CN115789637A - Pure oxygen combustor capable of controlling flame shape and temperature - Google Patents
Pure oxygen combustor capable of controlling flame shape and temperature Download PDFInfo
- Publication number
- CN115789637A CN115789637A CN202211513239.XA CN202211513239A CN115789637A CN 115789637 A CN115789637 A CN 115789637A CN 202211513239 A CN202211513239 A CN 202211513239A CN 115789637 A CN115789637 A CN 115789637A
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- flame
- burner
- oxygen
- inner layer
- block
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims abstract description 23
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000001301 oxygen Substances 0.000 claims abstract description 68
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 68
- 239000011449 brick Substances 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 11
- 230000002829 reductive effect Effects 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 11
- 238000005192 partition Methods 0.000 claims abstract description 10
- 238000002485 combustion reaction Methods 0.000 claims description 28
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 239000002737 fuel gas Substances 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000014759 maintenance of location Effects 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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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
Abstract
The invention discloses a pure oxygen burner capable of controlling flame shape and temperature, which relates to the technical field of pure oxygen burners and comprises a burner shell, wherein the burner shell comprises a burner shell inner layer and a burner shell outer layer, cavities are reserved between the burner shell inner layer and the burner shell outer layer and in the middle of the burner shell inner layer, a separation brick is arranged in the cavity between the burner shell inner layer and the burner shell outer layer, a central gas pipe is arranged in the cavity in the middle of the burner shell inner layer, and a plurality of primary oxygen air pipes are arranged on the inner wall of the burner shell inner layer; a plurality of mounting holes are formed between the outer layer of the combustor shell and the partition bricks at equal angles, and secondary oxygen multistage air pipes are arranged in the mounting holes; the control of the flame shape and length reduces the requirements on the strength and heat resistance of the materials in the radiation chamber; the oxygen is dispersed, the flame temperature peak value is reduced, the flame length is long, the heat release is dispersed, and the heat radiation is uniform; and the burner can be conveniently disassembled.
Description
Technical Field
The invention relates to the technical field of pure oxygen burners, in particular to a pure oxygen burner capable of controlling the shape and temperature of flame.
Background
In the petrochemical industry, the metallurgy industry, the building material industry and other industries, a combustor using air as a combustion improver is frequently used. However, the oxygen in the air only accounts for 21%, the air is more nitrogen with the content of nearly 79%, only the oxygen and the fuel in the air are subjected to oxidation reaction during combustion, and the nitrogen does not participate in the combustion. And nitrogen and oxygen generate NOx at high temperature, the generated nitrogen oxides have negative influence on the atmospheric environment, are main components of PM2.5, and take away a large amount of heat when being discharged.
Compared with the traditional burner, the required theoretical oxidation amount of the pure oxygen burner is greatly reduced, so the combustion exhaust amount is also greatly reduced, the taken heat is less, and the purpose of energy saving is achieved, and the combustion products almost contain no NOx, and more than 95 percent of the products are CO 2 ，CO 2 Can be sealed and stored for reuse, accords with the carbon neutralization idea, and achieves the purpose of emission reduction.
As a novel energy-saving combustion device, the pure oxygen combustor has aroused extensive research and practice, the pollution of nitrogen oxides generated by the pure oxygen combustor is extremely low, fuel can be effectively saved, and the workload of flue gas treatment is greatly reduced. The theoretical flame temperature of pure oxygen combustion reaches 2700 ℃, if the shape and length of flame combustion are not controlled, the flame scours a furnace tube and a tube frame or materials, the materials in a hearth are scoured by high-temperature flame and are easy to cause creep deformation, high-temperature deformation and damage of the materials, but the existing pure oxygen combustor has the defects of high local combustion temperature, nonuniform combustion, non-centralized combustion flame, short flame length, easy tempering and the like, and the service life is short.
Disclosure of Invention
In order to solve the problems, the invention provides a pure oxygen burner capable of controlling flame shape and temperature, which comprises a burner shell, wherein the burner shell comprises a burner shell inner layer and a burner shell outer layer, cavities are reserved between the burner shell inner layer and the burner shell outer layer and in the middle of the burner shell inner layer, a separation brick is arranged in the cavity between the burner shell inner layer and the burner shell outer layer, a central gas pipe is arranged in the cavity in the middle of the burner shell inner layer, and a plurality of primary oxygen air pipes are arranged on the inner wall of the burner shell inner layer; a plurality of mounting holes are reserved between the outer layer of the combustor shell and the separation bricks at equal angles, secondary oxygen multistage air pipes are mounted in the mounting holes, and a dismounting mechanism is arranged to dismount the outer layer of the combustor shell and the separation bricks.
Furthermore, extension grooves are formed in the outer side face of the partition brick on one side of each mounting hole, each extension groove is communicated with each mounting hole in a one-to-one correspondence mode, a plurality of extension blocks are fixed on the inner side of the combustor shell corresponding to the plurality of extension grooves, and the extension blocks can slide in the extension grooves and the mounting holes; the lateral surface of combustor casing inlayer has been seted up and has been stretched out the groove, stretches out the groove and link up the setting towards one side of keeping away from disassembly body, stretches out one side in groove and has been seted up and has been kept somewhere the groove, keeps somewhere the groove and stretches out the groove and communicate mutually, the inboard of partition brick corresponds a plurality of grooves of keeping somewhere and is fixed with a plurality of blocks of keeping somewhere, and keeps somewhere the block and can slide in keeping somewhere the groove and stretching out the inslot, the relative position direction that corresponds the mounting hole of extension groove sets up with keeping somewhere the position direction that the groove stretches out the groove relatively in opposite directions.
Further, the disassembly mechanism comprises a base, a stepping motor is installed at the top of the base, an engaging ring is fixed on the outer side face of the combustor shell, an arc plate is fixed at one end of the engaging ring, a first inclined block is fixed on the inner side of the arc plate, the side face, far away from the arc plate, of the first inclined block is an inclined face, the output end of the stepping motor is connected with a driving rod, a contact circular plate is fixed at the other end of the driving rod, a compression spring is fixed on one section of the outer side face of the contact circular plate, a second inclined block is fixed on the other side of the compression spring, the side face, far away from the contact circular plate, of the second inclined block is an inclined face, the inclined face is matched with the inclined face of the first inclined block, a push block is fixed at the end, far away from the combustor shell, of the contact circular plate, the end face, far away from the push block, of the push block is a smooth face with a high end and a low end, the lower end of the push block is a end close to the second inclined block, a return block is fixed at one side, of the outer side face, of the second inclined block, and the return block is arranged on one side, far away from the contact circular plate.
Furthermore, a plurality of through-holes have been seted up to the lateral wall of arc, are provided with in the rubber pole can block into the through-hole, and a plurality of gyro wheels are installed to the side of base.
Furthermore, a plurality of branch pipes are communicated and branched from the upper end of the central gas pipe, and the branch pipes are uniformly and respectively arranged on the inner layer of the combustor shell.
Furthermore, the primary oxygen air pipe provides 15-30% of the total oxygen amount, primary combustion is carried out in the hearth, and the combustion flame is reductive flame.
Furthermore, the secondary oxygen multistage air pipe provides 70-85% of the total oxygen, secondary combustion of fuel gas and incomplete combustion products is realized, and the combustion flame belongs to oxidizing flame.
Furthermore, a pilot burner is arranged in a cavity in the middle of the inner layer of the burner shell.
Furthermore, a fire detection device is arranged in a cavity in the middle of the inner layer of the combustor shell.
Furthermore, the secondary oxygen multistage air pipe is in multistage injection, and the ordered opening and closing of the oxygen is controlled by the valve piece, and the invention has the following beneficial effects:
1. the shape and the length of the flame are controlled, so that local overheating in the radiation chamber is effectively prevented, the flame can rotate along with the rotation of oxygen in a furnace oxygen release mode, the erosion and the damage of the flame to a hearth are reduced, the service life of a burner and the hearth is prolonged, and the requirements on the strength and the heat resistance of materials in the radiation chamber are reduced by controlling the shape and the length of the flame; the separation brick separates primary oxygen and secondary oxygen, so that oxygen is dispersed, the flame temperature peak value is reduced, the flame length is long, heat release is dispersed, and heat radiation is uniform.
2. Can dismantle the combustor through disassembly body to in maintain or change the part, need not artifical manual the great part of quality of moving, effectively avoid dismantling in-process part damage, and the simple operation effectively reduces the operating personnel and overhauls the degree of difficulty.
Drawings
FIG. 1 is a schematic top view of the structure of example 1 of the present invention;
FIG. 2 is a schematic view showing the internal 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 the structure of the partitioning brick of the present invention;
FIG. 5 is a schematic view of the inner layer of the burner housing of the present invention;
FIG. 6 is a schematic view of a contact structure of a first swash block and a second swash block in the present invention.
The reference numerals are explained below: 101. a combustor casing inner layer; 102. an outer layer of the combustor shell; 2. a secondary oxygen multistage air pipe; 3. a beacon light; 4. a fire detection device; 5. a central gas pipe; 6. a primary oxygen duct; 7. separating bricks; 801. a base; 802. a stepping motor; 803. an adaptor ring; 804. an arc-shaped plate; 805. a drive rod; 806. a contact circular plate; 807. a push block; 9. an extension groove; 10. an extension block; 11. extending out of the groove; 12. a retention groove; 13. a retention block; 14. a rubber rod; 15. a roller; 16. mounting holes; 17. a bit returning block; 18. a first inclined block; 19. a second inclined block; 20. compressing the spring.
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 simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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, the pure oxygen burner capable of controlling flame shape and temperature comprises a burner housing, wherein the burner housing comprises a burner housing inner layer 101 and a burner housing outer layer 102, cavities are respectively reserved between the burner housing inner layer 101 and the burner housing outer layer 102 and in the middle of the burner housing inner layer 101, a separation brick 7 is installed in the cavity between the burner housing inner layer 101 and the burner housing outer layer 102, a central gas pipe 5 is installed in the cavity in the middle of the burner housing inner layer 101, and a plurality of primary oxygen air pipes 6 are installed on the inner wall of the burner housing inner layer 101; a plurality of mounting holes are formed between the outer layer 102 of the combustor shell and the separation bricks 7 at equal angles, and secondary oxygen multi-stage air pipes 2 are mounted in the mounting holes.
As shown in fig. 1 and fig. 2, in this embodiment, the upper end of the central gas pipe 5 is communicated with and divided into a plurality of branch pipes, the branch pipes are uniformly installed in the inner layer 101 of the burner housing, so that the staged release of the gas is realized, the primary oxygen air pipe 6 provides 15 to 30 percent of the total oxygen amount, the primary combustion is performed in the furnace, the combustion flame is reductive flame, and the combustion is incomplete.
In the embodiment, the secondary oxygen multistage air pipe 2 provides 70-85% of the total oxygen, secondary combustion of fuel gas and incompletely combusted products is realized, the combustion flame belongs to oxidizing flame, the combustion is complete, and the chemical equivalent is the same; the secondary oxygen multistage air pipe 2 is multi-stage injection, and the regular transformation of oxygen supply positions is realized by controlling the orderly opening and closing of oxygen through valve pieces, and the flame is changed along with the change of the oxygen to form rotary flame, thereby effectively preventing the problem of local continuous overheating.
Wherein, the fuel gas enters the burner hearth through the central fuel gas pipe 5, the oxygen is divided into secondary injection through the primary oxygen air pipe 6 and the secondary oxygen multi-stage air pipe 2, the secondary injection is respectively primary oxygen and secondary oxygen, and the secondary oxygen is divided into multi-stage injection, the primary oxygen accounts for 15-30%, and the secondary oxygen accounts for 70-85%; in primary oxygen gets into the furnace through primary oxygen tuber pipe 6, at first takes place the burning with the gas, this burning is not abundant, in secondary oxygen gets into the furnace through secondary oxygen multistage tuber pipe 2, takes place the burning with the gas of incomplete burning, and secondary oxygen divides into the multistage injection.
In the embodiment, the pilot burner 3 is installed in the cavity in the middle of the inner layer 101 of the burner shell, the fire detection device 4 is installed in the cavity in the middle of the inner layer 101 of the burner shell, the pilot burner 3 prevents the flame from being extinguished, and the fire detection device 4 transmits a flame combustion condition signal; the separating brick 7 is made of high-alumina or corundum refractory material, and separates primary oxygen from secondary oxygen for controlling the shape and length of flame.
The external pipeline is provided with an accurate control valve system, the ordered switch of oxygen is controlled by valves, secondary and tertiary oxygen is closed when secondary primary oxygen is sprayed, secondary primary and tertiary oxygen is closed when secondary oxygen is sprayed, secondary primary and tertiary oxygen is closed when secondary tertiary oxygen is sprayed, and secondary primary and secondary oxygen is closed when secondary tertiary oxygen is sprayed, so that flame can rotate along with the rotation of oxygen in an oxygen release mode, thereby reducing the erosion and damage of flame to a hearth, and prolonging the service life of a burner and the hearth; in the use, separate brick 7 and separate primary oxygen and secondary oxygen for oxygen dispersion has reduced flame temperature peak value, and flame length is long, and the heat release dispersion, the heat radiation is even.
Example 2:
on the basis of the above embodiment 1, as shown in fig. 3 to 5, a detaching mechanism is provided to detach the outer layer 102 of the combustor casing and the partition bricks 7, the outer side surfaces of the partition bricks 7 are respectively provided with an extension groove 9 on one side of each mounting hole 16, each extension groove 9 is communicated with each mounting hole 16 in a one-to-one correspondence manner, a plurality of extension blocks 10 are fixed on the inner side of the combustor casing corresponding to the plurality of extension grooves 9, and the extension blocks 10 can slide in the extension grooves 9 and the mounting holes 16; the outer side surface of the inner layer 101 of the combustor shell is provided with an extending groove 11, the extending groove 11 is communicated with one side far away from the dismounting mechanism, one side of the extending groove 11 is provided with a retaining groove 12, the retaining groove 12 is communicated with the extending groove 11, the inner side of the partition brick 7 is fixed with a plurality of retaining blocks 13 corresponding to the retaining grooves 12, and the retaining blocks 13 can slide in the retaining grooves 12 and the extending groove 11.
Wherein, the position direction of the extending groove 9 corresponding to the mounting hole 16 and the position direction of the reserving groove 12 corresponding to the extending groove 11 are arranged oppositely, namely, if the extending groove 9 is arranged at the left side of the mounting hole 16, the reserving groove 12 is arranged at the right side of the extending groove 11; in the non-detached state, the extension block 10 is located in the mounting hole 16 on the extension groove 9 side, and the retention block 13 is located in the retention groove 12.
In this embodiment, the detaching mechanism includes a base 801, a stepping motor 802 is installed on the top of the base 801, a linking ring 803 is fixed on the outer side surface of the outer layer 102 of the burner housing, an arc plate 804 is fixed on one end of the linking ring 803, a first oblique block 18 is fixed on the inner side of the arc plate 804, the side surface of the first oblique block 18 away from the arc plate 804 is an oblique surface, the output end of the stepping motor 802 is connected with a driving rod 805, a contact circular plate 806 is fixed on the other end of the driving rod 805, a compression spring 20 is fixed on one section of the outer side surface of the contact circular plate 806, a second oblique block 19 is fixed on the other side of the compression spring 20, the side surface of the second oblique block 19 away from the contact circular plate 806 is an oblique surface, the oblique surface is matched with the oblique surface of the first oblique block 18, a plurality of through holes are formed in the side wall of the arc plate 804, a push block 807 is fixed on one end of the contact circular plate 806 away from the burner housing, the end surface of the contact circular plate 806 away from which is a smooth surface which is high end and low end, the end surface of the push block 807 is a side far away from the oblique block 19, the end of the push block is a side away from the oblique block 19, the one end of the push block 807 is a return block 17 which is fixed on one side of the oblique block 19 away from which is located away from the return block 806; a rubber rod 14 is arranged to be clamped into the through hole, and a plurality of rollers 15 are arranged on the side of the base 801.
The second inclined block 19 is only disposed on a small section of the outer side surface of the contact circular plate 806, and when the second inclined block 19 contacts the first inclined block 18, the pushing block 807 does not contact the rubber rod 14.
When the parts need to be disassembled for maintenance or replaced, the stepping motor 802 drives the driving rod 805 to rotate 360 degrees, and further drives the contact circular plate 806 and the push block 807 to rotate, in an initial state, the rubber rod 14 is clamped into the corresponding through hole, the first inclined block 18 and the second inclined block 19 are in a state of just contacting, along with the rotation of the contact circular plate 806, the second inclined block 19 contacts with the first inclined block 18 and the second inclined block 19 drives the first inclined block 18 to rotate, namely the outer layer 102 of the combustor shell is driven to rotate, the extension block 10 rotates into the extension groove 9 until contacting with the side wall of the extension groove 9, along with the continuous rotation of the contact circular plate 806, the outer layer 102 of the combustor shell drives the separation brick 7 to rotate through the extension block 10 until the retention block 13 rotates to extend out of the groove 11, at the moment, the second inclined block 19 is difficult to drive the combustor with large mass to integrally rotate, the compression spring 20 gradually compresses, space is provided so that the second inclined block 19 gradually separates from the first inclined block 18, after the second inclined block 19 separates from the first inclined block 18, the push block gradually contacts with the rubber rod 14 and drives the outer layer 102 to move towards the outer layer 102 of the outer layer of the combustor shell to move towards the outer layer 802, and then the outer layer 7 of the combustor shell gradually drives the separation brick 7 to move through the outer layer of the combustor shell, and the outer layer 9, and the extension block 101 and the combustor shell to drive the combustor shell to gradually separate brick 11 to move together.
After the outer layer 102 of the burner shell is separated from the partition brick 7, the stepping motor 802 is started to rotate reversely, so that the pushing block 807 rotates reversely until the return block 17 pushes the first inclined block 18 to rotate and the extension block 10 moves into the mounting hole 16 (the specific reverse rotation angle can be calculated and confirmed according to the size of the first inclined block 18 and the radian of the extension groove 9, the return block 17 and the first inclined block 18 are dislocated in the forward rotation process of the stepping motor 802 before, so that the mutual influence is avoided), the base 801 is moved through the roller 15 until the pushing block 807 is in contact with the rubber rod 14, the stepping motor 802 is driven to rotate forwardly again to return, the pushing block 807 can drive the extension block 10 of the outer layer 102 of the burner shell to separate from the partition brick 7 through the mounting hole 16 through the rubber rod 14, and the burner shell and the partition brick 7 can be detached; the forward rotation, reverse rotation and reset of the stepping motor 802 can be controlled by a setting switch program, which is a common setting in the prior art and will not be described herein.
The foregoing shows and describes the general principles, principal features and advantages of the 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 (10)
1. The utility model provides a can control pure oxygen combustor of flame shape and temperature, includes the combustor casing, its characterized in that: the combustor shell comprises a combustor shell inner layer (101) and a combustor shell outer layer (102), cavities are reserved between the combustor shell inner layer (101) and the combustor shell outer layer (102) and in the middle of the combustor shell inner layer (101), separating bricks (7) are installed in the cavities between the combustor shell inner layer (101) and the combustor shell outer layer (102), a central gas pipe (5) is installed in the cavity in the middle of the combustor shell inner layer (101), and a plurality of primary oxygen air pipes (6) are installed on the inner wall of the combustor shell inner layer (101); a plurality of mounting holes are reserved between the outer layer (102) of the combustor shell and the separation bricks (7) at equal angles, secondary oxygen multistage air pipes (2) are mounted in the mounting holes, and a dismounting mechanism is arranged to dismount the outer layer of the combustor shell and the separation bricks.
2. The pure oxygen burner of claim 1, wherein the shape and temperature of the flame can be controlled by: extension grooves (9) are formed in the outer side face of each partition brick (7) on one side of each mounting hole (16), each extension groove (9) is communicated with each mounting hole (16) in a one-to-one correspondence mode, a plurality of extension blocks (10) are fixed on the inner side of the combustor shell corresponding to the plurality of extension grooves (9), and the extension blocks (10) can slide in the extension grooves (9) and the mounting holes (16); stretch out groove (11) have been seted up to the lateral surface of combustor casing inlayer (101), stretch out groove (11) and link up the setting towards one side of keeping away from disassembly body, stretch out one side of groove (11) and seted up and keep somewhere groove (12), it is linked together with stretching out groove (11) to keep somewhere groove (12), and the inboard of separating brick (7) corresponds a plurality of grooves (12) of keeping somewhere and is fixed with a plurality of pieces of keeping somewhere (13), and keeps somewhere piece (13) and can slide in keeping somewhere groove (12) and stretching out groove (11), extend groove (9) the relative position direction that corresponds mounting hole (16) with the relative position direction reverse setting that stretches out groove (11) of groove (12) of keeping somewhere.
3. The pure oxygen burner of claim 2, wherein the shape and temperature of the flame can be controlled by: the disassembly mechanism comprises a base (801), a stepping motor (802) is arranged at the top of the base (801), an engaging ring (803) is fixed on the outer side surface of the outer layer (102) of the combustor shell, an arc-shaped plate (804) is fixed at one end of the engaging ring (803), a first inclined block (18) is fixed on the inner side of the arc-shaped plate (804), the side surface of the first inclined block (18) far away from the arc-shaped plate (804) is an inclined surface, the output end of a stepping motor (802) is connected with a driving rod (805), a contact circular plate (806) is fixed at the other end of the driving rod (805), a compression spring (20) is fixed on one section of the outer side surface of the contact circular plate (806), a second inclined block (19) is fixed on the other side of the compression spring (20), the side surface of the second inclined block (19) far away from the contact circular plate (806) is an inclined surface, the inclined surface is matched with the inclined surface of the first inclined block (18), a pushing block (807) is fixed at one end of the contact circular plate (806) far away from the burner shell, the end surface of the contact circular plate (806) far away from the push block (807) is a smooth surface with one high end and one low end, the higher end of the push block (807) is the end far away from the second inclined block (19), the lower end is the end close to the second inclined block (19), a return block (17) is fixed on one side of the outer side surface of the push block (807) opposite to the second inclined block (19), and the return block (17) is arranged on one side far away from the contact circular plate (806).
4. A pure oxygen burner capable of controlling flame shape and temperature according to claim 3, wherein: a plurality of through-holes have been seted up to the lateral wall of arc (804), are provided with rubber pole (14) and can block in the through-hole, a plurality of gyro wheels (15) are installed to the side of base (801).
5. The pure oxygen burner of claim 1, wherein the shape and temperature of the flame can be controlled by: the upper end of the central gas pipe (5) is communicated with and divided into a plurality of branch pipes, and the branch pipes are uniformly arranged on the inner layer (101) of the combustor shell in a distributing mode.
6. The pure oxygen burner capable of controlling the shape and temperature of the flame according to claim 1, wherein: the primary oxygen air pipe (6) provides 15-30% of the total oxygen amount, primary combustion is carried out in the hearth, and the combustion flame is reductive flame.
7. The pure oxygen burner of claim 1, wherein the shape and temperature of the flame can be controlled by: the secondary oxygen multistage air pipe (2) provides 70-85% of the total oxygen, secondary combustion of fuel gas and incomplete combustion products is realized, and the combustion flame belongs to oxidizing flame.
8. The pure oxygen burner of claim 1, wherein the shape and temperature of the flame can be controlled by: and the pilot burner (3) is arranged in a cavity in the middle of the inner layer (101) of the burner shell.
9. The pure oxygen burner of claim 1, wherein the shape and temperature of the flame can be controlled by: and a fire detection device (4) is arranged in a cavity in the middle of the inner layer (101) of the combustor shell.
10. The pure oxygen burner capable of controlling the shape and temperature of the flame according to claim 1, wherein: the secondary oxygen multistage air pipe (2) is multi-stage injection and controls the orderly opening and closing of oxygen through a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211513239.XA CN115789637B (en) | 2022-11-29 | 2022-11-29 | Pure oxygen burner capable of controlling flame shape and temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211513239.XA CN115789637B (en) | 2022-11-29 | 2022-11-29 | Pure oxygen burner capable of controlling flame shape and temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115789637A true CN115789637A (en) | 2023-03-14 |
| CN115789637B CN115789637B (en) | 2024-04-16 |
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| US5431559A (en) * | 1993-07-15 | 1995-07-11 | Maxon Corporation | Oxygen-fuel burner with staged oxygen supply |
| KR20160129197A (en) * | 2015-04-29 | 2016-11-09 | 주식회사 컴버스텍 | oxygen berner |
| CN106402859A (en) * | 2016-10-26 | 2017-02-15 | 上海安可科技股份有限公司 | Pure-oxygen combustor |
| US20170198914A1 (en) * | 2014-09-25 | 2017-07-13 | Duerr Systems Ag | Burner head of a burner and gas turbine having a burner of this type |
| CN212456843U (en) * | 2020-06-18 | 2021-02-02 | 常州际航测试设备有限公司 | Low-pressure combustor |
| CN112902159A (en) * | 2021-01-22 | 2021-06-04 | 成都光华科技发展有限公司 | Three-channel multi-oxygen burner |
| CN113983463A (en) * | 2021-12-08 | 2022-01-28 | 北京瑞晨航宇能源科技有限公司 | Pure oxygen combustor and combustion method |
| CN217763419U (en) * | 2022-07-11 | 2022-11-08 | 岳阳钟鼎热工电磁科技有限公司 | Regional pure oxygen fractional combustion low NOx combustor |
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2022
- 2022-11-29 CN CN202211513239.XA patent/CN115789637B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5431559A (en) * | 1993-07-15 | 1995-07-11 | Maxon Corporation | Oxygen-fuel burner with staged oxygen supply |
| US20170198914A1 (en) * | 2014-09-25 | 2017-07-13 | Duerr Systems Ag | Burner head of a burner and gas turbine having a burner of this type |
| KR20160129197A (en) * | 2015-04-29 | 2016-11-09 | 주식회사 컴버스텍 | oxygen berner |
| CN106402859A (en) * | 2016-10-26 | 2017-02-15 | 上海安可科技股份有限公司 | Pure-oxygen combustor |
| CN212456843U (en) * | 2020-06-18 | 2021-02-02 | 常州际航测试设备有限公司 | Low-pressure combustor |
| CN112902159A (en) * | 2021-01-22 | 2021-06-04 | 成都光华科技发展有限公司 | Three-channel multi-oxygen burner |
| CN113983463A (en) * | 2021-12-08 | 2022-01-28 | 北京瑞晨航宇能源科技有限公司 | Pure oxygen combustor and combustion method |
| CN217763419U (en) * | 2022-07-11 | 2022-11-08 | 岳阳钟鼎热工电磁科技有限公司 | Regional pure oxygen fractional combustion low NOx combustor |
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