CN206055660U - A kind of coal-burning boiler component for reducing smoke evacuation oxygen content - Google Patents
A kind of coal-burning boiler component for reducing smoke evacuation oxygen content Download PDFInfo
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- CN206055660U CN206055660U CN201620917885.6U CN201620917885U CN206055660U CN 206055660 U CN206055660 U CN 206055660U CN 201620917885 U CN201620917885 U CN 201620917885U CN 206055660 U CN206055660 U CN 206055660U
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- coal
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- air
- conducting oil
- oxygen content
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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
Abstract
The utility model discloses a kind of coal-burning boiler component for reducing smoke evacuation oxygen content, including：Coal burning heat-conducting oil boiler and air-introduced machine, smoke exhaust pipe is provided between the air inlet of the air-introduced machine and the gas outlet of coal burning heat-conducting oil boiler to be connected, the exhaust outlet of the air-introduced machine is additionally provided with a drainage tube, the end of the drainage tube has been arranged in parallel gas-adding pipe and defeated grey trachea, the aerating pipe end is connected with the burner hearth of coal burning heat-conducting oil boiler, fine ash bucket is provided with the coal burning heat-conducting oil boiler, it is connected using ash adding tube between the outlet of the fine ash bucket and the burner hearth of coal burning heat-conducting oil boiler, the defeated grey trachea is connected with the side of ash adding tube, sack cleaner is in series with the smoke exhaust pipe.By the way, the coal-burning boiler component for reducing smoke evacuation oxygen content described in the utility model, by using flue gas recirculation blower fan backflow part of smoke, sprays into burner hearth a part of flammable fine ash using fine ash bucket and further burns.
Description
Technical field
This utility model is related to discharged from coal-fired boiler field, more particularly to a kind of coal-burning boiler for reducing smoke evacuation oxygen content
Component.
Background technology
With increasing for environmental pollution, boiler smoke discharge standard is also being improved, and puies forward target in fire coal boiler fume discharge
Under overall situation, fume emission is required：Dust concentration≤30mg/m3, SO2 concentration≤200mg/m3, NOx concentration≤200mg/m3.
The multiplex sack cleaner of coal-burning boiler and desulfurizing tower carry out discharge purification at present, but as boiler heat supplying load is given birth to
The impact of product, sometimes big sometimes little, only specified 50--60% sometimes, the old boiler improvement in part, boiler body are leaked out relatively
It is larger so that boiler export and chimney breast oxygen content respectively reach 13--14% and 15--16%, cause fume emission exceeded, carry
Mark transformation failure.
Utility model content
This utility model is mainly solving the technical problems that a kind of coal-burning boiler component for reducing smoke evacuation oxygen content of offer, carries
The adaptability to producing is risen, fume emission is reduced.
To solve above-mentioned technical problem, the technical scheme that this utility model is adopted is：A kind of reduction smoke evacuation oxygen is provided
The coal-burning boiler component of content, including：Coal burning heat-conducting oil boiler and air-introduced machine, the air inlet and coal burning heat-conducting oil of the air-introduced machine
Smoke exhaust pipe is provided between the gas outlet of boiler to be connected, the exhaust outlet of the air-introduced machine is connected with the chimney of outside, described
The exhaust outlet of air-introduced machine is additionally provided with a drainage tube, and flue gas recirculation blower fan is provided with the drainage tube, the drainage tube
End has been arranged in parallel gas-adding pipe and defeated grey trachea, and the aerating pipe end is connected with the burner hearth of coal burning heat-conducting oil boiler, institute
State and on coal burning heat-conducting oil boiler, be provided with fine ash bucket, adopt between the outlet of the fine ash bucket and the burner hearth of coal burning heat-conducting oil boiler
Ash adding tube is connected, and the defeated grey trachea is connected with the side of ash adding tube, and sack cleaner, institute are in series with the smoke exhaust pipe
The outlet for stating sack cleaner is provided with batcher and is connected with the top of fine ash bucket.
In one preferred embodiment of this utility model, have surplus heat steam boiler and air on the smoke exhaust pipe, are sequentially connected in series
Preheater, the outlet of the air preheater are provided with air inlet pipe and are connected with the air inlet of coal burning heat-conducting oil boiler.
In one preferred embodiment of this utility model, in the air inlet pipe, aerator is provided with.
In one preferred embodiment of this utility model, the 3rd control valve on the ash adding tube, is provided with.
In one preferred embodiment of this utility model, the first control valve, the defeated ash on the gas-adding pipe, are provided with
The second control valve is provided with trachea.
The beneficial effects of the utility model are：A kind of coal-burning boiler group of reduction smoke evacuation oxygen content that this utility model is pointed out
Part, can reduce boiler exhaust gas oxygen content under different combustion conditions, make flue dust in boiler smoke air stripping mark transformation process, SO2 and
NOx emission is up to standard, by using flue gas recirculation blower fan backflow part of smoke, a part of flammable fine ash is sprayed into using fine ash bucket
Burner hearth further burns, by valve opening size and the FREQUENCY CONTROL of flue gas recirculation blower fan, according to produce reality situation and cigarette
Gas emission request is adjusted, and motility is high, reduces boiler exhaust gas oxygen content, and further reducing energy consumption, improves boiler effect
Rate, reduces smoke emissioning concentration, finally guarantees that fume emission is up to standard.
Description of the drawings
For the technical scheme being illustrated more clearly that in this utility model embodiment, below will be to needed for embodiment description
Accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings
Other accompanying drawings are obtained, wherein：
Fig. 1 is a kind of structural representation of one preferred embodiment of coal-burning boiler component for reducing smoke evacuation oxygen content of this utility model
Figure.
Specific embodiment
Technical scheme in this utility model embodiment will be clearly and completely described below, it is clear that described
Embodiment is only a part of embodiment of the present utility model, rather than the embodiment of whole.Based on the enforcement in this utility model
Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made are belonged to
The scope of this utility model protection.
Fig. 1 is referred to, this utility model embodiment includes：
A kind of coal-burning boiler component for reducing smoke evacuation oxygen content, including：Coal burning heat-conducting oil boiler 1 and air-introduced machine 5, it is described to draw
It is provided with smoke exhaust pipe 11 to be connected between the air inlet of blower fan 5 and the gas outlet of coal burning heat-conducting oil boiler 1, the air-introduced machine 5
Exhaust outlet is connected with the chimney of outside, and the steam boiler 2 that has surplus heat, 3 and of air preheater are sequentially connected in series on the smoke exhaust pipe 11
Sack cleaner 4, waste heat steam boiler 2 improve heat utilization ratio, and sack cleaner 4 is filtered, and reduce soot emissions.
The exhaust outlet of the air-introduced machine 5 is additionally provided with a drainage tube 7, and flue gas recirculation wind is provided with the drainage tube 7
Machine 71, the end of the drainage tube 7 have been arranged in parallel gas-adding pipe 8 and defeated grey trachea 9,8 end of the gas-adding pipe and coal-fired heat conduction
The burner hearth of thermo oil boiler 1 is connected, and fine ash bucket 6, outlet and the combustion of the fine ash bucket 6 are provided with the coal burning heat-conducting oil boiler 1
It is connected using ash adding tube 61 between the burner hearth of coal heat conducting oil boiler 1.The outlet of the sack cleaner 4 is provided with batcher 41
And be connected with the top of fine ash bucket 6, the part fine ash in sack cleaner 4 is delivered in fine ash bucket 6, the defeated grey trachea
9 are connected with 61 side of ash adding tube, are sprayed into the burner hearth of coal burning heat-conducting oil boiler 1 by ash adding tube 61, are burnt again.
The outlet of the air preheater 3 is provided with air inlet pipe 31 and is connected with the air inlet of coal burning heat-conducting oil boiler 1, institute
State and in air inlet pipe 31, be provided with aerator 32, air preheater 3 can be heated to the air for entering, and lift coal burning heat-conducting oil
The work efficiency of boiler 1, aerator 32 can adjust air inflow, flexible operation.
The 3rd control valve 62 is provided with the ash adding tube 61, is flowed back a part of cigarette by using flue gas recirculation blower fan 71
Gas, sprays into burner hearth a part of flammable fine ash using fine ash bucket 6 and further burns, improving combustion efficiency.
The first control valve 81 is provided with the gas-adding pipe 8, backflow part of smoke is joined into coal burning heat-conducting oil boiler 1
With burning so that burning more fully, is provided with the second control valve 91 on the defeated grey trachea 9, control is into ash adding tube 61
Air-flow, combine with the actual condition of coal burning heat-conducting oil boiler 1, it is easy to adjust, improve the work effect of coal burning heat-conducting oil boiler 1
Rate, reduces exhaust emission, is conducive to emission compliance.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure made using this utility model description or equivalent flow conversion, or directly or indirectly it is used in other phases
The technical field of pass, is included in scope of patent protection of the present utility model in the same manner.
Claims (5)
1. it is a kind of reduce smoke evacuation oxygen content coal-burning boiler component, including：Coal burning heat-conducting oil boiler and air-introduced machine, the air-introduced machine
Air inlet and the gas outlet of coal burning heat-conducting oil boiler between be provided with smoke exhaust pipe and be connected, the exhaust outlet of the air-introduced machine with it is outer
The chimney in portion is connected, it is characterised in that the exhaust outlet of the air-introduced machine is additionally provided with a drainage tube, sets on the drainage tube
Be equipped with flue gas recirculation blower fan, the end of the drainage tube has been arranged in parallel gas-adding pipe and defeated grey trachea, the aerating pipe end with
The burner hearth of coal burning heat-conducting oil boiler is connected, and fine ash bucket, the outlet of the fine ash bucket are provided with the coal burning heat-conducting oil boiler
It is connected using ash adding tube between the burner hearth of coal burning heat-conducting oil boiler, the defeated grey trachea is connected with the side of ash adding tube,
Sack cleaner is in series with the smoke exhaust pipe, the outlet of the sack cleaner is provided with batcher and the top with fine ash bucket
It is connected.
2. it is according to claim 1 reduce smoke evacuation oxygen content coal-burning boiler component, it is characterised in that on the smoke exhaust pipe
Have surplus heat steam boiler and air preheater are sequentially connected in series, the outlet of the air preheater is provided with air inlet pipe with coal-fired heat conduction
The air inlet of thermo oil boiler is connected.
3. it is according to claim 2 reduce smoke evacuation oxygen content coal-burning boiler component, it is characterised in that in the air inlet pipe
It is provided with aerator.
4. it is according to claim 1 reduce smoke evacuation oxygen content coal-burning boiler component, it is characterised in that on the ash adding tube
It is provided with the 3rd control valve.
5. it is according to claim 1 reduce smoke evacuation oxygen content coal-burning boiler component, it is characterised in that on the gas-adding pipe
The first control valve is provided with, on the defeated grey trachea, the second control valve is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620917885.6U CN206055660U (en) | 2016-08-23 | 2016-08-23 | A kind of coal-burning boiler component for reducing smoke evacuation oxygen content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620917885.6U CN206055660U (en) | 2016-08-23 | 2016-08-23 | A kind of coal-burning boiler component for reducing smoke evacuation oxygen content |
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| CN206055660U true CN206055660U (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620917885.6U Active CN206055660U (en) | 2016-08-23 | 2016-08-23 | A kind of coal-burning boiler component for reducing smoke evacuation oxygen content |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196124A (en) * | 2016-08-23 | 2016-12-07 | 苏州泰盛新绿节能环保科技有限公司 | A kind of coal-burning boiler assembly reducing smoke evacuation oxygen content |
-
2016
- 2016-08-23 CN CN201620917885.6U patent/CN206055660U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196124A (en) * | 2016-08-23 | 2016-12-07 | 苏州泰盛新绿节能环保科技有限公司 | A kind of coal-burning boiler assembly reducing smoke evacuation oxygen content |
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