CN206143242U - Rotation oxygen side blown converter - Google Patents
Rotation oxygen side blown converter Download PDFInfo
- Publication number
- CN206143242U CN206143242U CN201621007435.XU CN201621007435U CN206143242U CN 206143242 U CN206143242 U CN 206143242U CN 201621007435 U CN201621007435 U CN 201621007435U CN 206143242 U CN206143242 U CN 206143242U
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- Prior art keywords
- cylinder
- oxygen
- blown converter
- swinging
- barrel
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Abstract
The utility model discloses a rotation oxygen side blown converter, include: the chassis, the barrel, this barrel has the cylinder of flame retardant coating for inside, thus low its axial lead of its one end senior one end and horizontal plane have 2~30 contained angle, and simultaneously, this barrel left end seals, the right -hand member is equipped with the furnace gate mouth, and the furnace gate mouth is equipped with the furnace gate to and, rotatable this chassis that is located of this barrel, the tapping hole, the charge door, the oxygen rifle, bottom blowing gas supply component, lie in when smelting the station when the barrel, this tapping hole lies in the rear portion lateral wall of this barrel, and this charge door lies in the top lateral wall of this barrel, and this charge door lies in the lateral wall of this barrel higher tip, and the oxygen rifle lies in the anterior lateral wall of this barrel, and bottom blowing gas supply component lies in the lower part lateral wall of this barrel. The utility model has the advantages that: the steelmaking cost is lower, and convenient operation.
Description
Technical field
The present invention relates to steel-smelting device technical field, more particularly, to a kind of swinging oxygen side blown converter.
Background technology
At present, the principal mode of converter has two kinds of oxygen top-blown converter and electric arc furnace.Generally, it is blast-melted by oxygen
Top-blown converter carries out the operation of the metallurgical functions such as desiliconization, decarburization, dephosphorization, or becomes qualified steel through appropriate external refining again
Water.During pure molten iron smelting, the chemical heat produced by oxidation of coal reaction has surplus compared with the heat required for steelmaking process, institute
So that steel scrap can be added as coolant, to reducing energy consumption, it is also possible to reduce steel-making cost.Due to oxygen top-blown converter type of furnace institute
Limit, the steel scrap of addition are generally cold burden, and are mounted in hopper addition, and addition can only account for 15% of metal charge or so.If being further added by giving up
Steel addition, the chemical heat that carbon and oxygen reaction are produced in molten iron will be not enough to maintain to smelt required heat energy.Electric arc furnace is refined
Steel is, with electricity as the energy, can to carry out fusing smelting to full steel scrap.In order to reduce power consumption, also molten iron can be blended into in electric arc furnace,
Strengthen oxygen blast to flux, reduce melting electric consumption.But on the whole, due to electric arc furnace itself the characteristics of, its cost competitiveness is not as turning
Stove is made steel.
With the quickening of world industry process, steel scrap amount in the world is continuously increased every year.In the country of industry prosperity,
Annual steel scrap yield accounts for more than the 50% of year output of steel, at present in China also already close to this ratio.According to current main flow
Steel-making mode, 15% steel scrap can be digested by converter, and 35% steel scrap can be consumed by electric arc furnace.Due to the smelting of electric-arc furnace steelmaking
Refining high cost, no competitive advantage in common steel-making, this has just expedited the emergence of intermediate frequency furnace melting waste steel so as to produce the phenomenon of steel.
As intermediate frequency furnace only has the function of melting waste steel, do not possess the required decarburization of steel-making, dephosphorization, desulfurization, degassing, the smelting such as go to be mingled with
Golden function, so the steel product quality of production is inferior.But the production cost that intermediate frequency furnace is smelted is lower than electric arc furnace, so at present or big
Amount exist, prohibit and it is more than.
The content of the invention
It is an object of the invention to provide a kind of swinging oxygen side blown converter, it has steel-making cost relatively low, and operation side
Just the characteristics of.
The technical solution adopted in the present invention is：
Swinging oxygen side blown converter, the swinging oxygen side blown converter include：
Underframe；
Cylinder, the cylinder is the internal cylindrical shape with flame retardant coating, and the high one end of its one end is low so as to its axial line and level
Face has 2 ~ 30 ° of angle, meanwhile, cylinder left end closing, right-hand member are provided with stove gate, and stove gate is provided with fire door, and, the cylinder
Body is rotatable on the underframe；
Tapping hole；
Charge door；
Oxygen rifle, oxygen rifle are at least 1；
Bottom-blowing air feed element；And
When cylinder is located at smelts station, the tapping hole is located in the rear sidewall of the cylinder；
When cylinder is located at smelts station, the charge door is located on the upper side wall of the cylinder, and the charge door is located at and is somebody's turn to do
On the side wall of a higher end of cylinder；
When cylinder is located at smelts station, oxygen rifle is located on the toe lateral wall of the cylinder；
When cylinder is located at smelts station, bottom-blowing air feed element is located on the lower sides of the cylinder.
The high right-hand member of the cylinder left end is low, and the charge door is located on the side wall of the cylinder left part.
The low right-hand member of the cylinder left end is high, and the charge door is located on the side wall of the cylinder right part.
The cylinder is provided with slag notch, and when cylinder is located at smelts station, the top that the slag notch is located at the cylinder is left
On the wall of portion side.
The axis of the tapping hole and the slag notch is on the same cross section of the cylinder.
The cylinder is rotatably：The underframe is provided with support roller, motor, gear, and the cylinder is provided with backing ring, tooth
Circle, the gear transmission connect the motor, and support roller is compatible with backing ring, gear engagement gear ring.
The gear is by the reductor power connector motor.
The oxygen rifle is supersonic speed oxygen rifle.
The swinging oxygen side blown converter of the present invention is advantageously：
1st, reduce metal charge cost.Reducing oxygen top-blown converter adds steel scrap to be generally cold burden, to give up in the pig iron and weight is
It is main, add in being mounted in hopper in stove, all need to be operated with grate when adding iron and steel cold burden every time, take the duration of heat.The present invention's
Steel scrap after preheating continuously can be added in normal oxygen blast smelting process by swinging oxygen side blown converter, and
Proportion less thin material, the fabulous cost that reduce metal charge are used in a large number can.
2nd, improve steel scrap and enter stove ratio.The steel scrap that oxygen top-blown converter is averagely added accounts for the total iron and steel doses for adding
15% or so, continue to increase the addition of cold burden, the chemical heat that molten steel decarburization is produced then is not enough to the heat energy needs for maintaining to smelt.
The swinging oxygen side blown converter of the present invention continuously adds preheated steel scrap in stove, and steel scrap is last molten in stove
Before change, steel scrap can be made to continue heating in stove, made steel scrap enter stove ratio and increased substantially by second-time burning.
3rd, it is easy to operate.Oxygen top-blown converter thermometric, sampling need the operation of falling stove.The swinging oxygen side-blowing of the present invention turns
Stove can carry out thermometric, sampling operation, extremely convenient from stove gate in converting process simultaneously.
4th, invest less.Oxygen top-blown converter needs a set of coal gas cooling and purifying recovery system, it is desirable to which main building is higher,
Investment is big.The swinging oxygen side blown converter of the present invention is connected with scrap preheater, is directly used in useless after heating gas is burnt
Steel is preheated, and dust pelletizing system is simple.Simultaneously as swinging oxygen side blown converter and scrap preheater adopt horizontally disposed, no
High-rise Factory Building, construction investment is needed significantly to reduce.
5th, simple structure.Oxygen top-blown converter when of falling stove, requires larger tilting moment, and required actuating device is all huger
Greatly.The swinging oxygen side blown converter of the present invention adopts helicoid structure, and rotating torque is little, and the drive mechanism which requires is little
Much.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples：
Fig. 1 is the front view of the swinging oxygen side blown converter of embodiments of the invention 1（Broken section）；
Fig. 2 is A-A direction views of Fig. 1；
Fig. 3 is B-B direction views of Fig. 1；
Fig. 4 is the front view of the swinging oxygen side blown converter of embodiments of the invention 2（Broken section）；
Fig. 5 is the front view of the swinging oxygen side blown converter of embodiments of the invention 3（Broken section）.
In figure：
10th, underframe, 11, support roller, 12, motor, 13, reductor, 14, gear；
20th, cylinder, 21, backing ring, 22, gear ring, 231, stove gate, 232, fire door；
30th, slag notch；
40th, tapping hole；
50th, charge door；
60th, oxygen rifle；
70th, bottom-blowing air feed element；
80th, scrap steel preheating stove, 81, discharging opening；
90th, ladle.
Specific embodiment
Embodiment 1
As shown in Fig. 1 to Fig. 3：Swinging oxygen side blown converter, including：Underframe 10, cylinder 20, slag notch 30, tapping hole
40th, the part such as charge door 50, oxygen rifle 60, bottom-blowing air feed element 70.When in use, the swinging oxygen side blown converter can be with one
Scrap steel preheating stove 80 is used cooperatively, and the scrap steel preheating stove 80 has discharging opening 81.
Wherein：
The cylinder 20 is the internal cylindrical shape with flame retardant coating, can be rolled using steel plate and is welded.The cylinder 20
The low one end in one end is high so as to its axial line and horizontal plane are with 2 ~ 30 ° of angle, it is therefore intended that during tapping, molten steel can go out only.Than
Such as, the angle of the axial line and horizontal plane of the cylinder 20 is 2,5,10,20,30 °.In the present embodiment, the left end of the cylinder 20 is low
Right-hand member is high.Meanwhile, 20 left end of the cylinder closing, right-hand member are provided with stove gate 231, and stove gate 231 is provided with fire door 232.The stove gate
231 can also be provided with door, the door can when slag is overflow by slag water conservancy diversion in slag ladle.And, the 20 rotatable position of cylinder
On the underframe 10.
On the 20 same cross section of cylinder, the cross section is necessarily located at this to the axis of the tapping hole 40 and the slag notch 30
The relatively low one end of cylinder 20.Certainly, when smelting, the tapping hole 40 is necessarily located on liquid steel level.
Oxygen rifle 60 is at least 1, preferably many.The outer end connection source of oxygen of oxygen rifle 60, the inner are extended in the cylinder 20.
Oxygen rifle 60 is preferably with supersonic speed oxygen rifle.
Bottom-blowing air feed element 70 can also be multiple.70 outer end of bottom-blowing air feed element connection inert gas source, the inner extend this
Inside cylinder 20, stirring molten steel effect is played.
More specifically：
When cylinder 20 is located at smelts station, the charge door 50 is located on the side wall of a higher end of the cylinder 20,
The slag notch 30 is located on the top left part side wall of the cylinder 20, and the tapping hole 40 is located in the rear sidewall of the cylinder 20, oxygen
Rifle 60 is located on the toe lateral wall of the cylinder 20, and bottom-blowing air feed element 70 is located on the lower sides of the cylinder 20.That is, tapping hole
40 and oxygen rifle 60 the relative separation in position before and after the cylinder 20 both sides.In the present embodiment, the charge door 50 is located at the cylinder
On the top right part side wall of body 20, and the charge door 50 aligns the discharging opening 81 of the scrap steel preheating stove 80.
Optimization：
The cylinder 20 is rotatably：The underframe 10 is provided with support roller 11, motor 12, gear 14.Support roller 11 is best
It is arranged in pairs.The cylinder 20 is provided with backing ring 21, gear ring 22.Backing ring 21 and gear ring 22 are set in the circumferential surface of the cylinder 20
On.The gear 14 is by 13 power connector of the reductor motor 12.Support roller 11 is compatible with backing ring 21.That is, support roller 11 is by propping up
Bracketing circle 21 and the cylinder 20 is supported, and the cylinder 20 is rotated.Gear 14 engages gear ring 22.That is, the motor
After 12 work, the gear 14 is driven to rotate by the reductor 13, the gear 14 drives the cylinder 20 to rotate by the gear ring 22.
The operation principle of the present invention and operating process：
1st, steel-making is smelted
When swinging oxygen side blown converter cylinder 20 in smelt station when, the charge door 50 and the scrap steel preheating stove 80
Discharging opening 81 it is relative, it is blast-melted to be blended in stove from the stove gate by moving chute, after molten iron has been converted, close the stove
Door 231, opens oxygen rifle 60 and is blown, and the heating gas that reaction between carbon and oxygen is produced enters the scrap steel preheating stove 80 from the charge door 50,
And preheating scrap, the steel scrap and slag charge that uniform temperature is reached after preheating be continuously added in stove, and required for reaching
Addition.As oxygen-supplying amount is continuously increased, molten iron, steel scrap and slag charge carry out in the cylinder 20 desiliconization, decarburization, dephosphorization, degassing,
The a series of chemical reaction such as remove to be mingled with.In smelting process, if slag foamed is serious, slag can be from stove gate 231, and stream is arrived
On slag ladle below the stove gate 231.After liquid steel temperature and composition reach requirement, you can to tap.
When preparing tapping, 60 oxygen feeding stop of oxygen rifle is positioned over ladle 90 below the cylinder 20, rotates the cylinder 20, makes
The tapping hole 40 is moved down and is immersed in molten steel, opens the tapping hole 40, and molten steel can go out in the ladle 90.According to stove
Interior molten steel liquid level, constantly rotates the cylinder 20, the tapping hole 40 is constantly moved down and is persistently tapped.When molten steel goes out only substantially,
And when starting slag, the tapping hole 40 is closed, tapping terminates.
2nd, dross furnace retaining
Molten steel after rolling, from stove gate toward slag in it is uniform spray into dross furnace retaining material, make slag retrogradation, and rotate the cylinder
Body 20, makes slag equably hang over the inwall of the cylinder 20, that is, on furnace wall.After dross terminates, can be by remaining slag
Pour in the slag ladle being positioned over below the cylinder 20 from the slag notch 30 with residual steel, or stove is gone to into smelting station, directly
Being blended into molten iron carries out next stove smelting.
Embodiment 2
With reference to shown in Fig. 4, the difference with embodiment 1 is：The high right-hand member of left end of the cylinder 20 is low.Now, the charge door
50 are located on the side wall of 20 left part of cylinder.
Embodiment 3
With reference to shown in Fig. 5, the difference with embodiment 2 is：Slag notch 30 is not provided with the cylinder 20.Reason is,
In this case, it is only necessary to which stove gate 231 is slightly reduced, you can allow part slag to overflow from stove gate 231.The present embodiment
Swinging oxygen side blown converter is suitable for using in the case that molten steel is less demanding to phosphorus.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the present invention, every utilization is not thereby limited
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (8)
1. swinging oxygen side blown converter, it is characterised in that：The swinging oxygen side blown converter includes：
Underframe（10）；
Cylinder（20）, the cylinder（20）For the internal cylindrical shape with flame retardant coating, the high one end of its one end it is low so as to its axial line and
Horizontal plane has 2 ~ 30 ° of angle, meanwhile, the cylinder（20）Left end closing, right-hand member are provided with stove gate（231）, stove gate（231）
It is provided with fire door（232）, and, the cylinder（20）It is rotatable positioned at the underframe（10）On；
Tapping hole（40）；
Charge door（50）；
Oxygen rifle（60）, oxygen rifle（60）It is at least 1；
Bottom-blowing air feed element（70）；And
Work as cylinder（20）Positioned at smelt station when, the tapping hole（40）Positioned at the cylinder（20）Rear sidewall on；
Work as cylinder（20）Positioned at smelt station when, the charge door（50）Positioned at the cylinder（20）Upper side wall on, and the charging
Mouthful（50）Positioned at the cylinder（20）On the side wall of a higher end；
Work as cylinder（20）Positioned at smelt station when, oxygen rifle（60）Positioned at the cylinder（20）Toe lateral wall on；
Work as cylinder（20）Positioned at smelt station when, bottom-blowing air feed element（70）Positioned at the cylinder（20）Lower sides on.
2. swinging oxygen side blown converter according to claim 1, it is characterised in that：The cylinder（20）The high right-hand member of left end
It is low, the charge door（50）Positioned at the cylinder（20）On the side wall of left part.
3. swinging oxygen side blown converter according to claim 1, it is characterised in that：The cylinder（20）The low right-hand member of left end
Height, the charge door（50）Positioned at the cylinder（20）On the side wall of right part.
4. swinging oxygen side blown converter according to claim 3, it is characterised in that：The cylinder（20）It is provided with and slags tap
Mouthful（30）, work as cylinder（20）Positioned at smelt station when, the slag notch（30）Positioned at the cylinder（20）Top left part side wall on.
5. swinging oxygen side blown converter according to claim 4, it is characterised in that：The tapping hole（40）Slag tap with this
Mouthful（30）Axis in the cylinder（20）On same cross section.
6. swinging oxygen side blown converter according to claim 1, it is characterised in that：The cylinder（20）Rotatable side
Formula is：The underframe（10）It is provided with support roller（11）, motor（12）, gear（14）, the cylinder（20）It is provided with backing ring（21）, gear ring
（22）, the gear（14）The power connector motor（12）, support roller（11）It is compatible with backing ring（21）, gear（14）Engagement gear ring
（22）.
7. swinging oxygen side blown converter according to claim 6, it is characterised in that：The gear（14）Slow down by one
Machine（13）The power connector motor（12）.
8. swinging oxygen side blown converter according to claim 1, it is characterised in that：The oxygen rifle（60）For supersonic speed oxygen
Rifle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621007435.XU CN206143242U (en) | 2016-08-31 | 2016-08-31 | Rotation oxygen side blown converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621007435.XU CN206143242U (en) | 2016-08-31 | 2016-08-31 | Rotation oxygen side blown converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206143242U true CN206143242U (en) | 2017-05-03 |
Family
ID=58618810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621007435.XU Expired - Fee Related CN206143242U (en) | 2016-08-31 | 2016-08-31 | Rotation oxygen side blown converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206143242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106148634A (en) * | 2016-08-31 | 2016-11-23 | 张昌剑 | Swinging oxygen side blown converter |
-
2016
- 2016-08-31 CN CN201621007435.XU patent/CN206143242U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106148634A (en) * | 2016-08-31 | 2016-11-23 | 张昌剑 | Swinging oxygen side blown converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20180831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |