CN102425935A - Microwave and electricity combined heating high-temperature vertical kiln - Google Patents

Microwave and electricity combined heating high-temperature vertical kiln Download PDF

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Publication number
CN102425935A
CN102425935A CN2011104302276A CN201110430227A CN102425935A CN 102425935 A CN102425935 A CN 102425935A CN 2011104302276 A CN2011104302276 A CN 2011104302276A CN 201110430227 A CN201110430227 A CN 201110430227A CN 102425935 A CN102425935 A CN 102425935A
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China
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microwave
heating
heater
zone body
heat preservation
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CN2011104302276A
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CN102425935B (en
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徐助要
李树新
邓贱牛
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HUNAN THERSUN THERMAL ENERGY TECHNOLOGY Co Ltd
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HUNAN THERSUN THERMAL ENERGY TECHNOLOGY Co Ltd
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Priority to CN 201110430227 priority Critical patent/CN102425935B/en
Publication of CN102425935A publication Critical patent/CN102425935A/en
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Abstract

The invention discloses a microwave and electricity combined heating high-temperature vertical kiln which is characterized in that a feeding device (2), an exhaust emission device (1), an electrical heating preheating area furnace body (4), an electrical heating preheating area microwave suppressor (5), a microwave heating warming-up area furnace body (6), a microwave heating thermal insulation area furnace body (9), a slow cooling area furnace body (10), a quenching area furnace body (11), a quenching area microwave suppressor (12), a kiln protective atmosphere system (13) and a discharging device (14) are arranged on a vertical passageway (21) arranged on a machine frame (3), wherein a temperature measuring system (8) is arranged on the microwave heating warming-up area furnace body (6), the microwave heating thermal insulation area furnace body (9), the slow cooling area furnace body (10) and the quenching furnace body (11); the kiln protective atmosphere system (13) is connected with the microwave heating warming-up area furnace body (6), the microwave heating thermal insulation area furnace body (9), the slow cooling area furnace body (10), the quenching furnace body (11) and the discharging device (14); and microwave suppressing devices are respectively arranged at abutting joint positions of the parts. The microwave and electricity combined heating high-temperature vertical kiln has the advantages of uniform integral heating, fast heating speed and high production efficiency.

Description

A kind of microwave, electric Hybrid Heating high temperature shaft kiln
Technical field
The present invention relates to a kind of kiln, particularly relate to a kind of microwave, electric Hybrid Heating high temperature shaft kiln.
Background technology
Microwave energy is described as " human second flame ", and developed country is defined as " 21st century a new generation's technology ", " the advanced technology of preparing of new material ", " Future Outer Space heating technique " to the microwave energy application technology in the world.Different based on heating using microwave mechanism with conventional kiln; It is by polarized particle motion and receives to compel material in-fighting that concussion causes and phonon directly is coupled and gives birth to heat, and material body is directly as heater, and heating using microwave kiln firing rate is fast, production efficiency is high; Product is heated evenly; Superior product quality, capacity usage ratio is high, and more conventional electrical kiln, combustion gas kiln power savings advantages are obvious; But the part special ceramic materials absorbs the microwave ability under low-temperature condition relatively poor; It is longer directly to heat on the contrary the more conventional electrical heating of time that needs with microwave under the low-temperature condition; Simultaneously because the part ceramic contains a large amount of organic or inorganic glue; Utilize microwave directly to heat and cause binder removal too fast, the goods easy of crack.
Summary of the invention
Technical problem to be solved by this invention provides the microwave that a kind of integral body evenly heats, firing rate is fast, production efficiency is high, electric Hybrid Heating high temperature shaft kiln.
In order to solve the problems of the technologies described above; Microwave provided by the invention, electric Hybrid Heating high temperature shaft kiln; Frame is provided with vertical passage; Described vertical passage is provided with heating using microwave heating zone body of heater; Dock with the lower end of electrical heating preheating zone body of heater on being located at described vertical passage the upper end of described heating using microwave heating zone body of heater; Described electrical heating preheating zone body of heater is provided with electrical heating preheating zone microwave TVS; Dock with the upper end of heating using microwave heat preservation zone body of heater on being located at described vertical passage the lower end of described heating using microwave heating zone body of heater, and dock with feed arrangement and an end of toxic emission device on being located at described vertical passage the upper end of described electrical heating preheating zone body of heater, and dock with the upper end of slow cooling district body of heater on being located at described vertical passage the lower end of described heating using microwave heat preservation zone body of heater; Dock with the upper end of quench zone body of heater on being located at described vertical passage the lower end of described slow cooling district body of heater; The quench zone body of heater is provided with quench zone microwave TVS, and the lower end of described quench zone body of heater connects with drawing mechanism, and described heating using microwave heating zone body of heater and heating using microwave heat preservation zone body of heater, slow cooling district body of heater, quench zone body of heater are provided with temp measuring system; Kiln protective atmosphere system is connected with drawing mechanism with described heating using microwave heating zone body of heater, heating using microwave heat preservation zone body of heater, slow cooling district body of heater, quench zone body of heater, and each parts joint is provided with the inhibition microwave device.
Described inhibition microwave device is that each the adpting flange face in described feed arrangement, toxic emission device, electrical heating preheating zone body of heater, heating using microwave heating zone body of heater, electrical heating preheating zone microwave TVS, heating using microwave heat preservation zone body of heater, temp measuring system, slow cooling district body of heater, quench zone body of heater, drawing mechanism and kiln protective atmosphere system is equipped with the conductive seal pad.
The material of described feed arrangement, toxic emission device, electrical heating preheating zone body of heater, electrical heating preheating zone microwave TVS, heating using microwave heating zone body of heater, heating using microwave heat preservation zone body of heater, temp measuring system, slow cooling district body of heater, quench zone body of heater, quench zone microwave TVS and drawing mechanism is a stainless steel material; Frame is a carbon steel shaped steel.
Described electrical heating preheating zone body of heater comprises ceramic fire resistant brick, resistance wire, high temperature resistant stainless steel boiler tube, stainless steel carrying roller, warming plate; Described resistance wire is set in the outer side bayonet slot of described ceramic fire resistant brick, and described ceramic fire resistant brick is close to the outside of described high temperature resistant stainless steel boiler tube.
The microwave source system of described heating using microwave heating zone body of heater and described heating using microwave heat preservation zone body of heater be installed in described heating using microwave heating zone body of heater and heating using microwave heat preservation zone body of heater around, the microwave feed-in mode of described microwave source system adopts the straight wave guide form.
The microwave source system of described heating using microwave heating zone body of heater and described heating using microwave heat preservation zone body of heater is made up of microwave head, annular device, water load and microwave power supply.
Add high temperature resistant microwave between described heating using microwave heat preservation zone body of heater and the described slow cooling district body of heater and suppress plate.
Described temp measuring system on described heating using microwave heating zone body of heater and the heating using microwave heat preservation zone body of heater is located at the back of its microwave source system that controls on the material moving direction.
The control section of the control system of the microwave source system of described heating using microwave heating zone body of heater and described heating using microwave heat preservation zone body of heater adopts insulating power supply.
The microwave power supply leakage transformer of the control system of the microwave source system of described heating using microwave heating zone body of heater and described heating using microwave heat preservation zone body of heater adopts triangular form to connect method.
Adopt microwave, the electric Hybrid Heating high temperature shaft kiln of technique scheme; Material is in feed arrangement is fed to the vertical passage in the body of heater of electrical heating preheating zone; Material enters into the vertical passage of heating using microwave heating zone body of heater under the gravity effect; Do not need propulsion system and kiln furnitures such as push pedal, saggar, reduced the loss of energy, so energy-conservation.Based on the convection current principle in the hot transfer principle; Warmed-up gas produces a lift that makes progress in described vertical passage; Hot gas material to described preheating zone in uphill process carries out preheating, and simultaneously, hot gas cools off cold air again in uphill process from the material of discharging opening suction to described quench zone; Thereby reach recycle heat energy fully, reach purpose of energy saving.By the microwave source system material is carried out heat temperature raising at heating using microwave heating zone body of heater; Material enters heating using microwave heat preservation zone body of heater under the gravity effect then; At heating using microwave heat preservation zone body of heater by microwave source system heat tracing; Material enters slow cooling district body of heater and cools off with stove under the gravity effect then; Under the gravity effect, enter the quench zone body of heater again and carry out chilling, the quench zone body of heater generally is to adopt water-cooled or air-cooled the pressure to cool off, and material enters under the gravity effect in the drawing mechanism through worm screw rotation discharging then.Whole process is except that drawing mechanism working power discharging; Other all charging under the gravity effect of each stage material; The material layering queuing advances successively in vertical passage; Electrical heating preheating and hot gas preheating, heating using microwave intensification, heating using microwave insulation, slow cooling and chilling successively are up to the drawing mechanism discharging.The microwave source system that temp measuring system lags behind and to be controlled in material moving direction position has guaranteed the accuracy of thermometric; The control section of control system adopts insulating power supply, prevent since the impulse wave that leakage transformer produces to the injury of control section; Control system microwave power supply leakage transformer adopts triangular form to connect method, can improve the stability of equipment and avoid the impact of neutral line current to electrical network simultaneously.Each adpting flange face is equipped with the conductive seal pad, can effectively prevent microwave leakage.The present invention adopts the electrical heating preheating, and heating using microwave heats up and insulation, and firing rate is fast, production efficiency is high, more conventional shaft kiln power savings advantages is obvious.
In sum, the present invention utilizes the heat energy circulation because of it is the whole evenly heating of microwave in addition; Make full use of the advantage of electrical heating, heating using microwave; So firing rate is fast, production efficiency is high, superior product quality, non-environmental-pollution, more conventional saving energy in kiln are with the obvious advantage.Therefore microwave, the vertical alternative traditional shaft kiln of the electric Hybrid Heating high temperature certainty that is era development.
Description of drawings
Fig. 1 is microwave, electric Hybrid Heating high temperature shaft kiln structural representation.
Fig. 2 is a heating zone body of heater schematic cross-section.
The specific embodiment
Below in conjunction with accompanying drawing to further explain of the present invention.
Referring to Fig. 1 and Fig. 2; Frame 3 is provided with vertical passage 21; Vertical passage 21 is provided with heating using microwave heating zone body of heater 6; Dock with the lower end of electrical heating preheating zone body of heater 4 on being located at vertical passage 21 upper end of heating using microwave heating zone body of heater 6; Electrical heating preheating zone body of heater 4 is provided with electrical heating preheating zone microwave TVS 5; Dock the upper end of the heating using microwave heat preservation zone body of heater 9 on the lower end of heating using microwave heating zone body of heater 6 and the vertical passage 21; Dock the feed arrangement 2 on the upper end of electrical heating preheating zone body of heater 4 and the vertical passage 21 and the lower end of toxic emission device 1; The upper end of feed arrangement 2 is to being connected to material-transporting system; Useless blower fan is taken out in the upper end butt joint of toxic emission device 1; Dock the upper end of the slow cooling district body of heater 10 on the lower end of heating using microwave heat preservation zone body of heater 9 and the vertical passage 21, and dock the upper end of the quench zone body of heater 11 on the lower end of slow cooling district body of heater 10 and the vertical passage 21, and quench zone body of heater 11 is provided with quench zone microwave TVS 12; Drawing mechanism 14 inlets on the lower end of quench zone body of heater 11 and the vertical passage 21 dock; The outlet of drawing mechanism 14 is to being connected to material-transporting system, and heating using microwave heating zone body of heater 6 is provided with temp measuring system 8 with heating using microwave heat preservation zone body of heater 9, slow cooling district body of heater 10, quench zone body of heater 11, and kiln protective atmosphere system 13 is connected with drawing mechanism 14 with heating using microwave heating zone body of heater 6, heating using microwave heat preservation zone body of heater 9, slow cooling district body of heater 10, quench zone body of heater 11, quench zone microwave TVS 12; Each parts joint is provided with the inhibition microwave device, suppresses microwave device and be at each adpting flange face of feed arrangement 2, toxic emission device 1, electrical heating preheating zone body of heater 4, electrical heating preheating zone microwave TVS 5, heating using microwave heating zone body of heater 6, heating using microwave heat preservation zone body of heater 9, temp measuring system 8, slow cooling district body of heater 10, quench zone body of heater 11, quench zone microwave TVS 12, drawing mechanism 14 and kiln protective atmosphere system 13 the conductive seal pad to be housed; The material of feed arrangement 2, toxic emission device 1, electrical heating preheating zone body of heater 4, electrical heating preheating zone microwave TVS 5, heating using microwave heating zone body of heater 6, heating using microwave heat preservation zone body of heater 9, temp measuring system 8, slow cooling district body of heater 10, quench zone body of heater 11, quench zone microwave TVS 12 and drawing mechanism 14 is a stainless steel material; The material of frame 3 is a carbon steel; Electrical heating preheating zone body of heater 4 bodies of heater comprise ceramic fire resistant brick, resistance wire, high temperature resistant stainless steel boiler tube, stainless steel carrying roller, warming plate; Resistance wire is set in the outer side bayonet slot of ceramic fire resistant brick, and the ceramic fire resistant brick is close to the outside of high temperature resistant stainless steel boiler tube.Furnace tube material is corundum-mullite or magnesia refractories, filled high-temperature ceramic fibre refractory material or foaming nano ceramics between boiler tube and the body of heater; The microwave source system 7 of heating using microwave heating zone body of heater 6 and heating using microwave heat preservation zone body of heater 9 be installed in heating using microwave heating zone body of heater 6 and heating using microwave heat preservation zone body of heater 9 around, microwave feed-in mode adopts the straight wave guide form around heating using microwave heating zone body of heater 6 and the heating using microwave heat preservation zone body of heater 9; The microwave source system 7 of heating using microwave heating zone body of heater 6 and heating using microwave heat preservation zone body of heater 9 is made up of water load 15, microwave head 16, annular device 17 and microwave power supply 20; Add high temperature resistant microwave between heating using microwave heat preservation zone body of heater 9 and the slow cooling district body of heater 10 and suppress plate; Temp measuring system 8 on heating using microwave heating zone body of heater 6 and the heating using microwave heat preservation zone body of heater 9 is located at the back of its microwave source system 7 that controls on the material direction of propulsion; The control section of the control system of the microwave source system 7 of heating using microwave heating zone body of heater 6 and heating using microwave heat preservation zone body of heater 9 adopts insulating power supply; The microwave power supply leakage transformer of the control system of the microwave source system 7 of heating using microwave heating zone body of heater 6 and heating using microwave heat preservation zone body of heater 9 adopts triangular form to connect method.
Referring to Fig. 1 and Fig. 2, it is that material relies on the deadweight layering to advance that material advances, need not any additionaling power, so energy-conservation; The microwave source system 7 of heating using microwave heating zone body of heater 6 and heating using microwave heat preservation zone body of heater 9 be installed in heating using microwave heating zone body of heater 6 and heating using microwave heat preservation zone body of heater 9 around, microwave feed-in mode adopts the straight wave guide form around heating using microwave heating zone body of heater 6 and the heating using microwave heat preservation zone body of heater 9; Heating using microwave heating zone body of heater 6 is equipped with explosion-proof valve and discharge outlet with heating using microwave heat preservation zone body of heater 9 tops; Add high temperature resistant microwave between heating using microwave heat preservation zone body of heater 9 and the slow cooling district body of heater 10 and suppress plate, electrical heating preheating zone microwave TVS 5 and the microwave TVS of quench zone microwave TVS 12 for the inhibition chip architecture, the microwave of microwave TVS suppresses spacing L=λ/4+n λ/2mm between the sheet; Wherein: n=0,1,2; 3 ... λ is the wavelength that needs the microwave of inhibition, and length is greater than 1.5 meters, and the microwave amount of leakage is less than 1mW/cm 2The microwave source system 7 that temp measuring system 8 lags behind and to be controlled in material direction of propulsion position, the included thermocouple ground connection of temp measuring system 8 is good; Heating using microwave heating zone body of heater 6, heating using microwave heat preservation zone body of heater 9, slow cooling district body of heater 10 are equipped with vertical boiler tube 19, insulation material 18.Referring to Fig. 1, distribution is orthogonal in heating using microwave heating zone body of heater 6, heating using microwave heat preservation zone body of heater 9 microwave source system 7 installation sites on every side.Heating using microwave heating zone body of heater 6, heating using microwave heat preservation zone body of heater 9 gentle cold-zone bodies of heater 10 all refractory materials adopt high alumina corundum-mullite material or magnesia refractories, and all insulation materials adopt ceramic beaverboard, ceramic fibre is continuous or the foaming nano ceramics; All high alumina corundum-mullite materials, ceramic beaverboard, ceramic fibre are continuous, the foaming nano ceramics contains iron oxide, zirconia, sodium oxide molybdena, potassium oxide total amount are no more than 0.05%.All high alumina corundum-mullite materials, ceramic beaverboard, ceramic fibre silk floss, foaming nano ceramics do not contain organic gel.
Referring to Fig. 1 and Fig. 2; Material is transported to feed arrangement 2 through material-transporting system; Be fed in body of heater 4 furnace chambers of electrical heating preheating zone by feed arrangement 2 again and carry out preheating; Microwave TVS 5 gets into heating using microwave heating zone body of heater 6 through the electrical heating preheating zone under the effect of gravity again, and material carries out heat temperature raising by 7 pairs of materials of microwave source system in heating using microwave heating zone body of heater 6, under the gravity effect, gets into heating using microwave heat preservation zone body of heater 9 then; At heating using microwave heat preservation zone body of heater 9 by microwave source system 7 heat tracings; Under the gravity effect, get into slow cooling district body of heater 10 then with the stove cooling, under the gravity effect, get into quench zone body of heater 11 again and carry out chilling, quench zone body of heater 11 generally is to adopt water-cooled or air-cooled the pressure to cool off; Under the gravity effect, get into drawing mechanisms 14 through the worm-drive discharging then through quench zone microwave TVS 12, again by induction system with mass transport to the products storage district.Whole process is utilized the additionaling power except that drawing mechanism and induction system; All the other all rely on the gravity charging; The material layering queuing advances successively in vertical passage 21, and electrical heating preheating successively, heating using microwave intensification, heating using microwave insulation, slow cooling and chilling are up to the drawing mechanism discharging.Kiln protective atmosphere system 13 pairs of heating using microwave heating zones body of heater 6, heating using microwave heat preservation zone body of heater 9, slow cooling district body of heater 10, quench zone body of heater 11, quench zone microwave TVS 12 and drawing mechanism 14 provide protective gas and week reduction gas such as nitrogen protection.
Firing rate of the present invention is fast, production efficiency is high, more conventional shaft kiln power savings advantages is obvious.
More than invention is merely preferred embodiments of the present invention; Protection scope of the present invention is not exceeded with above-mentioned embodiment; In every case the equivalence done according to disclosed content of those skilled in the art is modified or is changed, in the protection domain of all including in claims to be put down in writing.

Claims (10)

1. a microwave, electric Hybrid Heating high temperature shaft kiln; It is characterized in that: frame (3) is provided with vertical passage (21); Described vertical passage (21) is provided with heating using microwave heating zone body of heater (6); Dock with the lower end of electrical heating preheating zone body of heater (4) on being located at described vertical passage (21) upper end of described heating using microwave heating zone body of heater (6); Described electrical heating preheating zone body of heater (4) is provided with electrical heating preheating zone microwave TVS (5); Dock with the upper end of heating using microwave heat preservation zone body of heater (9) on being located at described vertical passage (21) lower end of described heating using microwave heating zone body of heater (6); Dock with feed arrangement (2) and toxic emission device (1) on being located at described vertical passage (21) upper end of described electrical heating preheating zone body of heater (4); Dock with the upper end of slow cooling district body of heater (10) on being located at described vertical passage (21) lower end of described heating using microwave heat preservation zone body of heater (9); Dock with the upper end of quench zone body of heater (11) on being located at described vertical passage (21) lower end of described slow cooling district body of heater (10); Described quench zone body of heater (11) is provided with quench zone microwave TVS (12); Dock with drawing mechanism (14) inlet on being located at described vertical passage (21) lower end of described quench zone body of heater (11); Described heating using microwave heating zone body of heater (6) and heating using microwave heat preservation zone body of heater (9), slow cooling district body of heater (10), quench zone body of heater (11) are provided with temp measuring system (8), and kiln protective atmosphere system (13) is connected with described heating using microwave heating zone body of heater (6), heating using microwave heat preservation zone body of heater (9), slow cooling district body of heater (10), quench zone body of heater (11), quench zone microwave TVS (12) and drawing mechanism (14), and each parts joint is provided with the inhibition microwave device.
2. microwave according to claim 1, electric Hybrid Heating high temperature shaft kiln is characterized in that: described inhibition microwave device is that each the adpting flange face in described feed arrangement (2), toxic emission device (1), electrical heating preheating zone body of heater (4), electrical heating preheating zone microwave TVS (5), heating using microwave heating zone body of heater (6), heating using microwave heat preservation zone body of heater (9), temp measuring system (8), slow cooling district body of heater (10), quench zone body of heater (11), drawing mechanism (14) and kiln protective atmosphere system (13) is equipped with the conductive seal pad.
3. microwave according to claim 1 and 2, electric Hybrid Heating high temperature shaft kiln is characterized in that: the material of described feed arrangement (2), toxic emission device (1), electrical heating preheating zone body of heater (4), electrical heating preheating zone microwave TVS (5), heating using microwave heating zone body of heater (6), heating using microwave heat preservation zone body of heater (9), temp measuring system (8), slow cooling district body of heater (10), quench zone body of heater (11), quench zone microwave TVS (12) and drawing mechanism (14) is a stainless steel material; The material of described frame (3) is a carbon steel.
4. microwave according to claim 1 and 2, electric Hybrid Heating high temperature shaft kiln; It is characterized in that: described heating using microwave heating zone body of heater (6), heating using microwave heat preservation zone body of heater (9), all refractory materials of slow cooling district body of heater (10) adopt high alumina corundum-mullite material or magnesia refractories, and all insulation materials adopt ceramic beaverboard, ceramic fibre is continuous or the foaming nano ceramics.
5. microwave according to claim 1 and 2, electric Hybrid Heating high temperature shaft kiln; It is characterized in that: the microwave source system (7) of described heating using microwave heating zone body of heater (6) and described heating using microwave heat preservation zone body of heater (9) be installed in described heating using microwave heating zone body of heater (6) and heating using microwave heat preservation zone body of heater (9) around, the microwave feed-in mode of described microwave source system (7) adopts the straight wave guide form.
6. microwave according to claim 1 and 2, electric Hybrid Heating high temperature shaft kiln is characterized in that: the microwave source system (7) of described heating using microwave heating zone body of heater (6) and described heating using microwave heat preservation zone body of heater (9) is made up of water load (15), microwave head (16), annular device (17) and microwave power supply (20).
7. microwave according to claim 1 and 2, electric Hybrid Heating high temperature shaft kiln is characterized in that: add high temperature resistant microwave between described heating using microwave heat preservation zone body of heater (9) and the described slow cooling district body of heater (10) and suppress plate.
8. microwave according to claim 1 and 2, electric Hybrid Heating high temperature shaft kiln is characterized in that: the described temp measuring system (8) on described heating using microwave heating zone body of heater (6) and the heating using microwave heat preservation zone body of heater (9) is located at the back of its described microwave source system (7) that controls on the material direction of advance.
9. microwave according to claim 1 and 2, electric Hybrid Heating high temperature shaft kiln is characterized in that: the control section of the control system of the microwave source system (7) of described heating using microwave heating zone body of heater (6) and described heating using microwave heat preservation zone body of heater (9) adopts insulating power supply.
10. microwave according to claim 1 and 2, electric Hybrid Heating high temperature shaft kiln is characterized in that: the microwave power supply leakage transformer of the control system of the microwave source system (7) of described heating using microwave heating zone body of heater (6) and described heating using microwave heat preservation zone body of heater (9) adopts triangular form to connect method.
CN 201110430227 2011-12-20 2011-12-20 Microwave and electricity combined heating high-temperature vertical kiln Expired - Fee Related CN102425935B (en)

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CN 201110430227 CN102425935B (en) 2011-12-20 2011-12-20 Microwave and electricity combined heating high-temperature vertical kiln

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CN 201110430227 CN102425935B (en) 2011-12-20 2011-12-20 Microwave and electricity combined heating high-temperature vertical kiln

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CN102425935B CN102425935B (en) 2013-06-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110271085A (en) * 2019-07-22 2019-09-24 株洲聚润合微波工业炉有限公司 A kind of microwave continues the short route device and method of hot rolling production foamed ceramic plate
CN114608309A (en) * 2022-03-18 2022-06-10 烟台百川汇通科技有限公司 Energy-saving sectional roasting furnace for aluminum hydroxide balls and roasting process thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000256005A (en) * 1999-01-08 2000-09-19 Mitsubishi Heavy Ind Ltd Furnace and method for firing powdered carbon
CN201129918Y (en) * 2007-12-03 2008-10-08 长春黄金研究院 Rotary type microwave high temperature continuous calcining equipment
CN102042749A (en) * 2010-12-17 2011-05-04 湖南航天工业总公司 Fully-closed industrial microwave high-temperature roller continuous sintering kiln
CN202371985U (en) * 2011-12-20 2012-08-08 湖南省中晟热能科技有限公司 Microwave and electric hybrid heating high temperature vertical kiln

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000256005A (en) * 1999-01-08 2000-09-19 Mitsubishi Heavy Ind Ltd Furnace and method for firing powdered carbon
CN201129918Y (en) * 2007-12-03 2008-10-08 长春黄金研究院 Rotary type microwave high temperature continuous calcining equipment
CN102042749A (en) * 2010-12-17 2011-05-04 湖南航天工业总公司 Fully-closed industrial microwave high-temperature roller continuous sintering kiln
CN202371985U (en) * 2011-12-20 2012-08-08 湖南省中晟热能科技有限公司 Microwave and electric hybrid heating high temperature vertical kiln

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110271085A (en) * 2019-07-22 2019-09-24 株洲聚润合微波工业炉有限公司 A kind of microwave continues the short route device and method of hot rolling production foamed ceramic plate
CN114608309A (en) * 2022-03-18 2022-06-10 烟台百川汇通科技有限公司 Energy-saving sectional roasting furnace for aluminum hydroxide balls and roasting process thereof
CN114608309B (en) * 2022-03-18 2024-04-19 烟台百川汇通科技有限公司 Energy-saving sectional roasting furnace for aluminum hydroxide balls and roasting process thereof

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