CN109182654A - A kind of self-action Air blowing stick for liquid bottom blow - Google Patents
A kind of self-action Air blowing stick for liquid bottom blow Download PDFInfo
- Publication number
- CN109182654A CN109182654A CN201811231936.XA CN201811231936A CN109182654A CN 109182654 A CN109182654 A CN 109182654A CN 201811231936 A CN201811231936 A CN 201811231936A CN 109182654 A CN109182654 A CN 109182654A
- Authority
- CN
- China
- Prior art keywords
- air blowing
- fixed column
- bottom blow
- liquid bottom
- blowing stick
- 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.)
- Pending
Links
- 238000007664 blowing Methods 0.000 title claims abstract description 36
- 239000007788 liquid Substances 0.000 title claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 26
- 239000010935 stainless steel Substances 0.000 claims abstract description 26
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000805 Pig iron Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/072—Treatment with gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a kind of self-action Air blowing sticks for liquid bottom blow, the Air blowing stick of liquid bottom blow is successively arranged stainless steel bolt from the inside to the outside, steel bushing, ceramic base, the Air blowing stick upper end of liquid bottom blow is equipped with upper fastening nut, the Air blowing stick lower end of liquid bottom blow is equipped with lower fastening nut, the Air blowing stick lower end of the liquid blow is equipped with the limiting plate for the cooperation that offsets with lower fastening nut, the steel bushing, ceramic base offsets with the upper end of limiting plate cooperation, the Air blowing stick upper end of liquid bottom blow is equipped with the cross bar of the Air blowing stick for fixer bottom blow, the other end of the cross bar is equipped with the driving device for being secured to setting, the driving device can not only make on cross bar, lower reciprocating motion, and 360 ° of cross bar can be made to move around driving device.Play the role of that uniform molten steel, structure are simple, space occupied is small, are able to ascend working efficiency the object of the present invention is to provide a kind of automatic control Air blowing stick, and the self-action Air blowing stick of the liquid bottom blow to save human and material resources.
Description
Technical field
The present invention relates to steelmaking technical fields, and in particular to a kind of self-action Air blowing stick for liquid bottom blow.
Background technique
Steel-making refers to control carbon content (generally less than 2%), eliminates the harmful elements such as P, S, O, N, retain or increase Si,
The beneficial elements such as Mn, Ni, Cr simultaneously adjust the ratio between element, obtain optimum performance.
The pig iron is put into converter by certain device melting to get to steel.The product of steel have steel ingot, continuous casting billet and directly
Cast various steel castings etc..The steel usually said generally refers to the steel for being rolled into various steel.
Blowning installation is a kind of by oxygen, hydrogen feeding stove, dispels the harmful elements such as C, S in furnace.
General ordinary blowning installation needs that artificially device is sent into furnace body, because human body is closer apart from furnace body at this time, easily
It causes danger, and the height of blowning installation is generally higher than people and its heavier-weight, manual operation are inconvenient.
Summary of the invention
Play the role of that uniform molten steel, structure be simple, land occupation the object of the present invention is to provide a kind of automatic control Air blowing stick
Space is small, is able to ascend working efficiency, and the self-action Air blowing stick of the liquid bottom blow to save human and material resources.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of self-action Air blowing stick for liquid bottom blow, it is characterised in that: Air blowing stick, driving dress including liquid bottom blow
It sets, the Air blowing stick of liquid bottom blow includes columned stainless steel bolt, and the upper end of the stainless steel bolt is equipped with revolves with it
The upper fastening nut of tight fit, the lower end of the stainless steel bolt are equipped with the lower fastening nut that cooperation is screwed with it.
The stainless steel bolt lower end is equipped with limiting plate, and the limiting plate upper end is equipped with the first limit hole, the limit
Position pedestal lower end is equipped with the second limit hole being connected to the first limit hole, and the second limit bore dia is greater than the first limit hole
Diameter.
Since diameter is differently formed limit ladder, the limiting plate set between first limit hole and the second limit hole
It connects in stainless steel bolt lower end, the upper end of the limit ladder and lower fastening nut offsets cooperation.
Steel bushing is equipped on the outside of the stainless steel bolt, the steel bushing is socketed on stainless steel bolt, make the lower end of steel bushing with
The upper end of limiting plate offsets cooperation.
The steel bushing outer wall is equipped with the ceramic protective bulkhead that cooperation is socketed with it, the ceramics protective bulkhead lower end and limiting plate
Upper end offsets cooperation.
The air flue being arranged along upper and lower direction is equipped with inside the steel bushing, the ceramic wall bottom side of the wall is equipped with stomata, described
Stomata passes through steel bushing and is connected to the lower end of air flue, and the upper end of air flue is air inlet.
The driving device includes spud pile, motor, and the spud pile is arranged along the vertical direction, and the spud pile lower end is outstanding
Sky setting, the motor are socketed in spud pile upper end.
The motor is equipped with rotation axis, and the rotation axis is equipped with first gear, and the spud pile upper end is equipped with and it
Fixed setting interior fixed column, the interior fixed column outer wall be equipped with external screw thread, the interior fixed column upper end be equipped with coaxially and
The idle running column being fixedly connected, the idle running column diameter are less than interior fixed column.
The interior fixed column is equipped with the second gear being mutually rotatably assorted with it, the second gear and first gear phase
Mutually engagement.
The outside of the spud pile is equipped with the outer fixed column of setting with interval, and the outer fixed column outer wall is equipped with outer spiral shell
Line, the outer fixed column upper end are hingedly arranged with motor, and lower end and ground offset cooperation, and affiliated outer fixed column upper end is equipped with and it
The third gear of fixed setting, the third gear and first gear are intermeshed.
It further include fixing sleeve, the fixing sleeve is socketed on spud pile, and the two sides of the outer fixed column are respectively provided with an edge
The clamping plate of vertical direction setting, the opposite side of the clamping plate are equipped with the mutually matched internal screw thread of external screw thread with outer fixed column,
The side of the clamping plate is fixedly connected with fixing sleeve, and other side is equipped with the mounting base for being secured to setting, in the mounting base
Equipped with several first mounting holes.
It further include cross bar, the cross bar is equipped with the second mounting hole, the stainless steel bolt of the Air blowing stick of liquid bottom blow
The second mounting hole is injected, makes fastening nut lower end and cross bar upper end offsets cooperation.
One end of the cross bar is equipped with mounting plate, and the mounting plate is equipped with several thirds matched with the first mounting hole
Bolt is equipped in mounting hole, first mounting hole and third mounting hole fixes it.
The present invention is further arranged to, be equipped between the spud pile and ground several diameters it is not equal stablize reinforcement
The diameter of disk, the stable stopping-off piece is sequentially reduced setting from bottom to up, if the stopping-off piece and ground pass through bolt stem and spiral shell
Keyhole is fixed, and stablizing stopping-off piece material iron can be used to be made.
The present invention is further arranged to, and the outer fixed column lower end is equipped with opening up collecting tank, the collecting tank
Bottom is equipped with third limit hole, and the third limit hole inner wall is equipped with the mutually matched internal screw thread of external screw thread with outer fixed column.
Beneficial effects of the present invention:
(1) a kind of liquid bottom blow self-action Air blowing stick provided by the invention, can automatically control Air blowing stick height, angle, knot
Structure is simple, space occupied is small, is able to ascend working efficiency, and saves human and material resources.
(2) driving device designed by the present invention can not only be such that Air blowing stick rotates around 360 ° of spud pile, and can drive
Cross bar moves back and forth Air blowing stick along upper and lower direction, avoids artificial limitation, increases the quantity of smelting furnace in unit area
It is more, avoid the waste in space.
(3) several stable stopping-off pieces designed by the present invention, can increase the contact area on spud pile and ground, make the device
It is more stable, and it is fabricated from iron, and since iron density is larger, increases the quality of stable stopping-off piece, makes the center of gravity of whole device
It moves down, to increase stability.
(4) collecting tank designed by the present invention, it is biggish due to being also easy to produce when the work of the clamping plate of outer fixed column and its two sides
Frictional force, defective work piece or influences its service life, therefore duration is needed to add lubricating oil, and lubricating oil is since the effect of gravity is to flowing down
Into collecting tank, it is avoided that waste, be not left in influences environment on the ground.
Detailed description of the invention
One of Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the enlarged drawing in left side in Fig. 1；
Fig. 3 is the partial enlarged view of A in Fig. 2；
Fig. 4 is the partial enlarged view of B in Fig. 2；
Fig. 5 is the structural schematic diagram of each gear in motor；
Fig. 6 is the structural schematic diagram of outer fixed column and collecting tank；
Fig. 7 is clamping plate, outer fixed column, spud pile, the mutually matched structural schematic diagram of fixing sleeve.
Wherein: 1- stainless steel bolt；The upper fastening nut of 2-；Fastening nut under 3-；4- limiting plate；The first limit hole of 5-；
The second limit hole of 6-；7- limits ladder；8- steel bushing；9- ceramics protective bulkhead；10- air flue；11- stomata；12- air inlet；13- is fixed
Stake；14- motor；15- rotation axis；16- first gear；Fixed column in 17-；18- idle running column；19- second gear；It is fixed outside 20-
Column；21- third gear；22- fixing sleeve；23- clamping plate；24- cross bar；25- mounting plate；26- stablizes stopping-off piece；27- collecting tank；
28- limit hole；The gap that the two neighboring segmented ceramics protective bulkhead of 29- is formed by；30- mounting base.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Below with reference to Fig. 1 to Fig. 7, the present invention will be described.
A kind of self-action Air blowing stick for liquid bottom blow, Air blowing stick, driving device including liquid bottom blow, the liquid bottom
The Air blowing stick of blow includes columned stainless steel bolt 1, and the upper end of the stainless steel bolt 1, which is equipped with, screws the upper of cooperation with it
Fastening nut 2, the lower end of the stainless steel bolt 1 are equipped with the lower fastening nut 3 that cooperation is screwed with it.
1 lower end of stainless steel bolt is equipped with limiting plate 4, and 4 upper end of limiting plate is equipped with the first limit hole 5, institute
It states 4 lower end of limiting plate and is equipped with the second limit hole 6 being connected to the first limit hole 5,6 diameter of the second limit hole is greater than first
The diameter of limit hole 5.
Since diameter is differently formed limit ladder 7, the limit bottom between first limit hole 5 and the second limit hole 6
Seat 4 is socketed in 1 lower end of stainless steel bolt, and the upper end of the limit ladder 7 and lower fastening nut 3 offsets cooperation.
Steel bushing 8 is equipped on the outside of the stainless steel bolt 1, the steel bushing 8 is socketed on stainless steel bolt 1, makes under steel bushing 8
End and the upper end of limiting plate 4 offset cooperation.
8 outer wall of steel bushing is equipped with the ceramic protective bulkhead 9 that cooperation is socketed with it, ceramics 9 lower end of protective bulkhead and limit
4 upper end of pedestal offsets cooperation.
The air flue 10 being arranged along upper and lower direction is equipped with inside the steel bushing 8, the ceramic wall bottom side of the wall is equipped with stomata
11, the stomata 11 passes through steel bushing 8 and is connected to the lower end of air flue 10, and the upper end of air flue 10 is air inlet 12.
The driving device includes spud pile 13, motor 14, and the spud pile 13 is arranged along the vertical direction, the spud pile
13 lower ends are connect with ground, and the motor 14 is socketed in 13 upper end of spud pile.
The motor 14 is equipped with rotation axis 15, and the rotation axis 15 is equipped with first gear 16, on the spud pile 13
End is equipped with the interior fixed column 17 for being secured to setting, and interior 17 outer wall of fixed column is equipped with external screw thread, in the interior fixed column 17
End is equipped with the idle running column 18 coaxially and being fixedly connected, and 18 diameter of idle running column is less than interior fixed column 17.
The interior fixed column 17 is equipped with the second gear 19 being mutually rotatably assorted with it, the second gear 19 and first
Gear 16 is intermeshed.
The outside of the spud pile 13 is equipped with the outer fixed column 20 of setting with interval, and outer 20 outer wall of fixed column is equipped with
External screw thread, outer 20 upper end of fixed column and motor 14 are hingedly arranged, and lower end is vacantly arranged, and affiliated outer 20 upper end of fixed column is equipped with
It is secured to the third gear 21 of setting, the third gear 21 is intermeshed with first gear 16.
It further include fixing sleeve 22, the fixing sleeve 22 is socketed on spud pile 13, and the two sides of the outer fixed column 20 are respectively set
There is the clamping plate being arranged along the vertical direction 23, the opposite side of the clamping plate 23 is equipped with mutual with the external screw thread of outer fixed column 20
The side of the internal screw thread of cooperation, the clamping plate 23 is fixedly connected with fixing sleeve 22, and other side is equipped with the peace for being secured to setting
Seat 30 is filled, the mounting base 30 is equipped with several first mounting holes.
It further include cross bar 24, the cross bar 24 is equipped with the second mounting hole, the stainless steel of the Air blowing stick of liquid bottom blow
Bolt 1 injects the second mounting hole, makes 2 lower end of fastening nut and 24 upper end of cross bar offsets cooperation.
One end of the cross bar 24 is equipped with mounting plate 25, and the mounting plate 25 is matched equipped with several with the first mounting hole
Third mounting hole, being equipped with bolt in first mounting hole and third mounting hole fixes it.
The stabilization stopping-off piece 26 of several diameters not etc., the stable stopping-off piece 26 are equipped between the spud pile 13 and ground
Diameter be sequentially reduced setting from bottom to up, if the stopping-off piece is fixed with ground by bolt stem and bolt hole.
20 lower end of outer fixed column is equipped with opening up collecting tank 27, and 27 bottom of collecting tank is equipped with and outer fixation
The mutually matched third limit hole 28 of column 20,28 inner wall of third limit hole are equipped with the external screw thread phase interworking with outer fixed column 20
The internal screw thread of conjunction.
Service condition explanation: when motor 14 rotates forward, first gear 16 drives the third tooth being fixed in outer fixed column 20
21 rotation of wheel, makes Air blowing stick lower into furnace body, and first gear 16 drives second gear 19 to rotate, makes second gear 19 along interior solid
Fixed column 17 moves upwards to dally at arrival idle running column 18；
When motor 14 inverts, first gear 16 drives the third gear 21 being fixed in outer fixed column 20 to rotate, and makes to blow
Gas stick is lifted off furnace body, and first gear 16 drives second gear 19 to rotate, and transports second gear 19 downwards along interior fixed column 17
It is dynamic, when furnace body is left in Air blowing stick lower end (i.e. Air blowing stick lower end be highly greater than furnace body from the ground height), second gear 19 to
Under move to extreme position, so that the rotation of first gear 16 be made to drive outer fixed column 20, make the outer drive of fixed column 20 clamping plate 23
To make Air blowing stick rotate around 13360 ° of spud pile.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, above-mentioned hypothesis these
Improvement and modification also should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of self-action Air blowing stick for liquid bottom blow, it is characterised in that: Air blowing stick, driving dress including liquid bottom blow
It sets, the Air blowing stick of liquid bottom blow includes columned stainless steel bolt, and the upper end of the stainless steel bolt is equipped with revolves with it
The upper fastening nut of tight fit, the lower end of the stainless steel bolt are equipped with the lower fastening nut that cooperation is screwed with it；
The stainless steel bolt lower end is equipped with limiting plate, and the limiting plate upper end is equipped with the first limit hole, the limit bottom
Seat lower end is equipped with the second limit hole being connected to the first limit hole, and the second limit bore dia is greater than the straight of the first limit hole
Diameter；
Since diameter is differently formed limit ladder between first limit hole and the second limit hole, the limiting plate is socketed in
The upper end of stainless steel bolt lower end, the limit ladder and lower fastening nut offsets cooperation；
Steel bushing is equipped on the outside of the stainless steel bolt, the steel bushing is socketed on stainless steel bolt, makes lower end and the limit of steel bushing
The upper end of pedestal offsets cooperation；
The steel bushing outer wall is equipped with the ceramic protective bulkhead that cooperation is socketed with it, the ceramics protective bulkhead lower end and limiting plate upper end
Offset cooperation；
The air flue being arranged along upper and lower direction is equipped with inside the steel bushing, the ceramic wall bottom side of the wall is equipped with stomata, the stomata
It is connected to across steel bushing with the lower end of air flue, the upper end of air flue is air inlet；
The driving device includes spud pile, motor, and the spud pile is arranged along the vertical direction, the spud pile lower end and ground
Connection, the motor are socketed in spud pile upper end；
The motor is equipped with rotation axis, and the rotation axis is equipped with first gear, and the spud pile upper end is equipped with and is secured to
The interior fixed column being arranged, the interior fixed column outer wall are equipped with external screw thread, and the interior fixed column upper end is equipped with coaxially and fixed
The idle running column of connection, the idle running column diameter are less than interior fixed column；
The interior fixed column is equipped with the second gear being mutually rotatably assorted with it, and the second gear is mutually nibbled with first gear
It closes；
The outside of the spud pile is equipped with the outer fixed column of setting with interval, and the outer fixed column outer wall is equipped with external screw thread, institute
It states outer fixed column upper end to be hingedly arranged with motor, lower end is vacantly arranged, and affiliated outer fixed column upper end, which is equipped with, is secured to setting
Third gear, the third gear and first gear are intermeshed；
It further include fixing sleeve, the fixing sleeve is socketed on spud pile, and the two sides of the outer fixed column are respectively provided with one along vertical
The clamping plate of direction setting, the opposite side of the clamping plate is equipped with the mutually matched internal screw thread of external screw thread with outer fixed column, described
The side of clamping plate is fixedly connected with fixing sleeve, and other side is equipped with the mounting base for being secured to setting, and the mounting base is equipped with
Several first mounting holes；
It further include cross bar, the cross bar is equipped with the second mounting hole, and the stainless steel bolt of the Air blowing stick of liquid bottom blow injects
Second mounting hole, makes fastening nut lower end and cross bar upper end offsets cooperation；
One end of the cross bar is equipped with mounting plate, and the mounting plate is equipped with several third installations matched with the first mounting hole
Bolt is equipped in hole, first mounting hole and third mounting hole fixes it.
2. a kind of self-action Air blowing stick for liquid bottom blow according to claim 1, it is characterised in that: the spud pile
The stabilization stopping-off piece that several diameters do not wait is equipped between ground, the diameter of the stable stopping-off piece is sequentially reduced from bottom to up to be set
It sets, if the stopping-off piece is fixed with ground by bolt stem and bolt hole.
3. a kind of self-action Air blowing stick for liquid bottom blow according to claim 1, it is characterised in that: the outer fixation
Column lower end be equipped with opening up collecting tank, the collections trench bottom equipped with the mutually matched third limit hole of outer fixed column,
The third limit hole inner wall is equipped with the mutually matched internal screw thread of external screw thread with outer fixed column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811231936.XA CN109182654A (en) | 2018-10-22 | 2018-10-22 | A kind of self-action Air blowing stick for liquid bottom blow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811231936.XA CN109182654A (en) | 2018-10-22 | 2018-10-22 | A kind of self-action Air blowing stick for liquid bottom blow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109182654A true CN109182654A (en) | 2019-01-11 |
Family
ID=64942577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811231936.XA Pending CN109182654A (en) | 2018-10-22 | 2018-10-22 | A kind of self-action Air blowing stick for liquid bottom blow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109182654A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972515A (en) * | 1974-04-05 | 1976-08-03 | Acieries Reunies De Burbach-Eich-Dudelange S.A. Arbed | Lance for steel smelting |
| JPS6386825A (en) * | 1986-09-30 | 1988-04-18 | Hitachi Metals Ltd | Gas blow pipe |
| CN2035758U (en) * | 1988-06-20 | 1989-04-12 | 昆明钢铁公司 | Self comsuming spray gun |
| CN2076554U (en) * | 1990-06-14 | 1991-05-08 | 昆明西山高铝制品厂 | Integrally combined full consumption type spray lance |
| CN209081924U (en) * | 2018-10-22 | 2019-07-09 | 王子晨 | A kind of self-action Air blowing stick for liquid bottom blow |
-
2018
- 2018-10-22 CN CN201811231936.XA patent/CN109182654A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972515A (en) * | 1974-04-05 | 1976-08-03 | Acieries Reunies De Burbach-Eich-Dudelange S.A. Arbed | Lance for steel smelting |
| JPS6386825A (en) * | 1986-09-30 | 1988-04-18 | Hitachi Metals Ltd | Gas blow pipe |
| CN2035758U (en) * | 1988-06-20 | 1989-04-12 | 昆明钢铁公司 | Self comsuming spray gun |
| CN2076554U (en) * | 1990-06-14 | 1991-05-08 | 昆明西山高铝制品厂 | Integrally combined full consumption type spray lance |
| CN209081924U (en) * | 2018-10-22 | 2019-07-09 | 王子晨 | A kind of self-action Air blowing stick for liquid bottom blow |
Non-Patent Citations (1)
| Title |
|---|
| 徐立军: "《电弧炼钢炉实用工程技术》", 冶金工业出版社, pages: 193 - 198 * |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190111 |
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