CN207313541U - Ou Ye stove coal gas devices - Google Patents
Ou Ye stove coal gas devices Download PDFInfo
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- CN207313541U CN207313541U CN201721242183.3U CN201721242183U CN207313541U CN 207313541 U CN207313541 U CN 207313541U CN 201721242183 U CN201721242183 U CN 201721242183U CN 207313541 U CN207313541 U CN 207313541U
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- coal
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Abstract
The utility model belongs to ironmaking Ou Ye stove gasification furnace coal gas devices, particularly a kind of Ou Ye stoves coal gas device, the gasification furnace set including Ou Ye stoves, being uniformly arranged on gasification furnace has twin-channel oxygen coal gun and oxygen burner, two sets of defeated coal dust pipelines of coal injection system pulverized coal conveying are divided into 2 tunnels by bifurcated device respectively outside gasification furnace, amount to the defeated coal dust branch pipe in 4 roads after two sets of defeated coal dust pipeline difference bifurcateds, it respectively connected the coal dust import of oxygen coal gun per the defeated coal dust branch pipe in road, oxygen supplying tube in parallel respectively connected the oxygen inlet of oxygen coal gun and be connected to oxygen burner.The utility model is rational in infrastructure, utilization rate of the coal dust in vault can be lifted with first mate's degree, it can effectively increase and gas volume occurs, improves reducing gas quality, gasification furnace can more have ready conditions can be lower using the quality requirement of inferior fuel, STRENGTH ON COKE, improves production efficiency.
Description
Technical field
The utility model belongs to ironmaking Ou Ye stove gasification furnace coal gas devices, particularly a kind of Ou Ye stoves coal gas device.
Background technology
Traditional COREX stoves are used in tuyere injection fine coal, since COREX shaft furnaces pair also Primordial Qi component requirements are very high,
Blast furnace PCI technology technology is used for reference or employed to technique, the equipment of COREX coal injection systems, and 2 injections stood out from injection are total
Pipe enters 2 distributors on COREX pylons along pipeline crane span structure.COREX gasification furnaces throat platform is equipped with two distributors, from
28 injection branch pipes that distributor comes out are transported to by grade caliber, equal length and almost identical geometry arrangement substantially
2 distributors on COREX furnace roofs, then respective 14 injection branch pipes of process are interleaved to the odd number and even numbers oxygen up to COREX stoves
Air port, is sprayed into coal dust in COREX gasification furnaces air port by 28 coal rifles.
COREX coal powder injections are using suitable coal rifle arrangement and ensure pulverized coal preheating burning, have higher combustion before making air port
Burning rate, cupola well keep good Warm status, but since COREX gasification furnace semicoke bed material columns are short, lump coal（Moulded coal）Half char strength
Difference, cupola well is breathed freely, and liquid permeability is poor, and cupola well is easily accumulated, to improve coal powder injection ability to accept, it is necessary to keep certain high-strength coke, because
The inferior position of this COREX coal powder injection is more.
With reference to the fuel source in Xinjiang, Ou Ye stoves blow-ons initial stage is full coke for smelting, according to current complete burnt fuel structure,
Cause reducing gas insufficient, it is impossible to realize Ou Ye stove steady productions.Since Ou Yelu does not have special coal gas equipment, therefore adopt
Take and the larger small coal of granularity is added by the coke distributing device of arch roof of gasification furnace, after adding beans, technique productions are steady
It is fixed, but since fritter coal particle size is larger, mixing is uneven, it is impossible to burn with the oxygen that vault oxygen jet sprays into vault,
Crown area cracking incomplete combustion is just taken out of by coal gas, while remaining dust enters fixed bed with furnace charge and deteriorates lower part furnace charge
Ventilative, liquid permeability.
Therefore Ou Yelu productions have the following disadvantages：1st, gas volume deficiency causes shaft furnace degree of metalization there was only 25%.COREX
Stove can reach 60%.2nd, limited by shaft furnace degree of metalization, can not further reduce coke ratio.3rd, molten iron silicon content is higher, after giving
Procedure production has brought larger production pressure Ou Ye stoves molten iron silicon content average 2.66% since blow-on, with respect to blast furnace, COREX
The reason for stove silicone content is higher, and analysis molten iron silicon content is high is as follows：Fuel ratio blast furnace is higher by nearly 1 times；Rouse pure oxygen in air port；T manages ratio
High 1.7 times or so of blast furnace.
Utility model content
The purpose of this utility model is to provide a kind of Ou Ye stoves coal gas device, its is rational in infrastructure, can be carried with first mate's degree
Utilization rate of the coal dust in vault is risen, can effectively increase and gas volume occurs, improves reducing gas quality, gasification furnace can more have bar
Part can be lower using the quality requirement of inferior fuel, STRENGTH ON COKE, improves production efficiency.
What the purpose of this utility model was realized in：A kind of Ou Ye stoves coal gas device, including the gas that Ou Ye stoves are set
Change stove, being uniformly arranged on gasification furnace has twin-channel oxygen coal gun and oxygen burner, two sets of coal injection system pulverized coal conveying
Defeated coal dust pipeline is divided into 2 tunnels by bifurcated device respectively outside gasification furnace, amounts to the defeated coal in 4 roads after two sets of defeated coal dust pipeline difference bifurcateds
Powder branch pipe, the coal dust import of oxygen coal gun is respectively connected per the defeated coal dust branch pipe in road, and oxygen supplying tube in parallel respectively connected oxygen coal gun
Oxygen inlet and be connected to oxygen burner.
The technical solution of the utility model has 2, first for the passage that oxygen enters gasification furnace in Ou Ye furnace technologies
28 air ports at cupola well for being 14.3 meters via gasification furnace absolute altitude enter, and another by being 23.7 meters of arch roof of gasification furnace in absolute altitude
4 dust burners and 6 oxygen burners at place are entered in gasification furnace, to prevent that the coal injection of draught of COREX stoves is easy to gasification furnace
Causing cupola well to breathe freely, liquid permeability is poor, and cupola well easily accumulates adverse effect, takes wherein 4 in 6 oxygen burners of Ou Yelu
Burner is transformed into vault coal gas device, realizes gasification furnace function division, and crown area passes through coal gas as fluidized bed region
Enough coal gas occurs, vault region below completes shaft furnace and do not complete remaining restoring function and liquid slag as fixed bed
The function of iron, effectively raises the utilization ratio of gasification furnace, reduces the fuel consumption of gasification furnace.Using coal gas device, its
Gasification result is substantially improved, and can be effectively increased coal resource, and do not influence the working of a furnace.Ou Ye stoves realize coal after full coke for smelting at present
Gas occurrence quantity reduces 30%, and actual metal rate maintains 25% or so, and after vault oxygen coal gun coal injection, coal dust is in vault
Utilization rate first mate degree lifting, can effectively increase occur gas volume, improve reducing gas quality, can reach according to theoretical calculation
More than 60% degree of metalization is horizontal when Luojing produces, and molten iron silicon element reaches blast furnace ironmaking level.Vault takes coal gas technique
Afterwards, because using oxygen coal gun technique, coal powder size attenuates, is sprayed by oxygen coal gun, is fully mixed with the oxygen sprayed at the same time in oxygen coal gun
Close, coal dust can be in the abundant combustion gasification in crown area, fully cracking, and the powder rate of gasification furnace and shaft furnace stock column can reduce, stock column
Ventilative liquid permeability can improve, and gasification furnace is more had ready conditions can be lower using the quality requirement of inferior fuel, STRENGTH ON COKE.
Concrete function is as follows：After coal dust reaches standard by coal injection system grinding, sent by two circuits to gasification furnace, often
Circuits are 2 stoves by bifurcated device bifurcated near gasification furnace, amount to 4 tunnels after bifurcated two-by-two.Per road after access oxygen coal burner
End, coal dust are sprayed into stove by oxygen coal gun, and oxygen coal gun has binary channels, and pure oxygen is also entered by oxygen coal gun, in jet expansion fluerics,
Due to CO2、H2Based on O, with the progress of secondary response, that is, gasification reaction, CO and H2, concentration gradually rise, and CO2、
H2The concentration of O gradually reduces, so as to complete the function of coal gas.
The utility model is rational in infrastructure, and first mate's degree improves utilization rate of the coal dust in vault, can effectively increase generation coal
Tolerance, improve reducing gas quality, and gasification furnace can more have ready conditions can be more using the quality requirement of inferior fuel, STRENGTH ON COKE
It is low, improve production efficiency.
Brief description of the drawings
The utility model is further described below in conjunction with attached drawing, Fig. 1 illustrates for the utility model front view structure
Figure, Fig. 2 is coal gas device overlooking the structure diagram.
Embodiment
A kind of Ou Ye stoves coal gas device, as shown in Figure 1 and Figure 2, including the gasification furnace 2 that Ou Ye stoves are set, in gasification furnace 2
On be uniformly arranged there is twin-channel oxygen coal gun 4 and oxygen burner 6, two sets of defeated coal dust pipelines 5 of coal injection system pulverized coal conveying
Divided respectively by bifurcated device 1 outside gasification furnace 2 and amount to the defeated coal dust branch pipe 3 in 4 roads after distinguishing bifurcateds for 2 tunnels, two sets of defeated coal dust pipelines,
It respectively connected the coal dust import of oxygen coal gun 4 per the defeated coal dust branch pipe 3 in road, oxygen supplying tube 7 in parallel respectively connected the oxygen of oxygen coal gun 4
Gas import and it is connected to oxygen burner 6.4 oxygen coal guns 4 and two oxygen burners 6 are uniformly arranged on gasification furnace 2.
Claims (2)
1. a kind of Ou Ye stoves coal gas device, including the gasification furnace (2) that Ou Ye stoves are set, it is characterized in that：On gasification furnace (2)
Cloth, which is set, has twin-channel oxygen coal gun (4) and oxygen burner (6), two sets of defeated coal dust pipelines of coal injection system pulverized coal conveying
(5) 2 tunnels are divided into by bifurcated device (1) respectively outside in gasification furnace (2), amount to the defeated coal in 4 roads after two sets of defeated coal dust pipeline difference bifurcateds
Powder branch pipe (3), the coal dust import of oxygen coal gun (4) is respectively connected per the defeated coal dust branch pipe (3) in road, oxygen supplying tube in parallel (7) is respectively
It is connected to the oxygen inlet of oxygen coal gun (4) and is connected to oxygen burner (6).
2. Ou Ye stoves coal gas device according to claim 1, it is characterized in that：4 are uniformly arranged on gasification furnace (2)
Oxygen coal gun (4) and two oxygen burners (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721242183.3U CN207313541U (en) | 2017-09-26 | 2017-09-26 | Ou Ye stove coal gas devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721242183.3U CN207313541U (en) | 2017-09-26 | 2017-09-26 | Ou Ye stove coal gas devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207313541U true CN207313541U (en) | 2018-05-04 |
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ID=62384186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721242183.3U Active CN207313541U (en) | 2017-09-26 | 2017-09-26 | Ou Ye stove coal gas devices |
Country Status (1)
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| CN (1) | CN207313541U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111411186A (en) * | 2019-01-04 | 2020-07-14 | 新疆八一钢铁股份有限公司 | Ou ye stove shaft furnace roof atomizer |
| CN112011661A (en) * | 2020-08-07 | 2020-12-01 | 新疆八一钢铁股份有限公司 | Efficient nitrogen-saving method for tuyere of Ou metallurgical furnace |
| CN114410351A (en) * | 2022-01-28 | 2022-04-29 | 新疆八一钢铁股份有限公司 | Dry coal powder gas making method for crown of gasification furnace of Euro-smelting furnace |
-
2017
- 2017-09-26 CN CN201721242183.3U patent/CN207313541U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111411186A (en) * | 2019-01-04 | 2020-07-14 | 新疆八一钢铁股份有限公司 | Ou ye stove shaft furnace roof atomizer |
| CN112011661A (en) * | 2020-08-07 | 2020-12-01 | 新疆八一钢铁股份有限公司 | Efficient nitrogen-saving method for tuyere of Ou metallurgical furnace |
| CN114410351A (en) * | 2022-01-28 | 2022-04-29 | 新疆八一钢铁股份有限公司 | Dry coal powder gas making method for crown of gasification furnace of Euro-smelting furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180724 Address after: 830022 No. 1 Bayi Road, Toutun River District, Urumqi, the Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Bayi Iron & Steel Co., Ltd. Address before: 830022 No. 1 Xingang Road, Toutun River District, Urumqi, the Xinjiang Uygur Autonomous Region. Patentee before: Baosteel Group Xinjiang Bayi Iron & Steel Co., Ltd. |
|
| TR01 | Transfer of patent right |