CN110280751A - A kind of long water gap bowl part cleaning plant - Google Patents
A kind of long water gap bowl part cleaning plant Download PDFInfo
- Publication number
- CN110280751A CN110280751A CN201910701609.4A CN201910701609A CN110280751A CN 110280751 A CN110280751 A CN 110280751A CN 201910701609 A CN201910701609 A CN 201910701609A CN 110280751 A CN110280751 A CN 110280751A
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- sleeve
- water gap
- cleaning plant
- bowl part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/50—Pouring-nozzles
- B22D41/58—Pouring-nozzles with gas injecting means
Abstract
The invention discloses a kind of long water gap bowl part cleaning plants, including bottom plate；Below the bottom plate, the acceleration sleeve to improve purge gas flow velocity；Above the bottom plate, to be connected with air supply pipe and provide the inlet suction port of purge gas to the acceleration sleeve；Wherein, the bottom plate, which has, is connected to the venthole for accelerating sleeve and the inlet suction port；It is sheathed on the floating cover for accelerating sleeve, offseting to the rim of a bowl with long nozzle and moving up and down with long nozzle；The limited post of range is moved down between the bottom plate and the floating cover, to limit the floating cover.Above-mentioned apparatus, which can be realized, carries out purging cleaning to the different height position of long water gap bowl part inner wall.
Description
Technical field
The present invention relates to continuous casting technical fields, more particularly to a kind of long water gap bowl part cleaning plant.
Background technique
Continuous casting steel machine abbreviation continuous casting, it is a kind of technique the direct moulding by casting of molten steel, compared with traditional die casting,
Continuous metal cast process, which has, greatly improves recovery rate of iron and slab quality, energy saving to wait significant advantages.
Currently, needing to protect molten steel not by secondary oxygen using long nozzle between the ladle and tundish of continuous casting line
Change and prevents steel stream from splashing.A kind of structure of long nozzle as shown in Figure 1, the long nozzle 01 in a tubular form, at the top of feed inlet be in
Bowl-shape and for connecting ladle, the discharge port of bottom makes the molten steel in ladle by long nozzle 01 for connecting tundish
Channel enter in tundish.After out of service by continuous casting line, in order to avoid being attached to 01 inner wall of long nozzle
Molten steel condensation, therefore need to clear up long nozzle 01.
Therefore, how to carry out cleaning to the bowl portion of long nozzle is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of long water gap bowl part cleaning plant, which be can be realized in long water gap bowl part
The different height position of wall carries out purging cleaning.
To achieve the above object, the present invention provides a kind of long water gap bowl part cleaning plant, comprising: bottom plate；Set on the bottom
Plate lower section, the acceleration sleeve to improve purge gas flow velocity；Above the bottom plate, to be connected with air supply pipe and to institute
It states and sleeve is accelerated to provide the inlet suction port of purge gas；Wherein, the bottom plate, which has, is connected to the acceleration sleeve and the air inlet
The venthole of connector；It is sheathed on the acceleration sleeve, is offseted to the rim of a bowl with long nozzle and is moved up and down with long nozzle floating
Dynamic cover board；The limit of range is moved down between the bottom plate and the floating cover, to limit the floating cover
Column.
Preferably, it is arranged in the bottom plate at the top of the limited post and has to be clamped with the plate upper surface
The shaft shoulder is limited, the bottom of the limited post is fixedly connected with the floating cover.
Preferably, the first gasket to guarantee leakproofness is equipped between the inlet suction port and the bottom plate；It is described to add
The second gasket to guarantee leakproofness is equipped between fast sleeve and the bottom plate.
Preferably, it is equipped at the gas outlet for accelerating sleeve and forms block to improve the scaling of purge gas flow velocity；Its
In, it is described scaling formed block have to it is described accelerate sleeve gas outlet formed tapered gas circuit contraction front and to institute
The expansion face for accelerating the gas outlet of sleeve to form flaring gas circuit is stated, the contraction front and the expansion face are successively set along airflow direction
It sets.
Preferably, the gas outlet for accelerating sleeve is in flaring shape along airflow direction.
Preferably, the bottom plate is equipped with installation through-hole；It further include being arranged in the adjusting rod of the installation through-hole and to solid
The location nut of the fixed adjusting rod position；Wherein, the bottom of the adjusting rod forms block with the scaling and is connected, the adjusting
The top of bar is equipped with the external screw thread to cooperate with the location nut；And when the location nut supports the upper table of the patch bottom plate
When face, the position that the adjusting rod and the scaling form block is fixed.
Preferably, the adjusting rod has and the inlet suction port and the air guide gas circuit for accelerating sleeve to be connected to.
Preferably, the scaling forms block equipped with the purging stomata to be connected to the air guide gas circuit.
Preferably, the purging stomata is equipped with internal screw thread；It further include the plug-hole bolt to block the purging stomata.
Relative to above-mentioned background technique, long water gap bowl part cleaning plant provided by the invention, by floating cover with long water
Mouth is moved along acceleration sleeve to realize the relative movement accelerated between sleeve gas outlet and long water gap bowl part, to realize to length together
Comprehensive purging of water gap bowl portion inner wall is cleared up.Specifically, floating cover is by weight compression long nozzle, and floating cover can
Along accelerating sleeve to move, floating cover is enable to move up and down together with long nozzle, and then makes the gas outlet and the length that accelerate sleeve
Water gap bowl portion vertically generates relative movement, realizes the difference from the purge gas for accelerating sleeve to flow out to long water gap bowl part inner wall
Height and position carries out purging cleaning.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of long nozzle in the prior art；
Fig. 2 is a kind of structural schematic diagram of long water gap bowl part cleaning plant provided by the present invention；
Wherein,
01- long nozzle, 1- bottom plate, 2- inlet suction port, 3- accelerate sleeve, 4- floating cover, 5- limited post, 6- to scale shape
Blocking, 61- contraction front, 62- expansion face, 63- purge stomata, 7- adjusting rod, 71- air guide stomata, 8- location nut, 9- plug-hole spiral shell
Bolt, the first gasket of 10-, the second gasket of 11-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing and it is embodied
The present invention is described in further detail for mode.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is a kind of structural schematic diagram of long nozzle in the prior art；Fig. 2 is mentioned by the present invention
A kind of structural schematic diagram of the long water gap bowl part cleaning plant supplied.
A kind of long water gap bowl part cleaning plant provided by the present invention, as shown in Fig. 2, it specifically includes that bottom plate 1, accelerates
Sleeve 3, inlet suction port 2, limited post 5 and floating cover 4.
Bottom plate 1 is used to connect pedestal, to play the role of supporting this long water gap bowl part cleaning plant.Wherein, bottom plate 1 and base
Seat can be attached by bolt or other fixed forms in the prior art.
Accelerate sleeve 3 and inlet suction port 2 to be divided into the two sides of bottom plate 1, sleeve 3 is accelerated to be set to the lower section of bottom plate 1 and preferred
Being fixedly connected for the two is realized by bolt；Inlet suction port 2 is set to the top of bottom plate 1, and the bottom of inlet suction port 2 is preferably set to method
Blue plate-like and being realized by bolt is fixedly connected with bottom plate 1.
It should be noted that bottom plate 1 is equipped with the venthole (not shown) realized and sleeve 3 is accelerated to be connected to inlet suction port 2,
The top connection of inlet suction port 2 is used to provide the air supply pipe of purge gas, and the purge gas in air supply pipe is made to enter inlet suction port 2
And is entered by venthole and accelerate sleeve 3；Sleeve 3 is accelerated to be used to improve the flow velocity of purge gas, so that from sleeve 3 is accelerated
The purge gas of the gas outlet outflow of bottom can carry out strength purging to the inner wall in 01 bowl of portion of long nozzle, namely need long water
Mouth 01 is set at the gas outlet for accelerating sleeve 3, so that the bowl portion of long nozzle 01 is wrapped up the gas outlet for accelerating sleeve 3, and then realization is blown
Scavenging body carries out purging cleaning to the inner wall in 01 bowl of portion of long nozzle.
Limited post 5 between bottom plate 1 and floating cover 4 for suspend in midair floating cover 4 to avoid when long nozzle 01 with
Floating cover 4 is fallen when floating cover 4 separates, namely the distance range of limitation 4 descending motion of floating cover.
Floating cover 4, which is set in, accelerates sleeve 3, and can be along accelerating sleeve 3 move up and down, and floating cover 4 can be with
On the one hand the rim of a bowl (i.e. the top end surface of long nozzle 01 in Fig. 1) that long nozzle 01 is pushed by Gravitative Loads, may be implemented in this way
Sealing between the rim of a bowl and floating cover 4, so that purge gas from top to bottom blows out molten steel from the bottom of long nozzle 01；Separately
On the one hand floating cover 4 can also be realized with the up and down motion of long nozzle 01, with the different height position to 01 bowl of portion of long nozzle
Carry out purging cleaning.
For above-mentioned another aspect content specifically, when long nozzle 01 moves upwards, long nozzle 01 is pushed up
Floating cover 4 moves upwards floating cover 4 along acceleration sleeve 3, and then transports long nozzle 01 upwards relative to acceleration sleeve 3
It is dynamic, until long nozzle 01 stops moving upwards or floating cover 4 and bottom plate 1 support patch to limit floating cover 4 and long nozzle 01
It is further up；And when long nozzle 01 moves downward, namely opposite acceleration sleeve 3 moves downward, floating cover 4 is in self weight
Effect lower edge accelerates sleeve 3 to move downward, until the stopping of long nozzle 01 moves downward or limited post 5 starts to suspend floating cover 4 in midair
To limit the further decline of floating cover 4.
It is understood that accelerating gas outlet and the long nozzle of sleeve 3 during long nozzle 01 vertically moves
01 relative position vertically changes, and then realizes and purge to the different height position of 01 bowl of portion's inner wall of long nozzle
Cleaning.
In other words, the core of the application has two: first is that suspending floating cover 4 in midair using limited post 5 to limit floating cover
4 ranges moved down, second is that using floating cover 4 be set in accelerate sleeve 3 and by Gravitative Loads always with long nozzle 01
It contacts and simultaneously vertically moves with long nozzle 01, and then make between long nozzle 01 and the gas outlet for accelerating sleeve 3 vertically
Relative position changes, and realizes the technical effect that purging cleaning comprehensively is carried out to 01 bowl of portion of long nozzle.
It is specific that following two is provided herein for the connection relationship between limited post 5 and bottom plate 1 and 4 the two of floating cover
Embodiment:
In the first specific embodiment, the top of limited post 5 be arranged in bottom plate 1 and have can be with 1 upper surface of bottom plate
The limit shaft shoulder of clamping, wherein bottom plate 1 should be equipped with the perforation passed through for limited post 5；The bottom of limited post 5 and floating cover 4
It is fixedly connected, limited post 5 is enable to move up and down together with floating cover 4, and limited post 5 can reinforce floating cover 4
Gravitative Loads have correspondingly improved the leakproofness between 01 the rim of a bowl of floating cover 4 and long nozzle, and then improve purging cleaning
Effect.
Preferably, the bottom of limited post 5 opens up screw hole, and floating cover 4 and limit are passed through by bolt from bottom to up
Being fixedly connected for limited post 5 and floating cover 4 is realized in the screw hole cooperation of position column 5.It is, of course, also possible to which use is welded or other are existing
Some is fixedly connected with mode to realize being fixedly connected between floating cover 4 and limited post 5.
In second of embodiment, the bottom of limited post 5 be arranged in floating cover 4 and have can under floating cover 4
Surface clamping is to realize the limit shaft shoulder for suspending floating cover 4 in midair, wherein floating cover 4 should be equipped with and wear for what limited post 5 passed through
Hole；The top of limited post 5 is fixedly connected with bottom plate 1, is enable floating cover 4 along limited post 5 and is accelerated 3 the two of sleeve or more
It is mobile, and then reduce for power required for driving long nozzle 01 mobile.
It should be noted that the mode that above-mentioned limited post 5 is fixedly connected with bottom plate 1 is referred to the first above-mentioned specific reality
The mode that is fixedly connected of limited post 5 and floating cover 4 in example is applied, it certainly can also be using the existing mode that is fixedly connected (as welded
Connect) realize being fixedly connected for limited post 5 and bottom plate 1 in this specific embodiment.
It is understood that when limited post 5 suspends floating cover 4 in midair, if the lower surface of floating cover 4 is lower than acceleration sleeve
3 gas outlet, then when the rim of a bowl of long nozzle 01 just following table face contact with floating cover 4, from accelerating 3 gas outlet of sleeve to flow
Purge gas out can not be purged to the position near 01 the rim of a bowl of long nozzle, and then only push up long nozzle 01 to floating cover
Plate 4 with accelerate the gas outlet end face of sleeve 3 it is concordant when, purge gas can be to 01 top the rim of a bowl of long nozzle near
Purging cleaning is carried out, the efficiency of 01 bowl of portion of long nozzle cleaning can be reduced in this way.
Therefore, the length of limited post 5 preferably satisfies the lower surface for making floating cover 4 when floating cover 4 is in free state
The condition concordant with the end face of 3 gas outlet of sleeve is accelerated；Here so-called " free state " refers under the action of no external force, floats
Dynamic 4 state in which of cover board namely limited post 5 suspend the state of floating cover 4 in midair.
In order to avoid purge gas leaks, the first gasket 10 is set between inlet suction port 2 and bottom plate 1 and is being accelerated
Second gasket 11 is set between sleeve 3 and bottom plate 1.Specifically, the bottom of inlet suction port 2 is equipped with for the first gasket 10 to be arranged
The first mounting groove, so that the first gasket 10 being located in the first mounting groove is blocked the seam between inlet suction port 2 and 1 contact surface of bottom plate
Gap；Similarly, accelerate the top of sleeve 3 to be equipped with the second mounting groove for the second gasket 11 to be arranged, make to be located at the second mounting groove
The second interior gasket 11 blocks the gap accelerated between sleeve 3 and 1 contact surface of bottom plate, is blown with realizing by the whole that air supply pipe provides
Scavenging body is only from the gas outlet outflow for accelerating sleeve 3.
It should be noted that above-mentioned first gasket 10 and the second gasket 11 are preferably by metals such as copper resistant to high temperature or stainless steels
Material is made.
Here how to realize that improving purge gas flow velocity provides specific embodiment below for acceleration sleeve 3 again:
Scaling is equipped at the gas outlet of acceleration sleeve 3 and forms block 6, forms block 6 and acceleration 3 outlet of sleeve when passing through scaling
When space between mouthful, purge gas obtains speedup effect, is purged with realizing to the strength on 01 bowl of portion of long nozzle surface.It is specific next
It says, from the point of view of the flow direction of purge gas, scaling forms block 6 with contraction front 61 and the expansion with 61 bottom connection of contraction front
Face 62, contraction front 61 are used to be formed the tapered gas circuit that circulation area is gradually reduced between the inner wall of acceleration 3 gas outlet of sleeve,
And the flaring gas circuit that face 62 is gradually increased for forming circulation area between the inner wall of acceleration 3 gas outlet of sleeve is expanded, it is above-mentioned
The tapered gas circuit and flaring gas circuit of connection can make purge gas reach supersonic speed under the action of the effect of Lavalle.
It should be noted that above-mentioned scaling form block 6 be preferably shaped to rotary body；Above-mentioned Lavalle effect is Bearing score
When the principle of your jet pipe (or de Laval noz(zle)), the principle are primarily referred to as gas and flow in pipeline, section is smaller and flow velocity is got over
Greatly, but when the flow velocity of gas reaches velocity of sound, section is bigger and flow velocity is bigger；That is, above-mentioned scaling forms block 6 and accelerates
The gas outlet of sleeve 3 forms the gas circuit of Laval nozzle formula.
It is understood that the size of 01 the rim of a bowl of long nozzle should be greater than accelerating the size of 3 gas outlet of sleeve, in order to make to purge
Gas can purge the wall surface in 01 bowl of portion of long nozzle to a wide range, accelerate the inner wall of 3 gas outlet of sleeve from top to bottom should be in gradually
The shape of expansion.Correspondingly, the degrees of expansion of contraction front 61 should be greater than accelerating the degrees of expansion of 3 gas outlet inner wall of sleeve, and then shape
At above-mentioned tapered gas circuit；Similarly, the degrees of expansion in expansion face 62 should be less than accelerating the degrees of expansion of 3 gas outlet inner wall of sleeve, very
Extremely can be in the column that do not expand or the inverted cone shape in contraction, and then form above-mentioned flaring gas circuit.
For the fixedly scaling position for forming block 6, the present apparatus further includes adjusting rod 7, top and 1 phase of bottom plate of adjusting rod 7
Connect, and the bottom of adjusting rod 7 forms block 6 with scaling and is fixedly connected, and preferably, the bottom of adjusting rod 7 and scaling are formed
Block 6 is by being threadedly engaged connection.
In order to adjust the gas velocity that goes out for accelerating sleeve 3, bottom plate 1 is equipped with installation through-hole, and the top of adjusting rod 7 is arranged in this
In installation through-hole, and the top of adjusting rod 7 is preferably provided with external screw thread, and is cooperated by location nut 8 and adjusting rod 7, in turn
Patch is supported to realize that secured adjusted bar 7 and scaling form the position of block 6 by the upper surface of location nut 8 and bottom plate 1, and is led to
The whole location nut 8 of toning scales the phase to form block 6 and accelerate 3 gas outlet of sleeve with step-less adjustment relative to the position of adjusting rod 7
To position, to change the sectional dimension of tapered gas circuit and flaring gas circuit, and then the adjustment to purge gas flow velocity is realized.
From inlet suction port 2 to the runner for accelerating sleeve 3, above-mentioned adjusting rod 7 has to be used purge gas in order to further increase
To be connected to inlet suction port 2 and accelerate the air guide gas circuit of sleeve 3.Specifically, adjusting rod 7 is in hollow tubulose, and in adjusting rod 7
Bottom offer connection 7 inner space of adjusting rod and accelerate sleeve 3 air guide stomata 71, make a part in inlet suction port 2
Purge gas enters the space of 7 inner hollow of adjusting rod from the aperture at 7 top of adjusting rod, and enters from air guide stomata 71 and accelerate set
In cylinder 3.
In order to increase the throughput that goes out of the present apparatus, scaling forms block 6 and is additionally provided with the purge gass being connected to above-mentioned air guide gas circuit
Hole 63.Purging stomata 63 is connected to the aperture of 7 bottom of adjusting rod, flows out the purge gas in adjusting rod 7 through purging stomata 63
To long nozzle 01, in order to which molten steel can flow out long nozzle 01 along the channel of the lower part of long nozzle 01.
It should be noted that at the bowl portion of purging cleaning long nozzle 01 purging stomata 63 need to be blocked, therefore purge stomata
63 settable screw threads simultaneously are used to cooperate plug-hole bolt 9, are all flowed into and are added with the gas limited in adjusting rod 7 by plug-hole bolt 9
In fast sleeve 3, and then guarantee there are enough purge gas to carry out strength purging to the inner wall in 01 bowl of portion of long nozzle；And when need by
When molten steel is blown out from the channel of the lower part of long nozzle 01, the position of adjustable location nut 8 makes scaling form block 6 and accelerates sleeve
The inner wall of 3 gas outlets offsets and removes plug-hole bolt 9, makes to accelerate the purge gas in sleeve 3 and in adjustment bar from purging
Stomata 63 is flowed out to purge to long nozzle 01.
It is noted that in the description of the present invention, the orientation of instructions such as used " upper and lower " and " top bottom " or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without
It is to limit signified element or part must have a particular orientation, therefore be not considered as limiting the invention.In addition,
In this specification, such as first and second etc relational terms are used merely to distinguish an entity and other several entities
Come, without necessarily requiring or implying there are any actual relationship or orders between these entities.
Long water gap bowl part cleaning plant provided by the present invention is described in detail above.It is used herein specifically
Principle and implementation of the present invention are described for a example, the present invention that the above embodiments are only used to help understand
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from original of the invention
, can be with several improvements and modifications are made to the present invention under the premise of reason, these improvement and modification also fall into right of the present invention and want
In the protection scope asked.
Claims (9)
1. a kind of long water gap bowl part cleaning plant characterized by comprising
Bottom plate (1)；
Below the bottom plate (1), the acceleration sleeve (3) to improve purge gas flow velocity；
Above the bottom plate (1), to be connected with air supply pipe and provide the air inlet of purge gas to acceleration sleeve (3)
Connector (2)；Wherein, the bottom plate (1), which has, is connected to the venthole for accelerating sleeve (3) and the inlet suction port (2)；
It is sheathed on acceleration sleeve (3), to what is offseted with the rim of a bowl of long nozzle (01) and move up and down with long nozzle (01)
Floating cover (4)；
Range is moved down between the bottom plate (1) and the floating cover (4), to limit the floating cover (4)
Limited post (5).
2. long water gap bowl part cleaning plant according to claim 1, which is characterized in that worn at the top of the limited post (5)
Set on the bottom plate (1) and with the limit shaft shoulder to be clamped with the bottom plate (1) upper surface, the bottom of the limited post (5)
Portion is fixedly connected with the floating cover (4).
3. long water gap bowl part cleaning plant according to claim 1, which is characterized in that
The first gasket (10) to guarantee leakproofness is equipped between the inlet suction port (2) and the bottom plate (1)；
It is described to accelerate to be equipped with the second gasket (11) to guarantee leakproofness between sleeve (3) and the bottom plate (1).
4. long water gap bowl part cleaning plant according to any one of claims 1 to 3, which is characterized in that the acceleration sleeve
(3) it is equipped at gas outlet and forms block (6) to improve the scaling of purge gas flow velocity；Wherein, the scaling forms block (6) tool
Have to it is described accelerate sleeve (3) gas outlet formed tapered gas circuit contraction front (61) and to the acceleration sleeve
(3) gas outlet forms the expansion face (62) of flaring gas circuit, and the contraction front (61) and the expansion face (62) are along airflow direction
It sets gradually.
5. long water gap bowl part cleaning plant according to claim 4, which is characterized in that the outlet for accelerating sleeve (3)
Opening's edge airflow direction is in flaring shape.
6. long water gap bowl part cleaning plant according to claim 4, which is characterized in that
The bottom plate (1) is equipped with installation through-hole；
It further include the adjusting rod (7) for being arranged in the installation through-hole and the location nut to the fixation adjusting rod (7) position
(8)；
Wherein, the bottom of the adjusting rod (7) forms block (6) with the scaling and is connected, and the top of the adjusting rod (7), which is equipped with, to be used
With the external screw thread cooperated with the location nut (8)；
And when the location nut (8) support the upper surface for pasting the bottom plate (1), the adjusting rod (7) and scaling formation
The position of block (6) is fixed.
7. long water gap bowl part cleaning plant according to claim 6, which is characterized in that the adjusting rod (7) has and institute
State the air guide gas circuit that inlet suction port (2) is connected to acceleration sleeve (3).
8. long water gap bowl part cleaning plant according to claim 7, which is characterized in that the scaling forms block (6) and is equipped with
To the purging stomata (63) being connected to the air guide gas circuit.
9. long water gap bowl part cleaning plant according to claim 8, which is characterized in that
The purging stomata (63) is equipped with internal screw thread；
It further include the plug-hole bolt (9) to block purging stomata (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910701609.4A CN110280751B (en) | 2019-07-31 | 2019-07-31 | Long mouth of a river bowl cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910701609.4A CN110280751B (en) | 2019-07-31 | 2019-07-31 | Long mouth of a river bowl cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110280751A true CN110280751A (en) | 2019-09-27 |
| CN110280751B CN110280751B (en) | 2021-06-15 |
Family
ID=68024492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910701609.4A Active CN110280751B (en) | 2019-07-31 | 2019-07-31 | Long mouth of a river bowl cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110280751B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872366A (en) * | 2020-09-03 | 2020-11-03 | 苏强 | Steel pouring tundish |
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| CN203649387U (en) * | 2013-12-30 | 2014-06-18 | 四川德胜集团钒钛有限公司 | Online ladle nozzle blowing apparatus |
| CN104043624A (en) * | 2013-03-15 | 2014-09-17 | 宝山钢铁股份有限公司 | Continuous ladle long nozzle cleaning device and method |
| CN108176844A (en) * | 2018-01-15 | 2018-06-19 | 山东钢铁股份有限公司 | A kind of device and method for clearing up tundish upper nozzle dross object |
| CN109822086A (en) * | 2019-04-08 | 2019-05-31 | 湖南博实自动化设备有限公司 | A kind of long nozzle replacement cleaning plant |
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- 2019-07-31 CN CN201910701609.4A patent/CN110280751B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0528724A1 (en) * | 1991-08-09 | 1993-02-24 | Sollac | Installation for descaling a pouring stream protective tube in continuous casting |
| JPH07232266A (en) * | 1994-02-24 | 1995-09-05 | Nippon Supingu Kk | Method and device for automatic cleaning of long nozzle hole and shield ring for cleaning device |
| JP2000202619A (en) * | 1999-01-07 | 2000-07-25 | Tokyo Yogyo Co Ltd | Device for opening clogged hole of molten metal vessel |
| EP2191918A1 (en) * | 2008-11-20 | 2010-06-02 | Vesuvius Group S.A | Device for cleaning a pocket tube for pouring liquid metal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872366A (en) * | 2020-09-03 | 2020-11-03 | 苏强 | Steel pouring tundish |
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| Publication number | Publication date |
|---|---|
| CN110280751B (en) | 2021-06-15 |
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