CN101797647A - Vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace - Google Patents
Vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace Download PDFInfo
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- CN101797647A CN101797647A CN 201010121231 CN201010121231A CN101797647A CN 101797647 A CN101797647 A CN 101797647A CN 201010121231 CN201010121231 CN 201010121231 CN 201010121231 A CN201010121231 A CN 201010121231A CN 101797647 A CN101797647 A CN 101797647A
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Abstract
The invention relates to a vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace. The furnace is formed by overlaying upper, middle and lower barrels with flanges. A heating element in the furnace is provided with a plurality of heating channels; each channel is provided with a corresponding feed pipe to form a feed channel; the feed pip is communicated with a hopper through a feed mechanism; a conic throwing disk driven by a rotary driving mechanism is arranged in the middle barrel; and the conic throwing disk is driven by the rotary driving mechanism to do circular movement around a central vertical line. A feed part of the furnace is used for providing furnace materials for an ultrahigh hearth controllably and uniformly; a heating part is used for heating the furnace materials to a molten state; and a cooling part is used for cooling the heated furnace materials quickly and delivering the cooled furnace materials out of the furnace. The heating element of the spheroidizing furnace has a multi-channel structure and can improve the yield and reduce the energy consumption by several times or even tens of times. The spheroidizing furnace realizes a continuous production process and has the advantages of high yield and low energy consumption.
Description
Technical field
The present invention relates to a kind of vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace, particularly a kind ofly can realize to realize vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace irregular particle shape hard material spheroidization technology to irregular hard alloy particle spheroidization technology or in the hard material industry in cemented carbide industry.
Technical background
In industries such as carbide alloy, hard materials, use the vertical superhigh-temperature stove irregular particle shape Hardmetal materials or hard material are heated to molten condition, make its rapid condensation generate corresponding ball shape particle then, be a kind of technology of spheroidization preferably.But used balling furnace is the single channel heating furnace, the shortcoming that have the energy consumption height, yields poorly at present.
Summary of the invention
The objective of the invention is shortcoming in order to overcome single channel heating furnace energy consumption height, to yield poorly, provide that a kind of energy consumption is low, output is high, operating temperature reach 3000 ℃ vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace.
Technical scheme of the present invention: a kind of vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace is a vertical structure, production work is made as continuously-running duty, maximum operation (service) temperature is 3000 ℃, mode of heating is an eddy-current heating, the nodularization object is mainly irregular hard alloy particle and hard material particle (as casting carbon tungsten carbide particle etc.), but also nodularization other irregular metal of part and metallic compound, simple substance and compound particle.
Balling furnace is made up of charging, heating, cooling three parts.That feeding part is responsible for is controlled, provide furnace charge to the superhigh temperature burner hearth equably; Heating part is responsible for furnace charge is heated to molten condition; Cooling segment is responsible for the furnace charge rapid condensation after the heating and is sent outside the stove.
Heater in this vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace upper shell is the cylindrical body structure, this heater is provided with the axial heat tunnel of arranging according to certain rules that allows material fall to passing through, heater and heat tunnel are overall structure, heat tunnel promptly directly is set on heater, be not heat generating components still of heater, still multichannel burner hearth parts; Or heater and heat tunnel be fabricated structure, promptly is provided with the passage body in the heater, on this passage body heat tunnel is set directly; At least two of its heat tunnel quantity, each axial heat tunnel top disposes corresponding feed pipe and forms blanking channel (also being heat tunnel), and the quantity of feed pipe equals the quantity of heat tunnel; This feed pipe top communicates with hopper by feeding mechanism;
Described furnace shell constitutes by the flanged (FLGD) cylindrical shell of upper, middle, and lower part is stacked, and this bottom cylindrical shell is provided with inner bearing support for the divergent-cone wall of band discharging opening in the upper shell, is provided with the taper that is driven by rotary drive mechanism in the middle cylinder body and gets rid of dish; Taper is got rid of dish and make circular motion around the center vertical line under the driving of rotary drive mechanism.
The inner bearing support of described furnace shell upper shell is provided with the base of band centre bore, on this base heater is set, and this heater periphery sets gradually inner thermal insulating layer, external thermal insulation and induction coil; Described bell is provided with a cylindrical tube formula stove and chews; The sandwich of logical cooling water in its bell, furnace shell, inner bearing support and Lu Zui are.
Described heater is a cylinder, or the square column body, or prismatic body, or irregular cylindrical body structure, and the corresponding with it heater shape of the shape of its induction coil, external thermal insulation, inner thermal insulating layer, base is complementary.
Key technology of the present invention is: the design of a kind of induction heater blanking channel and heater geometry; Its innovative point is: be provided with the axial heat tunnel that can allow material fall more than two to pass through on the cylindrical body heater, and configuration and the feed pipe that axially heat tunnel is corresponding one by one, quantity is equal above axial heat tunnel, form a plurality of blanking channels; Adopt multi-channel mode can several times even ten to improve output several fold and cut down the consumption of energy.
Production process is; with the material that the needs nodularization hopper of packing into; add protective gas from air inlet pipe; air in the body of heater is discharged out of the furnace; after confirming that oxygen content is lower than process value in the stove; send to induction coil; the multi-channel transmit hot body begins to heat up; after temperature arrives process value; controlled by feeding mechanism; equably to the feed pipe feed; material enters the heat tunnel of multi-channel transmit hot body through feed pipe; and fall in the freely falling body mode; be heated to molten condition and form spherical in moment through the multi-channel transmit hot body; the whereabouts enters the cooling zone after by the multi-channel transmit hot body, when falling the taper of rotating and get rid of dish and go up around central axis, and the centrifugal action that dish is got rid of in impact that produces because of freely falling body and taper; material is thrown on the inwall of water-cooled interlayer cylindrical shell of furnace shell rapid condensation and falls outside the stove from bottom divergent-cone wall centre bore along the furnace shell inwall then to technological temperature.Material continuously, evenly, controllably enters heat tunnel through feeding mechanism, has realized continuous production processes.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a monoblock type calandria section structure schematic diagram;
Fig. 3 is a combined type calandria section structure schematic diagram;
Among the figure: 1-feed pipe, 2-feeding mechanism, 3-hopper, 4-gripper shoe, the 5-tracheae, 6-bell, 7-heat tunnel, the 8-induction coil, 9-external thermal insulation, 10-inner thermal insulating layer, 11-multi-channel transmit hot body, 12-base, 13-furnace shell, the 14-inner bearing support, dish is got rid of in the 15-taper, the 16-rotary drive mechanism, the 17-discharging opening, 18 1 passage bodies, 61 1 stoves are chewed.
The specific embodiment
Referring to above-mentioned accompanying drawing, a kind of vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace, comprise feed pipe 1, feeding mechanism 2, hopper 3, feed pipe gripper shoe 4, tracheae 5, bell 6, induction coil 8, heat tunnel 7, external thermal insulation 9, inner thermal insulating layer 10, heater 11, base 12, furnace shell 13, inner bearing support 14, discharging opening 17 and stove and chew 61
Heater 11 in this vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace upper shell is the cylindrical body structure, this heater 11 is provided with the axial heat tunnel of arranging according to certain rules 7 (being four heat tunnels in the present embodiment) that allows material fall to passing through, heater 11 is an overall structure with heat tunnel 7, and heat tunnel 7 promptly directly is set on heater 11; Perhaps heater 11 and heat tunnel 7 are designed to fabricated structure, promptly are provided with passage body 18 in the heater 11, heat tunnel 7 (shown in Figure 3) directly is set on passage body 18; At least two of its heat tunnel 7 quantity, each axial heat tunnel 7 top dispose corresponding feed pipe 1 and form blanking channel, and the quantity of feed pipe 1 equals the quantity of heat tunnel 7; This feed pipe 1 top communicates with hopper 3 by feeding mechanism 2;
The inner bearing support 14 of furnace shell 13 upper shells is provided with the base 12 of band centre bore, on this base 12 heater 11 is set, and these heater 11 peripheries set gradually inner thermal insulating layer 10, external thermal insulation 9 and induction coil 8; Described bell 6 is provided with a cylindrical tube formula stove and chews 61; Its bell 6, furnace shell 13, inner bearing support 14 and stove are chewed 61 and are interior sandwich of leading to cooling water.
Heater 11 is a cylinder, the section configuration of the induction coil 8 corresponding with it, external thermal insulation 9, inner thermal insulating layer 10, base 12 is circle, (heater also can be the square column type body, or prismatic body, or irregular cylindrical body structure, the section configuration of the induction coil 8 corresponding with it, external thermal insulation 9, inner thermal insulating layer 10, base 12 and the section configuration of heater are complementary).
Production process is; with the material that the needs nodularization hopper 3 of packing into; add protective gas from air inlet pipe 5; air in the body of heater is discharged out of the furnace; after confirming that oxygen content is lower than process value in the stove; send to induction coil 8; heater 11 begins to heat up; after temperature arrives process value; controlled by feed arrangement 2; equably to feed pipe 1 feed; material enters the heat tunnel 7 of heater 11 through feed pipe 1; and fall in the freely falling body mode; be heated to molten condition and form spherical in moment through heater 11; the whereabouts enters the cooling zone after by heater 11, when falling when the taper that central axis rotates is got rid of on the dish 15, and the centrifugal action that dish 15 is got rid of in impact that produces because of freely falling body and taper; material is thrown on the inwall of water-cooled interlayer cylindrical shell of furnace shell 13 rapid condensation and falls outside the stove from bottom divergent-cone wall centre bore 17 along furnace shell 13 inwalls then to technological temperature.Material continuously, evenly, controllably enters heat tunnel 7 through feeding mechanism 2, has realized continuous production processes.
Claims (2)
1. vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace, comprise feed pipe (1), feeding mechanism (2), hopper (3), feed pipe gripper shoe (4), bell (6), induction coil (8), heat tunnel (7), external thermal insulation (9), inner thermal insulating layer (10), heater (11), base (12), furnace shell (13), discharging opening (17) and stove and chew (61), it is characterized in that:
Heater (11) in A, the described vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace upper shell is the cylindrical body structure, this heater (11) is provided with the axial heat tunnel of arranging according to certain rules (7) that allows material fall to passing through, heater (11) is an overall structure with heat tunnel (7), and heat tunnel (7) promptly directly is set on heater (11); Or heater (11) and heat tunnel (7) be fabricated structure, promptly is provided with passage body (18) in the heater (11), on this passage body (18) heat tunnel (7) is set directly; At least two of its heat tunnel (7) quantity, each axial heat tunnel (7) top disposes corresponding feed pipe (1) and forms blanking channel, and the quantity of feed pipe (1) equals the quantity of heat tunnel (7); This feed pipe (1) top communicates with hopper (3) by feeding mechanism (2);
B, described furnace shell (13) constitute by the flanged (FLGD) cylindrical shell of upper, middle, and lower part is stacked, this bottom cylindrical shell is the divergent-cone wall of band discharging opening (17), be provided with inner bearing support (14) in the upper shell, be provided with the taper that drives by rotary drive mechanism (16) in the middle cylinder body and get rid of dish (15);
The inner bearing support (14) of C, described furnace shell (13) upper shell is provided with the base (12) of band centre bore, heater (11) is set on this base (12), and this heater (11) periphery sets gradually inner thermal insulating layer (10), external thermal insulation (9) and induction coil (8); Described bell (6) is provided with a cylindrical tube formula stove and chews (61); Its bell (6), furnace shell (13), inner bearing support (14) and stove are chewed the sandwich that (61) are interior logical cooling water.
2. vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace as claimed in claim 1, it is characterized in that described heater (11) is a cylinder, or square column body, or prismatic body, or irregular cylindrical body structure, corresponding with it heater (11) shape of the shape of its induction coil (8), external thermal insulation (9), inner thermal insulating layer (10), base (12) is complementary.
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| CN201010121231XA CN101797647B (en) | 2010-03-10 | 2010-03-10 | Vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace |
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| CN201010121231XA CN101797647B (en) | 2010-03-10 | 2010-03-10 | Vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581269A (en) * | 2012-03-02 | 2012-07-18 | 株洲弗拉德科技有限公司 | Vertical continuous sintering furnace for metal powder |
| CN105384167A (en) * | 2015-12-30 | 2016-03-09 | 株洲弗拉德科技有限公司 | Powdery graphite continuous high-heat treatment production line |
| CN105460928A (en) * | 2015-12-30 | 2016-04-06 | 株洲弗拉德科技有限公司 | Granular graphite continuous high-temperature heat treatment production line |
| CN107127350A (en) * | 2017-05-19 | 2017-09-05 | 湖南久泰冶金科技有限公司 | A kind of metal centrifugal atomizing powder high-speed centrifugal atomization device |
| CN114959203A (en) * | 2022-05-20 | 2022-08-30 | 浙江晋椿精密工业股份有限公司 | Spheroidizing furnace capable of recycling heat |
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| JPS6247415A (en) * | 1985-08-27 | 1987-03-02 | Ishikawajima Harima Heavy Ind Co Ltd | Method and apparatus for producing metallic powder |
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| CN2546113Y (en) * | 2002-07-03 | 2003-04-23 | 刘锦铭 | High-speed centrifugal pan type wing atomized magnesium powder production apparatus |
| JP2007084905A (en) * | 2005-08-26 | 2007-04-05 | Sanki Dengyo Kk | Device and method for producing metal powder |
| CN201592255U (en) * | 2010-03-10 | 2010-09-29 | 株洲弗拉德科技有限公司 | Vertical multi-channel ultra-high temperature induction heating continuous spheroidization furnace |
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2010
- 2010-03-10 CN CN201010121231XA patent/CN101797647B/en active Active
Patent Citations (5)
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| JPS6247415A (en) * | 1985-08-27 | 1987-03-02 | Ishikawajima Harima Heavy Ind Co Ltd | Method and apparatus for producing metallic powder |
| CN1130114A (en) * | 1995-09-07 | 1996-09-04 | 上海申建冶金机电技术工程公司 | Method for preparing quickly solidifing hydrogen-stored alloy powder material |
| CN2546113Y (en) * | 2002-07-03 | 2003-04-23 | 刘锦铭 | High-speed centrifugal pan type wing atomized magnesium powder production apparatus |
| JP2007084905A (en) * | 2005-08-26 | 2007-04-05 | Sanki Dengyo Kk | Device and method for producing metal powder |
| CN201592255U (en) * | 2010-03-10 | 2010-09-29 | 株洲弗拉德科技有限公司 | Vertical multi-channel ultra-high temperature induction heating continuous spheroidization furnace |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581269A (en) * | 2012-03-02 | 2012-07-18 | 株洲弗拉德科技有限公司 | Vertical continuous sintering furnace for metal powder |
| CN105384167A (en) * | 2015-12-30 | 2016-03-09 | 株洲弗拉德科技有限公司 | Powdery graphite continuous high-heat treatment production line |
| CN105460928A (en) * | 2015-12-30 | 2016-04-06 | 株洲弗拉德科技有限公司 | Granular graphite continuous high-temperature heat treatment production line |
| CN105384167B (en) * | 2015-12-30 | 2017-06-06 | 株洲弗拉德科技有限公司 | A kind of powdery graphite continuous high temperature heat-treatment production line |
| CN105460928B (en) * | 2015-12-30 | 2017-07-07 | 株洲弗拉德科技有限公司 | A kind of granular graphite continuous high temperature heat-treatment production line |
| CN107127350A (en) * | 2017-05-19 | 2017-09-05 | 湖南久泰冶金科技有限公司 | A kind of metal centrifugal atomizing powder high-speed centrifugal atomization device |
| CN107127350B (en) * | 2017-05-19 | 2023-12-12 | 湖南久泰冶金科技有限公司 | High-speed centrifugal atomizing device for metal centrifugal atomizing powder preparation |
| CN114959203A (en) * | 2022-05-20 | 2022-08-30 | 浙江晋椿精密工业股份有限公司 | Spheroidizing furnace capable of recycling heat |
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| CN101797647B (en) | 2011-06-08 |
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Denomination of invention: Vertical multi-channel ultrahigh-temperature induction-heating continuous spheroidizing furnace Effective date of registration: 20160316 Granted publication date: 20110608 Pledgee: Zhuzhou SDIC innovation venture investment Co., Ltd. Pledgor: Fullad Technology (Zhuzhou) Co., Ltd. Registration number: 2016980000024 |
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Date of cancellation: 20180528 Granted publication date: 20110608 Pledgee: Zhuzhou SDIC innovation venture investment Co., Ltd. Pledgor: Fullad Technology (Zhuzhou) Co., Ltd. Registration number: 2016980000024 |
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