CN106001515B - A kind of molten steel precools apparatus and method - Google Patents
A kind of molten steel precools apparatus and method Download PDFInfo
- Publication number
- CN106001515B CN106001515B CN201610606941.9A CN201610606941A CN106001515B CN 106001515 B CN106001515 B CN 106001515B CN 201610606941 A CN201610606941 A CN 201610606941A CN 106001515 B CN106001515 B CN 106001515B
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- housing
- inert gas
- inlet pipe
- molten steel
- air inlet
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/003—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using inert gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/08—Shaking, vibrating, or turning of moulds
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a kind of molten steel to precool device, including housing, flow into pipe, effuser, air inlet pipe and escape pipe, the end of one end that air inlet pipe is connected with housing is be hinged to be provided with cover plate, the input of air inlet pipe is provided with air blast motor and supply storehouse, air inlet pipe is provided with flow control switch, and the output end of escape pipe is connected with the temporary warehouse of inert gas；Offer bleeding point at the top of housing, the side of bleeding point is provided with extraction sector, and extraction sector includes exhaust tube, filter and air exhauster, and the junction of bleeding point and housing is provided with the first concentration sensor；The junction of air inlet pipe and exhaust tube and housing is respectively equipped with the first temperature sensor and second temperature sensor；At least provided with second concentration sensor on the inwall of housing.The present invention can effectively avoid contact of the molten steel with air, accelerate cooling and the crust of molten steel, improve the quality of steel.
Description
Technical field
The present invention relates to cast steel apparatus field, is related specifically to a kind of molten steel and precools apparatus and method.
Background technology
Steel need molten steel being cooled into strand during production, and it is cold that the process of molten steel solidification undergoes molten steel successively
But, nucleus is formed, nuclei growth and is fully cured.In general, the nucleus that early solidification is formed is more, the warp after molten steel solidification
Go through and more refine, steel quality is better.Therefore the quality of the early solidification of molten steel is particularly important to the quality of steel.Traditional molten steel
Cooling is to be located in substantial amounts of molten steel in a cooling chamber, molten steel is stood cooling, the cooling velocity of this type of cooling molten steel
Slowly, crust is slow, and molten steel can produce bubble, had a strong impact on steel to some extent with air contact during cooling
The quality of material.
The content of the invention
It is an object of the invention to for deficiency of the prior art, there is provided and a kind of molten steel precools apparatus and method, with
Solve the above problems.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of molten steel precools device, including housing, and pipe is flowed into close to what the both sides of the bottom of housing were respectively equipped with molten steel
And effuser, it is identical with the caliber of effuser to flow into pipe, and is symmetrically set in the both ends of housing, flows into the upper end point of pipe and effuser
Not She You inert gas air inlet pipe and escape pipe, the caliber of air inlet pipe and escape pipe is identical and one end is connected with housing respectively
Logical, the end of one end that air inlet pipe is connected with housing is be hinged to be provided with cover plate, and cover plate is located at interior housing and its size and air inlet pipe
Bore is adapted, and the input of air inlet pipe is provided with air blast motor and supply storehouse, and air inlet pipe is provided with flow control switch, escape pipe
Output end be connected with the temporary warehouse of inert gas；Bleeding point is offered at the top of housing, the side of bleeding point is provided with air exhauster
Structure, extraction sector include exhaust tube, filter and air exhauster, and one end of exhaust tube is connected with bleeding point, and the other end passes through filtering
Device is connected with air exhauster, and the junction of bleeding point and housing is provided with the first concentration sensor；Air inlet pipe and exhaust tube and housing
Junction is respectively equipped with the first temperature sensor and second temperature sensor；It is used to monitor at least provided with one on the inwall of housing
The level height at the second concentration sensor of inert gas concentration, the level height of the second concentration sensor and the top of air inlet pipe
It is identical.
Further, the bottom of the housing is provided with vibrating mechanism, and vibrating mechanism includes vibrating motor and vibration shell, vibration
Shell is connected to the bottom of housing, and vibrating motor is in vibration shell.
Further, the side wall of the housing is provided with some forms, and the level height of the bottom of form is more than air inlet pipe
Top level height.
Further, the side at the top of the housing offers regulation and control mouth, and the side for regulating and controlling mouth is provided with air pressure controlling machine
Structure, air pressure controlling mechanism include horizontal separator tube, U-tube and elastic bag, and the both ends of horizontal separator tube are respectively with regulating and controlling mouth and U
One end of shape pipe is connected, and the other end of U-tube is connected with elastic bag.
Further, the horizontal separator tube and U-tube are clear glass material, and colored liquid, U-shaped are provided with U-tube
The long-armed longitudinal direction for including being sequentially connected, the recessed pipe of arc and longitudinal galianconism are managed, horizontal separator tube one end long-armed with longitudinal direction is connected, bullet
Property air bag is connected with one end of longitudinal galianconism.
Further, the elastic bag is quality of rubber materials.
A kind of molten steel cooling means, inert gas is entered in air inlet pipe by air blast motor from supply storehouse, passes through flow
Controlling switch controls uninterrupted of the inert gas in air inlet pipe, and cover plate top is opened and dug upwards by inert gas, makes inertia
Gas enters in housing diagonally downward, and inductive probe is set on cover plate, when inductive probe detects that cover plate digs action upwards,
Filter and air exhauster work, are drawn upwardly out the gas in housing, so that inert gas forms reverse circulation in housing；
When the inert gas concentration that the second concentration sensor detects reaches setting value, molten steel enters in housing along pipe is flowed into, and shakes
Dynamic motor is started working, and when the concentration for the inert gas that the first concentration sensor detects reaches setting value, filter and is taken out
Blower fan is stopped, and now flow control switch is opened to maximum, and cover plate is opened to horizontal level, indifferent gas by inert gas top
Body is injected into housing out of air inlet pipe and forms air-cushion protection layer in the upper surface of molten steel；When air pressure is excessive in housing,
Inert gas enters horizontal separator tube by regulating and controlling mouth, and the colored liquid in U-tube is pressed into elastic bag, on elastic bag
Provided with gravity sensor, when the weight for entering the colored liquid in elastic bag reaches the setting value upper limit, filter and exhausting
Machine work reduces the air pressure in housing, and when the air pressure in housing is normal, colored liquid backs into U-tube out of elastic bag
In, when gravity sensor is detected when entering the weight of colored liquid in elastic bag and reaching setting value lower limit, filter
It is stopped with air exhauster.
Compared with prior art, beneficial effects of the present invention are as follows：
The present invention is compact-sized, easy to use, using injecting inert gas into housing, the indifferent gas of the bottom in housing
When the concentration of body reaches a certain amount of, inert gas forms protective layer in housing, and molten steel is injected in housing, without by whole shell
Cooling progress can be accelerated, while effectively prevent molten steel so that molten steel is directly injected into housing full of inert gas in vivo
Enter housing when and air contact；By the way that air pressure controlling mechanism to be located to the outside of housing, without setting pressure in housing
Induction installation, not only makes that the change of air pressure in housing is more directly perceived and easy to maintenance and cost is cheap；When the inertia in housing
When the concentration of gas reaches a certain amount of, flow control switch is opened to maximum, inert gas is injected into out of air inlet pipe
Form air-cushion protection layer in housing and in the upper surface of molten steel, inert gas quickly flows on the upper surface of molten steel, not only every
Wall contact of the molten steel with air, improves the quality of steel, while can take away substantial amounts of heat, accelerate molten steel cooling and
Crust.
Brief description of the drawings
Fig. 1 is the structural representation that molten steel of the present invention precools device.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
Referring to Fig. 1, a kind of molten steel of the present invention precools device, including housing 10, close to the bottom of housing 10
What both sides were respectively equipped with molten steel flows into pipe 21 and effuser 22.It is identical with the caliber of effuser 22 to flow into pipe 21, and is symmetrically set in
The both ends of housing 10.The upper end for flowing into pipe 21 and effuser 22 is respectively equipped with the air inlet pipe 31 and escape pipe 32 of inert gas, lazy
Property gas can be nitrogen, argon gas or other inert gases.Air inlet pipe 31 is identical with the caliber of escape pipe 32 and one end is distinguished
It is connected with housing 10.The end of one end that air inlet pipe 31 is connected with housing 10 is be hinged to be provided with cover plate 33, and cover plate 33 is located at housing
10 interior and its size and air inlet pipe 31 bores are adapted.The input of air inlet pipe 31 is provided with air blast motor 41 and supply storehouse 42.
Air inlet pipe 31 is provided with flow control switch 34, and the output end of escape pipe 32 is connected with the temporary warehouse 43 of inert gas.In reality
The recovery EGR (not drawn in figure) of inert gas can be set during use between supply storehouse 42 and temporarily warehouse 43, this
Sample can greatly reduce the usage amount of inert gas, make inert gas reusable edible during use.The top of housing 10
Bleeding point 11 is offered, the side of bleeding point 11 is provided with extraction sector.Extraction sector includes exhaust tube 51, filter 52 and exhausting
Machine 53, one end of exhaust tube 51 are connected with bleeding point 11, and the other end is connected by filter 52 with air exhauster 53.Exhaust tube 51
The bore of the one end being connected with bleeding point 11 is more than the bore of its one end being connected with air exhauster 53.The gas extracted out in from housing 10
Body is discharged into air after the filtering of filter 52, reduces the burden of air.The junction of bleeding point 11 and housing 10 is provided with first
Concentration sensor 54.The junction of air inlet pipe 31 and exhaust tube 51 and housing 10 is respectively equipped with the first temperature sensor 35 and second
Temperature sensor 55, can effective detection disengaging housing 10 gas temperature, when the first temperature sensor 35 and second temperature pass
When the temperature that sensor 55 detects reaches stationary value, the inert gas in housing 10 reaches stable state.On the inwall of housing 10
At least provided with second concentration sensor (not drawn in figure) for being used to monitor inert gas concentration.The water of second concentration sensor
Flat height is identical with the level height at the top of air inlet pipe 31.
The bottom of housing 10 is provided with vibrating mechanism, and vibrating mechanism includes vibrating motor 61 and vibration shell 62, and vibration shell 62 connects
The bottom of housing 10 is connected to, vibrating motor 61 is in vibration shell 62.Molten steel 90 can effectively be discharged by the vibration of vibrating mechanism
Interior bubble, improve the mass of molten steel 90.
The side wall of housing 10 is provided with some forms 70, and the level height of the bottom of form 70 is more than the top of air inlet pipe 31
Level height.
The side at the top of housing 10 offers regulation and control mouth 12, and the side of regulation and control mouth 12 is provided with air pressure controlling mechanism.Air pressure
Regulating and controlling mechanism includes horizontal separator tube 81, U-tube 82 and elastic bag 83, and the both ends of horizontal separator tube 81 are respectively with regulating and controlling mouth 12
It is connected with one end of U-tube 82, horizontal separator tube 81 is connected by connector with regulation and control mouth 12, the other end and bullet of U-tube 82
Property air bag 83 be connected.Air pressure controlling mechanism is located to the outside of housing 10, without setting pressure sensitive device in housing 10, no
Only make that the change of air pressure in housing 10 is more directly perceived and easy to maintenance and cost is cheap.
Horizontal separator tube 81 and U-tube 82 are clear glass material, are provided with colored liquid in U-tube 82, U-tube 82 includes
The longitudinal direction that is sequentially connected is long-armed, the recessed pipe of arc and longitudinal galianconism, horizontal separator tube 81 one end long-armed with longitudinal direction are connected, elastic gas
Capsule 83 is connected with one end of longitudinal galianconism.Elastic bag 83 is quality of rubber materials.
During use, inert gas is entered in air inlet pipe 31 present invention by air blast motor 41 from supply storehouse 42,
Uninterrupted of the inert gas in air inlet pipe 31 is controlled by flow control switch 34.Inert gas by cover plate 33 top open and to
On dig, make inert gas diagonally downward enter housing 10 in, and housing bottom formed inert gas protective layer.Cover plate
Inductive probe is set on 33, when inductive probe detects that cover plate 33 digs action upwards, filter 52 and air exhauster 53 work,
It is drawn upwardly out the gas in housing 10, so that inert gas forms reverse circulation in housing.When the second concentration sensor
When the inert gas concentration detected reaches setting value, molten steel 90 enters in housing 10 along pipe 21 is flowed into, and vibrating motor 61 is opened
Beginning work.When the concentration for the inert gas that the first concentration sensor 54 detects reaches setting value, filter 52 and air exhauster
53 are stopped, and now flow control switch is opened to maximum, and cover plate 33 is opened to horizontal level, indifferent gas by inert gas top
Body is injected into housing 10 out of air inlet pipe 31 and forms air-cushion protection layer in the upper surface of molten steel 90.Inert gas it is quick
Flowing is formed to molten steel while protect, and the substantial amounts of heat also taken away makes steel progressively cool down.When air pressure is excessive in housing 10
When, inert gas enters horizontal separator tube 81 by regulating and controlling mouth 12, and the colored liquid in U-tube 82 is pressed into elastic bag
83.Elastic bag 83 is provided with gravity sensor, when the weight for entering the colored liquid in elastic bag 83 reaches in setting value
In limited time, filter 52 and the work of air exhauster 53 reduce the air pressure in housing 10.When the air pressure in housing 10 is normal, coloured liquid
Body is backed into out of elastic bag 83 in U-tube 82.When gravity sensor detects the colored liquid worked as and entered in elastic bag 83
Weight when reaching setting value lower limit, filter 52 and air exhauster 53 are stopped.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of molten steel precools device, it is characterised in that：Including housing, molten steel is respectively equipped with close to the both sides of the bottom of housing
Flow into pipe and effuser, it is identical with the caliber of effuser to flow into pipe, and is symmetrically set in the both ends of housing, flows into pipe and effuser
Upper end be respectively equipped with the air inlet pipe and escape pipe of inert gas, the caliber of air inlet pipe and escape pipe is identical and one end respectively with shell
Body phase connects, and the end of one end that air inlet pipe is connected with housing is be hinged to be provided with cover plate, and cover plate is in housing and its size is with entering
The bore of tracheae is adapted, and the input of air inlet pipe is provided with air blast motor and supply storehouse, and air inlet pipe is provided with flow control switch,
The output end of escape pipe is connected with the temporary warehouse of inert gas；Bleeding point is offered at the top of housing, the side of bleeding point is provided with
Extraction sector, extraction sector include exhaust tube, filter and air exhauster, and one end of exhaust tube is connected with bleeding point, and the other end leads to
Cross filter with air exhauster to be connected, the junction of bleeding point and housing is provided with the first concentration sensor；Air inlet pipe and exhaust tube with
The junction of housing is respectively equipped with the first temperature sensor and second temperature sensor；At least provided with a use on the inwall of housing
In the second concentration sensor of monitoring inert gas concentration, the water at the level height of the second concentration sensor and the top of air inlet pipe
It is flat highly identical.
2. molten steel according to claim 1 precools device, it is characterised in that：The bottom of the housing is provided with bobbing machine
Structure, vibrating mechanism include vibrating motor and vibration shell, and vibration shell is connected to the bottom of housing, and vibrating motor is in vibration shell.
3. molten steel according to claim 1 precools device, it is characterised in that：The side wall of the housing is provided with some regard
Window, the level height of the bottom of form are more than the level height at the top of air inlet pipe.
4. molten steel according to claim 1 precools device, it is characterised in that：The side at the top of the housing offers
Regulate and control mouth, the side for regulating and controlling mouth is provided with air pressure controlling mechanism, and air pressure controlling mechanism includes horizontal separator tube, U-tube and elastic gas
Capsule, the both ends of horizontal separator tube are connected with regulating and controlling one end of mouth and U-tube respectively, and the other end of U-tube is connected with elastic bag.
5. molten steel according to claim 4 precools device, it is characterised in that：The horizontal separator tube and U-tube are
Bright glass material, U-tube is interior to be provided with colored liquid, and the longitudinal direction that U-tube includes being sequentially connected is long-armed, the recessed pipe of arc and longitudinal direction are short
Arm, horizontal separator tube one end long-armed with longitudinal direction are connected, and elastic bag is connected with one end of longitudinal galianconism.
6. molten steel according to claim 4 precools device, it is characterised in that：The elastic bag is quality of rubber materials.
A kind of 7. molten steel cooling means, it is characterised in that：Inert gas is entered in air inlet pipe by air blast motor from supply storehouse,
Uninterrupted of the inert gas in air inlet pipe is controlled by flow control switch, cover plate top is opened and turned over upwards by inert gas
Rise, inert gas is entered diagonally downward in housing, inductive probe is set on cover plate, when inductive probe detects that cover plate turns over upwards
When playing action, filter and air exhauster work, it is drawn upwardly out the gas in housing, so that inert gas is formed in housing
Reverse circulation；When the inert gas concentration that the second concentration sensor detects reaches setting value, molten steel enters along pipe is flowed into
In housing, vibrating motor is started working, when the concentration for the inert gas that the first concentration sensor detects reaches setting value, mistake
Filter and air exhauster are stopped, and now flow control switch is opened to maximum, and cover plate is opened to horizontal position by inert gas top
Put, inert gas is injected into housing out of air inlet pipe and forms air-cushion protection layer in the upper surface of molten steel；When gas in housing
When pressing through big, inert gas enters horizontal separator tube by regulating and controlling mouth, and the colored liquid in U-tube is pressed into elastic bag,
Elastic bag is provided with gravity sensor, when the weight for entering the colored liquid in elastic bag reaches the setting value upper limit, mistake
Filter and air exhauster work reduce the air pressure in housing, and when the air pressure in housing is normal, colored liquid is out of elastic bag
Back into U-tube, when gravity sensor is detected when the weight for entering the colored liquid in elastic bag reaches setting value lower limit
When, filter and air exhauster are stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606941.9A CN106001515B (en) | 2016-07-28 | 2016-07-28 | A kind of molten steel precools apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606941.9A CN106001515B (en) | 2016-07-28 | 2016-07-28 | A kind of molten steel precools apparatus and method |
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| Publication Number | Publication Date |
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| CN106001515A CN106001515A (en) | 2016-10-12 |
| CN106001515B true CN106001515B (en) | 2018-02-06 |
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| CN201610606941.9A Active CN106001515B (en) | 2016-07-28 | 2016-07-28 | A kind of molten steel precools apparatus and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108546430A (en) * | 2018-06-19 | 2018-09-18 | 重庆阿罗网络科技有限公司 | Colour-wash production system |
| CN111922307A (en) * | 2020-07-20 | 2020-11-13 | 靖江市巨阳冶金设备制造有限公司 | Molten steel pre-cooling device for high-speed continuous casting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS632534A (en) * | 1986-06-23 | 1988-01-07 | Kawasaki Steel Corp | Method of bottom pouring steel ingot making |
| US7451804B2 (en) * | 2006-11-22 | 2008-11-18 | Peterson Oren V | Method and apparatus for horizontal continuous metal casting in a sealed table caster |
| ITVI20110076A1 (en) * | 2011-04-01 | 2012-10-02 | Ieco Keeps On Improving S R L | MACHINE FOR FORMING METAL BARS |
| CN102554194B (en) * | 2012-03-07 | 2013-10-02 | 福安市广源机电有限公司 | Gas purifying device for fusion welding wire of electrode lead plate of energy-saving environment-friendly lead-acid cell |
| CN204419657U (en) * | 2014-12-19 | 2015-06-24 | 黄洋铜业有限公司 | For the air extractor of aluminium liquid cooling pond |
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| CN106001515A (en) | 2016-10-12 |
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