CN102980193A - Garbage incinerating exhaust gas using environment-friendly and energy-saving device - Google Patents
Garbage incinerating exhaust gas using environment-friendly and energy-saving device Download PDFInfo
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- CN102980193A CN102980193A CN2012100878426A CN201210087842A CN102980193A CN 102980193 A CN102980193 A CN 102980193A CN 2012100878426 A CN2012100878426 A CN 2012100878426A CN 201210087842 A CN201210087842 A CN 201210087842A CN 102980193 A CN102980193 A CN 102980193A
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- garbage
- incinerator
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- rubbish
- waste gas
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
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- Gasification And Melting Of Waste (AREA)
- Incineration Of Waste (AREA)
Abstract
A garbage incinerating exhaust gas using environment-friendly and energy-saving device comprises a garbage storage silo, a garbage breaker, a garbage feeder, a garbage incinerator, a decomposing furnace, a rotary cement kiln and a dioxin detector. The decomposing furnace, the rotary cement kiln and the dioxin detector are used for cement dry method production. The garbage feeder is communicated with a garbage inlet of the garbage incinerator. An exhaust port of the garbage incinerator is communicated with the decomposing furnace through pipelines. A material outlet of the decomposing furnace is communicated with a feeding port of the rotary cement kiln. The garbage incinerator and the rotary cement kiln are combined, high-temperature gas generated by garbage incineration is sent to the decomposing furnace and the rotary cement kiln, heat is provided for the decomposing furnace, meanwhile standing time of the self exhaust gas under a high-temperature condition in the decomposing furnace is over 4 seconds, combustion process is sufficient, incineration under the high-temperature condition is complete, and particularly the dioxin is prevented from being generated, and therefore pollution to environment is reduced, recycling of resources and sustainable development of economy are beneficial for being achieved, and an energy-saving and environment-friendly aim is achieved.
Description
Technical field
The invention belongs to the energy-conserving and environment-protective field, relate to technology of garbage disposal and technology of producing cement, especially reduce and contain the dioxin that produces in the waste incineration.
Background technology
At present China's domestic rubbish disposal mode mainly contains 3 kinds of sanitary landfills, compost and burnings, and land-fill method exists and takies and consume a large amount of land resources, oozes the shortcomings such as the pollution of drop liquid, landfill gas atmosphere pollution.The shortcoming such as composting mode exists that the efficiency of separation is low, the biodegradable content of organics of rubbish must be greater than 40%, fertilizer quality is poor.
Burning method has obtained increasingly extensive utilization as a kind of garbage disposal means of holding decrement that effectively subtract.Burning disposal is rubbish to be placed in the incinerator burn, and discharges heat energy, but waste heat recovery heat supply and generating.Discharge after the gas cleaning, a small amount of residual residue is discharged landfill or is made other purposes.The incineration treatment technology characteristics are that treating capacity is large, to subtract capacitive good, innoxious thoroughly, and heat energy recycle is arranged.Therefore, house refuse is carried out effective processing mode that burning disposal is innoxious, minimizing and resource, this technology of garbage disposal is mostly generally adopted in countries in the world.
Garbage incineration technology mainly contains three major types both at home and abroad: layer combustion technology, fluidized bed combustion and rotary kiln type combustion technology.
Utilizing RDF technical finesse house refuse is the another potential of cement rotary kiln, generally adopt in the developed country such as German, Japanese, adopt the means such as Domestic garbage crushing, screening, with the combustible separating treatment in the house refuse, fuel as the cement plant, lime-ash after the burning is carried out utilization as cement raw material, is a kind of effective processing mode without discharging so utilize cement rotary kiln to process house refuse.
Because waste incineration mode cost of investment is high at present, operating cost is high and traditional dioxin Check processing technology is high, investment is larger, so factory utilizes RDF technical finesse house refuse almost not have independent dioxin Check processing control device at present.This just causes in the atmosphere content of dioxin more and more higher, and according to statistics, the dioxin in the atmospheric environment 90% derives from city and industrial refuse and incineration.
Summary of the invention
In order to address the above problem, the invention provides a kind of waste gas generated by burning garbage of in cement kiln production, using and utilize energy-saving environmental protection device, its objective is garbage incineration technology, technology of producing cement, dioxin Check processing control technology are combined, take full advantage of high-temperature gas and lime-ash that garbage incineration technology produces, it is directly used in the production of New Style of Dry Cement Kiln, the generation of containment dioxin, the purpose of realization energy-conserving and environment-protective.
To achieve these goals, the technical solution used in the present invention is:
Incinerator exhaust gas utilization energy-saving environmental protection device provided by the present invention, comprise dore furnace, helicoid cement kiln, dioxin monitor in garbage storing feed bin, refuse grinder, garbage feeding device, incinerator and the cement produced with the dry method production, described garbage feeding device is communicated with the garbage inlet of incinerator, the exhaust outlet of described incinerator is communicated with described dore furnace by pipeline, and the material outlet of described dore furnace is communicated with described cement kiln charging aperture.
Described incinerator can be circulating fluidized bed incinerator, rotary kiln incineration stove or fire grate shape incinerator.
The bottom of described incinerator is provided with incombustible and discharges system, and the discharge device that described incombustible is discharged system is communicated with the storing place of cement slurry; Perhaps the described incombustible discharge device of discharging system is communicated with the mixing arrangement of cement products.
Described garbage storing feed bin is provided with the solid waste gas discharge pipe, described solid waste gas discharge pipe is communicated with described incinerator, and in described solid waste gas discharge pipe, being provided with pressure fan, the air supply direction of described pressure fan is to incinerator from the garbage storing feed bin.
Described incinerator is connected with coal powder supply device by the coal dust import.
The method of this device disposal of refuse is as follows:
The rubbish storing that refuse collector transports stores in the garbage storing feed bin;
After with refuse grinder rubbish being carried out fragmentation, rubbish is delivered to garbage feeding device, at the uniform velocity delivers to rubbish in the incinerator by the rubbish feedway;
Simultaneously, the gas that produces in the garbage storing feed bin under the driving of pressure fan, by the solid waste gas discharge pipe, is sent in the incinerator;
In the incinerator, feed the coal amount by control, make therein fully burning of rubbish, the high-temperature gas after the burning is sent to dore furnace by pipeline;
The above-mentioned gas that enters dore furnace, further fully burning in dore furnace, gas is wherein discharged after Heat Treatment or cogeneration and exhaust treatment system purification;
The bottom of discharging chimney at kiln tail gas is provided with a dioxin monitor,, monitors wherein dioxins concentration concentration, and in time feeds back to operating room from tail exhaust blower outlet sample gas by pipeline, makes whole system make correct parameter adjustment;
Simultaneously, the incombustible in the rubbish in the incinerator is settled down to the bottom gradually in stove, separates from rubbish, is discharged by incombustible discharge system, is incorporated in the cement slurry; Perhaps be incorporated in the cement products as composite material.
The present invention adopts technique scheme, waste incineration combines with cement rotary kiln, the gas that waste incineration produces is long in the lower time of staying of hot conditions of dore furnace, combustion process is abundant, burn under the high temperature thoroughly, avoided the generation of smell in the Refuse Incineration Process fully, particularly avoided the generation of dioxin, dioxin reached more than 4 seconds in decomposition 880 ℃-900 ℃ lower time of staying of condition of furnace high-temperature, made it abundant decomposition, again with high temperature, high fineness, high concentration, high adsorption, the cement alkaline material that high uniformity distributes fully contacts, be conducive to the absorbed nitrogen ion, the control nitrogenous source avoids the secondary of dioxin-like chemical to generate, and reduces the pollution to environment; Utilize cement technology to take full advantage of the heat energy that waste incineration produces, help to save energy and reduce the cost; Composition after the incombustible sorting after the burning can recycling, serves as the raw material of cement products, and it is thorough to subtract capacitive, and not only energy-conservation but also environmental protection has good economic benefit and social benefit.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of waste incineration part among the present invention;
Fig. 3 is manufacture of cement and cogeneration structural representation partly among the present invention.
Among the figure
1. garbage storing feed bin, 2. refuse grinder, 3. garbage feeding device, 4. refuse burner,
5. pressure fan, 6. incombustible is discharged system, 7. dore furnace, 8. cement kiln, 9. dioxin monitor
10. electric bicycle, 11. coal powder entrances, 12. expansion chambers, the 13.AQC boiler, 14. kiln hood electricity gather dust,
15. preheater, 16. conditioning Tower, 17. kiln tail electricity gather dust the 18.SP boiler.
The specific embodiment
Incinerator exhaust gas utilization energy-saving environmental protection device provided by the present invention, comprise dore furnace 7, helicoid cement kiln 8, dioxin detector 9 in garbage storing feed bin 1, refuse grinder 2, rubbish feedway 3, incinerator 4 and the cement produced with the dry method production, described rubbish feedway 3 is communicated with the garbage inlet of incinerator 4, the exhaust outlet of described incinerator 4 is communicated with described dore furnace 7 by pipeline, and the material outlet of described dore furnace 7 is communicated with described cement kiln 8 charging apertures.
Described incinerator 4 can be circulating fluidized bed incinerator, rotary kiln incineration stove or fire grate shape incinerator.
The bottom of described incinerator is provided with incombustible and discharges system 6, and the discharge device that described incombustible is discharged system 6 is communicated with the storing place of cement slurry.
Described garbage storing feed bin 1 is provided with the solid waste gas discharge pipe, described solid waste gas discharge pipe is communicated with described incinerator 4, and in described solid waste gas discharge pipe, being provided with pressure fan 5, the air supply direction of described pressure fan 5 is from garbage storing feed bin 1 to incinerator 4.
Described incinerator 4 is connected with coal powder supply device by coal dust import 11.
The pre-thermal decomposition of New Style of Dry Cement Kiln firing technology and exhaust-gas treatment part mainly is comprised of following components: 5 grades of novel cyclone preheaters 15, the outer predecomposition furnace 7 of kiln, exhaust treatment system, spray-type humidifier 14 systems, warm-up power generation system (kiln hood AQC boiler 13, kiln tail SP boiler 18), dust pelletizing system (the kiln hood electricity gathers dust 14, kiln tail electricity gather dust 17).
The method of this device disposal of refuse is as follows:
The rubbish storing that refuse collector transports is in the 1 interior storage of garbage storing feed bin, with electric bicycle 10 stir, homogenizing;
Carry out fragmentation with 2 pairs of rubbish of refuse grinder, with driving 10 it is stirred, after the homogenizing, rubbish is delivered to garbage feeding device 3 again, by garbage feeding device 3 rubbish is at the uniform velocity delivered in the incinerator 4;
Simultaneously, the gas of garbage storing feed bin 1 interior generation under the driving of pressure fan 5, by the solid waste gas discharge pipe, is sent in the incinerator 4;
Garbage storing feed bin 1 and processing factory building adopt all-sealed structure, and with pressure fan 5 incinerator 4 internal combustion are sent in the foul smell extraction that produces in the dump pit, make garbage storing feed bin 1 be in negative pressure state, have avoided the diffusion of rubbish stench.
In the incinerator 4, feed the coal amount by control, make therein fully burning of rubbish, the high-temperature gas after the burning is sent to dore furnace 7 by pipeline;
By the increase and decrease of automatic control hello coal amount, make the Outlet Gas Temperature of incinerator 4 stable, controlled, do not affect the normal production of follow-up cement line.
The above-mentioned gas that enters dore furnace 7, in dore furnace 7 interior further fully burnings, gas is wherein discharged after Heat Treatment or cogeneration and exhaust treatment system purification;
The bottom of discharging chimney at kiln tail gas is provided with a dioxin monitor 9,, monitors wherein dioxins concentration concentration, and in time feeds back to operating room from tail exhaust blower outlet sample gas by pipeline, makes whole system make correct parameter adjustment;
Simultaneously, the incombustible in the rubbish in the incinerator 4 is settled down to the bottom gradually in stove, separates from rubbish, discharges system 6 by incombustible and discharges, and after being processed by sorting system, is incorporated in the cement slurry, perhaps is incorporated in the cement products as composite material.
Waste incineration combines with cement rotary kiln, the gas that waste incineration produces is long in the lower time of staying of hot conditions of dore furnace, combustion process is abundant, burn under the high temperature thoroughly, avoided the generation of smell in the Refuse Incineration Process fully, particularly avoided the generation of dioxin, dioxin is more than 4 seconds decomposing 880 ℃-900 ℃ lower time of staying of condition of furnace high-temperature, make it abundant decomposition, again with high temperature, high fineness, high concentration, high adsorption, the cement alkaline material that high uniformity distributes fully contacts, and is conducive to the absorbed nitrogen ion, the control nitrogenous source, avoid the secondary of dioxin-like chemical to generate, reduce the pollution to environment.
The combination of garbage incineration technology and cement rotary kiln is introduced dore furnace to the high-temp waste gas that waste incineration produces, and to waste incineration, the exhaust treatment system of cement line has substituted the tail gas clean-up processing section of waste incineration, the investment of having saved this part; To cement kiln, the high-temperature gas of waste incineration is injected into dore furnace, has reduced the consumption of coal dust, so the present invention is the perfect adaptation of the two, is the processing mode of a kind of " doulbe-sides' victory ", is conducive to realize recycling and the economic sustainable development of resource.
Claims (6)
1. a waste gas generated by burning garbage utilizes environment protecting power economizer, comprise garbage storing feed bin (1), refuse grinder (2), garbage feeding device (3), dore furnace (7) during incinerator (4) and cement produced with the dry method are produced, helicoid cement kiln (8), dioxin monitor (9), it is characterized in that: described garbage feeding device (3) is communicated with the garbage inlet of incinerator (4), the exhaust outlet of described incinerator (4) is communicated with described dore furnace (7) by pipeline, and the material outlet of described dore furnace (7) is communicated with described cement kiln (8) charging aperture.
2. waste gas generated by burning garbage according to claim 1 utilizes environment protecting power economizer, it is characterized in that: described dioxin monitor (9) is located at the bottom that kiln tail gas is discharged chimney, from tail exhaust blower outlet sample gas, monitor wherein dioxins concentration concentration by pipeline.
3. waste gas generated by burning garbage according to claim 1 utilizes environment protecting power economizer, it is characterized in that: the bottom of described incinerator (4) is provided with incombustible and discharges system (6), and the discharge device that described incombustible is discharged system (6) is communicated with the storing place of cement slurry; Perhaps the discharge device of described incombustible discharge system (6) is communicated with the mixing arrangement of cement products.
4. waste gas generated by burning garbage according to claim 1 utilizes environment protecting power economizer, it is characterized in that: described garbage storing feed bin (1) is provided with the solid waste gas discharge pipe, described solid waste gas discharge pipe is communicated with described incinerator (4), and in described solid waste gas discharge pipe, being provided with pressure fan (5), the air supply direction of described pressure fan (5) is to incinerator (4) from garbage storing feed bin (1).
5. waste gas generated by burning garbage according to claim 1 utilizes environment protecting power economizer, it is characterized in that: described incinerator (4) is connected with coal powder supply device by coal dust import (11).
According to claim 1 and 2 or 3 or 4 or 5 described waste gas generated by burning garbage utilize environment protecting power economizer, it is characterized in that this device processing procedure is: the rubbish storing that refuse collector transports stores in garbage storing feed bin (1), with electric bicycle (10) stir, homogenizing; With refuse grinder (2) rubbish is carried out fragmentation, with driving (10) it is stirred, after the homogenizing, rubbish is delivered to garbage feeding device (3) again, by garbage feeding device (3) rubbish is at the uniform velocity delivered in the incinerator (4); Simultaneously, the gas that produces in the garbage storing feed bin (1) under the driving of pressure fan (5), by the solid waste gas discharge pipe, is sent in the incinerator (4); In the incinerator (4), feed the coal amount by control, make therein fully burning of rubbish, the high-temperature gas after the burning is sent to dore furnace (7) by pipeline; The above-mentioned gas that enters dore furnace (7), further fully burning in dore furnace (7), gas is wherein discharged after Heat Treatment or cogeneration and exhaust treatment system purification; The bottom of discharging chimney at kiln tail gas is provided with a dioxin monitor (9),, monitors wherein dioxins concentration concentration, and in time feeds back to operating room from tail exhaust blower outlet sample gas by pipeline, makes whole system make correct parameter adjustment; Simultaneously, the incombustible in the rubbish in the incinerator (4) is settled down to the bottom gradually in stove, separate from rubbish, discharging system (6) by incombustible discharges, after the sorting system processing, be incorporated in the cement slurry, perhaps be incorporated in the cement products as composite material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100878426A CN102980193A (en) | 2012-03-29 | 2012-03-29 | Garbage incinerating exhaust gas using environment-friendly and energy-saving device |
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| CN2012100878426A CN102980193A (en) | 2012-03-29 | 2012-03-29 | Garbage incinerating exhaust gas using environment-friendly and energy-saving device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697478A (en) * | 2014-01-14 | 2014-04-02 | 中信重工机械股份有限公司 | Continuous feeding device and process of cement kiln cooperation urban garbage system |
| CN103712217A (en) * | 2013-12-31 | 2014-04-09 | 天津市润彤磬科技发展有限公司 | Urban garbage purifying utilizing system and garbage processing method |
| CN105438837A (en) * | 2015-12-29 | 2016-03-30 | 杨元恺 | Medical waste pneumatic conveying system |
| CN105889939A (en) * | 2016-06-06 | 2016-08-24 | 百色瑞成科技有限责任公司 | Garbage incinerator |
| CN105972608A (en) * | 2016-06-06 | 2016-09-28 | 百色瑞成科技有限责任公司 | Waste incinerator |
| CN106881336A (en) * | 2017-04-14 | 2017-06-23 | 重庆秋松环保科技有限公司 | Refuse disposal system |
| CN106989398A (en) * | 2017-04-14 | 2017-07-28 | 重庆秋松环保科技有限公司 | Waste disposal method |
| CN109253455A (en) * | 2017-07-12 | 2019-01-22 | 上海明华电力技术工程有限公司 | A kind of house refuse feeding system |
| CN109681888A (en) * | 2019-02-02 | 2019-04-26 | 上海多灵环保工程设备有限公司 | A kind of garbage incinerator body with four wind |
| CN113446608A (en) * | 2021-07-02 | 2021-09-28 | 苏州中材建设有限公司 | Dry cement preheating decomposition system |
-
2012
- 2012-03-29 CN CN2012100878426A patent/CN102980193A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712217B (en) * | 2013-12-31 | 2017-01-18 | 天津市润彤磬科技发展有限公司 | Urban garbage purifying utilizing system and garbage processing method |
| CN103712217A (en) * | 2013-12-31 | 2014-04-09 | 天津市润彤磬科技发展有限公司 | Urban garbage purifying utilizing system and garbage processing method |
| CN103697478A (en) * | 2014-01-14 | 2014-04-02 | 中信重工机械股份有限公司 | Continuous feeding device and process of cement kiln cooperation urban garbage system |
| CN105438837A (en) * | 2015-12-29 | 2016-03-30 | 杨元恺 | Medical waste pneumatic conveying system |
| CN105438837B (en) * | 2015-12-29 | 2017-09-26 | 杨元恺 | A kind of medical waste air-transport system |
| CN105889939B (en) * | 2016-06-06 | 2018-09-21 | 百色瑞成科技有限责任公司 | A kind of waste incinerator |
| CN105972608A (en) * | 2016-06-06 | 2016-09-28 | 百色瑞成科技有限责任公司 | Waste incinerator |
| CN105889939A (en) * | 2016-06-06 | 2016-08-24 | 百色瑞成科技有限责任公司 | Garbage incinerator |
| CN106881336A (en) * | 2017-04-14 | 2017-06-23 | 重庆秋松环保科技有限公司 | Refuse disposal system |
| CN106989398A (en) * | 2017-04-14 | 2017-07-28 | 重庆秋松环保科技有限公司 | Waste disposal method |
| CN109253455A (en) * | 2017-07-12 | 2019-01-22 | 上海明华电力技术工程有限公司 | A kind of house refuse feeding system |
| CN109681888A (en) * | 2019-02-02 | 2019-04-26 | 上海多灵环保工程设备有限公司 | A kind of garbage incinerator body with four wind |
| CN113446608A (en) * | 2021-07-02 | 2021-09-28 | 苏州中材建设有限公司 | Dry cement preheating decomposition system |
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Application publication date: 20130320 |