WO2015005755A1 - Installation de récupération et recyclage des boues d'épuration en produits écologiques - Google Patents

Installation de récupération et recyclage des boues d'épuration en produits écologiques Download PDF

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Publication number
WO2015005755A1
WO2015005755A1 PCT/LT2014/000007 LT2014000007W WO2015005755A1 WO 2015005755 A1 WO2015005755 A1 WO 2015005755A1 LT 2014000007 W LT2014000007 W LT 2014000007W WO 2015005755 A1 WO2015005755 A1 WO 2015005755A1
Authority
WO
WIPO (PCT)
Prior art keywords
sewage sludge
combustion chamber
recovery
recycling
installation
Prior art date
Application number
PCT/LT2014/000007
Other languages
English (en)
Inventor
Alfredas BALTRUŠAITIS
Original Assignee
Uab "Enasa"
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 Uab "Enasa" filed Critical Uab "Enasa"
Publication of WO2015005755A1 publication Critical patent/WO2015005755A1/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
    • F23G5/02—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
    • F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct 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
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
    • 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
    • F23G5/44—Details; Accessories
    • F23G5/46—Recuperation of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
    • 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
    • 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
    • F23G2201/40—Gasification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2204/00—Supplementary heating arrangements
    • F23G2204/20—Supplementary heating arrangements using electric energy
    • F23G2204/201—Plasma
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2205/00—Waste feed arrangements
    • F23G2205/12—Waste feed arrangements using conveyors
    • F23G2205/121—Screw conveyor
    • 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
    • F23G2206/202—Waste heat recuperation using the heat in association with another installation with an internal combustion engine
    • 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 the field of sewage sludge recovery-recycling and can be used for the production of heat and electricity.
  • a known invention closest to the technical solution at issue described in RU patent 2182884, Int. cl. F 23 G 5/027, F 23 G 7/00, published in 2002, is designated for the recovery of organic, domestic and municipal wastes, and comprises a hopper for recovered materials, a conveyance device, a pyrolysis reactor with a reaction chamber, a gas distribution system, a combustion chamber with a burner installed in the bottom part of the pyrolysis reactor, and an ash collection tank.
  • the pyrolysis reactor heats up when a gas mixture, composed of supplied air and return gas evolved during pyrolysis burns.
  • the known technical solution does ensure an efficient process of recovery due to insufficiently high temperature of the heat. Furthermore, the known technical solution has limited functional possibilities.
  • the aim of the invention is to ensure an ecological and efficient process of recovery-recycling by elevating the temperature of the heat and to expand functional possibilities by using ecological products obtained during recovery.
  • the invention is illustrated by a drawing showing the basic diagram of the installation for sewage sludge recovery and recycling into ecological products, where: 1 - metal vessel for loading sewage sludge, 2 - first combustion chamber, 3 - sewage sludge incineration boiler, 4 - screw conveyor for sewage sludge transportation, 5 - electric motor, 6 - second combustion chamber, 7 - particulate matter collector, 8 - filter, 9 - biogas collector, 10 - electricity generator, 1 1 - main gas burner, 12 - spatial channel grating for heating entering ambient air, 13 - universal plasma gas burner, 14 - plasma source and gas tank, 15 - ash feeder with a screw conveyor and electric motor 17, 16 - ash collection box, 17 - electric motor, 18 - chimney, 19 - chimney draught regulator, 20 - power supply line.
  • the metal vessel (1) is designated for loading sewage sludge, while the screw conveyor (4) with an electric gear supplied with mechanical energy from the electric motor (5) transports and supplies sewage sludge to the sewage sludge incineration boiler (3) installed in the first combustion chamber (2).
  • the particulate matter collector (7) is mounted under the screw conveyor (4), and the filter (8) is used to separate undesirable minor impurities.
  • the biogas collector (9), connected to a supply line supplying biogas as fuel to the internal combustion engine (excluded from the drawing), connected to the electricity generator (10), is designated to collect biogas recovered during sewage sludge incineration.
  • the main gas burner (1 1) is mounted in the second combustion chamber (6) for combusting combustible gas generated in the first combustion chamber (2) while burning solid fuel.
  • the spatial channel grating (12) is designated for heating ambient air entering the burner (1 1).
  • the second combustion chamber 2 is equipped with the universal plasma gas burner (13), which is connected to the plasma source and gas tank (14). Actuation of the plasma gas burner (13) would be necessary in the event of failure of the main gas burner (1 1).
  • the screw conveyor (4) with an electric gear supplied with mechanical energy from the electric motor (17) is mounted in the ash feeder (15) for the transportation of ash generated during sewage sludge incineration from the ash feeder (15) to the ash collection box (16).
  • the ash collection box (16) has ash filtering elements (excluded from the drawing).
  • the chimney (18) with the draught regulator (19) is designated for the removal and discharge of combustion products.
  • the installation is connected to the power supply line (20). The process of sewage sludge recovery and recycling into ecological products is automated.
  • the metal vessel (1) is filled with sewage sludge. Then sludge is transported by the screw conveyor (4) from the metal vessel (1) via the second combustion chamber (6) to the first combustion chamber (2). Sewage sludge is drying during transportation and enters the sewage sludge incineration boiler (3) in the first combustion chamber (2) when it is completely dry. During transportation by the screw conveyor (4) sewage sludge not only dries but is also cleaned from particulate matter and other undesirable minor impurities. The particulate matter is accumulated in the collector (7), while smaller impurities are caught by the filter (8). Combustible gas from solid fuel burning in the first combustion chamber (2) enters the main gas burner (1 1).
  • Ambient air that heats up from the heated spatial channel grating for air heating (12) also enters the main gas burner (1 1).
  • a combustible gas mixture in the main gas burner (1 1) burns at a high temperature of 2800 °C.
  • the sewage sludge incineration boiler (3) with sewage sludge heats up from the generated heat. This ensures thermal treatment of sewage sludge, which results in biogas release.
  • Biogas is collected from the sewage sludge incineration boiler (3) by the biogas collector (9) which supplies it as fuel, through the supply line, to the internal combustion engine (excluded from the drawing) which, when switched on, rotates the electricity generator (18), thus transforming mechanical energy into electrical energy.
  • the main gas burner (1 1) fails, the universal plasma gas burner (13) turns on.
  • the screw conveyor removes ash from the ash feeder (15) and delivers it to the ash collection box (16). Sewage sludge recovery takes place according to a process management programme.
  • An important advantage of the invention applied for is that the installation for sewage sludge recovery-recycling into ecological products ensures a cost- effective, eco-friendly and efficient process.
  • the efficiency of the process particularly results from a high temperature of the heat which occurs during the combustion of a combustible mixture at high temperatures (about 2800 °C).
  • Products obtained during the process of recovery, such as ash and biogas, are environment-friendly and suitable for re-use.
  • the technical solution at issue allows the use of evolved biogas as fuel making it possible to obain cheap electricity in a simple manner and without additional costs and to satisfy consumer demands. Considering that by thermal value biogas comes close to natural gas, it can be used for heat production.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Treatment Of Sludge (AREA)
  • Gasification And Melting Of Waste (AREA)

Abstract

L'invention se rapporte au domaine de la récupération et du recyclage des boues d'épuration. Une cuve métallique (1) est conçue pour charger des boues d'épuration, tandis qu'un transporteur à vis (4) est monté pour les acheminer jusqu'à une chaudière d'incinération (3) dans la première chambre de combustion (2). Un collecteur (9) est conçu pour collecter les biogaz produits et est relié à une conduite d'approvisionnement qui apporte le biogaz en tant que combustible à un moteur à combustion interne relié à un générateur d'électricité (10). Pour la combustion du gaz combustible émis, le brûleur à gaz principal (11) est installé dans la seconde chambre de combustion (6) et un brûleur à gaz plasma supplémentaire (13) relié à une source de plasma et à un réservoir de gaz (14) est monté. L'air de combustion est préchauffé.
PCT/LT2014/000007 2013-07-11 2014-06-04 Installation de récupération et recyclage des boues d'épuration en produits écologiques WO2015005755A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LT2013073A LT6131B (lt) 2013-07-11 2013-07-11 Nuotekų dumblo utilizavimo-perdirbimo į ekologišką produkciją įrenginys
LT2013073 2013-07-11

Publications (1)

Publication Number Publication Date
WO2015005755A1 true WO2015005755A1 (fr) 2015-01-15

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ID=51228465

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/LT2014/000007 WO2015005755A1 (fr) 2013-07-11 2014-06-04 Installation de récupération et recyclage des boues d'épuration en produits écologiques

Country Status (2)

Country Link
LT (1) LT6131B (fr)
WO (1) WO2015005755A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106082571A (zh) * 2016-08-04 2016-11-09 山东奥特高科环保科技有限公司 低热值污泥三化处理工艺及装置
CN106594744A (zh) * 2017-01-13 2017-04-26 安徽未名鼎和环保有限公司 一种用于垃圾无害化处理的焚烧炉
CN109534653A (zh) * 2018-12-29 2019-03-29 重庆盎瑞悦科技有限公司 一种固废热解析蓄热焚烧处理中的前端污泥干化系统

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2356294A1 (de) * 1973-11-10 1975-05-15 Air Preheater Verfahren zur verbrennung von abfaellen
EP0360052A1 (fr) * 1988-09-05 1990-03-28 Siemens Aktiengesellschaft Réacteur de pyrolyse pour l'élimination thermique de déchets
US5669317A (en) * 1993-08-19 1997-09-23 Siemens Aktiengesellschaft Plant for thermal waste disposal and process for operating such a plant
DE19706757A1 (de) * 1997-02-20 1998-09-03 Siemens Ag Anlage und Verfahren zur thermischen Entsorgung von Abfall
WO1999058459A1 (fr) * 1998-05-11 1999-11-18 Hydro-Quebec Traitement de residus humides contenant une matiere organique oxydable
EP1113223A1 (fr) * 1999-12-27 2001-07-04 Vogt, Myrtha Appareil de combustion
GB2359874A (en) * 2000-02-29 2001-09-05 Andrew William Webster Gasification augur
FR2810312A1 (fr) * 2000-06-16 2001-12-21 Etienne Sennesael Procede et dispositif de valorisation thermique des boues issues du traitement des eaux usees
RU2182884C1 (ru) 2000-11-16 2002-05-27 Оао "Аммофос" Способ очистки экстракционной фосфорной кислоты, используемой для получения жидких комплексных удобрений
WO2011014094A1 (fr) * 2009-07-29 2011-02-03 Shwarzman Alexander Jakovlevich Procédé et dispositif de recyclage de déchets humides contenant des matériaux organiques
US20120079970A1 (en) * 2010-10-04 2012-04-05 Kinsei Sangyo Co., Ltd. Dry Distillation and Gasification Typed Incinerator

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2356294A1 (de) * 1973-11-10 1975-05-15 Air Preheater Verfahren zur verbrennung von abfaellen
EP0360052A1 (fr) * 1988-09-05 1990-03-28 Siemens Aktiengesellschaft Réacteur de pyrolyse pour l'élimination thermique de déchets
US5669317A (en) * 1993-08-19 1997-09-23 Siemens Aktiengesellschaft Plant for thermal waste disposal and process for operating such a plant
DE19706757A1 (de) * 1997-02-20 1998-09-03 Siemens Ag Anlage und Verfahren zur thermischen Entsorgung von Abfall
WO1999058459A1 (fr) * 1998-05-11 1999-11-18 Hydro-Quebec Traitement de residus humides contenant une matiere organique oxydable
EP1113223A1 (fr) * 1999-12-27 2001-07-04 Vogt, Myrtha Appareil de combustion
GB2359874A (en) * 2000-02-29 2001-09-05 Andrew William Webster Gasification augur
FR2810312A1 (fr) * 2000-06-16 2001-12-21 Etienne Sennesael Procede et dispositif de valorisation thermique des boues issues du traitement des eaux usees
RU2182884C1 (ru) 2000-11-16 2002-05-27 Оао "Аммофос" Способ очистки экстракционной фосфорной кислоты, используемой для получения жидких комплексных удобрений
WO2011014094A1 (fr) * 2009-07-29 2011-02-03 Shwarzman Alexander Jakovlevich Procédé et dispositif de recyclage de déchets humides contenant des matériaux organiques
US20120079970A1 (en) * 2010-10-04 2012-04-05 Kinsei Sangyo Co., Ltd. Dry Distillation and Gasification Typed Incinerator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106082571A (zh) * 2016-08-04 2016-11-09 山东奥特高科环保科技有限公司 低热值污泥三化处理工艺及装置
CN106594744A (zh) * 2017-01-13 2017-04-26 安徽未名鼎和环保有限公司 一种用于垃圾无害化处理的焚烧炉
CN106594744B (zh) * 2017-01-13 2019-05-07 安徽未名鼎和环保有限公司 一种用于垃圾无害化处理的焚烧炉
CN109534653A (zh) * 2018-12-29 2019-03-29 重庆盎瑞悦科技有限公司 一种固废热解析蓄热焚烧处理中的前端污泥干化系统

Also Published As

Publication number Publication date
LT2013073A (lt) 2015-01-26
LT6131B (lt) 2015-03-25

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