CN217109548U - Low-nitrogen combustor - Google Patents
Low-nitrogen combustor Download PDFInfo
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- CN217109548U CN217109548U CN202220842095.1U CN202220842095U CN217109548U CN 217109548 U CN217109548 U CN 217109548U CN 202220842095 U CN202220842095 U CN 202220842095U CN 217109548 U CN217109548 U CN 217109548U
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- cyclone cylinder
- sleeve
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Abstract
A low-nitrogen burner comprises a gas pipe and further comprises: the sleeve is arranged on the outer side of the gas pipe, and a combustion-supporting gas channel is formed between the sleeve and the gas pipe; the flow divider is arranged on the gas pipe, the side wall of the flow divider is welded on the side wall of the sleeve, and the flow divider is provided with a gas flow dividing channel and a mixed gas channel; the cyclone cylinder comprises a first cyclone cylinder and a second cyclone cylinder, the first cyclone cylinder and the second cyclone cylinder both comprise a cylinder body, a cylinder body and a fan blade, and the first cyclone cylinder is in threaded connection with the mixing air flue; the second vortex body sets up in the reposition of redundant personnel outside and with sleeve pipe fixed connection, makes gas and combustion-supporting gas's degree of mixing strengthen through setting up a first vortex section of thick bamboo and a second vortex section of thick bamboo, and the intensity of combustion strengthens, and then reaches the production that reduces oxynitrides, the utility model is suitable for a combustor technical field.
Description
Technical Field
The utility model belongs to the technical field of the combustor, refer in particular to a low-nitrogen combustor.
Background
The gas burner is a generic term for a device that injects natural gas and air in a certain manner for mixed combustion. And the flue gas generated by the combustion of the burner contains atmospheric pollutant oxynitride. In recent years, along with strict enforcement of energy-saving and emission-reduction policies, the emission limit requirement of oxynitride in industrial flue gas is higher, but the emission concentration of oxynitride in flue gas of the existing burner is still higher, and the environmental pollution is serious, for example, as a waste gas burning low-nitrogen burner head disclosed in the Chinese utility model patent publication No. 202023048529.0, although the generation of oxynitride is reduced by adding a waste gas channel for sufficient dyeing reduction, the generation of oxynitride is still attributed to the insufficient intimate mixing between fuel gas and combustion-supporting gas, so we especially design a low-nitrogen burner.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to provide a reduce combustor that oxynitrides produced.
In order to achieve the above purpose, the utility model provides a following technical scheme: a low-nitrogen burner comprises a gas pipe and further comprises:
the sleeve is arranged on the outer side of the gas pipe, and a combustion-supporting gas channel is formed between the sleeve and the gas pipe;
the flow divider is arranged on the gas pipe, the side wall of the flow divider is welded on the side wall of the sleeve, and the flow divider is provided with a gas flow dividing channel and a mixed gas channel;
the cyclone cylinder comprises a first cyclone cylinder and a second cyclone cylinder, the first cyclone cylinder and the second cyclone cylinder both comprise a cylinder body, a cylinder body and a fan blade, and the first cyclone cylinder is in threaded connection with the mixing air flue; the second cyclone body is arranged on the outer side of the flow dividing body and is fixedly connected with the sleeve.
Make the degree of mixing of gas and combustion-supporting gas strengthen, the burning strength reinforcing through setting up first whirl section of thick bamboo and second whirl section of thick bamboo, and then reach the production that reduces oxynitrides.
The utility model discloses further set up to: still include, the cooling tube is provided with coolant liquid import and coolant liquid export, and the cooling tube is inside to be provided with the coolant liquid, and the cooling tube encircles the outside that sets up at the gas pipe.
The low-nitrogen combustor is cooled by cooling liquid in the cooling pipe, so that the generation of nitrogen oxides in the combustor is reduced.
The utility model discloses further set up to: the one-way air valve is arranged on the inner side of the first cyclone cylinder.
The condition that gas escaped outward in the mixed gas channel is prevented by arranging the one-way gas valve.
The utility model discloses further set up to: still include, the through-hole evenly distributed is in the sheathed tube outside.
Through setting up the through-hole directly mix with the gas in the leading-in mixture air flue of ambient air.
The utility model discloses further set up to: the cooling liquid inlet and the cooling liquid outlet are clamped on the through hole and extend to the outer side of the sleeve.
The cooling liquid is conveniently input by clamping the cooling liquid inlet and the cooling liquid outlet above the through hole.
The utility model discloses further set up to: the device also comprises a housing, wherein the housing is in threaded connection with the outer side of the second cyclone cylinder, and a protection cavity is formed between the housing and the second cyclone cylinder.
A protection cavity is formed between the burners by arranging the housing, and then open fire is prevented from directly contacting the second cyclone cylinder.
The utility model discloses further set up to: still include, the asbestos gauge sets up in the protection intracavity.
Open fire is further prevented from entering the protective cavity by arranging the asbestos meshes.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is a schematic view of the flow divider of the present invention;
FIG. 4 is a structure view of the cyclone cartridge of the present invention;
reference numbers in the drawings and corresponding part names: 1-gas pipe, 2-sleeve pipe, 3-shunt body, 4-gas shunt channel, 5-mixed gas channel, 6-cyclone cylinder, 61-cylinder, 62-cylinder, 63-fan blade, 7-first cyclone cylinder, 8-second cyclone cylinder, 9-cooling pipe, 10-one-way air valve, 11-through hole, 12-cover shell, 13-asbestos mesh and 14-protection cavity.
Detailed Description
The 7 embodiments of the present invention are further explained with reference to fig. 1 to 4.
Example 1
The utility model aims at providing a low nitrogen combustor, including gas pipe 1, still include:
the sleeve 2 is arranged outside the gas pipe 1, and a combustion-supporting gas channel 15 is formed between the sleeve 2 and the gas pipe 1;
the fuel gas mixing device comprises a flow divider 3, wherein the flow divider 3 is arranged on a fuel gas pipe 1, the side wall of the flow divider 3 is welded on the side wall of a sleeve 2, and the flow divider 3 is provided with a fuel gas flow dividing channel 4 and a mixed gas channel 5;
the cyclone cylinder 6 comprises a first cyclone cylinder 7 and a second cyclone cylinder 8, the first cyclone cylinder 7 and the second cyclone cylinder 8 both comprise a cylinder body 61 and cyclone fan blades 63, and the first cyclone cylinder 7 is in threaded connection with the mixing air flue 5; the second cyclone body is arranged on the outer side of the flow dividing body 3 and is fixedly connected with the sleeve 2.
The low-nitrogen combustor is composed of a gas pipe 1, a sleeve 2, a flow dividing body 3, a first cyclone cylinder 7 and a second cyclone cylinder 8;
the flow divider 3 is arranged on the gas pipe 1, the sleeve 2 is sleeved on the outer side of the gas pipe 1 through the side wall of the flow divider 3 which is fixedly connected with the sleeve, a combustion-supporting gas channel 15 is formed on the outer side of the gas pipe 1, the flow divider 3 is provided with a gas flow divider 4 and a mixed gas channel 5, the first cyclone cylinder 7 is arranged on the mixed gas channel 5, the second cyclone cylinder 8 is fixedly connected on the sleeve 2 and is positioned on one side of the flow divider 3 which faces outwards, the cyclone fan blades 63 are provided with a plurality of pieces, two pieces of the cyclone fan blades 63 are respectively connected with the cylinder 62 and the cylinder 61, and the cyclone fan blades 63 are arranged at intervals along the cylinder 62;
through assemble the gas that divides the flow of reposition of redundant personnel 3 in the gas pipe 1 and the combustion-supporting gas through combustion-supporting gas passageway 15 mix the gas after 5 gas passages 5 together by first whirl section of thick bamboo 7 carry out the primary mixing back to gas and combustion-supporting gas, carry out the secondary through the second whirl section of thick bamboo 8 in the flow of dividing 3 outsides and mix and make gas and combustion-supporting gas's mixability strengthen, the burning strength reinforcing, and then reach the production that reduces oxynitrides.
Example 2
In this embodiment, in addition to the structural features of the previous embodiments, the method further includes:
Example 3
In this embodiment, in addition to the structural features of the foregoing embodiment, the method further includes:
and the one-way valve 10 is arranged on the inner side of the first cyclone cylinder 7.
The one-way air valve 10 is arranged on the inner side of the first cyclone cylinder 7 and plays a role in preventing the occurrence of the situation that fuel gas escapes through the combustion-supporting gas channel 15 when passing through the mixed gas channel 5.
Example 4
In this embodiment, in addition to the structural features of the foregoing embodiment, the method further includes:
through holes 11, the through holes 11 are uniformly distributed on the outer side of the sleeve 2.
Through evenly setting up through-hole 11 in the outside at sleeve pipe 2, can be directly with leading-in combustor behind the 5 gas mixtures of outside air through mixed gas way in, the phenomenon of the gas refluence of appearing is avoided in the setting of one-way pneumatic valve 10 simultaneously.
Example 5
In this embodiment, in addition to the structural features of the foregoing embodiment, the method further includes:
the cooling liquid inlet and the cooling liquid outlet are clamped on the through hole 11 and extend to the outer side of the sleeve.
The cooling liquid inlet and the cooling liquid outlet are clamped on the through hole 11, so that the cooling liquid can be conveniently input into the cooling pipe 9.
Example 6
In this embodiment, in addition to the structural features of the foregoing embodiment, the method further includes:
and the cover shell 12 is in threaded connection with the outer side of the second cyclone cylinder 8, and a protection cavity 14 is formed between the cover shell 12 and the second cyclone cylinder 8.
By arranging the casing 12 outside the burner with a protective chamber 14 formed therebetween, it is possible to prevent the second cyclone cartridge 8 from being burnt by direct contact of an open flame with the second cyclone cartridge 8.
Example 7
In this embodiment, in addition to the structural features of the foregoing embodiment, the method further includes:
and the asbestos meshes 13 are arranged in the protective cavities 14.
Open flames can be further blocked by arranging the asbestos meshes 13.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a low-nitrogen combustor, includes gas pipe (1), characterized by still includes:
the sleeve (2) is arranged outside the gas pipe (1), and a combustion-supporting gas channel (15) is formed between the sleeve (2) and the gas pipe (1);
the fuel gas mixing device comprises a flow divider (3), wherein the flow divider (3) is arranged on a fuel gas pipe (1), the side wall of the flow divider (3) is welded on the side wall of a sleeve (2), and the flow divider (3) is provided with a fuel gas flow dividing channel (4) and a mixed gas channel (5);
the cyclone cylinder (6) comprises a first cyclone cylinder (7) and a second cyclone cylinder (8), the first cyclone cylinder (7) and the second cyclone cylinder (8) respectively comprise a cylinder body (61), a cylinder body (62) and fan blades (63), and the first cyclone cylinder (7) is in threaded connection with the mixing air passage (5); the second cyclone body is arranged on the outer side of the flow dividing body (3) and is fixedly connected with the sleeve (2).
2. The low-nitrogen burner as claimed in claim 1, further comprising:
cooling tube (9), cooling tube (9) be provided with coolant liquid import and coolant liquid export, cooling tube (9) inside be provided with the coolant liquid, cooling tube (9) encircle and set up in the outside of gas pipe (1).
3. The low-nitrogen burner as claimed in claim 2, further comprising:
the one-way air valve (10), the one-way air valve (10) is arranged on the inner side of the first cyclone cylinder (7).
4. The low-nitrogen burner as claimed in claim 3, further comprising:
the through holes (11), the through holes (11) are evenly distributed on the outer side of the sleeve (2).
5. The low-nitrogen burner as claimed in claim 4, wherein the coolant inlet and the coolant outlet are engaged with the through-hole (11) and extend to the outside of the sleeve.
6. The low-nitrogen burner as claimed in claim 5, further comprising:
the device comprises a housing (12), wherein the housing (12) is in threaded connection with the outer side of the second cyclone cylinder (8), and a protection cavity (14) is formed between the housing (12) and the second cyclone cylinder (8).
7. The low-nitrogen burner as claimed in claim 6, further comprising:
the asbestos net (13), asbestos net (13) set up in protection intracavity (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220842095.1U CN217109548U (en) | 2022-04-12 | 2022-04-12 | Low-nitrogen combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220842095.1U CN217109548U (en) | 2022-04-12 | 2022-04-12 | Low-nitrogen combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217109548U true CN217109548U (en) | 2022-08-02 |
Family
ID=82579587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220842095.1U Active CN217109548U (en) | 2022-04-12 | 2022-04-12 | Low-nitrogen combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217109548U (en) |
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2022
- 2022-04-12 CN CN202220842095.1U patent/CN217109548U/en active Active
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