CN220061746U

CN220061746U - Burner

Info

Publication number: CN220061746U
Application number: CN202321684742.1U
Authority: CN
Inventors: 仲梅; 洪贡军; 李良城; 李�浩
Original assignee: Suzhou Krantz Environment Technology Co ltd
Current assignee: Suzhou Krantz Environment Technology Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-11-21
Anticipated expiration: 2033-06-29

Abstract

The utility model relates to the field of combustors, in particular to a combustor, which comprises a shell, wherein a first conveying pipe is arranged at one end of the shell, the air inlet end of the first conveying pipe is positioned outside the shell, and the air outlet end of the first conveying pipe extends into the shell; the shell is provided with a fuel air inlet assembly, the fuel air inlet assembly is connected with a second conveying pipe, and the second conveying pipe is positioned in the shell away from the air outlet end of the fuel air inlet assembly; an air delivery pipe is arranged on the shell, and the air outlet end of the air delivery pipe is communicated with the inner cavity of the shell; one end of the shell, which is far away from the first conveying pipe, is connected with the flame spray pipe. The utility model is beneficial to improving the practicability of the burner.

Description

Burner

Technical Field

The present utility model relates to a burner.

Background

The gas burner is a device for converting substances into heat energy through combustion, and is a heat energy device which is used for mixing air and fuel according to a proper proportion to enable the air and the fuel to be fully combusted, and sending the air and the fuel into a hearth according to required concentration, speed, turbulence and mixing mode when the gas burner is used, and enabling the fuel to be ignited and combusted stably in the hearth.

In the existing burner, a fuel inlet and an air inlet are respectively arranged on a shell of the burner. During the use, the fuel is introduced into the burner shell through the fuel inlet, the air is introduced into the burner shell through the air inlet, and the air and the fuel are combusted in the hearth of the burner shell.

During use, once a blockage of the fuel inlet occurs; or the fuel inlet is too small in caliber to influence the speed of fuel entering the burner, so that the fuel and the air cannot be fully combusted; or 2 kinds of fuel need to be simultaneously input; the existing burner cannot be used normally, and the practicability of the burner is affected.

Disclosure of Invention

In order to solve the problem of burner practicability, the utility model provides a burner.

The utility model provides a burner, which adopts the following technical scheme: the device comprises a shell, wherein a first conveying pipe is arranged at one end of the shell, the air inlet end of the first conveying pipe is positioned outside the shell, and the air outlet end of the first conveying pipe extends into the shell; the shell is provided with a fuel air inlet assembly, the fuel air inlet assembly is connected with a second conveying pipe, and the second conveying pipe is positioned in the shell away from the air outlet end of the fuel air inlet assembly; an air delivery pipe is arranged on the shell, and the air outlet end of the air delivery pipe is communicated with the inner cavity of the shell; one end of the shell, which is far away from the first conveying pipe, is connected with the flame spray pipe.

By adopting the technical scheme, the first conveying pipe and the second conveying pipe can simultaneously convey one fuel or two different fuels; when one of the delivery pipes is blocked, or when the delivery pipe is too small in caliber to influence the speed of fuel entering the burner, so that the fuel and the air cannot be fully combusted, the other delivery pipe can be started; the practicality of the burner is too high.

The fuel gas inlet assembly comprises an annular mounting ring, an annular inner cavity is formed in the annular mounting ring, a fuel gas conveying pipe is mounted on the annular mounting ring and communicated with the annular inner cavity, and a second conveying pipe is communicated with the annular inner cavity.

Through adopting above-mentioned technical scheme, the setting of annular collar not only is convenient for the installation of second conveyer pipe, moreover because annular collar is annular, the first conveyer pipe of being convenient for passes annular collar moreover to make combustor compact structure.

The side wall of the first conveying pipe at the air outlet end is provided with a first air outlet hole, and the side wall of the second conveying pipe at the air outlet end is provided with a second air outlet hole.

By adopting the technical scheme, the arrangement of the first air outlet holes effectively improves the airflow formed by the fuel sprayed out of the first conveying pipe, so that the fuel can be fully mixed with air for combustion; similarly, the second air outlet hole can effectively improve the air flow formed by the fuel sprayed out of the second conveying pipe, so that the fuel can be fully mixed with air for combustion.

The first conveying pipe at the air outlet end is connected with the flow expansion cone, a first diversion hole is formed in the flow expansion cone, and the diameter of a flow passage at one end, connected with the first conveying pipe, of the flow expansion cone is smaller than that of a flow passage at one end, far away from the first conveying pipe, of the flow expansion cone.

The diameter of the diversion holes near the first diversion holes of the first conveying pipe is smaller than that of the diversion holes far away from the first conveying pipe.

Through adopting above-mentioned technical scheme, the cooperation setting of expanding the flow cone and first water conservancy diversion hole can improve the entrainment effect of flue gas.

The second conveying pipe at the air outlet end is connected with a flow expansion disc, and a second diversion hole is formed in the flow expansion disc.

By adopting the technical scheme, the entrainment effect of the smoke can be improved by the cooperation of the flow expansion disc and the second flow guide hole.

The shell is provided with a flame detection pipeline, and the flame detection pipeline is provided with an ultraviolet flame detector.

Through adopting above-mentioned technical scheme, the setting of ultraviolet flame detector can monitor the flame in the combustor, reduces not burning in the combustor, and continuously lets in the waste that the fuel caused.

And 3 flame detection pipelines are equidistantly arranged on the outer side wall of the shell, and each flame detection pipeline is provided with an ultraviolet flame detector.

Through adopting above-mentioned technical scheme, 3 flame detection pipeline equidistance settings can effectively improve the accuracy of monitoring, just report to the police when 3 flame detection pipelines all do not monitor the flame and remind.

Sealing rings are arranged on the first conveying pipe, the second conveying pipe and the air conveying pipe.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the first conveying pipe and the second conveying pipe are arranged at the same time, and when one conveying pipe is blocked, fuel can be continuously conveyed through the other conveying pipe; when one of the delivery pipes affects the speed of fuel entering the burner because of too small caliber, the fuel can be supplemented by the other delivery pipe for a plurality of degrees of fuel entering the burner, thereby ensuring that the fuel and the air are fully combusted; 2 fuels are convenient to be simultaneously conveyed into the burner;

2. the flame in the combustor can be monitored through the arrangement of the ultraviolet flame detector, the fact that no combustion exists in the combustor is reduced, and fuel is continuously introduced to cause fuel waste.

Drawings

FIG. 1 is a schematic view of the overall structure of the burner of the present utility model.

Fig. 2 is a cross-sectional view of the burner of the present utility model.

FIG. 3 is a schematic view of the structure of the first delivery tube of the present utility model;

fig. 4 is a schematic structural view of a second delivery tube according to the present utility model.

Reference numerals illustrate:

1. a housing; 2. a first delivery tube; 3. a second delivery tube; 4. an air delivery pipe; 5. a flow expansion cone; 6. a flow expansion disc; 7. a flame detection conduit; 8. an ultraviolet flame detector; 9. a flame nozzle; 10. a seal ring; 11. an annular mounting ring; 12. an annular inner cavity; 13. a gas delivery pipe; 21. a first air outlet hole; 22. a second air outlet hole; 23. a first deflector aperture; 24. and a second deflector hole.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Example 1:

the embodiment of the utility model discloses a burner, referring to fig. 1 and 2, the burner comprises a shell 1, one end of the shell 1 is provided with a fuel air inlet component, and the fuel air inlet component is connected with a second conveying pipe 3; the shell 1 is provided with a first conveying pipe 2, one end of the first conveying pipe 2 is positioned outside the shell 1, and the other end of the first conveying pipe 2 passes through the fuel inlet assembly and then is positioned in the shell 1; an air delivery pipe 4 is arranged on the side wall of the shell 1; the other end of the housing 1 is provided with a flame nozzle 9.

Sealing rings 10 are arranged on the first conveying pipe 2, the second conveying pipe 3 and the air conveying pipe 4.

The fuel can enter the hearth of the shell 1 through the fuel inlet assembly and the second conveying pipeline 3, the fuel can also enter the hearth of the shell 1 through the first conveying pipe 2, the air can enter the hearth of the shell 1 through the air conveying pipe 4, the air and the fuel are mixed in proportion to be fully combusted, and the combustion flame is injected through the flame spray pipe 9.

Referring to fig. 2 and 4, the fuel intake assembly includes an annular mounting ring 11, and the annular mounting ring 11 is connected to the housing 1 by bolts. An annular inner cavity 12 is formed in the annular mounting ring 11, a fuel gas conveying pipe 13 is arranged on the side wall of the annular mounting ring 11, and the fuel gas conveying pipe 13 is communicated with the annular inner cavity 12. The central axis of the gas delivery pipe 13 is perpendicular to the central axis of the annular mounting ring 11. The annular mounting ring 11 is provided with a second conveying pipe 3, and the second conveying pipe 3 is communicated with the annular inner cavity 12. The central axis of the second conveying pipe 3 is parallel to the central axis of the annular mounting ring 11.

A second air outlet hole 22 is arranged on the side wall of the second conveying pipe 3 far away from the end connected with the annular mounting ring 11. The second air outlet holes 22 are formed in the circumferential direction of the second conveying pipe 3 at equal intervals.

The second conveying pipe 3 provided with one end of the second air outlet hole 22 is connected with the flow expansion disc 6. The flow expansion disc 6 is an annular flow expansion disc, and the flow expansion disc 6 is arranged in parallel with the annular mounting ring 11. A plurality of second diversion hole groups are equidistantly arranged on the flow expansion disc 6, and each second diversion hole group consists of a plurality of second diversion holes 24.

Referring to fig. 2 and 3, the housing 1 is mounted with a first delivery pipe 2, and one end of the first delivery pipe 2 passes through the annular mounting ring 11 and is connected to the annular mounting ring 11. A first air outlet hole 21 is formed in the side wall of the first conveying pipe 2 in the shell 1. The first air outlet holes 21 are formed in the circumferential direction of the first conveying pipe 2 at equal intervals.

The first conveying pipe 2 is connected with a flow expansion cone 5, one end of the flow expansion cone 5 is connected with the first conveying pipe 2, and the other end of the flow expansion cone 5 is connected with a flow expansion disc 6. The central axis of the flow expansion cone 5 coincides with the central axis of the flow expansion disc 6. The diameter of the flow passage at the end of the expansion cone 5 connected with the first conveying pipe 2 is smaller than that of the flow passage at the end of the expansion cone 5 far away from the first conveying pipe 2.

The flow expansion cone 5 is provided with a first flow guide hole 23, and the diameter of the flow guide hole of the first flow guide hole 23 close to the first conveying pipe 2 is smaller than that of the flow guide hole of the first flow guide hole 23 far away from the first conveying pipe 2.

Referring to fig. 1, 3 flame detection pipelines 7 are equidistantly installed on the outer side wall of a shell 1, the flame detection pipelines 7 are communicated with the inner cavity of the shell 1, and an ultraviolet flame detector 8 is installed on each flame detection pipeline 7.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A burner, characterized in that: the device comprises a shell (1), wherein a first conveying pipe (2) is arranged at one end of the shell (1), the air inlet end of the first conveying pipe (2) is positioned outside the shell (1), and the air outlet end of the first conveying pipe (2) extends into the shell (1); the fuel inlet assembly is arranged on the shell (1) and connected with the air inlet end of the second conveying pipe (3), and the air outlet end of the second conveying pipe (3) far away from the fuel inlet assembly is positioned in the shell (1); an air conveying pipe (4) is arranged on the shell (1), and the air outlet end of the air conveying pipe (4) is communicated with the inner cavity of the shell (1); one end of the shell (1) far away from the first conveying pipe (2) is connected with a flame spray pipe (9).

2. A burner as claimed in claim 1, wherein: the fuel inlet assembly comprises an annular mounting ring (11), an annular inner cavity (12) is formed in the annular mounting ring (11), a fuel gas conveying pipe (13) is arranged on the annular mounting ring (11), the fuel gas conveying pipe (13) is communicated with the annular inner cavity (12), and the air inlet end of the second conveying pipe (3) is communicated with the annular inner cavity (12).

3. A burner as claimed in claim 1, wherein: the side wall of the first conveying pipe (2) at the air outlet end is provided with a first air outlet hole (21), and the side wall of the second conveying pipe (3) at the air outlet end is provided with a second air outlet hole (22).

4. A burner according to claim 3, wherein: the first conveying pipe (2) at the air outlet end is connected with the flow expansion cone (5), a first diversion hole (23) is formed in the flow expansion cone (5), and the diameter of a flow passage at one end of the flow expansion cone (5) connected with the first conveying pipe (2) is smaller than that of a flow passage at one end of the flow expansion cone (5) far away from the first conveying pipe (2).

5. A burner as claimed in claim 4, wherein: the diameter of the diversion hole (23) close to the first conveying pipe (2) is smaller than that of the diversion hole (23) far away from the first conveying pipe (2).

6. A burner according to claim 3, wherein: the second conveying pipe (3) at the air outlet end is connected with a flow expansion disc (6), and a second diversion hole (24) is formed in the flow expansion disc (6).

7. A burner as claimed in claim 1, wherein: the flame detection device is characterized in that a flame detection pipeline (7) is arranged on the shell (1), and an ultraviolet flame detector (8) is arranged on the flame detection pipeline (7).

8. A burner as claimed in claim 7, wherein: 3 flame detection pipelines (7) are equidistantly arranged on the outer side wall of the shell (1), and each flame detection pipeline (7) is provided with an ultraviolet flame detector (8).

9. A burner as claimed in claim 1, wherein: sealing rings (10) are arranged on the first conveying pipe (2), the second conveying pipe (3) and the air conveying pipe (4).