CN220670217U - Novel oxygen rifle that oxygen air utilization is high - Google Patents
Novel oxygen rifle that oxygen air utilization is high Download PDFInfo
- Publication number
- CN220670217U CN220670217U CN202322380912.3U CN202322380912U CN220670217U CN 220670217 U CN220670217 U CN 220670217U CN 202322380912 U CN202322380912 U CN 202322380912U CN 220670217 U CN220670217 U CN 220670217U
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- China
- Prior art keywords
- oxygen
- water
- pipe
- flange pipe
- oxygen lance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 115
- 239000001301 oxygen Substances 0.000 title claims abstract description 115
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 115
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 28
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000000498 cooling water Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 238000003723 Smelting Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Y02P10/20—Recycling
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model discloses a novel oxygen lance with high oxygen air utilization rate, which comprises an oxygen lance, wherein the bottom end of the oxygen lance is rectangular, an air outlet is formed in the bottom end of the oxygen lance, a flange plate is fixedly connected to one end of the oxygen lance far away from the air outlet, a water inlet flange pipe is movably arranged on the top surface of the flange plate, a water inlet elbow pipe is fixedly connected to the outer surface of the water inlet flange pipe, a water outlet flange pipe is movably arranged on the top surface of the water inlet flange pipe, a water outlet elbow pipe is fixedly connected to the outer surface of the water outlet flange pipe, a base is movably arranged on the top surface of the water outlet flange pipe, a lifting appliance is fixedly connected to the top surface of the base, an inner pipe is fixedly connected to the axis of the base, a second spray nozzle is arranged in the inner pipe, a Laval spray nozzle is arranged in the inner pipe, and an inner insertion pipe is movably arranged in the oxygen lance. Through the combination collocation of the device, the problems of single structural form of the oxygen lance and low oxygen air utilization rate are solved, the service life of the oxygen lance is prolonged, the unutilized oxygen is prevented from being directly discharged to the atmosphere, and the cost is saved.
Description
Technical Field
The utility model belongs to the technical field of non-ferrous smelting furnace matching devices, and particularly relates to a novel oxygen lance with high oxygen air utilization rate.
Background
The oxygen lance of the bottom blowing furnace is an important device for smelting nonferrous metals (lead, silver and the like), the performance characteristics of the oxygen lance directly affect the smelting effect and the blowing time, the service life of the oxygen lance has a great influence on the smelting yield, and the service life of the oxygen lance depends on the service life of a sleeve at the head of the oxygen lance.
The oxygen lance in the prior art comprises three parts, namely a lance head, a lance body and a lance tail, wherein the lance tail is used for fixing the oxygen lance on a transmission mechanism and simultaneously introducing cooling water and oxygen, the lance body is used for transmitting the cooling water and the oxygen to the lance head and is a part for feeding the lance head to a working position, and the lance head is used for supplying oxygen to metal in a converter so as to finish smelting of molten steel. The prior art oxygen lance has the advantages of single structural form, short service life of the oxygen lance only up to three days, low oxygen air utilization rate and direct discharge of unutilized oxygen into the atmosphere, thereby causing cost waste.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a novel oxygen lance with high oxygen air utilization rate, and solves the problems that the prior oxygen lance has single structural form, short service life of the oxygen lance only can reach three days, low oxygen air utilization rate and unutilized oxygen can be directly discharged into the atmosphere, so that cost is wasted.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel oxygen rifle that oxygen air utilization is high, includes the oxygen rifle, the bottom of oxygen rifle is the rectangle and has seted up the gas outlet, the inside bottom fixedly connected with reposition of redundant personnel piece of main, the one end fixedly connected with ring flange of gas outlet is kept away from to the oxygen rifle, the top surface movable mounting of flange has a water inlet flange pipe, the surface fixedly connected with return bend that intakes of water inlet flange pipe, the water inlet has been seted up to the axle center department of water inlet flange pipe one end, the top surface movable mounting of water inlet flange pipe has a water outlet flange pipe, the delivery port has been seted up to the axle center department of water outlet flange pipe one end, the top surface movable mounting of water outlet flange pipe has the base, the axle center department fixedly connected with inner tube of base, the air inlet has been seted up to the axle center department of the inner tube other end, the inside of inner tube is provided with the second shower nozzle, the inside of inner tube is provided with the Laval shower nozzle, the inside movable mounting of oxygen rifle has the intubate.
Preferably, the bolt holes are formed in the circumference of the two ends of the water outlet flange pipe, bolts are movably mounted in the bolt holes, one ends of the bolts penetrating the water outlet flange pipe are fixedly mounted on the opposite sides of the water inlet flange pipe, and the other ends of the water outlet flange pipe are fixedly mounted on the opposite sides of the base through the bolts.
By adopting the technical scheme, the oxygen lance has the advantages that new accessories can be timely replaced after the service time of the water outlet flange pipe is too long, and the oxygen lance can be conveniently and cleanly detached when not working, so that the service life of the oxygen lance is prolonged.
Preferably, the nitrogen sealing device is fixedly arranged on the outer surface of the oxygen lance.
By adopting the technical scheme, the nitrogen sealing device has the advantages that the threshold value of the internal pressure can be set through the nitrogen sealing device, and when the internal pressure exceeds the threshold value, the nitrogen sealing device exhausts to prevent the oxygen lance from being broken due to overlarge pressure.
Preferably, a Laval nozzle is arranged in the inner tube, and a second nozzle is arranged at the lower end of the Laval nozzle.
By adopting the technical scheme, the secondary acceleration ensures that the oxygen is sprayed out from the air outlet faster, so that the oxygen is mixed with the internal molten iron more fully, and the waste of the oxygen is effectively reduced.
Preferably, the top surface of base fixedly connected with hoist.
By adopting the technical scheme, the device has the advantages that the whole structure is more stable, and the operation of workers is convenient
Preferably, the bottom of the oxygen lance is rectangular and provided with air outlets, and the number of the air outlets is at least three.
By adopting the technical scheme, the air refining device has the advantages of wider air refining range, higher efficiency and time cost reduction.
Compared with the prior art, the utility model has the beneficial effects that:
1. through Laval nozzle, second grade shower nozzle and the gas outlet that set up, the second grade is accelerated and is made oxygen from gas outlet blowout speed faster, makes oxygen more abundant with inside molten iron mixture, and the waste of effectual reduction oxygen, a plurality of shower nozzles make the area of converting bigger, and the time of converting is shorter, and molten iron oxidation is more even.
2. Through the ring flange that sets up, the flange pipe that intakes, play water flange pipe and top surface flange, can in time change new accessory after producing damaged or the jam at play water flange pipe and water flange pipe because of using for a long time, also can split more convenient clean inside when not working, extension oxygen rifle's life.
3. Through the nitrogen sealing device that sets up, can set up the threshold value of inside pressure through the nitrogen sealing device, when inside pressure exceeded this threshold value, nitrogen sealing device exhaust, prevents inside oxygen rifle fracture because of the pressure is too big.
Drawings
FIG. 1 is a schematic front perspective view of the present utility model;
FIG. 2 is a schematic diagram of the axial cross-sectional structure of the present utility model;
FIG. 3 is a schematic diagram of an enlarged jet module at A according to the present utility model;
in the figure: 1. an oxygen lance; 2. an air outlet; 3. a bolt; 4. a flange plate; 5. an air inlet; 6. an inner tube; 7. a lifting appliance; 8. a water outlet elbow; 9. a water outlet flange pipe; 10. a water inlet elbow; 11. a water inlet flange pipe; 12. a nitrogen seal device; 13. a base; 14. a shunt block; 15. an inner cannula; 16. laval nozzle; 17. a second spout; 18. a water outlet; 19. a water inlet; 20. bolt holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present utility model, are within the scope of the present utility model.
As shown in fig. 1-3, a novel oxygen lance with high oxygen air utilization rate comprises an oxygen lance 1, the bottom of the oxygen lance 1 is rectangular, an air outlet 2 is formed in the bottom end of the oxygen lance 1, a diversion block 14 is fixedly connected to the bottom end of the main interior, one end of the oxygen lance 1, which is far away from the air outlet 2, is fixedly connected with a flange plate 4, a water inlet flange pipe 11 is movably mounted on the top surface of the flange plate 4, a water inlet 19 is formed in the axial center of one end of the water inlet flange pipe 10, a water outlet flange pipe 9 is movably mounted on the top surface of the water inlet flange pipe 11, a water outlet 18 is formed in the axial center of one end of the water outlet flange pipe 9, a base 13 is movably mounted on the top surface of the water outlet flange pipe 9, an inner pipe 6 is fixedly connected to the axial center of the base 13, an air inlet 5 is formed in the axial center of the other end of the inner pipe 6, a second nozzle 17 is formed in the inner pipe 6, a laval nozzle 16 is arranged in the inner part of the inner pipe 6, and an inner insertion pipe 15 is movably mounted in the inner part of the oxygen lance 1.
The working principle of the technical scheme is as follows: when a worker starts to operate, firstly, the lifting appliance 7 is fixed on a fixed guide rail, the water outlet 18 of the water outlet elbow 8 is connected to external equipment, the water inlet 19 of the water inlet elbow 10 is connected to a water tank, the air inlet 5 of the inner pipe 6 is connected with a high-pressure oxygen tank, the oxygen lance 1 starts to work, oxygen enters the oxygen lance 1 from the air inlet 5, after reaching the first-level acceleration of the Laval nozzle 16 through the inner pipe 6, the oxygen is secondarily accelerated through the second nozzle 17, and is shunted through the shunting block 14, the cooling water is sprayed out of the air outlet 2, the water inlet elbow 10 and the water outlet elbow 8 circulate cooling water in the oxygen lance 1, the service life of the oxygen lance 1 is prolonged by the cooling nozzle, the nitrogen sealing device 12 can timely discharge pressure when the internal pressure reaches a threshold value, the oxygen lance 1 is prevented from being damaged due to overlarge internal pressure, when the oxygen lance 1 is damaged, the damaged part can be disassembled by rotating the bolt 3, the replacement spare parts continue to work, and then the damaged part can be checked to see whether the repair can be performed. Through the combination and collocation of the device, the problems of single structural form and low oxygen air utilization rate of the oxygen lance 1 are solved, and meanwhile, the problem of cost waste caused by directly discharging the unused oxygen into the atmosphere is avoided.
In another embodiment, as shown in fig. 1-2, the two ends of the water outlet flange pipe 9 are provided with bolt holes 20 in circumference, the inside of the bolt holes 20 is movably provided with bolts 3, one end of the bolt 3 penetrating through the water outlet flange pipe 9 is fixedly arranged on the opposite side of the water inlet flange pipe 11, and the other end of the water outlet flange pipe 9 is fixedly arranged on the opposite side of the base 13 through the bolts 3.
The water outlet flange pipe 9 can be replaced with new fittings in time after the service time is too long, and the water outlet flange pipe can be detached when not working, so that the inside of the oxygen lance 1 is more convenient to clean, and the service life of the oxygen lance is prolonged.
In another embodiment, as shown in FIG. 1, the outer surface of lance 1 is fixedly mounted with nitrogen seal 12.
The nitrogen sealing device 12 can set a threshold value of the internal pressure, and when the internal pressure exceeds the threshold value, the nitrogen sealing device 12 exhausts to prevent the oxygen lance 1 from being broken due to the excessive pressure.
In another embodiment, as shown in fig. 1, the top surface of the base 13 is fixedly connected with a lifting appliance 7.
The whole structure is more stable, and the operation of workers is convenient.
In another embodiment, as shown in fig. 1, the bottom end of the oxygen lance 1 is rectangular and is provided with air outlets 2, and the number of the air outlets 2 is at least three.
The blowing range is wider, the efficiency is higher, and the time cost is reduced.
In another embodiment, as shown in fig. 2-3, the interior of the inner tube is provided with a laval nozzle, the lower end of which is provided with a second spout.
The secondary acceleration makes the oxygen jet out from the gas outlet faster, makes oxygen and inside molten iron mix more abundant, and the waste of effectual reduction oxygen.
The working principle and the using flow of the utility model are as follows: when a worker starts to operate, firstly, the lifting appliance 7 is fixed on a fixed guide rail, the water outlet 18 of the water outlet elbow 8 is connected to external equipment, the water inlet 19 of the water inlet elbow 10 is connected to a water tank, the air inlet 5 of the inner pipe 6 is connected with a high-pressure oxygen tank, the oxygen lance 1 starts to work, oxygen enters the oxygen lance 1 from the air inlet 5, after reaching the first-level acceleration of the Laval nozzle 16 through the inner pipe 6, the oxygen is secondarily accelerated through the second nozzle 17, and is shunted through the shunting block 14, the cooling water is sprayed out of the air outlet 2, the water inlet elbow 10 and the water outlet elbow 8 circulate cooling water in the oxygen lance 1, the service life of the oxygen lance 1 is prolonged by the cooling nozzle, the nitrogen sealing device 12 can timely discharge pressure when the internal pressure reaches a threshold value, the oxygen lance 1 is prevented from being damaged due to overlarge internal pressure, when the oxygen lance 1 is damaged, the damaged part can be disassembled by rotating the bolt 3, the replacement spare parts continue to work, and then the damaged part can be checked to see whether the repair can be performed. Through the combination and collocation of the device, the problems of single structural form and low oxygen air utilization rate of the oxygen lance 1 are solved, and meanwhile, the problem of cost waste caused by directly discharging the unused oxygen into the atmosphere is avoided.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel oxygen rifle that oxygen air utilization is high, includes oxygen rifle (1), its characterized in that: the utility model provides a draw-in pipe, including oxygen rifle (1), gas outlet (2) have been seted up to the bottom of oxygen rifle (1) be the rectangle, inside bottom fixedly connected with reposition of redundant personnel piece (14) of oxygen rifle (1), one end fixedly connected with ring flange (4) of gas outlet (2) are kept away from to oxygen rifle (1), top surface movable mounting of ring flange (4) has into water flange pipe (11), the surface fixedly connected with of water flange pipe (11) advances water return bend (10), water inlet (19) have been seted up in the axle center department of the water return bend (10) other end, the top surface movable mounting of water flange pipe (11) has out water flange pipe (9), the axle center department of water flange pipe (8) other end has been seted up delivery port (18), the top surface movable mounting of water flange pipe (9) has base (13), the axle center department fixedly connected with inner tube (6) of base (13), the axle center department of the inner tube (6) other end has seted up air inlet (5), the inside of inner tube (6) has water inlet (9), the top surface movable mounting of water flange pipe (9) has out water flange pipe (8) outlet (8), the inside of water flange pipe (8) has (16), the inside shower nozzle (1).
2. The novel oxygen lance with high oxygen air utilization rate according to claim 1, wherein: the two ends of the water outlet flange pipe (9) are provided with bolt holes (20) in the circumference, bolts (3) are movably mounted in the bolt holes (20), one end of the bolt (3) penetrates through the water outlet flange pipe (9) and is fixedly mounted on the opposite side of the water inlet flange pipe (11), and the other end of the water outlet flange pipe (9) is fixedly mounted on the opposite side of the base (13) through the bolts (3).
3. The novel oxygen lance with high oxygen air utilization rate according to claim 1, wherein: the outer surface of the oxygen lance (1) is fixedly provided with a nitrogen sealing device (12).
4. The novel oxygen lance with high oxygen air utilization rate according to claim 1, wherein: the inner pipe (6) is internally provided with a Laval nozzle (16), and the lower end of the Laval nozzle (16) is provided with a second nozzle (17).
5. The novel oxygen lance with high oxygen air utilization rate according to claim 1, wherein: the top surface of base (13) fixedly connected with hoist (7).
6. The novel oxygen lance with high oxygen air utilization rate according to claim 1, wherein: the bottom of the oxygen lance (1) is provided with air outlets (2) in a circumference manner, and the number of the air outlets (2) is at least three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322380912.3U CN220670217U (en) | 2023-09-04 | 2023-09-04 | Novel oxygen rifle that oxygen air utilization is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322380912.3U CN220670217U (en) | 2023-09-04 | 2023-09-04 | Novel oxygen rifle that oxygen air utilization is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220670217U true CN220670217U (en) | 2024-03-26 |
Family
ID=90333149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322380912.3U Active CN220670217U (en) | 2023-09-04 | 2023-09-04 | Novel oxygen rifle that oxygen air utilization is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220670217U (en) |
-
2023
- 2023-09-04 CN CN202322380912.3U patent/CN220670217U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 406, Building 17, Beihang Science and Technology Park, No. 77 Aerospace Road, High tech Zone, Yantai City, Shandong Province, 264003 Patentee after: Shandong Ruisheng Mining and Metallurgical Development Co.,Ltd. Country or region after: China Address before: Room 406, Building 17, Beihang Science and Technology Park, No. 77 Aerospace Road, High tech Zone, Yantai City, Shandong Province, 264003 Patentee before: Shandong Ruisheng Mining Co.,Ltd. Country or region before: China |