Anti-backfire unit of low-nitrogen combustion head for combustor

Abstract

The utility model relates to the technical field of combustors, and discloses a low-nitrogen combustion head anti-backfire unit for a combustor, which comprises a combustor body and is characterized in that a combustion head body is arranged on one side of the combustor body, two sides of the top of the combustion head body are fixedly connected with connecting plates, and the connecting plates are fixedly connected with the combustor body. A connecting shell is fixedly connected between the opposite sides of the two connecting plates, the top of the combustion head body communicates with a limiting sleeve, and a temperature sensor is inserted into an inner cavity of the connecting shell. The locking assembly is fixedly connected to one side of the combustion head body and comprises a motor, and one side of the motor is fixedly connected with the combustion head body; the problems that due to the fact that a traditional low-nitrogen combustion head lacks a temperature detection structure, the temperature in a combustion chamber is likely to be too high when a combustor operates for a long time or the working load is too heavy, and if a temperature detection device lacks to find and control the situation in time, spontaneous combustion of fuel is likely to be caused, and flame tempering is likely to be caused are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to a low-nitrogen combustion head backfire prevention unit for a burner. Background Art

[0002] A burner is a device used to mix fuel and oxygen, ignite them and generate heat energy. It is widely used in industrial, commercial and household fields for heating, cooking, power generation and other purposes. The burner usually includes components such as a combustion head, a combustion chamber, an ignition system and a control system. By controlling the ratio of fuel and oxygen and the stability of the ignition system, the burner can achieve an efficient and stable combustion process and minimize emissions while providing heat energy. Different types of burners have different structures and working principles. You can choose the appropriate burner type according to your needs to meet specific heating or combustion needs.

[0003] During the use of the burner, the low-nitrogen burner head is an important component used in the combustion equipment. However, the traditional low-nitrogen burner head lacks a temperature detection structure. Therefore, when the burner is running for a long time or the workload is too heavy, it is easy to cause the temperature in the combustion chamber to be too high. If there is no temperature detection device to detect and control this situation in time, it may cause the fuel to spontaneously ignite, which may easily lead to flame flashback.

[0004] Therefore, in response to the above problems, we need to propose a low-nitrogen combustion head anti-flashback unit for burners. Utility Model Content

[0005] The utility model aims to provide a low-nitrogen combustion head anti-flashback unit for a burner to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a low-nitrogen burner head anti-flashback unit for a burner, comprising a burner body, and also comprising: a burner head body is arranged on one side of the burner body, connecting plates are fixedly connected on both sides of the top of the burner head body, a connecting shell is fixedly connected between the opposite sides of the two connecting plates, the top of the burner head body is connected to a limiting sleeve, and a temperature sensor is inserted into the inner cavity of the connecting shell; a locking assembly is fixedly connected to one side of the burner head body, and the locking assembly includes a motor.

[0007] Preferably, one side of the motor is fixedly connected to the burner head body, the output end of the motor is fixedly connected to a first transmission wheel, the surface of the first transmission wheel is movably connected to a transmission belt, and one side of the inner cavity of the transmission belt is movably connected to a second transmission wheel.

[0008] Preferably, the top of the second transmission wheel is fixedly connected to a first gear, one side of the first gear is meshedly connected to a second gear, both sides of the second gear are meshedly connected to toothed plates, and one side of the toothed plate is fixedly connected to a clamping plate.

[0009] Preferably, the bottom of the second gear is fixedly connected to a slide rod, the bottom of the slide rod surface is movably connected to a guide rail, and the bottom of the guide rail is fixedly connected to the bottom of the inner cavity of the connecting shell.

[0010] Preferably, a positioning seat is fixedly connected to one side of the motor, and one side of the positioning seat is fixedly connected to the burner head body.

[0011] Preferably, one side of the tooth plate is slidably connected to a limiting rod, and a side of the limiting rod close to the inner wall of the connecting shell is fixedly connected to the inner wall of the connecting shell.

[0012] Preferably, a positioning block is fixedly connected to one side of the connecting plate, and the bottom of the positioning block is fixedly connected to the burner head body.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model firstly inserts the temperature sensor into the interior of the limit sleeve so that the detection end of the temperature sensor extends to the interior of the combustion head body, and then the output end of the motor in the locking assembly will rotate the first gear on the top of the second transmission wheel through the first transmission wheel and the transmission belt, the first gear will mesh with the second gear to rotate, the second gear will mesh with two tooth plates when rotating, the two tooth plates will drive the two clamping plates to move to the opposite side, so as to clamp and position the temperature sensor; the temperature sensor is used to monitor the temperature inside the burner body, and is adjusted and controlled according to the real-time temperature conditions, and by controlling the temperature inside the burner, the occurrence of flame flashback can be effectively prevented, and the safety and stability of the combustion process can be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of a low-nitrogen combustion head anti-flashback unit for a burner provided by the utility model;

[0016] Figure 2 A schematic diagram of the structure of the combustion head body provided by the utility model;

[0017] Figure 3 A schematic diagram of the structure of the connection shell provided by the utility model when viewed from above;

[0018] Figure 4 This is a schematic diagram of the locking assembly structure provided by the utility model.

[0019] In the figure: 1. burner body; 2. combustion head body; 3. connecting shell; 4. temperature sensor; 5. locking assembly; 501. motor; 502. first transmission wheel; 503. transmission belt; 504. second transmission wheel; 505. first gear; 506. second gear; 507. tooth plate; 508. clamping plate; 509. sliding rod; 510. guide rail; 511. positioning seat; 512. limiting rod; 6. connecting plate; 7. limiting sleeve; 8. positioning block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 As shown, a low-nitrogen burner head backfire prevention unit for a burner includes a burner body 1, and also includes: a burner head body 2 is arranged on one side of the burner body 1, connecting plates 6 are fixedly connected to both sides of the top of the burner head body 2, a connecting shell 3 is fixedly connected between the opposite sides of the two connecting plates 6, the top of the burner head body 2 is connected to a limiting sleeve 7, and a temperature sensor 4 is inserted into the inner cavity of the connecting shell 3; a locking assembly 5 is fixedly connected to one side of the burner head body 2, and the locking assembly 5 includes a motor 501.

[0022] refer to Figure 2 , Figure 3 and Figure 4 As shown, one side of the motor 501 is fixedly connected to the burner head body 2, the output end of the motor 501 is fixedly connected to the first transmission wheel 502, the surface of the first transmission wheel 502 is movably connected to the transmission belt 503, one side of the inner cavity of the transmission belt 503 is movably connected to the second transmission wheel 504, the top of the second transmission wheel 504 is fixedly connected to the first gear 505, one side of the first gear 505 is meshedly connected to the second gear 506, and both sides of the second gear 506 are meshedly connected to the toothed plate 507, and the toothed plate 507 is A clamping plate 508 is fixedly connected to one side, a sliding rod 509 is fixedly connected to the bottom of the second gear 506, a guide rail 510 is movably connected to the bottom of the surface of the sliding rod 509, the bottom of the guide rail 510 is fixedly connected to the bottom of the inner cavity of the connecting shell 3, a positioning seat 511 is fixedly connected to one side of the motor 501, one side of the positioning seat 511 is fixedly connected to the combustion head body 2, a limiting rod 512 is slidably connected to one side of the tooth plate 507, and the side of the limiting rod 512 close to the inner wall of the connecting shell 3 is fixedly connected to the inner wall of the connecting shell 3.

[0023] It should be noted that: first, the output end of the motor 501 will rotate the first gear 505 at the top of the second transmission wheel 504 through the first transmission wheel 502 and the transmission belt 503, and the first gear 505 will engage the second gear 506 to rotate, and the second gear 506 will engage the two tooth plates 507 when rotating, and the two tooth plates 507 will drive the two clamping plates 508 to move to the opposite side to clamp and position the temperature sensor 4. By setting the first gear 505, the second gear 506, the tooth plate 507 and the clamping plate 508 for coordinated use, the temperature sensor 4 is clamped and positioned. By setting the sliding rod 509 and the guide rail 510, the second gear 506 is limited. By setting the positioning seat 511, the motor 501 is positioned. By setting the limiting rod 512, the limiting rod 512 is limited.

[0024] refer to Figure 3 and Figure 4 As shown, a positioning block 8 is fixedly connected to one side of the connecting plate 6 , and the bottom of the positioning block 8 is fixedly connected to the burner head body 2 .

[0025] It should be noted that the positioning block 8 is provided to position the connecting plate 6 .

[0026] Working principle: First, the staff inserts the temperature sensor 4 into the limit sleeve 7 so that the detection end of the temperature sensor 4 extends to the inside of the combustion head body 2, and then the motor 501 is turned on. The output end of the motor 501 will rotate the first gear 505 on the top of the second transmission wheel 504 through the first transmission wheel 502 and the transmission belt 503. The first gear 505 will engage the second gear 506 to rotate, and the second gear 506 will engage the two tooth plates 507 during rotation. The two tooth plates 507 will drive the two clamping plates 508 to move to the opposite side to clamp and position the temperature sensor 4. The temperature sensor 4 is used to monitor the temperature inside the burner body 1, and adjust and control it according to the real-time temperature conditions. By controlling the temperature inside the burner, the occurrence of flame flashback can be effectively prevented, and the safety and stability of the combustion process can be ensured.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low nitrogen combustion head anti-flashback unit for a burner, comprising a burner body (1), characterized in that: Also includes: A burner head body (2) is provided on one side of the burner body (1), connecting plates (6) are fixedly connected to both sides of the top of the burner head body (2), a connecting shell (3) is fixedly connected between opposite sides of the two connecting plates (6), the top of the burner head body (2) is connected to a limiting sleeve (7), and a temperature sensor (4) is inserted into the inner cavity of the connecting shell (3); A locking assembly (5) is fixedly connected to one side of the burner head body (2), wherein the locking assembly (5) comprises a motor (501).

2. The low nitrogen combustion head anti-flashback unit for a burner according to claim 1, characterized in that: One side of the motor (501) is fixedly connected to the burner head body (2), the output end of the motor (501) is fixedly connected to a first transmission wheel (502), the surface of the first transmission wheel (502) is movably connected to a transmission belt (503), and one side of the inner cavity of the transmission belt (503) is movably connected to a second transmission wheel (504).

3. The low nitrogen combustion head anti-flashback unit for a burner according to claim 2, characterized in that: The top of the second transmission wheel (504) is fixedly connected to a first gear (505), one side of the first gear (505) is meshedly connected to a second gear (506), both sides of the second gear (506) are meshedly connected to a toothed plate (507), and one side of the toothed plate (507) is fixedly connected to a clamping plate (508).

4. The low nitrogen combustion head anti-flashback unit for a burner according to claim 3, characterized in that: The bottom of the second gear (506) is fixedly connected to a slide bar (509), the bottom of the surface of the slide bar (509) is movably connected to a guide rail (510), and the bottom of the guide rail (510) is fixedly connected to the bottom of the inner cavity of the connecting shell (3).

5. The low nitrogen combustion head anti-flashback unit for a burner according to claim 2, characterized in that: One side of the motor (501) is fixedly connected to a positioning seat (511), and one side of the positioning seat (511) is fixedly connected to the burner head body (2).

6. The low nitrogen combustion head anti-flashback unit for a burner according to claim 3, characterized in that: One side of the tooth plate (507) is slidably connected to a limiting rod (512), and the side of the limiting rod (512) close to the inner wall of the connecting shell (3) is fixedly connected to the inner wall of the connecting shell (3).

7. The low nitrogen combustion head anti-flashback unit for a burner according to claim 1, characterized in that: A positioning block (8) is fixedly connected to one side of the connecting plate (6), and the bottom of the positioning block (8) is fixedly connected to the burner head body (2).

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