CN100357663C - Incinerator for dust separation and rubbish pyrolysis - Google Patents
Incinerator for dust separation and rubbish pyrolysis Download PDFInfo
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- CN100357663C CN100357663C CNB200510021348XA CN200510021348A CN100357663C CN 100357663 C CN100357663 C CN 100357663C CN B200510021348X A CNB200510021348X A CN B200510021348XA CN 200510021348 A CN200510021348 A CN 200510021348A CN 100357663 C CN100357663 C CN 100357663C
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Abstract
The present invention relates to an incinerator for dust removal, purification and rubbish pyrolysis, which solves the problems of high-temperature bag burning of the cloth bag dust removal outside the existing incinerator body, high fault of a draught fan, low reducing quantity, low combustion efficiency, etc. A rubbish drying pyrolysis chamber, a movable incinerator plate, a rubbish burning chamber and a dust bucket are arranged in an incinerator body from top to bottom, and a dust removing filtering belt made of a filtering sleeve and particle filtering materials is arranged in the incinerator body. The filtering materials can be completely sieved by an umbrella-shaped sifter and be circularly used by a delivery device. The incinerator of the present invention is a device combining drying, pyrolysis, combustion and dust removal of the rubbish into a whole. The fume after dust removal leads into a fume burning chamber to use redundant multi-point high pressure jet to supply oxygen and burn forcedly (including autoignition), and quantity reduction and innocuity of the rubbish are realized effectively; the movable incinerator plate greatly improves combustion efficiency; the rubbish uses an anoxycausis way, so that fuel and energy are saved; the high-pressure blast and an ejector replace the traditional draught fan, so that service life is prolonged. The incinerator can be widely used for processing various kinds of rubbish; the entire combustion is in the slight negative pressure and the complete closeness, so that safety is high; the incinerator is especially suitable for processing harmful toxic special rubbish.
Description
(1) technical field: the present invention relates to a kind of refuse pyrolysis incinerator, belong to the removing of incinerator class (F23G) and combustion residue or handle class (F23J) with flue-gas dust removal and purification device.
(2) background technology:
In numerous waste disposal methods, it is big to handle its volume reduction ratio with burning method, innoxious thorough, takes up an area of little.
Existing refuse pyrolysis incinerator, the facility that has when realization is innoxious can not guarantee its safe and reliable operation.As: the flue-gas dust removal and purification of incinerator adopts traditional sack cleaner outside body of heater, high temperature usually occurs and burn problems such as bag, maintenance management difficulty, therefore need establish heat exchanger and make cloth bag space of living in cooling (general smoke inlet place should not above 120 ℃), and need with complicated technologies such as mechanical vibrator cloth bags, and need periodic replacement cloth bag etc., all increased one-time investment and operating cost.And for example: the combustion-supporting pressure air in combustion chamber is provided in the existing refuse pyrolysis incinerator and purifies the dispatch of flue gas, tradition adopts air-introduced machine to finish, but because of quality, cost is former thereby cause fault high, influences the normal operation of incinerator.And existing refuse pyrolysis incinerator also exists not enough in volume reduction ratio, efficiency of combustion etc., all haves much room for improvement and optimizes.
(3) summary of the invention: a kind of incinerator for dust separation and rubbish pyrolysis that the present invention proposes, problem such as solve exactly that above-mentioned sack cleaner high temperature that existing refuse pyrolysis incinerator exists burns that equipment such as bag grade is dangerous, air-introduced machine fault height, volume reduction ratio and efficiency of combustion are not high.Its technical scheme is as follows:
Incinerator for dust separation and rubbish pyrolysis comprises body of heater, rubbish import, ash bucket, and chimney is characterized in that
A. in body of heater 1, be provided with in turn from top to bottom: the drying garbage pyrolysis chamber 2 that communicates with top rubbish import, movable stone or metal plate for standing a stove on as a precaution against fire 3, incineration firing chamber 4 and bottom ash bucket 7;
B. in the drying garbage pyrolysis chamber, establish the dedusting strainer 11 that the granule filter material of filter ruffle and interior dress is made, the strainer inner chamber is a collection chamber 12, the strainer top is the outer feeding pond of what body of heater and communicate with it fixedly, and the interior umbellate form sifter 9 of strainer lower end and body of heater is communicated with, and stretches to outside the body of heater by the filtrate passage;
C. be set in around the chimney preheater 21 and to the high pressure positive blower 22 of its air feed, in the preheated air export pipeline first via and the body of heater above the ash bucket 4 belows, combustion chamber be communicated with; The second the tunnel feeds the mixing chamber 14 that communicates with collection chamber 12, and mixing chamber is communicated with smoke combustion chamber 17; Smoke combustion chamber air draft place is connecting chimney and at the chimney place ejector 20 is being set.
Above-mentioned movable stone or metal plate for standing a stove on as a precaution against fire 3 can adopt following structure: be provided with outer rotation upper stone or metal plate for standing on a stove as a precaution against fire and the fixedly stone or metal plate for standing a stove on as a precaution against fire below it of dress what stone or metal plate for standing a stove on as a precaution against fire movable axis; Rotation and fixedly be equipped with on the stone or metal plate for standing a stove on as a precaution against fire and grind groove; Have material spilling hole on the rotation upper stone or metal plate for standing on a stove as a precaution against fire.
Above-mentioned dedusting strainer can be made up of the brown corundum particles of silicon carbide filtrate that filter ruffle in outer filter ruffle of stainless (steel) wire and the stainless (steel) wire constitutes filter ruffle and interior dress.
Above-mentioned ejector 20 can adopt following structure: circumferentially fix 2～8 mozzles that make progress 20.3 along inner wall of stack, the jet sheath of dress is all established the fluidic channel that matches outside this place's chimney wall reaches, and with pipeline fluidic channel is communicated with preheater.
Air outlet chimney place can set up the excess air oxygen supplying chamber 19 of following structure in above-mentioned smoke combustion chamber: open spray-hole 19.3 at the chimney wall, the oxygen supply sheath of dress is all opened the oxygen supply passage that matches outside this place's chimney wall reaches, and with pipeline the oxygen supply passage is communicated with preheater.Also can be described as the 3rd combustion chamber in the chimney section herein.
The start-up burner 5 that the indoor installing positive ignition of above-mentioned incineration firing mode is combustion-supporting is pressed 30%～50% of required air quantity by bottom of furnace body bubbling air amount, in order to realize the anoxycausis pyrolysis.The start-up burner 18 that the indoor installing positive ignition of above-mentioned smoke combustion mode is combustion-supporting, the air capacity that is sprayed into preheated air by excess air oxygen supplying chamber (19) spray-hole is 250%～350% of a required air quantity, realizes superfluous many places oxygen supply forced burning thus.Above-mentioned preheater outlet dispensing air preheating temperature can be controlled in 150～250 ℃.
Above-mentioned body of heater is outer can establish the filtrate conveying device that connects filtrate passage and feeding pond, also can be by artificial conveyance.
Member selected materials heat resisting temperatures such as the dedusting strainer that is provided with in the above-mentioned body of heater, umbellate form sifter, movable stone or metal plate for standing a stove on as a precaution against fire generally are taken as 800-1600 ℃ of scope.
Beneficial effect of the present invention:
(1) drying garbage, pyrolysis, burning and flue-gas dust removal and purification are combined cleverly, be designed to integration apparatus.
(2) the incinerator volume reduction ratio is big: dust arrester is established in the what body of heater, and integration apparatus is for being arranged vertically in the body of heater, ash after it is burned in body of heater can enter in the rubbish with the direct rising of gas again, just can make repeatedly burning repeatedly of rubbish in body of heater, effectively increases the volume reduction ratio of incinerator.
(3) the innoxious degree height of flue gas: in body of heater, just flue gas is carried out dedusting, flue gas directly feeds the smoke combustion chamber and burns once more after the dedusting, perhaps, not only improve the incinerator volume reduction ratio thus, and realize that effectively the discharging flue gas is innoxious again through the 3rd combustion chamber after-flame.
(4) high temperature gas flow and the rubbish counter flow combustion of incineration firing generation improve incineration firing efficient, energy efficient.
(5) rubbish is through the rotation of movable stone or metal plate for standing a stove on as a precaution against fire, stirring, pulverizing, grind to form powdery at last, enters incineration firing chamber forced burning through the air-flow of the disorder shape that becomes to loose, and improved efficiency of combustion greatly.
(6) rubbish adopts anoxycausis, saves fuel oil, and pyrolysis time is long, and can produce fuel gas, energy savings.
(7) superfluous many places high-pressure spray oxygen supply forced burning (spontaneous combustion) is adopted in the smoke combustion chamber of band chimney, and the burning time of staying is long, and cracking is abundant, and burning can effectively be removed poisonous and harmful substance fully.
(8) preheated air is controlled in 150～250 ℃, and integrated heat efficiency is utilized high, effectively improves combustion position, and can prolong chimney service life.
(9) adopt high temperature resistant filtrate that can be recycled and dedusting strainer, replace traditional sack cleaner, solved the high temperature that is caused by it and burnt bag, it is difficult to safeguard, complex process, problems such as investment running cost height.
(10) add ejector with the high pressure air blast and substitute traditional air-introduced machine, solved the equipment fault height, increase service life.
(11) whole combustion process is carried out in little negative pressure, accurate airtight operating mode, and is safe, and the burning that is particularly suitable for the extraordinary rubbish of poisonous and harmful is handled.
(12) processing of each member and equipment is simple in the whole system of the present invention, fault rate is low.
(4) description of drawings:
Fig. 1 system global structure of the present invention, layout and schematic diagram
Fig. 2 Figure 1A-A cutaway view (ejector diagrammatic sketch)
Fig. 3 Figure 1B-B cutaway view (the 3rd combustion chamber diagrammatic sketch)
Fig. 4 course of work schematic flow sheet of the present invention
(5) specific embodiment:
See Fig. 1, body of heater 1 wall is made up of flame retardant coating 1.1, thermal insulation layer 1.2, shell 1.3 from the inside to the outside.The upper furnace body profile is a circular cone, is drying garbage pyrolysis chamber 2 in it, and rubbish import 13 is communicated with it up.The lower furnace body profile is cylinder-contraction circular cone-cylinder-contraction circular cone-cylinder from top to bottom.Burner 5, the roasting plate 6 in the stove and the ash bucket 7 of bottom that incineration firing chamber 4, body of heater wall are arranged in the lower furnace body.Upper and lower body of heater is linked to be integral body with flange 1.4.
Movable stone or metal plate for standing a stove on as a precaution against fire 3 is provided with the rotation upper stone or metal plate for standing on a stove as a precaution against fire 3.1 outside the dress what stone or metal plate for standing a stove on as a precaution against fire movable axis 3.4 in the upper furnace body.Fixedly stone or metal plate for standing a stove on as a precaution against fire 3.2 is housed below the upper stone or metal plate for standing on a stove as a precaution against fire; Rotation and fixedly be respectively equipped with on the stone or metal plate for standing a stove on as a precaution against fire and grind groove 3.5 and 3.7; Have material spilling hole 3.6 on the rotation upper stone or metal plate for standing on a stove as a precaution against fire.Stone or metal plate for standing a stove on as a precaution against fire movable axis 3.4 is driven by trace 3.3 in the body of heater, adorns one group of bevel type gear between the two, and trace 3.3 stretches out outside the body of heater, and the optional motor of using drives the trace rotation behind deceleration device, also can adorn handle by manually shaking trace.Rotate when trace drives upper stone or metal plate for standing on a stove as a precaution against fire by the stone or metal plate for standing a stove on as a precaution against fire movable axis, stirring grinds up the refuse, and the rubbish material can bleed from material spilling hole and go up between lower stone or metal plate for standing on a stove as a precaution against fire, is ground into powder through grinding groove then.
Establishing dedusting strainer 11 in the upper furnace body is made up of the brown corundum particles of silicon carbide filtrate 11.1 of filter ruffle 11.3 and interior dress in outer filter ruffle 11.2 of stainless (steel) wire and the stainless (steel) wire.This filtrate and filter ruffle heatproof are about 1600 ℃.The lower end of dedusting strainer is connected to umbellate form sifter 9 in the body of heater, and it includes kuppe 9.1, and stretches out outside the body of heater by filtrate path 10 .1.(movable stone or metal plate for standing a stove on as a precaution against fire and umbellate form sifter can be made of stainless steel in the above-mentioned body of heater)
Body of heater is outer can establish filtrate conveying device 10, by carrying filtrate path 10 .1, valve 10.2, storage bin 10.3, valve 10.4, storage pool 10.5, the stock shelf 10.6 that supports and transport filtrate, skip car 10.7 and the feeding pond 10.8 that connects in turn, the feeding pond is fixed in dedusting strainer upper end.Contaminated filtrate falls in the umbellate form sifter, behind cleaning, clean filtrate is sent into storage bin 10.3 and storage pool 10.5 from filtrate path 10 .1, by skip car 10.7 in stock shelf 10.6 top sheave liftings, clean filtrate is transported in upper end skip car 10.7 and the feeding pond 10.8, send into from the top down in the strainer through the feeding pond again, realize that with this filtrate recycles.Outside body of heater, also can not adopt filtrate conveying device 10, be transported to the feeding pond, send into strainer again by filtrate artificial and that ladder is got rid of the filtrate passage.
High pressure positive blower 22 air outlets are communicated with preheater 21, the air first via after the preheating (see among Fig. 4 1.) by the road 8 and valve 8.1 feed ash bucket top and 4 belows, incineration firing chamber in the bodies of heater, air capacity is completing combustion 35%, makes the incineration firing chamber carry out the anoxycausis pyrolysis.Temperature in the installing thermocouple thermostat control body of heater keeps constant temperature in burner.General temperature is about 650 ℃.
Preheated air the second tunnel (see among Fig. 4 2. shown in) by the road 8 and valve 14.1 send into mixing chamber 14; Pore 15 by dedusting strainer upper end is communicated with collection chamber 12 and mixing chamber 14, and mixing air is communicated with smoke combustion chamber 17 through flue 16 again in it.Flue 16 can make mist fully mix.Establish the combustion-supporting start-up burner of positive ignition mode 18 in the smoke combustion chamber 17, also install the thermocouple thermostat in it.After fuel for burner (oil or combustion gas) is lighted flue gas, when bubbling air amount appropriateness, continuous spontaneous combustion can be kept in the combustion chamber and refuelling need not be continued, temperature constant, work as variations in temperature, automatically adjusted or stopped to spray into fuel quantity by the control burner 18 of thermostat, temperature generally is controlled at about 950～1150 ℃.
See Fig. 1 and Fig. 3, for increasing gas cleaning degree and innoxious, can set up following excess air oxygen supplying chamber 19: preheated air 4. the road by the road 20.1 and 19.1 and valve 19.2 be communicated with excess air oxygen supplying chamber 19, these place's chimney 23 walls are opened spray-hole 19.3 and (are circumferentially opened eight for every layer, totally four layers), its outer dress oxygen supply sheath 19.4, preheated air through enter oxygen supply passage 19.5 behind the valve 19.2 and from spray-hole 19.3 in the chimney of exit, smoke combustion chamber, the radial spray preheated air, this place also can be described as the 3rd combustion chamber 19.General bubbling air amount is 300% of a completing combustion required air quantity, makes the carbon granules that does not burn on a small quantity can remain on spontaneous combustion in the chimney, thereby reaches burning, splitting action cmpletely.
See Fig. 1 and Fig. 2, for the dispatch of wind in the consolidation system with flow, establish following ejector 20 at smoke combustion chamber wind outlet installing chimney 23 and chimney middle section: circumferentially fix 4 mozzles that make progress 20.3 along inner wall of stack, dress jet sheath 20.4 outside this place, preheated air the 3. route pipeline 20.1 and valve 20.2 with air through fluidic channel 20.5, radially enter four mozzles, axially discharge to the chimney top, the diluted purification on the one hand of top tail gas, simultaneously produce little negative pressure at regional 20.6 places of mozzle outer shaft downwards thus, add the high-altitude chimney draft both make the tail gas high altitude discharge jointly.Rain cap 24 is equipped with on the top.
The course of work: see Fig. 4, solid refuse enters drying garbage pyrolysis chamber 2 from the rubbish import and carries out drying, entering incineration firing chamber 4 after the stirring of rotation stone or metal plate for standing a stove on as a precaution against fire, pulverizing are ground burns, produce rising hot gas, its thick grit that contains by throwing on the solid refuse of upper furnace body inwall and countercurrent direction motion, garbage drying falls into the combustion chamber repeated combustion at last repeatedly once more.Carry out simultaneously flue dust (fine dust) after the anoxycausis in the combustion chamber 4 through cleaning system, purify the back flue gas and advance mixing chamber through collection chamber and mix with air and feed the completing combustion of smoke combustion chamber again.Also can be in the chimney of exit, smoke combustion chamber the jet preheat air, produce spontaneous combustion, the cracking of fully burning.Tail gas through ejector produce little negative pressure by chimney to the tail gas high altitude discharge.Strainer mainly relies on comprehensive sievings such as inertial collision, directly interception, diffusion, gravitational settling, electrostatic attraction to obtain udst separation.Simultaneously contaminated filtrate slowly falls into umbrella shape sifter cleaning by governing speed after the dedusting, and clean filtrate conveying device or by manually sending into strainer again outside body of heater recycles filtrate.
Claims (10)
1. incinerator for dust separation and rubbish pyrolysis comprises body of heater, rubbish import, ash bucket, and chimney is characterized in that
A. in body of heater (1), be provided with in turn from top to bottom: the drying garbage pyrolysis chamber (2) that communicates with top rubbish import, movable stone or metal plate for standing a stove on as a precaution against fire (3), incineration firing chamber (4) and bottom ash bucket (7);
B. in the drying garbage pyrolysis chamber, establish the dedusting strainer (11) that the granule filter material of filter ruffle and interior dress is made, the strainer inner chamber is collection chamber (12), the strainer top is the outer feeding pond of what body of heater and communicate with it fixedly, the strainer lower end is communicated with the umbellate form sifter (9) in the body of heater, and stretches to outside the body of heater by the filtrate passage;
C. be set in around the chimney preheater (21) and to the high pressure positive blower (22) of its air feed, be communicated with between the preheated air export pipeline first via and the interior ash bucket of body of heater and combustion chamber (4); The second the tunnel feeds the mixing chamber (14) that communicates with collection chamber, and mixing chamber is communicated with smoke combustion chamber (17); Smoke combustion chamber air draft place is connecting chimney (23) and ejector (20) is being set at the chimney place.
2. by the described refuse pyrolysis incinerator of claim 1, it is characterized in that being provided with in the movable stone or metal plate for standing a stove on as a precaution against fire (3) outer rotation upper stone or metal plate for standing on a stove as a precaution against fire and the fixedly stone or metal plate for standing a stove on as a precaution against fire below it of dress what stone or metal plate for standing a stove on as a precaution against fire movable axis; Rotation and fixedly be equipped with on the stone or metal plate for standing a stove on as a precaution against fire and grind groove; Have material spilling hole on the rotation upper stone or metal plate for standing on a stove as a precaution against fire.
3. by the described refuse pyrolysis incinerator of claim 1, it is characterized in that dedusting strainer (11) is made up of the brown corundum particles of silicon carbide filtrate that filter ruffle in outer filter ruffle of stainless (steel) wire and the stainless (steel) wire constitutes filter ruffle and interior dress.
4. by the described refuse pyrolysis incinerator of claim 1, it is characterized in that the following formation of ejector (20): circumferentially fix 2～8 mozzles that make progress along inner wall of stack, the jet sheath of dress is equipped with the fluidic channel that matches with it outside this place's chimney wall reaches, and with pipeline fluidic channel is communicated with preheater.
5. by the described refuse pyrolysis incinerator of claim 1, it is characterized in that establishing following excess air oxygen supplying chamber (19) at smoke combustion chamber wind outlet: the chimney wall is opened spray-hole, the oxygen supply sheath of dress all has the oxygen supply passage that matches with it outside this place's chimney wall reaches, and with pipeline the oxygen supply passage is communicated with preheater.
6. by the described refuse pyrolysis incinerator of claim 1, it is characterized in that the indoor combustion-supporting start-up burner of positive ignition mode (5) of establishing of incineration firing, press 30%～50% of required air quantity by bottom of furnace body bubbling air amount.
7. by claim 1 or 5 described refuse pyrolysis incinerators, it is characterized in that the combustion-supporting start-up burner (18) of installing positive ignition mode in the smoke combustion chamber (17); The air capacity that is sprayed into preheated air by excess air oxygen supplying chamber (19) spray-hole is 250%～350% of a required air quantity.
8. by claim 1 or 4 or 5 described refuse pyrolysis incinerators, it is characterized in that preheater dispensing air preheating temperature is in 150～250 ℃ of scopes.
9. by the described refuse pyrolysis incinerator of claim 1, it is characterized in that connecting the filtrate conveying device (10) in filtrate passage and feeding pond at the body of heater peripheral hardware.
10. by the described refuse pyrolysis incinerator of claim 1, it is characterized in that the heat resisting temperature of the material of the interior dedusting strainer that is provided with of body of heater, umbellate form sifter, movable stone or metal plate for standing a stove on as a precaution against fire is taken as 800-1600 ℃ of scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510021348XA CN100357663C (en) | 2005-07-28 | 2005-07-28 | Incinerator for dust separation and rubbish pyrolysis |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510021348XA CN100357663C (en) | 2005-07-28 | 2005-07-28 | Incinerator for dust separation and rubbish pyrolysis |
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| CN1727751A CN1727751A (en) | 2006-02-01 |
| CN100357663C true CN100357663C (en) | 2007-12-26 |
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| CNB200510021348XA Expired - Fee Related CN100357663C (en) | 2005-07-28 | 2005-07-28 | Incinerator for dust separation and rubbish pyrolysis |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261665A (en) * | 2011-05-24 | 2011-11-30 | 苏州森泰动力环保工程有限公司 | Environment-friendly chimney with odor removal function |
| CN103574618B (en) * | 2012-08-12 | 2016-08-31 | 张海明 | Help oxygen combustion-type domestic garbage treatment machine |
| CN102937293B (en) * | 2012-12-04 | 2015-10-21 | 江苏梵坤环保科技发展股份有限公司 | pet corpse incinerator and incineration control method |
| CN103234206B (en) * | 2013-04-22 | 2015-04-22 | 江苏科圣化工装备工程有限公司 | Recycling method and recycling device of fire coal high temperature flue gas |
| CN103528084B (en) * | 2013-10-30 | 2016-01-20 | 艾治文 | Self-preheating-typehigh-temperature high-temperature oxidation smoke exhaust hood |
| CN105090983A (en) * | 2014-06-13 | 2015-11-25 | 池州中宏运环保设备有限公司 | Rotatable hearthstone device |
| CN107477591A (en) * | 2017-10-09 | 2017-12-15 | 常州福隆工控设备有限公司 | A kind of garbage combustion device |
| CN108518684B (en) * | 2018-04-13 | 2019-06-04 | 湖北中道环保科技股份有限公司 | Rural garbage processing low temperature pyrogenation processing unit |
| CN108543803B (en) * | 2018-04-13 | 2020-03-31 | 浙江波普环境服务有限公司 | Distributed garbage low-temperature pyrolysis gas emission-free treatment device |
| CN110671706B (en) * | 2019-10-22 | 2021-12-10 | 江苏伟同如自动化设备有限公司 | Direct-current dust removal garbage incinerator |
| CN111550804A (en) * | 2020-05-14 | 2020-08-18 | 过蕊 | Garbage incineration device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57108514A (en) * | 1980-12-26 | 1982-07-06 | Toshio Oyamada | Incinerator |
| CN2092027U (en) * | 1991-01-28 | 1992-01-01 | 北京科技大学 | Verticle wastes cremation furnace using coal as fuel |
-
2005
- 2005-07-28 CN CNB200510021348XA patent/CN100357663C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57108514A (en) * | 1980-12-26 | 1982-07-06 | Toshio Oyamada | Incinerator |
| CN2092027U (en) * | 1991-01-28 | 1992-01-01 | 北京科技大学 | Verticle wastes cremation furnace using coal as fuel |
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