Combustor with ignition structure convenient to disassemble and assemble

Abstract

The utility model discloses a burner with an ignition structure convenient to disassemble and assemble, and relates to the technical field of ignition devices. According to the main technical scheme, the combustion head comprises a fire cylinder, a combustion disc and an ignition structure, the combustion disc is arranged at one end of the fire cylinder, the other end of the fire cylinder is connected with an air supply device, an inclined first mounting hole is formed in the side wall of the fire cylinder, a second mounting hole is formed in the combustion disc, and the second mounting hole and the first mounting hole are coaxially formed. The ignition structure is detachably connected in the first mounting hole and the second mounting hole. The purposes that the ignition structure can be detached and replaced from the side face of the fire cylinder conveniently, so that the maintenance convenience is improved, the good working state of the combustor is kept, and the fault rate is reduced are achieved. The ignition structure is connected with the first mounting hole in a sealed mode. The purposes that it is ensured that fuel mixed gas cannot leak from the gap between the first mounting hole and the ignition structure, then the use safety is improved, the combustion efficiency is ensured, escape of gas not fully combusted is reduced, and energy waste is reduced are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of ignition devices, in particular to a burner with an ignition structure that is easy to disassemble and assemble. Background Art

[0002] A burner is a general term for a device that sprays fuel and air in a certain way for mixed combustion.

[0003] The combustion head of the burner mainly includes a fire tube, a combustion disk and an ignition needle. One end of the flame tube is connected to the air supply device, and the other end of the flame tube is provided with a combustion disk. The interior of the fire tube is provided with a combustion chamber connecting the air supply system and the combustion disk. The ignition needle is penetrated in the flame tube and extends along one end of the fire tube toward the other end of the fire tube.

[0004] During long-term use of the burner, the ignition needle of the combustion head is easily damaged. When the ignition needle needs to be replaced, the flame tube needs to be removed from the air supply device first, and then the ignition needle can be removed from the flame tube for replacement, which makes the operation more troublesome. Utility Model Content

[0005] The purpose of the utility model is to provide a burner with an ignition structure that is easy to disassemble and assemble, by providing an inclined first mounting hole on the side wall of the flame tube, and providing a second mounting hole coaxially arranged with the first mounting hole on the combustion disk, and detachably connecting the ignition structure to the first mounting hole and the second mounting hole. It is easy to disassemble and replace the ignition structure from the side of the flame tube, so as to improve the convenience of maintenance, thereby helping to keep the burner in a better working state and reduce the failure rate.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A burner with an ignition structure that is easy to disassemble and assemble comprises a combustion head, the combustion head includes a fire barrel, a combustion disk and an ignition structure, a combustion disk is provided at one end of the fire barrel, the other end of the fire barrel is connected to an air supply device, a combustion chamber is provided in the fire barrel, the combustion chamber extends along one end of the fire barrel toward the other end of the fire barrel, the two ends of the combustion chamber are respectively connected to the air supply device and the combustion disk, a first mounting hole is provided on the side wall of the fire barrel, the first mounting hole is located at one end of the combustion chamber, the first mounting hole is gradually inclined along the outer side of the fire barrel side wall toward the inner side of the fire barrel side wall, and the end opening of the first mounting hole is used to face the combustion disk; a second mounting hole is provided on the combustion disk, the second mounting hole is coaxially arranged with the first mounting hole; the ignition structure is penetrated into the first mounting hole and the second mounting hole; the ignition structure is detachably connected to the first mounting hole and the second mounting hole, and the ignition structure is sealed and connected to the first mounting hole.

[0008] A further technical solution is: the ignition structure includes a needle body, a tube body and a connecting piece; the tube body is inserted into the first mounting hole and the second mounting hole; the tube body is fixedly connected to the first mounting hole and the second mounting hole, and the tube body is sealed and connected to the first mounting hole; the connecting piece is arranged on the tube body; the needle body is inserted in the tube body, and the needle body is detachably connected to the connecting piece.

[0009] A further technical solution is: the burner further comprises a sheath; the sheath is sleeved on the needle body; the sheath is passed through the tube body, and the sheath is detachably connected to the connecting piece.

[0010] A further technical solution is: the connecting member includes a first connecting unit and a second connecting unit; the first connecting unit is connected to the tube body; the second connecting unit is connected to the sheath; the first connecting unit and the second connecting unit are detachably connected.

[0011] A further technical solution is: the ends of the first connecting unit and the second connecting unit close to each other are respectively provided with internal threads and external threads; and the first connecting unit and the second connecting unit are threadedly connected.

[0012] A further technical solution is that: a placement groove is provided on the outer wall of the second connecting unit.

[0013] A further technical solution is: one end of the tube body away from the second mounting hole extends outside the first mounting hole; and the first connecting unit is connected to the end of the tube body away from the second mounting hole.

[0014] A further technical solution is: the tube body is welded in the first mounting hole.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] By providing an inclined first mounting hole on the side wall of the flame tube, and providing a second mounting hole coaxially arranged with the first mounting hole on the combustion disk, and detachably connecting the ignition structure to the first mounting hole and the second mounting hole, it is convenient to disassemble and replace the ignition structure from the side of the flame tube, so as to improve the convenience of maintenance, thereby helping to maintain the burner in a better working state and reduce the failure rate.

[0017] The ignition structure and the first mounting hole are sealed and connected by a sealing ring, a rubber seal, etc., so as to ensure that the fuel mixture will not leak from the gap between the first mounting hole and the ignition structure, thereby improving the use safety, ensuring the combustion efficiency, reducing the escape of incompletely burned gas, and reducing energy waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of a burner that is easy to disassemble and assemble the ignition structure in this embodiment;

[0019] Figure 2 This is a schematic diagram of the main structure of an ignition structure for a burner in this embodiment, which is convenient for disassembling and assembling the ignition structure;

[0020] Figure 3 This is a schematic diagram of the main structure of a burner connecting piece that facilitates the disassembly and assembly of the ignition structure in this embodiment.

[0021] Marks and corresponding parts names in the attached drawings:

[0022] 1-flame tube; 2-combustion disk;

[0023] 3- ignition structure; 31- needle body; 32- tube body; 33- connecting piece; 332- first connecting unit; 331- second connecting unit; 34- sheath;

[0024] 4-first mounting hole; 5-second mounting hole; 6-placement slot. DETAILED DESCRIPTION

[0025] The utility model will be further described below in conjunction with the accompanying drawings.

[0026] Example 1

[0027] This embodiment provides a burner with an ignition structure that is easy to disassemble and assemble. Figure 1 As shown, it includes a combustion head, which includes a fire tube 1, a combustion disk 2 and an ignition structure 3. A combustion disk 2 is provided at one end of the fire tube 1, and the other end of the fire tube 1 is connected to an air supply device. A combustion chamber is provided in the fire tube 1, and the combustion chamber extends along one end of the fire tube 1 toward the other end of the fire tube 1. The two ends of the combustion chamber are respectively connected to the air supply device and the combustion disk 2. A first mounting hole 4 is provided on the side wall of the flame tube 1, and the first mounting hole 4 is located at one end of the combustion chamber. The first mounting hole 4 gradually inclines along the outer side of the side wall of the flame tube 1 toward the inner side of the side wall of the flame tube 1, and the end opening of the first mounting hole 4 is used to face the combustion disk 2; a second mounting hole 5 is provided on the combustion disk 2, and the second mounting hole 5 is coaxially arranged with the first mounting hole 4; the ignition structure 3 is penetrated in the first mounting hole 4 and the second mounting hole 5; the ignition structure 3 is detachably connected to the first mounting hole 4 and the second mounting hole 5, and the ignition structure 3 is sealed and connected to the first mounting hole 4.

[0028] Exemplarily, in the implementation process, the burner includes an air supply device and a combustion head. The combustion head includes a fire tube 1, a combustion disk 2 and an ignition structure 3. The fire tube 1, the combustion disk 2 and the air supply device all adopt the existing technology.

[0029] A combustion chamber is provided inside the flame tube 1 and passes through both ends of the flame tube 1. One end of the flame tube 1 is connected to a combustion disk 2 by welding, screwing, etc., and the other end of the flame tube 1 is connected to an air supply device by welding, screwing, etc. The combustion disk 2 is connected to the air supply device through the combustion chamber.

[0030] A first mounting hole 4 is provided on the side wall of the fire tube 1. The first mounting hole 4 is located at one end of the combustion chamber close to the air supply device. The first mounting hole 4 is gradually inclined from the outer side wall of the fire tube 1 to the inner side wall of the flame tube 1, and the end opening of the first mounting hole 4 faces the combustion disk 2. A second mounting hole 5 is provided on the combustion disk 2. The second mounting hole 5 is arranged in an inclined structure coaxial with the first mounting hole 4. The ignition structure 3 can be an ignition needle or an ion probe, etc. The ignition structure 3 is inserted into the first mounting hole 4 and the second mounting hole 5, and the ignition structure 3 is detachably connected to the first mounting hole 4 and the second mounting hole 5 by screwing, snapping or other connecting parts 33. For example, in one case, one end of the ignition structure 3 is connected to the hole wall of the first mounting hole 4 by screwing, snapping or other connecting parts 33, and the other end of the ignition structure 3 is inserted into the second mounting hole 5. In another case, one end of the ignition structure 3 is inserted into the first mounting hole 4, and the other end of the ignition structure 3 is connected to the hole wall of the second mounting hole 5 by means of screw connection, clamping connection or other connecting parts 33. In another case, one end of the ignition structure 3 is connected to the hole wall of the first mounting hole 4 by means of screw connection, clamping connection or other connecting parts 33, and the other end of the ignition structure 3 is connected to the hole wall of the second mounting hole 5 by means of screw connection, clamping connection or other connecting parts 33. By opening an inclined first mounting hole 4 on the side wall of the flame tube 1, and opening a second mounting hole 5 coaxially arranged with the first mounting hole 4 on the combustion disk 2, and detachably connecting the ignition structure 3 to the first mounting hole 4 and the second mounting hole 5, it is achieved that the ignition structure 3 can be easily disassembled and replaced from the side of the flame tube 1, so as to improve the convenience of maintenance, thereby helping to maintain the burner in a better working state and reduce the failure rate.

[0031] The ignition structure 3 and the first mounting hole 4 are sealed and connected by means of a sealing ring, a rubber seal, etc. This ensures that the fuel mixture will not leak from the gap between the first mounting hole 4 and the ignition structure 3, thereby improving the use safety, ensuring the combustion efficiency, reducing the escape of incompletely burned gas, and reducing energy waste.

[0032] Therein, a plurality of first mounting holes 4 and a plurality of second mounting holes 5 may be arranged in parallel.

[0033] Example 2

[0034] like Figure 2As shown, on the basis of the above-mentioned embodiment 1, in this embodiment, the ignition structure 3 includes a needle body 31, a tube body 32 and a connecting piece 33; the tube body 32 is inserted into the first mounting hole 4 and the second mounting hole 5; the tube body 32 is fixedly connected to the first mounting hole 4 and the second mounting hole 5, and the tube body 32 is sealed and connected to the first mounting hole 4; the connecting piece 33 is arranged in the tube body 32; the needle body 31 is inserted in the tube body 32, and the needle body 31 is detachably connected to the connecting piece 33.

[0035] Exemplarily, during the implementation process, the ignition structure 3 includes a needle body 31, a tube body 32 and a connector 33. Among them, the needle body 31 can be an ignition electrode or a probe. When the needle body 31 is an ignition electrode, the ignition structure 3 is an ignition needle. When the needle 31 is a probe, the ignition structure 3 is an ion probe. The tube body 32 is the main supporting structure of the needle body 31, and the tube body 32 is inserted into the first mounting hole 4 and the second mounting hole 5, and the tube body 32 is fixed in the first mounting hole 4 and the second mounting hole 5 by welding, screwing, etc. For example, in one case, the tube body 32 is fixedly connected to the first mounting hole 4 by welding, screwing, etc. In another case, the tube body 32 is fixedly connected to the second mounting hole 5 by welding, screwing, etc. In another case, the tube body 32 is fixedly connected to the first mounting hole and the second mounting hole 5 by welding, screwing, etc. The purpose of ensuring the stability of the tube body 32 is achieved.

[0036] The tube body 32 and the first mounting hole 4 are sealed and connected by a sealing ring, a rubber seal, etc., so as to ensure that the fuel mixture will not leak from the gap between the first mounting hole 4 and the tube body 32, thereby improving the use safety, ensuring the combustion efficiency, reducing the escape of incompletely burned gas, and reducing energy waste.

[0037] The connector 33 is connected to the tube body 32 by welding, screwing, etc. The connector 33 may be a waterproof structure or a structure similar to a waterproof joint.

[0038] The needle body 31 is inserted into the connecting piece 33 , and the needle body 31 is detachably connected to the tube body 32 via the connecting piece 33 .

[0039] During use, the needle body 31 is an object on the burner head that is easily damaged. Therefore, the needle body 31 is inserted into the tube body 32 and the connecting piece 33, and is detachably connected to the tube body 32 through the connecting piece 33. When the needle body 31 needs to be replaced or maintained, it is convenient to only remove the needle body 31, without replacing the entire ignition structure 3 assembly, thereby improving maintenance efficiency and reducing maintenance costs.

[0040] Example 3

[0041] like Figure 2 As shown, based on the above-mentioned embodiment 2, in this embodiment, the burner further includes a sheath 34; the sheath 34 is sleeved on the needle body 31; the sheath 34 is passed through the tube body 32, and the sheath 34 is detachably connected to the connecting piece 33.

[0042] Exemplarily, during the implementation process, the burner also includes a sheath 34. The sheath 34 can be made of materials with strong heat resistance and corrosion resistance, such as ceramics, glass, cement, enamel, etc. The sheath 34 is sleeved on the outside of the needle body 31 and fixedly connected to the needle body 31. The sheath 34 is passed through the tube body 32 and is detachably connected to the tube body 32 through a connector 33. On the one hand, when maintaining or replacing the needle body 31, it is convenient to remove the needle body 31 by removing the sheath 34. On the other hand, the sheath 34 is sleeved on the outside of the needle body 31 to effectively isolate high temperature, corrosive gases and possible mechanical wear, thereby effectively protecting the needle body 31 and extending the service life of the needle body 31.

[0043] Example 4

[0044] like Figure 3 As shown, based on the above-mentioned embodiment 3, in this embodiment, the connecting member 33 includes a first connecting unit 332 and a second connecting unit 331; the first connecting unit 332 is connected to the tube body 32; the second connecting unit 331 is connected to the sheath 34; the first connecting unit 332 and the second connecting unit 331 are detachably connected.

[0045] Exemplarily, in the implementation process, the connector 33 includes a first connector unit 332 and a second connector unit 331. The first connector unit 332 is sleeved on the tube body 32 and fixed to the tube body 32 by welding, screwing, etc. The second connector unit 331 is sleeved on the sheath 34 and fixed to the sheath 34 by welding, screwing, etc. The first connector unit 332 and the second connector unit 331 are detachably connected together by threaded connection, snap-on connection, quick-plug and quick-pull connection, etc. By dividing the connector 33 into the detachably connected first connector unit 332 and the second connector unit 331, the purpose of facilitating the disassembly and assembly of the sheath 34 is achieved.

[0046] Example 5

[0047] like Figure 3 As shown, based on the above-mentioned embodiment 4, in this embodiment, the ends of the first connecting unit 332 and the second connecting unit 331 close to each other are respectively provided with internal threads and external threads; the first connecting unit 332 and the second connecting unit 331 are threadedly connected.

[0048] Exemplarily, during the implementation process, the ends of the first connection unit 332 and the second connection unit 331 that are close to each other are respectively provided with internal threads and external threads. For example, in one case, the end of the first connection unit 332 close to the second connection unit 331 is provided with internal threads, and the corresponding end of the second connection unit 331 is provided with external threads. In another case, the end of the first connection unit 332 close to the second connection unit 331 is provided with external threads, and the corresponding end of the second connection unit 331 is provided with internal threads. When the second connection unit 331 is driven to rotate clockwise relative to the first connection unit 332, a tight and firm connection between the first connection unit 332 and the second connection unit 331 can be achieved through the engagement of the threads. When the second connection unit 331 is driven to rotate counterclockwise relative to the first connection unit 332, the first connection unit 332 and the second connection unit 331 can be disassembled. The purpose of achieving the detachable connection between the first connection unit 332 and the second connection unit 331 is achieved, thereby facilitating the disassembly and assembly of the sheath 34.

[0049] Example 6

[0050] like Figure 3 As shown, based on the above-mentioned embodiment 5, in this embodiment, the outer wall of the second connecting unit 331 is provided with a placement groove 6.

[0051] Exemplarily, during the implementation process, a placement groove 6 is provided on the outer wall of the second connection unit 331. The placement groove 6 is designed according to ergonomic principles, and its depth, width and contour are suitable for the insertion of fingers or wrenches, and ensure comfortable and stable grip, and can provide sufficient friction to prevent slipping even in a slippery or greasy environment. Through the cooperation of fingers or wrenches with the placement groove 6, the operator can directly apply torque from the placement groove 6 to push the second connection unit 331 to perform precise rotation relative to the first connection unit 332. The purpose of enabling the staff to complete the tightening or disassembly of the second connection unit 331 without the need to use additional complex tools or take strenuous postures, thereby reducing labor intensity and speeding up the operation.

[0052] Example 7

[0053] like Figure 1 As shown, based on the above-mentioned embodiment 4, in this embodiment, one end of the tube body 32 away from the second mounting hole 5 extends outside the first mounting hole 4; the first connecting unit 332 is connected to the end of the tube body 32 away from the second mounting hole 5.

[0054] Exemplarily, during implementation, one end of the tube body 32 away from the second mounting hole 5 extends outside the first mounting hole 4, and the first connecting unit 332 is installed at the end of the tube body 32 away from the second mounting hole 5. On the one hand, the extension of the tube body 32 provides maintenance personnel with a larger operating space for disassembling and assembling the second connecting unit 331, reducing the difficulty of maintenance. The installation of the connector 33 provides more space and flexibility. On the other hand, the first connecting unit 332 is placed at the extended end of the tube body 32, so that the connector 33 is further away from the high temperature and corrosive environment inside the combustion chamber, which helps to extend the service life of the connector 33, as well as the stability and durability of the connection between the first connecting unit 332 and the second connecting unit 331.

[0055] Example 8

[0056] like Figure 1 As shown, based on the above-mentioned embodiment 2, in this embodiment, the tube body 32 is welded in the first mounting hole 4 .

[0057] For example, during the implementation, after the tube body 32 is inserted into the first mounting hole 4 and the second mounting hole 5, the outer circumference of the tube body 32 is continuously welded by a welding device. On the one hand, the purpose of fixing the tube body 32 in the first mounting hole 4 is achieved. On the other hand, the welding method around the circumference of the tube body 32 ensures the comprehensive sealing of the connection between the tube body 32 and the first mounting hole 4, effectively preventing the leakage of the fuel mixture, thereby improving the combustion efficiency and safety.

[0058] Although the utility model is described herein with reference to a plurality of illustrative embodiments of the utility model, it should be understood that those skilled in the art may devise many other modifications and implementations that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the disclosure, drawings, and claims of the present application, various modifications and improvements may be made to the components and / or layout of the subject combination layout. In addition to modifications and improvements to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A burner with an ignition structure that is easy to disassemble and assemble, comprising a combustion head, the combustion head comprising a fire tube (1), a combustion disk (2) and an ignition structure (3), one end of the fire tube (1) is provided with a combustion disk (2), the other end of the fire tube (1) is connected to an air supply device, a combustion chamber is provided in the fire tube (1), the combustion chamber extends from one end of the fire tube (1) to the other end of the fire tube (1), and the two ends of the combustion chamber are respectively connected to the air supply device and the combustion disk (2), characterized in that: A first mounting hole (4) is provided on the side wall of the fire tube (1), the first mounting hole (4) is located at one end of the combustion chamber, the first mounting hole (4) is gradually inclined along the outer side of the side wall of the fire tube (1) toward the inner side of the side wall of the fire tube (1), and the end opening of the first mounting hole (4) is used to face the combustion disk (2); The combustion disk (2) is provided with a second mounting hole (5), and the second mounting hole (5) is coaxially arranged with the first mounting hole (4); The ignition structure (3) is inserted into the first mounting hole (4) and the second mounting hole (5); The ignition structure (3) is detachably connected to the first mounting hole (4) and the second mounting hole (5), and the ignition structure (3) is sealedly connected to the first mounting hole (4).

2. The burner according to claim 1, characterized in that: The ignition structure (3) comprises a needle body (31), a tube body (32) and a connecting piece (33); The tube body (32) is inserted into the first mounting hole (4) and the second mounting hole (5); The tube body (32) is fixedly connected to the first mounting hole (4) and the second mounting hole (5), and the tube body (32) is sealedly connected to the first mounting hole (4); The connecting piece (33) is arranged on the tube body (32); The needle body (31) is inserted into the tube body (32), and the needle body (31) is detachably connected to the connecting piece (33).

3. The burner according to claim 2, characterized in that: Also comprising a sheath (34); The sheath (34) is sleeved on the needle body (31); The sheath (34) is inserted into the tube body (32), and the sheath (34) is detachably connected to the connecting piece (33).

4. The burner according to claim 3, characterized in that: The connecting member (33) comprises a first connecting unit (332) and a second connecting unit (331); The first connecting unit (332) is connected to the tube body (32); The second connecting unit (331) is connected to the sheath (34); The first connecting unit (332) and the second connecting unit (331) are detachably connected.

5. The burner according to claim 4, characterized in that: The first connecting unit (332) and the second connecting unit (331) are respectively provided with an internal thread and an external thread at their ends close to each other; The first connection unit (332) and the second connection unit (331) are screwed together.

6. The burner according to claim 5, characterized in that: The outer wall of the second connecting unit (331) is provided with a placement groove (6).

7. The burner according to claim 4, characterized in that: One end of the tube body (32) away from the second mounting hole (5) extends to the outside of the first mounting hole (4); The first connecting unit (332) is connected to an end of the tube body (32) away from the second mounting hole (5).

8. The burner according to claim 2, characterized in that: The tube body (32) is welded in the first mounting hole (4).

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