Natural gas burner

Abstract

The utility model provides a natural gas burner, and belongs to the technical field of machinery. The problem that in the prior art, a natural gas burner is not high enough in burning efficiency is solved. The device comprises a feeding assembly and a combustion assembly, the feeding assembly comprises an air blower, an air inlet pipe, an air inlet shell, an air pump and an adjusting valve, an air inlet is formed in the upper end of the air inlet shell, the air inlet pipe is fixedly communicated with the air inlet and fixedly communicated with the lower end of the air blower, and a control rod penetrates through the lower end of the air inlet pipe; the control rod extends out of the air inlet pipe and is fixedly sleeved with a cylinder, a first rotating arm is fixed to the outer side of the cylinder and connected with the control rod, one end of the air inlet shell is fixedly connected with an air inlet cavity, the air pump is fixedly installed on one side of the air inlet cavity, and the two ends of the adjusting valve are connected with a communicating connector and an air inlet connector respectively. And the combustion assembly comprises a combustion cylinder, a connecting cylinder and a flow guide cylinder, one end of the air inlet shell is connected with the connecting cylinder, the combustion cylinder is connected with the other side of the connecting cylinder in a penetrating mode, and the flow guide cylinder is fixedly installed in the combustion cylinder. The combustor has the advantage of high combustion efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery and relates to a natural gas burner. Background Art

[0002] The natural gas burner is one of the main natural gas combustion equipment. According to its working principle, the burner can be defined as a device that converts substances into heat energy through the chemical reaction of combustion - that is, air and fuel are mixed in appropriate proportions through a premixing device to make them fully burn.

[0003] A Chinese patent with publication number CN204006002U discloses a natural gas burner, including a gas distribution pipe, a burner head, a gas solenoid valve, a burner fan and a burner head, wherein a gas inlet is provided at one end of the gas solenoid valve, and a swirler is located at the other end of the gas distribution pipe; an air outlet of the burner fan is connected to a burner controller, a retractable sleeve and a probe bracket are provided on the gas distribution pipe inside the burner head in sequence, at least two probe brackets are provided on the gas distribution pipe, the burner fan and the burner head are respectively located at two ends of the burner controller, and the gas solenoid valve is located above the burner controller.

[0004] The natural gas burner provided by this patent lacks flow control on the natural gas inlet end, and the combustion efficiency is not high enough during use. Utility Model Content

[0005] The purpose of the utility model is to provide a natural gas burner in view of the above problems existing in the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions: a natural gas burner, including a feeding assembly and a combustion assembly, the feeding assembly includes a blower, an air intake pipe, an air intake shell, an air pump and a regulating valve, an air intake port is opened at the upper end of the air intake shell, the air intake pipe is connected and fixed with the air intake port, and the air intake pipe is connected and fixed with the lower end of the blower, a control rod is passed through the lower end of the air intake pipe, the control rod extends out of the air intake pipe, and a cylinder is fixedly sleeved on the outer side of the control rod, a first spiral arm is fixed on the outer side of the cylinder, and the first spiral arm is connected to the control rod, one end of the air intake shell is fixedly connected with an air intake cavity, the air pump is fixedly installed on one side of the air intake cavity, two ends of the regulating valve are respectively connected with a connecting joint and an air intake joint, the connecting joint is sealed with the air intake cavity, a mixer is fixedly installed on the upper end of the regulating valve, the combustion assembly includes a combustion tube, a connecting tube and a guide tube, one end of the air intake shell is connected with the connecting tube, the combustion tube is through-connected with the other side of the connecting tube, and the guide tube is fixedly installed inside the combustion tube.

[0007] In the above-mentioned natural gas burner, the rear end of the mixer is connected to a second swing arm, a first connecting rod is fixed to the second swing arm, and the first connecting rod is connected to the first swing arm.

[0008] In the above-mentioned natural gas burner, the front end of the regulating valve is connected to a third swing arm, the front end of the mixer is connected to a fourth swing arm, and a second connecting rod is fixedly connected between the third swing arm and the fourth swing arm.

[0009] In the above-mentioned natural gas burner, one end of the guide tube is cylindrical and the other end is fan-shaped, a plurality of ventilation holes are opened on the guide tube, one side of the guide tube is connected to an air outlet pipe, and the air outlet pipe is installed inside the combustion tube, the connecting tube and the air inlet shell, and a fixing ring is installed on the air outlet pipe, and an igniter is fixed on the fixing ring.

[0010] In the above-mentioned natural gas burner, the front end of the igniter is 90°, and the front end of the igniter extends into the vent hole.

[0011] Compared with the prior art, the natural gas burner provided by the utility model has the following beneficial effects: 1. Through the structural arrangement of the control rod, the first swing arm, the second swing arm and the first connecting rod, the ratio of the mixture in the mixer and the air intake pipe is controlled, which can effectively improve the ratio accuracy of the mixture; 2. Through the structural design of the third swing arm, the fourth swing arm and the second connecting rod, the flow rate and pressure of the natural gas entering the regulating valve are controlled, which effectively improves the flow rate and pressure accuracy of the natural gas when entering the air intake shell; 3. Through the cylindrical and fan-shaped structural design of the guide tube, the guide effect of the guide tube is improved, and the front end of the igniter is 90° and extends into the vent hole, which shortens the distance between the igniter and the mixture, and effectively improves the ignition and combustion efficiency of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the exploded structure of the feeding assembly;

[0014] Figure 3 It is a schematic diagram of the explosion structure of the combustion component;

[0015] Figure 4 It is a detailed structural diagram of the combustion component.

[0016] In the figure: 1. feeding assembly; 11. blower; 12. air inlet pipe; 121. control lever; 122. cylinder; 13. air inlet shell; 131. air inlet; 14. air pump; 15. regulating valve; 151. connecting joint; 152. air inlet joint; 16. air inlet cavity; 17. mixer; 2. combustion assembly; 21. combustion tube; 22. connecting tube; 23. guide tube; 231. vent; 24. air outlet pipe; 241. fixing ring; 25. igniter; 3. first swing arm; 4. second swing arm; 5. first connecting rod; 6. third swing arm; 7. fourth swing arm; 8. second connecting rod. DETAILED DESCRIPTION

[0017] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0018] like Figures 1 to 4 As shown, this embodiment includes a feeding assembly 1 and a combustion assembly 2. The feeding assembly 1 includes a blower 11, an air intake pipe 12, an air intake housing 13, an air pump 14 and a regulating valve 15. An air intake port 131 is provided at the upper end of the air intake housing 13. The air intake pipe 12 is connected and fixed to the air intake port 131 and the air intake pipe 12 is connected and fixed to the lower end of the blower 11. The blower 11 transports air from the air intake pipe 12 to the air intake housing 13. One end of the air intake housing 13 is fixedly connected to an air intake cavity 16. The regulating valve The two ends of 15 are respectively connected with a connecting joint 151 and an air intake joint 152, the air intake joint 152 is connected to the natural gas transmission pipe, and the connecting joint 151 is sealed and connected to the air intake cavity 16, so that the regulating valve 15 is connected to the air intake cavity 16, and the natural gas enters the air intake cavity 16 and the air intake shell 13 through the air intake joint 152, the regulating valve 15 and the connecting joint 151. The mixer 17 is fixedly installed on the upper end of the regulating valve 15, and the air pump 14 is fixedly installed on one side of the air intake cavity 16.

[0019] like Figure 1 to Figure 2 As shown, a control rod 121 is penetrated near the lower end of the intake pipe 12, the control rod 121 extends out of the intake pipe 1 and a cylinder 122 is fixedly mounted on the outside of the control rod 121, a first swing arm 3 is fixed on the outside of the cylinder 122 and the first swing arm 3 is connected to the control rod 121, a second swing arm 4 is connected to the rear end of the mixer 17, a first connecting rod 5 connects the first swing arm 3 and the second swing arm 4, by adjusting the control rod 121, the first swing arm 3, the second swing arm 4 and the first connecting rod 5, the flow rate and pressure of the mixture in the mixer 17 and the intake pipe 12 can be effectively controlled, a third swing arm 6 is connected to the front end of the regulating valve 15, a fourth swing arm 7 is connected to the front end of the mixer 17, the second connecting rod 8 is fixedly connected between the third swing arm 6 and the fourth swing arm 7, by adjusting the third swing arm 6, the fourth swing arm 7 and the second connecting rod 8, the flow rate of natural gas entering the regulating valve 15 can be controlled.

[0020] like Figures 1 to 4 As shown, the combustion assembly 2 includes a combustion tube 21, a connecting tube 22 and a guide tube 23. One end of the air intake shell 13 is connected to the connecting tube 22, and the combustion tube 21 is connected to the other side of the connecting tube 22. The guide tube 23 is fixedly installed inside the combustion tube 21. One end of the guide tube 23 is cylindrical and the other end is fan-shaped. This shape has high structural strength and has better diversion effect when in use. A number of ventilation holes 231 are opened on the guide tube 23. One side of the guide tube 23 is connected to an air outlet pipe 24. The air outlet pipe 24 is installed in the combustion tube 21, the connecting tube 22 and the air intake shell 13. The feeding assembly 1 transports the mixture to the guide tube 23 in the combustion tube 21 through the air outlet pipe 24. A fixing ring 241 is installed on the air outlet pipe 24, and the igniter 25 is fixed on the fixing ring 241.

[0021] To elaborate further, Figure 4 As shown, the front end of the igniter 25 is 90 degrees and extends into the vent hole 231. This structure shortens the distance between the igniter 25 and the guide tube 23, thereby improving the ignition and combustion efficiency.

[0022] The working principle of the utility model is as follows: the blower 11 is operated to deliver air to the intake housing 13 through the intake pipe 12, the control lever 121 on the intake pipe 12 controls and adjusts the flow rate and pressure of the air passing through the intake pipe 12 through the first swing arm 3, the second swing arm 4 and the first connecting rod 5, the intake joint 152 is connected to the natural gas delivery pipe, the natural gas enters the regulating valve 15, the intake cavity 16 and the intake housing 13 through the intake joint 152, the third swing arm 6, the fourth swing arm 7 and the second connecting rod 8 control the regulating valve 15, and control and adjust the flow rate and pressure of the natural gas passing through, the mixer 17 mixes the air and natural gas delivered into the intake housing 13 to achieve a more efficient combustion ratio, and the natural gas and air mixture enters the combustion cylinder 21 through the connecting cylinder 22, the guide cylinder 23 inside the combustion cylinder 21 has a guiding effect on the mixture, and the igniter 25 ignites the mixture delivered to the guide cylinder 23 to achieve combustion.

[0023] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0024] Although various terms are used more frequently in this article, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A natural gas burner, comprising a feed assembly (1) and a combustion assembly (2), characterized in that: The feeding assembly (1) comprises a blower (11), an air intake pipe (12), an air intake housing (13), an air pump (14) and a regulating valve (15); an air intake port (131) is provided at the upper end of the air intake housing (13); the air intake pipe (12) is connected and fixed to the air intake port (131); the air intake pipe (12) is connected and fixed to the lower end of the blower (11); a control rod (121) is passed through the lower end of the air intake pipe (12); the control rod (121) extends out of the air intake pipe (12); a cylinder (122) is sleeved and fixed on the outer side of the control rod (121); a first rotary arm (3) is fixed on the outer side of the cylinder (122); the first rotary arm (3) is connected to the control rod (121); the air intake housing (13) is provided with a first rotary arm (3) and the first rotary arm (3) is connected to the control rod (121); One end of the housing (13) is fixedly connected to an air intake cavity (16), the air pump (14) is fixedly mounted on one side of the air intake cavity (16), two ends of the regulating valve (15) are respectively connected to a connecting joint (151) and an air intake joint (152), the connecting joint (151) is sealedly connected to the air intake cavity (16), a mixer (17) is fixedly mounted on the upper end of the regulating valve (15), the combustion assembly (2) comprises a combustion cylinder (21), a connecting cylinder (22) and a flow guide cylinder (23), one end of the air intake housing (13) is connected to the connecting cylinder (22), the combustion cylinder (21) is through-connected to the other side of the connecting cylinder (22), and the flow guide cylinder (23) is fixedly mounted inside the combustion cylinder (21).

2. A natural gas burner according to claim 1, characterized in that: The rear end of the mixer (17) is connected to a second swing arm (4), a first connecting rod (5) is fixed to the second swing arm (4), and the first connecting rod (5) is connected to the first swing arm (3).

3. A natural gas burner according to claim 1, characterized in that: The front end of the regulating valve (15) is connected to a third swing arm (6), the front end of the mixer (17) is connected to a fourth swing arm (7), and a second connecting rod (8) is fixedly connected between the third swing arm (6) and the fourth swing arm (7).

4. A natural gas burner according to claim 1, characterized in that: One end of the guide tube (23) is cylindrical and the other end is fan-shaped. A plurality of ventilation holes (231) are provided on the guide tube (23). One side of the guide tube (23) is connected to an air outlet pipe (24). The air outlet pipe (24) is installed inside the combustion tube (21), the connecting tube (22) and the air inlet housing (13). A fixing ring (241) is installed on the air outlet pipe (24), and an igniter (25) is fixed on the fixing ring (241).

5. A natural gas burner according to claim 4, characterized in that: The front end of the igniter (25) is angled at 90°, and the front end of the igniter (25) extends into the vent hole (231).

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