US3682117A - Mobile refuse incinerator - Google Patents

Mobile refuse incinerator Download PDF

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Publication number
US3682117A
US3682117A US69657A US3682117DA US3682117A US 3682117 A US3682117 A US 3682117A US 69657 A US69657 A US 69657A US 3682117D A US3682117D A US 3682117DA US 3682117 A US3682117 A US 3682117A
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United States
Prior art keywords
refuse
furnace
drum portion
jacket
chassis
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Expired - Lifetime
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US69657A
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English (en)
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Louis Marie Rousseau
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    • 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
    • F23G5/22—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having rotating or oscillating drums the drums being conically shaped
    • 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
    • F23G5/40—Portable or mobile incinerators

Definitions

  • the drum portion is preferably conical and becomes narrower toward the rear end of the furnace.
  • Appropriate seals are pro vided, with interengaging fixed and rotary parts, for ensuring air-tightness between the rotatable and stationary parts.
  • a decantation cyclone may be provided for the burnt gases, including a mechanism for cleaning the escaping gases and discharging the collected dust.
  • the furnace is provided with ducts for the combustion air, the fresh air, as well as the gases produced by the incineration of the refuse.
  • LOUIS MQRlE ROUSSEAU BY Z AGENT MOBEE REFUSE INCINERA'IOR The invention relates to improvements in mobile devices and equipments for the incineration of household and industrial refuse.
  • the cylindrical construction gives a uniform mass and volume.
  • the weight entails necessarily a high cost of the structure. While the volume of the combustion chamber in the incinerator is normal in the refuse input end, it becomes too important as the products move and become incinerated. This too large a space above the refuse has for result to expand the gas which allows only a feable turbulence (hence a nuisance for combustion) when an important quantity of calories is needed for the rise in temperature (900 to l,l C) in the furnace, and the maintaining of this temperature during its use.
  • the present invention concerns improvements to mobile rotary-drum furnaces, usually called incinerators, dealing with thermal treatment of household and industrial refuse and mud from town and factory waste water and the like.
  • the object of this invention is to render mobile an incineration equipment in order that with the same installation refuse may be incinerated on 6 According to important features of the present invention, these improvements are characterized by:
  • terchangeable and adjustable vents which permit: a. The penetration of the necessary oxygen for combustion in the heart of the mass of refuse to be burnt. These protruding vents are equally of use for the moving and mixing of the refuse as it is tumbled inside the rotating conical furnace portion.
  • FIG. 1 is a longitudinal side view of a preferred, exemplary embodiment of the inventive mobile refuse incinerator
  • FIG. 2 is a top plan view of the device shown in FIG.
  • FIG. 3 is a longitudinal side view of the device as seen from the side opposite to that of FIG. 1;
  • FIG. 4 is an end elevational view of the device as viewed from the right-hand end in FIG. 1 of the drawings;
  • FIG. 5 is a somewhat schematic vertical lengthwise section of the rotary furnace portion in the device
  • FIG. 6 is a transversal cross-sectional view of thefurnace portion along line 6 6 of FIG.
  • FIG. 7 is a vertical lengthwise sectional view, with parts broken away, on an enlarged scale as compared to the right-hand end of FIGF 5;
  • FIG. 8 is an enlargedtvertical sectional view of a portion of FIG. 7, for better illustration of one of the vents.
  • FIG. 9 is a similarly enlarged vertical sectional view of a cyclone and chimney forming part of the device, along line 9 9 of FIG. 2.
  • numeral 1 identifies a chassis or frame of a semi-trailer used for mounting the illustrated preferred embodiment of the inventive mobile refuse incinerator; 2 generally designates a furnace; 3 is a hopper for loading the refuse to be incinerated; 4 is an ash-bin; 5 is a gas duct or conduit; and 6 is a burnt-gas decantation cyclone (shown in detail in FIG. 9).
  • Hopper 3 may be fed by a crane, a loader on wheels or by any other suitable means, and it includes in its lower part a screw conveyor 10 which introduces the refuse to be incinerated in a post-combustion chamber 1 1 (see the enlarged FIG. 5).
  • Chamber 11 has in its upper part a gas evacuating conduit or opening 12 for exhausting the produced gas.
  • a tray 13 is provided to remove or pass rubbish beyond a joint 14 shown between the fixed part of the furnace 2, namely chamber 1 1, and its mobile or rotary part,.thatis cone or drum 19.
  • the passage of refuse in chamber 1 1 considerably reduces the percentage of moisture.
  • the refuse matter to be burnt introduced by tray 13 (FIG. 5) into conical rotary drum 19, moves in the direction of arrow X as an effect of a mechanism 18, shown in broken lines, and leaves the furnace at its rear end, and falls in the form of ashes in a water vessel or basin 41, by way of ash-bin 4.
  • Combustion air which has been previously warmed up and fed by a blower enters an air distributor 20 (FIGS. 1 to 4) by an air passage or conduit 21 which partly surrounds gas duct 5 in a heat-exchange relationship.
  • the air is supplied to the interior of distributing ducts 22 (FIGS. 5 to 8), enclosed between inner jacket 8 and ventilating ducts 45 constituting the earlier-mentioned outer jacket 45, by means of adjustable vanes 23.
  • Vane: 23 have openings which permit only the vents 24 to receive air for combustion which reach into the refuse to be burnt.
  • the flow of fresh air through a refractory body 40 surrounding conical rotary drum l9 permits its temperature regulation.
  • vents 24 protrude into the inner space of drum 19, they contribute to the intermixing of the refuse which is tumbled or rolled around in the furnace as it is rotated (best seen in FIG. 6).
  • the combustion air is introduced through terminal openings 27 right into the refuse mass as it is being tumbled.
  • Conduit 12 has in its upper part an opening 28 (FIGS. 1 to 4 and 7) intended to supply fresh air to cool the gases emanating from furnace 2.
  • This mixture sucked in by smoke extractor 25 ensures, during its passage in the interior of conduit 21, the warming of air intended for combustion.
  • the length of the conduit 21 through which the air has to travel permits good heat exchange with duct 5, thus contributing to further lowering its temperature so as not to impair the efficiency of the smoke extractor.
  • a first filtering of gas takes place on the walls of conduit 5, and an opening 29 permits the purge of any slime which might be produced (see FIGS. 1, 2 and 4).
  • Gas (see arrow Y) blown back by extractor 25 into cyclone 6 (FIG. 9) must pass baffles 30, 31, 32 before reaching a chimney 33.
  • This chimney includes in its lower part a curtain 34 of hanging chains, the curtain assisting in a final cleaning of the gas.
  • This curtain is mounted on a shaft 35 so that it can freely swing, which permits to shake the same by means of a lever 36 in order to get rid of any dust and deposit which has accumulated.
  • a discharge gate 37 (see FIGS. 2 and 9) ensures the evacuation of ashes falling into cones 38, 39.
  • the ashes leaving drum 19 fall in ash-bin 4 and then in water basin 41 (FIGS. 5, 7).
  • the ashes are then cooled, and the water level 42 obtained by an air lock 43 ensures that the air-tightness of the furnace is maintained since air might impair the proper adjustment of the combustion.
  • the removal or evacuation of ashes may be continuous or intermittent, depending on the size of the device.
  • Air-tightness of the revolving parts of furnace 2 (namely drum 19 and ducts 45) with respect to the stationary parts, namely chamber portion 11 and ash-bin 4, is ensured by gaskets as shown in FIGS. 5 and 7.
  • a gasket 44 is fixed to a jacket 49 of chamber 11, passing between two rotary soft flanges 47, 47 while these latter are fixed to ventilation ducts or outer jacket 45.
  • a circular element 57 joins jackets 45 and 8 (see FIG. 7) to close ducts 22.
  • a rotary gasket 46 fixed to ducts 45 and a gasket 46, also fixed to ducts 45, as well as jacket 8 pass between stationary soft flanges 48, 48', fixed to air distributor 20, the latter being in turn fixed to ash-bin 4 by means of a member 58.
  • Post-combustion chamber 1 1 is isolated from hopper 3 by a circular jacket 51 (FIG. 5) in which water circulates. The water avoids that a high temperature be transmitted to hopper 3.
  • numeral 60 indicates a rod welded or otherwise secured at one end to vent 24 and having the other end threaded.
  • Two nuts 61 secure each vent 24 and cowl 26 to jacket 8.
  • a lug 59 welded to jacket 8 holds vents 24 and cowls 26.
  • Arrow Z shows the flow of combustion air.
  • numeral 52 identifies a fuel tank, at 53 there are water tanks and 54 is a generating set supplying electric current, necessary for the operation of the mobile refuse incinerator so as to render it completely self-contained.
  • Hydraulic struts 55 ensure the stability of the equipment and assist in providing the necessary inclination.
  • inventive mobile refuse incinerator permits, for the first time, the incineration of rubbish or refuse for example by grouped town syndicates or by large towns where dumping grounds exist, and the reduction of mileage in unloading the collecting vehicles. Due to this mobility the smallest boroughs can now get rid of their refuse by incineration according to hygienic rules, by making use of the inventive device.
  • a mobile refuse incinerator comprising, in combination, a chassis, a furnace supported by said chassis and including a stationary chamber portion and an axially aligned, rotatable, conical drum portion narrower at its rear end which is remote from said chamber portion, thereby providing an inner volume in said chamber portion which decreases substantially at the same rate as the refuse is being incinerated therein and as its calorific value diminishes, at least one jacket provided along and around said drum portion, vents disposed about the periphery of said drum portion for feeding combustion air into said furnace, said vents protruding into the refuse being incinerated, a circular element around said drum portion for receiving combustion air through said at least one jacket, and a burner at the rear end of said furnace for igniting and reducing the refuse, said vents having air outlets near their innermost ends, for feeding the combustion air into the mass of refuse as it is tumbled inside said drum portion during the rotation of the latter, thereby efiecting thorough reduction and incineration of the refuse, while the protrud
  • a mobile refuse incinerator comprising, in combination, a chassis, a furnace supported by said chassis and including a stationary chamber portion and an axially aligned rotatable drurn portion, at least one jacket provided along and around said drum portion, vents disposed about the periphery of said drum portion for feeding combustion air into said furnace, a circular element around said drum portion for receiving combustion air through said at least one jacket, and a burner at the rear end of said furnace for igniting and reducing the refuse, wherein said drum portion is conical and becomes narrower toward said rear end of the furnace, remote from said chamber portion, and further comprising a mechanism for advancing the refuse from said chamber into said drum portion, and a stationary ash-bin for collecting ashes from said rear end of the furnace, including a water basin below said ash-bin, for cooling the ashes, said burner being disposed substantially in the center of said ash-bin.
  • said at least one jacket includes an inner and an outer jacket, further comprising gaskets including fixed and rotary disks disposed between at least two soft rotary and stationary flanges having at their edges metal bands in light frictional engagement with said disks, in the upper part of said furnace said fixed disks being mounted on said chamber portion and passing between said rotary flanges, secured to said outer jacket, while in the lower part of said furnace said rotary disks are fixed on said drum portion between said stationary flanges, said gaskets being provided for securing air-tightness between said rotatable drum portion and the stationary parts, namely said chamber portion and said ash-bin.
  • a mobile refuse incinerator comprising, in combination, a chassis, a furnace supported by said chassis and including a stationary chamber portion and an axially aligned rotatable drum portion, at least one jacket provided along and around said drum portion, vents disposed about the periphery of said drum portion for feeding combustion air into said furnace, a circular element around said drum portion for receiving combustion air through said at least one jacket, a burner at the rear end of said furnace for igniting and reducing the refuse, and a decantation cyclone for burnt gases, equipped with baffles and having on its top a chimney fitted with means for cleaning the escaping gases, the latter including in the lower part of said cyclone a chain curtain, for catching dust and other deposits, said curtain being mounted on a swingable shaft operable by a lever for shaking off the dust, said cyclone having at its base two substantially symmetrical cones closed by a gate, for respectively collecting and discharging the dust.
  • a mobile refuse incinerator comprising, in combination, a chassis, a furnace supported by said chassis and including a stationary chamber portion and an axially aligned rotatable drum portion, at least one jacket provided along and around said drum portion, vents disposed about the periphery of said drum portion for feeding combustion air into said furnace, a circular element around said drum portion for receiving combustion air through said at least one jacket, a burner at the rear end of said furnace for igniting and reducing the refuse, a hopper associated with said chamber portion, for loading the refuse to be incinerated, and a worm screw mechanism in the lower part.
  • said drum portion for moving the refuse into said chamber portion, wherein said drum portion is surrounded with a refractory wall through which pass said vents, the latter being removable, controllable from outside and protruding in the interior of said furnace in order to mix the refuse, further comprising cowls fitted to said vents, distributing ducts in the region of said at least one jacket for catching the combustion air, said cowls protruding into said distributing ducts, an annular distributor which conveys the combustion air, adjustable shutters forming part of said distributor, and ventillation ducts constituting said at least one jacket and associated with said shutters, only the vents which reach into the refuse to be incinerated receiving the combustion air.
  • the mobile refuse incinerator as defined in claim 9, further comprising a tray in the lower part of said chamber portion for the refuse from said stationary chamber portion into said rotatable drum portion, a gas evacuating conduit in the top part of said chamber portion, said conduit having an opening for the supply of fresh air, to cool the gases emanating from said furnace, a smoke extractor connected to said gas conduit, a gas duct intermediate said gas conduit and said smoke extractor, passing from said chamber portion to said distributor, a combustion air conduit, leading to said rear end of the furnace, a blower to force the air, warmed up in the region of said hopper, into said air conduit, which latter is in heat exchange relationship with said gas duct, the latter passing at least partly therein, and an annular water jacket providing heat insulation between said chamber portion and said hopper.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Gasification And Melting Of Waste (AREA)
US69657A 1969-09-11 1970-09-08 Mobile refuse incinerator Expired - Lifetime US3682117A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6931690A FR2061872A5 (zh) 1969-09-11 1969-09-11

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US3682117A true US3682117A (en) 1972-08-08

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US69657A Expired - Lifetime US3682117A (en) 1969-09-11 1970-09-08 Mobile refuse incinerator

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US (1) US3682117A (zh)
AT (1) AT305480B (zh)
BE (1) BE755509A (zh)
CH (1) CH518493A (zh)
DK (1) DK130256B (zh)
ES (1) ES383315A1 (zh)
FR (1) FR2061872A5 (zh)
GB (1) GB1270739A (zh)
IE (1) IE34517B1 (zh)
LU (1) LU61663A1 (zh)
NL (1) NL151179B (zh)
NO (1) NO131478C (zh)
OA (1) OA03479A (zh)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771471A (en) * 1971-01-18 1973-11-13 Cigeco Co Convoyeurs Sa Mobile incinerator with a rotary furnace, particularly for household refuse
US3785302A (en) * 1972-02-11 1974-01-15 E Davis Incinerators for pollution free burning of solid waste materials at low cost and with reduced possibility of accidental fire setting, often, transportable, portable, and/or semi permanently located
FR2212514A1 (zh) * 1972-12-28 1974-07-26 Casa Metzger Comercio Ingenier
US3847095A (en) * 1973-05-11 1974-11-12 F Bauer Refuse incinerator
US3859934A (en) * 1973-04-23 1975-01-14 Blick Equipment Corp Portable combustion apparatus
DE2428961A1 (de) * 1973-06-20 1975-01-16 Bouillet Laurent Sa Vorrichtung und verfahren zum thermischen verarbeiten von muell, abfaellen und/oder aehnlichen produkten
US3861335A (en) * 1973-08-20 1975-01-21 Progressive Trade Corp Incineration system
US3882801A (en) * 1973-11-16 1975-05-13 Manitra Ets Incinerator for domestic and industrial solid, semi-liquid or liquid waste
US3882800A (en) * 1973-02-16 1975-05-13 Locaner Automotive unit for the collection and incineration of household or industrial refuse
JPS516373A (en) * 1974-07-05 1976-01-19 Ebara Infilco Odeinadono shoseikaitenro
US3939783A (en) * 1973-09-28 1976-02-24 B. V. Peximac Furnace for incinerating waste materials
US4852815A (en) * 1988-02-29 1989-08-01 Giannotti Hugo V Transit refuse resource recovery and incineration system
US4876971A (en) * 1988-08-29 1989-10-31 Oconnor Chadwell Water cooled incinerator
US5199354A (en) * 1988-11-18 1993-04-06 Tps Technologies, Inc. Mobile soil remediation system
US20020117390A1 (en) * 1996-10-16 2002-08-29 Louis Rousseau Method and device for heat treatment of waste products
WO2008017149A1 (en) * 2006-08-08 2008-02-14 Fralma Technologie Inc. Apparatus for destruction of organic pollutants
WO2009061272A1 (en) * 2007-11-05 2009-05-14 Janfire Aktiebolag Burner for combustion of granular, solid fuel
US20100242812A1 (en) * 2006-11-15 2010-09-30 Maralto Environmental Technologies Ltd. Cyclonic incinerator
US20130137056A1 (en) * 2011-11-28 2013-05-30 David Vardy Heat chamber
WO2012127182A3 (en) * 2011-03-19 2013-11-28 Chinook End-Stage Recycling Limited Improvements in waste processing
US10718514B1 (en) * 2018-12-28 2020-07-21 Hangzhou Jianyi Technology Co., Ltd. Garbage incineration device for garbage disposal

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2234521A1 (en) * 1973-06-20 1975-01-17 Heliox Oscillating drum refuse incinerator - has air entry channels behind refractory lining composed of concrete blocks
FR2448701B1 (fr) * 1979-02-12 1985-09-27 Bouillet Ind Laurent Perfectionnements a un four pour la combustion d'un produit
US6228143B1 (en) * 2000-01-18 2001-05-08 The International Metals Reclamation Company, Inc. Rotary thermal oxidizer for battery recycling and process

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2238161A (en) * 1938-04-23 1941-04-15 William F Drew Tandem rotary incinerator
US2862462A (en) * 1953-10-06 1958-12-02 Mobile Incinerators Inc Mobile incinerators
US3380407A (en) * 1965-09-15 1968-04-30 Landsverk Ab Rotary incinerators for waste and refuse matter
US3405667A (en) * 1965-12-29 1968-10-15 Becker Fritz Refuse burning installations
US3487794A (en) * 1968-02-23 1970-01-06 Joe Wayne Willey Trash burner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2238161A (en) * 1938-04-23 1941-04-15 William F Drew Tandem rotary incinerator
US2862462A (en) * 1953-10-06 1958-12-02 Mobile Incinerators Inc Mobile incinerators
US3380407A (en) * 1965-09-15 1968-04-30 Landsverk Ab Rotary incinerators for waste and refuse matter
US3405667A (en) * 1965-12-29 1968-10-15 Becker Fritz Refuse burning installations
US3487794A (en) * 1968-02-23 1970-01-06 Joe Wayne Willey Trash burner

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771471A (en) * 1971-01-18 1973-11-13 Cigeco Co Convoyeurs Sa Mobile incinerator with a rotary furnace, particularly for household refuse
US3785302A (en) * 1972-02-11 1974-01-15 E Davis Incinerators for pollution free burning of solid waste materials at low cost and with reduced possibility of accidental fire setting, often, transportable, portable, and/or semi permanently located
FR2212514A1 (zh) * 1972-12-28 1974-07-26 Casa Metzger Comercio Ingenier
US3882800A (en) * 1973-02-16 1975-05-13 Locaner Automotive unit for the collection and incineration of household or industrial refuse
US3859934A (en) * 1973-04-23 1975-01-14 Blick Equipment Corp Portable combustion apparatus
US3847095A (en) * 1973-05-11 1974-11-12 F Bauer Refuse incinerator
DE2428961A1 (de) * 1973-06-20 1975-01-16 Bouillet Laurent Sa Vorrichtung und verfahren zum thermischen verarbeiten von muell, abfaellen und/oder aehnlichen produkten
US3916806A (en) * 1973-06-20 1975-11-04 Bouillet Laurent Sa Installation and method for heat treatment of refuse and/or similar products
US3861335A (en) * 1973-08-20 1975-01-21 Progressive Trade Corp Incineration system
US3939783A (en) * 1973-09-28 1976-02-24 B. V. Peximac Furnace for incinerating waste materials
US3882801A (en) * 1973-11-16 1975-05-13 Manitra Ets Incinerator for domestic and industrial solid, semi-liquid or liquid waste
JPS516373A (en) * 1974-07-05 1976-01-19 Ebara Infilco Odeinadono shoseikaitenro
US4852815A (en) * 1988-02-29 1989-08-01 Giannotti Hugo V Transit refuse resource recovery and incineration system
US4876971A (en) * 1988-08-29 1989-10-31 Oconnor Chadwell Water cooled incinerator
US5199354A (en) * 1988-11-18 1993-04-06 Tps Technologies, Inc. Mobile soil remediation system
US20020117390A1 (en) * 1996-10-16 2002-08-29 Louis Rousseau Method and device for heat treatment of waste products
US6849160B2 (en) * 1996-10-16 2005-02-01 Sanifa Method and device for heat treatment of waste products
WO2008017149A1 (en) * 2006-08-08 2008-02-14 Fralma Technologie Inc. Apparatus for destruction of organic pollutants
US20100242812A1 (en) * 2006-11-15 2010-09-30 Maralto Environmental Technologies Ltd. Cyclonic incinerator
US8443740B2 (en) * 2006-11-15 2013-05-21 Maralto Environmental Technologies Ltd. Cyclonic incinerator
WO2009061272A1 (en) * 2007-11-05 2009-05-14 Janfire Aktiebolag Burner for combustion of granular, solid fuel
WO2012127182A3 (en) * 2011-03-19 2013-11-28 Chinook End-Stage Recycling Limited Improvements in waste processing
CN103547862A (zh) * 2011-03-19 2014-01-29 奇努克终极回收有限公司 关于废物处理的改进
CN103547862B (zh) * 2011-03-19 2016-04-06 奇努克终极回收有限公司 关于废物处理的改进
US20130137056A1 (en) * 2011-11-28 2013-05-30 David Vardy Heat chamber
US10718514B1 (en) * 2018-12-28 2020-07-21 Hangzhou Jianyi Technology Co., Ltd. Garbage incineration device for garbage disposal

Also Published As

Publication number Publication date
OA03479A (fr) 1971-03-30
NO131478B (zh) 1975-02-24
DE2045113B2 (de) 1976-03-18
ES383315A1 (es) 1973-01-16
BE755509A (fr) 1971-02-01
DE2045113A1 (de) 1971-03-18
LU61663A1 (zh) 1970-12-08
IE34517B1 (en) 1975-05-28
GB1270739A (en) 1972-04-12
DK130256C (zh) 1975-06-30
FR2061872A5 (zh) 1971-06-25
CH518493A (fr) 1972-01-31
DK130256B (da) 1975-01-27
AT305480B (de) 1973-02-26
IE34517L (en) 1971-03-11
NL7013049A (zh) 1971-03-15
NL151179B (nl) 1976-10-15
NO131478C (zh) 1975-06-04

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