Natural gas ignition device for combustor

Abstract

The utility model provides a natural gas ignition device for a combustor. Comprising a fixed cylinder, a connecting cylinder is arranged at the top end of the fixed cylinder, a stabilizing tube is fixed to the connecting cylinder, a sliding block is arranged in the fixed cylinder in a sliding mode, a movable column is fixed to the top of the sliding block, a fixed block and two electrode metal heads are fixed to the top of the movable column, and spray points are rotationally arranged on the electrode metal heads. A spring is arranged between the spray point and the fixing block, two conducting rods are fixed on the fixing cylinder, electric wires are fixed on the conducting rods and located in the fixing cylinder, and one ends of the two electric wires are electrically connected with the two electrode metal heads respectively. According to the natural gas ignition device for the combustor, the problems that an existing natural gas ignition device is single in structure, the ignition device is prone to being wholly exposed in the combustor, and the service life of the ignition device is greatly shortened due to long-term high-temperature combustion of fuel gas are solved.

Description

Technical Field

[0001] The utility model relates to the field of burners, in particular to a natural gas ignition device for burners. Background Art

[0002] A burner's natural gas ignition system is a device used to ignite natural gas. It typically uses an electric spark or electronic lighter to generate a spark, igniting the natural gas-air mixture. The controller is the control center of the ignition system and typically contains program logic, safety monitoring functions, and a user interface. The controller can adjust burner operating parameters such as flame size and combustion intensity.

[0003] The existing natural gas ignition device has a simple structure, and the ignition device is easily exposed to the burner as a whole. Long-term high-temperature combustion of the gas greatly reduces the service life of the ignition device.

[0004] Therefore, it is necessary to provide a natural gas ignition device for a burner to solve the above technical problems. Utility Model Content

[0005] The utility model provides a natural gas ignition device for a burner, which solves the problem that the existing natural gas ignition device has a single structure and the ignition device is easily exposed to the burner as a whole, and is subjected to high-temperature combustion of gas for a long time, which greatly reduces the service life of the ignition device.

[0006] To solve the above technical problems, the utility model provides a natural gas ignition device for a burner, comprising a fixed cylinder, a connecting cylinder provided at the top of the fixed cylinder, a stabilizing tube fixed to the connecting cylinder, a slider slidably provided in the fixed cylinder, a movable column fixed to the top of the slider, a fixed block and two electrode metal heads respectively fixed to the top of the movable column, a discharge needle rotatably provided on the electrode metal head, and a spring provided between the discharge needle and the fixed block;

[0007] Two conductive rods are fixed on the fixed cylinder, and electric wires are fixed on the conductive rods and located inside the fixed cylinder, and one end of the two electric wires is electrically connected to the two electrode metal heads respectively;

[0008] An electric push rod is arranged between the bottom of the inner wall of the fixing cylinder and the sliding block, a through hole is arranged on the stabilizing tube, and an opening communicating with the through hole is arranged on the stabilizing tube.

[0009] Preferably, the slider is provided with openings corresponding to the wires.

[0010] Preferably, the bottom end of the stabilizing tube is provided with an oblique groove corresponding to the discharge needle.

[0011] Preferably, a slot is provided on the fixing cylinder.

[0012] Preferably, the top of the discharge needle is provided with a slope.

[0013] Compared with the related art, the natural gas ignition device for burners provided by the present invention has the following beneficial effects:

[0014] The utility model provides a natural gas ignition device for a burner, in which a gas mixture enters a through hole through an opening of a stabilizing tube, and a movable column moves, so that a discharge needle contacts an inclined groove at the bottom end of the stabilizing tube. An inclined surface is provided on the top of the discharge needle, so that the discharge needles on both sides rotate, and the distance between the discharge needles on both sides is increased, so that an electric spark is generated between the discharge needles on both sides, igniting the gas mixture and then igniting the gas in the burner, and then the electric push rod drives the movable column to contract, and the movable column is isolated and protected by the connecting tube and the stabilizing tube, thereby solving the problem that the existing natural gas ignition device has a single structure and the ignition device is easily exposed to the burner as a whole, and is subjected to high-temperature combustion of gas for a long time, which greatly reduces the service life of the ignition device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a preferred embodiment of a natural gas ignition device for a burner provided by the utility model;

[0016] Figure 2 for Figure 1 The structural diagram of the fixed cylinder and the connecting cylinder shown;

[0017] Figure 3 for Figure 1 Cross-sectional view of the fixed cylinder shown

[0018] Figure 4 for Figure 1 The structure diagram of the moving column shown

[0019] Figure 5 for Figure 4 A partial enlarged view of point B in the middle.

[0020] Numbers in the figure: 1. Fixed cylinder, 2. Connecting cylinder, 3. Stabilizing tube, 4. Slider, 5. Moving column, 6. Fixed block, 7. Electrode metal head, 8. Discharge needle, 9. Spring, 10. Conductive rod, 11. Wire, 12. Electric push rod, 13. Through hole, 14. Opening, 15. Inclined groove, 16. Card slot. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and implementation examples.

[0022] Please refer to Figure 1-5As shown, a natural gas ignition device for a burner includes a fixed cylinder 1, a connecting cylinder 2 is provided at the top of the fixed cylinder 1, and a stabilizing tube 3 is fixed to the connecting cylinder 2. A slider 4 is slidably provided in the fixed cylinder 1, and a movable column 5 is fixed to the top of the slider 4. A fixed block 6 and two electrode metal heads 7 are respectively fixed to the top of the movable column 5. A discharge needle 8 is rotatably provided on the electrode metal head 7. A spring 9 is provided between the discharge needle 8 and the fixed block 6. The discharge needle 8 is reset by the elastic force of the spring 9.

[0023] Two conductive rods 10 are fixed on the fixed cylinder 1 of the present invention, and wires 11 are fixed on the conductive rods 10 and located inside the fixed cylinder 1, and one end of the two wires 11 is electrically connected to the two electrode metal heads 7 respectively. The distance between the discharge needles 8 on both sides is such that electric sparks are generated between the discharge needles 8 on both sides.

[0024] In the present invention, an electric push rod 12 is provided between the bottom of the inner wall of the fixed cylinder 1 and the slider 4, a through hole 13 is provided on the stabilizing tube 3, and an opening 14 is provided on the stabilizing tube 3 that is connected to the through hole 13, and the gas mixture will enter the through hole 13 through the opening 14 of the stabilizing tube 3;

[0025] The slider 4 of the present invention is provided with an opening corresponding to the wire 11, the bottom end of the stabilizing tube 3 is provided with an inclined groove 15 corresponding to the discharge needle 8, the fixing tube 1 is provided with a card slot 16, and the top of the discharge needle 8 is provided with an inclined surface.

[0026] The working principle of the natural gas ignition device for the burner provided by the utility model is as follows: it is fixedly installed through the card slot 16 on the fixed tube 1, and the two conductive rods 10 are respectively connected to the positive and negative poles of the power supply. When in use, the electric push rod 12 is started to push the movable column 5, and the gas mixture will enter the through hole 13 through the opening 14 of the stabilizing tube 3. The movable column 5 moves, so that the discharge needle 8 contacts the inclined groove 15 at the bottom end of the stabilizing tube 3. The top of the discharge needle 8 is provided with an inclined surface, so that the discharge needles 8 on both sides rotate, and the distance between the discharge needles 8 on both sides is increased, so that electric sparks are generated between the discharge needles 8 on both sides, igniting the gas mixture, and then igniting the gas in the burner, and then the electric push rod 12 drives the movable column 5 to retract, and the movable column 5 is isolated and protected by the connecting tube 2 and the stabilizing tube 3 to prevent the gas from burning the movable column 5, thereby improving the service life of the movable column 5 and the discharge needle.

[0027] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A natural gas ignition device for a burner, characterized in that: The invention comprises a fixed cylinder (1), wherein a connecting cylinder (2) is provided at the top of the fixed cylinder (1), and a stabilizing tube (3) is fixed on the connecting cylinder (2); a slider (4) is slidably provided in the fixed cylinder (1), and a moving column (5) is fixed on the top of the slider (4); a fixing block (6) and two electrode metal heads (7) are respectively fixed on the top of the moving column (5); a discharge needle (8) is rotatably provided on the electrode metal head (7), and a spring (9) is provided between the discharge needle (8) and the fixed block (6); Two conductive rods (10) are fixed on the fixed cylinder (1), and electric wires (11) are fixed on the conductive rods (10) and located inside the fixed cylinder (1), and one end of the two electric wires (11) is electrically connected to the two electrode metal heads (7) respectively; An electric push rod (12) is provided between the bottom of the inner wall of the fixing cylinder (1) and the slider (4); a through hole (13) is provided on the stabilizing tube (3); and an opening (14) communicating with the through hole (13) is provided on the stabilizing tube (3).

2. A natural gas ignition device for a burner according to claim 1, characterized in that: The slider (4) is provided with an opening corresponding to the electric wire (11).

3. A natural gas ignition device for a burner according to claim 1, characterized in that: The bottom end of the stabilizing tube (3) is provided with an oblique groove (15) corresponding to the discharge needle (8).

4. A natural gas ignition device for a burner according to claim 1, characterized in that: The fixing cylinder (1) is provided with a clamping groove (16).

5. The natural gas ignition device for a burner according to claim 1, characterized in that: The top of the discharge needle (8) is provided with an inclined surface.

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