WO2014127617A1 - 双火球八角直流燃烧器煤粉浓淡分离布置方式 - Google Patents
双火球八角直流燃烧器煤粉浓淡分离布置方式 Download PDFInfo
- Publication number
- WO2014127617A1 WO2014127617A1 PCT/CN2013/082335 CN2013082335W WO2014127617A1 WO 2014127617 A1 WO2014127617 A1 WO 2014127617A1 CN 2013082335 W CN2013082335 W CN 2013082335W WO 2014127617 A1 WO2014127617 A1 WO 2014127617A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pulverized coal
- coal
- burners
- nozzle
- furnace
- Prior art date
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
- F23C5/08—Disposition of burners
- F23C5/10—Disposition of burners to obtain a flame ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
- F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
- F23C6/045—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection with staged combustion in a single enclosure
- F23C6/047—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection with staged combustion in a single enclosure with fuel supply in stages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/02—Pneumatic feeding arrangements, i.e. by air blast
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2201/00—Staged combustion
- F23C2201/10—Furnace staging
- F23C2201/101—Furnace staging in vertical direction, e.g. alternating lean and rich zones
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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
Definitions
- Double fireball octagonal DC burner pulverized coal separation scheme Double fireball octagonal DC burner pulverized coal separation scheme
- the invention relates to a double fireball octagonal direct current burner pulverized coal separation and arrangement method for burning anthracite, belonging to the technical field of pulverized coal combustion devices. Background technique
- China's proven coal reserves are about 640 billion tons, of which low-volatility anthracite accounts for about 14.6% of total coal reserves.
- the burning of anthracite in thermal power plants in China accounts for about 3% of the total coal used for power generation, and this figure is still increasing.
- Anthracite has low volatile content, low hydrogen content, high ignition temperature, and slow flame propagation. If the combustion structure is not good, it is prone to low-load combustion instability. When the coal quality deteriorates, the high load of the boiler is easily extinguished. The combustion efficiency is generally lower.
- anthracite coal at home and abroad uses W flame boilers, four-corner tangentially fired boilers, and front and rear wall counter-rotating rotary combustion boilers.
- the maximum capacity of W flame boiler is 600MW.
- the maximum capacity of the four-corner tangentially fired boiler and the front and rear wall counter-rotating combustion boiler is 300MW.
- the number of pulverized coal nozzles corresponding to a single coal mill is 50% to 100% higher than that of a 300MW ⁇ 600MW boiler due to the limitation of the thermal power of a single pulverized coal nozzle.
- the number of pulverized coal nozzles for a single coal mill is 8 and the total number of pulverized coal nozzles is 48. .
- the number of single-angle primary pulverized coal nozzles is twelve, and the burner is divided into two to three groups in the vertical direction, which results in the top and bottom of the burner.
- the distance between the two primary pulverized coal nozzles is large, the thermal load qnr of the burner area is low, and the combustion temperature in this area is low, which is not conducive to the timely and stable ignition of the anthracite gas flow and the boiler. Do not put oil and low load and stabilize combustion.
- FIG. 1 and Figure 2 illustrate the existing tangential arrangement of the burner with a 1000 MW ultra-supercritical tower boiler as an example.
- Fig. 2 is a cross-sectional view taken along line ⁇ - ⁇ of Fig. 1
- Fig. 1 is a cross-sectional view taken along line I - I of Fig. 2.
- This arrangement includes a boiler body 1, a furnace 2, a coal mill 3, a pulverized coal pipe 4, a primary pulverized coal nozzle 5, and a secondary air nozzle 6.
- Each boiler 1 is equipped with six coal mills 3, numbered A, B, C, D, E, F.
- the grate 2 is composed of four sides of water wall , and a set of burners 8 are arranged at each corner of the grate 2, and the nozzle center line of the horn burner 8 forms an imaginary tangential circle 9 in the grate 2 .
- Each group of burners 8 is further divided into three groups of small burners in the vertical direction, separated by a certain distance.
- Each group of small burners is composed of four primary air pulverized coal nozzles 5 and six secondary air nozzles 6. That is, 12 primary air pulverized coal nozzles 5 and 18 secondary air nozzles 6 are arranged at intervals in the vertical direction.
- 12 primary air pulverized coal nozzles 5 of No. 1 angle are numbered Al-1, Al-2, B1-1, Bl-.
- the coal mill 3 is connected to the primary pulverized coal nozzle 5 through the pulverized coal pipe 4, and each pulverized coal machine 3 outlet has four pulverized coal pipes 4, and each pulverized coal pipe 4 passes through a pulverized coal distributor 10 and the same
- Two primary air pulverized coal nozzles 5 adjacent to the elevation are connected, such as the coal mill 3 numbered A and numbered A1-1, Al-2, A2-1, A2-2, A3-1, A3-2 , A4-1, A4-2 a total of eight primary air pulverized coal nozzles 5 connection.
- each group of burners 8 is arranged with 12 primary air pulverized coal nozzles 5 arranged in the vertical direction, the wall surface heat load qnr of the burner zone is low and cannot meet the requirements of anthracite combustion.
- the object of the present invention is to provide a double fireball octagonal direct current burner pulverized coal dust separation arrangement mode in which the wall area thermal load qnr of the burner region is high.
- the technical proposal of the present invention provides a double fireball octagonal direct current burner pulverized coal separation and arrangement method for burning anthracite, including a boiler body, a furnace, a coal mill, a concentration separator, a pulverized coal pipeline, Primary air/concentrated pulverized coal nozzle, primary air/light coal powder nozzle, each boiler body is equipped with at least one coal pulverizer, and the furnace is composed of four sides of water wall, characterized in that each boiler is arranged with eight groups of burners, eight groups The burners are at the same elevation, with four burners forming a first imaginary tangential circle in the furnace and the other four burners forming another second imaginary tangential circle in the furnace; each set of burners is divided into two in the vertical direction.
- the first group of burners is located in the lower part of the furnace. Arranging at least one primary air/concentrated pulverized coal nozzle and two secondary air nozzles in a vertical direction, the second group of burners is called a “primary wind/light coal powder” burner, located in the “primary wind/concentrated coal powder” burner In the upper part, at least one primary air/pale pulverized coal nozzle and two secondary air nozzles are arranged in a vertical direction; each of the coal mill outlets has four coarse pulverized coal pipes, and each pulverized coal pipe passes through a pulverized coal distributor Divided into two fine pulverized coal pipes, each of which has eight fine pulverized coal pipes connected to eight sets of burners; each fine pulverized coal pipe passes through a concentrated pulverized coal separation device.
- the concentrated pulverized coal pipeline is connected with the above-mentioned one primary/concentrated coal powder nozzle;
- the pale coal powder pipeline is connected with the above one primary/light coal powder nozzle.
- the pulverized coal pipeline at the outlet of the coal mill separates the primary air/pulverized coal by a rich and light separator, and is divided into 80% coal powder and 50% primary air "concentrated” pulverized coal gas flow, and the remaining 20 of the road. % of pulverized coal and 50% of the primary air "light” pulverized coal gas stream are fed into the furnace structure through a primary air/concentrated pulverized coal nozzle and a primary/low pulverized coal nozzle.
- the intersection of the center line of the primary air concentrated pulverized coal nozzle or the primary air pulverized coal powder nozzle disposed on the front and rear walls of the burner on the front and rear walls and the water-cooled wall is located at the corner of the nearest furnace
- the center line of the primary air pulverized coal powder nozzle or the primary air pulverized coal powder nozzle of the burner disposed on the front and rear walls has an intersection with the center line of the water wall, and the intersection is connected with the first imaginary circle or the second
- the primary air powder mixing temperature can reach 220 ⁇ 250° C, and the primary air ratio is 14 ⁇ 15%. It can separate the waste gas containing water from the primary air, and send it into the furnace from the upper part of the burner to reduce the heat of pulverized coal.
- the intermediate storage hot air feeding system is used to successfully burn anthracite on 50 ⁇ 300MW boiler. key.
- the invention adopts the "medium speed grinding or double-inlet double-out direct-blowing pulverizing system with pulverized coal concentration and light separation device", and the main principle is to add a pulverized coal separation and separation on each pulverized coal pipe at the outlet of the coal pulverizer.
- the device separates the primary air/pulverized coal into 80% pulverized coal and 50% primary air "concentrated” pulverized coal gas stream, and the remaining 20% pulverized coal and 50% of the primary wind "light”
- the pulverized coal gas stream is sent to the furnace structure for combustion through the "concentrated primary air/pulverized coal” nozzle and "light primary air/pulverized coal” of the burner.
- the ratio of the air-to-powder ratio and the primary air ratio of the concentrated primary air/pulverized coal is better than that of the intermediate storage and heating air.
- the corresponding parameters of the powder feeding system at the same time, 50%-secondary wind containing half of the water is separated and sent to the furnace from the light primary air/pulverized coal nozzle on the upper part of the burner, although the mixing temperature of the primary air powder is higher than that in the middle.
- the mixing temperature of the primary air powder in the warehousing hot air feeding system is low, but this design shows that the heat of the (concentrated) pulverized coal gas flow is basically the same as that of the intermediate storage hot air feeding system. , thus ensuring a stable ignition of the concentrated pulverized coal gas stream.
- the invention adopts an arrangement of 8 pulverized primary air/pulverized coal nozzles of the same layer and 8 light primary air/pulverized coal nozzles in the same layer through the pulverized coal gas flow of each grinding outlet, and satisfies the whole set
- the concentration of pulverized coal in the concentrated pulverized coal area is increased, so that the wall heat load qnr of the lower burner area is higher.
- the combustion temperature in this area can meet the requirements of anthracite ignition and stable combustion, and the timely ignition of the anthracite powder gas flow is ensured.
- the boiler does not oil and low load and stable combustion.
- the spacing between the burner's lightest primary pulverized coal powder nozzle and the lowest concentrated primary pulverized coal powder nozzle is controlled within the ideal range, which also satisfies the premise of the last pulverized coal powder nozzle to the furnace outlet screen spacing and anthracite combustion efficiency.
- the lowering of the overall height of the boiler greatly reduces the manufacturing cost of the boiler and reduces the emission of nitrogen oxides from the boiler.
- Eight sets of burners are arranged on the water wall of the front and rear walls of the boiler. Compared with the four sets of burners arranged at four corners, the distance from the nozzle exit to the downstream adjacent airflow is shorter, so that a lower primary coal can be used.
- the powder airflow speed is conducive to the timely ignition of the anthracite powder airflow and the boiler does not oil and low load stable combustion. Second time The wind speed can also be reduced, which is beneficial to reduce the residual swirl strength of the fireball and the smoke temperature deviation at the exit of the furnace.
- FIG. 1 is a plan view showing a prior art burner arrangement, taken along line I - I of Fig. 2;
- Fig. 2 is a cross-sectional view taken along line ⁇ - ⁇ of Fig. 1;
- Figure 3 is a medium speed grinding or double inlet double outlet direct blowing type pulverizing system with pulverized coal concentration and light separation device
- Fig. 4 is a separation and arrangement of pulverized coal ash separation of double fireball octagonal direct current burner for burning anthracite provided by the present invention Plan of the mode, with six coal mills, each coal mill is connected to the same level of concentrated pulverized coal nozzle (or pale coal powder nozzle) through the pulverized coal distributor and the concentration separator, which is the I-I cross-sectional view of Figure 5. ;
- Fig. 5 is an elevational view showing a pulverized separation arrangement of a double fireball octagonal direct current burner for burning anthracite coal according to the present invention, which is a cross-sectional view of Fig. 4; detailed description
- Fig. 4 is a cross-sectional view taken along line I - I of Fig. 5
- Fig. 5 is a cross-sectional view taken along line ⁇ -II of Fig. 4.
- the invention provides a double fireball octagonal direct current burner pulverized coal separation and arrangement for burning anthracite, including boiler body 1, furnace 2, coal mill 3, pulverized coal separator 4, pulverized coal pipeline 5, primary air/concentration Pulverized coal nozzle 6, primary air/light coal powder nozzle 7, secondary air nozzle 8, pulverized coal concentration separator 13.
- Each boiler body 1 is equipped with six coal mills 3, which are a first coal mill A, a second coal mill B, and a third coal mill (:, a fourth coal mill 0, a fifth coal mill E And the sixth coal mill F.
- the furnace 2 is composed of four sides of the water wall 9, four sets of burners 10 are arranged on the front wall water wall 9 of the furnace 2, and four groups are arranged on the water wall 9 of the back wall of the furnace 2.
- Burner 10 each set of eight burners 10, respectively, is called No. 1 Horn Burner, No. 2 Horn Burner, No. 3 Horn Burner, No. 4 Horn Burner, No. 5 Horn Burner, No. 6 Horn Burner, No. 7 Horn Burner , 8th Horn Burner.
- No.1 Horn, No.2 Horn, No.3 Horn, No.8 Horn Four Group Burner 10
- a first imaginary tangential circle 11 is formed in the furnace, and the four burners 10 of the fourth horn, the fifth horn, the sixth horn and the seventh horn form a second imaginary tangential circle 12 in the furnace, the first imaginary tangential circle 11 and the second
- the imaginary cut circle 12 has the same diameter.
- Each group of burners 10 is divided into two groups in the vertical direction.
- the first group of burners is called “primary/concentrated pulverized coal” burner, and six primary/rich pulverized coal nozzles 6 and seven secondary winds.
- the nozzles 8 are composed of a second group of burners called “primary/pale pulverized coal” burners, which are composed of six primary/light coal powder nozzles 7 and seven secondary air nozzles 8.
- primary/rich pulverized coal nozzles 6 in a "primary/concentrated pulverized coal” burner group placed at the 1st corner of the front wall are numbered Al-1, Bl-1, Cl-1, Dl-1. , El-1, Fl-1.
- the six primary/pale pulverized coal nozzles 7 in a "primary/puffy pulverized coal” burner group placed at the 1st corner of the front wall are numbered Al-2, Bl-2, Cl-2, D1- 2, E1- 2, F1- 2.
- each coarse pulverized coal pipe 5 is evenly divided into two fine pulverized coal pipes through a pulverized coal distributor 4, so that each coal is pulverized.
- Each fine pulverized coal pipe is divided into a concentrated pulverized coal pipe and a light pulverized coal pipe through a concentrated pulverized coal separation unit 13.
- the concentrated pulverized coal pipe is connected to the primary/rich pulverized coal nozzle 6.
- the root pulverized coal pipe is connected to the primary/light coal powder nozzle 7.
- coal mill 3 numbered A and the six primary/rich pulverized coal nozzles 6 numbered Al-1, Bl-1, Cl-1, Dl_l, El_l, Fl_l and the number Al-2, Bl-2 , Cl-2, Dl-2, El-2, Fl_2, six primary/fresh pulverized coal nozzles.
- the intersection of the center line of the primary/rich pulverized coal nozzle 6 or the primary/pale pulverized coal nozzle 7 of the burner 10 disposed on the front and rear walls near the two walls and the center line of the water-cooled wall 9 is the closest to the furnace 2
- the intersection of the center line of the primary/rich pulverized coal nozzle 6 or the primary/light pulverized coal nozzle 7 of the burner 10 disposed near the center line of the furnace on the front and rear walls and the center line of the water-cooled wall 9 is the closest.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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MYUI2014703867A MY194138A (en) | 2013-02-20 | 2013-08-27 | Pulverized coal rich-lean separation arrangement for octagonal direct flow burner with double fireballs |
ZA2014/06667A ZA201406667B (en) | 2013-02-20 | 2014-09-11 | Pulverized coal rich-lean separation arrangement for octagonal direct flow burner with double fireballs |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201310054715.0 | 2013-02-20 | ||
CN201310054715.0A CN103090368B (zh) | 2013-02-20 | 2013-02-20 | 双火球八角直流燃烧器煤粉浓淡分离布置方式 |
Publications (1)
Publication Number | Publication Date |
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WO2014127617A1 true WO2014127617A1 (zh) | 2014-08-28 |
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ID=48203276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2013/082335 WO2014127617A1 (zh) | 2013-02-20 | 2013-08-27 | 双火球八角直流燃烧器煤粉浓淡分离布置方式 |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN103090368B (zh) |
MY (1) | MY194138A (zh) |
PL (1) | PL409323A1 (zh) |
WO (1) | WO2014127617A1 (zh) |
ZA (1) | ZA201406667B (zh) |
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CN109404893A (zh) * | 2018-11-09 | 2019-03-01 | 中节环立为(武汉)能源技术有限公司 | 一种三次风煤粉分离系统 |
CN109556107A (zh) * | 2017-09-26 | 2019-04-02 | 哈尔滨博深科技发展有限公司 | 适于超低负荷运行的火电机组切圆燃烧锅炉及其燃烧系统 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5899172A (en) * | 1997-04-14 | 1999-05-04 | Combustion Engineering, Inc. | Separated overfire air injection for dual-chambered furnaces |
CN1757966A (zh) * | 2004-10-10 | 2006-04-12 | 辽宁东电燃烧设备有限公司 | 一种低氮氧化物的燃烧技术 |
JP2010096452A (ja) * | 2008-10-17 | 2010-04-30 | Mitsubishi Heavy Ind Ltd | 旋回燃焼ボイラ |
CN102494333A (zh) * | 2011-11-14 | 2012-06-13 | 上海锅炉厂有限公司 | 一种燃用无烟煤的单火球四角直流燃烧器 |
CN102563634A (zh) * | 2011-11-14 | 2012-07-11 | 上海锅炉厂有限公司 | 单火球八角直流燃烧器煤粉浓淡分离布置结构 |
CN103090368A (zh) * | 2013-02-20 | 2013-05-08 | 上海锅炉厂有限公司 | 双火球八角直流燃烧器煤粉浓淡分离布置方式 |
-
2013
- 2013-02-20 CN CN201310054715.0A patent/CN103090368B/zh active Active
- 2013-08-27 PL PL409323A patent/PL409323A1/pl unknown
- 2013-08-27 WO PCT/CN2013/082335 patent/WO2014127617A1/zh active Application Filing
- 2013-08-27 MY MYUI2014703867A patent/MY194138A/en unknown
-
2014
- 2014-09-11 ZA ZA2014/06667A patent/ZA201406667B/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5899172A (en) * | 1997-04-14 | 1999-05-04 | Combustion Engineering, Inc. | Separated overfire air injection for dual-chambered furnaces |
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