CN215863397U - A kind of burner - Google Patents
A kind of burner Download PDFInfo
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- CN215863397U CN215863397U CN202122303221.4U CN202122303221U CN215863397U CN 215863397 U CN215863397 U CN 215863397U CN 202122303221 U CN202122303221 U CN 202122303221U CN 215863397 U CN215863397 U CN 215863397U
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- nozzle
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Abstract
The utility model relates to the technical field of burners, and discloses a burner, which comprises: the device comprises a barrel body, a gas inlet and a flame retardant coating, wherein two ends of the barrel body are arranged in an open manner; two end face flanges, each end face flange being arranged at one open end of the cylinder; an end plate disposed on one end face flange; the gas collection chamber is arranged on the end plate; the gas inlet assembly is arranged on the gas collecting chamber and communicated with the gas collecting chamber, and the gas to be combusted can enter the gas collecting chamber through the gas inlet assembly; at least two shower nozzle subassemblies, parallel arrangement and the one end of every shower nozzle subassembly all communicates with the plenum chamber, and the barrel is stretched out to the other end, and every shower nozzle subassembly spun gas of treating can all mix with high temperature combustion air. The combustor disclosed by the utility model reduces the probability of barrel strength reduction and instrument damage, reduces the combustion speed of gas to be combusted, reduces the noise generated by combustion, ensures that the combustion gas can be fully combusted, and reduces the generation amount of nitrogen oxides.
Description
Technical Field
The utility model relates to the technical field of combustors, in particular to a combustor.
Background
The shell of the normal-temperature combustion-supporting air burner is made of carbon steel materials, the shell of the preheated medium-temperature air (the temperature is 100-300 degrees) is made of carbon steel and heat preservation materials, the front-end high-temperature radiation area and the flame area are made of stainless steel and high-strength structural steel, and the rear end of the structure close to the combustion area is made of stainless steel materials.
In order to heat the temperature of the gas to be combusted in advance and reduce the fuel consumption, the prior art mostly adopts the waste heat of the exhausted smoke to heat the combustion air, so that the temperature of the combustion air is higher than or equal to 450 ℃, and the high-temperature combustion air has higher temperature, so that the strength of a cylinder body of the combustor is reduced after the cylinder body is heated at high temperature, and the probability of damage of instruments on the end face of the combustor caused by the influence of high-temperature radiation is increased. In addition, the existing burner only has one nozzle assembly, and the one nozzle assembly enables the burning rate of the burner to be fast, the noise to be loud and more nitrogen oxides to be generated after burning.
SUMMERY OF THE UTILITY MODEL
Based on the above, the present invention provides a burner, which reduces the probability of instrument damage on the premise of ensuring the strength of the cylinder, slows down the combustion speed of the gas to be combusted, reduces the noise generated by combustion, enables the combustion gas to be fully combusted, and reduces the generation amount of nitrogen oxides.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a burner, comprising: the combustion-supporting device comprises a cylinder body, a combustion-supporting air inlet and a flame retardant coating, wherein two ends of the cylinder body are arranged in an open mode, the side face of the cylinder body is provided with the air inlet for introducing high-temperature combustion-supporting air, and the inner wall of the cylinder body is provided with the flame retardant coating; two end flanges, each end flange disposed at an open end of the barrel; an end plate disposed on one of the end face flanges; the gas collection chamber is arranged on the end plate; the gas inlet assembly is arranged on the gas collecting chamber and communicated with the gas collecting chamber, and the gas to be combusted can enter the gas collecting chamber through the gas inlet assembly; and the at least two spray head assemblies are arranged in parallel, one end of each spray head assembly is communicated with the air collection chamber, the other end of each spray head assembly extends out of the barrel, and the gas to be combusted sprayed by each spray head assembly can be mixed with high-temperature combustion air.
As an optimal scheme of combustor, every the shower nozzle subassembly all includes communicating pipe and the shower nozzle body of intercommunication, every the one end of communicating pipe all with the plenum chamber intercommunication, the other end all is equipped with the shower nozzle body.
As a preferable scheme of the combustor, at least two communication pipes are uniformly distributed along the circumferential direction of the gas collection chamber.
As a preferred scheme of combustor, the parcel has the refractory cotton layer on the shower nozzle subassembly, the parcel has the metal level on the refractory cotton layer.
As a preferable scheme of the burner, the cylinder is a metal cylinder.
As a preferable aspect of the burner, the end flange is a metal end flange.
As a preferred scheme of the combustor, the air inlet assembly comprises a first air inlet pipe and a first air inlet fixing flange arranged on the end face of the first air inlet pipe, and the first air inlet pipe is fixed on the air collection chamber.
As a preferred scheme of the combustor, a second air inlet pipe is arranged at the air inlet, one end of the second air inlet pipe is fixed on the barrel, and a second air inlet fixing flange is arranged at the other end of the second air inlet pipe.
As a preferable scheme of the burner, the tail ends of at least two nozzle assemblies are provided with flame stabilizing discs, and the flame stabilizing discs are positioned between the at least two nozzle assemblies.
As a preferable scheme of the burner, the end plate is provided with a fire observation hole.
The utility model has the beneficial effects that: the utility model discloses a burner, which comprises a barrel, a flame-proof layer arranged on the inner side of the barrel, a nozzle assembly, a nozzle assembly and a gas-liquid separator, wherein the flame-proof layer is arranged on the inner side of the barrel, the impact of high-temperature combustion air on the barrel can be reduced, the over-high temperature of the barrel is avoided, the structural strength of the barrel is ensured, the probability of instrument damage is reduced, the number of the nozzle assembly is increased, the gas to be burnt is divided into at least two parts from the original one part, the burning uniformity of the gas to be burnt is increased, the burning gas can be fully burnt out, the volume of the high-temperature combustion air under the same pressure is increased, the oxygen content is reduced, the generation amount of nitrogen oxides is reduced, the burning rate is slowed down, the noise generated by burning is reduced, the energy released in unit volume is reduced due to the increase of the volume of the high-temperature combustion air, the activation energy of the reaction of oxygen atoms and nitrogen atoms is far higher than the activation energy of the reaction of the oxygen atoms and the gas, the reaction of the oxygen atoms and the gas to be burnt is easier, thereby further reducing the formation of nitrogen oxides.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic view of a combustor provided in accordance with an embodiment of the present invention;
fig. 2 is a sectional view of a burner according to an embodiment of the present invention.
In the figure:
1. a barrel; 10. an air inlet; 11. a refractory layer; 12. a second intake pipe; 13. a second inlet mounting flange;
21. an end face flange; 22. an end plate;
3. a gas collection chamber;
4. an air intake assembly; 41. a first intake pipe; 42. a first intake mounting flange;
5. a showerhead assembly; 51. a communicating pipe; 52. a nozzle body;
6. a flame stabilizing disc;
71. a fire observation hole; 72. a beacon light; 73. pneumatic explosion-proof propeller.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; 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 embodiment provides a burner, as shown in fig. 1 and fig. 2, which includes a cylinder 1, two end flanges 21, an end plate 22, an air collection chamber 3, an air intake assembly 4 and four nozzle assemblies 5, two ends of the cylinder 1 are arranged in an open manner, an air inlet 10 for introducing high-temperature combustion air is arranged on the side surface of the cylinder 1, a fire-resistant layer 11 is arranged on the inner wall of the cylinder 1, each end flange 21 is arranged at one open end of the cylinder 1, the end plate 22 is arranged on one end flange 21, the air collection chamber 3 is arranged on the end plate 22, the air intake assembly 4 is arranged on the air collection chamber 3 and is communicated with the air collection chamber 3, the gas to be combusted can enter the air collection chamber 3 through the air intake assembly 4, the four nozzle assemblies 5 are arranged in parallel, one end of each nozzle assembly 5 is communicated with the air collection chamber 3, the other end of each nozzle assembly 5 extends out of the cylinder 1, the gas to be combusted sprayed by each nozzle assembly 5 can be mixed with the high-temperature combustion air flowing out of the cylinder 1, thereby causing the gas to be burned.
Specifically, the four nozzle assemblies 5 of the present embodiment are uniformly distributed along the circumferential direction of the plenum chamber 3, as shown in fig. 1, the ends of the four nozzle assemblies 5 are provided with flame stabilizing discs 6, the flame stabilizing discs 6 are located between the four nozzle assemblies 5 to achieve the purpose of stabilizing flame, and the flame stabilizing discs 6 of the present embodiment are made of high-strength low-alloy structural steel. Because the pressure of the gas of treating of each position is the same in the plenum chamber 3, consequently treat that the gas can be even dispersion to each shower nozzle subassembly 5 in the plenum chamber 3 for treat that the gas can be sufficient burning, guaranteed the homogeneity of flame distribution. In other embodiments, the number of the showerhead assemblies 5 is not limited to four in this embodiment, and may also be two, three, or more than four, and these showerhead assemblies 5 are all distributed along the circumferential direction of the plenum 3, and are specifically set according to actual needs.
In order to reduce the influence of the high temperature combustion air on the end plate 22, the inner side of the end plate 22 is provided with a refractory layer 11. The refractory layer 11 arranged on the inner wall of the cylinder 1 and the refractory layer 11 arranged on the inner side of the end plate 22 in the embodiment are both made of refractory material with high content of aluminum oxide. The added flame retardant coating 11 effectively blocks the direct contact of high-temperature combustion-supporting air and the barrel 1, reduces the conduction heat of the barrel 1, prolongs the service life of the burner and enables the burner to be suitable for various high-temperature working conditions.
The combustor that this embodiment provided is convenient for dismantle, the maintenance in later stage has been made things convenient for, the flame retardant coating 11 that the inboard of barrel 1 set up can reduce the impact of high temperature combustion air to barrel 1, the high temperature of barrel 1 has been avoided, the structural strength of barrel 1 has been guaranteed, the probability of instrument damage has been reduced, the increase of 5 numbers of shower nozzle subassemblies, make the gas of waiting to burn divide into four by original one, the homogeneity of waiting to burn the gas burning has been increased, the homogeneity of burning temperature field distribution has been promoted, it can fully burn up to guarantee the combustion gas, because combustion air's temperature is higher, the volume of high temperature combustion air under the same pressure increases, oxygen content reduces, make the formation of nitrogen oxide reduce and the burning rate slows down, because the square of burning noise and burning rate and burning intensity are directly proportional, therefore, the noise that waits to burn the gas burning produces reduces by a wide margin, the increase of the volume of the high-temperature combustion air leads to the reduction of the energy released in unit volume, and because the activation energy of the reaction of oxygen atoms and nitrogen is far higher than that of the reaction of oxygen atoms and fuel gas, the reaction of the oxygen atoms and the to-be-combusted gas is easier to carry out, thereby further reducing the generation of nitrogen oxides, reducing the formation of acid rain and being environment-friendly.
As shown in fig. 1 and 2, each showerhead module 5 of the present embodiment includes communicating pipes 51 and a showerhead body 52 that communicate with each other, one end of each communicating pipe 51 communicating with the plenum 3, and the other end of each communicating pipe 51 provided with the showerhead body 52. The shower nozzle subassembly 5 is gone up the parcel and is had the cotton layer of fire resistance (not shown in the figure), and the cotton layer of fire resistance goes up the parcel and has had the metal level (not shown in the figure), and the metal level not only plays the effect on sealed cotton layer of fire resistance, still protects shower nozzle subassembly 5 with the cotton layer of fire resistance together. Specifically, the communication pipe 51 of the present embodiment is a 310 stainless steel pipe, the nozzle body 52 is a 310 stainless steel nozzle, and the metal layer is a 310 stainless steel layer, so that the nozzle assembly 5 can withstand a high temperature due to the good high temperature resistance of the 310 stainless steel, and will not deform due to the increase of the temperature of the high temperature combustion air.
The barrel 1 of this embodiment is a metal barrel, specifically a 310 stainless steel barrel. The end flange 21 is a metal end flange, specifically a 310 stainless steel flange. In other embodiments, the materials of the metal cylinder and the metal end flange are not limited to 310 stainless steel in this embodiment, but may be other metal materials, and are specifically selected according to actual needs.
As shown in fig. 1, the air intake assembly 4 of this embodiment includes a first air intake pipe 41 and a first air intake fixing flange 42 disposed on an end surface of the first air intake pipe 41, the first air intake pipe 41 is fixed on the plenum chamber 3, the plenum chamber 3 is a circular cylinder, and the first air intake fixing flange 42 is communicated with a corresponding pipeline so that the gas to be burned enters the plenum chamber 3 through the first air intake pipe 41.
As shown in fig. 1 and 2, a second air inlet pipe 12 is disposed at an air inlet 10 of the present embodiment, one end of the second air inlet pipe 12 is fixed on the cylinder 1, a second air inlet fixing flange 13 is disposed at the other end of the second air inlet pipe 12, and the second air inlet fixing flange 13 is communicated with a corresponding pipeline so that heated high-temperature combustion air enters the cylinder 1 through the second air inlet pipe 12. It should be noted that the high-temperature combustion air of the embodiment is heated by using the circulating flue gas or the waste heat, so that the resources are fully utilized, and the purpose of energy conservation is achieved.
As shown in fig. 1 and fig. 2, the end plate 22 of this embodiment is provided with a fire observation hole 71, an incandescent lamp 72 and a pneumatic explosion-proof propeller 73, the fire observation hole 71 is convenient for a worker to check the condition inside the cylinder 1 at any time, the incandescent lamp 72 is used for igniting a gas to be burned, the movement of the cylinder realizes the advance and retreat of components such as an explosion-proof ignition gun, an ignition cable and a high-energy igniter on the pneumatic explosion-proof propeller 73 on the burner, and the incandescent lamp 72 and the pneumatic explosion-proof propeller 73 both belong to the prior art, and can be obtained through outsourcing, and are not described herein again.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A burner, comprising:
the combustion-supporting device comprises a cylinder body (1), wherein two ends of the cylinder body (1) are arranged in an open mode, an air inlet (10) for introducing high-temperature combustion-supporting air is formed in the side face of the cylinder body (1), and a fire-resistant layer (11) is arranged on the inner wall of the cylinder body (1);
two end flanges (21), each end flange (21) being arranged at one open end of the cylinder (1);
an end plate (22) provided on one of the end flanges (21);
a gas collection chamber (3) arranged on the end plate (22);
the gas inlet assembly (4) is arranged on the gas collection chamber (3) and is communicated with the gas collection chamber (3), and gas to be combusted can enter the gas collection chamber (3) through the gas inlet assembly (4);
the gas-fired boiler comprises at least two nozzle assemblies (5) which are arranged in parallel, wherein one end of each nozzle assembly (5) is communicated with the gas collection chamber (3), the other end of each nozzle assembly extends out of the cylinder body (1), and the gas to be fired sprayed by each nozzle assembly (5) can be mixed with high-temperature combustion air.
2. Burner according to claim 1, characterized in that each of said nozzle assemblies (5) comprises a communicating pipe (51) and a nozzle body (52) in communication, each of said communicating pipes (51) having one end communicating with said plenum chamber (3) and the other end provided with said nozzle body (52).
3. Burner according to claim 2, characterized in that at least two of said communicating tubes (51) are uniformly distributed along the circumferential direction of said plenum (3).
4. The burner according to claim 1, wherein the nozzle assembly (5) is wrapped with a refractory cotton layer, and the refractory cotton layer is wrapped with a metal layer.
5. Burner according to claim 1, characterized in that the cylinder (1) is a metal cylinder.
6. A burner according to claim 1, characterised in that the end flange (21) is a metal end flange.
7. The burner according to claim 1, characterized in that the air intake assembly (4) comprises a first air intake pipe (41) and a first air intake fixing flange (42) arranged on the end face of the first air intake pipe (41), the first air intake pipe (41) being fixed on the plenum (3).
8. The burner according to claim 1, characterized in that a second air inlet pipe (12) is arranged at the air inlet (10), one end of the second air inlet pipe (12) is fixed on the barrel (1), and the other end of the second air inlet pipe (12) is provided with a second air inlet fixing flange (13).
9. Burner according to claim 1, characterized in that the tips of at least two of said nozzle assemblies (5) are provided with flame stabilizing discs (6), said flame stabilizing discs (6) being located between at least two of said nozzle assemblies (5).
10. Burner according to claim 1, characterized in that the end plate (22) is provided with fire viewing holes (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122303221.4U CN215863397U (en) | 2021-09-23 | 2021-09-23 | A kind of burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122303221.4U CN215863397U (en) | 2021-09-23 | 2021-09-23 | A kind of burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215863397U true CN215863397U (en) | 2022-02-18 |
Family
ID=80255850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122303221.4U Active CN215863397U (en) | 2021-09-23 | 2021-09-23 | A kind of burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215863397U (en) |
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2021
- 2021-09-23 CN CN202122303221.4U patent/CN215863397U/en active Active
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