CN208758579U - A kind of small flow block-resistant type long stem nozzle of continuous casting - Google Patents
A kind of small flow block-resistant type long stem nozzle of continuous casting Download PDFInfo
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- CN208758579U CN208758579U CN201821505501.5U CN201821505501U CN208758579U CN 208758579 U CN208758579 U CN 208758579U CN 201821505501 U CN201821505501 U CN 201821505501U CN 208758579 U CN208758579 U CN 208758579U
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Abstract
The utility model relates to a kind of small flow block-resistant type long stem nozzles of continuous casting.Including nozzle carrier, the water spray channel of a front opening back-end closure is equipped in nozzle carrier, the front end in water spray channel is equipped with stepped hole, the front in water spray channel is connected with sparge pipe, the front of stepped hole is connected with air jet pipe, the annular space formed between air jet pipe and sparge pipe is jet channel, nozzle carrier rear sidewall is equipped with the water inlet being connected to water spray channel, the side wall of stepped hole is equipped with the air inlet being connected to jet channel, the front end of sparge pipe is equipped with Y type water segregator, the front end of the air jet pipe is equipped with nozzle, Y type water segregator includes water segregator ontology, inlet opening is equipped in water segregator ontology at center, water segregator ontology surrounding is evenly distributed with several tapping holes diagonally downward, several tapping holes are arranged symmetrically relative to inlet opening, tapping hole upper end is connected with inlet opening.The utility model structure is simple, easily manufactured, is not easy to plug, and nozzle cooling water sprinkling is uniform.
Description
Technical field
The utility model relates to a kind of small flow block-resistant type long stem nozzles of continuous casting.
Background technique
Solidification heat transfer process of the continuous casting process actually from high-temperature molten steel to Solid State Transformation, therefore the solidification of slab
Diabatic process plays vital influence for quality such as the face cracks, underbead crack, bulge of slab.In the solidification of slab
Mostly use water as cooling medium in diabatic process greatly, this that is to say, in a sense, continuous casting technology is exactly Water Cooling Technology,
High-temperature molten steel is solidified as to by cooling water a solidification heat transfer process of slab.Water-cooling system is by many nozzles by rule
It is arranged in around slab, when portion nozzle blocks, the slab of place corresponding position is due to cannot get cooling temperature urgency
Play is gone up, and temperature rise may be up to hundreds of degrees Celsius, is caused inhomogeneous cooling to form thermal stress, is ultimately caused slab and crack.It is existing
Continuous casting nozzle arrangements it is simple, be easy to happen clogging, mixing wastewater with air is insufficient, causes spraying also uneven.
Utility model content
In view of the foregoing drawbacks, easily manufactured the purpose of this utility model is to provide a kind of structure is simple, air water can be made
Secondary to be sufficiently mixed and carry out secondary-atomizing, spraying more preferably a kind of continuous casting of uniform cooling effect is sprayed with small flow block-resistant type stock
Mouth.
Thus the technical scheme adopted by the utility model is
Including nozzle carrier, the water spray channel of a front opening back-end closure, the water spray channel are equipped in the nozzle carrier
Front end be equipped with stepped hole, the aperture size of stepped hole is greater than the aperture size in water spray channel, and the front in channel of spraying water is connected with
Sparge pipe, the front of stepped hole are connected with air jet pipe, and the sparge pipe is located inside air jet pipe and the two axis is overlapped, air jet pipe
The annular space formed between sparge pipe is jet channel, and nozzle carrier rear sidewall is equipped with the water inlet being connected to water spray channel
Mouthful, the side wall of stepped hole is equipped with the air inlet being connected to jet channel, and the front end of sparge pipe is equipped with Y type water segregator, described
The front end of air jet pipe is equipped with nozzle, and the Y type water segregator includes water segregator ontology, is equipped at center in the water segregator ontology
Inlet opening, water segregator ontology surrounding are evenly distributed with several tapping holes diagonally downward, and several tapping holes are relative to inlet opening pair
Claim arrangement, tapping hole upper end is connected with inlet opening.
As a further improvement of the above technical scheme, it is equipped with water inlet in the water inlet and waits mouth, is set in the air inlet
There is air inlet to wait mouth.
As a further improvement of the above technical scheme, the front inner wall of the sparge pipe and Y type water segregator rear end outer wall
It is threadedly coupled.
As a further improvement of the above technical scheme, the rear end outer wall thread of the front inner wall of the air jet pipe and nozzle
Connection, nozzle middle part outer wall are equipped with annular chuck, lock sleeve, the lock sleeve inner wall and jet are cased with outside the nozzle
Pipe outer wall is threadedly coupled.
As a further improvement of the above technical scheme, sparge pipe rear end inner wall is concordant with water spray vias inner walls.
As a further improvement of the above technical scheme, air jet pipe rear end inner wall is concordant with stepped hole inner wall.
As a further improvement of the above technical scheme, the nozzle carrier side wall is equipped with a pin hole, the pin hole
It is interior to be equipped with pin, the pin lower end locking water spray pipe outer wall.
As a further improvement of the above technical scheme, the nozzle interior is equipped with the oval current stabilization chamber positioned at outlet end.
The utility model has the advantages that:
The utility model structure is simple, easily manufactured, and by using the utility model structure, pressure water enters Y type and divides water
Device center, carrying out surrounding is in Y type jet stream, carries out primary atomization, and the compression come in again with axis direction by air inlet at this time is empty
Gas is sufficiently mixed, and carries out secondary-atomizing, and the outlet end of nozzle interior is equipped with oval current stabilization chamber, so that it is spraying more uniform, it is cooling
Effect is more preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
1 it is nozzle carrier in figure, 2 be water spray channel, 3 be sparge pipe, 4 be air jet pipe, 5 be jet channel, 6 be nozzle, 7 is
Water segregator ontology, 8 be inlet opening, 9 be tapping hole, 10 be into water wait mouth, 11 be air inlet wait mouth, 12 be lock sleeve, 13 be pin,
14 be oval current stabilization chamber.
Specific embodiment
A kind of continuous casting small flow block-resistant type long stem nozzle, including nozzle carrier 1, the interior front end that is equipped with of nozzle carrier 1 are opened
The water spray channel 2 of mouth back-end closure, the front end in the water spray channel 2 are equipped with stepped hole, and the aperture size of stepped hole is greater than water spray
The front of the aperture size in channel 2, water spray channel 2 is connected with sparge pipe 3, and the front of stepped hole is connected with air jet pipe 4, the spray
Water pipe 3 is located at 4 inside of air jet pipe and the two axis is overlapped, and the annular space formed between air jet pipe 4 and sparge pipe 3 is logical for jet
Road 5,1 rear sidewall of nozzle carrier are equipped with the water inlet being connected to water spray channel 2, and the side wall of stepped hole is equipped with and jet channel
The air inlet of 5 connections, the front end of sparge pipe 3 are equipped with Y type water segregator, and the front end of the air jet pipe 4 is equipped with nozzle 6, the Y
Type water segregator includes water segregator ontology 7, is equipped with inlet opening 8 in the water segregator ontology 7 at center, and 7 surrounding of water segregator ontology is equal
The even several tapping holes 9 being distributed with diagonally downward, several tapping holes 9 are arranged symmetrically relative to inlet opening 8,9 upper end of tapping hole with
Inlet opening 8 is connected.
As a further improvement of the above technical scheme, it is equipped with to intake in the water inlet and waits mouth 10, in the air inlet
Mouth 11 is waited equipped with air inlet.
As a further improvement of the above technical scheme, the front inner wall of the sparge pipe 3 and Y type water segregator rear end outer wall
It is threadedly coupled.
As a further improvement of the above technical scheme, the rear end outer wall spiral shell of the front inner wall of the air jet pipe 4 and nozzle 6
Line connection, the 6 middle part outer wall of nozzle are equipped with annular chuck, are cased with lock sleeve 12 outside the nozzle 6, in the lock sleeve 12
Wall is connect with 4 outer wall thread of air jet pipe.
As a further improvement of the above technical scheme, the 3 rear end inner wall of sparge pipe is concordant with water spray 2 inner wall of channel.
As a further improvement of the above technical scheme, the 4 rear end inner wall of air jet pipe is concordant with stepped hole inner wall.
As a further improvement of the above technical scheme, 1 side wall of nozzle carrier is equipped with a pin hole, the pin hole
Interior to be equipped with pin 13,3 outer wall of sparge pipe is locked in 13 lower end of pin.
As a further improvement of the above technical scheme, the oval current stabilization chamber positioned at outlet end is equipped with inside the nozzle 6
14。
Cooling water with certain pressure is waited mouth by water inlet and is entered in sparge pipe, flows into Y type water segregator center, carries out four
Week is in Y type jet stream, carries out primary atomization, waits the compressed air that mouth is come in by air inlet with axis direction again at this time and is sufficiently mixed,
Secondary-atomizing is carried out, mixed fluid is uniformly sprayed by the spout of nozzle;Increase oval current stabilization chamber in nozzle, so that spraying
It is more uniform.
It is emphasized that: the above description is only the embodiments of the present invention, is not intended to limit the utility model
The scope of the patents, equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, or it is straight
It connects or is used in other related technical areas indirectly, be also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of small flow block-resistant type long stem nozzle of continuous casting, which is characterized in that including nozzle carrier, one is equipped in the nozzle carrier
The front end in the water spray channel of front opening back-end closure, the water spray channel is equipped with stepped hole, and the aperture size of stepped hole is greater than
The aperture size in water spray channel, the front in channel of spraying water are connected with sparge pipe, and the front of stepped hole is connected with air jet pipe, the spray
Water pipe is located inside air jet pipe and the two axis is overlapped, and the annular space formed between air jet pipe and sparge pipe is jet channel,
Nozzle carrier rear sidewall be equipped with the water inlet that be connected to of water spray channel, the side wall of stepped hole with jet channel equipped with being connected to
Air inlet, the front end of sparge pipe are equipped with Y type water segregator, and the front end of the air jet pipe is equipped with nozzle, the Y type water segregator packet
Water segregator ontology is included, is equipped with inlet opening in the water segregator ontology at center, water segregator ontology surrounding, which is evenly distributed with, to be tilted towards
Under several tapping holes, several tapping holes are arranged symmetrically relative to inlet opening, and tapping hole upper end is connected with inlet opening.
2. a kind of small flow block-resistant type long stem nozzle of continuous casting according to claim 1, which is characterized in that the water inlet
It is interior to be equipped with water inlet time mouth, air inlet, which is equipped with, in the air inlet waits mouth.
3. a kind of small flow block-resistant type long stem nozzle of continuous casting according to claim 1, which is characterized in that the sparge pipe
Front inner wall connect with Y type water segregator rear end outer wall thread.
4. a kind of small flow block-resistant type long stem nozzle of continuous casting according to claim 1, which is characterized in that the air jet pipe
Front inner wall and the rear end outer wall thread of nozzle connect, outer wall is equipped with annular chuck in the middle part of the nozzle, outside the nozzle
It is cased with lock sleeve, the lock sleeve inner wall is connect with air jet pipe outer wall thread.
5. a kind of small flow block-resistant type long stem nozzle of continuous casting according to claim 1, which is characterized in that the sparge pipe
Rear end inner wall is concordant with water spray vias inner walls.
6. a kind of small flow block-resistant type long stem nozzle of continuous casting according to claim 1, which is characterized in that the air jet pipe
Rear end inner wall is concordant with stepped hole inner wall.
7. a kind of small flow block-resistant type long stem nozzle of continuous casting according to claim 1, which is characterized in that the nozzle carrier
Side wall is equipped with a pin hole, and pin, the pin lower end locking water spray pipe outer wall are equipped in the pin hole.
8. a kind of small flow block-resistant type long stem nozzle of continuous casting according to claim 1, which is characterized in that in the nozzle
Portion is equipped with the oval current stabilization chamber positioned at outlet end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821505501.5U CN208758579U (en) | 2018-09-14 | 2018-09-14 | A kind of small flow block-resistant type long stem nozzle of continuous casting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821505501.5U CN208758579U (en) | 2018-09-14 | 2018-09-14 | A kind of small flow block-resistant type long stem nozzle of continuous casting |
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CN208758579U true CN208758579U (en) | 2019-04-19 |
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CN201821505501.5U Active CN208758579U (en) | 2018-09-14 | 2018-09-14 | A kind of small flow block-resistant type long stem nozzle of continuous casting |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111842823A (en) * | 2020-07-31 | 2020-10-30 | 中冶赛迪技术研究中心有限公司 | Continuous casting secondary cooling is with preventing blockking up nozzle |
-
2018
- 2018-09-14 CN CN201821505501.5U patent/CN208758579U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111842823A (en) * | 2020-07-31 | 2020-10-30 | 中冶赛迪技术研究中心有限公司 | Continuous casting secondary cooling is with preventing blockking up nozzle |
CN111842823B (en) * | 2020-07-31 | 2024-04-30 | 中冶赛迪技术研究中心有限公司 | Anti-blocking nozzle for continuous casting secondary cooling |
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