CN201281347Y - Large-capacity prepositive rotating grate furnace refuse burning and generating set - Google Patents
Large-capacity prepositive rotating grate furnace refuse burning and generating set Download PDFInfo
- Publication number
- CN201281347Y CN201281347Y CNU2008200553230U CN200820055323U CN201281347Y CN 201281347 Y CN201281347 Y CN 201281347Y CN U2008200553230 U CNU2008200553230 U CN U2008200553230U CN 200820055323 U CN200820055323 U CN 200820055323U CN 201281347 Y CN201281347 Y CN 201281347Y
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- furnace
- preposition rotary
- flue gas
- grate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
Abstract
Disclosed is a refuse incineration power generation device for a high-capacity front rotary grate furnace, which is directly applied in the refuse incineration treatment and power generation for small and medium-sized cities, and which is characterized in that the device mainly comprises equipment (system) such as a feeding hopper, a first-stage hydraulic pushing device, a front rotary kiln, a high temperature flue gas injector, a narrow grate corner tube boiler, a semi-dry cooling deacidification tower, a bag-type dust remover, a draft fan, a chimney and the like. The power generation device adapts to our national conditions and can achieve drying, pyrolysis and gasification of the refuse for incineration power generation cleanly, thoroughly and effectively under the conditions of complex refuse composition, low heat value and high moisture without manual sorting and crushing; meanwhile, the flue gas emission and ash and slag treatment can fully meet or exceed the relevant standard requirements on environmental protection, and the device is suitable for the popularization and application in the field of refuse incineration power generation in China.
Description
Technical field
The utility model relates to the preposition rotary furnace grate furnace of a kind of big capacity waste incineration and generating electricity device, and this device directly applies to small and medium-sized cities incineration treatment of garbage and electricity generation system.
Background technology
At present incineration treatment of garbage has become the main means that municipal refuse subtracts appearanceization, innoxious and resource.At home, incineration treatment of garbage mainly contains three kinds of modes: 1. grate furnace burns mode; 2. fluidized combustion mode; 3. gasification furnace burns mode.But domestic city house refuse ubiquity complicated component, the phenomenon that calorific value is low, moisture is high, more than three kinds of mode incineration treatment of garbage amounts and generated energy generally speaking (without refuse breaking, mend special process such as coal) all difficulty reach designing requirement.
The utility model content
The purpose of this utility model provides a kind of preposition rotary furnace bed garbage of big capacity TRT of suitable national conditions, under component of refuse complexity, calorific value is low, moisture is high situation, do not need manual sorting, fragmentation, can big capacity, cleaning, thoroughly, efficiently rubbish is carried out pyrolytic gasification and reach the purpose of burning electricity generation.
The preposition rotary furnace grate furnace of the big capacity of the utility model waste incineration and generating electricity device is achieved in that and comprises feed hopper, one-level hydraulic pressure pusher, preposition rotary kiln, high-temperature flue gas injector, narrow formula fire grate corner tube boiler, semidry method cooling extracting tower, sack cleaner and air-introduced machine and chimney that the rubbish in the rubbish storehouse is sent into preposition rotary kiln through feed hopper by pusher; The high-temperature flue gas injector connects preposition rotary kiln and narrow formula fire grate corner tube boiler, thereby the high-temperature flue gas injector can be the flue gas injection of narrow formula fire grate corner tube boiler to preposition rotary kiln; Extracting tower connects deduster and narrow formula fire grate corner tube boiler respectively, carries out desulfurization depickling and cooling thereby flue gas enters extracting tower from the smoke outlet flue of narrow formula fire grate corner tube boiler, and the flue gas that comes out from extracting tower enters into deduster and carries out dedusting; Air-introduced machine connects gas wash tower and chimney, and the flue gas by dedusting that comes out from gas wash tower is introduced chimney by air-introduced machine.
The preposition rotary furnace grate furnace of described big capacity waste incineration and generating electricity device, its further characteristics are that this narrow formula fire grate corner tube boiler adopts the corner tube type structure to form by narrow formula fire grate, dual firing chamber, fin panel casing, superheater, economizer and drum.
The preposition rotary furnace grate furnace of described big capacity waste incineration and generating electricity device, its further characteristics are, preposition rotary kiln is rotating at a slow speed furnace kiln body, the high-temperature flue gas injector connects preposition rotary kiln and narrow formula fire grate corner tube boiler respectively, so that the high-temperature flue gas in the narrow formula fire grate corner tube boiler is introduced in the preposition rotary kiln, preposition rotary kiln outlet is connected with narrow formula fire grate.
The preposition rotary furnace grate furnace of described big capacity waste incineration and generating electricity device, its further characteristics be, the after-combustion section of the preposition rotary kiln of the horizontally disposed one-tenth of narrow formula fire grate, and dual firing chamber is arranged vertically.
The preposition rotary furnace grate furnace of described big capacity waste incineration and generating electricity device, its further characteristics are that extracting tower is a semidry method cooling extracting tower.
The preposition rotary furnace grate furnace of described big capacity waste incineration and generating electricity device, its further characteristics are that deduster is a sack cleaner.
The preposition rotary furnace grate furnace of described big capacity waste incineration and generating electricity device, its further characteristics are that pusher is the hydraulic pressure pusher.
Rubbish under the effect of high-temperature flue gas injector, is introduced high-temperature flue gas about 1000 ℃ in the burner hearth in the preposition rotary kiln in pusher enters preposition rotary kiln, makes rubbish progressively finish drying, pyrolytic gasification and partially combusted process in preposition rotary kiln.Rubbish after the partial combustion burns away under secondary wind proportioning after entering the narrow fire grate of boiler, because sufficient combustion, the high-temperature flue gas of formation is generally more than 850 ℃, and the harmful poisonous substance of dioxin etc. this moment decomposes in the high-temperature region fully.High-temperature flue gas flows through dual firing chamber, superheater, economizer etc. successively, finish heat exchanging process cooling after, continue to enter equipment such as cooling extracting tower, sack cleaner from exhaust pass and carry out flue gas and handle, last cleaning flue gases after up to standard enters atmosphere from chimney.
The preposition rotary furnace grate furnace of the big capacity of the utility model waste incineration and generating electricity device compared with prior art has following characteristics:
1. rubbish wide adaptability, day disposal of refuse amount height.In traditional waste incineration and generating electricity mode, since the own characteristic of house refuse, the easy bite of grate furnace, and the blowing out maintenance capacity is big; The fragmentation of fluid bed furnace palpus garbage sorting expends lot of manpower and material resources; Gasification furnace is at present also under test, the preposition rotary furnace grate furnace of the big capacity of the utility model waste incineration and generating electricity device, and house refuse or industrial refuse can directly enter in the kiln without the fragmentation of manual sorting's level; According to designing requirement, but 150 ~ 400 tons of every preposition rotary furnace bed garbage of big capacity TRT disposal of refuse every day amounts.
2. adopt the high-temperature flue gas injector device, because refuse thermal value is low, moisture is high, rubbish is difficult to burning, after adopting the high-temperature flue gas injector device, high-temperature flue gas about 1000 ℃ in the burner hearth is introduced in the preposition rotary kiln, made rubbish in preposition rotary kiln, progressively finish drying, pyrolytic gasification and partially combusted process.General under the situation of burning domestic garbage, without afterburning, the kiln outlet temperature can reach about 1000 ℃.
3. boiler that adopts in the utility model and conventional boiler difference are: this boiler is made up of narrow formula fire grate, dual firing chamber, fin panel casing etc., adopt the corner tube type structure, boiler have a horizontally disposed narrow fire grate as the after-combustion section of preposition rotary kiln and have one be arranged vertically, dual firing chamber that flow process is long, the residue that kilneye falls can burn away on narrow fire grate, and dual firing chamber then can guarantee high temperature after-flames such as garbage flying ash.
Description of drawings
The utility model will be further described below in conjunction with drawings and Examples:
Fig. 1 is a waste incineration and generating electricity apparatus structure schematic diagram of the present utility model;
Fig. 2 is a waste incineration and generating electricity device fundamental diagram of the present utility model.
The specific embodiment
Fig. 1 has shown waste incineration and generating electricity device of the present utility model, and Fig. 2 has shown operation principle of the present utility model.At first with reference to Fig. 1, this waste incineration and generating electricity device comprises feed hopper 1, hydraulic pusher 2, preposition rotary kiln 4, high temperature injector 3, corner tube boiler, semidry method cooling extracting tower 13, sack cleaner 14, air-introduced machine 15 and chimney 16.Simultaneously with reference to Fig. 2, in this waste incineration and generating electricity device, rubbish in the rubbish storehouse is sent in the preposition rotary kiln 4 through feed hopper 1 by hydraulic pressure pusher 2, stir with preposition rotary kiln 4 stirrings, high temperature injector 3 arrives high-temperature flue gas injection about 1000 ℃ in the corner tube boiler stove hall in the preposition rotary kiln 4, under oxygen debt condition, rubbish is progressively finished drying, pyrolytic gasification and partially combusted process in preposition rotary kiln 4.The kiln exit of preposition rotary kiln 4 falls into the narrow formula fire grate of the corner tube boiler of after-combustion section based on the solid residue of carbon.
Corner tube boiler mainly is made up of narrow formula mobile grate 5, dual firing chamber 7, fin panel casing 8, superheater 9, economizer 10 and drum 11 etc.Corner tube boiler and conventional boiler difference be have a horizontally disposed narrow formula mobile grate 5 as the after-combustion section of preposition rotary kiln 4 and have one be arranged vertically, dual firing chamber 7 that flow process is long.Under the proportioning of an amount of hot-air, the residue that the kilneye of preposition rotary kiln 4 falls continues after-flame on fire grate 5.The combustible gas that pyrolytic gasification produces in preposition rotary kiln 4 kilns is under an amount of secondary wind 6 proportionings, in dual firing chamber 7 fully the high temperature after-flame and and by fin panel casing 8 heat exchanges, to produce superheated steam, secondary wind 6 decomposes the poisonous substances such as dioxin of formation fully in the high-temperature region of dual firing chamber 7 simultaneously.High-temperature flue gas through dual firing chamber 7 flows through superheater 9, economizer 10 successively, after finishing heat exchanging process and being cooled to about 180 ℃, enter semidry method extracting tower 13 from exhaust pass and carry out desulfurization depickling and cooling, about 140 ℃ flue gas enters sack cleaner 14 again and carries out dedusting, last cleaning flue gases is introduced chimney 16 through air-introduced machine 15, enters atmosphere from chimney.
Continuation is with reference to Fig. 2, and the superheated steam that corner tube boiler produces enters the steam turbine generator generating, and the lime-ash of discharging from boiler carries out the brickmaking comprehensive utilization, and flying dust then is cured handles the back landfill, has eliminated the secondary pollution after the waste incineration basically.
The preposition rotary furnace grate furnace of big capacity of the present utility model waste incineration and generating electricity device can reach the disposal ability of 900 tons of day disposal of refuse amounts, has solved house refuse complicated component, calorific value is low, moisture is high, nonflammable problem.When using waste incineration and generating electricity device of the present utility model to carry out waste incineration, no longer need to carry out operations such as refuse breaking, letter sorting, also do not need to add a large amount of fuel oils or coal, rubbish just can reach partially combusted purpose through processes such as super-dry, pyrolytic gasifications in kiln.Compare with traditional garbage combustion device simultaneously, a day disposal of refuse amount has also improved.The utility model is applicable to the burning disposal of various urban industry rubbish and house refuse.
Though the utility model discloses as above with preferred embodiment; yet it is not in order to limit the utility model; anyly be familiar with one of ordinary skill in the art; in not breaking away from spirit and scope of the present utility model; therefore should make the variation or the replacement of all equivalences, protection domain of the present utility model is as the criterion when looking accompanying the scope that the application's claim defined.
Claims (7)
1. the preposition rotary furnace grate furnace of big capacity waste incineration and generating electricity device, it is characterized in that: comprise feed hopper, pusher, preposition rotary kiln, high-temperature flue gas injector, narrow formula fire grate corner tube boiler, extracting tower, deduster and air-introduced machine and chimney, the rubbish in the rubbish storehouse is sent into preposition rotary kiln through feed hopper by pusher; The high-temperature flue gas injector connects preposition rotary kiln and narrow formula fire grate corner tube boiler, thereby the high-temperature flue gas injector can be the flue gas injection of narrow formula fire grate corner tube boiler to preposition rotary kiln; Extracting tower connects deduster and narrow formula fire grate corner tube boiler respectively, carries out desulfurization depickling and cooling thereby flue gas enters extracting tower from the smoke outlet flue of narrow formula fire grate corner tube boiler, and the flue gas that comes out from extracting tower enters into deduster and carries out dedusting; Air-introduced machine connects gas wash tower and chimney, and the flue gas by dedusting that comes out from gas wash tower is introduced chimney by air-introduced machine.
2. the preposition rotary furnace grate furnace of big capacity according to claim 1 waste incineration and generating electricity device is characterized in that, this narrow formula fire grate corner tube boiler adopts the corner tube type structure to form by narrow formula fire grate, dual firing chamber, fin panel casing, superheater, economizer and drum.
3. the preposition rotary furnace grate furnace of big capacity according to claim 2 waste incineration and generating electricity device, it is characterized in that: preposition rotary kiln is rotating at a slow speed furnace kiln body, preposition rotary kiln outlet is connected with narrow formula fire grate.
4. the preposition rotary furnace grate furnace of big capacity according to claim 2 waste incineration and generating electricity device is characterized in that: the after-combustion section of the preposition rotary kiln of the horizontally disposed one-tenth of narrow formula fire grate, and dual firing chamber is arranged vertically.
5. according to the preposition rotary furnace grate furnace of the described big capacity of claim 1 waste incineration and generating electricity device, it is characterized in that extracting tower is a semidry method cooling extracting tower.
6. according to the preposition rotary furnace grate furnace of the described big capacity of claim 1 waste incineration and generating electricity device, it is characterized in that deduster is a sack cleaner.
7. according to the preposition rotary furnace grate furnace of the described big capacity of claim 1 waste incineration and generating electricity device, it is characterized in that pusher is the hydraulic pressure pusher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200553230U CN201281347Y (en) | 2008-02-01 | 2008-02-01 | Large-capacity prepositive rotating grate furnace refuse burning and generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200553230U CN201281347Y (en) | 2008-02-01 | 2008-02-01 | Large-capacity prepositive rotating grate furnace refuse burning and generating set |
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| Publication Number | Publication Date |
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| CN201281347Y true CN201281347Y (en) | 2009-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200553230U Expired - Lifetime CN201281347Y (en) | 2008-02-01 | 2008-02-01 | Large-capacity prepositive rotating grate furnace refuse burning and generating set |
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| CN (1) | CN201281347Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968224A (en) * | 2010-07-22 | 2011-02-09 | 陈仲伟 | Household garbage vertical burning rotary grate furnace system |
| CN102168853A (en) * | 2011-04-22 | 2011-08-31 | 哈尔滨工业大学 | Three-dimensional hierarchical air supply combined waste incinerator |
| CN102607016A (en) * | 2012-03-26 | 2012-07-25 | 云南腾众新能源科技有限公司 | Boiler thermodynamic system and process by utilizing biomass particles as fuel and technology |
| CN102692022A (en) * | 2012-05-23 | 2012-09-26 | 张英华 | Waste incineration generating set with rotary kiln |
| CN103363531A (en) * | 2013-07-08 | 2013-10-23 | 上海灿州环境工程有限公司 | Whole-set hazardous waste incinerator device |
| CN103406011A (en) * | 2013-08-26 | 2013-11-27 | 环境保护部南京环境科学研究所 | Equipment for treating burning tail gas of pesticide package waste |
| WO2016074004A1 (en) * | 2014-11-06 | 2016-05-12 | Nguyen Gia Long | A generation system by gasification |
| CN110440265A (en) * | 2019-08-26 | 2019-11-12 | 同济大学 | A kind of trash burning furnace having hot-fluid tissue |
-
2008
- 2008-02-01 CN CNU2008200553230U patent/CN201281347Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968224A (en) * | 2010-07-22 | 2011-02-09 | 陈仲伟 | Household garbage vertical burning rotary grate furnace system |
| CN101968224B (en) * | 2010-07-22 | 2013-01-30 | 陈仲伟 | Household garbage vertical burning rotary grate furnace system |
| CN102168853A (en) * | 2011-04-22 | 2011-08-31 | 哈尔滨工业大学 | Three-dimensional hierarchical air supply combined waste incinerator |
| CN102168853B (en) * | 2011-04-22 | 2012-11-21 | 哈尔滨工业大学 | Three-dimensional hierarchical air supply combined waste incinerator |
| CN102607016B (en) * | 2012-03-26 | 2014-12-24 | 云南腾众新能源科技有限公司 | Boiler thermodynamic system and process by utilizing biomass particles as fuel and technology |
| CN102607016A (en) * | 2012-03-26 | 2012-07-25 | 云南腾众新能源科技有限公司 | Boiler thermodynamic system and process by utilizing biomass particles as fuel and technology |
| CN102692022A (en) * | 2012-05-23 | 2012-09-26 | 张英华 | Waste incineration generating set with rotary kiln |
| CN102692022B (en) * | 2012-05-23 | 2014-08-13 | 张英华 | Waste incineration generating set with rotary kiln |
| CN103363531A (en) * | 2013-07-08 | 2013-10-23 | 上海灿州环境工程有限公司 | Whole-set hazardous waste incinerator device |
| CN103363531B (en) * | 2013-07-08 | 2015-09-16 | 上海灿州环境工程有限公司 | A kind of dangerous waste incinerator complexes |
| CN103406011A (en) * | 2013-08-26 | 2013-11-27 | 环境保护部南京环境科学研究所 | Equipment for treating burning tail gas of pesticide package waste |
| WO2016074004A1 (en) * | 2014-11-06 | 2016-05-12 | Nguyen Gia Long | A generation system by gasification |
| CN110440265A (en) * | 2019-08-26 | 2019-11-12 | 同济大学 | A kind of trash burning furnace having hot-fluid tissue |
| CN110440265B (en) * | 2019-08-26 | 2021-07-23 | 同济大学 | Waste combustion furnace with heat flow structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090729 |
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| CX01 | Expiry of patent term |