CN204051428U - A kind of waste incineration dry method fly ash re-injection system - Google Patents
A kind of waste incineration dry method fly ash re-injection system Download PDFInfo
- Publication number
- CN204051428U CN204051428U CN201420575120.XU CN201420575120U CN204051428U CN 204051428 U CN204051428 U CN 204051428U CN 201420575120 U CN201420575120 U CN 201420575120U CN 204051428 U CN204051428 U CN 204051428U
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- connecting pipe
- air outlet
- drag conveyor
- desulfurizing tower
- outlet
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Abstract
The utility model provides a kind of waste incineration dry method fly ash re-injection system, and the air inlet of desulfurizing tower is connected with the air outlet of incinerator by exhaust piping.Outlet on the tower body of desulfurizing tower is connected with the air inlet of sack cleaner by connecting pipe.The air outlet of desulfurizing tower is connected with the charging aperture of drag conveyor by connecting pipe.The air outlet of sack cleaner is connected with the charging aperture of drag conveyor by connecting pipe.Drag conveyor is all connected by the import of pipeline with flying dust warehouse top with the discharging opening of drag conveyor.Outlet bottom flying dust warehouse is connected with the charging aperture of cradle feeder by connecting pipe.The discharging opening of cradle feeder is connected with the import of injector by pipeline.The air inlet of injector is connected with the air outlet of roots blower by pipeline.The air outlet of injector connects one end of connecting pipe, in the other end access exhaust piping of connecting pipe.
Description
Technical field
The utility model relates to field of Environment Protection, specifically waste incineration is produced to the process of flying dust.
Background technology
Up to now, 80% of human consumption's energy is obtained by burning approach, and the emission of combustion process is also the main cause causing environmental pollution.While utilizing the solid waste energy, reduce the impact caused environment as much as possible, the development of various desulfurization and dedusting, waste gas purification and flying dust control technology is very active.
Comparatively serious industry is polluted in waste incineration, and its flying dust output is large, and in desulfurizing tower, the sour gas in the desulfurizing agent sprayed into and flue gas reacts, and the salt of generation and unreacted completely desulfurizing agent together enter flying dust gathering system; In sack cleaner, the flying dust of more than 99% and desulfurizing agent are trapped further, enter flying dust gathering system.If not to unreacted in flying dust completely desulfurizing agent recycle, then can cause and consume too much desulfurizing agent, operation cost is high, flying dust output is higher, fails to realize sustainable economic development.
Flying dust is directly collected rear packing and is sent to landfill yard landfill or is temporary in the storehouse of on-site by current a lot of garbage burning factory, not yet in effectly utilize unreacted desulfurizing agent in flying dust, not only increase flying dust output, waste landfill or temporary land resource, and make the operation cost of desulphurization system higher.
Summary of the invention
The purpose of this utility model solves desulfurizing agent to be difficult to circulation and stress, wastes serious problem.
The technical scheme adopted for realizing the utility model object is such, a kind of waste incineration dry method fly ash re-injection system, is characterized in that: comprise desulfurizing tower, sack cleaner, drag conveyor I, drag conveyor II, flying dust warehouse, cradle feeder, injector and roots blower.
The top of described desulfurizing tower has air inlet, bottom has air outlet.The tower body of described desulfurizing tower also has an outlet.The air inlet of described desulfurizing tower is connected with the air outlet of incinerator by exhaust piping.Outlet on the tower body of described desulfurizing tower is connected with the air inlet of sack cleaner by connecting pipe I.
The air outlet of described desulfurizing tower is connected with the charging aperture of drag conveyor I by connecting pipe III.The air outlet of described sack cleaner is connected with the charging aperture of drag conveyor II by connecting pipe IV.
Described drag conveyor I is all connected by the import of pipeline with flying dust warehouse top with the discharging opening of drag conveyor II.Outlet bottom described flying dust warehouse is connected with the charging aperture of cradle feeder by connecting pipe V.
The discharging opening of described cradle feeder is connected with the import of injector by pipeline.
The air inlet of described injector is connected with the air outlet of roots blower by pipeline.The air outlet of described injector connects one end of connecting pipe II, in the other end access exhaust piping of described connecting pipe II.
Further, state in connecting pipe III and hand operated gate valve I, Double-deck cinder discharge valve I and expansion joint I are installed.
Described connecting pipe IV is provided with hand operated gate valve II, Double-deck cinder discharge valve II and expansion joint II.
Further, described connecting pipe V is provided with hand operated gate valve III.
What deserves to be explained is, the program can effectively to unreacted in flying dust completely desulfurizing agent carry out dry method recycling, it is significant.Show after deliberation, a certain proportion of flying dust can take out by such scheme from collection storage ash system, pass through Geldart-D particle, flying dust is sprayed in the flue before desulfurizing tower, through the flow rotation distributional effects of desulfurizing tower, in ash, unreacted desulfurizing agent will carry out secondary response, thus can reduce the design calcium sulfur ratio of desulphurization system, while reduction desulfurizing agent use amount, reduce flying dust total output.
Technique effect of the present utility model is mathematical.The program combines waste gas cleaning system, flying dust gathering system, while flue gas desulfurization and dedusting, carries out dry method fly ash reinjection, decreases the consumption of desulfurizing agent, decreases the total output of incineration of refuse flyash simultaneously.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model.
In figure: exhaust piping 1, desulfurizing tower 2, sack cleaner 3, connecting pipe I 23, hand operated gate valve I 4, Double-deck cinder discharge valve I 5, expansion joint I 6, drag conveyor I 7, connecting pipe III 27, hand operated gate valve II 40, Double-deck cinder discharge valve II 50, expansion joint II 60, drag conveyor II 8, connecting pipe IV 38, flying dust warehouse 9, hand operated gate valve III 10, connecting pipe V 109, cradle feeder 11, connecting pipe II 112, injector 12, roots blower 13.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail, but should not be construed the above-mentioned subject area of the utility model and be only limitted to following embodiment.When not departing from the above-mentioned technological thought of the utility model, according to ordinary skill knowledge and customary means, making various replacement and change, all should be included in protection domain of the present utility model.
A kind of waste incineration dry method fly ash re-injection system, comprises desulfurizing tower 2, sack cleaner 3, drag conveyor I 7, drag conveyor II 8, flying dust warehouse 9, cradle feeder 11, injector 12 and roots blower 13.
Described desulfurizing tower 2 top has air inlet, bottom has air outlet.Described desulfurizing tower 2 is existing equipment, and its internal load has desulfurizing agent.The tower body of described desulfurizing tower 2 also has an outlet, in embodiment this outlet be positioned at below desulfurizing agent, the top of air outlet, to ensure that the wind of going out from this outlet has been through desulfurizing agent.The air inlet of described desulfurizing tower 2 is connected with the air outlet of incinerator by exhaust piping 1.Desulphurization reaction is there is after the air-out of incinerator enters desulfurizing tower 2.Outlet on the tower body of described desulfurizing tower 2 is connected by the air inlet of connecting pipe I 23 with sack cleaner 3.Further, the direction along wind flow in described connecting pipe III 27 is provided with hand operated gate valve I 4, Double-deck cinder discharge valve I 5 and expansion joint I 6 successively.
The air outlet of described desulfurizing tower 2 is connected with the charging aperture of drag conveyor I 7 by connecting pipe III 27.The air outlet of described sack cleaner 3 is connected with the charging aperture of drag conveyor II 8 by connecting pipe IV 38.Further, the direction along wind flow in described connecting pipe IV 38 is provided with hand operated gate valve II 40, Double-deck cinder discharge valve II 50 and expansion joint II 60 successively.Preferably, by the alternately opening and closing of Double-deck cinder discharge valve valve plate, can reduce the inleakage of desulfurizing tower and sack cleaner, drag conveyor and each discharge valve all design insulation, ensure that flying dust does not separate out moisture.
Described drag conveyor I 7 is all connected by the import of pipeline with flying dust warehouse 9 top with the discharging opening of drag conveyor II 8.Outlet bottom described flying dust warehouse 9 is connected by the charging aperture of connecting pipe V 109 with cradle feeder 11.Described grey warehouse 9 be one has import, hollow container that lower end has outlet.Preferably, described connecting pipe V 109 is provided with hand operated gate valve III 10.
The discharging opening of described cradle feeder 11 is connected by the import of pipeline with injector 12.Meanwhile, treated waste gas overflows discharge from the discharging opening of cradle feeder 11.Further, cradle feeder 11 has frequency control and weighing system, can control the total amount of fly ash reinjection.
The air inlet of described injector 12 is connected by the air outlet of pipeline with roots blower 13.Described injector is the existing equipment that can realize the conveying of efficient gas-particle two-phase.The air outlet of described injector 12 connects one end of connecting pipe II 112, in the other end access exhaust piping 1 of described connecting pipe II 112.In embodiment, described exhaust piping 1 is connected in series tee pipe fitting, and described connecting pipe II 112 accesses in the branch of tee pipe fitting, makes the gas in connecting pipe II 112 reenter in exhaust piping 1, to realize recirculation.
Claims (3)
1. a waste incineration dry method fly ash re-injection system, is characterized in that: comprise desulfurizing tower (2), sack cleaner (3), drag conveyor I (7), drag conveyor II (8), flying dust warehouse (9), cradle feeder (11), injector (12) and roots blower (13);
Described desulfurizing tower (2) top has air inlet, bottom has air outlet; The tower body of described desulfurizing tower (2) also has an outlet; The air inlet of described desulfurizing tower (2) is connected with the air outlet of incinerator by exhaust piping (1); Outlet on the tower body of described desulfurizing tower (2) is connected by the air inlet of connecting pipe I (23) with sack cleaner (3);
The air outlet of described desulfurizing tower (2) is connected with the charging aperture of drag conveyor I (7) by connecting pipe III (27); The air outlet of described sack cleaner (3) is connected with the charging aperture of drag conveyor II (8) by connecting pipe IV (38);
Described drag conveyor I (7) is all connected by the import of pipeline with flying dust warehouse (9) top with the discharging opening of drag conveyor II (8); The outlet of described flying dust warehouse (9) bottom is connected by the charging aperture of connecting pipe V (109) with cradle feeder (11);
The discharging opening of described cradle feeder (11) is connected by the import of pipeline with injector (12);
The air inlet of described injector (12) is connected by the air outlet of pipeline with roots blower (13); The air outlet of described injector (12) connects one end of connecting pipe II (112), in other end access exhaust piping (1) of described connecting pipe II (112).
2. a kind of waste incineration dry method fly ash re-injection system according to claim 1, is characterized in that: described connecting pipe III (27) is provided with hand operated gate valve I (4), Double-deck cinder discharge valve I (5) and expansion joint I (6);
Described connecting pipe IV (38) is provided with hand operated gate valve II (40), Double-deck cinder discharge valve II (50) and expansion joint II (60).
3. a kind of waste incineration dry method fly ash re-injection system according to claim 1, is characterized in that: described connecting pipe V (109) is provided with hand operated gate valve III (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575120.XU CN204051428U (en) | 2014-09-30 | 2014-09-30 | A kind of waste incineration dry method fly ash re-injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575120.XU CN204051428U (en) | 2014-09-30 | 2014-09-30 | A kind of waste incineration dry method fly ash re-injection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204051428U true CN204051428U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420575120.XU Expired - Fee Related CN204051428U (en) | 2014-09-30 | 2014-09-30 | A kind of waste incineration dry method fly ash re-injection system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273825A (en) * | 2017-12-29 | 2018-07-13 | 天津壹鸣环境科技股份有限公司 | Recycling method of household garbage incineration fly ash |
| CN108686495A (en) * | 2018-06-21 | 2018-10-23 | 佛山赛因迪环保科技有限公司 | A kind of smoke processing system for ceramic industry |
| CN111871163A (en) * | 2020-07-31 | 2020-11-03 | 深圳中科环保产业发展有限公司 | Dangerous and useless information tracking system |
| CN113952830A (en) * | 2021-11-16 | 2022-01-21 | 佛山赛因迪环保科技有限公司 | Calcium-based moving bed full-dry type desulfurization and dust removal method and device |
| CN116511222A (en) * | 2023-05-26 | 2023-08-01 | 重庆三峰环境集团股份有限公司 | Fly ash activation and reuse method and system |
-
2014
- 2014-09-30 CN CN201420575120.XU patent/CN204051428U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273825A (en) * | 2017-12-29 | 2018-07-13 | 天津壹鸣环境科技股份有限公司 | Recycling method of household garbage incineration fly ash |
| CN108686495A (en) * | 2018-06-21 | 2018-10-23 | 佛山赛因迪环保科技有限公司 | A kind of smoke processing system for ceramic industry |
| CN111871163A (en) * | 2020-07-31 | 2020-11-03 | 深圳中科环保产业发展有限公司 | Dangerous and useless information tracking system |
| CN113952830A (en) * | 2021-11-16 | 2022-01-21 | 佛山赛因迪环保科技有限公司 | Calcium-based moving bed full-dry type desulfurization and dust removal method and device |
| CN113952830B (en) * | 2021-11-16 | 2023-12-22 | 佛山赛因迪环保科技有限公司 | Full-dry desulfurization and dust removal method and device for calcium-based moving bed |
| CN116511222A (en) * | 2023-05-26 | 2023-08-01 | 重庆三峰环境集团股份有限公司 | Fly ash activation and reuse method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20150930 |
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| EXPY | Termination of patent right or utility model |