CN214038403U - Burner waste heat recovery device - Google Patents

Abstract

The utility model relates to a nozzle waste heat recovery device, burner includes air chamber and nozzle, the burning tube suit is on the burner tip, the heat exchanger sets up in the air chamber upper end, the heat exchanger is including discharging fume the pipe, air pipe and air duct, discharge fume the pipe setting in the air pipe, the air duct is located the lower part of air pipe, and with discharge fume the cavity between pipe and air pipe and communicate with each other, the air chamber includes first air chamber and second air chamber, first air chamber communicates with each other with the burner tip inboard and air duct respectively, the second air chamber communicates with each other with the burning pipe and the pipe of discharging fume respectively, the fin is equipped with on the outer wall of the pipe of discharging fume, the fin is the heliciform and coils outside the pipe of discharging fume. The utility model discloses when using, the hot flue gas that the nozzle burning produced is discharged by the pipe of discharging fume, and the helical fin in the pipe periphery of discharging fume can maximum absorption come from the flue gas in the heat, and meanwhile the air blows in the air hose by the air-supply line in, absorbs the heat on the fin between discharging fume the pipe, can furthest's recovery residual heat in the flue gas.

Description

Burner waste heat recovery device

The technical field is as follows:

the utility model relates to a waste heat recovery technical field especially relates to a nozzle waste heat recovery device.

Background art:

burners are a common name for combustion devices used in industrial fuel furnaces and are understood to be short for "fired nozzles". Generally referred to as a burner body portion, has fuel inlets, air inlets and ejection holes, which serve to distribute fuel and combustion air and to eject it in a manner for post-combustion. Some (or all) of the burners may control the output temperature by adjusting the heat of combustion output in some manner, including PWM techniques. When the burner is used, a lot of residual heat is remained, and the residual heat generally flows out along with gas in the past, so that the waste is very high.

The utility model has the following contents:

the utility model aims at providing a can effectively retrieve the nozzle waste heat recovery device of waste heat to prior art's defect.

The utility model discloses a realize through following technical scheme: the utility model provides a nozzle waste heat recovery device, includes burner, combustion tube, heat exchanger and air-supply line, burner includes air chamber and burner, the burner suit, the heat exchanger sets up in the air chamber upper end, the heat exchanger is including discharging fume pipe, air duct and air duct, the pipe setting of discharging fume is in the air duct, the air duct is located the lower part of air duct, and with discharge fume the pipe with cavity between the air duct communicates with each other, the air chamber includes first air chamber and second air chamber, first air chamber respectively with the burner is inboard and the air duct communicates with each other, the second air chamber respectively with the combustion tube with the pipe of discharging fume communicates with each other, is equipped with the fin on the outer wall of the pipe of discharging fume, the fin is the heliciform and coils outside the pipe of discharging fume.

In the above technical scheme, an air guide groove is arranged on the inner wall of the air pipe.

In the above technical scheme, the air pipe is an S-shaped bent pipe.

In the technical scheme, a plurality of irregular protrusions are arranged on the surface of the fin.

In the above technical scheme, a gas interface is arranged on one side of the gas chamber and communicated with the first gas chamber.

The utility model has the advantages that: the utility model discloses when using, the hot flue gas that the nozzle burning produced is discharged by the pipe of discharging fume, and the spiral fin in the pipe periphery of discharging fume can the at utmost absorption come from the flue gas in the heat, and meanwhile the air blows in the air hose by the air-supply line in, absorbs the heat on the fin between discharging fume the pipe to in the air duct that is located the air hose lower part enters into the combustion tube of nozzle, remaining waste heat, recycle in the recovery flue gas that can furthest.

Description of the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

the reference numbers are as follows: a combustion apparatus 100; a gas cell 110; a first air chamber 111; a second air chamber 112; a burner tip 120; a burner tube 200; a heat exchanger 300; a smoke exhaust pipe 310; an air tube 320; an airway tube 330; a fin 340; an air inlet duct 400.

The specific implementation mode is as follows:

the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.

As shown in fig. 1 and 2, a burner waste heat recovery device comprises a combustion device 100, a combustion pipe 200, a heat exchanger 300 and an air inlet pipe 400, wherein the combustion device 100 comprises an air chamber 110 and a burner 120, the combustion pipe 200 is sleeved on the burner 120, the heat exchanger 300 is arranged at the upper end of the air chamber 110, the heat exchanger 300 comprises a smoke exhaust pipe 310 arranged in an air pipe 320, an air guide pipe 330 positioned at the lower part of the air pipe 320 is communicated with a cavity between a smoke exhaust pipe 310 and the air pipe 320, the air chamber 110 comprises a first air chamber 111 and a second air chamber 112, the first air chamber 111 is respectively communicated with the inner side of the burner 120 and the air guide pipe 330, the second air chamber 112 is respectively communicated with the combustion pipe 200 and the smoke exhaust pipe 310, fins 340 are arranged on the outer wall of the smoke exhaust pipe 310, and the fins 340 are spirally wound outside the smoke exhaust pipe 310.

The inner wall of the air pipe 320 is provided with an air guide groove which is spirally arranged on the inner wall of the air pipe 320, so that the air can spirally move on the air pipe 320, and the effect of absorbing heat is better.

The air pipe 320 is an S-shaped bent pipe, and the heat in the S-shaped bent pipe, which is passed by the flue gas, can be better transferred out.

The surface of the fin 340 is provided with a plurality of irregular bulges, and the irregular bulges can increase the surface area of the fin 340 and improve the heat conduction efficiency.

One side of the air chamber 110 is provided with a gas interface which is communicated with the first air chamber 111, and when the gas burner is used, gas is mixed with air which absorbs waste heat for combustion.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Finally, it should be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (5)

1. The utility model provides a burner waste heat recovery device which characterized in that: including burner (100), combustion tube (200), heat exchanger (300) and air-supply line (400), burner (100) includes air chamber (110) and burner tip (120), burner tube (200) suit is on burner tip (120), heat exchanger (300) set up in air chamber (110) upper end, heat exchanger (300) are including discharging fume pipe (310), air pipe (320) and air duct (330), discharge fume pipe (310) sets up in air pipe (320), air duct (330) are located the lower part of air pipe (320), and with discharge fume pipe (310) with the cavity between air pipe (320) communicates with each other, air chamber (110) include first air chamber (111) and second air chamber (112), first air chamber (111) respectively with burner tip (120) inboard and air duct (330) communicate with each other, second air chamber (112) respectively with burner tube (200) with discharge fume pipe (310) communicates with each other, fins (340) are arranged on the outer wall of the smoke exhaust pipe (310), and the fins (340) are spirally wound outside the smoke exhaust pipe (310).

2. The burner tip waste heat recovery device of claim 1, wherein: the inner wall of the air pipe (320) is provided with an air guide groove.

3. The burner tip waste heat recovery device of claim 1, wherein: the air tube (320) is an S-shaped elbow.

4. The burner tip waste heat recovery device of claim 1, wherein: the surface of the fin (340) is provided with a plurality of irregular bulges.

5. The burner tip waste heat recovery device of claim 1, wherein: and a gas interface is arranged on one side of the gas chamber (110), and the gas interface is communicated with the first gas chamber (111).

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