CN117620115A

CN117620115A - Continuous casting device and method for copper-aluminum composite board strip

Info

Publication number: CN117620115A
Application number: CN202311598891.0A
Authority: CN
Inventors: 简伟民; 简文彬; 杨亚峰; 葛宗芳; 黄振宇
Original assignee: Anhui Ankun New Material Technology Co ltd
Current assignee: Anhui Ankun New Material Technology Co ltd
Priority date: 2023-11-28
Filing date: 2023-11-28
Publication date: 2024-03-01

Abstract

The utility model discloses a continuous casting device of copper aluminum composite board area, the apron has been cup jointed in the inside of shaping chamber, and the middle part of apron is through the pipe water conservancy diversion, still be provided with bar magnet at the top of apron, utilize the setting of apron and pipe, make the stable difficult fluctuation of liquid level of aluminium liquid, can stably realize cooling, the while has realized the high variation of apron according to the concrete condition when cooling crystallization, feed back in the regulation chamber through bar magnet and make the solenoid valve control open condition, make the cooling effect obtain adjusting, cooperate the steady cooling of initial stage; the bottom at the apron is provided with the bull stick to hang in the shaping chamber through the commentaries on classics piece rotation, set up the pneumatic cylinder in the casing outside simultaneously and control the regulating block regulation, the bull stick can be used for contacting the fashioned aluminum hull inner wall of cooling, thereby detects the shaping condition of aluminum hull, realizes the velocity of flow control of cooling water, makes the aluminum hull that forms in standard range and last stable the pulling out through the regulation of cooling effect.

Description

Continuous casting device and method for copper-aluminum composite board strip

Technical Field

The application relates to the technical field of continuous casting machines, in particular to a continuous casting device and a continuous casting method of copper-aluminum composite plate strips.

Background

The copper-aluminum composite plate strip is a common metal composite plate, copper and aluminum are compounded together, aluminum is melted into a liquid state and is continuously cast to obtain aluminum strips, then the aluminum strips and the heated copper strips are extruded together through rolling equipment, a common continuous casting machine consists of a ladle turntable, a tundish, a crystallizer, a cooling nozzle and the like, wherein the aluminum plates are cooled and molded in the crystallizer so as to be pulled out to form a whole aluminum plate, the existing continuous casting machine crystallizer is cooled in a mode of guiding cooling water in a shell, and the crystallizer has certain defects although wide application:

firstly, when the crystallizer works, liquid aluminum in a tundish is required to be guided into the crystallizer, and then an aluminum shell is formed through cooling of the inner wall of the crystallizer, but the liquid aluminum is positioned at the top of the crystallizer and inside the aluminum shell at the moment, so that certain fluctuation is generated during guiding and forming, meanwhile, a vibrator is arranged outside the crystallizer, so that the liquid level is more unstable, the liquid level is caused to shake, the protection slag is brought into a formed aluminum plate to affect the quality, the liquid aluminum just added into the crystallizer is not directly pulled out of the aluminum plate downwards, the aluminum plate is required to be formed at the bottom and then pulled out by a traction device, fluctuation of the liquid level is generated in the crystallizer, the cooling requirement is also changed along with the change of the liquid level, and the cooling effect is different under the condition that the cooling water is not changed, so that the production of aluminum strips is affected;

secondly, in the process of cooling the aluminum liquid, the inside of the crystallizer is actually provided with a layer of aluminum shell, and certain aluminum liquid exists in the aluminum shell, so that when the cooling effect of the crystallizer is not within a preset range, the thickness of the formed aluminum shell is different, the thickness of the aluminum shell is too small or too large, the subsequent cooling and pulling can be influenced, the quality of the finally formed aluminum strip is poor, and the manufactured copper-aluminum composite plate strip is not in accordance with the requirements.

Disclosure of Invention

The application provides a continuous casting device of copper aluminum composite board area, possesses advantage that the aluminium area crystallization shaping is effectual, the cooling effect is good for solve the problem that the background art proposed.

In order to achieve the above purpose, the present application adopts the following technical scheme: the utility model provides a continuous casting device of copper aluminum composite sheet area, includes the casing, the bottom swing joint of casing has sufficient roller, the water inlet is installed to the outside top position all around of casing, the delivery port is installed to the outside below position all around of casing, the shaping chamber has been seted up at the middle part of casing, the inner wall fixed mounting of shaping chamber has the copper, the apron has been cup jointed in the top department activity of shaping chamber, the pipe has been cup jointed in the middle part activity of apron, the first cooling water cavity with the water inlet intercommunication has been seted up to the upper half of the inner wall all around of casing, the second cooling water cavity with the delivery port intercommunication has been seted up to the lower half of the inner wall all around of casing, and communicates each other between first cooling water cavity and the second cooling water cavity, all be provided with the solenoid valve on water inlet and the delivery port, the outside is located the middle part position department of first cooling water cavity and second cooling water cavity all fixed mounting has the pneumatic cylinder all around the casing, the bottom bilateral symmetry movable mounting of apron has the bull stick.

Further, the bar magnet is symmetrically and fixedly installed around the top of the cover plate, the adjusting cavity is formed in the positions, corresponding to the end parts of the bar magnet, of the two sides of the shell, the magnetic block is sleeved in the adjusting cavity in a sliding mode on one side, close to the bar magnet, of the adjusting cavity, the reset spring is fixedly connected between the magnetic block and the side wall of the adjusting cavity, and the first sliding sheet is fixedly installed at the end part, close to one side of the reset spring, of the magnetic block.

Further, a magnetic repulsion force is arranged between the magnetic block and the end part of the corresponding strip-shaped magnet, a first resistor strip is fixedly arranged at the bottom of the adjusting cavity, and the first sliding sheet is in sliding contact with the first resistor strip and is connected into a circuit where the electromagnetic valve is located.

Further, the bottom bilateral symmetry at apron middle part has seted up the rotation groove, the inside rotation of rotation groove has cup jointed the commentaries on classics piece, the bottom and the bull stick fixed connection of commentaries on classics piece.

Further, a limiting chute is formed in the cover plate and located at the top of the rotary chute, a second resistor strip is fixedly arranged at the top of the limiting chute, a second sliding sheet is fixedly arranged at the top of the rotary block, and the end part of the second sliding sheet abuts against the inner ring of the second resistor strip.

Further, the regulating block is sleeved in the first cooling water cavity and the second cooling water cavity in a sliding mode, the output end of the hydraulic cylinder is fixedly connected with the middle of the regulating block, the isolation sleeve is sleeved on the outer side of the second sliding sheet, the isolation sleeve divides the limiting sliding groove into areas where the rotating block and the second resistor strip are located, and the circuit connected with the second resistor strip and the second sliding sheet controls the hydraulic cylinder to change in hydraulic pressure.

The continuous casting method of the copper-aluminum composite board strip comprises the following steps:

s1, a ladle rotationally transmits liquid aluminum liquid into a tundish, and then the liquid aluminum liquid is conveyed into a crystallizer along a guide pipe after stable adjustment of the tundish;

s2, gradually forming a layer of aluminum shell under the cooling action of the inner wall of the aluminum liquid flowing into the forming cavity from the guide pipe, and pulling out the aluminum shell downwards at the bottom of the crystallizer, and guiding the aluminum shell into a spray cooling area along the foot roller to further cool and form;

s3, when the aluminum liquid enters the forming cavity, the cover plate is firstly enabled to rise without being pulled out immediately, the cover plate drives the bar magnet to rise in position and the magnetic block drives the electric signal to adjust, so that the electromagnetic valve is controlled to be opened more, the flow rate of the cooling liquid is controlled to be higher, and the cooling speed is increased more rapidly;

s4, in the cooling process, the bottom of the rotating rod is contacted with the inner side of the aluminum shell, the thickness of the aluminum shell is increased to drive the rotating rod and the rotating block to rotate, then an electric signal is transmitted to the system through the second sliding sheet and the second resistor strip, the flow rate of cooling water is reduced by controlling the movement of the adjusting block through the hydraulic cylinder, and the cooling effect is ensured while the part cooled into the shell in the crystallizer is prevented from being too much;

s5, the aluminum strip coming out of the bottom of the crystallizer is sprayed and fully cooled and then is transmitted to a rolling device, and is in contact with the copper strip at the bottom, and then the copper-aluminum composite board strip is formed through rolling of a roller.

According to the continuous casting device for the copper-aluminum composite plate strip, the cover plate is sleeved in the forming cavity, the middle of the cover plate is guided by the guide pipe, and the strip magnet is further arranged at the top of the cover plate, compared with the prior art, the arrangement of the cover plate and the guide pipe is utilized, so that aluminum liquid directly flows into the forming cavity, the cover plate is driven to rise after accumulation, the larger liquid level fluctuation condition is not generated, cooling can be stably realized, meanwhile, the height change of the cover plate is realized according to the specific condition during cooling crystallization, and the strip magnet is fed back into the adjusting cavity to control the opening condition of the electromagnetic valve, so that the cooling effect is adjusted, and the stable cooling in the initial stage is matched;

through being provided with the bull stick in the bottom of apron to rotate through the commentaries on classics piece and hang in the shaping chamber, set up the pneumatic cylinder in the casing outside simultaneously and control the regulating block regulation, compared in prior art, the bull stick can avoid the vortex influence on the one hand, on the other hand can be used for contacting the fashioned aluminum hull inner wall of cooling, thereby detect the shaping condition of aluminum hull, and convert it into electric signal transmission to the system, the system drives the regulating block according to the space change in the first cooling water cavity and the second cooling water cavity of specific condition control pneumatic cylinder, further realize the velocity of flow control of cooling water, also make the aluminum hull that forms in standard range and last stable the pulling out through the regulation of cooling effect.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.

The disclosure may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top plan view of the overall structure of the present invention;

FIG. 3 is a partial cross-sectional view of the entire structure of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 6 is an enlarged view of FIG. 4 at C;

FIG. 7 is an enlarged view of FIG. 5 at D;

FIG. 8 is a drawing showing the forming and drawing of the aluminum strip according to the present invention.

Wherein: 1. a housing; 101. a molding cavity; 102. a first cooling water chamber; 103. a second cooling water chamber; 104. a regulating chamber; 2. a foot roller; 3. a water inlet; 4. a water outlet; 5. copper plate; 6. a cover plate; 601. a rotating groove; 602. limiting sliding grooves; 7. a conduit; 8. an electromagnetic valve; 9. a hydraulic cylinder; 10. a bar magnet; 11. a rotating block; 12. a rotating rod; 13. a magnetic block; 14. a return spring; 15. a first slide; 16. a first resistor bar; 17. a second resistor bar; 18. a second slide; 19. an isolation sleeve; 20. an adjusting block; 21. an aluminum belt.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Referring to fig. 1-7, a continuous casting device for copper-aluminum composite plate strip comprises a shell 1, a foot roller 2 is movably connected to the bottom of the shell 1, a water inlet 3 is arranged at the upper position of the periphery of the shell 1, a water outlet 4 is arranged at the lower position of the periphery of the shell 1, the water inlet 3 and the water outlet 4 are opposite water inlets and outlets, the water inlet 3 and the water outlet 4 can be selected to be water from the water inlet 3 in actual use, so that the structures arranged in a first cooling water cavity 102 and a second cooling water cavity 103 are identical, a forming cavity 101 is formed in the middle of the shell 1, a copper plate 5 is fixedly arranged on the inner wall of the forming cavity 101, a cover plate 6 is movably sleeved at the top of the forming cavity 101, a guide pipe 7 is movably sleeved at the middle of the cover plate 6, the top of the guide pipe 7 is fixedly connected with the bottom of a tundish, and thus molten aluminum flowing down from the tundish can enter the forming cavity 101 along the guide pipe 7, and because the traction block is preset in the bottom of the forming cavity 101, aluminum liquid is accumulated in the forming cavity 101, the cover plate 6 is driven to move upwards along with the rising of the liquid level, a stable aluminum shell is formed at the bottom and pulled downwards, so that the liquid level is unstable under the action of an electromagnetic vibrator outside the crystallizer in the process and the cover plate 6 just ensures that the cover plate 6 does not generate large fluctuation, thereby causing casting powder to be mixed into aluminum liquid, the upper half part of the inner wall around the shell 1 is provided with a first cooling water cavity 102 communicated with the water inlet 3, the lower half part of the inner wall around the shell 1 is provided with a second cooling water cavity 103 communicated with the water outlet 4, the first cooling water cavity 102 and the second cooling water cavity 103 are mutually communicated, the water inlet 3 and the water outlet 4 are respectively provided with an electromagnetic valve 8, the electromagnetic valve 8 is used for controlling the opening of the water inlet and outlet of the first cooling water cavity 102 and the second cooling water cavity 103, so that the cooling speed is adjusted: the flow and the flow velocity of cooling water can directly influence the heat dissipation, the outside is located the middle part position department of first cooling water cavity 102 and second cooling water cavity 103 around casing 1, hydraulic cylinder 9 is all fixed mounting, hydraulic cylinder 9 is the regulation that is used for controlling regulating block 20 in first cooling water cavity 102 and second cooling water cavity 103, thereby make the space variation that first cooling water cavity 102 and second cooling water cavity 103 inside can deposit water, further just realized the change control of cooling water flow velocity, just also realize the change of heat transfer rate, be used for controlling the holistic cooling effect regulation of crystallizer, the bottom bilateral symmetry movable mounting of apron 6 has bull stick 12, bull stick 12 is located the aluminium liquid, on the one hand can organize the aluminium liquid effectively and form the vortex in shaping chamber 101, thereby avoid appearing great fluctuation, on the other hand can cooperate the aluminium shell that forms to detect the cooling effect, guarantee to reach the holistic aluminium liquid cooling effect. The strip magnet 10 is symmetrically and fixedly installed at the front and back positions of the top of the cover plate 6, the adjusting cavity 104 is formed in the positions, corresponding to the end parts of the strip magnet 10, of the two sides of the shell 1, the magnetic block 13 is sleeved in the adjusting cavity 104 in a sliding mode on one side, close to the strip magnet 10, of the adjusting cavity, repulsive force change between the strip magnet 10 and the magnetic block 13 can be achieved through the height change of the strip magnet 10, accordingly, the repulsive force change can adjust resistance change through the sliding of the first sliding vane 15, current adjustment is further achieved, the feedback is carried out on the electromagnetic valve 8 to control the opening of the first cooling water cavity 102 and the second cooling water cavity 103, a reset spring 14 is fixedly connected between the magnetic block 13 and the side wall of the adjusting cavity 104, the reset spring 14 plays a reset role, and the end part, close to the reset spring 14, of the magnetic block 13, of the side, close to the reset spring 14 can be reset after the repulsive force change, of the strip magnet 10 can be reset, the end part, which is fixedly installed with the first sliding vane 15. The magnetic repulsion force is arranged between the magnetic block 13 and the end part of the corresponding strip magnet 10, the first resistor strip 16 is fixedly arranged at the bottom of the adjusting cavity 104, the first sliding sheet 15 is in sliding contact with the first resistor strip 16 and is connected into a circuit where the electromagnetic valve 8 is located, when the strip magnet 10 moves upwards and is far away from the magnetic block 13, the repulsion force is reduced, at the moment, the magnetic block 13 slides to one side of the strip magnet 10 under the action of the reset spring 14 and drives the first sliding sheet 15 to synchronously slide along the first resistor strip 16, at the moment, the opening of the electromagnetic valve 8 is larger, the flow rate and the flow rate of cooling water are increased, the cooling water is rapidly cooled down to form a required aluminum shell, then the aluminum liquid level in the forming cavity 101 after the aluminum strip is pulled downwards is lowered, meanwhile, the strip magnet 10 is driven to return, the repulsive force applied to the magnetic block 13 is increased and the first sliding sheet 15 is driven to slide backwards, then the opening of the electromagnetic valve 8 is driven to be reduced, and the cooling effect is changed to the temperature of the aluminum strip normally pulled out.

Referring to fig. 3-8, a rotating groove 601 is symmetrically formed on two sides of the bottom of the middle part of the cover plate 6, a rotating block 11 is rotatably sleeved in the rotating groove 601, the bottom of the rotating block 11 is fixedly connected with a rotating rod 12, the rotating rod 12 and the rotating block 11 are matched to play a role in detection, the thickness of an aluminum shell inside the formed aluminum shell can be used for being in contact with the rotating rod 12, so that the rotating rod 12 can deviate towards the middle part under the condition that the thickness of the aluminum shell is too thick, and signals at the top of the rotating block 11 are transmitted to a system to inform cooling adjustment in the first cooling water cavity 102 and the second cooling water cavity 103, and the forming effect of the aluminum shell is in a required range. The cover plate 6 is internally provided with a limiting chute 602 at the top of the rotating groove 601, the top of the limiting chute 602 is fixedly provided with a second resistor strip 17, the top of the rotating block 11 is fixedly provided with a second sliding sheet 18, the end part of the second sliding sheet 18 is propped against the inner ring of the second resistor strip 17, the second sliding sheet 18 slides along the second resistor strip 17 to drive the change of an electric signal, the electric signal is transmitted to a system to control the hydraulic cylinder 9, and then the flow condition of cooling water in the first cooling water cavity 102 and the second cooling water cavity 103 is regulated, so that the control and regulation of the cooling effect are realized. The first cooling water cavity 102 and the second cooling water cavity 103 are internally and slidably sleeved with the adjusting block 20, the output end of the hydraulic cylinder 9 is fixedly connected with the middle part of the adjusting block 20, the outer side of the second sliding vane 18 is sleeved with the insulating sleeve 19, the insulating sleeve 19 divides the limiting sliding chute 602 into areas where the rotating block 11 and the second resistor strip 17 are located, the circuit of the second resistor strip 17 and the second sliding vane 18 is connected with the hydraulic cylinder 9 to control the hydraulic pressure change, when the thickness of an aluminum shell is overlarge, the system controls the hydraulic cylinder 9 to pull the adjusting block 20 outwards after the thickness of the aluminum shell is detected through the rotating rod 12, so that the water storage space of the first cooling water cavity 102 and the second cooling water cavity 103 is enlarged, but the flow rate of the electromagnetic valve 8 on the water inlet 3 and the water outlet 4 is not regulated, so that the flow rate inside the first cooling water cavity 102 and the second cooling water cavity 103 is reduced, the heat exchange speed is reduced, the cooling effect is reduced, the thickness of the aluminum shell formed in the forming cavity 101 is not too large, and the non-meeting the requirements after the pulling is avoided, and vice versa.

s1, a ladle rotationally transmits liquid aluminum liquid into a tundish, and then the liquid aluminum liquid is conveyed into a crystallizer along a guide pipe 7 after stable adjustment of the tundish;

s2, the aluminum liquid flowing into the forming cavity 101 from the guide pipe 7 is gradually formed into a layer of aluminum shell under the cooling action of the inner wall, and is pulled out downwards at the bottom of the crystallizer and guided into a spray cooling area along the foot roller 2 to be further cooled and formed;

s3, when the aluminum liquid enters the forming cavity 101, the cover plate 6 is firstly lifted up without being pulled out immediately, the cover plate 6 drives the bar magnet 10 to lift up and the magnetic block 13 drives the electric signal to adjust, so that the electromagnetic valve 8 is controlled to be opened more, the flow rate of the cooling liquid is controlled to be higher, and the cooling speed is increased more rapidly;

s4, in the cooling process, the bottom of the rotating rod 12 is contacted with the inner side of the aluminum shell, the thickness of the aluminum shell is increased to drive the rotating rod 12 and the rotating block 11 to rotate, then an electric signal is transmitted to the system through the second sliding sheet 18 and the second resistor strip 17, the flow rate of cooling water is reduced by controlling the movement of the adjusting block 20 through the hydraulic cylinder 9, and the cooling effect is ensured while the part cooled into the shell in the crystallizer is avoided;

Claims

1. The utility model provides a continuous casting device of copper aluminum composite sheet area which characterized in that: including casing (1), the bottom swing joint of casing (1) has foot roller (2), water inlet (3) are installed to the outside top all around of casing (1), water outlet (4) are installed to the outside below all around of casing (1), cavity (101) have been seted up to the middle part of casing (1), the inner wall fixed mounting of cavity (101) has copper (5), the top department activity in cavity (101) has cup jointed apron (6), the middle part activity of apron (6) has cup jointed pipe (7), first cooling water cavity (102) with water inlet (3) intercommunication have been seted up to the upper half of casing (1) inner wall all around, second cooling water cavity (103) with water outlet (4) intercommunication have been seted up to the lower half of casing (1) inner wall all around, and first cooling water cavity (102) communicate each other with second cooling water cavity (103), all be provided with solenoid valve (8) on water inlet (3) and water outlet (4), casing (1) outside is located first cooling water cavity (102) and second cooling water cavity (103) and second cooling cylinder (3) all around and has the fixed mounting hydraulic cylinder (12) of both sides of the bottom of the equal movable cover plate (9).

2. The continuous casting device for copper aluminum composite strips according to claim 1, wherein: the utility model discloses a magnetic control device for the motor vehicle, including apron (6), casing (1), magnetic block (13), reset spring (14) are fixed to the top front and back position symmetry fixed mounting of apron (6), regulation chamber (104) have been seted up to the inside position that corresponds bar magnet (10) tip department in casing (1) both sides, the inside magnetic block (13) that has cup jointed near bar magnet (10) one side slip in regulation chamber (104), fixedly connected with reset spring (14) between the lateral wall of magnetic block (13) and regulation chamber (104), the tip department fixed mounting of magnetic block (13) near reset spring (14) one side has first gleitbretter (15).

3. The continuous casting device for copper aluminum composite strips according to claim 2, wherein: the magnetic block (13) and the end part of the corresponding strip-shaped magnet (10) are provided with magnetic repulsive force, a first resistor strip (16) is fixedly arranged at the bottom of the adjusting cavity (104), and the first sliding sheet (15) is in sliding contact with the first resistor strip (16) and is connected into a circuit where the electromagnetic valve (8) is located.

4. A continuous casting apparatus for copper aluminum composite strip according to claim 3, wherein: the rotary groove (601) is symmetrically formed in the two sides of the bottom of the middle of the cover plate (6), the rotary block (11) is rotatably sleeved in the rotary groove (601), and the bottom of the rotary block (11) is fixedly connected with the rotary rod (12).

5. The continuous casting device for copper aluminum composite strips according to claim 4, wherein: limiting sliding grooves (602) are formed in the cover plate (6) and located at the top of the rotating groove (601), second resistor strips (17) are fixedly mounted at the tops of the limiting sliding grooves (602), second sliding sheets (18) are fixedly mounted at the tops of the rotating blocks (11), and the end portions of the second sliding sheets (18) are abutted to inner circles of the second resistor strips (17).

6. The continuous casting device for copper aluminum composite strips according to claim 5, wherein: the first cooling water cavity (102) and the second cooling water cavity (103) are internally sheathed with the regulating block (20) in a sliding manner, the output end of the hydraulic cylinder (9) is fixedly connected with the middle part of the regulating block (20), the outer side of the second sliding vane (18) is sheathed with the insulating sleeve (19), the limiting sliding chute (602) is divided into areas where the rotating block (11) and the second resistor strip (17) are located by the insulating sleeve (19), and the circuit connected with the second resistor strip (17) and the second sliding vane (18) controls the hydraulic cylinder (9) to change hydraulically.

7. A method for continuous casting of copper aluminum composite strip as claimed in claim 7, wherein: the method comprises the following steps:

s1, a ladle rotationally transmits liquid aluminum liquid into a tundish, and then the liquid aluminum liquid is conveyed into a crystallizer along a guide pipe (7) after stable adjustment of the tundish;

s2, the aluminum liquid flowing into the forming cavity (101) from the guide pipe (7) is gradually formed into a layer of aluminum shell under the cooling action of the inner wall, and is pulled out downwards at the bottom of the crystallizer and guided into a spray cooling area along the foot roller (2) to be further cooled and formed;

s3, when the aluminum liquid enters the forming cavity (101), the cover plate (6) is firstly lifted without being pulled out immediately, the cover plate (6) drives the bar magnet (10) to lift up and drives the electric signal to adjust through the magnetic block (13), so that the electromagnetic valve (8) is controlled to be opened more, the flow rate of the cooling liquid is controlled to be higher, and the cooling speed is increased more quickly;

s4, in the cooling process, the bottom of the rotating rod (12) is contacted with the inner side of the aluminum shell, the thickness of the aluminum shell is increased to drive the rotating rod (12) and the rotating block (11) to rotate, then an electric signal is transmitted to a system through a second sliding sheet (18) and a second resistor strip (17), the movement of the adjusting block (20) is controlled through the hydraulic cylinder (9) to reduce the flow rate of cooling water, and the cooling effect is ensured while the part cooled into the shell in the crystallizer is prevented from being too much;