CN213542461U - Combustion oil gun - Google Patents

Abstract

A cooling air enters a gun barrel from the inlet end of the gun barrel, flows through a ventilation gap between the oil gun and the gun barrel to cool the oil gun, and finally flows into a hearth. The cooling air is introduced into the gun barrel from the inlet end of the gun barrel to cool the oil gun, and the pressure and the air quantity of the cooling air can be further improved, so that the cooling effect is greatly improved, and the cooling requirement on the oil gun is completely met. The service life of the oil gun can be prolonged by integrally cooling the oil gun and cooling and protecting a quick-wear part of the gun head of the oil gun, so that the oil gun keeps a good and stable atomization effect, the replacement frequency of spare parts is reduced, and the economy is improved; the problem that the stable hot standby function cannot be realized due to the failure and shutdown of a burner system caused by coking and burning out is avoided; avoid the higher operation risk that brings because of maintainer clearance, change combustor oil gun.

Description

Combustion oil gun

Technical Field

The patent of the utility model relates to an industrial supplementary combustor especially relates to a burning oil gun.

Background

At present, industrial auxiliary burner is mostly applied to industries such as electric power, petrochemical industry and the like, wherein a burner outlet oil gun muzzle is mostly exposed in a high-temperature and easily-coking environment, so that the burner is prone to faults such as oil gun outlet blockage, gun head burnout and deformation, field operation personnel need to regularly clean and replace the oil gun, the burner system is a great hidden danger for equipment with high danger, high hot standby requirement and strong emergency capacity requirement, and the operation risk also exists in the aspects of oil gun replacement cost and daily operation and maintenance.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the prior art, the invention provides the combustion oil gun, and the cooling air enters the gun barrel from the inlet end of the gun barrel, flows through the ventilation gap between the oil gun and the gun barrel to cool the oil gun and finally flows into the hearth. The cooling air is introduced into the gun barrel from the inlet end of the gun barrel to cool the oil gun, and the pressure and the air quantity of the cooling air can be further improved, so that the cooling effect is greatly improved, and the cooling requirement on the oil gun is completely met.

The utility model provides a technical scheme that solves the technical problem is, the utility model provides a burning oil gun, including the air inlet pipeline of the auxiliary combustion, telescopic ignition mechanism and oil gun mechanism, be provided with entry mounting flange and export mounting flange on the air inlet pipeline of the auxiliary combustion, telescopic ignition mechanism and oil gun mechanism install and fix on entry mounting flange and export mounting flange, still be provided with air-supply line electric air door actuating mechanism in the entrance of the air inlet pipeline of the auxiliary combustion;

the telescopic ignition mechanism comprises an ignition gun pneumatic thruster and an ignition gun body; the oil gun mechanism comprises a gun barrel and an oil gun arranged in the gun barrel; a ventilation gap is formed between the gun barrel and the oil gun, a positioning device is further arranged on the inner wall of the gun barrel outlet to position and fix the oil gun, an oil return port and an oil inlet are further arranged at the gun barrel inlet end, and a flow stabilizing cover is further arranged at the gun barrel outlet end;

the cooling air flows through a ventilation gap between the oil gun and the gun barrel to cool the oil gun and finally flows into a hearth.

Preferred embodiments of the present invention: and a cooling air inlet is formed in the inlet end of the gun barrel, cooling air is introduced into the cooling air inlet from the outside by using a stainless steel hose, and the cooling air enters the gun barrel from the inlet end of the gun barrel.

Preferred embodiments of the present invention: the positioning device is composed of 3 or 4 positioning blocks, the positioning blocks are of wedge-shaped structures, and the positioning blocks are annularly distributed in a ventilation gap of the gun barrel outlet.

The utility model has the advantages that: the invention provides a combustion oil gun, which is characterized in that a path of cooling air enters a gun barrel from the inlet end of the gun barrel, flows through a ventilation gap between the oil gun and the gun barrel to cool the oil gun and finally flows into a hearth. The cooling air is introduced into the gun barrel from the inlet end of the gun barrel to cool the oil gun, and the pressure and the air quantity of the cooling air can be further improved, so that the cooling effect is greatly improved, and the cooling requirement on the oil gun is completely met. The service life of the oil gun can be prolonged by integrally cooling the oil gun and cooling and protecting a quick-wear part of the gun head of the oil gun, so that the oil gun keeps a good and stable atomization effect, the replacement frequency of spare parts is reduced, and the economy is improved; the problem that the stable hot standby function cannot be realized due to the failure and shutdown of a burner system caused by coking and burning out is avoided; avoid the higher operation risk that brings because of maintainer clearance, change combustor oil gun.

Drawings

Fig. 1-5 are schematic structural diagrams of an embodiment of the prior art, respectively, where fig. 1 is a schematic overall structural diagram, fig. 2 and 3 are schematic partial structural diagrams, fig. 4 is an enlarged schematic partial structural diagram at position I, and fig. 5 is an enlarged schematic structural diagram of a positioning block.

Fig. 6 and 7 are schematic structural views of a first embodiment of the present invention, wherein fig. 6 is a schematic structural view of the whole body, and fig. 7 is a schematic structural view of a part.

In the figure, the position of the upper end of the main shaft,

1. an auxiliary combustion air inlet pipeline, a 1.11 inlet mounting flange, a 1.12 outlet mounting flange, a 1.21 auxiliary combustion air inlet, a 1.22 auxiliary combustion air outlet,

2. an electric air door actuating mechanism of an air inlet pipe,

3. a telescopic ignition mechanism, a 3.1 pneumatic thruster of an ignition gun, a 3.2 gun body of the ignition gun,

4. an oil gun mechanism, a 4.1 gun barrel, a 4.1A vent hole, a 4.2 oil gun, a gap between the 4.2A oil gun and the gun barrel, a 4.31 oil return port, a 4.32 oil inlet, a 4.33 cooling air interface, a 4.4 positioning block, a 4.5 flow stabilizing cover,

5. the outlet of the burner is provided with refractory bricks,

6. and a front end steel plate of the combustion chamber.

Detailed Description

Fig. 1-5 are schematic structural diagrams of an embodiment of the prior art, respectively, where fig. 1 is a schematic overall structural diagram, fig. 2 and 3 are schematic partial structural diagrams, and fig. 4 and 5 are schematic partial structural enlarged diagrams.

The figure shows that in the prior art, a combustion oil gun comprises an auxiliary combustion air inlet pipeline 1, a telescopic ignition mechanism 3 and an oil gun mechanism 4. An inlet mounting flange 1.11 and an outlet mounting flange 1.12 are arranged on the auxiliary fuel air inlet pipeline 1, a telescopic ignition mechanism 3 and an oil gun mechanism 4 are fixedly arranged on the inlet mounting flange 1.11 and the outlet mounting flange 1.12, and an air inlet pipe electric air door actuating mechanism 2 is also arranged at the inlet of the auxiliary fuel air inlet pipeline 1.

The telescopic ignition mechanism 3 comprises an ignition gun pneumatic thruster 3.1 and an ignition gun body 3.2; the oil gun mechanism 4 comprises a gun barrel 4.1 and an oil gun 4.2 arranged in the gun barrel 4.1; a ventilation gap 4.2A is formed between the gun barrel 4.1 and the oil gun 4.2, and a positioning device is further arranged at an outlet of the gun barrel 4.1 to position and fix the oil gun 4.2. An oil return port 4.31 and an oil inlet 4.32 are also arranged at the inlet end of the gun barrel, and a flow stabilizing cover 4.5 is also arranged at the outlet end of the gun barrel 4.1. In the prior art, in order to cool the oil gun 4.2 in the gun barrel 4.1, a ventilation hole 4.1A is arranged on the cylindrical surface of the barrel of the gun barrel 4.1, so that the air entering the auxiliary combustion air inlet pipeline 1 can enter the ventilation hole 4.1A, then flows through a ventilation gap 4.2A between the gun barrel 4.1 and the oil gun 4.2, and finally enters the hearth, thereby playing a cooling role. In actual use, the cooling effect of the structure is not ideal.

Fig. 6 and 7 are schematic structural views of a first embodiment of the present invention, wherein fig. 6 is a schematic structural view of the whole body, and fig. 7 is a schematic structural view of a part.

In the figure, it is shown that, unlike the prior art, in this example, in order to cool the oil gun 4.2 in the gun barrel 4.1, a cooling air is also provided to enter the gun barrel from the inlet end of the gun barrel, and the cooling air flows through the ventilation gap 4.2A between the oil gun 4.2 and the gun barrel 4.1 to cool the oil gun and finally flows into the furnace. In this example, a cooling air inlet 4.23 is further arranged at the inlet end of the gun barrel 4.1, cooling air is introduced into the cooling air inlet 4.23 from the outside by a stainless steel hose, enters the gun barrel from the inlet end of the gun barrel, then flows through a ventilation gap 4.2A between the gun barrel 4.1 and the oil gun 4.2 to cool the oil gun, and finally enters the hearth. In this example, in order to position and fix the oil gun 4.2 well, the positioning device is composed of 3 or 4 positioning blocks 4.4, the positioning blocks 4.4 are in a wedge-shaped structure, and the positioning blocks are distributed in a ring shape and arranged in a ventilation gap 4.2A of the outlet of the gun barrel 4.1.

In the embodiment, a path of cooling air is specially introduced to enter the gun barrel from the inlet end of the gun barrel to cool the oil gun, and the pressure and the air quantity of the cooling air can be further improved, so that the cooling effect is greatly improved, and the cooling requirement on the oil gun is completely met.

Claims (3)

1. A combustion oil gun comprises an auxiliary combustion air inlet pipeline, a telescopic ignition mechanism and an oil gun mechanism, wherein an inlet mounting flange and an outlet mounting flange are arranged on the auxiliary combustion air inlet pipeline;

the telescopic ignition mechanism comprises an ignition gun pneumatic thruster and an ignition gun body; the oil gun mechanism comprises a gun barrel and an oil gun arranged in the gun barrel; a ventilation gap is formed between the gun barrel and the oil gun, a positioning device is further arranged on the inner wall of the gun barrel outlet to position and fix the oil gun, an oil return port and an oil inlet are further arranged at the gun barrel inlet end, and a flow stabilizing cover is further arranged at the gun barrel outlet end;

the cooling air flows through a ventilation gap between the oil gun and the gun barrel to cool the oil gun and finally flows into a hearth.

2. The combustion oil gun as claimed in claim 1, wherein a cooling air inlet is provided at an inlet end of the barrel, and cooling air is introduced into the cooling air inlet from the outside through a stainless steel hose, and the cooling air is introduced into the barrel from the inlet end of the barrel.

3. The combustion oil gun of claim 1, wherein said positioning means comprises 3 or 4 positioning blocks, said positioning blocks are wedge-shaped, and said positioning blocks are annularly disposed in the vent gap of the barrel outlet.

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