CN208901389U - A kind of low-oxynitride combustor - Google Patents

Abstract

The utility model discloses a kind of low-oxynitride combustors, including burner body and combustion head, the outer surface of the burner body is provided with ignition switch, the top of the burner body, which is run through, air inlet, the side of the burner body is connected with combustion head by the first connecting flange, this kind of low-oxynitride combustor, when user needs small fire, big connecting tube is connect by user with combustion head, user rotates knob, by knob adjust that combustion gas and combustion-supporting gas passes through number, after combustion-supporting gas reaches combustion head, combustion-supporting gas is leaked out in venthole, it is pre-mixed with combustion gas, then combustion-supporting gas is blocked in nozzle by baffle, it is sprayed in mixed air vessel by spout, it is thoroughly mixed with combustion gas, then ignition switch is opened, fire rod is set to point out spark into mixed air vessel, combustion gas is lighted, combustion head The flame of ejection is compressed by extension and is sprayed by small connecting tube, improves the density of flame, user-friendly.

Description

A kind of low-oxynitride combustor

Technical field

The utility model relates to technical field of burner, specially a kind of low-oxynitride combustor.

Background technique

Burner rationally mixes fuel with air, makes the equipment of fuel stabilization kindling and completely burned, and burner is used for Combusting coal fines, the boiler of liquid fuel and gaseous fuel and industrial furnace etc., coal-fired miniature boiler generally use layer to fire mode, no Burner is needed, burner can be divided into 3 class of coal burner, oil burner and gas burner by the difference of fired fuel.

Existing burner is to achieve the purpose that operate flame size by controlling the amount of burning gases, but be somebody's turn to do mostly Kind of mode can not adjust the distance and concentration to jet out flames, when needing high fire, the combustion gas meeting of burning more by combustion head Larger distance is sprayed, more wasteful resource can generate more nitrogen oxides, pollute environment, and existing burner combustion Process is to release combustion gas and combustion-supporting gas together in outlet mostly, this kind of mode can not be such that combustion gas and combustion-supporting gas uniformly mixes It closes, influences efficiency of combustion, pollute environment.

Utility model content

The purpose of this utility model is to provide a kind of low-oxynitride combustors, to solve to mention in above-mentioned background technique Combustion head adjusts the distance of flame injection and concentration effect difference and combustion gas, helps combustion gas mixing not uniform enough out, can generate more The problem of exhaust gas, pollution environment.

To achieve the above object, the utility model provides the following technical solutions: a kind of low-oxynitride combustor, including Burner body and combustion head, the outer surface of the burner body are provided with ignition switch, the top of the burner body Through there is an air inlet, the side of the burner body is connected with combustion head by the first connecting flange, and the one of the combustion head Side offers connecting groove, and the burner body is internally provided with fuel gas conduit, and the fuel gas conduit extends through burner Main body and combustion head, the bosom of the fuel gas conduit are horizontally arranged with air hose, and the interior side of the fuel gas conduit, which runs through, to be had Venthole, the side of the venthole are provided with spout, are provided with mixed air vessel on the outside of the spout, the combustion head it is interior Fire rod is fixed with by mounting base above portion, the interior side of the combustion head is fixed with burner plate, and the combustion head is separate The side of first connecting flange is connected with extension, and one end of the extension is connected with big connecting tube, the extension it is another One end is connected with small connecting tube.

Preferably, the bottom of the burner body is connected with knob, and the outer surface of the knob is provided with a plurality of cross Line.

Preferably, the top of the air inlet is fixed with the second connecting flange, and the air inlet is connected with fuel gas conduit.

Preferably, one end of the air hose is connected with limited block, and the limited block is located at the inner wall of burner body.

Preferably, the spout is fixed with baffle far from the side of venthole, and the baffle is located at the another of air hose End.

Preferably, the extension and combustion head dismantling connection, and the extension is interior through along the side far from combustion head To gradually successively decreasing.

Compared with prior art, the utility model has the beneficial effects that this kind of low-oxynitride combustor, is provided with and prolongs Pipe, big connecting tube, small connecting tube, venthole, mixed air vessel and spout are stretched, when user needs small fire, user is by Dalian Adapter tube connect with combustion head, user rotation knob, by knob adjusting combustion gas and combustion-supporting gas pass through number, when combustion-supporting gas After reaching combustion head, combustion-supporting gas is leaked out in venthole, is pre-mixed with combustion gas, then combustion-supporting gas is kept off in nozzle by baffle Firmly, it is sprayed in mixed air vessel by spout, is thoroughly mixed with combustion gas, then open ignition switch, make fire rod to mixed air vessel Spark is inside pointed out, combustion gas is lighted, the flame that combustion head sprays is compressed by extension and sprayed by small connecting tube, makes flame Density improves, user-friendly, when user needs high fire, small connecting tube and connecting groove is socketed, and pass through rotation The size of button adjusting section flame, makes flame scatter in extension, improves the intensity of a fire, solves the distance that combustion head adjusts flame injection With concentration effect difference and combustion gas, help combustion gas mixing not uniform enough, can generate more exhaust gas, pollute environment the problem of.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model burner body and combustion head the schematic diagram of the section structure；

Fig. 3 is the utility model combustion head partial structural diagram；

Fig. 4 is the utility model extension the schematic diagram of the section structure.

In figure: 1, burner body；2, the first connecting flange；3, knob；4, combustion head；5, ignition switch；6, air inlet； 7, the second connecting flange；8, limited block；9, big connecting tube；10, extension；11, small connecting tube；12, connecting groove；13, it burns Plate；14, fire rod；15, mounting base；16, spout；17, baffle；18, venthole；19, fuel gas conduit；20, air hose；21, it mixes Gas chamber.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of low-oxynitride combustor, including combustion Burner main body 1, the first connecting flange 2, knob 3, combustion head 4, ignition switch 5, air inlet 6, the second connecting flange 7, limited block 8, big connecting tube 9, extension 10, small connecting tube 11, connecting groove 12, burner plate 13, fire rod 14, mounting base 15, spout 16, Baffle 17,18 fuel gas conduit 19 of venthole, air hose 20 and mixed air vessel 21, the outer surface setting of the burner body 1 is a little Fiery switch 5, through there is air inlet 6, the side of the burner body 1 passes through the first connection at the top of the burner body 1 Flange 2 is connected with combustion head 4, and the side of the combustion head 4 offers connecting groove 12, and the inside of the burner body 1 is set Fuel gas conduit 19 is equipped with, and the fuel gas conduit 19 extends through burner body 1 and combustion head 4, in the inside of the fuel gas conduit 19 Between be horizontally arranged with air hose 20, the interior side of the fuel gas conduit 19 is through having venthole 18, the side of the venthole 18 It is provided with spout 16, the outside of the spout 16 is provided with mixed air vessel 21, and the inner upper of the combustion head 4 passes through mounting base 15 are fixed with fire rod 14, and the interior side of the combustion head 4 is fixed with burner plate 13, and the combustion head 4 is far from the first connection The side of flange 2 is connected with extension 10, and one end of the extension 10 is connected with big connecting tube 9, the extension 10 it is another One end is connected with small connecting tube 11, when user needs high fire, small connecting tube 11 is socketed with connecting groove 12, and pass through rotation Button 3 adjusts the size of flame, and flame is made to scatter in extension 10, improves the intensity of a fire.

Referring to Fig. 1, the bottom of the burner body 1 is connected with knob 3, and the outer surface of the knob 3 is provided with A plurality of band can adjust the amount of the combustion gas and gaseous mixture that pass through by knob 3, be easy to use operation, the air inlet 6 Top be fixed with the second connecting flange 7, and the air inlet 6 is connected with fuel gas conduit 19, facilitates air inlet 6 and gas pipeline Connection, prevents gas leakage.

Referring to Fig. 2, one end of the air hose 20 is connected with limited block 8, and the limited block 8 is located at burner body 1 inner wall can be fixed air hose 20, and the spout 16 is fixed with baffle 17, and institute far from the side of venthole 18 The other end that baffle 17 is located at air hose 20 is stated, combustion-supporting gas can be stopped, the jet power of spout 16 is improved.

Fig. 1 and Fig. 3, the extension 10 and 4 dismantling connection of combustion head are please referred to, and the extension 10 is interior through along remote Direction from combustion head 4 is gradually successively decreased, the distance and the intensity of a fire of adjustable flame.

Working principle: the burner body is moved to outdoor first, and is connected by the second connecting flange 7 with combustion It connects, when user needs small fire, big connecting tube 9 is connect with combustion head 4, user rotates knob 3, is adjusted by knob 3 Combustion gas and combustion-supporting gas pass through number, when combustion-supporting gas reach combustion head 4 after, combustion-supporting gas is leaked out in venthole 18, with burning Gas premixing, then combustion-supporting gas is blocked at spout 16 by baffle 17, is sprayed in mixed air vessel 21 by spout 16, complete with combustion gas Full mixing, then opens ignition switch 5, so that fire rod 14 is pointed out spark into mixed air vessel 21, combustion gas is lighted, combustion head 4 flames sprayed are compressed by extension 10 and are sprayed by small connecting tube 11, improve the density of flame, user-friendly, When user needs high fire, small connecting tube 11 is socketed with connecting groove 12, and adjusts the size of flame by knob 3, made Flame scatters in extension 10, improves the intensity of a fire.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of low-oxynitride combustor, including burner body (1) and combustion head (4), it is characterised in that: the burning The outer surface of device main body (1) is provided with ignition switch (5), and the top of the burner body (1), which is run through, air inlet (6), institute The side for stating burner body (1) is connected with combustion head (4) by the first connecting flange (2), and the side of the combustion head (4) is opened Equipped with connecting groove (12), the burner body (1) is internally provided with fuel gas conduit (19), and the fuel gas conduit (19) is respectively Through burner body (1) and combustion head (4), the bosom of the fuel gas conduit (19) is horizontally arranged with air hose (20), institute The interior side of fuel gas conduit (19) is stated through having venthole (18), the side of the venthole (18) is provided with spout (16), institute It states and is provided on the outside of spout (16) mixed air vessel (21), the inner upper of the combustion head (4) is fixed by mounting base (15) Have fire rod (14), the interior side of the combustion head (4) is fixed with burner plate (13), and the combustion head (4) connects far from first The side of acting flange (2) is connected with extension (10), and one end of the extension (10) is connected with big connecting tube (9), described to prolong The other end for stretching pipe (10) is connected with small connecting tube (11).

2. a kind of low-oxynitride combustor according to claim 1, it is characterised in that: the burner body (1) Bottom be connected with knob (3), and the outer surface of the knob (3) is provided with a plurality of band.

3. a kind of low-oxynitride combustor according to claim 1, it is characterised in that: the top of the air inlet (6) End is fixed with the second connecting flange (7), and the air inlet (6) is connected with fuel gas conduit (19).

4. a kind of low-oxynitride combustor according to claim 1, it is characterised in that: the one of the air hose (20) End is connected with limited block (8), and the limited block (8) is located at the inner wall of burner body (1).

5. a kind of low-oxynitride combustor according to claim 1, it is characterised in that: the spout (16) is far from logical The side of stomata (18) is fixed with baffle (17), and the baffle (17) is located at the other end of air hose (20).

6. a kind of low-oxynitride combustor according to claim 1, it is characterised in that: the extension (10) and combustion Head (4) dismantling connection is burnt, and the internal diameter of the extension (10) gradually successively decreases along the direction far from combustion head (4).