CN209944332U - Thermal power plant boiler burner nozzle - Google Patents

Abstract

The utility model discloses a boiler burner nozzle of a thermal power plant, which comprises a nozzle, wherein an air channel is arranged at the axis inside the nozzle, an anti-abrasion protective tile is welded on the surface of the inner wall of the nozzle, one end of the anti-abrasion protective tile, which is far away from the air channel, extends into the nozzle, a heat conducting pipe is embedded in the anti-abrasion protective tile, an air box is fixedly installed at the lower end of the nozzle through screws, a fan is fixedly installed in the air box through screws, and an air inlet pipeline is clamped at the output end of the fan; the utility model discloses a heat pipe of installation can play good cooling effect to the spout, can effectively reduce the inside temperature of abrasionproof protection tile fast to can avoid the spout to be difficult to the condition that the discharge burns out because of the heat, the effectual life who prolongs this spout, through the abrasionproof protection tile of installation, can prevent air current direct contact spout inner wall, reduced the wearing and tearing of air current to the spout inner wall, thereby also can prolong the life of this spout.

Description

Thermal power plant boiler burner nozzle

Technical Field

The utility model relates to a relevant equipment technical field of thermal power plant specifically is a boiler burner spout of thermal power plant.

Background

The boiler burner is a burner used on a boiler, the boiler burner is the most important equipment in auxiliary machinery matched with a fuel oil and gas boiler, the boiler burner is mainly divided into an oil burner, a gas burner and a dual-fuel burner (also called as an oil-gas dual-purpose burner), wherein the oil burner can be divided into a light oil burner and a heavy oil burner, the light oil is mainly diesel oil, and the heavy oil is heavy oil left after extracting gasoline and diesel oil from crude oil; the gas burner can be divided into a natural gas burner, a city gas burner, a liquefied petroleum gas burner and a methane gas burner, and the nozzle of the boiler burner feeds fuel and air into the pipe orifice of the hearth according to the concentration, speed, direction or swirl strength required by combustion, and different burner nozzles have different shapes.

However, most of the boiler burner nozzles in the market have single functionality and are inconvenient to use, the inner wall of the nozzle is easy to burn out due to the fact that flame temperature near the burner is high and the burner nozzle has no cooling measure when the traditional boiler burner nozzle is used, and the inner wall of the nozzle is abraded due to long-time air flow spraying in the nozzle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a boiler burner spout of thermal power plant to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a boiler burner spout of thermal power plant, includes the spout, the wind channel has been seted up to the inside axle center department of spout, spout inner wall skin weld has the abrasionproof to protect the tile, the abrasionproof protects the one end that the wind channel was kept away from to the tile and extends to inside the spout, the abrasionproof protects inside inlaying of tile and has the heat pipe, the spout lower extreme has bellows through screw fixed mounting, the inside screw fixed mounting that has of bellows has the fan through screw fixed mounting, fan output end joint has the air-supply line, the one end that the air-supply line kept away from fan air-out end runs through spout and abrasionproof in proper order and protects tile and fixed connection inside the heat pipe, the one end fixedly connected with air-out pipeline that the air-supply line was kept away from.

Preferably, the abrasionproof protects the welding of tile one end and has marginal lug, and marginal lug is close to the one side in spout air intake, the terminal surface of marginal lug is convex structure, and the terminal surface of marginal lug flushes with the terminal surface of abrasionproof protection tile.

Preferably, an air inlet window is formed in the surface of the air box, and a dustproof filter screen is embedded in the inner wall of the air inlet window.

Preferably, the inner wall of the heat conduction pipe is welded with four groups of radiating fins, grooves are formed in two sides of the surface of each radiating fin, and one ends, far away from the inner wall of the heat conduction pipe, of the four groups of radiating fins point to the circle center of the heat conduction pipe.

Preferably, air inlet pipeline, heat pipe and air-out pipeline communicate each other between, the heat pipe is the distribution of screw thread type structure inside the abrasionproof protection tile.

Preferably, the anti-abrasion protective tile is made of stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a heat pipe of installation, when in actual use, the fan operation can blow in the heat pipe with boundary wind through the intake stack, the heat pipe can absorb the heat that the abrasionproof protected the tile, then transmit to the radiating fin on, the air that flows in the heat pipe can absorb the heat on heat pipe and radiating fin surface, then discharge by the air-out pipeline, can play good cooling effect, can effectively reduce the abrasionproof fast and protect the inside temperature of tile, thereby can avoid the spout to be difficult to the condition of burning out because of the heat, the effectual life who prolongs this spout.

2. The utility model discloses an abrasionproof of installation protects the tile, and when in actual use, the air current in the spout is followed the wind channel blowout, and the abrasionproof protects the tile and can prevent air current direct contact spout inner wall, has reduced the wearing and tearing of air current to the spout inner wall to also can prolong the life of this spout.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a schematic view of the heat pipe structure of the present invention.

In the figure: 1-a nozzle; 2-an air duct; 3-air outlet pipeline; 4-wear-resistant protective tile; 5-a heat conducting pipe; 6-edge bumps; 7-an air box; 8-a fan; 9-an air inlet pipeline; 10-an air inlet window; 11-heat dissipation fins; 12-a groove; 13-dustproof filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a thermal power plant boiler burner nozzle comprises a nozzle 1, an air channel 2 is arranged at the axis inside the nozzle 1, the surface of the inner wall of the spout 1 is welded with an anti-abrasion protective tile 4, one end of the anti-abrasion protective tile 4 far away from the air duct 2 extends into the spout 1, a heat conducting pipe 5 is embedded in the anti-abrasion protective tile 4, the lower end of the nozzle 1 is fixedly provided with an air box 7 through a screw, a fan 8 is fixedly arranged in the air box 7 through screws, an air inlet pipeline 9 is clamped at the output end of the fan 8, one end of the air inlet pipeline 9 far away from the air outlet end of the fan 8 sequentially penetrates through the nozzle 1 and the anti-abrasion protective tile 4 and is fixedly connected inside the heat conducting pipe 5, one end of the heat conduction pipe 5, which is far away from the air inlet pipeline 9, is fixedly connected with an air outlet pipeline 3, and one end of the air outlet pipeline 3, which is far away from the heat conduction pipe 5, sequentially penetrates through the anti-abrasion protection tile 4 and the nozzle 1 and extends to the outside of the nozzle 1; in practical use, because the flame temperature near the burner is higher, the temperature of the inner wall of the nozzle 1 will rise, and the anti-wear protection tile 4 will also rise, meanwhile, because the fan 8 is electrically connected with the master controller of the burner, the fan 8 can be controlled, the fan 8 can suck boundary air from the air inlet window 10, and then the boundary air is blown into the heat conduction pipe 5 through the air inlet pipe 9, the heat conduction pipe 5 can absorb the heat of the anti-wear protection tile 4 and then transmit the heat to the heat dissipation fins 11, the air flowing in the heat conduction pipe 5 can absorb the heat on the surfaces of the heat conduction pipe 5 and the heat dissipation fins 11 and then is discharged through the air outlet pipe 3, the heat in the heat conduction pipe 5 can be discharged in time, a good cooling effect can be achieved, the temperature in the anti-wear protection tile 4 can be rapidly and effectively reduced, thereby the situation that the nozzle 1 is burnt out due to the difficulty in heat discharge can be avoided, the service life of the nozzle 1 is effectively prolonged.

An edge bump 6 is welded at one end of the anti-abrasion protection tile 4, the edge bump 6 is close to one side of an air inlet of the nozzle 1, the end face of the edge bump 6 is of a circular arc structure, and the end face of the edge bump 6 is flush with the end face of the anti-abrasion protection tile 4; when using, the air current in the spout is followed wind channel 2 blowout, and abrasionproof protection tile 4 can prevent that the air current direct contact spout 1 inner wall, has reduced the wearing and tearing of air current to spout 1 inner wall to also can prolong the life of this spout, and edge lug 6 can not influence the blowout of air current in the spout 1 yet, makes the 4 surfaces of flow direction abrasionproof protection tile that the air current can be level and smooth.

The surface of the air box 7 is provided with an air inlet window 10, and a dustproof filter screen 13 is embedded in the inner wall of the air inlet window 10; when the fan 8 sucks boundary air into the air box 7 from the air inlet pipe 10, the dustproof filter screen 13 can filter the sucked air, so that dust and impurities of the air can be intercepted, the condition that the heat conducting pipe 5 is blocked due to long service time is avoided, and the maintenance cost is reduced.

The inner wall of the heat conduction pipe 5 is welded with four groups of radiating fins 11, grooves 12 are formed in two sides of the surface of each radiating fin 11, and one ends, far away from the inner wall of the heat conduction pipe 5, of the four groups of radiating fins 11 point to the circle center of the heat conduction pipe 5; when the heat pipe is used, the heat dissipation fins 11 can increase the whole heat dissipation area of the heat pipe 5, and the grooves 12 on the surfaces of the heat dissipation fins 11 can also increase the heat dissipation area of the heat dissipation fins 11, so that air can absorb more heat, and the cooling efficiency is accelerated.

The air inlet pipeline 9, the heat conduction pipe 5 and the air outlet pipeline 3 are communicated with each other, and the heat conduction pipe 5 is distributed in the anti-abrasion protective tile 4 in a threaded structure; the contact area between the heat conduction pipe 5 and the anti-abrasion protection tile 4 can be increased by the thread structure, the heat absorption of the heat conduction pipe 5 to the anti-abrasion protection tile 4 can be accelerated, and therefore a better heat absorption effect can be achieved.

Wherein, the anti-abrasion protective tile 4 is made of 304 stainless steel materials; the service life of the wear-resistant protective tile 4 can be prolonged.

The working principle is as follows: when in use, because the flame temperature near the burner is higher, the temperature of the inner wall of the nozzle 1 will rise, the anti-abrasion protection tile 4 will also rise along with the temperature, meanwhile, because the fan 8 is electrically connected with the master controller of the burner, the fan 8 can be controlled, the fan 8 can suck boundary air from the air inlet window 10 and then blow into the heat conduction pipe 5 through the air inlet pipe 9, the heat conduction pipe 5 can absorb the heat of the anti-abrasion protection tile 4 and then transmit the heat to the heat dissipation fins 11, the air flowing in the heat conduction pipe 5 can absorb the heat on the surfaces of the heat conduction pipe 5 and the heat dissipation fins 11 and then exhaust the heat from the air outlet pipe 3, the heat in the heat conduction pipe 5 can be timely exhausted, a good cooling effect can be achieved, the temperature in the anti-abrasion protection tile 4 can be quickly and effectively reduced, thereby the condition that the nozzle 1 is burnt out due to the heat which is difficult to exhaust can be avoided, the service life of the nozzle 1 is effectively prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a boiler burner spout of thermal power plant, includes spout (1), wind channel (2), its characterized in that have been seted up to spout (1) inside axle center department: the surface of the inner wall of the nozzle (1) is welded with an anti-abrasion protective tile (4), one end of the anti-abrasion protective tile (4) far away from the air duct (2) extends into the nozzle (1), a heat conducting pipe (5) is embedded in the anti-abrasion protective tile (4), an air box (7) is fixedly arranged at the lower end of the nozzle (1) through a screw, a fan (8) is fixedly arranged in the air box (7) through screws, an air inlet pipeline (9) is clamped at the output end of the fan (8), one end of the air inlet pipeline (9) far away from the air outlet end of the fan (8) sequentially penetrates through the nozzle (1) and the anti-abrasion protective tile (4) and is fixedly connected inside the heat conducting pipe (5), one end of the heat conduction pipe (5) far away from the air inlet pipeline (9) is fixedly connected with an air outlet pipeline (3), one end of the air outlet pipeline (3) far away from the heat conduction pipe (5) sequentially penetrates through the anti-abrasion protective tile (4) and the nozzle (1) and extends to the outside of the nozzle (1).

2. The thermal power plant boiler burner nozzle of claim 1, characterized in that: abrasionproof protects tile (4) one end welding has marginal lug (6), and marginal lug (6) are close to in one side of spout (1) air intake, the terminal surface of marginal lug (6) is convex structure, and the terminal surface of marginal lug (6) flushes with the terminal surface of abrasionproof protection tile (4).

3. The thermal power plant boiler burner nozzle of claim 1, characterized in that: an air inlet window (10) is formed in the surface of the air box (7), and a dustproof filter screen (13) is embedded in the inner wall of the air inlet window (10).

4. The thermal power plant boiler burner nozzle of claim 1, characterized in that: the heat pipe is characterized in that heat radiating fins (11) are welded on the inner wall of the heat pipe (5), four groups of heat radiating fins (11) are arranged, grooves (12) are formed in two sides of the surface of each heat radiating fin (11), and one ends, far away from the inner wall of the heat pipe (5), of the heat radiating fins (11) point to the circle center of the heat pipe (5).

5. The thermal power plant boiler burner nozzle of claim 1, characterized in that: air inlet pipeline (9), heat pipe (5) and air-out pipeline (3) communicate each other, heat pipe (5) are the distribution of screw thread type structure inside abrasionproof protection tile (4).

6. The thermal power plant boiler burner nozzle of claim 1, characterized in that: the anti-abrasion protective tile (4) is made of 304 stainless steel.

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