CN202719614U - Cement clinker production line co-processing garbage system - Google Patents
Cement clinker production line co-processing garbage system Download PDFInfo
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- CN202719614U CN202719614U CN2012203262680U CN201220326268U CN202719614U CN 202719614 U CN202719614 U CN 202719614U CN 2012203262680 U CN2012203262680 U CN 2012203262680U CN 201220326268 U CN201220326268 U CN 201220326268U CN 202719614 U CN202719614 U CN 202719614U
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- Prior art keywords
- air supply
- garbage
- incinerator
- pipeline
- oxygen enrichment
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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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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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
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
Abstract
The utility model relates to a cement clinker production line co-processing garbage system which comprises a garage incinerator (1), a flue gas pipeline (2), a decomposing furnace (3), a tertiary air pipe (4), a rotary kiln (5), a grate cooler (6), a hot air pipeline (7), an air supply pipeline (8) and an oxygen enrichment system (9). The oxygen enrichment system is arranged on the air supply pipeline of the garbage incinerator, and an oxygen enrichment pipeline valve (10) is arranged between the air supply pipeline and the oxygen enrichment system. A hot air pipeline valve (11) is arranged between the hot air pipeline and the air supply pipeline. The garbage oxygen-enriched combustion processing system can effectively solve the problem of low efficiency in the process of the garbage co-processing of a cement clinker production line, not only guarantees the exhaust gas temperature of a garbage incineration device to be more than 850 DEG C, and completely destroys dioxin and other toxic substances, but also guarantees the requirement of combustion air of a cement burning system, achieves a real sense of conservation of mining fuel resources and garbage processing with the concept of harmlessness, volume reduction, recycling and environment protection.
Description
Technical field
The utility model relates to a kind of refuse disposal system, relates in particular to a kind of system that uses the method disposal of refuse of oxygen-enriched combusting, and handled rubbish can be municipal refuse or industrial refuse.
Background technology
Municipal refuse and industrial refuse source is complicated, forms also very complicatedly, wherein is no lack of a large amount of poisonous and harmful substances.Multiple way was once adopted in processing to rubbish, such as feeding, bacterial digestion, water ballast method, the microwave treatment method of landfill method, composting process, heat treating process, worm method, rubbish or classification is reclaimed, comprehensive utilization etc.Heat treating process be process the most thorough, a kind of processing method that the decrement ratio is the highest, main use is burning method at present, it also is the waste disposal method that generally adopt present countries in the world, have that treating capacity is large, to subtract capacitive good and the characteristics of energy recovery are arranged, mainly contain layer combustion technology (incinerator burning etc.), fluidized bed combustion (gasification furnace burning etc.), rotary combustion technology (rotary kiln incineration etc.).The incinerator incineration technology is fit to the rubbish that moisture is higher, calorific value is low, burn away the refuse comparatively thorough, but processing procedure need to combustion-supporting, easily produce dioxin; The fluidized bed type incineration technology has the characteristics such as the low moisture high rubbish of high, the suitable calorific value of calorific intensity, stable, simple structure, but has to enter the shortcomings such as stove rubbish dimensional requirement is high, subsequent treatment is complicated, investment is high; The characteristics such as that technology using rotary kiln has is stable, sealing is tight need the shortcomings such as auxiliary fuel, subsequent treatment complexity but exist.The problems such as these technology have application at refuse-burning plant and cement clinker production line cooperative disposal process, but all exist efficiency of combustion low, need postcombustion, and the actual growing amount of dioxin is larger.
In cement clinker production line cooperative disposal rubbish process, incinerator exists and clinker production line all needs sufficient oxygen to be used for combustion process, and the problem of hot-air is fought in the two existence; When refuse moisture is high, when calorific value hanged down, the ignition temperature in the garbage incinerating system and flue-gas temperature were difficult to improve, and did not address these problems, and just were difficult to guarantee the efficient operation of garbage incinerating system.And oxygen-enriched combusting can significantly be saved combustion air, improves combustion flame temperature and efficiency of combustion, and then reduces the generation of the toxicants such as dioxin.
The utility model content
Provide a kind of more efficient cement clinker production line cooperative disposal garbage system for above problem the utility model.
Provide a kind of cement clinker production line cooperative disposal garbage system in order to overcome the above problems the utility model, comprise incinerator, flue, dore furnace, tertiary-air pipe, rotary kiln, grate-cooler, hot air duct, air supply line, it is characterized in that: also comprise oxygen enrichment system, oxygen enrichment system is arranged on the air supply line of incinerator, and between air supply line and oxygen enrichment pipeline, be provided with the oxygen enrichment pipeline valve, between hot air duct and air supply line, be provided with the hot air duct valve.
Between air supply line and incinerator, be provided with gas analyzer.
Between air supply line and incinerator, be provided with air-introduced machine.
Be provided with exhaust piping at air supply line, between exhaust piping and air supply line, be provided with the exhaust piping valve.
Beneficial effect:
The utility model reduces incinerator combustion air consumption, reduces discharge amount of exhaust gas.
The utility model improves the waste incineration temperature, reduces harmful substance and generates.
The utility model improves the waste incineration exhaust gas temperature, reduces fume emission, reduces waste incineration to the impact of clinker production system.
The residue that produces after the utility model waste incineration can directly enter rotary system, participating in grog under the high temperature firing temperature forms, harmful heavy metal in the residue is solid-solubilized in the grog, is fired at last clinker, thoroughly eliminate the Heavy Metal Pollution in the rubbish.
The utility model system waste gas circulation is utilized, and a part of heat energy is utilized again, and system thermal efficiency improves.
Description of drawings
Fig. 1 is system flow chart of the present utility model;
Fig. 2 is that hot blast of the present utility model is from the system flow chart that returns system's chimney;
Fig. 3 is the system flow chart that oxygen rich gas of the present utility model passes into from the grate-cooler bottom.
The specific embodiment
The utility model will be further described below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3,
Cement clinker production line cooperative disposal garbage systemComprise incinerator 1, flue 2, (cement clinker production line) dore furnace 3, tertiary-air pipe 4, rotary kiln 5, grate-cooler 6, hot air duct 7, air supply line 8, also comprise oxygen enrichment system 9, oxygen enrichment system 9 is arranged on the air supply line 8 of incinerator, and between air supply line 8 and oxygen enrichment system 9, be provided with oxygen enrichment pipeline valve 10, be provided with hot air duct valve 11 between hot air duct 7 and air supply line 8, the degree of system's oxygen enrichment is regulated by oxygen enrichment pipeline valve 10 and hot air duct valve 11.
As the further improvement of native system, between air supply line 8 and incinerator 1, gas analyzer 12 can also be set, the gas oxygen content that enters incinerator 1 is detected by gas analyzer 12, with valve 10 and valve 11 controls.
As the further improvement of native system, between air supply line 8 and incinerator 1, air-introduced machine 14 can also be set, air-introduced machine 14 can blast mist incinerator 1.
Further improvement as native system can also arrange exhaust piping 15 on air supply line 8, between exhaust piping 15 and air supply line 8 exhaust piping valve 13 is set.
The workflow of this cement clinker production line cooperative disposal garbage system is:
To be fed into incinerator 1 through the rubbish (domestic waste or industrial refuse) of pre-treatment; Mist (provide contain oxygen hot gas and mix with oxygen rich gas from oxygen enrichment system from the hot blast branch that the cement clinker production line firing system comes) offers incinerator 1 by air supply line 8, for the waste incineration of incinerator 1 provides burning hot gas; And regulate oxygen rich gas oxygen content and flow by the valve 10 of oxygen enrichment pipeline and the valve 11 of hot air duct;
Rubbish is through incinerator 1 drying, burning, after-flame, ignition temperature is high 100 ~ 150 ℃ without the incinerator of oxygen enrichment technology, combustion product gases burns away by 3 li of the dore furnaces that flue 2 enters cement clinker production line, 3 li of dore furnaces organic matter is thoroughly decomposed, then the flue gas purification system that carries through cement clinker production line is processed, and the rubbish residue after the burning directly enters the rotary kiln 5 of cement clinker production line or enters the stockyard.
This refuse disposal system is on the basis of cement clinker production line, utilize oxygen-enriched combustion technology, can be more up hill and dale with waste incineration, decomposition than general treatment system, utilize the efficient of rubbish self calorific value higher, more thorough to clearing up of noxious material, in disposal of refuse, do not affect the normal operation of cement clinker production line.
Described oxygen rich gas, its oxygen content is preferably 21% to 100%, and concrete content is adjusted according to the Actual combustion situation of incinerator.
Described oxygen rich gas can pass into from grate-cooler 6 bottoms, through behind the grog layer of grate-cooler 6, contains oxygen hot gas from grate-cooler 6 anterior high temperature section extractions again, offer air supply line 8 by oxygen enrichment system 9, resupply incinerator 1, extract the oxygen content of hot blast and control by valve 10, see Fig. 3.
Described air supply line 8 is provided with gas analyzer 12, and described mist detects mixed gas composition by gas analyzer 12, blasts oxygen content and the temperature of the mist of incinerator 1 with control.
Sneak in the hot air duct from the oxygen rich gas of oxygen enrichment system, this hot air duct contain oxygen hot gas from the tertiary air of firing system, provide by tertiary-air pipe, see Fig. 1, Fig. 2.Tertiary air is the hot-air of air and the supply kiln tail fuel combustion of grog after the grate-cooler heat exchange, and oxygen content is 21%, and after adding oxygen rich gas, the mist oxygen content further improves, and temperature raises, and is beneficial to the burning of rubbish in the incinerator.
Described air supply line can be by the chimney extraction waste gas of exhaust piping 15 from the waste treatment system, the exhausted air quantity that 13 controls of exhaust piping valve are extracted, the waste gas that extracts mixes, adds part from the hot gas of firing system again with the oxygen rich gas of oxygen enrichment system 9, after mixing, three strands of gases together enter incinerator 1, when playing the oxygen-enriched combusting effect, reach again the flue gas recirculation utilization, reduce the purpose of toxic emission when saving heat energy.
The utility model is on the technology of burning away the refuse and new dry cement production technology basis of maturation, utilize oxygen-enriched combustion technology, fully excavate the features of three kinds of technology, it is best that the efficient that makes incinerator and clinker produce each system all reaches, make garbage disposal more thorough, pollutant, noxious material discharge more thorough, are more preferably refuse disposal systems of a kind of more general technology of garbage disposal.
The above is preferred embodiment of the present utility model only, is not restricted to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the claim scope of the present utility model.
Claims (4)
1. cement clinker production line cooperative disposal garbage system, comprise incinerator (1), flue (2), dore furnace (3), tertiary-air pipe (4), rotary kiln (5), grate-cooler (6), hot air duct (7), air supply line (8), it is characterized in that: also comprise oxygen enrichment system (9), oxygen enrichment system (9) is arranged on the air supply line (8) of incinerator, and between air supply line (8) and oxygen enrichment system (9), be provided with oxygen enrichment pipeline valve (10), between hot air duct (7) and air supply line (8), be provided with hot air duct valve (11).
2. cement clinker production line cooperative disposal garbage system according to claim 1 is characterized in that: be provided with gas analyzer (12) between air supply line (8) and incinerator (1).
3. cement clinker production line cooperative disposal garbage system according to claim 1 and 2 is characterized in that: be provided with air-introduced machine (14) between air supply line (8) and incinerator (1).
4. cement clinker production line cooperative disposal garbage system according to claim 1 and 2, it is characterized in that: be provided with exhaust piping (15) at air supply line (8), between exhaust piping (15) and air supply line (8), be provided with exhaust piping valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203262680U CN202719614U (en) | 2012-07-06 | 2012-07-06 | Cement clinker production line co-processing garbage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203262680U CN202719614U (en) | 2012-07-06 | 2012-07-06 | Cement clinker production line co-processing garbage system |
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| Publication Number | Publication Date |
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| CN202719614U true CN202719614U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012203262680U Expired - Fee Related CN202719614U (en) | 2012-07-06 | 2012-07-06 | Cement clinker production line co-processing garbage system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705837A (en) * | 2012-07-06 | 2012-10-03 | 南京凯盛国际工程有限公司 | System and method for collaborative garbage disposal of cement clinker production line |
| CN109970374A (en) * | 2019-03-22 | 2019-07-05 | 北京科太亚洲生态科技股份有限公司 | A kind of oxygen supplementing device and oxygen replenishing method increasing rotary kiln waste treatment amount |
-
2012
- 2012-07-06 CN CN2012203262680U patent/CN202719614U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705837A (en) * | 2012-07-06 | 2012-10-03 | 南京凯盛国际工程有限公司 | System and method for collaborative garbage disposal of cement clinker production line |
| CN102705837B (en) * | 2012-07-06 | 2015-04-01 | 南京凯盛国际工程有限公司 | System and method for collaborative garbage disposal of cement clinker production line |
| CN109970374A (en) * | 2019-03-22 | 2019-07-05 | 北京科太亚洲生态科技股份有限公司 | A kind of oxygen supplementing device and oxygen replenishing method increasing rotary kiln waste treatment amount |
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| Date | Code | Title | Description |
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| 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: 20130206 Termination date: 20160706 |
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| CF01 | Termination of patent right due to non-payment of annual fee |