CN102573158B - Method and device for removing electromagnetic induction type metallic surface coating - Google Patents
Method and device for removing electromagnetic induction type metallic surface coating Download PDFInfo
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- CN102573158B CN102573158B CN201210001063.XA CN201210001063A CN102573158B CN 102573158 B CN102573158 B CN 102573158B CN 201210001063 A CN201210001063 A CN 201210001063A CN 102573158 B CN102573158 B CN 102573158B
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Abstract
The invention discloses a method and a device for removing electromagnetic induction type metallic surface coating. The scheme adopted by the invention is that high-frequency current generates an induction magnetic field and a current vortex on a metallic surface via an electromagnetic induction coil, and further a coating is separated from the metallic surface under an appropriate temperature. The device comprises an induction power supply main frame (1), a relay power supply submachine (2), a hand-held sensor (3) and a removable induction head (4), and has the advantages of high speed, low energy consumption, no noise, no dust, no smoke, radiation prevention, discharge prevention, obsolete abrasiveness and sewage prevention, cleanness and safety, can removes the coasting difficult to be processed and on the surface of metal (in particular magnetic metal), can be widely suitable for coating removing operation of ships, storage grooves/cabinets/boxes, and various steel surfaces of coastwise and terrestrial oil conveying pipes.
Description
Technical field
The invention belongs to electromagnetic induction field, relate in particular to a kind of electromagnetic induction type metal face coat removal method and equipment thereof.
Background technology
Vortex current is when the ferromagnetic metal piece of the close not energising of energising ferromagnetic metal piece, the magnetic field that produces opposite direction on the ferromagnetic metal piece surface of not energising, the electric current of this magnetic field generation cutting magnetic line.When alternating current passes through metal derby, electric current will concentrate on metal derby surface to be passed through, and this phenomenon is kelvin effect, and the higher this phenomenon of frequency is more obvious.Because metal has resistance, these current vortexs can be transformed into induction heat energy, and it is carried out surface hardening industrial being widely used for to metal.
Ship deck, hull, groove/cabinet/case that the oil storage gas storage of petrochemical industry is used, the petroleum pipeline on coastal waters and land, bridge and other Industrial Steel structures etc., when maintenance, generally all need to remove the various coatings such as paint, coating, rusty scale, fire prevention coating, erosion and oil stain residue on its surface.Traditional face coat is removed operation and is conventionally adopted sandblast, grinding or water cutter.The mode of sandblast and grinding can produce a large amount of discarded objects, and its expense of processing discarded object is also considerable; Water cutter is also the problem of often will disposing of sewage.In addition, the mode of sandblast, grinding or water cutter also can produce very large noise, and average energy consumption reaches 3kWh/ square metre.
Summary of the invention
The object of this invention is to provide a kind of electromagnetic induction (current vortex) heat-dissipating technology of utilizing and destroy metal surface and the joint interface that is coated with interlayer, efficiency is high, noise is little, pollute little coating for metal surfaces removal method.
Another object of the present invention is to provide a kind of electromagnetic induction (current vortex) heat-dissipating technology of utilizing and destroys metal surface and the joint interface that is coated with interlayer, efficient, energy-saving and environmental protection, the equipment of removing for face coats such as hull, ship deck, petroleum pipeline, oil storage (natural gas or chemicals) tank/groove/cabinet/casees safely.
Technical scheme of the present invention is: a kind of electromagnetic induction type metal face coat removal method, thereby utilize electromagnetic induction heat-dissipating technology to destroy metal surface and remove coat with the joint interface that is coated with interlayer, utilize the electromagnetic induction coil that high-frequency current passes through high power density in metal surface, to produce induced field and current vortex, and then produce suitable temperature and make coat separated with metal surface; Described high-frequency current frequency is 10kHz ~ 100kHz; The power density of described electromagnetic induction coil is 1500 ~ 2000kW/m
2.
A kind of electromagnetic induction type metal face coat eliminating equipment, comprise induction power supply main frame, relaying power supply handset, hand-held inductor and replaceable inductive head, described induction power supply main frame is connected with relaying power supply handset by the High frequency power cable with water-cooling apparatus and magnetic shielding device, and described relaying power supply handset is connected with hand-held inductor by the High frequency power cable with water-cooling apparatus and magnetic shielding device; Described induction power supply main frame is connected with relaying power supply handset, hand-held inductor by data wire respectively; Described replaceable inductive head is connected with hand-held inductor firmly by standard connector, is connected with data wire and with the High frequency power cable of water-cooling apparatus between described replaceable inductive head and hand-held inductor;
Described induction power supply main frame is used to equipment that electric power, cooling water circulation and purification, parameter setting, operational monitoring are provided, and the Long-distance Control of centering relay source handset and hand-held inductor;
Described relaying power supply handset is boosted for high frequency, for described hand-held inductor provides high-frequency induction electric power, carries out cooling water supercharging simultaneously;
Described hand-held inductor is for monitoring real time job temperature and the speed of replaceable inductive head, and provides suitable induced voltage and induction frequencies for replaceable inductive head;
Described replaceable inductive head is used in metal surface, producing induced field and current vortex, and produces suitable temperature.
Further, described induction power supply main frame comprises main control unit, Power Management Unit, rectification filtering unit, high-frequency inversion unit, cooling system and man-machine interface, described main control unit is respectively by data wire and Power Management Unit, rectification filtering unit, high-frequency inversion unit, cooling system, man-machine interface, and relaying power supply handset is connected with hand-held inductor; Described alternating current produces high frequency low voltage electricity through Power Management Unit, rectification filtering unit and high-frequency inversion unit successively and outputs to described relaying power supply handset; Described cooling water is input to described relaying power supply handset through described cooling system; Described man-machine interface is used for carrying out parameter setting.
Further, described relaying power supply handset comprises power-supply controller of electric, high frequency boost module and cooling water pressure charging system, and described power-supply controller of electric is used for controlling described high frequency boost module and cooling water pressure charging system.
Further, described hand-held inductor comprises induction controller, operating key and display, and described induction controller is connected with display with described operating key by data wire, and described induction controller is used for receiving real time job temperature and speed; Described operating key and display show for input control and information.
Further, described replaceable inductive head comprises temperature sensing, velocity transducer and inductive head body; Described inductive head body is the electromagnetic induction coil that high-power high-temperature resistant enamelled wire is made into, and it adopts immersion or/and interior general formula water cooling; Described temperature sensing and velocity transducer are for feeding back real time job temperature and speed to hand-held inductor.
Further, the power density of described inductive head body 19 is 1500 ~ 2000kW/m
2, what described electromagnetic induction coil passed through is 10kHz ~ 100kHz high-frequency current.
The invention has the beneficial effects as follows: utilize electromagnetic induction (current vortex) heat-dissipating technology to destroy metal surface and the joint interface that is coated with interlayer, can adjust and control energy-output ratio, joint interface temperature, heat energy penetration power, operating speed etc. according to the coating of metal surface unlike material, remove easily and up hill and dale the various coats such as paint, coating, rusty scale, fire prevention coating, erosion and oil stain residue on metal surface.Compare with traditional approachs such as sandblast, grinding or water cuttves, have that speed is fast, energy consumption is low, noiselessness, free from dust, non smoke, without radiation, without discharge, totally, safety, and do not produce discarded abrasive and sewage, can remove the various unmanageable coatings in metal (especially ferromagnetic metal) surface.Because equipment inductive head does not contact with working surface, therefore can operation under moist surface or moist environment, to wear and tear little, maintenance is convenient.This equipment can be widely used in the coating removal operation of the various steel surfaces such as petroleum pipeline on boats and ships, storage tank/cabinet/case, coastal waters and land.
Accompanying drawing explanation
Fig. 1 is the system configuration theory diagram of equipment;
Fig. 2 is that the system of equipment forms schematic diagram;
Fig. 3 is fundamental diagram.
Embodiment
As depicted in figs. 1 and 2, a kind of electromagnetic induction type metal face coat eliminating equipment provided by the present invention, comprise induction power supply main frame 1, relaying power supply handset 2, hand-held inductor 3 and replaceable inductive head 4, and the special-purpose High frequency power cable with water-cooling apparatus and magnetic shielding device that connects induction power supply main frame 1 and relaying power supply handset 2, the special-purpose High frequency power cable with water-cooling apparatus and magnetic shielding device that connects relaying power supply handset 2 and hand-held inductor 3, connect relaying power supply handset 2 and induction power supply main frame 1, the exclusive data cable of hand-held inductor 3 and induction power supply main frame 1.
Induction power supply main frame 1, be used to whole equipment that electric power, cooling water circulation and purification, parameter setting, operational monitoring are provided, and the Long-distance Control of centering relay source handset 2 and hand-held inductor 3 etc., mainly comprise main control unit 6, Power Management Unit 7, rectification filtering unit 8, high-frequency inversion unit 9, human-machine interface unit 10 and cooling system 11.Electric power transfer adopts band water cooling plant and magnetic shielding device and can expand the special-purpose High frequency power cable 5 of (20 meters, every joint can be expanded 60 meters of 3 joint meters) by merogenesis, and transfer of data adopts industrial field bus to realize.Main control unit 6 is one and take the control system that PLC is core, mainly complete coordination, control and management between Power Management Unit 7, rectification filtering unit 8, high-frequency inversion unit 9, human- machine interface unit 10 and 11 5 unit of cooling system (system), Long-distance Control and the management of centering relay source handset and hand-held inductor.Power Management Unit 7 mainly comprises circuit breaker, fuse, contactor, relay etc., is used for the alternating current input power supplying of 380V/50Hz or 480V/60Hz to protect and break-make.Rectification filtering unit 8 consists of three-phase commutation bridge switch module, composite filter module and relevant protective circuit.The core of high-frequency inversion unit 9 is IGBT high-frequency inversion modules, and the DC inverter that is used for that rectification filtering unit 8 is exported becomes the high-frequency alternating current of 10kHz ~ 100kHz.Human-machine interface unit 10 consists of liquid crystal display, keyboard, indicator light, switch and alarm buzzer: display is used for display operation menu, running parameter, parameter setting, report to the police indication, fault type etc.; Keyboard comprises 10 numerical keys, 10 function keys, 2 directionkeys, acknowledgement key, backspace key, clear key etc.; Indicator light comprises operation indication, faulty indication, Long-distance Control, local control etc.; Switch comprises upper electrical switch, (fault alarm) reset switch, control mode selector switch etc.
Relaying power supply handset 2 for power relay (high frequency boosts), for hand-held inductor 3 provides high-frequency induction electric power, has cooling system function of increasing pressure simultaneously, comprises power-supply controller of electric 12, high frequency boost module 13 and cooling water pressure charging system 14.Power-supply controller of electric 12 is comprised of PLC and supplementary module, and the core of high frequency boost module 13 is a high-frequency step-up transformer.
Hand-held inductor 3, be used for monitoring temperature and the speed of inductive head 4 real time jobs, and provide the running parameters such as suitable induced voltage and induction frequencies to complete different job tasks for inductive head 4, comprise: induction controller 15, by AVR single-chip microcomputer and respective peripheral circuit, formed, be used for realizing under automatic mode as inductive head 4 provides suitable running parameter automatically, the control of operating key 16 and display 17, by fieldbus and main control unit 6, carry out data interaction, and the data acquisition of temperature sensor 20 and velocity transducer 21; Operating key 16, mainly comprises start/stop button, the increase of output power button, power reduction button, replacement button etc.; With digital parameter display device 17, be used for showing the work at present parameters such as operation area temperature, operating speed, induced voltage, induction frequencies.
Replaceable inductive head 4, is used for needing the metal surface of operation to produce induced field and current vortex, and in metal surface, produces suitable temperature, completes coating removal operation, mainly comprises the high power density (1500 ~ 2000kW/m with water-cooling apparatus
2) inductive head body 19, temperature sensing 20 and velocity transducer 21.Replaceable inductive head 4 is connected with hand-held inductor 3 firmly by standard connector 18, and the object of replacing is for the difformity for metal surface, to use the inductive head of respective shapes.
Operation principle of the present invention as shown in Figure 3, while passing through 10kHz ~ 100kHz high-frequency current in electromagnetic induction coil, joint interface place between surface of steel plate and coat is promptly produced to the localized hyperthermia of 200 ℃ ~ 400 ℃ among a small circle, destroy connecting between surface of steel plate and coat, then can root out easily the coat at this place.Along with the movement of inductor, can remove fast and efficiently all kinds of coats of surface of steel plate.The electromagnetic induction heating layer producing due to the present invention is controlled in very thin thickness, can't exert an influence to the coating of steel plate another side.
The course of work of embodiment is as follows: (1) receives induction power supply main frame 1 the corresponding interface by AC power and cooling water, as operation place has water purification, can not use, and cooling system 11 must increase water filtering device.(2) connect special-purpose High frequency power cable and the data cable between induction power supply main frame 1 and relaying power supply handset 2, power cable can expand to more piece according to operating radius, if still must increase job area, can extend the length of input power cable, this length is unrestricted.(3) connect power cable and the data cable between relaying power supply handset 2 and hand-held inductor 3.(4) according to the shape of metal operation surface, select suitable replaceable inductive head 4, with instrument, be connected to hand-held inductor 3, and the corresponding port that the velocity transducer 20 on replaceable inductive head 4 and temperature sensor 21 data wires are inserted to hand-held inductor 3.(5) connect induction power supply main frame 1, according to the thickness of metal operation surface coating and character, select suitable running parameter, comprise heat penetration, heating-up temperature etc., and select control mode.(6) press the start button on hand-held inductor 3, induction power supply generates an electromagnetic field and inductive loop at metal operation surface via induction coil, temperature and the operating speed of induction controller 15 Real-time Collection operation surfaces, and automatically control heated perimeter and heating-up temperature by the running parameter arranging, this locality and controlled heat energy can be removed coating for metal surfaces immediately, if desired the auxiliary coating of rooting out operation surface of the instrument such as available spades.(7) ambulatory handheld inductor 3 needs the surface of operation to other, until operation completes.
The present invention can adjust and control energy-output ratio, joint interface temperature, heat energy penetration power, operating speed etc. according to the coating of metal surface unlike material, removes easily and up hill and dale the various coats such as paint, coating, rusty scale, fire prevention coating, erosion and oil stain residue on metal surface.Compare with traditional approachs such as sandblast, grinding or water cuttves, the present invention has that speed is fast, energy consumption is low, noiselessness, free from dust, non smoke, without radiation, without discharge, totally, safety, and do not produce discarded abrasive and sewage, can remove the various unmanageable coatings in metal (especially ferromagnetic metal) surface.Compare with traditional approach, main advantage of the present invention has:
Remove the speed of coating than the fast 5-10 of traditional approach doubly;
According to material and the proterties of coating, the coating that approximately can remove 5-50 square metre of area per hour;
Noiselessness, can not affect surrounding environment;
Do not grind the release of sand, even if utilize the sandblast reprocessing of doing things, the pollution of dust also greatly reduces;
Considerably less Litter and disposal cost, environment friendly and pollution-free;
Coating can be removed completely, also partial coating can be removed selectively;
Can the common most coats of process metal surfaces;
Do not have the pollution of abrasive particles to scatter;
Substantially there is no dust emission, needn't build expensive time-consuming partition wall again;
Other engineering (as welding, assembling, mechanical, electric etc.) all can nearby be carried out simultaneously;
All very safe to operator and surrounding environment, under open environment, operator uses the standard personal protection of common mechanical engineering to be equipped with;
Low energy consumption, the required energy consumption of unit are only has 1/2 ~ 1/3 of traditional approach;
Inductive head has various shape and size, can be used for several work occasion, and changes conveniently;
Can operation under moist surface or moist environment, also no problem even if the rainy day is used;
Inductive head does not contact with working surface, and all movable parts are wheeled, almost not wearing and tearing, and maintenance is convenient;
Can not produce any harmful effect to electrical type equipment.
Below the unrestricted technical scheme of the present invention in order to explanation only, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the present invention, and not departing from any modification or partial replacement of the spirit and scope of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. an electromagnetic induction type metal face coat eliminating equipment, comprise induction power supply main frame (1), relaying power supply handset (2), hand-held inductor (3) and replaceable inductive head (4), it is characterized in that, described induction power supply main frame (1) is connected with relaying power supply handset (2) by the High frequency power cable with water-cooling apparatus and magnetic shielding device, and described relaying power supply handset (2) is connected with hand-held inductor (3) by the High frequency power cable with water-cooling apparatus and magnetic shielding device; Described induction power supply main frame (1) is connected with relaying power supply handset (2), hand-held inductor (3) by data wire respectively; Described replaceable inductive head (4) is connected with hand-held inductor (3) firmly by standard connector (18), is connected with data wire and with the High frequency power cable of water-cooling apparatus between described replaceable inductive head (4) and hand-held inductor (3);
Described induction power supply main frame (1) is used to equipment that electric power, cooling water circulation and purification, parameter setting, operational monitoring are provided, and the Long-distance Control of centering relay source handset (2) and hand-held inductor (3);
Described relaying power supply handset (2) is boosted for high frequency, for described hand-held inductor (3) provides high-frequency induction electric power, carries out cooling water supercharging simultaneously;
Described hand-held inductor (3) is for monitoring real time job temperature and the speed of replaceable inductive head (4), and provides suitable induced voltage and induction frequencies for replaceable inductive head (4);
Described replaceable inductive head (4) is for produce induced field and current vortex in metal surface, and produces suitable temperature.
2. a kind of electromagnetic induction type metal face coat eliminating equipment according to claim 1, it is characterized in that, described induction power supply main frame (1) comprises main control unit (6), Power Management Unit (7), rectification filtering unit (8), high-frequency inversion unit (9), cooling system (11) and man-machine interface (10), described main control unit (6) is respectively by data wire and Power Management Unit (7), rectification filtering unit (8), high-frequency inversion unit (9), cooling system (11), man-machine interface (10), and relaying power supply handset (2) is connected with hand-held inductor (3), alternating current outputs to described relaying power supply handset (2) through Power Management Unit (7), rectification filtering unit (8) and high-frequency inversion unit (9) generation high frequency low voltage electricity successively, described cooling water is input to described relaying power supply handset (2) through described cooling system (11), described man-machine interface (10) shows for carrying out parameter setting and information.
3. a kind of electromagnetic induction type metal face coat eliminating equipment according to claim 1, it is characterized in that, described relaying power supply handset (2) comprises power-supply controller of electric (12), high frequency boost module (13) and cooling water pressure charging system (14), and described power-supply controller of electric (12) is for controlling described high frequency boost module (13) and cooling water pressure charging system (14).
4. a kind of electromagnetic induction type metal face coat eliminating equipment according to claim 1, it is characterized in that, described hand-held inductor (3) comprises induction controller (15), operating key (16) and display (17), described induction controller (3) is connected with display (17) with described operating key (16) by data wire, and described induction controller (15) is for receiving real time job temperature and speed; Described operating key (16) and display (17) show for input control and information.
5. a kind of electromagnetic induction type metal face coat eliminating equipment according to claim 1, is characterized in that, described replaceable inductive head (4) comprises temperature sensor (20), velocity transducer (21) and inductive head body (19); The electromagnetic induction coil that described inductive head body (19) is made into for high-power high-temperature resistant enamelled wire, it adopts immersion or/and interior general formula water cooling; Described temperature sensing (20) and velocity transducer (21) are for feeding back real time job temperature and speed to hand-held inductor (3).
6. a kind of electromagnetic induction type metal face coat eliminating equipment according to claim 5, is characterized in that, the power density of described inductive head body (19) is 1500 ~ 2000kW/m
2.
7. a kind of electromagnetic induction type metal face coat eliminating equipment according to claim 5, is characterized in that, what described electromagnetic induction coil passed through is 10kHz ~ 100kHz high-frequency current.
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| CN201210001063.XA CN102573158B (en) | 2012-01-05 | 2012-01-05 | Method and device for removing electromagnetic induction type metallic surface coating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016072858A1 (en) * | 2014-09-19 | 2016-05-12 | Brynsløkken As | Antifouling by means of induction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392249B (en) * | 2011-11-28 | 2013-06-05 | 江西省科学院应用物理研究所 | Method for removing coatings on surfaces of hard alloys |
| ES2528865B2 (en) * | 2014-08-21 | 2015-05-12 | Universidade De Santiago De Compostela | Temperature measuring device, device manufacturing method and impact point measuring system that incorporates the device |
| CN104624540B (en) * | 2015-02-27 | 2016-09-14 | 四川渝拓橡塑工程有限公司 | Crawler type coating removal device |
| CN105173033A (en) * | 2015-09-30 | 2015-12-23 | 江苏天宝利自动化科技有限公司 | Heating device for ship paint removal and ship paint removal method |
| CN109202733A (en) * | 2018-09-26 | 2019-01-15 | 南京航空航天大学 | A kind of minimizing technology and device of metal component surface thermal barrier coating |
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| CN202052730U (en) * | 2011-04-02 | 2011-11-30 | 重庆烽峦科技发展有限公司 | Device for removing wrappage on steel surface |
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| WO2016072858A1 (en) * | 2014-09-19 | 2016-05-12 | Brynsløkken As | Antifouling by means of induction |
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Address after: Building 2, No.36, Nanwei 4th Road, Dingmao, New District, Zhenjiang City, Jiangsu Province, 212000 Patentee after: JIANGSU SHIPTEK AUTOMATION TECHNOLOGY Co.,Ltd. Address before: 212003, No. 2, Mengxi Road, Zhenjiang, Jiangsu Patentee before: JIANGSU SHIPTEK AUTOMATION TECHNOLOGY Co.,Ltd. |