CN110055368A - The agitating device of compound desulfurizing iron is stirred in a kind of blowing - Google Patents
The agitating device of compound desulfurizing iron is stirred in a kind of blowing Download PDFInfo
- Publication number
- CN110055368A CN110055368A CN201910407549.5A CN201910407549A CN110055368A CN 110055368 A CN110055368 A CN 110055368A CN 201910407549 A CN201910407549 A CN 201910407549A CN 110055368 A CN110055368 A CN 110055368A
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- Prior art keywords
- powder
- transmission shaft
- tracheae
- powder tracheae
- steel
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 46
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 39
- 238000007664 blowing Methods 0.000 title claims abstract description 25
- 150000001875 compounds Chemical class 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 149
- 230000005540 biological transmission Effects 0.000 claims abstract description 66
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 81
- 239000010959 steel Substances 0.000 claims description 81
- 238000007789 sealing Methods 0.000 claims description 28
- 239000011819 refractory material Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 6
- 102000003691 T-Type Calcium Channels Human genes 0.000 claims description 3
- 108090000030 T-Type Calcium Channels Proteins 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 210000003437 trachea Anatomy 0.000 claims description 2
- 238000006477 desulfuration reaction Methods 0.000 abstract description 11
- 230000023556 desulfurization Effects 0.000 abstract description 9
- 238000003756 stirring Methods 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 30
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 238000013019 agitation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 108091006146 Channels Proteins 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- -1 lifting frame 1 Chemical compound 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 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
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/02—Dephosphorising or desulfurising
-
- 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
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- 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
- C21C7/064—Dephosphorising; Desulfurising
Abstract
The invention discloses the agitating devices that compound desulfurizing iron is stirred in a kind of blowing, including lifting frame, rotary drive system, transmission shaft, stirring-head and powder tracheae, the lifting frame to be driven by lift drive system, can go up and down and lock in vertical direction；The rotary drive system is installed on lifting frame, and the driving end of rotary drive system is connected with transmission shaft；Transmission shaft is arranged vertically, and the lower end of transmission shaft is connected with stirring-head；The powder tracheae is set to the inside of transmission shaft and stirring-head；The entrance of the powder tracheae is connected to desulfurizing agent pulvis supply line, and the outlet of powder tracheae is in communication with the outside.The invention has the benefit that the present invention based on blowing desulfurization, introduces rotation drive device, rotates injection tube, play the function of Gas Stirring, so as to improve molten iron dynamic conditions, desulfurizing agent is made to react more abundant with molten iron, improves the utilization rate of desulfurizing agent.
Description
Technical field
The invention belongs to technical field of hot metal pretreatment, and in particular to the stirring dress of compound desulfurizing iron is stirred in a kind of blowing
It sets.
Background technique
With social development, continuous improvement to steel quality requirements, it is essential that desulfurizing iron has become steel production
One of link.Mechanical agitation desulfuration and blowing desulfurization are two kinds of main methods of current desulfurizing iron: mechanical agitation desulfuration method
It is that the stirring-head of an outer lining refractories is immersed in hot-metal bottle, its rotation is driven by driving device, so that molten iron is stirred,
Promote molten iron and desulfurizing agent that desulphurization reaction occurs, achievees the purpose that desulfurizing iron；This doctor treatment desulfurization effect is good, production cost
Low, short processing time, but hot metal temperature drop is big, iron loss amount is big.Blowing desulfurization method is using high pressure gas as carrier by desulfurization
Agent is sprayed into molten iron by spray gun, and carrier gas is played the role of stirring molten iron simultaneously, is mixed desulfurizing agent and molten iron and is carried out desulfurization；Blowing
Doctor treatment equipment investment expense is low, and hot metal temperature drop is small, and iron loss amount is small, but dynamic conditions is poor, and desulfurizing agent cannot be filled with molten iron
Divide reaction, sorbent utilization is low, and desulfurizing agent unit consumption is at high cost.Therefore, in order to meet the needs of modern production, it is necessary to iron
The method of water desulfurization is further studied.
Summary of the invention
It is an object of the present invention in view of the deficiencies of the prior art, provide a kind of stirring for blowing compound desulfurizing iron of stirring
Mix device.
The technical solution adopted by the present invention are as follows: the agitating device of compound desulfurizing iron, including lifting frame are stirred in a kind of blowing
Frame, rotary drive system, transmission shaft, stirring-head and powder tracheae, the lifting frame are driven by lift drive system, can be vertical
It goes up and down and locks on direction；The rotary drive system is installed on lifting frame, the driving end of rotary drive system and transmission
Axis is connected；Transmission shaft is arranged vertically, and the lower end of transmission shaft is connected with stirring-head；The powder tracheae is set to transmission shaft and stirring-head
Inside, and arranged along the axis direction of the two；The entrance of the powder tracheae is connected to desulfurizing agent pulvis supply line, powder tracheae
Outlet is in communication with the outside.
According to the above scheme, the stirring-head includes blender steel core；Blender steel core upper end is by half catcher and passes
The lower end of moving axis is connected, and the powder tracheae is penetrated from the upper end of transmission shaft, and stretches out the lower end of blender steel core；Blender steel core
Lower part and powder tracheae stretch out blender steel core part it is external be coated with refractory material, set in refractory material and powder tracheae connect
Logical powder gas exit passageway, one end of powder gas exit passageway are connected to powder tracheae, and the other end of powder gas exit passageway and the external world are even
It is logical.In the present embodiment, powder tracheae is two sections, wherein being set to inside transmission shaft is top powder tracheae, is set in blender steel core
It is lower part powder tracheae.
According to the above scheme, powder tracheae is two sections, wherein being set to inside transmission shaft is top powder tracheae, is set to blender steel
In-core is lower part powder tracheae；In lower part, it is logical to be disposed with the opposite powder gas outlet of both direction for the lower end vertical symmetry of powder tracheae
Road, and it is equipped with plug in the lower mouth of powder tracheae, two powder gas exit passageways and lower part powder tracheae form T-type channel, desulfurizing agent powder
Gas is entered by desulfurizing agent powder gas supply line, logical from two powder gas outlets successively after top powder tracheae and lower part powder tracheae
Road sprays.
According to the above scheme, the lifting frame is steel structure frame, is driven by lift drive system；In the lifting frame
If upper layer steel platform and lower layer's steel platform, the rotary drive system are installed in the steel platform of upper layer；The rotary drive system
Rotation including hollow shell type drives decelerating motor, and the rotation driving decelerating motor is installed in the steel platform of upper layer, the biography
Moving axis passes through the hollow sleeve of rotation driving decelerating motor and the two is adapted, rotation driving decelerating motor driving transmission shaft rotation.
According to the above scheme, the transmission shaft is hollow long-shaft type structure, is arranged vertically；Transmission shaft and it is respectively arranged on axis
Hold the bearing adapter in seat and in step, wherein top chock is installed in lower layer's steel platform, and step is set to support
In steel pipe, supporting steel pipe is fixed on the bottom of lower layer's steel platform, and rear and blender steel core is pierced by transmission shaft self-supporting steel pipe
It is connected.
According to the above scheme, the upper end of transmission shaft is equipped with rotary joint, rotary joint include interconnected fixed part and
Movable part, wherein fixed part is connected with desulfurizing agent supply line, and movable part is connected with transmission shaft by connecting bolt, living
Dynamic part can be rotated synchronously with transmission shaft, encapsulation process between the lower mouth and top powder inner surface of trachea of movable part.
According to the above scheme, the lower end of transmission shaft is arranged takes over interior and is keyed with half catcher with half；The lower part of half catcher is logical
Bolt is crossed to be connected with the upper end of blender steel core.
According to the above scheme, the lower part powder tracheae outer wall circumferential direction uniform intervals are alternately equipped with screw-thread steel and anchor plate, and spiral shell
The axis direction of line steel is parallel with the axis direction of lower part powder tracheae；Screw-thread steel and anchor plate are embedded in refractory material in advance,
According to the above scheme, the upper end of lower part powder tracheae sets powder tracheae seal head, sets seal groove in powder tracheae seal head, sealing
Slot medial surface installs sealing ring three, and sealing ring three is used to seal the junction of top powder tracheae Yu lower part powder tracheae
According to the above scheme, sealing plate is set at the top of powder tracheae seal head, the support plate is set on sealing plate；It is described
Sealing plate further seals the junction of top powder tracheae Yu lower part powder tracheae while supporting top powder tracheae.
The invention has the benefit that the present invention based on blowing desulfurization, introduces rotation drive device, revolves injection tube
Turn, play the function of Gas Stirring, so as to improve molten iron dynamic conditions, desulfurizing agent is made to react more abundant with molten iron, improves
The utilization rate of desulfurizing agent；The present invention does not increase stirring blade, hot metal temperature drop loss is minimized, since stirring-head weight does not increase
Add, equipment investment can be saved using more economical more succinct kind of drive driving stirring-head rotation, at the same equipment it is simpler, can
It leans on；Present device input cost is relative to blowing desulfurization device without being significantly increased, and investment return significantly improves, especially suitable
In medium and small tonnage Desulphuring Process of Molten Iron, remarkable in economical benefits.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a specific embodiment of the invention.
Fig. 2 is enlarged drawing at the A in the present embodiment.
Fig. 3 is enlarged drawing at the B in the present embodiment.
Fig. 4 is enlarged drawing at the C in the present embodiment.
Fig. 5 is the D-D cross-sectional view of Fig. 1.
Description of symbols in figure: 1- lifting frame, 2-, which rotates, drives decelerating motor, 3- transmission shaft, the top 4- powder tracheae, on 5-
Portion's bearing block, 6- sealing ring one, 7- supporting steel pipe, 8- bearing, 9- lower bearing seat, 10- half take over, 11- key, 12- blender
Steel core, the lower part 13- powder tracheae, 14- powder gas exit passageway, 15- refractory material, 16- rotary joint, 17- sealing ring two, 18- connect
Connecting bolt, 19- baffle, 20- support plate, 21- sealing plate, 22- powder tracheae seal head, 23- sealing ring three, 24- plug, 25- anchor
Solid plate, 26- screw-thread steel.
Specific embodiment
For a better understanding of the present invention, the present invention is further described in the following with reference to the drawings and specific embodiments.
The agitating device of compound desulfurizing iron, including lifting frame 1, rotation driving are stirred in a kind of blowing as shown in Figure 1
System, transmission shaft 3, stirring-head and powder tracheae, the lifting frame 1 are driven by lift drive system, can be risen in vertical direction
It drops and locks；The rotary drive system is installed on lifting frame 1, and the driving end of rotary drive system is connected with transmission shaft 3；
Transmission shaft 3 is arranged vertically, and the lower end of transmission shaft 3 is connected after passing through lower layer's steel platform with stirring-head；The powder tracheae is set to transmission
The inside of axis 3 and stirring-head, and arranged along the axis direction of the two；The entrance and desulfurizing agent pulvis supply line of the powder tracheae
Connection, the outlet of powder tracheae is in communication with the outside.
Preferably, the stirring-head includes blender steel core 12；The flange of 12 upper end of blender steel core is by partly connecing
Hand 10 is connected with the lower end of transmission shaft 3, and the upper end of powder tracheae from the transmission shaft 3 penetrates, and stretches out under blender steel core 12
End；The part outside that the lower part of blender steel core 12 and powder tracheae stretch out blender steel core 12 is coated with refractory material 15, resistance to
The powder gas exit passageway 14 being connected to powder tracheae is set in fiery material 15, one end of powder gas exit passageway 14 is connected to powder tracheae, powder
The other end of gas exit passageway 14 is in communication with the outside.In the present embodiment, powder tracheae is two sections, wherein being set to inside transmission shaft 3
It is lower part powder tracheae 13 in blender steel core 12 for top powder tracheae 4.
In the present invention, the lifting frame 1 is steel structure frame, is driven by lift drive system, can be according to desulfurizing iron
Technique requirement, is freely lifted and locks in vertical direction, which is the prior art, does not repeat here.The lifting frame 1
Upper layer steel platform and lower layer's steel platform are inside set, the rotary drive system is installed in the steel platform of upper layer；Rotation driving system
System includes that the rotation of hollow shell type drives decelerating motor 2, and the rotation driving decelerating motor 2 is installed in the steel platform of upper layer, institute
The hollow sleeve and the two that transmission shaft 3 is stated across rotation driving decelerating motor 2 are adapted, and rotation driving decelerating motor 2 drives transmission
Axis 3 rotates.
In the present invention, the transmission shaft 3 is hollow long-shaft type structure, is arranged vertically；Transmission shaft 3 and it is respectively arranged on axis
It holds the bearing 8 in 8 and in lower bearing 8 to be adapted to, wherein upper bearing (metal) 8 are installed in lower layer's steel platform, and lower bearing 8 set
In in supporting steel pipe 7, supporting steel pipe 7 is fixed on the bottom of lower layer's steel platform, and after being pierced by 3 self-supporting steel pipe 7 of transmission shaft with
Blender steel core 12 is connected；Dust enters bearing 8 in order to prevent, sets respectively at the both ends of upper bearing seat 5 and lower bearing seat 9
Set sealing ring 1.In the present embodiment, upper bearing seat 5 is connected with lower bearing seat 9 by supporting steel pipe 7, common fixed
In lower layer's steel platform of lifting frame 1, the support (as shown in Figure 1) to transmission shaft 3 is realized.The upper end of transmission shaft 3 is equipped with rotation
Adapter 16, rotary joint 16 include that interconnected fixed part and movable part, wherein fixed part and desulfurizing agent are supplied
Pipeline is connected, and movable part is connected with transmission shaft 3 by connecting bolt 18, and movable part can be rotated synchronously with transmission shaft 3；Activity
It is equipped with sealing ring 2 17 between partial 4 inner wall of lower mouth and top powder tracheae, prevents desulfurizing agent powder gas leakage (as shown in Figure 2).
The lower end of transmission shaft 3, which is arranged, connect (key 11 is for transmitting torque) in half catcher 10 and with half 10 keys 11 of catcher；Half catcher 10
Lower part be connected with the upper end of blender steel core 12 by bolt.
In the present invention, powder tracheae includes top powder tracheae 4 and lower part powder tracheae 13, and middle and upper part powder tracheae 4 is set to transmission
In axis 3, and there are certain intervals between the outer wall of top powder tracheae 4 and the hollow wall of transmission shaft 3；Under top powder tracheae 4
Transmission shaft 3 is stretched out at end and lower end outer wall is welded with support plate 20；The lower mouth of the top powder tracheae 4 is upper with lower part powder tracheae 13
Mouth connection, the two junction sets sealing ring 3 23.Described 13 sets of lower part powder tracheae inside blender steel core 12, and lower part powder gas
There are certain interval (as shown in Figure 1) between 12 inner wall of outer wall and blender steel core of pipe 13.The upper end of lower part powder tracheae 13 is set
Powder tracheae seal head 22, seal groove is set in powder tracheae seal head 22, and seal groove medial surface installs sealing ring 3 23, sealing ring 3 23
For sealing the junction of top powder tracheae 4 Yu lower part powder tracheae 13；At the top of powder tracheae seal head 22, sealing plate 21 is set,
The support plate 20 is set on sealing plate 21；The sealing plate 21 further seals top powder while supporting top powder tracheae 4
The junction (as shown in Figure 3) of tracheae 4 and lower part powder tracheae 13.There are two the lower end vertical symmetry arrangements of lower part powder tracheae 13
Contrary powder gas exit passageway 14, and in 14 bottom welding plug 24 of powder gas exit passageway, two powder gas exit passageways 14
T-type channel is formed with lower part powder tracheae 13, desulfurizing agent powder gas is entered by desulfurizing agent powder gas supply line, successively by top powder gas
After pipe 4 and lower part powder tracheae 13, sprayed from two powder gas exit passageways 14.
In the present invention, exposing blender steel core 12 under 12 flange of blender steel core part below, lower part powder tracheae 13
Part and powder gas exit passageway 14 are coated by refractory material 15；The 13 outer wall circumferential direction uniform intervals of lower part powder tracheae are handed over
For screw-thread steel 26 and anchor plate 25 is equipped with, and the axis direction of screw-thread steel 26 is parallel with the axis direction of lower part powder tracheae 13；Spiral shell
Line steel 26 and anchor plate 25 are embedded in advance in refractory material 15, and screw-thread steel 26 reinforces lower part powder tracheae 13, and anchor plate 25 is used
In reinforcing the cohesive force between refractory material 15 and each steel construction, the erosion of molten iron in whipping process is resisted jointly, meets stirring
The service life demand (as shown in Figure 4, Figure 5) of head.
Agitating device of the present invention has implemented required various on blowing process and the compound rear agitating device of paddling process
Function, the input of desulfurizing agent powder gas, powder gas channel are set such as the rotation driving of blender and in blender rotary course
Set and the dynamic sealing of each junction design etc..
The operation principle of the present invention is that:
1, it by the agitating device integral installation, is required according to sulfur removal technology, when agitating device does not need work, lifting
Frame 1 rises to a high position and locks；When agitating device needs work, lifting frame 1 drops to low level and locks, and restarts
Rotation driving decelerating motor 2.
2, rotation driving decelerating motor 2 is hollow sleeve installation form, and transmission shaft 3 can drive directly through hollow sleeve and rotation
Decelerating motor 2 is connected；Rotation driving decelerating motor 2 is small in size, and reduction ratio is big, is able to satisfy revolving speed required for stirring and rotary force
Square.
3, blender steel core 12, lower part powder tracheae 13, the outlet of powder gas and refractory material 15 have collectively constituted agitation molten iron
Stirring-head, by transmission shaft 3 with rotation driving decelerating motor 2 be connected, rotation drive decelerating motor 2 driving under stirring-head into
Row rotary motion achievees the purpose that molten iron dynamic conditions when improving blowing.
4, during stirring-head rotates, transmission shaft 3 is rotated synchronously, and rotary joint 16 is fixed on transmission shaft 3, is rotated
The movable part of connector 16 is rotated with transmission shaft 3, and the fixed part of rotary joint 16 and external desulfurizing agent powder gas are supplied
Pipeline connection, remains static.Desulfurizing agent powder gas enters movable part by the fixed part of rotary joint 16, and flows through
The inside of portion's powder tracheae 4 enters inside lower part powder tracheae 13, is finally exported by two powder gas of 13 bottom of lower part powder tracheae logical
Road 14 sprays, into molten iron.When transmission shaft 3 rotates, lower part powder tracheae 13 and blender steel core 12 rotate together with therewith, on
Portion's powder tracheae 4 keeps opposing stationary, and is sealed by powder tracheae seal head 22 and sealing ring 3 23.
Finally it should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although
Referring to embodiment, invention is explained in detail, for those skilled in the art, still can be to aforementioned
Technical solution documented by each embodiment is modified or equivalent replacement of some of the technical features, but it is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (10)
1. the agitating device that compound desulfurizing iron is stirred in a kind of blowing, which is characterized in that including lifting frame, rotation driving system
System, transmission shaft, stirring-head and powder tracheae, the lifting frame are driven by lift drive system, can be gone up and down in vertical direction simultaneously
Locking；The rotary drive system is installed on lifting frame, and the driving end of rotary drive system is connected with transmission shaft；Transmission shaft
It is arranged vertically, the lower end of transmission shaft is connected with stirring-head；The powder tracheae is set to the inside of transmission shaft and stirring-head, and along the two
Axis direction arrangement；The entrance of the powder tracheae is connected to desulfurizing agent pulvis supply line, and the outlet of powder tracheae and the external world are even
It is logical.
2. the agitating device that compound desulfurizing iron is stirred in blowing as described in claim 1, which is characterized in that the stirring-head packet
Include blender steel core；Blender steel core upper end is connected by half catcher with the lower end of transmission shaft, and the powder tracheae is driven certainly
The upper end of axis penetrates, and stretches out the lower end of blender steel core；The lower part of blender steel core and powder tracheae stretch out blender steel core
Part is external to be coated with refractory material, and the powder gas exit passageway being connected to powder tracheae, powder gas exit passageway are set in refractory material
One end be connected to powder tracheae, the other end of powder gas exit passageway is in communication with the outside.In the present embodiment, powder tracheae is two sections,
In be set to transmission shaft inside be top powder tracheae, be lower part powder tracheae in blender steel core.
3. the agitating device that compound desulfurizing iron is stirred in blowing as claimed in claim 2, which is characterized in that powder tracheae is two
Section, wherein being set to inside transmission shaft is top powder tracheae, it is lower part powder tracheae in blender steel core；In lower part powder gas
The lower end vertical symmetry of pipe is disposed with the opposite powder gas exit passageway of both direction, and is equipped with plug in the lower mouth of powder tracheae, and two
A powder gas exit passageway and lower part powder tracheae form T-type channel, and desulfurizing agent powder gas is entered by desulfurizing agent powder gas supply line, successively
After top powder tracheae and lower part powder tracheae, sprayed from two powder gas exit passageways.
4. the agitating device that compound desulfurizing iron is stirred in blowing as claimed in claim 2, which is characterized in that the lifting frame
For steel structure frame, driven by lift drive system；Upper layer steel platform and lower layer's steel platform, the rotation are set in the lifting frame
Turn drive system to be installed in the steel platform of upper layer；The rotary drive system includes the rotation driving decelerating motor of hollow shell type,
The rotation driving decelerating motor is installed in the steel platform of upper layer, and the transmission shaft passes through the hollow sleeve of rotation driving decelerating motor
And the two is adapted, rotation driving decelerating motor driving transmission shaft rotation.
5. the agitating device that compound desulfurizing iron is stirred in blowing as claimed in claim 4, which is characterized in that the transmission shaft is
Hollow long-shaft type structure, is arranged vertically；Transmission shaft and the bearing adapter being respectively arranged in top chock and in step,
In, top chock is installed in lower layer's steel platform, and step is set in supporting steel pipe, and supporting steel pipe is fixed on lower layer's steel platform
Bottom, and be connected after being pierced by transmission shaft self-supporting steel pipe with blender steel core.
6. the agitating device that compound desulfurizing iron is stirred in blowing as claimed in claim 5, which is characterized in that the upper end of transmission shaft
Equipped with rotary joint, rotary joint includes that interconnected fixed part and movable part, wherein fixed part and desulfurizing agent supply
Pipeline is answered to be connected, movable part is connected with transmission shaft by connecting bolt, and movable part can be rotated synchronously with transmission shaft, movable part
Encapsulation process between the lower mouth and top powder inner surface of trachea divided.
7. the agitating device that compound desulfurizing iron is stirred in blowing as claimed in claim 2, which is characterized in that the lower end of transmission shaft
It is arranged and takes over interior with half and be keyed with half catcher；The lower part of half catcher is connected by bolt with the upper end of blender steel core.
8. the agitating device that compound desulfurizing iron is stirred in blowing as claimed in claim 3, which is characterized in that the lower part powder gas
Pipe outer wall circumferential direction uniform intervals are alternately equipped with screw-thread steel and anchor plate, and the axis of the axis direction of screw-thread steel and lower part powder tracheae
Direction is parallel；Screw-thread steel and anchor plate are embedded in refractory material in advance.
9. the agitating device that compound desulfurizing iron is stirred in blowing as claimed in claim 3, which is characterized in that lower part powder tracheae
Upper end sets powder tracheae seal head, and seal groove is set in powder tracheae seal head, and seal groove medial surface installs sealing ring three, and sealing ring three is used
In the junction of sealing top powder tracheae and lower part powder tracheae.
10. the agitating device that compound desulfurizing iron is stirred in blowing as claimed in claim 3, which is characterized in that close in powder tracheae
Sealing plate is arranged in the top of end socket, and the support plate is set on sealing plate；While sealing plate support top powder tracheae into
The junction of one step sealing top powder tracheae and lower part powder tracheae.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910407549.5A CN110055368A (en) | 2019-05-15 | 2019-05-15 | The agitating device of compound desulfurizing iron is stirred in a kind of blowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910407549.5A CN110055368A (en) | 2019-05-15 | 2019-05-15 | The agitating device of compound desulfurizing iron is stirred in a kind of blowing |
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| CN110055368A true CN110055368A (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910407549.5A Pending CN110055368A (en) | 2019-05-15 | 2019-05-15 | The agitating device of compound desulfurizing iron is stirred in a kind of blowing |
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| CN (1) | CN110055368A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113046509A (en) * | 2021-03-16 | 2021-06-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Rotary stirring and blowing equipment for molten iron desulfurization |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105121670A (en) * | 2013-03-15 | 2015-12-02 | Esm集团有限公司 | Rotational lance drive and rotational lance injection method |
| CN108374070A (en) * | 2018-05-04 | 2018-08-07 | 北京京科名创工程技术有限公司 | It is blown injecting agitating device |
| CN210215420U (en) * | 2019-05-15 | 2020-03-31 | 中冶南方工程技术有限公司 | Stirring device for blowing and stirring composite molten iron desulphurization |
-
2019
- 2019-05-15 CN CN201910407549.5A patent/CN110055368A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105121670A (en) * | 2013-03-15 | 2015-12-02 | Esm集团有限公司 | Rotational lance drive and rotational lance injection method |
| CN108374070A (en) * | 2018-05-04 | 2018-08-07 | 北京京科名创工程技术有限公司 | It is blown injecting agitating device |
| CN210215420U (en) * | 2019-05-15 | 2020-03-31 | 中冶南方工程技术有限公司 | Stirring device for blowing and stirring composite molten iron desulphurization |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113046509A (en) * | 2021-03-16 | 2021-06-29 | 攀钢集团攀枝花钢铁研究院有限公司 | Rotary stirring and blowing equipment for molten iron desulfurization |
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