CN103805786B - Based on the useless assorted ambrose alloy zinc metal charge recovery furnace of high-efficiency electromagnetic induction heating - Google Patents
Based on the useless assorted ambrose alloy zinc metal charge recovery furnace of high-efficiency electromagnetic induction heating Download PDFInfo
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- CN103805786B CN103805786B CN201410032685.8A CN201410032685A CN103805786B CN 103805786 B CN103805786 B CN 103805786B CN 201410032685 A CN201410032685 A CN 201410032685A CN 103805786 B CN103805786 B CN 103805786B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The application provides a kind of the hexagonal structure smelting furnace, recovery system and the recovery method that reclaim for waste electroplating corronel, wherein this hexagonal structure smelting furnace comprises refractory ceramics burner hearth, thermal insulation layer and electromagnetic induction generating unit, wherein, electromagnetic induction generating unit comprises magnet coil, water cooled coil and electromagnetic induction generating unit power supply, and thermal insulation layer is arranged between magnet coil and refractory ceramics burner hearth; Magnet coil is connected with electromagnetic induction generating unit power supply, heats non-metallic material in stove for generation of hertzian wave.
Description
Technical field
The present invention relates to useless assorted metal recovery technology, more specifically, relate to a kind of useless assorted ambrose alloy zinc metal charge recovery furnace based on high-efficiency electromagnetic induction heating.
Background technology
Being recycled of five metals plating wastes, has become great environment protection subject under discussion.In the waste material reclaimed, hybrid metal is very general, the mixing slag of hybrid metal mainly nickel, copper, zinc.How effectively to sort and reclaim that to make ingot be a general problem, traditional process of melting down adopts electric furnace to improve in-furnace temperature to reach melting point metal, although efficiency turnover ratio than ordinary coke or heavy oil stove high, contrast high-efficiency electromagnetic induction recovery system still have certain gap.
High-efficiency electromagnetic induction recovery system directly rapidly can produce heating effect to magnetic conductive metal, and by high-temperature infrared line sensor, temperature signal is transferred to computer temperature frequency-changing control system, real-time stabilization controls fire box temperature, allows magnetic conductive metal melt rapidly in burner hearth.
The principle of electromagnetic induction heating produces alternating magnetic field, when with when being set up face containing container made of iron by electronic circuit board integral part, namely container table mask cuts alternate magnetic force line and produces the electric current (eddy current) of alternation at container bottom metallic member, eddy current makes the iron atom high speed random motion of container bottom, atom collides with each other, rub and produce heat energy, thus plays the effect of heating objects.By being magnetic energy electric energy conversion, making to be heated steel body and sensing magnetic energy and a kind of type of heating generated heat.This mode it fundamentally solve the inefficiency problem that the resistance-type such as electric heating piece, electric heating coil heated by heat exchange pattern.
Existing electromagnetic induction generating unit only has single magnetic strength generation coil, because low-frequency electromagnetic wave is decayed rapidly along with the increase of distance, the metal temperature far away for distance magnetic strength generation coil can not reach dbjective state, cause heats in burner hearth uneven, the speed of heating is also undesirable.
In addition, generation efficiency be improved, the level of automation of electromagnetic induction recovery system must be improved.Under strong magnetic field action, the controling parameters of electromagnetic induction heating process relates to temperature, the pressure and exhausting amount etc. of each position, only accurately can control controllable parameter, and accurately sensing and process correlation parameter can change the impact on cracking heat-processed, just likely realize the Automated condtrol to electromagnetic induction heating.
The problems such as current electromagnetic induction recovery system ubiquity volume is excessive, handled thing transmission route long, subcooling efficiency is low, cause bulk treatment system efficiency not high.
Summary of the invention
For overcoming the above-mentioned defect of prior art, the present invention proposes a kind of useless assorted ambrose alloy zinc metal charge recovery furnace based on high-efficiency electromagnetic induction heating.
According to an aspect of the present invention, propose a kind of hexagonal structure smelting furnace reclaimed for waste electroplating corronel, comprise refractory ceramics burner hearth, thermal insulation layer and electromagnetic induction generating unit, wherein, electromagnetic induction generating unit comprises magnet coil, water cooled coil and electromagnetic induction generating unit power supply, and thermal insulation layer is arranged between magnet coil and refractory ceramics burner hearth; Magnet coil is connected with electromagnetic induction generating unit power supply, heats non-metallic material in stove for generation of hertzian wave.
According to a further aspect in the invention, propose a kind of recovery system for useless assorted ambrose alloy zinc metal charge, comprise automatic feeding device, hexagonal structure smelting furnace, control subsystem, cadmia collection tower and metal die fixed slot; Wherein, automatic feeding device is connected to hexagonal structure smelting furnace via recovered material feedthrough and tightness system; Wherein, hexagonal structure smelting furnace lower end is connected to metal die fixed slot by liquid metal diversion trench; Wherein, hexagonal structure smelting furnace is connected to cadmia by high-temperature gas bleed valve and vapor pipe and collects tower; Wherein, control subsystem for monitoring the state of automatic feeding device and hexagonal structure smelting furnace, regulate the intensity of the electromagnetic induction generating unit in hexagonal structure smelting furnace, control the metal discharge of high-temperature fusion pyrolysis to metal block fixed slot, control high temperature and collect tower and heat exchanger containing zinc gas by cadmia, obtain cadmia to collect tower bottom at cadmia.
According to another aspect of the invention, propose a kind of recovery method for useless assorted ambrose alloy zinc metal charge, comprise: step 1, automatic feeding device carry out fragmentation to useless assorted ambrose alloy zinc metal, add broken useless assorted ambrose alloy zinc metal according to the material position height of hexagonal structure smelting furnace; Step 2, vacuum outgas, open vacuum pump and make the pressure of the system comprising hexagonal structure smelting furnace reach 13-130Pa; Step 3, unlatching electromagnetic induction heating system, heat material in stove, and keep 900-1200 degree, until height of materials stops heating after being reduced to preset value in stove; Open the heat exchanger that cadmia collects tower while step 4, heating, zinc fume is carried out being condensed into metal cadmia; Open liquid metal diversion trench after heating, the liquid corronel water conservancy diversion in stove is cooled in metal die fixed slot and forms thick corronel.
The present invention adopts sexangle unsymmetric structure to add the driving in strong electromagnetic magnetic field, makes the heating the responded to METAL HEATING PROCESS in burner hearth even, can obtain efficient thermal source, thus increase substantially the heat conduction efficiency in stove between metal waste.
Compare conventional art, transformation of electrical energy efficiency improves 20%(higher than 90%), in electromagnetic induction producer and stove, the heat transfer efficiency of metal improves about 40%, save crucible intensification power loss unnecessary, overall efficiency improves more than 60%, within metal waste process energy consumption is reduced to 1.2kWh/Kg from current 3kWh/Kg, long-term application Financial cost significantly reduces.
Present invention achieves the all-digitized demodulator of the useless assorted metal decomposing system based on high-efficiency electromagnetic induction heating, the digital communication of each integral part of cracking system, information interaction and collaborative work is achieved by the PROFIBUS network communication link of low cost, data rate is fast, fault freedom is good, and immunity from interference is strong.Owing to have employed all-digitized demodulator technology, system is with good expansibility, simple and quick, and by real-time performance away from on-site supervision and control and management.
Accompanying drawing explanation
Fig. 1 is the structure iron of the useless assorted ambrose alloy zinc metal charge recovery system based on high-efficiency electromagnetic induction;
Fig. 2 is the cross sectional representation of the hexagonal structure smelting furnace shown in Fig. 1.
In order to the structure of embodiments of the invention clearly can be realized, specific size, structure and device are marked in the drawings, but this is only signal needs, be not intended to limit the invention in this specific dimensions, structure, device and environment, according to specific needs, these devices and environment can carry out adjusting or revising by those of ordinary skill in the art, and the adjustment carried out or amendment are still included in the scope of accompanying claim.
Embodiment
Below in conjunction with the drawings and specific embodiments, a kind of useless assorted ambrose alloy zinc metal charge recovery furnace based on high-efficiency electromagnetic induction heating provided by the invention is described in detail.
In the following description, by description multiple different aspect of the present invention, but, for those skilled in the art, can only utilize some or all structure of the present invention or flow process to implement the present invention.In order to the definition explained, set forth specific number, configuration and order, but clearly, also can implement the present invention when there is no these specific detail.In other cases, in order to not obscure the present invention, will no longer be described in detail for some well-known features.
Fig. 1 is the structure iron of the useless assorted ambrose alloy zinc metal charge recovery system based on high-efficiency electromagnetic induction according to the application, as shown in Figure 1, this energy-efficient useless assorted ambrose alloy zinc metal charge recovery system comprises automatic feeding device 1, hexagonal structure smelting furnace 4, control subsystem, cadmia collection tower 8 and metal die fixed slot 5.
Wherein, automatic feeding device 1 is connected to hexagonal structure smelting furnace 4 via recovered material feedthrough 15 and tightness system 16.Wherein, useless assorted ambrose alloy zinc metal, for receiving useless assorted ambrose alloy zinc metal via transport tape or chapelet, is carried out fragmentation within it after closing receiving port by automatic feeding device 1.Afterwards, the electric machine rotation conveyance gear via recovered material feedthrough 15 is quantitatively sent into the material after fragmentation in hexagonal structure smelting furnace 4, and hexagonal structure smelting furnace 4 uses tightness system 16 to close suitable for reading after receiving broken material.
Wherein, hexagonal structure smelting furnace 4 comprises refractory ceramics burner hearth 20, thermal insulation layer 13, electromagnetic induction generating unit 2 and tightness system 16.Wherein, thermal insulation layer 13 is arranged between magnet coil 11 and refractory ceramics burner hearth 20, is made up of high-temperature-resistant thermal-insulation material, ensures that in-furnace temperature can not unofficial biography.Wherein, refractory ceramics burner hearth 20 is arranged in the thermal insulation layer 13 of hexagonal structure smelting furnace 4, for loading material to be processed.
Wherein, hexagonal structure smelting furnace 4 lower end is connected to metal die fixed slot 5 by liquid metal diversion trench 17.Wherein, hexagonal structure smelting furnace 4 is connected to cadmia by high-temperature gas bleed valve 14 and vapor pipe 19 and collects tower 8.Wherein, liquid metal diversion trench 17 is connected between metal die fixed slot 5 and hexagonal structure smelting furnace 4, for deriving molten metal in metal die fixed slot 5.
Wherein, high-temperature gas bleed valve 14 is arranged on the top of hexagonal structure smelting furnace 4, is connected with vapor pipe 19.Wherein, material after fragmentation enters after in hexagonal structure smelting furnace 4, tightness system 16 above smelting furnace cuts out, high-temperature gas bleed valve 14 is opened, vacuum system 9 vacuumizes rear electromagnetic induction generating unit 2 pairs of materials and heats, and is precisely controlled by infrared temperature supervisory system 6 pairs of in-furnace temperature.
Wherein, hexagonal structure smelting furnace 4 also comprises infrared temperature supervisory system 6 and digitized video supervisory system 7.Wherein, infrared temperature supervisory system 6, for the digital temperature signal gathered is transferred in PLC processor, is controlled unlatching and the watt level of electromagnetic induction generating unit power supply 3 by PLC processor.Wherein, digitized video supervisory system 7, for monitoring heating state in stove, digital signal transmission in PLC processor, is determined the operation flow process of scrap metal to image analysis by PLC processor.
Wherein, electromagnetic induction generating unit 2 comprises magnet coil 11, water cooled coil 12, electromagnetic induction generating unit power supply 3 form.After system enters heating schedule, 12 water cooled coil are opened and are lowered the temperature to 11 magnet coils, and electromagnetic induction generating unit power supply 3 is opened, and make 11 magnet coils produce the hertzian wave of frequency 50Hz to 15KHz, heat the useless assorted ambrose alloy zinc metalliferous material after fragmentation.
Wherein, magnet coil 11 is connected with electromagnetic induction generating unit power supply 3, and the hertzian wave producing frequency 50Hz to 15KHz heats non-metallic material in stove.Wherein, water cooled coil 12 is arranged on the surrounding of magnet coil 11, cools it.
Wherein, electromagnetic induction generating unit power supply 3 connects industrial electric brake, according to control signal Modulating Power and the frequency control of PLC processor, produces high-frequency pulse current and is transferred to magnet coil 11, make it produce the hertzian wave of frequency 50Hz to 15KHz.
Wherein, cadmia is collected tower and is comprised tower body and heat exchanger 18, and tower body is connected with vapor pipe 19 respectively, and is connected with vacuum system 9, cadmia receiving tank 10.Wherein, heat exchanger 18 is arranged on cadmia and collects in tower 8, collects the temperature of tower for cooling cadmia.Zinc fume arrives tower body by vapor pipe 19, and heat exchanger 18 starts and carries out cooling condensation to it, and condensed cadmia is discharged to cadmia receiving tank 10 bottom tower body.
Wherein, vapor pipe 19 is connected to cadmia and collects between tower 8 and high-temperature gas bleed valve 14, collects in tower 8 to cadmia for the gas of deriving in 4 hexagonal structure smelting furnaces.
Wherein, vacuum system 9 and cadmia are collected tower 8 and are connected, and by carrying out vacuum outgas to whole system, vacuum tightness reaches 13-130Pa.
Wherein, cadmia receiving tank 10 and cadmia are collected tower 8 and are connected, and after the cadmia valve body collected bottom tower 8 is opened, cadmia falls into cadmia receiving tank 10.Cadmia receiving tank is furnished with weighing system, and weight data is transferred in PLC (control subsystem).
Wherein, metal die fixed slot 5 is connected to hexagonal structure smelting furnace 4 by liquid metal diversion trench 17, is cooled to fixing shape, plays the effect of cooling and sizing after its liquid metal of deriving arrives metal die fixed slot 5.Metal die fixed slot 5 can be furnished with weighing system, and weight data is transferred in PLC.
Wherein, recovered material feedthrough 15 is connected with automatic feeding device 1, and is connected with hexagonal structure smelting furnace 4 by tightness system 16, and its electric machine rotation conveyance gear is quantitatively sent into the material after fragmentation in hexagonal structure smelting furnace 4.
Wherein, tightness system 16 is arranged between recovered material feedthrough 15 and hexagonal structure smelting furnace 4, ensures the furnace chamber stopping property after charging.
Fig. 2 is the cross sectional representation of the hexagonal structure smelting furnace shown in Fig. 1, and as shown in Figure 2, hexagonal structure smelting furnace 4 comprises refractory ceramics burner hearth 20, thermal insulation layer 13 and electromagnetic induction generating unit 2.Wherein, thermal insulation layer 13 is arranged between magnet coil 11 and refractory ceramics burner hearth 20, is made up of high-temperature-resistant thermal-insulation material, ensures that in-furnace temperature can not unofficial biography.Wherein, refractory ceramics burner hearth 20 is arranged in the thermal insulation layer 13 of hexagonal structure smelting furnace 4, for loading material to be processed.
Wherein, electromagnetic induction generating unit 2 is made up of magnet coil 11 and water cooled coil 12.Wherein, described magnet coil 11 is telefaults that 18 groups of structures are identical, respectively and the electromagnetic induction generating unit power supply 3 of six groups of interval alternations be connected, and at opposite face asymmetric installation at hexagonal refractory ceramics burner hearth 20 outer wall, install three groups for each, produce the magnetic field that can not cancel out each other.Described telefault refers to the telefault by water-cooled copper coiling, is beneficial to efficiently radiates heat.
Hexagonal structure smelting furnace comprises the PLC control system (control subsystem) of sexangle body of heater, high-temperature gas bleed valve, automatic feeding device, recovered material feed-in tightness system, liquid metal diverter valve, infrared temperature supervisory system, vacuum Monitoring systems and integrated PROFIBUS interface.Described automatic feeding device, recovered material feedthrough, high-temperature gas bleed valve are connected with control subsystem with liquid metal diverter valve.
Wherein, digitized video supervisory system comprise built-in and can analyze vacuum hearth inside, magnetic induction loop group, liquid metal diverter valve temperature image processing software and for gathering liquid metal diverter valve, the ccd video camera of state of metal die fixed slot is interconnected to constitute.
In addition, cadmia is collected tower and is mainly used in collecting zinc metallic dust, tower surface mounting heat exchanger, collects tower and lowers the temperature, and reclaim heat for dormitory heating system to cadmia; The gaseous metal zinc that the high-temperature gas bleed valve of roof of the furnace is discharged enters cadmia and collects tower and cool simultaneously and become solid metal cadmia.Wherein, metal die fixed slot is mainly used in the hot metal of cooling electric magneticinduction furnace bottom liquid metal diverter valve discharge, obtains the thick corronel metal block of rule.
For the whole recovery system of visual control, described automation control system refers to the workflow of various piece in the system of setting, sets the management system of the parameter relevant to technique and the display of system state real time comprehensive, and system is connected to realize telemanagement with internet.
Further, the PLC processor that electromagnetic induction generating unit power supply connects primarily of PROFIBUS bus is interconnected to constitute by the PROFIBUS network possessing synchronous and fault tolerant mechanism with many group intelligent power control modules.Wherein, PLC processor is interconnected to constitute primarily of microprocessor, digitizing man-machine interface panel, current-voltage sampling reaction circuit, under-voltage over-voltage detection circuit and PID power conversion circuit and protection circuit.Wherein, power conversion circuit is connected and composed by intelligent node type controller and power circuit; Intelligent node type controller is interconnected to constitute by infrared temperature supervisory system, current-voltage sampling circuit, high-power driving module, human-computer interaction module and CAN based on mechanical protection in advance mechanism; Described power circuit is interconnected to constitute by EMI circuit, current rectifying and wave filtering circuit, soft-switching inversion bridge and voltage doubling rectifying circuit.
Wherein, the corresponding flow process of set-up of control system and processing parameter, and send corresponding data by PROFIBUS network to electromagnetic induction generating unit power supply, electromagnetic induction generating unit, start vacuum system and heat exchanger simultaneously, by network startup infrared temperature supervisory system and digitizing visual monitor system, regulate the intensity of electromagnetic induction generating unit, at ambrose alloy Zn scrap returns after automatic feeding device is fed into burner hearth, automation control system sends instruction of heating, high temperature resistant sensor is sent to sampling feedback circuit relevant temperature information, electromagnetic induction generating unit changes service rating at any time according to power control system, when temperature and working hour reach preset value, the level sensor of electromagnetic induction furnace bottom can send instruction unpack liquid metal diverter valve, the metal discharge valve of high-temperature fusion pyrolysis is discharged into metal block fixed slot, the high temperature produced then collects tower by cadmia successively containing zinc gas and heat exchanger cools, thus obtain cadmia at cadmia collection tower bottom.
Particularly, electromagnetic induction generating unit power supply 3 is connected to the power converter control end of control subsystem, gather the signal of infrared temperature sensor, by Profibus Internet Transmission to control subsystem, change the outward current of power supply according to the temperature signal of infrared temperature sensor, and then control output power of power supply.
Wherein, recovered material feedthrough 15 is connected to recovered material feedthrough control end, gather cadmia receiving tank weight sensor, the weight signal of cadmia receiving tank weight sensor and the signal of tightness system and the signal of level sensing transducer, judge the weight of material in stove according to the weight of metal die fixed slot weight sensor and cadmia receiving tank weight sensor.When weight is less than set(ting)value, open recovered material feedthrough motor, for controlling rotating speed and the switch of recovered material feedthrough motor.
Wherein, tightness system 16 is connected to the tightness system control end of control subsystem, gathers cadmia receiving tank weight sensor, the weight signal of cadmia receiving tank weight sensor and the signal of level sensing transducer, for controlling the switch of tightness system.
Wherein, infrared temperature supervisory system 6 is connected to the infrared temperature monitoring-controlling system signal output terminal of control subsystem, for gathering real time temperature data in stove, thus real time temperature data in output furnace.
Wherein, liquid metal diversion trench 17 is connected to the liquid metal diversion trench control end of control subsystem, for gather digitized video supervisory system stove in metallic state signal, thus control the switch of liquid metal diversion trench.
Wherein, high-temperature gas bleed valve is connected to the high-temperature gas bleed valve control end of control subsystem, for gathering the signal of PLC, thus controls the switch opening high-temperature gas bleed valve.
Wherein, level sensing transducer is connected to the level sensing transducer output terminal of Controlling System, is arranged on body of heater top, for gathering the height of material in stove and the height of material in output furnace.
Wherein, vacuum pressure sensor is connected to the vacuum pressure sensor output terminal of Controlling System, is arranged in vacuum system pipeline, for gathering vacuum pressure data in stove and vacuum pressure data in output furnace.
Wherein, metal die fixed slot weight sensor is arranged on bottom metal die fixed slot, be connected to the metal die fixed slot weight sensor output terminal of Controlling System, for gathering metal die fixed slot weight data and exporting metal die fixed slot weight data.
Wherein, cadmia receiving tank weight sensor is arranged on bottom cadmia receiving tank, is connected to cadmia receiving tank weight sensor output terminal, and it is for gathering cadmia receiving tank weight data, exports cadmia receiving tank data.
Wherein, digitized video supervisory system 7 is arranged on hexagonal structure smelting furnace 4 lower end, be connected to the digitized video supervisory system output terminal of Controlling System, this supervisory system 7 is for gathering the graphic information of furnace bottom and judging the change of state of metal in stove, the status information of metal in output furnace.
Wherein, vacuum system is connected to the vacuum system Frequency Converter Control end of Controlling System, for gathering the signal of vacuum pressure sensor, and according to the signal of vacuum pressure sensor to control rotating speed and the switch of vacuum system motor, wherein, recovered material feedthrough motor is then opened when pressure is greater than set(ting)value
Wherein, heat exchanger 18 is connected to the heat exchanger control end of Controlling System, for receiving the signal of PLC, to control the switch of tightness system.
The treating processes of native system comprises: broken, and automatic feeding device carries out fragmentation, particle size after cracking length of side 2-50mm to useless assorted ambrose alloy zinc metal; Quantitative feed, recovered material feedthrough adds the useless assorted ambrose alloy zinc metal of a certain amount of fragmentation according to the unblanking of system material position height; Vacuum outgas, opens vacuum pump and makes system pressure reach 13-130Pa; Electromagnetic induction heating, opens electromagnetic induction heating system, heats, and keep 900-1200 degree to material in stove, until height of materials stops heating after being reduced to preset value in stove; Condensation, opens the heat exchanger that cadmia collects tower, zinc fume is carried out being condensed into metal cadmia while heating; Open liquid metal diversion trench after heating, the liquid corronel water conservancy diversion in stove is cooled in metal die fixed slot and forms thick corronel.
Finally it should be noted that, above embodiment is only in order to describe technical scheme of the present invention instead of to limit this technological method, the present invention can extend in application other amendment, change, application and embodiment, and therefore think that all such amendments, change, application, embodiment are all in spirit of the present invention and teachings.
Claims (13)
1. the hexagonal structure smelting furnace reclaimed for waste electroplating corronel, comprise refractory ceramics burner hearth, thermal insulation layer and electromagnetic induction generating unit, wherein, electromagnetic induction generating unit comprises magnet coil, water cooled coil and electromagnetic induction generating unit power supply, and thermal insulation layer is arranged between magnet coil and refractory ceramics burner hearth; Magnet coil is connected with electromagnetic induction generating unit power supply, heats non-metallic material in stove for generation of hertzian wave;
Wherein, described magnet coil is the telefault that 18 groups of structures are identical, respectively and the electromagnetic induction generating unit power supply of six groups of interval alternations be connected, and at the outer wall of opposite face asymmetric installation at hexagonal refractory ceramics burner hearth, install three groups, to produce the magnetic field that can not cancel out each other for each.
2. hexagonal structure smelting furnace according to claim 1, wherein, described hexagonal structure smelting furnace lower end is connected to metal die fixed slot by liquid metal diversion trench; Described hexagonal structure smelting furnace is connected to cadmia by high-temperature gas bleed valve and vapor pipe and collects tower; Wherein, high-temperature gas bleed valve is arranged on the top of hexagonal structure smelting furnace, is connected with vapor pipe.
3. hexagonal structure smelting furnace according to claim 1, wherein, described hexagonal structure smelting furnace also comprises infrared temperature supervisory system and digitized video supervisory system; Wherein, digitized video supervisory system is arranged on hexagonal structure smelting furnace lower end for monitoring heating state in stove, digital signal transmission in treater; Wherein, the digital temperature signal that infrared temperature supervisory system is used for gathering is transferred in PLC processor, is controlled unlatching and the watt level of electromagnetic induction generating unit power supply by PLC processor.
4., for a recovery system for useless assorted ambrose alloy zinc metal charge, comprise automatic feeding device, hexagonal structure smelting furnace, control subsystem, cadmia collection tower and metal die fixed slot; Wherein, automatic feeding device is connected to hexagonal structure smelting furnace via recovered material feedthrough and tightness system; Wherein, hexagonal structure smelting furnace lower end is connected to metal die fixed slot by liquid metal diversion trench; Wherein, hexagonal structure smelting furnace is connected to cadmia by high-temperature gas bleed valve and vapor pipe and collects tower; Wherein, control subsystem is for monitoring the state of automatic feeding device and hexagonal structure smelting furnace, regulate the intensity of the electromagnetic induction generating unit in hexagonal structure smelting furnace, control the metal discharge of high-temperature fusion pyrolysis to metal block fixed slot, control high temperature and collect tower and heat exchanger containing zinc gas by cadmia, obtain cadmia to collect tower bottom at cadmia; Described hexagonal structure smelting furnace comprises refractory ceramics burner hearth, thermal insulation layer and electromagnetic induction generating unit, wherein, electromagnetic induction generating unit comprises magnet coil, water cooled coil and electromagnetic induction generating unit power supply, and thermal insulation layer is arranged between magnet coil and refractory ceramics burner hearth; Magnet coil is connected with electromagnetic induction generating unit power supply, heats non-metallic material in stove for generation of hertzian wave; And described magnet coil is the telefault that 18 groups of structures are identical, respectively and the electromagnetic induction generating unit power supply of six groups of interval alternations be connected, and at the outer wall of opposite face asymmetric installation at hexagonal refractory ceramics burner hearth, install three groups, to produce the magnetic field that can not cancel out each other for each.
5. recovery system according to claim 4, wherein, automatic feeding device is used for receiving useless assorted ambrose alloy zinc metal via transport tape or chapelet, and useless assorted ambrose alloy zinc metal is carried out fragmentation; And for sending in hexagonal structure smelting furnace via recovered material feedthrough, hexagonal structure smelting furnace uses tightness system to close suitable for reading after receiving broken material.
6. recovery system according to claim 4, wherein, liquid metal diversion trench is connected between metal die fixed slot and hexagonal structure smelting furnace, for deriving molten metal in metal die fixed slot; High-temperature gas bleed valve is arranged on the top of hexagonal structure smelting furnace, is connected with vapor pipe, is connected to cadmia and collects tower; Wherein, cadmia is collected tower and is comprised tower body and heat exchanger, and tower body is connected with vapor pipe respectively, and is connected with vacuum system, cadmia receiving tank; Vacuum system and cadmia are collected tower and are connected, for carrying out vacuum outgas to recovery system.
7. recovery system according to claim 4, wherein, described control subsystem is used for:
Corresponding flow process and processing parameter are set, and send corresponding data by PROFIBUS network to electromagnetic induction generating unit power supply, electromagnetic induction generating unit, and start vacuum system and heat exchanger;
Start infrared temperature supervisory system and digitizing visual monitor system, regulate the intensity of electromagnetic induction generating unit; Control electromagnetic induction generating unit and change service rating according to power.
8. recovery system according to claim 7, wherein, electromagnetic induction generating unit power supply is connected to the power converter control end of control subsystem, gather the signal of infrared temperature sensor, change the outward current of power supply according to the temperature signal of infrared temperature sensor, control output power of power supply;
Wherein, recovered material feedthrough is connected to the recovered material feedthrough control end of control subsystem, gather cadmia receiving tank weight sensor, the weight signal of cadmia receiving tank weight sensor and the signal of tightness system and the signal of level sensing transducer, judge the weight of material in stove according to the weight of metal die fixed slot weight sensor and cadmia receiving tank weight sensor.
9., for a recovery method for useless assorted ambrose alloy zinc metal charge, comprising:
Step 1, automatic feeding device carry out fragmentation to useless assorted ambrose alloy zinc metal, add broken useless assorted ambrose alloy zinc metal according to the material position height of hexagonal structure smelting furnace;
Step 2, vacuum outgas, open vacuum pump and make the pressure of the system comprising hexagonal structure smelting furnace reach 13-130Pa;
Step 3, unlatching electromagnetic induction heating system, heat material in stove, and keep 900-1200 degree, until height of materials stops heating after being reduced to preset value in stove;
Open the heat exchanger that cadmia collects tower while step 4, heating, zinc fume is carried out being condensed into metal cadmia; Open liquid metal diversion trench after heating, the liquid corronel water conservancy diversion in stove cooled in metal die fixed slot and forms thick corronel,
Wherein, described hexagonal structure smelting furnace comprises refractory ceramics burner hearth, thermal insulation layer and electromagnetic induction generating unit, wherein, electromagnetic induction generating unit comprises magnet coil, water cooled coil and electromagnetic induction generating unit power supply, and thermal insulation layer is arranged between magnet coil and refractory ceramics burner hearth; Magnet coil is connected with electromagnetic induction generating unit power supply, heats non-metallic material in stove for generation of hertzian wave; Described magnet coil is the telefault that 18 groups of structures are identical, respectively and the electromagnetic induction generating unit power supply of six groups of interval alternations be connected, and at the outer wall of opposite face asymmetric installation at hexagonal refractory ceramics burner hearth, install three groups, to produce the magnetic field that can not cancel out each other for each.
10. method according to claim 9, wherein, step 1 comprises:
Step 11, automatic feeding device receive useless assorted ambrose alloy zinc metal via transport tape or chapelet, and useless assorted ambrose alloy zinc metal is carried out fragmentation within it;
Step 12, quantitatively the material after fragmentation is sent in hexagonal structure smelting furnace via the electric machine rotation conveyance gear of recovered material feedthrough, hexagonal structure smelting furnace uses tightness system will be suitable for reading closed after receiving broken material.
11. methods according to claim 9, wherein, step 2 comprises:
Material after fragmentation enters after in hexagonal structure smelting furnace, tightness system above smelting furnace cuts out, high-temperature gas bleed valve is opened, and vacuum system vacuumizes rear electromagnetic induction generating unit and heats material, and is precisely controlled in-furnace temperature by infrared temperature supervisory system.
12. methods according to claim 9, wherein, step 3 comprises:
Water cooled coil is opened and is lowered the temperature to magnet coil, electromagnetic induction generating unit electric power starting, makes magnet coil produce the hertzian wave of frequency 50Hz to 15KHz, heats the useless assorted ambrose alloy zinc metalliferous material after fragmentation.
13. methods according to claim 9, wherein, step 4 comprises:
Zinc fume arrives cadmia by vapor pipe and collects tower, and heat exchanger starts and carries out cooling condensation to it, and condensed cadmia is discharged to cadmia receiving tank bottom tower body;
The liquid metal of deriving is cooled to fixing shape after arriving metal die fixed slot by liquid metal diversion trench.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410032685.8A CN103805786B (en) | 2014-01-23 | 2014-01-23 | Based on the useless assorted ambrose alloy zinc metal charge recovery furnace of high-efficiency electromagnetic induction heating |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410032685.8A CN103805786B (en) | 2014-01-23 | 2014-01-23 | Based on the useless assorted ambrose alloy zinc metal charge recovery furnace of high-efficiency electromagnetic induction heating |
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| Publication Number | Publication Date |
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| CN103805786A CN103805786A (en) | 2014-05-21 |
| CN103805786B true CN103805786B (en) | 2015-10-28 |
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| CN104567401B (en) * | 2015-01-09 | 2016-10-05 | 上海交通大学 | Fused mass Medium frequency induction high-temperature heating equipment |
| CN107621163A (en) * | 2017-10-13 | 2018-01-23 | 天津林立感应加热电炉制造有限公司 | A kind of preparation method of sensing heating electric furnace body |
| CN110983383A (en) * | 2019-12-20 | 2020-04-10 | 福建省长汀金龙稀土有限公司 | Heating device and heating method for graphite anode in rare earth molten salt electrolysis |
| CN113063290A (en) * | 2020-01-02 | 2021-07-02 | 中国瑞林工程技术股份有限公司 | Device and method for accurately metering and treating copper-containing material |
| CN112947643A (en) * | 2021-02-22 | 2021-06-11 | 首钢京唐钢铁联合有限责任公司 | Metallurgical energy control system and method |
| CN114334503B (en) * | 2021-12-24 | 2022-11-15 | 佛山市诺普材料科技有限公司 | Method for preparing silver tin oxide electrical contact material by low-temperature homogenization and material thereof |
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| CN203336960U (en) * | 2013-01-24 | 2013-12-11 | 魏维广 | Water-free cooling induction heating smelting furnace |
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| JP2004108725A (en) * | 2002-09-20 | 2004-04-08 | Daido Steel Co Ltd | Pressurization induction melting device |
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| US20110111209A1 (en) * | 2008-04-04 | 2011-05-12 | Elmelin Limited | Furnace lining |
| CN202126170U (en) * | 2011-06-16 | 2012-01-25 | 陆建平 | Electric induction furnace |
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