CN211378300U - Electromagnetic induction heating device for assembling and welding nuclear power pressure vessel connecting pipe - Google Patents
Electromagnetic induction heating device for assembling and welding nuclear power pressure vessel connecting pipe Download PDFInfo
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- CN211378300U CN211378300U CN201921985439.9U CN201921985439U CN211378300U CN 211378300 U CN211378300 U CN 211378300U CN 201921985439 U CN201921985439 U CN 201921985439U CN 211378300 U CN211378300 U CN 211378300U
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Abstract
The utility model discloses a nuclear power pressure vessel takeover assembly welding electromagnetic induction heating device, the extension cable is connected with the induction heating power with the controller, and the induction heating power provides the power for induction heater, and fixing device is fixed in heating workpiece with induction heater. The utility model has the advantages that: the device is matched with an induction heating power supply, an extension cable and a thermocouple to realize high-efficiency heating. The utility model discloses an electromagnetic induction heating heats the butt joint pipe-barrel welding seam, and the control temperature that can be more accurate has improved heating efficiency, has reduced manufacturing cost to welding quality has been improved.
Description
Technical Field
The utility model relates to a heating device is applied to in the nuclear power pressure vessel product manufacturing for the heating device who preheats before welding and weld postheat treatment in pressure vessel takeover and the shell ring assembly welding manufacturing procedure, in particular to nuclear power pressure vessel takeover assembly welding electromagnetic induction heating device.
Background
The connecting pipe and the cylinder in the pressure container product are connected in a welding mode, and for a welding process, the welding position of a workpiece needs to be preheated before welding, heat is preserved in the welding process, and heat treatment is carried out after welding, so that the workpiece needs to be heated by an external heat source to meet the requirements of the welding process. At present, a workpiece is heated in a gas mode, flame of a heating pipe bank is directly sprayed to the welding position of a cylinder section and a connecting pipe, and the heating pipe bank adopts a traditional flame heating mode, so that heating cannot be accurately controlled, the problems of uneven heating, inaccurate heating temperature, low heating efficiency, large heat radiation, poor working environment and the like are easily caused, the manufacturing cost is increased, and welding defects and the welding quality are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an electromagnetic induction adds hot type and takes over and shell ring assembly welding heating device for solve current gas heating mode, the heating that flame direct injection caused on heating workpiece can't reach accurate control, causes very easily that the heating is inhomogeneous, heating temperature inaccuracy, heating efficiency is low, heat radiation is big, quality subalternation technical problem.
According to the electromagnetic induction heating device for assembling and welding the nuclear power pressure vessel connecting pipe, the extension cable is connected with the induction heating power supply with the controller, the induction heating power supply provides power for the induction heater, and the fixing device fixes the induction heater on the heating workpiece.
Further optimize, the heating work piece on be equipped with temperature measuring device, temperature measuring device is connected with the controller of induction heating power, realizes the accurate heating of heating work piece, temperature measuring device can feed back the temperature of the heating work piece that detects to the controller, when the temperature reaches the required preheating temperature of technology, sets up the procedure into automatic heat preservation state, begins to carry out weldment work to the heating work piece.
Further optimizing, induction heater include inside induction heater and outside induction heater, and each heater independent work, inside induction heater fixes at the heating work piece inner wall, outside induction heater fixes at the heating work piece outer wall.
Further optimize, fixing device include straining device and top tight device, straining device is fixed in heating workpiece inner wall with inside induction heater, top tight device is fixed in heating workpiece outer wall with outer wall induction heater.
Further preferably, the tensioning device comprises a pull rod assembly and a pull rod support, the pull rod assembly comprises a plurality of pull rods, one ends of the pull rods are connected with the pull rod support, the other ends of the pull rods are connected with the internal inductor, and the internal inductor is fixed on the workpiece and is heated through adjustment of the pull rods.
Further optimize, the tight device in top include jackscrew subassembly and jackscrew support, be fixed with the jackscrew subassembly on the jackscrew support, fix outside flexible inductor outside heating workpiece through the jackscrew subassembly.
Further optimize, inside induction heater adopt rigid structure, adopt the fan-shaped integrated configuration's of cylinder mode, including the fan-shaped combination rigid frame of cylinder, electromagnetic induction heating cable, the cloth that keeps warm, the fixed connection buckle, constitute overall structure with each part through the screw, the fan-shaped combination rigid frame of cylinder is used for arranging induction heating cable above that, the main part material is high strength epoxy mica plate, connect through aluminium alloy block and constitute overall frame, the fixed connection buckle is fixed with electromagnetic induction heating cable, the cloth winding that keeps warm is outside electromagnetic induction heating cable, the cloth that keeps warm is used for thermal-insulated, and inside induction heater is equipped with quick connector.
The outer wall induction heater is further optimized, a flexible heating belt structure is adopted, and the shape of the flexible heating belt can be freely changed according to the shape of a heating workpiece; inside electromagnetic induction heating cable of arranging of flexible heating band, the fixed connection buckle is fixed with electromagnetic induction heating cable, and the cloth winding that keeps warm is outside electromagnetic induction heating cable, through the fixed overall structure that becomes of high temperature resistant line, and the cloth that keeps warm is used for thermal-insulated, and outside induction heater is equipped with quick connector.
Further optimize, the preparation of the resistant high temperature envelope of electromagnetic induction heating cable intermediate frequency low-loss litz, high temperature resistant 300 ℃, adopt air cooling litz cable, the cable core comprises 2500 high temperature resistant envelopes, the fixed connection buckle be the dicyclo structure, the epoxy material, the heat preservation cloth adopt high silica material line to weave, high temperature resistant more than 1000 ℃.
The utility model has the advantages that: the device is matched with an induction heating power supply, an extension cable and a thermocouple to realize high-efficiency heating. The utility model discloses an electromagnetic induction heating heats the butt joint pipe-barrel welding seam, and the control temperature that can be more accurate has improved heating efficiency, has reduced manufacturing cost to welding quality has been improved.
Drawings
FIG. 1 is a schematic diagram of the heating embodiment of the utility model for the assembly welding of the nuclear power pressure vessel connecting pipe.
Fig. 2 is a schematic view of the induction heater apparatus of the present invention.
The labels in the figure are: 1-heating the workpiece; 2-internal induction heater; 2-1, combining a cylindrical fan-shaped rigid frame; 2-2 induction heating of the cable; 2-3, fixedly connecting a buckle; 2-4 of heat-insulating cloth; 3-an external induction heater; 3-1 induction heating the cable; 3-2, fixedly connecting a buckle; 3-3 of heat-insulating cloth; 4-a tensioning device; 4-1 a tie rod assembly; 4-2, a pull rod support; 5-a jacking device; 5-1, tightly supporting the support; 5-2 jackscrew assembly.
Detailed Description
The following describes the electromagnetic induction heating device for assembling and welding the connecting pipe of the nuclear power pressure vessel with reference to the accompanying drawings.
This kind of nuclear power pressure vessel takeover assembly welding electromagnetic induction heating device, as shown in figure 1, for an electromagnetic induction type pressure vessel takeover assembly welding heating device use the sketch map, including heating workpiece 1, inside induction heater 2, outside induction heater 3, straining device 4 and top tight device 5.
As shown in fig. 2, the internal induction heater 2 comprises a cylindrical fan-shaped combined rigid frame 2-1, induction heating cables 2-2 and 3-1, fixed connecting buckles 2-3 and 3-2 and heat preservation cloths 2-4 and 3-3, and all the parts are combined into an integral structure through screws; the external induction heater 3 comprises induction heating cables 2-2 and 3-1, fixed connecting buckles 2-3 and 3-2 and high-temperature cloth, and is fixed into an integral structure through a high-temperature resistant wire; the tension device 4 comprises a pull rod assembly 4-1 and a pull rod support 4-2; the jacking device 5 comprises a jacking wire assembly 5-2 and a jacking wire support 5-1.
According to the electromagnetic induction heating device for assembling and welding the nuclear power pressure vessel connecting pipe, the extension cable is connected with the induction heating power supply with the controller, the induction heating power supply provides power for the induction heater, and the fixing device fixes the induction heater on the heating workpiece 1. Be equipped with temperature measuring device on the heating workpiece 1, temperature measuring device is connected with the controller of induction heating power, realizes the accurate heating of heating workpiece 1, and temperature measuring device can feed back the temperature of the heating workpiece 1 that detects to the controller, and after the temperature reached the required preheating temperature of technology, set up the procedure into automatic heat preservation state, begin to carry out weldment work to heating workpiece 1. A thermocouple is generally selected as the temperature measuring device.
In order to heat the heating workpiece 1 more uniformly, the induction heater is divided into an inner induction heater 2 and an outer induction heater 3, the heaters work independently, the inner induction heater 2 is fixed on the inner wall of the heating workpiece 1 through a pull rod of a tensioning device 4, the tensioning device 4 comprises a pull rod assembly 4-1 and a pull rod support 4-2, the pull rod assembly 4-1 comprises a plurality of pull rods, one end of each pull rod is connected with the pull rod support 4-2, the other end of each pull rod is connected with an inner inductor, and the inner inductor is fixed on the heating workpiece 1 through adjustment of the pull rods. The external induction heater 3 is fixed on the outer wall of the heating workpiece 1 through a jackscrew component 5-2 of a jacking device 5, the jacking device 5 comprises the jackscrew component 5-2 and a jackscrew support 5-1, the jackscrew component 5-2 is fixed on the jackscrew support 5-1, and the external flexible inductor is fixed outside the heating workpiece through the jackscrew component 5-2.
The internal induction heater 2 adopts a rigid structure and adopts a cylindrical fan-shaped combined structure, and comprises a cylindrical fan-shaped combined rigid frame 2-1, induction heating cables 2-2, 3-1, heat preservation cloth 2-4, 3-3 and fixed connection buckles 2-3 and 3-2, wherein the cylindrical fan-shaped combined rigid frame 2-1 is used for arranging the induction heating cables 2-2 and 3-1 thereon, the main material is a high-strength epoxy resin mica plate which is connected to form an integral frame through an aluminum alloy block, the induction heating cables 2-2 and 3-1 are fixed on the cylindrical fan-shaped combined rigid frame 2-1 through the fixed connection buckles 2-3 and 3-2, the distance between the adjacent induction heating cables 2-2 and 3-1 is ensured to be 10mm, and the heat preservation cloth 2-4, 3-3 are wound outside the induction heating cables 2-2 and 3-1, and the heat preservation cloth 2-4 and 3-3 are used for heat insulation. The induction heating cables 2-2 and 3-1 are fixed on the cylindrical fan-shaped combined frame by the heat insulation cloth 2-4 and 3-3, and all the parts form an integral structure by screws. For the convenience of plugging, the internal induction heater 2 is provided with a quick-plugging connector. The outer wall induction heater adopts a flexible heating belt structure, and the shape of the flexible heating belt can be freely changed according to the shape of the heating workpiece 1; the induction heating cables 2-2 and 3-1 are arranged inside the flexible heating belt, the induction heating cables 2-2 and 3-1 are fixed by fixedly connecting the buckles 2-3 and 3-2, the heat preservation cloth 2-4 and 3-3 is wound outside the induction heating cables 2-2 and 3-1, and the heat preservation cloth 2-4 and 3-3 is used for heat insulation. The heat preservation cloth 2-4 and 3-3 is wrapped by the induction heating cables 2-2 and 3-1 fixedly connected with the buckles 2-3 and 3-2 and then fixed into an integral structure through a high temperature resistant wire. For convenient insertion, the external induction heater 3 is provided with a quick connector.
The induction heating cables 2-2 and 3-1 are manufactured by medium-frequency low-loss litz high-temperature-resistant covered wires, the high temperature resistance is 300 ℃, an air cooling litz cable is adopted, a cable core is composed of 2500 high-temperature-resistant covered wires, the fixedly connected buckles 2-3 and 3-2 are of a double-ring structure, the epoxy resin material is adopted, the heat-insulating cloth 2-4 and 3-3 are woven by high-silica material wires, and the high temperature resistance is over 1000 ℃.
A, adjusting the position of a heating workpiece 1 to facilitate installation of an internal induction heater 2, and fixing the internal induction heater 2 on the inner wall of the heating workpiece 1 through a tensioning device 4;
B. adjusting the position of the workpiece to facilitate the installation of an external reaction heater, and fixing an external induction heater 3 on the outer wall of the heating workpiece 1 through a jacking device 5;
C. the internal induction heater 2, the external heater and the temperature measuring device are connected with a controller of an induction heating power supply through an extension cable;
D. the temperature of the heating workpiece 1 is measured by the selected thermocouple temperature measuring device, and a temperature signal is fed back to the controller of the induction heating power supply, when the temperature reaches the preheating temperature required by the process, the controller sets the program to be in an automatic heat preservation state, and the welding work is started on the heating workpiece 1.
The foregoing illustrates and describes the principles, general structure, and advantages of the present invention. It will be understood by those skilled in the art that variations and modifications in size and orientation may be made without departing from the spirit and scope of the invention, and these variations and modifications are intended to be within the scope of the invention as claimed.
Claims (9)
1. Nuclear power pressure vessel takeover assembly welding electromagnetic induction heating device which characterized in that: the extension cable is connected with an induction heating power supply with a controller, the induction heating power supply provides power for the induction heater, and the fixing device fixes the induction heater on the heating workpiece.
2. The assembly welding electromagnetic induction heating device for the nuclear power pressure vessel connecting pipe according to claim 1, characterized in that: the heating workpiece is provided with a temperature measuring device, and the temperature measuring device is connected with a controller of the induction heating power supply.
3. The assembly welding electromagnetic induction heating device for the nuclear power pressure vessel connecting pipe according to claim 2, characterized in that: the induction heater comprises an internal induction heater and an external induction heater, each heater works independently, the internal induction heater is fixed on the inner wall of the heating workpiece, and the external induction heater is fixed on the outer wall of the heating workpiece.
4. The assembly welding electromagnetic induction heating device for the nuclear power pressure vessel connecting pipe according to claim 3, characterized in that: the fixing device comprises a tensioning device and a jacking device, the tensioning device fixes the internal induction heater on the inner wall of the heating workpiece, and the jacking device fixes the external induction heater on the outer wall of the heating workpiece.
5. The assembly welding electromagnetic induction heating device for the nuclear power pressure vessel connecting pipe according to claim 4, characterized in that: the tensioning device comprises a pull rod assembly and a pull rod support, the pull rod assembly comprises a plurality of pull rods, one ends of the pull rods are connected with the pull rod support, the other ends of the pull rods are connected with the internal inductor, and the internal inductor is fixed on a workpiece and is heated through adjustment of the pull rods.
6. The assembly welding electromagnetic induction heating device for the nuclear power pressure vessel connecting pipe according to claim 4, characterized in that: the jacking device comprises a jackscrew assembly and a jackscrew support, the jackscrew assembly is fixed on the jackscrew support, and an external flexible inductor is fixed outside the heating workpiece through the jackscrew assembly.
7. The assembly welding electromagnetic induction heating device for the nuclear power pressure vessel connecting pipe according to claim 3, characterized in that: the internal induction heater adopts a rigid structure and comprises a cylindrical fan-shaped combined rigid frame, an electromagnetic induction heating cable, heat-insulating cloth and a fixed connecting buckle, and all the components are combined into an integral structure through screws; the cylindrical fan-shaped combined rigid frame is used for arranging the induction heating cable thereon, and the main body is made of a high-strength epoxy resin mica plate and is connected by an aluminum alloy block to form an integral frame; the electromagnetic induction heating cable is fixed by the fixed connecting buckle; the heat preservation cloth is wound outside the electromagnetic induction heating cable, and the internal induction heater is provided with a quick connector.
8. The assembly welding electromagnetic induction heating device for the nuclear power pressure vessel connecting pipe according to claim 4, characterized in that: the outer wall induction heater adopts a flexible heating belt structure, and electromagnetic induction heating cables are arranged in the flexible heating belt.
9. The assembly welding electromagnetic induction heating device for the nuclear power pressure vessel connecting pipe according to claim 8, characterized in that: the electromagnetic induction heating cable medium-frequency low-loss litz high-temperature-resistant covered wire is manufactured, the temperature is 300 ℃ high, an air cooling litz cable is adopted, a cable core is formed by 2500 high-temperature-resistant covered wires, the fixed connection buckle is of a double-ring structure and made of epoxy resin, and the heat-insulating cloth is woven by high-silica material wires and is resistant to the high temperature of more than 1000 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921985439.9U CN211378300U (en) | 2019-11-18 | 2019-11-18 | Electromagnetic induction heating device for assembling and welding nuclear power pressure vessel connecting pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921985439.9U CN211378300U (en) | 2019-11-18 | 2019-11-18 | Electromagnetic induction heating device for assembling and welding nuclear power pressure vessel connecting pipe |
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| CN211378300U true CN211378300U (en) | 2020-08-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110730521A (en) * | 2019-11-18 | 2020-01-24 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Nuclear power pressure vessel connecting pipe assembly welding electromagnetic induction heating device and using method thereof |
| CN118497491A (en) * | 2024-07-12 | 2024-08-16 | 云南博可能源科技有限公司 | Tungsten concentrate heating metallurgical equipment and smelting method based on electromagnetic induction |
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2019
- 2019-11-18 CN CN201921985439.9U patent/CN211378300U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110730521A (en) * | 2019-11-18 | 2020-01-24 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Nuclear power pressure vessel connecting pipe assembly welding electromagnetic induction heating device and using method thereof |
| CN110730521B (en) * | 2019-11-18 | 2024-07-05 | 中国第一重型机械集团大连加氢反应器制造有限公司 | Electromagnetic induction heating device for nuclear power pressure container joint welding and use method thereof |
| CN118497491A (en) * | 2024-07-12 | 2024-08-16 | 云南博可能源科技有限公司 | Tungsten concentrate heating metallurgical equipment and smelting method based on electromagnetic induction |
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