CN212511137U - A dispersion combustion device for blast furnace gas burner - Google Patents

A dispersion combustion device for blast furnace gas burner Download PDF

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Publication number
CN212511137U
CN212511137U CN202021196512.7U CN202021196512U CN212511137U CN 212511137 U CN212511137 U CN 212511137U CN 202021196512 U CN202021196512 U CN 202021196512U CN 212511137 U CN212511137 U CN 212511137U
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CN
China
Prior art keywords
gas
channel
air
conveying
gas channel
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Expired - Fee Related
Application number
CN202021196512.7U
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Chinese (zh)
Inventor
冯炳华
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Hunan Demai Thermal Equipment Co ltd
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Hunan Demai Thermal Equipment Co ltd
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Priority to CN202021196512.7U priority Critical patent/CN212511137U/en
Application granted granted Critical
Publication of CN212511137U publication Critical patent/CN212511137U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a dispersed combustion device for a blast furnace gas burner, which comprises a first gas channel, an air channel, a second gas channel and an ignition gun, wherein the first gas channel is fixedly arranged at the innermost layer and is used for conveying gas; the air channel is sleeved on the first fuel gas channel and used for conveying air so as to mix the air and the fuel gas; the second gas channel is sleeved on the air channel and used for conveying gas; the burning torch is installed on the second air passage, and its one end extends to in the first gas passageway for ignite the gas in the first gas passageway. The utility model discloses a set the gas passageway to two passageways, and set up an air channel between its two passageways to set the area sum through with two gas passageways to equal with the area sum among the prior art, so that it has guaranteed the delivery capacity of gas promptly, the intensive mixing of effectual assurance gas and air again, thereby make the gas more abundant in the combustion process.

Description

A dispersion combustion device for blast furnace gas burner
Technical Field
The utility model relates to a blast furnace gas handles technical field, especially relates to a dispersion burning device for blast furnace gas combustor.
Background
The blast furnace gas is a byproduct in the blast furnace ironmaking process, is obtained by transforming coke after gasification in a blast furnace, and has the composition with less combustible components, namely 20-30% of carbon monoxide and a small amount of hydrocarbon, and the balance of non-combustible components, wherein the nitrogen accounts for about 55%, and the calorific value is very low.
Under the state of the prior art of steel enterprises in China, the blast furnace can only use 40-50% of blast furnace gas, and the rest part of the blast furnace gas is basically discharged to the air, so that not only is energy wasted, but also gases such as C0 and CH4 contained in the blast furnace gas can cause great pollution to the environment.
When blast furnace gas is introduced into a common burner, the blast furnace gas has less combustible components and only one gas outlet is adopted, so that the problems of non-uniform mixing of gas and air and incomplete combustion of the gas are caused, and the waste of the gas is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a through carrying out the layering with the gas and carrying and burning to make the gas furthest carry out a dispersion burner who is used for blast furnace gas burner who burns.
In order to achieve the above object, the present invention provides a dispersion burning device for a blast furnace gas burner, comprising a first gas channel, an air channel, a second gas channel and an ignition gun, wherein the first gas channel, the air channel and the second gas channel are sequentially arranged from inside to outside, and are respectively used for conveying gas and air and mixing the gas and the air; the burning torch is installed on the second air passage, and its one end extends to in the first gas passageway for ignite the gas in the first gas passageway.
As a further aspect of the present invention: and a first gas supply hole is formed in the first gas channel, and one end of the first gas supply hole is connected with the gas conveying end.
As a further aspect of the present invention: the second gas channel is provided with one or more second gas supply holes, and the second gas supply holes are connected with the gas conveying end.
As a further aspect of the present invention: the second air supply holes are respectively and uniformly distributed on the second fuel gas channel so as to realize uniform delivery of fuel gas.
As a further aspect of the present invention: and an air supply hole is arranged on the air channel, and one end of the air supply hole is connected with the air delivery end.
As a further aspect of the present invention: the first gas channel, the first air channel and the second gas channel are all provided with observation windows, and the observation windows are arranged at the same position and used for observing the combustion condition in the combustor;
preferably, the observation window is made of transparent and non-flammable materials.
As a further aspect of the present invention: and the second gas channel is also provided with a supporting seat so as to be convenient for connection with other structures.
Use the technical scheme of the utility model, following beneficial effect has:
(1) the utility model discloses a set the gas passageway into two passageways, and set up an air channel between its two passageways, and set the area sum through with two gas passageways to equal with the area sum of among the prior art (only a gas passageway), so that it has guaranteed the delivery capacity of gas promptly, the intensive mixing of effectual assurance gas and air again, make it carry and the burning through carrying out the layering to gas, thereby realize the burning that the gas can be more abundant in the combustion process, with the utilization ratio of assurance gas. The utility model discloses a carry out the transport of gas with the through-hole that second gas channel adopted evenly distributed to set up to realize the even transport of gas.
(2) The utility model discloses in through setting up the observation window to operating personnel observes the burning condition in the combustor at any time.
(3) The utility model discloses adopt transparent and the nonflammable toughened glass preparation to form with the observation window, make it effectual observation effect of having guaranteed promptly, avoided the damage that the flame of burning caused to the observation window again.
(4) The utility model discloses in still be equipped with the supporting seat, in order to realize the utility model discloses and the convenience of dress, unloading between other structures.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a perspective-axis view of the overall structure of the present invention;
fig. 2 is the overall structure view angle biaxial measuring drawing of the present invention.
Wherein-1: first gas channel, 1-1: first air feed hole, 2: air channel, 2-1: air supply hole, 3: second gas passage, 3-1: second air supply hole, 5: supporting seat, 6: ignition gun, 7: and (4) an observation window.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Referring to fig. 1 and 2, the utility model provides a decentralized combustion device for a blast furnace gas burner, which comprises a first gas channel 1, an air channel 2, a second gas channel 3 and an ignition gun 6, wherein the air channel 2 is arranged between the first gas channel 1 and the second gas channel 3 to realize the uniform mixing of air and gas delivered by the first gas channel 1 and the second gas channel 3, so as to effectively ensure that the gas delivered by the first gas channel 1 and the second gas channel 3 is sufficiently combusted; the burning torch 6 is installed on second air duct 4 to extend to in the first gas passageway 1, ignite to the gas in the first gas passageway 1 in the realization.
Preferably, the first gas channel 1 is a central gas channel, and a first gas supply hole (not labeled) is fixedly arranged at the central position of the central gas channel and is fixedly arranged at the central position of the burner.
Preferably, a plurality of second air feeding holes (not labeled) are uniformly distributed on the second gas channel 3 to facilitate uniform delivery of the gas.
Preferably, the air channel 2 is sleeved on the first gas channel 1, and is fixedly provided with an air supply hole (not shown) thereon to realize air delivery, and the air is mixed with the gas delivered by the first air supply hole (not shown) and the second air supply hole (not shown) to increase the combustion degree of the gas.
This is the utility model discloses a further embodiment: in order to effectively ensure the gas quantity of the gas after the gas is dispersedly conveyed, the sum of the areas of the first gas supply hole (not marked) and the second gas supply hole (not marked) is equal to the area of the gas channel in the prior art.
As a further embodiment of the present invention: in order to facilitate the connection of the dispersion burning device with other structures, a support seat 5 is further arranged on the second gas channel 3.
As a further embodiment of the present invention: in order to facilitate the viewing of the combustion condition in the dispersion combustion device, the first gas channel 1, the air channel 2 and the second gas channel 3 are all provided with observation windows 7, and the observation windows 7 are preferably made of toughened glass.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A dispersion combustion apparatus for a blast furnace gas burner, characterized in that: comprises a first fuel gas channel, an air channel, a second fuel gas channel and an ignition gun,
the first gas channel is fixedly arranged on the innermost layer and used for conveying gas;
the air channel is sleeved on the first fuel gas channel and used for conveying air so as to mix the air and the fuel gas;
the second gas channel is sleeved on the air channel and used for conveying gas;
the burning torch is installed on the second air passage, and its one end extends to in the first gas passageway for ignite the gas in the first gas passageway.
2. The dispersion combustion apparatus of claim 1, wherein: and a first gas supply hole is formed in the first gas channel, and one end of the first gas supply hole is connected with the gas conveying end and used for conveying gas.
3. The dispersion combustion apparatus of claim 2, wherein: the second gas channel is provided with one or more second gas supply holes, and the second gas supply holes are connected with the gas conveying end and used for conveying gas.
4. A dispersion burning device according to claim 3, wherein: the second air supply holes are respectively and uniformly distributed on the second fuel gas channel and used for uniformly conveying fuel gas.
5. The dispersion combustion apparatus of claim 1, wherein: and an air supply hole is arranged on the air channel, and one end of the air supply hole is connected with the air delivery end and used for delivering air.
6. A dispersion burning device according to any one of claims 1 to 5, wherein: and the first gas channel, the first air channel and the second gas channel are all provided with observation windows, and the observation windows are arranged at the same position and used for observing the combustion condition in the combustor.
7. The dispersion combustion apparatus of claim 6, wherein: and a support seat is also arranged on the second gas channel.
CN202021196512.7U 2020-06-24 2020-06-24 A dispersion combustion device for blast furnace gas burner Expired - Fee Related CN212511137U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021196512.7U CN212511137U (en) 2020-06-24 2020-06-24 A dispersion combustion device for blast furnace gas burner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021196512.7U CN212511137U (en) 2020-06-24 2020-06-24 A dispersion combustion device for blast furnace gas burner

Publications (1)

Publication Number Publication Date
CN212511137U true CN212511137U (en) 2021-02-09

Family

ID=74438733

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021196512.7U Expired - Fee Related CN212511137U (en) 2020-06-24 2020-06-24 A dispersion combustion device for blast furnace gas burner

Country Status (1)

Country Link
CN (1) CN212511137U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210209

Termination date: 20210624

CF01 Termination of patent right due to non-payment of annual fee