CN110360547B - Low-nitrogen pulverized coal burner - Google Patents
Low-nitrogen pulverized coal burner Download PDFInfo
- Publication number
- CN110360547B CN110360547B CN201910566706.7A CN201910566706A CN110360547B CN 110360547 B CN110360547 B CN 110360547B CN 201910566706 A CN201910566706 A CN 201910566706A CN 110360547 B CN110360547 B CN 110360547B
- Authority
- CN
- China
- Prior art keywords
- combustion chamber
- pulverized coal
- welded
- branch pipe
- casing
- 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.)
- Active
Links
- 239000003245 coal Substances 0.000 title claims abstract description 45
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 18
- 238000002485 combustion reaction Methods 0.000 claims abstract description 91
- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 239000007921 spray Substances 0.000 claims abstract description 15
- 239000000446 fuel Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 238000004140 cleaning Methods 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 14
- 239000002817 coal dust Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 19
- 210000003437 trachea Anatomy 0.000 description 4
- 229910002089 NOx Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
- F23D1/02—Vortex burners, e.g. for cyclone-type combustion apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention relates to the technical field of pulverized coal burners, in particular to a low-nitrogen pulverized coal burner which comprises a shell, wherein one end outside the shell is welded with a cover head of an integrated structure, one side above the cover head is welded with a first combustion chamber which is communicated with the cover head, the other end of the first combustion chamber is welded with a second combustion chamber, one end inside the shell is welded with an ignition combustion chamber, the other end of the ignition combustion chamber penetrates through the second combustion chamber to be provided with a spray head, the other end of the shell is provided with an ignition gun, a fuel channel is welded above the ignition combustion chamber, the pulverized coal channel is welded above the second combustion chamber, air pumps are respectively arranged above and below the shell, the air pumps are respectively connected with a main air pipe, the main air pipes are respectively provided with a main air valve, the other ends of the main air pipes are respectively connected with a conveying air mechanism, a through hole is formed between the first combustion chamber and the second combustion chamber, the second combustion chamber is provided with a pulverized coal spray head, and cooling mechanisms are respectively arranged above and below the shell. The invention can fully burn the coal powder.
Description
Technical Field
The invention relates to the technical field of pulverized coal burners, in particular to a low-nitrogen pulverized coal burner.
Background
The pulverized coal burner is equipment capable of fully burning pulverized coal in a short time and generating high-temperature vortex. According to the application, the pulverized coal burner comprises a pulverized coal burner special for a rotary kiln, a pulverized coal burner for a boiler and a pulverized coal burner special for an asphalt mixing station, nitrogen oxides generated in the pulverized coal combustion process are mainly Nitric Oxide (NO) and nitrogen dioxide (NO 2), the two are collectively called NOx, the NOx can cause environmental pollution, and the body of a human body can be injured, and the existing low-nitrogen pulverized coal burner can reduce the generation of nitrogen, but cannot enable the pulverized coal to be combusted more fully.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a low-nitrogen pulverized coal burner.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a low nitrogen pulverized coal burner, includes the casing, the outer one end welding of casing has the hood of integral structure, hood top one side intermediate position welding has the first combustion chamber that is linked together, and first combustion chamber is located the casing, the other end welding of first combustion chamber has the second combustion chamber, the one end welding has integrative ignition combustion chamber in the casing, the through-hole is installed to the ignition combustion chamber other end, the shower nozzle is installed to the casing other end, and the ignition gun other end passes the ignition combustion chamber, ignition combustion chamber top welding has fuel passage, and fuel passage passes the casing, second combustion chamber top welding has the pulverized coal passageway, and the pulverized coal passageway passes the casing, the air pump is all installed to casing top and below, all be connected with the total air pipe on the total air pipe, the total air pipe other end is connected with the conveying gas mechanism of integral structure respectively, set up the through-hole between first combustion chamber and the second combustion chamber, the second combustion chamber other end is located through-hole department and installs the shower nozzle, just install the blade below the first shower nozzle and the air pump, both ends are all installed to the pulverized coal passageway, all install the swirl-flow mechanism below the air pump, all installs on one side of the air cleaner.
Preferably, the cooling mechanism comprises a plurality of first clamping blocks, a plurality of first clamping blocks are welded on the upper side and the lower side of the shell, a plurality of water tanks are connected between the first clamping blocks in a clamping mode, a plurality of first clamping grooves are formed in the bottom of each water tank, first connecting connectors are welded on two sides of the upper side of each water tank, and cavities of U-shaped structures matched with the cooling mechanism are formed in the upper side and the lower side of each first combustion chamber.
Preferably, the first combustion chamber is located cavity department and all welds a set of second connector, and the second connector of same group has two, the second connector all is connected with the raceway, the other end of raceway all is connected with the water pump, the same group the other end of the water pump that is connected on the second connector all is connected different first connectors on the same water tank through the raceway.
Preferably, the tank top all welds the case mouth that has an integral structure, all be covered with sealed lid on the case mouth, all install the refrigerator in the water tank.
Preferably, the cleaning mechanism comprises a motor, the motor is all installed at the both ends of cover head top one side, the motor all has the pivot through the coupling joint, the joint mechanism is all installed to the cover head is all passed to the pivot other end, the connecting rod is all installed to the other end of joint mechanism, evenly distributed has a plurality of dead lever on the connecting rod, all install on the dead lever and strengthen cleaning mechanism, the equal welding of the connecting rod other end has the handle.
Preferably, the clamping mechanism comprises a second clamping groove, the other end of the rotating shaft penetrates through the cover head to form a second clamping groove, a second clamping block is clamped in the second clamping groove, and the other end of the second clamping block is welded with the connecting rod.
Preferably, the reinforced cleaning mechanism comprises a bump, and a plurality of bumps are engraved at the other end of the fixing rod.
Preferably, the gas conveying mechanism comprises a first branch pipe and a second branch pipe, the other end of the main gas pipe is respectively connected with the first branch pipe and the second branch pipe which are of an integrated structure, the first branch pipe and the second branch pipe are respectively provided with a branch gas valve, the other end of the second branch pipe penetrates through the shell to be communicated with the second combustion chamber, and the other end of the first branch pipe penetrates through the first combustion chamber to be provided with a gas jet head.
Preferably, two guide plates with inclined structures are symmetrically welded at one end of the through hole in the second combustion chamber.
The low-nitrogen pulverized coal burner provided by the invention has the beneficial effects that:
1. The pulverized coal burner is provided with the second combustion chamber, the second combustion chamber is smaller in space, a small amount of gas can be input into the second combustion chamber, and pulverized coal can be combusted in a concentrated mode, so that combustion is more complete.
2. The cooling mechanism is arranged at the first combustion chamber, so that the temperature in the first combustion chamber can be reduced, the temperature is low, the generation of nitrogen oxides can be prevented, the amount of the nitrogen oxides is reduced, and the environment is protected.
3. The cleaning mechanism is arranged at the cover head, so that ash residues can be cleaned on the cover head in time, and the service life of the burner is prolonged.
Drawings
FIG. 1 is a schematic diagram of a low nitrogen pulverized coal burner according to the present invention;
FIG. 2 is a schematic top view of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of the water tank and the second branch pipe according to the present invention;
FIG. 4 is a schematic view of the structure of the shaft and the connecting rod according to the present invention;
fig. 5 is a schematic structural view of a fixing rod and a bump according to the present invention.
In the figure: the device comprises a shell 1, a first combustion chamber 2, a second combustion chamber 3, an ignition combustion chamber 4, a nozzle 5 ignition gun 6 pulverized coal channel 7, an air pump 8, a main air pipe 9, a first branch pipe 10, a second branch pipe 11, a branch pipe air valve 12, a through hole 13, a pulverized coal nozzle 14, a cover head 15, a water tank 16, a tank opening 17, a sealing cover 18, a first clamping groove 19, a first clamping block 20, a first connecting head 21, a cavity 22, a second connecting head 23, a water conveying pipe 24, a water pump 25, a refrigerator 26, a motor 27, a rotating shaft 28, a second clamping block 29, a second clamping groove 30, a connecting rod 31, a fixed rod 32, a bump 33, a handle 34, a main air valve 35, a secondary air swirl vane 36, a fuel channel 37, a jet head 38 and a guide plate 39.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-5, a low nitrogen pulverized coal burner comprises a housing 1, a hood 15 with an integral structure is welded at one end outside the housing 1, a first combustion chamber 2 communicated with the hood is welded at the middle position on one side above the hood 15, the first combustion chamber 2 is positioned in the housing 1, a second combustion chamber 3 is welded at the other end of the first combustion chamber 2, an integral ignition combustion chamber 4 is welded at one end inside the housing 1, a spray head 5 is installed at the other end of the ignition combustion chamber 4 through the second combustion chamber 3, an ignition gun 6 is installed at the other end of the housing 1, the other end of the ignition gun 6 passes through the ignition combustion chamber 4, a fuel channel 37 is welded above the ignition combustion chamber 4, the fuel channel 37 passes through the housing 1, a pulverized coal channel 7 is welded above the second combustion chamber 3, the pulverized coal channel 7 passes through the housing 1, fuel is conveyed into the ignition combustion chamber 4 through the fuel channel 3, the fuel is ignited into the ignition combustion chamber 4 through the flame gun 6, the spray head 5 is installed at one end of the ignition combustion chamber 4, the spray head 5 sprays the fire into the second combustion chamber 3, and simultaneously the pulverized coal is conveyed into the second combustion chamber 3 through the second combustion chamber 3 in turn, and a small amount of pulverized coal is concentrated in the combustion chamber 5, and the pulverized coal is combusted in the small amount of the combustion chamber 5 is more fully combusted before the spray head is burned.
The air pump 8 is all installed to casing 1 top and below, air pump 8 all is connected with total trachea 9, all install total pneumatic valve 35 on the total trachea 9, the other end of total trachea 9 is connected with the conveying gas mechanism of integral structure respectively, conveying gas mechanism includes first bleeder 10 and second bleeder 11, the other end of total trachea 9 is connected with first bleeder 10 and the second bleeder 11 of integral structure respectively, branch pneumatic valve 12 is all installed on first bleeder 10 and the second bleeder 11, the second bleeder 11 other end is linked together with second combustion chamber 3 through casing 1, the air jet 38 is installed all to first bleeder 10 other end through first combustion chamber 2, can be through opening total pneumatic valve 35 on the air pump 8, and open branch pneumatic valve 12 on the second bleeder 11, and adjust branch pneumatic valve 12, input a small amount of gas into second combustion chamber 3, can play fire-retardant effect, make the speed of pulverized coal burning faster, branch pneumatic valve 12 can adjust the volume, adjust less volume is in order to prevent that oxygen is too much can produce great nitrogen oxide.
A through hole 13 is formed between the first combustion chamber 2 and the second combustion chamber 3, two guide plates 39 with inclined structures are symmetrically welded at one end of the through hole 13 in the second combustion chamber 3, the guide plates 39 can concentrate coal dust to the through hole 13, a coal dust spray nozzle 14 is arranged at the other end of the second combustion chamber 3 and positioned in the first combustion chamber 2, secondary air swirl vanes 36 are arranged above and below the coal dust spray nozzle 14, after the second combustion chamber 3 is fully combusted in a short time, the secondary air swirl vanes 36 are arranged on the coal dust spray nozzle 14 positioned in the first combustion chamber 2, so that the coal dust can form a vortex shape under the action of the secondary air swirl vanes 36 after being sprayed out of the coal dust spray nozzle 14, meanwhile, a jet head 38 connected with the first branch pipe 10 is positioned at the spray nozzle 14, and a small amount of gas is sprayed out from the branch pipe gas valve 12 on the first branch pipe 10 during adjustment, and the secondary air swirl vanes 36 play a role in resistance, so that the coal dust enters a hearth.
The cooling mechanism is all installed to casing 1 top and below, cooling mechanism includes a plurality of first fixture block 20, the first fixture block 20 of a plurality of has all been welded to casing 1 top and below, all the joint has water tank 16 between the first fixture block 20 of a plurality of, a plurality of first draw-in groove 19 has all been seted up to water tank 16 bottom, tank opening 17 that has an integral structure has all been welded to water tank 16 top, all be covered with sealed lid 18 on the tank opening 17, can pour into water tank 16 through tank opening 17, the rethread is sealed tightly 18 to cover, set up the first draw-in groove 19 with the first fixture block 20 assorted on the casing 1 in the water tank 16 below, can be fixed with water tank 16 in the first draw-in groove 19 through first fixture block 20 card income.
The refrigerator 26 is all installed in the water tank 16, first connector 21 has all been welded to water tank 16 top both sides, cavity 22 with cooling mechanism matched with U type structure has all been seted up to first combustion chamber 2 top and below, first combustion chamber 2 is located cavity 22 department and all has welded a set of second connector 23, and same set of second connector 23 has two, second connector 23 all is connected with raceway 24, the other end of raceway 24 all is connected with water pump 25, the other end of the water pump 25 who connects on same set of second connector 23 all connects different first connector 21 on the same water tank 16 through raceway 24, in cavity 22 that sets up on first combustion chamber 2 is carried to the water pump 25 in with water tank 16, the water pump 25 of rethread water tank 16 other end is with the water in cavity 22 take out in the water tank 16, refrigerator 26 has been installed in water tank 16, like this, can cool down the temperature in first combustion chamber 2, because high temperature can produce a large amount of nitrogen oxides, make the first combustion chamber 2's temperature reduce, can be more environmental protection.
Cleaning mechanisms are arranged at two ends of one side above the cover head 15, the cleaning mechanisms can be timely used for cleaning, each cleaning mechanism comprises a motor 27, each motor 27 is arranged at two ends of one side above the cover head 15, each motor 27 is connected with a rotating shaft 28 through a coupling, each clamping mechanism is arranged at the other end of each rotating shaft 28 through the cover head 15, each clamping mechanism comprises a second clamping groove 30, each second clamping groove 30 is arranged at the other end of each rotating shaft 28 through the cover head 15, each second clamping groove 30 is internally provided with a second clamping block 29 in a clamping manner, each connecting rod 31 is welded at the other end of each second clamping block 29, each connecting rod 31 is arranged at the other end of each clamping mechanism, a plurality of fixing rods 32 are uniformly distributed on each connecting rod 31, each fixing rod 32 is provided with a reinforcing cleaning mechanism, each reinforcing cleaning mechanism comprises a convex block 33, the other end of the fixed rod 32 is carved with a plurality of protruding blocks 33, the other end of the connecting rod 31 is welded with a handle 34, the second clamping block 29 on the rotating shaft 28 can be moved out of the second clamping groove 30 of the fixed rod 32 by pulling the handle 34, the fixed rod 32 is disassembled, the fixed rod 32 is convenient to clean, more slag and ash are easy to adhere above and below the cover head 15, the motor 27 is arranged at the cover head 15, can drive dead lever 32 on the pivot 28 through start motor 27 and turn to and clean cover head 15 top and below production more sediment ash, carved with a plurality of lug 33 on dead lever 32, can make clean more careful, make the lime-ash scrape more easily, prevent that sediment ash from sticking in the inner wall for a long time, have the corrosive action, reduce the life of combustor.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a low nitrogen pulverized coal burner, includes casing (1), its characterized in that, casing (1) outer one end welding has hood head (15) of integral structure, hood head (15) top one side intermediate position welding has first combustion chamber (2) that are linked together, and first combustion chamber (2) are located casing (1), the other end welding of first combustion chamber (2) has second combustion chamber (3), one end welding has integrative ignition combustion chamber (4) in casing (1), ignition combustion chamber (4) other end passes second combustion chamber (3) and installs shower nozzle (5), ignition gun (6) are installed to casing (1) other end, and ignition gun (6) other end passes ignition combustion chamber (4), ignition combustion chamber (4) top welding has fuel passage (37), and fuel passage (37) pass casing (1), second combustion chamber (3) top welding has pulverized coal passage (7), and pulverized coal passage (7) pass casing (1), casing (1) top and below one end welding have integrative ignition combustion chamber (8), all air pump (8) are installed to air pump (9) all are connected with air pump (9) all, all air valve (9) are installed respectively, a through hole (13) is formed between the first combustion chamber (2) and the second combustion chamber (3), a coal dust spray head (14) is arranged at the other end of the second combustion chamber (3) and positioned at the through hole (13), the coal dust spray head (14) is positioned in the first combustion chamber (2), secondary air swirl vanes (36) are arranged above and below the coal dust spray head (14), cooling mechanisms are arranged above and below the shell (1), and cleaning mechanisms are arranged at two ends of one side above the cover head (15);
The cooling mechanism comprises a plurality of first clamping blocks (20), a plurality of first clamping blocks (20) are welded above and below the shell (1), a water tank (16) is clamped between the first clamping blocks (20), a plurality of first clamping grooves (19) are formed in the bottom of the water tank (16), first connectors (21) are welded on two sides above the water tank (16), and cavities (22) of U-shaped structures matched with the cooling mechanism are formed above and below the first combustion chamber (2);
Two guide plates (39) with inclined structures are symmetrically welded at one end of the second combustion chamber (3) positioned at the through hole (13).
2. The low-nitrogen pulverized coal burner as claimed in claim 1, wherein the first combustion chamber (2) is located at the cavity (22) and is welded with a group of second connectors (23), the same group of second connectors (23) are respectively connected with a water pipe (24), the other ends of the water pipes (24) are respectively connected with a water pump (25), and the other ends of the water pumps (25) connected with the second connectors (23) of the same group are respectively connected with different first connectors (21) on the same water tank (16) through the water pipes (24).
3. The low-nitrogen pulverized coal burner according to claim 1, wherein tank openings (17) with integrated structures are welded above the water tank (16), sealing covers (18) are covered on the tank openings (17), and refrigerators (26) are arranged in the water tank (16).
4. The low-nitrogen pulverized coal burner according to claim 1, wherein the cleaning mechanism comprises a motor (27), the motor (27) is installed at both ends of one side above the cover head (15), the motor (27) is connected with a rotating shaft (28) through a coupling, the other end of the rotating shaft (28) is provided with a clamping mechanism through the cover head (15), the other end of the clamping mechanism is provided with a connecting rod (31), a plurality of fixing rods (32) are uniformly distributed on the connecting rod (31), the fixing rods (32) are provided with reinforcing cleaning mechanisms, and the other ends of the connecting rods (31) are welded with handles (34).
5. The low-nitrogen pulverized coal burner according to claim 4, wherein the clamping mechanism comprises a second clamping groove (30), the other end of the rotating shaft (28) penetrates through the cover head (15) and is provided with the second clamping groove (30), the second clamping groove (30) is internally provided with a second clamping block (29), and the other end of the second clamping block (29) is welded with the connecting rod (31).
6. The low-nitrogen pulverized coal burner according to claim 4, wherein the enhanced cleaning mechanism comprises a bump (33), and a plurality of bumps (33) are engraved on the other end of the fixed rod (32).
7. The low-nitrogen pulverized coal burner according to claim 1, wherein the gas conveying mechanism comprises a first branch pipe (10) and a second branch pipe (11), the other end of the main gas pipe (9) is respectively connected with the first branch pipe (10) and the second branch pipe (11) which are of an integral structure, branch pipe gas valves (12) are respectively arranged on the first branch pipe (10) and the second branch pipe (11), the other end of the second branch pipe (11) penetrates through the shell (1) to be communicated with the second combustion chamber (3), and jet heads (38) are respectively arranged at the other end of the first branch pipe (10) and the first combustion chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910566706.7A CN110360547B (en) | 2019-06-27 | 2019-06-27 | Low-nitrogen pulverized coal burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910566706.7A CN110360547B (en) | 2019-06-27 | 2019-06-27 | Low-nitrogen pulverized coal burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110360547A CN110360547A (en) | 2019-10-22 |
| CN110360547B true CN110360547B (en) | 2024-09-17 |
Family
ID=68217251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910566706.7A Active CN110360547B (en) | 2019-06-27 | 2019-06-27 | Low-nitrogen pulverized coal burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110360547B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112198271A (en) * | 2020-09-29 | 2021-01-08 | 湖北赤焰热能工程有限公司 | Method and device for detecting combustion performance of pulverized coal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210425009U (en) * | 2019-06-27 | 2020-04-28 | 湖北赤焰热能工程有限公司 | Low-nitrogen pulverized coal burner |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5934206A (en) * | 1997-04-07 | 1999-08-10 | Eastman Chemical Company | High temperature material face segments for burner nozzle secured by brazing |
| JP2006207938A (en) * | 2005-01-28 | 2006-08-10 | Mitsubishi Heavy Ind Ltd | Pulverulent fuel burner |
| CN201680364U (en) * | 2010-04-06 | 2010-12-22 | 山西蓝天环保设备有限公司 | Efficient low NOx pulverized coal burner for small and medium-sized industrial boilers |
| JP5708119B2 (en) * | 2011-03-25 | 2015-04-30 | 株式会社Ihi | Pulverized coal burner |
| CN102705823B (en) * | 2012-05-16 | 2015-07-15 | 神华集团有限责任公司 | Pulverized coal burner |
| CN203718767U (en) * | 2014-01-13 | 2014-07-16 | 徐州燃控科技股份有限公司 | Oil/gas saving ignition stable-combustion low-nitrogen swirl pulverized coal burner |
| CN104344404A (en) * | 2014-11-13 | 2015-02-11 | 李延新 | Low-nitrogen type pulverized coal combustion machine without requirement for continuous ignition source |
| KR101922933B1 (en) * | 2016-10-11 | 2018-11-28 | 한국에너지기술연구원 | Plasma ignition burner for coal power plant |
-
2019
- 2019-06-27 CN CN201910566706.7A patent/CN110360547B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210425009U (en) * | 2019-06-27 | 2020-04-28 | 湖北赤焰热能工程有限公司 | Low-nitrogen pulverized coal burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110360547A (en) | 2019-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110360547B (en) | Low-nitrogen pulverized coal burner | |
| CN210425009U (en) | Low-nitrogen pulverized coal burner | |
| CN201897223U (en) | Burner for burning gas with low heat value | |
| CN211677098U (en) | Composite laminated reducing agent high-speed injection device | |
| CN201852093U (en) | Air single heat-storage fuel continuous feeding type burner nozzle | |
| CN205482343U (en) | High -efficient heat accumulation formula non ferrous metal melting furnace | |
| CN204534611U (en) | A kind of shock-wave ash-clearing device | |
| CN109631036A (en) | The combustion method and matched combustion head and burner of a kind of ultralow nitrogen oxides | |
| CN204534614U (en) | A kind of shock-wave ash-clearing rifle | |
| CN103411215A (en) | Multi-directional jet-type cyclone pulverized coal burner | |
| CN213207829U (en) | Prevent water-cooled wall high temperature corrosion's high-efficient adherence wind system | |
| CN203718728U (en) | Thermal energy conversion device | |
| CN204438113U (en) | A kind of glass furnace burner | |
| CN204063029U (en) | A kind of middle-size and small-size low nitrogen coal powder burner used for industrial furnace | |
| CN201421073Y (en) | Steam generating device | |
| CN2359570Y (en) | Waste liquid furnace | |
| CN212746568U (en) | Ignition device for boiler combustion | |
| CN201269537Y (en) | Combustion-supporting apparatus of boiler | |
| CN203549816U (en) | Multidirectional jet-type swirl pulverized coal burner | |
| CN211854011U (en) | Combustor and heat accumulating type combustion system thereof | |
| CN214120128U (en) | Secondary air environment-friendly heating furnace | |
| CN216619858U (en) | Online ash removal device for biomass boiler | |
| CN103759238A (en) | Heat energy conversion device | |
| CN208901389U (en) | A kind of low-oxynitride combustor | |
| CN211060118U (en) | High-efficiency energy-saving boiler burner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |