Pulverized coal and natural gas combined burner

Abstract

The utility model discloses a pulverized coal and natural gas combined burner which comprises a burner body, one end of the burner body is fixedly connected with an oil inlet pipe, the outer wall of the burner body is fixedly connected with a gas inlet pipe, a coal inlet pipe and an ignition oil gun respectively, the inner wall of the coal inlet pipe is movably connected with a movable cylinder, and the movable cylinder is fixedly connected with a gas outlet pipe. A filter hole is fixedly connected to the bottom of the movable cylinder, a mounting frame is fixedly connected to the top of the movable cylinder, a supporting frame is fixedly connected to the inner wall of the movable cylinder, a driving motor is fixedly connected to the outer wall of the supporting frame, and a driving shaft is fixedly connected to an output shaft of the driving motor through a coupler; according to the coal powder and natural gas combined combustion supporting device, coal powder and natural gas combined combustion supporting is facilitated, so that the combustion efficiency is improved, fuel is fully combusted, cakes in the coal powder are conveniently smashed, and the problem that mixing of the coal powder, natural gas and fuel is affected after the coal powder is caked is solved.

Description

Technical Field

[0001] The utility model belongs to the technical direction of burners, and specifically relates to a pulverized coal and natural gas combined burner. Background Art

[0002] A burner is a general term for a device that sprays fuel and air in a certain way for mixed combustion. Burners are widely used in various fields. They are divided into industrial burners, burners, civil burners, and special burners according to their types and application fields.

[0003] The existing burners are inconvenient to simultaneously support combustion with pulverized coal and natural gas, which results in incomplete combustion of the fuel after the support combustion, and further leads to fuel waste. This phenomenon has become a problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0004] The utility model aims to provide a pulverized coal and natural gas combined burner for solving the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a pulverized coal and natural gas combined burner, comprising a burner body, one end of the burner body is fixedly connected to an oil inlet pipe, the outer wall of the burner body is respectively fixedly connected to an air inlet pipe, a coal inlet pipe and an ignition oil gun, the inner wall of the coal inlet pipe is movably connected to a movable cylinder, the bottom of the movable cylinder is fixedly connected to a filter hole, the top of the movable cylinder is fixedly connected to a mounting frame, the inner wall of the movable cylinder is fixedly connected to a support frame, the outer wall of the support frame is fixedly connected to a drive motor, and the drive motor The output shaft of the machine is fixedly connected to the driving shaft through a coupling, and the outer wall of the driving shaft is fixedly connected to the crushing blades. The burner body, oil inlet pipe, air inlet pipe, coal inlet pipe, movable cylinder, filter hole, mounting frame, support frame, driving motor, driving shaft, crushing blades and ignition oil gun are arranged, which is beneficial to the combined combustion of coal powder and natural gas, thereby improving the combustion efficiency, making the fuel burn fully, and facilitating the crushing of agglomerates in the coal powder, solving the problem of coal powder agglomeration affecting the mixing with natural gas and fuel, meeting people's work needs, and worthy of popularization and use.

[0006] Furthermore, the filter holes are evenly distributed at the bottom of the movable cylinder, and the outer wall of the movable cylinder is tightly fitted with the inner wall of the coal inlet pipe, which facilitates filtering of coal powder through the filter holes.

[0007] Furthermore, the mounting frame is a "T"-shaped structure, and the mounting frame and the outer wall of the coal inlet pipe are engaged with each other, which facilitates the installation of the movable cylinder through the mounting frame.

[0008] Furthermore, the mounting brackets are distributed at equal angles along the axial center line of the movable cylinder, thereby improving the firmness of the movable cylinder after installation.

[0009] Furthermore, the support frame is composed of a support ring, two vertically distributed support rods and a support plate, and the support plate is coaxially distributed with the drive motor, which facilitates the support of the drive motor.

[0010] Furthermore, the crushing blades form a rotating structure with the movable cylinder through the driving shaft, which facilitates the crushing of the agglomerated coal powder after the crushing blades are driven to rotate.

[0011] Compared with the prior art, the beneficial effects achieved by the utility model are: the utility model,

[0012] (1) The burner body, oil inlet pipe, air inlet pipe, coal inlet pipe, movable cylinder, filter hole, mounting frame, support frame, drive motor, drive shaft, crushing blade and ignition oil gun are provided, which is conducive to the combined combustion of coal powder and natural gas, thereby improving the combustion efficiency, making the fuel burn fully, and facilitating the crushing of lumps in the coal powder, solving the problem that the coal powder agglomerates affect the mixing with natural gas and fuel, meeting people's work needs, and is worthy of promotion and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the utility model.

[0017] In the figure: 1. burner body; 2. oil inlet pipe; 3. air inlet pipe; 4. coal inlet pipe; 5. movable cylinder; 6. filter hole; 7. mounting frame; 8. support frame; 9. drive motor; 10. drive shaft; 11. crushing blade; 12. ignition oil gun. DETAILED DESCRIPTION

[0018] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0019] See also Figure 1-3 The utility model provides a technical solution: a pulverized coal and natural gas combined burner, comprising a burner body 1, one end of the burner body 1 is fixedly connected to an oil inlet pipe 2, the outer wall of the burner body 1 is respectively fixedly connected to an air inlet pipe 3, a coal inlet pipe 4 and an ignition oil gun 12, the inner wall of the coal inlet pipe 4 is movably connected to a movable cylinder 5, the bottom of the movable cylinder 5 is fixedly connected to a filter hole 6, the top of the movable cylinder 5 is fixedly connected to a mounting frame 7, the inner wall of the movable cylinder 5 is fixedly connected to a support frame 8, the outer wall of the support frame 8 is fixedly connected to a drive motor 9, and the output shaft of the drive motor 9 is fixedly connected through a coupling A drive shaft 10 is provided, and a crushing blade 11 is fixedly connected to the outer wall of the drive shaft 10. The burner body 1, the oil inlet pipe 2, the air inlet pipe 3, the coal inlet pipe 4, the movable cylinder 5, the filter hole 6, the mounting frame 7, the support frame 8, the drive motor 9, the drive shaft 10, the crushing blade 11 and the ignition oil gun 12 are provided, which is beneficial to the combined combustion of coal powder and natural gas, thereby improving the combustion efficiency, making the fuel burn fully, and facilitating the crushing of lumps in the coal powder, solving the problem that the coal powder agglomerates affect the mixing with natural gas and fuel, meeting people's work needs, and worthy of popularization and use.

[0020] Furthermore, the filter holes 6 are evenly distributed at the bottom of the movable cylinder 5 , and the outer wall of the movable cylinder 5 is tightly fitted with the inner wall of the coal inlet pipe 4 , which facilitates filtering of the coal powder through the filter holes 6 .

[0021] Furthermore, the mounting frame 7 is a “T”-shaped structure, and the mounting frame 7 and the outer wall of the coal inlet pipe 4 are engaged with each other, which facilitates the installation of the movable cylinder 5 through the mounting frame 7 .

[0022] Furthermore, the mounting brackets 7 are distributed at equal angles along the axial center line of the movable cylinder 5 , thereby improving the firmness of the movable cylinder 5 after installation.

[0023] Furthermore, the support frame 8 is composed of a support ring, two vertically distributed support rods and a support plate, and the support plate is coaxially distributed with the drive motor 9, which facilitates the support of the drive motor 9.

[0024] Furthermore, the crushing blades 11 form a rotating structure with the movable cylinder 5 through the driving shaft 10, which facilitates the crushing of the agglomerated coal powder by driving the crushing blades 11 to rotate.

[0025] When in use, first connect the air intake pipe 3 to the natural gas pipeline, then insert the movable cylinder 5 into the inner wall of the coal intake pipe 4, and position the movable cylinder 5 by engaging the mounting frame 7 with the coal intake pipe 4, then pour the coal powder into the interior of the movable cylinder 5, so that the movable cylinder 5 filters the coal powder through the filter hole 6, which is beneficial to make the fuel burn more fully under the combined combustion of coal powder and natural gas, and solves the problem of waste caused by insufficient combustion of fuel. The agglomerated coal powder after filtration is retained in the movable cylinder 5, and at this time, the driving motor 9 drives the crushing leaves 11 to rotate through the driving shaft 10, so that the crushing leaves 11 can crush the coal powder, and prevent the problem of uneven mixing with natural gas and fuel due to coal powder agglomeration.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0027] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A pulverized coal and natural gas combined burner, comprising a burner body (1), characterized in that: One end of the burner body (1) is fixedly connected to an oil inlet pipe (2); the outer wall of the burner body (1) is respectively fixedly connected to an air inlet pipe (3), a coal inlet pipe (4) and an ignition oil gun (12); the inner wall of the coal inlet pipe (4) is movably connected to a movable cylinder (5); the bottom of the movable cylinder (5) is fixedly connected to a filter hole (6); the top of the movable cylinder (5) is fixedly connected to a mounting frame (7); the inner wall of the movable cylinder (5) is fixedly connected to a support frame (8); the outer wall of the support frame (8) is fixedly connected to a drive motor (9); the output shaft of the drive motor (9) is fixedly connected to a drive shaft (10) via a coupling; the outer wall of the drive shaft (10) is fixedly connected to a crushing blade (11).

2. A pulverized coal and natural gas combined burner according to claim 1, characterized in that: The filtering holes (6) are evenly distributed at the bottom of the movable cylinder (5), and the outer wall of the movable cylinder (5) is tightly fitted with the inner wall of the coal inlet pipe (4).

3. The pulverized coal and natural gas combined burner according to claim 1, characterized in that: The mounting frame (7) is a "T"-shaped structure, and the mounting frame (7) and the outer wall of the coal inlet pipe (4) are mutually engaged.

4. The pulverized coal and natural gas combined burner according to claim 1, characterized in that: The mounting frames (7) are distributed at equal angles along the axial center line of the movable cylinder (5).

5. The pulverized coal and natural gas combined burner according to claim 1, characterized in that: The support frame (8) is composed of a support ring, two vertically distributed support rods and a support plate, and the support plate is coaxially distributed with the drive motor (9).

6. The pulverized coal and natural gas combined burner according to claim 1, characterized in that: The crushing blade (11) forms a rotating structure with the movable cylinder (5) via a driving shaft (10).

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