CN102425939A - Microwave heating bell kiln - Google Patents
Microwave heating bell kiln Download PDFInfo
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- CN102425939A CN102425939A CN2011104290974A CN201110429097A CN102425939A CN 102425939 A CN102425939 A CN 102425939A CN 2011104290974 A CN2011104290974 A CN 2011104290974A CN 201110429097 A CN201110429097 A CN 201110429097A CN 102425939 A CN102425939 A CN 102425939A
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Abstract
The invention discloses a microwave heating bell kiln which comprises a kiln body (1), a heat preservation system (2), a microwave energy-feedback system (3), a microwave source system (4), a cooling water system (5), an exhaust gas recycling and vacuum system (6), a temperature measuring system (7), a dehumidifying and air exhaust system (8), an atmosphere system (9), a microwave sealing system (10), a control system (11), an elevator and a support tightening mechanism (12), a machine rack platform (13), a saggar (14), a movable carrying trolley (15), a movable track (16), a kiln cover system (17), a kiln pipe system (18) and the like. Microwave sealing devices are respectively arranged in connecting positions of the parts of the whole kiln. The microwave heating bell kiln of the invention has the advantages of fast heating-up speed, high quality of processed materials, high heating matching performance and high energy efficiency.
Description
Technical field
The present invention relates to a kind of kiln, particularly relate to a kind of heating using microwave top-hat kiln that in the bell jar kiln, utilizes heating using microwave to replace traditional resistance heated, combustion gas heating, fuel Heating.
Background technology
Top-hat kiln is a kind of burning till of product in enormous quantities under protective atmosphere or the weak reducing atmosphere that be applied to, and production efficiency is high, is widely used in the sintering of industries such as pottery, metallurgy, battery material.Present mode of heating is modes such as resistance heated, combustion gas heating, fuel Heating.The structure of traditional top-hat kiln is: comprise body of heater, dehumidifier exhaust system, cooling, air discharging system, temp testing controlling system, heat-insulation system and up-down jacking mechanism that resistance heated, combustion gas heating or fuel Heating are formed; The body of heater that adopts resistance heated, combustion gas heating or fuel Heating to form; Resistance heated, combustion gas heating or fuel Heating heat material; Generally than higher, reaction speed is slow for sintering temperature, and the quality of material is low behind the sintering.Several kinds of mode of heatings of heating using microwave and front are different on the mechanism of action, in experiment, same material heated comparison, utilize the sintering temperature of heating using microwave material generally fast than traditional heating programming rate, and the quality of material is high behind the sintering.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of heating-up temperature is low, and reaction speed is fast, handles the heating using microwave top-hat kiln that material quality is high, the heating matching performance is high, energy efficiency is high.
In order to solve the problems of the technologies described above; The heating using microwave top-hat kiln that the present invention takes; Comprise body of heater, cooling water system, waste gas recovery and vacuum system, dehumidifier exhaust system, saggar system, move delivery dolly and boiler tube system; Described body of heater is provided with the microwave energy-feeding system, and described microwave energy-feeding system is connected with the microwave source system, and each parts junction of whole kiln is equipped with the microwave seal system.
Described boiler tube system adopts high-temperature refractory to process, and has certain intensity and support parcel heat-insulation system on it.
Described mobile delivery dolly and described saggar system are connect flange soon, are protected skeleton outward and form by thimble-bat, saggar, saggar lid, vacuum; Wherein vacuum connects flange soon and welds the requirement that reaches sealing gas with the outer skeleton of protecting, and fluting is placed encapsulant and will be moved delivery dolly and furnace sealing on the thimble-bat; Protect around the skeleton outward and be furnished with rubber weather strip between body of heater and carry out secondary seal, increase the reliability of sealing; Vacuum connects flange soon and when vacuum-sintering, can connect vavuum pump and vacuumize, and can advance air during air atmosphere, can be blown into cold wind on demand during material cooled in the stove.
Be equipped with control valve on described waste gas recovery and vacuum system and the dehumidifier exhaust system pipeline, what assurance vacuumized carries out the opening degree of control valve, the intensity that can regulate the air draft dehumidifier smoothly.
The sintering zone is moved the manually-operated of delivery dolly and partly is provided with the microwave leakage alarm.
Described cooling water system is coated on outside the body of heater, and cooling water gets into cooling system through water inlet manifold from the body of heater side lower part, and backwater flows out from the body of heater upper lateral part and gets into the return main.
The cooling system of described microwave energy feedthrough system is that the entrance point of magnetron is connected with the water inlet person in charge with supply-water pump through the water inlet branch road; The port of export of described magnetron is responsible for backwater with back water pump through the backwater branch road and is connected, and described backwater is responsible for and is connected with cooling tower.
The microwave sealing means of described waste gas recovery and vacuum system and described dehumidifier exhaust system is to be provided with a plurality of cut-off waveguides arranged side by side on the weep hole of the body of heater in the fan housing of described waste gas recovery and vacuum system and dehumidifier exhaust system; Described cut-off waveguide and described body of heater link together with the argon arc welding full weld; In hot blast in the body of heater or the steam fan housing outside cut-off waveguide is discharged body of heater, blower fan is extracted hot blast or steam out through airduct.
Adopt the heating using microwave top-hat kiln of technique scheme,, adopt and divide the section multiple-protection at the micro-wave screening technical elements.Be provided with the microwave restraining device at the top-hat kiln import and export; Body of heater and bell junction are designed with microwave seal spare; Hydrofuge aspirating hole, cooling in the body of heater give from the outside that logical cooling air hole all is designed with microwave sealing means, the microwave sealing means of temperature thermocouple and body of heater junction and the shielding of thermocouple temperature measurement in the stove.Aspect the microwave energy feed-in, multimode cavity microwave energy feed-in mouth is set, take leaky antenna feed-in microwave energy.In body of heater the temperature field even aspect, insulation material adopts highly purified warming plate, the inner chamber that the stove inside thermal conservation material forms is equipped with refractory material.The magnetron type of cooling is taked water-cooling pattern, and water cooling system adopts water inlet back water discharge technology earlier, makes the each point cooling water pressure balanced, and main water return tube adopts zero-pressure backwater or negative pressure backwater.Aspect control, through temperature controller and PLC, the microwave energy feed-in of control microwave source automatically on the temperature curve of setting, the automatic overtemperature alarm of magnetron water-cooled.Aspect safe handling, the sintering zone is moved the manually-operated of delivery dolly and partly is provided with the microwave leakage on-line detector.
In sum, the present invention is whole evenly heating because of it for microwave, so firing rate is fast, production efficiency is high, and superior product quality, non-environmental-pollution, more conventional saving energy in kiln are with the obvious advantage.
The present invention is that a kind of programming rate is fast, handles the heating using microwave top-hat kiln that material quality is high, the heating matching performance is high, energy efficiency is high.
Description of drawings
Fig. 1 is a structure diagram of the present invention.
Fig. 2 is a structural section sketch of the present invention.
Fig. 3 is for moving delivery dolly and saggar system schematic.
Fig. 4 is a cooling water design principle sketch map.
Fig. 5 is the moving track front view.
Fig. 6 is the moving track left view.
Fig. 7 is weep hole or vent microwave sealing means structural representation.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7; A kind of heating using microwave top-hat kiln; Comprise body of heater 1, heat-insulation system 2, cooling water system 5, waste gas recovery and vacuum system 6, temp measuring system 7, dehumidifier exhaust system 8, atmosphere system 9, control system 11, lift and jacking mechanism 12, framework platform 13, saggar system 14, move delivery dolly 15, moving track 16, bell system 17 and boiler tube system 18; Body of heater 1 is provided with microwave energy-feeding system 3; Microwave energy-feeding system 3 is connected with microwave source system 4, and each parts junction of whole kiln is equipped with microwave seal system 10.Boiler tube system 18 adopts high-temperature refractory to process, and has certain intensity support parcel heat-insulation system 2 on it.Be equipped with control valve 702 on waste gas recovery and vacuum system 6 and dehumidifier exhaust system 8 pipelines, what assurance vacuumized carries out smoothly.The sintering zone is moved 15 manually-operateds of delivery dolly and partly is provided with the microwave leakage alarm.Cooling water system 5 is coated on outside the body of heater 1, and cooling water gets into cooling system through water inlet manifold from the body of heater side lower part, and backwater flows out from the body of heater upper lateral part and gets into the return main.The insulation construction of heat-insulation system 2 is: around the inwall of body of heater 1, be provided with refractory brick, on refractory brick, be provided with insulation top board and insulation side board, insulation top board and insulation side board are enclosed with boiler tube groove and boiler tube lid.
Referring to Fig. 1, Fig. 2 and Fig. 3; Moving delivery dolly 15 and saggar system 14 is connect flange 204 soon, is protected skeleton 205 outward and form by thimble-bat 201, saggar 202, saggar lid 203, vacuum; Wherein vacuum connects flange 204 soon and protects the requirement that skeleton 205 welding reach sealing gas outward, and fluting placement encapsulant will move and deliver dolly 15 and body of heater 1 sealing on the thimble-bat 201; Outer protect around the skeleton 205 and 1 of body of heater is furnished with rubber weather strip and carries out secondary seal, increase the reliability of sealing; Vacuum connects flange 204 soon and when vacuum-sintering, can connect vavuum pump and vacuumize, and can advance air during air atmosphere, can be blown into cold wind on demand during material cooled in the stove.Move delivery dolly 15 and load saggar systems 14 and place on the moving track 16, moving track 16 can rotating through driven by motor, with move delivery dolly 15 and saggar system 14 be sent to need the position, feed, corresponding action such as sintering, discharging.Moving delivery dolly 15 loads saggar systems 14 and is held up to body of heater by hydraulic pressure or pneulift and jacking mechanism 12 at the sintering station; And through microwave seal system 10 sealing atmosphere and microwaves; Mechanical jacking mechanism is arranged in the sintering process in addition, guarantee the reliability of sealing.
The technological difficulties of heating using microwave are to overcome the interference of microwave to electrical heating elements, and electrical heating elements is carried out micro-wave screening.Referring to Fig. 7; Waste gas reclaim and the microwave seal of vacuum system 6 and dehumidifier exhaust system 8 be waste gas reclaim and the fan housing 701 of vacuum system 6 and dehumidifier exhaust system 8 in the weep hole of body of heater on be provided with a plurality of cut-off waveguides arranged side by side 704; Cut-off waveguide 704 links together with body of heater 1 usefulness argon arc welding full weld; Hot blast in the body of heater 1 or steam are in the fan housing 701 that cut-off waveguide 704 is discharged outside the body of heater, and blower fan is extracted hot blast or steam out through airduct 703.Airduct 703 is provided with control valve 702, the opening degree of control valve 702, the intensity that can regulate the air draft dehumidifier.Weep hole is designed to adjustable, and wet-emitting blower adopts frequency control.The adjusting of dehumidification system influences the heating curve of material.
Water cooling system 5 can carry out the adjusting of water yield size when cooling, and is provided with the cooling, air discharging system, adopts high pressure positive blower air blast in body of heater, the high-temperature blower exhausting, and blower fan adopts frequency converter timing.Each parameter of regulating cooling system can realize that material presses the technological requirement cooling.
The temperature thermocouple of temp measuring system 7 adopts armoured thermocouple.Thermocouple is connected the employing flange and connects with body of heater.
The hole of opening because of mounting process is required on the body of heater 1 must cover blind plate after installation, between body of heater and blind plate, press one deck sealing ring.
Like Fig. 3; The cooling system of microwave energy feedthrough system 3 is that the entrance point of magnetron 301 is connected with the supply-water pump 307 and the water inlet person in charge 308 through water inlet branch road 306; The port of export of magnetron 301 is connected with the backwater person in charge 304 through backwater branch road 302 and back water pump 303, and the backwater person in charge 304 is connected with cooling tower 305.Be each water entry pressure of balance, it is opposite with 302 arrangements of backwater branch road to adopt water inlet branch road 306 to arrange, water inlet back draining earlier, and the intake pressure of elder generation's water inlet is high, and the discharge pressure of back draining is also high, Inlet and outlet water pressure differential basically identical.Magnetron 301 coolings need to guarantee discharge.For increasing the flow velocity of water, reduce backwater and be responsible for 304 pressure, back water pump 303 is installed on water return pipeline, back water pump 303 is extracted into water on the cooling tower 305 on the one hand water is cooled off, and has reduced backwater on the other hand and has been responsible for the pressure in 305.
The power supply of the microwave control system of microwave source system 4 separates power supply with the power supply of the microwave power supply of microwave source with isolating transformer.Control line and motor cable are walked the cable crane span structure respectively.
The sintering zone is moved 15 manually-operateds of delivery dolly and partly is provided with the microwave leakage on-line detector, and microwave is revealed when exceeding standard, and warning device is reported to the police, and reminds operating personnel to remove fault, the protection personal safety.
Claims (8)
1. heating using microwave top-hat kiln; Comprise body of heater (1), cooling water system (5), waste gas recovery and vacuum system (6), dehumidifier exhaust system (8), saggar system (14), move delivery dolly (15) and boiler tube system (18); It is characterized in that: described body of heater (1) is provided with microwave energy-feeding system (3); Described microwave energy-feeding system (3) is connected with microwave source system (4), and each parts junction of whole kiln is equipped with microwave seal system (10).
2. heating using microwave top-hat kiln according to claim 1 is characterized in that: described boiler tube system (18) adopts high-temperature refractory to process, and has certain intensity support parcel heat-insulation system (2) on it.
3. heating using microwave top-hat kiln according to claim 1 and 2; It is characterized in that: described mobile delivery dolly (15) and described saggar system (14) are connect flange (204) soon, are protected skeleton (205) outward and form by thimble-bat (201), saggar (202), saggar lid (203), vacuum; Described vacuum connects flange (204) soon and protects the requirement that skeleton (205) welding reaches sealing gas outward, and thimble-bat (201) is gone up fluting placement encapsulant will move delivery dolly (15) and body of heater (1) sealing; The described outer skeleton (205) of protecting is furnished with rubber weather strip all around and between described body of heater (1).
4. heating using microwave top-hat kiln according to claim 1 and 2 is characterized in that: be equipped with control valve (702) on described waste gas recovery and vacuum system (6) and dehumidifier exhaust system (8) pipeline.
5. heating using microwave top-hat kiln according to claim 1 and 2 is characterized in that: the sintering zone is moved the manually-operated of delivery dolly (15) and partly is provided with the microwave leakage alarm.
6. heating using microwave top-hat kiln according to claim 1 and 2; It is characterized in that: described cooling water system (5) is coated on outside the body of heater (1); Cooling water gets into cooling system through water inlet manifold from the body of heater side lower part, and backwater flows out from the body of heater upper lateral part and gets into the return main.
7. heating using microwave top-hat kiln according to claim 1 and 2; It is characterized in that: the cooling system of described microwave energy feedthrough system (3) is that the entrance point of magnetron (301) is connected with the supply-water pump (307) and the water inlet person in charge (308) through water inlet branch road (306); The port of export of described magnetron (301) is responsible for (304) through backwater branch road (302) with back water pump (303) and backwater and is connected, and described backwater is responsible for (304) and is connected with cooling tower (305).
8. heating using microwave top-hat kiln according to claim 1 and 2; It is characterized in that: described waste gas reclaim and the microwave seal of vacuum system (6) and described dehumidifier exhaust system (8) be described waste gas reclaim and the fan housing (701) of vacuum system (6) and dehumidifier exhaust system (8) in the weep hole of body of heater on be provided with a plurality of cut-off waveguides arranged side by side (704), described cut-off waveguide (704) and described body of heater (1) link together with the argon welding full weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104290974A CN102425939A (en) | 2011-12-20 | 2011-12-20 | Microwave heating bell kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104290974A CN102425939A (en) | 2011-12-20 | 2011-12-20 | Microwave heating bell kiln |
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| CN102425939A true CN102425939A (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104290974A Pending CN102425939A (en) | 2011-12-20 | 2011-12-20 | Microwave heating bell kiln |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901357A (en) * | 2012-11-12 | 2013-01-30 | 湖南山联新材科技有限公司 | Multifunctional microwave high-temperature experimental equipment |
| CN102967140A (en) * | 2012-12-21 | 2013-03-13 | 湖南阳东微波科技有限公司 | Integral microwave vacuum sintering furnace |
| CN103152890A (en) * | 2013-02-01 | 2013-06-12 | 湖南省中晟热能科技有限公司 | Coal and ore microwave thawing device |
| CN103542715A (en) * | 2013-09-27 | 2014-01-29 | 合肥高歌热处理应用技术有限公司 | Composite sintering furnace for target material |
| CN104279860A (en) * | 2014-09-16 | 2015-01-14 | 湖南华冶微波科技有限公司 | Microwave vacuum air pressure sintering furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2709905Y (en) * | 2003-11-17 | 2005-07-13 | 株洲科泰感应加热设备有限公司 | Bell multi-firepot induction heating furnace |
| KR100834338B1 (en) * | 2006-02-27 | 2008-06-04 | 정동석 | Metal heat treatment cooling right time waste heat frequency and re-application system. |
| CN201417077Y (en) * | 2009-05-25 | 2010-03-03 | 李凌峰 | Vertical continuous sintering furnace for microwave ferrite material |
| CN102278879A (en) * | 2011-08-05 | 2011-12-14 | 湖南省中晟热能科技有限公司 | Micro-wave roller kiln |
| CN202371989U (en) * | 2011-12-20 | 2012-08-08 | 湖南省中晟热能科技有限公司 | Microwave heating bell kiln |
-
2011
- 2011-12-20 CN CN2011104290974A patent/CN102425939A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2709905Y (en) * | 2003-11-17 | 2005-07-13 | 株洲科泰感应加热设备有限公司 | Bell multi-firepot induction heating furnace |
| KR100834338B1 (en) * | 2006-02-27 | 2008-06-04 | 정동석 | Metal heat treatment cooling right time waste heat frequency and re-application system. |
| CN201417077Y (en) * | 2009-05-25 | 2010-03-03 | 李凌峰 | Vertical continuous sintering furnace for microwave ferrite material |
| CN102278879A (en) * | 2011-08-05 | 2011-12-14 | 湖南省中晟热能科技有限公司 | Micro-wave roller kiln |
| CN202371989U (en) * | 2011-12-20 | 2012-08-08 | 湖南省中晟热能科技有限公司 | Microwave heating bell kiln |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901357A (en) * | 2012-11-12 | 2013-01-30 | 湖南山联新材科技有限公司 | Multifunctional microwave high-temperature experimental equipment |
| CN102967140A (en) * | 2012-12-21 | 2013-03-13 | 湖南阳东微波科技有限公司 | Integral microwave vacuum sintering furnace |
| CN102967140B (en) * | 2012-12-21 | 2015-04-15 | 湖南阳东微波科技有限公司 | Integral microwave vacuum sintering furnace |
| CN103152890A (en) * | 2013-02-01 | 2013-06-12 | 湖南省中晟热能科技有限公司 | Coal and ore microwave thawing device |
| CN103152890B (en) * | 2013-02-01 | 2014-11-05 | 湖南省中晟热能科技有限公司 | Coal and ore microwave thawing device |
| CN103542715A (en) * | 2013-09-27 | 2014-01-29 | 合肥高歌热处理应用技术有限公司 | Composite sintering furnace for target material |
| CN104279860A (en) * | 2014-09-16 | 2015-01-14 | 湖南华冶微波科技有限公司 | Microwave vacuum air pressure sintering furnace |
| CN104279860B (en) * | 2014-09-16 | 2016-01-20 | 湖南华冶微波科技有限公司 | Microwave vacuum gas pressure sintering stove |
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Application publication date: 20120425 |