CN108518664A - One kind matching the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical - Google Patents
One kind matching the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical Download PDFInfo
- Publication number
- CN108518664A CN108518664A CN201810553117.0A CN201810553117A CN108518664A CN 108518664 A CN108518664 A CN 108518664A CN 201810553117 A CN201810553117 A CN 201810553117A CN 108518664 A CN108518664 A CN 108518664A
- Authority
- CN
- China
- Prior art keywords
- superheater
- economizer
- boiler
- reheater
- burner hearth
- 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
Links
- 239000003077 lignite Substances 0.000 title claims abstract description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003546 flue gas Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000004913 activation Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
- F22B1/22—Methods of steam generation characterised by form of heating method using combustion under pressure substantially exceeding atmospheric pressure
-
- 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
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G1/00—Steam superheating characterised by heating method
- F22G1/02—Steam superheating characterised by heating method with heat supply by hot flue gases from the furnace of the steam boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- 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
- F23L15/04—Arrangements of recuperators
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
Abstract
One kind of the present invention being related to a kind of boiler with the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical, and in particular to a kind of tower boiler using damper adjustment.It is difficult the problem of so that reheater is reached design value that purpose, which is in order to which the original boiler overcome adjusts steam steam temperature means, it provides a kind of with the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical, including boiler body, economizer system, superheater system and reheater system are equipped in the burner hearth of the boiler body, the advantage of the more traditional level-one economizer arrangement of arrangement of the economizer system of the present invention is to ensure that boiler full load throws denitration, the efficiency of raising boiler controller system entirety；Two-stage superheater is arranged in before midfeather, by gas proportioning damper come adjust the flue gas ratio between superheater and reheater be finally reached adjust steam steam temperature purpose, more can guarantee that reheater reaches design value.
Description
Technical field
The present invention relates to a kind of boilers, and in particular to a kind of tower boiler using damper adjustment.
Background technology
The lignite resource rich reserves in China, fan mill have good adaptability for high water content brown coal.And tower pot
Stove is more suitable for the arrangement of fan mill, but tower boiler at this stage, using watering temperature adjustment mode, but adopts
With the boiler of watering temperature adjustment, this regulative mode is difficult that reheater is made to reach design value；And traditional economizer arrangement, only
Level-one is arranged, can not ensure that full load throws denitration, inefficiency.
Invention content
It is difficult that reheater is made to reach design to adjust steam steam temperature means the purpose of the invention is to the original boiler overcome
The problem of value, provides a kind of with the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical.
One kind of the present invention matching the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical, including boiler sheet
Body, the burner hearth of the boiler body is interior to be equipped with economizer system, superheater system and reheater system, and the top of burner hearth is equipped with isolation
Wall, for flue gas to be divided into two-way；The top of divider wall is equipped with gas proportioning damper, the flue gas ratio for adjusting divider wall both sides
Example；
Economizer system includes burner hearth economizer and flue economizer, and burner hearth economizer and flue economizer pass through economizer
Connecting tube connects；Burner hearth economizer is set between divider wall and gas proportioning damper, and flue economizer is set to denitration SCR reactors
In exhaust pass；The stove internal heating surface of the economizer system is in-line arrangement；
Superheater system includes primary superheater, two-stage superheater and three-stagesuperheater and primary superheater, secondary superheater
Device passes sequentially through superheater connecting tube with three-stagesuperheater and connects；
Primary superheater includes primary superheater entrance tube panel and primary superheater outlet tube panel；Primary superheater inlet tube
The first order for the lower furnace portion that screen is set between burner hearth economizer and gas proportioning damper, primary superheater outlet tube panel is set to is changed
At hot face；
Reheater system includes level-one reheater and final reheater and level-one reheater and final reheater pass through reheating
Device connecting tube connects；
Primary superheater export tube panel top along flue gas flow direction successively be equipped with three-stagesuperheater, final reheater and every
From wall, the side of the divider wall is equipped with two-stage superheater, the other side is equipped with level-one reheater.
The beneficial effects of the invention are as follows：
1, the advantage of the more traditional level-one economizer arrangement of the arrangement of economizer system is to ensure that boiler full load is thrown
Denitration improves the efficiency of boiler controller system entirety；
2, two-stage superheater is arranged in before midfeather, by gas proportioning damper come adjust superheater and reheater it
Between flue gas ratio come be finally reached adjust steam steam temperature purpose, more can guarantee that reheater reaches design value, relative to original
For single burner swing temperature adjustment and watering temperature adjustment mode, this scheme enriches the regulating measure of reheater steam temperature.
Description of the drawings
Fig. 1 is a kind of structure with the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical of the present invention
Schematic diagram.
Specific implementation mode
Specific implementation mode one
One kind of the present invention matching the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical, including boiler sheet
Body, is equipped with economizer system, superheater system and reheater system in the burner hearth 1 of the boiler body, the top of burner hearth 1 be equipped with every
From wall 2, for flue gas to be divided into two-way；The top of divider wall 2 is equipped with gas proportioning damper 3, for adjusting 2 both sides of divider wall
Flue gas ratio；
Economizer system includes burner hearth economizer 4 and flue economizer 5, and burner hearth economizer 4 and flue economizer 5 pass through province
Coal device connecting tube connects；Burner hearth economizer 4 is set between divider wall 2 and gas proportioning damper 3, and flue economizer 5 is set to denitration
In SCR reactor outlets flue 6；The stove internal heating surface of the economizer system is in-line arrangement；
Superheater system includes primary superheater 7, two-stage superheater 8 and three-stagesuperheater 9 and primary superheater 7, two level
Superheater 8 passes sequentially through superheater connecting tube with three-stagesuperheater 9 and connects；
Primary superheater 7 includes that primary superheater entrance tube panel 10 and primary superheater export tube panel 11；Primary superheater
The burner hearth 1 that entrance tube panel 10 is set between burner hearth economizer 4 and gas proportioning damper 3, primary superheater outlet tube panel 11 is set to
At the first order heat-transfer surface of lower part；
Primary superheater 7 includes that primary superheater entrance tube panel 10 and primary superheater export tube panel 11, is arranged in burner hearth
At top or furnace outlet smokestack, the direct radiant heat in stove was not only received, but also absorb the heating surface of the advection heat of flue gas.Level-one mistake
Relatively large distance is kept between hot device entrance tube panel 10 and primary superheater outlet 11 liang of screens of tube panel, reduction furnace outlet flue gas can be played
The effect of temperature and crust block prevents subsequent Boiler Heating Surfaces.High superheated steam temperature can be born, practical and stable, the service life
It is long.
Reheater system includes level-one reheater 13 and final reheater 12 and level-one reheater 13 and final reheater 12
It is connected by reheater connecting tube；
The top that primary superheater exports tube panel 11 is equipped with three-stagesuperheater 9, final reheater successively along the flow direction of flue gas
12 and divider wall 2, the side of the divider wall 2 is equipped with two-stage superheater 8, the other side is equipped with level-one reheater 13.
Superheater system is used to steam being further heated to overtemperature from saturation temperature, reheater system by steam from
The intergrade of steam turbine is drawn, and is reheated.Meanwhile divider wall 2 is equipped in burner hearth, it is separated out former and later two in burner hearth
Vertical shaft, and two-stage superheater 8 is mounted on the side (on front side of burner hearth) of divider wall 2, and level-one reheater 13 is mounted on divider wall 2
The other side (on rear side of burner hearth), 2 top of divider wall are equipped with gas proportioning damper 3, which is driven by transmission mechanism
Coordinate and level of coverage of the gas proportioning damper 3 to 2 both sides of divider wall is controlled by outworker, and then adjusts isolation
The flue gas ratio of 2 both sides of wall.
By adjusting the flue gas ratio of 2 both sides of divider wall, the two-stage superheater 8 and level-one of 2 both sides of divider wall can be adjusted
Steam steam temperature in reheater 13.
Specific implementation mode two
Difference lies in primary superheater entrance tube panel 10 and level-ones with specific implementation mode one for present embodiment two
Superheater outlet tube panel 11 is connected and fixed by hanging pipe.
Specific implementation mode three
Difference lies in burner hearth 1 includes water screen system, water-cooling wall to present embodiment three with specific implementation mode one
System includes Spiral Coil Waterwall 14 and vertical water wall 15, Spiral Coil Waterwall 14 as burner hearth 1 middle part and
Lower part, top of the vertical water wall 15 as burner hearth 1, and between Spiral Coil Waterwall 14 and vertical water wall 15
It is connected by mixing header.
Burner hearth is surrounded by water screen system, which includes two parts, i.e. vertical water wall 15 and spiral
Pipeloop water-cooling wall 14, one mixing header of the two are boundary.
Specific implementation mode four
Difference lies in go back activation system, the activation system to present embodiment four with specific implementation mode one or three
Including starting separator 19, water storage tank, air flash vessel and drain tank, the one end and superheater system for starting separator 19 connect
It connects, the other end and water storage tank, air flash vessel, drain tank are sequentially connected.
Activation system connects water screen system and superheater system, is used for the underrun of boiler.
Specific implementation mode five
Difference lies in go back combustion system, the combustion system to present embodiment five with specific implementation mode one or three
Including main burner 17 and separation burnout degree SOFA burners 18, main burner 17 and SOFA burners 18 are set under burner hearth
Portion and SOFA burners 18 are located at the top of main burner 17.
Combustion system is set to the corner for the burner hearth that water screen system is surrounded, and flame is fired in freeze profile at the octagonal circle of contact
It burns.
Specific implementation mode six
Difference lies in further include air preheater 20, cigarette to present embodiment six with specific implementation mode one or three
Road and air duct 22, flue and air duct 22 connect with air preheater 20 and in air duct 22 air by air preheater 20 with
Flue gas heat exchange in flue.
Specific implementation mode seven
Difference lies in three-stagesuperheater 9 and final stage reheating with specific implementation mode one or three for present embodiment eight
Device 12 is arranged in the high smoke temperature area of burner hearth 1.
Above-mentioned high smoke temperature area is located at the top of the first order heat-transfer surface of burner hearth.
The invention also includes flue gas recirculation system, including high-temperature flue gas recirculating gas duct 23 and exporting cigarette from preheater
The low-temperature flue gas recirculating gas duct that deduster rear pass after road 16 is drawn.
Claims (7)
1. one kind matching the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical, including boiler body, the boiler
Economizer system, superheater system and reheater system are equipped in the burner hearth (1) of ontology, which is characterized in that
The top of burner hearth (1) is equipped with divider wall (2), for flue gas to be divided into two-way；The top of divider wall (2) is adjusted equipped with flue gas
Baffle (3), the flue gas ratio for adjusting divider wall (2) both sides；
Economizer system includes burner hearth economizer (4) and flue economizer (5), and burner hearth economizer (4) and flue economizer (5) are logical
Cross the connection of economizer connecting tube；Burner hearth economizer (4) is set between divider wall (2) and gas proportioning damper (3), flue economizer
(5) it is set in denitration SCR reactor outlets flue (6)；The stove internal heating surface of the economizer system is in-line arrangement；
Superheater system include primary superheater (7), two-stage superheater (8) and three-stagesuperheater (9) and primary superheater (7),
Two-stage superheater (8) passes sequentially through superheater connecting tube with three-stagesuperheater (9) and connects；
Primary superheater (7) includes primary superheater entrance tube panel (10) and primary superheater outlet tube panel (11)；Level-one overheats
Device entrance tube panel (10) is set between burner hearth economizer (4) and gas proportioning damper (3), primary superheater outlet tube panel (11) is set
In burner hearth (1) lower part first order heat-transfer surface at；
Reheater system includes level-one reheater (13) and final reheater (12) and level-one reheater (13) and final reheater
(12) it is connected by reheater connecting tube；
The top that primary superheater exports tube panel (11) is equipped with three-stagesuperheater (9), final reheater successively along the flow direction of flue gas
(12) and divider wall (2), the side of the divider wall (2) are equipped with two-stage superheater (8), the other side equipped with level-one reheater (13).
2. one kind according to claim 1 matches the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical,
It is characterized in that, primary superheater entrance tube panel (10) and primary superheater outlet tube panel (11) are connected and fixed by hanging pipe.
3. one kind according to claim 1 matches the big tower damper adjustment boiler using brown coal of the efficient ultra supercritical of 1 capacity of fan mill,
It is characterized in that, burner hearth (1) includes water screen system, water screen system includes Spiral Coil Waterwall (14) and vertical tube coil water
Cold wall (15), middle part and lower part of the Spiral Coil Waterwall (14) as burner hearth (1), vertical water wall (15) are used as burner hearth
(1) top, and connected by mixing header between Spiral Coil Waterwall (14) and vertical water wall (15).
4. according to claim 1 or 3 a kind of with the tower damper adjustment lignite pot of fan mill high capacity highly effective ultra supercritical
Stove, which is characterized in that further include activation system, the activation system include start separator (19), water storage tank, air flash vessel and
Drain tank, the one end for starting separator (19) connect with superheater system, the other end and water storage tank, air flash vessel, drain tank
It is sequentially connected.
5. according to claim 1 or 3 a kind of with the tower damper adjustment lignite pot of fan mill high capacity highly effective ultra supercritical
Stove, which is characterized in that further include combustion system, which includes main burner (17) and separation burnout degree SOFA burners
(18), main burner (17) and SOFA burners (18) are set to the lower part of burner hearth and SOFA burners (18) are located at main burning
The top of device (17).
6. according to claim 1 or 3 a kind of with the tower damper adjustment lignite pot of fan mill high capacity highly effective ultra supercritical
Stove, which is characterized in that further include air and gas system, which includes air preheater (20), flue and air duct (22), flue
It is connect with air preheater (20) with air duct (22) and air duct (22) interior air passes through cigarette in air preheater (20) and flue
Gas exchanges heat.
7. according to claim 1 or 3 a kind of with the tower damper adjustment lignite pot of fan mill high capacity highly effective ultra supercritical
Stove, which is characterized in that three-stagesuperheater (9) and final reheater (12) are arranged in the high smoke temperature area of burner hearth (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553117.0A CN108518664A (en) | 2018-05-31 | 2018-05-31 | One kind matching the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553117.0A CN108518664A (en) | 2018-05-31 | 2018-05-31 | One kind matching the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108518664A true CN108518664A (en) | 2018-09-11 |
Family
ID=63427896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810553117.0A Pending CN108518664A (en) | 2018-05-31 | 2018-05-31 | One kind matching the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518664A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442375A (en) * | 2018-10-09 | 2019-03-08 | 中国神华能源股份有限公司 | Boiler system |
| CN109945158A (en) * | 2019-03-25 | 2019-06-28 | 哈尔滨锅炉厂有限责任公司 | One kind liquidates tower 660MW double reheat boiler |
| CN110332514A (en) * | 2019-08-22 | 2019-10-15 | 哈尔滨锅炉厂有限责任公司 | A kind of efficient wide load double reheat tower-type furnace economizer hierarchical arrangement system |
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| CN102679307A (en) * | 2012-06-08 | 2012-09-19 | 哈尔滨锅炉厂有限责任公司 | 1000MW supercritical tower lignite boiler |
| CN102889570A (en) * | 2012-09-11 | 2013-01-23 | 上海锅炉厂有限公司 | Tower-type boiler with primary reheater and secondary reheater |
| CN102997214A (en) * | 2012-12-26 | 2013-03-27 | 哈尔滨锅炉厂有限责任公司 | 1,000MW ultra-supercritical tower type baffle bitangent circular boil and working method |
| CN208365496U (en) * | 2018-05-31 | 2019-01-11 | 哈尔滨锅炉厂有限责任公司 | One kind matching the tower damper adjustment boiler using brown coal of fan mill high capacity highly effective ultra supercritical |
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2018
- 2018-05-31 CN CN201810553117.0A patent/CN108518664A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442375A (en) * | 2018-10-09 | 2019-03-08 | 中国神华能源股份有限公司 | Boiler system |
| CN109945158A (en) * | 2019-03-25 | 2019-06-28 | 哈尔滨锅炉厂有限责任公司 | One kind liquidates tower 660MW double reheat boiler |
| CN110332514A (en) * | 2019-08-22 | 2019-10-15 | 哈尔滨锅炉厂有限责任公司 | A kind of efficient wide load double reheat tower-type furnace economizer hierarchical arrangement system |
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Application publication date: 20180911 |
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