CN201999975U - Cross arm moving type electric slag furnace with electrode weighing function - Google Patents
Cross arm moving type electric slag furnace with electrode weighing function Download PDFInfo
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- CN201999975U CN201999975U CN2011200435147U CN201120043514U CN201999975U CN 201999975 U CN201999975 U CN 201999975U CN 2011200435147 U CN2011200435147 U CN 2011200435147U CN 201120043514 U CN201120043514 U CN 201120043514U CN 201999975 U CN201999975 U CN 201999975U
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Abstract
一种具有电极称重功能的横臂移动式电渣炉，包括横臂、电极和夹料杆，夹料杆顶端固定在碟簧气缸顶端，碟簧气缸和横臂之间设有称重传感组件，活塞的中心孔与导电杆组件的上部固定在一起，夹料杆穿过碟簧片组、活塞、上称重法兰和下称重法兰的中心孔，上导电杆和下导电杆套在夹料杆外并与夹料杆滑动密封连接。本实用新型的装置控制精度高，通过熔化速度控制后，整个重熔过程的计算时间和实际重熔时间相差小于5min，能够实现重熔过程的自动控制，提高重熔产品的头尾及内外冶金质量。
A cross-arm mobile electroslag furnace with electrode weighing function, including a cross arm, an electrode and a clamping rod, the top of the clamping rod is fixed on the top of a disc spring cylinder, and a weighing transmission is installed between the disc spring cylinder and the cross arm. The sensor assembly, the central hole of the piston is fixed with the upper part of the conductive rod assembly, the clamping rod passes through the center hole of the disc spring set, the piston, the upper weighing flange and the lower weighing flange, the upper conductive rod and the lower conductive rod The rod is sleeved on the outside of the clamping rod and is connected with the clamping rod in a sliding and sealing manner. The device of the utility model has high control precision. After the melting speed is controlled, the difference between the calculation time of the whole remelting process and the actual remelting time is less than 5 minutes, which can realize the automatic control of the remelting process and improve the head and tail of the remelting product and the internal and external metallurgy. quality.
Description
Technical field
The utility model relates to a kind of electroslag furnace device, particularly a kind of portable electroslag furnace of transverse arm with electrode function of weighing.
Background technology
Electroslag remelting steel ingot has that metal is pure, dense structure, composition evenly, any surface finish and excellent plurality of advantages such as mechanical property, so esr is the important means of producing special steel ingot material always.Esr process is a very complex physicochemical process, have the comprehensive action in electromagnetic field, flow field and temperature field etc., absorption and dissolving, inclusion that inclusion wherein takes place decompose, improve a plurality of effects such as ingot solidification tissue, raising the finished product performance.The stability of esr process and the burn-off rate of electrode produce significant effects to the solidified structure of steel ingot, and stable and suitable burn-off rate control is the important prerequisite that guarantees the ingot solidification quality.
For the ingot crystal tissue, dendrite interval is more little, it is fine and close more to organize, and then that the possibility of coagulation defects such as loose, shrinkage cavity, segregation takes place is more little for steel ingot, and grain fineness number is also more little, and the mechanical property of steel is also good more; Therefore reasonably molten speed control system is necessary to the quality control of electroslag remelting steel ingot.
Main persevering power control model of esr process technology control model and decreasing power control model.So-called permanent power remelting is exactly (not comprise slag forming period and filling phase) normally heavily holding in the phase, and whole process controls previously selected remelting voltage all the time and melting current is a steady state value, i.e. the energy of transformer output is constant; Along with the electrode length that carries out of remelting reduces to minimum value from maximum value, promptly electrode length constantly reduces, cause on the electrode resistance drop particularly the induction reactance pressure drop constantly reduce, in addition, along with the rise of molten steel face, the lateral area of dissipation of crystallizer constantly reduces; The influence of these factors makes the power of actual input slag bath constantly increase, thereby molten speed constantly increases, and the metal pool degree of depth increases, and influences steel ingot quality end to end, and this method is eliminated gradually.And the decreasing power model can be controlled the burn-off rate of consumable electrode and the degree of depth of metal pool to a certain extent because power input is successively decreased, and controls the constant burn-off rate if desired, though power can successively decrease, the amplitude size of successively decreasing can't be determined.In order to obtain accurate burn-off rate, realization is to the automatic control of burn-off rate, steady, the accurate electroslag furnace consumable electrode weighing system of design one cover, to keep consumable electrode constant burn-off rate, the quality of solidifying that improves electroslag ingot is present urgent problem.
Summary of the invention
The problems referred to above at existing esr process technology controlling and process existence, the utility model provides a kind of band portable electroslag furnace of transverse arm of weighing, by on the electroslag furnace transverse arm, adding the automatic weighing system of loading electrode, realize speed monitoring and control automatically in the esr process.
The portable electroslag furnace of transverse arm with electrode function of weighing of the present utility model comprises transverse arm, electrode and material-handling rod, electrode is made up of dummy electrode and consumable electrode, it is characterized in that: the material-handling rod top is fixed on a dish spring cylinder top, dish spring cylinder is made of cylinder body, base, piston and dish reed group, wherein the top of the top of dish reed group and cylinder body is fixed together, and the bottom of dish reed group is connected with the upper surface of piston; Be provided with the weighing and sensing assembly between dish spring cylinder and the transverse arm, the weighing and sensing assembly by up weighing method orchid, LOAD CELLS and under the flange of weighing constitute, up weighing method is blue to be fixed together with base, weigh down flange and transverse arm are fixed together; The top of the centre hole of piston and conducting rod assembly is fixed together, and the conducting rod assembly is made of last conducting rod, Elecrical connector and following conducting rod; Material-handling rod passes dish reed group, piston, up weighing method is blue and the centre hole of the flange that descends to weigh, and the material-handling rod lower end is connected with dummy electrode top frock, and last conducting rod is enclosed within material-handling rod with following conducting rod and is connected outward and with the material-handling rod slipper seal.
Be provided with insulating mat between base and the up weighing method orchid in the said apparatus.
In the said apparatus up weighing method blue and under weigh and be provided with three LOAD CELLS between the flange, three LOAD CELLS are evenly distributed on around the medullary ray of upper and lower two flanges of weighing; Up weighing method blue and under weigh and three shear bolts be set on the flange, shear bolt passes the up weighing method orchid, the shear bolt bottom is fixed on down on the flange of weighing by a set screw nut, also be provided with two safety nuts on the shear bolt, be located at the both sides up and down of up weighing method orchid respectively, and gapped between two safety nuts and the up weighing method orchid.
The side of piston is connected with the inwall slipper seal of dish spring cylinder block in the said apparatus; The center bore inner wall in the piston and the outer wall on conducting rod assembly top are fixed together.
The cylinder body of dish spring cylinder is provided with bottom outlet and venting hole in the said apparatus, and bottom outlet is positioned at the piston below, and venting hole is positioned at the piston top.
Above-mentioned dummy electrode and consumable electrode are assembled together.
The outer wall of the inwall on the top of above-mentioned Elecrical connector and the bottom of last conducting rod is fixed together, and the inwall of the bottom of Elecrical connector is fixed together with the outer wall on the top of following conducting rod, and is gapped between following conducting rod and the electrode.
1.5 times of the maximum capacity scope 〉=electrode gross weight of above-mentioned LOAD CELLS, weighing error＜0.2%.
Above-mentioned LOAD CELLS is the LOAD CELLS that has temperature compensation and electric shielding function.
Using method with portable electroslag furnace of transverse arm of electrode function of weighing of the present utility model is: Elecrical connector is connected with an end of transformer with lead by the wiring busbar, the other end of transformer is connected with water tank under electroslag furnace, LOAD CELLS is connected with the PLC system by signal transducting system simultaneously, and transformer is connected with the PLC system by signal transducting system; The bottom outlet of dish spring cylinder is communicated with by pipeline with oil pump systems or air pump system; When electroslag furnace carries out remelting, give the conducting rod assembly power supply by transformer, elastic force compression piston and conducting rod assembly by dish reed group make the conducting rod assembly contact with dummy electrode, and electric current returns transformer by end water tank after by the molten bath and forms the galvanic circle and carry out remelting afterwards; When needs during, by compressed oil in bottom outlet or gas, piston is upwards slided, and then make the conducting rod assembly break away from dummy electrode circuitry cuts; Along with the carrying out of melting, the weight of consumable electrode alleviates gradually, and pass to the PLC system by signal transducting system with changes in weight this moment; The PLC system passes to transformer with signal again, and adjusts electric current and voltage by transformer, adjusts the purpose of reflow process burn-off rate to reach by adjusting the input output power.
The portable electroslag furnace control accuracy of transverse arm height with electrode function of weighing of the present utility model, after burn-off rate control, the computing time of whole reflow process and actual remelting time phase difference are less than 5min, can realize the automatic control of reflow process, that improves the remelting product reaches inside and outside metallurgical quality end to end; Blue and weigh down and three bolts are set between the flange can prevent that LOAD CELLS is subjected to accident loads unstability or damage at up weighing method, when the flange of weighing instantly was out of control, two bolts about the up weighing method orchid can play the safeguard protection effect.Result of practical application shows that according to the specification difference of product, burn-off rate can be regulated, and measuring accuracy is higher in the scope of 0 ~ 15kg/min, the quality product of electroslag ingot is better.
Description of drawings
Fig. 1 is the weigh local structure synoptic diagram of the portable electroslag furnace of transverse arm of the band among the utility model embodiment, among the figure 1, piston, 2, dish reed group, 3, cylinder body, 4, the up weighing method orchid, 5, under the flange of weighing, 6, transverse arm, 7, material-handling rod, 8, dummy electrode, 9, consumable electrode, 10, LOAD CELLS, 11, shear bolt, 12, safe set screw nut, 13, following safety nut, 14, last safety nut, 15, venting hole, 16, bottom outlet, 17, terminal box, 18, weighing instrument, 19, the PLC system, 20, base, 21, insulating mat, 22, the top set screw nut, 23, following conducting rod, 24, Elecrical connector, 25, last conducting rod, 26, the wiring busbar, 27, transformer.
Embodiment
The sensor model number that adopts among the utility model embodiment is HBM1-RTNC3/4.7T.
The processing terminal of weighing of LOAD CELLS of the present utility model is by Profibus communication interface and PLC system communication.
Embodiment 1
The portable electroslag furnace structure of a kind of transverse arm with electrode function of weighing as shown in Figure 1, material-handling rod 7 tops are fixed on the top of dish spring cylinder block 3 by top set screw nut 22, dish spring cylinder is made of cylinder body 3, base 20, piston 1 and dish reed group 2, the center of dish reed group 2 and piston 1 is provided with centre hole, the top of dish reed group 2 and the top of cylinder body 3 are fixed together, and the bottom of dish reed group 2 is connected with the upper surface of piston 1;
Be provided with the weighing and sensing assembly between dish spring cylinder and the transverse arm 6, the center of the up weighing method of weighing and sensing assembly blue 4 and the flange 5 of weighing down is provided with centre hole, up weighing method blue 4 with base 20 is fixed together and up weighing method blue 4 and base 20 between be provided with insulating mat 21, descend to weigh flange 5 and transverse arm 6 are fixed together;
The last conducting rod 25 of the centre hole of piston 1 and conducting rod assembly is fixed together, and the outer wall of last conducting rod 25 bottoms and the inwall on Elecrical connector 24 tops are fixed together, and the inwall of Elecrical connector 24 bottoms is fixed together with the outer wall on following conducting rod 23 tops;
Material-handling rod 7 passes the centre hole of dish reed group 2 centre holes, piston 1 centre hole, up weighing method orchid 4 and the centre hole of the flange 5 of weighing down, and material-handling rod 7 lower ends are connected with dummy electrode 8 top frocks;
Dummy electrode 8 lower ends and consumable electrode 9 tops are assembled together;
Last conducting rod 25 is enclosed within material-handling rod 7 with following conducting rod 23 and is connected outward and with material-handling rod 7 slipper seals;
Up weighing method blue 4 and under weigh and be provided with 10, three LOAD CELLS 10 of three LOAD CELLS between the flange 5 and be evenly distributed on around the medullary ray of two flanges of weighing; Up weighing method blue 4 and under weigh and three shear bolts 11 be set on the flange 5, shear bolt 11 passes up weighing method orchid 4, shear bolt 11 bottoms are fixed on down on the flange 5 of weighing by safety set screw nut 12, also be provided with safety nut 14 and following safety nut 13 on the shear bolt 11, safety nut 14 and following safety nut 13 are located at the both sides up and down of up weighing method orchid 4 respectively, and gapped between two safety nuts and the up weighing method orchid 4;
The side of piston 1 is connected with the inwall slipper seal of cylinder body 3, and the outer wall of the inwall of the centre hole of piston 1 and last conducting rod 25 is fixed together;
Gapped between following conducting rod 23 bottoms and the dummy electrode 8;
The bottom outlet of dish spring cylinder is communicated with by pipeline with oil pump systems; When electroslag furnace carries out remelting, give the conducting rod assembly power supply by transformer, elastic force compression piston and conducting rod assembly by dish reed group make the conducting rod assembly contact with dummy electrode, and electric current returns transformer by end water tank after by the molten bath and forms the galvanic circle and carry out remelting afterwards; When needs during, by compressed oil in bottom outlet or gas, piston is upwards slided, and then make the conducting rod assembly break away from dummy electrode circuitry cuts; Along with the carrying out of melting, the weight of consumable electrode alleviates gradually, and pass to the PLC system by signal transducting system with changes in weight this moment; The PLC system passes to transformer with signal again, and adjusts electric current and voltage by transformer, adjusts the purpose of reflow process burn-off rate to reach by adjusting the input output power;
Adopt said apparatus to carry out esr, the computing time of whole reflow process and actual remelting time phase difference have been realized the automatic control of reflow process less than 5min, and that has improved the remelting product reaches inside and outside metallurgical quality end to end; According to the specification difference of product, burn-off rate can be regulated in the scope of 0 ~ 15kg/min, and measuring accuracy is higher, and the quality product of electroslag ingot is better.
Claims (5)
1. portable electroslag furnace of the transverse arm with electrode function of weighing, comprise transverse arm, electrode and material-handling rod, electrode is made up of dummy electrode and consumable electrode, it is characterized in that: the material-handling rod top is fixed on dish spring cylinder top, dish spring cylinder is made of cylinder body, base, piston and dish reed group, wherein the top of the top of dish reed group and cylinder body is fixed together, and the bottom of dish reed group is connected with the upper surface of piston; Be provided with the weighing and sensing assembly between dish spring cylinder and the transverse arm, the weighing and sensing assembly by up weighing method orchid, LOAD CELLS and under the flange of weighing constitute, up weighing method is blue to be fixed together with base, weigh down flange and transverse arm are fixed together; The top of the centre hole of piston and conducting rod assembly is fixed together, and the conducting rod assembly is made of last conducting rod, Elecrical connector and following conducting rod; Material-handling rod passes dish reed group, piston, up weighing method is blue and the centre hole of the flange that descends to weigh, and the material-handling rod lower end is connected with dummy electrode top frock, and last conducting rod is enclosed within material-handling rod with following conducting rod and is connected outward and with the material-handling rod slipper seal.
2. a kind of portable electroslag furnace of transverse arm according to claim 1 with electrode function of weighing, it is characterized in that up weighing method blue and under weigh and be provided with three LOAD CELLS between the flange, three LOAD CELLS are evenly distributed on around the medullary ray of upper and lower two flanges of weighing; Up weighing method blue and under weigh and three shear bolts be set on the flange, shear bolt passes the up weighing method orchid, the shear bolt bottom is fixed on down on the flange of weighing by a set screw nut, also be provided with two safety nuts on the shear bolt, be located at the both sides up and down of up weighing method orchid respectively, and gapped between two safety nuts and the up weighing method orchid.
3. a kind of portable electroslag furnace of transverse arm with electrode function of weighing according to claim 1 is characterized in that the side of piston is connected with the inwall slipper seal of dish spring cylinder block; The outer wall on the inwall of the centre hole of piston and conducting rod assembly top is fixed together.
4. a kind of portable electroslag furnace of transverse arm with electrode function of weighing according to claim 1 is characterized in that the cylinder body of dish spring cylinder is provided with bottom outlet and venting hole, and bottom outlet is positioned at the piston below, and venting hole is positioned at the piston top.
5. a kind of portable electroslag furnace of transverse arm with electrode function of weighing according to claim 1 is characterized in that being provided with insulating mat between base and the up weighing method orchid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200435147U CN201999975U (en) | 2011-02-22 | 2011-02-22 | Cross arm moving type electric slag furnace with electrode weighing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200435147U CN201999975U (en) | 2011-02-22 | 2011-02-22 | Cross arm moving type electric slag furnace with electrode weighing function |
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| Publication Number | Publication Date |
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| CN201999975U true CN201999975U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200435147U Expired - Fee Related CN201999975U (en) | 2011-02-22 | 2011-02-22 | Cross arm moving type electric slag furnace with electrode weighing function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851732A (en) * | 2012-09-26 | 2013-01-02 | 南京晶升能源设备有限公司 | Weighing mechanism of sapphire single crystal furnace |
| CN108984918A (en) * | 2018-07-20 | 2018-12-11 | 辽宁石油化工大学 | A kind of prediction technique of electroslag remelting comsumable melt rate |
| CN111356890A (en) * | 2017-11-08 | 2020-06-30 | Sms 梅瓦克有限责任公司 | Furnace with electrode rods capable of rotating and moving simultaneously |
| CN114659365A (en) * | 2022-02-10 | 2022-06-24 | 江苏大学 | A Novel Smelting Control System for Vacuum Consumption Furnace |
| CN114990346A (en) * | 2022-05-17 | 2022-09-02 | 钢铁研究总院有限公司 | Electroslag remelting slag system and method for ZCuAl8Mn14Fe3Ni high-manganese aluminum bronze |
-
2011
- 2011-02-22 CN CN2011200435147U patent/CN201999975U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851732A (en) * | 2012-09-26 | 2013-01-02 | 南京晶升能源设备有限公司 | Weighing mechanism of sapphire single crystal furnace |
| CN102851732B (en) * | 2012-09-26 | 2015-08-19 | 南京晶升能源设备有限公司 | The Weighing mechanism of sapphire single-crystal furnace |
| CN111356890A (en) * | 2017-11-08 | 2020-06-30 | Sms 梅瓦克有限责任公司 | Furnace with electrode rods capable of rotating and moving simultaneously |
| US11371779B2 (en) | 2017-11-08 | 2022-06-28 | Sms Group Gmbh | Melting furnace with simultaneously rotatable and movable electrode rod |
| CN108984918A (en) * | 2018-07-20 | 2018-12-11 | 辽宁石油化工大学 | A kind of prediction technique of electroslag remelting comsumable melt rate |
| CN108984918B (en) * | 2018-07-20 | 2023-04-18 | 辽宁石油化工大学 | Method for predicting melting rate of electroslag remelting consumable electrode |
| CN114659365A (en) * | 2022-02-10 | 2022-06-24 | 江苏大学 | A Novel Smelting Control System for Vacuum Consumption Furnace |
| CN114659365B (en) * | 2022-02-10 | 2024-05-14 | 江苏大学 | A new melting control system for vacuum consumable furnace |
| CN114990346A (en) * | 2022-05-17 | 2022-09-02 | 钢铁研究总院有限公司 | Electroslag remelting slag system and method for ZCuAl8Mn14Fe3Ni high-manganese aluminum bronze |
| CN114990346B (en) * | 2022-05-17 | 2024-01-02 | 钢铁研究总院有限公司 | Electroslag remelting slag system and method for ZCuAl8Mn14Fe3Ni high-manganese aluminum bronze |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20150222 |
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| EXPY | Termination of patent right or utility model |