Natural gas side combustion spray gun hood for kiln

Abstract

The utility model discloses a natural gas side burning spray gun air cap for a kiln, which comprises an air cap main body, a main runner cavity is arranged in the air cap main body, a main airflow hole communicated with the main runner cavity is arranged in the middle of the side surface of the air cap main body, two air corners are symmetrically arranged on the side surface of the air cap main body, and auxiliary airflow holes are arranged on the side surfaces of the air corners. An auxiliary flow channel cavity communicated with the auxiliary airflow holes is formed in the air cap body, a mounting frame is arranged between the two air angles, and a conical flow divider is mounted on the mounting frame. According to the natural gas side combustion spray gun hood for the kiln, the conical flow divider is additionally arranged on the hood, the conical flow divider is used for limiting and guiding the flowing direction of natural gas, the natural gas is jetted and combusted in an outward-expanding mode, the flame jetting length can be reduced in the mode, and therefore impact of flames on the furnace wall is reduced; the combustion efficiency after the natural gas is sprayed out is further improved, heat energy utilization is guaranteed, and the spray gun is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to a spray gun hood device technical field, concretely is a natural gas side burning spray gun hood for kiln. BACKGROUND

[0002] In the use process of large kiln, in order to improve the natural gas combustion efficiency, the side burning mode is currently often used, due to different kiln designs, the natural gas combustion effect is different in the kiln, the common natural gas spray gun flame is long, when using in the kiln with narrow width, the flame is easy to impact the opposite kiln wall, causes the influence to the kiln use, simultaneously, the flame impact on the kiln wall leads to the flame heat utilization effect to be poor, is unfavorable to the kiln use. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problems of overcoming the defects of the prior art, providing a natural gas side burning spray gun hood for kiln, a conical flow divider is additionally arranged on the hood, the conical flow divider is used for limiting and guiding the flow direction of natural gas, so that the natural gas is sprayed and burned in an outward expanding manner, which can reduce the length of flame spraying, thereby reducing the impact of flame on the kiln wall, and the natural gas can be dispersed by the method, thereby further improving the combustion efficiency of the sprayed natural gas, ensuring the utilization of heat energy, facilitating the use of the spray gun, and effectively solving the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a natural gas side burning spray gun hood for kiln, comprising a hood main body, a main flow channel cavity is arranged in the hood main body, a main gas flow hole is formed in the middle part of the side surface of the hood main body and is communicated with the main flow channel cavity, two air corners are symmetrically arranged on the side surface of the hood main body, and a secondary gas flow hole is formed in the side surface of the air corner, a secondary flow channel cavity is arranged in the hood main body and is communicated with the secondary gas flow hole, a mounting bracket is arranged between the two air corners, a conical flow divider is mounted on the mounting bracket, and the conical flow divider is arranged opposite to the main gas flow hole, and the conical part of the conical flow divider is arranged close to the main gas flow hole.

[0005] As a preferred technical scheme of the utility model, the mounting bracket comprises a fixing bracket fixed on the side surface of the air corner, a connecting bracket is fixed on the side of the fixing bracket away from the air corner, the connecting bracket is fixedly connected with the conical flow divider on the side of the connecting bracket away from the fixing bracket, and the side surface of the connecting bracket is triangularly arranged at the lower part.

[0006] As a preferred technical scheme of the utility model, a plurality of flow guide grooves are formed in the side surface of the conical flow divider, and the flow guide grooves penetrate through the upper side of the conical flow divider.

[0007] As a preferred technical scheme of the utility model, a first slope surface is arranged on the upper part of the inner cavity of the main flow channel cavity, a second slope surface is arranged between the first slope surface and the main gas flow hole, and a reinforcing cap nozzle is fixed on the position of the side surface of the hood main body close to the main gas flow hole.

[0008] As a preferred technical scheme of the utility model, the connecting groove is arranged on the side surface of the air cap main body and is located in the main flow channel cavity, and the clamping protrusion is fixed to the lower part of the side surface of the air cap main body.

[0009] As a preferred technical scheme of the utility model, the conical flow divider and the mounting frame are both made of heat-resistant material.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The natural gas side-burning spray gun air cap for a kiln of the utility model example is additionally provided with a conical flow divider on the air cap, the conical flow divider is used for limiting and guiding the natural gas flow direction, the natural gas is sprayed and burned in an outward expanding manner, this mode can reduce the flame spraying length, thereby reducing the impact of the flame on the furnace wall, meanwhile, this mode can scatter the natural gas, further improves the combustion efficiency of the sprayed natural gas, guarantees the utilization of heat energy and facilitates the use of the spray gun. BRIEF DESCRIPTION OF DRAWINGS

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

[0013] Figure 2 It is a front view structural schematic diagram of the utility model;

[0014] Figure 3 It is a sectional view structural schematic diagram of the utility model;

[0015] Figure 4 It is a sectional view structural schematic diagram of the connecting frame in the utility model.

[0016] In the drawing: 1, air cap main body, 2, main flow channel cavity, 3, first slope surface, 4, second slope surface, 5, reinforcing cap nozzle, 6, air angle, 7, auxiliary flow channel cavity, 8, auxiliary gas flow hole, 9, connecting groove, 10, clamping protrusion, 11, fixing frame, 12, connecting frame, 13, conical flow divider. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figures 1-4The utility model provides a kind of technical scheme: a natural gas side burns lance bonnet for kiln, including bonnet main body 1, main flow passage cavity 2 is provided in bonnet main body 1 inside, main gas flow hole is communicated with main flow passage cavity 2 and is set in the middle part of the side surface of bonnet main body 1, when using, lance is ejected natural gas combustion flame outside through the main gas flow hole of the side surface of bonnet main body 1, connecting groove 9 is arranged in the side surface of bonnet main body 1, and connecting groove 9 is located in main flow passage cavity 2, connecting groove 9 is convenient for installing bonnet main body 1 in external lance end, clamping protrusion 10 is fixed in the lower part of the side surface of bonnet main body 1, and clamping protrusion 10 improves the structural strength when bonnet main body 1 is connected with lance.

[0019] Two air corners 6 are symmetrically arranged in the side surface of bonnet main body 1, and vice gas flow hole 8 is arranged in the side surface of air corner 6, and vice flow passage cavity 7 is arranged in bonnet main body 1 and communicated with vice gas flow hole 8, vice gas flow hole 8 ejects airflow auxiliary flame from the side surface of bonnet main body 1, mounting rack is arranged between two air corners 6, and conical flow divider 13 is installed on mounting rack, and conical flow divider 13 is arranged opposite to main gas flow hole, and the conical part of conical flow divider 13 is arranged close to main gas flow hole, natural gas is acted on conical flow divider 13 after being ejected from main gas flow hole, and is shunted and guided by conical flow divider 13, so that natural gas is diffused, thereby reducing flame ejection length, reducing the impact of flame on kiln wall, while the flame burning efficiency can be further improved after natural gas is diffused, and heat energy utilization is guaranteed;Conical flow divider 13 and mounting rack are processed and prepared using heat-resistant material, which facilitates installation and use.

[0020] A plurality of flow guide grooves are arranged in the side surface of conical flow divider 13, and the flow guide grooves penetrate the upper side of conical flow divider 13, part of natural gas enters the flow guide grooves and flows along the flow guide grooves, so that natural gas is still ejected from the middle part of bonnet main body 1, preventing natural gas from being unable to burn flame in the middle part after being shunted by conical flow divider 13, and facilitating lance to eject flame to burn kiln.

[0021] Mounting rack includes fixed frame 11 fixed in the side surface of air corner 6, connecting frame 12 is fixed on the side of fixed frame 11 away from air corner 6, and connecting frame 12 is fixedly connected with conical flow divider 13 on the side away from fixed frame 11, and the lower part of the side surface of connecting frame 12 is triangularly arranged, and connecting frame 12 is closer to main gas flow hole than fixed frame 11, and the natural gas ejected from main gas flow hole is shunted by the triangular structure of the lower part of the side surface of connecting frame 12, facilitating flame combustion.

[0022] The first slope surface 3 is arranged in the upper portion of the cavity of the main flow channel cavity 2, the second slope surface 4 is arranged between the first slope surface 3 and the main gas flow hole, the first slope surface 3 is arranged to facilitate the natural gas in the main flow channel cavity 2 to flow to the second slope surface 4, the second slope surface 4 is arranged to gather the gas flow, and the natural gas is facilitated to be sprayed from the main gas flow hole to burn, the reinforcing cap nozzle 5 is fixed at the position close to the main gas flow hole on the side of the hood main body 1, the reinforcing cap nozzle 5 guarantees the structural strength of the hood main body 1, and the service life of the hood main body 1 is improved.

[0023] The specific structure, material and working principle of the non-disclosed part in the utility model are not described in detail. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A natural gas side burner lance hood for furnaces, comprising a hood body (1), characterized in that: The hood body (1) is internally provided with a main flow channel cavity (2), a main air flow hole is formed in the middle of the side of the hood body (1) and communicates with the main flow channel cavity (2), two air corners (6) are symmetrically arranged on the side of the hood body (1), a secondary air flow hole (8) is formed in the side of the air corner (6), a secondary flow channel cavity (7) is arranged in the hood body (1) and communicates with the secondary air flow hole (8), a mounting rack is arranged between the two air corners (6), a conical flow divider (13) is mounted on the mounting rack, and the conical flow divider (13) is arranged opposite to the main air flow hole, and the conical part of the conical flow divider (13) is arranged close to the main air flow hole.

2. The natural gas side-fired burner tip for a furnace as set forth in claim 1, characterized by: The mounting rack comprises a fixing rack (11) fixed on the side of the air corner (6), a connecting rack (12) is fixed on the side of the fixing rack (11) away from the air corner (6), the connecting rack (12) is fixedly connected with the conical flow divider (13) on the side of the connecting rack (12) away from the fixing rack (11), and the side of the connecting rack (12) is triangularly arranged at the lower part.

3. The natural gas side-fired burner tip for a furnace as set forth in claim 1, characterized by: The conical flow divider (13) is provided with a plurality of flow guide grooves on the side thereof, and the flow guide grooves penetrate through the upper side of the conical flow divider (13).

4. The natural gas side-fired burner tip for a furnace as set forth in claim 1, characterized by: A first slope (3) is arranged on the upper part of the inner cavity of the main flow channel cavity (2), a second slope (4) is arranged between the first slope (3) and the main air flow hole, and a reinforcing cap (5) is fixed on the side of the hood body (1) close to the main air flow hole.

5. The natural gas side-fired burner tip for a furnace as set forth in claim 1, characterized by: A connecting groove (9) is arranged on the side of the hood body (1), and the connecting groove (9) is located in the main flow channel cavity (2), and a clamping protrusion (10) is fixed on the lower part of the side of the hood body (1).

6. The natural gas side-fired burner tip for a furnace as set forth in claim 1, characterized by: The conical flow divider (13) and the mounting rack are both made of heat-resistant material.

Images