CN114559000A - Thin strip steel continuous casting equipment and crystallization roller thereof - Google Patents
Thin strip steel continuous casting equipment and crystallization roller thereof Download PDFInfo
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- CN114559000A CN114559000A CN202210209094.8A CN202210209094A CN114559000A CN 114559000 A CN114559000 A CN 114559000A CN 202210209094 A CN202210209094 A CN 202210209094A CN 114559000 A CN114559000 A CN 114559000A
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- roller
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 58
- 230000008025 crystallization Effects 0.000 title claims abstract description 58
- 238000009749 continuous casting Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 9
- 239000010959 steel Substances 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
- 239000000498 cooling water Substances 0.000 claims description 29
- 238000007789 sealing Methods 0.000 claims description 29
- 238000012544 monitoring process Methods 0.000 claims description 26
- 230000005465 channeling Effects 0.000 claims description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 18
- 239000000956 alloy Substances 0.000 abstract description 18
- 229910045601 alloy Inorganic materials 0.000 abstract description 18
- 229910052802 copper Inorganic materials 0.000 abstract description 18
- 239000010949 copper Substances 0.000 abstract description 18
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0622—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars formed by two casting wheels
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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
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/144—Plants for continuous casting with a rotating mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The application provides a thin strip steel continuous casting equipment and crystallization roller thereof, this crystallization roller is including the left spindle nose, right spindle nose and the roll body that the components of a whole that can function independently set up, and the roll body is tubular structure, and left spindle nose and right spindle nose pass through bolted connection in the both ends of roll body. The application provides a crystallization roller is convenient for dismantle condemned alloy copper sheathing fast, and does not influence the reuse of other parts.
Description
Technical Field
The application relates to the technical field of thin strip steel production equipment, in particular to thin strip steel continuous casting equipment and a crystallizing roller thereof.
Background
It is known in thin strip continuous casting plants to introduce molten metal between a pair of counter-rotating horizontal crystallization rolls, inside which cooling water is passed to constantly cool the crystallization roll surfaces, causing the molten metal to solidify on the moving roll surfaces while being carried into the roll gap between the rolls to produce a metal strip product delivered downwardly from the roll gap.
When the molten metal contacts with the surface of the crystallization roller, the temperature is over 1500 ℃, a large amount of heat is transferred to the crystallization roller through the surface contact, so that the crystallization roller needs to be cooled by a large amount of cooling water in the crystallization roller. On the other hand, during continuous operation, molten metal is continuously contacted with the surface of the crystallization roller, so that the surface of the crystallization roller is abraded and hot cracked, the crystallization roller needs to be repaired after a certain working time, and the crystallization roller after being repaired for many times becomes thinner and thinner, so that the crystallization roller is finally scrapped.
In order to reduce consumable materials, an alloy copper sleeve is fixed on a roller body of the conventional crystallization roller in a hot sleeve mode, the scrapping of the alloy copper sleeve does not influence the recycling of the rest part of the crystallization roller, the hot sleeve heats the alloy copper sleeve to a certain temperature, an inner hole of the alloy copper sleeve becomes large due to expansion caused by heat and contraction caused by cold, then the crystallization roller penetrates into the inner hole of the alloy copper sleeve before being cooled, and the inner hole shrinks after being cooled so as to be fastened on the crystallization roller. The hot-jacket type crystallization roller has the defects that the difficulty of removing the alloy copper sleeve is high, the roller body of the crystallization roller is easy to damage when the alloy copper sleeve is removed, and the repeated utilization of the crystallization roller is influenced to cause waste.
Disclosure of Invention
In view of the above, the present application provides a thin strip steel continuous casting apparatus and a crystallization roll thereof, which are capable of facilitating the rapid disassembly of a scrap alloy copper sleeve without affecting the recycling of the remaining parts.
In order to achieve the above purpose, the present application provides the following technical solutions:
the utility model provides a thin strip steel continuous casting equipment's crystallization roller, includes left spindle nose, right spindle nose and the roll body that the components of a whole that can function independently set up, the roll body is barrel structure, left spindle nose with right spindle nose through first bolted connection in the both ends of roll body.
Optionally, in the crystallization roller, the roller body is provided with a plurality of axial holes for circulating cooling water, and the axial holes are uniformly distributed around the axis of the roller body and are divided into a first hole and a second hole which are alternately arranged in sequence;
the left shaft head is provided with a left channel coaxial with the roller body, a left pipe coaxial with the roller body is arranged in the left channel, one of the first hole and the second hole is communicated with the left channel through a first radial hole, the other one of the first hole and the second hole is communicated with the left pipe through a second radial hole, and the second radial hole is closer to the middle part of the roller body than the first radial hole;
the right shaft head is provided with a right channel coaxial with the roller body, a right pipe coaxial with the roller body is arranged in the right channel, one of the first hole and the second hole is communicated with the right channel through a third radial hole, the other one is communicated with the right pipe through a fourth radial hole, and the fourth radial hole is closer to the middle part of the roller body than the third radial hole.
Optionally, in the crystallization roller, a portion of the left channel close to the roller body is a left counter bore, the left spindle head includes a first blank cap disposed in the left counter bore, a radial cross section of the first radial hole is located between the bottom of the left counter bore and an inner surface of the first blank cap, and a portion of the second radial hole is opened in the first blank cap;
and/or, the part of the right channel close to the roller body is a right counter bore, the right shaft head comprises a second blank cap arranged in the right counter bore, the radial section of the third radial hole is located between the bottom of the right counter bore and the inner surface of the second blank cap, and one part of the fourth radial hole is arranged in the second blank cap.
Optionally, in the crystallization roller, the first blank cap has a flange structure connected with the mouth edge of the left counter bore through a bolt;
and/or the second blank cap is provided with a flange structure which is connected with the opening edge of the right counter bore through a bolt.
Optionally, in the crystallization roller, two sides of a radial cross section where the first radial hole is located are provided with first sealing rings located on a circumferential joint surface between the left spindle nose and the roller body, and two sides of a radial cross section where the second radial hole is located are provided with second sealing rings located on a circumferential joint surface between the left spindle nose and the roller body;
and third sealing rings located on the circumferential joint surface of the right shaft head and the roller body are arranged on two sides of the radial section where the third radial hole is located, and fourth sealing rings located on the circumferential joint surface of the right shaft head and the roller body are arranged on two sides of the radial section where the fourth radial hole is located.
Optionally, in the crystallization roller, the left shaft head is provided with a first water channeling monitoring hole, one end of the first water channeling monitoring hole is opened on the surface of the left shaft head between the first sealing ring and the second sealing ring, and the other end of the first water channeling monitoring hole is opened on the non-combined surface of the left shaft head and the roller body;
the right shaft head is provided with a second water channeling monitoring hole, one end of the second water channeling monitoring hole is opened on the surface of the right shaft head between the third sealing ring and the fourth sealing ring, and the other end of the second water channeling monitoring hole is opened on the non-combined surface of the right shaft head and the roller body.
Optionally, in the above-described crystallization roller, the first water channeling monitoring holes and the second water channeling monitoring holes are each L-shaped.
Optionally, in the crystallization roller, the left shaft head and the right shaft head are both provided with a connecting portion with a flange structure, two ends of the roller body are respectively provided with a section of combining portion sleeved with the connecting portion, and the flange structure of the connecting portion abuts against the end surface of the roller body and is fixedly connected with the roller body through the first bolt.
Alternatively, in the crystallization roller, the thickness of the joint is 1.2 to 2 times the thickness of the other portion of the roller body than the joint.
A thin strip continuous casting apparatus comprising a crystallization roll as disclosed in any one of the above.
According to the technical scheme, in the crystallizing roller of starter that this application provided, the roll body is tube structure, and, the roll body both ends are passed through the bolt and are connected with the spindle nose, the crystallizing roller is including the left spindle nose that the components of a whole that can function independently set up, right spindle nose and roll body triplex promptly, consequently can regard the alloy copper sheathing as holistic roll body in practical application, when the alloy copper sheathing after coping reaches to scrap many times, can separate alloy copper sheathing and spindle nose through dismantling the bolt, this dismantlement process degree of difficulty is little and the spindle nose is difficult for receiving the damage, therefore the crystal roller that this application provided is convenient for dismantle condemned alloy copper sheathing fast, and do not influence the reuse of all the other parts.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only the embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic axial sectional view of a crystallization roller provided in an embodiment of the present application;
FIG. 2 is an enlarged schematic view of the left end portion of the axial section of the crystallization roller shown in FIG. 1;
FIG. 3 is an enlarged schematic view of a middle portion of an axial section of the crystallization roller shown in FIG. 1;
FIG. 4 is an enlarged schematic view of the right end portion of the axial section of the crystallization roller shown in FIG. 1;
FIG. 5 is a schematic view in radial section of the inlet hole position at the left end of the roll body 1;
fig. 6 is a schematic radial sectional view of the position of the water return hole at the left end of the roll body 1.
Labeled as:
1. a roll body; 2. a plug; 3. a seal ring; 4. a seal ring; 5. covering the blank with a cover; 6. a central tube; 7. a bolt; 8. a shaft head; 9. a bolt; 10. a support ring; 11. a left water return hole; 12. a left water inlet hole; 13. a left counterbore; 14. a radial bore; 15. a left channel; 16. a first bore left end; 17. a first hole; 18. the right end of the first hole; 19. a right tube; 20. a right channel subchamber; 21. a right water return hole; 22. a right water inlet hole; 23. a right channel; 24. a right counterbore; 25. the right end of the second hole; 26. a second hole; 27. a second bore left end; 28. a left tube; 29. a seal ring; 30. a plug; 31. a transmission connection member; 32. a water channeling monitoring hole; 33. and (7) a plug.
Detailed Description
The application provides a crystallization roller, the condemned alloy copper sheathing of quick dismantlement of being convenient for, and do not influence the reuse of other parts.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1 to 6, an embodiment of the present application provides a crystallization roller for thin strip steel continuous casting equipment, a roller body 1 and a shaft head 8 of the crystallization roller are separately arranged, the roller body 1 is of a cylindrical structure, the shaft heads 8 are two, namely, a left shaft head and a right shaft head, and the left shaft head and the right shaft head are connected to two ends of the roller body 1 through bolts 9 (i.e., first bolts). When the roller body 1 after being polished for many times is scrapped, the roller body 1 can be separated from the shaft head 8 by disassembling the bolt 9, the disassembling process is low in difficulty and the shaft head 8 is not easy to be damaged, so that the scrapped alloy copper sleeve can be quickly disassembled when the alloy copper sleeve is used as the integral roller body 1, and the reutilization of the rest parts is not influenced. It is easy to understand that the beneficial effects of the crystallization roller of the present application are only understood by taking the alloy copper sleeve as an example, and the material of the roller body 1 is not limited in the present application, that is, the roller body 1 may be a cylinder made of other materials besides the alloy copper sleeve as the roller body 1.
As shown in fig. 3, one end of the shaft head 8 close to the roll body 1 is provided with a connecting part with a flange structure, the connecting part extends into the opening of the roll body 1, the end surface of the roll body 1 is abutted against the flange structure of the connecting part and is fixedly connected with the bolt 9, namely, the mounting hole of the bolt 9 is arranged along the axial direction of the roll body 1, thus avoiding the influence on the outer surface of the roll body 1. The both ends of roll body 1 respectively have one section joint portion to cup joint with the connecting portion of spindle nose 8, and the thickness of this joint portion (half of the difference of external diameter and internal diameter promptly) can be designed to be bigger than the thickness of other parts of roll body 1 a little to bear the casting and rolling force better, moreover, can make the connecting portion size of spindle nose 8 littleer after the joint portion thickening of roll body 1, thereby the preparation of the spindle nose 8 of being convenient for. Specifically, the thickness of the joint of the roll body 1 may be 1.2 to 2 times, for example, 1.5 times the thickness of the other portions of the roll body 1.
In order to cool the roll body 1 by cooling water, cooling water channels are arranged in the roll body 1 and the shaft head 8, in the embodiment, the cooling water channels are arranged in the roll body 1 as much as possible, the cooling water channels with a double-sleeve structure are designed in the shaft head 8, then radial holes are respectively arranged in two radial cross sections which are staggered with each other to communicate the cooling water channels of the roll body 1 and the shaft head 8, so that the cooling water channels on the roll body 1 are arranged more densely, namely, two adjacent cooling water channels can be closer to each other, and thus, the total water-through cross section area of the roll body 1 can be increased.
Next, the specific structure of the cooling water passage designed in this embodiment is described, and the roll body 1, the left spindle nose and the right spindle nose are respectively described, wherein the left spindle nose and the right spindle nose have similar structures due to the same structural principle. The roller body 1 is provided with a plurality of axial holes for circulating cooling water, the axial holes are uniformly distributed around the axis of the roller body 1 and are divided into a first hole 17 and a second hole 26 which are alternately arranged in sequence, namely a circle of axial holes are arranged on the cross section of the roller body 1, the total number of the axial holes is even, the axial holes can be divided into two groups according to odd and even serial numbers, for example, the axial holes with odd serial numbers are divided into a group called as a first hole, and the axial holes with even serial numbers are divided into a group called as a second hole. In order to facilitate the manufacture of the axial hole, the two ends of the axial hole are sealed by the plugs 2 in this embodiment.
The double-sleeve structure of the shaft head 8 means that an axial channel is arranged in the shaft head 8, a central pipe 6 is arranged in the axial channel, an annular space formed between the central pipe 6 and the axial channel is used as one channel of cooling water, the central pipe 6 is used as the other channel of the cooling water, namely two cooling water channels which are not communicated with each other are formed in the same shaft head 8, wherein the cooling water in one cooling water channel flows through the inner surface of the central pipe 6, the cooling water in the other cooling water channel flows through the outer surface of the central pipe 6, therefore, the two cooling water channels are in a nested relationship in structure, and can be respectively called as an inner channel and an outer channel for the convenience of description. In the conventional crystallization roller, in order to cool the cooling water in a "double-inlet and double-outlet" mode, the shaft head of the crystallization roller is usually provided with a plurality of axial passages distributed around the central axis, for example, the cross section of the shaft head is equally divided into four sectors, and each sector is provided with one axial passage. This application is through setting up center tube 6 in the axial passageway of spindle nose 8, adopts the cooling water passageway of two sleeve structures, can make "two advances two play" mode obtain bigger cooling water yield, is favorable to improving the cooling effect.
Specifically, the left spindle head has a left channel 15 coaxial with the roll body 1, a left tube 28 coaxial with the roll body 1 is arranged in the left channel 15, the left tube 28 forms an inner channel, an annular space between the left tube 28 and the left channel 15 forms an outer channel, one of the first hole 17 and the second hole 26 is communicated with the left channel 15 through a first radial hole, the other is communicated with the left tube 28 through a second radial hole (i.e., the radial hole 14), the second radial hole is closer to the middle of the roll body 1 than the first radial hole, i.e., the radial cross section where the second radial hole is located is offset from the radial cross section where the first radial hole is located, and since the second radial hole is communicated with the inner channel (the left tube 28), for the convenience of structural design, the embodiment makes the radial cross section where the second radial hole is located closer to the middle of the roll body 1 than the radial cross section where the first radial hole is located.
Similar to the left axle head, the right axle head has a right channel 23 coaxial with the roller body 1, a right tube 19 coaxial with the roller body 1 is arranged in the right channel 23, one of the first hole 17 and the second hole 26 is communicated with the right channel 23 through a third radial hole, the other is communicated with the right tube 19 through a fourth radial hole, and the fourth radial hole is closer to the middle part of the roller body 1 than the third radial hole.
In this embodiment, no matter the left spindle nose or the right spindle nose, the outer channel is used as a water inlet channel, the inner channel is used as a water return channel, that is, the left spindle nose and the right spindle nose are both provided with a water inlet hole and a water outlet hole, as shown in fig. 2 and fig. 3, the left spindle nose is provided with a left water return hole 11 and a left water inlet hole 12, the left end of the left pipe 28 is supported in the channel (i.e., the left channel 15) of the left spindle nose by the support ring 10, the left water inlet hole 12 is communicated with the annular space (i.e., the outer channel) on the right side of the support ring 10, the left water return hole 11 is communicated with the left channel auxiliary cavity on the left side of the support ring 10, the left end of the left channel auxiliary cavity is sealed by a plug 30, the right end is communicated with the left pipe 28, the support ring 10 and the left pipe 28 together separate the channel of the left spindle nose into the water inlet channel and the water return channel, and in order to avoid water channeling as much as possible, a sealing ring 29 may be provided on the joint surface of the support ring 10 and the left channel 15. As shown in fig. 3 and 4, similar to the left axle head, the right axle head is provided with a right water return hole 21 and a right water inlet hole 22, the right end of the right pipe 19 is supported in the channel (namely, the right channel 23) of the right axle head by the support ring, the right water inlet hole 22 is communicated with the left annular space (namely, the outer channel) of the support ring, the right water return hole 21 is communicated with the right channel auxiliary cavity 20 on the right side of the support ring, the right end of the right channel auxiliary cavity 20 is sealed by the plug, the left end is communicated with the right pipe 19, and in order to transmit the rotation motion and the moment generated by the driving mechanism to the crystallization roller, the transmission connecting piece 31 can be arranged at the right end of the right axle head.
It should be noted that, in this embodiment, the cooling water in the water inlet passage of the left spindle nose enters the water return passage of the right spindle nose after flowing through the axial hole (i.e., the first hole 17) of the roll body 1, and the cooling water in the water inlet passage of the right spindle nose enters the water return passage of the left spindle nose after flowing through the axial hole (i.e., the second hole 26) of the roll body 1. As shown in fig. 1 to 4, the specific path of the cooling water from left to right is: left inlet hole 12 → left channel 15 → left counterbore 13 → first hole left end 16 → first hole right end 18 → right pipe 19 → right return hole 21. The specific path of the cooling water from left to right is as follows: the right inlet hole 22 → the right channel 23 → the right counterbore 24 → the second hole right end 25 → the second hole left end 27 → the left pipe 28 → the left return hole 11.
Of course, in other embodiments, the left shaft head and the right shaft head can also use the outer channel as a water return channel, and the inner channel as a water inlet channel. Or, the inner channel and the outer channel on the same shaft head can be used as channels for the same purpose (water inlet or water return), for example, the inner channel and the outer channel of the left shaft head are both used as water inlet channels, and the inner channel and the outer channel of the right shaft head are both used as water return channels.
As shown in fig. 2, in this embodiment, a portion of the left channel 15 close to the roll body 1 is a left counterbore 13, the left spindle head includes a blank cap 5 disposed in the left counterbore 13, a radial cross section where a first radial hole (i.e., a radial hole communicating the first hole 17 with the left channel 15) is located between the bottom of the left counterbore 13 and an inner surface of the blank cap 5, and a portion of a second radial hole (i.e., a radial hole communicating the second hole 26 with the left pipe 28) is opened in the blank cap 5. Specifically, the blank cap 5 can be fixed on the left spindle head through bolts, and as shown in fig. 2, the present embodiment enables the blank cap 5 to have a flange structure connected with the opening edge of the left counter bore 13 through the bolts 7. Because a part of the second radial hole is arranged on the blank cap 5, in order to prevent water from flowing between the second radial hole and the left counter bore 13 as much as possible, the sealing rings 4 can be arranged on the surface of the blank cap 5 and on two sides of the radial section where the second radial hole is located.
Similar to the left axle head, in the right axle head, the part of the right channel 23 close to the roller body 1 is a right counterbore 24, the right axle head comprises a blank cap arranged in the right counterbore 24, a part of a fourth radial hole (namely, a radial hole for communicating the first hole 17 with the right pipe 19) is arranged on the blank cap, and a radial section where the third radial hole (namely, a radial hole for communicating the second hole 26 with the right channel 23) is positioned between the bottom of the right counterbore 24 and the inner surface of the blank cap.
Similar to the arrangement of the sealing rings 4, in this embodiment, four sealing rings 3 are respectively arranged on the circumferential joint surface of the left shaft head and the roller body 1 and the circumferential joint surface of the right shaft head and the roller body 1, taking the circumferential joint surface of the left shaft head and the roller body 1 as an example, first sealing rings are arranged on two sides of a radial section where the first radial hole is located, and second sealing rings are arranged on two sides of a radial section where the second radial hole is located. It is easy to understand that on the circumferential joint surface of the right spindle nose and the roll body 1, the two sides of the radial section where the third radial hole is located are provided with third sealing rings, and the two sides of the radial section where the fourth radial hole is located are provided with fourth sealing rings.
In order to monitor whether the cooling water is mixed with water at the joint surface position due to the problem of the sealing ring 3, the left shaft head is provided with a water mixing monitoring hole 32, one end of the water mixing monitoring hole 32 is opened on the surface of the left shaft head between the first sealing ring and the second sealing ring, and the other end of the water mixing monitoring hole is opened on the non-joint surface of the left shaft head and the roller body 1. The water channeling monitoring hole 32 may be formed in an L shape, and an opening of the water channeling monitoring hole in the non-combined surface of the left spindle head and the roll body 1 may be closed by a plug 33, so that the plug 33 is removed when it is checked whether water is present in the water channeling monitoring hole 32. Similarly, the right shaft head can also be provided with a water channeling monitoring hole, one end of the water channeling monitoring hole is opened on the surface of the right shaft head between the third sealing ring and the fourth sealing ring, and the other end of the water channeling monitoring hole is opened on the non-combined surface of the right shaft head and the roller body 1.
The present application also provides a thin strip continuous casting apparatus including the crystallization rolls disclosed in the above embodiments. Since the crystallization rolls disclosed in the above embodiments have the above technical effects, the thin strip continuous casting apparatus having the crystallization rolls also has the above technical effects, and the details are not repeated herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a thin strip steel continuous casting equipment's crystallization roller, its characterized in that, including left spindle nose, right spindle nose and the roll body that the components of a whole that can function independently set up, the roll body is tubular structure, left spindle nose with right spindle nose through first bolted connection in the both ends of roll body.
2. The crystallization roller as claimed in claim 1, wherein the roller body is provided with a plurality of axial holes for circulating cooling water, and the axial holes are uniformly distributed around the axis of the roller body and are divided into a first hole and a second hole which are alternately arranged in sequence;
the left shaft head is provided with a left channel coaxial with the roller body, a left pipe coaxial with the roller body is arranged in the left channel, one of the first hole and the second hole is communicated with the left channel through a first radial hole, the other one of the first hole and the second hole is communicated with the left pipe through a second radial hole, and the second radial hole is closer to the middle part of the roller body than the first radial hole;
the right shaft head is provided with a right channel coaxial with the roller body, a right pipe coaxial with the roller body is arranged in the right channel, one of the first hole and the second hole is communicated with the right channel through a third radial hole, the other one is communicated with the right pipe through a fourth radial hole, and the fourth radial hole is closer to the middle part of the roller body than the third radial hole.
3. The crystallization roller as claimed in claim 2, wherein the portion of the left channel close to the roller body is a left counter bore, the left spindle head comprises a first blank cap arranged in the left counter bore, the radial section of the first radial hole is located between the bottom of the left counter bore and the inner surface of the first blank cap, and a part of the second radial hole is arranged in the first blank cap;
and/or, the part of the right channel close to the roller body is a right counter bore, the right shaft head comprises a second blank cap arranged in the right counter bore, the radial section of the third radial hole is located between the bottom of the right counter bore and the inner surface of the second blank cap, and one part of the fourth radial hole is arranged in the second blank cap.
4. The crystallization roller as claimed in claim 3, wherein the first blank cap has a flange structure bolted to a mouth edge of the left counterbore;
and/or the second blank cap is provided with a flange structure which is connected with the opening edge of the right counter bore through a bolt.
5. The crystallization roller as claimed in claim 2, wherein the first radial holes are provided at both sides of a radial cross section thereof with first sealing rings located at a circumferential joint surface of the left spindle nose and the roller body, and the second radial holes are provided at both sides of a radial cross section thereof with second sealing rings located at a circumferential joint surface of the left spindle nose and the roller body;
and third sealing rings located on the circumferential joint surface of the right shaft head and the roller body are arranged on two sides of the radial section where the third radial hole is located, and fourth sealing rings located on the circumferential joint surface of the right shaft head and the roller body are arranged on two sides of the radial section where the fourth radial hole is located.
6. The crystallization roller as claimed in claim 5, wherein the left shaft head is provided with a first water channeling monitoring hole, one end of the first water channeling monitoring hole is opened on the surface of the left shaft head between the first sealing ring and the second sealing ring, and the other end of the first water channeling monitoring hole is opened on the non-combined surface of the left shaft head and the roller body;
the right shaft head is provided with a second water channeling monitoring hole, one end of the second water channeling monitoring hole is opened on the surface of the right shaft head between the third sealing ring and the fourth sealing ring, and the other end of the second water channeling monitoring hole is opened on the non-combined surface of the right shaft head and the roller body.
7. The crystallization roller as claimed in claim 6, wherein the first water channeling monitoring hole and the second water channeling monitoring hole are each L-shaped.
8. The crystallization roller as claimed in any one of claims 1 to 7, wherein the left shaft head and the right shaft head are provided with connecting portions with flange structures, two ends of the roller body are respectively provided with a joint portion sleeved with the connecting portions, and the flange structures of the connecting portions are abutted against the end surfaces of the roller body and fixedly connected by the first bolts.
9. The crystallization roller as claimed in claim 8, wherein the thickness of the joint is 1.2 to 2 times the thickness of the other portion of the roller body than the joint.
10. A thin strip continuous casting apparatus comprising the crystallization roll according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210209094.8A CN114559000A (en) | 2022-03-03 | 2022-03-03 | Thin strip steel continuous casting equipment and crystallization roller thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210209094.8A CN114559000A (en) | 2022-03-03 | 2022-03-03 | Thin strip steel continuous casting equipment and crystallization roller thereof |
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| CN114559000A true CN114559000A (en) | 2022-05-31 |
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| CN202210209094.8A Pending CN114559000A (en) | 2022-03-03 | 2022-03-03 | Thin strip steel continuous casting equipment and crystallization roller thereof |
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| CN (1) | CN114559000A (en) |
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Effective date of registration: 20220921 Address after: 100080 No. 8, Haidian Avenue, Haidian District, Beijing Applicant after: SINOSTEEL EQUIPMENT & ENGINEERING Co.,Ltd. Applicant after: Shanghai Shanyi Metallurgical Technology Co.,Ltd. Address before: Floor 26, No. 8, Haidian Street, Haidian District, Beijing 100080 Applicant before: SINOSTEEL EQUIPMENT & ENGINEERING Co.,Ltd. |
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