CN106288362A - Brace type straw direct burning boiler - Google Patents
Brace type straw direct burning boiler Download PDFInfo
- Publication number
- CN106288362A CN106288362A CN201610916508.5A CN201610916508A CN106288362A CN 106288362 A CN106288362 A CN 106288362A CN 201610916508 A CN201610916508 A CN 201610916508A CN 106288362 A CN106288362 A CN 106288362A
- Authority
- CN
- China
- Prior art keywords
- water
- bracing frame
- cooling wall
- flue
- staircase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
-
- 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 present invention relates to a kind of brace type straw direct burning boiler, a kind of boiler of central heating in supply or civil heating in thermal power plant and commercial production, belong to boiler plant technical field.It includes drum, water-cooling wall, water-cooling wall bracing frame, staircase bracing frame and flue bracing frame, and drum connects water-cooling wall by common downcomer, and common downcomer lower end is fixed on water-cooling wall bracing frame.The top crossing hot cell turns to flue by expansion joint connection, turns to flue rear end to connect three grades of air preheat mechanisms, and three grades of air preheat mechanisms are fixed on flue bracing frame.Water-cooling wall both sides are provided with staircase, and staircase is fixed on staircase bracing frame.Present configuration is simple, compact, reasonable, the weight of water-cooling wall is supported by the water-cooling wall bracing frame of bottom, the weight of three grades of air preheat mechanisms is supported by the flue bracing frame of bottom, solves the big Air Leakage of differential expansion between cold and hot.
Description
Technical field
The present invention relates to a kind of brace type straw direct burning boiler, specifically one raw for thermal power plant and industry
Product supplies or the boiler of central heating in civil heating, belong to boiler plant technical field.
Background technology
Along with supply shortage and the increasingly stringent of national requirements for environmental protection of primary energy, biomass fuel boiler complies with market
Demand, develops more and more faster, and its parameter is developed into High Temperature High Pressure even supertension parameter by initial medium temperature and medium pressure.Along with pressure
Power, the raising of temperature, require more and more higher to aspects such as pressure-bearing, structure and the sealings of boiler.Domestic have the disclosed patent to be
A kind of middle parameter, use water-cooling vibration furnace grate as the biomass boiler of combustion apparatus, boiler use anterior suspention, after
Portion's supporting construction, whole drum, fire box, cooling chamber and hot cell excessively include that the weight such as superheater are all suspended in top steelframe
On, boiler is overall to be expanded downwards, and water-cooling vibration furnace grate is then fixed in bottom steel frame, grate surface and burner hearth water during hot operation
Bigger thermal expansion is there is between cold wall.After boiler parameter rises to high pressure, the differential expansion between this cold and hot continues to strengthen, and leaks out
Problem is difficult to process.And boiler tail economizer and air preheater are that single-stage is arranged, hot blast temperature is relatively low, above-mentioned two sides
Face factor all has a strong impact on the efficiency of combustion of boiler.
Summary of the invention
It is an object of the invention to overcome above-mentioned weak point, thus a kind of brace type straw direct burning boiler, boiler are provided
Water-cooling wall is supported by bottom support frame, it is possible to avoid the big Air Leakage of differential expansion between cold and hot；Three grades of air preheater layout
Higher hot blast temperature can be obtained, contribute to the thorough burning of biomass fuel.
The technical scheme provided according to the present invention, brace type straw direct burning boiler includes that drum, water-cooling wall, water-cooling wall support
Frame, staircase bracing frame and flue bracing frame, is characterized in that: drum connects water-cooling wall by common downcomer, under common downcomer
End is fixed on water-cooling wall bracing frame；Water-cooling wall is fixed on water-cooling wall bracing frame, is provided with fire box, cooling in water-cooling wall
Room and excessively hot cell；Hearth combustion indoor are provided with pendant superheater, are provided with high temperature superheater, pendant superheater and high temperature in cooling chamber
Superheater is connected on water-cooling wall medial wall by furnace roof hanging mechanism；Overheated indoor are provided with multiple medium temperature overheater and low temperature mistake
Hot device；Cross the top in hot cell to be connected by expansion joint and turn to flue, turn to flue rear end to connect three grades of air preheat mechanisms, three grades
Air preheat mechanism is fixed on flue bracing frame；Water-cooling wall both sides are provided with staircase, and staircase is fixed on staircase bracing frame.
Further, water-cooling wall bracing frame includes water-cooling wall support platform, and water-cooling wall support platform lower end connects multiple water
Cold wall support column is supported.
Further, flue bracing frame includes flue support platform, and flue support platform lower end connects multiple flues and supports
Post is supported.
Further, staircase bracing frame includes staircase support platform, and staircase support platform lower end connects multiple staircases and supports
Post is supported.
Further, multiple medium temperature overheaters and low temperature superheater are uniformly distributed from top to bottom in overheated indoor.
Further, three grades of air preheat mechanisms include the first economizer, the second economizer, the first air preheater,
Two air preheaters and the 3rd air preheater, the first economizer, the first air preheater, the second economizer, the second air are pre-
Hot device and the 3rd air preheater set gradually from top to bottom, and the first air preheater connects the second air preheat by airduct
Device, the second air preheater connects the 3rd air preheater by airduct.
Compared with the prior art the present invention has the advantage that
Present configuration is simple, compact, reasonable, the weight of water-cooling wall is supported by the water-cooling wall bracing frame of bottom, will
The weight of three grades of air preheat mechanisms is supported by the flue bracing frame of bottom, by the weight of the staircase staircase by bottom
Bracing frame is supported, and solves the big Air Leakage of differential expansion between cold and hot；Three grades of layouts of air preheater can obtain higher
Hot blast temperature, contribute to the thorough burning of biomass fuel.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is the supporting construction front view of the present invention.
Description of reference numerals: 1-drum, 2-water-cooling wall, 3-common downcomer, 4-water-cooling wall bracing frame, 4.1-water-cooling wall prop up
Support platform, 4.2-water-cooling wall support column, 5-staircase bracing frame, 5.1-staircase support platform, 5.2-staircase support column, 6-flue prop up
Support, 6.1-flue support platform, 6.2-flue support column, 7-fire box, 8-cooling chamber, 9-cross hot cell, 10-screen formula mistake
Hot device, 11-high temperature superheater, 12-furnace roof hanging mechanism, 13-medium temperature overheater, 14-low temperature superheater, 15-expansion joint, 16-
Turn to flue, 17-the first economizer, 18-the second economizer, 19-the first air preheater, 20-the second air preheater, 21-
3rd air preheater.
Detailed description of the invention
The embodiment combined in accompanying drawing is further described by the present invention below:
As shown in Figure 1 and 2, the invention mainly comprises drum 1, water-cooling wall 2, water-cooling wall bracing frame 4, staircase bracing frame 5 and flue to prop up
Support 6.
Drum 1 connects water-cooling wall 2 by common downcomer 3, and common downcomer 3 lower end is fixed on water-cooling wall bracing frame 4.
The weight of drum 1 is supported by water-cooling wall bracing frame 4.
Water-cooling wall 2 is fixed on water-cooling wall bracing frame 4, is provided with fire box 7, cooling chamber 8 and crosses hot cell in water-cooling wall 2
9.It is provided with pendant superheater 10 in fire box 7, in cooling chamber 8, is provided with high temperature superheater 11, pendant superheater 10 and high temperature
Superheater 11 is connected on water-cooling wall 2 medial wall by furnace roof hanging mechanism 12.Multiple medium temperature overheater 13 it is provided with in crossing hot cell 9
It is uniformly distributed from top to bottom in crossing hot cell 9 with low temperature superheater 14, multiple medium temperature overheaters 13 and low temperature superheater 14.Water-cooled
In wall 2 and water-cooling wall 2, the weight of the superheater of each chamber body is all supported by water-cooling wall bracing frame 4.
Described water-cooling wall bracing frame 4 includes water-cooling wall support platform 4.1, and water-cooling wall support platform 4.1 lower end connects multiple
Water-cooling wall support column 4.2 is supported.
The top crossing hot cell 9 turns to flue 16 by expansion joint 15 connection, turns to flue 16 rear end to connect three grades of air pre-
Heat engine structure, three grades of air preheat mechanisms are fixed on flue bracing frame 6.
Described flue bracing frame 6 includes flue support platform 6.1, and flue support platform 6.1 lower end connects multiple flues and props up
Dagger 6.2 is supported.
Described three grades of air preheat mechanisms include first economizer the 17, second economizer the 18, first air preheater 19,
Two air preheater 20 and the 3rd air preheaters 21, first economizer the 17, first air preheater the 19, second economizer 18,
Second air preheater 20 and the 3rd air preheater 21 set gradually from top to bottom.First air preheater 19 is by airduct even
Connecing the second air preheater 20, the second air preheater 20 connects the 3rd air preheater 21 by airduct.Three grades of air preheats
The weight of mechanism is all supported by flue bracing frame 6.
Water-cooling wall 2 both sides are provided with staircase, and staircase is fixed on staircase bracing frame 5.Described staircase bracing frame 5 includes that staircase props up
Support platform 5.1, staircase support platform 5.1 lower end connects multiple staircase support columns 5.2 and is supported.
The weight of water-cooling wall is supported by the present invention by the water-cooling wall bracing frame of bottom, by three grades of air preheat mechanisms
Weight be supported by the flue bracing frame of bottom, the weight of staircase is supported by the staircase bracing frame of bottom,
Solve the big Air Leakage of differential expansion between cold and hot.Three grades of layouts of air preheater can obtain higher hot blast temperature, helps
Thorough burning in biomass fuel.
Claims (6)
1. a brace type straw direct burning boiler, including drum (1), water-cooling wall (2), water-cooling wall bracing frame (4), staircase bracing frame
And flue bracing frame (6) (5), it is characterized in that: drum (1) connects water-cooling wall (2), common downcomer by common downcomer (3)
(3) lower end is fixed on water-cooling wall bracing frame (4)；Water-cooling wall (2) is fixed on water-cooling wall bracing frame (4), and water-cooling wall sets in (2)
There are fire box (7), cooling chamber (8) and cross hot cell (9)；Pendant superheater (10), cooling chamber it is provided with in fire box (7)
(8) high temperature superheater (11), pendant superheater (10) and high temperature superheater (11) it are provided with in by furnace roof hanging mechanism (12) even
It is connected on water-cooling wall (2) medial wall；Multiple medium temperature overheater (13) and low temperature superheater (14) it is provided with in crossing hot cell (9)；Overheated
The top of room (9) turns to flue (16) by expansion joint (15) connection, turns to flue (16) rear end to connect three grades of air preheat machines
Structure, three grades of air preheat mechanisms are fixed on flue bracing frame (6)；Water-cooling wall (2) both sides are provided with staircase, and staircase is fixed on staircase
On bracing frame (5).
2. brace type straw direct burning boiler as claimed in claim 1, is characterized in that: described water-cooling wall bracing frame (4) includes water
Cold wall support platform (4.1), water-cooling wall support platform (4.1) lower end connects multiple water-cooling wall support columns (4.2) and is supported.
3. brace type straw direct burning boiler as claimed in claim 1, is characterized in that: described flue bracing frame (6) includes flue
Support platform (6.1), flue support platform (6.1) lower end connects multiple flue support columns (6.2) and is supported.
4. brace type straw direct burning boiler as claimed in claim 1, is characterized in that: described staircase bracing frame (5) includes staircase
Support platform (5.1), staircase support platform (5.1) lower end connects multiple staircase support columns (5.2) and is supported.
5. brace type straw direct burning boiler as claimed in claim 1, is characterized in that: the plurality of medium temperature overheater (13) and low
Temperature superheater (14) is uniformly distributed in crossing hot cell (9) from top to bottom.
6. brace type straw direct burning boiler as claimed in claim 1, is characterized in that: described three grades of air preheat mechanisms include the
One economizer (17), the second economizer (18), the first air preheater (19), the second air preheater (20) and the 3rd air are pre-
Hot device (21), the first economizer (17), the first air preheater (19), the second economizer (18), the second air preheater (20)
Setting gradually from top to bottom with the 3rd air preheater (21), it is pre-that the first air preheater (19) connects the second air by airduct
Hot device (20), the second air preheater (20) connects the 3rd air preheater (21) by airduct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610916508.5A CN106288362A (en) | 2016-10-20 | 2016-10-20 | Brace type straw direct burning boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610916508.5A CN106288362A (en) | 2016-10-20 | 2016-10-20 | Brace type straw direct burning boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106288362A true CN106288362A (en) | 2017-01-04 |
Family
ID=57720084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610916508.5A Pending CN106288362A (en) | 2016-10-20 | 2016-10-20 | Brace type straw direct burning boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106288362A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2903708Y (en) * | 2006-03-06 | 2007-05-23 | 无锡华光锅炉股份有限公司 | Straw direct burning boiler |
| CN201246733Y (en) * | 2008-07-18 | 2009-05-27 | 北京国电龙源杭锅蓝琨能源工程技术有限公司 | Angle pipe type biomass direct combustion boiler |
| CN101832637A (en) * | 2010-03-18 | 2010-09-15 | 无锡太湖锅炉有限公司 | Hot water boiler with large-capacity water tubes |
| WO2011134388A1 (en) * | 2010-04-27 | 2011-11-03 | 烟台龙源电力技术股份有限公司 | Pulverized coal burner and pulverized coal boiler having it |
| CN103277782A (en) * | 2013-05-24 | 2013-09-04 | 太原锅炉集团有限公司 | Carbon black tail gas combusting boiler |
| CN206191892U (en) * | 2016-10-20 | 2017-05-24 | 上海工业锅炉无锡有限公司 | Support formula straw direct combustion boiler |
-
2016
- 2016-10-20 CN CN201610916508.5A patent/CN106288362A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2903708Y (en) * | 2006-03-06 | 2007-05-23 | 无锡华光锅炉股份有限公司 | Straw direct burning boiler |
| CN201246733Y (en) * | 2008-07-18 | 2009-05-27 | 北京国电龙源杭锅蓝琨能源工程技术有限公司 | Angle pipe type biomass direct combustion boiler |
| CN101832637A (en) * | 2010-03-18 | 2010-09-15 | 无锡太湖锅炉有限公司 | Hot water boiler with large-capacity water tubes |
| WO2011134388A1 (en) * | 2010-04-27 | 2011-11-03 | 烟台龙源电力技术股份有限公司 | Pulverized coal burner and pulverized coal boiler having it |
| CN103277782A (en) * | 2013-05-24 | 2013-09-04 | 太原锅炉集团有限公司 | Carbon black tail gas combusting boiler |
| CN206191892U (en) * | 2016-10-20 | 2017-05-24 | 上海工业锅炉无锡有限公司 | Support formula straw direct combustion boiler |
Non-Patent Citations (2)
| Title |
|---|
| 钟史明等: "《工业锅炉司炉读本》", 31 July 1998, 中国电力出版社 * |
| 马昌华: "《锅炉事故防范与安全运行》", 30 June 2000, 地震出版社 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |