CN211084067U - Natural gas burner is with dividing burning subassembly - Google Patents
Natural gas burner is with dividing burning subassembly Download PDFInfo
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- CN211084067U CN211084067U CN201922216638.XU CN201922216638U CN211084067U CN 211084067 U CN211084067 U CN 211084067U CN 201922216638 U CN201922216638 U CN 201922216638U CN 211084067 U CN211084067 U CN 211084067U
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Abstract
The utility model discloses a natural gas burner is with cutting apart combustion assembly, include combustion-supporting ware passageway, a combustion section of thick bamboo, cut apart nozzle and porous steady flame dish, the combustion-supporting ware passageway is installed in combustion section of thick bamboo outer wall edge, and the inboard of a combustion section of thick bamboo is equipped with cuts apart the nozzle, cuts apart the nozzle and includes first straight way, the straight way of second, return bend, bolt seat, fastening bolt, stretch into pipe and burning nozzle stub. This natural gas burner is with dividing apart combustion assembly, the combustion-supporting ware passageway provides the gas for the division nozzle in the combustion tube, it can divide into the little flame of several with a big flame originally to cut apart the nozzle, little flame heat radiating area is big, flame temperature is lower, make thermal reaction produce nitrogen oxide and descend to some extent, in addition, flame has shortened oxygen for a short time, the dwell time of gas such as nitrogen in flame, nitrogen all has obvious inhibiting action to the nitrogen oxide that thermal reaction produced nitrogen oxide and fuel combustion production, reduce nitrogen oxide's production, the intubate of installation simultaneously and porous steady flame dish easy dismounting, the convenience of overhaul has been improved.
Description
Technical Field
The utility model relates to a special combustor technical field of pitch stirring specifically is a natural gas burner is with cutting apart burning subassembly.
Background
The nitrogen oxide generating sources in the industrial kiln and boiler industry are mainly three types, namely a heating type, a fuel type and a rapid type. The high-temperature high. Fuel-type nitrogen oxides can be removed by using a fuel without nitrogen molecules, such as natural gas; increasing the residence time of the combustibles in the flame front and the reaction zone at lower oxygen concentrations reduces the production of fast nitrogen oxides. The treatment of thermal nitrogen oxide is the main direction for reducing the emission of nitrogen oxide in the industry of industrial kilns and boilers.
A large number of researches show that emission can be effectively reduced by controlling the generation source of oxynitride through the technical improvement of the combustor, the reduction of the flame combustion temperature is also a control mode, and in addition, the sufficient combustion and the control of the amount of peroxide are also important channels. However, the structure of the existing natural gas burner is still rigid, fundamental changes are not made, and the capability of well reducing the generation of oxynitride is not achieved, so that the natural gas burner still generates enough oxynitride during combustion, and meanwhile, parts are inconvenient to disassemble and assemble, and subsequent maintenance and repair are influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural gas burner is with cutting apart burning subassembly possesses the production while equipment dismouting that can effectively reduce oxynitride simple, and the problem among the prior art can be solved to the advantage of easy access.
In order to achieve the above object, the utility model provides a following technical scheme: a natural gas burner is with cutting apart burning subassembly, includes combustion-supporting ware passageway, a combustion section of thick bamboo, cuts apart nozzle and porous steady flame dish, the combustion-supporting ware passageway is installed at combustion section of thick bamboo outer wall edge, the lateral wall of combustion-supporting ware passageway is connected with the supply gas pipeline, the inner wall of combustion-supporting ware passageway connects the combustion section of thick bamboo, the inboard of combustion section of thick bamboo is equipped with cuts apart the nozzle, it includes first straight way, second straight way, return bend, bolt seat, fastening bolt, stretch into pipe and burning nozzle stub pipe to cut apart the nozzle, the inner wall of the fixed combustion section of thick bamboo of welding is connected to the one end of first straight way, the other end of first straight way connects the return bend, the one end of second straight way is connected to the return bend, the other end inner wall department of second straight way is seted up the mounting groove ring, the second straight way is connected through the mounting groove ring and is stretched into the pipe, the outer wall that stretches into the pipe contacts the bottom of fastening, the one end fixed connection who stretches into the pipe burns the nozzle stub, and the both ends of burning the nozzle stub are sealed, have seted up the venthole on the burning nozzle stub, still are fixed with fire-resistant double-screw bolt on the burning nozzle stub, and the cover is equipped with backing ring nut and lock nut on the fire-resistant double-screw bolt, and the one end contact burning nozzle stub of backing ring nut, the porous steady flame dish of the other end contact of backing ring nut, porous steady flame dish still contacts with lock nut.
Preferably, the first straight passage is communicated with the combustion-supporting device passage.
Preferably, the air outlet on the combustion short pipe is only arranged on one side facing the porous flame stabilizing disc.
Preferably, a round hole is formed in the center of the porous flame stabilizing disc, and flame leaking holes are uniformly distributed in the porous flame stabilizing disc.
Preferably, one end of the combustion cylinder is fixed with a flange and a shield through bolts, the flange is in contact with the outer wall of the second straight channel, and the shield is positioned on the outer side of the porous flame stabilizing disc.
Preferably, the split nozzles are uniformly distributed inside the combustion can.
Compared with the prior art, the beneficial effects of the utility model are as follows:
this natural gas burner is with dividing apart combustion assembly, the combustion-supporting ware passageway is installed in combustion barrel outer wall edge, the combustion-supporting ware passageway provides the gas for the division nozzle in the combustion barrel, the inboard of combustion barrel is equipped with evenly distributed's division nozzle, the effect that sets up the division nozzle is a big flame of dividing into a plurality originally, little flame heat radiating area is big, flame temperature is lower, make thermal reaction produce nitrogen oxide and descend to some extent, in addition, flame has shortened oxygen for a short time, gaseous dwell time in flame such as nitrogen, nitrogen and the like, nitrogen oxide that produces nitrogen oxide and fuel combustion to thermal reaction all has obvious inhibitory action, the production of reduction oxynitrides that can be obvious like this, stretch into pipe and porous steady flame dish easy dismounting of while installation, the convenience of overhauing has been improved greatly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the cutting nozzle of the present invention;
FIG. 3 is a schematic view of the combustion nozzle stub structure of the present invention;
fig. 4 is a schematic cross-sectional view of a second straight channel of the present invention;
fig. 5 is a schematic view of the structure of the porous flame stabilizing disc of the present invention.
In the figure: 1. a combustion-supporting device channel; 11. an air supply duct; 2. a combustion can; 3. dividing the nozzle; 31. a first straight path; 32. a second straight path; 321. installing a groove ring; 33. bending the pipe; 34. a bolt seat; 35. fastening a bolt; 36. extending the tube; 37. a combustion stub; 371. an air outlet; 372. a refractory stud; 373. a grommet nut; 374. locking the nut; 4. a porous flame stabilizing disc; 41. a circular hole; 42. a flame leaking hole; 5. a flange plate; 6. a shield.
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. 1-5, a natural gas burner is with cutting apart burning subassembly, including combustion-supporting ware passageway 1, combustion cylinder 2, cut apart nozzle 3 and porous steady flame dish 4, combustion-supporting ware passageway 1 is installed at combustion cylinder 2 outer wall edge, combustion-supporting ware passageway 1 provides the gas for cutting apart nozzle 3 in combustion cylinder 2, one end of combustion cylinder 2 is fixed with ring flange 5 and guard shield 6 through the bolt, ring flange 5 contacts with the outer wall of second straight way 32, so second straight way 32 has been fixed a position, second straight way 32 just can not take place to drop, guard shield 6 is located the outside of porous steady flame dish 4, guard shield 6 guarantees that the flame that porous steady flame dish 4 spouts is in controllable range, the lateral wall of combustion-supporting ware passageway 1 connects gas supply pipeline 11, gas supply pipeline 11 supplies gas for combustion-supporting ware passageway 1, the inner wall of combustion-supporting ware passageway 1 connects combustion cylinder 2, the inboard of combustion cylinder 2 is equipped with cuts apart nozzle 3, the arrangement of the dividing nozzle 3 is used for dividing an original large flame into a plurality of small flames, nitrogen oxides generated by thermal reaction are reduced due to the large heat dissipation area of the small flames and the low temperature of the flames, in addition, the small flames shorten the retention time of gases such as oxygen, nitrogen and the like in the flames, the nitrogen oxides generated by the thermal reaction and the nitrogen oxides generated by fuel combustion are obviously inhibited, the dividing nozzle 3 is uniformly distributed on the inner side of the combustion cylinder 2, the sprayed flames are uniform, the dividing nozzle 3 comprises a first straight channel 31, a second straight channel 32, a bent pipe 33, a bolt seat 34, a fastening bolt 35, an extending pipe 36 and a combustion short pipe 37, one end of the first straight channel 31 is welded and fixed on the inner wall of the combustion cylinder 2, the first straight channel 31 is communicated with the combustion-supporting device channel 1, namely, fuel gas in the combustion-supporting device channel 1 is uniformly distributed to the dividing nozzle 3, the other end of the first straight channel 31 is connected with the bent pipe, the elbow 33 is connected with one end of the second straight channel 32, the inner wall of the other end of the second straight channel 32 is provided with a mounting groove ring 321, the mounting groove ring 321 is used for positioning the extension pipe 36, the second straight channel 32 is connected with the extension pipe 36 through the mounting groove ring 321, the outer wall of the extension pipe 36 is contacted with the bottom end of the fastening bolt 35, the fastening bolt 35 is connected with the bolt seat 34 in a threaded fit mode, the bolt seat 34 is fixed on the outer wall of the second straight channel 32, namely the extension pipe 36 is locked by the fastening bolt 35 after being installed, one end of the extension pipe 36 is fixedly connected with the combustion short pipe 37, the combustion short pipe 37 is welded with the extension pipe 36, the combustion short pipe 37 and the extension pipe 36 are convenient to assemble and disassemble, two ends of the combustion short pipe 37 are sealed, the combustion short pipe 37 is provided with an air outlet 371, the air outlet 371 on the combustion short pipe 37 is only arranged on one side facing the porous flame stabilizing disc 4, so that the gas sprayed out, still be fixed with fire-resistant stud 372 on the burning nozzle stub 37, the cover is equipped with backing ring nut 373 and lock nut 374 on the fire-resistant stud 372, the one end contact burning nozzle stub 37 of backing ring nut 373, the other end contact porous steady flame dish 4 of backing ring nut 373, round hole 41 has been seted up in the center department of porous steady flame dish 4, evenly distributed's hourglass flame hole 42 has still been seted up on the porous steady flame dish 4, the aim at of the porous steady flame dish 4 of installation guarantees the flame effect, porous steady flame dish 4 still contacts with lock nut 374, the installation dismantlement process of porous steady flame dish 4 is comparatively simple promptly.
The natural gas burner is used for cutting apart the combustion assembly, including the combustion-supporting channel 1, the combustion tube 2, cut apart nozzle 3 and porous steady flame dish 4, the combustion-supporting channel 1 is installed at the edge of the outer wall of combustion tube 2, the combustion-supporting channel 1 provides the gas for cutting apart nozzle 3 in the combustion tube 2, one end of combustion tube 2 is fixed with flange 5 and guard shield 6 through the bolt, flange 5 contacts with the outer wall of second straight way 32, so second straight way 32 has obtained the location, cut apart nozzle 3 and will not take place to drop, the inboard of combustion tube 2 is equipped with evenly distributed cuts apart nozzle 3, the effect of setting up cut apart nozzle 3 is to divide into several little flames originally a big flame, because the heat dissipation area of little flame is big, the flame temperature is lower, make the thermal reaction produce nitrogen oxide and decline, in addition, the flame has shortened the residence time of nitrogen oxide in the flame such as oxygen, nitrogen, have obvious inhibitory action to the nitrogen oxide that the thermal reaction produced and fuel burning produces, the production of the reduction oxynitrides that can be obvious like this, gas in the combustion-supporting ware passageway 1 can be even divide for on cutting apart nozzle 3, specificly, gas in the combustion-supporting ware passageway 1 is first through first straight way 31, then the gas is through return bend 33, the gas is through second straight way 32 and stretch into pipe 36 after that, last gas gets into in burning nozzle stub 37, burning nozzle stub 37 with stretch into the pipe 36 welding together, burning nozzle stub 37 with stretch into 36 easy dismounting of pipe, venthole 371 on burning nozzle stub 37 only sets up in the one side towards porous steady flame dish 4, detachable porous steady flame dish 4 is installed to one side at burning nozzle stub 37 simultaneously, porous steady flame dish 4 guarantees the flame effect.
In summary, the following steps: this natural gas burner is with dividing apart combustion assembly, combustion-supporting passageway 1 is installed in 2 outer wall edges of a combustion section of thick bamboo, combustion-supporting passageway 1 provides the gas for the division nozzle 3 in the combustion section of thick bamboo 2, the inboard of combustion section of thick bamboo 2 is equipped with evenly distributed's division nozzle 3, the effect of setting apart nozzle 3 is with dividing into several little flame of a big flame originally, little flame heat radiating area is big, flame temperature is lower, it descends to some extent to make thermal reaction produce nitrogen oxide, in addition, flame has shortened oxygen for a short time, the dwell time of gas such as nitrogen in flame, nitrogen oxide and the nitrogen oxide that the fuel burning produced to thermal reaction all have obvious inhibitory action, the production of the reduction oxynitrides that can be obvious like this, the pipe 36 and the 4 easy dismounting of porous steady flame dish of stretching into of while installation, the convenience of maintenance has been improved greatly.
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 natural gas burner is with dividing burning subassembly, includes combustion-supporting ware passageway (1), a combustion cylinder (2), cuts apart nozzle (3) and porous steady flame dish (4), its characterized in that: the combustion-supporting device is characterized in that the combustion-supporting device channel (1) is installed at the edge of the outer wall of the combustion cylinder (2), the side wall of the combustion-supporting device channel (1) is connected with the air supply pipeline (11), the inner wall of the combustion-supporting device channel (1) is connected with the combustion cylinder (2), the inner side of the combustion cylinder (2) is provided with a partition nozzle (3), the partition nozzle (3) comprises a first straight channel (31), a second straight channel (32), an elbow pipe (33), a bolt seat (34), a fastening bolt (35), an extension pipe (36) and a combustion short pipe (37), one end of the first straight channel (31) is fixedly welded on the inner wall of the combustion cylinder (2), the other end of the first straight channel (31) is connected with the elbow pipe (33), the elbow pipe (33) is connected with one end of the second straight channel (32), the inner wall of the other end of the second straight channel (32) is provided with a mounting groove ring (321), the second straight channel (, the bottom of the outer wall contact fastening bolt (35) of pipe (36) stretches into, fastening bolt (35) are through screw-thread fit's mode connecting bolt seat (34), bolt seat (34) are fixed on the outer wall of second straight way (32), the one end fixed connection burning nozzle stub (37) of pipe (36) stretches into, the both ends of burning nozzle stub (37) are sealed, venthole (371) have been seted up on burning nozzle stub (37), still be fixed with on burning nozzle stub (37) fire-resistant stud (372), the cover is equipped with backing ring nut (373) and lock nut (374) on fire-resistant stud (372), the one end contact burning nozzle stub (37) of backing ring nut (373), the porous flame stabilizing dish (4) of other end contact of backing ring nut (373), porous flame stabilizing dish (4) still contact with lock nut (374).
2. The split combustion assembly for a natural gas burner of claim 1, wherein: the first straight channel (31) is communicated with the combustion-supporting device channel (1).
3. The split combustion assembly for a natural gas burner of claim 1, wherein: and the air outlet hole (371) on the combustion short pipe (37) is only arranged on one side facing the porous flame stabilizing disc (4).
4. The split combustion assembly for a natural gas burner of claim 1, wherein: the center of the porous flame stabilizing disc (4) is provided with a round hole (41), and the porous flame stabilizing disc (4) is also provided with flame leaking holes (42) which are uniformly distributed.
5. The split combustion assembly for a natural gas burner of claim 1, wherein: one end of the combustion cylinder (2) is fixedly provided with a flange plate (5) and a shield (6) through bolts, the flange plate (5) is in contact with the outer wall of the second straight channel (32), and the shield (6) is positioned on the outer side of the porous flame stabilizing disc (4).
6. The split combustion assembly for a natural gas burner of claim 1, wherein: the dividing nozzles (3) are uniformly distributed on the inner side of the combustion cylinder (2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922152869 | 2019-12-03 | ||
| CN2019221528699 | 2019-12-03 |
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| Publication Number | Publication Date |
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| CN211084067U true CN211084067U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922216638.XU Active CN211084067U (en) | 2019-12-03 | 2019-12-11 | Natural gas burner is with dividing burning subassembly |
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| CN (1) | CN211084067U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111906503A (en) * | 2020-08-12 | 2020-11-10 | 南京国祺新能源设备有限公司 | Preparation process of side wall type nozzle |
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2019
- 2019-12-11 CN CN201922216638.XU patent/CN211084067U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111906503A (en) * | 2020-08-12 | 2020-11-10 | 南京国祺新能源设备有限公司 | Preparation process of side wall type nozzle |
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