CN115962464A - Full-premix type low-power combustor suitable for pure oxygen combustion - Google Patents
Full-premix type low-power combustor suitable for pure oxygen combustion Download PDFInfo
- Publication number
- CN115962464A CN115962464A CN202211469048.8A CN202211469048A CN115962464A CN 115962464 A CN115962464 A CN 115962464A CN 202211469048 A CN202211469048 A CN 202211469048A CN 115962464 A CN115962464 A CN 115962464A
- Authority
- CN
- China
- Prior art keywords
- cooling
- bevel gear
- nozzle
- water
- cooling water
- 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
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 20
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 239000000498 cooling water Substances 0.000 claims abstract description 70
- 238000001816 cooling Methods 0.000 claims abstract description 42
- 230000000740 bleeding effect Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005496 tempering Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 8
- 238000004880 explosion Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
-
- 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
- Gas Burners (AREA)
Abstract
The invention discloses a full-premix type low-power combustor suitable for pure oxygen combustion, which relates to the technical field of combustors and comprises a nozzle and a combustor body which are communicated, wherein an anti-tempering plate is arranged at the joint of the nozzle and the combustor body, a water-cooling air inlet pipe is arranged on the outer side of the combustor body, the water-cooling air inlet pipe is of an inner-outer double-layer structure, circulating water flow is supplied between two pipes of the inner layer and the outer layer, a water-cooling main pipe is arranged on one side of the water-cooling air inlet pipe, a cooling water inlet I is arranged on the water-cooling main pipe, and a cooling water outlet I is arranged at one end of the water-cooling air inlet pipe; a bleeding valve interface for connecting a bleeding valve is arranged on one side of the water-cooling air inlet pipe close to the nozzle; a first cooling water jacket and a second cooling water jacket are respectively arranged on the outer side of the burner body and the outer side of the nozzle, and a second cooling water inlet and a second cooling water outlet are respectively formed in the first cooling water jacket and the second cooling water jacket; effectively prevent the burner body from generating thermal deformation or thermal fracture, and prolong the service life of the nozzle.
Description
Technical Field
The invention relates to the technical field of combustors, in particular to a full-premix type low-power combustor suitable for pure oxygen combustion.
Background
The full premixing technology is that fuel and air or oxygen are completely mixed before entering a nozzle of a combustion chamber, and the mixing of the fuel and the air ensures accurate mixing ratio of the fuel and the air by an intelligent premixing adjusting valve system. Then the gas and the air are completely dispersed through the mixer and the mixing pipe, so that the oxygen molecules surround around each gas molecule, the gas is completely combusted, and incomplete combustion products are not generated. The full premix type combustion has the advantages that: the combustion is sufficient, almost no CO and NOx gas is generated, and more than 95 percent of products are CO 2 ，CO 2 Can be sealed and stored for reuse, and realizes energy conservation and emission reduction.
In the actual operation process, the combustor and the nozzle are always kept in a very high temperature state, the combustor is easy to generate thermal deformation or thermal rupture after long-term use, the service time of the nozzle is shortened, and if the internal pressure of the combustor is too high, explosion is easy to occur due to the too high pressure, so that certain potential safety hazards exist.
Disclosure of Invention
In order to solve the problems, the invention provides a full-premix type low-power combustor suitable for pure oxygen combustion, which comprises a nozzle and a combustor body which are communicated, wherein an anti-tempering plate is arranged at the joint of the nozzle and the combustor body, a water-cooling air inlet pipe is arranged on the outer side of the combustor body, the water-cooling air inlet pipe is of an inner-outer double-layer structure, circulating water flow is supplied between two pipes of the inner-outer double layer structure, a water-cooling main pipe is arranged on one side of the water-cooling air inlet pipe, a cooling water inlet I is arranged on the water-cooling main pipe, and a cooling water outlet I is arranged at one end of the water-cooling air inlet pipe; a bleeding valve interface for connecting a bleeding valve is arranged on one side of the water-cooling air inlet pipe close to the nozzle; the first cooling water jacket and the second cooling water jacket are respectively arranged on the outer side of the combustor body and the outer side of the nozzle, and a second cooling water inlet and a second cooling water outlet are formed in each of the first cooling water jacket and the second cooling water jacket.
Furthermore, the first cooling water jacket and the second cooling water jacket are respectively sleeved with a first bevel gear and a second bevel gear, the outer side faces of the first cooling water jacket and the second cooling water jacket are respectively fixed with the first bevel gear and the second bevel gear, a third bevel gear is arranged below the first bevel gear and the second bevel gear, the third bevel gear is meshed with the first bevel gear and the second bevel gear, a rotating rod is fixed at the bottom of the third bevel gear, and the other end of the rotating rod is connected with a stepping motor.
Furthermore, the inner rings of the first bevel gear and the second bevel gear are respectively fixed with a connecting arc plate, and the connecting arc plates of the first bevel gear and the second bevel gear are respectively contacted with the outer rings of the burner body and the nozzle.
Further, the nozzle is connected with the combustor body in a threaded mode.
Furthermore, the side wall of the first bevel gear is fixed with a connecting ring, a through hole is formed in the outer side wall of the connecting ring, a connecting hole is correspondingly formed in the outer side wall of the burner body, the connecting hole is not communicated with the inside of the burner body, and a screw rod capable of penetrating through the through hole is arranged and extending into the connecting hole.
Furthermore, the nozzle and the water-cooling air inlet pipe are connected through a mounting flange, an inclined small hole is formed in the mounting flange, and an igniter and a fire detection device are installed through the inclined small hole.
Furthermore, the one end that the nozzle was kept away from to the water-cooling intake pipe is fixed with hollow observation tube, and the external screw thread has been seted up to the lateral surface of observation tube, and the one end threaded connection of observation tube has the sight glass.
Furthermore, the inclination angle between the water-cooling air inlet pipe and the water-cooling main pipe is 100 degrees.
Further, the nozzle is a venturi tube and is funnel-shaped.
The invention has the following beneficial effects:
1. the tempering-preventing plate prevents tempering, and the burner body and the nozzle are continuously cooled through the first cooling water jacket and the second cooling water jacket, so that the burner body is effectively prevented from thermal deformation or thermal fracture, and the service life of the nozzle is prolonged; if the internal pressure of the burner body is too high, the relief valve is broken, so that overflow is realized, and explosion caused by too high pressure is prevented.
2. Can drive cooling water jacket one and cooling water jacket two through step motor and rotate to prevent that the local overheated condition from appearing in the combustor body, compare in the cooling water jacket of full surrounding type, can effectively avoid rivers to pile up in lower one end and lead to the problem that the temperature is difficult to reduce than the upper end because of the action of gravity, effectively reduce the condition emergence of cooling water jacket one and two upper ends high temperature damages of cooling water jacket.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic side view of the structure of embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of example 2 of the present invention;
fig. 4 is a schematic view of a connection structure of the first bevel gear in fig. 3.
The reference numerals are illustrated below: 1. a nozzle; 2. a second cooling water jacket; 3. a temper resistant panel; 4. water-cooling the air inlet pipe; 5. a first cooling water jacket; 6. a first cooling water inlet; 7. a sight glass; 8. a first cooling water outlet; 9. a bleed valve interface; 10. installing a flange; 11. a second cooling water inlet; 12. a second cooling water outlet; 13. an igniter; 14. a fire detection device; 15. a burner body; 16. water-cooling the main pipe; 17. a first bevel gear; 18. a second bevel gear; 19. a third bevel gear; 20. a rotating rod; 21. a stepping motor; 22. connecting the arc plates; 23. a connecting ring; 24. perforating holes; 25. a screw.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention will be further described with reference to the accompanying drawings in which:
example 1:
as shown in fig. 1 and 2, a full premix type low power burner suitable for pure oxygen combustion comprises a nozzle 1 and a burner body 15 which are communicated with each other, wherein the nozzle 1 is a venturi tube, the nozzle 1 is funnel-shaped, a tempering-preventing plate 3 is installed at the joint of the nozzle 1 and the burner body 15 to prevent tempering, a water-cooling air inlet pipe 4 is installed at the outer side of the burner body 15, the water-cooling air inlet pipe 4 is of an inner-outer double-layer structure, circulating water flow is supplied between the inner-outer double-layer two pipes, a water-cooling main pipe 16 is installed at one side of the water-cooling air inlet pipe 4, the inclination angle between the water-cooling air inlet pipe 4 and the water-cooling main pipe 16 is 100 degrees, a cooling water inlet 6 is formed in the water-cooling main pipe 16, and a cooling water outlet 8 is formed in one end of the water-cooling air inlet pipe 4; a bleeding valve interface 9 for connection of a bleeding valve is arranged on one side of the water-cooling air inlet pipe 4 close to the nozzle 1, and the bleeding valve is arranged on one side of the bleeding valve interface 9; a first cooling water jacket 5 and a second cooling water jacket 2 are respectively arranged on the outer side of the burner body 15 and the outer side of the nozzle 1, and a second cooling water inlet 11 and a second cooling water outlet 12 are respectively formed in the first cooling water jacket 5 and the second cooling water jacket 2; the one end that nozzle 1 was kept away from to water-cooling intake pipe 4 is fixed with hollow observation tube, and the external screw thread has been seted up to the lateral surface of observation tube, and the one end threaded connection of observation tube has sight glass 7.
The combustor body 15 and the nozzle 1 are continuously cooled through the cooling water jacket I5 and the cooling water jacket II 2, so that the combustor body 15 is effectively prevented from thermal deformation or thermal fracture, and the service life of the nozzle 1 is prolonged; if the internal pressure of the burner body 15 is too high, the relief valve is broken, so that overflow is realized, and explosion caused by too high pressure is prevented.
In the using process, a cooling water valve is opened before the burner is used, the burner body 15 maintains a constant temperature to prevent thermal shock damage in the burning process, and the cooling water jacket I5 and the cooling water jacket II 2 continuously cool the burner to prevent the burner from thermal deformation or thermal fracture and prolong the service time of the nozzle 1; the gas and the air are mixed in an accurate proportion in an external pipeline of the burner and then enter the burner body 15, the mixed gas enters the nozzle 1 through the water-cooling gas inlet pipe 4 and is ignited by the automatic igniter 13, flame is burnt, and the burning condition is detected by the fire detection device 14; the burning condition in the furnace chamber can be observed to operating personnel through the sight glass 7.
In the embodiment, the nozzle 1 and the water-cooling air inlet pipe 4 are connected through an installation flange 10, an inclined small hole is formed in the installation flange 10, and an igniter 13 and a fire detection device 14 are installed through the inclined small hole; the fire detection device 14 and the blow-off valve guarantee the safe operation of the burner, and if the flame is extinguished, the fire detection device 14 transmits a signal to the combustion controller, so that the gas supply is interrupted.
During use, the fire detection device 14 and the bleeding valve guarantee the safe operation of the burner, and if flame is extinguished, the ion fire detection transmits a signal to the combustion controller, so that the gas supply is interrupted; if the internal pressure of the combustor is too high, the relief valve is broken, so that overflow is realized, and explosion caused by too high pressure is prevented.
Example 2:
on the basis of the embodiment 1, the first cooling water jacket 5 and the second cooling water jacket 2 are respectively sleeved and rotatably connected to the outer sides of the burner body 15 and the nozzle 1, the first bevel gear 17 and the second bevel gear 18 are respectively fixed to the outer side surfaces of the first cooling water jacket 5 and the second cooling water jacket 2, the third bevel gear 19 is arranged below the first bevel gear 17 and the second bevel gear 18, the third bevel gear 19 is meshed with the first bevel gear 17 and the second bevel gear 18, the rotating rod 20 is fixed to the bottom of the third bevel gear 19, and the other end of the rotating rod 20 is connected with the stepping motor 21.
Compared with the fully-surrounding type cooling water jacket, the problem that the temperature of the upper end of the cooling water jacket I5 and the temperature of the lower end of the cooling water jacket II 2 are difficult to reduce due to the fact that water flow is accumulated at the lower end under the action of gravity can be effectively avoided, and the occurrence of high-temperature damage to the upper ends of the cooling water jacket I5 and the cooling water jacket II 2 is effectively reduced.
The inner rings of the first bevel gear 17 and the second bevel gear 18 are fixed with engaging arc plates 22, the engaging arc plates 22 of the first bevel gear 17 and the second bevel gear 18 are respectively contacted with the burner body 15 and the outer ring of the nozzle 1, and the cooling water jackets 5 and 2 and the igniter 13 and the fire detection device 14 in the embodiment 1 are arranged in a staggered manner.
The connecting arc plate 22 is arranged to enhance the rotation stability of the first bevel gear 17 and the second bevel gear 18, and the first bevel gear 17 and the second bevel gear 18 respectively surround the outer edges of the burner body 15 and the nozzle 1 all the time, so that the situation that the first cooling water jacket 5 and the second cooling water jacket 2 are disengaged due to different water flows is prevented.
Threaded connection between nozzle 1 and the combustor body 15, the lateral wall of bevel gear 17 is fixed with go-between 23, and wear to establish hole 24 has been seted up to the lateral wall of go-between 23, and the connecting hole has been seted up to the lateral wall correspondence of combustor body 15, and the connecting hole does not communicate with combustor body 15 is inside, is provided with screw rod 25 and can passes through wear to establish hole 24 and stretch into in the connecting hole.
When combustor body 15 and nozzle 1 need be dismantled and maintain or change, insert the screw rod 25 in wearing to establish hole 24, rethread bolt pin screw rod 25 for bevel gear 17 can drive combustor body 15 and rotate in the pivoted simultaneously, in order to realize dismantling, need not to twist through manual work again and changes.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (9)
1. A can be suitable for pure oxygen burning to mix formula low power combustor in advance entirely, includes nozzle (1) and combustor body (15) that communicate, its characterized in that: the anti-tempering burner is characterized in that a tempering-proof plate (3) is arranged at the joint of the nozzle (1) and the burner body (15), a water-cooling air inlet pipe (4) is arranged on the outer side of the burner body (15), the water-cooling air inlet pipe (4) is of an inner-outer double-layer structure, circulating water flow is supplied between two inner-outer double-layer pipes, a water-cooling main pipe (16) is arranged on one side of the water-cooling air inlet pipe (4), a cooling water inlet I (6) is formed in the water-cooling main pipe (16), and a cooling water outlet I (8) is formed in one end of the water-cooling air inlet pipe (4); a bleeding valve interface (9) for connecting a bleeding valve is arranged on one side of the water-cooling air inlet pipe (4) close to the nozzle (1); a first cooling water jacket (5) and a second cooling water jacket (2) are respectively arranged on the outer side of the burner body (15) and the outer side of the nozzle (1), and a second cooling water inlet (11) and a second cooling water outlet (12) are respectively formed in the first cooling water jacket (5) and the second cooling water jacket (2).
2. A fully premixed low power burner suitable for pure oxygen combustion as claimed in claim 1, wherein: the burner is characterized in that the first cooling water jacket (5) and the second cooling water jacket (2) are respectively sleeved with a first bevel gear (17) and a second bevel gear (18) which are rotatably connected to the outer sides of the burner body (15) and the nozzle (1), the outer side surfaces of the first cooling water jacket (5) and the second cooling water jacket (2) are respectively fixed with the first bevel gear (17) and the second bevel gear (18), a third bevel gear (19) is arranged below the first bevel gear (17) and the second bevel gear (18), the third bevel gear (19) is meshed with the first bevel gear (17) and the second bevel gear (18), a rotating rod (20) is fixed at the bottom of the third bevel gear (19), and the other end of the rotating rod (20) is connected with a stepping motor (21).
3. A full premix low power burner suitable for pure oxygen combustion as claimed in claim 2, wherein: and the inner rings of the first bevel gear (17) and the second bevel gear (18) are both fixed with a connecting arc plate (22), and the connecting arc plates (22) of the first bevel gear (17) and the second bevel gear (18) are respectively contacted with the outer rings of the burner body (15) and the nozzle (1).
4. A full premix low power burner suitable for pure oxygen combustion as claimed in claim 2, wherein: the nozzle (1) is in threaded connection with the burner body (15).
5. The fully premixed low power burner suitable for pure oxygen combustion as claimed in claim 4, wherein: the side wall of the first bevel gear (17) is fixed with a connecting ring (23), a through hole (24) is formed in the outer side wall of the connecting ring (23), a connecting hole is correspondingly formed in the outer side wall of the combustor body (15), the connecting hole is not communicated with the interior of the combustor body (15), and a screw rod (25) is arranged and can penetrate through the through hole (24) to stretch into the connecting hole.
6. A fully premixed low power burner suitable for pure oxygen combustion as claimed in claim 1, wherein: connect through mounting flange (10) between nozzle (1) and water-cooling intake pipe (4), the slant aperture has been seted up on mounting flange (10), through some firearm (13) and fire detection device (14) are installed to the slant aperture.
7. The fully premixed low power burner suitable for pure oxygen combustion as claimed in claim 1, wherein: the one end that nozzle (1) was kept away from in water-cooling intake pipe (4) is fixed with hollow observation tube, and the external screw thread has been seted up to the lateral surface of observation tube, and the one end threaded connection of observation tube has sight glass (7).
8. The fully premixed low power burner suitable for pure oxygen combustion as claimed in claim 1, wherein: the inclination angle between the water-cooling air inlet pipe (4) and the water-cooling main pipe (16) is 100 degrees.
9. The fully premixed low power burner suitable for pure oxygen combustion as claimed in claim 1, wherein: the nozzle (1) is a venturi tube, and the nozzle (1) is funnel-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211469048.8A CN115962464A (en) | 2022-11-22 | 2022-11-22 | Full-premix type low-power combustor suitable for pure oxygen combustion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211469048.8A CN115962464A (en) | 2022-11-22 | 2022-11-22 | Full-premix type low-power combustor suitable for pure oxygen combustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115962464A true CN115962464A (en) | 2023-04-14 |
Family
ID=87360676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211469048.8A Pending CN115962464A (en) | 2022-11-22 | 2022-11-22 | Full-premix type low-power combustor suitable for pure oxygen combustion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115962464A (en) |
-
2022
- 2022-11-22 CN CN202211469048.8A patent/CN115962464A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109654491A (en) | A kind of interior axial water-cooled premixing combustion apparatus | |
| CN208282099U (en) | A kind of porous media premix burner | |
| CN110848681A (en) | Large-load ultralow-nitrogen combustor suitable for low-heat-value and low-pressure fuel gas | |
| CN115962464A (en) | Full-premix type low-power combustor suitable for pure oxygen combustion | |
| CN105805947A (en) | All-premixed combustion heat exchange device | |
| CN103307600A (en) | Heat accumulative gas burner | |
| EP4206529A1 (en) | Burner, burner module comprising same and heating device | |
| CN115789638B (en) | Full-premix pure oxygen combustion flameless combustion system | |
| US20230213184A1 (en) | Burner, burner module, burner assembly and heating device comprising same | |
| CN219199162U (en) | Full-premix type low-power burner suitable for pure oxygen combustion | |
| CN202993264U (en) | Electronic ignition gun of low calorific value gas burner | |
| CN214406060U (en) | Normal-temperature air high-temperature combustion device | |
| CN110332535B (en) | Super-load water cooling low NOxGas burner | |
| CN112815308B (en) | Pure oxygen combustion device and combustion method for smelting reverberatory furnace | |
| CN211925752U (en) | Multifunctional pulse burner | |
| CN207797383U (en) | Boiler plant and heating system | |
| CN201293314Y (en) | Low NOx slag tapping double rotational flow coal powder burner | |
| CN217004460U (en) | Automatic negative pressure-regulating low-nitrogen combustion device | |
| CN214536165U (en) | Air inlet box of burner of through-flow boiler | |
| CN210511670U (en) | Novel self-cooling injection type combustor | |
| CN213872691U (en) | Gas burner for plasma gasification melting furnace | |
| CN218321517U (en) | Tempering control device for heating furnace and heating furnace | |
| CN220669451U (en) | Natural gas burner for shaft furnace | |
| CN221705503U (en) | Full-automatic natural ventilation combustor | |
| CN217763475U (en) | Flue gas heating 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 | ||
| CB02 | Change of applicant information |
Address after: 410000 Yongji Road, Chenglingji Linggang Industrial New Area, Yueyanglou District, Yueyang City, Hunan Province Applicant after: Hunan Zhongding Thermal Technology Co.,Ltd. Address before: 410000 Yongji Road, Chenglingji Linggang Industrial New Area, Yueyanglou District, Yueyang City, Hunan Province Applicant before: YUEYANG MAPOWER THERMPROCESS & ELECTROMAGNETIC TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information |