CN211650232U - Burner for industrial gas - Google Patents
Burner for industrial gas Download PDFInfo
- Publication number
- CN211650232U CN211650232U CN202020140624.4U CN202020140624U CN211650232U CN 211650232 U CN211650232 U CN 211650232U CN 202020140624 U CN202020140624 U CN 202020140624U CN 211650232 U CN211650232 U CN 211650232U
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- air
- fuel gas
- pipeline
- air duct
- outlet
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Abstract
The utility model discloses a combustor for industrial gas, including fuel gas pipeline, first air duct and the second air duct of coaxial setting, first air duct and second air duct cover in proper order and locate the outside of fuel gas pipeline, the right-hand member of first air duct and second air duct is opened respectively along circumference evenly distributed's first air outlet and second air outlet, the end of second air outlet is equipped with the premix chamber, the terminal outer wall cover of premix chamber is equipped with left end open-ended mixing tube, mixing tube conduction connection has the combustion chamber, the utility model discloses through the controllable gas mixing ratio of the setting of first air outlet and second air outlet quantity, avoid the waste of fuel gas, premix chamber and mixing tube have prolonged the flow path of mixing gas, make fuel gas and combustion-supporting gas fully mixed burning, have reduced nitrogen oxide's production, and the air pollution is reduced.
Description
Technical Field
The utility model relates to a combustor technical field specifically is a combustor for industrial gas.
Background
In the industrial production process, the application that utilizes combustible gas burning to provide heat is more, and industry combustible gas pressure is big, and concentration is high, just can burn after must fully mixing with the air, and current combustor, the combustion air pipeline of accessible difference and fuel gas mix and burn, but the difficult control of the proportion of combustor and air, and the mixing time short causes the burning insufficient easily, produces a large amount of nitrogen oxides, causes the pollution to the air.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a combustor for industrial gas 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 combustor for industrial gas, fuel gas pipeline, first air duct and second air duct including coaxial setting, fuel gas pipeline's outside is located to first air duct and second air duct cover in proper order, fuel gas pipeline's right-hand member is equipped with the fuel gas export, first air duct's right-hand member is opened has along circumference evenly distributed's first air outlet, second air duct's right-hand member is opened has along circumference evenly distributed's second air outlet, second air outlet's end is equipped with mixes the chamber in advance, mix the terminal outer wall cover of chamber in advance and be equipped with left end open-ended hybrid tube, hybrid tube turn-on connection has the combustion chamber.
Preferably, the left end of the fuel gas pipeline is provided with a fuel gas outlet, and the outer walls of the left sides of the first air pipeline and the second air pipeline are sequentially provided with a first air inlet and a second air inlet.
Preferably, annular passages are arranged between the first air pipeline and the fuel gas pipeline and between the first air pipeline and the second air pipeline.
Preferably, the fuel gas outlet is provided with a fuel gas spray nozzle.
Preferably, the number of the first air outlets is at least 8 and the number of the second air outlets is at least 10.
Preferably, the fuel gas outlet, the first air outlet and the second air outlet are located in the premixing chamber.
Compared with the prior art, the beneficial effects of the utility model are that: this kind of combustor for industrial gas, first air outlet and second air outlet annular distribution are in first air channel and second air channel's end, through the mixing proportion of the steerable first air fluid of setting up of quantity and second air fluid and fuel gas, avoid the waste of fuel gas, be equipped with simultaneously at gas outlet end and mix room and hybrid tube in advance, the flow path of mist has been prolonged, make fuel gas and combustion-supporting gas intensive mixing, the combustion effect is good, nitrogen oxide's production has greatly been reduced, air pollution is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side cross-sectional view of the fluid conduits of the present invention;
in the figure: 1 fuel gas inlet, 2 fuel gas pipeline, 21 fuel gas outlet, 3 first air pipeline, 31 first air outlet, 4 first air inlet, 5 second air pipeline, 51 second air outlet, 6 second air inlet, 7 premixing chamber, 8 mixing pipeline and 9 combustion chamber.
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. 1-2, the present invention provides a technical solution: the utility model provides a combustor for industrial gas, includes fuel gas pipeline 2, first air duct 3 and the second air duct 5 of coaxial setting, the outside of fuel gas pipeline 2 is located to first air duct 3 and the cover in proper order of second air duct 5, all be equipped with annular channel between first air duct 3 and the fuel gas pipeline 2, between first air duct 3 and the second air duct 5, annular channel is used for carrying the air of same race or different race, the left end of fuel gas pipeline 2 is equipped with fuel gas inlet 1, be equipped with first air inlet 4 and second air inlet 6 on the left side outer wall of first air duct 3 and second air duct 5 in proper order, fuel gas inlet 1, first air inlet 4 and second air inlet 6 link to each other with outside gas pipeline, the right-hand member of fuel gas pipeline 2 is equipped with fuel gas outlet 21, fuel gas shower nozzle is installed to fuel gas outlet 21, the gas nozzle can adjust the flow rate of the sprayed fuel gas, the right end of the first air pipeline 3 is provided with first air outlets 31 which are uniformly distributed along the circumference, the right end of the second air pipeline 5 is provided with second air outlets 51 which are uniformly distributed along the circumference, the number of the first air outlets 31 is at least 8, the number of the second air outlets 51 is at least 10, the mixing ratio of the fuel gas and the air can be adjusted through the number of the first air outlets 31 and the second air outlets 51, the outlet design of the first air outlets 31 and the second air outlets 51 enables the air flow cross section at the outlet to be reduced, the air flow rate is increased when the air is sprayed out intensively, the tail end of the second air outlets 51 is provided with a premixing chamber 7, the fuel gas outlet 21, the first air outlets 31 and the second air outlets 51 are all positioned in the premixing chamber 7, the sprayed first air fluid flows rightwards after being mixed with the fuel gas in the premixing chamber 7 to be mixed with the second air fluid, the outer wall of the tail end of the premixing chamber 7 is sleeved with a mixing pipeline 8 with an opening at the left end, the mixing pipeline 8 is connected with a combustion chamber 9 in a conduction mode, premixed gas flows to an outlet at the left end of the mixing pipeline 8 through the mixing pipeline 8, and then the premixed gas enters the combustion chamber 9 along a channel of the combustion chamber 9 to be sufficiently combusted.
The working principle is as follows: firstly, fuel gas is led in through a fuel gas inlet 1, combustion-supporting first air fluid is led in through a first air inlet 4, the fuel gas is sprayed out through a fuel gas spray head at a fuel gas outlet 21, the first air fluid flows rightwards to the first air outlet, the fuel gas and the first air fluid are mixed at the outlet, combustion-supporting second air fluid is led in to a second air inlet 6, each gas fluid is preliminarily mixed in a premixing chamber 7 and flows rightwards to a mixing pipeline 8, then the gas fluids flow into a combustion chamber along the mixing pipeline 8 and a pipeline of the combustion chamber 9 to be fully mixed and uniformly combusted, and the emission of nitrogen oxides generated due to insufficient combustion is reduced.
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 combustor for industrial gas, includes fuel gas pipeline (2), first air conduit (3) and second air conduit (5) of coaxial setting, its characterized in that: first air duct (3) and second air duct (5) overlap in proper order and locate the outside of fuel gas pipeline (2), the right-hand member of fuel gas pipeline (2) is equipped with fuel gas outlet (21), the right-hand member of first air duct (3) is opened has along circumference evenly distributed's first air outlet (31), the right-hand member of second air duct (5) is opened has along circumference evenly distributed's second air outlet (51), the end of second air outlet (51) is equipped with mixes room (7) in advance, the terminal outer wall cover of mixing room (7) is equipped with left end open-ended hybrid tube (8), hybrid tube (8) turn-on connection has combustion chamber (9).
2. A burner for industrial gas according to claim 1, wherein: the left end of fuel gas pipeline (2) is equipped with fuel gas export (21), be equipped with first air inlet (4) and second air inlet (6) on the left side outer wall of first air duct (3) and second air duct (5) in proper order.
3. A burner for industrial gas according to claim 1, wherein: annular channels are arranged between the first air pipeline (3) and the fuel gas pipeline (2) and between the first air pipeline (3) and the second air pipeline (5).
4. A burner for industrial gas according to claim 1, wherein: the fuel gas outlet (21) is provided with a fuel gas spray head.
5. A burner for industrial gas according to claim 1, wherein: the number of the first air outlets (31) is at least 8, and the number of the second air outlets (51) is at least 10.
6. A burner for industrial gas according to claim 1, wherein: the fuel gas outlet (21), the first air outlet (31) and the second air outlet (51) are all located in the premixing chamber (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020140624.4U CN211650232U (en) | 2020-01-20 | 2020-01-20 | Burner for industrial gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020140624.4U CN211650232U (en) | 2020-01-20 | 2020-01-20 | Burner for industrial gas |
Publications (1)
Publication Number | Publication Date |
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CN211650232U true CN211650232U (en) | 2020-10-09 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202020140624.4U Active CN211650232U (en) | 2020-01-20 | 2020-01-20 | Burner for industrial gas |
Country Status (1)
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CN (1) | CN211650232U (en) |
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2020
- 2020-01-20 CN CN202020140624.4U patent/CN211650232U/en active Active
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