CN202561765U - Solid waste incinerator free of flue gas discharging - Google Patents

Solid waste incinerator free of flue gas discharging Download PDF

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Publication number
CN202561765U
CN202561765U CN2012202101643U CN201220210164U CN202561765U CN 202561765 U CN202561765 U CN 202561765U CN 2012202101643 U CN2012202101643 U CN 2012202101643U CN 201220210164 U CN201220210164 U CN 201220210164U CN 202561765 U CN202561765 U CN 202561765U
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incinerator
solid waste
burner hearth
smokeless
furnace
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袁永扬
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袁永扬
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

Provided is a solid waste incinerator free of flue gas discharging. A hearth of the solid waste incinerator is of a vertical structure and is provided with a drying area, a pyrolysis area and a burning area from top to bottom in sequence. A group of fiery pits are arranged on an inner side of the hearth, an outer side, a left side and a right side of the burning area are respectively provided with a group of spray guns. An outer side of an upper portion of the hearth is provided with a block-shaped compression solid waste manufacturing and outputting device, the top of the hearth is provided with a boiler hearth and a draught fan, and a side wall of the boiler hearth is provided with a group of spray guns. The output end of the draught fan is connected with a heat exchanger, a desulfuration device, a purification device, a CO2 separation device and an air mix device in sequence, and oxygen-enrichment air outputted by the air mix device is communicated with four groups of the spray guns. The solid waste incinerator free of the flue gas discharging is small in volume but large in solid waste processing capacity, rapid in burning speed, good in effect, capable of processing various solid wastes simultaneously, energy-saving and environmental-friendly, and achieves discharge free of fuel gas discharged into the outside and does not cause secondary pollution.

Description

The solid waste incineration stove of smokeless
Technical field
The utility model relates to solid waste incineration stove technical field, particularly a kind of solid waste incineration stove of smokeless.
Background technology
Solid waste comprises: town pavement sweeping rubbish, domestic garbage, food garbage, medical waste, processing of farm products discarded object, ight soil, waste or used plastics, tire, organic sludge and danger wastes such as leather-making mud, electroplating sludge, printing and dyeing sludge etc.The incinerator of conventional garbage burning electricity generation factory generally carries out burn processing to rubbish in 800~900 ℃ of scopes, the incinerator of garbage incinerating power plant is impossible burning disposal medical waste or mud the like waste, more can not the burning disposal danger wastes.Incinerator for medical garbage generally requires furnace temperature to reach 1200 ℃, and existing incinerator for medical garbage need add a large amount of fuel auxiliary combustions, and operating cost is high, handles so also can not be used for consumer waste incineration.For the high Litters such as mud of water content, existing also do not have the special furnace set burning disposal, generally all is landfill disposal after the employing mummification.Can not use same body of heater burning disposal to house refuse, medical waste, organic sludge and danger wastes in the existing incinerator, must go to handle respectively with special-purpose incinerator.And these special-purpose incinerators only are the few partial heat energies that has utilized combustion process, a large amount of fume emissions are arranged in burning process certainly and cause secondary pollution.
At present, be used for the incinerator that solid waste handles and mainly contain mechanical kiln grate furnace, fluidized bed incinerator, swinging incinerator, static pyrogenation incinerator, small-sized oil and gas stove etc.Generally be divided into three sections in its burner hearth of mechanical kiln grate furnace the most commonly used, i.e. dryer section, burning zone and burning segment.Fluid bed is mainly by being used to keep coal body flow air dispersal device, incombustible discharger, incombustible screening and coal body EGR etc. to form.Rotary kiln is the cylinder interior at steel; Install refractory liner additional and porose steel plate is welded into tubular; With the solid waste direction of transfer is the axle center, is the equipment of small angle inclination rotation, its outer two groups of ring-type steel wheel rims and several roller sliding bearing of being with; Cylinder is rotated slowly, and solid waste is stirred and is fed forward.All there is following weak point in these incinerators: the ignition temperature in (1), burner hearth internal combustion district is in 800-900 ℃ of scopes, and ignition temperature is low, and combustion efficiency is poor, can produce pernicious gases such as a large amount of dioxin; (2), can a large amount of flue gases of discharging in combustion process (the pernicious gas dioxin that produces like nitrogen oxide, carbon dioxide, sulfur dioxide and because of imperfect combustion etc.) cause secondary pollution; (3), combustion process adds auxiliary fuel (like coal, diesel oil etc.) and causes the burning cost up, and consumes mass energy, causes the wasting of resources; (4), because the combustion adjuvant that in combustion process, uses of rubbish is an air, and airborne nitrogen is not participate in combustion reaction, and it absorbs great amount of heat again, heat energy loss is big, the thermal efficiency is low thereby cause.In a word, these furnace body complex structures, combustion space are greatly, the bubbling air amount is big, smoke discharge amount is big, dust is many, heat energy loss is big, neither energy-conservation also not environmental protection.
Flue gas in the existing solid waste incineration stove all be through smoke stack emission in atmosphere.Owing to flue gas is handled and reasons such as operating cost height or smoke processing system maintenance disappearance; Cause a large amount of flue gases to contain poisonous pernicious gas (as: sulfur dioxide, carbon monoxide, nitrogen oxide, dioxin etc.) and fly ash emission; Surrounding air, water source and soil are caused severe contamination, and these flue gases discharge the entail dangers to existent environment of people for a long time.
Owing to there is a large amount of flue gases constantly to discharge, the heat of solid waste incineration can be pulled away a part along with fume emission descends furnace temperature in the existing solid waste incineration stove; And,, need garbage drying in advance so be difficult to burning because solid waste contains washiness and calorific value is low, and this just needs a large amount of hot-airs, and the heat in the burner hearth has been consumed a part again, makes furnace temperature decline; Simultaneously, because the combustion space of incinerator is big, burner hearth inner surface area of dissipation is big, radiating rate is fast and heat dissipation capacity is big, and the heat energy in the burner hearth is consumed a part again, and furnace temperature is descended, and causes the thermal efficiency of whole incinerator low.
The combustion adjuvant of participating in the combustion oxidation reaction in the existing solid waste incineration stove all is to adopt airborne oxygen; Because the composition of solid waste is comparatively complicated, its calorific value difference is big, causes furnace temperature unstable; When the calorific value of incinerated matter hangs down; It is stable to keep furnace temperature generally can to add exotic fuels such as diesel oil or coal, consumes the part energy so again, and the plastics under the oxidant condition is arranged in the solid waste burn when insufficient; Can produce a large amount of toxic and harmfuls such as dioxin, cause serious environmental to pollute.The air capacity that need strengthen usually in the entering burner hearth of burning fully of solid waste is held mobility to increase; Let and in burner hearth, form fluidized state between air and the solid waste; But so can cause flying dust amount increase in the flue gas, make the increase of gas cleaning intractability and cause processing cost to increase.
Summary of the invention
The purpose of the utility model is to provide a kind of solid waste incineration stove of smokeless, handles under the identical situation of solid waste quantity in the unit interval and compares with the conventional garbage incinerator, and its combustion space is little; The flying dust that burning velocity is fast, combustion efficiency good, combustion process produces reduces significantly; And big to the solid waste treating capacity, ability is the miscellaneous solid waste of burning disposal simultaneously, energy-conserving and environment-protective; And realize the outside boundary discharging of no flue gas, can not cause secondary pollution yet.
The technical solution that the utility model proposed is such:
A kind of solid waste incineration stove of smokeless comprises the incinerator body of heater, and said incinerator burner hearth is a vertical structure; Be provided with dry section, pyrolysis zone and combustion zone from top to bottom successively; The bottom, combustion zone is provided with ash hole, and incinerator burner hearth inboard is provided with one group of fiery pit, and the outside of the combustion zone of incinerator burner hearth and left and right side are respectively equipped with one group of spray gun; The incinerator upper furnace outside is provided with manufacturing of block compression solid discarded object and output device; The incinerator roof of the furnace is provided with boiler furnace, and the left and right side of this boiler furnace is provided with one group of spray gun, and the boiler furnace top is provided with air-introduced machine; This air-introduced machine output is connected with in turn and is positioned at incinerator body of heater outer heat exchanger, desulfurizer, purifier, carbon dioxide separation device; The flue gas that said block compression solid discarded object produces in combustion zone burning is through air-introduced machine upwards flow through pyrolysis zone, dry section, boiler furnace, and reduces to normal temperature at heat exchanger, in the desulfurizer desulfurization; Remove at purifier anhydrate, dust, Determination of Trace Sulfur; Isolate carbon dioxide and residue flue gas at the carbon dioxide separation device, said carbon dioxide is processed dry ice, is mixed into three groups of spray guns and the one group of spray gun of boiler furnace that oxygen rich gas is transported to the combustion zone of said incinerator burner hearth with pure oxygen in the said residue flue gas input gas mixer.
The dry section of incinerator burner hearth and the axis of pyrolysis zone and horizontal plane angle are α=40 °-50 ° of angles, and the axis of combustion zone is vertical with horizontal plane.The one group of fiery pit that is parallel to each other and vertically arranges that the inboard was provided with of the dry section of said incinerator burner hearth, pyrolysis zone, combustion zone; Angle β=40 of its fiery pit face and horizontal plane °-50 ° of angles, at the bottom of the said fiery pit with angle Υ=55 °-65 ° of angles of horizontal plane.Manufacturing of said block compression solid discarded object and output device by disintegrating machine, mix and stir mixer, compacting shape machine and high temperature resistant band conveyor and form; House refuse, medical waste are mixed and stirred mixer through the crusher in crushing input; Mud class rubbish and calcium sulfate, calcium carbonate, ashes drop into by a certain percentage and mix and stir mixer; The input compacting shape machine is pressed into block compression solid discarded object after mixing and stirring mixing, in high temperature resistant band conveyor input incinerator burner hearth.
Between boiler furnace bottom and incinerator roof of the furnace, be provided with multilayer refractory ceramics filter core.Ash hole is provided with barrier in the bottom, combustion zone.
Compared with prior art, the utlity model has following beneficial effect:
(1), because adopting from flue gas, to reclaim CO2 and remain flue gas, the incinerator of the utility model melts down cyclic utilization method; Make the solid waste incineration process realize smokeless; A large amount of flue gases efflux and the harm that causes secondary pollution makes the incinerator emission reduction effect remarkable especially thereby avoid in the solid waste incineration process producing.
(2), because the utility model incinerator has adopted method is melted down in burning and flue gas recirculation after solid waste fragmentation and the compression forming; Make the incinerator combustion space can reduce 3 times; The generation of burning process flue gas can reduce 4 times, thereby has effectively reduced the thermal losses of burner hearth inner surface and the thermal losses of being taken away by fume emission, and the loss of burning process fume afterheat is less; Fume afterheat can repeatedly be utilized; The thermal efficiency of incinerator is increased substantially, bring up to more than 70% from 47%, its energy-saving effect is remarkable.The weight by volume ratio of the solid waste of existing incinerator is generally 0.3~0.6 Dun ∕ m3; Combustion-supporting gas is an air; Actual air volume is generally 10m3 ∕ ten thousand kcal; And the weight by volume of the solid waste of the incinerator of the utility model ratio reaches 0.9~1.8 Dun ∕ m3, and combustion-supporting gas is an oxygen rich gas, and actual air volume is generally 2,/m3 ten thousand kcal.Simultaneously, the inner of the boiler chamber temperature is increased to about 1200 ℃ and (promotes 400-500 ℃ than existing furnace temperature).Owing to use oxygen rich gas combustion-supporting, reduce in the air by 80% nitrogen and participate in burning, thereby the carbon dioxide content in the flue gas that after second-time burning, produces improves 3-4 doubly, to 90% of flue gas, and the carbon dioxide recovery in the flue gas become dry ice.
(3), because the utility model incinerator has adopted fiery pit, about 45 degree slope blanking method, block compression solid discarded object is to utilize under its deadweight and the slope of fiery pit face to be slipped to burner hearth bottom in the burner hearth.Simultaneously; Owing to when making block compression solid discarded object, adopted interpolation calcium sulfate, calcium carbonate, ashes powder etc. to mix the imitation frosted glass method; Lime-ash becomes loose honeycomb after it burns; By the deadweight of top block compression solid discarded object the lime-ash crushing is fallen in the ashcan below the ash hole, thereby, the danger that the recurrent sintering of existing shaft kiln caves in reduced widely.This incinerator can also burn dissimilar solid waste such as mud, house refuse, medical waste and danger wastes etc. simultaneously, and the applicability of incinerator is very extensive.
(4), because the utility model incinerator has adopted behind the anaerobic pyrolysis combustion method again; Ignition temperature is up to 1200 ℃, solid waste in stove after super-dry, pyrolysis high-temp combustion again, the solid waste pyrolytic process is under oxygen deficient atmospheres, to carry out; Thereby destroyed the formation condition of dioxin; Avoided the generation of dioxin, solved in the solid waste incineration process difficult problem that produces dioxin harm, made the incinerator effect of preventing and remedying pollution remarkable.
(5), since the utility model incinerator adopted and be compressed into blocks of solid discarded object and burner hearth madial wall and be provided with row's ventilation fiery pit; Burner hearth is vertical structure again; The compression solid discarded object can be burnt by concentrate firepower point in burner hearth, and such structure reduces the flying dust that combustion space is little, burning velocity fast, the solid waste treating capacity is big, combustion efficiency good, combustion process produces significantly.
(6) incinerator owing to the utility model has adopted after fire box is with the fixed carbon burning of solid waste at the organic carbon through boiler furnace combustion and pyrolysis flue gas.On fire box's barrier, guarantee the abundant completing combustion of the fixed carbon of solid waste; In boiler furnace, must feed a certain amount of oxygen rich gas and participate in the organic carbon in the combustion and pyrolysis flue gas; Guarantee to get into the flue gas fully completing combustion once more in the boiler furnace; Make all fully completing combustion of fixed carbon and organic carbon, thereby make the combustion efficiency of whole incinerator remarkable.
Description of drawings
Fig. 1 is the structural representation of solid waste incineration stove of a kind of smokeless of an embodiment of the utility model.
Fig. 2 is the A-A generalized section of Fig. 1.
Fig. 3 is the B-B generalized section of Fig. 1.
Fig. 4 is provided in a side of the outer flue gas flow direction system architecture sketch map of incinerator shown in Figure 1.
Shown in the figure: 1, disintegrating machine; 2, mix and stir mixer; 3, compacting shape machine; 4, block compression solid discarded object; 5, high temperature resistant tubular type conveyer; 6, incinerator body of heater; 7, fiery pit; 7-1, fiery pit face; At the bottom of 7-2, the fiery pit; 8, combustion zone; 9, ash hole; 10, spray gun; 11, pyrolysis zone; 12, dry section; 13, incinerator burner hearth; 14, refractory ceramics filter core; 15, boiler furnace; 16, air-introduced machine; 17, heat exchanger; 18, desulfurizer; 19, purifier; 20, carbon dioxide separation device; 21, gas mixer; 22, barrier.
The specific embodiment
Through following embodiment the utility model is done further to set forth in detail.
Referring to Fig. 1-shown in Figure 4, a kind of solid waste incineration stove of smokeless by incinerator burner hearth 13, the disintegrating machine 1 of incinerator body of heater 6, vertical structure, mix and stir mixer 2, compacting shape machine 3, high temperature resistant band conveyor 5, boiler furnace 15, air-introduced machine 16, heat exchanger 17, desulfurizer 18, purifier 19, carbon dioxide separation device 20, gas mixer 21 and form.Incinerator burner hearth 13 is provided with dry section 12, pyrolysis zone 11 and combustion zone 8 from top to bottom successively, and 8 bottoms, combustion zone are provided with ash hole 9, and this ash hole 9 is provided with barrier 22.The cross section of this incinerator burner hearth 13 is square; Inboard in the dry section 12 of incinerator burner hearth 13, pyrolysis zone 11, combustion zone 8 is provided with one group of heated kang that is parallel to each other and vertically arranges 7; Angle β=40 of heated kang face 7-1 and horizontal plane °-50 ° of angles, angle Υ=55 of 7-2 and horizontal plane °-65 ° of angles at the bottom of the heated kang.The outside, left side and right side in the combustion zone 8 of incinerator burner hearth 13 are respectively equipped with one group of spray gun 10.The outside portion on incinerator burner hearth 13 tops is provided with manufacturing of block compression solid discarded object and output device; This device by disintegrating machine 1, mix and stir mixer 2, compacting shape machine 3 and high temperature resistant band conveyor 5 and form; House refuse, food garbage, medical waste etc. are mixed and stirred mixer 2 through disintegrating machine 1 broken input; Mud class rubbish with mix imitation frosted glass calcium sulfate, calcium carbonate, ashes and import by a certain percentage and mix and stir mixer 2; Input compacting shape machine 3 is pressed into block compression solid discarded object 4 after mixing and stirring mixing, in high temperature resistant band conveyor 5 input incinerator burner hearths 13.Incinerator burner hearth 13 tops are provided with boiler furnace 15, are provided with refractory ceramics filter core 14 between this boiler furnace 15 and the incinerator burner hearth 13.The dry section 12 of incinerator burner hearth 13 and the axis of pyrolysis zone 11 and the angle of horizontal plane are α=40 °-50 ° of angles, and the axis of combustion zone 8 is vertical with horizontal plane.Be provided with air-introduced machine 16 at boiler furnace 15 tops; Air-introduced machine 16 outputs are connected with in turn and are positioned at incinerator body of heater 6 outer heat exchanger 17, desulfurizer 18, purifier 19, carbon dioxide separation device 20, and block compression solid discarded object 4 flue gas that 8 burnings produce in the combustion zone is through air-introduced machine 16 upwards flow through pyrolysis zone 11, dry section 12, boiler furnace 15 and export heat exchanger 17, desulfurizer 18, purifier 19, carbon dioxide separation device 20 and the gas mixer 21 outside the body of heater to.Desulfurizing agent calcium carbonate is added 18 pairs of flue gases of desulfurizer carry out desulfurization; Obtain calcium sulfate and superfluous calcium carbonate; Desulfurizer 18 output carbonateds reach 90% flue gas input purifier 21, in purification process, the moisture content in the flue gas, dust and Determination of Trace Sulfur removed, and then input carbon dioxide separation device 20; Isolate carbon dioxide and residue flue gas; Wherein dry ice is processed in carbon dioxide output, and residue flue gas input gas mixer 21 is mixed into oxygen rich gas with pure oxygen, transports to three groups of spray guns 10 and 10 burnings of one group of spray gun of boiler furnace of the combustion zone 8 of said incinerator burner hearth.3 ∕ about 4 of oxygen rich gas total amount are consumed in combustion zone 8, and boiler furnace 15 consumes 1 ∕ about 4 of oxygen rich gas total amount.
Be provided with some storage warehouses outside the solid waste incineration body of heater 6 of this smokeless and store house refuse, medical waste, mud class rubbish, calcium sulfate, calcium carbonate, ashes respectively; After importing disintegrating machine 1 fragmentation by a certain percentage respectively and mixing and stirring mixer 2 mixing; Process block compression solid discarded object 4 at compacting shape machine 3; In high temperature resistant band conveyor 5 input incinerator burner hearths 13, flow to combustion zone 8 from dry section 12, pyrolysis zone 11, the high temperature that carries out 1200 ℃ through the 10 pairs of block compression solid discarded objects 4 of three groups of spray guns that are located at 8 outsides, combustion zone, left side, right side fully burns; The flue gas that produces mainly flows to incinerator burner hearth 13 tops through fiery pit 7; The width in fiery pit 7 can not get in the fiery pit 7 it less than the width of block compression solid discarded object 4, to guarantee that exhaust gases passes is unimpeded.Sufficient heat exchange is also constantly carried out in the 4 one-tenth reverse flows of block compression solid discarded object that flow downward in the flue gas that rises and the incinerator burner hearth 13; Block compression solid discarded object 4 in dry section 12 receives flue gas heating to make its drying, and the temperature of dry section 12 is about about 200 ℃, and dried block compression solid discarded object 4 gets into pyrolysis zone 11; Receive the flue gas heating of higher temperature in pyrolysis zone 11; Make its pyrolysis, the temperature of pyrolysis zone 11 is about 800 ℃, and dry section 12 is anoxic zones with pyrolysis zone 11; Block compression solid discarded object 4 is under anaerobic condition, to carry out in dry section 12 dryings with in pyrolysis zone 11 pyrolysis; The generation condition that does not have dioxin, thereby, the generation of dioxin effectively prevented.Because evenly being mixed with calcium sulfate, calcium carbonate, ashes etc. in the block compression solid discarded object 4 mixes imitation frosted glass and after reaching 800 ℃ of left and right sides temperature after super-dry, the pyrolysis, just gets into combustion zone 8; So in furnace temperature reaches 1200 ℃ combustion zone 8, can fully burn and sinter the honeycomb block into; Continued to get into block compression solid discarded object 4 pressures of combustion zone 8 and loose into ashes; And from ash hole 9 discharges, the flying dust that is produced simultaneously is fewer.Between boiler furnace 15 bottoms and incinerator burner hearth 13 tops, multilayer refractory ceramics filter core 14 is housed, basic elimination flying dust.
This incinerator product is fully used, and carbon dioxide is processed dry ice, and nitrogen oxide is processed combustion-supporting or sterilizing gas; An ashes part is processed building materials, and another part is mixed the imitation frosted glass Recycling, the Boiler Steam generating; Reach smokeless, non-secondary pollution, the remarkable result of energy-conserving and environment-protective.

Claims (6)

1. the solid waste incineration stove of a smokeless; Comprise the incinerator body of heater, it is characterized in that: said incinerator burner hearth is a vertical structure, is provided with dry section, pyrolysis zone and combustion zone from top to bottom successively; The bottom, combustion zone is provided with ash hole; Incinerator burner hearth inboard is provided with one group of fiery pit, and the outside of the combustion zone of incinerator burner hearth and left and right side are respectively equipped with one group of spray gun, and the incinerator upper furnace outside is provided with manufacturing of block compression solid discarded object and output device; The incinerator roof of the furnace is provided with boiler furnace; The left and right side of this boiler furnace is provided with one group of spray gun, and the boiler furnace top is provided with air-introduced machine, and this air-introduced machine output is connected with in turn and is positioned at incinerator body of heater outer heat exchanger, desulfurizer, purifier, carbon dioxide separation device.
2. the solid waste incineration stove of smokeless according to claim 1, it is characterized in that: the angle of the dry section of incinerator burner hearth and the axis of pyrolysis zone and horizontal plane is α=40 °-50 ° of angles, and the axis of combustion zone is vertical with horizontal plane.
3. the solid waste incineration stove of smokeless according to claim 1; It is characterized in that: the one group of fiery pit that is parallel to each other and vertically arranges that the inboard was provided with of the dry section of said incinerator burner hearth, pyrolysis zone, combustion zone; Angle β=40 of its fiery pit face and horizontal plane °-50 ° of angles, at the bottom of the said fiery pit with angle Υ=55 °-65 ° of angles of horizontal plane.
4. the solid waste incineration stove of smokeless according to claim 1 is characterized in that: manufacturing of said block compression solid discarded object and output device by disintegrating machine, mix and stir mixer, compacting shape machine and high temperature resistant band conveyor and form.
5. the solid waste incineration stove of smokeless according to claim 1 is characterized in that: be provided with multilayer refractory ceramics filter core between said boiler furnace bottom and the incinerator roof of the furnace.
6. the solid waste incineration stove of smokeless according to claim 1 is characterized in that: bottom, said combustion zone ash hole is provided with barrier.
CN2012202101643U 2012-05-11 2012-05-11 Solid waste incinerator free of flue gas discharging Active CN202561765U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103438460A (en) * 2013-09-24 2013-12-11 李先强 Garbage disposal system
CN110280116A (en) * 2019-06-27 2019-09-27 广州市康妆化妆品有限公司 A kind of system and process flow handling industrial waste gas

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103438460A (en) * 2013-09-24 2013-12-11 李先强 Garbage disposal system
CN110280116A (en) * 2019-06-27 2019-09-27 广州市康妆化妆品有限公司 A kind of system and process flow handling industrial waste gas

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