CN106122915A - One has preposition fin panel casing afterburning burner hearth vertical industrial silicon waste heat boiler - Google Patents
One has preposition fin panel casing afterburning burner hearth vertical industrial silicon waste heat boiler Download PDFInfo
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- CN106122915A CN106122915A CN201610649959.7A CN201610649959A CN106122915A CN 106122915 A CN106122915 A CN 106122915A CN 201610649959 A CN201610649959 A CN 201610649959A CN 106122915 A CN106122915 A CN 106122915A
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- Prior art keywords
- burner hearth
- afterburning burner
- drum
- afterburning
- header
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1861—Waste heat boilers with supplementary firing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
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Abstract
One has preposition fin panel casing afterburning burner hearth vertical industrial silicon waste heat boiler, belongs to industrial silicon waste heat boiler and utilizes equipment technical field, technical scheme to include drum, afterburning burner hearth and tail vertical well gas flue, superheater, vaporizer, economizer etc.；Ethanol combustor is located on afterburning burner hearth side wall and is positioned at the top of smoke inlet, and explosion proof door is located at the top of afterburning burner hearth；Down-comer one end is connected with drum, the other end is connected with the membrane wall lower header being located at afterburning burner hearth bottom through evaporator header, one end of fairlead is all connected with drum, the other end is connected with evaporator outlet header and membrane wall upper collecting chamber respectively, lower side in tail vertical well gas flue is provided with outlet flue, one end of aqueduct is connected with drum, and the other end is connected with economizer.Waste heat boiler of the present invention has good seal performance, reduces superheater import cigarette temperature, it is to avoid during boiler startup, superheater is overheated burns out, and shortens the startup time, the advantage such as safety that improve boiler.
Description
Technical field
The invention belongs to industrial silicon waste heat boiler and utilize equipment technical field, being specifically related to one has preposition fin panel casing
Afterburning burner hearth vertical industrial silicon waste heat boiler.
Background technology
China is the production and consumption big country of industrial silicon, and the industrial silicon production specific energy consumption of current China reaches
More than 1300KW.h/t, and western developed country industrial silicon production specific energy consumption index reaches 1100KW.h/t.This shows China
Industrial silicon energy-saving potential is the biggest.Industrial silicon production is very big to consumption and the dependence of electric energy, gives up hence with metal-silicon furnace waste heat
Gas generating can effectively reduce industrial silicon energy consumption, reduces the discharge of CO2 isothermal chamber gas, will have fairly obvious environmental benefit.
Industrial silicon EGT 400～1000 DEG C, exhaust gas volumn fluctuation is big, and the industrial silicon waste heat boiler on market is mostly low
Temperature low pressure waste heat boiler, generating efficiency is the lowest, and energy-saving benefit is inconspicuous.
Summary of the invention
It is an object of the invention to as ensureing that EGT is stable at design parameter, thus ensure that heat boiler outlet steam is joined
Number reaches medium temperature and medium pressure, it is ensured that high generation efficiency, and provides one to have more than preposition fin panel casing afterburning burner hearth vertical industrial silicon
Heat boiler.
For achieving the above object, the technical solution adopted in the present invention is: one has preposition fin panel casing afterburning burner hearth
Vertical industrial silicon waste heat boiler, including drum, afterburning burner hearth and tail vertical well gas flue, down-comer, fairlead, aqueduct；Afterbody
In vertical well gas flue sequentially into upper and have superheater, vaporizer, economizer, set evaporator header on an evaporator and
Evaporator outlet header, outlet flue；Afterburning burner hearth is provided with smoke inlet, ethanol combustor, explosion proof door, membrane wall lower header, membrane type
Wall upper collecting chamber；Described ethanol combustor is located on afterburning burner hearth side wall and is positioned at the top of smoke inlet, and described explosion proof door sets
On afterburning burner hearth and be positioned above；One end of described down-comer is connected with drum, and the other end is through evaporator collection
Case is connected with the membrane wall lower header being located at afterburning burner hearth bottom, and one end of described two-way fairlead is all connected with drum, separately
One end respectively with evaporator outlet header and be located at the membrane wall upper collecting chamber of afterburning roof of the furnace and be connected, in described tail vertical well
The lower side of flue is provided with outlet flue, and one end of described aqueduct is connected with drum, and the other end is connected with economizer.
In the present invention, first, when EGT is less than design load, ethanol combustor starts automatically, improves flue gas with this
Temperature, it is ensured that flue-gas temperature is stable in design flue-gas temperature.When EGT is higher than design load, fin panel casing afterburning burner hearth
Absorb waste-gas heat, be lowered into superheater flue-gas temperature, it is ensured that Safety of Superheater.Second, afterburning burner hearth of the present invention uses water
The full overhung construction of cold membrane wall.Afterburning lower furnace portion sets smoke inlet, and smoke inlet top afterburning burner hearth side wall arranges ethanol combustor,
Afterburning chamber upper furnace sets explosion proof door.All aperture of doors all use metalwork secondary seal, good seal performance, are possible to prevent high temperature cigarette
Diarrhea due to stagnation of QI dew and radiation loss.3rd, vertical well gas flue of the present invention uses the water cooled membrane wall full overhung construction of bag wall；Superheater
Tube bank is arranged in vertical well gas flue, it is to avoid make because the most not producing steam during boiler startup that superheater is overheated burns out, and reduces
Boiler startup time.4th, the vaporizer in afterburning burner hearth fin panel casing of the present invention and vertical well gas flue collectively forms evaporation
Heating surface, forms the closed circuit of Guan Bi, vapourizing furnace water, it is ensured that boiler output by down-comer and fairlead with drum.Therefore,
Compared with prior art, due to the fact that have employed fin panel casing afterburning burner hearth, vertical well gas flue top sets fin panel casing bag
Wall, vertical well gas flue bottom use steel panel externally-packed structure, and whole exhaust gases passes are seal welding structure, the sealing property of boiler
Good；Owing to being provided with fin panel casing before superheater, after high-temperature flue gas first passes through the cooling of fin panel casing afterburning burner hearth, then enter
Enter superheater, reduce superheater import cigarette temperature, it is to avoid during boiler startup, superheater is overheated burns out, and shortens the startup time；
The place easily assembled at fuel gas is provided with explosion proof door, improves the safety of boiler；Boiler vertical type is arranged, takes up an area and saves, by
In using full film type wall afterburning burner hearth, the brickwork time is short, and difficulty is little.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
As it is shown in figure 1, one has preposition fin panel casing afterburning burner hearth vertical industrial silicon waste heat boiler in the present embodiment, bag
Include drum 7, afterburning burner hearth 3 and tail vertical well gas flue 9, down-comer 4, fairlead 6, aqueduct 8；In tail vertical well gas flue 9 successively
It is provided with superheater 10, vaporizer 11, economizer 12, the evaporator header 15 being located on vaporizer 11 and evaporation from top to down
Device outlet header 16, outlet flue 13；Afterburning burner hearth 3 is provided with smoke inlet 1, ethanol combustor 2, explosion proof door 5, membrane wall lower header
14, membrane wall upper collecting chamber 17；Described ethanol combustor 2 is located on afterburning burner hearth 3 side wall and is positioned at the top of smoke inlet 1, institute
The explosion proof door 5 stated is located on afterburning burner hearth 3 and is positioned above；One end of described down-comer 4 is connected with drum 7, the other end
It is connected with the membrane wall lower header 14 being located at bottom afterburning burner hearth 3 through evaporator header 15, described two-way fairlead 6
One end be all connected with drum 7, the other end respectively with evaporator outlet header 16 and be located at afterburning burner hearth 3 top membrane wall on
Header 17 connects, and the lower side in described tail vertical well gas flue 9 is provided with outlet flue 13, one end of described aqueduct 8 with
Drum 7 connects, and the other end is connected with economizer 12.
The operating process of the present invention and principle: when in the present invention, high-temp waste gas is entered by fin panel casing afterburning lower furnace portion
Entering, the high-temperature flue gas that high-temp waste gas and ethanol combustor produce mixes at afterburning burner hearth, produces and meet design and require cigarette after mixing
The flue gas of temperature, mixed flue gas from bottom to top 180 ° turn to after, then flue gas is downwardly in vertical well gas flue and arranges superheater,
Vaporizer and economizer.
The high-temperature flue gas that metal-silicon furnace produces enters preposition afterburning burner hearth 3 from the smoke inlet 1 of the present invention, burns with methanol
The high-temperature flue gas mixing that device 2 produces is up, and high-temperature flue gas is through afterburning burner hearth 3 heat release, and after being down to uniform temperature, 180 ° turn to laggard
Enter tail vertical well gas flue 9, wash away the most successively be disposed therein superheater 10, vaporizer 11, economizer 12, discharge big portion
Discharged boiler by outlet flue 13 after dividing heat energy, after removing dust phyletic evolution, enter air.
Feed water after economizer 12 heats, aqueduct 8 enter drum 7.The down-comer 4 drawn from drum 7 bottom enters
The membrane wall lower header 14 of afterburning burner hearth and evaporator header 15, produce steam water interface after absorbing heat, then enter
Membrane wall upper collecting chamber 17 and evaporator outlet header 16, finally entered drum 7 by fairlead 6 and produce saturated steaming through steam-water separator
Vapour, saturated vapor enters superheater and produces the superheated steam output of medium temperature and medium pressure.
Preposition membrane wall afterburning burner hearth 3, superheater 10, vaporizer 11 and economizer 12 use steel channel structure.All
Exhaust gases passes is seal welding structure, it is to avoid leaks out and dispels the heat, it is ensured that boiler safety, Effec-tive Function.
Flue gas first passes through preposition membrane wall afterburning burner hearth 3, rear entrance superheater 10, reduces high temperature superheater import cigarette
Temperature, thus reduce tube wall temperature, it is overheated that the saturated vapor entrance superheater 10 that the most preposition membrane wall afterburning burner hearth 3 produces cools down
Device pipe, it is to avoid the dry combustion method in superheater start-up course, it is ensured that superheater long-term safety is run.
When flue-gas temperature is less than design load, the ethanol combustor 2 being arranged on preposition membrane wall afterburning burner hearth 3 produces height
Temperature flue gas mixes with waste heat flue gas, improves superheater import cigarette temperature, thus ensures stably to produce the overheated steaming of qualified medium temperature and medium pressure
Vapour, it is ensured that afterheat generating system high-efficiency operation.
Claims (1)
1. there is a preposition fin panel casing afterburning burner hearth vertical industrial silicon waste heat boiler, it is characterized in that: include drum (7), mend
Burner thorax (3) and tail vertical well gas flue (9), down-comer (4), fairlead (6), aqueduct (8), tail vertical well gas flue depend in (9)
Secondary it is provided with superheater (10), vaporizer (11), economizer (12), the evaporator collection that is located on vaporizer (11) from top to down
Case (15) and evaporator outlet header (16), outlet flue (13)；Afterburning burner hearth (3) be provided with smoke inlet (1), ethanol combustor (2),
Explosion proof door (5), membrane wall lower header (14), membrane wall upper collecting chamber (17)；Described ethanol combustor (2) is located at afterburning burner hearth
(3), on side wall and be positioned at the top of smoke inlet (1), it is upper and be positioned above that described explosion proof door (5) is located at afterburning burner hearth (3)；
One end of described down-comer (4) is connected with drum (7), the other end through evaporator header (15) be located at afterburning burner hearth
(3) the membrane wall lower header (14) of bottom connects, and one end of described two-way fairlead (6) is all connected with drum (7), the other end
Respectively with evaporator outlet header (16) and be located at the membrane wall upper collecting chamber (17) at afterburning burner hearth (3) top and be connected, described
The lower side of tail vertical well gas flue (9) is provided with outlet flue (13), and one end of described aqueduct (8) is connected, separately with drum (7)
One end is connected with economizer (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610649959.7A CN106122915A (en) | 2016-08-09 | 2016-08-09 | One has preposition fin panel casing afterburning burner hearth vertical industrial silicon waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610649959.7A CN106122915A (en) | 2016-08-09 | 2016-08-09 | One has preposition fin panel casing afterburning burner hearth vertical industrial silicon waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106122915A true CN106122915A (en) | 2016-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610649959.7A Pending CN106122915A (en) | 2016-08-09 | 2016-08-09 | One has preposition fin panel casing afterburning burner hearth vertical industrial silicon waste heat boiler |
Country Status (1)
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| CN (1) | CN106122915A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201582776U (en) * | 2009-12-28 | 2010-09-15 | 抚顺石油机械有限责任公司 | Afterburning catalytic waste heat boiler |
| CN102635844A (en) * | 2012-05-14 | 2012-08-15 | 中江能源回收(上海)有限公司 | Boiler system using waste heat of flue gas of rotary hearth furnace |
| CN205957122U (en) * | 2016-08-09 | 2017-02-15 | 太原锅炉集团有限公司 | There is leading membrane wall to mend vertical industrial silicon exhaust -heat boiler of furnace thorax |
-
2016
- 2016-08-09 CN CN201610649959.7A patent/CN106122915A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201582776U (en) * | 2009-12-28 | 2010-09-15 | 抚顺石油机械有限责任公司 | Afterburning catalytic waste heat boiler |
| CN102635844A (en) * | 2012-05-14 | 2012-08-15 | 中江能源回收(上海)有限公司 | Boiler system using waste heat of flue gas of rotary hearth furnace |
| CN205957122U (en) * | 2016-08-09 | 2017-02-15 | 太原锅炉集团有限公司 | There is leading membrane wall to mend vertical industrial silicon exhaust -heat boiler of furnace thorax |
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Application publication date: 20161116 |