Burner capable of feeding fuel uniformly

Abstract

The utility model relates to the field of combustors, in particular to a uniform fuel feeding combustor which comprises a combustor body, a combustion tube is arranged on one side of the combustor body, a guide tube is inserted into the combustion tube, and the combustion tube and the guide tube are connected through a plurality of fixing bolts. A first feeding pipe and a second feeding pipe are sequentially arranged on the side, close to the combustor body, of the outer portion of the combustion pipe at equal intervals, a main feeding pipe is connected to the upper portion of the first feeding pipe and the upper portion of the second feeding pipe, and the first feeding pipe, the second feeding pipe and the main feeding pipe are connected through a plurality of fixing mechanisms. According to the utility model, the fuel can uniformly enter the combustion pipe of the combustor body through the main feeding pipe, the first feeding pipe and the second feeding pipe, and the guide cavity of the guide pipe is inclined to a certain degree, so that the fuel is prevented from being accumulated at the bottom of the guide pipe through the guide pipe, and the combustion efficiency of the combustor on the fuel is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a burner with uniform fuel feeding. Background Art

[0002] Burner is a general term for a device that sprays fuel and air in a certain way for mixed combustion. Burners are divided into industrial burners, burners, civil burners, and special burners according to their types and application areas. They are mostly made of corrosion-resistant and high-temperature-resistant materials such as stainless steel or titanium.

[0003] Most burners are only provided with a single feed pipe, which easily causes fuel to accumulate on the side of the burner tube close to the burner, and easily leads to the phenomenon that the burner does not burn its fuel fully. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a burner with uniform fuel feeding.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A burner with uniform fuel feed comprises a burner body, a combustion tube is arranged on one side of the burner body, a guide tube is inserted into the interior of the combustion tube, and the combustion tube and the guide tube are connected by a plurality of fixing bolts, a first feed tube and a second feed tube are arranged in sequence at equal distances on the outside of the combustion tube on one side of the burner body, a main feed tube is connected above the first feed tube and the second feed tube, and the first feed tube, the second feed tube and the main feed tube are connected by a plurality of fixing mechanisms.

[0007] In addition, a preferred structure is that the main feed pipe includes a fixed pipe, and a first inclined connecting pipe and a second inclined connecting pipe are symmetrically arranged on both sides of the bottom of the fixed pipe, and the other end of the first inclined connecting pipe is connected to the first vertical pipe, and the other end of the second inclined connecting pipe is connected to the second vertical pipe.

[0008] In addition, a preferred structure is that a first mounting ring is installed on the outside of the bottom of the first vertical pipe, and a second mounting ring is installed on the outside of the bottom of the second vertical pipe.

[0009] In addition, a preferred structure is that a fixed mounting ring is installed on the top of the first feed pipe and the second feed pipe, the fixing mechanism includes a fixing bolt and a fixing nut, and the first mounting ring, the second mounting ring, the fixed mounting ring of the first feed pipe, and the fixed mounting ring of the second feed pipe are all provided with through holes at the fixing bolts.

[0010] In addition, a preferred structure is that a guide cavity is opened inside the guide tube, and the diameter of the guide cavity increases gradually from a side close to the burner body to a side away from the burner body.

[0011] In addition, the preferred structure is that one side of the guide tube passes through the combustion tube and is connected to a fixing ring, and an external threaded portion is provided on the outside of the guide tube close to the fixing ring, and a plurality of mounting holes are provided in the fixing ring at equal distances outside the guide tube.

[0012] In addition, a preferred structure is that an internal threaded portion is adapted to be provided at the external threaded portion of the guide tube on a side of the combustion tube away from the burner body, and the internal threaded portion and the external threaded portion are clearance-matched.

[0013] The beneficial effects of the utility model are:

[0014] In the utility model, the fuel is facilitated to evenly enter the combustion tube of the burner body through the main feed pipe and the first feed pipe and the second feed pipe, and because the guide cavity of the guide tube is inclined to a certain extent, the guide tube can prevent the fuel from accumulating at the bottom, thereby improving the combustion efficiency of the burner for its fuel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a burner with uniform fuel feeding proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the burner body and the main feed pipe separated according to the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the burner body and the guide tube separated according to the utility model;

[0018] Figure 4 This is a structural schematic diagram of the wire tube cross section proposed by the utility model.

[0019] In the figure: 1. burner body; 11. combustion tube; 12. first feed tube; 13. second feed tube; 2. guide tube; 21. fixing ring; 22. external threaded portion; 23. guide cavity; 3. fixing bolt; 4. main feed tube; 41. fixing pipeline; 42-1. first inclined connecting pipe; 42-2. second inclined connecting pipe; 43-1. first vertical pipeline; 43-2. ​​second vertical pipeline; 44-1. first mounting ring; 44-2. second mounting ring; 5. fixing mechanism. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4 A burner with uniform fuel feed comprises a burner body 1, a combustion tube 11 is arranged on one side of the burner body 1, a guide tube 2 is inserted in the interior of the combustion tube 11, and the combustion tube 11 and the guide tube 2 are connected by a plurality of fixing bolts 3, a first feed tube 12 and a second feed tube 13 are arranged in sequence at equal distances on the outside of the combustion tube 11 on one side of the burner body 1, and a main feed tube 4 is connected above the first feed tube 12 and the second feed tube 13, and the first feed tube 12, the second feed tube 13 and the main feed tube 4 are connected by a plurality of fixing mechanisms 5, wherein it is worth noting that the specific structure, connection method and working method of the burner body 1 and the combustion tube 11 are all prior arts, and do not belong to the main technical problems to be solved in this technical scheme.

[0022] At the same time, the main feed pipe 4 includes a fixed pipe 41, and a first inclined connecting pipe 42-1 and a second inclined connecting pipe 42-2 are symmetrically arranged on both sides of the bottom of the fixed pipe 41, and the other end of the first inclined connecting pipe 42-1 is connected to the first vertical pipe 43-1, and the other end of the second inclined connecting pipe 42-2 is connected to the second vertical pipe 43-2, and the connection between the first inclined connecting pipe 42-1 and the second inclined connecting pipe 42-2 is chamfered to ensure the smooth flow of fuel and improve the fluidity of the fuel.

[0023] Meanwhile, a first mounting ring 44 - 1 is mounted on the outside of the bottom of the first vertical pipe 43 - 1 , and a second mounting ring 44 - 2 is mounted on the outside of the bottom of the second vertical pipe 43 - 2 .

[0024] In addition, fixed mounting rings are installed on the tops of the first feed pipe 12 and the second feed pipe 13, the fixing mechanism 5 includes fixing bolts and fixing nuts, and through holes are opened in the first mounting ring 44-1, the second mounting ring 44-2, the fixed mounting ring of the first feed pipe 12, and the fixed mounting ring of the second feed pipe 13 at the fixing bolts.

[0025] Furthermore, a guide cavity 23 is provided inside the guide tube 2, and the diameter of the guide cavity 23 on the side close to the burner body 1 gradually increases toward the side away from the burner body 1, so that the wire cavity 23

[0026] Furthermore, one side of the guide tube 2 passes through the combustion tube 11 and is connected to a fixing ring 21 , and an external threaded portion 22 is provided on the outside of the guide tube 2 near the fixing ring 21 , and a plurality of mounting holes are provided in the fixing ring 21 at equal distances outside the guide tube 2 .

[0027] Furthermore, an internal threaded portion is adapted to be provided at the external threaded portion 22 of the guide tube 2 on the side of the combustion tube 11 away from the burner body 1 , and the internal threaded portion and the external threaded portion 22 are clearance-matched.

[0028] In this embodiment, the fuel is injected through the main feed pipe 4, and then the fuel flows along the main feed pipe 4 to the first feed pipe 12 and the second feed pipe 13 respectively, and finally enters the combustion tube 11 of the burner body 1 through the first feed pipe 12 and the second feed pipe 13. At the same time, the connection points of the first inclined connecting pipe 42-1 and the second inclined connecting pipe 42-2 are both provided with chamfers to ensure the smooth flow of the fuel and improve the fluidity of the fuel.

[0029] Next, since the guide cavity 23 of the guide tube 2 is inclined to a certain extent, the guide tube 2 can prevent the fuel from accumulating at the bottom thereof, thereby improving the combustion efficiency of the burner for the fuel. The external threaded portion 22 of the guide tube 2 is screwed with the internal threaded portion of the combustion tube 11 to complete the installation of the guide tube 2, and the fixing bolt 3 is driven through the installation hole of the wire tube 2 to further ensure the stability of the connection between the guide tube 2 and the combustion tube 11.

[0030] In the utility model, the fuel is facilitated to evenly enter the combustion tube of the burner body 1 through the main feed pipe 4 and the first feed pipe 12 and the second feed pipe 13, and because the guide cavity 23 of the guide tube 2 is inclined to a certain extent, the guide tube 2 can prevent the fuel from accumulating at the bottom, thereby improving the combustion efficiency of the burner for its fuel.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A burner with uniform fuel feed, comprising a burner body (1), characterized in that: A combustion tube (11) is arranged on one side of the burner body (1), a guide tube (2) is inserted into the interior of the combustion tube (11), and the combustion tube (11) and the guide tube (2) are connected by a plurality of fixing bolts (3), a first feed tube (12) and a second feed tube (13) are arranged in sequence at equal distances on the outside of the combustion tube (11) and on one side of the burner body (1), and a main feed tube (4) is connected above the first feed tube (12) and the second feed tube (13), and the first feed tube (12), the second feed tube (13) and the main feed tube (4) are connected by a plurality of fixing mechanisms (5).

2. A burner with uniform fuel feed according to claim 1, characterized in that: The main feed pipe (4) comprises a fixed pipe (41), a first inclined connecting pipe (42-1) and a second inclined connecting pipe (42-2) symmetrically arranged on both sides of the bottom of the fixed pipe (41), and the other end of the first inclined connecting pipe (42-1) is connected to the first vertical pipe (43-1), and the other end of the second inclined connecting pipe (42-2) is connected to the second vertical pipe (43-2).

3. A burner with uniform fuel feed according to claim 2, characterized in that: A first mounting ring (44-1) is installed on the outside of the bottom of the first vertical pipe (43-1), and a second mounting ring (44-2) is installed on the outside of the bottom of the second vertical pipe (43-2).

4. A burner with uniform fuel feed according to claim 1, characterized in that: A fixed mounting ring is installed at the top of the first feed pipe (12) and the second feed pipe (13), the fixing mechanism (5) comprises a fixing bolt and a fixing nut, and through holes are opened in the first mounting ring (44-1), the second mounting ring (44-2), the fixed mounting ring of the first feed pipe (12), and the fixed mounting ring of the second feed pipe (13) at the location of the fixing bolt.

5. A burner with uniform fuel feed according to claim 1, characterized in that: A guide cavity (23) is provided inside the guide tube (2), and the diameter of the guide cavity (23) gradually increases from a side close to the burner body (1) to a side away from the burner body (1).

6. A burner with uniform fuel feed according to claim 5, characterized in that: One side of the guide tube (2) passes through the combustion tube (11) and is connected to a fixing ring (21), and an external threaded portion (22) is provided on the outside of the guide tube (2) near the fixing ring (21), and a plurality of mounting holes are provided in the fixing ring (21) at equal distances outside the guide tube (2).

7. A burner with uniform fuel feed according to claim 1, characterized in that: An internal threaded portion is adapted to be provided on the combustion tube (11) at a side away from the burner body (1) and located at the external threaded portion (22) of the guide tube (2), and the internal threaded portion and the external threaded portion (22) are clearance-matched.

Images