Ground burning machine air knife

Abstract

The utility model discloses a ground burning machine air knife which comprises a guide pipe, a central pipe is welded to the outer wall of the bottom end of the guide pipe, branch pipes which are symmetrically distributed are welded to the outer walls of the two sides of the guide pipe, fire distribution pipes are welded to the outer walls of the bottom ends of the central pipe and the branch pipes, and sealing plates are welded to the outer walls of the two ends of each fire distribution pipe. Transverse pipes communicated with each other are welded to the side walls of the bottoms of the fire distribution pipes, and a plurality of fire spraying holes distributed at equal intervals are formed in the outer walls of the bottoms of the transverse pipes. According to the burner, flames in the burner can be led down through the arranged guide pipe, the flames are evenly distributed in the fire distribution pipe and the transverse pipe through the center pipe and the branch pipes, the flames are evenly sprayed out to the ground through the fire spraying holes, the burning effect on the ground is achieved, meanwhile, the transverse pipe and the fire distribution pipe have a certain transverse span, and therefore the burning effect on the ground is achieved. The ground burning machine can burn the ground with a certain width at a time, and the ground burning efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of road maintenance, in particular to an air knife for a ground burning machine. Background Art

[0002] The existing small-scale burning machine is mainly used for the treatment of oil-soaked concrete floors, road signs, various wet / humid surfaces, and the treatment of highway and bridge joints. It generally consists of a gas source and an ignition device, and the flame generated burns the ground to achieve the preset effect.

[0003] Generally, high-pressure air and burning gas sources are fully burned in the burner. If they are directly sprayed onto the road surface through the burner, the flame will not be concentrated, and a good burning effect on the ground cannot be achieved, which fails to meet the preset requirements. Therefore, it is urgent to design a ground burning machine air knife to solve the above problems. Utility Model Content

[0004] The utility model aims to provide an air knife for a ground burning machine to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A ground burning machine air knife comprises a conduit, a central tube is welded to the outer wall of the bottom end of the conduit, and symmetrically distributed branch tubes are welded to the outer walls on both sides of the conduit, a fire distribution tube is welded to the outer walls of the bottom ends of the central tube and the branch tubes, sealing plates are welded to the outer walls of both ends of the fire distribution tube, a connected cross tube is welded to the side wall of the bottom of the fire distribution tube, and a plurality of equally distributed flame holes are opened on the outer wall of the bottom of the cross tube.

[0007] Preferably, a connecting flange is welded on the outer wall of the top end of the conduit, and a plurality of bolt holes equidistantly distributed in a ring shape are arranged on the outer side wall of the top of the connecting flange.

[0008] Preferably, a through hole is provided above the outer wall of one side of the sealing plate, and a pin is inserted into the interior of the through hole for fixing via bolts.

[0009] Preferably, a plurality of reinforcing brackets are welded on the outer wall of the top of the fire distribution tube, and the top ends of the reinforcing brackets are fixed on the outer wall of the conduit.

[0010] Preferably, a burner is further included, and the conduit is connected to the outer wall of the bottom of the burner through a connecting flange, a protective frame is fixedly provided on the outer wall of one side of the burner, and a heat insulation plate located on one side of the conduit is welded to the outer wall of the bottom of the protective frame.

[0011] Preferably, the diameter of the flame-spraying holes is 3-5 mm, the spacing between adjacent flame-spraying holes is 5-7 mm, and the length of a single horizontal tube is 500-600 mm.

[0012] In the above technical solution, the utility model provides an air knife for a burning machine, which has the following beneficial effects:

[0013] Through the provided conduit, the flame inside the burner can be led down, and the flame is evenly distributed in the fire distribution pipe and the horizontal pipe through the central pipe and the branch pipe, and evenly sprayed on the ground through the flame-spraying holes to achieve a burning effect on the ground. At the same time, the horizontal pipe and the fire distribution pipe have a certain horizontal span, which can enable the ground burning machine to burn a certain width of the ground at one time, thereby improving the efficiency of burning the ground. The many flame-spraying holes provided below the horizontal pipe can make the flame spray onto the ground more evenly and better. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 The utility model is a left-side structural schematic diagram of an air knife embodiment of a ground burning machine.

[0016] Figure 2 The utility model is a schematic diagram of the main structure of an air knife for a ground burning machine.

[0017] Figure 3 The utility model is a schematic diagram of a top view of the structure of an air knife for a ground burning machine.

[0018] Figure 4 A schematic diagram of the structure of an air knife installed below a burner in an embodiment of an air knife for a ground burning machine according to the utility model.

[0019] Figure 5 The utility model is a schematic diagram of the horizontal pipe structure provided by an air knife embodiment of a ground burning machine.

[0020] Figure 6 A schematic diagram of a sealing plate structure provided for an air knife embodiment of a ground burning machine according to the utility model.

[0021] 1. guide tube, 2. connecting flange, 3. sealing plate, 4. pin, 5. reinforcing support frame, 6. fire distribution pipe, 7. transverse pipe, 8. branch pipe, 9. center pipe, 10. burner, 11. protective frame, 12. heat insulation board, 13. flame hole. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] like Figure 1-6 As shown, an air knife for a ground burning machine provided by an embodiment of the utility model comprises a conduit 1, a central tube 9 is welded on the outer wall at the bottom end of the conduit 1, and symmetrically distributed branch tubes 8 are welded on the outer walls on both sides of the conduit 1, a fire distribution tube 6 is welded on the outer walls of the bottom ends of the central tube 9 and the branch tubes 8, sealing plates 3 are welded on the outer walls of both ends of the fire distribution tube 6, a connected transverse tube 7 is welded on the side wall at the bottom of the fire distribution tube 6, and a plurality of equally distributed flame holes 13 are opened on the outer wall at the bottom of the transverse tube 7.

[0024] Specifically, in this embodiment, a conduit 1 is included, and the conduit 1 is used to lead the fire crow in the burner 10 downward. The conduit 1 is made of SS316L stainless steel. A central tube 9 is welded on the outer wall of the bottom end of the conduit 1, and the flame is led vertically downward through the central tube 9. Symmetrically distributed branch tubes 8 are welded on the outer walls on both sides of the conduit 1, and the flame is led downward to both sides through the branch tubes 8 on both sides. Fire distribution tubes 6 are welded on the outer walls of the bottom ends of the central tube 9 and the branch tubes 8, and sealing plates 3 are welded on the outer walls of both ends of the fire distribution tube 6. The sealing plates 3 are used to fix the fire distribution tube 6. A connected transverse tube 7 is welded on the side wall at the bottom of the fire distribution tube 6. The specification of the transverse tube 7 is smaller than that of the fire distribution tube 6. A plurality of equidistantly distributed flame holes 13 are opened on the outer wall at the bottom of the transverse tube 7. The flames inside the fire distribution tube 6 and the transverse tube 7 are sprayed from the flame holes 13 to the ground.

[0025] The utility model provides an air knife for a ground burning machine, which can lead the flame inside the burner 10 downward through the provided guide tube 1, and evenly distribute the flame in the fire distribution tube 6 and the cross tube 7 through the central tube 9 and the branch tube 8, and evenly spray it onto the ground through the flame spray hole 13, thereby achieving a burning effect on the ground. Meanwhile, the cross tube 7 and the fire distribution tube 6 have a certain transverse span, which can enable the ground burning machine to burn a certain width of the ground at one time, thereby improving the efficiency of burning the ground.

[0026] The burner 10 is also included, and the conduit 1 is connected to the outer wall at the bottom of the burner 10 through the connecting flange 2. A protective frame 11 is fixedly provided on the outer wall on one side of the burner 10. A heat insulation board 12 located on one side of the conduit 1 is welded to the outer wall at the bottom of the protective frame 11. The heat insulation board 12 can prevent flames or excessive temperatures from appearing in front of the burner 10, thereby improving the safety of the burner when in use.

[0027] As an embodiment provided by the utility model, a connecting flange 2 is welded on the outer wall at the top end of the conduit 1, and a plurality of bolt holes equidistantly distributed in a ring shape are arranged on the outer wall at the top of the connecting flange 2, so that a fixed connection between the conduit 1 and the burner 1 is achieved through the connecting flange 2.

[0028] As another embodiment provided by the utility model, a through hole is provided above the outer wall on one side of the sealing plate 3, and a pin 4 is inserted into the interior of the through hole by means of bolts, so that the sealing plate 3 can be stably installed on the frame of the floor burning machine, thereby realizing the fixed installation of the air knife and allowing the air knife to move closely along the ground.

[0029] As another embodiment provided by the utility model, a plurality of reinforcing brackets 5 are welded on the outer wall of the top of the fire distribution pipe 6, and the top end of the reinforcing bracket 5 is fixed on the outer wall of the conduit 1. The adopted reinforcing bracket 5 ensures that the fire distribution pipe 6 can be stably installed at the bottom end of the branch pipe 8 and the central pipe 9, thereby ensuring the stability of the fire distribution pipe 6.

[0030] In another embodiment provided by the utility model, the diameter of the flame hole 13 is 3-5 mm, the spacing between adjacent flame holes 13 is 6 mm, and the length of a single horizontal tube 7 is 550 mm, so that after the ground burning machine moves on the ground, it can burn a span with a width of 550 mm at one time, thereby improving the efficiency of burning the ground.

[0031] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A ground burning machine air knife, comprising a guide tube (1), characterized in that: A central tube (9) is welded to the outer wall of the bottom end of the conduit (1), and symmetrically distributed branch tubes (8) are welded to the outer walls of both sides of the conduit (1), a fire distribution tube (6) is welded to the outer walls of the bottom ends of the central tube (9) and the branch tubes (8), sealing plates (3) are welded to the outer walls of both ends of the fire distribution tube (6), a connected transverse tube (7) is welded to the side wall of the bottom of the fire distribution tube (6), and a plurality of equidistantly distributed flame-spraying holes (13) are opened on the outer wall of the bottom of the transverse tube (7).

2. The ground burning machine air knife according to claim 1, characterized in that: A connecting flange (2) is welded on the outer wall of the top end of the conduit (1), and a plurality of bolt holes which are equidistantly distributed in a ring shape are arranged on the outer wall of the top end of the connecting flange (2).

3. The ground burning machine air knife according to claim 1, characterized in that: A through hole is provided above the outer wall of one side of the sealing plate (3), and a pin (4) is inserted and fixed inside the through hole by means of bolts.

4. The ground burning machine air knife according to claim 1, characterized in that: A plurality of reinforcing brackets (5) are welded to the outer wall of the top of the fire distribution pipe (6), and the top ends of the reinforcing brackets (5) are fixed to the outer wall of the conduit (1).

5. The ground burning machine air knife according to claim 1, characterized in that: It also includes a burner (10), and the conduit (1) is connected to the outer wall at the bottom of the burner (10) through a connecting flange (2), a protective frame (11) is fixedly arranged on the outer wall of one side of the burner (10), and a heat insulation board (12) located on one side of the conduit (1) is welded to the outer wall at the bottom of the protective frame (11).

6. The ground burning machine air knife according to claim 1, characterized in that: The diameter of the flame-spraying hole (13) is 3-5 mm, the spacing between adjacent flame-spraying holes (13) is 5-7 mm, and the length of a single transverse tube (7) is 500-600 mm.

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