CN206952156U - Baking device for intermediate ladle outlet - Google Patents
Baking device for intermediate ladle outlet Download PDFInfo
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- CN206952156U CN206952156U CN201720770358.1U CN201720770358U CN206952156U CN 206952156 U CN206952156 U CN 206952156U CN 201720770358 U CN201720770358 U CN 201720770358U CN 206952156 U CN206952156 U CN 206952156U
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- air inlet
- inlet pipe
- mouth
- drainage tube
- pipe
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Abstract
The utility model provides a kind of baking device for intermediate ladle outlet, including mouth of a river sleeve pipe, drainage tube and air inlet pipe, described drainage tube one end is provided with 90 ° of bend pipe end, the top at the bend pipe end connects with the bottom of the mouth of a river sleeve pipe, the air inlet pipe tilts the outside for being plugged in the bend pipe end from the top down, and the air inlet pipe is inserted in the hole of the drainage tube, and compressed air is blown into the air inlet pipe.The utility model is connected by mouth of a river sleeve pipe with middle water containing opening, the high temperature gas flow in tundish is effectively introduced into drainage tube discharge, long nozzle is kept into certain temperature, avoids molten steel low temperature in long nozzle tied, production stability is improved, reduces the labor intensity of operator.
Description
Technical field
The baking device for intermediate ladle outlet technical field that steel mill uses is the utility model is related to, is changed more particularly to one kind
The baking device for intermediate ladle outlet entered.
Background technology
In process for producing steel and iron, the tundish and long nozzle of conticaster have certain service life, when new tundish
And long-time baking must be all carried out before long nozzle use, tundish lining, the baking quality at the mouth of a river directly affect tundish
Thermal steady state, poured or the success or not of quick change so as to have influence on middle unwrap, to improving tundish casting sequence, the company of raising
Caster work rate, reduce production cost and play an important role.
General new tundish and long nozzle are linked together baking, and long nozzle one end is connected with tundish, and the other end extends
Go out tundish, and the part for extending tundish is longer；In baking, long nozzle is higher close to one end temperature of tundish, and
Because high-temperature gas is not easily accessible in long nozzle, then temperature can be reduced gradually, when the temperature is too low can for one end away from tundish
The tied event in the mouth of a river of molten steel occurs when adding molten steel, can not ensure that producing continuous-stable is carried out.On the other hand, continuous casting
High temperature high fever in area, especially in summer, temperature is not easy to lose, influences the working environment of worker, and potential safety hazard be present.
The content of the invention
Technical problem to be solved in the utility model is：In order to overcome deficiency of the prior art, to ensure long nozzle
Temperature, by baking device for intermediate ladle outlet, using principle of negative pressure, under the heat in tundish is drawn, avoid continuous casting from opening and pour
Because long nozzle temperature is low, the tied event in the mouth of a river of molten steel occurs, and ensures the stability of production to greatest extent.The especially summer
In season, continuous casting zone high temperature high fever reduces the labor intensity of worker to greatest extent, while avoids the generation of security incident.This reality
With new offer it is a kind of effectively prevent long nozzle low temperature molten steel it is tied, improve production stability baking device for intermediate ladle outlet.
The utility model solves its technical problem technical scheme to be taken：A kind of baking device for intermediate ladle outlet,
Including mouth of a river sleeve pipe, drainage tube and air inlet pipe, described drainage tube one end is provided with 90 ° of bend pipe end, the top at the bend pipe end with
The bottom connection of the mouth of a river sleeve pipe, the air inlet pipe tilt the outside for being plugged in the bend pipe end from the top down, and it is described enter
Tracheae is inserted in the hole of the drainage tube, and compressed air is blown into the air inlet pipe.Utilize the principle of Venturi effect, air inlet pipe
In be blown into compressed air and drainage tube and be collectively forming Venturi tube, the mouth of a river sleeve pipe during flow at high speed of the compressed air in air inlet pipe
Interior generation negative pressure, so as to which the high temperature gas flow in tundish is introduced into drainage tube discharge.
Further, height adjustment mechanism is also included in order to adjust, the height adjustment mechanism includes being circumferentially disposed at institute
State multiple adjusting nuts on the sleeve outer wall of the mouth of a river and lived with the one-to-one screw rod travel(l)ing rest of adjusting nut, the screw rod
Dynamic pedestal upper end is threadedly coupled provided with screw thread with the adjusting nut, and the screw rod travel(l)ing rest lower end is provided with support lower margin.
Preferably, in order that air-flow is blown into end of the direction towards drainage tube, drainage effect is increased, the air inlet pipe is inclined
Rake angle is 35 ° -55 °.
Further, in order that the thermal current in drainage tube can be discharged smoothly, the air inlet pipe inserts the drainage tube
Interior length and the ratio range of the drainage bore are 0.5-0.7.
Further, in order to realize the connection of air inlet pipe and source of the gas, in addition to metal hose, the air inlet pipe is soft by metal
Pipe is connected to source of the gas and is blown into compressed air.
Further, long nozzle is inserted with the mouth of a river sleeve pipe, and the mouth of a river sleeve pipe is bonded with the long nozzle.In work
The high-temperature gas inside tundish is incorporated into long nozzle endoporus more than trying one's best is needed when making, therefore, it is necessary to ensures length as far as possible
The mouth of a river and the good seal of mouth of a river sleeve pipe, avoid outer gas stream from entering in drainage tube, reduce the cured effect of long nozzle.
The beneficial effects of the utility model are：A kind of baking device for intermediate ladle outlet provided by the utility model, passes through water
Muzzle pipe is connected with middle water containing opening, and the high temperature gas flow in tundish effectively is introduced into drainage tube discharge, long nozzle is kept
Certain temperature, avoid molten steel low temperature in long nozzle tied, improve production stability, reduce the labor intensity of operator.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of the best embodiment of the utility model；
Fig. 2 is the using state structure diagram of the best embodiment of the utility model.
In figure：1st, mouth of a river sleeve pipe, 2, drainage tube, 3, air inlet pipe, 4, bend pipe end, 5, adjusting nut, 6, screw rod travel(l)ing rest,
7th, lower margin is supported, 8, long nozzle, 9, tundish, 10, stopper, 11, brick cup, 12, internal thread hole.
Embodiment
The utility model is described in detail presently in connection with accompanying drawing.This figure is simplified schematic diagram, only in a schematic way
Illustrate basic structure of the present utility model, therefore it only shows the composition relevant with the utility model.
As Figure 1-Figure 2, a kind of baking device for intermediate ladle outlet of the present utility model, including mouth of a river sleeve pipe 1, drainage tube
2nd, air inlet pipe 3 and height adjustment mechanism, mouth of a river sleeve pipe 1 and drainage tube 2 use stainless steel, and described one end of drainage tube 2 is set
There is 90 ° of bend pipe end 4, the top at the bend pipe end 4 is welded to connect with the mouth of a river sleeve pipe 1, and is connected with the bottom of mouth of a river sleeve pipe 1
Logical, the air inlet pipe 3 tilts the outside for being plugged in the bend pipe end 4 from the top down, and the air inlet pipe 3 inserts the drainage tube
In 2 hole, length H and the internal diameter Φ of drainage tube 2 that the air inlet pipe 3 is inserted in the drainage tube 2 ratio range are
0.5-0.7.The axis of tilt angle alpha fingering tracheae 3 of air inlet pipe 3 and the angle of the vertical axis in bend pipe end 4, tilt angle alpha
Scope is 35 ° -55 °, and described one end of air inlet pipe 3 is that 1/2 joint is used to installing metal hose and is blown into compressed air, in the present embodiment
Air inlet pipe 3 and 4 angle at 45 ° of bend pipe end of drainage tube 2, i.e. tilt angle alpha are 45 °, and the internal diameter of drainage tube 2 is 50mm, and air inlet pipe 3 is inserted
It is 30mm to enter the length H in drainage tube 2.
The height adjustment mechanism can adjust the height of the mouth of a river apparatus for baking of tundish 9, including be circumferentially disposed at described
Multiple adjusting nuts 5 on the outer wall of mouth of a river sleeve pipe 1 and with the one-to-one screw rod travel(l)ing rest 6 of adjusting nut 5, the screw rod
The upper end of travel(l)ing rest 6 is threadedly coupled provided with screw thread with the adjusting nut 5, and the lower end of screw rod travel(l)ing rest 6 is provided with support ground
Pin 7.Screw rod travel(l)ing rest 6 and adjusting nut 5 are four in the present embodiment, are uniformly distributed along mouth of a river sleeve pipe 1 is circumferential.
Long nozzle 8 is inserted with the mouth of a river sleeve pipe 1, and the mouth of a river sleeve pipe 1 is bonded with the long nozzle 8.Working
When need it is as far as possible more high-temperature gas tundish 9 inside is incorporated into the endoporus of long nozzle 8, therefore, it is necessary to ensure to grow as far as possible
The mouth of a river 8 and the good seal of mouth of a river sleeve pipe 1, avoid outer gas stream from entering in drainage tube 2, reduce the cured effect of long nozzle 8.This
The internal diameter of embodiment reclaimed water muzzle pipe 1 is 108mm, and connection is matched with long nozzle 8, ensures the sealing with long nozzle 8, plays good
Good sealing effectiveness.
Operation principle：
The baking work of tundish 9 was carried out before molten steel is added.
As shown in Fig. 2 arrow represents airflow direction in figure, long nozzle 8 is arranged on the bottom of tundish 9, and lower end is to downward
Stretch, upper end connection brick cup 11, brick cup 11 is provided with the opening of U-shaped, opening of the stopper 10 from the top of tundish 9 insertion brick cup 11
It is interior, the internal thread hole 12 for connecting is provided with stopper 10, in continuous casting for adjusting the flow and flow rate of molten steel, in baking
Stopper 10 will also be heated simultaneously, and stopper 10 is in open mode with opening during baking.
When being toasted, the present apparatus is arranged on to the end of long nozzle 8 first, by firing equipment in tundish 9
Portion is heated, and gradually rises the internal temperature of tundish 9；Meanwhile air inlet pipe 3 is connected by metal hose and high-pressure air source
Connect, be then blown into compressed air into air inlet pipe 3, because air inlet pipe 3 tilts down setting, therefore, the air-flow side of blowout
To the direction flowing to the end of drainage tube 2, when the outwards flowing under the blowing of compressed air of the gas in drainage tube 2, entering
There is negative pressuren zone at the rear position of tracheae 3, air-flow is flowed from the top down along long nozzle 8, so as to carry the heat of tundish 9
Flow, finally discharged by drainage tube 2, whole process make use of Venturi effect from the top down.Flowed from the top down in high-temperature gas
When dynamic, long nozzle 8 is heated using high-temperature gas, when the temperature of tundish 9 and long nozzle 8 reaches the requirement of technological temperature
Afterwards, hired a car in and add molten steel into tundish 9, because long nozzle 8 has been also maintained at a higher temperature, therefore, kept away
It is tied to have exempted from molten steel low temperature in long nozzle 8, has improved production stability, has reduced the labor intensity of operator.Long nozzle in Fig. 2
It is not bonded between 8 and mouth of a river sleeve pipe 1, only illustrates the assembly relation of the two, actual connection is not implied that, when reality connects
Therebetween gap is not present.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work
Personnel can carry out various changes and amendments in without departing from the scope of the utility model completely.This item utility model
Technical scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (6)
- A kind of 1. baking device for intermediate ladle outlet, it is characterised in that：Including mouth of a river sleeve pipe（1）, drainage tube（2）And air inlet pipe（3）, The drainage tube（2）One end is provided with 90 ° of bend pipe end（4）, the bend pipe end（4）Top and the mouth of a river sleeve pipe（1）Bottom Portion connects, the air inlet pipe（3）Tilt from the top down and be plugged in the bend pipe end（4）Outside, and the air inlet pipe（3）Insertion The drainage tube（2）Hole in, the air inlet pipe（3）Inside it is blown into compressed air.
- 2. baking device for intermediate ladle outlet as claimed in claim 1, it is characterised in that：Also include height adjustment mechanism, it is described Height adjustment mechanism includes being circumferentially disposed at the mouth of a river sleeve pipe（1）Multiple adjusting nuts on outer wall（5）And with regulation Nut（5）One-to-one screw rod travel(l)ing rest（6）, the screw rod travel(l)ing rest（6）Upper end is provided with screw thread and the regulation spiral shell It is female（5）Threaded connection, the screw rod travel(l)ing rest（6）Lower end is provided with support lower margin（7）.
- 3. baking device for intermediate ladle outlet as claimed in claim 1, it is characterised in that：The air inlet pipe（3）Angle of inclination For 35 ° -55 °, the air inlet pipe（3）Angle of inclination fingering tracheae（3）Axis and bend pipe end（4）The angle of vertical axis.
- 4. baking device for intermediate ladle outlet as claimed in claim 1, it is characterised in that：The air inlet pipe（3）Draw described in insertion Flow tube（2）Interior length and the drainage tube（2）The ratio range of internal diameter is 0.5-0.7.
- 5. baking device for intermediate ladle outlet as claimed in claim 1, it is characterised in that：Also include metal hose, the air inlet Pipe（3）Compressed air is blown into by connection by metal hose to source of the gas.
- 6. baking device for intermediate ladle outlet as claimed in claim 1, it is characterised in that：The mouth of a river sleeve pipe（1）Inside it is inserted with Long nozzle（8）, and the mouth of a river sleeve pipe（1）With the long nozzle（8）Fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770358.1U CN206952156U (en) | 2017-06-28 | 2017-06-28 | Baking device for intermediate ladle outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720770358.1U CN206952156U (en) | 2017-06-28 | 2017-06-28 | Baking device for intermediate ladle outlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206952156U true CN206952156U (en) | 2018-02-02 |
Family
ID=61385749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720770358.1U Active CN206952156U (en) | 2017-06-28 | 2017-06-28 | Baking device for intermediate ladle outlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206952156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695478A (en) * | 2019-09-24 | 2020-01-17 | 大族激光科技产业集团股份有限公司 | Send a gas blowing device |
| CN112229197A (en) * | 2020-10-14 | 2021-01-15 | 日照钢铁控股集团有限公司 | Method and device for drying fire clay in process of quickly replacing upper nozzle of steel ladle |
-
2017
- 2017-06-28 CN CN201720770358.1U patent/CN206952156U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110695478A (en) * | 2019-09-24 | 2020-01-17 | 大族激光科技产业集团股份有限公司 | Send a gas blowing device |
| CN112229197A (en) * | 2020-10-14 | 2021-01-15 | 日照钢铁控股集团有限公司 | Method and device for drying fire clay in process of quickly replacing upper nozzle of steel ladle |
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