saturated steam is a steam that is 100% saturated, i.e. the steam can no longer absorb more moisture at given thermal parameters. The result of this is that the saturated steam can release energy without lowering the temperature by condensing out part of the saturated steam and utilizing the heat of condensation.
  • excess steam from the steam generator is advantageously fed to a turbine.
  • 1 shows a section of a smoldering and burning plant in a schematic illustration
  • 2 shows a schematic view of a heating drum and a drying drum, which are designed as a unit
  • FIG. 3 shows a schematic view of a heating drum and a drying drum with an intermediate conveyor
  • FIG. 4 shows a schematic section of a plant for thermal waste disposal with a steam / heating gas heat exchanger.
  • waste A is fed to a drying drum 6 via a filling device 2 with a screw conveyor 4.
  • the waste A arrives via a first discharge device 7 into a conveyor device 8 which is provided with a screw conveyor 9.
  • the waste A reaches a heating chamber 10.
  • the heating chamber 10 For easier transport of the waste A within the device 6 for drying and the heating chamber 10, these can be inclined towards the horizontal.
  • the waste A is pyrolyzed in the heating chamber 10, i.e. with the exclusion of oxygen one
  • the pyrolysis of waste A produces a pyrolysis residue R and a gas S, which is referred to as carbonization gas.
  • the pyrolysis residue R and the carbonization gas S pass into a further discharge device 12.
  • the pyrolysis residue R is fed to a separation device 14 from the discharge device 12.
  • V ⁇ P- ⁇ ö d O P- ⁇ P- et P P tr V P P o V ⁇ N si ⁇ S ⁇
  • the moisture content of the waste A decreases.
  • the moisture is drawn off as the water vapor V from the first discharge device 7.
  • the steam D condenses at least partially as a result of the heat emission and leaves the drying drum 6 as condensate K.
  • the condensate K is fed to the condensate container 38 via the condensate line 37.
  • part of the steam D can be fed directly from the steam generator 32 to the turbine 34 via a further steam line 45.
  • the turbine 34 is additionally supplied with steam D from the waste heat boiler 28 via a steam line 47.
  • the heating chamber 10 is preferably inclined relative to the horizontal for easier transportation of the waste A.
  • the heating chamber 10, like the device 6, is heated for countercurrent drying.
  • a heating gas H enters the end of the heating chamber 10 oriented towards the discharge device 12.
  • the heating gas H leaves it at the opposite end, which is oriented toward the conveying device 8.
  • the heating gas H typically has a temperature of 520 ° C. on entry and a temperature of 300 ° C. typically on exit.
  • the heating chamber 10 can be designed as an internally-tubular heating drum.
  • the heating chamber 10 is designed as a heating drum 10A.
  • the drying drum 6 and the heating drum 10A together form a unit. They can be rotated about a common longitudinal or rotational axis 50.
  • the rotation of the drying drum 6 and the heating drum 10A brings about a homogeneous and uniform heat input into the waste A.
  • the drum-like design is particularly robust and enables largely trouble-free operation. In particular, through this Design achieved that even very inhomogeneous waste A is effectively mixed in a simple manner for a homogeneous heat input.
  • the drying drum 6 and the heating drum 10A are each sealed off from the environment. Mechanical seals 52 are preferably used for this.
  • the drying drum 6 and the heating drum 10A are indirectly via internal, i.e. Heating tubes 54 and 56 arranged in the interior of the drums are heated.
  • the drying drum 6 is heated with steam D and the heating drum 10A with heating gas H.
  • the heating gas H enters the heating drum 10A via an inlet housing 53A and leaves it again via an outlet housing 53B.
  • the steam D likewise enters the drying drum 6 via an inlet housing 55A and exits again via an outlet housing 55B.
  • a heating gas H can also be used as the heating medium for the drying drum 6.
  • the waste A is introduced into the drying drum 6 via the filling device 2 by means of the screw conveyor 4.
  • the waste A passes from the drying drum 6 directly, that is to say without an intermediate conveying device, into the heating drum 10A.
  • the drying drum 6 and the heating drum 10A are connected to each other. This is ensured by a tubular connector 59.
  • the drums 6, 10A virtually form a single structural unit designed as a drum.
  • the pyrolyzed waste A reaches the discharge device 12 via a discharge pipe 60 as carbonization gas S and pyrolysis residue R.
  • a first discharge device 7 and a conveyor device 8 arranged downstream of it are arranged with a screw conveyor 9.
  • the waste A passes from the drying drum 6 into the first discharge device 7.
  • the discharge device 7 also forms a filling funnel for the screw conveyor 9, so that the waste A automatically slides down to the screw conveyor 9.
  • the discharge device 7 has at its upper end an outlet 66 for the water vapor V arising in the drying drum 6.
  • the waste A for pyrolysis enters the heating drum 10A via the screw conveyor 9 and leaves it via the further discharge device 12 as carbonization gas S and pyrolysis residue R.
  • the drying drum 6, like the heating chamber 10, is heated with a heating gas H.
  • the heating gas H for the drying drum 6 is previously brought to a temperature suitable for drying the waste A in a steam / heating gas heat exchanger 70.
  • the heating gas H takes heat, for example, from that generated in the steam generator 32

Abstract

L'invention concerne une installation, notamment une installation de combustion et de carbonisation à basse température, ainsi qu'un procédé pour l'élimination thermique des déchets. L'installation possède une chambre de chauffe (10) pour le traitement thermique des déchets (A). Un tambour de séchage (6) destiné au séchage des déchets (A) est placé en amont de la chambre de chauffe (10). Ce tambour est de préférence rotatif et est chauffé par l'intermédiaire de tubes chauffants (54) situés à l'intérieur. On utilise comme moyen de chauffage la vapeur (D) ou un gaz chaud (H). La vapeur (D) est de préférence fournie par un générateur de vapeur (32) qui est de préférence disposé dans un système pour l'épuration des gaz brûlés, entre un récupérateur thermique (28) et un électrofiltre (33). Le séchage ou le préséchage des déchets (A) avant la pyrolyse proprement dite dans la chambre de chauffe (10) permet d'améliorer le rendement de l'énergie emmagasinée dans les déchets (A).
PCT/DE1998/002362 1997-08-27 1998-08-14 Installation et procede pour l'elimination thermique des dechets WO1999010682A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19737402.6 1997-08-27
DE19737402 1997-08-27

Publications (1)

Publication Number Publication Date
WO1999010682A1 true WO1999010682A1 (fr) 1999-03-04

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Country Status (1)

Country Link
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1312662A2 (fr) * 2001-05-07 2003-05-21 Cirad-Foret Procédé de gazéification de biomasse, appareil et utilisation
WO2008017149A1 (fr) * 2006-08-08 2008-02-14 Fralma Technologie Inc. Appareil de destruction de polluants organiques
GB2471462A (en) * 2009-06-29 2011-01-05 John Gerard Sweeney Waste management system/method including pyrolysis and power generation
WO2012095119A3 (fr) * 2011-01-13 2013-04-18 Ribegla S. A. Procédé et installation permettant la récupération d'énergie à partir de la biomasse et des déchets combustibles, en particulier des matières premières renouvelables, ainsi que leur carbonisation
CN113251422A (zh) * 2021-06-21 2021-08-13 中国环境科学研究院 无公害低耗能垃圾再利用处理方法及系统

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE854240A (fr) * 1976-05-03 1977-11-03 Montedison Spa Dessiccateur pour matieres incoherentes
DE3227896A1 (de) * 1982-07-26 1984-01-26 Peter 7869 Holzinshaus Voelskow Verfahren zur thermischen behandlung, insbesondere verschwelung, organischer abfaelle und anlage zur ausuebung des verfahrens
GB2155599A (en) * 1984-03-09 1985-09-25 Tsung-Hsien Kuo Improved refuse incineration system
DE3447079A1 (de) * 1984-08-28 1986-03-06 Carl Still Gmbh & Co Kg, 4350 Recklinghausen Verfahren zur thermischen behandlung verunreinigter erde
WO1988002284A1 (fr) * 1986-10-02 1988-04-07 Neutralysis Industries Pty. Ltd. Traitement des dechets et sechoir rotatif destine a cet effet
US4794872A (en) * 1987-10-13 1989-01-03 Marblehead Lime Company Apparatus and method for disposing of waste material
EP0302310A1 (fr) 1987-08-03 1989-02-08 Siemens Aktiengesellschaft Procédé et dispositif pour l'élimination thermique de déchets
DE4238935A1 (de) * 1992-11-19 1994-05-26 Noell Dbi Energie Entsorgung Verfahren zur Überführung von organisches Material und Kunststoffe enthaltenden Abfallstoffen in ein pulverförmiges Zwischenprodukt und seine Verwendung
EP0716264A2 (fr) * 1994-12-06 1996-06-12 L. & C. Steinmüller GmbH Procédé et installation pour la combustion des boues

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE854240A (fr) * 1976-05-03 1977-11-03 Montedison Spa Dessiccateur pour matieres incoherentes
DE3227896A1 (de) * 1982-07-26 1984-01-26 Peter 7869 Holzinshaus Voelskow Verfahren zur thermischen behandlung, insbesondere verschwelung, organischer abfaelle und anlage zur ausuebung des verfahrens
GB2155599A (en) * 1984-03-09 1985-09-25 Tsung-Hsien Kuo Improved refuse incineration system
DE3447079A1 (de) * 1984-08-28 1986-03-06 Carl Still Gmbh & Co Kg, 4350 Recklinghausen Verfahren zur thermischen behandlung verunreinigter erde
WO1988002284A1 (fr) * 1986-10-02 1988-04-07 Neutralysis Industries Pty. Ltd. Traitement des dechets et sechoir rotatif destine a cet effet
EP0302310A1 (fr) 1987-08-03 1989-02-08 Siemens Aktiengesellschaft Procédé et dispositif pour l'élimination thermique de déchets
US4794872A (en) * 1987-10-13 1989-01-03 Marblehead Lime Company Apparatus and method for disposing of waste material
DE4238935A1 (de) * 1992-11-19 1994-05-26 Noell Dbi Energie Entsorgung Verfahren zur Überführung von organisches Material und Kunststoffe enthaltenden Abfallstoffen in ein pulverförmiges Zwischenprodukt und seine Verwendung
EP0716264A2 (fr) * 1994-12-06 1996-06-12 L. & C. Steinmüller GmbH Procédé et installation pour la combustion des boues

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"DIE SCHWEL-BRENN-ANLAGE, EINE VERFAHRENSBESCHREIBUNG", SIEMENS AG, 1 January 1996 (1996-01-01)
REDMANN E ET AL: "DIE THERMISCHE BEHANDLUNG VON AUTOSHREDDER-LEICHTFRAKTION IM SIEMENS-SCHWEL-BRENN-VERFAHREN", VGB KRAFTWERKSTECHNIK, vol. 73, no. 7, 1 July 1993 (1993-07-01), pages 626 - 630, XP000382750 *

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1312662A2 (fr) * 2001-05-07 2003-05-21 Cirad-Foret Procédé de gazéification de biomasse, appareil et utilisation
EP1312662A3 (fr) * 2001-05-07 2003-09-24 Cirad-Foret Procédé de gazéification de biomasse, appareil et utilisation
WO2008017149A1 (fr) * 2006-08-08 2008-02-14 Fralma Technologie Inc. Appareil de destruction de polluants organiques
GB2471462A (en) * 2009-06-29 2011-01-05 John Gerard Sweeney Waste management system/method including pyrolysis and power generation
WO2011000513A1 (fr) * 2009-06-29 2011-01-06 John Gerard Sweeney Systeme de gestion de dechets
CN102472486A (zh) * 2009-06-29 2012-05-23 约翰·杰勒德·斯维尼 垃圾处理系统
GB2471462B (en) * 2009-06-29 2014-02-26 Coldunell Ltd Waste management system
AU2010268415B2 (en) * 2009-06-29 2015-07-30 Coldunell Limited Waste management system
EA023478B1 (ru) * 2009-06-29 2016-06-30 Колданелл Лимитед Система утилизации отходов
WO2012095119A3 (fr) * 2011-01-13 2013-04-18 Ribegla S. A. Procédé et installation permettant la récupération d'énergie à partir de la biomasse et des déchets combustibles, en particulier des matières premières renouvelables, ainsi que leur carbonisation
CN113251422A (zh) * 2021-06-21 2021-08-13 中国环境科学研究院 无公害低耗能垃圾再利用处理方法及系统
CN113251422B (zh) * 2021-06-21 2022-02-15 中国环境科学研究院 无公害低耗能垃圾再利用处理方法及系统

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