Feeding assembly of natural gas burner

Abstract

The utility model provides a feeding assembly of a natural gas burner, and belongs to the technical field of machinery. The problem that an existing natural gas burner is not accurate enough in mixing proportion of natural gas and air is solved. The air inlet device comprises an air blower, an air inlet shell and a regulating valve, one end of the air blower is connected with a motor, the upper end of the air inlet shell is provided with an air vent, an air supply pipe is connected between the air blower and the air inlet shell and communicated with the air vent, one side of the air inlet shell is connected with an end cover in a sealed mode, one side of the end cover is cylindrical, and a connecting hole is formed in the end cover. A connecting plate is fixedly mounted at the upper end of the regulating valve, a mixer is fixed at the top end of the connecting plate, one end of the regulating valve is connected with a first rotating arm, a second rotating arm is fixedly mounted on the connecting plate, and the second rotating arm is connected with the mixer; a first connecting rod is fixedly connected between the first rotating arm and the second rotating arm, a third rotating arm is connected and installed on one side of the mixer, a connecting cylinder is installed on one side of the air feeding pipe, a fourth rotating arm is fixed to the connecting cylinder, and a second connecting rod is fixedly connected between the third rotating arm and the fourth rotating arm. The gas burner has the advantages that the proportion of a natural gas and air mixture can be conveniently and accurately adjusted, and the burning efficiency can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery and relates to a feeding component of 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] The Chinese patent with the publication number CN208382148U discloses a natural gas burner, including an air inlet pipe, an air inlet pipe, a gas main pipe, an igniter and a combustion tube. The combustion tube includes a tube bottom and a cylinder with openings at both ends. The cylinder bottom is connected to one end of the cylinder. The air inlet pipe and the air inlet pipe are both connected to the combustion tube. The gas main pipe is arranged in the combustion tube. One end of the gas main pipe is connected to the air inlet pipe, and the other end is at the end of the cylinder away from the bottom of the cylinder. The end of the gas main pipe away from the air inlet pipe is provided with an outlet hole. The igniter is arranged on the outer wall of the gas main pipe through a bracket. A gas branch pipe is also arranged in the combustion tube. The gas branch pipe is arranged around the gas main pipe. One end of the gas branch pipe is connected to the gas main pipe, and the other end is at the end of the cylinder away from the bottom of the cylinder. The natural gas burner provided by the patent lacks a control mechanism at the feeding end, and the flow control of natural gas is insufficient. Utility Model Content

[0004] The utility model aims to provide a feeding assembly for a natural gas burner in view of the above problems existing in the prior art.

[0005] The purpose of the utility model can be achieved through the following technical solutions: A feeding assembly of a natural gas burner, comprising a blower, an air intake shell and a regulating valve, wherein one end of the blower is connected to a motor, an air vent is provided at the upper end of the air intake shell, an air supply pipe is connected between the blower and the air intake shell, the air supply pipe is communicated with the air vent, one side of the air intake shell is sealed with an end cover, one side of the end cover is cylindrical and a connecting hole is provided on the end cover, a first joint and a second joint are respectively sealed and connected on both sides of the regulating valve, the first joint is connected to the connecting hole, a connecting plate is fixedly installed on the upper end of the regulating valve, a mixer is fixed on the top of the connecting plate, one end of the regulating valve is connected to a first rotating arm, a second rotating arm is fixedly installed on the connecting plate and the second rotating arm is connected to the mixer, a first connecting rod is fixedly connected between the first rotating arm and the second rotating arm, a third rotating arm is connected to one side of the mixer, a connecting tube is installed on one side of the air supply pipe, a fourth rotating arm is fixed on the connecting tube, and a second connecting rod is fixedly connected between the third rotating arm and the fourth rotating arm.

[0006] In the above-mentioned feeding assembly of the natural gas burner, a connecting piece is fixedly mounted on one side of the end cover, and an air pump is fixed on the connecting piece.

[0007] In the above-mentioned feeding assembly of a natural gas burner, a flow valve is installed on one side of the gas feeding pipe.

[0008] In the above-mentioned feeding assembly of a natural gas burner, a pressure reducing valve is fixedly installed on one side of the gas feeding pipe.

[0009] In the above-mentioned feeding assembly of a natural gas burner, an igniter is arranged inside the air intake shell, and the igniter extends out of the air intake shell and the end cover.

[0010] Compared with the prior art, the feeding assembly of a natural gas burner provided by the utility model has the following beneficial effects: by setting a regulating valve, a mixer, a plurality of rotating arms and a plurality of connecting rods, flow control of air and natural gas during intake is achieved, and the ratio of the air and natural gas mixture during intake of the utility model is controlled to reach a ratio that is conducive to combustion, thereby improving the combustion efficiency of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the structure of the utility model from another angle;

[0013] Figure 3 It is a schematic diagram of the explosion structure of the utility model.

[0014] In the figure: 1. blower; 110. motor; 2. air intake housing; 21. air vent; 22. end cover; 221. connecting hole; 3. regulating valve; 31. first joint; 32. second joint; 4. air supply pipe; 41. connecting tube; 5. connecting plate; 6. mixer; 7. first rotating arm; 8. second rotating arm; 9. first connecting rod; 10. third rotating arm; 11. fourth rotating arm; 12. second connecting rod; 13. connecting plate; 14. air pump; 15. flow valve; 16. pressure reducing valve; 17. igniter. DETAILED DESCRIPTION

[0015] 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.

[0016] like Figures 1 to 3As shown, this embodiment includes a blower 1, an air intake shell 2 and a regulating valve 3. An air vent 21 is provided at the upper end of the air intake shell 2. An air supply pipe 4 is installed between the blower 1 and the air intake shell 2. The air supply pipe 4 is communicated with the air vent 21. A motor 110 is connected to one end of the blower 1. The motor 110 drives the blower 1 to deliver air into the air supply pipe 4. A flow valve 15 is installed on one side of the air supply pipe 4. The flow valve 15 can detect the air flow in the air supply pipe 4. An end cover 22 is sealedly connected to one side of the air intake shell 2. One side of the end cover 22 is cylindrical and a connecting hole 221 is provided on the end cover 22. A first joint 31 and a second joint 32 are respectively sealedly connected to both sides of the regulating valve 3. The first joint 31 is sealedly connected to the connecting hole 221. When in use, the second joint 32 is connected to the natural gas delivery pipe, and the natural gas enters the regulating valve 3 and the air intake shell 2 through the second joint 32.

[0017] like Figures 1 to 3 As shown, a connecting plate 5 is fixedly installed on the upper end of the regulating valve 3, a mixer 6 is fixed on the top of the connecting plate 5, a first rotating arm 7 is connected to one end of the regulating valve 3, a second rotating arm 8 is fixedly installed on the connecting plate 5 and the second rotating arm 8 is connected to the mixer 6, a first connecting rod 9 is fixedly connected between the first rotating arm 7 and the second rotating arm 8, when in use, the first rotating arm 7 drives the second rotating arm 8 to operate through the first connecting rod 9, the first rotating arm 7 and the second rotating arm 8 are used to control the regulating valve 3, and a third rotating arm 7 is connected and installed on the other side of the mixer 6. 10. A connecting tube 42 is installed on one side of the air supply pipe 4, and a fourth rotating arm 11 is fixed on the connecting tube 42. A second connecting rod 12 is fixedly connected between the third rotating arm 10 and the fourth rotating arm 11. The third rotating arm 10 drives the fourth rotating arm 11 to operate through the second connecting rod 12. The third rotating arm 10 and the fourth rotating arm 11 control the flow rate of the connecting tube 42 between the mixer 6 and the air supply pipe 4. A pressure reducing valve 16 is fixedly installed on one side of the air supply pipe 4. The pressure reducing valve 16 reduces the pressure of the mixture of natural gas and air at the connecting tube 42.

[0018] To elaborate further, Figures 1 to 3 As shown, a connecting piece 13 is fixedly mounted on one side of the end cover 22, and an air pump 14 is fixed on the connecting piece 13, and the air pump 14 provides power for this embodiment.

[0019] To elaborate further, Figures 1 to 3 As shown, an igniter 17 is disposed inside the air intake housing 2 , and the igniter 17 extends out of the air intake housing 2 and the end cover 22 .

[0020] The working principle of the utility model is as follows: the motor 110 drives the blower 1 to operate, the impeller in the blower 1 rotates to generate air flow and enters the air supply pipe 4, the air supply pipe 4 is connected to the air intake shell 2, the second joint 32 is connected to the natural gas delivery pipe, and the natural gas enters the air intake shell 2 through the second joint 32 and the regulating valve 3. By adjusting the first rotating arm 7 and the second rotating arm 8, the flow rate and pressure of the incoming natural gas can be controlled. By adjusting the third rotating arm 10 and the fourth rotating arm 11, the mixer 6 can be controlled so that the ratio of the air and natural gas mixture reaches the most efficient ratio.

[0021] 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.

[0022] 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 feeding assembly for a natural gas burner, comprising a blower (1), an air intake housing (2) and a regulating valve (3), wherein one end of the blower (1) is connected to a motor (110), and the characteristics are: An air vent (21) is provided at the upper end of the air intake housing (2); an air supply pipe (4) is connected between the blower (1) and the air intake housing (2); the air supply pipe (4) is in communication with the air vent (21); an end cover (22) is sealedly connected to one side of the air intake housing (2); one side of the end cover (22) is cylindrical and a connecting hole (221) is provided on the end cover (22); a first joint (31) and a second joint (32) are sealedly connected to two sides of the regulating valve (3); the first joint (31) is connected to the connecting hole (221); a connecting plate (5) is fixedly mounted on the upper end of the regulating valve (3); the connecting plate (5) A mixer (6) is fixed at the top end, a first rotating arm (7) is connected to one end of the regulating valve (3), a second rotating arm (8) is fixedly mounted on the connecting plate (5) and the second rotating arm (8) is connected to the mixer (6), a first connecting rod (9) is fixedly connected between the first rotating arm (7) and the second rotating arm (8), a third rotating arm (10) is connected to one side of the mixer (6), a connecting tube (42) is mounted on one side of the air supply pipe (4), a fourth rotating arm (11) is fixed to the connecting tube (42), and a second connecting rod (12) is fixedly connected between the third rotating arm (10) and the fourth rotating arm (11).

2. The feeding assembly of a natural gas burner according to claim 1, characterized in that: A connecting piece (13) is fixedly mounted on one side of the end cover (22), and an air pump (14) is fixed on the connecting piece (13).

3. The feeding assembly of a natural gas burner according to claim 1, characterized in that: A flow valve (15) is installed on one side of the air supply pipe (4).

4. The feeding assembly of a natural gas burner according to claim 1, characterized in that: A pressure reducing valve (16) is fixedly mounted on one side of the air supply pipe (4).

5. The feeding assembly of a natural gas burner according to claim 1, characterized in that: An igniter (17) is arranged inside the air intake housing (2), and the igniter (17) extends out of the air intake housing (2) and the end cover (22).

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