CN110805898B - Adjustable combustor - Google Patents
Adjustable combustor Download PDFInfo
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- CN110805898B CN110805898B CN201911055659.6A CN201911055659A CN110805898B CN 110805898 B CN110805898 B CN 110805898B CN 201911055659 A CN201911055659 A CN 201911055659A CN 110805898 B CN110805898 B CN 110805898B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention relates to the technical field of burners, and aims to provide an adjustable burner which comprises a combustion barrel, an air inlet device and a gas valve group which are arranged at one end of the combustion barrel, and a plurality of gas transmission pipes and ignition devices which are arranged in the combustion barrel; a combustion port is formed in one end, far away from the gas valve group, of the combustion barrel, and a gas outlet is formed in one end, close to the combustion port, of the gas pipe; the gas pipe comprises a fixed pipe connected to the gas valve group and a rotating pipe rotatably connected to the end part of the fixed pipe along the axial lead, and the gas outlet is formed in the side wall of the end part of the rotating pipe; and a rotating device for controlling the rotating pipe to rotate along the axis is arranged in the combustion cylinder. The gas outlet is arranged on the side wall of the rotating pipe, so that gas can be sprayed out from the end part of the rotating pipe along the radial direction, and the rotating device can control the rotating pipe to rotate relative to the fixed pipe, thereby changing the spraying direction of the gas and realizing the adjustment of factors such as flame combustion area, range, combustion temperature and the like.
Description
Technical Field
The invention relates to the technical field of combustors, in particular to an adjustable combustor.
Background
The burner is a general term for a device for ejecting fuel and air in a certain manner to perform mixed combustion. The burners are classified into industrial burners, civil burners and special burners according to types and application fields.
At present, chinese patent document with an authorization and bulletin number of CN207407340U in the prior art discloses a low-nitrogen burner, which comprises a combustion cylinder with an axial through, wherein a gas pipe is fixedly connected in the combustion cylinder, a combustion plate is fixedly connected to the upper end of the gas pipe, through circulation holes are uniformly distributed on the combustion plate, a plurality of horizontal jet pipes are fixedly connected to the combustion plate, the inner ends of the jet pipes are communicated with the gas pipe, the outer end of the gas pipe is communicated with the combustion cylinder, impellers are arranged on the inner side of the lower end of the gas pipe, and the impellers comprise a plurality of obliquely arranged blades. The low-nitrogen combustor has the advantages of simple structure and high combustion efficiency.
In the combustor in the above patent document, the arrangement of the impeller causes the air introduced into the combustion cylinder to circulate in a swirling manner, so that the flame is spirally diffused; however, if the angle or range of the flame is to be changed, the corresponding impeller must be replaced, which is troublesome, and a different impeller needs to be prepared, which increases the cost.
Disclosure of Invention
The invention aims to provide an adjustable burner which has the effect of adjusting the burning angle or range of flame.
The technical purpose of the invention is realized by the following technical scheme:
an adjustable burner comprises a combustion cylinder, an air inlet device and a gas valve group which are arranged at one end of the combustion cylinder, a plurality of gas pipes which are arranged in the combustion cylinder and connected with the gas valve group, and an ignition device for igniting gas; a combustion port is formed in one end, far away from the gas valve group, of the combustion barrel, and a gas outlet is formed in one end, close to the combustion port, of the gas pipe; the gas pipe comprises a fixed pipe connected to the gas valve group and a rotating pipe rotatably connected to the end part of the fixed pipe along the axial lead, and the gas outlet is formed in the side wall of the end part of the rotating pipe; and a rotating device for controlling the rotating pipe to rotate along the axis is arranged in the combustion cylinder.
Through adopting above-mentioned technical scheme, the gas export is seted up on the lateral wall of rotating-tube, makes the gas can be radially spout from the tip of rotating-tube, and utilizes rotating device can control the rotating-tube and rotate relatively fixed pipe to change gas spun direction, realize the adjustment of factors such as flame combustion area, scope and burning temperature.
The invention is further configured to: the gas transmission pipes are uniformly distributed on the inner side of the combustion cylinder along the circumferential direction of the combustion cylinder; the included angles between the opening direction of the gas outlet on each gas transmission pipe and the tangential direction of the circumference are the same.
Through adopting above-mentioned technical scheme for gas-supply pipe spun gas can evenly distributed, thereby makes spun flame towards central direction gathering and diffusion, or be the heliciform blowout, satisfies the burning demand of different situation.
The invention is further configured to: the rotating device comprises rotating outer teeth arranged on the outer wall of the rotating pipe along the circumferential direction, and rotating rings connected to the outer sides of all the gas conveying pipes in a rotating mode along the axial lead of the combustion barrel, and rotating inner teeth which are meshed with the rotating outer teeth on the outer wall of any rotating pipe are arranged on the inner wall of each rotating ring along the circumferential direction.
By adopting the technical scheme, the rotation inner teeth and the rotation outer teeth which are meshed with each other are utilized, so that the rotating ring can simultaneously control all the rotating pipes to synchronously rotate by the same angle, the operation is simple and convenient, and the precision is high.
The invention is further configured to: a circle of inclined tooth blocks are arranged on the side wall of the rotating ring along the circumferential direction; a bevel gear meshed with the helical tooth block is hinged in the combustion cylinder, and the axial lead of the bevel gear extends along the radial direction of the combustion cylinder; a rotating shaft penetrating through the outer wall of the combustion cylinder is arranged on the bevel gear along the axial lead, and the rotating shaft is rotationally connected with the combustion cylinder; and an operating hand wheel is fixedly connected to the end part of the rotating shaft penetrating through the combustion cylinder.
By adopting the technical scheme, an operator can conveniently rotate the rotating ring by using the operating hand wheel from the outer side of the combustion cylinder, and the rotating hand wheel can drive the rotating shaft to rotate when rotating, so that the meshed rotating ring is driven to rotate by using the bevel gear which synchronously rotates.
The invention is further configured to: the inner diameter of the fixed pipe is larger than the outer diameter of the rotating pipe, and the rotating pipe is rotatably connected in the fixed pipe; the fixed pipe is provided with a sealing device, and the sealing device comprises a sealing ring which is in threaded connection with the outer side of the fixed pipe along the length direction of the fixed pipe; the sealing ring extends to the rotating tube outside towards the one end of rotating tube to be provided with the extension limit of contracting inwards in the tip, one side of extending the limit towards fixed pipe is provided with the sealing washer that is used for the gap between shutoff fixed pipe and the rotating tube.
Through adopting above-mentioned technical scheme, after the rotating tube rotated the angle of adjustment, rotatory sealing ring made it along the screw thread towards fixed pipe direction motion to utilize the sealing washer to carry out the shutoff to the gap between fixed pipe and the rotating tube, prevent that the gas from revealing from the gap.
The invention is further configured to: the end part of the fixed pipe facing the rotating pipe is provided with anti-skid grains; the sealing ring is made of high-temperature-resistant rubber.
Through adopting above-mentioned technical scheme, because the sealing washer when carrying out the shutoff with rotate between the tub outer wall extrusion contact each other, then utilize the frictional force between fixed tub of tip of antiskid line reinforcing and the sealing washer to make and be difficult to take place relative rotation between fixed pipe and the sealing ring, utilize the sealing washer to restrict the rotating tube simultaneously, prevent that the rotating tube from taking place to deflect under gas spun effort.
The invention is further configured to: the outer wall of the sealing ring is circumferentially provided with driving outer teeth; the sealing device also comprises a driving ring which is rotationally connected to the outer sides of all the gas transmission pipes along the axial lead of the combustion barrel, and driving inner teeth which are mutually meshed with the driving outer teeth on the outer wall of any sealing ring are arranged on the inner wall of the driving ring along the circumferential direction; the driving outer teeth and the driving inner teeth can slide relatively along the axial lead direction of the driving ring.
Through adopting above-mentioned technical scheme, utilize intermeshing's drive internal tooth and drive external tooth, make the drive ring can control all sealing rings synchronous rotation the same angle simultaneously to utilize the sealing washer to carry out the shutoff to the gap between all fixed pipes and the rotating tube simultaneously, easy operation is convenient.
The invention is further configured to: straight tooth blocks are arranged on the outer wall of the driving ring along the circumferential direction, and a control gear meshed with the straight tooth blocks is hinged in the combustion cylinder; the control gear is provided with a control shaft along the axial lead, and a control push rod is fixedly connected to the control shaft.
By adopting the technical scheme, the driving ring can be conveniently rotated by an operator by utilizing the control push rod, and the control shaft can be driven to rotate when the control push rod is pushed, so that the meshed driving ring can be driven to rotate by utilizing the control gear which synchronously rotates.
The invention is further configured to: an outward-protruding hollow mounting seat is arranged on the outer wall of the combustion cylinder at the control gear, and the inward side of the mounting seat is communicated with the inner cavity of the combustion cylinder; the control gear is hinged in the mounting seat, the control shaft penetrates through the side wall of the mounting seat, and the control push rod is arranged at the end part of the control shaft, which is positioned outside the combustion cylinder.
Through adopting above-mentioned technical scheme, utilize the mount pad to increase the space in the combustion section of thick bamboo, be convenient for control the installation of gear, and control the lateral wall department that the axle runs through the mount pad and be convenient for carry out sealing measure, can effectively prevent to reveal.
In conclusion, the beneficial effects of the invention are as follows:
1. the gas outlet is arranged on the side wall of the rotating pipe, so that gas is sprayed out from the end part of the rotating pipe along the radial direction, and the rotating device can control the rotating pipe to rotate relative to the fixed pipe, thereby changing the spraying direction of the gas and realizing the adjustment of factors such as flame combustion area, range, combustion temperature and the like;
2. after the rotating pipe rotates to adjust the angle, the sealing ring is rotated to enable the sealing ring to move towards the direction of the fixed pipe along the threads, so that a gap between the fixed pipe and the rotating pipe is sealed by the sealing ring, and gas is prevented from leaking from the gap.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the gas valve assembly and the gas pipe of the present invention;
FIG. 3 is an exploded view of the gas pipe according to the present invention;
FIG. 4 is a schematic structural view of a gas pipe and a rotating device according to the present invention;
FIG. 5 is a schematic structural view of a gas pipe and a sealing device according to the present invention;
fig. 6 is an enlarged schematic view at a in fig. 1.
Reference numerals: 1. a combustion can; 11. a burner port; 12. a mounting seat; 2. an air intake device; 3. a gas valve group; 4. a gas delivery pipe; 41. a fixed tube; 411. anti-skid lines; 42. rotating the tube; 421. a gas outlet; 5. an ignition device; 6. a rotating device; 61. rotating the outer teeth; 62. a rotating ring; 621. rotating the inner teeth; 622. a skewed tooth block; 63. a bevel gear; 631. a rotating shaft; 64. operating a hand wheel; 7. a sealing device; 71. a seal ring; 711. an extension edge; 712. a seal ring; 713. a drive outer gear; 72. a drive ring; 721. driving the inner teeth; 722. a straight tooth block; 73. a steering gear; 731. a steering shaft; 74. the push rod is operated.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment discloses an adjustable combustor, as shown in fig. 1 and 2, including a combustion cylinder 1, one end of the combustion cylinder 1 is provided with a combustion port 11 for spraying flame, and the other end of the combustion cylinder 1 is connected with an air intake device 2 and a gas valve group 3. The gas valve group 3 is connected with a main pipe in the combustion cylinder 1, the main pipe is branched and connected with a plurality of gas pipes 4, all the gas pipes 4 extend along the axial lead direction of the combustion cylinder 1 and are uniformly distributed on the inner side of the combustion cylinder 1 along the circumferential direction of the combustion cylinder 1, and the end parts of the gas pipes 4 are provided with gas outlets 421; and an ignition device 5 for igniting gas is arranged on the gas valve group 3 and at the inner side of all the gas transmission pipes 4.
As shown in fig. 3, the gas pipe 4 includes a fixed pipe 41 connected to the main pipe, and a rotating pipe 42 rotatably connected to the end of the fixed pipe 41 along the axial line, and the gas outlet 421 is opened on the side wall of the end of the rotating pipe 42, so that the gas can be sprayed out from the end of the rotating pipe 42 along the radial direction, and the rotating pipe 42 is rotated, thereby changing the spraying direction of the gas, and realizing the adjustment of factors such as the flame combustion area, the flame combustion range, the combustion temperature, and the like.
As shown in fig. 3 and 4, the combustion cylinder 1 is provided with a rotation device 6 for controlling the rotation of the rotation pipe 42 along the axial line. The rotating device 6 comprises rotating outer teeth 61 which are arranged and fixed on the outer wall of the rotating pipe 42 along the circumferential direction, a rotating ring 62 which is connected to the outer sides of all the gas transmission pipes 4 along the axial lead of the combustion cylinder 1 in a rotating way, and rotating inner teeth 621 which are mutually meshed with the rotating outer teeth 61 on the outer wall of all the rotating pipe 42 are arranged and fixed on the inner wall of the rotating ring 62 along the circumferential direction; the rotation ring 62 can simultaneously control all the rotation tubes 42 to synchronously rotate by the same angle by utilizing the rotation inner teeth 621 and the rotation outer teeth 61 which are meshed with each other, and the operation is simple and convenient, and the precision is high. And the contained angle homogeneous phase between the opening direction of the gas outlet 421 on each gas-supply pipe 4 and the circumference tangential direction for gas-supply pipe 4 spun gas can evenly distributed, thereby make spun flame towards central direction gathering and diffusion, or be the heliciform blowout, satisfy the burning demand of different situation.
As shown in fig. 4 and 6, a circle of helical tooth blocks 622 are fixed on the side wall of the rotating ring 62 along the circumferential direction, and a bevel gear 63 meshed with the helical tooth blocks 622 is hinged in the combustion cylinder 1; the axis of the bevel gear 63 extends along the radial direction of the combustion cylinder 1, a rotating shaft 631 penetrating the outer wall of the combustion cylinder 1 is fixedly connected to the bevel gear 63 along the axis, the rotating shaft 631 is rotatably connected to the combustion cylinder 1, and an operating hand wheel 64 is fixedly connected to the end of the rotating shaft 631 penetrating the combustion cylinder 1. The rotation of the control operating hand wheel 64 can drive the rotation shaft 631 to rotate, so that the meshed rotation ring 62 is driven to rotate by the bevel gear 63 which rotates synchronously, and the operation of an operator from the outer side of the combustion cylinder 1 is facilitated.
As shown in fig. 3 and 5, the inner diameter of the fixed tube 41 is larger than the outer diameter of the rotating tube 42, and the rotating tube 42 is rotatably connected to the inner side of the fixed tube 41, so that a certain gap is formed between the fixed tube 41 and the rotating tube 42, and the fixed tube 41 is provided with a sealing device 7 for sealing the gap between the fixed tube 41 and the rotating tube 42. The sealing device 7 comprises sealing rings 71 which are screwed to the outer side of the fixed pipe 41 along the length direction of the fixed pipe 41, and a driving ring 72 which is rotatably connected to the outer sides of all the sealing rings 71 along the axial lead of the combustion cylinder 1, wherein one end of the sealing ring 71 facing the rotating pipe 42 extends to the outer side of the rotating pipe 42, an extending edge 711 which contracts inwards is integrally formed at the end part, and a sealing ring 712 made of high-temperature resistant rubber is fixedly connected to one side of the extending edge 711 facing the fixed pipe 41. After the rotating pipe 42 is rotated to adjust the angle, the sealing ring 71 is rotated to move toward the fixed pipe 41 along the screw thread, so that the sealing ring 712 seals the gap between the fixed pipe 41 and the rotating pipe 42 to prevent the gas from leaking from the gap.
Because the sealing ring 712 is in mutual pressing contact with the outer wall of the rotating pipe 42 while being sealed, the end part of the fixed pipe 41 facing the rotating pipe 42 is provided with the anti-slip grains 411, and the friction force between the end part of the fixed pipe 41 and the sealing ring 712 is enhanced by the anti-slip grains 411, so that the fixed pipe 41 and the sealing ring 71 are difficult to rotate relatively, and meanwhile, the sealing ring 712 is used for limiting the rotating pipe 42, and the rotating pipe 42 is prevented from deflecting under the action force of gas ejection.
As shown in fig. 2 and 5, the outer wall of the seal ring 71 is circumferentially provided with external drive teeth 713, the inner wall of the drive ring 72 is circumferentially provided with internal drive teeth 721 which are engaged with the external drive teeth 713 on the outer wall of any one of the seal rings 71, and the external drive teeth 713 and the internal drive teeth 721 can slide relative to each other in the axial direction of the drive ring 72. The driving ring 72 can simultaneously control all the sealing rings 71 to synchronously rotate by the same angle by using the driving inner teeth 721 and the driving outer teeth 713 which are meshed with each other, and the movement of the sealing rings 71 along the thread direction is not influenced, so that gaps between all the fixed pipes 41 and the rotating pipes 42 are simultaneously sealed by using the sealing rings 712, and the operation is simple and convenient.
As shown in fig. 5 and 6, an outward convex and hollow mounting seat 12 is welded on the outer wall of the combustion cylinder 1, and the inward side of the mounting seat 12 is communicated with the inner cavity of the combustion cylinder 1; a control gear 73 is hinged in the mounting seat 12, the axis of the control gear 73 is parallel to the axis of the driving ring 72, and a plurality of straight tooth blocks 722 which are mutually meshed with the control gear 73 are arranged on the outer wall of the driving ring 72 along the circumferential direction; when the control gear 73 rotates, the drive ring 72 can be driven to rotate.
As shown in fig. 5 and 6, a control shaft 731 is fixedly connected to the control gear 73 along the axial line, the control shaft 731 penetrates through the sidewall of the mounting base 12, and a control push rod 74 is fixedly connected to the end penetrating through the mounting base 12. The operator can control the driving ring 72 to rotate from the outer side of the combustion barrel 1 to realize sealing.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. An adjustable burner comprises a combustion cylinder (1), an air inlet device (2) and a gas valve group (3) which are arranged at one end of the combustion cylinder (1), a plurality of air conveying pipes (4) which are arranged in the combustion cylinder (1) and connected with the gas valve group (3), and an ignition device (5) for igniting gas; a combustion port (11) is formed in one end, far away from the gas valve group (3), of the combustion barrel (1), and a gas outlet (421) is formed in one end, close to the combustion port (11), of the gas conveying pipe (4); the method is characterized in that: the gas conveying pipe (4) comprises a fixed pipe (41) connected to the gas valve group (3) and a rotating pipe (42) rotatably connected to the end part of the fixed pipe (41) along the axial lead, and the gas outlet (421) is formed in the side wall of the end part of the rotating pipe (42); a rotating device (6) for controlling the rotating pipe (42) to rotate along the axis is arranged in the combustion cylinder (1); the gas transmission pipes (4) are uniformly distributed on the inner side of the combustion cylinder (1) along the circumferential direction of the combustion cylinder (1); the included angles between the openings of the gas outlets (421) on the gas conveying pipes (4) and the tangential direction of the circumference are the same; rotating device (6) are including arranging rotation external tooth (61) that sets up on rotating tube (42) outer wall along circumference, rotate swivel becket (62) of connecting in all gas-supply pipes (4) outsides along the axial lead of a burning section of thick bamboo (1), arrange along circumference on the inner wall of swivel becket (62) and be provided with the rotation internal tooth (621) that all intermeshing with rotation external tooth (61) on arbitrary rotating tube (42) outer wall.
2. The adjustable burner of claim 1, wherein: a circle of inclined tooth blocks (622) are arranged on the side wall of the rotating ring (62) along the circumferential direction; a bevel gear (63) which is meshed with the inclined tooth block (622) is hinged in the combustion cylinder (1), and the axis line of the bevel gear (63) extends along the radial direction of the combustion cylinder (1); a rotating shaft (631) penetrating through the outer wall of the combustion cylinder (1) is arranged on the bevel gear (63) along the axial lead, and the rotating shaft (631) is rotatably connected with the combustion cylinder (1); the rotating shaft (631) penetrates through the end part of the combustion cylinder (1) and is fixedly connected with an operating hand wheel (64).
3. The adjustable burner of claim 1, wherein: the inner diameter of the fixed pipe (41) is larger than the outer diameter of the rotating pipe (42), and the rotating pipe (42) is rotatably connected in the fixed pipe (41); the fixed pipe (41) is provided with a sealing device (7), and the sealing device (7) comprises a sealing ring (71) which is in threaded connection with the outer side of the fixed pipe (41) along the length direction of the fixed pipe (41); one end of the sealing ring (71) facing the rotating pipe (42) extends to the outer side of the rotating pipe (42), an extending edge (711) which contracts inwards is arranged at the end of the sealing ring, and a sealing ring (712) used for sealing a gap between the fixed pipe (41) and the rotating pipe (42) is arranged on one side of the extending edge (711) facing the fixed pipe (41).
4. The adjustable burner of claim 3, wherein: the end part of the fixed pipe (41) facing the rotating pipe (42) is provided with anti-skid grains (411); the sealing ring (712) is made of high-temperature-resistant rubber.
5. The adjustable burner of claim 3, wherein: the outer wall of the sealing ring (71) is circumferentially provided with driving outer teeth (713) in an arrangement manner; the sealing device (7) further comprises a driving ring (72) which is rotationally connected to the outer sides of all the gas transmission pipes (4) along the axial lead of the combustion barrel (1), and driving inner teeth (721) which are mutually meshed with the driving outer teeth (713) on the outer wall of any sealing ring (71) are arranged on the inner wall of the driving ring (72) in a circumferential direction; the driving external teeth (713) and the driving internal teeth (721) can slide relatively along the axial lead direction of the driving ring (72).
6. The adjustable burner of claim 5, wherein: straight tooth blocks (722) are arranged on the outer wall of the driving ring (72) in a circumferential manner, and a control gear (73) meshed with the straight tooth blocks (722) is hinged in the combustion barrel (1); the control gear (73) is provided with a control shaft (731) along the axis, and the control shaft (731) is fixedly connected with a control push rod (74).
7. The adjustable burner of claim 6, wherein: an outward convex and hollow mounting seat (12) is arranged on the outer wall of the combustion cylinder (1) at the control gear (73), and the inward side of the mounting seat (12) is communicated with the inner cavity of the combustion cylinder (1); the control gear (73) is hinged in the mounting seat (12), the control shaft (731) penetrates through the side wall of the mounting seat (12), and the control push rod (74) is arranged on the end part of the control shaft (731) located on the outer side of the combustion cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911055659.6A CN110805898B (en) | 2019-10-31 | 2019-10-31 | Adjustable combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911055659.6A CN110805898B (en) | 2019-10-31 | 2019-10-31 | Adjustable combustor |
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| CN110805898A CN110805898A (en) | 2020-02-18 |
| CN110805898B true CN110805898B (en) | 2021-06-18 |
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| CN201911055659.6A Active CN110805898B (en) | 2019-10-31 | 2019-10-31 | Adjustable combustor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578294B (en) * | 2020-04-03 | 2022-12-23 | 乐清市亿得利燃烧器有限公司 | Side-spraying burner |
| CN113883510B (en) * | 2021-11-08 | 2023-11-14 | 上海电机学院 | Air inlet device for promoting gas-air mixing and emission reduction based on connection distortion mapping |
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