CN208004781U - A kind of On-Line Dynamic Monitoring prevents the hollow electroslag remelting interior crystallizer braking system of stripping formula - Google Patents
A kind of On-Line Dynamic Monitoring prevents the hollow electroslag remelting interior crystallizer braking system of stripping formula Download PDFInfo
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- CN208004781U CN208004781U CN201820135372.9U CN201820135372U CN208004781U CN 208004781 U CN208004781 U CN 208004781U CN 201820135372 U CN201820135372 U CN 201820135372U CN 208004781 U CN208004781 U CN 208004781U
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Abstract
The utility model discloses a kind of On-Line Dynamic Monitorings to prevent the hollow electroslag remelting interior crystallizer braking system of stripping formula, including crystallizer, water cooling interior crystallizer, water cooling dummy ingot conduction bottom water case, slag bath, stripping device, rise fall of electrodes driving motor and stripping motor outside dummy electrode, consutrode group, water cooling, it further includes crossbeam, pressure sensor, communication power supply, control system, crossbeam is arranged outside water cooling above crystallizer, water cooling is outer to install pressure sensor between crystallizer and crossbeam, water cooling interior crystallizer is fixed on the lower section of crossbeam；Communication power supply is connected to by cable one end on dummy electrode, and the other end is connected on water cooling dummy ingot conduction bottom water case；Control system is connect with pressure sensor, rise fall of electrodes driving motor and stripping motor.The device can timely and accurately On-Line Dynamic Monitoring and adjustment the hollow esr process of stripping formula in interior crystallizer stress, avoid locking phenomenon, it is ensured that smelting process is smoothed out.
Description
Technical field
The utility model, which belongs to metal electroslag remelting technique FIELD OF THE INVENTIONThe more particularly to a kind of dynamic, prevents stripping formula hollow
The device of electroslag remelting interior crystallizer locking.
Background technology
Electroslag remelting hollow steel ingot technology is to prepare one of the important method of the seamless special steel of high-quality and special alloy.Electricity
During slag remelting hollow steel ingot, the annular space of crystallizer and water cooling dummy device composition outside water cooling interior crystallizer, water cooling
Middle addition liquid slag, the end of consutrode is inserted.When the consutrode, clinker, bottom water case of branched parallel connection pass through
When short net forms current supply circuit with transformer, just there is electric current, by molten slag, to make the end of consutrode from transformer output
It is gradually heated by the sonochemical activity fusing, molten metal enters metal bath across slag bath, because outer crystallizer center is equipped with water cooling interior crystallizer,
Liquid metal gradually solidifies, and forms hollow steel ingot.After hollow steel ingot reach a certain height, start stripping.
Due to the presence of water cooling interior crystallizer, hollow steel ingot is made to generate larger difference in Solidification Characteristics with solid steel ingot.
The solidification shrinkage of hollow steel ingot make ingot casting far from outside water cooling while crystallizer close to water cooling interior crystallizer, bored in inside and outside crystallizer
When degree, design of Cooling System and several technological parameters (remelting power, burn-off rate and stripping speed etc.) mismatch, leakage will be generated
Slag, bleed-out or even water cooling interior crystallizer are by hollow steel ingot " locking ", the case where causing interior crystallizer to be broken when serious.
Pass through the interior crystallizer taper of reasonable design in the prior art；Stripping is avoided by the matching of technological parameter simultaneously
Interior crystallizer " locking " in journey." one kind being used for electro-slag continuous stripping hollow steel ingot to the patent of application number CN200920185822.6
Crystallizer ", the characteristics of author Rao Yunfu is shunk according to molten steel solidification, designs a set of reasonably de- ingot taper, it is proposed that core
Upper hem width, following narrow inverted trapezoidal shape is presented in the section of portion's crystallizer, and taper (φ 1- φ 2)/h ranges of core crystallizer are 3/
Between 100~3.5/100.This method is disadvantageous in that：It can not dynamically be monitored online and accurate adjusting process parameter.
Invention content
The utility model mainly for deficiency, providing a kind of On-Line Dynamic Monitoring prevents in the hollow electroslag remelting of stripping formula
Crystallizer braking system, can timely and accurately On-Line Dynamic Monitoring and interior crystallization in the adjustment hollow esr process of stripping formula
Device stress, avoids locking phenomenon, it is ensured that smelting process is smoothed out.
The utility model is achieved by the following technical solution：
A kind of On-Line Dynamic Monitoring prevents the hollow electroslag remelting interior crystallizer braking system of stripping formula, including dummy electrode, from
Power pole group, water cooling outer crystallizer, water cooling interior crystallizer, water cooling dummy ingot conduction bottom water case, slag bath, stripping device, rise fall of electrodes
Driving motor and stripping motor, it further includes crossbeam, pressure sensor, communication power supply, control system, and crossbeam is arranged in water
Above cold outer crystallizer, water cooling is outer to install pressure sensor between crystallizer and crossbeam, water cooling interior crystallizer is fixed on crossbeam
Lower section；Communication power supply is connected to by cable one end on dummy electrode, and the other end is connected on water cooling dummy ingot conduction bottom water case；
Control system is connect with pressure sensor, rise fall of electrodes driving motor and stripping motor.
Stripping device includes stripping column and stripping platform, and the lower section of crystallizer, stripping is arranged outside water cooling in stripping platform
Water cooling dummy ingot conduction bottom water case is installed on platform, crystallizer platform is installed on stripping column.
The outer crystallizer of water cooling is by crystallizer structure outside crystallizer outside crystallizer outside water cooling upper layer, water cooling middle level and water cooling lower layer
At crystallizer outside columnar water cooling lower layer is installed in crystallizer platform inside, and crystallizer top installation inner cavity is cut outside water cooling lower layer
Face is crystallizer outside the cylinder water-cooling middle level of T-type structure, crystallizer outside the water cooling upper layer of crystallizer and top outside water cooling middle level
Between be equipped with insulating layer.
Its method of adjustment includes the following steps：
Step 1 when stripping, by crossbeam fixed, and hollow steel ingot moves down by water cooling interior crystallizer, due to frictional force, is led to
Cross the when variate that detecting element-pressure sensor will collect pressure；
Variate is sent into control system as negative-feedback signal when step 2 pressure sensor is collected pressure；
Step 3 control system is using preset pressure value as positive signal；Positive signal and the difference of negative-feedback signal is used in combination
Value instantaneously adjusts stripping speed by stripping motor, and consutrode group burn-off rate is instantaneously adjusted by communication power supply, is made
Pressure sensor measurements are equal with the pressure value holding set in control system, control fusion process in water cooling interior crystallizer by
To pressure be maintained on the best stress value of melting.
The utility model has the advantages that compared with prior art:
The utility model can timely and accurately On-Line Dynamic Monitoring and adjustment the hollow esr process of stripping formula in
Crystallizer stress, avoids locking phenomenon, it is ensured that smelting process is smoothed out.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Serial number in figure:1. dummy electrode, 2. consutrode groups, 3. crossbeams, crystallizer outside 4. water cooling upper layers, 5. Alternating Current Power Supplies
Power supply, 6. insulating layers, crystallizer outside 7. water cooling middle levels, 8. crystallizer platforms, crystallizer outside 9. water cooling lower layers, 10. stripping columns,
11. stripping platform, 12. stripping motors, 13. water cooling dummy ingot conduction bottom water casees, 14. hollow steel ingots, 15. slag baths, 16. control systems
System, 17. pressure sensors, 18. water cooling interior crystallizers, 19. rise fall of electrodes driving motors.
Specific implementation mode
The technical solutions of the present invention will be further described by way of example and in conjunction with the accompanying drawings.
Embodiment：Shown in Figure 1, a kind of On-Line Dynamic Monitoring prevents the hollow electroslag remelting interior crystallizer locking of stripping formula
Device, including dummy electrode 1, consutrode group 2, crossbeam 3, crystallizer 4 outside water cooling upper layer, communication power supply 5, insulating layer 6, water
Crystallizer 7 outside cold middle level, crystallizer platform 8, crystallizer 9 outside water cooling lower layer, stripping column 10, stripping platform 11, stripping motor
12, water cooling dummy ingot conduction bottom water case 13, hollow steel ingot 14, slag bath 15, control system 16, pressure sensor 17, the interior crystallization of water cooling
Device 18, rise fall of electrodes driving motor 19；Crystallizer platform 8 is mounted on stripping column 10, and cylinder is installed in 8 inside of crystallizer platform
Crystallizer 9 outside the water cooling lower layer of shape, 9 top installation intracavity section of crystallizer is the cylinder water-cooling of T-type structure outside water cooling lower layer
Crystallizer 7 outside middle level are separated between crystallizer 4 with insulating layer 6 outside water cooling middle level, water cooling upper layer outside crystallizer 7 and water cooling upper layer
The crossbeam 3 of water cooling interior crystallizer 18 is fixed in the 4 top installation of outer crystallizer, and pressure is installed between crystallizer 4 and crossbeam 3 outside water cooling upper layer
Force snesor 17, the lower section installation stripping platform 11 of crystallizer 9 outside water cooling lower layer, installation water cooling dummy ingot is conductive on stripping platform 11
The radius size of bottom water case 13, water cooling dummy ingot conduction bottom water case 13 is slightly less than 9 inner radius size of crystallizer outside water cooling lower layer；It hands over
One end is connected on dummy electrode 1 by stream power supply by high current water-cooled cable, and the other end is connected to water cooling dummy ingot conduction bottom
On water tank 13；Control system 16 is connect with pressure sensor 17, rise fall of electrodes driving motor 19 and stripping motor 12.
Its method of adjustment includes the following steps：
Step 1 when stripping, by crossbeam 3 fixed by water cooling interior crystallizer 18, and hollow steel ingot 14 moves down, due to friction
Power will collect the when variate of pressure by detecting element-pressure sensor 17；
Variate when 17 collected pressure of pressure sensor is sent into control system 16 and is used as negative-feedback signal by step 2；
Step 3 control system 16 is using preset pressure value as positive signal；Positive signal and negative-feedback signal is used in combination
Difference instantaneously adjusts stripping speed by stripping motor 12, and by communication power supply 5, instantaneously adjustment consutrode group 2 melts speed
Degree, keeps 17 measured value of pressure sensor equal with the pressure value holding set in control system 16, controls water cooling in fusion process
The pressure that interior crystallizer 18 is subject to is maintained on the best stress value of melting.
In carrying out production fusion process, rise fall of electrodes driving motor 19 drives consutrode group 2 to be inserted into slag bath 15, from
Power pole group 2, slag bath 15, water cooling dummy ingot conduction bottom water case 13 form current supply circuit, slag by short net and communication power supply 5
Resistance heat make comsumable melt, metal drop passes through slag bath 15, instills in inside and outside water mold, liquid metal gradually coagulates
Gu forming hollow steel ingot 14.After hollow steel ingot 14 reach a certain height, start stripping, with the solidification shrinkage of hollow steel ingot
Make ingot casting far from outside water cooling lower layer while crystallizer 9 close to water cooling interior crystallizer 18, when stripping, 3 following pressure of crossbeam sensing
Device 17 generates signal, and the pressure value detected in real time is sent into control system 16 and is used as negative-feedback signal, and control system 16 will be advance
The pressure value of setting is as positive signal；It is used in combination positive signal and the difference of negative-feedback signal to pass through the instantaneously adjustment stripping of stripping motor 12
Speed instantaneously adjusts burn-off rate by communication power supply 5,17 measured value of pressure sensor is made to be set with control system 16
Pressure value keep equal, the pressure that is subject to of water cooling interior crystallizer 18 controlled in fusion process is maintained at the best stress value of melting
On.
Embodiment is not constituted and protects model to the utility model only to facilitate understand the technical solution of the utility model
The limitation enclosed, it is every without departing from technical solutions of the utility model perhaps according to the technical essence of the utility model to top
Any simple modification, equivalent change and modification made by case, still fall within scope of protection of the utility model.
Claims (3)
1. a kind of On-Line Dynamic Monitoring prevents the hollow electroslag remelting interior crystallizer braking system of stripping formula, including dummy electrode is (1), certainly
Power pole group (2), water cooling outer crystallizer, water cooling interior crystallizer (18), water cooling dummy ingot conduction bottom water case (13), slag bath (15), stripping device,
Rise fall of electrodes driving motor (19) with stripping motor (12), it is characterised in that：It further include crossbeam (3), pressure sensor (17), exchange supply
Power supply (5), control system (16), (3) crossbeam is arranged outside water cooling above crystallizer, the outer crystallizer of water cooling and crossbeam (3) between install
(17), (18) water cooling interior crystallizer is fixed on the lower section of crossbeam (3) to pressure sensor；Communication power supply is connected to by cable one end
On dummy electrode, the other end be connected to water cooling dummy ingot conduction bottom water case (13) on；Control system (16) with pressure sensor (17), rise fall of electrodes
(19) (12) driving motor is connected with stripping motor.
2. On-Line Dynamic Monitoring according to claim 1 prevents the hollow electroslag remelting interior crystallizer braking system of stripping formula,
It is characterized in that：Stripping device include stripping column (10) with stripping platform (11), (11) the crystallizer outside water cooling is arranged in stripping platform
Lower section, stripping platform (11) upper installation water cooling dummy ingot conduction bottom water case (13), stripping column (10) on crystallizer platform is installed (8).
3. On-Line Dynamic Monitoring according to claim 2 prevents the hollow electroslag remelting interior crystallizer braking system of stripping formula,
It is characterized in that：The outer crystallizer of water cooling by crystallizer outside water cooling upper layer, (4), outside water cooling middle level (7) with outside water cooling lower layer tie by crystallizer
(9) brilliant device is constituted, (8) (9) crystallizer is installed outside columnar water cooling lower layer in inside to crystallizer platform, and crystallizer is (9) outside water cooling lower layer
(7) and top (7) crystallizer is installed outside the cylinder water-cooling middle level that intracavity section is T-type structure in top, crystallizer outside water cooling middle level
Water cooling upper layer outside crystallizer (4) between be equipped with insulating layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820135372.9U CN208004781U (en) | 2018-01-26 | 2018-01-26 | A kind of On-Line Dynamic Monitoring prevents the hollow electroslag remelting interior crystallizer braking system of stripping formula |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820135372.9U CN208004781U (en) | 2018-01-26 | 2018-01-26 | A kind of On-Line Dynamic Monitoring prevents the hollow electroslag remelting interior crystallizer braking system of stripping formula |
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| CN208004781U true CN208004781U (en) | 2018-10-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284213A (en) * | 2018-01-26 | 2018-07-17 | 江苏星火特钢有限公司 | A kind of On-Line Dynamic Monitoring prevents the hollow electroslag remelting interior crystallizer braking system of stripping formula and its method of adjustment |
| CN111590054A (en) * | 2020-04-28 | 2020-08-28 | 湖南力方轧辊有限公司 | Device and method for preparing bimetal clad roller by ingot drawing type electroslag remelting method |
-
2018
- 2018-01-26 CN CN201820135372.9U patent/CN208004781U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284213A (en) * | 2018-01-26 | 2018-07-17 | 江苏星火特钢有限公司 | A kind of On-Line Dynamic Monitoring prevents the hollow electroslag remelting interior crystallizer braking system of stripping formula and its method of adjustment |
| CN108284213B (en) * | 2018-01-26 | 2024-01-26 | 江苏星火特钢集团有限公司 | Device for preventing ingot-drawing type hollow electroslag remelting inner crystallizer from locking by online dynamic monitoring and adjusting method thereof |
| CN111590054A (en) * | 2020-04-28 | 2020-08-28 | 湖南力方轧辊有限公司 | Device and method for preparing bimetal clad roller by ingot drawing type electroslag remelting method |
| CN111590054B (en) * | 2020-04-28 | 2021-10-29 | 湖南力方轧辊有限公司 | Device and method for preparing bimetal clad roller by ingot drawing type electroslag remelting method |
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Address after: 225721 No.1, west side of Xingda Avenue, Dainan Town, Xinghua City, Taizhou City, Jiangsu Province Patentee after: Jiangsu Xinghuo Special Steel Group Co.,Ltd. Address before: 225721 No.1, west side of Xingda Avenue, Dainan Town, Xinghua City, Taizhou City, Jiangsu Province Patentee before: JIANGSU XIHU SPECIAL STEEL Co.,Ltd. |