CN201343564Y - Reduction spray gun for reduction furnace - Google Patents
Reduction spray gun for reduction furnace Download PDFInfo
- Publication number
- CN201343564Y CN201343564Y CNU2009200883625U CN200920088362U CN201343564Y CN 201343564 Y CN201343564 Y CN 201343564Y CN U2009200883625 U CNU2009200883625 U CN U2009200883625U CN 200920088362 U CN200920088362 U CN 200920088362U CN 201343564 Y CN201343564 Y CN 201343564Y
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- China
- Prior art keywords
- reduction
- inner sleeve
- spray gun
- furnace
- round steel
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Abstract
The utility model relates to a reduction spray gun for a reduction furnace. On the one hand, the reduction spray rod provides a means for supplying sufficient heat to ensure charging temperature inside the furnace, and on the other hand, reducing gas, among other gases entering the furnace for charging agitation, serves to facilitate not only the heat transfer among materials, but also the reduction reaction. The reduction spray gun comprises two sleeves with different inside diameters and round steel bars assembled together with the sleeves, and is characterized in that the two sleeves with different inside diameters include an inner sleeve and an outer sleeve, wherein, passages are arranged between the inner sleeve and the outer sleeve as well as between the inner sleeve and the round steel bars, that is, uniformly distributed groove passages formed on the outer surfaces of the inner sleeve and the round steel bars, and uniformly distributed groove passages formed on the inner surface of the outer sleeve and the inner sleeve. The utility model can meet the retailoring pressure requirements of the reduction furnace, and helps to prolong the service life of the spray gun.
Description
Technical field
The utility model belongs to the molten pool melting technology field of non-ferrous metal metallurgy industry, relates to a kind of plumbous reduction furnace air feeder of smelting that is used for, and relates in particular to a kind of giving in the stove on the one hand by the reduction spray gun heat is provided, and guarantees the temperature of furnace charge; What feed on the other hand has a reducing gas, not only furnace charge is stirred, and helps the heat transmission of material, and to the reduction spray gun of the favourable reduction furnace of reduction reaction.
Background technology
Number of patent application ZL200720152994.4, name is called the utility application of " being used for liquid high lead slag reductive bottom blowing molten bath reduction furnace ", a kind of heat that provides in stove continuously is provided its core technology equipment reduction furnace, furnace charge is stirred the reduction spray gun that favourable reduction reaction is carried out.This reduction furnace belongs to the NEW Pb smelting device, and the matching component of this stove----reduction spray gun also needs exploitation on probation.The structure of the oxygen rifle that the at present domestic oxygen bottom blowing that has been applied to plumbous metallurgy industry production is used can be used as reference.But what the oxygen rifle fed is oxygen, nitrogen G﹠W, can not satisfy the needs of reduction furnace, and tolerance, air pressure etc. also are unsuitable for reduction furnace.The used spray gun of reduction section of external Q.S.L stove sprays into oxygen, nitrogen, water, pressurized air and fine coal in stove, though can satisfy the reduction furnace needs, feed many, the complex structure, not easy to operate of gaseous species, but also need be from external introduction expense costliness.
Summary of the invention
The purpose of this utility model is to provide a kind of reduction spray gun of reduction furnace, makes it not only provide heat to reduction furnace continuously, and furnace charge is stirred, and favourable reduction reaction is carried out, and satisfies the needs of reduction furnace.
The round steel that the purpose of this utility model is achieved in that the sleeve pipe that comprises two different inner diameters, is fitted together with the sleeve combination of this different inner diameters, it is characterized in that: the sleeve pipe of two different inner diameters is inner sleeve and outer tube, is being provided with passage between inner sleeve and the outer tube and between inner sleeve and the round steel.
Described passage is meant and has uniform gutter channel on the outside surface of inner sleeve and round steel.
Described passage is meant and has uniform gutter channel on the internal surface of outer tube and inner sleeve.
The passage that is provided with between inner sleeve and round steel is an oxygen channel, and oxygen pressure is 0.5-1.5MPa.
The passage that is provided with between inner sleeve and outer tube is the Sweet natural gas passage, and gas pressure is 0.5-1.5Mpa.
The utlity model has following advantage:
1, the gas passage of gun design adopts tiny plough groove type structure, guarantee that gas can become a plurality of tiny gas bundles, these gas bundles spray into melt with high speed, can carry out vigorous stirring to melt, do not cause the melt vigorous splash during again, and avoid melt to stop up gas passage.
2, the logical oxygen of spray gun internal layer, outer logical Sweet natural gas makes oxygen and Sweet natural gas just can react from spray gun ejection back, not only provides heat to melt, and effectively reduces the oxygenizement of oxygen to lead; Oxygen also with the molten bath in carbon granule reaction, not only to the molten bath heat supply, the CO of generation also is a reductive agent; The split product of Sweet natural gas and Sweet natural gas, Sweet natural gas and oxygen products of incomplete combustion all are reductive agents; These reductive agents are all very favourable to reduction reaction.
3, the outer logical Sweet natural gas gas of spray gun can also play cooling effect to spray gun, does not need the design specialized cooled gas path, has optimized spray gun structure, does not adopt other cooling gas, and also corresponding cutting down the consumption of energy reduced running cost.
Description of drawings
Fig. 1 is a horizontal section synoptic diagram of the present utility model.
Fig. 2 is a longitudinal profile synoptic diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises Sweet natural gas passage 1, oxygen channel 2, outer tube 3, inner sleeve 4 and round steel 5, by outer tube 3, inner sleeve 4 and round steel 5 combinations are fitted together, be provided with gas passage between inner sleeve 4 and the outer tube 3 and between inner sleeve 4 and the round steel 5, passage is the Sweet natural gas passage between inner sleeve 4 and the outer tube 3, be oxygen channel between inner sleeve 4 and the round steel 5, Sweet natural gas passage 1 and oxygen channel 2 are uniform gutter channel, process respectively on the outside surface of inner sleeve 4 and round steel 5, or processing is on the internal surface of outer tube 3 and inner sleeve 4.
From the oxygen of oxygen channel 2 feeding 0.5-1.5Mpa, feed the Sweet natural gas of 0.5-1.5Mpa from Sweet natural gas passage 1; When oxygen and Sweet natural gas leave spray gun and enter the furnace high-temperature melt, multiple reaction takes place, reaction heat is kept reduction furnace institute heat requirement, and high pressure gas carry out violent stirring to furnace charge simultaneously.Reaction produces multiple reducing substances and makes interior easier the finishing of reduction reaction of reduction furnace.
Claims (5)
1, a kind of reduction spray gun of reduction furnace, the round steel that comprises the sleeve pipe of two different inner diameters, is fitted together with the sleeve combination of this different inner diameters, it is characterized in that: the sleeve pipe of two different inner diameters is inner sleeve (4) and outer tube (3), is being provided with passage between inner sleeve (4) and the outer tube (3) and between inner sleeve (4) and the round steel (5).
2, the reduction spray gun of reduction furnace according to claim 1 is characterized in that: described passage is meant on the outside surface of inner sleeve (4) and round steel (5) and has uniform gutter channel.
3, the reduction spray gun of reduction furnace according to claim 1 is characterized in that: described passage is meant on the internal surface of outer tube (3) and inner sleeve (4) and has uniform gutter channel.
4, the reduction spray gun of reduction furnace according to claim 1 is characterized in that: the passage that is provided with between inner sleeve (4) and round steel (5) is an oxygen channel, and oxygen pressure is 0.5-1.5MPa.
5, the reduction spray gun of reduction furnace according to claim 1 is characterized in that: the passage that is provided with between inner sleeve (4) and outer tube (3) is the Sweet natural gas passage, and gas pressure is 0.5-1.5Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200883625U CN201343564Y (en) | 2009-01-20 | 2009-01-20 | Reduction spray gun for reduction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200883625U CN201343564Y (en) | 2009-01-20 | 2009-01-20 | Reduction spray gun for reduction furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201343564Y true CN201343564Y (en) | 2009-11-11 |
Family
ID=41275147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200883625U Expired - Lifetime CN201343564Y (en) | 2009-01-20 | 2009-01-20 | Reduction spray gun for reduction furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201343564Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931789A (en) * | 2015-12-30 | 2017-07-07 | 江西瑞林稀贵金属科技有限公司 | top-blown spray gun |
-
2009
- 2009-01-20 CN CNU2009200883625U patent/CN201343564Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931789A (en) * | 2015-12-30 | 2017-07-07 | 江西瑞林稀贵金属科技有限公司 | top-blown spray gun |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091111 |