CN204298262U - A kind of lime boiler-turbine CCS local oxygen-rich combustion-supporting system - Google Patents
A kind of lime boiler-turbine CCS local oxygen-rich combustion-supporting system Download PDFInfo
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- CN204298262U CN204298262U CN201420817365.9U CN201420817365U CN204298262U CN 204298262 U CN204298262 U CN 204298262U CN 201420817365 U CN201420817365 U CN 201420817365U CN 204298262 U CN204298262 U CN 204298262U
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- oxygen
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- turbine ccs
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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
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
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Abstract
A kind of lime boiler-turbine CCS local oxygen-rich combustion-supporting system, belongs to the combustion-supporting equipment technical field of lime boiler-turbine CCS.Comprise lime boiler-turbine CCS (9), it is characterized in that: the kiln body of described lime boiler-turbine CCS (9) offers rich foster wind entrance at 1/3rd At The Heights, the high temperature resistant nozzle stretching into lime boiler-turbine CCS (9) inside is established in rich wind porch of supporting, and rich wind entrance of supporting connects oxygen enrichment wind feedway by oxygen enrichment airduct (7).The utility model offers rich foster wind entrance at the kiln body of lime boiler-turbine CCS at 1/3rd At The Heights, forms local oxygen-enriched combustion-supporting.The oxygen-enriched air consumption of local oxygen-enriched combustion-supporting is only 1% ~ 10% of the overall combustion air volume of lime boiler-turbine CCS, obtains the effect identical with overall oxygenation.
Description
Technical field
A kind of lime boiler-turbine CCS local oxygen-rich combustion-supporting system, belongs to the combustion-supporting equipment technical field of lime boiler-turbine CCS.
Background technology
Lime boiler-turbine CCS is a kind of kiln of lime burning, and after being reached a high temperature by burning in kiln, lime stone is sent into from lime boiler-turbine CCS, in the process that lime stone falls through high-temperature calcination be lime, then by extraction bottom kiln.The temperature improving lime boiler-turbine CCS can increase single kiln output, can also ensure the quality obtaining lime.The overall oxygen enriching burning-aid equipment of lime boiler-turbine CCS is adopted in conventional art, namely improving lime boiler-turbine CCS makes whole combustion air volume all adopt oxygen-enriched air, this just needs a large amount of oxygen-enriched air preparations, and this oxygen-enriched air Preparation equipment not only initial stage transformation needs a large amount of fund inputs, takies a large amount of spaces.Also need to consume very high use cost and maintenance cost at any time in Long-Time Service process.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, the lime boiler-turbine CCS local oxygen-rich combustion-supporting system providing a kind of small investment, use cost low.
The utility model solves the technical scheme that its technical problem adopts: this lime boiler-turbine CCS local oxygen-rich combustion-supporting system, comprise lime boiler-turbine CCS, the kiln body of described lime boiler-turbine CCS offers rich foster wind entrance at 1/3rd At The Heights, the high temperature resistant nozzle stretching into lime boiler-turbine CCS inside is established in rich wind porch of supporting, and rich wind entrance of supporting connects oxygen enrichment wind feedway by oxygen enrichment airduct.
The utility model offers rich foster wind entrance at the kiln body of lime boiler-turbine CCS at 1/3rd At The Heights, supplies oxygen enrichment wind herein, forms local oxygen-enriched combustion-supporting.The oxygen-enriched air consumption of local oxygen-enriched combustion-supporting is only 1% ~ 10% of the overall combustion air volume of lime boiler-turbine CCS, support wind porch in richness and adopt high temperature resistant nozzle spraying technique, guarantee that eutrophic does not mix with normal air stream, enter at a high speed this local of lime mechanical shaft kiln high-temperature combustion zone, obtain the effect identical with overall oxygenation, and without any side effect, oxygen-enriched air should be added in the most aerobic place, fuel can be burnt in time fully with minimum oxygen at this.
Described lime boiler-turbine CCS supports wind entrance in four richnesses that circumferentially equidistantly offer of 1/3rd height, and four richnesses are supported wind entrance and are connected to same oxygen enrichment airduct by quartering connector.Blast oxygen-enriched air in four direction equivalent, be that fuel combustion is more abundant, kiln temperature, evenly stable, ensures gained lime quality.
Described oxygen enrichment wind feedway comprises the filter, blower fan, membrane type oxygen-enriched generator, dry vacuum pump and the vacuum tank that connect successively, and the air outlet of vacuum tank is tightly connected oxygen enrichment airduct.Oxygen enrichment wind feedway of the present utility model is film local oxygen-enriched combustion supporting device: as membrane oxygen enrichment technology itself, and comparable Deep Cooling Method and pressure swing adsorption method (PSA method) are reduced investment outlay; Oxygen-enriched air amount needed for local oxygen enriching burning-aid integrated system is only 0.5 ~ 10% of overall oxygenation, uses membrane type oxygen-enriched generator can meet oxygen-enriched air demand completely.Arrive identical lime production and can economize on coal 8% ~ 15%; Equipment is simple, and easy to operate, security is good, and reliability is high, keeps in repair considerably less; Because combustion air volume can decrease 5% ~ 50%, efficiency of combustion improves, and not only can greatly reduce discharge amount of exhaust gas, also greatly can improve the achievement level of smoke evacuation, create good social benefit, become real high-efficient energy-saving environment friendly equipment.
The tertiary filter that described filter is roughing efficiency air filter, medium effeciency filter, high efficiency particulate air filter compose in series, filter is greater than 99.9% to the dust removal rate being greater than 0.5 μm, and resistance is less than 0.3KPa.
Described filter connects PLC automatic control system by pressure sensor, the rear of described membrane type oxygen-enriched generator is equipped with oxygen-rich concentration table and connects PLC automatic control system, and the air outlet place of described vacuum tank is provided with output gas flow table and connects PLC automatic control system.
The utility model offers rich foster wind entrance at the kiln body of lime boiler-turbine CCS at 1/3rd At The Heights, supplies oxygen enrichment wind herein, forms local oxygen-enriched combustion-supporting.The oxygen-enriched air consumption of local oxygen-enriched combustion-supporting is only 1% ~ 10% of the overall combustion air volume of lime boiler-turbine CCS, support wind porch in richness and adopt high temperature resistant nozzle spraying technique, guarantee that eutrophic does not mix with normal air stream, enter at a high speed this local of lime mechanical shaft kiln high-temperature combustion zone, obtain the effect identical with overall oxygenation, and without any side effect, oxygen-enriched air should be added in the most aerobic place, fuel can be burnt in time fully with minimum oxygen at this.This equipment changes traditional operation adjustment mode being theoretical foundation with combustion chemistry and kinetics of combustion; With local oxygen-enriched oxygen enriching burning-aid integrated system, change the new technology of burning condition, improve combustion flame temperature and reduce flame blackness; Based on local oxygen enriching, make entirety enter stove air and obviously reduce, reduce air-supply, absorbing quantity, reduce power consumption; Improve efficiency of combustion; Key is that rich-oxygen nozzle is arranged and comprehensive tuning.Needing in the region of oxygenation by oxygen-enriched air being added to fuel combustion zone in kiln, realizing reducing fuel ignition temperature, accelerating burning velocity, promote that burning completely; Improve combustion zone temperature; Reduce exhaust smoke level, improve heat utilization efficiency; Reduce CO in smoke evacuation tail gas
2content, gets rid of blackness of the exhaust; Reduce fume amount, reduce and produce the quantity of slag.
Accompanying drawing explanation
Fig. 1 is the connection diagram of a kind of lime boiler-turbine CCS local of the present utility model embrane method oxygen-rich combustion-supporting system.
Wherein, 1, filter 101, roughing efficiency air filter 102, medium effeciency filter 103, high efficiency particulate air filter 2, blower fan 3, membrane type oxygen-enriched generator 4, vacuum meter 5, dry vacuum pump 6, vacuum tank 7, oxygen enrichment airduct 8, quartering connector 9, lime boiler-turbine CCS.
Detailed description of the invention
Fig. 1 is most preferred embodiment of the present utility model, is described further below in conjunction with accompanying drawing 1 pair of the utility model.
With reference to accompanying drawing 1: a kind of lime boiler-turbine CCS local of the present utility model embrane method oxygen-rich combustion-supporting system, comprises filter 1, blower fan 2, membrane type oxygen-enriched generator 3, dry vacuum pump 5, vacuum tank 6, oxygen enrichment airduct 7, quartering connector 8 and lime boiler-turbine CCS 9.Filter 1 is by roughing efficiency air filter 101, medium effeciency filter 102 and high efficiency particulate air filter 103 3 grades compose in series, connecting fan 2 after filter 1, centrifugal high pressure positive blower selected by blower fan 2, blower fan 2 air outlet connects the air inlet of membrane type oxygen-enriched generator 3, the oxygen enrichment wind export pipeline of membrane type oxygen-enriched generator 3 connects dry vacuum pump 5, this pipeline is equiped with vacuum meter 4, the oxygen enrichment wind outlet of dry vacuum pump 5 connects vacuum tank 6, the oxygen enrichment wind outlet of vacuum tank 6 connects quartering connector 8 by oxygen enrichment airduct 7, oxygen enrichment wind equivalent is divided into four pipelines by quartering connector 8, these four pipelines are connected to lime boiler-turbine CCS 9 respectively and support wind porch in four richnesses that circumferentially equidistantly offer of 1/3rd height, rich wind porch of supporting is equipped with the high temperature resistant nozzle stretching into lime boiler-turbine CCS 9.Four orientation are sent to be blown into the combustion zone of lime boiler-turbine CCS 9 the oxygen enrichment wind equivalent transported.
Concrete using method is: utilize the oxygen enrichment wind feedway of native system obtain carrier of oxygen volume concentrations 28% ~ 32% oxygen-enriched air, oxygen-enriched air is carried through oxygen enrichment airduct 7, through quartering connector 8, oxygen-enriched air is divided into four points substantially again, and by four pipelines be delivered to respectively lime boiler-turbine CCS 9 1/3rd height four richnesses that circumferentially equidistantly offer support wind entrance, spray into lime boiler-turbine CCS 9 by respective high temperature resistant nozzle, improve the temperature of lime boiler-turbine CCS 9 at this combustion zone.Ensure that lime stone is calcined completely in the dropping process on kiln top.
The above, it is only preferred embodiment of the present utility model, be not restriction the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (5)
1. a lime boiler-turbine CCS local oxygen-rich combustion-supporting system, comprise lime boiler-turbine CCS (9), it is characterized in that: the kiln body of described lime boiler-turbine CCS (9) offers rich foster wind entrance at 1/3rd At The Heights, the high temperature resistant nozzle stretching into lime boiler-turbine CCS (9) inside is established in rich wind porch of supporting, and rich wind entrance of supporting connects oxygen enrichment wind feedway by oxygen enrichment airduct (7).
2. a kind of lime boiler-turbine CCS local according to claim 1 oxygen-rich combustion-supporting system, it is characterized in that: described lime boiler-turbine CCS (9) supports wind entrance in four richnesses that circumferentially equidistantly offer of 1/3rd height, and four richnesses are supported wind entrance and are connected to same oxygen enrichment airduct (7) by quartering connector (8).
3. a kind of lime boiler-turbine CCS local according to claim 1 oxygen-rich combustion-supporting system, it is characterized in that: described oxygen enrichment wind feedway comprises the filter (1), blower fan (2), membrane type oxygen-enriched generator (3), dry vacuum pump (5) and the vacuum tank (6) that connect successively, the air outlet of vacuum tank (6) is tightly connected oxygen enrichment airduct (7).
4. a kind of lime boiler-turbine CCS local according to claim 3 oxygen-rich combustion-supporting system, it is characterized in that: the tertiary filter that described filter (1) is roughing efficiency air filter (101), medium effeciency filter (102), high efficiency particulate air filter (103) compose in series, filter (1) is greater than 99.9% to the dust removal rate being greater than 0.5 μm, and resistance is less than 0.3KPa.
5. a kind of lime boiler-turbine CCS local according to claim 3 oxygen-rich combustion-supporting system, it is characterized in that: described filter (1) connects PLC automatic control system by pressure sensor, the rear of described membrane type oxygen-enriched generator (3) is equipped with oxygen-rich concentration table and connects PLC automatic control system, and the air outlet place of described vacuum tank (6) is provided with output gas flow table and connects PLC automatic control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420817365.9U CN204298262U (en) | 2014-12-22 | 2014-12-22 | A kind of lime boiler-turbine CCS local oxygen-rich combustion-supporting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420817365.9U CN204298262U (en) | 2014-12-22 | 2014-12-22 | A kind of lime boiler-turbine CCS local oxygen-rich combustion-supporting system |
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| CN204298262U true CN204298262U (en) | 2015-04-29 |
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| CN201420817365.9U Expired - Fee Related CN204298262U (en) | 2014-12-22 | 2014-12-22 | A kind of lime boiler-turbine CCS local oxygen-rich combustion-supporting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322868A (en) * | 2020-04-01 | 2020-06-23 | 海城市国田矿业有限公司 | Production method of light-burning kiln with oxygen-enriched combustion-supporting function |
-
2014
- 2014-12-22 CN CN201420817365.9U patent/CN204298262U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111322868A (en) * | 2020-04-01 | 2020-06-23 | 海城市国田矿业有限公司 | Production method of light-burning kiln with oxygen-enriched combustion-supporting function |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20191222 |