CN207702472U - A kind of furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system - Google Patents

A kind of furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system Download PDF

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Publication number
CN207702472U
CN207702472U CN201721815115.1U CN201721815115U CN207702472U CN 207702472 U CN207702472 U CN 207702472U CN 201721815115 U CN201721815115 U CN 201721815115U CN 207702472 U CN207702472 U CN 207702472U
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pyrolysis
fluidized
bed combustion
combustion boiler
furnace
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CN201721815115.1U
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蔡兴飞
文岳雄
王立
魏焕鹏
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GUANGDONG TIANYUAN ENVIRONMENTAL TECHNOLOGY Co Ltd
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GUANGDONG TIANYUAN ENVIRONMENTAL TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a kind of furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system, it is characterised in that pyrolysis oven pyrolysis gas outlet pipeline is sequentially connected pyrolysis air purifying apparatus, pyrolysis gas wind turbine, then is connected with the pyrolysis air burner of fluidized-bed combustion boiler;Furnace slag discharge outlet is pyrolyzed by discharging spiral, batcher, then is connect with fluidized-bed combustion boiler;The high-temperature flue gas pipeline that flue after the fluidized-bed combustion boiler cyclone separator is drawn is connected with pyrolysis oven.The joint for realizing solid waste pyrolysis and fluidized-bed combustion boiler burning utilizes, solid waste is pyrolyzed the recycling that resource may be implemented, pyrolytic technique is with respect to power generation by waste combustion, the toxic heavy metal contaminations such as solid waste reducing significant effect, while can solve the problems, such as " bioxin " and mercury, lead, cadmium.Can large-scale industrial application in solid waste processing and boiler combustion.

Description

A kind of furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system
Technical field
The utility model is related to refuse treatment plant, more particularly to a kind of furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupling Collaboration is united.
Background technology
As process of modernization constantly accelerates, primary solid waste discharge capacity is growing day by day.Traditional solid waste Substance treating method causes serious soil and atmosphere pollution, it is difficult to adapt to the demand of sustainable development.Solid waste is that one kind can Regenerated resources, if it is possible to which effective resources integration can create huge economic benefit, and government department is also more next at present More pay attention to the recycling problem of solid waste resource.As urbanization process of industrialization is accelerated, at following China's solid waste The construction dynamics of reason facility will be significantly increased.
Pyrolysismethod is carried out to it under anaerobic or anoxia condition using the thermal instability of organic matter in solid waste Heating distillation makes organic matter generate cracking, various new gases, liquid and solid is formed after condensed, therefrom extract fuel oil, The process of combustible gas.Pyrolytic technique not will produce nuisance penetrating fluid polluted underground water with respect to landfill disposal technology, and initiation can't bear The consequence of imagination will not cause foul smell to overflow, the pests such as mosquitos and flies multiply;Opposite power generation by waste combustion, solid waste reducingization effect Fruit is notable, while can solve the problems, such as " bioxin " and the toxic heavy metal contaminations such as mercury, lead, cadmium.Being pyrolyzed the pyrolysis gas generated is A kind of fuel gas.Contain certain harmful substance from the pyrolysis gas generated in pyrolysis plant (pyrolysis oven), can burn Processing can utilize energy, obtain certain economic benefit, while converting harmful substance to the flue gas of complete oxidation in this way. The waste residue generated after pyrolysis typically contains heavy metal, but similar to biomass or other more clean wastes, it can be abundant Using its clean breeze, for burning, therefore the valuable energy of generation passes through furnace for heat dissociating solid wastes and fluid bed pot Stove couples, and while handling solid waste, after harmful substance is purified, carries out burned for energy utilization, can return The attention in the world is obtained in the development that the advantage for receiving clean energy resource will be afterwards, the useless solid processing method with good prospect.
Utility model content
Technical problem to be solved in the utility model is how to make full use of the useless fuel gas generated admittedly of pyrolysis, give up Slag realizes useless solid volume reduction, innoxious and recycling.
In order to solve the above-mentioned technical problem, the utility model devises furnace for heat dissociating solid wastes and is coupled with fluidized-bed combustion boiler System, including feeding equipment, pyrolysis oven 3, fluidized-bed combustion boiler 7 and cyclone separator 8, which is characterized in that feeding equipment and pyrolysis The entrance of stove 3 is connected, and is equipped with pyrolysis channel among the pyrolysis oven 3, and periphery is equipped with heat source passages, in the pyrolysis channel The heart be equipped with pyrolysis gas outlet, pyrolysis gas outlet pipeline be sequentially connected pyrolysis air purifying apparatus 4, pyrolysis gas booster fan 5, then with stream The pyrolysis air burner of fluidized bed boiler 7 is connected;The fluidized-bed combustion boiler 7 is drawn out to height by the flue after cyclone separator 9 Warm flue 8 is connected with the heat source passages of pyrolysis oven.
The furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system, it is characterised in that feeding equipment includes charging The outlet end bottom of storehouse 1 and feed auger 2, the pyrolysis oven 3 is exported equipped with deslagging, and deslagging outlet is passed through discharging spiral 11, given Material machine 10, then connect with fluidized-bed combustion boiler 7.
The furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system, it is characterised in that the arrival end of pyrolysis oven 3 Heat source passages be equipped with exhaust outlet, exhaust outlet rear end be equipped with exhaust fan.
The furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system, it is characterised in that the pyrolysis gas purification dress Set 4 can be dust-extraction unit, desulfurization deamination apparatus, dechlorination removing heavy-metal and or tar-removing device.
The furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system, it is characterised in that batcher 10 passes through transmission Component and discharging spiral 11 are direct-connected, or increase flour mill or 10 elder generation of batcher and one between batcher 10 and discharging spiral 11 A above material delivery system is that discharging spiral is connected after being connected.
The furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system, it is characterised in that pyrolysis oven outlet conduit with Exhaust fan 13 is connected, then is connected to exhaust gas purification system, and exhaust gas purification system can both be shared with boiler, or be separately provided.
Implement the utility model to have the advantages that:Realize solid waste pyrolysis and fluidized-bed combustion boiler burning Joint utilizes, and solid waste is pyrolyzed the recycling that resource may be implemented, and pyrolytic technique is with respect to power generation by waste combustion, solid waste Reduction is notable, while can solve the problems, such as " bioxin " and the toxic heavy metal contaminations such as mercury, lead, cadmium.It can extensive work Industry is applied to solid waste processing and boiler combustion.
Description of the drawings
Fig. 1 is furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system composition frame chart.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts The every other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 1 is furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system composition frame chart, furnace for heat dissociating solid wastes with Fluidized-bed combustion boiler coupled system, including feeding warehouse 1, feed auger 2, pyrolysis oven 3, pyrolysis air purifying apparatus 4, pyrolysis gas are pressurized wind Machine 5, pyrolysis feed channel 6, fluidized-bed combustion boiler 7, high-temperature flue gas pipeline 8, cyclone separator 9, discharging spiral 11, exhaust fan 13, Exhaust pipe 12, batcher 10.3 exit gas pipeline of pyrolysis oven is sequentially connected pyrolysis air purifying apparatus 4, pyrolysis gas wind turbine 5, then It is connected with the pyrolysis air burner of fluidized-bed combustion boiler 7;3 deslagging of pyrolysis oven is exported by discharging spiral 11, batcher 10, then with Fluidized-bed combustion boiler 7 connects;The high-temperature flue gas pipeline 8 and pyrolysis oven phase that flue after 7 cyclone separator 9 of fluidized-bed combustion boiler is drawn Even.
The pyrolysis air purifying apparatus 4 of 3 exit gas pipeline of pyrolysis oven connection be provided with dust-extraction unit, desulfurization dechlorination it is de- and Tar-removing device, gas is more clean after pyrolysis air purifying apparatus purification.
Batcher 10 is individually directly connected to discharging spiral 11, and the particle after charing meets the requirement of fluid bed.
Pyrolysis oven outlet conduit is connected with exhaust fan 13, then is connected to exhaust gas purification system, pyrolysis oven exhaust gas purification system It is shared with boiler.
Feeding warehouse 1 for store smash and be dry after solid waste, organic matter can be divided into natural in solid waste With two artificial synthesized classes.Natural has rubber, timber, paper, protein, starch, cellulose, straw, waste oil and sludge Deng.Artificial synthesized has plastics, synthetic rubber, synthetic fibers etc.;Feed auger 2 be used for by granular solid waste send to Pyrolysis oven.
Operation principle:Solid waste enters pyrolysis oven through feed auger 2 and is pyrolyzed after the inner smashing of feeding warehouse 1 and drying, The heat of pyrolysis is provided by the high-temperature flue gas that the flue after 7 cyclone separator 9 of fluidized-bed combustion boiler is drawn, and high-temperature flue gas is through high temperature cigarette Feed channel 8 enters pyrolysis oven, is sent to boiler exhaust gas purification system by exhaust fan 13, exhaust pipe 12 after providing heat.Heat The pyrolysis gas generated is solved to send to fluidized-bed combustion boiler through being pyrolyzed air purifying apparatus 4, pyrolysis gas booster fan 5, pyrolysis feed channel 6, and The breeze of generation is sent through discharge spiral 11, batcher 10 to fluidized-bed combustion boiler, and pyrolysis gas, which burns with breeze in fluidized-bed combustion boiler, to be produced Raw flue gas.
Disclosed above is only a kind of embodiment of the utility model, cannot limit the utility model with this certainly Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality The equivalent variations made by novel claim, still fall within the scope of the utility model.

Claims (6)

1. a kind of furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system, including feeding equipment, pyrolysis oven (3), fluid bed Boiler (7) and cyclone separator (9), which is characterized in that feeding equipment is connected with the entrance of pyrolysis oven (3), the pyrolysis oven (3) intermediate to be equipped with pyrolysis channel, periphery is equipped with heat source passages, and the center in the pyrolysis channel is equipped with pyrolysis gas outlet, pyrolysis gas Outlet conduit is sequentially connected pyrolysis air purifying apparatus (4), pyrolysis gas booster fan (5), then the pyrolysis gas with fluidized-bed combustion boiler (7) Burner is connected;The fluidized-bed combustion boiler (7) is drawn out to high-temperature flue gas pipeline (8) by the flue after cyclone separator (9) It is connected with the heat source passages of pyrolysis oven.
2. furnace for heat dissociating solid wastes according to claim 1 and fluidized-bed combustion boiler coupled system, it is characterised in that charging Device includes feeding warehouse (1) and feed auger (2), and the outlet end bottom of the pyrolysis oven (3) is exported equipped with deslagging, deslagging outlet It is connect by spiral (11), the batcher (10) of discharging, then with fluidized-bed combustion boiler (7).
3. furnace for heat dissociating solid wastes according to claim 1 and fluidized-bed combustion boiler coupled system, it is characterised in that pyrolysis The heat source passages of the arrival end of stove (3) are equipped with exhaust outlet, and exhaust outlet rear end is equipped with exhaust fan.
4. furnace for heat dissociating solid wastes according to claim 1 and fluidized-bed combustion boiler coupled system, it is characterised in that described It can be dust-extraction unit, desulfurization deamination apparatus, dechlorination removing heavy-metal and or tar-removing device to be pyrolyzed air purifying apparatus (4).
5. furnace for heat dissociating solid wastes according to claim 1 and fluidized-bed combustion boiler coupled system, it is characterised in that feed Machine (10) is direct-connected by transmission parts and discharging spiral (11), or increases powder processed between batcher (10) and discharging spiral (11) Machine or batcher (10) are that discharging spiral is connected after being first connected with more than one material delivery system.
6. furnace for heat dissociating solid wastes according to claim 1 and fluidized-bed combustion boiler coupled system, it is characterised in that pyrolysis Outlet of still pipeline is connected with exhaust fan (13), then is connected to exhaust gas purification system, and exhaust gas purification system can both be shared with boiler, Or it is separately provided.
CN201721815115.1U 2017-12-22 2017-12-22 A kind of furnace for heat dissociating solid wastes and fluidized-bed combustion boiler coupled system Active CN207702472U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108151024A (en) * 2017-12-22 2018-06-12 广东天源环境科技有限公司 A kind of solid waste substance treating method and processing system
CN109351754A (en) * 2018-10-29 2019-02-19 广东天源环境科技有限公司 A kind of method and solid waste treatment system of solid waste processing
CN110411181A (en) * 2019-08-07 2019-11-05 广西梧州华锋电子铝箔有限公司 Waste residue recyclable device and method
CN111457388A (en) * 2020-04-07 2020-07-28 西安交通大学 System and method for co-burning solid hazardous waste and reducing dioxin discharge of chain furnace

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108151024A (en) * 2017-12-22 2018-06-12 广东天源环境科技有限公司 A kind of solid waste substance treating method and processing system
CN109351754A (en) * 2018-10-29 2019-02-19 广东天源环境科技有限公司 A kind of method and solid waste treatment system of solid waste processing
CN110411181A (en) * 2019-08-07 2019-11-05 广西梧州华锋电子铝箔有限公司 Waste residue recyclable device and method
CN111457388A (en) * 2020-04-07 2020-07-28 西安交通大学 System and method for co-burning solid hazardous waste and reducing dioxin discharge of chain furnace
CN111457388B (en) * 2020-04-07 2022-02-18 西安交通大学 System and method for co-burning solid hazardous waste and reducing dioxin discharge of chain furnace

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