CN206488258U - Double burner liquidates the corner tube type pulverized coal steam boiler of arrangement - Google Patents
Double burner liquidates the corner tube type pulverized coal steam boiler of arrangement Download PDFInfo
- Publication number
- CN206488258U CN206488258U CN201720180547.3U CN201720180547U CN206488258U CN 206488258 U CN206488258 U CN 206488258U CN 201720180547 U CN201720180547 U CN 201720180547U CN 206488258 U CN206488258 U CN 206488258U
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- China
- Prior art keywords
- burner hearth
- burner
- arrangement
- liquidates
- pulverized coal
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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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Combustion Of Fluid Fuel (AREA)
Abstract
A kind of corner tube type pulverized coal steam boiler for the arrangement that liquidated the utility model discloses double burner, it belongs to boiler manfacturing field.It mainly includes burner hearth and tail heat exchanger, and burner hearth bottom, which is provided with to be provided with below superheated steam system, burner hearth above ash system, burner hearth, is provided with blowing system, and burner is provided with above blowing system；The full film-type water-cooling system of cornue structure is provided with the burner hearth, the full film-type water-cooling system of cornue structure includes full fin panel casing, rise and fall pipe, drum and flag formula convection heating surface, and lower header of the rise and fall pipe respectively with drum and full fin panel casing is connected.The utility model compact conformation, alleviates steel consumption, while boiler capacity is improved, moreover it is possible to which when ensureing low load combustion, the efficiency of combustion of fuel is more than 98%.The utility model is mainly used in coal dust and burns heat exchange.
Description
Technical field
The utility model belongs to boiler manfacturing field, specifically, more particularly to a kind of double burner liquidates the angle of arrangement
Tubular type pulverized coal steam boiler.
Background technology
Industrial coal powder boiler refers to the novel coal Industrial Boiler that " pulverized coal combustion " is core, with following excellent
Point：The coal dusts of the 200 mesh fineness impurity in process of lapping is ground to fully to remove；Coal-fired fine size, is easily lighted, and volatilize score value
Height, can improve burn-off rate；Coal-fired ash content is low, can reduce load of dust remove.In recent years, China was in industrial coal powder boiler application skill
Art field is made a breakthrough, and boiler structure is varied, is much asked however, industrial coal powder boiler is still suffered from operation
Topic, for example：The burnout rate of fuel is high when burner hearth coking, underload, burner hearth bottom easy dust stratification the problems such as.
The content of the invention
The purpose of this utility model is the corner tube type coal dust for overcoming drawbacks described above to liquidate arrangement there is provided a kind of double burner
Steam boiler, the boiler structure is compact, alleviates steel consumption, while boiler capacity is improved, moreover it is possible to ensure that underload fires
During burning, the efficiency of combustion of fuel is more than 98%.
Described double burner liquidates the corner tube type pulverized coal steam boiler of arrangement, including burner hearth and tail heat exchanger, stove
Thorax bottom, which is provided with to be provided with below superheated steam system, burner hearth above ash system, burner hearth, is provided with blowing system, above blowing system
Provided with burner；The full film-type water-cooling system of cornue structure, the full film-type water-cooling system bag of cornue structure are provided with the burner hearth
Include full fin panel casing, rise and fall pipe, drum and flag formula convection heating surface, rise and fall pipe respectively with drum and full membrane type water
The lower header connection of cold wall.
Further, the burner is two, and is symmetrically centrally disposed in the wall bottom of burner hearth both sides.
Further, be provided with denitrating system above the tail heat exchanger, flag formula convection heating surface by S bend pipe road with
Denitrating system is connected.
Further, the denitrating system uses SCR denitration equipment, and burner hearth internal upper part is provided with spray gun interface, spray gun interface
It is connected with denitrating system.
Further, the burner hearth bottom uses the variable section structure that section is tapered into.
Further, the tail heat exchanger includes economizer and air preheater.
Compared with prior art, the beneficial effects of the utility model are：
1st, the wall bottom of burner hearth both sides is symmetrically centrally disposed in using double burner, industrial coal powder boiler capacity is being improved
Simultaneously, moreover it is possible to ensure the efficiency of combustion of fuel during low load combustion more than 98%；
2nd, the full film-type water-cooling system of vertical cornue structure, alleviates the steel consumption of boiler, and boiler can be freely upward
Expansion；
3rd, burner hearth bottom uses the variable section structure that section is tapered into, and with reference to the blowing system in stove, is conducive to coal dust
The stable burning of classification, it is smooth that lower furnace portion falls ash；
4th, using denitration in the stove, gametic fertility in stove is configured in 900 DEG C or so of temperature field of burner hearth, boiler tail is alleviated
Denitration pressure；
5th, the utility model compact overall structure, is suitable for no or low volatile matter coal dust combustion requirements, flameholding, burner hearth
Bottom not dust stratification, good airproof performance, steel consumption is low and safe water circulation is reliable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure, 1, fall ash system；2nd, blowing system；3rd, burner；4th, full fin panel casing；5th, rise and fall pipe；6th, spray
Rifle interface；7th, drum；8th, superheated steam system；9th, flag formula convection heating surface；10th, air preheater；11st, economizer；12nd, stove
Thorax；13rd, denitrating system.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
The corner tube type pulverized coal steam boiler of arrangement as shown in figure 1, double burner liquidates, including burner hearth 12 and afterbody heat exchange dress
Put, tail heat exchanger includes economizer 11 and air preheater 10, the bottom of burner hearth 12 is provided with ash system 1, the top of burner hearth 12
Provided with superheated steam system 8, the lower section of burner hearth 12 is provided with blowing system 2, and the top of blowing system 2 is provided with burner 3；The burner hearth 12
Interior to be provided with the full film-type water-cooling system of cornue structure, the full film-type water-cooling system of cornue structure includes full fin panel casing 4, risen
Down-comer 5, drum 7 and flag formula convection heating surface 9, rise and fall pipe 5 respectively with drum 7 and the lower header of full fin panel casing 4
Connection；Denitrating system 13 is provided with above tail heat exchanger, flag formula convection heating surface 9 is connected by S bend pipe road with denitrating system 13
Connect；Denitrating system 13 uses SCR denitration equipment, and the internal upper part of burner hearth 12 is provided with spray gun interface 6, spray gun interface 6 and denitrating system 13
Connection；The bottom of burner hearth 12 uses the variable section structure that section is tapered into；Burner 3 is two, and symmetrical centrally arranged
Wall bottom in the both sides of burner hearth 12.
Flag formula convection heating surface 9 and SCR denitration equipment are prior art.
When in use, by the high-temperature flue gas after the pre-burning of burner 3 enter burner hearth 12 carries out radiation heat transfer to the utility model,
First pass through superheated steam system 8 to absorb heat, produce high-temperature steam, then after the heat exchange of flag formula convection heating surface 9, flue gas passes through SCR
Denitration device is carried out after denitration, finally enters economizer 11 and air preheater 10 is discharged；Cold air required for burning passes through
It is combustion-supporting that air preheater 10 enters burner 3 after heating.The bottom of burner hearth 12 uses variable section structure, with reference to blowing system 2, favorably
In the stable burning of coal dust classification, 12 times clan's ashes of burner hearth are smooth；The utility model uses the full film-type water-cooling system of vertical cornue structure
The lower header of 4 major diameter down-comers, connection drum 7 and full fin panel casing 4 is arranged in system, boiler water tube structure division corner,
The steel consumption of boiler is alleviated, and boiler freely can expand upwards.
Claims (6)
- The corner tube type pulverized coal steam boiler of arrangement 1. a kind of double burner liquidates, including burner hearth (12) and tail heat exchanger, stove Thorax (12) bottom, which is provided with above ash system (1), burner hearth (12) to be provided with to be provided with below superheated steam system (8), burner hearth (12), matches somebody with somebody Burner (3) is provided with above wind system (2), blowing system (2)；It is characterized in that：Cornue structure is provided with the burner hearth (12) Full film-type water-cooling system, the full film-type water-cooling system of cornue structure includes full fin panel casing (4), rise and fall pipe (5), vapour Wrap (7) and flag formula convection heating surface (9), rise and fall pipe (5) respectively with drum (7) and the lower header of full fin panel casing (4) Connection.
- The corner tube type pulverized coal steam boiler of arrangement 2. double burner according to claim 1 liquidates, it is characterised in that：It is described Burner (3) is two, and is symmetrically centrally disposed in the wall bottom of burner hearth (12) both sides.
- The corner tube type pulverized coal steam boiler of arrangement 3. double burner according to claim 2 liquidates, it is characterised in that：It is described Denitrating system (13) is provided with above tail heat exchanger, flag formula convection heating surface (9) is connected by S bend pipe road and denitrating system (13) Connect.
- The corner tube type pulverized coal steam boiler of arrangement 4. double burner according to claim 3 liquidates, it is characterised in that：It is described Denitrating system (13) uses SCR denitration equipment, and burner hearth (12) internal upper part is provided with spray gun interface (6), spray gun interface (6) and denitration system System (13) connection.
- The corner tube type pulverized coal steam boiler of arrangement 5. double burner according to any one of claim 1 to 4 liquidates, it is special Levy and be：Burner hearth (12) bottom uses the variable section structure that section is tapered into.
- The corner tube type pulverized coal steam boiler of arrangement 6. double burner according to claim 5 liquidates, it is characterised in that：It is described Tail heat exchanger includes economizer (11) and air preheater (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720180547.3U CN206488258U (en) | 2017-02-27 | 2017-02-27 | Double burner liquidates the corner tube type pulverized coal steam boiler of arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720180547.3U CN206488258U (en) | 2017-02-27 | 2017-02-27 | Double burner liquidates the corner tube type pulverized coal steam boiler of arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206488258U true CN206488258U (en) | 2017-09-12 |
Family
ID=59762410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720180547.3U Expired - Fee Related CN206488258U (en) | 2017-02-27 | 2017-02-27 | Double burner liquidates the corner tube type pulverized coal steam boiler of arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206488258U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220181A (en) * | 2019-06-05 | 2019-09-10 | 山东东能动力科技有限公司 | Organic heat carrier and the double heat supply working medium burning coal powder low emission boilers of steam and its method |
| CN110360546A (en) * | 2019-07-04 | 2019-10-22 | 北控清洁热力有限公司 | Vertical pulverized-coal fired boiler |
-
2017
- 2017-02-27 CN CN201720180547.3U patent/CN206488258U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220181A (en) * | 2019-06-05 | 2019-09-10 | 山东东能动力科技有限公司 | Organic heat carrier and the double heat supply working medium burning coal powder low emission boilers of steam and its method |
| CN110220181B (en) * | 2019-06-05 | 2024-02-09 | 山东东能动力科技有限公司 | Low-emission boiler for burning pulverized coal by using organic heat carrier and steam dual-heating working medium and method thereof |
| CN110360546A (en) * | 2019-07-04 | 2019-10-22 | 北控清洁热力有限公司 | Vertical pulverized-coal fired boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170912 Termination date: 20200227 |