CN203464741U - High-efficiency saving type pipeline structure for steel refining furnace - Google Patents
High-efficiency saving type pipeline structure for steel refining furnace Download PDFInfo
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- CN203464741U CN203464741U CN201320522935.7U CN201320522935U CN203464741U CN 203464741 U CN203464741 U CN 203464741U CN 201320522935 U CN201320522935 U CN 201320522935U CN 203464741 U CN203464741 U CN 203464741U
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- branch pipe
- oxygen
- natural gas
- nitrogen
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
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Abstract
The utility model relates to a high-efficiency saving type pipeline structure for a steel refining furnace. The high-efficiency saving type pipeline structure comprises an oxygen main, a natural gas main and a nitrogen main; the oxygen main and the natural gas main are respectively provided with at least one oxygen branch pipe and at least one natural gas branch pipe; the oxygen branch pipe and the natural gas branch pipe are respectively communicated with a first nitrogen branch pipe and a second nitrogen branch pipe; the first nitrogen branch pipe and the second nitrogen branch pipe are communicated with the nitrogen main respectively, and are provided with a nitrogen switching valve respectively. The high-efficiency saving type pipeline structure has the beneficial effects that according to the high-efficiency saving type pipeline structure for the steel refining furnace, nitrogen passages are increased, the operation procedure is changed, oxygen and natural gas are cut off during charging or tapping, nitrogen is introduced to ensure smooth gunpoint, and a great amount of oxygen and natural gas are saved, so that the utilization rate of the oxygen and the natural gas is improved and the cost is reduced.
Description
Technical field
The utility model relates to converter equipment technical field, relates in particular to a kind of converter efficient economizing pipeline configuration.
Background technology
Electric furnace is to be the heating furnace of heat to workpiece heating the electric energy conversion in stove, and with Fuel Furnace comparison, the advantage of electric furnace has: furnace atmosphere is easily controlled, and even can be evacuated; Heating material is fast, and heating-up temperature is high, easy control of temperature; Production process more easily realizes mechanization and automation; Labour health condition is good; The thermal efficiency is high; Good product quality; And environmental protection pair is a good product etc. with the environmental problem being on the rise more.In metallurgical industry, electric furnace is mainly used in melting, heating and the heat treatment of iron and steel, ferroalloy, non-ferrous metal etc.
Steel industry dog-eat-dog, falls and originally becomes one of major subjects of steel mill's operation at present.During existing electric furnace factory steel-making, need in body of heater, pass into oxygen and natural gas, by oxygen lance or natural air gun, spray in body of heater, if and at reinforced and closed gas flow while putting steel, these muzzle are easy to be stopped up by dust or impurity, so need to not stop to pass into oxygen and natural gas in case block rifle stops up, simultaneously when electric furnace slag, oxygen rifle adds and blows natural gas and prevent that slag bounce-back from stopping up oxygen rifle, has so greatly reduced the utilization rate of oxygen and natural gas, cost increase.
Utility model content
The technical problems to be solved in the utility model is: in order to improve the utilization rate of oxygen and natural gas, cost-saving, the utility model provides a kind of converter efficient economizing pipeline configuration.
The utility model solves the technical scheme that its technical problem adopts: a kind of converter efficient economizing pipeline configuration, comprise oxygen total pipeline, natural gas total pipeline and nitrogen header pipe road, at least one oxygen manifold road and natural gas branch pipe road on described oxygen total pipeline and natural gas total pipeline, have been opened respectively, the outlet in oxygen manifold road and natural gas branch pipe road is separately installed with oxygen lance and natural air gun, on oxygen manifold road and natural gas branch pipe road, be communicated with respectively the first nitrogen branch pipe(tube) and the second nitrogen branch pipe(tube), described the first nitrogen branch pipe(tube) and the second nitrogen branch pipe(tube) are connected with nitrogen header pipe road respectively, and be equipped with nitrogen switch valve on the first nitrogen branch pipe(tube) and the second nitrogen branch pipe(tube), the connectivity part of setting oxygen manifold road and oxygen total pipeline is first interface, the connectivity part in the first nitrogen branch pipe(tube) and oxygen manifold road is the second interface, the connectivity part of natural gas branch pipe road and natural gas total pipeline is the 3rd interface, the connectivity part in the second nitrogen branch pipe(tube) and natural gas branch pipe road is the 4th interface, on oxygen manifold road between first interface and the second interface, oxygen switch valve is installed, on natural gas branch pipe road between the 3rd interface and the 4th interface, natural gas switch valve is installed.
For can quick closedown all gas pass into, on the oxygen manifold road of described oxygen lance to the second interface, oxygen lance switch valve is installed, on the natural gas branch pipe road between natural air gun to the four interfaces, natural air gun switch valve is installed.
In order to adapt to the demand of body of heater, described oxygen manifold road and natural gas branch pipe road are respectively 6 and 3, and the first nitrogen branch pipe(tube) and the second nitrogen branch pipe(tube) correspondence are respectively 6 and 3.
The beneficial effects of the utility model are, converter of the present utility model efficient economizing pipeline configuration, by increasing channel of nitrogen, change operating process, when feeding in raw material or putting steel, close oxygen and natural gas, pass into nitrogen to guarantee that muzzle is unimpeded, saved a large amount of oxygen and natural, thereby gas has improved the utilization rate of oxygen and natural gas, reduces costs.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is pipeline configuration schematic diagram of the present utility model.
In figure: 1, oxygen total pipeline, 1-1, oxygen manifold road, 1-2, first interface, 2, natural gas total pipeline, 2-1, natural gas branch pipe road, 2-2, the 3rd interface, 3, nitrogen header pipe road, 3-1, the first nitrogen branch pipe(tube), 3-2 the second nitrogen branch pipe(tube), 3-3, the second interface, 3-4, the 4th interface, 4, nitrogen switch valve, 5, oxygen switch valve, 6, natural gas switch valve, 7, oxygen lance switch valve, 8, natural gas air gun switch valve.
The specific embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present utility model is only described in a schematic way, so it only show the formation relevant with the utility model.
As shown in Figure 1, comprise oxygen total pipeline 1, natural gas total pipeline 2 and nitrogen header pipe road 3, 6 oxygen manifold road 1-1 and 3 natural gas branch pipe road 2-1 on oxygen total pipeline 1 and natural gas total pipeline 2, have been opened respectively, the outlet of oxygen manifold road 1-1 and natural gas branch pipe road 2-1 is separately installed with oxygen lance and natural air gun, on oxygen manifold road 1-1 and natural gas branch pipe road 2-1, correspondence is communicated with the first nitrogen branch pipe(tube) 3-1 and the second nitrogen branch pipe(tube) 3-2 respectively, the other end of the first nitrogen branch pipe(tube) 3-1 and the second nitrogen branch pipe(tube) 3-2 is connected with nitrogen header pipe road 3 respectively, and be equipped with nitrogen switch valve 4 on the first nitrogen branch pipe(tube) 3-1 and the second nitrogen branch pipe(tube) 3-2, the connectivity part of setting oxygen manifold road 1-1 and oxygen total pipeline 1 is first interface 1-2, the connectivity part of the first nitrogen branch pipe(tube) 3-1 and oxygen manifold road 1-1 is the second interface 3-3, the connectivity part of natural gas branch pipe road 2-1 and natural gas total pipeline 2 is the 3rd interface 2-2, the connectivity part of the second nitrogen branch pipe(tube) 3-2 and natural gas branch pipe road 2-1 is the 4th interface 3-4, on oxygen manifold road 1-1 between first interface 1-2 and the second interface 3-3, oxygen switch valve 5 is installed, on natural gas branch pipe road 2-1 between the 3rd interface 2-2 and the 4th interface 3-4, natural gas switch valve 6 is installed.On the oxygen manifold road 1-1 of oxygen lance to the second interface 3-3, oxygen lance switch valve 7 is installed, on the natural gas branch pipe road 2-1 between natural air gun to the four interface 3-4, natural air gun switch valve 8 is installed.
When steel-making, oxygen switch valve 5, natural gas switch valve 6, oxygen lance switch valve 7, natural gas air gun switch valve 8 are all opened, nitrogen switch valve 4 all cuts out, oxygen in total pipeline and natural gas pass in converter by oxygen lance and natural air gun respectively, when feeding in raw material or putting steel, oxygen switch valve 5 and natural gas switch valve 6 are closed, and nitrogen switch valve 4 is all opened, and by mode cheaply, prevent that muzzle from stopping up.
Monthly index best embodies the truth before and after transformation, average oxygen expenditure: 67m monthly before transformation
3/ T, natural gas 5.83m
3/ T.Average oxygen expenditure: 61m monthly after improvement
3/ T, natural gas 3.71m
3/ T, an expectation ton steel can be saved 6m
3/ T(0.61 unit/m
3) oxygen, save 2.12Nm
3/ T(3.07 unit/m
3) natural gas.
The above-mentioned foundation desirable embodiment of the present utility model of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this utility model technological thought, carry out various change and modification completely.The technical scope of this utility model is not limited to the content on description, must determine its technical scope according to claim scope.
Claims (3)
1. a converter efficient economizing pipeline configuration, it is characterized in that: comprise oxygen total pipeline (1), natural gas total pipeline (2) and nitrogen header pipe road (3), at least one oxygen manifold road (1-1) and natural gas branch pipe road (2-1) on described oxygen total pipeline (1) and natural gas total pipeline (2), have been opened respectively, the outlet of oxygen manifold road (1-1) and natural gas branch pipe road (2-1) is separately installed with oxygen lance and natural air gun, on oxygen manifold road (1-1) and natural gas branch pipe road (2-1), be communicated with respectively the first nitrogen branch pipe(tube) (3-1) and the second nitrogen branch pipe(tube) (3-2), described the first nitrogen branch pipe(tube) (3-1) and the second nitrogen branch pipe(tube) (3-2) are connected with nitrogen header pipe road (3) respectively, and be equipped with nitrogen switch valve (4) on the first nitrogen branch pipe(tube) (3-1) and the second nitrogen branch pipe(tube) (3-2),
Setting oxygen manifold road (1-1) is first interface (1-2) with the connectivity part of oxygen total pipeline (1), the first nitrogen branch pipe(tube) (3-1) is the second interface (3-3) with the connectivity part in oxygen manifold road (1-1), natural gas branch pipe road (2-1) is the 3rd interface (2-2) with the connectivity part of natural gas total pipeline (2), the second nitrogen branch pipe(tube) (3-2) is the 4th interface (3-4) with the connectivity part in natural gas branch pipe road (2-1), on oxygen manifold road (1-1) between first interface (1-2) and the second interface (3-3), oxygen switch valve (5) is installed, on natural gas branch pipe road (2-1) between the 3rd interface (2-2) and the 4th interface (3-4), natural gas switch valve (6) is installed.
2. converter as claimed in claim 1 efficient economizing pipeline configuration, it is characterized in that: on the oxygen manifold road (1-1) of described oxygen lance to the second interface (3-3), oxygen lance switch valve (7) is installed, on the natural gas branch pipe road (2-1) between natural air gun to the four interfaces (3-4), natural air gun switch valve (8) is installed.
3. converter as claimed in claim 1 efficient economizing pipeline configuration, it is characterized in that: described oxygen manifold road (1-1) and natural gas branch pipe road (2-1) are respectively 6 and 3, the first nitrogen branch pipe(tube) (3-1) and the second nitrogen branch pipe(tube) (3-2) correspondence are respectively 6 and 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320522935.7U CN203464741U (en) | 2013-08-26 | 2013-08-26 | High-efficiency saving type pipeline structure for steel refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320522935.7U CN203464741U (en) | 2013-08-26 | 2013-08-26 | High-efficiency saving type pipeline structure for steel refining furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203464741U true CN203464741U (en) | 2014-03-05 |
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ID=50177102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320522935.7U Expired - Lifetime CN203464741U (en) | 2013-08-26 | 2013-08-26 | High-efficiency saving type pipeline structure for steel refining furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203464741U (en) |
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2013
- 2013-08-26 CN CN201320522935.7U patent/CN203464741U/en not_active Expired - Lifetime
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140305 |
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| CX01 | Expiry of patent term |