CN208703922U - A kind of pneumatic low nitrogen L-type burner of multistage combustion - Google Patents

Abstract

The utility model provides multistage combustion pneumatically low nitrogen L-type burner, it is characterized by comprising air motor component (64), combustor component (71), rotary blade component (55), silicon carbide casings (56), described combustor component (71) one end is provided with silicon carbide casing (56), it is internally provided with rotary blade component (55), the other end is provided with air motor component (64).This burner responds national green environmental protection, the low energy-efficient environmental policy of nitrogen, and structure novel, easy to use, low in cost, effect is unique, has broad application prospects.

Description

A kind of pneumatic low nitrogen L-type burner of multistage combustion

Technical field

The utility model relates to burner arts, the pneumatic low nitrogen L-type burner of specifically a kind of multistage combustion.

Background technique

The 5th meeting premier Li Keqiang of 12nd people's congress proposes " blue sky defended war ": " firmly accomplishing fluently Blue sky defended war, sulfur dioxide, discharged nitrous oxides will decline 3%, under key area particulate matter PM2.5 concentration is obvious respectively Drop."

Meeting premier Li Keqiang of 13 National People's Congress points out, this year COD, ammonia nitrogen discharge amount will decline 2%, key area fine particle (PM2.5) concentration will continue to decline, and be intent on continuing to strengthen blue sky defended war achievement, push high Industry minimum discharge transformation is polluted, emission standard is improved, stringent environmental law enforcement, implementation time limit is up to standard, we will go hand in hand It is dynamic, build it is sky blue, green, beauty China that water is clear.

Currently marketed burner mainly obtains eddy flow combustion air using static eddy flow sheet mode, so with combustion gas point Combustion reaction occurs for fire, and the eddy flow effect which generates flame is not obvious, and the rigidity of flame substantially reduces, furthermore pyrocarbon Local temperature is excessively high inside SiClx, causes the generation of nitrogen oxides to a certain degree.

Summary of the invention

To solve the above-mentioned problems, the utility model provides that a kind of structure novel, easy to use, cost is relatively low, and product reaches To high velocity burner combustion efficiency；Efficiency of energy utilization, the environmentally friendly multistage that discharged nitrous oxides are up to state standards Burn pneumatic low nitrogen L-type burner.

The technical solution of the present invention is as follows: a kind of pneumatic low nitrogen L-type burner of multistage combustion, it is characterised in that: including pneumatic Motor part, combustor component, rotary blade component, silicon carbide casing, described combustor component one end are provided with silicon carbide set Pipe, is internally provided with rotary blade component, the other end is provided with air motor component；

The combustor component by seat under outer housing, spray ring card slot, spray ring, spray ring nozzle, fuel gas inlet, combustion-supporting air hose, The combustion-supporting air hose seat of honour, plug ignition electrode, ignitor mounting hole, flange one, flange two, air hose snap ring are constituted, the combustion Burner outer housing one end is provided with flange two, and the other end is provided with flange one, and screw hole one is provided on the flange two, described outer Upper part of the housing is provided with seat under combustion-supporting air hose, is respectively arranged with ignitor installation under the combustion-supporting air hose on the two sidewalls of seat Hole is provided with air hose snap ring under the combustion-supporting air hose, is provided with screw hole two at the top of the air hose snap ring, lower part is provided at the top of seat Spray ring card slot, top are provided with the combustion-supporting air hose seat of honour；It is provided with spray ring in the spray ring card slot, spray ring spray is provided on the inside of spray ring Mouth, outside are provided with fuel gas inlet；The combustion-supporting air hose seat of honour bottom is provided with screw hole three, and top is provided with combustion-supporting wind inlet； Plug ignition electrode is provided in the ignitor mounting hole；It is recessed that the flange one is internally provided with the installation of silicon carbide casing Slot, two installation groove of snap ring are provided with screw hole eight on four angles, and the provided circumferentially about of two installation groove of snap ring has screw hole Four；

The rotary blade component is made of centre bore, blade one, blade turntable, during blade turntable center is provided with Heart hole, the centre bore surrounding are provided with screw hole five, and outer is provided with blade one；

Silicon carbide casing one end is provided with snap ring one and snap ring two, is provided on outer wall from sucker, the snap ring two On be provided with screw hole seven；

Air motor component: including air motor cabinet parts, pneumatic wheel component, gather qi together component,

The air motor cabinet parts include: air motor casing one, air motor casing two, air intlet, described Air intlet is made of air intlet one and the combination of air intlet two；The bottom centre of the air motor casing one is provided with spiral shell Pit one, it is provided circumferentially about have threaded hole two, inside center is provided with cylinder card slot, is provided with square card in the cylinder card slot Slot；It is provided with air intlet one on side wall outside, is internally provided with bearing snap ring one；Seal snap ring is provided in top circumference, The threaded hole six communicated with threaded hole two is provided on the seal snap ring；The bottom centre of the air motor casing two is arranged Have pneumatic capstan member mounting holes one, it is provided circumferentially about have threaded hole three, air intlet two, internal setting are provided on side wall outside There is bearing snap ring two, the threaded hole five matched with threaded hole six is provided on the bearing snap ring two；

The pneumatic wheel component includes: pneumatic capstan, pneumatic wheel shaft one, pneumatic wheel shaft two, big bearing one, big bearing two, institute The pneumatic setting of wheel shaft one is stated in pneumatic capstan front end, the pneumatic wheel shaft two is arranged in pneumatic capstan rear end, the pneumatic wheel shaft one Portion is provided with inner hole, and outside is provided with big bearing one, and the pneumatic wheel shaft two is provided centrally with gather qi together member mounting holes two, described Two surrounding of mounting hole is provided with threaded hole four, and outside is provided with big bearing two；

The gather qi together component includes: gas gathering ring, central tube, small bearing one, small bearing two, and the central tube front end is provided with Four through-holes, four through-hole fronts are provided with bearing position one on the central tube, and rear portion is provided with bearing position two；Inside four through-hole Front end is provided with block face, and outside is provided with gas gathering ring, is provided with fan-shaped gas inlet mouth in the ring body of the gas gathering ring, it is described it is fan-shaped into Port bottom front is provided with gas gathering ring bar, is vertically installed at the top of the gas gathering ring bar and extends to gathering on the outside of gas gathering ring Compression ring square column, gas gathering ring square column top end part are provided with screw hole six；Small bearing one, bearing position are provided on the bearing position one Small bearing two is provided on two；The gas gathering ring bar and gas gathering ring square column are arranged by four through-holes to inside central tube, and with Block face matches fixation, and the top end part of the gas gathering ring square column is concordant with central tube front end face；

After the gather qi together component assembling, gas gathering ring, small bearing one, small bearing two are connect by inner hole sleeve in pneumatic wheel component Inside, the central tube front end face are arranged in the cylinder card slot of one inside center of air motor casing, the gas gathering ring square column Top end part is arranged in the rectangular card slot of one inside center of air motor casing, top screw hole six and air motor casing one The threaded hole one of bottom centre matches；The central tube rear end passes through mounting hole two and mounting hole one extends to air motor machine Outside shell two；The big bearing one is matched with bearing snap ring one, and the big bearing two is matched with bearing snap ring two；

The pneumatic capstan is made of centre rotational axis, blade two, circular baffle plate, and the blade two is uniform centrally disposed Outside rotary shaft, the centrally disposed rotating shaft terminal of circular baffle plate.

The quantity of the blade one is 2~6.

The diameter from sucker is 0.2~0.5cm.

The diameter of the spray ring nozzle is 0.1~0.3cm.

Under the combustion-supporting air hose in the ignitor mounting hole of seat two sides plug ignition electrode 43 spacing be 0.2~ 0.5cm。

The quantity of the blade two is 10~12.

The central angle of fan-shaped gas inlet mouth is 60 in the gas gathering ring ring body.

This burner is set as air generation plants, and using compressed air as power source, clean and effective pushes pneumatic capstan The compressed air of rotation under the gas gathering ring effect at pneumatic capstan center, is exported after using its pressure potential by central tube, and High-temperature carborundum inside pipe casing is injected as combustion air；To reduce the localized hyperthermia of silicon carbide casing, to inhibit nitrogen significantly The generation of compound；

Combustion gas high speed ejection under the effect of combustion gas spray ring carries out endless for the first time with the combustion air that combustion-supporting wind inlet enters Full mixing, and under the igniting of ignitor, imperfect combustion is carried out, imperfect combustion flue gas passes through the rotation that pneumatic capstan drives Rotary impeller enters silicon carbide casing；The rotary blade that pneumatic capstan drives respectively burner casing center and silicon carbide casing front end into Row rotational agitation.

Blade at burner casing center rotates, and stirs primary imperfect combustion flue gas and fuel mixed at high speed again, It makes sufficient preparation to burn again into silicon carbide casing；

Blade in silicon carbide casing front end rotates, and stirs clean-burning flame herein, greatly increases flame rigidity, by In the silicon carbide casing that certain amount is arranged in the conical surface of silicon carbide casing and is attached to inclination angle from sucker, high temperature and high speed herein is flowed through Flue gas, from a certain amount of inner flue gas of the stove of sucker self-priming, carries out multistage combustion, one side of inner flue gas of the stove of self-priming by silicon carbide casing Multistage combustion is realized in face, is on the other hand reduced silicon carbide inside pipe casing localized hyperthermia, is realized low nitrogen；Most important is to cause furnace significantly Interior disturbance increases the heat convection in furnace, the to a certain degree temperature difference in reduction furnace, realizes energy conservation.

The environmental protection of the utility model response national green, the low energy-efficient environmental policy of nitrogen in summary, and structure novel, make With convenient, low in cost, effect is unique, have broad application prospects.

Detailed description of the invention

Fig. 1 is the utility model multistage combustion pneumatically low nitrogen L-type burner structure perspective view of the explosion one；

Fig. 2 is the utility model multistage combustion pneumatically low nitrogen L-type burner structure perspective view of the explosion two；

Fig. 3 is the utility model multistage combustion pneumatically low nitrogen L-type burner overall appearance structural upright schematic diagram；

Fig. 4 is the utility model multistage combustion pneumatically low nitrogen L-type burner overall appearance structural plan schematic diagram；

Fig. 5 is cross-sectional view of the Fig. 4 in the direction A-A；

Fig. 6 is cross-sectional view of the Fig. 4 in the direction B-B；

Fig. 7 is cross-sectional view of the Fig. 4 in the direction C-C；

Fig. 8 is the pneumatic wheel component surface structure stereoscopic schematic diagram of the utility model；

Fig. 9 is the utility model air motor cabinet parts surface structure stereoscopic schematic diagram；

Figure 10 is the utility model gather qi together component surface structure stereoscopic schematic diagram；

Figure 11 is the utility model gas gathering ring surface structure stereoscopic schematic diagram.

Specific embodiment

1-11 and specific embodiment are described in further detail the utility model with reference to the accompanying drawing:

The pneumatic low nitrogen L-type burner of a kind of multistage combustion, it is characterised in that: including air motor component 64, combustor portion There are silicon carbide casing in part 71, rotary blade component 55, silicon carbide casing 56, described 71 one end of combustor component by screw connection 56, there is rotary blade component 55 in inside by screw connection, and the other end has air motor component 64 by screw connection.

The combustor component 71 by outer housing 33, spray ring card slot 44, spray ring 48, spray ring nozzle 49, fuel gas inlet 47, help Fire seat 39, the combustion-supporting air hose seat of honour 50, plug ignition electrode 43, ignitor mounting hole 40, flange 1, flange two under air hose 31, air hose snap ring 45 is constituted, and described 33 one end of burner housing body is welded with flange 2 31, and the other end is welded with flange 1, Screw hole 1 is drilled on the flange 2 31,33 top of outer housing is welded with seat 39 under combustion-supporting air hose, the combustion-supporting air hose Ignitor mounting hole 40 has been poured on the two sidewalls of lower seat 39 respectively, has poured air hose card at the top of seat 39 under the combustion-supporting air hose Ring 45 is drilled with screw hole 2 46 at the top of the air hose snap ring 45, lower part has poured spray ring card slot 44, clamping in the spray ring card slot 44 There is spray ring 48, the spray ring nozzle 49 that diameter is 0.2cm is drilled on the inside of spray ring 48, outside is welded with fuel gas inlet 47；It is described combustion-supporting 50 bottom of the air hose seat of honour is drilled with screw hole 3 51, and top has poured combustion-supporting wind inlet 52；In the ignitor mounting hole 40 respectively An ignitor 43 is installed by spark plug external screw thread 42；It is recessed that the installation of silicon carbide casing has been poured inside the flange 1 Slot 38, two installation groove 37 of snap ring are drilled with screw hole 8 34 on four angles, are drilled with spiral shell on the circumference of two installation groove 37 of snap ring Hole 4 36.

The rotary blade component 55 is made of centre bore 73, blade 1, blade turntable 53, in the blade turntable 53 Centre is drilled with centre bore 73, and 73 surrounding of centre bore is drilled with screw hole 5 54, and outer is welded with 4 blades 1.

Described 56 one end of silicon carbide casing is welded with snap ring 1, is socketed with snap ring 2 58, and being drilled with diameter on outer wall is 0.4cm's is drilled with screw hole 7 59 from sucker 57, the snap ring 2 58.

The air motor component 64 includes air motor cabinet parts 61, pneumatic wheel component 62, gather qi together component 63,

The air motor cabinet parts 61 include air motor casing 1, air motor casing 2 24, air intlet 66, the air intlet 66 is made of air intlet 1 and the combination of air intlet 2 30；The bottom of the air motor casing 1 Portion center is drilled with threaded hole 1, is drilled with threaded hole 23 on circumference, and inside center has poured cylinder card slot 4, the cylinder card slot 4 Rectangular card slot 5 is inside poured；Air intlet 1 is poured on side wall outside, inside has poured bearing snap ring 1；Top circumference On poured seal snap ring 6, the threaded hole 6 74 communicated with threaded hole 23 is drilled on the seal snap ring 6；The air motor The bottom centre of casing 2 24 has poured pneumatic 62 mounting hole 1 of wheel component, has been drilled with threaded hole 3 60 on circumference, outside side wall On poured air intlet 2 30, inside has poured bearing snap ring 2 29, be drilled on the bearing snap ring 2 29 and threaded hole six 74 threaded holes 5 76 matched；

The pneumatic wheel component 62 includes pneumatic capstan 23, pneumatic wheel shaft 1, pneumatic wheel shaft 2 25, big bearing 1, big axis 2 28 are held, the pneumatic wheel shaft 1 is cast in 23 front end of pneumatic capstan, and the pneumatic wheel shaft 2 25 is cast in 23 rear end of pneumatic capstan, Inner hole 21 is poured inside the pneumatic wheel shaft 1, outside is socketed with big bearing 1, and pneumatic 2 25 center of wheel shaft pours There is the mounting hole 2 77 of gather qi together component 63,2 77 surrounding of mounting hole is drilled with threaded hole 4 26, and outside is socketed with big bearing two 28；

The pneumatic capstan 23 is made of centre rotational axis 65, blade 2 69, circular baffle plate 70, and 10 blades 2 69 are equal Outside even centrally disposed rotary shaft 65, the circular baffle plate 70 is welded on 65 both ends of centre rotational axis；

The gather qi together component 63 includes gas gathering ring 15, central tube 27, small bearing 1, small bearing 2 20, the central tube 27 front ends have poured four through-holes 18, and four through-holes, 18 front has poured bearing position 1 on the central tube 27, and rear portion has poured axis Hold position 2 19；Four through-holes, the 18 interior forward end hole wall is block face 17, and outside is connected with gas gathering ring 15, the ring of the gas gathering ring 15 The fan-shaped gas inlet mouth 14 that central angle is 60 is poured on body, 14 bottom front of fan-shaped gas inlet mouth has poured gas gathering ring bar 13,13 top of gas gathering ring bar vertically pours the gas gathering ring square column 12 for extending to 15 outside of gas gathering ring, the gas gathering ring 12 top end part of square column is drilled with screw hole 6 11；It is socketed with small bearing 1 on the bearing position 1, is socketed on bearing position 2 19 Small bearing 2 20；The gas gathering ring bar 13 and gas gathering ring square column 12 are connected to inside central tube 27 by four through-holes 18, and Gas gathering ring bar 13 matches fixation with block face 17, and the top end part of the gas gathering ring square column 12 is concordant with 27 front end face of central tube；

After the gather qi together component 63 assembles, gas gathering ring 15, small bearing 1, small bearing 2 20 are socketed in by inner hole 21 Inside pneumatic wheel component 62,27 front end face of central tube is connected to the cylinder card slot 4 of one 8 inside center of air motor casing Interior, 12 top end part of gas gathering ring square column is connected in the rectangular card slot 5 of one 8 inside center of air motor casing, top spiral shell Hole 6 11 matches fixation by screw with the threaded hole 1 of the bottom centre of air motor casing 1；After the central tube 27 End extends to outside air motor casing 2 24 across mounting hole 2 77 and mounting hole 1；The big bearing 1 and bearing card Ring 1 socket-connects cooperation, and the big bearing 2 28 is matched with the socket of bearing snap ring 2 29.

The screw hole 1 on threaded hole 3 60 and flange 2 31 on the lower circumference of above-mentioned air motor casing 2 24 is logical It crosses screw and matches fixation, the screw hole 5 54 on the blade turntable 53 and the threaded hole 4 26 on the pneumatic wheel shaft 2 25 are logical It crosses screw and matches fixation, the central tube 27 is matched with the mounting hole 2 77 at pneumatic 2 25 center of wheel shaft, the combustion air The screw hole 3 51 of 50 bottom of the pipe seat of honour matches fixation, the silicon carbide by screw with the screw hole 2 46 at 45 top of air hose snap ring Casing installation groove 38 is matched with snap ring 1, on the screw hole 4 36 in two installation groove 37 of snap ring and snap ring 2 26 Screw hole 7 59 fixation is matched by screw.

The spacing of plug ignition electrode 43 is in 39 two sides ignitor mounting hole 40 of seat under the combustion-supporting air hose 0.3cm。

The application method of the utility model:

1: compressed air enters inside air motor case member 61 from air intlet 66, and enters pneumatic capstan 23, then pushes away Driving wheel axis 2 25 of taking offence rotation, then impeller turntable 53 rotates；

2: the compressed air for pushing pneumatic capstan 23 to rotate using after its pressure potential, lack of gas by fan-shaped gas inlet mouth 14 into Enter to gather ring 15, and gather four through-holes 18 at 15 center of ring by being arranged in and export to central tube 27, is finally penetrated as combustion air Enter 56 center of silicon carbide casing, reduce its localized hyperthermia, nitride is inhibited to generate；

3: the combustion gas combustion air that high speed ejection and combustion-supporting wind inlet 52 enter under the effect of spray ring 48 carries out for the first time not It is thoroughly mixed, and under the igniting of plug ignition electrode 43, carries out imperfect combustion, imperfect combustion flue gas is by pneumatic The agitation for the impeller turntable 53 that wheel 23 drives enters silicon carbide casing 56；The impeller turntable 53 that pneumatic capstan 23 drives is respectively in shell 33 center of body and 56 front end of silicon carbide casing carry out rotational agitation.

Blade 1 at 33 center of outer housing rotates, and the primary imperfect combustion flue gas of agitation mixes at a high speed again with fuel It closes, makes sufficient preparation to burn again into silicon carbide casing 56；

Blade 1 in 56 front end of silicon carbide casing rotates, and stirs clean-burning flame herein, greatly increases flame Rigidity, due to the conical surface of silicon carbide casing 56 be arranged certain amount and subsidiary inclination angle from sucker 57, the high temperature flowed through herein is high Fast flue gas by carrying out multistage combustion from a certain amount of inner flue gas of the stove of 57 self-priming of sucker, on the one hand realize by the inner flue gas of the stove of self-priming On the other hand multistage combustion reduces by 56 inside localized hyperthermia of silicon carbide casing, realizes low nitrogen；Most important is to cause to disturb in furnace significantly It is dynamic, increase the heat convection in furnace, the to a certain degree temperature difference in reduction furnace, realizes energy conservation.

The preferable specific embodiment of the above, only the utility model, but scope of protection of the utility model not office It is limited to this, technical solution according to the present utility model and its inventive concept are subject to equivalent substitution or change, should all cover in this reality Within novel protection scope.

Claims (7)

1. a kind of pneumatic low nitrogen L-type burner of multistage combustion, it is characterised in that: including air motor component (64), combustor portion Part (71), rotary blade component (55), silicon carbide casing (56), described combustor component (71) one end are provided with silicon carbide casing (56), it is internally provided with rotary blade component (55), the other end is provided with air motor component (64)；

The combustor component (71) by outer housing (33), spray ring card slot (44), spray ring (48), spray ring nozzle (49), combustion gas into Seat (39), the combustion-supporting air hose seat of honour (50), plug ignition electrode (43), ignitor mounting hole under mouth (47), combustion-supporting air hose (40), flange one (35), flange two (31), air hose snap ring (45) are constituted, and described burner housing body (33) one end is provided with method Blue two (31), the other end are provided with flange one (35), screw hole one (32), the outer housing are provided on the flange two (31) (33) top is provided with seat (39) under combustion-supporting air hose, is respectively arranged with ignition power on the two sidewalls of seat (39) under the combustion-supporting air hose Pole mounting hole (40) is provided with air hose snap ring (45) under the combustion-supporting air hose at the top of seat (39), at the top of the air hose snap ring (45) It is provided with screw hole two (46), lower part is provided with spray ring card slot (44), top is provided with the combustion-supporting air hose seat of honour (50)；The spray ring card It is provided with spray ring (48), is provided with spray ring nozzle (49) on the inside of spray ring (48), outside is provided with fuel gas inlet (47) in slot (44)； The combustion-supporting air hose seat of honour (50) bottom is provided with screw hole three (51), and top is provided with combustion-supporting wind inlet (52)；The ignition power Plug ignition electrode (43) are provided in pole mounting hole (40)；The flange one (35) is internally provided with the installation of silicon carbide casing Groove (38), two installation groove of snap ring (37) are provided with screw hole eight (34) on four angles, two installation groove of snap ring (37) It is provided circumferentially about to have screw hole four (36)；

The rotary blade component (55) is made of centre bore (73), blade one (72), blade turntable (53), the blade turntable (53) center is provided with centre bore (73), and centre bore (73) surrounding is provided with screw hole five (54), and outer is provided with blade one (72)；

Described silicon carbide casing (56) one end is provided with snap ring one (67) and snap ring two (58), is provided on outer wall from sucker (57), screw hole seven (59) is provided on the snap ring two (58)；

Air motor component (64): including air motor cabinet parts (61), pneumatic wheel component (62), gather qi together component (63),

The air motor cabinet parts (61) include: air motor casing one (8), air motor casing two (24), air into Mouth (66), the air intlet (66) are made of air intlet one (1) and air intlet two (30) combination；The air motor machine The bottom centre of shell one (8) be provided with threaded hole one (2), it is provided circumferentially about have threaded hole two (3), inside center is provided with cylinder Card slot (4), the cylinder card slot (4) is interior to be provided with rectangular card slot (5)；Air intlet one (1), inside are provided on side wall outside It is provided with bearing snap ring one (7)；It is provided with seal snap ring (6), is provided on the seal snap ring (6) and screw thread in top circumference The threaded hole six (74) that hole two (3) communicates；The bottom centre of the air motor casing two (24) is provided with pneumatic wheel component (62) mounting hole one (75), it is provided circumferentially about have threaded hole three (60), air intlet two (30), internal is provided on side wall outside It is provided with bearing snap ring two (29), the threaded hole five matched with threaded hole six (74) is provided on the bearing snap ring two (29) (76)；

The pneumatic wheel component (62) includes: pneumatic capstan (23), pneumatic wheel shaft one (22), pneumatic wheel shaft two (25), big bearing one (9), big bearing two (28), the pneumatic wheel shaft one (22) are arranged in pneumatic capstan (23) front end, and the pneumatic wheel shaft two (25) sets It sets in pneumatic capstan (23) rear end, the pneumatic wheel shaft one (22) is internally provided with inner hole (21), and outside is provided with big bearing one (9), the pneumatic wheel shaft two (25) is provided centrally with gather qi together component (63) mounting hole two (77), mounting hole two (77) surrounding It is provided with threaded hole four (26), outside is provided with big bearing two (28)；

The gather qi together component (63) includes: gas gathering ring (15), central tube (27), small bearing one (10), small bearing two (20), described Central tube (27) front end is provided with four through-holes (18), and four through-holes (18) front is provided with bearing position one on the central tube (27) (16), rear portion is provided with bearing position two (19)；Four through-hole (18) interior forward end is provided with block face (17), and outside is provided with poly- Compression ring (15) is provided with fan-shaped gas inlet mouth (14) in the ring body of the gas gathering ring (15), before fan-shaped gas inlet mouth (14) bottom End is provided with gas gathering ring bar (13), is vertically installed with and is extended on the outside of gas gathering ring (15) at the top of the gas gathering ring bar (13) Gas gathering ring square column (12), gas gathering ring square column (12) top end part are provided with screw hole six (11)；It is set on the bearing position one (16) It is equipped with small bearing one (10), small bearing two (20) is provided on bearing position two (19)；The gas gathering ring bar (13) and gas gathering ring Square column (12) is internal to central tube (27) by four through-holes (18) setting, and matches fixation, the gas gathering ring with block face (17) The top end part of square column (12) is concordant with central tube (27) front end face；

After gather qi together component (63) assembling, gas gathering ring (15), small bearing one (10), small bearing two (20) pass through inner hole (21) It is internal to be socketed in pneumatic wheel component (62), central tube (27) front end face is arranged in air motor casing one (8) inside center Cylinder card slot (4) in, gas gathering ring square column (12) top end part is arranged in the rectangular of air motor casing one (8) inside center In card slot (5), top screw hole six (11) is matched with the threaded hole one (2) of the bottom centre of air motor casing one (8)；Institute It states central tube (27) rear end and extends to air motor casing two (24) outside across mounting hole two (77) and mounting hole one (75)；Institute It states big bearing one (9) to match with bearing snap ring one (7), the big bearing two (28) matches with bearing snap ring two (29)；

The pneumatic capstan (23) is made of centre rotational axis (65), blade two (69), circular baffle plate (70), the blade two (69) Uniform centrally disposed rotary shaft (65) is external, the circular baffle plate (70) centrally disposed rotary shaft (65) both ends.

2. burner according to claim 1, it is characterised in that: the quantity of the blade one (72) is 2~6.

3. burner according to claim 1, it is characterised in that: the diameter from sucker (57) is 0.2~0.5cm.

4. burner according to claim 1, it is characterised in that: the diameter of the spray ring nozzle (49) be 0.1~ 0.3cm。

5. burner according to claim 1, it is characterised in that: seat (39) two sides ignitor is pacified under the combustion-supporting air hose The spacing for filling hole (40) interior plug ignition electrode (43) is 0.2~0.5cm.

6. burner according to claim 1, it is characterised in that: the quantity of the blade two (69) is 10~12.

7. burner according to claim 1, it is characterised in that: fan-shaped gas inlet mouth (14) in gas gathering ring (15) ring body Central angle be 60.