CN211854004U - Burner for burning multiple low heat value gas - Google Patents
Burner for burning multiple low heat value gas Download PDFInfo
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- CN211854004U CN211854004U CN201922324145.8U CN201922324145U CN211854004U CN 211854004 U CN211854004 U CN 211854004U CN 201922324145 U CN201922324145 U CN 201922324145U CN 211854004 U CN211854004 U CN 211854004U
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- gas pipe
- converter
- pipe
- coke oven
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Abstract
The utility model relates to the technical field of gas combustion, in particular to a combustion device for combusting various low-heat value gases, the converter gas pipe is simple and compact in structural layout and high in safety and stability, and comprises a converter gas pipe, wherein one end of the converter gas pipe is a converter gas outlet communicated with a hearth, the other end of the converter gas pipe is provided with a converter gas inlet, a supporting rod is installed in the converter gas pipe, a circle of coke oven gas pipe is arranged around the supporting rod, one end of the coke oven gas pipe penetrates through the converter gas inlet pipe and is provided with a coke oven gas inlet, the other end of the coke oven gas pipe is communicated with the hearth and is provided with a coke oven gas nozzle, a first air sleeve is sleeved outside the converter gas pipe, a blast furnace gas pipe is sleeved outside the first air sleeve, a second air sleeve is sleeved outside the blast furnace gas pipe, and gas swirl plates are arranged at the converter gas outlet, the first air.
Description
Technical Field
The utility model relates to a gas combustion technology field specifically is a burn multiple low heat value gas combustion device.
Background
Blast furnace gas, converter gas and coke oven gas are byproduct combustible gases in the production process of iron and steel enterprises, and the heat value is 700-4500kcal/Nm3It belongs to low heat value gas, and can be used for supplying gas and heat for self-contained power station of iron and steel enterprise. Steel enterprises can generate various kinds of coal gas according to production processes, some coal gas is more, some coal gas is less, such as most blast furnace gas, part of converter gas and part of coke oven gas, at the moment, a coal gas boiler needs to burn various kinds of coal gas, some coal gas can be sometimes absent, if each kind of coal gas is provided with a respective burner, a plurality of holes can be formed in a boiler hearth, and partial coal gas needs to be prevented from being burnt out when being stopped, so that the stability is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the burner structure is complicated and the safety and reliability are poor due to the fact that multiple kinds of gas are combusted, the utility model provides a gas combustion device capable of combusting multiple kinds of low calorific value gas, the structure layout is simple and compact, and the safety and stability are high.
The technical scheme is as follows: a combustion device for combusting multiple kinds of low-calorific-value gas is characterized by comprising a converter gas pipe, wherein one end of the converter gas pipe is a converter gas outlet communicated with a hearth, the other end of the converter gas pipe is provided with a converter gas inlet, a support rod is arranged in the converter gas pipe, a circle of coke oven gas pipe is arranged around the support rod, one end of the coke oven gas pipe penetrates through the converter gas inlet pipe and is provided with a coke oven gas inlet, the other end of the coke oven gas pipe is communicated with the hearth and is provided with a coke oven gas nozzle, a first air sleeve is sleeved outside the converter gas pipe, a blast furnace gas pipe is sleeved outside the first air sleeve, a second air sleeve is sleeved outside the blast furnace gas pipe, a first air flow channel is formed by the inner wall of the first air sleeve and the outer wall of the converter gas pipe, a blast furnace gas flow channel is formed by the inner wall of, and the inner wall of the second air sleeve and the outer wall of the blast furnace gas pipe form a second air flow channel, and the gas outlet of the converter gas, the gas outlet of the first air flow channel, the gas outlet of the blast furnace gas flow channel and the gas outlet of the second air flow channel are respectively provided with a gas swirl plate.
The blast furnace gas pipe air inlet and the converter gas pipe air inlet are both arranged upwards, and the first air sleeve and the second air sleeve are both arranged downwards.
Adopt the utility model discloses afterwards, blast furnace gas, converter gas, coke oven gas get into the combustor from the air inlet of difference respectively, send into the air in first air runner and the second air runner, cooperate the spinning disk of gas outlet department, have realized the whirl combustion mode, adapt to the burning of different coal gases, and structural configuration is simple compact, has improved safety and stability.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in figure 1, the combustion device for combusting multiple kinds of low-calorific-value gas comprises a converter gas pipe 1, one end of the converter gas pipe 1 is a converter gas outlet communicated with a hearth, the other end of the converter gas pipe is provided with a converter gas inlet 2, a support rod 3 is installed in the converter gas pipe 1, a circle of coke oven gas pipe 4 is arranged around the support rod 3, one end of the coke oven gas pipe 4 penetrates through the converter gas pipe 1 and is provided with a coke oven gas inlet 5, the other end of the coke oven gas pipe is communicated with the hearth and is provided with a coke oven gas nozzle 6, a first air sleeve 7 is sleeved outside the converter gas pipe 1, a blast furnace gas pipe 8 is sleeved outside the first air sleeve 7, a second air sleeve 9 is sleeved outside the blast furnace gas pipe 8, a first air flow channel is formed by the inner wall of the first air sleeve 7 and the outer wall of the converter gas pipe, the inner wall of the second air sleeve 9 and the outer wall of the blast furnace gas pipe 8 form a second air flow channel, gas swirl vanes 10 are arranged at the gas outlet of the converter gas, the gas outlet of the first air flow channel, the gas outlet of the blast furnace gas flow channel and the gas outlet of the second air flow channel, the support rods 3 are used for supporting the swirl vanes in the converter gas pipe 1, and the rest swirl vanes are supported by two adjacent pipe walls.
The blast furnace gas inlet 11 and the converter gas inlet 2 are both arranged upwards, and the air inlets of the first air sleeve 7 and the second air sleeve 9 are both arranged downwards.
The utility model discloses arrange the coal gas (blast furnace gas, converter gas, coke oven gas) of multiple low calorific value in same combustor, inside and outside layering is arranged, and the air distribution alone, and the burning of various coal gas respectively does not influence like this, and this burner can burn multiple coal gas or burn single coal gas simultaneously, makes boiler furnace combustor arrange simple compactness.
Claims (2)
1. A combustion device for combusting multiple kinds of low-calorific-value gas is characterized by comprising a converter gas pipe, wherein one end of the converter gas pipe is a converter gas outlet communicated with a hearth, the other end of the converter gas pipe is provided with a converter gas inlet, a support rod is arranged in the converter gas pipe, a circle of coke oven gas pipe is arranged around the support rod, one end of the coke oven gas pipe penetrates through the converter gas inlet pipe and is provided with a coke oven gas inlet, the other end of the coke oven gas pipe is communicated with the hearth and is provided with a coke oven gas nozzle, a first air sleeve is sleeved outside the converter gas pipe, a blast furnace gas pipe is sleeved outside the first air sleeve, a second air sleeve is sleeved outside the blast furnace gas pipe, a first air flow channel is formed by the inner wall of the first air sleeve and the outer wall of the converter gas pipe, a blast furnace gas flow channel is formed by the inner wall of, and the inner wall of the second air sleeve and the outer wall of the blast furnace gas pipe form a second air flow channel, and the gas outlet of the converter gas, the gas outlet of the first air flow channel, the gas outlet of the blast furnace gas flow channel and the gas outlet of the second air flow channel are respectively provided with a gas swirl plate.
2. The combustion device for combusting multiple kinds of low heating value gas as claimed in claim 1, wherein the air inlets of the blast furnace gas pipe and the converter gas pipe are both opened upward, and the air inlets of the first air sleeve and the second air sleeve are both opened downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324145.8U CN211854004U (en) | 2019-12-23 | 2019-12-23 | Burner for burning multiple low heat value gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324145.8U CN211854004U (en) | 2019-12-23 | 2019-12-23 | Burner for burning multiple low heat value gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211854004U true CN211854004U (en) | 2020-11-03 |
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ID=73216170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922324145.8U Active CN211854004U (en) | 2019-12-23 | 2019-12-23 | Burner for burning multiple low heat value gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211854004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007707A (en) * | 2021-03-31 | 2021-06-22 | 中国科学技术大学 | Internal flue gas recirculation low NOx burner |
-
2019
- 2019-12-23 CN CN201922324145.8U patent/CN211854004U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007707A (en) * | 2021-03-31 | 2021-06-22 | 中国科学技术大学 | Internal flue gas recirculation low NOx burner |
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