CN111299528A - Casting nozzle for improving casting and rolling speed and casting and rolling equipment applying same - Google Patents
Casting nozzle for improving casting and rolling speed and casting and rolling equipment applying same Download PDFInfo
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- CN111299528A CN111299528A CN202010188257.XA CN202010188257A CN111299528A CN 111299528 A CN111299528 A CN 111299528A CN 202010188257 A CN202010188257 A CN 202010188257A CN 111299528 A CN111299528 A CN 111299528A
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- casting
- nozzle
- rolling
- rolling speed
- increasing
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Links
- 238000005266 casting Methods 0.000 title claims abstract description 116
- 238000005096 rolling process Methods 0.000 title claims abstract description 56
- 238000001816 cooling Methods 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000002955 isolation Methods 0.000 claims abstract description 9
- 239000011800 void material Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 25
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004401 flow injection analysis Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B22D11/0637—Accessories therefor
- B22D11/064—Accessories therefor for supplying molten metal
- B22D11/0642—Nozzles
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Metal Rolling (AREA)
Abstract
The invention belongs to the technical field of non-ferrous metal cast-rolling production, and relates to a casting nozzle for improving the cast-rolling speed and cast-rolling equipment using the casting nozzle, wherein at least two channels are arranged in parallel in the casting nozzle; a plurality of shunting blocks are arranged in the inner cavity of the casting nozzle; the casting and rolling equipment comprises a front box, wherein the front box is divided into a plurality of liquid level isolation boxes, and each liquid level isolation box is communicated to a channel in the casting nozzle through a chute; and a roller is arranged on the liquid outlet side of the casting nozzle. The invention can form effective cooling arc length between the casting nozzle and the roll surface of the roll, prolong the contact area, improve the cooling capacity and effectively improve the cooling capacity of the casting roll, thereby improving the casting and rolling production speed, meeting the requirement of high-efficiency casting and rolling production and ensuring the production quality.
Description
Technical Field
The invention belongs to the technical field of non-ferrous metal casting and rolling production, and relates to a casting nozzle for improving casting and rolling speed and casting and rolling equipment using the casting nozzle.
Background
The cast-rolling production process has become a common understanding of modern industrial production due to the advantages of short flow, high efficiency, low energy consumption and the like. However, the industrial production of high-speed continuous casting and rolling is not yet mature, the technology still needs to be developed, and especially, many technical problems need to be solved in the aspect of casting and rolling equipment, most researchers have intensively studied on roller cooling devices, but many researchers have no revolutionary progress, and especially, the production speed is not improved subversively, or the production cannot be continued because of unstable equipment, or the production cannot be realized because of high strength grade of varieties. The urgent tasks of the current aluminum strip production are how to improve the production efficiency, how to improve the production variety and how to rapidly produce high-strength alloy aluminum, and the urgent needs and market situation requirements of the current aluminum strip production enterprises are met.
On this basis, it is necessary to seek a method and means for improving productivity and productivity, but in the case where the internal structure and external conditions of the existing casting and rolling machine are determined, it seems unlikely that the improvement of cooling capacity of the casting and rolling machine is desired, and thus the improvement and improvement of casting and rolling production speed is also restricted for a long time. However, with the innovation of the technology and the urgent need of the product, the deep technology thereof must be explored, so that the cooling capacity of the casting roller can be rapidly improved, and the production efficiency is further improved. The liquid supply area of the casting roller is a core area with cooling capacity, the essence of the core area is that the molten aluminum is in contact heat exchange with the roller surfaces of the two rollers, and the size of the contact area directly determines the cooling heat exchange capacity. Therefore, the proper contact heat exchange area is beneficial to improving the cooling capacity, the cooling contact arc length is improved on the basis, the cooling heat exchange time is prolonged, and the cooling capacity is improved.
Because the conventional casting and rolling machine which is commonly used at present adopts a 'casting and rolling machine + single short casting nozzle' arrangement mode, the cooling capacity is low, the casting and rolling speed is slow, the requirement of increasing the production and increasing the speed can not be met, and meanwhile, the conventional casting and rolling machine can not produce high-strength alloy aluminum due to the limitation of the cooling capacity and can not meet the requirement of the current technical development.
Disclosure of Invention
In view of the above, the present invention provides a nozzle for increasing a casting and rolling speed and a casting and rolling apparatus using the nozzle, and provides a technical scheme with a multi-channel nozzle, which is used to solve the problems of insufficient cooling capacity, low cooling efficiency, low production speed, high energy consumption, poor economy, etc. in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a casting nozzle for improving the casting and rolling speed is provided with at least two channels in parallel; and a plurality of shunting blocks are arranged in the inner cavity of the casting nozzle.
Optionally, the inner cavity of the casting nozzle is a cavity distributed according to a mathematical rule, and the plurality of shunting blocks form a positive space.
Optionally, the arrangement of the shunting blocks is more than that of the vertical type:
L＝nS+mx+y+2b
in the formula:
-L is the total length of the lumen in mm;
s is the width of the shunting block, and S is 6-12 mm;
-x is the edge void length in mm;
-y is the central void length in mm;
b is the length of a gap at the end part, and the unit b is 40-60 mm;
n is the number of shunting blocks；
-m is the number of edge voids.
The casting and rolling equipment for improving the casting and rolling speed comprises a front box, wherein the front box is divided into a plurality of liquid level isolation boxes, and each liquid level isolation box is communicated to a channel in the casting nozzle through a chute; and a roller is arranged on the liquid outlet side of the casting nozzle.
Optionally, the mill roll device further comprises a frame, and the mill roll is mounted on the frame.
Optionally, the front box, the chute and the casting nozzle are all arranged on the frame through adjusting and locking devices.
Optionally, the casting nozzle device further comprises a casting nozzle seat, and the casting nozzle is fixed in the casting nozzle seat.
Optionally, the casting device further comprises an outlet cooling device, wherein the outlet cooling device is arranged on one side of the roller far away from the casting nozzle.
Optionally, the casting nozzle comprises two channels.
Optionally, the front box is a double-liquid-level isolation box and is respectively communicated to different channels of the casting nozzle.
The invention has the beneficial effects that:
the effective cooling arc length is formed between the casting nozzle and the roll surface of the roll, the contact area is prolonged, the cooling capacity is improved, the triangular splitter block is adopted to divide the inner cavity of the casting nozzle into the flow distribution nozzle suitable for liquid flow according to a certain mathematical rule, and the cooling capacity of the casting roll can be effectively improved, so that the casting and rolling production speed is improved, the efficient casting and rolling production is met, and the production quality is ensured.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic view showing the overall construction of a casting apparatus for increasing a casting speed according to the present invention;
fig. 2 is a schematic view of the overall construction of a casting nozzle for increasing the casting speed according to the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1-2, the reference numbers in the figures refer to the following elements: the device comprises a front box 1, a chute 2, a casting nozzle seat 3, a double-channel casting nozzle 4, double casting rolls 5, a machine base 6, an outlet cooling device 7, a flow dividing block 8 and an adjusting and locking device 9.
In the present embodiment, the present invention is further explained based on the present embodiment, in which the dual channel is adopted as the casting nozzle, the dual casting rollers are adopted as the rollers, and the dual liquid level isolation box is adopted as the front box.
The casting and rolling equipment for improving the casting and rolling speed in the embodiment at least comprises: the device comprises a front box 1, a chute 2, a casting nozzle seat 3, a double-channel casting nozzle 4, double casting rolls 5, a machine base 6, an outlet cooling device 6, a flow dividing block 8 and an adjusting and locking device 9. The dual-channel casting nozzle adopts a flow injection runner mode of dividing the inner cavity of the casting nozzle into two-way channels according to a mathematical liquid flow rule, and is divided into an upper channel and a lower channel, and each channel is independent and interdependent; the double-channel casting nozzle 4 is arranged on the casting nozzle seat 3; the nozzle base 3 is arranged on the adjusting and locking device 9, and the double-channel nozzle 4 is tightly matched with the roll surface 5 of the double casting roll to form an organism; the adjusting and locking device 9 is arranged on the stand 6 of the double casting rolls; the outlet cooling device 7 is arranged on the stand 6, is tightly connected with the casting and rolling machine, and can adopt roller type and air cooling to forcibly solidify and cool so as to achieve the purpose of improving the casting and rolling quality; the twin roll casting rolls 5 are mounted on the stand 6.
In the present embodiment, the chute 2 is installed on the front end of the front box 1 and connected to the dual channel nozzle 4, and the dual channel nozzle 4 is installed on the nozzle base 3, and the front box 1 and the nozzle base 3 are installed together on the adjustment locking device 9.
In this embodiment, the adjusting and locking device 9 is installed on the machine base 6, and the adjusting and locking device 9 is a mechanical screw adjusting and locking mechanism.
In this embodiment, the dual-channel casting nozzle 4 is installed between the front box 1 of the casting system and the dual casting rolls 5, the inner cavity of the dual-channel casting nozzle is a cavity distributed according to a mathematical rule, and each cavity is composed of a plurality of shunting blocks and meets the following row vertical type:
L＝nS+mx+y+2b
in the formula:
-L is the total length of the lumen, mm;
s is the width of the shunting block, and S is 6-12 mm;
-x is the edge gap length, mm;
-y is the central void length, mm;
b is the length of a gap at the end part, and b is 40-60 mm;
-n is the number of shunting blocks;
-m is the number of edge voids.
In this embodiment, the two-channel casting nozzle 4 has a triangular block structure made of a special material for the diverter block 8.
In the embodiment, the stand 6 can be installed in any rotation mode, namely horizontal and vertical rotation, and has a stand conversion variable characteristic.
The invention adopts the double-chute double-channel casting nozzle and the double-casting roll surface to form an organic cooling arc surface, prolongs the cooling arc length, enlarges the cooling contact surface, improves the cooling capacity of the roll surface, and enhances the cooling strength of the casting roll, thereby effectively improving the casting and rolling production speed and improving the production efficiency. The novel method and the equipment for improving the casting and rolling speed of the aluminum strip can meet the requirements of key process equipment in the high-speed roll type casting and rolling production of the high-strength aluminum alloy thin strip, can meet the requirements of process equipment in the roll type casting and rolling production of medium and low-speed thick strips, and particularly meet the requirements of the roll type casting and rolling production of the high-speed thin strip of high-strength aluminum alloy.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. A casting nozzle for improving the casting and rolling speed is characterized in that at least two channels are arranged in parallel in the casting nozzle; and a plurality of shunting blocks are arranged in the inner cavity of the casting nozzle.
2. A nozzle for increasing casting and rolling speed according to claim 1, wherein the nozzle cavity is a cavity distributed according to a mathematical rule, and the diverter blocks are arranged in a positive position.
3. The nozzle for increasing casting and rolling speed as set forth in claim 2, wherein the arrangement of the diverter blocks is sufficient for the vertical type:
L＝nS+mx+y+2b
in the formula:
-L is the total length of the lumen in mm;
s is the width of the shunting block, and S is 6-12 mm;
-x is the edge void length in mm;
-y is the central void length in mm;
b is the length of a gap at the end part, and the unit b is 40-60 mm;
n is the number of shunting blocks；
-m is the number of edge voids.
4. Casting and rolling equipment for improving casting and rolling speed, which is characterized in that the casting nozzle as claimed in any one of claims 1 to 3 is applied, and the casting nozzle comprises a front box, wherein the front box is divided into a plurality of liquid level isolation boxes, and each liquid level isolation box is communicated to a channel in the casting nozzle through a chute; and a roller is arranged on the liquid outlet side of the casting nozzle.
5. The casting and rolling apparatus for increasing casting and rolling speed according to claim 4, further comprising a stand, wherein the rolls are mounted on the stand.
6. Casting and rolling equipment for increasing casting and rolling speed according to claim 5, characterised in that the front box, the chute and the nozzle are arranged on the frame by means of adjusting and locking devices.
7. The casting and rolling apparatus for increasing casting and rolling speed according to claim 4, further comprising a nozzle holder, the nozzle being fixed in the nozzle holder.
8. Casting and rolling equipment for increasing the casting and rolling speed according to claim 4, characterised by further comprising outlet cooling means arranged on the side of the rolls remote from the nozzle.
9. The casting and rolling apparatus for increasing casting and rolling speed according to claim 4, wherein the nozzle includes two passages.
10. A casting and rolling apparatus for increasing casting and rolling speed as claimed in claim 9, wherein said front box is a double level isolation box communicating to different passages of the nozzle, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188257.XA CN111299528A (en) | 2020-03-17 | 2020-03-17 | Casting nozzle for improving casting and rolling speed and casting and rolling equipment applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010188257.XA CN111299528A (en) | 2020-03-17 | 2020-03-17 | Casting nozzle for improving casting and rolling speed and casting and rolling equipment applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111299528A true CN111299528A (en) | 2020-06-19 |
Family
ID=71147201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010188257.XA Pending CN111299528A (en) | 2020-03-17 | 2020-03-17 | Casting nozzle for improving casting and rolling speed and casting and rolling equipment applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111299528A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112264592A (en) * | 2020-09-24 | 2021-01-26 | 中铝材料应用研究院有限公司 | High-speed mechanical stirring casting-rolling device and method for magnesium alloy thin strip |
| CN112588863A (en) * | 2020-10-25 | 2021-04-02 | 无锡天德金属制品有限公司 | Continuous casting-rolling process for ultrathin wide-width cast-rolled aluminum plate strip |
| CN113600767A (en) * | 2021-09-03 | 2021-11-05 | 中冶赛迪工程技术股份有限公司 | High-speed homogenizing casting nozzle for casting and rolling aluminum strip |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3785428A (en) * | 1972-03-02 | 1974-01-15 | Hazelett Strip Casting Corp | Wheel-belt continuous casting machine |
| CN201008952Y (en) * | 2007-03-13 | 2008-01-23 | 中铝瑞闽铝板带有限公司 | Casting mouth for casting and rolling mill |
| CN101157093A (en) * | 2007-11-16 | 2008-04-09 | 苏州有色金属研究院有限公司 | A process equipment of magnesium alloy plate belt and technics |
| CN105170925A (en) * | 2015-09-30 | 2015-12-23 | 湖南创元铝业有限公司 | Front box of cast rolling machine |
| CN205614026U (en) * | 2015-12-16 | 2016-10-05 | 燕山大学 | Lip position mechanical adjustment device of rolling mill is cast to two rollers of horizontal |
| CN106363147A (en) * | 2016-10-11 | 2017-02-01 | 河南省淅川铝业（集团）有限公司 | Technological method for producing double-narrow band aluminium plate through large continuous casting rolling machine with wide rollers |
| CN106424617A (en) * | 2016-10-10 | 2017-02-22 | 中冶赛迪工程技术股份有限公司 | Casting nozzle for roll casting |
| CN212443147U (en) * | 2020-03-17 | 2021-02-02 | 中冶赛迪工程技术股份有限公司 | Casting nozzle for improving casting and rolling speed and casting and rolling equipment applying same |
-
2020
- 2020-03-17 CN CN202010188257.XA patent/CN111299528A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3785428A (en) * | 1972-03-02 | 1974-01-15 | Hazelett Strip Casting Corp | Wheel-belt continuous casting machine |
| CN201008952Y (en) * | 2007-03-13 | 2008-01-23 | 中铝瑞闽铝板带有限公司 | Casting mouth for casting and rolling mill |
| CN101157093A (en) * | 2007-11-16 | 2008-04-09 | 苏州有色金属研究院有限公司 | A process equipment of magnesium alloy plate belt and technics |
| CN105170925A (en) * | 2015-09-30 | 2015-12-23 | 湖南创元铝业有限公司 | Front box of cast rolling machine |
| CN205614026U (en) * | 2015-12-16 | 2016-10-05 | 燕山大学 | Lip position mechanical adjustment device of rolling mill is cast to two rollers of horizontal |
| CN106424617A (en) * | 2016-10-10 | 2017-02-22 | 中冶赛迪工程技术股份有限公司 | Casting nozzle for roll casting |
| CN106363147A (en) * | 2016-10-11 | 2017-02-01 | 河南省淅川铝业（集团）有限公司 | Technological method for producing double-narrow band aluminium plate through large continuous casting rolling machine with wide rollers |
| CN212443147U (en) * | 2020-03-17 | 2021-02-02 | 中冶赛迪工程技术股份有限公司 | Casting nozzle for improving casting and rolling speed and casting and rolling equipment applying same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112264592A (en) * | 2020-09-24 | 2021-01-26 | 中铝材料应用研究院有限公司 | High-speed mechanical stirring casting-rolling device and method for magnesium alloy thin strip |
| CN112588863A (en) * | 2020-10-25 | 2021-04-02 | 无锡天德金属制品有限公司 | Continuous casting-rolling process for ultrathin wide-width cast-rolled aluminum plate strip |
| CN112588863B (en) * | 2020-10-25 | 2022-07-19 | 无锡天德金属制品有限公司 | Continuous casting-rolling process for ultrathin wide-width cast-rolled aluminum plate strip |
| CN113600767A (en) * | 2021-09-03 | 2021-11-05 | 中冶赛迪工程技术股份有限公司 | High-speed homogenizing casting nozzle for casting and rolling aluminum strip |
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